CN112279391A

CN112279391A - Chemical sewage treatment device

Info

Publication number: CN112279391A
Application number: CN202011097117.8A
Authority: CN
Inventors: 李志宽; 付雷; 房冬冬; 谢雪军
Original assignee: Sinochem Environmental Protection Chemicals Taicang Co Ltd
Current assignee: Sinochem Environmental Protection Chemicals Taicang Co Ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-01-29

Abstract

The invention discloses a chemical sewage treatment device which comprises a supporting mechanism, a filtering mechanism and a sewage purification mechanism, wherein the supporting mechanism comprises a base, a storage tank, a drying tank, a movable plate, screws, a heat dissipation fan and a dust screen, the storage tank is arranged on the base, the movable plate is arranged on the front side of the storage tank, the heat dissipation fan is arranged on the movable plate, the filtering mechanism is arranged above the supporting mechanism, the top of the right side of a filter box is connected with a top cover in a clamping manner, the bottom of a filtering rotary drum is connected with a motor, and a water inlet pipe penetrates through the top of the filter box and is connected with the filtering rotary drum. This chemical industry sewage treatment plant is provided with the motor, and the motor can drive impurity and sewage in the filter drum and carry out high-speed rotation to can be in rotatory in-process with the sewage in the filter drum through the inside of first filter screen jettisoninging to the rose box, and then can be with the quick filtering of impurity in the sewage, also can prevent simultaneously that impurity from blockking up first filter screen.

Description

Chemical sewage treatment device

Technical Field

The invention relates to the technical field of sewage treatment devices, in particular to a chemical sewage treatment device.

Background

Sewage treatment is for making sewage reach the water quality requirement that discharges into a certain water or reuse and carry out the process that purifies to it, current chemical sewage treatment plant is when filtering sewage, the phenomenon that impurity blockked up the filter screen appears easily, it is convenient inadequately to use, the most inconvenience of the current chemical sewage treatment plant of on the other hand is handled the peculiar smell that gives off in the sewage treatment process, thereby cause the pollution to the device surrounding environment easily, to the above-mentioned problem, need improve current equipment.

Disclosure of Invention

The invention aims to provide a chemical sewage treatment device, which solves the problems that the conventional chemical sewage treatment device in the background art is easy to cause the phenomenon that impurities block a filter screen when filtering sewage, is not convenient and fast to use, and is inconvenient to treat peculiar smell emitted in the sewage treatment process so as to pollute the environment.

In order to achieve the purpose, the invention provides the following technical scheme: a chemical sewage treatment device, which comprises a top cover, a supporting mechanism, a filtering mechanism and a sewage purifying mechanism,

the supporting mechanism comprises a base, a storage groove, a drying groove, a movable plate, screws, a heat dissipation fan and a dust screen, wherein the storage groove is formed in the base, the drying groove is symmetrically formed in the left side and the right side of the storage groove, the movable plate is arranged on the front side of the storage groove and connected with the base through the screws, the heat dissipation fan is arranged on the movable plate, and the dust screen is arranged on the inner side of the heat dissipation fan;

filtering mechanism, filtering mechanism set up in supporting mechanism's top, and filtering mechanism includes rose box, filters rotary drum, connecting rod, first filter screen, drainage tap, top cap, inlet tube, motor, sealing door and ring, there is drainage tap right side below of rose box, and the rose box setting is in the top of base, the right side top block of rose box is connected with the top cap, and the inside of rose box is provided with filters the rotary drum, the bottom and the motor of filtering the rotary drum are connected, and the motor setting is in the inside of storing groove, the inlet tube runs through the top of rose box and is connected with the filtration rotary drum, and filters and is provided with first filter screen on the rotary drum, the outside of filtering the rotary drum is connected with the ring, and the ring passes through the inner wall connection of connecting rod and rose box, and the front side bottom of filtering the rotary drum rotates simultaneously and is connected with the sealing.

Sewage purification mechanism, sewage purification mechanism sets up in filtering mechanism's left side, and filtering mechanism's top is provided with gaseous purification mechanism, and gaseous purification mechanism is connected with sewage purification mechanism and filtering mechanism respectively simultaneously, sewage purification mechanism top is provided with the liquid pump, and the liquid pump passes through the sewage suction pipe and is connected with the rose box, and the one end that the sewage suction pipe was kept away from to the liquid pump simultaneously is passed through the blow off pipe and is connected with sewage purification mechanism, sewage purification mechanism sets up in supporting mechanism's top, and is provided with clearance mechanism in the sewage purification mechanism.

Preferably, the filter drum is equidistantly distributed with first filter screens, and the filter drum is rotatably connected with the water inlet pipe.

Preferably, the motor and the filtering rotary drum form a rotating structure, and the filtering rotary drum is rotatably connected with the circular ring.

Preferably, the sewage purification mechanism comprises a sewage purification box, a second filter screen, a limiting cassette, a biological membrane filter plate, an HEPA filter screen, a limiting plate, an activated carbon adsorption layer, a drain pipe, a sundry removing port, a threaded cover and a rectangular plate, the sewage purification box is internally provided with the second filter screen, the left end and the right end of the second filter screen are fixedly connected with the inner wall of the sewage purification box, the sundry removing port is arranged on the left side of the sewage purification box and is arranged above the second filter screen, the sundry removing port is connected with the threaded cover in a threaded manner, the biological membrane filter plate is arranged below the second filter screen, the left end and the right end of the biological membrane filter plate are clamped and connected with the limiting cassette, the limiting cassette is fixedly connected with the inner wall of the sewage purification box, two groups of the limiting cassette and the biological membrane filter plate are arranged, and the limiting plate is arranged below the biological membrane filter plate, and the inner wall fixed connection of limiting plate and sewage purification case, the top block of limiting plate is connected with the HEPA filter screen simultaneously, the below of limiting plate is provided with the active carbon adsorption layer, and the interior wall connection of active carbon adsorption layer and sewage purification case, the left side below of sewage purification case is connected with the drain pipe, and the drain pipe setting is in the below of active carbon adsorption layer, and the front side of sewage purification case is provided with the rectangular plate simultaneously.

Preferably, the bottom of sewage purification case and rose box all is provided with the supporting legs symmetrically, and is provided with the screw on the supporting legs, and the supporting legs passes through the screw simultaneously and is connected with the base.

Preferably, the rectangular plate passes through the screw and is connected with sewage purification case, and the rectangular plate setting is in HEPA filter screen and active carbon adsorption layer's front side.

Preferably, the gas purification mechanism comprises a gas purification box, an exhaust fan, a connecting pipeline, a first exhaust head, a second exhaust head, a limiting part, a nano-silver filter screen, an activated carbon filter screen, a connecting piece and an exhaust pipe, the gas purification box is fixedly arranged above the filter box, the gas purification box is arranged on the left side of the top cover, the exhaust fan is arranged on the front side of the gas purification box, the top end of the exhaust fan is connected with the gas purification box, the bottom end of the exhaust fan is connected with the connecting pipeline, the connecting pipeline is provided with the first exhaust head and the second exhaust head, the first exhaust head and the second exhaust head are respectively arranged in the filter box and the sewage purification box, two groups of limiting parts are arranged inside the gas purification box, the nano-silver filter screen and the activated carbon filter screen are respectively clamped in the limiting parts, and the exhaust pipe is connected to the right lower part of the gas purification box, the nano-silver filter screen and the activated carbon filter screen are both connected with the limiting part through connecting pieces, and the nano-silver filter screen is arranged above the activated carbon filter screen.

Preferably, clearance mechanism includes pneumatic cylinder, cleaning scraper blade, spliced pole and cleaning brush, and the pneumatic cylinder setting is on sewage purification case's right side, and the left end of pneumatic cylinder runs through sewage purification case's right side wall and cleaning scraper blade fixed connection, spliced pole and cleaning brush fixed connection are passed through to cleaning scraper blade's left side, and cleaning scraper blade and cleaning brush all set up the inside at sewage purification case.

Preferably, the bottom of the cleaning scraper and the bottom of the cleaning brush are both in contact with the upper surface of the second filter screen.

Compared with the prior art, the invention has the beneficial effects that: the chemical sewage treatment device comprises a water inlet pipe, a water outlet pipe,

(1) the motor can drive impurities and sewage in the filtering rotary drum to rotate at a high speed, so that the sewage in the filtering rotary drum can be thrown into the filtering box through the first filter screen in the rotating process, the impurities in the sewage can be filtered quickly, and the first filter screen can be prevented from being blocked by the impurities;

(2) the air extractor is arranged, the air extractor can extract the peculiar smell in the filter box and the sewage purification box into the gas purification box through the first air extraction head and the second air extraction head, and meanwhile, the nano-silver filter screen and the activated carbon filter screen are arranged, and the nano-silver filter screen and the activated carbon filter screen can adsorb and purify the peculiar smell in the gas purification box, so that the peculiar smell is prevented from polluting the environment, and the environmental protection of the device is improved;

(3) the sewage purification device is provided with a sewage purification mechanism, a second filter screen in the sewage purification mechanism can carry out secondary filtration on sewage, so that impurities in the sewage can be prevented from blocking a subsequent purification device conveniently, and meanwhile, a material film filter plate, an HEPA filter screen and an active carbon adsorption layer in the sewage purification mechanism can adsorb and purify the sewage in sequence, so that the sewage purification quality of the device can be improved conveniently;

(4) the hydraulic cylinder is arranged and can drive the cleaning scraper and the cleaning brush to clean the upper surface of the second filter screen, so that the second filter screen is prevented from being blocked by impurities, and meanwhile, the impurity removing port is formed, so that a worker can clean the impurities above the second filter screen through the impurity removing port, and the normal use of the device is ensured;

(5) be provided with the heat dissipation fan, the heat dissipation fan can give off the heat in the storing inslot with the motor during operation and discharge fast to be convenient for prevent that the motor from taking place to damage because of the high temperature of self, be provided with the drying bath simultaneously, drier in the drying bath can absorb it to the messenger in the storing inslot, thereby be convenient for guarantee the aridity of storing inslot portion, and then be convenient for prevent that the motor from taking place the short circuit phenomenon because of the moisture of storing inslot portion is overweight.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the connection relationship between the nano-silver filter screen and the activated carbon filter screen in the purification box according to the present invention;

FIG. 4 is a schematic top sectional view of the connection between the ring and the filter bowl according to the present invention;

