CN208567565U - Power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector - Google Patents
Power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector Download PDFInfo
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- CN208567565U CN208567565U CN201820987201.9U CN201820987201U CN208567565U CN 208567565 U CN208567565 U CN 208567565U CN 201820987201 U CN201820987201 U CN 201820987201U CN 208567565 U CN208567565 U CN 208567565U
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- wind deflector
- air
- shutter wind
- measuring temperature
- shutter
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Abstract
The utility model relates to the power station direct air-cooling unit automatic anti-freezing devices based on shutter wind deflector.The device includes measuring temperature wire cable, temperature point, data monitoring processing unit, automatic executing agency and shutter wind deflector.Shutter wind deflector is installed on air cooling blower fan air intake vent, several measuring temperature wire cables are arranged in the outlet air surface side of tuberculated pipe beam, equidistant built-in three temperature points on every measuring temperature wire cable, and every measuring temperature wire cable is connected with an input channel of data monitoring processing unit.When any temperature point displays temperature is too low, data monitoring processing unit judges specific location immediately, and the shutter wind deflector of corresponding air-cooled unit entrance is closed by automatic executing agency.Measuring temperature wire cable broad covered area, thermometric is accurate, can find lockout risk in time；Data monitoring processing unit can send out code to the automatic executing agency for the air-cooled unit that may freeze in first time, and automatic executing agency closes rapidly the entrance shutter wind deflector of corresponding air-cooled unit, cuts off cold air；The device has many advantages, such as that of simple structure and low cost, journey time is short, choke significant effect, can effectively solve the problem that Air-Cooling Island tuberculated pipe Shu Dongji freezes, and winter back pressure 1KPa can be reduced or so, improve unit heat economy 1%~2%.
Description
Technical field
The present invention relates to air cooling island of direct air cooling unit winter automatic anti-freezing devices, the thermal power generation suitable for severe cold area
The antifreeze field of factory's Air-Cooling Island can also be applied in other related or similar fields.
Background technique
China three northern areas of China richness coal water shortage, to solve the problems, such as shortage of water resources, numerous large capacity Direct Air-cooled Units are met the tendency of
And give birth to, currently, China's Direct Air-cooled Unit installed capacity is more than 200,000,000 kilowatts, maximum single-machine capacity is the Lingwu Hua electricity power plant
1000MW ultra supercritical Direct Air-cooled Unit.Compared with conventional wet type cooling unit, Direct Air-cooled Unit can water-saving 70% or more, significantly
Ground alleviates the problem of China's shortage of water resources.But Direct Air-cooled Unit is affected by environment greatly, and emerged in operation is many to ask
Topic, wherein the Air-Cooling Island that one of main problem is exactly northern frore area freezes problem, and with power supply surplus, large capacity
Direct Air-cooled Unit inevitably participates in peak regulation, and frozen problem when underload is more prominent, has seriously threatened unit
Safe and stable operation.
To avoid Air-Cooling Island from freezing, it has to operation back pressure is significantly improved, it is seriously sacrificial there are enough antifreeze nargin
The domestic animal heat-economy of unit, the corresponding means taken have and reduce rotation speed of fan or stoppage in transit part fan, the reversion of countercurrent zone blower
Improvements, steam off butterfly valve increase other column Air-Cooling Island thermic loads etc., however these methods reduce the heat-economy of unit.Winter
In Ji Yunhang, even if taking the above measure sometimes, Air-Cooling Island still has lockout risk, for example, severe cold weather, even if air cooling blower fan is complete
Portion stops transport, and by the heat transfer free convection of cold air and air-cooled unit tuberculated pipe beam, Air-Cooling Island fin heat exchange pipe beam can also
It can freeze, therefore, isolation cold air is most important.In terms of completely cutting off cold air, the method for use has: in tuberculated pipe beam table
Face covering and heat insulating layer, but this method is cumbersome, is not easy to implement repeatedly；Rolling screen door or folded net are installed in air cooling blower fan air intake vent, it should
Method can effectively completely cut off cold air, but rolling screen door and folded net journey time are long；In tuberculated pipe beam air outlet and surrounding
It arranges wind deflector, equally can effectively completely cut off cold air, but investment is more, it is great in constructing amount, and without effective accurate temperature sensing means；As can
Accurately temp measuring system connected with simple and fast every wind means, and realizes lockout risk automatic identification, wind deflector
Automatic open-close operation, will more effectively play the antifreezing effect of Air-Cooling Island, and can further decrease unit back pressuce operation, improve
The thermal efficiency of unit.
Summary of the invention
Technical problems to be solved.
It is an object of the invention to overcome existing technological deficiency, in time, quickly and accurately it can find that Air-Cooling Island freezes
Risk and its corresponding position, promptly close the shutter wind deflector of corresponding air-cooled unit automatically, completely cut off cold air, avoid sky
Cool island freezes；The winter operation back pressure for reducing air cooling unit as far as possible simultaneously, improves the thermal efficiency of unit.
Specific technical solution.
To achieve the above object, the technical scheme is that the tuberculated pipe of each of described air-cooled unit two sides
3 measuring temperature wire cables are respectively arranged in beam outlet air surface side；The measuring temperature wire cable is arranged in 1/4, the 1/2 of tuberculated pipe beam vertical height
At 3/4, every measuring temperature wire cable is horizontally disposed, and equidistant built-in 3 temperature points, basic gamut cover entire air-cooled list
Member；Every measuring temperature wire cable entry data channel corresponding to the data monitoring processing unit of respective column Air-Cooling Island is connected,
The temperature measurement data of each temperature point acquisition is passed into data monitoring processing unit；The data monitoring processing unit
The source of each data is precisely judged by data arrival time and different data channel；When having detected compared with low temperature
Degree, it may occur however that when lockout risk, the automatic executing agency of Xiang Suoshu sends out code；Driving motor by with first hundred
The axis of leaf window wind deflector baffle is connected, and drives its rotary closing, and other shutter wind deflector baffles are by crankshaft-link rod with the
A piece of shutter wind deflector baffle synchronous rotary is closed, and cold air is cut off, and then guarantees that tuberculated pipe beam does not freeze.
Beneficial effect.
It can be seen from the above technical proposal that the invention has the following advantages: measuring temperature wire cable broad covered area, Air-Cooling Island
Thermometric almost without blind spot；Data monitoring processing unit can promptly and accurately find which air-cooled unit there are lockout risk, and
One time sent out code to corresponding automatic executing agency；Air cooling blower fan air intake vent shutter air damper structure is simple, work
Journey construction volume is small, at low cost, journey time is short, closing is rapid, isolation significant effect；And driving motor power is small, power consumption is low,
Transmission mechanism structure is simple, is able to achieve 360 ° of rotations of shutter wind deflector；So winter to be effectively reduced directly empty for the device
The back pressure of cold group, and greatly reduce lockout risk.
Detailed description of the invention
Scheme the structural schematic diagram first is that of the invention.
Scheme arrangement and the connection figure with data monitoring processing unit second is that measuring temperature wire cable.
Figure third is that temperature point along measuring temperature wire cable layout drawing.
Scheme the structural schematic diagram fourth is that shutter wind deflector.
Scheme the partial schematic diagram fifth is that crankshaft-link rod.
Scheme the partial schematic diagram sixth is that driving motor.
1 steam-distributing pipe road, 2 tuberculated pipe beams, 3 condensed water collection conduits, 4 air cooling blower fans, 5 pods, 6 blinds
Window wind deflector, 7 measuring temperature wire cables, 8 driving motors, 9 transmission mechanisms, 10 data monitoring processing units, 11 data input channels, 12 electricity
Gas connecting line, 13 shutter wind deflector baffles, 14 crankshafts, 15 connecting rods, 16 temperature points.
Specific embodiment
Clear to be more clear technical solution of the present invention, the present invention is described further with reference to the accompanying drawing.
The steam discharge of air-cooled steam turbine enters (2) tuberculated pipe beam of corresponding air-cooled unit through (1) steam-distributing pipe road
In, the air that steam is introduced by (4) air cooling blower fan through (5) pod in (2) tuberculated pipe beam is cooling, and heat release condenses into water
(3) condensed water collection conduits are flowed into, and then are returned in the hot well of steam exhaust device, working medium circulation is completed.When environment temperature is lower than 0
DEG C, the condensed water in tuberculated pipe beam may freeze, obstruction steam circulation, and then aggravate freezing for steam, cause wing
The fully charge of piece heat dissipation tube bank, expands, distorts, deforms, or even damage, when environment temperature is extremely low, even if air-cooled wind
Machine all stalls, by the heat transfer free convection of cold air and tuberculated pipe beam, it is also possible to coagulate the lockout risk of water.
The outlet air surface of (2) tuberculated pipe beam of each air-cooled unit two sides respectively arranges three (7) measuring temperature wire cables, and (7) are surveyed
Warm cable is arranged along the vertical level of tuberculated pipe beam, is located at 1/4,1/2 and 3/4 vertical height, and
Every (7) measuring temperature wire cable is equidistant to be built-in with 3 (16) temperature points.Every (7) measuring temperature wire cable passes through (12) electrical connection
Line is connect with (11) data input channel of (10) data monitoring processing unit, the number that each (16) temperature point is acquired
According to being transmitted to (10) data monitoring processing unit, time and (11) data that (10) data monitoring processing unit is reached by data
Input channel accurately judges that the position of data.
