CN113458116A - Landfill leachate treatment device and treatment method thereof - Google Patents

Abstract

The invention discloses a garbage leachate treatment device and a treatment method thereof, belonging to the field of garbage leachate, wherein when the garbage leachate in garbage is treated, the garbage raw material is compressed by a compression device, so that the leachate in the garbage raw material seeps out, and ammonium chloride powder is heated and decomposed into ammonia gas and hydrogen chloride due to a large amount of heat generated by aerobic biodegradation reaction of easily degradable components in the garbage and oxygen, an internal air bag ball expands to extrude the internal extrusion ball, the nitrogen gas and the hydrogen sulfide are extruded to resist a rubber sealing sheet to flow out from a first flow channel, the PH value of the leachate is reduced, when the internal air bag ball expands to a spherical bag which is pricked, a culture solution and methanogenic bacteria are released, and the methanogenic bacteria convert organic acid and H2 into methane, so that the concentration of organic matters in the leachate in the garbage raw material is reduced, Both the metal ion concentration and the conductivity dropped rapidly.

Description

Landfill leachate treatment device and treatment method thereof

Technical Field

The invention relates to the field of landfill leachate, in particular to a landfill leachate treatment device and a treatment method thereof.

Background

The landfill leachate refers to high-concentration organic wastewater which is formed by deducting saturated water holding capacity of garbage and a covering soil layer from water contained in the garbage in a landfill site, rain, snow water and other water entering the landfill site and passing through the garbage layer and the covering soil layer, and water leaked from the garbage which is piled up and prepared for incineration, the treatment of the landfill leachate in urban landfill sites is always a very delicate problem in the design, operation and management of the landfill site, the leachate is a product of gravity flow of liquid in the landfill site and mainly comes from the internal water content of the rainfall and the garbage, and as a plurality of factors possibly influence the property of the leachate in the flowing process of the liquid, including physical factors, chemical factors, biological factors and the like, the property of the leachate varies in a considerable range, generally, the pH value is between 4 and 9, and the COD is in the range of 2000 to 00mg/L, the BOD5 is 60-45000 mg/L, and the concentration of heavy metal is basically consistent with that of heavy metal in municipal sewage.

At present in landfill leachate's processing procedure, municipal refuse landfill leachate is the organic waste water of high concentration that a composition is complicated, if do not add the processing and directly discharge into the environment, can cause serious environmental pollution, and use environmental protection as the purpose, it is indispensable to handle leachate, in the prior art, may appear when handling leachate, organic matter concentration in the leachate, metal ion concentration, conductivity and biodegradability are difficult to descend fast, work efficiency is lower when causing the processing of leachate, and when the leachate after the processing fails to satisfy sewage discharge to reach standard, also can store and can not discharge, greatly reduced work efficiency.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a garbage leachate treatment device and a treatment method thereof, which can realize that when the leachate in garbage needs to be treated, the garbage raw materials are compressed by a compression device, so that the leachate in the garbage raw materials seeps out, ammonium chloride powder is heated and decomposed into ammonia gas and hydrogen chloride, an internal air bag ball generates an extrusion internal extrusion ball which gradually expands, so that the nitrogen gas and the hydrogen sulfide are extruded to resist a rubber sealing sheet to flow out from a first flow channel, the pH value of the leachate begins to decrease, when the internal air bag ball expands until a spherical bag is punctured by a sharp point, a culture solution and methanogen are released, the methanogen converts organic acid and H2 into methane, and the organic matter concentration, the metal ion concentration and the conductivity of the leachate in the garbage raw materials are all rapidly decreased, BOD/COD is reduced, biodegradability is reduced, at the moment, most of nutrient substances in the garbage are removed along with the percolate, meanwhile, the percolate is adsorbed in the outer elastic capsule sleeve by capillary fibers to be dried and evaporated, and after calcium chloride is dissolved in the percolate, the percolate with alkalinity is neutralized due to the acidic characteristic of the calcium chloride.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A garbage leachate treatment device comprises a placing box, wherein a bearing platform is connected in the placing box in a sliding manner, a plurality of uniformly distributed placing grooves are formed in the outer end of the bearing platform, an outer elastic bag sleeve is arranged in each placing groove, an adsorption device is arranged in the inner cavity of the outer elastic bag sleeve, a plurality of uniformly distributed first flow channels are formed in the outer end of the outer elastic bag sleeve, a plurality of uniformly distributed sharp spines are fixedly connected to the inner wall of the outer elastic bag sleeve, a spherical bag is arranged in each sharp spine, two symmetrical fixing ropes are fixedly connected between the spherical bag and the inner wall of the outer elastic bag sleeve, two symmetrical second flow channels are formed in the outer end of the spherical bag, a pair of mutually abutted rubber sealing pieces are rotatably connected to the inner wall of each second flow channel, a culture solution is filled in the inner cavity of the spherical bag, and methanogen is arranged in the inner cavity of the spherical bag, the culture solution is in contact with methanogens, an inner extrusion ball is arranged in a spherical bag, two symmetrical blocking baffles are fixedly connected between the spherical bag and the inner extrusion ball, nitrogen and hydrogen sulfide are filled between the spherical bag and the inner extrusion ball and are symmetrically distributed around the blocking baffles, an inner air bag ball is arranged in the inner extrusion ball, two symmetrical traction ropes are fixedly connected between the inner air bag ball and the inner extrusion ball, and ammonium chloride powder is filled in the inner air bag ball;

when the leachate in the garbage needs to be treated, the garbage is placed in a placing box, a softening agent which is 0.05 times of the weight of the garbage raw materials is poured into the placing box to soften the garbage raw materials, meanwhile, compression equipment is used for compressing the garbage raw materials to enable the leachate in the garbage raw materials to seep out, in the permeation process, easily degradable components in the garbage and oxygen undergo aerobic biodegradation reaction to release a large amount of heat, after the oxygen is exhausted, the placing box starts to form anaerobic conditions, the garbage degradation is transited from aerobic degradation to facultative anaerobic degradation, meanwhile, ammonium chloride powder in a built-in air bag ball is heated and decomposed into ammonia gas and hydrogen chloride due to the release of a large amount of heat, the built-in air bag ball generates gradual expansion to extrude the built-in air bag ball, so that the extrusion force of nitrogen and hydrogen sulfide between the built-in air bag ball and the spherical bag is supported by the rubber sealing sheet, the nitrogen and the hydrogen sulfide are made to flow out from the first flow channel, so that the PH value of the leachate begins to decrease, when the built-in air bag ball expands to completely discharge the nitrogen and the hydrogen sulfide to be attached to the spherical bag and continue to expand until the spherical bag is punctured by a sharp point, the culture solution and methanogen are released, the methanogen converts the organic acid and the H2 into methane, the organic matter concentration, the metal ion concentration and the conductivity of the leachate in the garbage raw material are all rapidly decreased, the BOD/COD is decreased, the biodegradability is decreased, at the moment, most of nutrient substances in the garbage are removed along with the leachate, and only a small amount of microorganisms degrade some refractory substances in the garbage.

Furthermore, the adsorption device comprises a diaphragm, the diaphragm is fixedly connected with an outer elastic bag sleeve, a plurality of gelatin balloons which are uniformly distributed are fixedly connected to the inner bottom end of the outer elastic bag sleeve, capillary fibers are fixedly connected between the gelatin balloons and the diaphragm, the capillary fibers penetrate through the diaphragm, calcium chloride is filled in the gelatin balloons, when most of nutrient substances in garbage are discharged along with percolate, the percolate is adsorbed in the outer elastic bag sleeve by the capillary fibers, meanwhile, the gelatin balloons expand due to heating, the capillary fibers are pushed out of the outer elastic bag sleeve and are in more sufficient contact with the percolate outside, the efficiency of the capillary fibers for absorbing the percolate is further improved, when the temperature reaches a certain degree, the gelatin balloons are heated to decompose calcium chloride and release, and the calcium chloride is easily dissolved in water when the temperature reaches 20 degrees and simultaneously releases a large amount of heat, the leachate sucked in is dried and evaporated, and after calcium chloride is dissolved in the leachate, the leachate with alkalinity is neutralized due to the acidic characteristic of the calcium chloride.

Further, the bearing platform upper end is excavated there are two symmetrical L type recesses, L type recess inner wall is excavated there is the draw-in groove, the bottom is equipped with the film that absorbs water in the L type recess, through setting up L type recess and draw-in groove, when can making the impurity that bearing platform surface area was saved too much, place in the draw-in groove of L type recess through the lifting hook, take out bearing platform from placing the incasement and clear up, the next use of being convenient for through setting up the film that absorbs water, by the film that absorbs water when can making the filtration liquid among the rubbish raw materials flow into L type recess, reduce the pollution of filtration liquid among the rubbish raw materials to the external world.

Further, the rubber mounting piece department of tightly supporting each other is equipped with sealed the pad, sealed pad and two rubber mounting pieces bond through the double faced adhesive tape, through setting up sealed the pad, can make interior extrusion ball when not receiving the extrusion, and nitrogen gas and hydrogen sulfide are difficult for permeating out in the rubber mounting piece.

Furthermore, the second flow channel corresponds to the first flow channel, and the nitrogen and the hydrogen sulfide can accurately flow out from the first flow channel by arranging the second flow channel to correspond to the first flow channel.

Further, load-bearing platform upper end fixedly connected with metal filter screen, metal filter screen is made by stainless steel material, metal filter screen surface is scribbled and is equipped with anti-rust paint, through setting up metal filter screen, can make some tiny raw materials in the rubbish be difficult for falling into the standing groove and cause the jam, prevents to cause the influence because of its work to external elasticity bag cover, through setting up anti-rust paint, can make metal filter screen be difficult for because the filtration liquid that receives in the rubbish raw materials for a long time corrodes, causes metal filter screen's rust, makes its surface be difficult for producing a large amount of bacterial growing.

Further, the spherical groove that has a plurality of evenly distributed is dug to the load-bearing platform outer end, the spherical inslot internal rotation is connected with the ball, the ball contacts with placing the incasement wall, through setting up spherical groove and ball, can make load-bearing platform when the solid impurity on clearance surface needs, can be more convenient take out from placing the incasement fast.

Furthermore, the traction rope is made of a Ni-Ti memory alloy material, the metamorphosis temperature of the traction rope is 20 ℃, and the traction rope can be restored to a high-temperature phase state after being heated by using the Ni-Ti memory alloy material, so that the built-in air bag ball can be rapidly expanded to extrude the internal extrusion ball, and the working efficiency is improved.

Further, the diaphragm has the artificial semipermeable membrane of certain characteristic by the artificial semipermeable membrane that a simulation biological semipermeable membrane was made, through adopting artificial semipermeable membrane, can make impurity such as inorganic ion, bacterium, virus, organic matter and colloid of the filtration liquid in the rubbish raw materials get rid of to with impurity and aqueous solution separation, simultaneously to the more convenient clearance of impurity.

A treatment method of a landfill leachate treatment device comprises the following steps:

s1, placing the garbage raw materials in a placing box, pouring a softening agent which is 0.05 time of the weight of the garbage raw materials into the placing box, and stirring the garbage raw materials for at least 60min to soften the garbage raw materials;

s2, compressing the garbage raw material softened in the step by using compression equipment to enable leachate in the garbage raw material to seep out;

s3, enabling the percolate in the step to flow into the outer elastic bag sleeve, and filtering and purifying the percolate in the garbage raw materials.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

the scheme can realize that when the leachate in the garbage needs to be treated, the garbage raw materials are compressed by the compression equipment, so that the leachate in the garbage raw materials seeps out, ammonium chloride powder is heated and decomposed into ammonia gas and hydrogen chloride due to heat, the built-in air bag ball generates the extrusion inner extrusion ball gradually expanding, so that the nitrogen gas and the hydrogen sulfide are subjected to extrusion force to support the rubber sealing sheet to flow out from the first flow channel, the pH value of the leachate begins to decrease, when the built-in air bag ball expands until the spherical bag is punctured by a sharp point, the culture solution and methanogen are released, the methanogen converts organic acid and H2 into methane, so that the organic matter concentration, the metal ion concentration and the COD conductivity of the leachate in the garbage raw materials are all rapidly decreased, the BOD/COD is decreased, the biodegradability is decreased, most of nutrient substances in the garbage are removed along with the leachate at the moment, and the leachate is adsorbed by capillary fibers in the outer elastic bag sleeve to be dried and evaporated, after the calcium chloride is dissolved in the leachate, the leachate with alkalinity is neutralized due to the acidic characteristic of the calcium chloride.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic cross-sectional view of the outer elastic cuff of the present invention;

FIG. 3 is a schematic structural view of the outer elastic cuff of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a spherical bladder of the present invention;

fig. 6 is a schematic view of the structure of the balloon-embedded balloon of the present invention.

The reference numbers in the figures illustrate:

the device comprises a placing box 1, a bearing platform 2, a placing groove 3, an outer elastic capsule sleeve 4, a first flow channel 5, a spine 6, a spherical capsule bag 7, a fixed rope 8, a second flow channel 9, a rubber sealing piece 10, a culture solution 11, methanogens 12, an inner extrusion ball 13, a blocking baffle 14, nitrogen gas 15, hydrogen sulfide 16, a traction rope 17, an inner air capsule ball 18, ammonium chloride powder 19, a diaphragm 20, capillary fibers 21, a gelatin capsule 22 and calcium chloride 23.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-6, a landfill leachate treatment device comprises a placing box 1, a bearing platform 2 is slidably connected in the placing box 1, a plurality of uniformly distributed placing grooves 3 are cut at the outer end of the bearing platform 2, an outer elastic bag sleeve 4 is arranged in each placing groove 3, an adsorption device is arranged in an inner cavity of each outer elastic bag sleeve 4, a plurality of uniformly distributed first flow channels 5 are cut at the outer end of each outer elastic bag sleeve 4, a plurality of uniformly distributed sharp spines 6 are fixedly connected to the inner wall of each outer elastic bag sleeve 4, a spherical bag 7 is arranged in each sharp spine 6, two symmetrical fixing ropes 8 are fixedly connected between each spherical bag 7 and the inner wall of each outer elastic bag sleeve 4, two symmetrical second flow channels 9 are cut at the outer end of each spherical bag 7, a pair of mutually abutting rubber sealing sheets 10 are rotatably connected to the inner wall of each second flow channel 9, an inner cavity of each spherical bag 7 is filled with a culture solution 11, methanogenic bacteria 12 are arranged in the inner cavity of each spherical bag 7, the culture solution 11 is contacted with methanogens 12, an inner extrusion ball 13 is arranged in a spherical bag 7, two symmetrical blocking baffles 14 are fixedly connected between the spherical bag 7 and the inner extrusion ball 13, nitrogen 15 and hydrogen sulfide 16 are filled between the spherical bag 7 and the inner extrusion ball 13, the nitrogen 15 and the hydrogen sulfide 16 are symmetrically distributed about the blocking baffles 14, an inner air bag ball 18 is arranged in the inner extrusion ball 13, two symmetrical traction ropes 17 are fixedly connected between the inner air bag ball 18 and the inner extrusion ball 13, and ammonium chloride powder 19 is filled in the inner air bag ball 18;

when the leachate in the garbage needs to be treated, the garbage is placed in the placing box 1, a softening agent which is 0.05 times of the weight of the garbage raw materials is poured into the placing box 1, the garbage raw materials are softened, meanwhile, the garbage raw materials are compressed by using a compression device, the leachate in the garbage raw materials seeps out, in the permeation process, easily degradable components in the garbage and oxygen generate aerobic biodegradation reaction, a large amount of heat is released, after the oxygen is exhausted, anaerobic conditions begin to be formed in the placing box 1, the garbage degradation is transited from aerobic degradation to facultative anaerobic degradation, meanwhile, ammonium chloride powder 19 in the built-in air bag ball 18 is heated and decomposed into ammonia gas and hydrogen chloride due to the release of a large amount of heat, the built-in air bag ball 18 generates gradual expansion to extrude the built-in extrusion ball 13, so that the nitrogen 15 and hydrogen sulfide 16 extrusion forces between the built-in extrusion ball 13 and the spherical air bag 7 are supported by the rubber sealing sheet 10, the nitrogen 15 and the hydrogen sulfide 16 flow out of the first flow channel 5, so that the PH value of the percolate begins to decrease, when the built-in air bag ball 18 expands to completely discharge the nitrogen 15 and the hydrogen sulfide 16 to be attached to the spherical bag 7 and continue to expand until the spherical bag 7 is punctured by the sharp pricks 6, the culture solution 11 and the methanogenic bacteria 12 are released, the methanogenic bacteria 12 convert organic acid and H2 into methane, so that the organic matter concentration, the metal ion concentration and the conductivity of the percolate in the garbage raw material are all rapidly decreased, BOD/COD is decreased, biodegradability is decreased, at the moment, most of nutrient substances in the garbage are discharged along with the percolate, and only a small amount of microorganisms degrade some refractory substances in the garbage.

Referring to fig. 2 and 4, the adsorption device includes a diaphragm 20, the diaphragm 20 is fixedly connected with an outer elastic bag cover 4, a plurality of gelatin balloons 22 which are uniformly distributed are fixedly connected to the inner bottom end of the outer elastic bag cover 4, capillary fibers 21 are fixedly connected between the gelatin balloons 22 and the diaphragm 20, the capillary fibers 21 penetrate through the diaphragm 20, calcium chloride 23 is filled in the gelatin balloons 22, when most of the nutrient substances in the garbage are discharged along with the percolate, the percolate is adsorbed in the outer elastic bag cover 4 by the capillary fibers 21, and meanwhile, the gelatin balloons 22 expand due to heating, the capillary fibers 21 are pushed out of the outer elastic bag cover 4 and are in more sufficient contact with the outside percolate, so that the efficiency of the capillary fibers 21 for absorbing the percolate is further improved, when the temperature reaches a certain degree, the gelatin balloons 22 are heated to decompose the calcium chloride 23 to release, and the calcium chloride 23 is easily dissolved in water when the temperature reaches 20 °, simultaneously, a large amount of heat is released, the percolate which is sucked is dried and evaporated, and meanwhile, after the calcium chloride 23 is dissolved in the percolate, the percolate with alkalinity is neutralized due to the acidic characteristic of the calcium chloride 23.

Please refer to fig. 1, the upper end of the bearing platform 2 is provided with two symmetrical L-shaped grooves, the inner walls of the L-shaped grooves are provided with slots, the bottom of the L-shaped groove is provided with a water absorption film, through the arrangement of the L-shaped grooves and the slots, when the surface of the bearing platform 2 is excessively covered with impurities, the bearing platform 2 is placed in the slots in the L-shaped grooves through the hooks, the bearing platform 2 is taken out from the placing box 1 for cleaning, the next use is convenient, through the arrangement of the water absorption film, the percolate in the garbage raw materials is absorbed by the water absorption film when flowing into the L-shaped grooves, and the pollution of the percolate in the garbage raw materials to the outside is reduced.

Referring to fig. 5, a sealing gasket is disposed at a position where the rubber sealing pieces 10 abut against each other, the sealing gasket is bonded to the two rubber sealing pieces 10 through a double-sided tape, and by the arrangement of the sealing gasket, when the inner extrusion ball 13 is not extruded, the nitrogen 15 and the hydrogen sulfide 16 are not easy to permeate out of the rubber sealing pieces 10.

Referring to fig. 2, the second flow path 9 corresponds to the first flow path 5, and the nitrogen gas 15 and the hydrogen sulfide 16 can accurately flow out of the first flow path 5 by arranging the second flow path 9 to correspond to the first flow path 5.

Please refer to fig. 1, the upper end of the bearing platform 2 is fixedly connected with a metal filter screen, the metal filter screen is made of stainless steel, the surface of the metal filter screen is coated with anti-rust paint, by arranging the metal filter screen, some small raw materials in the garbage are not easy to fall into the placing groove 3 to cause blockage, thereby preventing the influence on the work of the external elastic bag sleeve 4 due to the small raw materials, and by arranging the anti-rust paint, the metal filter screen is not easy to corrode due to the leachate in the garbage raw materials for a long time, so that the metal filter screen is rusted, and the surface of the metal filter screen is not easy to generate a large amount of bacteria breeding.

Please refer to fig. 1, a plurality of uniformly distributed spherical grooves are drilled at the outer end of the bearing platform 2, the balls are rotatably connected in the spherical grooves, the balls contact with the inner wall of the placing box 1, and the bearing platform 2 can be more quickly and conveniently taken out from the placing box 1 when the solid impurities on the surface need to be cleaned through the arrangement of the spherical grooves and the balls.

Referring to fig. 2 and 6, the traction rope 17 is made of a Ni-Ti memory alloy material, the metamorphosis temperature of the traction rope 17 is 20 ℃, and the traction rope 17 made of the Ni-Ti memory alloy material can be restored to a high-temperature phase state after the traction rope 17 is heated, so that the internal balloon ball 13 can be rapidly expanded to extrude the internal balloon ball 18, and the working efficiency is improved.

Referring to fig. 2 to 4, the diaphragm 20 is an artificial semipermeable membrane having certain characteristics and made of a simulated biological semipermeable membrane, and impurities such as inorganic ions, bacteria, viruses, organic matters, and colloids in leachate of garbage raw materials can be removed by using the artificial semipermeable membrane, so that the impurities are separated from an aqueous solution, and the impurities are more conveniently cleaned.

A treatment method of a landfill leachate treatment device comprises the following steps:

s1, placing the garbage raw materials in the placing box 1, pouring a softener with the weight 0.05 time that of the garbage raw materials into the placing box 1, and stirring the garbage raw materials for at least 60min to soften the garbage raw materials;

s2, compressing the garbage raw material softened in the step by using compression equipment to enable leachate in the garbage raw material to seep out;

s3, enabling the percolate in the step to flow into the outer elastic bag cover 4, and filtering and purifying the percolate in the garbage raw materials.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (10)

1. The utility model provides a landfill leachate processing apparatus, is including placing case (1), its characterized in that: the placing box (1) is connected with a bearing platform (2) in a sliding manner, the outer end of the bearing platform (2) is provided with a plurality of uniformly distributed placing grooves (3), outer elastic bag sleeves (4) are arranged in the placing grooves (3), the inner cavities of the outer elastic bag sleeves (4) are provided with adsorption devices, the outer ends of the outer elastic bag sleeves (4) are provided with a plurality of uniformly distributed first flow channels (5), the inner walls of the outer elastic bag sleeves (4) are fixedly connected with a plurality of uniformly distributed spines (6), spherical bags (7) are arranged in the spines (6), two symmetrical fixing ropes (8) are fixedly connected between the spherical bags (7) and the inner walls of the outer elastic bag sleeves (4), the outer ends of the spherical bags (7) are provided with two symmetrical second flow channels (9), and the inner walls of the second flow channels (9) are rotatably connected with a pair of mutually abutted rubber sealing sheets (10), the inner cavity of the spherical bag (7) is filled with a culture solution (11), the inner cavity of the spherical bag (7) is provided with methanogens (12), the culture solution (11) is contacted with methanogen (12), an inner extrusion ball (13) is arranged in the spherical bag (7), two symmetrical blocking baffles (14) are fixedly connected between the spherical bag (7) and the inner extrusion ball (13), nitrogen (15) and hydrogen sulfide (16) are filled between the spherical bag (7) and the inner extrusion ball (13), the nitrogen (15) and hydrogen sulfide (16) are distributed symmetrically with respect to the baffle (14), the inner extrusion ball (13) is internally provided with an inner air bag ball (18), two symmetrical traction ropes (17) are fixedly connected between the inner air bag ball (18) and the inner extrusion ball (13), and the inner air bag ball (18) is filled with ammonium chloride powder (19).

2. The landfill leachate treatment plant of claim 1, wherein: the adsorption device comprises a diaphragm (20), the diaphragm (20) is fixedly connected with an outer elastic bag sleeve (4), a plurality of gelatin balloons (22) which are uniformly distributed are fixedly connected with the inner bottom end of the outer elastic bag sleeve (4), capillary fibers (21) are fixedly connected between the gelatin balloons (22) and the diaphragm (20), the capillary fibers (21) penetrate through the diaphragm (20), and calcium chloride (23) is filled in the gelatin balloons (22).

3. The landfill leachate treatment plant of claim 1, wherein: bearing platform (2) upper end is excavated there are two symmetrical L type recesses, L type recess inner wall is excavated there is the draw-in groove, bottom is equipped with the film that absorbs water in the L type recess.

4. The landfill leachate treatment plant of claim 1, wherein: the rubber sealing pieces (10) are tightly abutted to each other, sealing gaskets are arranged, and the sealing gaskets are bonded with the two rubber sealing pieces (10) through double-sided adhesive tapes.

5. The landfill leachate treatment plant of claim 1, wherein: the second flow channel (9) and the first flow channel (5) correspond to each other.

6. The landfill leachate treatment plant of claim 1, wherein: bearing platform (2) upper end fixedly connected with metal filter screen, metal filter screen is made by stainless steel material, the metal filter screen surface is scribbled and is equipped with the anti-rust paint.

7. The landfill leachate treatment plant of claim 1, wherein: the outer end of the bearing platform (2) is provided with a plurality of uniformly distributed spherical grooves, the spherical grooves are connected with balls in a rotating mode, and the balls are in contact with the inner wall of the placing box (1).

8. The landfill leachate treatment plant of claim 1, wherein: the traction rope (17) is made of Ni-Ti memory alloy materials, and the metamorphosis temperature of the traction rope (17) is 20 ℃.

9. The landfill leachate treatment plant of claim 2, wherein: the diaphragm (20) is an artificial semipermeable membrane having certain characteristics and made of a simulated biological semipermeable membrane.

10. The method for treating landfill leachate treatment plants of any one of claims 1 to 9, wherein: the method comprises the following steps:

s1, placing the garbage raw materials in a placing box (1), pouring a softener with the weight 0.05 time that of the garbage raw materials into the placing box (1), and stirring the garbage raw materials for at least 60min to soften the garbage raw materials;

s2, compressing the garbage raw material softened in the step by using compression equipment to enable leachate in the garbage raw material to seep out;

s3, enabling the percolate in the step to flow into the outer elastic bag sleeve (4), and filtering and purifying the percolate in the garbage raw materials.

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