Catalytic furnace for catalytic combustion

Abstract

The utility model relates to the technical field of catalytic furnaces, and discloses a catalytic furnace for catalytic combustion, which solves the problem that waste gas is inconvenient to fully contact with a catalytic plate to influence the catalytic effect, and comprises a main furnace body, a gas inlet pipe is fixedly connected to one side of the main furnace body, and a gas outlet pipe is fixedly connected to the upper surface of the main furnace body. A catalysis assembly and a supporting assembly B are arranged in the main furnace body, after gas is heated and introduced into the catalysis assembly, the gas flows through the inner wall of the main furnace body and one side of a catalysis plate and is catalyzed under the action of the catalysis plate, and the gas rising to the upper portion passes through the interior of a top groove and a partition plate B to achieve the guiding effect; the gas flowing out of the top tank flows downwards under the guiding action of the partition plate A, and finally the gas flows out, so that the contact area with a catalytic plate is fully increased, and the aim of fully contacting with waste gas for catalytic reaction is finally fulfilled.

Description

Technical Field

[0001] The utility model relates to the technical field of catalytic furnaces, in particular to a catalytic furnace for catalytic combustion. Background Art

[0002] The catalytic combustion furnace is a highly efficient environmental protection equipment, mainly used to treat waste gas containing volatile organic compounds. It uses a built-in catalyst to promote the chemical reaction between VOCs in the waste gas and oxygen at a relatively low temperature, converting them into harmless carbon dioxide and water. This process not only saves energy and reduces consumption, but also has high purification efficiency. Catalytic combustion furnaces are widely used in chemical, coating, printing and other industries. It is an important technical means to achieve waste gas purification and reduce environmental pollution. However, during the catalytic process, the gas flow rate is too fast, resulting in insufficient contact between the gas and the catalytic plate, which affects the catalytic effect.

[0003] In view of the above problems, a catalytic furnace for catalytic combustion is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a catalytic furnace for catalytic combustion. The device is used to work, thereby solving the problem that the exhaust gas is not inconvenient to fully contact with the catalytic plate and affects the catalytic effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a catalytic furnace for catalytic combustion, comprising a main furnace body, an air inlet pipe is fixedly connected to one side of the main furnace body, an air outlet pipe is fixedly connected to the upper surface of the main furnace body, a side door is hingedly connected to one side of the main furnace body, a catalytic component for catalytic gas is arranged inside the main furnace body, and a support component B for supporting the catalytic component is also arranged inside the main furnace body;

[0006] The support assembly B includes a support ring fixedly connected to the inner wall of the main furnace body, an inner support plate fixedly connected to the inner wall of the support ring, an installation groove is provided on the upper surface of the inner support plate, the catalytic assembly includes a catalytic plate clamped in the installation groove, inclined grooves are fixedly connected on both sides of the catalytic plate, a top groove is provided on the upper surface of the catalytic plate, and a partition A and a partition B are fixedly connected to the inner wall of the main furnace body, one end of the partition B is arranged inside the top groove, and the partition A is arranged on one side of the catalytic plate. The partition A and the partition B are each provided in two groups, and the two groups of the partitions A and B are symmetrically arranged.

[0007] Preferably, an air guide plate A is fixedly connected to the inner wall of the main furnace body, and an air guide plate B is also fixedly connected to the inner wall of the main furnace body. The air guide plate A and the air guide plate B are symmetrically arranged, and a ventilation groove penetrating the support component B is opened on the upper surface of the support component B. The inclination direction of the air guide plate A and the air guide plate B is arranged corresponding to the ventilation groove.

[0008] Preferably, a supporting bottom plate is fixedly connected to the inner wall of the main furnace body, an electric heating plate A is fixedly connected to one side of the supporting bottom plate, and an electric heating plate B is fixedly connected to one side of the air guide plate B.

[0009] Preferably, an air pump is fixedly connected to one side of the main furnace body, and the air pump is correspondingly arranged between the two groups of partitions A. A return pipe B is fixedly connected to one side of the air pump, and one end of the return pipe B is connected to one side of the main furnace body. The return pipe B is arranged corresponding to the air inlet position of the air inlet pipe, and a pressure check valve is arranged at the connection between the return pipe B and the main furnace body.

[0010] Preferably, a heat conducting plate is fixedly installed inside the supporting bottom plate, and a heat conducting support plate is fixedly connected to the bottom of the heat conducting plate.

[0011] Preferably, a valve A is fixedly connected at the connection point between the air inlet pipe and the main furnace body, a valve B is fixedly connected at the connection point between the air outlet pipe and the main furnace body, a flame arrester is fixedly connected to the outside of the air outlet pipe, a return pipe A is fixedly connected to the outside of the air outlet pipe, and the return pipe A is arranged above the flame arrester and connected to the inside of the air outlet pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model provides a catalytic furnace for catalytic combustion. After the gas is heated and introduced into the interior of the catalytic component, the gas flows through the inner wall of the main furnace body and one side of the catalytic plate, and is catalyzed under the action of the catalytic plate. The gas rising to the top then passes through the interior of the top groove, and the partition B plays a guiding effect. The gas flowing out of the top groove is controlled to flow downward under the guiding effect of the partition A, and finally the gas is allowed to flow out, and the contact area with the catalytic plate is fully increased. The catalytic plate is used for catalysis, and the inclined groove has the effect of slowing down the flow speed of the exhaust gas, completing the gas purification, and finally achieving the purpose of fully contacting with the exhaust gas for catalytic reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the side door structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the main furnace body of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the catalytic component of the utility model;

[0018] Figure 5 This is a structural schematic diagram of the support component B of the utility model;

[0019] Figure 6 This is a schematic diagram of the support base structure of the utility model.

