除氧器英文说明书
DESIGN & OPERATION MANAL YYW-1080 DEAERATOR
NO.(F0312610010981)
REPARED BY:
CHECKED BY:
REVIEWED BY:
HARBIN BOILER COMPANY LIMITED
THE PEOPLE’S REPUBLIC OF CHINA
2009-6
Contents
1Purpose & Model (3)
2Working Principles of Deaerator (3)
3Specification (4)
4Configuration & Functions (4)
5Accessories (6)
6Installation, Startup, Operation, Inspection & Maintenance (8)
1 Purpose & Model
The YYW-1080 deaerator is a horizontally arranged deaeration equipment for slide pressure operation, used as mixed heating equipment for the PUTTALLAM 1×300MW Powerplant, Vietnam.
It utilizes the extracted steam from the turbine and the auxiliary steam to heat the condensate up to the saturation temperature correspondent to the deaerator operating pressure and to remove the oxygen and other gases dissolved in the feedwater for avoidance or reduction of the oxide corrosion to the boiler, turbine and their auxiliaries.
Type
The model of the deaerator consists of the name of deaerator in the Chinese pinyin and the major parameter (capacity per unit time: t/h).
YYW-1080 deaerator
Stands for the rated capacity 1080t/h
Stands for the abbreviation of the deaerator in Chinese pinyin.
(yang? ya? wo)
Description
The working pressure of the equipment is 0.147~1.032Mpa（a） .
Operation mode: slide (slide pressure)
Slide pressure range: 0.147~1.032Mpa（a）
2 Working Principles of Deaerator
16 spring nozzles of 50t/h capacity are evenly located on the top of the horizontal
deaerator, the nozzles are inserted into the deaerator. At the other end, the flange is connected to the water intake device.
The condensate flows through the water intake device to the spring nozzles, where the condensate pressure is higher than the deaerator steam side pressure, the pressure difference between the water side and the steam side applies on the check ring of the spring nozzle orifice and presses the nozzle spring down to open the nozzle, consequently the condensate is sprayed out and into the spray deaerator space in the form of the conic atomized water film, where the heating steam fully contacts with the conic water film and promptly heats the condensate to or close to the saturation temperature under the deaerator working pressure, most oxygen and non-condensated gases are removed in the pulverized deaerator section. The heated condensate for deaerator uniformly falls on the tray below forming a layer of water packing, which is redistributed through the tray orifices and showered down into tray stacks. The tray stacks consist of 350,000-odd stainless packing rings, which add substantially the steam-water contact area, repeatedly disintegrate and mix the
flowing water and maximize the time of flowing through the deaerator. Therefore, the feedwater is assured of extensive contact with the bottom led heating steam to be heated to saturated temperature at the working pressure for purpose of further deaerating the water to the required value (max. oxygen content≤7PPb).
The oxygen from the second stage and other non-condensable gases go up through the top vent to the atmosphere. The deaerated water up to the standard flows through the bottom outlet to the storage tank.
The heating steam through the two inlets enters the storage tank up to the lower part of the deaerator, and deaerates the condensate while flowing through the sides and the tray stacks.
3 Specification
temperature:354.2℃
3.1 Design pressure: 1.2 MPa（g） Design
3.2 Max. working pressure: 1.032MPa（a）Max. working temperature: 35
4.2℃
3.3 Rated capacity: 1080t/h
3.4 Opening pressure of safety valve: 1.17MPa(g)
3.5 Weld coefficient
YYW-1080 deaerator: 1; YYX-180 water tank: 1
3.6 Corrosion allowance
2.5mm
deaerator:
YYW-1080
tank:
1.6mm
YYW-180
water
3.7 Oxygen content at feedwater outlet: ≤7PPb
3.8 Overall dimension:
diameter
Ф2840mm, length 8074mm
YYW-1080
deaerator:
YYW-180 water tank: diameter Ф3856mm, length 19800mm
3.9 Weight
24296Kg
YYW-1080
deaerator:
68907Kg
tank:
YYW-180
water
Overall weight: 96125Kg
4 Configuration & Functions
YYW-1080 deaerating system comprises YYW-1080 deaerator and YYW-180 storage tank along with other accessories including the bimetallic thermometer, the pressure gauge, the magnetic level meter, the balance vessel, the pressure reducing valve, the power-driven check valve, throttle plates, flanges and the safety valve, etc. The location and quantity is shown in the system diagram (DWG F0032610010981), the YYW-1080 pressurized deaerator (DWG F0032540010981) and the YYW-180 pressurized deaerator water tank (DWG F0032600010981).
4.1 YYW-1080 Deaerator
The structure is shown in the attached Fig 1.
It is composed of the shell, the support saddles, the water inlet, the spray, the shower tray and the tray stacks.
The shell is made of SA516 Gr70 compound steel plates. All the internals and the external connections are welded of 1Cr18Ni9Ti stainless steel.
4.1.1 The shell, horizontally placed, is welded of two elliptical pressed ends to the
course.
Connections of various sizes are welded on the shell for incoming and outgoing steam and water tubes. Each end is provided with a DN600 access manhole for installation and maintenance.
4.1.2 Two support saddles at the bottom of the deaerator are matching bolted to two
saddles at the top of the water tank, which allows the deaerator smoothly seated on the water tank. Some solid lubricating materials can be placed between one pair of saddles, if necessary, to compensate the expansion difference between the saddles. 4.1.3 Water inlet
It is welded in a Ф377×10 mastertube and 16 stubs (PN1.6, DN80) uniformly located at the mastertube throughout the whole length. The condensate is distributed to the stubs through the mastertube, then to the nozzles.
4.1.4 Atomizing device
It consists of 16 spring nozzles with 50t/h capacity, the upper part of which is bolted on the water inlet. All the spring nozzles (installed inside the deaerator) are made of stainless steel. The pressure differential of spring nozzles is about 0.06MPa at rated flow (50t/h) and the flow is increased along with the growth of the pressure differential, as shown in the cold test. Better atomizing can be ensured under various load conditions to meet the needs of variable operation condition of the deaeration equipment.
4.1.5 Heating Steam Device
Fog-like condensate spraying from the nozzles falls into contact with the heating steam introduced from the water tank through the two inlet tubes at the bottom of the deaerator and flowing along the two sides and rising along the packing stack & stubs on the shower tray up to the atomizing space, where the condensate is heated to or close to the saturation temperature at the deaerator working pressure.
4.1.6 Shower tray
It is formed with a δ=10 stainless steel orifice and 28 Φ133×4 steam exhaust tubes by welding. There are 4720 holes (Φ10) on the orifice. Under the normal operation condition, a layer of water is formed on the orifice to overcome the resistance of the holes and the pressure differential and allow the condensate spray into the packing stack uniformly. A small part of the steam from the water tank goes into the atomizing layer through the packing stack and the steam exhaust tubes on the shower tray.
4.1.7 Packing stack
It consists of the upper and the lower orifices, 3.5×105 annular packings between two orifices and the side plates. The condensate dropped from the shower tray
continuously refreshes and dissects the water surface in the annular packing and makes full contact with the heating steam introduced from the lower part to deaerate thoroughly to ensure the oxygen content being in conformity with the technical specification.
The oxygen analyzed from the condensate, other non-condensable gases and the steam failing to condensate is extracted through two steam exhaust tubes ofΦ89×
4.5 installed on the top of the deaerator. The deaerated water is collected to the
water tank through the water tube sizedΦ426×11 located at the bottom of the deaerator.
4.2 YYX-180 deaerator water tank
It consists of the shell, the support saddles and the recirculating connections.
4.2.1 Shell
The horizontally arranged shell is formed by welding 2 pressed elliptical heads to the cylindrical shell. Variously sized connections are installed on the shell, including the heating steam inlet connection, the safety valve connection, the recirculating connection, the balance vessel connection, the level meter connection, the thermocouple connection, etc. Three water outlets (Φ325×8) are arranged at the inside lower part of the water tank. Each head is provided with a DN600 manhole.
saddle
4.2.2 Support
There are two upper saddles and three lower saddles. The former is matching fitted with the deaerator support. For the latter, one is fixed and the other is sliding to allow the equipment slide freely after thermal expansion.
connections
4.2.3 Recirculating
There are 3Φ133×10 tube plugged into the water tank.
One of the functions is to return the feedwater back to the tank through the recirculating connections when boiler cutting back, the other function is not to feed the water to the boiler when the boiler starts up and the oxygen content is beyond the desired value, in such case the deaerated water returns to the water tank through the recirculating connections.
5 Accessories
The deaerator shall be equipped with a complete safeguarding system, an auto pressure control system, an auto water level control system, an oxygen content measuring system and display devices.
Our company supplies the following accessories:
(1)Balance vessel 3 sets
(2)Magnetic level meter 2 sets
(3)WSS-581W bimetallic thermometer (universal) 2sets (1 for the water tank, one
for the deaerator)
(4)J41H-16C stop valve of PN1.6 and DN50 14 sets (used at the connections
between the balance vessel and the level meter and the liquid level switch)
(5)Orifice plate 2 sets (for the deaerator steam discharging system)
(6)A48Y-2.5C spring full-open type safety valve of PN2.5 and DN150 4 sets
(7)Y-150 pressure meter 2sets (1 for the water tank, 1 for the deaerator)
(8)Insulating structures
Other than the above mentioned, any accessory, system, device or instrument is not in the scope of supply of our company.
5.1 Safeguarding system
5.1.1 A48Y-25C spring full-open type safety valve
2 for the water tank PN2.5, DN150
2 fro the deaerator PN2.5, DN150
Safety valve opening pressure: 1.17MPa（g）
valve capacity: 34.347t/h
safety
Each
5.1.2 A pressure meter is installed on the deaerator (one point) for local monitoring of
the medium pressure. The remote-transfer pressure interface (Φ28.5) is installed on the deaerator (2 points).
5.1.3 Bimetallic thermometers are installed on the deaerator (one set) and the water tank
(2 sets) to measure the local medium temperature.
Interface dimension: M27×2 (thread)
5.1.4 2 sets of magnetic level gauge, installed on two sides of the water tank to monitor
the water level in the water tank locally.
5.1.5 4 connections for the liquid level switches are set on the water tank.
5.2 Water level control & pressure governing system
5.2.1 3 balance vessels are installed at two side of the water tank to give the signal for
the higher or lower water level in the water tank. When the water level is lower or higher than the normal level the balance vessel sends out the signal through the pressure-difference transmitter to the auto level control device for level regulation.
5.2.2 The Company supplies 3 sets of balance vessels, the other regulating accessories
and instruments are to be matched by the design institute. The matched accessories shall conform to the following requirements:
(1)Auto pressure control unit
Auto controlled to regulate the heating steam flow to maintain the pressure
inside the deaerator within the specified range when the boiler starts up or
operates at a low load.
(2)Auto level control unit
Auto controlled to govern the main condensate flow to keep the water level of
the water tank at the normal level.
(3)Pressure meters and thermometers for the condensate and the heating steam
drain piping on the high-pressure heater.
(4)Auto oxygen analyzer, sampling valve and sample cooler (for chemical
analysis) in the oxygen measuring system.
In accordance with the water level of the water tank given by the manufacturer, the protection devices shall be provided including the higher/lower level alarm unit,
high-high level emergency drain, the device to shut down the extracted steam check valve at high-high-high level, the device to shut down the feedwater pump at dangerous lower level, etc.
Meanwhile, the following should be done to ensure the safety of the deaeration equipments:
(1)The extracted steam and the auxiliary steam into the deaerator are capable of
switching over.
(2)The standby steam (auxiliary steam) for the deaerator should be available for
prompt application to prevent the evaporation in the feedwater pump at boiler
sudden cutting back and to make the pressure in the deaerator vary smoothly.
(3)The deaerator steam inlet valve can be closed through interlock by the pressure
switch when the pressure inside the deaerator exceeds the opening pressure of
the safety valve.
(4)In case of any steam leaked from the door bars and the high pressure shaft
gland into the deaerator, the system shall also be equipped with an interlock
switch that will shut down the leakage from the door bars and the high pressure
shaft gland when the deaerator feedwater is stopped. The reason is that when
the feedwater stops the temperature of the leaked steam, if not reduced, will
surpass the design wall temperature, which will jeopardize the equipment
safety.
6 Installation, Startup, Operation, Inspection & Maintenance
The installation, operation and maintenance shall comply with the relevant standards. Before the installation of pipes and tubes, the dust and other foreign matters shall be removed and the inspection on the internal cleaning shall be conducted.
6.1 Deaerator installation
(1)The deaerator, the water tank and accessories thereof shall be installed in
accordance with the arrangement drawings provided by HBC and Northeast
Electric Design Institute and this manual.
(2)Since the deaerator is arranged on the water tank horizontally, the water tank
should be located first according to the drawings, manuals and concerned
technical requirements, then the deaerator should be located on the water tank.
(3)When the equipment is installed, try to keep the deaerator and the water tank
horizontal as far as possible. It is allowed to put few thin metal pieces under the
support to correct the position.
(4)The 4 nozzles connecting the deaerator and the water tank shall be assembled
with but welding according to the detail drawing I and II in the YYW-1080
pressurized deaerating equipment system drawing (DWG No.
F0032540010981). The mismatch for the circumferential welds (Class B welds)
shall be no more than 3mm. After welding of the connecting tubes, the support
nut between the deaerator and the water tank shall be loosened back for one to
two rounds.
(5)Open the manholes in the deaerator and the manhole doors in the side plate, put
the annul type packing into the packing stack of the deaerator evenly, the height
of packing shall be identical as possible after the installation.
(6)Check the spring spray nozzles, shower tray and other parts in the deaerator, if
found out of order or looseness, they shall be reset according to the requirements in the drawings.
(7)After installation, the hydrostatic test shall be performed for the equiment with
the pressure of 1.68MPa(g).
(8)The opening pressure of the safety valve shall be adjusted to 1.17MPa(g).
(9)All the accessories shall be commissioned after installation. The control valve
shall operate flexibly and reliably at various openings. Send the alarm and
protection signal at various water levels (such as emergency level, high level,
low level, emergency low level) with the simulated electric signals to check
whether the relevant accessories are interlocked, whether the emergency drain
is opened at the high-high level, whether the alarm is sent at the low level and
whether the feedwater pump is stopped at the emergency low level.
(10)A djust the automatic pressure regulator and automatic water level regulator to
make them operate properly and agilely.
6.2 Startup & operation of the deaerating equipment
Before startup, rinse the deaerating system to remove the Fe (by either hot or cold rinse). The accepted index of the Fe content is less than or equal to 50ug/l (50PPb), the suspended load is less than or equal to 10ug/l (10PPb) after rinsing.
(1)Open the steam exhaust valve to the maximum opening, close the steam inlet
valve to fill water tank with the demineralized water to the normal level.
(2)The deaerator may be started up by circulation heating of the circulating pump
or the pump in front of the feedwater pump. When the startup circulating pump
is used to taken out the undeaerated water that is then jet into the deaerator for
circulated deaeration by heating, the deaerator may be put into operation if the
oxygen content in the outlet water of the water tank is measured to comply
with the operating requirement (generally less than 30ug/l) 2 hours after the
pressure is stably at 0.02MPa(g).
(3)Open the feedwater inlet valve, then put the water outlet valve and the
feedwater pump into operation to supply the water to the boiler. As the pressure
control and the water level control are not in the auto mode, the water temperature shall be gradually increased or decreased and any significant
change in the water temperature is not allowed. The water temperature rise in
the deaerator shall be maintained at 30~40℃/h. When the water flow is
suddenly increased or the water temperature is suddenly decreased while the
heating steam fails to catch up with such change, the pressure in the water tank
will be suddenly decreased, resulting in water vaporization to block the water
channel between the deaerator and the water tank, which leads to vibration
caused by the steam/water impact. In addition, the significant change in the
water level will endanger the reliable operation of the deaerator.
(4)When the operation pressure of the deaerator gets to 0.147MPa(a), the auto
pressure control device and the auto level control device can be put into operation to maintain the pressure at 0.147MPa(a) and the normal water level.
Then adjust the steam exhaust valve opening so that the oxygen content in the
outlet water complies with the technical standard.
(5)When the steam pressure extracted from the unit into the deaerator reaches
0.147MPa(a), the extracted steam door shall be automatically opened to allow
the extracted steam into the deaerator, meanwhile, the startup standby steam is
closed. Then the deaerator starts the sliding pressure operation.
(6)When the unit is in the normal operation, close the 2 power-driven check
valves on the steam exhaust piping at the top of the deaerator. The steam is
exhausted through the orifice plates.
(7)The load change of the steam turbine shall be within 3%/min~5%/min as
specified by the Ministry of Hydropower to make the pressure in the deaeration
equipment change evenly, otherwise the rapid pressure increase will result in
unacceptable oxygen content in the outlet water while the sudden pressure decrease will lead to deaerator vibration.
(8)In case of the turbine load throw off, the extracted steam door shall be
automatically closed when the steam into the deaeration equipment has a pressure less than 0.147MPa(a), the standby steam shall be emergently opened
and the auto pressure regulator shall be put into operation to maintain the fixed
pressure operation of the deaeration equipment under 0.147MPa(a). When the
feedwater pump stops, close the standby steam, and the water inlet valves and
outlet valves, then the deaerator is stopped.
(9)When the oxygen content in the outlet water is not acceptable during the
normal operation of the deaeration equipment, the opening of the steam exhaust valve may be enlarged to an appropriate extent.
(10)C onstantly monitor the water tank level. The water level shall be maintained at
the normal value, the auto level regulator shall act in case of a lower or higher
level. Prompt measures shall be taken in case of any failure.
(11)U nder normal operation, all the valves, water level gauges, pressure meters and
the thermometer should be complete, reliable and sensitive, and the regular
inspection shall be conducted.
(12)T he operating pressure, temperature, water level, oxygen content of the outlet
water and the output of the deaeration equipment shall be regularly measured
and recorded as per the regulations of the power plant.
6.3 Inspection of the deaerator equipment
The inspection mainly includes:
(1)Inspect the corrosion of the main pressure parts, the thickness of the suspected
area, particularly the shell and the heads deaerator and (water tank), shall be
regularly measured to calculate the corrosion rate per year and to estimate the
service life. The strength calculation shall be redone to ensure the safety
operation in case the corrosion exceeds 1.6mm (water tank) and 2.5mm
(deaertor) as measured.
(2)Check the shell, the head transition zone and other stress concentrated area as
well as all the welded area for cracks. The suspected defect location shall be
examined with 10× magnifier or MT. In case of any crack found in the
surface, the UT or RT shall be performed. The length for the spot inspection
shall be 20% of the total weld length. Remove the crack and repair weld with
the material with the same properties as the base metal. The equipment may be
allowed for operation only when the inspection result is acceptable.
(3)The safety accessories shall be maintained and inspected periodically in the
operation to ensure the sensitivity and reliability. The safety valve shall be
calibrated prior to operation; regular calibration shall also be conducted to
ensure complying with the operating requirements.
6.4 Maintenance of the deaeration equipment
If the output or the oxygen content of the deaeration equipment can not reach the data in the nameplate, the maintenance shall be performed. During the maintenance, the water drain valve shall be opened to completely drain the water tank and the manholes on the deaerator and the water tank shall be opened for access. The main components and items to be maintained are as follow:
(1)Whether the springs of the spring nozzles are corroded or worn out, if so, they
shall be replaced.
(2)Check if the holes in the orifice of the shower tray are blocked, if so, they shall
be cleaned; check if the steam exhaust stubs are blocked or drop off, if so, they
shall be cleaned or rewelded.
(3)Check if the position of t he upper and lower orifices in the packing stack is
moved, if so, they shall be reassembled and rewelded.
(4)Wash the water level gauge on the water tank periodically to avoid
contamination.
6.5 Shutdown & protection
(1)For a shutdown within one week, slightly open the valve of the standby steam
and close all other valves for steam/water inlet and outlet for hot protection.
The internal pressure shall be maintained at 0.02MPa.
(2)For a longer shutdown (more than one week), the accumulated water inside the
tank shall be drained off and the nitrogen shall be filled for protection at a
pressure of 0.02MPa or other protective measures shall be taken (preservative,
etc.) to avoid corrosion to the inside wall of the deaerator and the water tank by
the oxygen or other hazardous gases.
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一、用途 天然水中溶有多种气体,在锅炉水给水中,氧对锅炉腐蚀的危害最大.为此国家标准GB1576-85“低压锅炉水质标准”中规定2吨/时以上锅炉必须除氧.真空除氧器的出水含氧量能满足标准的要求. 真空除氧器还可以用于石油钻井回注水的除氧及水处理脱硫工艺中氢离子交换器后除二氧化碳等多种场合. Application: There are various gases dissolved in nature water; the oxygen contained in the boiler feed water may cause maximum corrosion to the boiler. So the national standard GB1576-85 "low-pressure boiler water quality standard" clearly states that all the boilers of 2 t/h or higher are required to have their feed water deaerated. The oxygen level in the treated water from the vacuum deaerator can meet the standard and requirement. The vacuum deaerators may also be used for deaeration of the return water in oil drilling industry and for CO2 removal after the hydrogen ion exchange in the desulfurization process of water treatment; 二、原理 真空除氧的原理是基于亨利定律,即在封闭容器中,气体在水中的溶解度与该气体在水面上的分压力成正比.水在沸腾时,水面上蒸汽的分压力增加,溶解于水中的气体分压力随之减小,当水面上充满了水蒸气时,水不再具有溶解气体的能力,水中所溶解的气体就析出.从水的饱和温度特性可知,在真空状态下低温水也能沸腾. 真空除氧就是利用这一特性达到除去气体(包括氧气)的目的. Working principle: The working principle of the vacuum deaeration is based on the Henry theory, that is, in a closed container, the solubility of gases in the water is in proportion to the partial pressure of the gas on the water surface; when the water is boiling, the partial pressure of the steam on the water surface will increase, while the partial pressure of the dissolved gas will decrease accordingly; when the water surface is covered full with steam, the water will no longer have the capacity to dissolve the gas and then the dissolved gas in the water will be separated out. We can see from the saturated temperature
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大 使用说明书 一、用途 以保护锅炉免受氧的腐热力喷雾式除氧器是作为驱除锅炉用水中所含的氧气的
设备， 蚀。二、设备规范 额定工作工作进水进水设备水箱有运行 净重效容积压力温度压力温度重量出力号型表压表压3吨℃t/h mkg ℃ MPaMPa 6.53.3200.20.021200/6.5YD14531046.5 10205.01500/100.224000.0210104YD16YD0.27.520326013.51600/150.02104 200.210.0104YD1800/20203580170.02 2539800.212.520201041800/25YD0.02 300.24840104YD2000/30202415.00.02 402500/40YD300.210440650020.00.02 500.2402500/50YD1040.023*******.0 700.2970040522500/70YD35.01040.02 804035.01040.2990052YD2500/800.02 1001080040.058400.21040.022600/100YD150 68 50.0 2800/150YD12000 40
0.2 104 0.02 三、工作原理给水和补给水的除氧是电站锅炉或工业锅炉防止腐蚀的主要方法。在压力容器中，溶 解于水中的气体量和水面上气体的分压力成正比，采用热力除氧的方法，亦即用蒸汽来加而溶解气体的分压力逐渐降低，水面上蒸汽的分压力就逐渐增加，提高水的温度，热给水，溶解于水的气体就不断逸出，当维持容器于一定的压力下，蒸汽加热给水达到沸腾温度，水面上全部是水蒸汽，溶解气体的分压力为零，亦即溶解于水的气体可被去掉。另一方面决定于溶解气体的除氧的效果一方面决定于是否把给水加热到沸腾温度了， 排除速度，这个速度与水和蒸汽接触表面积的大小有很大的关系。采用喷雾和填圈的方式，水通过喷咀被强烈地播撒成雾滴下落，与上升的蒸汽流相遇，雾化的结果大大增加了水和热蒸汽的接触面积，强化了汽水热交换的效果。雾状的水滴继续经无规则堆放的填圈层时，受到蒸汽的进一步加热，水迅速被加热，使溶解于其中的气体的排除速度也就更快，因此水在除氧器中停留的时间很短，而除氧效果很彻底。这样，与陈旧的淋水盘式热力除氧器相比，喷雾填圈型式的除氧器有下列优点：、由于传热效果的迅速而充分，在相同的体积时，喷雾填圈式就有较大的出力，或 1 者在具有相同的出力时，喷雾填圈式有较小的体积和重量，从而降低了钢材的消耗量。％变、除氧器的出力可以在很大范围内变动，除氧效果仍然保持稳定，当负荷从 2301 化至120％，出水含氧量始终小于0.1毫克/升，符合GB1576-2001《工业锅炉水质》标准规定。 3、由于强烈的汽水热交换，进水温度就不受限制，可高可低，甚至在较低的水温，例如室温情况下，出水的含氧量仍然符合要求。
净水器中文说明书
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氯及氯的副产物等 第三级：烧结活性炭滤芯，可去除水中氯、有机化学物、异色、异味以及污泥悬浮物颗粒等 第四级：最关键最核心部件采用反渗透RO膜。彻底除去水中细菌、病毒、重金属、有机物等杂质。 第五级：后置活性炭滤芯，改善口感。 第六级：矿化滤芯，增加水的生物活性，改善机体生理功能和双向调节水的酸碱度特性。 安装步骤 本公司极力建议由专业服务人员为您安装。如您要自行安装，请务必严格按照以下安装步骤进行操作。 1.取出零件包内零件，关闭自来水总开关，拆下水龙头。将电镀球阀接在进水三通的侧孔处，并在出口处接上水管。进水三通的直通处接上拆下的水龙头，另一直通处接回水源处。 2.从电镀球阀处接出的水管接至反渗透水质处理器的进水口1（参照图）。 3.反渗透水质处理器初滤水排水口2（参照图）处接上水管，并将之导入流理台之排水管。在
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热力除氧器说明书(1)
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蚀。 、设备规范 三、工作原理 给水和补给水的除氧是电站锅炉或工业锅炉防止腐蚀的主要方法。在压力容器中，溶解于水中的气体量和水面上气体的分压力成正比，采用热力除氧的方法，亦即用蒸汽来加热给水，提高水的温度，水面上蒸汽的分压力就逐渐增加，而溶解气体的分压力逐渐降低，溶解于水的气体就不断逸出，当维持容器于一定的压力下，蒸汽加热给水达到沸腾温度，水面上全部是水蒸汽，溶解气体的分压力为零，亦即溶解于水的气体可被去掉。 除氧的效果一方面决定于是否把给水加热到沸腾温度了，另一方面决定于溶解气体的排除速度，这个速度与水和蒸汽接触表面积的大小有很大的关系。采用喷雾和填圈的方式，水通过喷咀被强烈地播撒成雾滴下落，与上升的蒸汽流相遇，雾化的结果大大增加了水和热蒸汽的接触面积，强化了汽水热交换的效果。雾状的水滴继续经无规则堆放的填圈层时，受到蒸汽的进一步加热，水迅速被加热，使溶解于其中的气体的排除速度也就更快，因此水在除氧器中停留的时间很短，而除氧效果很彻底。这样，与陈旧的淋水盘式热力除氧器相比，喷雾填圈型式的除氧器有下列优点： 1 、由于传热效果的迅速而充分，在相同的体积时，喷雾填圈式就有较大的出力，或者在具有相同的出力时，喷雾填圈式有较小的体积和重量，从而降低了钢材的消耗量。 2 、除氧器的出力可以在很大范围内变动，除氧效果仍然保持稳定，当负荷从30%变
化至120%，出水含氧量始终小于0.1毫克/升，符合GB1576-2001《工业锅炉水质》标准规定。 3 、由于强烈的汽水热交换，进水温度就不受限制，可高可低，甚至在较低的水温，例如室温情况下，出水的含氧量仍然符合要求。 4 、从启动到正常运行的时间很短。 四、使用方法 1 、启动前先检查除氧器的附件，水位调节阀，水位警报器，蒸汽压力调节阀，水封装置（预先灌满水）及各种监督仪表是否已处于正常状态，不符合运行要求的应加以调整。 2 、启动水泵徐徐进水，记录进水温度与压力。 3 、打开水位调节阀前后阀门，将旁路阀门关闭。 4 、将顶部排气阀微开。 5 、打开水箱上部蒸汽加热管阀门，加热水箱内的温度。 6 、打开蒸气压力调节阀的阀门，供汽加热，记录进汽压力和温度 7 、当水位表中指示水位已达到正常水位（水位表1/2），水箱温度计指标为104°C左右时，启动给水泵，打开出水阀门供水，从启动至正常供水约半小时左右。 8 、除氧器在正常运行时，上部排气阀的开度约1/4 圈左右。 9 、关闭除氧器上部蒸汽加热管的供汽阀。 10、每隔一定时间化验进水、出水的含氧量，记录各种监督仪表的数值。 五、安装说明 1 、高位布置 由于大气式热力除氧器内除氧水温度较高，而锅炉给水泵进口处水压较低，为防止锅炉给水泵产生汽蚀，须将除氧器高位安装（除氧水箱最低水位与给水泵中心线间的高差不小于7 米）增加锅炉给水泵进口处的压力，消除水泵汽蚀现象。 2、系统安装图
除氧器安装运行维护说明书
旋膜除氧器安装、运行、维护说明书 - 1 -
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1、燃料 本工程为山东魏桥创业集团有限公司、山东魏桥铝电有限公司1217t/h供热机组锅炉，所用燃料如下： 1.1、煤质分析资料： 1.1.1 品种：贫煤
1.2 燃油，0#轻柴油 特性如下： 粘度（20℃） 恩氏粘度°E 1.2～1.67 运动粘度mm2/s 3.8～8.0 灰份，不大于 0.25% 硫含量，不大于 0.25%
机械杂质无 水份，不大于痕迹 C16H34 不小于 50% 闪点不低于65℃ 凝固点不高于0℃ 低位发热量 41870kJ/kg(10000kcal/kg) 2、制粉系统与煤粉管道 2.1制粉系统 本机组采用双进双出钢球磨正压冷一次风机直吹式，每台锅炉配三台MGS-4360型磨煤机，一台磨煤机对应二层一次风。煤粉细度R90=6%。，炉前原煤由储煤斗经过给煤机进入磨煤机两端的原煤入口，借助螺旋输送装置将原煤送入磨煤机筒内。 热风通过磨煤机两端中空轴内的热风管道进入磨煤机，热风携带煤粉通过磨煤机两端中空轴和热风管之间通道由输粉管道进入分离器，经分离合格的煤粉连同干燥介质形成风煤混合物（一次风）经煤粉管道输送至燃烧器进入炉膛内进行燃烧，不合格的煤粉返回磨煤机再次碾碎。磨煤机出口风量(即一次风总量)由通过磨煤机的风量和旁路风量之和。MGS-4360型双进双出磨煤机允许采用不对称运行方式，即从磨煤机一端进煤而在磨煤机一端或二端出煤粉，可以实现半台或一台磨煤机运行。 磨煤机的性能和运行请仔细阅读供货厂家说明书。 2.2煤粉管道 2.2.1煤粉管道的布置 本机组配三台磨煤机，于锅炉前呈一排布置。由每台磨煤机两端出来的风粉混合物经2×4根煤粉管道引至两层四角煤粉燃烧器的两层煤粉喷嘴。3台磨煤机共3×8根煤粉管道在磨煤机上部和给煤机层之间的空间内分6层成水平走向引至炉膛四角。为了更好适应各种工况的运行，煤粉管道对应的煤粉喷嘴层(自下至上)为A1，A2，B1，C1，C2，B2。
15吨除氧器使用说明书
15T/H热力喷雾式除氧器使用说明书 产品型号YRL--15 产品图号R324 --0 文件编号43-R324-0 编制 校核
一.简介 锅炉给水虽经软化或除盐等方法处理,使锅炉受热面不结水垢,但水中仍然含有氧和二氧化碳等其它气体,其中氧是一种主要的去极化剂,它的存在将促使锅炉设备及热力系统金属面产生腐蚀.这种腐蚀通常是局部性溃疡腐蚀,严重时使锅炉设备产生穿孔，从而影响锅炉设备及热力系统运行的安全性和使用寿命.为了确保锅炉安全经济运行，国家标准局颁发的GB1576—85《低压锅炉水质标准》中明确规定，锅炉额定蒸发量大于2T/H均要除氧。本装置为15T/H低压锅炉配套用的大气式热力喷雾式除氧器。它具有下列优点： 1、本装置不仅能除去溶解氧并能去除水中的游离的CO 2、NH 3、H2S等腐蚀性气体； 2、经除氧的水中不会增加含盐量及其它杂质； 3、它与其它除氧方法比较还具有稳定可靠。运行操作方便易控制。 二、工作原理 根据气体溶解定律（亨利定律）得知，水中溶解的氧等气体与其在液面上的分压力成正比（同时与水的温度有关），气体在水中的溶解度为： b=kp/p。 式中：b－气体的溶解度，mg/l k－气体的溶解常数，mg/l p－某气体的分压力，MPa P。－水面上各气体的总压力，Mpa。
在热力除氧中P。＝P蒸汽＋P O2＋P CO2＋… 由此可见，在一定压力下，提高水温，氧气在水中的溶解度降低；减小水面上氧气的分压力，促使水中氧气不断逸出。当水温达到对应压力下的饱和温度时，水面上的总压力等于蒸汽压力，氧气的分压力等于零，则氧气在水中的溶解度降为零。 本除氧设备装置就是根据此原理,将水加热到104℃,使溶解气体从水中逸出。给水由除氧头进水管进入经喷嘴雾化成细小水滴,受除氧头下部进入的蒸汽加热,使其达到在相应压力下的饱和温度,去除大部分溶解气体,再下落到拉西环不锈钢填料层达到除氧的目的。
除氧器说明书
说明书 DESCRIPTION 型号：GC－1080 ／ GS－150 TYPE 名称：1080十/h卧式除氧器和150M3 除氧器水轮安装使用说明书 NAME DE60310 编号： ST60310 SM NO 编制：陈明洁 校对：朱红庆 审核：李焱 上海动力设备有限公司 2004.5.11
卧式除氧器产品说明书 1 总述 卧式除氧器是目前国内外大型火电机组配套的结构先进的除氧器之一，它卧座在除氧器水箱上，比立式除氧器占空间小，它与水箱连接安全可靠，除氧器与水箱的连接为一根φ630×16的下水管和二根φ550×16的蒸汽连通管对接，故工地焊接工作量小，且接管的对接焊缝可进行热处理和X射线探伤检查，避免了立式除氧器与水箱采用马鞍形管座连接结构所致，工地装配焊接工作量多、难度大、要求高。焊缝不能进行热处理和不能用X射线探伤检查，致使立式除氧器与水箱的连接安全性较差等弊病。卧式除氧器与系统管道的连接均用焊接短管，在制造厂制造时便于用水压试验来验证除氧器的强度和密封性能，保证出厂制造质量。同时除氧器卧式布臵，可在除氧器顶部的长度方向布臵一个封闭式管式的凝结水进水室，只有这样的进水室才能布臵较多喷射凝结水的恒速喷嘴。使除氧器能适应机组在变负荷运行时要求除氧器处理的凝结水的量随机组负荷的变化而变化，从而实现了除氧器的滑压运行，保证除氧器在运行时安全可靠，在除氧系统中只有一根凝结水进水总管与除氧器进水室连接改变了立式除氧器在滑压运行时要求凝结水分路进除氧器状况。简化了系统，方便了操作为除氧器实现全自动控制创造了有利的条件。
2 用途 卧式除氧器是大型火电机组回热系统中重要辅机之一。它的主要功能是除去凝结中的氧和二氧化碳等非冷凝气体，其次是将凝结水加热至除氧器运行压力下的饱和温度，而加热汽源一般是汽机低压侧的抽汽及其它方面余汽、疏水等从而提高机组的热经济性，并将达到标准含氧量的饱和水储存于除氧器水箱中随时满足锅炉的需要，保证锅炉的安全运行。
净水器中文说明书精编WORD版
净水器中文说明书精编 W O R D版 IBM system office room 【A0816H-A0912AAAHH-GX8Q8-GNTHHJ8】
