CN108087043A - Saving energy in Steam Turbine reconstruction structure and its remodeling method - Google Patents
Saving energy in Steam Turbine reconstruction structure and its remodeling method Download PDFInfo
- Publication number
- CN108087043A CN108087043A CN201711437950.0A CN201711437950A CN108087043A CN 108087043 A CN108087043 A CN 108087043A CN 201711437950 A CN201711437950 A CN 201711437950A CN 108087043 A CN108087043 A CN 108087043A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- steam turbine
- saving energy
- vaporium
- reconstruction structure
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K13/00—General layout or general methods of operation of complete plants
Abstract
The invention discloses a kind of Saving energy in Steam Turbine reconstruction structure and its remodeling method, including cylinder, vaporium, regulating valve, nozzle sets, single-row governing stage impeller, pressure stage impeller, multistage partition plate, diaphragm gland, septalium, preceding mounting, back rest frame, bearing, jiggering, rotor assembly, bearing housing, front steam seal, rear packing and shaft coupling；The present invention has the characteristics that small investment, short time limit, operation is simple, does not change the rotating speed of former steam turbine and efficient, the efficiency of unit in the unit actual motion transformed, and security has smoothly all reached predetermined requirement, and effect is very good.
Description
Technical field
The present invention relates to machinery field more particularly to a kind of Saving energy in Steam Turbine reconstruction structures and its remodeling method.
Background technology
Steam turbine is the rotary power machinery that the energy of steam is converted into mechanical work, is made extensively in production and living
With.Main prime mover for being used as power generation, can also directly drive various pumps, wind turbine, compressor and propeller for vessels etc..It can be with
Meet production and heat supply needs in life using the steam discharge of steam turbine or intermediate extraction.
Most of steam turbine of below the 60MW run at present in enterprise is the steamer of the forties importing technology production
Machine, with the development of the times the efficiency far of these steam turbines cannot meet the needs of production, many enterprises are by these steamers
Machine be changed to it is domestic introduce or the high rotating speed steam turbine of import, these steam turbines have very high efficiency, but at home
There is following shortcomings in transformation process：
Basis change is big when the 1st, transforming, and the construction period is long.
2nd, investment is high.
3rd, operation is difficult, and the quality of Enterprise Staffs a lot of at present can not operate such unit.
4th, maintenance cost is high.
5th, band gearbox increases trouble point and noise.
The content of the invention
The purpose of the present invention：A kind of Saving energy in Steam Turbine reconstruction structure and its remodeling method are provided, it can utilize original
Subsidiary engine, do not change the rotating speed of former unit, investment it is small on the premise of, provide that a kind of basis change is small, steamer that unit efficiency is high
Machine energy-conserving reconstruction method, and efficiently solve the problems, such as existing in the prior art.
To achieve these goals, the technical scheme is that：
A kind of Saving energy in Steam Turbine reconstruction structure, including cylinder, vaporium, regulating valve, nozzle sets, single-row governing stage impeller, pressure
Grade impeller, multistage partition plate, diaphragm gland, septalium, preceding mounting, back rest frame, bearing, jiggering, rotor assembly, bearing housing, preceding vapour
Envelope, rear packing and shaft coupling；The regulating valve is mounted in the vaporium, and the vaporium is welded on the vapour
On cylinder；The front end and rear end of the cylinder are adapted to respectively on the preceding mounting and back rest frame, the nozzle sets
The inside of the cylinder is mounted by means of bolts on, the multistage partition plate is mounted on institute by the septalium respectively
In the cylinder stated；The rotor assembly by the pressure stage impeller be mounted on the cylinder in, and with it is described before
Leave gap between packing, rear packing and diaphragm gland, the bearing is mounted in the bearing housing, the bearing and
Jiggering is adapted to connection with the rotor assembly respectively；The shaft coupling is connected with the shaft coupling of trailing equipment, described
Single-row governing stage impeller be separately mounted in the cylinder.
Above-mentioned Saving energy in Steam Turbine reconstruction structure, wherein, flow area is added in the nozzle sets, reduces nozzle
The enthalpy drop of group.
Above-mentioned Saving energy in Steam Turbine reconstruction structure, wherein, the series of the multistage partition plate increases.
Above-mentioned Saving energy in Steam Turbine reconstruction structure, wherein, the rotor assembly is monobloc forging rigid rotator.
Above-mentioned Saving energy in Steam Turbine reconstruction structure, wherein, the rotor assembly adds the pressure stage impeller
Series.
A kind of remodeling method of Saving energy in Steam Turbine reconstruction structure, including：
Step 1：Cylinder, vaporium, servo valve, nozzle sets, partition plate, front steam seal, rear packing, the rotor for removing former steam turbine are total
Into, shaft coupling.
Step 2：Improved turbine governor valve is mounted in the vaporium newly replaced.
Step 3：Vaporium is welded on the cylinder newly replaced.
Step 4：The cylinder newly replaced matches with original preceding mounting and back rest frame and is mounted on preceding mounting and back rest frame
On.
Step 5：The nozzle sets newly replaced are fixed by bolts to cylinder internal, and new nozzle sets add flow area.
Step 6：The cylinder internal ratio original unit newly replaced adds partition plate series, and partition plate is mounted in the septalium of cylinder.
Step 7：The rotor assembly newly replaced adds the series of pressure stage impeller.
Step 8：The rotor assembly newly replaced matches with the bearing in bearing housing after original steam turbine and jiggering component
Installation.
Step 9：The shaft coupling newly replaced connects constant with the shaft coupling of trailing equipment, does not change the rotating speed of steam turbine
The remodeling method of above-mentioned Saving energy in Steam Turbine reconstruction structure, wherein, in the step 5, by original velocity-compounded stage leaf
Wheel is changed to single-row governing stage impeller.
The present invention have the characteristics that invest low, short time limit, operation simply, do not change the rotating speed of former steam turbine and efficient,
The efficiency of unit in the unit actual motion transformed, security have smoothly all reached predetermined requirement, and effect is very
It is good.
Description of the drawings
Fig. 1 is the sectional view of the steam turbine of the prior art.
Fig. 2 is the sectional view of Saving energy in Steam Turbine reconstruction structure of the present invention.
Specific embodiment
The embodiment further illustrated the present invention below in conjunction with attached drawing.
It refers to shown in attached drawing 1 and attached drawing 2, a kind of Saving energy in Steam Turbine reconstruction structure, including cylinder 1, vaporium 2, adjusts
Valve 3, nozzle sets 4, single-row governing stage impeller 11, pressure stage impeller 12, multistage partition plate 5, diaphragm gland 19, septalium 13, front stall
Frame 14, back rest frame 15, bearing 16, jiggering 17, rotor assembly 8, bearing housing 20, front steam seal 6, rear packing 7 and shaft coupling 9；It is described
Regulating valve 3 be mounted in the vaporium 2, the vaporium 2 is welded on the cylinder 1；The cylinder 1
Front end and rear end are adapted to respectively on the preceding mounting 14 and back rest frame 15, and the nozzle sets 4 are bolted
Mounted on the inside of the cylinder 1, the multistage partition plate 5 is mounted on the cylinder by the septalium 13 respectively
In 1；The rotor assembly 8 by the pressure stage impeller 12 be mounted on the cylinder 1 in, and with the front steam seal
6th, gap is left between rear packing 7 and diaphragm gland 19, the bearing 16 is in the bearing housing 20, the bearing
16 and jiggering 17 be adapted to connection with the rotor assembly 8 respectively；The shaft coupling 9 and the shaft coupling 18 of trailing equipment
Connection, the single-row governing stage impeller 11 are separately mounted in the cylinder 1.
Add flow area in the nozzle sets 4, make by steam reduce enthalpy drop.
The series of the multistage partition plate 5 increases.
The rotor assembly 8 is monobloc forging rigid rotator, reduce rotor assembly 8 and diaphragm gland 19, front steam seal 5, after
Gap between packing 6.
The rotor assembly 8 adds the series of the pressure stage impeller 12.
A kind of remodeling method of Saving energy in Steam Turbine reconstruction structure, including：
Step 1：Remove cylinder 1, vaporium 2, servo valve 3, nozzle sets 4, partition plate 5, front steam seal 6, the rear packing of former steam turbine
7th, rotor assembly 8, shaft coupling 9.
Step 2：Improved turbine governor valve 3 is mounted in the vaporium 2 newly replaced.
Step 3：Vaporium 2 is welded on the cylinder 1 newly replaced.
Step 4：The cylinder 1 newly replaced match with original preceding mounting 14 and back rest frame 15 and mounted on preceding mounting 14 and
On back rest frame 15.
Step 5：The nozzle sets 4 newly replaced are fixed by bolts to inside cylinder 1, and new nozzle sets 4 add flow area,
Make by steam reduce enthalpy drop.
Step 6：The 1 internal ratio original unit of cylinder newly replaced adds 5 series of partition plate, and partition plate 5 is mounted on the septalium of cylinder 1
In 13.
Step 7：The rotor assembly 8 newly replaced adds the series of pressure stage impeller 12.
Step 8：The rotor assembly 8 newly replaced and the 17 grade portions of bearing 16 and jiggering in bearing housing 20 after original steam turbine
Part matches installation.
Step 9：The shaft coupling 9 and the shaft coupling 18 of trailing equipment newly replaced connect constant, do not change steam turbine
Rotating speed.
In the step 5, original Curtis wheel 10 is changed to single-row governing stage impeller 11 if necessary.
In the present invention, not the front and rear mounting to the steam turbine of the prior art and with the type of attachment of cylinder, bearing block
And the form of bearing and bearing block internal part, main inlet throttle-stop valve and manipulation seat, regulating system, oil system, barring gear, condensing system
The components such as system, main oil pump are transformed, i.e., original generator or trailing equipment and steam turbine it is unrelated equipment it is motionless.
It invests low, short time limit in conclusion the present invention has, run rotating speed and efficiency simple, that do not change former steam turbine
The characteristics of high, the efficiency of unit in the unit actual motion transformed, security have smoothly all reached predetermined requirement,
Effect is very good.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization
The equivalent structure transformation that present specification is made, directly or indirectly with the technology neck for being attached to other Related products
Domain is included within the scope of the present invention.
Claims (7)
1. a kind of Saving energy in Steam Turbine reconstruction structure, it is characterised in that：Including cylinder, vaporium, regulating valve, nozzle sets, single-row tune
Assistant warden impeller, pressure stage impeller, multistage partition plate, diaphragm gland, septalium, preceding mounting, back rest frame, bearing, jiggering, rotor are total
Into, bearing housing, front steam seal, rear packing and shaft coupling；The regulating valve is mounted in the vaporium, the vaporium
It is welded on the cylinder；The front end and rear end of the cylinder are adapted to respectively mounted on the preceding mounting and back rest frame
On, the nozzle sets are mounted by means of bolts on the inside of the cylinder, and the multistage partition plate is respectively by described
Septalium be mounted on the cylinder in；The rotor assembly is mounted on the cylinder by the pressure stage impeller
It is interior, and gap is left between the front steam seal, rear packing and diaphragm gland, the bearing is mounted in the bearing housing
Interior, the bearing and jiggering are adapted to connection with the rotor assembly respectively；The shaft coupling and trailing equipment
Shaft coupling connects, and the single-row governing stage impeller is separately mounted in the cylinder.
2. Saving energy in Steam Turbine reconstruction structure according to claim 1, it is characterised in that：It is added in the nozzle sets logical
Flow area reduces the enthalpy drop of nozzle sets.
3. Saving energy in Steam Turbine reconstruction structure according to claim 1, it is characterised in that：The series of the multistage partition plate increases
Add.
4. Saving energy in Steam Turbine reconstruction structure according to claim 1, it is characterised in that：The rotor assembly is firm for monobloc forging
Property rotor.
5. Saving energy in Steam Turbine reconstruction structure according to claim 1, it is characterised in that：The rotor assembly adds institute
The series for the pressure stage impeller stated.
6. a kind of remodeling method of Saving energy in Steam Turbine reconstruction structure applied to described in claim 1-5 any one, feature
It is：Including：
Step 1：Cylinder, vaporium, servo valve, nozzle sets, partition plate, front steam seal, rear packing, the rotor for removing former steam turbine are total
Into, shaft coupling；
Step 2：Improved turbine governor valve is mounted in the vaporium newly replaced；
Step 3：Vaporium is welded on the cylinder newly replaced；
Step 4：The cylinder newly replaced matches and is mounted on preceding mounting and back rest frame with original preceding mounting and back rest frame；
Step 5：The nozzle sets newly replaced are fixed by bolts to cylinder internal, and new nozzle sets add flow area；
Step 6：The cylinder internal ratio original unit newly replaced adds partition plate series, and partition plate is mounted in the septalium of cylinder；
Step 7：The rotor assembly newly replaced adds the series of pressure stage impeller；
Step 8：The rotor assembly newly replaced and the bearing in bearing housing after original steam turbine and jiggering component match installation；
Step 9：The shaft coupling newly replaced connects constant with the shaft coupling of trailing equipment, does not change the rotating speed of steam turbine.
7. the remodeling method of Saving energy in Steam Turbine reconstruction structure according to claim 6, it is characterised in that：In the step
In 5, original Curtis wheel is changed to single-row governing stage impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711437950.0A CN108087043A (en) | 2017-12-26 | 2017-12-26 | Saving energy in Steam Turbine reconstruction structure and its remodeling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711437950.0A CN108087043A (en) | 2017-12-26 | 2017-12-26 | Saving energy in Steam Turbine reconstruction structure and its remodeling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108087043A true CN108087043A (en) | 2018-05-29 |
Family
ID=62179545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711437950.0A Pending CN108087043A (en) | 2017-12-26 | 2017-12-26 | Saving energy in Steam Turbine reconstruction structure and its remodeling method |
Country Status (1)
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|---|---|
| CN (1) | CN108087043A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901284A (en) * | 2021-01-19 | 2021-06-04 | 沂源县华阳能源设备有限公司 | Novel adjusting sheath |
| CN112943386A (en) * | 2021-01-19 | 2021-06-11 | 沂源县华阳能源设备有限公司 | Novel model of high temperature high back pressure |
-
2017
- 2017-12-26 CN CN201711437950.0A patent/CN108087043A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901284A (en) * | 2021-01-19 | 2021-06-04 | 沂源县华阳能源设备有限公司 | Novel adjusting sheath |
| CN112943386A (en) * | 2021-01-19 | 2021-06-11 | 沂源县华阳能源设备有限公司 | Novel model of high temperature high back pressure |
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Application publication date: 20180529 |