Combustion furnace for catalytic combustion

Abstract

The utility model discloses a combustion furnace for catalytic combustion, which comprises a furnace body and a heat insulation layer arranged in the side wall of the furnace body, and is characterized in that an air outlet pipe is arranged at the upper part of the furnace body in a penetrating manner, and a plurality of catalytic bed plates are vertically arranged in the furnace body; the catalytic bed plates are inserted into the side wall of the furnace body, the furnace body is provided with an air inlet pipe corresponding to the lower part of the catalytic bed plates, the air inlet pipe is provided with a plurality of air inlet openings, the other end of the air inlet pipe extends to the outer side of the furnace body and is connected to an air supply device, a plurality of flow equalizing plates corresponding to the catalytic bed plates are stacked in the furnace body, and flow equalizing holes are uniformly distributed in the flow equalizing plates. The device is reasonable in design and novel in structure, the catalytic combustion effect on waste gas is effectively improved, sufficient purification of the waste gas is guaranteed, meanwhile, maintenance of equipment is greatly facilitated, and the use safety of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a catalytic combustion is with combustion furnace. BACKGROUND

[0002] Catalytic combustion device refers to the device or equipment that burns under the action of catalyst, and the working principle of the catalytic combustion device is that the organic waste gas is flameless combusted at a lower ignition temperature with the help of catalyst, so that the organic waste gas is decomposed into nontoxic carbon dioxide and water vapor.

[0003] The catalytic efficiency of the catalyst bed will decrease after the current catalytic combustion furnace is catalytically combusted for a long time, at which time the catalyst bed needs to be replaced, and the current equipment is mostly inconvenient for replacing the catalyst bed, and the high-temperature catalyst bed has great safety hazards when being replaced manually. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings that the replacement of the catalyst bed is inconvenient in the prior art, and the high-temperature catalyst bed has great safety hazards when being replaced manually, and provides a catalytic combustion furnace.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A catalytic combustion furnace, comprising a furnace body, a heat insulation layer is arranged in the side wall of the furnace body, a gas outlet pipe is arranged through the upper part of the furnace body, and a plurality of catalyst bed plates are vertically arranged in the furnace body;

[0007] The catalyst bed plates are inserted into the side wall of the furnace body, the furnace body is provided with a gas inlet pipe below the catalyst bed plates, a plurality of gas inlet openings are arranged on the gas inlet pipe, the other end of the gas inlet pipe extends to the outside of the furnace body and is connected to a gas supply device, a plurality of flow uniformizing plates are stacked in the furnace body corresponding to the catalyst bed plates, and flow uniformizing holes are uniformly arranged on the flow uniformizing plates;

[0008] A plurality of igniters are arranged on the side wall of the furnace body, and a flow disturbing mechanism is arranged at the lower part of the furnace body.

[0009] Preferably, a sealing plate is arranged on the side wall of the furnace body corresponding to the catalyst bed plates.

[0010] More preferably, a heat insulation section is arranged on the side of the catalyst bed plate close to the sealing plate.

[0011] Preferably, the flow disturbing mechanism comprises a gas permeable plate arranged below the gas inlet pipe, a flow disturbing fan rotatably arranged below the gas permeable plate, and a motor arranged below the furnace body and used for driving the flow disturbing fan to rotate.

[0012] More preferably, a flow guide cover is arranged on the outside of the flow disturbing fan, the airflow flows downward on the outside of the flow guide cover, and the airflow flows upward on the inside of the flow guide cover.

[0013] More preferably, the motor is provided with a heat dissipation shell outside.

[0014] Preferably, the upper end of the furnace body is provided with a feeder for scattering catalyst.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1、In the utility model, through the cooperation of multiple catalytic bed plates and multiple flow equalizing plates, the catalytic combustion efficiency is guaranteed while the sufficient oxidation and purification of waste gas are guaranteed, and the treatment effect on waste gas is guaranteed.

[0017] 2、In the utility model, the catalytic bed plate is installed by inserting, the maintenance process of the catalytic combustion furnace is greatly simplified, and the heat insulation measures are designed, so that the safety of personnel during maintenance of the catalytic bed plate is guaranteed.

[0018] 3、In the utility model, through the design of the flow disturbing assembly, the air circulation is driven, the sufficient contact between the air flow and the catalytic bed plate is guaranteed, the sufficient catalytic combustion effect of waste gas pollutants is guaranteed, and the treatment capacity of waste gas is further improved.

[0019] The utility model discloses the design is reasonable, the structure is novel, effectively promotes the catalytic combustion effect of waste gas, guarantees the sufficient purification of waste gas, and also greatly facilitates the maintenance of equipment, and improves the safety of equipment use. DRAWINGS

[0020] Figure 1 It is the appearance structure schematic drawing of the utility model.

[0021] Figure 2 It is the side structure schematic drawing of the utility model.

[0022] Figure 3 It is the internal structure cross section schematic drawing of the utility model.

[0023] Figure 4 It is the internal structure schematic drawing of the utility model.

[0024] Figure 5 It is the internal structure bottom view schematic drawing of the utility model.

[0025] In the drawing: furnace body 1, air inlet pipe 11, air outlet pipe 12, catalytic bed plate 2, sealing plate 21, heat insulation section 22, igniter 3, flow equalizing plate 4, flow equalizing hole 41, flow disturbing mechanism 5, air permeable plate 51, flow disturbing fan 52, motor 53, heat dissipation shell 531, flow guide cover 54, feeder 6. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely part of the embodiments of the utility model, rather than all the embodiments.

[0027] With reference to Figures 1-5 A catalytic combustion furnace, comprising a furnace body 1, a heat insulation layer is arranged in the side wall of the furnace body 1, so as to avoid heat overflow, keep the temperature of the furnace body 1 stable, and improve the stability of catalytic combustion, a gas outlet pipe 12 is arranged through the upper part of the furnace body 1, a plurality of catalytic bed plates 2 are vertically arranged in the furnace body 1, the gas outlet pipe 12 is used for sending out the gas after purification, and the catalytic bed plates 2 are used for catalysis, so as to ensure the stable catalytic combustion.

[0028] The catalytic bed plates 2 are inserted into the side wall of the furnace body 1, so as to facilitate the maintenance and replacement of the catalytic bed plates 2, the furnace body 1 is provided with an air inlet pipe 11 below the catalytic bed plates 2, a plurality of air inlet openings are formed in the air inlet pipe 11, the gas to be catalytically treated is sent into the furnace body 1 through the air inlet pipe 11 to be catalytically combusted, the other end of the air inlet pipe 11 extends to the outside of the furnace body 1 and is connected to a gas supply device, a plurality of flow uniformizing plates 4 are arranged in the furnace body 1 in a stacked mode corresponding to the catalytic bed plates 2, and the flow uniformizing plates 4 are uniformly provided with flow uniformizing holes 41. In order to ensure the flow uniformizing effect, the flow uniformizing holes 41 on the flow uniformizing plates 4 are arranged in a staggered mode. The flow uniformizing plates 4 are arranged on the ascending route of the gas flow, so that the gas flow is fully contacted with the catalytic bed plates 2 to be catalytically combusted, the full oxidation of the waste gas is ensured, and the treatment effect of the waste gas is ensured. Meanwhile, the air inlet pipe 11 is arranged to extend into the furnace body 1, so as to preheat the gas during the sending process, and ensure the good catalytic combustion effect.

[0029] A plurality of igniters 3 are arranged on the side wall of the furnace body 1, and a flow disturbing mechanism 5 is arranged at the lower part of the furnace body 1. When the igniters 3 detect insufficient combustion and the like, the oxidation rate is improved through the participation of the igniters 3, and the treatment effect of the waste gas is ensured. Meanwhile, the flow disturbing mechanism 5 also ensures the full contact of the waste gas with the catalytic bed plates 2, and ensures the full oxidation treatment of the waste gas.

[0030] Based on the above technical scheme, when the exhaust gas is treated, the exhaust gas is sent into the furnace body 1 through the gas inlet pipe 11, and is dispersed through the gas inlet opening. The multiple catalytic bed plates 2 catalyze the exhaust gas to reduce the ignition point, and the ignition device 3 is ignited to burn and purify the exhaust gas. With the continuous input of the exhaust gas, the continuous purification treatment of the exhaust gas is realized. Through the cooperation of the flow distribution plate 4 and the flow disturbing mechanism 5, the exhaust gas can be fully purified. The treated exhaust gas is sent out through the gas outlet pipe 12. The gas outlet pipe 12 can be provided with a filter device such as an activated carbon filter element to ensure the cleanliness of the sent exhaust gas. Through the design of the multiple catalytic bed plates 2 and the flow distribution plate 4, the stability of the exhaust gas purification is effectively ensured. The catalytic bed plates 2 are easily replaced, and the maintenance of the catalytic combustion furnace is facilitated.

[0031] In the technical scheme, as shown in the figure, Figures 1-5 The catalytic bed plate 2 is provided with a sealing plate 21 corresponding to the side wall of the furnace body 1. The side of the catalytic bed plate 2 close to the sealing plate 21 is provided with a heat insulation section 22. The sealing plate 21 ensures the stability of the temperature and pressure in the catalytic combustion furnace, and the heat insulation section 22 further ensures the stability of the temperature. When the catalytic bed plate 2 needs to be replaced, the long cooling time caused by overheating during replacement can be avoided, and the safety of the personnel during replacement is also protected.

[0032] In the technical scheme, as shown in the figure, Figures 1-5 The flow disturbing mechanism 5 includes a gas permeable plate 51 arranged below the gas inlet pipe 11, a flow disturbing fan 52 rotatably arranged below the gas permeable plate 51, and a motor 53 arranged below the furnace body 1 and used to drive the flow disturbing fan 52 to rotate. The flow disturbing fan 52 is driven by the motor 53 to rotate and disturb the flow, so that the exhaust gas does not rise stably and does not come into contact with the catalytic bed plate insufficiently, and the stable catalytic combustion of the exhaust gas is ensured.

[0033] In the technical scheme, as shown in the figure, Figures 1-5 The flow disturbing fan 52 is provided with a flow guide cover 54. The airflow flows downward outside the flow guide cover 54, and flows upward inside the flow guide cover 54. Through the design of the flow guide cover 54, the exhaust gas at the flow disturbing mechanism 5 forms a circulation, the air inlet of the flow disturbing fan 52 is facilitated, and the stable work of the flow disturbing fan 52 is ensured.

[0034] In the technical scheme, as shown in the figure, Figures 3-5 The motor 53 is provided with a heat dissipation shell 531 outside. The heat dissipation effect of the motor 53 is improved, and the overheating of the motor 53 after a long time of work is avoided.

[0035] In the technical scheme, as shown in the figure, Figures 1-3 The furnace body 1 is provided with a feeder 6 for scattering catalyst at the upper end. When needed, the feeder 6 can be used to put catalyst into the furnace body 1, so as to improve the catalytic combustion effect of the exhaust gas and improve the treatment capacity of the catalytic combustion furnace for the exhaust gas.

[0036] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A combustion furnace for catalytic combustion comprising a furnace body (1) provided with a heat insulating layer in its side wall, characterized in that, A gas outlet pipe (12) is arranged through the upper part of the furnace body (1), and a plurality of catalytic bed plates (2) are vertically arranged in the furnace body (1); The catalytic bed plates (2) are all arranged on the side wall of the furnace body (1), the furnace body (1) is provided with an air inlet pipe (11) below the catalytic bed plates (2), a plurality of air inlet openings are formed in the air inlet pipe (11), the other end of the air inlet pipe (11) extends to the outside of the furnace body (1) and is connected to a gas supply device, and a plurality of flow uniformizing plates (4) are stacked in the furnace body (1) corresponding to the catalytic bed plates (2), and the flow uniformizing plates (4) are all provided with flow uniformizing holes (41) uniformly distributed thereon; A plurality of igniters (3) are arranged on the side wall of the furnace body (1), and a flow disturbing mechanism (5) is arranged at the lower part of the furnace body (1).

2. The combustion furnace according to claim 1, wherein The catalytic bed plates (2) are provided with sealing plates (21) corresponding to the side wall of the furnace body (1).

3. The combustion furnace according to claim 2, wherein The catalytic bed plates (2) are provided with heat insulation sections (22) on the side close to the sealing plates (21).

4. The combustion furnace according to claim 1, wherein The flow disturbing mechanism (5) comprises a gas permeable plate (51) arranged below the air inlet pipe (11), a flow disturbing fan (52) rotatably arranged below the gas permeable plate (51), and a motor (53) arranged below the furnace body (1) and used for driving the flow disturbing fan (52) to rotate.

5. The combustion furnace according to claim 4, wherein The flow disturbing fan (52) is provided with a flow guide cover (54) on the outer side, the airflow flows downward on the outer side of the flow guide cover (54), and the airflow flows upward on the inner side of the flow guide cover (54).

6. The combustion furnace according to claim 4, wherein The motor (53) is provided with a heat dissipation shell (531) on the outer side.

7. The catalytic combustion burner of claim 1 wherein, The upper end of the furnace body (1) is provided with a feeder (6) for scattering catalyst.

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