CN211078744U - Restaurant wastewater treatment device - Google Patents
Restaurant wastewater treatment device Download PDFInfo
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- CN211078744U CN211078744U CN201921298743.6U CN201921298743U CN211078744U CN 211078744 U CN211078744 U CN 211078744U CN 201921298743 U CN201921298743 U CN 201921298743U CN 211078744 U CN211078744 U CN 211078744U
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Abstract
The utility model discloses a food and beverage effluent treatment plant belongs to waste water treatment technical field. The device comprises a shell, a water inlet pipe, a residue-liquid separation tank, a water pump, a residue pipe, an oil-water separator, a high-molecular one-way membrane, a negative-pressure oil removal pipe, a photocatalytic reactor and a drain pipe, wherein the restaurant wastewater sequentially passes through the residue-liquid separation tank, the oil-water separator and the photocatalytic reactor to remove residues, oil stains and COD (chemical oxygen demand) so as to obtain purified water. The utility model discloses a food and beverage effluent treatment plant passes through the module combination, both can handle the food and beverage waste water of discharging such as all kinds of hotels, restaurants, dining room, also is applicable to independent small food and beverage service system, and this processing system can reach degree of automation height, easy and simple to handle, area is little, the little technological effect of running cost.
Description
Technical Field
The utility model relates to a food and beverage effluent treatment plant belongs to waste water treatment technical field.
Background
Restaurant wastewater is generated in the processes of food preparation, tableware washing, residual food percolate and the like generated in the business process of the catering industry, and contains a large amount of solid suspended matters, organic matters, animal and vegetable oil, protein, cellulose, vitamins, inorganic salt, synthetic detergents and the like. The untreated restaurant wastewater discharged directly can cause eutrophication of natural water bodies.
The method has the advantages that urban catering wastewater and urban domestic sewage are respectively treated, the treatment strength of the catering wastewater can be improved, grease and other impurities are recycled, in order to ensure the normal metabolic process of activated sludge and a biological membrane, the concentration of grease in the mixed sewage is usually not more than 30-50 mg/L when the mixed sewage flows into a biological treatment structure, and the poor treatment effect is caused by the water quality characteristics of dispersibility, intermittence, high grease content, difficult management and the like of the catering wastewater.
The restaurant wastewater treatment method in the prior art comprises the steps of preliminarily carrying out oil-water separation treatment on restaurant wastewater, and cleaning out solid residue sediment; aerating the restaurant wastewater subjected to oil-water separation treatment, providing pressure difference to enable water flow to alternately flow in a fiber filler region, and simultaneously providing sufficient oxygen for aerobic bacteria; quartz sand and ceramsite filter materials are arranged to intercept, adsorb and remove suspended matters; the fiber combined filler area is arranged to carry out film forming and bubble cutting on the wastewater, so that the utilization rate of oxygen is improved; but the microbial treatment is very inefficient and difficult to control.
Disclosure of Invention
To food and beverage waste water treatment's among the prior art problem, provide a food and beverage waste water treatment device, the utility model discloses a food and beverage waste water treatment device can conveniently remove, realizes the on-the-spot processing, adopts the high-efficient quick COD that gets rid of in the waste water of photocatalytic oxidation technology.
The utility model provides a food and beverage effluent treatment plant, which comprises a housin 1, the inlet tube 2, sediment liquid separation tank 3, water pump 5, residue pipe 6, oil water separator 7, polymer unidirectional membrane 8, oil pipe 9 is removed to the negative pressure, photocatalytic reactor 10, drain pipe 11, sediment liquid separation tank 3, oil water separator 7 and photocatalytic reactor 10 are all fixed to be set up in casing 1, the inlet tube 2 communicates with the water inlet on sediment liquid separation tank 3 top, be provided with a plurality of layers of filter sieve box 4 in the sediment liquid separation tank 3, the bottom of sediment liquid separation tank 3 is for leaking hopper-shaped bottom of the pool, the bottom and the residue pipe 6 intercommunication of leaking hopper-shaped bottom of the pool, residue pipe 6 extends to outside casing 1 downwards, the bottom lateral wall of sediment liquid separation tank 3 is provided with the delivery port, the delivery port passes through raceway I and the water inlet intercommunication on oil water separator 7 top, be provided with water pump 5 on raceway I, the molecular weight that interception molecular weight along the direction of vertical a plurality of being provided with a plurality of layers of polymer unidirectional membrane 8 and the negative pressure is small, except that the oil pipe 9 sequentially penetrates through the top walls of the shell 1 and the oil-water separator 7 and extends to the cavity of the oil-water separator 7, the oil-water separator 7 is located above the photocatalytic reactor 10, a water outlet in the bottom of the oil-water separator 7 is communicated with a water inlet of the photocatalytic reactor 10 through a water conveying pipe II, a water outlet in the top of the photocatalytic reactor 10 is communicated with the water drainage pipe 11, and the water drainage pipe 11 extends out of the shell 1.
The sieve holes of the filter sieve boxes 4 are gradually reduced from the upper layer to the lower layer.
The filter sieve box 4 comprises a fixed frame 12, and a filter sieve 13 is fixedly arranged at the bottom end of the fixed frame.
Further, the screen box holes which are matched with the filter screen boxes 4 are formed in the side walls of the shell 1 and the slag-liquid separation tank 3, a horizontal sliding groove 14 is formed in the inner wall of the slag-liquid separation tank 3, the horizontal sliding groove 14 is matched with a fixed frame of the filter screen boxes 4, screen box supporting rods 15 which are parallel to the horizontal sliding groove 14 are uniformly and fixedly arranged on the inner wall of the slag-liquid separation tank 3, and the screen box supporting rods 15 are located below the horizontal sliding groove 14 and are in contact with the bottom surfaces of the fixed frames of the filter screen boxes 4.
Further, a handle 16 is fixedly arranged at the side end of the filter sieve box 4.
The negative pressure oil removing pipe 9 is externally connected with an oil pump.
The negative pressure oil removing pipe 9 is a flexible telescopic rubber pipe.
The internal fixed photocatalytic reaction device that is provided with of cavity of sediment liquid separation tank 3, photocatalytic reaction device include cuboid structural framework 17, and the vertical fixed a plurality of layers of titanium base micro arc photocatalysis net 18 that set up in cuboid structural framework 17, titanium base micro arc photocatalysis net 18 are perpendicular with the rivers direction, and 17 evenly fixed a plurality of ultraviolet fluorescent tube that is provided with on the cuboid structural framework.
And flow control valves are arranged on the water inlet pipe 2, the water delivery pipe I, the water delivery pipe II, the residue pipe 6, the negative pressure oil removal pipe 9 and the water discharge pipe 11.
The titanium-based micro-arc photocatalytic network, the flexible telescopic rubber tube and the high-molecular unidirectional film are all commercially available products;
the photocatalytic reactor 10 can be a photocatalytic reactor with a water inlet positioned at the bottom of the photocatalytic reactor and a water outlet positioned at the top of the photocatalytic reactor in the prior art;
preferably, the photocatalytic reactor 10 is a multi-tray flow-distribution internal-diffusion vertical plug flow photocatalytic reactor with the patent number of 201720703616.4; the light tube with quartz sleeve inside the photocatalytic reactor is coaxial with the reactor, spiral raised tower plates with quartz sleeve as shaft are set from the bottom to the top of the reactor, several catalyst trays are suspended inside the space between the upper and the lower tower plates, water inlet is set in the lower part of the photocatalytic reactor, and water outlet is set in the upper part of the photocatalytic reactor.
The catalyst trays are net-shaped, and a plurality of catalyst trays are uniformly and spirally suspended in a space between an upper tower plate and a lower tower plate in the photocatalytic reactor by hooks.
The photocatalytic reaction group is formed by more than 2 photocatalytic reactors in parallel, series or combination of series and parallel.
A restaurant wastewater treatment method adopts a restaurant wastewater treatment device, and comprises the following specific steps:
(1) the method comprises the following steps of conveying restaurant wastewater into a residue-liquid separation tank in a restaurant wastewater treatment device through a water inlet pipe, wherein the restaurant wastewater flows to the bottom of the residue-liquid separation tank under the action of gravity, and residues in the restaurant wastewater are filtered and removed step by a filter screen of a filter screen box of the residue-liquid separation tank according to particle sizes to obtain residue-free wastewater;
(2) closing a flow control valve on a residue pipe, opening the flow control valve on a water conveying pipe I, conveying residue-free wastewater into an oil-water separator under pressure by a water pump on the water conveying pipe I, retaining oil in the residue-free wastewater in a cavity between the wall of the oil-water separator and a polymer one-way membrane and a cavity of an adjacent polymer one-way membrane under the interception of the polymer one-way membrane, separating layers under the action of gravity to obtain upper-layer oil and lower-layer water, and pumping and removing the upper-layer oil by an oil pump externally connected with a negative-pressure oil removal pipe;
(3) the lower layer water is conveyed into a photocatalytic reactor through a water conveying pipe II to carry out photocatalytic reaction to remove COD in the wastewater to obtain purified water;
(4) when the residue-liquid separation tank is cleaned, the flow control valve on the water conveying pipe I is closed, the flow control valve on the residue pipe is opened, clean water is conveyed from the water inlet pipe to flush the wall of the residue-liquid separation tank, and sewage is discharged through the residue pipe;
(5) when the filter sieve box is cleaned, the filter sieve box is pulled out along the horizontal sliding groove of the wall of the slag-liquid separation tank through the handle to be cleaned and cleaned.
