CN101880119B - Comprehensive treatment technique for biochemical sludge and waste oil - Google Patents
Comprehensive treatment technique for biochemical sludge and waste oil Download PDFInfo
- Publication number
- CN101880119B CN101880119B CN200910039251XA CN200910039251A CN101880119B CN 101880119 B CN101880119 B CN 101880119B CN 200910039251X A CN200910039251X A CN 200910039251XA CN 200910039251 A CN200910039251 A CN 200910039251A CN 101880119 B CN101880119 B CN 101880119B
- Authority
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- China
- Prior art keywords
- biochemical sludge
- waste oil
- destructive distillation
- oil
- sludge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 53
- 239000002699 waste material Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000000197 pyrolysis Methods 0.000 claims abstract description 32
- 239000000446 fuel Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims description 19
- 239000003610 charcoal Substances 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 239000002283 diesel fuel Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 238000005755 formation reaction Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 31
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000000295 fuel oil Substances 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 235000019198 oils Nutrition 0.000 description 25
- 238000005516 engineering process Methods 0.000 description 8
- 238000001035 drying Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000002551 biofuel Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 240000007842 Glycine max Species 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 230000001364 causal effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000249 desinfective Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002906 microbiologic Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000010773 plant oil Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 230000001954 sterilising Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002194 synthesizing Effects 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes
Abstract
The invention relates to a comprehensive treatment technique for biochemical sludge and waste oil (such as catering hogwash oil), comprising a biochemical sludge dry distillation treatment technique and a waste oil treatment technique. The process comprises the following steps: filter pressing and purifying the waste oil, and mixing with diesel according to a certain proportion to prepare a mixed fuel oil; taking the mixed fuel oil as a fuel; and under the conditions of seal, no oxygen and an unfired and high-temperature state, carrying out dry distilling on the biochemical sludge to convert water in the biochemical sludge to vapor under the conditions of sealing, no oxygen and non-consumption high temperature, converting part of the biochemical sludge to a combustible gas and converting part of the biochemical sludge to biocarbon. By using the invention, the cost of the biochemical sludge dry distillation treatment is greatly reduced and the related waste oil is used to obtain a clean renewable energy source, and the technique of the invention can be used for preventing the catering hogwash oil from flowing into a dinning-table to affect health of people.
Description
Technical field
The present invention relates to the green technology of a kind of Pollutant Treatment and regeneration, particularly a kind of biochemical sludge and waste oil comprehensive treatment technique belong to the environmental protection and energy saving technical field.
Background technology
The mode that present China sludge treatment is taked has several treatment technologies such as Ocean dumping, sanitary landfill, burning, mud heat drying, compost, in China's sludge disposal, mud is agricultural to account for 45%, and the land landfill accounts for 31%, other handles about 10%, compost treatment about 14%.So-called Ocean dumping promptly directly is poured onto biochemical sludge in the ocean, utilizes the self-purification capacity of ocean to handle biochemical sludge, but at present in the world various countries substantially do not allow toward Ocean dumping mud; Sanitary landfill is about to directly to enter refuse landfill after the biochemical sludge water ratio is reduced to below 60% and carries out landfill disposal, and sanitary landfill is simple to operate, expense is low, but the land occupation amount is big, and effusion is difficult, influences lithic drainage; Burn, it utilizes incinerator with the dewatered sludge heat drying, uses the organism in the high temperature oxidation mud again, makes mud become a small amount of ashes, and this technical finesse is thorough, and its volume reduction rate can reach 95%, but the expense height.The mud heat drying refers to utilize heat to destroy jelling structure in the mud, and to the mud sterilization that carries out disinfection, can make mud significantly subtract appearance, product is stable, odorless and do not have causal organism, sludge product purposes after the drying and other treatment is many, but the facility investment height as for the sludge composting technology, is a treating processes of utilizing the aerobic microbiological bacterium in the mud that mud is fermented, its advantage is to utilize bioenergy, save energy, fertilizer efficiency is good, but that shortcoming is a floor space is big, the cycle long, produce foul smell etc.
Because petroleum-based energy is in short supply, add biofuel nontoxicity, degradable, have good environment-friendly function and higher calorific value, developed countries such as Japan, America and Europe successively all carry out the research that utilizes biofuel, Japan once tested with frying oil as raw materials for production production biofuel, American-European countries utilizes rapeseed oil and soya-bean oil to be the raw material production biofuel, domestic also have utilize vegetables oil and methyl alcohol to carry out the research of biodiesel synthesis for raw material.Hogwash fat not only contains various plants oil, also contains animal tallow, and composition is a kind of waste oil that contains animal-plant oil than simple vegetables oil complexity.Utilizing this class waste oil of catering pigwash oil to mix with diesel oil and prepare the higher composite fuels of calorific value, and hogwash fat treatment technology and biochemical sludge treatment technology are combined, is a new problem in present environmental protection field.
Summary of the invention
The invention provides a kind of biochemical sludge and waste oil comprehensive treatment technique, this technology not only reduces the processing cost of biochemical sludge, and with the biochemical sludge resource utilization, and can handle waste oil simultaneously, particularly catering pigwash oil makes composite fuels from waste oil, obtains a kind of renewable energy source of cleaning, also can prevent hogwash fat from flowing into dining table again and influence eater's health, thereby reach the purpose of environmental protection, energy-conservation, regenerated resource development and utilization.
The present invention solves the technical scheme that its technical problem is taked:
A kind of biochemical sludge and waste oil comprehensive treatment technique comprise destructive distillation processing biochemical sludge technology and waste oil treatment technology, it is characterized in that this comprehensive treatment technique step is:
A. the processing of waste oil
With the composite fuels of Medium diesel oil formation by a certain percentage after the waste oil process press filtration removal of impurities dehydration, the volume of waste oil is 30-80% in the composite fuels of making;
B. the biochemical sludge destructive distillation is handled
After the biochemical sludge dehydration, be transported to and dewater in the mud destructive distillation unit and the destructive distillation processing, in the destructive distillation with byproduct inflammable gas after composite fuels and the biochemical sludge destructive distillation as in heating up in a steamer fuel, biochemical sludge destructive distillation whole process is all carried out in apparatus for sealing, destructive distillation under sealing, anaerobic, non-combustion and the condition of high temperature, biochemical sludge is converted into water vapor, and the part biochemical sludge is converted into inflammable gas, and the part biochemical sludge changes into charcoal.
C. will reach by the composite fuels that steps A makes and be transported in the biochemical sludge destructive distillation processing firing system as carrying out pyrogenous fuel by the inflammable gas that makes among the step B.
In the biochemical sludge retort process, the destructive distillation controlled temperature is 300-850 ℃.
Composite fuels of the present invention also can pass through waste oil (for example hogwash fat) after overpickling, alkali cleaning, washing and drying itself and diesel oil to be mixed and made into, and the waste oil volume accounts for 30-80% in composite fuels.
The invention has the beneficial effects as follows: when biochemical sludge is handled in destructive distillation, handle waste oil, and with the product of handling waste oil as handling biochemical sludge destructive distillation fuel, greatly reduced the cost that the biochemical sludge destructive distillation is handled, its main products charcoal can be used as the raw material of producing water treatment flocculant again or makes charcoal for roasting, the raw material of column charcoal, the resource utilization of realization biochemical sludge.
Description of drawings
Fig. 1 is a comprehensive treatment technique process flow sheet of the present invention.
Embodiment
The contrast accompanying drawing describes it in detail.
In Fig. 1, will in mixing tank, be mixed and made into composite fuels by a certain percentage after the waste oil process press filtration removal of impurities dehydration, and place the composite fuels storage tank with diesel oil, the volume of waste oil is the 30-80% of composite fuels volume in the composite fuels of making.
The composite fuels that makes is offered biochemical sludge destructive distillation machine makes fuel, promptly in pyrogenous firing system, composite fuels after atomizing with air mixed and perfect combustion, the burning back high temperature hot gas that produces is conveyed into the destructive distillation unit as biochemical sludge destructive distillation thermal source.Biochemical sludge is transported to and dewaters in the mud destructive distillation unit and destructive distillation is handled after dehydration, and the sludge through destructive distillation whole process is to carry out under the state of temperature of sealing, anaerobic, non-combustion, 300-850 ℃.Biochemical sludge is in retort process, and part becomes charcoal through charing after the cooling; Water transform be water vapor again through being cooled to water of condensation, after with charcoal absorption, become industrial distilled water; The part biochemical sludge is converted into inflammable gas.The CH that retort process produces
4, H
2, inflammable gas such as CO, after condensation dewaters, inflammable gas is collected in the gas-holder, send back to firing system again, realize that the closed cycle of inflammable gas is used, promptly this part destructive distillation byproduct inflammable gas carries back the destructive distillation machine to make destructive distillation fuel again.
Claims (2)
1. biochemical sludge and waste oil integrated conduct method comprise biochemical sludge destructive distillation treatment process and waste oil treatment process, it is characterized in that the step of this integrated conduct method is:
A. the processing of waste oil
Waste oil is mixed the formation composite fuels through press filtration removal of impurities dehydration back with diesel oil, the waste oil volume is the 30-80% of composite fuels volume in composite fuels;
B. the biochemical sludge destructive distillation is handled
Biochemical sludge is after dehydration, be transported to and dewater in the mud destructive distillation unit and the destructive distillation processing, in the retort process with the inflammable gas after composite fuels and the biochemical sludge destructive distillation as destructive distillation fuel, the mud retort process is in sealing, anaerobic, non-combustion and is higher than 300 ℃ of degree and carries out under the state of temperatures, in retort process, with the water transform in the biochemical sludge is water vapor, and the part biochemical sludge transfers inflammable gas to, and the part biochemical sludge is converted into charcoal;
C. will reach by the composite fuels that steps A makes and be transported in the pyrogenous firing system of biochemical sludge as carrying out the fuel that destructive distillation is handled by the inflammable gas that makes among the step B.
2. integrated conduct method according to claim 1 is characterized in that biochemical sludge destructive distillation controlled temperature is 300-850 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910039251XA CN101880119B (en) | 2009-05-07 | 2009-05-07 | Comprehensive treatment technique for biochemical sludge and waste oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910039251XA CN101880119B (en) | 2009-05-07 | 2009-05-07 | Comprehensive treatment technique for biochemical sludge and waste oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101880119A CN101880119A (en) | 2010-11-10 |
| CN101880119B true CN101880119B (en) | 2011-12-07 |
Family
ID=43052290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910039251XA Expired - Fee Related CN101880119B (en) | 2009-05-07 | 2009-05-07 | Comprehensive treatment technique for biochemical sludge and waste oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101880119B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051267B (en) * | 2010-12-31 | 2013-03-27 | 西安中润环保科技有限公司 | Industrialized treatment facility and method for catering wastes |
| CN102786967A (en) * | 2011-05-19 | 2012-11-21 | 中国科学院城市环境研究所 | Method for preparing biochar from using sludge |
| CN102909211A (en) * | 2012-09-29 | 2013-02-06 | 广州茵绿环境科技发展有限公司 | Environmental protection treatment system for palm dregs and biochemical sludge |
| CN103130491A (en) * | 2013-02-21 | 2013-06-05 | 陈丰 | Method for preparing environment-friendly bricks by using mixture of biochemical sludge and red clay and by using waste oil as fuel |
| CN103922553B (en) * | 2014-04-29 | 2015-11-18 | 章琳茂 | A kind of method of raw materials oil from mud |
| CN104438297B (en) * | 2014-12-10 | 2016-07-13 | 密西西比国际水务有限公司 | A kind of method and apparatus processing organic waste |
| CN105174678B (en) * | 2015-08-31 | 2017-09-22 | 安徽卓新洁净能源科技有限公司 | Domestic sludge pyrolysis processing technique |
| CN108237142A (en) * | 2016-12-27 | 2018-07-03 | 密西西比国际水务有限公司 | A kind of method and apparatus of repairing polluted soil |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1219697A1 (en) * | 1999-08-04 | 2002-07-03 | Nkk Corporation | Method for treating combustible waste |
| CN1493815A (en) * | 2003-08-18 | 2004-05-05 | 中山市环保实业发展有限公司 | Industrial hazadous waste material incineration and comprehensive utilization method and installation |
| CN1962820A (en) * | 2006-11-29 | 2007-05-16 | 任春山 | Process for making bio-diesel oil by using municipal sludge |
| CN101063040A (en) * | 2006-04-29 | 2007-10-31 | 陈丰 | Method for preparing biological diesel by hogwash oil |
| CN101113067A (en) * | 2006-07-28 | 2008-01-30 | 中国石油天然气股份有限公司 | Resource treating method for oil-containing sludge |
-
2009
- 2009-05-07 CN CN200910039251XA patent/CN101880119B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1219697A1 (en) * | 1999-08-04 | 2002-07-03 | Nkk Corporation | Method for treating combustible waste |
| CN1493815A (en) * | 2003-08-18 | 2004-05-05 | 中山市环保实业发展有限公司 | Industrial hazadous waste material incineration and comprehensive utilization method and installation |
| CN101063040A (en) * | 2006-04-29 | 2007-10-31 | 陈丰 | Method for preparing biological diesel by hogwash oil |
| CN101113067A (en) * | 2006-07-28 | 2008-01-30 | 中国石油天然气股份有限公司 | Resource treating method for oil-containing sludge |
| CN1962820A (en) * | 2006-11-29 | 2007-05-16 | 任春山 | Process for making bio-diesel oil by using municipal sludge |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-313407A 2007.12.06 |
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| Publication number | Publication date |
|---|---|
| CN101880119A (en) | 2010-11-10 |
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