WO2022147907A1 - 一种新型木颗粒炉的燃烧盒 - Google Patents

一种新型木颗粒炉的燃烧盒 Download PDF

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Publication number
WO2022147907A1
WO2022147907A1 PCT/CN2021/082898 CN2021082898W WO2022147907A1 WO 2022147907 A1 WO2022147907 A1 WO 2022147907A1 CN 2021082898 W CN2021082898 W CN 2021082898W WO 2022147907 A1 WO2022147907 A1 WO 2022147907A1
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Prior art keywords
combustion box
box
combustion
wall
air
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PCT/CN2021/082898
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English (en)
French (fr)
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宋秉禄
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金华市新安电气有限公司
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Publication of WO2022147907A1 publication Critical patent/WO2022147907A1/zh

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00Stoves or ranges
    • F24B1/18Stoves with open fires, e.g. fireplaces
    • F24B1/191Component parts; Accessories
    • F24B1/197Hearths
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00Stoves or ranges
    • F24B1/18Stoves with open fires, e.g. fireplaces
    • F24B1/185Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion
    • F24B1/189Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00Stoves or ranges
    • F24B1/18Stoves with open fires, e.g. fireplaces
    • F24B1/185Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion
    • F24B1/189Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers 
    • F24B1/19Supplying combustion-air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00Stoves or ranges
    • F24B1/18Stoves with open fires, e.g. fireplaces
    • F24B1/191Component parts; Accessories
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/006Arrangements for cleaning, e.g. soot removal; Ash removal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/04Arrangements for feeding solid fuel, e.g. hoppers 
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present application belongs to the technical field of combustion boxes of wood pellet stoves (including food ovens and heating furnaces), and in particular relates to a combustion box of a novel wood pellet stove.
  • the core component of the traditional wood pellet stove is basically a single-walled barrel-shaped cylinder with an open top. Wood pellets and air are mixed and burned at the bottom of the cylinder. Since only a single incomplete combustion can be achieved, more Flue gas and dust cause pollution and waste fuel, which is not conducive to the environmental protection goals of cleanliness, energy conservation and emission reduction.
  • the present application provides a combustion box of a novel wood pellet stove.
  • a combustion box of a novel wood pellet stove includes a combustion box wall and a combustion box bottom plate.
  • the combustion box wall has a hollow interlayer air duct, and the outer wall of the combustion box (outer side wall of the combustion box wall) is provided with a connection with the interlayer air duct.
  • the bottom and top of the inner wall of the combustion box are respectively provided with a bottom air inlet hole and a top air inlet hole which are communicated with the interlayer air duct.
  • the wall of the combustion box into a hollow sandwich structure, a part of the air entering the interlayer air duct can be blown out from the bottom air inlet hole and mixed with the ignited wood particles for primary combustion, and the other part of the air can pass through the interlayer air duct. After preheating, it is blown out from the top air inlet and mixed with the hot flue gas and dust after primary combustion for secondary combustion.
  • the secondary combustion can increase the barbecue temperature in the furnace cavity to more than 800 degrees Fahrenheit due to repeated combustion, and on the other hand, burn off the flue gas and dust as much as possible to greatly improve the cleanliness of the furnace chamber, which will undoubtedly greatly improve the combustion efficiency. And the utilization rate of fuel, it highlights the energy saving and environmental protection advantages of wood pellet stove.
  • the inner wall of the top air inlet hole is processed into an upwardly directed semi-circle to facilitate the blowing of the preheated air upwards, thereby increasing the height of the flame burning, thereby increasing the temperature above the combustion box.
  • the interlayer air duct is spirally installed with air guide fins, and both sides of the air guide fin are sealed with the wall surface of the interlayer air duct, thereby dividing the interlayer air duct into spiral ventilation air ducts.
  • the air guide fins are further arranged in the interlayer air duct, which can prolong the flow time of the air in the interlayer air duct, further preheat the air, and increase the temperature above the combustion box.
  • the combustion box bottom plate includes 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, and the rotating shaft located outside the combustion box passes through the combustion box wall and the movable part The parts are connected, and the movable parts are turned between 0-90° by rotating the shaft.
  • the bottom plate of the combustion box that supports the burning of wood the bottom plate of the combustion box is arranged in the form of rotating installation of fixed parts and movable parts. On the basis of carrying the function of burning wood, the ash can also be discharged from the combustion box by rotating the movable parts. It saves the time-consuming and laborious process of dismantling the fire cover and drip tray on the combustion box and cleaning from the top during traditional dust cleaning.
  • the rotating shaft is connected with the handle or the rotating shaft is connected with a motor, and is driven to rotate by the motor.
  • the fixing member is a circular sheet-like structure or a circular ring-shaped structure
  • the movable member is embedded in the fixing member and rotatably connected with it.
  • the wall of the combustion box is connected with the auger tube feeder, and the auger tube feeder has a feeding port, and the feeding motor can transport the charcoal or wood to the bottom plate of the combustion box through the feeding port.
  • the charcoal or wood can be transported to the bottom of the combustion box through the Jiaolong tube feeder, which can satisfy the user's long-distance filling of the combustion box, saving time and effort.
  • a detachable ash box is arranged under the bottom plate of the combustion box.
  • the gray box is in the shape of a cylindrical shape or a square drawer.
  • an auger box is installed in the outer seal of the auger tube feeder between the feeding port and the combustion box.
  • the dragon box is hollow and has an open structure at both ends. One end of the dragon box is connected to the air supply port of the combustion box wall. Sealed connection, the other end of the Jiaolong box is sealed with the air supply fan.
  • the auger tube feeder is installed in the dragon box, the air can be delivered to the combustion box through the air supply fan and the dragon box, and the flexibility of assembly and maintenance is also increased.
  • the present invention aims at subversively transforming the combustion box of the traditional wood pellet stove to achieve this goal, and increases the use of charcoal or wood as fuel.
  • the special design of the wall of the combustion box of the present invention has the characteristics of secondary combustion
  • the combustion box is a circular, oval, square or other polygonal cylinder
  • the wall of the combustion box is hollow as an interlayer air duct (the wall of the combustion box is Double-layer structure, and both ends of the combustion box wall are closed and hollow in the middle, and the interlayer of the hollow part is used for air flow), and there are air inlet holes at the bottom and top of the inner wall of the combustion box.
  • the shape and arrangement of the air inlet holes can be multi-dimensional
  • One part of the fresh air generated by the air supply fan from the auger box to the combustion box is blown out from the air inlet hole at the bottom of the combustion box and mixed with the ignited wood particles for primary combustion, and the other part of the air is guided through the wall of the combustion box spirally.
  • the interlayer air duct of the flow sheet is preheated and blown out from the top air outlet to mix with the hot flue gas and dust after primary combustion for secondary combustion.
  • the secondary combustion can increase the barbecue temperature in the furnace cavity to more than 800 degrees Fahrenheit due to repeated combustion, and on the other hand, burn off the flue gas and dust as much as possible to greatly improve the cleanliness of the furnace chamber, which will undoubtedly greatly improve the combustion efficiency.
  • the utilization rate of fuel it highlights the energy saving and environmental protection advantages of wood pellet stove.
  • the air supply fan to adjust the air intake and flexibly control the combustion conditions, the degree of smoking can be controlled, so as to meet people's differentiated needs for the flavor of the smoked degree.
  • the special design of the bottom of the combustion box of the present invention can easily remove the slag ash remaining on the bottom plate of the combustion box after combustion.
  • the bottom plate of the combustion box is composed of a fixed part and a movable part.
  • the movable part is usually in a horizontal state.
  • the present invention is equipped with a special adapter box that connects the combustion box and the auger tube. While successfully realizing the secondary combustion air supply and feeding, it also increases the flexibility during assembly and maintenance, and the combustion box can be replaced independently. itself or its bottom plate, and an access hole 9 is added at the bottom of the auger tube near the bottom of the adapter box to facilitate maintenance or replacement of the ignition rod.
  • Fig. 1 is the half-section schematic diagram 1 of the combustion box of the present application.
  • Fig. 2 is the half-section schematic diagram 2 of the combustion box wall of the present application.
  • Fig. 3 is the half-section schematic diagram 1 of the combustion box and the accessory device of the present application.
  • Fig. 4 is the half-section schematic diagram 2 of the combustion box and the accessory device of the present application.
  • FIG. 6 is a schematic structural diagram 2 of Embodiment 1 of the present application.
  • Fig. 8 is the structural representation 1 of the bottom plate of the combustion box
  • Fig. 9 is the structural representation 2 of the bottom plate of the combustion box
  • FIG. 10 is a schematic structural diagram 3 of the bottom plate of the combustion box.
  • a combustion box 1 includes a combustion box wall 2 and a combustion box bottom plate 6 installed at the bottom of the combustion box, the combustion box wall has a hollow interlayer air duct 11 (the combustion box wall is a double-layer structure, and both ends of the combustion box wall are The inner part of the inner wall of the combustion box (the inner wall of the combustion box wall) and the top are respectively provided with bottom air inlet holes 4 and top air inlets that communicate with the interlayer air duct 11 hole 5, 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 hole 4 is located above the combustion box bottom plate 6 .
  • the outer wall of the combustion box (outer side wall of the combustion box wall) can be provided with an air supply port 23 that communicates with the interlayer air duct 11 according to common knowledge.
  • 11 Conveying air After the air enters the interlayer air duct 11 on the wall of the combustion box, a part of the air enters the combustion box from the air inlet hole 4 at the bottom of the combustion box and mixes with the wood particles ignited on the bottom plate of the combustion box for primary combustion, and the other part of the air passes through the wall of the combustion box.
  • the interlayer air duct is preheated and blown out from the top air inlet hole 5 to mix with the hot flue gas and dust after primary combustion for secondary combustion.
  • the secondary combustion can increase the barbecue temperature in the furnace cavity to more than 800 degrees Fahrenheit due to repeated combustion, and on the other hand, burn off the flue gas and dust as much as possible to greatly improve the cleanliness of the furnace chamber, improve the combustion efficiency and the utilization rate of fuel, It highlights the energy saving and environmental protection advantages of wood pellet stove.
  • the wall of the combustion box is also connected with the auger tube feeder 14, the output end of the auger tube feeder 14 is located above the bottom plate 6 of the combustion box, and a feeding port is also opened on the input end of the auger tube feeder 15.
  • the feeding motor 19 can deliver charcoal or wood particles as fuel to the bottom plate of the combustion box from the feeding port 15, and ignite the charcoal or wood on the bottom plate of the combustion box through the ignition rod 10.
  • the inner wall of the top air inlet hole 5 is made into a semi-circular shape directed upward.
  • the air entering the interlayer air duct 11 is preheated first and then Then, it is discharged from the top air inlet hole 5, and the preheated air is blown upwards to increase the height of the flame, thereby further increasing the temperature above the combustion box.
  • an air guide fin 21 (that is, a guide fin) is installed in the interlayer air duct 11 , the guide fin 21 is installed in the interlayer air duct in a spiral shape, and both sides of the guide fin 21 are sealed with the wall of the interlayer air duct 11 .
  • the interlayer air duct is divided into spiral ventilation air ducts, and the air supply port 23 on the wall of the combustion box is opened at the lower part of the spiral ventilation air duct to prolong the circulation time of the air in the interlayer air duct, thus further making the air enter the interlayer air duct.
  • the spiral diversion is discharged from the top air inlet hole 5 to increase the temperature above the combustion box.
  • a hollow and sealed auger box 3 is set outside the combustion box, one end of the auger box is sealed with the air supply port on the wall of the combustion box, and the other end is sealed with the air supply fan , in order to further increase the flexibility of assembly and maintenance, the auger tube feeder 14 located in the rear half of the feed port 15 is sealed and installed in the auger box 3, and an adapter box 8 can also be installed in the auger Between the box 3 and the combustion box 1. As shown in FIG.
  • the adapter box 8 connected between the combustion box and the auger box 3 of the present application, the adapter box 8 connects the auger box 3 and the combustion box 1, and after the successful realization of the secondary combustion At the same time of air feeding, it also increases the flexibility of assembly and maintenance.
  • the combustion box itself or its bottom plate can be replaced individually, and a manhole 9 is added at the bottom of the auger pipe near the adapter box for easy maintenance. Or replace the ignition rod 10.
  • the air is introduced into the combustion box wall through the auger box 3, and a part of the air enters the combustion box from the bottom air inlet 4 to mix with the ignited wood particles for primary combustion, and the other part of the air passes through the interlayer air duct of the combustion box wall. It is preheated and blown out from the top air inlet hole 5 to mix with the hot flue gas and dust after primary combustion for secondary combustion.
  • the combustion box bottom plate 6 includes a fixed part 17 and a movable part 18, and the movable part 18 is installed inside the fixed part 17 and the movable part is 18 is rotatably installed with the fixed part 17.
  • the gap between the fixed part 17 and the movable part 18 is the smallest.
  • the gap can only leave the movable part 18 to rotate on the fixed part 17.
  • a variety of suitable deformations can be performed between the fixed part 17 and the movable part 18. For example, as shown in FIG.
  • the fixed part 17 and the movable part 18 can be sheet-like structures and there are several connected
  • a movable member 18 adapted to the fixed member is installed in the opening of the fixed member.
  • the fixing member 17 can be a ring structure, and a sheet-shaped movable member 18 is rotated and installed on the fixing member 17.
  • the bottom plate of the combustion box can be made into a hollow pattern, so as to be partially loose. The fine ash can also fall into the ash box when the bottom plate is not rotated at ordinary times, so as to achieve the purpose of partial cleaning in advance, as shown in Figure 9.
  • the rotating shaft 12 outside the combustion box 1 is connected to the movable part 18 through the combustion box wall.
  • the movable part is usually in a horizontal state.
  • a ash box 7 is placed under the combustion box bottom plate 6.
  • Such a structure for example, a gray box with a fixed handle can be directly placed under the bottom plate 6 of the combustion box, the shape of the gray box is adapted to the shape of the combustion box, and is cylindrical, as shown in Figure 3; the gray box 7 can also be The open cuboid structure is shown in Figure 4-7.
  • a detachable adapter 121 can be installed at the free end of the rotating shaft, as shown in FIG.
  • Flip the movable part 18; or the rotating shaft 12 can be directly connected with the handle 13 as a whole, as shown in FIG. 1; another example can also be processed into a retractable structure, the free end of the rotating shaft 12 is installed with the handle 13, when not in use ,
  • the rotating shaft 12 is shortened to the shortest state.
  • the rotating shaft 12 can be extended.
  • the ash can be smoothly poured into the ash box 7 at the bottom of the combustion box under the action of gravity, and then the bottom plate is restored to the usual horizontal state.
  • the ash box can be taken out to remove the slag ash and then put back into the bottom of the combustion box, saving the traditional When cleaning the dust, it is time-consuming and laborious to remove the fire cover and the drip tray on the combustion box and clean from the top.
  • the second embodiment is basically the same as the first embodiment, the difference is that the rotating shaft 12 can be driven to rotate by the motor 16 instead of being manually rotated.
  • the free end of the rotating shaft 12 is connected to the servo motor 16, and the movable part of the bottom plate of the combustion box is driven by the servo motor 16 to rotate 90 degrees through the rotating shaft 12 to become a vertical state, and the slag on the bottom plate of the burning box can be smoothly poured under the action of gravity. Put it into the ash box 7 at the bottom of the combustion box, and then the bottom plate returns to the usual horizontal state.
  • the ash box can be taken out to remove the slag ash and then put back into the bottom of the combustion box, eliminating the need to disassemble the upper part of the combustion box during traditional ash cleaning. Time consuming and laborious to remove and clean the fire cover and drip pan from above.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Fuel Combustion (AREA)

Abstract

本发明公开了一种新型木颗粒炉的燃烧盒,包括燃烧盒壁、燃烧盒底板,所述燃烧盒壁具有中空的夹层风道,燃烧盒外壁上开设有与夹层风道相连通的送风口,并在燃烧盒内壁底部和顶部分别开设有与夹层风道相连通的底部进风孔和顶部进风孔。本申请通过将燃烧盒壁设置成中空的夹层结构,能够将进入夹层风道中的一部份空气从底部进风孔进入与点燃的木颗粒混合进行一次燃烧,另一部份空气经过夹层风道预热后从顶部进风孔吹出与一次燃烧后的炽热的烟气粉尘混合进行二次燃烧。二次燃烧能将炉腔内烧烤温度提高到800华氏度以上,另一方面尽可能地燃烧掉烟气粉尘大大提高炉膛内洁净度,提高燃烧效率和燃料的利用率突显木颗粒炉的节能环保优势。

Description

一种新型木颗粒炉的燃烧盒 技术领域
本申请属于木颗粒炉(包括食物烤炉与取暖用炉)燃烧盒技术领域,尤其涉及一种新型木颗粒炉的燃烧盒。
背景技术
随着目前市场上木颗粒炉(包括食物烤炉与取暖用炉)的使用越来越广泛,人们日益追求在使用时的热效能、对环境的高洁净度以及清扫燃烧后残渣的方便性。
但传统的木颗粒炉的核心部件燃烧盒基本上是顶部开口的单壁桶状圆柱体,木颗粒与空气在圆柱体底部混合燃烧,由于仅能实现单次的不完全燃烧,会产生较多烟气与粉尘,既造成污染又浪费燃料,不利于清洁和节能减排的环保目标。
发明内容
针对现有技术中存在的问题,本申请提供了一种新型木颗粒炉的燃烧盒。
一种新型木颗粒炉的燃烧盒,包括燃烧盒壁、燃烧盒底板,所述燃烧盒壁具有中空的夹层风道,燃烧盒外壁(燃烧盒壁外侧壁)上开设有与夹层风道相连通的送风口,并在燃烧盒内壁(燃烧盒壁内侧壁)底部和顶部分别开设有与夹层风道相连通的底部进风孔和顶部进风孔。本申请通过将燃烧盒壁设置成中空的夹层结构,能够将进入夹层风道中的一部份空气从底部进风孔吹出与点燃的木颗粒混合进行一次燃烧,另一部份空气经过夹层风道预热后从顶部进风孔吹出与 一次燃烧后的炽热的烟气粉尘混合进行二次燃烧。二次燃烧一方面因多次燃烧能将炉腔内烧烤温度提高到800华氏度以上,另一方面尽可能地燃烧掉烟气粉尘大大提高炉膛内洁净度,此举无疑会大为提高燃烧效率和燃料的利用率,更加突显木颗粒炉的节能环保优势。
作为进一步改进方案,所述顶部进风孔内壁加工成往上导向的半圆状,用以方便预热的空气朝上吹出,提高火焰燃烧的高度,从而提高燃烧盒上方的温度。
作为进一步改进方案,所述夹层风道中呈螺旋状地安装有空气导流片,空气导流片两侧与夹层风道的壁面密封连接,从而将夹层风道分隔成螺旋状的通风风道。在夹层风道内进一步设置空气导流片,可以延长空气在夹层风道内的流动时间,进一步对空气进行预热,提高燃烧盒上方的温度。
作为进一步改进方案,所述燃烧盒底板包括固定件和活动件,固定件与活动件转动安装,固定件固定安装在燃烧盒内壁上,位于燃烧盒外部的转轴穿过燃烧盒壁与所述活动件连接,通过转动转轴使活动件在0‐90°之间翻转。作为承载木料燃烧的燃烧盒底板,将燃烧盒底板设置成固定件和活动件相转动安装形式,在承载木料燃烧功能的基础上,还可以通过转动活动件将灰渣排出燃烧盒。省却了传统清灰时需拆卸燃烧盒上面摭火盖及滴油盘并从上面清扫的费时费力。
作为进一步改进方案,所述转轴与把手连接或者所述转轴与电机连接,由电机驱动转动。通过把手转动或电机驱动转动转轴,省时省力,并能满足用户的不同需求。
作为进一步改进方案,所述固定件为圆形片状结构或圆形环状结构,活动件嵌合在固定件内并与之转动连接。
作为进一步改进方案,所述燃烧盒壁与绞龙管式送料机连接,绞龙管式送料机具有进料口,上料电机通过进料口可以将木炭或木料输送至燃烧盒底板上。通过蛟龙管式送料机就可以将木炭或木料输送至燃烧盒底板,可以满足用户远距离对燃烧盒填料,省时省力。
作为进一步改进方案,所述燃烧盒底板下方安放有可拆卸式灰盒。
作为进一步改进方案,所述灰盒为圆柱形或方形抽屉状。
作为进一步改进方案,位于进料口与燃烧盒之间的绞龙管式送料机外密封安装有一个绞龙盒,蛟龙盒为中空且两端开口结构,蛟龙盒一端与燃烧盒壁的送风口密封连接,蛟龙盒另一端与送风风机密封连接。将绞龙管式送料机安装在蛟龙盒内,可以通过送风风机及蛟龙盒对燃烧盒远距离输送空气,还增加了装配及维修时的灵活性。
下面对本申请做进一步说明:
本发明旨在对传统木颗粒炉的燃烧盒进行颠覆性的改造以达到此目标,并且增加了采用木炭或木头作为燃料的使用方式。
首先,本发明的燃烧盒壁部特殊设计具有二次燃烧的特性,燃烧盒是圆形、椭圆形、方形或其他多边形的柱体,燃烧盒壁是中空的作为夹层风道(燃烧盒壁为双层结构,且燃烧盒壁两端部封闭中间中空,中空部分的夹层作为空气流通用),燃烧盒内壁底部与顶部均有进风孔,该进风孔的形状及其排列方式可以有多种,送风风机产生的从绞 龙盒到达燃烧盒的新鲜空气,一部份从燃烧盒底部进风孔吹出与点燃的木颗粒混合进行一次燃烧,另一部份空气经燃烧盒壁螺旋导流片的夹层风道预热并在顶部出风孔吹出与一次燃烧后的炽热的烟气粉尘混合进行二次燃烧。二次燃烧一方面因多次燃烧能将炉腔内烧烤温度提高到800华氏度以上,另一方面尽可能地燃烧掉烟气粉尘大大提高炉膛内洁净度,此举无疑会大为提高燃烧效率和燃料的利用率,更加突显木颗粒炉的节能环保优势。而且,通过控制送风风机调节进风量,灵活控制燃烧工况,从而达到控制烟熏程度的多少,以满足人们对烟熏程度的风味的差异化需求。其次,本发明的燃烧盒底部的特殊设计可方便地清除燃烧后残余在燃烧盒底板上的渣灰,燃烧盒底板由固定件与活动件组成,活动件平时处于水平状态,在需要倾倒渣灰时,可通过延长转轴至端盖处的手动把手或电机,手动或电动地被驱动旋转90度成为垂直状态后,此时底板上的渣灰在重力作用下可顺利倒入到燃烧盒底部的灰盒(可为圆柱形独立式或方形抽屉式)内,然后底板再恢复到平时的水平状态,以后可将灰盒取出清除渣灰后再装回到燃烧盒底部,省却了传统清灰时需拆卸燃烧盒上面摭火盖及滴油盘并从上面清扫的费时费力。最后,本发明配备了燃烧盒与绞龙管相连接的特殊适配盒,在成功地实现二次燃烧送风送料的同时,还增加了装配及维修时的灵活性,可以单独地更换燃烧盒本身或其底板,而且在该适配盒下方的附近的绞龙管底部增加检修孔9,以便方便地维修或更换点火棒。
附图说明
图1是本申请燃烧盒的半剖示意图1,
图2是本申请燃烧盒壁的半剖示意图2,
图3是本申请燃烧盒及附属装置的半剖示意图1,