The utility model has the advantages that:
(1) the catering wastewater treatment device of the utility model can be conveniently moved, realizes on-site treatment, and efficiently and quickly removes COD in wastewater by adopting a photocatalytic oxidation technology;
(2) the utility model discloses a food and beverage effluent treatment plant passes through the module combination, both can handle the food and beverage waste water of discharging such as all kinds of hotels, restaurants, dining room, also is applicable to independent small food and beverage service system, and this processing system can reach degree of automation height, easy and simple to handle, area is little, the little technological effect of running cost.
Drawings
FIG. 1 is a schematic structural view of a restaurant wastewater treatment device in example 1;
FIG. 2 is a schematic structural view of a restaurant wastewater treatment device in embodiment 2;
FIG. 3 is a top view of a filter screen cassette;
FIG. 4 is a sectional view (top view) of a slag-liquid separation tank;
FIG. 5 is a sectional view (side view) of a slag-liquid separation tank;
FIG. 6 is a schematic view (front view) of the oil-water separator;
FIG. 7 is a schematic view of a titanium-based micro-arc photocatalytic network;
in the figure, 1-a shell, 2-a water inlet pipe, 3-a residue-liquid separation tank, 4-a filter sieve box, 5-a water pump, 6-a residue pipe, 7-an oil-water separator, 8-a high-molecular one-way membrane, 9-a negative pressure oil removal pipe, 10-a photocatalytic reactor, 11-a water discharge pipe, 12-a fixed frame, 13-a filter screen, 14-a horizontal chute, 15-a sieve box support rod, 16-a handle, 17-a cuboid structure frame and 18-a micro-arc titanium-based photocatalytic network.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. However, the present invention is not limited to the above-described embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by a person skilled in the art.
Example 1
The utility model provides a food and beverage effluent treatment plant, which comprises a housin 1, the inlet tube 2, sediment liquid separation tank 3, water pump 5, residue pipe 6, oil water separator 7, polymer unidirectional membrane 8, oil pipe 9 is removed to the negative pressure, photocatalytic reactor 10, drain pipe 11, sediment liquid separation tank 3, oil water separator 7 and photocatalytic reactor 10 are all fixed to be set up in casing 1, the inlet tube 2 communicates with the water inlet on sediment liquid separation tank 3 top, be provided with a plurality of layers of filter sieve box 4 in the sediment liquid separation tank 3, the bottom of sediment liquid separation tank 3 is for leaking hopper-shaped bottom of the pool, the bottom and the residue pipe 6 intercommunication of leaking hopper-shaped bottom of the pool, residue pipe 6 extends to outside casing 1 downwards, the bottom lateral wall of sediment liquid separation tank 3 is provided with the delivery port, the delivery port passes through raceway I and the water inlet intercommunication on oil water separator 7 top, be provided with water pump 5 on raceway I, the molecular weight that interception molecular weight along the direction of vertical a plurality of being provided with a plurality of layers of polymer unidirectional membrane 8 and small, negative pressure except that the oil pipe 9 passes through the top walls of the shell 1 and the oil-water separator 7 in sequence and extends to the cavity of the oil-water separator 7, the oil-water separator 7 is positioned above the photocatalytic reactor 10, a water outlet at the bottom of the oil-water separator 7 is communicated with a water inlet of the photocatalytic reactor 10 through a water conveying pipe II, a water outlet at the top of the photocatalytic reactor 10 is communicated with a water drainage pipe 11, and the water drainage pipe 11 extends out of the shell 1;
the sieve pores of the filter sieve boxes 4 from the upper layer to the lower layer are gradually reduced;
a restaurant wastewater treatment method adopts a restaurant wastewater treatment device, and comprises the following specific steps:
