CN214300307U - Air combustion-supporting type supersonic flame spraying system - Google Patents
Air combustion-supporting type supersonic flame spraying system Download PDFInfo
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- CN214300307U CN214300307U CN202023110395.0U CN202023110395U CN214300307U CN 214300307 U CN214300307 U CN 214300307U CN 202023110395 U CN202023110395 U CN 202023110395U CN 214300307 U CN214300307 U CN 214300307U
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Abstract
The utility model discloses an air combustion-supporting type supersonic speed flame spraying system, including air compressor, inert gas, fuel, vaporizer, gas control cabinet, send whitewashed ware, control cabinet, spray gun and connecting line, high-pressure gas that air compressor produced enters behind gas holder and desiccator the gas control cabinet, the fuel passes through become combustible gas behind the vaporizer and get into the gas control cabinet, inert gas with gas control cabinet intercommunication, the gas control cabinet is with clean compressed air and combustible gas input after flow adjustment the spray gun, gas control cabinet is given through the later inert gas input of flow adjustment send whitewashed ware, send whitewashed ware through sending the powder pipe with the powder input give the spray gun, gas control cabinet with the control cabinet is connected. The utility model discloses a change of system architecture for the cost reduction of consumption oxygen has suitably reduced flame temperature and has solved the problem that the barrel glues the powder.
Description
The technical field is as follows:
the utility model relates to a hot spraying equipment especially relates to an air combustion-supporting type supersonic speed flame spraying system.
Background art:
the prior supersonic flame spraying system uses pure oxygen for combustion supporting whether using gas fuel or liquid fuel, and adopts a water circulation cooling form of a water cooler to cool a spray gun. Due to the limitation of the conditions of the spraying equipment, the fuel consumption cost is high, the energy utilization rate is low, and part of heat energy is consumed by the water cooling circulation of the spraying equipment. While supersonic flame spray equipment can deliver very high density, high bond strength and hardness coatings, it still has its own insurmountable drawbacks: the gun barrel is easy to adhere to powder; the spraying material still undergoes a certain degree of oxidative decomposition; the water cooling spray gun has low energy utilization rate and high cost.
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 an air combustion-supporting supersonic flame spraying system which has reasonable design, can reduce oxygen consumption, solves the problem of barrel adhesion and improves the spraying effect.
The technical scheme of the utility model is that:
an air combustion-supporting supersonic flame spraying system comprises an air compressor, inert gas, fuel, a vaporizer, a gas control cabinet, a powder feeder, a control console, a spray gun and a connecting pipeline, wherein high-pressure gas generated by the air compressor enters the gas control cabinet after passing through a gas storage tank and a dryer, the fuel is changed into combustible gas after passing through the vaporizer and enters the gas control cabinet, the inert gas is communicated with the gas control cabinet, the gas control cabinet inputs clean compressed air and the combustible gas into the spray gun after flow adjustment, the inert gas of the gas control cabinet is input into the powder feeder after flow adjustment, the powder feeder inputs powder into the spray gun through a powder feeding pipe, and the gas control cabinet is connected with the control console.
The air storage tank and the dryer are provided with a filter, and the dryer and the gas control cabinet are provided with two filters.
The spray gun comprises a gun sleeve, a gun barrel, a gun body, a combustion chamber, an ignition spark plug and a gun tail connector, wherein the combustion chamber is positioned at the front part of an inner cavity of the gun body, the rear part of the inner cavity of the gun body is sequentially provided with a ceramic combustion plate, an outer shunt, a shunt connector and an inner shunt from head to tail, the gun body is provided with an air flow passage along the axis, the inner shunt is provided with a propane flow passage along the axis, a mixed gas flow passage is arranged at the joint of the shunt connector and the inner shunt, the air flow passage and the propane flow passage are respectively communicated with the mixed gas flow passage, the inner shunt, the shunt connector and the outer shunt are respectively provided with a powder feeding flow passage along the axis, the gun tail connector is respectively provided with an air inlet, a combustible gas inlet and a powder feeding needle opening, and the air inlet, the combustible gas inlet and the powder feeding needle opening are respectively communicated with the air flow passage, The propane flow passage is communicated with the powder feeding flow passage.
The gun sleeve and the gun barrel are fixedly sleeved and a hollow clamping sleeve is arranged between the gun sleeve and the gun barrel, the tail end of the gun sleeve is connected with the head end of the gun body through a locking nut, an air outlet is formed in the head end of the hollow clamping sleeve, and the tail end of the hollow clamping sleeve is communicated with the air flow channel.
The utility model discloses a propane gas burner, including body of a gun, body of a gun tail connector, propane runner and combustible gas import, the body of a gun tail connector is connected with the body of a gun tail connector through the bolt, the body of a gun and the body of a gun tail connector are triangular prism column structure, air runner and air inlet are two, are located two edges and corners of body of a gun respectively, propane runner and combustible gas import are one, are located two respectively between the air inlet.
And a gap is formed between the combustion chamber and the gun body, and the gap is respectively communicated with the air flow channel and the mixed gas flow channel.
The utility model has the advantages that:
1. the utility model discloses can reduce the content of the oxide in the coating for the density of coating obtains further promotion, and then improves the spraying quality of coating.
2. The utility model discloses a change of system architecture for the cost reduction of consumption oxygen has suitably reduced flame temperature and has solved the problem that the barrel glues the powder.
3. The utility model greatly improves the source utilization rate; the heat enthalpy value of the spray gun is very high, the working efficiency of the spray gun is greatly increased, and the manufacturing efficiency of the coating is improved.
4. The utility model relates to a rationally, can reduce oxygen consumption, solve the barrel and bond and improve the spraying effect, need not traditional chiller and cool off to the spray gun, reduced the input of equipment, its application scope is wide, has good economic benefits after promoting.
Description of the drawings:
FIG. 1 is a schematic structural diagram of an air combustion-supporting supersonic flame spraying system;
FIG. 2 is a schematic view of the structure of the lance of FIG. 1;
FIG. 3 is a right side view of the air-assisted supersonic flame spray system of FIG. 2.
The specific implementation mode is as follows:
example (b): referring to fig. 1-3, there are shown 1-a locking nut, 2-an ignition spark plug, 3-an air flow passage, 4-a body, 5-a mixed gas flow passage, 6-a breech connector, 7-a propane flow passage, 8-a powder feeding needle port, 9-an internal splitter, 10-a splitter connector, 11-an external splitter, 12-a ceramic combustion plate, 13-a combustion chamber, 14-a barrel, 15-a gun case, 16-an air inlet, 17-a combustible gas inlet; 21-air compressor, 22-air storage tank, 23-dryer, 24-spray gun, 25-powder feeder, 26-console, 27-vaporizer, 28-propane bottle, 29-gas control cabinet and 30-nitrogen bottle.
Air combustion-supporting supersonic flame spraying system, including air compressor 21, inert gas (nitrogen gas bottle 30), fuel (propane bottle 28), vaporizer 27, gas control cabinet 29, powder feeder 25, control cabinet 26, spray gun 24 and connecting line, wherein: high-pressure gas generated by the air compressor 1 passes through the gas storage tank 22 and the dryer 23 and then enters the gas control cabinet 29, fuel is changed into combustible gas through the vaporizer 27 and then enters the gas control cabinet 29, inert gas is communicated with the gas control cabinet 29, the gas control cabinet 29 inputs clean compressed air and combustible gas into the spray gun 24 after flow adjustment, the inert gas of the gas control cabinet 29 after flow adjustment is input into the powder feeder 25, the powder feeder 25 inputs powder into the spray gun 24 through a powder feeding pipe, and the gas control cabinet 29 is connected with the control console 26.
The preferred scheme is as follows: a filter is arranged between the air storage tank 22 and the dryer 23, and two filters are arranged between the dryer 23 and the gas control cabinet 29.
