CN210448746U - Industrial VOCs photocatalytic oxidation treatment equipment - Google Patents
Industrial VOCs photocatalytic oxidation treatment equipment Download PDFInfo
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- CN210448746U CN210448746U CN201921453737.3U CN201921453737U CN210448746U CN 210448746 U CN210448746 U CN 210448746U CN 201921453737 U CN201921453737 U CN 201921453737U CN 210448746 U CN210448746 U CN 210448746U
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Abstract
The utility model discloses an industrial VOCs photocatalytic oxidation treatment device, which comprises a barrel, wherein container flanges are respectively welded at the two ends of the barrel, an air inlet pipe and an exhaust pipe are respectively welded on the upper part and the lower part of the outer wall at the two ends of the barrel, a plurality of single arc-shaped baffle plates are uniformly distributed in the barrel, a lamp tube hole a and a support rod hole b are respectively arranged on each single arc-shaped baffle plate, and the lamp tube holes a and the support rod holes b are arranged in a concentric circle way; a plurality of LED fluorescent lamps are horizontally arranged in the lamp tube hole a in a penetrating mode, a plurality of supporting rods are horizontally arranged in the supporting rod hole b in a penetrating mode, and a photocatalyst carrier stainless steel wire net is sleeved on each supporting rod. The utility model discloses an industry VOCs light catalytic oxidation treatment facility, it is little with photocatalyst area of contact to have solved the pollutant that present equipment exists, and the short problem of contact time, and use the LED fluorescent lamp that 360 degrees of approximation shined as the light source, and fluorescent tube and photocatalyst carrier are with concentric circles's mode interval arrangement, and illumination is even, and light energy utilization is rateed highly.
Description
Technical Field
The utility model belongs to the technical field of industrial waste gas treatment equipment, concretely relates to industry VOCs light catalytic oxidation treatment facility.
Background
Clean air is the basic condition on which humans rely for survival. With the development of modern industry, the air quality problem becomes more serious, and in recent years, the problems of haze and extreme climate frequently occur, and the air pollution problem has attracted great attention.
VOCs are acronyms for volatile organic compounds (VOLATILE organic Compounds) that may be defined differently by different countries, regions, or organizations. According to the WHO definition, the organic compounds have boiling points of 50-260 ℃ at normal temperature, and in the environmental protection sense, the organic compounds are volatile organic compounds with active properties, namely volatile organic compounds which can cause harm. In general, VOCs include non-methane hydrocarbons (alkanes, alkenes, alkynes, aromatics, etc.), oxygen-containing organics (aldehydes, ketones, alcohols, ethers, etc.), chlorine-containing organics, nitrogen-containing organics, and sulfur-containing organics, etc., and over 300 have been identified. VOCs, one of the major pollutants of air, pose a significant hazard to both human health and the environment. When the concentration of VOCs reaches a certain level, the body is uncomfortable, and when the concentration is too high, acute poisoning is easily caused, so that human organs, a nervous system and a hematopoietic system are damaged; in addition, VOCs can promote the formation of photochemical smog and haze, and seriously threatens the survival of human beings.
For the treatment of industrial VOCs, different methods are adopted to treat the VOCs according to the concentration in the production at present. The high-concentration section (the content of VOCs is 1-20%) is recycled by methods such as adsorption, membrane separation or condensation; the medium concentration section (the content of VOCs is hundreds to thousands ppm) is generally treated by a combustion method; the low concentration section (VOCs content <100ppm) is relatively complicated to handle and is usually treated by a combination of methods.
The photocatalysis technology can thoroughly degrade organic pollutants, is safe and nontoxic, does not produce secondary pollution, is a green and environment-friendly treatment technology, and is concerned. At present, most of industrial VOCs (volatile organic compounds) are treated by applying a photocatalytic technology in a rectangular solid fixed bed reactor, and the problems of small contact area and short contact time of pollutants and a photocatalyst exist, so that the photocatalytic reaction efficiency is low, and the application of the photocatalytic technology in the field of industrial VOCs treatment is severely restricted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an industry VOCs light catalytic oxidation treatment facility has solved the problem that the pollutant that existing equipment exists is little, contact time is short with photocatalyst area of contact.
The utility model adopts the technical proposal that the photocatalytic oxidation treatment equipment for industrial VOCs comprises a cylinder body, wherein two ends of the cylinder body are respectively welded with a container flange, one container flange is connected with a first end cover through a first bolt and a first nut, the other container flange is connected with a second end cover through a second bolt and a second nut, the outer walls of the two ends of the cylinder body are respectively welded with an air inlet pipe and an air outlet pipe from top to bottom, the outer wall of the bottom of the cylinder body is also welded with a support which comprises an arc-shaped backing plate welded with the outer wall of the cylinder body and a bottom plate parallel to the axis of the cylinder body, a first support plate, a second support plate and a third support plate are vertically and evenly fixed between the arc-shaped backing plate and the bottom plate, a plurality of single arc-shaped, the chord height of the gap of the single arch baffle plate is 0.20-0.30 times of the inner diameter of the cylinder; each single arc-shaped baffle plate is provided with a lamp tube hole a and a supporting rod hole b, and the lamp tube holes a and the supporting rod holes b are arranged alternately in concentric circles; a plurality of LED fluorescent tubes are horizontally arranged in a lamp tube hole a on the single arched baffle plate in a penetrating mode, one end of each LED fluorescent tube is in contact with the inner surface of the first end cover, the other end of each LED fluorescent tube penetrates out of the second end cover, the end portion of each LED fluorescent tube is connected with a lamp cap, a plurality of supporting rods with circular cross sections are horizontally arranged in supporting rod holes b on the single arched baffle plate in a penetrating mode, the two ends of each supporting rod are in contact with the inner surfaces of the first end cover and the second end cover respectively, and photocatalyst carrier stainless steel wire meshes are.
The utility model is also characterized in that,
the support rod is connected with the single arch baffle plate in a spot welding mode.
Pipe flanges are welded at the end parts of the air inlet pipe and the exhaust pipe.
The lamp holder is sleeved with an O-shaped ring, and the O-shaped ring is tightly attached to the outer surface of the second end cover.
The first supporting plate and the second supporting plate are respectively positioned at two ends of the arc-shaped base plate, and the third supporting plate is positioned at the center of the arc-shaped base plate; one end of the first supporting plate, one end of the second supporting plate and one end of the third supporting plate are fixedly connected with the outer walls of the two ends of the arc-shaped backing plate and the outer wall of the center of the arc-shaped backing plate respectively, and the other ends of the first supporting plate, the second supporting plate and the third supporting plate are fixedly connected with the bottom plate respectively.
The inner diameter of the lamp tube hole a on the single arched baffle plate is 0.4-0.7 mm larger than the outer diameter of the LED fluorescent lamp tube.
The inner diameter of a supporting rod hole b on the single arch-shaped baffle plate is 0.4-0.7 mm larger than the outer diameter of the supporting rod.
The utility model has the advantages that:
1) when the reactor of the utility model is used, the contact area between the pollutant and the photocatalyst is large, and the contact time is long;
2) the reactor obtained by the utility model takes the LED fluorescent lamp which is irradiated by approximately 360 degrees as a light source, the lamp tube and the photocatalyst carrier are arranged at intervals in a concentric circle mode, the illumination is uniform, and the utilization rate of light energy is high;
3) the obtained reactor has compact structure, is easy to disassemble and assemble, changes the lamp tube and the photocatalyst and is convenient to maintain.
Drawings
FIG. 1 is a schematic structural diagram (I) of a photocatalytic oxidation treatment device for industrial VOCs of the present invention;
FIG. 2 is a schematic structural diagram (II) of the photocatalytic oxidation treatment equipment for industrial VOCs of the present invention;
FIG. 3 is a partial enlarged view of a second end cap of the photocatalytic oxidation treatment equipment for industrial VOCs of the present invention;
FIG. 4 is a schematic diagram of the internal structure of an industrial VOCs photocatalytic oxidation treatment apparatus of the present invention;
FIG. 5 is a front view of the photocatalytic oxidation treatment apparatus for industrial VOCs of the present invention;
fig. 6 is a distribution diagram of holes on a single bow-shaped baffle plate of the photocatalytic oxidation treatment equipment for industrial VOCs.
In the figure, 1, a cylinder body, 2, a container flange, 3, a first bolt, 4, a first nut, 5, a first end cover, 6, a second end cover, 7, an air inlet pipe, 8, an air outlet pipe, 9, a pipe flange, 10, a support, 11, a single-arch-shaped baffle plate, 12, an LED fluorescent lamp tube, 13, a lamp cap, 14, an O-shaped ring, 15, a support rod, 16, a photocatalyst carrier stainless steel wire net, 17, an arc-shaped backing plate, 18, a first support plate, 19, a second support plate, 20, a bottom plate, 21, a second bolt, 22, a second nut and 23, a third support plate are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a photocatalytic oxidation treatment equipment for industrial VOCs (volatile organic compounds), as shown in figure 1, comprising a cylinder body 1, wherein container flanges 2 are respectively welded at two ends of the cylinder body 1, one of the container flanges 2 is connected with a first end cover 5 through a first bolt 3 and a first nut 4, and the other container flange 2 is connected with a second end cover 6 through a second bolt 21 and a second nut 22; an air inlet pipe 7 and an air outlet pipe 8 are respectively welded on the upper and lower parts of the outer walls of the two ends of the cylinder 1, and pipe flanges 9 are welded on the end parts of the air inlet pipe 7 and the air outlet pipe 8; the outer wall of the bottom of the cylinder body 1 is further welded with a support 10, the support 10 comprises an arc-shaped base plate 17 welded with the outer wall of the cylinder body 1 and a bottom plate 20 parallel to the axis of the cylinder body 1, a first support plate 18, a second support plate 19 and a third support plate 23 are vertically and uniformly fixed between the arc-shaped base plate 17 and the bottom plate 20, the first support plate 18 and the second support plate 19 are respectively positioned at two ends of the arc-shaped base plate 17, and the third support plate 23 is positioned at the center of the arc-shaped base plate 17; one end of the first support plate 18, one end of the second support plate 19 and one end of the third support plate 23 are fixedly connected with the outer walls of the two ends of the arc-shaped backing plate 17 and the outer wall of the center of the arc-shaped backing plate respectively, and the other ends of the first support plate 18, the second support plate 19 and the third support plate 23 are fixedly connected with the bottom plate 20 respectively;
as shown in fig. 4, a plurality of single arc-shaped baffle plates 11 are uniformly distributed in the cylinder 1, and the gaps of the single arc-shaped baffle plates 11 are horizontally arranged up and down at intervals; the chord height of the gap of the single arc baffle 11 is 0.20-0.30 times of the inner diameter of the cylinder 1; each single arc baffle plate 11 is provided with lamp tube holes a and support rod holes b, and as shown in fig. 6, the lamp tube holes a and the support rod holes b are arranged alternately in concentric circles; a plurality of LED fluorescent tubes 12 horizontally penetrate through the lamp tube hole a on the single arched baffle plate 11, one ends of the LED fluorescent tubes 12 are in contact with the inner surface of the first end cover 5, the other ends of the LED fluorescent tubes 12 penetrate through the second end cover 6, and the end parts of the LED fluorescent tubes are connected with lamp caps 13, as shown in fig. 2 and 3, the lamp caps 13 are sleeved with O-shaped rings 14, and the O-shaped rings 14 are tightly attached to the outer surface of the second end cover 6; as shown in fig. 4 and 5, a plurality of support rods 15 with circular cross sections horizontally penetrate through the support rod holes b on the single-arc baffle plate 11, the support rods 15 are connected with the single-arc baffle plate 11 through spot welding, and two ends of each support rod 15 are respectively contacted with the inner surfaces of the first end cover 5 and the second end cover 6; the support rod 15 is sleeved with a photocatalyst carrier stainless steel wire mesh 16, and the production manufacturer of the photocatalyst carrier stainless steel wire mesh 16 is a metal wire mesh product factory in Anping county and pure wire mesh company Limited or Ruizhou in Anping county;
the inner diameter of a lamp tube hole a on the single arched baffle plate 11 is slightly larger than the outer diameter of the LED fluorescent lamp tube 12 by 0.4-0.7 mm; the inner diameter of the support rod hole b is slightly larger than the outer diameter of the support rod 15 by 0.4-0.7 mm;
the utility model relates to an industry VOCs light catalytic oxidation treatment facility, its concrete theory of operation is:
industrial VOCs enter the reactor through inlet pipe 7 and flow in an S-shape under the action of single segmental baffle 11. In the flowing process of industrial VOCs, under the irradiation of the LED fluorescent lamp tube 12, the degradation occurs on the surface of the photocatalyst carrier stainless steel wire mesh 16 attached with the photocatalyst, and the treated gas is finally discharged from the exhaust pipe 8.
The utility model relates to an industry VOCs light catalytic oxidation treatment facility, it is little with photocatalyst area of contact to have solved the pollutant that present equipment exists, and the short problem of contact time, and use the LED fluorescent lamp that approximately 360 degrees shines as the light source, and fluorescent tube and photocatalyst carrier are with concentric circles's mode interval arrangement, and illumination is even, and light energy utilization is rateed highly.
Claims (7)
1. The utility model provides an industry VOCs photocatalytic oxidation treatment facility, a serial communication port, including barrel (1), the container flange (2) has been welded respectively at barrel (1) both ends, one container flange (2) are connected with first end cover (5) through first bolt (3) and first nut (4), another container flange (2) are connected with second end cover (6) through second bolt (21) and second nut (22), barrel (1) both ends outer wall is welded respectively from top to bottom intake pipe (7) and blast pipe (8), barrel (1) bottom outer wall has still welded support (10), support (10) include with barrel (1) outer wall welded arc backing plate (17) and with bottom plate (20) that barrel (1) axis is parallel, vertical evenly being fixed with first backup pad (18) between arc backing plate (17) and bottom plate (20), The barrel is characterized by comprising a second supporting plate (19) and a third supporting plate (23), a plurality of single arch-shaped baffle plates (11) are uniformly distributed in the barrel (1), gaps of the single arch-shaped baffle plates (11) are horizontally arranged up and down at intervals, and the chord height of the gaps of the single arch-shaped baffle plates (11) is 0.20-0.30 time of the inner diameter of the barrel (1); each single arc-shaped baffle plate (11) is provided with lamp tube holes a and supporting rod holes b, and the lamp tube holes a and the supporting rod holes b are arranged alternately in concentric circles; a plurality of LED fluorescent tubes (12) are horizontally arranged in a lamp tube hole a on the single-arch baffle plate (11), one end of each LED fluorescent tube (12) is in contact with the inner surface of the first end cover (5), the other end of each LED fluorescent tube (12) penetrates out of the second end cover (6) and is connected with the lamp holder (13), a plurality of supporting rods (15) with circular cross sections are horizontally arranged in supporting rod holes b on the single-arch baffle plate (11), the two ends of each supporting rod (15) are uniformly arranged in contact with the inner surfaces of the first end cover (5) and the second end cover (6), and a photocatalyst carrier stainless steel wire mesh (16) is sleeved on each supporting rod (15).
2. The photocatalytic oxidation treatment equipment for industrial VOCs according to claim 1, characterized in that pipe flanges (9) are welded to the end parts of the inlet pipe (7) and the exhaust pipe (8).
3. The photocatalytic oxidation treatment device for industrial VOCs according to claim 1, characterized in that the lamp head (13) is sleeved with an O-ring (14), and the O-ring (14) is tightly attached to the outer surface of the second end cover (6).
4. The photocatalytic oxidation treatment device for industrial VOCs according to claim 1, characterized in that the first support plate (18) and the second support plate (19) are respectively located at two ends of the arc-shaped backing plate (17), and the third support plate (23) is located at the center of the arc-shaped backing plate (17); one end of each of the first supporting plate (18), the second supporting plate (19) and the third supporting plate (23) is fixedly connected with the outer walls of the two ends of the arc-shaped base plate (17) and the outer wall of the center of the arc-shaped base plate respectively, and the other end of each of the first supporting plate (18), the second supporting plate (19) and the third supporting plate (23) is fixedly connected with the bottom plate (20) respectively.
5. The photocatalytic oxidation treatment device for industrial VOCs according to claim 1, wherein the inner diameter of the lamp tube hole a on the single-arc baffle plate (11) is 0.4-0.7 mm larger than the outer diameter of the LED fluorescent lamp tube (12).
6. The photocatalytic oxidation treatment equipment for industrial VOCs according to claim 1, characterized in that the inner diameter of the support rod holes b on the single-arch baffle plate (11) is 0.4-0.7 mm larger than the outer diameter of the support rods (15).
7. The photocatalytic oxidation treatment device for industrial VOCs according to claim 1, characterized in that the support rods (15) are connected with the single-arc baffle plate (11) by spot welding.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453737.3U CN210448746U (en) | 2019-09-03 | 2019-09-03 | Industrial VOCs photocatalytic oxidation treatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921453737.3U CN210448746U (en) | 2019-09-03 | 2019-09-03 | Industrial VOCs photocatalytic oxidation treatment equipment |
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| CN210448746U true CN210448746U (en) | 2020-05-05 |
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| CN201921453737.3U Active CN210448746U (en) | 2019-09-03 | 2019-09-03 | Industrial VOCs photocatalytic oxidation treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110787753A (en) * | 2019-12-06 | 2020-02-14 | 浙江省天正设计工程有限公司 | Continuous and efficient photochemical reaction system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110787753A (en) * | 2019-12-06 | 2020-02-14 | 浙江省天正设计工程有限公司 | Continuous and efficient photochemical reaction system |
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