CN210267248U - Garbage gasification primary and secondary furnace equipment with upward flame-throwing combustion stove - Google Patents

Abstract

The utility model discloses a waste gasification primary and secondary stove equipment of burning kitchen is spouted to upward area, including mother's gasification stove, son gasification stove and co-combustion kitchen, the co-combustion kitchen includes interior kitchen and outer kitchen, and interior kitchen sets up inside outer kitchen, and the gas inlet pipe of interior kitchen feeds through the gas outlet pipe of mother's gasification stove, and outer kitchen gas inlet pipe feeds through the gas outlet pipe of son gasification stove, and the flame outlet of interior kitchen is along vertical seting up, and the flame outlet of outer kitchen is along vertical seting up. When carrying out gasification treatment to rubbish, start mother's gasifier earlier, after mother's gasifier gasification is normal, the gas of the gasification of rubbish in the mother's gasifier is at the interior kitchen burning of burning kitchen, the burning can produce the high energy, and promoter gasifier is started again, and the flue gas that the gasification of wet rubbish produced in the son gasifier advances to be decomposed by the high temperature heat that the burning of interior kitchen produced in the outer kitchen of burning kitchen to make whole refuse treatment in-process can not produce cigarette and poisonous and harmful gas, and safety ring protects, possesses economic benefits.

Description

Garbage gasification primary and secondary furnace equipment with upward flame-throwing combustion stove

Technical Field

The utility model relates to a refuse treatment technical field especially relates to a waste gasification primary and secondary stove equipment of burning kitchen is spouted fire upwards in area.

Background

The main method of the prior garbage disposal is incineration or landfill, but the incineration or the landfill still has certain influence on the environment, the landfill can cause huge pollution to water sources and soil and occupy a large amount of land, and the incineration technology is limited by domestic garbage components, so that the aim of converting the garbage into nontoxic harmless green energy can not be really realized. At present, the garbage gasification technology is relatively suitable for the national conditions of China, the garbage gasification refers to that garbage is subjected to anoxic combustion in a closed container, and air and steam are used as mixed gasification agents, so that the garbage releases a large amount of combustible gases such as carbon monoxide, hydrogen, methane and the like.

However, the existing garbage gasification furnaces have high requirements on the moisture content of the garbage, the garbage with high moisture content needs to be dried firstly and can enter the gasification furnaces to be gasified after reaching the moisture content requirement, and the treatment steps and the treatment time are increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a garbage gasification primary and secondary furnace device with an upward flaming combustion stove, which solves the technical problem that the existing garbage gasification treatment can not directly treat the garbage with high water content.

According to the utility model discloses an aspect, a waste gasification primary and secondary stove equipment of area upwards flaming burning kitchen, including mother gasifier, son gasifier and co-combustion kitchen, the co-combustion kitchen includes interior kitchen and outer kitchen, interior kitchen set up in inside the outer kitchen, the interior kitchen gas inlet pipe intercommunication of interior kitchen the gas outlet pipe of mother gasifier, outer kitchen gas inlet pipe intercommunication the gas outlet pipe of son gasifier, the flame outlet of interior kitchen is along vertical seting up, the flame outlet of outer kitchen is along vertical seting up.

Further, the inner stove comprises an inner stove core and an inner stove fan, a first air distribution chamber is arranged inside the inner stove core, air distribution holes are formed in the circumferential side wall of the first air distribution chamber, the inner stove gas inlet pipe is communicated to the first air distribution chamber, the inner stove fan is communicated to the inner stove gas inlet pipe, the inner stove gas inlet pipe is narrowed towards the first air distribution chamber so that air flow can conveniently flow into the air distribution chamber, and a fire pressing cover is arranged at the upper end of the first air distribution chamber.

Furthermore, the central area of the fire pressing cover is a sealed plate body, and through holes are uniformly distributed in the peripheral area of the fire pressing cover.

Further, outer kitchen includes outer kitchen range core, outer kitchen range shell and outer kitchen fan, outer kitchen range core is located outside the kitchen range shell, form the cavity between outer kitchen range core and the outer kitchen range shell, the lateral wall of outer kitchen range core is equipped with the air feed hole that at least round interval was arranged, outer kitchen fan intercommunication to the cavity, outer kitchen with be formed with the second air distribution chamber between the interior kitchen, second air distribution chamber upper end is equipped with the air distribution mouth, outer kitchen gas import pipe intercommunication to the second air distribution chamber, the inside just being located of outer kitchen the low reaches of air feed hole air current direction are equipped with at least one pressure fire dish.

Furthermore, the number of the fire suppression discs is two, the first fire suppression disc and the second fire suppression disc are sequentially arranged along the flame direction, and the radial size of the first fire suppression disc is smaller than that of the second fire suppression disc.

Furthermore, the central area of the first fire pressing disc is a closed plate body, and through holes are uniformly distributed in the peripheral area of the first fire pressing disc; through holes are uniformly distributed on the second fire pressing plate from the central area to the peripheral area.

Furthermore, the air supply holes are arranged into a circle, and short pipes which are located on the radial surface of the outer stove core and are outwards inclined from the center of the radial surface of the overhanging end are arranged on the air supply holes.

Furthermore, the air supply holes are arranged into two circles, and a short pipe which is located on the radial surface of the outer stove core and is inclined outwards from the center of the radial surface of the overhanging end is arranged on the circle of air supply holes close to the fire pressing plate.

Further, outer kitchen range shell formula as an organic whole, or outer kitchen range shell includes kitchen range and the end of a kitchen range, outer kitchen range core is laid in the kitchen range, the second gas distribution chamber is laid at the end of a kitchen range, the kitchen range with the end of a kitchen range is split type structure, the kitchen range with the end of a kitchen range is detachable connection.

Furthermore, a fireproof heat insulation layer is arranged on the wall of the outer stove shell.

The utility model discloses following beneficial effect has:

the utility model discloses a take rubbish gasification primary and secondary stove equipment of fire-jetting combustion stove upwards, including mother gasification stove, son gasification stove and co-combustion stove, the co-combustion stove includes inner oven and outer kitchen, inner oven intercommunication mother gasification stove, outer kitchen intercommunication son gasification stove, the rubbish moisture content of packing into in the mother gasification stove is lower, can not be higher than 15%, except that the rubbish in the son gasification stove requires relatively dry bottom rubbish, upper garbage moisture content can reach 50%, when carrying out gasification treatment to rubbish, start mother gasification stove earlier, because the rubbish moisture content in the mother gasification stove is lower, very easy ignition is successful, after the gasification of mother gasification stove is normal, the gas of rubbish gasification in the mother gasification stove burns at the inner oven of combustion stove, the burning can produce high energy, the promoter gasification stove again, son gasification stove bottom rubbish is relatively dry, can guarantee normal ignition, because the rubbish moisture content is high in the son gasification stove, the gasification can generate smoke which can not be directly combusted, but the smoke enters the outer stove of the combustion stove and is decomposed by high-temperature heat generated by the combustion of the inner stove, so that smoke and toxic and harmful gases can not be generated in the whole garbage treatment process, a good environment-friendly effect is obtained, and the problem that garbage with high water content can not be directly treated is solved;

on the other hand, the flame export of mixing gas stove burning is followed vertical laying, can carry out the central combustion heat supply to superstructure, perhaps can directly match the boiler and carry out heat supply water or heating, and vertical boiler is more general among the prior art, and upward flame projecting burning kitchen can directly match the use with current boiler equipment, need not to reform transform the boiler. And because the hot gas flow that the burning produced tends to flow upwards, the burning kitchen flame outlet of upwards flaming can be designed very big, and when the radial dimension of outer kitchen reached 550mm, the mixed combustion kitchen still can stably burn, is fit for matching the heat supply with large-scale equipment, and the heating area is big. Correspondingly, the larger the size of the mixed combustion stove is, the larger the size of the gasification furnace (including the sub-gasification furnace and the mother gasification furnace) adapted to the mixed combustion stove is, the larger the garbage treatment amount is, and the mixed combustion stove is very suitable for being applied to a large garbage treatment plant.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic structural view of a garbage gasification primary and secondary furnace device with an upward flaming combustion stove according to a preferred embodiment of the invention;

FIG. 2 is a schematic structural view of a garbage gasification primary and secondary furnace device with an upward flaming combustion stove according to a preferred embodiment of the invention;

FIG. 3 is a schematic view showing a structure of the hybrid combustion range of FIG. 1;

fig. 4 is another structural schematic view of the hybrid combustion range of fig. 1.

Illustration of the drawings:

1. a mother gasifier; 10. a fan; 11. a gas distribution device of the main furnace; 12. vibrating a motor; 13. a feeding cover; 14. a gas outlet pipe; 15. a dirt collecting device;

2. a sub-gasifier; 20. a fan; 21. a gas distribution device of the sub-furnace; 210. a side gas distribution assembly; 211. a bottom gas distribution assembly; 22. a water adding device; 23. vibrating a motor; 24. a feeding cover; 25. a gas outlet pipe; 26. a dirt collecting device;

3. a hybrid combustion range; 31. an inner stove; 310. an inner stove core; 311. a gas inlet pipe of the inner stove; 312. an inner stove fan; 313. a fire pressing cover; 314. a first gas distribution chamber; 32. an outer stove; 320. an outer stove core; 321. an outer stove housing; 322. a gas inlet pipe of an external stove; 323. an external stove fan; 324. a cavity; 325. a fire pressing plate; 3251. a first match plate; 3252. a second fire suppression disc; 326. A short pipe; 327. a second gas distribution chamber; 33. an ignition device.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.

As shown in fig. 1, the primary and secondary garbage gasification furnace equipment with upward flaming combustion stove of this embodiment, including mother gasification stove 1, son gasification stove 2 and co-combustion stove 3, co-combustion stove 3 includes interior kitchen 31 and outer kitchen 32, interior kitchen 31 sets up inside outer kitchen 32, the interior kitchen gas inlet pipe 311 of interior kitchen 31 communicates the gas outlet pipe 14 of mother gasification stove 1, the outer kitchen gas inlet pipe 322 of outer kitchen 32 communicates the gas outlet pipe 25 of son gasification stove 2, the flame outlet direction of interior kitchen 31 is offered along vertical, the flame outlet of outer kitchen 32 is offered along vertical. Mother gasification stove 1 is the closed, and the top of mother gasification stove 1 is equipped with the feed inlet of taking feeding lid 13, and mother gasification stove 1 bottom is equipped with the fan 10 and the ignition of burning gasification oxygen suppliment, and son gasification stove 2 is the closed, and the top of son gasification stove 2 is equipped with the feed inlet of taking feeding lid 24, and son gasification stove 2 bottom is equipped with the fan 20 and the ignition of burning gasification oxygen suppliment. The fan provides a proper amount of air or oxygen for supporting combustion in the gasification furnace, so that the garbage in the gasification furnace is incompletely combusted to obtain fuel gas, air or oxygen is supplied to the bottom of the gasification furnace through fan blowing, and the air or oxygen is distributed through the air distribution and ash storage device and mixed with the garbage so that the garbage is incompletely combusted. The hybrid combustion stove 3 may be provided with an ignition device 33 for ignition, such as an electronic ignition rod or a flame gun, or may be ignited by an external ignition device. In the initial combustion, the hybrid combustion stove 3 is assisted by fuel, and the fuel can be any combustible gas or liquid, preferably liquefied gas or natural gas.

The waste gasification primary-secondary furnace equipment with the upward flame-spraying combustion furnace comprises a primary gasification furnace, a secondary gasification furnace and a mixed combustion furnace, wherein the mixed combustion furnace comprises an inner furnace and an outer furnace, the inner furnace is communicated with the primary gasification furnace, the outer furnace is communicated with the secondary gasification furnace, the moisture content of the loaded waste in the primary gasification furnace is lower and cannot be higher than 15%, the moisture content of the waste in the secondary gasification furnace can reach 50% except for the requirement of the bottom waste for being relatively dry, when the waste is gasified, the primary gasification furnace is started firstly, because the moisture content of the waste in the primary gasification furnace is lower, the ignition is very easy to succeed, after the primary gasification furnace is gasified normally, the fuel gas gasified by the waste in the primary gasification furnace is combusted in the inner furnace of the combustion furnace, the combustion can generate high energy, then the secondary gasification furnace is started, the waste at the bottom of the secondary gasification furnace is relatively dry, the normal ignition can be ensured, the gasification can produce the flue gas, and this flue gas can not the direct combustion, but the flue gas advances to be decomposed by the high temperature heat that the burning of interior kitchen produced in the outer kitchen of burning kitchen to make whole refuse treatment in-process can not produce cigarette and poisonous and harmful gas, obtain good environmental protection effect, thereby solved the difficult problem that the rubbish that the moisture content is high can not the direct processing.

On the other hand, the flame export of mixing gas stove burning is followed vertical laying, can carry out the central combustion heat supply to superstructure, perhaps can directly match the boiler and carry out heat supply water or heating, and vertical boiler is more general among the prior art, and upward flame projecting burning kitchen can directly match the use with current boiler equipment, need not to reform transform the boiler. And because the hot gas flow that the burning produced tends to flow upwards, the burning kitchen flame outlet of upwards flaming can be designed very big, and when the radial dimension of outer kitchen reached 550mm, the mixed combustion kitchen still can stably burn, is fit for matching the heat supply with large-scale equipment, and the heating area is big. Correspondingly, the larger the size of the mixed combustion stove is, the larger the size of the gasification furnace (including the sub-gasification furnace and the mother gasification furnace) adapted to the mixed combustion stove is, the larger the garbage treatment amount is, and the mixed combustion stove is very suitable for being applied to large garbage treatment plants.

In this embodiment, the structure of the hybrid combustion range 3 may be varied, as shown in fig. 1, fig. 3 or fig. 4, the structure of the hybrid combustion range 3 is only exemplary, and other variations are also possible, the inner range 31 includes an inner range core 310 and an inner range fan 312, the inner range core 310 is provided with a first air distribution chamber 314 inside, the circumferential side wall of the first air distribution chamber 314 is provided with air distribution holes, the inner range gas inlet pipe 311 is communicated with the first air distribution chamber 314, the inner range fan 312 is communicated with the inner range gas inlet pipe 311, the inner range gas inlet pipe 311 narrows towards the first air distribution chamber 314, so that the air flow flows into the first air distribution chamber 314, the upper end of the first air distribution chamber 314 is provided with a fire cap 313, the outer range 32 includes an outer range core 320, an outer range shell 321 and an outer range fan 323, the outer range core 320 is located inside the outer range shell 321, a cavity 324 is formed between the outer range core 320 and the outer range shell 321, the side wall of the outer range core 320 is provided with at least one circle of air supply holes arranged at intervals, the outer stove fan 323 is communicated with the cavity 324, a second air distribution chamber 327 is formed between the outer stove 32 and the inner stove 31, an air distribution port is arranged at the upper end of the second air distribution chamber 327, the air distribution port can be designed into an annular groove, an arc groove or a through hole type, the outer stove gas inlet pipe 322 is communicated with the second air distribution chamber 327, and at least one fire pressing plate 325 is arranged inside the outer stove 32 and located at the downstream of the air supply hole in the air flow direction.

The inner stove gas inlet pipe 311 is connected with a gas outlet pipe of the mother gasifier 1, the outer stove gas inlet pipe 322 is connected with a gas outlet pipe of the sub gasifier 2, the garbage in the mother gasifier 1 is gasified under the condition of insufficient oxygen supply to produce combustible gas, the inner stove fan 312 is communicated with the inner stove gas inlet pipe 311, the inner stove gas inlet pipe 311 narrows towards the first gas distribution chamber 314, the combustible gas and sufficient combustion-supporting oxygen begin to be mixed at the inner stove gas inlet pipe 311, the inner stove gas inlet pipe narrows towards the first gas distribution chamber, mixed gas flow enters the inner stove core 310 from the air distribution hole after entering the first gas distribution chamber 314 quickly to ignite and burn, and flame is sprayed out from the through hole of the flame pressing cover 313; the central area of the fire pressing cover 313 is a closed plate body, and the through holes are uniformly distributed in the peripheral area of the fire pressing cover 313; wet garbage in the sub-gasification furnace 2 is gasified under the condition of insufficient oxygen supply to generate smoke which can not be directly combusted, the smoke enters a second gas distribution chamber through an outer stove gas inlet pipe 322 and flows into the inner part of an outer stove core 320 through a gas distribution port, an outer stove fan 323 guides combustion-supporting oxygen into a cavity 324, the smoke enters the outer stove core 320 through a gas supply hole on the side wall of the outer stove core 320 to be mixed with the smoke, the smoke in the outer stove core 320 is ignited by means of combustion flame of an inner stove 31, black smoke and toxic and harmful gas generated by gasification of the wet garbage in the sub-gasification furnace 2 are decomposed at high temperature in the outer stove, the smoke and the oxygen are mixed fully through turbulent flow due to the arrangement of a fire pressing plate 325, the residence time of the smoke in the outer stove core 320 is prolonged, the smoke is combusted fully in the combustion stove, the generation of the black smoke is prevented, and the environment-friendly effect of garbage treatment of the gasification furnace is achieved, and can directly treat wet garbage with higher water content. In other embodiments, the inner burner blower 312 may be directly connected to the first distribution chamber 314, and the fuel gas and the combustion-supporting oxygen may be mixed in the first distribution chamber.

In this embodiment, the number of the flame pressing plates 325 is preferably two, and the flame pressing plates are a first flame pressing plate 3251 and a second flame pressing plate 3252 in sequence along the flame direction, and the radial dimension of the first flame pressing plate 3251 is smaller than that of the second flame pressing plate 3252; the central area of the first ignition plate 3251 is a closed plate body, and the through holes are uniformly distributed in the peripheral area of the first ignition plate 3251; the second fire pressing plate 3252 is provided with through holes uniformly distributed from the central region to the peripheral region. First pressure fire dish lets gas and combustion-supporting oxygen take place turbulent intensive mixing, helps the gas intensive combustion, prevents the production of black cigarette, and the second is pressed fire dish and can be increased the diameter of burning flame, reduces the height of flame, when the burning kitchen matches the boiler use, can increase heat transfer area. First pressure fire dish 3251's radial dimension is big than the radial dimension of interior kitchen 31, first pressure fire dish 3251's the position that sets up can select according to the position in air feed hole, if the air feed hole sets up the top that highly is higher than interior kitchen, then first pressure fire dish 3251 is more far away from interior kitchen, be at the kitchen range oxygen suppliment in the outer kitchen 32 this moment, outer kitchen range core 320 can set up higher, also can make the step shape, upper portion combustion area radial dimension is less than the radial dimension in second distribution chamber, the air feed hole also can set up the kitchen height that is less than interior kitchen, what adopt this moment is the mode of oxygen suppliment in the kitchen, flame blowout height can be reduced to this kind of mode, the heat is more concentrated. Of course, more than two fire pressing plates can be arranged according to actual conditions, so that the mixed combustion stove 3 can be prevented from generating black smoke during combustion during gasification treatment of garbage.

As shown in fig. 3, the air feed hole of the outer kitchen of the hybrid combustion kitchen 3 is arranged into a circle, the air feed hole is provided with a short pipe 326 which is positioned on the radial surface of the outer kitchen stove core 320 and is cantilevered from the center of the radial surface, as shown in fig. 4, the air feed hole of the outer kitchen of the hybrid combustion kitchen 3 is arranged into two circles, and the short pipe 326 which is positioned on the radial surface of the outer kitchen stove core 320 and is cantilevered from the center of the radial surface is arranged on the air feed hole of the circle close to the fire pressing plate 325. The outer stove fan 323 guides combustion-supporting oxygen into the cavity 324, the combustion-supporting oxygen is sprayed into the outer stove core 320 through the air supply hole in the side wall of the outer stove core 320 and the short pipe 326, the short pipe is located on the same radial surface of the outer stove core 320 and inclines in the same direction along the radial surface, so that the combustion-supporting oxygen forms vortex in the outer stove core, the air pressure in the outer stove core can be lower than that in the sub-gasification stove, smoke generated by the sub-gasification stove is sucked into the combustion stove, the cantilever end of the short pipe 326 inclines outwards from the center of the radial surface by an angle of preferably 45 degrees or 135 degrees, experiments prove that the short pipe is under the inclination angle, the combustion effect of the combustion stove is best, and combustion flame is most stable.

As shown in fig. 3, the outer cooking stove shell 321 is an integral structure, or as shown in fig. 4, the outer cooking stove shell 321 includes a cooking range and a cooking range bottom, the outer cooking stove core 320 is disposed in the cooking range, the second gas distribution chamber 327 is disposed at the cooking range bottom, the cooking range and the cooking range bottom are of a split structure, and the cooking range bottom are detachably connected. The detachable connection mode has various modes, such as bolt connection and buckle connection, but the sealing of the connection part needs to be ensured, otherwise, the combustion condition in the stove can be influenced. The gas combustion mainly goes on in the kitchen range core, and the temperature in the kitchen range core is very high, need to change complete set kitchen equipment after in order to avoid burning the kitchen damage, sets up split type at the bottom of kitchen range and the kitchen range, and the temperature that bears at the bottom of the kitchen range is less than the temperature that the kitchen range bore for can dismantling the connection at the bottom of kitchen range and the kitchen range, and the loss is less, and the life at the bottom of the kitchen range is than the long service life of far more kitchen range, when the kitchen range damages, only need change the kitchen range, has practiced thrift equipment investment.

In this embodiment, the inner stove fan 312 and the outer stove fan 323 are two independent fans, and in other embodiments, the inner stove fan 312 and the outer stove fan 323 may be set to share one fan and respectively communicated to the inner stove core 310 and the outer stove core 320 through parallel pipes. The parallel pipelines are controlled to be communicated or not by opening and closing the valves by arranging the valves on the parallel pipelines.

In this embodiment, the mother gasifier 1 has a smaller volume than the child gasifier 2. Mother's gasification stove starts earlier, drives son gasification stove by mother's gasification stove and starts, and the rubbish moisture content in the mother gasification stove requires more rigorously to after the normal gasification of son gasification stove, can close mother's gasification stove, consequently, the volume of mother's gasification stove as supplementary can design lessly, and son gasification stove is as the main treatment equipment of refuse treatment, and its volume design is great, and refuse treatment efficiency is higher.

In this embodiment, the gas distribution device 21 of the sub-gasifier 2 is arranged at the bottom of the sub-gasifier, the gas distribution device 21 of the sub-gasifier comprises a side gas distribution assembly 210 and a bottom gas distribution assembly 211, the side gas distribution assembly 210 and the bottom gas distribution assembly 211 are both communicated with the fan 20 of the sub-gasifier 2, the side gas distribution assembly 210 is in an inverted frustum shape, at least one circle of gas distribution holes are distributed on the conical surface of the side gas distribution assembly 210, preferably, the gas distribution holes are arranged in two circles, the number of each circle of gas distribution holes is selected according to the actual diameter of the gasifier, the fan provides combustion-supporting oxygen to enter the annular space between the side gas distribution assembly 210 and the shell of the sub-gasifier 2, and then combustion-supporting gas enters the sub-gasifier 2 from the gas distribution holes on the; the bottom gas distribution assembly 211 is arranged at the bottom of the inverted frustum of the side gas distribution assembly 210, a dust storage part is arranged below the bottom gas distribution assembly 211, a dust discharging and discharging door is arranged at the dust storage part, the bottom gas distribution assembly 211 comprises a gas distribution main pipe and a plurality of gas distribution pipes communicated with the gas distribution main pipe, and a plurality of gas distribution holes are arranged on the gas distribution pipes at intervals. The bottom gas distribution assembly 211 is arranged at the bottom of the inverted frustum of the side gas distribution assembly 210, a dust storage part is arranged below the bottom gas distribution assembly 211, a dust discharging and discharging door is arranged at the dust storage part, the bottom gas distribution assembly 211 comprises a gas distribution main pipe and a plurality of gas distribution exhaust pipes communicated with the gas distribution main pipe, a plurality of gas distribution holes are distributed in the gas distribution exhaust pipes at intervals, a fan is connected with the gas distribution main pipe, combustion-supporting gas enters each gas distribution exhaust pipe through the gas distribution main pipe, and the combustion-supporting gas enters the inside of the sub-gasification furnace through the gas distribution holes in the gas distribution exhaust. Through the gas distribution mode of the side gas distribution hopper and the bottom gas distribution plate, the combustion-supporting air is distributed more uniformly in the sub-gasification furnace, and the garbage gasification at each position in the sub-gasification furnace is favorably and uniformly carried out.

As shown in fig. 1, in this embodiment, a water adding device 22 is further provided at the bottom of the sub-gasification furnace 2. The water adding device 22 is installed on the outer shell of the sub-gasification furnace 2 and communicated to the inside of the sub-gasification furnace 2 through a connecting pipe, and a valve is arranged on the connecting pipe. After water is added into the sub-gasification furnace, the water is quickly changed into high-temperature steam which is used as a steam gasification agent to enable garbage carbides to generate gasification reaction, the garbage gasification speed is accelerated, the air gasification amount is reduced, the gasification treatment speed is accelerated by about 20%, the heat value of fuel gas is improved, and the content of H2 in the fuel gas is increased from about 5% to 10-25%.

In this embodiment, the gas distribution device 11 of the primary furnace may be the same as the gas distribution device at the bottom of the secondary gasifier 2, but because the primary gasifier 1 has a smaller volume, the side gas distribution hopper structure may be omitted, i.e. the primary gasifier 1 is provided with the primary furnace gas distribution device 11 at the bottom, the primary furnace gas distribution device 11 includes a gas distribution main pipe and a plurality of gas distribution calandries communicated with the gas distribution main pipe, the gas distribution main pipe is connected with the fan 10 of the primary gasifier 1, and the combustion-supporting oxygen enters into each gas distribution calandria through the gas distribution main pipe and enters into the primary gasifier through the gas distribution holes on the gas distribution calandria. An ash storage part is arranged below the gas distribution device 11 of the primary furnace, an ash discharge and discharge door is arranged at the ash storage part, and a plurality of gas distribution holes are distributed on the gas distribution pipes at intervals.

As shown in fig. 1, in the present embodiment, the gas outlet pipe 14 of the parent gasification furnace 1 and the inner-range gas inlet pipe 311 of the hybrid combustion range 3 are both horizontally installed and communicated, and the gas outlet pipe 25 of the child gasification furnace 2 and the outer-range gas inlet pipe 322 of the hybrid combustion range 3 are both horizontally installed and communicated; at the moment, a dirt collecting device is not required to be arranged below the gas pipe, and trace tar-containing wastewater generated in the gas pipe automatically flows back to the gasification furnace.

As shown in fig. 2, in another embodiment, the gas outlet pipe 14 of the mother gasification furnace 1 includes a first section connected to the horizontal installation and a second section bent downward, the second section is communicated with the gas inlet pipe 311 of the inner stove of the hybrid combustion stove 3, the sewage collecting device 15 is connected below the second section for receiving the trace amount of tar-containing wastewater separated out by gas, the gas outlet pipe 25 of the sub gasification furnace 2 includes a first section connected to the horizontal installation and a second section bent downward, the second section is communicated with the gas inlet pipe 322 of the outer stove of the hybrid combustion stove 3, and the sewage collecting device 26 is connected below the second section for receiving the trace amount of tar-containing wastewater separated out by gas.

In this embodiment, the inner walls of the mother gasification furnace 1 and the child gasification furnace 2 are both provided with heat insulating layers. The waste gasification needs to be carried out in a high-temperature environment, the inner wall of the gasification furnace is provided with a refractory material layer, heat loss can be reduced, higher temperature can be kept in the gasification furnace, gasification after wet waste is dried is facilitated, and the utilization efficiency of heat is improved. Meanwhile, because the gasification temperature in the mother gasification furnace 1 and the sub-gasification furnace 2 is high, the inner walls of the mother gasification furnace 1 and the sub-gasification furnace 2 are provided with refractory material layers.

In this embodiment, gas guide assemblies are arranged in the mother gasification furnace and the sub-gasification furnace corresponding to the gas outlet positions, the gas guide assemblies are preferably annular plates, the annular plates and the gasification furnace shell form an annular space, a plurality of gas guide holes or gas guide slits are arranged on the annular plates and used for guiding generated gas into the connecting pipe through the gas guide assemblies, and the gas outlet positions are preferably arranged in the middle of the mother gasification furnace and the sub-gasification furnace, so that the distance difference between gas outflow paths is small no matter how high the garbage in the gasification furnace is filled.

In this embodiment, the shell of the mother gasifier 1 is provided with a vibration motor 12 for vibrating the material to fall, and the shell of the child gasifier 2 is provided with a vibration motor 23 for vibrating the material to fall. In other embodiments, the mother gasifier 1 is provided with a material pressing rod inside, and the child gasifier 2 is provided with a material pressing rod inside. The material pressing rod can rotate under the driving of the driving device, so that the material pressing rod can move up and down in the gasification furnace, and the garbage in the gasification furnace is pressed down. And opening a feeding cover at the top of the gasification furnace, loading the garbage into the gasification furnace, after loading is completed, covering the feeding cover, and performing water sealing on the feeding cover and the gasification furnace body by adopting a water tank to prevent gasified gas from leaking.

In this embodiment, the gas outlet pipes of the sub-gasifier 2 and the mother gasifier 1 are both provided with access covers. The access cover is provided to facilitate repair and maintenance of the gasification furnace and the connection pipe. And a water tank is also adopted between the access cover and the connecting pipe for water sealing, so that the leakage of gasified gas is prevented.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A garbage gasification primary-secondary furnace device with an upward flame-spraying combustion stove, which is characterized in that,

comprises a mother gasification furnace (1), a son gasification furnace (2) and a mixed combustion stove (3),

the utility model provides a gas stove, including the hybrid combustion kitchen (3), including interior kitchen (31) and outer kitchen (32), interior kitchen (31) set up in outer kitchen (32) are inside, interior kitchen gas inlet pipe (311) intercommunication of interior kitchen (31) the gas outlet pipe (14) of mother gasification stove (1), the outer kitchen gas inlet pipe (322) intercommunication of outer kitchen (32) the gas outlet pipe (25) of sub-gasification stove (2), the flame outlet of interior kitchen (31) is along vertical seting up, the flame outlet of outer kitchen (32) is along vertical seting up.

2. The waste gasification primary and secondary furnace device with the upward flaming combustion stove according to claim 1,

the inner stove (31) comprises an inner stove core (310) and an inner stove fan (312), a first air distribution chamber (314) is arranged inside the inner stove core (310), air distribution holes are formed in the circumferential side wall of the first air distribution chamber (314), the inner stove gas inlet pipe (311) is communicated to the first air distribution chamber (314), the inner stove fan (312) is communicated to the inner stove gas inlet pipe (311), the inner stove gas inlet pipe (311) narrows towards the first air distribution chamber (314) so that air flows into the first air distribution chamber (314), and a fire pressing cover (313) is arranged at the upper end of the first air distribution chamber (314).

3. The waste gasification primary and secondary furnace device with the upward flaming combustion stove according to claim 2,

the central area of the fire pressing cover (313) is a closed plate body, and through holes are uniformly distributed in the peripheral area of the fire pressing cover (313).

4. The waste gasification primary and secondary furnace equipment with the upward flaming combustion range according to claim 1 or 2,

the outer stove (32) comprises an outer stove core (320), an outer stove shell (321) and an outer stove fan (323), the outer stove core (320) is located inside the outer stove shell (321) and a cavity (324) is formed between the outer stove core (320) and the outer stove shell (321), the side wall of the outer stove core (320) is provided with at least one circle of air supply holes distributed at intervals, the outer stove fan (323) is communicated to the cavity (324), a second air distribution chamber (327) is formed between the outer stove (32) and the inner stove (31), an air distribution opening is formed in the upper end of the second air distribution chamber (327), an outer stove gas inlet pipe (322) is communicated to the second air distribution chamber (327), and at least one fire pressing disc (325) is arranged inside the outer stove (32) and located in the downstream of the air supply hole in the air flow direction.

5. The waste gasification primary and secondary furnace device with the upward flaming combustion stove according to claim 4,

the two fire suppression plates (325) are sequentially a first fire suppression plate (3251) and a second fire suppression plate (3252) along the flame direction, and the radial size of the first fire suppression plate (3251) is smaller than that of the second fire suppression plate (3252).

6. The waste gasification primary and secondary furnace device with the upward flaming combustion stove according to claim 5,

the central area of the first fire pressing disc (3251) is a closed plate body, and through holes are uniformly distributed in the peripheral area of the first fire pressing disc (3251);

through holes are uniformly distributed on the second fire pressing plate (3252) from the central area to the peripheral area.

7. The waste gasification primary and secondary furnace device with the upward flaming combustion stove according to claim 4,

the air supply hole is arranged into a circle, and the air supply hole is provided with a short pipe (326) which is positioned on the radial surface of the outer stove core (320) and is outwards inclined from the center of the radial surface at the overhanging end.

8. The waste gasification primary and secondary furnace device with the upward flaming combustion stove according to claim 4,

the air feed hole is arranged into two circles, is close to be equipped with on the round air feed hole of pressure fire dish (325) and be located on the radial face of outer kitchen range core (320) and the end of encorbelmenting leans out short pipe (326) by radial face center.

9. The waste gasification primary and secondary furnace device with the upward flaming combustion stove according to claim 4,

the outer stove shell (321) is integrated; or

Outer kitchen range shell (321) are including the kitchen range and the end of a kitchen range, outer kitchen range core (320) are laid in the kitchen range, second gas distribution chamber (327) are laid at the end of a kitchen range, the kitchen range with the end of a kitchen range is split type structure, the kitchen range with the end of a kitchen range is detachable connection.

10. The waste gasification primary and secondary furnace equipment with the upward flaming combustion stove according to any one of claims 5 to 9,

and a fireproof heat-insulating layer is arranged on the shell wall of the outer stove shell (321).

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