CN101260659A - Temperature controlled hot pipe ice-melting method - Google Patents
Temperature controlled hot pipe ice-melting method Download PDFInfo
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- CN101260659A CN101260659A CNA2008100473673A CN200810047367A CN101260659A CN 101260659 A CN101260659 A CN 101260659A CN A2008100473673 A CNA2008100473673 A CN A2008100473673A CN 200810047367 A CN200810047367 A CN 200810047367A CN 101260659 A CN101260659 A CN 101260659A
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Abstract
The invention discloses a winter temperature-controlling heat pipe deicing method in hydraulic engineering. The method is to arrange a gravity heat pipe on a sluice gate groove or a sluice gate main body, etc. of the hydraulic engineering, which are frozen easily, and the shape of the gravity heat pipe is adaptive to the shape of the sluice gate groove or the sluice gate main body, etc. A temperature sensor is arranged on the upper part of the heat pipe, the lower part of which is provided with an electric heater. The sensor and the electric heater are respectively connected with a controller which controls temperature through conducting wires. The parts which are easy to freeze are controlled within deicing state all along by the temperature controller; therefore, the normal running of the hydraulic engineering can be ensured in winter.
Description
Technical field
The present invention relates to the de-icing technology in the hydraulic engineering, particularly a kind of preventing winter from locating to occur freezing the temperature controlled hot pipe ice-melting method of phenomenon at gate etc.
Background technology
In hydraulic engineering water delivery in winter, the steel gate is to guarantee that whole engineering is normal, the visual plant of safe operation.Between gate sealing rubber and the gate slot and to freeze between the gate Men Tiyu ice cube be recurrent, not only crisp but also hard phenomenon appears in water stop rubber under low-temperature condition.When freezing between gate sealing rubber and the gate slot, the operation gate makes the gate sealing rubber tear easily, and causing water stop rubber to destroy can not sealing; When freezing between the gate Men Tiyu ice cube, the ice cube bulbs of pressure can be destroyed gate, and actuating doors also drives the ice cube that freezes with it simultaneously, and the operating physical force of gate also increases greatly.
It is a variety of to prevent that at present the mode that occurs freezing between gate sealing rubber and the gate slot from having, and the deep fat heating is typically arranged.In the gate slot embedded part, inject hydraulic oil,, adopt the mode of convection current to conduct on the gate slot embedded part in the hydraulic oil that heats, can make the ice-out between gate and the embedded part by hydraulic power unit and the automatically controlled facility that is provided with.Since the cryogenic heat transfer of deep fat bad, oily seriously polluted, that heat waste is big etc. is all multifactor, use has not been recommended in hydraulic engineering in 2007 in " hydraulic structure resist freezing design specifications "; It is that the gate door body back side is iced with resistance wire heating and artificial pick that solution gate door and ice cube freeze conventional way, has potential safety hazard with the resistance wire heating, easily causes short circuit, causes personal injury.Manually pick ice is wasted time and energy, and increases management cost, very easily causes the drowning injures and deaths of pick match-maker person.
Summary of the invention
The object of the invention provides the de-icing method that a kind of high-efficiency heat conduction element gravity assisted heat pipe simple in structure, that use is easy to maintenance, the thermal efficiency is high, energy consumption is low transmits, prevent between gate sealing rubber and the gate slot and gate Men Tiyu ice cube between freeze, thereby can guarantee freeze the in the winter time normal operation of steel gate in the phase of hydroelectric project.
Purpose of the present invention is realized by following scheme:
A kind of temperature controlled hot pipe ice-melting method in winter that is used for hydraulic engineering, it is to be provided with the suitable with it gravity assisted heat pipe of external form 5 on the gate slot 3 of hydraulic engineering or gate body 8, heat pipe 5 tops are provided with temperature pick up 4, the bottom of heat pipe is provided with electric heater 6, sensor 4 is connected with the controller 1 that carries out temperature control by lead 2 respectively with electric heater 6, and the temperature at gate slot 3 or gate body 8 places is controlled at the ice-melt temperature automatically all the time and makes the position that easily freezes be in the ice-melt state.
The temperature control of 1 pair of gate slot 3 of above-mentioned temperature controller or gate body 8 is centralized Control or control separately.
Temperature controlled hot pipe ice-melting method of the present invention, overcome in traditional air heat ice-melting method heat transfer rate slow, conduct heat inhomogeneous and deep fat heating ice-melting method in slow, the shortcoming such as heat waste is big of heat transfer rate.Have advantages such as heat transfer rate is fast, heat transfer is even, no heat waste, and the product manufacturing is cheap relatively.It is to meet current energy-saving and emission-reduction of advocating of country and environmental protection policy, so this hot pipe ice-melting method is the more satisfactory method that substitutes traditional ice-melting method.
Description of drawings
Fig. 1 is the structural representation between gate sealing rubber of the present invention and the gate slot.
Fig. 2 is the facade sectional structure schematic diagram between the gate Men Tiyu ice cube of the present invention.
The specific embodiment
Above accompanying drawing is disclosed to be the structure of one embodiment of the present of invention.
Consult Fig. 1, Fig. 2, among the figure, 1 is controller, and it can control the energising or the outage of electric heater according to the temperature that temperature pick up 4 is gathered; 2 is lead, contains the control line of power line; 3 is gate slot, becomes difformity according to the water conservancy project layout design; 4 is temperature pick up, gathers gravity assisted heat pipe upper end temperature, and general hydraulic engineering belongs to finished product with being low-temperature sensor (scope from-100 ℃ to 200 ℃), and the market is on sale; 5 is gravity assisted heat pipe, according to gate slot or the design of gate body shape, adopts the manufacturings of general steel plate (steel pipe) or corrosion resistant plate (steel pipe), sealed at both ends, inside is for negative pressure and fill working media, and its capacity of heat transmission surpasses existing known metal, can entrust the professional production manufacturer production; 6 is electric heater, adopts resistance wire or heater elements such as PTC pottery or magnet exciting coil; 7 is water stop rubber, the water conservancy project finished product; 8 is the gate body, becomes difformity according to the water conservancy project layout design; 9 are ice.
To consider ice age in winter ice-melt problem as certain water delivery engineering, arrange needs, gate slot 3 is reserved a rectangular enclosure according to hydraulic engineering.It is identical shaped that gravity assisted heat pipe 5 is designed to the rectangular enclosure reserved with gate slot 3, in gravity assisted heat pipe 5 inside or outer setting electric heater 6 and temperature pick up 4, links to each other with controller 1 by lead 2; Gravity assisted heat pipe 5 is designed to plane, is close to the no water surface of gate body 8.
Operating principle is as follows: the temperature that detects gate body 8 and gate slot 3 when temperature pick up 4 is during for-5 ℃ (manually adjustable), controller 1 starts electric heater 6 and starts working, the bottom of the heat transferred gravity assisted heat pipe 5 that electric heater 6 sends, because of gravity assisted heat pipe 5 closely links to each other with gate body 8 and gate slot 3, utilize the superconduction isothermal of gravity assisted heat pipe 5, gate body 8 and gate slot 3 are hotly even; When temperature pick up 4 detects gate body 8 and gate slot 3 temperature and is 0 ℃ (manually adjustable), controller 1 starts electric heater 6 and quits work, and at this moment, is in the ice-melt keeping warm mode, gate body 8 and gate slot 3 are thrown off with ice cube 9, and gate can freely open and close.Thereby guaranteed that hydraulic engineering also can normally move in the winter time.
If unspecified content is arranged, should be the known technology that maybe should know of professional and technical personnel in more than narrating, do not repeat them here.
Claims (2)
1. temperature controlled hot pipe ice-melting method in winter that is used for hydraulic engineering, it is characterized in that: on the gate slot (3) of hydraulic engineering or gate body (8), the suitable with it gravity assisted heat pipe of external form (5) is set, the top of heat pipe (5) is provided with temperature pick up (4), the bottom of heat pipe (5) is provided with electric heater (6), sensor (4) is connected with the controller that carries out temperature control (1) by lead (2) respectively with electric heater (6), and the temperature that gate slot (3) or gate body (8) are located is controlled at the ice-melt temperature automatically all the time and makes the position that easily freezes be in the ice-melt state.
2. by the described temperature controlled hot pipe ice-melting method of claim 1, it is characterized in that: above-mentioned temperature controller (1) is centralized Control or control separately to the temperature control of gate slot (3) or gate body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100473673A CN101260659A (en) | 2008-04-17 | 2008-04-17 | Temperature controlled hot pipe ice-melting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100473673A CN101260659A (en) | 2008-04-17 | 2008-04-17 | Temperature controlled hot pipe ice-melting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101260659A true CN101260659A (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100473673A Pending CN101260659A (en) | 2008-04-17 | 2008-04-17 | Temperature controlled hot pipe ice-melting method |
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| CN (1) | CN101260659A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538200A (en) * | 2012-01-10 | 2012-07-04 | 武汉三楚重工设备有限公司 | Quick heat transfer device |
| CN103410117A (en) * | 2013-08-27 | 2013-11-27 | 湖南三楚科技有限公司 | Anti-icing device |
| CN103437325A (en) * | 2013-08-16 | 2013-12-11 | 李克华 | Ice expansion resistant device for water conservancy project |
| CN111472945A (en) * | 2020-03-23 | 2020-07-31 | 国家电投集团广西兴安风电有限公司 | Wind-powered electricity generation field icing monitoring and early warning device based on electromagnetic resonance principle |
| CN112709186A (en) * | 2020-12-23 | 2021-04-27 | 山西水投防护技术有限公司 | Anti-freezing gate device for hydraulic engineering operation and maintenance |
| CN115387278A (en) * | 2022-09-13 | 2022-11-25 | 王献玲 | Anti-freezing device for upstream face of water conservancy and hydropower gate |
-
2008
- 2008-04-17 CN CNA2008100473673A patent/CN101260659A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538200A (en) * | 2012-01-10 | 2012-07-04 | 武汉三楚重工设备有限公司 | Quick heat transfer device |
| CN103437325A (en) * | 2013-08-16 | 2013-12-11 | 李克华 | Ice expansion resistant device for water conservancy project |
| CN103437325B (en) * | 2013-08-16 | 2015-05-27 | 李克华 | Ice expansion resistant device for water conservancy project |
| CN103410117A (en) * | 2013-08-27 | 2013-11-27 | 湖南三楚科技有限公司 | Anti-icing device |
| CN111472945A (en) * | 2020-03-23 | 2020-07-31 | 国家电投集团广西兴安风电有限公司 | Wind-powered electricity generation field icing monitoring and early warning device based on electromagnetic resonance principle |
| CN112709186A (en) * | 2020-12-23 | 2021-04-27 | 山西水投防护技术有限公司 | Anti-freezing gate device for hydraulic engineering operation and maintenance |
| CN115387278A (en) * | 2022-09-13 | 2022-11-25 | 王献玲 | Anti-freezing device for upstream face of water conservancy and hydropower gate |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080910 |