CN218988903U

CN218988903U - Oil removal device for treating liquid of pretreatment water tank

Info

Publication number: CN218988903U
Application number: CN202222652869.7U
Authority: CN
Inventors: 冯亮; 朱海啸; 李儒全; 朱子天
Original assignee: Shenzhen Tims Technology Co ltd
Current assignee: Shenzhen Tims Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-05-09
Anticipated expiration: 2032-10-10

Abstract

The utility model provides a deoiling device for handling liquid of pretreatment basin, is including the reservoir that is equipped with inlet and liquid outlet, is equipped with emulsification chamber, deoiling chamber and the overflow chamber that separates each other in the reservoir along inlet to the liquid outlet direction in proper order, be equipped with the heater in the emulsification chamber, be equipped with oil absorption device in the deoiling chamber be equipped with the feed liquor pump outside the reservoir, the feed liquor pump is used for drawing in the feed liquor pump of pretreatment basin in the emulsification chamber through the inlet, emulsification chamber, remove the bottom in oil pocket and overflow chamber and be linked together, and emulsification chamber and remove the upper portion in oil pocket and be linked together, the bottom of reservoir is by inlet to liquid outlet direction slope. The utility model has the advantages of better water-oil separation effect and cleaner workpiece cleaning.

Description

Oil removal device for treating liquid of pretreatment water tank

Technical Field

The utility model relates to an oil removing device, in particular to an oil removing device for treating liquid of a pretreatment water tank.

Background

Referring to fig. 1, a heating and standing oil-water separation device in the prior art is shown in fig. 1, which comprises an oil-water separation tank 100, a first cavity 101, a second cavity 102 and a third cavity 103 which are mutually separated are arranged in the oil-water separation tank 100, bottoms of the first cavity 101, the second cavity 102 and the third cavity 103 are mutually communicated, an oil collecting bucket 700 is arranged in the second cavity 102, a grease pumping pump 200, a valve 300, a heater 400, a sedimentation tank 500 and an oil drum 600 are arranged outside the oil-water separation tank 100, the bottom of the oil-water separation tank 100 is inclined towards the direction of the sedimentation tank 500, the grease pumping pump 200 is used for pumping stock tank liquid in a degreasing tank into the first cavity 101, the heater 400 is used for heating stock tank liquid in the first cavity 101, the oil collecting bucket 700 is used for collecting oil in the second cavity 102, and the sedimentation tank 500 is used for collecting sediment at the bottom.

The heating and standing oil-water separation device in the prior art has the following defects in the using process: firstly, the first cavity 101 and the second cavity 102 are only communicated at the bottom, after the heater 400 is used for heating the stock solution in the first cavity 101, oil floats on the upper layer after water and oil on the first cavity 101 are separated, and oil on the upper layer of the first cavity 101 cannot reach the second cavity 102, so that the oil collecting hopper 700 only collects oil on the upper layer of the second cavity 102, the collection amount is very limited, the oil of the first cavity 101 cannot be collected, the collection is incomplete, the effect is poor, and the tops of the first cavity 101, the second cavity 102 and the third cavity 103 are difficult to clean during cleaning; secondly, the sedimentation tank 500 is arranged outside the oil-water separation tank 100, so that the problem of poor sedimentation effect exists; in addition, the oil-water separation tank 100 is inclined towards the sedimentation tank 500, the inclination direction of the bottom of the oil-water separation tank 100 is opposite to the direction of the flow of the degreasing fluid after treatment from the first cavity 101 to the second cavity 102 and the third cavity 103, and the degreasing fluid after treatment is partially returned to the first cavity 101, so that the problem of incomplete separation exists.

Disclosure of Invention

The utility model aims to provide a deoiling device which has better water-oil separation effect and can clean more cleanly and is used for treating liquid of a pretreatment water tank.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a deoiling device for handling liquid of pretreatment basin, including the reservoir that is equipped with inlet and liquid outlet, be equipped with the emulsification chamber, deoiling chamber and the overflow chamber of mutual partition in proper order along inlet to the liquid outlet direction in the reservoir, be equipped with the heater in the emulsification chamber, be equipped with oil absorption device in the deoiling chamber be equipped with the feed liquor pump outside the reservoir, the feed liquor pump is used for drawing in the former groove liquid in the degreasing tank into the emulsification chamber through the inlet, emulsification chamber, remove the bottom in oil pocket and overflow chamber and be linked together, and emulsification chamber and remove the upper portion in oil pocket and be linked together, the bottom of reservoir is by inlet to liquid outlet direction slope.

As an improvement of the utility model, the oil suction device comprises a bracket, a funnel arranged in the middle of the bracket, a floating ball which is positioned around the funnel and fixed on the bracket, and a hose arranged at the lower end of the funnel, wherein one end of the hose is communicated with the lower end of the funnel, and the other end of the hose is communicated with the oil receiving barrel.

