CN101884997A - Process for comprehensively treating garbage - Google Patents
Process for comprehensively treating garbage Download PDFInfo
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- CN101884997A CN101884997A CN 201010224749 CN201010224749A CN101884997A CN 101884997 A CN101884997 A CN 101884997A CN 201010224749 CN201010224749 CN 201010224749 CN 201010224749 A CN201010224749 A CN 201010224749A CN 101884997 A CN101884997 A CN 101884997A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title abstract description 26
- 230000018044 dehydration Effects 0.000 claims abstract description 25
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 25
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims description 15
- 239000000123 paper Substances 0.000 claims description 14
- 238000013467 fragmentation Methods 0.000 claims description 8
- 238000006062 fragmentation reaction Methods 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 238000009264 composting Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 239000005416 organic matter Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000003063 flame retardant Substances 0.000 claims description 4
- 239000012492 regenerant Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 18
- 238000000855 fermentation Methods 0.000 abstract description 5
- 230000004151 fermentation Effects 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 208000005156 Dehydration Diseases 0.000 abstract 5
- 238000000926 separation method Methods 0.000 abstract 3
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 241000256113 Culicidae Species 0.000 description 2
- 241000255925 Diptera Species 0.000 description 2
- 239000010791 domestic waste Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- -1 wherein battery Substances 0.000 description 1
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Abstract
The invention provides a process for comprehensively treating garbage. The process is suitable for garbage automatic separation and deep dehydration treatment of the garbage with the characteristics of high-humidity mixed garbage in China and comprises steps of automatic separation, smashing, dehydration and recovery. The process has the advantages that: the process of separating the garbage adopts fully-automatic mechanized operation, so that labor cost is saved and the recovery efficiency of the garbage is improved; a large amount of moisture content of the garbage is removed by the step of cone and disk type pressing dehydration which has high dehydration efficiency, clean outlet water and low energy consumption; the garbage separation and the deep dehydration adopt fully-mechanized assembly line work, so material retention phenomenon, secondary fermentation, and garbage percolate are avoided in the garbage treatment process, flies and the level of foul smell are reduced to the lowest limit, and simultaneously the caloric value of combustible matters is basically not lost in the treatment process; and the reutilization condition of sorted objects of the garbage is good, the recycling utilization rate of garbage treatment is above 90 percent, and the landfill amount of the garbage treatment is less than 10 percent.
Description
Technical field
The invention belongs to environmental technology field, particularly garbage treating process is the garbage comprehensive treatment technology that a kind of rubbish that is suitable for the high humidity composting characteristic of China's actual conditions carries out sorting and deep dehydration.
Background technology
At present China's domestic waste every year is just with 10% speed increase, and the municipal refuse of implementing simple and easy processing only accounts for 2.3% of total amount, because China can use the soil to be less than 3.85% of the U.S. per capita, China's rubbish heap storage over the years is up to 6,000,000,000 tons at present, occupy cultivated land 500,000,000 square metres, direct economic loss reaches 8,000,000,000 yuans.National urban has now developed into 660, and wherein existing 200 cities are absorbed among the rubbish encirclement.With urban population 2.6 hundred million, produce 440 kilograms of rubbish for each person every year and calculate, producing quantity of refuse is 1.14 hundred million tons, can make the city of 1,000,000 populations cover 1 meter.And also increasing progressively in the speed with 8～10% every year.China has become the heaviest country of rubbish burden in the world, municipal refuse innoxious, subtract appearanceization and recycling treatment is extremely urgent.
Do not obtain the former of good effect in many international waste disposal method numerous engineering practices at home because: be subjected to the influence of consumption habit and environmental consciousness; The rubbish of external most countries is thrown in and collection method is the classification reception; At the rubbish that enters before the treatment facility; By good classification; Be subjected to simultaneously habits and customs influence the surplus and less moisture of hogwash class amount of substance in kitchen in the rubbish and putrescible matter lower; Packed standard; Created good condition for comprehensive reutilization.And the collection method of Chinese rubbish is the mixing reception; Kitchen in the rubbish is surplus and hogwash class amount of substance is higher; Moisture and putrescible matter are higher; Packed lack of standardization; Raw refuse " bag in the bag " form that is almost is thrown in and the interior material composition complexity of bag can't be classified; So we are commonly referred to as " high humidity composting " it possess following characteristic in field of environmental engineering:
1. mix and receive complicated component, packed thing content height; Conventional method can't normally effectively be classified.
2. moisture is big: average moisture 50%, and limit moisture is up to 70%, and calorific value is low; The kitchen is surplus, dregs class content is higher on average accounts for 50%.Separate with the dehydration difficulty bigger; It is higher to deal with energy consumption improperly.
