CN214332751U - Double-bed catalytic combustor - Google Patents
Double-bed catalytic combustor Download PDFInfo
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- CN214332751U CN214332751U CN202120148292.9U CN202120148292U CN214332751U CN 214332751 U CN214332751 U CN 214332751U CN 202120148292 U CN202120148292 U CN 202120148292U CN 214332751 U CN214332751 U CN 214332751U
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Abstract
The utility model discloses a double-bed catalytic combustor, which comprises a catalytic combustor shell, wherein a first heating plate is arranged below an airflow distribution plate, and a first catalyst filter screen box is filled with a first catalyst; the heat insulation plate is characterized in that a second heating plate is arranged below the heat insulation plate, the upper air guide pipe and the second catalyst filter screen box are correspondingly arranged, a backflow groove is formed among the guide plate, the upper air guide pipe and the top of the second catalyst filter screen box, a plurality of vent holes are formed in the heat conduction plate, an inert heat storage ring is fixedly arranged in each vent hole, a plurality of lower air guide pipes are correspondingly communicated below the second catalyst filter screen box, a heat exchange pipe is communicated with each vent hole, and the other end of each heat exchange pipe is communicated with the backflow groove. The utility model provides a double-bed catalytic combustor, which is internally provided with two catalyst filter screen boxes. Can place low temperature and high temperature catalyst respectively, and this device can carry out the heat transfer with the heat and utilize, effectively reduces the treatment cost of waste gas.
Description
Technical Field
The utility model relates to a combustor technical field specifically is a double-bed catalytic combustor.
Background
For the treatment of VOC waste gas, there are mainly direct combustion method and catalytic combustion method, the reaction temperature of the direct combustion method is more than 1000 ℃, the energy consumption is high, and Cl is easily produced2、COCl2、NOXToxic byproducts such as polychlorinated diphenyl furan and the like, which have greater environmental hazard; the catalytic combustion method is characterized in that organic waste gas can be flameless combusted at a lower ignition temperature by virtue of a catalyst and is oxidized and decomposed into CO2And H2And O, simultaneously, a large amount of heat energy is released, so that the energy is saved.
The drawbacks of the prior art include, but are not limited to: 1. the existing catalytic burner is mostly designed in a single bed layer, and only one catalyst can be filled, so that the existing catalytic burner is easily limited by the suitable working temperature of the catalyst, can only process waste gas in a temperature range, and is not suitable for the working condition with complex waste gas mixing condition; 2. waste gas can generate heat in the catalytic combustion treatment process, the existing device does not effectively utilize the heat energy, more energy waste exists, and energy conservation and emission reduction are not facilitated.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: an object of the utility model is to provide a double-bed catalytic combustor to solve the problem that proposes among the above-mentioned background art.
A double-bed catalytic combustor comprises a catalytic combustor shell, wherein a waste gas inlet pipe and an air inlet pipe are respectively communicated and arranged on the top wall of the catalytic combustor shell, an air flow distribution plate is fixedly arranged in an inner cavity of the catalytic combustor shell, a first heating plate is arranged below the air flow distribution plate, a first heating sheet is embedded in the first heating plate, a first hot air groove is formed in the first heating plate, a first catalyst filter screen box is arranged below the first heating plate, a first catalyst is filled in the first catalyst filter screen box, a heat insulation plate is arranged below the first catalyst filter screen box, a ventilation pipe is embedded in the heat insulation plate, and a one-way valve is arranged in the ventilation pipe;
a second heating plate is arranged below the heat insulation plate, a second heating plate is embedded in the second heating plate, a second hot air groove is formed in the second heating plate, guide plates are arranged below the second heating plate, an upper air guide pipe is arranged between the guide plates and fixedly arranged on a heat conduction plate, a plurality of second catalyst filter net boxes are embedded in the heat conduction plate, a second catalyst is filled in the second catalyst filter net boxes, the upper air guide pipe and the second catalyst filter net boxes are correspondingly arranged, so that air blown out from the upper air guide pipe can pass through the second catalyst, a return groove is formed among the guide plates, the upper air guide pipe and the top of the second catalyst filter net boxes, a plurality of vent holes are formed in the heat conduction plate, an inert heat storage ring is fixedly arranged in each vent hole, and a plurality of lower air guide pipes are correspondingly communicated below the second catalyst filter net boxes, the lower air guide pipe is communicated with the hollow air collecting plate, an air storage cavity is formed between the top of the hollow air collecting plate and the heat conducting plate, an air outlet hole is formed in the bottom of the hollow air collecting plate, a heat exchange pipe is communicated with the air outlet hole, the other end of the heat exchange pipe is communicated with the backflow groove, a first fan is arranged on the heat exchange pipe, and an exhaust pipe is communicated with the side wall of the catalytic combustor shell positioned in the air storage cavity;
the catalytic combustor is characterized in that a display panel, a first temperature control switch and a second temperature control switch are arranged on the outer wall of the catalytic combustor shell, the first temperature control switch is in signal connection with the first heating sheet, and the second temperature control switch is in signal connection with the second heating sheet.
