CN208652532U - A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system - Google Patents

A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system Download PDF

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Publication number
CN208652532U
CN208652532U CN201821181975.9U CN201821181975U CN208652532U CN 208652532 U CN208652532 U CN 208652532U CN 201821181975 U CN201821181975 U CN 201821181975U CN 208652532 U CN208652532 U CN 208652532U
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steam discharge
flash vessel
outlet
entrance
steam
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CN201821181975.9U
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刘岗
王涛
张亚夫
刘世雄
陈坤
赵景涛
伍刚
张维贤
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Xian Thermal Power Research Institute Co Ltd
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Xian Thermal Power Research Institute Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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Abstract

The utility model discloses a kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing systems, including unrestrained water inlet pipe road, flash vessel, condensation water tank, steam discharge condenser, steam discharge heater, steam output pipe, blower, air preheater, high-temperature medium input channel and high-temperature medium output channel;Unrestrained water inlet pipe road is connected with the entrance of side in the middle part of flash vessel, the outlet of flash vessel bottom is connected with the entrance of condensation water tank, outlet at the top of flash vessel is connected with the heat release side entrance of steam discharge condenser, the heat release side outlet of steam discharge condenser is connected through the heat absorbing side of steam discharge heater with steam output pipe, heat absorbing side of the outlet of blower through steam discharge condenser is connected with the entrance of air preheater, the heat release side entrance of steam discharge heater is connected with high-temperature medium input channel, the heat release side outlet of steam discharge heater is connected with high-temperature medium output channel, the system can be realized the recycling of flash vessel steam discharge working medium and heat, the problem of eliminating white plume.

Description

A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system
Technical field
The utility model belongs to boiler technology field, is related to a kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system.
Background technique
Air suspended type flash vessel is the important ancillary equipment of boiler system, low pressure, middle pressure, high pressure, it is subcritical, overcritical and There is application in the boiler of the various parameters such as ultra supercritical.It is to receive boiler startup, difference in operational process each stage that it, which is acted on, Parameter it is hydrophobic, discharge water and steam, water and steam dilatation, decompression in flash vessel of high temperature, high pressure, the saturated water of generation converges Collection is in flash vessel bottom and flows into condensation water tank comprehensive utilization, and the saturated vapor of generation is then directly discharged into greatly by flash vessel gland steam exhauster In gas.
It is apparent working medium and thermal loss, in high parameter dum boiler by the steam of flash vessel steam drain direct emission It is especially significant in system.Meanwhile flash vessel steam discharge is saturated vapor, while being cooled down in steam drain and normal temperature air combination cooling, Humidity increases, and forms apparent white plume, influences the normal use of boiler surrounding devices and the normal life of surrounding resident.When When boiler is located at the surroundings such as scenic spot, residential block, culture area, will form visual pollution, the strong influence region it is whole Body environmental quality.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of air suspended type flash vessel steam discharge The problem of energy conservation and environmental protection processing system, which can be realized the recycling of flash vessel steam discharge working medium and heat, eliminate white plume.
In order to achieve the above objectives, air suspended type flash vessel steam discharge energy conservation and environmental protection processing system described in the utility model includes dredging Discharge water input channel, flash vessel, condensation water tank, steam discharge condenser, steam discharge heater, steam output pipe, blower, air preheat Device, high-temperature medium input channel and high-temperature medium output channel;
Unrestrained water inlet pipe road is connected with the entrance of side in the middle part of flash vessel, the outlet of flash vessel bottom and condensation water tank Entrance be connected, the outlet at the top of flash vessel is connected with the heat release side entrance of steam discharge condenser, the heat release of steam discharge condenser Side outlet is connected through the heat absorbing side of steam discharge heater with steam output pipe, and the outlet of blower is through the heat absorbing side of steam discharge condenser It is connected with the entrance of air preheater, the heat release side entrance of steam discharge heater is connected with high-temperature medium input channel, steam discharge The heat release side outlet of heater is connected with high-temperature medium output channel.
It further include bypass valve, wherein the heat absorption side entrance phase of the outlet of blower and one end of bypass valve and steam discharge condenser Connection, the heat absorption side outlet and the other end of bypass valve and the entrance of air preheater of steam discharge condenser are connected.
The outlet of flash vessel bottom is connected through connecting pipe with the entrance of condensation water tank.
Further include cold air inlet pipeline and cold wind outlet conduit, the outlet of blower is divided into two-way, wherein all the way with bypass valve One end be connected, another way is connected through cold air inlet pipeline with the heat absorption side entrance of steam discharge condenser, steam discharge condenser Heat absorption side outlet is connected with the other end of bypass valve by the entrance of pipeline and Guan Houyu air preheater through cold wind outlet conduit It is logical.
The first shut-off valve is provided on cold air inlet pipeline;The second shut-off valve is provided on cold wind outlet conduit.
Third shut-off valve and the 4th shut-off valve are respectively arranged on high-temperature medium input channel and high-temperature medium output channel.
Outlet at the top of flash vessel is connected by steam input pipe road with the heat release side entrance of steam discharge condenser.
The utility model has the following beneficial effects:
Air suspended type flash vessel steam discharge energy conservation and environmental protection processing system described in the utility model is when specific operation, boiler startup And the unrestrained water of high temperature and steam generated in operational process enters in flash vessel, and is depressured to form saturated vapor through flash vessel dilatation With saturated water, wherein saturated water is discharged into condensation water tank, and saturated vapor enters in steam discharge condenser, and in steam discharge condenser Middle heat release, which cools, is condensed into drop, then falls in condensation water tank, realizes the recycling of working medium, the discharge of steam discharge condenser Non-condensing steam and incoagulable gas enter in steam discharge heater, and by after heat temperature raising in steam discharge heater through steaming The problem of vapour output channel is discharged in atmosphere, plume white with elimination.The cold air of blower output enters steam discharge condenser Heat absorbing side in absorb heat, then enter back into air preheater, and enter eventually into boiler, realize flash vessel steam discharge The recycling of waste heat, operation and maintenance are relatively simple, and are able to ascend the utilization efficiency of boiler heat, reduce boiler operatiopn pair Visual pollution caused by ambient enviroment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Wherein, 1 be condensation water tank, 2 be connecting pipe, 3 be unrestrained water inlet pipe road, 4 be flash vessel, 5 be steam input Pipeline, 6 be steam discharge condenser, 7 be steam discharge heater, 8 be high-temperature medium input channel, 9 be third shut-off valve, 10 be the 4th section Only valve, 11 be high-temperature medium output channel, 12 be steam output pipe, 13 be air preheater, 14 be cold wind outlet conduit, 15 It is bypass valve for the second shut-off valve, 16,17 be cold air inlet pipeline, 18 be the first shut-off valve, 19 is blower.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
With reference to Fig. 1, air suspended type flash vessel steam discharge energy conservation and environmental protection processing system described in the utility model includes that unrestrained water is defeated Enter pipeline 3, flash vessel 4, condensation water tank 1, steam discharge condenser 6, steam discharge heater 7, steam output pipe 12, blower 19, air Preheater 13, high-temperature medium input channel 8 and high-temperature medium output channel 11;Unrestrained water inlet pipe road 3 and 4 medial side of flash vessel The entrance in face is connected, and the outlet of 4 bottom of flash vessel is connected with the entrance of condensation water tank 1, the outlet at 4 top of flash vessel and row The heat release side entrance of vapour condenser 6 is connected, and the heat release side outlet of steam discharge condenser 6 is through the heat absorbing side of steam discharge heater 7 and steaming Vapour output channel 12 is connected, and the outlet of blower 19 is connected through the heat absorbing side of steam discharge condenser 6 with the entrance of air preheater 13 Logical, the heat release side entrance of steam discharge heater 7 is connected with high-temperature medium input channel 8, the heat release side outlet of steam discharge heater 7 and High-temperature medium output channel 11 is connected.
The utility model further includes bypass valve 16, wherein the outlet of blower 19 and one end of bypass valve 16 and steam discharge condense The heat absorption side entrance of device 6 is connected, the heat absorption side outlet of steam discharge condenser 6 and the other end and air preheater 13 of bypass valve 16 Entrance be connected.
The outlet of 4 bottom of flash vessel is connected through connecting pipe 2 with the entrance of condensation water tank 1;The utility model further includes Cold air inlet pipeline 17 and cold wind outlet conduit 14, the outlet of blower 19 are divided into two-way, wherein one end with bypass valve 16 all the way It is connected, another way is connected through cold air inlet pipeline 17 with the heat absorption side entrance of steam discharge condenser 6, the suction of steam discharge condenser 6 The other end of the hot side outlet through cold wind outlet conduit 14 and bypass valve 16 passes through pipeline and the entrance of Guan Houyu air preheater 13 It is connected.
The first shut-off valve 18 is provided on cold air inlet pipeline 17;The second shut-off valve is provided on cold wind outlet conduit 14 15;Third shut-off valve 9 and the 4th shut-off valve are respectively arranged on high-temperature medium input channel 8 and high-temperature medium output channel 11 10;The outlet at 4 top of flash vessel is connected by steam input pipe road 5 with the heat release side entrance of steam discharge condenser 6.
The specific work process of the utility model are as follows:
The unrestrained water of the high temperature generated in boiler startup and operational process and steam are discharged into after collecting through unrestrained water inlet pipe road 3 It in flash vessel 4, then is depressured to form saturated vapor and saturated water through 4 dilatation of flash vessel, wherein saturated water is through 2 row of connecting pipe Enter in condensation water tank 1, saturated vapor enters in steam discharge condenser 6 through steam input pipe road 5, and puts in steam discharge condenser 6 Heat, which cools, is condensed into drop, then falls in condensation water tank 1, the non-condensing steam and not that steam discharge condenser 6 is discharged Coagulable gas enters in steam discharge heater 7, and will be discharged after 7 heat temperature raising of steam discharge heater through steam output pipe 12 Into atmosphere, the problem of to eliminate white plume.
It absorbs heat in addition, the cold air that blower 19 exports enters in the heat absorbing side of steam discharge condenser 6, then enters back into It into air preheater 13, and enters eventually into boiler, the recycling of 4 exhausted spare heat of flash vessel is realized, in practical operation When, the flow for entering cold wind in steam discharge condenser 6 is adjusted by bypass valve 16.
Steam discharge heater 7 steams steam water heat exchanger, surface-type vapor-vapor heat exchanger or surface-type flue gas-using surface-type Low-level (stack-gas) economizer outlet high-temperature water, auxiliary steam or boiler tail flue gas etc. may be selected in vapor heat exchanger, high temperature refrigerant.
In the case where falling behind through techno-economic comparison, steam discharge heater 7 can also be replaced by electric heater, be added using electricity System arrangement is simple when hot device, start and stop speed is fast, heating power is adjusted rapidly, but should be noted that and take measures to avoid electric heater dry It burns.

