CN108620407B - Landfill method for solid waste - Google Patents
Landfill method for solid waste Download PDFInfo
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- CN108620407B CN108620407B CN201810453301.8A CN201810453301A CN108620407B CN 108620407 B CN108620407 B CN 108620407B CN 201810453301 A CN201810453301 A CN 201810453301A CN 108620407 B CN108620407 B CN 108620407B
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- landfill
- waste
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- layer
- motor vehicle
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000002910 solid waste Substances 0.000 title claims abstract description 19
- 239000002699 waste material Substances 0.000 claims abstract description 56
- 230000008569 process Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- 229910001385 heavy metal Inorganic materials 0.000 claims description 7
- 239000010814 metallic waste Substances 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 229920006262 high density polyethylene film Polymers 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 2
- 241000282414 Homo sapiens Species 0.000 abstract description 8
- 230000036541 health Effects 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 25
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B1/00—Dumping solid waste
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a landfill method for solid waste, which ensures the safety of waste transportation in the transportation process by paving driving pavements in a region to be landfill, timely cleans an unloading field and a motor vehicle after the waste transportation is finished, ensures the safety of the transportation, and simultaneously ensures the safety of the landfill of the waste in the interior by adopting layered landfill operation, thereby ensuring the peripheral vegetation and the ecological environment, as well as the water consumption of human beings and the health safety of human beings.
Description
Technical Field
The invention relates to a solid waste landfill method, in particular to a landfill method for solid waste.
Background
The solid waste landfill technology starts in the 20 th 60 s, is one of more ideal treatment methods for the final treatment of the solid waste, is a treatment technology developed by the traditional waste stacking and land filling technology, has the advantages of low investment, large capacity and quick response, in the prior art, the solid waste is often conveyed to a landfill site by a motor vehicle in the solid waste landfill process, seepage-proof membranes in the inner part and the surface layer of the waste are easily broken due to road surface jolt and other reasons in the conveying process, the waste is further thrown along the road along with the driving of the motor vehicle, the road environment and vegetation environment are harmed, the life health of field operators is seriously threatened, meanwhile, the curing agent is lacked in the landfill operation process in the prior art, the layered landfill operation is not adopted, and the waste materials after the landfill are blown by wind and drenched by rain for a period of time, the inner part is extruded and deformed, even the outer impermeable membrane is extruded and broken when the inner part is serious, the surrounding vegetation and the ecological environment are polluted, and the water consumption of human beings is threatened, so that the human health is threatened.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides a landfill method for solid waste, which ensures the safety of waste transportation in the transportation process by paving driving pavements in a region to be buried, timely cleans a discharge site and a motor vehicle after the waste transportation is finished, ensures the safety of the transportation, and simultaneously ensures the safety of the landfill of the internal waste by adopting layered landfill operation, thereby ensuring the surrounding vegetation and ecological environment, human water and human health safety.
The technical scheme adopted by the invention for solving the technical problems is as follows: a landfill method for solid waste, characterized in that: the method comprises the following steps:
(1) after the solid waste is sequentially pretreated, stood and air-dried on the surface, waiting for the solid waste to enter the factory in good weather;
(2) backing the driving road surface of the area to be buried by using woven bags filled with the furnace slag, wherein the woven bags are at least arranged in two layers;
(3) the waste is loaded by a motor vehicle, conveyed to the area to be buried through the driving road surface of the area to be buried, and discharged in the field;
(4) after the wastes are conveyed, cleaning a discharging place and a motor vehicle;
(5) the method comprises the following steps of (1) checking and timely cleaning waste residues scattered along a motor vehicle, and after the ground is cleaned, collecting flushing water mixed with the waste residues into a regulating reservoir;
(6) the excavator hoists the discharged waste to the position near the designated landfill area for placing;
(7) respectively paving impermeable membranes at the bottom and the side of the specified landfill region;
(8) firstly placing a layer of sludge on an impermeable membrane at the bottom of a specified landfill area, and then placing a layer of curing material;
(9) spreading, flattening and compacting the waste into operation thin layers by the loader from top to bottom according to the thickness of each layer of 0.5m, and rolling for 3 times by the excavator after each layer of operation thin layers is formed, wherein the track rolling for each time is greater than 3/4 of the track rolling last time;
(10) after the excavator rolls for 3 times, a layer of sludge is placed above the last operation thin layer, a layer of curing material is placed, and the step (9) is repeated;
(11) carrying out manual push-laying operation on local corners;
(12) when the landfill operation is carried out to the boundary position of the middle impermeable membrane, the curing material is adopted for bagging and compacting, and the middle is covered;
(13) after the middle covering is finished, paving a middle anti-seepage film, continuing the landfill operation from the step (8) to the step (10) on the covering layer above the middle anti-seepage film, and covering the final site after the landfill operation is carried out to the designed height;
(14) after the final covering is finished, covering a rainproof film on the outermost side;
(15) the flatness of the rainproof film is checked, so that water flow is guided out from the peripheral groove, and rainwater is prevented from flowing into a landfill area;
(16) starting the gas guide device in the process of landfill operation, and along with the rising of the landfill height, the gas guide device also continuously extends upwards and is finally communicated with the exhaust layer above the appointed landfill area;
(17) the number of the waste landfill, the landfill location and the landfill level are recorded in detail.