Preferably, a first temperature sensor is arranged between the first heating plate and the first catalyst filter screen box, and the first temperature sensor is fixedly arranged on the side wall of the inner cavity of the catalytic combustor shell.
Preferably, a second temperature sensor is arranged between the guide plate and the heat conducting plate, and the second temperature sensor is fixedly arranged on the side wall of the inner cavity of the catalytic combustor shell.
Preferably, the exhaust pipe is provided with a second fan.
Preferably, the bottom wall of the catalytic combustor shell is symmetrically and fixedly provided with supporting bases.
Has the advantages that:
1. the utility model provides a double-bed catalytic combustor, built-in have first catalyst filter screen case and second catalyst filter screen case, can place low temperature catalyst and high temperature catalyst respectively, and the two can move simultaneously, and then carry out more comprehensive catalytic combustion to the mixed waste gas of kind complicacy;
2. the utility model provides a double-bed catalytic combustor because waste gas can produce heat after catalytic combustion, consequently built-in have heat exchange tube and relevant structures such as inert heat-retaining ring, and then can filter the inside catalyst two of net case to second catalyst in the heat-conducting plate, and high temperature catalyst continues to heat promptly, effectively utilizes self heat production for the second heating plate can be maintained at lower power operation, and is energy-conserving more on the whole.
The utility model provides a double-bed catalytic combustor, which is internally provided with two catalyst filter screen boxes. Can place low temperature and high temperature catalyst respectively, and waste gas can produce heat after catalyst one, and this device can carry out the heat transfer with the heat and utilize for the catalyst that needs the high temperature state can utilize the self-generating heat of waste gas to heat, reduces extra heat supply, effectively reduces the treatment cost of waste gas.
Drawings
FIG. 1 is a schematic front sectional view of the overall structure of the present invention;
fig. 2 is a schematic view of the heat-conducting plate of the present invention.
In the figure: 1. a catalytic combustor housing; 2. an exhaust gas inlet pipe; 3. an air inlet pipe; 4. an air flow distribution plate; 5. a first heating plate; 6. a first heating sheet; 7. a first hot air duct; 8. a first catalyst screen box; 9. a first catalyst; 10. a first temperature sensor; 11. a heat insulation plate; 12. a vent pipe; 13. a one-way valve; 14. a second heating plate; 15. a second heating plate; 16. a second hot air duct; 17. a baffle; 18. an upper air guide pipe; 19. a heat conducting plate; 20. a second catalyst screen box; 21. a second catalyst; 22. a reflux tank; 23. a second temperature sensor; 24. a vent hole; 25. an inert heat storage ring; 26. a lower air guide pipe; 27. a hollow wind-collecting plate; 28. a wind storage cavity; 29. an air outlet; 30. a heat exchange pipe; 31. a first fan; 32. an exhaust duct; 33. a second fan; 34. a support base; 35. a display panel; 36. a first temperature control switch; 37. a second temperature control switch.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
The utility model provides a technical scheme:
a double-bed catalytic combustor comprises a catalytic combustor shell 1, a waste gas inlet pipe 2 and an air inlet pipe 3 are respectively communicated and arranged on the top wall of the catalytic combustor shell 1 and can respectively introduce waste gas and air according to a preset proportion and mix the waste gas and the air into the catalytic combustor shell 1, an air flow distribution plate 4 is fixedly arranged in an inner cavity of the catalytic combustor shell 1 and is used for scattering the waste gas and the air to avoid the situation of local high temperature in subsequent treatment, a first heating plate 5 is arranged below the air flow distribution plate 4, the first heating plate 5 is made of a material with good heat conductivity, a first heating sheet 6 is embedded in the first heating plate 5, a first hot air groove 7 is formed in the first heating plate 5, a mixture of the waste gas and the air can be heated and heated after passing through the first hot air groove 7, a first catalyst filter net box 8 is arranged below the first heating plate 5, the first catalyst filter screen box 8 is filled with a first catalyst 9, the first catalyst 9 is preferably a solid catalyst, a heat insulation plate 11 is arranged below the first catalyst filter screen box 8, the high-temperature treatment environment at the lower side of the heat insulation plate 11 is prevented from causing over-high-temperature damage to the first catalyst 9 in the upper-side low-temperature treatment environment, a ventilation pipe 12 is embedded in the heat insulation plate 11, a check valve 13 is arranged in the ventilation pipe 12, and the arrangement of the check valve 13 enables gas to flow downwards only through the ventilation pipe 12 and not to flow backwards.
A second heating plate 14 is arranged below the heat insulation plate 11, the second heating plate 14 is also made of a material with good heat conduction performance, a second heating plate 15 is embedded in the second heating plate 14, a second hot air groove 16 is arranged on the second heating plate 14, the gas can be heated and heated after passing through the second hot air groove 16, a guide plate 17 is arranged below the second heating plate 14, an upper air guide pipe 18 is arranged between the guide plates 17, the upper air guide pipe 18 is fixedly arranged on a heat conduction plate 19, a plurality of second catalyst filter net boxes 20 are embedded in the heat conduction plate 19, a second catalyst 21 is filled in the second catalyst filter net boxes 20, the second catalyst 21 is preferably a solid catalyst, the upper air guide pipe 18 and the second catalyst filter net boxes 20 are correspondingly arranged, so that the gas blown out from the upper air guide pipe 18 can pass through the second catalyst 21 to perform catalytic combustion treatment, a return groove 22 is formed among the guide plate 17, the upper air guide pipe 18 and the tops of the second catalyst filter net boxes 20, a plurality of vent holes 24 are arranged in the heat conducting plate 19, an inert heat storage ring 25 is fixedly arranged in the vent holes 24, the inert heat storage ring 25 is used for storing heat and does not react with waste gas, the heat stored by the inert heat storage ring 25 is transferred to the second catalyst 21 in the second catalyst filter screen box 20 through the heat conducting plate 19, the temperature of the second catalyst 21 is increased, a plurality of lower air guide pipes 26 are correspondingly communicated below the second catalyst filter net box 20, the lower air guide pipes 26 are communicated with the hollow air gathering plate 27, an air storage cavity 28 is formed between the top of the hollow air gathering plate 27 and the heat conducting plate 19, an air outlet 29 is formed in the bottom of the hollow air gathering plate 27, a heat exchange pipe 30 is communicated with the air outlet 29, the other end of the heat exchange pipe 30 is communicated with the backflow groove 22, a first fan 31 is arranged on the heat exchange pipe 30, the flowing speed of gas is accelerated, heat dissipation is avoided, and an exhaust pipe 32 is communicated with the side wall of the catalytic combustor shell 1 located in the air storage cavity 28.
Be provided with display panel 35, first temperature detect switch 36 and second temperature detect switch 37 on the outer wall of catalytic combustor casing 1, can show the temperature value that first temperature detect switch 36 and second temperature detect switch 37 were adjusted on the display panel 35, first temperature detect switch 36 and 6 signal connection of first heating plate, second temperature detect switch 37 and 15 signal connection of second heating plate, can independently adjust the temperature, make catalyst 9 and catalyst two 21 can keep in reasonable temperature range.
Further, be provided with first temperature sensor 10 between first hot plate 5 and the first catalyst filter box 8, first temperature sensor 10 is fixed to be set up on the inner chamber lateral wall of catalytic combustor casing 1, and the temperature value accessible display panel 35 that first temperature sensor 10 detected demonstrates, and the convenience of customers knows the temperature range that catalyst 9 roughly located in to the regulation and control to first heating plate 6 refers to.
Further, be provided with second temperature sensor 23 between guide plate 17 and the heat-conducting plate 19, second temperature sensor 23 is fixed to be set up on the inner chamber lateral wall of catalytic combustor casing 1, and the temperature value accessible display panel 35 that second temperature sensor 23 detected demonstrates, and the convenient to use person knows the temperature range that catalyst two 21 roughly locate to the regulation and control to second heating plate 15 is consulted.
Furthermore, the exhaust pipe 32 is provided with a second fan 33, so that the treated gas can be rapidly discharged, and the waste gas treatment efficiency is improved.
Further, the bottom wall of the catalytic combustor casing 1 is symmetrically and fixedly provided with support bases 34, so that the catalytic combustor casing 1 can be stably placed.
Example (b): when in use, exhaust gas and air with proper proportion are respectively led into the inner cavity of the catalytic combustor shell 1 from the exhaust gas inlet pipe 2 and the air inlet pipe 3, firstly, the exhaust gas and the air are scattered and mixed by the airflow distribution plate 4, then, the working temperature of the first heating plate 6 is reasonably controlled by the first temperature control switch 36, the mixed gas is heated after passing through the first hot air groove 7 on the first heating plate 5, and then, the mixed gas passes through the first catalyst 9 in the first catalyst filter box 8, so that the catalytic combustion treatment is carried out on the mixed gas, wherein the first catalyst 9 can select a low-temperature catalyst, for example, a catalyst with proper working temperature of about 300 ℃, thereby, the first-step treatment of the exhaust gas is realized.
Then, the mixed gas passes through the ventilation pipe 12 on the heat insulation board 11, the operating temperature of the second heating plate 15 is reasonably controlled by the second temperature control switch 37, the mixed gas passes through the second hot air groove 16 on the second heating plate 14, and is heated again, the heated mixed gas is guided to the second catalyst 21 passing through the second catalyst filter screen box 20 by the upper air guiding pipe 18, the second catalyst 21 here can select a high temperature catalyst, for example, a catalyst with an appropriate operating temperature of about 600 ℃, after the waste gas reacts with the second catalyst 21, heat is generated again, the heat-generated high temperature gas enters the hollow air collecting plate 27 through the lower air guiding pipe 26, and is guided to the return flow groove 22 under the action of the heat exchange pipe 30, the high temperature gas in the return flow groove 22 passes through the vent holes 24 on the heat conduction plate 19, enters the air storage cavity 28, and is finally discharged from the air discharging pipe 32, but when the high temperature gas passes through the vent holes 24, the inert heat storage ring 25 absorbs heat and stores heat, the heat is transferred to the second catalyst 21 in the second catalyst filter net box 20 through the heat conduction plate 19, so that the temperature of the second catalyst 21 is increased, heat is effectively generated by the second catalyst, the heat supply quantity of the second heating plate 15 can be reduced, namely, the second heating plate is maintained in a low-power operation state, the energy is effectively saved, and the cost of waste gas treatment is reduced.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A dual bed catalytic burner comprising a catalytic burner housing (1), characterized in that: the top wall of the catalytic combustor shell (1) is respectively communicated with a waste gas inlet pipe (2) and an air inlet pipe (3), an air flow distribution plate (4) is fixedly arranged in the inner cavity of the catalytic combustor shell (1), a first heating plate (5) is arranged below the air flow distribution plate (4), a first heating sheet (6) is embedded in the first heating plate (5), a first hot air groove (7) is arranged on the first heating plate (5), a first catalyst filter screen box (8) is arranged below the first heating plate (5), a first catalyst (9) is filled in the first catalyst filter screen box (8), a heat insulation plate (11) is arranged below the first catalyst filter screen box (8), a ventilation pipe (12) is embedded in the heat insulation plate (11), and a one-way valve (13) is arranged in the ventilation pipe (12);