Claims (7)

1. a kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system, which is characterized in that including unrestrained water inlet pipe road (3), Flash vessel (4), condensation water tank (1), steam discharge condenser (6), steam discharge heater (7), steam output pipe (12), blower (19), Air preheater (13), high-temperature medium input channel (8) and high-temperature medium output channel (11);
The entrance of side is connected in the middle part of unrestrained water inlet pipe road (3) and flash vessel (4), the outlet of flash vessel (4) bottom with it is cold The entrance of condensation tank (1) is connected, and the outlet at the top of flash vessel (4) is connected with the heat release side entrance of steam discharge condenser (6), row Heat absorbing side of the heat release side outlet of vapour condenser (6) through steam discharge heater (7) is connected with steam output pipe (12), blower (19) heat absorbing side of the outlet through steam discharge condenser (6) is connected with the entrance of air preheater (13), steam discharge heater (7) Heat release side entrance is connected with high-temperature medium input channel (8), and the heat release side outlet and high-temperature medium of steam discharge heater (7) export Pipeline (11) is connected.
2. air suspended type flash vessel steam discharge energy conservation and environmental protection processing system according to claim 1, which is characterized in that further include side Road valve (16), wherein the outlet of blower (19) is connected with the heat absorption side entrance of one end of bypass valve (16) and steam discharge condenser (6) Logical, the heat absorption side outlet of steam discharge condenser (6) and the other end of bypass valve (16) are connected with the entrance of air preheater (13).
3. air suspended type flash vessel steam discharge energy conservation and environmental protection processing system according to claim 1, which is characterized in that flash vessel (4) outlet of bottom is connected through connecting pipe (2) with the entrance of condensation water tank (1).
4. air suspended type flash vessel steam discharge energy conservation and environmental protection processing system according to claim 1, which is characterized in that further include cold Wind inlet duct (17) and cold wind outlet conduit (14), the outlet of blower (19) are divided into two-way, wherein all the way with bypass valve (16) One end be connected, another way is connected through cold air inlet pipeline (17) with the heat absorption side entrance of steam discharge condenser (6), and steam discharge is cold The other end of the heat absorption side outlet of condenser (6) through cold wind outlet conduit (14) and bypass valve (16) passes through pipeline and Guan Houyu air The entrance of preheater (13) is connected.
5. air suspended type flash vessel steam discharge energy conservation and environmental protection processing system according to claim 4, which is characterized in that cold air inlet The first shut-off valve (18) are provided on pipeline (17);The second shut-off valve (15) are provided on cold wind outlet conduit (14).
6. air suspended type flash vessel steam discharge energy conservation and environmental protection processing system according to claim 5, which is characterized in that high-temperature medium Third shut-off valve (9) and the 4th shut-off valve (10) are respectively arranged on input channel (8) and high-temperature medium output channel (11).
7. air suspended type flash vessel steam discharge energy conservation and environmental protection processing system according to claim 1, which is characterized in that flash vessel (4) outlet at the top of is connected by steam input pipe road (5) with the heat release side entrance of steam discharge condenser (6).
CN201821181975.9U 2018-07-24 2018-07-24 A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system Active CN208652532U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821181975.9U CN208652532U (en) 2018-07-24 2018-07-24 A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821181975.9U CN208652532U (en) 2018-07-24 2018-07-24 A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system

Publications (1)

Publication Number Publication Date
CN208652532U true CN208652532U (en) 2019-03-26

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Application Number Title Priority Date Filing Date
CN201821181975.9U Active CN208652532U (en) 2018-07-24 2018-07-24 A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system

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CN (1) CN208652532U (en)

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