CN205443186U - Garbage pyrolytic device - Google Patents
Garbage pyrolytic device Download PDFInfo
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- CN205443186U CN205443186U CN201520901235.8U CN201520901235U CN205443186U CN 205443186 U CN205443186 U CN 205443186U CN 201520901235 U CN201520901235 U CN 201520901235U CN 205443186 U CN205443186 U CN 205443186U
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- 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
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Abstract
The utility model provides a garbage pyrolytic device, but the device includes garbage pyrolytic system, water steam condensate system, carbon residue collecting system gas combustion stove, waste heat utilization system, vent gas treatment system in. The garbage pyrolytic system includes the three fixed bed pyrolytic reaction of group wares, is in work phase such as row material and feeding, drying, pyrolysis respectively. At first letting in a large amount of hot -airs after the feeding is accomplished and accomplishing the drying, the steam gets into water steam condensate system, let in proper amount hot -air afterwards and accomplish the pyrolysis, but pyrolysis gas gets into the gas combustion stove, the carbon residue gets into the carbon residue collecting system, the waste heat utilization system utilizes the heat heating cold air of flue gas, and the hot -air is used for the drying and the pyrolysis of rubbish, tail gas gets into vent gas treatment system in. Utilize above -mentioned device to carry out garbage pyrolytic, can effectively avoid harmful substance formations and emission such as dioxin, realize the innocent treatment of rubbish, the drying and the pyrolysis of rubbish are accomplished to the heat that utilizes the pyrolysis gas firing to produce simultaneously, realize the self -heating pyrolytic process of rubbish basically.
Description
Technical field
This utility model belongs to rubbish processing to be harmless field, is specifically related to a kind of refuse pyrolysis plant.
Background technology
Along with rapid development of economy, improving constantly of living standards of the people, the yield of domestic waste grows with each passing day.The domestic waste overflowed has become serious social problem, has not only threatened safety and the existence of resident self, and has brought serious environmental pollution.House refuse is carried out innoxious and recycling treatment and has become the major issue that municipal administration is urgently to be resolved hurrily.
The composition of domestic waste is especially complex, mainly include that kitchen is remaining, waste paper, waste plastics, useless fabric, vegetation, scrap rubber, old metal, cullet potsherd, brick and tile dregs etc..The processing mode of present stage municipal refuse mainly landfill, next to that compost, burn and be pyrolyzed.Landfill, as a kind of simplest processing method, has simple to operate, the advantage of wide adaptability, but there is a large amount of appropriation of land resource, causes secondary pollution problems.Compost treatment is to utilize microorganism that labile organic compound in rubbish is converted into stable humus as fertilizer, but the harmful substances such as Organic substance and heavy metal such as the chlorine contained in rubbish, benzene were also difficult to solve in present stage, there is certain risk when Crop fertilizer.Directly burning method can destroy the pathogenic bacteria in rubbish and is used by the energy in rubbish, but easily produces SOx、NOx, HCl, two English, the pollutant such as polycyclic aromatic hydrocarbon, thus cause secondary pollution.
In recent years, the pyrolysis processing of rubbish obtains increasing concern.Use pyrolytic technique to process domestic waste, have that technical process is short, adaptability to raw material strong, be swift in response, conversion ratio is high, do not produce the poisonous and harmful substances such as two English, simultaneously the plurality of advantages such as coproduction solid, liquid or gaseous fuel.Pyrolysis installation with biomass, coal etc. as raw material and technology, existing multiple different kind and more maturation.But, these pyrolysis installation majorities are difficult to be applicable to garbage raw material.This is to be caused by the rubbish feature of China, and the rubbish majority of current China is raw refuse, through sorting, typically has the disadvantages that 1, the moisture of rubbish is big and fluctuation range big, is easily affected by many factors such as weather, season, cities；2, the component of rubbish is extremely complex and fluctuation range big, is easily affected by the factor such as season, city；3, containing pollution elements such as substantial amounts of Cl in rubbish, processing procedure easily causes secondary pollution；4, pyrolytic process is an endothermic process, needs to provide heat to pyrolysis reactor continuously, easily causes the too high problem of energy consumption.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that the device of a kind of refuse pyrolysis.
The technical scheme that refuse pyrolysis plant described in the utility model uses is:
A kind of refuse pyrolysis plant, including refuse pyrolysis system, water vapour condenser system, carbon residue collection system, combustible gas combustion furnace, bootstrap system, exhaust treatment system:
The described carrier gas inlet of refuse pyrolysis system is connected with the hot air outlet of bootstrap system；The steam outlet of refuse pyrolysis system is connected with the entrance of water vapour condenser system, and the solid outlet of refuse pyrolysis system is connected with the carbon residue entrance of carbon residue collection system, and the pyrolysis gas outlet of refuse pyrolysis system is connected with the entrance of combustible gas combustion furnace；The exhanst gas outlet of combustible gas combustion furnace is connected with bootstrap system smoke inlet；The offgas outlet of bootstrap system is connected with the entrance of exhaust treatment system, and the hot air outlet of bootstrap system is connected with the hot air inlet of refuse pyrolysis system；
Described refuse pyrolysis system includes multiple fixed-bed pyrolysis reactor；The plurality of fixed-bed pyrolysis structure of reactor is identical and level is in parallel, is followed successively by the first fixed-bed pyrolysis reactor, the second fixed-bed pyrolysis reactor ..., N fixed-bed pyrolysis reactor from left to right, and N is the integer more than 2；The plurality of fixed-bed pyrolysis reactor be arranged on carbon residue collection system top and airtight be connected, the upper furnace of each fixed-bed pyrolysis reactor arranges gas outlet, connect water vapour condenser system and the inlet pipeline of combustible gas combustion furnace respectively, gases exit line is respectively configured steam outlet valve and pyrolysis gas outlet valve controls gas and enters water vapour condenser system or combustible gas combustion furnace.
Preferably, the fixed-bed pyrolysis reactor baking temperature in described refuse pyrolysis system is 100-200 DEG C, and pyrolysis temperature is 300-500 DEG C.
Preferably, described water vapour condenser system is tube-in-tube condenser or shell and tube condenser.
Preferably, air heat exchanger and water-to-water heat exchanger it are disposed with in described bootstrap system: the hot air outlet temperature of described air heat exchanger is 110-200 DEG C.
Each fixed-bed pyrolysis reactor described is respectively configured a hopper, feed system, upper top cover, lighter, burner hearth body, air supplying ring and lower bottom cover；The outlet of hopper is connected with the entrance of feed system, the outlet of feed system correspond to the burner hearth entrance of fixed-bed pyrolysis reactor, upper top cover and lower top cover lay respectively at the top and bottom of burner hearth, it is automatic opener, lighter is positioned at the top of burner hearth, air supplying ring is positioned at the bottom of burner hearth, its whole height is the 1/4-1/3 of furnace height, air intake space is formed between inwall and the outer wall of burner hearth of air supplying ring, on the wall of the burner hearth corresponding to air supplying ring inwall, open multiple air intake osculum, the diameter of air intake osculum is gradually reduced from bottom to up, air inlet is offered in the bottom of air supplying ring, and configure the supply of hot-air inlets valve control hot-air, hot-air is tangentially into air supplying ring.
Preferably, described feed system is bucket elevator.
Described carbon residue collection system includes steel crawler belt, power transmission shaft, driving control system, water-cooling system and sealing transfer chamber；Within described steel crawler belt is placed in sealing transfer chamber, arranging ringwise, two ends are provided with the guard rail preventing material landing or blowing away, and are made up of heat-and corrosion-resistant rustless steel, and have enough length to meet carbon residue cooling required time；The two ends of steel crawler belt are respectively arranged with a power transmission shaft, and one of them is driving shaft, and another is driven shaft, to realize the transmission of steel crawler belt；Driven shaft is completely disposed in sealing Transmission Room, and driving shaft then seals the driving control system outside transfer chamber be connected with being placed in；The arranged beneath of steel crawler belt has water-cooling system.
Described exhaust treatment system includes cyclone separator, ash bucket, half dry type reaction tower, neutralizes circulating water pool, chemicals dosing plant, dry type reactor and chimney；Cyclone separator arranged beneath ash bucket, overhead gas outlet is connected with half dry type reaction tower entrance；Half dry type reaction tower gas outlet is connected with dry type reactor inlet, and liquid outlet is arranged and neutralized circulating water pool, and dry type reactor outlet arranges chimney, and half dry type reaction tower is all connected with chemicals dosing plant with dry type reactor inlet.
The beneficial effects of the utility model are:
Refuse pyrolysis plant described in the utility model, have employed the fixed bed refuse pyrolysis plant of plural parallel stage and efficient tail gas clean-up processing system, the advantage with following several respects:
1, adaptable to the moisture of rubbish, it is particularly suited for processing the rubbish of high moisture content；Typically all containing substantial amounts of moisture in rubbish, required drying time is longer, pyrolysis system described in the utility model, drying time can be adjusted flexibly, guarantee fully to be dried, and the moisture produced in dry run will not be mixed in pyrolysis gas, thus do not interfere with the burn application of pyrolysis gas.
2, it is applicable to various raw refuse, does not set the build-in components of complexity in the burner hearth of fixed-bed pyrolysis reactor, raw refuse can be directly placed into, it is not necessary to rubbish is carried out the pretreatment such as broken or sorting.
3, adaptable to the change of component of rubbish；The component of rubbish, affected by various factors such as geography, weather, seasons and changed greatly, pyrolysis system described in the utility model, by using the fixed-bed pyrolysis reactor of plural parallel stage, can ensure that different fixed-bed pyrolysis reactors is in different duties, and coordinate be dried, the time of the process procedures such as pyrolysis and the regulation and control of temperature, be i.e. suitable for different rubbish.
4, the fixed-bed pyrolysis reactor of plural parallel stage is used, on the one hand, the reactor of varying number can be selected to be operated according to the demand of garbage treatment quantity, thus this system has wider disposal ability range of accommodation；On the other hand, the duty of each reactor can be adjusted flexibly, it is achieved feed, be dried, be pyrolyzed, being flexibly matched with of each link of discharging.
5, burnt and three processes of gas cleaning by pyrolysis, combustible gas, it can be ensured that there is no the discharge of the pollutant such as any two English: pyrolytic process is that oxygen-limited condition produces H2, the reproducibility component such as CO, and temperature is relatively low, material time of staying long enough in stove, it is possible to effectively suppress the generation of the harmful substances such as two English from source；Combustible gas combustion furnace can eliminate harmful organic substance that may be present；Tail flue gas cleaning system can eliminate pollutant that may be present further.
6, with the combustible gas of refuse pyrolysis product as thermal source, the refuse pyrolysis that can substantially realize self-heating converts, and heat simultaneously more than needed can be additionally used in the offer thermal source such as hot water or steam.
Accompanying drawing explanation
Fig. 1 is refuse pyrolysis plant structural representation of the present utility model；
Fig. 2 is fixed-bed pyrolysis structure of reactor schematic diagram of the present utility model；
Fig. 3 and Fig. 4 is carbon residue collection system structural representation of the present utility model；
Fig. 5 is exhaust treatment system structural representation of the present utility model.
Wherein number designation is as follows:
1: refuse pyrolysis system；2: water vapour condenser system；3: carbon residue collection system；4: combustible gas combustion furnace；5: bootstrap system；6: exhaust treatment system；
1-1: the first fixed-bed pyrolysis reactor；1-2: the second fixed-bed pyrolysis reactor；……；1-N: the N fixed-bed pyrolysis reactor；
11: hopper；12: feed system；13: upper top cover；14: lighter；15: burner hearth body；16: air supplying ring；17: lower bottom cover；
31: steel crawler belt；32: power transmission shaft；33: driving control system；34: water-cooling system；35: seal transfer chamber；
61: cyclone separator；62: ash bucket；63: half dry type reaction tower；64: neutralize circulating water pool；65: chemicals dosing plant；66: dry type reactor；67: chimney.
