CN206168198U - Hot stove SOx/NOx control system in industrial silicon ore deposit based on two alkaline processs of sodium calcium - Google Patents
Hot stove SOx/NOx control system in industrial silicon ore deposit based on two alkaline processs of sodium calcium Download PDFInfo
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- CN206168198U CN206168198U CN201621042648.6U CN201621042648U CN206168198U CN 206168198 U CN206168198 U CN 206168198U CN 201621042648 U CN201621042648 U CN 201621042648U CN 206168198 U CN206168198 U CN 206168198U
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- Prior art keywords
- flue
- spray thrower
- folded plate
- industrial silicon
- flue gas
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Abstract
The utility model provides a hot stove SOx/NOx control system in industrial silicon ore deposit based on two alkaline processs of sodium calcium, includes circulatory pool, sodium alkali jar, water pump and SOx/NOx control device, the sodium alkali jar with the circulatory pool intercommunication, the SOx/NOx control device includes flue, spray thrower and folded plate dehydrator, be equipped with flue gas outlet on the lateral wall of flue, the bottom of flue is equipped with the outlet, the spray thrower with the folded plate dehydrator is established in the flue, the spray thrower is located the flue gas outlet top, the folded plate dehydrator is located the spray thrower top, the spray thrower passes through water pump and circulatory pool intercommunication, be equipped with the decurrent nozzle of a plurality of courts on the spray thrower. The utility model discloses a spray thrower sprays sodium alkali solution to the flue gas that gets into the flue in succession for the flue gas produces the reaction with sodium alkali solution. And then dewater to containing wet flue gas through the folded plate dehydrator. Thereby reach the purifying effect of flue gas desulfurization denitration, have the advantage that the SOx/NOx control treatment effect is good, equipment technology optimizes.
Description
Technical field
The utility model is related to the technical field of system for desulfuration and denitration, more particularly to one kind is using sodalime double alkali method and answers
System for desulfuration and denitration in industrial silicon mineral hot furnace.
Background technology
Sulfur dioxide (SO2) and nitrogen oxides (NOX) it is to cause acid rain " sour gas ", it is also to cause greenhouse effects
" indirect greenhouse gases ".Acid rain brings extensive harm to environment.With the development of national economy, people's environmental consciousness it is continuous
Improve, the dynamics of state treatment atmosphere pollution progressively increases, the discharge of flue gas is just being subject to increasingly stricter control.In industrial silicon
In smelting, SO2And NOXPollution sources 90% come from coal and oil coke, to reach national standard limit of smog release, one be from low-sulfur coal and
Low-sulfur oil coke, two is upper flue gas desulfurization and denitrification device.
The widest flue gas desulfurization and denitrification of current application mainly uses " wet flue gas desulfurization (Wet-FGD) and NH3Choosing
Selecting property catalysis reduction (SCR) technology.But its equipment is huge, floor space is big, and equipment corrosion, serious wear, desulphurization denitration are also needed
Substantial amounts of water is wanted, investment and operating cost are high, so less practical in smelting industrial silicon industry.
Utility model content
The purpose of this utility model is the shortcoming for overcoming prior art, there is provided a kind of industrial silicon based on sodalime double alkali method
Mineral hot furnace system for desulfuration and denitration.
In order to solve the above technical problems, the utility model employs following technical measures：
A kind of industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method, including circulatory pool, sodium alkali tank, water pump and
Desulfuring and denitrifying apparatus, the sodium alkali tank is connected with the circulatory pool, and the desulfuring and denitrifying apparatus include flue, spray thrower and folded plate
Dehydrator, the side wall of the flue is provided with flue gas mouthful, and the bottom of the flue is provided with discharge outlet, the spray thrower and the folding
Plate dehydrator is located in the flue, and the spray thrower is located at flue gas mouthful top, and the folded plate dehydrator is located at spray thrower top,
The spray thrower is connected by water pump with circulatory pool, and the spray thrower is provided with multiple nozzles under.
The utility model can also be further perfect by following technical measures：
As a further improvement, the spray thrower includes two showers, the relatively described flue of the shower is vertically inserted
If being respectively equipped with two nozzles on described each shower.
As a further improvement, the flue is round tube, four nozzles are distributed in be justified with the section of the flue
In shape inscribe and four circumscribed each other round centers of circle.
As a further improvement, the water pump and the connecting pipe of the spray thrower are provided with water pressure gauge, the nozzle to
Hydraulic pressure during outer spray is 0.20MPa~0.25MPa.
As a further improvement, the folded plate dehydrator includes the dehydration folded plate of multiple array arrangements, the dehydration folded plate
Including continuous folding part and vertical portion, the continuous folding part is respectively arranged at two ends with vertical portion, the vertical portion and the cigarette
The axis parallel in road.
As a further improvement, being provided with air-introduced machine at the flue gas mouthful.
As a further improvement, being provided with agitator in the sodium alkali tank, the agitator is driven by motor.
