CN206708400U - Antifreeze isolating valve, antifreeze isolating valve equipment, air cooling tubes condenser and Air-Cooling Island - Google Patents
Antifreeze isolating valve, antifreeze isolating valve equipment, air cooling tubes condenser and Air-Cooling Island Download PDFInfo
- Publication number
- CN206708400U CN206708400U CN201720547516.7U CN201720547516U CN206708400U CN 206708400 U CN206708400 U CN 206708400U CN 201720547516 U CN201720547516 U CN 201720547516U CN 206708400 U CN206708400 U CN 206708400U
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- Prior art keywords
- antifreeze
- isolating valve
- toroidal membrane
- air
- groove
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- 230000002528 anti-freeze Effects 0.000 title claims abstract description 84
- 238000001816 cooling Methods 0.000 title claims abstract description 77
- 239000012528 membrane Substances 0.000 claims abstract description 70
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Air cooling technique field is the utility model is related to, discloses a kind of antifreeze isolating valve, antifreeze isolating valve equipment, air cooling tubes condenser and Air-Cooling Island, wherein the antifreeze isolating valve (1) includes：Valve body (10), the both ends for being internally formed chamber and the valve body of the valve body are formed with the opening communicated with the chamber；Toroidal membrane (11), the toroidal membrane are arranged in the chamber, and the toroidal membrane can be opened and either closed to control medium by the chamber or be trapped；And groove (12), the groove are opened in the edge of the toroidal membrane and extended towards the center of the toroidal membrane.The antifreeze isolating valve causes medium to be not easy to leak, and improves the sealing of the antifreeze isolating valve.By antifreeze isolating valve equipment application in the air cooling tubes condenser, and the air cooling tubes condenser is applied in the Air-Cooling Island, it is possible to increase security performance during air cooling tubes condenser and the Air-Cooling Island operation is high.
Description
Technical field
Air cooling technique field is the utility model is related to, more particularly to a kind of antifreeze isolating valve, antifreeze isolating valve equipment, sky
Cold condenser and Air-Cooling Island.
Background technology
In air cooling island of power plant, air-cooled technology is used to cool for high-temperature steam.Air-cooled technology is straight with air
The steam discharge of cooling steam turbine is connect, heat exchange is carried out between air and steam discharge.The condenser of Direct Air-Cooled is referred to as air cooling tubes condenser, by
Tube bank composition with fin.Required cooling air during air cooling, is typically directly supplied by force ventilation mode.Steam turbine is arranged
Vapour is sent to by thick gland steam exhauster in the air cooling tubes condenser of open air, and axle stream cooling blower makes air flow through the outer of air cooling tubes condenser
Surface, exhaust steam is set to be condensed into water.
Because winter temperature is relatively low, easily frozen into the steam in air cooling tubes condenser, so as to cause the deformation of pipe, freeze
Split, this serious threat the safe operation of air cooling island of power plant.At present, the antifreezing measures of air cooling island of power plant are mainly used and coagulated in air cooling
Antifreeze row is set in vapour device, then sets butterfly valve to isolate the steam gone out by turbine exhaust at the air intake of antifreeze row, prevents
Only it enters antifreeze row.
However, because butterfly valve size is big, pretightning force is limited, it will usually causes valve to be not closed completely close, so that steam
Interior leakage is serious.The steam for leaking into antifreeze row constantly freezes, and can cause deformation, the bursting by freezing of pipe, and antifreezing effect is poor.
Utility model content
The purpose of this utility model is to overcome existing for prior art after isolating valve installation in the duct medium from valve
The problem of side of door leaks to the opposite side of valve, there is provided a kind of antifreeze isolating valve, the antifreeze isolating valve cause medium not
Easily leakage, improve the sealing of the antifreeze isolating valve.
To achieve these goals, on the one hand the utility model provides a kind of antifreeze isolating valve, the antifreeze isolating valve bag
Include：Valve body, the both ends for being internally formed chamber and the valve body of the valve body are formed with the opening communicated with the chamber；
Toroidal membrane, the toroidal membrane are arranged in the chamber, and the toroidal membrane can be opened or closed to control
Medium is by the chamber or is trapped；And groove, the groove are opened in the edge of the toroidal membrane and direction
The center extension of the toroidal membrane.
Preferably, the groove is set around the periphery of the toroidal membrane.
Preferably, the thickness of the toroidal membrane is 20mm-100mm.
Preferably, the communicating pipe that both ends communicate with the groove and vacuum extractor respectively is inserted with the valve body.
Preferably, the communicating pipe is multiple that multiple communicating pipes are uniformly arranged on the groove.
Preferably, control valve is provided with the communicating pipe, and/or the outside of the communicating pipe sets heat-insulation layer.
Preferably, the toroidal membrane is connected with worm-and-wheel gear, and the worm-and-wheel gear drives the annular
Dividing plate rotates around the axis of pitch of the toroidal membrane.
In the above-mentioned technical solutions, due to opening up the center towards the toroidal membrane in the edge of the toroidal membrane
The groove of extension, therefore when the toroidal membrane is closed positioned at the medium such as gas of the toroidal membrane side
Body can enter in the groove and so that medium is not easy to leak into the opposite side of the toroidal membrane first.Such as will be above-mentioned anti-
When freezing isolating valve applied in air cooling tubes condenser, the antifreeze isolating valve is arranged on entrance (the antifreeze isolation of antifreeze row
The both ends of valve communicate with the air cooling tubes condenser and steam turbine respectively), when needing to take antifreezing measures, close it is described annular every
Plate, if there is the situation of leakage gas (gas is produced by steam turbine), the gas of leakage can be initially entered in the groove,
So gas just can not be in the air cooling tubes condenser easily into the opposite side of the toroidal membrane, therefore avoid leakage
Gas enter in the air cooling tubes condenser freeze with cause tube bank deformation, rupture, substantially increase the air cooling condensing
Security performance when device is run.It is possible thereby to learn, the setting of the groove improves the sealing property of pipeline, while also causes
Whole equipment can carry out upkeep operation under non-stop-machine state.
The utility model second aspect provides a kind of antifreeze isolating valve equipment, and the antifreeze isolating valve equipment includes this practicality
New provided antifreeze isolating valve, vacuum extractor and steam trap connection, the vacuum extractor and steam trap connection difference
It is communicated in the groove.By set in the antifreeze isolating valve equipment vacuum extractor that is communicated with the groove and
The steam trap connection, so as to remove the medium such as gas into the groove in time, improve the antifreeze isolating valve
The sealing of equipment, even in the case of there is leaking medium such as gas, medium can be also avoided from the toroidal membrane
Side leak to opposite side.
Preferably, the toroidal membrane is vertically arranged in the chamber, described hydrophobic to be arranged on the toroidal membrane
Bottom.
The utility model third aspect provides a kind of air cooling tubes condenser, and the air cooling tubes condenser includes multiple be arranged side by side
The antifreeze isolating valve equipment of the entrance of at least one pipe is managed and is arranged at, the antifreeze isolating valve equipment is this practicality
New provided antifreeze isolating valve equipment.By antifreeze isolating valve equipment application provided by the utility model in air cooling tubes condenser
When, the antifreeze isolating valve in the antifreeze isolating valve equipment is arranged on the entrance of the pipe, when needing to take antifreeze arrange
Shi Shi, the toroidal membrane is closed, then the gas leaked can be initially entered in the groove, and such gas can not enter easily
Enter in the air cooling tubes condenser, therefore the gas for avoiding leakage is entered in the air cooling tubes condenser and frozen to cause tube bank
Deformation, rupture, substantially increase the security performance during air cooling tubes condenser operation.Further, since institute is provided with pipeline
Antifreeze isolating valve equipment is stated, therefore upkeep operation can be also carried out under non-stop-machine state.
The utility model fourth aspect provides a kind of Air-Cooling Island, and the Air-Cooling Island includes air cooling provided by the utility model
Condenser and the steam turbine communicated with the air cooling tubes condenser.To be carried by there is provided the utility model in the Air-Cooling Island
The air cooling tubes condenser of confession, so that the gas of leakage is not easily accessible in the air cooling tubes condenser, gas is avoided in the sky
Being frozen in cold condenser causes the deformation of tube bank, rupture, improves the security performance of the operation of the Air-Cooling Island.
Brief description of the drawings
Fig. 1 is the side view structure signal that the antifreeze isolating valve of the utility model preferred embodiment is under installment state
Figure；
Fig. 2 is the present invention looks up structural representation of the antifreeze isolating valve being under installment state shown in Fig. 1；
Fig. 3 is the cross-sectional view of the antifreeze isolating valve being under installment state shown in Fig. 1；
Fig. 4 is the structural representation of the air cooling tubes condenser of the utility model preferred embodiment.
Description of reference numerals
The antifreeze isolating valves of 1-；10- valve bodies；11- toroidal membranes；12- grooves；13- communicating pipes；14- control valves；15- worm gears
Worm mechanism；2- is managed；3- steam turbines.
Embodiment
In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower, left and right " used is usual
Refer to understand with reference to the orientation shown in the orientation and practical application shown in accompanying drawing.
The utility model provides a kind of antifreeze isolating valve, and the antifreeze isolating valve 1 includes：Valve body 10, valve body 10 it is interior
Both ends of the portion formed with chamber and valve body 10 are formed with the opening communicated with the chamber；Toroidal membrane 11, toroidal membrane 11
It is arranged in the chamber, and toroidal membrane 11 can be opened and either closed to control medium by the chamber or be cut
Stream；And groove 12, groove 12 are opened in the edge of toroidal membrane 11 and extended towards the center of toroidal membrane 11.Due to
The edge of toroidal membrane 11 opens up the groove 12 of the center extension towards toroidal membrane 11, and groove 12 is equivalent in toroidal membrane
One small " Air-Cooling Island " is formd in 11, therefore when toroidal membrane 11 is closed positioned at the side of toroidal membrane 11
Medium such as gas can enter in groove 12 and so that medium is not easy to leak into the opposite side of toroidal membrane 11 first.Such as will be upper
When stating antifreeze isolating valve 1 applied in air cooling tubes condenser, antifreeze isolating valve 1 be arranged on antifreeze row entrance (it is described it is antifreeze every
Both ends from valve communicate with the air cooling tubes condenser and steam turbine respectively), when needing to take antifreezing measures, close toroidal membrane
11, if there is the situation of leakage gas (gas is produced by steam turbine), the gas of leakage can be initially entered in groove 12, this
Sample gas just can not be in the air cooling tubes condenser easily into the opposite side of toroidal membrane 11, therefore avoid the vapour of leakage
Body, which is entered in the air cooling tubes condenser, to freeze to cause the deformation of tube bank, rupture, substantially increases the air cooling tubes condenser fortune
Security performance during row.It is possible thereby to learn, even there is the situation of the poor sealing of toroidal membrane 11, it is also possible that letting out
The gas of leakage enters in groove 12 sealing property for without entering the opposite side of toroidal membrane 11 easily, improving pipeline,
Whole equipment is also enabled to carry out upkeep operation under non-stop-machine state simultaneously.Certainly, antifreeze isolating valve 1 can be with
Applied in steam turbine and peak cooling device.Wherein the shape of toroidal membrane 11 can be configured according to the shape of valve body 10,
It such as toroidal membrane 11 can be rounded, can also be square, when that also can be in other shapes, specific limitation be not exposed to, in addition, ring
Shape dividing plate 11 can be vertically arranged in the cavity.
For the ease of receiving the medium of leakage, the periphery that groove 12 can surround toroidal membrane 11 sets, so, while also can
Enough to improve the ability for accommodating medium such as gas, its further groove 12 is preferably annular in shape.
In addition, the thickness of toroidal membrane 11 is preferably 20mm-100mm, further, the thickness of toroidal membrane 11 is preferably
30mm-80mm, further, the thickness of toroidal membrane 11 is preferably 40mm-60mm.The thickness of toroidal membrane 11 is arranged on
In above range, the setting of groove 12 is not only convenient for, and can ensure that groove 12 has the ability accommodated compared with multimedium such as gas.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, can be plugged on valve body 10 both ends respectively with groove 12 and vacuum extractor phase
Logical communicating pipe 13, the gas entered in groove 12 so can be removed in time by the swabbing action of the vacuum extractor
Body.Such as when antifreeze isolating valve 1 is arranged in the antifreeze row of the air cooling tubes condenser, remove leak into groove 12 in time
Gas so that the gas of leakage is entirely isolated outside the air cooling tubes condenser, further increases antifreezing effect, it is also necessary to
Illustrate, under the swabbing action of the vacuum extractor, additionally it is possible to remove the condensate being located in groove 12.It may be noted that
, the structure type of the vacuum extractor can be a variety of, as long as the medium such as gas in groove 12, example can be removed
The vacuum extractor as described in can be selected vavuum pump conduct.
In order to further improve the ability of removal medium, multiple communicating pipes 13, further, multiple communicating pipes 13 can be set
It can be uniformly arranged on groove 12.It is understood that when antifreeze isolating valve 1 is applied in air cooling tubes condenser, positioned at annular
The communicating pipe 13 that the bottom of dividing plate 11 communicates with groove 12 can remove the condensate in groove 12 as drain pipe.
Further, control valve 14 can be set on communicating pipe 13 with control and suck operation, such as when by antifreeze isolating valve 1 to pacify
When in the antifreeze row of the air cooling tubes condenser, in the case of needs are antifreeze, also needed to out while closing toroidal membrane 11
Control valve 14 is opened, in the case of antifreeze, closing control valve 14.In addition, it can also be protected in outside set of communicating pipe 13
Warm layer produces condensate so as to influence pumping operation with the gas for avoiding extracting out.
Mode as the opening and closing of toroidal membrane 11 can be a variety of, can be selected according to actual conditions.For example,
Optional in the following manner realizes the opening and closing of toroidal membrane 11：With reference to shown in Fig. 2 and Fig. 3, worm and gear machine can be set
Structure 15, wherein, worm-and-wheel gear 15 is connected with toroidal membrane 11, and worm-and-wheel gear 15 drives toroidal membrane 11 around annular
The axis of pitch rotation of dividing plate 11, when worm-and-wheel gear 15 drives the rotation of toroidal membrane 11 extremely to be formed an angle with vertical plane
When, medium is may be such that by the chamber, and when worm-and-wheel gear 15 drives the rotation of toroidal membrane 11 extremely equal with vertical plane
During row, it may be such that medium is trapped.
The utility model additionally provides a kind of antifreeze isolating valve equipment, and the antifreeze isolating valve equipment includes the utility model
Described antifreeze isolating valve 1, vacuum extractor and steam trap connection, the vacuum extractor and the steam trap connection be respectively communicated with
Groove 12.By setting the vacuum extractor communicated with groove 12 and the hydrophobic dress in the antifreeze isolating valve equipment
Put, so as to remove the sealing for into such as gas of the medium in groove 12, improving the antifreeze isolating valve equipment in time,
Even in the case of there is leaking medium such as gas, medium can be also avoided to be leaked into from the side of toroidal membrane 11 another
Side.It is understood that due to there is provided the vacuum extractor communicated with groove 12 and the steam trap connection, therefore also can
Enough reduce the preparation required precision to antifreeze isolating valve so that antifreeze isolating valve is easily prepared.Wherein, can select according to the actual requirements
Vacuum extractor and steam trap connection are selected, their form is not exposed to specific limitation.Such as optional vavuum pump is true as taking out
Empty device, likewise, vavuum pump also can be selected as steam trap connection.
Preferably, toroidal membrane 11 is vertically arranged in the chamber, the hydrophobic bottom for being arranged on toroidal membrane 11
In order to extract the condensate in groove 12.
The utility model additionally provides a kind of air cooling tubes condenser, as shown in Figure 4, the air cooling tubes condenser include it is multiple simultaneously
Arrange the pipe 2 set and be arranged at the antifreeze isolating valve equipment of the entrance of at least one pipe 2, antifreeze isolating valve equipment is this reality
With new provided antifreeze isolating valve equipment.By antifreeze isolating valve equipment application provided by the utility model in air cooling tubes condenser
When middle, the antifreeze isolating valve 1 in the antifreeze isolating valve equipment is arranged on the entrance of pipe 2, when needing to take antifreezing measures,
Toroidal membrane 11 is closed, then the gas leaked can be initially entered in groove 12, and such gas can not enter the sky easily
In cold condenser, therefore the gas for avoiding leakage is entered in the air cooling tubes condenser and frozen to cause deforming, breaking for tube bank
Split, substantially increase the security performance during air cooling tubes condenser operation.Further, since antifreeze isolating valve is provided with pipeline
Equipment, therefore upkeep operation can be also carried out under non-stop-machine state.
The utility model additionally provides a kind of Air-Cooling Island, and as shown in Figure 4, the Air-Cooling Island is carried including the utility model
The air cooling tubes condenser of confession and the steam turbine 3 communicated with the air cooling tubes condenser.Due to being provided with this reality in the Air-Cooling Island
With new provided air cooling tubes condenser, so that the gas of leakage is not easily accessible in the air cooling tubes condenser, vapour is avoided
Body freezes in the air cooling tubes condenser causes the deformation of tube bank, rupture, improves the security performance of the operation of the Air-Cooling Island.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model.
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute
Disclosure, belong to the scope of protection of the utility model.
Claims (11)
1. a kind of antifreeze isolating valve, it is characterised in that the antifreeze isolating valve (1) includes：
Valve body (10), the both ends for being internally formed chamber and the valve body (10) of the valve body (10) formed with the chamber
The opening that room communicates；
Toroidal membrane (11), the toroidal membrane (11) is arranged in the chamber, and the toroidal membrane (11) can be opened
Open and either close to control medium by the chamber or be trapped；And
Groove (12), the groove (12) are opened in the edge of the toroidal membrane (11) and towards the toroidal membrane (11)
Center extension.
2. antifreeze isolating valve according to claim 1, it is characterised in that the groove (12) is around the toroidal membrane
(11) periphery is set.
3. antifreeze isolating valve according to claim 1, it is characterised in that the thickness of the toroidal membrane (11) is 20mm-
100mm。
4. the antifreeze isolating valve according to any one in claim 1-3, it is characterised in that plugged on the valve body (10)
There is the communicating pipe (13) that both ends communicate with the groove (12) and vacuum extractor respectively.
5. antifreeze isolating valve according to claim 4, it is characterised in that the communicating pipe (13) is multiple described to be multiple
Communicating pipe (13) is uniformly arranged on the groove (12).
6. antifreeze isolating valve according to claim 4, it is characterised in that be provided with control valve on the communicating pipe (13)
(14), and/or the outside of the communicating pipe (13) sets heat-insulation layer.
7. the antifreeze isolating valve according to any one in claim 1-3, it is characterised in that the toroidal membrane (11) with
Worm-and-wheel gear (15) is connected, and the worm-and-wheel gear (15) drives the toroidal membrane (11) around the toroidal membrane
(11) axis of pitch rotation.
8. a kind of antifreeze isolating valve equipment, it is characterised in that the antifreeze isolating valve equipment includes any one in claim 1-7
Antifreeze isolating valve (1), vacuum extractor and steam trap connection described in, the vacuum extractor and the steam trap connection connect respectively
Pass through the groove (12).
9. antifreeze isolating valve equipment according to claim 8, it is characterised in that the toroidal membrane (11) is vertically arranged in
In the chamber, the hydrophobic bottom for being arranged on the toroidal membrane (11).
10. a kind of air cooling tubes condenser, it is characterised in that the air cooling tubes condenser includes multiple pipes (2) being arranged side by side and set
Be placed in the antifreeze isolating valve equipment of the entrance of at least one pipe (2), the antifreeze isolating valve equipment be claim 8 or
Antifreeze isolating valve equipment described in 9.
A kind of 11. Air-Cooling Island, it is characterised in that the Air-Cooling Island include claim 10 described in air cooling tubes condenser and with institute
State the steam turbine (3) that air cooling tubes condenser communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547516.7U CN206708400U (en) | 2017-05-17 | 2017-05-17 | Antifreeze isolating valve, antifreeze isolating valve equipment, air cooling tubes condenser and Air-Cooling Island |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547516.7U CN206708400U (en) | 2017-05-17 | 2017-05-17 | Antifreeze isolating valve, antifreeze isolating valve equipment, air cooling tubes condenser and Air-Cooling Island |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708400U true CN206708400U (en) | 2017-12-05 |
Family
ID=60463609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720547516.7U Active CN206708400U (en) | 2017-05-17 | 2017-05-17 | Antifreeze isolating valve, antifreeze isolating valve equipment, air cooling tubes condenser and Air-Cooling Island |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974155A (en) * | 2020-08-24 | 2020-11-24 | 赵成书 | Gas-liquid separator with adjustable baffle |
-
2017
- 2017-05-17 CN CN201720547516.7U patent/CN206708400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974155A (en) * | 2020-08-24 | 2020-11-24 | 赵成书 | Gas-liquid separator with adjustable baffle |
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