The lance 24 comprises a holster 15, a barrel 14, a frame 4, a combustion chamber 13, an ignition spark plug 2 and a breech connector 6, wherein: the combustion chamber 13 is positioned in the front of the inner cavity of the gun body 4, the rear part of the inner cavity of the gun body 4 is sequentially provided with a ceramic combustion plate 12, an outer splitter 11, a splitter connector 10 and an inner splitter 9 from head to tail, an air flow channel 3 is arranged on the gun body 4 along the axis, a propane flow channel 7 is arranged on the inner splitter 9 along the axis, a mixed gas flow channel 5 is arranged at the joint of the splitter connector 10 and the inner splitter 9, the air flow channel 3 and the propane flow channel 7 are respectively communicated with the mixed gas flow channel 5, the inner splitter 9, the splitter connector 10 and the outer splitter 11 are respectively provided with a powder feeding flow channel along the axis, the gun tail connector 6 is respectively provided with an air inlet 16, a combustible gas inlet 17 and a powder feeding needle port 8, and the air inlet 16, the combustible gas inlet 17 and the powder feeding needle port 8 are respectively communicated with the air flow channel 3, the propane flow channel 7 and the powder feeding flow channel.
The preferred scheme is as follows: the gun case 15 and the barrel 14 are fixedly sleeved and connected, a hollow clamping sleeve is arranged between the gun case 15 and the barrel 14, the tail end of the gun case 15 is connected with the head end of the gun body 4 through a locking nut 1, an air outlet is formed in the head end of the hollow clamping sleeve, and the tail end of the hollow clamping sleeve is communicated with the air flow channel 3.
The tail end of the gun body 4 is connected with the gun tail connector 6 through a bolt, the gun body 4 and the gun tail connector 6 are both triangular prism structures, the number of the air flow channels 3 and the number of the air inlets 16 are two, the air flow channels are respectively located at two edges of the gun body 4, the number of the propane flow channels 7 and the number of the combustible gas inlets 17 are one, and the air flow channels are respectively located between the two air inlets 16.
A gap is reserved between the combustion chamber 13 and the gun body 4, and the gap is respectively communicated with the air flow passage 3 and the mixed gas flow passage 5, so that the mixed flow of the gas is realized.
The working principle is as follows:
1. the air compressor 21 generates compressed air with pressure of more than 1.1MPa, the compressed air is stored by the air storage tank 22, then enters the freeze dryer 23, passes through the three-stage filter, outputs clean high-pressure compressed air after removing water and oil and is connected to the gas control cabinet 29; reducing the pressure of a nitrogen gas bottle 30 or an argon gas bottle, outputting 1.0MPa of inert gas, and connecting the inert gas into a gas control cabinet 29; the liquid fuel (propane bottle 28) is connected into the vaporizer 27, and is converted into combustible gas from the liquid state and then is output to the gas control cabinet 29;
2. the gas control cabinet 29 inputs clean compressed air and combustible gas to the rear end gas interface of the spray gun 24 after flow adjustment, inputs inert gas to the powder feeder 25, and the powder feeder 25 inputs powder to the rear end gas interface of the spray gun 24 through a powder feeding pipe;
3. air enters the gun and enters the hollow jackets of the gun barrel 14 and the gun sleeve 15 along the air flow channel 3 of the gun body 4, one part of the air is directly blown out from an air outlet, the other part of the air flows into the interlayer gap between the combustion chamber 13 and the gun body 4 to form a cooling path of the air, and then the air enters a cavity between the flow dividing connecting body 10 and the inner flow divider 9 through the hole on the flow dividing connecting body 10;
4. combustible gas propane enters from an inlet, enters a mixed gas channel 5 between an inner splitter 9 and a flow splitting connecting body 10 through a propane channel 7 on the inner splitter 9, and is mixed with air to form mixed gas;
5. the mixed gas enters the cavity of the outer splitter 11 and the ceramic combustion plate 12 through the outer splitter 11, and finally enters the combustion chamber 13 uniformly through the pores of the ceramic combustion plate 12
6. A high-pressure flame flow is formed in the combustion chamber 13 by controlling the ignition plug 2 inserted into the combustion chamber 13 to ignite it; powder enters from a powder feeding needle opening 8 of the gun tail connector 6 and enters into a combustion chamber 13 from a powder feeding flow passage at the axis of the spray gun;
7. the high pressure flame stream in the combustion chamber 13 surrounds the powder and accelerates the flame stream through the throat of the combustion chamber 13 into the barrel 14;
8. the inside of the gun tube 14 is accelerated again through the contraction and re-expansion of the gun tube, and supersonic flame flow is formed to be sprayed to the surface of the workpiece to form a compact coating.
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 (6)
1. An air combustion-supporting supersonic flame spraying system comprises an air compressor, inert gas, fuel, a vaporizer, a gas control cabinet, a powder feeder, a control console, a spray gun and a connecting pipeline, and is characterized in that: the high-pressure gas generated by the air compressor enters the gas control cabinet after passing through the gas storage tank and the dryer, the fuel is changed into combustible gas after passing through the vaporizer and enters the gas control cabinet, the inert gas is communicated with the gas control cabinet, the gas control cabinet inputs clean compressed air and combustible gas into the spray gun after flow adjustment, the inert gas after flow adjustment of the gas control cabinet is input into the powder feeder, the powder feeder inputs powder into the spray gun through a powder feeding pipe, and the gas control cabinet is connected with the control console.
2. An air-assisted supersonic flame spray system as defined in claim 1, wherein: the air storage tank and the dryer are provided with a filter, and the dryer and the gas control cabinet are provided with two filters.
3. An air-assisted supersonic flame spray system as defined in claim 1, wherein: the spray gun comprises a gun sleeve, a gun barrel, a gun body, a combustion chamber, an ignition spark plug and a gun tail connector, wherein the combustion chamber is positioned at the front part of an inner cavity of the gun body, the rear part of the inner cavity of the gun body is sequentially provided with a ceramic combustion plate, an outer shunt, a shunt connector and an inner shunt from head to tail, the gun body is provided with an air flow passage along the axis, the inner shunt is provided with a propane flow passage along the axis, a mixed gas flow passage is arranged at the joint of the shunt connector and the inner shunt, the air flow passage and the propane flow passage are respectively communicated with the mixed gas flow passage, the inner shunt, the shunt connector and the outer shunt are respectively provided with a powder feeding flow passage along the axis, the gun tail connector is respectively provided with an air inlet, a combustible gas inlet and a powder feeding needle opening, and the air inlet, the combustible gas inlet and the powder feeding needle opening are respectively communicated with the air flow passage, The propane flow passage is communicated with the powder feeding flow passage.
4. An air-assisted supersonic flame spray system as defined in claim 3, wherein: the gun sleeve and the gun barrel are fixedly sleeved and a hollow clamping sleeve is arranged between the gun sleeve and the gun barrel, the tail end of the gun sleeve is connected with the head end of the gun body through a locking nut, an air outlet is formed in the head end of the hollow clamping sleeve, and the tail end of the hollow clamping sleeve is communicated with the air flow channel.
5. An air-assisted supersonic flame spray system as defined in claim 3, wherein: the utility model discloses a propane gas burner, including body of a gun, body of a gun tail connector, propane runner and combustible gas import, the body of a gun tail connector is connected with the body of a gun tail connector through the bolt, the body of a gun and the body of a gun tail connector are triangular prism column structure, air runner and air inlet are two, are located two edges and corners of body of a gun respectively, propane runner and combustible gas import are one, are located two respectively between the air inlet.
6. An air-assisted supersonic flame spray system as defined in claim 3, wherein: and a gap is formed between the combustion chamber and the gun body, and the gap is respectively communicated with the air flow channel and the mixed gas flow channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023110395.0U CN214300307U (en) | 2020-12-22 | 2020-12-22 | Air combustion-supporting type supersonic flame spraying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023110395.0U CN214300307U (en) | 2020-12-22 | 2020-12-22 | Air combustion-supporting type supersonic flame spraying system |
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| CN214300307U true CN214300307U (en) | 2021-09-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117626163A (en) * | 2024-01-25 | 2024-03-01 | 成都飞机工业（集团）有限责任公司 | Safety spraying control system and control method for conductive aluminum layer on surface of composite part |
| CN117626163B (en) * | 2024-01-25 | 2024-06-07 | 成都飞机工业（集团）有限责任公司 | Safety spraying control system and control method for conductive aluminum layer on surface of composite part |
-
2020
- 2020-12-22 CN CN202023110395.0U patent/CN214300307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117626163A (en) * | 2024-01-25 | 2024-03-01 | 成都飞机工业（集团）有限责任公司 | Safety spraying control system and control method for conductive aluminum layer on surface of composite part |
| CN117626163B (en) * | 2024-01-25 | 2024-06-07 | 成都飞机工业（集团）有限责任公司 | Safety spraying control system and control method for conductive aluminum layer on surface of composite part |
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