CN212407050U - Welding type water bottom valve for centrifugal pump - Google Patents
Welding type water bottom valve for centrifugal pump Download PDFInfo
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- CN212407050U CN212407050U CN202022098729.0U CN202022098729U CN212407050U CN 212407050 U CN212407050 U CN 212407050U CN 202022098729 U CN202022098729 U CN 202022098729U CN 212407050 U CN212407050 U CN 212407050U
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- water tank
- bottom valve
- centrifugal pump
- welded
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Abstract
The utility model discloses a welded type bottom valve on water for centrifugal pump, including the water tank, the inside of water tank is equipped with the inlet tube along the direction of height of water tank, and in the one end of inlet tube stretched into the water tank, the other end of inlet tube stretched out from the bottom of water tank, and bottom one side of water tank is equipped with the outlet pipe, and the lower extreme of water tank passes through the base and supports, and the top of water tank is equipped with the gas vent, and the bottom of water tank is equipped with the outlet. The problem of the maintenance that current bottom valve exists inconvenient and awkward is solved.
Description
Technical Field
The utility model belongs to the technical field of the welding is made, a welding formula bottom valve on water for centrifugal pump is related to.
Background
The bottom valve for the existing centrifugal pump has two standard bottom valves which are arranged below the water surface and above the water surface. When the bottom valve installed below the water surface breaks down, the water in the water tank needs to be emptied and then leaks out of the valve body, so that the maintenance can be carried out; the standard bottom valve installed above the water surface is easy to scale between the valve rod and the cylinder body to cause the valve rod to be blocked, and sewage is cleaned and water is injected before the water system is started each time; according to the production requirement, a bottom valve which is stable and reliable in operation and convenient to overhaul is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a welded type bottom valve on water for centrifugal pump has solved current bottom valve under water and has installed the problem that the easy scale deposit of bottom valve core blocked in the maintenance difficulty of pond bottom and on water.
The utility model discloses the technical scheme who adopts is, a welding formula bottom valve on water for centrifugal pump, including the water tank, the inside of water tank is equipped with the inlet tube along the direction of height of water tank, and in the one end of inlet tube stretched into the water tank, the other end of inlet tube stretched out from the bottom of water tank, and bottom one side of water tank is equipped with the outlet pipe, and the lower extreme of water tank passes through the base and supports, and the top of water tank is equipped with the gas vent, and the bottom of water tank is equipped with the outlet.
The utility model is also characterized in that,
the front of the water tank is provided with an access hole.
A liquid level meter is arranged in the water tank.
The water tank has one of a rectangular parallelepiped, cylindrical or spherical structure.
One end of the water inlet pipe extending out of the water tank is connected with the upper end of a vertically arranged water suction pipe through a flange, and the lower end of the water suction pipe extends into the water tank; the water outlet pipe is connected with a water inlet of the water pump.
The volume V of the water quantity which can be stored in the water tank is larger than the volume V of the water suction pipe1Volume V of water inlet pipe2And (4) summing.
Diameter D of the outlet pipe1Is more than or equal to the diameter D of the water inlet of the water pump, the diameter D of the water inlet pipe2Diameter D of water outlet pipe1The dimensions are the same.
The distance H between the upper end of the water inlet pipe and the top of the water tank and the diameter D of the water inlet pipe2The same is true.
The water tank is formed by welding steel plates, and the thickness of each steel plate is not less than 10 mm.
The water inlet pipe and the water outlet pipe are thick-wall seamless pipes with the thickness of more than 10 mm.
The beneficial effects of the utility model are that, the utility model provides a welding formula bottom valve on water for centrifugal pump is equipped with the access hole in the front of water tank, and it is convenient to overhaul, in addition, injects water into bottom valve and water pump earlier before the water pump starts, and the water level height in the water tank of bottom valve is the same as the height that the inlet tube stretches into in the water tank; when the water pump is started to operate, the water in the water pool is sucked into the water tank through the water inlet pipe and the water suction pipe by overcoming the atmospheric pressure, then enters the water pump, and is discharged from the water outlet of the water pump. The problem of scale deposit can not appear, consequently, the utility model provides a bottom valve is the best substitute product of bottom valve and above-water formula bottom valve below the present surface of water.
Drawings
Fig. 1 is a schematic structural view of a welded water bottom valve for a centrifugal pump according to the present invention;
fig. 2 is the utility model relates to a welded formula bottom valve on water structure that is connected with pond and water pump for centrifugal pump shows.
In the figure, 1, a water tank, 2, a water inlet pipe, 3, a water outlet pipe, 4, an exhaust port, 5, a water outlet, 6, an access port, 7, a liquid level meter, 8, a base support, 9, a water tank, 10, a water pump and 11, a water suction pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a welding formula bottom valve on water for centrifugal pump, as shown in fig. 1, including water tank 1, the inside of water tank 1 is equipped with inlet tube 2 along the direction of height of water tank, and in inlet tube 2's one end stretched into water tank 1, the other end of inlet tube 2 stretched out from water tank 1's bottom, and bottom one side of water tank 1 was equipped with outlet pipe 3, and the lower extreme of water tank 1 passes through the base and supports 8, and water tank 1's top is equipped with gas vent 4, and water tank 1's bottom is equipped with outlet 5.
The front of the water tank 1 is provided with an access hole 6.
A liquid level meter 7 is arranged in the water tank 1.
The water tank 1 has one of a rectangular parallelepiped, cylindrical or spherical structure.
As shown in fig. 2, one end of the water inlet pipe 2 extending out of the water tank is connected with the upper end of a vertically arranged water suction pipe 11 through a flange, and the lower end of the water suction pipe 11 extends into the water tank 9; the water outlet pipe 3 is connected with the water inlet of the water pump 10.
The volume V of the water volume which can be stored in the water tank 1 is larger than the volume V of the suction pipe 111Volume V of water inlet pipe 22And (4) summing.
Diameter D of the outlet pipe 31Is more than or equal to the diameter D of the water inlet of the water pump 10 and the diameter D of the water inlet pipe 22With the diameter D of 3 of the water outlet pipe1The dimensions are the same.
The distance H between the upper end of the water inlet pipe 2 and the top of the water tank 1 and the diameter D of the water inlet pipe2The same is true.
The water tank 1 is formed by welding steel plates, and the thickness of each steel plate is not less than 10 mm.
The water inlet pipe 2 and the water outlet pipe 3 are thick-wall seamless pipes with the thickness of more than 10 mm. The inner and outer welding seams are continuously welded.
After the water tank 1 is finished, a leakage test and a vacuum test are performed. The pressure of the water tank vacuum degree test is not less than 1.6MPa, the duration is 30 minutes, and the pressure drop is not more than 0.1MPa, so that the product is qualified.
The utility model relates to a centrifugal pump is with welded formula bottom valve on water's application method does, and 3 one end of outlet pipe are connected with the water inlet of water pump 10, and the one end of inlet tube 2 is connected with the pipe 11 that absorbs water of pond 9. Before the water pump 10 is started, water is injected into the bottom valve and the water pump 10, and the height of the water level in the water tank 1 of the bottom valve is consistent with the height of the water inlet pipe 2 extending into the water tank 1; when the water pump 10 is started to operate, water in the water tank 9 is sucked into the water tank 1 through the water inlet pipe 2 and the water suction pipe 11 by overcoming atmospheric pressure, then enters the water pump 10, and is discharged from a water outlet of the water pump 10. The bottom valve has the advantages of reasonable design, advanced manufacturing process and convenient installation, use and maintenance, and is the best substitute product for the bottom valve below the water surface and the water-borne bottom valve at present.
Claims (10)
1. The utility model provides a welding formula bottom valve on water for centrifugal pump which characterized in that: including the water tank, the inside of water tank is equipped with the inlet tube along the direction of height of water tank, and in the one end of inlet tube stretched into the water tank, the other end of inlet tube stretched out from the bottom of water tank, and bottom one side of water tank is equipped with the outlet pipe, and the lower extreme of water tank passes through the base and supports, and the top of water tank is equipped with the gas vent, and the bottom of water tank is equipped with the outlet.
2. The welded water bottom valve for the centrifugal pump according to claim 1, wherein: and the front side of the water tank is provided with an access hole.
3. The welded water bottom valve for the centrifugal pump according to claim 1, wherein: a liquid level meter is arranged in the water tank.
4. The welded water bottom valve for the centrifugal pump according to claim 1, wherein: the water tank is in one of a rectangular parallelepiped, cylindrical or spherical structure.
5. The welded water bottom valve for the centrifugal pump according to claim 1, wherein: one end of the water inlet pipe, which extends out of the water tank, is connected with the upper end of a vertically arranged water suction pipe through a flange, and the lower end of the water suction pipe extends into the water tank; the water outlet pipe is connected with a water inlet of the water pump.
6. The welded water bottom valve for the centrifugal pump according to claim 5, wherein: the volume V of the water volume which can be stored in the water tank is larger than the volume V of the water suction pipe1Volume V of water inlet pipe2And (4) summing.
7. The welded water bottom valve for the centrifugal pump according to claim 5, wherein: diameter D of the water outlet pipe1Is more than or equal to the diameter D of the water inlet of the water pump, the diameter D of the water inlet pipe2Diameter D of water outlet pipe1The dimensions are the same.
8. The welded water bottom valve for the centrifugal pump according to claim 7, wherein: distance H between upper end of water inlet pipe and top of water tank and diameter D of water inlet pipe2The same is true.
9. The welded water bottom valve for the centrifugal pump according to claim 7, wherein: the water tank is formed by welding steel plates, and the thickness of each steel plate is not less than 10 mm.
10. The welded water bottom valve for the centrifugal pump according to claim 1, wherein: the water inlet pipe and the water outlet pipe are thick-wall seamless pipes with the thickness of more than 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022098729.0U CN212407050U (en) | 2020-09-23 | 2020-09-23 | Welding type water bottom valve for centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022098729.0U CN212407050U (en) | 2020-09-23 | 2020-09-23 | Welding type water bottom valve for centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212407050U true CN212407050U (en) | 2021-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022098729.0U Active CN212407050U (en) | 2020-09-23 | 2020-09-23 | Welding type water bottom valve for centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212407050U (en) |
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2020
- 2020-09-23 CN CN202022098729.0U patent/CN212407050U/en active Active
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