CN211799739U - A tail gas sprays processing apparatus for aluminium oxide production process - Google Patents
A tail gas sprays processing apparatus for aluminium oxide production process Download PDFInfo
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- CN211799739U CN211799739U CN202020113397.6U CN202020113397U CN211799739U CN 211799739 U CN211799739 U CN 211799739U CN 202020113397 U CN202020113397 U CN 202020113397U CN 211799739 U CN211799739 U CN 211799739U
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- tower body
- shower
- production process
- tail gas
- spraying
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Abstract
The utility model discloses a tail gas sprays processing apparatus for aluminium oxide production process, including base, tower body, shower and water smoke removal device, the upper end at the base is installed to the tower body, be equipped with the inlet port on the lateral wall of tower body, the below of inlet port is equipped with fluid infusion hole and liquid outlet, the liquid outlet is located the below in fluid infusion hole, and liquid outlet department is equipped with the PH measuring apparatu, the top of inlet port is equipped with the shower, the shower passes through the flange and is fixed with the tower body, is equipped with the shower nozzle that is located the tower body on the shower, and the shower passes through the circulating pump to be connected with liquid outlet, the below of inlet port is equipped with the level gauge fixed with the tower body, the lower extreme of tower body even has the blow-off pipe, the upper end gas outlet department of. The nanometer solid particles in the waste gas can be settled and the acid gas can be absorbed by spraying, so that the particles and the acid gas can be treated simultaneously, the emission standard is met, and the environment is protected.
Description
Technical Field
The utility model relates to a chemical production dust removal technical field specifically is a tail gas sprays processing apparatus for aluminium oxide production process.
Background
Alumina is a stable oxide of aluminum, with the formula Al2O3. Also known as bauxite in mining, ceramics and materials science.
A large amount of particles can be generated in the production process of aluminum oxide, the conventional treatment mode is that a cloth bag for collecting dust is additionally arranged at the tail end of tail gas, however, nano-scale fine particles appear in the waste gas along with the improvement of the production process, the fine particles can penetrate through the cloth bag to be discharged into the atmosphere, the environment is polluted, the recovery rate of products is reduced, in addition, when the tail gas contains acid gas, the acid gas in the waste gas cannot be removed by the conventional cloth bag dust removal mode, and the environment is seriously polluted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses be exactly the above-mentioned not enough to prior art exists, the utility model provides a tail gas sprays processing apparatus for aluminium oxide production process, can subside the nanometer solid particle in the waste gas and absorb acid gas through spraying, remove the water smoke device and can absorb remaining nanometer particulate matter and water smoke in the waste gas, the simultaneous processing to particulate matter and acid gas has been realized, emission standard has not only been satisfied, the environment has been protected, but also can reduce the waste of product, realize the recycle of product, and the cost is reduced.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a tail gas sprays processing apparatus for aluminium oxide production process, includes base, tower body, shower and removes the water smoke device, the tower body is installed in the upper end of base, is equipped with in the tower body and sprays liquid, be equipped with the inlet port on the lateral wall of tower body, the below of inlet port is equipped with fluid infusion hole and goes out the liquid hole, it is located the below in fluid infusion hole to go out the liquid hole, and it is equipped with the PH measuring apparatu to go out liquid hole department, the top of inlet port is equipped with the shower, the shower passes through the flange to be fixed with the tower body, is equipped with the shower nozzle that is located the tower body on the shower, and the shower passes through the circulating pump to be connected with liquid hole, the below of inlet port is equipped with the level gauge fixed with the tower body.
Preferably, the bottom of the tower body is funnel-shaped.
Preferably, a manhole is arranged at the position, close to the base, of the tower body.
Preferably, a liquid level observation hole and a spraying observation hole are formed in the side wall of the tower body, the liquid level observation hole and the liquid supplementing hole are equal in height, and the spraying observation hole is opposite to the spraying pipe.
Preferably, the liquid level meter is a magnetic turning plate liquid level meter.
Preferably, the water mist removing device is a wire mesh mist eliminator.
Preferably, the number of the spray pipes is multiple, the spray pipes are arranged up and down, the spray angle of a single spray head is 120 degrees, the spray amount is 60L/min, and the spray pressure is 0.4 MPa.
Preferably, the spray liquid is pure water.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a spray can subside the nanometer solid particle in the waste gas and absorb acid gas, remove the water smoke device and can absorb remaining nanometer particulate matter and water smoke in the waste gas, realized handling simultaneously particulate matter and acid gas, not only satisfied emission standard, protected the environment, but also can reduce the waste of product, realize the recycle of product, the cost is reduced.
2. The utility model discloses with the bottom design of tower body for leaking hopper-shaped, the ejection of compact of being convenient for improves the thoroughness of arranging the material.
