CN213132665U

CN213132665U - VOCs purification treatment device

Info

Publication number: CN213132665U
Application number: CN202021561389.4U
Authority: CN
Inventors: 刘宝林
Original assignee: Xinxiang Haosheng Environmental Protection Equipment Co ltd
Current assignee: Xinxiang Haosheng Environmental Protection Equipment Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-07
Anticipated expiration: 2030-07-31

Abstract

A VOCs purifying treatment device effectively solves the problems of uneven distribution of VOCs gas, short reaction time, poor purifying effect and the like, and comprises a main body, wherein an air inlet and an air outlet are respectively arranged at the upper end and the lower end of the main body, a cover body communicated with the air inlet is fixed on the main body, a disc is fixed on the lower end face of the cover body, a plurality of through holes are arranged in the disc, the diameter of each through hole is sequentially increased from the central position of the disc to the edge direction of the disc, a rotating shaft is arranged in the main body, a first baffle disc and a second baffle disc are coaxially fixed on the rotating shaft, a plurality of high-energy ultraviolet lamp tubes are uniformly distributed and fixed between the first baffle disc and the second baffle disc, a conductive disc positioned outside the main body is coaxially fixed on the rotating shaft, a first electric wire electrically connected with the conductive disc is axially arranged in the rotating shaft, the first electric wire is electrically connected with the, an ozone catalyst net positioned below the high-energy ultraviolet lamp tube is fixed in the main body.

Description

VOCs purification treatment device

Technical Field

The utility model relates to an exhaust purification technical field especially relates to a VOCs purification unit.

Background

VOCs are volatile organic compounds which are active in the atmosphere, which not only directly harm human health, but also can form photochemical smog, organic aerosol and other secondary pollutants in the atmosphere, reduce the discharge of VOCs, contribute to improving the environmental air quality and ensuring human health, and are urgent requirements for social and economic sustainable development.

VOCs purification equipment is mainly adopted for treating VOCs volatile organic compounds, the wavelength of ultraviolet light generated by a high-energy ultraviolet lamp tube in the VOCs purification equipment is 150-184nm, the generated light energy is 472-647KJ/mol, and the chain breaking energy of C-C, C-H and the like in the volatile organic compounds is generally 300 KJ/mol. Therefore, the high-energy ultraviolet lamp can provide enough energy to break and digest most of volatile organic compounds. However, in the existing purification treatment device, VOCs waste gas is conveyed to the reaction cavity in a centralized manner, and the problems of nonuniform distribution of VOCs gas, short reaction time, poor illumination intensity and the like generally exist, so that the efficiency and the working efficiency are greatly influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model aims at providing a VOCs purification treatment device, the effectual VOCs gas distribution who has solved is inhomogeneous, and reaction time is short, the poor scheduling problem of purifying effect.

The technical scheme for solving the problem is that the device comprises a main body, wherein an air inlet is formed in the upper end of the main body, an air outlet is formed in the lower end of the main body, a cover body communicated with the air inlet is fixed on the main body, the cover body is of a hollow conical body structure, a disc is fixed on the lower end face of the cover body, a plurality of through holes in the vertical direction are uniformly distributed in the disc, and the diameters of the through holes are sequentially increased from the center position of the disc to the edge direction of the disc;

the main part internal rotation is connected with the axis of rotation that the horizontal direction set up, the axis of rotation coaxial fixed has the first fender dish and the second fender dish that are located the main part inside, the equipartition is fixed with a plurality of high energy ultraviolet fluorescent tubes between first fender dish and the second fender dish, the axis of rotation coaxial fixed has the electrically conductive dish that is located the main part outside, the inside axial of axis of rotation installs the first electric wire with electrically conductive dish electric connection, the axis of rotation radially is equipped with a plurality of wire holes, the left end of first electric wire is connected with the second electric wire that is located the wire hole, the other end and the high energy ultraviolet fluorescent tube electric connection of second electric wire, fixed electrically conductive driving lever that contacts with electrically conductive dish in the main part, the main part internal fixation has.

The utility model discloses the structure is ingenious, easy operation, and degree of automation is high, has improved photodissociation efficiency, and VOCs exhaust-gas treatment is effectual, labour saving and time saving.

Drawings

Fig. 1 is a schematic view of a front view of the present invention.

Fig. 2 is a partially enlarged schematic view of a in fig. 1.

Fig. 3 is a schematic diagram of the distribution of the high-energy uv lamp of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the middle cover body of the present invention.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a VOCs purification treatment device comprises a main body 1, an air inlet 2 is arranged at the upper end of the main body 1, an air outlet 3 is arranged at the lower end of the main body 1, a cover body 4 communicated with the air inlet 2 is fixed on the main body 1, the cover body 4 is of a hollow conical body structure, a disc 5 is fixed on the lower end surface of the cover body 4, a plurality of through holes 6 in the vertical direction are uniformly distributed in the disc 5, and the diameters of the through holes 6 are sequentially increased from the central position of the disc 5 to the edge direction of the disc 5;

the rotation axis 7 that the main part 1 internal rotation was connected with the horizontal direction and was set up, rotation axis 7 coaxial fixed has the first fender dish 8 and the second fender dish 9 that are located main part 1 inside, it is fixed with a plurality of high energy ultraviolet fluorescent tubes 10 to equipartition between first fender dish 8 and the second fender dish 9, rotation axis 7 coaxial fixed has the conducting disc 11 that is located the main part 1 outside, the inside axial of rotation axis 7 installs the first electric wire 12 with conducting disc 11 electric connection, rotation axis 7 radially is equipped with a plurality of wire holes, the left end of first electric wire 12 is connected with the second electric wire 13 that is located the wire hole, the other end and the high energy ultraviolet fluorescent tube 10 electric connection of second electric wire 13, the electrically conductive driving lever 14 that contacts with conducting disc 11 is fixed on the main part 1, the ozone catalyst net 15 that is located high energy ultraviolet fluorescent tube 10 below is fixed.

The main body 1 is a hollow cylinder structure.

In order to filter impurity particles in the exhaust gas, a filter screen is arranged in the air inlet 2.

The coating of 1 inner wall of main part have high reflective membrane, the coating of high reflective membrane can improve the utilization ratio to the high energy ultraviolet lamp greatly to promote the efficiency of degradation VOCs.

The conductive plate 11 is made of copper.

The main body 1 is fixed with a controller 16, and the controller 16 is electrically connected with the conductive shift lever 14.

In order to ensure the sufficiency of the oxidation reaction, the ozone catalyst net 15 is one or a combination of several of activated carbon-based, alumina-based, natural zeolite-based and artificial molecular sieve-based catalysts, when VOCs gas is subjected to a photolysis reaction, ozone generated by the photolysis and the remaining VOCs components flow through the ozone catalyst net 15 to be subjected to an oxidation reaction, and the ozone and the remaining VOCs components are catalytically oxidized into non-toxic and harmless carbon dioxide and water.

In order to ensure the proper rotating speed of the rotating shaft 7, a motor is fixed outside the main body 1 and is coaxially and fixedly connected with the rotating shaft 7 through a speed reducer.

The utility model discloses when using, the utility model discloses well terms "preceding", "back", "left", "right", "upper", "lower" etc. indicate position or positional relationship and use the home view as the benchmark, carry out the rationale of photolysis reaction between ultraviolet lamp light and the VOCs gas as follows: the photochemical technology utilizes the destructive effect of a high-strength irradiation field on the malodorous substances and the oxidation removal effect of oxygen on the malodorous substances to remove VOCs (volatile organic compounds) such as hydrogen sulfide, ammonia, methyl mercaptan, aromatic hydrocarbons and the like in the gases, and utilizes active secondary oxidants generated by the decomposition of the oxygen under strong irradiation to oxidize harmful substances, the irradiation field and the oxygen have a synergistic effect, the rate of removing the malodorous substances by the technology is increased by 7 to 9 orders of magnitude by the synergistic effect, namely the reaction rate is increased by tens of millions to billions of times, the interaction of radiation and malodorous gas molecules can be regarded as energy exchange when the radiation field (oscillating electric field) and electrons (oscillating dipole) converge, the energy state of the substance molecules is changed under the action of the irradiation rays, namely the rotation, vibration or electronic energy level of the molecules is changed, the malodorous gas is excited from a low energy state to a high energy state, the change is quantized, and the purposes of thorough purification and standard emission of the malodorous gas are achieved by the quantization reaction and the combination of technologies such as filtration purification, adsorption purification and the like;

the controller 16 is opened, the controller 16 is electrically connected with the conductive deflector rod 14, the conductive deflector rod 14 is in an electric state, the conductive rod is in contact with the conductive disc 11, the conductive disc 11 is electrically connected with the first electric wire 12, the second electric wire 13 and the high-energy ultraviolet lamp tube 10 in sequence, and then the high-energy ultraviolet lamp tube 10 is in a working state to generate ultraviolet lamp light, when VOCs waste gas enters the cover body 4 from the air inlet 2, the VOCs waste gas is concentrated at the middle position of the cover body 4, because the disc 5 is fixed on the lower end face of the cover body 4, and the plurality of through holes 6 in the vertical direction are uniformly distributed in the disc 5, although the VOCs waste gas is concentrated at the middle position of the disc 5, the diameter of the through hole 6 in the middle position of the disc 5 is small, the VOCs waste gas in the cover body 4 can be emitted to the inner circumference of the cover body 4, the diameter of the through hole 6 is sequentially increased, but the diameter of the through holes 6 is enlarged, thereby ensuring that the airflow intensity of the VOCs waste gas emitted by each through hole 6 is equal, so that the VOCs waste gas uniformly enters the main body 1, at the moment, the motor is started and is coaxially and fixedly connected with the rotating shaft 7 through the reducer, further ensuring the proper rotating speed of the rotating shaft 7, the rotating shaft 7 drives the first baffle disc 8 and the second baffle disc 9 to coaxially rotate, a plurality of high-energy ultraviolet lamp tubes 10 are uniformly and fixedly arranged between the first baffle disc 8 and the second baffle disc 9, so that the plurality of high-energy ultraviolet lamp tubes 10 rotate in the main body 1, in the rotating process of the conductive disc 11, the conductive deflector rod 14 is always contacted with the conductive disc 11, ensuring the power supply of the high-energy ultraviolet lamp tubes 10, the plurality of high-energy ultraviolet lamp tubes 10 rotate in the main body 1, not only increasing the retention time of the VOCs waste gas in the main body 1, but also ensuring that the VOCs waste, and the distribution is even, the reaction efficiency is greatly improved, in addition, the inner wall of the main body 1 is coated with a high-reflection film, the coating of the high-reflection film can greatly improve the utilization rate of the high-energy ultraviolet lamp, thereby improving the efficiency of degrading VOCs, an ozone catalyst net 15 positioned below the high-energy ultraviolet lamp tube 10 is fixed in the main body 1, the ozone catalyst net 15 is one or a plurality of active carbon-based, alumina-based, natural zeolite-based and artificial molecular sieve-based catalysts, when VOCs gas is subjected to photolysis reaction, ozone generated by photolysis and the rest VOCs components flow through the ozone catalyst net 15 for oxidation reaction, the ozone and the rest VOCs components are catalytically oxidized into nontoxic and harmless carbon dioxide and water, and the purified gas is discharged from the gas outlet 3.

The utility model discloses more traditional equipment has following benefit: 1) the structure is ingenious, the discs adopt through holes with different diameters, and VOCs airflow strength is combined, so that VOCs airflow uniformly enters the main body, VOCs gas is uniformly contacted with a plurality of high-energy ultraviolet lamp tubes, the contact area is increased, and the reaction efficiency is improved; 2) the plurality of high-energy ultraviolet lamp tubes are always in a rotating state in the main body, so that VOCs gas is uniformly stirred in the main body, the photolysis effect is good, and the working efficiency is high; 3) the structure of the conductive deflector rod, the conductive disc, the first wire and the second wire is combined, so that the electric quantity supply of the high-energy ultraviolet lamp tube in the rotating process is ensured.

The utility model discloses the structure is ingenious, easy operation, and the photodissociation is efficient, and VOCs exhaust-gas treatment is effectual, and labour saving and time saving has fine market prospect.

Claims

1. A VOCs purification treatment device comprises a main body (1), wherein an air inlet (2) is formed in the upper end of the main body (1), and an air outlet (3) is formed in the lower end of the main body (1), and is characterized in that a cover body (4) communicated with the air inlet (2) is fixed on the main body (1), the cover body (4) is of a hollow conical body structure, a disc (5) is fixed on the lower end face of the cover body (4), a plurality of through holes (6) in the vertical direction are uniformly distributed in the disc (5), and the diameters of the through holes (6) are sequentially increased from the center position of the disc (5) to the edge direction of the disc (5);

the ozone generator comprises a main body (1), a rotating shaft (7) arranged in the horizontal direction is rotationally connected in the main body (1), a first blocking disc (8) and a second blocking disc (9) which are located inside the main body (1) are coaxially fixed on the rotating shaft (7), a plurality of high-energy ultraviolet lamp tubes (10) are uniformly distributed and fixed between the first blocking disc (8) and the second blocking disc (9), a conductive disc (11) located on the outer side of the main body (1) is coaxially fixed on the rotating shaft (7), a first electric wire (12) electrically connected with the conductive disc (11) is axially installed inside the rotating shaft (7), a plurality of wire outlet holes are radially arranged on the rotating shaft (7), a second electric wire (13) located in the wire outlet holes is connected to the left end of the first electric wire (12), the other end of the second electric wire (13) is electrically connected with the high-energy ultraviolet lamp tubes (10), a conductive deflector rod (14) in contact with the conductive disc (11) is fixed on the main body (1), and a catalyst net (15).

2. A device for the purification treatment of VOCs according to claim 1, wherein said body (1) is of a hollow cylindrical configuration.

3. A purification treatment apparatus for VOCs according to claim 1, wherein a filter screen is installed in said air inlet (2).

4. A device for purification treatment of VOCs according to claim 1, wherein the inner wall of said body (1) is coated with a highly reflective film.

5. A VOCs purification treatment apparatus as claimed in claim 1, wherein said conductive plate (11) is made of copper.

6. A purification treatment apparatus for VOCs according to claim 1, wherein a controller (16) is fixed on said main body (1), said controller (16) being electrically connected to said conductive rod (14).

7. A purification treatment apparatus for VOCs according to claim 1, wherein a motor is fixed outside the main body (1), and the motor is coaxially and fixedly connected with the rotating shaft (7) through a reducer.