CN203272163U - Forced circulation pump hydraulic model test device for 600MW thermal power station supercritical boiler - Google Patents
Forced circulation pump hydraulic model test device for 600MW thermal power station supercritical boiler Download PDFInfo
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- CN203272163U CN203272163U CN 201320306423 CN201320306423U CN203272163U CN 203272163 U CN203272163 U CN 203272163U CN 201320306423 CN201320306423 CN 201320306423 CN 201320306423 U CN201320306423 U CN 201320306423U CN 203272163 U CN203272163 U CN 203272163U
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- impeller
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Abstract
The utility model relates to a forced circulation pump hydraulic model test device for a 600MW thermal power station supercritical boiler. The test device is composed of a pump shell assembly, an impeller, a guide vane, a suction horn mouth, a piston ring, a front impeller ring, an impeller nut, a rear impeller ring, a middle plate, a pump cover, a rapid-installation-type mechanical sealing assembly, a bearing suspension component, a pump shaft, a bearing suspension support, a fastening part, a ball bearing and double-row radial-thrust ball bearings. The test device can complete an efficiency test, a cavitation test and various hydraulic performance tests and provide the significant technical basis of the hydraulic component model selection and the optimal design of products.
Description
Technical field: the utility model relates to a kind of 600MW thermal power station super critical boiler with forced circulation pump hydraulic model test device.
Background technique: because of domestic present not thermal power station's super critical boiler forced circulation pump technology, the overcritical strong combined-circulation once-through boiler of thermal power station of existing operation all relies on external import with forced circulation pump.The domestic subcritical boiler forced circulation boiler forced circulation pump that several parameters are also only arranged now, also the flow parameter of subcritical boiler forced circulation pump is large, lift is low, and general rated flow is in 3500～4100 mistakes! Do not find Reference source., lift is generally at 30～32.5m; And the flow parameter of super critical boiler forced circulation pump is little, and lift is high, and general rated flow is in 850～110 mistakes! Do not find Reference source., lift is generally at 90～110m.So the testing apparatus of existing subcritical boiler forced circulation pump hydraulic model can not meet the test of hydraulic model of the overcritical forced circulation pump of present design.
Summary of the invention: the purpose of this utility model is to provide a kind of 600MW thermal power station super critical boiler with the testing apparatus of the test of forced circulation pump test waterpower model efficiency, cavitation experiment, total external characteristic test and force characteristic test, with every hydraulic performance of test water pump hydraulic model.
the technical solution of the utility model is: a kind of 600MW thermal power station super critical boiler is with forced circulation pump hydraulic model test device, testing apparatus is horizontal, by pump case (1), impeller (2), stator (3), suction bell pipe (4), piston ring (5), impeller preoral loop (6), impeller nut (7), ring (8) after impeller, intermediate section (9), pump cover (10), ready-package mechanical seal (11), bearing suspension parts (12), pump shaft (13), bearing suspension support (14) and fastening piece (15) form, the testing apparatus structure is: pump case (1) is that a bottom is with the spherical pressurized water chamber structure of integrated bench shape bearing, suction bell pipe (4) is positioned at the spherical pumping chamber entrance of pump case (1) (1-1) end, stator (3) is fixed with hexagon socket head cap screw (18) part with impeller preoral loop (6), separate with suction bell pipe (4) between the low-pressure cavity of stator (3) export department's hyperbaric chamber and pump case intake section, and seal with piston ring (5), impeller (2) is arranged on an end of pump shaft (13) and with impeller nut (7) locking, impeller (2) is positioned at stator (3) inside, the upper ball bearing (16) of installing of impeller (2) rear portion pump shaft (13), stator (3) is near impeller (2) outlet and as the transition apparatus between impeller (2) and the spherical pumping chamber of pump case (1), pump shaft (13) middle part seals with the cartridge type ready-package mechanical seal (11) of the ripe standard diameter of axle, bearing suspension parts (12) adopt the suspension frame structure of the petrochemical process pump of ripe standard, be connected with pump cover (10), and support by the bearing suspension support (14) of pump shaft (13) the other end, in the bearing suspension parts (12) of corresponding bearing suspension strut (14) Support Position, double-row angular contact ball bearing (17) is set and bears axial force.
Working procedure of the present utility model is:
Pump (13) rotation of motor by rotarily driving testing apparatus, water enters through the suction port (1-1) of pump case (1), the suction bell pipe (4) of flowing through enters impeller (2), water boosts via accelerating after impeller (2) rotation, and the spherical pumping chamber of the stator of flowing through (3), the pump housing (1) flows out by the water outlet (1-2) of pump case (1).
Technological merit of the present utility model is:
1. stable, easy for installation, the overall structure Pass Test device of the utility model safe and reliable operation is often dismantled requirement.Can in the situation that the device pump case is motionless directly will install in the disposable extraction of all parts, convenient in process of the test the waterpower such as replacing impeller and stator section
Part.
2. design adopts two back-to-back load of thrust bearing thereofs too large usually, to heart weak effect, bearing
Temperature rise is too high.The utility model is to guarantee that the safe and reliable operation of pump is stable, has adopted two
The axial force of row angular contact ball bearing carrying rotor makes device keep the axle of certain orientation
To power, allow rotor work under tension state.
3. characteristics of the present utility model are to try with 600MW subcritical boiler forced circulation pump hydraulic model
It is little that experiment device is compared the school size, and the hydraulic parameters flow of tested hydraulic model parts is little,
Lift is high.
4. characteristics of the present utility model are to be provided with two pistons between suction bell pipe and pump case
The ring, the effect one be for have between oviduct and pump case assembly certain gap be easy to the installation,
The 2nd, in order to guarantee between whole stator component fully contact, play stator export department high pressure
Seal action between chamber and suction bell pipe low-pressure cavity, the 3rd, at suction bell pipe and pump
Play certain supplemental support effect between shell component, make stator pack into a single integrated structure.Simultaneously
Two piston rings in the situation that inefficacy another can play equally three above-mentioned works
With, be the structure with double insurance.
5. the utility model shaft sealing of selecting is for for ripe boxlike ready-package mechanical seal, for whole
Body structure, easy for installation, the Pass Test device is the characteristics of dismounting often.
Description of drawings:
Fig. 1 is the utility model testing apparatus structural representation
Embodiment:
the utility model as shown in Figure 1 is a kind of 600MW thermal power station super critical boiler with forced circulation pump hydraulic model test device, be horizontal type structure, by pump case 1, impeller 2, stator 3, suction bell pipe 4, piston ring 5, impeller preoral loop 6, impeller nut 7, encircle 8 after impeller, intermediate section 9, pump cover 10, ready-package mechanical sealing assembly 11, bearing suspension parts 12, pump shaft 13, bearing suspension support 14 and fastening piece 15 form, the testing apparatus structure is: pump case 1 is that a bottom is with the spherical pressurized water chamber structure of integrated bench shape bearing, suction bell pipe 4 is positioned at the spherical pumping chamber entrance of pump case 1 1-1 end, stator 3 is fixing with 18 of impeller preoral loop 6 use hexagon socket head cap screws, separate with suction bell pipe 4 between the low-pressure cavity of stator 3 export department's hyperbaric chambers and pump case intake section, and seal with piston ring 5, impeller 2 is arranged on an end of pump shaft 13 and with impeller nut 7 locking, and impeller 2 is positioned at stator 3 inside, and double-row angular contact ball bearing 16 is installed on impeller 2 rear portion pump shafts 13, stator 3 is near impeller 2 outlets and as the transition apparatus between impeller 2 and the spherical pumping chamber of pump case 1, pump shaft 13 middle parts seal with the ready-package mechanical seal 11 of the ripe standard diameter of axle, bearing suspension parts 12 adopt the suspension frame structure of the petrochemical process pump of ripe standard, be connected with pump cover 10, and support by the bearing suspension support 14 of pump shaft 13 the other ends, the interior double-row angular contact ball bearing 17 that arranges of bearing suspension parts 12 of corresponding bearing suspension strut 14 Support Positions bears axial force.
Claims (1)
1. a 600MW thermal power station super critical boiler is with forced circulation pump hydraulic model test device, it is characterized in that: testing apparatus is horizontal, by pump case (1), impeller (2), stator (3), suction bell pipe (4), piston ring (5), impeller preoral loop (6), impeller nut (7), ring (8) after impeller, intermediate section (9), pump cover (10), mechanical sealing assembly (11), bearing suspension parts (12), pump shaft (13), bearing suspension support (14) and fastening piece (15) form, the testing apparatus structure is: pump case (1) is that a bottom is with the spherical pressurized water chamber structure of integrated bench shape bearing, suction bell pipe (4) is positioned at the spherical pumping chamber entrance of pump case (1) (1-1) end, stator (3) is fixed with hexagon socket head cap screw (18) part with impeller preoral loop (6), separate with suction bell pipe (4) between the low-pressure cavity of stator (3) export department's hyperbaric chamber and pump case intake section, and seal with piston ring (5), impeller (2) is arranged on an end of pump shaft (13) and with impeller nut (7) locking, impeller (2) is positioned at stator (3) inside, the upper ball bearing (16) of installing of impeller (2) rear portion pump shaft (13), stator (3) is near impeller (2) outlet and as the transition apparatus between impeller (2) and the spherical pumping chamber of pump case (1), pump shaft (13) middle part seals with the ready-package mechanical seal (11) of the ripe standard diameter of axle, bearing suspension parts (12) adopt the suspension frame structure of the petrochemical process pump of ripe standard, be connected with pump cover (10), and support by the bearing suspension support (14) of pump shaft (13) the other end, in the bearing suspension parts (12) of corresponding bearing suspension strut (14) Support Position, double-row angular contact ball bearing (17) is set and bears axial force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320306423 CN203272163U (en) | 2013-05-31 | 2013-05-31 | Forced circulation pump hydraulic model test device for 600MW thermal power station supercritical boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320306423 CN203272163U (en) | 2013-05-31 | 2013-05-31 | Forced circulation pump hydraulic model test device for 600MW thermal power station supercritical boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272163U true CN203272163U (en) | 2013-11-06 |
Family
ID=49502590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320306423 Expired - Fee Related CN203272163U (en) | 2013-05-31 | 2013-05-31 | Forced circulation pump hydraulic model test device for 600MW thermal power station supercritical boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321939A (en) * | 2013-05-31 | 2013-09-25 | 哈尔滨电气动力装备有限公司 | Testing device for forced circulation pump hydraulic model for 600MW thermal power plant ultra-supercritical boiler |
| CN104533807A (en) * | 2014-12-17 | 2015-04-22 | 哈尔滨电气动力装备有限公司 | Auxiliary impeller hydraulic model testing device |
-
2013
- 2013-05-31 CN CN 201320306423 patent/CN203272163U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321939A (en) * | 2013-05-31 | 2013-09-25 | 哈尔滨电气动力装备有限公司 | Testing device for forced circulation pump hydraulic model for 600MW thermal power plant ultra-supercritical boiler |
| CN104533807A (en) * | 2014-12-17 | 2015-04-22 | 哈尔滨电气动力装备有限公司 | Auxiliary impeller hydraulic model testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |