CN214552170U

CN214552170U - VOC preprocessing device

Info

Publication number: CN214552170U
Application number: CN202022194139.8U
Authority: CN
Inventors: 高翔; 朱胜林; 蒋友超; 陈文栋
Original assignee: Guangdong Jma Aluminum Profile Factory Group Co ltd; Foshan JMA Aluminium Co Ltd
Current assignee: Guangdong Jma Aluminum Profile Factory Group Co ltd; Foshan JMA Aluminium Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-11-02
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a VOC pretreatment device, which comprises a primary filtration part, a first pretreatment part and a second pretreatment part, wherein the first pretreatment part, the second pretreatment part and the primary filtration part are communicated through a ventilation pipeline; the primary filtering part comprises a connecting structure and a filtering structure, the connecting structure comprises a first connecting structure and a second connecting structure, and the filtering structure comprises a first filtering structure, a second filtering structure and a side plate; the first connecting structure, the second connecting structure and the side plate form a closed space, and the first filtering structure, the second filtering structure and the side plate are detachably connected; first preliminary treatment part includes a plurality of spray set and a plurality of breakwaters, and second preliminary treatment part includes a plurality of environmental protection filter balls. The VOC preprocessing device that this application provided can get rid of the coating cloud completely, obtains clean VOC gas, reduces and causes the harm to VOC treatment facility, reduces the plant maintenance cost.

Description

VOC preprocessing device

Technical Field

The utility model relates to a gas filtration equipment field especially relates to a VOC preprocessing device.

Background

When the fluorocarbon production line is in production operation, a large amount of paint mist is sprayed in the fluorocarbon spray booth, so that a large amount of VOC gas (Volatile Organic Compounds) is generated, wherein about 80% of the paint mist can flow into the water tank through the water curtain, and the rest 20% of the paint mist is discharged along with the exhaust pipeline and enters the VOC treatment equipment. The VOC treatment equipment has strict requirements on VOC gas, 20% of paint mist discharged by the fluorocarbon spray booth directly enters the VOC treatment equipment, the VOC treatment equipment is seriously damaged, and the VOC treatment equipment is very easy to block. Therefore, how to pre-treat the VOC gas mixed with paint mist before the VOC gas discharged from the spray booth enters the VOC treatment equipment becomes a problem to be solved.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a VOC preprocessing device.

The novel VOC pretreatment device comprises a primary filtration part, a first pretreatment part and a second pretreatment part;

the first pretreatment part, the second pretreatment part and the primary filter part are communicated with each other through ventilation pipelines, the two ends of each ventilation pipeline are provided with a first exhaust pipeline and an air inlet pipeline, the first exhaust pipeline is communicated with the first pretreatment part and the second pretreatment part, and the air inlet pipeline is communicated with the primary filter part;

the primary filtering part comprises a connecting structure and a filtering structure, the connecting structure comprises a first connecting structure and a second connecting structure, and the filtering structure comprises a first filtering structure, a second filtering structure and a side plate;

the first connecting structure is respectively and fixedly connected with the air inlet pipeline and the side plate, the second connecting structure is respectively and fixedly connected with the second air outlet pipeline and the side plate, and the first connecting structure, the second connecting structure and the side plate form a closed space;

the first filtering structure and the second filtering structure are detachably connected with the side plate, and the first filtering structure and the second filtering structure are parallel to each other;

the first pretreatment part comprises a plurality of spraying devices and a plurality of water baffles, and the spraying devices and the water baffles are arranged on a first wallboard and a second wallboard of the spraying room;

the second preliminary treatment part includes a plurality of environmental protection filter balls, a plurality of environmental protection filter balls set up in the first exhaust duct entrance department of spouting the room, first exhaust duct fixed connection be in spout on the room roof between first wallboard and the second wallboard, and with spout the room intercommunication.

Wherein the first filter structure is constructed from a stack of a first plurality of G3 panel air filters and a first plurality of G2 panel air filters;

wherein the first G3 panel air filters are disposed proximate to the second exhaust duct end and the first G2 panel air filters are disposed distal to the second exhaust duct end;

the second filter structure is compositionally the same as the first filter structure and includes a second plurality of G3 panel air filters and a second plurality of G2 panel air filters;

wherein the second plurality of G3 panel air filters are positioned away from the air inlet duct and the second plurality of G2 panel air filters are positioned toward the air inlet duct.

Wherein the first connecting structure and the second connecting structure have the same structure.

Wherein, the primary filter part also comprises a support frame; the support frame is fixedly connected with the side plate.

Wherein the plurality of spraying devices adopt water curtain type spraying devices; the water baffles are arranged on the first wall plate and the second wall plate at equal intervals in a crossed manner; the width of the water baffles is adaptive to the width of the first wall plate and the second wall plate.

The application provides a VOC preprocessing device for carry out the preliminary treatment to the gaseous VOC who thoughtlessly has the coating cloud of fluorocarbon spray booth exhaust, in order to obtain clean VOC gas, thereby get into VOC treatment facility and carry out VOC gaseous treatment. The room exhaust that the fluorocarbon spouts is thoughtlessly had the VOC gas of coating cloud to pass through behind the cascade, the part coating cloud of escape sets up behind the cascade first preliminary treatment portion, wherein, a plurality of spray set blowout water curtains are in order to catch a part coating cloud, a plurality of breakwaters block the water droplet that is blown up by the wind, and afterwards, the VOC gas process that thoughtlessly has the coating cloud a plurality of environmental protection filter balls of second preliminary treatment portion further filter steam. Then, reach the primary filter part through air pipe, wherein, first filtration and/or second filtration further filter the VOC gas of thoughtlessly having the coating cloud, get into VOC zeolite gyro wheel processing apparatus by the gaseous clean VOC who just imitates filter part exhaust at last, carry out the gaseous processing of VOC. The VOC preprocessing device that this application provided can carry out the preliminary treatment to the coating cloud that spouts the room escape, gets rid of the coating cloud completely, obtains clean VOC gas, greatly reduced the harm that causes VOC treatment facility, reduced VOC treatment facility's maintenance cost, be favorable to reduction in production cost, be favorable to production safety.

Drawings

FIG. 1 is a schematic view of the VOC pretreatment device.

FIG. 2 is a schematic diagram of the structures of the first and second pre-processing sections.

FIG. 3 is a schematic structural diagram of a primary filter portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention. It should be noted that, in the embodiments and examples of the present application, the feature vectors may be arbitrarily combined with each other without conflict.

The present application provides a VOC pretreatment device, as shown in fig. 1-3, fig. 1 exemplarily shows a schematic structure of the VOC pretreatment device provided by the present application, fig. 2 exemplarily shows a schematic structure of a first pretreatment portion and a second pretreatment portion in the present application, and fig. 3 exemplarily shows a schematic structure of a primary filtration portion in the present application.

As can be seen in conjunction with fig. 1-3, the VOC pretreatment device provided herein can include a primary filtration section 1, a first pretreatment section 2, and a second pretreatment section 3; the first pretreatment part 2, the second pretreatment part 3 and the primary filtration part 1 are communicated through a ventilation pipeline, a first exhaust pipeline 4 and an air inlet pipeline 12 are arranged at two ends of the ventilation pipeline, the first exhaust pipeline 4 is communicated with the first pretreatment part 2 and the second pretreatment part 3, and the air inlet pipeline 12 is communicated with the primary filtration part 1; the primary filter part 1 comprises a connecting structure 10 and a filter structure 11, the connecting structure comprises a first connecting structure 101 and a second connecting structure 102, and the filter structure 11 comprises a first filter structure 111, a second filter structure 112 and a side plate 113; the first connecting structure 101 is fixedly connected with the air inlet pipeline 12 and the side plate 113 respectively, the second connecting structure 102 is fixedly connected with the second air outlet pipeline 13 and the side plate 113 respectively, and the first connecting structure 101, the second connecting structure 102 and the side plate 113 form a closed space; the first filter structure 111 and the second filter structure 112 are detachably connected with the side plate 113, and the first filter structure 111 and the second filter structure 112 are parallel to each other; the first pretreatment part 2 comprises a plurality of spraying devices 21 and a plurality of water baffles 22, and the plurality of spraying devices 21 and the plurality of water baffles 22 are arranged on a first wallboard 23 and a second wallboard 24 of the spraying room; the second pretreatment part 3 comprises a plurality of environment-friendly filter balls 30, the environment-friendly filter balls 30 are arranged at the inlet of the first exhaust pipeline 4 of the spray booth, and the first exhaust pipeline 4 is fixedly connected to the spray booth top plate 25 between the first wallboard 23 and the second wallboard 24 and communicated with the spray booth.

