CN210635907U - Vertical acid washing equipment suitable for optical fiber quartz sleeve - Google Patents
Vertical acid washing equipment suitable for optical fiber quartz sleeve Download PDFInfo
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- CN210635907U CN210635907U CN201921656567.9U CN201921656567U CN210635907U CN 210635907 U CN210635907 U CN 210635907U CN 201921656567 U CN201921656567 U CN 201921656567U CN 210635907 U CN210635907 U CN 210635907U
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- sleeve
- cleaning
- optical fiber
- cabinet door
- distribution box
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Abstract
The utility model provides a vertical pickling equipment suitable for optical fiber quartz sleeve, including pump station, bottom piping box, electric control cabinet, purge chamber, cabinet door and wash rack, bottom piping box is connected to the purge chamber bottom, sets up the wash rack inside the purge chamber, and the purge chamber openly sets up the cabinet door, the pump station passes through the pipe connection purge chamber that sets up in the bottom piping box, is provided with washing liquid output pipeline and washing liquid recovery pipeline in the bottom piping box, the electric control cabinet connects bottom piping box and pump station; the cleaning frame comprises a sleeve moving supporting structure and a sleeve bottom supporting structure, the sleeve bottom supporting structure is installed at the bottom of the cleaning chamber, a linear slide rail is vertically arranged behind the cleaning chamber, and the sleeve moving supporting structure is connected with the slide rail and can slide up and down relative to the linear slide rail. The utility model discloses simple structure can wash the sheathed tube inside and outside.
Description
Technical Field
The utility model relates to a pickling installation specifically relates to a vertical pickling installation suitable for optical fiber quartz sleeve, especially a vertical pickling installation suitable for optical fiber perform is with quartz sleeve.
Background
The quartz optical fiber prefabricated rod mainly comprises a pure quartz glass cladding layer and a germanium-doped quartz glass core layer, and is the core of an optical fiber manufacturing process. In order to improve the quality of the optical fiber preform and to ensure low loss of the optical fiber, it is necessary to treat it before drawing and coating. Although quartz glass can resist many kinds of acids, hydrofluoric acid (HF) can easily corrode and polish the surface, and one of the most mature surface treatment processes of quartz optical fiber preforms in the world is HF and hydrochloric acid (HCl).
The existing quartz optical fiber quartz sleeve pickling is mostly finished by adopting pickling equipment, and the pickling equipment utilizes circulating hydrofluoric acid (HF) to corrode and polish the surface of a prefabricated rod in a pickling tank; the pickling tank body is designed in a sealing mode, and the door plate is sealed and locked, so that waste liquid is prevented from splashing, and operators are protected from being damaged by corrosive acid liquid and acid mist; and circulating the waste water and gas generated in the acid washing process to a waste water and gas treatment device for treatment by a discharge system.
The existing pickling equipment has the following problems and disadvantages: for small-diameter quartz sleeve products which are mostly used for special optical fiber products and experimental products, the yield requirement is not high but the specification changes too much, and the acid cleaning cannot be carried out by the original horizontal equipment; the inner side and the outer side of the quartz sleeve are washed thoroughly by acid, and the required requirements cannot be met by soaking type acid washing; the end of the quartz sleeve is tapered, and residual HF is difficult to clean by water after acid cleaning; the thin-walled sleeve is easy to be damaged if the sleeve is flatly placed and cleaned.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims at providing a vertical pickling device suitable for an optical fiber quartz sleeve.
According to the utility model provides a vertical pickling installation suitable for optic fibre quartz sleeve pipe, including pump station, bottom piping case, electric control cabinet, purge chamber, cabinet door and wash rack, bottom piping case is connected to the purge chamber bottom, sets up the wash rack inside the purge chamber, and the purge chamber openly sets up the cabinet door, the pump station passes through the pipe connection purge chamber that sets up in the bottom piping case, is provided with washing liquid output pipeline and washing liquid recovery pipeline in the bottom piping case, the electric control cabinet connects bottom piping case and pump station;
the cleaning frame comprises a sleeve moving supporting structure and a sleeve bottom supporting structure, the sleeve bottom supporting structure is installed at the bottom of the cleaning chamber, a linear slide rail is vertically arranged behind the cleaning chamber, and the sleeve moving supporting structure is connected with the slide rail and can slide up and down relative to the linear slide rail.
Preferably, the cleaning device further comprises a rear distribution box, the rear distribution box is arranged behind the cleaning chamber, a spray beam structure is arranged on the top surface inside the cleaning chamber, one or more spray heads are arranged on the spray beam structure, control valves are arranged on the spray heads, the spray heads are connected with a pump station through a pipeline arranged in the rear distribution box, and the control valves are connected with an electric control cabinet;
inside top surface of purge chamber still is provided with exhaust system and exhaust emission, and exhaust emission is connected to exhaust treatment system.
Preferably, an acid storage tank, an alkali storage tank, an acid filter, an alkali filter, an underwater circulating pump and an air draft system are arranged in the pump station, the underwater circulating pump outputs cleaning liquid in the acid storage tank or the alkali storage tank to the cleaning chamber through a corresponding cleaning liquid output pipeline, and the cleaning liquid used by the cleaning chamber flows through the corresponding acid filter or the alkali filter through a corresponding cleaning liquid recovery pipeline and then enters the corresponding acid storage tank or the alkali storage tank for recycling;
and the top of the pump station is provided with an exhaust gas discharge port which is connected to an exhaust gas treatment system.
Preferably, an electric control valve is arranged on a pipeline inside the bottom distribution box and connected with an electric control cabinet.
Preferably, the electric control cabinet comprises a PLC controller and a touch screen.
Preferably, the sleeve moving support structure comprises a fixed ring sleeve and a moving plate, wherein a sliding block is arranged on the moving plate and connected with the linear sliding rail;
the fixed ring sleeves are uniformly distributed on the periphery of the moving plate and are connected with the moving plate through fasteners.
Preferably, the fixed ring sleeve comprises a fixed half ring and a detachable half ring, the fixed half ring is connected with the movable plate, a T-shaped groove or a T-shaped protrusion is arranged at the joint of the fixed half ring and the detachable half ring, a T-shaped protrusion or a T-shaped groove is correspondingly arranged at the joint of the detachable half ring and the fixed half ring, and the fixed half ring and the detachable half ring are connected in a matching manner through the T-shaped groove and the T-shaped protrusion to form a sleeve installation position;
a plurality of adjusting bolts are uniformly arranged on the circumferential direction of the fixed ring sleeve, and the axial directions of the adjusting bolts are perpendicular to the normal direction of the fixed ring sleeve.
Preferably, the sleeve bottom supporting structure comprises a bottom plate, bases, an adapter and an O-shaped ring, the bases are uniformly distributed on the circumference of the bottom plate, one end of the adapter is connected with the bases, the other end of the adapter is connected with the sleeve, and the O-shaped ring is arranged between the adapter and the sleeve for sealing;
the base is connected with a cleaning liquid output pipeline in the bottom distribution box, and the interiors of the base and the adapter are both hollow structures; and selecting the size of the adapter according to the size of the sleeve.
Preferably, the cabinet door is provided with a locking device, the locking device comprises an air cylinder, a lock tongue plate and a locking bolt, the air cylinder is connected with the lock tongue plate, the air cylinder is arranged at the upper end or the lower end of the cabinet door, the edge of the lock tongue plate is provided with one or more openings, the openings extend towards the interior of the lock tongue plate in an L shape, the locking bolt is arranged on the cabinet door, and the positions of the locking bolt correspond to the positions of the openings on the lock tongue plate one by one;
the lock tongue plate has two positions of locking and unlocking under the action of the cylinder, when the lock tongue plate is at the locking position, the opening on the lock tongue plate is in position interference with the locking bolt, the locking bolt is clamped at the closed end of the L-shaped opening, and the cabinet door cannot be opened; when in the open position, the locking latch is free to move from the open end of the L-shaped opening and the cabinet door can be opened.
Preferably, a perspective window is arranged on the cabinet door, and a sealing structure is arranged at the closing position on the cabinet door.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses simple structure is compact, adopts the purge chamber all to wash quartz sleeve's inside and outside.
2. The cleaning liquid of the utility model enters the inside of the sleeve from the bottom end of the quartz sleeve and overflows from the upper end of the sleeve to clean the inner surface and the outer surface of the quartz sleeve; considering that the cleaning liquid flowing down from the outer side is possibly uneven, in order to ensure the cleaning effect, the cleaning chamber is provided with a spray head, and the cleaning liquid is sprayed out from the spray head to clean the outer part of the sleeve, so that the cleaning is more even.
3. The utility model discloses purge chamber and pump station are provided with exhaust system, guarantee that the during operation purge chamber is inside to be the negative pressure, take out the waste gas that produces in with the cleaning process through exhaust system and leave exhaust treatment system, do not influence operating personnel operational environment's air quality.
4. The utility model discloses a sleeve pipe removes bearing structure can relative slip for with sleeve pipe bottom bearing structure between the distance adjustable in order to wash the quartz sleeve pipe of co-altitude not, the model of adaptor is selected according to quartz sleeve pipe's internal diameter, can wash the quartz sleeve pipe of different models.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic front view of the structure of the present invention.
Fig. 3 is a schematic view of a part of the locking device of the present invention.
Fig. 4 is the structure diagram of the cabinet door of the utility model.
Fig. 5 is a schematic structural view of the wash rack of the present invention.
Fig. 6 is a partial schematic view of the casing bottom support structure of the present invention.
Fig. 7 is an enlarged view of region a in fig. 5.
Fig. 8 is a schematic structural view of the sleeve moving support structure of the present invention.
Fig. 9 is a schematic structural view of the fixing ring sleeve of the present invention.
The figures show that:
Locking latch 13 of bottom distribution box 2
Cabinet door 5 adapter 16
Exhaust gas discharge opening 7O-ring 18
Sleeve moving support structure 9 moving plate 20
Sleeve bottom support structure 10 slider 21
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
According to the utility model provides a vertical pickling installation suitable for optical fiber quartz sleeve, as shown in fig. 1-9, including pump station 1, bottom distribution box 2, electric cabinet 3, purge chamber 4, cabinet door 5 and wash rack, 4 bottom connection bottom distribution boxes 2 of purge chamber, 4 inside wash racks that set up of purge chamber, 4 openly set up cabinet door 5 of purge chamber, the pump station is through the pipe connection purge chamber 4 that sets up in 2 of bottom distribution boxes, is provided with washing liquid output pipeline and washing liquid recovery pipeline in 2 of bottom distribution boxes, electric cabinet 3 connects 2 of bottom distribution boxes and pump station 1; the cleaning frame comprises a sleeve moving support structure 9 and a sleeve bottom support structure 10, the sleeve bottom support structure 10 is installed at the bottom of the cleaning chamber 4, a linear slide rail is vertically arranged behind the inside of the cleaning chamber 4, and the sleeve moving support structure 9 is connected with the slide rail and can slide up and down relative to the linear slide rail. The cleaning chamber 4 is a single chamber or a plurality of chambers, and the cabinet door 5 is one or more.
As shown in fig. 1-2, the cleaning device further comprises a rear distribution box 6, wherein the rear distribution box 6 is arranged behind the cleaning chamber 4, a spray beam structure is arranged on the top surface inside the cleaning chamber 4, one or more spray heads are arranged on the spray beam structure, control valves are arranged on the spray heads, the spray heads are connected with the pump station 1 through a pipeline arranged in the rear distribution box 6, and the control valves are connected with the electric control cabinet 3; the inside top surface of purge chamber still is provided with exhaust system and exhaust 7, and exhaust 7 is connected to exhaust treatment system, preferably, the shower nozzle adopts fan-shaped or toper shower nozzle. An acid storage tank, an alkali storage tank, an acid filter, an alkali filter, an underwater circulating pump and an air exhaust system are arranged in the pump station 1, the cleaning liquid in the acid storage tank or the alkali storage tank is output to the cleaning chamber 4 through a corresponding cleaning liquid output pipeline by the underwater circulating pump, and the cleaning liquid used by the cleaning chamber 4 flows through the corresponding acid filter or the alkali filter through a corresponding cleaning liquid recovery pipeline and then enters the corresponding acid storage tank or the alkali storage tank for recycling; the top of the pump station 1 is provided with an exhaust gas discharge port 7, and the exhaust gas discharge port 7 is connected to an exhaust gas treatment system. And an electric control valve is arranged on a pipeline inside the bottom distribution box 2 and is connected with the electric control cabinet 3. The electric control cabinet 3 comprises a PLC controller and a touch screen.
As shown in fig. 5-9, the sleeve moving support structure 9 includes a fixed ring sleeve 19 and a moving plate 20, the moving plate 20 is provided with a sliding block 21, and the sliding block 21 is connected to a linear slide rail; a plurality of fixed rings 19 are uniformly distributed on the circumference of the moving plate 20 and are connected to the moving plate 20 by fasteners. The fixed ring sleeve 19 comprises a fixed half ring and a detachable half ring, the fixed half ring is connected with the movable plate 20, a T-shaped groove or a T-shaped bulge is arranged at the joint of the fixed half ring and the detachable half ring, a T-shaped bulge or a T-shaped groove is correspondingly arranged at the joint of the detachable half ring and the fixed half ring, and the fixed half ring and the detachable half ring are connected in a matching way through the T-shaped groove and the T-shaped bulge to form a sleeve installation position; the fixed ring sleeve 19 is evenly provided with a plurality of adjusting bolts in circumference, the axial direction of a plurality of adjusting bolts is perpendicular to the normal direction of the fixed ring sleeve 19, preferably, the adjusting bolts are three adjusting bolts, the installed sleeve is centered through the adjusting bolts, and the detachable mode of the fixed ring sleeve 19 facilitates taking and placing of the sleeve. The sleeve bottom supporting structure 10 comprises a bottom plate 14, bases 15, an adapter piece 16 and O-shaped rings 18, the bases 15 are uniformly distributed on the circumferential direction of the bottom plate 14, one end of the adapter piece 16 is connected with the bases 15, the other end of the adapter piece 16 is connected with a sleeve 17, and the O-shaped rings 18 are arranged between the adapter piece 16 and the sleeve 17 for sealing; the base 15 is connected with a cleaning liquid output pipeline in the bottom distribution box 2, and the interiors of the base 15 and the adapter 16 are both hollow structures; the size of the adaptor 16 is selected according to the size of the sleeve 17, and preferably, the adaptor 16 is connected with the base 15 through threads, so that the adaptor is convenient to replace.
As shown in fig. 1 to 4, a locking device 8 is disposed on the cabinet door 5, the locking device includes an air cylinder 11, a tongue plate 12, and a locking latch 13, the air cylinder 11 is connected to the tongue plate 12, the air cylinder 11 is disposed at the upper end or the lower end of the cabinet door 5, one or more openings are disposed at the edge of the tongue plate 12, the openings extend into the tongue plate 12 in an L shape, the locking latch 13 is disposed on the cabinet door 5, and the positions of the locking latches 13 correspond to the positions of the openings on the tongue plate 12 one by one; the bolt plate 12 has two positions of locking and unlocking under the action of the cylinder 11, when the bolt plate is at the locking position, the opening on the bolt plate 12 and the locking bolt 13 generate position interference, the locking bolt 13 is clamped at the closed end of the L-shaped opening, and the cabinet door 5 cannot be opened; when in the open position, the locking latch 13 is free to move from the open end of the L-shaped opening and the cabinet door 5 can be opened. Be provided with perspective window on cabinet door 5, conveniently observe inside course in the course of the work, the department of closing on the cabinet door 5 is provided with seal structure, and inside washing liquid overflows when preventing to wash.
The preferred embodiment:
the utility model discloses special to minor diameter quartz sleeve product, external diameter 36 ~ 50mm promptly, internal diameter 20mm ~ 32mm, length can reach 3000 mm's quartz sleeve's washing. The cleaning frame is provided with 6 cleaning positions, the cleaning frame ensures the stability of the sleeve in the cleaning process, the inner part of the sleeve can be cleaned, cleaning liquid enters the inner part of the sleeve from the bottom end of the quartz sleeve and overflows the outer side from the upper end of the sleeve to clean the inner surface and the outer surface of the quartz sleeve, the cleaning liquid flowing down from the outer side is not uniform, a nozzle is arranged in the cleaning chamber to ensure the cleaning effect, and the cleaning liquid is sprayed out from the nozzle to clean the outer part of the sleeve, so that the cleaning is more uniform; the cleaning chamber 4 can be designed into a single cavity, and 6 cannulas can be cleaned in each batch; it can also be designed as a double lumen, with 12 cannulas acid-washed per batch. The door 5 of the cabinet is locked by a tongue plate 12, preferably driven by a cylinder 11, through three locking latches 13, and cannot be opened during operation, preventing the cleaning liquid from overflowing. An exhaust system is arranged above the inside of the cleaning chamber 4, and the generated waste gas of the mixed HF gas is pumped away in the working process and is treated by a waste gas treatment system; the inside negative pressure that forms of purge chamber 4 when convulsions, guarantees that the HF gas that volatilizees can not spill over in the workshop. The design of the 5 closed places of the cleaning cabinet door has a clip-shaped sealing structure, so that the cleaning liquid can not overflow along the door plate gap when the cleaning cabinet is sprayed. Circulating system pipelines are arranged in the cleaning chamber 4, the bottom distribution box 2 and the rear distribution box 6, and all liquid returns to the storage tank along the pipelines under the action of gravity in the acid washing process; during the washing process, the wastewater is discharged to a wastewater treatment system along a pipeline. The cleaning machine is characterized in that pipelines and control valves are arranged in the bottom distribution box 2, the rear distribution box 6 and the pump station 1, the control valves are connected to the electric control cabinet 3, the control valves are pneumatic or electric valves, and the electric control cabinet 3 controls the pneumatic or electric valves to be opened and closed through a PLC (programmable logic controller) to realize the control of the cleaning process. The touch screen is arranged on the electric control cabinet, so that the cleaning process can be controlled by an operator.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The vertical pickling equipment suitable for the optical fiber quartz sleeve is characterized by comprising a pump station (1), a bottom distribution box (2), an electric control cabinet (3), a cleaning chamber (4), a cabinet door (5) and a cleaning frame, wherein the bottom end of the cleaning chamber (4) is connected with the bottom distribution box (2), the cleaning frame is arranged in the cleaning chamber (4), the cabinet door (5) is arranged on the front side of the cleaning chamber (4), the pump station is connected with the cleaning chamber (4) through a pipeline arranged in the bottom distribution box (2), a cleaning liquid output pipeline and a cleaning liquid recovery pipeline are arranged in the bottom distribution box (2), and the electric control cabinet (3) is connected with the bottom distribution box (2) and the pump station (1);
the cleaning frame comprises a sleeve moving supporting structure (9) and a sleeve bottom supporting structure (10), the sleeve bottom supporting structure (10) is installed at the bottom of the cleaning chamber (4), a linear sliding rail is vertically arranged in the rear of the inside of the cleaning chamber (4), and the sleeve moving supporting structure (9) is connected with the sliding rail and can slide up and down relative to the linear sliding rail.
2. The vertical pickling equipment suitable for the optical fiber quartz sleeve according to claim 1, further comprising a rear distribution box (6), wherein the rear distribution box (6) is arranged behind the cleaning chamber (4), a spray beam structure is arranged on the top surface inside the cleaning chamber (4), one or more spray heads are arranged on the spray beam structure, control valves are arranged on the spray heads, the spray heads are connected with the pump station (1) through a pipeline arranged in the rear distribution box (6), and the control valves are connected with the electric control cabinet (3);
inside top surface of purge chamber still is provided with exhaust system and exhaust emission (7), and exhaust emission (7) are connected to exhaust-gas treatment system.
3. The vertical acid washing equipment suitable for the optical fiber quartz sleeve according to claim 1 or 2, wherein an acid storage tank, an alkali storage tank, an acid filter, an alkali filter, a submerged circulation pump and an air draft system are arranged inside the pump station (1), the submerged circulation pump outputs a cleaning solution in the acid storage tank or the alkali storage tank to the cleaning chamber (4) through a corresponding cleaning solution output pipeline, and the cleaning solution used in the cleaning chamber (4) flows through the corresponding acid filter or the alkali filter through a corresponding cleaning solution recovery pipeline, is filtered by the corresponding acid filter or the alkali filter, and then enters the corresponding acid storage tank or the alkali storage tank for recycling;
the top of the pump station (1) is provided with an exhaust gas discharge port (7), and the exhaust gas discharge port (7) is connected to an exhaust gas treatment system.
4. The vertical pickling equipment for the optical fiber quartz sleeve according to claim 1, wherein an electric control valve is arranged on a pipeline inside the bottom distribution box (2), and the electric control valve is connected with the electric control cabinet (3).
5. The vertical pickling equipment for the optical fiber quartz sleeve according to claim 1, wherein the electric control cabinet (3) comprises a PLC controller and a touch screen.
6. The vertical pickling equipment for the optical fiber quartz sleeve according to claim 1, wherein the sleeve moving support structure (9) comprises a fixed ring sleeve (19) and a moving plate (20), the moving plate (20) is provided with a slide block (21), and the slide block (21) is connected with a linear slide rail;
a plurality of fixed ring sleeves (19) are uniformly distributed on the circumferential direction of the moving plate (20) and are connected with the moving plate (20) through fasteners.
7. The vertical pickling equipment for the optical fiber quartz sleeve according to claim 6, wherein the fixed ring sleeve (19) comprises a fixed half ring and a detachable half ring, the fixed half ring is connected with the movable plate (20), a T-shaped groove or a T-shaped protrusion is arranged at the joint of the fixed half ring and the detachable half ring, a T-shaped protrusion or a T-shaped groove is correspondingly arranged at the joint of the detachable half ring and the fixed half ring, and the fixed half ring and the detachable half ring are connected in a matched manner through the T-shaped groove and the T-shaped protrusion to form a sleeve installation position;
the fixed ring sleeve (19) is uniformly provided with a plurality of adjusting bolts in the circumferential direction, and the axial directions of the adjusting bolts are perpendicular to the normal direction of the fixed ring sleeve (19).
8. The vertical pickling device for the optical fiber quartz sleeve according to claim 1, wherein the sleeve bottom supporting structure (10) comprises a bottom plate (14), bases (15), an adapter (16) and O-rings (18), the bases (15) are uniformly distributed in the circumferential direction of the bottom plate (14), one end of the adapter (16) is connected with the bases (15), the other end of the adapter (16) is connected with the sleeve (17), and the O-rings (18) are arranged between the adapter (16) and the sleeve (17) for sealing;
the base (15) is connected with a cleaning liquid output pipeline in the bottom distribution box (2), and the interiors of the base (15) and the adaptor (16) are both hollow structures; the size of the adapter (16) is selected according to the size of the sleeve (17).
9. The vertical pickling device for the optical fiber quartz sleeve according to claim 1, wherein a locking device (8) is arranged on the cabinet door (5), the locking device comprises a cylinder (11), a tongue plate (12) and a locking latch (13), the cylinder (11) is connected with the tongue plate (12), the cylinder (11) is arranged at the upper end or the lower end of the cabinet door (5), one or more openings are arranged at the edge of the tongue plate (12), the openings extend towards the inside of the tongue plate (12) in an L shape, the locking latch (13) is arranged on the cabinet door (5), and the positions of the locking latch (13) correspond to the positions of the openings on the tongue plate (12) in a one-to-one manner;
the lock tongue plate (12) has two positions of locking and unlocking under the action of the cylinder (11), when the lock tongue plate is located at the locking position, an opening in the lock tongue plate (12) and the locking bolt (13) generate position interference, the locking bolt (13) is clamped at the closing end of the L-shaped opening, and the cabinet door (5) cannot be opened; when in the open position, the locking latch (13) is free to move from the open end of the L-shaped opening and the cabinet door (5) can be opened.
10. The vertical pickling equipment for the optical fiber quartz sleeve according to claim 1, wherein a transparent window is arranged on the cabinet door (5), and a sealing structure is arranged at a closed position on the cabinet door (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656567.9U CN210635907U (en) | 2019-09-30 | 2019-09-30 | Vertical acid washing equipment suitable for optical fiber quartz sleeve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921656567.9U CN210635907U (en) | 2019-09-30 | 2019-09-30 | Vertical acid washing equipment suitable for optical fiber quartz sleeve |
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| Publication Number | Publication Date |
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| CN210635907U true CN210635907U (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921656567.9U Active CN210635907U (en) | 2019-09-30 | 2019-09-30 | Vertical acid washing equipment suitable for optical fiber quartz sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409242A (en) * | 2021-12-01 | 2022-04-29 | 浙江富通光纤技术有限公司 | Optical fiber preform manufacturing process and optical fiber |
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2019
- 2019-09-30 CN CN201921656567.9U patent/CN210635907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409242A (en) * | 2021-12-01 | 2022-04-29 | 浙江富通光纤技术有限公司 | Optical fiber preform manufacturing process and optical fiber |
| CN114409242B (en) * | 2021-12-01 | 2023-08-18 | 浙江富通光纤技术有限公司 | Process for manufacturing optical fiber preform and optical fiber |
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