Further, in the step (2), a flat road surface except for a steep slope, a pothole and cobblestones is selected as the driving road surface of the area to be buried.
Further, the cleaning of the motor vehicle in the step (4) comprises cleaning of positions of inner and outer shells, a frame surface, wheel tires and wheel rims of a loading area of the motor vehicle.
Further, an appropriate amount of additives for neutralizing heavy metal ions and acidity and alkalinity in the waste are previously added into the adjusting tank in the step (5).
Further, the impermeable membrane in the step (7) is a high-density polyethylene membrane (HDPE membrane).
Further, after the step (7) and before the step (8), determining the type and size of the landfill area according to the waste type.
Further, the waste categories are classified into at least three types of acid and alkali waste, heavy metal waste and non-metal waste.
Further, in the step (13), plastic film is selected for covering the waste on the end field.
Further, the air guide device in the step (14) is an air guide tube.
Furthermore, the air duct is arranged in sections, and the sections are communicated with each other.
The invention has the beneficial effects that:
(1) the method has the advantages that the traveling road surface of the area to be buried is paved, the safety of waste conveying is guaranteed in the conveying process, and after the waste conveying is finished, the unloading site and motor vehicles are cleaned in time, so that the safety of conveying is guaranteed;
(2) meanwhile, the layered landfill operation is adopted to ensure the safe landfill of the internal waste, thereby ensuring the surrounding vegetation and the ecological environment, the water consumption of human beings and the health safety of human beings;
(3) a rainproof film is laid on the outer side, so that the rainwater is prevented from being led out from the peripheral groove, and the rainwater is prevented from flowing into a landfill area;
(4) the gas guide device is arranged, and along with the rising of the landfill height, the gas guide device also continuously extends upwards and is finally communicated with the exhaust layer above the appointed landfill area, so that the constant internal and external air pressure is realized, and the internal putrefaction reaction is prevented from further influencing the local soil environment.
