CN105201566A - 150MW ultrahigh pressure steam extraction and condensing type turbine - Google Patents
150MW ultrahigh pressure steam extraction and condensing type turbine Download PDFInfo
- Publication number
- CN105201566A CN105201566A CN201510707436.9A CN201510707436A CN105201566A CN 105201566 A CN105201566 A CN 105201566A CN 201510707436 A CN201510707436 A CN 201510707436A CN 105201566 A CN105201566 A CN 105201566A
- Authority
- CN
- China
- Prior art keywords
- ultrahigh pressure
- plate body
- ring
- bearing box
- body outer
- 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.)
- Granted
Links
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention relates to a turbine, in particular to a 150MW ultrahigh pressure steam extraction and condensing type turbine, and aims to solve the problems that steam is extracted from a steam extraction pipeline connection pipe of a 150MW turbine unit and the extraction flow of steam cannot be controlled so that energy loss is caused, and the turbine unit efficiency is reduced. The turbine comprises a front bearing box, an ultrahigh pressure and high-intermediate pressure combined cylinder, a middle bearing box, an ultrahigh pressure and low pressure cylinder, a rear bearing box, a rotary baffle, a rotary mechanism and a power mechanism; the ultrahigh pressure and high-intermediate pressure combined cylinder is connected between the front bearing box and the middle bearing box, and the ultrahigh pressure and low pressure cylinder is connected between the middle bearing box and the rear bearing box; the rotary baffle is mounted in the ultrahigh pressure and high-intermediate pressure combined cylinder and comprises a plate body outer ring, a plate body inner ring, a rotary ring, a cover ring, an elastic sealing ring, a connection convex handle and a stationary blade; the rotary ring is arranged between the cover ring and the plate body outer ring, and the cover ring is connected with the plate body outer ring. The 150MW ultrahigh pressure steam extraction and condensing type turbine is used for heating power generation of combined heat and power generation.
Description
Technical field
The present invention relates to a kind of steam turbine, be specifically related to a kind of 150MW ultrahigh pressure extraction steam for factories condensing turbine.
Background technique
The domestic extraction steam for factories 150MW steam turbine set parameter put into operation is at present mainly draws gas from bleed steam pipework adapter, and the uncontrollable amount of drawing gas, causes energy loss, reduces unit working efficiency.
Summary of the invention
The present invention draws gas from bleed steam pipework adapter for solving existing 150MW steam turbine set, and the uncontrollable amount of drawing gas, causes energy loss, the problem that unit working efficiency reduces, and then provides a kind of 150MW ultrahigh pressure extraction-condensing steam turbine.
The present invention is the technological scheme taked that solves the problem: 150MW ultrahigh pressure extraction-condensing steam turbine of the present invention, and it comprises front bearing box, ultrahigh pressure HP-IP combined casing, middle (center) bearing case, ultrahigh pressure low pressure (LP) cylinder, after the bearing box, rotary separator, swirl gear and power mechanism; Be connected with ultrahigh pressure HP-IP combined casing between front bearing box and middle (center) bearing case, between middle (center) bearing case and after the bearing box, be connected with ultrahigh pressure low pressure (LP) cylinder;
Rotation dividing plate is installed in ultrahigh pressure HP-IP combined casing, rotates dividing plate and comprise plate body outer shroud, plate body inner ring, swivel becket, shroud ring, elastic sealing ring, the convex handle of connection and stator blade, swivel becket is furnished with between shroud ring and plate body outer shroud, shroud ring is connected with plate body outer shroud, stator blade welds with plate body inner ring and plate body outer shroud respectively, the side of plate body outer shroud and plate body inner ring is provided with DEVA alloy block, one side of swivel becket and DEVA alloy block rubbing contact, between shroud ring and swivel becket, there is balance cylinder, side between shroud ring is provided with two circle elastic sealing ring pads, the another side and two of swivel becket is enclosed sealing ring pad and is contacted and seal, connect convex handle to be connected with swivel becket, plate body outer shroud is alloy steel material, plate body inner ring is cast steel material, power mechanism is connected with driving mechanism, swirl gear be connected convex handle and connect, swirl gear can promote swivel becket and rotate.
