CN205586789U - Coal fired power plant boiler combustion flue gas emission compliance processing system - Google Patents
Coal fired power plant boiler combustion flue gas emission compliance processing system Download PDFInfo
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- CN205586789U CN205586789U CN201620329603.0U CN201620329603U CN205586789U CN 205586789 U CN205586789 U CN 205586789U CN 201620329603 U CN201620329603 U CN 201620329603U CN 205586789 U CN205586789 U CN 205586789U
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- pipe
- urea
- carbamide
- tank
- processing system
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Abstract
The utility model relates to a coal fired power plant boiler combustion flue gas emission compliance processing system, including urea dry powder storehouse, the dissolving tank, the urea solution storage tank, urea sprays the case, spray the cabinet, denitration reactor, the water tank, the elevator pump, the flushing pipe, the sedimentation tank, a filte, the delivery pipe, storage tank is deposited to the basicity absorbent, the delivery pump, conveyer pipe and injection pipe, dissolve for urea solution and in depositing the urea solution storage tank in through the urea dry powder of dissolving tank with the storehouse ejection of compact of urea dry powder, then spray the case and spray during the cabinet spurts into the flue with urea solution through urea, make flue gas and urea send out the biological chemistry reaction through catalysis in denitration reactor, thereby get rid of the nitrogen oxide in the flue gas, kick into alkaline adsorbent in the flue, make the SO3 reaction in alkaline adsorbent and the flue gas, realize the desulfurization, go on regularly or irregularly washing to the air preheater, can guarantee the continuous steady operation of system to wash waste water and filter the back emission through precipitating, it is pollution -free to the environment.
Description
Technical field
This utility model relates to boiler flue gas purification technology, particularly relates to a kind of to denitration of boiler smoke desulfurization
Device.
Background technology
Along with the issuing and implementation of GB 13223-2011 " thermal power plant atmosphere pollutants emission standards ", country
The concentration of emission of the nitrogen oxides of thermal power plant coal unit there is tightened up requirement.Coal-burning power plant must
Denitrating system must be installed, the requirement of effluent standard could be met.
But, in prior art, although most denitrating system can partly remove denitrification, but nothing
The nitrogen oxides degree of depth is removed by method, along with the raising of atmospheric emission standard, it is difficult to meet discharge standard.
Because above-mentioned defect, the design people, the most in addition research and innovation, can be deep to founding one
Degree removes nitrogen oxides and the system of sulfide in boiler smoke, and stable and reliable operation.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide a kind of coal-fired plant boiler burning cigarette
Gas emission compliance processing system, it is possible to continuous-stable boiler smoke is carried out desulphurization denitration process, make flue gas
Qualified discharge after process.
A kind of coal-fired plant boiler combustion product gases emission compliance processing system of the present utility model, does including carbamide
Powder cabin, dissolving tank, urea liquid storage tank, carbamide jet box, injection cabinet, Benitration reactor, water tank, carry
Rise pump, flush pipe, sedimentation tank, filter, delivery pipe, alkaline absorbent bucket, delivery pump, conveying
Pipe and playpipe, described carbamide dry powder storehouse is connected by pipeline with described dissolving tank, and described dissolving tank is by pipe
Road is connected with described urea liquid storage tank, and described urea liquid storage tank is by pipeline with described carbamide jet box even
Connecing, described carbamide jet box is connected with described injection cabinet by pipeline, and described Benitration reactor is installed on boiler
Flue, described flue is provided with air preheater, after described air preheater is positioned at described Benitration reactor, described
Before injection cabinet is installed on described flue and is positioned at described Benitration reactor, the water inlet of described water tank connects
Municipal administration water inlet pipe, the outlet of described water tank connects described flush pipe, and described flush pipe passes to described air preheater
Heat storage plate, described elevator pump is installed in described flush pipe, and the discharge outlet of described air preheater connects described row
Putting pipe, described delivery pipe connects described sedimentation tank, and described sedimentation tank connects described filter, described filter
Water outlet connect municipal administration blow-off line, described playpipe is installed in described flue, and described playpipe is provided with
Shower nozzle, is connected by described conveying pipe between described alkaline absorbent bucket and described playpipe, described defeated
Pump is sent to be installed on described conveying pipe.
Further, described sedimentation tank has sludge outlet, and described sludge outlet is connected by sludge pipe pressure
Filter, described pressure filter is filter press.
Further, the lower section in described carbamide dry powder storehouse has discharging opening, and the lower section in described carbamide dry powder storehouse
Being provided with discharger, the discharging opening in described carbamide bar dry powder storehouse is connected with described discharger, and described discharger passes through
Pipeline is connected with described dissolving tank.
Further, described carbamide jet box is provided with urea pump, air compressor machine and PLC, described urine
Element pump and described air compressor machine is connected with described carbamide jet box respectively, described PLC control air compressor machine with
Urea pump.
Further, described playpipe is installed on the exit of described air preheater.
Further, described filter has filter element, and described filter element is that PP is cotton.
By such scheme, this utility model at least has the advantage that coal-burning power plant of the present utility model pot
Stove combustion product gases emission compliance processing system, sprays in flue together with flue gas in Benitration reactor by carbamide
Reaction, can effectively remove denitrification, make emission of smoke tallies atmosphere pollutants emission standards, and lead to
Parlkaline adsorbent and the SO in flue gas3Reaction, it is achieved desulfurization, and air preheater can be rinsed, anti-
Only its blocking, it is ensured that system continuous and steady operation.
Described above is only the general introduction of technical solutions of the utility model, in order to it is new to better understand this practicality
The technological means of type, and can be practiced according to the content of description, below with preferable reality of the present utility model
After executing example and coordinating accompanying drawing to describe in detail such as.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.
Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
See Fig. 1, a kind of coal-fired plant boiler combustion product gases discharge described in this utility model one preferred embodiment
Processing system up to standard, including carbamide dry powder storehouse 1, dissolving tank 2, urea liquid storage tank 3, carbamide jet box 4,
Injection cabinet 5, Benitration reactor 6, water tank 11, elevator pump 12, flush pipe 13, sedimentation tank 14, filter
15, delivery pipe 16, alkaline absorbent bucket 18, delivery pump 19, conveying pipe 20 and playpipe 21, institute
Stating carbamide dry powder storehouse to be connected by pipeline with described dissolving tank, described dissolving tank is molten with described carbamide by pipeline
Liquid storage tank connects, and described urea liquid storage tank is connected with described carbamide jet box by pipeline, and described carbamide sprays
Penetrating case to be connected with described injection cabinet by pipeline, described Benitration reactor is installed on the flue 8 of boiler 7, described
Flue is provided with air preheater 10, and after described air preheater is positioned at described Benitration reactor, described injection cabinet is installed
On described flue and before being positioned at described Benitration reactor, the water inlet of described water tank connects municipal administration water inlet pipe,
The outlet of described water tank connects described flush pipe, and described flush pipe passes to the heat storage plate of described air preheater, institute
Stating elevator pump to be installed in described flush pipe, the discharge outlet of described air preheater connects described delivery pipe, described row
Putting pipe and connect described sedimentation tank, described sedimentation tank connects described filter, and the water outlet of described filter connects city
Political affairs blow-off line, described playpipe is installed in described flue, and described playpipe is provided with shower nozzle, described alkali
Being connected by described conveying pipe between property absorbent bucket and described playpipe, described delivery pump is installed on institute
State conveying pipe.
Described sedimentation tank has sludge outlet, and described sludge outlet is connected by sludge pipe pressure filter 17, institute
Stating pressure filter is filter press.
The lower section in described carbamide dry powder storehouse has discharging opening, and the lower section in described carbamide dry powder storehouse is provided with discharger
9, the discharging opening in described carbamide bar dry powder storehouse is connected with described discharger, and described discharger passes through pipeline with described
Dissolving tank connects.
Described carbamide jet box is provided with urea pump, air compressor machine and PLC, described urea pump and described
Air compressor machine is connected with described carbamide jet box respectively, and described PLC controls air compressor machine and urea pump.
Described playpipe is installed on the exit of described air preheater.
Described filter has filter element, and described filter element is that PP is cotton.
Operation principle of the present utility model is as follows: by dissolving tank by molten for the carbamide dry powder of carbamide dry powder warehouse discharging
Solve as urea liquid and be stored in urea liquid storage tank, then by carbamide jet box and injection cabinet, carbamide is molten
Liquid is spurted in flue, makes flue gas and carbamide through the biochemical reaction of catalytic reaction in Benitration reactor, thus
Remove the nitrogen oxides in flue gas；In flue, inject alkaline adsorbent, make in alkaline adsorbent and flue gas
SO3Reaction, it is achieved desulfurization；Air preheater is periodically or non-periodically rinsed, prevents it from blocking, and rinse
Waste water discharges after precipitation filters, environmentally safe.
The above is only preferred implementation of the present utility model, is not limited to this utility model, should
When pointing out, for those skilled in the art, without departing from this utility model know-why
On the premise of, it is also possible to making some improvement and modification, these improve and modification also should be regarded as this utility model
Protection domain.
Claims (6)
1. a coal-fired plant boiler combustion product gases emission compliance processing system, it is characterised in that: include carbamide
Dry powder storehouse (1), dissolving tank (2), urea liquid storage tank (3), carbamide jet box (4), injection cabinet (5),
Benitration reactor (6), water tank (11), elevator pump (12), flush pipe (13), sedimentation tank (14), mistake
Filter (15), delivery pipe (16), alkaline absorbent bucket (18), delivery pump (19), conveying pipe (20)
With playpipe (21), described carbamide dry powder storehouse is connected by pipeline with described dissolving tank, and described dissolving tank passes through
Pipeline is connected with described urea liquid storage tank, and described urea liquid storage tank is by pipeline and described carbamide jet box
Connecting, described carbamide jet box is connected with described injection cabinet by pipeline, and described Benitration reactor is installed on pot
The flue (8) of stove (7), described flue is provided with air preheater (10), and described air preheater is positioned at described denitration
After reactor, before described injection cabinet is installed on described flue and is positioned at described Benitration reactor, described
The water inlet of water tank connects municipal administration water inlet pipe, and the outlet of described water tank connects described flush pipe, described flushing
Pipe passes to the heat storage plate of described air preheater, and described elevator pump is installed in described flush pipe, described air preheater
Discharge outlet connects described delivery pipe, and described delivery pipe connects described sedimentation tank, and described sedimentation tank connects described mistake
Filter, the water outlet of described filter connects municipal administration blow-off line, and described playpipe is installed in described flue,
Described playpipe is provided with shower nozzle, by described defeated between described alkaline absorbent bucket and described playpipe
Sending pipe to connect, described delivery pump is installed on described conveying pipe.
Coal-fired plant boiler combustion product gases emission compliance processing system the most according to claim 1, it is special
Levying and be: described sedimentation tank has sludge outlet, described sludge outlet is connected by sludge pipe pressure filter
(17), described pressure filter is filter press.
Coal-fired plant boiler combustion product gases emission compliance processing system the most according to claim 1, it is special
Levy and be: the lower section in described carbamide dry powder storehouse has discharging opening, and the lower section in described carbamide dry powder storehouse is provided with out
Glassware (9), the discharging opening in described carbamide bar dry powder storehouse is connected with described discharger, and described discharger is by pipe
Road is connected with described dissolving tank.
Coal-fired plant boiler combustion product gases emission compliance processing system the most according to claim 1, it is special
Levy and be: described carbamide jet box is provided with urea pump, air compressor machine and PLC, described urea pump and
Described air compressor machine is connected with described carbamide jet box respectively, and described PLC controls air compressor machine and urea pump.
Coal-fired plant boiler combustion product gases emission compliance processing system the most according to claim 1, it is special
Levy and be: described playpipe is installed on the exit of described air preheater.
Coal-fired plant boiler combustion product gases emission compliance processing system the most according to claim 1, it is special
Levying and be: described filter has filter element, described filter element is that PP is cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620329603.0U CN205586789U (en) | 2016-04-19 | 2016-04-19 | Coal fired power plant boiler combustion flue gas emission compliance processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620329603.0U CN205586789U (en) | 2016-04-19 | 2016-04-19 | Coal fired power plant boiler combustion flue gas emission compliance processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205586789U true CN205586789U (en) | 2016-09-21 |
Family
ID=56934366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620329603.0U Expired - Fee Related CN205586789U (en) | 2016-04-19 | 2016-04-19 | Coal fired power plant boiler combustion flue gas emission compliance processing system |
Country Status (1)
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| CN (1) | CN205586789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076607A (en) * | 2020-08-14 | 2020-12-15 | 安吉临港热电有限公司 | Flue gas desulfurization, denitrification and dust removal integrated device and method thereof |
-
2016
- 2016-04-19 CN CN201620329603.0U patent/CN205586789U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076607A (en) * | 2020-08-14 | 2020-12-15 | 安吉临港热电有限公司 | Flue gas desulfurization, denitrification and dust removal integrated device and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20180419 |