CN203380040U - Sprayer suitable for spraying of electrothermal film on inner wall of heating tube - Google Patents
Sprayer suitable for spraying of electrothermal film on inner wall of heating tube Download PDFInfo
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- CN203380040U CN203380040U CN201320463229.XU CN201320463229U CN203380040U CN 203380040 U CN203380040 U CN 203380040U CN 201320463229 U CN201320463229 U CN 201320463229U CN 203380040 U CN203380040 U CN 203380040U
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- shower nozzle
- spraying
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- nozzle cavity
- sprayer
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Abstract
The utility model discloses a sprayer suitable for spraying of an electrothermal film on the inner wall of a heating tube. The sprayer suitable for spraying of the electrothermal film on the inner wall of the heating tube comprises a spray head and a circulating water cooling device, wherein part of the spray head is embedded in the circulating water cooling device to form a closed structure through welding; the spray head comprises a coating guiding core rod, a spray head cavity and a gas cap, the coating guiding core rod is provided with coating guiding holes and coating ejecting outlets, part of the coating guiding core rod stretches into the spray head cavity, a gap exists between the coating guiding core rod and the spray head cavity, a ventilation channel is formed in the rear end of the spray head cavity and is communicated to the middle section of the interior of the spray head cavity, the gas cap is connected to the front end of the spray head cavity, a gas outlet is formed in the front end of the gas cap, a wedge-shaped cavity is formed in the front end of the interior of the gas cap, and the gas outlet is communicated with the wedge-shaped cavity; the rear end of the circulating water cooling device comprises a cooling water inlet, a cooling water outlet and a feed inlet. The sprayer is designed according to the special shape of the inner wall of the heating tube and requirements for the electrothermal film spraying effect and working environment, suitable for spraying of the electrothermal film on the inner wall of the heating tube, and capable of working stably in a high-temperature environment and achieving nanometer spraying.
Description
Technical field
The utility model relates to a kind of sprayer, particularly a kind of be applicable to heat-generating pipe inwall Electric radiant Heating Film spraying, and can be at steady operation under hot environment, realize the sprayer of nano-spray.
Background technology
The spraying of heat-generating pipe inwall Electric radiant Heating Film is key problem in technology and the difficult point of nano electroheating film industry development always.
Because the thickness of coating directly determines resistivity and the power of Electric radiant Heating Film, in addition, heat-generating pipe possesses special inner wall shape, therefore, in order to realize even spraying, to reduce the coating layer thickness error, needs a kind of Electric radiant Heating Film spray equipment that is applicable to its shape; In the production of nano electroheating film, operating temperature is up to 600 ℃, therefore, be necessary to consider a kind of can be at the Electric radiant Heating Film spray equipment of steady operation under hot environment.
Existing Electric radiant Heating Film paint spray coater, its operation principle is similar to the principle of sprayer, utilize high pressure draught by siphon principle sucking-off Electric radiant Heating Film coating from holding vessel, and carry out atomization after high pressure draught mixes, Electric radiant Heating Film coating and gases at high pressure after atomization together are ejected into surface of the work to be painted.Although this, utilize the device of conventional spray technology to realize the atomization of Electric radiant Heating Film coating, its spraying effect is unsatisfactory, is difficult to reach the requirement for preparing high-quality heat-generating pipe inwall Electric radiant Heating Film finished product.At first, the coating that traditional Electric radiant Heating Film paint spray coater is injected in surface of the work is the result of " concentrating on middle part, around diverging in ", thereby causes the uneven thickness of surface of the work Electric radiant Heating Film; Secondly, existing Electric radiant Heating Film atomizing effect can not meet high-level Electric radiant Heating Film processing request; Again, make Electric radiant Heating Film be adsorbed in efficiently surface of the work, the Electric radiant Heating Film paint spray coater should be able to be at steady operation under hot environment, and traditional Electric radiant Heating Film paint spray coater is considered the hot conditions of its work hardly.
In view of this, for solving the deficiency in above-mentioned technology, the research and development of the utility model people based on association area, and through constantly test and improvement, and then generation of the present utility model is arranged.
Summary of the invention
The purpose of this utility model is to provide a kind of shape special for the heat-generating pipe inwall, and the requirement of Electric radiant Heating Film spraying effect and working environment, be applicable to heat-generating pipe inwall Electric radiant Heating Film spraying, and can be at steady operation under hot environment, realize the sprayer of nano-spray.
For reaching above-mentioned purpose, the utility model provides a kind of sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film, and it comprises: shower nozzle and circulating water cooling device, and shower nozzle partly is embedded in circulating water cooling device, by welding, forms enclosed construction; Wherein
Described shower nozzle comprises:
Coating guide plug, inside has provided the coating pod apertures vertically, and the front end of coating guide plug is provided with the coating jet exit be connected with the coating pod apertures;
The shower nozzle cavity, coating guide mandrel segment stretches in the shower nozzle cavity, and there is gap the inside of the front end of coating guide plug and shower nozzle cavity, and the rear end of described shower nozzle cavity is provided with the stage casing, inside that venting channels is communicated to described shower nozzle cavity, and
Gas cap, be connected to the front end of shower nozzle cavity, and described gas cap front end offers venthole, and the interior forward end of gas cap is provided with wedge cavities, and described venthole is connected with described wedge cavities;
The rear end of described circulating water cooling device comprises:
Cooling water inlet;
Coolant outlet;
Feeding port, be connected with the coating pod apertures of coating guide plug; And
Air inlet, be connected with the venting channels of shower nozzle cavity rear end.
The described sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film, wherein, described coating guide plug and shower nozzle cavity are threaded connection.
The described sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film, wherein, the posterior segment of described coating guide plug is provided with external screw thread, and the rear end, inside of described shower nozzle cavity is provided with the internal thread matched with the external screw thread of coating guide plug.
The described sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film, wherein, described shower nozzle cavity and gas cap are threaded connection.
The described sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film, wherein, the profile of described shower nozzle cavity is stepped, the front end of shower nozzle cavity is miner diameter end, the rear end of shower nozzle cavity is bigger diameter end, the excircle of described miner diameter end is provided with external screw thread, and gas cap is provided with the internal thread matched with the external screw thread of miner diameter end.
The described sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film, wherein, can arrange flow distribution plate in the space between coating guide plug, shower nozzle cavity and gas cap, and this space also is connected with described venthole.
The described sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film, wherein, described shower nozzle and circulating water cooling device are the titanium alloy material.
The beneficial effects of the utility model are: the distance between described gas cap and coating jet exit 7 is adjustable, reaches the effect that different radii sprays, thereby is applicable to the Electric radiant Heating Film spraying of different size specification heat-generating pipes.The part of described shower nozzle is embedded in circulating water cooling device by welding, and shower nozzle and circulating water cooling device be the titanium alloy material, thereby guarantees that whole sprayer can be at steady operation under hot environment.
The accompanying drawing explanation
Fig. 1 is nozzle structure schematic diagram of the present utility model;
Fig. 2 is overall structure schematic diagram of the present utility model.
Description of reference numerals: 1-coating guide plug; 2-coating pod apertures; 3-shower nozzle cavity; The 4-gas cap; The 5-flow distribution plate; The 6-venthole; 7-coating jet exit; The 8-circulating water cooling device; The 9-shower nozzle; 10,13-cooling water outlet and inlet; The 11-air inlet; The 12-feeding port.
The specific embodiment
About the utility model is the application target that reaches above-mentioned and effect and the technological means that adopts, now enumerate better feasible embodiment, and coordinate shown in accompanying drawing, details are as follows:
As depicted in figs. 1 and 2, be respectively nozzle structure schematic diagram of the present utility model and overall structure schematic diagram.Sprayer of the present utility model mainly comprises: circulating water cooling device 8 and shower nozzle 9, and shower nozzle 9 parts are embedded in circulating water cooling device 8, and at soldering opening, place is welded the two, to form enclosed construction.
Described shower nozzle 9 mainly comprises: coating guide plug 1, shower nozzle cavity 3, gas cap 4, flow distribution plate 5 and coating jet exit 7.Described coating guide plug 1 inside has provided coating pod apertures 2 vertically, and the front end of coating guide plug 1 is provided with the coating jet exit 7 be connected with coating pod apertures 2.
In addition, the part of coating guide plug 1 stretches in shower nozzle cavity 3.Described coating guide plug 1 and shower nozzle cavity 3 can be threaded connection, and make the two form securing member.Concrete, the posterior segment of described coating guide plug 1 is provided with external screw thread, and the rear end, inside of described shower nozzle cavity 3 is provided with the internal thread matched with above-mentioned external screw thread, is threaded connection.The rear end of described shower nozzle cavity 3 is provided with the stage casing, inside that venting channels (not being shown in detail in figure) is communicated to described shower nozzle cavity 3, and there is gap coating guide plug 1 front end and shower nozzle cavity 3 inside, for airflow.
The profile of described shower nozzle cavity 3 is stepped, its front end is miner diameter end, rear end is bigger diameter end, the excircle of described miner diameter end is provided with external screw thread, gas cap 4 is provided with the internal thread matched with the external screw thread of miner diameter end, shower nozzle cavity 3 is threaded connection with gas cap 4, thus the spacing between capable of regulating shower nozzle cavity 3 and gas cap 4.
Described gas cap 4 front ends offer venthole 6, and the interior forward end of gas cap 4 is provided with chamfering, form wedge cavities (indicating in figure), and described venthole 6 is connected with described wedge cavities.
In space between coating guide plug 1, shower nozzle cavity 3 and gas cap 4, flow distribution plate 5 can be set, this space also is connected with described venthole 6, by adjusting the spacing of described gas cap 4 and shower nozzle cavity 3, can realize the spraying of different radii.
Especially as shown in Figure 2, circulating water cooling device 8 rear ends are fixed with cooling water inlet 10, air inlet 11, feeding port 12 and coolant outlet 13, feeding port 12 is connected with the coating pod apertures 2 of coating guide plug 1, cooling water inlet 10 and coolant outlet 13 are located at the both sides of circulating water cooling device 8 rear ends, so that recirculated water is cooling device efficiently, air inlet 11 is connected with the venting channels (not being shown in detail in figure) of shower nozzle cavity 3 rear ends.Thus, described shower nozzle 9 organically is connected as a single entity with circulating water cooling device 8, the two cooperatively interacts on structure and function, therefore can realize efficient, stable spraying operation.
The operation principle of sprayer of the present utility model is: sprayer radially moves in heat-generating pipe, entered the air of shower nozzle cavity 3 by air inlet 11, after the wedge cavities through being placed in coating guide plug 1 front end, form evenly to the surrounding jet-stream wind, the Electric radiant Heating Film coating that described air-flow ejects coating jet exit 7 straight lines impacts into spraying granule, and described spraying granule is sprayed ringwise in the heat-generating pipe inwall, thereby realize spraying; Shower nozzle cavity 3 is threaded connection with gas cap 4, can adjust the distance between coating jet exit 7 and gas cap 4, thereby realize the requirement of different radius of spray, is convenient to the Electric radiant Heating Film spraying of different size specification heat-generating pipes.
Described coating guide plug 1, shower nozzle cavity 3, gas cap 4, cooling water inlet 10, air inlet 11, feeding port 12, coolant outlet 13 are the titanium alloy material, thereby guarantee that whole sprayer can be at steady operation under hot environment.
Above is illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within the spirit limited in claim and scope, but they all will fall in protection domain of the present utility model.
Claims (8)
1. a sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film, is characterized in that, comprising: shower nozzle and circulating water cooling device, and shower nozzle partly is embedded in circulating water cooling device, by welding, forms enclosed construction; Wherein
Described shower nozzle comprises:
Coating guide plug, inside has provided the coating pod apertures vertically, and the front end of coating guide plug is provided with the coating jet exit be connected with the coating pod apertures;
The shower nozzle cavity, coating guide mandrel segment stretches in the shower nozzle cavity, and there is gap the inside of the front end of coating guide plug and shower nozzle cavity, and the rear end of described shower nozzle cavity is provided with the stage casing, inside that venting channels is communicated to described shower nozzle cavity, and
Gas cap, be connected to the front end of shower nozzle cavity, and described gas cap front end offers venthole, and the interior forward end of gas cap is provided with wedge cavities, and described venthole is connected with described wedge cavities;
The rear end of described circulating water cooling device comprises:
Cooling water inlet;
Coolant outlet;
Feeding port, be connected with the coating pod apertures of coating guide plug; And
Air inlet, be connected with the venting channels of shower nozzle cavity rear end.
2. the sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film according to claim 1, is characterized in that, described coating guide plug and shower nozzle cavity are threaded connection.
3. the sprayer that is applicable to heat-generating pipe inwall Electric radiant Heating Film spraying according to claim 2, it is characterized in that, the posterior segment of described coating guide plug is provided with external screw thread, and the rear end, inside of described shower nozzle cavity is provided with the internal thread matched with the external screw thread of coating guide plug.
4. the sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film according to claim 1, is characterized in that, described shower nozzle cavity and gas cap are threaded connection.
5. the sprayer that is applicable to heat-generating pipe inwall Electric radiant Heating Film spraying according to claim 4, it is characterized in that, the profile of described shower nozzle cavity is stepped, the front end of shower nozzle cavity is miner diameter end, the rear end of shower nozzle cavity is bigger diameter end, the excircle of described miner diameter end is provided with external screw thread, and gas cap is provided with the internal thread matched with the external screw thread of miner diameter end.
6. according to the described sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film of any one in claim 1 to 5, it is characterized in that, in space between coating guide plug, shower nozzle cavity and gas cap, flow distribution plate can be set, this space also is connected with described venthole.
7. according to the described sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film of any one in claim 1 to 5, it is characterized in that, described shower nozzle and circulating water cooling device are the titanium alloy material.
8. the sprayer that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film according to claim 6, is characterized in that, described shower nozzle and circulating water cooling device are the titanium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463229.XU CN203380040U (en) | 2013-07-31 | 2013-07-31 | Sprayer suitable for spraying of electrothermal film on inner wall of heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463229.XU CN203380040U (en) | 2013-07-31 | 2013-07-31 | Sprayer suitable for spraying of electrothermal film on inner wall of heating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203380040U true CN203380040U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320463229.XU Expired - Lifetime CN203380040U (en) | 2013-07-31 | 2013-07-31 | Sprayer suitable for spraying of electrothermal film on inner wall of heating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203380040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084351A (en) * | 2014-07-04 | 2014-10-08 | 长兴宏能电热膜元件厂 | Rotary mechanism for facilitating film spraying of electric heating pipe |
| CN107119891A (en) * | 2016-02-25 | 2017-09-01 | 夏普化学工业株式会社 | The construction method of architectural finish |
-
2013
- 2013-07-31 CN CN201320463229.XU patent/CN203380040U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084351A (en) * | 2014-07-04 | 2014-10-08 | 长兴宏能电热膜元件厂 | Rotary mechanism for facilitating film spraying of electric heating pipe |
| CN107119891A (en) * | 2016-02-25 | 2017-09-01 | 夏普化学工业株式会社 | The construction method of architectural finish |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
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| CX01 | Expiry of patent term |