FIG. 5 is a schematic front view of the filter drum of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a supporting mechanism, 101, a base, 102, a storage tank, 103, a drying tank, 104, a movable plate, 105, screws, 106, a heat dissipation fan, 107, a dust screen, 2, a filtering mechanism, 201, a filtering box, 202, a filtering drum, 203, a connecting rod, 204, a first filtering screen, 205, a drainage faucet, 206, a top cover, 207, a water inlet pipe, 208, a motor, 209, a sealing door, 2010, a circular ring, 3, a sewage purifying mechanism, 301, a purifying box, 302, a second filtering screen, 303, a limiting clamping seat, 304, a biological membrane filtering plate, 305, a HEPA filtering screen, 306, a limiting plate, 307, an active carbon adsorption layer, 308, a drainage pipe, 309, a impurity removing port, 3010, a threaded cover, 3011, a rectangular plate, 4, a gas purifying mechanism, 401, a purifying box, 402, an exhaust fan, 403, a connecting pipeline, 404, a first exhaust head, 405, a second exhaust head, a limiting piece, 406, a filtering screen 407, and nano silver, 408. the cleaning device comprises an active carbon filter screen, 409, a connecting piece, 4010, an exhaust pipe, 5, a cleaning mechanism, 501, a hydraulic cylinder, 502, a cleaning scraper, 503, a connecting column, 504, a cleaning brush, 6, supporting legs, 7, screws, 8, a liquid pump, 9, a sewage pumping pipe, 10 and a sewage discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a chemical sewage treatment device, as shown in FIG. 1, FIG. 2, FIG. 4, FIG. 5 and FIG. 6, a supporting mechanism 1 comprises a base 101, a storage tank 102, a drying tank 103, a movable plate 104, screws 105, a heat dissipation fan 106 and a dust screen 107, wherein the storage tank 102 is disposed on the base 101, the drying tank 103 is symmetrically disposed on the left and right sides of the storage tank 102, the movable plate 104 is disposed on the front side of the storage tank 102, the movable plate 104 is connected with the base 101 through the screws 105, the heat dissipation fan 106 is disposed on the movable plate 104, the dust screen 107 is disposed on the inner side of the heat dissipation fan 106, the dust screen 107 is convenient for preventing external dust from polluting a motor 208, the filtering mechanism 2 is disposed above the supporting mechanism 1, and the filtering mechanism 2 comprises a filtering box 201, a filtering drum 202, a connecting rod 203, a first filtering net 204, a drainage faucet 205, a top cover 206, a water inlet pipe 207, a, a drainage faucet 205 is arranged at the lower right of the filter box 201, the filter box 201 is arranged above the base 101, a top cover 206 is connected to the top of the right side of the filter box 201 in a clamping manner, a worker can open the top cover 206 to spray and clean the interior of the filter box 201, meanwhile, the drainage faucet 205 can be opened to discharge sewage, a filter drum 202 is arranged inside the filter box 201, the bottom of the filter drum 202 is connected with a motor 208, the motor 208 and the filter drum 202 form a rotating structure, the filter drum 202 is rotatably connected with a ring 2010 so as to be convenient for reinforcing the connection between the filter drum 202 and the filter box 201 through the ring 2010 and a connecting rod 203, the motor 208 is arranged inside the storage tank 102, a water inlet pipe 207 penetrates through the top of the filter box 201 to be connected with the filter drum 202, a first filter screen 204 is arranged on the filter drum 202, first filter screens 204 are distributed on the filter drum 202 at equal intervals, and the filter drum 202 is rotatably connected, the plurality of first filter screens 204 are convenient for improving the filtering efficiency of the device, the outer side of the filtering rotary drum 202 is connected with a circular ring 2010, the circular ring 2010 is connected with the inner wall of the filtering box 201 through a connecting rod 203, the bottom of the front side of the filtering rotary drum 202 is rotatably connected with a sealing door 209, the sealing door 209 is convenient for workers to clean impurities in the filtering rotary drum 202, the sewage purification mechanism 3 is arranged at the left side of the filtering mechanism 2, the sewage purification mechanism 3 comprises a sewage purification box 301, a second filter screen 302, a limiting clamping seat 303, a biomembrane filter plate 304, a HEPA filter screen 305, a limiting plate 306, an activated carbon adsorption layer 307, a drain pipe 308, a impurity removing opening 309, a threaded cover 3010 and a rectangular plate 3011, the second filter screen 302 is arranged in the sewage purification box 301, supporting legs 6 are symmetrically arranged at the bottoms of the sewage purification box 301 and the filtering box 201, the supporting legs 6 are provided with screws 7, and, the supporting leg 6 plays a role of supporting the sewage purification box 301 and the filtering box 201, the left and right ends of the second filtering net 302 are fixedly connected with the inner wall of the sewage purification box 301, the left side of the sewage purification box 301 is provided with the impurity removing port 309, the impurity removing port 309 is arranged above the second filtering net 302, the impurity removing port 309 is in threaded connection with the threaded cover 3010, the lower part of the second filtering net 302 is provided with the biological membrane filtering plate 304, the left and right ends of the biological membrane filtering plate 304 are in clamping connection with the limiting clamping seat 303, the limiting clamping seat 303 is fixedly connected with the inner wall of the sewage purification box 301, the limiting clamping seat 303 and the biological membrane filtering plate 304 are provided with two groups, the lower part of the biological membrane filtering plate 304 is provided with the limiting plate 306, the limiting plate 306 is fixedly connected with the inner wall of the sewage purification box 301, the upper part of the limiting plate 306 is in clamping connection with the HEPA filtering net 305, and activated carbon adsorption layer 307 and sewage purification case 301's inner wall connection, sewage purification case 301's left side below is connected with drain pipe 308, and drain pipe 308 sets up the below at activated carbon adsorption layer 307, sewage purification case 301's front side is provided with rectangular plate 3011 simultaneously, sewage purification mechanism 3 is convenient for purify sewage, rectangular plate 3011 passes through screw 105 and is connected with sewage purification case 301, and rectangular plate 3011 sets up the front side at HEPA filter screen 305 and activated carbon adsorption layer 307, staff's accessible is dismantled screw 105 and rectangular plate 3011 and is cleared up HEPA filter screen 305 and activated carbon adsorption layer 307.

As shown in fig. 1, 2 and 3, a gas purification mechanism 4 is disposed above the filtering mechanism 2, the gas purification mechanism 4 includes a gas purification box 401, an exhaust fan 402, a connecting pipe 403, a first exhaust head 404, a second exhaust head 405, a limiting member 406, a nano silver filter 407, an activated carbon filter 408, a connecting member 409 and an exhaust pipe 4010, the gas purification box 401 is fixedly disposed above the filtering box 201, the gas purification box 401 is disposed on the left side of the top cover 206, the exhaust fan 402 is disposed on the front side of the gas purification box 401, the top end of the exhaust fan 402 is connected to the gas purification box 401, the bottom end of the exhaust fan 402 is connected to the connecting pipe 403, the connecting pipe is provided with the first exhaust head 404 and the second exhaust head 405, the first exhaust head 404 and the second exhaust head 405 are disposed in the filtering box 201 and the sewage purification box 301, the two sets of limiting members 406 are disposed inside the gas purification box 401, a nano silver filter screen 407 and an active carbon filter screen 408 are respectively clamped in the limiting piece 406, an exhaust pipe 4010 is connected to the lower right side of the gas purification box 401, the nano silver filter screen 407 and the active carbon filter screen 408 are both connected with the limiting piece 406 through a connecting piece 409, the nano silver filter screen 407 is arranged above the active carbon filter screen 408, the gas purification mechanism 4 is convenient for treating peculiar smell emitted in the sewage treatment process, so as to prevent the peculiar smell from polluting the environment, meanwhile, the gas purification mechanism 4 is respectively connected with the sewage purification mechanism 3 and the filter mechanism 2, a liquid pump 8 is arranged at the top of the sewage purification mechanism 3, the liquid pump 8 is connected with the filter box 201 through a sewage pumping pipe 9, meanwhile, one end of the liquid pump 8, which is far away from the sewage pumping pipe 9, is connected with the sewage purification mechanism 3 through a sewage discharge pipe 10, the sewage purification mechanism 3 is arranged above the supporting mechanism 1, cleaning mechanism 5 includes pneumatic cylinder 501, cleaning blade 502, spliced pole 503 and cleaning brush 504, and pneumatic cylinder 501 sets up the right side at sewage purification box 301, and the right side wall and the cleaning blade 502 fixed connection that sewage purification box 301 is run through to the left end of pneumatic cylinder 501, connecting pole 503 and cleaning brush 504 fixed connection are passed through to cleaning blade 502's left side, and cleaning blade 502 and cleaning brush 504 all set up the inside at sewage purification box 301, cleaning mechanism 5 is convenient for prevent that impurity from blockking up second filter screen 302, the bottom of cleaning blade 502 and cleaning brush 504 all with the upper surface contact of second filter screen 302, cleaning blade 502 and cleaning brush 504 can be swept the impurity of depending on second filter screen 302, thereby be convenient for guarantee the normal use of second filter screen 302.

The working principle is as follows: when the chemical sewage treatment device is used, firstly, the power supply starting device is connected, then, sewage is discharged into the filtering rotary drum 202 through the water inlet pipe 207, meanwhile, the motor 208 drives the filtering rotary drum 202 to rotate, so that the sewage in the filtering rotary drum 202 can be thrown into the filtering box 201 through the first filtering net 204 in the rotating process, impurities in the sewage can be separated in the filtering rotary drum 202 through the first filtering net 204, the heat radiation fan 106 is convenient to accelerate the heat radiation speed of the motor 208, then, the liquid pump 8 extracts the sewage in the filtering box 201 through the sewage suction pipe 9 and discharges the sewage into the sewage purification box 301 through the sewage discharge pipe 10, the second filtering net 302 can re-filter the sewage entering the sewage purification box 301, so that the impurities with small volume in the sewage can be filtered, meanwhile, the hydraulic cylinder 501 drives the cleaning scraper 502 and the cleaning brush 504 to scrape the upper surface of the second filtering net 302 left and right for cleaning, and the cleaned impurities are pushed to the impurity removing port 309, the worker can open the screw cover 3010 to take out the impurities on the second filter screen 302 through the impurity removing port 309, the sewage filtered by the second filter screen 302 is sequentially adsorbed and purified by the biological membrane filter plate 304, the HEPA filter screen 305 and the activated carbon adsorption layer 307 and then discharged from the drain pipe 308, the biological membrane filter plate 304 can purify and sterilize the sewage, and meanwhile, the HEPA filter screen 305 and the activated carbon adsorption layer 307 can adsorb peculiar smell in the sewage, so that the whole work is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a chemical industry sewage treatment plant, includes supporting mechanism (1), filtering mechanism (2) and sewage purification mechanism (3), its characterized in that:

the supporting mechanism (1) comprises a base (101), a storage groove (102), a drying groove (103), a movable plate (104), screws (105), a heat dissipation fan (106) and a dust screen (107), wherein the storage groove (102) is formed in the base (101), the drying groove (103) is symmetrically formed in the left side and the right side of the storage groove (102), the movable plate (104) is arranged on the front side of the storage groove (102), the movable plate (104) is connected with the base (101) through the screws (105), the heat dissipation fan (106) is arranged on the movable plate (104), and the dust screen (107) is arranged on the inner side of the heat dissipation fan (106);

the filter mechanism (2) is arranged above the supporting mechanism (1), the filter mechanism (2) comprises a filter box (201), a filter rotary drum (202), a connecting rod (203), a first filter screen (204), a drainage faucet (205), a top cover (206), a water inlet pipe (207), a motor (208), a sealing door (209) and a circular ring (2010), the drainage faucet (205) is arranged at the lower right of the filter box (201), the filter box (201) is arranged above the base (101), the top cover (206) is connected with the top cover (201) in a clamping manner at the top of the right side of the filter box (201), the filter rotary drum (202) is arranged inside the filter box (201), the bottom of the filter rotary drum (202) is connected with the motor (208), the motor (208) is arranged inside the storage tank (102), and the water inlet pipe (207) penetrates through the top of the filter box (201) and is connected with the filter rotary drum (202), and be provided with first filter screen (204) on filtering rotary drum (202), the outside of filtering rotary drum (202) is connected with ring (2010), and ring (2010) pass through connecting rod (203) and be connected with the inner wall of rose box (201), and the front side bottom of filtering rotary drum (202) rotates simultaneously and is connected with sealing door (209).

Sewage purification mechanism (3), sewage purification mechanism (3) set up in the left side of filter mechanism (2), and the top of filter mechanism (2) is provided with gaseous purification mechanism (4), and gaseous purification mechanism (4) are connected with sewage purification mechanism (3) and filter mechanism (2) respectively simultaneously, sewage purification mechanism (3) top is provided with liquid pump (8), and liquid pump (8) are connected with rose box (201) through sewage suction pipe (9), and the one end that sewage suction pipe (9) were kept away from in liquid pump (8) simultaneously is passed through blow off pipe (10) and is connected with sewage purification mechanism (3), sewage purification mechanism (3) set up in the top of supporting mechanism (1), and be provided with clearance mechanism (5) in sewage purification mechanism (3).

2. The chemical wastewater treatment device according to claim 1, wherein: first filter screens (204) are distributed on the filter rotary drum (202) at equal intervals, and the filter rotary drum (202) is rotatably connected with the water inlet pipe (207).

3. The chemical wastewater treatment device according to claim 1, wherein: the motor (208) and the filtering rotary drum (202) form a rotating structure, and the filtering rotary drum (202) is rotatably connected with the circular ring (2010).

4. The chemical wastewater treatment device according to claim 1, wherein: the sewage purification mechanism (3) comprises a sewage purification box (301), a second filter screen (302), a limiting clamping seat (303), a biomembrane filter plate (304), a HEPA filter screen (305), a limiting plate (306), an activated carbon adsorption layer (307), a drain pipe (308), a sundry removing port (309), a threaded cover (3010) and a rectangular plate (3011), wherein the second filter screen (302) is arranged in the sewage purification box (301), the left end and the right end of the second filter screen (302) are fixedly connected with the inner wall of the sewage purification box (301), the sundry removing port (309) is arranged on the left side of the sewage purification box (301), the sundry removing port (309) is arranged above the second filter screen (302), the sundry removing port (309) is in threaded connection with the threaded cover (3010), the biomembrane filter plate (304) is arranged below the second filter screen (302), and the left end and the right end of the biomembrane filter plate (304) are both clamped with the limiting clamping seat (303), the utility model discloses a sewage purification case, including the inner wall fixed connection of spacing cassette (303) and sewage purification case (301), and spacing cassette (303) and biofilm filter (304) are provided with two sets ofly, the below of biofilm filter (304) is provided with limiting plate (306), and the inner wall fixed connection of limiting plate (306) and sewage purification case (301), and the top block of limiting plate (306) is connected with HEPA filter screen (305) simultaneously, the below of limiting plate (306) is provided with activated carbon adsorption layer (307), and the inner wall connection of activated carbon adsorption layer (307) and sewage purification case (301), the left side below of sewage purification case (301) is connected with drain pipe (308), and drain pipe (308) set up in the below of activated carbon adsorption layer (307), and the front side of sewage purification case (301) is provided with rectangular plate (3011) simultaneously.

5. The chemical wastewater treatment device according to claim 4, wherein: the sewage purification box (301) and the bottom of the filter box (201) are symmetrically provided with supporting legs (6), the supporting legs (6) are provided with screws (7), and the supporting legs (6) are connected with the base (101) through the screws (7).

6. The chemical wastewater treatment device according to claim 4, wherein: the rectangular plate (3011) is connected with the sewage purification box (301) through screws (105), and the rectangular plate (3011) is arranged on the front sides of the HEPA filter screen (305) and the active carbon adsorption layer (307).

7. The chemical wastewater treatment device according to claim 1, wherein: the gas purification mechanism (4) comprises a gas purification box (401), an exhaust fan (402), a connecting pipeline (403), a first exhaust head (404), a second exhaust head (405), a limiting piece (406), a nano-silver filter screen (407), an activated carbon filter screen (408), a connecting piece (409) and an exhaust pipe (4010), wherein the gas purification box (401) is fixedly arranged above the filter box (201), the gas purification box (401) is arranged on the left side of the top cover (206), the front side of the gas purification box (401) is provided with the exhaust fan (402), the top end of the exhaust fan (402) is connected with the gas purification box (401), the bottom end of the exhaust fan (402) is connected with the connecting pipeline (403), the connecting pipeline (403) is provided with the first exhaust head (404) and the second exhaust head (405), and the first exhaust head (404) and the second exhaust head (405) are respectively arranged in the filter box (201) and the sewage purification box (301), gas purification case (401) inside is provided with two sets of locating parts (406), and has blocked nanometer silver filter screen (407) and active carbon filter screen (408) respectively in locating part (406), and the right side below of gas purification case (401) is connected with blast pipe (4010) simultaneously, nanometer silver filter screen (407) and active carbon filter screen (408) are all connected with locating part (406) through connecting piece (409), and nanometer silver filter screen (407) set up the top at active carbon filter screen (408).

8. The chemical wastewater treatment device according to claim 1, wherein: clearance mechanism (5) are including pneumatic cylinder (501), cleaning blade (502), spliced pole (503) and cleaning brush (504), and pneumatic cylinder (501) set up the right side at sewage purification case (301), and the left end of pneumatic cylinder (501) runs through the right side wall and cleaning blade (502) fixed connection of sewage purification case (301), spliced pole (503) and cleaning brush (504) fixed connection are passed through to the left side of cleaning blade (502), and cleaning blade (502) and cleaning brush (504) all set up the inside at sewage purification case (301).

9. The chemical wastewater treatment device according to claim 1, wherein: the bottoms of the cleaning scraper (502) and the cleaning brush (504) are both in contact with the upper surface of the second filter screen (302).