CN217403045U - Microwave drying device for denitration catalyst - Google Patents
Microwave drying device for denitration catalyst Download PDFInfo
- Publication number
- CN217403045U CN217403045U CN202220411921.7U CN202220411921U CN217403045U CN 217403045 U CN217403045 U CN 217403045U CN 202220411921 U CN202220411921 U CN 202220411921U CN 217403045 U CN217403045 U CN 217403045U
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- drying
- rotating shaft
- drying box
- denitration catalyst
- microwave
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- 238000001035 drying Methods 0.000 title claims abstract description 99
- 239000003054 catalyst Substances 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000007791 dehumidification Methods 0.000 claims description 21
- 239000002274 desiccant Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses a microwave drying device for denitration catalyst, which comprises a drying oven with a sealing door on the side wall, wherein a heat preservation layer is arranged on the outer wall of the drying oven, a hollow rotating shaft is vertically arranged in the middle of the inside of the drying oven, the lower end of the rotating shaft is fixedly connected to a rotating disc at the bottom of the drying oven, and the rotating disc is connected with the power of a motor; the top of the drying box is provided with an air blower, and an air duct of the air blower is communicated with the cavity in the middle of the rotating shaft through a heater; a plurality of layers of brackets are horizontally arranged on the rotating shaft, and nozzles with upward openings on the brackets are communicated with a cavity of the rotating shaft; the inner wall of the drying box is provided with a microwave generator; the drying box is also connected with a dehumidifying mechanism. The device has high drying efficiency, good internal gas circulation and uniform heating of the catalyst, and can obviously improve the product quality.
Description
Technical Field
The utility model belongs to catalyst processing field, concretely relates to denitration catalyst microwave drying device.
Background
The existing catalyst blank body needs to be dried for multiple times, namely primary drying and secondary drying, the drying time is long, the catalyst blank body to be dried is stacked in a drying box, and dehumidification and drying treatment is carried out by heating and raising the temperature in the drying box. The catalyst is stacked in multiple layers, the internal gas circulation is poor, the catalyst is statically stacked in the drying box and is unevenly heated, the catalyst which is close to the heater outside is quickly heated, the drying time is short, the heating effect of the middle part is poor, the catalyst blank is bent due to uneven shrinkage caused by heating, the drying time is long, and the overall dehumidifying and drying effect is very unsatisfactory.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model aims to provide a microwave drying device for denitration catalyst, which has high drying efficiency, good internal gas circulation and uniform heating of the catalyst, not only can obviously improve the product quality, but also can greatly reduce the production period of the catalyst, thereby reducing the production cost;
in order to realize the purpose, the utility model discloses a technical scheme be:
a microwave drying device for denitration catalysts comprises a drying box, wherein a sealing door is arranged on the side wall of the drying box, a heat insulation layer is arranged on the outer wall of the drying box, a hollow rotating shaft is vertically arranged in the middle of the inside of the drying box, the lower end of the rotating shaft is fixedly connected to a rotating disc at the bottom of the drying box, and the rotating disc is connected with motor power; the top of the drying box is provided with an air blower, and an air duct of the air blower is communicated with the cavity in the middle of the rotating shaft through a heater; a plurality of layers of brackets are horizontally arranged on the rotating shaft, and nozzles with upward openings on the brackets are communicated with a cavity of the rotating shaft; the inner wall of the drying box is provided with a microwave generator; the drying box is also connected with a dehumidifying mechanism.
Preferably, the bracket is horizontally provided with a high temperature resistant screen.
Preferably, a temperature and humidity detector is arranged inside the drying box.
Preferably, the dehumidification mechanism includes the dehumidification jar, and the air inlet of dehumidification jar bottom passes through the aspiration pump and links to each other with the gas vent of drying cabinet below, and the gas vent at dehumidification jar top is linked together with the air inlet of drying cabinet upper end.
Preferably, a cylindrical drying net is vertically arranged inside the dehumidifying tank, and a drying agent is filled in the drying net.
Preferably, a pressure gauge and a one-way valve are installed at the air outlet of the dehumidification tank.
Preferably, a pressure relief valve is installed on the drying box.
The utility model discloses the beneficial effect who has does:
1. the utility model discloses treat that dry catalyst piece places on the bracket, rotate through the motor rolling disc, make the pivot drive the bracket and carry out at the uniform velocity rotatory, the catalyst piece is heated more evenly under microwave generator work.
2. When the rotating shaft rotates, the hot air blown out of the cavity inside the rotating shaft can be upwards sprayed to the catalyst green body through the nozzle, so that the circulation of the air inside the rotating shaft is accelerated, the evaporation of the moisture of the catalyst is promoted, the drying efficiency is obviously improved, and the drying time is shortened.
3. Through the action of the air pump, the damp and hot gas in the drying box can be guided into the dehumidifying tank from the lower part, and the drying agent in the drying net is guided into the drying box again after drying the gas, so that the rapid dehumidifying and drying of the gas are realized, the heat loss is reduced, the heat in the drying agent can be effectively utilized, and the drying machine is more energy-saving and environment-friendly.
4. Pressure gauge and check valve are installed to the gas vent department of dehumidification jar, can detect the gas pressure of dehumidification jar exhaust to adjust the work efficiency of air-bleed pump in real time, avoid the drying cabinet in high pressure, the check valve can prevent that the gas from flowing backward in the dehumidification jar simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, the utility model provides a denitration catalyst microwave drying device, be equipped with the drying cabinet 1 of sealing door including the lateral wall, 1 outer wall of drying cabinet is equipped with heat preservation 11, can effectively keep warm to drying cabinet 1. A hollow rotating shaft 5 is vertically arranged in the middle of the inside of the drying box 1, and the upper end of the rotating shaft 5 is rotatably arranged at the top in the drying box 1 through a bearing structure. An air blower 3 is arranged outside the drying box 1, and an air duct of the air blower 3 is communicated with a cavity in the middle of the rotating shaft 5 from the upper end of the rotating shaft through a heater 4 (adopting an electric heating wire structure). The air blown from the blower 3 is heated by the heater 4 and then blown downward into the cavity of the rotary shaft 5 from the upper end.
The lower end of the rotating shaft 5 is fixedly connected with a rotating disc 51 at the bottom of the drying box 1, and the rotating disc 51 is connected with the power of a motor. A plurality of layers of brackets 6 are horizontally arranged on the rotating shaft 5, a plurality of nozzles 61 with upward openings are uniformly distributed on the brackets 6, and the nozzles 61 are communicated with the cavity of the rotating shaft 5. The inner wall of the drying box 1 is provided with a microwave generator 2 which can provide microwave heating. The catalyst blocks to be dried are placed on the bracket 6 and rotate through the motor rotating disc 51, so that the rotating shaft 5 drives the bracket 6 to rotate at a constant speed, and the catalyst blocks are heated more uniformly under the work of the microwave generator 2. And when the rotating shaft 5 rotates, hot air blown out from the cavity inside the rotating shaft can be upwards sprayed to the catalyst block through the nozzle 61, so that the circulation of the air inside the rotating shaft is accelerated, the evaporation of the moisture of the catalyst is promoted, and the drying efficiency is obviously improved.
In addition, a high temperature resistant screen plate 62 is horizontally arranged above the nozzle 61 of the bracket 6, the catalyst blocks are placed on the high temperature resistant screen plate 62, and the high temperature resistant screen plate 62 plays a role in supporting and simultaneously can prevent the catalyst blocks from blocking the nozzle 61 and influencing the air flow circulation.
The drying box 1 is also connected with a dehumidifying mechanism, the dehumidifying mechanism comprises a dehumidifying tank 7, an air inlet at the bottom of the dehumidifying tank 7 is connected with an air outlet below the drying box 1 through an air pump 72, and an air outlet at the top of the dehumidifying tank 7 is communicated with an air inlet at the upper end of the drying box 1. A cylindrical drying net 71 is vertically arranged in the dehumidification tank 7, and a drying agent is filled in the drying net 71. Through the action of aspiration pump 72, can be with the gaseous dehumidification jar 7 of leading-in below of damp heat in the drying cabinet 1, by the drier in the drying grid 71 to gaseous drying after leading-in drying cabinet 1 again, realize gaseous quick dehumidification, reduce the heat and run off, can effectively utilize heat in the drier, energy-concerving and environment-protective more.
Install relief valve 12 on drying cabinet 1, can effectively prevent that pressure is too high in drying cabinet 1, cause the damage to equipment.
The inside humiture detection appearance 13 that is equipped with of drying cabinet 1 can carry out real-time detection to temperature and humidity in drying cabinet 1.
Use the utility model discloses the time, evenly place the catalyst piece of taking the drying on the high temperature resistant otter board 62 on bracket 6, start microwave generator 2 and motor, make catalyst piece even rotation be heated, under air-blower 3's effect, nozzle 61 is to catalyst piece blowout high-temperature gas, promotes the circulation of gas in the drying cabinet 1, improves drying efficiency. Meanwhile, the action of the air pump 72 leads the damp-heat gas in the drying box 1 into the drying tank 7 for dehumidification and drying and then leads the damp-heat gas into the drying box 1 again, so that heat recovery and utilization are realized, and the energy conservation and the environmental protection are realized.
Claims (7)
1. The utility model provides a denitration catalyst microwave drying device, is equipped with the drying cabinet of sealing door including the lateral wall, its characterized in that: the outer wall of the drying box is provided with a heat insulation layer, a hollow rotating shaft is vertically arranged in the middle of the inside of the drying box, the lower end of the rotating shaft is fixedly connected to a rotating disc at the bottom of the drying box, and the rotating disc is in power connection with a motor; the top of the drying box is provided with an air blower, and an air duct of the air blower is communicated with the cavity in the middle of the rotating shaft through a heater; a plurality of layers of brackets are horizontally arranged on the rotating shaft, and nozzles with upward openings on the brackets are communicated with a cavity of the rotating shaft; the inner wall of the drying box is provided with a microwave generator; the drying box is also connected with a dehumidifying mechanism.
2. The microwave drying device for denitration catalyst according to claim 1, characterized in that: and a high-temperature-resistant screen plate is horizontally arranged on the bracket.
3. The microwave drying device for denitration catalyst according to claim 1, characterized in that: and a temperature and humidity detector is arranged in the drying box.
4. The microwave drying device for denitration catalyst according to claim 1, characterized in that: the dehumidification mechanism is including the dehumidification jar, and the air inlet of dehumidification tank bottom passes through the aspiration pump and links to each other with the gas vent of drying cabinet below, and the gas vent at dehumidification tank deck portion is linked together with the air inlet of drying cabinet upper end.
5. The microwave drying device for the denitration catalyst according to claim 4, wherein: a cylindrical drying net is vertically arranged inside the dehumidifying tank, and a drying agent is filled in the drying net.
6. The microwave drying apparatus for denitration catalyst according to claim 5, characterized in that: and a pressure gauge and a one-way valve are installed at the air outlet of the dehumidification tank.
7. The microwave drying device for the denitration catalyst according to claim 6, wherein: and a pressure release valve is arranged on the drying box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220411921.7U CN217403045U (en) | 2022-02-28 | 2022-02-28 | Microwave drying device for denitration catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220411921.7U CN217403045U (en) | 2022-02-28 | 2022-02-28 | Microwave drying device for denitration catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217403045U true CN217403045U (en) | 2022-09-09 |
Family
ID=83139248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220411921.7U Active CN217403045U (en) | 2022-02-28 | 2022-02-28 | Microwave drying device for denitration catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217403045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118049831A (en) * | 2024-04-16 | 2024-05-17 | 江苏智微新材料科技有限公司 | Quick drying equipment for preparing basic copper carbonate by wet method and drying method thereof |
| CN119056171A (en) * | 2024-11-01 | 2024-12-03 | 新乡市陆铠通液压传动机械有限公司 | A filter valve group |
-
2022
- 2022-02-28 CN CN202220411921.7U patent/CN217403045U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118049831A (en) * | 2024-04-16 | 2024-05-17 | 江苏智微新材料科技有限公司 | Quick drying equipment for preparing basic copper carbonate by wet method and drying method thereof |
| CN118049831B (en) * | 2024-04-16 | 2024-07-02 | 江苏智微新材料科技有限公司 | Quick drying equipment for preparing basic copper carbonate by wet method and drying method thereof |
| CN119056171A (en) * | 2024-11-01 | 2024-12-03 | 新乡市陆铠通液压传动机械有限公司 | A filter valve group |
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