CN107030089B - Household garbage treatment production line and household garbage treatment process thereof - Google Patents
Household garbage treatment production line and household garbage treatment process thereof Download PDFInfo
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- CN107030089B CN107030089B CN201710252580.7A CN201710252580A CN107030089B CN 107030089 B CN107030089 B CN 107030089B CN 201710252580 A CN201710252580 A CN 201710252580A CN 107030089 B CN107030089 B CN 107030089B
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- 238000011282 treatment Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 230000008569 process Effects 0.000 title claims abstract description 28
- 239000000446 fuel Substances 0.000 claims abstract description 73
- 238000010248 power generation Methods 0.000 claims abstract description 21
- 238000011221 initial treatment Methods 0.000 claims abstract description 17
- 238000002309 gasification Methods 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims description 80
- 229910052751 metal Inorganic materials 0.000 claims description 80
- 239000000463 material Substances 0.000 claims description 58
- 230000007246 mechanism Effects 0.000 claims description 45
- 239000002699 waste material Substances 0.000 claims description 42
- 239000002245 particle Substances 0.000 claims description 39
- 239000010791 domestic waste Substances 0.000 claims description 37
- 238000012216 screening Methods 0.000 claims description 33
- 239000007789 gas Substances 0.000 claims description 29
- 238000000926 separation method Methods 0.000 claims description 25
- 238000002955 isolation Methods 0.000 claims description 22
- 239000006148 magnetic separator Substances 0.000 claims description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 239000000047 product Substances 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 15
- 239000002994 raw material Substances 0.000 claims description 15
- 239000002737 fuel gas Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 238000007885 magnetic separation Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 150000002739 metals Chemical class 0.000 claims description 7
- 239000011265 semifinished product Substances 0.000 claims description 6
- -1 ferrous metals Chemical class 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
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- 239000011449 brick Substances 0.000 description 3
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- 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
-
- 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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a household garbage treatment production line and a household garbage treatment process thereof. The domestic garbage treatment production line comprises a domestic garbage primary treatment equipment group, a domestic garbage fine treatment equipment group, a domestic garbage fuel rod forming equipment group and a gas power generation equipment group, and forms an integrated production system from the primary treatment to the fine treatment of the domestic garbage, and then to the generation of the fuel rods and the gasification power generation. By adopting the domestic garbage treatment production line and the domestic garbage treatment process thereof, the degree of automation is higher, the domestic garbage sorting effect is good, the service life of production equipment is long, no sewage, smoke dust and dioxin are discharged in the treatment process, and the harmless treatment of the domestic garbage is realized.
Description
Technical Field
The invention relates to a household garbage treatment production line and a household garbage treatment process thereof, in particular to a household garbage treatment production line for converting household garbage into fuel gas and a household garbage treatment process thereof.
Background
The household garbage treatment technology is a household garbage direct-combustion power generation technology which is common at present. The technology mainly comprises the treatment processes of domestic garbage dehydration, manual sorting pretreatment, furnace entering combustion, conversion power generation and the like. Because the domestic garbage direct-fired power generation technology can generate harmful emissions such as sewage, smoke, fly ash, dioxin and the like in the treatment process, the harmful emissions need to be further treated before being discharged, the treatment difficulty is high, the cost is high, and the discharge index is unstable. In addition, the construction period of the garbage direct-combustion power generation technical project is long, the power generation efficiency is low, and the economic benefit is poor.
Aiming at the defects of the technology, the domestic garbage treatment technology for converting the domestic garbage into the fuel gas raw material is also provided at present. The technology comprises the steps of firstly carrying out primary sorting treatment on household garbage, separating unusable materials such as glass, bricks and tiles with large shapes, then carrying out fine sorting treatment such as crushing by using a crusher, screening by using a roller screening machine and magnetic separation by using a magnetic separator, adding a certain proportion of fuel auxiliaries into the sorted usable household garbage, fully mixing the materials, then feeding the mixture into a fuel forming machine for extrusion forming, and making into a fuel gas raw material with a certain shape (such as a rod shape or a block shape).
However, the existing conversion technology of domestic garbage fuel is not mature enough and mainly comprises the following steps:
firstly, in the primary sorting treatment process of the household garbage, because the types, shapes and sizes of the unusable materials needing to be sorted in the primary sorting stage are very complicated, the current automatic sorting technology of the machine cannot achieve an ideal sorting effect, and therefore, the manual sorting is mainly used at present. However, the disadvantages of manual sorting are slow sorting speed, low efficiency and easy fatigue of long-time operation; and because the concentration of harmful gas near the domestic waste is higher, when manual separation, the separation personnel need to be close to the domestic waste, and long-time operation has an influence on the health of people.
Secondly, in the meticulous sorting process of domestic waste, domestic waste generally only passes through magnetic separation once, and is not abundant to the separation of the iron content metal in the domestic waste, and owing to neglect that the cutter of the breaker that uses among the meticulous sorting process is comparatively sharp to make a small amount of tiny particle iron content metal in the domestic waste also have great influence to the cutter life-span of breaker, therefore before carrying out subsequent broken handle each time to domestic waste, do not arrange the magnetic separator to carry out the magnetic separation once more, lead to the cutter life-span of breaker to have reduction by a relatively large margin, the fault rate of machine, the maintenance rate risees. In addition, the insufficient magnetic separation also causes the reduction of the calorific value of the fuel gas raw material prepared after the domestic garbage treatment.
Thirdly, in the fine sorting treatment process of the household garbage, the iron-containing metals in the household garbage are mainly separated by a magnetic separator, and other metals such as stainless steel and the like are not effectively sorted. The condition leads to the fact that the service life of the crusher is greatly shortened, the failure rate and the maintenance rate are increased, and the heat value of the produced fuel gas raw material is reduced in the subsequent treatment of the household garbage.
Fourthly, in the process of fine sorting treatment of the household garbage, the separation of the large-particle glass slag, broken stones and broken tiles contained in the undersize of the roller screening machine is not thorough, so that the heat value of the fuel gas raw material prepared after the household garbage is treated is reduced.
In conclusion, the domestic garbage fuel conversion technology is limited in practical application due to certain immaturity in the domestic garbage fuel conversion technology, and particularly, the domestic garbage fuel conversion technology lacks an integrated, highly integrated, overall-process and practical production line which is used for carrying out primary sorting and fine sorting on domestic garbage, then preparing a fuel gas raw material and finally gasifying and generating the fuel gas raw material.
Disclosure of Invention
In order to overcome the defects of the prior art, improve the automation degree of garbage sorting, prolong the service life of household garbage treatment equipment, improve the heat value of a fuel gas raw material converted from household garbage, realize the discharge of no sewage, smoke and dioxin in the household garbage treatment process and achieve the aim of harmless treatment of the household garbage, the invention provides a household garbage treatment production line, and the technical scheme is as follows:
a household garbage treatment production line comprises a household garbage primary treatment equipment set, a household garbage fine treatment equipment set and a household garbage fuel rod forming equipment set; the discharge end of the household garbage primary treatment equipment set is connected with the feed end of the household garbage fine treatment equipment set, and the discharge end of the household garbage fine treatment equipment set is connected with the feed end of the household garbage fuel rod forming equipment set, so that an integrated production system formed by primary treatment, fine treatment and fuel rod generation of the household garbage is formed.
In the above household garbage primary processing equipment set, the used equipment comprises a conveyor for conveying household garbage, a household garbage primary sorting platform for sorting the household garbage, a crusher for crushing the sorted household garbage, and a drum screening machine for screening the crushed household garbage into oversize products of a drum screening machine with large particles and undersize products of a drum screening machine with small particles.
The household garbage primary sorting platform comprises a rack, a belt conveyor, a waste material removing device, an image acquisition device, a display device, a controller and an isolation unit, wherein the belt conveyor is arranged on the rack, the waste material removing device is arranged above the belt conveyor, and the image acquisition device is arranged above the waste material removing device; the display device and the controller are arranged in the isolation unit, and the image acquisition device is electrically connected with the display device; the waste material removing device is provided with a removing head for removing waste materials; the waste material removing device is electrically connected with the controller through an electric control element, and the isolation unit is separated from the surrounding environment of the household garbage to be treated.
The isolation unit arranged in the technical scheme can be an operation room which is separately arranged and is close to the domestic garbage to be treated on the belt conveyor, and also can be an operation room which is arranged remotely. However, in order to perform processing in a timely manner when a failure occurs in the apparatus, it is more appropriate to provide the operation room in the vicinity. Because the separation operation of the domestic garbage can be realized by the operator in the operating room, and because the isolation unit is separated from the surrounding environment of the domestic garbage to be treated or remotely arranged, the health of the operator can be better ensured.
In the household garbage primary treatment equipment, the isolation unit separated from the surrounding environment of household garbage to be treated is arranged, the condition of the household garbage primary separation platform can be synchronously seen through the image acquisition device and the display device in the isolation unit, an operator in the isolation unit can operate through the controller, the waste material removing device on the household garbage primary separation platform is controlled, and waste materials required to be removed are removed.
In this technical scheme, the discharge end of domestic waste primary treatment equipment group includes the oversize material discharge end of drum screen extension and the undersize material discharge end of drum screen extension, and domestic waste fine treatment equipment group includes big particulate matter fine handling equipment group and the fine handling equipment group of tiny particle matter, and wherein, the oversize material discharge end of drum screen extension connects the feed end of big particulate matter fine handling equipment group, and the undersize material discharge end of drum screen extension connects the feed end of the fine handling equipment group of tiny particle matter.
In the technical scheme, the large particles are oversize materials of the roller screening machine, and the small particles are undersize materials of the roller screening machine. Preferably, a drum sizer that screens particles 40mm in diameter may be used.
In order to carry out fine sorting treatment on the domestic garbage, in a domestic garbage fine treatment equipment set, a magnetic separator is configured to separate iron-containing metals.
In the large-particle fine treatment equipment group, the household garbage is further crushed into smaller particles by configuring a crusher. In order to ensure that the particle size and the uniformity of the household garbage reach a more ideal degree, at least two crushers are arranged in the large particle fine treatment equipment group. Meanwhile, considering that the iron-containing metal is only subjected to magnetic separation by a magnetic separator once, the analytic cleanliness is not enough, and particularly considering that the cutter of the crusher used in the fine separation treatment process is relatively sharp, so that a small amount of small-particle iron-containing metal in the household garbage has a large influence on the service life of the cutter of the crusher, and therefore, the magnetic separator is arranged in front of each crusher according to the treatment flow of the household garbage. Because the magnetic separator is arranged for magnetic separation before each crushing, the service life of the cutter of the crusher is effectively prolonged, and the separation purity of the ferrous metal is greatly improved.
Considering that the domestic garbage can contain other non-ferrous metals such as stainless steel besides ferrous metals, if the domestic garbage is not effectively separated, the service life of the crusher is greatly shortened, the failure rate and the maintenance rate are increased, and the calorific value of the produced fuel gas raw material is reduced in the treatment process of the domestic garbage. Therefore, a metal separator for separating metal materials including stainless steel is also provided in the household garbage fine treatment equipment group.
The metal sorting machine comprises a rack and a belt conveyor arranged on the rack, wherein a metal detector and a metal removing device are arranged above the belt conveyor, the metal detector and the metal removing device are respectively and fixedly connected with the rack, the metal removing device is arranged behind the metal detector according to the garbage conveying direction of the belt conveyor, a longitudinal moving mechanism is arranged on the metal removing device, a vertical moving mechanism is arranged on the longitudinal moving mechanism, and a removing head used for removing metal is arranged on the vertical moving mechanism.
In the metal sorting machine, the image acquisition device can adopt a camera, the display device can adopt a display, and the used controller can adopt a PLC (programmable logic controller). The metal sorting machine has the working principle of metal removal: the household garbage is conveyed to the position of the metal detector through the belt conveyor, the detected metal position information is conveyed to the controller, after the metal is moved to the metal removing device, the controller controls the vertical moving mechanism and the longitudinal moving mechanism of the metal removing device to move, and the metal is removed through a removing head arranged on the vertical moving mechanism.
It should be noted that the waste material removing device for the primary sorting platform of domestic garbage can also adopt the same structure of the metal removing device used in the metal sorting machine described above.
In the fine processing equipment group for small particles, the separation is further carried out by configuring a vibrating screen and a gravity separation conveyor. The vibrating screen is provided with an oversize material discharging end of the vibrating screen and an undersize material discharging end of the vibrating screen, the oversize material discharging end of the vibrating screen is connected with the gravity separation conveyor, and the undersize material discharging end of the vibrating screen is connected with the waste bin through the conveyor.
The gravity separation conveyor is configured to separate large-particle glass slag, broken stones and broken bricks and tiles, so that the heat value of the fuel gas raw material prepared after the subsequent domestic garbage treatment is improved. The gravity sorting conveyor in the technical scheme adopts the belt conveyor, and the conveying belt plane of the belt conveyor is obliquely arranged with the horizontal plane in the conveying direction of the conveying belt, so that when the belt conveyor conveys domestic garbage along the inclined plane in the upward direction, large particles fall down along the inclined plane due to the action of gravity and enter the waste material phase arranged at the lower end of the belt conveyor.
In order to obtain better sorting effect, the inclination angle of the plane of the conveying belt of the belt conveyor to the horizontal plane in the conveying direction of the conveying belt is set to be 19-28 degrees. More preferably, when the inclination angle is set to 21-26 degrees, the rolling effect on the heavy objects (such as glass slag, broken stone, broken tiles and the like) with the particle diameter of more than 20mm is better.
In order to form a production line integrating primary treatment, fine treatment, fuel raw material preparation and fuel gasification and power generation of the household garbage, the household garbage treatment production line of the technical scheme further comprises a gas power generation equipment set, and the gas power generation equipment set comprises a gas generator set and a fuel rod gasification furnace. The discharge end of the household garbage fuel rod forming equipment set is connected with the feed end of the fuel rod gasification furnace, and the fuel gas pipeline of the fuel rod gasification furnace is connected to the gas power generation boiler of the gas generator set, so that an integrated production line is formed. The integrated production line is configured by all the equipment groups, so that the efficiency of treating the household garbage can be improved, centralized management is convenient to carry out, and the integrated production line has the advantage of small occupied area.
Preferably, in order to ensure that the magnetic separation is more thorough, a magnetic separator can be additionally arranged after the household garbage fine treatment device group and before the household garbage fuel rod forming device group.
The household garbage fuel rod forming equipment set comprises a belt weighing conveyer for weighing household garbage, a feeding machine for adding a fuel additive for the fuel additive into the household garbage, a stirring machine for fully mixing the household garbage and the fuel additive, and a fuel rod forming machine for manufacturing a stirred household garbage mixture into fuel rods.
The process flow for treating the household garbage by adopting the household garbage treatment production line comprises the step of removing the waste by using the isolation unit isolated from the surrounding environment of the household garbage in the primary treatment process of the household garbage, and the step of removing the waste by adopting the waste removing device arranged on the primary platform of the household garbage.
The process flow for treating the household garbage by adopting the household garbage treatment production line further comprises the step of removing metals by adopting a metal sorting machine in the fine treatment process of the household garbage and the step of sorting by adopting the gravity sorting conveyor.
The beneficial effects of the invention are:
firstly, a waste material removing device is arranged in a primary domestic garbage sorting platform, and a dynamic image of domestic garbage is synchronously displayed in an isolation unit isolated from the surrounding environment of the domestic garbage through an image acquisition device, so that the domestic garbage sorting operation in the isolation unit by an operator is realized, the labor intensity of manual sorting is reduced, and the sorting efficiency is improved; and because the isolation unit is isolated from the surrounding environment of the household garbage, the health of the operators is effectively guaranteed.
Secondly, be provided with the breaker of no less than two in the meticulous processing equipment group of large granule thing, and dispose the magnet separator according to the processing procedure of domestic waste in the former processing procedure of its each breaker for when the iron-bearing metal obtains better separation, also prolonged the cutter life-span of breaker effectively.
Thirdly, a metal separator is also arranged in the household garbage fine treatment equipment group, so that the separation of metals including stainless steel in the household garbage is realized. And the metal removing device of the metal sorting machine is provided with a moving mechanism in the longitudinal direction and the vertical direction, so that the removing head can be accurately positioned and removed, and the domestic garbage moving on the belt conveyor can be bypassed when the removing head returns, so that the movement interference can not be caused.
Fourthly, in the fine sorting and processing equipment set of the household garbage, a gravity sorting conveyor is adopted to separate the glass slag, broken stones and broken bricks and tiles with larger particles contained in the undersize of the drum screening machine, so that the cleanliness of the usable materials of the household garbage is improved. The used gravity sorting conveyor adopts a belt conveyor with a conveying belt arranged in an inclined way, the inclination angle range of 19-28 degrees is preferably selected, and a better sorting effect is obtained.
Fifth, the domestic waste treatment production line and the domestic waste treatment process of the invention have no sewage, smoke and dioxin discharge in the treatment process, and realize the harmless treatment of the domestic waste.
Drawings
The invention will be further illustrated by the following figures and specific examples.
FIG. 1 is a schematic view of the overall structure of a domestic waste treatment line.
Fig. 2 is a schematic structural diagram of a household garbage primary sorting platform.
Fig. 3 is a schematic view of the structure of the metal sorting machine.
Fig. 4 is a right side view of a schematic view of the structure of the metal sorter (without the metal detector in the view).
Fig. 5 is a schematic diagram illustrating the moving mechanism of the metal removing device in fig. 4 realizing longitudinal movement and vertical movement thereof.
Fig. 6 is a partially enlarged view of a portion of the moving mechanism in fig. 4.
FIG. 7 is a view of the dovetail fit of the extension plate to the guide plate.
In the figure:
1000. the household garbage primary treatment equipment group comprises 1010 a conveyor 1020, a household garbage primary sorting platform 1030, a conveyor 1040, a crusher 1050, a conveyor 1060 and a roller screening machine;
1020-001 parts of an image acquisition device, 1020-002 parts of a display device, 1020-003 parts of an isolation unit, 1020-004 parts of a controller, 1020-100 parts of a rack, 1020-200 parts of a belt conveyor, 1020-400 parts of a waste material removing device;
2000. the large particle fine treatment equipment group comprises 2010, a conveyor, 2020, a magnetic separator, 2030, a crusher, 2040, a conveyor, 2050, a metal separator, 2060, a conveyor, 2070, a crusher, 2080, a conveyor, 2090, a magnetic separator, 2100 and a crusher;
2050-100 parts of a rack, 2050-101 parts of a sliding groove, 2050-200 parts of a belt conveyor, 2050-300 parts of a metal detector, 2050-400 parts of a metal removing device, 2050-401 parts of a longitudinal moving mechanism, 2050-402 parts of a vertical moving mechanism, 2050-403 parts of a removing head, 2050-404 parts of an extending plate, 2050-405 parts of 90-degree angle iron, 2050-406 parts of a guide plate, 2050-600 parts of a material box.
3000. The fine processing equipment group of the small particles comprises 3010 a conveyor, 3020 a magnetic separator, 3030 a vibrating screen, 3040 a gravity separation conveyor, 3050 a conveyor, 3060 a waste bin, 3070 and a conveyor;
4000. the household garbage fuel rod forming equipment group comprises 4010, a weighing conveyor 4020, a stirrer, 4030, a conveyor, 4040, a semi-finished product warehouse, 4050, a conveyor, 4060, a fuel rod forming machine, 4070, a conveyor, 4080, a finished product warehouse, 4090, a conveyor, 4100, a fuel auxiliary agent feeder, 4110 and a fuel auxiliary agent feeder
5000. The system comprises a gas power generation equipment set 5010, a conveyor 5020, a gas rod gasification furnace 5030 and a generator set.
In fig. 3, a indicates a direction of transporting the garbage.
Detailed Description
Example 1:
fig. 1 to 7 are preferred embodiments of the domestic waste treatment line. In the figure, the primary domestic garbage is firstly treated by a primary domestic garbage treatment equipment group 1000, and the primary domestic garbage treatment equipment group is formed by sequentially conveying the primary domestic garbage from a conveyor 1010, a primary domestic garbage sorting platform 1020, a conveyor 1030, a crusher 1040, a conveyor 1050 and then a drum screening machine 1060 according to the treatment sequence. Wherein, the oversize material discharge end of drum screening machine 1060 is connected with the feed end of large particle fine processing equipment group 2000, and the undersize material discharge end of drum screening machine is connected with the feed end of small particle fine processing equipment group 3000.
The usable household garbage processed by the household garbage primary processing device group 1000 is processed by a drum screening machine 1060 according to the processing sequence as follows:
firstly, oversize materials of the drum screening machine 1060 are sequentially processed from a conveyor 2010, a magnetic separator 2020, a crusher 2030, a conveyor 2040, a metal separator 2050, a conveyor 2060, a crusher 2070, a conveyor 2080, a magnetic separator 2090 to a crusher 2100, so that a large-particle material fine processing equipment group 2000 is formed;
secondly, undersize materials of the drum screening machine 1060 are sequentially processed from the conveyor 3010, the magnetic separator 3020 and the vibrating screen 3030, oversize materials of the vibrating screen 3030 after processing enter the gravity sorting conveyor 3040 for sorting, obtained usable materials enter the household garbage fuel rod forming equipment set 4000 through the conveyor 3070, undersize materials of the vibrating screen 3030 enter the waste bin 3060 through the conveyor 3050, and therefore the small particle fine processing equipment set 3000 is formed.
After the domestic waste is finely processed, according to the processing sequence, the domestic waste is weighed by a weighing conveyor 4010 and conveyed to a stirrer 4020, the fuel auxiliaries 4110 are proportioned in the stirrer 4020 through a fuel auxiliary feeder 4100, then the fuel auxiliaries 4110 are added into the stirrer 4020 through the conveyor 4090, and then the domestic waste sequentially passes through a conveyor 4030, a semi-finished product warehouse 4040, a conveyor 4050, a fuel rod forming machine 4060, a conveyor 4070 and enters a finished product warehouse 4080, so that the domestic waste fuel rod forming equipment set 4000 is formed.
In order to form primary treatment, fine treatment and fuel rod forming of the household garbage and realize integrated layout of gas power generation, a gas power generation equipment group 5000 is also configured, namely the output end of the household garbage fuel rod forming equipment group 4000 is connected with the gas power generation equipment group 5000, fuel rods in a finished product warehouse 4080 can enter a gas rod gasification furnace 5020 through a conveyor 5010, and a gas pipeline of the fuel rod gasification furnace 5020 is connected to a gas power generation boiler of a gas generator set 5030, so that gas power generation is realized.
In order to improve the degree of automation of the domestic waste sorting, in the domestic waste primary treatment equipment group 1000, the domestic waste primary treatment platform 1020 adopts the structure shown in fig. 2. In the figure, a domestic garbage primary sorting platform 1020 comprises a rack 1020-100, belt conveyors 1020-200, waste removing devices 1020-400, image acquisition devices 1020-001, display devices 1020-002, controllers 1020-004 and isolation units 1020-003, wherein the belt conveyors 1020-200 are arranged on the rack 1020-100, the waste removing devices 1020-400 are arranged above the belt conveyors 1020-200, and the image acquisition devices 1020-001 are arranged above the waste removing devices 1020-400; the display device 1020-002 and the controller 1020-004 are arranged in the isolation unit 1020-003, and the image acquisition device 1020-001 is electrically connected with the display device 1020-002; a waste material removing device 1020-400 is provided with a removing head for removing waste materials; the waste material removing devices 1020-400 are electrically connected with the controllers 1020-004 through electric control elements, and the isolation units 1020-003 are separated from the surrounding environment of the household garbage to be treated.
Also, in the group 2000 for fine treatment of large granular materials of household garbage, the metal separator 2050 has the overall structure as shown in fig. 3, and the metal removing devices 2050 to 400 in the metal separator 2050 have the structure as shown in fig. 4. The metal sorting machine comprises a rack 2050-100 and a belt conveyor 2050-200 arranged on the rack 2050-100, wherein a metal detector 2050-300 and a metal removing device 2050-400 are arranged above the belt conveyor 2050-200, the metal detector 2050-300 and the metal removing device 2050-400 are respectively and fixedly connected with the rack 2050-100, the metal removing device 2050-400 is arranged behind the metal detector 2050-300 according to the garbage conveying direction of the belt conveyor 2050-200, a longitudinal moving mechanism 2050-401 is arranged on the metal removing device 2050-400, a vertical moving mechanism 2050-402 is arranged on the longitudinal moving mechanism, and a removing head 2050-403 for removing metals is arranged on the vertical moving mechanism 2050-402. When the detected metal moves to the position of the metal removing device 2050-400, the vertical moving mechanism 2050-402 moves downwards to be close to a conveyor belt of a belt conveyor, then the longitudinal moving mechanism 2050-401 moves forwards, the metal is removed through the removing head 2050-403 on the longitudinal moving mechanism 2050-401, and the removed metal falls into the bin 2050-600 through the chute 2050-101 on the rack 2050-100. Then, the vertical moving mechanisms 2050 to 402 retract, the longitudinal moving mechanisms 2050 to 401 retract, and the household garbage moving on the belt conveyors 2050 to 200 is bypassed and then returned to the initial position.
In this embodiment, the actuating elements of the longitudinal moving mechanism and the vertical moving mechanism may be air cylinders, hydraulic cylinders or electric push rods in the prior art to realize the functions of longitudinal movement and vertical movement, the electric control elements for controlling the air cylinders and the hydraulic cylinders may be electromagnetic valves, and the electric control elements for controlling the electric push rods may be motors. The vertical moving mechanism is provided with a removing head, the vertical moving mechanism can move downwards to enable the removing head to be close to a conveyor belt of the belt conveyor, and the vertical moving mechanism is arranged on the longitudinal moving mechanism, so that the vertical moving mechanism is driven to move together when the longitudinal moving mechanism moves, and removing action of the removing head is realized.
In this embodiment, the removal heads are connected to the vertical movement mechanism in an assembled configuration, specifically, the removal heads 2050-403 are connected to the vertical movement mechanism by extension plates 2050-404 and 90 ° angle irons 2050-405. As an improvement, in order to increase the rigidity of the removing head, guide plates 2050-406 are further arranged on the moving frame, and the extension plate and the guide plates are made into a guide structure in dovetail fit, so that the extension plate can slide up and down in a dovetail groove of the guide plates, the rigidity of the removing head is greatly improved, the removing head is very suitable for removing large objects, and the vibration of the removing head during working can be reduced. The specific configuration of the dovetail fit is shown in fig. 7.
It should be noted that, in this embodiment, the waste removing device used on the primary sorting platform of the domestic garbage may adopt the same structure as the removing device used in the metal sorting machine.
Example 2:
the process flow for treating the household garbage by adopting the household garbage treatment production line comprises the following steps:
step 1, conveying the primary domestic garbage to a primary domestic garbage sorting platform for manual sorting;
step 2, conveying the domestic garbage remained on the domestic garbage primary sorting platform after manual sorting to a crusher for crushing;
step 3, conveying the crushed household garbage into a roller screening machine for sorting, and screening the household garbage into oversize products of the large-particle roller screening machine and undersize products of the small-particle roller screening machine;
step 4, conveying oversize materials of the large-particle roller screening machine to a magnetic separator, separating ferrous metals, conveying to a crusher for secondary crushing, conveying to a metal separator for secondary separation, and separating out intermediate available materials;
step 5, conveying the intermediate available materials sorted by the metal sorting machine to a crusher for crushing, a magnetic separator for magnetic separation, and then conveying the intermediate available materials to a next-stage crusher for crushing to obtain available materials which can be used as fuel raw materials;
step 6, conveying undersize materials of the small-particle drum screening machine to a magnetic separator, separating ferrous metals, conveying to a vibrating screen, conveying the undersize materials to a storage bin, conveying oversize materials to a gravity separation conveyor for further separation, conveying the separated unusable materials to the storage bin, and taking the usable materials as raw materials for manufacturing fuel rods;
step 7, conveying the available materials to a stirrer through a weighing conveyer, proportioning the weight of the fuel auxiliaries to be added according to the weight of the available materials entering the stirrer by a feeder of the fuel auxiliaries, and conveying the fuel auxiliaries to the stirrer;
step 8, stirring and mixing the available materials and the fuel auxiliary agent by a stirrer to form a stirring mixture;
step 9, stirring the mixture and conveying the mixture to a semi-finished product warehouse;
step 10, stirring the mixture and sending the mixture to a fuel rod forming machine from a semi-finished product warehouse to press a fuel rod;
step 11, sending the fuel rods to a finished product warehouse;
and step 12, sending the fuel rods from the finished product warehouse to a fuel rod gasification furnace to generate combustible gas, and providing the combustible gas for a gas generator set to generate electricity.
In the process flow, the materials in the household garbage treatment can be conveyed by the conveyor.
In the process flow, the steps 1 to 3 are completed by a household garbage coarse-level treatment device group, the steps 4 to 6 are completed by a household garbage fine-treatment device group, the steps 7 to 11 are completed by household garbage fuel rod forming production equipment, and the step 12 is completed by a gas power generation device group.
Claims (10)
1. A household garbage treatment production line comprises a household garbage primary treatment equipment set, a household garbage fine treatment equipment set and a household garbage fuel rod forming equipment set; the discharge end of the household garbage primary treatment equipment set is connected with the feed end of the household garbage fine treatment equipment set, and the discharge end of the household garbage fine treatment equipment set is connected with the feed end of the household garbage fuel rod forming equipment set; domestic waste primary treatment equipment group includes that what connect gradually through the conveyer is used for carrying out the domestic waste elementary sorting platform of sorting, is used for carrying out broken breaker, the drum sieve extension that is used for the thing under the sieve of the drum sieve extension that is divided into big granule and the drum sieve extension of the granule of granule after sorting domestic waste, characterized by: the discharge end of the household garbage primary treatment equipment group comprises an oversize material discharge end of the drum screening machine and an undersize material discharge end of the drum screening machine, the household garbage fine treatment equipment group comprises a large particle fine treatment equipment group and a small particle fine treatment equipment group, the oversize material discharge end of the drum screening machine is directly connected with the feed end of the large particle fine treatment equipment group, the undersize material discharge end of the drum screening machine is directly connected with the feed end of the small particle fine treatment equipment group, at least two crushers are arranged in the large particle fine treatment equipment group, and a magnetic separator is arranged in front of each crusher according to the treatment flow of household garbage;
the household garbage primary sorting platform comprises a rack, a belt conveyor, a waste material removing device, an image acquisition device, a display device, a controller and an isolation unit, wherein the belt conveyor is arranged on the rack, the waste material removing device is arranged above the belt conveyor, and the image acquisition device is arranged above the waste material removing device; the display device and the controller are arranged in the isolation unit, and the image acquisition device is electrically connected with the display device; the waste material removing device is provided with a removing head for removing waste materials; the waste material removing device is electrically connected with the controller through an electric control element, and the isolation unit is separated from the surrounding environment of the household garbage to be treated; the waste material removing device is provided with a longitudinal moving mechanism, the longitudinal moving mechanism is provided with a vertical moving mechanism, and the vertical moving mechanism is provided with a removing head for removing waste materials; in the isolation unit, an operator synchronously sees the condition on the primary domestic garbage sorting platform through the image acquisition device and the display device, and performs manual operation through the controller to control the waste material removing device on the primary domestic garbage sorting platform and remove waste materials required to be removed.
2. The domestic waste treatment line of claim 1, wherein: the removing head is connected to the vertical moving mechanism by adopting an assembled structure, and is specifically connected to the vertical moving mechanism through an extension plate and a 90-degree angle iron; the movable frame is provided with a guide plate, and the extension plate and the guide plate are made into a dovetail-matched guide structure, so that the extension plate can slide up and down in a dovetail groove of the guide plate.
3. The domestic waste treatment line of claim 1, wherein: the fine household garbage treatment equipment group is also provided with a metal separator for separating metal materials including stainless steel.
4. The domestic waste treatment line of claim 3, wherein: the metal sorting machine comprises a rack and a belt conveyor arranged on the rack, a metal detector and a metal removing device are arranged above the belt conveyor, the metal detector and the metal removing device are respectively fixedly connected with the rack, the metal removing device is arranged behind the metal detector according to the garbage conveying direction of the belt conveyor, a longitudinal moving mechanism is arranged on the metal removing device, a vertical moving mechanism is arranged on the longitudinal moving mechanism, and a removing head used for removing metal is arranged on the vertical moving mechanism.
5. The domestic waste treatment line of claim 1, wherein: the fine processing equipment group of small particles comprises a vibrating screen and a gravity separation conveyor, wherein the vibrating screen is provided with an oversize material discharge end and an undersize material discharge end, the oversize material discharge end of the vibrating screen is connected with the gravity separation conveyor, and the undersize material discharge end of the vibrating screen is connected with a waste bin through the conveyor.
6. The domestic waste treatment line of claim 5, wherein: the gravity separation conveyor is a belt conveyor, and a conveyor belt plane of the belt conveyor is arranged in the conveying direction of the conveyor belt in an inclined manner with the horizontal plane, and the inclination angle of the conveyor belt plane is 19-28 degrees.
7. The domestic waste treatment line of claim 1, wherein: still include gas power generation equipment group, gas power generation equipment group includes gas generating set, fuel rod gasifier, the discharge end of domestic waste fuel rod former group is connected with the feed end of fuel rod gasifier, the gas pipeline of fuel rod gasifier is connected to gas generating set's gas power boiler.
8. The domestic waste treatment line of claim 7, wherein: the household garbage fuel rod forming equipment set comprises a belt weighing conveyor for weighing household garbage, a feeder for adding a fuel auxiliary agent for the fuel auxiliary agent into the household garbage, a stirrer for fully mixing the household garbage and the fuel auxiliary agent and a fuel rod forming machine for manufacturing a stirred household garbage mixture into fuel rods; and a finished product warehouse is arranged at the discharge end of the household garbage fuel rod forming equipment set, the fuel rod forming machine is connected with the finished product warehouse through a conveyor, and the finished product warehouse is connected with a fuel rod gasification furnace in the fuel gas power generation equipment set through the conveyor.
9. The domestic waste treatment process of the domestic waste treatment line according to any one of claims 1 to 8, comprising the steps of:
step 1, conveying the primary domestic garbage to a primary domestic garbage sorting platform for manual sorting;
step 2, conveying the domestic garbage remained on the domestic garbage primary sorting platform after manual sorting to a crusher for crushing;
step 3, conveying the crushed household garbage into a roller screening machine for sorting, and screening the household garbage into oversize products of the large-particle roller screening machine and undersize products of the small-particle roller screening machine;
step 4, conveying oversize materials of the large-particle roller screening machine to a magnetic separator, separating ferrous metals, conveying to a crusher for secondary crushing, conveying to a metal separator for secondary separation, and separating out intermediate available materials;
step 5, conveying the intermediate usable materials sorted by the metal sorting machine to a crusher for crushing and a magnetic separator for magnetic separation in sequence, and then conveying the intermediate usable materials to a next-stage crusher for crushing to obtain usable materials which can be used as fuel raw materials;
step 6, conveying undersize materials of the small-particle drum screening machine to a magnetic separator, separating iron-containing metals, conveying to a vibrating screen, conveying the undersize materials to a storage bin, conveying oversize materials to a gravity separation conveyor for further separation, conveying the separated unusable materials to the storage bin, and using the usable materials as raw materials for manufacturing fuel rods;
step 7, conveying the available materials to a stirrer through a weighing conveyer, proportioning the weight of the fuel auxiliaries to be added according to the weight of the available materials entering the stirrer by a feeder of the fuel auxiliaries, and conveying the fuel auxiliaries to the stirrer;
step 8, stirring and mixing the available materials and the fuel auxiliary agent by a stirrer to form a stirring mixture;
step 9, stirring the mixture and conveying the mixture to a semi-finished product warehouse;
step 10, stirring the mixture and sending the mixture to a fuel rod forming machine from a semi-finished product warehouse to press a fuel rod;
step 11, sending the fuel rods to a finished product warehouse;
and step 12, sending the fuel rods from the finished product warehouse to a fuel rod gasification furnace to generate combustible gas, and providing the combustible gas for a gas generator set to generate electricity.
10. The domestic waste treatment process of the domestic waste treatment production line according to claim 9, wherein: the manual sorting operation in the step 1 is to remove the waste materials through a waste material removing device arranged on a primary platform of the household garbage in an isolation unit isolated from the surrounding environment of the household garbage; the waste material removing device is provided with a longitudinal moving mechanism, the longitudinal moving mechanism is provided with a vertical moving mechanism, and the vertical moving mechanism is provided with a removing head for removing waste materials; in the isolation unit, an operator synchronously sees the condition of the domestic garbage primary sorting platform through the image acquisition device and the display device, and manually operates the controller to control the waste material removing device on the domestic garbage primary sorting platform and remove the waste materials to be removed.
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| CN107685068B (en) * | 2017-10-10 | 2024-02-20 | 天津百利阳光环保设备有限公司 | Sorting equipment and process method for municipal solid waste before incineration treatment |
| CN108355835A (en) * | 2018-02-11 | 2018-08-03 | 河南理工大学 | A kind of integrated machine for sorting domestic garbage |
| CN111097590A (en) * | 2018-10-26 | 2020-05-05 | 上海都协自动化科技有限公司 | Hydraulic crusher control system and hydraulic crusher system |
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| JP3580098B2 (en) * | 1997-09-11 | 2004-10-20 | Ｊｆｅエンジニアリング株式会社 | Fuel production method from waste |
| CN1369332A (en) * | 2001-02-16 | 2002-09-18 | 中国兵器工业第五五研究所 | Process for innoxious treating of life garbage in urban area |
| CN202270655U (en) * | 2011-10-10 | 2012-06-13 | 李佳臻 | Ejecting type gravitational sorting machine |
| CN103008326B (en) * | 2012-11-27 | 2015-04-22 | 中国环境科学研究院 | Method for comprehensive treatment of household refuses and secondary pollution control |
| CN104174629A (en) * | 2013-05-23 | 2014-12-03 | 上海凡清环境工程有限公司 | Comprehensive treatment and utilization device for domestic waste |
| CN104445779A (en) * | 2014-11-27 | 2015-03-25 | 孔繁正 | Ecological environment comprehensive treatment device |
| CN106466672A (en) * | 2015-08-14 | 2017-03-01 | 天津格罗普斯新能源科技有限公司 | A kind of urban and rural domestic refuse handling process |
| CN205570806U (en) * | 2016-03-15 | 2016-09-14 | 张炽广 | Domestic waste gravity sorting unit with adjustable inclination |
| CN205770036U (en) * | 2016-05-26 | 2016-12-07 | 天津格兰瑞科技有限公司 | A kind of Marine garbage collection ship |
| CN205966726U (en) * | 2016-06-29 | 2017-02-22 | 福建正仁环保有限公司 | Living beings preparation RDF 5 no fume emission gas electricity generation system of pyrolysis gasification |
| CN206898047U (en) * | 2017-04-18 | 2018-01-19 | 江阴市广福机械有限公司 | A kind of domestic rubbish disposal production line |
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