CN205400818U - Two velocity -compounded stage impeller industrial steam turbine - Google Patents
Two velocity -compounded stage impeller industrial steam turbine Download PDFInfo
- Publication number
- CN205400818U CN205400818U CN201620159483.4U CN201620159483U CN205400818U CN 205400818 U CN205400818 U CN 205400818U CN 201620159483 U CN201620159483 U CN 201620159483U CN 205400818 U CN205400818 U CN 205400818U
- Authority
- CN
- China
- Prior art keywords
- impeller blade
- order
- level
- main shaft
- cylinder
- 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
- Control Of Turbines (AREA)
Abstract
The utility model relates to a two velocity -compounded stage impeller industrial steam turbine belongs to industry and drags the steam turbine field, which comprises a base, set up the resilient support member on the chassis, the resilient support member top sets up front axle bearing and rear axle bearing, front axle bearing and rear axle bearing interior division do not set up thrust fore bearing and rear bearing, the main shaft passes through the thrust fore bearing and the rear bearing supports, the main shaft middle part is provided with the cylinder, the cylinder passes through the vapor seal and is connected with the main shaft, be provided with the steam chamber in the cylinder, the steam chamber communicates with the steam inlet of cylinder, set up first order impeller blade and second level impeller blade on the main shaft, first order impeller blade and second level impeller blade separate through the baffle, the steam outlet who corresponds the steam chamber sets up first order injector set, first order injector set is corresponding with first order impeller blade, set up secondary nozzle group on the baffle, secondary nozzle group is corresponding with the secondary impeller blade. The utility model discloses simple structure, reasonable in design, the steam enthalpy drop is big, and unit efficiency is high, and the cost of manufacture is low, and is energy -efficient.
Description
Technical field
This utility model relates to a kind of double; two Curtis wheel industrial steam turbine, belongs to industry and drags steam turbine field.
Background technology
At present, steam turbine field is dragged in industry, the application of single velocity-compounded stage turbine is the most extensive, but for the steam discharge/initial steam pressure of working steam than under during less than 0.2, the single velocity-compounded stage impeller type of tradition is less because of the steam enthalpy drop realized, the situation that unit internal efficiency is extremely low, steam thermal energy utilization rate is low can be caused, even there will be the too high situation about can not meet design requirement of unit exhaust steam pressure.Existing solution is to adopt the multistage back pressure unit of low capacity, namely comprises a governing stage and at least two pressure stage in unit cylinder, but this type of type production cost is higher, and construction investment is relatively big, and practicality is very poor.
Utility model content
According to above deficiency of the prior art, problem to be solved in the utility model is: providing a kind of simple in construction, reasonable in design, cost of manufacture is low, and steam enthalpy drop is big, energy-efficient double; two Curtis wheel industrial steam turbines.
This utility model solves its technical problem and be the technical scheme is that
nullDescribed double; two Curtis wheel industrial steam turbines，Including chassis，Both sides, chassis arrange elastic support，Two-side elastic holder top is respectively provided with front-end bearing pedestal and rear bearing block，Thrust fore bearing and rear bearing it is respectively provided with in front-end bearing pedestal and rear bearing block，Main shaft is supported by thrust fore bearing and rear bearing，Cylinder it is provided with in the middle part of main shaft，Cylinder is connected with main shaft by packing，Vaporium it is provided with in cylinder，Vaporium connects with the air intake of cylinder，Main shaft in cylinder arranges first order impeller blade and second level impeller blade，First order impeller blade and second level impeller blade are separated by dividing plate，The steam (vapor) outlet of corresponding vaporium arranges first order nozzle sets in cylinder，The venthole of first order nozzle sets is corresponding with first order impeller blade，Dividing plate arranges second level nozzle sets，The air intake of second level nozzle sets is corresponding with first order impeller blade，The venthole of second level nozzle sets is corresponding with second level impeller blade.
Described double; two Curtis wheel industrial steam turbines arrange first order impeller blade and second level impeller blade in cylinder, and respectively through the Steam Actuation impeller blade acting of the second level nozzle sets ejection in the first order nozzle sets of steam outlet of vaporium and dividing plate, the enthalpy drop of steam can be increased, improve the efficiency of unit, simple in construction, reasonable in design, equipment investment is little, cost is low, it is possible to arrive energy-efficient purpose.
Preferred further, first order impeller blade includes first order first row impeller blade and first order secondary series impeller blade, between first order first row impeller blade and first order secondary series impeller blade, the first order is set and turns to guide vane ring, first order first row impeller blade is corresponding with the venthole of first order nozzle sets, and first order secondary series impeller blade is corresponding with the air intake of second level nozzle sets.
Preferred further, second level impeller blade includes second level first row impeller blade and second level secondary series impeller blade, arranging the second level between second level first row impeller blade and second level secondary series impeller blade and turn to guide vane ring, second level first row impeller blade is corresponding with the venthole of second level nozzle sets.
Preferred further, thrust fore bearing and rear bearing arrange bearing temperature meter.The temperature of real-time monitoring bearing, to prevent, temperature is too high causes damage to unit, extends the service life of unit,
Preferred further, the front end of main shaft arranges emergency overspeed governor.All vapour sources possibly into steam turbine can be cut off when unit damage accident occurs, implement emergency shutdown, improve the safety of use.
Preferred further, main the tip of the axis arranges shaft coupling.Conveniently connect external equipment.
Preferred further, the front end of main shaft arranges speed probe.Monitor the rotating speed of main shaft in real time, can be adjusted according to use scope.
This utility model is had the beneficial effect that
1, described in the utility model pair of Curtis wheel industrial steam turbine steam enthalpy drop is big, and efficiency is high, and simple in construction is reasonable in design, and the manufacturing cost of equipment is lower than multistage turbine group simultaneously, it is ensured that user realizes the target that construction investment is little, equipment high efficiency is energy-conservation.
2, the described in the utility model pair of Curtis wheel industrial steam turbine can the temperature of monitor in real time main shaft and rotating speed; and all vapour sources possibly into steam turbine can be cut off when unit damage accident occurs; implement emergency shutdown, improve the safety that Steam Turbine uses.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is this utility model nozzle sets, impeller blade and turns to guide vane ring fit structure schematic diagram；
In figure, 1, chassis；2, elastic support；3, front-end bearing pedestal；4, speed probe；5, emergency overspeed governor；6, thrust fore bearing；7, bearing temperature meter；8, main shaft；9, packing；10, cylinder；11, rear bearing block；12, rear bearing；13, shaft coupling；14, vaporium；15, first order nozzle sets；16, first order first row impeller blade；17, the first order turns to guide vane ring；18, first order secondary series impeller blade；19, dividing plate；20, second level nozzle sets；21, second level first row impeller blade；22, the second level turns to guide vane ring；23, second level secondary series impeller blade；24, first order impeller blade；25, second level impeller blade.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
nullSuch as Fig. 1、Shown in Fig. 2，Described in the utility model pair of Curtis wheel industrial steam turbine，Including chassis 1，Both sides, chassis 1 arrange elastic support 2，Two-side elastic bearing 2 top is respectively provided with front-end bearing pedestal 3 and rear bearing block 11，Thrust fore bearing 6 and rear bearing 12 it is respectively provided with in front-end bearing pedestal 3 and rear bearing block 11，Main shaft 8 is supported by thrust fore bearing 6 and rear bearing 12，Cylinder 10 it is provided with in the middle part of main shaft 8，Cylinder 10 is connected with main shaft 8 by packing 9，Vaporium 14 it is provided with in cylinder 10，Vaporium 14 connects with the air intake of cylinder 10，Main shaft 8 in cylinder 10 arranges first order impeller blade 24 and second level impeller blade 25，First order impeller blade 24 and second level impeller blade 25 are separated by dividing plate 19，The steam (vapor) outlet of corresponding vaporium 14 arranges first order nozzle sets 15 in cylinder 10，The venthole of first order nozzle sets 15 is corresponding with first order impeller blade 24，Dividing plate 19 arranges second level nozzle sets 20，The air intake of second level nozzle sets 20 is corresponding with first order impeller blade 24，The venthole of second level nozzle sets 20 is corresponding with second level impeller blade 25，Cylinder 10 bottom arranges steam steam drain.
First order impeller blade 24 includes first order first row impeller blade 16 and first order secondary series impeller blade 18, between first order first row impeller blade 16 and first order secondary series impeller blade 18, the first order is set and turns to guide vane ring 17, first order first row impeller blade 16 is corresponding with the venthole of first order nozzle sets 15, and first order secondary series impeller blade 18 is corresponding with the air intake of second level nozzle sets 20.
Second level impeller blade 25 includes second level first row impeller blade 21 and second level secondary series impeller blade 23, arranging the second level between second level first row impeller blade 21 and second level secondary series impeller blade 23 and turn to guide vane ring 22, second level first row impeller blade 21 is corresponding with the venthole of second level nozzle sets 20.
Arranging bearing temperature meter 7 on thrust fore bearing 6 and rear bearing 12, the front end of main shaft 8 arranges emergency overspeed governor 5 and speed probe 4, and the end of main shaft 8 arranges shaft coupling 13.
Operation principle of the present utility model and work process:
Described in the utility model pair of Curtis wheel industrial steam turbine is operationally, steam enters in the vaporium 14 of cylinder 10 by the air intake of cylinder 10, steam in vaporium 14 enters the first order first row impeller blade 16 of first order impeller blade 24 after first order nozzle sets 15 decompressing speed-increasing, and promote first order impeller to rotate acting, simultaneously from the steam of first order first row impeller blade 16 outflow to one counteracting force of blade, increase the effect of impeller acting；The steam flowed out by first order first row impeller blade 16 is entered the first order and turns to guide vane ring 17 decompressing speed-increasing again, change steam flow simultaneously and enter first order secondary series impeller blade 18, and promote impeller to rotate acting, from the steam of first order secondary series impeller blade 18 outflow to one counteracting force of blade, increase the effect of impeller acting.The second level nozzle sets 20 on dividing plate 19 is entered by the steam flowed out from first order secondary series impeller blade 18, then the flow regime in the first order is repeated, completing the acting of second level impeller blade 25, last steam enters steam discharge jet chimney by the steam steam drain of cylinder 10 bottom.This utility model not only steam enthalpy drop is big, and efficiency is high, and the manufacturing cost of equipment is lower than multistage unit, it is ensured that user realizes the target that construction investment is little, equipment high efficiency is energy-conservation.
Claims (7)
- null1. a double; two Curtis wheel industrial steam turbine，Including chassis (1)，It is characterized in that: chassis (1) both sides arrange elastic support (2)，Two-side elastic bearing (2) top is respectively provided with front-end bearing pedestal (3) and rear bearing block (11)，Thrust fore bearing (6) and rear bearing (12) it is respectively provided with in front-end bearing pedestal (3) and rear bearing block (11)，Main shaft (8) is supported by thrust fore bearing (6) and rear bearing (12)，Main shaft (8) middle part is provided with cylinder (10)，Cylinder (10) is connected with main shaft (8) by packing (9)，Vaporium (14) it is provided with in cylinder (10)，Vaporium (14) connects with the air intake of cylinder (10)，Main shaft (8) in cylinder (10) arranges first order impeller blade (24) and second level impeller blade (25)，First order impeller blade (24) and second level impeller blade (25) are separated by dividing plate (19)，The steam (vapor) outlet of corresponding vaporium (14) arranges first order nozzle sets (15) in cylinder (10)，The venthole of first order nozzle sets (15) is corresponding with first order impeller blade (24)，Dividing plate (19) arranges second level nozzle sets (20)，The air intake of second level nozzle sets (20) is corresponding with first order impeller blade (24)，The venthole of second level nozzle sets (20) is corresponding with second level impeller blade (25).
- 2. according to claim 1 pair of Curtis wheel industrial steam turbine, it is characterized in that: described first order impeller blade (24) includes first order first row impeller blade (16) and first order secondary series impeller blade (18), the first order is set between first order first row impeller blade (16) and first order secondary series impeller blade (18) and turns to guide vane ring (17), first order first row impeller blade (16) is corresponding with the venthole of first order nozzle sets (15), first order secondary series impeller blade (18) is corresponding with the air intake of second level nozzle sets (20).
- 3. according to claim 1 pair of Curtis wheel industrial steam turbine, it is characterized in that: described second level impeller blade (25) includes second level first row impeller blade (21) and second level secondary series impeller blade (23), arranging the second level between second level first row impeller blade (21) and second level secondary series impeller blade (23) and turn to guide vane ring (22), second level first row impeller blade (21) is corresponding with the venthole of second level nozzle sets (20).
- 4. according to claim 1 pair of Curtis wheel industrial steam turbine, it is characterised in that: described thrust fore bearing (6) and rear bearing (12) arrange bearing temperature meter (7).
- 5. according to claim 1 pair of Curtis wheel industrial steam turbine, it is characterised in that: the front end of described main shaft (8) arranges emergency overspeed governor (5).
- 6. according to claim 1 pair of Curtis wheel industrial steam turbine, it is characterised in that: the end of described main shaft (8) arranges shaft coupling (13).
