CN217251447U

CN217251447U - Solid waste landfill purification structure for household garbage

Info

Publication number: CN217251447U
Application number: CN202220580417.XU
Authority: CN
Inventors: 桑驰; 姚梦娇; 封洪峰; 仲崇有; 胡卫峰; 王有理; 杨汉荣; 曹振亚
Original assignee: Suzhou Gold Mantis Green Landscape Ltd Co
Current assignee: Suzhou Gold Mantis Green Landscape Ltd Co
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-08-23
Anticipated expiration: 2032-03-16

Abstract

The utility model discloses a solid useless landfill purification structure of domestic waste, it includes the landfill, be provided with the impervious blanket on the landfill, be provided with first filter layer on the impervious blanket, be provided with first rete on the first filter layer, be provided with the blind ditch on the first rete, be provided with the second filter layer in the blind ditch, be provided with the third filter layer on the second filter layer, be provided with the filling layer on the third filter layer, be provided with the soil horizon on the filling layer, plant on the soil horizon, be provided with a plurality of water conservancy diversion ditches on the soil horizon, the water conservancy diversion ditch is linked together with the escape canal, the circumference of landfill is arranged along the drainage canal, the delivery port intercommunication escape canal of blind ditch, escape canal intercommunication sewage treatment pond, the escape canal is provided with a plurality of honeycomb ducts with the one side that the landfill links to each other, the one end of honeycomb duct extends to get into the landfill. The utility model discloses can solve the landfill leachate and invade the problem of water and shallow groundwater on every side.

Description

Solid waste landfill purification structure for household garbage

Technical Field

The utility model belongs to the technical field of the landfill, especially, relate to a solid useless landfill purification structure of domestic waste.

Background

The environment protection construction of rural areas in China is far behind that of cities, in recent years, no solid waste collection and disposal system is basically established in rural areas, so that serious environmental problems are caused, a large amount of domestic solid wastes are generated, and the rural domestic solid wastes have the characteristics of multiple components, complex properties and the like. And because villagers have low environmental awareness, solid waste is difficult to collect and transport, and a solid waste treatment mode is not ideal enough, the pollution problem of the solid waste in rural life is more severe, the soil is seriously polluted, the solid waste and harmful substances contained in leaching and percolate of the solid waste can change the property and the soil structure of the soil and can influence the activity of microorganisms in the soil, the harmful substances entering the soil can hinder the development and growth of plant root systems, and can be accumulated in plant organisms at the same time, and the health of animals and human bodies is endangered through food chains.

The pollution of the simple landfill to the environment is serious at present. Although it no longer landfills the rural solid waste, the solid waste that has been landfilled inside its heap may always cause harm to the external environment. The simple landfill in the abandoned rural area usually lacks a landfill pollution protection facility, and after rainfall, a large amount of landfill leachate generated at the bottom and in the lateral direction of the landfill usually invades surrounding water bodies and shallow groundwater in the form of surface overflow, so that the surrounding groundwater, surface water and soil are polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the purification structure of the solid waste landfill of the household garbage is provided for solving the problem that leachate of the landfill invades surrounding water bodies and shallow groundwater.

In order to achieve the above object, the utility model provides a solid waste landfill purification structure of domestic garbage, which comprises a landfill, wherein a watertight layer is arranged on the landfill, a first filter layer is arranged on the watertight layer, a first mulching layer is arranged on the first filter layer, a blind ditch is arranged on the first mulching layer, a second filter layer is arranged in the blind ditch, a third filter layer is arranged on the second filter layer, a filling layer is arranged on the third filter layer, a soil layer is arranged on the filling layer, plants are planted on the soil layer, a plurality of diversion ditches are arranged on the soil layer, the diversion ditches are communicated with drainage ditches, the drainage ditches are arranged along the circumferential direction of the landfill, water outlets of the blind ditches are communicated with the drainage ditches, the drainage ditches are communicated with a sewage treatment pool, and one side of the drainage ditches, which is connected with the landfill, is provided with a plurality of diversion pipes, one end of the draft tube extends into the landfill.

As a further description of the above technical solution:

the depth of the drainage ditch is greater than the landfill depth of the landfill site.

As a further description of the above technical solution:

the honeycomb duct is provided with a plurality of water inlets, and the water inlets are provided with filter screens.

As a further description of the above technical solution:

the first filter layer is an activated carbon layer.

As a further description of the above technical solution:

and the filling layer is provided with a plurality of water collecting wells, and the diversion trench is communicated with the water collecting wells.

As a further description of the above technical solution:

one side and the bottom of the blind ditch relative to the landfill site are both provided with a mixed soil layer, and one side of the mixed soil layer is provided with a second ground layer.

As a further description of the above technical solution:

and a plurality of exhaust pipes are arranged on the landfill site, and one ends of the exhaust pipes extend out of the soil layer.

As a further description of the above technical solution:

the second filter layer is a gravel layer, and the third filter layer is a fine sand layer.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: the upper surface of the landfill is provided with the filling layer, the soil layer is laid on the surface of the filling layer, and plants are planted on the soil layer, so that rainwater can be prevented from permeating into the landfill and greening can be achieved; through set up the round escape canal around the landfill, can prevent peripheral water infiltration landfill, can prevent during the expert that the infiltration in the landfill from getting into peripheral soil, infiltration in the landfill can flow into the escape canal through honeycomb duct discharge, flows into the sewage treatment pond at last and handles.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a purification structure of a solid waste landfill of household garbage.

Fig. 2 is a top view of a purification structure of a solid waste landfill of household garbage.

Fig. 3 is a schematic structural view of a flow guide pipe in a purification structure of a solid waste landfill of household garbage.

Illustration of the drawings:

1. burying in a landfill; 2. a water impermeable layer; 3. a first filter layer; 4. a first geomembrane layer; 5. blind ditches; 6. a second filter layer; 7. a third filter layer; 8. a filling layer; 9. a soil layer; 10. a flow guide groove; 11. a drainage ditch; 12. a flow guide pipe; 121. a water inlet hole; 13. a water collecting well; 14. mixing a mud layer; 15. a second subterranean zone; 16. And (4) exhausting the gas.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the terms "upper", "inner" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the utility model provides a solid waste landfill purification structure for domestic garbage, comprising a landfill 1, wherein the landfill 1 is provided with a watertight layer 2, the watertight layer 2 is provided with a first filter layer 3, the first filter layer 3 is provided with a first ground layer 4, the first ground layer 4 is provided with a blind ditch 5, the blind ditch 5 is internally provided with a second filter layer 6, the second filter layer 6 is provided with a third filter layer 7, the third filter layer 7 is provided with a filling layer 8, the filling layer 8 is provided with a soil layer 9, plants are planted on the soil layer 9, the soil layer 9 is provided with a plurality of diversion ditches 10, the diversion ditches 10 are communicated with a drainage ditch 11, the drainage ditch 11 is arranged along the circumferential direction of the landfill 1, the water outlet of the blind ditch 5 is communicated with the

drainage ditch

11, 11 intercommunication sewage treatment pond in escape canal, escape canal 11 with one side that landfill 1 links to each other is provided with a plurality of honeycomb ducts 12, the one end of honeycomb duct 12 extends and gets into in the landfill 1.

The depth of the drainage ditch 11 is greater than the landfill depth of the landfill site 1. Can separate the landfill site and the surrounding soil and prevent the mutual infiltration of water in the landfill site and the surrounding soil.

The draft tube 12 is provided with a plurality of water inlets 121, and the water inlets 121 are provided with a filter screen. Therefore, accumulated water in the landfill site can be conveniently discharged, and meanwhile, the effect of exhausting can be achieved.

The first filter layer 3 is an activated carbon layer. Can adsorb harmful gas and improve safety.

And the filling layer 8 is provided with a plurality of water collecting wells 13, and the diversion trench 10 is communicated with the water collecting wells 13. Can collect rainwater, can water the plant when the arid, using water wisely.

One side and the bottom of the blind ditch 5 relative to the landfill site 1 are both provided with a mixed soil layer 14, and one side of the mixed soil layer 14 is provided with a second ground layer 15. Preventing water of the landfill and the surrounding soil from mutually permeating.

A plurality of exhaust pipes 16 are arranged on the landfill site 1, and one ends of the exhaust pipes 16 extend out of the soil layer 9. Harmful gas in the landfill can be discharged in time, and the safety is improved.

The second filtering layer 6 is a gravel layer, and the third filtering layer 7 is a fine sand layer.

The working principle is as follows: the upper surface of the landfill is provided with the filling layer, the soil layer is laid on the surface of the filling layer, and plants are planted on the soil layer, so that rainwater can be prevented from permeating into the landfill and greening can be achieved; through set up the round escape canal around the landfill, can prevent peripheral water infiltration landfill, can prevent during the expert that the infiltration in the landfill from getting into peripheral soil, infiltration in the landfill can flow into the escape canal through honeycomb duct discharge, flows into the sewage treatment pond at last and handles.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The purification structure of the solid waste landfill of the household garbage is characterized by comprising a landfill (1), wherein a waterproof layer (2) is arranged on the landfill (1), a first filter layer (3) is arranged on the waterproof layer (2), a first filter layer (4) is arranged on the first filter layer (3), a blind ditch (5) is arranged on the first filter layer (4), a second filter layer (6) is arranged in the blind ditch (5), a third filter layer (7) is arranged on the second filter layer (6), a filling layer (8) is arranged on the third filter layer (7), a soil layer (9) is arranged on the filling layer (8), plants are planted on the soil layer (9), a plurality of flow guide ditches (10) are arranged on the soil layer (9), the flow guide ditches (10) are communicated with drainage ditches (11), and the drainage ditches (11) are arranged along the circumferential direction of the landfill (1), the delivery port intercommunication of french drain (5) escape canal (11), escape canal (11) intercommunication sewage treatment pond, escape canal (11) with one side that landfill (1) link to each other is provided with a plurality of honeycomb ducts (12), the one end of honeycomb duct (12) extends and gets into in the landfill (1).

2. The purification structure of the solid waste landfill site of the household garbage according to claim 1, wherein the depth of the drainage ditch (11) is larger than the landfill depth of the landfill site (1).

3. The purification structure of the landfill yard of solid waste of household garbage according to claim 1, wherein the draft tube (12) is provided with a plurality of water inlets (121), and the water inlets (121) are provided with a filter screen.

4. The purification structure of the domestic garbage solid waste landfill site as claimed in claim 1, wherein the first filter layer (3) is an activated carbon layer.

5. The purification structure of the domestic garbage solid waste landfill site as claimed in claim 1, wherein the filling layer (8) is provided with a plurality of water collecting wells (13), and the diversion trench (10) is communicated with the water collecting wells (13).

6. The purification structure of the domestic garbage solid waste landfill site as claimed in claim 1, wherein the side and the bottom of the blind ditch (5) opposite to the landfill site (1) are both provided with a mixed soil layer (14), and one side of the mixed soil layer (14) is provided with a second ground layer (15).

7. The purification structure of the solid waste landfill site of the household garbage according to claim 1, characterized in that a plurality of exhaust pipes (16) are arranged on the landfill site (1), and one end of each exhaust pipe (16) extends out of the soil layer (9).

8. The purification structure of the domestic garbage solid waste landfill site as claimed in claim 1, wherein the second filter layer (6) is a crushed stone layer, and the third filter layer (7) is a fine sand layer.