The application provides a VOC preprocessing device, the partial coating cloud of escape is through setting up in first preliminary treatment part 2 behind the cascade, and wherein, a plurality of spray set 21 blowout water curtains are in order to catch partly coating cloud, and a plurality of breakwaters 22 block the water droplet that is blown up by wind, and afterwards, the VOC gas that mixes partial coating cloud is through a plurality of environmental protection filter balls 30 of second preliminary treatment part 3, further filters steam. Then, reach primary filter part 1, wherein, first filtration 111 and/or second filtration 112 carry out further filtration to the VOC gas that mixes the coating cloud, and last primary filter part 1 gets into VOC zeolite roller processing apparatus by the clean VOC gas of second exhaust duct 13 discharge, carries out VOC gas treatment. The VOC preprocessing device that this application provided can carry out the preliminary treatment to the coating cloud that spouts the room escape, gets rid of the coating cloud completely, obtains clean VOC gas, greatly reduced the harm that causes VOC treatment facility, reduced VOC treatment facility's maintenance cost, be favorable to reduction in production cost.

In the VOC pretreatment device provided herein, the first filter structure 111 may be constructed by stacking a plurality of first G3 panel air filters 111a and a plurality of first G2 panel air filters 111 b; the first G3 plate type air filters 111a are arranged at one end close to the second exhaust duct 13, and the first G2 plate type air filters 111b are arranged at one end far away from the second exhaust duct 13; the second filter structure 112 is identical in composition to the first filter structure 111 and includes a plurality of second G3 panel air filters 112a and a plurality of second G2 panel air filters 112 b; a second plurality of G3 panel air filters 112a are positioned away from the end of the air inlet duct 12 and a second plurality of G2 panel air filters 112b are positioned toward the end of the air inlet duct 12.

Illustratively, the first filter structure 111 is constructed by stacking 6 pieces of the first G3 panel air filter 111a and 6 pieces of the first G2 panel air filter 111b, with the 6 pieces of the first G3 panel air filter 111a stacked above the 6 pieces of the first G2 panel air filter 111b, as shown in FIG. 3. The second filter structure 112 is identical to the first filter structure 111 and is constructed by stacking 6 second G3 panel air filters 112a and 6 second G2 panel air filters 112b, with the 6 second G3 panel air filters 112a stacked above the 6 second G2 panel air filters 112 b.

The first filter structure 111 and the second filter structure 112 are detachably connected to the side plate 113, and specifically, a drawer-type detachable connection manner may be selected. The first filter structure 111 and the second filter structure 112 can be used simultaneously or alternatively, and in this embodiment, the alternative mode is selected.

When only the second filter structure 112 is used, the VOC gas mixed with the paint mist enters the primary filter portion 1 through the air inlet duct 12, and passes through the 6 second G2 panel air filters 112b of the second filter structure 112 to remove a part of the paint mist, and then passes through the 6 second G3 panel air filters 112a of the second filter structure 112 to remove the remaining part of the paint mist mixed with the VOC gas, so as to obtain a clean VOC gas.

When only the first filtering structure 111 is used, the VOC gas mixed with paint mist enters the primary filtering portion 1 through the air inlet duct 12, and passes through the 6 first G2 plate air filters 111b of the first filtering structure 111 to remove part of the paint mist, and then passes through the 6 first G3 plate air filters 111a of the first filtering structure 111 to remove the rest of the paint mist mixed with the VOC gas, so as to obtain clean VOC gas.

The design of the double-layer filtering structure can fully ensure that the paint mist is completely removed when the double layers are used, and can also completely remove the paint mist when only one layer of filtering structure is used, and the filter is convenient to replace and clean. For example, after only using the first filtering structure 111 for a period of time, the filter needs to be cleaned and replaced, before taking out the first filtering structure 111, the second filtering structure 112 is inserted, so that the first filtering structure 111 can be drawn out while the production line is not affected, so as to clean and replace the filter, and the operation process is very simple and convenient.

