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CN112815316A - Sleeve type catalytic combustor and application - Google Patents

Sleeve type catalytic combustor and application Download PDF

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Publication number
CN112815316A
CN112815316A CN201911117794.9A CN201911117794A CN112815316A CN 112815316 A CN112815316 A CN 112815316A CN 201911117794 A CN201911117794 A CN 201911117794A CN 112815316 A CN112815316 A CN 112815316A
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wall
holes
cylinder
open end
tube
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杨林林
吴私
孙公权
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Dalian Institute of Chemical Physics of CAS
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Dalian Institute of Chemical Physics of CAS
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/12—Radiant burners
    • F23D14/18—Radiant burners using catalysis for flameless combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
    • H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
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  • Sustainable Energy (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
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Abstract

一种套筒式催化燃烧器，利用氢氧的催化燃烧反应放热，尤其适用于高温质子交换膜燃料电池(HT‑PEMFC)中甲醇水蒸气重整制氢反应领域，可以用于给重整反应器提供热量及调节反应器床层温度分布，置于重整反应器内部，不与外部环境接触，减少热量损失，使整个重整腔完全接收燃烧腔的高温辐射热量，同时燃烧器与外部重整器围成通道，燃烧尾气在内部沿流道流动进行对流传热，提升热量利用率，套筒形燃烧器内外壁分布不同直径孔洞，通过调整内壁孔径大小或孔间距，控制不同位置燃烧气量，从而调节燃烧器各处温度分布，可以满足燃烧器整体温度分布趋于一致，或使各处温差较小，解决重整反应器床层温度分布不均的问题，有效提升重整反应器整体转化率与热利用率。

Figure 201911117794

A sleeve-type catalytic burner, which utilizes the catalytic combustion reaction of hydrogen and oxygen to release heat, is especially suitable for the field of hydrogen production from methanol steam reforming in a high temperature proton exchange membrane fuel cell (HT-PEMFC), and can be used for reforming The reactor provides heat and adjusts the temperature distribution of the reactor bed. It is placed inside the reforming reactor and is not in contact with the external environment to reduce heat loss, so that the entire reforming chamber can completely receive the high-temperature radiation heat of the combustion chamber. The reformer is surrounded by a channel, and the combustion exhaust gas flows along the flow channel for convective heat transfer to improve the heat utilization rate. The inner and outer walls of the sleeve-shaped burner are distributed with holes of different diameters. By adjusting the diameter of the inner wall or the hole spacing, the combustion at different positions can be controlled. The air volume can be adjusted to adjust the temperature distribution of the burner, so that the overall temperature distribution of the burner can be uniform, or the temperature difference can be made smaller, which can solve the problem of uneven temperature distribution in the reforming reactor bed and effectively improve the reforming reactor. Overall conversion and heat utilization.

Figure 201911117794

Description

Sleeve type catalytic combustor and application
Technical Field
The invention relates to the technical field of catalytic combustors, in particular to a sleeve type catalytic combustor which utilizes the heat release of catalytic combustion reaction of hydrogen and oxygen, is particularly suitable for the field of methanol steam reforming hydrogen production reaction in a high-temperature proton exchange membrane fuel cell (HT-PEMFC), and is used for providing heat for a reforming reactor and adjusting the temperature distribution of a reactor bed layer.
Background
The hydrogen production reaction by reforming methanol steam in a high-temperature proton exchange membrane fuel cell (HT-PEMFC) needs a large amount of heat, a catalytic burner is usually adopted for providing the heat, the catalytic burner is commonly used at present or a large part of heat exposed outside is lost, and the utilization rate of the radiation heat is extremely low; or the temperature at each location is not uniform, the temperature gradient is large, the heat utilization rate is low, and the performance (conversion rate) of the reforming reactor is low.
The invention provides a sleeve type catalytic combustor, which utilizes the heat release of the catalytic combustion reaction of hydrogen and oxygen, is particularly suitable for the field of methanol steam reforming hydrogen production reaction in a high-temperature proton exchange membrane fuel cell (HT-PEMFC), can be used for providing heat for a reforming reactor and adjusting the temperature distribution of a reactor bed layer, and is matched with a reformer, so that the heat utilization is more sufficient, the temperature distribution of each part of the combustor can be adjusted, the condition that the integral temperature distribution of the combustor tends to be consistent or the temperature difference of each part is smaller is met, the problem of uneven temperature distribution of the reforming reactor bed layer is solved, and the integral conversion rate and the heat utilization rate of the reforming reactor are effectively improved.
Disclosure of Invention
The invention aims to provide a sleeve type catalytic combustor, which utilizes the heat release of the catalytic combustion reaction of hydrogen and oxygen, is particularly suitable for the field of methanol steam reforming hydrogen production reaction in a high-temperature proton exchange membrane fuel cell (HT-PEMFC), and can be used for providing heat for a reforming reactor and adjusting the temperature distribution of a reactor bed layer.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a sleeve type catalytic burner comprises a hollow inner wall cylinder with two open ends and a hollow outer wall cylinder with two open ends;
the inner wall cylinder is sleeved in the outer wall cylinder in a penetrating way, and a gap is reserved between the outer wall surface of the inner wall cylinder and the inner wall surface of the outer wall cylinder; the left opening end of the inner wall cylinder is provided with an annular front baffle, the end face or the inner wall face of the left opening end of the outer wall cylinder is hermetically connected with the outer side edge of the annular front baffle, which is far away from the geometric center, and the end face or the outer side wall face of the left opening end of the inner wall cylinder is hermetically connected with the inner side edge of the annular front baffle, which is close to the geometric center; a rear baffle is arranged at the right opening end of the inner wall cylinder, the inner wall surface of the outer wall cylinder is hermetically connected with the outer edge of the rear baffle far away from the geometric center, and the end surface of the right opening end of the inner wall cylinder is hermetically connected with the left surface of the rear baffle; a closed sleeve space is enclosed by the inner wall cylinder, the outer wall cylinder, the annular front baffle and the rear baffle;
a mixed gas inlet is arranged at the left opening end of the outer wall cylinder;
through holes as air holes are formed in the side walls of the inner wall cylinder and the outer wall cylinder where the sleeve space is located;
the sleeve space is filled with catalytic combustion catalyst.
The mixed gas inlet is communicated with a cylindrical gas mixing chamber with an opening at two ends, the right opening end of the gas mixing chamber is communicated with the left opening end of the inner wall barrel, and the end face of the right opening end of the gas mixing chamber is hermetically connected with the end face of the left opening end of the outer wall barrel, the left side surface of the annular front baffle or the end face of the left opening end of the inner wall barrel.
The right opening end of the inner wall cylinder is positioned in the outer wall cylinder, the outer wall cylinder between the right opening end of the outer wall cylinder and the right opening end of the inner wall cylinder is used as a tail gas discharge cylinder, and a through hole used as an exhaust hole is formed in the side wall surface of the tail gas discharge cylinder.
The inner wall cylinder and the outer wall cylinder are both cylinders; the annular front baffle is circular, and the rear baffle is circular; the annular front baffle, the annular rear baffle, the inner wall cylinder and the outer wall cylinder are coaxially arranged.
The right opening end of the gas mixing chamber is hermetically connected with the left opening end of the outer wall cylinder through a connecting flange.
More than 2 rows of through holes are axially formed in the side wall of the inner wall cylinder, the aperture of each through hole is 2.5-3.5 mm (preferably 3mm), each row of through holes are radially and concentrically distributed in an array, the distribution density of each row of through holes is 6-10 per circle, and the axial distance between every two adjacent rows of through holes is 15-20 mm; more than 2 rows of through holes are axially formed in the side wall of the outer wall cylinder, the aperture of each through hole is 5-10 mm, each row of through holes are radially and concentrically arranged, the distribution density of each row of through holes is 8-15 per circle, and the axial distance between every two adjacent rows of through holes is 15-20 mm.
The aperture of the through holes on the side wall of the outer wall cylinder is larger than that of the through holes on the side wall of the inner wall cylinder, and the distribution density of the through holes on the side wall of the outer wall cylinder is larger than or equal to that of the through holes on the side wall of the inner wall cylinder.
The catalytic combustion catalyst is a particulate metal oxide or other type of catalytic combustion catalyst.
The application of the sleeve type catalytic combustor is suitable for the hydrogen production process by reforming methanol steam in a high-temperature proton exchange membrane fuel cell.
The sleeve space of the burner is arranged in a reformer, or the sleeve space of the burner and the tail gas discharge cylinder are simultaneously arranged in the reformer, and the right opening end of the tail gas discharge cylinder is communicated with the outside of the reformer;
the mixed gas of hydrogen and air to be reacted enters the inner wall cylinder from the left end inlet of the inner wall cylinder after being mixed by the left end mixing chamber of the combustor, the side wall of the inner wall cylinder is provided with through hole holes for the mixed gas to pass through and flow into the sleeve space, a catalytic combustion catalyst is filled between the through hole holes, the mixed gas is subjected to catalytic combustion to release heat, the side wall of the outer wall cylinder is provided with through hole holes for the reaction gas to flow out, and the reaction gas is discharged through exhaust holes along a cavity channel of a reformer outside the combustor or discharged through a right end opening of the reformer after flowing to a tail gas discharge cylinder.
This combustor can arrange reforming reactor in inside, not contact with the external environment, reduce calorific loss, make the high temperature radiation heat of burning chamber is received completely in whole reforming chamber, the passageway is enclosed into with outside reformer to the combustor simultaneously, burning tail gas flows along the runner in inside and carries out the convection heat transfer, promote heat utilization rate, different diameter holes of wall distribution in the sleeve shape combustor, through adjusting inner wall aperture size or hole interval, control different positions burning tolerance, thereby adjust the temperature distribution everywhere of combustor, can satisfy the whole temperature distribution of combustor and tend to unanimity, or make each temperature difference less, solve the uneven problem of reforming reactor bed temperature distribution, effectively promote whole conversion rate of reforming reactor and heat utilization rate.
Drawings
Fig. 1 is an overall schematic view of a sleeve-type catalytic combustor of the present invention.
Fig. 2 is a schematic view of a split sleeve catalytic combustor shown in fig. 1.
FIG. 3 shows a schematic gas flow diagram in the burner of FIG. 1.
FIG. 4 is a schematic view showing the temperature distribution when the burner orifice distributions are uniform in FIG. 1.
FIG. 5 is a schematic view showing the temperature distribution when the burner orifice distributions are not uniform in FIG. 1.
In the figure: A. a front inlet of the inner wall cylinder 3, a tail gas outlet B, a combustion catalyst filling space C, a combustion tail gas channel D and a reforming cavity E
1. The device comprises a gas mixing chamber, 2, a connecting flange, 3, an inner wall cylinder, 4, an outer wall cylinder, 5, a tail gas discharge cylinder, 6, a front baffle and 7, a rear baffle.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 and 2, the sleeve type burner comprises a gas mixing chamber 1, a connecting flange 2, an inner wall cylinder 3, an outer wall cylinder 4, a tail gas discharge cylinder 5, a front baffle 6 and a rear baffle 7, wherein required reaction hydrogen and air are mixed in the front end mixing chamber, a front inlet of the inner wall cylinder 3 enters A, holes with uniform aperture of 3mm are formed on the inner wall cylinder 3 to enable the mixed gas to pass through, the inner wall cylinder 3, the outer wall cylinder 4, the front baffle 6 and the rear baffle 7 form a sleeve space C, the baffle 7 is a solid whole circular plate, the mixed gas entering from the front inlet of the inner wall cylinder 3 can only flow into the sleeve space C through the wall cylinder holes, a platinum alumina catalyst is filled in the space, the platinum content is 0.5%, the mixed gas is subjected to catalytic combustion to release a large amount of heat, the outer wall cylinder 4 is provided with a uniform pore diameter with a larger diameter of 8mm so that the reaction gas flows out, flows to the tail gas outlet B along a channel D formed by the surrounding of the combustor and the external reformer E and is discharged as shown in figure 3; high-temperature radiation generated by combustion of the combustor is absorbed by the reformer E surrounded by the outside, meanwhile, heat of high-temperature tail gas after combustion is transferred to the reformer E through convection heat transfer, the reformer E can be made into various structures to be wrapped on the periphery of the combustor and can also be partially contacted with the combustor, namely the structure can enable the combustor to transfer heat to the reformer through three heat transfer modes of radiation, convection and heat transfer, and the heat utilization rate is greatly improved;
holes with different diameters are distributed on the inner wall and the outer wall of the sleeve-shaped combustor, and the combustion gas amount at different positions is controlled by adjusting the aperture size or the hole interval of the inner wall, so that the temperature distribution of each part of the combustor is adjusted, the integral temperature distribution of the combustor tends to be consistent, or the temperature difference at each part is smaller, the problem of uneven temperature distribution of a reforming reactor bed layer is solved, and the integral conversion rate and the heat utilization rate of the reforming reactor are effectively improved; FIG. 4 shows the temperature distribution when the inner wall distribution is uniform at 3mm pore diameter under the air flow of 4L/min and 20L/min of hydrogen; fig. 5 shows the temperature distribution when the inner wall has a distribution (2.5-3.5 mm) of pore diameters at the same flow rate, and it can be seen that the effect of adjusting the temperature distribution of the burner can be realized by adjusting the pore diameter of the inner wall.
In order to prevent the catalyst from leaking out of the holes, a high-temperature-resistant metal wire mesh can be surrounded on the surfaces of the inner wall cylinder and the outer wall cylinder.

Claims (10)

1.一种套筒式催化燃烧器，其特征在于：1. a sleeve type catalytic burner is characterized in that: 包括二端开口的中空内壁筒(3)和二端开口的中空外壁筒(4)；comprising a hollow inner wall cylinder (3) with two ends open and a hollow outer wall cylinder (4) with two ends open; 内壁筒(3)穿套于外壁筒(4)内，内壁筒(3)外壁面与外壁筒(4)内壁面间留有间隙；于内壁筒(3)的左开口端设有一环形前挡板(6)，外壁筒(4)左开口端端面或内壁面与环形前挡板的远离几何中心的外侧边缘密闭连接，内壁筒(3)的左开口端端面或外侧壁面与环形前挡板的靠近几何中心的内侧边缘密闭连接；于内壁筒(3)的右开口端设有一后挡板(7)，外壁筒(4)内壁面与后挡板的远离几何中心的外侧边缘密闭连接，内壁筒(3)的右开口端端面与后挡板的左侧表面密闭连接；由内壁筒(3)、外壁筒(4)、环形前挡板(6)及后挡板(7)共同围成一密闭的套筒空间；The inner wall tube (3) is sheathed in the outer wall tube (4), and a gap is left between the outer wall surface of the inner wall tube (3) and the inner wall surface of the outer wall tube (4); an annular front stop is arranged on the left open end of the inner wall tube (3) Plate (6), the left open end face or inner wall face of the outer wall cylinder (4) is airtightly connected with the outer edge of the annular front baffle away from the geometric center, and the left open end face or outer side wall face of the inner wall cylinder (3) is connected with the annular front baffle The inner edge of the inner wall close to the geometric center is airtightly connected; a rear baffle (7) is provided at the right open end of the inner wall tube (3), and the inner wall surface of the outer wall tube (4) is airtightly connected to the outer edge of the rear baffle away from the geometric center, The right open end face of the inner wall cylinder (3) is tightly connected with the left side surface of the rear baffle; the inner wall cylinder (3), the outer wall cylinder (4), the annular front baffle (6) and the rear baffle (7) are jointly enclosed into a closed sleeve space; 于外壁筒(4)左开口端设有一混合气体进口；A mixed gas inlet is provided at the left open end of the outer wall cylinder (4); 于套筒空间所在的内壁筒(3)、外壁筒(4)的侧壁上均开设有作为气孔的通孔；Through holes as air holes are opened on the side walls of the inner wall tube (3) and the outer wall tube (4) where the sleeve space is located; 套筒空间内填充有催化燃烧催化剂。The space of the sleeve is filled with a catalytic combustion catalyst. 2.按照权利要求1所述的套筒式催化燃烧器，其特征在于：2. The sleeve type catalytic burner according to claim 1, wherein: 所述混合气体进口与一二端开口的筒状气体混合室(1)连通，气体混合室(1)右开口端与内壁筒(3)左开口端相连通，气体混合室(1)右开口端端面与外壁筒(4)左开口端端面、环形前挡板左侧表面或内壁筒(3)左开口端端面密闭连接。The mixed gas inlet is communicated with a cylindrical gas mixing chamber (1) open at both ends, the right open end of the gas mixing chamber (1) is communicated with the left open end of the inner wall cylinder (3), and the right opening of the gas mixing chamber (1) is The end face is airtightly connected with the left open end face of the outer wall cylinder (4), the left side surface of the annular front baffle plate or the left open end face of the inner wall cylinder (3). 3.按照权利要求1所述的套筒式催化燃烧器，其特征在于：3. The sleeve type catalytic burner according to claim 1, wherein: 所述内壁筒(3)右开口端处于外壁筒(4)内，外壁筒(4)右开口端与内壁筒(3)右开口端之间的外壁筒作为尾气排放筒(5)，尾气排放筒(5)侧壁面上开设有作为排气孔的通孔。The right open end of the inner wall tube (3) is located in the outer wall tube (4), and the outer wall tube between the right open end of the outer wall tube (4) and the right open end of the inner wall tube (3) is used as a tail gas discharge tube (5), and the exhaust gas is discharged. The side wall surface of the cylinder (5) is provided with a through hole as an exhaust hole. 4.按照权利要求1所述的套筒式催化燃烧器，其特征在于：4. The sleeve type catalytic burner according to claim 1, wherein: 内壁筒(3)和外壁筒(4)均为圆筒；环形前挡板(6)为圆环形，后挡板(7)为圆形；环形前挡板(6)、后挡板(7)、内壁筒(3)和外壁筒(4)同轴设置。The inner wall tube (3) and the outer wall tube (4) are both cylinders; the annular front baffle (6) is circular, and the rear baffle (7) is circular; the annular front baffle (6), the rear baffle ( 7) The inner wall cylinder (3) and the outer wall cylinder (4) are coaxially arranged. 5.按照权利要求2所述的套筒式催化燃烧器，其特征在于：气体混合室(1)右开口端和外壁筒(4)左开口端通过连接法兰(2)密闭连接。5 . The sleeve type catalytic burner according to claim 2 , wherein the right open end of the gas mixing chamber ( 1 ) and the left open end of the outer wall cylinder ( 4 ) are hermetically connected through a connecting flange ( 2 ). 6 . 6.按照权利要求1所述的套筒式催化燃烧器，其特征在于：内壁筒侧壁上沿轴向开有2排以上的通孔，通孔孔径2.5～3.5mm(优选3mm)，每排通孔径向同心阵列分布，每排通孔分布密度为6～10个/周，相邻两排通孔轴向间距15～20mm；外壁筒侧壁上沿轴向开有2排以上的通孔，通孔孔径5～10mm，每排通孔径向同心阵列分布，每排通孔分布密度为8～15个/周，相邻两排通孔轴向间距15～20mm。6. The sleeve type catalytic burner according to claim 1, characterized in that: there are more than 2 rows of through holes along the axial direction on the inner wall cylinder side wall, and the through holes have a diameter of 2.5-3.5mm (preferably 3mm), and each The rows of through holes are distributed in a radial concentric array, the distribution density of each row of through holes is 6 to 10 per week, and the axial spacing of two adjacent rows of through holes is 15 to 20 mm; there are more than 2 rows of through holes along the axial direction on the side wall of the outer wall cylinder. The hole diameter of the through hole is 5-10mm. Each row of through-holes is distributed in a concentric array. The distribution density of each row of through-holes is 8-15 per week, and the axial spacing of two adjacent rows of through-holes is 15-20mm. 7.按照权利要求1所述的套筒式催化燃烧器，其特征在于：外壁筒侧壁上通孔孔径大于内壁筒侧壁上通孔孔径，外壁筒侧壁上通孔分布密度大于等于内壁筒侧壁上通孔分布密度。7. The sleeve type catalytic burner according to claim 1 is characterized in that: the diameter of the through holes on the side wall of the outer wall tube is larger than that of the through holes on the side wall of the inner wall tube, and the distribution density of the through holes on the side wall of the outer wall tube is greater than or equal to that of the inner wall The distribution density of through holes on the side wall of the cylinder. 8.按照权利要求1所述的套筒式催化燃烧器，其特征在于：8. The sleeve type catalytic combustor according to claim 1, characterized in that: 催化燃烧催化剂为颗粒状金属氧化物或其他类型催化燃烧催化剂。Catalytic combustion catalysts are particulate metal oxides or other types of catalytic combustion catalysts. 9.一种权利要求1-8任一所述套筒式催化燃烧器的应用，其特征在于：适用于高温质子交换膜燃料电池中甲醇水蒸气重整制氢过程中。9. An application of the sleeve type catalytic burner according to any one of claims 1-8, characterized in that: it is suitable for the process of producing hydrogen by methanol steam reforming in a high temperature proton exchange membrane fuel cell. 10.按照权利要求9所述套筒式催化燃烧器的应用，其特征在于：10. according to the application of the described sleeve type catalytic burner of claim 9, it is characterized in that: 燃烧器的套筒空间置于一重整器内部，或燃烧器的套筒空间和尾气排放筒同时置于一重整器内部，尾气排放筒的右开口端与重整器外部相连通；所需反应氢气与空气的混合气或经燃烧器左端混合室混合后，由内壁筒左端入口进入内壁筒内部，内壁筒侧壁上开有通孔孔洞可以使混合气体通过，流入套筒空间，其间填充催化燃烧催化剂，混合气体在此处进行催化燃烧放热，外壁筒侧壁上开有通孔孔洞使反应气体流出，顺着燃烧器外部的重整器的腔室通道经排气孔后排出或流至尾气排放筒后由其右端开口排出。The sleeve space of the burner is placed inside a reformer, or the sleeve space of the burner and the exhaust pipe are placed inside a reformer at the same time, and the right open end of the exhaust pipe is communicated with the outside of the reformer; The mixture of hydrogen and air needs to be reacted or mixed in the mixing chamber at the left end of the burner, and then enters the interior of the inner wall cylinder through the left end inlet of the inner wall cylinder. The catalytic combustion catalyst is filled, and the mixed gas is catalyzed and combusted to release heat. There are through holes on the side wall of the outer wall cylinder to allow the reaction gas to flow out, and then be discharged through the exhaust hole along the chamber channel of the reformer outside the burner. Or flow to the exhaust pipe and then discharge from the right end opening.
CN201911117794.9A 2019-11-15 2019-11-15 Sleeve type catalytic combustor and application Pending CN112815316A (en)

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