CN219199197U - Thermal storage oxidation and catalytic oxidation device - Google Patents
Thermal storage oxidation and catalytic oxidation device Download PDFInfo
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- CN219199197U CN219199197U CN202221938030.3U CN202221938030U CN219199197U CN 219199197 U CN219199197 U CN 219199197U CN 202221938030 U CN202221938030 U CN 202221938030U CN 219199197 U CN219199197 U CN 219199197U
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Abstract
The utility model provides a heat accumulating oxidation and catalytic oxidation device, which relates to the technical field of waste gas treatment and comprises a reaction box and a heat exchanger, wherein a heat accumulating catalytic oxidation structure for storing waste gas heat is arranged in the reaction box, the heat accumulating catalytic oxidation structure comprises a connecting pipe, an air inlet pipe, a distribution box, a ceramic heat accumulating part for storing waste gas heat, a barrier for supporting the ceramic heat accumulating part, a spiral hole for circulating waste gas and a combustion device or an electric heating device for oxidizing waste gas, the connecting pipe is communicated with the surface of the distribution box, one end of the connecting pipe is communicated with the heat exchanger, one end of the heat exchanger, far from the connecting pipe, is communicated with the air inlet pipe, the other end of the connecting pipe is communicated with the distribution box, the upper end of the reaction box is communicated with an air outlet pipe, and the upper end of the air outlet pipe is communicated with the heat exchanger. The utility model solves the problems of lower concentration treatment efficiency, lower heat recovery rate and high investment cost of the traditional waste gas treatment device for waste gas.
Description
Technical Field
The utility model relates to the technical field of waste gas treatment, in particular to a thermal storage oxidation and catalytic oxidation device.
Background
The waste gas treatment is a technical means for treating volatile organic compounds and malodorous gases, and along with the increasingly popularization of sustainable development, heat in waste gas can be stored while the waste gas is treated, and the waste gas is discharged after being subjected to thermal oxidation or catalytic oxidation.
The heat accumulation type combustion oxidation device that traditional technique adopted can install the heat accumulation part in the cavity and the inside of cavity and store the heat in the waste gas, but the pipeline that leads to the waste gas is generally straight tube, and the time that contains higher heat waste gas and pass through the heat accumulation part is shorter, and then leads to waste gas heat recovery rate lower, and after carrying out thermal oxidation or catalytic oxidation to waste gas through burning simultaneously, the direct emission of waste gas that contains high heat also can cause the heat waste to a certain extent.
Meanwhile, the heat accumulating type combustion oxidation device adopted by the traditional technology can leak in the waste gas thermal oxidation conversion process, so that the treatment efficiency of the traditional technology device is lower.
Disclosure of Invention
The utility model aims to solve the defects of lower heat recovery rate of waste gas, lower waste gas treatment efficiency and higher investment cost of the traditional waste gas treatment device in the prior art, and provides a heat accumulating oxidation and catalytic oxidation device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the heat accumulating oxidation and catalytic oxidation device comprises a reaction box and a heat exchanger, wherein a heat accumulating catalytic oxidation structure for storing waste gas heat is arranged in the reaction box, and comprises a connecting pipe, an air inlet pipe, a distribution box, a ceramic heat accumulating part for storing waste gas heat, a grating for supporting the ceramic heat accumulating part, a spiral hole for circulating waste gas and a combustion device or an electric heating device for oxidizing the waste gas.
By adopting the technical scheme, the waste gas can be directly communicated into the ceramic heat storage piece, the waste gas passes through the spiral hole and downwards passes through the ceramic heat storage piece, and the effect of improving the heat storage efficiency of the waste gas is further improved by means of the time of the spiral Kong Yanhuan when the waste gas passes through the ceramic heat storage piece; the spiral hole wall is airtight, so that the problem of waste gas leakage is solved, and the waste gas treatment efficiency is improved.
Preferably, the connecting pipe intercommunication is on the surface of distribution box, the one end intercommunication of connecting pipe has the heat exchanger, the one end intercommunication that the connecting pipe was kept away from to the heat exchanger has the intake pipe, the other end intercommunication of connecting pipe has the distribution box, the upper end intercommunication of reaction box has the outlet duct, the upper end of outlet duct is led to there is the heat exchanger, the inner wall fixedly connected with barrier of reaction box, the upper surface mounting of barrier has a plurality of ceramic heat accumulation spare, the upper and lower both sides of ceramic heat accumulation spare evenly are equipped with a plurality of connecting hole, the distribution box lower surface evenly is equipped with a plurality of connecting hole A and corresponds with the connecting hole respectively, the distribution box corresponds connecting hole A's position fixedly connected with communicating pipe, the lower extreme and the connecting hole of communicating pipe are linked together, with the group the other end of connecting hole corresponds the intercommunication has the spiral hole, the upper end of ceramic heat accumulation spare is linked together with the distribution box with the help of the connecting hole, the combustion device or the electric heater that are used for burning waste gas to carry out oxidation reaction is installed to the inner wall of reaction box.
By adopting the preferable scheme, the effect that after the exhaust gas is introduced from the air inlet pipe, the exhaust gas can flow into the distribution box along the connecting pipe, and finally is introduced below the barrier through the connecting hole and the spiral hole to carry out combustion oxidation treatment by means of the combustion device or the electric heating device is achieved.
Preferably, the ceramic heat storage piece is a ceramic composite piece formed by stacking single ceramic pieces, the walls of the spiral holes and the connecting holes are dense layers of the ceramic heat storage piece, and the ceramic heat storage piece is a loose layer outwards from the spiral holes and the connecting holes.
By adopting the preferable scheme, the high-temperature waste gas can be directly contacted with the ceramic heat storage piece on the premise that the normal transmission of the waste gas is not affected by the pipe, so that the effect of better storing heat is achieved, meanwhile, after the waste gas is burnt and oxidized, the waste gas carrying heat can be directly conveyed upwards through a loose layer of the ceramic heat storage piece, and the ceramic heat storage piece can store the heat of the oxidized waste gas during conveying and finally is discharged from an air outlet pipe.
Preferably, the walls of the spiral holes and the connecting holes are dense layers of the ceramic heat storage pieces, so that waste gas is leaked zero in the thermal oxidation treatment process, and the waste gas treatment efficiency is improved.
Preferably, the ceramic heat storage elements on the barrier can be added or subtracted according to the number of specific rooms.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the utility model, through the arrangement of the heat accumulating catalytic oxidation structure, firstly, waste gas is introduced from the air inlet pipe, then the waste gas is introduced into the distribution box through the connecting pipe, at the moment, the waste gas flows downwards along the connecting hole of the ceramic heat accumulating member, at the moment, heat in the waste gas is transferred to the ceramic heat accumulating member, when the waste gas flows below the barrier, the combustion device or the electric heating device is started, the waste gas starts to be combusted by flame or thermocouple, so that the effect of combustion and oxidation of the waste gas is achieved, after the oxidation reaction of the waste gas, the treated waste gas directly flows upwards through the loose layer of the ceramic heat accumulating member, at the moment, the heat of the treated waste gas is absorbed by the loose layer of the ceramic heat accumulating member, so that the recovery efficiency of the heat of the waste gas is further improved, and finally, the waste gas is discharged through the air outlet pipe.
2. According to the utility model, the spiral holes and the connecting holes are arranged, so that the recovery efficiency of the ceramic heat storage piece to the waste gas heat can be greatly improved by directly arranging the spiral holes in the ceramic heat storage piece to replace the traditional installation pipeline for conveying the waste gas, the spiral holes can effectively delay the flowing time of the waste gas from the ceramic heat storage piece, the ceramic heat storage piece can absorb the heat of the ceramic heat storage piece better, and the wall of the spiral holes and the connecting holes is a dense layer of the ceramic heat storage piece, so that the waste gas is zero leaked in the thermal oxidation treatment process, and the waste gas treatment efficiency is improved.
3. In the utility model, the heat exchanger is arranged, and the temperature of the exhaust gas of the air outlet pipe is relatively higher, and the temperature of the exhaust gas of the air inlet pipe is relatively lower, so that the temperature of the exhaust gas with relatively lower temperature is raised to relatively higher temperature after flowing through the heat exchanger and then reaching the connecting pipe, and the exhaust gas with relatively higher temperature enters the reaction chamber to be burnt under the ignition of the combustion device or the electric heating device, at the moment, compared with the energy used for directly entering the reaction chamber for combustion by the low-temperature exhaust gas, the energy is saved, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of a thermal storage oxidation and catalytic oxidation apparatus according to the present utility model;
FIG. 2 is a schematic diagram showing the internal structure of the thermal storage oxidation and catalytic oxidation apparatus of FIG. 1 according to the present utility model;
FIG. 3 is a schematic view of the structure of the thermal storage oxidation and catalytic oxidation apparatus according to the present utility model shown in FIG. 2;
FIG. 4 is a cross-sectional view of FIG. 3 showing a thermal storage oxidation and catalytic oxidation apparatus in accordance with the present utility model;
FIG. 5 is a schematic diagram of a distribution box of a thermal storage oxidation and catalytic oxidation device according to the present utility model;
fig. 6 is a schematic structural diagram of an embodiment 2 of a thermal storage oxidation and catalytic oxidation apparatus according to the present utility model.
Legend description: 1. a reaction box; 2. a thermal storage catalytic oxidation structure; 201. a connecting pipe; 202. a heat exchanger; 203. an air inlet pipe; 204. a distribution box; 205. a barrier; 206. a ceramic heat storage member; 207. a combustion device or an electrical heating device; 208. an air outlet pipe; 209. a connection hole; 209A, connection hole a;209B, communicating tube; 210. a spiral hole.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
The specific arrangement and function of the regenerative catalytic oxidation structure 2 will be described in detail below.
As shown in fig. 1 to 4, the connection pipe 201 is connected to the surface of the distribution box 204, one end of the connection pipe 201 is connected to the heat exchanger 202, one end of the heat exchanger 202, far away from the connection pipe 201, is connected to the air inlet pipe 203, the other end of the connection pipe 201 is connected to the distribution box 204, the upper end of the reaction box 1 is connected to the air outlet pipe 208, the upper end of the air outlet pipe 208 is connected to the heat exchanger 202, the inner wall of the reaction box 1 is fixedly connected to the barrier 205, a plurality of ceramic heat accumulating members 206 are mounted on the upper surface of the barrier 205, a plurality of connection holes 209 are uniformly formed on the upper and lower sides of the ceramic heat accumulating members 206, a plurality of connection holes a209A are uniformly formed on the lower surface of the distribution box 204, a plurality of connection holes a209A are respectively corresponding to the connection holes 209, a communicating pipe 209B is fixedly connected to the position of the distribution box 204, the lower end of the communicating pipe 209B is connected to the connection holes 209, the other ends of the same group of connection holes 209 are correspondingly connected to the spiral holes 210, the upper end of the ceramic heat accumulating members 206 are connected to the distribution box 204 by the connection holes 209, and the inner wall of the reaction box 1 is provided with a combustion device or an electric heating device 207 for carrying out oxidation reaction of combustion waste gas. The ceramic heat storage piece 206 is a ceramic composite piece formed by stacking single ceramic pieces, the walls of the spiral holes 210 and the connecting holes 209 are dense layers of the ceramic heat storage piece 206, and the ceramic heat storage piece 206 is a loose layer outwards from the spiral holes 210 and the connecting holes 209. The ceramic thermal storage elements 206 on the louvers 205 may be added or subtracted depending on the particular number of rooms.
The effect that its whole thermal storage catalytic oxidation structure 2 reached is, through setting up thermal storage catalytic oxidation structure 2, at first let in waste gas from intake pipe 203, then waste gas can pass through connecting pipe 201 and let in distribution box 204, this moment waste gas can flow down along the connecting hole 209 of ceramic heat accumulation spare 206, waste gas flows down along spiral hole 210, the heat in the waste gas can be transmitted to ceramic heat accumulation spare 206 this moment, when waste gas flows to the barrier 205 below, at this moment, start burner or electric heater 207, begin to burn waste gas with the help of flame or thermocouple, and then the effect of carrying out combustion oxidation to waste gas has been reached, after carrying out oxidation reaction to waste gas, the waste gas after the processing can directly flow upwards through the loose layer of ceramic heat accumulation spare 206, this moment the waste gas heat after the processing can be absorbed by the loose layer of ceramic heat accumulation spare 206, and then further improve waste gas heat recovery efficiency, waste gas is discharged through outlet duct 208 last, through setting up thermal storage catalytic oxidation structure 2, the heat that can let in waste gas into ceramic heat accumulation spare 206, then absorb the heat in the waste gas, after the waste gas combustion oxidation, can make the waste gas after the heat accumulation spare 206 pass through the ceramic heat accumulation layer, and further store the effect of heat further after the processing. Through setting up spiral hole 210 and connecting hole 209, can improve ceramic heat storage spare 206 to waste gas heat's recovery efficiency greatly through directly offering spiral hole 210 in ceramic heat storage spare 206 instead of traditional installation pipeline transportation waste gas, set up to the time that the heliciform hole can effectively delay waste gas to flow through from ceramic heat storage spare 206, and then make ceramic heat storage spare 206 absorb ceramic heat storage spare 206's heat better, through setting up spiral hole 210 and connecting hole 209, the pore wall of spiral hole 210 and connecting hole 209 is ceramic heat storage spare 206's closely made layer, waste gas zero leakage in thermal oxidation treatment process, and then improved waste gas treatment efficiency.
As shown in fig. 1, the overall heat exchanger 202 achieves the following effects: because the temperature of the exhaust gas of the air outlet pipe 208 is relatively high and the temperature of the exhaust gas of the air inlet pipe 203 is relatively low, the temperature of the exhaust gas with relatively low temperature is raised to relatively high temperature after flowing through the heat exchanger 202 to the connecting pipe 201, and the exhaust gas with relatively high temperature enters the reaction chamber to be burnt under the ignition of the combustion device or the electric heating device 207, at this time, compared with the energy used for directly entering the reaction chamber for combustion by low-temperature exhaust gas, the energy is saved, and the cost is reduced.
In embodiment 2, compared with embodiment 1, the combustion device or the electric heating device 207 is arranged at the upper end of the reaction box 1, the lower end is provided with the exhaust gas outlet after heat accumulation and oxidation catalysis, and the heating position is changed from the lower part to the upper part on the premise of not influencing the normal heat accumulation and oxidation of the exhaust gas, so that the effect of improving the working environment of staff below the reaction box is achieved to a certain extent.
In embodiment 3, spiral holes 210 formed by closely-packed layers of the ceramic heat storage member 206 and spiral pipes with matched sizes can be added in the connecting holes 209 to convey the exhaust gas.
In summary, the materials of the spiral pipe and the channel are not limited to the iron pipe or the ceramic pipe, and the inside and the outside of the device are not limited to the square shape and the material.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (4)
1. The device comprises a reaction box (1) and a heat exchanger (202), and is characterized in that: the inside of reaction box (1) is equipped with and is used for storing waste gas thermal heat to store catalytic oxidation structure (2), catalytic oxidation structure (2) of heat accumulation include connecting pipe (201), intake pipe (203), distributor box (204), be used for storing waste gas thermal ceramic heat storage piece (206), be used for supporting barrier (205) of ceramic heat storage piece (206), be used for circulating spiral hole (210) of waste gas and be used for to waste gas oxidation's burner or electric heater unit (207).
2. The regenerative oxidation and catalytic oxidation device according to claim 1, wherein: the utility model discloses a heat storage device, including distributing box (204) and connecting box (1), connecting pipe (201) intercommunication is on the surface of distributing box (204), the one end intercommunication of connecting pipe (201) has heat exchanger (202), the one end intercommunication that connecting pipe (201) was kept away from to heat exchanger (202) has intake pipe (203), the other end intercommunication of connecting pipe (201) has distributing box (204), the upper end intercommunication of reacting box (1) has outlet duct (208), the upper end of outlet duct (208) has heat exchanger (202), the inner wall fixedly connected with barrier (205) of reacting box (1), the upper surface of barrier (205) installs a plurality of ceramic heat storage spare (206), the upper and lower both sides of ceramic heat storage spare (206) evenly are equipped with a plurality of connecting hole (209), distributing box (204) lower surface evenly is equipped with a plurality of connecting hole A (209A) respectively with connecting hole (209), the position fixedly connected with connecting pipe (209B) of connecting hole A (209A) corresponding to distributing box (204), the lower extreme and connecting hole (209B) are linked together with connecting hole (209) through the corresponding screw hole (209) of connecting pipe (210), the inner wall of the reaction box (1) is provided with a combustion device or an electric heating device (207) for burning waste gas to perform oxidation reaction.
3. The regenerative oxidation and catalytic oxidation device according to claim 1, wherein: the ceramic heat storage piece (206) is a ceramic composite piece formed by stacking single ceramic pieces, the hole walls of the spiral holes (210) and the connecting holes (209) are compact layers of the ceramic heat storage piece (206), and the ceramic heat storage piece (206) is a loose layer outwards from the spiral holes (210) and the connecting holes (209).
4. The regenerative oxidation and catalytic oxidation device according to claim 1, wherein: the ceramic heat storage elements (206) on the grating (205) can be added and subtracted according to the number of specific rooms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221938030.3U CN219199197U (en) | 2022-07-25 | 2022-07-25 | Thermal storage oxidation and catalytic oxidation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221938030.3U CN219199197U (en) | 2022-07-25 | 2022-07-25 | Thermal storage oxidation and catalytic oxidation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219199197U true CN219199197U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221938030.3U Active CN219199197U (en) | 2022-07-25 | 2022-07-25 | Thermal storage oxidation and catalytic oxidation device |
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| Country | Link |
|---|---|
| CN (1) | CN219199197U (en) |
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2022
- 2022-07-25 CN CN202221938030.3U patent/CN219199197U/en active Active
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