a second heating plate (14) is arranged below the heat insulation plate (11), a second heating plate (15) is embedded in the second heating plate (14), a second hot air groove (16) is formed in the second heating plate (14), guide plates (17) are arranged below the second heating plate (14), an upper air guide pipe (18) is arranged between the guide plates (17), the upper air guide pipe (18) is fixedly arranged on a heat conduction plate (19), a plurality of second catalyst filter net boxes (20) are embedded in the heat conduction plate (19), a second catalyst (21) is filled in the second catalyst filter net boxes (20), the upper air guide pipe (18) and the second catalyst filter net boxes (20) are correspondingly arranged, so that air blown out of the upper air guide pipe (18) can pass through the second catalyst (21), and a return groove (22) is formed among the guide plates (17), the upper air guide pipe (18) and the tops of the second catalyst filter net boxes (20), a plurality of vent holes (24) are formed in the heat conducting plate (19), an inert heat storage ring (25) is fixedly arranged in each vent hole (24), a plurality of lower air guide pipes (26) are correspondingly communicated below the second catalyst filter screen box (20), each lower air guide pipe (26) is communicated with the corresponding hollow air gathering plate (27), an air storage cavity (28) is formed between the top of each hollow air gathering plate (27) and the heat conducting plate (19), an air outlet hole (29) is formed in the bottom of each hollow air gathering plate (27), a heat exchange pipe (30) is communicated with each air outlet hole (29), the other end of each heat exchange pipe (30) is communicated with the corresponding backflow groove (22), a fan I (31) is arranged on each heat exchange pipe (30), and an exhaust pipe (32) is communicated with the side wall of the catalytic combustor shell (1) positioned in each air storage cavity (28);
be provided with display panel (35), first temperature detect switch (36) and second temperature detect switch (37) on the outer wall of catalytic combustor casing (1), first temperature detect switch (36) and first heating plate (6) signal connection, second temperature detect switch (37) and second heating plate (15) signal connection.
2. A dual bed catalytic combustor as claimed in claim 1, wherein: be provided with first temperature sensor (10) between first hot plate (5) and first catalyst filter screen case (8), first temperature sensor (10) are fixed to be set up on the inner chamber lateral wall of catalytic combustor casing (1).
3. A dual bed catalytic combustor as claimed in claim 1, wherein: a second temperature sensor (23) is arranged between the guide plate (17) and the heat conducting plate (19), and the second temperature sensor (23) is fixedly arranged on the side wall of the inner cavity of the catalytic combustor shell (1).
4. A dual bed catalytic combustor as claimed in claim 1, wherein: and a second fan (33) is arranged on the exhaust pipe (32).
5. A dual bed catalytic combustor as claimed in claim 1, wherein: and supporting bases (34) are symmetrically and fixedly arranged on the bottom wall of the catalytic combustor shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148292.9U CN214332751U (en) | 2021-01-20 | 2021-01-20 | Double-bed catalytic combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148292.9U CN214332751U (en) | 2021-01-20 | 2021-01-20 | Double-bed catalytic combustor |
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| Publication Number | Publication Date |
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| CN214332751U true CN214332751U (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120148292.9U Active CN214332751U (en) | 2021-01-20 | 2021-01-20 | Double-bed catalytic combustor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116603361A (en) * | 2023-07-21 | 2023-08-18 | 天津市英格环保科技有限公司 | Waste gas treatment device for traditional Chinese medicine processing |
-
2021
- 2021-01-20 CN CN202120148292.9U patent/CN214332751U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116603361A (en) * | 2023-07-21 | 2023-08-18 | 天津市英格环保科技有限公司 | Waste gas treatment device for traditional Chinese medicine processing |
| CN116603361B (en) * | 2023-07-21 | 2023-09-26 | 天津市英格环保科技有限公司 | Waste gas treatment device for traditional Chinese medicine processing |
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