CN109140520B - Intermittent feeding type anti-backfire feeding device - Google Patents
Intermittent feeding type anti-backfire feeding device Download PDFInfo
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- CN109140520B CN109140520B CN201810671990.XA CN201810671990A CN109140520B CN 109140520 B CN109140520 B CN 109140520B CN 201810671990 A CN201810671990 A CN 201810671990A CN 109140520 B CN109140520 B CN 109140520B
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- feeding
- backfire
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- feed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B1/00—Stoves or ranges
- F24B1/18—Stoves with open fires, e.g. fireplaces
- F24B1/191—Component parts; Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/02—Preventing emission of flames or hot gases, or admission of air, through working or charging apertures
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Screw Conveyors (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses an intermittent feeding type backfire-proof feeding device, aiming at providing a device which can save the use amount of material particles and reduce the use cost of a real fire fireplace; but also can effectively solve the tempering problem of the real fire fireplace. It comprises a frame; the spiral conveyor comprises a feeding barrel arranged on the rack, a feeding auger rotatably arranged in the feeding barrel and a feeding hopper communicated with the inner cavity of the feeding barrel; and the linkage type intermittent feeding mechanism comprises a partition plate which is arranged in the feed hopper and divides the inner cavity of the feed hopper into an upper cavity and a lower cavity, a blanking port which is arranged on the partition plate and is connected with the upper cavity and the lower cavity, a sliding anti-backfire cover plate which is supported on the upper surface of the partition plate and is used for opening or closing the blanking port, a toggle shaft rod which is rotatably arranged on the frame and is parallel to the rotating shaft of the feeding auger, and a toggle plate which is connected with the toggle shaft rod.
Description
Technical Field
The invention relates to a feeding device, in particular to an intermittent feeding type anti-backfire feeding device.
Background
At present, a real fire fireplace is generally heated and ignited, namely a heating rod is used for heating biomass particles, so that fuel is combusted from a shade to an open fire (open fire); wherein the biomass particles are typically fed using a feed system. The feeding system of the current real fire fireplace is usually arranged above a hearth and adopts a funnel bin, and the lower part of the funnel bin is communicated with the hearth through a feeding channel; during actual feeding, pour the living beings granule into the funnel feed bin in, the living beings granule falls into the furnace along feed channel gradually under the dead weight effect and burns.
This kind of feed system of present true fire fireplace is continuous feed, and it not only can increase the quantity of living beings granule, and in furnace combustion process, the open fire in the furnace produces the tempering problem through feed passage easily in continuous feed process moreover (the tempering problem refers to the open fire in the furnace and extends to the feed bin in through feed passage, arouses the problem that living beings granule in the feed bin catches fire).
Disclosure of Invention
The invention aims to provide an intermittent feeding type backfire-proof feeding device which can save the using amount of material particles and reduce the using cost of a real fire fireplace; but also can effectively solve the tempering problem of the real fire fireplace.
The technical scheme of the invention is as follows:
an intermittent feed type anti-backfire feeding device comprises: a frame; the spiral conveyor comprises a feeding barrel arranged on the rack, a feeding auger rotatably arranged in the feeding barrel and a feeding hopper communicated with the inner cavity of the feeding barrel; and a linkage type intermittent feeding mechanism, wherein the linkage type intermittent feeding mechanism comprises a clapboard which is arranged in the feeding hopper and divides the inner cavity of the feeding hopper into an upper cavity and a lower cavity, a blanking port which is arranged on the clapboard and is connected with the upper cavity and the lower cavity, a sliding anti-backfire cover plate which is supported on the upper surface of the clapboard and is used for opening or closing the blanking port, a toggle shaft rod which is rotatably arranged on the frame and is parallel to the rotating shaft of the feeding auger, a poking plate which is connected with the toggle shaft rod, a concave wheel plate which is connected with the toggle shaft rod, a U-shaped port which is arranged on the concave wheel plate and has an opening facing the rotating shaft of the feeding auger, an eccentric wheel shaft which is parallel to the rotating shaft of the feeding auger, an eccentric wheel which is arranged on the eccentric wheel shaft and is matched with the U-shaped port, and a connecting piece which is connected with the eccentric wheel shaft and the rotating, and the shifting plate passes through the shifting plate through opening.
The intermittent feeding type backfire-proof feeding device not only can save the using amount of material particles, but also can reduce the use cost of a real fire fireplace; but also can effectively solve the tempering problem of the real fire fireplace.
On the other hand, the linkage type intermittent feeding mechanism is linked with the feeding auger, the feeding auger rotates for feeding, and meanwhile drives the linkage type intermittent feeding mechanism to realize intermittent feeding, so that a power component of the feeding mechanism is saved, and the equipment cost is reduced.
Preferably, the upper cavity comprises a feeding channel extending up and down and a horizontal channel communicated with the bottom of the feeding channel, and the blanking port is communicated with the horizontal channel.
Because the blanking mouth is linked together with horizontal passage, the blanking mouth staggers with the feedstock channel who extends from top to bottom promptly, can avoid the blanking mouth to open the back like this, and the uncontrollable problem of feed appears in the too fast whereabouts of biomass particle under the dead weight effect in the feedstock channel, and the effectual feeding speed that slows down realizes the controllability of feed speed.
Preferably, a push plate is arranged on the upper surface of the sliding anti-backfire cover plate, a material pushing step is formed on the upper surface of the sliding anti-backfire cover plate by the push plate, and the material pushing step and the feeding channel are located on the same side of the blanking port.
The material pushing step of the structure is favorable for pushing the biomass particles to the blanking port, so that the biomass particles can stably, orderly and controllably fall from the blanking port.
Preferably, the rotating shaft of the feeding auger is horizontally arranged.
Preferably, the partition is horizontally disposed.
Preferably, the cam plate is perpendicular to the toggle shaft.
Preferably, the screw conveyer further comprises a speed reduction motor for driving the feeding auger.
Preferably, the cross-sectional area of the lower cavity is gradually reduced from top to bottom.
The invention has the beneficial effects that: not only can save the use amount of material particles, but also can reduce the use cost of the real fire fireplace; but also can effectively solve the tempering problem of the real fire fireplace.
Drawings
FIG. 1 is an isometric view of an intermittent feed type anti-backfire feeder of the present invention.
FIG. 2 is a schematic cross-sectional view of an intermittent feeding type backfire preventing feeder according to the present invention.
FIG. 3 is a schematic cross-sectional view of the feeding opening of the intermittent feeding type backfire preventing feeding device of the present invention in a closed state.
Fig. 4 is a schematic sectional view of the feeding opening of the intermittent feeding type backfire preventing feeding device of the present invention in an open state.
FIG. 5 is a schematic cross-sectional view of the toggle shaft, the toggle plate and the concave wheel plate of the intermittent feeding type backfire preventing feeding device of the present invention.
In the figure:
the device comprises a spiral conveyor 1, a feeding barrel 1.1, a feeding hopper 1.2, a speed reducing motor 1.3, a feeding auger 1.4 and a rotating shaft 1.41;
a linkage type intermittent feeding mechanism 2 which is provided with a plurality of feeding holes,
the device comprises a partition plate 2.0, an upper cavity 2.01, a feeding channel 2.011, a horizontal channel 2.012, a lower cavity 2.02, a toggle shaft lever 2.1, a concave wheel plate 2.2, an eccentric wheel 2.3, a blanking port 2.4, a sliding anti-backfire cover plate 2.5, a push plate 2.6, a pushing step 2.61, a toggle plate through port 2.7, a toggle plate 2.8, a U-shaped port 2.9, an eccentric wheel shaft 2.10 and a connecting piece 2.11.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1 and 2, an intermittent feeding type backfire preventing feeding device comprises a frame, a screw conveyor 1 and a linkage type intermittent feeding mechanism 2.
The screw conveyor comprises a feeding barrel 1.1 arranged on the frame, a feeding auger 1.4 rotatably arranged in the feeding barrel, a feeding hopper 1.2 communicated with the inner cavity of the feeding barrel and a speed reduction motor 1.3 used for driving the feeding auger.
As shown in fig. 1, 2, 3 and 5, the linkage type intermittent feeding mechanism comprises a partition plate 2.0 which is arranged in the feed hopper and divides the inner cavity of the feed hopper into an upper cavity 2.01 and a lower cavity 2.02, a blanking port 2.4 which is arranged on the partition plate and is connected with the upper cavity and the lower cavity, a sliding anti-backfire cover plate 2.5 which is supported on the upper surface of the partition plate and is used for opening or closing the blanking port, a toggle shaft rod 2.1 which is rotatably arranged on the frame and is parallel to the rotating shaft of the feeding auger, a toggle plate 2.8 which is connected with the toggle shaft, a concave wheel plate 2.2 which is connected with the toggle shaft, a U-shaped port 2.9 which is arranged on the concave wheel plate and has an opening facing the rotating shaft of the feeding auger, an eccentric wheel shaft 2.10 which is parallel to the rotating shaft of the feeding auger, an eccentric wheel 2.3 which is arranged on the eccentric wheel shaft and is matched with the U-shaped port, and a.
The rotating shaft 1.41 of the feeding auger is horizontally arranged. The concave wheel plate is vertical to the toggle shaft rod. The partition board is horizontally arranged.
The shifting plate is parallel to a rotating shaft of the feeding auger. The sliding anti-backfire cover plate is provided with a shifting plate through opening 2.7, and the sliding anti-backfire cover plate is provided with a shifting plate through opening
The cross-sectional area of the lower cavity is gradually reduced from top to bottom.
The upper cavity body comprises a feeding channel 2.011 extending up and down and a horizontal channel 2.012 communicated with the bottom of the feeding channel. The feed channel is arranged vertically. The first end of the horizontal channel is communicated with the feeding channel, and the second end of the horizontal channel is closed. The blanking port is communicated with the horizontal channel and is close to the second end of the horizontal channel.
The upper surface of the sliding anti-backfire cover plate is provided with a push plate 2.6, and the push plate forms a material pushing step 2.61 on the upper surface of the sliding anti-backfire cover plate. The material pushing step and the feeding channel are positioned on the same side of the blanking port. The push plate is provided with an upper through opening corresponding to the shifting plate through opening.
The operation of the intermittent feeding type backfire preventing feeding device of the embodiment is as follows:
when the speed reducing motor works, the feeding auger and the eccentric wheel rotate synchronously (in the embodiment, the feeding auger and the eccentric wheel rotate anticlockwise), the eccentric wheel and the U-shaped opening in the concave wheel plate are matched to drive the shifting plate on the shifting shaft rod to swing back and forth around the shifting shaft rod, so that the sliding anti-backfire cover plate is driven to move back and forth, and the opening or closing of the blanking port is realized.
As shown in fig. 3, the eccentric wheel rotates anticlockwise around the rotating shaft of the feeding auger and contacts with the lower edge of the U-shaped opening to drive the concave wheel plate and the toggle shaft rod to rotate clockwise, and then the sliding anti-backfire cover plate is driven to move rightwards by the toggle plate, and gradually seals and covers the blanking opening until the blanking opening is in a closed state;
as shown in fig. 4, the eccentric wheel rotates anticlockwise around the rotating shaft of the feeding auger and contacts with the upper edge of the U-shaped opening to drive the concave wheel plate and the toggle shaft rod to rotate anticlockwise, and then the sliding anti-backfire cover plate is driven to move leftwards through the toggle plate, so that the sliding anti-backfire cover plate is staggered with the blanking opening, and the blanking opening is in an open state.
When the blanking port is in an open state, biomass particles in the upper cavity body fall to the feeding barrel through the blanking port, and the biomass particles are fed into a hearth of the fireplace through the feeding auger;
when the blanking port is in a closed state, the biomass particles in the upper cavity stop falling, namely the feeding is stopped, so that the intermittent feeding is realized, the using amount of the material particles is saved, and the use cost of the real fire fireplace is reduced.
Meanwhile, when the blanking port is in a closed state, the biomass particles in the upper cavity are completely isolated from the lower cavity and the inner cavity of the feeding barrel, so that the anti-backfire effect is achieved; and because the intermittent feeding is adopted, the biomass particles in the feeding barrel are distributed discontinuously, so that the effect of preventing open fire in the chamber from extending into the storage bin through the feeding channel can be achieved.
On the other hand, as shown in fig. 3 and 4, in the process that the sliding anti-backfire cover plate moves rightwards, the biomass particles on the upper surface of the sliding anti-backfire cover plate move rightwards under the action of the material pushing step; meanwhile, the biomass particles in the feeding channel fall onto the upper surface of the push plate;
in the process that the sliding anti-backfire cover plate moves leftwards, the blanking port is gradually opened, biomass particles on the upper surface of the sliding anti-backfire cover plate fall from the blanking port, and meanwhile, part of the biomass particles on the upper surface of the push plate fall and are extruded onto the upper surface of the sliding anti-backfire cover plate; so, remove the in-process at slip anti-backfire apron and make living beings granule stable, orderly, controllable from the blanking mouth whereabouts, avoid the blanking mouth to open the back, the too fast whereabouts of living beings granule under the dead weight effect in the feed channel appears the uncontrollable problem of feed.
Claims (7)
1. The utility model provides an intermittent type feed formula anti-backfire feedway, characterized by includes:
a frame;
the spiral conveyor comprises a feeding barrel arranged on the rack, a feeding auger rotatably arranged in the feeding barrel and a feeding hopper communicated with the inner cavity of the feeding barrel; and
the linkage type intermittent feeding mechanism comprises a partition plate, a blanking port, a sliding anti-backfire cover plate, a toggle shaft rod, a shifting plate, a concave wheel plate, a U-shaped port, an eccentric wheel shaft, a connecting piece, a first guide rail and a second guide rail, wherein the partition plate is arranged in the feed hopper and divides an inner cavity of the feed hopper into an upper cavity and a lower cavity;
the concave wheel plate is vertical to the toggle shaft lever;
the poking plate is parallel to a rotating shaft of the feeding auger, a poking plate through opening is formed in the sliding anti-tempering cover plate, and the poking plate penetrates through the poking plate through opening.
2. An intermittent feed type backfire-proof feeding device as claimed in claim 1, wherein said upper chamber comprises a feed channel extending up and down and a horizontal channel communicating with the bottom of the feed channel, and said blanking port is communicated with the horizontal channel.
3. An intermittent feeding type anti-backfire feeding device as claimed in claim 2, wherein a push plate is arranged on the upper surface of the sliding anti-backfire cover plate, and the push plate forms a material pushing step on the upper surface of the sliding anti-backfire cover plate, and the material pushing step and the feeding channel are positioned on the same side of the blanking port.
4. An intermittent feeding type anti-backfire feeding device as claimed in claim 1, 2 or 3, wherein the rotary shaft of the feeding auger is horizontally arranged.
5. An intermittent feed type backfire preventing feeder as claimed in claim 1, 2 or 3, wherein said partition is horizontally disposed.
6. An intermittent feed type anti-backfire feeding device as claimed in claim 1, 2 or 3, wherein said screw conveyor further comprises a speed reduction motor for driving a feeding auger.
7. An intermittent feed type backfire preventing feeder as claimed in claim 1, 2 or 3, wherein said lower chamber has a cross-sectional area which is gradually reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671990.XA CN109140520B (en) | 2018-06-26 | 2018-06-26 | Intermittent feeding type anti-backfire feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810671990.XA CN109140520B (en) | 2018-06-26 | 2018-06-26 | Intermittent feeding type anti-backfire feeding device |
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| Publication Number | Publication Date |
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| CN109140520A CN109140520A (en) | 2019-01-04 |
| CN109140520B true CN109140520B (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810671990.XA Active CN109140520B (en) | 2018-06-26 | 2018-06-26 | Intermittent feeding type anti-backfire feeding device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2614397B1 (en) * | 1987-04-23 | 1989-07-28 | Idee Sarl | DEVICE FOR THE AUTONOMOUS FEEDING OF AN INCINERATION OVEN |
| CN2371459Y (en) * | 1999-03-03 | 2000-03-29 | 高利生 | Coal feeding device for boiler |
| CN205447792U (en) * | 2015-12-14 | 2016-08-10 | 广东龙正节能环保科技有限公司 | Biomass boiler's feed of fuel device |
| CN105570920A (en) * | 2015-12-22 | 2016-05-11 | 浙江中力热能股份有限公司 | Flame return preventing device for feeding of boiler |
| CN206055668U (en) * | 2016-09-26 | 2017-03-29 | 吉林大学 | A kind of small-sized biomass particle fuel boiler quantitative feeding device |
| CN206739345U (en) * | 2017-04-26 | 2017-12-12 | 浙江中力工具制造有限公司 | A kind of anti-backfire two level feeds boiler |
| CN207049978U (en) * | 2017-07-07 | 2018-02-27 | 光大环境科技（中国）有限公司 | A kind of biomass incinerator feeding system |
| CN207035080U (en) * | 2017-07-11 | 2018-02-23 | 山东家家乐电器科技有限公司 | Biomass combustion furnace counnter attack fire feed mechanism and its biomass combustion furnace |
| CN208442855U (en) * | 2018-06-26 | 2019-01-29 | 浙江中力工具制造有限公司 | A kind of interval feeding type anti-backfire feeding device |
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- 2018-06-26 CN CN201810671990.XA patent/CN109140520B/en active Active
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Denomination of invention: Intermittent feeding type anti backfire feeding device Effective date of registration: 20221031 Granted publication date: 20200804 Pledgee: Lishui Jinyun Sub branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG ZHONGLI TOOLS MANUFACTURE Co.,Ltd. Registration number: Y2022980020218 |