反渗透水质处理器主要功能 家用反渗透水质处理器，协调完成纯水制造的自动化过程。在安装好的情况下，打开水源，低压开关自动闭合，反渗透水质处理器开始制水。当储水桶的水满时，高压开关断开。饮用纯净水同时，储水桶内的压力会逐渐下降，反渗透水质处理器又开始制水。当水源断水时，低压开关自动断开，反渗透水质处理器处于停机状态；反之，低压开关闭合开始制水。让您随时都可以喝到甘甜可口的纯净水。 新安装的反渗透水质处理器，应防掉一至二桶的纯水冲洗新机后，方可开始饮用。 特别注意 1.本机必须由专业人员安装，在使用前详细阅读说明书，以免对您正常饮水造成不必要 的麻烦。 2.用户若数天不用（外出），应关闭本机电源及水源。 3.以包装箱内实际配置为准 4.安装完毕请检查螺帽是否紧固以免漏水，无地漏或者地漏不完善之场所严禁安装本公 司产品，否则造成财产损失，本公司概不负责。 安装及使用注意事项 为了防止危害使用者安全，损害他人财物事件的发生，请务必严守一下说明 1.安装服务人员在安装前应先检查系统电路部分是否正常，因为在运输装卸过程中有可 能引起接线松动，组件损坏。 2.如果您要自选安装，请严守安装说明。
3.请勿随意更改电路和管路。 4.请勿自行调节高、低压开关等控制组件，如因自行调节造成损失，本公司概不负责。 5.出现故障请与当地经销商联系，请勿随意更改。 机器性能及安装条件
*不可在高于220V的电压下长时间运作 **去除率=[(原水T.D.S值-纯水T.D.S值)*100%]/原水T.D.S值 ***低于0.1Mpa需加装增压泵，高于0.35Mpa需加装减压泵。 六级过滤，从粗到细，层层把关，确保水质 第一级：pp5μm纤维滤芯，去除水中大于5μm的悬浮物，如沙石、铁锈、铜锈、磷污等第二级：颗粒活性炭滤芯，吸附书中的异色异味、氯及氯的副产物等 第三级：烧结活性炭滤芯，可去除水中氯、有机化学物、异色、异味以及污泥悬浮物颗粒等 第四级：最关键最核心部件采用反渗透RO膜。彻底除去水中细菌、病毒、重金属、有机物等杂质。 第五级：后置活性炭滤芯，改善口感。 第六级：矿化滤芯，增加水的生物活性，改善机体生理功能和双向调节水的酸碱度特性。安装步骤 本公司极力建议由专业服务人员为您安装。如您要自行安装，请务必严格按照以下安装步骤进行操作。
热力除氧器说明书
热力除氧器说明书
大气热力喷雾式除氧器 使用说明书 一、用途 热力喷雾式除氧器是作为驱除锅炉用水中所含的氧气的设备，以保护锅炉免受氧的腐
蚀。 三、工作原理 给水和补给水的除氧是电站锅炉或工业锅炉防止腐蚀的主要方法。在压力容器中，溶解于水中的气体量和水面上气体的分压力成正比，采用热力除氧的方法，亦即用蒸汽来加热给水，提高水的温度，水面上蒸汽的分压力就逐渐增加，而溶解气体的分压力逐渐降低，溶解于水的气体就不断逸出，当维持容器于一定的压力下，蒸汽加热给水达到沸腾温度，水面上全部是水蒸汽，溶解气体的分压力为零，亦即溶解于水的气体可被去掉。 除氧的效果一方面决定于是否把给水加热到沸腾温度了，另一方面决定于溶解气体的排除速度，这个速度与水和蒸汽接触表面积的大小有很大的关系。采用喷雾和填 圈的方式，水通过喷咀被强烈地播撒成雾滴下落，与上升的蒸汽流相遇，雾化的结果 大大增加了水和热蒸汽的接触面积，强化了汽水热交换的效果。雾状的水滴继续经无规则堆放的填圈层时，受到蒸汽的进一步加热，水迅速被加热，使溶解于其中的气体的排除速度也就更快，因此水在除氧器中停留的时间很短，而除氧效果很彻底。这样，与陈旧的淋水盘式热力除氧器相比，喷雾填圈型式的除氧器有下列优点： 1、由于传热效果的迅速而充分，在相同的体积时，喷雾填圈式就有较大的出力，或者在具有相同的出力时，喷雾填圈式有较小的体积和重量，从而降低了钢材的消耗量。 2、除氧器的出力可以在很大范围内变动，除氧效果仍然保持稳定，当负荷从30％变 型 号 额定 出力 工作 压力 工作 温度 进水 压力 进水 温度 设备 净重 水箱有 效容积 运行 重量 t/h 表压 MPa ℃ 表压 MPa ℃ kg m 3 吨 YDQ －1200/6.5 6.5 0.02 104 0.2 20 1453 3.3 6.5 YDQ －1500/10 10 0.02 104 0.2 20 2400 5.0 10 YDQ －1600/15 16 0.02 104 0.2 20 3260 7.5 13.5 YDQ －1800/20 20 0.02 104 0.2 20 3580 10.0 17 YDQ －1800/25 25 0.02 104 0.2 20 3980 12.5 20 YDQ －2000/30 30 0.02 104 0.2 20 4840 15.0 24 YDQ －2500/40 40 0.02 104 0.2 40 6500 20.0 30 YDQ －2500/50 50 0.02 104 0.2 40 7200 25.0 36 YDQ －2500/70 70 0.02 104 0.2 40 9700 35.0 52 YDQ －2500/80 80 0.02 104 0.2 40 9900 35.0 52 YDQ －2600/100 100 0.02 104 0.2 40 10800 40.0 58 YDQ －2800/150 150 0.02 104 0.2 40 12000 50.0 68
净水器中文说明书
反渗透水质处理器主要功能 家用反渗透水质处理器，协调完成纯水制造的自动化过程。在安装好的情况下，打开水源，低压开关自动闭合，反渗透水质处理器开始制水。当储水桶的水满时，高压开关断开。饮用纯净水同时，储水桶内的压力会逐渐下降，反渗透水质处理器又开始制水。当水源断水时，低压开关自动断开，反渗透水质处理器处于停机状态；反之，低压开关闭合开始制水。让您随时都可以喝到甘甜可口的纯净水。 新安装的反渗透水质处理器，应防掉一至二桶的纯水冲洗新机后，方可开始饮用。 特别注意 1.本机必须由专业人员安装，在使用前详细阅读说明书，以免对您正常饮水造成不必要的 麻烦。 2.用户若数天不用（外出），应关闭本机电源及水源。 3.以包装箱内实际配置为准 4.安装完毕请检查螺帽是否紧固以免漏水，无地漏或者地漏不完善之场所严禁安装本公司 产品，否则造成财产损失，本公司概不负责。 安装及使用注意事项 为了防止危害使用者安全，损害他人财物事件的发生，请务必严守一下说明 1.安装服务人员在安装前应先检查系统电路部分是否正常，因为在运输装卸过程中有可能 引起接线松动，组件损坏。 2.如果您要自选安装，请严守安装说明。 3.请勿随意更改电路和管路。 4.请勿自行调节高、低压开关等控制组件，如因自行调节造成损失，本公司概不负责。 5.出现故障请与当地经销商联系，请勿随意更改。 机器性能及安装条件 序号项目参数 1工作电压AC220V~DC24* 2最大日制水量50加仑（约190公斤） 3压力储水桶容量3.0加仑（余额12公斤） 4水温要求5~45℃ 5T.D.S最大限值450ppm以下 6去除率96%以上** 7配置方法五级带泵 8冲洗方法自动 9进水压力0.1~0.35Mpa*** 10低压设定值0.05~0.08Mpa 11高压设定值0.25~0.35Mpa 12自动冲洗时间设定值18秒~8秒 *不可在高于220V的电压下长时间运作 **去除率=[(原水T.D.S值-纯水T.D.S值)*100%]/原水T.D.S值 ***低于0.1Mpa需加装增压泵，高于0.35Mpa需加装减压泵。
旋膜式除氧器 说明书 -中英文
旋膜式除氧器安装、使用说明书 Rotary film type deaerator installation, operation instruction 一、旋膜除氧器的设计特征 one, rotary membrane deaerator design features 旋膜除氧器，是一种新型热力除氧器，可用于定压、滑压、负压等方式运行，适应于各类电站锅炉、工业锅炉给水及热电厂补给水或热用户用水的除氧。 Rotary membrane deaerator, is a new type of thermal deaerator, can be used for constant pressure, sliding pressure and negative pressure means such as operation, suitable for all kinds of power station boiler, industry boiler feed water and thermal power plant supplies water or hot water users of oxygen. 旋膜除氧器的设计特征是： Rotary membrane deaerator design features are: 利用气体在水中的溶解特性，通过加热蒸汽，将进入除氧器的补给水、凝结水（包括各种疏水）加热到与除氧器内部压力相对应的饱和温度。 根据亨利定律和道尔顿定律，溶解水中的氧和二氧化碳等非冷凝气体自水中析出，由顶部排气管排入大气，使水中的含氧量达到规定的标准，合格的除氧水贮存在除氧器下部的水箱中，随时准备锅炉给水的需要。 Using gas in water dissolving characteristic, through the heating steam, will enter the deaerator supply water, condensate (including all kinds of hydrophobic) heating to the deaerator internal pressure corresponding saturation temperature. According to Henry's law and Dalton law, the dissolution is the water of oxygen and carbon
旋 膜 除 氧 器 说 明 书
旋膜除氧高效节能DCM系列除氧器 使用说明书
大气式旋膜式除氧器 一：概述 除氧器是锅炉及供热系统关键设备之一，每年因氧腐蚀而对锅炉给水管道、省煤器和其它附属设备的腐蚀造成的严重损失，已引起国家电力部越来越多的注意，电力部因此颁步了GB1576-2 001《工业锅炉水质标准》和《电站除氧器安全技术监察规程》，对除氧器含氧量提出了部颁标准，即低压除氧器给水含氧量应小于15цɡ/L，高压除氧器给水含氧量应小于7цɡ/L。 二、旋膜式除氧器用途及特点 1、旋膜式除氧器用途 旋膜式除氧器是种新型热力出氧器、除氧器按压力分为压力式除氧器各大气式除氧器，大氧式除氧器也称低压除氧器，热力出氧器作用是将锅炉给水中溶解氧及其它气体除去，防止和降低锅炉给水管道、省煤器等热力设备的腐蚀，保证安全、济经运行。 2旋膜式除氧器特点 2.1运行稳定、除氧效果好、低压除氧器除氧含量≤13PPb（部颁标准15PPb），高压除氧器除氧含量≤6PPb（部颁标准7PPb）。 2.2对机组负荷变化适应能力强，尤其是供热机组和滑压运行除氧器更具有优越性，可超出力30%运行。且溶解氧达到部颁标准。 2.3另外对汽、水分离网，旋膜管外型尺寸、起膜角度、填料层等通过实际运行，不断累计经验，取长补短使结构更完善。销出了以往除器排汽带水、填料脱落、除氧塔振动等缺陷。
三、旋膜式除氧器结构及原理： 除氧器的结构型式主要由外壳、汽水分离器、新型旋射起膜器、淋水篦子、规整液汽网、水箱组成。 1、外壳：是由筒身和冲压椭圆形封头焊制成。 2、新型旋射起膜器：由水室、汽室、 起膜管、凝结水接管、补充水管、疏 水接管和一次进汽接管组成。新型旋 射起膜器的旋射膜管内增加了水膜导 向装置，即使低负荷运行时也能强力 降膜，保持最佳的旋射膜裙。 凝结水、化学补水、经起膜管呈螺旋状按一定的角度喷出，形成水膜裙，并与一次加热蒸汽接管引进的加热蒸汽和由水箱经液汽网，水篦子上升的二次加热蒸汽接触被加热到接近除氧器工作压力下的饱和 温度（即低于饱和温度2-3℃）并进行粗除氧。一般经此起膜段可除去给水中含氧量的90-95%左右。 3、淋水篦子：是由数层交错排列的角形钢制件组成，经起膜段粗除氧的给水及由高加疏水在这里混合时行二次分配，呈均匀淋雨状落到装在其下的液汽网上。 4、规整填料液汽网：是由许多开状尺寸相同的单元组成的SW型网孔波纹填料，组成的一个圆筒体，该规整填料保持丝网波纹填料和孔板波纹填料的优点外，而且比表面积大，压降小，操作弹性大，分离效率高、能耗低，永远不脱落等特点。给水在这里与二次蒸汽充分接触，
除氧器安装说明书
旋膜除氧器安装使用说明书 中华人民共和国 青岛畅隆电力设备有限公司
目录 一、概述 二、主要技术参数 三、旋膜除氧器的工作原理与结构 四、安装 五、运行与维护 六、故障及消除方法 七、检修 八、用户须知 九、编制说明
一、概述 除氧器是电站锅炉、工业锅炉系统中必备的设备，其主要功能为降低锅炉供水中的含氧量，使之达到标准要求，以保证锅炉、汽轮机组和整个系统的金属部件在高温下不发生过度的氧化腐蚀。热力除氧器是目前最常用的锅炉除氧设备。 旋膜除氧器是热力除氧器的一种，它是在原膜式除氧器的基础上研究、创新、制造成功的，该除氧器现有四个系列、多种型号、多种功能，从10t/h到1080t/h。 各国对热力除氧器研究和追求的指标主要是淋水密度（亦称重度流速）和提升温度及溶氧的浓度差。旋膜除氧器的效率远远高于其它型号除氧器。各类除氧器的效率整理如表1 注：1.*为实测值；* *为实用值 2. 余皆由文献、图纸整理。 二、主要技术参数 旋膜除氧器主要技术参数见竣工图。 三、除氧器的工作原理与结构 3.1 旋膜除氧器的原理 旋膜除氧器的传热、传质方式与已有的液柱式、雾化式和泡沸式不同，它是将射流旋转膜和悬挂式泡沸三种传热、传质方式缩化为一体的传热、传质方式。它具有很高的效率。 射流、旋膜和悬挂式泡沸三种传热传质方式源于石化系统的喷射，降膜和泡沸传热传质方式。不同的是：将喷射冷凝扩散管取消，仅利用喷嘴的射流改为飞行冷凝，它不仅具有很大吸热功能，而且具有很大的解析能力；将自然降膜改造为强力降膜，增加液膜的更新度，并造成液膜沿管壁强力旋转卷吸大量蒸汽，增强传热、传质功能；将相向