CN108405485B - Cable-stayed bridge steel strand inhaul cable deicing and anti-icing system and method - Google Patents
Cable-stayed bridge steel strand inhaul cable deicing and anti-icing system and method Download PDFInfo
- Publication number
- CN108405485B CN108405485B CN201810141060.3A CN201810141060A CN108405485B CN 108405485 B CN108405485 B CN 108405485B CN 201810141060 A CN201810141060 A CN 201810141060A CN 108405485 B CN108405485 B CN 108405485B
- Authority
- CN
- China
- Prior art keywords
- cable
- icing
- inhaul
- guide pipe
- top end
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0064—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes
- B08B7/0071—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by temperature changes by heating
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a cable-stayed bridge steel strand stay cable deicing and anti-icing system and a method, which relate to the field of bridge operation safety protection, wherein the system comprises a heating piece and a sensor group, wherein the heating piece is wrapped on a cable guide pipe at the bottom of a stay cable; the sensor group comprises a temperature sensor, a humidity sensor and an icing sensor which are arranged on the surface layer of the top end of the inhaul cable; the bottom of the cable guide pipe at the bottom of the inhaul cable is provided with a vent hole, the upper part of the cable guide pipe at the top of the inhaul cable is provided with a vent hole, and the vent hole in the cable guide pipe at the bottom of the inhaul cable and the vent hole in the cable guide pipe at the top of the inhaul cable are both communicated with the inside of the inhaul cable. The cable-stayed bridge cable deicing and anti-icing device can effectively realize deicing and anti-icing of the cable-stayed bridge cable.
Description
Technical Field
The invention relates to the field of bridge operation safety protection, in particular to a cable-stayed bridge steel strand cable deicing and anti-icing system and a cable-stayed bridge steel strand cable deicing and anti-icing method.
Background
The cable-stayed bridge has the advantages of large spanning capacity, attractive appearance and the like, is one of the main bridge types of large-span bridges in the traffic system in China, and currently, 200 residual seats of the cable-stayed bridge are built domestically and account for about one third of the total number of the cable-stayed bridges all over the world, wherein the stay cable is a main bearing and force transmission component of the cable-stayed bridge and is positioned on the bridge floor.
In the operation process of the cable-stayed bridge, the phenomena of (freezing) rain, snow, icing and the like caused by climatic reasons in the middle and north areas of China easily cause great hidden dangers to the structure and traffic safety of the bridge. For the stay cable, a part of rain and snow is left on the stay cable after the rain and snow weather passes, and the stay cable can be frozen when the temperature is lower than 0 ℃; it is worth noting that in the middle area of China (the lowest temperature is near 0 ℃ in winter), the temperature of the bridge deck is above 0 ℃ or no icing phenomenon occurs, the high altitude of the guy cable close to the bridge tower is below 0 ℃, rain and snow left on the guy cable are condensed into ice, the ice on the surface of the guy cable can damage the guy cable structure, meanwhile, the ice blocks condensed on the guy cable can fall off from the guy cable due to the influence of external factors such as temperature rise, wind blowing or normal vibration of the guy cable, and the ice blocks with higher positions can cause great potential safety hazard to vehicles normally running on the bridge deck due to higher speed when falling, even cause link traffic accidents in severe cases, and cause great personal loss, so that the generated public opinion is extremely unfavorable to social stability. In recent years, a plurality of events which affect the traffic safety of bridges due to the ice falling of the stay cables have occurred, for example, in 30 months 1 in 2015, the ice falling of the main bridge stay cables of the main bridge of the Jingyue Yangtze river bridge occurs, a plurality of motor vehicles are crushed, and the bridge floor is covered by ice slag, so that traffic control is caused; in 2015 1 month and 2018 1 month, ice on the stay cables of the bridges in the second seven-Changjiang river of Wuhan falls down from the high altitude to smash a plurality of vehicles, so that the traffic safety is influenced; the main bridge of the eight bridges in Nanchang also generates ice falling through stay cables, so that more than 30 motor vehicles are crushed, pedestrians are crushed, and traffic safety and personal and property safety are endangered. In addition, the section shape of the stay cable can be changed by the accumulated snow ice of the stay cable, so that the aerodynamic characteristics of the stay cable are changed, the wind-induced vibration response of the bridge is changed, and the structural safety of the bridge is threatened.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cable-stayed bridge steel strand cable deicing and anti-icing system, which realizes deicing and anti-icing of a cable and ensures safe operation of a bridge structure and normal traffic of bridge vehicles.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the heating piece is wrapped on the cable guide pipe at the bottom of the inhaul cable;
the sensor group comprises a temperature sensor, a humidity sensor and an icing sensor which are arranged on the surface layer of the top end of the inhaul cable;
the bottom of the cable guide pipe at the bottom of the inhaul cable is provided with a vent hole, the upper part of the cable guide pipe at the top of the inhaul cable is provided with a vent hole, and the vent hole in the cable guide pipe at the bottom of the inhaul cable and the vent hole in the cable guide pipe at the top of the inhaul cable are both communicated with the inside of the inhaul cable.
On the basis of the technical scheme, the heating pieces wrapped on the cable guide pipe at the bottom of the inhaul cable are multiple, and the multiple heating pieces are uniformly wrapped around the cable guide pipe at the bottom of the inhaul cable.
On the basis of the technical scheme, the outer layer of the heating sheet is wrapped with a heat insulation layer.
On the basis of the technical scheme, a ventilation control valve is arranged on the ventilation hole of the cable guide pipe at the top end of the inhaul cable, and a temperature sensor is arranged in the ventilation control valve.
On the basis of the technical scheme, air dehumidifiers are arranged on the vent holes of the cable guide pipe at the bottom of the stay cable and the cable guide pipe at the top end of the stay cable.
On the basis of the technical scheme, the top end of the inhaul cable is also provided with a camera system for monitoring the icing condition of the upper part of the inhaul cable.
The invention also provides a cable-stayed bridge steel strand cable deicing and anti-icing method, which comprises the following steps:
the temperature sensor, the humidity sensor and the icing sensor on the surface layer of the top end of the stay cable monitor the temperature, the humidity and the icing condition of the top end of the stay cable;
when the situation that the top end of the inhaul cable is frozen is monitored, and the humidity of the top end of the inhaul cable is larger than a set humidity threshold value or the temperature of the top end of the inhaul cable is smaller than a set temperature threshold value, the heating sheet starts to work.
On the basis of the technical proposal, the device comprises a shell,
the top end of the inhaul cable is provided with a camera system for monitoring the icing condition of the upper part of the inhaul cable;
when the camera system monitors that the icing at the top end of the inhaul cable is eliminated, and the humidity of the top end of the inhaul cable is smaller than the set humidity or the temperature of the top end of the inhaul cable is larger than the set temperature, the heating sheet stops working.
On the basis of the technical proposal, the device comprises a shell,
a ventilation control valve is arranged on a vent hole of the cable guide pipe at the top end of the inhaul cable, and a temperature sensor is arranged in the ventilation control valve;
when the temperature sensor in the ventilation control valve monitors that the temperature of the air flowing out of the ventilation control valve reaches a set threshold value, the ventilation control valve is closed, and the heating power of the heating plate is reduced.
Compared with the prior art, the invention has the advantages that:
(1) the air of heating plate to cable bottom cable pipe department heats formation hot-air, according to the chimney effect, the hot-air heats the cable in the inside automatic upward flow of cable, thereby realize the elimination frozen to the cable top, hot-air lasts at the inside flow of cable simultaneously, can prevent the emergence of the cable top condition of freezing once more, reach the purpose to cable anti-icing, effectively eliminate the bridge construction operation potential safety hazard because of the cable freezes and bring, guarantee bridge vehicles's normal current.
(2) The deicing and anti-icing device of the whole system is simple, the number of the devices is small, the installation and the maintenance are convenient, the chimney effect is utilized to realize the automatic rising of hot air in the stay cable, the energy consumption caused by using other air supercharging devices is avoided, and the operation cost of deicing and anti-icing is reduced.
(3) Temperature sensor in the air control valve is used for monitoring the temperature of the hot-air that flows out, is convenient for adjust the heating power of heating plate in real time, avoids the too high damage to the cable of hot-air temperature in the cable.
Drawings
FIG. 1 is a schematic structural diagram of a cable-stayed bridge steel strand cable deicing and anti-icing system.
In the figure: the system comprises a pull rope 1, a temperature sensor 2, a humidity sensor 3, an icing sensor 4, a vent hole 5, a heating sheet 6, a thermal insulation layer 7, a ventilation control valve 8, an air dehumidifier 9, a camera system 10, a cable guide pipe 11 and a bridge tower 12.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the invention provides a cable-stayed bridge steel strand cable deicing and anti-icing system, which is used for deicing and anti-icing a cable 1 on a cable-stayed bridge, namely deicing the icing on the cable 1, and preventing the icing phenomenon on the cable 1. The cable-stayed bridge steel strand cable deicing and anti-icing system comprises a heating sheet 6 and a sensor group.
On the cable pipe 11 of heating plate 6 parcel in cable 1 bottom, under the general condition, the heating plate 6 of parcel is a plurality of on cable pipe 11 of cable 1 bottom, and a plurality of heating plate 6 evenly parcel is in cable 1 bottom cable pipe 11 all around, heats the air of cable 1 bottom cable pipe 11 department through heating plate 6, and for preventing thermal outside loss, the outer parcel of heating plate 6 has insulating layer 7.
The sensor group is including locating temperature sensor 2, humidity transducer 3 and the sensor 4 that freezes on the 1 top surface layer of cable, monitors the temperature, humidity and the condition of freezing on 1 top of cable through temperature sensor 2, humidity transducer 3 and the sensor 4 that freezes on the 1 top surface layer of cable. The vent hole 5 has been seted up to the bottom of 1 bottom cable pipe 11 of cable, and the vent hole 5 has been seted up on the upper portion of 1 top cable pipe 11 of cable, and vent hole 5 on 1 bottom cable pipe 11 of cable and the vent hole 5 on 1 top cable pipe 11 of cable all communicate with the inside of cable 1, and outside air can get into 1 inside of cable from the vent hole 5 of 1 bottom cable pipe 11 of cable promptly to flow from the vent hole 5 of 1 top cable pipe 11 of cable.
The air of heating plate 6 to 1 bottom cable pipe 11 department of cable heats formation hot-air, according to chimney effect and the automatic principle that rises of hot-air, hot-air can be at 1 inside automatic upflow of cable, then flow out in the air vent 5 of 1 top cable pipe 11 of cable, in-process that flows 1 inside of cable heats cable 1, thereby eliminate the freezing on 1 top of cable, simultaneously after the condition of freezing is eliminated, owing to still can lasting heating, hot-air lasts at 1 inside flow of cable, thereby can prevent the emergence of the condition of freezing once more in 1 top of cable, reach the mesh to cable 1 anti-icing.
The vent hole 5 of the top end cable guide pipe 11 of the inhaul cable 1 is provided with a ventilation control valve 8, and the ventilation control valve 8 is internally provided with a temperature sensor 2. The vent control valve 8 controls the flow rate of the gas flowing out of the vent hole 5 of the top end cable guide 11 of the cable 1, thereby controlling the flow rate of the hot air inside the cable 1. Temperature sensor 2 in the ventilation control valve 8 is used for monitoring the temperature of the hot-air that flows out, is convenient for adjust the heating power of heating plate 6 in real time, avoids hot-air high temperature in cable 1 to cause the damage to cable 1.
According to the deicing and anti-icing system for the steel strand inhaul cable of the cable-stayed bridge, the air at the cable guide pipe 11 at the bottom of the inhaul cable 1 is heated by the heating sheet 6 to form hot air, and the hot air automatically flows upwards in the inhaul cable 1 to heat the inhaul cable 1 according to the chimney effect, so that the icing on the top end of the inhaul cable 1 is eliminated, meanwhile, the hot air continuously flows in the inhaul cable 1, the situation that the top end of the inhaul cable 1 is frozen again can be prevented, the aim of preventing the inhaul cable 1 from being iced is fulfilled, the potential safety hazard of bridge structure operation caused by the icing of the inhaul cable 1 is; the deicing and anti-icing device of the whole system is simple, the number of the devices is small, the installation and the maintenance are convenient, the chimney effect is utilized to realize the automatic rising of hot air in the stay cable 1, the energy consumption caused by using other air supercharging devices is avoided, and the operation cost of deicing and anti-icing is reduced.
The invention also provides a cable-stayed bridge steel strand cable deicing and anti-icing method using the system, which comprises the following steps:
s1: the temperature sensor 2, the humidity sensor 3 and the icing sensor 4 on the surface layer of the top end of the inhaul cable 1 monitor the temperature, the humidity and the icing condition of the top end of the inhaul cable 1;
s2: when the situation that the top end of the inhaul cable 1 is frozen is monitored, and the humidity of the top end of the inhaul cable 1 is larger than a set humidity threshold value or the temperature of the top end of the inhaul cable 1 is smaller than a set temperature threshold value, the heating sheet 6 starts to work;
s3: the heating sheet 6 heats air at the bottom cable guide pipe 11 of the inhaul cable 1 to form hot air, and the hot air flows upwards in the inhaul cable 1 along the length direction of the inhaul cable 1 and flows out from the vent hole 5 of the top cable guide pipe 11 of the inhaul cable 1.
The camera system 10 that is used for monitoring the frozen condition in cable 1 upper portion is installed on cable 1 top, and when camera system 10 monitored cable 1 top and freezed and has eliminated, and the humidity on cable 1 top is less than the humidity of settlement or the temperature is greater than the settlement temperature, then heating plate 6 stop work.
A ventilation control valve 8 is arranged on a ventilation hole 5 of a cable guide pipe 11 at the top end of the inhaul cable 1, a temperature sensor 2 is arranged in the ventilation control valve 8, when the temperature sensor 2 in the ventilation control valve 8 monitors that the temperature of air flowing out of the ventilation control valve 8 reaches a set threshold value, the ventilation control valve 8 is turned down, the heating power of the heating sheet 6 is reduced, the internal temperature of the inhaul cable 1 is kept in a constant state, and the aim of ice prevention is achieved. In the embodiment of the invention, the set humidity threshold value and the set humidity value related to humidity are different, and the set temperature threshold value, the set temperature and the set threshold value related to temperature are different.
According to the method for deicing and anti-icing the steel strand stay cable of the cable-stayed bridge, the air at the bottom cable guide pipe 11 of the stay cable 1 is heated by the heating sheet 6 to form hot air, and the hot air automatically flows upwards in the stay cable 1 to heat the stay cable 1 according to the chimney effect, so that the icing on the top end of the stay cable 1 is eliminated, meanwhile, the hot air continuously flows in the stay cable 1, the situation that the top end of the stay cable 1 is frozen again can be prevented, the aim of deicing the stay cable 1 is fulfilled, the potential safety hazard of bridge structure operation caused by the icing of the stay cable 1 is effectively eliminated, and the normal traffic of bridge vehicles is ensured.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (8)
1. The utility model provides a cable-stay bridge steel strand wires cable deicing anti-icing system for cable (1) to cable-stay bridge on carries out deicing anti-icing, a serial communication port, include:
the heating piece (6) is wrapped on the cable guide pipe (11) at the bottom of the inhaul cable (1);
the sensor group comprises a temperature sensor (2), a humidity sensor (3) and an icing sensor (4) which are arranged on the surface layer of the top end of the stay cable (1);
the bottom of a cable guide pipe (11) at the bottom of the inhaul cable (1) is provided with a vent hole (5), the upper part of the cable guide pipe (11) at the top of the inhaul cable (1) is provided with a vent hole (5), and the vent hole (5) on the cable guide pipe (11) at the bottom of the inhaul cable (1) and the vent hole (5) on the cable guide pipe (11) at the top of the inhaul cable (1) are both communicated with the inside of the inhaul cable (1);
a ventilation control valve (8) is arranged on a ventilation hole (5) of a cable guide pipe (11) at the top end of the inhaul cable (1), and a temperature sensor (2) is arranged in the ventilation control valve (8).
2. The cable-stayed bridge steel strand cable deicing and anti-icing system as set forth in claim 1, characterized in that: the heating plates (6) wrapped on the cable guide pipe (11) at the bottom of the inhaul cable (1) are multiple, and the heating plates (6) are uniformly wrapped around the cable guide pipe (11) at the bottom of the inhaul cable (1).
3. The cable-stayed bridge steel strand cable deicing and anti-icing system as claimed in claim 2, characterized in that: the outer layer of the heating plate (6) is wrapped with a heat insulation layer (7).
4. The cable-stayed bridge steel strand cable deicing and anti-icing system as set forth in claim 1, characterized in that: and air dehumidifiers (9) are respectively arranged on the vent holes (5) of the cable guide pipe (11) at the bottom of the cable (1) and the cable guide pipe (11) at the top of the cable (1).
5. The cable-stayed bridge steel strand cable deicing and anti-icing system as set forth in claim 1, characterized in that: and the top end of the inhaul cable (1) is also provided with a camera system (10) for monitoring the icing condition of the upper part of the inhaul cable (1).
6. A cable-stayed bridge steel strand cable deicing and anti-icing method using the system deicing and anti-icing of claim 1, comprising:
the temperature sensor (2), the humidity sensor (3) and the icing sensor (4) on the surface layer of the top end of the inhaul cable (1) monitor the temperature, the humidity and the icing condition of the top end of the inhaul cable (1);
when the situation that the top end of the inhaul cable (1) is frozen is monitored, and the humidity of the top end of the inhaul cable (1) is larger than a set humidity threshold value or the temperature of the top end of the inhaul cable is smaller than a set temperature threshold value, the heating piece (6) starts to work.
7. The cable-stayed bridge steel strand inhaul cable deicing and anti-icing method according to claim 6, characterized in that:
the top end of the inhaul cable (1) is provided with a camera system (10) for monitoring the icing condition of the upper part of the inhaul cable (1);
when the camera system (10) monitors that the icing on the top end of the inhaul cable (1) is eliminated, and the humidity of the top end of the inhaul cable (1) is smaller than the set humidity or the temperature is larger than the set temperature, the heating sheet (6) stops working.
8. The cable-stayed bridge steel strand inhaul cable deicing and anti-icing method according to claim 7, characterized in that:
a ventilation control valve (8) is arranged on a ventilation hole (5) of a cable guide pipe (11) at the top end of the inhaul cable (1), and a temperature sensor (2) is arranged in the ventilation control valve (8);
when the temperature sensor (2) in the ventilation control valve (8) monitors that the temperature of the air flowing out of the ventilation control valve (8) reaches a set threshold value, the ventilation control valve (8) is closed, and the heating power of the heating plate (6) is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141060.3A CN108405485B (en) | 2018-02-11 | 2018-02-11 | Cable-stayed bridge steel strand inhaul cable deicing and anti-icing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141060.3A CN108405485B (en) | 2018-02-11 | 2018-02-11 | Cable-stayed bridge steel strand inhaul cable deicing and anti-icing system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108405485A CN108405485A (en) | 2018-08-17 |
| CN108405485B true CN108405485B (en) | 2020-11-06 |
Family
ID=63128519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810141060.3A Active CN108405485B (en) | 2018-02-11 | 2018-02-11 | Cable-stayed bridge steel strand inhaul cable deicing and anti-icing system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108405485B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357787A (en) * | 2018-10-26 | 2019-02-19 | 中国十七冶集团有限公司 | A kind of main beam concrete temperature monitoring method of cable-stayed bridge |
| CN110042755A (en) * | 2019-05-23 | 2019-07-23 | 重庆万桥交通科技发展有限公司 | Bridge cable protective case, protective device and its bridge cable |
| CN110396929A (en) * | 2019-07-26 | 2019-11-01 | 中铁武汉勘察设计研究院有限公司 | A kind of anti-freeze method and system of cable-stayed bridge cable casing |
| CN110725205B (en) * | 2019-09-09 | 2021-04-30 | 合肥工业大学 | Deicing and snow-melting protection device for bridge stay cable |
| CN110747740B (en) * | 2019-10-23 | 2021-02-02 | 三峡大学 | Intelligent anti-icing and deicing system for stay cable and application method |
| CN113944102A (en) * | 2020-07-18 | 2022-01-18 | 武汉日意科技有限公司 | Ice-preventing bridge inhaul cable |
| CN112227202B (en) * | 2020-09-30 | 2021-12-14 | 中铁大桥局集团有限公司 | Stay cable damper with vibration deicing function |
| CN113774790B (en) * | 2021-07-19 | 2023-04-07 | 重庆万桥交通科技发展有限公司 | Anti-corrosion cable rope of cable-stayed bridge |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005200867A (en) * | 2004-01-14 | 2005-07-28 | Obihiro Development & Construction Department Hokkaido Regional Development Bureau | Diagonal cable snow removing device for cable stayed bridge |
| CN102979034A (en) * | 2012-12-05 | 2013-03-20 | 江苏法尔胜缆索有限公司 | Parallel steel wire guy cable system dehumidified by using dry air and capable of monitoring humidity of guy cable |
| CN105626396A (en) * | 2015-12-29 | 2016-06-01 | 北京金风科创风电设备有限公司 | Blade deicing device, wind generating set and blade deicing method |
| CN105926442A (en) * | 2016-03-30 | 2016-09-07 | 武汉迈克斯热能技术有限公司 | Bridge stayed cable ice and snow melting system |
| KR101704684B1 (en) * | 2016-07-04 | 2017-02-08 | 한국시설안전공단 | Cable of cable-stayed bridge with snow-melting function |
| CN206655125U (en) * | 2017-04-13 | 2017-11-21 | 深圳市科兰德实业发展有限公司 | A kind of stay cable dehumidification system |
| CN107676233A (en) * | 2017-11-09 | 2018-02-09 | 华润电力投资有限公司深圳分公司 | A kind of wind power generating set and its blade deicing system |
-
2018
- 2018-02-11 CN CN201810141060.3A patent/CN108405485B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005200867A (en) * | 2004-01-14 | 2005-07-28 | Obihiro Development & Construction Department Hokkaido Regional Development Bureau | Diagonal cable snow removing device for cable stayed bridge |
| CN102979034A (en) * | 2012-12-05 | 2013-03-20 | 江苏法尔胜缆索有限公司 | Parallel steel wire guy cable system dehumidified by using dry air and capable of monitoring humidity of guy cable |
| CN105626396A (en) * | 2015-12-29 | 2016-06-01 | 北京金风科创风电设备有限公司 | Blade deicing device, wind generating set and blade deicing method |
| CN105926442A (en) * | 2016-03-30 | 2016-09-07 | 武汉迈克斯热能技术有限公司 | Bridge stayed cable ice and snow melting system |
| KR101704684B1 (en) * | 2016-07-04 | 2017-02-08 | 한국시설안전공단 | Cable of cable-stayed bridge with snow-melting function |
| CN206655125U (en) * | 2017-04-13 | 2017-11-21 | 深圳市科兰德实业发展有限公司 | A kind of stay cable dehumidification system |
| CN107676233A (en) * | 2017-11-09 | 2018-02-09 | 华润电力投资有限公司深圳分公司 | A kind of wind power generating set and its blade deicing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108405485A (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108405485B (en) | Cable-stayed bridge steel strand inhaul cable deicing and anti-icing system and method | |
| CN108301324B (en) | Intelligent dehumidifying and deicing system and method for cable-stayed bridge inhaul cable | |
| CN106848881A (en) | A kind of box-type substation rain and snow device | |
| CN102538504B (en) | Optimized energy-saving cold-preventing system and method at air inlet sides of cooling tower | |
| CN103104071B (en) | Intelligent snow-removing and solar-protection device | |
| CN101151959A (en) | High-efficiency energy-saving type internal insulation day-light greenhouse | |
| CN106835896A (en) | A kind of asphalt concrete pavement snow-melting system | |
| CN103688796A (en) | Snow-proof external sun-shading system applied to Venlo type multi-span glass greenhouse | |
| CN203113639U (en) | Intelligentialized snow-removing and sun-shading device for roof | |
| CN106638226A (en) | Bridge with de-icing function | |
| CN203862061U (en) | High-altitude water sprinkling air purifier | |
| CN108380532A (en) | A kind of quick de-icing snow-removing device of cable-stayed bridge cable | |
| CN105201256B (en) | Underground stereo garage parking ventilation and exhaust device | |
| CN208778153U (en) | A kind of automatic de-icing formula wind power generation plant | |
| CN101994288A (en) | Safety device for weather factors in airport | |
| CN111723987A (en) | Method for predicting thickness of wet snow covered on composite insulator of power transmission line | |
| CN204167731U (en) | A kind of Winter-summer dual purpose anti-condensation switch cabinet | |
| CN209627911U (en) | A kind of electronic information communication equipment | |
| Mahaffy | The ice storm of 25–26 February 1961 at Montreal | |
| CN212294394U (en) | Anti-icing type bridge cable body repair system | |
| CN202706358U (en) | Device for preventing steel structure color steel factory building roof from forming ice columns | |
| WO2011052857A1 (en) | Apparatus for preventing fog formation and dispersing fog on runways by using a sprinkler | |
| CN210067402U (en) | Special hanging basket for heat preservation construction of dam in severe cold area | |
| CN107288582A (en) | A kind of pit shaft heat-insulation system and pit shaft thermal-insulation control method | |
| CN206438367U (en) | A kind of bridge with deicing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |