Photo-oxygen catalytic VOC (volatile organic compound) waste gas collecting equipment

Abstract

The utility model relates to the technical field of waste gas treatment, in particular to light-oxygen catalysis VOC (volatile organic compound) waste gas treatment equipment. The technical problems that a filtering device is damaged when high-heat waste gas is treated for a long time, the service life of waste gas collecting equipment is shortened, the filtering effect of the filtering device is poor due to long-time use, and water vapor generated under the action of light oxygen cannot be discharged out of an instrument are solved. According to the technical scheme, the light-oxygen catalysis VOC waste gas collecting equipment comprises a shell assembly; the device further comprises a cooling assembly, a collecting assembly, a light source assembly, a filtering assembly and a detecting assembly. Internal gas is subjected to an oxidation reaction through an ultraviolet lamp tube, generated water vapor flows into the collecting assembly through flow holes of a fourth fixing plate, the problem that water is accumulated in the instrument under light-oxygen catalysis is solved, the interior of the cooling assembly can be cooled through a liquid nitrogen generator device, and the water vapor can flow into the collecting assembly through the flow holes of the fourth fixing plate. VOC waste gas is converted into volatile liquid, and the volatile liquid is discharged through a collecting device.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, and specifically refers to a photo-oxidation catalytic VOC waste gas treatment device. Background Art

[0002] At present, with the continuous development of industrial production, more and more waste gas is generated. In order to protect the environment from being destroyed, waste gas treatment has become an indispensable work step. In waste gas treatment, photocatalytic method is widely used. However, during the use of existing photocatalytic equipment, VOC waste gas is usually in a high-temperature state. Long-term treatment will damage the filter device, reduce the service life of the waste gas collection equipment, and long-term use will lead to poor filtering effect of the filter device, and the water vapor generated by the photocatalytic action cannot be discharged from the instrument. Utility Model Content

[0003] In order to overcome the problems that the existing photo-oxidation catalytic equipment will damage the filter device during use due to long-term treatment of high-temperature exhaust gas, reduce the service life of the exhaust gas collection equipment, and cause poor filtering effect of the filter device due to long-term use, and the water vapor generated by the photo-oxidation action cannot be discharged from the instrument.

[0004] The technical scheme of the utility model is: a photo-oxygen catalytic VOC waste gas collection device, comprising a shell component; further comprising a cooling component, a collecting component, a light source component, a filtering component and a detecting component; a cooling component for cooling gas is arranged in the shell component; a collecting component for storing liquid is arranged in the shell component; a light source component and a filtering component for treating waste gas are arranged in the shell component; a detecting component for detecting gas is arranged in the shell component, and the shell component comprises a shell, a cover body, a gas transmission pipe, an electric valve, an output pipe and a liquid nitrogen generator; the cover body is movably mounted on the upper end of the shell body; a gas transmission pipe is penetrated through the outer wall of the shell body; an electric valve is arranged on the gas transmission pipe; output pipes are penetrated through the upper and lower ends of the cover body; a liquid nitrogen generator is fixedly connected to the outer wall of the shell body, the entry of waste gas can be controlled by the electric valve, the waste gas in the machine can be cooled by the liquid nitrogen generator, the filter element can be replaced and cleaned by opening the cover body, and the filtered gas is finally discharged through the output pipe.

[0005] Preferably, when it is necessary to collect and process VOC waste gas, the gas is input into the cooling component through the outer shell component, the outer shell component is opened to cool the waste gas, and the waste gas cooled into liquid will flow into the collecting component, and the waste gas that is not completely cooled will undergo ultraviolet oxidation reaction through the fan on the light source component. The waste gas after the reaction will decompose into water vapor and carbon dioxide, and the liquid will flow into the collecting component through the light source component, and will be sucked into the filter component through the fan on the filter component for filtering treatment, and finally sucked into the detection component, and unqualified waste gas will be discharged into the cooling component again for a circulation operation, and the efficiency of waste gas treatment is improved by cooling and filtering, and when the filter component needs to be replaced, the outer shell component is opened to replace and clean the filter component, thereby solving the problem of filter element replacement.

[0006] Preferably, the cooling assembly includes a first fixed plate, a refrigeration tube, a second fixed plate, a connecting tube and a first through hole; the first fixed plate is fixedly connected to the inner wall of the shell; the upper end of the first fixed plate is fixedly connected to the refrigeration tube; the upper end of the refrigeration tube is fixedly connected to the second fixed plate; the upper end of the second fixed plate is fixedly connected to the connecting tube; the connecting tube is connected to the gas outlet port of the liquid nitrogen generator; the first through hole is penetrated at the upper and lower ends of the second fixed plate, and the connecting tube passes through the second fixed plate and is connected to the refrigeration tube; after the liquid nitrogen generator device is turned on, the gas outlet port of the liquid nitrogen generator is connected to the connecting tube to transmit to the second fixed plate and the first fixed plate, so that the cooling assembly can be cooled, and the first through hole opened on the second fixed plate can facilitate the collection of waste liquid.

[0007] Preferably, the collecting assembly comprises a liquid storage box, a liquid storage tank and a handle; the liquid storage box is movably mounted on the upper end of the bottom inner wall of the shell; the handle is fixedly connected to the outer wall of the liquid storage box; a liquid storage tank is provided inside the liquid storage box; the first through hole and the liquid storage tank are interconnected, and high-concentration VOC waste liquid flows into the liquid storage tank along the first through hole. When the VOC waste gas is treated, the liquid storage box is pulled out through the handle to facilitate subsequent treatment of the waste liquid.

[0008] Preferably, the light source assembly includes a third fixed plate, a second through hole, a fourth fixed plate, a lamp holder, an ultraviolet lamp tube, a shaft body, a first fan blade and a flow hole; the third fixed plate is fixedly connected to the inner wall of the shell; the upper and lower ends of the third fixed plate are penetrated with evenly distributed second through holes; the upper end of the third fixed plate is fixedly connected to the fourth fixed plate; the upper end of the fourth fixed plate is fixedly connected to the lamp holder; the upper end of the lamp holder is fixedly connected to the ultraviolet lamp tube; the upper end of the third fixed plate is movably mounted with a shaft body; the outer wall of the shaft body is fixedly connected to the first fan blade; the fourth fixed plate is penetrated with a flow hole, the gas can be preliminarily filtered through the second through hole on the third fixed plate, the lower gas can be sucked into the light source assembly through the rotation of the first fan blade, the ultraviolet lamp tube oxidizes the internal gas, and the generated water vapor will flow into the collecting assembly through the flow hole of the fourth fixed plate.

[0009] Preferably, the filter assembly includes a fifth fixed plate, a third through hole, a motor, a second fan blade, a filter frame, a fourth through hole, a molecular sieve, activated carbon, a movable plate and a fifth through hole; the inner wall of the shell is fixedly connected to the fifth fixed plate; the upper and lower ends of the fifth fixed plate are penetrated with the third through hole; the inner wall of the shell is movably provided with a movable plate; the inner wall of the movable plate is movably provided with a motor; the lower end of the output shaft of the motor is fixedly connected to the upper end of the shaft body; the outer wall of the shaft body is fixedly connected to the second fan blade; the upper end of the fifth fixed plate is fixedly connected to the filter frame; the front and rear ends of the filter frame are penetrated with the fourth through hole; hole; a molecular sieve is fixedly connected to the upper end of the fifth fixed plate; the outer wall of the molecular sieve is fitted with the inner wall of the filter frame; the upper end of the fifth fixed plate is fixedly connected to the activated carbon; fifth through holes are penetrated at the upper and lower ends of the movable plate; the upper end of the filter frame is fitted with the lower end of the movable plate; the upper end of the activated carbon is fitted with the lower end of the movable plate; the gas that is not completely filtered is driven by the second fan blade to rotate by turning on the motor, and the gas is sucked into the filter assembly, and is filtered by the second fan blade through the fourth through hole, so that the molecular sieve is filtered again. When cleaning is needed, the cover body and the movable plate are opened to clean the filter element.

[0010] Preferably, the detection component includes a gas detector and a reflux pipe; the upper end of the fifth fixed plate is fixedly connected to the gas detector; the outlet end of the gas detector is fixedly connected to the outlet pipe; the outer wall of the outlet pipe is in contact with the inner wall of the fifth through hole; the reflux end of the gas detector is fixedly connected to the reflux pipe; the reflux pipe passes through the fifth fixed plate and the third fixed plate and extends to the lower end of the third fixed plate. The gas detector detects whether the gas is qualified. Qualified gas is discharged to the outside of the output pipe through the outlet pipe, and unqualified gas is discharged into the cooling component through the reflux pipe for repeated operations.

[0011] Beneficial effects of the utility model:

[0012] The entry of exhaust gas can be controlled by the electric valve, and the exhaust gas in the machine can be cooled by the liquid nitrogen generator. The filter element can be replaced and cleaned by opening the cover, which solves the problem of replacing and cleaning the filter element.

[0013] 2. The gas can be initially filtered through the second through hole on the third fixed plate, and the lower gas can be sucked into the light source assembly through the rotation of the first fan blade. The ultraviolet lamp tube oxidizes the internal gas, and the generated water vapor will flow into the collection assembly through the flow hole of the fourth fixed plate, solving the problem that the water accumulated in the instrument cannot be discharged under photo-oxidation catalysis;

[0014] 3. Through the liquid nitrogen generator device, the connecting pipe and the refrigeration pipe are connected to each other, and the cold air is transferred to the second fixed plate by heat conduction. The second fixed plate is in contact with the exhaust gas, so as to cool the high-temperature exhaust gas. The first through hole opened on the second fixed plate can facilitate the collection of waste liquid. The use of a refrigeration machine can reduce the high-temperature state of the exhaust gas, thereby increasing the service life of the exhaust gas collection equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 What is shown is a three-dimensional cross-sectional structure schematic diagram of a photo-oxidation catalytic VOC waste gas collection device of the utility model;

[0016] Figure 2 What is shown is a three-dimensional structural schematic diagram of a housing component of a photo-oxidation catalytic VOC waste gas collection device of the utility model;

[0017] Figure 3 What is shown is a schematic diagram of the three-dimensional cross-sectional structure of a cooling component, a collecting component and a detecting component of a photo-oxidation catalytic VOC waste gas collecting device of the utility model;

[0018] Figure 4 What is shown is a three-dimensional cross-sectional structure schematic diagram of a light source component of a photo-oxidation catalytic VOC waste gas collection device of the utility model;

[0019] Figure 5 What is shown is a three-dimensional structural schematic diagram of a filter component of a photo-oxidation catalytic VOC waste gas collection device of the present invention.

[0020] The markings in the accompanying drawings are: 1-housing assembly, 2-cooling assembly, 3-collecting assembly, 4-light source assembly, 5-filtering assembly, 6-detection assembly, 101-housing, 102-cover, 103-gas pipe, 104-electric valve, 105-output pipe, 106-liquid nitrogen generator, 201-first fixing plate, 202-refrigeration pipe, 203-second fixing plate, 204-connecting pipe, 205-first through hole, 301-liquid storage box, 302-liquid storage tank, 303-handle, 401-third fixing plate Fixed plate, 402-second through hole, 403-fourth fixed plate, 404-lamp holder, 405-ultraviolet lamp tube, 406-axis, 407-first fan blade, 408-flow hole, 501-fifth fixed plate, 502-third through hole, 503-motor, 504-second fan blade, 505-filter frame, 506-fourth through hole, 507-molecular sieve, 508-activated carbon, 509-movable plate, 510-fifth through hole, 601-gas detector, 602-reflux pipe, 603-exhaust pipe. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-2The utility model provides an embodiment: a photo-oxygen catalytic VOC waste gas collection device, including a shell component 1; also including a cooling component 2, a collecting component 3, a light source component 4, a filtering component 5 and a detecting component 6; a cooling component 2 for cooling gas is arranged in the shell component 1; a collecting component 3 for storing liquid is arranged in the shell component 1; a light source component 4 and a filtering component 5 for treating waste gas are arranged in the shell component 1; a detecting component 6 for detecting gas is arranged in the shell component 1, and the shell component 1 includes a shell 101, a cover 102, a gas pipe 103, an electric valve 104, an output pipe 105 and a liquid nitrogen generator 106; the cover 102 is movably installed on the upper end of the shell 101; a gas pipe 103 is penetrated through the outer wall of the shell 101; an electric valve 104 is arranged on the gas pipe 103; an output pipe 105 is penetrated through the upper and lower ends of the cover 102; and a liquid nitrogen generator 106 is fixedly connected to the outer wall of the shell 101.

[0023] See also Figure 3 In this embodiment, the cooling assembly 2 includes a first fixing plate 201, a refrigeration tube 202, a second fixing plate 203, a connecting tube 204 and a first through hole 205; the inner wall of the shell 101 is fixedly connected with the first fixing plate 201; the upper end of the first fixing plate 201 is fixedly connected with the refrigeration tube 202; the upper end of the refrigeration tube 202 is fixedly connected with the second fixing plate 203; the upper end of the second fixing plate 203 is fixedly connected with the connecting tube 204; the connecting tube 204 is connected to the gas outlet port of the liquid nitrogen generator 106; the upper and lower ends of the second fixing plate 203 are penetrated with a first through hole 205, and the connecting tube 204 passes through the second fixing plate 203 and is connected to the refrigeration tube 202; the collecting assembly 3 includes a liquid storage box 301, a liquid storage tank 302 and Handle 303; a liquid storage box 301 is movably mounted on the upper end of the bottom of the inner wall of the shell 101; the handle 303 is fixedly connected to the outer wall of the liquid storage box 301; a liquid storage tank 302 is opened inside the liquid storage box 301; the first through hole 205 and the liquid storage tank 302 are interconnected, and the detection component 6 includes a gas detector 601 and a return pipe 602; the upper end of the fifth fixed plate 501 is fixedly connected to the gas detector 601; the gas outlet end of the gas detector 601 is fixedly connected to the gas outlet pipe 603; the outer wall of the gas outlet pipe 603 is in contact with the inner wall of the fifth through hole 510; the return pipe 602 is fixedly connected to the return end of the gas detector 601; the return pipe 602 passes through the fifth fixed plate 501 and the third fixed plate 401 and extends to the lower end of the third fixed plate 401.

[0024] See also Figure 4In this embodiment, the light source assembly 4 includes a third fixing plate 401, a second through hole 402, a fourth fixing plate 403, a lamp holder 404, an ultraviolet lamp tube 405, a shaft 406, a first fan blade 407 and a flow hole 408; the inner wall of the shell 101 is fixedly connected with the third fixing plate 401; the upper and lower ends of the third fixing plate 401 are penetrated with uniformly distributed second through holes 402; the upper end of the third fixing plate 401 is fixedly connected with the fourth fixing plate 403; the upper end of the fourth fixing plate 403 is fixedly connected with the lamp holder 404; the upper end of the lamp holder 404 is fixedly connected with the ultraviolet lamp tube 405; the upper end of the third fixing plate 401 is movably mounted with a shaft 406; the outer wall of the shaft 406 is fixedly connected with the first fan blade 407; the fourth fixing plate 403 is penetrated with a flow hole 408.

[0025] See also Figure 4-5 In this embodiment, the filter assembly 5 includes a fifth fixed plate 501, a third through hole 502, a motor 503, a second fan blade 504, a filter frame 505, a fourth through hole 506, a molecular sieve 507, an activated carbon 508, a movable plate 509 and a fifth through hole 510; the inner wall of the shell 101 is fixedly connected with the fifth fixed plate 501; the upper and lower ends of the fifth fixed plate 501 are penetrated with the third through hole 502; the inner wall of the shell 101 is movably provided with a movable plate 509; the inner wall of the movable plate 509 is movably provided with a motor 503; the lower end of the output shaft of the motor 503 is fixedly connected to the shaft body 406 The upper end; the outer wall of the shaft 406 is fixedly connected with the second fan blade 504; the upper end of the fifth fixed plate 501 is fixedly connected with the filter frame 505; the front and rear ends of the filter frame 505 are penetrated with a fourth through hole 506; the upper end of the fifth fixed plate 501 is fixedly connected with a molecular sieve 507; the outer wall of the molecular sieve 507 is fitted with the inner wall of the filter frame 505; the upper end of the fifth fixed plate 501 is fixedly connected with activated carbon 508; the upper and lower ends of the movable plate 509 are penetrated with a fifth through hole 510; the upper end of the filter frame 505 is fitted with the lower end of the movable plate 509; the upper end of the activated carbon 508 is fitted with the lower end of the movable plate 509.

[0026] When in use, the entry of exhaust gas can be controlled by the electric valve 104. After the liquid nitrogen generator 106 device is turned on, the outlet port of the liquid nitrogen generator is connected to the refrigeration pipe 202 through the connecting pipe 204, and the cold air is transferred to the second fixed plate 203 by heat conduction; the second fixed plate 203 contacts the exhaust gas, thereby cooling the high-temperature exhaust gas, and the cooling component 2 can be cooled. When the exhaust gas encounters the cooled second fixed plate 203, part of the high-concentration VOC waste liquid will flow into the liquid storage tank 302 along the first through hole 205;

[0027] Then, the gas can be initially filtered through the second through hole 402 on the third fixing plate 401, and the lower gas can be sucked into the light source assembly 4 through the rotation of the first fan blade 407. The ultraviolet lamp tube 405 performs an oxidation reaction on the internal gas, and the generated water vapor flows into the collection assembly 3 through the flow hole 408 of the fourth fixing plate 403;

[0028] The incompletely filtered gas drives the second fan blade 504 to rotate by turning on the motor 503, and the gas is sucked into the filter assembly 5. After being filtered by the second fan blade 504 and passing through the fourth through hole 506, the molecular sieve 507 and the activated carbon 508 adsorb and filter the exhaust gas. The gas detector 601 detects whether the gas is qualified. The qualified gas is discharged to the outside of the output pipe 105 through the outlet pipe 603, and the unqualified gas is discharged into the cooling assembly 2 through the reflux pipe 602 to repeat the operation. When the VOC exhaust gas is treated, the liquid storage box 301 is pulled out through the handle 303 to facilitate the subsequent treatment of the waste liquid. When cleaning is needed, the cover body 102 and the movable plate 509 are opened to clean the filter element.

[0029] Through the above steps, when it is necessary to collect and process the VOC waste gas, the gas is input into the cooling component 2 through the outer shell component 1, and the outer shell component 1 is opened to cool the waste gas. The waste gas cooled into liquid will flow into the collecting component 3, and the waste gas that is not completely cooled will undergo ultraviolet oxidation reaction through the fan on the light source component 4. The waste gas after the reaction is decomposed into water vapor and carbon dioxide, and the liquid will flow into the collecting component 3 through the light source component 4, and will be sucked into the filter component 5 through the fan on the filter component 5 for filtering treatment, and finally sucked into the detection component 6. The unqualified waste gas will be discharged into the cooling component 2 again for a circulation operation. The efficiency of waste gas treatment is improved by cooling and filtering. When the filter component 5 needs to be replaced, the outer shell component 1 is opened to replace and clean the filter component 5, thereby solving the problem of filter element replacement.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A photo-oxidation catalytic VOC waste gas collection device, comprising a housing component (1); characterized in that: The invention also comprises a cooling component (2), a collecting component (3), a light source component (4), a filtering component (5) and a detecting component (6); the outer shell component (1) is provided with a cooling component (2) for cooling gas; the outer shell component (1) is provided with a collecting component (3) for storing liquid; the outer shell component (1) is provided with a light source component (4) and a filtering component (5) for treating exhaust gas; the outer shell component (1) is provided with a detecting component (6) for detecting gas; the outer shell component (1) comprises a housing ( 101), a cover body (102), a gas pipe (103), an electric valve (104), an output pipe (105) and a liquid nitrogen generator (106); the cover body (102) is movably mounted on the upper end of the shell (101); a gas pipe (103) is penetrated through the outer wall of the shell (101); an electric valve (104) is arranged on the gas pipe (103); an output pipe (105) is penetrated through the upper and lower ends of the cover body (102); and the liquid nitrogen generator (106) is fixedly connected to the outer wall of the shell (101).

2. The photocatalytic VOC waste gas collection device according to claim 1, characterized in that: The cooling assembly (2) comprises a first fixing plate (201), a refrigeration tube (202), a second fixing plate (203), a connecting tube (204) and a first through hole (205); the first fixing plate (201) is fixedly connected to the inner wall of the shell (101); the upper end of the first fixing plate (201) is fixedly connected to the refrigeration tube (202); the upper end of the refrigeration tube (202) is fixedly connected to the second fixing plate (203); the upper end of the second fixing plate (203) is fixedly connected to the connecting tube (204); the connecting tube (204) is connected to the gas outlet port of the liquid nitrogen generator (106); the first through hole (205) is formed through the upper and lower ends of the second fixing plate (203); and the connecting tube (204) passes through the second fixing plate (203) and is connected to the refrigeration tube (202).

3. The photo-oxidation catalytic VOC waste gas collection device according to claim 1, characterized in that: The collecting assembly (3) comprises a liquid storage box (301), a liquid storage tank (302) and a handle (303); the liquid storage box (301) is movably mounted on the upper end of the bottom of the inner wall of the housing (101); the handle (303) is fixedly connected to the outer wall of the liquid storage box (301); the liquid storage tank (302) is provided inside the liquid storage box (301); and the first through hole (205) and the liquid storage tank (302) are mutually connected.

4. The photo-oxidation catalytic VOC waste gas collection device according to claim 1, characterized in that: The light source assembly (4) comprises a third fixing plate (401), a second through hole (402), a fourth fixing plate (403), a lamp holder (404), an ultraviolet lamp tube (405), a shaft body (406), a first fan blade (407) and a flow hole (408); the inner wall of the housing (101) is fixedly connected to the third fixing plate (401); the upper and lower ends of the third fixing plate (401) are penetrated by uniformly distributed second through holes (402); the upper end of the third fixing plate (401) is fixedly connected to the fourth fixing plate (403); the upper end of the fourth fixing plate (403) is fixedly connected to the lamp holder (404); the upper end of the lamp holder (404) is fixedly connected to the ultraviolet lamp tube (405); the upper end of the third fixing plate (401) is movably mounted with a shaft body (406); the outer wall of the shaft body (406) is fixedly connected to the first fan blade (407); and the flow hole (408) is penetrated by the fourth fixing plate (403).

5. The photo-oxidation catalytic VOC waste gas collection device according to claim 1, characterized in that: The filter assembly (5) comprises a fifth fixed plate (501), a third through hole (502), a motor (503), a second fan blade (504), a filter frame (505), a fourth through hole (506), a molecular sieve (507), activated carbon (508), a movable plate (509) and a fifth through hole (510); the fifth fixed plate (501) is fixedly connected to the inner wall of the housing (101); the third through hole (502) is penetrated through the upper and lower ends of the fifth fixed plate (501); the movable plate (509) is movably provided on the inner wall of the housing (101); the motor (503) is movably provided on the inner wall of the movable plate (509); the lower end of the output shaft of the motor (503) is fixedly connected to the upper end of the shaft body (406); end; the outer wall of the shaft body (406) is fixedly connected to the second fan blade (504); the upper end of the fifth fixed plate (501) is fixedly connected to the filter frame (505); the front and rear ends of the filter frame (505) are penetrated by fourth through holes (506); the upper end of the fifth fixed plate (501) is fixedly connected to the molecular sieve (507); the outer wall of the molecular sieve (507) is bonded to the inner wall of the filter frame (505); the upper end of the fifth fixed plate (501) is fixedly connected to the activated carbon (508); the upper and lower ends of the movable plate (509) are penetrated by fifth through holes (510); the upper end of the filter frame (505) is bonded to the lower end of the movable plate (509); the upper end of the activated carbon (508) is bonded to the lower end of the movable plate (509).

6. The photo-oxidation catalytic VOC waste gas collection device according to claim 5, characterized in that: The detection assembly (6) comprises a gas detector (601) and a return pipe (602); the gas detector (601) is fixedly connected to the upper end of the fifth fixed plate (501); the gas outlet end of the gas detector (601) is fixedly connected to the gas outlet pipe (603); the outer wall of the gas outlet pipe (603) is in contact with the inner wall of the fifth through hole (510); the return pipe (602) is fixedly connected to the return end of the gas detector (601); the return pipe (602) passes through the fifth fixed plate (501) and the third fixed plate (401) and extends to the lower end of the third fixed plate (401).

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