CN210934425U - Ammonia absorption device in converter production - Google Patents
Ammonia absorption device in converter production Download PDFInfo
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- CN210934425U CN210934425U CN201921491692.9U CN201921491692U CN210934425U CN 210934425 U CN210934425 U CN 210934425U CN 201921491692 U CN201921491692 U CN 201921491692U CN 210934425 U CN210934425 U CN 210934425U
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- box
- ammonia absorption
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Abstract
The utility model discloses an ammonia absorption device in converter production, which comprises an ammonia absorption box, a first spray tower and a second spray tower, wherein the left side wall and the right side wall of the ammonia absorption box are respectively provided with an ammonia inlet and an ammonia outlet, the ammonia inlet of the ammonia absorption box is connected with a waste gas pipeline in converter production, the top of the waste gas pipeline is provided with an explosion-proof pipe, and the top of the explosion-proof pipe is provided with an explosion-proof cover; the ammonia outlet of the ammonia absorption box is connected with the ammonia inlet at the lower part of the first spray tower, the ammonia outlet at the top of the first spray tower is connected with the ammonia inlet at the lower part of the second spray tower through a first trunk elbow, the ammonia outlet at the top of the second spray tower is connected with a chimney through a second trunk elbow, and the bottom of the second trunk elbow is provided with a draught fan; the device can utilize the ammonia water component after recovering the tail gas to the sewage workshop for treatment and adjustment of the acid ph value, and the purposes of reducing pollution and changing waste into valuables are achieved.
Description
Technical Field
The utility model relates to an ammonia absorption device in converter production, which belongs to the technical field of chemical waste gas.
Background
Phthalocyanine blue is a high-grade organic pigment, and is widely used in the industries of printing ink, paint, plastic cement, color paste and the like. The product has good stability, bright color, good dispersibility and high tinting strength. The company adopts a roasting method production process, takes phthalic anhydride, urea, cuprous chloride and the like as raw materials, and takes ammonium molybdate as a catalyst; the refined phthalocyanine blue product is produced through the processes of raw material reaction synthesis, crude product purification, grinding, refining, pigmentation, filter pressing, drying and the like. In the production process of the crude phthalocyanine blue, pollutant ammonia gas is generated in the process flow reaction of a converter, and in order to reduce ammonia gas emission, a set of ammonia absorption tower facilities is installed for reducing ammonia gas emission.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, and the technical problem that solve provides an ammonia absorption device in converter production, can utilize the aqueous ammonia composition after the recovery tail gas to the sour ph value of sewage workshop treatment regulation, reaches pollution abatement, changing waste into valuables's purpose.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
an ammonia absorption device in converter production comprises an ammonia absorption box, a first spray tower and a second spray tower, wherein an ammonia inlet and an ammonia outlet are respectively formed in the left side wall and the right side wall of the ammonia absorption box; the ammonia outlet of the ammonia absorption box is connected with the ammonia inlet at the lower part of the first spray tower, the ammonia outlet at the top of the first spray tower is connected with the ammonia inlet at the lower part of the second spray tower through a first trunk elbow, the ammonia outlet at the top of the second spray tower is connected with a chimney through a second trunk elbow, and the bottom of the second trunk elbow is provided with a draught fan;
the ammonia absorption box comprises a dust collection box at the lower part and a settling box at the upper part, a plurality of partitions are arranged in the settling box, the partitions are alternately arranged on the front and rear opposite side walls of the settling box, one end of each partition is connected with the corresponding side wall, the length of each partition is greater than half of the distance between the front and rear opposite side walls of the settling box, and the top of each partition is connected with the top of the inner wall of the settling box;
the upper parts of the first spray tower and the second spray tower are respectively provided with a spray pipe and a high-pressure spray head, the middle parts of the first spray tower and the second spray tower are respectively provided with a filter material layer, the bottoms of the first spray tower and the second spray tower are respectively provided with a spray liquid outlet, the spray liquid outlets are connected with a spray liquid pool, the top of the spray liquid pool is provided with an overflow port, and the bottom of the spray liquid pool is provided with a sludge outlet; the overflow port is connected with a spraying liquid storage tank, and the spraying liquid storage tank is connected with a spraying pipe and a high-pressure nozzle through a booster pump; the spraying liquid storage tank is connected with a sewage workshop and is also provided with a spraying liquid supply port.
Preferably, the number of the partition plates is 20 to 30.
Preferably, the dust collection box is connected with the settling box through a clamp, a telescopic dust collection plate is arranged at the top in the dust collection box, a horizontal hole and a horizontal brush are arranged on one side of the top of the dust collection box, the telescopic dust collection plate is inserted into the horizontal hole, the horizontal brush is arranged above the horizontal hole, and the bottom of bristles of the horizontal brush is in contact with the upper surface of the telescopic dust collection plate.
Preferably, the length of the partition board is 2/3-4/5 of the distance between the front and back two opposite side walls of the ammonia absorption tank.
Compared with the prior art, the utility model following beneficial effect has.
The device comprises an absorption tower, an induced draft fan, a pipeline and a liquid storage tank, wherein in order to ensure the normal and continuous full consideration of an absorption system, the absorbed waste gas continuously flows upwards to the filter material layer in the second spray tower to react with the neutralizing liquid sprayed by the high-pressure spray head through the contact of the filter material layer in the first spray tower and the neutralizing liquid sprayed by the high-pressure spray head, and then the neutralizing reaction is carried out again, so that the environmental protection requirement is met. Reducing the discharge amount of ammonia gas and achieving the environment-friendly and clean production.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic view of the dust box structure of the device of the present invention.
Fig. 4 is a sectional view taken along line B-B of fig. 3.
In the figure: the device comprises a first spray tower 1, a second spray tower 2, an ammonia absorption box 3, a waste gas pipeline 4, an explosion-proof pipe 5, an explosion-proof cover 6, a first trunk elbow 7, a second trunk elbow 8, a chimney 9, an induced draft fan 10, a dust collection box 11, a settling box 12, a partition plate 13, a telescopic dust collection plate 15, a horizontal brush 17, a support 18, a spray pipe 21, a high-pressure spray head 22, a spray liquid outlet 23, a spray liquid pool 24, an overflow port 25, a sludge outlet 26, a spray liquid storage tank 27, a booster pump 28, a spray liquid supply port 29, a filter material layer 30, an induced draft fan 31 and a sewage workshop 32.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1
An ammonia absorption device in converter production comprises an ammonia absorption box 3, a first spray tower 1 and a second spray tower 2, wherein the length of the ammonia absorption box is 3.8 meters, the front and back widths of the ammonia absorption box are 2.5 meters, and the height of the ammonia absorption box is 1.6 meters, an ammonia inlet and an ammonia outlet are respectively arranged on the left side wall and the right side wall of the ammonia absorption box 3, the ammonia inlet of the ammonia absorption box 3 is connected with a waste gas pipeline 4 for converter production, an explosion-proof pipe 5 is arranged at the top of the waste gas pipeline, and an explosion-proof cover 6 is arranged at the top of the explosion-proof pipe; an ammonia outlet of the ammonia absorption box 3 is connected with an ammonia inlet at the lower part of the first spray tower 1, an ammonia outlet at the top of the first spray tower 1 is connected with an ammonia inlet at the lower part of the second spray tower 2 through a first trunk elbow 7, an ammonia outlet at the top of the second spray tower 2 is connected with the bottom of a chimney 9 through a second trunk elbow 8, and the bottom of the second trunk elbow 9 is provided with an induced draft fan 10;
the ammonia absorption box 3 comprises a dust collection box 11 at the lower part and a settling box 12 at the upper part, a plurality of partition plates 13 are arranged in the settling box 12, 25 partition plates are preferably arranged, the thickness of each partition plate 13 is 0.5m, the 25 partition plates 13 are alternately arranged on the front and rear opposite side walls of the settling box 12, one end of each partition plate 13 is connected with the corresponding side wall, the length of each partition plate 13 is greater than half of the distance between the front and rear opposite side walls of the settling box 12, and the top of each partition plate 13 is connected with the top of the inner wall of the settling box 12;
the upper parts in the first spray tower 1 and the second spray tower 2 are both provided with a spray pipe 21 and a high-pressure spray head 22, the middle parts are both provided with a filter material layer 30, the bottoms are both provided with spray liquid outlets 23, the spray liquid outlets 23 are connected with a spray liquid pool 24, the top of the spray liquid pool 24 is provided with an overflow port 25, and the bottom of the spray liquid pool is provided with a sludge outlet 26; the overflow port 25 is connected with a spraying liquid storage tank 27, and the spraying liquid storage tank 27 is connected with a spraying pipe 21 and a high-pressure nozzle 22 through a booster pump 28; the spraying liquid storage tank 27 is connected with a sewage workshop 32, and the spraying liquid storage tank 27 is also provided with a spraying liquid supplementing port 29.
The dust collection box 11 and the settling box 12 are connected through a clamp, a telescopic dust collection plate 15 is arranged at the top in the dust collection box 11, a horizontal hole and a horizontal brush 17 are arranged on one side of the top of the dust collection box, the telescopic dust collection plate 15 is inserted into the horizontal hole, the horizontal brush 17 is arranged above the horizontal hole, and the bottom of bristles of the horizontal brush 17 is in contact with the upper surface of the telescopic dust collection plate 15. The retractable dust collecting plate is horizontally disposed in the dust box 11 through a plurality of brackets 18 horizontally disposed on a side wall of the dust box 11.
The length of the partition plate 13 is 2/3-4/5 of the distance between the front and back opposite side walls of the ammonia absorption tank.
The first trunk elbow and the second trunk elbow are both provided with exhaust fans 31.
In actual use, gas containing ammonia gas, dust, smoke dust, impurities and the like generated in the production of the converter enters the ammonia absorption box from the ammonia gas inlet, a plurality of partition plates are arranged in the box body, the gas passes through an M-shaped channel formed by the partition plates in the ammonia absorption box, the M-shaped channel forms wind pressure resistance to cause the precipitation of particles in the body of the gas, and the precipitated particles enter the dust collection box to be collected. In order to prevent dust in the dust collection box from raising dust in the air flow passing process, a telescopic dust collection plate is arranged at the top of the dust collection box, the telescopic dust collection plate is opened and closed at regular time, and dust particles on the upper surface of the telescopic dust collection plate are swept into the dust collection box through a horizontal brush and then are closed. The settling effect of dust particles in the gas is improved.
The settled gas contacts and reacts with the neutralizing liquid sprayed out by the high-pressure spray head through the filter material layer in the first spray tower, and the absorbed waste gas continuously flows upwards to the filter material layer in the second spray tower to react with the neutralizing liquid sprayed out by the high-pressure spray head, so that the environmental protection requirement is met. The filter material layer effectively filters impurities in the spraying waste liquid, and is replaced at regular intervals, simple and convenient.
The high-pressure spray liquid sprayed by the high-pressure spray head is high in pressure, and has a back-flushing function, the filter material layer and the inner walls of the first spray tower and the second spray tower are back-flushed by the high-pressure spray liquid, so that the impurities are prevented from being solidified and adhered to the wall, the accumulated impurities in the filter material layer and the tower are melted and cleaned, sludge discharge is facilitated, and the device does not need to be stopped for inspection.
The sprayed spraying waste liquid enters the spraying liquid pool from the spraying liquid outlet, and the lower part of the spraying liquid pool is provided with a sludge outlet, so that sludge is favorably sunk into the lower part to be discharged. When spraying the waste liquid and amassing, the overflow mouth that sprays liquid cell body upper portion gets into and sprays the liquid storage tank, sprays the liquid that sprays of liquid storage tank and further gets into the tower body and spray the use, sprays liquid recycle, prevents the material waste in the production, saves manufacturing cost. The spraying liquid storage tank is connected with a sewage workshop, and when the concentration of ammonia in the spraying liquid is high enough, the spraying liquid is pumped into the sewage workshop through a pipeline to adjust the acid ph value.
