CN110345084A - A kind of ASME evidence obtaining simple structure type centrifugal pump - Google Patents
A kind of ASME evidence obtaining simple structure type centrifugal pump Download PDFInfo
- Publication number
- CN110345084A CN110345084A CN201910752898.0A CN201910752898A CN110345084A CN 110345084 A CN110345084 A CN 110345084A CN 201910752898 A CN201910752898 A CN 201910752898A CN 110345084 A CN110345084 A CN 110345084A
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- CN
- China
- Prior art keywords
- pump
- base
- asme
- evidence obtaining
- motor
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Abstract
The invention discloses a kind of ASME evidence obtaining simple structure type centrifugal pumps, including first base, second base, the pump housing, pump cover, mechanical seal cover, bearing body, shaft coupling and motor, the pump housing, pump cover, mechanical seal cover, bearing body, shaft coupling and motor are sequentially coaxially arranged from left to right；The left end of the pump housing is provided with suction flange, and top is provided with outlet(discharge) flange；The pump cover is connected with the right end of the pump housing, and the pump cover is connected with one end of the bearing body, and the mechanical seal cover is arranged between the pump cover and bearing body；The other end of the bearing body is connected by the shaft coupling with the motor；The outer cup of the shaft coupling is connected to coupling guard.ASME evidence obtaining simple structure type centrifugal pump of the invention, structure are simple, convenient for disassembly and assembly, easy to repair；Core primary pump pressure-containing member is designed and manufactured according to the standard of highest level using the pump of simplest structure to meet the requirement of evidence obtaining.
Description
Technical field
The present invention relates to a kind of ASME evidence obtaining simple structure type centrifugal pumps.
Background technique
Cooling circulating water pump in the closed cooling system of southern china nuclear power plant (simulation power station) No.1 unit utilizes
The heat in other equipment is taken away in the flowing of coolant, and cooling circulating water pump grade is core level-one.It needs to design and suitably set
Count cooling of the ASME evidence obtaining with simulating piece come simulation application in the closed cooling system of southern china nuclear power plant No.1 unit
Pressure-containing member (pump housing, pump cover, mechanical seal cover) on water circulating pump, and then carry out various ASME evidence obtainings.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of ASME evidence obtaining simple structure type centrifugal pump is provided,
Structure is simple, convenient for disassembly and assembly, easy to repair；Core is designed and manufactured according to the standard of highest level using the pump of simplest structure
Primary pump pressure-containing member meets the requirement of evidence obtaining.
Realizing the technical solution of above-mentioned purpose is: a kind of ASME evidence obtaining simple structure type centrifugal pump, including first base,
Second base, the pump housing, pump cover, mechanical seal cover, bearing body, shaft coupling and motor, in which:
The pump housing, pump cover, mechanical seal cover, bearing body, shaft coupling and motor are sequentially coaxially arranged from left to right；
The pump housing is bolted in the first base, and the motor is bolted on the pedestal
On, the bottom end of the second base is bolted in the first base, and the bearing body is bolted on institute
State the top of second base；
The left end of the pump housing is provided with suction flange, and top is provided with outlet(discharge) flange；
The pump cover is connected with the right end of the pump housing, and the pump cover is connected with one end of the bearing body, the machinery
Sealing gland is arranged between the pump cover and bearing body；
The other end of the bearing body is connected by the shaft coupling with the motor；
The outer cup of the shaft coupling is connected to coupling guard, and the bottom end of the coupling guard is fixed on the first base
On.
Above-mentioned a kind of ASME evidence obtaining simple structure type centrifugal pump, wherein the shaft coupling uses flexible sheet shaft coupling
Device.
Above-mentioned a kind of ASME evidence obtaining simple structure type centrifugal pump, wherein the pump housing uses SA-216M Gr.WCB
Material is made；The mechanical seal cover and pump cover are made of SA-105M material；The bolt uses SA-193M Gr.B7
Material is made, and the nut used with the bolt matching is made of SA-194M Gr.2H material；The first base and second
Pedestal is respectively adopted SA-516M Gr.485 material and is made.
Above-mentioned a kind of ASME evidence obtaining simple structure type centrifugal pump, wherein ASME N-type is provided on the bearing body
Nameplate.
Above-mentioned a kind of ASME evidence obtaining simple structure type centrifugal pump, wherein the pump housing uses one step single sucking structure.
Above-mentioned a kind of ASME evidence obtaining simple structure type centrifugal pump, wherein the top of the first base is provided with pump
The first base is arranged in body support, intermediate support and motor support base, the pump body support and motor support base correspondingly
Top left and right sides, the intermediate support is arranged between the pump body support and motor support base；The pump housing passes through bolt
It is fixed in the pump body support, the motor is bolted on the motor support base, the bottom end of the second base
It is bolted on the intermediate support.
ASME evidence obtaining simple structure type centrifugal pump of the invention, structure are simple, convenient for disassembly and assembly, easy to repair；Using most
The pump of simple structure designs and manufactures core primary pump pressure-containing member according to the standard of highest level to meet the requirement of evidence obtaining, excellent
Point is that structure is simple, and manufacture requires to be more easily satisfied, and material can demonstrate impact property satisfaction evidence obtaining and require.
Detailed description of the invention
Fig. 1 is the main view that simple structure type centrifugal pump is used in ASME evidence obtaining of the invention；
Fig. 2 is the side view that simple structure type centrifugal pump is used in ASME evidence obtaining of the invention；
Fig. 3 is the cross-sectional view of the pump housing of ASME evidence obtaining simple structure type centrifugal pump of the invention；
Fig. 4 is the structure chart of the first base of ASME evidence obtaining simple structure type centrifugal pump of the invention.
Specific embodiment
It is right with reference to the accompanying drawing in order to make those skilled in the art be better understood when technical solution of the present invention
Its specific embodiment is described in detail:
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, highly preferred embodiment of the present invention, a kind of ASME evidence obtaining with simple structure type from
Heart pump, including first base 1, second base 2, the pump housing 3, pump cover 4, mechanical seal cover 5, bearing body 6, shaft coupling 7 and motor
8。
The pump housing 3, pump cover 4, mechanical seal cover 5, bearing body 6, shaft coupling 7 and motor 8 are sequentially coaxially arranged from left to right；
The top of first base 1 is provided with pump body support 11, intermediate support 12 and motor support base 13, pump body support 11 and motor support base 13
The left and right sides on the top of first base 1 is set correspondingly, and intermediate support 12 is arranged in pump body support 11 and motor support base
Between 13；The pump housing 3 is bolted in pump body support 11, and motor 8 is bolted on motor support base 13, the second bottom
The underrun of seat 2 is fixed on intermediate support 13 in bolt.Bearing body 6 is bolted on the top of second base 2
The pump housing 3 is one step single sucking structure；The left end of the pump housing 3 is provided with suction flange 31, and top is provided with outlet(discharge) flange 32,
The axial pump body structure for sucking, being radially discharged is formed in this way.Suction flange 31 uses DN200 flange；Outlet(discharge) flange 32 uses
DN150 flange.
Pump cover 4 is connected with the right end of the pump housing 3, and pump cover 4 is connected with one end of bearing body 6, and the setting of mechanical seal cover 5 is pumping
Between lid 4 and bearing body 6；The other end of bearing body 6 is connected by shaft coupling 7 with motor 8；Shaft coupling 7 is joined using flexible sheet
Axis device.The outer cup of shaft coupling 7 is connected to coupling guard 9, and the bottom end of coupling guard 9 is fixed in first base 1.
Motor nameplate 81 is provided on motor 8.ASME N-type nameplate is provided on bearing body 6, ASME N-type nameplate should
It is prepared according to NCA-8000.
ASME evidence obtaining simple structure type centrifugal pump of the invention is one step single sucking, horizontal, axially sucking, radial discharge
Centrifugal pump, pump driven by 50Hz alternating current generator, type of shaft sealing utilize mechanical seal pattern, pump motor between by elastic membrane
The connection of piece shaft coupling.It is end face from the end face of pump inlet flange to outlet(discharge) flange for the boundary ASME, pump cover, mechanical close
The common support of sealed cover and pump and motor assembly.
ASME evidence obtaining simple structure type centrifugal pump of the invention, the design of centrifugal pump should according to NB-3100,3200,
3400 requirement carries out, and supporting element is designed according to NF standard, and the material of pressure-bearing boundary should abide by ASME Section III
The requirement of Subsection NB-2000, II defined of NF-2000and ASME Section.Due in order to collect evidence can preferably
Situations such as impact property of presentation material, according to the actual situation and various aspects factor, selection material are as follows: the pump housing 3 uses SA-
216M Gr.WCB material is made；Mechanical seal cover 5 and pump cover 4 are made of SA-105M material；Bolt uses SA-193M
Gr.B7 material is made, and the nut used with bolt matching is made of SA-194M Gr.2H material；First base 1 and the second bottom
Seat 2 is respectively adopted SA-516M Gr.485 material and is made.
Manufacture requires to be carried out according to ASME NB-4000 and NF-4000, lossless requirement according to ASME Section III,
Division 1, Subsection NB, NF and Section V, the water pressure test are carried out according to NB-6000.
ASME evidence obtaining simple structure type centrifugal pump of the invention, Centrifugal Pump Design parameter are as follows: design pressure (inside)
For 1.6Mpa；Design temperature is 65 DEG C；Operating pressure is 0.6MPa；Operation temperature is 45 DEG C；Test pressure be 2.0~
2.11MPa, test temperature be 15~40 DEG C, metered flow 360m3/h；Rated head is 45m；The efficiency of pump is 80%；Cavitation erosion
Surplus is 5m；Rated speed is 1450r/min；Permission corrosion allowance is 1.0mm；External pressure is atmospheric pressure；External environment temperature
Degree is 15 DEG C~40 DEG C
The pressure-containing member of pump is designed according to the grade of ASME core primary pump, for the impact of better presentation material
Pressure-containing member material can be selected for carbon steel material, pump support (first base 1 and second base 2) is welded by carbon sheet.
ASME evidence obtaining simple structure type centrifugal pump of the invention, is designed using the standard of core level-one；To demonstrate material
Material impact property material of main part selects carbon steel material as core level-one material pump；Pump support (first base 1 and second base 2) by
Carbon sheet is welded, and meets ASME NF standard.But ASME evidence obtaining of the invention is one with simple structure type centrifugal pump
Kind ASME evidence obtaining simulating piece can only demonstrate impact property satisfaction evidence obtaining and want the disadvantage is that cannot directly use as product
It asks.
ASME evidence obtaining simple structure type centrifugal pump of the invention, when in use, according to the standard of material, bond material
Thickness is increased in the Purchasing specification book of material using the material that cannot exempt impact in the parameter selections ASME standard such as temperature
The requirement of impact, so that ASME material supplier is embodied in the requirement that material carries out impact test and reaches ASME standard
In CMTR.
In conclusion ASME evidence obtaining simple structure type centrifugal pump of the invention, structure is simple, it is convenient for disassembly and assembly, convenient for dimension
It repairs；Core primary pump pressure-containing member is designed and manufactured according to the standard of highest level using the pump of simplest structure to meet evidence obtaining
Requirement, advantage is that structure is simple, manufacture require be more easily satisfied, material can demonstrate impact property meet evidence obtaining require.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen within the scope of claims of the present invention.
Claims (6)
1. a kind of ASME evidence obtaining simple structure type centrifugal pump, which is characterized in that including first base, second base, the pump housing, pump
Lid, mechanical seal cover, bearing body, shaft coupling and motor, in which:
The pump housing, pump cover, mechanical seal cover, bearing body, shaft coupling and motor are sequentially coaxially arranged from left to right；
The pump housing is bolted in the first base, and the motor is bolted on the pedestal, institute
The bottom end for stating second base is bolted in the first base, and the bearing body is bolted on described second
The top of pedestal；
The left end of the pump housing is provided with suction flange, and top is provided with outlet(discharge) flange；
The pump cover is connected with the right end of the pump housing, and the pump cover is connected with one end of the bearing body, the mechanical seal
Gland is arranged between the pump cover and bearing body；
The other end of the bearing body is connected by the shaft coupling with the motor；
The outer cup of the shaft coupling is connected to coupling guard, and the bottom end of the coupling guard is fixed in the first base.
2. a kind of ASME evidence obtaining simple structure type centrifugal pump according to claim 1, which is characterized in that the shaft coupling
Using flexible sheet shaft coupling.
3. a kind of ASME evidence obtaining simple structure type centrifugal pump according to claim 1, which is characterized in that the pump housing is adopted
It is made of SA-216M Gr.WCB material；The mechanical seal cover and pump cover are made of SA-105M material；The bolt is adopted
It is made of SA-193M Gr.B7 material, the nut used with the bolt matching is made of SA-194M Gr.2H material；Institute
It states first base and second base is respectively adopted SA-516M Gr.485 material and is made.
4. a kind of ASME evidence obtaining simple structure type centrifugal pump according to claim 1, which is characterized in that the bearing body
On be provided with ASME N-type nameplate.
5. a kind of ASME evidence obtaining simple structure type centrifugal pump according to claim 1, which is characterized in that the pump housing is adopted
With one step single sucking structure.
6. a kind of ASME evidence obtaining simple structure type centrifugal pump according to claim 1, which is characterized in that first bottom
The top of seat is provided with pump body support, intermediate support and motor support base, and the pump body support and motor support base are set correspondingly
The left and right sides on the top of the first base is set, the intermediate support is arranged between the pump body support and motor support base；
The pump housing is bolted in the pump body support, and the motor is bolted on the motor support base, institute
The bottom end for stating second base is bolted on the intermediate support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752898.0A CN110345084A (en) | 2019-08-15 | 2019-08-15 | A kind of ASME evidence obtaining simple structure type centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752898.0A CN110345084A (en) | 2019-08-15 | 2019-08-15 | A kind of ASME evidence obtaining simple structure type centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345084A true CN110345084A (en) | 2019-10-18 |
Family
ID=68185090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910752898.0A Pending CN110345084A (en) | 2019-08-15 | 2019-08-15 | A kind of ASME evidence obtaining simple structure type centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110345084A (en) |
-
2019
- 2019-08-15 CN CN201910752898.0A patent/CN110345084A/en active Pending
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