CN217108799U - Device for preventing condensation on surface of equipment of underground powerhouse of hydropower station - Google Patents
Device for preventing condensation on surface of equipment of underground powerhouse of hydropower station Download PDFInfo
- Publication number
- CN217108799U CN217108799U CN202220591029.1U CN202220591029U CN217108799U CN 217108799 U CN217108799 U CN 217108799U CN 202220591029 U CN202220591029 U CN 202220591029U CN 217108799 U CN217108799 U CN 217108799U
- Authority
- CN
- China
- Prior art keywords
- cover body
- negative pressure
- equipment
- lower cover
- upper cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a power station underground factory building prevents equipment surface dewfall device. The device for preventing the condensation on the surface of the equipment of the underground powerhouse of the hydropower station comprises an equipment pipeline body; the upper cover body is arranged outside the equipment pipeline body; the lower cover body is arranged outside the equipment pipeline body; the four connecting plates are respectively arranged on the upper cover body and the lower cover body; the first bolts are respectively arranged on the four connecting plates; the nuts are respectively sleeved on the first bolts in a threaded manner; the supporting mechanisms are respectively arranged on the inner walls of the upper cover body and the lower cover body. The utility model provides a pair of power station underground factory building prevents equipment surface dewfall device has the better, can be applicable to not unidimensional pipeline of antisweat effect, the better advantage of sealed effect.
Description
Technical Field
The utility model relates to a power station equipment protection technical field especially relates to a power station underground factory building prevents equipment surface dewfall device.
Background
The hydropower station plant is a building in which a water turbine, a hydraulic generator and various auxiliary equipment are arranged in the hydropower station. Generally, the system consists of a hydropower station main workshop and a hydropower station auxiliary workshop. It is a complex of hydraulic buildings, machinery and electrical equipment, and is also a place for operators to carry out production activities.
However, in the underground powerhouse of many hydropower stations, in the flood season (5 months to 11 months), the difference between the air temperature of the powerhouse and the surface temperature of equipment (cooling water pipelines, lubricating water pipelines and the like) is too large (the temperature difference in Guizhou region is close to 10 ℃), so that dew condensation on the surfaces of the equipment and facilities (cooling water pipelines, lubricating water pipelines and the like) of the underground powerhouse can be caused, and the problems of corrosion of the equipment and facilities, reduction of the insulation of electric equipment and the like can be caused.
Therefore, it is necessary to provide a device for preventing dew condensation on the surface of underground powerhouse of hydropower station to solve the above technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a have the better, can be applicable to not unidimensional pipeline of antisweat effect, a power station underground factory building prevents equipment surface dewfall device that sealed effect is better.
In order to solve the technical problem, the utility model provides a pair of power station underground factory building prevents equipment surface dewfall device includes: an equipment pipeline body; the upper cover body is arranged outside the equipment pipeline body; the lower cover body is arranged outside the equipment pipeline body; the four connecting plates are respectively arranged on the upper cover body and the lower cover body; the first bolts are respectively arranged on the four connecting plates; the nuts are respectively sleeved on the first bolts in a threaded manner; the supporting mechanisms are respectively arranged on the inner walls of the upper cover body and the lower cover body; the two sealing mechanisms are arranged on the equipment pipeline body; the negative pressure mechanism is arranged on the lower cover body.
Preferably, strip-shaped sealing gaskets are arranged on the side, close to each other, of each of the four connecting plates.
Preferably, the supporting mechanism comprises a barrel, a sliding block, a rectangular sliding rod, an arc supporting plate and a spring, the barrel is fixedly mounted on the inner wall of the lower cover body, a rectangular opening is formed in one end of the barrel, the sliding block is slidably mounted on the inner wall of the barrel, the rectangular sliding rod is fixedly mounted on the sliding block, the rectangular sliding rod is slidably connected with the rectangular opening, the arc supporting plate is fixedly mounted at one end of the rectangular sliding rod, and the spring is arranged inside the barrel.
Preferably, sealing mechanism includes annular seal cover, annular fixed plate and a plurality of second bolt, the sealed cover of annular seal cover is established on the equipment pipeline body, the annular fixed plate sets up one side of annular seal cover, it is a plurality of the second bolt all sets up on the annular fixed plate, it is a plurality of the second bolt respectively with go up the cover body with cover body threaded connection down.
Preferably, negative pressure mechanism includes atmospheric pressure detection sensor, negative pressure pump, negative pressure pipe and check valve, atmospheric pressure detection sensor sets up on the inner wall of the upper shield body, negative pressure pump fixed mounting be in down on the cover body, negative pressure pipe sets up on negative pressure pump's the extraction opening, negative pressure pipe's one end extends to the inside of the cover body down, the check valve sets up on the negative pressure pipe.
Preferably, a controller is arranged on the lower cover body, and the controller is electrically connected with the air pressure detection sensor and the negative pressure pump.
Compared with the prior art, the utility model provides a pair of power station underground factory building prevents equipment surface dewfall device has following beneficial effect:
the utility model provides a power station underground factory building prevents equipment surface dewfall device, through four connecting plates, a plurality of first bolts and a plurality of nut can be in the same place the upper cover body and cover body fixed connection down, can seal up the junction of the upper cover body and the lower cover body through two bar seals up, can support the equipment pipeline body through a plurality of supporting mechanism, and make the device can be applicable to not unidimensional equipment pipeline body, can seal between the both sides of the upper cover body and the lower cover body and the equipment pipeline body through sealing mechanism, can take out the gas of the upper cover body and the lower cover body through negative pressure mechanism, thereby prevent the surface dewfall of equipment pipeline body, the controller can open according to opening of the detection data control negative pressure pump of atmospheric pressure detection sensor and stop.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the device for preventing condensation on the surface of equipment in an underground powerhouse of a hydropower station provided by the utility model;
FIG. 2 is a schematic front view of the external viewing structure of FIG. 1;
FIG. 3 is a schematic side view of the structure of FIG. 1;
fig. 4 is an enlarged schematic view of a portion a shown in fig. 1.
Reference numbers in the figures: 1. an equipment pipeline body; 2. an upper cover body; 3. a lower cover body; 4. a connecting plate; 5. a first bolt; 6. a nut; 7. a strip-shaped sealing gasket; 8. a barrel; 9. a slider; 10. a rectangular slide bar; 11. an arc-shaped support plate; 12. a spring; 13. an annular seal housing; 14. an annular fixed plate; 15. a second bolt; 16. an air pressure detection sensor; 17. a negative pressure pump; 18. a negative pressure tube; 19. a one-way valve; 20. and a controller.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-4, fig. 1 is a schematic structural diagram of a preferred embodiment of a device for preventing condensation on the surface of an underground powerhouse of a hydropower station according to the present invention; FIG. 2 is a schematic front view of the external viewing structure of FIG. 1; FIG. 3 is a schematic side view of the structure of FIG. 1;
fig. 4 is an enlarged schematic view of a portion a shown in fig. 1. The utility model provides a power station underground powerhouse prevents equipment surface dewfall device includes: an equipment pipeline body 1; the upper cover body 2 is arranged outside the equipment pipeline body 1; the lower cover body 3 is arranged outside the equipment pipeline body 1; the four connecting plates 4 are respectively arranged on the upper cover body 2 and the lower cover body 3; a plurality of first bolts 5, the plurality of first bolts 5 being respectively provided on the four connecting plates 4; the nuts 6 are respectively sleeved on the first bolts 5 in a threaded manner; the supporting mechanisms are respectively arranged on the inner walls of the upper cover body 2 and the lower cover body 3; the two sealing mechanisms are arranged on the equipment pipeline body 1; and the negative pressure mechanism is arranged on the lower cover body 3.
Four one side that connecting plate 4 is close to each other all is provided with the sealed 7 of strip, can seal the junction of the upper shield body 2 and the lower shield body 3 through two sealed 7 of strip.
The supporting mechanism comprises a cylinder body 8, a sliding block 9, a rectangular sliding rod 10, an arc supporting plate 11 and a spring 12, the cylinder body 8 is fixedly installed on the inner wall of the lower cover body 3, a rectangular opening is formed in one end of the cylinder body 8, the sliding block 9 is slidably installed on the inner wall of the cylinder body 8, the rectangular sliding rod 10 is fixedly installed on the sliding block 9, the rectangular sliding rod 10 is connected with the rectangular opening in a sliding mode, the arc supporting plate 11 is fixedly installed at one end of the rectangular sliding rod 10, the spring 12 is arranged inside the cylinder body 8, the equipment pipeline body 1 can be supported through the supporting mechanisms, and the device can be suitable for the equipment pipeline bodies 1 of different sizes.
Sealing mechanism includes annular sealed cowling 13, annular fixed plate 14 and a plurality of second bolt 15, the sealed cover of annular sealed cowling 13 is established on the equipment pipeline body 1, annular fixed plate 14 sets up one side of annular sealed cowling 13, and is a plurality of second bolt 15 all sets up on the annular fixed plate 14, it is a plurality of second bolt 15 respectively with go up the cover body 2 with 3 threaded connection of the cover body down can seal between the both sides of the upper cover body 2 and the lower cover body 3 and the equipment pipeline body 1 through sealing mechanism.
Negative pressure mechanism includes atmospheric pressure detection sensor 16, negative pressure pump 17, negative pressure pipe 18 and check valve 19, atmospheric pressure detection sensor 16 sets up on the inner wall of the upper cover body 2, negative pressure pump 17 fixed mounting is in on the lower cover body 3, negative pressure pipe 18 sets up on the extraction opening of negative pressure pump 17, the one end of negative pressure pipe 18 extends to the inside of the lower cover body 3, check valve 19 sets up on the negative pressure pipe 18, can take out the gas of the upper cover body 2 and the lower cover body 3 through negative pressure mechanism.
The lower cover body 3 is provided with a controller 20, the controller 20 is electrically connected with the air pressure detection sensor 16 and the negative pressure pump 17, and the controller 20 can control the start and stop of the negative pressure pump 17 according to the detection data of the air pressure detection sensor 16.
The utility model provides a pair of power station underground factory building prevents equipment surface dewfall device's theory of operation as follows:
during installation, the upper cover body 2 and the lower cover body 3 are respectively covered at the top and the bottom of the equipment pipeline body 1, so that a plurality of arc-shaped supporting plates 11 are in contact with the equipment pipeline body 1, then two strip-shaped sealing gaskets 7 are arranged between four connecting plates 4, the upper cover body 2 and the lower cover body 3 are connected and fixed together through a plurality of first bolts 5 and a plurality of nuts 6, then two annular sealing covers 13 are arranged at two sides of the upper cover body 2 and the lower cover body 3 and are sealed and sleeved on the equipment pipeline body 1, and two annular fixing plates 14 are fixed at two sides of the upper cover body 2 and the lower cover body 3 through a plurality of second bolts 15, so that the annular sealing covers 13 are pressed and fixed;
after the installation and the sealing are finished, the air pressure inside the upper cover body 2 and the lower cover body 3 is detected through the air pressure detection sensor 16, when the air pressure inside the upper cover body 2 and the lower cover body 3 is higher than a set threshold value, the controller 20 controls the negative pressure pump 17 to be started, air inside the upper cover body 2 and the lower cover body 3 is gradually pumped out through the negative pressure pump 17, and therefore the inside of the upper cover body 2 and the inside of the lower cover body 3 are in a vacuum state, the device prevents the surface of the equipment pipeline body 1 from dewing by reducing the air amount inside the upper cover body 2 and the lower cover body 3, the equipment pipeline body 1 is isolated from being in contact with the outside air through the sealing device, the surface of the equipment pipeline body 1 is further prevented from dewing, a proper amount of bagged drying agent can be prevented inside the upper cover body 2 and the lower cover body 3 when the device is installed, and the effect of auxiliary drying air is achieved.
Compared with the prior art, the utility model provides a pair of power station underground factory building prevents equipment surface dewfall device has following beneficial effect:
the utility model provides a power station underground factory building prevents equipment surface dewfall device, through four connecting plates 4, a plurality of first bolts 5 and a plurality of nut 6 can be in the same place the upper cover body 2 and the lower cover body 3 fixed connection, can seal up the junction of the upper cover body 2 with the lower cover body 3 through two sealed pads 7 of bar, can support equipment pipeline body 1 through a plurality of supporting mechanism, and make the device can be applicable to not unidimensional equipment pipeline body 1, can seal up between the both sides of the upper cover body 2 and the lower cover body 3 and the equipment pipeline body 1 through sealing mechanism, can take out the gas of the upper cover body 2 and the lower cover body 3 through negative pressure mechanism, thereby prevent the surface dewfall of equipment pipeline body 1, controller 20 can open according to opening of the detection data control negative pressure pump 17 of atmospheric pressure detection sensor 16 and stop.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a power station underground powerhouse prevents equipment surface dewfall device which characterized in that includes:
an equipment pipeline body;
the upper cover body is arranged outside the equipment pipeline body;
the lower cover body is arranged outside the equipment pipeline body;
the four connecting plates are respectively arranged on the upper cover body and the lower cover body;
the first bolts are respectively arranged on the four connecting plates;
the nuts are respectively sleeved on the first bolts in a threaded manner;
the supporting mechanisms are respectively arranged on the inner walls of the upper cover body and the lower cover body;
the two sealing mechanisms are arranged on the equipment pipeline body;
and the negative pressure mechanism is arranged on the lower cover body.
2. The device for preventing the condensation on the surface of the equipment of the underground powerhouse of the hydropower station according to claim 1, wherein strip-shaped sealing gaskets are arranged on one sides, close to each other, of the four connecting plates.
3. The device according to claim 1, wherein the support mechanism comprises a cylinder, a slider, a rectangular sliding rod, an arc-shaped support plate and a spring, the cylinder is fixedly mounted on the inner wall of the lower cover body, a rectangular opening is formed in one end of the cylinder, the slider is slidably mounted on the inner wall of the cylinder, the rectangular sliding rod is fixedly mounted on the slider, the rectangular sliding rod is slidably connected with the rectangular opening, the arc-shaped support plate is fixedly mounted at one end of the rectangular sliding rod, and the spring is arranged inside the cylinder.
4. The device of claim 1, wherein the sealing mechanism comprises an annular sealing cover, an annular fixing plate and a plurality of second bolts, the annular sealing cover is sleeved on the device pipeline body, the annular fixing plate is arranged on one side of the annular sealing cover, the second bolts are arranged on the annular fixing plate, and the second bolts are respectively in threaded connection with the upper cover body and the lower cover body.
5. The utility model provides a power station underground factory building prevents equipment surface dewfall device of claim 1, characterized in that, negative pressure mechanism includes atmospheric pressure detection sensor, negative pressure pump, negative pressure pipe and check valve, atmospheric pressure detection sensor sets up on the inner wall of the upper shield body, negative pressure pump fixed mounting be in on the lower shield body, negative pressure pipe sets up on negative pressure pump's extraction opening, negative pressure pipe's one end extends to the inside of the lower shield body, the check valve sets up on the negative pressure pipe.
6. The device for preventing the condensation on the surface of the equipment of the hydropower station underground powerhouse according to claim 5, wherein a controller is arranged on the lower cover body, and the controller is electrically connected with the air pressure detection sensor and the negative pressure pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220591029.1U CN217108799U (en) | 2022-03-17 | 2022-03-17 | Device for preventing condensation on surface of equipment of underground powerhouse of hydropower station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220591029.1U CN217108799U (en) | 2022-03-17 | 2022-03-17 | Device for preventing condensation on surface of equipment of underground powerhouse of hydropower station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217108799U true CN217108799U (en) | 2022-08-02 |
Family
ID=82603021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220591029.1U Active CN217108799U (en) | 2022-03-17 | 2022-03-17 | Device for preventing condensation on surface of equipment of underground powerhouse of hydropower station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217108799U (en) |
-
2022
- 2022-03-17 CN CN202220591029.1U patent/CN217108799U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217108799U (en) | Device for preventing condensation on surface of equipment of underground powerhouse of hydropower station | |
| CN209298835U (en) | A kind of disk insulator installation special tooling | |
| CN207456247U (en) | A kind of plate heat exchanger device with insulating, water-resistant cover | |
| CN206273005U (en) | Rain-proof electrically installs cabinet | |
| CN110048672B (en) | Intelligence photovoltaic lightning combiner box | |
| CN115183948A (en) | Nuclear-grade air valve sealing performance detection device and exception handling method | |
| CN204012560U (en) | Forced air cooling device | |
| CN211790066U (en) | Electrical cabinet with heat dissipation and dust removal functions | |
| CN111667983A (en) | System and method for installing built-in sensor of transformer oil valve | |
| CN107255103B (en) | Integral sealing type hydraulic pump station | |
| CN209692169U (en) | A kind of electrical cabinet with water-cooled power converter | |
| CN219589880U (en) | External pressure detection device for junction box | |
| CN201757567U (en) | Vacuum chamber with good sealing performance | |
| CN206360870U (en) | Air compressor machine pipeline self-draining arrangement | |
| CN219954203U (en) | Leakage blocking device for horizontal plane stress release hole of generator end cover | |
| CN214200513U (en) | Tool for inspecting air tightness of motor | |
| CN211787445U (en) | Boiler gas leakage detection device | |
| CN218761726U (en) | Novel flange solenoid valve with protective structure | |
| CN2773442Y (en) | Well-wall sealer | |
| CN203774742U (en) | Intermediate-voltage emergency power interface equipment | |
| CN220583698U (en) | Hydraulic test tool for narrow sealing surface booster shell | |
| CN216621618U (en) | Sealing device | |
| CN217111369U (en) | Open fan gas tightness detection device | |
| CN203532808U (en) | Air sealing type waste heat power generation electric gate valve | |
| Kerui et al. | Typical construction technology and method of UHV main transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |