CN216062542U - Fodder calcium phosphate tail gas washing device - Google Patents
Fodder calcium phosphate tail gas washing device Download PDFInfo
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- CN216062542U CN216062542U CN202122714025.6U CN202122714025U CN216062542U CN 216062542 U CN216062542 U CN 216062542U CN 202122714025 U CN202122714025 U CN 202122714025U CN 216062542 U CN216062542 U CN 216062542U
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Abstract
The utility model discloses a feed calcium phosphate tail gas washing device, and relates to the technical field of calcium phosphate tail gas washing. The device includes the scrubbing tower, scrubbing tower lateral wall sub-unit connection has the intake pipe, the scrubbing tower top has the tail gas fan through blast pipe connection, scrubbing tower bottom discharge gate has connected gradually the interim storage tank of washing liquid, washing liquid circulation storage tank, the intake pipe is including the vertical section and the slope section that connect gradually, be provided with a plurality of shower nozzles in the vertical section, vertical section direction of height evenly distributed is followed to the shower nozzle, slope section slope sets up downwards and is connected with the scrubbing tower lateral wall, the inside two-layer shower nozzle that sets up of scrubbing tower, the shower nozzle feed inlet has connected gradually the circulating pump, washing liquid circulation storage tank, the interim storage tank of washing liquid passes through the top overflow mouth and is connected with washing liquid circulation storage tank. Through set up the shower nozzle in the vertical section of intake pipe, tentatively spray the washing to tail gas, the rethread washing tower in the shower nozzle further spray the dust removal, dust content in greatly reduced post-treatment tail gas.
Description
Technical Field
The utility model relates to the technical field of calcium phosphate tail gas washing, in particular to a feed calcium phosphate tail gas washing device.
Background
The feed-grade calcium phosphate is prepared by feeding purified phosphoric acid and calcium carbonate emulsion into a granulator through a premixing reactor, mixing and granulating with returned materials in the granulator, drying, crushing, screening and cooling to obtain a product, wherein the generated tail gas is subjected to primary dust removal through a bag type dust remover, then is fed into a tail gas washing tower for spray washing, is continuously treated through secondary tail gas purification equipment, and is discharged after reaching the standard. In tail gas washing tower, easily because of the washing is incomplete, lead to the dust content too high in the tail gas after handling to make tail gas fan impeller go up the knot material, impeller corrosion seriously vibrates greatly, leads to fan impeller frequent change, seriously influences production efficiency, consequently, need to develop a washing more complete, can the greatly reduced washing in the tail gas feed calcium phosphate tail gas washing device of dust content.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a feed calcium phosphate tail gas washing device, which solves the problem that the content of dust in the treated tail gas is too high due to incomplete washing of the existing washing device.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a fodder calcium phosphate tail gas washing device which characterized in that: including the washing tower, washing tower lateral wall sub-unit connection has the intake pipe, the washing tower top has the tail gas fan through blast pipe connection, washing tower bottom discharge gate has connected gradually the interim storage tank of washing liquid, washing liquid circulation storage tank, the intake pipe is including the vertical section and the slope section that connect gradually, be provided with a plurality of shower nozzles in the vertical section, vertical section direction of height evenly distributed is followed to the shower nozzle, slope section slope sets up downwards and is connected with the washing tower lateral wall, the inside two-layer shower nozzle that sets up of washing tower, the shower nozzle feed inlet has connected gradually the circulating pump, washing liquid circulation storage tank, the interim storage tank of washing liquid passes through the top overflow mouth and is connected with washing liquid circulation storage tank.
The technical scheme is that the air inlet pipe is a glass steel pipe, 4-6 spray heads are arranged in the vertical section, and the spray heads are sequentially connected with the first control valve and the circulating pump through a liquid inlet pipe arranged on the side wall of the vertical section.
