CN215842505U - Denitration device for rare earth catalyst production - Google Patents
Denitration device for rare earth catalyst production Download PDFInfo
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- CN215842505U CN215842505U CN202122339410.7U CN202122339410U CN215842505U CN 215842505 U CN215842505 U CN 215842505U CN 202122339410 U CN202122339410 U CN 202122339410U CN 215842505 U CN215842505 U CN 215842505U
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- denitration
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- earth catalyst
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model relates to the technical field of rare earth catalysts, and particularly relates to a denitration device for producing a rare earth catalyst. The denitration device for rare earth catalyst production comprises: the K4 kiln is connected with a heat exchanger, the heat exchanger is connected with a temperature sensor, the temperature sensor is connected with a denitration module, the denitration module is connected with a K3 waste heat recovery device, and the K3 waste heat recovery device is connected with a chimney; the temperature sensor is connected with the PLC, and the PLC is connected with the K4 kiln. The utility model provides a denitration device for rare earth catalyst production, which meets the requirements of a production line, does not need to install large equipment, enables tail gas to reach the standard and be discharged, recycles energy and meets the aim of environmental protection of sustainable development.
Description
Technical Field
The utility model relates to the technical field of rare earth catalysts, and particularly relates to a denitration device for producing a rare earth catalyst.
Background
The catalytic action of rare earth oxides has attracted attention for a long time, and the catalytic performance of rare earth oxides is gradually widely applied to the treatment of automobile exhaust due to paramagnetism, lattice oxygen transfer, cation variable valence and surface alkalinity. At present, the application of rare earth in automobile exhaust purification is mainly to add cerium and zirconium into a catalyst to improve the performance of the catalyst. In the production of rare earth catalysis, basic waste gas such as nitric oxide, carbon monoxide and the like is mixed in high-temperature flue gas, the generated amount is not large, a denitration device applied in the market occupies a large area, the treatment amount is not consistent with the production line of the rare earth catalyst, special treatment on nitric oxide and carbon monoxide is not involved in the earliest production of the rare earth catalyst, and waste gas treatment is performed as dust removal, so that certain pollution is caused to the environment to a certain extent, and the emission standard in the corresponding industry is provided along with the increase of environmental protection, so that for the development of the environmental protection industry, the production needs technical improvement of a set of targeted denitration module, and the characteristics of low emission concentration and standard emission in the industry are met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a denitration device for producing a rare earth catalyst, which meets the requirements of a production line, does not need to install large equipment, enables tail gas to reach the emission standard, recycles energy and meets the aim of environmental protection of sustainable development.
The utility model discloses a denitration device for rare earth catalyst production, which comprises the following components in part by weight: the K4 kiln is connected with a heat exchanger, the heat exchanger is connected with a temperature sensor, the temperature sensor is connected with a denitration module, the denitration module is connected with a K waste heat recovery device, and the K3 waste heat recovery device is connected with a chimney;
the temperature sensor is connected with the PLC, and the PLC is connected with the K4 kiln.
And a heat exchange fan is arranged on the connecting pipe of the PLC and the K4 kiln.
An online monitoring device is arranged between the K3 waste heat recovery device and the chimney.
K3 waste heat recovery device is connected with on-line monitoring equipment, and on-line monitoring equipment is connected with denitration module's import department.
The K3 waste heat recovery device is provided with an access hole and a steam hole, and two ends of the K3 waste heat recovery device are provided with drain holes.
A fan is arranged between the K3 waste heat recovery device and the online monitoring equipment.
The denitration module is provided with a top end cover, and the denitration catalyst module and the CO removal catalyst module are arranged inside the denitration module.
The top end cover is provided with a top flange.
The denitration device for producing the rare earth catalyst of the utility model exchanges air in the flue gas from the kiln through the heat exchanger, the outlet of the heat exchanger is provided with the temperature sensor, then the redundant heat is brought back to the kiln after passing through the PLC and the fan, so that the energy consumption is reduced, meanwhile, after passing through the temperature sensor, the air passes through a heat exchanger fan which is a variable frequency fan, can bring the flue gas of suitable temperature into denitrification facility, be fit for taking off the round pin and taking off carbon monoxide, flue gas behind denitrification facility, connecting waste heat recovery device, utilize waste heat recovery device, the flue gas after taking off the round pin with high temperature carries out heat recovery, produce steam, recycle, waste gas gets into on-line monitoring equipment behind the fan, the flue gas after the processing that will not reach standard can continue to introduce denitrification facility, continue to take off the round pin, the flue gas after the processing of up to standard gets into the atmosphere of emission behind the chimney.
Compared with the prior art, the beneficial effect is that:
(1) the denitration device for producing the rare earth catalyst is ingenious in design, completely meets the production requirement of the rare earth catalyst, has a good waste gas treatment effect, and can discharge the waste gas after reaching the standard;
(2) the denitration device for producing the rare earth catalyst saves energy and has high recovery rate;
(3) the denitration device for producing the rare earth catalyst is simple and convenient to operate, high in automation degree and suitable for popularization of the rare earth catalyst industry.
Drawings
Fig. 1 is a schematic structural view of a denitration module for rare earth catalyst production according to the present invention;
fig. 2 is a schematic view of a catalyst housing structure of a denitration module for rare earth catalyst production according to the present invention;
fig. 3 is a catalyst module axial view of a denitration module for rare earth catalyst production according to the present invention;
fig. 4 is a schematic view of a top end cap of a catalyst housing of a denitration module for rare earth catalyst production according to the present invention;
in the figure: 1. a K4 kiln; 2. a heat exchanger; 3. a temperature sensor; 4. a PLC; 5. a heat exchange fan; 6. a denitration module; 7. a drain port; 8. an access hole; 9. k3 waste heat recovery device; 10. a steam port; 11. a fan; 12. a chimney; 13. an online monitoring device; 14. a top end cap; 15. a denitration catalyst module; 16. a CO removal catalyst module; 17. a top flange.
Detailed Description
The continuous discharging device of the vibrating screen according to the disclosure is specifically described below with reference to the accompanying drawings.
According to an embodiment of the present disclosure, as shown in fig. 1, there is provided a denitration apparatus for producing a rare earth catalyst according to the present invention: the K4 kiln 1 is connected with a heat exchanger 2, the heat exchanger 2 is connected with a temperature sensor 3, the temperature sensor 3 is connected with a denitration module 6, the denitration module 6 is connected with a K3 waste heat recovery device 9, and the K3 waste heat recovery device 9 is connected with a chimney 12;
the temperature sensor 3 is connected with a PLC4, and a PLC4 is connected with a K4 kiln 1.
The connecting pipe between the PLC4 and the K4 kiln 1 is provided with a heat exchange fan 5.
The K3 waste heat recovery device 9) and the chimney 12 are provided with an online monitoring device 13.
K3 waste heat recovery device 9 is connected with on-line monitoring equipment 13, and on-line monitoring equipment 13 is connected with denitration module 6's import department.
The K3 waste heat recovery device 9 is provided with an access hole 8 and a steam hole 10, and two ends are provided with drain holes 7.
A fan 11 is arranged between the K3 waste heat recovery device 9 and the online monitoring equipment 13.
The denitration module 6 is provided with a top end cover 14, and a denitration catalyst module 15 and a CO removal catalyst module 16 are arranged in the denitration module.
The top end cap 14 is provided with a top flange 17.
The denitration device for producing the rare earth catalyst of the utility model exchanges air in the flue gas from the kiln through the heat exchanger, the outlet of the heat exchanger is provided with the temperature sensor, then the redundant heat is brought back to the kiln after passing through the PLC and the fan, so that the energy consumption is reduced, meanwhile, after passing through the temperature sensor, the air passes through a heat exchanger fan which is a variable frequency fan, can bring the flue gas of suitable temperature into denitrification facility, be fit for taking off the round pin and taking off carbon monoxide, flue gas behind denitrification facility, connecting waste heat recovery device, utilize waste heat recovery device, the flue gas after taking off the round pin with high temperature carries out heat recovery, produce steam, recycle, waste gas gets into on-line monitoring equipment behind the fan, the flue gas after the processing that will not reach standard can continue to introduce denitrification facility, continue to take off the round pin, the flue gas after the processing of up to standard gets into the atmosphere of emission behind the chimney.
The catalyst modules were arranged in 25 × 25 cells/block with a vent area of 1.35 × 1.2 × 0.55 to 0.89m3The weight of the utility model is 450 kg.
The top end cover of the catalyst module on the pin removal module is made of angle steel, and is firm and durable. After the pin removal device, the heat exchanger and the waste heat recovery device are integrated, the saving of electric energy and heat energy is greatly improved, and the device is environment-friendly.
Compared with the prior art, the beneficial effect is that: the denitration device for producing the rare earth catalyst is ingenious in design, completely meets the production requirement of the rare earth catalyst, has a good waste gas treatment effect, and can discharge the waste gas after reaching the standard;
the denitration device for producing the rare earth catalyst saves energy and has high recovery rate;
the denitration device for producing the rare earth catalyst is simple and convenient to operate, high in automation degree and suitable for popularization of the rare earth catalyst industry.
Of course, the foregoing is only a preferred embodiment of the utility model and should not be taken as limiting the scope of the embodiments of the utility model. The present invention is not limited to the above-mentioned embodiments, and equivalent changes and modifications made by those skilled in the art within the spirit and scope of the present invention should be covered by the appended claims.
Claims (8)
1. The utility model provides a denitrification facility is used in rare earth catalyst production which characterized in that: the K4 kiln (1) is connected with the heat exchanger (2), the heat exchanger (2) is connected with the temperature sensor (3), the temperature sensor (3) is connected with the denitration module (6), the denitration module (6) is connected with the K3 waste heat recovery device (9), and the K3 waste heat recovery device (9) is connected with the chimney (12);
the temperature sensor (3) is connected with the PLC (4), and the PLC (4) is connected with the K4 kiln (1).
2. The denitration device for rare earth catalyst production according to claim 1, characterized in that: a heat exchange fan (5) is arranged on a connecting pipe between the PLC (4) and the K4 kiln (1).
3. The denitration device for rare earth catalyst production according to claim 1, characterized in that: an online monitoring device (13) is arranged between the K3 waste heat recovery device (9) and the chimney (12).
4. The denitration device for rare earth catalyst production according to claim 1, characterized in that: the K3 waste heat recovery device (9) is connected with the on-line monitoring equipment (13), and the on-line monitoring equipment (13) is connected with the inlet of the denitration module (6).
5. The denitration device for rare earth catalyst production according to claim 1, characterized in that: the K3 waste heat recovery device (9) is provided with an access hole (8) and a steam hole (10), and two ends of the K3 waste heat recovery device are provided with drain holes (7).
6. The denitration device for rare earth catalyst production according to claim 1, characterized in that: a fan (11) is arranged between the K3 waste heat recovery device (9) and the on-line monitoring equipment (13).
7. The denitration device for rare earth catalyst production according to claim 1, characterized in that: a top end cover (14) is arranged on the denitration module (6), and a denitration catalyst module (15) and a CO removal catalyst module (16) are arranged in the denitration module.
8. The denitration device for rare earth catalyst production according to claim 7, characterized in that: the top end cover (14) is provided with a top flange (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122339410.7U CN215842505U (en) | 2021-09-26 | 2021-09-26 | Denitration device for rare earth catalyst production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122339410.7U CN215842505U (en) | 2021-09-26 | 2021-09-26 | Denitration device for rare earth catalyst production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215842505U true CN215842505U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122339410.7U Active CN215842505U (en) | 2021-09-26 | 2021-09-26 | Denitration device for rare earth catalyst production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215842505U (en) |
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2021
- 2021-09-26 CN CN202122339410.7U patent/CN215842505U/en active Active
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