CN105951684A - Novel antifreezing and deicing device for spillway gate - Google Patents
Novel antifreezing and deicing device for spillway gate Download PDFInfo
- Publication number
- CN105951684A CN105951684A CN201610464691.XA CN201610464691A CN105951684A CN 105951684 A CN105951684 A CN 105951684A CN 201610464691 A CN201610464691 A CN 201610464691A CN 105951684 A CN105951684 A CN 105951684A
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- China
- Prior art keywords
- water
- immersible pump
- sparge pipe
- controller
- spillway gate
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
- E02B1/003—Mechanically induced gas or liquid streams in seas, lakes or water-courses for forming weirs or breakwaters; making or keeping water surfaces free from ice, aerating or circulating water, e.g. screens of air-bubbles against sludge formation or salt water entry, pump-assisted water circulation
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a novel antifreezing and deicing device for a spillway gate. The device comprises a controller, an icing detector, immersible pumps, automatic check valves, connecting water pipes, a water spray pipe, buoyancy units and span wire fixing units. The icing detector is arranged on the surface of a snorkeling unit water area, and the immersible pumps are arranged under the water surface of the snorkeling unit water area. The immersible pumps and the icing detector are connected with the controller. The controller reads current state information. The connecting water pipes are connected between the immersible pumps and the water spray pipe and connect the immersible pumps and the water spray pipe. The water spray pipe adopts water extracted by the immersible pumps to stir a water body. The water spray pipe is connected with the buoyancy units, so that the water spray pipe floats on the water surface all the time along with variation of the water level. The water spray pipe and the buoyancy units are fixed in a set zone through the span wire fixing units.
Description
Technical field
The present invention relates to field, power station, in particular to a kind of novel antifreeze deicing of spillway gate
Device.
Background technology
In recent years, the construction of hydropower stations of China achieves huge achievement.But in the construction in power station,
The antifreeze deicing of spillway gate is one of emphasis of extremely frigid zones hydroelectric station design, and extremely frigid zones overflows big vast winter
The ice formation issues of road gate, has a strong impact on the properly functioning of key water control project.In extremely frigid zones ice period, let out
Before flood gate, ice layer thickness can reach at 1～2 meter, when the bulbs of pressure of ice sheet generation in winter and SEA LEVEL VARIATION
Shearing force gate can be produced stress rupture, the most easily make gate and gate pier produce permanent
Destroy.Extremely frigid zones power station many employings man_made ice cover fluting method, compressed air bubble proof, pressure at present
Water jet method, gate flap electrothermal way ensure that floodgate is survived the winter.
Man_made ice cover fluting method is manually to slot at ice sheet, needs to reach certain thickness at ice sheet, permissible
Carrying personnel, at ice work, just start to process ice sheet, therefore at ice-bound initial stage ice sheet to gate
Stress influence be indelible, simultaneously in defrosting early stage, protection can not be provided equally.It addition,
Taking manually to open ice, personnel need the repeatability work of big intensity in whole every day freezeup period, at bar of extremely trembling with fear
Under part, the icing amount of every day is very big, and cost of labor rises year by year simultaneously, and personal security hidden danger is bigger.
Compressed air bubble proof is to use air compressor and lay air compression pipeline to underwater 2～5 meters, blows
Valve distance gate flap is more than 3 meters.Compressed air is utilized to form convection environment between different temperatures water layer, no
The disconnected bubble disturbance water surface risen, reaches the effect preventing freezing.In order to adapt to being continually changing of water level,
Ensureing the distance of nozzle and the water surface, pipe design is complicated, and device therefor is more, and system maintenance expense is bigger.
Press water fluid jet principle is by immersible pump and pipeline pressurization spray by water of a relatively high for submarine temperatures
Penetrate before gate, stir water body by current, a non-icing region can be formed before gate.The party
Method is reliable, deicing good freezing protection effect, consumes energy relatively low.But, controller uses PLC, journey mostly
Sequence writes complexity, and circuit arranges complexity, is difficult to extension, and system poor universality, automaticity is low, can
Popularization difficulty is big, and system maintenance is complicated.
Gate flap electrothermal way uses electrothermal tube, heating cable or electric hot plate, and threephase load distribution is equal, equably
Being arranged in the middle of log type gate leaf, gate flap downstream face all uses warming plate to seal, and passes through electrical heating so that
Before gate, water temperature is more than freezing point.The method economy is relatively low, consumes energy bigger.
Summary of the invention
The present invention provides a kind of novel antifreeze deicer of spillway gate, deposits in order to overcome in prior art
At least one problem.
For reaching above-mentioned purpose, the invention provides a kind of novel antifreeze deicer of spillway gate, bag
Include: controller, icing detector, immersible pump, automatic check valve, connecting water pipe, sparge pipe, buoyancy
Device and suspension cable fixing device, wherein:
Described icing detector and described immersible pump are arranged on the device waters that snorkels, and described immersible pump is arranged on
Snorkel the underwater in device waters, and is read current state information by described controller；Described connecting water pipe
It is connected between described immersible pump and described sparge pipe, described immersible pump and described sparge pipe are connected to one
Rising, the water that described sparge pipe utilizes the extraction of described immersible pump to come up stirs water body at the water surface；Described sparge pipe
Link together with described buoyant device, make described sparge pipe follow SEA LEVEL VARIATION and swim in the water surface all the time,
Described sparge pipe and described buoyant device are fixed in setting regions by described suspension cable fixing device.
Further, described immersible pump is provided with two, two described immersible pump alternations, Mei Gesuo
State and on immersible pump, be provided with automatic check valve, prevent the Water Damage flow backwards during the immersible pump work of work at present
Shut down the blade of immersible pump.
Further, described controller includes control module, manual/auto selection switch, display screen and key
Dish, CAN, air switch, startup/stop key, submersible pump protector and A.C. contactor, its
In, described manual/auto selection switch, described display screen and keyboard, described CAN, described friendship
Stream catalyst is connected with described control module respectively with described submersible pump protector, and described immersible pump is protected
Device is connected with described A.C. contactor, described air switch the most respectively.
Further, described icing detector includes that processor, Power Line Carrier Communication Module, temperature pass
Sensor, eccentric motor, 3-axis acceleration sensor and power module, wherein, described power line carrier is led to
Letter module, described temperature sensor, described eccentric motor, described 3-axis acceleration sensor and described electricity
Source module is connected with described processor respectively.
Further, described buoyant device uses pipeline keg float to be bolted on described sparge pipe,
Making described sparge pipe swim in the water surface, the length that the nozzle on described sparge pipe surfaces is at set point
In.
Further, described suspension cable fixing device includes pull-cord and clump, described pull-cord one
End is fixed on bridge floor, and the other end is fixed on clump, during use, first puts in water by clump,
Again the D type safety pin at sparge pipe two ends is opened, pull-cord is inserted in D type safety pin, locking peace
Full pin can normally use.
The invention has the beneficial effects as follows that Sensor section is installed in device interior, equipment list can be neglected
The existence of face thin ice, accuracy of measurement is greatly improved, and installs simple, easily realizes, and cost is relatively low.
Icing detector casing, turnover cable terminal and cable all use classification of waterproof IP68 and resistance to low
Temperature scale standard makes, and can use at low temperature and water float for a long time.Utilize power line carrier technology and control
Device communication processed, decreases the installation of communication line, owing to equipment moves along with the change of water level, and cable
Minimizing greatly reduce construction volume, simplify installation process, be more easy to promote realize.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the novel spillway gate antifreeze deicer schematic diagram of one embodiment of the invention；
Fig. 2 is the novel spillway gate antifreeze deicer top view of one embodiment of the invention；
Fig. 3 is the controller module schematic diagram of one embodiment of the invention；
Fig. 4 is the icing detector schematic diagram of one embodiment of the invention；
Fig. 5 is the sparge pipe profile of one embodiment of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not paying
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Fig. 1 is the novel spillway gate antifreeze deicer schematic diagram of one embodiment of the invention；Fig. 2
Novel spillway gate antifreeze deicer top view for one embodiment of the invention；In figure, 101 are
Controller, 102 for controlling cable, and 103 is suspension cable fixing device, and 104 is connecting water pipe, and 105 is floating
Power apparatus, 106 is automatic check valve, and 107 is immersible pump, and 108 is bridge pier, and 109 is sparge pipe, 110
For gate, 111 is bridge floor, and 112 is icing detector；Remove as it can be seen, novel spillway gate is antifreeze
Ice production apparatus is according to a exclusively for spillway gate properly functioning design in winter of press water fluid jet principle
Novel anti-freezing deicer.The novel antifreeze deicer of spillway gate include controller, icing detector,
Immersible pump, automatic check valve, connecting water pipe, sparge pipe, buoyant device, suspension cable fixing device.
Controller completes immersible pump and the monitoring of icing detector, manages and report to the police, and is novel spillway
The core composition of the antifreeze deicer of gate.The effect of icing detector is to detect the device Its Adjacent Waters that snorkels
Whether freeze, and send the status information currently whether frozen to controller.The effect of immersible pump is extraction
The water that submarine temperatures is higher, can use two immersible pump alternations, it is ensured that run without interruption.Automatically
The Water Damage flow backwards when check-valves is to prevent current immersible pump from working shuts down the blade of immersible pump.Connecting water pipe
Immersible pump is connected together with sparge pipe.The water that immersible pump extraction comes up is stirred water at the water surface by sparge pipe
Body.Buoyant device makes sparge pipe follow SEA LEVEL VARIATION and swims in the water surface all the time.Suspension cable fixing device makes water spray
Pipe and buoyant device always work in certain area.
Hereinafter each ingredient of the novel antifreeze deicer of spillway gate is introduced respectively.
(1) controller
Controller is the core composition of the novel antifreeze deicer of spillway gate, completes immersible pump and icing
The monitoring of detector, manage and report to the police, and with the group-net communication of remote terminal.Controller operates two
Immersible pump alternation, to ensure the non-stop run of immersible pump, and monitor immersible pump running status and
Water surface icing condition, in order to the alert when breaking down, and be in communication with each other with remote terminal.
Fig. 3 is the controller module schematic diagram of an embodiment；In figure, 201 is control module, and 202 are
Manual/auto selection switchs, and 203 is EBI, and 204 is air switch, and 205 is submersible pump protector,
206 for starting/stopping key, and 207 is A.C. contactor, and 208 is display and keyboard.As it can be seen,
Controller comprises control module, manual/auto selection switch, display screen & keyboard, CAN, air
Switch, start/stop key, submersible pump protector, A.C. contactor.The CPU of control module selects
The STM32F103 of ST Microelectronics is as processor.Manual/auto selection switch is mode of operation
Select button, by user's control, optional manual mode or automatic mode.Display screen & Keysheet module is used
In checking data and duty, keyboard coordinates display screen can revise the relevant parameter of controller.CAN
EBI is for the CAN group-net communication with other equipment.Air switch i.e. can be grasped by user
Make, device power supply (DPS) in hand off control chamber, it is also possible to electrical equipment in control chamber is protected.Open
Move/stop key work in a manual mode, by the opening of user's manual operation immersible pump, stopped status.Latent
Water pump protector for comprehensively protecting to motor for submerged pump, motor for submerged pump occur overload, phase shortage,
When stall, short circuit, overvoltage, under-voltage, electric leakage, three-phase imbalance, overheated, bearing wear, reported
Device that is alert and that protect.A.C. contactor is to control element in the middle of one, its advantage be can lead to frequently,
Broken string road, in order to control module can control startup and the stopping of immersible pump.
Owing to LCDs processing technology limits, LCDs cannot be operated in subzero 20 DEG C and less
Temperature and moist working environment.In order to ensure that controller can control with normal operating, operation winter
An electric cabinet dehumidifying anti-condensation heater it is mounted with, it is ensured that controller can be with safe overwintering in device.
(2) icing detector
Whether icing detector freezes for the detection device Its Adjacent Waters that snorkels.As shown in Figure 4, freeze spy
Survey device and comprise processor 301, Power Line Carrier Communication Module 306, temperature sensor 302, eccentric motor
305,3-axis acceleration sensor 303 and power module 304.ST Microelectronics selected by processor
STM32F103 is as processor.Power Line Carrier Communication Module utilize power line as communication line, with
Controller carries out data communication.The water surface temperature of temperature sensor measurement icing detector position.Three
Axle acceleration sensor measures the swinging strength of icing detector casing.The effect of eccentric motor is when recording
Swinging strength data relatively low time, start eccentric motor, increase swinging strength by force.Power module provides
Reliable and stable power supply.
(3) plant equipment snorkels part
Plant equipment snorkels and is partly made up of buoyant device, suspension cable fixing device.
Buoyant device uses pipeline keg float to be bolted on sparge pipe, makes sparge pipe just swim in
The water surface, the nozzle on sparge pipe just surfaces as optimum state.
Suspension cable fixing device is made up of pull-cord and clump.Pull-cord one end is fixed on bridge floor,
The other end is fixed on clump.During use, first clump is put in water, then sparge pipe two ends
D type safety pin is opened, and is inserted in by pull-cord in D type safety pin, and locking safety pin can normally make
With.When the fraction floats that snorkels is at the water surface, can move up and down, without producing along the direction of pull-cord
Raw bigger skew.The weight of clump should be heavier, makes buoyant device cannot produce under the active force of current
Bigger skew.
(4) water system all presses current-sharing
Water system all presses current-sharing to be made up of immersible pump, automatic check valve, connecting water pipe and sparge pipe.Diving
Pumping takes the water that underwater temperature is higher, is pressurizeed via connecting water pipe by water pump, from the nozzle of sparge pipe
Spray out, manufacture spring effect at the water surface.Automatic check valve coordinates immersible pump use to prevent another one
The Water Damage flow backwards during pump working shuts down the blade of immersible pump.
Fig. 5 is the sparge pipe profile of an embodiment.Sparge pipe employing segment design, Flange joint,
Arranging one group of nozzle at interval of 1 meter, often group nozzle comprises three nozzles, and position is as it is shown in figure 5, just go up
Side arranges a nozzle, and 45 °, left and right respectively arranges one.
The operation principle of the block diagram illustrating present invention and advantage below in conjunction with Fig. 1-Fig. 5:
(1) controller
Controller is the core composition of the novel antifreeze deicer of spillway gate, completes immersible pump and icing
The monitoring of detector, manage and report to the police, and with the group-net communication of remote terminal.Controller operates two
Immersible pump alternation, to ensure the non-stop run of immersible pump, and monitor immersible pump running status and
Water surface icing condition, in order to the alert when breaking down, and be in communication with each other with remote terminal.
Controller powerful, can realize data monitoring, logic control, fault alarm and networking simultaneously
Communication function；Easy to maintenance, use modularized design, every immersible pump independently controls, it is simple to safeguard；
Can remotely located running parameter, check duty；Storage function, record water pump operation time and fault
Number of times；Control function, support Non-follow control, automatically control, the start and stop of remote control water pump, control mould
Formula is changeable；Man machine interface, with LCDs and keyboard, can show and revise Monitoring Data and
Relevant device running status；Communication function, supports the communication parties such as CAN, optical fiber, power line carrier
Formula；Warning function, when the situation such as immersible pump fault, water surface icing occurs, report and alarm information immediately.
(2) icing detector
The effect of icing detector is whether detection water surface exists ice condition, coordinates deicing controller
Use, facilitate user to check current water surface situation.The measuring principle of icing detector utilizes and does not freezes
The icing detector casing that water level fluctuation causes rock and water surface temperature is to judge whether the current water surface is deposited
At icing condition.With a 3-axis acceleration sensor monitoring casing swinging strength inside icing detector,
When the intensity recorded is less than setting value, starts eccentric motor bottom icing detector, increase icing by force
The swinging strength of detector casing, if the swinging strength now detected is still less than setting value, illustrates to freeze
Detector is freezed cannot swing by ice sheet, and currently records temperature when being subzero, now assert and measures point
Water surface situation be icing condition.
The mode that detection freezes at present mainly has two kinds, and one is to measure temperature；Another kind is that use is special
Freezing sensor is measured.Utilizing temperature to judge icing condition, accuracy is relatively low, and the knot of commercial type
Ice sensor can only Measuring Object surface ice condition.Owing to icing detector swims on the water surface, by spraying
The surge that the mouth of a river is formed can be patted in equipment surface, therefore swims in the equipment surface of water surface above section,
Being likely to be formed one layer of thin ice, freezing sensor thinks that this situation is icing condition, and institute is in both ways
All cannot measure water surface icing condition accurately.And the benefit of the design is Sensor section is installed in and sets
Standby internal, the existence of equipment surface thin ice can be neglected, accuracy of measurement is greatly improved, and installs
Simply, easily realizing, cost is relatively low.
Icing detector casing, turnover cable terminal and cable all use classification of waterproof IP68 and resistance to low
Temperature scale standard makes, and can use at low temperature and water float for a long time.Utilize power line carrier technology and control
Device communication processed, decreases the installation of communication line, owing to equipment moves along with the change of water level, and cable
Minimizing greatly reduce construction volume, simplify installation process, be more easy to promote realize.
(3) plant equipment snorkels part
Plant equipment snorkels and is partly made up of buoyant device, suspension cable fixing device.
Buoyant device uses pipeline keg float to be bolted on sparge pipe, utilizes the buoyancy of pipeline keg float,
Sparge pipe is made to swim on the water surface.The advantage of pipeline keg float is that type kind is many can be selected according to practical situation
Select, it is ensured that sparge pipe is the most floating；The appearance color of salmon pink can be as warning mark, it is simple to observe,
Easy-to-look-up；Simple installation, shortens the construction period；Reduce maintenance cost.
Suspension cable fixing device is made up of pull-cord and clump.Bridge floor selects correct position utilize to lead
Pull-cord hangs clump, utilizes the direction principle the most straight down of gravity, and pull-cord is the most vertical
In the water surface, being equivalent to a stable vertical track, the device that snorkels is followed SEA LEVEL VARIATION and is moved up and down, and begins
It is maintained at same water surface site eventually.The benefit of this design is simple installation, it is achieved easily, cost of manufacture
Low.
(4) water system all presses current-sharing
Water system all presses current-sharing to be made up of immersible pump, automatic check valve, connecting water pipe and sparge pipe.
Immersible pump uses oil immersion type electric underwater pump, and its feature is that motor internal is full of machinery oil, makes machinery
The working condition sealed is improved, and extraneous water is less susceptible to enter motor interior.Fluid is by motor interior
Heat conduct out rapidly, cooling effect is preferable, makes the temperature rise of motor significantly decline, thus increases
Add the overload capacity of submersible pump.It addition, the bearing of oil immersion type electric underwater pump is immersed in fluid and works,
Lubrication is guaranteed with cooling, so bearing life is longer than the submersible pump of other pattern, efficiency is more
High.
Automatic check valve uses butterfly swing check valve, and its effect is only to allow medium to flow to a direction, resistance
Only opposite direction flowing.Usual this valve is work automatically, and the fluid pressure a direction flowing is made
Under with, flap is opened；During the flowing of fluid opposite direction, by fluid pressure and flap from coincidence flap effect
In valve seat, thus cut off flowing.Its advantage is anti-backflow, when fault of water pump or another pump working
Water in connecting water pipe will produce backflow.This backflow reverse drive rotor of meeting, simultaneously at diving electricity
Keeping small thrust on machine thrust bearing, until rotor stops operating, this can cause motor thrust bearing
Too much abrasion, reduces motor service life；Preventing the generation of water hammer, when water pump stops, the gravity of water column is made
With forming water attack.This water attack can be by conveying tube damage impeller, to motor and the thrust bearing of water pump
Cause damage.
Sparge pipe uses sectional design, uses Flange joint.The benefit of this design is to be simple to manufacture,
Simple installation, reduces processing and cost of transportation, and the angle that nozzle is arranged can expand spray area, increases
Territory, ice free.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, in accompanying drawing
Module or flow process not necessarily implement necessary to the present invention.
One of ordinary skill in the art will appreciate that: the module in device in embodiment can be according to enforcement
Example describes in the device being distributed in embodiment, it is also possible to carries out respective change and is disposed other than the present embodiment
In one or more devices.The module of above-described embodiment can merge into a module, it is also possible to further
Split into multiple submodule.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in previous embodiment still can be modified by it, or
Wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, do not make relevant art
The essence of scheme departs from the spirit and scope of embodiment of the present invention technical scheme.
Claims (6)
1. the novel antifreeze deicer of spillway gate, it is characterised in that including: controller, knot
Ice sounder, immersible pump, automatic check valve, connecting water pipe, sparge pipe, buoyant device and suspension cable are fixed
Device, wherein:
Described icing detector and described immersible pump are arranged on the device waters that snorkels, and described immersible pump is arranged on
Snorkel the underwater in device waters, and is read current state information by described controller；Described connecting water pipe
It is connected between described immersible pump and described sparge pipe, described immersible pump and described sparge pipe are connected to one
Rising, the water that described sparge pipe utilizes the extraction of described immersible pump to come up stirs water body at the water surface；Described sparge pipe
Link together with described buoyant device, make described sparge pipe follow SEA LEVEL VARIATION and swim in the water surface all the time,
Described sparge pipe and described buoyant device are fixed in setting regions by described suspension cable fixing device.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that
Described immersible pump is provided with two, two described immersible pump alternations, and each described immersible pump is arranged
There is automatic check valve, prevent the Water Damage flow backwards during the immersible pump work of work at present from shutting down the leaf of immersible pump
Sheet.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that
Described controller include control module, manual/auto selection switch, display screen and keyboard, CAN,
Air switch, startup/stop key, submersible pump protector and A.C. contactor, wherein, described manually/
Automatic selector switch, described display screen and keyboard, described CAN, described A.C. contactor and described
Submersible pump protector is connected with described control module respectively, and described submersible pump protector is the most respectively with described
A.C. contactor, described air switch are connected.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that
Described icing detector include processor, Power Line Carrier Communication Module, temperature sensor, eccentric motor,
3-axis acceleration sensor and power module, wherein, described Power Line Carrier Communication Module, described temperature
Sensor, described eccentric motor, described 3-axis acceleration sensor and described power module are respectively with described
Processor is connected.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that
Described buoyant device uses pipeline keg float to be bolted on described sparge pipe, makes described sparge pipe float
Keeping afloat, the length that the nozzle on described sparge pipe surfaces is in set point.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that
Described suspension cable fixing device includes that pull-cord and clump, described pull-cord one end are fixed on bridge floor,
The other end is fixed on clump, during use, is first put in water by clump, then sparge pipe two ends
D type safety pin is opened, and is inserted in by pull-cord in D type safety pin, and locked secure pin can normally use.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464691.XA CN105951684B (en) | 2016-06-23 | 2016-06-23 | A kind of antifreeze deicer of spillway gate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610464691.XA CN105951684B (en) | 2016-06-23 | 2016-06-23 | A kind of antifreeze deicer of spillway gate |
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| CN105951684B CN105951684B (en) | 2018-03-13 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034855A (en) * | 2017-06-07 | 2017-08-11 | 郭策 | A kind of anti-icing hydraulic engineering gate |
| CN107386214A (en) * | 2017-07-29 | 2017-11-24 | 安徽诺鑫自动化设备有限公司 | A kind of water conservancy and hydropower equipment defroster |
| CN110086138A (en) * | 2019-04-24 | 2019-08-02 | 中国水利水电科学研究院 | High water head bulkhgead gate vibration monitor system, cable protector and method for arranging |
| CN110106824A (en) * | 2019-04-25 | 2019-08-09 | 内蒙古自治区水利水电勘测设计院 | A kind of automatic inflating floating body gas shield dam anti-freezing for gate device |
| CN110158533A (en) * | 2019-04-25 | 2019-08-23 | 内蒙古自治区水利水电勘测设计院 | A kind of automatic inflating floating body gas shield dam anti-freezing for gate method |
| CN112325926A (en) * | 2020-09-30 | 2021-02-05 | 中船第九设计研究院工程有限公司 | Inverted T-shaped dock gate real-time operation monitoring system |
| CN113789752A (en) * | 2021-10-13 | 2021-12-14 | 中国电建集团成都勘测设计研究院有限公司 | Anti-freezing and deicing device for hydraulic engineering |
| CN113864570A (en) * | 2021-09-14 | 2021-12-31 | 刘志武 | Reciprocating type anti-freezing connector suitable for natural gas supply pipeline |
| US20220349140A1 (en) * | 2019-10-01 | 2022-11-03 | Hydroplus | Fusegate with ice-breaking system |
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| CN107034855B (en) * | 2017-06-07 | 2018-12-04 | 浙江中孚流体机械有限公司 | A kind of anti-icing hydraulic engineering gate |
| CN107386214A (en) * | 2017-07-29 | 2017-11-24 | 安徽诺鑫自动化设备有限公司 | A kind of water conservancy and hydropower equipment defroster |
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| CN110106824B (en) * | 2019-04-25 | 2020-11-10 | 内蒙古自治区水利水电勘测设计院 | Automatic fill anti-freezing device of air supporting body gas shield dam gate |
| CN110158533A (en) * | 2019-04-25 | 2019-08-23 | 内蒙古自治区水利水电勘测设计院 | A kind of automatic inflating floating body gas shield dam anti-freezing for gate method |
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| US20220349140A1 (en) * | 2019-10-01 | 2022-11-03 | Hydroplus | Fusegate with ice-breaking system |
| US11708675B2 (en) * | 2019-10-01 | 2023-07-25 | Hydroplus | Fusegate with ice-breaking system |
| CN112325926A (en) * | 2020-09-30 | 2021-02-05 | 中船第九设计研究院工程有限公司 | Inverted T-shaped dock gate real-time operation monitoring system |
| CN113864570A (en) * | 2021-09-14 | 2021-12-31 | 刘志武 | Reciprocating type anti-freezing connector suitable for natural gas supply pipeline |
| CN113789752A (en) * | 2021-10-13 | 2021-12-14 | 中国电建集团成都勘测设计研究院有限公司 | Anti-freezing and deicing device for hydraulic engineering |
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