CN111341629A - Processing technology of quartz glass ultraviolet lamp tube - Google Patents
Processing technology of quartz glass ultraviolet lamp tube Download PDFInfo
- Publication number
- CN111341629A CN111341629A CN202010424241.4A CN202010424241A CN111341629A CN 111341629 A CN111341629 A CN 111341629A CN 202010424241 A CN202010424241 A CN 202010424241A CN 111341629 A CN111341629 A CN 111341629A
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- China
- Prior art keywords
- quartz glass
- lamp tube
- ultraviolet lamp
- glass ultraviolet
- heating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
- H01J9/245—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps
- H01J9/247—Manufacture or joining of vessels, leading-in conductors or bases specially adapted for gas discharge tubes or lamps specially adapted for gas-discharge lamps
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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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0085—Drying; Dehydroxylation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/385—Exhausting vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/38—Exhausting, degassing, filling, or cleaning vessels
- H01J9/395—Filling vessels
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses a processing technology of a quartz glass ultraviolet lamp tube, which relates to the field of lamp tube processing and solves the problem that the common quartz glass ultraviolet lamp tube needs to be manually installed on a manual exhauster before vacuumizing, but the processing efficiency of the quartz glass ultraviolet lamp tube is low in the processing mode of manual installation and disassembly; heating the quartz glass ultraviolet lamp tube in the sealed space in the heating interval until hydroxyl is released, sending the quartz glass ultraviolet lamp tube into a vacuum-pumping machine, and carrying out vacuum-pumping treatment in a heat preservation state; electrifying and decomposing the cathode electronic powder to activate the cathode electronic powder; filling inert gas into the quartz glass ultraviolet lamp tube, and sealing; so as to achieve the purpose of quickly and efficiently producing the quartz glass ultraviolet lamp tube and improve the consistency of the product quality.
Description
Technical Field
The invention relates to the technical field of lamp tube processing, in particular to a processing technology of a quartz glass ultraviolet lamp tube.
Background
Ultraviolet sterilization is a sterilization method used for many years at home and abroad, and compared with other sterilization methods, the ultraviolet sterilization method has the advantages that the sterilization effect reaches more than ninety-nine percent, the unit cost is low, the installation is simple and convenient, the maintenance is easy, no secondary pollution is caused, and the like. At present, in the industries of medical treatment, public health and safety, edible oil, drinking water and beverage manufacture, an ultraviolet germicidal lamp is required to be frequently used for sterilization. The ultraviolet germicidal lamp is generally a quartz glass ultraviolet lamp tube, and because a large number of hydroxyl groups exist on the tube wall of the quartz glass ultraviolet lamp tube, the hydroxyl groups can seriously damage the vacuum in the quartz glass lamp tube in the discharge process, so that the lamp tube fails in discharge, and the quartz glass ultraviolet lamp tube needs to be heated at high temperature in the processing process.
However, in the conventional production process, the quartz glass ultraviolet lamp tube needs to be manually connected to a manual exhaust machine before being vacuumized, and then the quartz glass ultraviolet lamp tube at normal temperature is heated to a certain temperature and vacuumized at the same time, in the process, since the quartz glass ultraviolet lamp tube needs to be heated at high temperature for a long time, the heating process needs to consume a lot of time, the energy consumption of product production is high, the production efficiency is low, and after being heated for a long time, the equipment of the automatic vacuumizer is easily damaged due to long-time heating, so that the processing efficiency is greatly reduced.
Disclosure of Invention
The invention aims to provide a processing technology of a quartz glass ultraviolet lamp tube, which has the advantages that the processing efficiency of the quartz glass ultraviolet lamp tube can be effectively improved by adopting a production line type preheating processing mode, and the consistency of the product quality during the processing of the quartz glass ultraviolet lamp tube can be conveniently improved.
The technical purpose of the invention is realized by the following technical scheme: a processing technology of a quartz glass ultraviolet lamp tube comprises the following procedures:
A) placing the quartz glass ultraviolet lamp tube on a material conveying device, and conveying the quartz glass ultraviolet lamp tube into a heating area by the material conveying device;
B) heating the quartz glass ultraviolet lamp tube in the sealed space in the heating interval until the hydroxyl of the quartz glass ultraviolet lamp tube is released, wherein the heating temperature in the heating interval is within the range of 600-1500 ℃;
C) sending the quartz glass ultraviolet lamp tube with the released hydroxyl groups into a vacuumizing machine, and vacuumizing the quartz glass ultraviolet lamp tube in a heat preservation state; in the process of vacuumizing, the cathode electronic powder in the quartz glass ultraviolet lamp tube is electrified and decomposed to activate the cathode electronic powder;
D) and filling inert gas into the quartz glass ultraviolet lamp tube, and sealing the quartz glass ultraviolet lamp tube.
