CN103771362A - Online purifying system of waste helium generated in optical fiber manufacturing - Google Patents
Online purifying system of waste helium generated in optical fiber manufacturing Download PDFInfo
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- CN103771362A CN103771362A CN201410036719.0A CN201410036719A CN103771362A CN 103771362 A CN103771362 A CN 103771362A CN 201410036719 A CN201410036719 A CN 201410036719A CN 103771362 A CN103771362 A CN 103771362A
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Abstract
The invention discloses an online purifying system of waste helium generated in optical fiber manufacturing. The online purifying system comprises a recovering unit, a membrane separating unit, and a gas supplying unit, wherein the recovering unit comprises a gas collecting tank, and a booster pump; the membrane separating unit comprises an adsorber, a membrane separator, a buffer tank, and a purity analyzer; the gas supplying unit comprises a pressure stabilizing tank and a pressure adjusting valve. According to the online purifying system, by adopting a mode of combining a high-pressure adsorption technology and a membrane separation technology, purification of helium-rich tail gas is realized, and purified tail gas is supplied to an optical fiber wiredrawing cooling tower and a preformed rod manufacturing process for being used. According to the online purifying system, low-concentration waste helium with a purity of lower than 50 percent is recovered and purified, the purity of the waste helium after being purified is not less than 99 percent, and the recovering rate is not less than 70 percent. The online purifying system mainly consumes electricity; the electric power is 15-20 kW and is very small in consumption as compared with saved helium cost.
Description
Technical field
The present invention relates to helium recovery system field, be specially the useless online purification system of helium of a kind of fiber manufacturing.
Background technology
Helium is a kind of rare strategic resource, Chinese as one of Pin Hai state, long-term dependence on import, and it is particularly important that the properly distributed to helium resource and application seem.
Helium is widely used in the fields such as space flight, military affairs, scientific research always.Along with China's industry is growing and growth, the consumption of some industrial circle helium is also considerable, the industries such as such as air-conditioning, optical fiber cable, semi-conductor.The general direct consumption of industrial helium, is discharged in atmosphere, not to the helium in tail gas reclaim, the aftertreatment such as purification.It is not high that its reason generally accounts for product material cost proportion with helium, do not possess recovering condition or recovery difficult is large, and the immature grade of purification techniques is main.Helium purity in industrial helium tail gas generally can not reach 30%～70% not etc., if these helium resources are wasted, this makes the matter worse beyond doubt to China of poor helium originally.In recent years, along with the control of world market to helium resource, the control of domestic industry industry to product cost, the recovery purifier apparatus of rich helium tail gas is ready to appear.
Summary of the invention
The object of this invention is to provide the useless online purification system of helium of a kind of fiber manufacturing, supply with the large problem of difficulty with the online recycling, purification, the secondary that solve the rich helium tail gas producing in wire drawing cooling tower and the prefabricated rods course of processing in optical fiber industry, realize recycling of helium resource, reduce the waste of helium resource.Use this online recycling, purification system can realize by concentration lower than 50% useless helium be purified to 99% purity and more than, the rate of recovery is not less than 85%.
In order to achieve the above object, the technical solution adopted in the present invention is:
The fiber manufacturing online purification system of helium that gives up, is characterized in that: comprise recovery unit, film subdivision, air supply unit, wherein:
Described recovery unit comprises air collector, topping-up pump, and air collector is communicated with outside each drawing optical fibers cooling tower or prefabricated rods manufacturing installation by admission passage, and air collector is communicated with film subdivision by outlet pipe, and described topping-up pump is communicated with air collector by pipeline; First topping-up pump forms negative pressure in air collector, in each drawing optical fibers cooling tower or prefabricated rods manufacturing installation, rich helium tail gas is subject to the negative-pressure sucking that topping-up pump produces, flowing into air collector through admission passage collects, in air collector, rich helium tail gas, again after topping-up pump compression is boosted, enters film subdivision through outlet pipe;
Described film subdivision comprises adsorber, membrane separation apparatus, surge tank, purity check instrument, outlet pipe on air collector is communicated to adsorber, adsorber is more successively by pipeline and membrane separation apparatus, surge tank is communicated with, described purity check instrument coordinates with surge tank work, on described surge tank, be communicated with outlet pipe, return pipeline, on surge tank, outlet pipe is communicated to air supply unit, on surge tank, return pipeline is communicated in the air collector of recovery unit, the rich helium tail gas of being come by recovery unit carries out dust through adsorber, grease, after the Transformatin of steam, entering membrane separation apparatus by pipeline purifies, enter surge tank by pipeline again through the rich helium tail gas of purifying temporary, purity detecting instrument detects the helium purity of rich helium tail gas in surge tank, in the time detecting that in surge tank, helium purity does not reach the purity rubric of setting after membrane separation apparatus is purified, rich helium tail gas in surge tank is back to the air collector of recovery unit by return pipeline, in the time detecting that in surge tank, rich helium tail gas purity reaches the purity rubric of setting after membrane separation apparatus is purified, rich helium tail gas enters air supply unit by outlet pipe on surge tank,
Described air supply unit comprises buffer tank, relief valve, in film subdivision, on surge tank, outlet pipe is communicated to buffer tank by relief valve, described buffer tank is communicated with each drawing optical fibers cooling tower or prefabricated rods manufacturing installation by pipeline, the helium that the purity that surge tank flows out reaches standard enters buffer tank after relief valve decompression, is supplied to each drawing optical fibers cooling tower and prefabricated rods manufacturing installation by buffer tank.
The useless online purification system of helium of described fiber manufacturing, is characterized in that: between described air collector and film subdivision, on outlet pipe, under meter is installed.
The useless online purification system of helium of described fiber manufacturing, is characterized in that: the external standard supply gas pressure of described buffer tank helium gas source, supply with the loss of replenishment cycles helium and the normal helium reclaiming in purifier apparatus maintenance situation.
The present invention utilizes topping-up pump pull of vacuum that drawing optical fibers cooling tower or prefabricated rods manufacturing installation are exported to rich helium tail gas recycle, after topping-up pump compression is boosted, drying device is removed the steam in gas, enter film subdivision and carry out separating-purifying, helium purity after purifying can reach more than 85%, the rate of recovery can reach more than 90%, is gathered the keying of the signal control pumps such as pressure, flow, temperature, purity, valve by external control unit, realizes the automatization control of equipment.
The present invention adopts High Pressure Absorption and the pattern that film point technology combines, and realizes the purification of rich helium tail gas, continues to supply with drawing optical fibers cooling tower and the use of prefabricated rods manufacturing installation.Helium purity lower than the useless helium of 50% concentration after purifying can reach more than 99%, and the rate of recovery reaches more than 85%, and system is processed gas flow and is not less than 40 L/min.User's air supply source is caused in this equipment, with the helium of loss in replenishment cycles simultaneously.When this equipment orderly closedown is safeguarded, the direct air feed of user's source of the gas, to cooling tube, does not affect the normal production and operation.The main energy consumption of the present invention is electricity, and electric power is 15～20kW, and compared with the helium cost of saving, accounting is very little.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present invention.
Embodiment
As shown in Figure 1.The fiber manufacturing online purification system of helium that gives up, comprises recovery unit 1, film subdivision 2, air supply unit 3.Wherein recovery unit 1 comprises air collector 101, topping-up pump 102, under meter 103; Film subdivision 2 comprises adsorber 201, membrane separation apparatus 202, surge tank 203, purity detecting instrument 204; Air supply unit 3 comprises relief valve 301, buffer tank 302.
Recovery unit 1 comprises air collector 101, topping-up pump 102, under meter 103.The negative-pressure sucking that rich helium tail gas gas in each drawing optical fibers cooling tower and prefabricated rods manufacturing installation is produced by topping-up pump 102, flowing into air collector 101 through pipeline collects, in air collector 101, rich helium tail gas, again after topping-up pump 102 compressions are boosted, connects and enters film subdivision 2 through pipeline.Under meter 103 is arranged on the pipeline that air collector 101 is connected to film subdivision 2, is used for monitoring to reclaim the flow of tail gas.
Film subdivision 2 comprises adsorber 201, membrane separation apparatus 202, surge tank 203, in recovery unit 1, the pipeline of air collector 101 is connected to the adsorber 201 of film subdivision 2, the useless helium flow of being come by recovery unit 1 carries out dust through adsorber 201, grease, after the Transformatin of steam, entering membrane separation apparatus 202 by pipeline purifies, enter surge tank 203 through the rich helium tail gas of purifying by pipeline temporary, purity detecting instrument 204 detects the helium purity of rich helium tail gas in surge tank 203, account for 85% left and right when detecting after membrane separation apparatus 202 primary purifications in surge tank 203 that helium purity reaches helium, in surge tank 203, rich helium tail gas enters air supply unit 3 by pipeline, in the time detecting that in surge tank 203, helium purity does not reach the purity rubric of setting after membrane separation apparatus 202 is purified, rich helium tail gas in surge tank 203 is back to the air collector 101 of recovery unit 1 by Returning pipe.
Air supply unit 3 comprises relief valve 301, buffer tank 302, and the purity that surge tank 203 flows out reaches the helium of standard after relief valve 301 decompressions, enters buffer tank 302 by pipeline, is supplied in each drawing optical fibers cooling tower and prefabricated rods manufacture by buffer tank 302.The external standard supply gas pressure of buffer tank 302 helium gas source, supplies with the loss of replenishment cycles helium and the normal helium reclaiming in purifier apparatus maintenance situation, guarantees normally to produce.
The pattern that the present invention adopts High Pressure Absorption to combine with membrane separation technique, has realized online recycling and the purification of the rich helium tail gas of optical fibre cooling tube.Helium purity after purifying can reach more than 99%, can supply with user side continuation use by secondary, has realized recycling of helium.User's air supply source is caused in this equipment, with the helium of loss in replenishment cycles simultaneously.When this equipment orderly closedown is safeguarded, the direct air feed of user's source of the gas, to drawing optical fibers cooling tower and prefabricated rods manufacturing installation, does not affect the normal production and operation.
Claims (3)
1. the useless online purification system of helium of fiber manufacturing, is characterized in that: comprise recovery unit, film subdivision, air supply unit, wherein:
Described recovery unit comprises air collector, topping-up pump, and air collector is communicated with outside each drawing optical fibers cooling tower or prefabricated rods manufacturing installation by admission passage, and air collector is communicated with film subdivision by outlet pipe, and described topping-up pump is communicated with air collector by pipeline; First topping-up pump forms negative pressure in air collector, in each optical fiber cooling tower or prefabricated rods manufacturing installation, rich helium tail gas is subject to the negative-pressure sucking that topping-up pump produces, flow into air collector through admission passage and collect, in air collector, rich helium tail gas, again after topping-up pump compression is boosted, enters film subdivision through outlet pipe;
Described film subdivision comprises adsorber, membrane separation apparatus, surge tank, purity check instrument, outlet pipe on air collector is communicated to adsorber, adsorber is more successively by pipeline and membrane separation apparatus, surge tank is communicated with, described purity check instrument coordinates with surge tank work, on described surge tank, be communicated with outlet pipe, return pipeline, on surge tank, outlet pipe is communicated to air supply unit, on surge tank, return pipeline is communicated in the air collector of recovery unit, the rich helium tail gas of being come by recovery unit carries out dust through adsorber, grease, after the Transformatin of steam, entering membrane separation apparatus by pipeline purifies, enter surge tank by pipeline again through the rich helium tail gas of purifying temporary, purity detecting instrument detects the helium purity of rich helium tail gas in surge tank, in the time detecting that in surge tank, helium purity does not reach the purity rubric of setting after membrane separation apparatus is purified, rich helium tail gas in surge tank is back to the air collector of recovery unit by return pipeline, in the time detecting that in surge tank, rich helium tail gas purity reaches the purity rubric of setting after membrane separation apparatus is purified, rich helium tail gas enters air supply unit by outlet pipe on surge tank,
Described air supply unit comprises buffer tank, relief valve, in film subdivision, on surge tank, outlet pipe is communicated to buffer tank by relief valve, described buffer tank is communicated with each drawing optical fibers cooling tower or prefabricated rods producing apparatus by pipeline, the helium that the purity that surge tank flows out reaches standard enters buffer tank after relief valve decompression, is supplied to each drawing optical fibers cooling tower and prefabricated rods producing apparatus by buffer tank.
2. the useless online purification system of helium of fiber manufacturing according to claim 1, is characterized in that: between described air collector and film subdivision, on outlet pipe, under meter is installed.
3. the useless online purification system of helium of fiber manufacturing according to claim 1, is characterized in that: the external standard supply gas pressure of described buffer tank helium gas source, supply with the loss of replenishment cycles helium and the normal helium reclaiming in purifier apparatus maintenance situation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410036719.0A CN103771362B (en) | 2014-01-25 | 2014-01-25 | Fiber manufacturing gives up the online purification system of helium |
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| CN201410036719.0A CN103771362B (en) | 2014-01-25 | 2014-01-25 | Fiber manufacturing gives up the online purification system of helium |
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| CN103771362A true CN103771362A (en) | 2014-05-07 |
| CN103771362B CN103771362B (en) | 2015-09-30 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104555955A (en) * | 2014-12-30 | 2015-04-29 | 中天科技光纤有限公司 | Method and equipment for recycling He (helium) for optical fiber cooling pipe |
| CN105152148A (en) * | 2015-08-21 | 2015-12-16 | 北京回能环保科技有限公司 | Recovery system for helium in fiber drawing furnace |
| CN104003361B (en) * | 2014-05-26 | 2016-02-03 | 安徽万瑞冷电科技有限公司 | The equipment of online purifying and the useless helium of circulation air conditioner leak detection |
| CN106477875A (en) * | 2015-08-27 | 2017-03-08 | 北京回能环保科技有限公司 | A kind of fiber drawing furnace helium catcher |
| CN106744749A (en) * | 2016-11-30 | 2017-05-31 | 富通集团（嘉善）通信技术有限公司 | For the helium online recycling Application way and device of drawing optical fibers system |
| CN108328588A (en) * | 2018-04-19 | 2018-07-27 | 合肥硕朗自动化科技有限公司 | A kind of helium online recycling equipment for purifying |
| CN108821251A (en) * | 2018-07-10 | 2018-11-16 | 安徽万瑞冷电科技有限公司 | Fiber manufacturing cooling tube helium recovery system and control method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101654231A (en) * | 2009-09-25 | 2010-02-24 | 北京航空航天大学 | High-power helium recovery and purification system for aerostat |
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2014
- 2014-01-25 CN CN201410036719.0A patent/CN103771362B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101654231A (en) * | 2009-09-25 | 2010-02-24 | 北京航空航天大学 | High-power helium recovery and purification system for aerostat |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104003361B (en) * | 2014-05-26 | 2016-02-03 | 安徽万瑞冷电科技有限公司 | The equipment of online purifying and the useless helium of circulation air conditioner leak detection |
| CN104555955A (en) * | 2014-12-30 | 2015-04-29 | 中天科技光纤有限公司 | Method and equipment for recycling He (helium) for optical fiber cooling pipe |
| CN104555955B (en) * | 2014-12-30 | 2016-09-14 | 中天科技光纤有限公司 | A kind of optical fibre cooling tube circulated helium reuse method and equipment thereof |
| CN105152148A (en) * | 2015-08-21 | 2015-12-16 | 北京回能环保科技有限公司 | Recovery system for helium in fiber drawing furnace |
| CN105152148B (en) * | 2015-08-21 | 2018-02-02 | 北京回能环保科技有限公司 | A kind of fiber drawing furnace helium recovery system |
| CN106477875A (en) * | 2015-08-27 | 2017-03-08 | 北京回能环保科技有限公司 | A kind of fiber drawing furnace helium catcher |
| CN106744749A (en) * | 2016-11-30 | 2017-05-31 | 富通集团（嘉善）通信技术有限公司 | For the helium online recycling Application way and device of drawing optical fibers system |
| CN108328588A (en) * | 2018-04-19 | 2018-07-27 | 合肥硕朗自动化科技有限公司 | A kind of helium online recycling equipment for purifying |
| CN108821251A (en) * | 2018-07-10 | 2018-11-16 | 安徽万瑞冷电科技有限公司 | Fiber manufacturing cooling tube helium recovery system and control method |
| WO2020010773A1 (en) * | 2018-07-10 | 2020-01-16 | 安徽万瑞冷电科技有限公司 | Helium recovery system for cooling pipe made of optical fiber and control method |
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| CN103771362B (en) | 2015-09-30 |
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