Reinforced self-cleaning oil-water separator

Abstract

The application discloses a reinforced self-cleaning oil-water separator, which comprises a box body, a filter residue oil separation bin, a plurality of accelerated oil separation bins and a water outlet bin are sequentially arranged in the box body from an upstream, the filter residue oil separation bin, the plurality of accelerated oil separation bins and the water outlet bin are communicated at bottoms in the box body, a filter residue basket is arranged in the filter residue oil separation bin and located below a water inlet of the box body, the filter residue oil separation bin and an adjacent accelerated oil separation bin are isolated through an oil separation plate, the plurality of accelerated oil separation bins are isolated through accelerated oil-water separation baffles, and the water outlet bin and an adjacent accelerated oil separation bin are isolated through an accelerated oil-water separation baffle. The application has the advantages of good oil separation effect, reduced deposition and agglomeration and adhesion of oil stains, self-cleaning function, reduced maintenance and suitability for primary oil separation of a catering sewage drainage device.

Description

TECHNICAL FIELD

[0001] The present application relates to the sewage treatment technical field, specifically to a reinforced self-cleaning oil-water separator. BACKGROUND

[0002] The commonly used ground type oil-water separator is generally a simple oil-water separator installed under the ground operation platform, which is usually a purchased product, and the volume is limited in use, and the oil separation effect is not good, and the space under the platform is limited in use and management, which makes cleaning inconvenient, and cleaning is often neglected, and the oil and dirt are integrated into blocks, which are more difficult to clean, and can cause certain odor and worse oil separation effect. And the use of large-scale centralized catering oil-water separator has certain use limitations due to large investment, high management requirements, long distance from the drainage equipment, and oil and dirt blockage in the pipeline, and cannot be recognized by users. SUMMARY

[0003] The present application provides a reinforced self-cleaning oil-water separator.

[0004] The scheme of the present application is:

[0005] A reinforced self-cleaning oil-water separator, comprising a box body, a filter residue oil separation warehouse, a plurality of accelerated oil separation warehouses and a water outlet warehouse are sequentially arranged in the box body from upstream, the filter residue oil separation warehouse, the plurality of accelerated oil separation warehouses and the water outlet warehouse in the box body are communicated at the bottom, a filter residue basket is arranged in the filter residue oil separation warehouse, and the filter residue basket is located below the water inlet of the box body; the filter residue oil separation warehouse and the adjacent accelerated oil separation warehouse are isolated by an oil separation plate, the plurality of accelerated oil separation warehouses are isolated by accelerated oil-water separation baffles, and the water outlet warehouse and the adjacent accelerated oil separation warehouse are isolated by accelerated oil-water separation baffles; self-cleaning nozzles are arranged on both sides of the upper part of the accelerated oil-water separation baffle, a plurality of groups of variable-angle movable blades are arranged on the middle and lower part of the accelerated oil-water separation baffle, and the outer wall surface of the blade is coated with a coating for catalytic oxidation and degradation of oil; an oil outlet hole is arranged on one side of the accelerated oil separation warehouse, the oil outlet hole and the oil collection box are communicated through a drainage pipe, and the oil outlet hole is located between the self-cleaning nozzle and the uppermost blade. The box body is a stainless steel rectangular box body.

[0006] As a preferred technical scheme, the self-cleaning nozzle is communicated with the outlet of the washing pump outside the box body.

[0007] As a preferred technical scheme, the accelerated oil-water separation baffle is provided with an ultraviolet lamp towards the top of one side of the accelerated oil separation warehouse.

[0008] As a preferred technical scheme, the coating for catalytic oxidation and degradation of oil is a nano titanium dioxide coating.

[0009] As a preferred technical scheme, the nano-titanium dioxide coating comprises nano-titanium dioxide, tungsten carbide powder, nano-chromium oxide, barium sulfate powder, nano-ATO, a coupling agent, a solvent, a crosslinking agent, a resin and palmitic acid.

