CN103962021A - Concentration and pressure synchronously adjustable deuterium gas proportioning method for optical fibers - Google Patents
Concentration and pressure synchronously adjustable deuterium gas proportioning method for optical fibers Download PDFInfo
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- CN103962021A CN103962021A CN201410189283.9A CN201410189283A CN103962021A CN 103962021 A CN103962021 A CN 103962021A CN 201410189283 A CN201410189283 A CN 201410189283A CN 103962021 A CN103962021 A CN 103962021A
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Abstract
The invention relates to the field of optical fiber manufacture and particularly relates to a concentration and pressure synchronously adjustable deuterium gas proportioning method for optical fibers. The concentration and pressure synchronously adjustable deuterium gas proportioning method comprises the following steps of: starting a circulating water system of a deuterium gas proportioning unit; vacuumizing the deuterium gas proportioning unit; inputting pure deuterium gas and pure nitrogen gas with certain pressure into the deuterium gas proportioning unit; carrying out online real-time detection and control until the proportioned deuterium gas with the pressure of 0-100KPa, the concentration of 0.3-5.0 percent and the temperature is 20-50 DEG C is obtained; outputting the obtained proportioned deuterium gas to an optical fiber treatment working procedure for use. According to the concentration and pressure synchronously adjustable deuterium gas proportioning method disclosed by the invention, due to the adoption of online detection and control, the pure deuterium gas and the pure nitrogen gas can be proportioned to freely-designated concentration and pressure online and can adapt to double changes of the concentration and the pressure of the deuterium gas; synchronous proportioning of the concentration and the pressure of the deuterium gas is realized; deuterium gas supply is effectively controlled; the gas supply risk and cost are reduced; strong controllability is realized, the concentration of the deuterium gas is guaranteed and the gas supply efficiency of the gas is increased, and thus the production capacity of the optical fibers is improved.
Description
Technical field
The present invention relates to fiber manufacturing field, be specifically related to a kind of concentration, deuterium gas matching method for optical fiber that Simultaneous Pressure is adjustable.
Background technology
The invention belongs to the deuterium gas disposal operation of fiber manufacturing.Domestic each optical fiber manufacturer is the deuterium gas that direct purchase has mixed at present, and cost is expensive.
Prior art proposed nitrogen and deuterium gas to carry out the device of online proportioning in optical fiber processing, but the method that can not realize, mainly be difficult to control deuterium gas concentration and pressure simultaneously and automatically regulate its concentration to remain unchanged, as utility model 200920297990.4.Therefore existing fiber treatment process deuterium gas used, be direct purchase by gas manufacturer the deuterium gas of nitrogen and good certain concentration of deuterium gas proportioning.For fiber manufacturers, supply system increases, and controllability reduces, and cannot in use guarantee the concentration of deuterium gas; The gas generation business that can meet the demands few simultaneously, and Judge Method in Determining Supplying Risks is larger.In addition, buy deuterium gas that proportioning is good shared cost highly significant in fiber manufacturing chain, price advantage is obvious to buy separately nitrogen and deuterium gas.
Summary of the invention
For the deficiency existing in prior art, the invention provides a kind of deuterium gas concentration, pressure, controllability is strong, risk is low, cost is low, deuterium gas concentration is secure adjustable deuterium gas matching method for optical fiber of concentration, Simultaneous Pressure of can on-line synchronous regulating.