As a further improvement, the circulatory pool include a pond and No. two ponds, a pond and No. two ponds it
Between be provided with dividing plate, the discharge outlet is connected to a pond draining, the sodium alkali tank with No. two ponds.
As a further improvement, the bottom in a pond is provided with groove.
Compared with prior art, the utility model has advantages below：
1st, soda solution is continuously sprayed to the flue gas for entering flue by spray thrower so that flue gas produces anti-with soda solution
Should.Then again by folded plate dehydrator to being dehydrated containing wet flue gas.So as to reach the clean-up effect of flue gas desulfurization and denitrification, have
Desulphurization denitration treatment effect is good, the advantage of apparatus and process optimization.
2nd, by setting circulatory pool so that the SO in flue gas2And NOXAfter being collected by soda solution absorbing reaction, soda
Solution is by lime water reuse (treatment and recycles.
3rd, four nozzles are distributed in the section circle inscribe and four circumscribed each other round circles with the flue
In the heart so that during the downward water spray of nozzle, full of whole flue, border be plentiful, spreadability is strong, it is ensured that gas can fully and water
Mist mixes.Improve the filterability of desulphurization denitration.
Brief description of the drawings
Accompanying drawing 1 is the schematic diagram of the industrial silicon mineral hot furnace system for desulfuration and denitration that the utility model is based on sodalime double alkali method；
Accompanying drawing 2 is that spray thrower shows in the industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method shown in accompanying drawing 1
It is intended to；
Accompanying drawing 3 is the schematic diagram of nozzle in spray thrower shown in accompanying drawing 2.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Refer to Fig. 1, a kind of industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method, including circulatory pool 10,
Sodium alkali tank 50, water pump 30 and desulfuring and denitrifying apparatus, the sodium alkali tank 50 are connected with the circulatory pool 10.The desulfuring and denitrifying apparatus
Including flue 40, spray thrower 30 and folded plate dehydrator 20, the side wall of the flue 40 is provided with flue gas mouthful 41, the flue 40
Bottom is provided with discharge outlet 42.The spray thrower 30 is located in the flue 40 with the folded plate dehydrator 20, the spray thrower 30
Positioned at the top of flue gas mouthful 41, the folded plate dehydrator 20 is located at the top of spray thrower 30, and the spray thrower 30 passes through water pump 30 and follows
Cisterna ambiens 10 is connected, and the spray thrower 30 is provided with multiple nozzles 311 under.
Soda solution is continuously sprayed to the flue gas for entering flue 40 by spray thrower 30 so that flue gas is produced with soda solution
Reaction.Then again by folded plate dehydrator 20 pairs be dehydrated containing wet flue gas.So as to reach the clean-up effect of flue gas desulfurization and denitrification,
Have the advantages that desulphurization denitration treatment effect is good, apparatus and process optimization.By after the system treatment, industrial silicon furnace flue gas desulfurization is imitated
Rate is up to more than 90%, denitration efficiency more than 40%, efficiency of dust collection more than 96%.
Fig. 2 is refer to, the spray thrower 30 includes two showers 31, and the relatively described flue 40 of the shower 31 is vertical
Plug, two nozzles 311 are respectively equipped with described each shower 31.Preferably, the flue 40 is round tube, described four
Nozzle 311 be distributed in on the section circle inscribe of the flue 40 and four circumscribed each other round centers of circle.So that spray
During 311 downward water spray of mouth, full of whole flue 40, border is plentiful, spreadability is strong, it is ensured that gas can be fully mixed with water smoke
Close.Improve the filterability of desulphurization denitration.
Refer to Fig. 3, it is preferred that the nozzle 311 uses spirality hollow cone nozzle.The angle of the hollow cone of the nozzle
Spend is 60 °~150 ° so that the spray coverage that the injection of nozzle 311 is formed is wider,.Simultaneously, it is ensured that nozzle 311 has fine and closely woven equal
Even atomizing effect, does not block, and can so obtain total specific surface area higher and be more easy to promote " solution-air " interfacial reaction, and
With certain altitude so that can have enough distance and solution reactions, increased resistance very little in flue gas uphill process.
Fig. 1 is refer to, the water pump 30 is provided with water pressure gauge 31, the nozzle with the connecting pipe of the spray thrower 30
Hydraulic pressure during 311 outside spray is 0.20MPa~0.25MPa.Wherein it is possible to set adjustable valve in water pump 30, pass through
Control valve controls the hydraulic pressure of spray thrower 30.
Fig. 1 is refer to, the folded plate dehydrator 20 includes the dehydration folded plate of multiple array arrangements, and the dehydration folded plate includes
Continuous folding part 21 and vertical portion 22.The continuous folding part 21 is respectively arranged at two ends with vertical portion 22, the vertical portion 22 with
The axis parallel of the flue 40.By vertical portion 22, facilitate the gas after desulphurization denitration by folded plate dehydrator 20, and take off
Separate out the moisture for coming smoothly can also drip downwards from folded plate dehydrator 20.
Fig. 1 is refer to, air-introduced machine is provided with the flue gas mouthful 41.Agitator 51 is provided with the sodium alkali tank 50, it is described to stir
Device 51 is mixed to be driven by motor.The sodium alkali tank 50 is used to allocate NaCO3Or the solution of NaOH, then by deployed solution to
Circulatory pool 10 is input into.
Fig. 1 is refer to, the circulatory pool 10 includes a pond 11 and No. two ponds 13, a pond 11 and No. two ponds
Dividing plate 12 is provided between 13, the discharge outlet 42 connects to the draining of pond 11, the sodium alkali tank 50 with No. two ponds 13
It is logical.So, the solution in a pond 11 is by after precipitation, and what is passed through from dividing plate 12 is the supernatant that can use.Preferably, institute
The bottom for stating a pond 11 is provided with groove so that precipitate bulk is convenient to process in groove.Acid is provided with No. two ponds 13
Degree meter 131, the pH value for measuring liquid in No. two ponds 13, need to control the pH value of liquid in No. two ponds 13 up to more than 12.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc. should be included in the utility model
Within the scope of protection.
Claims (9)
1. a kind of industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method, it is characterised in that including circulatory pool, soda
Tank, water pump and desulfuring and denitrifying apparatus, the sodium alkali tank are connected with the circulatory pool, and the desulfuring and denitrifying apparatus include flue, spray
Device and folded plate dehydrator are drenched, the side wall of the flue is provided with flue gas mouthful, and the bottom of the flue is provided with discharge outlet, the spray
Device is located in the flue with the folded plate dehydrator, and the spray thrower is located at flue gas mouthful top, and the folded plate dehydrator is located at
Spray thrower top, the spray thrower is connected by water pump with circulatory pool, and the spray thrower is provided with multiple nozzles under.
2. the industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method according to claim 1, it is characterised in that
The spray thrower includes two showers, and the relatively described flue of the shower is vertically plugged, on described each shower respectively
It is provided with two nozzles.
3. the industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method according to claim 2, it is characterised in that
The flue is round tube, and four nozzles are distributed in and the section circle inscribe of the flue and each other circumscribed four
On the center of circle of individual circle.
4. the industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method according to claim 3, it is characterised in that
The water pump is provided with water pressure gauge with the connecting pipe of the spray thrower, and the hydraulic pressure when nozzle is outwards sprayed is 0.20MPa
~0.25MPa.
5. the industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method according to claim 1, it is characterised in that
The folded plate dehydrator includes the dehydration folded plate of multiple array arrangements, and the dehydration folded plate includes continuous folding part and vertical portion,
The continuous folding part is respectively arranged at two ends with vertical portion, the axis parallel of the vertical portion and the flue.
6. the industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method according to claim 1, it is characterised in that
Air-introduced machine is provided with the flue gas mouthful.
7. the industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method according to claim 1, it is characterised in that
Agitator is provided with the sodium alkali tank, the agitator is driven by motor.
8. the industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method according to claim 1, it is characterised in that
The circulatory pool includes a pond and No. two ponds, is provided with dividing plate between a pond and No. two ponds, the discharge outlet to
A number pond draining, the sodium alkali tank is connected with No. two ponds.
9. the industrial silicon mineral hot furnace system for desulfuration and denitration based on sodalime double alkali method according to claim 8, it is characterised in that
The bottom in a number pond is provided with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621042648.6U CN206168198U (en) | 2016-09-08 | 2016-09-08 | Hot stove SOx/NOx control system in industrial silicon ore deposit based on two alkaline processs of sodium calcium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621042648.6U CN206168198U (en) | 2016-09-08 | 2016-09-08 | Hot stove SOx/NOx control system in industrial silicon ore deposit based on two alkaline processs of sodium calcium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206168198U true CN206168198U (en) | 2017-05-17 |
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ID=58675333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621042648.6U Expired - Fee Related CN206168198U (en) | 2016-09-08 | 2016-09-08 | Hot stove SOx/NOx control system in industrial silicon ore deposit based on two alkaline processs of sodium calcium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206168198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352701A (en) * | 2017-09-14 | 2017-11-17 | 周大军 | A kind of high-ammonia-nitrogen sewage processing cycle pond and sewage-treatment plant and its handling process with circulatory pool |
| CN109847567A (en) * | 2018-12-11 | 2019-06-07 | 江苏方天电力技术有限公司 | A kind of reduction gas turbine NOxThe process of concentration of emission |
-
2016
- 2016-09-08 CN CN201621042648.6U patent/CN206168198U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107352701A (en) * | 2017-09-14 | 2017-11-17 | 周大军 | A kind of high-ammonia-nitrogen sewage processing cycle pond and sewage-treatment plant and its handling process with circulatory pool |
| CN107352701B (en) * | 2017-09-14 | 2020-10-27 | 周大军 | High ammonia nitrogen sewage treatment device with circulating tank and process |
| CN109847567A (en) * | 2018-12-11 | 2019-06-07 | 江苏方天电力技术有限公司 | A kind of reduction gas turbine NOxThe process of concentration of emission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20170908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |