CN212881415U

CN212881415U - Penetrating fluid collecting and draining device for refuse landfill

Info

Publication number: CN212881415U
Application number: CN202021379877.3U
Authority: CN
Inventors: 肖光婷; 江大水; 陶俊波; 罗文姬; 徐菲
Original assignee: Zhongcheng Jianshengyi Shenzhen Environmental Technology Co ltd
Current assignee: Zhongcheng Jianshengyi Shenzhen Environmental Technology Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-06
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a drainage guide device is collected to landfill penetrant, including landfill, rubbish layer, permeable formation and filtration liquid collecting pipe, the landfill has the rubbish layer in the landfill, is provided with the drainage layer below the rubbish layer, and the lower terminal surface on drainage layer is provided with the permeable formation to install the filtration liquid collecting pipe in the permeable formation. This drainage device is collected to landfill penetrant, the structure sets up rationally, water filtering layer and permeable formation are used for filtering and infiltration use, the penetrant after conveniently filtering enters into in the leachate collecting pipe, so that the conveyer pipe that connects through leachate collecting pipe right part is discharged, avoid storing up the landfill penetrant in landfill yard bottom, first bed course, the second bed course, third bed course and basic unit are used for the prevention of seepage and permeate the use, the convenient better natural soil who maintains the lower floor, reduce the pollution of rubbish to the natural soil of lower floor, help better processing landfill penetrant.

Description

Penetrating fluid collecting and draining device for refuse landfill

Technical Field

The utility model relates to a technical field is collected to the penetrant, specifically is a drainage guide device is collected to refuse landfill penetrant.

Background

With the rapid development of society and the improvement of living standard, the output of municipal solid waste is getting larger and larger, the disposal of solid waste becomes a pressing task, the municipal solid waste is increased at a speed of 8% -10% per year on average, the domestic solid waste invades a large amount of land, seriously harms the urban environmental sanitation, worsens living conditions, the municipal solid waste has become a very prominent urban environmental problem and hinders the construction and development of cities, the methods for disposing the municipal solid waste are many, such as sanitary landfill, composting, incineration, anaerobic fermentation, pyrolysis, etc., the solid waste landfill method has been widely used in the solid waste disposal due to the advantages of mature technology, low disposal cost, convenient management and transportation, etc., the solid waste can generate a high-concentration organic waste water due to the effects of compaction, fermentation and water seepage during the stacking and landfill processes, i.e. permeate, which however directly climbs into the ground or river, causing contamination of the ground soil.

In order to solve the defects and the defects of the landfill garbage penetrating fluid treatment, the structure is reasonable, the water filtering layer and the permeable layer are used for filtering and permeating, the penetrating fluid after filtering conveniently enters the percolate collecting pipe, so that the penetrating fluid is discharged through the conveying pipe connected to the right part of the percolate collecting pipe, the garbage penetrating fluid is prevented from being accumulated at the bottom of the landfill garbage, the first cushion layer, the second cushion layer, the third cushion layer and the base layer are used for preventing permeation, the natural soil of the lower layer is conveniently and better maintained, the pollution of garbage to the natural soil of the lower layer is reduced, the better treatment of the garbage penetrating fluid is facilitated, and the penetrating fluid collecting and draining device of the landfill garbage is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming not setting up penetrant processing structure in the landfill site of prior art, during landfill penetrant directly climbs into ground or river for ground soil receives the defect of pollution, provides a landfill penetrant and collects drainage guide device. The utility model provides a refuse landfill penetrant is collected and is led drainage device has that the structure sets up rationally, water filtering layer and permeable formation are used for filtering and the infiltration use, the penetrant after convenient the filtration enters into in the leachate collecting pipe, so that the conveyer pipe that connects through leachate collecting pipe right part is discharged, avoid storing up the landfill penetrant bottom in refuse landfill, first bed course, the second bed course, third bed course and basic unit are used for the prevention of seepage and permeate the use, the convenient better natural soil who maintains the lower floor, reduce the pollution of rubbish to the natural soil of lower floor, help characteristics such as better processing landfill penetrant.

In order to achieve the above object, the utility model provides a following technical scheme: a refuse landfill penetrating fluid collecting and guiding device comprises a refuse landfill, a refuse layer, a penetration layer and a penetrating fluid collecting pipe, wherein the refuse layer is buried in the refuse landfill, a water filtering layer is arranged below the refuse layer, the lower end surface of the water filtering layer is provided with the penetration layer, the penetrating fluid collecting pipe is arranged in the penetration layer, and meanwhile, a plurality of groups of protective covers are covered on a pipe body of the penetrating fluid collecting pipe;

the lower terminal surface of permeable formation is provided with first bed course, and the lower terminal surface of first bed course is provided with the second bed course to the lower terminal surface of second bed course is provided with the third bed course, and the lower terminal surface of transportation third bed course is provided with the basic unit.

