CN220567250U - Updraught vertical pyrolysis gasifier - Google Patents
Updraught vertical pyrolysis gasifier Download PDFInfo
- Publication number
- CN220567250U CN220567250U CN202322278892.9U CN202322278892U CN220567250U CN 220567250 U CN220567250 U CN 220567250U CN 202322278892 U CN202322278892 U CN 202322278892U CN 220567250 U CN220567250 U CN 220567250U
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- slag
- pyrolysis
- furnace body
- grate
- vertical
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 67
- 239000002893 slag Substances 0.000 claims abstract description 50
- 238000002309 gasification Methods 0.000 claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 230000007306 turnover Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 12
- 235000000621 Bidens tripartita Nutrition 0.000 claims description 8
- 240000004082 Bidens tripartita Species 0.000 claims description 8
- 208000006637 fused teeth Diseases 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011365 complex material Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model provides an updraught vertical pyrolysis gasifier, includes the furnace body and is located the slag conveying screw of furnace body bottom, and the furnace body is rubbish pyrolysis gasification district and slag combustion zone from top to bottom in proper order, and rubbish pyrolysis gasification district below is provided with pyrolysis gasification district upset grate, and slag combustion zone below is provided with slag combustion zone upset grate, and the furnace body top is provided with the temporary storehouse of feeding, and top one side of rubbish pyrolysis gasification district is provided with the pyrolysis gas export, and the furnace body lateral wall of slag combustion zone upset grate below is provided with many vertical forced air cooling pipes. The utility model has the advantages that 1. The garbage feeding is safer and more uniformly distributed, and the air in the pyrolysis gasification furnace is effectively prevented from being brought in; 2. the garbage pyrolysis function is more obviously partitioned, the temperature interval is easy to control, and the pyrolysis efficiency and the pyrolysis gas quality are improved; 3. the slag discharging process is continuous, safe cold state slag discharging can be realized, and the labor intensity and the safety risk are reduced.
Description
Technical Field
The utility model relates to the technical field of household garbage treatment, in particular to an updraught vertical pyrolysis gasifier.
Background
In recent years, the problems of resource recovery and environmental protection are increasingly remarkable, the garbage pyrolysis gasification technology can take both requirements into consideration to be rapidly developed, and the pyrolysis gasification can realize partial resource recovery and reutilization on the premise of harmless reduction of garbage, thereby meeting the national policy and time requirements, and generating various gasification furnace types such as fixed horizontal type, vertical type, rotary type and the like, wherein the vertical type pyrolysis gasification furnace is widely focused due to simple operation and outstanding gasification effect; for example, patent CN209782636U discloses a vertical pyrolysis gasifier, which comprises a cleaning device at the top and a fixed connecting device at the bottom, and a filter plate is arranged in the middle, and the design structure is simpler, and the phenomena of blockage and incomplete pyrolysis are easy to occur for complex materials; patent CN105674284a applied for a vertical pyrolysis gasifier, contains two sealing doors, double-roller feeder, and the furnace body shape is the inverted round platform shape of two mouthfuls convergent, and the bottom is provided with out the slag pan, and the top is provided with the exhaust port, divides into dehydration district, pyrolysis district, combustion zone, burnout district according to regional function. The structure does not relate to a rotating part, and garbage has no turning effect;
through research on vertical pyrolysis gasifiers on the market at present, the main difficulties are found in the following aspects: (1) continuous feeding and continuous tapping cannot be achieved; (2) the garbage is in a static state, and the pyrolysis efficiency is low; and (3) the pyrolysis gas has low heat value and low quality.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide an updraught vertical pyrolysis gasifier.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides an updraught vertical pyrolysis gasifier, includes the furnace body and is located the slag conveying screw of furnace body bottom, and the furnace body is rubbish pyrolysis gasification district and slag combustion zone from top to bottom in proper order, and rubbish pyrolysis gasification district below is provided with pyrolysis gasification district upset grate, and slag combustion zone below is provided with slag combustion zone upset grate, and the furnace body top is provided with the temporary storehouse of feeding, and top one side of rubbish pyrolysis gasification district is provided with the pyrolysis gas export, and the furnace body lateral wall of slag combustion zone upset grate below is provided with many vertical forced air cooling pipes.
Further, a burner insertion opening is provided at one side of the slag burning zone.
Further, a flashboard is arranged at the top of the feeding temporary storage bin.