[0010] As a preferred technical scheme, the solvent is ethanol; and the resin is polyurethane, polyester resin, acrylic resin or latex resin.

[0011] The preparation method of the nano-titanium dioxide coating comprises the following steps:

[0012] 1) 1-5 ml of a silane coupling agent is added into 100 ml of ethanol, acetic acid is used to adjust the pH of the solution to 3-9, and the solution is stirred for 10-30 minutes; then 5-10 grams of nano-titanium dioxide is added into the solution, and the solution is subjected to strong mechanical stirring; after the solution is reacted for 1-3 hours, the powder is filtered out from the solution, dried and ground; the obtained powder is added into ethanol and continuously stirred, the solution is heated to 50-90 DEG C through a water bath, and then 0.1-0.5 grams of palmitic acid is added; after the solution is reacted for 1-3 hours, the powder is filtered out, dried and obtained as modified nano-titanium dioxide.

[0013] 2) the crosslinking agent is 0-10% by weight, the modified nano-titanium dioxide is 1-14%, the tungsten carbide powder is 0.5-1%, the nano-chromium oxide is 1-5%, the barium sulfate powder is 0.1-0.5%, the nano-ATO is 1-2%, and the rest is the resin; the components are mixed uniformly to obtain the nano-titanium dioxide coating paint.

[0014] As a preferred technical scheme, the particle size of the nano-titanium dioxide is less than 20 nanometers.

[0015] As a preferred technical scheme, the silane coupling agent is gamma-aminopropyl triethoxysilane, gamma-glycidyl ether propyl trimethoxysilane or gamma-methacryloyl propyl trimethoxysilane.

[0016] As a preferred technical scheme, the crosslinking agent is isocyanate, melamine or a compound thereof.

[0017] As a preferred technical scheme, the bottom of one side of the water outlet bin is provided with a vent valve.

[0018] As a preferred technical scheme, the outer side of the box body is provided with an oil collecting box.

[0019] As a preferred technical scheme, the bottom of the water inlet bin is provided with a residue separating net.

[0020] The water inlet of the flushing pump is communicated with one side of the water outlet bin and a high-temperature hot water source through pipes, and valves are arranged on the pipes.

[0021] As a preferred technical solution, one end of the blade is detachably connected with the accelerated oil-water separation baffle.

[0022] As a preferred technical solution, one end of the blade is detachably connected with the accelerated oil-water separation baffle.

[0023] Due to the adoption of the above technical solution, the reinforced self-cleaning oil-water separator comprises a box body, a filter residue oil separation bin, a plurality of accelerated oil separation bins and a water outlet bin are sequentially arranged in the box body from an upstream, the filter residue oil separation bin, the plurality of accelerated oil separation bins and the water outlet bin in the box body are communicated, a filter residue basket is arranged in the filter residue oil separation bin, and the filter residue basket is located below an inlet of the box body; the filter residue oil separation bin and an adjacent accelerated oil separation bin are isolated through an oil separation plate, the plurality of accelerated oil separation bins are isolated through accelerated oil-water separation baffles, the water outlet bin and an adjacent accelerated oil separation bin are isolated through an accelerated oil-water separation baffle; self-cleaning nozzles are arranged on both sides of an upper portion of the accelerated oil-water separation baffle, a plurality of groups of variable-angle movable blades are arranged on a middle and lower portion of the accelerated oil-water separation baffle, and a coating layer for catalytic oxidation and degradation of oil is coated on an outer wall surface of the blade; an oil outlet hole is arranged on one side of the accelerated oil separation bin, the oil outlet hole is communicated with an oil collecting box through a drainage pipe, and the oil outlet hole is located between the self-cleaning nozzle and the uppermost blade.

[0024] Advantages of the present application:

[0025] By utilizing the characteristics that oil is insoluble in water and the specific gravity of oil is smaller than that of water in the oil-water mixed liquid, kitchen oil-containing sewage is allowed to stay in the oil-water separator provided with the oil separation performance enhanced baffle for a corresponding time, so that the oil naturally floats up and the water sinks by gravity, and after being blocked by the filter residue oil separation bin, the water flows into the water outlet bin from the lower portion, and the oil stays in the filter residue oil separation bin and floats on the surface and naturally flows into the oil collecting box for regular cleaning. The filter residue net is arranged in the water inlet bin to block and remove the solid and fibrous impurities in the drainage, and the relatively clean water separated by the oil is discharged through the drainage outlet in the water outlet bin, so that the oil content in the discharged water is greatly reduced to meet the discharge requirements.

[0026] The blade can change the angle naturally along with the water flow direction, the water flow impact is increased, the oil-water separation effect is greatly increased, the outer wall of the blade is coated with an accelerated oil-water separation coating layer, the ultraviolet lamp is arranged as a light source for photocatalysis, and the effect of catalytic oxidation and degradation of oil is achieved. The self-cleaning nozzle uses the external flushing pump to extract the water in the water outlet bin or high-temperature water for cleaning to regularly perform self-cleaning maintenance on the oil separation baffle.

[0027] The small amount of oil floating on the surface in the filter residue oil separation tank flows into the oil collecting box naturally, and is cleaned regularly; the residue in the residue separation basket is cleaned regularly as wet garbage; and residue, oil and water are separated.

[0028] The application is mainly used for oil separation treatment of washing pool and the like discharging oil-containing sewage, is installed on the ground under the indoor water appliance, is made of stainless steel, is convenient to clean and manage, and through the movable blades, the oil-containing sewage is impacted when flowing through the blades again, so that the oil-water separation effect is greatly increased, and the oil separation effect is good.

[0029] The device is simple in structure, convenient to operate and clean, does not need professional personnel to clean, and has small investment.

[0030] The rectangular box body made of stainless steel can be conveniently installed below the washing tank and is mainly used for treatment of residue-containing and oil-containing drainage.

[0031] The application is suitable for primary oil separation of the sewage drainage appliance of the catering industry, especially for light catering oil sewage.

[0032] The application has small investment and can also be used in residue-containing and oil-containing drainage equipment in tea rooms and the like discharge sites, greatly reduces the possibility of drainage pipeline blockage, and reduces environmental pollution. DETAILED DESCRIPTION

[0033] Figure 1 The application is suitable for primary oil separation of the sewage drainage appliance of the catering industry, especially for light catering oil sewage.

[0034] Figure 2 The application is suitable for primary oil separation of the sewage drainage appliance of the catering industry, especially for light catering oil sewage.

[0035] Wherein: 1 - water inlet; 2 - residue filter basket; 3 - oil outlet; 4 - oil collecting box; 5 - vent valve; 6 - flushing pump; 7 - drainage outlet; 8 - accelerated oil-water separation baffle; 9 - blade; 10 - self-cleaning nozzle; 11 - residue and oil separation tank; 12 - accelerated oil separation tank; 13 - water outlet tank; 14 - box body; 15 - ultraviolet lamp. DETAILED DESCRIPTION

[0036] In order to make up for the above shortcomings, the application provides a reinforced self-cleaning oil-water separator to solve the problems in the above background art.

[0037] The reinforced self-cleaning oil-water separator comprises a box 14, a filter residue oil separation tank 11, several accelerated oil separation tanks 12 and a water outlet tank 13 arranged in the box 14 from upstream to downstream, a filter residue basket 2 arranged in the filter residue oil separation tank 11, the filter residue basket 2 being arranged below the water inlet 1 of the box 14, the filter residue oil separation tank 11 and the adjacent accelerated oil separation tank 12 being separated by an oil separation plate, the several accelerated oil separation tanks 12 being separated by accelerated oil-water separation baffles 8, the water outlet tank 13 and the adjacent accelerated oil separation tank 12 being separated by the accelerated oil-water separation baffles 8, the upper part of the accelerated oil-water separation baffles 8 being provided with self-cleaning nozzles 10 on both sides, the middle and lower part of the accelerated oil-water separation baffles 8 being provided with several groups of variable-angle movable blades 9, the outer wall surface of the blades 9 being coated with a coating layer for catalytic oxidation and degradation of oil, one side of the accelerated oil separation tank being provided with an oil outlet hole, the oil outlet hole being communicated with an oil collection box through a drainage pipe, the oil outlet hole being located between the self-cleaning nozzle and the uppermost blade, and the box 14 being a stainless steel rectangular box.

