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 PDFInfo
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 230000009746 freeze damage Effects 0.000 title claims abstract description 25
- 238000005553 drilling Methods 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 239000006260 foam Substances 0.000 claims abstract description 25
- 238000005485 electric heating Methods 0.000 claims abstract description 18
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 7
- 229920002554 vinyl polymer Polymers 0.000 claims description 7
- 239000008400 supply water Substances 0.000 claims 1
- 238000007710 freezing Methods 0.000 abstract description 12
- 230000008014 freezing Effects 0.000 abstract description 12
- 238000005338 heat storage Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 7
- 238000011835 investigation Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- 206010044565 Tremor Diseases 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005382 thermal cycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
- F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements 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
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.
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 |
Family
ID=63200409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810357573.8A Pending 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 |
Country Status (1)
Country | Link |
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CN (1) | CN108443629A (en) |
Citations (5)
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 |
-
2018
- 2018-04-20 CN CN201810357573.8A patent/CN108443629A/en active Pending
Patent Citations (5)
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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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180824 |