In the VOC pretreatment device provided by the present application, the first connection structure 101 and the second connection structure 102 have the same structure, and both adopt square and round parts. The primary filter part 1 further comprises a support frame 14, and the support frame 14 is fixedly connected with the side plate 113 and used for erecting the whole primary filter part on a platform.

Among the VOC preprocessing device that this application provided, a plurality of spray set 21 adopt water curtain formula spray set, and a plurality of breakwaters 22 equidistance, alternately divide locate first wallboard 23 and second wallboard 24 on, the width of a plurality of breakwaters 22 suits with the width of first wallboard 23 and second wallboard 24. In the present embodiment, two water curtain type spraying devices 21 are provided, which are disposed on the first wall plate 23 and the second wall plate 24 at the same height for catching part of escaping paint mist. In this embodiment, 5 water baffles 22 are further provided, and are equidistantly and crosswise arranged on the first wall plate 23 and the second wall plate 24, so as to block the water droplets blown by the wind.

It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.

The above embodiments are merely to illustrate the technical solution of the present invention, not to limit the same, and the present invention is described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the true spirit and scope of the novel concept as defined by the appended claims.

Claims

1. A VOC pretreatment device, which is characterized by comprising a primary filtration part (1), a first pretreatment part (2) and a second pretreatment part (3);

the first pretreatment part (2), the second pretreatment part (3) and the primary filter part (1) are communicated with each other through a ventilation pipeline, the two ends of the ventilation pipeline are provided with a first exhaust pipeline (4) and an air inlet pipeline (12), the first exhaust pipeline (4) is communicated with the first pretreatment part (2) and the second pretreatment part (3), and the air inlet pipeline (12) is communicated with the primary filter part (1);

the primary filter part (1) comprises a connecting structure (10) and a filter structure (11), the connecting structure comprises a first connecting structure (101) and a second connecting structure (102), and the filter structure (11) comprises a first filter structure (111), a second filter structure (112) and a side plate (113);

the first connecting structure (101) is fixedly connected with the air inlet pipeline (12) and the side plate (113) respectively, the second connecting structure (102) is fixedly connected with the second air outlet pipeline (13) and the side plate (113) respectively, and the first connecting structure (101), the second connecting structure (102) and the side plate (113) form a closed space;

the first filter structure (111) and the second filter structure (112) are detachably connected with the side plate (113), and the first filter structure (111) and the second filter structure (112) are parallel to each other;

the first pretreatment part (2) comprises a plurality of spraying devices (21) and a plurality of water baffles (22), and the plurality of spraying devices (21) and the plurality of water baffles (22) are arranged on a first wall plate (23) and a second wall plate (24) of the spray room;

second preliminary treatment portion (3) are including a plurality of environmental protection filter balls (30), a plurality of environmental protection filter balls (30) set up in the first exhaust duct (4) entrance of spouting the room, first exhaust duct (4) fixed connection be in spout room roof (25) between first wallboard (23) and second wallboard (24), and with spout the room intercommunication.

2. A VOC pretreatment device as claimed in claim 1,

the first filter structure (111) is constructed from a stack of pieces of a first G3 panel air filter (111a) and a piece of a first G2 panel air filter (111 b);

wherein the plurality of first G3 panel air filters (111a) are arranged at one end close to the second exhaust duct (13), and the plurality of first G2 panel air filters (111b) are arranged at one end far away from the second exhaust duct (13);

the second filter structure (112) is identical in composition to the first filter structure (111), and includes a second plurality of G3 panel air filters (112a) and a second plurality of G2 panel air filters (112 b);

wherein the second plurality of G3 panel air filters (112a) are positioned away from the air inlet duct (12) and the second plurality of G2 panel air filters (112b) are positioned toward the air inlet duct (12).

3. The VOC pretreatment device according to claim 1 wherein the first attachment structure (101) and the second attachment structure (102) are identical in structure.

4. A VOC pretreatment device according to claim 1 wherein the primary filtration section (1) further comprises a support frame (14);

the support frame (14) is fixedly connected with the side plate (113).

5. The VOC pretreatment device of claim 1 wherein said plurality of spray devices (21) are water curtain spray devices;

the water baffles (22) are arranged on the first wall plate (23) and the second wall plate (24) at equal intervals in a crossed manner;

the width of the water baffles (22) is adapted to the width of the first wall panel (23) and the second wall panel (24).