CN210393819U

CN210393819U - Oil-water separation device for landfill leachate

Info

Publication number: CN210393819U
Application number: CN201921317400.XU
Authority: CN
Inventors: 黄敏; 李滔; 李凡; 周甜
Original assignee: Hunan Tianwei Environmental Protection Technology Co Ltd
Current assignee: Hunan Tianwei Environmental Protection Technology Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-04-24
Anticipated expiration: 2029-08-14

Abstract

The utility model relates to the field of landfill leachate treatment, in particular to an oil-water separation device for landfill leachate, which comprises a scum separation box and an oil-water separation box, wherein the water outlet of the scum separation box is connected with the water inlet of the oil-water separation box, a porous scum partition plate is horizontally arranged in the scum separation box, one side of the lower surface of the scum partition plate is provided with a guide rail, the guide rail is movably connected with a wall scraping knife, and one side of the wall scraping knife is in contact with the lower surface of the scum partition plate; scum cavities are respectively formed in two sides of the inner part of the scum separation box, the scum cavities are communicated with the inner part of the scum separation box, and the communication port is positioned below the scum partition plate; the oil-water separation tank is internally provided with a corrugated plate, and meshes are uniformly formed in the corrugated plate. The utility model discloses can effectively get rid of the dross, the speed of water oil separating with higher speed to guarantee the purity of the grease that separates out.

Description

Oil-water separation device for landfill leachate

Technical Field

The utility model relates to a landfill leachate's processing field, concretely relates to landfill leachate's oil-water separator.

Background

Garbage produces a large amount of landfill leachate easily at the in-process of handling, and landfill leachate directly discharges and will seriously pollute the environment not handling to be rich in a large amount of grease in the landfill leachate of some fields, for example kitchen garbage, grease directly discharges and still can lead to the waste of resource. The kitchen waste mainly comprises rice flour, vegetables, plants and grease thereof, and animals and grease thereof, and the animal and plant grease is a resource which can be recycled after being treated. At present, a standing method or a centrifugal method is mainly used for oil-water separation in leachate, and because the leachate contains a large amount of impurities such as particulate matters, in the oil-water separation process, the particulate matters are gathered together to generate scum, so that the separated oil is impure.

Disclosure of Invention

In order to solve the technical problem of the existence, the utility model discloses a can get rid of the dross that contains in the filtration liquid to and make the oil-water separator of the more thorough filtration liquid of oil-water separation. The specific technical scheme is as follows:

an oil-water separation device for garbage leachate comprises a scum separation box and an oil-water separation box, wherein a water outlet of the scum separation box is connected with a water inlet of the oil-water separation box, a leachate inlet is formed in one side, away from the water outlet, of the scum separation box, an oil discharge port and a water discharge port are respectively formed in one side, away from the water inlet, of the oil-water separation box, a porous scum partition plate is horizontally arranged in the scum separation box, a guide rail is installed on one side of the lower surface of the scum partition plate, a wall scraping knife is movably connected onto the guide rail, and one side of the wall scraping knife is in contact with the lower surface of the scum; scum cavities are respectively formed in two sides of the inner part of the scum separation box, the scum cavities are communicated with the inner part of the scum separation box, and the communication port is positioned below the scum partition plate; the oil-water separation tank is internally provided with a corrugated plate, and meshes are uniformly formed in the corrugated plate.

Further, the buckled plate includes two sinuous corrugated plates and at least a slice of vertical buckled plate, two sinuous corrugated plates are close to the water inlet and the outlet of water oil separating tank respectively, vertical buckled plate is located between two sinuous corrugated plates.

Furthermore, the bent corrugated plates are S-shaped, and the two bent corrugated plates are symmetrical to each other.

Furthermore, a movable piston rod is arranged in the scum cavity, the head of the piston rod faces the inside of the scum cavity, and a water filtering hole communicated with the inside of the scum separating box is arranged at the bottom of the scum cavity.

Furthermore, the periphery of the scum partition plate is fixedly connected with the side wall of the scum separation box respectively, the scum partition plate divides the scum separation box into an upper space and a lower space, and the water outlet of the scum separation box is higher than the scum partition plate.