(1) the method comprises the following steps of conveying restaurant wastewater into a residue-liquid separation tank in a restaurant wastewater treatment device through a water inlet pipe, wherein the restaurant wastewater flows to the bottom of the residue-liquid separation tank under the action of gravity, and residues in the restaurant wastewater are filtered and removed step by a filter screen of a filter screen box of the residue-liquid separation tank according to particle sizes to obtain residue-free wastewater;
(2) closing a flow control valve on a residue pipe, opening the flow control valve on a water conveying pipe I, conveying residue-free wastewater into an oil-water separator under pressure by a water pump on the water conveying pipe I, retaining oil in the residue-free wastewater in a cavity between the wall of the oil-water separator and a polymer one-way membrane and a cavity of an adjacent polymer one-way membrane under the interception of the polymer one-way membrane, separating layers under the action of gravity to obtain upper-layer oil and lower-layer water, and pumping and removing the upper-layer oil by an oil pump externally connected with a negative-pressure oil removal pipe;
(3) the lower layer water is conveyed into a photocatalytic reactor through a water conveying pipe II to carry out photocatalytic reaction to remove COD in the wastewater to obtain purified water;
(4) when the residue-liquid separation tank is cleaned, the flow control valve on the water conveying pipe I is closed, the flow control valve on the residue pipe is opened, clean water is conveyed from the water inlet pipe to flush the wall of the residue-liquid separation tank, and sewage is discharged through the residue pipe;
(5) when the filter sieve box is cleaned, the filter sieve box is pulled out along the horizontal sliding groove of the wall of the slag-liquid separation tank through the handle to be cleaned and cleaned.
Example 2
The utility model provides a food and beverage effluent treatment plant, which comprises a housin 1, the inlet tube 2, sediment liquid separation tank 3, water pump 5, residue pipe 6, oil water separator 7, polymer unidirectional membrane 8, oil pipe 9 is removed to the negative pressure, photocatalytic reactor 10, drain pipe 11, sediment liquid separation tank 3, oil water separator 7 and photocatalytic reactor 10 are all fixed to be set up in casing 1, the inlet tube 2 communicates with the water inlet on sediment liquid separation tank 3 top, be provided with a plurality of layers of filter sieve box 4 in the sediment liquid separation tank 3, the bottom of sediment liquid separation tank 3 is for leaking hopper-shaped bottom of the pool, the bottom and the residue pipe 6 intercommunication of leaking hopper-shaped bottom of the pool, residue pipe 6 extends to outside casing 1 downwards, the bottom lateral wall of sediment liquid separation tank 3 is provided with the delivery port, the delivery port passes through raceway I and the water inlet intercommunication on oil water separator 7 top, be provided with water pump 5 on raceway I, the molecular weight that interception molecular weight along the direction of vertical a plurality of being provided with a plurality of layers of polymer unidirectional membrane 8 and small, negative pressure except that the oil pipe 9 passes through the top walls of the shell 1 and the oil-water separator 7 in sequence and extends to the cavity of the oil-water separator 7, the oil-water separator 7 is positioned above the photocatalytic reactor 10, a water outlet at the bottom of the oil-water separator 7 is communicated with a water inlet of the photocatalytic reactor 10 through a water conveying pipe II, a water outlet at the top of the photocatalytic reactor 10 is communicated with a water drainage pipe 11, and the water drainage pipe 11 extends out of the shell 1;
the sieve pores of the filter sieve boxes 4 from the upper layer to the lower layer are gradually reduced;
the filter sieve box 4 comprises a fixed frame 12, and a filter sieve 13 is fixedly arranged at the bottom end of the fixed frame.
The side wall of the shell 1 is provided with a screen box hole matched with the filter screen box 4, the inner wall of the slag-liquid separation tank 3 is provided with a horizontal chute 14, the horizontal chute 14 is matched with a fixed frame of the filter screen box 4, the inner wall of the slag-liquid separation tank 3 is uniformly and fixedly provided with a screen box support rod 15 parallel to the horizontal chute 14, and the screen box support rod 15 is positioned below the horizontal chute 14 and is contacted with the bottom surface of the fixed frame of the filter screen box 4;
a handle 16 is fixedly arranged at the side end of the filter screen box 4;
the negative pressure oil removal pipe 9 is externally connected with an oil pump;
the negative pressure oil removing pipe 9 is a flexible telescopic rubber pipe;
a photocatalytic reaction device is fixedly arranged in the cavity of the slag-liquid separation tank 3 and comprises a rectangular structure frame 17, a plurality of layers of titanium-based micro-arc photocatalytic networks 18 are vertically and fixedly arranged in the rectangular structure frame 17, the titanium-based micro-arc photocatalytic networks 18 are vertical to the direction of water flow, and a plurality of ultraviolet lamp tubes are uniformly and fixedly arranged on the rectangular structure frame 17;
flow control valves are arranged on the water inlet pipe 2, the water delivery pipe I, the water delivery pipe II, the residue pipe 6, the negative pressure oil removal pipe 9 and the water discharge pipe 11;
the titanium-based micro-arc photocatalytic network is a commercially available product;
the photocatalytic reactor 10 adopts a multi-tower plate flow distribution internal diffusion vertical plug flow photocatalytic reactor with the patent number of 201720703616.4; the light tube with quartz sleeve is lined in the photocatalytic reactor, the quartz sleeve is coaxial with the reactor, spiral rising tower plates taking the quartz sleeve as a shaft are arranged from the bottom to the top of the reactor, a plurality of catalyst trays are hung in the space between the upper tower plate and the lower tower plate, a water inlet is arranged at the lower part of the photocatalytic reactor, and a water outlet is arranged at the upper part of the photocatalytic reactor;
the catalyst trays are in a net shape, and a plurality of catalyst trays are uniformly and spirally suspended in a space between an upper tower plate and a lower tower plate in the photocatalytic reactor by hooks; more than 2 photocatalytic reactors form a photocatalytic reaction group in a parallel, serial or series-parallel combination mode;
a restaurant wastewater treatment method adopts a restaurant wastewater treatment device, and comprises the following specific steps:
(1) the method comprises the following steps of conveying restaurant wastewater into a residue-liquid separation tank in a restaurant wastewater treatment device through a water inlet pipe, wherein the restaurant wastewater flows to the bottom of the residue-liquid separation tank under the action of gravity, and residues in the restaurant wastewater are filtered and removed step by a filter screen of a filter screen box of the residue-liquid separation tank according to particle sizes to obtain residue-free wastewater;
(2) closing a flow control valve on a residue pipe, opening the flow control valve on a water delivery pipe I, conveying residue-free wastewater into an oil-water separator through a water pump on the water delivery pipe I under pressure, retaining oil in the residue-free wastewater in a cavity between the wall of the oil-water separator and a polymer one-way membrane and a cavity of an adjacent polymer one-way membrane under the interception of the polymer one-way membrane, performing layered separation under the action of gravity to obtain upper-layer oil and lower-layer water, pumping the upper-layer oil out through an oil pump externally connected with a negative-pressure oil removal pipe, and primarily removing COD from the lower-layer water through a titanium-based micro-arc photocatalytic network of a photocatalytic reaction device;
(3) the lower layer water is conveyed into a photocatalytic reactor through a water conveying pipe II to carry out photocatalytic reaction to remove COD in the wastewater to obtain purified water;
(4) when the residue-liquid separation tank is cleaned, the flow control valve on the water conveying pipe I is closed, the flow control valve on the residue pipe is opened, clean water is conveyed from the water inlet pipe to flush the wall of the residue-liquid separation tank, and sewage is discharged through the residue pipe;
(5) when the filter sieve box is cleaned, the filter sieve box is pulled out along a horizontal sliding chute on the wall of the slag-liquid separation tank through a handle to be cleaned and cleaned;
the photocatalytic reactor 10 adopts a multi-tower plate upper distribution inner diffusion vertical plug flow photocatalytic reactor with the patent number of 201720703616.4, controls the flow velocity of wastewater entering the photocatalytic reactor, arranges catalyst trays around a lamp tube, is beneficial to improving the utilization efficiency of a light source, and under the cooperation of spiral multi-tower plates in the photocatalytic reactor and the spirally distributed catalyst trays hung among the multi-tower plates, the spiral multi-tower plates play a role of guiding water flow, so that the catalyst in the catalyst trays and sewage fully react, and the photocatalytic reaction efficiency is improved; the photocatalytic reactor is a plug flow reactor, no back mixing exists in the flow direction, and the mixing is achieved to the maximum degree on the plane perpendicular to the flow direction, so that the efficiency of the photocatalytic reaction is further improved.