The further technical proposal is that the temporary storage tank of the washing liquid is a hollow cavity with an opening at the top, the lower part of the temporary storage tank is conical, and the bottom of the temporary storage tank is provided with a sewage outlet; the overflow pipe is connected with overflow mouth department at the lateral wall top of washing liquid temporary storage tank, and the overflow pipe bottom is located washing liquid circulation storage tank bottom.
A further technical scheme is that 6-8 spray heads located at the same height in the washing tower are uniformly distributed on the water inlet pipe, the water inlet pipe is annular and fixed on the inner side wall of the washing tower through a support, and the water inlet pipe is connected with the circulating pump through a second control valve.
The support comprises a cantilever beam, a supporting beam and a connecting rod, one end of the supporting beam is connected with the connecting rod, the other end of the supporting beam is connected with the middle of the cantilever beam, one end of the cantilever beam is connected with the connecting rod, the cantilever beam and the supporting beam form an acute angle, and the water inlet pipe is fixed at the top of the cantilever beam through a pipe hoop.
The working principle is as follows: tail gas generated in the feed calcium phosphate preparation system enters an air inlet pipe, after washing liquid sprayed out by a spray head at a vertical section of the air inlet pipe is flushed, part of dust-containing washed sewage enters a washing tower along an inclined section and enters a temporary washing liquid storage tank from a discharge hole at the bottom, and clarified washing liquid flows into a washing liquid circulating storage tank from an overflow port and is pumped into the spray head for recycling through a circulating pump. Simultaneously through the tail gas after preliminary washing also along the slope section get into the scrubbing tower in to under the action of tail gas fan toward the motion of scrubbing tower top blast pipe, shower nozzle in the scrubbing tower also spouts the washing liquid to tail gas this moment, both reverse motion, the washing liquid further takes away the dust in the tail gas, discharges from the bottom discharge gate, and the tail gas that contains the dust volume after the purification low gets into next purification link under the action of tail gas fan.
Compared with the prior art, the utility model has the beneficial effects that:
1. the spray head is arranged in the vertical section of the air inlet pipe, the tail gas is preliminarily sprayed and washed, part of dust is removed, and then the spray head in the washing tower is used for further spraying and dedusting, so that the dust content in the treated tail gas is greatly reduced, and the problem that the impeller is frequently replaced due to excessive dust in the tail gas is solved; the arrangement of the inclined section enables the washed sewage containing dust to enter the washing liquid storage tank through the washing tower more easily, and impurities are prevented from being deposited in the air inlet pipe.
2. The gas inlet pipe uses the glass steel pipe, and the corrosion of corrosive substances in the tail gas to the pipeline is greatly reduced.
3. Washing liquid passes through the interim storage tank of washing liquid and tentatively subsides, but the supernatant is for cyclic utilization washing liquid, but in overflow entering washing liquid circulation storage tank, carries out circulation and recycles, and the dust impurity who subsides is discharged through the drain of bottom regularly, improves the reuse efficiency of washing liquid.
4. The liquid inlet amount entering the spray head is controlled by a control valve. The water inlet pipe is reliably fixed in the washing tower through the triangular support, and the water inlet pipe is annular, so that the nozzles are uniformly distributed, and the spraying coverage of the water inlet pipe is more complete.
Drawings
Fig. 1 is a schematic block diagram of the structure of the present invention.
Fig. 2 is a schematic view showing the assembly of the inlet pipe according to the present invention.
In the figure: 1-a washing tower, 2-an air inlet pipe, 201-a vertical section, 202-an inclined section, 3-a washing liquid temporary storage tank, 301-a sewage draining outlet, 302-an overflow pipe, 4-a washing liquid circulating storage tank, 5-a spray head, 6-a circulating pump, 7-a liquid inlet pipe, 8-a first control valve, 9-a water inlet pipe, 10-a support, 1001-a cantilever beam, 1002-a support beam, 1003-a connecting rod and 11-a second control valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Fig. 1 shows a fodder calcium phosphate tail gas washing device, including scrubbing tower 1, 1 lateral wall sub-unit connection of scrubbing tower has intake pipe 2, intake pipe 2 is glass steel pipe, including vertical section 201 and the slope section 202 that connects gradually, be provided with 6 shower nozzles 5 in the vertical section 201, shower nozzle 5 is along vertical section 201 direction of height evenly distributed, every shower nozzle 5 all is connected with a feed liquor pipe 7, feed liquor pipe 7 passes through flange joint with vertical section 201, and be provided with first control valve 8 on the feed liquor pipe 7, feed liquor pipe 7 is connected with circulating pump 6. The inclined section 202 is arranged obliquely downwards, forms an angle of 100 degrees with the vertical section 201, and the bottom of the inclined section is connected with the side wall of the washing tower 1. The top of the washing tower 1 is connected with a tail gas fan through an exhaust pipe, and the tail gas fan is connected with a next-stage tail gas purification device. A discharge hole at the bottom of the washing tower 1 is sequentially connected with a temporary washing liquid storage tank 3 and a washing liquid circulating storage tank 4.
The washing liquid temporary storage tank 3 is a hollow cavity with an opening at the top, the lower part of the washing liquid temporary storage tank is conical, and the bottom of the washing liquid temporary storage tank is provided with a sewage outlet 301. An overflow pipe 302 is connected to the overflow port at the top of the side wall of the washing liquid temporary storage tank 3, and the bottom end of the overflow pipe 302 is positioned at the bottom of the washing liquid circulating storage tank 4. A liquid outlet pipe is arranged in the washing liquid circulating storage tank 4 and is connected with a circulating pump 6.
Two layers of spray heads 5 are arranged in the washing tower 1, 6 spray heads are arranged on each layer, and the spray heads 5 on each layer are uniformly distributed on the water inlet pipe 9. As shown in fig. 2, the water inlet pipe 9 is formed in a ring shape and fixed on the inner sidewall of the washing tower 1 by a bracket 10, and the water inlet pipe 9 is connected with the circulation pump 6 by a second control valve 11.
For the stability of reinforcing assembly, support 10 includes cantilever beam 1001, a supporting beam 1002, connecting rod 1003, and a supporting beam 1002 one end is connected with connecting rod 1003, and a supporting beam 1002 other end is connected with cantilever beam 1001 middle part, and cantilever beam 1001 one end is connected with connecting rod 1003, and cantilever beam 1001 makes 40 with a supporting beam 1002, and inlet tube 9 passes through the ferrule to be fixed at cantilever beam 1001 top. The top of the cantilever 1001 is provided with a plurality of ferrule holding holes. The inlet tube 9 structure of fixed two-layer shower nozzle 5 is the same, and the diameter ratio of the 9 rings of inlet tube on upper strata is less than lower floor, and shower nozzle 5 can set up according to the coverage area that sprays of reality, can incline certain angle setting, like 5 inside settings of slope of the shower nozzle 5 on lower floor, the shower nozzle slope 10 outside settings on upper strata.
During the use, tail gas that produces among the fodder calcium phosphate preparation system gets into in intake pipe 2, after the washing liquid that its vertical section 201 sprayed out through shower nozzle 5 drenches, the washing back sewage that part contains the dust gets into in washing tower 1 along slope section 202 to get into washing liquid temporary storage tank 3 from the discharge gate of bottom, the washing liquid after the clarification flows into in washing liquid circulation storage tank 4 from the overflow mouth, and is gone into shower nozzle 5 cyclic utilization once more by the pump of circulating pump 6. Simultaneously through the tail gas after preliminary washing also along slope section 202 entering scrubbing tower 1 in to under the tail gas fan effect toward the motion of scrubbing tower 1 top blast pipe, shower nozzle 5 in the scrubbing tower also spout the washing liquid and spray tail gas this moment, both reverse movements, the washing liquid further takes away the dust in the tail gas, discharges from the bottom discharge gate, and the tail gas that contains the dust volume after the purification low gets into next purification link under the tail gas fan effect.
Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More particularly, various variations and modifications are possible in the component parts and/or arrangements within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a fodder calcium phosphate tail gas washing device which characterized in that: comprises a washing tower (1), the lower part of the side wall of the washing tower (1) is connected with an air inlet pipe (2), the top of the washing tower (1) is connected with a tail gas fan through an exhaust pipe, a discharge port at the bottom of the washing tower (1) is sequentially connected with a washing liquid temporary storage tank (3) and a washing liquid circulating storage tank (4), the air inlet pipe (2) comprises a vertical section (201) and an inclined section (202) which are sequentially connected, a plurality of spray heads (5) are arranged in the vertical section (201), the spray heads (5) are uniformly distributed along the height direction of the vertical section (201), the inclined section (202) is obliquely and downwards arranged and connected with the side wall of the washing tower (1), two layers of spray heads (5) are arranged in the washing tower (1), and a circulating pump (6) is sequentially connected with a feed inlet of the spray heads (5), the washing liquid circulation storage tank (4), the washing liquid temporary storage tank (3) are connected with the washing liquid circulation storage tank (4) through the top overflow port.
2. The feed calcium phosphate tail gas washing device of claim 1, characterized in that: intake pipe (2) are glass steel pipe, are provided with 4 ~ 6 shower nozzles (5) in vertical section (201), and shower nozzle (5) are connected with first control valve (8), circulating pump (6) in proper order through feed liquor pipe (7) that set up on vertical section (201) lateral wall.
3. The feed calcium phosphate tail gas washing device of claim 1, characterized in that: the temporary washing liquid storage tank (3) is a hollow cavity with an opening at the top, the lower part of the temporary washing liquid storage tank is conical, and the bottom of the temporary washing liquid storage tank is provided with a sewage outlet (301); an overflow pipe (302) is connected to an overflow port at the top of the side wall of the temporary washing liquid storage tank (3), and the bottom end of the overflow pipe (302) is positioned at the bottom of the washing liquid circulating storage tank (4).
4. The feed calcium phosphate tail gas washing device of claim 1, characterized in that: shower nozzle (5) that are located the same height in scrubbing tower (1) are provided with 6 ~ 8, and evenly distributed is on inlet tube (9), and inlet tube (9) become cyclic annularly, fix on scrubbing tower (1) inside wall through support (10), and inlet tube (9) are connected with circulating pump (6) through second control valve (11).
5. The feed calcium phosphate tail gas washing device of claim 4, characterized in that: the support (10) comprises a cantilever beam (1001), a supporting beam (1002) and a connecting rod (1003), one end of the supporting beam (1002) is connected with the connecting rod (1003), the other end of the supporting beam (1002) is connected with the middle of the cantilever beam (1001), one end of the cantilever beam (1001) is connected with the connecting rod (1003), the cantilever beam (1001) and the supporting beam (1002) form an acute angle, and the water inlet pipe (9) is fixed to the top of the cantilever beam (1001) through a pipe hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122714025.6U CN216062542U (en) | 2021-11-08 | 2021-11-08 | Fodder calcium phosphate tail gas washing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122714025.6U CN216062542U (en) | 2021-11-08 | 2021-11-08 | Fodder calcium phosphate tail gas washing device |
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| CN216062542U true CN216062542U (en) | 2022-03-18 |
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| CN202122714025.6U Active CN216062542U (en) | 2021-11-08 | 2021-11-08 | Fodder calcium phosphate tail gas washing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114642960A (en) * | 2022-03-24 | 2022-06-21 | 云南弘祥化工有限公司 | Fireproof and deodorant sulfur-containing tail gas washing and purifying process |
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2021
- 2021-11-08 CN CN202122714025.6U patent/CN216062542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114642960A (en) * | 2022-03-24 | 2022-06-21 | 云南弘祥化工有限公司 | Fireproof and deodorant sulfur-containing tail gas washing and purifying process |
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