VOC photocatalysis device for industrial waste gas treatment

Abstract

The utility model discloses a VOC (volatile organic compound) photocatalysis device for industrial waste gas treatment. The VOC photocatalysis device comprises a treatment bin, a support frame, a sewage discharge channel, an air blower, a valve, a filter plate, an activated carbon plate, a fixed frame, a spraying mechanism and a catalysis mechanism, the treatment bin is installed at the top of the supporting frame, an air inlet is formed in one side of the treatment bin, an air blower is installed on one side of the air inlet, and an air outlet is formed in the top of the treatment The blowdown channel is welded on the side wall of the treatment bin, a valve is arranged at the communication part of the blowdown channel and the treatment bin, and a blowdown port is formed in the bottom of the blowdown channel; the fixing frame is mounted in the treatment bin; a filter plate and an activated carbon plate are fixedly mounted at the bottom of the fixing frame; the catalytic mechanism is positioned at the top end of the fixed frame; according to the utility model, the efficient decomposition and purification of waste gas are realized, and the discharged gas is ensured to meet the environmental protection standard.

Description

TECHNICAL FIELD

[0001] The utility model belongs to industrial waste gas treatment technical field, especially related to a VOC photocatalytic device for industrial waste gas treatment. BACKGROUND

[0002] At present, most of the VOC waste gas treatment equipment has limited ultraviolet lamp tube irradiation range in the catalytic mechanism, and the irradiation time is too short, and the ultraviolet rays cannot uniformly irradiate the waste gas, resulting in slow decomposition of the equipment, and the decomposition effect is not ideal, and the harmful substances in the waste gas cannot be completely catalytic oxidation.

[0003] After searching: the prior art announcement number: CN220214504U a VOC waste gas treatment equipment, including the shell, the inside fixed connection of shell has two pipes, two The inside of pipe is equipped with catalytic decomposition mechanism, the right side of shell is fixedly connected with exhaust pipe, two The one end of pipe is communicated with exhaust pipe, the inside of shell is installed with spray filter assembly;The prior art waste gas enters the decomposition mechanism, and the waste gas flow is fast, the ultraviolet lamp tube irradiation range is limited, and the time is too short, and the harmful substances in the waste gas cannot be completely catalytic oxidation.

[0004] Further search: the prior art announcement number: CN220513843U a mixed VOC waste gas treatment equipment based on UV photocatalysis, including base, the upper surface of base is fixedly installed with box, the side of box is fixedly connected with air inlet pipe, the other side of box is fixedly connected with exhaust pipe, the front side of box is fixedly installed with single door, the side of single door is provided with display screen, the side of display screen is provided with controller, the side of air inlet pipe is fixedly connected with fan, the side of fan is fixedly installed with mounting plate, the side of mounting plate is fixedly installed with filter box, the lower part of filter box is fixedly connected with collection box, the surface of collection box is movably installed with adsorption plate;Although the prior art can extend the catalytic oxidation of waste gas in the photocatalytic tank through the valve, only ultraviolet lamp tubes are installed around the photocatalytic tank, resulting in uneven distribution of ultraviolet rays in the photocatalytic tank, and the irradiation intensity of ultraviolet rays received by waste gas at different positions in the photocatalytic tank is different, so that the waste gas catalytic time is too long, thereby affecting the overall waste gas treatment effect and purification efficiency. SUMMARY

[0005] The utility model discloses a kind of VOC photocatalytic devices for industrial waste gas treatment, which is used to overcome the deficiencies in the prior art, realize the efficient decomposition and purification of waste gas by catalytic mechanism, ensure that the gas finally discharged meets environmental protection standards, and reduce pollution to the environment.

[0006] To achieve the above object, the utility model adopts the technical scheme of:

[0007] The utility model provides an industrial waste gas treatment VOC photocatalytic device, including processing bin, support frame, pollution discharge channel, air blower, valve, filter plate, activated carbon plate, fixing frame, spraying mechanism, catalytic mechanism, processing bin installs at the top of support frame, and one side of processing bin is equipped with the air inlet, and the air inlet side is installed air blower, can accelerate the waste gas collection speed, and the top of processing bin is equipped with the air outlet, pollution discharge channel welding is installed on the lateral wall of processing bin, and the communication of pollution discharge channel and processing bin is equipped with the valve, and the bottom of pollution discharge channel is equipped with the pollution discharge port, fixing frame installs in the inside of processing bin, and the bottom of fixing frame is fixedly installed filter plate, activated carbon plate, spraying mechanism is located filter plate bottom end, and catalytic mechanism is located fixing frame top end,

[0008] The lateral wall of the processing bin is provided with a plurality of groups of maintenance openings.

[0009] The spraying mechanism includes a water tank, a cylindrical pipe, a motor I, a rotating shaft I, a spray head I, a rotating frame I, and a spray head II. The motor compartment is provided in the fixing frame, and a maintenance opening is provided on one side of the motor compartment. The motor I is installed in the motor compartment, the rotating shaft I is rotatably installed at the bottom of the processing bin, the output end of the motor I is fixedly connected with the rotating shaft I, the rotating frame I is fixedly connected with the rotating shaft I, the rotating frame I is hollow, and the spray head II is installed at the bottom of the rotating frame I. A groove I is provided on the side wall of the bottom of the fixing frame, the cylindrical pipe is movably installed in the groove I, a groove II is provided at the top of the cylindrical pipe, the groove I and the groove II are communicated, the cylindrical pipe is fixedly connected with the rotating frame I, the groove II is communicated with the rotating frame I, and a plurality of spray heads I are installed on the inner side wall of the cylindrical pipe. The water tank is welded on the side wall of the processing bin, and the water tank is communicated with the groove I through a water pipe. An inlet is provided at the top of the water tank.

[0010] A plurality of connecting pipes are provided on the fixing frame, and a spiral channel is fixedly installed in the connecting pipe.

[0011] The catalytic mechanism includes a motor II, a limiting plate, an ultraviolet lamp I, a rotating frame III, a refracting plate, a connecting frame, an ultraviolet lamp II, a gear, and a rotating shaft II. The motor II is fixedly installed at the top of the processing bin, the rotating shaft II is rotatably installed at the top of the fixing frame, and the output end of the motor II is fixedly connected with the rotating shaft II. Two connecting frames are provided, the two connecting frames are fixedly installed on the rotating shaft II, a plurality of ultraviolet lamps II are provided, the ultraviolet lamps II are fixedly connected with the connecting frames between the two connecting frames. The rotating frame III is located at the top of the connecting frame and is fixedly connected with the rotating shaft II. The rotating frame III is in the shape of a cross. A refracting plate is rotatably installed at each end of the rotating frame III. A nano TiO2 catalyst layer is applied on the refracting plate. A gear is fixedly installed at the bottom of the refracting plate. An internal gear is provided on the side wall of the top of the fixing frame. The gear is meshed with the internal gear. A plurality of ultraviolet lamps I are provided. The ultraviolet lamps I are fixedly installed on the inner wall of the processing bin.

[0012] The inner tooth bottom is provided with a limiting frame, the limiting frame is fixedly connected with the fixed frame, the limiting plate is fixedly installed at the inner tooth top end, the limiting frame is flush with the limiting plate top end and there is a sliding groove between the limiting frame and the limiting plate, the refracting plate and the gear connecting part are located in the sliding groove, for supporting and limiting the gear, protecting the gear and the inner tooth, preventing the residual dust in the waste gas from affecting the transmission effect between the gear and the inner tooth, and ensuring the stable rotation of the refracting plate.

[0013] The utility model has the advantages that compared with prior art, the utility model has the advantages that:

[0014] 1) After the motor II starts, the rotating shaft II is driven to rotate, the connecting frame is rotated, the ultraviolet lamp II between the connecting frames also starts to rotate, the ultraviolet lamp I and the ultraviolet lamp II irradiate the waste gas, further decompose and oxidize the small molecule substances in the waste gas, the rotating frame III rotates, the refracting plate starts to rotate under the rotation of the rotating frame III, the refracting plate changes the angle constantly, refracts the ultraviolet light emitted by the ultraviolet lamp I and the ultraviolet lamp II, further expands the irradiation range of the ultraviolet lamp I and the ultraviolet lamp II, ensures the sufficient irradiation of the ultraviolet light to the waste gas, the multi-angle ultraviolet irradiation and the design of the refracting plate increase the ultraviolet light irradiation range, make the waste gas contact with the ultraviolet light fully, and improve the catalytic efficiency.

[0015] 2) The rotation of the rotating frame III and the ultraviolet lamp I and other structures stirs the waste gas constantly, makes the organic molecules in the waste gas mix fully, avoids the insufficient local treatment, the dynamic treatment mode makes the organic molecules in the waste gas react with the ultraviolet light more efficiently, speeds up the purification process of the waste gas. BRIEF DESCRIPTION OF DRAWINGS

[0016] ATTACHED Figure 1 It is a VOC photocatalytic device structure schematic view for industrial waste gas treatment.

[0017] ATTACHED Figure 2 It is an attached Figure 1 It is a spray mechanism structure schematic view.

[0018] ATTACHED Figure 3 It is an attached Figure 1 It is a decomposition mechanism structure schematic view.

[0019] ATTACHED Figure 4 It is an attached Figure 1 It is a catalytic mechanism structure schematic Figure 1 ;

[0020] ATTACHED Figure 5 It is an attached Figure 1 It is a catalytic mechanism structure schematic Figure 2 ;

[0021] ATTACHED Figure 6 It is an attached Figure 1Structure diagram of catalytic mechanism Figure 3 ;

[0022] Attached Figure 7 The utility model relates to a VOC photocatalytic device for industrial waste gas treatment appearance diagram Figure 1 ;

[0023] Attached Figure 8 The utility model relates to a VOC photocatalytic device for industrial waste gas treatment appearance diagram Figure 2 ;

[0024] In the figure: 1, processing warehouse;101, support frame;102, gas inlet;103, gas outlet;104, pollution discharge channel;105, pollution discharge port;106, air blower;108, valve;110, filter plate;111, activated carbon plate;112, fixed frame;2, spraying mechanism;21, water tank;23, water inlet;24, cylindrical pipe;25, motor I;26, rotating shaft I;27, spray head I;28, groove I;29, groove II;210, rotating frame I;211, spray head II;4, spiral channel;5, catalytic mechanism;51, motor II;52, limit frame;53, limit plate;54, inner tooth;55, ultraviolet lamp I;56, rotating frame III;57, refracting plate;58, connecting frame;59, ultraviolet lamp II;510, gear;511, rotating shaft II;6, connecting pipeline. Specific implementation

[0025] For the convenience of the person skilled in the art, the following will be combined with the attached Figures 1-8 , the technical scheme of the utility model is further specifically explained.

[0026] A VOC photocatalytic device for industrial waste gas treatment, including processing warehouse 1, support frame 101, pollution discharge channel 104, air blower 106, valve 108, filter plate 110, activated carbon plate 111, fixed frame 112, spraying mechanism 2, catalytic mechanism 5;Processing warehouse 1 is installed at the top of support frame 101, and one side of processing warehouse 1 is provided with gas inlet 102, and air blower 106 is installed on one side of gas inlet 102, which can accelerate the waste gas collection speed, and the top of processing warehouse 1 is provided with gas outlet 103;Pollution discharge channel 104 is welded and installed on the side wall of processing warehouse 1, and valve 108 is installed at the communication place of pollution discharge channel 104 and processing warehouse 1, and pollution discharge port 105 is arranged at the bottom of pollution discharge channel 104;Fixed frame 112 is installed in processing warehouse 1, and filter plate 110 and activated carbon plate 111 are fixedly installed at the bottom of fixed frame 112;Spraying mechanism 2 is located at the bottom end of filter plate 110, and catalytic mechanism 5 is located at the top end of fixed frame 112;

[0027] A plurality of groups of access holes are arranged on the side wall of processing warehouse 1;

[0028] From the above description: the blower 106 quickly introduces the exhaust gas from the air inlet 102 into the treatment bin 1, the spraying mechanism 2 sprays the exhaust gas entering the treatment bin 1, separates the particulate matter in the exhaust gas from the exhaust gas, and reduces the temperature of the exhaust gas. The sewage generated during the treatment process is periodically discharged from the exhaust port 105 through the valve 108 and the exhaust passage 104, and then the exhaust gas is filtered and adsorbed by the filter plate 110 and the activated carbon plate 111 again. The catalytic mechanism 5 further purifies the exhaust gas, and finally the purified gas is discharged from the air outlet 103.

[0029] The spraying mechanism comprises a water tank 21, a cylindrical pipe 24, a motor I 25, a rotating shaft I 26, a spray head I 127, a rotating frame I 210, and a spray head II 211. The fixed frame 112 is provided with a motor compartment, one side of the motor compartment is provided with an access hole, the motor I 25 is installed in the motor compartment, the rotating shaft I 26 is rotatably installed at the bottom of the treatment bin 1, the output end of the motor I 25 is fixedly connected with the rotating shaft I 26, the rotating frame I 210 is fixedly connected with the rotating shaft I 26, and the rotating frame I 210 is hollow. The spray head II 211 is provided with a plurality of installation portions at the bottom of the rotating frame I 210. The bottom side wall of the fixed frame 112 is provided with a groove I 128, the cylindrical pipe 24 is movably installed in the groove I 128, the top of the cylindrical pipe 24 is provided with a groove II 129, the groove I 128 and the groove II 129 are communicated, the cylindrical pipe 24 is fixedly connected with the rotating frame I 210, the groove II 129 is communicated with the rotating frame I 210, and a plurality of spray heads I 127 are installed on the inner side wall of the cylindrical pipe 24. The water tank 21 is welded on the side wall of the treatment bin 1, the water tank 21 is communicated with the groove I 128 through a water pipe, and the top of the water tank 21 is provided with a water inlet 23.

[0030] From the above description: when the exhaust gas enters the treatment bin, the motor I 25 drives the rotating shaft I 26 to rotate, so that the rotating frame I 210 rotates, and the spray head II 211 sprays the exhaust gas entering the treatment bin 1 in the rotating process, so that the particulate matter in the exhaust gas is separated from the exhaust gas, and the temperature of the exhaust gas is reduced. At the same time, the cylindrical pipe 24 rotates under the driving of the rotating frame I 210, the spray head I 127 rotates and sprays from the side, further increasing the coverage range and angle of spraying, and making the exhaust gas treatment more comprehensive and thorough. The cylindrical pipe 24 is movably installed in the groove I 128 of the bottom side wall of the fixed frame 112 and is fixedly connected with the rotating frame I 210. The groove II 129 is communicated with the rotating frame I 210, the groove I 128 and the groove II 129 are communicated, and the water flow is smooth, which effectively treats the industrial exhaust gas.

[0031] A plurality of groups of connecting pipes 6 are arranged on the fixed frame 112, and a spiral channel 4 is fixedly installed in the connecting pipe 6.

[0032] From the above description: after the exhaust gas enters the connecting pipe 6, the spiral channel 4 increases the flow path of the exhaust gas, prolongs the flow time of the exhaust gas in the connecting pipe 6, and reduces the flow rate of the exhaust gas.

[0033] The catalytic mechanism 5 includes motor II 51, limit plate 53, ultraviolet lamp I 55, rotating frame III 56, refracting plate 57, connecting frame 58, ultraviolet lamp II 59, gear 510, rotating shaft II 511, the motor II 51 is fixedly installed at the top of the processing bin 1, the rotating shaft II 511 is rotatably installed at the top of the fixed frame 112, and the rotating shaft II 511 is fixedly connected with the output end of the motor II 51, the connecting frame 58 is provided with two groups, the two groups of connecting frames 58 are fixedly installed on the rotating shaft II 511, the ultraviolet lamp II 59 is provided with a plurality of, and the ultraviolet lamp II 59 is fixedly connected with the connecting frame 58 between the two groups of connecting frames 58, the rotating frame III 56 is located at the top of the connecting frame 58 and is fixedly connected with the rotating shaft II 511, the rotating frame III 56 is in the shape of a cross, the rotating frame III 56 rotatably installs the refracting plate 57 at each end, the refracting plate 57 is coated with a nano TiO2 catalyst layer, the refracting plate 57 is fixedly installed with the gear 510 at the bottom, the inner tooth 54 is arranged on the top end side wall of the fixed frame 112, and the gear 510 is meshed with the inner tooth 54, the ultraviolet lamp I 55 is provided with a plurality of, the ultraviolet lamp I 55 is located on one side of the refracting plate 57 and is fixedly installed on the inner wall of the processing bin 1, the inner tooth 54 is provided with the limiting frame 52 at the bottom, the limiting frame 52 is fixedly connected with the fixed frame 112, the limiting plate 53 is fixedly installed at the top end of the inner tooth 54, the top end of the limiting frame 52 is flush with the limiting plate 53, and the limiting frame 52 and the limiting plate 53 are provided with a sliding groove therebetween, the refracting plate 57 and the gear 510 are connected and located in the sliding groove, for supporting and limiting the gear 510, protecting the gear 510 and the inner tooth 54, preventing the transmission effect between the gear 510 and the inner tooth 54 from being affected by the residual dust in the exhaust gas, and ensuring that the refracting plate 57 rotates stably,

[0034] From the above description, it can be known that: after the exhaust gas passes through the spiral channel 4 and the flow rate is reduced, the motor II 51 is started, the rotating shaft II 511 is rotated, the connecting frame 58 is rotated, the ultraviolet lamp II 59 between the connecting frames 58 also starts to rotate, the ultraviolet lamp I 55 and the ultraviolet lamp II 59 irradiate the exhaust gas, and small molecular substances in the exhaust gas are further decomposed and oxidized; meanwhile, the rotating frame III 56 rotates, the refracting plate 57 starts to rotate under the rotation of the rotating frame III 56, the refracting plate 57 continuously changes the angle, refracts the ultraviolet rays emitted by the ultraviolet lamp I 55 and the ultraviolet lamp II 59, further expands the irradiation range of the ultraviolet lamp I 55 and the ultraviolet lamp II 59, and ensures that the ultraviolet rays fully irradiate the exhaust gas; the multi-angle ultraviolet irradiation and the design of the refracting plate 57 increase the ultraviolet irradiation range, make the exhaust gas fully contact with the ultraviolet rays, and improve the catalytic efficiency.

[0035] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the 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 therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0036] As described above, the electronic or electric components including but not limited to motors, blowers, water pumps, ultraviolet lamps and the like are prior art components, which are obtained by private customization or purchase, and the electrical connection between each component is a conventional circuit connection or electrical connection in the prior art, which is not within the protection scope of the utility model.

[0037] The above content is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the present claims, which shall belong to the protection scope of the utility model.

Claims

1. A VOC photocatalytic device for industrial waste gas treatment, comprising a treatment bin, a support frame, a pollution discharge channel, a blower, a valve, a filter plate, an activated carbon plate, a fixing frame, a spraying mechanism and a catalytic mechanism; the treatment bin is installed on the top of the support frame, one side of the treatment bin is provided with an air inlet, a blower is installed on one side of the air inlet, and an air outlet is arranged on the top of the treatment bin; the pollution discharge channel is welded and installed on the side wall of the treatment bin, a valve is installed at the communication part of the pollution discharge channel and the treatment bin, and a pollution discharge port is arranged at the bottom of the pollution discharge channel; the fixing frame is installed in the treatment bin, and a filter plate and an activated carbon plate are fixedly installed at the bottom of the fixing frame; the spraying mechanism is located at the bottom end of the filter plate, and the catalytic mechanism is located at the top end of the fixing frame; characterized in that the catalytic mechanism comprises a motor II, a limiting plate, an ultraviolet lamp I, a rotating frame III, a refracting plate, a connecting frame, an ultraviolet lamp II, a gear and a rotating shaft II; the motor II is fixedly installed on the top of the treatment bin, the rotating shaft II is rotatably installed on the top of the fixing frame, and the rotating shaft II is fixedly connected with the output end of the motor II; two groups of connecting frames are arranged, the two groups of connecting frames are fixedly installed on the rotating shaft II, and a plurality of ultraviolet lamps II are arranged; the ultraviolet lamp II is fixedly connected with the connecting frame between the two groups of connecting frames; the rotating frame III is located on the top of the connecting frame and is fixedly connected with the rotating shaft II, the rotating frame III is in the shape of a "cross", a refracting plate is rotatably installed at each end of the rotating frame III, a nano TiO2 catalyst layer is coated on the refracting plate, a gear is fixedly installed at the bottom of the refracting plate, an inner tooth is arranged on the side wall of the top end of the fixing frame, and the gear is meshed with the inner tooth; a plurality of ultraviolet lamps I are arranged, and the ultraviolet lamp I is fixedly installed on the inner wall of the treatment bin.

2. The VOC photocatalytic device for industrial waste gas treatment according to claim 1, characterized in that A limiting frame is arranged at the bottom of the inner tooth, the limiting frame is fixedly connected with the fixing frame, the limiting plate is fixedly installed at the top end of the inner tooth, the top end of the limiting frame is flush with the top end of the limiting plate, and a sliding groove is arranged between the limiting frame and the limiting plate; the connecting part of the refracting plate and the gear is located in the sliding groove.

3. The VOC photocatalytic device for industrial waste gas treatment according to claim 1, characterized in that A plurality of maintenance openings are arranged on the side wall of the treatment bin.

4. The VOC photocatalytic device for industrial waste gas treatment according to claim 1, characterized in that The spraying mechanism comprises a water tank, a cylindrical pipe, a motor I, a rotating shaft I, a spray head I, a rotating frame I and a spray head II; a motor compartment is arranged in the fixing frame, a maintenance opening is arranged on one side of the motor compartment, the motor I is installed in the motor compartment, the rotating shaft I is rotatably installed at the bottom of the treatment bin, the output end of the motor I is fixedly connected with the rotating shaft I, the rotating frame I is fixedly connected with the rotating shaft I, the rotating frame I is hollow, and a plurality of spray heads II are installed at the bottom of the rotating frame I; a groove I is arranged on the side wall of the bottom of the fixing frame, the cylindrical pipe is movably installed in the groove I, a groove II is arranged at the top of the cylindrical pipe, the groove I and the groove II are communicated, the cylindrical pipe is fixedly connected with the rotating frame I, the groove II is communicated with the rotating frame I, and a plurality of spray heads I are installed on the inner side wall of the cylindrical pipe; the water tank is welded on the side wall of the treatment bin, the water tank is communicated with the groove I through a water pipe, and a water inlet is arranged at the top of the water tank.

5. The VOC photocatalytic device for industrial waste gas treatment according to claim 4, characterized in that A maintenance opening is arranged on one side of the motor compartment.

6. The VOC photocatalytic device for industrial waste gas treatment according to claim 1, characterized in that A plurality of connecting pipes are arranged on the fixing frame, and a spiral channel is fixedly installed in the connecting pipe.

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