Furthermore, a motor is connected to the wall scraping knife and controls the wall scraping knife to move back and forth along the guide rail.

Furthermore, a scum collecting ball for adsorbing scum is arranged in the scum cavity.

Further, the slag collecting ball is a porous sponge.

Has the advantages that: the utility model discloses an aspect prevents through the dross division board that the dross gets into in oil water separator, and the dross that rethread skimming knife gathers on the dross division board is pushed to the dross intracavity of both sides, and the sediment ball that collects in the dross intracavity can adsorb a large amount of dross, and the piston rod can send the filtration liquid that gets into the dross intracavity into the dross separator box once more and form the circulation purification; on the other hand forms the gathering of turbulent flow reinforcing grease through the buckled plate, and the grease gathers into the back of group and more easily with separation of water and floats to the surface of water upper strata to dross can prevent after the separation that dross from causing the jam to the buckled plate mesh, the utility model discloses can make oil-water separation more thorough, and the grease after the oil-water separation is purer.

Drawings

FIG. 1 is a schematic diagram of an external structure of an oil-water separation device according to an embodiment of the present invention;

fig. 2 is a schematic front view of a dross separating box according to an embodiment of the invention;

fig. 3 is a schematic view of the internal structure of the oil-water separating tank according to the embodiment of the present invention.

Reference numerals: 1-a scum separation box; 2-an oil-water separation tank; 11-leachate inlet; 12-a scum chamber; 13-a piston rod; 14-a scum splitter plate; 15-a guide rail; 16-a wall scraping knife; 17-collecting slag balls; 21-oil drain port; 22-a water outlet; 23-a curved corrugated plate; 24-vertical corrugated plate.

Detailed Description

In the following, the technical solutions in the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, an oil-water separation device for landfill leachate includes a scum separation box 1 and an oil-water separation box 2, the scum separation box 1 has a specification of 800 × 300 × 600mm, a water outlet is disposed on a side surface of the scum separation box 1, the water outlet is disposed on a side surface of 800mm in length, the scum separation box 1 is connected with a water inlet of the oil-water separation box 2 through the water outlet, a leachate inlet 11 is disposed on a side of the scum separation box 1 away from the water outlet, an oil discharge port 21 and a water discharge port 22 are respectively disposed on a side of the oil-water separation box 2 away from the water inlet, the oil discharge port 21 is close to a top of the oil-water separation box 2, the water discharge port 22 is close to a bottom of the oil-water separation box 2, as shown in fig. 2, a horizontal scum partition plate 14 is disposed inside the scum separation box 1, the delivery port of dross separator box 1 is located the space of last one deck, has seted up a plurality of holes that are used for filtering the dross on the dross division board 14, guide rail 15 is installed to one side of dross division board 14, mobilizable wall scraping knife 16 of installing on the guide rail 15, wall scraping knife 16 can follow guide rail 15 reciprocating motion through motor control, dross chamber 12 has been seted up respectively to the inside both sides of dross separator box 1, and dross chamber 12 sets up on the side that the width is 300 mm. The scum scraper 16 pushes scum attached to the scum partition plate 14 into the scum cavities 12 at two sides by moving, a movable piston rod 13 is arranged above the scum cavity 12, the piston rod 13 is controlled by an external motor, the head of the piston rod 13 faces the inside of the scum cavity 12, a water filtering hole communicated with the scum separation box 1 is arranged below the scum cavity 12, and a sponge scum collecting ball 17 for adsorbing the scum is arranged in the scum separation box 1; when the scraper 16 moves towards one scum cavity 12, the piston rod 13 in the scum cavity 12 moves upwards, and when the scraper 16 moves towards the other scum cavity 12, the piston rod 13 in the scum cavity 12 moves downwards to form the percolate circulating flow in the scum separating box 1, so that scum is further screened.

As shown in fig. 3, two curved corrugated plates 23 and two vertical corrugated plates 24 are further disposed in the oil-water separation tank 2, the curved corrugated plates 23 are S-shaped, the two curved corrugated plates 23 are respectively disposed on the water inlet side and the water outlet 22 side of the oil-water separation tank 2 and are symmetrical to each other, and the vertical corrugated plates 24 are disposed between the two curved corrugated plates 23; the curved corrugated plate 23 and the vertical corrugated plate 24 are respectively and uniformly provided with meshes. Make the inside production torrent of oil water separator box 2 through crooked form buckled plate 23 and vertical form buckled plate 24 to accelerate the enrichment between the grease through the mesh, make the more rapid separation of profit form oil reservoir and water layer.

The working process is as follows: firstly, the leachate is introduced into the scum separation box 1 through a leachate inlet 11, when the leachate passes through the scum partition plate 14, scum is gathered on the lower surface of the scum partition plate 14, the gathered scum is pushed into the scum cavity 12 and is adsorbed by the scum collecting ball 17 through the reciprocating movement of the scum knife 16, and the leachate in the scum cavity 12 enters the scum separation box 1 again under the pushing of the piston rod 13 to form a circular screening process; the oil-water mixture after the scum is screened enters the oil-water separation tank 2, and water flow forms turbulent flow under the action of the bent corrugated plates 23 and the vertical corrugated plates 24 on the two sides, so that the oil and water are separated in an accelerated manner, and finally, the oil and the water are discharged through the oil discharge port 21 and the water discharge port 22 respectively.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An oil-water separation device for landfill leachate comprises a scum separation box (1) and an oil-water separation box (2), wherein a water outlet of the scum separation box (1) is connected with a water inlet of the oil-water separation box (2), a leachate inlet (11) is arranged on one side, away from the water outlet, of the scum separation box (1), an oil discharge port (21) and a water discharge port (22) are respectively arranged on one side, away from the water inlet, of the oil-water separation box (2), and the oil-water separation device is characterized in that a porous scum partition plate (14) is horizontally arranged in the scum separation box (1), a guide rail (15) is installed on one side of the lower surface of the scum partition plate (14), a wall scraping knife (16) is movably connected onto the guide rail (15), and one side of the scraping wall knife (16) is in contact with the lower; scum cavities (12) are respectively formed in two sides of the interior of the scum separation box (1), the scum cavities (12) are communicated with the interior of the scum separation box (1), and the communication port is positioned below the scum partition plate (14); be provided with the buckled plate in oil water separating tank (2), the mesh has evenly been seted up on the buckled plate.

2. The oil-water separation device for landfill leachate of claim 1, wherein: the buckled plate includes two curved buckled plate (23) and at least a slice vertical buckled plate (24), water inlet and outlet (22) that two curved buckled plate (23) are close to water oil separating tank (2) respectively, vertical buckled plate (24) are located between two curved buckled plate (23).

3. The oil-water separation device for landfill leachate of claim 2, wherein: the bent corrugated plates (23) are S-shaped, and the two bent corrugated plates (23) are symmetrical to each other.

4. The oil-water separation device for landfill leachate of claim 1, wherein: the scum chamber (12) is internally provided with a movable piston rod (13), the head of the piston rod (13) faces the scum chamber (12), and the bottom of the scum chamber (12) is provided with water filtering holes communicated with the inside of the scum separating box (1).

5. The oil-water separation device for landfill leachate of claim 1, wherein: the periphery of the scum separating plate (14) is fixedly connected with the side wall of the scum separating box (1) respectively, the scum separating plate (14) separates the scum separating box (1) into an upper space and a lower space, and the water outlet of the scum separating box (1) is higher than the scum separating plate (14).

6. The oil-water separation device for landfill leachate of claim 1, wherein: the wall scraping knife (16) is connected with a motor, and the motor controls the wall scraping knife (16) to move back and forth along the guide rail (15).

7. The oil-water separation device for landfill leachate of claim 1, wherein: and a scum collecting ball (17) for adsorbing scum is arranged in the scum cavity (12).

8. The oil-water separation device for landfill leachate of claim 1, wherein: the slag collecting ball (17) is a porous sponge.