CN111207263A - Spiral anti-blocking device of underground coal gasification exhaust pipeline - Google Patents
Spiral anti-blocking device of underground coal gasification exhaust pipeline Download PDFInfo
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- CN111207263A CN111207263A CN202010011794.7A CN202010011794A CN111207263A CN 111207263 A CN111207263 A CN 111207263A CN 202010011794 A CN202010011794 A CN 202010011794A CN 111207263 A CN111207263 A CN 111207263A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
- F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
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- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The spiral anti-blocking device of the underground coal gasification exhaust pipeline comprises a fixed platform, a heating power supply, a speed reducing motor, a speed changer, a transmission device, a waste storage box and a spiral heating plate, a power shaft of the speed reducing motor is in transmission connection with a power input shaft of the speed changer, a power output shaft of the speed changer is in transmission connection with the power input shaft of the transmission device, a power output inner shaft and a power output outer shaft are arranged in the transmission device, the power input shaft of the transmission device is in transmission connection with the power output inner shaft and the power output outer shaft respectively through a gear mechanism, the spiral heating plate is fixedly connected to the lower end of the power output inner shaft, at least one heating resistance wire is embedded in the spiral heating plate, a spiral conveying guide groove is formed in the edge of the. The invention can continuously scrape and clean the inner wall of the exhaust pipeline, heat the raw coke oven gas to gasify and crack the coke oven gas and improve the exhaust efficiency.
Description
Technical Field
The invention relates to the technical field of underground coal gasification, in particular to a spiral anti-blocking device of an underground coal gasification exhaust pipeline.
Background
Underground coal gasification is a process in which coal located underground is burned in a controlled manner and combustible gas is produced by the thermal and chemical action of the coal. The underground gasified gas can be used as fuel gas for direct civil use and power generation, and can also be used for extracting pure hydrogen or used as raw material gas of synthetic oil, dimethyl ether, ammonia and methanol. Therefore, the underground coal gasification technology has better economic benefit and environmental benefit, greatly improves the utilization rate and utilization level of coal resources, and is an important research and development direction of clean coal technology in China.
In the coal gasification process, the raw gas generated at the exhaust port contains 3% -4% of tar, and the tar is easy to adsorb particles such as ash and the like on the exhaust passage due to high viscosity. Along with the long-time operation of exhaust, the residue on the exhaust passage is more and more accumulated, which can cause the exhaust hole to be blocked, thus the removal of the raw coke oven gas is blocked, and the normal operation of the coal gasification process is influenced. In addition, substances such as tar adsorbed on the channel are corrosive, which may cause damage to the pipeline and affect the service life. Therefore, in the process of coal gasification, the anti-blocking measures for the exhaust pipeline are very necessary.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The invention aims to provide a spiral anti-blocking device of an underground coal gasification exhaust pipeline, which can continuously scrape and clean the inner wall of the exhaust pipeline, heat raw gas to gasify and crack coke tar and improve exhaust efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a spiral anti-blocking device of an underground coal gasification exhaust pipeline comprises a fixed platform, a heating power supply, a speed reducing motor, a speed changer, a transmission device, a waste storage box and a spiral heating plate, wherein the fixed platform is arranged on the ground of one side of the exhaust pipeline extending out of a ground section, the upper end of the exhaust pipeline is open, an exhaust branch pipe is arranged on the side wall of the part of the exhaust pipeline extending out of the ground, the heating power supply, the speed reducing motor and the speed changer are fixedly arranged on the upper surface of the fixed platform, the upper end of the exhaust pipeline is fixedly connected with a sealing cover, the transmission device is arranged on the sealing cover, a power shaft of the speed reducing motor is in transmission connection with a power input shaft of the speed changer, a power output shaft of the speed changer is in transmission connection with a power input shaft of the transmission device, a vertically arranged power output, the power input shaft of the transmission device is respectively connected with the power output inner shaft and the power output outer shaft in a transmission way through a gear mechanism, the rotating directions of the power output inner shaft and the power output outer shaft are opposite, the lower ends of the power output inner shaft and the power output outer shaft both penetrate through the sealing cover and extend into the exhaust pipeline, the lower end of the power output inner shaft extends out of the lower end of the power output outer shaft, the outer circumference of the lower end of the power output outer shaft is fixedly connected with a plurality of horizontally arranged exhaust paddles along the circumferential direction, the spiral heating plate is spirally arranged along the central line of the exhaust pipeline, the upper end of the spiral heating plate is fixedly connected with the lower end of the power output inner shaft, the circumference of the spiral heating plate is in sliding contact with the inner wall of the exhaust pipeline, at least one heating resistance wire is embedded in the spiral, the slag discharging port has been seted up to lateral wall upper portion of exhaust duct, and the wastes material bin sets up in exhaust duct one side, and the feed inlet and the slag discharging port of wastes material bin are connected, and the upper end and the slag discharging port of auger delivery baffle box are with high and be equipped with the baffle, and the baffle radially sets up and the upper end of shutoff auger delivery baffle box along exhaust duct, and heating power supply passes through the cable and is connected with each heating resistor silk electricity.
The transmission is provided with an operating lever for changing gears, the heating power supply is provided with a temperature indicator, the inner circle of the sealing cover is in threaded connection with the outer part of the upper end of the exhaust pipeline, and the spiral heating plate is made of an aluminum alloy material.
The transmission device comprises a box body, a left through hole which is through from left to right is arranged in the middle of the left side of the box body, an upper through hole which is through from top to bottom is arranged in the middle of the upper side of the box body, a lower through hole which is through from top to bottom is arranged in the middle of the lower side of the box body, a power input shaft of the transmission device is horizontally arranged along the left and right direction, the power input shaft, a power output inner shaft and the power output outer shaft of the transmission device are all rotatably arranged in the box body through ball bearings, end covers with central holes are fixedly arranged on the left through hole, the left end of the power input shaft of the transmission device penetrates through the left end cover and extends out of the left through hole, the left end of the power input shaft of the transmission device is in transmission connection with a power output shaft of a speed changer, the upper end cover of the, the outer part of a power input shaft of the transmission device is in sealing contact with a central hole of an end cover on the left side, the outer part of a power output inner shaft is in sealing contact with a central hole of an end cover on the upper side, and the outer part of a power output outer shaft is in sealing contact with a central hole of an end cover on the lower side;
the outer circumference integrated into one piece of transmission's power input shaft's right side portion has the driving gear, gear mechanism includes first driven gear and second driven gear, the driving gear, first driven gear and second driven gear are bevel gear, first driven gear passes through the parallel key suit and fixes the upper portion in the power output inner shaft, the second driven gear passes through the parallel key suit and fixes the lower side portion in the power output outer shaft, first driven gear is located the second driven gear directly over, the upside of driving gear and the left downside meshing of first driven gear, the downside of driving gear and the left upside meshing of second driven gear.
The outside of the power output outer shaft is rotatably connected to the sealing cover through a ball bearing, the lower end of the power output outer shaft is fixedly connected with a rotating sleeve sleeved outside the power output inner shaft, each air exhaust paddle circumference array is connected to the outside of the rotating sleeve, and the inner circle of the rotating sleeve is rotatably connected with the outside of the power output inner shaft through the ball bearing.
The interior axle of power take off is the quill shaft, the one end and the heating power supply of cable are connected, the other end of cable passes the upper end of interior axle of power take off and vertically stretches into the inside lower extreme of interior axle of power take off, the lower extreme of interior axle of power take off is connected with the support lid, the center of supporting the lid is equipped with the electrical slip ring rotary joint, the lower extreme of cable is connected with the top of electrical slip ring rotary joint, the upper end of spiral hot plate is all stretched out to the head end of each heating resistor silk, the head end that passes the support lid through the wire and is connected with each heating resistor silk in the bottom of electrical slip ring rotary joint, all weld between support lid and the spiral hot plate and the adjacent.