[0038] The self-cleaning nozzle is communicated with the water outlet of the flushing pump outside the box.

[0039] The accelerated oil-water separation baffle is provided with an ultraviolet lamp towards the top of one side of the accelerated oil separation tank.

[0040] The coating layer for catalytic oxidation and degradation of oil is a nano-titanium dioxide coating layer.

[0041] The nano-titanium dioxide coating layer comprises nano-titanium dioxide, tungsten carbide powder, nano-chromium oxide, barium sulfate powder, nano-ATO, coupling agent, solvent, crosslinking agent, resin and palmitic acid.

[0042] The solvent is ethanol, and the resin is polyurethane, polyester resin, acrylic resin or latex resin.

[0043] The preparation method of the nano-titanium dioxide coating layer comprises the following steps:

[0044] 1) 1-5 ml of silane coupling agent is added to every 100 ml of ethanol, acetic acid is used to adjust the pH of the solution to 3-9, the solution is stirred for 10-30 minutes, 5-10 grams of nano-titanium dioxide is added to the solution, and strong mechanical stirring is performed, the powder is filtered out from the solution after reaction for 1-3 hours, the powder is dried and ground; the obtained powder is added to ethanol and continuously stirred, the solution is heated to 50-90 DEG C through water bath, and then 0.1-0.5 grams of palmitic acid is added, the powder is filtered out after reaction for 1-3 hours, and the powder is dried to obtain modified nano-titanium dioxide;

[0045] 2) 0-10% crosslinking agent, 1-14% modified nano-titanium dioxide, 0.5-1% tungsten carbide powder, 1-5% nano-chromium oxide, 0.1-0.5% barium sulfate powder, 1-2% nano-ATO, and the rest is resin, which are mixed evenly to obtain the paint for nano-titanium dioxide coating.

[0046] The nano-titanium dioxide has a particle size less than 20 nanometers.

[0047] The silane coupling agent is gamma-aminopropyl triethoxysilane, gamma-glycidyl ether oxypropyl trimethoxysilane or gamma-methacryloyloxypropyl trimethoxysilane.

[0048] The crosslinking agent is isocyanate, melamine or their compound.

[0049] The side bottom of the water outlet chamber is provided with a vent valve.

[0050] The outer side of the box body is provided with an oil collecting box.

[0051] The drainage outlet of the water inlet chamber is provided with a residue separation net.

[0052] The water inlet of the flushing pump is communicated with one side of the water outlet chamber and a high-temperature hot water source through pipelines, and the pipeline communicated with the water outlet chamber is provided with a valve, and the pipeline communicated with the high-temperature hot water source is provided with a valve.

[0053] One end of the blade is detachably connected with the accelerated oil-water separation baffle.

[0054] One end of the blade is connected with one side of the accelerated oil-water separation baffle through a latch.

[0055] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in combination with specific examples.

[0056] Embodiment:

[0057] The application discloses a reinforced self-cleaning oil-water separator, which comprises a box body 14, a filter residue oil separation bin 11, a plurality of accelerated oil separation bins 12 and a water outlet bin 13 arranged in the box body 14 from upstream to downstream, and a filter residue basket 2 arranged in the filter residue oil separation bin 11 and located below a water inlet 1 of the box body 14. The filter residue oil separation bin 11 and the adjacent accelerated oil separation bin 12 are separated by an oil separation plate, the plurality of accelerated oil separation bins 12 are separated by accelerated oil-water separation baffles 8, the water outlet bin 13 and the adjacent accelerated oil separation bin 12 are separated by the accelerated oil-water separation baffles 8, the upper part of the accelerated oil-water separation baffles 8 is respectively provided with a self-cleaning nozzle 10 on both sides, the middle and lower part of the accelerated oil-water separation baffles 8 is provided with a plurality of groups of variable-angle movable blades 9, the outer wall surface of the blades 9 is coated with a coating for catalytic oxidation and degradation of oil, one side of the accelerated oil separation bin 11 is provided with an oil outlet hole 3, the oil outlet hole 3 is communicated with an oil collecting box 4 through a drainage pipe, the oil outlet hole 3 is located between the self-cleaning nozzle 10 and the uppermost blade 9, and the box body 14 is a stainless steel rectangular box body. The plurality of accelerated oil separation bins 12 are two accelerated oil separation bins 12.

[0058] The tail end of the box body 14 of the water outlet bin 13 is provided with a drainage port 7.

[0059] The self-cleaning nozzle 10 is communicated with the water outlet of a flushing pump 6 outside the box body 14.

[0060] The accelerated oil-water separation baffle 8 is provided with an ultraviolet lamp 15 towards the top of the side of the accelerated oil separation bin 12.

[0061] The coating for catalytic oxidation and degradation of oil is a nano titanium dioxide coating.

[0062] The nano titanium dioxide coating comprises nano titanium dioxide, tungsten carbide powder, nano chromium oxide, barium sulfate powder, nano ATO, a coupling agent, a solvent, a crosslinking agent, a resin and palmitic acid.

[0063] The solvent is ethanol, and the resin is polyurethane, polyester resin, acrylic resin or latex resin.

[0064] The preparation method of the nano titanium dioxide coating comprises the following steps:

[0065] 1) in 100ml of ethanol, 1-5ml of silane coupling agent is added, the solution is adjusted to pH 3-9 with acetic acid, stirred for 10-30 minutes, 5-10 grams of nano-titanium dioxide is added, and strong mechanical stirring is carried out at the same time, the powder is filtered out from the solution after 1-3 hours of reaction, dried and ground; the obtained powder is added to ethanol and continuously stirred, the solution is heated to 50-90℃ by water bath, then 0.1-0.5 grams of palmitic acid is added, the powder is filtered out after 1-3 hours of reaction, dried to obtain modified nano-titanium dioxide;

[0066] 2) the crosslinking agent is 0-10% by weight, the modified nano-titanium dioxide is 1-14%, the tungsten carbide powder is 0.5-1%, the nano-chromium oxide is 1-5%, the barium sulfate powder is 0.1-0.5%, the nano-ATO is 1-2%, and the rest is resin, which are mixed to obtain the nano-titanium dioxide coating paint.

[0067] The particle size of the nano-titanium dioxide is less than 20 nanometers.

[0068] The silane coupling agent is γ-aminopropyl triethoxysilane, γ-glycidyl ether propyl trimethoxysilane or γ-methacryloyl propyl trimethoxysilane.

[0069] The crosslinking agent is isocyanate, melamine or their compound.

[0070] The side bottom of the water outlet bin 13 is provided with a vent valve 5.

[0071] The outer side of the box body 14 is provided with an oil collecting box 4.

[0072] The drainage port 7 below the water inlet bin 13 is provided with a residue separation net.

[0073] The water inlet of the flushing pump 6 is respectively communicated with one side of the water outlet bin 13 and a high-temperature hot water source through pipelines, a valve is arranged on the pipeline through which the flushing pump 6 is communicated with one side of the water outlet bin 13, and a valve is arranged on the pipeline through which the flushing pump 6 is communicated with the high-temperature hot water source.

[0074] One end of the blade 9 is detachably connected with the accelerated oil-water separation baffle 9.

[0075] One end of the blade 9 is pin-connected with one side of the accelerated oil-water separation baffle 9, one end of the pin is provided with a blocking block, and the other end of the pin is threadedly connected.

