CN207591609U - A kind of tail gas treatment device lime material feeding device - Google Patents
A kind of tail gas treatment device lime material feeding device Download PDFInfo
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- CN207591609U CN207591609U CN201721690525.8U CN201721690525U CN207591609U CN 207591609 U CN207591609 U CN 207591609U CN 201721690525 U CN201721690525 U CN 201721690525U CN 207591609 U CN207591609 U CN 207591609U
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- treating column
- material feeding
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Abstract
The utility model discloses a kind of tail gas treatment device lime material feeding devices, including treating column, the second passage and nozzle, third passage is plugged at the top of the treating column, one end of the second passage is communicated at the top of the third passage, the other end of second passage is connected with motor, the top left side of second passage is communicated with the bottom of the first passage, the bottom of storage tank is communicated at the top of first passage, the outer wall of first passage is plugged with solenoid valve, and the bottom of the treating column is communicated with recovery tube.The utility model carries out real-time detectable concentration by nitric oxide detector, feed back to processor, speed of the motor according to concentration levels increase conveying milk of lime is controlled by processor, so that reaction is abundant, benefit offers several spray orifices by head of the nozzle, so that it is homogenized when spray, it is effective so that reaction is fully thorough, it is more practical, it is suitble to be widely popularized and uses.
Description
Technical field
The utility model is related to a kind of feeding device, more particularly to a kind of tail gas treatment device lime material feeding device.
Background technology
Concentrated nitric acid is strong oxidizer, and burning can be caused by meeting organic matter, sawdust etc..Concentrated nitric acid containing trace oxygen compound is almost
It can react with all metals in addition to aluminium and special steel containing chromium, and aluminium and the passivation of the vent in the sides of a garment of special steel containing chromium concentrated nitric acid and second
Alcohol, turpentine oil, coke, the reaction of organic disintegrating slag are very violent.Nitric acid is industrially mainly produced with ammonia oxidation, to manufacture
Chemical fertilizer, explosive, nitrate etc.；In organic chemistry, the mixed liquor of concentrated nitric acid and the concentrated sulfuric acid is important nitrating agent.Chemical formula
It is HNO3, concentrated hydrochloric acid and concentrated nitric acid by volume 3:The chloroazotic acid with strong corrosive can be made in 1 mixing, in nitric acid industry,
A large amount of tail gas can be generated after production, if direct emission can pollute air, utilizes milk of lime and the tail of nitric acid industry
Gas (contain NO, NO2) reaction, can cleaning of off-gas and the widely used Ca (NO2) 2 of acquisition, but produced in nitric acid industry
Tail gas concentration to have height to have low, can not implementing monitoring, lead to when processing that milk of lime feeding is inadequate, reaction caused not filled
Point, discharge gas, which is appointed, so pollutes air, therefore, it is proposed that a kind of tail gas treatment device lime material feeding device.
Utility model content
The main purpose of the utility model is that providing a kind of tail gas treatment device lime material feeding device, can effectively solve
It is low that the tail gas concentration certainly produced in nitric acid industry in background technology has height to have, can not implementing monitoring, cause processing when
Milk of lime feeding is inadequate, causes to react insufficient, and discharge gas appoints the problem of so being polluted to air.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of tail gas treatment device lime material feeding device, including treating column, the second passage and nozzle, the treating column
Top be plugged with third passage, one end of the second passage is communicated at the top of the third passage, described second leads
The other end of expects pipe is connected with motor, and the top left side of second passage is communicated with the bottom of the first passage, and described
The bottom of storage tank is communicated at the top of one passage, the outer wall of first passage is plugged with solenoid valve, the treating column
Bottom be communicated with recovery tube, the left side wall of the treating column is communicated with offgas duct, and the inner cavity of the offgas duct is equipped with an oxygen
Change nitrogen detector, the right side wall of the treating column is equipped with processor, the third passage be plugged in the inner cavity for the treatment of column and
It is communicated with nozzle.
Further, the inner cavity of second passage is equipped with shaft, and the outer wall of the shaft is equipped with helical blade,
The transmission shaft of the motor runs through the left side wall of the second passage and is fixedly connected with the left end of shaft.
Further, the bottom of the nozzle offers several spray orifices.
Further, the data output end of the nitric oxide detector is connected with the data input pin of processor, described
Signal input part of the signal output end of processor respectively with motor and solenoid valve is connect.
Further, the model 410 of the nitric oxide detector, the model mtk5692 of the processor.
Compared with prior art, the utility model has the advantages that：
1. the tail gas treatment device lime material feeding device of the utility model, is examined in real time by nitric oxide detector
Concentration is surveyed, feeds back to processor, speed of the motor according to concentration levels increase conveying milk of lime is controlled by processor so that anti-
Should be abundant, benefit.
2. the tail gas treatment device lime material feeding device of the utility model, several spray orifices are offered by head of the nozzle,
So that homogenized when spray, it is effective so that reaction is fully thorough.
3. the tail gas treatment device lime material feeding device of the utility model, by recovery tube by the material obtained after reaction into
Row recycles, energy saving to a certain extent.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model tail gas treatment device lime material feeding device；
Fig. 2 is the second passage inner-cavity structure schematic diagram of the utility model tail gas treatment device lime material feeding device；
Fig. 3 is the nozzle structure schematic diagram of the utility model tail gas treatment device lime material feeding device.