- 7. according to claim 1 pair of Curtis wheel industrial steam turbine, it is characterised in that: the front end of described main shaft (8) arranges speed probe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159483.4U CN205400818U (en) | 2016-03-02 | 2016-03-02 | Two velocity -compounded stage impeller industrial steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620159483.4U CN205400818U (en) | 2016-03-02 | 2016-03-02 | Two velocity -compounded stage impeller industrial steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205400818U true CN205400818U (en) | 2016-07-27 |
Family
ID=56948954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620159483.4U Expired - Fee Related CN205400818U (en) | 2016-03-02 | 2016-03-02 | Two velocity -compounded stage impeller industrial steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205400818U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019025845A1 (en) * | 2017-08-01 | 2019-02-07 | Birudev Narayan Hajare | A system for generating electricity |
| CN109653802A (en) * | 2019-02-20 | 2019-04-19 | 大唐绥化热电有限公司 | Based on pneumatic design back pressure type high-efficiency steam conversion equipment and conversion method |
| CN110761844A (en) * | 2019-11-29 | 2020-02-07 | 重庆江增船舶重工有限公司 | High-efficiency steam turbine |
| CN111894686A (en) * | 2020-08-12 | 2020-11-06 | 广州达都动力科技有限公司 | Industrial steam turbine capable of emergency landing and stopping and waste heat recovery power generation |
-
2016
- 2016-03-02 CN CN201620159483.4U patent/CN205400818U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019025845A1 (en) * | 2017-08-01 | 2019-02-07 | Birudev Narayan Hajare | A system for generating electricity |
| CN111183283A (en) * | 2017-08-01 | 2020-05-19 | B·N·哈贾勒 | Power generation system |
| CN109653802A (en) * | 2019-02-20 | 2019-04-19 | 大唐绥化热电有限公司 | Based on pneumatic design back pressure type high-efficiency steam conversion equipment and conversion method |
| CN110761844A (en) * | 2019-11-29 | 2020-02-07 | 重庆江增船舶重工有限公司 | High-efficiency steam turbine |
| CN111894686A (en) * | 2020-08-12 | 2020-11-06 | 广州达都动力科技有限公司 | Industrial steam turbine capable of emergency landing and stopping and waste heat recovery power generation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205400818U (en) | Two velocity -compounded stage impeller industrial steam turbine | |
| CN204225931U (en) | A kind of pressure energy recovery turbo-expander | |
| CN201671659U (en) | Steam-jet type turbine | |
| CN204591541U (en) | A kind of mine air-lack that utilizes is as the internal combustion engine power generating system of fuel | |
| CN102235267B (en) | Gas turbine engine modified by using retired turbofan engine through low-pressure crest truncation | |
| CN202645639U (en) | Impulse steam turbine with rotating hub-type structure | |
| CN205532739U (en) | Starting bypass system of combined cycle extraction condensing and back pressure unit | |
| CN202883121U (en) | Industrial combustible gas generating system | |
| CN203214108U (en) | Turbine blade front edge cooling structure | |
| CN202108639U (en) | Cylindrical and diffusion type tail water device of hydraulic turbine | |
| CN201043494Y (en) | Energy utilization device in association circulating power generation system | |
| CN204371430U (en) | A kind of back pressure turbine system | |
| CN205400826U (en) | Industrial steam turbine is adjusted to electronic jar | |
| CN210372859U (en) | Compressed air energy storage combined type air storage tank system | |
| CN206360735U (en) | Gas turbine is without flow splitter exhaust casing | |
| CN208122963U (en) | A kind of gas turbine | |
| CN203239404U (en) | 350MW-grade supercritical air-cooling industrial steam extraction steam turbine | |
| CN206860381U (en) | The underground heat screw expander TRT of high usage | |
| CN202900801U (en) | Diesel engine supercharger cleaning device | |
| CN213711332U (en) | Water ring type vacuum system of thermal power plant | |
| CN105822368A (en) | Starting bypass system and starting method of combined cycle extraction condensing and back pressure unit | |
| CN104806390A (en) | Internal combustion engine generating system using coal mine methane as fuel | |
| CN221799901U (en) | Energy-saving synergistic diamond blade of steam turbine | |
| CN209146002U (en) | A kind of 8 cun of oil diffusion pumps | |
| CN221147242U (en) | Tail gas recovery device of steam turbine |
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 |