CN207622009U - Three-dimensional conductive heat exchange type burner - Google Patents
Three-dimensional conductive heat exchange type burner Download PDFInfo
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- CN207622009U CN207622009U CN201721687871.0U CN201721687871U CN207622009U CN 207622009 U CN207622009 U CN 207622009U CN 201721687871 U CN201721687871 U CN 201721687871U CN 207622009 U CN207622009 U CN 207622009U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
本实用新型属于工业炉设备技术领域，涉及一种三维传导换热式燃烧器，包括换热器，所述换热器轴向一端密封连接燃烧器，换热器轴向另一端设置空气进口和烟气出口，空气进口与换热器内的进气通道相连通，烟气出口与换热器内的烟气通道相连通；所述燃烧器内布置板片，板片上设置有凸起部；所述燃烧器上端设有燃气进口和烧嘴，换热器内的进气通道连通燃气进口，实现预热后空气与燃气的混合。该燃烧器通过多级换热的形式，充分预热助燃空气，达到高效节能的目的，可广泛应用于热处理、有色金属的间接加热，适用于工件不能与烟气接触或炉内特需某种气氛的工况,也适用于直接加热，在500℃~1000℃使用温度范围内，通过预热助燃空气达到节能的目的。
The utility model belongs to the technical field of industrial furnace equipment, and relates to a three-dimensional conduction heat exchange type burner, including a heat exchanger, one axial end of the heat exchanger is sealed and connected to the burner, and an air inlet and an air inlet are arranged at the other axial end of the heat exchanger. The flue gas outlet, the air inlet are connected to the air intake channel in the heat exchanger, and the flue gas outlet is connected to the flue gas channel in the heat exchanger; plates are arranged in the burner, and protrusions are arranged on the plates; The upper end of the burner is provided with a gas inlet and a burner, and the air intake channel in the heat exchanger is connected to the gas inlet to realize the mixing of air and gas after preheating. The burner fully preheats the combustion-supporting air through multi-stage heat exchange to achieve high efficiency and energy saving. It can be widely used in heat treatment and indirect heating of non-ferrous metals. It is suitable for workpieces that cannot be in contact with flue gas or that require a certain atmosphere in the furnace. It is also suitable for direct heating under the working conditions. In the operating temperature range of 500 ° C ~ 1000 ° C, the purpose of energy saving is achieved by preheating the combustion air.
Description
技术领域technical field
本实用新型属于工业炉设备技术领域，涉及一种三维传导换热式燃烧器。The utility model belongs to the technical field of industrial furnace equipment and relates to a three-dimensional conduction heat exchange type burner.
背景技术Background technique
自预热式燃烧器是加热领域应用非常广泛的一种连续式燃烧加热器，具有低热值高温燃烧、燃烧低NOX排放、安全、稳定和节能等特点，目前自身预热式结构的燃烧器所存在的体积偏大、安装不方便、热传导效率低下、热量容易损失以及使用寿命较短等缺陷,本实用新型提供一种工业窑炉用换热式燃烧器，是未来中低温燃烧领域燃烧器发展方向。The self-preheating burner is a continuous combustion heater widely used in the heating field. It has the characteristics of low calorific value, high temperature combustion, low NOX emission, safety, stability and energy saving. At present, the self-preheating structure of the burner is There are defects such as large volume, inconvenient installation, low heat conduction efficiency, easy loss of heat and short service life. The utility model provides a heat exchange burner for industrial kilns, which is the development of burners in the field of medium and low temperature combustion in the future. direction.
发明内容Contents of the invention
本实用新型针对上述问题，提供一种三维传导换热式燃烧器，该燃烧器通过多级换热的形式，充分预热助燃空气，达到高效节能的目的，可广泛应用于热处理、有色金属的间接加热（辐射管），适用于工件不能与烟气接触或炉内特需某种气氛的工况,也适用于直接加热（明火燃烧），在500℃~1000℃使用温度范围内，通过预热助燃空气达到节能的目的。Aiming at the above problems, the utility model provides a three-dimensional conduction heat exchange burner, which fully preheats the combustion-supporting air in the form of multi-stage heat exchange to achieve the purpose of high efficiency and energy saving, and can be widely used in heat treatment, non-ferrous metals, etc. Indirect heating (radiant tube), suitable for working conditions where the workpiece cannot be in contact with flue gas or a certain atmosphere is required in the furnace, and also suitable for direct heating (open flame combustion), within the operating temperature range of 500 ° C ~ 1000 ° C, through preheating The combustion air achieves the purpose of saving energy.
