CN206310525U - Wet desulphurization neat stress recuperative system - Google Patents
Wet desulphurization neat stress recuperative system Download PDFInfo
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- CN206310525U CN206310525U CN201621403689.3U CN201621403689U CN206310525U CN 206310525 U CN206310525 U CN 206310525U CN 201621403689 U CN201621403689 U CN 201621403689U CN 206310525 U CN206310525 U CN 206310525U
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- heat
- neat stress
- delivery pipe
- recirculated water
- flue gas
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Abstract
The utility model discloses a kind of wet desulphurization neat stress recuperative system, including wet flue gas desulfurization tower, condensing heat exchanger, re-heat heat exchanger and absorption heat pump.The characteristics of the utility model discharges big calorimetric using vapor condensation process in high temperature saturated flue gas, heating sub-cooled recirculated water, High-temperature cooling recirculated water after intensification is followed by absorption heat pump and realizes low level recuperation of heat, being aided with part drives steam that this part low level heat is upgraded into high-order heat, and then heat re-heat recirculated water, again by the high temperature re-heat circulating water heating condensed low temperature saturation neat stress of cooling, realizing that low temperature saturation neat stress heats up turns into unsaturated re-heat neat stress, reaches the purpose for eliminating blowdown stack outlet " white cigarette " and " chimney rain ".
Description
Technical field
The utility model is related to wet desulphurization neat stress recuperative system.
Background technology
Wet desulfurizing process is high with its desulfuration efficiency, and operating cost is low, technology maturation, runs the advantage such as simple to operate in cigarette
Desulfurization purified treatment field occupies absolute leading position.Flue gas desulfurization field of purification accounts for more than 95% at home, super in flue gas
Low emission is administered field wet desulfurizing process and accounts for more than 99%.
It is further " white after conventional pollutant removing with the upgrading of raising and the environmental requirement of environmental protection standard
The visual pollution problem such as cigarette ", " chimney rain " is also gradually taken seriously.Now there is saturation neat stress discharge process in wet desulfurizing process
Cooling condensation problem is become to need the problem of control.Wet desulphurization neat stress is for about 50 DEG C of saturated flue gas, week during smoke stack emission
Surrounding environment temperature is far below smog discharge temperature, and the condensation of saturated steam moment causes " white cigarette " phenomenon, while fume emission cigarette
Road lower the temperature on the way formation fine liquid particles also because the moment of throat flue gas flow rate reduces also to fall, form " chimney rain " existing
As.
In order to eliminate the visual pollution problems such as " white cigarette ", " chimney rain ", wet desulfurization system is typically returned using MGGH techniques
The high temperature original hot septate heat transfer re-heat neat stress of fume high-temperature is received, or high temperature air mixing neat stress directly heats technique.
It is that it utilizes desulfurization at present using more desulfurization neat stress re-heat technology that MGGH reclaims hot re-heat neat stress technique
High temperature original flue gas cool-down is reclaimed after height is warmed for holding saturation neat stress, neat stress to heat up after the heating as unsaturation before system
Flue gas passes through smoke stack emission, it is to avoid saturated flue gas condensation problem.But there is problems with using MGGH techniques：A, need to remove low
Warm economizer, reduces the efficiency of utilization of boiler；B, MGGH system material need to be using the former flue gas environment heatproof of satisfaction, corrosion-resistant bars
The solderable fluoroplastics or enamel material of part, heat exchange efficiency are low, and heat exchange area is huge, cause MGGH system investments costly.
The high temperature air source of the direct Hybrid Heating technique of high temperature air is general two kinds, and one kind is extracted from air preheater
About 150 DEG C of hot-airs, it certainly will influence the balance of the therrmodynamic system of boiler, and the influence to the efficiency of utilization of boiler is more unfavorable；
One kind heats air from external heat source, either using electrical heating or hot-blast stove, certainly will all roll up system energy consumption,
Economy is less good.Therefore the direct Hybrid Heating technique application Practical Project of high temperature air is less.
Utility model content
The purpose of this utility model is to provide a kind of wet desulphurization neat stress recuperative system, and it can be by the net cigarette of low temperature saturation
Gas lift temperature turns into unsaturated re-heat neat stress, reaches the purpose for eliminating blowdown stack outlet " white cigarette " and " chimney rain ".
To achieve the above object, the technical solution of the utility model is a kind of wet desulphurization neat stress recuperative system of design,
Including：
Former flue gas is carried out wet desulphurization treatment, treatment after export high temperature saturation neat stress wet flue gas desulfurization tower,
Wet flue gas desulfurization tower is exported high temperature saturation neat stress carry out cooling condensation process, treatment after export low temperature satisfy
With the condensing heat exchanger of neat stress；
Low temperature saturation neat stress is exported to condensing heat exchanger carries out output re-heat neat stress after intensification re-heat treatment, treatment
Re-heat heat exchanger；
Receive re-heat heat exchanger and export re-heat neat stress, the chimney for discharging the re-heat neat stress,
And absorption heat pump；
The wet flue gas desulfurization tower is connected by the first flue gas delivery pipe with condensing heat exchanger, first flue gas delivery pipe
In the high temperature saturation neat stress feeding condensing heat exchanger that wet flue gas desulfurization tower is exported；
The condensing heat exchanger is connected by the second flue gas delivery pipe with re-heat heat exchanger, and second flue gas delivery pipe will be cold
In the low temperature saturation neat stress feeding re-heat heat exchanger that solidifying heat exchanger is exported；
The re-heat heat exchanger is connected by the 3rd flue gas delivery pipe with chimney, and the 3rd flue gas delivery pipe exchanges heat re-heat
In the re-heat neat stress feeding chimney that device is exported；
The condensing heat exchanger carries out cooling condensation process to high temperature saturation neat stress by cooling circulating water, and condensation is changed
Hot device is provided with cooling circulating water input and cooling circulating water output end；
The absorption heat pump is with above-mentioned cooling circulating water as low-temperature heat source, and absorption heat pump is provided with low-temperature heat source input
End and low-temperature heat source output end；
The cooling circulating water input is connected by the first cooling circulating water delivery pipe with low-temperature heat source output end, and this
In the cooling circulating water feeding cooling circulating water input that one cooling circulating water delivery pipe is exported low-temperature heat source output end；
The cooling circulating water output end is connected by the second cooling circulating water delivery pipe with low-temperature heat source input, and this
In the cooling circulating water feeding low-temperature heat source input that two cooling circulating water delivery pipes are exported cooling circulating water output end；
The absorption heat pump is with steam as driving heat source, and absorption heat pump is provided with steam input pipe and steam condensate (SC)
Efferent duct；
The re-heat heat exchanger carries out intensification re-heat treatment by re-heat recirculated water to low temperature saturation neat stress, and re-heat is changed
Hot device is provided with re-heat recirculated water input and re-heat recirculated water output end；
The absorption heat pump is with above-mentioned re-heat recirculated water as heated medium, and absorption heat pump is provided with heated medium
Input and heated medium output end；
The re-heat recirculated water input is connected by the first re-heat recirculated water delivery pipe with heated medium output end, should
The re-heat recirculated water feeding re-heat recirculated water input that first re-heat recirculated water delivery pipe is exported heated medium output end
It is interior；
The re-heat recirculated water output end is connected by the second re-heat recirculated water delivery pipe with heated medium input, should
The re-heat recirculated water feeding heated medium input that second re-heat recirculated water delivery pipe is exported re-heat recirculated water output end
It is interior.
Preferably, the condensing heat exchanger bottom is additionally provided with flue gas condensing water delivery pipe.
Preferably, the first cooling circulating water delivery pipe and/or the first cooling circulating water delivery pipe are provided with circulating pump.
Preferably, the first re-heat recirculated water delivery pipe and/or the second re-heat recirculated water delivery pipe are provided with circulating pump.
Advantage of the present utility model and beneficial effect are：A kind of wet desulphurization neat stress recuperative system is provided, its utilization
The characteristics of vapor condensation process discharges big calorimetric in high temperature saturated flue gas, heats sub-cooled recirculated water, the height after intensification
Warm cooling circulating water is followed by absorption heat pump and realizes low level recuperation of heat, is aided with part and drives steam that this part low level heat is upgraded into height
Position heat, and then re-heat recirculated water is heated, then by the high temperature re-heat circulating water heating condensed low temperature saturation neat stress of cooling, it is real
Existing low temperature saturation neat stress heats up and turns into unsaturated re-heat neat stress, reaches elimination blowdown stack outlet " white cigarette " and " chimney rain "
Purpose.
The utility model is made up of equipment such as condensing heat exchanger, re-heat heat exchanger, absorption heat pumps, condensing heat exchanger, multiple
Heat exchanger is sequentially arranged between the outlet of wet method wet flue gas desulfurization tower neat stress and blowdown stack entrance, and heat pump is used as thermal source
Recovery is arranged nearby with supply arrangement.
Saturation neat stress is arranged outside wet flue gas desulfurization tower and enters condensing heat exchanger；Sub-cooled recirculated water in condensing heat exchanger
Exchanged heat with saturation neat stress flue gas, low temperature saturation neat stress is turned into after high temperature saturation neat stress cooling condensation release heat, it is low
Warm recirculated water heats up turns into High-temperature cooling recirculated water；High temperature saturation neat stress cooling flue gas condensing water is caught by heat exchanger and knows collection
Afterwards, as wet flue gas desulfurization tower process water moisturizing, reuse wet flue gas desulfurization tower.
Low temperature saturation neat stress enters re-heat heat exchanger after leaving condensing heat exchanger；High temperature re-heat circulation in re-heat heat exchanger
Water is exchanged heat with low temperature saturation neat stress flue gas, and the heat absorption of low temperature saturated flue gas turns into re-heat neat stress, high temperature re-heat recirculated water
Cooling turns into low temperature re-heat recirculated water.Re-heat neat stress passes through flue（3rd flue gas delivery pipe）From smoke stack emission.Low temperature re-heat
Recirculated water returns to absorption heat pump.
High-temperature cooling recirculated water enters absorption heat pump, and cooling turns into sub-cooled recirculated water in absorption heat pump, returns
Return condensing heat exchanger.Absorption heat pump reclaims the Low Temperature Thermal of High-temperature cooling circulating water cooling release, in the discharge of steam generator system afterbody
Low pressure tail row steam provide a high position heat auxiliary under, heat low temperature re-heat recirculated water.
Low temperature re-heat circulating water temperature heats up as high temperature re-heat recirculated water under absorption type heat pumping action, is changed into re-heat
Hot device, heating low temperature saturation neat stress turns into undersaturated re-heat neat stress.
Low pressure tail arranges steam after absorption heat pump cools, and cooling condensate returns to the feed water system of boiler.
The utility model has following features：
A, capital equipment of the present utility model are arranged in wet flue gas desulfurization tower outlet, all kinds of recuperations of heat dress of steam generator system
Putting normally to be run, and the therrmodynamic system of boiler is not influenceed, and influence is not produced substantially on boiler efficiency；
B, recyclable flue gas condensing water reduce wet flue gas desulfurization tower totality water consume as sulfur removal technology water moisturizing；
The high-order heat of c, assisted with high-temperature arranges steam from steam generator system tail, belongs to inexpensive tail gas, and operating cost significantly drops
It is low.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Hereinafter implement
Example is only used for clearly illustrating the technical solution of the utility model, and protection model of the present utility model can not be limited with this
Enclose.
The utility model specific implementation technical scheme be：
As shown in figure 1, a kind of wet desulphurization neat stress recuperative system, including：
Former flue gas is carried out wet desulphurization treatment, treatment after export high temperature saturation neat stress wet flue gas desulfurization tower 1,
Wet flue gas desulfurization tower 1 is exported high temperature saturation neat stress carry out cooling condensation process, treatment after export low temperature
The condensing heat exchanger 2 of saturation neat stress；
Low temperature saturation neat stress is exported to condensing heat exchanger 2 carries out the output net cigarette of re-heat after intensification re-heat treatment, treatment
The re-heat heat exchanger 3 of gas；
Receive re-heat heat exchanger 3 and export re-heat neat stress, the chimney 5 for discharging the re-heat neat stress,
And absorption heat pump 4；
The wet flue gas desulfurization tower 1 is provided with former flue gas input pipe A；
The wet flue gas desulfurization tower 1 is connected by the first flue gas delivery pipe B with condensing heat exchanger 2, and first flue gas is defeated
The high temperature saturation neat stress for sending pipe B to be exported wet flue gas desulfurization tower 1 is sent into condensing heat exchanger 2；
The condensing heat exchanger 2 is connected by the second flue gas delivery pipe C with re-heat heat exchanger 3, second flue gas delivery pipe C
In the low temperature saturation neat stress feeding re-heat heat exchanger 3 that condensing heat exchanger 2 is exported；
The re-heat heat exchanger 3 is connected by the 3rd flue gas delivery pipe D with chimney 5, and the 3rd flue gas delivery pipe D is by re-heat
In the re-heat neat stress feeding chimney 5 that heat exchanger 3 is exported；
The condensing heat exchanger 2 carries out cooling condensation process, and condensation to high temperature saturation neat stress by cooling circulating water
Heat exchanger 2 is provided with cooling circulating water input and cooling circulating water output end；
The absorption heat pump 4 with above-mentioned cooling circulating water as low-temperature heat source, and absorption heat pump 4 to be provided with low-temperature heat source defeated
Enter end and low-temperature heat source output end；
The cooling circulating water input is connected by the first cooling circulating water delivery pipe G1 with low-temperature heat source output end, should
The cooling circulating water feeding cooling circulating water input that first cooling circulating water delivery pipe G1 is exported low-temperature heat source output end
It is interior；
The cooling circulating water output end is connected by the second cooling circulating water delivery pipe G2 with low-temperature heat source input, should
The cooling circulating water feeding low-temperature heat source input that second cooling circulating water delivery pipe G2 is exported cooling circulating water output end
It is interior；
The absorption heat pump 4 is with steam as driving heat source, and absorption heat pump 4 is provided with steam input pipe E and steam is cold
Solidifying water delivery pipe F（Boiler recirculated water delivery pipe）；
The re-heat heat exchanger 3 carries out intensification re-heat treatment, and re-heat to low temperature saturation neat stress by re-heat recirculated water
Heat exchanger 3 is provided with re-heat recirculated water input and re-heat recirculated water output end；
The absorption heat pump 4 is with above-mentioned re-heat recirculated water as heated medium, and absorption heat pump 4 is provided with heated Jie
Matter input and heated medium output end；
The re-heat recirculated water input is connected by the first re-heat recirculated water delivery pipe H1 with heated medium output end,
The re-heat recirculated water feeding re-heat recirculated water that first re-heat recirculated water delivery pipe H1 is exported heated medium output end is defeated
Enter in end；
The re-heat recirculated water output end is connected by the second re-heat recirculated water delivery pipe H2 with heated medium input,
The re-heat recirculated water feeding heated medium that second re-heat recirculated water delivery pipe H2 is exported re-heat recirculated water output end is defeated
Enter in end.
Preferably, the bottom of the condensing heat exchanger 2 is additionally provided with flue gas condensing water delivery pipe J.
Preferably, the first cooling circulating water delivery pipe G1 and/or the first cooling circulating water delivery pipe G1 are provided with and follow
Ring pump.
Preferably, the first re-heat recirculated water delivery pipe H1 and/or the second re-heat recirculated water delivery pipe H2 are provided with and follow
Ring pump.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model know-why is not departed from, some improvements and modifications can also be made, these change
Enter and retouch also to should be regarded as protection domain of the present utility model.
Claims (4)
1. wet desulphurization neat stress recuperative system, it is characterised in that including：
Former flue gas is carried out wet desulphurization treatment, treatment after export high temperature saturation neat stress wet flue gas desulfurization tower,
Wet flue gas desulfurization tower is exported high temperature saturation neat stress carry out cooling condensation process, treatment after export low temperature saturation it is net
The condensing heat exchanger of flue gas；
Condensing heat exchanger is exported low temperature saturation neat stress carry out intensification re-heat treatment, treatment after export re-heat neat stress answer
Heat exchanger；
Receive re-heat heat exchanger and export re-heat neat stress, the chimney for discharging the re-heat neat stress,
And absorption heat pump；
The wet flue gas desulfurization tower is connected by the first flue gas delivery pipe with condensing heat exchanger, and first flue gas delivery pipe will be wet
In the high temperature saturation neat stress feeding condensing heat exchanger that method fume desulfurizing tower is exported；
The condensing heat exchanger is connected by the second flue gas delivery pipe with re-heat heat exchanger, and second flue gas delivery pipe changes condensation
In the low temperature saturation neat stress feeding re-heat heat exchanger that hot device is exported；
The re-heat heat exchanger is connected by the 3rd flue gas delivery pipe with chimney, and the 3rd flue gas delivery pipe is by re-heat heat exchanger institute
In the re-heat neat stress feeding chimney of output；
The condensing heat exchanger carries out cooling condensation process, and condensing heat exchanger by cooling circulating water to high temperature saturation neat stress
It is provided with cooling circulating water input and cooling circulating water output end；
The absorption heat pump with above-mentioned cooling circulating water as low-temperature heat source, and absorption heat pump be provided with low-temperature heat source input and
Low-temperature heat source output end；
The cooling circulating water input is connected by the first cooling circulating water delivery pipe with low-temperature heat source output end, and this is first cold
But in the cooling circulating water feeding cooling circulating water input that recirculated water delivery pipe is exported low-temperature heat source output end；
The cooling circulating water output end is connected by the second cooling circulating water delivery pipe with low-temperature heat source input, and this is second cold
But in the cooling circulating water feeding low-temperature heat source input that recirculated water delivery pipe is exported cooling circulating water output end；
The absorption heat pump is with steam as driving heat source, and absorption heat pump is provided with steam input pipe and steam condensate (SC) output
Pipe；
The re-heat heat exchanger carries out intensification re-heat treatment, and re-heat heat exchanger to low temperature saturation neat stress by re-heat recirculated water
It is provided with re-heat recirculated water input and re-heat recirculated water output end；
The absorption heat pump is with above-mentioned re-heat recirculated water as heated medium, and absorption heat pump is provided with heated medium input
End and heated medium output end；
The re-heat recirculated water input is connected by the first re-heat recirculated water delivery pipe with heated medium output end, and this first
In the re-heat recirculated water feeding re-heat recirculated water input that re-heat recirculated water delivery pipe is exported heated medium output end；
The re-heat recirculated water output end is connected by the second re-heat recirculated water delivery pipe with heated medium input, and this second
In the re-heat recirculated water feeding heated medium input that re-heat recirculated water delivery pipe is exported re-heat recirculated water output end.
2. wet desulphurization neat stress recuperative system according to claim 1, it is characterised in that the condensing heat exchanger bottom
It is additionally provided with flue gas condensing water delivery pipe.
3. wet desulphurization neat stress recuperative system according to claim 2, it is characterised in that first cooling circulating water
Delivery pipe and/or the first cooling circulating water delivery pipe are provided with circulating pump.
4. wet desulphurization neat stress recuperative system according to claim 3, it is characterised in that the first re-heat recirculated water
Delivery pipe and/or the second re-heat recirculated water delivery pipe are provided with circulating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403689.3U CN206310525U (en) | 2016-12-21 | 2016-12-21 | Wet desulphurization neat stress recuperative system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403689.3U CN206310525U (en) | 2016-12-21 | 2016-12-21 | Wet desulphurization neat stress recuperative system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206310525U true CN206310525U (en) | 2017-07-07 |
Family
ID=59251938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403689.3U Expired - Fee Related CN206310525U (en) | 2016-12-21 | 2016-12-21 | Wet desulphurization neat stress recuperative system |
Country Status (1)
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| CN (1) | CN206310525U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940492A (en) * | 2017-12-07 | 2018-04-20 | 天津华赛尔传热设备有限公司 | A kind of white absorption tower that disappears of heating agent circulation |
| CN107982953A (en) * | 2017-11-23 | 2018-05-04 | 北京清新环境技术股份有限公司 | A kind of desulfurization fume condensation water lift equipment and its water lift technique |
| CN107983077A (en) * | 2017-12-02 | 2018-05-04 | 北京清新环境技术股份有限公司 | A kind of system and method for administering desulfurization fume white plume |
| CN108730956A (en) * | 2018-07-24 | 2018-11-02 | 西安热工研究院有限公司 | A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system |
| CN108800186A (en) * | 2018-06-22 | 2018-11-13 | 临沂智慧新能源科技有限公司 | Fume afterheat utilization, eliminating white smoke system and its temperature automatic adjustment control method |
| CN109990305A (en) * | 2019-03-19 | 2019-07-09 | 华电电力科学研究院有限公司 | A kind of coal-burning power plant's white plume cancellation element and working method |
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- 2016-12-21 CN CN201621403689.3U patent/CN206310525U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107982953A (en) * | 2017-11-23 | 2018-05-04 | 北京清新环境技术股份有限公司 | A kind of desulfurization fume condensation water lift equipment and its water lift technique |
| CN107983077A (en) * | 2017-12-02 | 2018-05-04 | 北京清新环境技术股份有限公司 | A kind of system and method for administering desulfurization fume white plume |
| CN107940492A (en) * | 2017-12-07 | 2018-04-20 | 天津华赛尔传热设备有限公司 | A kind of white absorption tower that disappears of heating agent circulation |
| CN108800186A (en) * | 2018-06-22 | 2018-11-13 | 临沂智慧新能源科技有限公司 | Fume afterheat utilization, eliminating white smoke system and its temperature automatic adjustment control method |
| CN108800186B (en) * | 2018-06-22 | 2023-09-08 | 临沂智慧新能源科技有限公司 | Flue gas waste heat utilization and white smoke elimination system and automatic temperature adjustment control method thereof |
| CN108730956A (en) * | 2018-07-24 | 2018-11-02 | 西安热工研究院有限公司 | A kind of air suspended type flash vessel steam discharge energy conservation and environmental protection processing system |
| CN108730956B (en) * | 2018-07-24 | 2020-06-30 | 西安热工研究院有限公司 | Energy-saving and environment-friendly treatment system for exhaust of atmospheric flash tank |
| CN109990305A (en) * | 2019-03-19 | 2019-07-09 | 华电电力科学研究院有限公司 | A kind of coal-burning power plant's white plume cancellation element and working method |
| CN109990305B (en) * | 2019-03-19 | 2023-09-15 | 华电电力科学研究院有限公司 | White smoke plume eliminating device for coal-fired power plant and working method |
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Granted publication date: 20170707 |