Preferably, the water filtering layer is made of spinning water filtering cloth, and the spinning water filtering cloth is made of a water-permeable geosynthetic material.

Preferably, the permeable formation adopts the cobble material, and what the first bed course that the lower terminal surface of permeable formation set up adopted is 2.0mmHDPE geomembrane.

Preferably, the second cushion layer is made of synthetic fiber geotextile, and the third cushion layer on the lower end face of the second cushion layer is made of GCL Peng moist soil ground mat.

Preferably, a penetration surface is arranged on the upper end surface of the pipe body of the percolate collecting pipe in the penetration layer, the protective cover covers the penetration surface, and a plurality of groups of gaps are formed in the upper part of the protective cover.

Preferably, the right part of leachate collecting pipe is connected with the conveyer pipe, and the bottom of conveyer pipe stretches into in the leachate collecting pipe to install the water pump on the conveyer pipe, and leachate collecting pipe and conveyer pipe all adopt the PVC material.

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

1. the penetrating fluid collecting and draining device for the refuse landfill is reasonable in overall structure arrangement, an upper base layer, a third cushion layer, a second cushion layer, a first cushion layer, a permeable layer and a water filtering layer are sequentially arranged in the refuse layer of the refuse landfill from bottom to top, the water filtering layer and the permeable layer are used for filtering and permeating, filtered penetrating fluid can conveniently enter a penetrating fluid collecting pipe so as to be discharged through a conveying pipe connected with the right part of the penetrating fluid collecting pipe, and the penetrating fluid is prevented from being accumulated at the bottom of the refuse landfill;

2. first bed course, second bed course, third bed course and basic unit are used for the prevention of seepage to pass through the use, and the natural soil of convenient better maintenance lower floor reduces rubbish to the pollution of lower floor natural soil, helps better processing rubbish penetrant.

Drawings

FIG. 1 is a schematic view of the leachate collecting pipe of the structure of the present invention in front view after installation;

FIG. 2 is a left side view of the leachate collecting pipe of the structure of the present invention after installation;

FIG. 3 is a schematic front view of the percolate collecting pipe with the structure of the utility model;

fig. 4 is a schematic view of the leachate collecting pipe in the structure of the present invention from above.

Reference numbers in the figures: 1. the garbage layer, 2, the drainage layer, 3, the permeable formation, 4, the filtration liquid collecting pipe, 5, the protection casing, 6, first bed course, 7, the second bed course, 8, the third bed course, 9, the basic unit, 10, conveyer pipe, 11, space, 12, the infiltration face, 13, landfill yard.

Detailed Description

The technical solutions in the embodiments of the present invention will be 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 a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a refuse landfill penetrating fluid collecting and guiding device comprises a refuse layer 1, a water filtering layer 2, a permeable layer 3, a penetrating fluid collecting pipe 4, a protective cover 5, a first cushion layer 6, a second cushion layer 7, a third cushion layer 8, a base layer 9, a conveying pipe 10, a gap 11, a penetrating surface 12 and a refuse landfill 13, wherein the refuse layer 1 is embedded in the refuse landfill 13, the lower surface of the refuse layer 1 is provided with the water filtering layer 2, the water filtering layer 2 is made of spinning water filtering cloth, the spinning water filtering cloth is made of a water-permeable geosynthetic material, the lower end surface of the water filtering layer 2 is provided with the permeable layer 3, the permeable layer 3 is made of pebble material, the first cushion layer 6 arranged on the lower end surface of the permeable layer 3 is made of 2.0mm HDPE geomembrane, the penetrating fluid collecting pipe 4 is arranged in the permeable layer 3, the penetrating surface 12 is arranged on the upper end surface of the pipe body of the penetrating fluid collecting pipe 4 in the penetrating layer 3, and multiunit space 11 has been seted up on the upper portion of protection casing 5, the right part of filtration liquid collecting pipe 4 is connected with conveyer pipe 10, and the bottom of conveyer pipe 10 stretches into in the filtration liquid collecting pipe 4, and install the water pump on the conveyer pipe 10, and filtration liquid collecting pipe 4 and conveyer pipe 10 all adopt the PVC material, be covered with multiunit protection casing 5 on filtration liquid collecting pipe 4's the body simultaneously, the lower terminal surface of permeable formation 3 is provided with first bed course 6, and the lower terminal surface of first bed course 6 is provided with second bed course 7, and the lower terminal surface of second bed course 7 is provided with third bed course 8, second bed course 7 adopts synthetic fiber's geotechnique cloth, and the third bed course 8 of terminal surface adopts GCL Peng moist soil to fill up under the second bed course 7, the lower terminal surface of transportation third bed.

