CN201357035Y - Recovery processing circulating device of acid waste gas - Google Patents
Recovery processing circulating device of acid waste gas Download PDFInfo
- Publication number
- CN201357035Y CN201357035Y CNU2008202383361U CN200820238336U CN201357035Y CN 201357035 Y CN201357035 Y CN 201357035Y CN U2008202383361 U CNU2008202383361 U CN U2008202383361U CN 200820238336 U CN200820238336 U CN 200820238336U CN 201357035 Y CN201357035 Y CN 201357035Y
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- CN
- China
- Prior art keywords
- waste gas
- gas absorption
- accumulator tank
- acid waste
- exhaust gas
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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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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model provides a recovery processing circulating device of acid waste gas, which can recycle the acid gas in an acid pickling product line after the recovery processing. The waste gas is not discharged into the atmosphere and the zero release of the waste gas can be reached. The circulating device comprises a fan and a waste gas absorbing device which comprises a waste gas absorbing tower. The gas transmission pipeline of the fan is connected with the waste gas absorbing tower. The utility model is characterized in that the waste gas absorbing device further comprises a reclaiming groove. The reclaiming groove is connected with the lower part of the waste gas absorbing tower and a blending device by the pipeline. The blending device is connected with the acid pickling product line.
Description
(1) technical field
The utility model relates to the waste gas treatment equipment field, is specially a kind of recycling EGR of acid waste gas.
(2) background technology
The acid waste gas treating apparatus is the waste gas tower in the pickler of metallurgy industry at present, it is that the acid waste gas that will produce in the acid cleaning process sucks purifying column with blower fan, in purifying column, directly enter in the atmosphere with behind the alkali lye spray, such processing procedure had both needed to consume a large amount of alkaline resources, can not guarantee the compliance rate of waste gas again, still environment be polluted.
(3) summary of the invention
At the problems referred to above, the utility model provides a kind of recycling EGR of acid waste gas, and it can continue sour gas recycling back recycling in pickling lines, has guaranteed that waste gas does not enter atmosphere, reaches the waste gas zero-emission.
Its technical scheme is such: it comprises blower fan, exhaust gas absorption device, described exhaust gas absorption device comprises waste gas absorption tower, the gas pipeline of described blower fan connects described waste gas absorption tower, it is characterized in that: described exhaust gas absorption device also comprises accumulator tank, described accumulator tank is connected with described waste gas absorption tower lower pipeline and is connected with the blending device pipeline, and described blending device is connected with pickling lines.
It is further characterized in that: described exhaust gas absorption device is provided with two covers, is respectively one-level absorption plant and sponge oil unit; Described two cover exhaust gas absorption device are connected in series; Described two waste gas absorption towers connect; The accumulator tank of described two cover exhaust gas absorption device has two respectively, forms closed circuit with corresponding described waste gas absorption tower respectively after described two accumulator tank parallel connections; Described accumulator tank is corresponding to be connected; The accumulator tank of described one-level absorption plant is connected with blending device; Be separately installed with acidometer in the accumulator tank of described one-level absorption plant; The waste gas absorption tower rear portion of described secondary exhaust gas absorption device also is connected with gas-liquid separator; Described gas-liquid separator gas outlet connects into pickling lines, and its delivery port connects the adapted tank; Described adapted tank is connected with the accumulator tank of described secondary exhaust gas absorption device.
Use the recycling EGR of the utility model acid waste gas, its beneficial effect is: its energy waste gas recycling, accomplish the waste gas zero-emission, and can reach environmental requirement, can play the effect that economizes on resources, reduces production costs again.
(4) description of drawings
Fig. 1 is the utility model apparatus structure schematic diagram.
(5) specific embodiment
See Fig. 1, the utility model comprises blower fan 1, exhaust gas absorption device, and exhaust gas absorption device comprises waste gas absorption tower and accumulator tank, and blower fan 1 pipeline connects waste gas absorption tower, accumulator tank is connected with the waste gas absorption tower lower pipeline and is connected with blending device 3 pipelines, and blending device 3 is connected with pickling lines 4.Exhaust gas absorption device is provided with two covers in the utility model, is respectively one-level absorption plant and sponge oil unit; Wherein the one-level absorption plant comprises that one-level waste gas absorption tower 2,6,7, accumulator tanks of accumulator tank, 6,7 backs in parallel form closed circuits with one-level waste gas absorption tower 2; Sponge oil unit comprises secondary waste gas absorption tower 9, secondary recovery groove 10,11, and closed circuit is formed with secondary waste gas absorption tower 9 in secondary recovery groove 10,11 backs in parallel; Two cover exhaust gas absorption device are connected in series; One-level waste gas absorption tower 2 is connected with secondary waste gas absorption tower 9; Accumulator tank 6 and secondary recovery groove 10, an accumulator tank 7 and secondary recovery groove 11 is corresponding respectively is connected; Be separately installed with acidometer 5 in the accumulator tank 6,7, the accumulator tank 6,7 of one-level absorption plant also is connected with blending device 3 respectively; The waste gas absorption tower rear portion of secondary exhaust gas absorption device also is connected with gas-liquid separator 8; Gas-liquid separator 8 gas outlets connect into pickling lines 4, and its delivery port connects adapted tank 12; Adapted tank 12 is connected with the secondary recovery groove 10,11 of described secondary exhaust gas absorption device, and the arrow among the figure is represented the trend of waste gas.
Describe the course of work of the present utility model below in conjunction with accompanying drawing: the acid mist gas that pickling lines 4 produces is inhaled into by blower fan 1 and carries out the absorption of cold water spray in the one-level waste gas absorption tower 1, the very fast formation acid solution soluble in water of acid mist gas also flows into an accumulator tank 6 (or 7), an accumulator tank 6,7 take turns and change jobs, the acidometer that is installed in the accumulator tank 6 (or 7) detects acid solution, when acid strength reaches 10%～15%, one time accumulator tank 6 is closed the feed liquor valve automatically and is opened the valve that is connected with blending device 3, it is that to be hybridly prepared into concentration be to carry back pickling lines continuation use by pipeline after 25% the acid solution for 30%～33% acid solution that acid solution enters blending device 3 and concentration, when acid strength is lower than 10%, one time accumulator tank 6 interior acid solutions are back in the one-level waste gas absorption tower 2 and absorb with acid mist gas once more as shower water, acid solution enters accumulator tank 6 and carries out concentration again and detect then, and concentration reaches 10%～15% o'clock acid solution and enters blending device; And this moment, an accumulator tank 7 carried out work, and 2 accumulator tanks 7 of acid solutions inflow that absorbed carry out the concentration detection of acid solution in the waste gas absorption tower, as accumulator tank 6 repetitive cycling job; The one-level exhaust gas absorption device reaches about 80% for the absorptivity of acid mist gas, absorb handling acid mist gas enters the secondary waste gas absorption tower that is connected with one-level waste gas absorption tower 2 and carries out secondary spraying and absorb, its circulation absorption process is identical with the one-level exhaust gas absorption device, because the systemic acid mist gas flow of secondary waste gas absorption tower is few, acid strength after it absorbs through spray is lower, when its concentration reaches 2%～3% in the secondary recovery groove 10 (or 11), accumulator tank feed liquor valve cuts out acid solution automatically and enters an accumulator tank 6 (or 7) that is attached thereto, mixes with the acid solution in the accumulator tank 6 (or 7) and to carry out concentration detection, if concentration reaches 10%～15% then be admitted to blending device 3 and be mixed, if concentration is lower than 10% then be back to the spray that waste gas absorption tower 2 enters once more and absorb; The acid mist gas that in secondary waste gas absorption tower 9, does not also absorb fully, can enter the gas-liquid separator 8 that is attached thereto and carry out last separate absorbent, isolated air is sent into pickling lines via air outlet, can strengthen the flowability of workshop air, improve the quality of workshop air, acid solution after the separate absorbent enters adapted tank 12 through delivery port, enter the secondary recovery groove 10 (or 11) that is connected with adapted tank 12 again, carry out the concentration detection after mixing with the acid solution in the secondary recovery groove 10 (or 11), if concentration reaches 2%～3%, then acid solution is sent in the accumulator tank 6 (or 7), if concentration is lower than 2% then be back in the secondary waste gas absorption tower as spray liquid and continue to absorb.The above course of work moves in circles.
The utility model device mainly can be handled HCL, HF, H
2SO
4, NaOH, H
2Water-soluble gas such as S according to different gas, adopt different absorbents.
Claims (10)
1, a kind of recycling EGR of acid waste gas, it comprises blower fan, exhaust gas absorption device, described exhaust gas absorption device comprises waste gas absorption tower, the gas pipeline of described blower fan connects described waste gas absorption tower, it is characterized in that: described exhaust gas absorption device also comprises accumulator tank, described accumulator tank is connected with described waste gas absorption tower lower pipeline and is connected with the blending device pipeline, and described blending device is connected with pickling lines.
2, according to the recycling EGR of the described a kind of acid waste gas of claim 1, it is characterized in that: described exhaust gas absorption device is provided with two covers, is respectively one-level absorption plant and sponge oil unit, and described two cover exhaust gas absorption device are connected in series.
3, according to the recycling EGR of the described a kind of acid waste gas of claim 2, it is characterized in that: two waste gas absorption towers of described two cover exhaust gas absorption device connect.
4, according to the recycling EGR of the described a kind of acid waste gas of claim 3, it is characterized in that: the accumulator tank of described two cover exhaust gas absorption device has two respectively, forms closed circuit with corresponding described waste gas absorption tower respectively after described two accumulator tank parallel connections.
5, according to the recycling EGR of the described a kind of acid waste gas of claim 4, it is characterized in that: described accumulator tank is corresponding to be connected.
6, according to the recycling EGR of the described a kind of acid waste gas of claim 5, it is characterized in that: the accumulator tank of described one-level absorption plant is connected with blending device.
7, according to the recycling EGR of the described a kind of acid waste gas of claim 6, it is characterized in that: be separately installed with acidometer in the accumulator tank of described one-level absorption plant.
8, according to the recycling EGR of the described a kind of acid waste gas of claim 7, it is characterized in that: the waste gas absorption tower rear portion of described secondary exhaust gas absorption device also is connected with gas-liquid separator.
9, the recycling EGR of described a kind of acid waste gas according to Claim 8, it is characterized in that: described gas-liquid separator gas outlet connects into pickling lines, and its delivery port connects adapted tank.
10, according to the recycling EGR of the described a kind of acid waste gas of claim 9, it is characterized in that: described adapted tank is connected with the accumulator tank of described secondary exhaust gas absorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202383361U CN201357035Y (en) | 2008-12-23 | 2008-12-23 | Recovery processing circulating device of acid waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202383361U CN201357035Y (en) | 2008-12-23 | 2008-12-23 | Recovery processing circulating device of acid waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201357035Y true CN201357035Y (en) | 2009-12-09 |
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ID=41422792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202383361U Expired - Lifetime CN201357035Y (en) | 2008-12-23 | 2008-12-23 | Recovery processing circulating device of acid waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201357035Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101601957A (en) * | 2008-12-23 | 2009-12-16 | 匡优新 | A kind of recycling EGR of acid waste gas of improvement |
-
2008
- 2008-12-23 CN CNU2008202383361U patent/CN201357035Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101601957A (en) * | 2008-12-23 | 2009-12-16 | 匡优新 | A kind of recycling EGR of acid waste gas of improvement |
| CN101601957B (en) * | 2008-12-23 | 2013-06-19 | 匡优新 | Improved device for recovering, processing and recycling acidic waste gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuxi Xingyi Coating Environmental Protection Equipment Co., Ltd. Assignor: Kuang Youxin Contract record no.: 2011990000165 Denomination of utility model: Recovery processing circulating device of acid waste gas Granted publication date: 20091209 License type: Exclusive License Record date: 20110316 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20091209 Effective date of abandoning: 20081223 |
|
| RGAV | Abandon patent right to avoid regrant |