图4是本申请燃烧盒及附属装置的半剖示意图2,
图5是本申请实施例1的结构示意图1,
图6是本申请实施例1的结构示意图2,
图7是本申请实施例2的结构示意图1,
图8是燃烧盒底板的结构示意图1,
图9是燃烧盒底板的结构示意图2,
图10是燃烧盒底板的结构示意图3。
附图标记:1‐燃烧盒、2‐燃烧盒壁、3‐绞龙盒、4‐底部进风孔、5‐顶部进风孔、6‐燃烧盒底板、7‐灰盒、8‐适配盒、9‐检修孔、10‐点火棒、11‐夹层风道、12‐转轴、13‐把手、14‐绞龙管式送料机、15‐进料口、16‐伺服电机、17‐固定件、18‐活动件、19‐上料电机、20‐送风风机、21‐导流片、22‐绞龙、23送风口
具体实施方式
下面结合附图对本申请做进一步说明:
实施例1
一种燃烧盒1,包括燃烧盒壁2和安装在燃烧盒底部的燃烧盒底板6,所述燃烧盒壁具有中空的夹层风道11(燃烧盒壁为双层结构, 且燃烧盒壁两端部封闭中间中空,中空部分的夹层作为空气流通用),并在燃烧盒内壁(燃烧盒壁内侧壁)底部和顶部分别开设有与夹层风道11相连通的底部进风孔4和顶部进风孔5,如图1所示。从图1中可以看出燃烧盒底板6安装在燃烧盒底部,底部进风孔4位于燃烧盒底板6上方。燃烧盒外壁(燃烧盒壁外侧壁)可以根据公知常识开设有与夹层风道11相连通的送风口23,送风口23与送风风机20连接,由送风风机20通过送风口对夹层风道11输送空风。空气进入燃烧盒壁的夹层风道11后,一部分空气从燃烧盒底部进风孔4进入燃烧盒内与燃烧盒底板上点燃的木颗粒混合进行一次燃烧,另一部份空气经燃烧盒壁的夹层风道预热并在顶部进风孔5吹出后与一次燃烧后的炽热的烟气粉尘混合进行二次燃烧。二次燃烧一方面因多次燃烧能将炉腔内烧烤温度提高到800华氏度以上,另一方面尽可能地燃烧掉烟气粉尘大大提高炉膛内洁净度,提高燃烧效率和燃料的利用率,更加突显木颗粒炉的节能环保优势。
所述燃烧盒壁还与绞龙管式送料机14连接,绞龙管式送料机14的输出端位于燃烧盒底板6的上方,在绞龙管式送料机输入端上还开设有进料口15,上料电机19从进料口15可以将木炭或木颗粒作为燃料输送至燃烧盒底板上,通过点火棒10对燃烧盒底板上的木炭或木料点燃。
在一种实施方式中,为了使燃烧盒上方的温度提高,顶部进风孔5内壁做成往上导向的半圆状,如图2所示,进入夹层风道11中的空气先进行预热后再从顶部进风孔5处排出,预热的空气朝上吹出, 提高火焰燃烧的高度,从而进一步提高燃烧盒上方的温度。同时在夹层风道11内安装有空气导流片21(即导流片),导流片21呈螺旋形状安装在夹层风道内,导流片21的两侧与夹层风道11的壁面密封连接,将夹层风道分隔成螺旋状的通风风道,燃烧盒壁上的送风口23开设在螺旋状的通风风道下部,延长空气在夹层风道内的流通时间,因此进一步使得空气进入夹层风道螺旋导流预热后从顶部进风孔5处排出,提高燃烧盒上方的温度。
在一种实施方式中,为了使送风方便,在燃烧盒外设置一个中空密封的绞龙盒3,绞龙盒一端与在燃烧盒壁的送风口密封连接,另一端与送风风机密封连接,进一步的为了增加装配及维修的灵活性,将位于进料口15后半部分的绞龙管式送料机14密封安装在绞龙盒3内,也可以将一个适配盒8安装在绞龙盒3与燃烧盒1之间。如图3所示,本申请燃烧盒与绞龙盒3之间相连接的特殊适配盒8,适配盒8将绞龙盒3与燃烧盒1相连接,在成功地实现二次燃烧送风送料的同时,还增加了装配及维修时的灵活性,可以单独地更换燃烧盒本身或其底板,而且在该适配盒下方的附近的绞龙管底部增加检修孔9,以便方便地维修或更换点火棒10。此时,通过绞龙盒3通入空气进入燃烧盒壁,一部分空气从底部进风孔4进入燃烧盒内与点燃的木颗粒混合进行一次燃烧,另一部份空气经燃烧盒壁夹层风道预热并在顶部进风孔5吹出与一次燃烧后的炽热的烟气粉尘混合进行二次燃烧。
在一种实施方式中,为了方便清除燃烧后残余在燃烧盒底板6上的渣灰,所述燃烧盒底板6包括固定件17和活动件18,活动件18 安装在固定件17内侧并且活动件18与固定件17转动安装,当固定件17和活动件18同处于水平面时,固定件17和活动件18之间的缝隙最小,比如该缝隙可以只留出活动件18在固定件17上转动用。此外,固定件17和活动件18之间可以进行多种相适配的变形,比如,如图8所示,固定件17和活动件18可以为片状结构并在其上开设有若干个相连通的开口,相对应的,在固定件的开口内安装与之相适配的活动件18。又如图9、图10所示,固定件17可以为一个圆环结构,在固定件17转动安装片状形的活动件18,进一步的燃烧盒底板可以做成镂空花纹状,以便部份松散细小的灰渣能在平时不旋转底板时也能掉落到灰盒里,达到预先部份清灰的目的,如图9所示。
燃烧盒1外部的转轴12穿过燃烧盒壁与活动件18连接,活动件平时处于水平状态,为了便于收集灰渣,在燃烧盒底板6下方放置有灰盒7,该灰盒7可以采用多种结构,例如,可以直接将带有固定把手的灰盒放在燃烧盒底板6下方,灰盒形状与燃烧盒形状相适配,为圆柱形,如图3所示;灰盒7也可以为开口的长方体结构,如图4‐图7所示。在需要倾倒渣灰时,可以直接转动转轴12就可以将燃烧盒底板6上的灰渣倾倒在灰盒7内。
进一步的,为了使转轴转动方便,比如,可以在转轴自由端安装一个可拆卸式转接头121,如图6所示,可以将转接头121与长条状的把手13连接,通过转动把手13可以将活动件18翻转;或者可以将转轴12直接与把手13连接成一体,如图1所示;又如也可以将转轴12加工成可伸缩结构,转轴12自由端安装把手13,在不使用时, 将转轴12缩至最短状态,需要使用时,可通过延长转轴12,图5、图6所示,手动地被驱使活动件18旋转90度成为垂直状态后,此时燃烧盒底板上的渣灰在重力作用下可顺利倒入到燃烧盒底部的灰盒7内,然后底板再恢复到平时的水平状态,以后可将灰盒取出清除渣灰后再装回到燃烧盒底部,省却了传统清灰时需拆卸燃烧盒上面摭火盖及滴油盘并从上面打扫的费时费力。
实施例2
本实施例2与实施例1的大体相同,所不同的是,转轴12可通过电机16带动转动,代替手动转动。转轴12自由端与伺服电机16连接,燃烧盒底板的活动件通过转轴12被伺服电机16电动地驱使旋转90度成为垂直状态后,此时燃烧盒底板上的渣灰在重力作用下可顺利倒入到燃烧盒底部的灰盒7内,然后底板再恢复到平时的水平状态,以后可将灰盒取出清除渣灰后再装回到燃烧盒底部,省却了传统清灰时需拆卸燃烧盒上面摭火盖及滴油盘并从上面打扫的费时费力。

Claims (10)

  1. 一种新型木颗粒炉的燃烧盒,包括燃烧盒壁、燃烧盒底板,其特征在于:所述燃烧盒壁具有中空的夹层风道,燃烧盒外壁上开设有与夹层风道相连通的送风口,并在燃烧盒内壁底部和顶部分别开设有与夹层风道相连通的底部进风孔和顶部进风孔。
  2. 根据权利要求1所述的燃烧盒,其特征在于:所述顶部进风孔内壁加工成往上导向的半圆状,用于方便预热的空气朝上吹出。
  3. 根据权利要求1或2所述的燃烧盒,其特征在于:所述夹层风道中呈螺旋状地安装有空气导流片,空气导流片两侧与夹层风道的壁面密封连接,从而将夹层风道分隔成螺旋状的通风风道。
  4. 根据权利要求1或2或3所述的燃烧盒,其特征在于:所述燃烧盒底板包括固定件和活动件,固定件与活动件转动安装,固定件固定安装在燃烧盒内壁上,位于燃烧盒外部的转轴穿过燃烧盒壁与所述活动件连接,通过转动转轴使活动件在0-90°之间翻转。
  5. 根据权利要求4所述的燃烧盒,其特征在于:所述转轴与把手连接或者所述转轴与电机连接,由电机驱动转动。
  6. 根据权利要求4所述的燃烧盒,其特征在于:所述固定件为圆形片状结构或圆形环状结构,活动件嵌合在固定件内并与之转动连接。
  7. 根据权利要求1-6任一一项所述的燃烧盒,其特征在于:所述燃烧盒壁与绞龙管式送料机连接,绞龙管式送料机具有进料口,上料电机通过进料口可以将木炭或木料输送至燃烧盒底板上。
  8. 根据权利要求7所述的燃烧盒,其特征在于:所述燃烧盒底板下方安放有可拆卸式灰盒。
  9. 根据权利要求8所述的燃烧盒,其特征在于:所述灰盒为圆柱形或方形抽屉状。
  10. 根据权利要求7所述的燃烧盒,其特征在于:位于进料口与燃烧盒之间的绞龙管式送料机外密封安装有一个绞龙盒,蛟龙盒为中空且两端开口结构,蛟龙盒一端与送风口密封连接,蛟龙盒另一端与送风风机密封连接。
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CN202253599U (zh) * 2011-07-27 2012-05-30 北京九阳实业公司 自动化生物质颗粒炉
US8336537B1 (en) * 2008-04-07 2012-12-25 John M. Peters, Jr. Sawdust/pellets/waste stove or dryer
CN108224479A (zh) * 2018-04-16 2018-06-29 赵凯 一种生物颗粒炉

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US8336537B1 (en) * 2008-04-07 2012-12-25 John M. Peters, Jr. Sawdust/pellets/waste stove or dryer
CN202253599U (zh) * 2011-07-27 2012-05-30 北京九阳实业公司 自动化生物质颗粒炉
CN108224479A (zh) * 2018-04-16 2018-06-29 赵凯 一种生物颗粒炉

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