CN105114961B - A kind of method and its heat recovery system that the recovery processing of waste oil paint can recycles - Google Patents

A kind of method and its heat recovery system that the recovery processing of waste oil paint can recycles Download PDF

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Publication number
CN105114961B
CN105114961B CN201510630356.8A CN201510630356A CN105114961B CN 105114961 B CN105114961 B CN 105114961B CN 201510630356 A CN201510630356 A CN 201510630356A CN 105114961 B CN105114961 B CN 105114961B
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heat
exhaust gas
waste oil
accumulating type
oil paint
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CN105114961A (en
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范泽辉
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JIANGSU DINGFAN ENVIRONMENTAL SERVICES Co.,Ltd.
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Jiangsu Dingfan Environmental Services Co Ltd
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Abstract

The present invention relates to the methods that a kind of recovery processing of waste oil paint can recycles.Include the following steps: that (1) is crushed waste oil paint can, collects exhaust gas;(2) iron sheet and residue are toasted, exhaust gas is collected and separates iron sheet and residue;(3) exhaust gas of collection is decomposed into water and carbon dioxide;(4) a small amount of lime-ash carried secretly in electrostatic depuration processing exhaust gas.And a kind of heat recovery system recycled for the recovery processing of waste oil paint can is provided, including monitoring system, the clean furnace system of heat, residual neat recovering system, heat accumulating type incineration system, purification system and spray system.Exhaust gas when handling waste oil paint can is sent into heat accumulating type incineration system and carries out full combustion by the present invention, it is decomposed into water and carbon dioxide, a small amount of lime-ash in exhaust gas, discharge is concentrated after electrostatic depuration dedusting and filter bag type dust removal process, it effectively prevent the noxious material in waste oil paint can to pollute environment, waste heat carries out secondary use in waste gas treatment process, improves energy utilization rate, energy saving, security performance is high.

Description

A kind of method and its heat recovery system that the recovery processing of waste oil paint can recycles
Technical field
The present invention relates to methods and its heat recovery system that a kind of recovery processing of waste oil paint can recycles, belong to waste oil paint can Recovery technology field.
Background technique
Used waste oil paint can is collected, prevents it from entering the ecosystem, the one kind to cause damages to environment Behavior.Contain a large amount of noxious material in waste and old waste oil paint can.If arbitrarily abandoned, corrupt waste oil paint can destroy us Water source corrodes crops and soil that we depend on for existence, our living environment will be faced with huge threat.So we have Waste and old waste oil paint can after necessity will use carries out recycling and reusing, and one can prevent pollution environment, and two can be to wherein Useful ingredient is recycled, and is economized on resources.Currently, in the market be recycled waste oil paint can system and device airtightness compared with Difference is easy to give off a large amount of noxious material in removal process, and needs to supply using mass energy and burn, and greatly increases The use of production cost and the energy.
Summary of the invention
The purpose of the present invention is to provide method and its heat recovery system that a kind of recovery processing of waste oil paint can recycles, energy Enough waste and old paint kettles to after using carry out recycling and reusing, prevent its from polluting environment, energy saving, in removal process waste heat into Row secondary use improves energy utilization rate, securely and reliably.
Thus the technical scheme adopted by the invention is that:
A kind of method that the recovery processing of waste oil paint can recycles, comprising the following steps:
(1) be crushed: useless bucket is sent into shear crusher by conveyer belt, and the bucket that gives up is fed from top, goes out after broken from lower part Material, obtained iron plate is having a size of 40mm-200mm;The exhaust gas generated in shattering process is collected by localized ducting and is sent into heat accumulating type Incineration system centralized processing;
(2) thermal cleaning: the iron plate in step (1) is sent into the burner hearth of the clean furnace of heat, by the high temperature of heat accumulating type incineration system Gas through heat exchanger introduces in burner hearth, carries out high-temperature baking to iron sheet and residue, baking reaches certain temperature, so that in residue Volatilizable ingredient all gasify, exhaust gas is sent into the centralized processing of heat accumulating type incineration system, passes through vibration after the baking cycle being set Motivation separates lime-ash and scrap iron skin;
(3) organic exhaust gas that step (1) and step (2) are collected exhaust gas harmless treatment: is sent into heat accumulating type incineration together System makes exhaust gas be decomposed into water and carbon dioxide through 900-1100 DEG C of full combustion;
(4) electrostatic depuration dedusting: a small amount of lime-ash is carried secretly in the exhaust gas in step (3), through electrostatic precipitation system and filter bag type Discharge is concentrated after dust pelletizing system processing, and burned waste gas process can generate a large amount of thermal energy, extra heat be led through heat exchanger Enter and is utilized again in the clean furnace of heat.
A kind of heat recovery system recycled for the recovery processing of waste oil paint can, including monitoring system, connection monitoring system The clean furnace system of heat, residual neat recovering system, heat accumulating type incineration system, purification system and spray system, at the clean furnace system of heat It is provided with residual neat recovering system, purification system includes several electrostatic precipitation systems and several Filter-bag Dust-removal Systems, waste heat recycling System one end is connected by pipeline with heat accumulating type incineration system, and the residual neat recovering system other end is removed by pipeline and several electrostatic The connection of dirt system, several electrostatic precipitation system other ends are connected by pipeline with several Filter-bag Dust-removal Systems, described Several Filter-bag Dust-removal Systems are connect by pipeline with first exhaust system, the heat accumulating type incineration system and the clean furnace system point of heat There is not secondary combustion system by piping connection, second exhaust system, the heat accumulating type are connected at the secondary combustion system Incineration system, the clean furnace system of heat and secondary combustion system are connect with spray system respectively.
Further, the clean furnace system of heat is made of several clean furnaces of heat interconnected.
Further, cooling system is equipped with before the purification system, the cooling system is connected with monitoring system.
Further, the heat accumulating type incineration system is made of several RTO incinerators.
Further, blower is equipped between the Filter-bag Dust-removal System and first exhaust system.
The invention has the advantages that
Waste oil paint can is carried out broken generation iron sheet and residue by the present invention, will toast exhaust gas and break that iron sheet and residue generate Exhaust gas when broken waste oil paint can, which is collected, is sent into heat accumulating type incineration system progress full combustion, and exhaust gas is made to be decomposed into water and dioxy Change carbon, a small amount of lime-ash in exhaust gas concentrates discharge after electrostatic depuration dedusting and filter bag type dust removal process, effectively prevent waste oil paint Noxious material in bucket pollutes environment, and waste heat carries out secondary use in waste gas treatment process, improves energy utilization rate, saves energy Source, security performance are high.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
1 it is the clean furnace of heat in figure, 2 be secondary combustion system, 3 be second exhaust system, 4 be spray system, 5 is waste heat recycling System, 6 be cooling system, 7 be electrostatic precipitation system, 8 be RTO incinerator, 9 be first exhaust system, 10 be monitoring system, 11 It is Filter-bag Dust-removal System, 12 is blower.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, but any not as doing to the present invention The foundation of limitation.
A kind of method that the recovery processing of waste oil paint can recycles, comprising the following steps:
(1) be crushed: useless bucket is sent into shear crusher by conveyer belt, and the bucket that gives up is fed from top, goes out after broken from lower part Material, obtained iron plate is having a size of 40mm-200mm;The exhaust gas generated in shattering process is collected by localized ducting and is sent into heat accumulating type Incineration system centralized processing;
(2) thermal cleaning: the iron plate in step (1) is sent into the burner hearth of the clean furnace of heat, by the high temperature of heat accumulating type incineration system Gas through heat exchanger introduces in burner hearth, carries out high-temperature baking to iron sheet and residue, baking reaches certain temperature, so that in residue Volatilizable ingredient all gasify, exhaust gas is sent into the centralized processing of heat accumulating type incineration system, passes through vibration after the baking cycle being set Motivation separates lime-ash and scrap iron skin;
(3) organic exhaust gas that step (1) and step (2) are collected exhaust gas harmless treatment: is sent into heat accumulating type incineration together System makes exhaust gas be decomposed into water and carbon dioxide through 900-1100 DEG C of full combustion;
(4) electrostatic depuration dedusting: a small amount of lime-ash is carried secretly in the exhaust gas in step (3), through electrostatic precipitation system and filter bag type Discharge is concentrated after dust pelletizing system processing, and burned waste gas process can generate a large amount of thermal energy, extra heat be led through heat exchanger Enter and is utilized again in the clean furnace of heat.
A kind of heat recovery system recycled for the recovery processing of waste oil paint can, including monitoring system 10, connection monitoring system The clean furnace system of heat, residual neat recovering system 5, heat accumulating type incineration system, purification system and the spray system 4 of system 10, the clean furnace of heat Residual neat recovering system 5 is provided at system, purification system includes several electrostatic precipitation systems 7 and several Filter-bag Dust-removal Systems 11,5 one end of residual neat recovering system is connected by pipeline with heat accumulating type incineration system, and 5 other end of residual neat recovering system passes through pipe Road is connect with several electrostatic precipitation systems 7, and several 7 other ends of electrostatic precipitation system pass through pipeline and several filter bag type dedustings System 11 is connected, and several Filter-bag Dust-removal Systems 11 are connect by pipeline with first exhaust system 9, and the heat accumulating type is burnt Burning system and the clean furnace system of heat pass through piping connection respectively and have secondary combustion system 2, and the is connected at the secondary combustion system 2 Two exhaust systems 3, the heat accumulating type incineration system, the clean furnace system of heat and secondary combustion system 2 are connect with spray system 4 respectively; The clean furnace system of heat is made of several clean furnaces 1 of heat interconnected;Cooling system 6 is equipped with before the purification system, it is described Cooling system 6 is connected with monitoring system 10;The heat accumulating type incineration system is made of several RTO incinerators 8;The filter bag Blower 12 is equipped between formula dust pelletizing system 11 and first exhaust system 9.
Wherein, waste oil paint can recovery processing recycles description of the process as follows:
(1) be crushed: useless bucket is sent into shear crusher by conveyer belt, and the bucket that gives up is fed from top, goes out after broken from lower part Material, entire shattering process are that serialization is full-automatic, and obtained iron sheet is having a size of 40mm-200mm, the exhaust gas that generates in shattering process It is collected by localized ducting and is sent into the centralized processing of heat accumulating type incineration system.
(2) thermal cleaning: thermal cleaning process is core process link, and the equipment which selects is two-part by several heat The clean furnace system of heat that clean furnace 1 forms, its working principle is that gaseous state is converted by the organic matter in waste oil paint can, by exhaust gas in high temperature Second-time burning in environment, and the qualified discharge after the processing of the processes such as dedusting.Thermal cleaning is divided into two processes, when primary combustion, breaks Iron sheet after broken is sent into the burner hearth of the clean furnace 1 of heat by conveyer belt, and the high-temperature gas of RTO incinerator 8 is introduced furnace through heat exchanger In thorax, high-temperature baking is carried out to iron sheet and residue, baking reaches certain temperature, so that the volatilizable ingredient whole gas in residue Change, exhaust gas is sent into the centralized processing of heat accumulating type incineration system, passes through bobbing machine after the baking cycle being set for lime-ash and scrap iron skin Separation, lime-ash are trembled into deashing funnel, and scrap iron skin is sent through conveyer belt to packing department, and when baking accurately controls containing for oxygen in burner hearth Amount guarantees that organic matter does not have sufficient oxygen to react with iron plate and generates iron oxide while abundant gasification.
(3) exhaust treatment system: what the organic exhaust gas and the clean furnace system of heat that raw material temporary library, Dao Can workshop section collect volatilized has Machine exhaust gas is sent into heat accumulating type incineration system together, through 900-1100 DEG C of full combustion, so that exhaust gas is decomposed into water and carbon dioxide, It carries a small amount of lime-ash in exhaust gas secretly, concentrates discharge, burned waste gas mistake after electrostatic precipitation system 7 and Filter-bag Dust-removal System 11 are handled Journey can generate a large amount of thermal energy, import in the clean furnace 1 of heat extra heat through heat exchanger and utilize again.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that A specific embodiment of the invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not taking off Under the premise of from present inventive concept, several simple deduction or replace can also be made, all shall be regarded as belonging to the present invention by institute Claims of submission determine scope of patent protection.

Claims (6)

1. a kind of method that the recovery processing of waste oil paint can recycles, which comprises the following steps:
(1) be crushed: useless bucket is sent into shear crusher by conveyer belt, and the bucket that gives up is fed from top, discharges, obtains from lower part after being crushed The iron plate arrived is having a size of 40mm-200mm;The exhaust gas generated in shattering process is collected by localized ducting and is sent into heat accumulating type incineration system System centralized processing;
(2) thermal cleaning: the iron plate in step (1) is sent into the burner hearth of the clean furnace of heat, by the high-temperature gas of heat accumulating type incineration system It is introduced in burner hearth through heat exchanger, high-temperature baking is carried out to iron sheet and residue, so that the volatilizable ingredient in residue all gasifies, Exhaust gas is sent into the centralized processing of heat accumulating type incineration system, is divided lime-ash and scrap iron skin by bobbing machine after the baking cycle being set From;
(3) exhaust gas harmless treatment: sending the organic exhaust gas that step (1) and step (2) are collected into heat accumulating type incineration system together, Through 900-1100 DEG C of full combustion, exhaust gas is made to be decomposed into water and carbon dioxide;
(4) electrostatic depuration dedusting: a small amount of lime-ash is carried secretly in the exhaust gas in step (3), through electrostatic precipitation system and filter bag type dedusting Discharge is concentrated after system processing, burned waste gas process can generate a large amount of thermal energy, and extra heat is imported heat through heat exchanger It is utilized again in clean furnace.
2. a kind of heat recovery system recycled for the recovery processing of waste oil paint can, which is characterized in that including monitoring system, connection The clean furnace system of heat of monitoring system, residual neat recovering system, heat accumulating type incineration system, purification system and spray system, the heat are clean It is provided with residual neat recovering system at furnace system, purification system includes several electrostatic precipitation systems and several Filter-bag Dust-removal Systems, Residual neat recovering system one end is connected by pipeline with heat accumulating type incineration system, if the residual neat recovering system other end by pipeline with Dry electrostatic precipitation system connection, several electrostatic precipitation system other ends are connected by pipeline with several Filter-bag Dust-removal Systems It connects, several Filter-bag Dust-removal Systems are connect by pipeline with first exhaust system, and the heat accumulating type incineration system and heat are clean Furnace system passes through piping connection respectively secondary combustion system, and second exhaust system, institute are connected at the secondary combustion system It states heat accumulating type incineration system, the clean furnace system of heat and secondary combustion system to connect with spray system respectively, heat accumulating type incineration system connects It is connected to the localized ducting for collecting exhaust gas, the high-temperature gas of heat accumulating type incineration system is introduced in burner hearth through heat exchanger, concentrated Pipeline is connected with shear crusher, and shear crusher is connected with conveyer belt.
3. a kind of heat recovery system recycled for the recovery processing of waste oil paint can according to claim 2, feature exist In the clean furnace system of heat is made of several clean furnaces of heat interconnected.
4. a kind of heat recovery system recycled for the recovery processing of waste oil paint can according to claim 2, feature exist In equipped with cooling system before the purification system, the cooling system is connected with monitoring system.
5. a kind of heat recovery system recycled for the recovery processing of waste oil paint can according to claim 2, feature exist In the heat accumulating type incineration system is made of several RTO incinerators.
6. a kind of heat recovery system recycled for the recovery processing of waste oil paint can according to claim 2, feature exist In equipped with blower between the Filter-bag Dust-removal System and first exhaust system.
CN201510630356.8A 2015-09-29 2015-09-29 A kind of method and its heat recovery system that the recovery processing of waste oil paint can recycles Active CN105114961B (en)

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CN105382019A (en) * 2015-12-29 2016-03-09 常熟市首誉机械有限公司 Comprehensive environment-friendly recycling and treating system for waste oil filters and metal drums
CN105605580A (en) * 2016-01-08 2016-05-25 史林芳 Method and device for applying waste heat of solid waste incineration system to treatment of waste paint buckets
CN106311722A (en) * 2016-09-08 2017-01-11 重庆君利丰环保有限公司 Method for harmless treatment of waste paint buckets through converter
CN106180157A (en) * 2016-09-08 2016-12-07 重庆伟晋环保科技有限公司 The method utilizing blast furnace harmlessness disposing waste oil paint can
CN106949478B (en) * 2017-02-22 2019-08-16 中山市凯德环保设备有限公司 A kind of pyrolytic incineration processing method of pendant coating
CN110090964A (en) * 2018-01-28 2019-08-06 蒋盼盼 A kind of method that the waste recovery of rare-earth Nd-Fe-B coating recycles
CN108906844B (en) * 2018-06-15 2021-09-07 湖北万有环境科技有限公司 Method for treating waste organic matter container
CN110328215A (en) * 2019-07-12 2019-10-15 福建万博环保科技有限公司 A kind of environment-friendly treatment method of old metal pail pack dry method comprehensive utilization
CN110523474B (en) * 2019-09-09 2021-10-15 重庆悦乘海智环保科技有限公司 Recycling treatment method for industrial waste iron waste container

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