CN108443629A - Avoid the structure of the cold area's winter drilling operation water supply pipe icing freeze injury of low temperature - Google Patents

Avoid the structure of the cold area's winter drilling operation water supply pipe icing freeze injury of low temperature Download PDF

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Publication number
CN108443629A
CN108443629A CN201810357573.8A CN201810357573A CN108443629A CN 108443629 A CN108443629 A CN 108443629A CN 201810357573 A CN201810357573 A CN 201810357573A CN 108443629 A CN108443629 A CN 108443629A
Authority
CN
China
Prior art keywords
supply pipe
water supply
freeze injury
heating wire
heat
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.)
Pending
Application number
CN201810357573.8A
Other languages
Chinese (zh)
Inventor
张敏
刘秀宝
蔡月楼
沈世伟
徐燕
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.)
Jilin University
Original Assignee
Jilin University
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 Jilin University filed Critical Jilin University
Priority to CN201810357573.8A priority Critical patent/CN108443629A/en
Publication of CN108443629A publication Critical patent/CN108443629A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30Heating of pipes or pipe systems
    • F16L53/35Ohmic-resistance heating
    • F16L53/38Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/14Arrangements for the insulation of pipes or pipe systems

Abstract

A kind of structure avoiding the cold area's winter drilling operation water supply pipe icing freeze injury of low temperature, it is to wrap up electric heating rubber ring, foam heat-insulation layer and rubber strip successively from the inside to the outside on water supply pipe surface, heating wire is laid in electric heating rubber ring, heating wire is connected with generator or supply line, continuous heating is carried out to water supply pipe using heating wire, by changing the interface of water body in water supply pipe, reach the freeze injury problem for preventing water supply pipe from freezing.Foam heat-insulation layer can prevent internal heat from being lost in cool exterior air, play the role of insulation;Rubber strip uniform winding causes heating wire short-circuit outside foam heat-insulation layer, to prevent external snow-broth from penetrating into electric heating rubber ring seam, plays the role of insulation and protection total.The present invention can be achieved to increase the temperature of water in water supply pipe, increase water body heat storage capacity, the effect for preventing water supply pipe icing freeze injury from occurring, to ensure the progress of engineering investigation work without any confusion.

Description

Avoid the structure of the cold area's winter drilling operation water supply pipe icing freeze injury of low temperature
Technical field
It trembles with fear area winter drilling operation water supply field the present invention relates to low temperature, and in particular to one kind avoids low temperature area's winter of trembling with fear from boring Visit the structure of water supply for construction pipeline icing freeze injury.
Background technology
China has a vast territory, and region is vast, with the high speed development of low temperature cold regions engineering construction, is related to low temperature and trembles with fear area's winter Season, the project of engineering investigation drilling operation was more and more, this just inevitably encounters water supply pipe icing freeze injury problem.Work as ring When border temperature is down to below freezing, the water in water supply pipe gradually freezes from inside pipe wall to tube hub, final entire water supply pipe It is all full of by ice, water supply pipe bursting by freezing, engineering constraint is caused to drill the smooth development of work.Currently, processing winter feed pipe Road icing freeze injury, mainly from the aspect of antifreeze and heat preservation.On the one hand feed pipe is wrapped up using the diablement fort with heating wire Road makes water temperature remain above freezing by heating wire to the water body continuous heating in water supply pipe, plays antifreeze work With;On the other hand covering or buried equal measures are used, enter water supply pipe water body using increased surface covering isolation cool ambient air It is interior, or pipeline is embedded to underground certain depth, a relatively closed isoperibol is formed, heat preservation is played the role of.But low Wen Hanqu, winter outside air temperature mostly at subzero 20 DEG C hereinafter, increased surface covering on water supply pipe is since seal is bad, with The passage of time, the heat that heating wire generates in diablement fort, which has, to be greatly lost in cool ambient air, and thermal energy profit is reduced With rate, energy waste is caused;On the other hand, standard frost penetration in construction site is much in the soil body within the scope of 1.50m, standard frost penetration It is in frozen state, isothermal holding is carried out to water supply pipe using buried scheme, construction and excavation depth is big, difficulty is big, time-consuming Long, each work point is both needed to repetitive operation, and workload is excessively heavy, and repeats installation process in the transhipment of work point and heating system In, the heating wire bending damage be easy to causeing in diablement fort can not fundamentally solve the icing of winter drilling operation water supply pipe Freeze injury problem.
Now with the urgency of the increasing and duration of China's engineering project, the winter engineering geology of low temperature Han Qu is bored It is more and more to visit work, occurs winter drilling operation water supply pipe icing freeze injury problem, serious engineering constraint project accordingly Quality, progress, expense and duration.
Invention content
To solve the problems, such as that low temperature is trembled with fear area's winter drilling operation water supply pipe icing freeze injury, the present invention provides one kind and avoiding low temperature The structure of cold area's winter drilling operation water supply pipe icing freeze injury
The present invention is to wrap up electric heating rubber ring, foam heat-insulation layer and rubber strip successively from the inside to the outside on water supply pipe surface, Heating wire is laid in electric heating rubber ring, heating wire is connected with generator or supply line, using heating wire to water supply pipe into Row continuous heating reaches the freeze injury problem for preventing water supply pipe from freezing by changing the interface of water body in water supply pipe. Meanwhile foam heat-insulation layer is covered in outside electric heating rubber ring, to prevent internal heat from being lost in cool exterior air, plays heat preservation Heat-insulated effect;Rubber strip uniform winding is outside foam heat-insulation layer, to prevent external snow-broth from penetrating into electric heating rubber ring seam Cause heating wire short-circuit, plays the role of insulation and protection total.The structure can realize the temperature for increasing water in water supply pipe Degree increases water body heat storage capacity, the effect for preventing water supply pipe icing freeze injury from occurring, to ensure engineering investigation work without any confusion Progress.
The water supply pipe is rubber tube or vinyl tube.
The operation principle of the present invention:
Foam heat-insulation layer is vesicular structure, contains larger hole between foam, which makes the exhausted big portion that heating wire is sent out Divide in water body of the heat storage in water supply pipe, few partial heat is extraneous cold since foam heat-insulation layer connection is not lost to sternly In air, the heat exchange pattern of water body is converted into internal thermal cycling profile by single heat transfer modes in water supply pipe at this time.Cold In season, since atmospheric temperature is less than water temperature, the heat of water body is scattered and disappeared quickly in the larger cold air of density in water supply pipe, When water temperature is down to it is below freezing when, will occur water supply pipe icing freeze injury.The incubation and thermal insulation function of foam heat-insulation layer changes water Body and extraneous heat transfer pattern, reduce the heat loss in water body, and play the role of heating to water body, water temperature are made to protect always It holds above freezing, it is therefore prevented that the generation of water supply pipe icing freeze injury.In conclusion the resultant effect of foam heat-insulation layer is heat Amount storage is much larger than heat loss, can increase the heat storage capacity of water body, therefore can ensure that water temperature is in above freezing always, no It can lead to the generation of icing freeze injury because of the lengthening of water supply pipe.
Beneficial effects of the present invention:
1, continuous heating is carried out to water supply pipe using the heating wire in electric heating rubber ring, by changing water in water supply pipe The interface of body increases water body heat storage capacity, prevents water supply pipe from freezing, and can fundamentally solve the cold area's winter brill of low temperature Visit water supply for construction pipeline icing freeze injury problem.
2, foam heat-insulation layer is vesicular structure, and larger hole is contained between foam, and tool is easy to making, cheap, quality Gently, the advantages that good effect of heat insulation;
3, it can be used repeatedly during drilling operation, save material and fund, save the duration, improve heat energy utilization Rate reduces energy waste, does not destroy ecological environment;
4, the present invention passes through actual verification, has good application prospect.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the drawing in side sectional elevation of the present invention.
In figure:1- rubber strips;2- water supply pipes;3- foam heat-insulation layers;4- electric heating rubber rings;5- heating wire.
Specific implementation mode
As depicted in figs. 1 and 2, the present invention is to wrap up electric heating rubber ring 4, bubble successively from the inside to the outside on 2 surface of water supply pipe Foam insulating layer 3 and rubber strip 1 lay heating wire 5 in electric heating rubber ring 4, and heating wire 5 is connected with generator or supply line, Continuous heating is carried out to water supply pipe using heating wire 5, by changing the interface of water body in water supply pipe, reaching prevents The freeze injury problem that water supply pipe freezes.Meanwhile foam heat-insulation layer 3 is covered in outside electric heating rubber ring 4, to prevent internal heat from dissipating It loses in cool exterior air, plays the role of insulation;1 uniform winding of rubber strip is outer to prevent outside foam heat-insulation layer 3 Portion's snow-broth, which penetrates into 4 seam of electric heating rubber ring, causes heating wire short-circuit, plays the role of insulation and protection total.The structure The temperature that water in raising water supply pipe 2 can be achieved, increases water body heat storage capacity, the effect for preventing 2 icing freeze injury of water supply pipe from occurring, To ensure the progress of engineering investigation work without any confusion.
The water supply pipe 2 is rubber tube or vinyl tube.
The operation principle of the present invention:
Foam heat-insulation layer 3 is vesicular structure, contains larger hole between foam, which makes the exhausted big portion that heating wire is sent out Divide in water body of the heat storage in water supply pipe 2, few partial heat is not lost to the external world sternly due to the connection of foam heat-insulation layer 3 In cold air, the heat exchange pattern of water body is converted into internal thermal cycling profile by single heat transfer modes in water supply pipe 2 at this time. Dead season, since atmospheric temperature is less than water temperature, the heat of water body is scattered and disappeared quickly in the larger cold air of density in water supply pipe 2 In, when water temperature is down to it is below freezing when, will occur 2 icing freeze injury of water supply pipe.The incubation and thermal insulation function of foam heat-insulation layer 3 changes Water body and extraneous heat transfer pattern, reduce the heat loss in water body, and play the role of heating to water body, water temperature are made to begin It is maintained at eventually above freezing, it is therefore prevented that the generation of 2 icing freeze injury of water supply pipe.In conclusion the resultant effect of foam heat-insulation layer 2 As heat storage is much larger than heat loss, can increase the heat storage capacity of water body, therefore can ensure that water temperature is in freezing point always More than, the generation of icing freeze injury will not be caused because of the lengthening of water supply pipe 2.
Specific example:
Water supply pipe 2 is rubber tube or vinyl tube, and per root long 4m, outer diameter is for rubber tube or vinyl tube 33.5mm, internal diameter 25mm, wall thickness 4.25mm, rubber tube cohere connection using spigot-and-socket, and vinyl tube is glutinous using adhesive Knot.The electric heating rubber ring 4 that package has customized in advance outside rubber tube or vinyl tube, 4 wall thickness 6mm of electric heating rubber ring, Between spiral uniformly distributed diameter 2mm heating wire 5, spacing is 20~30mm, and heating wire 5 is connected using welding manner, to ensure Consistent heating is carried out to water supply pipe 2.The foam heat-insulation layer 3 of 4 one thickness 20mm of outside setting of electric heating rubber ring, to prevent Heat in water supply pipe 2 in water body is too fast, it is excessive be lost in cool exterior air, play the role of insulation.Foam 3 outside uniformly continuous of insulating layer winds the rubber strip 1 of a thickness 2mm, and rubber strip 1 is using slanting cut, full overlap joint, binder cold joint Method connection, play the role of insulation and protection total.

Claims (2)

1. a kind of structure avoiding the cold area's winter drilling operation water supply pipe icing freeze injury of low temperature, it is characterised in that:It is to supply water Wrap up electric heating rubber ring (4), foam heat-insulation layer (3) and rubber strip (1), electric heating rubber ring successively from the inside to the outside in pipeline (2) surface (4) heating wire (5) is laid in, heating wire (5) is connected with generator or supply line.
2. a kind of structure avoiding the cold area's winter drilling operation water supply pipe icing freeze injury of low temperature according to claim 1, It is characterized in that:The water supply pipe (2) is rubber tube or vinyl tube.
CN201810357573.8A 2018-04-20 2018-04-20 Avoid the structure of the cold area's winter drilling operation water supply pipe icing freeze injury of low temperature Pending CN108443629A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810357573.8A CN108443629A (en) 2018-04-20 2018-04-20 Avoid the structure of the cold area's winter drilling operation water supply pipe icing freeze injury of low temperature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810357573.8A CN108443629A (en) 2018-04-20 2018-04-20 Avoid the structure of the cold area's winter drilling operation water supply pipe icing freeze injury of low temperature

Publications (1)

Publication Number Publication Date
CN108443629A true CN108443629A (en) 2018-08-24

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Country Status (1)

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CN (1) CN108443629A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038519A (en) * 1973-11-15 1977-07-26 Rhone-Poulenc S.A. Electrically heated flexible tube having temperature measuring probe
CN201215224Y (en) * 2008-03-13 2009-04-01 王雨 Electric heating antifreeze tube
CN104667551A (en) * 2015-02-13 2015-06-03 无锡市海昌机械设备有限公司 Distribution device for vacuum belt-type liquid dryer
CN207060064U (en) * 2017-08-23 2018-03-02 吉林铁道勘察设计院有限公司 Glue pipe heating system on glue pipe and car on car
CN107816086A (en) * 2017-12-14 2018-03-20 邹城市锦硕矿山设备科技有限公司 A kind of electrical heating antifreezing water pipe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4038519A (en) * 1973-11-15 1977-07-26 Rhone-Poulenc S.A. Electrically heated flexible tube having temperature measuring probe
CN201215224Y (en) * 2008-03-13 2009-04-01 王雨 Electric heating antifreeze tube
CN104667551A (en) * 2015-02-13 2015-06-03 无锡市海昌机械设备有限公司 Distribution device for vacuum belt-type liquid dryer
CN207060064U (en) * 2017-08-23 2018-03-02 吉林铁道勘察设计院有限公司 Glue pipe heating system on glue pipe and car on car
CN107816086A (en) * 2017-12-14 2018-03-20 邹城市锦硕矿山设备科技有限公司 A kind of electrical heating antifreezing water pipe

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Application publication date: 20180824