CN107662914B - Method and treatment system for carbonizing household garbage by using tunnel kiln - Google Patents

Method and treatment system for carbonizing household garbage by using tunnel kiln Download PDF

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Publication number
CN107662914B
CN107662914B CN201710953559.XA CN201710953559A CN107662914B CN 107662914 B CN107662914 B CN 107662914B CN 201710953559 A CN201710953559 A CN 201710953559A CN 107662914 B CN107662914 B CN 107662914B
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garbage
tunnel kiln
blocks
temperature
treatment
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CN107662914A (en
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陈旭峰
张锰
毕晟
仉瑞东
张怀玉
温晓庆
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Chengde Lianyu Industrial Co ltd
Hebei Ruisuo Solid Waste Engineering Technology Research Institute Co ltd
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Chengde Lianyu Industrial Co ltd
Hebei Ruisuo Solid Waste Engineering Technology Research Institute Co ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

The invention provides a method and a treatment system for carbonizing domestic garbage by using a tunnel kiln, which comprises garbage sorting; compacting and forming; carbonizing treatment, namely conveying the garbage blocks to a preheating zone of a tunnel kiln for dehydration and drying; the dried garbage blocks are put into a closed container and sent into a burning zone of a tunnel kiln for high-temperature pyrolysis and combustion, so that high-temperature carbonization of the garbage is realized, and high-temperature garbage carbon blocks are formed; cooling; and tail gas treatment, wherein the flue gas generated by high-temperature combustion is conveyed to a desulfurization washing tower through a draught fan through a flue for purification treatment, so that standard emission is realized. The method for carbonizing the household garbage by using the tunnel kiln provided by the invention has the advantages that the household garbage is carbonized by using the tunnel kiln, so that the carbonized household garbage can be used as a fuel and can also be used as a raw material of a building material, the terminal treatment of the household garbage is realized, the utilization rate of the household garbage is improved, and the secondary pollution is reduced.

Description

Method and treatment system for carbonizing household garbage by using tunnel kiln
Technical Field
The invention belongs to the technical field of garbage treatment, and particularly relates to a method and a treatment system for carbonizing domestic garbage by using a tunnel kiln.
Background
With the rapid development of urbanization and the increasing improvement of the living standard of people, the clearing and transporting amount of domestic garbage in cities and towns in China still rapidly increases, and the clearing and transporting amount becomes an important factor for restricting the sustainable development of cities. Because the domestic garbage has complex components, low heat value and high moisture, secondary pollution can be caused by improper treatment. The current household garbage treatment technology mainly comprises several modes of landfill, composting, incineration power generation and the like, but the terminal disposal is difficult to realize, and secondary pollution exists in different degrees. The domestic garbage carbonizing technology is a novel resource utilization technology, and the product is a solid product rich in carbon and inorganic matters, and can be used as a fuel and a raw material of building materials. But the equipment development of the carbonization furnace which is the key equipment still lacks of industrialized application.
Disclosure of Invention
The invention aims to provide a method for carbonizing domestic garbage by using a tunnel kiln, which is characterized in that the domestic garbage is carbonized by using the tunnel kiln, so that the carbonized domestic garbage can be used as fuel and can also be used as a raw material of building materials, the terminal treatment of the domestic garbage is realized, the utilization rate of the domestic garbage is improved, and the secondary pollution is reduced.
In order to achieve the purpose, the invention adopts the technical scheme that: the method for carbonizing the household garbage by using the tunnel kiln comprises the following steps:
garbage sorting: sorting and classifying the household garbage into recyclable matters and non-recyclable household garbage, and recycling the recyclable matters;
compacting and forming: the unrecoverable household garbage is sent into a compression packer for compression, air and sewage in the garbage are extruded out, and the garbage is cut into a plurality of garbage blocks;
and (3) carbonization treatment: conveying the garbage blocks to a preheating zone of a tunnel kiln for dehydration and drying; the dried garbage blocks are loaded into a closed container through a manipulator and are sent into a burning zone of a tunnel kiln for high-temperature pyrolysis combustion, so that high-temperature carbonization of the garbage is realized, and high-temperature garbage carbon blocks are formed;
cooling: sending the carbonized high-temperature garbage blocks into a cooling zone of a tunnel kiln for cooling, and sending out the cooled garbage carbon blocks from the kiln tail;
tail gas treatment: and the flue gas generated by high-temperature combustion is conveyed to a desulfurization washing tower through a flue by an induced draft fan for purification treatment, so that the standard emission is realized.
Further, in the compaction forming, the extruded sewage is collected in a sewage recovery tank for precipitation and purification treatment and is used for secondary utilization.
Furthermore, in the burning zone of the carbonization treatment, high-temperature gas generated by high-temperature pyrolysis of the garbage blocks in the closed container is led out by an induced draft fan and is sent into the burning zone as secondary air through a pipeline to be used as roasting combustion-supporting.
Further, in the burning zone of the carbonization treatment, the temperature of the burning zone is between 800 ℃ and 1000 ℃.
Furthermore, in the charring burning zone, the high-temperature pyrolysis time of the garbage blocks in the closed container is controlled to be 1-1.5 hours.
Furthermore, the drying and dehydrating time in the preheating zone of the carbonization treatment is 0.5 to 1 hour.
Further, in the cooling and cooling process, the cooling time of the cooling zone is controlled to be 1-2 hours.
Further, in the cooling, the outlet temperature of the garbage carbon block is 70-80 ℃.
Further, in the cooling process, the cooled garbage carbon blocks are crushed to be used as raw materials for sintering wall bricks.
The method for carbonizing household garbage by using the tunnel kiln has the beneficial effects that: compared with the prior art, the method for carbonizing the domestic garbage by using the tunnel kiln, disclosed by the invention, has the advantages that the domestic garbage is subjected to classified recovery, compaction molding and brick kiln carbonization to prepare the carbon block which is used as the internal combustion of the sintered wall brick, on one hand, the unrecoverable garbage is reused, the domestic garbage is fully reused, and the secondary pollution is reduced; on the other hand, the land use of the landfill waste garbage is reduced, the land damage caused by soil taking and digging is reduced, and the method has important significance for energy conservation and consumption reduction of the tunnel kiln and optimization of garbage resource treatment.
The invention utilizes the tunnel kiln to carbonize the garbage, because of the structure and the function of the tunnel kiln, the temperature and the residence time of the garbage blocks at each section are different, the treatment from a preheating zone, a burning zone to a cooling zone is realized, and the household garbage is carbonized into carbon blocks rich in carbon and inorganic matters, thereby realizing energy conservation and consumption reduction, compared with the garbage treatment by a garbage incinerator, the energy conservation rate is below 120 percent, and compared with the traditional garbage landfill mode, the invention saves the land.
The invention also provides a household garbage treatment system which comprises a garbage pretreatment unit for sorting the household garbage, a compression packer for compacting and forming the non-recyclable household garbage, a cutting machine for cutting the compacted garbage, a tunnel kiln for carbonizing garbage blocks and a desulfurization washing tower for purifying tail gas.
The household garbage treatment system provided by the invention has the beneficial effects that: the system provided by the invention can classify the garbage, carry out carbonization treatment on the unrecoverable garbage, and the carbonized garbage blocks can be used as wall raw materials, thereby reducing the yield of wastes and achieving the purpose of waste utilization.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a process flow chart of a method for carbonizing domestic garbage by using a tunnel kiln according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a domestic garbage treatment system for carbonization by a tunnel kiln according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Referring to fig. 1 and 2 together, the method for carbonizing domestic garbage by using a tunnel kiln according to the present invention will now be described. The method for carbonizing the household garbage by using the tunnel kiln comprises the following steps:
garbage sorting: sorting and classifying the household garbage into recyclable matters and non-recyclable household garbage, and recycling the recyclable matters;
compacting and forming: the unrecoverable household garbage is sent into a compression packer for compression, air and sewage in the garbage are extruded out, and the garbage is cut into a plurality of garbage blocks;
and (3) carbonization treatment: conveying the garbage blocks to a preheating zone of a tunnel kiln for dehydration and drying; the dried garbage blocks are loaded into a closed container through a manipulator and are sent into a burning zone of a tunnel kiln for high-temperature pyrolysis combustion, so that high-temperature carbonization of the garbage is realized, and high-temperature garbage carbon blocks are formed;
cooling: sending the carbonized high-temperature garbage blocks into a cooling zone of a tunnel kiln for cooling, and sending out the cooled garbage carbon blocks from the kiln tail;
tail gas treatment: and the flue gas generated by high-temperature combustion is conveyed to a desulfurization washing tower through a flue by an induced draft fan for purification treatment, so that the standard emission is realized.
Compared with the prior art, the method for carbonizing the domestic garbage by using the tunnel kiln provided by the invention has the advantages that the tunnel kiln is used for carbonizing the compacted and molded unrecoverable garbage, and the novel wall brick internal combustion is prepared. Especially adopt the high-efficient tunnel cave that the novel wall brick of present manufacturing used, utilize fuel and flue gas after the domestic waste carbomorphism as the fuel of tunnel cave, as the internal combustion of the novel wall brick of sintering, reach and reduce the denitration cost, practice thrift the coal consumption, reduce nitrogen oxide and discharge and the useless multiple effect of department.
The sintered brick and tile industry is an important industry of building materials in China. The tunnel kiln is the main firing equipment of the large-scale enterprises in the sintered brick industry, and fossil fuel is mainly used for sintering and drying. The tunnel kiln consists of a preheating zone, a burning zone and a cooling zone, and is conveyed in the tunnel through a kiln car. Due to the special structure and function of the tunnel kiln, the temperature and the retention time of each section are different, so that the tunnel kiln can be used for disposing wastes, and energy conservation and consumption reduction are realized. The domestic garbage is carbonized into carbon blocks rich in carbon and inorganic matters, and the carbon blocks can be crushed together with the materials used by the novel wall brick to be used as internal combustion for sintering the novel wall brick.
The domestic garbage treatment method provided by the invention has the advantages that the tunnel kiln is utilized to carbonize the compacted and molded unrecoverable garbage, so that dioxin in the garbage can be thoroughly burnt. The garbage carbon blocks can replace the original fuel, and only contain carbon and inorganic matters; the garbage carbon blocks are fired, so that the transportation is convenient, the garbage carbon blocks can be used as other building materials, and the energy conservation and consumption reduction of the industry are obvious. The energy consumption of the carbonization treatment of the garbage is generally 4.1-5kw/T according to the calculation of related energy consumption indexes of the garbage treatment, for example, 8 ten thousand tons of daily garbage with the same quality as that of the incinerator is treated annually, 6600 tons of standard coal can be saved annually, and the energy saving rate of the carbonization treatment of the tunnel kiln is more than 120 percent compared with that of the garbage incinerator; compared with the traditional garbage landfill mode, the land is saved.
The method comprises the complete processes of domestic garbage sorting, compaction molding, brick kiln carbonization, waste gas treatment and the like. The process flow is simple, the equipment is made in a home-made mode, the price is low, the equipment investment cost is low, and seamless butt joint with the existing garbage disposal plant can be realized.
Further, referring to fig. 1, as a specific embodiment of the method for carbonizing household garbage by using a tunnel kiln provided by the present invention, in the compacting and forming, the extruded sewage is collected in a sewage recovery tank for precipitation and purification treatment for secondary use. The treated wastewater can be conveyed to a brick making stirrer, mud brick making, water sprinkling and greening, ground spraying, equipment cleaning and the like, so that the utilization of purified water is reduced, and the energy-saving and environment-friendly effects are achieved.
Further, referring to fig. 1, as a specific embodiment of the method for carbonizing household garbage by using a tunnel kiln provided by the present invention, in the burning zone for carbonization treatment, high temperature gas generated by high temperature pyrolysis of garbage blocks in a closed container is led out by an induced draft fan and sent into the burning zone as secondary air to serve as combustion-supporting for roasting. One part of the pyrolysis high-temperature hot air is used as secondary air and is sent into a burning zone through a kiln wall air supply outlet to be used as roasting combustion-supporting, so that the comprehensive effects of fuel saving, raw material emission reduction, energy conservation and waste disposal are achieved.
Further, referring to fig. 1, as a specific embodiment of the method for carbonizing household garbage by using a tunnel kiln provided by the present invention, in the burning zone of the carbonization treatment, the temperature of the burning zone is between 800 ℃ and 1000 ℃. Because the temperature of the burning zone is about 1000 ℃ and the time is 1-2 hours, the dioxin can be fully burnt.
Further, referring to fig. 1, as a specific embodiment of the method for carbonizing household garbage by using a tunnel kiln provided by the present invention, in the burning zone of the carbonization treatment, the high-temperature pyrolysis time of the garbage blocks in the closed container is controlled to be 1-1.5 hours.
Further, referring to fig. 1, as a specific embodiment of the method for carbonizing household garbage by using a tunnel kiln provided by the present invention, in the preheating zone of the carbonization treatment, the drying and dewatering time is 0.5 to 1 hour.
Further, referring to fig. 1, as an embodiment of the method for carbonizing household garbage by using a tunnel kiln provided by the present invention, in the cooling and cooling, the cooling time of the cooling zone is controlled to be 1-2 hours.
Further, referring to fig. 1, as a specific embodiment of the method for carbonizing household garbage by using a tunnel kiln provided by the present invention, in the cooling, the temperature of the outlet of the garbage block is 70-80 ℃.
Further, referring to fig. 1, as a specific embodiment of the method for carbonizing household garbage by using a tunnel kiln provided by the present invention, in the cooling, the cooled garbage carbon block is crushed to be used as a raw material for sintering wall bricks.
As a specific example, the following is a complete description of the domestic waste treatment method provided by the present invention: municipal domestic waste is sorted, recyclable matters such as construction waste and metals are screened out, the recyclable matters are compressed by a vertical baling press of 100 tons through a special baling press and are repeatedly pressed for 3-5 times, air and moisture in the waste are extruded to form garbage blocks of 1600mmx1850mmx1400mm (length x width x height), and the garbage blocks can be cut according to the size of practical application. The prepared garbage blocks enter a preheating zone from a kiln head through a kiln car (namely a brick firing car) of a tunnel kiln for dehydration and drying, the dried garbage blocks are loaded into a closed container through a mechanical arm, and are sent into a burning zone by the kiln car for high-temperature carbonization, the anoxic thermal decomposition of the garbage blocks in the closed container can be realized by controlling the temperature of the burning zone within 800-. The released harmful gases such as dioxin, furan and the like are thoroughly burnt by two times of high-temperature combustion, and are conveyed to a desulfurization washing tower for purification treatment by a draught fan through a flue, so that the emission up to the standard is realized. And the carbonized high-temperature carbon block enters a cooling belt to be cooled and then is sent out from the kiln tail. The cooling zone is blown by an air blower, and part of hot air after heat exchange is used as secondary air and is sent into the burning zone through the air supply outlet of the kiln wall to be used as roasting combustion-supporting, so that the comprehensive effects of fuel saving, raw material emission reduction, energy conservation and waste disposal are achieved.
The method comprises the steps of conveying garbage blocks from a kiln head to a preheating zone for drying, wherein the drying time is 0.5-1 hour, then loading the dried garbage blocks into a closed container, conveying the garbage blocks into a burning zone by a brick burning truck for high-temperature pyrolysis, controlling the temperature at 800-1000 ℃, controlling the time at 1-1.5 hours, controlling the temperature rise rate in the kiln by a smoke exhaust main valve, reducing the opening degree of the main valve, reducing the negative pressure suction force and reducing the temperature rise rate. Cooling the carbonized garbage carbon block in a cooling belt for about 1-2 hours, and adjusting the time according to the cooling temperature to ensure that the temperature of the carbon block outlet is about 70-80 ℃. The cooled carbon blocks are crushed and then used for internal combustion of the novel sintered wall bricks.
Referring to fig. 2, the present invention further provides a household garbage disposal system, which comprises a garbage pretreatment unit for sorting household garbage, a compression packer for compacting and forming non-recyclable household garbage, a cutting machine for cutting the compacted garbage, a tunnel kiln for carbonizing garbage blocks, and a desulfurization washing tower for purifying tail gas.
Further, referring to fig. 2, the invention also provides a household garbage treatment system, which further comprises a sewage recovery tank for treating water at the compression position of the compression packer, an induced draft fan connected with the closed container and the burning zone and used for introducing hot air into the burning zone of the tunnel kiln, and a crusher for crushing the garbage carbon blocks.
Wherein, between each processing procedure, to solid rubbish, can adopt the conveyer belt to carry, to waste water waste gas, through airtight pipeline transport, reduce and cause the pollution to the surrounding environment, for the purpose that realizes energy-conserving festival ground simultaneously, set up reasonable compactness between each process, it is suitable that the resource that will reduce on the overall arrangement and each link can recycle.
The household garbage treatment system provided by the invention is used for classifying and recycling garbage, compacting, molding and sintering non-recyclable household garbage, and considering sewage recycling treatment, high-temperature flue gas recycling treatment, flue gas purification treatment and the like, so that the energy conservation and emission reduction are realized to the maximum extent, the secondary pollution is reduced, the energy is saved, the consumption of land and energy is reduced, and the system has important significance for energy conservation and consumption reduction of a tunnel kiln and optimization of garbage recycling treatment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The method for carbonizing the household garbage by using the tunnel kiln is characterized by comprising the following steps of:
garbage sorting: sorting and classifying the household garbage into recyclable matters and non-recyclable household garbage, and recycling the recyclable matters;
compacting and forming: the unrecoverable household garbage is sent into a compression packer for compression, air and sewage in the garbage are extruded out, and the garbage is cut into a plurality of garbage blocks;
and (3) carbonization treatment: conveying the garbage blocks to a preheating zone of a tunnel kiln for dehydration and drying; the dried garbage blocks are loaded into a closed container through a manipulator and are sent into a burning zone of a tunnel kiln for high-temperature pyrolysis combustion, so that high-temperature carbonization of the garbage is realized, and high-temperature garbage carbon blocks are formed; in the burning zone of the carbonization treatment, the temperature of the burning zone is between 800 and 1000 ℃; in the charring burning zone, the high-temperature pyrolysis time of the garbage blocks in the closed container is controlled to be 1-1.5 hours;
cooling: sending the carbonized high-temperature garbage blocks into a cooling belt of a tunnel kiln for cooling, sending the cooled garbage blocks out from the kiln tail, blowing outdoor air into the cooling belt by an air blower, and sending part of hot air after heat exchange into a burning zone as secondary air through a kiln wall air supply outlet for burning and supporting combustion;
tail gas treatment: flue gas generated by high-temperature combustion is conveyed to a desulfurization washing tower through a flue by an induced draft fan for purification treatment, so that standard emission is realized;
in the compaction forming, the extruded sewage is collected in a sewage recovery tank for precipitation and purification treatment and is used for secondary utilization;
in the burning zone of the carbonization treatment, high-temperature gas generated by high-temperature pyrolysis of the garbage blocks in the closed container is led out by an induced draft fan and is taken as secondary air by a pipeline to be sent into the burning zone to be used as burning and combustion-supporting.
2. The method for carbonizing household garbage using a tunnel kiln as claimed in claim 1, wherein: in the preheating zone of the carbonization treatment, the drying and dehydration time is 0.5 to 1 hour.
3. The method for carbonizing household garbage using a tunnel kiln as claimed in claim 1, wherein: and in the cooling and cooling process, the cooling time of the cooling zone is controlled to be 1-2 hours.
4. The method for carbonizing household garbage using a tunnel kiln as claimed in claim 1, wherein: in the cooling, the temperature of the outlet of the garbage carbon block is 70-80 ℃.
5. The method for carbonizing household garbage using a tunnel kiln as claimed in claim 1, wherein: in the cooling process, the cooled garbage carbon blocks are crushed to be used as raw materials for sintering wall bricks.
6. A domestic waste treatment system for use in a method according to any one of claims 1 to 5 wherein: the device comprises a garbage pretreatment unit for sorting the household garbage, a compression packer for compressing and packing the non-recyclable household garbage, a cutting machine for cutting the compressed garbage, a tunnel kiln for carbonizing garbage blocks and a desulfurization washing tower for purifying tail gas.
CN201710953559.XA 2017-10-13 2017-10-13 Method and treatment system for carbonizing household garbage by using tunnel kiln Active CN107662914B (en)

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CN109028075A (en) * 2018-06-01 2018-12-18 陕西志清宇泰环保设备有限公司 A kind of refuse pyrolysis treatment process

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CN103322574A (en) * 2012-03-21 2013-09-25 四川国立能源科技有限公司 Method for co-processing household garbage by using tunnel kiln sintered brick production line and processing system thereof
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Publication number Priority date Publication date Assignee Title
DE4017921A1 (en) * 1989-06-07 1991-12-12 Nieberding Jean Louis Tunnel furnace giving effective redn. of rubbish - consisting of trolleys to carry refuse and expanding gas transferred to burner
US6006682A (en) * 1998-02-09 1999-12-28 Hung; Ming-Chin Garbage incinerator with tunnel furnace combustion
EP1156275A1 (en) * 2000-05-12 2001-11-21 Kun-Cheng Wu Refuse incinerating oven
CN1459585A (en) * 2002-05-22 2003-12-03 欧书信 Pollutionless garbage burning method of heat carrying circulation tunnel kiln
CN1644492A (en) * 2004-12-10 2005-07-27 彭立军 Charcoal production from house refuse
CN101367086A (en) * 2007-07-25 2009-02-18 练其辉 Processing method capable of quite recycling solid garbage
CN101519300A (en) * 2008-02-27 2009-09-02 李兴业 Method for manufacturing bricks by using household garbage
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CN102878568A (en) * 2012-11-05 2013-01-16 刘贡友 Tunnel type kiln and method for multi-temperature-gradation photon energy waste incineration treatment
CN204234452U (en) * 2014-08-02 2015-04-01 梅广勇 Consumer waste incineration complete set of equipments

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