CN214168102U - Supersonic spray gun capable of adjusting temperature in large range - Google Patents
Supersonic spray gun capable of adjusting temperature in large range Download PDFInfo
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- CN214168102U CN214168102U CN202023266613.XU CN202023266613U CN214168102U CN 214168102 U CN214168102 U CN 214168102U CN 202023266613 U CN202023266613 U CN 202023266613U CN 214168102 U CN214168102 U CN 214168102U
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- cooling water
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- water
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Abstract
The utility model discloses a supersonic speed spray gun that can adjust temperature on a large scale, the one end of its rifle body is passed through intermediate connector with the barrel is connected, the other end of the rifle body with the stabilizer is connected, the combustion chamber sets up in the inner chamber of the rifle body, be provided with oxygen nozzle, fuel sprayer and igniter on the stabilizer respectively, the barrel outer wall is provided with the extrinsic cycle water jacket, the extrinsic cycle water jacket communicates with preceding cooling water inlet channel and preceding cooling water return water pipeline respectively, be provided with the cooling water course on the rifle body, the cooling water course communicate with last inlet of water and delivery port down respectively, the combustion chamber outer wall with be provided with the intermediate layer cover between the rifle body, the intermediate layer cover communicate with back cooling water inlet channel and back cooling water return water pipeline respectively. The utility model discloses a cooling water three-in three-out mode has both protected the spray gun and has reduced the temperature of flame, can adjust the temperature of cold water and the flow of cold water comes effectual control spray gun temperature.
Description
The technical field is as follows:
the utility model relates to a hot spraying technique especially relates to a supersonic speed spray gun that can adjust temperature on a large scale.
Background art:
conventional flame guns, such as Jet kote, JP-5000, etc., burn in a combustion chamber (vertical handle) through an internal bore of the combustion chamber to a barrel. The powder is axially fed into an inner hole of the middle connector, the barrel is heated and melted or semi-melted, the powder is heated and accelerated to be sprayed out of the barrel, heating acceleration of powder particles is influenced due to the fact that the combustion chamber cools the barrel by adopting kerosene or gas and high-pressure gas, oxygen in air is sucked to increase oxidation of a coating to influence coating quality, when the supersonic flame spray gun burns, the temperature of the combustion chamber is about 3000 degrees generally, the temperature cannot be effectively adjusted generally, when the supersonic flame spray gun sprays the powder with the melting point of 1000-2000 degrees, the effect is optimal, gasification can be caused, and spraying of low-temperature material alloys cannot be achieved. Conventional lance cooling is only to protect the components within the lance.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: overcomes the defects of the prior art, and provides the supersonic speed spray gun which has reasonable design, uniform powder feeding and good spraying effect and can adjust the temperature in a large range.
The technical proposal of the utility model is that
The utility model provides a supersonic speed spray gun that can adjust temperature on a large scale, includes the rifle body, stabilizer, some firearm, combustion chamber, intermediate junction ware and barrel, the one end of the rifle body is passed through intermediate junction ware with the barrel is connected, the other end of the rifle body with the stabilizer is connected, the combustion chamber sets up in the inner chamber of the rifle body, be provided with air cock, fuel sprayer and some firearm, characterized by on the stabilizer respectively: the gun barrel outer wall is provided with outer circulation water jacket, outer circulation water jacket communicates with preceding cooling water inlet channel and preceding cooling water return water pipeline respectively, constitutes first cooling water circulation passageway, be provided with the cooling water course on the rifle body, the cooling water course communicates with last inlet opening and lower delivery port respectively, constitutes second cooling water circulation passageway, the combustion chamber outer wall with be provided with the intermediate layer cover between the rifle body, the intermediate layer cover communicates with back cooling water inlet channel and back cooling water return water pipeline respectively, constitutes third cooling water circulation passageway.
And an internal circulation water jacket is arranged on the inner wall of the gun barrel, is communicated with the interlayer sleeve and is merged into the third cooling water circulation channel.
The intermediate connector is provided with a transition water channel which is respectively communicated with the cooling water channel and the external circulation water jacket, so that the first cooling water circulation channel is communicated with the second cooling water circulation channel, the water quantity can be increased, and the circulation is accelerated.
The utility model has the advantages that:
1. the utility model discloses the spray gun performance is good, and through the temperature of adjusting the supersonic speed flame flow, the coating performance of preparation is excellent, not only possesses the advantage of supersonic speed flame spray gun, has still overcome its spraying low temperature alloy material, has crossed the difficult problem of melting, greatly reduced the powder and crossed the phenomenon of melting unable spraying. The prepared metal and alloy coating has quite excellent performance, so that the coating has unique advantages when being sprayed on a spraying material which is easy to decompose or deteriorate at high temperature. 2. The utility model discloses the efflux atomizing nozzle that the spray gun adopted, atomization effect is good, and the burning is abundant, and coking is not carried out, and the tempering is not carried out, and the temperature of the regulation spray gun that can be on a large scale comes spraying low temperature alloy powder or high temperature alloy powder, has guaranteed the quality of coating effectively. 3. The utility model discloses ignition system safe and reliable, in addition, adopt radial powder feeding mode, send powder point position selection reasonable, send the powder even, efficient.
4. The utility model discloses spray gun structural design outward appearance is pleasing to the eye, and is simple novel, easy dismounting, easy to maintain maintenance, and the coating performance of its preparation is excellent, and can prepare multiple high quality coating, uses kerosene to be the fuel, and oxygen, compressed air are the combustion improver, compare with other supersonic speed flame spraying, and fuel combustion improver low price has very high cost performance ratio.
5. The utility model relates to a rationally, send powder evenly and the spraying is effectual, and its application scope is wide, has good economic benefits after promoting.
Description of the drawings:
fig. 1 is a schematic structural view of a supersonic spray gun capable of adjusting temperature in a wide range.
The specific implementation mode is as follows:
example (b): referring to fig. 1, there are 1-gun body, 2-stabilizer, 3-oxygen nozzle, 4-oil nozzle, 5-igniter, 6-after cooling water inlet pipe, 7-combustion chamber, 8-before cooling water inlet pipe, 9-gun barrel, 10-upper water inlet, 11-after cooling water return pipe, 12-before cooling water return pipe, 13-middle connector, 14-lock nut, 15-lower water outlet.
Can be temperature regulation's supersonic speed spray gun on a large scale, the one end of the rifle body 1 is passed through lock nut 14 and is connected with intermediate connector 13, and intermediate connector 13 is connected with barrel 9, and the other end and the stabilizer 2 of the rifle body 1 are connected, and combustion chamber 7 sets up in the inner chamber of the rifle body 1, is provided with oxygen mouth 3, fuel sprayer 4 and ignition ware 5 on the stabilizer 2 respectively, wherein: the outer wall of the gun barrel 9 is provided with an outer circulation water jacket which is respectively communicated with a front cooling water inlet pipeline 8 and a front cooling water return pipeline 12 to form a first cooling water circulation channel, the gun body 1 is provided with a cooling water channel, the cooling water channel is respectively communicated with an upper water inlet 10 and a lower water outlet 15 to form a second cooling water circulation channel, an interlayer sleeve is arranged between the outer wall of the combustion chamber 7 and the gun body 1, and the interlayer sleeve is respectively communicated with a rear cooling water inlet pipeline 6 and a rear cooling water return pipeline 11 to form a third cooling water circulation channel.
The preferred scheme is as follows: an inner circulating water jacket is arranged on the inner wall of the gun barrel 9, communicated with the interlayer sleeve and merged into the third cooling water circulating channel. The intermediate connector 13 is provided with a transition water channel which is respectively communicated with the cooling water channel and the external circulation water jacket, so that the first cooling water circulation channel is communicated with the second cooling water circulation channel, the water quantity can be increased, and the circulation is accelerated.
During operation, oxygen enters a combustion chamber 7 from an oxygen nozzle 3, aviation kerosene enters the combustion chamber 7 through an oil nozzle 4, the oxygen and the kerosene are atomized and ignited through an igniter 5 in the combustion chamber 7, the atomized oxygen and the atomized kerosene are combusted and then sprayed out through a through hole gun barrel 9 by the combustion chamber 7, cooling water of a first cooling water circulation channel enters a front cooling water inlet pipe 8, the water circulates by covering the gun barrel 9 and then flows out through a front cooling water return pipe 12, a second path of cooling water enters from an upper water inlet 10 through cold water, the cooling gun body 1 and the gun barrel 9 circulate for a circle and then flows out through a lower water outlet 15, and a third path of cooling water flows into a rear cooling water inlet pipe 6 to cover the combustion chamber 7 and the gun barrel 9 and flows out through a rear cooling water return pipe 10 after the gun barrel winds for a circle. The functions are as follows: the temperature of flame can be reduced while the parts of the spray gun are protected, and the temperature of the spray gun can be effectively controlled by adjusting the temperature of cold water and the flow of the cold water when powder with different melting points is sprayed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.
Claims (3)
1. The utility model provides a supersonic speed spray gun that can adjust temperature on a large scale, includes the rifle body, stabilizer, some firearm, combustion chamber, intermediate junction ware and barrel, the one end of the rifle body is passed through intermediate junction ware with the barrel is connected, the other end of the rifle body with the stabilizer is connected, the combustion chamber sets up in the inner chamber of the rifle body, be provided with air cock, fuel sprayer and some firearm, characterized by on the stabilizer respectively: the gun barrel outer wall is provided with outer circulation water jacket, outer circulation water jacket communicates with preceding cooling water inlet channel and preceding cooling water return water pipeline respectively, constitutes first cooling water circulation passageway, be provided with the cooling water course on the rifle body, the cooling water course communicates with last inlet opening and lower delivery port respectively, constitutes second cooling water circulation passageway, the combustion chamber outer wall with be provided with the intermediate layer cover between the rifle body, the intermediate layer cover communicates with back cooling water inlet channel and back cooling water return water pipeline respectively, constitutes third cooling water circulation passageway.
2. The supersonic spray gun capable of wide range of temperature regulation according to claim 1, wherein: and an internal circulation water jacket is arranged on the inner wall of the gun barrel, is communicated with the interlayer sleeve and is merged into the third cooling water circulation channel.
3. The supersonic spray gun capable of wide range of temperature regulation according to claim 1, wherein: the intermediate connector is provided with a transition water channel which is respectively communicated with the cooling water channel and the external circulation water jacket, so that the first cooling water circulation channel is communicated with the second cooling water circulation channel, the water quantity can be increased, and the circulation is accelerated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023266613.XU CN214168102U (en) | 2020-12-30 | 2020-12-30 | Supersonic spray gun capable of adjusting temperature in large range |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023266613.XU CN214168102U (en) | 2020-12-30 | 2020-12-30 | Supersonic spray gun capable of adjusting temperature in large range |
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| CN214168102U true CN214168102U (en) | 2021-09-10 |
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| CN202023266613.XU Active CN214168102U (en) | 2020-12-30 | 2020-12-30 | Supersonic spray gun capable of adjusting temperature in large range |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161584A (en) * | 2022-07-01 | 2022-10-11 | 国家电投集团江西水电检修安装工程有限公司 | Flame thermal spraying method and cavitation erosion resistant water turbine runner blade |
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2020
- 2020-12-30 CN CN202023266613.XU patent/CN214168102U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161584A (en) * | 2022-07-01 | 2022-10-11 | 国家电投集团江西水电检修安装工程有限公司 | Flame thermal spraying method and cavitation erosion resistant water turbine runner blade |
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