CN112807912A - High-efficiency dust removing device - Google Patents
High-efficiency dust removing device Download PDFInfo
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- CN112807912A CN112807912A CN201911126922.6A CN201911126922A CN112807912A CN 112807912 A CN112807912 A CN 112807912A CN 201911126922 A CN201911126922 A CN 201911126922A CN 112807912 A CN112807912 A CN 112807912A
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- pipeline
- purification system
- reaction tower
- primary purification
- settling chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
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- Chemical Kinetics & Catalysis (AREA)
- Separation Of Particles Using Liquids (AREA)
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Abstract
The invention belongs to the technical field of dust removal devices, and particularly relates to a high-efficiency dust removal device. The device consists of a gravity settling chamber, a primary purification system and a secondary purification system; the gravity settling chamber is connected with a reaction tower in the primary purification system through a pipeline, and the reaction tower in the primary purification system is connected with a packed tower in the secondary purification system through a pipeline; the bottom of a reaction tower in the primary purification system is connected with a first pipeline, the upper part of the alkaline material adding pool is connected with a second pipeline, and the first pipeline and the second pipeline are converged and then extend to the interior of the reaction tower through a third pipeline. The efficient dust removal device disclosed by the invention is simple in structure, convenient and practical, high in dust removal efficiency, capable of ensuring the recycling of particles settled in the dust hopper through primary separation, primary purification and secondary purification, completely purifying acid fine particles in an operation environment, economical and practical, capable of completely removing fine particles with extremely small particle sizes, and good in purification effect.
Description
Technical Field
The invention belongs to the technical field of dust removal devices, and particularly relates to a high-efficiency dust removal device.
Background
The mineral powder has acid and alkaline components, the ratio Mo of alkaline oxide to acid oxide in the chemical components of the slag micro-powder is called as the alkalinity coefficient, and Mo is (CaO + MgO)/(SiO)2+Al2O3) Mo > 1 indicates more basic oxide than acidic oxide, this slag is called basic slag, Mo ═ 1 indicates that the basic oxide is equal to the acidic oxide, this slag is called neutral slag; mo < 1 representsThe basic oxides are less than the acidic oxides and the slag is referred to as acidic slag.
With the development of modern industry, dust particles generated in the fields of metallurgy, building materials, chemical industry, machinery, mines and the like are more and more, air pollution is more and more serious, the health of human beings is affected, and the dust pollution is very important to be effectively treated in order to ensure the health of the human beings.
In the prior art, when dust generated in the crushing process of acidic slag is treated, a bag-type dust collector is mostly adopted for dust removal, namely, a bag-shaped filter material is used for filtering dust-containing flue gas to achieve the purpose of purification. However, after the filter material is used for a period of time, certain impurity particles are inevitably accumulated on the surface of the filter material, so that the filtering effect is reduced, and therefore, a set of novel and efficient dust removing device needs to be explored.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art and provides a high-efficiency dust removal device. The dust removal device is simple in structure, convenient and practical, high in dust removal efficiency, capable of ensuring the full utilization of the recovered dust materials and capable of minimizing dust in the operation environment.
The high-efficiency dust removal device comprises a gravity settling chamber, a primary purification system and a secondary purification system; the gravity settling chamber is connected with a reaction tower in the primary purification system through a pipeline, and the reaction tower in the primary purification system is connected with a packed tower in the secondary purification system through a pipeline; the bottom of a reaction tower in the primary purification system is connected with a first pipeline, the upper part of the alkaline material adding pool is connected with a second pipeline, and the first pipeline and the second pipeline are converged and then extend to the interior of the reaction tower through a third pipeline.
Spray devices are arranged on the third pipeline at equal intervals.
The air inlet of the gravity settling chamber is connected with an air inlet pipeline, and the lower part in the gravity settling chamber is provided with a dust collecting hopper.
The primary purification system comprises a reaction tower, a water storage tank, an alkaline material adding tank and a circulating pump.
The water storage tank is connected with the bottom of the reaction tower through a pipeline, and a circulating pump is arranged on the pipeline.
The alkaline material adding tank is filled with sodium hydroxide solution.
The packed tower is internally provided with a packing layer and a plurality of water filtering plates, wherein the number of the water filtering plates is 2-3, and the water filtering plates are arranged above the packing layer at equal intervals.
The filler layer is ceramic random packing, and the ceramic random packing is one of cross ring, flower ring, multi-surface hollow ball or flat ring ceramic random packing.
The high-efficiency dust removal device comprises the following working raw materials in parts by weight:
mineral powder enters a gravity settling chamber through an air inlet pipeline for gravity settling, solid particles are naturally settled from air flow by utilizing the action of gravity, heavier particles fall into a dust hopper under the action of gravity, gas and the solid particles are preliminarily separated, the gas after the preliminary separation enters a reaction tower, water in a water storage tank is pumped into the bottom of the reaction tower through a circulating pump, the entering gas is washed by water at the bottom of the reaction tower for further solid-gas separation, sodium hydroxide solution in an alkaline material adding tank is pumped into the reaction tower through the circulating pump, the solution at the bottom of the reaction tower conveyed through a first pipeline and the sodium hydroxide solution in the alkaline material adding tank conveyed through a second pipeline are converged through a third pipeline and then enter the upper part of the reaction tower, the third pipeline extends to the part in the reaction tower, spray devices are installed on the upper part at equal intervals, and the mixed solution of the sodium hydroxide solution and the water sprayed by the spray devices is used for settling the part from the bottom of the reaction tower through the reaction tower The gas of aqueous cleaning carries out countercurrent contact, carries out further washing purification to gas, will get rid of the acid fine particle that influences the environment, and the solution that sprays down passes through the recycle pump by first pipeline and pumps reuse in the reaction tower, reduces the loss of purifying solution, and the mixed liquid of sodium hydroxide solution and water is selected for use to the purifying solution, reduces the use amount of sodium hydroxide solution, reduce cost.
After the one-level purifies, carry out the second grade by the gaseous filler tower that enters into second grade clean system of reaction tower top combustion gas through the pipeline and purify, further get rid of the slight solid particle who contains in the gas, gas is got into by the filler tower bottom, at first through the packing layer, the packing layer increases gaseous distribution area, disperse the gas that gets into, the moisture of strainer plate in with the gas is got rid of, the abundant contact of the moisture that drips on ascending gas and the strainer plate, further filter the impurity in the waste gas, the strainer plate sets up the multilayer, the moisture that carries along with the air current is discharged in the waste gas that blocks that can be abundant, the water content in the gas has been reduced, the gas after the purification is discharged through filler tower top outlet duct.
Compared with the prior art, the invention has the following beneficial effects:
the efficient dust removal device disclosed by the invention is simple in structure, convenient and practical, high in dust removal efficiency, capable of ensuring the recycling of particles settled in the dust hopper through primary separation, primary purification and secondary purification, completely purifying acid fine particles in an operation environment, economical and practical, capable of completely removing fine particles with extremely small particle sizes, and good in purification effect.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency dust removing device.
In the figure: 1. a gravity settling chamber; 2. a reaction tower; 3. a spraying device; 4. a water storage tank; 5. an alkaline material adding pool; 6. a packed tower; 7. a water filter plate; 8. a filler layer; 9. a circulation pump; 10. an air intake duct; 11. a first pipeline; 12. a second pipeline; 13. a third pipeline.
Detailed Description
The present invention is further described below with reference to examples.
Example 1
Embodiments of the invention are further described below with reference to the accompanying drawings: as shown in figure 1, the high-efficiency dust removal device of the invention consists of a gravity settling chamber 1, a primary purification system and a secondary purification system; the gravity settling chamber 1 is connected with a reaction tower 2 in a primary purification system through a pipeline, and the reaction tower 2 in the primary purification system is connected with a packed tower 6 in a secondary purification system through a pipeline; the bottom of a reaction tower 2 in the primary purification system is connected with a first pipeline 11, the upper part of an alkaline material adding pool 5 is connected with a second pipeline 12, and the first pipeline 11 and the second pipeline 12 are converged and then extend into the reaction tower 2 through a third pipeline 13.
The third pipeline 13 is provided with spraying devices 3 at equal intervals.
An air inlet of the gravity settling chamber 1 is connected with an air inlet pipeline 10, and a dust collecting hopper is arranged at the lower part in the gravity settling chamber 1.
The primary purification system comprises a reaction tower 2, a water storage tank 4, an alkaline material adding tank 5 and a circulating pump 9.
The water storage tank 4 is connected with the bottom of the reaction tower 2 through a pipeline, and a circulating pump 9 is arranged on the pipeline.
The alkaline material adding pool 5 is filled with sodium hydroxide solution.
A packing layer 8 and a plurality of water filtering plates 7 are arranged in the packed tower 6, the number of the water filtering plates 7 is 2-3, and the water filtering plates are arranged above the packing layer 8 at equal intervals.
The packing layer 8 is ceramic random packing, and the ceramic random packing is one of cross annular ceramic random packing.
