CN103752582A - Municipal domestic waste treatment process - Google Patents
Municipal domestic waste treatment process Download PDFInfo
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- CN103752582A CN103752582A CN201410006087.3A CN201410006087A CN103752582A CN 103752582 A CN103752582 A CN 103752582A CN 201410006087 A CN201410006087 A CN 201410006087A CN 103752582 A CN103752582 A CN 103752582A
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Abstract
The invention discloses a municipal domestic waste treatment process, which comprises the following steps: (1), crushing after screening municipal domestic wastes, sorting, and obtaining organic wastes, sand and gravel particles and waste plastics; (2), carrying out multi-stage drying treatment after crushing waste plastics, splitting by putting the waste plastics in a reaction kettle, and sequentially carrying out gas-ash separation and oil-gas dust extraction on obtained oil gas so as to remove carbon black existing in oil gas, wherein the reaction temperature is 350-500 DEG C; and (3), sequentially carrying out heavy oil cooling, light oil cooling and three-phase separation on oil gas, dust in which is removed, and respectively obtaining heavy oil, light oil, waste water and combustible gas. According to the invention, municipal domestic wastes are sorted; obtained waste plastics, organic wastes and inorganic wastes, such as fine sand and macadam, are respectively recycled; waste plastics are split to obtain oil and combustible gas; combustible gas is used for splitting heating and drying heating of the reaction kettle; wastes are turned into wealth; and recycle is realized.
Description
Technical field
The present invention relates to solid waste process field, be specifically related to a kind of city domestic garbage treating process.
Background technology
In urbanization process, rubbish was once the burden of urban development as the product of Urban Metabolism, and all there was the situation of garbage-surrounded city in many cities in the world.Now, rubbish is considered to " city mineral reserve " tool potentiality to be exploited, never exhausted, is " resource mislaying ".This is going deep into and in-depth that rubbish is familiar with, is also the inevitable requirement of urban development.
Existing Treatment Way of Municipal Refuse in City mainly contains sanitary landfills, During High-Temperature Composting and burning etc., for example:
Publication number is that the patent documentation of 102151688A proposes a kind of method of processing for city garbage burning and flying dust in enclosed environment, comprises the following steps: municipal refuse go-no-go: the municipal refuse after go-no-go is broken; With the combustible that contains fixed carbon, the municipal refuse after pulverizing is mixed; Municipal refuse after mixed is dried; Dry municipal refuse is being mixed under the condition of oxygen, and incineration temperature more than 850 ℃ is sealing burning to municipal refuse;
Publication number is that the patent documentation of 103272829A discloses a kind of city house refuse treatment method, by separation, fragmentation, solid fermentation, water washing cleaning, biogas fermentation and composting manufacturing procedure, obtains natural gas and organic fertilizer product.
Along with socioeconomic development, plastics or rubber are used more and more extensive in people's daily life, and thing followed waste plastics or scrap rubber are also more and more, and waste plastics or scrap rubber are because of its stable chemical nature, and recovery value is high.Generally by waste plastics or scrap rubber are cracked into low molecular compound, through rectifying, make gasoline, diesel oil, liquefied gas etc. at present, the important channel that is plastics pollution, processes waste or used plastics, turns waste into wealth is processed in cracking.
The Coke bottle being abandoned by us every day and the polybag, the disposable plastic fast food container that are called as white garbage, belong to high molecular polymerization organic matter, if be embedded in underground, 200 years also rotten does not fall, it also can make soil compaction, reduces the fertility of soil, even makes soil lose the ability of cultivating.In our life, often can throw away various waste plastics.Waste plastics is the good raw material of oil refining.Someone once likened them to " secondary oil field " visually.1 ton of waste plastics at least can freshening gasoline and the diesel oil of 600 kilograms.
Summary of the invention
For reducing the pollution of domestic waste, the invention provides a kind of city domestic garbage treating process, by domestic waste is carried out to sorting, isolate organic waste, inorganic matter and waste plastics, and respectively three kinds of materials are recycled, resource re-uses, and can effectively administer domestic waste and pollute.
A city domestic garbage treating process, comprises following step:
1) by broken after domestic waste screening, then carry out sorting, obtain organic waste, sandstone particle and waste plastics;
2) waste plastics break process is by multistage drying and processing, then enters cracking in reactor, and reaction temperature is 350～500 ℃, and the oil gas obtaining is carried out to gas ash content successively from, oil gas dedusting, to remove, has carbon black in oil gas;
3) to the oil gas after dust removal process successively by mink cell focus cooling, light oil is cooling and three phase separation, obtains respectively mink cell focus, light oil, waste water and combustible gas.
As preferably, in step 1), what screening adopted is the cylinder round sifter with two-stage sieve aperture, and first order sieve aperture is of a size of 5～15mm, and second level sieve aperture is of a size of 15～50mm.
The sieve aperture of cylinder round sifter has two-stage sieve aperture, every grade of sieve aperture is for sieving the rubbish of place's different size, and first order sieve aperture is of a size of 5～15mm, for sieving out the dust granules such as fine sand, rubble, second level sieve aperture is of a size of 15～50mm, can sieve out the house refuses such as vegetable waste.
As preferably, in step 1), described sorting comprises specific-gravity winnowing and magnetic separation, and specific-gravity winnowing is for separating of the stone granulate that shakes out, and magnetic separation is for separating of going out discarded metal.
For increasing the recycling to discarded object in rubbish, after adding curing agent, described sandstone particle is made into construction material, and described organic waste is made fertilizer and bio-bacterial manure after processing, and turns waste into wealth, and makes rational use of resources.
As preferably, described multistage drying and processing adopts the device with three grades of drying rollers, and the baking temperature in every grade of drying roller is followed successively by 80～100 ℃, 100～120 ℃ and 120～100 ℃.Three grades of oven dry are divided into prebake, tentatively dry and heating, drying, the temperature of prebake is 80～100 ℃, preliminary temperature of drying is 100～120 ℃, the temperature of heating, drying is 120～100 ℃, prebake is for being tentatively dried waste plastics, preliminary oven dry can be removed the most of steam in waste material, and heating, drying is dry waste plastics further, and waste plastics is entered to reactor carries out preheating.
As preferably, in described reactor, there is the heat pipe of interlaced arrangement, heat pipe interlaced arrangement makes waste plastics homogeneous heating, can accelerate the decomposition of waste plastics.
As preferably, in step 3), the waste water obtaining is transferred to Sewage Plant through oil removal, air supporting after processing.
Further preferred, in step 3), the combustible gas obtaining is separated light petrol after light petrol is cooling, and the combustible gas after separation is respectively used to the heating system of reactor and multistage drying and processing.
The present invention is by carrying out sorting to domestic waste, the inorganic refuses such as the waste plastics obtaining, organic waste and fine sand, rubble are recycled respectively, and waste plastics is carried out to cracking obtain oil and combustible gas, combustible gas is for the cracking heating and oven dry heating of reactor, realize turning waste into wealth of resource, recycle.
Accompanying drawing explanation
Fig. 1 is the flow chart of urban garbage disposal of the present invention.
Fig. 2 is the process chart of fertilizer material cracking.
The specific embodiment
As depicted in figs. 1 and 2, a kind of city domestic garbage treating process, comprises following step:
(1) by broken after domestic waste screening, then carry out sorting, obtain organic waste, sandstone particle and waste plastics;
What screening adopted is the cylinder round sifter with two-stage sieve aperture, and first order sieve aperture is of a size of 5～15mm, and second level sieve aperture is of a size of 15～50mm.
The sieve aperture of cylinder round sifter has two-stage sieve aperture, every grade of sieve aperture is for sieving the rubbish of place's different size, and first order sieve aperture is of a size of 5～15mm, for sieving out the dust granules such as fine sand, rubble, second level sieve aperture is of a size of 15～50mm, can sieve out the house refuses such as vegetable waste.
Sorting comprises specific-gravity winnowing and magnetic separation, and specific-gravity winnowing is for separating of the stone granulate that shakes out that goes out density and be greater than waste plastics, and magnetic separation is for separating of going out discarded metal.For increasing the recycling to discarded object in rubbish, sandstone particle is made into construction material after adding curing agent, and described organic waste is made fertilizer and bio-bacterial manure after processing, and turns waste into wealth, and makes rational use of resources.
(2) waste plastics break process is by multistage drying and processing, then enters cracking in reactor, and reaction temperature is 350～500 ℃, and the oil gas obtaining is carried out to gas ash content successively from, oil gas dedusting, to remove, has carbon black in oil gas;
Multistage drying and processing adopts the device with three grades of drying rollers, and the baking temperature in every grade of drying roller is followed successively by 80～100 ℃, 100～120 ℃ and 120～100 ℃.Three grades of oven dry are divided into prebake, preliminary oven dry and heating, drying, the temperature of prebake is 80～100 ℃, preliminary temperature of drying is 100～120 ℃, the temperature of heating, drying is 120～100 ℃, prebake is for being tentatively dried waste plastics, preliminary oven dry can be removed the most of steam in waste material, heating, drying is dry waste plastics further, and waste plastics is entered to reactor carry out preheating, by increase, enter the temperature of waste plastics in reactor, reduce the heat time of waste plastics in reactor, accelerate waste plastics at the decomposition rate of reactor, improve lysis efficiency.
In reactor, have heat pipe, for waste plastics is heated, be to accelerate the decomposition of waste material, the heat pipe in reactor is interlaced arrangement, and adjacent two heat pipes be 90 ° vertical, make waste plastics homogeneous heating.From the oil gas of discharging in reactor by gas ash content from oil gas dedusting, fully isolate and in oil gas, have carbon black, the carbon black obtaining by cooling, store, can be used for outer selling.
(3) to the oil gas after dust removal process successively by mink cell focus cooling, light oil is cooling and three phase separation, obtains respectively mink cell focus, light oil, waste water and combustible gas.
Oil gas after oil gas dust removal process is cooling cooling with light oil by mink cell focus successively, and the oil gas that obtains respectively mink cell focus and contain light oil, then passes through three phase separation to the oil gas with light oil, obtains waste water, light oil and combustible gas.
Owing to containing wet goods foreign-matter contamination in waste water, not directly discharge, need to process by storing oil removal, waste water is being carried out to air supporting processing, the micro-bubble disperseing by height of formation in water, adhere to solid or the liquid particles of hydrophobic group in waste water, form water-gas-particle three-phase mixed system, particle adheres to after bubble, forming apparent density is less than the flco of water and floats to the water surface, form scum layer and struck off, thereby realize solid-liquid or the separation of liquid liquid, the waste water after air supporting is processed can be delivered to Sewage Plant and be further processed.
Cooling by combustible gas being carried out to light petrol, to isolate the light petrol existing in combustible gas, the combustible gas of separated light petrol is delivered to cracking heating system and is dried heating system by roots blower, cracking heating system provides reaction temperature for reactor cracking, dry heating system and provide thermal source for multistage oven dry, the flue gas of cracking system also can be used for drying heating system simultaneously.
Claims (8)
1. a city domestic garbage treating process, is characterized in that, comprises following step:
1) by broken after domestic waste screening, then carry out sorting, obtain organic waste, sandstone particle and waste plastics;
2) waste plastics break process is by multistage drying and processing, then enters cracking in reactor, and reaction temperature is 350～500 ℃, and the oil gas obtaining is carried out to gas ash content successively from, oil gas dedusting, to remove, has carbon black in oil gas;
3) to the oil gas after dust removal process successively by mink cell focus cooling, light oil is cooling and three phase separation, obtains respectively mink cell focus, light oil, waste water and combustible gas.
2. city domestic garbage treating process as claimed in claim 1, is characterized in that, in step 1), what screening adopted is the cylinder round sifter with two-stage sieve aperture, and first order sieve aperture is of a size of 5～15mm, and second level sieve aperture is of a size of 15～50mm.
3. city domestic garbage treating process as claimed in claim 1, is characterized in that, in step 1), described sorting comprises specific-gravity winnowing and magnetic separation, and specific-gravity winnowing is for separating of the stone granulate that shakes out, and magnetic separation is for separating of going out discarded metal.
4. city domestic garbage treating process as claimed in claim 3, is characterized in that, after described sandstone particle adds curing agent, is made into construction material, and described organic waste is made fertilizer and bio-bacterial manure after processing.
5. city domestic garbage treating process as claimed in claim 1, it is characterized in that, described multistage drying and processing adopts the device with three grades of drying rollers, and the baking temperature in every grade of drying roller is followed successively by 80～100 ℃, 100～120 ℃ and 120～100 ℃.
6. city domestic garbage treating process as claimed in claim 1, is characterized in that, has the heat pipe of interlaced arrangement in described reactor.
7. city domestic garbage treating process as claimed in claim 1, is characterized in that, in step 3), the waste water obtaining is transferred to Sewage Plant through oil removal, air supporting after processing.
8. city domestic garbage treating process as claimed in claim 1, is characterized in that, in step 3), the combustible gas obtaining is separated light petrol after light petrol is cooling, and the combustible gas after separation is respectively used to the heating system of reactor and multistage drying and processing.
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| CN201410006087.3A CN103752582B (en) | 2014-01-06 | 2014-01-06 | A kind of city domestic garbage treating process |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532003A (en) * | 2014-12-04 | 2015-04-22 | 杭州电子科技大学 | Method for recovering and using aluminum-plastic composite film |
| CN105689370A (en) * | 2016-04-28 | 2016-06-22 | 房沙沙 | Garbage disposal process |
| CN107470330A (en) * | 2017-09-15 | 2017-12-15 | 佛山科学技术学院 | A kind of recycling waste disposal method |
| CN107983750A (en) * | 2017-12-02 | 2018-05-04 | 刘光群 | A kind of kitchen waste preprocessing technology of kitchen garbage pretreatment cart |
| CN108817029A (en) * | 2018-05-29 | 2018-11-16 | 梁格 | A kind of household-garbage processing process |
| CN110669536A (en) * | 2019-10-17 | 2020-01-10 | 辽宁索能环保能源科技有限公司 | Flash cracking equipment |
| CN110684548A (en) * | 2019-09-19 | 2020-01-14 | 苏州再生宝智能物联科技有限公司 | Household garbage cracking treatment process |
| WO2021087634A1 (en) * | 2019-11-10 | 2021-05-14 | 顺达生态环保科技(葫芦岛)有限公司 | Method for preparing organic composite soil from domestic waste |
| CN116197214A (en) * | 2023-01-05 | 2023-06-02 | 烟台大为环保科技有限公司 | Low-nitrogen pyrolysis recovery method and system for solid waste in paper mill |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5783046A (en) * | 1994-11-28 | 1998-07-21 | Gentech, Inc. | Process and apparatus for the destructive distillation of rubber |
| CN1283531A (en) * | 1999-08-05 | 2001-02-14 | 贵阳白云益大生物质能源有限公司 | Process for treating combustible garbage |
| WO2005120713A1 (en) * | 2004-06-09 | 2005-12-22 | Ubb Magdeburg Kipper & Dr. Stegmann Gbr | Method and apparatus for the treatment and utilization of solid and liquid waste mixtures |
| CN1746263A (en) * | 2005-09-22 | 2006-03-15 | 华南再生资源（中山）有限公司 | Waste plastic and rubber reduction and reducing system |
| CN101352721A (en) * | 2007-07-23 | 2009-01-28 | 周鼎力 | Method for sequentially processing consumer waste |
| CN101955388A (en) * | 2010-09-02 | 2011-01-26 | 朱海生 | Urban garbage and sludge resource comprehensive utilization system |
| CN202283543U (en) * | 2011-05-25 | 2012-06-27 | 严大春 | Innocent and recycling treatment system for municipal domestic garbage |
| CN102671925A (en) * | 2011-03-09 | 2012-09-19 | 庞金钊 | Recycling method of house refuse |
-
2014
- 2014-01-06 CN CN201410006087.3A patent/CN103752582B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5783046A (en) * | 1994-11-28 | 1998-07-21 | Gentech, Inc. | Process and apparatus for the destructive distillation of rubber |
| CN1283531A (en) * | 1999-08-05 | 2001-02-14 | 贵阳白云益大生物质能源有限公司 | Process for treating combustible garbage |
| WO2005120713A1 (en) * | 2004-06-09 | 2005-12-22 | Ubb Magdeburg Kipper & Dr. Stegmann Gbr | Method and apparatus for the treatment and utilization of solid and liquid waste mixtures |
| CN1746263A (en) * | 2005-09-22 | 2006-03-15 | 华南再生资源（中山）有限公司 | Waste plastic and rubber reduction and reducing system |
| CN101352721A (en) * | 2007-07-23 | 2009-01-28 | 周鼎力 | Method for sequentially processing consumer waste |
| CN101955388A (en) * | 2010-09-02 | 2011-01-26 | 朱海生 | Urban garbage and sludge resource comprehensive utilization system |
| CN102671925A (en) * | 2011-03-09 | 2012-09-19 | 庞金钊 | Recycling method of house refuse |
| CN202283543U (en) * | 2011-05-25 | 2012-06-27 | 严大春 | Innocent and recycling treatment system for municipal domestic garbage |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532003A (en) * | 2014-12-04 | 2015-04-22 | 杭州电子科技大学 | Method for recovering and using aluminum-plastic composite film |
| CN105689370A (en) * | 2016-04-28 | 2016-06-22 | 房沙沙 | Garbage disposal process |
| CN107470330A (en) * | 2017-09-15 | 2017-12-15 | 佛山科学技术学院 | A kind of recycling waste disposal method |
| CN107983750A (en) * | 2017-12-02 | 2018-05-04 | 刘光群 | A kind of kitchen waste preprocessing technology of kitchen garbage pretreatment cart |
| CN107983750B (en) * | 2017-12-02 | 2021-08-27 | 宁波齐心科技股份有限公司 | Kitchen waste pretreatment process of kitchen waste pretreatment cart |
| CN108817029A (en) * | 2018-05-29 | 2018-11-16 | 梁格 | A kind of household-garbage processing process |
| CN110684548A (en) * | 2019-09-19 | 2020-01-14 | 苏州再生宝智能物联科技有限公司 | Household garbage cracking treatment process |
| CN110669536A (en) * | 2019-10-17 | 2020-01-10 | 辽宁索能环保能源科技有限公司 | Flash cracking equipment |
| WO2021087634A1 (en) * | 2019-11-10 | 2021-05-14 | 顺达生态环保科技(葫芦岛)有限公司 | Method for preparing organic composite soil from domestic waste |
| CN116197214A (en) * | 2023-01-05 | 2023-06-02 | 烟台大为环保科技有限公司 | Low-nitrogen pyrolysis recovery method and system for solid waste in paper mill |
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