CN106122969A - One way of life rubbish thermal source combined drying technique - Google Patents

One way of life rubbish thermal source combined drying technique Download PDF

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Publication number
CN106122969A
CN106122969A CN201610492104.8A CN201610492104A CN106122969A CN 106122969 A CN106122969 A CN 106122969A CN 201610492104 A CN201610492104 A CN 201610492104A CN 106122969 A CN106122969 A CN 106122969A
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CN
China
Prior art keywords
drying
house refuse
thermal source
gas
mechanical
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.)
Pending
Application number
CN201610492104.8A
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Chinese (zh)
Inventor
张光杰
陈小惠
郭顺艺
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Central Sky (xiamen) Internet Of Things Technology Co Ltd
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Central Sky (xiamen) Internet Of Things Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Central Sky (xiamen) Internet Of Things Technology Co Ltd filed Critical Central Sky (xiamen) Internet Of Things Technology Co Ltd
Priority to CN201610492104.8A priority Critical patent/CN106122969A/en
Publication of CN106122969A publication Critical patent/CN106122969A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/006—General arrangement of incineration plant, e.g. flow sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/10—Drying by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/30—Pyrolysing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/40—Gasification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/80—Shredding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses one way of life rubbish thermal source combined drying technique, the house refuse after sorting is crossed aperture is 8cm mechanical picker, is pulverized by oversize, and after making pulverizing, the maximum particle diameter of gained granulated garbage is less than 8cm；By siftage and hydraulic pressure dehydration after the granulated garbage of gained mixes after pulverizing, it is then fed into biological drying room and carries out biological drying；Material after biological drying makes RDF fuel after sending into mechanical drying roller drying, is passed in mechanical drying cylinder by the waste heat tail gas produced and dries the material in mechanical drying cylinder in subsequent power generation technique.House refuse thermal source combined drying technique of the present invention, makes thermal source comprehensive cyclic utilization, is greatly improved the utilization ratio of heat energy；The flue gas (waste heat tail gas) of discharge can be substantially reduced the discharge capacity of flue dust after rubbish adsorbs, and completes the drying course to house refuse while the not outer row of waste gas；Environmental protection and energy saving, reduce garbage disposal cost.

Description

One way of life rubbish thermal source combined drying technique
Technical field
The present invention relates to the processing technology field of house refuse, particularly relate to one way of life rubbish thermal source combined drying work Skill.
Background technology
Along with the development of society, the quickening of urbanization process, urban population increases, and living standards of the people improve, and city is raw The yield of rubbish alive is being constantly increasing, and the composition of house refuse is the most increasingly sophisticated, pollution and the danger of people's health to environment Evil is day by day serious, also limit the development in city.If house refuse can be made fuel through process, these fuel are utilized to enter Row generating, can not only solve the process problem of house refuse, moreover it is possible to provide electric energy for daily life, has well Development prospect.Study and propose, to this end, be done, the technical scheme much can implemented widely, such as: Shen Please number be 201220184786.3 Chinese patent disclose that entitled " garbage derivatived fuel integrated gas-steam combined cycle power plant fills Put " utility model patent.
During utilizing house refuse to obtain fuel gas or electric energy, house refuse is dried and then improves it Calorific value is an important process.And the dry of house refuse is typically with special drying equipment, these drying equipments are usual It is to utilize electric energy or other extra heat source to complete house refuse is dried, needs the extra energy to put into, the one-tenth of drying garbage This is higher.
Summary of the invention
It is an object of the invention to provide a kind of input without additional energy source and save garbage disposal cost shortening drying garbage The house refuse thermal source combined drying technique of time.
The above-mentioned purpose of the present invention is realized by following technical proposal:
One way of life rubbish thermal source combined drying technique, described house refuse thermal source combined drying technique, is to utilize garbage disposal House refuse after sorting, pulverizing, hydraulic pressure dehydration, biological drying is dried by multiple waste heat tail gas produced by during Dry method；
Specifically include following step:
1) sub-elect the inorganic matters (inorganic matter is for recycling and reuse) such as the metal in former house refuse, glass, stone, protect Stay the Organic substance in house refuse；
2) remaining organic domestic waste after step 1) sorts is crossed the mechanical picker that aperture is 8cm, make oversize granule Big particle diameter is at more than 8cm, and the maximum particle diameter of siftage granule is at below 8cm；
3) by step 2) oversize pulverize, make after pulverizing the maximum particle diameter of gained granulated garbage at below 8cm；
4) by step 2) siftage and after step 3) is pulverized the granulated garbage of gained mix；
5) step 4) gained mixture being carried out hydraulic pressure dehydration, its pressure size is every 40 ~ 60cm2Bear 400 ~ 600T pressure； After hydraulic pressure is dehydrated, material water ratio (percentage by weight that moisture is overall with material) can be made less than 50%；
6) material after being dehydrated by step 5) hydraulic pressure is sent into biological drying room and is carried out biological drying；The temperature of bacterium fermentation fever is controlled Between 55 DEG C ~ 65 DEG C, (use high temperature resistant prebiotic bacterium colony), after biological drying, the moisture content of material can be made less than 45%；
7) material after step 6) biological drying being sent into mechanical drying cylinder to dry, the material water ratio after drying can drop To less than 40%；
8) material after drying directly carries out pyrolytic gasification or makes that RDF is bar-shaped or carries out pyrolytic gasification again after patch fuel, Generate fuel gas；Burning combustible gas produces high-temperature flue gas, high-temperature flue gas is passed into waste heat boiler and absorbs heel row through heat exchange Release waste heat tail gas；
9) using waste heat tail gas as material drying in the mechanical drying cylinder that heat source gas is passed in step 7).
Further, hydraulic pressure dehydration in described step 5), its pressure size is every 50cm2Bear 500T pressure.
Further, the temperature of bacterium fermentation fever is controlled at 60 DEG C by described step 6).
The invention has the beneficial effects as follows: make thermal source comprehensive cyclic utilization, be greatly improved the utilization ratio of heat energy；The flue gas of discharge (waste heat tail gas) can be substantially reduced the discharge capacity of flue dust after rubbish adsorbs, and completes house refuse while the not outer row of waste gas Drying course；Environmental protection and energy saving, reduce garbage disposal cost.
Accompanying drawing explanation
Fig. 1 is present invention process flow chart.
Specific embodiment
Carry out technical scheme detailed further below by embodiment, but protection domain is not limited to this.
Embodiment: one way of life rubbish thermal source combined drying technique, as it is shown in figure 1, house refuse thermal source combined drying work Skill, be utilize in garbage processing procedure produced multiple waste heat tail gas to through sorting, pulverize, hydraulic pressure dehydration, biological drying After the house refuse method that carries out drying；
Specifically include following step:
1) sub-elect the inorganic matters (inorganic matter is for recycling and reuse) such as the metal in former house refuse, glass, stone, protect Stay the Organic substance in house refuse；
2) remaining organic domestic waste after step 1) sorts is crossed the mechanical picker that aperture is 8cm, make oversize granule Big particle diameter is at more than 8cm, and the maximum particle diameter of siftage granule is at below 8cm；
3) by step 2) oversize pulverize, make after pulverizing the maximum particle diameter of gained granulated garbage at below 8cm；
4) by step 2) siftage and after step 3) is pulverized the granulated garbage of gained mix；
5) step 4) gained mixture being carried out hydraulic pressure dehydration, its pressure size is every 40 ~ 60cm2Bear 400 ~ 600T pressure (the preferably every 50cm of pressure size2Bear 500T pressure)；After hydraulic pressure is dehydrated, (moisture is overall with material can to make material water ratio Percentage by weight) less than 50%；
6) biological drying room sent into by the material after being dehydrated by step 5) hydraulic pressure, and (it is entitled that its concrete structure and operation principle refer to another The patent application of " a kind of biological drying sterilization chamber ") carry out biological drying；The temperature of bacterium fermentation fever is controlled 55 DEG C ~ 65 DEG C it Between (using high temperature resistant prebiotic bacterium colony), after biological drying, the moisture content of material can be made less than 45%；Wherein, control bacterium to send out The temperature preferable temperature of ferment heat is 60 DEG C；
7) material after step 6) biological drying being sent into mechanical drying cylinder to dry, the material water ratio after drying can drop To less than 40%；
8) material after drying directly carries out pyrolytic gasification or makes that RDF is bar-shaped or carries out pyrolytic gasification again after patch fuel (make after eliminating drying materials in accompanying drawing RDF bar-shaped or the technical process of patch fuel), generates fuel gas；Burn combustible Gas produces high-temperature flue gas, high-temperature flue gas is passed into waste heat boiler and gives off waste heat tail gas after heat exchange absorbs；
9) using waste heat tail gas as material drying in the mechanical drying cylinder that heat source gas is passed in step 7).
Thus, make thermal source comprehensive cyclic utilization, improve the utilization ratio of heat energy；The flue gas (waste heat tail gas) of discharge is through rubbish The discharge capacity of flue dust can be substantially reduced after absorption, while the not outer row of waste gas, complete the drying course to house refuse；Environmental protection Energy-conservation, reduce garbage disposal cost.
Carrying out actual application through May 2015 March in 2015 in Fujian Zheng Ren environmental protection company limited, result shows: raw The drying cost savings more than 25% of rubbish alive, drying effect is more preferable, and smoke discharge amount substantially reduces.
The foregoing is only the preferred embodiments of the present invention, be not limited to invention, although with reference to aforementioned enforcement The present invention has been described in detail by example, and for a person skilled in the art, it still can be to foregoing embodiments Described technical scheme is modified, or wherein portion of techniques feature is carried out equivalent.All invention spirit and Within principle, any modification, equivalent substitution and improvement etc. made, within should be included in the protection domain of invention.

Claims (3)

1. one way of life rubbish thermal source combined drying technique, it is characterised in that: described house refuse thermal source combined drying technique, be Multiple waste heat tail gas produced by utilizing in garbage processing procedure is to the life after sorting, pulverizing, hydraulic pressure dehydration, biological drying The method that rubbish of living carries out drying；
Specifically include following step:
1) sub-elect the inorganic matters (inorganic matter is for recycling and reuse) such as the metal in former house refuse, glass, stone, protect Stay the Organic substance in house refuse；
2) remaining organic domestic waste after step 1) sorts is crossed mechanical picker that aperture is 8cm (, make oversize granule Big particle diameter is at more than 8cm, and the maximum particle diameter of siftage granule is at below 8cm)；
3) by step 2) oversize pulverize, make after pulverizing the maximum particle diameter of gained granulated garbage at below 8cm；
4) by step 2) siftage and after step 3) is pulverized the granulated garbage of gained mix；
5) step 4) gained mixture being carried out hydraulic pressure dehydration, its pressure size is every 40 ~ 60cm2Bear 400 ~ 600T pressure；
6) material after being dehydrated by step 5) hydraulic pressure is sent into biological drying room and is carried out biological drying；The temperature of bacterium fermentation fever is controlled (high temperature resistant prebiotic bacterium colony is used) between 55 DEG C ~ 65 DEG C；
7) material after step 6) biological drying is sent into mechanical drying cylinder to dry；
8) material after drying directly carries out pyrolytic gasification or makes that RDF is bar-shaped or carries out pyrolytic gasification again after patch fuel, Generate fuel gas；Burning combustible gas produces high-temperature flue gas, high-temperature flue gas is passed into waste heat boiler and absorbs heel row through heat exchange Release waste heat tail gas；
9) using waste heat tail gas as material drying in the mechanical drying cylinder that heat source gas is passed in step 7).
House refuse thermal source combined drying technique the most according to claim 1, it is characterised in that: hydraulic pressure in described step 5) Dehydration, its pressure size is every 50cm2Bear 500T pressure.
House refuse thermal source combined drying technique the most according to claim 1, it is characterised in that: by bacterium in described step 6) The temperature of fermentation fever controls at 60 DEG C.
CN201610492104.8A 2016-06-29 2016-06-29 One way of life rubbish thermal source combined drying technique Pending CN106122969A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106678815A (en) * 2017-02-28 2017-05-17 源创环境科技有限公司 Low-temperature pyrolysis system and method for household garbage
CN106825000A (en) * 2017-02-24 2017-06-13 中山市恒辉自动化科技有限公司 A kind of organic waste harmlessness disposing and clean energy resource utilize system
CN107883379A (en) * 2017-11-14 2018-04-06 绍兴上虞绿美环保科技有限公司 A kind of simple efficient domestic garbage disposer
CN109185887A (en) * 2018-09-14 2019-01-11 广西博世科环保科技股份有限公司 A kind of house refuse coupling desiccation pyrolysis processing technique and processing system
CN113522927A (en) * 2021-06-21 2021-10-22 山西苏金源生物科技有限公司 Operation method of organic waste treatment system

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CN103934251A (en) * 2014-01-21 2014-07-23 上海程胜环保科技有限公司 Human household garbage disposition and recycling method
CN204138628U (en) * 2014-10-30 2015-02-04 成都绿源新创环保科技有限公司 The biological dewatered utilization of resources system of a kind of rubbish tunnel like
CN204220610U (en) * 2014-09-30 2015-03-25 上海申嘉三和环保股份有限公司 A kind of garbage derivatived fuel preparation system of low energy consumption
CN105363756A (en) * 2014-08-20 2016-03-02 福建正仁环保有限公司 Domestic garbage-to-RDF pyrolysis gasification fuel gas electricity generation process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102010771A (en) * 2010-09-21 2011-04-13 桑德环境资源股份有限公司 Treatment method for reducing moisture content of raw materials of refuse derived fuel
CN103934251A (en) * 2014-01-21 2014-07-23 上海程胜环保科技有限公司 Human household garbage disposition and recycling method
CN105363756A (en) * 2014-08-20 2016-03-02 福建正仁环保有限公司 Domestic garbage-to-RDF pyrolysis gasification fuel gas electricity generation process
CN204220610U (en) * 2014-09-30 2015-03-25 上海申嘉三和环保股份有限公司 A kind of garbage derivatived fuel preparation system of low energy consumption
CN204138628U (en) * 2014-10-30 2015-02-04 成都绿源新创环保科技有限公司 The biological dewatered utilization of resources system of a kind of rubbish tunnel like

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106825000A (en) * 2017-02-24 2017-06-13 中山市恒辉自动化科技有限公司 A kind of organic waste harmlessness disposing and clean energy resource utilize system
CN106678815A (en) * 2017-02-28 2017-05-17 源创环境科技有限公司 Low-temperature pyrolysis system and method for household garbage
CN106678815B (en) * 2017-02-28 2017-10-10 源创环境科技有限公司 A kind of house refuse low temperature pyrogenation system and method
CN107883379A (en) * 2017-11-14 2018-04-06 绍兴上虞绿美环保科技有限公司 A kind of simple efficient domestic garbage disposer
CN109185887A (en) * 2018-09-14 2019-01-11 广西博世科环保科技股份有限公司 A kind of house refuse coupling desiccation pyrolysis processing technique and processing system
CN113522927A (en) * 2021-06-21 2021-10-22 山西苏金源生物科技有限公司 Operation method of organic waste treatment system

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