[0076] Compared with the conventional oil-water separator in the prior art, the oil-water separation effect of the present application is superior to that of the conventional oil-water separator in the prior art; and the outer wall surface of the blade 9 is coated with a coating layer capable of catalytically oxidizing and degrading oil, which has strong wear resistance, can greatly reduce oil, effectively treat the odor caused by long-term oxidation of oil, effectively improve the oil-water separation, protect the environment, and improve the efficiency of oil-water separation.

[0077] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A reinforced self-cleaning oil-water separator characterized by: The utility model relates to a kind of oil-water separation device, including box, the filter residue oil separation warehouse, several accelerated oil-water separation warehouses and water outlet are sequentially provided with in the box from upstream, the filter residue oil separation warehouse, several accelerated oil-water separation warehouses and water outlet in the bottom of the box are communicated, filter residue basket is provided in the filter residue oil separation warehouse, and filter residue basket is located in the water inlet of the box below;The filter residue oil separation warehouse is isolated by oil separation plate between adjacent accelerated oil-water separation warehouse, and several accelerated oil-water separation warehouses are isolated by accelerated oil-water separation baffle, and water outlet is isolated by accelerated oil-water separation baffle between adjacent accelerated oil-water separation warehouse;The upper portion of accelerated oil-water separation baffle is respectively provided with self-cleaning nozzle on both sides, and the middle lower portion of accelerated oil-water separation baffle is provided with several groups of variable angle movable vane, and the outer wall surface of vane is coated with catalytic oxidation degradation oil coating;Accelerated oil-water separation warehouse side is provided with oil outlet hole, and the oil outlet hole is communicated with oil collection box by drainage pipe, and the oil outlet hole is located between self-cleaning nozzle and the uppermost vane. The catalytic oxidation degradation oil coating is a nano titanium dioxide coating, and the preparation method of the nano titanium dioxide coating comprises the following steps: 1) add 1-5 ml of silane coupling agent to every 100 ml of ethanol, adjust the pH of the solution to 3-9 with acetic acid, stir for 10-30 minutes, then add 5-10 g of nano titanium dioxide to it while performing strong mechanical stirring, filter the powder from the solution after 1-3 hours of reaction, dry and grind; add the obtained powder to ethanol and continue stirring, heat the solution to 50-90 DEG C by water bath, then add 0.1-0.5 g of palmitic acid, filter the powder after 1-3 hours of reaction, and dry it to obtain modified nano titanium dioxide; 2) the crosslinking agent is 0-10%, the modified nano titanium dioxide is 1-14%, the tungsten carbide powder is 0.5-1%, the nano chromium oxide is 1-5%, the barium sulfate powder is 0.1-0.5%, the nano ATO is 1-2%, and the rest is resin, which are mixed uniformly to obtain the nano titanium dioxide coating paint.

2. A reinforced self-cleaning oil-water separator as claimed in claim 1, characterized in that: The self-cleaning nozzle is communicated with the outlet of the flushing pump outside the box.

3. A reinforced self-cleaning oil-water separator as claimed in claim 1, characterized in that: The accelerated oil-water separation baffle is provided with an ultraviolet lamp at the top of the side facing the accelerated oil-water separation warehouse.

4. A reinforced self-cleaning oil-water separator as claimed in claim 1, characterized in that: The bottom of one side of the water outlet is provided with a vent valve.

5. A reinforced self-cleaning oil-water separator as claimed in claim 1, characterized in that: One side of the box is provided with an oil collection box, which is communicated with the filter residue oil separation warehouse in the box through a conduit.

6. A reinforced self-cleaning oil-water separator as claimed in claim 1, characterized in that: A residue separation net is arranged below the drain outlet of the water outlet.

7. A reinforced self-cleaning oil-water separator as claimed in claim 2, wherein: The inlet of the flushing pump is communicated with one side of the water outlet and a high-temperature hot water source through pipelines.

8. A reinforced self-cleaning oil-water separator as claimed in claim 1, wherein: One end of the vane is detachably connected with the accelerated oil-water separation baffle.

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