As an improvement of the utility model, the height of the funnel is adjustable.

As an improvement of the utility model, the funnel is mounted on the bracket in a threaded manner.

As an improvement of the utility model, the device further comprises a liquid level gauge and a thermometer, wherein the liquid level gauge and the thermometer are arranged between the emulsifying cavity and the oil removing cavity, the liquid level gauge is arranged between preset liquid level heights, and the thermometer is arranged at preset temperature.

As an improvement of the utility model, the heater is controlled by a solenoid valve.

As an improvement of the utility model, the side wall of the overflow cavity is provided with an overflow port, an overflow box for preventing liquid from overflowing is arranged at a position corresponding to the overflow port, and the overflow port is communicated with the degreasing tank through a pipeline.

As an improvement of the utility model, a liquid outlet valve is arranged at the liquid outlet, and the liquid outlet valve is communicated with a pipeline.

As an improvement of the utility model, the pipeline is provided with a four-way joint, and the other two interfaces of the four-way joint are communicated with the liquid outlet valve and the sewage collecting barrel.

As an improvement of the utility model, the heat insulation layer is arranged outside the liquid storage tank.

The utility model comprises a liquid storage tank with a liquid inlet and a liquid outlet, wherein an emulsifying cavity, a deoiling cavity and an overflow cavity which are mutually separated are sequentially arranged in the liquid storage tank along the direction from the liquid inlet to the liquid outlet, a heater is arranged in the emulsifying cavity, an oil suction device is arranged in the deoiling cavity, a raw material liquid inlet pump is arranged outside the liquid storage tank and used for pumping raw tank liquid in a pretreatment water tank into the emulsifying cavity through the liquid inlet, the emulsifying cavity, an oil removing cavity and the bottom of the overflow cavity are communicated, the emulsifying cavity is communicated with the upper part of the oil removing cavity, and the bottom of the liquid storage tank is inclined from the liquid inlet to the liquid outlet. Firstly, the upper parts and the bottoms of the emulsification cavity and the oil removal cavity are communicated, after the heater heats the stock tank liquid in the emulsification cavity, oil floats on the upper layer after water and oil in the emulsification cavity are separated, the oil on the upper layer of the emulsification cavity can smoothly enter the oil removal cavity through the upper part, the oil absorption device can smoothly collect the oil from the oil removal cavity and the upper layer of the emulsification cavity, the collection amount is more, the collection effect is better, so that residual oil stains on the tops of the emulsification cavity and the oil removal cavity are very few, and the cleaning is easier; secondly, compared with the prior art, a sedimentation tank is not arranged outside the liquid storage tank, the treated tank liquid returns to the degreasing tank through the liquid outlet, and is sedimentated by the degreasing tank, so that the sedimentation effect is better; in addition, in the utility model, the bottom of the liquid storage tank is inclined from the liquid inlet to the liquid outlet, namely, the inclination direction of the bottom of the liquid storage tank is the same as the direction of the treated degreasing liquid flowing from the emulsification cavity to the overflow cavity through the degreasing cavity, and the treated degreasing liquid directly flows out of the liquid storage tank through the liquid outlet and cannot return to the cavity, so that the oil-water separation is more thorough, the separation effect is better, and the defect that the treated degreasing liquid and the stock tank liquid are mixed in the prior art is overcome. Therefore, the utility model has the advantages of better water-oil separation effect and cleaner workpiece cleaning.

Drawings

Fig. 1 is a schematic structural view of an oil-water separator in the prior art.

Fig. 2 is a schematic diagram of the structure of an embodiment of the present utility model.

Fig. 3 is a schematic structural view of the oil suction apparatus of fig. 2.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 2 to 3, fig. 2 to 3 disclose an embodiment of a deoiling device for treating a liquid in a pretreatment water tank, the deoiling device comprises a liquid storage tank 1 provided with a liquid inlet 10 and a liquid outlet 19, an emulsifying cavity 11, a deoiling cavity 12 and an overflow cavity 13 which are mutually separated are sequentially arranged in the liquid storage tank 1 along the direction from the liquid inlet 10 to the liquid outlet 19, the emulsifying cavity 11, the deoiling cavity 12 and the overflow cavity 13 are separated by a first partition 111 and a second partition 121, a heater 4 is arranged in the emulsifying cavity 11, an oil absorbing device 2 is arranged in the deoiling cavity 12, a raw liquid inlet pump 3 is arranged outside the liquid storage tank 1, in the utility model, the raw liquid inlet pump 3 can be a diaphragm pump or an electric water pump, the raw liquid in the deoiling tank 9 is pumped into the emulsifying cavity 11 through the liquid inlet 10, the bottoms of the emulsifying cavity 11, the deoiling cavity 12 and the overflow cavity 13 are communicated, the emulsifying cavity 11 and the deoiling cavity 12 are communicated with the bottom of the liquid storage tank 1, and the direction of the liquid inlet 19 is inclined from the bottom of the liquid storage tank 1; firstly, in the utility model, the upper parts and the bottoms of the emulsification cavity 11 and the oil removal cavity 12 are communicated, after the heater 4 heats the stock tank liquid in the emulsification cavity 11, the oil floats on the upper layer after the water and the oil in the emulsification cavity 11 are separated, the oil on the upper layer of the emulsification cavity 11 can smoothly enter the oil removal cavity 12 through the upper part, the oil absorption device 2 can smoothly collect the oil from the oil removal cavity 12 and the upper layer of the emulsification cavity 11, the collection amount is more, the collection effect is better, so that the residual oil stain at the tops of the emulsification cavity 11 and the oil removal cavity 12 is very little, and the cleaning is easier; secondly, compared with the prior art, a sedimentation tank is not arranged outside the liquid storage tank 9, the treated tank liquid is returned into the degreasing tank 9 through the liquid outlet 19, and the degreasing tank 9 is used for sedimentation, so that the sedimentation effect is better; in addition, in the utility model, the bottom of the liquid storage tank 9 is inclined from the liquid inlet 10 to the liquid outlet 19, namely, the inclination direction of the bottom of the liquid storage tank 9 is the same as the direction of the treated degreasing liquid flowing from the emulsification cavity 11 to the overflow cavity 13 through the degreasing cavity 12, and the treated degreasing liquid flows out of the liquid storage tank 9 directly through the liquid outlet 19 and cannot return to the cavity any more, so that the oil-water separation is more thorough, the separation effect is better, and the defect that the treated degreasing liquid and the original tank liquid are mixed in the prior art is overcome.

In the present utility model, preferably, the oil absorbing device 2 includes a bracket 21, a funnel 22 disposed in the middle of the bracket 21, a floating ball 23 disposed around the funnel 22 and fixed on the bracket 21, and at least 3 flexible tubes 24 disposed at the lower end of the funnel 22, in this embodiment, there are 4 floating balls 23, one end of each flexible tube 24 is communicated with the lower end of the funnel 22, and the other end is used for communicating with the oil receiving barrel 7, specifically, in this embodiment, the height of the funnel 22 is adjustable, the funnel 22 is mounted on the bracket 21 in a threaded manner, so that the height of the funnel 22 can be adjusted by rotating the funnel 22; the oil suction device 2 always floats at a certain depth of the liquid level under the buoyancy action of the floating ball 23, after the funnel 22 is adjusted to a proper height, the separated floating oil is sucked out to the oil receiving barrel 7 by the funnel 22 through the hose 24 connected below due to the fact that the height of the opening of the funnel 22 is lower than the certain height of the liquid level, and the oil suction device 2 can remove oil better.

In the utility model, it is preferable that the oil-removing device further comprises a liquid level meter 51 and a thermometer 52, wherein the liquid level meter 51 and the thermometer 52 are arranged between the emulsification cavity 11 and the oil-removing cavity 12, the liquid level meter 51 is arranged between preset liquid level heights, the liquid level meter 51 can prevent the oil-removing device 2 from exerting oil-removing effect and preventing the heater 4 from being damaged by dry burning, the liquid level meter 51 is arranged between the lowest liquid level and the highest liquid level, so as to control the opening of the raw liquid inlet pump 3, thereby controlling the liquid level height of the liquid storage tank 1; the thermometer 52 sets a predetermined temperature, specifically, the thermometer 52 sets the temperature of the degreasing fluid at 70-80 ℃, so as to control the opening of the heated electromagnetic valve 41.

In the present utility model, the heater 4 is preferably controlled by an electromagnetic valve 41, and the heating mode may be electric heating or steam heating; the heater 4 can be a plate heat exchanger or a U-shaped stainless steel tube heat exchanger.

In the present utility model, preferably, an overflow port 130 is provided on the side wall of the overflow chamber 13, an overflow box 131 for preventing liquid from overflowing is provided at a position corresponding to the overflow port 130, and the overflow port 130 is communicated with the degreasing bath 9 through a pipe 132; the overflow box 131 can flow the degreasing liquid from the overflow box 131 to the overflow port 130 and flow out through the pipeline 132 under the condition that the liquid level is higher than the overflow box 131 under the condition that the liquid level meter 51 is invalid or other abnormal conditions, so that the degreasing liquid can be circulated to the whole circulation system, the degreasing liquid is not lost, and the degreasing liquid is not overflowed to the floor of a factory.

