CN117053197A - Vertical pyrolysis furnace and method for treating highland garbage - Google Patents
Vertical pyrolysis furnace and method for treating highland garbage Download PDFInfo
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- CN117053197A CN117053197A CN202311041511.3A CN202311041511A CN117053197A CN 117053197 A CN117053197 A CN 117053197A CN 202311041511 A CN202311041511 A CN 202311041511A CN 117053197 A CN117053197 A CN 117053197A
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 139
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007670 refining Methods 0.000 claims description 47
- 238000007790 scraping Methods 0.000 claims description 37
- 239000002893 slag Substances 0.000 claims description 25
- 230000033001 locomotion Effects 0.000 claims description 14
- 239000002699 waste material Substances 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- 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)
Abstract
The invention relates to the technical field of garbage pyrolysis treatment, and particularly discloses a vertical pyrolysis furnace and a method for treating plateau garbage, wherein in the vertical pyrolysis furnace, a first annular fire grate and a second annular fire grate are arranged in a staggered manner along the radial direction of a pyrolysis chamber; the driving component can drive the first annular fire grate/the second annular fire grate contacted with the furnace wall to rotate, so that the garbage contacted with the furnace wall can be driven to roll and contact with the furnace wall along the circumferential direction of the furnace wall, and the furnace wall is heated uniformly in the circumferential direction; the driving part can also drive the first annular fire grate and the second annular fire grate to rotate alternatively, so that garbage contacted with the circular fire grate assembly is driven to roll on the circular fire grate assembly, high-altitude garbage with different heat values is prevented from being fixedly contacted with the circular fire grate assembly, uneven heating of the circular fire grate assembly is prevented, and the service life of the fire grate is reduced.
Description
Technical Field
The invention relates to the technical field of garbage pyrolysis treatment, in particular to a vertical pyrolysis furnace and a method for treating plateau garbage.
Background
Vertical garbage pyrolysis furnaces are a common device for incinerating garbage, but in a plateau environment, the temperature is generally low, so that ice cubes are often bonded in the plateau garbage, the water content of the plateau garbage is generally high, and uneven heat value distribution of the plateau garbage in the pyrolysis furnaces is caused.
In the pyrolysis furnace, the heat value of the highland garbage is unevenly distributed, so that the furnace wall inside the pyrolysis furnace and the fire grate at the bottom are unevenly heated, the service life of the pyrolysis furnace is reduced, and the garbage treatment cost is increased.
Disclosure of Invention
The invention provides a vertical pyrolysis furnace and a method for treating high-altitude garbage, aiming at uniformly heating furnace walls and round fire grate components and prolonging the service lives of the furnace walls and the round fire grate components.
In order to achieve the above purpose, the invention adopts the following technical scheme:
provided is a vertical pyrolysis furnace for treating high-altitude garbage, comprising: the furnace body is provided with the pyrolysis chamber that is used for pyrolysis rubbish in the furnace body, rotationally installs the circular grate subassembly that is used for bearing the weight of rubbish in the pyrolysis chamber, and circular grate subassembly includes: the first annular fire grate and the second annular fire grate are arranged in a staggered manner along the radial direction of the pyrolysis chamber; the driving part can drive the first annular fire grate/the second annular fire grate to rotate so as to drive the garbage to be in rolling contact with the furnace wall; the first annular fire grate and the second annular fire grate can be driven to rotate alternatively, so that garbage contacted with the circular fire grate assembly is driven to roll on the circular fire grate assembly.
Further, the pyrolysis furnace further comprises: a plurality of slag leakage holes are formed on the round fire grate component along the circumferential direction for ash to fall off; the scraping blades are in one-to-one correspondence with the slag leakage holes, are obliquely arranged on the round fire grate, project in the axial direction of the pyrolysis chamber, and can shield the slag leakage holes; the scraping blade is in forward contact with the garbage to prevent the garbage from falling from the slag leakage hole, and the scraping blade is in reverse contact with the garbage to scrape ash and drop from the slag leakage hole.
Further, the driving part includes: the central rotating shaft is fixedly arranged with the first annular fire grate and rotatably arranged with the second annular fire grate; the first driving motor is used for driving the first annular fire grate to rotate; the second driving motor is used for driving the second annular fire grate to rotate; the first annular fire grate and the second annular fire grate are different in installation height on the central rotating shaft, and the width of the scraping blade is smaller than that of the first annular fire grate/the second annular fire grate; the scraping blade on the first annular fire grate is positioned between the two second annular fire grates, and the first annular fire grate and the second annular fire grate can be driven to break up slag clusters by the scraping blade on the first annular fire grate and the second annular fire grate through staggered rotation.
Further, the pyrolysis furnace at least comprises two first annular fire grates and two second annular fire grates, wherein one first annular fire grate is fixedly arranged on the central rotating shaft; further comprises: the three annular supporting tables are rotatably arranged on the annular mounting table and are fixedly connected with a first annular fire grate and two second annular fire grates respectively; the annular lifting platform is arranged below the annular supporting platform in a lifting manner; the ejector rods are arranged below the second annular fire grate and vertically arranged on the annular lifting platform; the annular lifting platform can drive the ejector rod to jack up/put down the second annular fire grate by ascending/descending along the straight line.
Further, the pyrolysis furnace further comprises: the rolling balls are embedded and arranged on the annular mounting table in a rolling manner and are used for rolling contact with the annular supporting table; the annular guide ribs are fixedly arranged on the annular mounting table and can be intermittently matched with the annular supporting table for mounting, and are used for guiding the annular supporting table to rotate on the annular mounting table; the annular racks are respectively arranged on the first annular fire grate and the two second annular fire grates; a drive gear mounted in meshed engagement with the annular rack, comprising: a first driving gear for driving the first annular fire grate to rotate and a second driving gear for driving the second annular fire grate to rotate; the first driving gear is fixedly arranged on an output shaft of the first driving motor; the second driving gear is fixedly arranged on an output shaft of the second driving motor, and the length of the second driving gear extends along the length direction of the top rod.
Further, the pyrolysis furnace further comprises: the feeding port is formed in the end part of the furnace body along the radial direction of the furnace body; the first conveying belt is used for conveying garbage; the refining roller is rotatably arranged at one end of the first conveying belt; the feeding port is arranged on the refining roller along the axial direction of the refining roller and is used for receiving garbage; the third driving motor is in transmission connection with the refining roller and can drive the refining roller to do reciprocating rotation movement with a fixed amplitude so as to shake the garbage in the refining roller; the discharging hole is formed in the refining roller along the axial direction of the refining roller and is used for outputting garbage; the second conveyer belt is arranged below the discharge hole and used for receiving the garbage output by the refining roller and conveying the garbage to the feed hole, and the width of the second conveyer belt is equal to the radius of the pyrolysis chamber.
Further, the width of the discharge port gradually decreases along the radial direction of the refining drum.
Further, be provided with the shutoff subassembly in the below of discharge gate, the shutoff subassembly includes: the two plugging blocks and the telescopic part are slidably arranged below the discharge hole, and the piston rod of the telescopic part can make opposite/separate linear sliding movement of the plugging blocks so as to plug/open the discharge hole.
A method of treating a vertical pyrolysis furnace for high-altitude waste, comprising the steps of: s1, inputting garbage to be pyrolyzed into a refining roller through a first conveying belt; s2, driving the refining roller to do reciprocating rotation movement with a fixed amplitude through a third driving motor so as to shake the garbage in the refining roller; s3, driving the plugging assembly to open the discharge port, enabling the second conveying belt to rotate at a constant speed, and conveying the garbage to the feed port; s4, the first annular fire grate and the second annular fire grate synchronously rotate in the same direction, and garbage is received and spread; s5, pyrolyzing the garbage in a pyrolysis chamber.
Further, in S5, in the initial stage of pyrolysis of the garbage, the first annular fire grate and the second annular fire grate rotate on the same horizontal height and drive the scraping blade to be in forward contact with the garbage; in the middle of garbage pyrolysis, the first annular fire grate and the second annular fire grate rotate on the same horizontal height, and the scraping blade on the first annular fire grate and the scraping blade on the second annular fire grate alternately contact with garbage reversely; in the later stage of garbage pyrolysis, the second annular fire grate rises, and the first annular fire grate and the second annular fire grate rotate to drive the scraping blade to reversely contact with garbage.
