CN216149302U - Concrete mixing plant is with spraying dust collector - Google Patents
Concrete mixing plant is with spraying dust collector Download PDFInfo
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- CN216149302U CN216149302U CN202120719323.1U CN202120719323U CN216149302U CN 216149302 U CN216149302 U CN 216149302U CN 202120719323 U CN202120719323 U CN 202120719323U CN 216149302 U CN216149302 U CN 216149302U
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Abstract
The utility model discloses a spraying dust removal device for a concrete mixing plant, which comprises a first fan, a spraying tower, a second fan and a washing tank which are sequentially communicated through a pipeline; an air inlet of the first fan is communicated with the stirring station main body, an air outlet of the first fan is communicated with a dust-containing gas inlet on the side wall of the lower part of the spray tower, and a flow disturbing device is arranged above the dust-containing gas inlet; a spraying device is arranged above the turbulence device and comprises a liquid distribution disc fixed on the inner wall of the spray tower, a plurality of spray heads arranged on the liquid distribution disc and towards the turbulence device, and a liquid inlet pipe which is communicated with the upper part of the liquid distribution disc and penetrates to the outside of the spray tower; the liquid inlet pipe is communicated with a pressure water source; an air inlet of the second fan is communicated with a primary spraying gas outlet at the top of the spraying tower, an air outlet of the second fan is provided with a washing tank air inlet pipe, the washing tank air inlet pipe is inserted below the liquid level of the washing tank, and the top of the washing tank is provided with a clean gas outlet; and waste water outlet pipes are arranged at the bottoms of the spray tower and the water washing tank.
Description
Technical Field
The utility model belongs to the technical field of dust removal, and particularly relates to a spraying dust removal device for a concrete mixing plant.
Background
Most of the current mixing stations are cement concrete, stabilized soil and asphalt concrete, materials which are easy to generate dust such as stone powder, sand, pebbles and the like need to be added during mixing, and when the mixing stations are used for mixing, a large amount of dust can be generated, so that dust pollution in the air is caused. The spraying device in the prior art generally fixes the spray head for spraying, in order to save water resources, a spraying system generally does not operate for a long time and more adopts intermittent spraying operation, when the spray head finishes spraying, more water always remains on the spray head, the spraying system is generally not started when the dust concentration is not high, and then part of dust generated by sand stones in a storage bin can fall onto the spray head, and the situation that the spray head is blocked due to caking caused by combination of the dust and the water remaining on the spray head is easy to occur; and because only one-time spraying device is arranged, the dust removal effect of the spraying device is poor.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a spraying dust removal device for a concrete mixing plant, which has a good dust removal effect. In order to achieve the purpose, the utility model adopts the following technical scheme:
a spray dust removal device for a concrete mixing plant comprises a first fan, a spray tower, a second fan and a washing tank which are sequentially communicated through a pipeline; an air inlet of the first fan is communicated with the stirring station main body, an air outlet of the first fan is communicated with a dust-containing gas inlet on the side wall of the lower part of the spray tower, and a flow disturbing device is arranged above the dust-containing gas inlet; a spraying device is arranged above the turbulence device and comprises a liquid distribution disc fixed on the inner wall of the spray tower, a plurality of spray heads arranged on the liquid distribution disc and facing the turbulence device, and a liquid inlet pipe which is communicated with the upper part of the liquid distribution disc and penetrates to the outside of the spray tower; the liquid inlet pipe is communicated with a pressure water source; an air inlet of the second fan is communicated with a primary spraying gas outlet at the top of the spraying tower, an air outlet of the second fan is provided with a washing tank air inlet pipe, the washing tank air inlet pipe is inserted below the liquid level of the washing tank, and the top of the washing tank is provided with a clean gas outlet; and waste water outlet pipes are arranged at the bottoms of the spray tower and the water washing tank.
Furthermore, the flow disturbing device comprises a first motor positioned outside the spray tower, a horizontally arranged stirring rod positioned inside the spray tower, and a plurality of stirring plates uniformly distributed along the circumferential direction of the stirring rod; two ends of the horizontal stirring rod are rotatably connected with the side wall of the spray tower, and one end of the horizontal stirring rod penetrates through the side wall of the spray tower and is connected with an output shaft of the first motor.
Furthermore, be provided with a plurality of layers of baffling baffle that are used for prolonging gas stroke in the washing case on the lateral wall about the washing case, baffling baffle makes gas form S-shaped flow path in the washing case, washing case intake pipe extends to the below of lower floor' S baffling baffle.
Further, a filter screen plate is arranged at the clean gas outlet.
Further, an air inlet branch is arranged on the liquid inlet pipe, and the other end of the air inlet branch is communicated with an air pump; and valves are arranged on the air inlet branch and the liquid inlet pipe at the upstream and the downstream of the communication point of the air inlet branch.
Further, the bottom of the spray tower is arranged to be a cone, and a wastewater outlet at the bottom of the spray tower is arranged at the top of the cone.
Further, a bottom plate of the water washing tank is provided with a stirring device, and the stirring device comprises a rotating rod which is rotatably connected with the bottom plate of the water washing tank, a plurality of stirring blades which are arranged on the rotating rod, and a second motor which is positioned outside the water washing tank; the rotating rod penetrates through the bottom plate of the water washing tank and is connected with the output shaft of the second motor.
The utility model has the beneficial effects that: the turbulent flow device is arranged in the spray tower, so that the fusion effect between the dust-containing gas and the spray liquid is better, and the dust can be removed more effectively by the sprayed water; the air pump is arranged, and after dust removal is finished, the air pump can be started to blow water remained in the spray head into the spray tower, so that dust is prevented from attaching to the spray head to cause the blockage of the spray head; the baffling baffle is arranged in the water washing tank, so that the effect is better when the gas dedusted by the spray tower is washed; the stirring device is arranged in the water washing box, so that dust can be effectively prevented from being deposited and solidified in the water washing box and is not easy to discharge.
Drawings
FIG. 1 is a schematic structural view of the present invention;
reference numerals: 1-a first fan; 2-a dusty gas inlet; 3-a spray tower; 4-a waste water outlet pipe; 5-a first motor; 6-a stirring rod; 7-stirring plate; 8-a liquid distribution tray; 9-a liquid inlet pipe; 10-an air inlet branch; 11-an air pump; 12-primary spray gas outlet; 13-a second fan; 14-water washing tank air inlet pipe; 15-baffle plate; 16-clean gas outlet; 17-stirring blades; 18-a second electric machine; 19-a water pump; 20-a water storage tank; 21-water washing tank.
Detailed Description
The technical solution of the present invention will be further described with reference to the accompanying drawings and examples. The utility model relates to a spraying dust removal device for a concrete mixing plant, which comprises a first fan 1, a spraying tower 3, a second fan 13 and a washing tank 21 which are sequentially communicated through a pipeline; an air inlet of the first fan 1 is communicated with the stirring station main body, an air outlet of the first fan is communicated with a dust-containing gas inlet 2 on the side wall of the lower part of the spray tower 3, and a turbulence device is arranged above the dust-containing gas inlet 2; the flow disturbing device comprises a first motor 5 positioned outside the spray tower 3, a horizontally arranged stirring rod 6 positioned inside the spray tower 3, and a plurality of stirring plates 7 uniformly distributed along the circumferential direction of the stirring rod 6; two ends of the stirring rod 6 are rotatably connected with the side wall of the spray tower 3, and one end of the stirring rod penetrates through the side wall of the spray tower 3 and is connected with an output shaft of the first motor 5. The turbulent flow device can increase the contact time between the dust-containing gas and the spraying liquid so as to lead the spraying liquid to bring the dust in the dust-containing gas to the bottom of the spraying tower.
A spraying device is arranged above the turbulence device and comprises a liquid distribution disc 8 fixed on the inner wall of the spray tower 3, a plurality of spray heads arranged on the liquid distribution disc 8 and facing the turbulence device, and a liquid inlet pipe 9 communicated with the upper part of the liquid distribution disc 8 and penetrating to the outside of the spray tower 3; the liquid inlet pipe 9 is communicated with a pressure water source, the pressure water source comprises a water storage tank 20 and a water pump 19 communicated with the water storage tank 20, and a water outlet pipe of the water pump 19 is communicated with the liquid inlet pipe 9; an air inlet branch 10 is arranged on the liquid inlet pipe 9, and the other end of the air inlet branch 10 is communicated with an air pump 11; valves are arranged on the air inlet branch 10 and the liquid inlet pipe 9 on the upstream and the downstream of the communication point of the air inlet branch 10. The spraying device is provided with an air pump, when spraying is finished, a valve on the liquid inlet pipe, which is positioned at the upstream of the communication point of the gas inlet branch 10, can be closed, valves on the gas inlet branch 10 and the liquid inlet pipe, which are positioned at the downstream of the communication point of the gas inlet branch 10, are opened, and the air pump is started, so that gas under pressure enters the liquid distribution disc to blow residual liquid in the pipeline to the spraying tower. Effectively preventing the dust from caking at the spray head.
The air inlet of the second fan 13 is communicated with the primary spraying gas outlet 12 at the top of the spray tower 3, the air outlet of the second fan is provided with a water washing tank air inlet pipe 14, the water washing tank air inlet pipe 14 is inserted below the liquid level of the water washing tank 21, the top of the water washing tank 21 is provided with a clean gas outlet 16, and a filter screen plate is arranged at the clean gas outlet 16. Be provided with the baffling baffle 15 that a plurality of layers are used for extension gas at washing case 21 inner stroke on the lateral wall about washing case 21, baffling baffle 15 makes gaseous form S-shaped flow path in washing case 3, washing case intake pipe 14 extends to the below of lower floor baffling baffle 15, and once sprays gaseous entering washing incasement back at first gets into the below of lower floor baffling baffle 15, then is the flow direction outflow surface of water of S-shaped along baffling baffle 15, gets into in the external environment through clean gas outlet 16.
A bottom plate of the washing tank 21 is provided with a stirring device, and the stirring device comprises a vertically arranged rotating rod which is rotatably connected with the bottom plate of the washing tank 21, a plurality of stirring blades 17 arranged on the rotating rod, and a second motor 18 positioned outside the washing tank 21; the rotating rod penetrates through the bottom plate of the washing tank 21 and is connected with the output shaft of the second motor 18. Because the water in the washing case is often in static device, so be provided with agitating unit, can carry out stirring of low-speed, prevent that the dust from freezing at the inside deposit of washing case, and can further increase the area of contact of air current and water.
And waste water outlet pipes 4 are arranged at the bottoms of the spray tower 3 and the washing tank 21. The bottom of the spray tower 3 is arranged to be conical, and a waste water outlet pipe 4 at the bottom of the spray tower 3 is arranged at the top of the cone. The waste water in the spray tower 3 and the water washing tank 21 can be returned to the inside of the mixer for reuse.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a concrete mixing plant is with spraying dust collector which characterized in that: comprises a first fan (1), a spray tower (3), a second fan (13) and a washing tank (21) which are communicated with each other through a pipeline in sequence; an air inlet of the first fan (1) is communicated with the stirring station main body, an air outlet of the first fan is communicated with a dust-containing gas inlet (2) on the side wall of the lower part of the spray tower (3), and a flow disturbing device is arranged above the dust-containing gas inlet (2); a spraying device is arranged above the turbulence device and comprises a liquid distribution disc (8) fixed on the inner wall of the spray tower (3), a plurality of spray heads arranged on the liquid distribution disc (8) and facing the turbulence device, and a liquid inlet pipe (9) communicated with the upper part of the liquid distribution disc (8) and penetrating to the outside of the spray tower (3); the liquid inlet pipe (9) is communicated with a pressure water source; an air inlet of the second fan (13) is communicated with a primary spraying gas outlet (12) at the top of the spraying tower (3), an air outlet of the second fan is provided with a water washing tank air inlet pipe (14), the water washing tank air inlet pipe (14) is inserted below the liquid level of the water washing tank (21), and the top of the water washing tank (21) is provided with a clean gas outlet (16); and waste water outlet pipes (4) are arranged at the bottoms of the spray tower (3) and the water washing tank (21).
2. The spray dust removing device for the concrete mixing plant according to claim 1, wherein: the flow disturbing device comprises a first motor (5) positioned outside the spray tower (3), a stirring rod (6) horizontally arranged inside the spray tower (3), and a plurality of stirring plates (7) uniformly distributed along the circumferential direction of the stirring rod (6); two ends of the stirring rod (6) are rotatably connected with the side wall of the spray tower (3), and one end of the stirring rod penetrates through the side wall of the spray tower (3) and is connected with an output shaft of the first motor (5).
3. The spray dust removing device for the concrete mixing plant according to claim 1, wherein: be provided with a plurality of layers of baffling baffle (15) that are used for extension gas stroke in washing case (21) on the lateral wall about washing case (21), baffling baffle (15) make gas form S-shaped flow path in washing case (21), washing case intake pipe (14) extend to the below of lower floor baffling baffle (15).
4. The spray dust removing device for the concrete mixing plant according to claim 1, wherein: and a filter screen plate is arranged at the clean gas outlet (16).
5. The spray dust removing device for the concrete mixing plant according to claim 1, wherein: an air inlet branch (10) is arranged on the liquid inlet pipe (9), and the other end of the air inlet branch (10) is communicated with an air pump (11); and valves are arranged on the air inlet branch (10) and the liquid inlet pipe (9) at the upstream and the downstream of the communication point of the air inlet branch (10).
6. The spray dust removing device for the concrete mixing plant according to claim 1, wherein: the bottom of the spray tower (3) is arranged to be conical, and a waste water outlet pipe (4) at the bottom of the spray tower (3) is arranged at the top of the cone.
7. The spray dust removing device for the concrete mixing plant according to claim 1, wherein: a bottom plate of the water washing tank (21) is provided with a stirring device, and the stirring device comprises a vertically arranged rotating rod which is rotatably connected with the bottom plate of the water washing tank (21), a plurality of stirring blades (17) arranged on the rotating rod, and a second motor (18) positioned outside the water washing tank (21); the rotating rod penetrates through the bottom plate of the water washing tank (21) and is connected with the output shaft of the second motor (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120719323.1U CN216149302U (en) | 2021-04-09 | 2021-04-09 | Concrete mixing plant is with spraying dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120719323.1U CN216149302U (en) | 2021-04-09 | 2021-04-09 | Concrete mixing plant is with spraying dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216149302U true CN216149302U (en) | 2022-04-01 |
Family
ID=80834771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120719323.1U Active CN216149302U (en) | 2021-04-09 | 2021-04-09 | Concrete mixing plant is with spraying dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216149302U (en) |
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2021
- 2021-04-09 CN CN202120719323.1U patent/CN216149302U/en active Active
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