To achieve these goals, the present invention realizes by the following technical solutions:
Concentration, the deuterium gas matching method for optical fiber that Simultaneous Pressure is adjustable, comprise the steps,
(1) open the circulation of deuterium gas proportion unit;
(2) deuterium gas proportion unit is vacuumized;
(3) to deuterium gas proportion unit, input the pure deuterium gas of certain pressure, the online interior deuterium gas concentration of deuterium gas proportion unit and the deuterium atmospheric pressure of detecting in real time, control module is according to the deuterium gas concentration detecting and deuterium atmospheric pressure Data Control whether inputs pure deuterium gas until deuterium gas concentration and pressure reach setting value;
(4) to deuterium gas proportion unit, input the pure nitrogen gas of certain pressure, the online interior deuterium gas concentration of deuterium gas proportion unit and the deuterium atmospheric pressure of detecting in real time, control module is according to the deuterium gas concentration detecting and deuterium atmospheric pressure Data Control whether inputs pure nitrogen gas until the pressure of acquisition deuterium gas is that 0-100KPa, concentration are that 0.3-5.0%, temperature are the proportioning deuterium gas of 20-50 ℃, and the proportioning deuterium gas of gained outputs to optical fiber processing operation and uses;
(5) when the online deuterium atmospheric pressure detecting in real time in deuterium gas proportion unit is reduced to limit value, control module supplements pure deuterium gas automatically according to the deuterium gas concentration detecting and deuterium atmospheric pressure data, and repeating step (3) is until deuterium gas concentration and pressure reach setting value;
(6) control module supplements pure nitrogen gas automatically according to the deuterium gas concentration in the deuterium gas proportion unit detecting and deuterium atmospheric pressure data, and repeating step (4) outputs to the use of optical fiber processing operation until obtain proportioning deuterium gas;
(7) repeating step (5), (6).
Deuterium gas matching method for the optical fiber that above-mentioned a kind of concentration, Simultaneous Pressure is adjustable, the circulating water temperature of the deuterium gas proportion unit described in it is 20-50 ℃.
Deuterium gas matching method for the optical fiber that above-mentioned a kind of concentration, Simultaneous Pressure is adjustable, the deuterium gas described in it is by deuterium gas tank input deuterium gas matching device.
Deuterium gas matching method for the optical fiber that above-mentioned a kind of concentration, Simultaneous Pressure is adjustable, the nitrogen described in it is by Nitrogen Station input deuterium gas matching device.
Deuterium gas matching method for the optical fiber that above-mentioned a kind of concentration, Simultaneous Pressure is adjustable, the deuterium gas proportion unit described in it is large sealing tank.
Deuterium gas matching method for the optical fiber that above-mentioned a kind of concentration, Simultaneous Pressure is adjustable, the control module described in it is controlled the switch of deuterium gas, nitrogen and proportioning deuterium gas by two-position-five-way solenoid valve and mass flowmenter.
Deuterium gas matching method for the optical fiber that above-mentioned a kind of concentration, Simultaneous Pressure is adjustable, the control module described in it is by the input of PLC controls deuterium gas, nitrogen.
Beneficial effect:
The present invention is by online Detection & Controling, can make the online proportioning of pure nitrogen gas and pure deuterium gas to deuterium gas concentration, the pressure of appointment arbitrarily, and the dual variation of self adaptation deuterium gas concentration, pressure, realize the synchronous proportioning of deuterium gas concentration, pressure, effectively management and control deuterium gas supply, reduces gas supply risk and cost, controllability is strong, deuterium gas concentration is secure, improves gas efficiency of supply, thereby has improved optical fiber production ability.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, describe the present invention in detail;
Fig. 1 is proportioning schematic diagram of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the present invention.
With reference to Fig. 1, deuterium gas proportion unit 3 of the present invention utilizes deuterium gas and nitrogen supply (NS) pipeline from deuterium gas storage element 1 and nitrogen storage unit 2, to obtain a certain amount of deuterium gas and nitrogen, and the deuterium gas of the good specified pressure of proportioning, concentration, temperature is outputed to the operation of optical fiber processing.Deuterium gas proportion unit 3 adopts large sealing process tank, and deuterium gas storage element 1 adopts deuterium gas tank, and nitrogen storage unit 2 adopts Nitrogen Station.Deuterium gas proportion unit 3 comprises water temperature cycling element, and its temperature of setting according to control module 6 is controlled the temperature after deuterium gas proportioning, to adapt with the optical fiber processing of postorder.
In to the process of deuterium gas proportioning, the improper meeting of some or all of control in the pressure and other parameters of deuterium gas concentration, temperature, proportioning deuterium gas causes the deuterium gas after proportioning to be not suitable for optical fiber processing operation, thereby may cause the anti-Hydrogen Energy power of postorder optical fiber to reduce.In the present embodiment, according to current optical fiber production situation, the parameter control range that setting unit 5 arranges is respectively: proportioning deuterium gas target concentration range: 0.3%-5.0%, and the temperature range of proportioning deuterium gas: 20-50 ℃, proportioning deuterium gas goal pressure scope: 0-100kPa.
