CN206814639U - A kind of optical fiber deuterium processing unit and system - Google Patents
A kind of optical fiber deuterium processing unit and system Download PDFInfo
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- CN206814639U CN206814639U CN201720584922.0U CN201720584922U CN206814639U CN 206814639 U CN206814639 U CN 206814639U CN 201720584922 U CN201720584922 U CN 201720584922U CN 206814639 U CN206814639 U CN 206814639U
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- deuterium
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Abstract
The utility model discloses a kind of optical fiber deuterium processing unit, including deuterium process tank and vacuum device, the outside of deuterium process tank is provided with deuterium process tank air inlet and deuterium and the mixed gas of protection gas introduces pipe；Deuterium process tank is internally provided with storage rack, pressure sensing mechanism and temperature control device；The system that the device collectively constitutes with controller is also disclosed in the utility model.The utility model has the characteristics of compact-sized, accurate control of automation, treatment effeciency is high, processing is superior in quality.
Description
Technical field
Optical fiber processing technical field is the utility model is related to, more particularly to a kind of optical fiber deuterium processing unit and system.
Background technology
Optical fiber can produce some free groups of unordered Si-O in pulling process, easily generate Si-OH, Si-OH with H
Easily make fiber ageing.Therefore various all-wave fibers will pass through deuterium processing after pulling silk, can withstand prolonged
The erosion of ambient containing hydrogen.
Deuterium processing optical fiber is the finishing operation of fiber manufacturing, and its mechanism of action is deuterium is formed with Si-O radical reactions
Si-OD, Si-OD can play a part of the position for preventing hydrogen from substituting deuterium, optical fiber is withstood prolonged ambient containing hydrogen
Erosion.It follows that the purpose of deuterium processing is to eliminate chemical bond defect existing for optical fiber, more precisely eliminates optical fiber and exist
The hydrogen loss of 1383 wave bands, that is, improve the resistant to hydrogen damage ability of optical fiber.
Deuterium processing is carried out to optical fiber, the concentration in process tank of deuterium need to meet the requirement of technique initialization, if deuterium
Gas concentration is too low, can influence the effect that deuterium is combined with Si-O free radicals, that is, influences to form Si-OD effect, and if deuterium
Gas concentration is too high, then can cause unnecessary waste, or even potential safety hazard be present.If processing dress can not be understood in real time online
The concentration of deuterium in putting, then processing procedure is opaque direction-free.And concentration of the deuterium in processing unit is just
Than pressure when deuterium conveys, so deuterium processing procedure pressure detecting is very important.
Typically by increasing pressure detecting link in deuterium processing procedure, closed-loop control is formed, to being needed in processing procedure
Gas usage be controlled, improve deuterium processing speed and effect.But in the prior art, common pressure gauge belongs to just
Ground indicator type pressure gauge, show the size of pressure value on the spot, do not possess teletransmission show, regulatory function, can not accurately control
Gas usage needed for system.With information-based and intelligentized development, traditional pressure is shown gradually shows function backwardness
The drawbacks of, industrial production demand far can not be met.Automaticity is low, it is impossible to monitoring in real time.
And in deuterium processing procedure, deuterium temperature is also an important governing factor.One in currently available technology
A little equipment do not have temperature control function, deuterium control function and imperfection.
Utility model content
Pressure detecting is inaccurate, can not monitor in real time and lacks temperature control during in order to solve deuterium processing in the prior art
The problem of processed, the utility model increase pressure detecting link, accurately by increasing automatic air supply device in deuterium processing procedure
Control process during the gas usage and temperature that need, improve the speed and effect of deuterium processing.
On the one hand, the utility model embodiment provides a kind of optical fiber deuterium processing unit, and the technical scheme is as follows：
Described device includes deuterium process tank, and the outside of the deuterium process tank is provided with one and communicated with deuterium processing chamber
Deuterium process tank air inlet, the deuterium process tank air inlet be connected with one be used for deuterium process tank intracavitary introduce deuterium and
The mixed gas of gas is protected to introduce pipe；
The deuterium process tank is internally provided with storage rack, pressure sensing mechanism and temperature control device, and the pressure passes
Mechanism is felt, for detecting the mixture pressure in the deuterium process tank；The temperature control device includes TEMP machine
Structure and heating-up mechanism, the temperature sensing mechanism are used to detect the temperature in deuterium process tank, and the heating-up mechanism is used to heat
Mixed gas in heating deuterium process tank；
Described device also includes vacuum device, for being vacuumized to deuterium processing chamber.
Specifically, described device also includes a deuterium skirt and a protection gas skirt, one end of the deuterium skirt and institute
State mixed gas and introduce pipe connection, the other end is connected with deuterium supply source, and one end of protection gas skirt is equally drawn with mixed gas
Enter pipe connection, the other end is connected with protection gas supply source.
Further, described device also includes at least two gas flow control mechanisms, is respectively arranged at the deuterium and draws
On the pipeline of pipe and protection gas skirt, for controlling deuterium skirt and protecting gas skirt to introduce the stream that the mixed gas introduces pipe
Amount.
Wherein, the gas flow control mechanism includes control ball valve, pressure-reducing valve, flowmeter and magnetic valve, and connects successively
It is connected on the pipeline of the deuterium skirt and protection gas skirt；Introduced in described mixed gas on the pipeline of pipe and be provided with a use
The deuterium that is introduced in control by the deuterium skirt and and the protection gas that is introduced by the protection gas skirt enter the deuterium
The mixed gas solenoid electric valve of process tank intracavitary.
Further, the vacuum device includes vaccum pump motor and vavuum pump, the vaccum pump motor and vavuum pump
Mating, is connected with one end of an exhaust tube on the air-inlet of vacuum pump of the vavuum pump, and the other end of exhaust tube and the deuterium
Gas disposal tank is connected and communicated with deuterium processing chamber, and vavuum pump gas outlet communicates with the external world.
On the other hand, the utility model embodiment additionally provides a kind of optical fiber deuterium processing system, including said apparatus and
Controller；Specifically include：
Pressure sensor block, for detecting the mixture pressure in deuterium process tank；
Temperature control modules, for detecting and controlling the temperature in the deuterium process tank；
Module is vacuumized, for being vacuumized to deuterium processing chamber；
Gas flow control module, for controlling deuterium skirt and protecting gas skirt to introduce the stream that mixed gas introduces pipe
Amount；
Heat up module, for heat temperature raising in deuterium process tank；
The pressure sensor block, temperature control modules, vacuumize module, gas flow control module and heating module with
The controller is connected；
The pressure sensor block vacuumizes module and gas flow-control module is connected with described；
The heating module is connected with the temperature control modules.
Further, the optical fiber deuterium processing system also includes control and display terminal, for operating and showing deuterium
Pressure and temperature control during processing.
The beneficial effect that technical scheme provided by the utility model is brought is：
1) the utility model embodiment is realized by sensor detecting and deuterium reaction pressure is monitored in real time so that
Deuterium reaction pressure can be grasped in real time, can according to timely adjustment is actually needed, improve optical fiber deuterium processing efficiency and
Quality；
2) the utility model embodiment participates in sensor detecting in system control, automatic during the course of the reaction to mend
Gas and heating, plant automation level is improved, improve the efficiency of deuterium processing；
3) multigroup deuterium process tank can be monitored and controlled simultaneously for the utility model embodiment, and be communicated using IO-Link
Technology, the long-range measurement of distributed slave station is realized, the analog signalses of collection are quickly transferred to by PLC by PROFINET networks
Control port, information transmission are accurate, timely, efficient；
4) the utility model embodiment monitoring pressure used time also can real-time detection temperature, and pass through PLC control realize
Temperature accurately controls.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation for optical fiber deuterium processing unit that the utility model embodiment provides；
Fig. 2 is a kind of structural representation for optical fiber deuterium processing system that the utility model embodiment provides；
Wherein reference is expressed as：101- deuterium process tanks, 102- deuteriums processing chamber, 103- deuteriums processing canister incoming gas
Mouthful, 104- mixed gas, which introduces, is managed, 105- storage racks, 106- pressure sensing mechanisms, 107- temperature control devices, and 108- is vacuumized
Mechanism, 109- deuterium skirts, 110- protection gas skirts, 111- deuterium supply sources, 112- protection gas supply sources, 113- gas flows
Controlling organization, 114- control ball valves, 115- pressure-reducing valves, 116- flowmeters, 117- magnetic valves, 118- mixed gas Electromagnetic Controls
Valve, 119- vavuum pumps, 120- vaccum pump motors, 121- air-inlet of vacuum pump, 122- exhaust tubes, 123- vavuum pumps gas outlet；
201- optical fiber deuteriums processing unit 201,202- controllers, 203- pressure sensor blocks, 204- temperature control modules, 205- take out very
Empty module, 206- gas flow control modules, 207- heating modules, 208- controls and display terminal.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, implement below in conjunction with the utility model
Accompanying drawing in example, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that described reality
It is only the utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belongs to this reality
With novel protected scope.
In order to which pressure automates asking for low with intellectuality, uncontrollable temperature when solving optical fiber deuterium processing in the prior art
Topic, the utility model provide a kind of optical fiber deuterium processing unit and system, it is anti-to realize deuterium by sensor detecting
Answer pressure to participate in system control, during the course of the reaction automatic inflating device, increase reaction pressure, improve the effect of deuterium processing
Rate.
Embodiment 1
The utility model embodiment provides a kind of optical fiber deuterium processing unit, and the technical scheme is as follows：
As shown in figure 1, described device includes deuterium process tank 101, the outside of the deuterium process tank 101 be provided with one with
The deuterium process tank air inlet 103 that deuterium processing chamber 102 communicates, the deuterium process tank air inlet 103 are connected with one and are used for
Deuterium is introduced into deuterium processing chamber 102 and protects the mixed gas of gas to introduce pipe 104；Optical fiber is positioned over containing certain dense
To spend in horizontal deuterium, deuterium is diluted to certain concentration level by protection gas, and deuterium forms Si-OD with Si-O radical reactions,
Prevent optical fiber surface hydrogen from forming silicone hydroxyl with silica radical reaction, optical fiber is withstood invading for prolonged ambient containing hydrogen
Erosion.Concentration of the deuterium in the mixed gas formed in protection gas is too low, the efficiency of reaction can be influenceed, if excessive concentration can be made
Wasted into unnecessary cost, so the deuterium reaction pressure that control is certain so that it is light that deuterium, which maintains suitable concentration level,
Very crucial control parameter in fine deuterium processing.
The deuterium process tank 101 is internally provided with storage rack 105, pressure sensing mechanism 106 and temperature control device
107；Wherein, the one or more that deuterium process tank 101 can accommodate can be set in the storage rack 105 in specific implementation, can
For carrying out deuterium processing to a plurality of optical fiber simultaneously.
The pressure sensing mechanism 106, for detecting the mixture pressure in the deuterium process tank；The utility model
Embodiment is realized by the setting of pressure sensor and deuterium reaction pressure is monitored in real time so that deuterium reaction pressure is real-time
It can grasp, the efficiency and quality of the processing of optical fiber deuterium according to timely adjustment is actually needed, can be improved；The temperature controller
Structure 107 includes temperature sensing mechanism and heating-up mechanism, and the temperature sensing mechanism is used to detect the temperature in deuterium process tank 101
Degree, the heating-up mechanism are used for mixed gas in heat temperature raising deuterium process tank 101；Meanwhile the utility model is also provided with pair
The real-time monitoring of the temperature of deuterium reaction, temperature is also parameter important in deuterium processing reaction, for reaction speed and efficiency
Have an impact；The utility model embodiment participates in sensor detecting in system control, by the temperature monitored in real time and
The feedback of the information of pressure automatic inflating device and heating during the course of the reaction, improves plant automation water to operation and display terminal
It is flat, improve the efficiency of deuterium processing.
Described device also includes vacuum device 108, for being vacuumized to deuterium processing chamber 102.Vacuum pumping is true
It also ensure that the concentration level of deuterium can be controlled accurately without other impurities gas in protection device.
Specifically, described device also includes a deuterium skirt 109 and a protection gas skirt 110, the deuterium skirt 109
One end introduces pipe 104 with the mixed gas and is connected, and the other end is connected with deuterium supply source 111, one end of protection gas skirt 10
Equally introduce pipe 104 with mixed gas to be connected, the other end is connected with protection gas supply source 112.It is filled with the two of deuterium processing unit
Road gas is exported respectively from deuterium supply source and protection gas supply source respectively by two independent skirts, and this two-way skirt is filling
Put and mixed gas introducing pipe is met at upper inlet, the intersection on the pipeline that described mixed gas introduces pipe 104 sets
Be equipped with one be used for control the deuterium that is introduced by the deuterium skirt and and protection gas entrance that is introduced by the protection gas skirt
The mixed gas solenoid electric valve 118 of the deuterium process tank intracavitary.The keying of this mixed gas solenoid electric valve is used to control
Whether two-way gas enters deuterium process tank 101.
Further, in order to accurately control the gas flow into device, described device also includes two gas flow controls
Mechanism 113a and 113b processed, it is respectively arranged on the pipeline of the deuterium skirt 109 and protection gas skirt 110, is respectively used to control
Deuterium skirt 109 processed and protection gas skirt 110 introduce the flow that the mixed gas introduces pipe 104.The accurate control of flow makes
The deuterium concentration level obtained in device confined space accurately can be obtained and controlled, and can be accurate by pressure sensing mechanism 106
Collection.
Wherein, as shown in figure 1, the gas flow control mechanism 113 includes control ball valve 114, pressure-reducing valve 115, flow
Meter 116 and magnetic valve 117, and be connected in turn on the pipeline of the deuterium skirt 109 and protection gas skirt 110；The control of deuterium
Ball valve, pressure-reducing valve, flowmeter and magnetic valve processed, right-to-left are set gradually on the pipeline of deuterium skirt, and the control ball valve leans on
Nearly deuterium source of the gas, the magnetic valve on deuterium skirt pipeline is close to mixed gas solenoid electric valve；And protect the control ball valve of gas, subtract
Pressure valve, flowmeter and magnetic valve, right-to-left are set gradually on the pipeline of protection gas skirt, and the control ball valve is close to protection gas
Source of the gas, the magnetic valve on gas skirt pipeline is protected close to mixed gas solenoid electric valve；The flow on pipeline each led the way
Accurate control allows deuterium and protection gas accurately to obtain and control into the concentration level in device confined space, and can
Accurately gathered by pressure sensing mechanism 106.
Further, the vacuum device 108 includes vaccum pump motor 119 and vavuum pump 120, the vaccum pump motor
119 are coupled with vavuum pump 120, and one end of an exhaust tube 122 is connected with the air-inlet of vacuum pump 121 of the vavuum pump 120, and
The other end of exhaust tube 122 is connected with the deuterium process tank 101 and communicated with deuterium processing chamber 102, vavuum pump
Gas outlet 123 communicates with the external world.Vacuum pumping ensures to also ensure that the concentration level of deuterium in device without other impurities gas
Can accurately it control.
The utility model embodiment has reached following beneficial effect：
1) device that the utility model embodiment is related to includes pressure sensor, is realized by sensing detection technology to deuterium
Solid/liquid/gas reactions pressure monitors in real time so that deuterium reaction pressure can be grasped in real time, can be improved according to timely adjustment is actually needed
The efficiency and quality of optical fiber deuterium processing；
2) device that the utility model embodiment is related to also includes temperature sensor, by the way that temperature detection technology is participated in
In system control, automatic heating, is optimal optical fiber processing temperature during the course of the reaction, improves plant automation level, carries
The high efficiency of deuterium processing.
Embodiment 2
The utility model embodiment additionally provides a kind of optical fiber deuterium processing system, as shown in Fig. 2 including above-mentioned optical fiber deuterium
Flash Gas Compression Skid System 201 and controller 202；Specifically include：
Pressure sensor block 203, for detecting the mixture pressure in deuterium process tank；The utility model embodiment relates to
And system include pressure sensor block, realize deuterium reaction pressure monitored in real time by sensing and detecting system control,
So that deuterium reaction pressure can be grasped in real time, the effect of optical fiber deuterium processing according to timely adjustment is actually needed, can be improved
Rate and quality；
Temperature control modules 204, for detecting and controlling the temperature in the deuterium process tank；The utility model embodiment
The system being related to includes temperature sensing module, by the way that temperature detection technology is participated in system control, during the course of the reaction certainly
Dynamic heating, is optimal optical fiber processing temperature, improves plant automation level, improves the efficiency of deuterium processing.The system
Also include heating module 207, for heat temperature raising in deuterium process tank；The heating module 207 and the temperature control mould
Block 204 is connected.The utility model embodiment monitoring pressure used time also can real-time detection temperature, and pass through PLC control realize
Temperature accurately controls.
Module 205 is vacuumized, for being vacuumized to deuterium processing chamber；Gas flow control module 206, for controlling deuterium
Gas skirt and protection gas skirt introduce the flow that mixed gas introduces pipe；Pressure sensor block 203 vacuumizes module 205 with described
It is connected with gas flow-control module 206.The accurate control of flow make it that deuterium concentration level in device confined space can be with
It is accurate to obtain and control, and can accurately be gathered by pressure sensor block 203.
Pressure sensor block 203, temperature control modules 204, vacuumize module 205, gas flow control module 206 and rise
Warm module 207 is connected with the controller 202.
Multigroup deuterium process tank can be monitored and controlled simultaneously for the utility model embodiment, and using IO-Link communication skills
Art, the long-range measurement of distributed slave station is realized, the analog signalses of collection are quickly transferred to by PLC controls by PROFINET networks
Port processed, information transmission are accurate, timely, efficient.
Further, the optical fiber deuterium processing system also includes control and display terminal 208, for operating and showing deuterium
Pressure and temperature control during gas disposal.It can pass through for the real-time monitoring result of pressure and temperature
The major technique that the utility model embodiment is related to includes but is not limited to the IO-Link communication technologys, PROFINET leads to
Letter technology, gas pressure PID control technology, gas temperature PID control technology；And can be by increasing on original hardware foundation
Add CP-343 ethernet modules to set up PROFINET networks, quickly transmit the data of 6 IO-Link distant stations, each distant station
4 pressure sensors of upper connection.In specific implementation, the pressure sensor that is connected on IO-Link distant stations and each distant station
Quantity can be limited one or more.The IO-Link communication technologys are utilized with this, realize the long-range survey of distributed slave station
Amount, meet the requirement of more case optical fiber deuterium processing.The analog signalses of collection are quickly transferred to by PLC by PROFINET networks
Control port, the pressure and temperature of real-time detection fiber deuterium reaction, and realize that temperature accurately controls by PLC controls.
To sum up, the utility model has following beneficial effect：
1) the utility model embodiment is realized by sensing detection technology and deuterium reaction pressure is monitored in real time so that deuterium
Solid/liquid/gas reactions pressure can be grasped in real time, according to timely adjustment is actually needed, can improve the efficiency and matter of the processing of optical fiber deuterium
Amount；
2) the utility model embodiment participates in sensor detecting in system control, automatic during the course of the reaction to mend
Gas and heating, plant automation level is improved, improve the efficiency of deuterium processing；
3) multigroup deuterium process tank can be monitored and controlled simultaneously for the utility model embodiment, and be communicated using IO-Link
Technology, the long-range measurement of distributed slave station is realized, the analog signalses of collection are quickly transferred to by PLC by PROFINET networks
Control port, information transmission are accurate, timely, efficient；
4) the utility model embodiment monitoring pressure used time also can real-time detection temperature, and pass through PLC control realize
Temperature accurately controls.
Above-mentioned all optional technical schemes, alternative embodiment of the present utility model can be formed using any combination, herein
No longer repeat one by one.
It should be noted that：What above-described embodiment provided is carrying out deuterium to optical fiber deuterium processing unit and system to optical fiber
, can be as needed and by above-mentioned work(only with the division progress of above-mentioned each functional module for example, in practical application during processing
It can distribute and be completed by different functional modules, i.e., the internal structure of equipment or system is divided into different functional modules, with complete
Into all or part of function described above.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (7)
1. a kind of optical fiber deuterium processing unit, it is characterised in that described device includes deuterium process tank, the deuterium process tank
Outside is provided with a deuterium process tank air inlet communicated with deuterium processing chamber, and the deuterium process tank air inlet is connected with one
For introducing pipe to the mixed gas that deuterium process tank intracavitary introduces deuterium and protects gas；
The deuterium process tank is internally provided with storage rack, pressure sensing mechanism and temperature control device, the pressure sensing machine
Structure, for detecting the mixture pressure in the deuterium process tank；The temperature control device include temperature sensing mechanism and
Heating-up mechanism, the temperature sensing mechanism are used to detect the temperature in deuterium process tank, and the heating-up mechanism is used for heat temperature raising
Mixed gas in deuterium process tank；
Described device also includes vacuum device, for being vacuumized to deuterium processing chamber.
2. a kind of optical fiber deuterium processing unit according to claim 1, it is characterised in that described device also includes a deuterium
Skirt and a protection gas skirt, one end and the mixed gas of the deuterium skirt introduce pipe and are connected, and the other end supplies with deuterium
Connected to source, protect one end of gas skirt equally to introduce pipe with mixed gas and be connected, the other end is connected with protection gas supply source.
3. a kind of optical fiber deuterium processing unit according to claim 1 or 2, it is characterised in that described device is also included extremely
Few two gas flow control mechanisms, it is respectively arranged on the pipeline of the deuterium skirt and protection gas skirt, for controlling deuterium
Gas skirt and protection gas skirt introduce the flow that the mixed gas introduces pipe.
A kind of 4. optical fiber deuterium processing unit according to claim 3, it is characterised in that the gas flow control mechanism
Including control ball valve, pressure-reducing valve, flowmeter and magnetic valve, and it is connected to the deuterium skirt in turn and protects the pipeline of gas skirt
On；Described mixed gas introduce on the pipeline of pipe be provided with one be used for control by deuterium skirt introducing deuterium and
Enter the mixed gas solenoid electric valve of the deuterium process tank intracavitary with the protection gas introduced by the protection gas skirt.
5. a kind of optical fiber deuterium processing unit according to claim 1, it is characterised in that the vacuum device includes true
Empty pump motor and vavuum pump, the vaccum pump motor are coupled with vavuum pump, are connected with the air-inlet of vacuum pump of the vavuum pump
One end of one exhaust tube, and the other end of exhaust tube is connected with the deuterium process tank and handles chamber phase with the deuterium
Logical, vavuum pump gas outlet communicates with the external world.
6. a kind of optical fiber deuterium processing system, it is characterised in that including device as claimed in claim 1 and controller；Specifically
Including：
Pressure sensor block, for detecting the mixture pressure in deuterium process tank；
Temperature control modules, for detecting and controlling the temperature in the deuterium process tank；
Module is vacuumized, for being vacuumized to deuterium processing chamber；
Gas flow control module, for controlling deuterium skirt and protecting gas skirt to introduce the flow that mixed gas introduces pipe；
Heat up module, for heat temperature raising in deuterium process tank；
The pressure sensor block, temperature control modules, vacuumize module, gas flow control module and heating module with it is described
Controller is connected；
The pressure sensor block vacuumizes module and gas flow-control module is connected with described；
The heating module is connected with the temperature control modules.
A kind of 7. optical fiber deuterium processing system according to claim 6, it is characterised in that the optical fiber deuterium processing system
Also include control and display terminal, for operating and showing pressure and temperature control during deuterium processing.
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| CN201720584922.0U CN206814639U (en) | 2017-05-24 | 2017-05-24 | A kind of optical fiber deuterium processing unit and system |
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| CN201720584922.0U CN206814639U (en) | 2017-05-24 | 2017-05-24 | A kind of optical fiber deuterium processing unit and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929050A (en) * | 2017-05-24 | 2018-12-04 | 中天科技光纤有限公司 | A kind of optical fiber deuterium processing unit, system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108929050A (en) * | 2017-05-24 | 2018-12-04 | 中天科技光纤有限公司 | A kind of optical fiber deuterium processing unit, system and method |
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