CN207748577U - A kind of induction plasma heating nodularization powder supply component - Google Patents
A kind of induction plasma heating nodularization powder supply component Download PDFInfo
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- CN207748577U CN207748577U CN201721903096.8U CN201721903096U CN207748577U CN 207748577 U CN207748577 U CN 207748577U CN 201721903096 U CN201721903096 U CN 201721903096U CN 207748577 U CN207748577 U CN 207748577U
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- powder supply
- tube
- nodularization
- heats
- induction plasma
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Abstract
A kind of induction plasma heating nodularization powder supply component, including for tube cell (1), sealing ring (2), heater pedestal (3), plasma boiler (4), for tube cell (1) and heater pedestal (3), plasma boiler (4) is sequentially connected, sealing ring (2) is sealed, by carrying out water filling for the seal assembly (101) in tube cell (1), the wall formed by powder supply outer tube (102) and powder supply inner tube (104) realizes cooling water reflux, it ensure that for the lasting cooling temperature control during tube cell (1) powder supply, overcome the problem of being easy to burn for tube cell (1) component, reliability is high, stability is good.
Description
Technical field
The utility model is related to a kind of induction plasmas to heat nodularization powder supply component, belong to heating technique application field.
Background technology
Induction plasma heat the development of spheronization techniques and 3D printing rapid shaping technique fast-developing at present and
The development close relation of the technologies such as powder spray, porous material preparation, the above technology is to basic material powder, flowing
Property, the physical property requirements such as apparent density it is high, and traditional atomization, carbonyl process, sol-gal process equal sphere powder preparation side
The problems such as powder there are particle size ranges wide, powder prepared by method easily bonds, spheroidization ratio is not high, it is difficult to more than meeting well
Requirement of the technology to powder.Compared with conventional method, heat plasma method nodularization powder then has the superiority that can not be reached, especially
It is that catalytic behavior of materials prepares spherical powder technology and has more advantage, first, induction plasma heating intensity is big, energy is close
Degree is high, plasma temperature is high, and high-melting-point refractory metal surfaces can be made to melt or be completely melt, and then cooling nodularization, etc.
It is prepared by the batch that gas ions volume is conducive to greatly spherical powder.Second, since induction plasma does not have electrode, it will not be because of electrode
Evaporate xenogenesis element and polluted product, spherical powder is purer made from the technology.Therefore, using induction plasma system
Standby epigranular, the technology of controllable high pure spherical powder become the main direction of development of new material and equipment with equipment special,
The gradually exploitation of technology is ripe and enters industrialization production and scale application stage with good foreground.
Induction plasma spheroidizing of powder technology refers to the pure induction plasma generated using induction plasma heater
Body flame is heat source, and target powder is sent into reactor by powder feeder powder feeder, is accelerated in plasma stream and molten
Change, the conversion zone that then speeds away enters cooling storehouse cooling, and melt granules are under the action of surface tension in this process
Form spheric granules.During nodularization, target powder sent out by powder feeder after to reaction zone is entered, process need to be by mating
Complete for tube cell and component.It can be seen that need to extend into the induction plasma flame of high temperature for tube cell, it can
Powder is sent into flame zone well, therefore good high temperature resistance is needed for tube cell, at the same time, powder supply position supplies
The parameters such as powder speed have more apparent influence to powder in the residence time of reaction zone and spheroidization ratio etc..
Utility model content
The utility model solve the technical issues of be：For powder supply tube body in the prior art be easy induction of high temperature etc. from
The problem of being burnt in sub- flame, it is proposed that a kind of induction plasma heating nodularization powder supply component solves target powder and is easy
The difficulty that particulate matter condenses in inner surface of tube body is formed under high temperature environment.
The utility model solves above-mentioned technical problem and is achieved by following technical solution：
A kind of induction plasma heating nodularization powder supply component, including for tube cell, sealing ring, heater pedestal, plasma
Body heater, described to be connect with heater pedestal for tube cell output end, junction is sealed by a seal ring, the heater
Pedestal is bolted in plasma boiler input terminal, described to be co-axially mounted for tube cell and heater pedestal, plasma boiler,
And sequentially pass through sealing ring, heater pedestal, plasma boiler for tube cell output end nozzle.
Described for tube cell includes seal assembly, powder supply outer tube, powder supply inner tube, two-tube connection cover, wherein powder supply outer tube, powder supply
Inner tube is to be co-axially mounted, and powder supply outer tube sleeve passes through loaded on powder supply inner tube outside, powder supply inner tube tail end with powder supply outer tube both ends side wall
Two-tube connection cover is weldingly connected and seals to form powder supply wall, and powder supply outer tube head end installs seal assembly to powder supply outer tube and confession
Powder inner tube input terminal is sealed.
The seal assembly is the column sealed material of hollow structure, and water inlet is respectively set in both ends side wall, water outlet is used for
Cooling water circulates.
The heater pedestal is stainless steel material.
The sealing ring material is polytetrafluoroethylene (PTFE), and thickness is not less than 10mm.
The powder supply outer tube tail end is that small―gap suture cooperation is installed with plasma boiler.
The outer tube thickness of the powder supply is 0.5mm~2mm.
The powder supply space layer is not more than 1mm.
Preferably, the cooling water pressure is not less than 1Mpa.
The utility model compared with prior art the advantages of be：
(1) a kind of induction plasma provided by the utility model heats nodularization powder supply component, realize outer tube, wall,
Effective cooperation of three layers of thin-walled tubular structure of inner tube and connection, shellring nested structure are effectively formed circulating cooling aquaporin, to supplying
Tube cell is fully cooled, ensure to be deep into inside high temperature plasma flame for tube cell carry out continuous powder supply for a long time and
It is not burnt.
(2) the utility model uses the cyclic annular insulated enclosure circle of polytetrafluoroethylene material, and fastening nut squeezes it can
Enough to playing fastening effect for tube cell, thus it is easy to adjust for elongation under tube cell, convenient for meeting different target powder to heated
The requirement of stroke；While sealing function can be played, atmosphere is pure in guarantee heater；Material can play the work of insulation
With guarantee prevents for the insulation between tube cell and pedestal, fastening nut and induction plasma body heater and plasma flame produces
Raw conductive path.It can be seen that the design can play multiple action and it is simple in structure, adjust and replace convenient and efficient.
Description of the drawings
Fig. 1 is the powder feeder unit structure chart that utility model provides；
Fig. 2 be utility model provide for tube cell structure chart；
Specific implementation mode
A kind of induction plasma heating nodularization powder supply component, as shown in Figure 1, including for tube cell 1, sealing ring 2, heater
Pedestal 3, plasma boiler 4, it is described to be connect with heater pedestal 3 for 1 output end of tube cell, junction by sealing ring 2 into
Row sealing, the heater pedestal 3 are bolted in 4 input terminal of plasma boiler, it is described for tube cell 1 and heater pedestal 3, etc.
Ion body heater 4 is co-axially mounted, and sequentially passes through sealing ring 2, heater pedestal 3, plasma for 1 output end nozzle of tube cell
Heater 4.
Wherein the powder supply pipe 1 is as shown in Fig. 2, including seal assembly 101, powder supply outer tube 102, powder supply inner tube 104, two-tube
Connection cover 105, the seal assembly 101 are the column sealed material of hollow structure, and both ends side wall is respectively set water inlet 1011, goes out
It circulates for cooling water at the mouth of a river 1012.Wherein powder supply outer tube 102, powder supply inner tube 104 are to be co-axially mounted, and powder supply outer tube 102 is set with
In 104 outside of powder supply inner tube, 104 tail end of powder supply inner tube is weldingly connected with 102 both ends side wall of powder supply outer tube with two-tube connection cover 105
And seal and form powder supply wall, 102 head end of powder supply outer tube is installed seal assembly 101 and is carried out to powder supply outer tube 102 and input terminal
Sealing.
The heater pedestal 3 is stainless steel material；2 material of the sealing ring is polytetrafluoroethylene (PTFE), and thickness is not less than
10mm；102 tail end of powder supply outer tube is that small―gap suture cooperation is installed with plasma boiler 4；102 thickness of powder supply outer tube
For 0.5mm~2mm；The powder supply space layer is not more than 1mm；The cooling water pressure is not less than 1Mpa.
Workflow is as follows：By carrying out continuing powder supply to plasma boiler 4 for the powder supply inner tube 104 in tube cell 1,
101 one end side wall water inlet of seal assembly of the column sealed material of hollow structure flows into cooling water, and cooling water enters and water inlet
Adjacent powder supply outer tube 102, and 102 bottom end of powder supply outer tube is flowed into, it flows by being weldingly connected with 104 side edge of powder supply inner tube edge
The powder supply wall of formation, and by powder supply wall pass back into the 101 top other side of seal assembly and by seal assembly 101 it is another
One side wall water outlet flows out, and realizes to the lasting cooling for tube cell 1, ensures that device will not be burnt out by plasma boiler 4.
The content not being described in detail in the utility model specification belongs to the known technology of those skilled in the art.
Claims (9)
1. a kind of induction plasma heats nodularization powder supply component, it is characterised in that：Including for tube cell (1), sealing ring (2), plus
Hot device pedestal (3), plasma boiler (4), described to be connect with heater pedestal (3) for tube cell (1) output end, junction is logical
It crosses sealing ring (2) to be sealed, the heater pedestal (3) is bolted in plasma boiler (4) input terminal, described for tube cell
(1) it is co-axially mounted, and sequentially passes through for tube cell (1) output end nozzle close with heater pedestal (3), plasma boiler (4)
Seal (2), heater pedestal (3), plasma boiler (4).
2. a kind of induction plasma according to claim 1 heats nodularization powder supply component, it is characterised in that：The powder supply
It includes seal assembly (101), powder supply outer tube (102), powder supply inner tube (104), two-tube connection cover (105) to manage (1), wherein outside powder supply
Pipe (102), powder supply inner tube (104) are to be co-axially mounted, and powder supply outer tube (102) is set on the outside of powder supply inner tube (104), powder supply inner tube
(104) tail end is weldingly connected and seals to form powder supply interval with powder supply outer tube (102) both ends side wall by two-tube connection cover (105)
Layer, powder supply outer tube (102) head end are installed seal assembly (101) and are carried out to powder supply outer tube (102) and powder supply inner tube (104) input terminal
Sealing.
3. a kind of induction plasma according to claim 2 heats nodularization powder supply component, it is characterised in that：The sealing
Component (101) is the column sealed material of hollow structure, and water inlet (1011) is respectively set in both ends side wall, water outlet (1012) is used for
Cooling water circulates.
4. a kind of induction plasma according to claim 1 or 2 or 3 heats nodularization powder supply component, it is characterised in that：Institute
It is stainless steel material to state heater pedestal (3).
5. a kind of induction plasma according to claim 1 or 2 or 3 heats nodularization powder supply component, it is characterised in that：Institute
It is polytetrafluoroethylene (PTFE) to state sealing ring (2) material, and thickness is not less than 10mm.
6. a kind of induction plasma according to claim 2 or 3 heats nodularization powder supply component, it is characterised in that：It is described
Powder supply outer tube (102) tail end is that small―gap suture cooperation is installed with plasma boiler (4).
7. a kind of induction plasma according to claim 2 or 3 heats nodularization powder supply component, it is characterised in that：It is described
Powder supply outer tube (102) thickness is 0.5mm~2mm.
8. a kind of induction plasma according to claim 2 or 3 heats nodularization powder supply component, it is characterised in that：It is described
Powder supply space layer is not more than 1mm.
9. a kind of induction plasma according to claim 3 heats nodularization powder supply component, it is characterised in that：The cooling
Water pressure is not less than 1Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721903096.8U CN207748577U (en) | 2017-12-29 | 2017-12-29 | A kind of induction plasma heating nodularization powder supply component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721903096.8U CN207748577U (en) | 2017-12-29 | 2017-12-29 | A kind of induction plasma heating nodularization powder supply component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207748577U true CN207748577U (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721903096.8U Active CN207748577U (en) | 2017-12-29 | 2017-12-29 | A kind of induction plasma heating nodularization powder supply component |
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| CN (1) | CN207748577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108190562A (en) * | 2017-12-29 | 2018-06-22 | 中国航天空气动力技术研究院 | A kind of induction plasma heating nodularization supplies component powder |
-
2017
- 2017-12-29 CN CN201721903096.8U patent/CN207748577U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108190562A (en) * | 2017-12-29 | 2018-06-22 | 中国航天空气动力技术研究院 | A kind of induction plasma heating nodularization supplies component powder |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210428 Address after: 618 Liangjiang Avenue, Yubei District, Chongqing Patentee after: Yunhang times (Chongqing) Technology Co.,Ltd. Address before: 100074, No. 17 Yungang West Road, Beijing, Fengtai District Patentee before: CHINA ACADEMY OF AEROSPACE AERODYNAMICS |
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| TR01 | Transfer of patent right |