As shown in fig. 1-4, the overall structure of the device is shown, an upper base layer 9, a third cushion layer 8, a second cushion layer 7, a first cushion layer 6, a permeable layer 3 and a water filtering layer 2 are sequentially arranged in a refuse layer 1 of the device from bottom to top, the water filtering layer 2 and the permeable layer 3 are used for filtering and permeating, filtered refuse penetrating fluid can conveniently enter a percolate collecting pipe 4 so as to be discharged through a conveying pipe 10 connected to the right part of the percolate collecting pipe 4, and refuse penetrating fluid is prevented from being accumulated at the bottom of the refuse landfill 13;

first bed course 6, second bed course 7, third bed course 8 and basic unit 9 are used for the prevention of seepage to pass through the use, and the natural soil of convenient better maintenance lower floor reduces rubbish to the pollution of lower floor natural soil, helps better processing rubbish penetrant.

The working principle is as follows: when using this guiding and discharging device is collected to landfill penetrant, the penetrant in the landfill layer 1 of landfill in the landfill 13 is through filtering filtration water layer 2's filtration, penetrant after the filtration flows in the permeable formation 3, because what permeable formation 3 adopted is the pebble material, make things convenient for top penetrant to permeate in the leachate collecting pipe 4, in the middle of the long-term accumulation process, can discharge the landfill penetrant in the leachate collecting pipe 4 through the conveyer pipe 10 that leachate collecting pipe 4 right part is connected, first bed course 6 has set gradually under the permeable formation 3 lower extreme face, second bed course 7 and third bed course 8, be used for the prevention of seepage to pass through the setting, it is corrosion-resistant, the brute force is all higher, and is more durable, so as to keep apart the penetrant on upper strata, reduce as far as possible and permeate toward below basic unit 9, so as to better maintain the soil of.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leading and discharging device is collected to landfill penetrant, includes landfill (13), rubbish layer (1), permeable formation (3) and leachate collecting pipe (4), its characterized in that: the garbage landfill site (13) is internally buried with a garbage layer (1), a water filtering layer (2) is arranged below the garbage layer (1), a permeable layer (3) is arranged on the lower end face of the water filtering layer (2), a percolate collecting pipe (4) is arranged in the permeable layer (3), and a plurality of groups of protective covers (5) are covered on the pipe body of the percolate collecting pipe (4);

the lower terminal surface of permeable formation (3) is provided with first bed course (6), and the lower terminal surface of first bed course (6) is provided with second bed course (7), and the lower terminal surface of second bed course (7) is provided with third bed course (8), and the lower terminal surface of transportation third bed course (8) is provided with basic unit (9).

2. The landfill permeate collection and drainage device of claim 1, wherein: spinning water filtering cloth is selected as the water filtering layer (2), and the spinning water filtering cloth is made of a water-permeable geosynthetic material.

3. The landfill permeate collection and drainage device of claim 1, wherein: the permeable formation (3) is made of pebble, and the first cushion layer (6) arranged on the lower end face of the permeable formation (3) is made of 2.0mm of HDPE geomembrane.

4. The landfill permeate collection and drainage device of claim 1, wherein: the second cushion layer (7) is made of synthetic fiber geotextile, and the third cushion layer (8) on the lower end face of the second cushion layer (7) is made of GCL Peng moist soil ground mat.

5. The landfill permeate collection and drainage device of claim 1, wherein: the infiltration layer is characterized in that an infiltration surface (12) is arranged on the upper end face of the pipe body of the infiltration layer collecting pipe (4) in the infiltration layer (3), the protective cover (5) covers the infiltration surface (12), and a plurality of groups of gaps (11) are formed in the upper portion of the protective cover (5).

6. The landfill permeate collection and drainage device of claim 1, wherein: the right part of leachate collecting pipe (4) is connected with conveyer pipe (10), and the bottom of conveyer pipe (10) stretches into in leachate collecting pipe (4) to install the water pump on conveyer pipe (10), and leachate collecting pipe (4) and conveyer pipe (10) all adopt the PVC material.