CN105983566A - Domestic sewage and rubbish, dining-room kitchen waste and riverway sludge integrated treatment process - Google Patents
Domestic sewage and rubbish, dining-room kitchen waste and riverway sludge integrated treatment process Download PDFInfo
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- CN105983566A CN105983566A CN201510093432.6A CN201510093432A CN105983566A CN 105983566 A CN105983566 A CN 105983566A CN 201510093432 A CN201510093432 A CN 201510093432A CN 105983566 A CN105983566 A CN 105983566A
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- 238000000034 method Methods 0.000 title claims abstract description 64
- 230000008569 process Effects 0.000 title claims abstract description 42
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 35
- 239000010865 sewage Substances 0.000 title claims abstract description 31
- 239000010802 sludge Substances 0.000 title claims abstract description 30
- 239000010806 kitchen waste Substances 0.000 title abstract 6
- 238000004064 recycling Methods 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 17
- 238000000855 fermentation Methods 0.000 claims description 13
- 230000004151 fermentation Effects 0.000 claims description 12
- 238000001556 precipitation Methods 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 9
- 239000010413 mother solution Substances 0.000 claims description 9
- 239000000047 product Substances 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 239000000567 combustion gas Substances 0.000 claims description 6
- 239000008396 flotation agent Substances 0.000 claims description 6
- 239000003546 flue gas Substances 0.000 claims description 6
- 239000003895 organic fertilizer Substances 0.000 claims description 6
- 238000004062 sedimentation Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 231100000719 pollutant Toxicity 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 238000005188 flotation Methods 0.000 claims description 3
- 238000007885 magnetic separation Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000002689 soil Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 239000010791 domestic waste Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009264 composting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 235000012054 meals Nutrition 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
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- 229910052698 phosphorus Inorganic materials 0.000 description 1
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- 231100000614 poison Toxicity 0.000 description 1
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- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
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- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a domestic sewage and rubbish, dining-room kitchen waste and riverway sludge integrated treatment process. The household garbage and rubbish, dining-room kitchen waste and riverway sludge integrated treatment process mainly comprises the following technological procedures of (1) domestic garbage pretreatment and dining-room kitchen waste pretreatment; (2) domestic sewage and rubbish, dining-room kitchen waste and riverway sludge comprehensive treatment; and (3) product terminal treatment. Domestic sewage, domestic rubbish, dining-room kitchen waste and riverway sludge are treated through the integrated treatment process to be subject to reduction, harmless and recycling treatment, a conventional separated treatment process is simplified, the treatment period is shortened, and the beneficial effects of being less in investment, less in occupied land and free of secondary pollution are achieved.
Description
Technical field
The present invention relates to sewage disposal and field of solid waste treatment, it be one way of life sewage and rubbish, kitchen castoff and riverway sludge integrated processing technique.
Background technology
China's city rural economy fast-developing, population in recent years is continuously increased, along with the generation of more sanitary sewages, house refuse and kitchen castoff while the raising of people's living standard, its complexity the most day by day increases, if carrying out harmless treatment the most in time, environment and health can be caused great threat.Riverway sludge comes from organic in river water and the precipitation of clay mineral, also due to the reason such as artificial destruction, Regional Erosion, the mud accumulating amount in basin, river course grows with each passing day, and this can cause river course to block, the traffic capacity reduces, and causes ecological environment to be destroyed.Strong desilting work must be carried out, to realize the sustainable development of environment.
The tupe of present stage house refuse be divided into focus on and dispersion process.The pattern of focusing on is by domestic waste collection, transports, is transported to unified domestic rubbish disposal system, processes technique and is generally sanitary landfills and burning.The main processing ways that dispersion processes is landfill, generally requires employing categorised collection and just can reach innoxious requirement when composting mode is combined.The sorting of house refuse has the i.e. mechanical vibration of selecting crude drugs with winnower and gravity separation to sort.Sorting step energy consumption is big, and efficiency is low, for large scale rubbish acquisition process and be not suitable for.Sanitary landfills has that site is limited, it is big to take up an area, validity period is limited, and water, gas pollute can not the thorough defect such as solution.Burning disposal can make the junk volume being processed reduce about 80-95%, and quality also substantially reduces, and reaches junk minimizing.But house refuse waste component is complicated, changeable containing moisture and physics, chemical property, the most also combustible component with do not fire component, combustion apparatus is required height, causes burning mode to be invested and operational and administrative expenses is high.Especially for the most sorted rubbish, burning facility such as fluid bed domestic waste incineration does not adapts to.Investment is big, running expense high, refuse thermal value low can not utilize, efficiency of combustion is low, and burning disposal can not reach innoxious, resource.
The method of sanitary sewage disposal mainly uses bioanalysis, mainly has the technology such as SBR, oxidation ditch, and what application now was more also has artificial swamp, soil filtration, stabilization pond and purifying biogas generating pit.
Kitchen castoff, due to nutritious, easily rots, and grows pathogenic bacteria, and main processing mode is fodder, fills up or burn power supply, compost treatment, producing methane through anaerobic fermentation etc., and waste after meal has high recycling prospect.
Riverway sludge processes and uses relatively broad method to have composted, low temperature mummification and mud brickmaking.Containing nutrients such as abundant Organic substance and a certain amount of nitrogen, phosphorus, potassium, after During High-Temperature Composting and biochemical treatment, such as physics dehydration, dispel noxious substance, cured etc., also acting as agricultural earthing, garbage stacking yard overburden soil, urban green space soil, river levee Roadbed Soil, comprehensive utilization ratio, reduction production cost for raising riverway sludge are significant.
From a large amount of sanitary sewages of people's daily life, house refuse, kitchen castoff, and the riverway sludge of the bulk deposition grown with each passing day that anthropic factor causes, there is the common features such as dispersion, wide, pollution source is many, discharge capacity is big, become to be grouped into that also to have be greatly all biodegradable material, biodegradability is good, and heavy metal and poisonous and hazardous material are relatively fewer.For the polluter of aforementioned any single kind, using single special process separately to process, treatment effect is the most considerable, but individually the construction of technique and operation, maintenance management etc. put into also can relative distribution specially to, overall investment is excessive, and economic feasibility is little, and cost benefit is extremely low.Separately Processing Equipment also can independently be taken up an area, and causes land resource to waste.
Summary of the invention
It is an object of the invention to overcome existing sanitary sewage, house refuse, kitchen castoff and riverway sludge to separate the technological deficiency processed, sanitary sewage, house refuse, kitchen castoff and riverway sludge are placed in a kind of integrated processing technique and carry out minimizing, innoxious, disposal of resources, reach to invest little, take up an area less, the beneficial effect of non-secondary pollution.
One technical scheme of the present invention is: sanitary sewage and rubbish, kitchen castoff and riverway sludge integrated processing technique.The main flow of this technique is:
(1) house refuse, kitchen castoff pretreatment；
(2) sanitary sewage and rubbish, kitchen castoff and riverway sludge integrated treatment；
(3) product terminal processes.
The preprocessing process of described flow process (1) house refuse and kitchen castoff is: the house refuse of collection first passes through trash compactor and makes garbage truck, then splits output entrance floation tank after granulating sheared by conjunction extruder through screw rod；Kitchen castoff puts into floation tank after pulverizer is pulverized.
Described flow process (2) sanitary sewage and rubbish, kitchen castoff with riverway sludge integrated disposal processing be: house refuse knocks down floation tank after grainy treatment, the size-reduced process of kitchen castoff in the lump; sanitary sewage and riverway sludge are introduced directly into floation tank; at pollutant each in floation tank after flotation agent effect, with flotation mother solution through mechanical grille；The solid-state floating substance that mechanical grille intercepts enters solid fermentation pond, and the mother solution after interception is through line Sedimentation tank；The supernatant backflow of Sedimentation tank is supplemented to front end floation tank, and after the end liquid entrance culture pond screening specific flora of domestication, return pipe is to solid fermentation pond；The Leachate site that solid fermentation pond separates out returns culture pond, and the collecting methane treatment and purification post fuel of generation utilizes；Precipitation solid enters product Terminal Treating.Water in described flotation agent mother solution is mainly fed after treatment by sanitary sewage.
The process of described flow process (3) product terminal processes is: biogas slurry and the biogas residue of the fermented part obtained enter organic fertilizer production equipment as agricultural organic fertilizer raw material；The biogas part that fermentation produces enters combustion gas compression device as cleaning fuel, additionally utilizes fuel directly as boiler combustion gas, and precipitation solid sterilizing both can be reduced again flue gas blackness of the exhaust by the high-temperature flue gas of generation；Sterilized solid precipitation material is through magnetic separation recovery metal with recycling, and remaining solid garbage carries out innoxious landfill.
Compared with existing technique, the invention has the beneficial effects as follows:
Sanitary sewage, house refuse, kitchen castoff are placed in a kind of integrated processing technique by the present invention with riverway sludge, and the installation of equipment puts into relatively separately process and decreases, and operating cost reduces simultaneously, and floor space tails off.This invention simplifies the process technique of all kinds of domestic waste pollutant, shortening processes the cycle, can also reach resource and mutually utilize in process engineering, and such as sanitary sewage can be that floation tank water feeds.In the present invention, house refuse is without categorised collection, but directly carries out wet concentration, and solid, liquid are respectively processed, and is finally capable of wastes reduction, innoxious, the purpose of resource.
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical method of the present invention, the present invention is described in detail in conjunction with the drawings and the specific embodiments.
As it is shown in figure 1, sanitary sewage and rubbish, kitchen castoff and riverway sludge integrated processing technique, mainly include following flow process:
(1) house refuse, kitchen castoff pretreatment；
(2) sanitary sewage and rubbish, kitchen castoff and riverway sludge process；
(3) product terminal processes.
The preprocessing process of flow process (1) house refuse and kitchen castoff is: the house refuse of collection first passes through trash compactor and makes garbage truck, then splits output entrance floation tank after granulating sheared by conjunction extruder through screw rod；Kitchen castoff puts into floation tank after pulverizer is pulverized.
Flow process (2) sanitary sewage and rubbish, kitchen castoff with riverway sludge processing procedure be: house refuse knocks down floation tank after grainy treatment, the size-reduced process of kitchen castoff in the lump; sanitary sewage and riverway sludge are introduced directly into floation tank; at pollutant each in floation tank after flotation agent effect, with flotation mother solution through mechanical grille；The solid-state floating substance that mechanical grille intercepts enters solid fermentation pond, and the mother solution after interception is through line Sedimentation tank；The supernatant backflow of Sedimentation tank is supplemented to front end floation tank, and after the end liquid entrance culture pond screening specific flora of domestication, return pipe is to solid fermentation pond；The Leachate site that solid fermentation pond separates out returns culture pond, and the collecting methane treatment and purification post fuel of generation utilizes；Precipitation solid enters product Terminal Treating.Water in flotation agent mother solution is mainly fed by after sanitary sewage disposal.
The process of flow process (3) product terminal processes is: biogas slurry and the biogas residue of the fermented part obtained enter organic fertilizer production equipment as agricultural organic fertilizer raw material；The biogas part that fermentation produces enters combustion gas compression device as cleaning fuel, additionally utilizes fuel directly as boiler combustion gas, and precipitation solid sterilizing both can be reduced again flue gas blackness of the exhaust by the high-temperature flue gas of generation；Sterilized solid precipitation material is through magnetic separation recovery metal with recycling, and remaining solid garbage carries out innoxious landfill.
Below it is only the preferred embodiments of the present invention, is not construed as limitation of the present invention, any equivalent within present invention spirit and spirit, revise and improvement etc., belong to protection scope of the present invention.
Claims (5)
1. sanitary sewage and rubbish, kitchen castoff and riverway sludge integrated processing technique, it is characterised in that main flow includes:
(1) house refuse, kitchen castoff pretreatment；
(2) sanitary sewage and rubbish, kitchen castoff and riverway sludge integrated treatment；
(3) product terminal processes.
Sanitary sewage the most according to claim 1 and rubbish, kitchen castoff and riverway sludge integrated processing technique; it is characterized in that; the preprocessing process of flow process (1) house refuse and kitchen castoff is: the house refuse of collection first passes through trash compactor and makes garbage truck, then splits output entrance floation tank after granulating sheared by conjunction extruder through screw rod；Kitchen castoff puts into floation tank after pulverizer is pulverized.
Sanitary sewage the most according to claim 1 and rubbish, kitchen castoff and riverway sludge integrated processing technique; it is characterized in that; flow process (2) sanitary sewage and rubbish, kitchen castoff with riverway sludge integrated treatment processing procedure be: house refuse knocks down floation tank after grainy treatment, the size-reduced process of kitchen castoff in the lump; sanitary sewage and riverway sludge are introduced directly into floation tank; at pollutant each in floation tank after flotation agent effect, with flotation mother solution through mechanical grille；The solid-state floating substance that mechanical grille intercepts enters solid fermentation pond, and the mother solution after interception is through line Sedimentation tank；The supernatant backflow of Sedimentation tank is supplemented to front end floation tank, and after the end liquid entrance culture pond screening specific flora of domestication, return pipe is to solid fermentation pond；The Leachate site that solid fermentation pond separates out returns culture pond, and the collecting methane treatment and purification post fuel of generation utilizes；Precipitation solid enters product Terminal Treating.
Sanitary sewage the most according to claim 3 and rubbish, kitchen castoff and riverway sludge integrated processing technique, it is characterised in that the water in described flotation agent mother solution is mainly fed by after sanitary sewage disposal.
Sanitary sewage the most according to claim 1 and rubbish, kitchen castoff and riverway sludge integrated processing technique, it is characterized in that, the process of flow process (3) product terminal processes is: biogas slurry and the biogas residue of the fermented part obtained enter organic fertilizer production equipment as agricultural organic fertilizer raw material；The biogas part that fermentation produces enters combustion gas compression device as cleaning fuel, additionally utilizes fuel directly as boiler combustion gas, and precipitation solid sterilizing both can be reduced again flue gas blackness of the exhaust by the high-temperature flue gas of generation；Sterilized solid precipitation material is through magnetic separation recovery metal with recycling, and remaining solid garbage carries out innoxious landfill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093432.6A CN105983566A (en) | 2015-03-03 | 2015-03-03 | Domestic sewage and rubbish, dining-room kitchen waste and riverway sludge integrated treatment process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093432.6A CN105983566A (en) | 2015-03-03 | 2015-03-03 | Domestic sewage and rubbish, dining-room kitchen waste and riverway sludge integrated treatment process |
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| Publication Number | Publication Date |
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| CN105983566A true CN105983566A (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510093432.6A Pending CN105983566A (en) | 2015-03-03 | 2015-03-03 | Domestic sewage and rubbish, dining-room kitchen waste and riverway sludge integrated treatment process |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694519A (en) * | 2017-01-04 | 2017-05-24 | 深圳业高环保科技有限公司 | High temperature and no waste comprehensive treatment production process of domestic garbage |
| CN106890841A (en) * | 2017-03-03 | 2017-06-27 | 山东许中华环保科技有限公司 | Organic waste ecological circulation recycling processing method |
| CN107986583A (en) * | 2018-01-03 | 2018-05-04 | 深圳市三林生物科技工程有限公司 | Zero-emission treatment system and treatment method for pollutants in commercial and residential districts |
| CN109320028A (en) * | 2018-12-10 | 2019-02-12 | 重庆固润科技发展有限公司 | The system and method for kitchen garbage and sanitary sewage integration in-situ treatment |
| CN112871956A (en) * | 2020-12-28 | 2021-06-01 | 曹露 | Medical waste recycling device |
| CN113182313A (en) * | 2021-03-01 | 2021-07-30 | 同济大学 | Multi-source organic solid waste disposal system and method for recycling pollutants |
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| CN102286541A (en) * | 2011-07-14 | 2011-12-21 | 中城泓天(北京)环境科技发展有限公司 | Method for preparing biogas through food waste, urban sludge and urban excrement |
| CN103357653A (en) * | 2013-07-23 | 2013-10-23 | 邓锦新 | Household refuse and domestic sewage synchronous processing method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106694519A (en) * | 2017-01-04 | 2017-05-24 | 深圳业高环保科技有限公司 | High temperature and no waste comprehensive treatment production process of domestic garbage |
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| CN107986583A (en) * | 2018-01-03 | 2018-05-04 | 深圳市三林生物科技工程有限公司 | Zero-emission treatment system and treatment method for pollutants in commercial and residential districts |
| CN109320028A (en) * | 2018-12-10 | 2019-02-12 | 重庆固润科技发展有限公司 | The system and method for kitchen garbage and sanitary sewage integration in-situ treatment |
| CN112871956A (en) * | 2020-12-28 | 2021-06-01 | 曹露 | Medical waste recycling device |
| CN113182313A (en) * | 2021-03-01 | 2021-07-30 | 同济大学 | Multi-source organic solid waste disposal system and method for recycling pollutants |
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