CN114538677A

CN114538677A - High-grade catalytic oxidation device for treating process of Maotai-flavor liquor brewing wastewater

Info

Publication number: CN114538677A
Application number: CN202210204468.7A
Authority: CN
Inventors: 骆其金; 曾宪灿; 吴泽璇; 黎京士; 李思阳; 刘立; 赖后伟; 陈元彩
Original assignee: GUANGZHOU HUAKE ENVIRONMENTAL PROTECTION ENGINEERING CO LTD; South China University of Technology SCUT
Current assignee: GUANGZHOU HUAKE ENVIRONMENTAL PROTECTION ENGINEERING CO LTD; South China University of Technology SCUT
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-05-27
Anticipated expiration: 2042-03-03
Also published as: CN114538677B

Abstract

The invention discloses an advanced catalytic oxidation device for a treatment process of Maotai-flavor liquor brewing wastewater, which comprises a device shell, a wastewater filtering component, an electrochemical oxidation component, a catalytic oxidation component and a controller, wherein the device shell is used for filtering wastewater; the wastewater filtering component is arranged at the top in the device shell, and is used for filtering wastewater; the electrochemical oxidation assembly comprises a direct-current power supply, a mounting disc, an electrode bar and a driving motor, the mounting disc is arranged in the device shell, the electrode bar is arranged on the mounting disc and connected with the direct-current power supply, and the driving motor provides power for the mounting disc; the catalytic oxidation component comprises a feeding disc, a catalyst storage tank and an ozone generator; the feeding disc is arranged in the device shell, a feeding head is arranged on the feeding disc, the catalyst storage box is connected with the top of the feeding disc, and the ozone generator is communicated with the bottom of the feeding disc; the controller is electrically connected with each electric device; the invention has reasonable structural design and obvious treatment effect on the brewing wastewater, and is suitable for popularization and use.

Description

High-grade catalytic oxidation device for treating process of Maotai-flavor liquor brewing wastewater

Technical Field

The invention relates to the technical field of brewing wastewater treatment, in particular to an advanced catalytic oxidation device for a treatment process of Maotai-flavor liquor brewing wastewater.

Background

Maotai-flavor liquor factories make outstanding contributions to the development of social economy and the improvement of the living standard of people, but with the development of liquor industry, the quantity of the liquor factories is gradually increased, the scale is gradually enlarged, the discharge amount of waste water is continuously increased, and if the liquor factories are not strictly controlled, the river ecosystem is seriously threatened.

The high-concentration cellar bottom wastewater in the production process of the Maotai-flavor liquor is acidic, the CODcr, ammonia nitrogen and total nitrogen content are high, the chroma of the wastewater is extremely high, the appearance is in a soy sauce shape, the high-concentration grain fermentation fragrance is provided, according to the production condition and water sample analysis, the biodegradability of the wastewater is good, pollutants in water mainly comprise protein, amino acid, humic acid, formic acid, acetic acid, esters and the like, the treatment of the brewing wastewater is mainly carried out by a biochemical method and is assisted by a physical method and a chemical method, the treatment process comprises pretreatment, secondary treatment and advanced treatment, wherein the advanced treatment comprises an adsorption method, a membrane filtration method, an advanced oxidation method, a coagulating sedimentation method and the like; the two-stage normal-temperature anaerobic-aerobic-immobilized microorganism combined process is adopted to perform pilot-scale treatment on the brewing wastewater, and all the processes have good removal effects on organic matters and ammonia nitrogen, but the equipment used in the combined processes has the problems of large occupied area, difficult operation and management, unstable effluent and the like.

Disclosure of Invention

Aiming at the technical problems, the invention provides an advanced catalytic oxidation device for a treatment process of Maotai-flavor liquor brewing wastewater.

The technical scheme of the invention is as follows: an advanced catalytic oxidation device for a treatment process of Maotai-flavor liquor brewing wastewater comprises a device shell, a wastewater filtering component, an electrochemical oxidation component, a catalytic oxidation component and a controller; an end cover is movably clamped at the top of the device shell, a water outlet pipe is arranged at the lower end of the side wall, and a water inlet pipe is arranged on the end cover; the bottom of the device shell is provided with a base;

the wastewater filtering component comprises a guide sleeve and a filtering cylinder, the guide sleeve is arranged at the top in the device shell and corresponds to the upper position and the lower position of the end cover, a plurality of sliding grooves are vertically arranged at the upper position of the side wall of the guide sleeve, a first water outlet groove is arranged at the lower position of the side wall of the guide sleeve, the filtering cylinder is movably sleeved in the guide sleeve, sliding seats with the positions and the number corresponding to those of the sliding grooves are arranged at the upper position of the outer wall of the filtering cylinder, a reset spring is arranged at the joint of the sliding seats and the sliding grooves, and a second water outlet groove is arranged at the lower position of the outer wall of the filtering cylinder;

the electrochemical oxidation assembly comprises a direct-current power supply, an installation disc, two electrode rods and a driving motor, wherein the direct-current power supply is arranged on a device shell, the installation disc is rotationally clamped at the bottom in the device shell through a connecting sleeve, the connecting sleeve penetrates through the base and is provided with a connecting gear ring, and the two electrode rods are symmetrically arranged on the upper end surface of the installation disc and are respectively and electrically connected with the direct-current power supply; the driving motor is arranged in the base, a driving gear is arranged on an output shaft of the driving motor, and the driving gear is meshed with the connecting gear ring;

the catalytic oxidation component comprises a feeding disc, a catalyst storage tank and an ozone generator; the feeding disc is arranged at the lower position inside the shell of the device and positioned outside the mounting disc, the feeding disc is hollow, a plurality of feeding heads are uniformly distributed on the inner wall of the feeding disc, the catalyst storage tank is arranged at one side of the base, a hydrogen peroxide catalyst is added in the catalyst storage tank, the catalyst storage tank is connected with the top of the feeding disc through a guide pipe, a booster pump is arranged at the joint, the ozone generator is arranged at the other side of the base, and the ozone generator is communicated with the bottom of the feeding disc through the guide pipe;

the controller is respectively electrically connected with the direct current power supply, the driving motor, the ozone generator and the booster pump.

Furthermore, the bottom sliding clamping in the filter cartridge has a push plate, the bottom end of the filter cartridge is provided with a push motor, a push lead screw is arranged on an output shaft of the push motor, the push lead screw penetrates through the filter cartridge and is in threaded connection with the push plate, the push motor is electrically connected with the controller, and through the arrangement of the push plate and the push motor, precipitates such as vinasse deposited in the filter cartridge are convenient to clean in time, and the filtering effect of the filter cartridge is improved.

Furthermore, the central position of the top of the mounting disc is provided with a vertical rod, the feeding disc is connected with the inner wall of the device shell in a rotating mode, the upper end and the lower end of the feeding disc are respectively provided with a movable plate in a rotating mode, the catalyst storage tank and the ozone generator are respectively connected with the two movable plates through a guide pipe, the vertical rod is connected with the feeding disc through a pull rod, when the mounting disc rotates, the feeding disc can be driven to rotate, the mixing effect of ozone, hydrogen peroxide and wastewater is improved, and the catalytic oxidation effect of the wastewater is improved.

Further, montant circumference evenly distributed has the several even liquid board, all is provided with the several through-hole on each even liquid board, through setting up even liquid board, not only can improve the mixed effect of waste water and hydrogen peroxide solution, improves the catalytic effect of hydrogen peroxide solution to waste water, can avoid the bottom to appear the deposit in the device shell moreover.

Furthermore, a plurality of material baffle plates are uniformly distributed in the feeding disc, and the material baffle plates are arranged, so that hydrogen peroxide and ozone can be uniformly distributed in the feeding disc and then sprayed out from each feeding head.

Furthermore, a movable wheel is rotationally clamped on the lower end face of the mounting plate, and a limiting groove is formed in the position, corresponding to the position of the movable wheel, of the bottom in the device shell; through setting up loose wheel and spacing groove, be favorable to improving smoothness nature and stability when the mounting disc is rotatory.

Furthermore, the mounting disc is hollow, an adjusting screw is rotatably clamped in the mounting disc, a first bevel gear is sleeved on the adjusting screw, two adjusting clamping grooves are formed in the upper end of the mounting disc and correspond to the adjusting screw in position, and two electrode rods are respectively clamped in the two adjusting clamping grooves in a sliding mode and are respectively in threaded connection with the adjusting screw; the bottom of the mounting disc is provided with a micro motor, an output shaft of the micro motor penetrates through the mounting disc and is provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, and the micro motor is electrically connected with the controller; through setting up adjusting screw and micro motor, be favorable to adjusting the interval between two electrode bars to improve the decomposition efficiency that the electric current that the electrode bar produced corresponds ozone, thereby improve the oxidation digestion efficiency of waste water.

Furthermore, a three-way valve is arranged on the water outlet pipe and electrically connected with the controller, and one port of the three-way valve is connected with the water inlet pipe through a return pipe; through setting up three-way valve and back flow, be favorable to improving waste water treatment's thoroughness to the security that the waste water discharged has been improved.

Furthermore, a water quality monitor is arranged on the base and electrically connected with the controller, a monitoring probe of the water quality monitor is positioned inside the water outlet pipe, and the water outlet pipe can be monitored in real time by arranging the water quality monitor, so that the problem of secondary pollution caused by incomplete wastewater treatment to the water environment is avoided.

Furthermore, the connecting sleeve is provided with the sealing washer with the base junction, through setting up the sealing washer, can avoid waste water to get into and cause the damage to driving motor behind the base is inside, improves the operating stability and the reliability of device.

The using method of the invention comprises the following steps:

s1, respectively connecting the pushing motor, the driving motor, the micro motor, the ozone generator, the booster pump and the water quality monitor with an external power supply;

s2, introducing the wastewater into the device shell through a water inlet pipe, and filtering the wastewater through a filter cartridge to enter the lower end of the device shell; with the increase of the sediment in the filter cartridge, the sliding seat on the filter cartridge moves downwards along the sliding groove, and finally the second water outlet groove and the first water outlet groove are mutually staggered; at the moment, stopping water inflow and opening the end cover, controlling the starting of a pushing motor through a controller, and pushing a lead screw to enable a pushing plate to move upwards along a filter cartridge so as to push sediments out of the shell of the device for cleaning;

s3, controlling a driving motor, a micro motor, an ozone generator and a booster pump to start through a controller, driving a mounting disc to rotate by using the driving motor, simultaneously enabling an electrode bar and a feeding disc to rotate along with the mounting disc, and spraying ozone generated by the ozone generator into wastewater through a feeding head on the feeding disc; hydrogen peroxide stored in the catalyst storage tank is mixed with the wastewater through the feed head under the action of the booster pump; the direct current power supply supplies power to the electrode bar, the current generated by the electrode bar is utilized to decompose ozone to generate hydroxyl radicals, pollutants in the wastewater are converted into inorganic substances through the hydroxyl radicals, and the treated wastewater is discharged out of the shell of the device through the water outlet pipe;

and S4, controlling the water quality monitor to be started by the controller, detecting the water quality of the outlet water of the water pipe by the monitoring probe of the water quality monitor, and when the water quality of the outlet water does not reach the standard, enabling the wastewater to sequentially pass through the water outlet pipe, the three-way valve and the return pipe and enter the device shell again for treatment until the water quality of the outlet water reaches the standard and is discharged.

Compared with the prior art, the beneficial effects of the invention are embodied in the following points:

firstly, the structural design is reasonable, organic matters in the Maotai-flavor liquor brewing wastewater are converted into inorganic matters under the action of hydroxyl radicals through electrochemical combination with ozone oxidation, and a new idea is provided for Maotai-flavor liquor brewing enterprises;

secondly, the wastewater is filtered before being subjected to catalytic oxidation, so that large-particle impurities in the wastewater are effectively filtered, the risk of blocking the device by pollutants is reduced, and the efficiency of catalytic oxidation of the wastewater is improved;

thirdly, when the catalytic oxidation is carried out on the wastewater, the electrode bar and the feeding disc are in a motion state, so that the mixing uniformity of the wastewater, hydrogen peroxide and ozone is improved, the electrochemical oxidation efficiency is promoted, and the working efficiency of the catalytic oxidation reactor is improved;

fourthly, the wastewater can be circularly treated until the wastewater reaches the standard and is discharged through the water quality monitor and the return pipe, so that the secondary pollution of the treated wastewater to the water environment is avoided, and the safety of wastewater discharge is improved.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic view of the connection of the filter cartridge of the present invention to a guide housing;

FIG. 4 is a schematic view of the attachment of the push plate of the present invention to a cartridge filter;

FIG. 5 is a schematic view of the connection of the electrode rod of the present invention to an adjustment screw;

FIG. 6 is a view of the vertical rods and electrode rods of the present invention in position on a mounting plate;

FIG. 7 is a schematic view of the attachment of the feed tray of the present invention to the housing of the apparatus;

wherein, 1-device shell, 10-end cover, 11-water outlet pipe, 12-water inlet pipe, 13-base, 14-three-way valve, 2-wastewater filtering component, 20-guide sleeve, 200-sliding groove, 201-first water outlet groove, 21-filter cylinder, 210-sliding seat, 211-reset spring, 212-second water outlet groove, 22-pushing plate, 23-pushing motor, 230-pushing lead screw, 3-electrochemical oxidation component, 30-mounting plate, 300-connecting sleeve, 301-connecting gear ring, 302-vertical rod, 303-pull rod, 304-liquid homogenizing plate, 31-electrode bar, 32-driving motor, 320-driving gear, 33-movable wheel, 34-adjusting lead screw, 340-first bevel gear, 2-wastewater filtering component, 341-adjusting clamping groove, 35-micro motor, 350-second bevel gear, 4-catalytic oxidation component, 40-feeding disc, 400-feeding head, 401-moving plate, 402-baffle plate, 41-catalyst storage tank, 42-ozone generator, 43-booster pump and 5-water quality monitor.

Detailed Description

Example 1

As shown in fig. 1 and 2, the advanced catalytic oxidation device for the treatment process of the waste water from Maotai-flavor liquor brewing comprises a device shell 1, a waste water filtering component 2, an electrochemical oxidation component 3, a catalytic oxidation component 4 and a controller; an end cover 10 is movably clamped at the top of the device shell 1, a water outlet pipe 11 is arranged at the lower end of the side wall, and a water inlet pipe 12 is arranged on the end cover 10; the bottom of the device shell 1 is provided with a base 13;

as shown in fig. 1, 3 and 4, the wastewater filtering assembly 2 includes a guide sleeve 20 and a filter cartridge 21, the guide sleeve 20 is disposed at the top of the device housing 1 and corresponds to the upper and lower positions of the

end cap

10, 4 sliding grooves 200 are vertically disposed at the upper position of the side wall of the guide sleeve 20, a first water outlet groove 201 is disposed at the lower position, the filter cartridge 21 is movably sleeved inside the guide sleeve 20, sliding seats 210 corresponding to the sliding grooves 200 in position and number are disposed at the upper position of the outer wall of the filter cartridge 21, a return spring 211 is disposed at the connection position of the sliding seats 210 and the sliding grooves 200, and a second water outlet groove 212 is disposed at the lower position of the outer wall of the filter cartridge 21;

as shown in fig. 1 and 5, the electrochemical oxidation assembly 3 includes a dc power supply, a mounting disc 30, two electrode rods 31 and a driving motor 32, the dc power supply is disposed on the device housing 1, the mounting disc 30 is rotatably clamped at the bottom of the device housing 1 through a connecting sleeve 300, the connecting sleeve 300 penetrates through the base 13 and is provided with a connecting ring gear 301, two electrode rods 31 are disposed, and the two electrode rods 31 are symmetrically disposed on the upper end surface of the mounting disc 30 and are respectively electrically connected to the dc power supply; the driving motor 32 is arranged inside the base 13, a driving gear 320 is arranged on an output shaft of the driving motor 32, and the driving gear 320 is meshed with the connecting gear ring 301;

as shown in fig. 1, 2 and 7, the catalytic oxidation assembly 4 comprises a feed tray 40, a catalyst storage tank 41 and an ozone generator 42; the feeding disc 40 is arranged at the lower position in the device shell 1 and is positioned at the outer side of the mounting disc 30, the feeding disc 40 is hollow, a plurality of feeding heads 400 are uniformly distributed on the inner wall of the feeding disc 40, the catalyst storage tank 41 is arranged at one side of the base 13, a hydrogen peroxide catalyst is added in the catalyst storage tank 41, the catalyst storage tank 41 is connected with the top of the feeding disc 40 through a guide pipe, a booster pump 43 is arranged at the connection position, the ozone generator 42 is arranged at the other side of the base 13, and the ozone generator 42 is communicated with the bottom of the feeding disc 40 through a guide pipe;

the controller is respectively electrically connected with the direct current power supply, the driving motor 32, the ozone generator 42 and the booster pump 43; the controller, the dc power supply, the driving motor 32, the ozone generator 42 and the booster pump 43 are all commercially available products.

Example 2

As shown in fig. 1 and 2, the advanced catalytic oxidation device for the treatment process of the waste water from Maotai-flavor liquor brewing comprises a device shell 1, a waste water filtering component 2, an electrochemical oxidation component 3, a catalytic oxidation component 4 and a controller; an end cover 10 is movably clamped at the top of the device shell 1, a water outlet pipe 11 is arranged at the lower end of the side wall, and a water inlet pipe 12 is arranged on the end cover 10; the bottom of the device shell 1 is provided with a base 13; a three-way valve 14 is arranged on the water outlet pipe 11, the three-way valve 14 is electrically connected with the controller, and one port of the three-way valve 14 is connected with the water inlet pipe 12 through a return pipe; a water quality monitor 5 is arranged on the base 13, and a monitoring probe of the water quality monitor 5 is positioned inside the water outlet pipe 11;

end cap

10, 4 sliding grooves 200 are vertically disposed at the upper position of the side wall of the guide sleeve 20, a first water outlet groove 201 is disposed at the lower position, the filter cartridge 21 is movably sleeved inside the guide sleeve 20, sliding seats 210 corresponding to the sliding grooves 200 in position and number are disposed at the upper position of the outer wall of the filter cartridge 21, a return spring 211 is disposed at the connection position of the sliding seats 210 and the sliding grooves 200, and a second water outlet groove 212 is disposed at the lower position of the outer wall of the filter cartridge 21; a pushing plate 22 is slidably clamped at the bottom in the filter cartridge 21, a pushing motor 23 is arranged at the bottom end of the filter cartridge 21, a pushing lead screw 230 is arranged on an output shaft of the pushing motor 23, and the pushing lead screw 230 penetrates through the filter cartridge 21 and is in threaded connection with the pushing plate 22;

as shown in fig. 1 and 5, the electrochemical oxidation assembly 3 includes a dc power supply, a mounting disc 30, two electrode rods 31 and a driving motor 32, the dc power supply is disposed on the device housing 1, the mounting disc 30 is rotatably clamped at the bottom of the device housing 1 through a connecting sleeve 300, the connecting sleeve 300 penetrates through the base 13 and is provided with a connecting gear ring 301, a sealing ring is disposed at the connection position of the connecting sleeve 300 and the base 13, two electrode rods 31 are symmetrically disposed on the upper end surface of the mounting disc 30 and are respectively electrically connected to the dc power supply; the driving motor 32 is arranged inside the base 13, a driving gear 320 is arranged on an output shaft of the driving motor 32, and the driving gear 320 is meshed with the connecting gear ring 301;

the controller is respectively electrically connected with the direct current power supply, the three-way valve 14, the pushing motor 23, the driving motor 32, the ozone generator 42, the booster pump 43 and the water quality monitor 5; the controller, the direct current power supply, the three-way valve 14, the pushing motor 23, the driving motor 32, the ozone generator 42, the booster pump 43 and the water quality monitor 5 are all commercially available products.

Example 3

end cap

as shown in fig. 1, 5 and 6, the electrochemical oxidation assembly 3 includes a dc power supply, a mounting disc 30, an electrode rod 31 and a driving motor 32, the dc power supply is disposed on the device housing 1, the mounting disc 30 is hollow inside, the mounting disc 30 is rotatably clamped at the bottom of the device housing 1 through a connecting sleeve 300, the connecting sleeve 300 penetrates through the base 13 and is provided with a connecting gear ring 301, a vertical rod 302 is disposed at the center of the top of the mounting disc 30, a plurality of liquid homogenizing plates 304 are uniformly distributed on the vertical rod 302 in the circumferential direction, and each liquid homogenizing plate 304 is provided with a plurality of through holes; two electrode rods 31 are arranged, and the two electrode rods 31 are symmetrically arranged on the upper end surface of the mounting disc 30 and are respectively electrically connected with a direct current power supply; the driving motor 32 is arranged inside the base 13, a driving gear 320 is arranged on an output shaft of the driving motor 32, and the driving gear 320 is meshed with the connecting gear ring 301; the lower end surface of the mounting disc 30 is rotationally clamped with a movable wheel 33, and a position corresponding to the position of the movable wheel 33 is arranged at the bottom in the device shell 1; an adjusting screw 34 is rotatably clamped in the mounting disc 30, a first bevel gear 340 is sleeved on the adjusting screw 34, two adjusting clamping grooves 341 are arranged at the upper end of the mounting disc 30 corresponding to the adjusting screw 34, and the two electrode rods 31 are respectively clamped in the two adjusting clamping grooves 341 in a sliding manner and are respectively in threaded connection with the adjusting screw 34; the bottom of the mounting disc 30 is provided with a micro motor 35, an output shaft of the micro motor 35 penetrates through the mounting disc 30 and is provided with a second bevel gear 350, and the second bevel gear 350 is meshed with the first bevel gear 340;

as shown in fig. 1, 2 and 7, the catalytic oxidation assembly 4 comprises a feed tray 40, a catalyst storage tank 41 and an ozone generator 42; the feeding disc 40 is arranged at the lower position inside the device shell 1 and positioned outside the mounting disc 30, the feeding disc 40 is hollow, a plurality of feeding heads 400 are uniformly distributed on the inner wall, the feeding disc 40 is rotationally clamped with the inner wall of the device shell 1, the upper end and the lower end of the feeding disc 40 are rotationally clamped with the movable plates 401 respectively, the catalyst storage tank 41 and the ozone generator 42 are connected with the two movable plates 401 through the guide pipes respectively, and the vertical rods 302 are connected with the feeding disc 40 through the pull rods 303; the catalyst storage tank 41 is arranged on one side of the base 13, a hydrogen peroxide catalyst is added in the catalyst storage tank 41, the catalyst storage tank 41 is connected with the top of the feeding disc 40 through a guide pipe, a booster pump 43 is arranged at the joint, the ozone generator 42 is arranged on the other side of the base 13, and the ozone generator 42 is communicated with the bottom of the feeding disc 40 through a guide pipe;

the controller is respectively electrically connected with the direct current power supply, the driving motor 32, the micro motor 35, the ozone generator 42 and the booster pump 43; the controller, the DC power supply, the driving motor 32, the micro motor 35, the ozone generator 42 and the booster pump 43 are all commercially available products.

Example 4

As shown in fig. 1 and 2, the advanced catalytic oxidation device for the treatment process of the waste water from Maotai-flavor liquor brewing comprises a device shell 1, a waste water filtering component 2, an electrochemical oxidation component 3, a catalytic oxidation component 4 and a controller; an end cover 10 is movably clamped at the top of the device shell 1, a water outlet pipe 11 is arranged at the lower end of the side wall, and a water inlet pipe 12 is arranged on the end cover 10; the bottom of the device shell 1 is provided with a base 13; a three-way valve 14 is arranged on the water outlet pipe 11, and one port of the three-way valve 14 is connected with the water inlet pipe 12 through a return pipe; a water quality monitor 5 is arranged on the base 13, and a monitoring probe of the water quality monitor 5 is positioned inside the water outlet pipe 11;

end cap

as shown in fig. 1, 5 and 6, the electrochemical oxidation assembly 3 includes a dc power supply, a mounting disc 30, an electrode rod 31 and a driving motor 32, the dc power supply is disposed on the device housing 1, the mounting disc 30 is hollow inside, the mounting disc 30 is rotatably clamped at the bottom of the device housing 1 through a connecting sleeve 300, the connecting sleeve 300 penetrates through the base 13 and is provided with a connecting gear ring 301, and a sealing ring is disposed at the connection position of the connecting sleeve 300 and the base 13; a vertical rod 302 is arranged at the center of the top of the mounting plate 30, a plurality of liquid homogenizing plates 304 are uniformly distributed on the periphery of the vertical rod 302, and a plurality of through holes are formed in each liquid homogenizing plate 304; the lower end surface of the mounting disc 30 is rotationally clamped with a movable wheel 33, and a position corresponding to the position of the movable wheel 33 is arranged at the bottom in the device shell 1; two electrode rods 31 are arranged, and the two electrode rods 31 are symmetrically arranged on the upper end surface of the mounting disc 30 and are respectively electrically connected with a direct current power supply; the driving motor 32 is arranged inside the base 13, a driving gear 320 is arranged on an output shaft of the driving motor 32, and the driving gear 320 is meshed with the connecting gear ring 301; an adjusting screw 34 is rotatably clamped in the mounting disc 30, a first bevel gear 340 is sleeved on the adjusting screw 34, two adjusting clamping grooves 341 are arranged at the upper end of the mounting disc 30 corresponding to the adjusting screw 34, and the two electrode rods 31 are respectively clamped in the two adjusting clamping grooves 341 in a sliding manner and are respectively in threaded connection with the adjusting screw 34; the bottom of the mounting disc 30 is provided with a micro motor 35, an output shaft of the micro motor 35 penetrates through the mounting disc 30 and is provided with a second bevel gear 350, and the second bevel gear 350 is meshed with the first bevel gear 340;

as shown in fig. 1, 2 and 7, the catalytic oxidation assembly 4 comprises a feed tray 40, a catalyst storage tank 41 and an ozone generator 42; the feeding disc 40 is arranged at the lower position inside the device shell 1 and located on the outer side of the mounting disc 30, the feeding disc 40 is hollow, a plurality of feeding heads 400 are uniformly distributed on the inner wall, the feeding disc 40 is rotationally clamped with the inner wall of the device shell 1, the upper end and the lower end of the feeding disc 40 are respectively rotationally clamped with movable plates 401, the catalyst storage tank 41 and the ozone generator 42 are respectively connected with the two movable plates 401 through guide pipes, the vertical rods 302 are connected with the feeding disc 40 through pull rods 303, and a plurality of baffle plates 402 are uniformly distributed inside the feeding disc 40; the catalyst storage tank 41 is arranged on one side of the base 13, a hydrogen peroxide catalyst is added in the catalyst storage tank 41, the catalyst storage tank 41 is connected with the top of the feeding disc 40 through a guide pipe, a booster pump 43 is arranged at the joint, the ozone generator 42 is arranged on the other side of the base 13, and the ozone generator 42 is communicated with the bottom of the feeding disc 40 through a guide pipe;

the controller is respectively and electrically connected with the direct current power supply, the three-way valve 14, the pushing motor 23, the driving motor 32, the micro motor 35, the ozone generator 42, the booster pump 43 and the water quality monitor 5, and the controller, the direct current power supply, the three-way valve 14, the pushing motor 23, the driving motor 32, the micro motor 35, the ozone generator 42, the booster pump 43 and the water quality monitor 5 are all commercially available products.

Claims

1. An advanced catalytic oxidation device for a treatment process of Maotai-flavor liquor brewing wastewater is characterized by comprising a device shell (1), a wastewater filtering component (2), an electrochemical oxidation component (3), a catalytic oxidation component (4) and a controller; the top of the device shell (1) is movably clamped with an end cover (10), the lower end of the side wall is provided with a water outlet pipe (11), and the end cover (10) is provided with a water inlet pipe (12); a base (13) is arranged at the bottom of the device shell (1);

the wastewater filtering component (2) comprises a guide sleeve (20) and a filtering cylinder (21), the guide sleeve (20) is arranged at the inner top of the device shell (1) and corresponds to the upper and lower positions of the end cover (10), a plurality of sliding grooves (200) are vertically arranged at the upper position of the side wall of the guide sleeve (20), a first water outlet groove (201) is arranged at the lower position, the filtering cylinder (21) is movably sleeved in the guide sleeve (20), sliding seats (210) with the positions and the number corresponding to those of the sliding grooves (200) are arranged at the upper position of the outer wall of the filtering cylinder (21), a reset spring (211) is arranged at the joint of the sliding seats (210) and the sliding grooves (200), and a second water outlet groove (212) is arranged at the lower position of the outer wall of the filtering cylinder (21);

the electrochemical oxidation assembly (3) comprises a direct-current power supply, an installation disc (30), two electrode rods (31) and a driving motor (32), wherein the direct-current power supply is arranged on the device shell (1), the installation disc (30) is rotationally clamped at the inner bottom of the device shell (1) through a connecting sleeve (300), the connecting sleeve (300) penetrates through the base (13) and is provided with a connecting gear ring (301), the two electrode rods (31) are symmetrically arranged on the upper end face of the installation disc (30) and are respectively and electrically connected with the direct-current power supply; the driving motor (32) is arranged inside the base (13), a driving gear (320) is arranged on an output shaft of the driving motor (32), and the driving gear (320) is meshed with the connecting gear ring (301);

the catalytic oxidation assembly (4) comprises a feeding disc (40), a catalyst storage tank (41) and an ozone generator (42); the device comprises a device shell (1), a catalyst storage tank (41), a mounting disc (30), a feeding disc (40), a hydrogen peroxide catalyst, a hydrogen peroxide solution, a booster pump (43), an ozone generator (42), a hydrogen peroxide solution and a hydrogen peroxide solution, wherein the feeding disc (40) is arranged at the lower position inside the device shell (1) and positioned outside the mounting disc (30), the feeding disc (40) is hollow, a plurality of feeding heads (400) are uniformly distributed on the inner wall of the feeding disc, the catalyst storage tank (41) is arranged on one side of a base (13), the hydrogen peroxide solution catalyst is added inside the catalyst storage tank (41), the catalyst storage tank (41) is connected with the top of the feeding disc (40) through a guide pipe, the booster pump (43) is arranged at the connection position, the ozone generator (42) is arranged on the other side of the base (13), and the ozone generator (42) is communicated with the bottom of the feeding disc (40) through a guide pipe;

the controller is respectively and electrically connected with the direct current power supply, the driving motor (32), the ozone generator (42) and the booster pump (43).

2. The advanced catalytic oxidation device for the treatment process of Maotai-flavor liquor brewing wastewater according to claim 1, wherein a pushing plate (22) is slidably clamped at the bottom of the filter cartridge (21), a pushing motor (23) is arranged at the bottom end of the filter cartridge (21), a pushing lead screw (230) is arranged on an output shaft of the pushing motor (23), the pushing lead screw (230) penetrates through the filter cartridge (21) and is in threaded connection with the pushing plate (22), and the pushing motor (23) is electrically connected with the controller.

3. The advanced catalytic oxidation device for the treatment process of the maotai-flavor liquor brewing wastewater according to claim 1, wherein a vertical rod (302) is arranged at a central position of the top of the mounting plate (30), the feeding plate (40) is rotatably clamped with the inner wall of the device housing (1), the upper end and the lower end of the feeding plate (40) are respectively rotatably clamped with the movable plates (401), the catalyst storage tank (41) and the ozone generator (42) are respectively connected with the two movable plates (401) through conduits, and the vertical rod (302) is connected with the feeding plate (40) through a pull rod (303).

4. The advanced catalytic oxidation device for the treatment process of the waste water from Maotai-flavor liquor brewing according to claim 3, wherein a plurality of liquid homogenizing plates (304) are uniformly distributed on the vertical rods (302) in the circumferential direction, and a plurality of through holes are formed in each liquid homogenizing plate (304).

5. The advanced catalytic oxidation device for the treatment process of the maotai-flavor liquor brewing wastewater of claim 1, wherein a plurality of baffle plates (402) are uniformly distributed inside the feeding disc (40).

6. The advanced catalytic oxidation device for the treatment process of the waste water from Maotai-flavor liquor brewing according to claim 1, wherein the lower end surface of the mounting plate (30) is rotatably clamped with a movable wheel (33), and a position corresponding to the movable wheel (33) is provided with a limit groove at the bottom in the device housing (1).

7. The advanced catalytic oxidation device for the treatment process of the waste water from Maotai-flavor liquor brewing according to claim 1, wherein the mounting plate (30) is hollow and rotatably clamped with an adjusting screw (34), the adjusting screw (34) is sleeved with a first bevel gear (340), two adjusting clamping grooves (341) are arranged at the upper end of the mounting plate (30) corresponding to the adjusting screw (34), and two electrode rods (31) are respectively slidably clamped in the two adjusting clamping grooves (341) and respectively connected with the adjusting screw (34) in a threaded manner; the miniature motor (35) is arranged at the bottom of the mounting disc (30), an output shaft of the miniature motor (35) penetrates through the mounting disc (30) and is provided with a second bevel gear (350), the second bevel gear (350) is meshed with the first bevel gear (340), and the miniature motor (35) is electrically connected with the controller.

8. The advanced catalytic oxidation device for the treatment process of Maotai-flavor liquor brewing wastewater according to claim 1, wherein a three-way valve (14) is arranged on the water outlet pipe (11), the three-way valve (14) is electrically connected with the controller, and one port of the three-way valve (14) is connected with the water inlet pipe (12) through a return pipe.

9. The advanced catalytic oxidation device for the treatment process of maotai-flavor liquor brewing wastewater according to claim 8, wherein a water quality monitor (5) is arranged on the base (13), the water quality monitor (5) is electrically connected with the controller, and a monitoring probe of the water quality monitor (5) is positioned inside the water outlet pipe (11).

10. The advanced catalytic oxidation device for the treatment process of the maotai-flavor liquor brewing wastewater of claim 8, wherein a material baffle plate (402) is arranged inside the feeding disc (40).