CN220472328U - Rotary furnace waste heat recovery device for molybdenum oxide production - Google Patents
Rotary furnace waste heat recovery device for molybdenum oxide production Download PDFInfo
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- CN220472328U CN220472328U CN202321660795.XU CN202321660795U CN220472328U CN 220472328 U CN220472328 U CN 220472328U CN 202321660795 U CN202321660795 U CN 202321660795U CN 220472328 U CN220472328 U CN 220472328U
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- heat exchange
- storehouse
- rotary furnace
- heat transfer
- heat
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- 229910000476 molybdenum oxide Inorganic materials 0.000 title claims abstract description 18
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000002918 waste heat Substances 0.000 title claims abstract description 17
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 29
- 238000012546 transfer Methods 0.000 claims description 31
- 239000000428 dust Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
- 238000009529 body temperature measurement Methods 0.000 description 6
- 239000012141 concentrate Substances 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 6
- 239000011733 molybdenum Substances 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a rotary furnace waste heat recovery device for molybdenum oxide production, which comprises a rotary furnace body, wherein the air outlet end of the rotary furnace body is connected with a first heat exchange bin, a fresh air heat exchange component is arranged in the first heat exchange bin, one end of the fresh air heat exchange component is communicated with a fresh air pipeline, the other end of the fresh air heat exchange component is communicated with a combustion chamber, and a heat exchange bushing is arranged on the inner wall of the first heat exchange bin.
Description
Technical Field
The utility model relates to the technical field of molybdenum oxide production, in particular to a rotary furnace waste heat recovery device for molybdenum oxide production.
Background
In the molybdenum oxide processing and production process, the rotary kiln is one of the most important core equipment, the blended molybdenum concentrate materials can be subjected to carbonless baking in the rotary kiln, molybdenum oxide finished products are discharged, a flash dryer and an internal heating rotary kiln are commonly adopted in the molybdenum concentrate baking, the molybdenum concentrate is added into the flash dryer through a feeder, the flash dryer is provided with an independent heat source, and an indirect heat exchange hot blast furnace is generally adopted to provide heat energy required by drying.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a rotary furnace waste heat recovery device for molybdenum oxide production, and solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a rotary furnace waste heat recovery device for molybdenum oxide production, includes the rotary furnace body, the air-out end of rotary furnace body is connected with first heat transfer storehouse, be provided with new trend heat exchange component in the first heat transfer storehouse, new trend heat exchange component's one end is linked together with the new trend pipeline, the other end is linked together with the combustion chamber, first heat transfer storehouse inner wall is provided with the heat exchange lining, be the jacket structure between heat exchange lining and the first heat transfer storehouse lateral wall, the jacket structure is linked together with water-cooling heat exchange component, first heat transfer storehouse one side is connected with two combustion chambers, the exhaust end of two combustion chambers is provided with the second heat transfer storehouse, the second heat transfer storehouse is the same with first heat transfer storehouse structure, the air-out end of second heat transfer storehouse is connected with dust removal filtration storehouse, dust removal filtration storehouse one end is installed negative pressure fan, the air-out end of negative pressure fan is linked together with the heating pipeline of adding the storehouse, feeding storehouse one side is connected with the subassembly of airing exhaust, subassembly one end is linked together with the exhaust pipe.
The feeding bin adopts a sandwich structure, and one end of the heat supply pipeline is communicated with the sandwich structure of the feeding bin.
Above-mentioned new trend heat exchange assembly includes heat exchange coil, flow control valve and temperature measurement module, heat exchange coil sets up in first heat exchange storehouse, flow control valve and temperature measurement module set up in heat exchange coil's air-out end one side, heat exchange coil's air-out end is linked together with the air-supply line of combustion chamber, heat exchange coil's air-supply end is linked together with the new trend pipeline.
The water-cooling heat exchange assembly comprises a water sump and a booster pump, wherein the booster pump is arranged on the upper portion of the water sump, the liquid inlet end of the booster pump extends into the water sump, the liquid outlet end of the booster pump is communicated with the lower portion of a jacket structure, and the upper portion of the jacket structure is communicated with a boiler water supply pipeline through a water return pipe.
The dust removal filter bin includes, but is not limited to, one of a bag house dust collector or a cartridge dust collector.
Above-mentioned exhaust subassembly includes butterfly valve and centrifugal fan, the butterfly valve sets up on the sandwich structure exhaust pipeline of adding the feed bin, centrifugal fan sets up in butterfly valve one side and air-out end and exhaust pipe are linked together.
Advantageous effects
The utility model provides a rotary furnace waste heat recovery device for molybdenum oxide production. The beneficial effects are as follows: this a rotary furnace waste heat recovery device for molybdenum oxide production is provided with first heat exchange storehouse at the air-out end of rotary furnace body, through the cooperation of new trend heat exchange component and water-cooling heat exchange component, heat in the tail gas smoke and dust is displaced, the high temperature new trend after the heat transfer is injected into the combustion chamber, can realize fully retrieving waste heat, effectively improve the combustion efficiency in the combustion chamber, reduce heat source coal consumption, the tail gas after preliminary heat transfer enters into the secondary combustion chamber and carries out secondary combustion, combustible part in the tail gas burns again, reduce the follow-up emission degree of difficulty, the tail gas after secondary combustion is after the heat transfer again in second heat exchange storehouse, the tail gas after the cooling is further let in the material adding bin, heat is raised to the molybdenum concentrate, promote the initial temperature of material, thereby further reduce heat source energy consumption.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a rotary furnace waste heat recovery device for molybdenum oxide production according to the present utility model.
In the figure: 1. a rotary kiln body; 2. a first heat exchange bin; 3. a fresh air pipeline; 4. a combustion chamber; 5. a heat exchange liner; 6. a secondary combustion chamber; 7. the second heat exchange bin; 8. a dust removal filtering bin; 9. a negative pressure fan; 10. a feeding bin; 11. a smoke exhaust duct; 12. a heat exchange coil; 13. a flow regulating valve; 14. a temperature measurement module; 15. a booster pump; 16. butterfly valve; 17. and (5) a centrifugal fan.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
All electric components in the scheme are connected with an adaptive power supply through wires by a person skilled in the art, and an appropriate controller is selected according to actual conditions so as to meet control requirements, specific connection and control sequences, and the electric connection is completed by referring to the following working principles in the working sequence among the electric components, wherein the detailed connection means are known in the art, and the following main description of the working principles and processes is omitted from the description of electric control.
Examples: as can be seen from fig. 1 of the specification, the scheme reforms the air outlet end of the rotary furnace body 1, a first heat exchange bin 2 is connected to the air outlet end, a fresh air heat exchange component is arranged in the first heat exchange bin 2, one end of the fresh air heat exchange component is communicated with a fresh air pipeline 3, the other end of the fresh air heat exchange component is communicated with a combustion chamber 4, a heat exchange liner 5 is arranged on the inner wall of the first heat exchange bin 2, a jacket structure is arranged between the heat exchange liner 5 and the side wall of the first heat exchange bin 2, the jacket structure is communicated with a water-cooling heat exchange component, a secondary combustion chamber 6 is connected to one side of the first heat exchange bin 2, an air exhaust end of the secondary combustion chamber 6 is provided with a second heat exchange bin 7, the second heat exchange bin 7 is identical to the first heat exchange bin 2 in structure, the air outlet end of the second heat exchange bin 7 is connected with a dust removal filter bin 8, one end of the dust removal filter bin 8 is provided with a negative pressure fan 9, the air outlet end of the negative pressure fan 9 is communicated with a heat supply pipeline of a charging bin 10, the feeding bin 10 one side is connected with exhaust assembly, exhaust assembly one end is linked together with exhaust pipe 11, through the cooperation of new trend heat transfer subassembly and water-cooling heat transfer subassembly, heat in the tail gas smoke and dust is displaced, high temperature new trend after the heat transfer is poured into in the combustion chamber 4, can realize fully retrieving waste heat, effectively improve the combustion efficiency in the combustion chamber 4, reduce heat source coal consumption, the tail gas after preliminary heat transfer enters into in the secondary combustion chamber 6 and carries out secondary combustion, the combustible part in the tail gas burns once more, reduce the follow-up emission degree of difficulty, the tail gas after secondary combustion is through the heat transfer of second heat transfer bin 7 back again, the heat is absorbed again, the tail gas after the cooling is further let in feeding bin 10, heat is raised to the molybdenum concentrate, promote the initial temperature of material, thereby further reduce heat source energy consumption.
In the concrete implementation process, as the preferred setting, the above-mentioned adding bin 10 adopts sandwich structure, heat supply pipeline one end is linked together with the sandwich structure of adding bin 10, exhaust subassembly includes butterfly valve 16 and centrifugal fan 17, butterfly valve 16 sets up on the sandwich structure exhaust pipeline of adding bin 10, centrifugal fan 17 sets up in butterfly valve 16 one side and the air-out end is linked together with exhaust pipe 11, the tail gas after the heat transfer cooling still has certain temperature, consequently, utilize centrifugal fan 17 to further let in the adding bin 10 with the tail gas after the cooling in, heat up the molybdenum concentrate, promote the initial temperature of material, reduce the required energy consumption of heat source heating.
In the concrete implementation process, as the preferred setting, above-mentioned new trend heat exchange component includes heat exchange coil 12, flow control valve 13 and temperature measurement module 14, heat exchange coil 12 sets up in first heat exchange storehouse 2, flow control valve 13 and temperature measurement module 14 set up in heat exchange coil 12's air-out end one side, heat exchange coil 12's air-out end is linked together with the air-supply line of combustion chamber 4, heat exchange coil 12's air-in end is linked together with new trend pipeline 3, during the use, new trend pipeline 3 is introduced outside air in heat exchange coil 12 and carries out heat transfer with the tail gas in the heat exchange storehouse, the high temperature new trend after the heat transfer is further supplied to in the combustion chamber 4, use as high Wen Qiyuan, can effectively improve combustion efficiency, temperature measurement module 14 and flow control valve 13 cooperation simultaneously, can effectively adjust the gas velocity of flow, guarantee the heat transfer effect.
In the concrete implementation process, as the preferred setting, above-mentioned water-cooling heat exchange assembly includes sump and booster pump 15, booster pump 15 sets up in sump upper portion and the feed liquor end stretches into in the sump, booster pump 15's flowing back end is linked together with jacket structure lower part, jacket structure upper portion is linked together with boiler water supply line through the wet return, take out the low temperature water body in the sump through booster pump 15 to in the injection jacket structure, thereby replace out partial heat, when cooling down to the tail gas, the temperature rises, high Wen Shuiti can supply with the boiler and use.
In a specific implementation process, as a preferable arrangement, the dust removing and filtering bin 8 includes, but is not limited to, one of a bag-type dust remover or a cartridge dust remover, and filters and intercepts dust particles in the tail gas.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a rotary furnace waste heat recovery device for molybdenum oxide production, includes the rotary furnace body, its characterized in that, the air-out end of rotary furnace body is connected with first heat transfer storehouse, be provided with new trend heat exchange component in the first heat transfer storehouse, new trend heat exchange component's one end is linked together with the new trend pipeline, the other end is linked together with the combustion chamber, first heat transfer storehouse inner wall is provided with the heat exchange lining, for jacket structure between heat exchange lining and the first heat transfer storehouse lateral wall, jacket structure is linked together with water-cooling heat exchange component, first heat transfer storehouse one side is connected with the second combustion chamber, the exhaust end of second combustion chamber is provided with the second heat transfer storehouse, the second heat transfer storehouse is the same with first heat transfer storehouse structure, the air-out end of second heat transfer storehouse is connected with dust removal filtration storehouse, dust removal filtration storehouse one end is installed negative pressure fan, the air-out end of negative pressure fan is linked together with the heating pipeline of adding the storehouse, it is connected with the subassembly to add material storehouse one side, exhaust subassembly one end is linked together with the exhaust flue.
2. The rotary furnace waste heat recovery device for molybdenum oxide production according to claim 1, wherein the feeding bin adopts a sandwich structure, and one end of the heat supply pipeline is communicated with the sandwich structure of the feeding bin.
3. The rotary furnace waste heat recovery device for molybdenum oxide production according to claim 1, wherein the fresh air heat exchange assembly comprises a heat exchange coil, a flow regulating valve and a temperature measuring module, the heat exchange coil is arranged in the first heat exchange bin, the flow regulating valve and the temperature measuring module are arranged on one side of an air outlet end of the heat exchange coil, the air outlet end of the heat exchange coil is communicated with an air inlet pipeline of the combustion chamber, and the air inlet end of the heat exchange coil is communicated with the fresh air pipeline.
4. The rotary furnace waste heat recovery device for molybdenum oxide production according to claim 1, wherein the water-cooling heat exchange assembly comprises a water sump and a booster pump, the booster pump is arranged on the upper portion of the water sump, the liquid inlet end of the booster pump extends into the water sump, the liquid outlet end of the booster pump is communicated with the lower portion of a jacket structure, and the upper portion of the jacket structure is communicated with a boiler water supply pipeline through a water return pipe.
5. A rotary kiln waste heat recovery device for molybdenum oxide production according to claim 1, wherein the dust removal filter cartridge comprises one of, but not limited to, a bag house dust remover or a cartridge dust remover.
6. The rotary furnace waste heat recovery device for molybdenum oxide production according to claim 2, wherein the exhaust assembly comprises a butterfly valve and a centrifugal fan, the butterfly valve is arranged on a sandwich exhaust pipeline of the feeding bin, and the centrifugal fan is arranged on one side of the butterfly valve and the air outlet end is communicated with the exhaust pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660795.XU CN220472328U (en) | 2023-06-28 | 2023-06-28 | Rotary furnace waste heat recovery device for molybdenum oxide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321660795.XU CN220472328U (en) | 2023-06-28 | 2023-06-28 | Rotary furnace waste heat recovery device for molybdenum oxide production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220472328U true CN220472328U (en) | 2024-02-09 |
Family
ID=89777284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321660795.XU Active CN220472328U (en) | 2023-06-28 | 2023-06-28 | Rotary furnace waste heat recovery device for molybdenum oxide production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220472328U (en) |
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2023
- 2023-06-28 CN CN202321660795.XU patent/CN220472328U/en active Active
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