CN207643666U - Cable cooling Horizontal pressure cooling system - Google Patents
Cable cooling Horizontal pressure cooling system Download PDFInfo
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- CN207643666U CN207643666U CN201721640488.XU CN201721640488U CN207643666U CN 207643666 U CN207643666 U CN 207643666U CN 201721640488 U CN201721640488 U CN 201721640488U CN 207643666 U CN207643666 U CN 207643666U
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Abstract
The utility model discloses a kind of cable cooling Horizontal pressure cooling system, including cooling pipe, liquid feed device and compressed air conveying device, the horizontal accumbency setting of cooling pipe, the position that cable is pierced by cooling pipe is equipped with sealing device；The axially extending interior tube body of cooling pipe is divided into several cooling pipeline sections, and coolant liquid is independently conveyed in each cooling pipeline section；Liquid level in cooling pipeline section exceeds cable position always；Compressed air conveying device conveys compressed air into cooling pipe.The Horizontal pressure cooling system of the utility model, cable is axially across cooling pipe, while coolant liquid cools down cable, the compressed air of certain pressure applies pressure to offset the pressure of gas in cable copper pipe to cable, gas in copper pipe is sealed up for safekeeping in copper pipe, the horizontal accumbency setting of cooling pipe of the utility model, can install and use in single-storey factory building, easy to operate and easily controllable；The insulation maintenance cost and workshop building cost of cable can be reduced after use.
Description
Technical field
The utility model is related to a kind of cable cooling Horizontal pressure cooling systems.
Background technology
In having relaying submarine optical fiber cable, the copper pipe in structure has feeding function, is carried out to the repeater in cable long-term steady
Fixed reliably to power, the effect of repeater is to carry out opto-electronic conversion and force transfer to the optical signal of transmission, to realize optical signal
Ultra-long span transmission.So copper pipe needs always from shore-based power supply, and will in seabed at least safe and stable operation 25 years, therefore,
Extremely high requirement is proposed to the insulation performance of insulating layer.If failure of insulation, the maintenance cost of submarine optical fiber cable is high, and to public affairs
The reputation of department has a negative impact, therefore it is the important critical process for having relaying submarine optical fiber cable to squeeze out insulation process.And in having
After in the production of submarine optical fiber cable, argon arc welding solder skip can cause the defect of copper pipe, and the copper pipe after repairing there will still likely be small gas
Hole, in extrusion molding process, when gases are heated, they expand in copper pipe, can form insulation bubble in fault location, may seriously affect Submarine Optical
The insulation performance of cable, the performances such as insulation resistance, pressure resistance, the service life of product are decreased obviously.
In order to solve insulation air bubble problem, external main submarine optical fiber cable manufacturer mainly uses line cable industry universal at present
The catenary suspension type continuous vulcanization pressurized cooling system of use, catenary suspension type continuous vulcanization cooling system have the defect of the following aspects：
(1), workshop building is of high cost：Catenary suspension type continuous vulcanization pressure cooling pipe is high to the height of workshop and space requirement, workshop
Height at least needs 3 layers, significantly increases the construction cost of workshop.
(2), catenary suspension type continuous vulcanization pressure cooling pipe complex operation, equipment cost is expensive, and a set of domestic catenary suspension type continuous vulcanization pressure is cold
But piping cost is 1,500,000 or so, and then cost is exponentially double for import equipment.
(3), the workshop of built single-storey factory building or insufficient space, can not use catenary suspension type continuous vulcanization pressure cooling pipe.
Invention content
The technical problem to be solved by the present invention is to provide a kind of completely new Horizontal pressure cooling systems for cable cooling
System, can install and use in single-storey factory building, at low cost, easy to operate and easily controllable.
In order to solve the above-mentioned technical problem, the utility model provides a kind of cable cooling Horizontal pressure cooling system,
Include for cable to be cooled axially across cooling pipe, the horizontal accumbency setting of the cooling pipe, the cable is pierced by cooling
The position of pipeline is equipped with sealing device；The axially extending interior tube body of the cooling pipe is divided into several cooling pipeline sections；
It further includes the liquid feed device that coolant liquid is conveyed into each cooling pipeline section, in each cooling pipeline section solely
Vertical conveying coolant liquid；When the cable is axially across each cooling pipeline section, the liquid level in the cooling pipeline section exceeds cable institute always
In position；
It further includes compressed air conveying device, and it is empty that the compressed air conveying device conveys compression into cooling pipe
Gas, the compressed air pressure that the compressed air conveying device is conveyed into cooling pipe are 0.2~1.5MPa.
In one preferred embodiment of the utility model, further comprise passing through direction along the cable, to each described cold
But the coolant temperature conveyed in pipeline section continuously decreases, and the temperature difference for cooling down coolant liquid in pipeline section two-by-two is 8 DEG C~15 DEG C.
In one preferred embodiment of the utility model, further comprise being equipped with room temperature pressure positioned at the end of the cooling pipe
Solenoid section is marked with room temperature coolant liquid in the Pressure of Ambient Temperature pipeline section, and the compressed air conveying device is into Pressure of Ambient Temperature pipeline section
Convey compressed air.
In one preferred embodiment of the utility model, further comprise that the sealing device includes flange and seal assembly,
There are two the flange at least has, including first flange and second flange, the first flange is mounted on cooling pipe, described
First flange is equipped with adjusting screw rod, and the second flange is connected on adjusting screw rod, and the adjusting screw rod is equipped with for adjusting
The adjusting nut of whole first flange and second flange axial spacing；
The first bellows is connected between the first flange and second flange, the seal assembly is arranged in the first ripple
In pipe and between first flange and second flange；
The seal assembly includes sealing ring, embraces folder and compressed spring, and the sealing ring is ring cone structure, heavy caliber
End be connected in first flange, described armful of folder is connected to by compressed spring in second flange, and described armful clips described in pressure
The small-bore end of sealing ring.
In one preferred embodiment of the utility model, further comprise that the flange further includes third flange, the third
For flanged joint on adjusting screw rod, the adjusting screw rod is equipped with the tune for adjusting second flange and third flange axial spacing
Nut is saved, the first bellows is connected between the third flange and second flange, between the second flange and third flange
Equipped with the seal assembly.
In one preferred embodiment of the utility model, further comprise that the sealing ring is located on its small-bore end also
Equipped with sealing ring.
In one preferred embodiment of the utility model, further comprise that the coolant liquid liquid feed device includes liquid reserve tank, institute
It states liquid reserve tank and the cooling pipe is connected to liquid back pipe by inlet tube, liquid feed valve is equipped on the inlet tube and outlet tube,
The inlet tube is equipped with liquid feeding pump.
The Horizontal pressure cooling system of the utility model, cable carry out cable cold axially across cooling pipe, coolant liquid
But while, the compressed air of certain pressure offsets the pressure of gas in cable copper pipe to cable application pressure, will be in copper pipe
Gas seal up for safekeeping in copper pipe, the horizontal accumbency setting of the cooling pipe of the utility model can install and use in single-storey factory building,
It is easy to operate and easily controllable；The insulation maintenance cost and workshop building cost of cable can be reduced after use.
Description of the drawings
Fig. 1 is the structural schematic diagram of cooling system in the utility model first embodiment；
Fig. 2 is the structural schematic diagram of sealing device in the utility model first embodiment.
Wherein：1- extruding machines, 3- cables；
2- cooling pipes, 3- sealing devices, 4- first flanges, 6- second flanges, 8- third flanges, 10- adjusting screw rods,
12- adjusting nuts one, 13- adjusting nuts two, the first bellowss of 14-, 16- sealing rings, 18-, which is embraced, to be pressed from both sides, 20- compressed springs, and 22- is close
Seal ring, 24- liquid reserve tanks, 26- inlet tubes, 28- liquid back pipes, 30- liquid feeding pumps, the second bellowss of 32-.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment
As shown in Figs. 1-2, present embodiment discloses a kind of cable cooling Horizontal pressure cooling systems, are used for extrusion moulding
Cable cooling use after molding in machine, including the cooling pipe 2 of horizontal accumbency setting, liquid feed device and compressed air input dress
It sets, above-mentioned liquid feed device is used for for injecting coolant liquid, above-mentioned compressed air input unit into cooling pipe 2 to cooling pipe
Compressed air of the injection pressure in 0.2~1.5MPa in 2.One end of above-mentioned cooling pipe 2 is tightly connected with extruder head
(referred to as upper sealing), the cable exported in extrusion molding mechanism axially across cooling pipe 2, in cooling pipe 2 coolant liquid because of
Always exceed the position of cable, cable, which is pierced by the position of cooling pipe 2, is equipped with sealing device (referred to as lower sealing), cold
But pipeline 2 is after upper sealing and lower sealing, and the interior pressure for forming sealing cools down tube body, and cable is axially across cooling pipe 2
When, while coolant liquid cools down cable, the compressed air of certain pressure applies pressure to offset cable copper pipe to cable
The pressure of interior gas seals the gas in copper pipe in copper pipe up for safekeeping, it is ensured that the insulating properties of cable.
Specifically, the axially extending interior tube body of above-mentioned cooling pipe 2 is divided into four cooling pipeline sections and a room temperature pressure
Solenoid section, the coolant temperature injected into each cooling pipeline section and Pressure of Ambient Temperature pipeline section is all different, and wearing along cable
Direction is crossed, the coolant temperature injected into each cooling pipeline section continuously decreases, in the present embodiment technical solution, the first cooling pipeline section
The coolant temperature that the coolant temperature of interior injection is 60 DEG C~85 DEG C, is injected in the second cooling pipeline section is 55 DEG C~70 DEG C, the
The coolant temperature injected in three cooling pipeline sections is 40 DEG C~65 DEG C, the 4th interior coolant temperature injected of cooling pipeline section is 20 DEG C
~45 DEG C, the temperature difference for cooling down coolant liquid in pipeline section two-by-two is 8 DEG C~15 DEG C, injects room temperature coolant liquid in Pressure of Ambient Temperature pipeline section,
In the present embodiment technical solution, coolant liquid it is preferable to use technique tap water, it is whole in cooling pipe 2 (including the first cooling pipeline section,
Second cooling pipeline section, third cooling pipeline section, the 4th cooling pipeline section and Pressure of Ambient Temperature pipeline section) it is passed through the compressed air of uniform pressure,
And pressure sensor is equipped in each pipeline section, pressure value is acquired in real time, to ensure that pressure is relative constant.Different pipe sections (packet
Include the first cooling pipeline section, second cooling pipeline section, third cooling pipeline section, the 4th cooling pipeline section and Pressure of Ambient Temperature pipeline section) in respectively solely
Vertical injection liquid, and control the constant water temperature in each pipeline section.
More than, corresponding each cooling pipeline section and Pressure of Ambient Temperature pipeline section configure an independent liquid feed device, above-mentioned cooling
Liquid liquid feed device includes liquid reserve tank 24, and above-mentioned liquid reserve tank 24 is connected to above-mentioned cooling pipe 2 by inlet tube 26 with liquid back pipe 28, on
It states and is equipped with liquid feed valve on inlet tube 26 and outlet tube 28, above-mentioned inlet tube 26 is equipped with liquid feeding pump 30.Liquid feeding pump 30 is from water storage
Endlessly coolant liquid is pumped into respective pipeline section in case, by control liquid feed valve and liquid valve ensure in pipeline water inlet and
Water flow reaches relative equilibrium, and control liquid level submerges cable, reentered after return water in liquid reserve tank 24 always, and liquid reserve tank 24 is certainly
Band heating, liquid temperature detector is surveyed and detection and liquid level detection, it is ensured that the coolant liquid in each pipeline section is circulation constant temperature liquid.
The gas in cooling pipe is sealed using sealing device in the present embodiment technical solution, it is ensured that each cooling
Gas pressure in each pipeline section of pipeline is relative constant, and the preferred concrete structure of sealing device is as follows：
Above-mentioned sealing device includes flange and seal assembly, and there are two above-mentioned flange at least has, there are two close when flange for tool
Seal apparatus is formed as single sealing, and there are three sealing devices when flange to form double containment for tool, and there are four sealing device shapes when flange for tool
At three sealings, the level of the more sealings of number of flange is higher, it is preferable to use double containment, i.e. method in the present embodiment technical solution
There is orchid first flange 4, second flange 6 and the third flange 8 set gradually, above-mentioned first flange 4 to be mounted on cooling pipe 2
On, above-mentioned first flange 4 is equipped with adjusting screw rod 12, and above-mentioned second flange 6 and third flange 8 are both connected to adjusting screw rod 12
On, above-mentioned adjusting screw rod 12 is equipped with the adjusting nut 1 for adjusting 6 axial spacing of first flange 4 and second flange, use
In the adjusting nut 2 13 for adjusting second flange 6 and 8 axial spacing of third flange；
The first bellows 14, above-mentioned second flange 6 and third method are connected between above-mentioned first flange 4 and second flange 6
It is equipped with the first bellows 14 between orchid 8, seal assembly, above-mentioned second flange are equipped between above-mentioned first flange 4 and second flange 6
Seal assembly also is provided between 6 and third flange 8, and each seal assembly is arranged in corresponding first bellows 14.
Seal assembly between first flange 4 and second flange 6 includes sealing ring 16, embraces folder 18 and compressed spring 20, on
It is ring cone structure to state sealing ring 16, and bigbore end is connected in first flange 4, and above-mentioned armful of folder 18 passes through compressed spring
20 are connected in second flange 6, and above-mentioned armful of folder 18 compresses 16 small-bore end of above-mentioned sealing ring.
Seal assembly between second flange 6 and third flange 8 includes sealing ring 16, embraces folder 18 and compressed spring 20, on
It is ring cone structure to state sealing ring 16, and bigbore end is connected in second flange 6, and above-mentioned armful of folder 18 passes through compressed spring
20 are connected on third flange 8, and above-mentioned armful of folder 18 compresses 16 small-bore end of above-mentioned sealing ring.
Cable sequentially passes through first flange, first layer sealing ring, second flange, the second layer sealing ring when being pierced by cooling pipe
It is pierced by with after third flange, in the present embodiment technical solution, the material of the above sealing ring is all made of import polytetrafluoroethylene (PTFE) plank.
The sealing device sealing principle of the above structure is as follows：
Turn adjusting nut 1 reduces the spacing between first flange 4 and second flange 6, at this time the position of first flange 4
Set motionless, second flange 6 is moved to 4 direction of first flange, and second flange 6 drives during moving embraces folder and 18 compress sealing ring
16, side squeezes the cable for being adjacent to rounding to sealing ring 16 radially inward under the action of compressing power, and the dynamic of gas is realized with this
Sealing.The setting of the above compressed spring 20, on the one hand, pretightning force is provided when installation；On the other hand, reversed square turn adjusting nut
When one 12 depressurization state, the bounce of compressed spring savings being capable of Rapid reversal sealing.
Sealing principle between second flange 6 and third flange 8 is same as above, and details are not described herein again.
More than, the sealing device of optimizing structure design, it is ensured that seal compressed air up for safekeeping in the case where not damaging cable
In cooling pipe, pressure is relative constant in maintenance cooling pipe.
Above-mentioned sealing ring 16, which is located on its small-bore end, as a further improvement of the utility model, is additionally provided with sealing
Ring 22, the setting that sealing ring 22 can be dismantled is on sealing ring 16.It is logical that the center of flange offers the center being pierced by for cable
Hole, when actual installation, the aperture of central through hole generally all can be bigger than the outer diameter of cable, and second flange is close after being moved to first flange
The centre bore that seal ring 22 is used to block second flange 6 wears the gap after cable, improves sealing function.On the other hand, 22 He of sealing ring
Sealing ring 16 is easily-consumed products, and sealing ring 22 replaces sealing ring 16 to be in direct contact second flange 6, small area, can dismantle it is close
It can very easily be replaced after 22 seal failure of seal ring, and the sealing ring 16 of large volume obtains protection service life and can prolong
It is long, later maintenance cost is reduced, property easy to maintain is improved.
After being cooled down to cable using the above cooling system, there is following technical advantage：
1, it has solved relaying submarine optical fiber cable to insulate caused by solder skip air bubble problem, it is ensured that the insulating properties of cable.
2, insulation maintenance cost is reduced：At present copper pipe solder skip rate be 7 times/100 kilometers, according to production capacity be 5000 kilometers/
Year, insulation bubble maintenance cost is 500 yuan/place, cost-effective about 180,000/year；
3, the set pressure cooling pipe can be installed in single-storey factory building, reduce workshop building cost, can save workshop and build
It is set as sheet 10,000,000 or so；
4., technique and easy to operate, employee is easy to link up, and reduces production risk；
5, the set pressure pipeline cost is 800,000 or so, well below catenary suspension type continuous vulcanization pressure pipeline cost 1,500,000.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.Those skilled in the art on the basis of the utility model made by equivalent substitute or change
It changes, both is within the protection scope of the present invention.The scope of protection of the utility model is subject to claims.
Claims (7)
1. a kind of cable cooling Horizontal pressure cooling system, it is characterised in that：Include for cable to be cooled axially across it is cold
But pipeline, the horizontal accumbency setting of cooling pipe, the position that the cable is pierced by cooling pipe is equipped with sealing device；It is described cold
But the axially extending interior tube body of pipeline is divided into several cooling pipeline sections；
It further includes the liquid feed device that coolant liquid is conveyed into each cooling pipeline section, independent defeated in each cooling pipeline section
Send coolant liquid；When the cable is axially across each cooling pipeline section, it is in place that the liquid level in the cooling pipeline section exceeds cable institute always
It sets；
It further includes compressed air conveying device, and the compressed air conveying device conveys compressed air into cooling pipe, institute
It is 0.2~1.5MPa to state the compressed air pressure that compressed air conveying device is conveyed into cooling pipe.
2. cable cooling Horizontal pressure cooling system as described in claim 1, it is characterised in that：Along passing through for the cable
Direction, the coolant temperature conveyed into each cooling pipeline section continuously decrease, and cool down the temperature difference of coolant liquid in pipeline section two-by-two
It is 8 DEG C~15 DEG C.
3. cable cooling Horizontal pressure cooling system as claimed in claim 2, it is characterised in that：Positioned at the cooling pipe
End be equipped with Pressure of Ambient Temperature pipeline section, be marked with room temperature coolant liquid, the compressed air conveying device in the Pressure of Ambient Temperature pipeline section
Compressed air is conveyed into Pressure of Ambient Temperature pipeline section.
4. cable cooling Horizontal pressure cooling system as described in claim 1, it is characterised in that：The sealing device includes
Flange and seal assembly, there are two the flange at least has, including first flange and second flange, the first flange are mounted on
On cooling pipe, the first flange is equipped with adjusting screw rod, and the second flange is connected on adjusting screw rod, the adjusting spiral shell
Bar is equipped with the adjusting nut for adjusting first flange and second flange axial spacing；
The first bellows is connected between the first flange and second flange, the seal assembly is arranged in the first bellows
It is interior and between first flange and second flange；
The seal assembly includes sealing ring, embraces folder and compressed spring, and the sealing ring is ring cone structure, bigbore end
Portion is connected in first flange, and described armful of folder is connected to by compressed spring in second flange, and described armful clips the pressure sealing
Enclose small-bore end.
5. cable cooling Horizontal pressure cooling system as claimed in claim 4, it is characterised in that：The flange further includes
Three flanges, on adjusting screw rod, the adjusting screw rod is equipped with for adjusting second flange and third the third flanged joint
The adjusting nut of flange axial spacing is connected with the first bellows, second method between the third flange and second flange
The seal assembly is equipped between blue and third flange.
6. cable cooling Horizontal pressure cooling system as described in claim 4 or 5, it is characterised in that：The sealing ring position
In being additionally provided with sealing ring on its small-bore end.
7. cable cooling Horizontal pressure cooling system as described in claim 1, it is characterised in that：The coolant liquid feed flow dress
It sets including liquid reserve tank, the liquid reserve tank is connected to the cooling pipe, the inlet tube and outlet tube with liquid back pipe by inlet tube
On be equipped with liquid feed valve, the inlet tube is equipped with liquid feeding pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721640488.XU CN207643666U (en) | 2017-11-30 | 2017-11-30 | Cable cooling Horizontal pressure cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721640488.XU CN207643666U (en) | 2017-11-30 | 2017-11-30 | Cable cooling Horizontal pressure cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN207643666U true CN207643666U (en) | 2018-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721640488.XU Active CN207643666U (en) | 2017-11-30 | 2017-11-30 | Cable cooling Horizontal pressure cooling system |
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| CN (1) | CN207643666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825689A (en) * | 2017-11-30 | 2018-03-23 | 江苏亨通海洋光网***有限公司 | Horizontal pressure cooling system and cooling means are used in cable cooling |
-
2017
- 2017-11-30 CN CN201721640488.XU patent/CN207643666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825689A (en) * | 2017-11-30 | 2018-03-23 | 江苏亨通海洋光网***有限公司 | Horizontal pressure cooling system and cooling means are used in cable cooling |
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