By adopting the technical scheme, under the combination of the heating section and the material conveying device, the quartz glass ultraviolet lamp tube can be uniformly subjected to primary heating treatment in the feeding and conveying process, so that the temperature of the quartz glass ultraviolet lamp tube can be heated, the quartz glass ultraviolet lamp tube can be orderly conveyed to the exhaust process, the quartz glass ultraviolet lamp tube is directly conveyed into the automatic exhaust machine to complete vacuum extraction, the vacuum extraction processing efficiency is greatly improved, and the condition of low service life of the automatic vacuum extractor and a quartz glass ultraviolet lamp tube sealing piece caused by long-time high-temperature heating can be effectively relieved.
And when the quartz glass ultraviolet lamp tube is heated in the closed space, the conditions of too fast heat dissipation and low heating efficiency caused by heating can be effectively relieved.
In step B, the upper surface and the lower surface of the quartz glass ultraviolet lamp tube are simultaneously heated in the heating section.
In step C, the quartz glass ultraviolet lamp tube is flushed by inert gas in the vacuum-pumping process.
In the step C, the quartz glass ultraviolet lamp tube after the hydroxyl is released is moved and installed on an automatic vacuum-pumping machine by a manipulator or a manual work; and D, moving the sealed quartz glass ultraviolet lamp tube out of the automatic vacuum pumping machine through a manipulator or manually.
By adopting the technical scheme, the quartz glass ultraviolet lamp tube is heated in the movement along the material conveying device, the preheating efficiency of the quartz glass ultraviolet lamp tube can be effectively improved, and the preheated quartz glass ultraviolet lamp tube is quickly and accurately installed on the automatic vacuum-pumping machine through the cooperation of a mechanical arm or a worker, so that the quartz glass ultraviolet lamp tube can realize the assembly line type operation, and the processing efficiency of the quartz glass ultraviolet lamp tube can be greatly improved. After the quartz glass ultraviolet lamp tubes are installed on the automatic vacuum-pumping machine in a matching mode, the quartz glass ultraviolet lamp tubes are respectively communicated with the vacuum-pumping device and the inert gas output device, so that the quartz glass ultraviolet lamp tubes can rotate circularly under the driving of the rotary conveying device, and further the quartz glass ultraviolet lamp tubes can be uniformly processed and produced, and the processing quality is improved.
In step B, the quartz glass ultraviolet lamp tube is heated for more than 1 min.
Through adopting above-mentioned technical scheme, the heating interval is for around locating the heating cabinet on the material transmission device, and material transmission device is linear conveyor belt, and linear conveyor belt can make the heating cabinet that matches with it be the rectangle for this scheme is made convenient and practical, and secondly, quartz glass ultraviolet tube's heating time can make it obtain the intensive heating for more than 1 min.
According to a further development of the invention, in step C, the evacuation process is carried out at a vacuum process pressure of 1 × 10-1Pa to 1 × 10-5Pa。
In step C, the temperature of the heat preservation state is not lower than 400 ℃.
And C, the heat preservation state in the step C can reduce the heat loss of the quartz glass ultraviolet lamp tube moving to the automatic vacuumizing machine, so that the processing efficiency of the quartz glass ultraviolet lamp tube is further improved.
In conclusion, the invention has the following beneficial effects:
1. the processing efficiency of the quartz glass ultraviolet lamp tube can be effectively improved by adopting a production line type processing mode;
2. the processing method of preheating can be used for further improving the processing efficiency and reducing the probability of failure after the equipment is heated for a long time;
3. the yield of the quartz glass ultraviolet lamp tube can be greatly improved, and the consistency of the product quality during the processing of the quartz glass ultraviolet lamp tube is improved;
4. the quartz glass ultraviolet lamp tube can be processed and produced uniformly, thereby being convenient for improving the processing quality.
In general, the invention adopts a production line type preheating processing mode to effectively improve the processing efficiency of the quartz glass ultraviolet lamp tube and is convenient to improve the product quality consistency during the processing of the quartz glass ultraviolet lamp tube.