The invention has the beneficial effects as follows: the present invention is energy saving, under the prerequisite of steam parameter adopting conventional fired power generating unit, Curve guide impeller is carried out to conventional 150MW superhigh pressure turbine group, increase rotary separator as the institution of distributing gas, change the flow area of rotary separator, reach adjustment extraction pressure and flow.Carry out joining vapour according to the extraction steam for factories requirement amount of user, decrease energy loss, improve unit working efficiency.Front bearing box, middle (center) bearing case and after the bearing box land alone respectively, ensure bearing dynamical height not by the impact that cylinder body expands, make bearing have good stability.Steam turbine structure of the present invention is advanced, complete machine characteristics of compact layout.
Accompanying drawing explanation
Fig. 1 is overall structure plan view of the present invention, and Fig. 2 is the E-E sectional view of Fig. 1, and Fig. 3 is the main TV structure schematic diagram of rotating barrier, and Fig. 4 is the A direction view of Fig. 3.
Embodiment
Embodiment one: composition graphs 1-Fig. 4 explanation, the 150MW ultrahigh pressure extraction-condensing steam turbine of present embodiment, it comprises front bearing box 1, ultrahigh pressure HP-IP combined casing 2, middle (center) bearing case 3, ultrahigh pressure low pressure (LP) cylinder 4, after the bearing box 5, rotary separator 6, swirl gear 9 and power mechanism 10; Be connected with ultrahigh pressure HP-IP combined casing 2 between front bearing box 1 and middle (center) bearing case 3, between middle (center) bearing case 3 and after the bearing box 5, be connected with ultrahigh pressure low pressure (LP) cylinder 4;
Be provided with in ultrahigh pressure HP-IP combined casing 2 and rotate dividing plate 6, rotate dividing plate 6 and comprise plate body outer shroud 6-1, plate body inner ring 6-2, swivel becket 6-3, shroud ring 6-4, elastic sealing ring 6-5, connect convex handle 6-6 and stator blade 6-9, swivel becket 6-3 is furnished with between shroud ring 6-4 and plate body outer shroud 6-1, shroud ring 6-4 is connected with plate body outer shroud 6-1, stator blade 6-9 welds with plate body outer shroud 6-1 and plate body inner ring 6-2 respectively, the side of plate body outer shroud 6-1 and plate body inner ring 6-2 is provided with DEVA alloy block 6-8, one side of swivel becket 6-3 and DEVA alloy block 6-8 rubbing contact, there is between shroud ring 6-4 and swivel becket 6-3 balance cylinder 6-7, side between shroud ring 6-4 is provided with two circle elastic sealing ring pad 6-5, the another side and two of swivel becket 6-3 is enclosed sealing ring pad 6-5 and is contacted and seal, connect convex handle 6-6 to be connected with swivel becket 6-3, plate body outer shroud 6-1 is alloy steel material, plate body inner ring 6-2 is cast steel material, power mechanism 10 is connected with driving mechanism 9, swirl gear 9 be connected convex handle 6-6 and connect, swirl gear 9 can promote swivel becket 6-3 and rotate.
The 150MW ultrahigh pressure extraction-condensing steam turbine of present embodiment devises New type rotary dividing plate, newly-designed dividing plate all adopts the structural type of individual pen window, changing cast structure is welded structure, blade is the milled blade carrying shroud, and plate body rotating ring and plate body stationary ring are alloyed steel, is anti-bite, rubbing surface adopts the DEVA alloy that friction factor is low, have employed improved type balance cylinder structure, the positive pressure of swivel becket to plate body inner ring can be reduced, thus decrease frictional force.Strict control swivel becket and shroud ring heat treatment process, reduce residual deformation.In order to reduce to open moment, thrust-balancing structure has done corresponding improvement, the extraction regulation of the parameter steam turbine that can be used for drawing gas.Ultrahigh pressure HP-IP combined casing 2 adopts push-pull rod body to be connected with between front bearing box 1 and middle (center) bearing case 2.Elastic sealing ring pad 6-5 is arranged in the groove 6-4-1 of shroud ring 6-4, also pushes up compression elasticity seal ring by elastic element (as spring).During use, the pin of swivel becket and plate body inner ring plays positioning action, and after field adjustable completes, pin is pulled down.
The unit of present embodiment can be adapted to ultrahigh pressure, twin-tub, resuperheat, single shaft, double split flow, extraction-condensing steam turbine.Unit parameter: initial steam pressure 13.24MPa, initial steam temperature 535 DEG C, reheat steam temperature 535 DEG C, extraction pressure 0.5884MPa, extraction steam for factories amount 150t/h.
Embodiment two: composition graphs 4 illustrates, the swirl gear 9 of present embodiment comprises lever 9-2, connecting rod 9-3 and fork 9-4; Power mechanism 10 is oil engine, oil engine is arranged on the hull outside face of ultrahigh pressure HP-IP combined casing 2, the piston rod of oil engine and one end of lever 9-2 are rotationally connected, the other end of lever 9-2 is connected with one end of connecting rod 9-3, the other end rotary seal of lever 9-2 is arranged on ultrahigh pressure HP-IP combined casing 2 housing, connecting rod 9-3 and fork 9-4 is arranged in ultrahigh pressure HP-IP combined casing 2, and the other end of connecting rod 9-3 is connected with fork 9-4, fork 9-4 be connected convex handle 6-6 and connect.Setting like this, swivel becket has and connects convex handle, convex handle is connected with low pressure oil motivation lever, under actuating mechanism controls, and the action of low pressure oil motivation, by the effect of lever, the transform linear motion of oil engine is the rotary motion of the swivel becket of rotating barrier, thus change swivel becket window adjusts dividing plate flow area or flow, reaches the order of adjustment extraction pressure, meet the extraction steam for factories requirement amount of user, reach energy saving.The piston rod of oil engine 10 moves upward, drive lever 9-2 to rotate, drive connecting rod 9-3 and fork 9-4 to move downward, be with the convex handle 6-6 that is dynamically connected to move downward, when the central junction line D connecting convex handle 6-6 and swivel becket 6-3 turns to central junction line C position, swivel becket window contract fully; The piston rod of oil engine 10 moves downward, drive lever 9-2 to rotate, connecting rod 9-3 and fork 9-4 moves upward, and is with the convex handle 6-6 that is dynamically connected to move upward, when the central junction line D connecting convex handle 6-6 and swivel becket 6-3 turns to central junction line B position, swivel becket window is opened entirely.Other is identical with embodiment one.
Embodiment three: composition graphs 3 illustrates, the plate body outer shroud 6-1 of present embodiment is chrome molybdenum steel plate body outer shroud, and plate body inner ring 6-2 is Cr-Mo steel plate body inner ring.Setting like this, adopt chrome-moly steel, heatproof can reach 500 DEG C, therefore can long-term safe operation 400 DEG C time.Other is identical with embodiment one or two.
Embodiment four: composition graphs 2 illustrates, 150MW ultrahigh pressure extraction-condensing steam turbine described in present embodiment also comprises two main vapour and regulates the main vapour of union valve 7, two to regulate union valve 7 be arranged in the both sides of ultrahigh pressure HP-IP combined casing 2 and be communicated with ultrahigh pressure HP-IP combined casing 2.Setting like this, during the admission of ultrahigh pressure HP-IP combined casing, is convenient to regulate throttle flow.Other is identical with embodiment three.
Embodiment five: composition graphs 2 illustrates, 150MW ultrahigh pressure extraction-condensing steam turbine described in present embodiment also comprises two main vapour of reheating and regulates the main vapour of union valve 8, two reheating to regulate union valve 8 be arranged in the both sides of ultrahigh pressure HP-IP combined casing 2 and be communicated with ultrahigh pressure HP-IP combined casing 2 respectively by pipeline.Meet actual reproduction to draw gas actual demand.Other with embodiment one, two or four identical.
Claims (5)
1.150MW ultrahigh pressure extraction-condensing steam turbine, is characterized in that: it comprises front bearing box (1), ultrahigh pressure HP-IP combined casing (2), middle (center) bearing case (3), ultrahigh pressure low pressure (LP) cylinder (4), after the bearing box (5), rotary separator (6), swirl gear (9) and power mechanism (10); Be connected with ultrahigh pressure HP-IP combined casing (2) between front bearing box (1) and middle (center) bearing case (3), between middle (center) bearing case (3) and after the bearing box (5), be connected with ultrahigh pressure low pressure (LP) cylinder (4);
Be provided with in ultrahigh pressure HP-IP combined casing (2) and rotate dividing plate (6), rotate dividing plate (6) and comprise plate body outer shroud (6-1), plate body inner ring (6-2), swivel becket (6-3), shroud ring (6-4), elastic sealing ring (6-5), connect convex handle (6-6) and stator blade (6-9), swivel becket (6-3) is furnished with between shroud ring (6-4) and plate body outer shroud (6-1), shroud ring (6-4) is connected with plate body outer shroud (6-1), stator blade (6-9) welds with plate body inner ring (6-2) and plate body outer shroud (6-1) respectively, the side of plate body outer shroud (6-1) and plate body inner ring (6-2) is provided with DEVA alloy block (6-8), one side of swivel becket (6-3) and DEVA alloy block (6-8) rubbing contact, there is between shroud ring (6-4) and swivel becket (6-3) balance cylinder (6-7), side between shroud ring (6-4) is provided with two circle elastic sealing ring pads (6-5), the another side and two of swivel becket (6-3) is enclosed sealing ring pad (6-5) and is contacted and seal, connect convex handle (6-6) to be connected with swivel becket (6-3), plate body outer shroud (6-1) is the external ring of alloy-steel plate, plate body inner ring (6-2) is cast steel plate body inner ring, power mechanism (10) is connected with driving mechanism (9), swirl gear (9) be connected convex handle (6-6) and connect, swirl gear (9) can promote swivel becket (6-3) and rotate.
