CN111151403A

CN111151403A - Paint spraying dust collector

Info

Publication number: CN111151403A
Application number: CN202010037516.9A
Authority: CN
Inventors: 卞振锋; 钱旭芳; 钱小虎; 张明华; 李魏
Original assignee: Huzhou Creative Plastic New Material Technology Co Ltd
Current assignee: Huzhou Creative Plastic New Material Technology Co Ltd
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-05-15

Abstract

The invention provides a paint spraying dust removal device, which comprises: the flaring is arranged oppositely to the upper cover body and the lower cover body; the coating receptor guiding device is arranged between the upper cover body and the lower cover body, and the coating receptor guiding device, the upper cover body and the lower cover body form a closed cavity; the nozzles are arranged in the upper cover body, and the nozzles face the paint receptor; and the filtering device is communicated with the air collecting port of the lower cover body through an air pump, negative pressure is formed in the lower cover body by the air pump, and filtering liquid is contained in the filtering device. The invention aims to provide a paint spraying dust removal device for removing floating dust generated in the paint spraying process.

Description

Paint spraying dust collector

Technical Field

The invention relates to the application field of environmental dust control, in particular to a paint spraying dust removal device.

Background

The non-woven fabric with the surface function modification can be applied to the fields of wider catalysis and environmental protection. The nano catalytic material coating on the surface of the non-woven fabric, especially the high-speed spraying process can generate a large amount of coating micro mist, wherein a splashing person overflows and is in a dust floating space, so that the pollution to the surrounding environment is caused, and the body health of an operator is seriously influenced.

Disclosure of Invention

In view of the problems in the related art, the invention aims to provide a paint spraying dust removal device for removing floating dust generated in a paint spraying process.

The invention provides a paint spraying dust removal device, which comprises: the flaring is arranged oppositely to the upper cover body and the lower cover body; the coating receptor guiding device is arranged between the upper cover body and the lower cover body, and the coating receptor guiding device, the upper cover body and the lower cover body form a closed cavity; the nozzles are arranged in the upper cover body, and the nozzles face the paint receptor; and the filtering device is communicated with the air collecting port of the lower cover body through an air pump, negative pressure is formed in the lower cover body by the air pump, and filtering liquid is contained in the filtering device.

According to the invention, the upper cover body and the lower cover body are both horn-shaped, the upper cover body and the lower cover body are both provided with an opening end and a closed end, the area of the opening end is larger than that of the closed end, and the flaring is positioned at the opening end.

According to the present invention, the paint receptor guiding apparatus includes guide rollers pivotally installed at the front and rear sides of the upper and lower housings, and guide plates fixedly installed at the left and right sides of the upper and lower housings, the guide rollers and the guide plates constituting a space for the paint receptor to move.

According to the invention, the four guide rollers are respectively arranged at the front and the rear edges of the flaring openings of the upper cover body and the lower cover body, and the two oppositely arranged guide rollers respectively positioned on the upper cover body and the lower cover body clamp and guide the coating material receptor.

According to the invention, the filtering device comprises a filtering box, a shelf arranged in the filtering box and an air release disc placed on the shelf, wherein the upper wall of the air release disc is provided with a plurality of through holes, the air release disc is connected with an air pump through a pipeline, and the air release disc is wholly submerged in the filtering liquid.

According to the invention, the shelf is provided with an upward flanging for placing the air release disc and a notch for sliding and falling objects, the shelf is obliquely placed on the support rib in the filter box, and the inclination angle of the shelf is 25-40 degrees.

According to the invention, the filter box is formed with a settling zone below the shelf, and the bottom of the filter box is provided with a drain valve.

According to the invention, the guide plate is provided with a plurality of long holes which are arranged side by side along the running direction of the coating acceptor, and the long holes are connected with the upper cover body and the lower cover body through bolts.

According to the invention, the paint spraying dust removal device also comprises a high-pressure pump and a conical mixer which are sequentially communicated with the spray head through pipe valves, wherein a plurality of feed pipe valves are uniformly distributed on the bottom side part of the conical mixer, and the plurality of feed pipe valves are connected into the conical mixer in a tangential way in the same direction.

According to the invention, the inner parts of the upper cover body and the lower cover body are respectively provided with the reinforcing ribs, and the reinforcing ribs in each cover body are arranged in a splayed shape.

The invention has the beneficial technical effects that:

the upper cover body, the lower cover body and the paint receptor guiding device of the paint spraying and dust removing device form a closed cavity, a plurality of spray heads are arranged in the upper cover body, the spray heads spray paint to the paint receptor, meanwhile, the filtering device is communicated with the air collecting port of the lower cover body through an air pump, negative pressure is formed in the lower cover body through the air pump, residual spraying mist penetrating through gaps of a paint receptor structure is absorbed by the negative pressure in the lower cover body while the spray heads spray the paint to the paint receptor, the residual spraying mist is introduced into the filtering device, the filtering liquid washes the residual spraying mist, particles are intercepted and statically precipitated and recycled, and the washed gas floats upwards in a dust-free state to overflow the filtering liquid and is naturally discharged. Therefore, the paint spraying dust removal device can remove dust and recycle by constructing spraying and absorbing force under a closed working condition and washing and filtering the filter liquid, and can effectively eliminate floating dust generated in the paint spraying process.

Drawings

FIG. 1 is a schematic structural diagram of a dust removing device for paint spraying of the present invention.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

FIG. 3 is a schematic top view of the shelf and air bleed tray of the present invention.

Detailed Description

Referring to fig. 1 and 2, in one embodiment, the present invention provides a paint spray dust removing apparatus comprising: an upper cover body 10 and a lower cover body 20 with flaring 9 oppositely arranged; the paint receptor guiding device 30 is arranged between the upper cover body 10 and the lower cover body 20, and the paint receptor guiding device 30, the upper cover body 10 and the lower cover body 20 form a closed cavity 8; a plurality of spray heads 11 disposed in the upper housing 10 and having spray orifices facing the paint receptor 40; and a filter device 60 communicated with the air receiving opening 21 of the lower cover body 20 through an air pump 50, wherein the air pump 50 forms negative pressure in the lower cover body 20, and the filter device 60 contains a filter liquid 61. The upper cover body 10, the lower cover body 20 and the coating receptor guiding device 30 of the coating spraying dust removal device form a closed cavity 8, a plurality of spray heads 11 are arranged in the upper cover body 10, the spray heads 11 spray coatings 7 to the coating receptors 40, meanwhile, the filtering device 60 is communicated with an air collecting port 21 of the lower cover body 20 through the air pump 50, negative pressure is formed in the lower cover body 20 through the air pump 50, the negative pressure in the lower cover body 20 absorbs spraying residual fog penetrating through gaps of a coating receptor structure while the spray heads 11 spray the coatings 7 to the moving coating receptors 40, the spraying residual fog is introduced into the filtering device 60, the spraying residual fog is washed by the filtering liquid 61, particles are intercepted, the static precipitation and the recycling are carried out, and the washed gas floats in a dust-free state to overflow the filtering liquid and is naturally discharged. Therefore, the spraying and absorbing force of the paint spraying and dust removing device under the closed working condition can prevent dust from overflowing to the surrounding environment, dust is effectively removed, the filter liquor is washed and filtered, the paint can be recovered while the dust is removed, and therefore floating dust generated in the paint spraying process can be effectively eliminated.

The 'coating' referred to in the invention can be powder-based liquid photocatalyst, nano catalytic material, paint, ink and other liquid or powder materials for spraying. The "coating material receptor" referred to in the present invention may be a material such as a cloth such as a nonwoven fabric, paper, or the like, which has micropores and can receive surface modification or decoration.

Referring to fig. 1, in one embodiment, upper shield 10 and lower shield 20 are each flared, upper shield 10 and lower shield 20 each have an open end 12 and a closed end 13, open end 12 is larger in area than closed end 13, and flare 9 is located at open end 12. The flared upper and

lower covers

10 and 20 allow the guide roller 31 installed at the flare 9 to have certain elasticity when clamping and guiding the coating material acceptor 40, thereby enabling stable clamping and guiding of the coating material acceptor 40.

Referring to fig. 2, in one embodiment, the paint receptor guiding apparatus 30 includes guide rollers 31 pivotally installed at front and rear sides of the upper and

lower housings

10 and 20, and guide plates 32 fixedly installed at left and right sides of the upper and

lower housings

10 and 20, the guide rollers 31 and the guide plates 32 constituting a space in which the paint receptor 40 moves. That is, the guide plates 32 on the left and right sides connect the upper and

lower housings

10 and 20 and shield a portion of the guide roller 31 on the outside, thereby forming the closed chamber 8 for preventing dust from overflowing to the surrounding environment.

Referring to fig. 1, in one embodiment, the guide rollers 31 include four rollers, one roller is installed at each of the front and rear edges of the flares 9 of the upper and

lower masks

10 and 20, and two opposite rollers 31 respectively located on the upper and

lower masks

10 and 20 hold and guide the paint receptor 40. Because the closed cavity 8 formed by the four guide rollers 31 and the two guide plates 32 is more closed, dust can be completely prevented from overflowing to the surrounding environment.

With continued reference to fig. 1, in one embodiment, the filtering apparatus 60 includes a filtering box 62, a shelf 63 disposed in the filtering box 62, and an air releasing tray 64 disposed on the shelf 63, wherein a plurality of through holes 641 are opened on an upper wall of the air releasing tray 64, the air releasing tray 64 is connected to the air pump 50 through a pipe 65, and the air releasing tray 64 is entirely submerged in the filtering liquid 61. The air pump 50 sends the residual spray into the air releasing disc 64 in the filter box, the residual spray is released in micro bubbles, then the residual spray is washed in the filter liquid 61, particles are trapped and statically precipitated for recycling, and the washed gas floats upwards in a dustless state and overflows the water surface to be naturally discharged. The filtrate 61 may be clear water, organic solvent, or other liquid capable of trapping dust particles. In the present embodiment, the filtrate 61 is preferably clear water. The gassing disk 64 is preferably made of a flexible plastic tubing wound in a circular shape (with a plurality of through holes in the tubing wall) with both ends connected to the tubing 65 by inserting a T-piece connector 642. The diameter of the through holes on the air release plate 64 is preferably large or small enough to release all the residual spray into the filtrate 61. The purpose of the through holes is to enable the spraying residual fog to be released into the filtering liquid 61 in a plurality of trickle flows and to be in full contact with the filtering liquid 61, so that full washing is carried out, and the particles are prevented from being discharged to the environment along with the gas.

Referring to fig. 1 and 3, in one embodiment, the shelf 63 is provided with an upward flange 631 for receiving the degassing tray 64 and a notch 632 for sliding down and dropping objects, the shelf 63 is obliquely placed on the support rib 66 in the filter box 62, and the inclination angle of the shelf 63 is 25-40 °. The filter tank 62 is formed with a settling zone 67 below the shelf 63, and the bottom of the filter tank 62 is provided with a drain valve 68. The particles retained in the filtering liquid 61 by the residual spraying mist gradually roll along the inclined shelf 63, fall into the settling area 67 below the shelf 63 through the shelf notch 632, settle and accumulate, and are finally recycled through the discharge valve 68. The inclination angle of the shelf 63 is set to 25-40 deg., which is favorable for stably placing the air releasing plate 64 and for sliding off the dust particles.

Referring to fig. 2, in one embodiment, the guide plate 32 is formed with a plurality of elongated holes (not shown) arranged side by side in the traveling direction of the paint receptor, and the elongated holes connect the upper housing 10 and the lower housing 20 by bolts 6. The long holes facilitate loading and unloading of the paint receiver 40, movement guidance during operation, and tightening adjustment of the height gap between the guide rollers 31.

Referring to fig. 1, in one embodiment, the paint spraying dust removing device further includes a high pressure pump 70 and a conical mixer 80 sequentially communicated with the spray head 11 through pipe valves, wherein a plurality of feed pipe valves 90 are uniformly distributed at the bottom side of the conical mixer 80, and the plurality of feed pipe valves 90 are tangentially connected into the conical mixer 80 in the same direction. The conical mixer 80 is similar to a cyclone separator and primarily functions to pre-mix the various coating components prior to spraying. Several coatings entering the conical mixer 80 tangentially form a swirling mixing which allows the several coatings to be mixed thoroughly. The multi-valve adjustable cyclone mixing of the conical mixer 80 is suitable for the mixing requirements of single and various coatings, and the applicability is expanded.

Referring to fig. 1, in one embodiment, reinforcing ribs 22 are respectively provided inside the upper and

lower casings

10 and 20, and the reinforcing ribs 22 inside each casing are arranged in a shape of a Chinese character 'ba'. Specifically, the reinforcing ribs 22 in the upper cover 10 are arranged in a regular "eight" shape, and the reinforcing ribs 22 in the lower cover 20 are arranged in an inverted "eight" shape. The reinforcing ribs 22 may reinforce the overall structure of the upper shell 10 and the lower shell 20.

According to one embodiment of the invention, a process technology characterized by spraying and sucking double-cover combination and filtering of filtrate is adopted, so that continuous non-woven fabric spraying and dedusting application under a closed working condition is realized, the overflow of micro dust in the material surface coating process is basically overcome, and the advantages of dust prevention and environmental protection are obvious. Meanwhile, the spraying and the sucking are combined to do work, so that the coating is more uniform and firm, and the product quality is improved. The water washing and filtering are simple, convenient, effective, reliable and practical; the particle recovery function has more economic value for the collection and the reuse of the catalyst particles containing rare precious metal components. The implementation of the invention is suitable for the matching application of the non-woven fabric continuous spraying production line in the indoor environment, and can also be used for purification treatment and resource utilization of other dust pollution working conditions.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A paint spraying dust collector, its characterized in that includes:

the flaring is arranged oppositely to the upper cover body and the lower cover body;

the paint receptor guiding device is arranged between the upper cover body and the lower cover body, and the paint receptor guiding device, the upper cover body and the lower cover body form a closed cavity;

a plurality of spray heads arranged in the upper cover body and with spray nozzles facing the coating material acceptor; and

the filter device is communicated with the air collecting port of the lower cover body through an air pump, negative pressure is formed in the lower cover body through the air pump, and filter liquid is contained in the filter device.

2. The paint spraying and dust removing device of claim 1, wherein the upper cover body and the lower cover body are both trumpet-shaped, the upper cover body and the lower cover body are both provided with an open end and a closed end, the area of the open end is larger than that of the closed end, and the flaring is positioned at the open end.

3. The paint spray dust removing device of claim 1 wherein the paint receptor guide means comprises guide rollers pivotally mounted on the front and rear sides of the upper and lower housings, and guide plates fixedly mounted on the left and right sides of the upper and lower housings, the guide rollers and the guide plates constituting a space for movement of the paint receptor.

4. The paint spraying and dust removing device of claim 3, wherein the number of the guide rollers is four, one is mounted on each of the front and rear edges of the flared openings of the upper cover body and the lower cover body, and the two oppositely arranged guide rollers respectively located on the upper cover body and the lower cover body grip and guide the paint receptor.

5. The paint spraying and dust removing device of claim 1, wherein the filtering device comprises a filtering box, a shelf arranged in the filtering box, and an air releasing disc placed on the shelf, a plurality of through holes are formed in the upper wall of the air releasing disc, the air releasing disc is connected with the air pump through a pipeline, and the air releasing disc is entirely submerged in the filtering liquid.

6. The paint spraying dust removal device of claim 5, wherein the shelf is provided with an upward flanging for placing the air release disc and a notch for sliding falling objects, the shelf is obliquely placed on the support ribs in the filter box, and the inclination angle of the shelf is 25-40 degrees.

7. The paint spray dusting apparatus of claim 5 wherein the filter box forms a settling zone below the shelf and a drain valve is provided at the bottom of the filter box.

8. The paint spraying and dust removing device of claim 3, wherein the guide plate is provided with a plurality of long holes arranged side by side along the running direction of the paint receiver, and the long holes are connected with the upper cover body and the lower cover body through bolts.

9. The paint spraying dust collector according to claim 1, further comprising a high-pressure pump and a conical mixer which are sequentially communicated with the spray head through pipe valves, wherein a plurality of feed pipe valves are uniformly distributed on the bottom side of the conical mixer, and the feed pipe valves are connected into the conical mixer in a tangential manner in the same direction.

10. The paint spraying and dust removing device of claim 1, wherein reinforcing ribs are respectively arranged inside the upper cover body and the lower cover body, and the reinforcing ribs in each cover body are arranged in a splayed shape.