In figure：1st, treating column；2nd, solenoid valve；3rd, the second passage；4th, motor；5th, the first passage；6th, storage tank；7、
Third passage；8th, nozzle；9th, offgas duct；10th, processor；11st, recovery tube；12nd, nitric oxide detector；13rd, shaft；14、
Helical blade；15th, spray orifice.
Specific embodiment
To be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, below
With reference to specific embodiment, the utility model is expanded on further.
As shown in Figs. 1-3, a kind of tail gas treatment device lime material feeding device, including treating column 1,3 and of the second passage
Nozzle 8, the top of the treating column 1 are plugged with third passage 7, and the top of the third passage 7 is communicated with the second guide
One end of pipe 3, the other end of second passage 3 are connected with motor 4, and the top left side of second passage 3 is communicated with
The bottom of first passage 5, the top of first passage 5 are communicated with the bottom of storage tank 6, first passage 5
Outer wall is plugged with solenoid valve 2, and the bottom of the treating column 1 is communicated with recovery tube 11, and the left side wall of the treating column 1 is communicated with tail
Tracheae 9, the inner cavity of the offgas duct 9 are equipped with nitric oxide detector 12, and the right side wall of the treating column 1 is equipped with processing
Device 10, the third passage 7 are plugged in the inner cavity for the treatment of column 1 and are communicated with nozzle 8.
Wherein, the inner cavity of second passage 3 is equipped with shaft 13, and the outer wall of the shaft 13 is equipped with helical-blade
Piece 14, the transmission shaft of the motor 4 run through the left side wall of the second passage 3 and are fixedly connected with the left end of shaft 13, pass through spiral shell
Vane piece 14 under the drive of motor 4, can increase or slow down the flow of spray.
Wherein, the bottom of the nozzle 8 offers several spray orifices 15 so that is homogenized when spray.
Wherein, the data output end of the nitric oxide detector 12 is connected with the data input pin of processor 10, described
Signal input part of the signal output end of processor 10 respectively with motor 4 and solenoid valve 2 is connect.
Wherein, the model 410 of the nitric oxide detector 12, the model mtk5692 of the processor 10.
Operation principle：The nitric oxide concentration in tail gas is detected by nitric oxide detector 12 first, then
By data feedback to processor 10, then processor 10 controls motor 4 so that the speed of motor 4 is accelerated or slowed down so that stone
Grey lotion enters nozzle 8 along the first passage 5, the second passage 3 and third passage 7, is sprayed by spray orifice 15,
It is reacted with tail gas, obtains recuperable substance, when gas concentration is higher, increase the speed of motor 4 so that stream
Amount increases so that the reaction was complete, when gas concentration reduces, by slowing down motor speed so that obtains purer return
Substance is received, which answers, easy to operation, highly practical.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (5)
1. a kind of tail gas treatment device lime material feeding device, including treating column (1), the second passage (3) and nozzle (8),
It is characterized in that：Third passage (7) is plugged at the top of the treating column (1), is communicated at the top of the third passage (7)
One end of second passage (3), the other end of second passage (3) are connected with motor (4), second passage (3)
Top left side be communicated with the bottoms of the first passage (5), be communicated with storage tank (6) at the top of first passage (5)
Bottom, the outer wall of first passage (5) are plugged with solenoid valve (2), and the bottom of the treating column (1) is communicated with recovery tube
(11), the left side wall of the treating column (1) is communicated with offgas duct (9), and the inner cavity of the offgas duct (9) is equipped with nitric oxide inspection
Instrument (12) is surveyed, the right side wall of the treating column (1) is equipped with processor (10), and the third passage (7) is plugged in treating column
(1) inner cavity and it is communicated with nozzle (8).
2. tail gas treatment device lime material feeding device according to claim 1, it is characterised in that：Second passage
(3) inner cavity is equipped with shaft (13), and the outer wall of the shaft (13) is equipped with helical blade (14), the biography of the motor (4)
Moving axis runs through the left side wall of the second passage (3) and is fixedly connected with the left end of shaft (13).
3. tail gas treatment device lime material feeding device according to claim 1, it is characterised in that：The nozzle (8)
Bottom offers several spray orifices (15).
4. tail gas treatment device lime material feeding device according to claim 1, it is characterised in that：The nitric oxide inspection
The data output end for surveying instrument (12) is connected with the data input pin of processor (10), the signal output end point of the processor (10)
Signal input part not with motor (4) and solenoid valve (2) is connect.
5. tail gas treatment device lime material feeding device according to claim 1, it is characterised in that：The nitric oxide inspection
Survey the model 410 of instrument (12), the model mtk5692 of the processor (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721690525.8U CN207591609U (en) | 2017-12-07 | 2017-12-07 | A kind of tail gas treatment device lime material feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721690525.8U CN207591609U (en) | 2017-12-07 | 2017-12-07 | A kind of tail gas treatment device lime material feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207591609U true CN207591609U (en) | 2018-07-10 |
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ID=62764100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721690525.8U Active CN207591609U (en) | 2017-12-07 | 2017-12-07 | A kind of tail gas treatment device lime material feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207591609U (en) |
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2017
- 2017-12-07 CN CN201721690525.8U patent/CN207591609U/en active Active
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