CN211988011U - Photocatalysis exhaust treatment device - Google Patents
Photocatalysis exhaust treatment device Download PDFInfo
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- CN211988011U CN211988011U CN201922406294.9U CN201922406294U CN211988011U CN 211988011 U CN211988011 U CN 211988011U CN 201922406294 U CN201922406294 U CN 201922406294U CN 211988011 U CN211988011 U CN 211988011U
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 70
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 39
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- 239000011941 photocatalyst Substances 0.000 claims abstract description 51
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 43
- 239000002912 waste gas Substances 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 35
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000003197 catalytic effect Effects 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 35
- 238000004140 cleaning Methods 0.000 claims description 26
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002905 metal composite material Substances 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- -1 rare earth transition metal Chemical class 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 15
- 239000007787 solid Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 19
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- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
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- 239000002440 industrial waste Substances 0.000 description 3
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- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a photocatalysis waste gas treatment device, which comprises a shell, an air inlet and an air outlet, wherein the air inlet and the air outlet are respectively arranged at two opposite sides of the shell; the photocatalysis module comprises an upper photocatalyst carrier plate and a lower photocatalyst carrier plate which are arranged in the shell in a staggered way; an ultraviolet light source component A is arranged between the photocatalyst module and the ozone catalysis module and between the plasma catalysis modules, and an ultraviolet light source component A is also arranged between the adjacent upper photocatalyst carrier plate and the lower photocatalyst carrier plate. The utility model discloses a pretreatment module has reduced solid particle to ozone catalysis, photocatalysis and plasma catalytic effect, has solved the problem that current photocatalysis exhaust-gas treatment device is difficult to realize multicomponent exhaust-gas treatment, the adjacent relative angle of going up between catalyst carrier board and the lower catalyst carrier board of adjustment that can be convenient.
Description
Technical Field
The utility model relates to a waste gas treatment technical field, concretely relates to photocatalysis exhaust-gas treatment device.
Background
Atmospheric pollution is one of the most outstanding environmental problems in China at present, and industrial waste gas is an important source of atmospheric pollutants. A large amount of industrial waste gas is discharged into the atmosphere, so that the quality of the atmospheric environment is reduced, serious harm is brought to the health of a human body, the most difficult to treat in the industrial waste gas is organic waste gas, the environmental pollution is very serious, and the pollutants have the characteristics of large discharge amount, wide pollution range and difficult degradation.
The photocatalytic purification technology mainly utilizes photocatalyst titanium dioxide (TiO)2) Absorb the light energy radiated from the outside and directly convert the light energy into chemical energy. When the energy is greater than TiO2When a semiconductor is irradiated with light having a forbidden bandwidth, an optically excited electron transits to a conduction band to form a conduction band electron (e)-) While leaving a hole order (h) in the valence band+). Due to the discontinuity of the semiconductor energy band, electrons and holes have a long lifetime, and they can move under the action of an electric field or by diffusion, undergo redox reactions with substances adsorbed on the surface of the semiconductor catalyst particles, or are trapped by surface lattice defects. The hole and the electron can be directly recombined in the catalyst particle or on the surface of the catalyst particle, and the hole can be combined with oxygen or H adsorbed on the surface of the catalyst particle2The generation of O generates hydroxyl radicals HO, HO is a highly active particle, and can indiscriminately oxidize and mineralize a plurality of organic substances.
The photocatalytic waste gas treatment device in the prior art mainly has the following problems: 1. the pretreatment module is not arranged, and the photocatalytic reaction effect can be influenced after solid particles in the waste gas enter the photocatalytic module; 2. only has single photocatalysis treatment function, does not have tail end advanced treatment function, and the components of the waste gas are complex, so the treatment effect is poor; 3. the photocatalyst carrier plate is fixedly arranged in the waste gas treatment device, and the angle adjustment of the photocatalyst carrier plate relative to the inner side wall of the shell is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough, a photocatalysis exhaust treatment device is provided, solid particle through the pretreatment module in to waste gas filters, the treatment effect of photocatalysis exhaust treatment device has been improved on the one hand, on the other hand also can reduce solid particle and get into ozone catalysis module, influence ozone catalysis in photocatalysis module and the plasma catalysis module, photocatalysis and plasma catalysis's effect, the problem that present photocatalysis exhaust treatment device treatment mode is single to be difficult to realize multicomponent exhaust treatment has been solved, the direct potential safety hazard of production in plasma catalysis module in process of waste gas has still been avoided simultaneously, the adjacent relative angle of going up between catalyst carrier board and the lower catalyst carrier board of adjustment that can be convenient.
In order to achieve the above object, the present invention provides a photocatalytic waste gas treatment device, comprising a housing, and an air inlet and an air outlet respectively disposed at two opposite sides of the housing, wherein a pretreatment module, an ozone catalysis module, a photocatalytic module, and a plasma catalysis module are sequentially disposed in the housing along the direction from the air inlet to the air outlet;
the pretreatment module comprises two filter plates which are arranged in a V shape along the direction from the air inlet to the air outlet;
the photocatalysis module comprises a glazing catalyst carrier plate and a lower photocatalyst carrier plate which are arranged in the shell in a staggered manner, and the glazing catalyst carrier plate and the lower photocatalyst carrier plate are arranged in a staggered manner to form a serpentine channel;
the top of the glazing catalyst carrier plate is rotationally connected with the top wall in the shell through a rotating shaft A, the bottom of the glazing catalyst carrier plate is not in contact with the bottom wall in the shell, and the rotating shaft A is connected with a driving motor A through a coupler; the bottom of the lower photocatalyst carrier plate is rotationally connected with the inner bottom wall of the shell through a rotating shaft B, the top of the lower photocatalyst carrier plate is not in contact with the inner top wall of the shell, and the rotating shaft B is connected with a driving motor B through a coupler;
a side of the upper photocatalyst carrier plate facing the air inlet and a side of the upper photocatalyst carrier plate facing the air outlet are both wavy sides A, and a side of the lower photocatalyst carrier plate facing the air inlet and a side of the lower photocatalyst carrier plate facing the air outlet are both wavy sides B; the surface of the wave-shaped surface A and the surface of the wave-shaped surface B are both coated with titanium dioxide photocatalyst coatings;
an ultraviolet light source component A is arranged between the photocatalyst module and the ozone catalysis module and between the plasma catalysis modules, and an ultraviolet light source component A is also arranged between the upper photocatalyst carrier plate and the lower photocatalyst carrier plate which are adjacent;
and a reflective layer is coated on the inner side wall of the shell.
By adopting the technical scheme, the pretreatment module is used for filtering solid particles in the waste gas, so that the treatment effect of the photocatalytic waste gas treatment device is improved on one hand, and the effect of ozone catalysis, photocatalysis and plasma catalysis which are influenced by the solid particles entering the ozone catalysis module, the photocatalysis module and the plasma catalysis module can be reduced on the other hand; the two filter plates are arranged in a V shape along the air inlet direction, so that the contact time of the waste gas to be treated and the filter plates is prolonged, and a better filtering effect is achieved;
chain scission and decomposition of organic molecules are realized through the synergistic effect among the ozone catalysis module, the photocatalysis module and the plasma catalysis module, so that the waste gas treatment efficiency is greatly improved;
the gas obtained after the waste gas to be treated is treated by the ozone catalytic module and the photocatalytic module enters the plasma catalytic module, so that a motor in the plasma catalytic module is not easy to corrode, and the service life of the plasma catalytic module is prolonged;
the serpentine channel formed between the upper catalyst carrier plate and the lower catalyst carrier plate is used for increasing the gas flowing path, prolonging the retention time of the waste gas to be treated on the upper catalyst carrier plate and the lower catalyst carrier plate, increasing the disturbance degree of the gas, enabling the system to carry out sufficient mass transfer and further improving the treatment effect of the photocatalytic module;
by the arrangement of the wave-shaped surface A and the wave-shaped surface B, the areas of the upper catalyst carrier plate and the lower catalyst carrier plate in a unit space are increased, and the processing capacity of the photocatalytic processing module is improved;
the reflection efficiency and the utilization efficiency of ultraviolet rays are improved by arranging the reflection layer in the shell;
thereby drive pivot A through driving motor A and rotate the rotation that drives the last photocatalyst carrier board, thereby drive pivot B through driving motor B and rotate the rotation that drives down photocatalyst carrier board to the relative angle between adjacent catalyst carrier board of going up of adjustment that can be convenient and the catalyst carrier board down makes things convenient for the staff to go up the adjustment of the relative angle between catalyst carrier board and the catalyst carrier board down adjacent according to actual exhaust-gas treatment demand.
The photocatalytic waste gas treatment device is characterized in that the filter plate is an activated carbon filter screen.
The ultraviolet light source assembly A comprises an ultraviolet light tube A and a cleaning ring A, the ultraviolet light tube A is vertically arranged in the shell, a quartz glass tube A is sleeved outside the ultraviolet light tube A, the top of the quartz glass tube A is fixedly connected with the inner top wall of the shell, the bottom of the quartz glass tube A is fixedly connected with the inner bottom wall of the shell, the central axis of the ultraviolet light tube A and the cleaning ring A are sleeved outside the quartz glass tube A, a vertical electric lifting rod is arranged on the inner top wall of the shell, the lifting end of the vertical electric lifting rod is fixedly connected with the upper end face of the cleaning ring A, and bristles A are arranged on the inner side of the cleaning ring A.
Through adopting above-mentioned technical scheme, through the clean ring A of perpendicular electric lift pole drive slip on quartz glass tube A, realize the cleanness to quartz glass tube A surface, effectively improved the ultraviolet utilization ratio that ultraviolet tube A produced.
The photocatalytic waste gas treatment device comprises an ozone catalytic module, wherein the ozone catalytic module comprises a plurality of wave baffle plates which are sequentially arranged from top to bottom, the extending direction of waves on the wave baffle plates is consistent with the running direction of waste gas to be treated in the shell, ozone catalysts are coated on the wave baffle plates, and an ultraviolet light source assembly B is arranged between every two adjacent wave baffle plates.
By adopting the technical scheme, the gas flow path is increased through the wave baffle plate, the disturbance degree of the gas is increased, the system can carry out sufficient mass transfer, and the ozone catalysis process is strengthened to the greatest extent.
The ultraviolet lamp tube level set up in the casing, ultraviolet lamp tube B overcoat is equipped with quartz glass pipe B, quartz glass pipe B both ends are fixed in respectively on the relative two inner walls in the casing, clean ring be equipped with horizontal electric telescopic handle on the casing inside wall, horizontal electric telescopic handle's flexible end with clean ring B is connected, horizontal electric telescopic handle drive clean ring B is in slide on the quartz glass pipe B, clean ring B's inboard is provided with brush hair B.
Through adopting above-mentioned technical scheme, through the slip on quartz glass tube B of horizontal electric telescopic handle drive cleaning ring B, realize the cleanness to quartz glass tube B surface, effectively improved the ultraviolet utilization ratio that ultraviolet tube B produced.
Preferably, the ozone catalyst is a rare earth transition metal composite catalyst.
The photocatalytic waste gas treatment device comprises a plurality of plasma discharge modules which are arranged in parallel at intervals along the running direction of waste gas to be treated in the shell, wherein each plasma discharge module comprises a plurality of first flat electrodes and a plurality of second flat electrodes which are alternately arranged at intervals; and two opposite surfaces of the first flat electrode are respectively provided with a discharge tip.
The plasma discharge module adopts the flat plate electrode, so that the high-voltage pulse ionization effect of the plasma discharge module can be ensured, and the plasma discharge module can be conveniently cleaned and maintained.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model relates to a photocatalysis exhaust treatment device at first carries out the preliminary treatment with waste gas through pretreatment module, then the waste gas of accomplishing the preliminary treatment loops through ozone catalysis module, photocatalysis module, plasma catalysis module handles, ozone catalytic degradation technique has been realized, the synergistic effect of photocatalysis degradation technique and plasma degradation technique, the problem that present photocatalysis exhaust treatment device processing mode is single to be difficult to realize multicomponent exhaust treatment has been solved, the direct potential safety hazard of production in plasma catalysis module in-process of waste gas has still been avoided simultaneously.
2. The utility model relates to a photocatalysis exhaust-gas treatment device, solid particles in the exhaust gas are filtered through the pretreatment module, on one hand, the treatment effect of the photocatalysis exhaust-gas treatment device is improved, on the other hand, the solid particles can be reduced to enter the ozone catalysis module, the photocatalysis module and the plasma catalysis module to influence the effects of ozone catalysis, photocatalysis and plasma catalysis; through being the V style of calligraphy setting with two filter along the direction of admitting air, increased the contact time of pending waste gas with the filter, and then reach better filter effect.
3. The utility model relates to a photocatalysis module in photocatalysis exhaust-gas treatment device passes through the snakelike passageway that forms between last catalyst carrier board and the lower catalyst carrier board, has added the route that gas flows, has prolonged the dwell time of pending waste gas on last catalyst carrier board and lower catalyst carrier board to increase gaseous disturbance degree, make the system can carry out abundant mass transfer, and then improve photocatalysis module treatment effect; through the setting of wave shape face A and wave shape face B, improved the area of going up catalyst carrier board and catalyst carrier board down in the unit space, promoted the throughput of photocatalysis processing module.
4. The utility model relates to a thereby photocatalysis exhaust treatment device passes through driving motor A and drives pivot A and rotate the rotation that drives glazing catalyst carrier board, thereby drives pivot B through driving motor B and rotates the rotation of driving photocatalyst carrier board down to the relative angle between adjacent catalyst carrier board of going up of adjustment that can be convenient and the catalyst carrier board down makes things convenient for the staff to go up the adjustment of the relative angle between catalyst carrier board and the catalyst carrier board down adjacent according to actual exhaust treatment demand.
5. In the photocatalysis waste gas treatment device, the cleaning ring A is driven to slide on the quartz glass tube A by the vertical electric lifting rod, so that the outer surface of the quartz glass tube A is cleaned, and the utilization rate of ultraviolet rays generated by the ultraviolet lamp tube A is effectively improved; the cleaning ring B is driven by the horizontal electric telescopic rod to slide on the quartz glass tube B, so that the outer surface of the quartz glass tube B is cleaned, and the utilization rate of ultraviolet rays generated by the ultraviolet lamp tube B is effectively improved.
6. The utility model relates to a plasma module that discharges in photocatalysis exhaust-gas treatment device adopts dull and stereotyped electrode, not only can guarantee the high-voltage pulse ionization effect of plasma module that discharges, can also make things convenient for the plasma module that discharges to wash and maintain.
Drawings
Fig. 1 is a schematic front view of an internal structure of a photocatalytic exhaust gas treatment device according to embodiment 1.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is a schematic top view showing an internal structure of a photocatalytic exhaust gas treatment device according to embodiment 1.
Fig. 4 is an enlarged view of the portion B in fig. 3.
Fig. 5 is a schematic structural diagram of a plasma discharge module in embodiment 1.
Fig. 6 is a schematic top view showing an internal structure of a photocatalytic exhaust gas treatment device according to embodiment 2. .
The correspondence between each mark and the part name is as follows:
the device comprises a shell 1, an air inlet 101, an air outlet 102, a filter plate 2, an upper photocatalyst carrier plate 3, a lower photocatalyst carrier plate 4, a rotating shaft A5, a driving motor A6, a rotating shaft B7, a driving motor B8, a wavy surface A9, a wavy surface B10, an ultraviolet lamp tube A11, a cleaning ring A12, a quartz glass tube A13, a vertical electric lifting rod 14, bristles A15, a wave baffle plate 16, an ultraviolet lamp tube B17, a cleaning ring B18, a quartz glass tube B19, a horizontal electric telescopic rod 20, bristles B21, a plasma discharge module 22, a first flat plate electrode 23, a second flat plate electrode 24 and a discharge tip 25.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings.
Example 1
As shown in fig. 1 and 2, a photocatalytic waste gas treatment device includes a housing 1, and an air inlet 101 and an air outlet 102 respectively disposed at two opposite sides of the housing 1, wherein a pretreatment module, an ozone catalytic module, a photocatalytic module, and a plasma catalytic module are sequentially disposed in the housing 1 along a direction from the air inlet 101 to the air outlet 102.
The pretreatment module comprises two filter plates 2, and the two filter plates 2 are arranged in a V shape along the direction from the air inlet 101 to the air outlet 102.
Wherein, the filter plate 2 in this embodiment is an activated carbon filter screen.
The photocatalytic module comprises a glazing catalyst carrier plate 3 and a lower photocatalyst carrier plate 4 which are arranged in the shell 1 in a staggered mode, and the glazing catalyst carrier plate 3 and the lower photocatalyst carrier plate 4 are arranged in the staggered mode to form a snake-shaped channel.
As shown in fig. 3, the top of the photocatalyst carrier plate 3 is rotatably connected with the top wall of the casing 1 through a rotating shaft a5, the bottom of the photocatalyst carrier plate 3 is not contacted with the bottom wall of the casing 1, and the rotating shaft a5 is connected with a driving motor a6 through a coupling; as shown in fig. 4, the bottom of the lower photocatalyst carrier plate 4 is rotatably connected with the inner bottom wall of the housing 1 through a rotating shaft B7, the top of the lower photocatalyst carrier plate 4 is not in contact with the inner top wall of the housing 1, and a driving motor B8 is connected to the rotating shaft B7 through a coupling.
Thereby drive pivot A5 through driving motor A6 and rotate and drive the rotation of glazing catalyst carrier board 3, thereby drive pivot B7 through driving motor B8 and rotate and drive the rotation of photocatalyst carrier board 4 down to the relative angle between adjacent catalyst carrier board and the catalyst carrier board of going up of adjustment that can be convenient, make things convenient for the staff to the adjustment of the relative angle between adjacent catalyst carrier board and the catalyst carrier board down according to actual exhaust-gas treatment demand.
The surface of the upper photocatalyst carrier plate 3 facing the air inlet 101 and the surface of the upper photocatalyst carrier plate 3 facing the air outlet 102 are both wavy surfaces a9, and the surface of the lower photocatalyst carrier plate 4 facing the air inlet 101 and the surface of the lower photocatalyst carrier plate 4 facing the air outlet 102 are both wavy surfaces B10; the surface of wavy surface a9 and the surface of wavy surface B10 are coated with titanium dioxide photocatalyst coating (not shown).
Through the arrangement of the wave-shaped surface A9 and the wave-shaped surface B10, the areas of the upper catalyst carrier plate and the lower catalyst carrier plate in a unit space are increased, and the processing capacity of the photocatalytic processing module is improved.
An ultraviolet light source component A is arranged between the photocatalyst module and the ozone catalysis module and between the plasma catalysis modules, and an ultraviolet light source component A is also arranged between the adjacent upper photocatalyst carrier plate 3 and the lower photocatalyst carrier plate 4.
Wherein, ultraviolet light source module A includes ultraviolet lamp A11 and clean ring A12, ultraviolet lamp A11 is located in casing 1 perpendicularly, ultraviolet lamp A11 overcoat is equipped with quartz glass tube A13, quartz glass tube A13 top and casing 1 interior roof fixed connection, quartz glass tube A13 bottom and casing 1 inner bottom wall fixed connection, the central axis and the clean ring A12 cover of ultraviolet lamp A11 are located outside quartz glass tube A13, be equipped with perpendicular electronic lifter 14 on the casing 1 interior roof, the lift end and the clean ring A12 up end fixed connection of perpendicular electronic lifter 14, the inboard of clean ring A12 is provided with brush hair A15.
The cleaning ring A12 is driven to slide on the quartz glass tube A13 by the vertical electric lifting rod 14, so that the outer surface of the quartz glass tube A13 is cleaned, and the utilization rate of ultraviolet rays generated by the ultraviolet lamp tube A11 is effectively improved.
The inner side wall of the housing 1 is coated with a light-reflecting layer (not shown). By arranging the reflective layer in the housing 1, the reflection efficiency and the utilization efficiency of ultraviolet rays are improved.
The ozone catalysis module comprises a plurality of wave baffle plates 16 which are sequentially arranged from top to bottom, the extending direction of waves on the wave baffle plates 16 is consistent with the running direction of waste gas to be treated in the shell 1, ozone catalysts are coated on the wave baffle plates 16, and an ultraviolet light source component B is arranged between every two adjacent wave baffle plates 16.
The wave baffle plate 16 increases the flowing path of the gas and the disturbance degree of the gas, so that the system can carry out sufficient mass transfer, and the ozone catalysis process is strengthened to the great extent.
The ultraviolet light source assembly B comprises an ultraviolet light tube B17 and a cleaning ring B18, the ultraviolet light tube is horizontally arranged in the shell 1, a quartz glass tube B19 is sleeved outside the ultraviolet light tube B17, two ends of the quartz glass tube B19 are respectively fixed on two opposite inner walls in the shell 1, a horizontal electric telescopic rod 20 is arranged on the inner side wall of the cleaning ring shell 1, the telescopic end of the horizontal electric telescopic rod 20 is connected with a cleaning ring B18, the horizontal electric telescopic rod 20 drives the cleaning ring B18 to slide on the quartz glass tube B19, and bristles B21 are arranged on the inner side of the cleaning ring B18.