[0020] In the figure: 1. main furnace body; 11. air inlet pipe; 111. valve A; 12. air outlet pipe; 121. return pipe A; 13. side door; 14. supporting bottom plate; 141. electric heating plate A; 142. electric heating plate B; 143. heat conduction plate; 144. heat conduction support plate; 15. air guide plate A; 151. air guide plate B; 16. support assembly B; 161. support ring; 162. ventilation groove; 163. inner support plate; 164. mounting groove; 17. valve B; 18. partition A; 181. partition B; 2. flame isolator; 3. air pump; 31. return pipe B; 4. catalytic assembly; 41. catalytic plate; 42. inclined groove; 43. top groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0023] Combination Figure 1-Figure 2 A catalytic furnace for catalytic combustion includes a main furnace body 1, an air inlet pipe 11 is fixedly connected to one side of the main furnace body 1, an air outlet pipe 12 is fixedly connected to the upper surface of the main furnace body 1, a side door 13 is hinged on one side of the main furnace body 1, a catalytic component 4 for catalytic gas is arranged inside the main furnace body 1, and a supporting component B16 for supporting the catalytic component 4 is also arranged inside the main furnace body 1.

[0024] The utility model is further described below in conjunction with embodiments.

[0025] Combination Figure 2-Figure 6The support assembly B16 includes a support ring 161 fixedly connected to the inner wall of the main furnace body 1, an inner support plate 163 is fixedly connected to the inner wall of the support ring 161, and a mounting groove 164 is provided on the upper surface of the inner support plate 163. The catalytic assembly 4 includes a catalytic plate 41 clamped in the mounting groove 164, and both sides of the catalytic plate 41 are fixedly connected with inclined grooves 42, and a top groove 43 is provided on the upper surface of the catalytic plate 41. The inner wall of the main furnace body 1 is fixedly connected with a partition A18 and a partition B181, one end of the partition B181 is arranged in the top groove 43, and the partition A18 is arranged on one side of the catalytic plate 41. There are two groups of plates A18 and partitions B181, and the two groups of partitions A18 and B181 are symmetrically arranged. After the gas is heated and passed into the interior of the catalytic component 4, the gas flows through the inner wall of the main furnace body 1 and one side of the catalytic plate 41, and is catalyzed by the catalytic plate 41. The gas rising to the top passes through the top groove 43, and the partition B181 plays a guiding effect. The gas flowing out of the top groove 43 is controlled to flow downward under the guidance of the partition A18, and finally the gas is allowed to flow out, fully increasing the contact area with the catalytic plate 41, and catalysis is performed by the catalytic plate 41 to complete the gas purification.

[0026] An air guide plate A15 is fixedly connected to the inner wall of the main furnace body 1, and an air guide plate B151 is also fixedly connected to the inner wall of the main furnace body 1. The air guide plate A15 and the air guide plate B151 are symmetrically arranged. A ventilation groove 162 that penetrates the support component B16 is opened on the upper surface of the support component B16. The inclination direction of the air guide plate A15 and the air guide plate B151 is arranged corresponding to the ventilation groove 162. The air guide plate A15 and the air guide plate B151 cooperate with the ventilation groove 162 to achieve a gas guiding effect.

[0027] A supporting bottom plate 14 is fixedly connected to the inner wall of the main furnace body 1, an electric heating plate A141 is fixedly connected to one side of the supporting bottom plate 14, and an electric heating plate B142 is fixedly connected to one side of the air guide plate B151. The electric heating plates A141 and B142 are used to heat the gas to provide conditions for heating.

[0028] An air pump 3 is fixedly connected to one side of the main furnace body 1, and is arranged correspondingly between the air pump 3 and the two groups of partitions A18. A return pipe B31 is fixedly connected to one side of the air pump 3, and one end of the return pipe B31 is connected to one side of the main furnace body 1. The return pipe B31 is arranged corresponding to the air intake position of the air intake pipe 11, and a pressure check valve is arranged at the connection between the return pipe B31 and the main furnace body 1. The air pump 3 is combined with the return pipe B31 to discharge the purified hot air back to the inside of the main furnace body 1, thereby achieving the effect of heat recovery and waste heat.

[0029] A heat conducting plate 143 is fixedly installed inside the support base plate 14, and a heat conducting support plate 144 is fixedly connected to the bottom of the heat conducting plate 143. The heat conducting plate 143 cooperates with the heat conducting support plate 144 to achieve a heat conducting effect, thereby heating the air for preheating. The heat conducting support plate 144 is used to slow down the gas flow speed to ensure the subsequent catalyst utilization rate.

