CN1376546A - Process for reclaiming excrement, urine and refuse in urban area - Google Patents
Process for reclaiming excrement, urine and refuse in urban area Download PDFInfo
- Publication number
- CN1376546A CN1376546A CN01129358A CN01129358A CN1376546A CN 1376546 A CN1376546 A CN 1376546A CN 01129358 A CN01129358 A CN 01129358A CN 01129358 A CN01129358 A CN 01129358A CN 1376546 A CN1376546 A CN 1376546A
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- China
- Prior art keywords
- water
- rubbish
- gas
- comprehensive utilization
- biogas
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Classifications
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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- 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
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
A process for comprehensive utilization of excrement, urine and refuse in urban area includes such steps as respective pretreating, washing the solid resultant, mixing the deposits to obtain composite fertilizer, generating marsh gas from excrement and urine, generating heat by burning refuse with marsh gas, and using the heat to generate electric energy.
Description
The present invention relates to the method for comprehensive utilization of a kind of urban night soil and rubbish.
At present the dejecta treatment method in city is by three grades of septic tanks ight soil to be dissolved, degenerate, then discharging or as agricultural fertilizer, the intestinal bacteria of ight soil produce secondary to the mankind and endanger; The black sour water nature desorb of discharging from septic tank slowly can pollute the water source.
The domestic refuse in city comprises cinder, dish leaf, leaf, the rubbish of sweeping the floor, plastic waste packing bag and other waste.The common treatment process of domestic refuse has three kinds: a kind of is the During High-Temperature Composting method, promptly domestic refuse is concentrated to be deposited in together, and the temperature that is produced by spontaneous fermentation reaches treatment effect.This stacking method has following deficiency: the one, because of the leakage pollution underground water source, cause chronic pollution; The 2nd, fermentation time is long, causes refuse to exist everywhere because of blowing, and propagates dust, germ, virus etc., directly jeopardizes the human physical and mental health; The 3rd, can not reach the harmless treatment effect fully.Second kind is burning method, the waste incineration meeting produces dioxin (DioXin) class toxic gas, common generation toxic gas as: with vinyl chloride type polymer polychlorostyrene thing, burn heat and disengage that the hydrogen atom among the methane CH4 combines generation hydrogenchloride HCI toxic gas in chlorine body CI2 and the rubbish in the rubbish; The material of saliferous NaCI is separated out and the acidulants that addles is burned heat seal and produced the hydrochloric acid toxic gas in the rubbish.The third is a landfill method, promptly rubbish is embedded in undergroundly, and this method has also caused the chronic pollution of underground water source and soil.The effect of rubbish anaerobic bacterium produces biogas (hole gas), and the possibility of spontaneous combustion, blast is arranged at any time.
More than three kinds of treatment processs all can cause secondary pollution to environment, the product after the processing can not be used as renewable resource.
Purpose of the present invention is exactly a kind of domestic refuse and decontamination of human excreta are handled and as the renewable resource comprehensive utilization method.
Technical scheme of the present invention is:
At first municipal wastes and ight soil are handled respectively, and the generation thing after handling is carried out synthesis use;
Wherein the treatment step of rubbish is:
1, carries out high-pressure spraying;
2, porcelain, brick, stone are manually removed in artificial separation for the first time, reclaim glass, plastics, stationery, dry goods, iron, copper, aluminium, with the strong magnetic class material that taps a blast furnace;
3, in rotary drum washer, clean;
4, artificial separation for the second time except that the remaining article of sorting sorting for the first time, also picks old and useless battery.
5, in remaining rubbish, sneak into coal dust and biogas burns in boiler.
The treatment process of described ight soil is: the fermentation of organic wastes such as urban night soil and careless class being carried out anaerobic bacteria is decomposed; Product after the described refuse treatment has ashes, heat water washing and precipitating thing; The processing product of described ight soil is biogas and pasty state biogas slag, and their method of comprehensive utilization is:
A, the pasty solid product washing throw out that ashes and ight soil are handled are mixed and made into compound manure;
B, biogas is used for burning away the refuse and the heat of its generation is used for generating.
Carry out the filtering-depositing processing to cleaning the sewage that produces in described refuse treatment step 1 and the step 3, its step comprises:
(1) in grooved filter sand pond, filters;
(2) precipitate in settling tank, its precipitation object is as composite fertilizer material;
(3) finly filtration, the water after will filtering then deliver to described high-pressure spraying and the cylinder cleaning is used as recirculated water.
The gas that is produced in the described refuse treatment step 5 discharges after steps of processing:
(1) multistage water film dedusting: earlier with the oil tar in the saturated hot-water thermal polymerization method eliminating gas; Use multistage clean recirculated water, tap water (river or underground water that the most handy chlorine root is low) to absorb energy water-soluble toxic gas and flue dust then;
(2) carrying out aqueous vapor separates: the bottom at S shape treating column separates;
(3) dry absorption; Absorb moisture generation slaked lime in the gas with lime, this slaked lime absorbs the chlorine composition of chlorine root compounds in gas, to decompose dioxin point toxic gas, generates chlorinated lime and supplies to purify waste water usefulness:
(4) through activated carbon adsorption residue trace toxic gas.
Fermentation in the described dejecta treatment method and decomposition are carried out under the air tight condition of 70%～90%RH at 30～50 ℃.
Advantage of the present invention is: use free resource-ight soil to make biogas, removing to burn free resource-rubbish with this biogas again produces the steam dynamic power, makes composite fertilizer and forms round-robin environmental protection system with urban life, anhydrous outer discharging, no poison gas discharging, existing social benefit has an economic benefit again.
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the programchart of embodiments of the invention;
Fig. 2 is the ecosphere synoptic diagram that utilizes the present invention to constitute.
Referring to Fig. 1, the present invention at first handles respectively municipal wastes and ight soil, and the generation thing after handling is carried out synthesis use;
Wherein the treatment step of rubbish is:
1, carry out high-pressure spraying, the sewage of generation is delivered to the husky pond of grooved and is handled;
2, artificial separation is for the first time manually removed porcelain, brick, stone is buried or be used for banketing; Reclaim glass, plastics, stationery, dry goods, iron, copper, aluminium,, regenerant is sent into recovery bin with the class material recovery of tapping a blast furnace of strong magnetic;
3, clean in rotary drum washer, the sewage of generation is delivered to grooved filter sand pond and is handled;
4, artificial separation for the second time except that the remaining article of sorting sorting for the first time, also picks old and useless battery;
5, in remaining rubbish, sneak into coal dust and biogas burns in boiler, rubbish and coal dust are mixed and send into boiler with worm conveyor.
The treatment process of described ight soil is: the fermentation of organic wastes such as urban night soil and careless class being carried out anaerobic bacteria is decomposed; At 30～50 ℃, under the air tight condition of 70%～90%RH, in biogas generator, carry out.
Product after the described refuse treatment has ashes, heat; The processing product of described ight soil is biogas and biogas slag, and their method of comprehensive utilization is:
A is mixed and made into compound manure with pasty solid product, the water washing and precipitating thing of ashes and ight soil processing;
B goes biogas to burn away the refuse and the heat of its generation is used for generating,
Carry out the filtering-depositing processing to cleaning the sewage that produces in described refuse treatment step 1 and the step 3, its step comprises:
3.1 in grooved filter sand pond, filter, the glass cullet that filter out, little sandstone is used for banketing;
3.2 precipitate in settling tank, its precipitation object is delivered to agricultural composite fertilizer factory and is made composite fertilizer as composite fertilizer material;
3.3 finly filtration in filtering basin, the water after will filtering are then delivered to described high-pressure spraying and the cylinder cleaning is used as recirculated water.
The gas that is produced in the described refuse treatment step 5 discharges after steps of processing:
5.1 multistage water film dedusting: earlier with the oil tar in the saturated hot-water thermal polymerization method eliminating gas; Use multistage clean recirculated water, tap water (river or underground water that the most handy chlorine root is low) to absorb energy water-soluble toxic gas and flue dust then;
5.2 carrying out aqueous vapor separates: the bottom at S shape treating column carries out;
5.3 dry absorption: in 5.2 treating column, absorb moisture generation slaked lime in the gas with lime, this slaked lime absorbs the chlorine composition of chlorine root compounds in the gas, to decompose the dioxin toxic gas, generate chlorinated lime for purifying waste water usefulness, carry out in the treating column in 5.2;
5.4, also carry out in the treating column in 5.2 through activated carbon adsorption residue trace toxic gas.
The used burning boiler of step 5 adopts chain type tunnel boiler structure among the present invention, the rectangular branch of the trees of burning bar, smallclothes bamboo wood furniture, pig, dog class carcase, can also support meet the infringement to boiler of firecracker, fireworks, detonator class explosives, boiler must possess above working conditions could be to extremely complicated refuse treatment burning.
Combustion fuel has three kinds, and a kind of is the uneven combustiblerefuse of incendivity calorific value; The 2nd, mix the combustion-supporting burning of some fine coal; The 3rd, guarantee furnace temperature (can reach 1400 ℃ during biogas perfect combustion) with biogas, can make the first two plant material perfect combustion, and can regulate the furnace temperature balance, particularly individual bigger carcase is handled and more needs higher temperature combustion-supporting.
Composite fertilizer among the comprehensive utilization A of the present invention can make three kinds of formulations by the following method:
1. settling tank, the filtering basin rubbish mud of filtering solid carbon dioxide mix with the boiler high temperature slag, carry out sterilization and drying treatment, obtain powdery fertilizer after screening.
2. with the thick shape liquid spray of the biogas behind producing methane powdery fertilizer, through reciprocating sieve effect rolling granular compound fertilizer.
3. eliminate various viruses, drying, pack the high corruption that non-secondary pollution of giving birth to and plant matter composite fertilizer with the low-pressure steam high temperature after the generating.
Referring to Fig. 2, utilize the present invention can constitute the City Green ecosphere.Product of the present invention can be made fertilizer, produce electric power, thermal source, fertilizer is used for the vegetables base and produces vegetables and non-edible ornamental plant, these products are through market supply family dining table and life, change ight soil and rubbish from family into, these ight soil and rubbish are collected through the present invention and finish an ecological circulation.
Claims (5)
1, the method for comprehensive utilization of a kind of urban night soil and rubbish is characterized in that: at first municipal wastes and ight soil are handled respectively, and the generation thing after handling is fully utilized;
Wherein the treatment step of rubbish is:
(1) carries out high-pressure spraying;
(2) porcelain, brick, stone are manually removed in artificial separation for the first time, reclaim glass, plastics, paper
Class, dry goods, iron, copper, aluminium are with the strong magnetic class material that taps a blast furnace;
(3) in rotary drum washer, clean;
(4) artificial separation for the second time except that the remaining article of sorting sorting for the first time, also picks old and useless battery;
(5) in remaining rubbish, sneak into coal dust and biogas burns in boiler;
The treatment process of described ight soil is: the fermentation of organic wastes such as urban night soil and careless class being carried out anaerobic bacteria is decomposed;
Product after the described refuse treatment has ashes, heat water washing and precipitating thing; The processing product of described ight soil is biogas and pasty state biogas slag, and their method of comprehensive utilization is:
A is mixed and made into compound manure with the solid product and the water washing and precipitating thing of ashes and ight soil processing;
B is used for biogas to burn away the refuse and the heat of its generation is used for generating.
2, the method for comprehensive utilization of urban night soil according to claim 1 and rubbish is characterized in that: carry out the filtering-depositing processing to cleaning the sewage that produces in described refuse treatment step (1) and the step (3), its step comprises:
(1) in grooved filter sand pond, filters;
(2) precipitate in settling tank, its precipitation object is as composite fertilizer material;
(3) finly filtration, the water after will filtering then deliver to described high-pressure spraying and the cylinder cleaning is used as recirculated water.
3, the method for comprehensive utilization of urban night soil according to claim 1 and rubbish is characterized in that: the gas that is produced in the described refuse treatment step (5) discharges after steps of processing:
(1) multistage water film dedusting: earlier with the oil tar in the saturated hot-water thermal polymerization method eliminating gas; Absorb energy water-soluble toxic gas and flue dust with multistage clean recirculated water, tap water then;
(2) carrying out aqueous vapor separates: the bottom at S shape treating column separates;
(3) dry absorption; Absorb moisture generation slaked lime in the gas with lime, this slaked lime absorbs the chlorine composition of chlorine root compounds in gas, to decompose the dioxin toxic gas, generates chlorinated lime for purifying waste water usefulness;
(4) through activated carbon adsorption residue trace toxic gas.
4, the method for comprehensive utilization of urban night soil according to claim 1 and rubbish is characterized in that: fermentation in the described dejecta treatment method and decomposition are carried out under the air tight condition of 70%～90%RH at 30～50 ℃.
5, the method for comprehensive utilization of urban night soil according to claim 3 and rubbish is characterized in that: the water that uses in described gas processing step (1) is chlorine root low river or underground water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011293586A CN1162226C (en) | 2001-06-13 | 2001-06-13 | Process for reclaiming excrement, urine and refuse in urban area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011293586A CN1162226C (en) | 2001-06-13 | 2001-06-13 | Process for reclaiming excrement, urine and refuse in urban area |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1376546A true CN1376546A (en) | 2002-10-30 |
| CN1162226C CN1162226C (en) | 2004-08-18 |
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ID=4669111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011293586A Expired - Fee Related CN1162226C (en) | 2001-06-13 | 2001-06-13 | Process for reclaiming excrement, urine and refuse in urban area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1162226C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357647A (en) * | 2013-07-25 | 2013-10-23 | 何国森 | Garbage classification processing method |
| CN103848649A (en) * | 2012-11-28 | 2014-06-11 | 黄建斌 | Production method and equipment for conversion of human faeces into fertilizer and fertilizer produced thereby |
| CN105724117A (en) * | 2016-02-01 | 2016-07-06 | 河海大学 | Circular stereoscopic agriculture equipment system |
| CN106090933A (en) * | 2016-06-17 | 2016-11-09 | 北京高能时代环境技术股份有限公司 | The method and device of one way of life waste incineration and generating electricity |
| CN110447342A (en) * | 2019-09-16 | 2019-11-15 | 王元华 | A kind of resource circulation utilization formula ecologic breeding recreation farm |
| CN110822442A (en) * | 2019-11-07 | 2020-02-21 | 中国电建集团吉林省电力勘测设计院有限公司 | Biomass energy-based comprehensive heat supply system for life and coordination method |
-
2001
- 2001-06-13 CN CNB011293586A patent/CN1162226C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103848649A (en) * | 2012-11-28 | 2014-06-11 | 黄建斌 | Production method and equipment for conversion of human faeces into fertilizer and fertilizer produced thereby |
| CN103848649B (en) * | 2012-11-28 | 2015-06-24 | 黄建斌 | Production method and equipment for conversion of human faeces into fertilizer and fertilizer produced thereby |
| CN103357647A (en) * | 2013-07-25 | 2013-10-23 | 何国森 | Garbage classification processing method |
| CN105724117A (en) * | 2016-02-01 | 2016-07-06 | 河海大学 | Circular stereoscopic agriculture equipment system |
| CN106090933A (en) * | 2016-06-17 | 2016-11-09 | 北京高能时代环境技术股份有限公司 | The method and device of one way of life waste incineration and generating electricity |
| CN110447342A (en) * | 2019-09-16 | 2019-11-15 | 王元华 | A kind of resource circulation utilization formula ecologic breeding recreation farm |
| CN110822442A (en) * | 2019-11-07 | 2020-02-21 | 中国电建集团吉林省电力勘测设计院有限公司 | Biomass energy-based comprehensive heat supply system for life and coordination method |
| CN110822442B (en) * | 2019-11-07 | 2021-04-13 | 中国电建集团吉林省电力勘测设计院有限公司 | Biomass energy-based comprehensive heat supply system for life and coordination method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1162226C (en) | 2004-08-18 |
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20040818 Termination date: 20110613 |