3. The utility model discloses a liquid that sprays is the pure water, subsides particulate matter and absorption acid gas through the pure water, and pure water cost is lower on the one hand, and on the other hand, weak acid solution after absorbing acid gas can carry out reuse, the cost is reduced once more.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1-a base; 2-a discharge pipe; 3-a manhole; 4-liquid outlet holes; 5-liquid level observation hole; 6-fluid infusion hole; 7-a liquid level meter; 8-a tower body; 9-air inlet holes; 10-a water mist removing device; 11-spraying observation holes; 12-a spray pipe; 13-mounting flange.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, a tail gas spray treatment device for an aluminum oxide production process comprises a base 1, a tower body 8, spray pipes 12 and a water mist removing device 10, wherein the tower body 8 is installed at the upper end of the base 1 and used for supporting the tower body 8, pure water spray liquid is arranged at the bottom of the tower body 8, the tower body 8 and the base 1 are welded and fixed, an air inlet 9 is arranged on the side wall of the tower body 8, a liquid replenishing hole 6 and a liquid outlet 4 are arranged below the air inlet 9, the liquid outlet 4 is arranged below the liquid replenishing hole 6, a PH measuring instrument is arranged at the position of the liquid outlet 4, a probe of the measuring instrument is positioned in the liquid outlet 4, a display of the measuring instrument is positioned outside the tower body 8, the spray pipes 12 are arranged above the air inlet 9, the spray pipes 12 are provided in multiple numbers, the spray pipes 12 are arranged up and down, four spray pipes are provided in, the spray pipe 12 is fixed by the bolt connection between the fixed flange and the mounting flange 13, the spray pipe 12 is connected with the liquid outlet hole 4 through the circulating pump, a spray head positioned in the tower body 8 is arranged on the spray pipe 12, the spray angle of a single spray head is 120 degrees, the spray amount is 60L/min, the spray pressure is 0.4MPa, a liquid level meter 7 fixed with the tower body 8 is arranged below the air inlet hole 9, the lower end of the tower body 8 is connected with a discharge pipe 2, and a water mist removing device 10 is arranged at an air outlet at the upper end of the tower body 8.
In order to facilitate discharging, the bottom of the tower body 8 is designed into a funnel-shaped structure.
The tower body 8 is provided with a manhole 3 near the base 1.
In order to observe the internal condition of the tower body 8 conveniently, a liquid level observation hole 5 and a spraying observation hole 11 are arranged on the side wall of the tower body 8, the positions of the liquid level observation hole 5 and the liquid supplementing hole 6 are equal in height, and the spraying observation hole 11 is over against a spraying pipe 12.
Wherein, the liquid level meter 7 is a magnetic turning plate liquid level meter 7, and the water mist removing device 10 is a wire mesh mist eliminator.
During the use, waste gas passes through in the inlet port 9 gets into tower body 8, and the circulating pump starts, will spray liquid and carry out fully spraying to waste gas from the shower nozzle blowout, subsides the particulate matter in the waste gas and absorb acid gas, contains a small amount of nanometer particulate matter and water smoke in the gas after spraying, is carried out the interception by the silk screen defroster of upper end and handles, adsorbs remaining particulate matter in the tail gas and dry waste gas, makes waste gas emission up to standard. The liquid level of the spraying liquid in the tower body 8 can be detected through the magnetic turning plate liquid level meter 7, and when the liquid level reaches a set low level value, the liquid supplementing hole 6 is opened to supplement the spraying liquid into the tower body 8; in addition, the PH value of the spray liquid is measured in real time by a PH measuring instrument, when the PH value is lower than a set value, the discharge hole is opened to recover the feed liquid, the feed liquid is weak acid and is used for producing alumina after being recovered, and solid particles are alumina products and are recovered again.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The utility model provides a tail gas sprays processing apparatus for aluminium oxide production process which characterized in that: including base, tower body, shower and water smoke removal device, the upper end at the base is installed to the tower body, is equipped with the spray in the tower body, be equipped with the inlet port on the lateral wall of tower body, the below of inlet port is equipped with fluid infusion hole and liquid outlet, the liquid outlet is located the below in fluid infusion hole, and liquid outlet department is equipped with the PH measuring apparatu, the top of inlet port is equipped with the shower, the shower passes through the flange and is fixed with the tower body, is equipped with the shower nozzle that is located the tower body on the shower, and the shower passes through circulating pump and goes out the liquid jogged joint, the below of inlet port is equipped with the level gauge fixed with the tower body, the lower extreme of tower body even has row material pipe, the upper.
2. The tail gas spray treatment device for the alumina production process according to claim 1, characterized in that: the bottom of tower body is for leaking hopper-shaped.
3. The tail gas spray treatment device for the alumina production process according to claim 1, characterized in that: a manhole is arranged at the position, close to the base, of the tower body.
4. The tail gas spray treatment device for the alumina production process according to claim 1, characterized in that: the side wall of the tower body is provided with a liquid level observation hole and a spraying observation hole, the liquid level observation hole is equal to the liquid supplementing hole in height, and the spraying observation hole is opposite to the spraying pipe.
5. The tail gas spray treatment device for the alumina production process according to claim 1, characterized in that: the liquid level meter is a magnetic turning plate liquid level meter.
6. The tail gas spray treatment device for the alumina production process according to claim 1, characterized in that: the water mist removing device is a wire mesh demister.
7. The tail gas spray treatment device for the alumina production process according to claim 1, characterized in that: the spraying pipe is provided with a plurality of spraying pipes which are arranged up and down, the spraying pipe is provided with a nozzle positioned in the tower body, the spraying angle of a single nozzle is 120 degrees, the spraying amount is 60L/min, and the spraying pressure is 0.4 MPa.
8. The tail gas spray treatment device for the alumina production process according to claim 1, characterized in that: the spraying liquid is pure water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020113397.6U CN211799739U (en) | 2020-01-17 | 2020-01-17 | A tail gas sprays processing apparatus for aluminium oxide production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020113397.6U CN211799739U (en) | 2020-01-17 | 2020-01-17 | A tail gas sprays processing apparatus for aluminium oxide production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211799739U true CN211799739U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020113397.6U Active CN211799739U (en) | 2020-01-17 | 2020-01-17 | A tail gas sprays processing apparatus for aluminium oxide production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211799739U (en) |
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2020
- 2020-01-17 CN CN202020113397.6U patent/CN211799739U/en active Active
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