按照本实用新型的技术方案：一种三维传导换热式燃烧器，其特征在于：包括换热器，所述换热器轴向一端密封连接燃烧器，换热器轴向另一端设置空气进口和烟气出口，空气进口与换热器内的进气通道相连通，烟气出口与换热器内的烟气通道相连通；所述燃烧器内布置板片，板片上设置有凸起部；所述燃烧器上端设有燃气进口和烧嘴，换热器内的进气通道连通燃气进口，实现预热后空气与燃气的混合，换热器内的烟气通道的进口连通燃烧器的烟气出口。According to the technical scheme of the utility model: a three-dimensional conduction heat exchange burner, characterized in that it includes a heat exchanger, one end of the heat exchanger in the axial direction is sealed and connected to the burner, and the other end of the heat exchanger in the axial direction is provided with an air inlet and the flue gas outlet, the air inlet is connected with the air intake passage in the heat exchanger, and the flue gas outlet is connected with the flue gas passage in the heat exchanger; the burner is arranged with a plate, and a raised part is arranged on the plate The upper end of the burner is provided with a gas inlet and a burner, and the air intake channel in the heat exchanger is connected to the gas inlet to realize the mixing of air and gas after preheating, and the inlet of the flue gas channel in the heat exchanger is connected to the burner Smoke outlet.
作为本实用新型的进一步改进，所述燃烧器下端密封连接外套管，外套管下端为封闭结构。As a further improvement of the utility model, the lower end of the burner is sealed and connected to the outer sleeve, and the lower end of the outer sleeve is a closed structure.
作为本实用新型的进一步改进，所述换热器的轴向与燃烧器的轴向垂直。As a further improvement of the utility model, the axial direction of the heat exchanger is perpendicular to the axial direction of the burner.
本实用新型的技术效果在于：本实用新型使得空气预热更加完善，天然气燃烧效率更加充分，火焰效果完美化。本实用新型中燃烧器使用了三维立体交叉换热模式，使空气与烟气充分混合，使得热传导效率完整充分。本实用新型所使用三维立体交叉换热模式同时也降低烟气污染物排放，排放完全达标。通过三维传导换热方式，高效回收高温烟气中的余热，对助燃所使用空气进行预热，提高预热空气的温度。三维换热后降低了排烟温度，达到节能减排的效果。The technical effects of the utility model are: the utility model makes the air preheating more perfect, the natural gas combustion efficiency is more sufficient, and the flame effect is perfect. In the utility model, the burner uses a three-dimensional cross heat exchange mode, which fully mixes the air and the flue gas, and makes the heat conduction efficiency complete and sufficient. The three-dimensional cross heat exchange mode used in the utility model also reduces the discharge of flue gas pollutants, and the discharge fully meets the standard. Through the three-dimensional conduction heat exchange method, the waste heat in the high-temperature flue gas is efficiently recovered, and the air used for combustion is preheated to increase the temperature of the preheated air. After three-dimensional heat exchange, the exhaust gas temperature is reduced to achieve the effect of energy saving and emission reduction.
附图说明Description of drawings
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
图2为图1的俯视图。FIG. 2 is a top view of FIG. 1 .
具体实施方式Detailed ways
下面结合附图对本实用新型的具体实施方式作进一步的说明。Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.
图1、2中，包括燃烧器1、凸起部1-1、换热器2、外套管3、空气进口4、烟气出口5、燃气进口6、烧嘴7等。In Figures 1 and 2, it includes a burner 1, a raised portion 1-1, a heat exchanger 2, an outer casing 3, an air inlet 4, a flue gas outlet 5, a gas inlet 6, a burner 7, and the like.
如图1、2所示，本实用新型是一种三维传导换热式燃烧器，包括换热器2，所述换热器2轴向一端密封连接燃烧器1，换热器2轴向另一端设置空气进口4和烟气出口5，空气进口4与换热器2内的进气通道相连通，烟气出口5与换热器2内的烟气通道相连通；所述燃烧器1内布置板片，板片上设置有凸起部1-1；所述燃烧器1上端设有燃气进口6和烧嘴7，换热器2内的进气通道连通燃气进口6，实现预热后空气与燃气的混合，换热器2内的烟气通道的进口连通燃烧器1的烟气出口。As shown in Figures 1 and 2, the utility model is a three-dimensional conduction heat exchange burner, including a heat exchanger 2, one end of the heat exchanger 2 is sealed and connected to the burner 1 in the axial direction, and the other end of the heat exchanger 2 is axially sealed. One end is provided with an air inlet 4 and a flue gas outlet 5, the air inlet 4 communicates with the air intake passage in the heat exchanger 2, and the flue gas outlet 5 communicates with the flue gas passage in the heat exchanger 2; The plates are arranged, and the plate is provided with a raised part 1-1; the upper end of the burner 1 is provided with a gas inlet 6 and a burner 7, and the air intake channel in the heat exchanger 2 is connected to the gas inlet 6 to realize the preheated air. Mixing with the gas, the inlet of the flue gas channel in the heat exchanger 2 is connected to the flue gas outlet of the burner 1 .
燃烧器1下端密封连接外套管3，外套管3下端为封闭结构。The lower end of the burner 1 is sealed and connected to the outer casing 3, and the lower end of the outer casing 3 is a closed structure.
换热器2的轴向与燃烧器1的轴向垂直。The axial direction of the heat exchanger 2 is perpendicular to the axial direction of the burner 1 .
本实用新型的工作过程如下：冷空气先经换热器2的空气进口4进入经换热器2与燃烧过后产生的烟气在换热器2交换热量，充分混合预热后，空气从高温预热空气口输出，输出后的预热空气与燃气进口6通入的燃气混合并充分燃烧。而产生的烟气从高温烟气口进入换热器2循环后从烟气出口5排出。常温空气和热烟气如此交替地流经换热器交换热量，空气可充分预热达到节能的效果，实现了烟气热量的完美回收。再经过燃烧器1设置的外套管3时则完美的保留了热能更加节省了燃料。由以上分析可知通过三维传导换热器可以得到连续稳定的高温空气，达到节能的效果。The working process of the utility model is as follows: the cold air first enters through the air inlet 4 of the heat exchanger 2 and exchanges heat with the flue gas produced after the heat exchanger 2 and the combustion. The preheated air port is output, and the outputted preheated air is mixed with the gas fed into the gas inlet 6 and fully combusted. The flue gas produced enters the heat exchanger 2 from the high-temperature flue gas port for circulation and then is discharged from the flue gas outlet 5 . Normal temperature air and hot flue gas alternately flow through the heat exchanger to exchange heat, the air can be fully preheated to achieve the effect of energy saving, and the perfect recovery of flue gas heat is realized. Then when passing through the outer casing 3 provided by the burner 1, the heat energy is perfectly reserved and the fuel is saved. From the above analysis, it can be seen that continuous and stable high-temperature air can be obtained through the three-dimensional conduction heat exchanger, and the effect of energy saving can be achieved.
Claims (3)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721687871.0U CN207622009U (en) | 2017-12-06 | 2017-12-06 | Three-dimensional conductive heat exchange type burner |
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| CN201721687871.0U CN207622009U (en) | 2017-12-06 | 2017-12-06 | Three-dimensional conductive heat exchange type burner |
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| CN207622009U true CN207622009U (en) | 2018-07-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906515A (en) * | 2017-12-06 | 2018-04-13 | 江苏凤谷节能科技有限公司 | Three-dimensional conductive heat exchange type burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906515A (en) * | 2017-12-06 | 2018-04-13 | 江苏凤谷节能科技有限公司 | Three-dimensional conductive heat exchange type burner |
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Granted publication date: 20180717 |
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