CN2220552Y - 50 AY60 type single-stage, single-sucking cantilever centrifugal oil pump - Google Patents
50 AY60 type single-stage, single-sucking cantilever centrifugal oil pump Download PDFInfo
- Publication number
- CN2220552Y CN2220552Y CN 94225398 CN94225398U CN2220552Y CN 2220552 Y CN2220552 Y CN 2220552Y CN 94225398 CN94225398 CN 94225398 CN 94225398 U CN94225398 U CN 94225398U CN 2220552 Y CN2220552 Y CN 2220552Y
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- pump
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- impeller
- pump cover
- nut
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- Expired - Fee Related
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Abstract
The utility model discloses a 50AY60 type single-stage, single-suction cantilever centrifugal oil pump, belonging to the petrochemical industry. The utility model is composed of a pump body, an impeller, a pump cover, a threaded stud, a nut, a hanger bracket member, a pump shaft, an impeller nut, and a sealing filler member. The structural style of the original 50Y60 type pump is kept, the installation dimension and the performance parameter are unchanged, the pump body, the impeller, the pump cover, and the hanger bracket member are improved, the efficiency and the running stability of the pump are improved, and the vibration and the noise are reduced. The utility model can be widely used for conveying the petroleum, the liquefied petroleum gas, and other media without containing the solid particle for the refining of the petroleum, the petrochemical industry, the chemical industry, and other places.
Description
The utility model is to belong to a kind of petrochemical industry pump.
At present, 50Y60 type single stage single suction cantilever type centrifugal oil pump, the suspension of the sprung parts of this type pump, the suspension flange diameter that matches with pump cover and the bearing support cylindrical of supporting rotor parts differ greatly, and are generally 2: 1.Between to connect the rib width narrower, rib thickness is thin again, suspension length is long again.Adopt local water-cooled, can not eliminate the bearing ambient heat, the easy heating of bearing portion etc., above-mentioned deficiency is to cause the poor stability of 50Y60 type pump, and generation vibration and noise are bigger during the pump running, and pump efficiency is low, power of motor consumption is big, can not satisfy the needs of modernization construction.User in all parts of the country appeals that it is the new pump at center that pump manufacturer will develop as soon as possible with energy-conservation, or old 50Y60 type pump is undergone technological transformation.
The purpose of this utility model: be in order to solve the suspension poor rigidity of 50Y60 type single stage single suction cantilever type centrifugal oil pump, bearing portion easily generates heat, the 50Y60 type pump poor stability that causes, generation vibration and noise are bigger during running, pump efficiency is low, it is big to wear power of motor, can not satisfy the problem that the petrochemical industry modernization of industry is built needs.Original 50Y60 type pump is improved, satisfy the needs that the petrochemical industry modernization of industry is built.
The purpose of this utility model is achieved in that keep to be inherited under the constant situation of original 50Y60 type single stage single suction cantilever type centrifugal oil pump structural type, installation dimension, performance parameter, and main is to this pump the pump housing (1), impeller (2), pump cover (3) and sprung parts (6) improve as follows:
1. the pump housing (1) improves
The pump housing (with the pump cover match end) outside diameter is Ф 320mm, with the pump cover seam diameter that matches be Ф 255H7mm, with the pump cover diameter that matches be Ф 230mm, with the suction port seal ring diameter that matches be Ф 100H7mm, suction port place diameter is Ф 70mm, base circle diameter (BCD) is Ф 230mm, the volute chamber width is 12.2mm, the suction pipe center is 60mm to volute chamber centre distance, and the volute chamber center is 54mm to the exterior edge face distance, and wall thickness is 15mm;
2. impeller (2) improves
The impeller outer circular diameter is Ф 218mm, impeller length is 82mm, intet diameter is Ф 60mm, the seal ring diameter that matches is Ф 75jS6mm, suction side navel diameter is Ф 40mm, with axle matching hole diameter be Ф 32H7mm, matching hole length is 41.5mm, rear end navel diameter is Ф 45mm, and the back-end sealing ring diameter that matches is Ф 85jS6mm, and impeller water outlet width is 6mm, the impeller front-end face is 42mm to the distance at impeller water outlet center, the number of blade is 5 pieces, and blade shape is a prismatic blade, and subtended angle of blade is 148 °;
3. pump cover (3) improves
The pump cover outside diameter is Ф 320mm, cooperating the seam diameter with the pump housing is Ф 255h6mm, with pump housing fit diameter be Ф 228mm, the seal ring diameter that matches is Ф 108H7mm, front-end face is 40mm to the large end face distance, the pump cover total length is 109mm, the stuffing box bore dia is Ф 80H8mm, and the stuffing box hole length is 77mm, and cooling chamber hole seam diameter is Ф 170H8mm, cooling chamber cylindrical seam diameter is Ф 130e8mm, with suspension positioning spigot diameter be 185h6mm;
4. sprung parts (6) improves
Change original 35 suspensions into improved 45 suspensions, suspension flange outside diameter is Ф 235mm, cooperating the seam diameter with pump cover is Ф 185H7mm, the bearing support outside diameter is Ф 235mm, between to connect the rib width be 128mm, rib thickness is 22.5mm, and suspension length is 278mm, and two bearing spider joint thinnest part wall thickness are 10mm;
Cooling means to the strut bearing body is improved, and improves the back cooling means, and water-cooled is arranged. air cooling. and three kinds of the cold grades of fan, like this can be according to the different serviceability temperatures of pump, territory of use's situation is selected for use, and wherein fan cooled particularly is applicable to the area of lack of water or water quality inferiority.Water-cooled (t＞260 ℃) is to be cast with annular cooling chamber at suspension shaft bearing fore bearing supporting cylindrical, after the sealing, when mobile cooling water cools off the heat of bearing support during by cooling chamber or takes away the purpose that reaches cooling bearing.Air cooling (t＜120 ℃) is that the outer surface in the suspension shaft bearing is cast with radiating fin, and the heat of bearing heating passes on the radiating fin by bearing support, is cooled off by moving air or heat is taken away the purpose that reaches cooling bearing.Fan cold (t=120～260 ℃) is in suspension shaft bearing outer end (tail end) fan guard (10) to be housed, it is to be contained on the pump shaft (7) that fan (11) is arranged in the fan guard (10), fan when pump rotates (11) also rotates, fan (11) rotation makes cold wind pass through fan guard (10) and blows on the sprung parts (6), and the acceleration air flows is cooled off heat or take away and reaches the purpose that cooling bearing seat plays cooling bearing.
Improvement by to the pump housing (1), impeller (2), pump cover (3) meets the flow of fluid Changing Pattern more, and the efficient of pump increases, and reduces and wears power of motor.After the improvement to sprung parts (6), improve pump running security and stability, reduced vibration and noise, played the effect of cooling bearing.
50AY60 type single stage single suction cantilever type centrifugal oil pump after the improvement is by the pump housing (1), impeller (2), pump cover (3), stud bolt (4), nut (5), sprung parts (6), pump shaft (7), impeller nut (8) and stuffing box packing parts (9) are formed, stud bolt (4) is contained in the pump housing (1), on the pump cover (3), stuffing box packing parts (9) are contained in the pump cover (2), sprung parts (6) supporting pump shaft (7), pump cover (3) is enclosed within pump shaft (7) and sprung parts (6) and joins with nut (5) tightly, impeller (2) is contained in pump shaft (7) and goes up with impeller nut (8) tightly, the pump housing (1) and pump cover (3) join with nut (5) tightly, when rotating pump shaft (7), the pump string quantity that assembles evenly nothing is suppressed strength.
The utility model compared with prior art has following advantage:
1. after the improvement to the pump housing (1), impeller (2), pump cover (3), improve 6.7% than the efficient of the 50Y60 type single stage single suction cantilever type centrifugal oil pump of same specification.
2. 35 suspensions of the sprung parts (6) of original 50Y60 type pump are changed into improve 45 suspensions after, improved pump running security and stability, reduce to vibrate phase noise.
3.50AY60 the bearing support cooling means of the sprung parts of type pump has cold three kinds of water-cooled, air cooling, fan, can be according to the different serviceability temperature of pump, and territory of use's situation is selected for use.
4.50AY60 the type pump can be widely used in petroleum refinement, petrochemical industry and chemical industry and other are local carries the oil that do not contain solid particle by, liquefied petroleum gas (LPG) and other media.
Description of drawings:
Fig. 1 is a 50AY60 type single stage single suction cantilever type centrifugal oil pump schematic representation:
(1) pump housing, (2) impeller, (3) pump cover, (4) stud bolt, (5) nut, (6) sprung parts, (7) pump shaft, (8) impeller nut, (9) stuffing box packing parts.
Fig. 2 is the fan cooled structural representation of the bearing support of 50AY60 type single stage single suction cantilever type centrifugal oil pump sprung parts (6):
(10) fan guard, (11) fan
Embodiment
50AY60 type single stage single suction cantilever type centrifugal oil pump, after its middle pump body (1) impeller (2) pump cover (3) and sprung parts (6) improved, through evidence in original 50Y60 type pump performance parameter: flow, lift, rotating speed, net positive suction head, the intake flange diameter, under the discharge opening flange diameter same case, improve the back pump efficiency and improve 6.7%, improving rear suspension intensity and rigidity strengthens, it is stable poor not exist, generation vibration and noise weaken greatly during the pump running, less than state specified standards, it is satisfied to reach the user, and wears power of motor minimizing is also arranged.
Claims (4)
1. 50AY60 type single stage single suction cantilever type centrifugal oil pump that petrochemical industry is used, by the pump housing (1), impeller (2), pump cover (3), stud bolt (4), nut (5), sprung parts (6), pump shaft (7), impeller nut (8) and stuffing box packing parts (9) are formed, stud bolt (4) is contained in the pump housing (1), on the pump cover (3), stuffing box packing parts (9) are contained on the pump cover (3), sprung parts (6) supporting pump shaft (7), pump cover (3) is enclosed within pump shaft (7) and sprung parts (6) and joins with nut (5) tightly, impeller (2), impeller nut (8) is contained on the pump shaft (7), the pump housing (1) and pump cover (3) join with nut (5) tightly, it is characterized in that:
A, the pump housing (1) improve
The pump housing (1) (with the pump cover match end) outside diameter is Ф 320mm, cooperating the positioning spigot diameter with pump cover is Ф 255H7mm, with the pump cover diameter that matches be Ф 230mm, with the suction port seal ring diameter that matches be Ф 100H7mm, suction port place diameter is Ф 70mm, base circle diameter (BCD) is Ф 230mm, the volute chamber width is 12.2mm, the center of suction pipe is 60mm to volute chamber centre distance, and the volute chamber center is 54mm to the exterior edge face distance, and wall thickness is 15mm;
B, impeller (2) improve
The impeller outer circular diameter is Ф 218mm, impeller length is 82mm, intet diameter is Ф 60mm, the seal ring diameter that matches is Ф 75jS6mm, suction side navel diameter is Ф 40mm, with axle matching hole diameter be Ф 32H7Hmm, matching hole length is 41.5mm, rear end navel diameter is Ф 45mm, and the back-end sealing ring diameter that matches is Ф 85jS6mm, and impeller water outlet width is 6mm, the impeller front end is 42mm to impeller water outlet centre distance, the number of blade is 5 pieces, and blade shape is a prismatic blade, and subtended angle of blade is 148 °;
C pump cover (3) improves
The pump cover outside diameter is Ф 320mm, cooperating the positioning spigot diameter with the pump housing is Ф 255h6mm, with pump housing fit diameter be Ф 228mm, the seal ring diameter that matches is Ф 108H7mm, front-end face is 40mm to the large end face distance, the pump cover total length is 109mm, the stuffing box bore dia is Ф 80H8mm, and the stuffing box hole length is 77mm, and cooling chamber hole seam diameter is Ф 170H8mm, cooling chamber cylindrical seam diameter is Ф 130e8mm, with suspension positioning spigot diameter be Ф 185h6mm;
D sprung parts (6) improves
Suspension flange outside diameter is Ф 235mm, cooperating the seam diameter with pump cover is Ф 185H7mm, the bearing support outside diameter is Ф 235mm, between to connect the rib width be 128mm, rib thickness is 22.5mm, suspension length is 278mm, and two bearing support joint thinnest part wall thickness are 10mm, and the cooling means of sprung parts (6) has water-cooled. air cooling. and fan is cold.
2. 50AY60 type single stage single suction cantilever type centrifugal oil pump according to claim 1 is characterized in that the interior block bearing cylindrical of front-end bearing pedestal that is suspension is cast with annular cooling chamber, and after the sealing, mobile cooling water can flow through from cooling chamber.
3. 50AY60 type single stage single suction cantilever type centrifugal oil pump according to claim 1 is characterized in that the outer surface that is the suspension shaft bearing is cast with radiating fin.
4. 50AY60 type single stage single suction cantilever type centrifugal oil pump according to claim 1 is characterized in that being that the strut bearing base rear end is equipped with fan guard (10), and the fan (11) in the fan guard (10) is contained on the pump shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94225398 CN2220552Y (en) | 1994-03-02 | 1994-03-02 | 50 AY60 type single-stage, single-sucking cantilever centrifugal oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94225398 CN2220552Y (en) | 1994-03-02 | 1994-03-02 | 50 AY60 type single-stage, single-sucking cantilever centrifugal oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2220552Y true CN2220552Y (en) | 1996-02-21 |
Family
ID=33838601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94225398 Expired - Fee Related CN2220552Y (en) | 1994-03-02 | 1994-03-02 | 50 AY60 type single-stage, single-sucking cantilever centrifugal oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2220552Y (en) |
-
1994
- 1994-03-02 CN CN 94225398 patent/CN2220552Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |