CN108758639B - Garbage pyrolysis gasification and secondary combustion chamber integrated device - Google Patents
Garbage pyrolysis gasification and secondary combustion chamber integrated device Download PDFInfo
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- CN108758639B CN108758639B CN201810614759.7A CN201810614759A CN108758639B CN 108758639 B CN108758639 B CN 108758639B CN 201810614759 A CN201810614759 A CN 201810614759A CN 108758639 B CN108758639 B CN 108758639B
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- 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
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- 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
- F23G5/165—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
- Incineration Of Waste (AREA)
Abstract
The invention discloses a garbage pyrolysis gasification and secondary combustion chamber integrated device, which comprises: the top of the gasification furnace is provided with a feeding device, and the side wall of the gasification furnace is provided with a flue gas outlet; the second combustion chamber is arranged below the gasification furnace and fixedly connected with the gasification furnace, the side wall of the second combustion chamber is provided with a flue gas inlet, the flue gas inlet is communicated with the flue gas outlet through a flue, and the flue is provided with a first fan and a jet combustion furnace; the conical cylinder is arranged in the secondary chamber and communicated with the gasification furnace; the slag box is communicated with the conical barrel through a slag falling pipeline, and a flap valve is arranged on the slag falling pipeline. The device is mainly characterized in that the gasification furnace and the secondary combustion chamber are integrated into a whole, and the problem that gas can not be continuously and stably generated in the garbage gasification is solved, so that the garbage incineration pyrolysis gasification is relatively stable, the disposal speed of the garbage is accelerated, the continuous incineration of the secondary combustion chamber is ensured without fire break, the temperature is ensured, the heat ignition reduction rate of the garbage is reduced, the slag quantity is reduced, the energy is saved, and the floor area is saved.
Description
Technical Field
The invention relates to the technical field of garbage treatment, in particular to an integrated device of garbage pyrolysis gasification and secondary combustion chambers.
Background
With the rapid development of socioeconomic, the acceleration of urbanization process and the rapid improvement of the living standard of people in China, the quantity of municipal solid waste is increasing day by day, the waste occupies a large amount of land, the urban landscape is destroyed, the environment where people depend on living is continuously polluted, the health of people is threatened, the problem of the municipal solid waste is concerned by people, and the pyrolysis gasifier is a professional device designed and developed for treating solid waste.
The pyrolysis gasifier that now generally uses all is relatively independent, and the pyrolysis gasifier burns gasification to rubbish promptly, and the combustible gas that produces burns in two combustion chambers, but some problems of ubiquitous, if there is the unstable problem of gasification in the gasifier, the leading cause is the moisture content of rubbish, component, calorific value are unstable, has caused the speed and the gasification effect of gasification unstable, and two combustion chambers will appear and be interrupted the phenomenon of cutting off the fire, influence two combustion chamber temperatures, and the combustor of two combustion chambers will frequently open and stop, extravagant energy consumption.
And throw the material structure, what the tradition adopted is the open-type feeding, even if some occasions are in safe consideration and have also taken closed feeding, still do not solve sealed problem, have the air admission pyrolysis gasifier in feeding or work, cause non-negative pressure work, there is the flue gas leakage among the pyrolysis gasification process, influenced pyrolysis gasification effect, sometimes still can have the gas explosion to take place.
The fire observation device is composed of a fire observation hole transparent cover cap, an asbestos rubber pad, a high-temperature resistant glass sheet, a fire observation hole pipe and the like, and a baffle is additionally arranged on the fire observation hole glass surface for preventing tar and dust from covering. Has the following disadvantages: (1) the dust-proof baffle affects the observation sight. The dust-proof baffle is generally arranged at the central position of the observation tube, which influences the observation sight. (2) No heat insulation measures are adopted, and safety accidents are easily caused. The observation tube is directly inserted into the kiln, usually made of metal materials, and has fast heat conduction, so that the whole observation device forms high temperature, and scalding safety accidents are easily caused in the using processes of observing, replacing glass and the like. (3) The fire viewing angle is narrow. The fire observation tube is of a straight tube structure, so that the fire observation visual angle is narrow, and the fire observation range is small.
Disclosure of Invention
The invention aims to provide an integrated device for pyrolysis gasification and secondary combustion chamber of garbage, which solves one or more of the problems in the prior art.
The invention provides a garbage pyrolysis gasification and secondary combustion chamber integrated device, which is mainly characterized in that a gasification furnace and a secondary combustion chamber are integrated into a whole, and the device comprises:
the top of the gasification furnace is provided with a feeding device, and the side wall of the gasification furnace is provided with a flue gas outlet;
the second combustion chamber is arranged below the gasification furnace and fixedly connected with the gasification furnace, the side wall of the second combustion chamber is provided with a flue gas inlet, the flue gas inlet is communicated with the flue gas outlet through a flue, and the flue is provided with a first fan and a jet combustion furnace;
the conical cylinder is arranged in the secondary chamber and communicated with the gasification furnace;
the slag box is communicated with the conical barrel through a slag falling pipeline, and a flap valve is arranged on the slag falling pipeline.
In some embodiments, the feeding device comprises a hopper, an upper gate plate group, a bin, a lower gate plate group, a driving part and a sealing part, wherein the hopper is positioned above the upper gate plate group, the bin is positioned below the hopper, the upper gate plate group and the lower gate plate group are respectively positioned above and below the bin, and the upper gate plate group and the lower gate plate group are both provided with the sealing part.
In some embodiments, the upper gate plate group and the lower gate plate group each include a gate plate and a gate plate frame, a sealing portion is arranged between the gate plate and the gate plate frame, the sealing portion includes a side seal, a front seal and an outer seal, a guide rail, a gate plate support and a sealing pressure plate are arranged on the gate plate frame, the gate plate support is located on the periphery of the gate plate frame, the sealing pressure plate is connected with the sealing portion, the front seal and the outer seal are fixed seals, the side seal is a sliding seal, and the side seal and the gate plate can slide on the guide rail simultaneously.
In some embodiments, the conical cylinder side wall is provided with a primary air inlet, the primary air inlet is communicated with the second fan, the secondary air inlet is arranged on the secondary combustion chamber side wall, and the secondary air inlet is communicated with the third fan.
In some embodiments, a fixing plate is arranged at the bottom of the conical barrel, a conical air supply member is arranged on the fixing plate, the fixing plate is positioned on the periphery of the conical air supply member and is hollow for slag falling, a plurality of air supply holes are formed in the surface of the conical air supply member, an air supply pipe is connected to the conical air supply member, and the other end of the air supply pipe extends downwards to a primary air inlet.
In some embodiments, the slag box is provided with an air supply outlet, and the air supply outlet is communicated with the second fan.
In some embodiments, the gasification furnace and the second combustion chamber are both provided with fire observation devices, each fire observation device comprises a fire observation hole transparent cover, an asbestos rubber pad, a high-temperature resistant glass sheet, an arc-shaped fire baffle, a rotating handle, a rotating shaft, an appearance fire tube, a heat insulation layer, a fire observation opening and an inner wide-angle fire observation tube, the fire observation hole transparent cover and the high-temperature resistant glass sheet are arranged at the end of the outer fire observation tube, an annular asbestos rubber pad is lined between the high-temperature resistant glass sheet and the combined surface of the fire observation hole transparent cover and the appearance fire tube, the heat insulation layer is arranged between the appearance fire tube and the inner wide-angle fire observation tube, the arc-shaped fire baffle is arranged at the position, close to the fire observation opening, the arc-shaped fire baffle is fixed on the.
In some embodiments, the slag box further comprises a steam-water separator and a steam pipe, the steam-water separator is arranged on the upper end face of the gasification furnace, the outer surface of the gasification furnace is wrapped with a water jacket, and the steam-water separator is connected to the slag box through the steam pipe.
In some embodiments, the outer surface of the secondary combustion chamber is wrapped by an air jacket, a spiral air plate is arranged in the air jacket, a cyclone air distribution pipe is arranged at the bottom of the secondary combustion chamber, and a secondary air inlet is communicated with the air jacket.
In some embodiments, the side wall of the second combustion chamber is provided with a second flue gas outlet.
Has the advantages that: the integrated device for pyrolysis gasification of garbage and the secondary combustion chamber is mainly characterized in that a gasification furnace and the secondary combustion chamber are integrated, the problem that gas cannot be continuously and stably generated in the gasification of the garbage is solved, the temperature of the bottom of a hearth is stable, the pyrolysis gasification of the garbage is relatively stable, the disposal speed of the garbage is accelerated, the continuous incineration of the secondary combustion chamber is ensured without fire interruption, the temperature is ensured, the heat ignition reduction rate of the garbage is reduced, the slag quantity is reduced, the energy is saved, the floor area is saved, and the service life of equipment is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of an integrated apparatus for pyrolysis gasification and secondary combustion of garbage according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an integrated apparatus for pyrolysis gasification and secondary combustion of garbage according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a feeding device of an integrated apparatus of pyrolysis gasification and secondary combustion chamber for garbage according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a feeding device of an integrated apparatus of pyrolysis gasification and secondary combustion chamber for garbage according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a fire observation device of an integrated device of garbage pyrolysis gasification and secondary combustion chamber in one embodiment of the present invention;
fig. 6 is a schematic structural diagram of a fire observation device of an integrated device of pyrolysis gasification and secondary combustion chamber of garbage according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figures 1 and 2 of the drawings,
the utility model provides a rubbish pyrolysis gasification and two combustion chambers integral type devices, includes:
the gasifier 10 is provided with a feeding device 110 at the top of the gasifier 10, and a flue gas outlet 120 is formed in the side wall of the gasifier 10;
the second combustion chamber 20 is arranged below the gasifier 10 and fixedly connected with the gasifier 10, a flue gas inlet 210 is formed in the side wall of the second combustion chamber 20, the flue gas inlet 210 is communicated with the flue gas outlet 120 through a flue 220, and a first fan 230 and a flame spraying furnace 260 are arranged on the flue 220;
the conical cylinder 30, the conical cylinder 30 locates in the second combustion chamber 20 and communicates with gasification furnace 10;
the slag box 40, the slag box 40 and the conical cylinder 30 are communicated through a slag falling pipeline 410, and a flap valve 420 is arranged on the slag falling pipeline 410.
Specifically, the gasification furnace 10 and the second combustion chamber 20 are vertical cylindrical upper and lower structures, the upper part is the gasification furnace 10, the lower part is the second combustion chamber 20, and the upper part and the lower part are connected by flanges or welded.
As shown in figures 3 and 4 of the drawings,
further, the feeding device 110 includes a hopper 111, an upper gate plate group 112, a bin 113, a lower gate plate group 114, a driving portion 115, and a sealing portion 116, the hopper 111 is located above the upper gate plate group 112, the bin 113 is located below the hopper 111, the upper gate plate group 112 and the lower gate plate group 114 are respectively located above and below the bin 113, and both the upper gate plate group 112 and the lower gate plate group 114 are provided with the sealing portion 116.
Further, the upper gate plate group 112 and the lower gate plate group 114 both include a gate plate 1121 and a gate plate frame 1122, a sealing portion 116 is disposed between the gate plate 1121 and the gate plate frame 1122, the sealing portion 116 includes a side seal 1161, a front seal 1162 and an outer seal 1163, a guide rail 11221, a gate plate bracket 11222 and a sealing pressing plate 11223 are disposed on the gate plate frame 1122, the gate plate bracket 11222 is located on the periphery of the gate plate frame 1122, the sealing pressing plate 11223 is connected with the sealing portion 116, the front seal 1162 and the outer seal 1163 are fixed seals, the side seal 1161 is a sliding seal, and the side seal 1161 and the gate plate 1121 can simultaneously slide on the guide rail 11221.
The hopper 111 is arranged above the upper gate plate group 112, and a feeding hole is enlarged so as to facilitate centralized feeding and ensure that materials are not scattered outwards; in normal operation, the upper gate plate set 112 and the lower gate plate set 114 cannot be opened at the same time, so as to ensure that the gasification furnace is always in a closed working environment; before feeding, the lower gate group 114 is ensured to be in a closed state, otherwise, the upper gate 1121 cannot be opened, so that the working negative pressure in the furnace is not affected and no smoke leaks during feeding. After confirmation, the rams 1121 of the upper ram group 112 are opened by the driving cylinders, and the material enters the bin 113 through the hopper 111 and falls onto the lower rams 1121. The feed rate is controlled by controlling the grab volume or other feeding equipment to ensure that the volume of feed must not exceed the volume of the silo 113; after the feeding is finished, closing the upper gate 1121, and opening the lower gate 1121 after the upper gate 1121 is closed in place, wherein the motion of the upper gate 1121 and the lower gate 1121 is controlled by adopting position self-locking so as to ensure that a group of gates 1121 is always in a closed state; after the upper gate 1121 is closed, the lower gate 1121 is opened, the material falls into the gasifier, and then the lower gate 1121 is closed.
The upper gate plate set 112 and the lower gate plate set 114 of the feeding device 110 are designed to facilitate operation and control; during feeding, the upper gate plate group 112 and the lower gate plate group 114 are alternately opened and closed, and no lower than one gate plate 1121 is kept in a closed state, so as to ensure that the gasification furnace 10 is in a sealed working environment; the upper and lower shutters 1121 are provided with sealing parts 116 to ensure that no air enters the gasification furnace, and no flue gas of the gasification furnace leaks from the shutters 1121; self-locking control is realized, and safety and reliability are realized; the hopper 111 has wide angle, the feed inlet is enlarged, the adaptability of the feeding equipment is strong, and no material is scattered during feeding.
Further, a primary air inlet 310 is formed in the side wall of the conical cylinder 30, the primary air inlet 310 is communicated with a second fan 320, a secondary air inlet 240 is formed in the side wall of the secondary combustion chamber 20, and the secondary air inlet 240 is communicated with a third fan 250.
Further, a fixing plate 330 is arranged at the bottom of the conical barrel 30, a conical air supply member 331 is arranged on the fixing plate 330, the fixing plate 330 is positioned at the periphery of the conical air supply member 331 and is hollow for slag falling, a plurality of air supply holes 332 are arranged on the surface of the conical air supply member 331, an air supply pipe 333 is connected to the conical air supply member 331, and the other end of the air supply pipe 333 extends downwards to the primary air inlet 310.
Specifically, the conical tube 30 and the conical blowing member 331 are both made of 310S stainless steel.
Further, an air supply outlet 430 is arranged on the slag box 40, and the air supply outlet 430 is communicated with the second fan 320.
As shown in figures 5 and 6 of the drawings,
further, the gasification furnace 10 and the second combustion chamber 20 are both provided with a fire observation device 340, the fire observation device 340 comprises a fire observation hole transparent cover 341, an asbestos rubber pad 342, a high temperature resistant glass sheet 343, an arc fire baffle 344, a rotating handle 345, a rotating shaft 346, an appearance fire tube 347, a heat insulation layer 348, a fire observation opening 349 and an inner wide angle fire observation tube 3410, the fire observation hole transparent cover 341 and the high temperature resistant glass sheet 343 are arranged at the end of the outer fire observation tube 347, an annular asbestos rubber pad 342 is padded between the high temperature resistant glass sheet 343 and the combined surface of the fire observation hole transparent cover 341 and the appearance fire tube 347, the heat insulation layer 348 is arranged between the appearance fire tube 347 and the inner wide angle fire observation tube 3410, the arc fire baffle 344 is arranged at the position of the appearance fire tube 347 close to the fire observation opening 349, the arc fire baffle 344 is fixed on the tube wall of the appearance fire tube 347 through the rotating.
The fire observation hole transparent cover 341 is in threaded connection with the appearance fire tube 347, so that the fire observation hole transparent cover is safe and reliable, and is convenient to disassemble, assemble, replace and clean glass and replace the asbestos rubber pad 342; the high-temperature resistant glass sheet 343 is arranged between the fire observation hole transparent cover 341 and the appearance fire tube 347, and is lined with an annular asbestos rubber gasket for sealing and protecting the high-temperature resistant glass sheet 343, and the combustion condition in the hearth 31 can be observed through the high-temperature resistant glass sheet 343; the fire baffle 344 is of an arc circular plate structure, the radian of the fire baffle 344 is slightly smaller than the outer diameter of the appearance fire tube 347, the diameter of the circle of the fire baffle 344 is slightly smaller than the inner diameter of the appearance fire tube 347, the fire baffle is installed at a position close to a fire observation opening 349, the fire baffle is specifically installed to be connected with the appearance fire tube 347 through a rotating shaft 346, a connecting hole is formed in the outer circle position of the appearance fire tube 347, the rotating shaft 346 is provided with a rotating handle 345 for controlling the rotation of the fire baffle 344, and the. When a fire needs to be observed, the fire baffle 344 is horizontally opened and is close to the inner wall of the appearance fire tube 347 so as to ensure that the observation area is as large as possible; the fire baffle 344 is in a vertical state after the fire is watched, separates the high-temperature-resistant glass from the inside of the kiln, and effectively prevents the flame and dust from corroding the glass to cause the accumulation of tar, dust and the like on the surface of the glass; the appearance fire tube 347 is arranged on the outer side of the kiln, the inner wide-angle observation tube 3410 is arranged on the inner side of the kiln, and a heat insulation layer 348 is arranged between the appearance fire tube 347 and the inner wide-angle observation tube 3410, so that high temperature generated by combustion in the kiln is prevented from being transmitted to the appearance fire tube 347, and safety accidents are prevented; if a fire-resistant layer is arranged on the inner side of the kiln, the inner wide-angle fire observation hole can be directly formed by using fire-resistant pouring materials, and the inner wide-angle is determined according to requirements and is generally set to be 120 degrees; if necessary, the fire observation hole transparent cover 341 and the fire baffle 344 can be opened according to operation requirements, and the through rod is extended into the fire observation port 349 to stir and dredge materials in the kiln. The glass can prevent eyes from being burnt, and the glass is not easy to cover dust, tar and other substances which influence the sight line, so that the fire observation effect is good; the port of the fire observation device 34 is convenient to open and replace glass and sealing rings; the problem of sight line shielding is solved; due to the design of an inner wide angle, the fire observation visual angle is enlarged, and the observation range is enlarged; the heat insulation design solves the safety problem caused by heat transfer; the operation such as stirring, mediation can be carried out to burning material in the kiln through viewing burner 349 when needing.
Further, the gasifier comprises a steam-water separator 130 and a steam pipe 140, wherein the steam-water separator 130 is arranged on the upper end face of the gasifier 10, the outer surface of the gasifier 10 is wrapped with a water jacket, and the steam-water separator 130 is connected to the slag box 40 through the steam pipe 140.
In actual operation, the water jacket absorbs the heat of the gasifier 10 to generate water vapor for protecting the furnace wall, the water vapor is separated in the steam-water separator 130, the condensed water flows into the water jacket, the steam enters the slag box 40 through the steam pipe 140, the slag discharged from the gasifier 10 contacts with the water vapor in the slag box 40, the temperature of the slag is reduced, the humidity of the slag is increased after the temperature is reduced for a certain time, and when the slag exits from the slag box 40, the temperature of the slag does not have high temperature, and no flying ash is raised due to the increase of the humidity of the ash, so that the safety problem of high-temperature scalding during slag discharging is solved, and the problem of environment pollution caused by the flying ash during slag discharging is also avoided. Meanwhile, the water jacket protects the hearth of the gasification furnace 10 from being damaged by high temperature, replaces refractory materials, reduces the cost and does not need maintenance.
Further, the outer surface of the secondary combustion chamber 20 is wrapped with an air jacket, a spiral air plate 270 is arranged in the air jacket, a cyclone air distribution pipe 280 is arranged at the bottom of the secondary combustion chamber 20, and the secondary air inlet 240 is communicated with the air jacket.
The secondary air supplied by the third fan 250 is air fed into the air jacket, and the air in the air jacket is heated by the high temperature of the secondary combustion chamber 20 and then enters the secondary combustion chamber 20 through the cyclone air distribution pipe 280.
Further, a second flue gas outlet 290 is arranged on the side wall of the second combustion chamber 20, the second flue gas outlet 290 is connected with a flue gas purification treatment system, and the flue gas is finally cleaned and discharged into the atmosphere along with the pipeline flue gas purification treatment system from the second flue gas outlet 290.
The working principle is as follows: when the garbage starts to burn from the feeding device 110 at the top of the gasification furnace 10, the lower part of the gasification furnace 10 starts to burn, the first fan 230, the second fan 320 and the third fan 250 start to work, the burner of the second combustion chamber 20 works, the temperature of the second combustion chamber 20 gradually rises, the air supply port 430 of the slag box 40 simultaneously supplies air, as the garbage feeding amount increases, the bottom of the gasification furnace 10, namely, the conical barrel 30 begins to heat up and turn red, the garbage is rapidly dried, pyrolyzed and gasified in the conical barrel 30 (primary air is used for meeting the air quantity required by gasification), the combustible gas starts to be produced in large quantity, and after passing through the flue 220 at the bottom of the second combustion chamber 20 along with the suction of the first fan 230, after the flame-throwing furnace 260 is ignited, the flame enters the second combustion chamber 20, when the temperature of the second combustion chamber 10 reaches 850 ℃, the burner automatically stops working, the combustible gas continuously enters the secondary combustion chamber 20 from the gasification furnace 10 through the high-temperature induced draft fan for incineration. The temperature of the conical barrel 30 at the top of the secondary combustion chamber 20 is higher and higher, the garbage falling into the conical barrel 30 is rapidly pyrolyzed, gasified and incinerated, and falls into the slag box 40 through the slag falling pipeline 410, and because the air supply outlet 430 is distributed in the slag box 40, the residue falling into the slag box 40 is incinerated for the last time until the residue is completely burnt out. When discharging slag, the flap valve 420 on the slag falling pipeline 410 is closed, the slag discharging door of the slag box 40 is opened, slag is discharged to the movable slag car, and the temperature and stability of the hearth are not affected when the gate is opened due to the closing of the flap valve 420.
When the integrated device for pyrolysis gasification of garbage and the secondary combustion chamber provided by the embodiment of the invention operates, combustible gas is burnt at high temperature in the secondary combustion chamber, the temperature of the conical barrel at the top of the secondary combustion chamber rises and turns red, and when the garbage falls, the garbage can be rapidly dried and burnt.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these should also be construed as being within the scope of the present invention.
Claims (6)
1. The utility model provides a rubbish pyrolysis gasification and two combustion chambers integral type devices which characterized in that includes:
the gasification furnace (10), the top of the gasification furnace (10) is provided with a feeding device (110), and the side wall of the gasification furnace (10) is provided with a flue gas outlet (120);
the secondary combustion chamber (20) is arranged below the gasification furnace (10) and fixedly connected with the gasification furnace (10), a flue gas inlet (210) is formed in the side wall of the secondary combustion chamber (20), the flue gas inlet (210) is communicated with the flue gas outlet (120) through a flue (220), and a first fan (230) and a flame projecting furnace (260) are arranged on the flue (220);
the conical cylinder (30), the said conical cylinder (30) locates in said second combustion chamber (20) and communicates with said gasification furnace (10);
the slag box (40) is communicated with the conical barrel (30) through a slag falling pipeline (410), and a flap valve (420) is arranged on the slag falling pipeline (410);
the side wall of the conical cylinder (30) is provided with a primary air inlet (310), and the primary air inlet (310) is communicated with a second fan (320);
the bottom of the conical barrel (30) is provided with a fixing plate (330), the fixing plate (330) is provided with a conical air supply component (331), the fixing plate (330) is positioned at the periphery of the conical air supply component (331) and is used for falling slag, the surface of the conical air supply component (331) is provided with a plurality of air supply holes (332), the conical air supply component (331) is connected with an air supply pipe (333), and the other end of the air supply pipe (333) extends downwards to the primary air inlet (310);
an air supply outlet (430) is formed in the slag box (40), and the air supply outlet (430) is communicated with the second fan (320);
the gasification furnace (10) and the secondary combustion chamber (20) are respectively provided with a fire observation device (340), the fire observation device (340) comprises a fire observation hole transparent cover (341), an asbestos rubber gasket (342), a high-temperature resistant glass sheet (343), an arc fire baffle plate (344), a rotating handle (345), a rotating shaft (346), an appearance fire tube (347), a heat insulation layer (348), a fire observation opening (349) and an inner wide-angle fire observation tube (3410), the fire observation hole transparent cover (341) and the high-temperature resistant glass sheet (343) are arranged at the opening end of the appearance fire tube (347), the annular asbestos rubber gasket (342) is padded between the high-temperature resistant glass sheet (343) and the combination surface of the fire observation hole transparent cover (341) and the appearance fire tube (347), the heat insulation layer (348) is arranged between the appearance fire tube (347) and the inner wide-angle fire observation tube (3410), and the arc fire baffle plate (344) is arranged at the position, close to the fire observation opening (349), of the appearance fire tube (, the arc-shaped fire baffle (344) is fixed on the pipe wall of the appearance fire pipe (347) through the rotating shaft (346), and the rotating handle (345) is installed on the rotating shaft (346).
2. The integrated device for pyrolysis gasification and secondary combustion chamber of garbage according to claim 1, wherein the feeding device (110) comprises a hopper (111), an upper gate plate group (112), a storage bin (113), a lower gate plate group (114), a driving part (115) and a sealing part (116), the hopper (111) is positioned above the upper gate plate group (112), the storage bin (113) is positioned below the hopper (111), the upper gate plate group (112) and the lower gate plate group (114) are respectively positioned above and below the storage bin (113), and the upper gate plate group (112) and the lower gate plate group (114) are both provided with the sealing part (116).
3. The integrated apparatus of garbage pyrolysis gasification and secondary combustion chamber as claimed in claim 2, the upper gate plate group (112) and the lower gate plate group (114) both comprise a gate plate (1121) and a gate plate frame (1122), a sealing part (116) is arranged between the gate plate (1121) and the gate plate frame (1122), the seal (116) includes a side seal (1161), a front seal (1162), and an outer seal (1163), the flashboard frame (1122) is provided with a guide rail (11221), a flashboard bracket (11222) and a sealing pressing plate (11223), the shutter plate bracket (11222) is located on the periphery of the shutter plate bracket (1122), the sealing pressing plate (11223) is connected to the sealing portion (116), the front seal (1162) and the outer seal (1163) are fixed seals, the side seal (1161) is a sliding seal, the side seal (1161) and the shutter (1121) are simultaneously slidable on the guide rail (11221).
4. The integrated device for pyrolysis and gasification of garbage and a secondary combustion chamber as claimed in claim 1, wherein the secondary combustion chamber (20) is provided with a secondary air inlet (240) on the side wall, and the secondary air inlet (240) is communicated with a third fan (250).
5. The integrated device for pyrolysis gasification and secondary combustion chamber of garbage according to claim 1, further comprising a steam-water separator (130) and a steam pipe (140), wherein the steam-water separator (130) is arranged on the upper end surface of the gasification furnace (10), the outer surface of the gasification furnace (10) is wrapped with a water jacket, and the steam-water separator (130) is connected to the slag box (40) through the steam pipe (140).
6. The integrated device for pyrolysis gasification of garbage and secondary combustion chamber as claimed in claim 4, wherein the outer surface of the secondary combustion chamber (20) is wrapped with an air jacket, a spiral air plate (270) is arranged in the air jacket, a cyclone air distribution pipe (280) is arranged at the bottom of the secondary combustion chamber (20), and the secondary air inlet (240) is communicated with the air jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614759.7A CN108758639B (en) | 2018-06-14 | 2018-06-14 | Garbage pyrolysis gasification and secondary combustion chamber integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614759.7A CN108758639B (en) | 2018-06-14 | 2018-06-14 | Garbage pyrolysis gasification and secondary combustion chamber integrated device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108758639A CN108758639A (en) | 2018-11-06 |
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| RU2342600C2 (en) * | 2006-12-19 | 2008-12-27 | Трусов Станислав Александрович | Firing installation used for burning industrial wood residue |
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