Detailed Description
Example (b): a processing technology of a quartz glass ultraviolet lamp tube comprises the following procedures:
A) placing the quartz glass ultraviolet lamp tube on a material conveying device, and conveying the quartz glass ultraviolet lamp tube into a heating area by the material conveying device;
B) heating the quartz glass ultraviolet lamp tube in the sealed space in the heating interval until the hydroxyl of the quartz glass ultraviolet lamp tube is released, wherein the heating temperature in the heating interval is within the range of 600-1500 ℃; the heating section heats the upper surface and the lower surface of the quartz glass ultraviolet lamp tube simultaneously. The heating time of the quartz glass ultraviolet lamp tube is more than 1 min.
C) Transferring the quartz glass ultraviolet lamp tube with released hydroxyl groups from the material conveying device to an adjacent automatic vacuum-pumping machine, wherein the temperature of the heat preservation state is not lower than 400 ℃, and the relative pressure of the vacuum treatment in the automatic vacuum-pumping machine is 1 × 10-1Pa to 1 × 10-5In the vacuumizing process of Pa, cathode electronic powder in the quartz glass ultraviolet lamp tube is electrified and decomposed to activate the cathode electronic powder; in the vacuum pumping process, the quartz glass ultraviolet lamp tube is flushed by inert gas.
D) Filling inert gas into the quartz glass ultraviolet lamp tube, and sealing the quartz glass ultraviolet lamp tube; and the quartz glass ultraviolet lamp tube after the sealing treatment is moved out of the automatic vacuum-pumping machine by a mechanical arm or a manual work.
In this embodiment, the sealing space in step B is not required to be sealed in full vacuum, as long as it satisfies the technical structure capable of reducing heat dissipation of the quartz glass ultraviolet lamp tube in the heating process; secondly, the heating interval is a section of interval arranged on the material conveying device, and the heating interval can be realized by a technical structure such as an oven.
And C, the heat preservation state in the step C can reduce the heat loss of the quartz glass ultraviolet lamp tube moving to the automatic vacuumizing machine, so that the processing efficiency of the quartz glass ultraviolet lamp tube is further improved.
Under the combination of the heating section and the material conveying device, the quartz glass ultraviolet lamp tube can be uniformly subjected to primary heating treatment in the feeding and conveying process, so that the temperature of the quartz glass ultraviolet lamp tube can be heated, the quartz glass ultraviolet lamp tube can be orderly conveyed to an exhaust process and a traditional manual exhauster, thereby being convenient for relieving the condition of low efficiency caused by long-time heating of the surface of the quartz glass ultraviolet lamp tube, after the quartz glass ultraviolet lamp tube is heated in advance during conveying, when the quartz glass ultraviolet lamp tube moves to the automatic vacuum-pumping machine, the operation of the vacuum-pumping procedure can be directly carried out, thereby not only improving the vacuum-pumping processing efficiency, but also effectively relieving the condition of low service life of the automatic vacuum-pumping machine and the quartz glass ultraviolet lamp tube sealing piece caused by long-time high-temperature heating.
And when the quartz glass ultraviolet lamp tube is heated in the closed space, the conditions of too fast heat dissipation and low heating efficiency caused by heating can be effectively relieved.
The quartz glass ultraviolet lamp tube is heated in the process of moving along the material conveying device, the preheating efficiency of the quartz glass ultraviolet lamp tube can be effectively improved, and the preheated quartz glass ultraviolet lamp tube is quickly and accurately installed on the automatic vacuum-pumping machine through the cooperation of a mechanical arm or a worker, so that the quartz glass ultraviolet lamp tube can realize the production line type operation, and the processing efficiency of the quartz glass ultraviolet lamp tube can be greatly improved. After the quartz glass ultraviolet lamp tubes are installed on the automatic vacuum-pumping machine in a matching mode, the quartz glass ultraviolet lamp tubes are respectively communicated with the vacuum-pumping device and the inert gas output device, so that the quartz glass ultraviolet lamp tubes can rotate circularly under the driving of the rotary conveying device, and further the quartz glass ultraviolet lamp tubes can be uniformly processed and produced, and the processing quality is improved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. A processing technology of a quartz glass ultraviolet lamp tube is characterized in that: the method comprises the following steps:
A) placing the quartz glass ultraviolet lamp tube on a material conveying device, and conveying the quartz glass ultraviolet lamp tube into a heating area by the material conveying device;
B) heating the quartz glass ultraviolet lamp tube in the sealed space in the heating interval until the hydroxyl of the quartz glass ultraviolet lamp tube is released, wherein the heating temperature in the heating interval is within the range of 600-1500 ℃;
C) sending the quartz glass ultraviolet lamp tube with the released hydroxyl groups into a vacuumizing machine, and vacuumizing the quartz glass ultraviolet lamp tube in a heat preservation state; in the process of vacuumizing, the cathode electronic powder in the quartz glass ultraviolet lamp tube is electrified and decomposed to activate the cathode electronic powder;
D) and filling inert gas into the quartz glass ultraviolet lamp tube, and sealing the quartz glass ultraviolet lamp tube.
2. The process according to claim 1, wherein in step B, the heating section heats the upper surface and the lower surface of the quartz glass UV lamp tube simultaneously.
3. The process according to claim 1, wherein in step C, the quartz glass UV lamp is purged with an inert gas during the evacuation.
4. The process according to claim 1, wherein in step C, the quartz glass uv lamp tube after releasing hydroxyl groups is moved and mounted on an automatic vacuum extractor by a robot or manually; and D, moving the sealed quartz glass ultraviolet lamp tube out of the automatic vacuum pumping machine through a manipulator or manually.
5. The process according to claim 1, wherein in step B, the quartz glass UV lamp tube is heated for more than 1 min.
6. The process of claim 1, wherein in step C, the vacuum pressure is 1 × 10-1Pa to 1 × 10-5Pa。
7. The process according to claim 1, wherein in step C, the temperature of the heat-preserved state is not lower than 400 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424241.4A CN111341629B (en) | 2020-05-19 | 2020-05-19 | Processing technology of quartz glass ultraviolet lamp tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010424241.4A CN111341629B (en) | 2020-05-19 | 2020-05-19 | Processing technology of quartz glass ultraviolet lamp tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111341629A true CN111341629A (en) | 2020-06-26 |
| CN111341629B CN111341629B (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010424241.4A Active CN111341629B (en) | 2020-05-19 | 2020-05-19 | Processing technology of quartz glass ultraviolet lamp tube |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5990339A (en) * | 1982-11-15 | 1984-05-24 | Toshiba Corp | Exhaustion process of cathode ray tube |
| CN203242600U (en) * | 2013-04-07 | 2013-10-16 | 复旦大学 | Electrode with straight spiral sleeve |
| CN103367076A (en) * | 2013-04-27 | 2013-10-23 | 阜宁（上海）亚明灯具电器制造有限公司 | Electrodeless bulb manufacturing process |
| CN104103471A (en) * | 2013-04-15 | 2014-10-15 | 佛山市昌胜电子电器有限公司 | Manufacturing process of super-power specification xenon lamp |
| CN208368466U (en) * | 2018-07-04 | 2019-01-11 | 广东大唐永恒智能科技有限公司 | A kind of UV lamp automatic producing device |
| CN209029327U (en) * | 2018-09-30 | 2019-06-25 | 江苏伯乐达照明电器有限公司 | A kind of neon lamp air exhauster Multi-function safety guard device |
-
2020
- 2020-05-19 CN CN202010424241.4A patent/CN111341629B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5990339A (en) * | 1982-11-15 | 1984-05-24 | Toshiba Corp | Exhaustion process of cathode ray tube |
| CN203242600U (en) * | 2013-04-07 | 2013-10-16 | 复旦大学 | Electrode with straight spiral sleeve |
| CN104103471A (en) * | 2013-04-15 | 2014-10-15 | 佛山市昌胜电子电器有限公司 | Manufacturing process of super-power specification xenon lamp |
| CN103367076A (en) * | 2013-04-27 | 2013-10-23 | 阜宁（上海）亚明灯具电器制造有限公司 | Electrodeless bulb manufacturing process |
| CN208368466U (en) * | 2018-07-04 | 2019-01-11 | 广东大唐永恒智能科技有限公司 | A kind of UV lamp automatic producing device |
| CN209029327U (en) * | 2018-09-30 | 2019-06-25 | 江苏伯乐达照明电器有限公司 | A kind of neon lamp air exhauster Multi-function safety guard device |
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| CN111341629B (en) | 2020-08-28 |
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