Detailed description of the invention
This utility model provides the apparatus and method of a kind of refuse pyrolysis, is described further this utility model below in conjunction with detailed description of the invention.
Apparatus structure in each embodiment is identical, as shown in Figure 1.Including refuse pyrolysis system 1, water vapour condenser system 2, carbon residue collection system 3, combustible gas combustion furnace 4, bootstrap system 5, exhaust treatment system 6.The carrier gas inlet of refuse pyrolysis system 1 is connected with the hot air outlet of bootstrap system 5；The solid outlet of refuse pyrolysis system 1 is connected with the carbon residue entrance of carbon residue collection system 3, and the steam outlet of refuse pyrolysis system 1 is connected with the entrance of water vapour condenser system 2, and the pyrolysis gas outlet of refuse pyrolysis system 1 is connected with the entrance of combustible gas combustion furnace 4；The exhanst gas outlet of combustible gas combustion furnace 4 is connected with bootstrap system 5 smoke inlet；The offgas outlet of bootstrap system 5 is connected with the entrance of exhaust treatment system 6, and the hot air outlet of bootstrap system 5 is connected with the hot air inlet of refuse pyrolysis system 1.
Refuse pyrolysis system 1 includes multiple fixed-bed pyrolysis reactor；Described multiple fixed-bed pyrolysis structure of reactor are identical and level is in parallel, are followed successively by the first fixed-bed pyrolysis reactor 1-1 from left to right, the second fixed-bed pyrolysis reactor 1-2 ..., N fixed-bed pyrolysis reactor 1-N, N are the integer more than 2.The plurality of fixed-bed pyrolysis reactor be arranged on carbon residue collection system 3 top and airtight be connected, the upper furnace of each fixed-bed pyrolysis reactor arranges gas outlet, connect water vapour condenser system 2 and the inlet pipeline of combustible gas combustion furnace 4 respectively, gases exit line is respectively configured steam outlet valve and pyrolysis gas outlet valve controls gas and enters water vapour condenser system 2 or combustible gas combustion furnace 4.
The fixed-bed pyrolysis reactor of each unit is as in figure 2 it is shown, be respectively configured 11, feed system 12 of a hopper, upper top cover 13, lighter 14, burner hearth body 15, air supplying ring 16 and lower bottom cover 17；The outlet of hopper 11 is connected with the entrance of feed system 12, the outlet of feed system 12 correspond to burner hearth 15 entrance of fixed-bed pyrolysis reactor, upper top cover 13 and lower top cover 17 lay respectively at the top and bottom of burner hearth 15, it is automatic opener, lighter 14 is positioned at the top of burner hearth 15, air supplying ring 16 is positioned at the bottom of burner hearth 15, its whole height is the 1/4-1/3 of burner hearth 15 height, air intake space is formed between inwall and the outer wall of burner hearth 15 of air supplying ring 16, on the wall of the burner hearth 15 corresponding to air supplying ring 16 inwall, open multiple air intake osculum, the diameter of air intake osculum is gradually reduced from bottom to up, air inlet is offered in the bottom of air supplying ring 16, and configure the supply of hot-air inlets valve control hot-air, hot-air is tangentially into air supplying ring 16.
Carbon residue collection system 3 as shown in Figure 3 and Figure 4, including steel crawler belt 31, power transmission shaft 32, driving control system 33, water-cooling system 34 and seal transfer chamber 35；Within described steel crawler belt 31 is placed in sealing transfer chamber 35, arranging ringwise, two ends are provided with the guard rail preventing material landing or blowing away, and are made up of heat-and corrosion-resistant rustless steel, and have enough length to meet carbon residue cooling required time；The two ends of steel crawler belt 31 are respectively arranged with a power transmission shaft 32, and one of them is driving shaft, and another is driven shaft, to realize the transmission of steel crawler belt 31；Driven shaft is completely disposed in sealing Transmission Room 35, and driving shaft then seals the driving control system 33 outside transfer chamber 35 be connected with being placed in；The arranged beneath of steel crawler belt 31 has water-cooling system 34.
Exhaust treatment system 6 is as it is shown in figure 5, include cyclone separator 61, ash bucket 62, half dry type reaction tower 63, neutralize circulating water pool 64, chemicals dosing plant 65, dry type reactor 66 and chimney 67；Cyclone separator 61 arranged beneath ash bucket 62, overhead gas outlet is connected with half dry type reaction tower 63 entrance；Half dry type reaction tower 63 gas outlet is connected with dry type reactor 66 entrance, and liquid outlet is arranged and neutralized circulating water pool 64, and chimney 67 is arranged in dry type reactor 66 outlet, and half dry type reaction tower 63 is all connected with chemicals dosing plant 65 with dry type reactor 66 entrance.
Embodiment 1
Refuse pyrolysis system 1 in the present embodiment is made up of 4 fixed-bed pyrolysis reactors in parallel, utilizes said apparatus to implement refuse pyrolysis harmless treatment.Rubbish enters pyrolysis reactor by hopper 11 and feed system 12, and an inlet amount of each reactor is 3t (moisture 35%).In 4 fixed-bed pyrolysis reactors 2 be in pyrolysis phase (being respectively at Initial Stages of Pyrolysis and later stage), 1 be in drying stage, other 1 is in charging and discharge stage.Fixed-bed pyrolysis reactor inlet hot air temperature is 160 DEG C, and drying stage flow is 500Nm3/ h, pyrolysis phase flow is 200Nm3/ h, charging and discharge stage not heating air.Rubbish completes, at fixed-bed pyrolysis reactor, pyrolysis of lighting a fire after drying.It is pyrolyzed rear carbon residue to be fallen into by action of gravity and transport on the steel crawler belt 31 of carbon residue collection system 3, and by water-cooling system 34 cooling down below steel crawler belt 31；Pyrolysis gas and cold air simultaneously enter combustible gas combustion furnace 4 and burn.Flue gas heating cold air in bootstrap system 5 is hot-air, is 160 DEG C by regulating cooling water circulation flow-control hot air outlet temperature, and flow is 900Nm3/h.The tail gas completing heat exchange enters exhaust treatment system 6, sequentially passes through cyclone separator 61 and removes flying dust；Through half dry type reaction tower 63 chilling tail gas ash disposal, deacidification；Harmful gas and heavy metal is adsorbed through dry type reactor 66；Air is entered through chimney 67 after.Whole device achieves the self-heated pyrolysis of rubbish, and that has effectively contained two English results from discharge, it is achieved that the harmless treatment of rubbish.
Embodiment 2
Refuse pyrolysis system 1 in the present embodiment is made up of 4 fixed-bed pyrolysis reactors in parallel, utilizes said apparatus to implement refuse pyrolysis harmless treatment.Rubbish enters pyrolysis reactor by hopper 11 and feed system 12, and an inlet amount of each reactor is 3t (moisture 37%).In 4 fixed-bed pyrolysis reactors 2 be in pyrolysis phase (being respectively at Initial Stages of Pyrolysis and later stage), 1 be in drying stage, other 1 is in charging and discharge stage.Fixed-bed pyrolysis reactor inlet hot air temperature is 170 DEG C, and drying stage flow is 500Nm3/ h, pyrolysis phase flow is 200Nm3/ h, charging and discharge stage not heating air.Rubbish completes, at fixed-bed pyrolysis reactor, pyrolysis of lighting a fire after drying.It is pyrolyzed rear carbon residue to be fallen into by action of gravity and transport on the steel crawler belt 31 of carbon residue collection system 3, and by water-cooling system 34 cooling down below steel crawler belt 31；Pyrolysis gas and cold air simultaneously enter combustible gas combustion furnace 4 and burn.Flue gas heating cold air in bootstrap system 5 is hot-air, is 170 DEG C by regulating cooling water circulation flow-control hot air outlet temperature, and flow is 900Nm3/h.The tail gas completing heat exchange enters exhaust treatment system 6, sequentially passes through cyclone separator 61 and removes flying dust；Through half dry type reaction tower 63 chilling tail gas ash disposal, deacidification；Harmful gas and heavy metal is adsorbed through dry type reactor 66；Air is entered through chimney 67 after.Whole device achieves the self-heated pyrolysis of rubbish, and that has effectively contained two English results from discharge, it is achieved that the harmless treatment of rubbish.
Embodiment 3
Refuse pyrolysis system 1 in the present embodiment is made up of 8 fixed-bed pyrolysis reactors in parallel, utilizes said apparatus to implement refuse pyrolysis harmless treatment.Rubbish enters pyrolysis reactor by hopper 11 and feed system 12, and an inlet amount of each reactor is 3.2t (moisture 35%).In 8 fixed-bed pyrolysis reactors 4 be in pyrolysis phase (2 are in Initial Stages of Pyrolysis, and 2 are in the pyrolysis later stage), 2 be in drying stage, other 2 are in charging and discharge stage.Fixed-bed pyrolysis reactor inlet hot air temperature is 160 DEG C, and drying stage flow is 500Nm3/ h, pyrolysis phase flow is 200Nm3/ h, charging and discharge stage not heating air.Rubbish completes, at fixed-bed pyrolysis reactor, pyrolysis of lighting a fire after drying.It is pyrolyzed rear carbon residue to be fallen into by action of gravity and transport on the steel crawler belt 31 of carbon residue collection system 3, and by water-cooling system 34 cooling down below steel crawler belt 31；Pyrolysis gas and cold air simultaneously enter combustible gas combustion furnace 4 and burn.Flue gas heating cold air in bootstrap system 5 is hot-air, is 160 DEG C by regulating cooling water circulation flow-control hot air outlet temperature, and flow is 1800Nm3/h.The tail gas completing heat exchange enters exhaust treatment system 6, sequentially passes through cyclone separator 61 and removes flying dust；Through half dry type reaction tower 63 chilling tail gas ash disposal, deacidification；Harmful gas and heavy metal is adsorbed through dry type reactor 66；Air is entered through chimney 67 after.Whole device achieves the self-heated pyrolysis of rubbish, and that has effectively contained two English results from discharge, it is achieved that the harmless treatment of rubbish.
Embodiment 4
Refuse pyrolysis system 1 in the present embodiment is made up of 8 fixed-bed pyrolysis reactors in parallel, utilizes said apparatus to implement refuse pyrolysis harmless treatment.Rubbish enters pyrolysis reactor by hopper 11 and feed system 12, and an inlet amount of each reactor is 3.5t (moisture 40%).In 8 fixed-bed pyrolysis reactors 4 be in pyrolysis phase (2 are in Initial Stages of Pyrolysis, and 2 are in the pyrolysis later stage), 2 be in drying stage, other 2 are in charging and discharge stage.Fixed-bed pyrolysis reactor inlet hot air temperature is 170 DEG C, and drying stage flow is 520Nm3/ h, pyrolysis phase flow is 200Nm3/ h, charging and discharge stage not heating air.Rubbish completes, at fixed-bed pyrolysis reactor, pyrolysis of lighting a fire after drying.It is pyrolyzed rear carbon residue to be fallen into by action of gravity and transport on the steel crawler belt 31 of carbon residue collection system 3, and by water-cooling system 34 cooling down below steel crawler belt 31；Pyrolysis gas and cold air simultaneously enter combustible gas combustion furnace 4 and burn.Flue gas heating cold air in bootstrap system 5 is hot-air, is 170 DEG C by regulating cooling water circulation flow-control hot air outlet temperature, and flow is 1840Nm3/h.The tail gas completing heat exchange enters exhaust treatment system 6, sequentially passes through cyclone separator 61 and removes flying dust；Through half dry type reaction tower 63 chilling tail gas ash disposal, deacidification；Harmful gas and heavy metal is adsorbed through dry type reactor 66；Air is entered through chimney 67 after.Whole device achieves the self-heated pyrolysis of rubbish, and that has effectively contained two English results from discharge, it is achieved that the harmless treatment of rubbish.
It should be understood that; above-described embodiment is only for illustrating technology of the present utility model design and feature; its object is to for skilled in the art realises that content of the present utility model and implementing according to this, not detailed description of the invention is exhaustive, can not limit protection domain of the present utility model with this.All modifying according to the technical solution of the utility model or equivalent, without deviating from objective and the scope of technical solutions of the utility model, it all should be contained in the middle of right of the present utility model.
Claims (7)
1. a refuse pyrolysis plant, including refuse pyrolysis system (1), water vapour condenser system (2), carbon residue collection system (3), combustible gas combustion furnace (4), bootstrap system (5), exhaust treatment system (6), it is characterised in that:
The carrier gas inlet of described refuse pyrolysis system (1) is connected with the hot air outlet of bootstrap system (5)；The steam outlet of refuse pyrolysis system (1) is connected with the entrance of water vapour condenser system (2), the solid outlet of refuse pyrolysis system (1) is connected with the carbon residue entrance of carbon residue collection system (3), and the pyrolysis gas outlet of refuse pyrolysis system (1) is connected with the entrance of combustible gas combustion furnace (4)；The exhanst gas outlet of combustible gas combustion furnace (4) is connected with bootstrap system (5) smoke inlet；The offgas outlet of bootstrap system (5) is connected with the entrance of exhaust treatment system (6), and the hot air outlet of bootstrap system (5) is connected with the hot air inlet of refuse pyrolysis system (1)；
Described refuse pyrolysis system (1) includes multiple fixed-bed pyrolysis reactor；The plurality of fixed-bed pyrolysis structure of reactor is identical and level is in parallel, be followed successively by the first fixed-bed pyrolysis reactor (1-1) from left to right, the second fixed-bed pyrolysis reactor (1-2) ..., N fixed-bed pyrolysis reactor (1-N), N are the integer more than 2；The plurality of fixed-bed pyrolysis reactor be arranged on carbon residue collection system (3) top and airtight be connected, the upper furnace of each fixed-bed pyrolysis reactor arranges gas outlet, connect water vapour condenser system (2) and the inlet pipeline of combustible gas combustion furnace (4) respectively, gases exit line is respectively configured steam outlet valve and pyrolysis gas outlet valve controls gas and enters water vapour condenser system (2) or combustible gas combustion furnace (4).
Refuse pyrolysis plant the most according to claim 1, it is characterised in that: each fixed-bed pyrolysis reactor described is respectively configured a hopper (11), feed system (12), upper top cover (13), lighter (14), burner hearth body (15), air supplying ring (16) and lower bottom cover (17)；nullThe outlet of hopper (11) is connected with the entrance of feed system (12)，The outlet of feed system (12) correspond to burner hearth (15) entrance of fixed-bed pyrolysis reactor，Upper top cover (13) and lower top cover (17) lay respectively at the top and bottom of burner hearth (15)，It is automatic opener，Lighter (14) is positioned at the top of burner hearth (15)，Air supplying ring (16) is positioned at the bottom of burner hearth (15)，Its whole height is the 1/4-1/3 of burner hearth (15) height，Air intake space is formed between inwall and the outer wall of burner hearth (15) of air supplying ring (16)，On the wall of the burner hearth (15) corresponding to air supplying ring (16) inwall，Open multiple air intake osculum，The diameter of air intake osculum is gradually reduced from bottom to up，Air inlet is offered in the bottom of air supplying ring (16)，And configure the supply of hot-air inlets valve control hot-air，Hot-air is tangentially into air supplying ring (16).
Refuse pyrolysis plant the most according to claim 2, it is characterised in that: described feed system (12) is bucket elevator.
Refuse pyrolysis plant the most according to claim 3, it is characterised in that: described carbon residue collection system (3) includes steel crawler belt (31), power transmission shaft (32), driving control system (33), water-cooling system (34) and seals transfer chamber (35)；Within described steel crawler belt (31) is placed in sealing transfer chamber (35), arrange ringwise, two ends are provided with the guard rail preventing material landing or blowing away, and are made up of heat-and corrosion-resistant rustless steel, and have enough length to meet carbon residue cooling required time；The two ends of steel crawler belt (31) are respectively arranged with a power transmission shaft (32), and one of them is driving shaft, and another is driven shaft, to realize the transmission of steel crawler belt (31)；Driven shaft is completely disposed in sealing Transmission Room (35), and driving shaft then seals the driving control system (33) outside transfer chamber (35) be connected with being placed in；The arranged beneath of steel crawler belt (31) has water-cooling system (34).
Refuse pyrolysis plant the most according to claim 1, it is characterised in that: described bootstrap system is disposed with air heat exchanger and water-to-water heat exchanger in (5).
Refuse pyrolysis plant the most according to claim 5, it is characterised in that: in described bootstrap system (5), the hot air outlet temperature of air heat exchanger is 110-200 DEG C.
Refuse pyrolysis plant the most according to claim 1, it is characterised in that: described exhaust treatment system (6) includes cyclone separator (61), ash bucket (62), half dry type reaction tower (63), neutralizes circulating water pool (64), chemicals dosing plant (65), dry type reactor (66) and chimney (67)；Cyclone separator (61) arranged beneath ash bucket (62), overhead gas outlet is connected with half dry type reaction tower (63) entrance；Half dry type reaction tower (63) gas outlet is connected with dry type reactor (66) entrance, liquid outlet is arranged and is neutralized circulating water pool (64), chimney (67) is arranged in dry type reactor (66) outlet, and half dry type reaction tower (63) is all connected with chemicals dosing plant (65) with dry type reactor (66) entrance.
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| CN201520901235.8U CN205443186U (en) | 2015-11-13 | 2015-11-13 | Garbage pyrolytic device |
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| CN201520901235.8U CN205443186U (en) | 2015-11-13 | 2015-11-13 | Garbage pyrolytic device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385465A (en) * | 2015-11-13 | 2016-03-09 | 华北电力大学 | Garbage pyrolyzation device and method |
| CN108164259A (en) * | 2017-12-29 | 2018-06-15 | 湖南金炉科技有限责任公司 | Material dumping and sintered production line |
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2015
- 2015-11-13 CN CN201520901235.8U patent/CN205443186U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105385465A (en) * | 2015-11-13 | 2016-03-09 | 华北电力大学 | Garbage pyrolyzation device and method |
| CN108164259A (en) * | 2017-12-29 | 2018-06-15 | 湖南金炉科技有限责任公司 | Material dumping and sintered production line |
| CN108164259B (en) * | 2017-12-29 | 2022-11-01 | 湖南金炉科技股份有限公司 | Material de-gluing sintering production line |
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Inventor after: Kong Lingnan Inventor after: Lu Qiang Inventor after: Hu Bin Inventor after: Ye Xiaoning Inventor after: Li Wentao Inventor after: Wang Cuan Inventor after: Dong Changqing Inventor before: Lu Qiang Inventor before: Hu Bin Inventor before: Ye Xiaoning Inventor before: Li Wentao Inventor before: Wang Cuan Inventor before: Dong Changqing |
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Granted publication date: 20160810 Effective date of abandoning: 20180814 |