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CN110242367A - Steam extraction and condensing formula industrial steam turbine - Google Patents

Steam extraction and condensing formula industrial steam turbine Download PDF

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Publication number
CN110242367A
CN110242367A CN201910648408.2A CN201910648408A CN110242367A CN 110242367 A CN110242367 A CN 110242367A CN 201910648408 A CN201910648408 A CN 201910648408A CN 110242367 A CN110242367 A CN 110242367A
Authority
CN
China
Prior art keywords
valve
steam
steam turbine
outside cylinder
rotor
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.)
Pending
Application number
CN201910648408.2A
Other languages
Chinese (zh)
Inventor
马晓飞
张军辉
陈金铨
黄肖华
杨雄民
王晓斐
赖慧坚
应博芬
朱何钊
米海波
王冠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Steam Turbine Co Ltd
Original Assignee
Hangzhou Steam Turbine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Steam Turbine Co Ltd filed Critical Hangzhou Steam Turbine Co Ltd
Priority to CN201910648408.2A priority Critical patent/CN110242367A/en
Publication of CN110242367A publication Critical patent/CN110242367A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D21/00Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/003Arrangements for testing or measuring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/26Double casings; Measures against temperature strain in casings

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)

Abstract

The present invention provides a kind of steam extraction and condensing formula industrial steam turbines, it is related to steam turbine technology field, steam extraction and condensing formula industrial steam turbine includes turbine body, overflow valve, first pressure monitoring element and second pressure monitoring element, wherein turbine body includes rotor, inner casing and outside cylinder, inner casing is set in the initial end on rotor and being located at rotor, inner casing inner wall is equipped with nozzle, wherein, inner casing forms engineer room away from the side of rotor initial end in governing stage, and it is indoor that first pressure monitoring element is mounted on wheel.Overflow valve is mounted on outside cylinder, and second pressure monitoring element is mounted on the side that overflow valve deviates from outside cylinder.It alleviates steam turbine in the prior art and is driving the technical issues of 1,500,000 tons/year of ethylene units are not with can guarantee reliable and stable operation when applying propylene compressor.

