CN104099904A - Operation method for water communication thermal insulation in high and cold area - Google Patents
Operation method for water communication thermal insulation in high and cold area Download PDFInfo
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- CN104099904A CN104099904A CN201410308522.8A CN201410308522A CN104099904A CN 104099904 A CN104099904 A CN 104099904A CN 201410308522 A CN201410308522 A CN 201410308522A CN 104099904 A CN104099904 A CN 104099904A
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Abstract
The invention relates to an operation method for water communication thermal insulation in a high and cold area. The method at least comprises the steps of 1, arranging water inlet pipelines at the bottom of a concrete structure of a gate rail, wherein water returning pipelines are arranged at the upsides of the water inlet pipelines, the water inlet pipelines are connected with a boiler water inlet tower and are communicated with the water returning pipelines, the water inlet pipelines and the water returning pipelines are horizontally arranged in the concrete structure of the gate rail, and the water inlet pipelines are connected with the boiler water inlet tower and are communicated with the water returning pipelines; 2, heating the boiler water inlet tower, and improving the surface temperature of the concrete structure by hot water circulation of the water inlet pipelines and the water returning pipelines. The operation method has the excellent effects that the water inlet pipelines and the water returning pipelines are embedded in the concrete structure in the high and cold area, the concrete surface temperature is improved, the surface, where the gate rail is positioned, of the concrete structure is enabled not to ice, and the free opening and closing of the gate are ensured; the structure is simple, the operation is simple, the manufacturing cost is low and safe and reliable effects are realized.
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, gate slot concrete and track freeze, and cause gate opening/closing difficulty.
Conventionally, for the way of gate opening/closing problem routine, be, before gate opening/closing, adopt hot water to build freezing on strobe track and gate slot concrete, it is dissolved after open-close sluice gate again, but often field condition is limit, personnel to not gate correct position process, the effect preferably reaching is undesirable, causes gate damage of water block while opening and closing, and leaks behind the door serious, What is more, deicing is not thorough, causes the difficult situation that can not normally open and close on gate, and consequence is very serious.
There is potential safety hazard in the mechanical deicing of available technology adopting 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:
A method of operating for extremely frigid zones concrete pouring water and heat preservation, at least comprises:
The first step: the concrete structure bottom at strobe track arranges inlet channel, and described inlet channel upside arranges water return pipeline, 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; Concrete structure inner horizontal at strobe track arranges inlet channel and water return pipeline, and described inlet channel is connected with boiler feed water tower, and described inlet channel and water return pipeline are communicated with;
Second step: heating boiler intake tower, by the hot water circuit of inlet channel and water return pipeline, improve the surface temperature of described concrete structure, reach the object that the concrete structural surface of strobe track does not freeze, thereby guarantee 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 apart from concrete structure 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, guarantee that strobe track place concrete structural surface does not freeze, guarantee 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: at extremely frigid zones, adopt at the pre-buried inlet channel of concrete structure and water return pipeline, can improve surface temperature of concrete, guarantee that strobe track place concrete structural surface does not freeze, guarantee that gate freely opens and closes; Simple in structure, simple to operate, low cost of manufacture, safe and reliable.
Accompanying drawing explanation
Fig. 1 is for using the job site schematic diagram of a kind of method of operating for extremely frigid zones concrete pouring water and heat preservation of the present invention;
Fig. 2 is that the A of Fig. 1 schematic diagram is to view.
Accompanying drawing sign is as follows:
1-inlet channel, 2-water return pipeline, 3-concrete structure.
The specific embodiment
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: concrete structure 3 bottoms at strobe track arrange inlet channel 1, described inlet channel 1 upside arranges water return pipeline 2, described inlet channel 1 is connected with boiler feed water tower (not shown), and described inlet channel 1 is connected with water return pipeline 2, forms hot water supply circulation system; Concrete structure 3 inner horizontal at strobe track arrange inlet channel 1 and water return pipeline 2, and described inlet channel 1 is connected with boiler feed water tower, and described inlet channel 1 and water return pipeline 2 are communicated with; Described water return pipeline 2 ends connect outlet valve (not shown).When described inlet channel 1 is horizontally disposed with water return pipeline 2, described inlet channel 1 and water return pipeline 2 apart from concrete structure 3 between 10-15cm.
Second step: heating boiler intake tower, by the hot water circuit of inlet channel 1 and water return pipeline 2, improve the surface temperature of described concrete structure 3, reach the object that does not freeze on concrete structure 3 surfaces of strobe track, thereby guarantee 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, successfully applies 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 ℃, 36.4 ℃ of Extreme Maximum Temperatures, and the extreme lowest temperature-40 ℃, annual mean temperature is in Table shown in 1-1;
His assorted hydrometric station temperature on average mark sheet of table 1-1 carat (unit: ℃)
| 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 |
| The extreme lowest temperature | -40 | -37 | -32 | -17.5 | -3.5 | 3 | 8.7 | 4 | -5 | -16.5 | -34 | -40 | -40 |
Due to requirement of engineering, in cold winter, Diversion Tunnel is carried out to shutoff reconstruction work, shown in table 1-1, this period is in the coldest period of the whole year.This project relates at Diversion Tunnel props up hole and Diversion Tunnel lock well 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, freezing serious, 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, while constructing in the winter time, in concrete structure 3 bottoms at strobe track, inlet channel 1 is set, described inlet channel 1 upside arranges water return pipeline 2, 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; Simultaneously concrete structure 3 inner horizontal at strobe track arrange inlet channel 1 and water return pipeline 2, and described inlet channel 1 is connected with boiler feed water tower, described inlet channel 1 and water return pipeline 2 connections; Described water return pipeline 2 ends all connect outlet valve (not shown).Described inlet channel 1 and water return pipeline 2 adopt the hot-water line that diameter is 48mm.
When described inlet channel 1 is horizontally disposed with water return pipeline 2, described inlet channel 1 and water return pipeline 2 apart from concrete structure 3 between 10-15cm.
Inflow temperature 80-86 ℃ after testing, leaving water temperature 60-67 ℃, concrete structure 3 surface temperatures are 5-6 ℃.The hot water supply circulation system that many group inlet channels 1 and water return pipeline 2 form is set, hot water supply circulation system spacing 50-60cm in concrete structure 3 inside.In the surperficial strobe track of described concrete structure 3 and gate slot, without freezing phenomenon, shutter opening and closing is smooth.
The present invention is not limited to above-mentioned embodiment, and in the situation that not deviating from flesh and blood of the present invention, any distortion 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: the concrete structure bottom at strobe track arranges inlet channel, and described inlet channel upside arranges water return pipeline, 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; Concrete structure inner horizontal at strobe track arranges inlet channel and water return pipeline, and described inlet channel is connected with boiler feed water tower, and described inlet channel and water return pipeline are communicated with;
Second step: heating boiler intake tower, by the hot water circuit of inlet channel and water return pipeline, improve the surface temperature of described concrete structure, reach the object that the concrete structural surface of strobe track does not freeze, thereby guarantee 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 apart from concrete structure 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.
Priority Applications (1)
| 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 true CN104099904A (en) | 2014-10-15 |
| CN104099904B CN104099904B (en) | 2016-02-24 |
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| CN201410308522.8A Active 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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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 |
-
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 |
|---|
| 吕传亮等: "弧形工作闸门冬季运行埋件加热系统设计", 《水利与建筑工程学报》 * |
| 张雷等: "水库闸门防冻方法研究", 《可再生能源》 * |
| 杨刚: "浅谈水工建筑物的冰冻破坏及防治", 《中国水运》 * |
| 马学志: "高寒地区冬季混凝土施工", 《城市建设理论研究（电子版）》 * |
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| CN104099904B (en) | 2016-02-24 |
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