Pretreatment device for leachate of garbage transfer station

Abstract

The utility model discloses a pretreatment device for leachate in a garbage transfer station, which comprises a device body, a water inlet is arranged at the lower part of the device body, a water outlet is arranged at the upper part of the device body, a sludge discharge port is arranged at the bottom of the device body, and a coarse filter screen is arranged in the device body and between the water inlet and the sludge discharge port. A fine filter screen is arranged in the device body and located between the water inlet and the water outlet, a water level sensor is arranged in the device body and located above the water outlet, a sliding plate is slidably installed on the top of the device body, an oil well pump is arranged on the sliding plate and connected with an oil well pipe through a hose, and the oil well pipe is connected with the sliding plate in an up-down sliding mode. The oil pumping pipe penetrates through the device body and extends into the device body, the bottom end of the oil pumping pipe is connected with a floating pipe, and an oil suction opening is formed in the floating pipe. The device is small in size, small in occupied area, low in treatment cost, high in treatment efficiency and beneficial to popularization and application.

Description

TECHNICAL FIELD

[0001] The utility model relates to leachate treatment technical field especially relates to a kind of pretreatment device of garbage transfer station leachate. BACKGROUND

[0002] The treatment of municipal solid waste landfill leachate has been a very thorny problem in landfill design, operation and management, because the leachate contains a large amount of oil stains and impurities, etc., so it needs to be pretreated first, so as to further efficient treatment. The current leachate pretreatment device needs to be connected with multiple equipment, which occupies large area, has high cost and low processing efficiency, and is not conducive to popularization and use. UTILITY MODEL CONTENTS

[0003] The technical problem to be solved by the utility model is to provide a kind of pretreatment device of garbage transfer station leachate, to solve the technical problem of the current leachate pretreatment device in prior art, which occupies large area, has high cost, low processing efficiency and is not conducive to popularization and use.

[0004] The technical scheme of the utility model is: a kind of pretreatment device of garbage transfer station leachate, including device body, the lower part of the device body is equipped with water inlet, the upper part is equipped with water outlet, the bottom of the device body is equipped with sludge discharge port, the inside of the device body between the water inlet and the sludge discharge port is equipped with coarse filter screen, the inside of the device body between the water inlet and the water outlet is equipped with fine filter screen, the inside of the device body above the water outlet is equipped with water level sensor, the top of the device body is slidably installed with sliding plate, the sliding plate is equipped with oil pump, the oil pump is connected with oil extraction pipe by hose, the oil extraction pipe is slidably connected with the sliding plate, the oil extraction pipe passes through the device body and extends into the inside of device body, the bottom end of the oil extraction pipe is connected with float pipe, the float pipe is opened with oil suction port.

[0005] Further, the coarse filter screen is inclined in the utility model, and one end of the coarse filter screen close to the water inlet is higher than the other end.

[0006] Further, the cleaning port is opened above the lower end of the coarse filter screen on the device body in the utility model, the cleaning port is equipped with sealing plate and sealing plug connected with the sealing plate, and the sealing plate is fixedly connected with the device body by locking member.

[0007] Further, the sliding plate is driven to move by air cylinder in the utility model.

[0008] Further, the sliding plate is opened with perforation for the oil extraction pipe to pass through in the utility model, the oil extraction pipe is slidably arranged in the perforation, and the top end of the oil extraction pipe is provided with limiting plate to prevent the oil extraction pipe from falling out of the perforation.

[0009] Further, the perforated hole diameter is larger than the outer tube diameter of the oil pumping tube.

[0010] Further, the device body has a long strip-shaped opening at the top for the oil pumping tube to pass through, and the oil pumping tube can slide left and right along the long strip-shaped opening.

[0011] Further, the length of the floating pipe extends in the front-rear direction, and the oil suction ports are arranged in two rows on the left and right sides of the floating pipe, and the oil suction ports in each row are arranged at equal intervals.

[0012] Compared with the prior art, the pre-treatment device has the following advantages: the pre-treatment device has small volume and occupies less land, after the leachate is introduced, larger impurities can be intercepted between the two filter screens, sludge and smaller impurities can pass through the coarse filter screen and deposit downward, and oil stains float on the surface of the liquid by passing through the fine filter screen; the floating pipe at the top can automatically float up and down according to the liquid level, the oil pumping pump is started and moved left and right during oil pumping, and the oil stains on the surface of the liquid can be pumped into the oil pumping tube through the oil suction ports and discharged, so that the oil stains are quickly cleaned, the sludge and smaller impurities deposited at the bottom can be discharged through the sludge discharge port, and the sealing plate on one side of the coarse filter screen can be opened to clean the impurities accumulated on the coarse filter screen. The pre-treatment device has low processing cost and high processing efficiency, and is conducive to popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the utility model (wherein the dotted line is a water level line);

[0014] Figure 2 is a specific structural schematic view of the floating pipe in the utility model;

[0015] Figure 3 is a use state schematic view of the utility model (wherein the dotted line is a water level line).

[0016] Wherein: 1, device body; 2, water inlet; 3, water outlet; 4, sludge discharge port; 5, coarse filter screen; 6, fine filter screen; 7, water level sensor; 8, sliding plate; 9, oil pumping pump; 10, hose; 11, oil pumping tube; 12, floating pipe; 13, oil suction port; 14, cleaning port; 15, sealing plate; 16, sealing plug; 17, locking piece; 18, limiting plate. DETAILED DESCRIPTION

[0017] The specific embodiments of the utility model will be specifically described below in combination with the drawings.

[0018] Embodiment:

[0019] With reference to the specific embodiments of the pretreatment device for leachate of a garbage transfer station shown in the accompanying drawings, the present application comprises Figure 1 which mainly comprises a device body 1, the lower part of the device body 1 is provided with a water inlet 2, and the upper part is provided with a water outlet 3, and the bottom of the device body 1 is provided with a sludge discharge port 4.

[0020] The inside of the device body 1 is provided with a coarse filter screen 5 between the water inlet 2 and the sludge discharge port 4, the coarse filter screen 5 is arranged obliquely, and the end of the coarse filter screen 5 close to the water inlet 2 is higher than the opposite end. A cleaning port 14 is opened above the lower end of the coarse filter screen 5 on the device body 1, a sealing plate 15 and a sealing plug 16 connected with the sealing plate 15 are arranged in the cleaning port 14, so as to ensure sufficient sealing, the sealing plate 15 is fixedly connected with the device body 1 through a locking piece 17, the locking piece 17 can be a screw, so that the sealing plate 15 and the sealing plug 16 can be disassembled.

[0021] The inside of the device body 1 is provided with a fine filter screen 6 between the water inlet 2 and the water outlet 3, and the water outlet 3 is arranged close to the fine filter screen 6.

[0022] A water level sensor 7 is arranged above the water outlet 3 in the inside of the device body 1, which is used for detecting the water level in the device body 1.

[0023] A sliding plate 8 is slidably installed on the top of the device body 1, the sliding plate 8 is driven by a gas cylinder and can slide left and right, Figure 1 The gas cylinder is not shown in the figure. An oil suction pump 9 is installed on the sliding plate 8, the oil suction pump 9 is connected with an oil suction pipe 11 through a hose 10, a perforation is opened on the sliding plate 8 for the oil suction pipe 11 to pass through, the oil suction pipe 11 is arranged in the perforation and can slide up and down, the diameter of the perforation is larger than the outer diameter of the oil suction pipe 11, so as to avoid the oil suction pipe 11 being stuck in the perforation when sliding up and down, and a limiting plate 18 is arranged at the top end of the oil suction pipe 11 to prevent the oil suction pipe 11 from being pulled out of the perforation.

[0024] The bottom end of the oil suction pipe 11 penetrates the device body 1 and extends into the inside of the device body 1, a long strip-shaped opening is opened on the top of the device body 1 for the oil suction pipe 11 to pass through, Figure 1 The long strip-shaped opening is not shown in the figure. The oil suction pipe 11 can slide left and right along the long strip-shaped opening, and the oil suction pipe 11 can move up and down in the long strip-shaped opening.

[0025] The bottom end of the oil suction pipe 11 is connected with a float pipe 12, the length of the float pipe 12 extends in the front-rear direction, and the two ends of the float pipe 12 extend to the front and rear inner walls of the device body 1 respectively, so as to ensure sufficient oil suction, and an oil suction port 13 is opened on the float pipe 12, Figure 2 As shown in the accompanying drawings, the oil suction port 13 has a plurality of oil suction ports arranged on the left and right sides of the float pipe 12 in two rows, and the oil suction ports in each row are arranged at equal intervals.

[0026] The pretreatment device is used in the utility model, garbage leachate is passed into the device body 1 from the water inlet 2, the larger impurities are intercepted between the coarse filter screen 5 and the fine filter screen 6, sludge and smaller impurities can pass through the coarse filter screen 5 and deposit downwards, and oil stains float on the liquid surface by passing through the fine filter screen 6, when the water level sensor 7 detects the water level signal, stop water inlet, at this time, if Figure 1 The oil stains on the liquid surface are sucked into the float pipe 12 through the oil suction port 13 and then are sucked into the oil suction pipe 11, are sucked out by the oil suction pump 9 through the hose 10, when sucking oil, the cylinder drives the sliding plate 8 to slide rightwards, further drives the float pipe 12 to slide rightwards, the float pipe 12 automatically drops along with the drop of the liquid level, guarantees that the oil stains on the liquid surface are fully and quickly cleaned, and when cleaning is completed, as shown in Figure 3 The filtered filtrate is discharged through the water outlet 3, and the sludge and smaller impurities in the garbage leachate deposit at the bottom and are discharged through the sludge discharge port 4, when the liquid in the device body 1 is discharged, the sealing plate 15 and the sealing plug 16 on one side of the coarse filter screen 5 can be detached, and the impurities accumulated on the coarse filter screen 5 are cleaned through the cleaning port 14.

[0027] Of course, the above embodiment is only for describing the technical concept and characteristics of the utility model, and the purpose is to enable the person skilled in the art to understand the content of the utility model and to implement it, and it cannot limit the protection scope of the utility model. Any modification according to the spirit and essence of the main technical scheme of the utility model should be covered in the protection scope of the utility model.

Claims

1. A device for the pretreatment of leachate from a waste transfer station, characterized in that: The utility model provides a kind of oil pumping device, including device body (1), the lower part of the device body (1) is equipped with water inlet (2), the upper part is equipped with water outlet (3), the bottom of the device body (1) is equipped with sludge discharge port (4), the inside of the device body (1) is located between water inlet (2) and sludge discharge port (4) and is equipped with coarse filter screen (5), the inside of the device body (1) is located between water inlet (2) and water outlet (3) and is equipped with fine filter screen (6), the inside of the device body (1) is located above water outlet (3) and is equipped with water level sensor (7), the top of the device body (1) is slidably installed with sliding plate (8), sliding plate (8) is equipped with oil pump (9), oil pump (9) is connected with oil pumping pipe (11) by hose (10), oil pumping pipe (11) is slidably connected with sliding plate (8) up and down, oil pumping pipe (11) passes through the device body (1) and extends to the inside of device body (1), the bottom end of oil pumping pipe (11) is connected with float pipe (12), and suction port (13) is opened on float pipe (12).

2. The leachate pretreatment device for a waste transfer station according to claim 1, characterized in that: The coarse filter screen (5) is inclined, and the end of the coarse filter screen (5) close to the water inlet (2) is higher than the opposite end.

3. The apparatus for pretreatment of landfill leachate according to claim 2, wherein: A cleaning port (14) is opened above the lower end of the coarse filter screen (5) on the device body (1), the cleaning port (14) is provided with a sealing plate (15) and a sealing plug (16) connected with the sealing plate (15), and the sealing plate (15) is fixedly connected with the device body (1) by a locking member (17).

4. The apparatus for pretreatment of landfill leachate according to claim 1, wherein: The sliding plate (8) is driven to move by a gas cylinder.

5. The apparatus for pretreatment of landfill leachate according to claim 1, wherein: A perforation is opened on the sliding plate (8) for the oil pumping pipe (11) to pass through, and the oil pumping pipe (11) is slidably arranged in the perforation, and a limiting plate (18) is arranged at the top end of the oil pumping pipe (11) to prevent the oil pumping pipe (11) from being pulled out of the perforation.

6. The leachate pretreatment device for a waste transfer station according to claim 5, characterized in that: The diameter of the perforation is larger than the outer diameter of the oil pumping pipe (11).

7. The apparatus for pretreatment of landfill leachate according to claim 1, wherein: A long strip-shaped opening is opened on the top of the device body (1) for the oil pumping pipe (11) to pass through, and the oil pumping pipe (11) can slide left and right along the long strip-shaped opening.

8. The apparatus for pretreatment of landfill leachate according to claim 1, wherein: The length of the float pipe (12) extends in the front-rear direction, and the suction ports (13) are arranged on the left and right sides of the float pipe (12) in two rows, and the suction ports (13) in each row are arranged at equal intervals.

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