CN115382864A - Gas pipe ash discharging device for biomass gasification furnace - Google Patents
Gas pipe ash discharging device for biomass gasification furnace Download PDFInfo
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- CN115382864A CN115382864A CN202211314763.4A CN202211314763A CN115382864A CN 115382864 A CN115382864 A CN 115382864A CN 202211314763 A CN202211314763 A CN 202211314763A CN 115382864 A CN115382864 A CN 115382864A
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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
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/049—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled
- B08B9/051—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes having self-contained propelling means for moving the cleaning devices along the pipes, i.e. self-propelled the cleaning devices having internal motors, e.g. turbines for powering cleaning tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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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
- C10J3/82—Gas withdrawal means
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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
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the field of ash discharge equipment, in particular to a gas pipe ash discharge device for a biomass gasifier. The technical problem of the invention is as follows: when the ash removal dish cleared up the dust, the gas pipe can't be carried the gas, must influence biomass gasification stove work and go on, because the gas pipe that is used for carrying the gas is usually long length, even connect the use through a plurality of distance rods, still be difficult to satisfy the user demand to a plurality of distance rods are connected and are used occupation space huge, and environmental suitability is poor. The technical scheme of the invention is as follows: a gas pipe ash discharging device for a biomass gasification furnace comprises a gas conveying pipe, a gas inlet pipe and the like; the left part of the gas pipe is communicated with a gas inlet pipe. When the gas conveying pipe dust cleaning device is used, dust on the inner wall of the gas conveying pipe is cleaned through the movement of the dust cleaning component, the intercepting component, the moving component and the dust scraping component, the gas conveying does not need to be stopped in the whole cleaning process, the conveying speed of the gas is not influenced, and the stable and continuous operation of the gas conveying work is ensured.
Description
Technical Field
The invention relates to the field of ash discharge equipment, in particular to a gas pipe ash discharge device for a biomass gasifier.
Background
Present chinese patent CN203936088U (a biomass gasification gas pipeline ash removal device), can stretch into the intraductal deashing dish of gas through the connection of distance rod the inner and clear up the intraductal dust of gas, during the clearance dust, remove in the gas pipe through distance rod control deashing dish, remove toward gas pipe middle part simultaneously through two deashing dishes, later reverse direction removal again, take out the dust of clearance, at first when the clearance dust of ash tray, the gas pipe can't carry the gas, will influence biomass gasification stove work to go on, because the gas pipe that is used for carrying the gas is usually longer in length, even connect the use through a plurality of distance rods, still be difficult to satisfy the user demand, and a plurality of distance rods connect to use occupation space huge, environmental suitability is poor, and the device need use with the pipeline is supporting, adaptability to the pipeline is poor.
Disclosure of Invention
In order to overcome the defects that when an ash tray is used for cleaning dust, a gas pipe cannot convey gas, the operation of a biomass gasification furnace is influenced, because the gas pipe used for conveying the gas is usually long, the gas pipe still cannot meet the use requirement even though a plurality of thrust rods are connected for use, and the gas pipe ash discharging device for the biomass gasification furnace has the defects of large occupied space and poor environment adaptability due to the fact that the plurality of thrust rods are connected for use.
The technical scheme is as follows: a gas pipe ash discharging device for a biomass gasification furnace comprises a gas conveying pipe, a gas inlet pipe, a gas outlet pipe and a sealing disc; the left part of the gas delivery pipe is communicated with a gas inlet pipe; the right part of the gas pipe is communicated with a gas outlet pipe; the left side and the right side of the gas pipe are respectively fixedly connected with a sealing disc; the device also comprises a scraper, a dust collecting component, an ash cleaning component, an intercepting component, a moving component and a dust scraping component; the lower part of the gas pipe is provided with three dust collecting components which are distributed in the left-right direction at equal intervals and used for collecting dust; an ash cleaning component for cleaning dust is arranged in the gas transmission pipe; the left part and the right part of the ash removal component are both connected with an interception component for intercepting large-particle dust; the left part and the right part of the ash cleaning component are both connected with a moving component for moving; the two interception components are positioned between the two moving components; the left side and the right side of the dust collecting component are both connected with a dust scraping component for scraping dust; the two moving assemblies are positioned between the two dust scraping assemblies; all be connected with a plurality of scrapers on two scraping dirt subassemblies.
Further, the left dust collecting assembly comprises a collecting pipe, a gate valve and a dust collecting box; the left part of the gas pipe is communicated with a collecting pipe; the upper part of the collecting pipe is provided with a gate valve; the collecting pipe is connected with a dust collecting box in a sliding way.
Further explaining, the ash cleaning component comprises an installation cylinder, a first fixing ring, blades, a first fixing plate, a sealing cover and a brush plate; an installation cylinder is arranged in the gas transmission pipe; the middle part of the mounting cylinder is rotationally connected with a first fixing ring; a plurality of blades are fixedly connected to the outer ring surface of the first fixing ring in an annular and equidistant manner; three first fixing plates are fixedly connected to the left side and the right side of the first fixing ring at equal intervals around the first fixing ring; one side of each first fixing plate, which is far away from the first fixing ring, is fixedly connected with a brush plate; the left part of the mounting cylinder is provided with a sealing cover; the mounting cylinder is connected with the interception component; the mounting cylinder is connected with the moving assembly; the installation cylinder is connected with the dust scraping component.
Further explaining, the right intercepting component comprises a fan-shaped screen plate, an intercepting plate, an arc-shaped limiting block, a partition plate, a plug, a telescopic pipe, a water guide pipe and an electric control spray head; two arc-shaped limiting blocks are fixedly connected to the upper side of the right part and the lower side of the right part of the mounting cylinder; two vertically symmetrical fan-shaped screen plates are arranged at the right part of the installation cylinder and are fixedly connected through bolts; the lower part of the lower fan-shaped screen plate is fixedly connected with a interception plate; two clapboards are fixedly connected to the right part of the inner wall of the mounting cylinder; the upper side of the right part of the installation cylinder is inserted with a plug; the plug is positioned between the two partition plates; the lower side of the right part of the mounting cylinder is communicated with a telescopic pipe; the lower side of the extension tube is communicated with a water guide tube; a plurality of equidistant electric control nozzles are arranged on the left side of the water guide pipe; a plurality of round rods are arranged at the lower side of the intercepting plate.
Further, the intercepting plate is provided with a plurality of fins for heat dissipation.
Further explaining, the moving component comprises a fixed block, an electric rotating shaft, a second fixed plate and an electric roller; four fixed blocks are fixedly connected to the right part of the mounting cylinder in an annular shape at equal intervals; each fixed block is internally provided with an electric rotating shaft; two second fixing plates are fixedly connected to the rotating part of each electric rotating shaft; and an electric roller is arranged between the two second fixing plates on the same electric rotating shaft.
Further explaining, the dust scraping component comprises an electric push rod, a first limit ring, a second fixed ring, a second limit ring, a mounting plate, a main motor, a fixed sleeve, a limit sleeve, a fixed rod, a first movable frame, a connecting plate and a second movable frame; an electric push rod is fixedly connected to the upper side of the right part and the lower side of the right part of the mounting cylinder; the telescopic ends of the two electric push rods are fixedly connected with a first limiting ring; the first limiting ring is connected with the mounting cylinder in a sliding manner; an annular groove is formed in the outer annular surface of the first limiting ring, and a second fixing ring is connected in the annular groove in a sliding mode; four second movable frames are fixedly connected to the second fixed ring at equal intervals around the ring; the right side of the mounting cylinder is rotatably connected with a second limiting ring; the right part of the inner wall of the mounting cylinder is fixedly connected with a mounting plate; the mounting plate is fixedly connected with a main motor; the output shaft of the main motor is fixedly connected with a fixed sleeve; four limit sleeves are fixedly connected on the fixed sleeve in an annular circle at equal intervals; the four limiting sleeves are fixedly connected with the second limiting ring and penetrate through the second limiting ring; each limit sleeve is internally connected with a fixed rod in a sliding way; one side of each fixed rod, which is far away from the fixed sleeve, is fixedly connected with a scraper; a first movable frame is fixedly connected to the middle of the left side of each fixed rod; and a connecting plate is movably connected between every two first movable frames and every two second movable frames which are positioned on the same plane.
Further, the scraper is provided with a first dust scraping part and a second dust scraping part for scraping dust.
Further, a baffle is arranged on the upper portion of the inner wall of the air inlet pipe.
Further, one side of the air outlet pipe, which is close to the air delivery pipe, is provided with an interception net for intercepting dust.
The invention has the beneficial effects that: when the device is used, the dust on the inner wall of the gas transmission pipe is cleaned through the movement of the ash cleaning component, the intercepting component, the moving component and the dust scraping component, the gas transmission does not need to be stopped in the whole cleaning process, the gas transmission speed cannot be influenced, the stable and continuous operation of the gas transmission work is ensured, and the influence on the operation of the biomass gasification furnace caused by the cleaning of the dust on the inner wall of the gas transmission pipe by using the thrust rod and the ash cleaning disc is avoided;
the electric rotating shaft is controlled to start, the second fixing plate and the electric roller are driven to rotate to adapt to the inner diameters of different gas pipes, meanwhile, the fan-shaped screen plate, the scraper and the brush plate can be replaced to adapt to the inner diameters of the gas pipes, the position of the scraper is adjusted to adapt to the inner diameters of the different gas pipes by controlling the electric push rod to stretch, and the adaptability of the device is enhanced;
water and condensed oily substances on the round rod below the intercepting plate through the electric control spray head drop and are mixed with dust, so that the scraped dust is agglomerated, and the accumulated dust is prevented from generating dust due to gas circulation;
after the fuel gas enters the gas conveying pipe, large-particle dust is intercepted through the fan-shaped screen plate, so that the dust accumulation speed of the inner wall of the gas conveying pipe is reduced, and the difficulty in cleaning the dust on the inner wall of the subsequent gas conveying pipe is reduced;
the dust intercepted on the fan-shaped screen plate is cleaned through the rotation of the brush plate, and the influence on gas conveying caused by blockage due to the fact that the fan-shaped screen plate is piled up dust excessively is avoided.
Drawings
Fig. 1 is a first perspective view of a gas pipe ash discharger for a biomass gasifier according to the present invention;
fig. 2 is a schematic perspective view of a second ash discharge device of a gas pipe for a biomass gasifier according to the present invention;
FIG. 3 is a schematic view of a first partial cross-sectional perspective view of a gas pipe ash discharge device for a biomass gasifier according to the present invention;
FIG. 4 is a schematic perspective view of an air inlet pipe of the gas pipe ash discharging device for the biomass gasifier according to the present invention;
FIG. 5 is a schematic perspective view of an outlet pipe of the gas pipe ash discharging device for a biomass gasifier according to the present invention;
FIG. 6 is a schematic sectional, perspective view of a dust collecting assembly of the gas pipe ash discharging apparatus for a biomass gasifier according to the present invention;
fig. 7 is a first partial perspective view of a gas pipe ash discharging device for a biomass gasifier according to the present invention;
fig. 8 is a second partially sectional perspective view schematically illustrating a gas pipe ash discharging device for a biomass gasifier according to the present invention;
FIG. 9 is a schematic perspective view of a baffle plate of the gas pipe ash discharging device for a biomass gasifier according to the present invention;
FIG. 10 is a partial perspective view of the interception component of the gas pipe ash discharge device for the biomass gasifier according to the present invention;
FIG. 11 is a schematic perspective view of a fan-shaped screen plate of the gas pipe ash discharging device for a biomass gasifier according to the present invention;
FIG. 12 is a schematic perspective view of an ash removal assembly of the gas pipe ash removal device for a biomass gasifier according to the present invention;
fig. 13 is a second partial perspective view of the gas pipe ash discharging device for a biomass gasifier according to the present invention;
FIG. 14 is a third partial perspective view of a gas pipe ash discharge device for a biomass gasifier according to the present invention;
FIG. 15 is an enlarged view of the area A of the gas pipe ash discharger for biomass gasifier according to the present invention;
fig. 16 is a schematic perspective view of a scraper of the gas pipe ash discharging device for a biomass gasifier according to the present invention.
In the above drawings: 1-gas pipe, 2-gas pipe, 3-gas pipe, 4-sealing disc, 001-first dust scraping part, 002-second dust scraping part, 101-collecting pipe, 102-gate valve, 103-dust collecting box, 201-mounting cylinder, 202-first fixing ring, 203-blade, 204-first fixing plate, 205-sealing cover, 206-brush plate, 301-sector net plate, 302-interception plate, 303-arc limiting block, 304-clapboard, 305-plug, 306-telescopic pipe, 307-water guiding pipe, 308-electric control spray head, 401-fixing block, 402-electric rotating shaft, 403-second fixing plate, 404-electric roller, 501-electric push rod, 502-first limiting ring, 503-second fixing ring, 504-second limiting ring, 505-mounting plate, 506-main motor, 507-fixing sleeve, 508-limiting sleeve, 509-fixing rod, 510-first movable frame, 511-connecting plate, 512-second movable frame, 513-scraper.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.
Examples
A gas pipe ash discharging device for a biomass gasification furnace is shown in figures 1-16 and comprises a gas conveying pipe 1, a gas inlet pipe 2, a gas outlet pipe 3 and a sealing disc 4; the left part of the gas delivery pipe 1 is communicated with a gas inlet pipe 2; the right part of the gas pipe 1 is communicated with a gas outlet pipe 3; the left side and the right side of the gas pipe 1 are respectively connected with a sealing disc 4 through bolts;
the device also comprises a scraper 513, a dust collecting component, an ash cleaning component, an intercepting component, a moving component and a dust scraping component; the lower part of the gas transmission pipe 1 is provided with three dust collecting components which are equidistantly distributed in the left and right directions; an ash cleaning component is arranged in the gas pipe 1; the left part and the right part of the ash removal component are both connected with an interception component; the left part and the right part of the ash cleaning component are both connected with a moving component; the two interception components are positioned between the two moving components; the left side and the right side of the dust collecting component are both connected with a dust scraping component; the two moving assemblies are positioned between the two dust scraping assemblies; a plurality of scrapers 513 are connected to both of the two dust scraping assemblies.
The left dust collecting component comprises a collecting pipe 101, a gate valve 102 and a dust collecting box 103; the left part of the gas pipe 1 is communicated with a collecting pipe 101; the upper part of the collecting pipe 101 is provided with a gate valve 102; a dust collection box 103 is slidably connected in the collection tube 101.
The ash cleaning component comprises an installation cylinder 201, a first fixed ring 202, blades 203, a first fixed plate 204, a sealing cover 205 and a brush plate 206; an installation cylinder 201 is arranged in the gas transmission pipe 1; the middle part of the installation barrel 201 is rotationally connected with a first fixing ring 202; a plurality of blades 203 are fixedly connected to the outer ring surface of the first fixing ring 202 at equal intervals; three first fixing plates 204 are fixedly connected to the left side and the right side of the first fixing ring 202 at equal intervals around the circumference; one side of each first fixing plate 204, which is far away from the first fixing ring 202, is connected with a brush plate 206 through bolts; a sealing cover 205 is arranged at the left part of the mounting cylinder 201; the installation cylinder 201 is connected with the intercepting component; the mounting cylinder 201 is connected with the moving assembly; the mounting cylinder 201 is connected with the dust scraping assembly.
The right interception component comprises a fan-shaped mesh plate 301, an interception plate 302, an arc-shaped limiting block 303, a partition plate 304, a plug 305, a telescopic pipe 306, a water conduit 307 and an electric control spray head 308; two arc-shaped limiting blocks 303 are fixedly connected to the upper side of the right part and the lower side of the right part of the mounting cylinder 201; two vertically symmetrical fan-shaped screen plates 301 are arranged at the right part of the mounting cylinder 201, and the two fan-shaped screen plates 301 are fixedly connected through bolts; the lower part of the lower fan-shaped screen plate 301 is fixedly connected with a interception plate 302; two partition plates 304 are fixedly connected to the right part of the inner wall of the mounting cylinder 201; a plug 305 is inserted into the upper side of the right part of the mounting cylinder 201; plug 305 is located between two partitions 304; a telescopic pipe 306 is communicated with the lower side of the right part of the mounting cylinder 201; the lower side of the extension tube 306 is communicated with a water conduit 307; a plurality of electrically controlled spray heads 308 are arranged at the same distance on the left side of the water conduit 307; a plurality of rods are provided on the underside of the interception plate 302.
The intercepting plate 302 is provided with a plurality of fins for heat dissipation.
The moving assembly comprises a fixed block 401, an electric rotating shaft 402, a second fixed plate 403 and an electric roller 404; four fixed blocks 401 are fixedly connected to the right part of the mounting cylinder 201 in a ring shape at equal intervals; an electric rotating shaft 402 is arranged in each fixed block 401; two second fixing plates 403 are fixedly connected to the rotating part of each electric rotating shaft 402; an electric roller 404 is installed between two second fixing plates 403 on the same electric rotating shaft 402.
The dust scraping component comprises an electric push rod 501, a first limit ring 502, a second fixed ring 503, a second limit ring 504, a mounting plate 505, a main motor 506, a fixed sleeve 507, a limit sleeve 508, a fixed rod 509, a first movable frame 510, a connecting plate 511 and a second movable frame 512; an electric push rod 501 is fixedly connected to the upper side of the right part and the lower side of the right part of the mounting cylinder 201; the telescopic ends of the two electric push rods 501 are fixedly connected with a first limiting ring 502; the first limit ring 502 is connected with the mounting cylinder 201 in a sliding manner; an annular groove is formed in the outer annular surface of the first limiting ring 502, and a second fixing ring 503 is connected in the annular groove in a sliding mode; four second movable frames 512 are fixedly connected to the second fixed ring 503 at equal intervals around the circumference; the right side of the mounting cylinder 201 is rotatably connected with a second limiting ring 504; a mounting plate 505 is fixedly connected to the right part of the inner wall of the mounting cylinder 201; the mounting plate 505 is connected with a main motor 506 through bolts; the output shaft of the main motor 506 is fixedly connected with a fixed sleeve 507; four limit sleeves 508 are fixedly connected to the fixed sleeve 507 in an annular and equidistant manner; the four position-limiting sleeves 508 are fixedly connected with the second position-limiting ring 504, and the four position-limiting sleeves 508 penetrate through the second position-limiting ring 504; a fixing rod 509 is connected in each limiting sleeve 508 in a sliding manner; one side of each fixing rod 509, which is far away from the fixing sleeve 507, is connected with one scraper 513 through bolts; a first movable frame 510 is fixedly connected to the middle of the left side of each fixed rod 509; a connecting plate 511 is movably connected between every two first movable frames 510 and every two second movable frames 512 which are positioned on the same plane.
The scraper 513 is provided with a first dust scraping portion 001 and a second dust scraping portion 002 for scraping off dust.
The scraper 513 is provided with bristles for cleaning dust.
The upper part of the inner wall of the air inlet pipe 2 is provided with a baffle.
One side of the air outlet pipe 3 close to the air delivery pipe 1 is provided with an interception net for intercepting dust.
The device is shown in figure 3, when the gas is conveyed into the gas conveying pipe 1 through the gas inlet pipe 2, the baffle is arranged on the upper portion of the inner wall of the gas inlet pipe 2, the gas blows blades 203 on the lower portion of a first fixing ring 202, the first fixing ring 202 rotates on a mounting cylinder 201, the first fixing ring 202 drives a first fixing plate 204 and a brush plate 206 to rotate, the gas enters the gas conveying pipe 1 and then intercepts large-particle dust through a fan-shaped screen plate 301, the dust accumulation speed of the inner wall of the gas conveying pipe 1 is reduced, the difficulty of cleaning subsequent dust on the inner wall of the gas conveying pipe 1 is reduced, the dust intercepted on the fan-shaped screen plate 301 is cleaned when the brush plate 206 rotates, the phenomenon that the fan-shaped screen plate 301 is excessively accumulated dust to block and influence gas conveying is avoided, and the gas is output through a gas outlet pipe 3 after the large-particle dust is intercepted by the fan-shaped screen plate 301;
the whole device is powered by the battery pack carried in the mounting barrel 201, the mounting barrel 201 is positioned in the air conveying pipe 1, so that the battery pack is inconvenient to replace, in order to reduce the replacement frequency of the battery pack and improve the service cycle, the blades 203 are utilized to provide power for the brush plate 206, a water storage bin is formed by matching the two partition plates 304 with the mounting barrel 201, water can be supplemented into the water storage bin by opening the plug 305, the electric rotating shaft 402 is controlled to be started to drive the second fixing plate 403 and the electric rollers 404 to rotate so as to adapt to different inner diameters of the air conveying pipe 1, meanwhile, the fan-shaped screen plate 301, the scraper 513 and the brush plate 206 can be changed into the size suitable for the inner diameter of the air conveying pipe 1, the first limiting ring 502 slides on the mounting barrel 201 by controlling the electric push rod 501 to stretch, and the connecting plate 511 rotates by taking the joint of the first movable frame 510 and the second movable frame 512 as a shaft so that the fixing rod 509 slides in the limiting sleeve 508, then the position of the scraper 513 is adjusted to adapt to the inner diameters of different gas pipes 1, when the device needs to be overhauled and maintained, the sealing disc 4 is taken down, the electric roller 404 is controlled to be started, the ash cleaning component, the intercepting component, the moving component and the dust scraping component move to an outlet in the gas pipe 1, the device is taken out for overhauling and maintenance, the battery pack in the installation cylinder 201 is charged by opening the sealing cover 205, when dust in the gas pipe 1 needs to be cleared, the electric roller 404 is controlled to be started, the ash cleaning component, the intercepting component, the moving component and the dust scraping component are further driven to move towards the right side direction, the main motor 506 is controlled to be started at the same time, the output shaft drives the fixed sleeve 507, the limiting sleeve 508, the fixed rod 509, the first movable frame 510, the connecting plate 511, the second movable frame 512 and the scraper 513 to rotate, and the second fixed ring 503 rotates in the first limiting ring 502 at the same time, when the scraper 513 rotates, the second dust scraping part 002 scrapes off dust on the inner wall of the gas pipe 1 along the inner ring surface of the gas pipe 1, because the scraper 513 moves towards the right side, the first dust scraping part 001 also scrapes off dust on the inner wall of the gas pipe 1, meanwhile, bristles arranged on the scraper 513 further clean the inner wall of the gas pipe 1, so as to avoid dust on the inner wall of the gas pipe 1 from remaining, the scraped dust drops and accumulates at the bottom of the inner wall of the gas pipe 1, when the fan-shaped screen plate 301 drives the interception plate 302 to move towards the right side, gas flows through the heat dissipation fins on the interception plate 302 to dissipate heat, so that the temperature of the interception plate 302 is lower than that of other positions of the installation cylinder 201, and meanwhile, the electric control spray head 308 on the water guide pipe 307 is opened, and water in a water storage bin formed by the installation cylinder 201 and the partition plate 304 is sprayed out to the right side of the interception plate 302 and a round bar on the lower side of the interception plate 302 through the electric control spray head 308, further cooling the interception plate 302 to condense oily substances in the fuel gas on the right side of the interception plate 302 and a round bar at the lower side of the interception plate 302, further scraping and adhering dust falling and accumulated at the bottom of the inner wall of the gas pipe 1, simultaneously dripping water and condensed oily substances on the round bar at the lower side of the interception plate 302 to be mixed with the dust, further leading the scraped and dropped dust to agglomerate, preventing the accumulated dust from generating raised dust due to the circulation of the fuel gas, pushing the agglomerated dust to the right side along with the movement of the interception plate 302, leading the dust to fall into a dust collection box 103 in the collection pipe 101, simultaneously pushing the dust between the two interception components to the right side and collecting the dust collection box 103 together, controlling an electric roller 404 to reversely rotate after the dust cleaning component, the interception component, the moving component and the dust scraping component move to the tail end of the stroke, and then carrying out secondary cleaning on the inner wall of the gas pipe 1, the cleaning effect is ensured, and the ash cleaning component, the interception component, the moving component and the dust scraping component are moved to an initial state after cleaning is completed, so that the interception component and the ash cleaning component work in a matched manner, the interception component is ensured to intercept large-particle dust in gas and cannot influence gas conveying at the same time, the gas conveying does not need to be stopped in the whole process of cleaning the dust on the inner wall of the gas pipe 1, the conveying speed of the gas cannot be influenced at the same time, the stable and continuous operation of the gas conveying is ensured, and the operation of the biomass gasification furnace is prevented from being influenced by cleaning the dust on the inner wall of the gas pipe 1;
when dust collected in the dust collection box 103 needs to be treated, the gate valve 102 is controlled to be closed, the upper portion of the collecting pipe 101 is in a sealed state, then the dust collection box 103 is drawn out of the collecting pipe 101, the dust in the dust collection box 103 is poured out and treated uniformly, the dust collection box 103 is placed back into the collecting pipe 101, the gate valve 102 is opened, sealing is carried out through the gate valve 102, the situation that gas leaks after the dust collection box 103 is drawn out of the collecting pipe 101 is avoided, the whole treatment process is convenient to operate, and meanwhile gas conveying in the gas conveying pipe 1 cannot be influenced.
While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.
Claims (10)
1. A gas pipe ash discharging device for a biomass gasification furnace comprises a gas conveying pipe (1), a gas inlet pipe (2), a gas outlet pipe (3) and a sealing disc (4); the left part of the gas pipe (1) is communicated with a gas inlet pipe (2); the right part of the gas pipe (1) is communicated with a gas outlet pipe (3); the left side and the right side of the gas pipe (1) are respectively fixedly connected with a sealing disc (4); the method is characterized in that: the dust collector also comprises a scraper (513), a dust collecting component, an ash cleaning component, an intercepting component, a moving component and a dust scraping component; the lower part of the gas transmission pipe (1) is provided with three dust collecting components which are distributed in the left and right directions at equal intervals and used for collecting dust; an ash cleaning component for cleaning dust is arranged in the gas transmission pipe (1); the left part and the right part of the ash cleaning component are both connected with an interception component for intercepting large-particle dust; the left part and the right part of the ash cleaning component are both connected with a moving component for moving; the two intercepting components are positioned between the two moving components; the left side and the right side of the dust collecting component are both connected with a dust scraping component for scraping dust; the two moving assemblies are positioned between the two dust scraping assemblies; a plurality of scrapers (513) are connected to the two dust scraping components.
2. The gas pipe ash discharge device for a biomass gasifier according to claim 1, wherein: the left dust collecting component comprises a collecting pipe (101), a gate valve (102) and a dust collecting box (103); the left part of the gas pipe (1) is communicated with a collecting pipe (101); the upper part of the collecting pipe (101) is provided with a gate valve (102); the collecting pipe (101) is connected with a dust collecting box (103) in a sliding way.
3. The gas pipe ash discharge device for a biomass gasifier according to claim 1, wherein: the ash cleaning component comprises an installation cylinder (201), a first fixing ring (202), blades (203), a first fixing plate (204), a sealing cover (205) and a brush plate (206); an installation cylinder (201) is arranged in the gas transmission pipe (1); the middle part of the mounting cylinder (201) is rotationally connected with a first fixing ring (202); a plurality of vanes (203) are fixedly connected to the outer ring surface of the first fixing ring (202) at equal intervals around the ring; three first fixing plates (204) are fixedly connected to the left side and the right side of the first fixing ring (202) in a ring shape at equal intervals; a brush plate (206) is fixedly connected to one side of each first fixing plate (204) far away from the first fixing ring (202); a sealing cover (205) is arranged at the left part of the mounting cylinder (201); the mounting cylinder (201) is connected with the intercepting component; the mounting cylinder (201) is connected with the moving component; the mounting cylinder (201) is connected with the dust scraping component.
4. The gas pipe ash discharging device for the biomass gasifier according to claim 3, wherein: the right intercepting component comprises a fan-shaped screen plate (301), an intercepting plate (302), an arc-shaped limiting block (303), a partition plate (304), a plug (305), a telescopic pipe (306), a water guide pipe (307) and an electric control spray head (308); two arc-shaped limiting blocks (303) are fixedly connected to the upper side of the right part and the lower side of the right part of the mounting cylinder (201); two vertically symmetrical fan-shaped screen plates (301) are arranged at the right part of the mounting cylinder (201), and the two fan-shaped screen plates (301) are fixedly connected through bolts; the lower part of the lower fan-shaped screen plate (301) is fixedly connected with a interception plate (302); two clapboards (304) are fixedly connected to the right part of the inner wall of the mounting cylinder (201); a plug (305) is inserted into the upper side of the right part of the mounting cylinder (201); the plug (305) is positioned between the two partition plates (304); a telescopic pipe (306) is communicated with the lower side of the right part of the installation cylinder (201); a water guide pipe (307) is communicated with the lower side of the extension pipe (306); a plurality of electric control spray heads (308) with equal distance are arranged on the left side of the water guide pipe (307); a plurality of round rods are arranged on the lower side of the interception plate (302).
5. The gas pipe ash discharge device for a biomass gasifier according to claim 4, wherein: the interception plate (302) is provided with a plurality of fins for heat dissipation.
6. The gas pipe ash discharge device for a biomass gasifier according to claim 4, wherein: the moving assembly comprises a fixed block (401), an electric rotating shaft (402), a second fixed plate (403) and an electric roller (404); four fixed blocks (401) are fixedly connected to the right part of the mounting cylinder (201) in an annular manner at equal intervals; an electric rotating shaft (402) is arranged in each fixed block (401); two second fixing plates (403) are fixedly connected to the rotating part of each electric rotating shaft (402); an electric roller (404) is arranged between two second fixing plates (403) on the same electric rotating shaft (402).
7. The gas pipe ash discharging device for the biomass gasifier according to claim 6, wherein: the dust scraping component comprises an electric push rod (501), a first limiting ring (502), a second fixing ring (503), a second limiting ring (504), a mounting plate (505), a main motor (506), a fixing sleeve (507), a limiting sleeve (508), a fixing rod (509), a first movable frame (510), a connecting plate (511) and a second movable frame (512); an electric push rod (501) is fixedly connected to the upper side of the right part and the lower side of the right part of the mounting cylinder (201); the telescopic ends of the two electric push rods (501) are fixedly connected with a first limiting ring (502) together; the first limiting ring (502) is connected with the mounting cylinder (201) in a sliding manner; the outer ring surface of the first limiting ring (502) is provided with an annular groove, and a second fixing ring (503) is connected in the annular groove in a sliding manner; four second movable frames (512) are fixedly connected to the second fixed ring (503) in an annular and equidistant manner; a second limiting ring (504) is rotatably connected to the right side of the mounting cylinder (201); a mounting plate (505) is fixedly connected to the right part of the inner wall of the mounting cylinder (201); a main motor (506) is fixedly connected to the mounting plate (505); the output shaft of the main motor (506) is fixedly connected with a fixed sleeve (507); four limit sleeves (508) are fixedly connected with the fixed sleeve (507) in an annular circle at equal intervals; the four limiting sleeves (508) are fixedly connected with the second limiting ring (504), and the four limiting sleeves (508) penetrate through the second limiting ring (504); a fixed rod (509) is connected in each limit sleeve (508) in a sliding manner; one side of each fixing rod (509) far away from the fixing sleeve (507) is fixedly connected with one scraper (513); a first movable frame (510) is fixedly connected to the middle of the left side of each fixed rod (509); a connecting plate (511) is movably connected between every two first movable frames (510) and every two second movable frames (512) which are positioned on the same plane.
8. The gas pipe ash discharge device for a biomass gasifier according to claim 1, wherein: the scraper (513) is provided with a first dust scraping part (001) and a second dust scraping part (002) for scraping dust.
9. The gas pipe ash discharge device for a biomass gasifier according to claim 1, wherein: the upper part of the inner wall of the air inlet pipe (2) is provided with a baffle.
10. The gas pipe ash discharge device for a biomass gasifier according to claim 1, wherein: one side of the air outlet pipe (3) close to the air delivery pipe (1) is provided with an interception net for intercepting dust.
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| CN202211314763.4A CN115382864B (en) | 2022-10-26 | 2022-10-26 | Gas pipe ash discharging device for biomass gasification furnace |
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