CN218516439U

CN218516439U - VOC processing apparatus

Info

Publication number: CN218516439U
Application number: CN202221616167.7U
Authority: CN
Inventors: 朱翌; 朱兴华; 朱文虎; 周波
Original assignee: Changzhou Jiaruite Environmental Protection Energy Technology Co ltd
Current assignee: Changzhou Jiaruite Environmental Protection Energy Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2023-02-24
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to the technical field of VOC waste gas treatment, in particular to a VOC treatment device, which comprises a spray room, a photocatalysis room and a purification room, wherein the spray room is communicated with the photocatalysis room through a circulation hole, and the photocatalysis room is communicated with the purification room through an exhaust pipe; the utility model provides a to VOC exhaust treatment effectual, convenient VOC exhaust treatment device is changed to ultraviolet lamp fluorescent tube and catalyst board.

Description

VOC processing apparatus

Technical Field

The utility model relates to a VOC exhaust-gas treatment technical field, in particular to VOC processing apparatus.

Background

The VOC exhaust gas is a general term for volatile organic compounds, and includes organic compounds such as hydrocarbon compounds, benzene and benzene series, alcohols, ketones, phenols, aldehydes, esters, amines, nitriles, and cyanogen, which are mainly generated from printing ink in printing factories, exhaust gas in paint spray booths, exhaust gas in rubber factories, exhaust gas in pharmaceutical factories, and the like. Since VOC exhaust gas contains a large amount of harmful substances, it is necessary to treat the VOC exhaust gas before it is discharged into the atmosphere.

The treatment of VOC waste gas usually involves photocatalytic treatment, but the treatment effect of the currently applied photocatalytic treatment device on VOC waste gas is not good, the treatment on VOC waste gas is not thorough, and the environmental protection requirements specified by the state cannot be met. In addition, the installation of ultraviolet lamp tube and catalyst board in current photocatalysis processing apparatus is fixed, and it is inconvenient to change to influence the efficiency of maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defect and not enough that prior art exists, providing one kind and effectual, convenient VOC exhaust treatment device is changed to ultraviolet lamp fluorescent tube and catalyst board to VOC exhaust treatment.

Realize the utility model discloses the technical scheme of purpose is: the VOC treatment device comprises a spray chamber, a photocatalytic chamber and a purification chamber, wherein the spray chamber is communicated with the photocatalytic chamber through circulation holes, and the photocatalytic chamber is communicated with the purification chamber through an exhaust pipe.

Furthermore, a spray pipe is arranged in the spray chamber, a plurality of spray heads are arranged on the spray pipe, and the spray pipe is communicated with the liquid storage tank through a water delivery pipe.

Further, still be equipped with equipartition ware and dry layer in the spray chamber, the equipartition ware is located between air inlet and the shower, the dry layer is located between opening and the shower.

Furthermore, an ultraviolet lamp tube and a catalyst plate are arranged in the photocatalytic chamber, the top end of the ultraviolet lamp tube is connected with the photocatalytic chamber through a threaded component, and two ends of the catalyst plate are respectively connected with the photocatalytic chamber in an inserted mode.

Further, the screw assembly comprises a fixing portion and a screw portion, the top end of the fixing portion is fixedly connected with the top wall of the photocatalytic chamber, a through hole is formed in the fixing portion, and the bottom end of the screw portion is in threaded connection with the top wall of the photocatalytic chamber.

Furthermore, magnets are embedded in the top surface of the fixing part and the bottom surface of the threaded part.

Furthermore, an adsorption layer is arranged in the purification chamber.

Further, the blast pipe passes through communicating pipe and photocatalysis room intercommunication, be equipped with draught fan, detector and first control valve on the pipeline of blast pipe, be equipped with the second control valve on the pipeline of communicating pipe.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) The utility model treats different materials in the VOC waste gas through the arrangement of the spray chamber, the photocatalysis chamber and the purification chamber, and simultaneously leads the waste gas with substandard VOC material concentration in the exhaust pipe into the photocatalysis chamber again for treatment through the arrangement of the communicating pipe and the detector, thereby leading the VOC waste gas discharged into the atmosphere to meet the environmental protection requirement of the national regulation;

(2) The utility model discloses a setting of screw thread subassembly for the installation of ultraviolet lamp fluorescent tube is very convenient with the dismantlement, thereby the change of the ultraviolet lamp fluorescent tube of being convenient for has improved maintenance efficiency.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the spray chamber of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is an enlarged view of a portion B in fig. 1.

In the figure: spray room 1, shower 1a, shower nozzle 1b, raceway 1c, equipartition ware 1d, drying layer 1e, circulating pipe 1f, photocatalysis room 2, ultraviolet lamp fluorescent tube 2a, catalyst board 2b, passageway 2b1, clean room 3, adsorbed layer 3a, circulation hole 4, blast pipe 5, liquid reserve tank 6, air inlet 7, screw assembly 8, fixed part 8a, through-hole 8a1, screw portion 8b, magnet 9, communicating pipe 10, draught fan 11, detector 12, first control valve 13, second control valve 14, gas vent 15, filter screen 16.

Detailed Description

Example 1

As shown in fig. 1-4, a VOC treatment device comprises a spray room 1, a photocatalytic room 2 and a purification room 3, wherein the spray room 1 is communicated with the photocatalytic room 2 through a circulation hole 4, the circulation hole 4 is arranged at the top of the right side wall of the spray room 1, the photocatalytic room 2 is communicated with the purification room 3 through an exhaust pipe 5, an air inlet 7 is arranged at the bottom of the left side wall of the spray room 1, an exhaust port 15 is arranged at the top of the purification room 3, the exhaust pipe 5 is communicated with the top of the photocatalytic room 2 through a communication pipe 10, an induced draft fan 11, a detector 12 and a first control valve 13 are arranged on a pipeline of the exhaust pipe 5, the detector 12 is arranged between the communication pipe 10 and the induced draft fan 11, the first control valve 13 is arranged behind the communication pipe 10, a second control valve 14 is arranged on the pipeline of the communication pipe 10, the induced draft fan 11, the detector 12, the first control valve 13 and the second control valve 14 are controlled by a control system, different VOCs in the waste gas are treated through the arrangement of the spray room 1, the photocatalytic room 2 and the purification room 3, the VOC is combined with the detector 12, the arrangement of the first control valve 13 and the second control valve 14, the VOC emission pipe 5, the VOC emission of the exhaust pipe 5 is further, the VOC treatment device meets the national environmental protection requirements of the VOC emission of the exhaust pipe 5, and the exhaust pipe. When the detector 12 detects that the concentration of the VOC substances in the exhaust pipe 5 is too high, the control system controls to close the first control valve 13 and open the second control valve 14 at the same time; otherwise, the control system controls to open the first control valve 13 and close the second control valve 14. Specifically, be equipped with shower 1a, equipartition ware 1d and dry layer 1e in spray chamber 1, equipartition ware 1d is located between air inlet 7 and shower 1a, and equipartition ware 1d makes VOC waste gas and spray liquid fully contact, improves the treatment effeciency of the solid waste gas granule in the VOC waste gas, and dry layer 1e is located between opening 4 and shower 1a, and dry layer 1e carries out the drying to the VOC waste gas after spraying liquid and handling. Evenly be equipped with a plurality of atomizer 1b on shower 1a, raceway 1c and liquid reserve tank 6 intercommunication are passed through at the middle part of shower 1a, liquid reserve tank 6 passes through circulating pipe 1f and spray room 1's bottom intercommunication, filter screen 16 is installed to the left end of circulating pipe 1f, setting through spray room 1, solid exhaust gas particles to in the VOC waste gas are handled, the spray liquid after the processing falls into spray room 1's bottom and collects, filter screen 16 filters the spray liquid that gets into circulating pipe 1f, the spray liquid that avoids containing solid exhaust gas particles gets into liquid reserve tank 6. Through the arrangement of the water delivery pipe 1c, the circulating pipe 1f and the liquid storage tank 6, the spraying liquid is recycled, and the energy-saving and environment-friendly effects are achieved. Be equipped with ultraviolet lamp fluorescent tube 2a and catalyst board 2b in the photocatalysis room 2, through ultraviolet lamp fluorescent tube 2a and catalyst board 2b for the VOC material in the VOC waste gas reacts with catalyst, and then makes the VOC material decompose into water and harmless gas. The top of ultraviolet lamp fluorescent tube 2a is passed through threaded component 8 and is connected with the roof of photocatalysis room 2, catalyst board 2 b's both ends are pegged graft with the roof and the diapire of photocatalysis room 2 respectively, the front of photocatalysis room 2 is equipped with the maintenance door that can open, setting through threaded component 8, it is very convenient to make the installation and the dismantlement of ultraviolet lamp fluorescent tube 2a, thereby be convenient for the change of ultraviolet lamp fluorescent tube 2a, peg graft through catalyst board 2b and photocatalysis room 2, it is very convenient to make the installation and the dismantlement of catalyst board 2b, thereby be convenient for the change of catalyst board 2b, the maintenance efficiency is improved. Specifically, the screw assembly includes fixed part 8a and screw thread portion 8b, fixed part 8a is the round platform form, screw thread portion 8b is the round platform form, fixed part 8 a's top and photocatalytic chamber 2's roof fixed connection, through-hole 8a1 that link up is seted up at fixed part 8 a's middle part, screw thread portion 8 b's bottom and photocatalytic chamber 2's roof threaded connection, fixed part 8 a's top surface is contradicted with screw thread portion 8 b's bottom surface, screw thread portion 8 b's bottom surface is connected with ultraviolet lamp fluorescent tube 2 a's top, screw thread portion 8 b's top surface is equipped with the plug of being connected with ultraviolet lamp fluorescent tube 2a, ultraviolet lamp fluorescent tube 2 a's bottom is passed through-hole 8a1 and is extended to in the photocatalytic chamber 2. The catalyst plate 2b is evenly provided with V-shaped channels 2b1, and the arrangement of the channels 2b1 improves the contact time of VOC waste gas and the catalyst, thereby improving the treatment effect. Be equipped with activated carbon adsorption layer 3a in clean room 3, activated carbon adsorption layer 3a further purifies the VOC waste gas after photo-oxidation catalysis to further guarantee that the gas after the emission accords with the environmental protection requirement of national regulation.

During the installation of ultraviolet lamp fluorescent tube 2a, aim at ultraviolet lamp fluorescent tube 2a through-hole 8a1 and insert photocatalysis room 2 in, then clockwise rotation screw thread portion 8b makes the external screw thread of screw thread portion 8b and the internal thread threaded connection of 2 roof of photocatalysis room, contradicts with the top surface of fixed part 8a until the bottom surface of screw thread portion 8 b. When the ultraviolet lamp tube 2a is disassembled, the threaded part 8b only needs to be rotated anticlockwise.

During actual treatment, VOC waste gas gets into spray room 1 from air inlet 7, and the spray liquid in with liquid reserve tank 6 through the water pump simultaneously is carried to shower 1a by raceway 1c, and the spray liquid is sprayed the VOC waste gas in spray room 1 by shower nozzle 1b blowout on the shower 1 a. The VOC waste gas after the treatment of the spray chamber 1 enters the photocatalytic chamber 2 through the circulation hole 4, is subjected to photo-oxidation catalysis in the photocatalytic chamber 2, is introduced into the purification chamber 3 through the induced draft fan 11, and is purified again through the activated carbon adsorption layer 3a and then is discharged into the atmosphere through the exhaust port 15.

Example 2

As shown in fig. 4, the processing apparatus of example 2 has the same structure as that of example 1, except that magnets 9 are embedded in both the top surface of the fixing portion 8a and the bottom surface of the screw portion 8b, and the stability of the connection between the screw portion 8b and the top wall of the photocatalytic chamber 2 is further improved by the magnets 9.

The above-mentioned embodiments, which further illustrate the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A VOC processing apparatus which characterized in that: including spray booth (1), photocatalysis room (2) and clean room (3), spray booth (1) and photocatalysis room (2) are through circulation hole (4) intercommunication, photocatalysis room (2) and clean room (3) are through blast pipe (5) intercommunication.

2. A VOC treatment apparatus according to claim 1, wherein: the spraying device is characterized in that a spraying pipe (1 a) is arranged in the spraying chamber (1), a plurality of spray heads (1 b) are arranged on the spraying pipe (1 a), and the spraying pipe (1 a) is communicated with the liquid storage tank (6) through a water conveying pipe (1 c).

3. A VOC treatment apparatus as claimed in claim 2, wherein: the spray chamber (1) is also internally provided with an equipartition device (1 d) and a drying layer (1 e), the equipartition device (1 d) is positioned between the air inlet (7) and the spray pipe (1 a), and the drying layer (1 e) is positioned between the circulation hole (4) and the spray pipe (1 a).

4. A VOC treatment apparatus according to claim 1, wherein: the photocatalysis chamber is characterized in that an ultraviolet lamp tube (2 a) and a catalyst plate (2 b) are arranged in the photocatalysis chamber (2), the top end of the ultraviolet lamp tube (2 a) is connected with the photocatalysis chamber (2) through a threaded component (8), and the two ends of the catalyst plate (2 b) are respectively spliced with the photocatalysis chamber (2).

5. A VOC treatment apparatus as claimed in claim 4, wherein: the screw assembly comprises a fixing portion (8 a) and a screw portion (8 b), the top end of the fixing portion (8 a) is fixedly connected with the top wall of the photocatalytic chamber (2), a through hole (8 a 1) is formed in the fixing portion (8 a), and the bottom end of the screw portion (8 b) is in threaded connection with the top wall of the photocatalytic chamber (2).

6. A VOC treatment apparatus as claimed in claim 5, wherein: magnets (9) are embedded in the top surface of the fixing portion (8 a) and the bottom surface of the threaded portion (8 b).

7. A VOC treatment apparatus according to claim 1, wherein: an adsorption layer (3 a) is arranged in the purification chamber (3).

8. A VOC treatment apparatus according to claim 1, wherein: blast pipe (5) are through communicating pipe (10) and photocatalysis room (2) intercommunication, be equipped with draught fan (11), detector (12) and first control valve (13) on the pipeline of blast pipe (5), be equipped with second control valve (14) on the pipeline of communicating pipe (10).