CN214370367U - Novel burning box of wood particle furnace - Google Patents

Abstract

The utility model discloses a novel burning box of wood granule stove, including burning box wall, burning box bottom plate, burning box wall has hollow intermediate layer wind channel, sets up the supply-air outlet that is linked together with intermediate layer wind channel on the burning box outer wall to set up bottom fresh air inlet and the top fresh air inlet that is linked together with the intermediate layer wind channel respectively in burning box inner wall bottom and top. This application is through setting the box wall that burns to hollow sandwich structure, can mix the wood granule that gets into in the intermediate layer wind channel partly air from the bottom fresh air inlet entering and light and carry out the primary combustion, and another part air preheats the back through the intermediate layer wind channel and blows out from the top fresh air inlet and mix with the red-hot flue gas dust after the primary combustion and carry out the postcombustion. The secondary combustion can improve the baking temperature in the furnace chamber to be more than 800 degrees Fahrenheit, on the other hand, the flue gas and dust are burnt as far as possible, so that the cleanliness in the furnace chamber is greatly improved, and the combustion efficiency and the fuel utilization rate are improved, so that the energy-saving and environment-friendly advantages of the wood particle furnace are highlighted.

Description

Novel burning box of wood particle furnace

Technical Field

The utility model belongs to the technical field of wood particle stove (including food oven and heating stove) burning box, especially, relate to a burning box of novel wood particle stove.

Background

With the increasing use of wood particle stoves (including food ovens and heating stoves) in the market today, there is an increasing pursuit of thermal efficiency in use, high cleanliness of the environment and convenience in cleaning away post-combustion residues.

However, the core component combustion box of the traditional wood particle furnace is basically a single-wall barrel-shaped cylinder with an opening at the top, wood particles and air are mixed and combusted at the bottom of the cylinder, and because single incomplete combustion can be realized, more smoke and dust can be generated, so that pollution and fuel waste are caused, and the environmental protection aims of cleaning, energy conservation and emission reduction are not facilitated.

Disclosure of Invention

To the problem that exists among the prior art, this application provides a burning box of novel wood particles stove. The utility model provides a novel burning box of wooden granule stove, includes burning box wall, burning box bottom plate, its characterized in that: the wall of the combustion box is provided with a hollow interlayer air channel, the outer wall of the combustion box is provided with an air supply outlet communicated with the interlayer air channel, and the bottom and the top of the inner wall of the combustion box are respectively provided with a bottom air inlet and a top air inlet which are communicated with the interlayer air channel. This application is through setting the box wall that burns to hollow sandwich structure, can blow off some air that gets into in the intermediate layer wind channel from the bottom fresh air inlet and mix with the wood granule of lighting and carry out the primary combustion, and another part air preheats the back through the intermediate layer wind channel and blows off from the top fresh air inlet and mix with the red-hot flue gas dust after the primary combustion and carry out the postcombustion. The secondary combustion can improve the temperature of baking in the furnace chamber to more than 800 degrees Fahrenheit because of burning many times on the one hand, and on the other hand burns flue gas dust as far as possible and improves cleanliness factor in the furnace greatly, and this can greatly improve the utilization ratio of combustion efficiency and fuel, shows the energy-concerving and environment-protective advantage of wood particles stove more.

As a further improvement scheme, the inner wall of the top air inlet hole is processed into an upward-guiding semicircular shape so as to facilitate upward blowing of preheated air and improve the height of flame combustion, thereby improving the temperature above the combustion box.

As a further improvement scheme, an air deflector is spirally arranged in the interlayer air duct, and two sides of the air deflector are hermetically connected with the wall surface of the interlayer air duct, so that the interlayer air duct is divided into a spiral ventilation air duct. An air deflector is further arranged in the interlayer air duct, so that the flowing time of air in the interlayer air duct can be prolonged, the air is further preheated, and the temperature above the combustion box is increased.

As a further improvement scheme, the combustion box bottom plate comprises a fixed part and a movable part, the fixed part and the movable part are rotatably installed, the fixed part is fixedly installed on the inner wall of the combustion box, a rotating shaft located outside the combustion box penetrates through the wall of the combustion box to be connected with the movable part, and the movable part is turned over between 0 and 90 degrees through rotating the rotating shaft. As the combustion box bottom plate for bearing the wood burning, the combustion box bottom plate is arranged into a mounting form that the fixing piece and the movable piece rotate mutually, and on the basis of bearing the wood burning function, ash can be discharged out of the combustion box through the rotating movable piece. The labor and time are saved when the fire sheltering cover and the oil drip pan on the combustion box are disassembled and cleaned from the upper surface when the traditional ash cleaning is carried out.

As a further improvement scheme, the rotating shaft is connected with the handle or the rotating shaft is connected with the motor and driven to rotate by the motor. The rotating shaft is rotated by the rotation of the handle or the driving of the motor, so that the time and the labor are saved, and different requirements of users can be met.

As a further improvement scheme, the fixed part is of a circular sheet structure or a circular ring structure, and the movable part is embedded in the fixed part and is in rotary connection with the fixed part.

As a further improvement scheme, the wall of the combustion box is connected with an auger type feeder, the auger type feeder is provided with a feeding hole, and a feeding motor can convey charcoal or wood to the bottom plate of the combustion box through the feeding hole. Charcoal or timber just can be carried to the burning box bottom plate through auger tubular feeder, can satisfy the long-range packing of user to the burning box, labour saving and time saving.

As a further improvement scheme, a detachable ash box is arranged below the bottom plate of the combustion box.

As a further improvement, the ash box is in a cylindrical or square drawer shape.

As a further improvement scheme, an auger box is arranged outside the auger pipe type feeder between the feeding port and the combustion box in a sealing mode, the auger box is of a hollow structure with two open ends, one end of the auger box is connected with an air supply outlet in the wall of the combustion box in a sealing mode, and the other end of the auger box is connected with an air supply fan in a sealing mode. The auger type feeder is arranged in the auger box, air can be remotely conveyed to the combustion box through the air supply fan and the auger box, and the flexibility in assembly and maintenance is improved.

The present application is further described below:

the present invention is directed to subversive modification of the combustion box of a conventional wood pellet fire to achieve this goal and to increase the manner of use of charcoal or wood as fuel. Firstly, the wall part of the combustion box is specially designed to have the characteristic of secondary combustion, the combustion box 1 is a circular, oval, square or other polygonal column, the combustion box wall 2 is hollow and is used as an interlayer air duct, air inlet holes are formed in the bottom and the top of the inner wall of the combustion box, the shapes and the arrangement modes of the air inlet holes can be various, fresh air generated by an air supply fan 20 and reaching the combustion box from an auger box 3 is partially blown out from the air inlet holes 4 in the bottom of the combustion box to be mixed with ignited wood particles for primary combustion, and the other part of air is preheated by the interlayer air duct of a spiral flow deflector 21 on the combustion box wall and is blown out from the air outlet holes 5 in the top to be mixed with hot flue gas and dust after primary combustion for secondary combustion. The secondary combustion can improve the temperature of baking in the furnace chamber to more than 800 degrees Fahrenheit because of burning many times on the one hand, and on the other hand burns flue gas dust as far as possible and improves cleanliness factor in the furnace greatly, and this can greatly improve the utilization ratio of combustion efficiency and fuel, shows the energy-concerving and environment-protective advantage of wood particles stove more. Moreover, the air supply amount is adjusted by controlling the air supply fan 20, and the combustion working condition is flexibly controlled, so that the smoking degree is controlled, and the flavor differentiation requirement of people on the smoking degree is met. Secondly, the special design of the bottom of the combustion box can conveniently remove the slag ash remained on the bottom plate 6 of the combustion box after combustion, the bottom plate of the combustion box consists of a fixed part 17 and a movable part 18, the movable part is in a horizontal state at ordinary times, when the slag ash needs to be poured, the rotating shaft 12 can be extended to a manual handle 13 or a motor 16 at an end cover, the manual handle or the motor is manually or electrically driven to rotate 90 degrees to be in a vertical state, the slag ash on the bottom plate can be smoothly poured into an ash box 7 (which can be cylindrical independent or square drawer type) at the bottom of the combustion box under the action of gravity, then the bottom plate is restored to the horizontal state at ordinary times, the ash box can be taken out to remove the slag ash and then is installed back to the bottom of the combustion box, and time and labor are saved when the upper flame cover and the oil dropping disc of the combustion box need to be detached and cleaned from the upper surface when the ash is removed in the traditional method. Finally, the invention is equipped with the special adapter box 8 which is connected with the combustion box and the auger pipe, thereby successfully realizing secondary combustion air supply and feeding, simultaneously increasing the flexibility during assembly and maintenance, being capable of independently replacing the combustion box or a bottom plate thereof, and additionally adding an access hole 9 at the bottom of the auger pipe nearby the lower part of the adapter box so as to conveniently maintain or replace the ignition rod 10.

Drawings

Figure 1 is a schematic half-section view 1 of a combustion box according to the present application,

figure 2 is a schematic half-section view 2 of the wall of the combustion box according to the present application,

figure 3 is a schematic view in half section of the combustion case and attachment of the present application 1,

figure 4 is a schematic view in half section of the combustion case and attachment of the present application 2,

figure 5 is a schematic structural diagram 1 of embodiment 1 of the present application,

figure 6 is a schematic structural diagram 2 of embodiment 1 of the present application,

figure 7 is a schematic structural diagram 1 of embodiment 2 of the present application,

figure 8 is a schematic structural view of the combustion box bottom plate 1,

figure 9 is a schematic view of the structure of the combustion box bottom plate 2,

fig. 10 is a schematic structural view of the burner box base plate 3.

Reference numerals: 1-combustion box, 2-combustion box wall, 3-auger box, 4-bottom air inlet, 5-top air inlet, 6-combustion box bottom plate, 7-ash box, 8-adapter box, 9-maintenance hole, 10-ignition rod, 11-interlayer air duct, 12-rotating shaft, 13-handle, 14-auger tube type feeder, 15-feeding hole, 16-servo motor, 17-fixing piece, 18-moving piece, 19-feeding motor, 20-air supply fan, 21-flow deflector, 22-auger and 23-air supply outlet

Detailed Description

The present application is further described with reference to the accompanying drawings:

example 1

A combustion box 1 comprises a combustion box wall 2 and a combustion box bottom plate 6 arranged at the bottom of the combustion box, wherein the combustion box wall is provided with a hollow interlayer air duct 11 (the combustion box wall is of a double-layer structure, two end parts of the combustion box wall are closed, the middle of the combustion box wall is hollow, an interlayer of the hollow part is used as an air flow for general use), and the bottom and the top of the inner wall of the combustion box are respectively provided with a bottom air inlet hole 4 and a top air inlet hole 5 which are communicated with the interlayer air duct 11, as shown in figure 1. It can be seen from fig. 1 that the combustion box bottom plate 6 is installed at the bottom of the combustion box, and the bottom air inlet holes 4 are located above the combustion box bottom plate 6. The outer wall of the combustion box can be provided with an air supply outlet 23 communicated with the interlayer air duct 11 according to common knowledge, the air supply outlet 23 is connected with an air supply fan 20, and the air supply fan 20 supplies air to the interlayer air duct 11 through the air supply outlet. After air enters the interlayer air duct 11 of the wall of the combustion box, a part of air enters the combustion box from the air inlet hole 4 at the bottom of the combustion box and is mixed with wood particles ignited on the bottom plate of the combustion box to carry out primary combustion, and the other part of air is preheated by the interlayer air duct of the wall of the combustion box, is blown out from the air inlet hole 5 at the top and is mixed with hot smoke and dust after primary combustion to carry out secondary combustion. On one hand, the secondary combustion can improve the baking temperature in the furnace chamber to be more than 800 degrees Fahrenheit due to multiple times of combustion, on the other hand, the flue gas dust is burnt as far as possible, so that the cleanliness in the furnace chamber is greatly improved, the combustion efficiency and the utilization rate of fuel are improved, and the energy-saving and environment-friendly advantages of the wood particle furnace are more highlighted.

The wall of the combustion box is further connected with an auger type feeder 14, the output end of the auger type feeder 14 is located above the combustion box bottom plate 6, a feed inlet 15 is further formed in the input end of the auger type feeder, a feeding motor 19 can convey charcoal or wood particles serving as fuel to the combustion box bottom plate from the feed inlet 15, and the charcoal or wood on the combustion box bottom plate is ignited through an ignition rod 10.

In one embodiment, in order to raise the temperature above the combustion box, the inner wall of the top air inlet 5 is made into a semicircular shape which is directed upwards, as shown in fig. 2, the air entering the interlayer air duct 11 is preheated and then discharged from the top air inlet 5, and the preheated air is blown upwards to raise the combustion height of the flame, thereby further raising the temperature above the combustion box. Meanwhile, an air deflector 21 (namely a deflector) is arranged in the interlayer air duct 11, the deflector 21 is spirally arranged in the interlayer air duct, two sides of the deflector 21 are hermetically connected with the wall surface of the interlayer air duct 11 to divide the interlayer air duct into a spiral ventilation air duct, an air supply opening 23 on the wall of the combustion box is arranged at the lower part of the spiral ventilation air duct to prolong the circulation time of air in the interlayer air duct, so that the air is further discharged from a top air inlet 5 after entering the interlayer air duct for spiral diversion and preheating, and the temperature above the combustion box is improved.

In an embodiment, in order to make the air supply convenient, set up a hollow sealed auger box 3 outside the burning box, auger box one end and air supply outlet sealing connection at the burning box wall, the other end and air supply fan sealing connection, further in order to increase the flexibility of assembly and maintenance, will be located 15 rear half auger tubular feeder 14 sealing installation in auger box 3 of feed inlet, also can install an adaptation box 8 between auger box 3 and burning box 1. As shown in figure 3, the special adaptation box 8 that is connected between this application burning box and the auger box 3, adaptation box 8 are connected auger box 3 with burning box 1, when successfully realizing the postcombustion air supply pay-off, have still increased the flexibility when assembly and maintenance, can change burning box itself or its bottom plate alone, and increase access hole 9 in near auger pipe bottom in this adaptation box below moreover to conveniently maintain or change ignition rod 10. At the moment, air is introduced into the combustion box wall through the auger box 3, one part of the air enters the combustion box from the air inlet hole 4 at the bottom and is mixed with the ignited wood particles to carry out primary combustion, and the other part of the air is preheated by the interlayer air duct of the combustion box wall and is blown out from the air inlet hole 5 at the top to be mixed with the hot flue gas dust after primary combustion to carry out secondary combustion.

In one embodiment, in order to facilitate the removal of the ash residue remaining on the combustion box bottom plate 6 after combustion, the combustion box bottom plate 6 comprises a fixed member 17 and a movable member 18, the movable member 18 is installed inside the fixed member 17, and the movable member 18 and the fixed member 17 are rotatably installed, so that when the fixed member 17 and the movable member 18 are both in a horizontal plane, the gap between the fixed member 17 and the movable member 18 is minimal, for example, the gap may only be left for the movable member 18 to rotate on the fixed member 17. In addition, the fixed member 17 and the movable member 18 can be deformed in various ways, for example, as shown in fig. 8, the fixed member 17 and the movable member 18 can be sheet structures and have a plurality of openings formed thereon, and correspondingly, the movable member 18 fitted with the openings of the fixed member is installed in the openings of the fixed member. As shown in fig. 9 and 10, the fixing member 17 may be a circular ring structure, the sheet-shaped movable member 18 is rotatably mounted on the fixing member 17, and the bottom plate of the combustion box may be made into a hollowed-out pattern, so that some loose and fine ash can fall into the ash box when the bottom plate is not rotated at ordinary times, and the purpose of removing ash in advance is achieved, as shown in fig. 9.

The rotating shaft 12 outside the combustion box 1 penetrates through the wall of the combustion box to be connected with the movable member 18, the movable member is in a horizontal state at ordinary times, in order to collect ash, the ash box 7 is placed below the combustion box bottom plate 6, the ash box 7 can adopt various structures, for example, the ash box with a fixed handle can be directly placed below the combustion box bottom plate 6, the shape of the ash box is matched with that of the combustion box, and the ash box is cylindrical, as shown in fig. 3; the gray box 7 may also be an open rectangular parallelepiped structure as shown in fig. 4 to 7. When the ash needs to be poured, the ash on the combustion box bottom plate 6 can be poured into the ash box 7 by directly rotating the rotating shaft 12.

