CN205400825U - Low temperature and low pressure heat supply network circulating pump steam turbine - Google Patents
Low temperature and low pressure heat supply network circulating pump steam turbine Download PDFInfo
- Publication number
- CN205400825U CN205400825U CN201620159246.8U CN201620159246U CN205400825U CN 205400825 U CN205400825 U CN 205400825U CN 201620159246 U CN201620159246 U CN 201620159246U CN 205400825 U CN205400825 U CN 205400825U
- Authority
- CN
- China
- Prior art keywords
- steam
- vaporium
- impeller blade
- cylinder
- low
- 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.)
- Expired - Fee Related
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a low temperature and low pressure heat supply network circulating pump steam turbine, it drags the steam turbine field to belong to industry, fixed front axle bearing of chassis both ends support and rear axle bearing, the main shaft is through setting up in the front, bearing in the rear axle bearing supports, it is preceding, set up the cylinder between the rear axle bearing, set up the steam chamber in the cylinder, the steam chamber passes through the baffle and separates for a left side, right side steam chamber, a left side, a left side is connected respectively to right side steam chamber, right side steam inlet, on a left side, the fast valve that closes of admission is do not established in right side steam inlet punishment, correspond a left side, right side steam chamber sets up the injector set in the cylinder, the play steam ports of injector set is with first be listed as impeller blade and secondary series impeller blade is corresponding, it turns to the diffusion vane ring to set up between first impeller blade of being listed as and the secondary series impeller blade, the cylinder bottom sets up a left side, right side steam drain, the electronic barring of front -end of spindle installation. The utility model discloses simple structure, reasonable in design can energy saving and consumption reduction, reduces the plant maintenance cost, can effectively reduce the trouble incidence again.
Description
Technical field
This utility model relates to a kind of low-temp low-pressure pumps for hot water supply net steam turbine, belongs to industry and drags steam turbine field.
Background technology
Due to pressure, to have volume flow at the low temperature and low pressure steam of below 0.8MPa big, the feature that steam enthalpy is low, the existing steam turbine in this, as working media is limited because of the condition bigger by steam specific volume, unit capacity is less, internal efficiency is low, the schemes (as shown in Figure 1) adopting the Trinitarian motor supplemental capacity of steam turbine+motor+water circulating pump when being used for dragging big flow water circulating pump more, but, water circulating pump acting still needs to power consumption, can not thoroughly realize the purpose saved energy and reduce the cost, and driven equipment redundancy, cost of equipment maintenance and rate of breakdown are higher.
Utility model content
According to above deficiency of the prior art, problem to be solved in the utility model is: provide a kind of simple in construction, reasonable in design, can save energy and reduce the cost, reduce cost of equipment maintenance, can effectively reduce again the low-temp low-pressure pumps for hot water supply net steam turbine of rate of breakdown.
This utility model solves its technical problem and be the technical scheme is that
nullDescribed low-temp low-pressure pumps for hot water supply net steam turbine，Including chassis and the turbine body being arranged on chassis，The extreme end of chassis supports rear bearing block by support，Chassis front end supports front-end bearing pedestal by support and axial feather key，Main shaft is by being arranged on the bearings in front-end bearing pedestal and rear bearing block，Cylinder is set between front-end bearing pedestal and rear bearing block，Cylinder connects front-end bearing pedestal and rear bearing block respectively，Vaporium is set in cylinder，Vaporium is divided into left vaporium and right vaporium by dividing plate，Left vaporium and right vaporium connect left steam inlet and right steam inlet respectively，It is respectively provided with one at left steam inlet and right steam inlet place and enters vapour quick-closing valve，The venthole of corresponding left vaporium and right vaporium arranges nozzle sets in cylinder，The venthole of nozzle sets is corresponding with first row impeller blade and secondary series impeller blade，Arrange between first row impeller blade and secondary series impeller blade and turn to guide vane ring，Cylinder foot arranges left bank steam ports and right steam drain，Front-end bearing pedestal front end arranges electric barring，Electric barring is connected with main shaft.
Vaporium is left vaporium and right vaporium left and right two halves by dividing plate by described low-temp low-pressure pumps for hot water supply net steam turbine, and arrange into vapour quick-closing valve at left steam inlet and right steam inlet place, the throttle flow of steam can be effectively increased, achieve two independent adjustments entering vapour quick-closing valve, reduce the restriction loss of nozzle.The electric barring equipment increased at front-end of spindle replaces hand turning, facilitates the start and stop jiggering of steam turbine to operate, and simple in construction is reasonable in design, can save energy and reduce the cost, and reduces cost of equipment maintenance, can effectively reduce again rate of breakdown.
Preferred further, turbine body connects the first water circulating pump by diaphragm coupling.Water circulating pump can be driven completely by steam turbine, save power consumption, energy-conserving and environment-protective.
Preferred further, main shaft is supported by the bearing shell of bearing.Reduce the friction loss of bearing.
Preferred further, the height of first row impeller blade and secondary series impeller blade is 40mm-55mm.Impeller blade height is increased to 40mm-55mm by original 20mm-25mm, adds steam flow area in steam turbine；Nozzle, impeller, turn to guide vane ring diameter to be increased to 1600mm by original 1040mm, further increase the internal efficiency of steam turbine.
This utility model is had the beneficial effect that
Low-temp low-pressure pumps for hot water supply net steam turbine described in the utility model solves the problem utilizing low temperature and low pressure steam acting to drive circulation pump of heat-supply network, the fully utilized Steam Turbine Driven of equipment, take full advantage of the heat enthalpy value of low temperature and low pressure steam, save power consumption, the advantage with energy-conserving and environment-protective, the electric barring equipment simultaneously increased replaces hand turning, the start and stop jiggering facilitating steam turbine operates, simple in construction, reasonable in design, can save energy and reduce the cost, reduce cost of equipment maintenance, can effectively reduce again rate of breakdown.
Accompanying drawing explanation
Fig. 1 is that existing type drags powerful device structural representation；
Fig. 2 is contour structures front view of the present utility model；
Fig. 3 is contour structures top view of the present utility model；
Fig. 4 is contour structures right view of the present utility model；
Fig. 5 is the A-A sectional view of this utility model Fig. 2；
Fig. 6 is steam turbine axonometric chart of the present utility model；
Fig. 7 is steam turbine sectional view of the present utility model；
In figure, 1, cylinder；2, nozzle sets；3, guide vane ring is turned to；4. packing；5, front-end bearing pedestal；6, rear bearing block；7, bearing shell；8, main shaft；9, secondary series impeller blade；10, first row impeller blade；11, chassis；12, vapour quick-closing valve is entered；13, electric barring；14, left bank steam ports；15, right steam drain；16, turbine body；17, diaphragm coupling；18, the first water circulating pump；19, vaporium；20, motor；21, shaft coupling；22, the second water circulating pump；23, steam turbine；24, left steam inlet；25, right steam inlet；26, left vaporium；27, right vaporium；28, dividing plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
nullAs shown in Fig. 1-Fig. 7，Low-temp low-pressure pumps for hot water supply net steam turbine described in the utility model，Including chassis 11 and the turbine body 16 being arranged on chassis 11，Turbine body 16 connects the first water circulating pump 18 by diaphragm coupling 17，Rear end, chassis 11 supports rear bearing block 6 by support，Front end, chassis 11 supports front-end bearing pedestal 5 by support and axial feather key，Main shaft 8 is by being arranged on the bearings in front-end bearing pedestal 5 and rear bearing block 6，Main shaft 8 is supported by the bearing shell 7 of bearing，Cylinder 1 is set between front-end bearing pedestal 5 and rear bearing block 6，Cylinder 1 connects front-end bearing pedestal 5 and rear bearing block 6 respectively，Packing 4 is set between cylinder 1 and main shaft 8，Vaporium 19 is set in cylinder 1，Vaporium 19 is divided into left vaporium 26 and right vaporium 27 by dividing plate 28，Left vaporium 26 and right vaporium 27 connect left steam inlet 24 and right steam inlet 25 respectively，It is respectively provided with one at left steam inlet 24 and right steam inlet 25 place and enters vapour quick-closing valve 12，The venthole of corresponding left vaporium 26 and right vaporium 27 arranges nozzle sets 2 in cylinder 1，The venthole of nozzle sets 2 is corresponding with first row impeller blade 10 and secondary series impeller blade 9，Arrange between first row impeller blade 10 and secondary series impeller blade 9 and turn to guide vane ring 3，The height of first row impeller blade 10 and secondary series impeller blade 9 is 40mm-55mm.Arranging left bank steam ports 14 and right steam drain 15 bottom cylinder 1, front-end bearing pedestal 5 front end arranges electric barring 13, and electric barring 13 is connected with main shaft 8.
Operation principle of the present utility model and work process:
Low-temp low-pressure pumps for hot water supply net steam turbine described in the utility model can connect the first water circulating pump 18 either directly through diaphragm coupling 17 and be driven, energy-conserving and environment-protective, low temperature and low pressure steam (0.3～0.8MPa, 160～300 DEG C) by left steam inlet 24, right steam inlet 25 and the enter vapour quick-closing valve 12 corresponding with left steam inlet 24 and right steam inlet 25 enter left vaporium 26 and the right vaporium 27 of cylinder 1, steam in left vaporium 26 and right vaporium 27 enters first row impeller blade 10 after nozzle sets 2 decompressing speed-increasing, and promote impeller to rotate acting, simultaneously from the steam of first row impeller blade 10 outflow to one counteracting force of blade, increase the effect of impeller acting；The steam flowed out by first row impeller blade 10 enters and turns to guide vane ring 3 decompressing speed-increasing again, change steam flow simultaneously, enter secondary series impeller blade 9, and promote impeller to rotate acting, simultaneously from the steam of secondary series impeller blade 9 outflow to one counteracting force of blade, increasing the effect of impeller acting, last steam enters heating steam pipeline by left bank steam ports 14 and the right steam drain 15 of cylinder 1.Add electric barring 13 in the front end of front-end bearing pedestal 5 and replace hand turning, convenient when steam turbine start and stop to turbine rotor jiggering, simple in construction, reasonable in design, can save energy and reduce the cost, reduce cost of equipment maintenance, can effectively reduce again rate of breakdown.
Claims (4)
- null1. a low-temp low-pressure pumps for hot water supply net steam turbine，Including chassis (11) and the turbine body (16) that is arranged on chassis (11)，It is characterized in that: chassis (11) rear end supports rear bearing block (6) by support，Chassis (11) front end supports front-end bearing pedestal (5) by support and axial feather key，Main shaft (8) is by being arranged on the bearings in front-end bearing pedestal (5) and rear bearing block (6)，Cylinder (1) is set between front-end bearing pedestal (5) and rear bearing block (6)，Cylinder (1) connects front-end bearing pedestal (5) and rear bearing block (6) respectively，Vaporium (19) is set in cylinder (1)，Vaporium (19) is divided into left vaporium (26) and right vaporium (27) by dividing plate (28)，Left vaporium (26) and right vaporium (27) connect left steam inlet (24) and right steam inlet (25) respectively，It is respectively provided with one at left steam inlet (24) and right steam inlet (25) place and enters vapour quick-closing valve (12)，The venthole of corresponding left vaporium (26) and right vaporium (27) arranges nozzle sets (2) in cylinder (1)，The venthole of nozzle sets (2) is corresponding with first row impeller blade (10) and secondary series impeller blade (9)，Arrange between first row impeller blade (10) and secondary series impeller blade (9) and turn to guide vane ring (3)，Cylinder (1) bottom arranges left bank steam ports (14) and right steam drain (15)，Front-end bearing pedestal (5) front end arranges electric barring (13)，Electric barring (13) is connected with main shaft (8).
- 2. low-temp low-pressure pumps for hot water supply net steam turbine according to claim 1, it is characterised in that: described turbine body (16) connects the first water circulating pump (18) by diaphragm coupling (17).
- 3. low-temp low-pressure pumps for hot water supply net steam turbine according to claim 1, it is characterised in that: described main shaft (8) is supported by the bearing shell (7) of bearing.
- 4. low-temp low-pressure pumps for hot water supply net steam turbine according to claim 1, it is characterised in that: described first row impeller blade (10) and the height of secondary series impeller blade (9) they are 40mm-55mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159246.8U CN205400825U (en) | 2016-03-02 | 2016-03-02 | Low temperature and low pressure heat supply network circulating pump steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159246.8U CN205400825U (en) | 2016-03-02 | 2016-03-02 | Low temperature and low pressure heat supply network circulating pump steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205400825U true CN205400825U (en) | 2016-07-27 |
Family
ID=56948609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620159246.8U Expired - Fee Related CN205400825U (en) | 2016-03-02 | 2016-03-02 | Low temperature and low pressure heat supply network circulating pump steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205400825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204761A (en) * | 2018-09-26 | 2019-01-15 | 中国船舶重工集团公司第七0三研究所 | A kind of marine engine group modularization integrated stand with steam discharge function |
-
2016
- 2016-03-02 CN CN201620159246.8U patent/CN205400825U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204761A (en) * | 2018-09-26 | 2019-01-15 | 中国船舶重工集团公司第七0三研究所 | A kind of marine engine group modularization integrated stand with steam discharge function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104763484B (en) | Air cooling turbine high back pressure heat supply power generating simultaneously method | |
| CN205477780U (en) | A low pressure bypass turbine system for high load condition of large -scale steam turbine | |
| CN105317484A (en) | Method for saving energy by vacuum power | |
| CN205400825U (en) | Low temperature and low pressure heat supply network circulating pump steam turbine | |
| CN103363564A (en) | Energy-saving heat supplying system and heat supplying method capable of improving low-grade steam heat utilization efficiency | |
| CN102392700A (en) | Novel backpressure turbine with low vacuum regenerative heat | |
| CN103032115B (en) | Cogeneration condensing steam turbine | |
| CN202538618U (en) | Air pretreatment device capable of utilizing waste heat | |
| CN103775208B (en) | Humidification circulation system | |
| CN206448969U (en) | A kind of multi-outlet submersible axial-flow pump | |
| CN205714783U (en) | A kind of liquid-ring vacuum pump return water system | |
| CN204554950U (en) | The steam supply of high back pressure thermal power plant unit and cooling system | |
| CN209293867U (en) | Small turbine back pressure controls therrmodynamic system | |
| CN201083180Y (en) | Voltage-regulating speed-changing fan water power propeller for energy-saving cooling tower | |
| CN203848584U (en) | Energy-saving type open circulation cooling water system of large-size thermal power generating unit | |
| CN103195577A (en) | Air intake temperature regulating system of gas turbine | |
| CN203809070U (en) | Power generating system | |
| CN203271827U (en) | E-class combined cycle three-pressure straight condensing turbine | |
| CN201593530U (en) | Steam injection type heat pump | |
| CN205372710U (en) | Energy -saving apparatus | |
| CN201013677Y (en) | Fast fluid high efficiency supercharging device | |
| CN204283502U (en) | A kind of compressed-air power engine heat-exchange system | |
| CN113309586B (en) | Back pressure machine system and equipment driven by coupled power balance power generation | |
| CN201233134Y (en) | Water source heat pump air conditioning system | |
| CN102553287A (en) | Energy-saving heat pipe air preprocessing system |
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: 20160727 Termination date: 20170302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |