CN111744936A - Novel kitchen waste treatment process flow - Google Patents
Novel kitchen waste treatment process flow Download PDFInfo
- Publication number
- CN111744936A CN111744936A CN202010656894.5A CN202010656894A CN111744936A CN 111744936 A CN111744936 A CN 111744936A CN 202010656894 A CN202010656894 A CN 202010656894A CN 111744936 A CN111744936 A CN 111744936A
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- kitchen waste
- sorting
- namely
- process flow
- crushing
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- 239000010806 kitchen waste Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000002699 waste material Substances 0.000 claims abstract description 28
- 239000002351 wastewater Substances 0.000 claims abstract description 24
- 239000004519 grease Substances 0.000 claims abstract description 15
- 239000007791 liquid phase Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000005416 organic matter Substances 0.000 claims abstract description 6
- 238000001556 precipitation Methods 0.000 claims description 17
- 239000012071 phase Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 9
- 239000010779 crude oil Substances 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 230000001877 deodorizing effect Effects 0.000 claims description 3
- 239000003895 organic fertilizer Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a novel kitchen waste treatment process flow, which comprises the following steps: s1, automatically feeding, namely feeding kitchen waste into a heating device by using a feeding system; s2, heating, namely heating the kitchen waste by using a heating device; s3, crushing and sorting, namely feeding the heated kitchen waste into a crushing and sorting system through an automatic feeding system, sorting inorganic large waste and discharging the inorganic large waste out of the system, and then crushing the inorganic large waste by using a crusher to obtain dry waste and fine organic matters; s4, sorting and press-filtering, namely filtering, dehydrating, sorting and squeezing the fine organic matters to obtain a liquid phase and organic matters; s5, organic matter treatment; s6, liquid phase treatment; s7, treating wastewater; and S8, processing the grease. The kitchen waste treatment process flow is simple, the oil extraction process for kitchen waste treatment is added, the load of discharged sewage on a sewage treatment system is greatly reduced, energy is saved, gain is increased, and the organic matter extraction amount and the recovery rate are greatly improved.
Description
Technical Field
The invention relates to the field of kitchen waste treatment, in particular to a novel kitchen waste treatment process flow.
Background
At present, the kitchen waste is reclaimed mostly by landfill, but with the increasing quantity of the waste, the disadvantage of the landfill gradually appears; at present, some kitchen waste harmless treatment modes mainly comprise crushing, drying and pressing to form dry waste with small volume, and a plurality of modes such as methane manufacturing are carried out on the waste through microorganisms, but the existing kitchen waste treatment modes cannot remove inorganic matters in the kitchen waste, and secondly, the existing kitchen waste treatment modes have no grease extraction function, so that the grease content in discharged sewage is too high, and in addition, the waste cannot be fully recycled, so that a novel kitchen waste treatment process flow is provided.
Disclosure of Invention
The invention mainly aims to provide a novel kitchen waste treatment process flow which can effectively solve the problems in the background technology.
A novel kitchen waste treatment process flow comprises the following steps:
s1, automatically feeding, namely feeding kitchen waste into a heating device by using a feeding system;
s2, heating, namely heating the kitchen waste by using a heating device;
s3, crushing and sorting, namely feeding the heated kitchen waste into a crushing and sorting system through an automatic feeding system, sorting inorganic large waste and discharging the inorganic large waste out of the system, and then crushing the inorganic large waste by using a crusher to obtain dry waste and fine organic matters;
s4, sorting and press-filtering, namely filtering, dehydrating, sorting and squeezing the fine organic matters to obtain a liquid phase and organic matters;
s5, processing organic matters, and preparing a corrosive acid organic fertilizer through a hydrothermal oxidation system;
s6, liquid phase treatment, namely pumping the obtained liquid phase into a three-phase centrifugal device through a delivery pump for separation to obtain crude oil and wastewater;
s7, treating the wastewater, namely decomposing and deodorizing the wastewater obtained in the step S6 by grease, precipitating and filtering the wastewater to reach the discharge standard and then directly discharging the wastewater;
and S8, treating the grease, namely putting the grease obtained in the step S6 into a grease fine filtration system for fine filtration, and storing for sale.
Preferably, the heating in the step S2 can enhance the material fluidity, improve the sorting and filter-pressing effect of the subsequent process, and simultaneously can prevent the material from solidifying when the temperature is too low.
Preferably, the diameter of the fine organic matter obtained after crushing in the step S3 is not more than 5 cm.
Preferably, a ram press is used for sorting and pressing the fine organic matter in the step S4.
Preferably, the three-phase centrifugal apparatus in step S6 includes a heating tank, a three-phase centrifuge, a transfer pump, and the like.
Preferably, the precipitation and filtration in step S7 include a primary precipitation filtration and a secondary precipitation filtration, and both the primary precipitation filtration and the secondary precipitation filtration belong to biochemical treatment processes.
The invention provides a kitchen waste treatment process flow, which comprises the steps of firstly collecting kitchen waste, then conveying the collected kitchen waste to a waste treatment plant, feeding the kitchen waste into a heating device by using an automatic feeding system for heating, enhancing the material fluidity by using the heating device, improving the sorting and filter-pressing effect of the subsequent process, simultaneously preventing the material from solidifying at the low temperature, then feeding the heated kitchen waste into a crushing and sorting system by using an automatic feeding system, sorting inorganic large waste and discharging the inorganic large waste out of the system, then crushing by using a crusher to obtain dry waste and fine organic matters, wherein the diameter of the fine organic matters obtained after crushing is not more than 5cm, then filtering, dehydrating, sorting and squeezing the fine organic matters by using a plunger type presser to obtain a liquid phase and organic matters, pumping the liquid phase into a three-phase centrifugal device by using a conveying pump for separation, the method comprises the steps of obtaining crude oil and wastewater, firstly carrying out oil decomposition and deodorization on the wastewater, then carrying out multi-stage precipitation and filtration on the wastewater, enabling the wastewater to reach the discharge standard and directly discharge, pumping the crude oil into an oil fine filtration system through a delivery pump for fine filtration, storing and selling the obtained oil after the fine filtration, and being simple in the whole process flow.
Drawings
FIG. 1 is a flow chart of a novel process for treating kitchen waste according to the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, a novel process flow for treating kitchen waste comprises the following steps:
s1, automatically feeding, namely feeding kitchen waste into a heating device by using a feeding system;
s2, heating, namely heating the kitchen waste by using a heating device;
s3, crushing and sorting, namely feeding the heated kitchen waste into a crushing and sorting system through an automatic feeding system, sorting inorganic large waste and discharging the inorganic large waste out of the system, and then crushing the inorganic large waste by using a crusher to obtain dry waste and fine organic matters;
s4, sorting and press-filtering, namely filtering, dehydrating, sorting and squeezing the fine organic matters to obtain a liquid phase and organic matters;
s5, processing organic matters, and preparing a corrosive acid organic fertilizer through a hydrothermal oxidation system;
s6, liquid phase treatment, namely pumping the obtained liquid phase into a three-phase centrifugal device through a delivery pump for separation to obtain crude oil and wastewater;
s7, treating the wastewater, namely decomposing and deodorizing the wastewater obtained in the step S6 by grease, precipitating and filtering the wastewater to reach the discharge standard and then directly discharging the wastewater;
and S8, treating the grease, namely putting the grease obtained in the step S6 into a grease fine filtration system for fine filtration, and storing for sale.
According to the technical scheme provided by the invention, the heating in the step S2 can enhance the material fluidity, improve the sorting and filter-pressing effect of the subsequent process, and simultaneously prevent the material from solidifying at too low temperature.
According to the technical scheme provided by the invention, the diameter of the fine organic matters obtained after crushing in the step S3 is not more than 5 cm.
According to the technical scheme provided by the invention, a plunger type press is adopted for sorting and pressing the fine organic matters in the step S4.
According to the technical scheme provided by the invention, the three-phase centrifugal equipment in the step S6 comprises a heating tank, a three-phase centrifuge, a conveying pump and the like.
According to the technical scheme provided by the invention, the precipitation and filtration in the step S7 comprise primary precipitation filtration and secondary precipitation filtration, and the primary precipitation filtration and the secondary precipitation filtration both belong to biochemical treatment processes.
The method comprises the steps of collecting kitchen waste, conveying the collected kitchen waste to a waste treatment plant, feeding the kitchen waste into a heating device by using an automatic feeding system for heating, enhancing the material fluidity by using the heating device, improving the sorting and filter-pressing effect of the subsequent process, preventing the material from solidifying at a low temperature, feeding the heated kitchen waste into a crushing and sorting system by using an automatic feeding system, sorting inorganic large waste and discharging the inorganic large waste out of the system, crushing by using a crusher to obtain dry waste and fine organic matters, wherein the diameter of the fine organic matters obtained after crushing is not more than 5cm, filtering, dehydrating, sorting and squeezing the fine organic matters by using a plunger type presser to obtain a liquid phase and organic matters, pumping the liquid phase into a three-phase centrifugal device by using a conveying pump for separation, the method comprises the steps of obtaining crude oil and wastewater, firstly carrying out oil decomposition and deodorization on the wastewater, then carrying out multi-stage precipitation and filtration on the wastewater, enabling the wastewater to reach the discharge standard and directly discharge, pumping the crude oil into an oil fine filtration system through a delivery pump for fine filtration, storing and selling the obtained oil after the fine filtration, and being simple in the whole process flow.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A novel kitchen waste treatment process flow is characterized by comprising the following steps:
s1, automatically feeding, namely feeding kitchen waste into a heating device by using a feeding system;
s2, heating, namely heating the kitchen waste by using a heating device;
s3, crushing and sorting, namely feeding the heated kitchen waste into a crushing and sorting system through an automatic feeding system, sorting inorganic large waste and discharging the inorganic large waste out of the system, and then crushing the inorganic large waste by using a crusher to obtain dry waste and fine organic matters;
s4, sorting and press-filtering, namely filtering, dehydrating, sorting and squeezing the fine organic matters to obtain a liquid phase and organic matters;
s5, processing organic matters, and preparing a corrosive acid organic fertilizer through a hydrothermal oxidation system;
s6, liquid phase treatment, namely pumping the obtained liquid phase into a three-phase centrifugal device through a delivery pump for separation to obtain crude oil and wastewater;
s7, treating the wastewater, namely decomposing and deodorizing the wastewater obtained in the step S6 by grease, precipitating and filtering the wastewater to reach the discharge standard and then directly discharging the wastewater;
and S8, treating the grease, namely putting the grease obtained in the step S6 into a grease fine filtration system for fine filtration, and storing for sale.
2. The novel kitchen waste treatment process flow according to claim 1, characterized in that: the heating in the step S2 can enhance the material fluidity, improve the sorting and filter-pressing effect of the subsequent process, and simultaneously can prevent the material from solidifying when the temperature is too low.
3. The novel kitchen waste treatment process flow according to claim 1, characterized in that: the diameter of the fine organic matter obtained after crushing in the step S3 is not more than 5 cm.
4. The novel kitchen waste treatment process flow according to claim 1, characterized in that: a ram press is used for sorting and pressing the fine organic matter in the step S4.
5. The novel kitchen waste treatment process flow according to claim 1, characterized in that: the three-phase centrifugal device in the step S6 is composed of a heating tank, a three-phase centrifuge, a transfer pump, and the like.
6. The novel kitchen waste treatment process flow according to claim 1, characterized in that: the precipitation and filtration in the step S7 include primary precipitation filtration and secondary precipitation filtration, and both the primary precipitation filtration and the secondary precipitation filtration belong to biochemical treatment processes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656894.5A CN111744936A (en) | 2020-07-09 | 2020-07-09 | Novel kitchen waste treatment process flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656894.5A CN111744936A (en) | 2020-07-09 | 2020-07-09 | Novel kitchen waste treatment process flow |
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| Publication Number | Publication Date |
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| CN111744936A true CN111744936A (en) | 2020-10-09 |
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| CN202010656894.5A Pending CN111744936A (en) | 2020-07-09 | 2020-07-09 | Novel kitchen waste treatment process flow |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760150A (en) * | 2021-02-07 | 2021-05-07 | 杜振刚 | Treatment process for preparing solid fuel from kitchen waste |
| CN114247728A (en) * | 2022-03-01 | 2022-03-29 | 菲德克（天津）环保科技有限公司 | Kitchen waste treatment system and treatment method |
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| US20080020456A1 (en) * | 2006-06-23 | 2008-01-24 | Choate Chris E | Systems and methods for converting organic waste materials into useful products |
| CN104178525A (en) * | 2014-07-31 | 2014-12-03 | 苏州康绿宝环境科技有限公司 | Treatment method and system of kitchen waste |
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| CN111085527A (en) * | 2019-12-31 | 2020-05-01 | 宁波开诚生态技术有限公司 | Treatment method of waste kitchen grease |
-
2020
- 2020-07-09 CN CN202010656894.5A patent/CN111744936A/en active Pending
Patent Citations (10)
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| JP2005040717A (en) * | 2003-07-23 | 2005-02-17 | Junichi Kashiwagi | Garbage recovering apparatus |
| US20080020456A1 (en) * | 2006-06-23 | 2008-01-24 | Choate Chris E | Systems and methods for converting organic waste materials into useful products |
| CN104178525A (en) * | 2014-07-31 | 2014-12-03 | 苏州康绿宝环境科技有限公司 | Treatment method and system of kitchen waste |
| CN106858687A (en) * | 2017-03-06 | 2017-06-20 | 临沧都汇再生资源有限责任公司 | A kind of Se-enriched feedstuff production system, method and Se-enriched feedstuff |
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| CN110883049A (en) * | 2019-11-13 | 2020-03-17 | 苏州腾康环保科技有限公司 | Comprehensive treatment method for kitchen waste |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760150A (en) * | 2021-02-07 | 2021-05-07 | 杜振刚 | Treatment process for preparing solid fuel from kitchen waste |
| CN114247728A (en) * | 2022-03-01 | 2022-03-29 | 菲德克（天津）环保科技有限公司 | Kitchen waste treatment system and treatment method |
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Application publication date: 20201009 |
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