Further, in order to facilitate the rotation of the rotating shaft, for example, a detachable adapter 121 may be installed at the free end of the rotating shaft, as shown in fig. 6, the adapter 121 may be connected to the elongated handle 13, and the movable member 18 may be turned over by rotating the handle 13; or the rotating shaft 12 can be directly connected with the handle 13 into a whole, as shown in fig. 1; if the rotating shaft 12 can be processed into a telescopic structure, the free end of the rotating shaft 12 is provided with the handle 13, when the ash removing device is not used, the rotating shaft 12 is contracted to the shortest state, when the ash removing device is used, the rotating shaft 12 can be extended, as shown in fig. 5 and 6, the movable member 18 is manually driven to rotate 90 degrees to be in a vertical state, at the moment, the ash on the bottom plate of the combustion box can be smoothly poured into the ash box 7 at the bottom of the combustion box under the action of gravity, then the bottom plate is restored to a horizontal state at ordinary times, and then the ash box can be taken out to remove the ash and then is put back to the bottom of the combustion box, so that the time and labor for disassembling the fire cover and the oil drip pan on the combustion box and cleaning from the fire cover and the oil drip pan on the combustion box in the traditional ash removing process are saved.

Example 2

This embodiment 2 is substantially the same as embodiment 1, except that the shaft 12 is rotated by the motor 16 instead of manually. The free end of the rotating shaft 12 is connected with the servo motor 16, the moving part of the combustion box bottom plate is electrically driven by the servo motor 16 through the rotating shaft 12 to rotate 90 degrees to be in a vertical state, at the moment, the ash on the combustion box bottom plate can be smoothly poured into the ash box 7 at the bottom of the combustion box under the action of gravity, then the bottom plate is restored to a horizontal state at ordinary times, the ash box can be taken out to remove the ash and then is assembled back to the bottom of the combustion box, and time and labor are saved when a fire sheltering cover and an oil drip pan on the combustion box are disassembled and cleaned from the upper surface in the traditional ash cleaning process.

Claims (11)

1. The utility model provides a novel burning box of wooden granule stove, includes burning box wall, burning box bottom plate, its characterized in that: the wall of the combustion box is provided with a hollow interlayer air channel, the outer wall of the combustion box is provided with an air supply outlet communicated with the interlayer air channel, and the bottom and the top of the inner wall of the combustion box are respectively provided with a bottom air inlet and a top air inlet which are communicated with the interlayer air channel.

2. The combustion cartridge of claim 1, wherein: the inner wall of the top air inlet hole is processed into an upward-oriented semicircle for conveniently blowing out preheated air upwards.

3. The combustion box according to claim 1 or 2, wherein: the air guide plate is spirally arranged in the interlayer air duct, and two sides of the air guide plate are hermetically connected with the wall surface of the interlayer air duct, so that the interlayer air duct is divided into a spiral ventilation air duct.

4. The combustion box according to claim 1 or 2, wherein: the combustion box bottom plate comprises a fixing piece and a moving piece, the fixing piece and the moving piece are rotatably installed, the fixing piece is fixedly installed on the inner wall of the combustion box, a rotating shaft located outside the combustion box penetrates through the wall of the combustion box and is connected with the moving piece, and the moving piece is turned over between 0 and 90 degrees by rotating the rotating shaft.

5. The combustion box according to claim 4, wherein: the rotating shaft is connected with the handle or the rotating shaft is connected with the motor and driven to rotate by the motor.

6. The combustion box according to claim 4, wherein: the fixed part is a circular sheet structure or a circular ring structure, and the movable part is embedded in the fixed part and is rotationally connected with the fixed part.

7. The combustion box according to claim 1 or 2, wherein: the combustion box wall is connected with the auger type feeder, the auger type feeder is provided with a feed port, and the feeding motor can convey charcoal or wood to the combustion box bottom plate through the feed port.

8. The combustion cartridge of claim 7, wherein: and a detachable ash box is placed below the combustion box bottom plate.

9. The combustion cartridge of claim 8, wherein: the ash box is cylindrical or square drawer-shaped.

10. The combustion cartridge of claim 7, wherein: an auger box is arranged outside the auger tube type feeder between the feeding port and the combustion box in a sealing mode, the auger box is of a hollow structure with two open ends, one end of the auger box is connected with the air supply outlet in a sealing mode, and the other end of the auger box is connected with the air supply fan in a sealing mode.

11. The combustion cartridge of claim 3, wherein: the combustion box bottom plate comprises a fixing piece and a moving piece, the fixing piece and the moving piece are rotatably installed, the fixing piece is fixedly installed on the inner wall of the combustion box, a rotating shaft located outside the combustion box penetrates through the wall of the combustion box and is connected with the moving piece, and the moving piece is turned over between 0 and 90 degrees by rotating the rotating shaft.

Images