CN108149751A - A kind of depth frozen soil extremely cold area pipe well defroster - Google Patents

A kind of depth frozen soil extremely cold area pipe well defroster Download PDF

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Publication number
CN108149751A
CN108149751A CN201810139301.0A CN201810139301A CN108149751A CN 108149751 A CN108149751 A CN 108149751A CN 201810139301 A CN201810139301 A CN 201810139301A CN 108149751 A CN108149751 A CN 108149751A
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CN
China
Prior art keywords
pipe
water
air pressure
valve
frozen soil
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
CN201810139301.0A
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Chinese (zh)
Inventor
曾华
吴浪洲
李贵雷
杨卓颖
尹奇
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.)
Southwest Electric Power Design Institute Co Ltd of China Power Engineering Consulting Group
Original Assignee
Southwest Electric Power Design Institute Co Ltd of China Power Engineering Consulting Group
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 Southwest Electric Power Design Institute Co Ltd of China Power Engineering Consulting Group filed Critical Southwest Electric Power Design Institute Co Ltd of China Power Engineering Consulting Group
Priority to CN201810139301.0A priority Critical patent/CN108149751A/en
Publication of CN108149751A publication Critical patent/CN108149751A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/09Component parts or accessories
    • E03B7/10Devices preventing bursting of pipes by freezing
    • E03B7/12Devices preventing bursting of pipes by freezing by preventing freezing

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention provides a kind of deep frozen soil extremely cold area pipe well defroster, including air compressor machine, air pressure tank, water tank, air injection pipe, shut-off valve, pipe well, lifting pipe, immersible pump, blowdown pipe.The air compressor machine is connect by blowdown pipe with air pressure tank entrance, and air pressure tank outlet is set to lifting pipe and water tank junction by the part unicom near air injection pipe and pipe end of pumping up water, shut-off valve;Lifting pipe initiating terminal is extend into pipe well, initiating terminal connection immersible pump.The present invention maintains pipeline air pressure, simple system is stablized, and low energy consumption, improves the reliability of winterization system using gas injection defroster by air pressure tank.The present invention is applied widely, and no matter ambient temperature changes, and lifting pipe will not freeze.

Description

A kind of depth frozen soil extremely cold area pipe well defroster
Technical field
The present invention relates to deep frozen soil extremely cold area pipe well water intake system, particularly a kind of deep frozen soil extremely cold area pipe well is antifreeze Device.
Background technology
In High aititude depth frozen soil extremely cold area, permafrost layer depth is up to 40 ~ 150m, and the water intaking deep about 100 ~ 200m of pipe well is quiet Water level about 10 ~ 20m.It is higher than the pipe well of frozen soil layer to hydrostatic level, when well pump is intermittent duty mode, after well pump stoppage in transit, by It can not be emptied in pumping water in lifting pipe, the well water pumped in lifting pipe more than frozen soil line is caused, which to be frozen, makes well pump can not be again Subnormal startup is drawn water.Underground water hydrostatic level works as pipe about between several meters to tens meters of below ground in the pipe well of different regions It is low water level pipe well when underground water hydrostatic level is less than frozen soil line in well;It is high water level pipe well when hydrostatic level is higher than frozen soil line. After well pump is stopped transport, due to the effect of pump discharge bottom valve, the water in lifting pipe will not fall emptying after rise or the emptying time is very long, in this way Static water column is formed in pipe well, the water column being at this moment located in lifting pipe in frozen soil layer is frozen quickly.For Gao Shui Position pipe well, ordinary water level is located within frozen soil layer in pipe well, since water temperature is higher in lifting pipe and water velocity during normal operation It is larger to be frozen, after water pump is stopped transport, even if taking the measure of sluicing, the water level in lifting pipe also within frozen soil layer, It is consistent with hydrostatic level in pipe well, become static water column and be frozen.
If a kind of technical solution can be provided, the antifreeze of deep frozen soil extremely cold area pipe well is solved the problems, such as, will be very intentionally Justice.
Invention content
To solve the above problems, the present invention provides a kind of deep frozen soil extremely cold area pipe well defroster, including air compressor machine, Air pressure tank, water tank, air injection pipe, shut-off valve, pipe well, lifting pipe, immersible pump, blowdown pipe.
The air compressor machine is connect by blowdown pipe with air pressure tank entrance, and air pressure tank outlet passes through air injection pipe and pipe end of pumping up water Neighbouring part unicom, shut-off valve are set to 9 water tank junction of lifting pipe;Lifting pipe initiating terminal is risen up into pipe well, initiating terminal Connect immersible pump.
Further, air compressor machine has setting two, and the outlet of the two is all connected to air pressure tank entrance.
Further, bottom of the tube of pumping up water is provided with drain hole.
Further, described device further includes isolating valve, the isolating valve be set to air injection pipe and lifting pipe end it Between.
Further, described device further includes check-valves, and the check-valves is set between air injection pipe and isolating valve
Beneficial effects of the present invention are:
(1)Tradition is antifreeze to set electric-heating belt using well bore wall, but the deep frozen soil extremely cold area of temperature -30 ~ 40 degree is needed Accompanying-heat cable calorific value is very big, and energy consumption is high, substantially inapplicable.The present invention is maintained using gas injection defroster by air pressure tank Pipeline air pressure, simple system are stablized, and low energy consumption, improves the reliability of winterization system.
(2)Traditional electric tracer heating system needs just be designed type selecting, and during operation after obtaining outside air temperature variation range Such as the extreme weather of super scope of design, electric tracing will fail.The present invention is applied widely, and no matter ambient temperature changes, and raises Water pipe will not freeze.
Description of the drawings
Fig. 1 is the structure sectional view of the present invention.
In figure:1- air compressor machines, 2- air pressure tanks, 3- water tanks, 4- air injection pipes, 5- check-valves, 6- isolating valves, 7- shut-off valves, 8- Pipe well, 9- lifting pipes, 10- immersible pumps, 11- blowdown pipes, 12- drain holes.
Specific embodiment
The present invention design concept be:A kind of deep frozen soil extremely cold area pipe well defroster is provided, resolving ideas is in water After pump shutdown, as long as emptying the water within frozen soil layer in lifting pipe solves frozen problem.
As shown in Figure 1, including air compressor machine 1, air pressure tank 2, water tank 3, air injection pipe 4, check-valves 5, isolating valve 6, shut-off valve 7, Pipe well 8, lifting pipe 9, immersible pump 10, blowdown pipe 11, drain hole 12.
The connection relation of various pieces is:The air compressor machine 1 is connect by blowdown pipe 11 with 2 entrance of air pressure tank, check-valves 5th, isolating valve 6 is sequentially arranged between the end of air injection pipe 4 and lifting pipe 9, and the outlet of air pressure tank 2 passes through air injection pipe 4 and lifting pipe 9 Part unicom near end, shut-off valve 7 are set to lifting pipe 9 and water tank junction.9 initiating terminal of lifting pipe extend into pipe well 8 It is interior, initiating terminal connection immersible pump 10.9 bottom of lifting pipe is provided with drain hole 12.
Preferably, in order to ensure safety, the reliability of the system is maintained, air compressor machine 1 sets two, and one spare.Two The outlet of person is all connected to 2 entrance of air pressure tank.
It should be appreciated that isolating valve 6, the setting of check-valves 5 are a kind of preferred embodiments, when there is method for distinguishing that can achieve the goal When, it can be not provided with, directly connect air injection pipe 4 with lifting pipe 9.
The effect of each section is illustrated below:
Air compressor machine 1:For providing compressed gas source for the present invention.
Air pressure tank 2:Pressure is kept for gas injection system, the system pressure is maintained to balance.
Water tank 3:For storing the well water extracted from pipe well.
Air injection pipe 4:For connecting air pressure tank 2 and lifting pipe 9, and high pressure gas is injected in lifting pipe.
Check-valves 5:It is set on filling line 4, when preventing isolation defective valve, conveying water enters air pressure tank.
Isolating valve 6:Be set between check-valves 5 and lifting pipe, when preventing pipe well water intake system normal operation, conveying water into Enter air pressure tank.
Shut-off valve 7:Be set on lifting pipe 9,3 inlet of water tank, for when dive under water pump shutdown when, close valve, prevent Water in water tank 3 is flowed backward in lifting pipe 9.
Drain hole 12:Set on 9 bottom of lifting pipe, after working as water pump stoppage in transit, the water in lifting pipe of releasing.
Immersible pump 10:For drawing water.
Blowdown pipe 11:Air compressor machine 1 and air pressure tank 2 are connected, the compressed gas source that air compressor machine 1 provides is sent to air pressure tank 2.
Preferably, to prevent gas from leaking, each valve all uses air-tightness valve.Isolating valve 6 and shut-off valve 7 are using electricity Dynamic door, can improve well pump water intaking winterization system integrity problem, the error that manual operation is avoided to be likely to occur, and realization automatically controls The method of operation.
The present invention operation principle be:
The present invention provides different embodiments according to high water level pipe well and low water level pipe well.
For low water level pipe well, drain hole 12 can be set in 9 bottom of lifting pipe, after immersible pump 10 is stopped transport, water in lifting pipe 9 Position is above pipe well water level, and the water in lifting pipe 9 can be released by discharge orifice 12 to pipe well 8 at this time.
For high water level pipe well, shut-off valve 7 is first closed after the stoppage in transit of immersible pump 10, is released lifting pipe 9 using drain hole 12 In water, treat that water level is consistent with the water level of pipe well 8 in lifting pipe 9, can not utilize gravity drainage when, open air compressor machine 1, open Isolating valve 6, by ascending pipe 4, into lifting pipe 9, injecting compressed air, high pressure gas force down the water column water surface in lifting pipe 9 To frozen soil line hereinafter, closing air compressor machine 1 at this time, the system pressure is maintained to balance by 2 pressurize of air pressure tank, ensured in frozen soil line Lifting pipe 9 is blank pipe so as to solve the problems, such as that water is frozen dead in this section of pump barrel.First closed during next turn on pump in air injection pipe 4 every From valve 6, the shut-off valve 7 of water tank import is opened, normal water delivery state can be entered by starting immersible pump 10.2 operating pressure of air pressure tank It is determined by 8 region frost penetration of pipe well and pipe well water level COMPREHENSIVE CALCULATING.

Claims (5)

1. a kind of depth frozen soil extremely cold area pipe well defroster, which is characterized in that including air compressor machine, air pressure tank, water tank, gas injection Pipe, shut-off valve, pipe well, lifting pipe, immersible pump, blowdown pipe;
The air compressor machine is connect by blowdown pipe with air pressure tank entrance, and air pressure tank is exported by near air injection pipe and pipe end of pumping up water Part unicom, shut-off valve is set to lifting pipe and water tank junction;Lifting pipe initiating terminal is risen up into pipe well, initiating terminal connection Immersible pump.
2. depth frozen soil extremely cold area pipe well defroster as described in claim 1, which is characterized in that air compressor machine has setting two Platform, the outlet of the two are all connected to air pressure tank entrance.
3. depth frozen soil extremely cold area pipe well defroster as described in claim 1, which is characterized in that in bottom of the tube setting of pumping up water There is drain hole.
4. depth frozen soil extremely cold area pipe well defroster as described in claim 1, which is characterized in that described device further include every From valve, the isolating valve is set between air injection pipe and the end of lifting pipe.
5. depth frozen soil extremely cold area pipe well defroster as claimed in claim 4, which is characterized in that described device further includes only Valve is returned, the check-valves is set between air injection pipe and isolating valve.
CN201810139301.0A 2018-02-11 2018-02-11 A kind of depth frozen soil extremely cold area pipe well defroster Pending CN108149751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810139301.0A CN108149751A (en) 2018-02-11 2018-02-11 A kind of depth frozen soil extremely cold area pipe well defroster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810139301.0A CN108149751A (en) 2018-02-11 2018-02-11 A kind of depth frozen soil extremely cold area pipe well defroster

Publications (1)

Publication Number Publication Date
CN108149751A true CN108149751A (en) 2018-06-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112049187A (en) * 2020-09-14 2020-12-08 中国人民解放军31666部队 High-cold area well water anti-freezing device utilizing high-pressure gas interference
CN112160379A (en) * 2020-09-24 2021-01-01 四川华成辉宇建筑设计有限公司 Anti-freezing monitoring method and system for water supply and drainage pipes in cold region

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU794121A1 (en) * 1978-11-04 1981-01-07 Rajkhanov Akhat S Method of preventing freezing of wells
KR200328686Y1 (en) * 2003-05-20 2003-10-01 박경대 Nonfreezing Device for Multiple Hydrants
CN105155619A (en) * 2015-07-09 2015-12-16 中国人民解放军总后勤部建筑工程规划设计研究院 Anti-freezing method and device of water wells in perennial frozen soil
CN205024770U (en) * 2015-08-14 2016-02-10 王凯勋 A system of preventing frostbite for $trembling with fear district's fire control water supply pipe
CN207959358U (en) * 2018-02-11 2018-10-12 中国电力工程顾问集团西南电力设计院有限公司 A kind of depth frozen soil extremely cold area pipe well defroster

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU794121A1 (en) * 1978-11-04 1981-01-07 Rajkhanov Akhat S Method of preventing freezing of wells
KR200328686Y1 (en) * 2003-05-20 2003-10-01 박경대 Nonfreezing Device for Multiple Hydrants
CN105155619A (en) * 2015-07-09 2015-12-16 中国人民解放军总后勤部建筑工程规划设计研究院 Anti-freezing method and device of water wells in perennial frozen soil
CN205024770U (en) * 2015-08-14 2016-02-10 王凯勋 A system of preventing frostbite for $trembling with fear district's fire control water supply pipe
CN207959358U (en) * 2018-02-11 2018-10-12 中国电力工程顾问集团西南电力设计院有限公司 A kind of depth frozen soil extremely cold area pipe well defroster

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112049187A (en) * 2020-09-14 2020-12-08 中国人民解放军31666部队 High-cold area well water anti-freezing device utilizing high-pressure gas interference
CN112160379A (en) * 2020-09-24 2021-01-01 四川华成辉宇建筑设计有限公司 Anti-freezing monitoring method and system for water supply and drainage pipes in cold region

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Application publication date: 20180612