CN214468682U - Heat accumulating type catalytic incinerator - Google Patents
Heat accumulating type catalytic incinerator Download PDFInfo
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- CN214468682U CN214468682U CN202023106715.5U CN202023106715U CN214468682U CN 214468682 U CN214468682 U CN 214468682U CN 202023106715 U CN202023106715 U CN 202023106715U CN 214468682 U CN214468682 U CN 214468682U
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Abstract
The utility model relates to the field of incinerator equipment, and discloses a regenerative catalytic incinerator, which comprises an incinerator body, wherein one end of the incinerator body is connected with an incinerator door, the upper end of one side of the incinerator body is connected with an air supply system, the upper end of the other side of the incinerator body is connected with a circulating pipe, the lower end of the other side of the incinerator body is connected with an air outlet pipe, the other side of the incinerator body is connected with a chimney through the circulating pipe and the air outlet pipe, the other side inside the incinerator body is connected with a ceramic heat accumulator, the air supply system comprises an air inlet pipe, one end of the air inlet pipe is connected with a mixing nozzle, and the other end of the air inlet pipe is connected with a mixing fan; an organic waste gas inlet pipe is also arranged on the furnace body. The utility model leads the organic waste gas into the incinerator, and changes the organic gas into harmless gas by means of the catalytic combustion method; the ceramic heat accumulator in the incinerator can efficiently recover heat, and simultaneously preheats circularly fed waste gas, thereby effectively reducing fuel consumption.
Description
Technical Field
The utility model relates to an burn burning furnace equipment field, specifically a heat accumulation formula catalytic incinerator.
Background
The VOC exhaust gas is also called organic exhaust gas, and is a general term for volatile organic compounds, and many production enterprises nowadays have VOC exhaust gas, such as printing ink of printing factories, exhaust gas of paint spray rooms, exhaust gas of rubber factories, or exhaust gas of pharmaceutical factories, and the like, which all contain VOC exhaust gas.
Direct emission of VOC exhaust gas can cause serious environmental pollution, and the VOC exhaust gas is mostly treated by returning to a furnace and re-burning, but the treatment of the exhaust gas requires heating the exhaust gas to a higher temperature, which can cause increase of fuel cost. Accordingly, those skilled in the art have provided a regenerative catalytic incinerator to solve the problems set forth in the background art described above.
Disclosure of Invention
An object of the utility model is to provide a heat accumulation formula catalytic incinerator to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a heat accumulation formula catalytic incinerator, includes the furnace body, furnace body one end is connected with the furnace gate, the upper end of furnace body one side is connected with air supply system, the upper end of furnace body opposite side is connected with the circulating pipe, the lower extreme of furnace body opposite side is connected with the outlet duct, the furnace body opposite side is connected with the chimney through circulating pipe and outlet duct, the inside one side of furnace body is equipped with burns the frame, burn and placed the catalyst layer on the frame, the inside opposite side of furnace body is connected with the ceramic heat accumulator, air supply system includes the intake pipe, intake pipe one end is connected with mixed nozzle, the intake pipe other end is connected with mixed fan, still install organic waste gas intake pipe on the furnace body.
As a further aspect of the present invention: the middle part of the air inlet pipe is connected with a valve.
As a further aspect of the present invention: one side of the mixing fan is connected with a gas pipeline, and the other side of the mixing fan is connected with a combustion-supporting air pipeline.
As a further aspect of the present invention: the middle part of the chimney is connected with a circulating fan, and the top of the chimney is connected with a protective cover.
As a further aspect of the present invention: the middle part of the top of the protective cover is connected with a protective net.
As a further aspect of the present invention: one side of the circulating fan is connected with the circulating pipe.
As another improvement of the utility model, the furnace body top has the change storehouse, burn the frame and order about by hoist mechanism, run through the furnace body top after change the storehouse and move between the furnace body.
As a further aspect of the present invention: the lifting mechanism comprises a winch fixed on the replacing bin, a fixed pulley and a steel wire rope connected to the top of the burning frame.
As a further aspect of the present invention: the catalyst layer comprises a honeycomb catalyst part and heat insulation plates fixed at the upper end and the lower end of the honeycomb catalyst part, and the honeycomb catalyst part is provided with honeycomb holes which penetrate horizontally.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model leads the organic waste gas into the incinerator, and changes the organic gas into harmless gas by means of the catalytic combustion method; the ceramic heat accumulator in the incinerator can be used for efficiently recovering heat, the heat loss of waste gas is reduced, the utilization rate of fuel is improved to the maximum extent, the ceramic heat accumulator can be used for preheating the waste gas which is circularly fed in, the fuel consumed by heating the waste gas is saved, the fuel consumption can be effectively reduced, and the ceramic heat accumulator is more energy-saving and environment-friendly; meanwhile, the circulating fan can send the waste gas generated during combustion into the furnace body again for combustion, so that the organic waste gas in the waste gas is decomposed into water and carbon dioxide, and the pollution of the waste gas to the environment is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a gas supply system of the present invention;
FIG. 4 is a schematic view of another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a catalyst layer according to the present invention.
In the figure: 1. a furnace body; 2. a furnace door; 3. an air supply system; 4. a circulation pipe; 5. an air outlet pipe; 6. a chimney; 7. an incineration rack; 8. a ceramic heat accumulator; 9. a circulating fan; 10. a protective cover; 11. a protective net; 31. an air inlet pipe; 32. a valve; 33. a mixing nozzle; 34. a mixing fan; 35. a gas pipeline; 36. a combustion air line; 12. a catalyst layer; 12a, a heat insulation plate; 12b, a honeycomb catalyst portion; 12c, honeycomb holes; 13. replacing the bin; 14. a fixed pulley; 15. a winch; 16. and an organic waste gas inlet pipe.
Detailed Description
Referring to fig. 1 to 3, in a first embodiment of the present invention, a regenerative catalytic incinerator comprises a furnace body 1, a furnace door 2 is installed at one end of the furnace body 1, the furnace door 2 can be opened by rotating to one side, after the furnace door 2 is opened, an object to be incinerated can be placed inside the furnace body 1 for incineration treatment, an air supply system 3 is connected to the upper end of one side of the furnace body 1, combustible gas and combustion-supporting air can be input into the furnace body 1 through the air supply system 3 to provide fuel for the incineration process of the incinerator, and simultaneously sufficient oxygen is increased to ensure the utilization rate of gas combustion, so that the combustion is more sufficient, a circulating pipe 4 is welded and fixed to the upper end of the other side of the furnace body 1, an outlet pipe 5 is welded and fixed to the lower end of the other side of the furnace body 1, the other side of the furnace body 1 is connected with a chimney 6 through the circulating pipe 4 and the outlet pipe 5, and waste gas generated during the combustion in the furnace body 1 can be discharged into the chimney 6 through the outlet pipe 5, rises upwards along the chimney 6, the middle part of the chimney 6 is provided with a circulating fan 9, one side of the circulating fan 9 is connected with the circulating pipe 4, one part of the waste gas in the chimney is sucked into the circulating pipe 4 by the circulating fan 9 and is sent into the furnace body 1 again, mixing with the fuel gas in the furnace body 1 for combustion, decomposing the organic matters in the waste gas at high temperature, discharging the fully combusted waste gas through the gas outlet pipe 5, after multiple cycles, the EVO content in the waste gas can be reduced, the top of the chimney 6 is fixedly connected with a protective cover 10, the middle part of the top of the protective cover 10 is fixedly provided with a protective net 11, the protective cover 10 and the protective net 11 can shield the top of the chimney 6, the normal smoke discharge of the chimney 6 is not influenced, external birds and beasts can be prevented from entering the furnace body 1 from the chimney 6, and the smooth pipeline and the normal operation of equipment can be effectively guaranteed; an organic waste gas inlet pipe 16 is also arranged on the furnace body 1, so that organic waste gas to be treated can be introduced into the furnace body 1 for treatment.
In fig. 2: the burning frame 7 is fixedly arranged on one side inside the furnace body 1, the catalyst layer 12 is placed on the burning frame 7, and the burning frame 7 in the embodiment of the application is fixed inside the furnace body 1 by combining with the figure 2. When the organic gas heated to 300 to 450 ℃ passes through the catalyst layer, oxygen and the organic gas are adsorbed on the catalyst, so that the probability of contact collision between the oxygen and the organic gas is increased, the activity is improved, and the organic gas and the oxygen generate violent chemical reaction to generate CO2And H2O, while generating heat, thereby making the organic gas harmless.
The inside opposite side fixed mounting of furnace body 1 has ceramic heat accumulator 8, ceramic heat accumulator 8 should select honeycomb structure's heat accumulator for use, can collect the heat and the flue gas waste heat that the burning produced effectively, reduce calorific loss, when circulating fan 9 and circulating pipe 4 are reinforceed back furnace body 1 inside with low temperature waste gas, when waste gas passes through in the hole of ceramic heat accumulator, ceramic heat accumulator 8 can preheat waste gas, the heat energy that utilizes the inside storage of ceramic heat accumulator 8 makes waste gas heat up, the fuel consumption of waste gas intensification saves.
In fig. 3: the gas supply system 3 comprises a gas inlet pipe 31, the gas inlet pipe 31 is welded and fixed on one side of the furnace body 1, a valve 32 is arranged and connected in the middle of the gas inlet pipe 31, the valve 32 on the gas inlet pipe 31 is rotated to control the opening and closing of the gas inlet pipe 31 and the gas inlet flow, so as to control the gas inlet speed inside the furnace body 1, one end of the gas inlet pipe 31 is arranged and connected with a mixing nozzle 33, the other end of the gas inlet pipe 31 is connected with the air outlet of a mixing fan 34, the air inlet on one side of the mixing fan 34 is connected with a gas pipeline 35, the air inlet on the other side of the mixing fan 34 is connected with a combustion air pipeline 36, the gas in the gas pipeline 35 and the air in the combustion air pipeline 36 can be mixed and conveyed through the mixing fan 34, the mixed gas is sent into the gas inlet pipe 31, and then the mixed gas is sent into the furnace body 1 through the mixing nozzle 33 to be combusted.
The utility model discloses a theory of operation is: the gas and the air for combustion aid are mixed by a mixing fan 34 of the gas supply system 3 and then are input into the furnace body 1, the gas is combusted in the furnace body 1 to generate heat to heat the furnace body 1, then the organic waste gas is introduced into the furnace body 1 through an organic waste gas inlet pipe 16 and is treated by a catalytic combustion method by matching with a catalyst layer 12, the combusted waste gas is sent into a chimney 6 through an outlet pipe 5, in the process of outputting the waste gas to the outlet pipe 5, the waste gas can recover the heat through a ceramic heat accumulator 8 and store the heat in the ceramic heat accumulator 8, meanwhile, the heat generated during combustion can be accumulated in the ceramic heat accumulator 8, the waste gas is discharged outwards through the chimney 6, the waste gas containing VOC is sent into the furnace body 1 again by blowing air by a circulating fan 9 in the chimney 6, the waste gas passes through the pores of the ceramic heat accumulator 8 again, and the waste gas is preheated by heating the waste gas in the process, reduce the required fuel consumption of intensification, when waste gas heats to 750 ℃ above in furnace body 1 inside, can be with the VOC oxidation decomposition of in the waste gas water and carbon dioxide under high temperature environment, so circulate many times and can reduce the VOC content in the waste gas effectively, outwards discharge the waste gas after will handling through chimney 6 at last.
As another embodiment of the present invention, as shown in fig. 4 and 5, in order to facilitate the later-stage catalyst replacement, the top of the furnace body 1 is provided with a replacement bin 13, and the burning frame 7 is driven by the lifting mechanism and moves between the replacement bin 13 and the furnace body 1 after penetrating through the top of the furnace body 1. The catalyst layer 12 in this embodiment is arranged in plural in the order from bottom to top. The utility model discloses when using, be in the catalyst layer 12 of lowest earlier with organic gas contact reaction, the chemical reaction formula as follows:
when the catalyst layer 12 at the lowest position is completely consumed, the lifting mechanism is controlled to move the incineration carriage 7 downwards, so that a new catalyst layer 12 is exposed in the furnace body 1 for reaction. This sequence of operations allows the catalyst layers 12 to be continuously supplied, and when all the catalyst layers are used up, the incineration rack 7 is lifted by the lifting mechanism to the replacement bin 13, so that each catalyst layer 12 can be replaced in the replacement bin 13.
The lifting mechanism comprises a winch 15 fixed on the replacing bin 13, a fixed pulley 14 and a steel wire rope connected to the top of the burning rack 7.
The catalyst layer 12 includes a honeycomb catalyst portion 12b and heat insulating plates 12a fixed to upper and lower ends of the honeycomb catalyst portion 12b, and the honeycomb catalyst portion 12b has honeycomb holes 12c horizontally penetrating therethrough.
In the present embodiment, when the corresponding honeycomb catalyst portion 12b is in the furnace body 1 and reacts, the heat insulating plate 12a at the lower end of the catalyst layer 12 located nearest above the honeycomb catalyst portion 12b is just engaged with the top of the furnace body 1, as shown in fig. 4, so that the heat in the furnace body 1 can be effectively prevented from flowing into the replacement bin 13, and the catalyst layer 12 above the catalyst layer 12 that is operating can be prevented from participating in the reaction.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the present invention, the concept of replacing or changing with equal ones should be covered within the protection scope of the present invention.
Claims (9)
1. A regenerative catalytic incinerator comprises an incinerator body (1) and is characterized in that one end of the incinerator body (1) is connected with an incinerator door (2), the upper end of one side of the furnace body (1) is connected with an air supply system (3), the upper end of the other side of the furnace body (1) is connected with a circulating pipe (4), the lower end of the other side of the furnace body (1) is connected with an air outlet pipe (5), the other side of the furnace body (1) is connected with a chimney (6) through a circulating pipe (4) and the air outlet pipe (5), an incineration rack (7) is arranged on one side inside the furnace body (1), a catalyst layer (12) is placed on the incineration rack (7), the other side in the furnace body (1) is connected with a ceramic heat accumulator (8), the gas supply system (3) comprises a gas inlet pipe (31), one end of the gas inlet pipe (31) is connected with a mixing nozzle (33), and the other end of the gas inlet pipe (31) is connected with a mixing fan (34); and an organic waste gas inlet pipe (16) is also arranged on the furnace body (1).
2. A regenerative catalytic incinerator according to claim 1 wherein said air inlet pipe (31) is connected to a valve (32) at its middle.
3. A regenerative catalytic incinerator according to claim 1 wherein said mixing fan (34) is connected to a gas line (35) on one side and a combustion air line (36) on the other side of said mixing fan (34).
4. A regenerative catalytic incinerator according to claim 1 wherein said chimney (6) is connected to a circulating fan (9) at the middle thereof and a hood (10) is connected to the top of said chimney (6).
5. A regenerative catalytic incinerator according to claim 4 wherein the top of the shield (10) is connected to a protective screen (11) at its middle.
6. A regenerative catalytic incinerator according to claim 4 wherein said circulating fan (9) is connected to the circulating pipe (4) on one side.
7. A regenerative catalytic incinerator according to claim 1 wherein said furnace body (1) has a change-over cabin (13) at the top thereof, and said frame (7) is driven by a lifting mechanism to move between said change-over cabin (13) and said furnace body (1) after penetrating the top of said furnace body (1).
8. A regenerative catalytic incinerator according to claim 7 wherein said lifting mechanism comprises a winch (15) fixed to the exchange silo (13), a fixed block (14) and a wire rope attached to the top of the incinerator frame (7).
9. A regenerative catalytic incinerator according to claim 7 wherein said catalyst layer (12) comprises a honeycomb catalyst portion (12b) and heat insulating plates (12a) fixed to upper and lower ends of the honeycomb catalyst portion (12b), the honeycomb catalyst portion (12b) having horizontally penetrating honeycomb holes (12 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106715.5U CN214468682U (en) | 2020-12-22 | 2020-12-22 | Heat accumulating type catalytic incinerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106715.5U CN214468682U (en) | 2020-12-22 | 2020-12-22 | Heat accumulating type catalytic incinerator |
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| Publication Number | Publication Date |
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| CN214468682U true CN214468682U (en) | 2021-10-22 |
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| CN202023106715.5U Active CN214468682U (en) | 2020-12-22 | 2020-12-22 | Heat accumulating type catalytic incinerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493157A (en) * | 2022-08-30 | 2022-12-20 | 江苏瑞鼎环境工程有限公司 | Safe organic waste gas heat accumulation type thermal incinerator structure and heat accumulation method |
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2020
- 2020-12-22 CN CN202023106715.5U patent/CN214468682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115493157A (en) * | 2022-08-30 | 2022-12-20 | 江苏瑞鼎环境工程有限公司 | Safe organic waste gas heat accumulation type thermal incinerator structure and heat accumulation method |
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