CN213446519U - Oil removal filter for sewage treatment - Google Patents

Abstract

The utility model discloses a deoiling filter for sewage treatment, including the device body, the inside of device body is provided with intake antrum, first graduated bore, second graduated bore, third graduated bore, fourth graduated bore, fifth graduated bore, observes chamber and process chamber. After sewage filtered the granule through filtering the frame, get into first hierarchical chamber through the intake antrum, hierarchical chamber of second, hierarchical chamber of third, fourth hierarchical chamber and fifth hierarchical intracavity, according to the principle of greasy dirt come-up, the greasy dirt can be discharged the fifth hierarchical intracavity through going out the oil pipe discharge through last floating pipe, water after the separation is discharged the observation chamber through first solenoid valve downwards through the drain pipe, after observing intracavity liquid is full of, remaining greasy dirt can gather and observe intracavity inside upper end, open the second solenoid valve this moment, observe intracavity middle level separation liquid can discharge into the treatment intracavity through the second solenoid valve, filter the discharge once more through the oil absorption cotton, can effectually improve the quality of sewage deoiling through multiple measure.

Description

Oil removal filter for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sewage treatment is with deoiling filter.

Background

In oil refining, petrochemical industry, chemical fiber, pharmaceutical industry and food industry, various dirty oils are often carried in the production wastewater, which not only brings great pressure to the production wastewater treatment facilities, but also causes the waste of oil products. The conventional treatment method mostly adopts the methods of increasing the retention time of a water tank, settling separation, centrifugal separation or oil-water separation in a sewage treatment plant by oil separation, and the measures have the problems of high investment, large occupied area and low efficiency, thereby causing high oil removal cost of the oily sewage.

At present, the oil-containing sewage separation treatment equipment is widely applied in industry, in particular to the field of sewage treatment and purification. In the current oily sewage treatment process in China, a method of using a advection oil separation tank is adopted in a large quantity, and the oil separation tank is open, so that the environment is polluted, the occupied area is large, the investment is high, and the sewage treatment effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment is with deoiling filter to solve the poor problem of sewage treatment effect.

In order to achieve the above object, the utility model provides a following technical scheme: an oil removing filter for sewage treatment comprises a device body, wherein a water inlet cavity, a first grading cavity, a second grading cavity, a third grading cavity, a fourth grading cavity, a fifth grading cavity, an observation cavity and a treatment cavity are arranged in the device body, the upper walls of the first grading cavity, the second grading cavity, the third grading cavity and the fourth grading cavity incline upwards towards one side of an upward floating pipe, thus, the oil stain can go upwards in turn along the inclined tops of the first, second, third and fourth grading cavities through the floating pipes, the surface of the device body is provided with an oil outlet pipe, a water purifying pipe and a secondary oil discharging pipe valve, the oil outlet pipe is positioned at the upper end of the fifth grading cavity, the water purifying pipe is positioned at the lower end of the treatment cavity, the secondary oil discharging pipe valve is positioned at the upper end of the observation cavity, when the oil stain in the observation cavity is accumulated to a certain amount, the second electromagnetic valve is closed, and the oil stain in the observation cavity can be discharged by opening the second oil discharge pipe valve.

Preferably, the upper walls of the first grading cavity, the second grading cavity, the third grading cavity and the fourth grading cavity are provided with drain pipes, and after the water inlet cavity, the first grading cavity, the second grading cavity, the third grading cavity, the fourth grading cavity and the fifth grading cavity are filled with sewage, water in the water inlet cavity, the first grading cavity, the second grading cavity, the third grading cavity, the fourth grading cavity and the fifth grading cavity can flow downwards in sequence through the drain pipes after the first electromagnetic valve is opened due to the principle of oil stain floating upwards, and then the water is discharged into the observation cavity through the first electromagnetic valve.

Preferably, the lower wall of second gradation chamber, third gradation chamber, fourth gradation chamber, fifth gradation chamber all is provided with upward floating pipe, is full of sewage in intake antrum, first gradation chamber, second gradation chamber, third gradation chamber, fourth gradation chamber and fifth gradation chamber, and according to the principle of greasy dirt come-up, the greasy dirt can upwards in proper order through the upward floating pipe, carries the greasy dirt in the sewage to the fifth gradation intracavity, then discharges through an oil pipe.

Preferably, the filter frame is inserted in the upper end of the water inlet cavity, sewage entering the water inlet cavity is filtered through the filter frame, and particulate matters in the sewage are filtered.

Preferably, observe the inner wall in chamber and install first solenoid valve, first solenoid valve is full of after sewage at intake antrum, first hierarchical chamber, second hierarchical chamber, third hierarchical chamber, fourth hierarchical chamber and fifth hierarchical intracavity and opens, because the reason of grease come-up, sewage is full of intake antrum, first hierarchical chamber, second hierarchical chamber, third hierarchical chamber, fourth hierarchical chamber, grease can gather at fifth hierarchical intracavity behind the fifth hierarchical chamber, and the intracavity is observed through the drain pipe downwards through first solenoid valve discharge to the water after the separation.

Preferably, the inner wall of treatment chamber is installed the second solenoid valve and is inhaled oil cotton, and the second solenoid valve is opened after observing the intracavity and being full of liquid, because observe the chamber and be full of liquid after, it can float in the upper end to remain the grease, consequently opens the second solenoid valve this moment, lies in and observes intracavity middle level water purification and will discharge into the treatment chamber through the second solenoid valve, then once more through the cotton adsorption filtration of oil absorption, from the water purification pipe discharge.

Preferably, the inner wall of the surface observation cavity of the device body is provided with a transparent observation strip, and the condition in the observation cavity can be observed through the transparent observation strip.

Compared with the prior art, the beneficial effects of the utility model are that: when the device uses, sewage filters the granule through filtering the frame, then get into first hierarchical chamber through the intake antrum, the second hierarchical chamber, the third hierarchical chamber, fourth hierarchical chamber and fifth hierarchical intracavity, according to the principle of greasy dirt come-up, the greasy dirt is discharged through going out the oil pipe and discharging in the fifth hierarchical intracavity through last floating pipe, water after the separation can be discharged through first solenoid valve downwards and observe the intracavity, after observing intracavity liquid and being full of, remaining greasy dirt can gather and observe intracavity inside upper end, open the second solenoid valve this moment, it can discharge into the processing intracavity through the second solenoid valve to observe intracavity middle level separation liquid, filter once more then from the clean water pipe discharge through the oil absorption cotton, with this quality that can effectually improve sewage deoiling through multiple measure.

Drawings

FIG. 1 is a sectional view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention.

In the figure: the device comprises a device body 1, an oil outlet pipe 11, a water purification pipe 12, a secondary oil drainage pipe 13, a transparent observation strip 14, a water inlet cavity 2, a filter frame 21, a first grading cavity 3, a water drainage pipe 31, a second grading cavity 4, an upper floating pipe 41, a third grading cavity 5, a fourth grading cavity 6, a fifth grading cavity 7, an observation cavity 8, a first electromagnetic valve 81, a treatment cavity 9, a second electromagnetic valve 91 and oil absorbent cotton 92.

Detailed Description

Referring to fig. 1 and 2, an oil removing filter for sewage treatment comprises a device body 1, a water inlet cavity 2, a first grading cavity 3, a second grading cavity 4, a third grading cavity 5, a fourth grading cavity 6, a fifth grading cavity 7, an observation cavity 8 and a treatment cavity 9 are arranged in the device body 1, the upper walls of the first grading cavity 3, the second grading cavity 4, the third grading cavity 5 and the fourth grading cavity 6 are inclined upwards towards one side of a floating pipe 41, so that oil stains can go upwards along the inclined tops of the first grading cavity 3, the second grading cavity 4, the third grading cavity 5 and the fourth grading cavity 6 through the floating pipe 41 in sequence, an oil outlet pipe 11, a water purifying pipe 12 and a secondary oil drain pipe valve 13 are arranged on the surface of the device body 1, the oil outlet pipe 11 is positioned at the upper end of the fifth grading cavity 7, the water purifying pipe 12 is positioned at the lower end of the treatment cavity 9, the secondary oil drain pipe valve 13 is positioned at the upper end of the observation cavity 8, when the oil stain in the observation cavity 8 is accumulated to a certain amount, the second electromagnetic valve 91 is closed, and the second oil drain pipe valve 13 is opened, so that the oil stain in the observation cavity 8 can be discharged.

Referring to fig. 1, the upper walls of the first classifying cavity 3, the second classifying cavity 4, the third classifying cavity 5 and the fourth classifying cavity 6 are all provided with a drain pipe 31, and after the water inlet cavity 2, the first classifying cavity 3, the second classifying cavity 4, the third classifying cavity 5, the fourth classifying cavity 6 and the fifth classifying cavity 7 are filled with sewage, water in the water inlet cavity 2, the first classifying cavity 3, the second classifying cavity 4, the third classifying cavity 5, the fourth classifying cavity 6 and the fifth classifying cavity 7 will go down in sequence through the drain pipe 31 after the first electromagnetic valve 81 is opened because of the principle of oil stain floating, and then be discharged into the observation cavity 8 through the first electromagnetic valve 81.

Referring to fig. 1, the lower walls of the second classifying chamber 4, the third classifying chamber 5, the fourth classifying chamber 6 and the fifth classifying chamber 7 are all provided with an upper floating pipe 41, and after the water inlet chamber 2, the first classifying chamber 3, the second classifying chamber 4, the third classifying chamber 5, the fourth classifying chamber 6 and the fifth classifying chamber 7 are filled with sewage, the oil stain is lifted upwards in sequence through the upper floating pipe 41 according to the principle of oil stain floating, so that the oil stain in the sewage is conveyed into the fifth classifying chamber 7 and then discharged through the oil outlet pipe 11.

Referring to fig. 1 and 2, a filter frame 21 is inserted into the upper end of the water inlet cavity 2, and the filter frame 21 filters the sewage entering the water inlet cavity 2 to filter particles in the sewage.

Referring to fig. 1, a first electromagnetic valve 81 is installed on the inner wall of the observation cavity 8, the first electromagnetic valve 81 is opened after the water inlet cavity 2, the first classification cavity 3, the second classification cavity 4, the third classification cavity 5, the fourth classification cavity 6 and the fifth classification cavity 7 are filled with sewage, and because of the floating of grease, the grease is gathered in the fifth classification cavity 7 after the sewage is filled in the water inlet cavity 2, the first classification cavity 3, the second classification cavity 4, the third classification cavity 5, the fourth classification cavity 6 and the fifth classification cavity 7, and the separated water is discharged into the observation cavity 8 through the drain pipe 31 and downward through the first electromagnetic valve 81.

Referring to fig. 1, the second electromagnetic valve 91 and the oil absorbent cotton 92 are installed on the inner wall of the treatment chamber 9, the second electromagnetic valve 91 is opened after the observation chamber 8 is filled with liquid, and since the oil residue floats on the upper end after the observation chamber 8 is filled with liquid, the second electromagnetic valve 91 is opened at this time, the middle layer purified water in the observation chamber 8 is discharged into the treatment chamber 9 through the second electromagnetic valve 91, and then is adsorbed and filtered by the oil absorbent cotton 92 again, and is discharged from the purified water pipe 12.

Referring to fig. 2, a transparent observation strip 14 is installed on the inner wall of the surface observation cavity 8 of the device body 1, and the internal condition of the observation cavity 8 can be observed through the transparent observation strip 14.

The utility model discloses when concrete implementation: when the device is used, when sewage enters the water inlet cavity 2, particles in the sewage are firstly filtered by the filter frame 21, then the sewage enters the first grading cavity 3 through the water inlet cavity 2, then enters the second grading cavity 4, the third grading cavity 5, the fourth grading cavity 6 and the fifth grading cavity 7 through the floating pipe 41 and the drain pipe 31 so as to upwards enter the sewage in the first grading cavity 3, the second grading cavity 4, the third grading cavity 5, the fourth grading cavity 6 and the fifth grading cavity 7 according to the principle of oil stain floating, the oil stain is discharged into the fifth grading cavity 7 through the floating pipe 41 and then discharged through the oil outlet pipe 11, then the first electromagnetic valve 81 is opened, the separated water is downward through the drain pipe 31 and then discharged into the observation cavity 8 through the first electromagnetic valve 81, when the liquid in the observation cavity 8 is full, the residual oil stain is collected to the upper end in the observation cavity 8, at the moment, the second electromagnetic valve 91 is opened, the middle layer separation liquid in the observation cavity 8 is discharged into the treatment cavity 9 through the second electromagnetic valve 91, and then is discharged from the water purification pipe 12 through the oil absorption cotton 92 for adsorption and filtration again, so that the oil removal quality of the sewage can be effectively improved through multiple measures.

Claims (7)

1. The utility model provides a deoiling filter for sewage treatment, includes device body (1), its characterized in that: the inside of device body (1) is provided with intake antrum (2), first hierarchical chamber (3), the hierarchical chamber of second (4), the hierarchical chamber of third (5), the hierarchical chamber of fourth (6), the hierarchical chamber of fifth (7), observes chamber (8) and process chamber (9), the surface of device body (1) is provided with out oil pipe (11), water purification pipe (12) and secondary oil drainage pipe valve (13), go out the upper end of oil pipe (11) position and fifth hierarchical chamber (7), water purification pipe (12) are located the lower extreme of process chamber (9), secondary oil drainage pipe valve (13) are located the upper end of observing chamber (8).

2. The oil removing filter for sewage treatment according to claim 1, wherein: the upper walls of the first grading cavity (3), the second grading cavity (4), the third grading cavity (5) and the fourth grading cavity (6) are provided with drain pipes (31).

3. The oil removing filter for sewage treatment according to claim 1, wherein: the lower walls of the second grading cavity (4), the third grading cavity (5), the fourth grading cavity (6) and the fifth grading cavity (7) are provided with upper floating pipes (41).

4. The oil removing filter for sewage treatment according to claim 1, wherein: the upper end of the water inlet cavity (2) is inserted with a filter frame (21).

5. The oil removing filter for sewage treatment according to claim 1, wherein: a first electromagnetic valve (81) is installed on the inner wall of the observation cavity (8).

6. The oil removing filter for sewage treatment according to claim 1, wherein: the inner wall of the treatment cavity (9) is provided with a second electromagnetic valve (91) and oil absorption cotton (92).

7. The oil removing filter for sewage treatment according to claim 1, wherein: the inner wall of the surface observation cavity (8) of the device body (1) is provided with a transparent observation strip (14).

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