CN216112150U - Solid shroud control unit - Google Patents
Solid shroud control unit Download PDFInfo
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- CN216112150U CN216112150U CN202121683697.9U CN202121683697U CN216112150U CN 216112150 U CN216112150 U CN 216112150U CN 202121683697 U CN202121683697 U CN 202121683697U CN 216112150 U CN216112150 U CN 216112150U
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Abstract
The utility model discloses a solid shroud control unit, relates to the field of shroud control valve sets, and particularly relates to the technical field of hydraulic power station hydraulic generator air shroud devices. The utility model comprises a shroud valve body with a shroud A port, a gas source P port and an exhaust T port, 2 filters arranged on the lower side of the shroud valve body, 6 hand valves arranged on the lower side of the front face of the shroud valve body, 2 pneumatic valves arranged on the upper side of the front face of the shroud valve body, a pressure regulating valve and a pressure gauge arranged in the middle of the upper side of the front face of the shroud valve body, and a throttle valve arranged on the left side face of the shroud valve body, wherein the hand valves are matched with the pneumatic valves to realize the functions of initial pressure maintaining, shroud manual inflation, shroud manual exhaust, shroud automatic inflation and shroud automatic exhaust. The method is used for controlling the shroud ring of the hydraulic generator.
Description
Technical Field
The utility model provides a solid shroud control unit for hydraulic generator shroud control relates to shroud valve group field, concretely relates to power station hydraulic generator air shroud technical field.
Background
When the hydroelectric generating set of the hydropower station works, the hydroelectric generating set can be periodically overhauled, and the hydroelectric generating set needs to be overhauled and sealed when being overhauled. At present, most of hydropower station hydroelectric generating set air shroud devices are formed by connecting a pipeline, a manual ball valve and an independent air electromagnetic valve, and the two-position three-way electromagnetic valve and the manual ball valve are connected by a stainless steel pipe or a copper pipe.
The air shroud device of the hydroelectric generating set is realized by adopting a pipeline and independent pneumatic element connection mode, and the following technical problems exist:
firstly, manual and automatic switching operation steps are complicated, pipe joints are more, leakage is easy to occur in the whole system, and when the leakage is serious, the brake failure of the water turbine generator set can be caused, so that serious consequences can be caused;
secondly, because the integral structure of the air shroud device is complex, the maintenance of the water-turbine generator set is difficult.
Disclosure of Invention
The utility model aims to provide a solid shroud control unit, which solves the problems that the manual and automatic switching operation steps of an air shroud device of a water-turbine generator set in the prior art are complicated, the number of pipeline joints is large, the whole system is easy to leak, and the brake failure of the water-turbine generator set can be caused when the leakage is serious, so that serious consequences can be caused; and the overall structure for installing the air shroud device is complex, so that the maintenance of the water-turbine generator set is difficult.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides a solid shroud control unit, includes the shroud valve body of taking a shroud A mouth, air supply P mouth and exhaust T mouth, installs 6 manual valves on the shroud and cooperatees with 2 pneumatic valves, in order to realize initial pressurize, shroud manual charging, shroud manual exhaust, shroud automatic charging and shroud automatic exhaust's function.
Further, the solid shroud control unit, its characterized in that: the opening A of the shroud ring is formed in one side edge of the shroud ring valve body and is used for being connected with a water turbine maintenance sealing device.
Further, the solid shroud control unit, its characterized in that: the air source P port is formed in one side edge of the shroud valve body, and a filter is arranged at the air source P port and on the shroud valve body.
Further, the solid shroud control unit, its characterized in that: the exhaust T port is formed in one side edge of the shroud valve body, and a filter is mounted at the exhaust T port and on the shroud valve body.
Further, the solid shroud control unit, its characterized in that: the 6 manual valves are arranged on the lower side of the front face of the shroud valve body and used for manually controlling the opening and closing of the execution gas path.
Further, the solid shroud control unit, its characterized in that: and the 2 pneumatic valves are arranged on the upper side of the front surface of the shroud valve body and used for electrically controlling the opening and closing of the execution gas path.
Further, the solid shroud control unit, its characterized in that: the pressure gauge is installed on the upper side of the front face of the shroud valve body and used for displaying the pressure value of the execution gas circuit.
Further, the solid shroud control unit, its characterized in that: the pressure regulating valve is arranged on the upper side of the front face of the shroud valve body and used for regulating the gas pressure of the execution gas path.
Further, the solid shroud control unit, its characterized in that: the throttle valve is installed on the left side of the shroud valve body and used for adjusting and executing gas flow of the gas path.
Further, the solid shroud control unit, its characterized in that:
when the pressure is initially maintained, the manual valve (3-1, 3-2, 3-3, 3-4, 3-5 and 3-6) is closed, and after the air source P port is ventilated, the opening A of the shroud ring and the exhaust T port are not ventilated;
when the shroud ring is manually inflated, the manual valves (3-1, 3-2, 3-4, 3-5 and 3-6) are closed, the manual valves (3-3) are opened, after the air source P port is ventilated, the shroud ring A port is ventilated, and the exhaust T port is not ventilated;
when the shroud band is manually exhausted, the manual valves (3-1, 3-2, 3-3, 3-4 and 3-5) are closed, the manual valves (3-6) are opened, after the air source P port is ventilated, the shroud band A port is not ventilated, the exhaust T port is not ventilated, and the shroud band A port is communicated with the exhaust T port;
when the shroud is automatically inflated, the manual valves (3-3 and 3-6) are closed, the manual valves (3-1, 3-2, 3-4 and 3-5) are opened, the opening coil of the pneumatic valve (4-1) is started, the closing coil of the pneumatic valve (4-2) is started, after the air source P is ventilated, the opening A of the shroud is ventilated, and the air exhaust T is not ventilated;
when the shroud ring is automatically exhausted, the manual valves (3-3 and 3-6) are closed, the manual valves (3-1, 3-2, 3-4 and 3-5) are opened, the closing coil of the pneumatic valve (4-1) is started, the opening coil of the pneumatic valve (4-2) is started, after the air source P port is ventilated, the shroud ring A port is not ventilated, the exhaust T port is not ventilated, and the shroud ring A port is communicated with the exhaust T port.
Compared with the prior art, the utility model has the advantages that:
the utility model integrates a manual valve, a pneumatic valve, a pressure regulating valve, a pressure gauge and a throttle valve through a shroud valve body to realize the initial pressure maintaining, the manual shroud inflation, the manual shroud exhaust, the automatic shroud inflation and the automatic shroud exhaust of a shroud device of a hydroelectric generating set, and has the advantages of simple integral structure, convenient operation, quick installation, simple maintenance, reliable action and strong universality;
the purpose of installing the pressure gauge is to sense whether the P port of the gas source is ventilated or not through the pressure gauge and display the gas pressure of the execution gas circuit after being regulated by the pressure regulating valve;
thirdly, the purpose of the utility model is to adjust the air pressure of the control air path of the shroud ring;
fourthly, the throttle valve is arranged to adjust the air flow of the air passage of the shroud;
and fifthly, the installation of the air inlet filter assembly is used for filtering the entering air so as to prolong the service life of each element and reduce the maintenance times.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a front view of the present invention;
fig. 2 is a gas path diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
As shown in figure 1, a solid shroud control unit comprises a shroud valve body with a shroud A port, a gas source P port and a gas exhaust T port, a filter 2-1 arranged at the gas source P port, a filter 2-2 arranged at the gas exhaust T port, a pressure regulating valve 6 and a pressure gauge 5 which are arranged on the upper side of the front surface of the shroud valve body 1, a throttle valve 7 arranged on the left side of the shroud valve body 1, and 6 manual valves (3-1, 3-2, 3-3, 3-4, 3-5 and 3-6) arranged on the front surface of the shroud, which are matched with 2 pneumatic valves (4-1 and 4-2) to realize the functions of initial pressure maintaining, shroud manual gas charging, shroud manual gas exhaust, shroud automatic gas charging and shroud automatic gas exhaust.
An air source P port and a shroud A port exhaust T port which are formed on a shroud valve body 1 are not limited in position, a pressure regulating valve 6 and a pressure gauge 5 which are arranged on the upper side of the front face of the shroud valve body 1 are not limited in position, a throttle valve 7 which is arranged on the left side of the shroud valve body 1 is not limited in position, 6 manual valves (3-1, 3-2, 3-3, 3-4, 3-5 and 3-6) and 2 pneumatic valves (4-1 and 4-2) which are arranged on a shroud are not limited in position, and the shroud valve can be matched with the manual valves and the pneumatic valves as long as primary pressure maintaining, manual shroud inflation, manual shroud exhaust, automatic shroud inflation and automatic shroud exhaust can be realized. When the components (namely the shroud valve body 1, the filter 2, the manual valves (3-1, 3-2, 3-3, 3-4, 3-5 and 3-6), the pneumatic valves (4-1 and 4-2), the pressure gauge 5, the pressure regulating valve 6 and the throttle valve 7) are matched, the components need to be matched through pipelines.
In order to filter the inlet air and prolong the service life of each element or reduce the maintenance times, an inlet air filtering component 2-1 is arranged at the position of an air source P, and an outlet air filtering component 2-2 is arranged at the position of an exhaust T.
The front view shown in fig. 1 is a schematic view of installation in practice, and the positional relationship of each element is as follows:
the shroud a is formed on one side of the shroud valve body 1, i.e. on the lower left side of fig. 1.
The air source P port is formed in one side of the shroud valve body 1, namely the middle of the lower side of the figure 1, and a filter 2-1 for filtering inlet air is arranged at the air source P port and on the shroud valve body 1.
The exhaust T port is formed on one side of the shroud valve body 1, namely the right side of the lower side of the figure 1, and a filter 2-2 for filtering exhaust gas is arranged at the exhaust T port and on the shroud valve body 1.
The manual valves (3-1, 3-2, 3-3, 3-4, 3-5, 3-6) are arranged on the lower side of the front surface of the shroud valve body 1, namely the front surface side of the figure 1.
The pneumatic valves (4-1, 4-2) are mounted on the upper front side of the shroud valve body 1, i.e. on the front side of fig. 1.
The pressure gauge 5 is arranged on the upper side of the front face of the shroud valve body 1, namely the front face side of the figure 1.
The pressure regulating valve 6 is mounted on the upper front side of the shroud valve body 1, i.e., on the front side of fig. 1.
The throttle valve 7 is mounted on the left side of the shroud valve body 1, i.e. on the left side of fig. 1.
In practice, filters (2-1, 2-2), manual valves (3-1, 3-2, 3-3, 3-4, 3-5, 3-6), pneumatic valves (4-1, 4-2), a pressure gauge 5, a pressure regulating valve 6, a throttle valve 7 and the like integrated on the shroud valve body 1 do not exclude other positional relationships of all elements under the condition that initial pressure maintaining, shroud manual inflation, shroud manual exhaust, shroud automatic inflation and shroud automatic exhaust can be realized.
In the scheme, filters (2-1 and 2-2), manual valves (3-1, 3-2, 3-3, 3-4, 3-5 and 3-6), pneumatic valves (4-1 and 4-2), a pressure gauge 5, a pressure regulating valve 6 and a throttle valve 7 are conventional.
The initial pressure maintaining, the manual inflation of the shroud ring, the manual exhaust of the shroud ring, the automatic inflation of the shroud ring and the automatic exhaust of the shroud ring are as follows:
when the pressure is initially maintained, the manual valve (3-1, 3-2, 3-3, 3-4, 3-5 and 3-6) is closed, and after the air source P port is ventilated, the opening A of the shroud ring and the exhaust T port are not ventilated;
when the shroud ring is manually inflated, the manual valves (3-1, 3-2, 3-4, 3-5 and 3-6) are closed, the manual valves (3-3) are opened, after the air source P port is ventilated, the shroud ring A port is ventilated, and the exhaust T port is not ventilated;
when the shroud band is manually exhausted, the manual valves (3-1, 3-2, 3-3, 3-4 and 3-5) are closed, the manual valves (3-6) are opened, after the air source P port is ventilated, the shroud band A port is not ventilated, the exhaust T port is not ventilated, and the shroud band A port is communicated with the exhaust T port;
when the shroud is automatically inflated, the manual valves (3-3 and 3-6) are closed, the manual valves (3-1, 3-2, 3-4 and 3-5) are opened, the opening coil of the pneumatic valve (4-1) is started, the closing coil of the pneumatic valve (4-2) is started, after the air source P is ventilated, the opening A of the shroud is ventilated, and the air exhaust T is not ventilated;
when the shroud ring is automatically exhausted, the manual valves (3-3 and 3-6) are closed, the manual valves (3-1, 3-2, 3-4 and 3-5) are opened, the closing coil of the pneumatic valve (4-1) is started, the opening coil of the pneumatic valve (4-2) is started, after the air source P port is ventilated, the shroud ring A port is not ventilated, the exhaust T port is not ventilated, and the shroud ring A port is communicated with the exhaust T port.
In practice, the solid shroud control unit is installed in a specific application scene, and is matched with the pneumatic valves (4-1 and 4-2) through manual valves (3-1 and 3-2 and 3-3 and 3-4 and 3-5 and 3-6) to realize initial pressure maintaining, manual shroud inflation, manual shroud exhaust, automatic shroud inflation and automatic shroud exhaust.
Claims (10)
1. A solid shroud control unit characterized by: comprises a shroud valve body (1) with a shroud A port, an air source P port and an exhaust T port, 2 filters (2-1, 2-2) arranged on the lower side of the shroud valve body (1), 6 manual valves (3-1, 3-2, 3-3, 3-4, 3-5 and 3-6) arranged on the lower side of the front face of the shroud valve body (1), 2 pneumatic valves (4-1, 4-2) arranged on the upper side of the front face of the shroud valve body (1), a pressure regulating valve (6) and a pressure gauge (5) arranged in the middle of the upper side of the front face of the shroud valve body (1), a throttle valve (7) arranged on the left side of the shroud valve body (1), wherein the manual valves and the pneumatic valves are matched with each other to realize initial pressure maintaining, the functions of manual inflation of the shroud ring, manual exhaust of the shroud ring, automatic inflation of the shroud ring and automatic exhaust of the shroud ring.
2. The solid shroud control unit of claim 1, wherein: the opening A of the shroud ring is formed in one side edge of the shroud ring valve body (1) and is used for being connected with a water turbine overhauling sealing device.
3. The solid shroud control unit of claim 1, wherein: the air source P port is formed in one side edge of the shroud valve body (1), and a filter (2-1) is installed at the air source P port and on the shroud valve body (1).
4. The solid shroud control unit of claim 1, wherein: the exhaust T port is formed in one side edge of the shroud valve body (1), and a filter (2-2) is mounted at the exhaust T port and on the shroud valve body (1).
5. The solid shroud control unit of claim 1, wherein: the 6 manual valves (3-1, 3-2, 3-3, 3-4, 3-5 and 3-6) are arranged on the lower side of the front face of the shroud valve body (1) and used for manually controlling the opening and closing of the execution gas circuit.
6. The solid shroud control unit of claim 1, wherein: the 2 pneumatic valves (4-1, 4-2) are arranged on the upper side of the front surface of the shroud valve body (1) and are used for electrically controlling the opening and closing of the execution gas path.
7. The solid shroud control unit of claim 1, wherein: the pressure gauge (5) is installed on the upper side of the front face of the shroud valve body (1) and used for displaying the gas pressure value of the execution gas path.
8. The solid shroud control unit of claim 1, wherein: the pressure regulating valve (6) is arranged on the upper side of the front face of the shroud valve body (1) and used for regulating the gas pressure of the execution gas path.
9. The solid shroud control unit of claim 1, wherein: the throttle valve (7) is installed on the left side of the shroud valve body (1) and used for adjusting and executing gas flow of the gas path.
10. The solid shroud control unit of claim 1, wherein: when the pressure is initially maintained, the manual valve (3-1, 3-2, 3-3, 3-4, 3-5 and 3-6) is closed, and after the air source P port is ventilated, the opening A of the shroud ring and the exhaust T port are not ventilated; when the shroud ring is manually inflated, the manual valves (3-1, 3-2, 3-4, 3-5 and 3-6) are closed, the manual valves (3-3) are opened, after the air source P port is ventilated, the shroud ring A port is ventilated, and the exhaust T port is not ventilated; when the shroud band is manually exhausted, the manual valves (3-1, 3-2, 3-3, 3-4 and 3-5) are closed, the manual valves (3-6) are opened, after the air source P port is ventilated, the shroud band A port is not ventilated, the exhaust T port is not ventilated, and the shroud band A port is communicated with the exhaust T port; when the shroud is automatically inflated, the manual valves (3-3 and 3-6) are closed, the manual valves (3-1, 3-2, 3-4 and 3-5) are opened, the opening coil of the pneumatic valve (4-1) is started, the closing coil of the pneumatic valve (4-2) is started, after the air source P is ventilated, the opening A of the shroud is ventilated, and the air exhaust T is not ventilated; when the shroud ring is automatically exhausted, the manual valves (3-3 and 3-6) are closed, the manual valves (3-1, 3-2, 3-4 and 3-5) are opened, the closing coil of the pneumatic valve (4-1) is started, the opening coil of the pneumatic valve (4-2) is started, after the air source P port is ventilated, the shroud ring A port is not ventilated, the exhaust T port is not ventilated, and the shroud ring A port is communicated with the exhaust T port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121683697.9U CN216112150U (en) | 2021-07-23 | 2021-07-23 | Solid shroud control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121683697.9U CN216112150U (en) | 2021-07-23 | 2021-07-23 | Solid shroud control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216112150U true CN216112150U (en) | 2022-03-22 |
Family
ID=80722982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121683697.9U Active CN216112150U (en) | 2021-07-23 | 2021-07-23 | Solid shroud control unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216112150U (en) |
-
2021
- 2021-07-23 CN CN202121683697.9U patent/CN216112150U/en active Active
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