The high-efficiency dust removal device comprises the following working raw materials in parts by weight:
mineral powder enters a gravity settling chamber 1 through an air inlet pipeline 10 for gravity settling, solid particles naturally settle from air flow by utilizing the action of gravity, heavier particles fall into a dust hopper under the action of gravity, gas and the solid particles are primarily separated, the primarily separated gas enters a reaction tower 2, water in a water storage tank 4 is pumped into the bottom of the reaction tower 2 through a circulating pump 9, the entered gas is washed by water at the bottom of the reaction tower 2 for further solid-gas separation, a sodium hydroxide solution in an alkaline material adding tank 5 is pumped into the reaction tower 2 through the circulating pump 9, a solution at the bottom of the reaction tower 2 conveyed through a first pipeline 11 and a sodium hydroxide solution in an alkaline material adding tank 5 conveyed through a second pipeline 12 are converged through a third pipeline 13 and then enter the upper part of the reaction tower 2, and spray devices 3 are arranged on the part of the third pipeline 13 extending into the reaction tower 2 at equal intervals, the mixed solution of sodium hydroxide solution that spray set 3 sprayed down and water carries out countercurrent contact to the gas of passing through water purification that comes by reaction tower 2 bottoms, carries out further washing to gas and purifies, will get rid of the acid fine particle that influences the environment, and the solution that sprays down is gone into reuse in reaction tower 2 by first pipeline 11 through circulating pump 9 pump, reduces the loss of purifying solution, saves the cost.
One-level purifies the back, carry out the second grade by 2 top combustion gas of reaction tower through the pipeline and purify in entering into second grade clean system's packed tower 6, further get rid of the slight solid particle who contains in the gas, gas is got into by 6 bottoms of packed tower, at first through packing layer 8, packing layer 8 increases gaseous distribution area, disperse the gas that gets into, water filter 7 gets rid of the moisture in the gas, the abundant contact of the moisture of drippage on ascending gas and the water filter 7, further filter the impurity in the waste gas, water filter 7 sets up the multilayer, can be abundant block that the moisture that carries in the waste gas discharges along with the air current, the water content in the gas has been reduced, gas after the purification passes through 6 top outlet duct of packed tower.
Claims (7)
1. The utility model provides a high-efficient dust collector which characterized in that: the device consists of a gravity settling chamber (1), a primary purification system and a secondary purification system; the gravity settling chamber (1) is connected with a reaction tower (2) in a primary purification system through a pipeline, and the reaction tower (2) in the primary purification system is connected with a packed tower (6) in a secondary purification system through a pipeline; the bottom of a reaction tower (2) in the primary purification system is connected with a first pipeline (11), the upper part of an alkaline material adding pool (5) is connected with a second pipeline (12), and the first pipeline (11) and the second pipeline (12) are converged and then extend into the reaction tower (2) through a third pipeline (13).
2. The high efficiency dust extraction device of claim 1, wherein: the third pipeline (13) is provided with spraying devices (3) at equal intervals.
3. The high efficiency dust extraction device of claim 1, wherein: an air inlet of the gravity settling chamber (1) is connected with an air inlet pipeline (10), and a dust hopper is arranged at the lower part in the gravity settling chamber (1).
4. The high efficiency dust extraction device of claim 1, wherein: the primary purification system further comprises a water storage tank (4), the water storage tank (4) is connected with the bottom of the reaction tower (2) through a pipeline, and a circulating pump (9) is arranged on the pipeline.
5. The high efficiency dust extraction device of claim 1, wherein: the alkaline material adding pool (5) is filled with sodium hydroxide solution.
6. The high efficiency dust extraction device of claim 1, wherein: a packing layer (8) and a plurality of water filtering plates (7) are arranged in the packed tower (6), the number of the water filtering plates (7) is 2-3, and the water filtering plates are arranged above the packing layer (8) at equal intervals.
7. The high efficiency dust extraction device of claim 6, wherein: the packing layer (8) is ceramic random packing which is one of cross ring, flower ring, multi-surface hollow ball or flat ring ceramic random packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911126922.6A CN112807912A (en) | 2019-11-18 | 2019-11-18 | High-efficiency dust removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911126922.6A CN112807912A (en) | 2019-11-18 | 2019-11-18 | High-efficiency dust removing device |
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| Publication Number | Publication Date |
|---|---|
| CN112807912A true CN112807912A (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911126922.6A Withdrawn CN112807912A (en) | 2019-11-18 | 2019-11-18 | High-efficiency dust removing device |
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| CN (1) | CN112807912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307482A (en) * | 2022-01-04 | 2022-04-12 | 常山孚康氟化钙有限公司 | Fluorite powder recycling system |
-
2019
- 2019-11-18 CN CN201911126922.6A patent/CN112807912A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307482A (en) * | 2022-01-04 | 2022-04-12 | 常山孚康氟化钙有限公司 | Fluorite powder recycling system |
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Application publication date: 20210518 |
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| WW01 | Invention patent application withdrawn after publication |