2. 150MW ultrahigh pressure extraction-condensing steam turbine according to claim 1, is characterized in that: swirl gear (9) comprises lever (9-2), connecting rod (9-3) and fork (9-4), power mechanism (10) is oil engine, oil engine is arranged on the hull outside face of ultrahigh pressure HP-IP combined casing (2), one end of the piston rod of oil engine and lever (9-2) is rotationally connected, the other end of lever (9-2) is connected with one end of connecting rod (9-3), the other end rotary seal of lever (9-2) is arranged on ultrahigh pressure HP-IP combined casing (2) housing, connecting rod (9-3) and fork (9-4) are arranged in ultrahigh pressure HP-IP combined casing (2), the other end of connecting rod (9-3) is connected with fork (9-4), fork (9-4) be connected convex handle (6-6) and connect.
3. 150MW ultrahigh pressure extraction-condensing steam turbine according to claim 1 and 2, is characterized in that: plate body outer shroud (6-1) is chrome molybdenum steel plate body outer shroud, and plate body inner ring (6-2) is casting Cr-Mo steel plate body inner ring.
4. 150MW ultrahigh pressure extraction-condensing steam turbine according to claim 3, it is characterized in that: described 150MW ultrahigh pressure extraction-condensing steam turbine also comprises two main vapour and regulates union valve (7), two main vapour regulate union valve (7) be arranged in the both sides of ultrahigh pressure HP-IP combined casing (2) and be communicated with ultrahigh pressure HP-IP combined casing (2).
5. the 150MW ultrahigh pressure extraction-condensing steam turbine according to claim 1,2 or 4, it is characterized in that: described 150MW ultrahigh pressure extraction-condensing steam turbine also comprises two main vapour of reheating and regulates union valve (8), and two main vapour of reheating regulate union valve (8) be arranged in the both sides of ultrahigh pressure HP-IP combined casing (2) and be communicated with ultrahigh pressure HP-IP combined casing (2) respectively by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707436.9A CN105201566B (en) | 2015-10-27 | 2015-10-27 | 150MW ultrahigh pressure steam extraction and condensing type turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510707436.9A CN105201566B (en) | 2015-10-27 | 2015-10-27 | 150MW ultrahigh pressure steam extraction and condensing type turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105201566A true CN105201566A (en) | 2015-12-30 |
| CN105201566B CN105201566B (en) | 2017-01-11 |
Family
ID=54949478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510707436.9A Active CN105201566B (en) | 2015-10-27 | 2015-10-27 | 150MW ultrahigh pressure steam extraction and condensing type turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105201566B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185504A (en) * | 2019-05-20 | 2019-08-30 | 山东齐鲁电机制造有限公司 | A kind of front bearing box and its remodeling method |
| CN114542206A (en) * | 2022-03-09 | 2022-05-27 | 中国船舶重工集团公司第七0三研究所 | Bearing box of compact structure type unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202659288U (en) * | 2012-06-28 | 2013-01-09 | 哈尔滨汽轮机厂有限责任公司 | 60Hz and 200MV of three-pressure reheat combined-cycle steam turbine |
| CN203257480U (en) * | 2013-06-03 | 2013-10-30 | 哈尔滨汽轮机厂有限责任公司 | 150MW steam turbine for combined heat and power generation heat supply |
| CN203285490U (en) * | 2013-06-21 | 2013-11-13 | 哈尔滨汽轮机厂有限责任公司 | 150MW combined cycle heating extraction turbine |
| CN104033194A (en) * | 2014-05-21 | 2014-09-10 | 杭州中能汽轮动力有限公司 | Dual-pull-rod self-lubricating balanced type rotating separation plate |
| CN205078309U (en) * | 2015-10-27 | 2016-03-09 | 哈尔滨汽轮机厂有限责任公司 | 150MW superhigh pressure condensing steam turbine that draws gas |
-
2015
- 2015-10-27 CN CN201510707436.9A patent/CN105201566B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202659288U (en) * | 2012-06-28 | 2013-01-09 | 哈尔滨汽轮机厂有限责任公司 | 60Hz and 200MV of three-pressure reheat combined-cycle steam turbine |
| CN203257480U (en) * | 2013-06-03 | 2013-10-30 | 哈尔滨汽轮机厂有限责任公司 | 150MW steam turbine for combined heat and power generation heat supply |
| CN203285490U (en) * | 2013-06-21 | 2013-11-13 | 哈尔滨汽轮机厂有限责任公司 | 150MW combined cycle heating extraction turbine |
| CN104033194A (en) * | 2014-05-21 | 2014-09-10 | 杭州中能汽轮动力有限公司 | Dual-pull-rod self-lubricating balanced type rotating separation plate |
| CN205078309U (en) * | 2015-10-27 | 2016-03-09 | 哈尔滨汽轮机厂有限责任公司 | 150MW superhigh pressure condensing steam turbine that draws gas |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185504A (en) * | 2019-05-20 | 2019-08-30 | 山东齐鲁电机制造有限公司 | A kind of front bearing box and its remodeling method |
| CN110185504B (en) * | 2019-05-20 | 2024-08-30 | 山东齐鲁电机制造有限公司 | Transformation method of front bearing box |
| CN114542206A (en) * | 2022-03-09 | 2022-05-27 | 中国船舶重工集团公司第七0三研究所 | Bearing box of compact structure type unit |
| CN114542206B (en) * | 2022-03-09 | 2024-02-20 | 中国船舶重工集团公司第七0三研究所 | Bearing box of compact structure unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105201566B (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102410088B (en) | Adjustable guide vane system of gas turbine power turbine | |
| CN103925011B (en) | A kind of 9F level black soy sauce axial exhaust turbine | |
| CN102022142B (en) | Built-in steam extraction controlling and regulating valve set for steam turbine | |
| CN105626164B (en) | The method of work of transmission accuracy and the slidingtype nozzle of wearability can be effectively improved | |
| CN102140938A (en) | Double-cylinder coaxial combined cycle heat supply gas turbine | |
| CN105201566A (en) | 150MW ultrahigh pressure steam extraction and condensing type turbine | |
| CN104533550B (en) | The Double reheat steam turbine ultra-high pressure cylinder that all feedwater backheat is drawn gas can be provided | |
| CN102996852A (en) | Hydraulic self-operated three-way valve | |
| CN205078309U (en) | 150MW superhigh pressure condensing steam turbine that draws gas | |
| CN203285490U (en) | 150MW combined cycle heating extraction turbine | |
| CN104482253A (en) | Combined valve | |
| CN104033194A (en) | Dual-pull-rod self-lubricating balanced type rotating separation plate | |
| CN105804802A (en) | 350 MW supercritical double-cylinder and double-exhaust steam turbine | |
| CN102352782A (en) | Rotating barrier for extraction steam turbine with 300MW power | |
| CN201875157U (en) | High-temperature butterfly valve | |
| CN104047642A (en) | Turbine rotary partition board extracting steam at middle part and inletting steam at periphery | |
| CN103032115A (en) | Cogeneration condensing steam turbine | |
| CN203742680U (en) | 9F Class double-extraction axial exhaust steam turbine | |
| CN103644001B (en) | A kind of steam turbine set of black soy sauce heating steam being carried out to dynamic regulation | |
| CN204299774U (en) | A kind of Combinatory for adjustable blade propeller turbine and there is the hydraulic turbine of this oil head | |
| CN102032377B (en) | High-temperature butterfly valve | |
| CN203809067U (en) | Double-pull-rod self-lubricating balanced-type rotating partition | |
| CN208793262U (en) | A kind of variable-ratio impeller for furnace water pump | |
| CN207975675U (en) | A kind of indeformable constant air leak rate of air curtain sealing device of push-down air preheater | |
| CN208749409U (en) | Steam turbine and power generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221216 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |
|
| TR01 | Transfer of patent right |