CN203598934U - Dual smoke conditioning system - Google Patents
Dual smoke conditioning system Download PDFInfo
- Publication number
- CN203598934U CN203598934U CN201320756777.1U CN201320756777U CN203598934U CN 203598934 U CN203598934 U CN 203598934U CN 201320756777 U CN201320756777 U CN 201320756777U CN 203598934 U CN203598934 U CN 203598934U
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- CN
- China
- Prior art keywords
- urea
- ammonia
- sulfur
- storage tank
- conditioning system
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- 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.)
- Expired - Lifetime
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- 230000009977 dual effect Effects 0.000 title claims abstract description 11
- 230000003750 conditioning effect Effects 0.000 title abstract description 13
- 239000000779 smoke Substances 0.000 title abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 73
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000004202 carbamide Substances 0.000 claims abstract description 63
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 60
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 51
- 239000011593 sulfur Substances 0.000 claims abstract description 51
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 30
- 238000000197 pyrolysis Methods 0.000 claims abstract description 21
- 238000005507 spraying Methods 0.000 claims abstract description 18
- 239000005864 Sulphur Substances 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 21
- 238000005496 tempering Methods 0.000 claims description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 238000005303 weighing Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 21
- 238000005516 engineering process Methods 0.000 abstract description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004320 controlled atmosphere Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005367 electrostatic precipitation Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a dual smoke conditioning system. The system comprises a sulfur trioxide conditioning system and an ammonia conditioning system, wherein the sulfur trioxide conditioning system is composed of a sulfur combustion device, a sulfur dioxide conversion device and a sulfur trioxide spraying device which are sequentially connected in series; the ammonia conditioning system is composed of a urea dissolving device, a pyrolysis device and an ammonia spraying device which are sequentially connected in series. According to the dual smoke conditioning system, the sulfur trioxide conditioning system and the ammonia conditioning system are directly coupled; compared with a traditional single sulfur trioxide smoke conditioning technology, the system provided by the utility model has the advantages that the specific resistance of dust can be effectively adjusted, the dust stickiness is improved, the smoke acidity is adjusted, the dust-removing efficiency of an electric dust remover is improved, the equipment corrosion can be reduced and the dual smoke conditioning system is very friendly to the environment; the problems in a traditional conditioning system that the temperature of fly ash is high, the content of alkaline substances is low and the dust removing efficiency is low since the contents of Al2O3, SiO2 and content are too high can be effectively solved.
Description
Technical field
The utility model belongs to the field of smoke dust-removing equipment technology, relates in particular to a kind of dual flue gas quality regulating system that sulfur trioxide, ammonia are adjusting material that adopts.
Background technology
Along with the pay attention to day by day of China to environmental protection, PM
10and PM
2.5pollution problem caused the concern much more next.The national standard " fossil-fuel power plant atmospheric pollutant emission standard " of existing dust emission (GB13223-2011) has been strengthened the reduction of discharging dynamics to coal-burning power plant's pollutant, and also the performance to cleaner and reliability are had higher requirement simultaneously.
Electrostatic precipitation technology has unique advantage in various dedusting technologies.Reducing dust specific resistance, is the effective ways that solve high resistivity dust electric precipitation difficulty.The modified technology of sulfur trioxide is widely used in coal-burning power plant, can effectively reduce the dust specific resistance in flue gas, the charged difficulty of solution dust, the problem difficult, that easily produce anti-corona of discharging, be suitable for coal more, do not need mixed coal, be specially adapted to low-sulfur coal, can reduce expenses.Ammonia tempering system equipment is simple, and initial cost is lower, not only can regulate dust specific resistance, can also improve dust adhesion, absorbs the acidic materials that sulphur coal produces, and regulates flue gas acidity.When sial content in flue gas is compared with high and alkali metal content is lower, flue-gas temperature is too high, and flue gas flow rate is high, and when dust carbon containing is higher, the modified technical role of single sulfur trioxide or ammonia is little, is not enough to reach the discharge standard of dust.Along with the raising of the discharge standard of Environmental Protection in China department to coal-burning power plant's pollutant, coal-burning power plant must remove device to electricity and undergo technological transformation, to adapt to the environmental requirement of increasingly stringent.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art part, and a kind of dual flue gas quality regulating system is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of dual flue gas quality regulating system, it is characterized in that, and it comprises sulfur trioxide tempering system and ammonia tempering system; Wherein, described sulfur trioxide tempering system comprises: molten sulfur storage tank, molten sulfur delivery pump, molten sulfur filter, smart sulphur groove, smart sulphur pump, blower fan, air cleaner, air heater, blower fan, sulfur burning device, converter, control valve, sulfur trioxide Spraying device, the first blowoff valve, the second blowoff valve, the 3rd blowoff valve and the first blow-off pipe; Molten sulfur storage tank, molten sulfur delivery pump, molten sulfur filter, smart sulphur groove, smart sulphur pump, sulfur burning device, converter, control valve are connected successively with sulfur trioxide Spraying device, blower fan, air cleaner, air heater connect rear access sulfur burning device successively, and blower fan is connected with converter; Molten sulfur storage tank connects the first blow-off pipe by the first blowoff valve; Molten sulfur filter connects the first blow-off pipe by the second blowoff valve; Essence sulphur groove connects the first blow-off pipe by the 3rd blowoff valve; Described ammonia tempering system comprises: urea storage tank, Weighing feeder, urea dissolving tank, urea delivery pump, urea liquid storage tank, feed pump, control valve, condenser, control valve, urea atomizer, pyrolysis oven, blower fan, air cleaner, air heater, ammonia/air mixer, blower fan, control valve, ammonia-spraying grid, the 4th blowoff valve, the 5th blowoff valve and the second blow-off pipe; Urea storage tank, Weighing feeder, urea dissolving tank, urea delivery pump are connected successively with urea liquid storage tank; Urea liquid storage tank connects urea atomizer by feed pump, control valve; Urea liquid storage tank connects pyrolysis oven by condenser, control valve, and urea atomizer is placed in pyrolysis oven; Pyrolysis oven, ammonia/air mixer, control valve are connected successively with ammonia-spraying grid; Blower fan, air cleaner, air heater connect rear access pyrolysis oven successively; Blower fan is connected with ammonia/air mixer; Urea dissolving tank connects the second blow-off pipe by the 4th blowoff valve; Urea liquid storage tank connects the second blow-off pipe by the 5th blowoff valve.
The beneficial effects of the utility model are: the utility model can effectively reduce dust specific resistance, improve the adhesiveness of dust, effectively solve in conventional smoke controlled atmosphere matter technology highly by flying dust temperature, and alkaline matter content is few, Al
2o
3, SiO
2, the problem that reduces of the too high efficiency of dust collection that causes of carbon content.In addition, novel sulfur trioxide tempering system of the present utility model is provided with molten sulfur filter, has improved the purity of molten sulfur, has effectively prevented obstruction and the fouling of pipeline; It is raw material that ammonia tempering system adopts urea, does not need the requirement of liquefied ammonia or ammoniacal liquor transportation and on-the-spot storage, reduces safety cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dual flue gas quality regulating system of the utility model.
In figure, molten sulfur storage tank 1, molten sulfur delivery pump 2, molten sulfur filter 3, essence sulphur groove 4, essence sulphur pump 5, blower fan 6, air cleaner 7, air heater 8, blower fan 9, sulfur burning device 10, converter 11, control valve 12, sulfur trioxide Spraying device 13, the first blowoff valve 14, the second blowoff valve 15, the 3rd blowoff valve 16, urea storage tank 17, Weighing feeder 18, urea dissolving tank 19, urea delivery pump 20, urea liquid storage tank 21, feed pump 22, control valve 23, condenser 24, control valve 25, urea atomizer 26, pyrolysis oven 27, blower fan 28, air cleaner 29, air heater 30, ammonia/air mixer 31, blower fan 32, control valve 33, ammonia-spraying grid 34, the 4th blowoff valve 35, the 5th blowoff valve 36, the first blow-off pipe 37, the second blow-off pipe 38.
The specific embodiment
Further illustrate the present invention below in conjunction with accompanying drawing, it is more obvious that object of the present invention and effect will become.
As shown in Figure 1, a kind of dual flue gas quality regulating system of the utility model, comprises sulfur trioxide tempering system and ammonia tempering system.
Wherein, sulfur trioxide tempering system comprises: molten sulfur storage tank 1, molten sulfur delivery pump 2, molten sulfur filter 3, smart sulphur groove 4, smart sulphur pump 5, blower fan 6, air cleaner 7, air heater 8, blower fan 9, sulfur burning device 10, converter 11, control valve 12, sulfur trioxide Spraying device 13, the first blowoff valve 14, the second blowoff valve 15, the 3rd blowoff valve 16 and the first blow-off pipe 37.Molten sulfur storage tank 1, molten sulfur delivery pump 2, molten sulfur filter 3, smart sulphur groove 4, smart sulphur pump 5, sulfur burning device 10, converter 11, control valve 12 are connected successively with sulfur trioxide Spraying device 13, access sulfur burning device 10 after blower fan 6, air cleaner 7, air heater 8 connect successively, blower fan 9 is connected with converter 11; Molten sulfur storage tank 1 connects the first blow-off pipe 37 by the first blowoff valve 14.Molten sulfur filter 3 connects the first blow-off pipe 37 by the second blowoff valve 15.Essence sulphur groove 4 connects the first blow-off pipe 37 by the 3rd blowoff valve 16.
Ammonia tempering system comprises: urea storage tank 17, Weighing feeder 18, urea dissolving tank 19, urea delivery pump 20, urea liquid storage tank 21, feed pump 22, control valve 23, condenser 24, control valve 25, urea atomizer 26, pyrolysis oven 27, blower fan 28, air cleaner 29, air heater 30, ammonia/air mixer 31, blower fan 32, control valve 33, ammonia-spraying grid 34, the 4th blowoff valve 35, the 5th blowoff valve 36 and the second blow-off pipe 38.Urea storage tank 17, Weighing feeder 18, urea dissolving tank 19, urea delivery pump 20 are connected successively with urea liquid storage tank 21; Urea liquid storage tank 21 connects urea atomizer 26 by feed pump 22, control valve 23; Urea liquid storage tank 21 connects pyrolysis oven 27 by condenser 24, control valve 25, and urea atomizer 26 is placed in pyrolysis oven 27; Pyrolysis oven 27, ammonia/air mixer 31, control valve 33 are connected successively with ammonia-spraying grid 34; Access pyrolysis oven 27 after blower fan 28, air cleaner 29, air heater 30 connect successively; Blower fan 32 is connected with ammonia/air mixer 31.Urea dissolving tank 19 connects the second blow-off pipe 38 by the 4th blowoff valve 35; Urea liquid storage tank 21 connects the second blow-off pipe 38 by the 5th blowoff valve 36.
The course of work of the present utility model is as follows:
Liquid-state sulfur, after 2 pressurizations of sulphur delivery pump, is purified and is sent into smart sulphur groove 4 by molten sulfur filter 3.Molten sulfur in essence sulphur groove 4 sprays into sulfur burning device 10 by smart sulphur pump 5 pressurizations, air by blower fan 6 pressurize through air cleaner 7 filter, air heater 8 sends into sulfur burning device 10 after heating.The sulfur dioxide gas that sulfur burning generates is through being equipped with the catalyzed sulfur trioxide that is oxidized to of converter 11 of catalyst, and the high-temperature gas that contains sulfur trioxide is sprayed in the gas approach of electric cleaner by sulfur trioxide Spraying device 13.The logical blow-off pipe of cleaning sewage of molten sulfur storage tank 1, molten sulfur filter 3 and smart sulphur groove 4 is discharged.
Urea raw material is sent in urea dissolving tank 19 by Weighing feeder 18, and inputs a certain amount of water, is mixed with uniform urea liquid through adding thermal agitation.Urea liquid is sent into urea liquid tank 21 through urea delivery pump 20, then under the effect of feed pump 22, sprays into pyrolysis chamber 27 by urea atomizer 26.After air is pressurizeed by blower fan 28, through air cleaner 29 filter, air heater 30 heating enters pyrolysis chamber 27 and uses as thermal source.In pyrolysis chamber 27, urea liquid contacts with hot blast, and heating is decomposed into ammonia.Ammonia, in pyrolysis chamber's 27 upper end outputs, after mixing, is sprayed into by ammonia-spraying grid 34 in the inlet flue duct of electric cleaner in ammonia/air mixer 37 with air.The logical blow-off pipe of cleaning sewage of urea dissolving tank 19 and urea liquid tank 21 is discharged.
The utility model effectively reduces dust specific resistance, has improved the adhesiveness of dust, efficiently solves in traditional flue gas conditioning technology highly by flying dust temperature, and alkaline matter content is few, Al
2o
3, SiO
2, the problem that reduces of the too high efficiency of dust collection that causes of carbon content.In addition, novel sulfur trioxide tempering system of the present utility model is provided with molten sulfur filter 3, has improved the purity of molten sulfur, has effectively prevented obstruction and the fouling of pipeline; It is raw material that ammonia tempering system adopts urea, does not need the requirement of liquefied ammonia or ammoniacal liquor transportation and on-the-spot storage, reduces safety cost.
Claims (1)
1. a dual flue gas quality regulating system, is characterized in that, it comprises sulfur trioxide tempering system and ammonia tempering system, wherein, described sulfur trioxide tempering system comprises: molten sulfur storage tank (1), molten sulfur delivery pump (2), molten sulfur filter (3), smart sulphur groove (4), smart sulphur pump (5), blower fan (6), air cleaner (7), air heater (8), blower fan (9), sulfur burning device (10), converter (11), control valve (12), sulfur trioxide Spraying device (13), the first blowoff valve (14), the second blowoff valve (15), the 3rd blowoff valve (16) and the first blow-off pipe (37), molten sulfur storage tank (1), molten sulfur delivery pump (2), molten sulfur filter (3), smart sulphur groove (4), smart sulphur pump (5), sulfur burning device (10), converter (11), control valve (12) and sulfur trioxide Spraying device (13) are connected successively, access sulfur burning device (10) after blower fan (6), air cleaner (7), air heater (8) connect successively, blower fan (9) is connected with converter (11), molten sulfur storage tank (1) connects the first blow-off pipe (37) by the first blowoff valve (14), molten sulfur filter (3) connects the first blow-off pipe (37) by the second blowoff valve (15), essence sulphur groove (4) connects the first blow-off pipe (37) by the 3rd blowoff valve (16), described ammonia tempering system comprises: urea storage tank (17), Weighing feeder (18), urea dissolving tank (19), urea delivery pump (20), urea liquid storage tank (21), feed pump (22), control valve (23), condenser (24), control valve (25), urea atomizer (26), pyrolysis oven (27), blower fan (28), air cleaner (29), air heater (30), ammonia/air mixer (31), blower fan (32), control valve (33), ammonia-spraying grid (34), the 4th blowoff valve (35), the 5th blowoff valve (36) and the second blow-off pipe (38), urea storage tank (17), Weighing feeder (18), urea dissolving tank (19), urea delivery pump (20) are connected successively with urea liquid storage tank (21), urea liquid storage tank (21) connects urea atomizer (26) by feed pump (22), control valve (23), urea liquid storage tank (21) connects pyrolysis oven (27) by condenser (24), control valve (25), and urea atomizer (26) is placed in pyrolysis oven (27), pyrolysis oven (27), ammonia/air mixer (31), control valve (33) are connected successively with ammonia-spraying grid (34), access pyrolysis oven (27) after blower fan (28), air cleaner (29), air heater (30) connect successively, blower fan (32) is connected with ammonia/air mixer (31), urea dissolving tank (19) connects the second blow-off pipe (38) by the 4th blowoff valve (35), urea liquid storage tank (21) connects the second blow-off pipe (38) by the 5th blowoff valve (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320756777.1U CN203598934U (en) | 2013-11-27 | 2013-11-27 | Dual smoke conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320756777.1U CN203598934U (en) | 2013-11-27 | 2013-11-27 | Dual smoke conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203598934U true CN203598934U (en) | 2014-05-21 |
Family
ID=50711635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320756777.1U Expired - Lifetime CN203598934U (en) | 2013-11-27 | 2013-11-27 | Dual smoke conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203598934U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066158A (en) * | 2015-09-18 | 2015-11-18 | 福建龙净环保股份有限公司 | Sulfur trioxide flue gas tempering system |
| CN105107627A (en) * | 2015-09-22 | 2015-12-02 | 北京威尔普能源技术有限公司 | Double flue gas conditioning system |
| CN108187910A (en) * | 2017-12-20 | 2018-06-22 | 中国神华能源股份有限公司 | The method of flue gas ash removal |
-
2013
- 2013-11-27 CN CN201320756777.1U patent/CN203598934U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066158A (en) * | 2015-09-18 | 2015-11-18 | 福建龙净环保股份有限公司 | Sulfur trioxide flue gas tempering system |
| CN105107627A (en) * | 2015-09-22 | 2015-12-02 | 北京威尔普能源技术有限公司 | Double flue gas conditioning system |
| CN108187910A (en) * | 2017-12-20 | 2018-06-22 | 中国神华能源股份有限公司 | The method of flue gas ash removal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |