CN108626725B - Energy-saving environment-friendly garbage disposal system - Google Patents

Energy-saving environment-friendly garbage disposal system Download PDF

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Publication number
CN108626725B
CN108626725B CN201810556164.0A CN201810556164A CN108626725B CN 108626725 B CN108626725 B CN 108626725B CN 201810556164 A CN201810556164 A CN 201810556164A CN 108626725 B CN108626725 B CN 108626725B
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China
Prior art keywords
pyrolysis furnace
chamber
air
outlet
combustion chamber
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CN201810556164.0A
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Chinese (zh)
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CN108626725A (en
Inventor
吕小仁
冯军
李�昊
肖潇
陈礼全
陆海佳
梁全钢
蒋济世
冯莉
江桂明
韦争白
黄燕
李玥珂
何华芳
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Guangxi Changrun Environment Engineering Co ltd
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Guangxi Changrun Environment Engineering Co ltd
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/442—Waste feed arrangements
    • F23G5/444—Waste feed arrangements for solid waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44—Details; Accessories
    • F23G5/46—Recuperation of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/027—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using cyclone separators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00—Waste heat recuperation
    • F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/10—Arrangement of sensing devices
    • F23G2207/101—Arrangement of sensing devices for temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00—Special features of, or arrangements for incinerators
    • F23G2900/00001—Exhaust gas recirculation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

The invention belongs to the technical field of garbage treatment equipment, and particularly provides an energy-saving and environment-friendly garbage treatment system, which comprises a feeding mechanism, a pyrolysis furnace, a dust removing device and a secondary combustion chamber which are sequentially connected, wherein the top of the pyrolysis furnace is provided with a feeding hole, the bottom of the pyrolysis furnace is provided with an ash outlet, the lower part of a furnace body and the upper part of the ash outlet are also provided with a partition plate, the partition plate is hinged with a pyrolysis furnace body, a plurality of blast pipes are uniformly distributed in the furnace body above the partition plate at intervals, air outlet holes are arranged on the blast pipes at intervals, and one end of each blast pipe extends to the outside of the pyrolysis furnace body and is converged in a total blast pipe; the second combustion chamber is divided into a first chamber and a second chamber by a longitudinal retaining wall, one side of the first chamber is provided with a smoke inlet, the top of the second chamber is provided with a smoke outlet, and the lower part of the longitudinal retaining wall is provided with a smoke port; the total air pipe is connected with a smoke outlet of the secondary combustion chamber and is also connected with the fan. The high-temperature gas exhausted from the secondary combustion chamber is conveyed into the pyrolysis furnace through the fan, so that required oxygen and energy are provided for pyrolysis of the garbage, meanwhile, the garbage can be blown loose, and the garbage treatment efficiency is improved.

Description

Energy-saving environment-friendly garbage disposal system
Technical Field
The invention belongs to the technical field of garbage disposal equipment, and particularly provides an energy-saving and environment-friendly garbage disposal system.
Background
Domestic garbage in rural areas and other areas is generally subjected to pyrolysis treatment, wherein smoothness of a feeding process, dryness of garbage, air supply of a pyrolysis furnace and the like are key factors influencing garbage treatment efficiency. The current domestic waste's loading mode that uses has: belt conveying, bucket lifting feeding, shaft spiral conveying, shaftless spiral conveying and the like. The problems of feeding blockage cannot be solved in the modes of belt conveying, shaft screw conveying and the like, and the problem of smoke leakage in the feeding process cannot be solved in the bucket feeding process. Secondly, current rubbish feed arrangement only possesses the charge-in function, does not possess the rubbish drying function, and the direct transport of rubbish is carried in the pyrolysis oven and is carried out pyrolysis treatment, if meet rainy day or when rubbish moisture content is great, the treatment effeciency of pyrolysis oven can greatly reduced. On the other hand, the existing garbage pyrolysis furnace generally only supplies air around and has no air supply system, and common air is supplied, so that the temperature is low, and the problems of insufficient air supply, uneven air supply, insufficient heat, too tight garbage pressure and the like exist in the pyrolysis process. In addition, the flue gas exhausted from the secondary combustion chamber contains higher heat, and if the flue gas is directly exhausted, the waste of resources can be caused.
Disclosure of Invention
The invention aims to overcome the defects and provide an energy-saving and environment-friendly garbage disposal system.
The technical scheme of the invention is as follows: the device comprises a feeding mechanism, a pyrolysis furnace and a secondary combustion chamber, wherein a feed inlet is arranged at the top of the pyrolysis furnace, an ash outlet is arranged at the bottom of the pyrolysis furnace, a partition plate is further arranged at the lower part of the furnace body and above the ash outlet, the partition plate is hinged with a pyrolysis furnace body, a plurality of blast pipes are uniformly distributed in the furnace body above the partition plate at intervals, air outlet holes are arranged at intervals on the blast pipes, one end of each blast pipe extends to the outside of the pyrolysis furnace body and is converged in a total air pipe, and an exhaust port is further arranged on the side wall of the pyrolysis furnace body above the blast pipe; the secondary combustion chamber is divided into a first chamber and a second chamber by a longitudinal retaining wall, a smoke inlet is formed in one side of the first chamber, a smoke outlet is formed in the top of the second chamber, and a smoke port is formed in the lower portion of the longitudinal retaining wall; a dust removing device is arranged between the pyrolysis furnace and the secondary combustion chamber, the air inlet end of the dust removing device is connected with the air outlet of the pyrolysis furnace, and the air outlet end of the dust removing device is connected with the flue gas inlet of the secondary combustion chamber; the main air pipe is connected with a smoke outlet of the secondary combustion chamber and is also connected with a fan, and the fan is connected with a speed reducer, a motor and a frequency converter.
The high-temperature gas exhausted by the secondary combustion chamber is continuously conveyed into the pyrolysis furnace through the fan, so that oxygen required by pyrolysis of the garbage is provided for the pyrolysis furnace, the pyrolysis amount can be provided, the garbage can be blown loose, and the treatment efficiency of the garbage is greatly improved; meanwhile, the high-temperature gas in the secondary combustion chamber is conveyed back to the pyrolysis furnace for further treatment, so that the generation of dioxin and tar can be effectively inhibited, and the effects of energy conservation and environmental protection are achieved.
Further, the feeding mechanism comprises a transversely arranged drying cylinder, an opening end of one end of the drying cylinder is sealed, a feeding port is formed in a cylinder wall above the opening end of the drying cylinder, a discharging port is formed in a cylinder wall below the sealing end of the drying cylinder, a pushing plug of a hollow structure is arranged in the drying cylinder, an air inlet is formed in the front end of the pushing plug, an air outlet is formed in the rear end of the pushing plug, the air inlet is connected with an air inlet pipe penetrating through the sealing end of the drying cylinder, and the rear end of the pushing plug is connected with a hydraulic pushing system; the periphery of the drying cylinder is also provided with a circle of hollow heat-insulating layer, one end of the hollow heat-insulating layer is provided with a high-temperature gas inlet, and the other end of the hollow heat-insulating layer is provided with a high-temperature gas outlet; the air inlet pipe and the high-temperature gas inlet are connected with the fan through a branch air pipe, and the branch air pipe is provided with an adjusting valve.
The device utilizes the high-temperature gas of the secondary combustion chamber to dry the garbage and then feed the garbage pyrolysis furnace, and the high-temperature gas is introduced into the outer side and the inner side of the drying cylinder, so that the drying efficiency and the treatment efficiency of the garbage in the pyrolysis furnace are improved. The feeding operation is convenient, the continuous feeding can be realized, and the blockage is not easy to happen.
Further, a temperature detector is also arranged in the drying cylinder; the hydraulic pushing system comprises a hydraulic push rod and a controller, and the temperature detector is connected with the controller. After the garbage is dried, the temperature detector transmits a signal to the controller, and the controller starts the hydraulic push rod to push the dried garbage to the discharge port and enter the feed port of the pyrolysis furnace. After the pushing is completed, the hydraulic push rod returns to the original place. Waiting for the next round of garbage feeding, drying and discharging. The device has high automation degree, is not easy to be blocked, and can improve the garbage treatment efficiency.
Further, the air outlet holes are symmetrically arranged on two sides of the air supply pipe and are obliquely upwards arranged.
Further, the dust collector includes the cavity dust collector, and dust collector lower part is the form of falling round platform, and dust collector one side upper portion is the end of admitting air, and the dust collector top is the end of giving vent to anger, is equipped with the cavity filter chamber in the dust collector, and the filter chamber lower part is equipped with shutter, top and gives vent to anger the end and link to each other.
The flue gas that pyrolysis oven produced runs into from the inlet end of dust removal body and runs into the filter chamber outer wall, and the first time is buckled downwards, accomplishes first dust removal, and the flue gas gets into the filter chamber through the shutter, further removes dust. The lower part of the dust body is in an inverted round table shape, which is easy to generate whirlwind and is beneficial to dust removal.
Furthermore, a high-pressure atomizing nozzle is also arranged in the filter cavity. The high-pressure atomizing spray heads are arranged in multiple layers and are obliquely downwards arranged. Atomized gas sprayed by the high-pressure atomization spray nozzle collides with high-temperature flue gas generated by the pyrolysis furnace relatively and fully contacts with dust in the high-temperature flue gas, so that the effect of dedusting and tar removal is achieved, and the dedusting effect is more than 90%.
The invention has the advantages that: 1. the high-temperature gas exhausted by the secondary combustion chamber is continuously conveyed into the pyrolysis furnace through the fan, so that oxygen required by pyrolysis of the garbage is provided for the pyrolysis furnace, the pyrolysis amount can be provided, the garbage can be blown loose, and the treatment efficiency of the garbage is greatly improved; meanwhile, the high-temperature gas in the secondary combustion chamber is conveyed back to the pyrolysis furnace for further treatment, so that the generation of dioxin and tar can be effectively inhibited, and the effects of energy conservation and environmental protection are achieved.
2. The device utilizes the high-temperature gas of the secondary combustion chamber to dry the garbage and then feed the garbage pyrolysis furnace, and the high-temperature gas is introduced into the outer side and the inner side of the drying cylinder, so that the drying efficiency and the treatment efficiency of the garbage in the pyrolysis furnace are improved. The feeding operation is convenient, the continuous feeding can be realized, and the blockage is not easy to happen.
3. This dust collector passes through institutional advancement, effectively combines cyclone, tripe dust removal, atomizing dust removal etc. can effectively detach the dust in the high temperature gas, substances such as tar, and effectual suppression dioxin generates simultaneously, and the dust removal effect reaches more than 90%, has very high practical value.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the feeding mechanism.
Fig. 3 is a schematic structural view of the dust removing device.
The reference numerals in the drawings are: the device comprises a 1-feeding mechanism, a 2-pyrolysis furnace, a 3-dust removing device, a 4-secondary combustion chamber, a 5-feeding port, a 6-ash outlet, a 7-partition plate, an 8-blast pipe, a 9-air outlet, a 10-main blast pipe, an 11-exhaust port, a 12-spiral shaft, a 13-retaining wall, a 14-first chamber, a 15-second chamber, a 16-flue gas inlet, a 17-flue gas outlet, a 18-flue gas inlet, a 19-air inlet end, a 20-air outlet end, a 21-fan, a 22-speed reducer, a 23-motor, a 24-frequency converter, a 25-drying cylinder, a 26-feeding port, a 27-discharge port, a 28-pushing plug, a 29-air inlet, a 30-air outlet, a 31-high temperature gas inlet, a 32-high temperature gas outlet, a 33-insulation layer, a 34-air inlet pipe, a 35-branch blast pipe, a 36-regulating valve, a 37-temperature detector, a 38-hydraulic push rod, a 39-controller, a 40-dust removing body, a 41-filtering cavity and a 42-high-pressure spray nozzle.
Detailed Description
The invention will be further illustrated with reference to specific examples.
As shown in figures 1-3, the energy-saving and environment-friendly garbage disposal system comprises a feeding mechanism 1, a pyrolysis furnace 2, a dust removing device 3 and a secondary combustion chamber 4 which are connected in sequence. The top of the pyrolysis furnace 2 is provided with a feed inlet 5, the bottom of the pyrolysis furnace is provided with an ash outlet 6, a plurality of baffle plates 7 are further arranged on the lower part of the furnace body and above the ash outlet 6, and the baffle plates 7 are hinged with the pyrolysis furnace 2 body. When the partition plate 7 is horizontally placed, the pyrolysis furnace 2 is just partitioned into an upper furnace body and a lower furnace body, the upper furnace body is used for pyrolysis of garbage, and the lower furnace body is used for accommodating garbage ash. The separation plates 7 are rotated, gaps are leaked between two adjacent separation plates 7, and the waste ash pyrolyzed in the upper furnace body can be discharged to the lower furnace body and discharged from the ash outlet 6. A plurality of blast pipes 8 are uniformly distributed in the furnace body above the partition plate 7 at intervals, air outlet holes 9 are arranged on the blast pipes 8at intervals, and the air outlet holes 9 are symmetrically arranged on two sides of the blast pipes 8 and are obliquely upwards arranged. One end of the blast pipe 8 extends to the outside of the furnace body of the pyrolysis furnace 2 and is converged in the total blast pipe 10, and an exhaust port 11 is also arranged on the side wall of the pyrolysis furnace 2 body above the blast pipe 8. The ash outlet 6 is provided with a screw shaft 12 which is transversely arranged, one end of the screw shaft 12 is arranged in the pyrolysis furnace 2, and the other end of the screw shaft is arranged outside the pyrolysis furnace 2. The ash can be continuously discharged.
The secondary combustion chamber 4 is divided into a first chamber 14 and a second chamber 15 by a longitudinal retaining wall 13, one side of the first chamber 14 is provided with a smoke inlet 16, the top of the second chamber is provided with a smoke outlet 17, and the lower part of the longitudinal retaining wall 13 is provided with a smoke port 18; a dust removing device 3 is further arranged between the pyrolysis furnace 2 and the secondary combustion chamber 4, an air inlet end 19 of the dust removing device 3 is connected with an air outlet 11 of the pyrolysis furnace 2, and an air outlet end 20 of the dust removing device 3 is connected with a flue gas inlet of the secondary combustion chamber 4. The main air pipe 10 is connected with the flue gas outlet 17 of the secondary combustion chamber 4, the main air pipe 10 is also connected with the fan 21, and the fan 21 is connected with the speed reducer 22, the motor 23 and the frequency converter 24.
As shown in fig. 2, the feeding mechanism 1 is disposed above the pyrolysis furnace 2 and includes a drying drum 25 disposed transversely. The front end of the material pushing plug 28 is provided with an air inlet 29, the rear end of the material pushing plug 28 is provided with an air outlet 30, the air inlet 29 is connected with an air inlet pipe 34 penetrating through the sealed end of the drying cylinder 25, and the rear end of the material pushing plug 28 is connected with a hydraulic material pushing system; the periphery of the drying cylinder 25 is also provided with a circle of hollow heat preservation layer 33, one end of the hollow heat preservation layer 33 is provided with a high-temperature gas inlet 31, and the other end is provided with a high-temperature gas outlet 32. The air inlet pipe 34 and the high-temperature gas inlet 31 are connected with the fan 21 through a branch air pipe 35, and an adjusting valve 36 is arranged on the branch air pipe 35. A temperature detector 37 is also provided in the drying cylinder 25. The hydraulic pushing system comprises a hydraulic push rod 38 and a controller 39, and the temperature detector 37 is connected with the controller 39.
As shown in fig. 3, the dust removing device 3 includes a hollow dust removing body 40, the lower part of the dust removing body 40 is in a shape of an inverted truncated cone, the upper part of one side of the dust removing body 40 is an air inlet end, the top of the dust removing body 40 is an air outlet end 19, a hollow filter cavity 41 is arranged in the dust removing body 40, the lower part of the filter cavity 41 is in a shutter structure, and the top of the filter cavity is connected with the air outlet end 20. The filter cavity 41 is also provided with a high-pressure atomizing nozzle 42. The high pressure atomizer 42 is provided in multiple layers and is disposed obliquely downward.
When in use, garbage is filled into the feeding opening 26, and high-temperature gas generated by the secondary combustion chamber 4 is introduced into the air inlet pipe 34 and the high-temperature gas inlet 31 of the hollow heat preservation layer 33 to be used for drying the garbage in the drying cylinder 25. High-temperature gas is introduced into the outer side and the inner side of the drying cylinder 25, so that the drying efficiency is improved. After the garbage is dried, the temperature detector 37 transmits a signal to the controller 39, and the controller 39 starts the hydraulic push rod 38 to push the dried garbage to the discharge hole 27 and enter the pyrolysis furnace 2 through the feed hole 5 of the pyrolysis furnace 2. During the pyrolysis of the garbage, the high-temperature gas in the secondary combustion chamber 4 is uniformly conveyed into the pyrolysis furnace 2 through the fan 21, so that oxygen required by the pyrolysis of the garbage can be provided for the garbage in the pyrolysis furnace 2, a certain amount of heat can be provided, the garbage can be blown loose, and the pyrolysis efficiency of the garbage is greatly improved. After pyrolysis treatment of the waste, the partition 7 is rotated, and the waste ash is discharged to an ash outlet 6 below the partition 7 and is discharged through a screw shaft 12. The gas generated by pyrolysis of the garbage enters from the air inlet end 19 of the dust removing body 40 and then hits the outer wall of the filter cavity, bends downwards for the first time, completes the first dust removal, and the flue gas enters the filter cavity through the louver to further remove dust. Meanwhile, atomized gas sprayed out of the multi-layer high-pressure atomization nozzle 42 collides with high-temperature flue gas generated by the pyrolysis furnace 2 relatively and fully contacts with dust in the high-temperature flue gas, so that the effects of dust removal and tar removal are achieved. The lower part of the dust removing body 40 is in an inverted truncated cone shape, so that cyclone is easy to generate, and dust removal is facilitated. The dust collector 3 effectively combines cyclone dust collection, shutter dust collection, atomization dust collection and the like, can effectively remove dust, tar and other substances in high-temperature gas, and can effectively inhibit the generation of dioxin, and the dust collection effect reaches more than 90%. The gas after dust removal enters the secondary combustion chamber 4 for full combustion, and the discharged high-temperature gas is used for drying and pyrolysis of garbage.
The whole process is convenient to operate, free of blockage and good in sealing performance, fully utilizes heat generated by pyrolysis of garbage, effectively inhibits generation of dioxin and tar, improves the garbage treatment capacity by 35%, and has good practical value. The system is particularly suitable for the treatment of moist waste.
It is to be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. Further, it is understood that various modifications and alterations of the present application may be made by those skilled in the art after reading the teachings of the present application, and that such equivalents fall within the scope of the application as defined in the appended claims.

Claims (4)

1. The utility model provides an energy-concerving and environment-protective refuse treatment system, includes feed mechanism, pyrolysis oven and two combustion chambers, its characterized in that: the top of the pyrolysis furnace is provided with a feed inlet, the bottom of the pyrolysis furnace is provided with an ash outlet, the lower part of the furnace body and the upper part of the ash outlet are also provided with a partition plate, the partition plate is hinged with the pyrolysis furnace body, a plurality of blast pipes are uniformly distributed in the furnace body above the partition plate at intervals, the blast pipes are provided with air outlet holes at intervals, one end of each blast pipe extends to the outside of the pyrolysis furnace body and is converged in the main air pipe, and the side wall of the pyrolysis furnace body above the blast pipe is also provided with an air outlet; the secondary combustion chamber is divided into a first chamber and a second chamber by a longitudinal retaining wall, a smoke inlet is formed in one side of the first chamber, a smoke outlet is formed in the top of the second chamber, and a smoke port is formed in the lower portion of the longitudinal retaining wall; a dust removing device is arranged between the pyrolysis furnace and the secondary combustion chamber, the air inlet end of the dust removing device is connected with the air outlet of the pyrolysis furnace, and the air outlet end of the dust removing device is connected with the flue gas inlet of the secondary combustion chamber; the main air pipe is connected with a smoke outlet of the secondary combustion chamber, the main air pipe is also connected with a fan, and the fan is connected with a speed reducer, a motor and a frequency converter; the air outlet holes are symmetrically arranged on two sides of the air supply pipe and are obliquely upwards arranged; the dust collector comprises a hollow dust collector, wherein the lower part of the dust collector is in the shape of an inverted truncated cone, the upper part of one side of the dust collector is an air inlet end, the top of the dust collector is an air outlet end, a hollow filter cavity is arranged in the dust collector, and the lower part of the filter cavity is in a shutter structure, and the top of the filter cavity is connected with the air outlet end.
2. The energy efficient and environmentally friendly waste treatment system according to claim 1, wherein: the feeding mechanism comprises a transversely arranged drying cylinder, an opening at one end of the drying cylinder is sealed, a feeding port is formed in the cylinder wall above the opening end of the drying cylinder, a discharging port is formed in the cylinder wall below the sealing end of the drying cylinder, a pushing plug of a hollow structure is arranged in the drying cylinder, an air inlet is formed in the front end of the pushing plug, an air outlet is formed in the rear end of the pushing plug, the air inlet is connected with an air inlet pipe penetrating through the sealing end of the drying cylinder, and the rear end of the pushing plug is connected with a hydraulic pushing system; the periphery of the drying cylinder is also provided with a circle of hollow heat-insulating layer, one end of the hollow heat-insulating layer is provided with a high-temperature gas inlet, and the other end of the hollow heat-insulating layer is provided with a high-temperature gas outlet; the air inlet pipe and the high-temperature gas inlet are connected with the fan through a branch air pipe, and the branch air pipe is provided with an adjusting valve.
3. The energy efficient and environmentally friendly waste treatment system according to claim 2, wherein: a temperature detector is also arranged in the drying cylinder; the hydraulic pushing system comprises a hydraulic push rod and a controller, and the temperature detector is connected with the controller.
4. The energy efficient and environmentally friendly waste treatment system according to claim 1, wherein: and a high-pressure atomizing nozzle is also arranged in the filter cavity.
CN201810556164.0A 2018-06-01 2018-06-01 Energy-saving environment-friendly garbage disposal system Active CN108626725B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810556164.0A CN108626725B (en) 2018-06-01 2018-06-01 Energy-saving environment-friendly garbage disposal system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810556164.0A CN108626725B (en) 2018-06-01 2018-06-01 Energy-saving environment-friendly garbage disposal system

Publications (2)

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