CN201842655U - Oxidation device for preparing ammonium sulfate by desulfurizing flue gas - Google Patents
Oxidation device for preparing ammonium sulfate by desulfurizing flue gas Download PDFInfo
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- CN201842655U CN201842655U CN 201020549434 CN201020549434U CN201842655U CN 201842655 U CN201842655 U CN 201842655U CN 201020549434 CN201020549434 CN 201020549434 CN 201020549434 U CN201020549434 U CN 201020549434U CN 201842655 U CN201842655 U CN 201842655U
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- oxidation
- outlet
- spray device
- ammonium sulfate
- oxygen canister
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Abstract
The utility model belongs to an oxidation device for preparing ammonium sulfate by using boiler flue gas and particularly relates to an oxidation device for preparing the ammonium sulfate by desulfurizing flue gas, which directly prepares the ammonium sulfate from ammonium sulfite generated by air oxidation in an ammonia method flue gas desulphurization system. The oxidation device comprises an oxidation pump and an oxygen tank which is provided with an air outlet, wherein a longitudinal clapboard which is arranged inside the oxygen tank partitions the oxygen tank into two cavities; the oxidation pump is connected with an oxidation ejector; the outlet of the oxidation ejector is arranged at the bottom of the oxygen tank; the outlet of the oxidation ejector and a circulating inlet are arranged in the same cavity of the oxygen tank; the circulating inlet is connected with a circulating pump and a circulating ejector in turn; the outlet of the circulating ejector is arranged at the bottom of the other cavity of the oxygen tank; and the outlet of the circulating ejector and a liquid outlet on the upper part of the oxygen tank are arranged in the same cavity of the oxygen tank. The oxidation device has the advantages of simple structure, stable running, lower cost and high ammonium sulfate preparation efficiency.
Description
Technical field
The utility model belongs to the oxidation unit that utilizes boiler smoke to produce ammonium sulfate, is specifically related to the oxidation unit that ammonium sulfate is produced in flue gas desulfurization that a kind of ammonium sulphite that directly utilizes atmospheric oxidation to generate in the ammonia type flue gas desulfurizing system produces ammonium sulfate.
Background technology
Contain a large amount of sulfurous gas in the boiler smoke, directly the discharging meeting causes severe contamination to atmosphere, also is a kind of waste to resource simultaneously.The reaction principle of ammonia type flue gas desulfurizing is that the sulfurous gas that utilizes weak ammonia to absorb in the boiler smoke generates ammonium sulphite, then air is mixed with the ammonium sulphite of generation and contact, utilize the reaction of airborne oxygen and ammonium sulphite to generate ammonium sulfate, environment can be improved like this, a kind of useful industrial chemicals can be obtained again.Traditional is to adopt gas blower that air pressurized is delivered in the ammonium sulfite solution jar with air and ammonium sulphite blended method, because air blast carries bubble bigger, be unfavorable for that airborne oxygen fully contacts with ammonium sulphite, and duration of contact is often shorter, it is lower to cause whole oxidation to produce the efficient of ammonium sulfate, and adopts gas blower also can consume a part of electric energy.
Summary of the invention
The purpose of this utility model is to overcome defective of the prior art and provides a kind of simple in structure, stable, reduces cost and the oxidation unit of ammonium sulfate is produced in the high flue gas desulfurization of efficient of producing ammonium sulfate.
The purpose of this utility model is achieved in that the oxygen canister that comprises the oxidation pump and be provided with venting port, and the wash plate of described oxygen canister bosom setting is divided into two cavitys with oxygen canister; Described oxidation pump links to each other with the oxidation injector that is arranged on the oxygen canister top by pipeline, and the oxidation injector outlet that install described oxidation injector bottom is arranged on the bottom of a cavity of oxygen canister; Described oxidation injector outlet is arranged in the same cavity of oxygen canister with the loop head that is installed in the oxygen canister middle part; Described loop head links to each other with the cyclic spray device that is arranged on the oxygen canister top with recycle pump successively by pipeline, and the cyclic spray device outlet that install described cyclic spray device bottom is arranged on the bottom of another cavity of oxygen canister; Described cyclic spray device outlet is arranged in the same cavity of oxygen canister with the liquid outlet that is installed in oxygen canister top; The outlet of the outlet of described oxidation injector and cyclic spray device is respectively the sealing tube of at least two outlet openings; The air scoop that advances that advances air scoop and cyclic spray device of described oxidation injector links to each other with the liquid search trough that is set in the venting port outside respectively by pipeline, the upper end of described liquid search trough links to each other with atmosphere, and the bottom of described liquid search trough links to each other with venting port by the U-shaped pipe; Described oxidation injector and cyclic spray device are air self-suction formula injection structure; The air scoop that advances of described oxidation injector is at least two; The air scoop that advances of described cyclic spray device is at least two; Described oxidation injector is at least two covers; Described cyclic spray device is at least two covers.The top of described dividing plate is not less than 1/2nd places of oxygen canister.The height of described liquid outlet is lower than the height of dividing plate.Described oxygen canister inner transverse is provided with the porous uniform board.Described porous uniform board is at least one.The air outlet of described oxidation injector is parallel with horizontal plane.The air outlet of described cyclic spray device is parallel with horizontal plane.
The utlity model has simple in structurely, stable, reduce cost and produce the high advantage of efficient of ammonium sulfate.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is another structural representation of the present utility model.
Embodiment
As shown in Figure 1, 2, the utility model comprises oxidation pump 1 and is provided with the oxygen canister 10 of venting port 13 that the wash plate 12 of described oxygen canister 10 bosom settings is divided into two cavitys with oxygen canister 10; Described oxidation pump 1 links to each other with the oxidation injector 2 that is arranged on oxygen canister 10 tops by pipeline, and the oxidation injector outlet 3 that install described oxidation injector 2 bottoms is arranged on the bottom of a cavity of oxygen canister 10; Described oxidation injector outlet 3 is arranged in the same cavity of oxygen canister 10 with the loop head 4 that is installed in oxygen canister 10 middle parts; Described loop head 4 links to each other with the cyclic spray device 6 that is arranged on oxygen canister 10 tops with recycle pump 5 successively by pipeline, and the cyclic spray device outlet 7 that install described cyclic spray device 6 bottoms is arranged on the bottom of another cavity of oxygen canister 10; Described cyclic spray device outlet 7 is arranged in the same cavity of oxygen canister 10 with the liquid outlet 9 that is installed in oxygen canister 10 tops; The outlet 3 of described oxidation injector and the outlet 7 of cyclic spray device are respectively the sealing tube of at least two outlet openings; The air scoop 11 that advances that advances air scoop 16 and cyclic spray device of described oxidation injector links to each other with the liquid search trough 14 that is set in venting port 13 outsides respectively by pipeline, the upper end of described liquid search trough 14 links to each other with atmosphere, and the bottom of described liquid search trough 14 links to each other with venting port 13 by U-shaped pipe 15; Described oxidation injector 2 and cyclic spray device 6 are air self-suction formula injection structure; The air scoop 16 that advances of described oxidation injector is at least two; The air scoop 17 that advances of described cyclic spray device is at least two; Described oxidation injector 2 is at least two covers; Described cyclic spray device 6 is at least two covers.The top of described dividing plate 12 is not less than 1/2nd places of oxygen canister 10.The height of described liquid outlet 9 is lower than the height of dividing plate 12.Described oxygen canister 10 inner transverse are provided with porous uniform board 8.Described porous uniform board 8 is at least one.The air outlet 3 of described oxidation injector is parallel with horizontal plane.The air outlet 7 of described cyclic spray device is parallel with horizontal plane.
Principle of work of the present utility model is: weak ammonia absorbs the SO in the boiler smoke
2Generation contains (NH
4)
2SO
3Solution, these (NH
4)
2SO
3Solution is delivered to oxidation injector 2 through 1 pressurization of oxidation pump, and oxidation injector 2 is at least one, and all adopts air self-suction formula injection structure.The sealing tube that oxidation injector outlet 3 is evenly equipped with a plurality of outlet openings for horizontal direction is positioned at the bottom of 10 1 cavitys of oxidation tank.Oxidation tank 10 is divided into two cavitys by intermediary dividing plate 12 1, and the height of dividing plate 12 is the place more than 1/2nd of oxidation tank 13 height, so oxidation tank 10 is separated fully.Air enters and (NH through oxidation injector 2
4)
2SO
3Solution mixes, and part of oxygen is in pipe and (NH
4)
2SO
3Reaction generates (NH
4)
2SO
4, unreacted gas-liquid mixture is come out by oxidation injector outlet 3, (the NH in the process that rises in part of oxygen and the oxidation tank 10
4)
2SO
3Reaction generates (NH
4)
2SO
4Oxidation injector 2 is arranged in a cavity of oxidation tank 10, and when the solution height of this cavity surpassed the height of baffle plate 12, the solution automatic overflow was in another cavity.Loop head 4 is positioned at the middle part of oxidation tank 10, and the intravital solution in chamber that the oxidation injector exports 3 places is recycled pump 5 pressurizations through loop head 4 and sends in the cyclic spray device 6, and cyclic spray device 6 and oxidation injector 2 are the same to be the air self-suction injector.The solution that recycle pump 5 extracts sucks air through cyclic spray device 6, and enters in another cavity of oxidation tank 10 through cyclic spray device outlet 7, makes (NH not oxidized in the solution
4)
2SO
3Reaction generates (NH
4)
2SO
4, it is 3 identical that the structure of cyclic spray device outlet 7 and oxidation injector export.Liquid outlet 9 is positioned at the top of oxidation tank 10, when the indoor liquid level at cyclic spray device 6 places reaches the position of liquid outlet 9, can come out from liquid outlet 9 automatic overflows, enters mother liquor tank 11.Oxidation tank 10 is distributed with at least one porous uniform board 8, one at various height, guarantees gas-liquid fully contact in uphill process, and the 2nd, play uniform ascending gas, to improve the purpose of oxidation ratio; The opening direction of the utility model outlet opening exports 7 parallel with oxidation injector outlet 3 and cyclic spray device respectively.Responseless gas enters atmosphere by venting port 13 in the utility model.
The air scoop 11 that advances that advances air scoop 16 and cyclic spray device of oxidation injector all is communicated with liquid search trough 14 with pipeline in the utility model, liquid search trough 14 is the ring grooves that link to each other with oxidation tank air outlet 13, inwall is the tube wall of venting port 13, liquid search trough 14 tops are spacious fully empty, liquid search trough 14 bottoms have U-shaped pipe 15 to be communicated with air outlet 13, and (the NH of certain liquid level is arranged in the U-shaped pipe 15
4)
2SO
3Solution plays the effect of fluid-tight.The mode of operation of this partial devices is: during the ordinary production, oxidation injector 2 and cyclic spray device 6 needed air by liquid search trough 14 by pipeline enter respectively the oxidation injector advance air scoop 16 and cyclic spray device advance air scoop 11, owing to have the solution of certain liquid level to play the fluid-tight effect in the U-shaped pipe 15 of liquid search trough 14 bottoms, can guarantee that giving vent to anger of oxidation tank air outlet 13 can not enter liquid search trough 14 through U-shaped pipe 15, thereby influence the quality of oxidation injector 2 and cyclic spray device 6 suction air; When but start-stop car or production are unstable, former technology is easy to part solution and emits back from the air scoop that advances of injector, cause the environmental pollution and the wasting of resources in order to reduce these solution that emit back, the air scoop 11 that advances that advances air scoop 16 and cyclic spray device of oxidation injector is communicated with liquid search trough 14, solution can enter liquid search trough 14 when solution sprays, U-shaped pipe 15 from the bottom enters oxidation tank air outlet 13 then, enters in the oxidation tank 10 again.
Claims (7)
1. the oxidation unit of ammonium sulfate is produced in a flue gas desulfurization, comprise oxidation pump (1) and be provided with the oxygen canister (10) of venting port (13), it is characterized in that: the wash plate (12) that described oxygen canister (10) bosom is provided with is divided into two cavitys with oxygen canister (10); Described oxidation pump (1) links to each other with the oxidation injector (2) that is arranged on oxygen canister (10) top by pipeline, and the oxidation injector outlet (3) that install described oxidation injector (2) bottom is arranged on the bottom of a cavity of oxygen canister (10); Described oxidation injector outlet (3) is arranged in the same cavity of oxygen canister (10) with the loop head (4) that is installed in oxygen canister (10) middle part; Described loop head (4) links to each other with the cyclic spray device (6) that is arranged on oxygen canister (10) top with recycle pump (5) successively by pipeline, and the cyclic spray device outlet (7) that install described cyclic spray device (6) bottom is arranged on the bottom of another cavity of oxygen canister (10); Described cyclic spray device outlet (7) is arranged in the same cavity of oxygen canister (10) with the liquid outlet (9) that is installed in oxygen canister (10) top; The outlet (7) of outlet of described oxidation injector (3) and cyclic spray device is respectively the sealing tube of at least two outlet openings; Outside with being set in venting port (13) respectively liquid search trough (14) links to each other the air scoop (11) that advances that advances air scoop (16) and cyclic spray device of described oxidation injector by pipeline, the upper end of described liquid search trough (14) links to each other with atmosphere, and the bottom of described liquid search trough (14) links to each other with venting port (13) by U-shaped pipe (15); Described oxidation injector (2) and cyclic spray device (6) are air self-suction formula injection structure; The air scoop (16) that advances of described oxidation injector is at least two; The air scoop (17) that advances of described cyclic spray device is at least two; Described oxidation injector (2) is at least two covers; Described cyclic spray device (6) is at least two covers.
2. the oxidation unit of ammonium sulfate is produced in flue gas desulfurization according to claim 1, it is characterized in that: the top of described dividing plate (12) is not less than 1/2nd places of oxygen canister (10).
3. the oxidation unit of ammonium sulfate is produced in flue gas desulfurization according to claim 2, it is characterized in that: the height of described liquid outlet (9) is lower than the height of dividing plate (12).
4. the device of ammonium sulfate is produced in flue gas desulfurization according to claim 1, it is characterized in that: described oxygen canister (10) inner transverse is provided with porous uniform board (8).
5. the device of ammonium sulfate is produced in flue gas desulfurization according to claim 4, it is characterized in that: described porous uniform board (8) is at least one.
6. the device of ammonium sulfate is produced in flue gas desulfurization according to claim 1, it is characterized in that: the air outlet of described oxidation injector (3) are parallel with horizontal plane.
7. the device of ammonium sulfate is produced in flue gas desulfurization according to claim 1, it is characterized in that: the air outlet of described cyclic spray device (7) are parallel with horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020549434 CN201842655U (en) | 2010-09-30 | 2010-09-30 | Oxidation device for preparing ammonium sulfate by desulfurizing flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020549434 CN201842655U (en) | 2010-09-30 | 2010-09-30 | Oxidation device for preparing ammonium sulfate by desulfurizing flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201842655U true CN201842655U (en) | 2011-05-25 |
Family
ID=44037551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020549434 Expired - Lifetime CN201842655U (en) | 2010-09-30 | 2010-09-30 | Oxidation device for preparing ammonium sulfate by desulfurizing flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201842655U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212348A (en) * | 2013-04-11 | 2013-07-24 | 浙江天蓝环保技术股份有限公司 | Ammonium sulfite oxidation process and device |
| CN117654256A (en) * | 2024-01-31 | 2024-03-08 | 四川凌耘建科技有限公司 | Normal pressure acid gas desulfurization device |
-
2010
- 2010-09-30 CN CN 201020549434 patent/CN201842655U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212348A (en) * | 2013-04-11 | 2013-07-24 | 浙江天蓝环保技术股份有限公司 | Ammonium sulfite oxidation process and device |
| CN103212348B (en) * | 2013-04-11 | 2016-04-06 | 浙江天蓝环保技术股份有限公司 | A kind of oxidation technology of ammonium sulfite and device |
| CN117654256A (en) * | 2024-01-31 | 2024-03-08 | 四川凌耘建科技有限公司 | Normal pressure acid gas desulfurization device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 453731 Xinxiang Economic Development Zone, Henan Province (Xiaoji Town) Patentee after: Henan Xinlianxin Chemical Industry Group Co., Ltd. Address before: 453731 Henan Xinxiang Economic Development Zone Xiaoji Town Henan Xinlianxin Chemical Fertilizer Co., Ltd. Patentee before: Henan XInlianxin Fertiliser Limited Company |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |