CN208843735U - Fiber manufacturing cooling tube helium recovery system - Google Patents
Fiber manufacturing cooling tube helium recovery system Download PDFInfo
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- CN208843735U CN208843735U CN201821091145.7U CN201821091145U CN208843735U CN 208843735 U CN208843735 U CN 208843735U CN 201821091145 U CN201821091145 U CN 201821091145U CN 208843735 U CN208843735 U CN 208843735U
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- cooling tube
- helium
- gas
- recovery system
- fiber manufacturing
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Abstract
The utility model discloses a kind of fiber manufacturing cooling tube helium recovery systems, which is characterized in that including sequentially connected along main channel gas flow direction: acquisition unit, including air collector, the air collector one end connect single cooling tube by main channel；Compression unit, including compression pump suck the gas in cooling tube in the air collector when running；Purification unit purifies the gas for flowing through it；And air supply unit, including surge tank, the high-purity gas from the purification unit is received, and high-purity helium is delivered to single cooling tube.The utility model completes useless helium recovery, gaseous mixture purification, product gas supply for single wire drawing cooling tube is online, to effectively reduce the use of high-purity helium, greatlys save production cost.
Description
Technical field
The utility model relates to optical fiber fabrication arts, and in particular to a kind of single line wire-drawer-tower cooling tube helium recovery system.
Background technique
Helium is widely used in defence and military, scientific research, space flight and aviation, light as a kind of rare strategic resources
The fields such as fibre manufacture, air-conditioning leak detection.Content is few in air for helium, relies primarily on natural gas at present, then helium from day
It is separated in right gas, extraction difficulty is big, at high cost.Therefore limited helium resource is being protected, is studying efficiently useless helium and returns
Receipts and purification technique, are with a wide range of applications.In drawing optical fibers manufacturing field, in addition to fiber drawing furnace will use helium, helium
It is also typically used as cooling gas in wire-drawer-tower cooling tube.In the prior art, it not yet discloses and helium in cooling tube is carried out efficiently
The technical solution of recycling.
Utility model content
Problem makes improvements the utility model in view of the prior art, i.e., the technical problem to be solved is that mention for utility model
For a kind of fiber manufacturing cooling tube helium recovery system, the rich helium tail gas of wire-drawer-tower cooling tube can be recycled and be utilized.
Technical solution provided by the utility model are as follows:
A kind of fiber manufacturing cooling tube helium recovery system, which is characterized in that including along main channel gas flow direction according to
Secondary connection: acquisition unit, including air collector, the air collector one end connect single cooling tube by main channel；Compression unit, packet
Compression pump is included, sucks the gas in cooling tube in the air collector when running；Purification unit carries out the gas for flowing through it
Purifying；And air supply unit, including surge tank, the high-purity helium from the purification unit is received, and high-purity helium is defeated
It send to single cooling tube.The purification unit includes concatenated first order membrane separating and purifying device and second level membrane separating and purifying device,
The tail gas of the first order membrane separating and purifying device empties, and the tail gas of the second level membrane separating and purifying device returns to the air collector.
Further, the compression unit further includes the cooling driers and filter positioned at the compression pump downstream.
Further, the acquisition unit further includes first flowmeter, purity instrument and the first valve on main channel.
Further, the air supply unit further includes the second valve positioned at the surge tank upstream, is located at the surge tank
The second flowmeter and manually-operated gate in downstream.
Further, above-mentioned fiber manufacturing cooling tube helium recovery system further includes external helium gas source, is connected single cooling
Pipe, with the surge tank jointly to single cooling tube for helium, the surge tank downstream is equipped with check valve.
Further, the output end of the purification unit is additionally provided with the second channel for being connected to the air collector, this is second logical
Road is equipped with third valve.
Compared with prior art, there are following technological merits for the utility model:
1, the utility model is supplied for the rich helium tail gas acquisition of the online completion of single wire drawing cooling tube, purification, high-purity helium
It answers, to effectively reduce the use of fresh helium, greatlys save production cost.
2, system greatly reduces multi-thread helium tube while carrying out the useless helium recovery and purification that occur when helium recovery, purification
The problems such as low efficiency, system process parameters are unstable, circulated helium utilization rate is low.
3, system is equipped with inlet air flow meter, air inlet purity instrument and gas supply flow meter, gas supply purity instrument, convenient for accurately calculating
The product gas that the cooling helium tube helium purity of wire drawing is greater than 98% is supplied to after the useless amount of helium and purification got up from production line recycling
Amount, thus the effectively cooling helium tube circulated helium utilization rate of statistics wire drawing.
4, using advanced technologies such as efficient water-removing, dedusting, UF membranes, have miniaturization, low energy consumption, it is highly reliable, full-automatic,
The features such as maintenance cost is low.
Detailed description of the invention
Fig. 1 is fiber manufacturing cooling tube recovery system composition general diagram provided by the utility model, wherein arrow direction table
Show the direction of gas flowing.
Fig. 2 is the fiber manufacturing cooling tube recovery system specific structure principle process that the preferred embodiment in the utility model provides
Figure.
Specific embodiment
It is described below for disclosing the utility model so that those skilled in the art can be realized the utility model.It retouches below
Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.
As depicted in figs. 1 and 2, fiber manufacturing cooling tube helium recovery system 100 provided by the invention, for drawing single
Rich helium tail gas in silk tower cooler pipe 1 is recycled comprising along the sequentially connected acquisition unit of 105 gas flow of main channel
101, compression unit 102, purification unit 103 and air supply unit 104.The rich helium tail gas of cooling tube 1 is delivered to acquisition unit 101,
The high-purity helium of air supply unit 104 is supplied to single cooling tube 1.
Acquisition unit 101 includes air collector 6, and one end of air collector 6 is connected by main channel to be arranged on single cooling tube 1
Bleeding point.Main channel is equipped with manual metering valve 2, the first valve 3 to control inlet air flow between single cooling tube 1 and air collector 6
The size and start-stop of amount.Be additionally provided with flowmeter 4 and purity instrument 5 on main channel between single cooling tube 1 and air collector 6, for pair
The uninterrupted of gas and the content of helium are monitored.It should be noted that limited by wire drawing production technology, it is single cooling
Pipe 1 can not accomplish it is closed, recycle helium while portion of air is brought into form mixed gas, the mixed gas will enter collection
In gas tank 6.
Compression unit 102 includes compression pump 7, cooling driers 8, filter 9.The tiny structure effect that the operation of compression pump 7 generates will
Rich helium tail gas in single cooling tube 1 is sucked into air collector 6.The rich helium tail gas that cooling driers 8 are used to flow out compression pump 7 carries out
Cooling, removes vaporous water therein.Filter 9 is for being filtered the impurity in the rich helium tail gas flowed out through compression pump 7.It crosses
Filter 9 preferably uses the form of two-stage filter, sufficiently to remove little particle, dust, moisture.
The scheme of the preferred membrane separating and purifying of the present embodiment.Purification unit 103 includes concatenated first order membrane separating and purifying device
10a and second level membrane separating and purifying device 10b.Product gas after first order membrane separating and purifying device 10a is just purified is fed again into the
Second level membrane separating and purifying device is changed to 10b.The tail gas of first order membrane separating and purifying device 10a directly empties, second level membrane separating and purifying
The tail gas of device 10b returns to air collector 6.Membrane separation process separation gas technology is using some metal films or organic film to certain gases
Component has the characteristic of selectively penetrating and diffusion, to achieve the purpose that gas separation and purifying.It is with film two sides gas
Partial pressure difference is motive force, by dissolution, diffusion, infiltration, desorption, generates the difference of delivery rate between component to realize point
From.Compared with other isolation technics such as cryogenic condensation absorption method, pressure swing adsorption method, due to operating at normal temperature, it has
The features such as low energy consumption, easy to use and operating flexibility is big.
Air supply unit 104 is used for the high-purity helium that purification unit 103 provides, while high-purity helium is delivered to single cooling
Pipe 1.Air supply unit 104 includes surge tank 14, and the high-purity helium that second level membrane separating and purifying device 10b is exported is through the second valve 13
It is delivered in surge tank.The flowmeter 15 and manually-operated gate convenient for traffic monitoring are additionally provided on the supply air line of air supply unit 104
V4。
Preferably, fiber manufacturing cooling tube helium recovery system 100 further includes external helium gas source 17, directly with
Wire-drawer-tower cooling tube 1 connects, and supplies together to single cooling tube 1 with surge tank 14.This is because being recycled from single cooling tube 1
In rich helium tail gas and purification process, there are certain loss, whole amount of helium can constantly subtract in cyclic process for amount of helium
It is few.For ensure single 1 constant of cooling tube helium gas flow supply, a certain amount of helium need to be additionally provided be continuously replenished and follow
The helium lost during ring.Meanwhile when prevented also from 103 failure of compression unit 102 or purification unit, the helium of surge tank 14
Supply occurs in the case of interrupting, it is ensured that drawing optical fibers production line uninterruptedly operates.In addition, 17 reverse flow of helium gas source in order to prevent
Enter surge tank 14, therefore separately sets check valve 16 in the output end of surge tank 14 and protected.
Preferably, being equipped with purity instrument 11 in 103 output end of purification unit, detects that final products gas purity is greater than and set
Definite value (such as 98%), then automatically turn on gas supply the second valve 13, by gas up to standard by 14 pressure stabilizing of surge tank be supplied to individually it is cold
But pipe 1；If final products gas purity is less than setting value (such as 98%), third valve 12 is opened, gas up to standard is returned
The air collector 6 of 7 entrance of compression pump re-starts purification.
It should be noted that the first valve 3, the second valve 13 and the preferred electronic valve of third valve 12, convenient for according to being
The use demand of system carries out intelligentized control method.
The technology contents of the not detailed description of the utility model are well-known technique.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only the principles of the present invention, the utility model also has respectively on the premise of not departing from the spirit and scope of the utility model
Kind changes and improvements, these changes and improvements are both fallen in the range of claimed invention.The guarantor of the utility model
Shield range is defined by appended claims and its equivalent.
Claims (6)
1. a kind of fiber manufacturing cooling tube helium recovery system, which is characterized in that including along main channel gas flow direction successively
Connection:
Acquisition unit, including air collector, the air collector one end connect single cooling tube by main channel；
Compression unit, including compression pump suck the gas in cooling tube in the air collector when running；
Purification unit purifies the gas for flowing through it, the purification unit include concatenated first order membrane separating and purifying device and
Second level membrane separating and purifying device, the tail gas emptying of the first order membrane separating and purifying device, the second level membrane separating and purifying device
Tail gas returns to the air collector；And
Air supply unit, including surge tank receive the high-purity helium from the purification unit, and high-purity helium are delivered to list
A cooling tube.
2. fiber manufacturing cooling tube helium recovery system according to claim 1, which is characterized in that the compression unit is also
Cooling driers and filter including being located at the compression pump downstream.
3. fiber manufacturing cooling tube helium recovery system according to claim 1, which is characterized in that the acquisition unit is also
Including first flowmeter, purity instrument and the first valve being located on main channel.
4. fiber manufacturing cooling tube helium recovery system according to claim 1, which is characterized in that the air supply unit is also
The second valve including being located at the surge tank upstream, second flowmeter and manually-operated gate positioned at the surge tank downstream.
5. fiber manufacturing cooling tube helium recovery system according to claim 4, which is characterized in that further include external helium
Source connects single cooling tube, and with the surge tank jointly to single cooling tube for helium, the surge tank downstream is equipped with unidirectional
Valve.
6. fiber manufacturing cooling tube helium recovery system according to claim 1, which is characterized in that the purification unit
Output end is additionally provided with the second channel for being connected to the air collector, which is equipped with third valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091145.7U CN208843735U (en) | 2018-07-10 | 2018-07-10 | Fiber manufacturing cooling tube helium recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821091145.7U CN208843735U (en) | 2018-07-10 | 2018-07-10 | Fiber manufacturing cooling tube helium recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208843735U true CN208843735U (en) | 2019-05-10 |
Family
ID=66353014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821091145.7U Active CN208843735U (en) | 2018-07-10 | 2018-07-10 | Fiber manufacturing cooling tube helium recovery system |
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| Country | Link |
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| CN (1) | CN208843735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272030A (en) * | 2019-07-16 | 2019-09-24 | 成都中住光纤有限公司 | A kind of real-time helium recovery unit |
| WO2021227041A1 (en) * | 2020-05-15 | 2021-11-18 | 安徽万瑞冷电科技有限公司 | Helium recovery system for cooling pipe for optical fiber manufacturing |
| CN116119630A (en) * | 2023-02-22 | 2023-05-16 | 北京中科富海低温科技有限公司 | Normal-pressure helium recovery system and method |
-
2018
- 2018-07-10 CN CN201821091145.7U patent/CN208843735U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272030A (en) * | 2019-07-16 | 2019-09-24 | 成都中住光纤有限公司 | A kind of real-time helium recovery unit |
| WO2021227041A1 (en) * | 2020-05-15 | 2021-11-18 | 安徽万瑞冷电科技有限公司 | Helium recovery system for cooling pipe for optical fiber manufacturing |
| CN116119630A (en) * | 2023-02-22 | 2023-05-16 | 北京中科富海低温科技有限公司 | Normal-pressure helium recovery system and method |
| CN116119630B (en) * | 2023-02-22 | 2023-11-10 | 北京中科富海低温科技有限公司 | Normal-pressure helium recovery system and method |
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