CN104099904B - A kind of method of operating for extremely frigid zones pouring water and heat preservation - Google Patents
A kind of method of operating for extremely frigid zones pouring water and heat preservation Download PDFInfo
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- CN104099904B CN104099904B CN201410308522.8A CN201410308522A CN104099904B CN 104099904 B CN104099904 B CN 104099904B CN 201410308522 A CN201410308522 A CN 201410308522A CN 104099904 B CN104099904 B CN 104099904B
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Abstract
The present invention relates to a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation, at least comprise: the first step: bottom the concrete structure of strobe track, inlet channel is set, on the upside of described inlet channel, water return pipeline is set, inlet channel is connected with boiler feed water tower, and inlet channel is connected with water return pipeline; Arrange inlet channel and water return pipeline in the concrete structure inner horizontal of strobe track, and inlet channel is connected with boiler feed water tower, inlet channel is communicated with water return pipeline; Second step: heating boiler intake tower, improves the surface temperature of concrete structure by the hot water circuit of inlet channel and water return pipeline.The superior effect of method of operating of the present invention is: adopt pre-buried inlet channel and water return pipeline in concrete structure at extremely frigid zones, surface temperature of concrete can be improved, ensure that strobe track place concrete structural surface does not freeze, ensure that gate freely opens and closes; Structure is simple, simple to operate, and low cost of manufacture is safe and reliable.
Description
Technical field
The present invention relates to extremely frigid zones concrete pouring water and heat preservation technical field, be specifically related to a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation.
Background technology
Along with Chinese hydropower industry to Xinjiang, the exploitation of Qinghai and western Tibet extremely frigid zones, winter low temperature gate opening/closing in season is because of freezing problem, and gate slot concrete and track freeze, and causes gate opening/closing difficulty.
Usually, the way for gate opening/closing problem routine is, before gate opening/closing, adopt hot water to build freezing on strobe track and gate slot concrete, open-close sluice gate again after making it dissolve, but often field condition limit, personnel process to not gate correct position, the effect preferably reached is undesirable, gate damage of water block when causing keying, leaks behind the door serious, What is more, deicing is thorough, and causing on gate can not the difficult situation of normal opening and closing, and consequence is very serious.
There is potential safety hazard in the mechanical deicing adopted in prior art or hot water ice-melt, and deicing is not thorough, poor practicability.
Summary of the invention
In order to overcome defect of the prior art, the object of this invention is to provide a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation.
The present invention is achieved by the following technical solutions:
For a method of operating for extremely frigid zones concrete pouring water and heat preservation, at least comprise:
The first step: arrange inlet channel bottom the concrete structure of strobe track, arranges water return pipeline on the upside of described inlet channel, and described inlet channel is connected with boiler feed water tower, and described inlet channel is connected with water return pipeline, forms hot water supply circulation system; Arrange inlet channel and water return pipeline in the concrete structure inner horizontal of strobe track, and described inlet channel is connected with boiler feed water tower, described inlet channel is communicated with water return pipeline;
Second step: heating boiler intake tower, improves the surface temperature of described concrete structure, the object that the concrete structural surface reaching strobe track does not freeze by the hot water circuit of inlet channel and water return pipeline, thus ensures that gate freely opens and closes.
Further, described water return pipeline end connects outlet valve.
Further, when described inlet channel and water return pipeline are horizontally disposed with, described inlet channel and water return pipeline distance concrete structure are between 10-15cm.
The operating principle of a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation of the present invention is:
Pre-buried inlet channel and water return pipeline in the concrete structure of strobe track place, described inlet channel is connected with boiler feed water tower, by preheating inlet channel and water return pipeline, improve the temperature of strobe track place concrete structural surface, ensure that strobe track place concrete structural surface does not freeze, ensure that gate freely opens and closes.
Compared with prior art, the superior effect of a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation of the present invention is: adopt pre-buried inlet channel and water return pipeline in concrete structure at extremely frigid zones, surface temperature of concrete can be improved, ensure that strobe track place concrete structural surface does not freeze, ensure that gate freely opens and closes; Structure is simple, simple to operate, and low cost of manufacture is safe and reliable.
Accompanying drawing explanation
Fig. 1 is the job site schematic diagram using a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation of the present invention;
Fig. 2 is the A direction view of Fig. 1 schematic diagram.
Accompanying drawing mark is as follows:
1-inlet channel, 2-water return pipeline, 3-concrete structure.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the invention is described in further detail.
As shown in accompanying drawing 1-2, a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation provided by the invention, comprising:
The first step: inlet channel 1 is set bottom the concrete structure 3 of strobe track, on the upside of described inlet channel 1, water return pipeline 2 is set, described inlet channel 1 is connected with boiler feed water tower (not shown), described inlet channel 1 is connected with water return pipeline 2, forms hot water supply circulation system; Arrange inlet channel 1 and water return pipeline 2 in concrete structure 3 inner horizontal of strobe track, and described inlet channel 1 is connected with boiler feed water tower, described inlet channel 1 is communicated with water return pipeline 2; Described water return pipeline 2 end connects outlet valve (not shown).When described inlet channel 1 and water return pipeline 2 are horizontally disposed with, described inlet channel 1 and water return pipeline 2 apart from concrete structure 3 between 10-15cm.
Second step: heating boiler intake tower, improves the surface temperature of described concrete structure 3, the object that concrete structure 3 surface reaching strobe track is not frozen by the hot water circuit of inlet channel 1 and water return pipeline 2, thus ensures that gate freely opens and closes.
A kind of method of operating for extremely frigid zones concrete pouring water and heat preservation of the present invention, Successful utilization is in Xinjiang Ji Lebu clarke Diversion Tunnel shutoff alteration work.
Ji Lebu clarke power station, Xinjiang is positioned at the In Altay, xinjiang on innerland, the Eurasia, and this area for many years temperature on average is 4 DEG C, Extreme Maximum Temperature 36.4 DEG C, Annual lowest climate temperature-40 DEG C, and annual mean temperature is in shown in Table 1-1;
His assorted hydrometric station temperature on average mark sheet of table 1-1 carat (unit: DEG C)
| Month | One | Two | Three | Four | Five | Six | Seven | Eight | Nine | Ten | 11 | 12 | Annual |
| Monthly mean temperature | -14.6 | -13.2 | -6.0 | 6.07 | 14.1 | 18.7 | 20.7 | 18.9 | 13.2 | 5.7 | -4.4 | -11.6 | 4.00 |
| The monthly average highest temperature | -9.9 | -7.3 | -0.5 | 12.8 | 18 | 21.5 | 25.5 | 22.7 | 16.4 | 10.8 | 10.6 | -2.4 | 25.5 |
| The monthly average lowest temperature | -24.8 | -24.9 | -11.5 | -2.7 | 9.2 | 15.4 | 16.6 | 14.9 | 8.4 | 1.3 | -11.5 | -24 | -24.9 |
| Extreme Maximum Temperature | 5 | 1.6 | 23 | 25 | 31.5 | 34 | 36.4 | 35 | 29.2 | 24.6 | 12.9 | 7.9 | 36.4 |
| Annual lowest climate temperature | -40 | -37 | -32 | -17.5 | -3.5 | 3 | 8.7 | 4 | -5 | -16.5 | -34 | -40 | -40 |
Due to requirement of engineering, carry out shutoff reconstruction work in the winter of cold to Diversion Tunnel, shown in table 1-1, this period is in the annual period the coldest.This project relates to props up hole and Diversion Tunnel lock well at Diversion Tunnel and carries out lock under gate, and the concrete structure 3 of this strobe track and strobe track is at the above 1-1.5m of the water surface, seriously freezing, and lower lock difficulty is carried out in severe cold area in the winter time.Freezing position mostly is constructor and is difficult to arrive position, deicing difficulty.
Adopt a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation of the present invention, during construction, inlet channel 1 is being set bottom the concrete structure 3 of strobe track in the winter time, on the upside of described inlet channel 1, water return pipeline 2 is set, described inlet channel 1 is connected with boiler feed water tower (not shown), described inlet channel 1 is connected with water return pipeline 2, forms hot water supply circulation system; Arrange inlet channel 1 and water return pipeline 2 in concrete structure 3 inner horizontal of strobe track, and described inlet channel 1 is connected with boiler feed water tower, described inlet channel 1 is communicated with water return pipeline 2 simultaneously; Described water return pipeline 2 end all connects outlet valve (not shown).Described inlet channel 1 and water return pipeline 2 adopt diameter to be the hot-water line of 48mm.
When described inlet channel 1 and water return pipeline 2 are horizontally disposed with, described inlet channel 1 and water return pipeline 2 apart from concrete structure 3 between 10-15cm.
Inflow temperature 80-86 DEG C after testing, leaving water temperature 60-67 DEG C, concrete structure 3 surface temperature is 5-6 DEG C.The hot water supply circulation system that many group inlet channels 1 are formed with water return pipeline 2 is set in concrete structure 3 inside, hot water supply circulation system spacing 50-60cm.The surperficial strobe track of described concrete structure 3 and the interior nothing of gate slot freeze phenomenon, and shutter opening and closing is smooth.
The present invention is not limited to above-mentioned embodiment, and when not deviating from flesh and blood of the present invention, any distortion that it may occur to persons skilled in the art that, improvement, replacement all fall into scope of the present invention.
Claims (3)
1. for a method of operating for extremely frigid zones concrete pouring water and heat preservation, it is characterized in that, at least comprise:
The first step: arrange inlet channel bottom the concrete structure of strobe track, arranges water return pipeline on the upside of described inlet channel, and described inlet channel is connected with boiler feed water tower, and described inlet channel is connected with water return pipeline, forms hot water supply circulation system; Arrange inlet channel and water return pipeline in the concrete structure inner horizontal of strobe track, and described inlet channel is connected with boiler feed water tower, described inlet channel is communicated with water return pipeline;
Second step: heating boiler intake tower, improves the surface temperature of described concrete structure, the object that the concrete structural surface reaching strobe track does not freeze by the hot water circuit of inlet channel and water return pipeline, thus ensures that gate freely opens and closes.
2. a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation according to claim 1, is characterized in that, when described inlet channel and water return pipeline are horizontally disposed with, described inlet channel and water return pipeline distance concrete structure are between 10-15cm.
3. a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation according to claim 1 and 2, is characterized in that, described water return pipeline end connects outlet valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308522.8A CN104099904B (en) | 2014-04-11 | 2014-07-01 | A kind of method of operating for extremely frigid zones pouring water and heat preservation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410144859 | 2014-04-11 | ||
| CN201410144859X | 2014-04-11 | ||
| CN201410144859.X | 2014-04-11 | ||
| CN201410308522.8A CN104099904B (en) | 2014-04-11 | 2014-07-01 | A kind of method of operating for extremely frigid zones pouring water and heat preservation |
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| CN104099904A CN104099904A (en) | 2014-10-15 |
| CN104099904B true CN104099904B (en) | 2016-02-24 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003306927A (en) * | 2002-04-17 | 2003-10-31 | Nikko Co Ltd | Gate remote operation system |
| CN202181505U (en) * | 2011-01-26 | 2012-04-04 | 张建忠 | Anti-freezing bridge |
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2014
- 2014-07-01 CN CN201410308522.8A patent/CN104099904B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003306927A (en) * | 2002-04-17 | 2003-10-31 | Nikko Co Ltd | Gate remote operation system |
| CN202181505U (en) * | 2011-01-26 | 2012-04-04 | 张建忠 | Anti-freezing bridge |
Non-Patent Citations (4)
| Title |
|---|
| 弧形工作闸门冬季运行埋件加热系统设计;吕传亮等;《水利与建筑工程学报》;20121231;第10卷(第6期);第160-162页 * |
| 水库闸门防冻方法研究;张雷等;《可再生能源》;20110630;第29卷(第3期);第150-152页 * |
| 浅谈水工建筑物的冰冻破坏及防治;杨刚;《中国水运》;20120331(第3期);第149页第四节 * |
| 高寒地区冬季混凝土施工;马学志;《城市建设理论研究（电子版）》;20130715(第19期);第1-5页 * |
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