CN210107435U - Coke removing device for furnace - Google Patents
Coke removing device for furnace Download PDFInfo
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- CN210107435U CN210107435U CN201920312452.1U CN201920312452U CN210107435U CN 210107435 U CN210107435 U CN 210107435U CN 201920312452 U CN201920312452 U CN 201920312452U CN 210107435 U CN210107435 U CN 210107435U
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- fire grate
- combustion box
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Abstract
The utility model discloses a remove burnt device in stove, including upper end open-ended burning box, be equipped with the grate in the burning box, the grate includes rotatory grate and fixed grate, rotatory grate is located the top of fixed grate, rotatory grate with the burning box rotates the installation, fixed grate with the burning box is fixed, fixed grate with leave the cinder notch between the burning box, be used for rotatory the grate will the cinder discharge on the fixed grate. During decoking, the rotary grate rotates 180 degrees in a directional mode, coke slag on the rotary grate and biomass particles which are being combusted turn over to the fixed grate thoroughly, the biomass particles continue to combust on the fixed grate and ignite the biomass particles which fall on the rotary grate newly, when the rotary grate turns over 180 degrees again, the coke slag is pushed out of the slag discharge port, in the decoking process, flame cannot be extinguished, no shutdown is performed for decoking, safety accidents cannot be caused thoroughly, and various biomass particles can be widely used.
Description
Technical Field
The utility model relates to a heating stove technical field, specific theory relates to a remove burnt device of stove.
Background
The biomass fuel is used for replacing coal for heating, so that smoke and other harmful gases generated in the coal combustion process are reduced, the biomass fuel cannot pollute the environment during combustion, and the environment-friendly concept is better met. The biomass particles can be formed by crushing and compressing raw materials of crops such as rice husks, corn husks, peanut husks and the like, and are clean and attractive; and along with the continuous deepening of wood processing and the implementation of the recovery concept, the waste wood chips and the wood can also be used for manufacturing biomass fuel, so that the environmental pollution caused by incineration treatment is avoided, and the reutilization of wastes is realized.
At present, the biomass particle heating furnace adopted in the prior art has the following problems:
(1) most biomass particles can be coked after being combusted to generate coke slag, the coking causes unsmooth air inlet, the biomass particles can emit black smoke when being insufficiently combusted, substances in the black smoke are easily adsorbed in a furnace wall and a smoke exhaust pipeline, damage such as blockage and corrosion to equipment is caused, and a coke block can block an ignition port to cause that a furnace can not be normally ignited;
(2) when the biomass particle burning device is used, biomass particles are not burnt timely due to coking, but the feeding speed of the biomass particles is unchanged, so that the biomass particles are accumulated and rise in a burning box and continuously overflow into an ash hopper to cause ignition in the whole furnace, flame is not easy to extinguish after the furnace is stopped, potential safety hazards exist, in addition, the biomass particles can block a feeding channel to cause material blockage after the coking time is long, and accordingly, the flame is introduced into a storage bin to cause safety accidents;
(3) as the high-quality biomass particles which are not coked on the market are too few and are in a supply-short-demand state, the price of the biomass particles continuously rises, and the use cost of consumers is continuously increased;
(4) when using coked biomass particles, the furnace can create a series of failure problems that add to the after-market costs to the manufacturer and distributor, affecting the brand and public praise.
The utility model discloses a living beings granule firing equipment in chinese utility model patent CN206269118U, this equipment include slag removal system 6, and slag removal system 6 includes horizontal decoking spiral 62 and the slagging-off motor 61 that drive decoking spiral 62 was used, and during the decoking, slagging-off motor 61 drive decoking spiral 62 rotated to release combustion chamber 2 with the cinder, also can adopt pusher 63 to push out combustion chamber 2 with the cinder flat. However, when the device works, the decoking screw 62 and the coke pusher 63 can extinguish the flame, and the decoking is not complete, so that the ventilation opening on the fire grate is blocked.
In addition, the coke is removed by a roller by manufacturers, but when the roller rotates, primer falls down to cause flameout; moreover, if the coke is not cleaned in time, a large coke block is formed, the coke slag cannot be removed, and the coke is not cleaned completely.
Disclosure of Invention
To the above problem, the utility model aims to solve the technical problem that: provides a coke removing device which can completely remove coke and can not extinguish flame.
In order to solve the technical problem, the technical scheme of the utility model is that:
a coke removal apparatus, comprising: the upper end of the combustion box is provided with an opening, a fire grate is arranged in the combustion box and comprises a rotary fire grate and a fixed fire grate, the rotary fire grate is positioned above the fixed fire grate, the rotary fire grate and the combustion box are rotatably arranged, the fixed fire grate is fixed with the combustion box, and a slag discharge port is reserved between the fixed fire grate and the combustion box and used for discharging coke slag on the fixed fire grate through rotation of the rotary fire grate.
Preferably, two ends of the rotary grate are respectively and fixedly provided with a rotating support part, two opposite side walls of the combustion box are respectively provided with a rotating support hole, and the two rotating support parts are respectively and rotatably arranged in the two rotating support holes.
Preferably, one of the rotation supports is connected to a power unit.
Preferably, the power device comprises a motor, and the rotating support part is in transmission connection with an output shaft of the motor.
Preferably, the motor is a stepper motor.
Preferably, a side wall of the combustion box is provided with a mounting hole for air intake of the heating furnace and for the ignition device to pass through.
Preferably, the combustion box is provided with a first air distribution plate fixedly arranged on the side wall of the mounting hole, a second air distribution plate fixedly arranged on the side wall of the combustion box opposite to the mounting hole, the first air distribution plate and the second air distribution plate are arranged in the combustion box and are respectively arranged at intervals with the side wall of the combustion box, a plurality of air inlets are formed in the first air distribution plate and the second air distribution plate, when the rotary furnace is used for draining water, the air inlets are located above the rotary furnace grate, and the second air distribution plate is located above the fixed furnace grate.
Preferably, one side of the fixed grate is fixed with the lower end of the first gas distribution plate.
Preferably, the first gas distribution plate is provided with an ignition port, and when the rotary furnace is in a drainage level, the ignition port is positioned above the rotary furnace grate.
Preferably, the lower end of the combustion box is open.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
(1) because the fire grate comprises the rotary fire grate and the fixed fire grate, the rotary fire grate is positioned above the fixed fire grate, when the heating furnace normally works, biomass granular fuel is combusted on the rotary fire grate, when coke is cleared, the rotary fire grate rotates 180 degrees directionally, coke slag on the rotary fire grate and biomass granules which are being combusted are completely turned over to the fixed fire grate, the biomass granules continue to be combusted on the fixed fire grate, and the biomass granules which are newly dropped on the rotary fire grate are ignited, the combustion state is kept, flame can not be extinguished, coke can be cleared without stopping, the fire grate rotates 180 degrees and can completely turn over the coke slag to the fixed fire grate, the coke is really cleared completely, when the rotary fire grate rotates 180 degrees directionally again, the granules which are being combusted on the rotary fire grate and the coke slag are turned over to the fixed fire grate, and simultaneously, the rotary fire grate can push out the slag discharge opening, according to the set interval time, the rotary grate repeats the actions;
(2) after the coke is completely removed, air is smoothly fed, biomass particles are fully combusted, black smoke cannot be emitted, and an ignition port cannot be blocked;
(3) when coke is cleaned, the rotary grate and the fixed grate simultaneously have the biomass particle combustion, so that the combustion is assisted and is more sufficient;
(4) the biomass particles are combusted timely, so that the biomass particles cannot be accumulated in the feeding channel, flame is introduced into the storage bin, and safety accidents are caused;
(5) the heating furnace can be widely used for various biomass particles, and the material selection is avoided, so that the use cost is greatly reduced.
Drawings
FIG. 1 is a schematic perspective view of a coke removing device of the present invention;
FIG. 2 is a schematic perspective view of the burning box of the decoking apparatus of the present invention with one side removed;
FIG. 3 is a schematic structural view of the burning box of the decoking apparatus of the present invention with one side removed;
FIG. 4 is a schematic perspective view of the coke removing device of the present invention after the power device is removed;
in the figure: 1-a combustion box; 11-mounting holes; 2-fixing the grate; 3-rotating the grate; 31-a rotation support; 41-a first gas distribution plate; 42-a second gas panel; 43-an air intake; 44-an ignition port; 5-a step motor; 6-a cross shaft universal coupling; 7-slag discharge port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, 2 and 4, a decoking apparatus includes: the upper end and the lower end of the combustion box 1 are provided with openings, flame is sprayed out from the upper end opening, ash or coke slag is discharged from the lower end opening, and the combustion box 1 is rectangular, circular or elliptical in shape. One side wall of the combustion box 1 is provided with an air inlet and a mounting hole 11 for an ignition device to pass through, the air passes through the mounting hole 11 to supply air to the combustion box 1, and an ignition rod passes through the mounting hole 11 and then passes through an ignition port 44 to ignite biomass granular fuel. Ignition port 44 is located on first gas distribution plate 41, first gas distribution plate 41 is fixed in a lateral wall that burning box 1 was equipped with mounting hole 11, burning box 1 is fixed with second gas distribution plate 42 with a lateral wall that mounting hole 11 is relative, first gas distribution plate 41, second gas distribution plate 42 all locate in burning box 1 and respectively with the lateral wall interval setting of burning box 1, arrange respectively on first gas distribution plate 41, the second gas distribution plate 42 and have a plurality of inlet ports 43, the air that comes from the air-supply line not only can upwards flow from the bottom of burning box 1, can also flow from inlet port 43, made things convenient for the air to participate in the burning, the burning of living beings granule is abundant.
Be equipped with rotary grate 3 and the fixed grate 2 that is located rotary grate 3 below in the burning box 1, rotary grate 3 rotates the installation with burning box 1, fixed grate 2 and burning box 1 fixed connection, the both ends of rotary grate 3 are fixed respectively and are equipped with the rotation support portion 31, if rotate backup pad or rotation support axle, be equipped with the rotation support hole on two relative lateral walls of burning box 1 respectively, two rotation support portions 31 rotate respectively and install in two rotation support holes, the lower extreme fixed connection of fixed grate 2 and first gas distribution plate 41, and along the rotation direction of rotary grate 3, leave slag discharging hole 7 between the one end that rotary grate 3 was kept away from to fixed grate 2 and burning box 1.
The second gas distribution plate 42 is positioned above the fixed grate 2 to facilitate the discharge of the coke breeze. When the rotary grate 3 is horizontal, the air inlet hole 43 and the ignition hole 44 are both positioned above the rotary grate 3.
The rotary grate 3 is driven by a stepping motor 5 to accurately control the rotation direction, the rotation time and the rotation angle of the rotary grate 3, and the rotary grate 3 directionally rotates 180 degrees at each time. One rotation supporting part 31 is connected with an output shaft of the stepping motor 5 through a universal coupling, for example, the rotation supporting part is connected with the output shaft through a cross shaft universal coupling 6, so that the arrangement of parts of the heating furnace is convenient. The stepping motor 5 can also be connected to the rotary grate 3 via a gear mechanism, a chain drive or a belt drive, which is not shown in detail here.
When the heating furnace works, most of the time, the rotary fire grate 3 is horizontally arranged, and the stepping motor 5 drives the rotary fire grate 3 to rotate according to the set time.
As shown in FIG. 4, the coke oven removing device of the present invention has a schematic three-dimensional structure after removing the power device, and in this way, coke oven can be removed by manual operation, thereby reducing the manufacturing cost.
The working principle and the working process of the furnace coke removing device of the utility model are as follows:
the biomass particle fuel falls on the rotary fire grate 3 and is ignited by an ignition rod, air enters the combustion box 1 from the lower part and the air inlet 43 to participate in combustion, and the generated flame is sprayed out from the upper end opening of the combustion box 1;
when the set time is reached, the stepping motor 5 drives the rotary grate 3 to directionally rotate 180 degrees through the universal joint 6 (an arrow shown in fig. 3 indicates the rotation direction of the rotary grate 3, and dotted lines in fig. 2 and 3 indicate the position of the rotary grate 3 after rotating a certain angle), the coke residue on the rotary grate 3 is thoroughly turned over to the fixed grate 2, and meanwhile, the biomass particles which are being combusted on the rotary grate 3 are also turned over to the fixed grate 2 and continue to be combusted on the fixed grate 2;
the rotary grate 3 rotates 180 degrees again, at the moment, the rotary grate 3 is horizontal, biomass particles from the bin fall onto the rotary grate 3, and the biomass particles on the rotary grate 3 are ignited by flame generated by the burning biomass particles on the fixed grate 2;
the rotary grate 3 rotates 180 degrees again, the coke slag on the rotary grate 3 and the biomass particles which are being combusted are thoroughly turned over to the fixed grate 2, meanwhile, the rotary grate 3 pushes the coke slag on the fixed grate 2 out of the slag discharge opening 7, and new biomass particles fall onto the rotary grate 3.
The furnace coke removing device of the utility model has the following advantages:
(1) when coke is cleaned, the fire cannot be extinguished, the heating effect can be continuous and stable, the stepping motor 49 is controlled by the control system to drive the rotary grate 46 to clean coke on time, and the use of the heating furnace is facilitated;
(2) the coke cleaning is thorough, the air inlet is smooth, and various problems such as black smoke, blockage of an ignition port and the like caused by coke slag can be avoided;
(3) the rotary grate and the fixed grate have the function of biomass particle combustion at the same time, so that the combustion is facilitated and is more sufficient;
(4) the safety is good, particles cannot overflow from the combustion box due to particle coking, the particles overflowing after shutdown are still combusted continuously, potential safety hazards exist, and safety accidents caused by flame flowing back into the storage bin cannot occur;
(5) the material is not selected, various biomass particles can be used, and the use cost is low.
The utility model discloses a remove burnt device of stove mainly is applied to living beings granule heating stove, during the in-service use to do not confine living beings heating stove to, can also be applied to other various heating stoves, boilers etc. that can produce the cinder, like coal-fired heating stove, boiler etc..
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. A furnace coke removal device comprising: the combustion box is provided with a fire grate in the combustion box, and the fire grate is characterized by comprising a rotary fire grate and a fixed fire grate, wherein the rotary fire grate is positioned above the fixed fire grate, the rotary fire grate and the combustion box are rotatably arranged, the fixed fire grate is fixed with the combustion box, and a slag discharge port is reserved between the fixed fire grate and the combustion box and used for discharging coke slag on the fixed fire grate through rotation of the rotary fire grate.
2. The furnace coke removing device as claimed in claim 1, wherein two ends of said rotary grate are respectively and fixedly provided with a rotary support portion, two opposite side walls of said combustion box are respectively provided with a rotary support hole, and two said rotary support portions are respectively and rotatably mounted in two said rotary support holes.
3. The decoking apparatus of claim 2, wherein one of said pivoting supports is connected to a power unit.
4. The coke removal apparatus as claimed in claim 3, wherein said power unit comprises a motor, and said rotation support is in transmission connection with an output shaft of said motor.
5. The coke removal apparatus of claim 4, wherein the motor is a stepper motor.
6. The coke removing device as claimed in claim 1, wherein a side wall of the combustion box is provided with a mounting hole for a heating furnace air intake and an ignition device to pass through.
7. The furnace coke removing device according to claim 6, wherein a first air distribution plate is fixedly arranged on a side wall of the combustion box provided with the mounting hole, a second air distribution plate is fixedly arranged on a side wall of the combustion box opposite to the mounting hole, the first air distribution plate and the second air distribution plate are arranged in the combustion box and are respectively arranged at intervals with the side wall of the combustion box, a plurality of air inlet holes are arranged on the first air distribution plate and the second air distribution plate, when the rotary furnace is used for draining water, the air inlet holes are positioned above the rotary furnace grate, and the second air distribution plate is positioned above the fixed furnace grate.
8. The decoking apparatus of claim 7, wherein one side of said fixed grate is fixed to a lower end of said first gas distribution plate.
9. The furnace coke removing device of claim 8, wherein said first gas distribution plate is provided with ignition ports, and when said rotary furnace is drained, said ignition ports are located above said rotary furnace grate.
10. The coke removal apparatus of claim 1, wherein the lower end of the combustion box is open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312452.1U CN210107435U (en) | 2019-03-12 | 2019-03-12 | Coke removing device for furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312452.1U CN210107435U (en) | 2019-03-12 | 2019-03-12 | Coke removing device for furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210107435U true CN210107435U (en) | 2020-02-21 |
Family
ID=69532813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920312452.1U Expired - Fee Related CN210107435U (en) | 2019-03-12 | 2019-03-12 | Coke removing device for furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210107435U (en) |
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2019
- 2019-03-12 CN CN201920312452.1U patent/CN210107435U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 |