Landfill leachate back-spraying treatment device

Abstract

The utility model discloses a landfill leachate back-spraying treatment device which comprises a box body, a partition plate arranged in the box body, a filtering assembly arranged above the partition plate, a liquid inlet pipe connected to the bottom of the outer side face of a liquid storage bin, a liquid pumping pipe arranged at the bottom of the outer side face of the liquid storage bin, a blow-off pipe arranged at the bottom of the outer side face of a filtering bin, and a first electromagnetic valve arranged on the blow-off pipe. A baffle is arranged in the liquid storage bin, a precipitation tank is formed in the baffle, a cleaning assembly is arranged at the top of the inner side of the filtering bin, and a pollution discharge assembly is arranged at the bottom of the filtering bin. According to the landfill leachate back-spraying treatment device disclosed by the utility model, large-particle impurities in landfill leachate are precipitated at the bottom of the precipitation bin through the baffle plate and the precipitation tank, the landfill leachate is filtered through the filter assembly, the filter screen is cleaned through the cleaning assembly, and a good filtering effect of the filter screen is kept; and through the arranged sewage discharging assembly, impurities can be conveniently discharged out of the box body, and the device is simple in structure and high in practicability.

Description

Technical Field

[0001] This utility model relates to the field of waste treatment technology, and in particular to a waste leachate re-spraying treatment device. Background Technology

[0002] During the process of waste dumping and landfilling, due to biochemical degradation processes such as compaction and fermentation, as well as the seepage of rainwater and groundwater, a liquid with a high concentration of organic or inorganic components is produced, which is called landfill leachate. In order to ensure the stability of waste treatment, the leachate needs to be sprayed back into the incinerator and incinerated by atomization, which can reduce environmental pollution.

[0003] Current leachate treatment devices have the following shortcomings: the leachate contains a large number of solid particles, and direct re-spraying can easily cause blockage, requiring filtration. However, existing leachate tanks mostly use fixedly installed filter screens for filtration, but the filter screens become clogged after long-term use, which greatly reduces the filtration effect. Furthermore, the impurities filtered by the filter screens are not easy to discharge, reducing the practicality of the device. Utility Model Content

[0004] To address the aforementioned shortcomings in the existing technology, this utility model provides a landfill leachate re-spraying treatment device. Its purpose is to solve the problem that leachate contains a large number of solid particles, and direct re-spraying can easily cause blockage, requiring filtration treatment. However, existing leachate boxes mostly use fixedly installed filter screens for filtration, but the filter screens become clogged after long-term use, which greatly reduces the filtration effect. Furthermore, the impurities filtered by the filter screens are not easy to discharge, reducing the practicality of the device.

[0005] To achieve the aforementioned objectives, the technical solution adopted by this utility model is as follows:

[0006] A landfill leachate recirculation treatment device includes a housing, a partition inside the housing dividing the housing into a filtration chamber and a storage chamber, a filtration assembly above the partition, an inlet pipe connected to the bottom outer side of the storage chamber, a suction pipe located at the bottom outer side of the storage chamber, a drain pipe located at the bottom outer side of the filtration chamber with a first solenoid valve, a baffle plate inside the filtration chamber with a sedimentation tank, a cleaning assembly at the top inner side of the filtration chamber, and a drain assembly at the bottom of the filtration chamber.

[0007] Furthermore, the sedimentation tank is stepped.

[0008] Furthermore, the filter assembly includes a frame inserted into the top of the housing, a sealing strip between the frame and the housing, a filter screen on the frame, a top plate fixedly installed on the top of the frame, a handle fixedly installed on the top of the top plate, and the top plate and the housing are fixedly connected by bolts.

[0009] Furthermore, the frame is inserted into the partition.

[0010] Furthermore, the cleaning assembly includes a first motor fixedly installed on the top of the housing, a lead screw fixedly connected to the output shaft of the first motor, a brush threadedly connected to the lead screw, the brush being disposed in contact with the filter screen, a first fixing plate fixedly disposed on the partition, the end of the lead screw away from the first fixing plate being rotatably connected to the first fixing plate, two symmetrically arranged second fixing plates disposed on the partition, a guide rod fixedly disposed on the second fixing plate, and the guide rod being slidably connected to the brush.

[0011] Furthermore, the sewage discharge assembly includes a second motor fixedly installed on the bottom of the outer side of the housing, and an auger fixedly connected to the output shaft of the second motor, with one end of the auger away from the second motor extending into the sewage discharge pipe.

[0012] Furthermore, a baffle is provided at the bottom of the filter chamber.

[0013] Furthermore, a U-shaped tube is connected to the partition, and a second solenoid valve is installed on the U-shaped tube.

[0014] The beneficial effects of this utility model are as follows:

[0015] This utility model discloses a landfill leachate re-spraying treatment device. Through the setting of baffles and sedimentation tank, larger particles of impurities in the landfill leachate are settled at the bottom of the sedimentation tank. The set of filter components filters the landfill leachate. The set of cleaning components cleans the filter screen to maintain a good filtration effect. The set of sewage discharge components facilitates the discharge of impurities from the tank. This device has a simple structure and is highly practical. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 3 This is a cross-sectional structural diagram of the present invention.

[0019] Appendix Label Reference Table:

[0020] 1. Housing; 2. Partition; 3. Filter chamber; 4. Liquid storage chamber; 5. Filter assembly; 501. Frame; 502. Sealing strip; 503. Filter screen; 504. Top plate; 505. Handle; 6. Liquid inlet pipe; 7. Liquid extraction pipe; 8. Cleaning assembly; 801. First motor; 802. Lead screw; 803. Brush; 804. First fixing plate; 805. Second fixing plate; 806. Guide rod; 9. Sewage discharge assembly; 901. Second motor; 902. Screw auger; 10. Baffle; 11. Sedimentation tank; 12. Sewage discharge pipe; 13. First solenoid valve; 14. Stop block; 15. U-tube; 16. Second solenoid valve. Detailed Implementation

[0021] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals.

[0022] It should be noted that the terms “front,” “back,” “left,” “right,” “up,” and “down” used in the following description refer to the directions shown in the attached diagram, while the terms “inside” and “outside” refer to the directions toward or away from the geometric center of a specific component, respectively.

[0023] To make the content of this utility model easier to understand, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0024] like Figures 1 to 3 As shown, a landfill leachate re-spraying treatment device includes a housing 1, and a partition 2 is provided inside the housing 1, which divides the housing 1 into a filter chamber 3 and a storage chamber 4.

[0025] The bottom of the outer side of the storage tank 4 is connected to the inlet pipe 6, and the landfill leachate enters the filter tank 3 through the inlet pipe 6.

[0026] A baffle 10 is installed inside the filter chamber 3. A sedimentation tank 11 is provided on the baffle 10. The sedimentation tank 11 is stepped and prevents larger impurities in the landfill leachate from rising and causing them to settle at the bottom of the filter chamber 3.

[0027] A filter assembly 5 is provided above the partition 2. The filter assembly 5 includes a frame 501 inserted into the top of the box 1. The frame 501 is inserted into the partition 2. A sealing strip 502 is provided between the frame 501 and the box 1. A filter screen 503 is provided on the frame 501. A top plate 504 is fixedly provided on the top of the frame 501. A handle 505 is fixedly provided on the top of the top plate 504. The top plate 504 is fixedly connected to the box 1 by bolts.

[0028] The filter assembly 5 and filter screen 503 filter the landfill leachate. The filtered landfill leachate enters the storage tank 4. The frame 501 is detachable, which facilitates the replacement and cleaning of the filter screen 503.

[0029] A cleaning assembly 8 is provided on the top of the inner side of the filter chamber 3. The cleaning assembly 8 includes a first motor 801 fixedly installed on the top of the housing 1. A lead screw 802 is fixedly connected to the output shaft of the first motor 801. The lead screw 802 is a reciprocating lead screw. A brush 803 is threadedly connected to the lead screw 802. The brush 803 is in contact with the filter screen 503. A first fixing plate 804 is fixedly installed on the partition 2. The end of the lead screw 802 away from the first fixing plate 804 is rotatably connected to the first fixing plate 804. Two symmetrically arranged second fixing plates 805 are provided on the partition 2. A guide rod 806 is fixedly installed on the second fixing plate 805. The guide rod 806 is slidably connected to the brush 803.

[0030] After prolonged filtration, impurities accumulate on the filter screen 503. Through the cleaning component 8, the first motor 801 drives the lead screw 802 to rotate, and the lead screw 802 drives the brush 803 to move up and down to clean the filter screen 503 and maintain its good filtration effect.

[0031] A drain pipe 12 is provided on the bottom of the outer side of the filter chamber 3. A first solenoid valve 13 is provided on the drain pipe 12. A drain assembly 9 is provided at the bottom of the filter chamber 3. The drain assembly 9 includes a second motor 901 fixedly installed on the bottom of the outer side of the housing 1. An auger 902 is fixedly connected to the output shaft of the second motor 901. The end of the auger 902 away from the second motor 901 extends into the drain pipe 12. A baffle 14 is provided at the bottom of the filter chamber 3.

[0032] When the impurities in the filter chamber 3 increase, the first solenoid valve 13 is opened, and the second motor 901 drives the auger 902 to rotate, and the auger 902 transports the impurities out of the drain pipe 12.

[0033] A U-shaped tube 15 is connected to the partition 2, and a second solenoid valve 16 is installed on the U-shaped tube 15. When impurities are discharged, the second solenoid valve 16 is opened. As the liquid level in the filter chamber 3 drops, the liquid in the storage chamber 4 is drawn into the filter chamber 3 by the siphon principle to rinse the filter chamber 3.

[0034] The bottom of the outer side of the storage tank 4 is equipped with a liquid extraction pipe 7. The filtered leachate is discharged from the liquid extraction pipe 7 and can be directly sprayed back into the incinerator.

[0035] The above description is only a preferred embodiment of this utility model patent and is not intended to limit this utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this utility model patent should be included within the protection scope of this utility model patent.

Claims

1. A landfill leachate re-spraying treatment device, characterized in that, The utility model provides a filter, including box (1), be provided with the baffle (2) in box (1), the baffle (2) divides box (1) into filter storehouse (3) and liquid storage storehouse (4), be provided with filter assembly (5) on the baffle (2) top, the liquid inlet pipe (6) is connected to the bottom of the liquid storage storehouse (4) outside face, be provided with the liquid pumping pipe (7) on the bottom of the liquid storage storehouse (4) outside face, be provided with the blowdown pipe (12) on the bottom of the filter storehouse (3) outside face, be provided with first solenoid valve (13) on the blowdown pipe (12), be provided with baffle (10) in the filter storehouse (3), be provided with sedimentation groove (11) on the baffle (10), be provided with cleaning assembly (8) on the filter storehouse (3) inboard top, be provided with blowdown assembly (9) on the filter storehouse (3) bottom.

2. The device for treating landfill leachate according to claim 1, characterized in that: The sedimentation groove (11) is in a stepped shape.

3. The device for treating landfill leachate according to claim 1, characterized in that: The filter assembly (5) includes a frame (501) inserted into the top of the box (1), a sealing strip (502) is arranged between the frame (501) and the box (1), a filter screen (503) is arranged on the frame (501), a top plate (504) is fixedly arranged on the top of the frame (501), a handle (505) is fixedly arranged on the top of the top plate (504), and the top plate (504) is fixedly connected to the box (1) by bolts.

4. The apparatus according to claim 3, wherein: The frame (501) is inserted into the baffle (2).

5. The apparatus for treating landfill leachate by recirculation according to claim 3, wherein: The cleaning assembly (8) includes a first motor (801) fixedly installed on the top of the box (1), a lead screw (802) is fixedly connected to the output shaft of the first motor (801), a brush (803) is threadedly connected to the lead screw (802), the brush (803) is arranged in abutment with the filter screen (503), a first fixed plate (804) is fixedly arranged on the baffle (2), one end of the lead screw (802) away from the first fixed plate (804) is rotatably connected to the first fixed plate (804), two second fixed plates (805) are symmetrically arranged on the baffle (2), a guide rod (806) is fixedly arranged on the second fixed plate (805), and the guide rod (806) is slidably connected to the brush (803).

6. The apparatus according to claim 1, wherein: The blowdown assembly (9) includes a second motor (901) fixedly installed on the bottom of the outer side of the box (1), an auger (902) is fixedly connected to the output shaft of the second motor (901), and one end of the auger (902) away from the second motor (901) extends into the blowdown pipe (12).

7. The apparatus according to claim 1, wherein the apparatus is characterized by: The filter storehouse (3) is provided with a stop block (14) at the bottom.

8. The apparatus according to claim 1, wherein: A U-shaped pipe (15) is connected to the baffle (2), and a second solenoid valve (16) is arranged on the U-shaped pipe (15).

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