When low temperature occurs in any (16) temperature point, it may occur however that when lockout risk, (10) data monitoring processing unit is fast
Speed accurately judges the location of (2) the tuberculated pipe beam that may freeze, and after analyzing and determining, executes to automatic
Mechanism sends out code, and automatic executing agency makes first (13) shutter wind deflector baffle rotation by (8) driving motor
Turn, first (13) shutter wind deflector baffle passes through (9) transmission mechanism of the other side, is driven by (14) crankshaft and (15) connecting rod
Other (13) shutter wind deflector baffles rotate together, quickly complete the shutoff operation of shutter wind deflector, completely cut off cold air,
Avoid the lockout risk of Air-Cooling Island (2) tuberculated pipe beam.Meanwhile guaranteeing the uncongealable feelings of Air-Cooling Island tuberculated pipe beam
Under condition, which can reduce unit back pressuce as far as possible, reduce antifreeze nargin, improve the heat-economy of unit.
Claims (6)
1. a kind of power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector, comprising: measuring temperature wire cable (7), temperature
Spend measuring point (16), data monitoring processing unit (10), automatic execution structure and shutter wind deflector (6), which is characterized in that
Three measuring temperature wire cables (7), every measuring temperature wire cable are respectively arranged in the outlet air surface side of each air-cooled unit two sides tuberculated pipe beam (2)
(7) equidistant built-in three temperature points (16)；Every measuring temperature wire cable (7) with a number of data monitoring processing unit (10)
It is connected according to input channel (11)；The shutter wind deflector (6) is located at air cooling blower fan (4) air intake vent side, the folding of shutter
It is driven by automatic executing agency.
2. a kind of power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector as described in claim 1,
It is characterized in that, three measuring temperature wire cables (7) on every side tuberculated pipe beam (2) are along tuberculated pipe beam (2) vertical height equalization
Arrangement, they are respectively arranged at 1/4,1/2 and the 3/4 of tuberculated pipe beam (2) vertical height.
3. a kind of power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector as described in claim 1,
It is characterized in that, the automatic executing agency includes driving motor (8) and transmission mechanism (9)；The transmission mechanism (9) is by song
Axis (14) and connecting rod (15) composition.
4. a kind of power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector as described in claim 1,
It is characterized in that, each air-cooled heat-sink unit of column corresponds to a data monitoring processing unit (10), data monitoring processing unit
(10) there are several data input channels (11), one with the air-cooled heat-sink unit of the column of each data input channel (11)
Measuring temperature wire cable (7) is corresponding, and is connected by electrical cable (12).
5. a kind of power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector as claimed in claim 2,
It is characterized in that, every measuring temperature wire cable (7) diameter is about 7mm, and using waterproofing design, and every measuring temperature wire cable (7) is in the horizontal direction
Arrangement, equidistant built-in three temperature points (16).
6. a kind of power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector as claimed in claim 3,
Be characterized in that, the material of the shutter wind deflector (6) is aluminium alloy, the axis of every shutter wind deflector baffle (13) with
Corresponding crankshaft (14) is concentric and is fixedly connected, and all crankshaft (14) crank sections extend outwardly, and extended segment turns with connecting rod (15)
Dynamic connection；Driving motor (8) is located at the other side of shutter wind deflector (6), with first shutter wind deflector baffle (13)
Middle axis connection receives the switch order of data monitoring processing unit (10), drives first piece of shutter wind deflector baffle (13) rotation
Turn, by crankshaft (14) connecting rod (15), realizes 360 ° of rotations of all shutter wind deflector baffles (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987201.9U CN208567565U (en) | 2018-06-26 | 2018-06-26 | Power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820987201.9U CN208567565U (en) | 2018-06-26 | 2018-06-26 | Power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector |
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| Publication Number | Publication Date |
|---|---|
| CN208567565U true CN208567565U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820987201.9U Expired - Fee Related CN208567565U (en) | 2018-06-26 | 2018-06-26 | Power station direct air-cooling unit automatic anti-freezing device based on shutter wind deflector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692580A (en) * | 2018-06-26 | 2018-10-23 | 沈阳工程学院 | Power station direct air-cooling unit automatic anti-freezing device based on shutter wind shield |
-
2018
- 2018-06-26 CN CN201820987201.9U patent/CN208567565U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692580A (en) * | 2018-06-26 | 2018-10-23 | 沈阳工程学院 | Power station direct air-cooling unit automatic anti-freezing device based on shutter wind shield |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20190626 |