Claims (9)
1. A restaurant wastewater treatment device is characterized in that: comprises a shell (1), a water inlet pipe (2), a residue-liquid separation tank (3), a water pump (5), a residue pipe (6), an oil-water separator (7), a high-molecular one-way membrane (8), a negative pressure oil removal pipe (9), a photocatalytic reactor (10) and a drain pipe (11), wherein the residue-liquid separation tank (3), the oil-water separator (7) and the photocatalytic reactor (10) are all fixedly arranged in the shell (1), the water inlet pipe (2) is communicated with a water inlet at the top end of the residue-liquid separation tank (3), a plurality of layers of filter screen boxes (4) are arranged in the residue-liquid separation tank (3), the bottom end of the residue-liquid separation tank (3) is a funnel-shaped tank bottom, the bottom end of the funnel-shaped tank bottom is communicated with the residue pipe (6), the residue pipe (6) extends downwards to the outside of the shell (1), the side wall at the bottom of the residue-liquid separation tank (3) is provided with a water outlet, and, the water pump (5) is arranged on the water conveying pipe I, a plurality of layers of polymer one-way membranes (8) are vertically arranged in the oil-water separator (7), the molecular weight of the polymer one-way membranes (8) is gradually reduced along the water flow direction, negative pressure except that the oil pipe (9) sequentially penetrates through the top walls of the shell (1) and the oil-water separator (7) and extends into a cavity of the oil-water separator (7), the oil-water separator (7) is located above the photocatalytic reactor (10), a water outlet at the bottom of the oil-water separator (7) is communicated with a water inlet of the photocatalytic reactor (10) through a water conveying pipe II, a water outlet at the top of the photocatalytic reactor (10) is communicated with the water discharging pipe (11), and the water discharging pipe (11) extends out of the shell (1).
2. The restaurant wastewater treatment device according to claim 1, wherein: the sieve pores of the filter sieve box (4) from the upper layer to the lower layer are gradually reduced.
3. The restaurant wastewater treatment device according to claim 1, wherein: the filter sieve box (4) comprises a fixed frame (12), and a filter screen (13) is fixedly arranged at the bottom end of the fixed frame.
4. The restaurant wastewater treatment device according to claim 3, wherein: the side wall of casing (1) and sediment liquid separation pond (3) all seted up the sieve box hole that suits with filter sieve box (4), horizontal spout (14) have been seted up to the inner wall in sediment liquid separation pond (3), horizontal spout (14) suit with the fixed frame of filter sieve box (4), the inner wall of sediment liquid separation pond (3) is evenly fixed to be provided with sieve box bracing piece (15) parallel with horizontal spout (14), sieve box bracing piece (15) are located the below of horizontal spout (14) and just contact with the bottom surface of filter sieve box (4) fixed frame.
5. Restaurant wastewater treatment plant according to claim 3 or 4, characterized in that: a handle (16) is fixedly arranged at the side end of the filter screen box (4).
6. The restaurant wastewater treatment device according to claim 1, wherein: the negative pressure oil removing pipe (9) is externally connected with an oil pump.
7. Restaurant wastewater treatment plant according to claim 1 or 6, characterized in that: the negative pressure oil removing pipe (9) is a flexible telescopic rubber pipe.
8. The restaurant wastewater treatment device according to claim 1, wherein: a photocatalytic reaction device is fixedly arranged in a cavity of the slag-liquid separation tank (3), the photocatalytic reaction device comprises a cuboid structure frame (17), a plurality of layers of titanium-based micro-arc photocatalytic networks (18) are vertically and fixedly arranged in the cuboid structure frame (17), the titanium-based micro-arc photocatalytic networks (18) are perpendicular to the direction of water flow, and a plurality of ultraviolet lamp tubes are uniformly and fixedly arranged on the cuboid structure frame (17).
9. The restaurant wastewater treatment device according to claim 1, wherein: flow control valves are arranged on the water inlet pipe (2), the water delivery pipe I, the water delivery pipe II, the residue pipe (6), the negative pressure oil removal pipe (9) and the water discharge pipe (11).
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| CN201921298743.6U CN211078744U (en) | 2019-08-12 | 2019-08-12 | Restaurant wastewater treatment device |
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| CN201921298743.6U CN211078744U (en) | 2019-08-12 | 2019-08-12 | Restaurant wastewater treatment device |
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| CN110395831A (en) * | 2019-08-12 | 2019-11-01 | 云南大学 | A kind of restaurant wastewater treatment device and processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110395831A (en) * | 2019-08-12 | 2019-11-01 | 云南大学 | A kind of restaurant wastewater treatment device and processing method |
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