CN109611162A - A kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam - Google Patents
A kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam Download PDFInfo
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- CN109611162A CN109611162A CN201811251037.6A CN201811251037A CN109611162A CN 109611162 A CN109611162 A CN 109611162A CN 201811251037 A CN201811251037 A CN 201811251037A CN 109611162 A CN109611162 A CN 109611162A
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- turbine module
- steam
- speed shaft
- oil
- power generation
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- 238000010248 power generation Methods 0.000 title claims abstract description 21
- 229920006395 saturated elastomer Polymers 0.000 title claims abstract description 19
- 230000005611 electricity Effects 0.000 title claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 6
- 238000010168 coupling process Methods 0.000 claims abstract description 6
- 238000005859 coupling reaction Methods 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 43
- 238000007789 sealing Methods 0.000 claims description 8
- 125000002837 carbocyclic group Chemical group 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000006378 damage Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- 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
- 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
- F01D25/32—Collecting of condensation water; Drainage ; Removing solid particles
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
Abstract
The present invention provides a kind of energy-saving steam turbine power generation units to be generated electricity using low-pressure saturated steam, including skid pedestal；Generator is equipped with by shockproof support base on the skid pedestal；The right side of the generator is linked into reduction gear box and low speed axis connection by shaft coupling；Guide vane and rotor leaf dish and blade are equipped in the first order turbine module；The top that reduction gear box is mounted on into vapour housing, left side are connected and fixed steam discharge housing；The second level turbine module is identical as the internal structure of first order turbine module, is located at the front of the first high speed shaft, is switched in third level turbine module by diversion pipe；The oil return pipe is linked into oil filter；Independent between each turbine module of the present invention, there is no the process effects after blade injury, and are designed using high rate turbine, and expansion ratio is high, and exhaust steam pressure can accomplish negative pressure, can make full use of enthalpy drop, and generated output is big, and efficiency is higher.
Description
Technical field
The present invention relates to industrial enterprise's low grade residual heats to recycle technical field of power generation, specifically a kind of to be steamed using low pressure saturation
The energy-saving steam turbine power generation unit of vapour power generation.
Background technique
At present for low-pressure saturated steam by the way of there are two types of.One is using low-pressure saturated steam steam turbine as
Prime mover directly drags the compressor, blower, water pump etc. of industrial enterprise, but necessarily requires the power of driven equipment and prime mover defeated
Power out matches, and there is still a need for emptying for the low-pressure steam of redundance, and the complete recycling of low grade heat energy is not implemented, cannot
It can be regarded as the approach for thoroughly solving the problems, such as this；Another kind is that the low grade heat energy of low-pressure saturated steam is changed into high-grade electric energy
Cogeneration mode, can recovered steam thermal energy to greatest extent, power output is converted into, for used in enterprise, being industry energy conservation
While bring economic well-being of workers and staff.
Currently used cogeneration technology has screw expansion power generation and turbine generator technology.Screw expander is to pass through steaming
Volume variation of the vapour between yin-yang screw rod, expansion work, the equipment for converting heat into electric energy.Due to the limit of its immanent structure
System, when outlet pressure reduce, expansion ratio increase when, especially require exhaust steam pressure be vacuum when, screw machine cannot achieve.Therefore
Its exhaust steam pressure is relatively high, cannot accomplish negative pressure, therefore cannot make full use of steam enthalpy drop, and energy cannot obtain to greatest extent
It recycles, efficiency is lower.And steam turbine power generation technology is although high-efficient, steam discharge can also accomplish negative pressure, but usually require that
Steam inlet condition is superheated steam, when low-pressure steam is saturation state, is done work by turbine expansion, pressure reduction, vapor
Liquefaction generates water droplet, and water erosion easily occurs for high-speed rotating blade.When Design of Steam Turbine is multistage, the damage of a grade blade can also
Related reaction occurs, causes the water erosion and damage of multistage blade.So currently available technology exists or efficiency is lower, or to steam
The problems such as quality requirements are higher needs to design a kind of energy-saving steam turbine, specifically for low pressure to solve the problems, such as this
Saturated vapor is recycled, and can make full use of steam enthalpy drop, improves generating efficiency.
Summary of the invention
The purpose of the present invention is to provide it is a kind of using low-pressure saturated steam generate electricity energy-saving steam turbine power generation unit, with
Solve the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme:
A kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam, including skid pedestal；The skid
Generator is equipped with by shockproof support base on pedestal；The right side of the generator is linked into reduction gear box by shaft coupling
With low speed axis connection；The reduction gear box connection is mounted on skid the middle of the base, and front and rear sides are connected by bearing and installed
There are the first high speed shaft and the second high speed shaft；The slow-speed shaft engages biography with the first high speed shaft and the second high speed shaft by toothed disc
It is dynamic；The left side of second high speed shaft is equipped with first order turbine module；Guide vane and rotor are equipped in the first order turbine module
Leaf dish and blade；The rotor leaf dish and blade are sealedly connected on by the labyrinth sealing of three-level carbocyclic ring and dry gas seals into vapour cover
On shell；The top that reduction gear box is mounted on into vapour housing, left side are connected and fixed steam discharge housing；On the steam discharge housing
It is linked into the turbine module of the second level by diversion pipe；The inside of the second level turbine module and first order turbine module
Structure is identical, is located at the front of the first high speed shaft, is switched in third level turbine module by diversion pipe；The third level
The front of turbine module is equipped with steam drain；Main oil pump is connected with by oil inlet pipe on reduction gear box, interior bottom portion is disposed with
Lubricating oil recycling bins are connect with oil return pipe；The oil return pipe is linked into oil filter.
As a further solution of the present invention: the first order turbine module is sealed by comb-tooth-type and is connected with nitrogen-sealed
It is mounted on the rear of reduction gear box, is mounted therein with nozzle.
As a further solution of the present invention: the internal structure phase of the third level turbine module and first order turbine module
Together, it is located at the right side of the first high speed shaft.
As further scheme of the invention: the rear end of the oil filter is linked into oil cooler；The cold oil
The rear end of device by oil inlet pipe be linked into main oil pump with exchange in oil pump.
Compared with prior art, the beneficial effects of the present invention are:
The present invention reduces impeller radial dimension, staring torque is small, and warm-up period is short, can by using high Design of Rotation
It realizes rapid starting/stopping, low-pressure saturated steam UTILIZATION OF VESIDUAL HEAT IN occasion larger, that heat source is unstable is fluctuated suitable for industry, lead to simultaneously
Independent turbine module cantilever design is crossed, impeller leaf dish uses stainless steel material, cooperates unique hydrophobic structure, saturation can be steamed
The drop that vapour generates thoroughly is discharged, the occasion that particularly suitable saturated vapor utilizes, independent between each turbine module, and blade is not present
Process effects after damage, and designed using high rate turbine, expansion ratio is high, and exhaust steam pressure can accomplish negative pressure, can be sufficiently sharp
With enthalpy drop, generated output is big, and efficiency is higher.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of energy-saving steam turbine power generation unit using low-pressure saturated steam power generation.
Fig. 2 be it is a kind of using low-pressure saturated steam power generation energy-saving steam turbine power generation unit in turbine inside modules knot
Structure schematic diagram.
Fig. 3 shows for integrally-built structure in a kind of energy-saving steam turbine power generation unit using low-pressure saturated steam power generation
It is intended to.
