CN217351189U - On-line liquid phase doping structure - Google Patents
On-line liquid phase doping structure Download PDFInfo
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- CN217351189U CN217351189U CN202221321917.8U CN202221321917U CN217351189U CN 217351189 U CN217351189 U CN 217351189U CN 202221321917 U CN202221321917 U CN 202221321917U CN 217351189 U CN217351189 U CN 217351189U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The utility model provides an online liquid phase doping structure, including doping pipe device, doping pipe device includes hollow target bushing pipe, target bushing pipe both ends are equipped with first extension pipe and second extension pipe respectively, the one end that target bushing pipe was kept away from to first extension pipe still is equipped with first bushing device, the one end that target bushing pipe was kept away from to the second extension pipe still is equipped with second bushing device, first extension pipe can dismantle with first bushing device and be connected, second extension pipe can dismantle with second bushing device and be connected, first bushing device and second bushing device are both ends through structure, first bushing device lateral wall is equipped with two at least side exports, the tip that target bushing pipe was kept away from to first bushing device is equipped with first valve, the tip that target bushing pipe was kept away from to the second bushing device is equipped with the second valve, when traditional optical fiber perform multilayer deposit has been solved, the problem of dismouting needs to relapse.
Description
Technical Field
The utility model belongs to the technical field of the fiber laser and specifically relates to an online liquid phase doping structure is related to.
Background
With the rapid development of industrial high-power lasers, the output power of fiber lasers is continuously improved, and the market competition tends to be white. High-power fiber lasers with multi-mode output from kilowatts to kilowatts gradually become the dominant force of the laser cutting, laser welding and laser cladding markets.
Most active optical fibers adopted by the existing optical fiber laser are prepared by adopting a liquid phase doping method, and in order to obtain a larger core diameter, the active optical fibers are generally prepared by adopting a multilayer deposition method.
SUMMERY OF THE UTILITY MODEL
The utility model provides an online liquid phase doping structure when having solved traditional optical fiber perform multilayer deposit, needs the problem of dismouting repeatedly.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides an online liquid phase doping structure, including the doping pipe device, the doping pipe device includes hollow target bushing pipe, target bushing pipe both ends are equipped with first extension pipe and second extension pipe respectively, the one end that target bushing pipe was kept away from to first extension pipe still is equipped with first bushing device, the one end that target bushing pipe was kept away from to the second extension pipe still is equipped with second bushing device, first extension pipe can be dismantled with first bushing device and be connected, second extension pipe can be dismantled with second bushing device and be connected, first bushing device and second bushing device are both ends through-structure, first bushing device lateral wall is equipped with two at least side exports, the tip that target bushing pipe was kept away from to first bushing device is equipped with first valve, the tip that target bushing pipe was kept away from to the second bushing device is equipped with the second valve.
In a preferred scheme, end connecting pipes are further arranged at two ends of the doping pipe device, and each end connecting pipe is connected with the first sleeve device and the second sleeve device respectively.
In the preferred scheme, first sleeve device outside cover has the outer top cover of slidable, and outer top cover tip is equipped with deformable's horn mouth structure, and horn mouth structure is equipped with the flange structure with outer top cover junction, and the first extension pipe of horn mouth structure clamp, flange structure support lean on first extension pipe tip.
In the preferred scheme, the outer wall of the first sleeve device is provided with a sliding groove, the outer top sleeve is clamped in the sliding groove to slide, a reset spring is further arranged in the sliding groove, two ends of the reset spring are respectively abutted against the first sleeve device and the outer top sleeve, the outer side of the outer top sleeve is further sleeved with a pushing sleeve, one end of the pushing sleeve is in threaded connection with the first sleeve device, and the other end of the pushing sleeve is abutted against the outer wall of the horn mouth structure.
In the preferred scheme, the flange structure is provided with an end sealing gasket, the outer wall of the end part of the first sleeve device is sleeved with a sealing ring, and the sealing ring and the outer top sleeve are tightly attached to the inner wall.
In a preferred embodiment, each side inlet and outlet is provided with a third valve.
In a preferred embodiment, the inner diameter of the second extension pipe is larger than the inner diameter of the target liner pipe to form a stepped structure.
The second sleeve arrangement is similar in construction to the first sleeve arrangement.
The utility model has the advantages that: the two sleeve devices are of a hollow through structure and are provided with side inlets and outlets, so that the two sleeve devices can be used for ventilation, liquid introduction and discharge, online liquid phase doping and nitrogen purging can be performed, the target liner tube does not need to be repeatedly taken down for sintering, and the deposition efficiency is greatly improved; the sleeve device is provided with a pushing sleeve, an outer jacking sleeve and other structures, and can quickly and detachably clamp the extension pipe, so that the situation that the connection part needs to be welded in a melting mode every time is avoided.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is the layout diagram of the optimized casing device of the present invention.
Fig. 3 is an enlarged view of the position a of the present invention.
Fig. 4 is an optimized structure diagram of the casing device of the present invention.
In the figure: a doped pipe device 1; a target liner 101; a first extension tube 102; a second extension tube 103; a first sleeve device 104; a second sleeve device 105; a side inlet/outlet 106; a first valve 107; a second valve 108; an end connection pipe 109; a step structure 110; a third valve 111; a seal ring 2; an end gasket 201; a push sleeve 202; an outer top sleeve 203; a bell mouth structure 204; a chute 205; a return spring 206.
Detailed Description
As shown in fig. 1-4, an online liquid phase doping structure, including a doping pipe device 1, the doping pipe device 1 includes a hollow target liner pipe 101, two ends of the target liner pipe 101 are respectively provided with a first extension pipe 102 and a second extension pipe 103, one end of the first extension pipe 102, which is far away from the target liner pipe 101, is further provided with a first casing device 104, one end of the second extension pipe 103, which is far away from the target liner pipe 101, is further provided with a second casing device 105, the first extension pipe 102 is detachably connected with the first casing device 104, the second extension pipe 103 is detachably connected with the second casing device 105, the first casing device 104 and the second casing device 105 are of a two-end through structure, the side wall of the first casing device 104 is provided with at least two side inlets 106, the end of the first casing device 104, which is far away from the target liner pipe 101, is provided with a first valve 107, and the end of the second casing device 105, which is far away from the target liner pipe 101, is provided with a second valve 108.
The first extension pipe 102 and the second extension pipe 103 are generally connected with the target liner pipe 101 by melting, because the target liner pipe 101 is a preform production section and cannot be shielded or covered, the arrangement of the first extension pipe 102 and the second extension pipe 103 is convenient for reserving a clamping position, and when the target liner pipe 101 is heated, the first extension pipe 102 and the second extension pipe 103 can also play a role in isolating a heat source, so that heat is prevented from being transferred to a clamp.
In a preferred scheme, end connection pipes 109 are further arranged at two ends of the doping pipe device 1, each end connection pipe 109 is respectively connected with the first sleeve device 104 and the second sleeve device 105, and a clamping space is reserved in each end connection pipe 109, so that the doping pipe device can be conveniently butted with an MCVD (micro-vacuum chemical vapor deposition) device.
In a preferred scheme, a slidable outer top sleeve 203 is sleeved outside the first sleeve device 104, a deformable bell mouth structure 204 is arranged at the end of the outer top sleeve 203, a flange structure is arranged at the joint of the bell mouth structure 204 and the outer top sleeve 203, the bell mouth structure 204 clamps the first extension pipe 102, and the flange structure abuts against the end of the first extension pipe 102.
In a preferable scheme, a sliding groove 205 is formed in the outer wall of the first sleeve device 104, the outer top sleeve 203 is clamped in the sliding groove 205 to slide, a return spring 206 is further arranged in the sliding groove 205, two ends of the return spring 206 respectively abut against the first sleeve device 104 and the outer top sleeve 203, a push sleeve 202 is further sleeved outside the outer top sleeve 203, one end of the push sleeve 202 is in threaded connection with the first sleeve device 104, and the other end of the push sleeve 202 abuts against the outer wall of the bell-mouth structure 204.
In the preferred scheme, the flange structure is provided with an end sealing gasket 201, the outer wall of the end part of the first sleeve device 104 is sleeved with a sealing ring 2, and the sealing ring 2 and the outer top sleeve 203 are tightly attached to the inner wall.
The pushing sleeve 202 is rotated, the pushing sleeve 202 moves forwards in a spiral mode and gradually abuts against the outer wall of the bell-mouth structure 204 of the inner pipe sleeve 201, the inner pipe sleeve 201 can slide laterally, the elastic force of the reset spring 206 is small, the inner pipe sleeve 201 moves forwards until the rib structure abuts against the end portion of the first extension pipe 102 or the second extension pipe 103, the pushing sleeve 202 continues to rotate at the moment, the chamfer of the end portion of the pushing sleeve 202 extrudes the conical outer wall of the bell-mouth structure 204, the conical outer wall of the bell-mouth structure 204 deforms inwards, and the outer wall of the first extension pipe 102 or the second extension pipe 103 is clamped by the inner wall of the bell-mouth structure 204.
In a preferred embodiment, each side inlet/outlet port 106 is provided with a third valve 111.
In a preferred embodiment, the inner diameter of the second extension pipe 103 is larger than that of the target liner 101 to form a stepped structure 110, and foreign particles generated when the target liner 101 is heated by the flame burner may accumulate in the second extension pipe 103 and be caught by the stepped structure 110 without returning to the target liner 101.
The deposition method is as follows:
s1, depositing loose bodies, and installing the doping pipe device 1 on MCVD equipment and the like;
s2, opening the first valve 107 and the second valve 108 and introducing SiCl 4 、POCl 3 、O 2 And the target liner tube 101 is heated to about 1500 ℃ for about 10min by a heating device, the heating device preferably heats the outer wall of the target liner tube 101 by a flame torch, the flame torch moves back and forth while heating, and meanwhile, the target liner tube 101 continuously rotates to uniformly heat, and chemical gas in the target liner tube 101 generates chemical reaction to generate powdery SiO 2 And is adhered to the inner wall of the target liner pipe 101 to form a loose body;
s3, closing the first valve 107 and the second valve 108, cooling the target liner 101, and accelerating the cooling efficiency by adopting air cooling and other means, wherein the target liner 101 continuously rotates to ensure uniform cooling, and the cooling process lasts for 10-30 min;
s4, opening a third valve 111 after the target liner pipe 101 is cooled, introducing the prepared solution from the side inlet and outlet 106, filling the target liner pipe 101 with the prepared solution, and sealing the doping pipe device 1;
s5, closing the third valve 111 of the side inlet and outlet 106, rotating the doping pipe device 1 to fully soak the loose body for about 30min, and then stopping rotating and discharging the solution in the target liner pipe 101 from the inlet and outlet 106 at the other side;
s6, reopening the first valve 107 and the second valve 108, and continuously introducing Cl into the target liner 101 2 Continuously introducing Cl 2 Simultaneously, the target liner pipe 101 is heated to about 1500 ℃ by a heating device, the target liner pipe 101 is dried, and the water in the solution passes through Cl 2 Taking away, and fully drying the loose body for about 30 min;
s7, heating the target liner tube 101 to about 2000 ℃ by using a heating device, sintering the loose body to be transparent at high temperature for about 10min to form a layer of doped glass, and finishing single-layer deposition;
s8, repeating S2-S7, and depositing for multiple times on the inner side of the target liner 101 to form multiple layers of doped glass;
s9, heating the target liner pipe 101 to about 2200 ℃, and sintering the sintered hollow target liner pipe 101 into a solid doped preform.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (7)
1. An online liquid phase doping structure is characterized in that: the device comprises a doping pipe device (1), wherein the doping pipe device (1) comprises a hollow target liner pipe (101), a first extension pipe (102) and a second extension pipe (103) are respectively arranged at two ends of the target liner pipe (101), a first sleeve pipe device (104) is further arranged at one end, away from the target liner pipe (101), of the first extension pipe (102), a second sleeve pipe device (105) is further arranged at one end, away from the target liner pipe (101), of the second extension pipe (103), the first extension pipe (102) is detachably connected with the first sleeve pipe device (104), the second extension pipe (103) is detachably connected with the second sleeve pipe device (105), the first sleeve pipe device (104) and the second sleeve pipe device (105) are of a structure with through two ends, at least two side inlet and outlet openings (106) are formed in the side wall of the first sleeve pipe device (104), a first valve (107) is arranged at the end, away from the target liner pipe (101), of the first sleeve pipe device (104), the end of the second casing arrangement (105) remote from the target liner (101) is provided with a second valve (108).
2. The in-line liquid phase doping structure of claim 1, wherein: end connecting pipes (109) are further arranged at two ends of the doping pipe device (1), and each end connecting pipe (109) is connected with the first sleeve device (104) and the second sleeve device (105) respectively.
3. The in-line liquid phase doping structure of claim 1, wherein: the outer side of the first sleeve device (104) is sleeved with a slidable outer top sleeve (203), the end part of the outer top sleeve (203) is provided with a deformable bell mouth structure (204), the joint of the bell mouth structure (204) and the outer top sleeve (203) is provided with a flange structure, the bell mouth structure (204) clamps the first extension pipe (102), and the flange structure abuts against the end part of the first extension pipe (102).
4. The in-line liquid phase doping structure of claim 3, wherein: the outer wall of the first sleeve device (104) is provided with a sliding groove (205), the outer top sleeve (203) is clamped in the sliding groove (205) to slide, a reset spring (206) is further arranged in the sliding groove (205), two ends of the reset spring (206) are respectively abutted against the first sleeve device (104) and the outer top sleeve (203), the outer side of the outer top sleeve (203) is further sleeved with a pushing sleeve (202), one end of the pushing sleeve (202) is in threaded connection with the first sleeve device (104), and the other end of the pushing sleeve (202) is abutted against the outer wall of the horn mouth structure (204).
5. The in-line liquid phase doping structure of claim 3, wherein: the flange structure is provided with an end sealing gasket (201), the outer wall of the end part of the first sleeve device (104) is sleeved with a sealing ring (2), and the sealing ring (2) and the outer top sleeve (203) are tightly attached to the inner wall.
6. The in-line liquid phase doping structure of claim 1, wherein: each side inlet/outlet (106) is provided with a third valve (111).
7. The in-line liquid phase doping structure of claim 1, wherein: the second extension pipe (103) has an inner diameter larger than that of the target liner pipe (101) to form a stepped structure (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221321917.8U CN217351189U (en) | 2022-05-30 | 2022-05-30 | On-line liquid phase doping structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221321917.8U CN217351189U (en) | 2022-05-30 | 2022-05-30 | On-line liquid phase doping structure |
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| CN217351189U true CN217351189U (en) | 2022-09-02 |
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| CN202221321917.8U Active CN217351189U (en) | 2022-05-30 | 2022-05-30 | On-line liquid phase doping structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115028351A (en) * | 2022-05-30 | 2022-09-09 | 武汉长盈通光电技术股份有限公司 | Online deposition system and method for inner hole of optical fiber preform |
| CN115557690A (en) * | 2022-09-27 | 2023-01-03 | 长飞光纤光缆股份有限公司 | Forming assembly and method for preparing active optical fiber preform by using same |
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2022
- 2022-05-30 CN CN202221321917.8U patent/CN217351189U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115028351A (en) * | 2022-05-30 | 2022-09-09 | 武汉长盈通光电技术股份有限公司 | Online deposition system and method for inner hole of optical fiber preform |
| CN115028351B (en) * | 2022-05-30 | 2024-10-11 | 武汉长盈通光电技术股份有限公司 | Online deposition system and deposition method for inner holes of optical fiber perform |
| CN115557690A (en) * | 2022-09-27 | 2023-01-03 | 长飞光纤光缆股份有限公司 | Forming assembly and method for preparing active optical fiber preform by using same |
| CN115557690B (en) * | 2022-09-27 | 2024-02-09 | 长飞光纤光缆股份有限公司 | Forming assembly and method for preparing active optical fiber preform by using forming assembly |
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