The waste storage tank is buried under the ground, and the top of the waste storage tank is provided with a cover plate which is flush with the ground.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly, the transmission device of the invention is provided with a power output inner shaft and a power output outer shaft, the power output outer shaft is sleeved outside the power output inner shaft, a power shaft of a speed reducing motor is in transmission connection with a power input shaft of a speed changer, a power output shaft of the speed changer is in transmission connection with the power input shaft of the transmission device, a driving gear is arranged on the power input shaft of the transmission device, a first driven gear is arranged on the power output inner shaft, a second driven gear is arranged on the power output outer shaft, the driving gear, the first driven gear and the second driven gear are all bevel gears, the upper side of the driving gear is meshed with the lower left side of the first driven gear, the lower side of the driving gear is meshed with the upper left side of the second driven gear, thus, the power input shaft of the transmission device can synchronously transmit, the power output inner shaft and the power output outer shaft rotate in opposite directions, the power output inner shaft drives the spiral heating plate to rotate in the exhaust pipeline, the power output outer shaft drives each exhaust paddle to rotate in the exhaust pipeline, the periphery of the spiral heating plate is in sliding contact with the inner wall of the exhaust pipeline, residues such as residues adsorbed on the inner wall of the exhaust pipeline can be scraped when the spiral heating plate rotates, the residues are guided into the spiral conveying guide chute, the spiral conveying guide chute rotates along with the spiral heating plate to enable the residues to be continuously conveyed upwards along the inner wall of the exhaust pipeline, and the residues are guided into the waste storage box through the residue discharge port after reaching the residue discharge port upwards, so that the inner wall of the exhaust pipeline is continuously scraped and cleaned, and the exhaust channel is prevented from being blocked due to more residues on the inner wall of the exhaust pipeline; the heating power supply is used for electrifying the heating resistance wire through a cable, so that the heating resistance wire is heated to a specified temperature, the heating resistance wire is arranged in the spiral heating plate, the spiral heating plate is heated to the specified temperature, the raw coke oven gas in the exhaust pipeline is heated to the specified temperature by the spiral heating plate, the tar in the raw coke oven gas is cracked and gasified, and the probability that the tar is adsorbed on the inner wall of the exhaust pipeline is reduced; the rotation of each exhaust paddle makes the interior upper side of exhaust duct produce the negative pressure, accelerates the discharge of raw coke oven gas, improves exhaust efficiency, can change the gear of derailleur through the control lever of derailleur according to the different condition in the exhaust duct in addition, and then change the work rotational speed of spiral heating board and each exhaust paddle.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the internal structure of the transmission of the present invention.
Fig. 3 is a schematic view showing the connection of the spiral heating panel and the heating power source of the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 1.
Fig. 5 is a partially enlarged view of fig. 1 at B.
Fig. 6 is a partially enlarged view of fig. 1 at C.
Detailed Description
The embodiments of the present invention are further described below with reference to the drawings.
As shown in fig. 1-6, the spiral anti-blocking device for the underground coal gasification exhaust pipeline comprises a fixed platform 1, a heating power supply 2, a speed reducing motor 3, a transmission 4, a transmission device, a waste storage tank 5 and a spiral heating plate 6, wherein the fixed platform 1 is arranged on the ground of one side of the exhaust pipeline 7 extending out of the ground section, the upper end of the exhaust pipeline 7 is open, the side wall of the part of the exhaust pipeline 7 extending out of the ground is provided with an exhaust branch pipe 28, the heating power supply, the speed reducing motor 3 and the transmission 4 are all fixedly arranged on the upper surface of the fixed platform 1, the upper end of the exhaust pipeline 7 is fixedly connected with a sealing cover 8, the transmission device is arranged on the sealing cover 8, a power shaft of the speed reducing motor 3 is in transmission connection with a power input shaft of the transmission 4, a power output shaft of the transmission device 4 is in transmission connection with the power input, the power output outer shaft 10 is sleeved outside the power output inner shaft 9, a power input shaft of the transmission device is respectively connected with the power output inner shaft 9 and the power output outer shaft 10 in a transmission mode through a gear mechanism, the rotating directions of the power output inner shaft 9 and the power output outer shaft 10 are opposite, the lower ends of the power output inner shaft 9 and the power output outer shaft 10 both penetrate through a sealing cover 8 and extend into an exhaust pipeline 7, the lower end of the power output inner shaft 9 extends out of the lower end of the power output outer shaft 10, the outer circumference of the lower end of the power output outer shaft 10 is fixedly connected with a plurality of horizontally arranged exhaust blades 11 along the circumferential direction, a spiral heating plate 6 is spirally arranged along the central line of the exhaust pipeline 7, the upper end of the spiral heating plate 6 is fixedly connected to the lower end of the power output inner shaft 9, the periphery of the spiral heating plate 6, be equipped with the open auger delivery baffle box 13 in the outside on the inboard edge of spiral heating board 6, auger delivery baffle box 13 is located the top of spiral heating board 6, row's cinder notch 14 has been seted up to lateral part on exhaust duct 7's the lateral wall, waste storage case 5 sets up in exhaust duct 7 one side, waste storage case 5's feed inlet is connected with row's cinder notch 14, auger delivery baffle box 13's upper end and row's cinder notch 14 are with high and be equipped with baffle 15, baffle 15 is along exhaust duct 7's radial setting and the upper end of shutoff auger delivery baffle box 13, heating power supply 2 passes through cable 16 and is connected with each heating resistor silk 12 electricity.
The transmission 4 is provided with an operating rod 17 for changing gears, the heating power supply 2 is provided with a temperature indicator, the inner circle of the sealing cover 8 is in threaded connection with the outer part of the upper end of the exhaust pipeline 7, and the spiral heating plate 6 is made of an aluminum alloy material. The temperature indicator is not shown in the figure.
The transmission device comprises a box body 18, a left through hole which is through from left to right is arranged in the middle of the left side of the box body 18, an upper through hole which is through from top to bottom is arranged in the middle of the upper side of the box body 18, a lower through hole which is through from top to bottom is arranged in the middle of the lower side of the box body 18, a power input shaft of the transmission device is horizontally arranged along the left-right direction, the power input shaft, a power output inner shaft 9 and a power output outer shaft 10 of the transmission device are rotatably arranged in the box body 18 through ball bearings 19, end covers 20 with central holes are fixedly arranged on the left through hole, the left end of the power input shaft of the transmission device penetrates through the left end cover 20 and extends out of the left through hole, the left end of the power input shaft of the transmission device is in transmission connection with the power output shaft of the transmission device 4, the upper end of the power output inner shaft 9 penetrates through the, the outer part of the power input shaft of the transmission device is in sealing contact with the central hole of the end cover 20 on the left side, the outer part of the power output inner shaft 9 is in sealing contact with the central hole of the end cover 20 on the upper side, and the outer part of the power output outer shaft 10 is in sealing contact with the central hole of the end cover 20 on the lower side;
a driving gear 21 is integrally formed on the outer circumference of the right side of a power input shaft of the transmission device, a gear mechanism comprises a first driven gear 22 and a second driven gear 23, the driving gear 21, the first driven gear 22 and the second driven gear 23 are all bevel gears, the first driven gear 22 is fixed on the upper side of a power output inner shaft 9 through a flat key sleeve, the second driven gear 23 is fixed on the lower side of a power output outer shaft 10 through a flat key sleeve, the first driven gear 22 is located right above the second driven gear 23, the upper side of the driving gear 21 is meshed with the left lower side of the first driven gear 22, and the lower side of the driving gear 21 is meshed with the left upper side of the second driven gear 23.
The outer part of the power output outer shaft 10 is rotatably connected to the sealing cover 8 through a ball bearing 19, the lower end of the power output outer shaft 10 is fixedly connected with a rotating sleeve 24 sleeved outside the power output inner shaft 9, the exhaust blades 11 are circumferentially arrayed and connected outside the rotating sleeve 24, and the inner circle of the rotating sleeve 24 is rotatably connected with the outer part of the power output inner shaft 9 through the ball bearing 19.
The power output inner shaft 9 is a hollow shaft, one end of a cable 16 is connected with the heating power supply 2, the other end of the cable 16 penetrates through the upper end of the power output inner shaft 9 and vertically extends into the inner lower end of the power output inner shaft 9, the lower end of the power output inner shaft 9 is connected with a supporting cover 25, the center of the supporting cover 25 is provided with a conductive slip ring rotary joint 26, the lower end of the cable 16 is connected with the top of the conductive slip ring rotary joint 26, the head end of each heating resistance wire 12 extends out of the upper end of the spiral heating plate 6, the bottom of the conductive slip ring rotary joint 26 penetrates through the supporting cover 25 through a conducting wire to be connected with the head end of each heating resistance wire 12, and a plurality of reinforcing rods 27 are welded between the supporting cover 25 and the spiral.
The waste storage tank 5 is buried under the ground, and a cover plate 29 flush with the ground is provided on the top of the waste storage tank 5. The worker can clean the residue stored in the waste storage tank 5 through the cover plate 29.
The heating power supply 2 is provided with a temperature control circuit connected with each heating resistance wire 12, the heating power supply 2, the speed reducing motor 3, the speed changer 4, the temperature indicator and the conductive slip ring rotary joint 26 are all the existing mature technologies, and the specific construction and the working principle are not repeated.
The transmission device of the invention is provided with a power output inner shaft 9 and a power output outer shaft 10, the power output outer shaft 10 is sleeved outside the power output inner shaft 9, a power shaft of a speed reducing motor 3 is in transmission connection with a power input shaft of a speed changer 4, the power output shaft of the speed changer 4 is in transmission connection with the power input shaft of the transmission device, a driving gear 21 is arranged on the power input shaft of the transmission device, a first driven gear 22 is arranged on the power output inner shaft 9, a second driven gear 23 is arranged on the power output outer shaft 10, the driving gear 21, the first driven gear 22 and the second driven gear 23 are all bevel gears, the upper side of the driving gear 21 is meshed with the left lower side of the first driven gear 22, the lower side of the driving gear 21 is meshed with the left upper side of the second driven gear 23, thus, the power input shaft of the transmission device can synchronously transmit the power output, the rotation directions of the power output inner shaft 9 and the power output outer shaft 10 are opposite, the power output inner shaft 9 drives the spiral heating plate 6 to rotate in the exhaust pipeline 7, the power output outer shaft 10 drives each exhaust blade 11 to rotate in the exhaust pipeline 7, the periphery of the spiral heating plate 6 is in sliding contact with the inner wall of the exhaust pipeline 7, residues such as residues adsorbed on the inner wall of the exhaust pipeline 7 can be scraped when the spiral heating plate 6 rotates, the residues are led into a spiral conveying guide chute 13, the spiral conveying guide chute 13 rotates along with the spiral heating plate 6, so that the residues are continuously conveyed upwards along the inner wall of the exhaust pipeline 7, and the residues are led into the waste storage tank 5 through a slag discharge hole 14 after reaching the slag discharge hole 14 upwards, so that the inner wall of the exhaust pipeline 7 is scraped and cleaned, and the exhaust channel is prevented from being blocked due to more residues on the inner wall of the exhaust pipeline 7; the heating power supply 2 is used for electrifying the heating resistance wire 12 through the cable 16, so that the heating resistance wire 12 is heated to a specified temperature, the heating resistance wire 12 is arranged in the spiral heating plate 6, the spiral heating plate 6 is heated to the specified temperature, the spiral heating plate 6 heats the raw coke oven gas in the exhaust pipeline 7 to the specified temperature, the tar in the raw coke oven gas is cracked and gasified, and the probability that the tar is adsorbed on the inner wall of the exhaust pipeline 7 is reduced; each exhaust paddle 11 rotates to enable the inner upper side part of the exhaust pipeline 7 to generate negative pressure, the exhaust of crude gas is accelerated, the exhaust efficiency is improved, the gear of the speed changer 4 can be changed through the operating rod 17 of the speed changer 4 according to different conditions in the exhaust pipeline 7, and then the working rotating speed of the spiral heating plate 6 and each exhaust paddle 11 is changed.
The above embodiments are merely to illustrate rather than to limit the technical solutions of the present invention, and although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that; modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (6)
1. Underground coal gasification exhaust pipe's spiral prevents stifled device, its characterized in that: the waste storage tank comprises a fixed platform, a heating power supply, a speed reducing motor, a speed changer, a transmission device, a waste storage tank and a spiral heating plate, wherein the fixed platform is arranged on the ground on one side of an exhaust pipeline extending out of a ground section, the upper end of the exhaust pipeline is open, an exhaust branch pipe is arranged on the side wall of the exhaust pipeline extending out of the ground section, the heating power supply, the speed reducing motor and the speed changer are fixedly arranged on the upper surface of the fixed platform, a sealing cover is fixedly connected to the upper end of the exhaust pipeline, the transmission device is arranged on the sealing cover, a power shaft of the speed reducing motor is in transmission connection with a power input shaft of the speed changer, a power output shaft of the speed changer is in transmission connection with a power input shaft of the transmission device, a vertically arranged power output inner shaft and a vertically arranged power output outer shaft are concentrically arranged in the transmission device, the power output, the rotation directions of the power output inner shaft and the power output outer shaft are opposite, the lower ends of the power output inner shaft and the power output outer shaft penetrate through the sealing covers and extend into the exhaust pipeline, the lower end of the power output inner shaft extends out of the lower end of the power output outer shaft, the outer circumference of the lower end of the power output outer shaft is fixedly connected with a plurality of horizontally arranged exhaust paddles along the circumferential direction, the spiral heating plate is spirally arranged along the central line of the exhaust pipeline, the upper end of the spiral heating plate is fixedly connected with the lower end of the power output inner shaft, the periphery of the spiral heating plate is in sliding contact with the inner wall of the exhaust pipeline, at least one heating resistance wire is embedded in the spiral heating plate, a spiral conveying guide chute with an opening at the outer side is arranged on the inner side edge of the spiral heating plate, the spiral conveying guide, the feed inlet and the row's cinder notch of wastes material bin are connected, and the upper end of auger delivery baffle box is with high and be equipped with the baffle with row's cinder notch, and the baffle sets up and the upper end of shutoff auger delivery baffle box along exhaust duct's radial, and heating power supply passes through the cable and is connected with each heating resistor silk electricity.
2. The spiral anti-blocking device for the underground coal gasification exhaust pipeline according to claim 1, characterized in that: the transmission is provided with an operating lever for changing gears, the heating power supply is provided with a temperature indicator, the inner circle of the sealing cover is in threaded connection with the outer part of the upper end of the exhaust pipeline, and the spiral heating plate is made of an aluminum alloy material.
3. The spiral anti-blocking device for the underground coal gasification exhaust pipeline according to claim 2, characterized in that: the transmission device comprises a box body, a left through hole which is through from left to right is arranged in the middle of the left side of the box body, an upper through hole which is through from top to bottom is arranged in the middle of the upper side of the box body, a lower through hole which is through from top to bottom is arranged in the middle of the lower side of the box body, a power input shaft of the transmission device is horizontally arranged along the left and right direction, the power input shaft, a power output inner shaft and the power output outer shaft of the transmission device are all rotatably arranged in the box body through ball bearings, end covers with central holes are fixedly arranged on the left through hole, the left end of the power input shaft of the transmission device penetrates through the left end cover and extends out of the left through hole, the left end of the power input shaft of the transmission device is in transmission connection with a power output shaft of a speed changer, the upper end cover of the, the outer part of a power input shaft of the transmission device is in sealing contact with a central hole of an end cover on the left side, the outer part of a power output inner shaft is in sealing contact with a central hole of an end cover on the upper side, and the outer part of a power output outer shaft is in sealing contact with a central hole of an end cover on the lower side;
the outer circumference integrated into one piece of transmission's power input shaft's right side portion has the driving gear, gear mechanism includes first driven gear and second driven gear, the driving gear, first driven gear and second driven gear are bevel gear, first driven gear passes through the parallel key suit and fixes the upper portion in the power output inner shaft, the second driven gear passes through the parallel key suit and fixes the lower side portion in the power output outer shaft, first driven gear is located the second driven gear directly over, the upside of driving gear and the left downside meshing of first driven gear, the downside of driving gear and the left upside meshing of second driven gear.
4. The spiral anti-blocking device for the underground coal gasification exhaust pipeline according to claim 3, characterized in that: the outside of the power output outer shaft is rotatably connected to the sealing cover through a ball bearing, the lower end of the power output outer shaft is fixedly connected with a rotating sleeve sleeved outside the power output inner shaft, each air exhaust paddle circumference array is connected to the outside of the rotating sleeve, and the inner circle of the rotating sleeve is rotatably connected with the outside of the power output inner shaft through the ball bearing.
5. The spiral anti-blocking device for the underground coal gasification exhaust pipeline according to claim 3, characterized in that: the interior axle of power take off is the quill shaft, the one end and the heating power supply of cable are connected, the other end of cable passes the upper end of interior axle of power take off and vertically stretches into the inside lower extreme of interior axle of power take off, the lower extreme of interior axle of power take off is connected with the support lid, the center of supporting the lid is equipped with the electrical slip ring rotary joint, the lower extreme of cable is connected with the top of electrical slip ring rotary joint, the upper end of spiral hot plate is all stretched out to the head end of each heating resistor silk, the head end that passes the support lid through the wire and is connected with each heating resistor silk in the bottom of electrical slip ring rotary joint, all weld between support lid and the spiral hot plate and the adjacent.
6. A spiral type anti-blocking device of an underground coal gasification exhaust pipeline according to any one of the claims 3 to 5, characterized in that: the waste storage tank is buried under the ground, and the top of the waste storage tank is provided with a cover plate which is flush with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011794.7A CN111207263B (en) | 2020-01-07 | 2020-01-07 | Spiral anti-blocking device of underground coal gasification exhaust pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011794.7A CN111207263B (en) | 2020-01-07 | 2020-01-07 | Spiral anti-blocking device of underground coal gasification exhaust pipeline |
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| CN111207263A true CN111207263A (en) | 2020-05-29 |
| CN111207263B CN111207263B (en) | 2020-12-04 |
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| CN202010011794.7A Expired - Fee Related CN111207263B (en) | 2020-01-07 | 2020-01-07 | Spiral anti-blocking device of underground coal gasification exhaust pipeline |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114544450A (en) * | 2022-02-23 | 2022-05-27 | 清控(江苏)系统有限公司 | Waste gas on-line treatment monitoring system |
| CN116518439A (en) * | 2023-06-30 | 2023-08-01 | 深圳市虎一科技有限公司 | Multistage filtration purification system of indoor circulation kitchen oil smoke of no emission |
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| CN209601420U (en) * | 2019-03-15 | 2019-11-08 | 高强 | A kind of civil engineering concrete conveyance structure |
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| CN109207184A (en) * | 2018-09-18 | 2019-01-15 | 派能科技（深圳）有限公司 | For the rubbish pushing pipe in garbage cracking |
| CN209601420U (en) * | 2019-03-15 | 2019-11-08 | 高强 | A kind of civil engineering concrete conveyance structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114544450A (en) * | 2022-02-23 | 2022-05-27 | 清控(江苏)系统有限公司 | Waste gas on-line treatment monitoring system |
| CN116518439A (en) * | 2023-06-30 | 2023-08-01 | 深圳市虎一科技有限公司 | Multistage filtration purification system of indoor circulation kitchen oil smoke of no emission |
| CN116518439B (en) * | 2023-06-30 | 2023-09-08 | 深圳市虎一科技有限公司 | Multistage filtration purification system of indoor circulation kitchen oil smoke of no emission |
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