Further, a double-tooth meshing mechanism is arranged at the bottom of the feeding temporary storage bin.
Further, the side wall of the furnace body below the turnover grate of the slag burning zone is funnel-shaped, and a plurality of supporting legs are supported.
Further, the slag conveying screw is arranged obliquely upwards, and the discharging end is provided with a star-shaped slag ash discharging valve.
Through the arrangement, the utility model has the following advantages:
1. the garbage feeding is safer and more uniformly distributed, and the air in the pyrolysis gasification furnace is effectively prevented from being brought in;
2. the garbage pyrolysis function is more obviously partitioned, the temperature interval is easy to control, and the pyrolysis efficiency and the pyrolysis gas quality are improved;
3. the slag discharging process is continuous, safe cold state slag discharging can be realized, and the labor intensity and the safety risk are reduced.
4. The feeding and deslagging are more intelligent, and the automation degree is higher;
5. the structure is simpler, and the modularized production efficiency is higher;
6. the pyrolysis gas has higher quality, and is favorable for the recovery or purification of the rear end.
Drawings
The utility model will now be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
As shown in figure 1, an updraught vertical pyrolysis gasifier comprises a furnace body and a slag conveying screw 9 positioned at the bottom of the furnace body, wherein the furnace body is sequentially provided with a garbage pyrolysis gasification zone 3 and a slag combustion zone from top to bottom, the garbage pyrolysis gasification zone 3 is provided with a thermocouple, a pressure sensor, an oxygen content analyzer and other instrument controls, the lower part of the garbage pyrolysis gasification zone 3 is provided with a pyrolysis gasification zone turnover grate 4, the lower part of the slag combustion zone is provided with a slag combustion zone turnover grate 7, the top of the furnace body is provided with a feeding temporary storage bin, one side of the top of the garbage pyrolysis gasification zone 3 is provided with a pyrolysis gas outlet 5, the side wall of the furnace body below the slag combustion zone turnover grate 7 is provided with a plurality of vertical air cooling pipes 8, the two ends of the pyrolysis gasification zone turnover grate 4 and the slag combustion zone turnover grate 7 are provided with rotating shafts, the special heat-resistant alloy steel is adopted, the grate is connected with a motor by adopting a connecting rod, preferably, the grate is provided with cutter teeth, the crushing of bulk materials can be realized, each grate and the furnace body adopts a quick-connection structure, sealing is asbestos or a Pair block and the like, and the outside is rock wool; the air cooling pipe 8 is of an air cooling structure, the air cooling pipe 8 is a vertical pipe, and is characterized in that the upper part of the vertical pipe is protected by a cone cap and can be ventilated, ash falling is prevented, the corner of the vertical pipe is located on the outer side of the furnace body, a quick-dismantling blind plate is arranged at the bottom of the vertical pipe, and the pipe can be quickly dismantled and can be timely cleared once being blocked.
A burner inserting opening 6 is arranged at one side of the slag combustion zone, the inserting direction of the burner is inclined downwards, the sprayed flame falls on pyrolysis residues to accelerate ignition, the size and the fire of the burner are switched, the proportion of the air-fuel ratio is adjustable, the burner can automatically adjust the heat input according to a feedback signal, and in addition, the inserting angle and the air-fuel ratio of the burner can be adjusted within a certain range; the top of the feeding temporary storage bin is provided with a flashboard 1, the bottom of the feeding temporary storage bin is provided with a double-tooth meshing mechanism 2, the double-tooth meshing mechanism is made of 310s stainless steel, high-temperature deformation is prevented, and more preferably, a water-cooled jacket structure is adopted, so that double-tooth low temperature is kept; the volume of the feeding temporary storage bin is preferably designed to be the material incineration amount for 20 minutes, a linked flashboard 1 is arranged between the feeding temporary storage bin and an engagement device, the engagement device is of a water-cooled jacket structure, the side wall of a furnace body below a slag burning zone overturning grate 7 is of a funnel shape, a plurality of supporting legs are supported, a slag conveying screw 9 is obliquely upwards arranged, a star-shaped slag ash discharging valve 10 is arranged at a discharge end, the slag conveying screw 9 is of a water-cooled screw structure, the screw is preferably of a shaft gradually-closed screw and is obliquely upwards arranged so as to realize the functions of sealing and lifting the discharge hole, a screw conveying motor can feed back torque, and the screw conveying motor automatically overturns when reaching a certain value so as to prevent overload of the motor.
The working principle of the utility model is as follows: specifically, the utility model comprises a feeding temporary storage bin, a pyrolysis furnace main functional area unit, a rotary grate, and a slag cooling temporary storage and slag cooling conveying unit; the feeding temporary storage bin comprises a conical hopper with a flashboard, a double-tooth meshing mechanism 2 is connected below the hopper, the double-tooth meshing mechanism 2 is meshed with each other, garbage is pressed into the pyrolysis gasification furnace through rotation, and meanwhile, the crushing effect is achieved, and in order to prevent the double-tooth meshing mechanism 2 from deforming at a high temperature, a 310 stainless steel material or water-cooling structure is preferably adopted; when the hobbing works, a feeding door above the hopper is closed, so that sealing is ensured; the main functional area unit of the pyrolysis furnace comprises a garbage pyrolysis gasification area 3 and a slag combustion area, wherein the area above the first layer of grate of the garbage pyrolysis gasification area 3 has low oxygen content and high temperature; the turning movement of the turning grate 4 in the pyrolysis gasification zone can realize the turning of garbage, so that the pyrolysis effect is improved; in addition, the furnace slag combustion zone is arranged between the first layer of furnace grate and the second layer of furnace grate, the zone is a pyrolysis carbon residue combustion zone, and carbon residue combustion is realized by controlling the air quantity, so that energy is provided for the upper Fang Rejie; the pyrolysis gasification zone turnover grate 4 and the slag combustion zone turnover grate 7 are of water-cooling structures, wherein the turnover gaps of a first layer of grate (namely the pyrolysis gasification zone turnover grate 4) are larger, the matched ventilation openings are larger, the ash combustion layer is arranged on a second layer of grate (namely the slag combustion zone turnover grate 7), and the ventilation openings and the turnover gaps are smaller; the slag is cooled and temporarily stored at the bottom of the furnace body, and can be cooled by primary air through an air cooling pipe 8, and enters the pyrolysis gasifier after being heated, so that the pyrolysis efficiency is improved; after falling, the slag is conveyed out by a slag conveying screw 9, and the slag conveying screw 9 is a water-cooled slag discharging screw.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.
Claims (6)
1. The utility model provides an upward-sucking vertical pyrolysis gasifier, includes furnace body and is located slag conveying screw (9) of furnace body bottom, and the furnace body is rubbish pyrolysis gasification zone (3) and slag combustion zone from top to bottom in proper order, its characterized in that: the garbage pyrolysis gasification zone (3) below is provided with pyrolysis gasification zone upset grate (4), and the slag burning zone below is provided with slag burning zone upset grate (7), and the furnace body top is provided with the temporary storehouse of feeding, and top one side of garbage pyrolysis gasification zone (3) is provided with pyrolysis gas outlet (5), and the furnace body lateral wall of slag burning zone upset grate (7) below is provided with many vertical forced air cooling pipes (8).
2. An updraft vertical pyrolysis gasifier according to claim 1 wherein: a burner insert opening (6) is arranged at one side of the slag burning zone.
3. An updraft vertical pyrolysis gasifier according to claim 1 wherein: the top of the feeding temporary storage bin is provided with a flashboard (1).
4. An updraft vertical pyrolysis gasifier according to claim 1 wherein: the bottom of the feeding temporary storage bin is provided with a double-tooth meshing mechanism (2).
5. An updraft vertical pyrolysis gasifier according to claim 1 wherein: the side wall of the furnace body below the turnover grate (7) of the slag burning zone is funnel-shaped and is supported with a plurality of supporting legs.
6. An updraft vertical pyrolysis gasifier according to claim 1 wherein: the slag conveying screw (9) is obliquely arranged upwards, and the discharging end is provided with a star-shaped slag ash discharging valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322278892.9U CN220567250U (en) | 2023-08-23 | 2023-08-23 | Updraught vertical pyrolysis gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322278892.9U CN220567250U (en) | 2023-08-23 | 2023-08-23 | Updraught vertical pyrolysis gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220567250U true CN220567250U (en) | 2024-03-08 |
Family
ID=90104224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322278892.9U Active CN220567250U (en) | 2023-08-23 | 2023-08-23 | Updraught vertical pyrolysis gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220567250U (en) |
-
2023
- 2023-08-23 CN CN202322278892.9U patent/CN220567250U/en active Active
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