The beneficial effects of the invention are as follows: in the invention, the driving component can drive the first annular fire grate/the second annular fire grate contacted with the furnace wall to rotate, so that the garbage contacted with the furnace wall can be driven to roll and contact with the furnace wall along the circumferential direction of the furnace wall, and the furnace wall is heated uniformly in the circumferential direction; the driving part can also drive the first annular fire grate and the second annular fire grate to rotate alternatively, so that garbage contacted with the circular fire grate assembly is driven to roll on the circular fire grate assembly, high-altitude garbage with different heat values is prevented from being fixedly contacted with the circular fire grate assembly, uneven heating of the circular fire grate assembly is prevented, and the service life of the fire grate is reduced.
Drawings
FIG. 1 is a cross-sectional view of the circular grate assembly of example 1 installed in a pyrolysis chamber;
FIG. 2 is a top view of the circular grate assembly provided in example 1;
FIG. 3 is a side view of the doctor blade provided in example 2 mounted to a first annular grate and a second annular grate;
FIG. 4 is a cross-sectional view of the circular grate assembly, annular support table and annular mounting table of example 3 shown in mating engagement;
FIG. 5 is a schematic view of a carrier rod according to example 3 lifting a second endless grate;
FIG. 6 is an enlarged schematic view of FIG. 5 at A;
FIG. 7 is a top view of the second conveyor belt and feed port installation provided in example 3;
FIG. 8 is a schematic installation diagram of the refining drum, the first conveyor belt and the second conveyor belt provided in example 3;
FIG. 9 is an installation side view of the refining drum and plugging provided in example 3;
fig. 10 is a schematic view showing a state of receiving garbage by the second conveyor belt provided in embodiment 3;
wherein, 1, furnace body; 11. a pyrolysis chamber; 12. a feeding port; 21. a first annular grate; 22. a second annular grate; 23. slag leakage holes; 24. a wiper blade; 31. a central spindle; 32. a first driving motor; 33. a second driving motor; 41. an annular support table; 42. an annular mounting table; 421. a ball; 422. annular guide ribs; 43. an annular lifting platform; 44. a push rod; 441. a bearing; 45. an annular rack; 461. a first drive gear; 462. a second drive gear; 47. a hydraulic cylinder; 51. a first conveyor belt; 52. a second conveyor belt; 53. a refining roller; 531. a feed inlet; 532. a discharge port; 54. a third driving motor; 61. a block; 62. a telescopic member; 621. a piston rod; 7. a conical baffle.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
It will be appreciated that the pyrolysis process of waste in the pyrolysis chamber may be broken down into: a heating stage, a partial garbage combustion stage and a garbage complete combustion stage; the method is respectively corresponding to the initial stage of garbage pyrolysis, the middle stage of garbage pyrolysis and the later stage of garbage pyrolysis.
Example 1
Referring to fig. 1 and 2, the present embodiment provides a vertical pyrolysis furnace for treating high-altitude garbage, comprising: the garbage furnace comprises a furnace body 1, wherein a pyrolysis chamber 11 for pyrolyzing garbage is arranged in the furnace body 1, and a round fire grate assembly for bearing the garbage is rotatably arranged in the pyrolysis chamber 11.
Specifically, the circular grate assembly includes: the first annular fire grate 21 and the second annular fire grate 22 are arranged in a staggered manner along the radial direction of the pyrolysis chamber 11, and the first annular fire grate 21 and the second annular fire grate 22 are coaxially arranged.
At the initial stage of garbage pyrolysis, the driving part can drive the first annular grate 21/the second annular grate 22 contacted with the furnace wall to rotate, so that garbage contacted with the furnace wall can be driven to roll and contact with the furnace wall along the circumferential direction of the furnace wall, the furnace wall is uniformly heated in the circumferential direction, uneven heat value distribution of the highland garbage during heating in the pyrolysis chamber 11 is prevented, and the service life of the furnace body 1 is shortened.
The driving part can also drive the first annular fire grate 21 and the second annular fire grate 22 to rotate in a staggered manner so as to drive the garbage contacted with the circular fire grate assembly to roll on the circular fire grate assembly. Through the staggered rotation of the first annular fire grate 21 and the second annular fire grate 22, garbage contacted with the first annular fire grate 21 and the second annular fire grate can be driven to roll on the circular fire grate assembly, so that the plateau garbage with different heat values is prevented from being fixedly contacted with the circular fire grate assembly, uneven heating of the circular fire grate assembly is prevented, and the service life of the fire grate is reduced.
It will be appreciated that in this embodiment, the staggered rotation includes: the first annular fire grate 21 and the second annular fire grate 22 rotate in the same direction and in different directions, so that the first annular fire grate 21 and the second annular fire grate can rotate alternately.
Example 2
Referring to fig. 1-3, in this embodiment, the pyrolysis furnace further comprises: a plurality of slag leakage holes 23 which are formed on the round fire grate component along the circumferential direction for ash to fall off; the scraping blades 24 are in one-to-one correspondence with the slag leakage holes 23, are obliquely arranged on the round fire grate and project in the axial direction of the pyrolysis chamber 11, and the scraping blades 24 can shield the slag leakage holes 23 to prevent the non-pyrolyzed garbage from directly falling out of the pyrolysis chamber 11; the scraping blade 24 is in forward contact with the garbage to prevent the garbage from falling from the slag leakage hole 23, and the scraping blade 24 is in reverse contact with the garbage to scrape ash and drop from the slag leakage hole 23.
In the middle stage of garbage pyrolysis, part of garbage is pyrolyzed, the first annular fire grate 21 and the second annular fire grate 22 are driven to rotate in the same direction through the driving assembly, and part of scraping blades 24 on the first annular fire grate 21/the second annular fire grate 22 can be driven to contact with the garbage in the reverse/forward direction, so that part of scraping blades 24 are driven to carry out ash scraping operation and fall from a slag leakage hole 23; the ash slag which is partially pyrolyzed can be discharged out in time in the middle stage of pyrolysis of the garbage, the slag content in the pyrolysis chamber 11 is reduced, and the pyrolysis efficiency of the garbage is improved.
In the later stage of garbage pyrolysis, garbage is subjected to pyrolysis, the first annular fire grate 21 and the second annular fire grate 22 are driven to rotate in a staggered mode through the driving assembly, and scraping blades 24 on the first annular fire grate 21 and the second annular fire grate 22 can be driven to be in reverse contact with the garbage, so that ash residues which are subjected to pyrolysis are discharged out of the pyrolysis chamber 11.
It will be readily appreciated that the wiper blade 24 is mounted in an inclined manner, and that the two angles between the wiper blade 24 and the circular grate assembly are: the obtuse angle alpha and the acute angle beta drive the open angle end of alpha to move towards the garbage through the rotation of the round fire grate component to be in forward contact, and drive the open angle end of beta to move towards the garbage through the rotation of the round fire grate component to be in reverse contact.
Specifically, the driving part includes: a central rotating shaft 31 fixedly mounted (by means of welding or the like) to the first annular grate 21 and rotatably mounted (by means of bearings 441) to the second annular grate 22; a first driving motor 32 for driving the first endless grate 21 to rotate; a second drive motor 33 for driving the second endless grate 22 in rotation.
It can be understood that the first driving motor 32 is in transmission connection with the central rotating shaft 31 through a gear, and the first annular fire grate 21 can be driven to rotate through the rotation of the output shaft of the first driving motor 32; the second driving motor 33 is also in transmission connection with the second annular fire grate 22 through a gear, and the second annular fire grate 22 can be driven to rotate through the rotation of the output shaft of the second driving motor 33.
It should be noted that the first annular grate 21 and the second annular grate 22 are mounted at different heights on the central rotating shaft 31, and the width of the scraping blade 24 is smaller than the width of the first annular grate 21/the second annular grate 22; in the later stage of garbage pyrolysis, the scraping blade 24 on the first annular grate 21 is positioned between the two second annular grates 22, and the first annular grate 21 and the second annular grate 22 are alternately rotated to drive the scraping blade 24 on the first annular grate 21 and the side wall of the second annular grate to generate shearing force, so that slag clusters can be broken, the incompletely pyrolyzed garbage clusters can be broken, and smooth ash discharging operation can be ensured.
Example 3
Referring to fig. 4 to 6, in the present embodiment, the pyrolysis furnace includes at least two first annular grates 21 and two second annular grates 22, wherein one of the first annular grates 21 is fixedly mounted on the central rotating shaft 31; further comprises: the annular supporting tables 41 and the annular mounting tables 42, the three annular supporting tables 41 are rotatably mounted on the annular mounting tables 42, and the three annular supporting tables 41 are fixedly connected with one first annular fire grate 21 and two second annular fire grates 22 respectively; an annular lifting platform 43 installed under the annular supporting table 41 in a liftable manner; a plurality of push rods 44 are arranged below the second annular fire grate 22 and vertically arranged on the annular lifting platform 43.
In the present embodiment, the annular lifting platform 43 can make lifting/lowering movement along a straight line to drive the ejector rod 44 to jack/lower the second annular grate 22; the installation heights of the first annular fire grate 21 and the second annular fire grate 22 can be switched, the first annular fire grate 21 and the second annular fire grate 22 can be arranged on the same installation height, garbage can be tiled in the initial stage of garbage pyrolysis, and the heating effect in the initial stage of garbage pyrolysis is ensured; the first annular fire grate 21 and the second annular fire grate 22 can be cut and arranged at different mounting heights, so that the slag scraping and slag discharging work in the middle and later stages of garbage pyrolysis can be satisfied.
Specifically, the pyrolysis furnace further comprises: a plurality of balls 421 which are embedded and mounted on the annular mounting table 42 in a rolling manner and are used for being in rolling contact with the annular supporting table 41, so that the annular supporting table 41 rotates on the annular mounting table 42; the annular guide ribs 422 are fixedly arranged on the annular mounting table 42, can be intermittently matched with the annular supporting table 41 for mounting, and are used for guiding the annular supporting table 41 to rotate on the annular mounting table 42.
It should be noted that a bearing 441 for rotatably contacting with the annular supporting table 41 is further installed at the end of the ejector rod 44; a hydraulic cylinder 47 is installed between the annular lift platform 43 and the ground, and the annular lift platform 43 is driven to move up and down by lifting a piston rod 621 of the hydraulic cylinder 47.
The device also comprises a plurality of annular racks 45 which are respectively arranged on the first annular fire grate 21 and the second annular fire grates 22; the driving gear is meshed with the annular rack 45. Further comprises: a first driving gear 461 for driving the first endless grate 21 to rotate and a second driving gear 462 for driving the second endless grate 22 to rotate.
It will be appreciated that the first drive gear 461 is fixedly mounted on the output shaft of the first drive motor 32; the second driving gear 462 is fixedly installed on the output shaft of the second driving motor 33, and the first annular grate 21 and the second annular grate 22 can be driven to rotate by rotating the output shafts of the first driving motor 32 and the second driving motor 33.
Of course, the length of the second driving gear 462 extends along the length of the carrier rod 44 to meet the driving requirement of the second endless grate 22 after being lifted.
It is worth mentioning that a number of conical baffles 7 for guiding ash drop are also mounted on the annular support table 41 and between the circular grate assembly.
Referring to fig. 7 to 10, the pyrolysis furnace further includes: a feeding port 12 which is arranged at the end part of the furnace body 1 along the radial direction of the furnace body 1; a first conveyor belt 51 for conveying garbage; a refining drum 53 rotatably mounted at one end of the first conveyor belt 51; a feed inlet 531, which is arranged on the refining roller 53 along the axial direction of the refining roller 53 and is used for receiving garbage; the third driving motor 54 is in transmission connection with the refining roller 53 (in the embodiment, through gear transmission connection), and can drive the refining roller 53 to do reciprocating rotation movement with a fixed amplitude, so as to level the garbage in the refining roller 53; a discharge port 532, which is provided on the refining drum 53 along the axial direction of the refining drum 53, for outputting garbage; the second conveying belt 52 is disposed below the discharge hole 532, and is configured to receive the garbage output from the refining drum 53 and convey the garbage to the feed hole 531, and the width of the second conveying belt 52 is equal to the radius of the pyrolysis chamber 11.
Be provided with the shutoff subassembly in the below of discharge gate 532, the shutoff subassembly includes: the two plugging blocks 61 and the telescopic part 62 are slidably installed below the discharge hole 532, and the piston rod 621 of the telescopic part 62 can make opposite/opposite linear sliding movement of the plugging blocks 61 to plug/open the discharge hole 532.
When the garbage leveling device is particularly used, the first conveying belt 51 is used for feeding materials into the refining roller 53 in a staged manner, and the output shaft of the third driving motor 54 is used for driving the refining roller 53 to do reciprocating rotation motion with a fixed amplitude so as to level garbage in the refining roller 53; the piston rod 621 of the telescopic component 62 is driven to make contraction movement to drive the plugging block 61 to make a separated linear sliding movement so as to open the discharge hole 532; the width of the discharge hole 532 is gradually reduced along the radial direction of the refining roller 53, and the garbage in the refining roller 53 uniformly falls down and is flatly paved on the second conveying belt 52 under the action of gravity; the second conveyor belt 52 continues to transport and feed the pyrolysis chamber 11.
It will be appreciated that the feeding opening 12 is formed along the radial direction of the furnace body 1, and the circular fire grate assembly at the bottom of the furnace body 1 performs a rotational motion, so that the garbage falling from the second conveying belt 52 can be laid on the circular fire grate assembly.
In the embodiment, the garbage to be pyrolyzed can be tiled on the circular grate assembly by arranging the refining roller 53 and the second conveying belt 52 between the first conveying belt 51 and the furnace body 1, so that the height uniformity of the garbage in the radial direction of the circular grate assembly is ensured, and the temperature rising uniformity in the initial stage of garbage pyrolysis is effectively ensured. The defect that in the prior art, garbage is directly dumped into the pyrolysis chamber 11 to cause uneven height of the garbage is eliminated.
It should be noted that the telescopic member 62 is an electric telescopic rod, which is fixedly installed, and the piston rod 621 of the electric telescopic rod is fixedly connected to the plugging block 61.
Example 4
In this embodiment, there is provided a method of a vertical pyrolysis furnace for treating high-altitude garbage, comprising the steps of: s1, inputting garbage to be pyrolyzed into a refining roller 53 through a first conveying belt 51; s2, driving the refining roller 53 to do reciprocating rotation movement with a fixed amplitude through a third driving motor 54 so as to shake the garbage in the refining roller 53; s3, driving the plugging assembly to open the discharge hole 532, and enabling the second conveying belt 52 to rotate at a constant speed so as to convey garbage to the feed hole 12; s4, the first annular fire grate 21 and the second annular fire grate 22 synchronously rotate in the same direction, and receive and spread garbage; s5, pyrolyzing the garbage in the pyrolysis chamber 11.
Further, in S5, at the initial stage of pyrolysis of the garbage, the first annular grate 21 and the second annular grate 22 rotate on the same horizontal level, and both drive the wiper blade 24 to make forward contact with the garbage; in the middle of garbage pyrolysis, the first annular fire grate 21 and the second annular fire grate 22 rotate on the same horizontal level, and the scraping blades 24 on the first annular fire grate 21 and the scraping blades 24 on the second annular fire grate 22 alternately contact garbage reversely; in the later stage of garbage pyrolysis, the second annular fire grate 22 rises, and the first annular fire grate 21 and the second annular fire grate 22 rotate to drive the scraping blade 24 to reversely contact with garbage.
By using the method, the garbage to be pyrolyzed can be tiled in the pyrolysis chamber 11, so that the height consistency of the garbage in the radial direction of the circular grate assembly is ensured, and the temperature rising uniformity in the initial stage of garbage pyrolysis is effectively ensured; the scraping blades 24 on the first annular grate 21 and the scraping blades 24 on the second annular grate 22 are alternately in reverse contact with the garbage, so that part of the ash residues after pyrolysis can be timely discharged in the middle stage of garbage pyrolysis; the second annular fire grate 22 can be lifted to change the installation height of the first annular fire grate 21, and in the later period of garbage pyrolysis, the first annular fire grate 21 and the second annular fire grate 22 can be rotated in a staggered manner to drive the scraping blades 24 on the first annular fire grate 21 to generate shearing force with the side walls of the second annular fire grate, so that slag clusters can be broken, the garbage clusters which are not completely pyrolyzed can be broken, and smooth ash discharging operation can be ensured.
It will be apparent to those skilled in the art that while preferred embodiments of the present invention have been described, additional variations and modifications may be made to these embodiments once the basic inventive concepts are known to those skilled in the art. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A vertical pyrolysis furnace for treating overhead waste, comprising: the furnace body (1), a pyrolysis chamber (11) for pyrolyzing garbage is arranged in the furnace body (1), a round fire grate component for bearing garbage is rotatably arranged in the pyrolysis chamber (11), and the furnace is characterized in that,
the circular grate assembly includes:
the first annular fire grate (21) and the second annular fire grate (22) are arranged in a staggered manner along the radial direction of the pyrolysis chamber (11), wherein the first annular fire grate (21) and the second annular fire grate (22) are coaxially arranged;
the driving part can drive the first annular fire grate (21)/the second annular fire grate (22) to rotate so as to drive the garbage to be in rolling contact with the furnace wall; the first annular fire grate (21) and the second annular fire grate (22) can be driven to rotate alternatively, so that garbage contacted with the circular fire grate assembly is driven to roll on the circular fire grate assembly.
2. The vertical pyrolysis furnace for treating overhead waste of claim 1 further comprising:
a plurality of slag leakage holes (23) which are formed on the round fire grate component along the circumferential direction for ash to fall off;
the scraping blades (24) are in one-to-one correspondence with the slag leakage holes (23), are obliquely arranged on the round fire grate, project in the axial direction of the pyrolysis chamber (11), and can shield the slag leakage holes (23);
the scraping blade (24) is in forward contact with the garbage to prevent the garbage from falling from the slag leakage hole (23), and the scraping blade (24) is in reverse contact with the garbage to scrape ash and drop from the slag leakage hole (23).
3. The vertical pyrolysis furnace for treating overhead waste of claim 2 wherein the drive means comprises:
the central rotating shaft (31) is fixedly arranged with the first annular fire grate (21) and rotatably arranged with the second annular fire grate (22);
a first driving motor (32) for driving the first annular fire grate (21) to rotate;
a second driving motor (33) for driving the second annular fire grate (22) to rotate;
the first annular fire grate (21) and the second annular fire grate (22) are arranged on the central rotating shaft (31) at different heights, and the width of the scraping blade (24) is smaller than the width of the first annular fire grate (21)/the second annular fire grate (22); the scraping blade (24) on the first annular fire grate (21) is positioned between the two second annular fire grates (22), and the first annular fire grate (21) and the second annular fire grate (22) can be driven to break up slag clusters by alternately rotating the scraping blade (24) on the first annular fire grate (21) and the second annular fire grate (22).
4. A vertical pyrolysis furnace for treating high-altitude waste according to claim 3, characterized in that it comprises at least two first annular grates (21) and two second annular grates (22), one of the first annular grates (21) being fixedly mounted on the central rotation shaft (31);
further comprises:
the annular supporting tables (41) and the annular mounting tables (42), the three annular supporting tables (41) are rotatably mounted on the annular mounting tables (42), and the three annular supporting tables (41) are fixedly connected with a first annular fire grate (21) and two second annular fire grates (22) respectively;
an annular lifting platform (43) which is arranged below the annular supporting table (41) in a lifting manner;
a plurality of ejector rods (44) are arranged below the second annular fire grate (22) and vertically arranged on the annular lifting platform (43);
the annular lifting platform (43) can drive the ejector rod (44) to jack up/put down the second annular fire grate (22) by ascending/descending along a straight line.
5. The vertical pyrolysis furnace for treating overhead waste of claim 4 further comprising:
a plurality of balls (421) which are embedded and installed on the annular installation table (42) in a rolling way and are used for being in rolling contact with the annular supporting table (41);
the annular guide ribs (422) are fixedly arranged on the annular mounting table (42) and can be intermittently matched with the annular supporting table (41) for mounting, and are used for guiding the annular supporting table (41) to rotate on the annular mounting table (42);
a plurality of annular racks (45) respectively arranged on a first annular fire grate (21) and two second annular fire grates (22);
a drive gear mounted in meshing engagement with an annular rack (45), comprising: a first driving gear (461) for driving the first annular fire grate (21) to rotate and a second driving gear (462) for driving the second annular fire grate (22) to rotate;
the first driving gear (461) is fixedly arranged on an output shaft of the first driving motor (32);
the second driving gear (462) is fixedly mounted on an output shaft of the second driving motor (33), and the length of the second driving gear (462) extends along the length direction of the ejector rod (44).
6. The vertical pyrolysis furnace for treating overhead waste of claim 4 further comprising:
a feeding port (12) which is arranged at the end part of the furnace body (1) along the radial direction of the furnace body (1);
a first conveyor belt (51) for conveying refuse;
a refining roller (53) rotatably mounted at one end of the first conveyor belt (51);
a feed inlet (531) which is arranged on the refining roller (53) along the axial direction of the refining roller (53) and is used for receiving garbage;
the third driving motor (54) is in transmission connection with the refining roller (53) and can drive the refining roller (53) to do reciprocating rotation movement with a fixed amplitude so as to shake the garbage in the refining roller (53);
a discharge hole (532) which is arranged on the refining roller (53) along the axial direction of the refining roller (53) and is used for outputting garbage;
the second conveyer belt (52) is arranged below the discharge hole (532) and is used for receiving the garbage output by the refining roller (53) and conveying the garbage to the feed hole (531), and the width of the second conveyer belt (52) is equal to the radius of the pyrolysis chamber (11).
7. The vertical pyrolysis furnace for disposal of overhead waste according to claim 6, wherein the width of the discharge opening (532) is gradually reduced in the radial direction of the refining drum (53).
8. The vertical pyrolysis furnace for disposal of overhead waste according to claim 6, wherein a plugging assembly is provided below the discharge port (532), the plugging assembly comprising: the two plugging blocks (61) and the telescopic component (62) are slidably arranged below the discharge hole (532), and the piston rod (621) of the telescopic component (62) can make opposite/opposite linear sliding movement of the plugging blocks (61) so as to plug/open the discharge hole (532).
9. A method of a vertical pyrolysis furnace for treating overhead waste based on claim 8, comprising the steps of:
s1, inputting garbage to be pyrolyzed into a refining roller (53) through a first conveying belt (51);
s2, driving the refining roller (53) to do reciprocating rotation movement with fixed amplitude through a third driving motor (54), so as to level garbage in the refining roller (53);
s3, driving the plugging assembly to open a discharge hole (532), and enabling the second conveying belt (52) to rotate at a constant speed so as to convey garbage to the feed hole (12);
s4, the first annular fire grate (21) and the second annular fire grate (22) synchronously rotate in the same direction, and receive and tile garbage;
s5, pyrolyzing the garbage in the pyrolysis chamber (11).
10. The method for treating vertical pyrolysis furnace of high-altitude garbage according to claim 9, wherein in S5, at the initial stage of pyrolysis of garbage, the first annular grate (21) and the second annular grate (22) rotate on the same horizontal level, and each of them drives the wiper blade (24) to make forward contact with the garbage;
in the middle of garbage pyrolysis, the first annular fire grate (21) and the second annular fire grate (22) rotate on the same horizontal level, and scraping blades (24) on the first annular fire grate (21) and scraping blades (24) on the second annular fire grate (22) are alternately in reverse contact with garbage;
in the later stage of garbage pyrolysis, the second annular fire grate (22) rises, and the first annular fire grate (21) and the second annular fire grate (22) rotate to drive the scraping blade (24) to reversely contact with garbage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311041511.3A CN117053197A (en) | 2023-08-17 | 2023-08-17 | Vertical pyrolysis furnace and method for treating highland garbage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311041511.3A CN117053197A (en) | 2023-08-17 | 2023-08-17 | Vertical pyrolysis furnace and method for treating highland garbage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847529A (en) * | 2024-03-08 | 2024-04-09 | 中鹏未来有限公司 | Household garbage recycling and treating integrated system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847529A (en) * | 2024-03-08 | 2024-04-09 | 中鹏未来有限公司 | Household garbage recycling and treating integrated system |
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