The present invention includes the detecting unit 4 of concentration and pressure, it is respectively before deuterium gas proportioning, deuterium gas concentration and pressure in deuterium gas proportion unit 3 are detected, to determine whether deuterium gas concentration and gas pressure in deuterium gas proportion unit 3 reach requirement, control module 6 determines whether to proceed to be filled with the operation of nitrogen or deuterium gas; In deuterium gas proportioning, deuterium gas concentration and gas pressure in deuterium gas proportion unit 3 are detected, to determine whether concentration and the pressure of deuterium gas reaches setting value, control module 6 determines whether to continue to pass into nitrogen or deuterium gas according to testing result, and when proportioning, in the time of can be according to pressure detecting, judge whether deuterium gas proportion unit occurs pressure leakages; After deuterium gas proportioning, deuterium gas tank is carried out to concentration and pressure detecting, control module 6 judges whether to reach setting value according to testing result, to determine whether proceed charge operation.
The present invention adopts two-position-five-way solenoid valve and mass flowmenter to carry out the opening and closing operations to each gas storage unit as gas switch controller, control module 6 is controlled magnetic valve according to the detected value of the setting value of setting unit 5 and detecting unit 4, thereby realizes the on-line automatic proportioning of gas.After completing proportioning processing, be supplied to optical fiber processing to use the good gas of proportioning.Also can adopt other suitable magnetic valves.
Control module 6 is programmable logic controller (PLC) preferably, and it not only can control the input of nitrogen and deuterium gas, can also control simultaneously and output to a plurality of optical fiber treating devices, thereby improve gas supply capacity.
Embodiment 1
The proportioning deuterium gas of 25 ℃ of proportioning temperature, concentration 1.0%, pressure 80kPa of take is example, according to the mixed deuterium method of on-line automaticization provided by the invention, should carry out following steps: temperature control: to the logical recirculated water of deuterium gas proportion unit 3, guarantee that the interior temperature of its tank and pipe temperature are 25 ℃ of constant temperature; Vacuumize: first deuterium gas proportion unit 3 is vacuumized, get rid of the air in deuterium gas proportion unit 3; Be filled with deuterium gas: the deuterium gas in deuterium gas storage element 1 is filled into deuterium gas proportion unit 3 to pressure 800Pa; Be filled with nitrogen: the nitrogen in nitrogen storage unit 2 is filled into deuterium gas proportion unit 3 to force value to reaching 80kPa; Proportioning deuterium gas: in these cases, deuterium gas and nitrogen automatically mix rapidly and reached 25 ℃, 1.0%, 80kPa in proportion unit;
Embodiment 2
After embodiment 1 completes, because certain reason causes gas concentration in proportion unit and pressure, become 0.3%, during 50kPa, now programme-control first supplements deuterium gas to pressure 50.65kPa, then supplements nitrogen and can recover deuterium gas concentration 1.0%, pressure 80kPa to pressure 80kPa.
Embodiment 3
After embodiment 1 completes, because certain reason causes, proportion unit pressure 80kPa does not become, concentration reduces to 0.3%, now programme-control is first evacuated to pressure 79.438kPa to deuterium gas proportion unit, then supplements deuterium gas and can recover deuterium gas concentration 1.0%, pressure 80kPa to 80kPa.
In case study on implementation, utilize on-off controller control the supply of nitrogen and deuterium gas and stop.Utilize concentration and pressure sensing cell to detect concentration value and the force value in deuterium gas proportion unit, and testing result is transported to control module, control module is compared and is decided the supply of deuterium gas and stop with setting value according to the value of detecting.After completing whole proportioning process, equipment indicating lamp gives a green light, and automatically switches to the state that can be optical fiber processing air feed, and when proportioning does not reach intended target, equipment indicating lamp gives a green light, and switches to and cannot carry out the state to optical fiber processing air feed.
The present invention is by online Detection & Controling, can make the online proportioning of pure nitrogen gas and pure deuterium gas to deuterium gas concentration, the pressure of appointment arbitrarily, and the dual variation of self adaptation deuterium gas concentration, pressure, realize the synchronous proportioning of deuterium gas concentration, pressure, effectively management and control deuterium gas supply, reduces gas supply risk and cost, controllability is strong, deuterium gas concentration is secure, improves gas efficiency of supply, thereby has improved optical fiber production ability.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. concentration, a deuterium gas matching method for optical fiber that Simultaneous Pressure is adjustable, is characterized in that, comprise the steps,
(1) open the circulation of deuterium gas proportion unit;
(2) deuterium gas proportion unit is vacuumized;
(3) to deuterium gas proportion unit, input the pure deuterium gas of certain pressure, the online interior deuterium gas concentration of deuterium gas proportion unit and the deuterium atmospheric pressure of detecting in real time, control module is according to the deuterium gas concentration detecting and deuterium atmospheric pressure Data Control whether inputs pure deuterium gas until deuterium gas concentration and pressure reach setting value;
(4) to deuterium gas proportion unit, input the pure nitrogen gas of certain pressure, the online interior deuterium gas concentration of deuterium gas proportion unit and the deuterium atmospheric pressure of detecting in real time, control module is according to the deuterium gas concentration detecting and deuterium atmospheric pressure Data Control whether inputs pure nitrogen gas until the pressure of acquisition deuterium gas is that 0-100KPa, concentration are that 0.3-5.0%, temperature are the proportioning deuterium gas of 20-50 ℃, and the proportioning deuterium gas of gained outputs to optical fiber processing operation and uses;
(5) when the online deuterium atmospheric pressure detecting in real time in deuterium gas proportion unit is reduced to limit value, control module supplements pure deuterium gas automatically according to the deuterium gas concentration detecting and deuterium atmospheric pressure data, and repeating step (3) is until deuterium gas concentration and pressure reach setting value;
(6) control module supplements pure nitrogen gas automatically according to the deuterium gas concentration in the deuterium gas proportion unit detecting and deuterium atmospheric pressure data, and repeating step (4) outputs to the use of optical fiber processing operation until obtain proportioning deuterium gas;
(7) repeating step (5), (6).
2. a kind of concentration according to claim 1, deuterium gas matching method for optical fiber that Simultaneous Pressure is adjustable, is characterized in that, the circulating water temperature of described deuterium gas proportion unit is 20-50 ℃.
3. a kind of concentration according to claim 1, deuterium gas matching method for optical fiber that Simultaneous Pressure is adjustable, is characterized in that, described deuterium gas is by deuterium gas tank input deuterium gas matching device.
4. a kind of concentration according to claim 1, deuterium gas matching method for optical fiber that Simultaneous Pressure is adjustable, is characterized in that, described nitrogen is by Nitrogen Station input deuterium gas matching device.
5. a kind of concentration according to claim 1, deuterium gas matching method for optical fiber that Simultaneous Pressure is adjustable, is characterized in that, described deuterium gas proportion unit is large sealing tank.
6. a kind of concentration according to claim 1, deuterium gas matching method for optical fiber that Simultaneous Pressure is adjustable, is characterized in that, described control module is controlled the switch of deuterium gas, nitrogen and proportioning deuterium gas by two-position-five-way solenoid valve and mass flowmenter.
7. a kind of concentration according to claim 1, deuterium gas matching method for optical fiber that Simultaneous Pressure is adjustable, is characterized in that, described control module is by the input of PLC controls deuterium gas, nitrogen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410189283.9A CN103962021B (en) | 2014-05-07 | 2014-05-07 | A kind of concentration, the adjustable optical fiber deuterium matching method of Simultaneous Pressure |
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| CN201410189283.9A CN103962021B (en) | 2014-05-07 | 2014-05-07 | A kind of concentration, the adjustable optical fiber deuterium matching method of Simultaneous Pressure |
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Cited By (1)
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| 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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