CN216571946U - Oil-water separation tank for oilfield sewage treatment - Google Patents

Abstract

The utility model provides an oil-water separation tank for oilfield sewage treatment, which comprises an oil removal tank and a collection tank, wherein a filter channel is arranged between the oil removal tank and the collection tank, three groups of clamping grooves are arranged in the filter channel, a first frame, a second frame and a third frame are sequentially clamped in the clamping grooves from one side of the oil removal tank to one side of the collection tank, a coarse filter screen and a fine filter screen are respectively arranged in the first frame and the second frame, and the upper ends of the first frame and the second frame are respectively provided with a vibration device; the vibrating device comprises an L-shaped mounting rod, one side of the mounting rod, which faces the filter screen, is connected with a waterproof cover, a movable plate slides in the waterproof cover, an expansion spring is connected between the movable plate and the inner side wall of the waterproof cover, and the other side of the movable plate is provided with a vibrating rod; and two fine filter screens are arranged in the third frame, and an adsorption filter material layer is filled between the two fine filter screens. The utility model has good filtering effect and is convenient for replacing the filter screen and the filter material.

Description

Oil-water separation tank for oilfield sewage treatment

Technical Field

The utility model mainly relates to the technical field of oilfield sewage treatment, in particular to an oil-water separation tank for oilfield sewage treatment.

Background

China has wide oil field distribution and spreads all over northeast, northeast China, southwest, China and southeast coastal areas. At present, most oil fields enter the middle stage and the later stage of oil exploitation, the water content of the extracted crude oil reaches 70% -80%, the water content of some oil fields reaches even 90%, and a large amount of oily sewage is generated after oil-water separation. If the oily sewage is directly discharged without being treated, not only can the soil and water source be polluted, but also sometimes even the burning accident of the dirty oil can be caused, the life safety of people is threatened, the national economic loss is caused, and the benefits of the oil field can be damaged. The oil-water separation pool is widely applied to oil-water separation of oily water containing various mineral oils (except crude oil and emulsified oil), vegetable oil, animal oil or a mixture thereof.

Because the sewage is produced from an oil layer, the main purposes of the treatment of oilfield reinjection sewage are oil removal and suspended matter removal. In general terms, sewage treatment can be divided into two stages, the first stage being an oil removal stage, which separates oil from water; the second stage is a filtration stage, which is to prevent solids, oil and other impurities from passing through the filter bed. For example, application number is CN 201922470116.2's patent application, including the main part, one side through connection of main part has the inlet tube, and the outlet pipe has been run through to one side that the inlet tube was kept away from to the main part, and the main part openly runs through there is the blow off pipe, and the upper end activity nested connection of main part has the apron, and the lower extreme of apron is installed and is run through the pole, and the outside of running through the pole is around having the collection frame, is provided with and runs through the pole. Only filter through the filter screen, the filter effect is general, and the filter screen is not convenient for change, leads to oil field sewage treatment effect general.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an oil-water separation tank for oilfield sewage treatment, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

an oil-water separation tank for oilfield sewage treatment comprises an oil removal tank and a collection tank, wherein a filter channel is arranged between the oil removal tank and the collection tank, three groups of clamping grooves are formed in the filter channel, a first frame, a second frame and a third frame are sequentially clamped in the clamping grooves from one side of the oil removal tank to one side of the collection tank, a coarse filter screen and a fine filter screen are respectively arranged in the first frame and the second frame, and vibration devices are respectively arranged at the upper ends of the first frame and the second frame; the vibrating device comprises an L-shaped mounting rod, one side of the mounting rod, facing the filter screen, is connected with a waterproof cover, a movable plate slides in the waterproof cover, an expansion spring is connected between the movable plate and the inner side wall of the waterproof cover, and the other side of the movable plate is provided with a vibrating rod; and two fine filter screens are arranged in the third frame, and an adsorption filter material layer is filled between the two fine filter screens.

Preferably, a water suction pump is arranged on one side of the oil removal tank, the input end of the water suction pump is connected with a connecting pipeline, and the other end of the connecting pipeline is located inside the oil removal tank.

Preferably, a water inlet is formed in the side wall of the filter channel, and the output end of the water suction pump is connected with the water inlet.

Preferably, the bottom wall of the filter channel is inclined and is from high to low from the side of the oil removal tank to the side of the collection tank.

Preferably, the shield and the vibrator wand are both in contact with the sieve.

Preferably, an opening is formed in the upper end of the third frame, and a sealing plate is installed in the opening.

Compared with the prior art, the utility model has the beneficial effects that:

impurities in the sewage are not filtered through the coarse filter screen and the fine filter screen, and suspended solids, oil and other impurities in the sewage are adsorbed on the surface of the filter material through the adsorption filter material layer and the fine filter screen, so that the filtering effect is fully ensured; the vibration rod vibrates to drive the coarse filter screen and the fine filter screen to vibrate, so that blockage caused by foreign matter jamming of the coarse filter screen and the fine filter screen can be effectively avoided, the filter effect is influenced, and the filter effect is further improved; through taking out first frame, second frame and third frame, can change, it is convenient to use, opens the closing plate, is convenient for change the adsorption filtration bed.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of a filter channel according to the present invention;

FIG. 3 is a schematic view of the internal structure of the waterproof case of the present invention;

fig. 4 is a schematic view of the internal structure of the third frame according to the present invention.

In the figure: 1. an oil removal tank; 11. a water pump; 12. connecting a pipeline; 2. a collection tank; 3. a filter channel; 31. a water inlet; 32. a card slot; 33. a first frame; 34. a second frame; 35. a third frame; 36. coarse filtration; 37. fine filtering net; 4. a vibration device; 41. mounting a rod; 42. a waterproof cover; 43. moving the plate; 44. a tension spring; 45. a vibration rod; 5. adsorbing a filter material layer; 51. a fine filter screen; 52. an opening; 53. and (7) sealing the plate.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present invention provides a technical solution: the utility model provides an oil-water separation tank for oilfield sewage treatment, includes deoiling pond 1 and collecting pit 2, be equipped with filter path 3 between deoiling pond 1 and the collecting pit 2, 3 diapalls of filter path are the slope form, and from deoiling pond 1 one side to collecting pit 2 one side by the height to the low, and 3 diapalls of filter path are the slope form, and the sewage of being convenient for flows. 1 one side in deoiling pond is equipped with suction pump 11, the 11 inputs of suction pump are connected with connecting tube 12, the connecting tube 12 other end is located 1 insides in deoiling pond, water inlet 31 has been seted up on 3 lateral walls in filter way, 11 outputs of suction pump and water inlet 31 are connected, start suction pump 11, can take out 1 inside sewage with the oil separation in deoiling pond to send into filter way 3.

Please refer to fig. 1, 2 and 4, three sets of slots 32 are disposed inside the filter channel 3, a first frame 33, a second frame 34 and a third frame 35 are sequentially clamped inside the sets of slots 32 from the oil removing tank 1 side to the collecting tank 2 side, and the first frame 33, the second frame 34 and the third frame 35 are taken out to be replaced, so that the use is convenient. First frame 33 and second frame 34 are inside to be equipped with coarse filter 36 and fine filter 37 respectively, third frame 35 internally mounted has two fine filter 51, two it has adsorption filter material layer 5 to fill between the fine filter 51. Through coarse strainer 36 and fine strainer 37, not letting impurity in the sewage let through the filtration, through adsorbing filter material layer 5 and fine strainer 51, with suspended solid, oil and other impurity in the sewage adsorb the surface at the filter material, fully guaranteed the filter effect. An opening 52 is formed in the upper end of the third frame 35, a sealing plate 53 is installed inside the opening 52, and the sealing plate 53 is opened, so that the adsorption filter material layer 5 can be conveniently replaced.

Please refer to fig. 1-3, the upper ends of the first frame 33 and the second frame 34 are both provided with a vibration device 4, the vibration device 4 includes an L-shaped installation rod 41, one side of the installation rod 41 facing to the filter screen is connected with a waterproof cover 42, the waterproof cover 42 can prevent sewage from affecting the vibration rod 45, a moving plate 43 slides inside the waterproof cover 42, a telescopic spring 44 is connected between the inner side walls of the moving plate 43 and the waterproof cover 42, the telescopic spring 44 and the moving plate 43 cooperate with the vibration rod 45 to ensure effective movement of the vibration rod 45 and contact between the vibration rod 45 and the filter screen, the other side of the moving plate 43 is provided with the vibration rod 45, the waterproof cover 42 and the vibration rod 45 are both in contact with the filter screen, the vibration rod 45 vibrates to drive the coarse filter screen 36 and the fine filter screen 37 to vibrate, so as to effectively prevent the coarse filter screen 36 and the fine filter screen 37 from being blocked by foreign matters, resulting in clogging and affecting the filtration effect.

The specific operation mode of the utility model is as follows:

when using, start suction pump 11, take out the inside sewage with separating with the oil of deoiling pond 1, and send into filter path 3, through coarse strainer 36 and fine filter 37, let impurity in the sewage let pass through and filter, through adsorbing filter bed 5 and fine filter 51, with the suspended solid in the sewage, oil and other impurity adsorb in the surface of filter material, filter effect has fully been guaranteed, and vibrations stick 45 shakes, drive coarse strainer 36 and fine filter 37 vibrations, can effectively avoid coarse strainer 36 and fine filter 37 to be blocked by the foreign matter, lead to blockking up, influence filter effect, through with first frame 33, second frame 34 and third frame 35 take out, can change, and is convenient to use, open closing plate 53, be convenient for change adsorbing filter bed 5.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims (6)

1. The utility model provides an oil water separating tank for oilfield sewage treatment, includes deoiling pond (1) and collecting pit (2), its characterized in that: a filter channel (3) is arranged between the oil removal tank (1) and the collection tank (2), three groups of clamping grooves (32) are arranged in the filter channel (3), a first frame (33), a second frame (34) and a third frame (35) are sequentially clamped in the clamping grooves (32) from one side of the oil removal tank (1) to one side of the collection tank (2), a coarse filter screen (36) and a fine filter screen (37) are respectively arranged in the first frame (33) and the second frame (34), and vibration devices (4) are respectively arranged at the upper ends of the first frame (33) and the second frame (34);

the vibrating device (4) comprises an L-shaped mounting rod (41), one side, facing the filter screen, of the mounting rod (41) is connected with a waterproof cover (42), a moving plate (43) slides inside the waterproof cover (42), an expansion spring (44) is connected between the moving plate (43) and the inner side wall of the waterproof cover (42), and the other side of the moving plate (43) is provided with a vibrating rod (45);

the third frame (35) internally mounted has two fine filter screens (51), two it has absorption filter material layer (5) to fill between fine filter screen (51).

2. The oil-water separation tank for oilfield sewage treatment as defined in claim 1, wherein: remove oil pond (1) one side and be equipped with suction pump (11), suction pump (11) input is connected with connecting tube (12), the connecting tube (12) other end is located inside removing oil pond (1).

3. The oil-water separation tank for oilfield sewage treatment as defined in claim 2, wherein: a water inlet (31) is formed in the side wall of the filter channel (3), and the output end of the water suction pump (11) is connected with the water inlet (31).

4. The oil-water separation tank for oilfield sewage treatment as defined in claim 1, wherein: the bottom wall of the filter channel (3) is inclined and extends from one side of the oil removal tank (1) to one side of the collection tank (2) from high to low.

5. The oil-water separation tank for oilfield sewage treatment as defined in claim 1, wherein: the waterproof cover (42) and the vibration rod (45) are both in contact with the filter screen.

6. The oil-water separation tank for oilfield sewage treatment as defined in claim 1, wherein: an opening (52) is formed in the upper end of the third frame (35), and a sealing plate (53) is installed in the opening (52).

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