CN106298067A - A kind of crosslinking line nitrogen circulating system - Google Patents

A kind of crosslinking line nitrogen circulating system Download PDF

Info

Publication number
CN106298067A
CN106298067A CN201610703881.2A CN201610703881A CN106298067A CN 106298067 A CN106298067 A CN 106298067A CN 201610703881 A CN201610703881 A CN 201610703881A CN 106298067 A CN106298067 A CN 106298067A
Authority
CN
China
Prior art keywords
nitrogen
high temperature
valve
crosslinking
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610703881.2A
Other languages
Chinese (zh)
Other versions
CN106298067B (en
Inventor
吴伟伟
徐魏魏
张炎兵
周伟伟
康晓龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongtian Intelligent Equipment Co Ltd
Original Assignee
Zhong Tianyu Product Science And Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhong Tianyu Product Science And Technology Ltd filed Critical Zhong Tianyu Product Science And Technology Ltd
Priority to CN201610703881.2A priority Critical patent/CN106298067B/en
Publication of CN106298067A publication Critical patent/CN106298067A/en
Application granted granted Critical
Publication of CN106298067B publication Critical patent/CN106298067B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/0016Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
    • H01B13/002Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment for heat extraction

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

The invention discloses a kind of crosslinking line nitrogen circulating system, including crosslinking pipe, nitrogen circulation pipeline, first looping back tuyere flange, second loop back tuyere flange, the first temperature thermocouple, the first Pressure gauge, condenser, circulating fan, the second temperature thermocouple, the second Pressure gauge, nitrogen tube, cooling water inlet pipe, cooling water outlet pipe, by-product collecting tank and control valve group, the first temperature thermocouple, the first Pressure gauge, condenser, circulating fan, the second temperature thermocouple and the second Pressure gauge are sequentially connected with;Control valve group includes high temperature cut-off valve, normally closed high temperature Pneumatic butterfly valve, angled seat control valve, normally opened high temperature Pneumatic butterfly valve and high temperature butterfly valve, control valve group is for controlling input and output amount and the circulation rate of nitrogen, the present invention regulates nitrogen circulation speed in real time, improves the quality of crosslinked cable.

Description

A kind of crosslinking line nitrogen circulating system
Technical field
The present invention relates to cross-link line production field, cross-link line nitrogen circulating system particularly to one.
Background technology
Crosslinking line is in producing stopping process, and general producer can have shutdown line.It is being fitted without shutdown nitrogen circulation system In the case of system, technological requirement, during reduction of speed, reduces the thickness of insulating barrier, reduces and shuts down cost, and this section is shut down line and done Cable out is exactly waste product, typically has the waste of six or seven ten meters.Crosslinking pipeline is by adding hot channel, pre-cooling pipeline and cooling pipe Three part compositions, are full of the nitrogen with certain pressure in pre-cooling pipeline one halfpipe, nitrogen acts primarily as cooling effect, elevated pressure nitrogen Gas is that nitrogen, mainly as heat transfer agent, protects poly-second in order to prevent from forming big bubble and too high moisture in crosslinked There is not oxidative degradation in alkene in pipe, insulation is applied pressure, reduces air gap.The nitrogen of flowing has been taken away substantial amounts of because of cooling water The moisture that in the aqueous vapor volatilized and produce and cross-linking reaction, peroxide decomposes out.At pre-cooling section, nitrogen Main Function is Cable core surface is precooled, prevents core from cooling down suddenly, prevent water from entering in insulation.The effect of nitrogen pressure be for Allowing cross-linking by-products discharge cable, nitrogen pressure is typically best at 0.8-1.0, depending on this also will be according to the situation of conductor, If pressure is too big, and if conductor appearance is the most loose, it is easy to interior screen and invades conductor.Owing to Insulation Material and shielding material are in crosslinking Produce cross-linking reaction in pipeline and can produce certain accessory substance, may also can burn if these accessory substances meet oxygen.Normally One to ensure having enough pressure in pipeline during production, two require nitrogen gas purity regulation the to be reached requirement in pipeline.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of crosslinking line nitrogen circulating system.
The technical scheme is that a kind of crosslinking line nitrogen circulating system, including crosslinking pipe, nitrogen circulation pipeline, the One loop back tuyere flange, second loop back tuyere flange, the first temperature thermocouple, the first Pressure gauge, condenser, circulated air Machine, the second temperature thermocouple, the second Pressure gauge, nitrogen tube, cooling water inlet pipe, cooling water outlet pipe, by-product collecting tank, pair Product collection pond and control valve group, crosslinking pipe is provided with more piece crosslinking pipeline, including first segment crosslinking pipeline and final section crosslinking Pipeline, nitrogen circulation pipeline includes nitrogen circulation inlet pipeline and nitrogen circulation outlet conduit, first segment crosslinking pipeline and nitrogen One end connection of circulation inlet pipeline, nitrogen circulation outlet conduit cross-links pipeline communication with final section;
First temperature thermocouple, the first Pressure gauge, condenser, circulating fan, the second temperature thermocouple and the second Pressure gauge are successively Connect;Control valve group includes high temperature cut-off valve, normally closed high temperature Pneumatic butterfly valve, angled seat control valve, high temperature cut-off valve, the pneumatic butterfly of normally closed high temperature Valve, high temperature butterfly valve, normally opened high temperature Pneumatic butterfly valve and high temperature butterfly valve, control valve group is for controlling the input and output amount of nitrogen and following Ring speed.
Further, described nitrogen circulation inlet pipeline is provided with high temperature cut-off valve, the first temperature thermocouple and the first pressure Power table, the first Pressure gauge is provided with ball valve.
Further, the other end of described nitrogen circulation inlet pipeline respectively with nitrogen inlet the first branch road and nitrogen inlet Second branch road connects.
Further, described nitrogen inlet the first branch road connects and has normally closed high temperature Pneumatic butterfly valve and high temperature butterfly valve, normally closed High temperature Pneumatic butterfly valve and high temperature butterfly valve are connected in parallel, and the outfan of nitrogen inlet the first branch road is connected with condenser.
Further, described nitrogen inlet the second branch road is provided with normally opened high temperature Pneumatic butterfly valve and high temperature butterfly valve, normally opened High temperature Pneumatic butterfly valve and high temperature butterfly valve are connected in series, and the outfan of nitrogen inlet the second branch road is connected with circulating fan.
Further, described nitrogen circulation outlet conduit is provided with the second temperature thermocouple, the second Pressure gauge, normally closed height Temperature Pneumatic butterfly valve, angled seat control valve and high temperature cut-off valve, normally closed high temperature Pneumatic butterfly valve, the second temperature thermocouple, the second Pressure gauge, angle Seat control valve and high temperature cut-off valve are sequentially connected in series, and the second Pressure gauge is provided with ball valve.
Further, described circulating fan connects has nitrogen tube, cooling water inlet pipe and cooling water outlet pipe, in nitrogen tube Being provided with ball valve and electromagnetic valve, cooling water inlet pipe is provided with ball valve and electromagnetic valve, and cooling water outlet pipe also is provided with ball valve and electromagnetism Valve.
Further, the input of described by-product collecting tank respectively with outfan and the output of circulating fan of condenser End connects, and the outfan of by-product collecting tank is connected with collection branch road and collection branch road respectively, collects branch road and collects branch road also Connection connects.
Further, outside the often joint crosslinking pipe of described crosslinking pipe, little blower fan is installed.
Further, being additionally provided with emptying device, emptying device is connected with vortex pump, vortex pump with wash the one of nitrogen pipe End connects, wash the other end of nitrogen pipe respectively with wash nitrogen pipe the first branch road and wash nitrogen pipe the second branch road and be connected.
After the invention have the benefit that installation nitrogen circulating system, stopping process can not reduce insulating barrier Thickness, by nitrogen circulating system and self cooling of crosslinking pipe, temperature internal for crosslinking pipe is quickly cooled down, accelerates to drop Crosslinking cable temperature within pipe in low stopping process, it is ensured that this section of cable is qualified cable.The present invention can detect pipe in real time The pressure of nitrogen in road, and air inflow and the speed of nitrogen is adjusted according to the force value detected, it is achieved to nitrogen pressure in pipeline Automatically controlling of power, improves the quality of crosslinked cable.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation cross-linking line nitrogen circulation pipeline disclosed by the invention;
Fig. 2 is a kind of structural representation cross-linking line nitrogen circulating system disclosed by the invention.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
The invention provides a kind of crosslinking line nitrogen circulating system, circulate including crosslinking pipe 1, nitrogen circulation pipeline 2, first Return air inlet flange 3, second loop back tuyere flange the 4, first temperature thermocouple the 5, first Pressure gauge 6, condenser 7, circulating fan 8, second temperature thermocouple the 9, second Pressure gauge 10 temperature thermocouple, nitrogen tube 11, cooling water inlet pipe 12, cooling water outlet pipe 13, by-product collecting tank 14, by-product collecting pit 15 and cold water station 16.
Refering to shown in Fig. 1, crosslinking pipe 1 is provided with many length of tubing, including first segment crosslinking pipeline 101 and final section crosslinking Pipeline 102, nitrogen circulation pipeline 2 includes nitrogen circulation inlet pipeline 201, nitrogen circulation outlet conduit 202, circulating fan 8 and Control valve group.Nitrogen circulation pipeline 2 is divided into nitrogen circulation inlet pipeline 201 and nitrogen circulation outlet conduit by circulating fan 8 202.First segment crosslinking pipeline 101 connects with one end of nitrogen circulation inlet pipeline 201, and first loops back tuyere flange 3 is arranged Cross-link the connectivity part of pipeline 101 at nitrogen circulation inlet pipeline 201 and first segment, nitrogen circulation outlet conduit 202 and last Joint crosslinking pipeline 102 connects, and second loops back tuyere flange 4 is arranged on nitrogen circulation outlet conduit 202 and final section crosslinking Pipeline 102 connectivity part.