Description

Steam extraction and condensing formula industrial steam turbine
Technical field
The present invention relates to steam turbine technology fields, in particular to a kind of steam extraction and condensing formula industrial steam turbine.
Background technique
" triolefin " and " triphen " is the basis of petrochemical industry, wherein " triolefin " refers to ethylene, propylene, butadiene, it is various Important Organic chemical products will be the raw material of production with them, so the ethylene unit of production " triolefin " also becomes petroleum The faucet of chemical industry, its production scale, yield and technology can embody the development level of petrochemical industry.
And propylene is as one of " triolefin ", is mainly used for polypropylene processed, acrylonitrile, isopropanol etc., closes to generate At resin, synthetic rubber and a variety of fine chemicals.Propylene compressor group is second as one of three machine of core in ethylene unit The heart equipment of alkene device, thus it is very high to the service requirement of unit, it is necessary to meet safe and stable, long-term operation, this is just Higher requirement is proposed to the performance and its reliability of matched with devices power-equipment industrial steam turbine.But existing steam extraction and condensing Formula industrial steam turbine not can guarantee reliable and stable operation when driving 1,500,000 tons/year of ethylene units to match and apply propylene compressor.
Summary of the invention
The purpose of the present invention is to provide a kind of steam extraction and condensing formula industrial steam turbines, to alleviate steam turbine in the prior art Driving the technical issues of 1,500,000 tons/year of ethylene units are not with can guarantee reliable and stable operation when applying propylene compressor.
The present invention provides a kind of steam extraction and condensing formula industrial steam turbine, including the monitoring of turbine body, overflow valve, first pressure Element and second pressure monitoring element;
The turbine body includes rotor, inner casing and outside cylinder, and the inner casing inner wall is equipped with nozzle, described Inner casing forms engineer room away from the side of the rotor initial end in governing stage, and the first pressure monitoring element is located at the wheel It is indoor;
The overflow valve is mounted on the outside cylinder, and the second pressure monitoring element, which is mounted on the overflow valve, to deviate from The side of the outside cylinder.
It further, further include servo valve, the servo valve includes two air intakes.
Further, the servo valve includes four ventholes, and each of described servo valve venthole is right One group of steam valve component should be equipped with.
Further, the steam valve component includes valve deck, valve rod, valve seat, valve disc, guide post and spring;
The valve deck is mounted on the shell of the servo valve, and the valve rod is plugged on the valve deck, the valve seat It is mounted at the venthole, the valve disc is located in the cavity of the servo valve and fixes with one end of the valve rod and connects It connects, the other end of the valve rod is equipped with the first fixed plate, and the valve deck is extended with guide post, the guide post away from cavity on one side End is equipped with the second fixed plate, and the both ends of the spring are abutted with first fixed plate and second fixed plate respectively, For the valve disc to be pressed against the valve seat.
Further, the outside cylinder inner wall is equipped with multiple guide blade carriers, and multiple guide blade carriers are located in described The same side of cylinder and it is arranged along rotor axis direction interval, guide blade carrier interval described in the inner casing and adjacent level-one Setting, the guide blade carrier are equipped with stator blade group.
Further, the turbine body further includes front-end bearing pedestal and rear bearing block, and the outside cylinder is fixed on described On front-end bearing pedestal, the rear bearing block is fixed on exhaust casing, and thrust bearing and preceding radial axle are equipped in the front-end bearing pedestal Hold, rear transverse bearing be installed in the rear bearing block, the rotor be mounted on the thrust bearing, the preceding transverse bearing and After described on transverse bearing.
Further, the outside cylinder is detachably mounted on the front-end bearing pedestal, and the exhaust casing is welded type row Cylinder.
Compared with the existing technology, steam extraction and condensing formula industrial steam turbine provided by the invention has the beneficial effect that:
Steam extraction and condensing formula industrial steam turbine provided by the invention, including turbine body, overflow valve, first pressure monitoring member Part and second pressure monitoring element, wherein turbine body includes rotor, inner casing and outside cylinder, and inner casing is set in rotor The initial end of rotor is gone up and is located at, inner casing inner wall is equipped with nozzle, wherein inner casing deviates from 3 initial end of rotor in governing stage Side form engineer room, it is indoor that first pressure monitoring element is mounted on wheel.Overflow valve is mounted on outside cylinder, second pressure monitoring Element is mounted on the side that overflow valve deviates from outside cylinder.
Above-mentioned setting uses double shell structure first, and the huge steam pressure that former single-shell casing is born is shared to inner casing And outside cylinder, reduce the pressure difference and the temperature difference of every layer of cylinder;In addition, common by the first monitoring element of setting and the second monitoring element Monitoring changes the form of the monitoring of previous single-point, single Numerical Control, and pressure value at two is transmitted to Central Control Room by pressure transmitter The differential pressure curve of unit at different operating conditions can be formed, at this time can be under the premise of ensuring unit safety, enlarger The range of operation of group, the occurrence of guaranteeing the stable of unit, reduce the chaser of non-unit safety problem.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of steam extraction and condensing formula industrial steam turbine provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of servo valve in steam extraction and condensing formula industrial steam turbine provided in an embodiment of the present invention;
Fig. 3 is the differential pressure security system diagram of steam extraction and condensing formula industrial steam turbine provided in an embodiment of the present invention.
Icon: 1- outside cylinder;2- inner casing;3- rotor;4- overflow valve;5- exhaust casing;6- stator blade;7- is dynamic Blade;8- oil motor;9- servo valve;10- quick-closing valve;11- guide blade carrier;12- steam drain;13- front-end bearing pedestal; 14- rear bearing block;Transverse bearing before 15-;16- thrust bearing;Transverse bearing after 17-;18- first pressure monitoring element; 19- second pressure monitoring element;
201- engineer room;
901- air intake;902- spring;903- valve rod;904- valve disc;905- valve deck;906- valve seat;907- is led Column;908- unloads chamber;The first fixed plate of 909-;The second fixed plate of 900-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
- Fig. 3 referring to Fig.1, steam extraction and condensing formula industrial steam turbine provided in this embodiment, including turbine body, overflow valve 4, first pressure monitoring element 18 and second pressure monitoring element 19, wherein turbine body includes rotor 3,2 and of inner casing Outside cylinder 1, inner casing 2 are set in the initial end on rotor 3 and being located at rotor 3, and 2 inner wall of inner casing is equipped with nozzle, wherein interior Cylinder 2 forms engineer room 201 away from the side of 3 initial end of rotor in governing stage, and first pressure monitoring element 18 is mounted on engineer room 201 It is interior.Overflow valve 4 is mounted on outside cylinder 1, and second pressure monitoring element 19 is mounted on the side that overflow valve 4 deviates from outside cylinder 1.
Above-mentioned setting uses double shell structure first, and the huge steam pressure that former single-shell casing is born is shared to inner casing 2 With outside cylinder 1, reduce the pressure difference and the temperature difference of every layer of cylinder;In addition, total by the first monitoring element of setting and the second monitoring element With monitoring, change the form of the monitoring of previous single-point, single Numerical Control, pressure value at two is transmitted to by middle control by pressure transmitter Room can form the differential pressure curve of unit at different operating conditions, can expand under the premise of ensuring unit safety at this time The occurrence of range of operation of unit guarantees the stable of unit, reduces the chaser of non-unit safety problem.
It is worth explanation, the initial end of the rotor 3 in the present embodiment refers to that steam turbine is equipped with one end of servo valve 9, In steam turbine technology field, rotor is equipped with the spaced movable vane piece 7 of multiple row, and movable vane piece 7 and stator blade 6 along its axis direction It is staggered in rotor axis direction, adjacent movable vane piece 7 and stator blade 6 form level-one, and in the present embodiment, governing stage generation refers to The grade formed near a column movable vane piece 7 of 3 initial end of rotor and a column stator blade 6, nozzle mentioned above is governing stage Stator blade 6;The inner wall of inner casing 2 is equipped with an at least column stator blade 6 in the present embodiment, so that governing stage is formed in interior vapour In cylinder 2.Finally, the overflow valve 4 in the present embodiment is connected with pipeline, second pressure monitoring element in the side away from outside cylinder 1 19 are mounted in the pipeline, and overflow valve 4 has through-current capability big using the structure type of double-beat drop valve, and out-of-balance force is small and operates Stable feature.
Specifically, the present embodiment also the specific structure of steam extraction and condensing formula industrial steam turbine is done it is described in detail below.
In the present embodiment, steam extraction and condensing formula industrial steam turbine further includes servo valve 9, and servo valve 9 includes two into vapour Mouth 901.
At work, working steam is supplied to steam turbine simultaneously by two air intakes 901, in the present embodiment, to guarantee Steam extraction amount and steam turbine power need sufficiently large throttle flow, it is therefore desirable to flow into steam turbine by two air intakes 901.
Referring to Fig. 2, in the present embodiment, servo valve 9 includes four ventholes, and each venthole of servo valve 9 is right One group of steam valve component should be equipped with.
Specifically, the venthole of servo valve 9 is directly connect with outside cylinder 1, and then complete the connection with engineer room 201.? When work, four ventholes are successively to open, sequentially to complete the connection of air intake 901 Yu each venthole.
It is worth explanation, the both ends of servo valve 9 are mounted on a quick-closing valve 10, in emergency situations, quick-closing valve 10 It can close rapidly to disconnect the connection of major steam line Yu servo valve 9, and then achieve the purpose that cut off steam turbine into vapour, make Unit is able to quick shutdown.
Referring to Fig. 2, in the present embodiment, steam valve component includes valve deck 905, valve rod 903, valve seat 906, valve disc 904, guide post 907 and spring 902;Valve deck 905 is mounted on the shell of servo valve 9, and valve rod 903 is plugged on valve deck 905, valve seat 906 It is mounted at venthole, valve disc 904 is located in the cavity of servo valve 9 and is fixedly connected with one end of valve rod 903, valve rod 903 The other end the first fixed plate 909 is installed, valve deck 905 is extended with guide post 907,907 end of guide post peace away from cavity on one side Equipped with the second fixed plate 900, the both ends of spring 902 are abutted with the first fixed plate 909 and the second fixed plate 900 respectively, to be used for Valve disc 904 is pressed against on valve seat 906.
Servo valve 9 forms unloading that is, when inactive using the structure of feather valve between valve deck 905 and valve disc 904 Chamber 908, the setting can guarantee that under biggish throttle flow, valve disc 904 being capable of smooth opening.Specifically, on startup, first It by 8 poppet stem 903 of oil motor, connect unloading chamber 908 with the cavity in servo valve 9, reduces unloading 908 pressure of chamber, Achieve the purpose that reduce 904 lifting force of valve disc, valve disc 904 more easily can be promoted to distance to a declared goal by subsequent oil motor 8, complete At the air intake 901 of servo valve 9 and being connected to for venthole.
In addition, by setting spring 902, the elastic force of spring 902 can overcome the steam buoyancy of valve rod 903, Yi Jiwei Valve provides enough closing forces, guarantees that valve disc 904 can be stablized and is pressed against on valve seat 906.
It is worth explanation, there are two the axisymmetricals of simultaneously opposite valve rod 903 to be arranged for guide post 907, and the second fixed plate 900 is simultaneously It is fixed on the end of two guide posts 907, for the first fixed plate 909 between the second fixed plate 900 and valve deck 905, second is fixed Plate 900 is annular slab, and the oil motor 8 in steam turbine can pass through the through-hole in the second fixed plate 900 and be equipped with the with valve rod 903 One end of one fixed plate 909 is fixedly connected, i.e., when spring 902 is pressed between the first fixed plate 909 and the second fixed plate 900, It will not influence movement of 8 driving stem 903 of oil motor in valve deck 905.
Referring to Fig.1, in the present embodiment, 1 inner wall of outside cylinder is equipped with multiple guide blade carriers 11, and multiple guide blade carriers 11 are located at The same side of inner casing 2 and along 3 axis direction interval of rotor be arranged, inner casing 2 and adjacent level-one guide blade carrier 11 interval be arranged, Guide blade carrier 11 is equipped with stator blade group.
It is formed specifically, the present embodiment is accordingly equipped with the stator blade 6 being set side by side by multiple row in a guide blade carrier 11 Stator blade group, install in the total quantity and rotor 3 of the stator blade 6 on stator blade 6 and inner casing 2 on multiple guide blade carriers 11 7 quantity of movable vane piece it is identical and correspond.
Referring to Fig.1, in the present embodiment, turbine body further includes front-end bearing pedestal 13 and rear bearing block 14, and outside cylinder 1 is fixed On front-end bearing pedestal 13, rear bearing block 14 is fixed on exhaust casing 5, and thrust bearing 16 and preceding radial direction are equipped in front-end bearing pedestal 13 Bearing 15, is equipped with rear transverse bearing 17 in rear bearing block 14, rotor 3 be mounted on thrust bearing 16, preceding transverse bearing 15 and after On transverse bearing 17.
Wherein, preceding transverse bearing 15 and rear transverse bearing 17 are used to hold the out-of-balance force of the weight and rotation of putting rotor 3, with Keep 3 rotation center of rotor consistent with central cylindrical, to guarantee the diameter of rotor 3 Yu the stationary parts such as inner casing 2 and outside cylinder 1 It is correct to gap.Thrust bearing 16 bears axial thrust of the vapor action on rotor 3, and determines the axial position of rotor 3, with Correct axial gap between guarantee flow passage component sound.
In the present embodiment, outside cylinder 1 is detachably mounted on front-end bearing pedestal 13, and exhaust casing 5 is welded exhaust casing, row Cylinder 5 is equipped with a steam drain 12.
Specifically, outside cylinder 1 passes through ram's horn supporting and fixing on front-end bearing pedestal 13, guarantee that outside cylinder 1 can after heated Along given direction free wxpansion, in welded exhaust casing generation, refers to that exhaust casing 5 is to be welded to be formed by plurality of plates, 14 lower half of rear bearing block Part is welded with exhaust casing 5 by plate, and 14 top half of rear bearing block welds to be formed separately through plate, after being subsequently fitted to The lower half portion of bearing block 14.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used To modify to technical solution documented by previous embodiment, or some or all of the technical features are equal Replacement;And these are modified or replaceed, the model for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution It encloses.

Claims (7)

1. a kind of steam extraction and condensing formula industrial steam turbine, which is characterized in that including turbine body, overflow valve (4), first pressure prison Survey element (18) and second pressure monitoring element (19);
The turbine body includes rotor (3), inner casing (2) and outside cylinder (1), and inner casing (2) inner wall is equipped with Nozzle, the inner casing (2) form engineer room (201) away from the side of the rotor (3) initial end in governing stage, first pressure Power monitoring element (18) is located in the engineer room (201);
The overflow valve (4) is mounted on the outside cylinder (1), and the second pressure monitoring element (19) is mounted on the overflow Valve (4) deviates from the side of the outside cylinder (1).
2. steam extraction and condensing formula industrial steam turbine according to claim 1, which is characterized in that further include servo valve (9), institute Stating servo valve (9) includes two air intakes (901).
3. steam extraction and condensing formula industrial steam turbine according to claim 2, which is characterized in that the servo valve (9) includes Four ventholes, each of described servo valve (9) venthole are correspondingly provided with one group of steam valve component.
4. steam extraction and condensing formula industrial steam turbine according to claim 3, which is characterized in that the steam valve component includes valve deck (905), valve rod (903), valve seat (906), valve disc (904), guide post (907) and spring (902);
The valve deck (905) is mounted on the shell of the servo valve (9), and the valve rod (903) is plugged in the valve deck (905) on, the valve seat (906) is mounted at the venthole, and the valve disc (904) is located at the sky of the servo valve (9) Intracavitary and be fixedly connected with one end of the valve rod (903), the other end of the valve rod (903) is equipped with the first fixed plate (909), the valve deck (905) being extended on one side guide post (907) away from cavity, guide post (907) end is equipped with second Fixed plate (900), the both ends of the spring (902) respectively with first fixed plate (909) and second fixed plate (900) It abuts, for the valve disc (904) to be pressed against the valve seat (906).
5. steam extraction and condensing formula industrial steam turbine according to claim 1, which is characterized in that outside cylinder (1) the inner wall peace Equipped with multiple guide blade carriers (11), multiple guide blade carriers (11) are located at the same side of the inner casing (2) and along described turns Sub (3) axis direction interval setting, the inner casing (2) is arranged with the interval of guide blade carrier (11) described in adjacent level-one, described to lead Leaf support ring (11) is equipped with stator blade group.
6. steam extraction and condensing formula industrial steam turbine according to claim 1-5, which is characterized in that the steam turbine Ontology further includes front-end bearing pedestal (13) and rear bearing block (14), and the outside cylinder (1) is fixed on the front-end bearing pedestal (13), institute It states rear bearing block (14) to be fixed on exhaust casing (5), thrust bearing (16) and preceding radial direction is installed in the front-end bearing pedestal (13) Bearing (15), the rear bearing block (14) is interior to be equipped with rear transverse bearing (17), and the rotor (3) is mounted on the thrust bearing (16), on the preceding transverse bearing (15) and the rear transverse bearing (17).
7. steam extraction and condensing formula industrial steam turbine according to claim 6, which is characterized in that the outside cylinder (1) is detachable Be fixed on the front-end bearing pedestal (13), the exhaust casing (5) be welded exhaust casing.
CN201910648408.2A 2019-07-17 2019-07-17 Steam extraction and condensing formula industrial steam turbine Pending CN110242367A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910648408.2A CN110242367A (en) 2019-07-17 2019-07-17 Steam extraction and condensing formula industrial steam turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910648408.2A CN110242367A (en) 2019-07-17 2019-07-17 Steam extraction and condensing formula industrial steam turbine

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113432567A (en) * 2021-08-13 2021-09-24 杭州汽轮机股份有限公司 Device and method for measuring horizontal displacement of steam turbine cylinder
CN114183207A (en) * 2021-11-02 2022-03-15 中国长江动力集团有限公司 Valve core assembly and detachable regulating valve
CN114320507A (en) * 2022-01-07 2022-04-12 杭州汽轮机股份有限公司 Novel differential pressure system of extraction steam turbine and working method

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Publication number Priority date Publication date Assignee Title
GB924379A (en) * 1959-07-15 1963-04-24 Bbc Brown Boveri & Cie Control system for a steam turbine plant with re-heating
CN101520095A (en) * 2009-03-26 2009-09-02 杭州汽轮机股份有限公司 Bell type adjusting steam valve
CN201661320U (en) * 2009-11-27 2010-12-01 杭州中能汽轮动力有限公司 Steam turbine overflowing steam extraction regulation device for industrial driving
CN204663593U (en) * 2015-04-20 2015-09-23 浙江汽轮成套技术开发有限公司 The filling control system of Power Plant Feedwater mercury vapour turbine
CN106194269A (en) * 2016-08-09 2016-12-07 杭州汽轮机股份有限公司 A set of million grade ethylene unit core three machine reactionary style industrial steam turbines
CN210164508U (en) * 2019-07-17 2020-03-20 杭州汽轮机股份有限公司 Extraction condensing industrial steam turbine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB924379A (en) * 1959-07-15 1963-04-24 Bbc Brown Boveri & Cie Control system for a steam turbine plant with re-heating
CN101520095A (en) * 2009-03-26 2009-09-02 杭州汽轮机股份有限公司 Bell type adjusting steam valve
CN201661320U (en) * 2009-11-27 2010-12-01 杭州中能汽轮动力有限公司 Steam turbine overflowing steam extraction regulation device for industrial driving
CN204663593U (en) * 2015-04-20 2015-09-23 浙江汽轮成套技术开发有限公司 The filling control system of Power Plant Feedwater mercury vapour turbine
CN106194269A (en) * 2016-08-09 2016-12-07 杭州汽轮机股份有限公司 A set of million grade ethylene unit core three machine reactionary style industrial steam turbines
CN210164508U (en) * 2019-07-17 2020-03-20 杭州汽轮机股份有限公司 Extraction condensing industrial steam turbine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113432567A (en) * 2021-08-13 2021-09-24 杭州汽轮机股份有限公司 Device and method for measuring horizontal displacement of steam turbine cylinder
CN114183207A (en) * 2021-11-02 2022-03-15 中国长江动力集团有限公司 Valve core assembly and detachable regulating valve
CN114183207B (en) * 2021-11-02 2023-11-28 中国长江动力集团有限公司 Valve core assembly and unloading adjusting valve
CN114320507A (en) * 2022-01-07 2022-04-12 杭州汽轮机股份有限公司 Novel differential pressure system of extraction steam turbine and working method

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Address after: 310000 Building 1, No. 608, Kangxin Road, Linping District, Hangzhou, Zhejiang

Applicant after: Hangzhou Turbine Power Group Co.,Ltd.

Address before: No. 357, Shiqiao Road, Xiacheng District, Hangzhou, Zhejiang 310000

Applicant before: HANGZHOU STEAM TURBINE Co.,Ltd.