CN202943007U - Spraying device suitable for spraying electric heating film on inner wall of heating pipe - Google Patents
Spraying device suitable for spraying electric heating film on inner wall of heating pipe Download PDFInfo
- Publication number
- CN202943007U CN202943007U CN 201220536082 CN201220536082U CN202943007U CN 202943007 U CN202943007 U CN 202943007U CN 201220536082 CN201220536082 CN 201220536082 CN 201220536082 U CN201220536082 U CN 201220536082U CN 202943007 U CN202943007 U CN 202943007U
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- Prior art keywords
- spraying
- heating film
- shower nozzle
- cavity
- nozzle
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 39
- 238000005507 spraying Methods 0.000 title claims abstract description 30
- 238000005485 electric heating Methods 0.000 title abstract 4
- 238000001816 cooling Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007888 film coating Substances 0.000 claims abstract description 14
- 238000009501 film coating Methods 0.000 claims abstract description 14
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract 2
- 238000007670 refining Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a spraying device suitable for spraying an electric heating film on the inner wall of a heating pipe. The spraying device disclosed by the utility model adopts the working principle that compressed air enters a sprayer cavity body from an air inlet and then passes through an airflow refining ring and a wedged cavity, which are sleeved on the front end of a sprayer conduit, to form supersonic airflow which is uniformly sprayed all around; the airflow can impact an electric heating film coating material spayed from a nozzle in a straight line into spray particles the sizes of which are below 1 micron, the spraying particles are sprayed on the inner wall of the heating pipe in a ring-shaped manner, and thus nanometer spraying is realized; the sprayer cavity body is matched with an air cap by virtue of a nut and a thread so as to adjust the distance between the nozzle and the air cap, so that the requirements on different spraying radiuses are met, and the spraying on heating pipes with different specifications is convenient; and the sprayer is welded in a circulating water cooling device, only the air cap is exposed, the spaying operation of the electric heating film coating material is performed through the outlet at the front end of the air cap, the sprayer and the circulating water cooling device are made of a titanium alloy material, and thus the whole device can work stably in a high-temperature environment.
Description
[technical field]
The utility model relates to a kind of injection apparatus, 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 injection apparatus 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.
Directly determine resistivity and the power of Electric radiant Heating Film due to the thickness of coating, 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 coating jeting device, 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, with atomize after high pressure draught mixes, Electric radiant Heating Film coating and gases at high pressure after atomizing together are ejected into surface of the work to be painted.Although this device that utilizes the conventional spray technology has been realized the atomizing of Electric radiant Heating Film, its spraying effect can not be realized the quality requirement of heat-generating pipe inwall Electric radiant Heating Film finished product ideally.At first, the coating that traditional Electric radiant Heating Film coating jeting device is injected in surface of the work be " concentrate on the middle part, disperse with in around " result, thereby cause the uneven thickness of surface of the work Electric radiant Heating Film; Secondly, existing Electric radiant Heating Film atomizing effect can not satisfy 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 coating jeting device should be able to be at steady operation under hot environment, and traditional Electric radiant Heating Film coating jeting device is considered the hot conditions of its work hardly.
A kind of injection apparatus that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film that the utility model is related, its operation principle is: injection apparatus radially moves in heat-generating pipe; Entered the compressed air of shower nozzle cavity by air inlet, after through the air-flow refinement circle and wedge chamber that are placed in the nozzle conduit front end, form the supersonic airstream that evenly sprays to surrounding, the Electric radiant Heating Film coating that described supersonic airstream ejects the nozzle straight line impacts into the spraying granule of size below 1 μ m, and described spraying granule is sprayed ringwise in the heat-generating pipe inwall, thereby realize nano-spray; Shower nozzle cavity and gas cap are carried out nut, threaded engagement, are used for adjusting the distance between nozzle and gas cap, thereby realize the requirement of different radius of spray, are convenient to the spraying of different size specification heat-generating pipes; Shower nozzle is embedded in circulating water cooling device, and only expose the gas cap part, carry out the spraying operation of Electric radiant Heating Film coating by the pore of gas cap front end, and shower nozzle and circulating water cooling device be the titanium alloy material, thereby be conducive to whole device steady operation under hot environment.
[summary of the invention]
Technical problem to be solved in the utility model is: for the special shape of heat-generating pipe inwall, and the requirement of Electric radiant Heating Film spraying effect and working environment, provide 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 injection apparatus of nano-spray.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of injection apparatus that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film comprises shower nozzle and circulating water cooling device, it is characterized in that, make the part of described shower nozzle be embedded in circulating water cooling device by welding, described shower nozzle comprises:
Gas cap, this gas cap offers Electric radiant Heating Film coating jet exit at its leading section, and described gas cap inside is provided with internal thread, and described gas cap interior forward end is provided with chamfering, to form a circle wedge chamber;
Air-flow refinement circle, this air-flow refinement circle center are provided with a trepanning, and the circle body of described air-flow refinement circle is provided with several small sircle holes of the same size from top to down equably;
Nozzle conduit, this nozzle conduit front end is a nozzle, and described nozzle directly is connected with the internal diameter of this nozzle conduit internal circulation coating, and the posterior segment of described nozzle conduit is provided with external screw thread;
The shower nozzle cavity, this shower nozzle cavity is provided with external screw thread greater than the cavity internal diameter less than the part of cavity external diameter at its front end, and the rear end of the inside cavity of described shower nozzle cavity is provided with internal thread, and described shower nozzle cavity rear end is provided with the stage casing that breather pipe is connected to described inside cavity;
Described circulating water cooling device is provided with feeding port, cooling water inlet, coolant outlet, air inlet in its back-end.
The air-flow that described small sircle hole flows out is through behind described wedge chamber, and formation can become the Electric radiant Heating Film fluid challenge supersonic airstream of the 1 following particle of μ m.
Described shower nozzle and circulating water cooling device meet the requirement of hot environment work, can be under operating ambient temperature more than 600 degrees centigrade steady operation.
Described gas cap, air-flow refinement circle, nozzle conduit, shower nozzle cavity, feeding port, cooling water inlet, coolant outlet, air inlet are the titanium alloy material.
The beneficial effects of the utility model are: the Electric radiant Heating Film spraying granule that described shower nozzle sprays has been realized nano-spray below 1 μ m.Distance between described gas cap and nozzle 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 injection apparatus can be at steady operation under hot environment.
[description of drawings]
Fig. 1 is overall structure figure of the present utility model;
Fig. 2 is nozzle conduit;
Fig. 3 is the shower nozzle cavity;
Fig. 4 is gas cap;
[specific embodiment]
As shown in the figure, the related injection apparatus of the utility model is made of shower nozzle 2 and circulating water cooling device 1, and shower nozzle is embedded in circulating water cooling device, at the soldering opening place to both welding, to form enclosed construction.
Circulating water cooling device 1 rear end is fixed with feeding port 5, cooling water outlet and inlet 3 and 6, air inlet 4, feeding port 5 directly is connected with nozzle conduit 12, cooling water outlet and inlet 3 and 6 is located at the two ends at circulating water cooling device 1 rear portion, so that recirculated water is cooling device efficiently, air inlet 4 is connected with the breather pipe of shower nozzle cavity 9 rear ends.Described shower nozzle 2 organically is connected as a single entity with circulating water cooling device 1, both cooperatively interacts on structure and function, therefore can realize efficient, stable spraying operation.
Claims (4)
1. an injection apparatus that is applicable to the spraying of heat-generating pipe inwall Electric radiant Heating Film, comprise shower nozzle and circulating water cooling device, it is characterized in that, make the part of described shower nozzle be embedded in circulating water cooling device by welding, described shower nozzle comprises:
Gas cap, this gas cap offers Electric radiant Heating Film coating jet exit at its leading section, and described gas cap inside is provided with internal thread, and described gas cap interior forward end is provided with chamfering, to form a circle wedge chamber;
Air-flow refinement circle, this air-flow refinement circle center are provided with a trepanning, and the circle body of described air-flow refinement circle is provided with several small sircle holes of the same size from top to down equably;
Nozzle conduit, this nozzle conduit front end is a nozzle, and described nozzle directly is connected with the internal diameter of this nozzle conduit internal circulation coating, and the posterior segment of described nozzle conduit is provided with external screw thread;
The shower nozzle cavity, this shower nozzle cavity is provided with external screw thread greater than the cavity internal diameter less than the part of cavity external diameter at its front end, and the rear end of the inside cavity of described shower nozzle cavity is provided with internal thread, and described shower nozzle cavity rear end is provided with the stage casing that breather pipe is connected to described inside cavity;
Described circulating water cooling device is provided with feeding port, cooling water inlet, coolant outlet, air inlet in its back-end.
2. a kind of injection apparatus that is applicable to heat-generating pipe inwall Electric radiant Heating Film spraying according to claim 1, it is characterized in that, the air-flow that described small sircle hole flows out is through behind described wedge chamber, and formation can be impacted into Electric radiant Heating Film coating the supersonic airstream of the 1 following particle of μ m.
3. a kind of injection apparatus that is applicable to heat-generating pipe inwall Electric radiant Heating Film spraying according to claim 1, it is characterized in that, described shower nozzle and circulating water cooling device meet the requirement of hot environment work, can be under operating ambient temperature more than 600 degrees centigrade steady operation.
4. a kind of injection apparatus that is applicable to heat-generating pipe inwall Electric radiant Heating Film spraying according to claim 1, it is characterized in that, described gas cap, air-flow refinement circle, nozzle conduit, shower nozzle cavity, feeding port, cooling water inlet, coolant outlet, air inlet are the titanium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536082 CN202943007U (en) | 2012-10-11 | 2012-10-11 | Spraying device suitable for spraying electric heating film on inner wall of heating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220536082 CN202943007U (en) | 2012-10-11 | 2012-10-11 | Spraying device suitable for spraying electric heating film on inner wall of heating pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202943007U true CN202943007U (en) | 2013-05-22 |
Family
ID=48418723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220536082 Expired - Fee Related CN202943007U (en) | 2012-10-11 | 2012-10-11 | Spraying device suitable for spraying electric heating film on inner wall of heating pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202943007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909157A (en) * | 2012-10-11 | 2013-02-06 | 浙江师范大学 | Injection device suitable for spraying electrothermal film on inner wall of heating tube |
-
2012
- 2012-10-11 CN CN 201220536082 patent/CN202943007U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909157A (en) * | 2012-10-11 | 2013-02-06 | 浙江师范大学 | Injection device suitable for spraying electrothermal film on inner wall of heating tube |
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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: 20130522 Termination date: 20131011 |