In figure: 1- generator, 2- shaft coupling, 3- steam discharge housing, 4- is into vapour housing, 5- first order turbine module, 6- oil strain
Device, 7- exchange oil pump, 8- oil cooler, 9- main oil pump, 10- steam drain, 11- diversion pipe, 12- skid pedestal, 13- guide vane,
14- steam discharge cover, 15- nozzle, 16- rotor leaf dish and blade, 17- slow-speed shaft, the first high speed shaft of 18-, 19- three-level carbocyclic ring labyrinth type
Sealing and dry gas seals, the sealing of 20- comb-tooth-type and nitrogen-sealed, the second level 21- turbine module, 22- reduction gear box, 23- the
Three-level turbine module, the second high speed shaft of 24-, the shockproof support base of 25-, 26- oil inlet pipe, 27- oil return pipe.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Please refer to Fig. 1-3, a kind of energy-saving steam turbine power generation unit to generate electricity using low-pressure saturated steam, including skid bottom
Seat 12；Generator 1 is equipped with by shockproof support base 25 on the skid pedestal 12, not only can pass through installation for other components
Space, while can effectively absorb unit dynamic loading, makes grade level be subjected only to static load, without be in the milk, foundation bolt
Deng complicated foundation of civil work；The right side of the generator 1 is linked into reduction gear box 22 by shaft coupling 2 to be connected with slow-speed shaft 17
It connects；The connection of reduction gear box 22 is mounted on 12 middle part of skid pedestal, and front and rear sides are connected and installed with first by bearing
High speed shaft 18 and the second high speed shaft 24 provide installation space for internal component；The slow-speed shaft 17 passes through toothed disc and first
24 engaged transmission of high speed shaft 18 and the second high speed shaft；The left side of second high speed shaft 24 is equipped with first order turbine module 5；Described first
Grade turbine module 5 connects the rear for being mounted on reduction gear box 22 by comb-tooth-type sealing and nitrogen-sealed 20, is mounted therein with
Nozzle 15 allows steam to be injected in it by nozzle 15；The comb-tooth-type sealing and nitrogen-sealed 20 are for preventing outside lubricating oil
Infiltration causes oil gas mutually to be leapt up；Guide vane 13 and rotor leaf dish and blade 16 are equipped in first order turbine module 5；The guide vane
The 13 Steam Actuation rotor leaf dishes sprayed by nozzle 15 and blade 16 rotate expansion work；Rotor leaf dish and blade 16 pass through three
Grade carbocyclic ring labyrinth sealing and dry gas seals 19 are sealedly connected on vapour housing 4, prevent vapour losses；It is described into vapour housing 4
It is mounted on the top of reduction gear box 22, left side is connected and fixed steam discharge housing 3；Pass through diversion pipe 11 on the steam discharge housing 3
It is linked into second level turbine module 21, steam is adequately utilized；The second level turbine module 21 and
The internal structure of level-one turbine module 5 is identical, is located at the front of the first high speed shaft 18, is switched to third by diversion pipe 11
In grade turbine module 23；The third level turbine module 23 is identical as the internal structure of first order turbine module 5, and it is high to be located at first
The right side of fast axis 18 can effectively offset the axial stress in operational process, while three-level turbine intermodule mutual conduction, energy
Effectively eliminate the influence of thermal stress；The front of third level turbine module 23 is equipped with steam drain 10, for by the steam after use
It is discharged to outside system；Main oil pump 9 is connected with by oil inlet pipe 26 on reduction gear box 22, interior bottom portion is disposed with lubricating oil and returns
Case is received to connect with oil return pipe 27；The oil return pipe 27 is linked into oil filter 6；The rear end of the oil filter 6 connects access
Into oil cooler 8；The rear end of the oil cooler 8 is linked by oil inlet pipe 26 and main oil pump 9 and exchange in oil pump 7, and formation lubricates
Oil circulation, while in startup stage, oil pump 7, which is exchanged, with oil inlet pipe 26 connect connection.
