CN108151050A - A kind of dangerous waste burns wet method depickling flue gas and takes off white system and its application method - Google Patents
A kind of dangerous waste burns wet method depickling flue gas and takes off white system and its application method Download PDFInfo
- Publication number
- CN108151050A CN108151050A CN201810121550.7A CN201810121550A CN108151050A CN 108151050 A CN108151050 A CN 108151050A CN 201810121550 A CN201810121550 A CN 201810121550A CN 108151050 A CN108151050 A CN 108151050A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- cigarette
- heat exchanger
- scrubber
- dangerous waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000003546 flue gas Substances 0.000 title claims abstract description 44
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000002699 waste material Substances 0.000 title claims abstract description 17
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 55
- 238000005201 scrubbing Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229920002313 fluoropolymer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/08—Arrangements of devices for treating smoke or fumes of heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/50—Intercepting solids by cleaning fluids (washers or scrubbers)
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention provides a kind of dangerous wastes to burn wet method depickling flue gas to take off white system and its application method, not only can effective white-smoke-removing, and can prevent equipment from corroding, improve service life, reduce energy consumption;It includes scrubbing tower, steam heater, and the steam heater connects chimney, further includes the cigarette cigarette heat exchanger of connection flue gas, and the cigarette cigarette heat exchanger is connected with after scrubbing tower cycle connection with the steam heater.
Description
Technical field
The present invention relates to incineration flue gas process field, specially a kind of dangerous waste burns wet method depickling flue gas and takes off white system
And its application method.
Background technology
In recent years, country is more and more stringenter to environmental requirement in order to administer haze, and many rubbish and dangerous waste are burned project and wanted
Ask chimney that white cigarette cannot occur, traditional dangerous waste incineration flue gas wet method, which is taken off in white technique, to be heated by increasing steam after scrubbing tower
Device can only meet white-smoke-removing effect to solve the above problems in summer high temperature weather, and in winter when, due to temperature too
Low, the flue gas after steam heater condenses after being mixed with outside air, and chimney still will appear white cigarette, in addition, from dedusting
The flue gas of device temperature after scrubbing tower washs be down to acid dew point hereinafter, then low-temperature flue gas enter in steam heater, by
For low temperature and contain sour gas in the flue gas, it is easy to corrosive vapor heater and follow-up equipment, service life is short, and except
During white, steam consumption quantity is also bigger.
Invention content
In view of the above-mentioned problems, burning wet method depickling flue gas the present invention provides a kind of dangerous waste takes off white system and its user
Method, not only can effective white-smoke-removing, and can prevent equipment from corroding, improve service life, reduce energy consumption.
Its technical solution is such：A kind of dangerous waste burns wet method depickling flue gas and takes off white system, including scrubbing tower, steam
Heater, the steam heater connect chimney, it is characterised in that：It further includes the cigarette cigarette heat exchanger of connection flue gas, the cigarette
Cigarette heat exchanger is connected with after scrubbing tower cycle connection with the steam heater.
It is further characterized by：
The scrubbing tower include first grade scrubber, secondary scrubber, the cigarette cigarette heat exchanger with the first grade scrubber, two level
It is connected after the connection of scrubbing tower sequential loop with the steam heater, the first grade scrubber, secondary scrubber are respectively connected with
Circulating pump simultaneously passes through pipeline and forms closed cycle；
The secondary scrubber is connected with cooling unit, and the cooling unit includes plate heat exchanger, cooling tower, described board-like
Heat exchanger is connected to by the pipeline between the circulating pump of the secondary scrubber and the spray port of the secondary scrubber, and
It is recycled and connected by cooling water pipe between the plate heat exchanger and cooling tower；
The cigarette cigarette heat exchanger is GGH cigarette cigarette heat exchangers, and its heat exchanger tube material is PTFE fluoroplastics；The steam heater is
SGH steam heaters.
A kind of dangerous waste burns the application method that wet method depickling flue gas takes off white system, it is characterised in that：It includes the following steps：
（1）, from bag filter come out 160 DEG C ~ 180 DEG C flue gases by cigarette cigarette heat exchanger exchanges heat to 110 DEG C ~ 120 DEG C after, divide
Cleaning solution that Jing Guo be in first grade scrubber, secondary scrubber carries out depickling and is cooled to 45 DEG C ~ 55 DEG C；
（2）, by two-stage depickling cool down flue gas return in cigarette cigarette heat exchanger carry out level-one be heated to 90 DEG C ~ 100 DEG C, Ran Houjin
Enter to carry out two level in steam heater to be heated to 130 DEG C or more, finally by smoke stack emission.
It is further characterized by：
The step（1）In, flue gas and cleaning solution heat exchange inside the secondary scrubber into the secondary scrubber carry out
Depickling cools down, and wherein cleaning solution is flowed out from circulating pump and exchanged heat after plate heat exchanger with the cooling water in cooling water pipe, and cold
But water passes through exchanges heat with the cooling tower of plate heat exchanger cycle connection with outside air；
The cleaning solution uses a concentration of 1% sodium hydroxide solution.
The invention has the advantages that exchanging heat from the flue gas that bag filter comes out by cigarette cigarette heat exchanger, reduce and wash
Tower entrance flue gas temperature is washed, the consumption of water can be reduced, is then come back in cigarette cigarette heat exchanger after washed tower depickling cooling
Level-one heating is carried out, the flue-gas temperature of steam heater entrance is improved, also with regard to steam consumption quantity can be reduced, then adds by steam
Hot device is discharged after carrying out two level heating by chimney, then the flue-gas temperature by the heating discharge of steam heater two level improves,
Just solve the problems, such as that chimney emits white cigarette, and can effectively avoid that temperature is low and the situation of etching apparatus, improve service life.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments：
As shown in Figure 1, a kind of dangerous waste of the present invention, which burns wet method depickling flue gas, takes off white system, including scrubbing tower, steam heater
6, steam heater 6 connects chimney 7, further includes the cigarette cigarette heat exchanger 5 for the flue gas that connection comes out from bag filter, cigarette cigarette changes
Hot device 5 is connected with after scrubbing tower cycle connection with steam heater 6；Specifically, cigarette cigarette heat exchanger 5 exchanges heat for GGH cigarettes cigarette
Device, and its heat exchanger tube material is PTFE fluoroplastics；Steam heater 6 is SGH steam heaters.
Scrubbing tower includes first grade scrubber 1, secondary scrubber 2, and cigarette cigarette heat exchanger 5 is washed with first grade scrubber 1, two level
It is connected after the connection of 2 sequential loop of tower with steam heater 6, first grade scrubber 1, secondary scrubber 2 are respectively connected with circulating pump 8 simultaneously
Closed cycle is formed by pipeline 9, i.e., first grade scrubber 1, respectively connection follows the circulating liquid outlet 10 in secondary scrubber 2
Corresponding spray port 11 is connected to by pipeline 9 after ring pump 8；Secondary scrubber 2 is connected with cooling unit, and cooling unit includes board-like
Heat exchanger 3, cooling tower 4, plate heat exchanger 3 are connected to the circulating pump 8 of secondary scrubber 2 and secondary scrubber 2 by pipeline 9
Spray port 11 between, and between plate heat exchanger 3 and cooling tower 4 pass through cooling water pipe 12 cycle connection.
A kind of dangerous waste burns the application method that wet method depickling flue gas takes off white system, includes the following steps：
（1）, from bag filter come out 160 DEG C ~ 180 DEG C flue gases after cigarette cigarette heat exchanger 5 exchanges heat to 115 DEG C, pass through first
The cleaning solution crossed in first grade scrubber 1 carries out strength depickling cooling, is then carried out again by the cleaning solution in secondary scrubber 2
Depickling is cooled to 50 DEG C；Cleaning solution uses a concentration of 1% sodium hydroxide solution；
Wherein, depickling cooling, cooling water are carried out into the flue gas of secondary scrubber 2 and 2 inside cleaning solution heat exchange of secondary scrubber
Cooling water in pipe 12 flow to board-like change after exchanging heat with the cooling tower 4 of the cycle connection of plate heat exchanger 3 with outside air
In hot device 3, cleaning solution flows out the cooling after plate heat exchanger 3 with flowing in plate heat exchanger 3 and after exchanging heat from circulating pump 8
Water exchanges heat, and then the cleaning solution after heat exchange carries out depickling to flue gas in secondary scrubber 2 and is cooled to 50 DEG C, wherein, flue gas warp
Become saturated flue gas after washing, flue gas is cooling and dehumidification process in secondary scrubber 2, and flue gas moisture content is also therewith after cooling down
It tails off；
（2）, by two-stage depickling cool down flue gas return in cigarette cigarette heat exchanger 5 carry out level-one be heated to 95 DEG C, improve steam
The flue-gas temperature of 6 entrance of heater also with regard to that can reduce steam consumption quantity, is heated to subsequently into two level is carried out in steam heater 6
135 DEG C, wherein vapor (steam) temperature is 165 DEG C, finally by smoke stack emission, then by the cigarette of 6 two level of steam heater heating discharge
Temperature degree improves, and would not occur white haze when becoming unsaturated flue gas, then being mixed with outside air again, also just solve chimney 7
The problem of emitting white cigarette, and can effectively avoid that temperature is low and the situation of etching apparatus, improve service life, reduce plant maintenance
Cost.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention, all according to the present invention
The equivalent change or modification that Spirit Essence is made, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of dangerous waste, which burns wet method depickling flue gas, takes off white system, including scrubbing tower, steam heater, the steam heater
Connect chimney, it is characterised in that：Its further include connection flue gas cigarette cigarette heat exchanger, the cigarette cigarette heat exchanger with the scrubbing tower
It is connected after cycle connection with the steam heater.
2. a kind of dangerous waste according to claim 1, which burns wet method depickling flue gas, takes off white system, it is characterised in that：The washing
Tower includes first grade scrubber, secondary scrubber, and the cigarette cigarette heat exchanger is followed with the first grade scrubber, secondary scrubber sequence
It is connected after ring connection with the steam heater, the first grade scrubber, secondary scrubber are respectively connected with circulating pump and pass through
Pipeline forms closed cycle.
3. a kind of dangerous waste according to claim 2, which burns wet method depickling flue gas, takes off white system, it is characterised in that：The two level
Scrubbing tower is connected with cooling unit, and the cooling unit includes plate heat exchanger, cooling tower, and the plate heat exchanger passes through institute
Pipeline is stated to be connected between the circulating pump of the secondary scrubber and the spray port of the secondary scrubber, and the plate-type heat-exchange
It is recycled and connected by cooling water pipe between device and cooling tower.
4. a kind of dangerous waste according to claim 1, which burns wet method depickling flue gas, takes off white system, it is characterised in that：The cigarette cigarette
Heat exchanger is GGH cigarette cigarette heat exchangers, and its heat exchanger tube material is PTFE fluoroplastics；The steam heater is heated for SGH steam
Device.
5. the application method of white system is taken off using a kind of dangerous waste burning wet method depickling flue gas as described in claim 1-4 is any,
It is characterized in that：It includes the following steps：
（1）, from bag filter come out 160 DEG C ~ 180 DEG C flue gases by cigarette cigarette heat exchanger exchanges heat to 110 DEG C ~ 120 DEG C after, divide
Cleaning solution that Jing Guo be in first grade scrubber, secondary scrubber carries out depickling and is cooled to 45 DEG C ~ 55 DEG C；
（2）, by two-stage depickling cool down flue gas return in cigarette cigarette heat exchanger carry out level-one be heated to 90 DEG C ~ 100 DEG C, Ran Houjin
Enter to carry out two level in steam heater to be heated to 130 DEG C or more, finally by smoke stack emission.
6. a kind of dangerous waste according to claim 5 burns the application method that wet method depickling flue gas takes off white system, feature exists
In：The step（1）In, flue gas and cleaning solution heat exchange inside the secondary scrubber into the secondary scrubber are taken off
Acid cooling, wherein cleaning solution is flowed out from circulating pump and is exchanged heat after plate heat exchanger with the cooling water in cooling water pipe, and is cooled down
Water passes through to exchange heat with the cooling tower of plate heat exchanger cycle connection with outside air.
7. a kind of dangerous waste according to claim 5 burns the application method that wet method depickling flue gas takes off white system, feature exists
In：The cleaning solution uses a concentration of 1% sodium hydroxide solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810121550.7A CN108151050A (en) | 2018-02-07 | 2018-02-07 | A kind of dangerous waste burns wet method depickling flue gas and takes off white system and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810121550.7A CN108151050A (en) | 2018-02-07 | 2018-02-07 | A kind of dangerous waste burns wet method depickling flue gas and takes off white system and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108151050A true CN108151050A (en) | 2018-06-12 |
Family
ID=62457022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810121550.7A Withdrawn CN108151050A (en) | 2018-02-07 | 2018-02-07 | A kind of dangerous waste burns wet method depickling flue gas and takes off white system and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108151050A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876637A (en) * | 2019-03-18 | 2019-06-14 | 江苏东本环保工程有限公司 | Wet process deacidification system |
| CN112843998A (en) * | 2020-12-28 | 2021-05-28 | 上海域德环保工程有限公司 | Water-cooling circulating device for hazardous waste incineration flue gas |
| CN116059808A (en) * | 2023-03-16 | 2023-05-05 | 上海康恒环境股份有限公司 | A flue gas treatment device and an incinerator flue gas treatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1199317A (en) * | 1997-07-30 | 1999-04-13 | Babcock Hitachi Kk | Flue gas desulfurizer and its operation |
| CN202136916U (en) * | 2011-06-30 | 2012-02-08 | 光大环保能源（苏州）有限公司 | Flue gas purification system |
| CN202289849U (en) * | 2011-10-11 | 2012-07-04 | 苏州科德技研有限公司 | White smoke treatment device |
| CN103486603A (en) * | 2013-10-11 | 2014-01-01 | 光大环保（中国）有限公司 | Flue gas treatment device and treatment method |
| CN104566424A (en) * | 2015-01-12 | 2015-04-29 | 重庆中电节能技术服务有限公司 | Combined steam smoke MGGH system and flue gas treatment technology |
| JP2016148317A (en) * | 2015-02-13 | 2016-08-18 | 株式会社タクマ | Heat recovery power generation facility from combustion exhaust gas |
| CN205957205U (en) * | 2016-08-24 | 2017-02-15 | 光大环保技术装备（常州）有限公司 | Exhaust gas treatment system |
| CN208090711U (en) * | 2018-02-07 | 2018-11-13 | 无锡雪浪环境科技股份有限公司 | A kind of dangerous waste burns wet method depickling flue gas and takes off white system |
-
2018
- 2018-02-07 CN CN201810121550.7A patent/CN108151050A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1199317A (en) * | 1997-07-30 | 1999-04-13 | Babcock Hitachi Kk | Flue gas desulfurizer and its operation |
| CN202136916U (en) * | 2011-06-30 | 2012-02-08 | 光大环保能源（苏州）有限公司 | Flue gas purification system |
| CN202289849U (en) * | 2011-10-11 | 2012-07-04 | 苏州科德技研有限公司 | White smoke treatment device |
| CN103486603A (en) * | 2013-10-11 | 2014-01-01 | 光大环保（中国）有限公司 | Flue gas treatment device and treatment method |
| CN104566424A (en) * | 2015-01-12 | 2015-04-29 | 重庆中电节能技术服务有限公司 | Combined steam smoke MGGH system and flue gas treatment technology |
| JP2016148317A (en) * | 2015-02-13 | 2016-08-18 | 株式会社タクマ | Heat recovery power generation facility from combustion exhaust gas |
| CN205957205U (en) * | 2016-08-24 | 2017-02-15 | 光大环保技术装备（常州）有限公司 | Exhaust gas treatment system |
| CN208090711U (en) * | 2018-02-07 | 2018-11-13 | 无锡雪浪环境科技股份有限公司 | A kind of dangerous waste burns wet method depickling flue gas and takes off white system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876637A (en) * | 2019-03-18 | 2019-06-14 | 江苏东本环保工程有限公司 | Wet process deacidification system |
| CN112843998A (en) * | 2020-12-28 | 2021-05-28 | 上海域德环保工程有限公司 | Water-cooling circulating device for hazardous waste incineration flue gas |
| CN116059808A (en) * | 2023-03-16 | 2023-05-05 | 上海康恒环境股份有限公司 | A flue gas treatment device and an incinerator flue gas treatment system |
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Address after: 214000 no.2020 Lihu Avenue, Binhu District, Wuxi City, Jiangsu Province Applicant after: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 214128, Wuxi, Jiangsu province Binhu District Taihu Street double new economic Park Applicant before: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180612 |