CN111423907A - Automatic slag removal system of pyrolysis gasifier - Google Patents
Automatic slag removal system of pyrolysis gasifier Download PDFInfo
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- CN111423907A CN111423907A CN202010259607.7A CN202010259607A CN111423907A CN 111423907 A CN111423907 A CN 111423907A CN 202010259607 A CN202010259607 A CN 202010259607A CN 111423907 A CN111423907 A CN 111423907A
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- slag
- basin
- slag removal
- removal system
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1625—Integration of gasification processes with another plant or parts within the plant with solids treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
An automatic slag removal system of a pyrolysis gasifier comprises a furnace body, wherein a slag removal chassis is arranged at the bottom of the furnace body, the slag removal chassis comprises a pot body, a pot seat fixedly connected to the lower end of the pot body, and a grate structure fixedly connected to the inside of the pot body and extending into the pyrolysis gasifier, the pot seat is disc-shaped, a plurality of vertically arranged pin shafts are uniformly distributed on the outer side wall of the basin seat, a rotating mechanism is also arranged at the lower end of the basin seat, a tooth poking device matched with the pin shafts is arranged opposite to the basin seat, the pin shaft is poked by the tooth poking device to enable the basin seat to rotate along the rotating mechanism, slag can enter the basin body through a slag discharge gap formed between the inner wall of the furnace body and the outer wall of the grate structure, and a slag discharging mechanism is also arranged between the outer wall of the furnace body and the edge of the pot body, and slag in the pot body can be discharged through the slag discharging mechanism. The invention has stable work, abrasion resistance and obvious slag removal effect and can avoid the blockage of the chassis outlet.
Description
Technical Field
The invention relates to the field of slag removal of gasification furnaces, in particular to an automatic slag removal system of a pyrolysis gasification furnace.
Background
At present, the quantity of municipal solid waste is increasing day by day, it is urgent to adopt what kind of mode to effectively treat the solid waste, and compared with the original treatment modes such as landfill, burning, etc., the pyrolysis gasification treatment is more and more favored by people with the advantages of small floor area, high harmless conversion rate, small secondary pollution, etc.
The pyrolysis gasification stove then is the indispensable equipment of pyrolysis gasification, and in the pyrolysis process, domestic waste fires the meeting and produces a large amount of slags, and the normal way is discharged through artifical mode, but along with the increase of refuse handling capacity, the slag of production is also more and more, consequently, the drawback of artifical scarfing cinder inefficiency, recruitment with high costs is prominent gradually to because be mingled with a large amount of raise dusts in the slag, consequently artifical scarfing cinder also does not benefit to operating personnel's healthy.
Disclosure of Invention
Aiming at the problems, the invention provides an automatic slag removal system of a pyrolysis gasifier, which has the advantages of stable work, wear resistance, obvious slag removal effect and capability of avoiding the blockage of a chassis outlet, and aims to solve the technical problems explained in the background technology.
In order to achieve the purpose, the specific technical scheme of the invention is as follows: an automatic slag removal system of a pyrolysis gasifier comprises a furnace body, wherein a slag removal chassis is arranged at the bottom of the furnace body, the slag removal chassis comprises a pot body, a pot seat fixedly connected to the lower end of the pot body, and a grate structure fixedly connected to the inside of the pot body and extending into the pyrolysis gasifier, the pot seat is disc-shaped, a plurality of vertically arranged pin shafts are uniformly distributed on the outer side wall of the basin seat, a rotating mechanism is also arranged at the lower end of the basin seat, a tooth poking device matched with the pin shafts is arranged opposite to the basin seat, the pin shaft is poked by the tooth poking device to enable the basin seat to rotate along the rotating mechanism, slag can enter the basin body through a slag discharge gap formed between the inner wall of the furnace body and the outer wall of the grate structure, and a slag discharging mechanism is also arranged between the outer wall of the furnace body and the edge of the pot body, and slag in the pot body can be discharged through the slag discharging mechanism.
The rotating mechanism comprises an annular guide rail arranged at the lower end of the pot body, and the annular guide rail can be matched with the supporting platform with the rollers to enable the pot body to rotate along the central shaft of the pot body.
The outer side wall of the basin seat is provided with an annular groove, the pin shafts are uniformly distributed in the annular groove, and the upper end and the lower end of each pin shaft are respectively in rotating connection with the groove wall of the annular groove.
The tooth shifting device comprises a driving motor which is vertically arranged upwards, a driving plate is horizontally arranged on an output shaft of the driving motor, and a shifting piece is horizontally arranged on the edge of the shifting plate.
Wherein, a channel is reserved in the basin seat, and the air inlet pipeline can be communicated with the grate structure through the channel.
The fire grate structure comprises a base, a pipe cavity which can be communicated with an air inlet pipeline is formed in the base, a trapezoidal tower is arranged on the base, the interior of the trapezoidal tower is of a hollow structure communicated with the pipe cavity and at least comprises three slope surfaces, a plurality of fire grates with gradually increased sizes are uniformly sleeved on the periphery of the trapezoidal tower from top to bottom, a plurality of slag leaking holes are uniformly distributed on each fire grate, and a plurality of air holes penetrating through the slope surfaces are uniformly distributed between every two adjacent fire grates.
The distance between each vent hole and the axis of the trapezoidal tower is smaller than the distance between the slag leaking hole adjacent to the vent hole and the axis of the trapezoidal tower.
Wherein, a plurality of small lime cutters are distributed on the outer wall of the base.
The slag discharging mechanism comprises a large ash knife, the large ash knife is composed of a material blocking plate and an arc discharging groove which is connected to the tail end of the material blocking plate and is in smooth transition, the material blocking plate is obliquely inserted into the basin body, a discharging port of the arc discharging groove extends out of the edge of the basin body, when the basin body rotates, slag in the basin body moves to the arc discharging groove through the material blocking plate and is discharged outwards from the discharging port of the arc discharging groove, and an adjusting mechanism used for adjusting the pitch angle of the arc discharging groove is further connected to the large ash knife.
The adjusting mechanism comprises a case fixed on the outer wall of the furnace body, an adjusting motor is horizontally installed in the case, a first chain wheel is connected to an output shaft of the adjusting motor, a second chain wheel is arranged below the first chain wheel, the second chain wheel is connected with the first chain wheel through chain transmission, a transmission shaft is connected to the second chain wheel, and the transmission shaft penetrates out of the case and is connected with the large ash knife.
Compared with the prior art, the invention has the beneficial effects that:
(1) the slag that produces after the rubbish pyrolysis moves down the row's sediment clearance that forms between the inner wall of pyrolysis gasifier furnace body and the grate structure outer wall under dead weight and the centrifugal force effect of grate structure pivoted, grate structure bold slag lug all around and furnace body relative motion, can grind the bold slag lug breakage, then get into the basin body through little grey sword, the slag that gets into in the basin body is automatic under the effect of slag discharging mechanism is with slag discharge scarfing cinder chassis, consequently, prevent that the slag from piling up the jam sediment export, arrange the sediment effect and show, need not artificial row sediment simultaneously, the cost of labor has been reduced.
(2) Through dialling the round pin axle cooperation of evenly distributed on tooth ware and the basin seat for a large amount of slags and heat that rubbish pyrolysis produced can not construct the influence to the pivoted driving machine of drive basin body, therefore actuating mechanism's wear resistance is good, easy access and maintenance, and is with low costs, long service life.
Drawings
FIG. 1 is a main structure view of an automatic slag removal system of a pyrolysis gasifier according to the present invention;
FIG. 2 is a schematic structural view of a slag removal chassis according to the present invention;
FIG. 3 is a top view of the slag removal pan of the present invention;
FIG. 4 is a schematic structural view of a grate structure according to the present invention;
FIG. 5 is a top view of the grate structure of the present invention;
FIG. 6 is a schematic structural view of a slag discharge mechanism according to the present invention;
FIG. 7 is a schematic structural view of a large lime cutter;
wherein: 1-furnace body, 2-slag removal chassis, 3-pot body, 4-pot seat, 5-grate structure, 6-pin shaft, 7-rotating mechanism, 8-tooth poking device, 9-slag discharging gap, 10-slag discharging mechanism, 11-annular guide rail, 12-roller, 13-supporting table, 14-annular groove, 15-driving motor, 16-driving plate, 17-driving plate, 18-channel, 19-base, 20-pipe cavity, 21-trapezoidal tower, 211-slope surface, 22-fire grate, 23-slag discharging hole, 24-vent hole, 25-small ash knife, 26-large ash knife, 27-baffle plate, 28-arc discharging groove, 29-adjusting mechanism, 30-machine box, 31-adjusting motor, 32-first chain wheel, 33-second chain wheel, 34-chain, 35-transmission shaft.
Detailed Description
The present invention will be further described with reference to the following detailed description and the accompanying drawings, which are included to illustrate and not to limit the present invention.
As shown in fig. 1 to 3, an automatic slag removing system of a pyrolysis gasifier comprises a furnace body 1, wherein a slag removing chassis 2 is arranged at the bottom of the furnace body 1, and is characterized in that the slag removing chassis 2 comprises a basin body 3, a basin seat 4 fixedly connected to the lower end of the basin body 3, and a grate structure 5 fixedly connected to the inside of the basin body 3 and extending into the pyrolysis gasifier, the basin seat 4 is disc-shaped, a plurality of vertically arranged pin shafts 6 are uniformly distributed on the outer side wall of the basin seat 4, a rotating mechanism 7 is further arranged at the lower end of the basin seat 4, a gear shifter 8 matched with the pin shafts 6 is arranged relative to the basin seat 4, the pin shafts 6 are shifted by the gear shifter 8 to enable the basin seat 4 to rotate along the rotating mechanism 7, slag can enter the basin body 3 through a slag removing gap 9 formed between the inner wall of the furnace body 1 and the outer wall of the grate structure 5, a slag discharging mechanism 10 is further arranged between the outer wall of the furnace body 1 and the edge of the pot body 3, and slag in the pot body 3 can be discharged through the slag discharging mechanism 10.
In this embodiment, the slag that produces after the rubbish pyrolysis moves down the row's sediment clearance 9 that forms between the inner wall of pyrolysis gasifier furnace body 1 and the grate structure 5 outer wall under dead weight and the centrifugal force effect that the grate structure 5 pivoted, the bold slag lug around the grate structure 5 and furnace body 1 relative motion, can grind bold slag lug breakage, then get into basin body 3 through little ash sword 25, the slag that gets into in the basin body 3 is automatic with slag discharge scarfing cinder chassis 2 under the effect of slag discharging mechanism 10, consequently, prevent that the slag from piling up and block up the sediment export, arrange the sediment effect and show, need not artificial row of sediment simultaneously, the cost of labor has been reduced. On the other hand, through dialling tooth ware 8 and basin seat 4 on evenly distributed's round pin axle 6 cooperation for a large amount of slags and heat that the rubbish pyrolysis produced can not construct the influence to the pivoted driving machine of drive basin body 3, so actuating mechanism's wear resistance is good, easy access and maintenance, and is with low costs, long service life.
As shown in fig. 2, in particular, the rotating mechanism 7 includes a ring-shaped guide rail 11 disposed at the lower end of the tub 3, and the ring-shaped guide rail 11 can cooperate with a support platform 13 having rollers 12 to rotate the tub 3 along the central axis thereof.
In this embodiment, when the flowerpot is used, the tooth poking device 8 is started, and the tooth poking device 8 sequentially pokes the pin shafts 6 distributed on the flowerpot seat 4, so that the rollers 12 and the annular guide rail 11 which are matched with each other do relative circular motion, and the flowerpot body 3 rotates along the central shaft.
As shown in fig. 2, specifically, an annular groove 14 is formed in the outer side wall of the basin seat 4, the pin shafts 6 are uniformly distributed in the annular groove 14, and the upper end and the lower end of each pin shaft are respectively rotatably connected with the groove wall of the annular groove 14.
In this embodiment, the two ends of the pin 6 are rotatably connected to the groove walls of the annular groove 14, so that the acting force between the pin 6 and the annular groove 14 can be reduced, and the abrasion of the pin 6 can be reduced.
As shown in fig. 2 and 3, specifically, the gear shifter 8 includes a driving motor 15 disposed vertically upward, a dial 16 is horizontally disposed on an output shaft of the driving motor 15, and a dial 17 is horizontally disposed on an edge of the dial 16.
As shown in fig. 2, in particular, a channel 18 is reserved in the basin seat 4, and the air inlet pipeline can be communicated with the grate structure 5 through the channel 18.
As shown in fig. 4 and 5, further, the grate structure 5 includes a base 19, a pipe cavity 20 capable of being communicated with an air inlet pipe is formed in the base 19, a trapezoidal tower 21 is arranged on the base 19, a hollow structure communicated with the pipe cavity 20 is arranged inside the trapezoidal tower 21, and the hollow structure at least includes three slope surfaces 211, a plurality of grates 22 with gradually increased size are uniformly sleeved on the circumference of the trapezoidal tower 21 from top to bottom, a plurality of slag leaking holes 23 are uniformly distributed on each grate 22, and a plurality of vent holes 24 penetrating through the slope surfaces 211 are uniformly distributed between two adjacent grates 22.
Specifically, the distance between each vent hole 24 and the axis of the trapezoidal tower 21 is smaller than the distance between the slag leaking hole 23 adjacent to the vent hole and the axis of the trapezoidal tower 21.
In the embodiment, under the action of the centrifugal force of the rotation of the slag removing chassis 2, slag leaks into the lower grate 22 from the edge of the upper grate 22 or the slag leaking holes 23, and because the vent holes 24 are distributed between the two adjacent grates 22 and the distance between the vent holes 24 and the axial lead of the trapezoidal tower 21 is smaller than the distance between the adjacent slag leaking holes 23 and the axial lead of the trapezoidal tower 21, the grate 22 arranged above the vent holes 24 is equivalent to a baffle plate for blocking the slag at this time, so that the slag leaking from the slag leaking holes 23 cannot directly enter the vent holes 24, thereby effectively avoiding the blockage of the vent holes 24 and being beneficial to the uniform gas distribution of the grate structure 5.
Further, a plurality of small ash knives 25 are distributed on the outer wall of the base 19.
In the present embodiment, the small-sized blades 25 guide the slag to be discharged from the slag discharge gap 9 out of the furnace body 1, thereby further increasing the slag discharge effect.
As shown in fig. 6 and 7, the slag discharging mechanism 10 further includes a large ash knife 26, the large ash knife 26 is composed of a baffle plate 27 and an arc discharge chute 28 connected to the end of the baffle plate 27 and having smooth transition, the baffle plate 27 is obliquely inserted into the tub body 3, a discharge port of the arc discharge chute 28 extends out of the edge of the tub body 3, when the tub body 3 rotates, slag in the tub body 3 moves to the arc discharge chute 28 through the baffle plate 27 and is discharged from the discharge port of the arc discharge chute, and an adjusting mechanism 29 for adjusting a pitch angle of the large ash knife 26 is further connected to the large ash knife 26.
Specifically, the adjusting mechanism 29 includes a case 30 fixed on the outer wall of the furnace body 1, an adjusting motor 31 is horizontally installed in the case 30, an output shaft of the adjusting motor 31 is connected with a first chain wheel 32, a second chain wheel 33 is arranged below the first chain wheel 32, the second chain wheel 33 is in transmission connection with the first chain wheel 32 through a chain 34, a transmission shaft 35 is connected to the second chain wheel 33, and the transmission shaft 35 penetrates out of the case 30 and is connected with the large ash knife 26.
In this embodiment, the output shaft of the adjustment motor 31 rotates to drive the first chain wheel 32 to rotate, so that the first chain wheel 32 drives the second chain wheel 33 to rotate, and the large ash knife 26 rotates along with the second chain wheel 33 because the large ash knife is connected with the second chain wheel 33 through the transmission shaft 35. Therefore, the pitch angle of the large ash knife 26 can be adjusted by controlling the angular displacement of the rotation of the adjusting motor 31. As the slag rotates along with the chassis, when the slag reaches the striker plate 27, the slag moves to the arc-shaped discharge chute 28 through the striker plate 27 and is discharged outwards from the discharge hole of the arc-shaped discharge chute; in addition, when the slag is relatively tight, the driving motor 15 is controlled to rotate forwards or reversely continuously, so that the material baffle plate 27 is continuously shoveled into the slag, and when the large ash knife 26 rotates, the slag shoveled by the material baffle plate 27 slides into the arc-shaped discharge chute 28 along with the material baffle plate 27 and is discharged from the arc-shaped discharge chute 28; meanwhile, the striker plate 27 continuously shovels the slag to loosen the slag in the pot body 3.
Finally, it should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. An automatic slag removal system of a pyrolysis gasifier comprises a furnace body, wherein the bottom of the furnace body is provided with a slag removal chassis, it is characterized in that the slag removing chassis comprises a basin body, a basin seat fixedly connected with the lower end of the basin body and a fire grate structure fixedly connected with the inner part of the basin body and extending into the pyrolysis gasification furnace, the basin seat is disc-shaped, a plurality of vertically arranged pin shafts are uniformly distributed on the outer side wall of the basin seat, a rotating mechanism is also arranged at the lower end of the basin seat, a tooth poking device matched with the pin shafts is arranged opposite to the basin seat, the pin shaft is poked by the tooth poking device to enable the basin seat to rotate along the rotating mechanism, slag can enter the basin body through a slag discharge gap formed between the inner wall of the furnace body and the outer wall of the grate structure, and a slag discharging mechanism is also arranged between the outer wall of the furnace body and the edge of the pot body, and slag in the pot body can be discharged through the slag discharging mechanism.
2. The automatic slag removal system of a pyrolysis gasifier of claim 1, characterized in that: the rotating mechanism comprises an annular guide rail arranged at the lower end of the pot body, and the annular guide rail can be matched with a supporting platform with rollers to enable the pot body to rotate along the central shaft of the pot body.
3. The automatic slag removal system of a pyrolysis gasifier of claim 2, characterized in that: the outer side wall of the basin seat is provided with an annular groove, the pin shafts are uniformly distributed in the annular groove, and the upper end and the lower end of each pin shaft are respectively and rotatably connected with the groove wall of the annular groove.
4. The pyrolysis gasifier automatic slag removal system according to claim 3, wherein: the gear shifting device comprises a driving motor which is vertically arranged upwards, a driving plate is horizontally arranged on an output shaft of the driving motor, and a shifting sheet is horizontally arranged on the edge of the shifting plate.
5. The automatic slag removal system of the pyrolysis gasifier according to any one of claims 1 to 4, wherein: a channel is reserved in the basin seat, and an air inlet pipeline can be communicated with the grate structure through the channel.
6. The automatic slag removal system of a pyrolysis gasifier according to claim 1, wherein the grate structure comprises a base, a pipe cavity which can be communicated with an air inlet pipeline is formed in the base, a trapezoidal tower is arranged on the base, a hollow structure which is communicated with the pipe cavity is arranged inside the trapezoidal tower, the trapezoidal tower at least comprises three slope surfaces, a plurality of grates with gradually increasing sizes are uniformly sleeved on the periphery of the trapezoidal tower from top to bottom, a plurality of slag leaking holes are uniformly distributed on each grate, and a plurality of vent holes which penetrate through the slope surfaces are uniformly distributed between every two adjacent grates.
7. An automatic slag removal system for a pyrolysis gasifier according to claim 6, wherein the distance between each vent hole and the trapezoidal tower axis is smaller than the distance between the slag leaking hole adjacent to the vent hole and the trapezoidal tower axis.
8. The automatic slag removal system of the pyrolysis gasifier according to claim 6 or 7, wherein a plurality of small ash knives are distributed on the outer wall of the base.
9. The automatic slag removal system of the pyrolysis gasifier as claimed in claim 1, wherein the slag removal mechanism comprises a large ash knife, the large ash knife is composed of a baffle plate and an arc-shaped discharge chute which is connected to the tail end of the baffle plate and is in smooth transition, the baffle plate is obliquely inserted into the basin body, a discharge port of the arc-shaped discharge chute extends out of the edge of the basin body, when the basin body rotates, slag in the basin body moves to the arc-shaped discharge chute through the baffle plate and is discharged outwards from the discharge port of the arc-shaped discharge chute, and the large ash knife is further connected with an adjusting mechanism for adjusting a pitch angle of the large ash knife.
10. The automatic slag removal system of a pyrolysis gasifier according to claim 9, wherein the adjusting mechanism comprises a case fixed on the outer wall of the furnace body, an adjusting motor is horizontally installed in the case, a first chain wheel is connected to an output shaft of the adjusting motor, a second chain wheel is arranged below the first chain wheel, the second chain wheel is connected with the first chain wheel through a chain in a transmission manner, a transmission shaft is connected to the second chain wheel, and the transmission shaft penetrates out of the case and is connected with the large ash knife.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010259607.7A CN111423907B (en) | 2020-04-03 | 2020-04-03 | Automatic slag removal system of pyrolysis gasifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010259607.7A CN111423907B (en) | 2020-04-03 | 2020-04-03 | Automatic slag removal system of pyrolysis gasifier |
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| CN111423907A true CN111423907A (en) | 2020-07-17 |
| CN111423907B CN111423907B (en) | 2021-08-13 |
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| CN111423907B (en) | 2021-08-13 |
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