CN221372383U

CN221372383U - Landfill leachate extraction device

Info

Publication number: CN221372383U
Application number: CN202322910488.9U
Authority: CN
Inventors: 谢坤; 徐宁俊; 李彤
Original assignee: Jiangsu Zhongfu Runcheng Ecological Environment Co ltd
Current assignee: Jiangsu Zhongfu Runcheng Ecological Environment Co ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-07-19
Anticipated expiration: 2033-10-30

Abstract

The utility model discloses a landfill leachate extraction device, which relates to the technical field of landfill, and comprises a landfill, wherein the landfill is divided into a landfill area and a monitoring well, a filtering structure and an auxiliary structure are arranged in the landfill area, the filtering structure corresponds to the auxiliary structure, a liquid extraction structure is arranged in the monitoring well, the auxiliary structure comprises an anti-blocking component and an anti-sedimentation component, the anti-blocking component comprises a lifting component, the lifting component is provided with an anti-blocking component, the anti-sedimentation component comprises a moving component, and the moving component is provided with a cleaning component. According to the utility model, the garbage blocked in the filter holes can be ejected, so that the filter plate is prevented from being blocked to influence the filtration and circulation of the garbage percolate, the extraction of the garbage percolate in the later stage is facilitated, the precipitated garbage can be scraped up, and the garbage can be extracted out of a landfill along with the extraction of the garbage percolate, so that the storage volume of the garbage percolate is prevented from being excessively reduced.

Description

Landfill leachate extraction device

Technical Field

The utility model relates to the technical field of landfill sites, in particular to a leachate extraction device of a landfill site.

Background

The common methods for garbage disposal mainly comprise a landfill method, an incineration power generation method and a composting method, wherein the landfill is still the most main method for solving the problem of household garbage in most cities in China, but garbage percolate occurs when garbage is treated by the landfill method, and the garbage percolate is high-concentration organic wastewater which is formed by deducting saturated water holding capacity of garbage and an overburden layer and passing through the garbage layer and the overburden layer and is derived from water contained in the garbage landfill, rain and snow water and other water entering the landfill.

Since landfill leachate may pollute surface water and groundwater, and garbage decay is accelerated if the garbage is soaked in water for a long time, so that irritant gases such as methane, hydrogen sulfide and the like are generated to pollute the surrounding air, the landfill leachate needs to be pumped out.

At present, when refuse leachate is treated, a filter plate is arranged in a refuse landfill pool so as to separate solid and liquid in refuse, and then separated refuse leachate is extracted, but in the process of refuse accumulation, refuse can block filter holes on the filter plate so that refuse leachate cannot be separated downwards, and thus the extraction of refuse leachate is influenced.

Disclosure of utility model

The utility model aims to solve the defects of the prior art in the background technology and provides a landfill leachate extraction device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a landfill leachate extraction device, includes the landfill, the landfill divide into landfill district and monitoring well, be equipped with filtration and auxiliary structure in the landfill district, and filtration and auxiliary structure are corresponding, be equipped with the drawing liquid structure in the monitoring well, auxiliary structure is including preventing stifled part and anti-settling part, anti-blocking part includes lifting unit, be equipped with anti-blocking subassembly on the lifting unit, anti-settling part includes moving assembly, the last cleaning assembly that is equipped with of moving assembly.

Preferably, the filter structure comprises two filter plates fixedly connected with a landfill area, two filter plates are arranged between the two filter plates, a bottom plate is arranged below the two filter plates, the two filter plates and the bottom plate incline downwards towards the monitoring well, a plurality of filter holes are formed in the two filter plates, and a notch is formed in one side of each of the two filter plates.

The arrangement of the filtering structure can separate the solid and the liquid in the garbage so as to facilitate the extraction of the subsequent garbage percolate.

Preferably, the liquid pumping structure comprises a vertical pipe, two transverse pipes are fixedly connected to the vertical pipe, a control valve is arranged on each transverse pipe, and one end of each transverse pipe penetrates through the monitoring well and is communicated with the landfill area.

The liquid pumping structure is used for extracting the liquid pumping structure.

Preferably, the lifting assembly comprises two groups of fixed plates fixedly connected with the monitoring well, each group of fixed plates consists of two fixed plates, the two groups of fixed plates are respectively connected with a connecting rod and a first screw rod in a rotating mode, the top of each fixed plate is fixedly connected with a first motor, the top of each first screw rod penetrates through the fixed plate and is fixedly connected with the output end of the corresponding first motor, the connecting rods and the first screw rods are respectively connected with two sliding blocks in a sliding mode and in a threaded mode, two sliding blocks are fixedly connected with connecting plates on one side of each sliding block, and the connecting plates penetrate through the monitoring well.

The lifting component can control the movement of the anti-blocking component, so that the first filter plate and the second filter plate are prevented from being blocked.

Preferably, the anti-blocking assembly comprises two mounting plates fixedly connected with the sliding blocks, a plurality of first inserting rods are fixedly connected to the tops of the two mounting plates, a plurality of second inserting rods are fixedly connected to the bottoms of the mounting plates, located below, of the mounting plates, and the first inserting rods and the second inserting rods are respectively corresponding to the first filter plate and the second filter plate.

The anti-blocking assembly is arranged to eject the solid in the filter hole, thereby avoiding blocking.

Preferably, the moving assembly comprises a second motor fixedly connected with the landfill area, the output end of the second motor is fixedly connected with a second screw rod, the other end of the second screw rod is rotationally connected with the landfill area, the landfill area is fixedly connected with a protection box, and the second motor is located in the protection box.

The movement assembly is configured to control movement of the cleaning assembly.

Preferably, the cleaning assembly comprises a moving plate in threaded connection with the second screw rod and two circular rings, wherein the two circular rings are positioned on two sides of the moving plate and are in rotary connection with the moving plate, a plurality of protruding blocks are fixedly connected to the bottom of the moving plate, and a hairbrush is fixedly connected to one side of the circular rings.

The setting of cleaning assembly can scrape the solid that deposits on the bottom plate, makes it follow the drawing liquid structure and take out.

The utility model has at least the following beneficial effects:

1. The utility model provides a landfill leachate extraction device, through filtration, drainage structure and auxiliary structure's setting, can be ejecting with the rubbish of stifled inside the filtration pore to prevent that the filter plate from blockking up and influencing the filtration and the circulation of landfill leachate, be favorable to the extraction of later stage landfill leachate.

2. The utility model provides a landfill leachate extraction device, through the setting of anti-settling part, can scrape the rubbish of deposit to along with the extraction of landfill leachate, prevent that the deposit from too much reducing the storage volume of landfill leachate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of an auxiliary structure according to the present utility model;

FIG. 4 is a schematic view of a filter structure according to the present utility model;

FIG. 5 is an exploded view of the anti-blocking component of the present utility model;

Fig. 6 is an exploded view of the anti-settling member of the present utility model.

In the figure: 1. a landfill; 101. a landfill; 102. monitoring the well; 2. a filtering structure; 201. a first filter plate; 202. a second filter plate; 203. a bottom plate; 204. filtering holes; 205. a notch; 3. a liquid pumping structure; 301. a standpipe; 302. a transverse tube; 303. a control valve; 4. an auxiliary structure; 5. an anti-blocking member; 501. a lifting assembly; 5011. a fixing plate; 5012. a connecting rod; 5013. a first screw rod; 5014. a motor I; 5015. a slide block; 5016. a connecting plate; 502. an anti-blocking assembly; 5021. a mounting plate; 5022. a number I inserted link; 5023. a second inserting rod; 6. an anti-settling member; 601. a moving assembly; 6011. a motor II; 6012. a second screw rod; 6013. a protective case; 602. a cleaning assembly; 6021. moving the plate; 6022. a bump; 6023. a circular ring; 6024. a brush.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-6, a landfill leachate extraction device comprises a landfill 1, wherein the landfill 1 is divided into a landfill area 101 and a monitoring well 102, a water level detector is arranged on a wall body, close to the landfill area 101, in the monitoring well 102, and is positioned between a second filter plate 202 and a first filter plate 201 positioned below the second filter plate 202, the water level detector is not shown in the figure, the water level detector is of the prior art, a filter structure 2 and an auxiliary structure 4 are arranged in the landfill area 101, the filter structure 2 corresponds to the auxiliary structure 4, the landfill area 101 is divided into a landfill layer, an impermeable layer, an under-film detection layer and an emergency guide layer by the filter structure 2, a liquid extraction structure 3 is arranged in the monitoring well 102, the auxiliary structure 4 comprises an anti-blocking component 5 and an anti-sedimentation component 6, the anti-blocking component 5 comprises a lifting component 501, the lifting component 501 is provided with an anti-blocking component 601, the anti-sedimentation component 6 comprises a moving component 601, and the moving component 601 is provided with a cleaning component 602.

The filtering structure 2 comprises two first filter plates 201 fixedly connected with the landfill area 101, a second filter plate 202 is arranged between the two first filter plates 201, a bottom plate 203 is arranged below the two first filter plates 201, the second filter plates 202 and the bottom plate 203 incline downwards towards the monitoring well 102, a plurality of filter holes 204 are formed in the first filter plates 201 and the second filter plates 202, the filter holes 204 correspond to the inserting rods, a notch 205 is formed in one side of the second filter plates 202, and the notch 205 corresponds to a transverse pipe 302 positioned below.

The liquid pumping structure 3 comprises a vertical pipe 301, two transverse pipes 302 are fixedly connected to the vertical pipe 301, a control valve 303 is arranged on each transverse pipe 302, and one end of each transverse pipe 302 penetrates through the monitoring well 102 and is communicated with the landfill 101.

The lifting assembly 501 comprises two groups of fixing plates 5011 fixedly connected with the monitoring well 102, each group of fixing plates 5011 is composed of two fixing plates 5011, a connecting rod 5012 and a first screw rod 5013 are respectively connected between the two groups of fixing plates 5011 in a rotating mode, a first motor 5014 is fixedly connected to the top of each fixing plate 5011, the first motor 5014 is the prior art, the top of each first screw rod 5013 penetrates through the fixing plate 5011 and is fixedly connected with the output end of the corresponding first motor 5014, two sliding blocks 5015 are respectively connected to the connecting rod 5012 and the first screw rod 5013 in a sliding mode and are in threaded connection, a connecting plate 5016 is fixedly connected to one side of each two sliding blocks 5015, each connecting plate 5016 penetrates through the monitoring well 102, a through hole is formed in the wall of the monitoring well 102, the through hole corresponds to the connecting plate 5016, the width of each sliding block 5015 is larger than the width of the through hole, and when the connecting plate 5016 moves to the top or the bottom, the bottoms or the tops of the sliding blocks 5015 are located below or above the through holes.

The anti-blocking component 502 comprises two mounting plates 5021 fixedly connected with sliding blocks 5015, a plurality of first inserting rods 5022 are fixedly connected to the tops of the two mounting plates 5021, a plurality of second inserting rods 5023 are fixedly connected to the bottoms of the mounting plates 5021 located below in the two mounting plates 5021, the first inserting rods 5022 and the second inserting rods 5023 correspond to the first filter plate 201 and the second filter plate 202 respectively, in a normal state, a movable gap is reserved between the first inserting rods 5022 and the second inserting rods 5023 and the first filter plate 201 and the second filter plate 202, the bottoms of the second inserting rods 5023 are inclined planes, and the inclination direction and the inclination angle are the same as those of the second filter plate 202.

The moving assembly 601 includes a No. two motor 6011 fixedly connected to the landfill area 101, the No. two motor 6011 is in the prior art, and No. two motor 6011 is not much stated herein, an output end of the No. two motor 6011 is fixedly connected to a No. two screw 6012, another end of the No. two screw 6012 is rotationally connected to the landfill area 101, the landfill area 101 is fixedly connected to a protection box 6013, and the No. two motor 6011 is located in the protection box 6013, and two ends of the No. two screw 6012 all penetrate through the protection box 6013 and are rotationally connected thereto.

The cleaning assembly 602 comprises a moving plate 6021 in threaded connection with a second screw 6012 and two circular rings 6023, wherein the two circular rings 6023 are positioned on two sides of the moving plate 6021 and are in rotary connection with the moving plate 6021, a plurality of protruding blocks 6022 are fixedly connected to the bottom of the moving plate 6021, the bottoms of the protruding blocks 6022 are in contact with the bottom plate 203, a hairbrush 6024 is fixedly connected to one side of the circular rings 6023, and the hairbrush 6024 corresponds to the second screw 6012.

Liquid in rubbish can filter through filter plate 201 and drip down when using to fall on bottom plate 203, because there is less granule dust and piece etc. in the rubbish, consequently filtration pore 204 can take place to block up in the in-process of using, at this moment the timing control motor 5014 takes screw 5013 to rotate about, and slider 5015 can reciprocate when screw 5013 rotates, thereby take anti-blocking assembly 502 to reciprocate, and anti-blocking assembly 502 in-process No. one inserted bar 5022 and No. two inserted bars 5023 can wear filtration pore 204 in proper order and extend partly, thereby will block up the rubbish in filtration pore 204 and take place to block up with No. two filter plates 202.

The ejected garbage can be deposited downwards through the filtering holes 204 and falls on the bottom plate 203, when the garbage percolate is extracted, the motor 6011 # two is controlled to rotate back and forth along with the screw 6012 # two, so that the moving plate 6021 moves forwards and backwards along with the protruding block 6022, the protruding block 6022 scrapes the deposited garbage in the moving process, at the moment, the garbage can be extracted along with the garbage percolate, and the storage space of the garbage percolate is prevented from being excessively reduced by the precipitate.

And the water level monitor can detect the water level when using, when the water level surpasses two horizontal pipes 302, two horizontal pipes 302 can extract the landfill leachate simultaneously, and when landfill leachate is less than the horizontal pipe 302 that is located the top and has reached landfill leachate extraction time, can use the horizontal pipe 302 that is located the below to extract.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a landfill leachate extraction device, includes landfill (1), its characterized in that, landfill (1) divide into landfill district (101) and monitoring well (102), be equipped with filtration (2) and auxiliary structure (4) in landfill district (101), and filtration (2) and auxiliary structure (4) are corresponding, be equipped with in monitoring well (102) drawing liquid structure (3), auxiliary structure (4) are including preventing stifled part (5) and preventing precipitation part (6), prevent stifled part (5) including lifting unit (501), be equipped with on lifting unit (501) and prevent stifled subassembly (502), prevent precipitation part (6) are including moving subassembly (601), be equipped with on moving subassembly (601) and clean subassembly (602).

2. The landfill leachate extraction device according to claim 1, wherein the filtering structure (2) comprises two first filter plates (201) fixedly connected with the landfill area (101), two second filter plates (202) are arranged between the first filter plates (201), a bottom plate (203) is arranged below the first filter plates (201), the second filter plates (202) and the bottom plate (203) incline downwards towards the monitoring well (102), a plurality of filter holes (204) are formed in the first filter plates (201) and the second filter plates (202), and a notch (205) is formed in one side of each second filter plate (202).

3. The landfill leachate extraction device according to claim 2, wherein the drainage structure (3) comprises a vertical pipe (301), two transverse pipes (302) are fixedly connected to the vertical pipe (301), a control valve (303) is arranged on each transverse pipe (302), and one end of each transverse pipe (302) penetrates through the monitoring well (102) and is communicated with the landfill region (101).

4. A landfill leachate extraction device according to claim 3, wherein the lifting assembly (501) comprises two groups of fixing plates (5011) fixedly connected with the monitoring well (102), each group of fixing plates (5011) consists of two fixing plates (5011), a connecting rod (5012) and a first screw rod (5013) are respectively and rotatably connected between the two groups of fixing plates (5011), a first motor (5014) is fixedly connected to the top of the fixing plates (5011), the top of the first screw rod (5013) penetrates through the fixing plates (5011) and is fixedly connected with the output end of the first motor (5014), two sliding blocks (5015) are respectively and slidably connected and threadably connected to the connecting rod (5012) and the first screw rod (5013), one side of each sliding block (5015) is fixedly connected with a connecting plate (5016), and the connecting plate (5016) penetrates through the monitoring well (102).

5. The landfill leachate extraction device according to claim 4, wherein the anti-blocking component (502) comprises two mounting plates (5021) fixedly connected with the sliding blocks (5015), a plurality of first inserting rods (5022) are fixedly connected to the tops of the two mounting plates (5021), a plurality of second inserting rods (5023) are fixedly connected to the bottoms of the mounting plates (5021) located below the two mounting plates (5021), and the first inserting rods (5022) and the second inserting rods (5023) respectively correspond to the first filter plate (201) and the second filter plate (202).

6. The landfill leachate extraction device according to claim 5, wherein the moving assembly (601) comprises a second motor (6011) fixedly connected with the landfill area (101), an output end of the second motor (6011) is fixedly connected with a second screw (6012), the other end of the second screw (6012) is rotatably connected with the landfill area (101), the landfill area (101) is fixedly connected with a protection box (6013), and the second motor (6011) is located in the protection box (6013).

7. The landfill leachate extraction device according to claim 6, wherein the cleaning assembly (602) comprises a moving plate (6021) in threaded connection with a second screw rod (6012) and two circular rings (6023), the two circular rings (6023) are located on two sides of the moving plate (6021) and are in rotary connection with the moving plate, a plurality of protruding blocks (6022) are fixedly connected to the bottom of the moving plate (6021), and a hairbrush (6024) is fixedly connected to one side of the circular rings (6023).