CN115043600A - Online coating process and device for medium boron glass tube - Google Patents
Online coating process and device for medium boron glass tube Download PDFInfo
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- CN115043600A CN115043600A CN202210753651.2A CN202210753651A CN115043600A CN 115043600 A CN115043600 A CN 115043600A CN 202210753651 A CN202210753651 A CN 202210753651A CN 115043600 A CN115043600 A CN 115043600A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/42—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating of an organic material and at least one non-metal coating
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Materials Engineering (AREA)
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Abstract
The invention provides an online coating process and an online coating device for a medium boron glass tube, wherein the online coating process for the medium boron glass tube comprises the following steps: A. enabling the medium boron glass tube to pass through the first coating chamber at a constant speed; B. conveying monosilane, ethylene and nitrogen to a first mixing chamber for mixing, and conveying oxygen, helium and nitrogen to a second mixing chamber for mixing; C. spraying a nozzle in the first coating chamber of the mixed gas onto the medium boron glass tube; D. enabling the medium boron glass tube to pass through the second coating chamber at a constant speed; E. and uniformly mixing the Tween 80 and water, and conveying the mixture to a nozzle of a second coating chamber through a spraying pump to spray the surface of the boron glass tube. The on-line coating device for the medium boron glass tube comprises a first coating component, a second coating component and a traction component; a plurality of first nozzles are arranged in a first coating chamber of the first coating component and are suitable for spraying gas to the surface of the glass tube; and a plurality of second nozzles are arranged in a second coating chamber of the second coating component and are suitable for spraying liquid to the surface of the glass tube.
Description
Technical Field
The invention belongs to the technical field of glass tube coating, and particularly relates to an on-line coating process and device for a medium boron glass tube.
Background
Neutral borosilicate glass is glass with excellent chemical stability, has higher boron content and lower alkali metal content in component composition compared with low borosilicate glass and soda-lime glass, and is an internationally recognized safe medicine package material. Neutral borosilicate glass has long been used in all injection production in developed countries.
The production process of the neutral borosilicate glass tube comprises the stages of melting, forming, runway annealing, tractor, primary cutting, fine cutting, packaging and the like from front to back. After the neutral boron glass is initially cut, glass can generate scraps, and the glass tubes are scratched when being contacted with each other or being contacted with a roller way in the roller way conveying process, so that soap spraying and film coating treatment are required.
However, after the neutral borosilicate glass tube is initially cut, the edge of the glass tube needs to be subjected to flame heating for fine cutting and rounding processes, and at the moment, the sprayed soap disappears due to high-temperature vaporization, so that the glass tube can be scratched in the conveying process.
Disclosure of Invention
The embodiment of the invention provides an on-line coating process and device for a medium boron glass tube, and aims to solve the technical problem that in the prior art, when a soap-sprayed and coated glass tube is subjected to flame heating for fine cutting and round-opening processes, the soap spray disappears due to high-temperature vaporization, so that the glass tube can be scratched in the conveying process.
In order to achieve the purpose, the invention adopts the technical scheme that:
in a first aspect, an embodiment of the present invention provides an on-line coating process for a medium boron glass tube, including the following steps:
A. enabling the medium boron glass tube to pass through a first coating chamber at a constant speed, wherein the temperature in the first coating chamber is 600-800 ℃;
C. mixing monosilane, ethylene, nitrogen, oxygen and helium, and spraying the mixture onto a medium boron glass tube through a nozzle in the first coating chamber to form a layer of silicon dioxide hard film on the medium boron glass tube;
D. enabling the medium boron glass tube to pass through a second coating chamber at a constant speed, wherein the temperature in the second coating chamber is 100-280 ℃;
E. and uniformly mixing Tween 80 and water, conveying the mixed liquid to a nozzle of the second coating chamber through a spraying pump to spray the surface of the boron-centered glass tube, and forming a layer of soft film on the silica hard film on the boron-centered glass tube.
With reference to the first aspect, in a possible implementation manner, between the step a and the step C, there is a step B of delivering the monosilane, the ethylene, and the nitrogen to the first mixing chamber for mixing, and delivering the oxygen, the helium, and the nitrogen to the second mixing chamber for mixing.
And conveying the oxygen, the helium and the nitrogen to a second mixing chamber for mixing.
3. With reference to the first aspect, in one possible implementation manner, in the steps a to E, the movement speed of the medium boron glass tube is 100m/min to 800 m/min.
With reference to the first aspect, in a possible implementation manner, in the step C, when the movement speed of the medium boron glass tube is 100-800 m/min, the total flow of the mixed gas is 6-60 slpm, wherein 3-30 slpm of nitrogen, 2-30 slpm of helium, 0.05-0.1 slpm of oxygen, 0.01-0.1 slpm of silane, 1-10 slpm of ethylene, and the thickness of the hard silicon dioxide film is 20-1000 nm; the pressure of the mixed gas is 0.05-0.2 MPa during film coating.
With reference to the first aspect, in a possible implementation manner, when the movement speed of the medium boron glass tube is 100m/min, the total flow of the mixed gas is 6.56-9.2 slpm, wherein 3-5 slpm of nitrogen, 2.5-3 slpm of helium, 0.05-0.08 slpm of oxygen, 0.01-0.02 slpm of silane, 1-1.1 slpm of ethylene, and the thickness of the hard silicon dioxide film is 20 nm; the pressure of the mixed gas is 0.05-0.2 MPa during film coating.
With reference to the first aspect, in one possible implementation manner, in step E, the total flow rate of the mixed liquid is 4.3L/h, wherein the ratio of tween 80 to water is 1: 25, the output pressure of the spraying pump is 0.04-0.08 MPa.
With reference to the first aspect, in a possible implementation manner, in the step C, the waste gas generated by the film coating is led out by a fan, and then diluted and combusted; and E, pumping the waste gas generated after spraying away by a waste gas fan for treatment.
In a second aspect, an embodiment of the present invention provides an on-line coating apparatus for a medium boron glass tube, which is characterized in that the on-line coating process for a medium boron glass tube includes:
the outer side of the first film coating component is provided with an air inlet, the inner side of the first film coating component is provided with a first film coating chamber, and a plurality of first nozzles are arranged in the first film coating chamber and are suitable for spraying air to the surface of the medium boron glass tube;
the outer side of the second coating component is provided with a water inlet, the inner side of the second coating component is provided with a second coating chamber, and a plurality of second nozzles are arranged in the second coating chamber and are suitable for spraying liquid on the surface of the medium boron glass tube;
and the traction assembly is suitable for drawing the medium boron glass tube so that the medium boron glass tube passes through the first coating chamber and the second coating chamber at a constant speed.
With reference to the second aspect, in a possible implementation manner, the first film plating assembly includes a first frame body, an annular frame, a plurality of air inlet pipes, and a plurality of first nozzles; the middle part of the first frame body is provided with the first coating chamber which penetrates through two sides of the first frame body, and two ends of the first coating chamber are suitable for being connected with the medium boron glass tube in a sealing way; an annular chamber is further arranged in the first frame body, an annular groove is further arranged between the annular chamber and the first coating chamber, and the annular groove is communicated with the annular chamber; the annular frame penetrates through the annular groove to be connected with the first frame body in a rotating and sealing mode, a sealing cavity is formed between the annular frame and the annular cavity, and the first nozzles are arranged on the annular frame and communicated with the sealing cavity; a plurality of baffles are arranged on the periphery of the annular frame and are arranged in the sealing cavity, one end of each of a plurality of first air inlet pipes penetrates through the first frame body and the annular cavity, and the first air inlet pipes are suitable for introducing air into the sealing cavity and blow the air to drive the baffles and further drive the annular frame to rotate relative to the first frame body.
With reference to the second aspect, in a possible implementation manner, the second coating assembly includes a second frame body and a plurality of second nozzles, a second coating chamber penetrating through two sides of the second frame body is arranged in the middle of the second frame body, two ends of the second coating chamber are suitable for being hermetically connected with a medium boron glass tube, and the plurality of second nozzles are arranged in the second coating chamber and connected with the second frame body; the traction assembly comprises a traction roller and a plurality of carrier rollers, the traction roller is arranged between the first film coating assembly and the second film coating assembly, and the carrier rollers are arranged on the first film coating assembly, far away from the traction roller and one side of the first film coating assembly, far away from the second film coating assembly, and far away from the traction roller.
The on-line coating process for the medium boron glass tube provided by the invention has the beneficial effects that: compared with the prior art, the on-line coating process for the medium boron glass tube provided by the invention has the advantages that the glass tube firstly passes through the first coating chamber, a compact silicon dioxide hard film is coated on the glass tube, then the glass tube passes through the second coating chamber, and a saponification soft film is coated on the outer side of the silicon dioxide hard film; the soft film is used for preventing the glass tube from being scratched due to excessive glass scraps generated in the primary cutting process of the glass tube and preventing the glass tube from being scratched by a roller way; the silicon dioxide hard film is used for preventing the glass tubes from colliding and rubbing with each other in the transportation process to cause scratches after the soft film is vaporized and disappears; meanwhile, the saponified soft film disappears, so that the film layer on the surface of the glass tube is thin enough, and the transmittance of the glass tube is improved.
The on-line coating device for the medium boron glass tube has the beneficial effects that: compared with the prior art, the online coating device for the medium boron glass tube can coat a layer of silicon dioxide hard film and a layer of chemical soft film on the glass tube in sequence; the soft film is used for preventing the glass tube from being scratched due to excessive glass scraps generated in the primary cutting process of the glass tube and preventing the glass tube from being scratched by a roller way; the silicon dioxide hard film is used for preventing the glass tubes from colliding and rubbing with each other in the transportation process to cause scratches after the soft film is vaporized and disappears; meanwhile, the saponified soft film disappears, so that the film layer on the surface of the glass tube is thin enough, and the transmittance of the glass tube is improved.
Drawings
FIG. 1 is a schematic structural diagram of a front view of an on-line coating device for a medium boron glass tube according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a first coating assembly of an in-line coating apparatus for a medium boron glass tube according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a first coating assembly of the in-line coating apparatus for a medium boron glass tube according to an embodiment of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a sectional view taken along line B-B of FIG. 4;
FIG. 6 is a schematic structural diagram of a front view of a second coating assembly of the on-line coating device for a medium boron glass tube, provided by the embodiment of the invention;
FIG. 7 is a schematic cross-sectional view of a second coating assembly of an in-line boron glass tube coating device according to an embodiment of the present invention
Description of reference numerals:
10. a first frame body; 11. an annular frame; 12. an air inlet pipe; 13. a first nozzle;
14. a first film coating chamber; 15. an annular chamber; 16. a baffle plate; 20. a second frame body;
21. a second nozzle; 22. a second coating chamber; 31. a traction roller; 32. and (4) a carrier roller.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 7, the on-line coating process and apparatus for a medium boron glass tube according to the present invention will now be described.
An on-line coating process for a medium boron glass tube comprises the following steps:
A. enabling the medium boron glass tube to pass through a first coating chamber at a constant speed, wherein the temperature in the first coating chamber is 600-800 ℃, and preferably 680-700 ℃;
B. conveying monosilane, ethylene and nitrogen to a first mixing chamber for mixing, and conveying oxygen, helium and nitrogen to a second mixing chamber for mixing; reducing premature reaction of monosilane and oxygen;
C. mixing monosilane, ethylene, nitrogen, oxygen and helium, wherein when the movement speed of a medium boron glass tube is 100-800 m/min, the total flow of the mixed gas is 6-60 slpm, wherein the nitrogen is 3-30 slpm, the helium is 2-30 slpm, the oxygen is 0.05-0.1 slpm, the silane is 0.01-0.1 slpm, the ethylene is 1-10 slpm, and the thickness of a silicon dioxide hard film is 20-1000 nm; the pressure of the mixed gas is 0.05-0.2 Mpa during film coating; preferably, the movement speed of the medium boron glass tube is 100m/min, the total flow of the mixed gas is 6.56-9.2 slpm, wherein the nitrogen is 3-5 slpm, the helium is 2.5-3 slpm, the oxygen is 0.05-0.08 slpm, the silane is 0.01-0.02 slpm, the ethylene is 1-1.1 slpm, and the thickness of the silicon dioxide hard film is 20 nm; the pressure of the mixed gas is 0.1MPa during film coating, and the mixed gas is sprayed onto the medium boron glass tube through a nozzle in the first film coating chamber to form a layer of silicon dioxide hard film on the medium boron glass tube;
D. enabling the medium boron glass tube to pass through a second coating chamber at a constant speed, wherein the temperature in the second coating chamber is 100-280 ℃, and preferably 150 ℃;
E. uniformly mixing Tween 80 and water, wherein the total flow of the mixed liquid is 4.3L/h, and the proportion of Tween 80 to water is 1: 25, conveying the mixed liquid to a nozzle of a second coating chamber through a spraying pump to spray the surface of the medium boron glass tube, and forming a soft film on the silicon dioxide hard film on the medium boron glass tube, wherein the output pressure of the spraying pump is 0.04-0.08 MPa.
And C, leading out waste gas generated by coating by a fan, and then diluting and burning.
And E, pumping the waste gas generated after spraying away by a waste gas fan for treatment.
The online coating process for the medium boron glass tube provided by the embodiment has the beneficial effects that: compared with the prior art, the on-line coating process for the medium boron glass tube provided by the embodiment comprises the steps of enabling the glass tube to pass through a first coating chamber, coating a compact silicon dioxide hard film on the glass tube, enabling the glass tube to pass through a second coating chamber, and coating a saponification soft film on the outer side of the silicon dioxide hard film; the soft film is used for preventing the glass tube from being scratched due to excessive glass scraps generated in the primary cutting process of the glass tube on one hand, and is used for preventing the glass tube from being scratched by a roller way on the other hand; the silicon dioxide hard film is used for preventing the glass tubes from colliding and rubbing with each other in the transportation process to cause scratches after the soft film is vaporized and disappears; meanwhile, the saponified soft film disappears, so that the film layer on the surface of the glass tube is thin enough, and the transmittance of the glass tube is improved.
Based on the same invention concept, the embodiment of the application also provides an online coating device of the medium boron glass tube in the online coating process, which is characterized in that the online coating process of the medium boron glass tube is applied, and comprises a first coating component, a second coating component and a traction component; the outer side of the first coating group is provided with an air inlet, the inner side of the first coating group is provided with a first coating chamber 14, and a plurality of first nozzles 13 are arranged in the first coating chamber 14 and are suitable for spraying air to the surface of the medium boron glass tube; the outer side of the second coating component is provided with a water inlet, the inner side of the second coating component is provided with a second coating chamber 22, and a plurality of second nozzles 21 are arranged in the second coating chamber 22 and are suitable for spraying liquid on the surface of the medium boron glass tube; the traction assembly is suitable for drawing the medium boron glass tube so that the medium boron glass tube passes through the first coating chamber 14 and the second coating chamber 22 at a constant speed.
Specifically, the traction component pulls the glass tube to sequentially pass through the first coating chamber 14 and the second coating chamber 22 at a speed of 100m/min, and the first coating component is arranged in a 600-800 ℃ area on a production line, preferably 680-700 ℃; then, introducing mixed gas (3-5 slpm of nitrogen, 2.5-3 slpm of helium, 0.05-0.08 slpm of oxygen, 0.01-0.02 slpm of silane and 1-1.1 slpm of ethylene) with the total flow of 6.56-9.2 slpm into the first coating chamber 14 through the first nozzle 13 to form a layer of compact silicon dioxide hard film on the glass tube; arranging a second coating component in an area of 100-280 ℃, and mixing Tween 80 and water according to the ratio of 1: 25, spraying the mixture on the surface of a glass tube at a flow rate of 4.3L/h, and forming a layer of saponified soft film on the outer layer of the silicon dioxide hard film.
The online coating device for the medium boron glass tube provided by the embodiment has the beneficial effects that: compared with the prior art, the online coating device for the medium boron glass tube can coat a layer of silicon dioxide hard film and a layer of chemical film on the glass tube in sequence; the soft film is used for preventing the glass tube from being scratched due to excessive glass scraps generated in the primary cutting process of the glass tube and preventing the glass tube from being scratched by a roller way; the silicon dioxide hard film is used for preventing the glass tubes from colliding and rubbing with each other in the transportation process to cause scratches after the soft film is vaporized and disappears; meanwhile, the saponified soft film disappears, so that the film layer on the surface of the glass tube is thin enough, and the transmittance of the glass tube is improved.
As shown in fig. 1 to 5, in a specific embodiment, the first coating assembly includes a first frame body 10, an annular frame 11, a plurality of air inlet pipes 12, and a plurality of first nozzles 13; the middle part of the first frame body 10 is provided with a first coating chamber 14 which penetrates through two sides of the first frame body 10, and two ends of the first coating chamber 14 are suitable for being connected with the medium boron glass tube in a sealing way; an annular chamber 15 is further arranged inside the first frame body 10, an annular groove is further arranged between the annular chamber 15 and the first coating chamber 14, and the annular groove is communicated with the annular chamber 15; the annular frame 11 penetrates through the annular groove to be connected with the first frame body 10 in a rotating and sealing mode, a sealing cavity is formed between the annular frame 11 and the annular cavity 15, and the first nozzles 13 are arranged on the annular frame 11 and communicated with the sealing cavity; a plurality of baffles 16 are arranged on the upper periphery of the annular frame 11, the baffles 16 are arranged in the sealing cavity, the uniform ends of the first air inlet pipes 12 penetrate through the first frame body 10 and are communicated with the annular cavity 15, gas is introduced into the sealing cavity, and the baffles 16 are blown to drive the annular frame 11 to rotate relative to the first frame body 10.
Specifically, three first nozzles 13 are uniformly distributed on the annular frame 11 around the glass tube; the three air inlet pipes 12 are uniformly distributed on the outer side of the first frame body 10, and the uniform ends penetrate into the annular chamber 15; during operation, the mixed gas is respectively introduced into the sealing cavity through the three air inlet pipes 12, the annular frame 11 is driven to rotate by blowing the baffle 16 on the annular frame 11, and then the first nozzle 13 is driven to rotate around the glass tube, so that the spraying of the glass tube is more uniform, and the quality of the film coating of the glass tube is improved.
As shown in fig. 1 to 7, in a specific embodiment, the second coating assembly includes a second frame 20 and a plurality of second nozzles 21, a second coating chamber 22 is disposed in the middle of the second frame 20 and penetrates through two sides of the second frame 20, two ends of the second coating chamber 22 are adapted to be hermetically connected to a medium boron glass tube, and the plurality of second nozzles 21 are disposed in the second coating chamber 22 and connected to the second frame 20; the traction assembly comprises a traction roller 31 and a plurality of carrier rollers 32, the traction roller 31 is arranged between the first film coating assembly and the second film coating assembly, and the plurality of carrier rollers 32 are arranged on one side of the first film coating assembly, which is far away from the traction roller 31, and on one side of the second film coating assembly, which is far away from the traction roller 31; the number of the second nozzles 21 is also three, and the second nozzles are uniformly distributed on the second frame body 20 around the glass tube.
It should be noted that, in order to improve the transmittance of the glass tube, the silica hard film cannot be too thick, if the silica hard film is worn on the production line, the glass tube may be scratched during later transportation, and the silica hard film cannot reduce the fragments generated during the initial cutting of the glass tube; therefore, a saponified soft film is required to be plated on the outer layer of the hard silicon dioxide film as a sacrificial film so as to reduce glass scraps in the primary cutting process and simultaneously protect the hard silicon dioxide film from abrasion.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The on-line coating process of the medium boron glass tube is characterized by comprising the following steps of:
A. enabling the medium boron glass tube to pass through a first coating chamber at a constant speed, wherein the temperature in the first coating chamber is 600-800 ℃;
C. mixing monosilane, ethylene, nitrogen, oxygen and helium, and spraying the mixture onto a medium boron glass tube through a nozzle in the first coating chamber to form a layer of silicon dioxide hard film on the medium boron glass tube;
D. enabling the medium boron glass tube to pass through a second coating chamber at a constant speed, wherein the temperature in the second coating chamber is 100-280 ℃;
E. and uniformly mixing the Tween 80 and water, conveying the mixed liquid to a nozzle of the second coating chamber through a spraying pump to spray the surface of the medium boron glass tube, and forming a layer of soft film on the silicon dioxide hard film on the medium boron glass tube.
2. The in-line coating process for a medium boron glass tube as claimed in claim 1, wherein a step B is further provided between the step A and the step C, the monosilane, ethylene and nitrogen are supplied to the first mixing chamber to be mixed, and the oxygen, helium and nitrogen are supplied to the second mixing chamber to be mixed.
3. The on-line coating process of the medium boron glass tube as claimed in claim 1, wherein in the steps A to E, the moving speed of the medium boron glass tube is 100m/min to 800 m/min.
4. The on-line coating process of the medium boron glass tube as claimed in claim 3, wherein in the step C, when the movement speed of the medium boron glass tube is 100-800 m/min, the total flow of the mixed gas is 6-60 slpm, wherein the nitrogen is 3-30 slpm, the helium is 2-30 slpm, the oxygen is 0.05-0.1 slpm, the silane is 0.01-0.1 slpm, the ethylene is 1-10 slpm, and the thickness of the hard silica film is 20-1000 nm; the pressure of the mixed gas is 0.05-0.2 MPa during film coating.
5. The on-line coating process of the medium boron glass tube as claimed in claim 4, wherein when the movement speed of the medium boron glass tube is 100m/min, the total flow of the mixed gas is 6.56-9.2 slpm, wherein the nitrogen is 3-5 slpm, the helium is 2.5-3 slpm, the oxygen is 0.05-0.08 slpm, the silane is 0.01-0.02 slpm, the ethylene is 1-1.1 slpm, and the thickness of the hard silica film is 20 nm; the pressure of the mixed gas is 0.05-0.2 MPa during film coating.
6. The on-line coating process of a medium boron glass tube according to claim 3, wherein in the step E, the total flow of the mixed liquid is 4.3L/h, wherein the ratio of the Tween 80 to the water is 1: 25, the output pressure of the spraying pump is 0.04-0.08 MPa.
7. The on-line coating process of a medium boron glass tube according to claim 6, wherein in the step C, waste gas generated by coating is led out by a fan and then diluted and combusted; and E, pumping the waste gas generated after spraying away by a waste gas fan for treatment.
8. An on-line coating device for a medium boron glass tube in an on-line coating process, which is characterized by applying the on-line coating process for the medium boron glass tube according to any one of claims 1 to 7, and comprises the following steps:
the outer side of the first coating component is provided with an air inlet, the inner side of the first coating component is provided with a first coating chamber (14), and a plurality of first nozzles (13) are arranged in the first coating chamber (14) and are suitable for spraying air to the surface of the medium boron glass tube;
the outer side of the second coating component is provided with a water inlet, the inner side of the second coating component is provided with a second coating chamber (22), and a plurality of second nozzles (21) are arranged in the second coating chamber (22) and are suitable for spraying liquid on the surface of the medium boron glass tube; and
and the traction assembly is suitable for drawing the medium boron glass tube so that the medium boron glass tube passes through the first coating chamber (14) and the second coating chamber (22) at a constant speed.
9. The on-line coating device for the medium boron glass tube according to claim 8, wherein the first coating assembly comprises a first frame body (10), an annular frame (11), a plurality of air inlet tubes (12) and a plurality of first nozzles (13); the middle part of the first frame body (10) is provided with the first coating chamber (14) which penetrates through two sides of the first frame body (10), and two ends of the first coating chamber (14) are suitable for being connected with the medium boron glass tube in a sealing manner; an annular chamber (15) is further arranged inside the first frame body (10), an annular groove is further formed between the annular chamber (15) and the first film coating chamber (14), and the annular groove is communicated with the annular chamber (15); the annular frame (11) penetrates through the annular groove to be connected with the first frame body (10) in a rotating and sealing mode, a sealing cavity is formed between the annular frame (11) and the annular cavity (15), and the first nozzles (13) are arranged on the annular frame (11) and communicated with the sealing cavity; a plurality of baffles (16) are arranged on the periphery of the annular frame (11) in a distributed mode, the baffles (16) are arranged in the sealed cavity, the uniform ends of a plurality of first air inlet pipes (12) penetrate through the first frame body (10) and the annular cavity (15) and are suitable for introducing air into the sealed cavity to blow the baffles (16) and then drive the annular frame (11) to rotate the first frame body (10).
10. The on-line coating device for the medium boron glass tube as claimed in claim 8, wherein the second coating component comprises a second frame body (20) and a plurality of second nozzles (21), the second coating chamber (22) penetrating through two sides of the second frame body (20) is arranged in the middle of the second frame body (20), two ends of the second coating chamber (22) are suitable for being connected with the medium boron glass tube in a sealing mode, and the plurality of second nozzles (21) are arranged in the second coating chamber (22) and connected with the second frame body (20); the traction assembly comprises a traction roller (31) and a plurality of carrier rollers (32), the traction roller (31) is arranged between the first film coating assembly and the second film coating assembly, the carrier rollers (32) are arranged at the positions, far away from the traction roller (31) and one side, of the first film coating assembly, of the second film coating assembly, of the traction roller (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210753651.2A CN115043600B (en) | 2022-06-28 | 2022-06-28 | Online coating process and device for medium boron glass tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210753651.2A CN115043600B (en) | 2022-06-28 | 2022-06-28 | Online coating process and device for medium boron glass tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115043600A true CN115043600A (en) | 2022-09-13 |
| CN115043600B CN115043600B (en) | 2023-05-26 |
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| CN202210753651.2A Active CN115043600B (en) | 2022-06-28 | 2022-06-28 | Online coating process and device for medium boron glass tube |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057461A (en) * | 2008-06-09 | 2011-05-11 | 松下电器产业株式会社 | Glass tube for fluorescent lamp, fluorescent lamp, and lighting system |
| CN102584023A (en) * | 2012-02-22 | 2012-07-18 | 株洲旗滨集团股份有限公司 | Solar control coated glass preparation method and glass thereof |
| CN104342624A (en) * | 2014-03-21 | 2015-02-11 | 宁波海燕家电玻璃技术有限公司 | Method for manufacturing high-temperature-resisting black borosilicate glass |
| CN214244223U (en) * | 2020-10-20 | 2021-09-21 | 凯盛君恒有限公司 | Neutral borosilicate glass pipe surface coating spraying equipment |
| CN113754267A (en) * | 2021-08-04 | 2021-12-07 | 甘肃旭康材料科技有限公司 | Glass tube scratch-resistant method, glass tube scratch-resistant device and glass tube cutting system |
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- 2022-06-28 CN CN202210753651.2A patent/CN115043600B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057461A (en) * | 2008-06-09 | 2011-05-11 | 松下电器产业株式会社 | Glass tube for fluorescent lamp, fluorescent lamp, and lighting system |
| CN102584023A (en) * | 2012-02-22 | 2012-07-18 | 株洲旗滨集团股份有限公司 | Solar control coated glass preparation method and glass thereof |
| CN104342624A (en) * | 2014-03-21 | 2015-02-11 | 宁波海燕家电玻璃技术有限公司 | Method for manufacturing high-temperature-resisting black borosilicate glass |
| CN214244223U (en) * | 2020-10-20 | 2021-09-21 | 凯盛君恒有限公司 | Neutral borosilicate glass pipe surface coating spraying equipment |
| CN113754267A (en) * | 2021-08-04 | 2021-12-07 | 甘肃旭康材料科技有限公司 | Glass tube scratch-resistant method, glass tube scratch-resistant device and glass tube cutting system |
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| CN115043600B (en) | 2023-05-26 |
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