WO2014086135A1 - 野营炉 - Google Patents

野营炉 Download PDF

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Publication number
WO2014086135A1
WO2014086135A1 PCT/CN2013/076695 CN2013076695W WO2014086135A1 WO 2014086135 A1 WO2014086135 A1 WO 2014086135A1 CN 2013076695 W CN2013076695 W CN 2013076695W WO 2014086135 A1 WO2014086135 A1 WO 2014086135A1
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WO
WIPO (PCT)
Prior art keywords
combustion
furnace
furnace body
cylinder
cone
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Application number
PCT/CN2013/076695
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English (en)
French (fr)
Inventor
蒋立维
Original Assignee
成都风伦达科技有限公司
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Application filed by 成都风伦达科技有限公司 filed Critical 成都风伦达科技有限公司
Publication of WO2014086135A1 publication Critical patent/WO2014086135A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C1/00—Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified
    • F24C1/16—Stoves or ranges in which the fuel or energy supply is not restricted to solid fuel or to a type covered by a single one of the following groups F24C3/00 - F24C9/00; Stoves or ranges in which the type of fuel or energy supply is not specified with special adaptation for travelling, e.g. collapsible

Definitions

  • the present invention relates to an outdoor product, and more particularly to a stove for heating food outdoors.
  • the existing camping stove also has an insurmountable problem that the heat utilization rate of the camping stove is not high.
  • the temperature of the fire is a key factor in ensuring that the food can be cooked quickly.
  • the existing camping furnace seriously restricts the effective increase of the furnace temperature.
  • the furnace itself is mostly provided with only one burner for ignition, and a claw bracket is generally used on the stove to support the heating container.
  • a claw bracket is generally used on the stove to support the heating container.
  • the furnace is located inside the furnace body, and the branches and waste paper collected on site can be used as fuel for adding fuel to the furnace. It is easy to burn, even if it can't produce high flame temperature, so it is not considered as a special camping stove.
  • the existing camping stove is not reasonable enough in structure design, so it cannot provide a high furnace temperature and high utilization rate of fuel while having a small volume, so it cannot satisfy people for long time outdoors.
  • the present invention provides a camping stove that can provide a user with a higher temperature of the furnace while using a smaller volume while using less fuel.
  • the technical solution of the present invention is a camping stove comprising a furnace body and a furnace inside the furnace body, the furnace chamber being an inner cavity of an open cone combustion cylinder, the cone combustion cylinder
  • the opening is a taper, and the taper is directed to the furnace mouth of the furnace body, and a space is left between the bottom surface of the conical combustion cylinder and the bottom surface of the furnace body;
  • the side wall and the bottom surface of the conical combustion cylinder are uniformly distributed a combustion hole;
  • a ventilation port is formed on an outer side of the furnace body, and a through connection is formed between the combustion hole and a vent of the furnace body, and the air enters the vent hole and then enters the combustion tube through the combustion hole;
  • the fuel in the furnace burns
  • each of the combustion holes on the conical combustion cylinder can form a cluster of flames, and the flame is driven by the ascending airflow to gather at the taper of the conical combustion cylinder to form a vertical upward fire.
  • the upper portion of the conical combustion cylinder is a conical table, and the lower portion is a cylindrical structure, and the diameter of the bottom surface of the conical table is equal to the diameter of the cylinder.
  • the tapered combustion cylinder has a taper diameter of 90 mm ⁇ 5 mm and a bottom diameter of 120 mm ⁇ 5 mm.
  • the distance between the bottom surface of the cone-shaped combustion tube and the bottom surface of the furnace body is 20 mm to 40 mm.
  • the hole diameter of the combustion hole on the side wall of the cone-shaped combustion tube is 4 ⁇ -6 ⁇
  • the hole diameter of the bottom combustion hole is 5mm-8mm
  • the hole diameter is 20mm-30mm.
  • the furnace body is a multi-layered sleeve structure, and a gap of more than 10 ⁇ is left between adjacent sleeves; the multi-layered sleeve structure is sequentially an outer cylinder and an insulated cylinder coaxially sleeved from the outside to the inside. And a cone-shaped combustion tube; the inner wall of the outer cylinder is provided with a heat insulating material layer; the multi-layer sleeve structure is provided with a ventilation passage, and one end of the air passage is connected with a vent on the furnace body , the other end with The combustion holes on the combustion tube are connected.
  • the upper portion of the side wall of the outer cylinder is provided with 3-4 rows of circular vents or a strip-shaped vent with a damper adjustable size, and the insulating tube and the lower portion of the flow tube are provided with a bypass port;
  • the vent, the gap between the outer tube and the heat insulating tube, the flow port, the gap between the flow tube and the combustion tube, and the combustion hole are sequentially connected to each other to form a ventilating path having a curved path.
  • the outer cylinder is provided with at least two reinforcing ribs in the circumferential direction.
  • the furnace body is provided with a cylindrical fire head cover
  • the side wall of the cylindrical fire head cover is provided with a feeding port
  • the upper end is provided with a flare
  • the lower end is provided with a combustion port
  • the combustion port is equal in size to the diameter of the furnace mouth
  • the cylindrical fire head cover and the flared side wall are provided with ventilation holes; at the lower edge of the combustion port, a connector is provided, and the connector is matched with the shape of the furnace mouth, and the cylindrical fire head can be
  • the cover is firmly inserted at the furnace mouth of the furnace body; the inner diameter of the cylindrical fire head cover is larger than the outer diameter of the furnace body, and can be reversed on the furnace body.
  • the two sides of the furnace body are provided with a buckle, and the edge of the flared portion is provided with an everted curling edge, and the buckle can be overlapped at the beading edge, and the cylindrical fire head cover is locked to the furnace Physically.
  • the present invention provides a conical combustion cylinder, the inner chamber of which is a furnace of a combustion furnace, and a combustion hole uniformly distributed on the side wall and the bottom surface of the conical combustion cylinder.
  • the combustion holes are connected to the vents on the furnace body through the air passages.
  • the fuel is ignited in the furnace.
  • each combustion hole can form a cluster of flames.
  • the flame is driven by the updraft and gathers at the taper of the cone to form a vertical upward fire. Since the flame is distributed in the combustion cylinder, the fuel can be heated at various angles in the combustion cylinder until it is fully combusted, thereby improving fuel utilization.
  • the fire in the present invention has a high temperature.
  • the present invention can not only reduce the volume of the camping stove as a whole without relying on the fuel supply of the gas storage device, but also add fuel to the furnace in the furnace to obtain a higher fire after full combustion. temperature. Therefore, the present invention can adapt to the needs of the user for the cooked processing of food under different environments.
  • Figure 1 is a schematic view of the internal structure of the present invention
  • Figure 2 is a schematic view showing the structure of a conical combustion cylinder in the present invention
  • Figure 3 is a schematic view showing the state of use of the present invention
  • Fig. 4 is a schematic view showing the storage state of the present invention.
  • furnace body 2, outer cylinder, 3, ribs, 4, insulation layer, 5, heat insulation tube, 6, around the flow tube, 7, conical combustion tube, 8, combustion holes, 9 ,
  • Connector 10, flare, 11, cylindrical fire head cover, 12, feed port, 13, cone, 14, damper, 15, strip vent, 16, vent, 17, buckle.
  • the core idea of the invention is to change the structure of the hearth in the camping stove, design it as a cone-shaped combustion tube, and arrange evenly distributed combustion holes on the side wall and the bottom surface of the cone-shaped combustion tube so that all angles in the furnace are all With a burning point, the fuel can be fully burned, and after the flames of multiple burning points are gathered to form a fire, the fire will have a higher temperature.
  • a camping stove includes a furnace body 1 and a furnace chamber inside the furnace body 1.
  • the furnace body 1 is a multi-layered sleeve structure which in turn consists of an outer cylinder 2, a heat-dissipating cylinder 5, a flow-through cylinder 6 and a combustion cylinder which are coaxially sleeved from the outside to the inside.
  • a spacing is left between adjacent sleeves and the spacing is greater than 10 mm.
  • a heat insulating material layer 4 is attached to the inner wall of the outer cylinder 2.
  • the layer of heat insulating material 4 may be selected from aluminum silicate fibers.
  • the hearth corresponds to the inner cavity of the combustion cylinder, which is a conical combustion cylinder 7 having an opening. Since the conical combustion cylinder 7 is a core member in the present invention, its structure will be specifically described herein:
  • the upper end opening of the conical combustion cylinder 7 is a taper 13 which is directed to the furnace opening of the furnace body 1.
  • the taper 13 of the conical combustion cylinder has a diameter of 90 mm ⁇ 5 mm and a bottom diameter of 120 mm ⁇ 5 mm.
  • the conical combustion cylinder 7 can be arranged as a cone with a small upper and a large smooth transition; it can also be configured such that the upper portion is a conical table and the lower portion is a cylindrical structure, and the diameter of the bottom surface of the conical table is equal to the diameter of the cylinder.
  • the side walls and the bottom surface of the conical combustion cylinder 7 are provided with combustion holes 8 which are uniformly distributed.
  • the diameter of the combustion hole 8 on the side wall of the conical combustion cylinder 7 is 4 mm to 6 mm, and the diameter of the bottom combustion hole 8 is 5 mm to 8 mm.
  • the holes of the side wall and the bottom combustion hole 8 are each 20 mm to 30 mm.
  • the furnace is continuously burned.
  • a vent is provided on the outer side of the furnace body 1, and a bottom surface of the conical combustion cylinder 7 is spaced from the bottom surface of the furnace body 1, and the pitch is 20 mm to 40 mm.
  • the combustion holes 8 in the conical combustion cylinders 7 form a through connection with the vents of the furnace body 1, and the air enters the vents on the furnace body 1, and then enters the conical combustion cylinders 7 through the combustion holes 8.
  • the fuel in the cone-shaped combustion cylinder 7 is first angered by the high temperature to generate a combustible gas.
  • the air is mainly oxygen, which is filled by the combustion hole 8 of the conical combustion cylinder and then mixed with the combustible gas to be fully combusted.
  • each of the combustion holes 8 forms a cluster of flames, and the plurality of clusters of flames are driven by the ascending airflow to gather at the taper 13 of the conical combustion cylinder 7 to form a vertical upward fire. Since the fuel in the furnace can be sufficiently burned, the present invention produces only a small amount of smoke during use.
  • the fuel in the present invention is fueled by biomass solids, and can be taken on site, for example: Any leaf, root, bark, pine branch, pine cone, hay, straw, wheat straw, waste paper and the like can be used as fuel. . Thus, the applicability of the present invention is strong.
  • the present invention also has a special arrangement for providing a passage for oxygen, as follows:
  • a ventilation duct is provided on the multi-layered sleeve structure, and one end of the air passage is on the furnace body 1 The vent is connected, and the other end is connected to the combustion hole 8 on the combustion tube.
  • the specific structure of the air passage is as follows:
  • the upper portion of the side wall of the outer cylinder 2 is provided with a strip-shaped vent 15 of adjustable size, and the size is adjusted by sliding the damper 14 disposed on the strip vent 15. Or three or four rows of evenly distributed circular vents are provided on the upper portion of the side wall of the outer cylinder 2.
  • a flow port is provided at a lower portion of the heat insulating tube 5 and the flow tube 6, and the height of the flow port is 30 mm to 50 mm.
  • the strip vent 15, the gap between the outer tube 2 and the heat insulating tube 5, the flow port, the gap between the flow tube 6 and the conical combustion tube 7, and the combustion hole 8 are sequentially connected to each other to form a bend.
  • the air duct of the path is sequentially connected to each other to form a bend.
  • the air is gradually heated during the process of entering the air passage.
  • the outdoor low temperature air is preheated to a high temperature air close to the temperature inside the furnace body 1. Its function is that the preheated high temperature air does not adversely affect the temperature inside the furnace. Avoid the furnace encounter The repeated heating process of cooling the air and heating up again keeps the heat energy in the furnace as much as possible. At the same time, the restriction of cold air to the maximum temperature in the furnace is also avoided.
  • the present invention is an outdoor product, it is required to have a high strength, so that the reinforcing rib 3 is provided in the circumferential direction of the outer cylinder 2.
  • the ribs 3 can be arranged at equal intervals in the axial direction.
  • a cylindrical fire head cover 11 is disposed on the furnace body 1, and a vent hole 16 is disposed on the side wall of the cylindrical fire head cover 11.
  • the cylindrical fire head cover 11 is provided with a feed port 12 on its side wall; a flared end 10 is provided at the upper end; a flared or cylindrical body is available for the flare 10; and a combustion port is provided at the lower end, the combustion
  • the mouth is equal in diameter to the mouth of the furnace.
  • the flare 10 is used for placing the heating container; the burner port provides a passage for the rising fire to make the fire and the bottom of the heating container smoothly contact.
  • the feed port 12 functions to add fuel directly to the furnace without having to end the heating vessel.
  • a connector 9 is provided at the lower edge of the combustion port, and the shape of the connector 9 matches the shape of the furnace mouth, and the cylinder can be used.
  • the body fire hood 1 1 is firmly inserted at the mouth of the furnace body 1.
  • the inner diameter of the cylindrical fire head cover 11 is set to be larger than the outer diameter of the furnace body 1 for the convenience of carrying the present invention. Such an arrangement allows the cylindrical fire head cover 1 1 to be inverted on the furnace body 1. An everted flange is provided at the edge of the flare 10, and a buckle 17 is provided on both sides of the furnace body 1. The buckle 17 can be fastened to the furnace body 1 by lap jointing at the curling edge of the flare 10 to lock the cylinder head cover.
  • the invention is small in size, and it can be known from actual tests that the present invention has high utilization rate of fuel.
  • 10 newspapers can be used for a meal.
  • the concept of a meal is roughly: 2. 5 two meters, two eggs, two sections of fire legs, a dish of cabbage.
  • the temperature generated by the fire is also high, and the furnace core temperature is close to 1000 °C.

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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

一种野营炉，包括炉体以及炉体内部的炉膛，所述炉膛为具有开口的锥形燃烧筒的内腔，该锥形燃烧筒的开口为锥口，该锥口指向炉体的炉口处，锥形燃烧筒的底面与炉体的底面之间留有间距；所述锥形燃烧筒的侧壁以及底面上设有均匀分布的燃烧孔；所述炉体的外侧设有通风口，所述燃烧孔与炉体的通风口之间形成贯通连接，空气进入通风口后再由燃烧孔进入燃烧筒内。燃料在燃烧筒内多角度被加热，直至充分燃烧，进而提高了燃料利用率。另外，由于炉火是在燃料充分燃烧的情况下经过多簇火焰聚集形成的，所以炉火具有较高的温度。故不仅在整体上减少了野营炉的体积，还能够将燃料进行充分燃烧后获得较高的炉火温度。

Description

野营炉 本申请要求于 2012 年 12 月 4 日提交中国专利局、 申请号为 201210512423.2、 发明名称为"野营炉"的中国专利申请的优先权， 其全部 内容通过引用结合在本申请中。 技术领域
本发明涉及一种户外用品， 具体为一种可在户外对食物进行加热的炉 具。
背景技术
人们在长时间进行户外活动的时候， 无论是用于野餐， 还是为了维持 基本的生存需要，都不可避免的需要对食物进行熟制加工。针对这一需求， 市面上虽然已经出现了种类各异的野营炉， 但是都离不开两个构成部分， 一个是加热装置， 另一个则是独立的燃气存储供给装置。 这样所产生的问 题是： 一方面， 对于长时间处于户外的人员来说， 现有野营炉由于占用体 积大以及重量重， 会成为负累； 另一方面， 燃气存储供给装置， 例如燃气 管， 所能携带的燃料十分有限， 不能满足人们长时间户外活动的需要， 并 且在户外环境中无法重复利用。
现有野营炉还具有一个难以克服的问题是， 野营炉的热利用率不高。 炉火温度的高低是保证能够快速熟制加热食物的关键因素。 但是现有野营 炉由于炉体本身结构上的不足， 严重制约着炉火温度的有效升高。 例如， 现有野营炉为了减小体积，所以炉体本身大多仅设置一个用于点火的灶头， 而在灶头上一般采用爪式支架来支撑加热容器。 这样虽然缩小了野营炉的 整体体积， 但却使得炉火在燃烧过程中不够集中。 尤其是在起风的天气， 由于爪式支架为开放式， 不具备防风的功能， 受到风力大小以及风向的影 响， 使得现有野营炉中的炉火很容易产生偏移。 进而造成炉火热利用率低 下的问题。
而对传统的火炉结构来说， 炉膛位于炉体的内部， 通过向炉膛内添加 现场收集的树枝、 废纸即可作为燃料使用， 而无需单独配备燃气存储供给 易燃烧， 即使燃烧也无法产生较高的火焰温度， 所以不被考虑作为专门的 野营炉使用。
综上所述， 现有野营炉由于结构上设计的不够合理， 所以不能在具备 小体积的同时， 还能够提供较高的炉火温度以及燃料的高利用率， 故无法 满足人们进行长时间户外活动的需求。 发明内容
有鉴于此， 本发明提供一种野营炉， 使其在具备较小体积的同时， 能 够利用较少的燃料， 为用户提供温度较高的炉火温度。
为解决以上技术问题， 本发明的技术方案是， 一种野营炉， 包括炉体 以及炉体内部的炉膛， 所述炉膛为一个具有开口的锥形燃烧筒的内腔， 该 锥形燃烧筒的开口为锥口， 该锥口指向炉体的炉口处， 锥形燃烧筒的底面 与炉体的底面之间留有间距； 所述锥形燃烧筒的侧壁以及底面上设有均匀 分布的燃烧孔； 所述炉体的外侧设有通风口， 所述燃烧孔与炉体的通风口 之间形成贯通连接， 空气进入通风口后再由燃烧孔进入燃烧筒内； 所述炉 膛内燃料燃烧时， 锥形燃烧筒上的每一个燃烧孔均可形成一簇火焰， 火焰 受上升气流的带动， 在锥形燃烧筒的锥口处聚集形成竖直向上的炉火。
进一步， 所述锥形燃烧筒的上部为锥形台， 下部为圓柱体结构， 所述 锥形台的底面直径与圓柱体的直径相等。
进一步，所述锥形燃烧筒的锥口直径为 90mm ± 5mm,底面直径为 120mm 士 5mm。
进一步， 所述锥形燃烧筒底面与炉体底面的间距为 20mm-40mm。
进一步， 所述锥形燃烧筒侧壁上燃烧孔的孔径为 4匪- 6匪， 底面燃烧 孔的孔径为 5mm- 8mm, 孔巨均为 20mm- 30mm。
进一步， 所述炉体为多层套筒结构， 相邻套筒之间均留有大于 10匪 的间隙； 该多层套筒结构依次由从外向内同轴套接的外筒、 隔热筒、 绕流 筒以及锥形燃烧筒组成； 所述外筒的内壁上附有绝热材料层； 所述多层套 筒结构上设有通风道， 该通风道的一端与炉体上的通风口连接， 另一端与 燃烧筒上的燃烧孔连接。
进一步， 所述外筒侧壁的上部设有 3-4排圓形通风口或带有风门可调 节大小的条形通风口， 所述隔热筒与绕流筒的下部设有绕流口； 所述通风 口、 外筒与隔热筒之间的间隙、 绕流口、 绕流筒与燃烧筒之间的间隙以及 燃烧孔依次贯通连接， 形成具有弯曲路径的通风道。
进一步， 所述外筒的环向设有至少两个加强筋。
进一步， 所述炉体上设有圓柱体火头罩， 该圓柱体火头罩的侧壁设有 进料口， 上端设有扩口， 下端设有燃烧口， 该燃烧口与炉口的直径大小相 等； 所述圓柱体火头罩与扩口的侧壁上均设有通风孔； 在燃烧口的下沿位 置设有插接件， 该插接件与炉口的形状相匹配， 可将圓柱体火头罩稳固插 接在炉体的炉口处； 所述圓柱体火头罩的内径大于炉体的外径， 可倒扣于 炉体上。
进一步， 所述炉体的两侧设有搭扣， 所述扩口的边沿处设有外翻的卷 边， 所述搭扣可搭接在卷边处， 将圓柱体火头罩锁紧于炉体上。
与现有技术相比， 本发明设置了锥形燃烧筒， 该燃烧筒的内腔为燃烧 炉的炉膛， 在锥形燃烧筒的侧壁以及底面上设有均勾分布的燃烧孔。 燃烧 孔通过通风道与炉体上的通风口连接。 在炉膛中引燃燃料， 空气进入燃烧 孔时， 每一个燃烧孔均可形成一簇火焰， 火焰受上升气流的带动， 在锥形 燃烧筒的锥口处聚集形成竖直向上的炉火。由于燃烧筒内均勾分布有火焰， 所以燃料可以在燃烧筒内多角度被加热， 直至充分燃烧， 进而提高了燃料 的利用率。 另外， 由于炉火是在燃料充分燃烧的情况下经过多簇火焰聚集 形成的， 所以本发明中的炉火具有较高的温度。 综上所述， 本发明不仅可 以不依赖于燃气存储装置的燃料补给， 在整体上减少了野营炉的体积； 还 能够向炉膛内添加现场取材的燃料，进行充分燃烧后获得较高的炉火温度。 故本发明能够适应在不同环境下， 用户对食物进行熟制加工的需要。
附图说明
图 1是本发明的内部结构示意图；
图 2是本发明中锥形燃烧筒的结构示意图； 图 3是本发明的使用状态示意图；
图 4是本发明的收纳状态示意图。
图中： 1、 炉体， 2、 外筒， 3、 加强筋， 4、 隔热材料层， 5、 隔热筒， 6、 绕流筒， 7、 锥形燃烧筒， 8、 燃烧孔， 9、 插接件， 10、 扩口， 11、 圓 柱体火头罩， 12、 进料口， 13、 锥口， 14、 风门， 15、 条形通风口， 16、 通风孔， 17、 搭扣。
具体实施方式
本发明的核心思路是， 改变野营炉中炉膛的结构， 将其设计为锥形燃 烧筒， 并在锥形燃烧筒的侧壁和底面上设置均匀分布的燃烧孔， 使炉膛内 的各个角度均拥有燃烧点， 以此使得燃料可进行充分燃烧， 并且多燃烧点 的火焰聚集形成炉火后， 炉火会具备较高的温度。
为了使本领域的技术人员更好地理解本发明的技术方案， 下面结合附 图和具体实施例对本发明作进一步的详细说明。
参见图 1 , 一种野营炉， 包括炉体 1 以及炉体 1 内部的炉膛。 炉体 1 为多层套筒结构， 该多层套筒结构依次由从外向内同轴套接的外筒 2、 隔 热筒 5、 绕流筒 6 以及燃烧筒组成。 在相邻套筒之间均留有间距， 并且该 间距大于 10mm。 为了保证炉火的温度不会从炉体 1上过度散失， 以及保护 使用者不会被炉温烫伤， 所以在外筒 2的内壁上附有隔热材料层 4。 该隔 热材料层 4可选用硅酸铝纤维。
在本发明中， 炉膛对应为燃烧筒的内腔， 该燃烧筒是一个具有开口的 锥形燃烧筒 7。 由于锥形燃烧筒 7是本发明中的核心构件， 在此对其结构 进行具体描述：
参见图 2 ,该锥形燃烧筒 7的上端开口为锥口 13 ,该锥口 13指向炉体 1的炉口处。锥形燃烧筒 Ί的锥口 13直径为 90mm ± 5mm,底面直径为 120mm ± 5mm。锥形燃烧筒 7可设置为上小下大平滑过渡的锥筒；也可设置为上部 为锥形台， 下部为圓柱体的结构，锥形台的底面直径与圓柱体的直径相等。 锥形燃烧筒 7的侧壁以及底面上设有均勾分布的燃烧孔 8。 其中， 锥形燃 烧筒 7侧壁上燃烧孔 8的孔径为 4mm-6mm,底面燃烧孔 8的孔径为 5mm-8mm。 侧壁以及底面燃烧孔 8的孔巨均为 20mm-30mm。
为了使空气顺利进入燃烧筒内， 以辅助炉火持续燃烧。 在炉体 1的外 侧设有通风口， 锥形燃烧筒 7的底面则是与炉体 1的底面之间留有间距， 该间距为 20mm-40mm。 锥形燃烧筒 7上的各处燃烧孔 8与炉体 1的通风口 形成贯通连接， 空气由炉体 1上的通风口进入后， 再由燃烧孔 8进入锥形 燃烧筒 7内。
向炉膛内添加燃料并点燃后， 锥形燃烧筒 7中的燃料会首先在高温的 作用下分愤产生可燃气体。 空气主要是氧气， 由锥形燃烧筒 Ί的燃烧孔 8 进入后与可燃气体混合后， 进行充分燃烧。 在燃烧过程中每一个燃烧孔 8 均可形成一簇火焰， 多簇火焰受上升气流的带动， 在锥形燃烧筒 7的锥口 1 3处聚集形成竖直向上炉火。 由于炉膛中的燃料能够得到充分的燃烧， 所 以本发明在使用过程中仅产生少量的烟雾。 本发明中的燃料以生物质固体 为燃料， 均可现场取材， 例如： 任何的树叶， 树根， 树皮， 松枝， 松塔， 干草， 稻草， 麦秸， 废纸等可燃性物质均可作燃料。 由此可见， 本发明的 适用性强。
为了进一步增强本发明对燃料施行充分燃烧的目的， 本发明对于提供 氧气的通道也有特殊的设置， 具体如下：
参见图 1 , 由于炉体 1是一个多层套筒结构， 为了能够持续的向炉火 提供氧气， 所以在多层套筒结构上设有通风道， 该通风道的一端与炉体 1 上的通风口连接， 另一端与燃烧筒上的燃烧孔 8连接。
通风道的具体结构为： 外筒 2侧壁的上部设有可调节大小的条形通风 口 15 , 调节大小是依靠设置在条形通风口 15上的风门 14滑动实现的。 或 是在外筒 2侧壁的上部设置三四排均匀分布的圓形通风口。 在隔热筒 5与 绕流筒 6的下部设有绕流口， 该绕流口的高度为 30mm— 50mm。 条形通风口 15、 外筒 2与隔热筒 5之间的间隙、 绕流口、 绕流筒 6与锥形燃烧筒 7之 间的间隙以及燃烧孔 8依次贯通连接， 以此形成具有弯曲路径的通风道。 空气在进入该通风道的过程中会被逐步被加热， 待空气进入锥形燃烧筒 7 时，户外的低温空气已预热为接近炉体 1内温度的高温空气。其作用在于， 预热后的高温空气， 不会对炉膛内的温度造成不利的影响。 避免了炉膛遇 冷空气降温、 再升温的反复加热过程， 尽可能使炉膛内的热能不受损失。 同时也避免了冷空气对炉膛内最高温度的制约。
由于本发明是户外用品， 需要具备较高的强度， 所以在外筒 2的环向 上设有加强筋 3。 该加强筋 3可沿轴向等间隔设置多条。
另外， 为了避免炉火受到风力大小以及风向的影响， 故在炉体 1上设 有圓柱体火头罩 11 , 该圓柱体火头罩 1 1的侧壁上均勾分布有通风孔 16。 具体结构如下：
参见图 3和图 4 ,该圓柱体火头罩 11的侧壁上设有进料口 12 ; 上端设 有扩口 10 , 扩口 10可选用喇叭状或圓柱体； 下端设有燃烧口， 该燃烧口 与炉口的直径大小相等。 其中， 扩口 10用于放置加热容器； 燃烧口为上升 的炉火提供通道，使炉火与加热容器的底部顺利接触。进料口 12的作用在 于， 不必端起加热容器即可直接向炉膛内添加燃料。 为了增加圓柱体火头 罩 11在炉体 1上放置的稳定性， 故在燃烧口的下沿位置设有插接件 9 , 该 插接件 9的形状与炉口的形状相匹配，可将圓柱体火头罩 1 1稳固插接在炉 体 1的炉口处。
出于对本发明携带方便的考虑，将圓柱体火头罩 11的内径设置为大于 炉体 1的外径。这样的设置可使圓柱体火头罩 1 1倒扣于炉体 1上。在扩口 10的边沿处设有外翻的卷边， 在炉体 1的两侧可设置搭扣 17。 搭扣 17通 过搭接在扩口 10的卷边处回扣， 可将柱体火头罩锁紧于炉体 1上。
本发明的体积小巧， 通过实际测验可知， 本发明对燃料的利用率高，
10张报纸可做一餐饭， 一餐饭的概念大致为： 2. 5两米， 两个鸡蛋， 两段火 腿肠， 一碟白菜。 炉火所产生的温度也较高， 燃烧炉芯温度接近 1000 °C。
以上仅是本发明的优选实施方式， 应当指出的是， 上述优选实施方式 不应视为对本发明的限制， 本发明的保护范围应当以权利要求所限定的范 围为准。 对于本技术领域的普通技术人员来说， 在不脱离本发明的精神和 范围内， 还可以做出若干改进和润饰， 这些改进和润饰也应视为本发明的 保护范围。

Claims

权 利 要 求
1、 一种野营炉， 包括炉体以及炉体内部的炉膛， 其特征在于： 所述炉 膛为一个具有开口的锥形燃烧筒的内腔， 该锥形燃烧筒的开口为锥口， 该 锥口指向炉体的炉口处， 锥形燃烧筒的底面与炉体的底面之间留有间距； 所述锥形燃烧筒的侧壁以及底面上设有均勾分布的燃烧孔； 所述炉体的外 侧设有通风口， 所述燃烧孔与炉体的通风口之间形成贯通连接， 空气进入 通风口后再由燃烧孔进入燃烧筒内； 所述炉膛内燃料燃烧时， 锥形燃烧筒 上的每一个燃烧孔均可形成一簇火焰， 火焰受上升气流的带动， 在锥形燃 烧筒的锥口处聚集形成竖直向上的炉火。
2、 如权利要求 1所述的野营炉， 其特征在于： 所述锥形燃烧筒的上部 为锥形台， 下部为圓柱体结构， 所述锥形台的底面直径与圓柱体的直径相 等。
3、 如权利要求 1所述的野营炉， 其特征在于： 所述锥形燃烧筒的锥口 直径为 90mm士 5mm, 底面直径为 120mm士 5mm。
4、 如权利要求 1所述的野营炉， 其特征在于： 所述锥形燃烧筒底面与 炉体底面的间 巨为 20mm-40mm。
5、 如权利要求 1所述的野营炉， 其特征在于： 所述锥形燃烧筒侧壁上 燃烧孔的孔径为 4mm-6mm, 底面燃烧孔的孔径为 5 mm-8mm, 孔巨均为 20mm- 30mm„
6、 如权利要求 1所述的野营炉， 其特征在于： 所述炉体为多层套筒结 构， 相邻套筒之间均留有大于 10mm的间隙； 该多层套筒结构依次由从外 向内同轴套接的外筒、 隔热筒、 绕流筒以及锥形燃烧筒组成； 所述外筒的 内壁上附有绝热材料层； 所述多层套筒结构上设有通风道， 该通风道的一 端与炉体上的通风口连接， 另一端与燃烧筒上的燃烧孔连接。
7、 如权利要求 6所述的野营炉， 其特征在于： 所述外筒侧壁的上部设 有 3-4排圓形通风口或带有风门可调节大小的条形通风口， 所述隔热筒与 绕流筒的下部设有绕流口； 所述通风口、 外筒与隔热筒之间的间隙、 绕流 口 、 绕流筒与燃烧筒之间的间隙以及燃烧孔依次贯通连接， 形成具有弯曲 路径的通风道。
8、 如权利要求 6所述的野营炉， 其特征在于： 所述外筒的环向设有至 少两个加强筋。
9、 如权利要求 1-8中任意一项所述的野营炉， 其特征在于： 所述炉体 上设有圓柱体火头罩，该圓柱体火头罩的侧壁设有进料口，上端设有扩口， 下端设有燃烧口， 该燃烧口与炉口的直径大小相等； 所述圓柱体火头罩与 扩口的侧壁上均设有通风孔； 在燃烧口的下沿位置设有插接件， 该插接件 与炉口的形状相匹配， 可将圓柱体火头罩稳固插接在炉体的炉口处； 所述 圓柱体火头罩的内径大于炉体的外径， 可倒扣于炉体上。
10、 如权利要求 9所述的野营炉， 其特征在于： 所述炉体的两侧设有 搭扣， 所述扩口的边沿处设有外翻的卷边， 所述搭扣可搭接在卷边处， 将 圓柱体火头罩锁紧于炉体上。
PCT/CN2013/076695 2012-12-04 2013-06-04 野营炉 WO2014086135A1 (zh)

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