The working principle of the invention is: steam enters in first order turbine module 5, sprays simultaneously drive rotor leaf by nozzle 15
After disk and blade 16 do work, second level turbine module 21 is sequentially entered by the extraction of diversion pipe 11 and third level turbine module 23 is swollen
Swollen acting is connected to generator 1 by shaft coupling 2, generates electric current and is incorporated into power grid, finishes the steam discharge after function, pressure is
10kpa, into condenser system, carries out phase transformation and is condensed into condensed water by 46 DEG C.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (4)
1. a kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam, including skid pedestal (12)；Its feature
It is, generator (1) is installed by shockproof support base (25) on the skid pedestal (12)；The right side of the generator (1)
It is linked into reduction gear box (22) by shaft coupling (2) and is connect with slow-speed shaft (17)；Reduction gear box (22) the connection peace
In the middle part of skid pedestal (12), front and rear sides are connected and installed with the first high speed shaft (18) and the second high speed shaft by bearing
(24)；The slow-speed shaft (17) passes through toothed disc and the first high speed shaft (18) and the second high speed shaft (24) engaged transmission；Second is high
The left side of fast axis (24) is equipped with first order turbine module (5)；Be equipped in the first order turbine module (5) guide vane (13) and
Rotor leaf dish and blade (16)；The rotor leaf dish and blade (16) pass through the labyrinth sealing of three-level carbocyclic ring and dry gas seals (19)
It is sealedly connected on vapour housing (4)；The top that reduction gear box (22) are mounted on into vapour housing (4), left side connection
Fixed steam discharge housing (3)；Second level turbine module (21) is linked by diversion pipe (11) on the steam discharge housing (3)
In；The second level turbine module (21) is identical as the internal structure of first order turbine module (5), is located at the first high speed shaft (18)
Front, be switched in third level turbine module (23) by diversion pipe (11)；The third level turbine module (23)
Front is equipped with steam drain (10)；Main oil pump (9), interior bottom portion cloth are connected with by oil inlet pipe (26) on reduction gear box (22)
Lubricating oil recycling bins are equipped with to connect with oil return pipe (27)；The oil return pipe (27) is linked into oil filter (6).
2. a kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam according to claim 1, special
Sign is that the first order turbine module (5) is mounted on reduction gear box by comb-tooth-type sealing and nitrogen-sealed (20) connection
(22) rear is mounted therein with nozzle (15).
3. a kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam according to claim 1, special
Sign is that the third level turbine module (23) is identical as the internal structure of first order turbine module (5), is located at the first high speed shaft
(18) right side.
4. a kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam according to claim 1, special
Sign is that the rear end of the oil filter (6) is linked into oil cooler (8)；The rear end of the oil cooler (8) passes through oil inlet pipe
(26) be linked into main oil pump (9) with exchange in oil pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251037.6A CN109611162A (en) | 2018-10-25 | 2018-10-25 | A kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251037.6A CN109611162A (en) | 2018-10-25 | 2018-10-25 | A kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109611162A true CN109611162A (en) | 2019-04-12 |
Family
ID=66003009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811251037.6A Pending CN109611162A (en) | 2018-10-25 | 2018-10-25 | A kind of energy-saving steam turbine power generation unit to be generated electricity using low-pressure saturated steam |
Country Status (1)
| Country | Link |
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| CN (1) | CN109611162A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345773A (en) * | 2019-07-13 | 2019-10-18 | 苏州西达透平动力技术有限公司 | A kind of copper metallurgy technique mesohigh saturated vapor power generation heating system |
| CN114542226A (en) * | 2022-02-21 | 2022-05-27 | 湖南泛航智能装备有限公司 | Turbine expansion power generation system based on ORC waste heat recovery and optimization method |
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| CN107965355A (en) * | 2017-11-28 | 2018-04-27 | 西安交通大学 | A kind of combination power device |
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| CN114542226A (en) * | 2022-02-21 | 2022-05-27 | 湖南泛航智能装备有限公司 | Turbine expansion power generation system based on ORC waste heat recovery and optimization method |
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Application publication date: 20190412 |
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| RJ01 | Rejection of invention patent application after publication |