CN103111455A - Environment-friendly comprehensive treatment method for household garbage and waste oil and fat - Google Patents
Environment-friendly comprehensive treatment method for household garbage and waste oil and fat Download PDFInfo
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Abstract
The invention discloses an environment-friendly comprehensive treatment method for household garbage and waste oil and fat. The method comprises the following steps of: (1) sorting the household garbage, breaking the household garbage into garbage particles through a breaking machine, and conveying the garbage particles to a feeding hopper through a spiral transmitting machine; (2) carrying out the procedures of pre-heating, drying and dry distillation on the garbage particles to obtain charcoal through a sealed spiral conveying machine; (3) separating part of waste oil and fat into two parts through an oil and water separating system, and burning one part of waste oil and fat as fuel through a hot blast stove so as to perform drying and dry distillation on the garbage and convert the garbage into charcoal; and (4) treating the other part of wastewater through a biochemical wastewater treatment system, and discharging the processed wastewater reaching the standard. The comprehensive treatment method disclosed by the invention is a hazard-free, reducing and recycling technology for the household garbage, is free from pollution in processing, low in cost, good in practicability and high in operability, and has remarkable social and economic benefits.
Description
Technical field
The present invention relates to a kind of refuse environmental protection and utilize technical field, particularly relate to one way of life rubbish and waste oil Environmental-protection comprehensive processing method.
Background technology
House refuse refers in daily life or is considered as the solid waste of house refuse for daily life provides the solid waste that produces in the activity of service and law, administrative regulation regulation.Garbage-surrounded city, landfill account for a large amount of places, produce secondary pollution, burning produces hypertoxic bioxin and secondary pollution, investigate recently by relevant department, what the resident family more than 76% was many is the rubbishes from cooking such as leftovers, leftovers, dish leaf, pericarp, is secondly plastic tank and refuse bag etc.
In recent years; country pays much attention to environmental protection problem; obtained tremendous development in house refuse and sewage preventing and controlling; yet; in the ever-increasing while of China's municipal refuse output, the classification of house refuse, recovery and disposal ability and levels relatively lag behind; namely China's Prediction for Solid Waste Treatment Technology is very weak, thus the applicability of the technology of domestic rubbish disposal become solve house refuse a very important problem.
Will affect resident's living quality if can not solve garbage problem.The problems such as resultant environmental pollution cause the extensive concern of various circles of society gradually.Realize garbage decrement, resource, innoxious, house refuse specially bag input is one of way that effectively realizes garbage decrement.
The processing of the house refuse choice of technology often becomes the difficult problem of a urban garbage disposal.
Summary of the invention
The object of the present invention is to provide one way of life rubbish and waste oil Environmental-protection comprehensive processing method, can reach the technology of innoxious, minimizing, resource to house refuse, and processing procedure is pollution-free, cost is low, practicality good and workable, has significant Social benefit and economic benefit.
The object of the invention to solve the technical problems realizes by the following technical solutions.One way of life rubbish and waste oil Environmental-protection comprehensive processing method according to the present invention proposes comprise the following steps:
1) with after separating domestic garbage, become granulated garbage through crusher in crushing, be delivered to feed hopper by the spiral transferring machine;
2) on the one hand, granulated garbage is through sealed conveying worm, preheating, and drying, destructive distillation becomes charcoal;
3) on the other hand, a part of waste oil is divided into two parts through oil-water separation system, and the heat supply wind furnace burning that acts as a fuel of a part of waste oil is carried out drying, destructive distillation and is converted into charcoal rubbish;
4) waste water of another part qualified discharge after the biochemical waste water treatment system is processed.
House refuse of the present invention and waste oil Environmental-protection comprehensive processing method, step 2) in, described pre-pyrolysis temperature is 100～400 ℃, pyrolysis time is 1-3 hour; Baking temperature is 100-600 ℃, and pyrolysis temperature is 600-900 ℃; Directly inject hot-blast stove after the imflammable gas that reaction produces.
House refuse of the present invention and waste oil Environmental-protection comprehensive processing method, step 2) in, described disintegrating machine is connected to dryer group by pipeline; The exhaust emissions that produces after dry is to cooling scrubbing tower, and this cooling scrubbing tower is connected to three phase separator.
House refuse of the present invention and waste oil Environmental-protection comprehensive processing method, described three phase separator hot water out is connected to water treatment system by pipeline, and part water is discharged in water cooling pond, and a part of cold water can circulating and recovering, and is back in cooling scrubbing tower; Water cooling pond is connected to the biochemical waste water treatment system, the superfluous water in water cooling pond can be drained in Waste Water Treatment; This three phase separator tail gas out afterwards, then is processed by deodoration system by water mist washing tower.
House refuse of the present invention and waste oil Environmental-protection comprehensive processing method, in step 3), liquid refuse (filtrate) is divided into oil slick and waste water two parts by the oil removal collecting-tank through water-oil separating, and oil slick can also be divided into waste oil and waste water two parts through oil-water separation system; Waste oil partly passes through the combustion system pyrolysis, and this combustion system connects respectively charing unit and dryer group.
House refuse of the present invention and waste oil Environmental-protection comprehensive processing method, described charing unit is connected to the combustible gas collecting system by two pipelines, and fuel gas enters into gathering system, and a part of gas can also enter the charing unit and return burning; Charing unit part high-temperature flue gas enters in dryer group dry by pipeline; The waste water that oil-water separation system produces can be discharged in the biochemical waste water treatment system to be processed.
House refuse of the present invention and waste oil Environmental-protection comprehensive processing method, in step 4), described biochemical waste water treatment system comprises air heat exchanger, blower fan, scrubbing tower, activated carbon adsorber, charcoal filter tower, circulatory pool, circulating pump; This system also is connected to above-mentioned oil-water separation system.
House refuse of the present invention and waste oil Environmental-protection comprehensive processing method, in house refuse, the hogwash fat of oily waste water after oil-water separation system is processed can be used as fuel.Described hogwash fat acts as a fuel and produces thermal source for Combustion of Hot Air Furnace, has not only processed refuse but also saved the energy.
By technique scheme, advantage and beneficial effect that the present invention has are:
Environmental-protection comprehensive processing method of the present invention its by sorting, remaining without rubbish, house refuse and waste oil fully can be decomposed, various pathogenic bacteria are thoroughly killed, the value that the handled thing of its acquisition utilizes again improves greatly, eliminate simultaneously environmental pollution, there is not the problem of rubbish secondary pollution in it to effect and the harmless treatment of comprehensive utilization.Integrated conduct method of the present invention is that a kind of rate of recovery garbage reclamation high, pollution-free, that cost is low, income is high is utilized method.
Description of drawings
Fig. 1 is the process chart of house refuse and waste oil Environmental-protection comprehensive processing method.
Fig. 2 is the apparatus and process flow chart that life of the present invention and waste oil Environmental-protection comprehensive are processed.
The specific embodiment
Below by reference to the accompanying drawings the present invention is described in further detail by concrete preferred embodiment, but the present invention is not limited in following embodiment.
See also shown in Figure 1ly, house refuse of the present invention and waste oil Environmental-protection comprehensive processing method comprise step: 1) with after separating domestic garbage, become granulated garbage through crusher in crushing, be delivered to feed hopper by the spiral transferring machine; 2) on the one hand, granulated garbage is through sealed conveying worm, preheating, and drying, destructive distillation becomes charcoal; 3) on the other hand, a part of waste oil is divided into two parts through oil-water separation system, and the heat supply wind furnace burning that acts as a fuel of a part of waste oil is carried out drying, destructive distillation and is converted into charcoal rubbish; 4) waste water of another part qualified discharge after the biochemical waste water treatment system is processed.
Embodiment 1
Shown in Figure 2 in conjunction with consulting, house refuse of the present invention and waste oil Environmental-protection comprehensive processing method comprise step:
Step S1: after separating domestic garbage, be broken into granularity at the granulated garbage of 1-2cm through pick breaker, be delivered to feed hopper by the spiral transferring machine;
Step S2: on the one hand, granulated garbage is delivered to the drier group through sealed conveying worm, and this disintegrating machine is connected to dryer group by pipeline; Under normal pressure, pre-pyrolysis temperature is 100～400 ℃, and pyrolysis time is 1～3 hour, and the imflammable gas that reaction produces directly injects hot-blast stove and burns;
The exhaust emissions that produces after dry is in cooling scrubbing tower, and this cooling scrubbing tower is connected to three phase separator, wherein, hot water out is connected to water treatment system by pipeline, part water is discharged in water cooling pond, and a part of cold water can circulating and recovering, and is back in cooling scrubbing tower; Water cooling pond is connected to the biochemical waste water treatment system,, the superfluous water in water cooling pond can be drained in Waste Water Treatment; This three phase separator tail gas out afterwards, by deodoration system, discharges after reaching mark by water mist washing tower;
Step S3: on the other hand, liquid refuse (filtrate) is divided into oil slick and waste water two parts by the oil removal collecting-tank through water-oil separating, and oil slick can also be divided into waste oil and waste water two parts through oil-water separation system;
Part waste oil partly passes through the combustion system pyrolysis, and after the pre-heat treatment, acting as a fuel supplies burner combustion to become charcoal that thermal source is provided for drying, the destructive distillation of granulated garbage; Wherein, baking temperature is 100-600 ℃, and pyrolysis temperature is 600-900 ℃; Directly inject hot-blast stove after the imflammable gas that reaction produces;
This combustion system connects respectively charing unit and dryer group, and this charing unit is connected to the combustible gas collecting system by two pipelines, and fuel gas enters into gathering system, and a part of gas can also enter the charing unit and return burning; Charing unit part high-temperature flue gas enters in dryer group dry by pipeline; In addition, qualified discharge after the waste water of oil-water separation system generation can be discharged into and process in the biochemical waste water treatment system.
Step S4: oil removal collecting-tank waste water out, process through the biochemical waste water treatment system.This biochemical waste water treatment system comprises air heat exchanger, blower fan, scrubbing tower, activated carbon adsorber, charcoal filter tower, circulatory pool, circulating pump; This system also is connected to above-mentioned waste oil treatment system (oil-water separation system), can be referring to the patent CN2011102479657 of the previous application of inventor about the content of biochemical waste water treatment system.
In addition, need to prove, house refuse needs sorting (being solid phase substantially), does not need Separation of Solid and Liquid, but wants broken.Mud through break process is carried with conveying worm.
Embodiment 2
House refuse of the present invention and waste oil Environmental-protection comprehensive processing method further comprise step:
Step S1: after house refuse is sorted, be broken into granularity at the granulated garbage of 1-2cm through pick breaker, be delivered to feed hopper by the spiral transferring machine;
Step S2: on the one hand, granulated garbage is delivered to the drier group through sealed conveying worm, through sealed conveying worm, sends into pre-pyrolysis device (dryer group), carries out preliminarily dried; This pre-pyrolysis device is external-heat piston pusher, scrapper conveyor or conveying worm, and under normal pressure, pre-pyrolysis temperature is 200～300 ℃, and pyrolysis time is 1.5 hours, and oil product, combustion gas and breeze that reaction produces are discharged respectively;
Step S3: on the other hand, liquid refuse is divided into two parts through oil-water separation system, a part of waste oil (hogwash fat), and through pyrolysis, burner is dry, becomes charcoal after the destructive distillation device destructive distillation; The pyrolysis installation that adopts is a kind of in fixed-bed pyrolysis stove, moving bed pyrolysis stove, revolution pyrolysis oven; Pyrolysis installation heats by hot-blast stove, and the tail gas of hot-blast stove discharging is delivered to the hot blast chuck of pre-hot joining section, and the preheating connection device is heated.
Step S4: qualified discharge after the waste water of another part is processed in biochemical sewage treatment system.Described Waste Water Treatment comprises air heat exchanger, blower fan, scrubbing tower, activated carbon adsorber, charcoal filter tower, circulatory pool, circulating pump; This system also is connected to above-mentioned waste oil treatment system; Content about the biochemical waste water treatment system can be referring to the patent CN2011102479657 of the previous application of inventor.
House refuse needs sorting (being solid phase substantially), does not need Separation of Solid and Liquid, but wants broken.Mud through break process is carried with conveying worm.
The above, it is only preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, therefore every technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present invention.
Claims (9)
1. one way of life rubbish and waste oil Environmental-protection comprehensive processing method is characterized in that comprising the following steps:
1) with after separating domestic garbage, become granulated garbage through crusher in crushing, be delivered to feed hopper by the spiral transferring machine;
2) on the one hand, granulated garbage is through sealed conveying worm, preheating, and drying, destructive distillation becomes charcoal;
3) on the other hand, a part of waste oil is divided into two parts through oil-water separation system, and the heat supply wind furnace burning that acts as a fuel of a part of waste oil is carried out drying, destructive distillation and is converted into charcoal rubbish;
4) waste water of another part qualified discharge after the biochemical waste water treatment system is processed.
2. meal kitchen rubbish from cooking according to claim 1 and waste oil Environmental-protection comprehensive processing method, is characterized in that: step 2) in, described pre-pyrolysis temperature is 100～400 ℃, pyrolysis time is 1-3 hour; Baking temperature is 100-600 ℃, and pyrolysis temperature is 600-900 ℃; Directly inject hot-blast stove after the imflammable gas that reaction produces.
3. meal kitchen rubbish from cooking according to claim 1 and waste oil Environmental-protection comprehensive processing method, is characterized in that: step 2) in, described disintegrating machine is connected to dryer group by pipeline; The exhaust emissions that produces after dry is in cooling scrubbing tower, and this cooling scrubbing tower is connected to three phase separator.
4. meal kitchen rubbish from cooking according to claim 2 and waste oil Environmental-protection comprehensive processing method, it is characterized in that: described three phase separator hot water out is connected to water treatment system by pipeline, part water is discharged in water cooling pond, part cold water can circulating and recovering, and is back in cooling scrubbing tower; Water cooling pond is connected to the biochemical waste water treatment system, the superfluous water in water cooling pond can be drained in Waste Water Treatment; This three phase separator tail gas out afterwards, is being processed by deodoration system by water mist washing tower.
5. meal kitchen rubbish from cooking according to claim 1 and waste oil Environmental-protection comprehensive processing method, it is characterized in that: in step 3), liquid refuse (filtrate) is by the oil removal collecting-tank, be divided into oil slick and waste water two parts through water-oil separating, oil slick can also be divided into waste oil and waste water two parts through oil-water separation system; Waste oil partly passes through the combustion system pyrolysis, and this combustion system connects respectively charing unit and dryer group.
6. meal kitchen rubbish from cooking according to claim 4 and waste oil Environmental-protection comprehensive processing method, it is characterized in that: described charing unit is connected to the combustible gas collecting system by two pipelines, fuel gas enters into gathering system, and a part of gas can also enter the charing unit and return burning; Charing unit part high-temperature flue gas enters in dryer group dry by pipeline; The waste water that oil-water separation system produces can be discharged in the biochemical waste water treatment system to be processed.
7. meal kitchen rubbish from cooking according to claim 1 and waste oil Environmental-protection comprehensive processing method, it is characterized in that: in step 4), described biochemical waste water treatment system comprises air heat exchanger, blower fan, scrubbing tower, activated carbon adsorber, charcoal filter tower, circulatory pool, circulating pump; This system also is connected to above-mentioned oil-water separation system.
8. meal kitchen rubbish from cooking according to claim 1 and waste oil Environmental-protection comprehensive processing method is characterized in that: in house refuse, the hogwash fat of oily waste water after oil-water separation system is processed can be used as fuel.
9. meal kitchen rubbish from cooking according to claim 7 and waste oil Environmental-protection comprehensive processing method is characterized in that: described hogwash fat acts as a fuel and produces thermal source for Combustion of Hot Air Furnace, has not only processed refuse but also saved the energy.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736708A (en) * | 2013-06-14 | 2014-04-23 | 陈丰 | Kitchen meal garbage environmental protection treatment system using wasted grease and dry pug mixing fuel |
| CN103911168A (en) * | 2014-04-09 | 2014-07-09 | 江苏河海科技工程集团有限公司 | Integral rapid carbonizing treatment technology for municipal waste |
| CN104607436A (en) * | 2014-12-04 | 2015-05-13 | 常州大学 | Harmless processing method for kitchen waste |
| CN105436186A (en) * | 2014-09-12 | 2016-03-30 | 中南大学 | Method for preparing fuel carbon from household refuse |
| CN105903749A (en) * | 2016-06-01 | 2016-08-31 | 北京神雾环境能源科技集团股份有限公司 | Household garbage treatment method and system |
| CN106391654A (en) * | 2016-09-20 | 2017-02-15 | 安德里茨（中国）有限公司 | Integrated garbage treatment system and method |
| CN112077125A (en) * | 2020-09-15 | 2020-12-15 | 四川同益环境科技有限责任公司 | Energy treatment method for household garbage |
| WO2021046856A1 (en) * | 2019-09-14 | 2021-03-18 | 南京大学（溧水）生态环境研究院 | Kitchen waste recycling treatment method |
| CN113333430A (en) * | 2021-04-29 | 2021-09-03 | 徐丹波 | Organic garbage waste resource pretreatment system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103736708A (en) * | 2013-06-14 | 2014-04-23 | 陈丰 | Kitchen meal garbage environmental protection treatment system using wasted grease and dry pug mixing fuel |
| CN103736708B (en) * | 2013-06-14 | 2016-06-22 | 陈丰 | The kitchen rubbish from cooking environment-friendly disposal system of waste oil and dry pug fuel combination |
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| WO2021046856A1 (en) * | 2019-09-14 | 2021-03-18 | 南京大学（溧水）生态环境研究院 | Kitchen waste recycling treatment method |
| CN112077125A (en) * | 2020-09-15 | 2020-12-15 | 四川同益环境科技有限责任公司 | Energy treatment method for household garbage |
| CN113333430A (en) * | 2021-04-29 | 2021-09-03 | 徐丹波 | Organic garbage waste resource pretreatment system and method |
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Application publication date: 20130522 Assignee: Guangzhou Yinlu Environmental Scientific & Technology Development Co., Ltd. Assignor: Chen Feng Contract record no.: 2015440000889 Denomination of invention: Environment-friendly comprehensive treatment method for household garbage and waste oil and fat Granted publication date: 20150708 License type: Exclusive License Record date: 20151230 |
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