The cleaning ring B18 is driven by the horizontal electric telescopic rod 20 to slide on the quartz glass tube B19, so that the outer surface of the quartz glass tube B19 is cleaned, and the utilization rate of ultraviolet rays generated by the ultraviolet lamp tube B17 is effectively improved.
The ozone catalyst in this example is a rare earth transition metal composite catalyst.
As shown in fig. 5, the plasma catalytic module includes a plurality of plasma discharge modules 22 arranged in parallel at intervals in the running direction of the exhaust gas to be treated in the housing 1, each plasma discharge module 22 including a plurality of first plate electrodes 23 and a plurality of second plate electrodes 24 arranged alternately at intervals; opposite surfaces of the first plate electrode 23 are provided with discharge tips 25, respectively.
The plasma discharge module 22 adopts a flat electrode, which not only can ensure the high-voltage pulse ionization effect of the plasma discharge module 22, but also can facilitate the cleaning and maintenance of the plasma discharge module 22.
When the photocatalytic waste gas treatment device is used, solid particles in waste gas are filtered through the pretreatment module, so that the treatment effect of the photocatalytic waste gas treatment device is improved on one hand, and the effect of ozone catalysis, photocatalysis and plasma catalysis, which is influenced by the fact that the solid particles enter the ozone catalysis module, the photocatalysis module and the plasma catalysis module, can be reduced on the other hand; through being the V style of calligraphy setting with two filter 2 along the direction of admitting air, increased pending waste gas and filter 2's contact time, and then reach better filter effect.
Chain scission and decomposition of organic molecules are realized through the synergistic effect among the ozone catalysis module, the photocatalysis module and the plasma catalysis module, and the waste gas treatment efficiency is greatly improved.
The waste gas to be treated enters the plasma catalysis module after being treated by the ozone catalysis module and the photocatalysis module, so that a motor in the plasma catalysis module is not easy to corrode, and the service life of the plasma catalysis module is prolonged.
The serpentine channel formed between the upper catalyst carrier plate and the lower catalyst carrier plate prolongs the retention time of the waste gas to be treated on the upper catalyst carrier plate and the lower catalyst carrier plate, increases the disturbance degree of the gas, enables the system to carry out sufficient mass transfer, and further improves the treatment effect of the photocatalytic module.
Example 2
The structure of the photocatalytic exhaust gas treatment device in this embodiment is different from that in embodiment 1 in that: in the photocatalytic exhaust gas treatment device in this embodiment, the angle between the adjacent upper catalyst carrier plate and the lower catalyst carrier plate is 45 °.
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 (7)
1. A photocatalysis waste gas treatment device is characterized by comprising a shell, and an air inlet and an air outlet which are respectively arranged at two opposite sides of the shell, wherein a pretreatment module, an ozone catalysis module, a photocatalysis module and a plasma catalysis module are sequentially arranged in the shell along the direction from the air inlet to the air outlet;
the pretreatment module comprises two filter plates which are arranged in a V shape along the direction from the air inlet to the air outlet;
the photocatalysis module comprises a glazing catalyst carrier plate and a lower photocatalyst carrier plate which are arranged in the shell in a staggered manner, and the glazing catalyst carrier plate and the lower photocatalyst carrier plate are arranged in a staggered manner to form a serpentine channel;
the top of the glazing catalyst carrier plate is rotationally connected with the top wall in the shell through a rotating shaft A, the bottom of the glazing catalyst carrier plate is not in contact with the bottom wall in the shell, and the rotating shaft A is connected with a driving motor A through a coupler; the bottom of the lower photocatalyst carrier plate is rotationally connected with the inner bottom wall of the shell through a rotating shaft B, the top of the lower photocatalyst carrier plate is not in contact with the inner top wall of the shell, and the rotating shaft B is connected with a driving motor B through a coupler;
a side of the upper photocatalyst carrier plate facing the air inlet and a side of the upper photocatalyst carrier plate facing the air outlet are both wavy sides A, and a side of the lower photocatalyst carrier plate facing the air inlet and a side of the lower photocatalyst carrier plate facing the air outlet are both wavy sides B; the surface of the wave-shaped surface A and the surface of the wave-shaped surface B are both coated with titanium dioxide photocatalyst coatings;
an ultraviolet light source component A is arranged between the photocatalytic module and the ozone catalytic module and between the plasma catalytic modules, and an ultraviolet light source component A is also arranged between the upper photocatalyst carrier plate and the lower photocatalyst carrier plate which are adjacent to each other;
and a reflective layer is coated on the inner side wall of the shell.
2. A photocatalytic exhaust gas treatment device as set forth in claim 1, wherein the filter plate is an activated carbon filter.
3. The photo-catalytic waste gas treatment device as claimed in claim 1, wherein the ultraviolet light source assembly a comprises an ultraviolet light tube a and a cleaning ring a, the ultraviolet light tube a is vertically disposed in the housing, a quartz glass tube a is sleeved outside the ultraviolet light tube a, the top of the quartz glass tube a is fixedly connected with the top wall of the housing, the bottom of the quartz glass tube a is fixedly connected with the bottom wall of the housing, the central axis of the ultraviolet light tube a and the cleaning ring a are sleeved outside the quartz glass tube a, a vertical electric lifting rod is disposed on the top wall of the housing, the lifting end of the vertical electric lifting rod is fixedly connected with the upper end face of the cleaning ring a, and the inner side of the cleaning ring a is provided with bristles a.
4. The photocatalytic exhaust gas treatment device according to claim 1, wherein the ozone catalysis module comprises a plurality of wave baffles arranged in sequence from top to bottom, the extending direction of waves on the wave baffles is consistent with the running direction of exhaust gas to be treated in the housing, the wave baffles are coated with ozone catalysts, and an ultraviolet light source assembly B is arranged between every two adjacent wave baffles.
5. The photo-catalytic waste gas treatment device as claimed in claim 4, wherein the ultraviolet light source assembly B comprises an ultraviolet light tube B and a cleaning ring B, the ultraviolet light tube B is horizontally disposed in the housing, a quartz glass tube B is sleeved outside the ultraviolet light tube B, two ends of the quartz glass tube B are respectively fixed on two opposite inner walls of the housing, a horizontal electric telescopic rod is disposed on the inner side wall of the housing of the cleaning ring, the telescopic end of the horizontal electric telescopic rod is connected with the cleaning ring B, the horizontal electric telescopic rod drives the cleaning ring B to slide on the quartz glass tube B, and bristles B are disposed on the inner side of the cleaning ring B.
6. The photocatalytic exhaust gas treatment device according to claim 4, wherein the ozone catalyst is a rare earth transition metal composite catalyst.
7. A photocatalytic exhaust gas treatment device as set forth in claim 1, wherein the plasma catalytic module comprises a plurality of plasma discharge modules arranged in parallel at intervals in the direction of travel of the exhaust gas to be treated in the housing, each of the plasma discharge modules comprising a plurality of first plate electrodes and a plurality of second plate electrodes alternately arranged at intervals; and two opposite surfaces of the first flat electrode are respectively provided with a discharge tip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922406294.9U CN211988011U (en) | 2019-12-27 | 2019-12-27 | Photocatalysis exhaust treatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922406294.9U CN211988011U (en) | 2019-12-27 | 2019-12-27 | Photocatalysis exhaust treatment device |
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| CN211988011U true CN211988011U (en) | 2020-11-24 |
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| CN201922406294.9U Expired - Fee Related CN211988011U (en) | 2019-12-27 | 2019-12-27 | Photocatalysis exhaust treatment device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198290A (en) * | 2021-05-14 | 2021-08-03 | 中国科学院空间应用工程与技术中心 | Device and method for purifying organic waste gas in space environment |
| CN113237176A (en) * | 2021-04-25 | 2021-08-10 | 张部贵 | Air purification equipment adopting electrostatic dust collection technology |
| CN115569452A (en) * | 2022-11-30 | 2023-01-06 | 邸玉伟 | Waste gas treatment conveyor of environmental protection equipment |
-
2019
- 2019-12-27 CN CN201922406294.9U patent/CN211988011U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237176A (en) * | 2021-04-25 | 2021-08-10 | 张部贵 | Air purification equipment adopting electrostatic dust collection technology |
| CN113198290A (en) * | 2021-05-14 | 2021-08-03 | 中国科学院空间应用工程与技术中心 | Device and method for purifying organic waste gas in space environment |
| CN113198290B (en) * | 2021-05-14 | 2024-06-07 | 中国科学院空间应用工程与技术中心 | Device and method for purifying organic waste gas in space environment |
| CN115569452A (en) * | 2022-11-30 | 2023-01-06 | 邸玉伟 | Waste gas treatment conveyor of environmental protection equipment |
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