[0030] A valve A111 is fixedly connected at the connection point between the air inlet pipe 11 and the main furnace body 1, a valve B17 is fixedly connected at the connection point between the air outlet pipe 12 and the main furnace body 1, a flame isolator 2 is fixedly connected to the outer side of the air outlet pipe 12, a reflux pipe A121 is fixedly connected to the outer side of the air outlet pipe 12, the reflux pipe A121 is arranged above the flame isolator 2 and is connected to the inside of the air outlet pipe 12, the valve A111 and the valve B17 are used for air intake and exhaust, and the flame isolator 2 is used to prevent the flame from spreading along the pipeline or equipment, and the reflux pipe A121 is used to reflux the gas for desorbing the activated carbon.

[0031] Specifically, after the gas is heated and passed into the interior of the catalytic component 4, the gas flows through the inner wall of the main furnace body 1 and one side of the catalytic plate 41, and is catalyzed by the catalytic plate 41. The gas that rises to the top then passes through the interior of the top groove 43. The partition B181 plays a guiding role. The gas flowing out of the top groove 43 is controlled to flow downward under the guidance of the partition A18, and finally the gas is allowed to flow out, fully increasing the contact area with the catalytic plate 41, and using the catalytic plate 41 for catalysis. The inclined groove 42 has the effect of slowing down the flow speed of the exhaust gas, completing the gas purification, and finally achieving the purpose of fully contacting with the exhaust gas for catalytic reaction.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A catalytic furnace for catalytic combustion, comprising a main furnace body (1), an air inlet pipe (11) is fixedly connected to one side of the main furnace body (1), an air outlet pipe (12) is fixedly connected to the upper surface of the main furnace body (1), and a side door (13) is hingedly connected to one side of the main furnace body (1), characterized in that: A catalytic component (4) for catalyzing gas is arranged inside the main furnace body (1), and a supporting component B (16) for supporting the catalytic component (4) is also arranged inside the main furnace body (1); The support assembly B (16) comprises a support ring (161) fixedly connected to the inner wall of the main furnace body (1), the inner wall of the support ring (161) is fixedly connected to an inner support plate (163), and the upper surface of the inner support plate (163) is provided with a mounting groove (164); the catalytic assembly (4) comprises a catalytic plate (41) clamped in the mounting groove (164), both sides of the catalytic plate (41) are fixedly connected to inclined grooves (42), and the upper surface of the catalytic plate (41) is provided with a top groove (43); the inner wall of the main furnace body (1) is fixedly connected to a partition A (18) and a partition B (181), one end of the partition B (181) is arranged in the top groove (43), and the partition A (18) is arranged on one side of the catalytic plate (41), and the partition A (18) and the partition B (181) are both provided in two groups, and the two groups of the partition A (18) and the partition B (181) are symmetrically arranged.

2. A catalytic furnace for catalytic combustion according to claim 1, characterized in that: An air guide plate A (15) is fixedly connected to the inner wall of the main furnace body (1), and an air guide plate B (151) is also fixedly connected to the inner wall of the main furnace body (1). The air guide plate A (15) and the air guide plate B (151) are symmetrically arranged. A ventilation groove (162) penetrating the support assembly B (16) is provided on the upper surface of the support assembly B (16). The inclination direction of the air guide plate A (15) and the air guide plate B (151) corresponds to the ventilation groove (162).

3. A catalytic furnace for catalytic combustion according to claim 1, characterized in that: The inner wall of the main furnace body (1) is fixedly connected to a support bottom plate (14), one side of the support bottom plate (14) is fixedly connected to an electric heating plate A (141), and one side of the air guide plate B (151) is fixedly connected to an electric heating plate B (142).

4. A catalytic furnace for catalytic combustion according to claim 1, characterized in that: An air pump (3) is fixedly connected to one side of the main furnace body (1), and is arranged correspondingly between the air pump (3) and the two groups of partitions A (18). A return pipe B (31) is fixedly connected to one side of the air pump (3), and one end of the return pipe B (31) is connected to one side of the main furnace body (1). The return pipe B (31) is arranged correspondingly to the air inlet position of the air inlet pipe (11), and a pressure check valve is arranged at the connection between the return pipe B (31) and the main furnace body (1).

5. A catalytic furnace for catalytic combustion according to claim 3, characterized in that: A heat conducting plate (143) is fixedly installed inside the supporting bottom plate (14), and a heat conducting support plate (144) is fixedly connected to the bottom of the heat conducting plate (143).

6. A catalytic furnace for catalytic combustion according to claim 4, characterized in that: A valve A (111) is fixedly connected to the connection point between the air inlet pipe (11) and the main furnace body (1), a valve B (17) is fixedly connected to the connection point between the air outlet pipe (12) and the main furnace body (1), a flame arrester (2) is fixedly connected to the outside of the air outlet pipe (12), a return pipe A (121) is fixedly connected to the outside of the air outlet pipe (12), and the return pipe A (121) is arranged above the flame arrester (2) and is connected to the inside of the air outlet pipe (12).

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