Set up exhaust system through the device different regions, introduce the absorption tower to the waste gas that contains ammonia that produces in the production process and wash the absorption, squeeze into the sewage workshop through the pipeline after the processing and adjust sour ph value, reduce sewage treatment and use alkali volume, reach energy saving and consumption reduction purpose.
The ammonia water has strong corrosivity, the liquid storage tank must be made of corrosion-resistant materials, and the pump body is made of acid-resistant and alkali-resistant materials. Acid and alkali proof facilities are needed to be used for pumping into the sewage plant pipeline.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. An ammonia absorption device in converter production is characterized by comprising an ammonia absorption box, a first spray tower and a second spray tower, wherein an ammonia inlet and an ammonia outlet are respectively formed in the left side wall and the right side wall of the ammonia absorption box; the ammonia outlet of the ammonia absorption box is connected with the ammonia inlet at the lower part of the first spray tower, the ammonia outlet at the top of the first spray tower is connected with the ammonia inlet at the lower part of the second spray tower through a first trunk elbow, the ammonia outlet at the top of the second spray tower is connected with a chimney through a second trunk elbow, and the bottom of the second trunk elbow is provided with a draught fan;
the ammonia absorption box comprises a dust collection box at the lower part and a settling box at the upper part, a plurality of partitions are arranged in the settling box, the partitions are alternately arranged on the front and rear opposite side walls of the settling box, one end of each partition is connected with the corresponding side wall, the length of each partition is greater than half of the distance between the front and rear opposite side walls of the settling box, and the top of each partition is connected with the top of the inner wall of the settling box;
the upper parts of the first spray tower and the second spray tower are respectively provided with a spray pipe and a high-pressure spray head, the middle parts of the first spray tower and the second spray tower are respectively provided with a filter material layer, the bottoms of the first spray tower and the second spray tower are respectively provided with a spray liquid outlet, the spray liquid outlets are connected with a spray liquid pool, the top of the spray liquid pool is provided with an overflow port, and the bottom of the spray liquid pool is provided with a sludge outlet; the overflow port is connected with a spraying liquid storage tank, and the spraying liquid storage tank is connected with a spraying pipe and a high-pressure nozzle through a booster pump; the spraying liquid storage tank is connected with a sewage workshop and is also provided with a spraying liquid supply port.
2. The ammonia absorption device in the converter production according to claim 1, wherein the number of the partition plates is 20-30.
3. The ammonia absorption device in the converter production according to claim 1, wherein a telescopic dust collection plate is arranged at the top of the dust collection box, a horizontal hole and a horizontal brush are arranged at one side of the top of the dust collection box, the telescopic dust collection plate is inserted into the horizontal hole, the horizontal brush is arranged above the horizontal hole, and the bottom of the brush hair of the horizontal brush is in contact with the upper surface of the telescopic dust collection plate.
4. The ammonia absorption device in the converter production according to claim 1, wherein the length of the partition board is 2/3-4/5 of the distance between the front and back opposite side walls of the ammonia absorption tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491692.9U CN210934425U (en) | 2019-09-09 | 2019-09-09 | Ammonia absorption device in converter production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491692.9U CN210934425U (en) | 2019-09-09 | 2019-09-09 | Ammonia absorption device in converter production |
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| CN210934425U true CN210934425U (en) | 2020-07-07 |
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| CN201921491692.9U Active CN210934425U (en) | 2019-09-09 | 2019-09-09 | Ammonia absorption device in converter production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228902A (en) * | 2022-07-21 | 2022-10-25 | 洋耳科技(杭州)有限公司 | Skid-mounted hazardous waste and solid waste treatment equipment and method |
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2019
- 2019-09-09 CN CN201921491692.9U patent/CN210934425U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115228902A (en) * | 2022-07-21 | 2022-10-25 | 洋耳科技(杭州)有限公司 | Skid-mounted hazardous waste and solid waste treatment equipment and method |
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