3. easy corrupt content of material is higher; Deal with improperly and cause serious secondary pollution; Its typical composition sees the following form:
The typical composition statistics tabulation of China's rubbish
Above composition was tabulated with 2005, Shanghai and Nanjing, Nanning, four ground, Chongqing typical case's component content synthesis result.
In sum: the core technology of the recycling treatment of Chinese rubbish is the effective sorting and the deep dehydration process of rubbish, if the mode of finishing its recycling treatment that this process can be good, and the processing problems of recovery product just has been readily solved.
Chang Gui refuse classification and process are as shown in Figure 1 at home:
There is following problem in above-mentioned technical process:
1, the sorting of rubbish classification is main is subjected to component of refuse and moisture effects by screening and manual sorting, and rotary screen is frequent plug-hole in real work, if moisture more greatly then the balling-up of simply uniting can't embody its good classification effect.
2, the sorting of people's work point exists randomness strong, and the problem that organic efficiency is low had both improved labor cost, can't guarantee the good enforcement of technology again.
3, the deep dehydration of rubbish is mainly adopted drop from the method that combines with fermentation, mainly has following problem:
1) severe operational environment, secondary pollution is serious: adopt the method for draining and fermentation evaporation remove its cycle of moisture long, the bad smell gas emissions is big, the percolate generation is big, COD in the percolate, the high processing cost of BOD content are big.
2) be subjected to the refuse moisture variable effect, the serviceability of tunning is extremely unstable.
3) production process is discontinuous, and a large amount of organic matters is degraded to gas dischargings such as CO2, and the secondary value of tunning is lower.
The core process that Chinese in sum garbage as resource is handled is the effective sorting and the processing of efficient deep dehydration of rubbish.
Summary of the invention
The present invention provides a kind of rubbish that is suitable for the high humidity composting characteristic of China's actual conditions to carry out the garbage comprehensive treatment technology of sorting and deep dehydration in order to overcome defective of the prior art.
The present invention in order to realize the technical scheme that its technical purpose adopts is: a kind of garbage comprehensive treatment technology, this technology are suitable for the automatic sorting of rubbish and the deep dehydration of Chinese high humidity composting characteristic to be handled, and it is characterized in that: may further comprise the steps:
Step 1: sorting automatically, fragmentation:
To can utilize thing directly to reclaim in the municipal refuse, harmful fire-retardant thing cell safety landfill, all the other are by cylinder air-flow selection by winnowing, are divided into paper class and other lightweight organic matter and fresh plant, the kitchen is surplus, fresh plant is carried out fragmentation form high moisture thing with the kitchen is surplus;
Step 2: dehydration, recovery:
The high moisture thing that step 1 is produced carries out the cone disk type extrusion dehydration, produces moisture organic biodegradable component regenerant below 40% and reclaims, and paper class and other lightweight organic matter are reclaimed.
Concrete, in this programme, the assorting room of rubbish adopts the full automatic mechanical operation, and the utilized thing of described direct recovery comprises lightweight combustibles such as battery, metal, paper and plastics.
Advantage of the present invention is: the assorting room of rubbish adopts the full automatic mechanical operation, not only labor savings cost but also improve the organic efficiency of rubbish.The large quantity of moisture of rubbish is removed by the cone disk type press dewatering, its dewatering efficiency height, and the clean outlet energy consumption is low.Refuse classification and deep dehydration adopt Fully-mechanized pipelining, garbage disposal process material does not have trapping phenomena, no secondary fermentation, no percolate generation, mosquitos and flies and bad smell grade drop to bottom line, simultaneously the basic free of losses of calorific value of process combustible.The secondary of refuse classification thing utilizes condition better, and the garbage disposal resource utilization rate is higher than 90%, and the garbage disposal amount of landfill is less than 10%.
Below in conjunction with the drawings and specific embodiments the present invention is done comparatively detailed description.
Description of drawings
Fig. 1 is a domestic conventional refuse classification flow chart in the prior art.
Fig. 2 is an embodiment of the invention garbage comprehensive treatment technology flow chart.
The specific embodiment
Embodiment 1, and the garbage comprehensive treatment technology of present embodiment is a kind of automatic sorting of rubbish of Chinese high humidity composting characteristic and process of deep dehydration of being suitable for, and can will form four class materials behind automatic sorting of raw refuse and the deep dehydration by this method:
1, the high heating value low moisture material of paper and plastics class;
2, the moisture half wet material below 40% of coarse crushing surplus through the kitchen behind the deep dehydration and the plant class;
3, can utilize the direct recovery class of matter;
4, backfills such as inorganic stone, pottery, rubble, battery.
The process chart of present embodiment may further comprise the steps as shown in Figure 2:
Step 1: sorting automatically, fragmentation:
To can utilize thing directly to reclaim in the municipal refuse, harmful fire-retardant thing security landfill, all the other are by cylinder air-flow selection by winnowing, are divided into paper class and other lightweight organic matter and fresh plant, the kitchen is surplus, fresh plant is carried out fragmentation form high moisture thing with the kitchen is surplus;
In this step, the assorting room of rubbish adopts the full automatic mechanical operation, and directly the utilized thing that reclaims comprises lightweight combustibles such as metal, paper and plastics.Harmful fire-retardant thing just is meant backfills such as inorganic stone, pottery, rubble, battery.
In this step: automatically sorting, fragmentation: domestic waste is carried out effective automation sorting fragmentation extract hard materials such as wherein battery, metal, inorganic matter; In this process, can utilize rubbish to be divided into three major types:
One class is that its moistures of lightweight combustible paper such as paper and plastics are lower than 30%, directly secondary operations utilization.
Second class is the surplus mixture of earth and kitchen, and moisture is up to 60-70%.
The 3rd class is materials such as high moisture bright branch, tendril, sneaks into the second class material after shredding processing.
The assorting room of rubbish adopts the full automatic mechanical operation, not only labor savings cost but also improve the organic efficiency of rubbish.
Step 2: dehydration, recovery:
The high moisture thing that step 1 is produced carries out the cone disk type extrusion dehydration, produces moisture organic biodegradable component regenerant below 40% and reclaims.Be lower than 30%, directly secondary operations utilization to reaching its moistures of lightweight combustible paper such as plastics.
In this step, the mixture of above-mentioned two, three class materials is efficiently bored the dish press dewatering, its moisture content is reduced in 40%, the full water removal rate of material reaches more than 60%.The large quantity of moisture of rubbish is removed by the cone disk type press dewatering, its dewatering efficiency height, and the clean outlet energy consumption is low.
In the present embodiment, refuse classification and deep dehydration adopt Fully-mechanized pipelining, garbage disposal process material does not have trapping phenomena, and no secondary fermentation, no percolate generation, mosquitos and flies and bad smell grade drop to bottom line, simultaneously the basic free of losses of calorific value of process combustible.The secondary of refuse classification thing utilizes condition better, and the garbage disposal resource utilization rate is higher than 90%, and the garbage disposal amount of landfill is less than 10%.
To be the concrete workflow of present embodiment:
1, the reception of rubbish is isolated large piece article by grid to enter automatic letter sorting crushing system after disassembling.
2, the automatic broken bag letter sorting coarse crushing of rubbish: use a machine to finish, it is auxiliary not have anyone, reaches following class object by this equipment.
The first kind, for its moistures of lightweight combustible paper such as paper and plastics are lower than 30%, directly can carry out the commercialization utilization.
Second class is the surplus mixture of earth and kitchen, and moisture is up to 60%.
The 3rd class is materials such as bright branch, tendril, sneaks into the second class material after shredding processing.
The 4th class be battery, metal, glass, tile fragment, etc. the mixture of hard material, after the magnetic separation classification, the residue landfill.
3, extrusion dehydration: the mixture of above-mentioned two, three class materials is efficiently bored the dish press dewatering, its moisture content is reduced in 40%, the full water removal rate of material reaches more than 60%, possesses the condition of well utilizing.
Claims (2)
1. garbage comprehensive treatment technology, this technology are suitable for the automatic sorting of rubbish and the deep dehydration of Chinese high humidity composting characteristic to be handled, and it is characterized in that: may further comprise the steps:
Step 1: sorting automatically, fragmentation:
To can utilize thing directly to reclaim in the municipal refuse, harmful fire-retardant thing cell safety landfill, all the other are by cylinder air-flow selection by winnowing, are divided into paper class and other lightweight organic matter and fresh plant, the kitchen is surplus, fresh plant is carried out fragmentation form high moisture thing with the kitchen is surplus;
Step 2: dehydration, recovery:
The high moisture thing that step 1 is produced carries out the cone disk type extrusion dehydration, produces moisture organic biodegradable component regenerant below 40% and reclaims, and paper class and other lightweight organic matter are reclaimed.
2. a kind of garbage comprehensive treatment technology according to claim 1 is characterized in that: in the step 1, the utilized thing of described direct recovery comprises lightweight combustibles such as battery, metal, paper and plastics.
3. a kind of garbage comprehensive treatment technology according to claim 1 is characterized in that: in the step 1, the assorting room of rubbish adopts the full automatic mechanical operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224749 CN101884997B (en) | 2010-07-09 | 2010-07-09 | Process for comprehensively treating garbage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010224749 CN101884997B (en) | 2010-07-09 | 2010-07-09 | Process for comprehensively treating garbage |
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| Publication Number | Publication Date |
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| CN101884997A true CN101884997A (en) | 2010-11-17 |
| CN101884997B CN101884997B (en) | 2013-10-30 |
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| CN 201010224749 Expired - Fee Related CN101884997B (en) | 2010-07-09 | 2010-07-09 | Process for comprehensively treating garbage |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671919A (en) * | 2012-05-23 | 2012-09-19 | 四川中物环保科技有限公司 | Process method for extrusion-packaging and semi-aerobic dehydration for domestic garbage |
| CN103846270A (en) * | 2012-12-03 | 2014-06-11 | 上海锌特管道工程有限公司 | Resource recovery type household garbage processing method |
| CN107983744A (en) * | 2017-11-23 | 2018-05-04 | 深圳市中亿远环保科技有限责任公司 | A kind of Waste sorting recycle method |
| CN108589362A (en) * | 2018-05-16 | 2018-09-28 | 安徽省昌泰再生资源有限公司 | A kind of method of the dry separation of waste and old paper composite wallpaper |
| CN109675912A (en) * | 2019-01-28 | 2019-04-26 | 北京理工水环境科学研究院有限公司 | City landfill waste recycling treatment process |
| CN109719112A (en) * | 2018-08-03 | 2019-05-07 | 葛洲坝中材洁新（武汉）科技有限公司 | It is a kind of to utilize grout line cooperative disposal house refuse system |
| CN110479738A (en) * | 2019-08-25 | 2019-11-22 | 华电郑州机械设计研究院有限公司 | A kind of automatic dismantling crushing process system of whole packet material |
| CN112893385A (en) * | 2021-01-19 | 2021-06-04 | 江西楚杭环保科技有限公司 | Method for treating odor pollution of urban refuse landfill |
Citations (5)
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| JPH0971490A (en) * | 1995-09-08 | 1997-03-18 | Toho Denshi Kk | Garbage disposal method and device |
| CN1416972A (en) * | 2002-10-11 | 2003-05-14 | 韩洪波 | Fast and economic comprehensive city domestic refuse treating method |
| CN1460562A (en) * | 2003-06-15 | 2003-12-10 | 赵晓光 | High-effective environment-protecting harmless refuse treatment method |
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| CN1927479A (en) * | 2005-09-06 | 2007-03-14 | 周月春 | Process for treating organic aqueous domestic refuse |
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2010
- 2010-07-09 CN CN 201010224749 patent/CN101884997B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0971490A (en) * | 1995-09-08 | 1997-03-18 | Toho Denshi Kk | Garbage disposal method and device |
| CN1416972A (en) * | 2002-10-11 | 2003-05-14 | 韩洪波 | Fast and economic comprehensive city domestic refuse treating method |
| CN1460562A (en) * | 2003-06-15 | 2003-12-10 | 赵晓光 | High-effective environment-protecting harmless refuse treatment method |
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| CN1927479A (en) * | 2005-09-06 | 2007-03-14 | 周月春 | Process for treating organic aqueous domestic refuse |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102671919A (en) * | 2012-05-23 | 2012-09-19 | 四川中物环保科技有限公司 | Process method for extrusion-packaging and semi-aerobic dehydration for domestic garbage |
| CN103846270A (en) * | 2012-12-03 | 2014-06-11 | 上海锌特管道工程有限公司 | Resource recovery type household garbage processing method |
| CN107983744A (en) * | 2017-11-23 | 2018-05-04 | 深圳市中亿远环保科技有限责任公司 | A kind of Waste sorting recycle method |
| CN108589362A (en) * | 2018-05-16 | 2018-09-28 | 安徽省昌泰再生资源有限公司 | A kind of method of the dry separation of waste and old paper composite wallpaper |
| CN108589362B (en) * | 2018-05-16 | 2019-08-30 | 安徽省昌泰再生资源有限公司 | A kind of dry isolated method of waste and old paper composite wallpaper |
| CN109719112A (en) * | 2018-08-03 | 2019-05-07 | 葛洲坝中材洁新（武汉）科技有限公司 | It is a kind of to utilize grout line cooperative disposal house refuse system |
| CN109719112B (en) * | 2018-08-03 | 2023-09-08 | 葛洲坝中材洁新（武汉）科技有限公司 | System for cooperatively disposing household garbage by utilizing cement line |
| CN109675912A (en) * | 2019-01-28 | 2019-04-26 | 北京理工水环境科学研究院有限公司 | City landfill waste recycling treatment process |
| CN110479738A (en) * | 2019-08-25 | 2019-11-22 | 华电郑州机械设计研究院有限公司 | A kind of automatic dismantling crushing process system of whole packet material |
| CN112893385A (en) * | 2021-01-19 | 2021-06-04 | 江西楚杭环保科技有限公司 | Method for treating odor pollution of urban refuse landfill |
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| Publication number | Publication date |
|---|---|
| CN101884997B (en) | 2013-10-30 |
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