CN216799232U

CN216799232U - Dust treatment device for processing polypropylene film

Info

Publication number: CN216799232U
Application number: CN202122712941.6U
Authority: CN
Inventors: 张伟; 罗成杰; 刘淦奇
Original assignee: Hubei Tenglei New Material Technology Co ltd
Current assignee: Hubei Tenglei New Material Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-06-24
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to a dust treatment device for processing a polypropylene film, which comprises a dust removal device shell, a fan, a discharge pipe and a filtering mechanism, wherein the dust removal device shell is provided with a plurality of through holes, the filtering mechanism is fixedly arranged inside the dust removal device shell, the fan is fixedly arranged on the dust removal device shell and extends to the inside of the filtering mechanism through the through holes, and the discharge pipe is communicated with the filtering mechanism and extends to the outside of the dust removal device shell through the other through hole. This dust treatment device is used in processing of polypropylene film, too high for the saturation that prevents water, to the absorption undersize of dust, cause and discharge the pollution, through setting up electrostatic dust concentration detector monitoring dust concentration, send the signal of telecommunication when the dust concentration is too much, close first control valve through the plc controller, open the second control valve for the air inner loop that does not reach standard discharges until after reaching standard, has reached the purpose of avoiding polluting the emission.

Description

Dust treatment device for processing polypropylene film

Technical Field

The utility model relates to the technical field of polypropylene processing dust removal, in particular to a dust treatment device for processing a polypropylene film.

Background

In the production of polypropylene and other chemical enterprises, after the general granulation process is finished, the particle surface contains a large amount of moisture, water removal is needed, most of the moisture is dried in a dryer, in order to ensure the drying effect, the dryer also needs to be ventilated, the moisture is further sucked by air flow, an exhaust fan is generally used for exhausting air, the exhausted air contains partial moisture and polypropylene dust, and the exhausted polypropylene dust is subjected to dust removal treatment, but a lot of dust flies all day, so that the environment is seriously polluted.

The polypropylene dust removal equipment in the market at present directly guides water and polypropylene dust into water through a suction fan to suppress dust, so that the dust is prevented from flying, the polypropylene dust which is insoluble in water floats on the water surface, the dust is filtered through a filter bag, the filtered water is recycled to save a water source, the dust is prevented from flying, the water is recycled, a clean water tank needs to be frequently replaced in the method, the use is inconvenient, the dust removal effect of water when the dust solubility is too high cannot be guaranteed, and the serious consequence of environmental pollution is possibly caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a dust treatment device for processing a polypropylene film, which has the advantages of avoiding pollution emission and the like and solves the problem of possible pollution emission.

In order to achieve the purpose, the utility model provides the following technical scheme: a dust treatment device for processing a polypropylene film comprises a dust removal device shell, a fan, a discharge pipe and a filter mechanism, wherein the dust removal device shell is provided with a plurality of through holes, the filter mechanism is fixedly installed inside the dust removal device shell, the fan is fixedly installed on the dust removal device shell and extends to the inside of the filter mechanism through the through holes, the discharge pipe is communicated with the filter mechanism and extends to the outside of the dust removal device shell through another through hole, a first control valve is fixedly installed in the discharge pipe positioned outside the dust removal device shell, an electrostatic dust concentration detector is fixedly installed in the discharge pipe positioned inside the dust removal device shell, the electrostatic dust concentration detector is respectively and electrically connected with the first control valve and a plc controller, a circulation hole is formed in the discharge pipe positioned inside the dust removal device shell, and a circulation pipe is inserted and connected with the circulation hole, the circulating pipe extends to the inside of filtering mechanism, fixed mounting has second control valve and aspiration channel on the circulating pipe, the second control valve with the aspiration channel with plc controller electric connection.

Further, filtering mechanism includes water tank and water receiving tank body, the internal fixed mounting of water receiving tank has the filter bag, filter the bag through the water receiving pipe with the water tank intercommunication, the air outlet of fan passes through connecting hole on the water tank with the water tank intercommunication, the circulating pipe extends to inside the water tank, the delivery pipe with water receiving tank body intercommunication.

Furthermore, a water delivery pipe connected with an external water source is inserted in the through hole and extends to the inside of the water tank.

Further, the bottom wall of water tank has seted up the outlet, outlet department fixed mounting has the drain valve, the drain valve with plc controller electric connection.

Furthermore, a third control valve is fixedly mounted on the water receiving pipe.

Further, the inner wall fixed mounting who connects the water tank body has level sensor, level sensor with plc controller electric connection.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this dust treatment device is used in processing of polypropylene film, filter the dust through water tank and filter bag, the saturation of preventing water after filtering is too high, absorption undersize to the dust, cause the emission pollution, through setting up electrostatic dust concentration detector monitoring dust concentration, send the signal of telecommunication when the dust concentration is too much, close first control valve through the plc controller, open the second control valve, make not up to standard air inner loop discharge until up to standard back, reached the purpose of avoiding polluting the emission.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure: 1. a dust removal device housing; 2. a fan; 3. a water tank; 301. a drain valve; 302. a water delivery pipe; 303. a water receiving pipe; 304. a filter bag; 305. a water receiving tank body; 4. a discharge pipe; 401. a first control valve; 402. an electrostatic dust concentration detector; 403. a circulation pipe; 404. a second control valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the dust processing apparatus for processing a polypropylene film in this embodiment includes a housing 1 of a dust removing device, a fan 2, a discharge pipe 4 and a filtering mechanism, wherein the housing 1 of the dust removing device is provided with a plurality of through holes, the filtering mechanism is fixedly installed inside the housing 1 of the dust removing device, the fan 2 is fixedly installed on the housing 1 of the dust removing device and extends to the inside of the filtering mechanism through the through holes, the discharge pipe 4 is communicated with the filtering mechanism and extends to the outside of the housing 1 of the dust removing device through another through hole, a first control valve 401 is fixedly installed in the discharge pipe 4 outside the housing 1 of the dust removing device, an electrostatic dust concentration detector 402 is fixedly installed in the discharge pipe 4 inside the housing 1 of the dust removing device, the electrostatic dust concentration detector 402 is respectively electrically connected with the first control valve 401 and a plc controller, a circulation hole is formed in the discharge pipe 4 inside the housing 1 of the dust removing device, and a circulation pipe 403 is inserted and connected thereto, the circulating pipe 403 extends into the filtering mechanism, a second control valve 404 and an air suction device are fixedly mounted on the circulating pipe 403, and the second control valve 404 and the air suction device are electrically connected with the plc controller.

Compared with the prior art: the device passes through fan 2 and absorbs the dust, filters the dust through filtering mechanism, carries out the emission after filtering through delivery pipe 4, monitors when electrostatic dust concentration detector 402 that the air dust concentration of waiting to discharge is too high, closes first control valve 401 and opens second control valve 404 for the too high air of dust concentration is inhaled circulating pipe 403 by suction fan 2 and is got into filtering mechanism again, discharges after up to air standard, has reached the purpose of avoiding polluting the emission.

In this embodiment, the filtering mechanism includes a water tank 3 and a water receiving tank body 305, a filter bag 304 is fixedly installed in the water receiving tank body 305, the filter bag 304 is communicated with the water tank 3 through a water receiving pipe 303, an air outlet of the fan 2 is communicated with the water tank 3 through a connecting hole in the water tank 3, a circulating pipe 403 extends into the water tank 3, a discharge pipe 4 is communicated with the water receiving tank body 305, part of dust is dissolved through the water tank 3 in this embodiment, when an air part water source with dust blown out by the fan 2 enters the filter bag 304 along with the water source, water in the filter bag 304 leaks out, the water receiving tank is responsible for temporarily storing the water source, and air is discharged through the discharge pipe 4 after the dust is filtered through the filter bag 304.

The filter mechanism in this embodiment is a mechanism for filtering dust.

The through hole is inserted with a water pipe 302 connected with an external water source, the water pipe 302 extends to the inside of the water tank 3, and in the embodiment, the water in the water tank 3 is supplemented through the water pipe 302.

The inner bottom wall of the water tank 3 is provided with a water outlet, a water discharge valve 301 is fixedly installed at the water outlet, the water discharge valve 301 is electrically connected with the plc controller, and in this embodiment, water with too high dust saturation is discharged out of the water tank 3 through the water discharge valve 301.

A third control valve is fixedly mounted on the water receiving pipe 303, and water in the water tank 3 is prevented from flowing into the filter bag 304 by controlling the third control valve, so that the filter bag 304 is convenient to replace.

Connect the inner wall fixed mounting of water tank body 305 to have level sensor, level sensor and plc controller electric connection, when the surface of water liquid level of water tank body 305 was too high, send the signal of telecommunication to the plc controller through level sensor and close the third control valve, prevent to connect the surface of water liquid level of water tank body 305 too high, influence the exhaust.

The working principle of the above embodiment is as follows:

the device absorbs dust through the fan 2 and guides the dust into the water tank 3, and presses down the dust through the water tank 3 by a wet method, thereby preventing the dust from flying and primarily absorbing the dust, the water with the over-high dust saturation is discharged out of the water tank 3 through the drain valve 301, the water in the water tank 3 is supplemented by connecting an external water source through the water conveying pipe 302, dust is filtered through the filter bag 304, after the filtering is completed, the air up to the standard is discharged through the discharge pipe 4, the air to be discharged is monitored through the electrostatic dust concentration detector 402, when the dust concentration is too high, an electrical signal is sent to the plc controller, the first control valve 401 is closed and the second control valve 404 is opened, so that the air with too high dust concentration is sucked into the circulating pipe 403 by the suction fan 2 and re-enters the filtering mechanism until the air reaches the standard, the plc controller closes the second control valve 404 and opens the first control valve 401 to complete the discharging, thereby achieving the purpose of avoiding polluting the discharging.

Claims

1. The utility model provides a dust treatment device is used in processing of polypropylene film, includes dust collector casing (1), fan (2), delivery pipe (4) and filtering mechanism, the several through-hole has been seted up in dust collector casing (1), filtering mechanism fixed mounting is in the inside of dust collector casing (1), fan (2) fixed mounting be in on dust collector casing (1) and through the through-hole extends to filtering mechanism's inside, delivery pipe (4) with filtering mechanism intercommunication is through another the through-hole extends to the outside of dust collector casing (1), its characterized in that: be located dust collector casing (1) is outside fixed mounting has first control valve (401) in discharge pipe (4), is located inside dust collector casing (1) fixed mounting has electrostatic dust concentration detector (402) in discharge pipe (4), electrostatic dust concentration detector (402) respectively with first control valve (401) and plc controller electric connection, be located inside dust collector casing (1) seted up the circulation hole and have pegged graft circulating pipe (403) on discharge pipe (4), circulating pipe (403) extend to filtering mechanism's inside, fixed mounting has second control valve (404) and aspirator on circulating pipe (403), second control valve (404) with the aspirator with plc controller electric connection.

2. The dust processing apparatus for processing polypropylene film according to claim 1, wherein: filtering mechanism includes water tank (3) and connects water tank body (305), it has filter bag (304) to connect water tank body (305) internal fixation, filter bag (304) through water receiving pipe (303) with water tank (3) intercommunication, the air outlet of fan (2) passes through connecting hole on water tank (3) with water tank (3) intercommunication, circulating pipe (403) extend to inside water tank (3), discharge pipe (4) with connect water tank body (305) intercommunication.

3. The dust processing device for processing the polypropylene film as claimed in claim 2, wherein: a water pipe (302) connected with an external water source is inserted into the through hole, and the water pipe (302) extends into the water tank (3).

4. The dust processing device for processing the polypropylene film as claimed in claim 2, wherein: the outlet has been seted up to the inner diapire of water tank (3), outlet department fixed mounting has drain valve (301), drain valve (301) with plc controller electric connection.

5. The dust processing device for processing the polypropylene film according to claim 2, wherein: and a third control valve is fixedly mounted on the water receiving pipe (303).

6. The dust processing device for processing the polypropylene film as claimed in claim 2, wherein: the inner wall of the water receiving tank body (305) is fixedly provided with a liquid level sensor, and the liquid level sensor is electrically connected with the plc controller.