CN203360264U - Continuous melting furnace for manufacturing small-bore quartz glass tube - Google Patents
Continuous melting furnace for manufacturing small-bore quartz glass tube Download PDFInfo
- Publication number
- CN203360264U CN203360264U CN 201320402761 CN201320402761U CN203360264U CN 203360264 U CN203360264 U CN 203360264U CN 201320402761 CN201320402761 CN 201320402761 CN 201320402761 U CN201320402761 U CN 201320402761U CN 203360264 U CN203360264 U CN 203360264U
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- melting furnace
- spindle
- fusiform
- forming device
- core bar
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Abstract
The utility model discloses a continuous melting furnace for manufacturing a small-bore quartz glass tube. The continuous melting furnace comprises a furnace body; a crucible is arranged in the furnace body; a mandrel is arranged in the crucible; an air feeding system is connected with the upper end of the mandrel; a material platform is arranged at the bottom of the crucible; a discharge opening is formed in the material platform; a secondary forming region is arranged in the furnace body below the material platform; a spindle-like forming device is arranged in the secondary forming region; the upper end of the spindle-like forming device is connected with the mandrel; the diameter of the largest diameter part of the spindle-like forming device is 60-100 m, and the diameter of the lower end opening part of the spindle-like forming device is 0.3-5 mm; the height from the largest diameter part of the spindle-like forming device to the mandrel is 50-80 mm; and the height from the largest diameter part of the spindle-like forming device to a lower end opening is 70-120 mm. The spindle-like forming device can be used for heating and polishing the outer surface of a nearly spherical quartz solution and changing the diameter of the lower end opening part of the spindle-like forming device to form the desired quartz tube; and the continuous melting furnace is reasonable in design, convenient to use, and high in size accuracy, and can prepare the thick-walled small-bore quartz glass tube through once forming.
Description
Technical field
The utility model relates to a kind of manufacturing installation of quartz glass tube, particularly a kind of continuous induction melting furnace for preparing the small-bore quartz glass tube.
Background technology
Heavy wall aperture quartz glass tube is mainly used in high pressure or the ultra-high voltage liquid-level pressure shows that meter or vacuum remote liquid level show meter, or be applied to high pressure or superhigh pressure boiler, as the high pressure steam boiler in power station, the high-duty boiler liquidometer of seaplane carrier, or for equipment such as high-tech technical study tests.
The manufacture of existing little internal diameter quartz glass tube is to adopt the intermittent type electric smelter to be produced, and its defect is: yield poorly, poor dimensional precision, production cost be high, and be difficult to manufacture for the quartz glass tube that is less than the following diameter of 3mm.
Summary of the invention
Technical problem to be solved in the utility model is for the deficiencies in the prior art, provides a kind of reasonable in design, makes the continuous induction melting furnace of the preparation small-bore quartz glass tube that the product size precision is high.
Technical problem to be solved in the utility model is to realize by following technical scheme, the utility model is a kind of continuous induction melting furnace for preparing the small-bore quartz glass tube, comprise body of heater, be provided with crucible in body of heater, be provided with core bar in crucible, the core bar upper end is connected with inlet system, the bottom of crucible is provided with the material platform, the material platform is provided with discharge port, be characterized in: in the body of heater of material platform below, be provided with the post forming district, be provided with the fusiform former in the post forming district, upper end and the core bar of fusiform former join, the diameter at fusiform former maximum diameter place is 60-100mm, the diameter at lower port place is 0.3-5mm, fusiform former maximum diameter place to the height of core bar is 50-80mm, fusiform former maximum diameter place to the height of lower port is 70-120mm.
Technical problem to be solved in the utility model can also further realize by following technical scheme, inlet system comprises the supply air line be connected between source of the gas and core bar inlet mouth, be provided with successively variable valve and gas flowmeter on supply air line, be provided with buffer tank on the supply air line between gas flowmeter and continuous induction melting furnace core bar inlet mouth, buffer tank is provided with tensimeter, on the inlet mouth of buffer tank, is provided with gas filter.
The former of the utility model continuous induction melting furnace is located at the discharge port below, and be fusiform, therefore, the quartz solution of melting out flows downward along the outer wall of fusiform former from discharge port, at the fusiform former, place forms subsphaeroidal, in the post forming district, under radiation high-temperature by discharge port and the effect in temperature field, the outside surface of the subsphaeroidal quartz solution on fusiform former surface is done to the heating polished finish, and become the silica tube of desired size at the lower port place of fusiform former reducing, compared with prior art, it is reasonable in design, easy to use, dimensional precision is high, can once shaped produce the quartz glass tube of heavy wall small-bore.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic diagram of inlet system.