Refering to shown in Fig. 2, nitrogen circulation inlet pipeline 201 is provided with high temperature cut-off valve 201a, the first temperature thermocouple 5 and First Pressure gauge 6, high temperature cut-off valve 201a, the first temperature thermocouple 5 and the first Pressure gauge 6 be sequentially connected in series, the first Pressure gauge 6 On be provided with ball valve 6a, the force value gathered by the first Pressure gauge 6 and the first temperature thermocouple 5 and temperature value, control nitrogen Input quantity, the other end of the first Pressure gauge 6 is respectively with nitrogen inlet the first branch road 203 with nitrogen inlet the second branch road 204 even Connecing, nitrogen inlet the first branch road 203 connects normally closed high temperature Pneumatic butterfly valve 203a and high temperature butterfly valve 203b, and normally closed high temperature is pneumatic Butterfly valve 203a and high temperature butterfly valve 203b is connected in parallel, and the outfan of nitrogen inlet the first branch road 203 is connected with condenser 7, condensation Device 7 is connected with circulating fan 8;Normally opened high temperature Pneumatic butterfly valve 204a and high temperature butterfly valve it is provided with on nitrogen inlet the second branch road 204 204b, normally opened high temperature Pneumatic butterfly valve 204a and high temperature butterfly valve 204b are connected in series, the outfan of nitrogen inlet the second branch road 204 with Circulating fan 8 connects.
Second temperature thermocouple the 9, second Pressure gauge 10, normally closed high temperature it is provided with pneumatic on nitrogen circulation outlet conduit 202 Butterfly valve 202a, angled seat control valve 202b and high temperature cut-off valve 202c, normally closed high temperature Pneumatic butterfly valve 202a, the second temperature thermocouple 9, Two Pressure gauges 10, angled seat control valve 202b and high temperature cut-off valve 202c are sequentially connected in series, and the second Pressure gauge 10 is provided with ball valve 10a, the second Pressure gauge 10 and the force value of the second temperature thermocouple 9 and temperature value, control the output of nitrogen.First thermometric heat Galvanic couple the 5, first Pressure gauge 6, condenser 7, circulating fan the 8, second temperature thermocouple 9 and the second Pressure gauge 10 are sequentially connected with.
Circulating fan 8 connects nitrogen tube 11, cooling water inlet pipe 12 and cooling water outlet pipe 13, and nitrogen tube 11 is arranged There is ball valve 11a and electromagnetic valve 11b, be used for controlling the intake of nitrogen.It is provided with ball valve 12a and electromagnetic valve at cooling water inlet pipe 12 12b, is used for the influx controlling to cool down water, and cooling water outlet pipe 13 also is provided with ball valve 13a and electromagnetic valve 13b, cold for controlling But the discharge of water.Cooling water enters circulating fan 8 from cooling water inlet pipe 12, is used for from gas import the second branch road 204 The nitrogen cooling being passed through, cooling water flows out from cooling water outlet pipe 13.
Nitrogen produces by-product in cooling procedure due to the reduction of temperature, and by-product is carried out by by-product collecting tank 14 Collect.The input of by-product collecting tank 14 is connected, at nitrogen with the outfan of condenser 7 and the outfan of circulating fan 8 respectively Gas can obtain by-product after entering condenser 7, and the nitrogen through circulating fan 8 also can obtain by-product.By-product collecting tank 14 Outfan respectively with collect branch road 141 and collect branch road 142 and be connected, collect branch road 141 and collection branch road 142 be connected in parallel, Collect and on branch road 141, be provided with high temperature pneumatic ball valve 141a and high temperature manual ball valve 141b, collect and be provided with high temperature on branch road 142 Manual ball valve 142a, the outfan collecting branch road 141 and collection branch road 142 is connected with by-product collecting pit 15.
It is connected by feed pipe 17 between condenser 7 with cold water station 16, feed pipe 17 is provided with stop valve 17a.
Nitrogen enters nitrogen circulation inlet pipeline 201 through looping back tuyere flange, and condensed device condenses, and circulating fan 8 will Nitrogen is discharged from nitrogen circulation outlet conduit 202.
Nitrogen circulation cooling principle is: in shutting down moderating process, circulating fan 8 starts running, and nitrogen is by through nitrogen Pipe 11 enters in circulating fan 8, sends into the air inlet of one joint crosslinking pipeline 102, nitrogen through nitrogen circulation outlet conduit 202 By final section crosslinking pipeline 102 to first segment crosslinking pipeline 101 direction transport, owing to cable is to cross-link pipe 101 from first segment Sending into final section crosslinking pipe 102, nitrogen cools down cable in crosslinking pipe in a counter-current configuration, and nitrogen temperature gradually rises, nitrogen Being high temperature nitrogen during gas arrival first segment crosslinking pipe 101, high temperature nitrogen loops back tuyere flange 3 from first segment crosslinking pipe through first Road 101 enters in nitrogen circulation inlet pipeline 201, and high temperature nitrogen quickly cools down after condenser 7, and the nitrogen after cooling enters It is sent to nitrogen circulation outlet conduit 202 by circulating fan 8.Control valve group includes high temperature cut-off valve 201a, the pneumatic butterfly of normally closed high temperature Valve 202a, angled seat control valve 202b, high temperature cut-off valve 202c, normally closed high temperature Pneumatic butterfly valve 203a, high temperature butterfly valve 203b, normally opened high temperature Pneumatic butterfly valve 204a and high temperature butterfly valve 204b, by the folding extent control nitrogen of control valve group at pipe interior in production process The speed freely circulated, the circulating nitrogen gas entering crosslinking pipe can be purer than the product line not having nitrogen circulating system, crosslinking pipe Internal by-product will be less, and cable surface can compare totally.
Often being provided with little blower fan 18 outside joint crosslinking pipe, the effect of little blower fan 18 is, at stopping process, natural wind is passed through wind Taking away the temperature of crosslinking tube-surface during road, the reduction of this temperature is to reduce outside crosslinking pipe, thus is gradually lowered friendship Union and the temperature of inside thereof.After installing nitrogen circulating system, while outside fanman makees, internal nitrogen is by following greatly Loop systems is lowered the temperature, and both work simultaneously, quickly reduces temperature, it is possible to reduce downtime.
Arranging emptying device 19 further, emptying device 19 is connected with vortex pump 20, vortex pump 20 with wash nitrogen pipe 21 One end connect, wash nitrogen pipe 21 for rustless steel establishment flexible pipe, wash the other end of nitrogen pipe 21 respectively with wash nitrogen pipe the first branch road 22 and Wash nitrogen pipe the second branch road 23 to connect, wash nitrogen pipe the first branch road 22 and wash nitrogen pipe the second branch road 23 and be connected in parallel, high temperature manual ball valve 22a and normally closed high temperature pneumatic ball valve 22b is arranged on and washes on nitrogen pipe the first branch road 22, and high temperature manual ball valve 23a is arranged on and washes nitrogen pipe On second branch road 23, wash nitrogen pipe the first branch road 22 and the other end and first washing nitrogen pipe the second branch road 23 loops back tuyere flange 3 Connect.Emptying device 19 is used for reducing pressure equipment, and pressure can send the sound not and equipment is produced deleterious effect.
Above embodiments of the invention are described in detail, but described content have been only presently preferred embodiments of the present invention, It is not to be regarded as the practical range for limiting the present invention.All impartial changes made according to the scope of the invention and improvement etc., all should Within still belonging to covering scope of the present invention.

Claims (10)

1. a crosslinking line nitrogen circulating system, it is characterised in that: include crosslinking pipe (1), nitrogen circulation pipeline (2), first follow Loopback tuyere flange (3), second loop back tuyere flange (4), the first temperature thermocouple (5), the first Pressure gauge (6), condenser (7), circulating fan (8), the second temperature thermocouple (9), the second Pressure gauge (10), nitrogen tube (11), cooling water inlet pipe (12), Cooling water outlet pipe (13), by-product collecting tank (14), by-product collecting pit (15) and control valve group,
Crosslinking pipe (1) is provided with more piece crosslinking pipeline, including first segment crosslinking pipeline (101) and final section crosslinking pipeline (102), Nitrogen circulation pipeline (2) includes nitrogen circulation inlet pipeline (201) and nitrogen circulation outlet conduit (202), first segment crosslinking pipe Road (101) connects with one end of nitrogen circulation inlet pipeline (201), and nitrogen circulation outlet conduit (202) cross-links with final section Pipeline (102) connects;
First temperature thermocouple (5), the first Pressure gauge (6), condenser (7), circulating fan (8), the second temperature thermocouple (9) and Second Pressure gauge (10) is sequentially connected with;
Control valve group includes high temperature cut-off valve (201a), normally closed high temperature Pneumatic butterfly valve (202a), angled seat control valve (202b), high temperature lock Valve (202c), normally closed high temperature Pneumatic butterfly valve (203a), high temperature butterfly valve (203b), normally opened high temperature Pneumatic butterfly valve (204a) and high temperature butterfly Valve (204b), control valve group is for controlling input and output amount and the circulation rate of nitrogen.
A kind of crosslinking line nitrogen circulating system the most according to claim 1, it is characterised in that: described nitrogen circulation inlet tube High temperature cut-off valve (201a), the first temperature thermocouple (5) and the first Pressure gauge (6), the first Pressure gauge (6) it is provided with on road (201) On be provided with ball valve (6a).
A kind of crosslinking line nitrogen circulating system the most according to claim 1 and 2, it is characterised in that: described nitrogen circulation is entered The other end of mouth pipeline (201) is connected with nitrogen inlet the second branch road (204) with nitrogen inlet the first branch road (203) respectively.
A kind of crosslinking line nitrogen circulating system the most according to claim 3, it is characterised in that: described nitrogen inlet first The upper connection in road (203) has normally closed high temperature Pneumatic butterfly valve (203a) and high temperature butterfly valve (203b), normally closed high temperature Pneumatic butterfly valve (203a) Being connected in parallel with high temperature butterfly valve (203b), the outfan of nitrogen inlet the first branch road (203) is connected with condenser (7).
A kind of crosslinking line nitrogen circulating system the most according to claim 3, it is characterised in that: described nitrogen inlet second Normally opened high temperature Pneumatic butterfly valve (204a) and high temperature butterfly valve (204b), normally opened high temperature Pneumatic butterfly valve (204a) it is provided with on road (204) Being connected in series with high temperature butterfly valve (204b), the outfan of nitrogen inlet the second branch road (204) is connected with circulating fan (8).
A kind of crosslinking line nitrogen circulating system the most according to claim 1, it is characterised in that: described nitrogen circulation outlet The second temperature thermocouple (9), the second Pressure gauge (10), normally closed high temperature Pneumatic butterfly valve (202a), angled seat control it is provided with on road (202) Valve processed (202b) and high temperature cut-off valve (202c), normally closed high temperature Pneumatic butterfly valve (202a), the second temperature thermocouple (9), the second pressure Table (10), angled seat control valve (202b) and high temperature cut-off valve (202c) are sequentially connected in series, and the second Pressure gauge is provided with ball on (10) Valve (10a).
A kind of crosslinking line nitrogen circulating system the most according to claim 1, it is characterised in that: described circulating fan (8) is even It is connected to nitrogen tube (11), cooling water inlet pipe (12) and cooling water outlet pipe (13), nitrogen tube (11) is provided with ball valve (11a) With electromagnetic valve (11b), cooling water inlet pipe (12) is provided with ball valve (12a) and electromagnetic valve (12b), and cooling water outlet pipe (13) also sets There are ball valve (13a) and electromagnetic valve (13b).
A kind of crosslinking line nitrogen circulating system the most according to claim 1, it is characterised in that: described by-product collecting tank (14) input is connected with the outfan of condenser (7) and the outfan of circulating fan (8) respectively, by-product collecting tank (14) Outfan respectively with collect branch road (141) and collect branch road (142) is connected, collection branch road (141) and collection branch road (142) and Connection connects.
A kind of crosslinking line nitrogen circulating system the most according to claim 1, it is characterised in that: the every of (1) is managed in described crosslinking Outside joint crosslinking pipe, little blower fan (18) is installed.
A kind of crosslinking line nitrogen circulating system the most according to claim 1, it is characterised in that: it is additionally provided with emptying device (19), emptying device (19) is connected with vortex pump (20), and vortex pump (20) is connected with the one end washing nitrogen pipe (21), washes nitrogen pipe (21) the other end respectively with wash nitrogen pipe the first branch road (22) and wash nitrogen pipe the second branch road (23) and be connected.
CN201610703881.2A 2016-08-23 2016-08-23 One kind crosslinking line nitrogen circulating system Active CN106298067B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610703881.2A CN106298067B (en) 2016-08-23 2016-08-23 One kind crosslinking line nitrogen circulating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610703881.2A CN106298067B (en) 2016-08-23 2016-08-23 One kind crosslinking line nitrogen circulating system

Publications (2)

Publication Number Publication Date
CN106298067A true CN106298067A (en) 2017-01-04
CN106298067B CN106298067B (en) 2017-12-05

Family

ID=57662152

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610703881.2A Active CN106298067B (en) 2016-08-23 2016-08-23 One kind crosslinking line nitrogen circulating system

Country Status (1)

Country Link
CN (1) CN106298067B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112133495A (en) * 2020-09-03 2020-12-25 重庆泰山电缆有限公司 Catenary-chain-type cross-linking production line nitrogen cooling system special for cable production
CN112201406A (en) * 2020-09-10 2021-01-08 山东泰开电缆有限公司 Automatic nitrogen purity control device and method for cross-linked pipe of cross-linked cable production line

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07325188A (en) * 1994-05-31 1995-12-12 Toshiba Eng Co Ltd Cooling system for reactor isolation time
CN2935397Y (en) * 2006-08-23 2007-08-15 肖宇志 Apparatus for eliminating insulation droop in cable cross-linking process
CN102290151A (en) * 2011-09-02 2011-12-21 王向超 High-voltage cable cross-linking device
CN203690003U (en) * 2013-12-23 2014-07-02 白城天奇装备机械有限公司 Horizontal crosslinking production line nitrogen first segment solidification cooling device
CN204303485U (en) * 2014-12-31 2015-04-29 成都鑫成鹏线缆材料有限公司 A kind of electric wire polyethylene insulation pellet drying device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07325188A (en) * 1994-05-31 1995-12-12 Toshiba Eng Co Ltd Cooling system for reactor isolation time
CN2935397Y (en) * 2006-08-23 2007-08-15 肖宇志 Apparatus for eliminating insulation droop in cable cross-linking process
CN102290151A (en) * 2011-09-02 2011-12-21 王向超 High-voltage cable cross-linking device
CN203690003U (en) * 2013-12-23 2014-07-02 白城天奇装备机械有限公司 Horizontal crosslinking production line nitrogen first segment solidification cooling device
CN204303485U (en) * 2014-12-31 2015-04-29 成都鑫成鹏线缆材料有限公司 A kind of electric wire polyethylene insulation pellet drying device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112133495A (en) * 2020-09-03 2020-12-25 重庆泰山电缆有限公司 Catenary-chain-type cross-linking production line nitrogen cooling system special for cable production
CN112201406A (en) * 2020-09-10 2021-01-08 山东泰开电缆有限公司 Automatic nitrogen purity control device and method for cross-linked pipe of cross-linked cable production line
CN112201406B (en) * 2020-09-10 2022-03-04 山东泰开电缆有限公司 Automatic nitrogen purity control device and method for cross-linked pipe of cross-linked cable production line

Also Published As

Publication number Publication date
CN106298067B (en) 2017-12-05

Similar Documents

Publication Publication Date Title
CN106298067A (en) A kind of crosslinking line nitrogen circulating system
CN107366895B (en) Method for rapidly replacing safety valve of drum of dry quenching boiler
JPS5953724A (en) Air conditioning method and apparatus of spinning pretreatment installation
CN207056946U (en) A kind of cotton rope drying baker
CN106282518B (en) The device and method of freezing dehumidification are carried out with coal gas to heater for rolling steel
CN104776753B (en) The uniform ball feeding device of electric power plant condenser ball cleaning system
CN208615101U (en) Utilize the horizontal drying system for drawing case fan-drying heat shrink films modified poly ester raw material
CN202393252U (en) Hot air curtain seal device
CN201688713U (en) Flue gas temperature regulation apparatus for power generation with residual sintering heat
CN107809079A (en) A kind of temperature control cable feeder pillar
CN208038493U (en) A kind of metal pipe material forming internal threads and annealing integration machine
CN203248911U (en) Heat preservation system for spinning production line flux pipeline
CN207555570U (en) It is a kind of to utilize discarded recycling water heating apparatus
CN208440738U (en) A kind of ultra high molecular weight polyethylene fiber drying device
CN206828688U (en) Hot water remove device is used in fishing monofilament yarn manufacture
CN107117597A (en) Carbon molecular sieve cooling conveying device with temperature controlling function
CN206345950U (en) A kind of path structure of high modulus
CN105180446A (en) Boiler exhaust gas waste heat two-stage recovery and emission reduction device
CN205861356U (en) Vehicle is drenched with rain experiment blow-dry device
JPH02293100A (en) Device for heating and drying sludge
CN104340428B (en) Air blowing and exhausting system of sterilizing and drying machine and air blowing and exhausting method
CN203971682U (en) The hot flue gas processing device of a kind of fine cleaned coal drying system
CN219299626U (en) System for cooling down underground local ventilator motor
CN206902417U (en) Non-woven fabrics automatic assembly line extension apparatus air circulating system
CN212870708U (en) Hot air system of roller kiln

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20171103

Address after: 226000 Nantong economic and Technological Development Zone, Jiangsu Zhongtian Road, No. 5

Applicant after: Zhongtian Intelligent Equipment Co Ltd

Address before: 226009 Nantong Development Zone, Jiangsu Zhongtian Road, No. 5

Applicant before: Zhong Tianyu product Science and Technology Ltd.

GR01 Patent grant
GR01 Patent grant