CN217340819U

CN217340819U - VOCs exhaust-gas treatment equipment

Info

Publication number: CN217340819U
Application number: CN202220258710.4U
Authority: CN
Inventors: 王家昌; 徐罡
Original assignee: Nanjing Ruitelai Ecological Environment Co ltd
Current assignee: Anhui Youhe Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-09-02
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a VOCs waste gas treatment device, which comprises a negative pressure air inlet pipeline, a combustion chamber and a biological treatment tower, wherein the bottom of one end of the biological treatment tower is fixedly provided with a one-way air inlet valve, one end of the one-way air inlet valve is fixedly connected with a conveying pipeline, the exhaust end of the combustion chamber at one end of the conveying pipeline is communicated, the top end of the biological treatment tower is fixedly provided with a sealing cap, the top end of the sealing cap is fixedly provided with an extension pipeline, one end of the extension pipeline is connected with an exhaust funnel, and the middle part of the inner cavity of the biological treatment tower is fixedly provided with a hydrophobic molecular sieve, the utility model has a plurality of treatment technologies of combustion treatment, biological treatment, spray treatment, ultraviolet oxidation treatment and the like, can deal with VOCs waste gas in different fields, has wide application range, and is convenient for absorbing unprocessed organic substances and inorganic substances through an active carbon fiber block, a silica gel ventilation sleeve, a first biological carbon column and a second biological carbon column, greatly improving the emission standard of waste gas and having strong practicability.

Description

VOCs exhaust-gas treatment equipment

Technical Field

The utility model relates to a waste gas treatment equipment, in particular to VOCs waste gas treatment equipment belongs to exhaust-gas treatment technical field.

Background

Volatile Organic Compounds (VOCs), which are sometimes also denoted by TVOC, are generally classified into several categories, such as non-methane hydrocarbons, oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds, and the like, and VOCs participate in the formation of ozone and secondary aerosol in the atmospheric environment, which have important effects on regional atmospheric ozone pollution and PM2.5 pollution. Most VOCs have uncomfortable special odor and have toxicity, irritation, teratogenicity and carcinogenic effect, particularly benzene, toluene, formaldehyde and the like can cause great harm to human health, and the VOCs are important precursors causing city haze and photochemical smog and mainly come from the processes of coal chemical industry, petrochemical industry, fuel coating manufacturing, solvent manufacturing, using and the like.

VOCs need reach certain emission standard and can discharge, consequently need carry out the exhaust-gas treatment operation to VOCs, but present exhaust-gas treatment mostly only has single processing mode, for example adsorption treatment, ultraviolet light oxidation treatment etc. though have certain treatment effect, nevertheless because waste gas organic matter content is different, lead to holistic treatment effect not good and the little defect in adaptation position, for this reason, provide a VOCs exhaust-gas treatment equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a VOCs exhaust-gas treatment equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: VOCs waste gas treatment equipment comprises a negative pressure air inlet pipeline, a combustion chamber and a biological treatment tower, the air inlet end of the combustion chamber is connected with a negative pressure air inlet pipeline, the bottom of one end of the biological treatment tower is fixedly provided with a one-way air inlet valve, one end of the one-way air inlet valve is fixedly connected with a conveying pipeline, the exhaust end of a combustion chamber at one end of the conveying pipeline is communicated, the top end of the biological treatment tower is fixedly provided with a sealing head cover, the top end of the sealing head cover is fixedly provided with an extension pipeline, one end of the extension pipeline is connected with an exhaust funnel, the middle part of the inner cavity of the biological treatment tower is fixedly provided with a hydrophobic molecular sieve, the biological filler layer is fixedly filled in the hydrophobic molecular sieve, the ultraviolet oxidation lamp is fixedly arranged in the sealing cap, the top fixed mounting of biological treatment tower inner chamber has spray pipe, spray pipe's bottom fixed mounting has evenly to spill the joint.

As an optimized technical scheme of the utility model, the equal fixed mounting in both sides of extension pipeline inner chamber has activated carbon fiber piece, two top fixed mounting between the activated carbon fiber piece has the silica gel cover of ventilating.

As an optimal technical scheme of the utility model, the inside fixed mounting of aiutage has first charcoal post and second charcoal post, first charcoal post is located the bottom of second charcoal post.

As an optimal technical scheme of the utility model, the bottom fixed mounting of biological treatment tower has the backflow pipeline, the fixed check valve that is equipped with of one end of backflow pipeline.

As a preferred technical scheme of the utility model, the external fixed surface of combustion chamber is equipped with adiabatic lag, the top of adiabatic lag is connected with the insulating tube, insulating tube and spray line intercommunication, one side fixed mounting of adiabatic lag has conduit, conduit's one end is connected with the circulating pump.

As a preferred technical scheme of the utility model, installing of adiabatic lag twines the heat absorption coil pipe, the both ends of twining the heat absorption coil pipe communicate with insulating tube and raceway respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a VOCs exhaust-gas treatment equipment, through the combustion chamber that is equipped with, pipeline, hydrophobic nature molecular sieve, biological packing layer, spray the pipeline, evenly spill and connect and ultraviolet oxidation lamp, combustion processing has, biological treatment, multiple processing techniques such as spray processing and ultraviolet oxidation processing, deal with the VOCs waste gas in different fields, accommodation is wide, and pass through activated carbon fiber piece, silica gel cover of ventilating, first biochar column and second biochar column, be convenient for absorb unprocessed organic matter and inorganic matter, the emission standard of waste gas has been improved greatly, therefore, the clothes hanger is strong in practicability.

2. The utility model relates to a VOCs exhaust-gas treatment equipment, through the ring pump that is equipped with, conduit, adiabatic lag and insulating tube, the heat that the combustion chamber produced is absorbed by the inside rivers that flow of winding heat absorption coil, and then improves the heat that sprays rivers, guarantees the utilization of heat and retrieves on the one hand, and on the other hand improves the effect that sprays, convenient to use.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the biological treatment tower of the present invention;

fig. 3 is a schematic structural view of the exhaust funnel of the present invention.

In the figure: 1. a negative pressure air intake duct; 2. a combustion chamber; 3. a delivery conduit; 4. a one-way intake valve; 5. a biological treatment tower; 6. a sealing cover; 7. a return line; 8. a circulation pump; 9. a water delivery pipeline; 10. a heat-insulating protective sleeve; 11. a heat-insulating pipeline; 12. a hydrophobic molecular sieve; 13. a biological filler layer; 14. a spray pipe; 15. a uniformly spraying joint; 16. an ultraviolet oxidation lamp; 17. an extension duct; 18. activated carbon fiber block; 19. a silica gel ventilation sleeve; 20. an exhaust funnel; 21. a first biochar column; 22. a second biochar column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution of a VOCs waste gas treatment apparatus:

according to the illustrations in fig. 1-3, comprising a negative pressure inlet conduit 1, combustion chamber 2 and biological treatment tower 5, the inlet end and the negative pressure admission line 1 of combustion chamber 2 are connected, the bottom fixed mounting of 5 one ends of biological treatment tower has one-way admission valve 4, the one end fixedly connected with pipeline 3 of one-way admission valve 4, the exhaust end intercommunication of 2 of one end combustion chamber of pipeline 3, the top fixed mounting of biological treatment tower 5 has head cover 6, the top fixed mounting of head cover 6 has extension pipeline 17, the one end of extension pipeline 17 is connected with aiutage 20, the middle part fixed mounting of 5 inner chambers of biological treatment tower has hydrophobic molecular sieve 12, the inside fixed packing of hydrophobic molecular sieve 12 has bio-packing layer 13, the inside fixed mounting of head cover 6 has ultraviolet oxidation lamp 16, the top fixed mounting of 5 inner chambers of biological treatment tower has spray pipe 14, the bottom fixed mounting of spray pipe 14 has even sprinkling and connects 15.

According to the fig. 1 and fig. 2, both sides of the inner cavity of the extension pipe 17 are fixedly provided with activated carbon fiber blocks 18, the top between the two activated carbon fiber blocks 18 is fixedly provided with a silica gel ventilation sleeve 19 for filtering unprocessed organic substances in the waste gas, the interior of the exhaust funnel 20 is fixedly provided with a first biochar column 21 and a second biochar column 22, the first biochar column 21 is positioned at the bottom of the second biochar column 22 for absorbing unprocessed organic substances, the bottom of the biological treatment tower 5 is fixedly provided with a return pipe 7, one end of the return pipe 7 is fixedly provided with a check valve for discharging the processed waste liquid for convenient recovery, the outer surface of the combustion chamber 2 is fixedly provided with a heat insulation protective cover 10, the top of the heat insulation protective cover 10 is connected with a heat insulation pipe 11, the heat insulation pipe 11 is communicated with a spray pipe 14, one side of the heat insulation protective cover 10 is fixedly provided with a water pipe 9, one end of the water pipeline 9 is connected with a circulating pump 8, the heat insulation protective sleeve 10 is provided with a winding heat absorption coil, and two ends of the winding heat absorption coil are respectively communicated with the heat insulation pipeline 11 and the water pipeline 9, so that heat can be conveniently recycled, and the spraying effect is improved.

When in use, the utility model relates to a VOCs waste gas treatment equipment, VOCs waste gas enters into the inside of combustion chamber 2 through negative pressure admission line 1, combustion chamber 2 ignites burning VOCs waste gas, and carry the waste gas after burning to the inside of biological treatment tower 5, circulating pump 8 extracts rivers to conduit 9, carry the winding heat absorption coil pipe through conduit 9, absorb the unnecessary heat that combustion chamber 2 produced, and then carry even sprinkling joint 15 department through heat preservation pipeline 11, carry out spray treatment to the waste gas that enters into biological treatment tower 5, waste gas rises in-process and the little biological oxidation treatment in the bio-packing layer 13, reduce organic matter content, the waste gas that rises to ultraviolet oxidation lamp 16 department is treated by ultraviolet oxidation immediately, last waste gas passes through activated carbon fiber block 18, silica gel ventilation cover 19, first biological carbon column 21 and second biological carbon column 22, fully get rid of the organic matter and the inorganic matter of waste gas, improved the emission standard of waste gas greatly, the practicality is strong, and in the processing procedure, the heat that 2 combustors produced is absorbed by the rivers of winding the inside flow of heat absorption coil, and then improves the heat that sprays rivers, guarantees the utilization of heat and retrieves on the one hand, and on the other hand improves the effect that sprays, convenient to use.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a VOCs exhaust-gas treatment equipment, includes negative pressure admission line (1), combustion chamber (2) and biological treatment tower (5), its characterized in that, the inlet end and the negative pressure admission line (1) of combustion chamber (2) are connected, the bottom fixed mounting of biological treatment tower (5) one end has one-way admission valve (4), the one end fixedly connected with pipeline (3) of one-way admission valve (4), the exhaust end intercommunication of the one end combustion chamber (2) of pipeline (3), the top fixed mounting of biological treatment tower (5) has head cover (6), the top fixed mounting of head cover (6) has extension pipeline (17), the one end of extension pipeline (17) is connected with aiutage (20), the middle part fixed mounting of biological treatment tower (5) inner chamber has hydrophobic molecular sieve (12), the inside fixed packing of hydrophobic molecular sieve (12) has bio-filler layer (13), the inside fixed mounting of closing cap (6) has ultraviolet oxidation lamp (16), the top fixed mounting of biological treatment tower (5) inner chamber has spray pipe (14), the bottom fixed mounting of spray pipe (14) evenly sprinkles joint (15).

2. The apparatus of claim 1 for treating waste gases containing VOCs, wherein: the two sides of the inner cavity of the extension pipeline (17) are fixedly provided with activated carbon fiber blocks (18), and the top between the activated carbon fiber blocks (18) is fixedly provided with a silica gel ventilation sleeve (19).

3. A VOCs effluent treatment plant as claimed in claim 1, wherein: the exhaust funnel (20) is fixedly provided with a first biochar column (21) and a second biochar column (22) inside, and the first biochar column (21) is located at the bottom of the second biochar column (22).

4. A VOCs effluent treatment plant as claimed in claim 1, wherein: the bottom fixed mounting of biological treatment tower (5) has backflow pipeline (7), the fixed check valve that is equipped with of one end of backflow pipeline (7).

5. A VOCs effluent treatment plant as claimed in claim 1, wherein: the outer fixed surface of combustion chamber (2) is equipped with adiabatic lag (10), the top of adiabatic lag (10) is connected with insulating tube (11), insulating tube (11) and spray piping (14) intercommunication, one side fixed mounting of adiabatic lag (10) has conduit (9), the one end of conduit (9) is connected with circulating pump (8).

6. The apparatus of claim 5 for treating waste gases containing VOCs, wherein: the heat-insulation protecting jacket (10) is provided with a winding heat-absorption coil pipe, and two ends of the winding heat-absorption coil pipe are respectively communicated with a heat-insulation pipeline (11) and a water conveying pipeline (9).