Chemical waste gas spraying equipment

Abstract

The utility model discloses chemical waste gas spraying equipment which comprises a box body, a cover body and a circulating filtering mechanism, the cover body and the circulating filtering mechanism are detachably connected, the circulating filtering mechanism comprises a water tank and a water bucket which are located in the middle of the box body and are respectively distributed up and down, and the circulating filtering mechanism further comprises a supporting plate fixedly arranged on the inner surface of the box body. The circulating filtering mechanism further comprises two sets of annular water pipes arranged on the two sides of the inner surface of the water tank correspondingly, and an adapter pipe and a water pump which are installed on the two sides of the same outer surface of the water tank correspondingly, and a plurality of atomizing nozzles annularly distributed at equal intervals are installed on the inner surfaces of the annular water pipes. The circulating filtering mechanism capable of spraying the waste gas by utilizing circulating water is arranged in the box body, and the circulating filtering mechanism can be used for repeatedly removing impurities from the sewage by utilizing a centrifugal pressure applying manner, so that the sewage is effectively filtered; due to the arrangement of the blowing assembly and the stirring assembly, on one hand, the waste gas introduction speed can be increased, and on the other hand, the probability that the activated carbon filter element is blocked can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical waste gas treatment, in particular to a chemical waste gas spraying device. Background Technique

[0002] Chemical waste gas refers to the toxic and harmful gases discharged from chemical plants during chemical production. The pollutants contained in chemical waste gas often have a wide variety of types, with complex physical and chemical properties and different toxicities, seriously polluting the environment and affecting human health. Therefore, the waste gas must be purified.

[0003] A Chinese patent with the publication number of CN217367667U discloses a chemical environmental protection dust removal device, which includes a rectangular hollow purification pool. A exhaust fan is rotatably arranged on the left side of the purification pool, and a spray head that slides and rotates while moving is arranged in the purification pool; a collection pool is fixed at the lower end of the middle part of the purification pool, and a cover plate is hinged on the left side of the collection pool. The cover plate is a structure that can swing open. During use, the waste gas generated by the chemical industry enters the purification pool 1 through the exhaust fan 2. When the spray head 3 rotates, it slides back and forth, enabling the waste gas to fully contact with the liquid medicine, and making particulate matters such as dust precipitate in the collection pool 4. Secondly, the telescopic rod 6 is used to stretch and open the cover plate 5 to discharge the dust and other particles. After the waste gas is treated, almost all the particulate matters such as dust are removed, so it is suitable for workers to breathe and guarantees people's health. This device has the following defects: when treating the waste gas, the liquid medicine cannot be filtered and reused, resulting in the liquid medicine being discharged together with particulate matters such as dust, thus reducing the resource utilization rate. Content of the Utility Model

[0004] The utility model is to solve the above problems existing in the chemical environmental protection dust removal device of the prior art, and provides a chemical waste gas spraying device that can improve the resource utilization rate and treatment rate and has good operation stability.

[0005] To achieve the above object, the utility model adopts the following technical solutions: A chemical waste gas spraying device of the utility model includes a box body and a detachably connected cover body, and further includes: a circulating filtration mechanism for spraying waste gas, the circulating filtration mechanism includes a water tank and a water bucket located in the middle of the box body and distributed vertically, and further includes a support plate fixedly arranged on the inner surface of the box body, the water tank is connected to the support plate, the water bucket is rotatably arranged on the support plate through a drive shaft, and the drive shaft is connected to the water bucket, and the bottom end of the drive shaft is connected and assembled with the output end of the motor below through a coupling. The circulating filtration mechanism further includes two groups of annular water pipes respectively arranged on both sides of the inner surface of the water tank, and a transfer pipe and a water pump respectively installed on both sides of the same outer surface of the water tank. The two groups of annular water pipes are both connected to the transfer pipe, and a plurality of atomizing nozzles are installed on the inner surface of the annular water pipe at equal intervals in a ring shape. Among them, the motor is installed on the support plate, and a protective cover is installed at the bottom end of the support plate and at the position of the motor for protecting the motor from being wetted by water.

[0006] Preferably, a water injection pipe is arranged at the bottom end of the transfer pipe. One end of the water injection pipe is connected to the transfer pipe, and the other end of the water injection pipe is connected to the water outlet end of the water pump. A water suction pipe is arranged at the water inlet end of the water pump. A plurality of filter cylinders are fixedly installed on the outer surface of the bottom of the water bucket at equal intervals in a ring shape, and an activated carbon filter element is arranged on the inner surface of the filter cylinder. Among them, the inner cavities of the water injection pipe, the transfer pipe, and the annular water pipe are communicated. The activated carbon filter element can effectively adsorb harmful substances doped in the sewage to purify the sewage.

[0007] Preferably, an ultraviolet germicidal lamp is installed on the inner surface of the water tank and between the two groups of annular water pipes. A water collecting plate for guiding water is arranged at the bottom of the inner surface of the water tank, and a diversion port is formed through the middle of the water collecting plate. A drain pipe is installed at the bottom of the water tank and at the position of the diversion port. A shielding bucket for intercepting sewage is installed in the middle of the top end of the water bucket, and a screen frame is fixedly installed in the middle of the inner surface of the water bucket. Among them, at least four groups of ultraviolet germicidal lamps are arranged for sterilizing and disinfecting the water mist. The bottom end of the drain pipe extends into the interior of the water bucket, the bottom end of the shielding bucket extends into the interior of the water bucket, and the inner surface of the bottom of the shielding bucket is in clearance fit with the outer surface of the bottom of the drain pipe. The screen frame is used for blocking larger particles doped in the sewage.

[0008] Preferably, it further includes a stirring component for stirring the impurities attached to the inner surface of the activated carbon filter element. The stirring component includes an indirect gear ring arranged inside the box body and at the position of the filter cartridge, and a central rod arranged in the middle of each filter cartridge. The indirect gear ring is connected to the support plate through a transfer shaft. The central rod is rotatably arranged with the filter cartridge. Two groups of scraping blades are respectively arranged on both sides of the outer surface of the central rod. First rubber scraping strips and second rubber scraping strips are respectively arranged on both sides of the outer surface of the scraping blade. An bevel gear is fixedly installed on the outer surface of the central rod and at the position of the indirect gear ring. The bevel gear is meshed with the indirect gear ring. Among them, the first rubber scraping strip and the second rubber scraping strip are respectively located on different end faces. Both the first rubber scraping strip and the second rubber scraping strip are in contact with the inner surface of the activated carbon filter element. Secondly, by using the soft contact of the first rubber scraping strip and the second rubber scraping strip, damage to the activated carbon filter element can be avoided.

[0009] Preferably, it further includes a blowing component for vertically introducing the waste gas. The blowing component includes a direct injection cylinder arranged inside the box body and above the water tank. The direct injection cylinder is connected to the water tank through an L-shaped fixing frame. An annular air duct is fixedly arranged in the middle of the outer surface of the direct injection cylinder. A plurality of direct injection pipes arranged in an annular and equally spaced manner are arranged on the inner surface of the direct injection cylinder at the position of the annular air duct. The plurality of direct injection pipes are all connected to the annular air duct. An air guiding cylinder is fixedly arranged on the outer surface of the annular air duct. A turbo fan is installed inside the air guiding cylinder. Among them, since the turbo fan is arranged at a position far from the inside of the direct injection cylinder, it can avoid the blades inside the turbo fan being covered with dust, improving the service life of the turbo fan. Two groups of O-rings for wrapping the turbo fan are respectively arranged on both sides of the inner surface of the air guiding cylinder. On the one hand, it can fix the turbo fan, and on the other hand, it can increase the sealing performance of the connection part.

[0010] Therefore, the utility model has the following beneficial effects:

[0011] (1) A circulating filtration mechanism capable of spraying the waste gas with circulating water is arranged inside the box body. And this circulating filtration mechanism can also repeatedly remove impurities from the sewage by means of centrifugal pressure, effectively filtering the sewage so that the sewage can meet the discharge standard. In addition, due to the arrangement of the ultraviolet germicidal lamp and the wire mesh frame, it can not only sterilize and disinfect the sprayed water mist, but also block and centrally recycle the larger impurities doped in the sewage;

[0012] (2) The blowing component and the stirring component are arranged. On the one hand, it can increase the introduction speed of the waste gas and improve the treatment rate of the waste gas. On the other hand, it can reduce the probability of blockage of the activated carbon filter element, improve the service life of the activated carbon filter element, and ensure the continuous progress of the filtration process. Description of the Drawings

[0013] Figure 1 This is the longitudinal sectional plan view of the present utility model.

[0014] Figure 2 This is the combined three-dimensional view of the circulating filtration mechanism and the blowing component.

[0015] Figure 3 is Figure 2 longitudinal sectional plan view.

[0016] Figure 4 This is the partial sectional view of the circulating filtration mechanism.

[0017] Figure 5 This is the partial sectional view of the stirring and dispersing component.

[0018] In the figure: 1. Box body; 2. Cover body; 3. Circulating filtration mechanism; 301. Support plate; 302. Water bucket; 303. Water tank; 304. Ultraviolet germicidal lamp; 305. Atomizing nozzle; 306. Annular water pipe; 307. Adapter pipe; 308. Water pump; 309. Water injection pipe; 310. Suction pipe; 311. Filter cartridge; 312. Water collecting plate; 313. Shielding hopper; 314. Drain pipe; 315. Screen frame; 316. Driving shaft; 317. Motor; 318. Activated carbon filter element; 4. Blowing component; 401. Direct injection tube; 402. L-shaped fixing bracket; 403. Annular air duct; 404. Direct injection pipe; 405. Turbo fan; 406. Air guiding tube; 5. Stirring and dispersing component; 501. Indirect gear ring; 502. Adapter shaft; 503. Central rod; 504. First rubber scraper; 505. Scraper blade; 506. Second rubber scraper; 507. Bevel gear. Specific embodiments

[0019] The following further describes the present utility model in conjunction with the accompanying drawings and specific embodiments.

[0020] As Figure 1 、 Figure 2A chemical waste gas spraying device of the present utility model shown in the figure includes a box body 1 and a cover body 2 detachably connected. An air inlet and a ventilation port are respectively arranged on both sides of the top of the cover body 2, and the air inlet is located at the middle position of the cover body 2. A water outlet is arranged at the bottom of the box body 1, and a valve body is installed at the bottom of the water outlet. In this device, it further includes: a circulating filtration mechanism 3 for spraying the waste gas. Among them, the circulating filtration mechanism 3 includes a water tank 303 and a water bucket 302 which are respectively distributed up and down in the middle of the box body 1, and further includes a support plate 301 fixedly arranged on the inner surface of the box body 1 for supporting the water tank 303 and the water bucket 302. The water tank 303 is connected to the support plate 301, and the water bucket 302 is rotatably arranged with the support plate 301 through a driving shaft 316. The driving shaft 316 is connected to the water bucket 302, and the bottom end of the driving shaft 316 is connected and assembled with the output end of the motor 317 below through a coupling. The water tank 303 is used to gather the sewage generated during spraying and discharge it into the water bucket 302. The water bucket 302 is used to filter the impurities mixed in the sewage. It should be noted that the water level at the bottom of the inner surface of the box body 1 is not higher than the lower end surface of the protective cover.

[0021] Specifically, the circulating filtration mechanism 3 further includes two groups of annular water pipes 306 respectively arranged on both sides of the inner surface of the water tank 303, and a transfer pipe 307 and a water pump 308 respectively installed on both sides of the same outer surface of the water tank 303. The two groups of annular water pipes 306 are both connected to the transfer pipe 307. The transfer pipe 307 is used to supply water to the two groups of annular water pipes 306 respectively. A plurality of atomizing nozzles 305 are installed on the inner surface of the annular water pipe 306 and are distributed at equal intervals in a ring shape. A water injection pipe 309 is arranged at the bottom end of the transfer pipe 307. One end of the water injection pipe 309 is connected to the transfer pipe 307, and the other end of the water injection pipe 309 is connected to the water outlet end of the water pump 308. And a water suction pipe 310 is arranged at the water inlet end of the water pump 308 for re-absorbing and reusing the water accumulated at the bottom of the inner surface of the box body 1.

[0022] Specifically, an ultraviolet germicidal lamp 304 is installed on the inner surface of the water tank 303 and between the two groups of annular water pipes 306. A water collecting plate 312 for guiding the water is arranged at the bottom of the inner surface of the water tank 303, and a diversion port is penetrated through the middle of the water collecting plate 312. A drain pipe 314 is installed at the bottom of the water tank 303 and at the position of the diversion port. A plurality of filter cylinders 311 are fixedly installed on the bottom of the outer surface of the water bucket 302 and are distributed at equal intervals in a ring shape. An activated carbon filter core 318 is arranged on the inner surface of the filter cylinder 311. A shielding bucket 313 for intercepting the sewage is installed in the middle of the top end of the water bucket 302. A wire mesh frame 315 is fixedly installed in the middle of the inner surface of the water bucket 302.

[0023] Further, since impurities in the sewage may accumulate on the inner surface of the activated carbon filter element 318 and cannot disperse, resulting in blockage, the present utility model further provides a dispersing assembly 5 for dispersing the impurities adhering to the inner surface of the activated carbon filter element 318. Specifically, the dispersing assembly 5 includes an indirect gear ring 501 disposed inside the box body 1 and at the position of the filter cylinder 311, and a central rod 503 disposed in the middle of each filter cylinder 311. The indirect gear ring 501 is connected to the support plate 301 through a transfer shaft 502. The central rod 503 is rotatably arranged with the filter cylinder 311. Two groups of scraping blades 505 are respectively disposed on both sides of the outer surface of the central rod 503. First rubber scraping strips 504 and second rubber scraping strips 506 are respectively disposed on both sides of the outer surface of the scraping blade 505 for scraping the adhering impurities. The cross-sections of the first rubber scraping strip 504 and the second rubber scraping strip 506 are both designed in a right triangle structure.

[0024] Specifically, a bevel gear 507 is fixedly installed on the outer surface of the central rod 503 and at the position of the indirect gear ring 501 for driving the central rod 503 to rotate synchronously. The bevel gear 507 is meshed with the indirect gear ring 501. Two groups of limiting rings are respectively fixedly disposed on both sides of the outer surface of the central rod 503 for stabilizing the central rod 503 during rotation. One group of limiting rings is located on the outer surface of the filter cylinder 311, and the other group of limiting rings is located on the inner surface of the filter cylinder 311. It should be noted that the tooth angle of the bevel gear 507 matches the tooth angle of the indirect gear ring 501 to ensure that the bevel gear 507 and the indirect gear ring 501 can be normally meshed and transmitted.

[0025] Further, in order to increase the introduction speed of the waste gas, the present utility model further provides a blowing assembly 4 for vertically introducing the waste gas. Specifically, the blowing assembly 4 includes a direct injection cylinder 401 disposed inside the box body 1 and above the water tank 303. The direct injection cylinder 401 corresponds to the position of the air inlet. The top opening of the direct injection cylinder 401 is communicated with the bottom opening of the air inlet. The direct injection cylinder 401 is connected to the water tank 303 through an L-shaped fixing bracket 402. An annular air duct 403 is fixedly disposed in the middle of the outer surface of the direct injection cylinder 401, and a plurality of direct injection pipes 404 arranged in an annular and equally spaced manner are disposed on the inner surface of the direct injection cylinder 401 and at the position of the annular air duct 403 for blowing the gas downward. The plurality of direct injection pipes 404 are all connected to the annular air duct 403.

[0026] Specifically, an air guiding cylinder 406 is fixedly arranged on the outer surface of the annular air duct 403, and a turbine fan 405 is installed inside the air guiding cylinder 406 for injecting external gas into the direct injection pipe 404 through the air guiding cylinder 406 and the annular air duct 403 in sequence, so as to drain the waste gas towards the water tank 303. The inner cavity of the air guiding cylinder 406, the inner cavity of the direct injection pipe 404, and the inner cavity of the direct injection pipe 404 are connected. A cylinder frame for carrying the air guiding cylinder 406 is fixedly arranged on the outer surface of the direct injection cylinder 401 and at the bottom position of the air guiding cylinder 406.

[0027] According to the above, since the utility model is provided with a circulating filtration mechanism 3 capable of spraying waste gas with circulating water inside the box body 1, and the circulating filtration mechanism 3 can also repeatedly remove impurities from sewage by means of centrifugal pressure, effectively filtering the sewage so that the sewage can meet the discharge standard. In addition, due to the arrangement of the ultraviolet germicidal lamp 304 and the wire mesh frame 315, it can not only sterilize and disinfect the sprayed water mist, but also block and centrally recycle the larger impurities doped in the sewage; Since the utility model is provided with a blowing component 4 and a dispersing component 5, on the one hand, it can increase the speed of waste gas introduction and improve the waste gas treatment rate, and on the other hand, it can reduce the probability of blockage of the activated carbon filter element 318 and improve the service life of the activated carbon filter element 318 to ensure the continuous progress of the filtration process.

[0028] The above embodiments are only a preferred solution of the utility model, and do not impose any form of limitation on the utility model. There are other variants and modifications without exceeding the technical solutions recorded in the claims.

Claims

1. A chemical waste gas spraying equipment, characterized in that: The invention comprises a box body (1) and a detachably connected cover body (2), characterized in that it also comprises: a circulation filtering mechanism (3) for spraying exhaust gas, the circulation filtering mechanism (3) comprising a water tank (303) and a water bucket (302) located in the middle of the box body (1) and respectively distributed in upper and lower positions, and also comprising a support plate (301) fixedly arranged on the inner surface of the box body (1), the water tank (303) being connected to the support plate (301), the water bucket (302) and the support plate (301) being rotatably arranged via a drive shaft (316), and the drive shaft (316) and the water bucket are rotatably arranged. (302), and the bottom end of the driving shaft (316) is connected to the output end of the motor (317) below via a coupling. The circulating filtering mechanism (3) further comprises two groups of annular water pipes (306) respectively arranged on both sides of the inner surface of the water tank (303), and a transfer pipe (307) and a water pump (308) respectively installed on both sides of the same outer surface of the water tank (303). Both groups of the annular water pipes (306) are connected to the transfer pipe (307), and the inner surface of the annular water pipe (306) is provided with a plurality of atomizing nozzles (305) distributed in an annular shape and at equal intervals.

2. A chemical waste gas spraying equipment according to claim 1, characterized in that: A water injection pipe (309) is provided at the bottom end of the transfer pipe (307), one end of the water injection pipe (309) is connected to the transfer pipe (307), and the other end of the water injection pipe (309) is connected to the water outlet of the water pump (308), and a water suction pipe (310) is provided at the water inlet of the water pump (308), and a plurality of filter cartridges (311) distributed in an annular shape and at equal intervals are fixedly mounted on the bottom of the outer surface of the water bucket (302), and an activated carbon filter element (318) is provided on the inner surface of the filter cartridge (311).

3. A chemical waste gas spraying equipment according to claim 1, characterized in that: An ultraviolet sterilization lamp (304) is installed on the inner surface of the water tank (303) and between the two groups of annular water pipes (306); a water collecting plate (312) for diverting water is provided at the bottom of the inner surface of the water tank (303), and a diversion port is provided through the middle of the water collecting plate (312); a drainage pipe (314) is installed at the bottom of the water tank (303) and at the position of the diversion port; a shielding bucket (313) for intercepting sewage is installed at the middle of the top of the water bucket (302); and a mesh frame (315) is fixedly installed at the middle of the inner surface of the water bucket (302).

4. The chemical waste gas spraying equipment according to claim 1, characterized in that: The invention also comprises a stirring assembly (5) for stirring impurities attached to the inner surface of the activated carbon filter element (318), the stirring assembly (5) comprising an indirect gear ring (501) arranged inside the housing (1) and located at the position of the filter cartridge (311), and a center rod (503) arranged in the middle of each filter cartridge (311), the indirect gear ring (501) being connected to the support plate (301) via a transfer shaft (502), the center rod (503) being rotatably arranged with the filter cartridge (311), two groups of scraping blades (505) being arranged on both sides of the outer surface of the center rod (503), a first rubber scraping strip (504) and a second rubber scraping strip (506) being arranged on both sides of the outer surface of the scraping blade (505), and a bevel gear (507) being fixedly mounted on the outer surface of the center rod (503) and located at the position of the indirect gear ring (501), the bevel gear (507) being meshed with the indirect gear ring (501).

5. The chemical waste gas spraying equipment according to claim 1, characterized in that: The invention also comprises a blowing assembly (4) for vertically introducing exhaust gas, the blowing assembly (4) comprising a direct injection tube (401) arranged inside the box body (1) and located above the water tank (303), the direct injection tube (401) being connected to the water tank (303) via an L-shaped fixing frame (402), an annular air duct (403) being fixedly arranged in the middle of the outer surface of the direct injection tube (401), and a plurality of direct injection tubes (404) being arranged on the inner surface of the direct injection tube (401) and located at the position of the annular air duct (403) and distributed in an annular shape with equal spacing, the plurality of direct injection tubes (404) being connected to the annular air duct (403), an induced draft tube (406) being fixedly arranged on the outer surface of the annular air duct (403), and a turbine fan (405) being installed inside the induced draft tube (406).

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