In the present utility model, preferably, the liquid outlet 19 is provided with the liquid outlet valve 5, the liquid outlet valve 5 is communicated with the pipeline 132, specifically, the pipeline 132 is provided with the four-way joint 133, two interfaces of the four-way joint are connected with the pipeline 132, and the other two interfaces are connected with the liquid outlet valve 5 and the sewage collecting barrel 6.

In the present utility model, preferably, the heat-insulating layer 14 is disposed outside the liquid storage tank 1 and is used for insulating the liquid storage tank 1, and in the present utility model, the heat-insulating layer 14 is specifically heat-insulating cotton.

When the oil-removing device is used, under the control of the liquid level meter 51, the stock solution pump 3 extracts stock solution from the degreasing tank 9, enters the emulsification cavity 11 through the liquid inlet 10, when the temperature of the heater 4 is controlled to be 70-80 ℃ by the thermometer 52, the electromagnetic valve 41 is controlled to be opened, steam is circularly heated by the heater 4, the stock solution is heated by the heater 4 in the emulsification cavity 11 so as to demulsify and separate oil droplets, the oil droplets with small density float up, the degreasing solution with large density flows from the emulsification cavity 11 to the degreasing cavity 12 along the cavity communicated below under the action of the inclined bottom plates of the first partition plate 111, the second partition plate 121 and the liquid storage tank 1, flows to the overflow cavity 13, finally flows back to the degreasing tank 9 from the liquid outlet 19 under the action of gravity, the bottom height of the oil-removing device is higher than that of the degreasing tank 9, the bottom plate inclined towards the direction of the liquid outlet 19 is designed so as to ensure that the emulsified oil and the dispersed oil can always float up and separate under the action of gravity.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a deoiling device for handling liquid of pretreatment basin, is including being equipped with reservoir (1) of inlet (10) and liquid outlet (19), is equipped with emulsification chamber (11), deoiling chamber (12) and overflow chamber (13) that separate each other in reservoir (1) along inlet (10) to liquid outlet (19) direction in proper order, be equipped with heater (4) in emulsification chamber (11), be equipped with oil absorption device (2) in deoiling chamber (12) reservoir (1) are equipped with feed liquor pump (3) outward, feed liquor pump (3) are used for in passing through inlet (10) suction emulsification chamber (11) with the feed liquor liquid in degreasing tank (9), its characterized in that: the bottom of the emulsification cavity (11), the oil removal cavity (12) and the bottom of the overflow cavity (13) are communicated, the upper parts of the emulsification cavity (11) and the oil removal cavity (12) are communicated, and the bottom of the liquid storage tank (1) is inclined from the liquid inlet (10) to the liquid outlet (19).

2. The oil removing device for treating liquid of a pretreatment tank as claimed in claim 1, wherein the oil absorbing device (2) comprises a bracket (21), a funnel (22) arranged in the middle of the bracket (21), a floating ball (23) which is positioned around the funnel (22) and is fixed on the bracket (21), and a hose (24) arranged at the lower end of the funnel (22), one end of the hose (24) is communicated with the lower end of the funnel (22), and the other end of the hose is communicated with the oil receiving barrel (7).

3. The degreasing device for treating liquids of pretreatment tanks according to claim 2, characterized in that the height of the hopper (22) is adjustable.

4. A degreasing device for treating liquids in pretreatment tanks according to claim 3, characterized in that said funnel (22) is screw-mounted on said support (21).

5. The oil removal apparatus for treating a liquid of a pretreatment tank as claimed in any one of claims 1 to 4, further comprising a liquid level meter (51) and a thermometer (52), said liquid level meter (51) and thermometer (52) being disposed between said emulsification chamber (11) and oil removal chamber (12), said liquid level meter (51) being disposed between predetermined liquid level heights, said thermometer (52) being disposed at a predetermined temperature.

6. The degreasing device for treating a liquid of a pretreatment tank as claimed in claim 5, wherein the heater (4) is controlled by an electromagnetic valve (41).

7. The degreasing device for treating a liquid of a pretreatment tank according to any one of claims 1 to 4, wherein an overflow port (130) is provided at a side wall of the overflow chamber (13), an overflow box (131) for preventing the liquid from overflowing is provided at a position corresponding to the overflow port (130), and the overflow port (130) is communicated with the degreasing tank (9) through a pipe (132).

8. The oil removal apparatus for treating a liquid of a pretreatment tank according to any of claims 1 to 4, wherein a liquid outlet valve (5) is provided at the liquid outlet (19), and the liquid outlet valve (5) is communicated with a pipe (132).

9. The degreasing device for liquid in pretreatment tank according to claim 8, wherein the pipeline (132) is provided with a four-way joint (133), and the other two interfaces of the four-way joint are communicated with the liquid outlet valve (5) and the sewage collecting barrel (6).

10. The degreasing device for treating a liquid of a pretreatment tank according to any one of claims 1 to 4, wherein a heat-insulating layer (14) is provided outside the tank (1).