CN206530813U - Water-bag type vacuum tank - Google Patents
Water-bag type vacuum tank Download PDFInfo
- Publication number
- CN206530813U CN206530813U CN201621478732.2U CN201621478732U CN206530813U CN 206530813 U CN206530813 U CN 206530813U CN 201621478732 U CN201621478732 U CN 201621478732U CN 206530813 U CN206530813 U CN 206530813U
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- Prior art keywords
- water
- vacuum tank
- bag type
- type vacuum
- fluid
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000012530 fluid Substances 0.000 claims abstract description 34
- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- 239000007853 buffer solution Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012577 media supplement Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model provides a kind of water-bag type vacuum tank.The water-bag type vacuum tank is arranged in fluid circuit, makes the pressure remained steady in pipeline by changing fluid volume that it is accommodated, including：Water pocket (10), the water pocket is the fluid passage formed by elastic material, its two ends is fixedly connected on fluid circuit, and wherein one end is provided with the inflow entrance (121) for incoming fluid, and the other end is provided with the flow export (122) for being used for flowing out fluid；Protective housing (20), the non-closed cavity (22) being internally formed for housing the water pocket (10) of the protective housing.According to embodiment of the present utility model, using water pocket natural resiliency come regulating system pressure, its voltage regulation result is very good.
Description
Technical field
The utility model is related to fluid circuit field, is used to adjust the Fluid pressure in pipeline more particularly, to a kind of
Water-bag type vacuum tank.
Background technology
In the system using circulation of fluid such as cooling system, the Fluid pressure in pipeline may become too high, cause
System pressure is excessive, it is therefore desirable to set the device of buffer system pressure.Expansion drum is a kind of buffer system being commonly used
The device of pressure, the operation principle of expansion drum is, when the extraneous water for having pressure enters in expansion drum air bag, to be sealed in tank
Air is compressed, according to boyle gas law, and volume diminishes pressure rise after gas is compressed, until gas in expansion drum
Stop water inlet when the pressure of pressure and water reaches consistent.When current loss pressure lowers, gas pressure is more than the pressure of water in expansion drum
Power, now gas expansion by air bag water extrusion mend arrive system.When expansion drum uses wind power unit converter water-cooling system
When middle, it is primarily used to absorb working media because of the increased part volume of temperature change.
Expansion drum currently used in the market mainly has two kinds, respectively gasbag-type expansion drum and diaphragm type expansion drum, when
When it is connected in water system, mainly play accumulator, when system water pressure is more than gas pressure in expansion drum, system
Water can enter in expansion drum body in the presence of system pressure, so gas in meeting compression-expansion tank, its volume is diminished, pressure
Become big, while increasing the receiving space of system water, reduce system pressure；Conversely, when system water pressure is less than gas in expansion drum
During pressure, system water can be refilled in system in the presence of gas pressure, and gas pressure reduces in expansion drum, and system pressure increases
Plus, until both reach new balance again, regulation, balance system pressure are played a part of in this expansion drum.
Most of expansion drum that current wind power unit converter is used is gasbag-type expansion drum, and gasbag-type expansion drum is usually
It is made up of tank body, air bag, inlet/outlet and the part of gas supplementing opening four.Precharge of gas between expansion drum air bag and tank body is dispatching from the factory
When set, without being inflated again when using, but after being worked long hours due to expansion drum, valve has damage, and gas has
Loss, causes system cisco unity malfunction.Now, in addition it is also necessary to carry out tonifying Qi operation.It is additionally, since and uses precharge of gas, when is
When Fluid pressure in system is less than precharge of gas, it is possible to can quote the low failure of system pressure, and now system is in this fluid
Fine normal work under pressure.
Utility model content
The purpose of this utility model is to provide a kind of easily fabricated, reliability high Fluid pressure buffer unit.
In order to solve the above-mentioned technical problem, a technical scheme of the utility model use is：There is provided a kind of water-bag type steady
Tank is pressed, is arranged in fluid circuit, makes the pressure remained steady in pipeline by changing fluid volume that it is accommodated, it is described
Water-bag type vacuum tank includes：Water pocket, the water pocket is the fluid passage formed by elastic material, and its two ends is fixedly connected on fluid hose
Road, wherein one end are provided with the inflow entrance for incoming fluid, and the other end is provided with the flow export for being used for flowing out fluid；Protective housing,
The non-closed cavity being internally formed for housing the water pocket of the protective housing.
Alternatively, the two ends of the water pocket form ring flange, and the two ends of the protective housing form corresponding support
Flange, ring flange is abutted with pivot flange.
Alternatively, the protective housing is divided into upper half-shell and housing lower half, pivot flange be arranged on upper half-shell or under
Half shell, or pivot flange are divided into the part integral with upper half-shell and the part integral with housing lower half.
Alternatively, upper half-shell and housing lower half are removably joined together.
Alternatively, upper half-shell is provided with fixed support.
Alternatively, at least one in the inner and outer surfaces of protective housing is formed with corrosion-protected surface process layer.
Alternatively, water pocket is made up of natural rubber.
Alternatively, protective housing is steel component.
Alternatively, the shape of cross section of water pocket is rounded, oval or polygon.
Alternatively, the vertical sectional shape of water pocket is oval.
According to embodiment of the present utility model, using water pocket natural resiliency come regulating system pressure, its voltage regulation result is very
It is good, it is possible to increase whole system efficiency.Moreover, the precharge of gas step without original expansion drum, reduces the manufacturing, inspection
The workload and cost of link, while the problem of solving frequent tonifying Qi using link, even failing.Being additionally, since does not make
It is relatively low but system still can will not send fault warning during normal work in system pressure with precharge of gas.
Brief description of the drawings
Fig. 1 is the stereogram of the water-bag type vacuum tank according to embodiment of the present utility model；
Fig. 2 is the decomposing state stereogram of the water-bag type vacuum tank according to embodiment of the present utility model；
Fig. 3 is the sectional view of the water-bag type vacuum tank according to embodiment of the present utility model.
Embodiment
Embodiment of the present utility model is described specifically below in conjunction with accompanying drawing.
Fig. 1 is the stereogram of the water-bag type vacuum tank according to embodiment of the present utility model, and Fig. 2 is according to the utility model
Embodiment water-bag type vacuum tank decomposing state stereogram, Fig. 3 is steady according to the water-bag type of embodiment of the present utility model
Press the sectional view of tank.
As shown in Figure 1 to Figure 3, water-bag type vacuum tank may include water pocket 10 and protective housing 20.Water pocket 10 is installed on protection
In housing 20, it may include main part 11 and the ring flange 12 positioned at the two ends of main part 11.Main part 11 is substantially tubular, for fluid
Flow through.Formed on side ring flange 12 and form what is flowed out for fluid on the inflow entrance 121 flowed into for fluid, opposite side ring flange 12
Flow export 122.Water pocket 10 uses elastic material, (that is, is flowed with absorbing release working media using the elasticity of itself of water pocket 10
Body) Volume Changes caused by temperature change, i.e. water pocket 10 can shrink according to the pressure expansion of fluid, so that regulating system pressure
Power.Natural rubber elasticity is big, and stretching strength is high, there is a preferable alkali resistance, therefore the preferred natural rubber of material of water pocket 10.
Protective housing 20 wraps up water pocket 10, and it is internally formed cavity 22, and the main part 11 of water pocket 10 is located in the cavity 22.
Cavity 22 in protective housing 10 is non-closed cavity, is connected with outside air, it is not necessary to precharge of gas.Therefore, in the absence of pre-
The problem of inflatable body pressure, also avoid the problem of gas loss causes system cisco unity malfunction.The two ends shape of protective housing 20
Into pivot flange 4 corresponding with ring flange 12.When water-bag type vacuum tank is installed in fluid circuit, flange on pipeline with
Pivot flange 4 clamps ring flange 12 from two, so as to realize firm airtight connection.It can now be connected by screw bolts.
Pivot flange 4 can be DN80 bore flanges so that the torsion that water pocket is born is smaller, while making water-bag type vacuum tank and system
Connection can be sealed preferably.Protective housing 20 can be steel component.
When the water-bag type vacuum tank is used in fluid circulating system equivalent to the effect of a cistern, water pocket is utilized
Elastic force of 10 materials itself increases the part volume reduced to absorb working media of the release caused by temperature change etc..When
Fluid pressure is excessive, cause water pocket 10 excessively expansion when, protective housing 20 plays a protective role to water pocket, in order to avoid more than water pocket
Water pocket is caused to damage under the operating mode of elastic range.In other words, because protective housing 20 is rigid member, therefore even in extreme feelings
Under condition, water pocket 10 can only be expanded into the position abutted with the inner surface of protective housing 20, without further expansion.
Preferably, protective housing 20 can be made up of two half shells.That is, protective housing 20 includes upper half-shell 2 with
Half shell 6.Upper and lower half shell 2 and 6 can be installed by 4 bolt assemblies 5, and the cavity 22 formed is used to install water pocket
10。
Solderable fixed support 3 in upper half-shell 2, to play support fixation to whole water-bag type vacuum tank.
The long-term work of water-bag type vacuum tank is under corrosive environment, and mordant gas can enter water-bag type voltage stabilizing tank body
Interior, corrosion is until housing failure since tank interior.To avoid the problem of corrosion causes damage, the interior appearance of protective housing 20
Face can be carried out surface anticorrosive processing, or inner surface that can be only to protective housing 20 or outer surface are carried out at anticorrosion
Reason.Conventional expansion drum is because be pre-charged with gas between air bag and tank body, to prevent from becoming flat, tank body need to form closed cavity, institute
Or with integrally formed by casting technique, weld together or being divided into after several parts are manufactured respectively.It is difficult when integrally formed
To form corrosion-resistant coating in tank inner surface by workmanship of spraying plastics, and welding procedure can be destroyed to be formed in tank body when using welding
The corrosion-resistant coating on surface.Therefore, there is the problem of being difficult to carry out corrosion-protected surface processing to inwall in conventional expansion drum.And this reality
The protective housing for applying example not necessarily forms closed cavity, therefore can use Split type structure, and removably connects each split portion
Point, therefore the surfaces externally and internally of each several part can be assemblied together again after corrosion-protected surface processing, thus solve original
There is the problem of expansion drum is difficult to carry out anti-corrosion treatment to inwall.
The operation principle to above-mentioned water-bag type vacuum tank is illustrated below.
When above-mentioned water-bag type vacuum tank actual use is in fluid circulating system, it is installed in the major loop of system, passes through
The flange at two ends is installed on system pressure minimum point (generally at the import of pump), its equivalent to one cistern, when in system
Working media temperature is raised, and volume increase, corresponding system pressure can be raised, and water pocket expands to sponge increased volume；Conversely,
Working media temperature is reduced, and volume reduces, and water pocket shrinks, working media supplement returns to system, so as to reach that system one is new
Balance.
In addition, as shown in figure 3, the longitudinal section of water pocket 10 can be with oval, ellipsoidal structure is more beneficial for water pocket 10
Convergent-divergent, and bigbore flange connection is used, the torsion that water pocket 10 is born is smaller, can extend the life-span.
The shape of water pocket 10 can be machinable other shapes, such as its shape of cross section can be with rounded, ellipse
Or polygon.
In addition, the connected mode of water-bag type vacuum tank and system, can be other modes, such as chuck, threaded connection etc..
Exemplary embodiment of the present utility model is illustrated by taking wind power unit converter water-cooling system as an example above, but not
It is limited to current transformer water-cooling system, is also not necessarily limited to wind power generating set, to can be answered using the equipment and system of fluid circulating line
Use embodiment of the present utility model.
Although exemplary embodiment of the present utility model is described in detail above, those skilled in the art should manage
Solution, in the case where not departing from principle of the present utility model and spirit, can make various modifications to embodiment of the present utility model
And deformation.It is understood that in the opinion of those skilled in the art, these modification and variation will fall into claim and be limited
The utility model in the range of.
Claims (10)
1. a kind of water-bag type vacuum tank, is arranged in fluid circuit, made by changing fluid volume that it is accommodated in pipeline
Pressure remained steady, it is characterised in that the water-bag type vacuum tank includes：
Water pocket (10), the water pocket is the fluid passage formed by elastic material, and its two ends is fixedly connected on fluid circuit, wherein one
End is provided with the inflow entrance (121) for incoming fluid, and the other end is provided with the flow export (122) for being used for flowing out fluid；
Protective housing (20), the non-closed cavity (22) being internally formed for housing the water pocket (10) of the protective housing.
2. water-bag type vacuum tank as claimed in claim 1, it is characterised in that the two ends of the water pocket (10) form ring flange
(12), the two ends of the protective housing (20) form corresponding pivot flange (4), the ring flange (12) and the support
Flange (4) is abutted.
3. water-bag type vacuum tank as claimed in claim 2, it is characterised in that the protective housing (20) is divided into upper half-shell
(2) and housing lower half (6), the pivot flange (4) is arranged on the upper half-shell (2) or the housing lower half (6), Huo Zhesuo
State pivot flange (4) and be divided into the part integral with the upper half-shell (2) and the portion integral with the housing lower half (6)
Point.
4. water-bag type vacuum tank as claimed in claim 3, it is characterised in that the upper half-shell (2) and the housing lower half
(6) it is removably joined together.
5. water-bag type vacuum tank as claimed in claim 3, it is characterised in that the upper half-shell (2) is provided with fixed support
(3)。
6. the water-bag type vacuum tank as described in any one in claim 1 to 5, it is characterised in that the protective housing (20)
Inner and outer surfaces at least one be formed with corrosion-protected surface process layer.
7. the water-bag type vacuum tank as described in any one in claim 1 to 5, it is characterised in that the water pocket (10) is by day
Right rubber is made.
8. the water-bag type vacuum tank as described in any one in claim 1 to 5, it is characterised in that the protective housing (20)
For steel component.
9. the water-bag type vacuum tank as described in any one in claim 1 to 5, it is characterised in that the horizontal stroke of the water pocket (10)
Cross sectional shape is rounded, oval or polygon.
10. the water-bag type vacuum tank as described in any one in claim 1 to 5, it is characterised in that the water pocket (10) it is vertical
Cross sectional shape is oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478732.2U CN206530813U (en) | 2016-12-29 | 2016-12-29 | Water-bag type vacuum tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621478732.2U CN206530813U (en) | 2016-12-29 | 2016-12-29 | Water-bag type vacuum tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206530813U true CN206530813U (en) | 2017-09-29 |
Family
ID=59920179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621478732.2U Active CN206530813U (en) | 2016-12-29 | 2016-12-29 | Water-bag type vacuum tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206530813U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168104A (en) * | 2018-02-09 | 2018-06-15 | 倍他暖（高碑店）热能科技有限公司 | A kind of plastics wall-hung boiler expansion tank |
| CN110243695A (en) * | 2019-07-12 | 2019-09-17 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | It is a kind of for providing the pilot system of structure deformation of creep environment |
| CN111501915A (en) * | 2020-04-25 | 2020-08-07 | 上海南汇压力容器厂有限公司 | Diaphragm air pressure tank and pipe network system with same |
| CN113301942A (en) * | 2018-10-03 | 2021-08-24 | 奥斯蒂尔公司 | Inflation device and system for balloon catheter and method of use thereof |
| CN113984302A (en) * | 2021-10-28 | 2022-01-28 | 广州文冲船厂有限责任公司 | Rapid tightness test tool for safety valve |
-
2016
- 2016-12-29 CN CN201621478732.2U patent/CN206530813U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168104A (en) * | 2018-02-09 | 2018-06-15 | 倍他暖（高碑店）热能科技有限公司 | A kind of plastics wall-hung boiler expansion tank |
| CN113301942A (en) * | 2018-10-03 | 2021-08-24 | 奥斯蒂尔公司 | Inflation device and system for balloon catheter and method of use thereof |
| CN110243695A (en) * | 2019-07-12 | 2019-09-17 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | It is a kind of for providing the pilot system of structure deformation of creep environment |
| CN111501915A (en) * | 2020-04-25 | 2020-08-07 | 上海南汇压力容器厂有限公司 | Diaphragm air pressure tank and pipe network system with same |
| CN111501915B (en) * | 2020-04-25 | 2021-04-13 | 上海南汇压力容器厂有限公司 | Diaphragm air pressure tank and pipe network system with same |
| CN113984302A (en) * | 2021-10-28 | 2022-01-28 | 广州文冲船厂有限责任公司 | Rapid tightness test tool for safety valve |
| CN113984302B (en) * | 2021-10-28 | 2024-01-02 | 广州文冲船厂有限责任公司 | Quick tightness test tool for safety valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |