CN202778778U - Double-gas controllable heating cold spraying device - Google Patents
Double-gas controllable heating cold spraying device Download PDFInfo
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- CN202778778U CN202778778U CN 201220300045 CN201220300045U CN202778778U CN 202778778 U CN202778778 U CN 202778778U CN 201220300045 CN201220300045 CN 201220300045 CN 201220300045 U CN201220300045 U CN 201220300045U CN 202778778 U CN202778778 U CN 202778778U
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Abstract
Provided is a double-gas controllable heating cold spraying device. The double-gas controllable heating cold spraying device comprise a gas control cabinet, heating furnaces, a powder delivering device, a spray gun and connection pipelines. The gas control cabinet is provided with a main gas outlet and a powder-delivering gas outlet, the main gas outlet is connected with a main gas heating furnace through a valve, an outlet of the main gas heating furnace is connected with the spray gun, the powder-delivering gas outlet is connected with a powder-delivering gas heating furnace through a valve, and an outlet of the powder-delivering gas heating furnace is connected with the spray gun. The powder delivering device is arranged at one end of the powder-delivering gas heating furnace, a main gas heating furnace temperature thermocouple is arranged in the main gas heating furnace, and a powder-delivering gas heating furnace temperature thermocouple is arranged in the powder-delivering gas heating furnace. A main gas temperature thermocouple, a temperature thermocouple for gas in the spray gun and a powder-delivering gas temperature thermocouple are arranged in the connection pipeline, and the temperature thermocouples are connected with a temperature recorder. The double-gas controllable heating cold spraying device is capable of achieving double-gas quick and controllable heating and has the advantages of being high in heating response speed, simple in structure and long in service life.
Description
Technical field
The utility model relates to a kind of pair of controlled heats cold spray equipment of gas, can realize the high deposition rate of the powder such as cermet and the coating of excellent.
Background technology
Cold spraying is that the focus of at present research is coated with one of deposition method, can realize the deposition under the material at low temperature, thereby avoided in the traditional hot spraying technology deposited coatings process, owing to problems such as the material oxidation of using high temperature heat source to occur, decomposition, phase transformation, evaporations.Cold spraying mainly utilizes high-velocity particles and matrix or the shearing instability that occured during the deposited coatings collision and realize the coating deposition, therefore, the speed of powder particle and temperature are the key factors that determines powder particle deposition efficiency and institute's deposited coatings tissue and performance in the spraying process.Present cold spraying system, for the preheat temperature that improves spraying gas and to the heating acceleration effect of particle, the main resistance-heated furnace that uses heats spraying gas (main gas), but because the heat exchange efficiency between resistance-heated furnace and the tracheae is lower, the control response degree is relatively poor, and powder feeding gas does not generally heat, therefore, gas temperature significantly descends in the rifle body when pyrolytic coating gas and room temperature powder feeding gas can cause after the rifle body mixes, thereby has affected in the spray gun gas to the heating acceleration of particle.In addition, the gas heating system of traditional cold paint finishing have also that the heating furnace volume is large, the easy problem such as bad under the resistance wire high temperature.
The utility model content
Its purpose of the utility model just is to provide a kind of pair of controlled heats cold spray equipment of gas, can realize the quick controlled heating of two-way gas, and it is high, simple in structure to have the heating response speed, the characteristics of long service life.
The technical scheme that realizes above-mentioned purpose and take, comprise the gas switch board, heating furnace, powder feeder, spray gun, and connecting line, described gas switch board is provided with main gas outlet and powder feeding gas outlet, main gas outlet connects main gas heating furnace through valve, main gas furnace outlet connects spray gun, the powder feeding gas outlet connects the powder feeding gas heating furnace through valve, the powder feeding gas furnace outlet connects spray gun, described powder feeding gas heating furnace one end is provided with powder feeder, be provided with main gas heating furnace temperature thermocouple in the described main gas heating furnace, be provided with the powder feeding gas furnace temp in the powder feeding gas heating furnace and measure thermocouple, be provided with in the described connecting line and measure main temperature degree thermocouple, gas temperature measuring thermocouple and powder feeding gas temperature measuring thermocouple in the rifle, described measurement thermocouple connects moisture recorder.
Compared with prior art the utlity model has following advantage.
Owing to adopted the structural design to main gas and the direct eddy-current heating of powder feeding gas pipeline, thereby realized main gas and powder feeding gas two-way are heated respectively, and pass through thermocouple measurement diverse location temperature and realize gas temperature observing and controlling, and by computer system realization in-service monitoring, can realize the controlled heating of two-way gas, it is high to have the heating response speed, characteristics simple in structure.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is this apparatus structure principle schematic.
The specific embodiment
Comprise gas switch board 1, heating furnace, powder feeder, spray gun 9, and connecting line, as shown in Figure 1, described gas switch board 1 is provided with main gas outlet and powder feeding gas outlet, main gas outlet connects main gas heating furnace 3 through valve 2, main gas heating furnace 3 outlets connect spray gun 9, the powder feeding gas outlet connects powder feeding gas heating furnace 14 through valve 21,14 outlets of powder feeding gas heating furnace connect spray gun 9, described powder feeding gas heating furnace 14 1 ends are provided with powder feeder 16, be provided with main gas heating furnace temperature thermocouple 22 in the described main gas heating furnace 3, be provided with the powder feeding gas furnace temp in the powder feeding gas heating furnace 14 and measure thermocouple 13, be provided with in the described connecting line and measure main temperature degree thermocouple 5, gas temperature measuring thermocouple 10 and powder feeding gas temperature measuring thermocouple 11 in the rifle, described measurement thermocouple connects moisture recorder 12.
Described powder feeder 16 can be located at powder feeding gas heating furnace 14 front ends or rear end, is provided with powder feeder 23 for subsequent use at the other end of powder feeder setting.
This device has designed two gas circuit heating systems, uses respectively induction heating mode to heat to main gas and the powder feeding gas of cold spraying, realizes the independent control to the two-way gas-heated, by thermocouple and the computer realization on-line monitoring to the diverse location gas temperature.Powder feeding gas induction heater position can be installed in powder feeder front or back, realizes the heat request that adds of unlike material.
This device comprises that gas sensing heating furnace, gas temperature and System Controlled by Measuring Pressure comprise thermocouple, Pressure gauge (see figure 1).Can realize that powder feeding gas and working gas are controlled separately heating in the cold spray process, and can realize the monitoring of gas temperature and pressure in the spraying process.This device has following characteristics.
Main gas heating furnace and powder feeding gas heating furnace all adopt induction heater to realize powder feeding gas and main gas two-way gas-heated, and can be by selecting powder feeder position (be positioned at heating furnace before or after), and realization is to the preheating requirement of different powder;
By gas temperature measuring thermocouple, main gas temperature measuring thermocouple in powder feeding gas temperature measuring thermocouple, the rifle, realize each road gas temperature monitoring of spraying process in conjunction with moisture recorder;
Measuring thermocouple and powder feeding gas furnace temp measurement thermocouple and moisture recorder by main gas furnace temp realizes the heating-furnace wall temperature is monitored;
By gas gauge in main atmospheric pressure table, powder feeding gas atmospheric pressure table and the rifle, realize spraying process diverse location gas pressure monitoring;
The utility model not only is confined to this embodiment, and every employing the design's structure and thinking are done some simple designs that change or change, and all belong to scope of the present utility model.
The utility model chief component schematic diagram as shown in Figure 1, comprise gas switch board 1, main air valve door 2, main gas heating furnace 3, main atmospheric pressure table 4, measure main temperature degree thermocouple 5, main gas tube 6, powder feeding gas Pressure gauge 7, gas gauge 8 in the rifle, spray gun 9, gas temperature measuring thermocouple 10 in the rifle, powder feeding gas temperature measuring thermocouple 11, moisture recorder (computer) 12, the powder feeding gas furnace temp is measured thermocouple 13, powder feeding gas heating furnace 14, powder feeding gas pipeline 15, powder feeder 16, main gas intake valve 17, main gas air inlet pipe 18, powder feeding gas air inlet pipe 19, powder feeding gas intake valve 20, powder feeding air valve 21, main gas heating furnace temperature thermocouple 22, powder feeder (for subsequent use) 23 compositions such as grade, wherein main gas heating furnace and powder feeding gas heating furnace connect on the AC power that can select frequency and adjustable current size respectively.Main gas through the laggard gas heating furnace 3 of becoming owner of of switch board 1 pressure regulation, behind eddy-current heating, and enters spray gun by main gas tube 6 through main air valve door 2 and main gas tube.Powder feeding gas is through powder feeding air valve 19, powder feeding gas admission line 20, through entering powder feeding gas heating furnace 14 after switch board 1 pressure regulation, behind eddy-current heating, and enter spray gun 9 by powder feeding gas pipeline 15, all wrap up with heat preservation rock or rubber-plastic sponge from two heating furnaces pipeline out, to reduce thermal loss.Pipeline respectively leaves the interface position that powder feeder is installed before and after entering the powder feeding gas heating furnace, and powder feeder 16 powder feeders 23 for subsequent use are installed respectively, realizes the heat request that adds of different powder.Measure gas temperature in main gas, powder feeding gas and the rifle with gas temperature measuring thermocouple in main temperature degree thermocouple 5, powder feeding gas temperature measuring thermocouple 11 and the rifle 10 respectively, and be sent to computer monitoring.Main airway before entering spray gun, powder feeding gas pipeline and spray gun are separately installed with high temperature pressure table (4,7 and 8), realize the monitoring to gas pressure in main gas, powder feeding gas and the rifle.
Claims (2)
1. two controlled heats cold spray equipment of gas, comprise gas switch board (1), heating furnace, powder feeder, spray gun (9), and connecting line, it is characterized in that, described gas switch board (1) is provided with main gas outlet and powder feeding gas outlet, main gas outlet connects main gas heating furnace (3) through valve (2), main gas heating furnace (3) outlet connects spray gun (9), the powder feeding gas outlet connects powder feeding gas heating furnace (14) through valve (21), powder feeding gas heating furnace (14) outlet connects spray gun (9), described powder feeding gas heating furnace (14) one ends are provided with powder feeder (16), be provided with main gas heating furnace temperature thermocouple (22) in the described main gas heating furnace (3), be provided with the powder feeding gas furnace temp in the powder feeding gas heating furnace (14) and measure thermocouple (13), be provided with in the described connecting line and measure main temperature degree thermocouple (5), gas temperature measuring thermocouple (10) and powder feeding gas temperature measuring thermocouple (11) in the rifle, described measurement thermocouple connects moisture recorder (12).
2. the controlled heats cold spray equipment of root a tree name a kind of pair of gas claimed in claim 1, it is characterized in that, described powder feeder (16) can be located at powder feeding gas heating furnace (14) front end or rear end, and the other end that arranges at powder feeder (16) is provided with powder feeder for subsequent use (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300045 CN202778778U (en) | 2012-06-26 | 2012-06-26 | Double-gas controllable heating cold spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300045 CN202778778U (en) | 2012-06-26 | 2012-06-26 | Double-gas controllable heating cold spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202778778U true CN202778778U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220300045 Expired - Fee Related CN202778778U (en) | 2012-06-26 | 2012-06-26 | Double-gas controllable heating cold spraying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202778778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106457282A (en) * | 2014-05-23 | 2017-02-22 | Hpm工程有限公司 | A quick fastening flexible duct for a spray painting device and device including the duct |
| CN112195359A (en) * | 2020-10-19 | 2021-01-08 | 西北工业大学 | Preparation method of metal-based composite material |
-
2012
- 2012-06-26 CN CN 201220300045 patent/CN202778778U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106457282A (en) * | 2014-05-23 | 2017-02-22 | Hpm工程有限公司 | A quick fastening flexible duct for a spray painting device and device including the duct |
| CN112195359A (en) * | 2020-10-19 | 2021-01-08 | 西北工业大学 | Preparation method of metal-based composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20130626 |