Cracking gasification furnace
阅读说明:本技术 裂解气化炉 (Cracking gasification furnace ) 是由 李玮 严鑫 孙岐君 徐涛 滕安超 于 2019-12-09 设计创作,主要内容包括:本申请公开了一种裂解气化炉,包括:基础底座;炉体,固定在基础底座上;灰盘,设置在炉体底部,能够相对炉体转动;炉栅,位于炉体下部,且与灰盘固定,炉栅下部四周或底部四周具有一圈炉渣溜板,炉渣溜板上具有破渣齿,炉栅顶部安装有转轴,转轴的侧壁绕自身轴线设置有多个均料齿,灰盘用于装载冷却液,冷却液的液面高过炉体的下端面。本申请裂解气化炉的灰盘转动时带动炉栅一起转动,即带动炉渣溜板一起转动,因为炉渣溜板上设置有破渣齿,这样在旋转过程中,可以有效的将混合垃圾高温裂解气化后结渣的炉渣破开形成细碎的炉渣进入灰盘的冷却液中。本申请的裂解气化炉特别适用于黏度较高的混合垃圾,比如餐饮、厨余和地沟油分选出的固渣。(The application discloses pyrolysis gasifier includes: a base; the furnace body is fixed on the base; the ash tray is arranged at the bottom of the furnace body and can rotate relative to the furnace body; the furnace bar is located the furnace body lower part, and is fixed with the ash pan, and the furnace bar lower part has the round slag carriage apron all around or bottom all around, has broken sediment tooth on the slag carriage apron, and the pivot is installed at the furnace bar top, and the lateral wall of pivot is provided with a plurality of homocline teeth around self axis, and the ash pan is used for loading the coolant liquid, and the liquid level of coolant liquid is higher than the lower terminal surface of furnace body. The ash tray of this application schizolysis gasifier drives the grate and rotates together when rotating, drives the slag carriage apron promptly and rotates together, because be provided with broken sediment tooth on the slag carriage apron, like this at rotatory in-process, can be effectual with the slag-bonding behind the gasification of mixed rubbish pyrolysis break open the slag that forms the slag in small pieces and get into in the coolant liquid of ash tray. The cracking gasification furnace is particularly suitable for mixed garbage with high viscosity, such as solid slag separated from catering, kitchen waste and illegal cooking oil.)
1. A pyrolysis gasifier, comprising:
a base;
the furnace body is fixed on the base through a bracket;
the ash tray is arranged at the bottom of the furnace body and can rotate relative to the furnace body, and the lower end of the furnace body is positioned in the ash tray;
the grate is located the furnace body lower part, and with the ash tray is fixed, and the grate lower part has the round slag carriage apron all around or bottom all around, broken sediment tooth has on the slag carriage apron, the pivot is installed at the grate top, the lateral wall of pivot is provided with a plurality of homogenization teeth around self axis, the ash tray is used for loading the coolant liquid, the lower terminal surface of furnace body is exceeded to the liquid level of coolant liquid.
2. The pyrolysis gasifier of claim 1, further comprising an ash removal knife fixed on the outer side wall of the furnace body, wherein the lower end of the ash removal knife extends to the bottom wall of the ash tray, and the side end of the ash removal knife is adjacent to the inner side wall of the ash tray; the furnace body includes inside wall, lateral wall and sets up the water jacket between inner wall and outer wall, the lower part of the inside wall of furnace body is provided with the flame retardant coating.
3. The pyrolysis gasifier of claim 1, wherein the upper portion of the furnace body side wall has a feed inlet; the upper port of the furnace body is rotatably provided with a rotating frame, the feed inlet is aligned to the rotating frame, and the rotating frame is provided with a material shifting tooth around the axis of the rotating frame.
4. The pyrolysis gasifier of claim 3, wherein the rotating frame comprises an inverted cone-shaped body in contact with the material, and the material-ejecting teeth are disposed on the body and are disposed obliquely downward.
5. The pyrolysis gasifier of claim 4, wherein the leveling teeth have multiple layers, the leveling teeth of each layer are uniformly distributed around the axis of the rotating shaft, and two adjacent layers of the leveling teeth are arranged in a staggered manner;
the material shifting teeth are provided with a plurality of groups which are distributed up and down, the material shifting teeth of each group are uniformly distributed around the axis of the furnace body, and the distance between the material shifting teeth of the upper group and the inner side wall of the furnace body is smaller than the distance between the material shifting teeth of the lower group and the inner side wall of the furnace body.
6. The pyrolysis gasifier of claim 3, wherein the outer side wall of the upper end of the furnace body is provided with a support plate connected with a bracket, the pyrolysis gasifier further comprises an upper driving structure and a lower driving structure, the upper driving structure is used for driving the rotating frame to rotate, and the lower driving structure is used for driving the ash tray to rotate;
the drive structures each include:
the first annular blocking block of the driving structure positioned above is fixed with the supporting plate, and the first annular blocking block of the driving structure positioned below is fixed with the base;
the second annular blocking block is positioned on the inner side corresponding to the first annular blocking block, the first annular blocking block and the second annular blocking block have the same axis, and form an annular space, wherein the second annular blocking block of the driving structure positioned above is fixed with the rotating frame, and the second annular blocking block of the driving structure positioned below is fixed with the ash tray;
a plurality of rolling members installed in the annular space, wherein the rolling member of the driving structure positioned above is used for supporting the rotating frame, and the rolling member of the driving structure positioned below is used for supporting the ash tray;
the ratchet wheel of the driving structure positioned above is arranged on the periphery of the rotating frame, and the ratchet wheel of the driving structure positioned below is arranged on the periphery of the ash tray;
and the driving mechanism is used for driving the corresponding ratchet wheel to rotate.
7. The pyrolysis gasifier of claim 6, wherein the support plate is provided with a water-sealed groove, and a lower end of the first annular catch of the upper driving structure extends into the water-sealed groove.
8. The pyrolysis gasifier of claim 6, wherein the drive mechanism comprises:
the telescopic element is rotatably arranged on the outer side of the ratchet wheel and comprises a telescopic push rod, one end of the push rod is used for being matched with teeth of the ratchet wheel when the push rod extends out to push the ratchet wheel to rotate, and a matching shaft is rotatably arranged at one end, matched with the ratchet wheel, of the push rod;
the directional guide rail of the driving structure positioned above is relatively fixed with the supporting plate, and the directional guide rail of the driving structure positioned below is relatively fixed with the base;
the guide rod is arranged on the directional guide rail in a sliding mode, one end, close to the ratchet wheel, of the guide rod is hinged to the push rod, and the guide rod is used for changing the angle of the push rod when the push rod stretches.
9. The pyrolysis gasifier as claimed in claim 1, wherein the inside wall of the furnace body is provided with a material stopper, the material stopper comprises a material sliding portion with one end fixed to the inside wall of the furnace body and the other end inclined downward, and a vertical portion with the upper end connected with the lower end of the material sliding portion, the material stopper and the inside wall of the furnace body form an air passage, the side wall of the furnace body is further provided with a combustible gas outlet and a concentrated solution injection port, the combustible gas outlet is located in the area where the material stopper is located and is communicated with the air passage, and the concentrated solution injection port is located above the material stopper.
10. The pyrolysis gasifier of claim 1, wherein the grate comprises a sealing plate, a fixing support, a shell and a sealing cover which are sequentially arranged from bottom to top, the rotating shaft is fixed on the sealing cover, the lower part of the fixing support is fixed on the ash tray through an annular connecting cylinder, the slag slide carriage is arranged on the outer side wall of the annular connecting cylinder, the sealing plate, the fixing support, the shell and the sealing cover define an air inlet cavity, the lower part of the air inlet cavity is used for air to enter, the shell is of a tower-shaped structure and comprises a plurality of conical tower edges, the side wall of the shell is provided with air outlet holes, and the air outlet holes are formed between two adjacent tower edges.
Technical Field
The invention relates to the field of garbage treatment, in particular to a pyrolysis gasification furnace.
Background
Disclosure of Invention
The invention provides a pyrolysis gasification furnace aiming at the problems.
The technical scheme adopted by the invention is as follows:
a pyrolysis gasifier comprising:
a base;
the furnace body is fixed on the base through a bracket;
the ash tray is arranged at the bottom of the furnace body and can rotate relative to the furnace body, and the lower end of the furnace body is positioned in the ash tray;
the grate is located the furnace body lower part, and with the ash tray is fixed, and the grate lower part has the round slag carriage apron all around or bottom all around, broken sediment tooth has on the slag carriage apron, the pivot is installed at the grate top, the lateral wall of pivot is provided with a plurality of homogenization teeth around self axis, the ash tray is used for loading the coolant liquid, the lower terminal surface of furnace body is exceeded to the liquid level of coolant liquid.
The ash tray of the pyrolysis gasifier drives the grate to rotate together when rotating, namely, the slag slide carriage is driven to rotate together, and because the slag breaking teeth are arranged on the slag slide carriage, the slag which is formed by slagging after the high-temperature pyrolysis gasification of the mixed garbage can be effectively broken to form fine slag to enter the cooling liquid of the ash tray in the rotating process. The cracking gasification furnace is particularly suitable for mixed garbage with high viscosity, such as solid slag separated from catering, kitchen waste and illegal cooking oil.
In practice, the cooling liquid may be water.
In one embodiment of the invention, the furnace body further comprises a dust removing knife fixed on the outer side wall of the furnace body, the lower end of the dust removing knife extends to the bottom wall of the ash tray, and the side end of the dust removing knife is adjacent to the inner side wall of the ash tray; the furnace body includes inside wall, lateral wall and sets up the water jacket between inner wall and outer wall, the lower part of the inside wall of furnace body is provided with the flame retardant coating.
The ash sweeping plate is fixed with the furnace body, so that when the whole ash tray rotates, the ash sweeping plate is static and further moves relatively, the ash sweeping function can be realized, and cooled ash is swept out. The furnace body is provided with the water jacket and the fire-resistant layer, so that the furnace body can be effectively protected.
In one embodiment of the present invention, the upper portion of the sidewall of the furnace body has a feeding port; the upper port of the furnace body is rotatably provided with a rotating frame, the feed inlet is aligned to the rotating frame, and the rotating frame is provided with a material shifting tooth around the axis of the rotating frame.
Thereby it is rotatory to set up can the pivoted swivel mount and can drive and dial the material tooth, and the material gets into the back from the feed inlet like this, can be dialled the material tooth and carry out the homocline earlier, then burn again, so can more abundant burning. In practical application, the feeding mode of the feeding hole is preferably spiral feeding.
In one embodiment of the present invention, the rotating frame includes an inverted cone-shaped body contacting with the material, the material-ejecting teeth are disposed on the body, and the material-ejecting teeth are disposed obliquely downward.
The material shifting teeth have downward inclination angles, so that the material shifting teeth are favorable for the material blanking and homogenizing process, can effectively break up mixed garbage with high viscosity, and can help reliably blank garbage in the cracking gasification process without collapsing, and the structure can effectively homogenize and blank the garbage.
In one embodiment of the invention, the material homogenizing teeth are provided with a plurality of layers, the material homogenizing teeth of each layer are uniformly distributed around the axis of the rotating shaft, and the material homogenizing teeth of two adjacent layers are arranged in a staggered manner;
the material shifting teeth are provided with a plurality of groups which are distributed up and down, the material shifting teeth of each group are uniformly distributed around the axis of the furnace body, and the distance between the material shifting teeth of the upper group and the inner side wall of the furnace body is smaller than the distance between the material shifting teeth of the lower group and the inner side wall of the furnace body.
In practical use, the material homogenizing teeth are preferably two layers, 3 teeth are preferably uniformly distributed on each layer, and the tooth spacing is 120 degrees, so that material homogenizing can be carried out more reliably, and more sufficient combustion can be realized.
In practical use, the rotating frame is cast from high-temperature-resistant materials.
In one embodiment of the invention, the outer side wall of the upper end of the furnace body is provided with a support plate connected with a support, the pyrolysis gasification furnace further comprises an upper group of driving structures and a lower group of driving structures, the driving structure positioned above is used for driving the rotating frame to rotate, and the driving structure positioned below is used for driving the ash tray to rotate;
the drive structures each include:
the first annular blocking block of the driving structure positioned above is fixed with the supporting plate, and the first annular blocking block of the driving structure positioned below is fixed with the base;
the second annular blocking block is positioned on the inner side corresponding to the first annular blocking block, the first annular blocking block and the second annular blocking block have the same axis, and form an annular space, wherein the second annular blocking block of the driving structure positioned above is fixed with the rotating frame, and the second annular blocking block of the driving structure positioned below is fixed with the ash tray;
a plurality of rolling members installed in the annular space, wherein the rolling member of the driving structure positioned above is used for supporting the rotating frame, and the rolling member of the driving structure positioned below is used for supporting the ash tray;
the ratchet wheel of the driving structure positioned above is arranged on the periphery of the rotating frame, and the ratchet wheel of the driving structure positioned below is arranged on the periphery of the ash tray;
and the driving mechanism is used for driving the corresponding ratchet wheel to rotate.
The traditional ash tray and grate of the cracking gasification furnace are arranged in the furnace through a rotating shaft and a bearing, the temperature in the furnace is high, the rotating shaft is easy to deform or the bearing is easy to damage, and the whole ash discharging system is easy to damage. In addition, the diameter of the whole cracking furnace is large, the requirements on the shaft and the bearing are high by adopting a whole shaft rotating mode, the damage is easy to cause in the using process, and the manufacturing and maintenance cost is high. And swivel mount and ash tray all are located on the rolling member that corresponds in this application, and the second annular card keeps off in the inboard that first annular card kept off, has restricted swivel mount and ash tray through first annular card fender to swivel mount and ash tray can be reliable do rotary motion. The whole ash tray and the rotating frame rotate without shafts and bearings, the maintenance difficulty and the manufacturing cost are greatly reduced, the structure is simple and reliable, and the practicability is good.
In practice, the rolling member is in the shape of a sphere or a sphere-like shape.
In practice, the driving mechanism may preferably be hydraulically driven, and other electric liquid, electric drive, gear drive, sprocket drive, etc. may be used.
The driving mechanism drives the ratchet wheel to drive the whole rotating frame to rotate, and the rotating frame and the material shifting teeth rotate, so that the processes of scattering, homogenizing and blanking materials entering the furnace body are realized.
In one embodiment of the present invention, a water-sealed groove is disposed on the supporting plate, and a lower end of the first annular blocking block of the driving structure above the supporting plate extends into the water-sealed groove.
Sealing liquid (such as water) is added into the water seal tank, and the upper end of the furnace body can realize liquid seal through the structure of the rotating frame and the water seal tank, namely the top of the furnace body can be sealed.
In one embodiment of the present invention, the driving mechanism includes:
the telescopic element is rotatably arranged on the outer side of the ratchet wheel and comprises a telescopic push rod, one end of the push rod is used for being matched with teeth of the ratchet wheel when the push rod extends out to push the ratchet wheel to rotate, and a matching shaft is rotatably arranged at one end, matched with the ratchet wheel, of the push rod;
the directional guide rail of the driving structure positioned above is relatively fixed with the supporting plate, and the directional guide rail of the driving structure positioned below is relatively fixed with the base;
the guide rod is arranged on the directional guide rail in a sliding mode, one end, close to the ratchet wheel, of the guide rod is hinged to the push rod, and the guide rod is used for changing the angle of the push rod when the push rod stretches.
The telescopic element pushes the push rod to move, the push rod is in contact with the ratchet wheel and pushes the whole ratchet wheel to rotate under the guiding action of the guide rod, after the position of the telescopic element reaches a designated position, the ratchet wheel just pushes one tooth, at the moment, the telescopic element is controlled to gradually retract the push rod, at the moment, under the action of the guide rod, the push rod is enabled to do not only straight line retraction action, but also rotate for a certain angle under the action of the guide rod and the directional guide rail, and therefore the push rod can be rapidly withdrawn from the ratchet wheel clamping groove. Similarly, the telescopic element can rotate under the action of the guide rod while the push rod moves linearly, so that the linear movement length of the push rod can be controlled, the rotation angle of the push rod can be controlled indirectly, the push rod can be further contacted with the next tooth, and the tooth is further pushed to complete the rotation action.
In practical application, the driving mechanisms are preferably 2 groups, and the two sides of the ratchet wheel are symmetrically distributed. Two actuating mechanism symmetry sets up, and when using simultaneously, the atress can play the balancing act, and then realizes promoting whole grate rotary motion.
When the telescopic element is actually used, the upper driving mechanism also comprises a mounting seat fixed with the supporting plate, and the telescopic element is rotatably mounted on the mounting seat through a rotating shaft; the driving mechanism below the base seat also comprises a mounting seat fixed with the base seat, and the telescopic element is rotatably mounted on the mounting seat through a rotating shaft. In practical application, the telescopic element can be an electric push rod, an air cylinder or a hydraulic cylinder.
In one embodiment of the invention, the material baffle is arranged on the inner side wall of the furnace body, the material baffle comprises a material sliding part with one end fixed with the inner side wall of the furnace body and the other end arranged obliquely downwards, the material baffle further comprises a vertical part with the upper end connected with the lower end of the material sliding part, the material baffle and the inner side wall of the furnace body form an air passage, the side wall of the furnace body is also provided with a combustible gas outlet and a concentrated solution injection port, the combustible gas outlet is positioned in the area where the material baffle is positioned and is communicated with the air passage, and the concentrated solution injection port is positioned above the material baffle.
During the in-service use, the angle of swift current material portion downward sloping is greater than 45, sets up like this and can prevent that the material from piling up at the upper surface of swift current material portion, and swift current material portion, vertical portion and furnace body inside wall have formed the air flue, and the main effect of air flue is to avoid combustible gas outlet can be blockked up or take out a large amount of combustible material rubbish or the granule that the schizolysis finishes not.
The concentrated solution injection port is used for quantitatively injecting concentrated solution formed by the domestic garbage sewage treatment system into the furnace body.
In practical use, the number of the combustible gas outlets, the concentrated solution injection ports and the feed inlets is preferably 2, and the combustible gas outlets, the concentrated solution injection ports and the feed inlets are symmetrically arranged at the same height of the furnace body.
In actual use, the furnace body is also provided with a fuel inlet.
In one embodiment of the invention, the grate comprises a sealing plate, a fixing support, a shell and a sealing cover which are sequentially arranged from bottom to top, the rotating shaft is fixed on the sealing cover, the lower part of the fixing support is fixed on the ash tray through an annular connecting cylinder, the slag slide carriage is arranged on the outer side wall of the annular connecting cylinder, the sealing plate, the fixing support, the shell and the sealing cover enclose an air inlet cavity, the lower part of the air inlet cavity is used for air to enter, the shell is of a tower-shaped structure and comprises a plurality of conical tower edges, the side wall of the shell is provided with air outlet holes, and the air outlet holes are formed between two adjacent tower edges.
The air inlet cavity is isolated from the cooling liquid of the ash tray, and external air passes through the air inlet cavity and finally enters the furnace body from the air outlet hole. The casing is the turriform structure, and the main effect is the support and the sediment that falls of material, and the venthole setting can effectually prevent that the slag from dropping through the venthole between two adjacent tower limits.
The invention has the beneficial effects that: the ash tray of the pyrolysis gasifier drives the grate to rotate together when rotating, namely, the slag slide carriage is driven to rotate together, and because the slag breaking teeth are arranged on the slag slide carriage, the slag which is formed by slagging after the high-temperature pyrolysis gasification of the mixed garbage can be effectively broken to form fine slag to enter the cooling liquid of the ash tray in the rotating process. The cracking gasification furnace is particularly suitable for mixed garbage with high viscosity, such as solid slag separated from catering, kitchen waste and illegal cooking oil.
Description of the drawings:
FIG. 1 is a schematic diagram of a method for disposing urban and rural solid waste by a pyrolysis gasification system;
FIG. 2 is a schematic view of the pyrolysis gasifier;
FIG. 3 is a side view of the ratchet and drive mechanism;
FIG. 4 is a top view of the ratchet and drive mechanism.
The figures are numbered:
1. domestic garbage; 2. kitchen waste; 3. food waste; 4. waste oil; 5. a crusher; 6. a sorting machine; 7. a three-phase oil extraction system; 8. a grease storage tank; 9. a regulating tank; 10. an anaerobic fermentation unit; 11. a material distribution system; 12. a domestic waste sewage treatment system; 13. a bin type biological drying unit; 14. a sorting unit; 15. heavy inorganic matter; 16. a metallic species; 17. screening soil; 18. a light combustible; 19. a pyrolysis gasification system; 20. a purification system; 21. an internal combustion engine generator set; 22. a waste heat boiler; 23. a heat exchanger; 24. a floor heating system; 25. an aeration system; 26. a base; 27. a furnace body; 28. a support; 29. an ash tray; 30. a grate; 31. a slag slide carriage; 32. breaking slag teeth; 33. a rotating shaft; 34. material homogenizing teeth; 35. cooling liquid; 36. a dust removing knife; 37. a refractory layer; 38. a feed inlet; 39. a rotating frame; 40. material shifting teeth; 41. a body; 42. a support plate; 43. a drive structure; 44. a first annular catch; 45. a second annular catch; 46. an annular space; 47. a ratchet wheel; 48. a rolling member; 49. a drive mechanism; 50. water sealing the tank; 51. a telescopic element; 52. a push rod; 53. a mating shaft; 54. a directional guide rail; 55. a guide bar; 56. a mounting seat; 57. a rotating shaft; 58. material blocking; 59. a material sliding part; 60. a vertical portion; 61. an airway; 62. a combustible gas outlet; 63. a concentrate injection port; 64. closing the plate; 65. a fixed mount; 66. a housing; 67. sealing the cover; 68. an annular connecting cylinder; 69. tower edge; 70. and an air outlet.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a method for disposing urban and rural solid waste by using a
1) receiving the household garbage 1, stirring and homogenizing the household garbage 1, filtering out percolate, crushing to obtain a first material to be dried, and conveying the percolate obtained from the household garbage 1 to a household garbage
receiving the
receiving
receiving the
2) the three-phase oil extraction system 7 works to obtain solid slag, grease and a water phase, wherein the solid slag is a fifth material to be dried; the method comprises the following steps of (1) carrying out draining operation on a water phase obtained by a three-phase oil extraction system 7 to obtain a percolate, carrying out draining operation on
3) the first material to be dried, the second material to be dried, the third material to be dried, the fourth material to be dried and the fifth material to be dried enter a bin type
4) the dried mixture in the step 3) enters a
5) conveying the impurity-containing biogas obtained in the step 2) to a
6) the gaseous high-temperature combustible gas is purified by the
The scheme mainly treats urban and rural household garbage 1, and cooperatively treats the
The sorting
During practical use, the three-phase oil extraction system 7 can be an existing oil-water-slag three-phase separator, and divides the entering materials into solid slag (solid phase), oil phase and water phase under the heating state through the centrifugal principle, wherein the solid slag is the fifth material to be dried, the oil phase is grease, the obtained grease is stored in the
The heavy
The
As shown in fig. 1, in the present embodiment, the bin type
The
The method for utilizing the high-temperature flue gas has high thermoelectric utilization rate.
As shown in fig. 1, in this embodiment, the domestic waste
As shown in fig. 1, in the present embodiment, the household garbage 1 and the
In actual use, when the
During practical application, the drying unit can be arranged after crushing according to requirements, further surface water of the
As shown in fig. 1, in this embodiment, the
In this embodiment, in step 3), the total weight of the third material to be dried, the fourth material to be dried and the fifth material to be dried entering the bin-type
In this embodiment, the water content of the material passing through the bin type
As shown in fig. 1, in the present embodiment, when the
As shown in fig. 2, the
a
the
the
the
The
In practice, the cooling
As shown in fig. 2, in the present embodiment, the ash removing device further includes an
The ash-sweeping plate is fixed with the
As shown in FIG. 2, in the present embodiment, the upper portion of the sidewall of the
Thereby it is rotatory to set up can pivoted swivel
As shown in fig. 2, in the present embodiment, the rotating
The
As shown in fig. 2, in the present embodiment, the material-homogenizing teeth 34 have multiple layers, the material-homogenizing teeth 34 in each layer are uniformly distributed around the axis of the rotating shaft 33, and two adjacent layers of material-homogenizing teeth 34 are arranged in a staggered manner;
the
In practical use, the material homogenizing teeth 34 are preferably two layers, each layer is preferably provided with 3 teeth, and the space between the teeth is 120 degrees, so that material homogenizing can be carried out more reliably, and more sufficient combustion can be realized.
In practice, the rotating
As shown in fig. 2, in this embodiment, the outer side wall of the upper end of the
as shown in fig. 2, the driving
the first
a second
a plurality of
a
and the
The
In practice, the rolling
In practice, the
The
As shown in fig. 2, in the present embodiment, a water-sealed
As shown in fig. 2, 3 and 4, in the present embodiment, the
the
an
and the
The
In practice, the
In practical use, the
As shown in fig. 2, in this embodiment, a
In practical use, the downward inclination angle of the material sliding portion 59 is greater than 45 degrees, so that the material can be prevented from being accumulated on the upper surface of the material sliding portion 59, the vertical portion 60 and the inner side wall of the
The concentrated
In practical use, the number of the combustible gas outlets 62, the concentrated
In actual use, the
As shown in fig. 2, in the present embodiment, the
The air inlet cavity is isolated from the cooling
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.