CN217311954U - Multi-collector structure for preparing superfine powder material by gas phase method - Google Patents
Multi-collector structure for preparing superfine powder material by gas phase method Download PDFInfo
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- CN217311954U CN217311954U CN202220993759.4U CN202220993759U CN217311954U CN 217311954 U CN217311954 U CN 217311954U CN 202220993759 U CN202220993759 U CN 202220993759U CN 217311954 U CN217311954 U CN 217311954U
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- superfine powder
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- 239000000843 powder Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 title claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 54
- 239000007787 solid Substances 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims abstract description 3
- 238000007664 blowing Methods 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 11
- 238000002360 preparation method Methods 0.000 abstract description 9
- 239000008187 granular material Substances 0.000 abstract description 5
- 239000007792 gaseous phase Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 238000001704 evaporation Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 6
- 239000012159 carrier gas Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000012010 growth Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004093 laser heating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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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
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Abstract
The utility model relates to a gaseous phase method preparation superfine powder material is with many collectors structure for be connected with superfine powder particle former rear end, superfine powder particle former front end is connected with the high temperature evaporator, many collectors are two at least, collector upper portion is provided with pulse blowback dust removal structure and gas vent, and inside is provided with the gas-solid separator, and the lower part is provided with row's powder mouth. The utility model discloses pulse blowback operation in the collector does not cause the particle forming process of front end that temperature field changes and speed field changes, through stabilizing the particle forming process to it is even to reach particle shaping back granule, better reduction the special-shaped body and the emergence of super large granule, has improved the quality of superfine powder, has reduced the cost of preparation superfine powder, has promoted the usage space of superfine powder.
Description
Technical Field
The utility model belongs to the technical field of superfine powder preparation, in particular to a multi-collector structure for preparing superfine powder material by a gas phase method.
Background
When the superfine powder material is prepared by a vapor phase method, one method is an evaporation and condensation method, namely, the required preparation material is heated and evaporated, and then is subjected to nucleation, growth, solidification and cooling collection, and the other method is an atomization method, namely, the required preparation material is atomized, then is subjected to growth and solidification, and then is cooled and collected. The processes are realized by a plurality of methods, including electric explosion evaporation, plasma heating evaporation, resistance heating evaporation, medium-high frequency heating evaporation, laser heating evaporation and the like, and various methods can prepare corresponding superfine powder particles.
However, when the powder is applied, the practical application of the powder material is greatly influenced because of the non-uniformity of the powder particles or the existence of a small amount of abnormal bodies or super-large particles in the powder material. For the uniformity of powder particles, or reducing irregular bodies or oversized particles, some solutions are to improve the particle forming structure, some solutions are to classify and sort the particles after forming, the method for improving the particle forming structure is more complicated and is not easy to control, because the particle forming speed is high, and the temperature in the forming process is higher (above the melting point); the subsequent classification and sorting process is complicated, the problem is not solved from the source for subsequent treatment, the process is more and more wasted, and the classification and sorting technology of the superfine powder is not very effective for the unevenness, the abnormal body and the large particle in the superfine powder.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem in the background art, provide a gaseous phase method preparation superfine powder material is with many collectors structure, through the design of many collectors structure, solve the circulation production in-process, the influence of unstable factor to particle forming process to solve the problem that the powder particle is inhomogeneous, the abnormal shape body and super large granule appear in the source.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a multi-collector structure for preparing superfine powder materials by a gas phase method is used for being connected with the rear end of a superfine powder particle former, at least two multi-collectors are arranged, a liquid cooling jacket is arranged on a collector shell, an air inlet is arranged between each collector and the particle former, a pulse back-blowing dust removal structure and an air outlet are arranged on the upper portion of each collector, a gas-solid separator is arranged inside each collector, and a powder discharge port is arranged on the lower portion of each collector.
Further, the ratio of the collector volume to the collector gas inlet cross-sectional area is greater than 5 (unit: meter).
Furthermore, an air inlet valve structure is arranged between each collector and the particle former, and is used for closing a channel between the collector and the particle former when the collector performs pulse back blowing operation, so that the back blowing air is prevented from flowing into the particle former and reversely stamping.
Furthermore, an exhaust port valve structure is arranged on an exhaust port of each collector, and is used for closing a channel between the collector and a subsequent structure when the collector is subjected to pulse back blowing operation, so that unstable pressure in the subsequent structure caused by punching when back blowing flows into the subsequent structure is prevented.
Furthermore, each collector air outlet is provided with an air release valve for releasing pressure during pulse back blowing operation of the collector.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses pulse blowback operation in the collector does not cause the particle forming process of front end that the temperature field changes and the speed field changes, through stabilizing the particle forming process to it is even to reach particle shaping back granule, better reduction the special-shaped body and the emergence of super large granule, has improved the quality of superfine powder, has reduced the cost of preparation superfine powder, has promoted the usage space of superfine powder.
Drawings
Fig. 1 is a schematic side view of an embodiment of the present invention.
Fig. 2 is a schematic top view of an embodiment of the present invention.
Fig. 3 is a schematic view of the embodiment of the present invention from two sides.
Fig. 4 is a schematic top view of the second embodiment of the present invention.
In the figure: 1. the device comprises a high-temperature generator, 2, a feeding device, 3, a heating device, 4, a particle former, 5, a powder discharge port, 6-1, a direction-changing material distributing pipe, 6-2, a direction-changing material distributing tank, 7, a pulse back-blowing structure, 8, an exhaust port, 9, an exhaust port valve structure, 10, a gas-solid separator, 11, a collector, 12, an air inlet valve structure, 13 and an air release valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, which, although clearly and completely described, are intended to illustrate only some, but not all, embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and fig. 2, a multi-collector structure for preparing ultrafine powder material by a gas phase method comprises a high temperature evaporator 1 for heating and evaporating the required preparation material, an ultrafine powder elbow type particle former 4, two collectors 11, a heating device 3, a feeding device 2 and a carrier gas input device arranged in the high temperature evaporator 1; the front end of the superfine powder elbow type particle former 4 is connected with the high-temperature evaporator 1, the rear end is connected with the two collectors 11 through the diversion material distribution pipe 6-1, an inner pipeline for carrying current gas to carry steam or/and powder to pass through is arranged in the superfine powder elbow type particle former, and the powder enters the subsequent collectors 11 after being formed in the superfine powder former.
The upper part of the collector is provided with a pulse back-blowing structure 7 and an exhaust port 8, the inside of the collector is provided with a gas-solid separator 10, the lower part of the collector is provided with a powder discharge port 5, powder particles enter the collection structure and are subjected to gas-solid separation, gas is discharged from the exhaust port 8 of the collection structure, and the powder particles are stripped from the gas-solid separator through pulse back-blowing and then are discharged from the powder discharge port 5 of the collector.
The collectors have two volumes, each volume is 0.985 cubic meter, the cross section of each air inlet of the collector is a circle with the inner diameter of 0.5 meter (the cross section area is 0.196 square meter), when pulse back blowing operation is carried out, the collectors operate in turn, when one collector carries out the pulse back blowing operation, the other collector does not carry out the back blowing operation, so that the carrier gas can stably pass through the particle former, and a stable temperature field and a stable speed field are provided for the particle forming process. An air inlet valve structure 12 is arranged between each collector and the particle former, and is used for closing a channel between the collector and the particle former when the collector performs pulse back blowing operation, so that the back blowing air is prevented from flowing into the particle former and reversely stamping. An air outlet valve structure 9 is arranged on an air outlet of each collector and used for closing a channel between the collector and a subsequent structure of the collector when the collector is subjected to pulse back blowing operation to prevent unstable pressure in the subsequent structure caused by stamping of the back blowing air flowing into the subsequent structure, and an air release valve 13 is arranged at the air outlet of each collector and used for releasing pressure in the collector when the collector is subjected to pulse back blowing operation.
The second embodiment:
as shown in fig. 3 and 4, a multi-collector structure for preparing ultrafine powder material by a gas phase method comprises a high temperature evaporator 1 for heating and evaporating the required preparation material, a pot type particle former 4 for ultrafine powder, two collectors 11, a heating device 3, a feeding device 2, and a carrier gas input device arranged in the high temperature evaporator 1; the front end of the superfine powder tank type particle former 4 is connected with the high-temperature evaporator 1, the rear end is connected with the two collectors 11 through the turning material distributing tank 6-2, an inner pipeline for carrying current gas to carry steam or/and powder to pass through is arranged in the superfine powder tank type particle former, and the powder enters the subsequent collectors after being formed in the superfine powder tank type particle former.
The front part of the tank-type particle former 4 is a pipeline, the rear part is a cooling tank body, and the inside can be rapidly cooled by cooling fluid to the internal carrier gas and powder.
The upper part of the collector 11 is provided with a pulse back-blowing structure 7 and an exhaust port 8, the inside is provided with a gas-solid separator 10, the lower part is provided with a powder discharge port 5, powder particles enter the collection structure and are subjected to gas-solid separation, gas is discharged from the exhaust port 8 of the collection structure, and the powder particles are stripped from the gas-solid separator through pulse back-blowing and then are discharged from the powder discharge port 5 of the collector.
The collector has two collectors, each of which has a volume of 2.5 cubic meters, the cross section of each air inlet of the collector is circular with an inner diameter of 0.2 meter (the cross section area is 0.03 square meter), and the collectors are operated alternately during pulse back blowing operation, and when one collector is subjected to pulse back blowing operation, the other collector is not subjected to back blowing operation, so that the carrier gas can stably pass through the particle former, and a stable temperature field and a stable speed field are provided for the particle forming process. An air inlet valve structure 12 is arranged between each collector and the particle former and used for closing a channel between the collector and the particle former when the collector performs pulse back blowing operation so as to prevent the back blowing air from flowing into the particle former and reversely stamping. An air outlet valve structure 9 is arranged on an air outlet of each collector and used for closing a channel between the collector and a subsequent structure of the collector when the collector is subjected to pulse back blowing operation to prevent unstable pressure in the subsequent structure caused by stamping of the back blowing air flowing into the subsequent structure, and an air release valve 13 is arranged at the air outlet of each collector and used for releasing pressure in the collector when the collector is subjected to pulse back blowing operation.
Claims (5)
1. A multi-collector structure for preparing superfine powder material by a gas phase method is used for being connected with the rear end of a superfine powder particle former, and is characterized in that: the device comprises a collector shell, a plurality of collectors and a particle former, wherein the number of the collectors is at least two, the collector shell is provided with a liquid cooling jacket, an air inlet is arranged between each collector and the particle former, the upper part of each collector is provided with a pulse back-blowing dust removal structure and an air outlet, the collector is internally provided with a gas-solid separator, and the lower part of the collector is provided with a powder discharge port.
2. The multi-collector structure for preparing ultrafine powder material by gas phase method according to claim 1, wherein: the ratio of the collector volume to the collector gas inlet cross-sectional area is greater than 5.
3. The multi-collector structure for preparing ultrafine powder material by gas phase method according to claim 1, wherein: an air inlet valve structure is arranged between each collector and the particle former and used for closing a channel between the collector and the particle former when the collector performs pulse back blowing operation so as to prevent the back blowing air from flowing into the particle former and reversely stamping.
4. The multi-collector structure for preparing ultrafine powder material by gas phase method according to claim 1, wherein: an exhaust port valve structure is arranged on an exhaust port of each collector, and is used for closing a channel between the collector and a subsequent structure thereof when the collector is subjected to pulse back blowing operation, so that unstable pressure in the subsequent structure caused by punching when back blowing flows into the subsequent structure is prevented.
5. The multi-collector structure for preparing ultrafine powder material by gas phase method according to claim 1 or 4, wherein: and an air release valve is arranged at the air outlet of each collector and used for releasing pressure during pulse back blowing operation of the collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220993759.4U CN217311954U (en) | 2022-04-25 | 2022-04-25 | Multi-collector structure for preparing superfine powder material by gas phase method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220993759.4U CN217311954U (en) | 2022-04-25 | 2022-04-25 | Multi-collector structure for preparing superfine powder material by gas phase method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217311954U true CN217311954U (en) | 2022-08-30 |
Family
ID=82949014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220993759.4U Active CN217311954U (en) | 2022-04-25 | 2022-04-25 | Multi-collector structure for preparing superfine powder material by gas phase method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217311954U (en) |
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2022
- 2022-04-25 CN CN202220993759.4U patent/CN217311954U/en active Active
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