Drawings
Fig. 1 is a flow chart showing the steps of a landfill method for solid waste according to the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a landfill method for solid waste includes the steps of:
(1) after the solid waste is subjected to pretreatment, standing and surface air drying in sequence, waiting for good weather to prepare for entering the field, avoiding inconvenience in operation of workers in rainy and snowy weather, and simultaneously avoiding influence on solidification effect caused by the fact that rain and snow enter the waste in the landfill process;
(2) the traveling pavement of the area to be buried is bottomed by the woven bags filled with the furnace slag, the woven bags are at least arranged in two layers, the source is convenient and low, and the protection effect is improved;
(3) the waste is loaded by a motor vehicle, is conveyed to the area to be buried through the driving road surface of the area to be buried, is discharged in a field, and ensures the safety of the conveyed waste in the conveying process by paving the driving road surface of the area to be buried, so that the thrown waste is prevented from harming the road environment, the vegetation environment and the personnel health;
(4) after the wastes are conveyed, cleaning a discharging place and a motor vehicle; cleaning the unloading site and the motor vehicle in time to ensure the transportation safety of the motor vehicle in the return process and the next transportation process;
(5) the method comprises the following steps of (1) inspecting and timely cleaning waste residues scattered along a motor vehicle, and after the ground is cleaned, collecting flushing water mixed with the waste residues into a regulating tank to neutralize heavy metal ions and acidity and alkalinity of the flushing water;
(6) the excavator hoists the discharged waste to the position near the designated landfill area for placing;
(7) respectively paving impermeable membranes at the bottom and the side of the specified landfill region;
(8) firstly placing a layer of sludge on an impermeable membrane at the bottom of a specified landfill area, and then placing a layer of curing material, so that the physical property and the chemical property of the waste after curing tend to be stable while the waste curing is realized;
(9) spreading, flattening and compacting the waste into operation thin layers by the loader from top to bottom according to the thickness of each layer of 0.5m, and rolling for 3 times by the excavator after each layer of operation thin layers is formed, wherein the track rolling for each time is greater than 3/4 of the track rolling last time;
(10) after the excavator rolls for 3 times, a layer of sludge is placed above the last operation thin layer, a layer of curing material is placed, and the step (9) is repeated;
(11) carrying out manual push-laying operation on local corners;
(12) when the landfill operation is carried out to the boundary position of the middle impermeable membrane, the curing material is adopted for bagging and compacting, and the middle is covered;
(13) after the middle covering is finished, paving a middle anti-seepage film, continuing the landfill operation from the step (8) to the step (10) on the covering layer above the middle anti-seepage film, and covering the final site after the landfill operation is carried out to the designed height;
(14) after the final covering is finished, covering a rainproof film on the outermost side;
(15) the flatness of the rainproof film is checked, so that water flow is guided out from the peripheral groove, and rainwater is prevented from flowing into a landfill area;
(16) starting the gas guide device in the process of landfill operation, wherein the gas guide device continuously extends upwards along with the rising of the landfill height and is finally communicated with the exhaust layer above the specified landfill area, so that the constant internal and external air pressure is realized, and the internal putrefaction reaction is prevented from further influencing the local soil environment;
(17) the number of the waste landfill, the landfill location and the landfill level are recorded in detail to facilitate subsequent continuous follow-up of periodic observations.
Specifically, in the step (2), a flat road except for a steep slope, a hollow and cobblestones is selected as the driving road of the area to be buried, so that waste is prevented from puncturing the impermeable membrane and being thrown along the way in the transportation process.
Specifically, the cleaning of the motor vehicle in the step (4) comprises cleaning of the positions of the inner and outer shells, the frame surface, the wheel tires and the wheel rims of the loading area of the motor vehicle so as to clean waste thrown along the transportation road.
Specifically, an appropriate amount of additive for neutralizing heavy metal ions and acidity and alkalinity in the waste is previously added into the adjusting tank in the step (5).
Specifically, the impermeable film in the step (7) is a high-density polyethylene film (HDPE film).
Specifically, after step (7) and before step (8), the landfill area type and size are determined according to the waste type.
Specifically, the waste categories are at least three types, namely acid-base waste, heavy metal waste and non-metal waste.
Specifically, in the step (13), plastic film is selected for final field coverage of the waste.
Specifically, the airway device in step (14) is selected from an airway tube.
Specifically, the air duct segmentation sets up, and communicates each other between each section to on the basis of guaranteeing the ventilation effect, the later stage of being convenient for is changed and is maintained.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (1)
1. A landfill method for solid waste, characterized in that: the method comprises the following steps:
(1) after the solid waste is sequentially pretreated, stood and air-dried on the surface, waiting for the solid waste to enter the factory in good weather;
(2) backing the driving road surface of the area to be buried by using woven bags filled with the furnace slag, wherein the woven bags are at least arranged in two layers;
(3) the waste is loaded by a motor vehicle, conveyed to the area to be buried through the driving road surface of the area to be buried, and discharged in the field;
(4) after the wastes are conveyed, cleaning a discharging place and a motor vehicle;
(5) the method comprises the following steps of (1) checking and timely cleaning waste residues scattered along a motor vehicle, and after the ground is cleaned, collecting flushing water mixed with the waste residues into a regulating reservoir;
(6) the excavator hoists the discharged waste to the position near the designated landfill area for placing;
(7) respectively paving impermeable membranes at the bottom and the side of the specified landfill region;
(8) firstly placing a layer of sludge on an impermeable membrane at the bottom of a specified landfill area, and then placing a layer of curing material;
(9) spreading, flattening and compacting the waste into operation thin layers by the loader from top to bottom according to the thickness of each layer of 0.5m, and rolling for 3 times by the excavator after each layer of operation thin layers is formed, wherein the track rolling for each time is greater than 3/4 of the track rolling last time;
(10) after the excavator rolls for 3 times, a layer of sludge is placed above the last operation thin layer, a layer of curing material is placed, and the step (9) is repeated;
(11) carrying out manual push-laying operation on local corners;
(12) when the landfill operation is carried out to the boundary position of the middle impermeable membrane, the curing material is adopted for bagging and compacting, and the middle is covered;
(13) after the middle covering is finished, paving a middle anti-seepage film, continuing the landfill operation from the step (8) to the step (10) on the covering layer above the middle anti-seepage film, and covering the final site after the landfill operation is carried out to the designed height;
(14) after the final covering is finished, covering a rainproof film on the outermost side;
(15) the flatness of the rainproof film is checked, so that water flow is guided out from the peripheral groove, and rainwater is prevented from flowing into a landfill area;
(16) starting the gas guide device in the process of landfill operation, and along with the rising of the landfill height, the gas guide device also continuously extends upwards and is finally communicated with the exhaust layer above the appointed landfill area;
(17) recording the serial number, the landfill position and the landfill level of waste landfill in detail;
selecting a flat road surface except for a steep slope, a pothole and cobblestones from the driving road surface of the area to be buried in the step (2);
cleaning the motor vehicle in the step (4) comprises cleaning the positions of an inner shell, an outer shell, a frame surface, a wheel tire and a rim of a loading area of the motor vehicle;
an appropriate amount of additive for neutralizing heavy metal ions and acidity and alkalinity in the waste is added into the adjusting tank in the step (5) in advance;
the impermeable film in the step (7) is a high-density polyethylene film (HDPE film);
after the step (7) and before the step (8), determining the type and size of the landfill area according to the waste type;
the waste types are at least divided into acid-base waste, heavy metal waste and non-metal waste;
in the step (13), plastic films are selected for carrying out end-of-field covering on the wastes;
the air guide device in the step (14) is an air guide tube;
the air duct is arranged in sections, and the sections are communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810453301.8A CN108620407B (en) | 2018-05-14 | 2018-05-14 | Landfill method for solid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810453301.8A CN108620407B (en) | 2018-05-14 | 2018-05-14 | Landfill method for solid waste |
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| Publication Number | Publication Date |
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| CN108620407A CN108620407A (en) | 2018-10-09 |
| CN108620407B true CN108620407B (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810453301.8A Active CN108620407B (en) | 2018-05-14 | 2018-05-14 | Landfill method for solid waste |
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| CN (1) | CN108620407B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482610A (en) * | 2018-10-24 | 2019-03-19 | 湖北云应矿业技术开发有限公司 | A kind of alkaline residue backfill disposing technique |
| CN112239312A (en) * | 2020-09-23 | 2021-01-19 | 杭州国泰环保科技股份有限公司 | Method for landfill of sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1850369A (en) * | 2006-05-09 | 2006-10-25 | 同济大学 | Inertial-garbage dry burying method |
| CN103613256B (en) * | 2013-11-28 | 2016-01-06 | 上海老港废弃物处置有限公司 | A kind of blended landfill method of dewatered sludge and house refuse |
| CN204491634U (en) * | 2015-02-03 | 2015-07-22 | 深圳市胜义环保有限公司 | Landfill slopes protective layer structure |
| CN104801530B (en) * | 2015-04-24 | 2017-01-11 | 吉晋兰 | Process for landfill of sludge and coal gangue together |
| CN106040696B (en) * | 2016-07-04 | 2018-07-17 | 清华大学 | Waste landfill method |
| CN206800094U (en) * | 2017-06-20 | 2017-12-26 | 河北工业大学 | A kind of big particle diameter building waste roadbed |
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