Embodiment
Referring to accompanying drawing, further describe concrete technical scheme of the present utility model, so that those skilled in the art understands the utility model further, and do not form the restriction to its right.
With reference to accompanying drawing 1, a kind of continuous induction melting furnace for preparing the small-bore quartz glass tube, comprise body of heater, be provided with crucible 3 in body of heater, be provided with core bar 2 in crucible 3, core bar 2 upper ends are connected with inlet system 1, the bottom of crucible 3 is provided with material platform 5, material platform 5 is provided with discharge port 4, be provided with the post forming district in the body of heater of material platform 5 belows, be provided with fusiform former 6 in the post forming district, the upper end of fusiform former 6 and core bar 2 join, the diameter at fusiform former 6 maximum diameter places is 60-100mm, the diameter at lower port place is 0.3-5mm, fusiform former 6 maximum diameter places to the height of core bar 2 is 50-80mm, fusiform former 6 maximum diameter places to the height of lower port is 70-120mm.
With reference to Fig. 2, inlet system 1 comprises the supply air line 11 be connected between source of the gas and core bar 2 inlet mouths, be provided with successively variable valve 14 and gas flowmeter 13 on supply air line 11, be provided with buffer tank 12 on the supply air line 11 between gas flowmeter 13 and continuous induction melting furnace core bar 2 inlet mouths, buffer tank 12 is provided with tensimeter, on the inlet mouth of buffer tank 12, is provided with gas filter.Inlet system 1 can be controlled the stability of intake pressure, has reduced scrap rate.
During use, raw material of quartz glass melts and forms quartz solution in crucible 3, quartz solution enters in the post forming district through material platform 5 discharge ports 4, in the post forming district, quartz solution flows downward along the outer wall of fusiform former 6, form subsphaeroidally at fusiform former 6 places, in the once shaped district, the outside surface of the subsphaeroidal quartz solution on fusiform former 6 surfaces is done to the heating polished finish; After form heavy wall small-bore silica tube in below fusiform former 6.
Claims (2)
1. a continuous induction melting furnace for preparing the small-bore quartz glass tube, comprise body of heater, be provided with crucible in body of heater, be provided with core bar in crucible, the core bar upper end is connected with inlet system, the bottom of crucible is provided with the material platform, the material platform is provided with discharge port, it is characterized in that: in the body of heater of material platform below, be provided with the post forming district, be provided with the fusiform former in the post forming district, upper end and the core bar of fusiform former join, the diameter at fusiform former maximum diameter place is 60-100mm, the diameter at lower port place is 0.3-5mm, fusiform former maximum diameter place to the height of core bar is 50-80mm, fusiform former maximum diameter place to the height of lower port is 70-120mm.
2. the continuous induction melting furnace of preparation according to claim 1 small-bore quartz glass tube, it is characterized in that: inlet system comprises the supply air line be connected between source of the gas and core bar inlet mouth, be provided with successively variable valve and gas flowmeter on supply air line, be provided with buffer tank on the supply air line between gas flowmeter and continuous induction melting furnace core bar inlet mouth, buffer tank is provided with tensimeter, on the inlet mouth of buffer tank, is provided with gas filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320402761 CN203360264U (en) | 2013-07-08 | 2013-07-08 | Continuous melting furnace for manufacturing small-bore quartz glass tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320402761 CN203360264U (en) | 2013-07-08 | 2013-07-08 | Continuous melting furnace for manufacturing small-bore quartz glass tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203360264U true CN203360264U (en) | 2013-12-25 |
Family
ID=49808056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320402761 Expired - Fee Related CN203360264U (en) | 2013-07-08 | 2013-07-08 | Continuous melting furnace for manufacturing small-bore quartz glass tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203360264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498595A (en) * | 2019-09-16 | 2019-11-26 | 江苏亨通智能科技有限公司 | Quartzy thick-walled pipe post forming device and forming method |
-
2013
- 2013-07-08 CN CN 201320402761 patent/CN203360264U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498595A (en) * | 2019-09-16 | 2019-11-26 | 江苏亨通智能科技有限公司 | Quartzy thick-walled pipe post forming device and forming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20210708 |