CN207420645U - A kind of two cylinder extraction condensing type combined heat and power turbine cycles - Google Patents
A kind of two cylinder extraction condensing type combined heat and power turbine cycles Download PDFInfo
- Publication number
- CN207420645U CN207420645U CN201721601520.3U CN201721601520U CN207420645U CN 207420645 U CN207420645 U CN 207420645U CN 201721601520 U CN201721601520 U CN 201721601520U CN 207420645 U CN207420645 U CN 207420645U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- bearing case
- pressure
- intermediate pressure
- high intermediate
- 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.)
- Active
Links
Abstract
The utility model provides a kind of two cylinder extraction condensing type combined heat and power turbine cycles, belongs to steam turbine technology field.Steam turbine described in the utility model includes pressing reheating main steam control valve in a high intermediate pressure cylinder, a low pressure (LP) cylinder, a clutch shaft bearing case, a second bearing case, a 3rd bearing case, a connecting pipe, a high-pressure main steam regulating valve and two；The high intermediate pressure cylinder and low pressure (LP) cylinder are coaxially arranged, and high intermediate pressure cylinder tune end is connected by push-pull device at fixed with clutch shaft bearing case electricity end, and high intermediate pressure cylinder electricity end is connected by push-pull device at fixed with second bearing case tune end；Second bearing case electricity end connects the tune end of the low pressure (LP) cylinder, and the electric end of low pressure (LP) cylinder is provided with 3rd bearing case；The one side of high intermediate pressure cylinder is provided with pressure reheating main steam control valve in a high-pressure main steam regulating valve and two.The utility model solves that existing two cylinders sucking condensing turbine efficiency of generating unit is relatively low, and economy is poor, the problem of can not meeting user's adjustable steam extraction amount demand.The utility model can operate with steam turbine production application.
Description
Technical field
The utility model belongs to steam turbine technology field, more particularly to a kind of combined heat and power turbine cycle.
Background technology
Sucking condensing turbine extracts a part of steam out by steam turbine intergrade and supplies user, i.e. also heat supply while power generation
Steam turbine.Combined cycle is because with power supply efficiency is high, specific investment expense is low, the construction period is short, land used water is few, operation is automatic
The advantages such as change degree is high, it is fast to start, operational reliability is high, discharge amount of pollution is low, and in international energy in the market by favor.It is existing
Two cylinder sucking condensing turbines having are two cylinder pure condensate formula steam turbines, and unit efficiency is relatively low, and economy is poor, can not meet user
The individual demand of adjustable steam extraction amount.
Utility model content
The utility model is relatively low to solve existing two cylinders sucking condensing turbine efficiency of generating unit, and economy is poor, can not
The problem of meeting user's adjustable steam extraction amount demand, provides a kind of two cylinder extraction condensing type combined heat and power turbine cycles.
A kind of two cylinders extraction condensing type combined heat and power turbine cycle described in the utility model, including a high intermediate pressure cylinder, a low pressure
It is pressed in cylinder, a clutch shaft bearing case, a second bearing case, a 3rd bearing case, a connecting pipe, a high-pressure main steam regulating valve and two
Reheating main steam control valve；
The high intermediate pressure cylinder and low pressure (LP) cylinder are coaxially arranged, and high intermediate pressure cylinder tune end passes through push-pull device at fixed and clutch shaft bearing case electricity end
It is connected, high intermediate pressure cylinder electricity end is connected by push-pull device at fixed with second bearing case tune end；Second bearing case electricity end connects the low pressure
The tune end of cylinder, the electric end of low pressure (LP) cylinder are provided with 3rd bearing case；
Communicating pipe is provided between the steam drain of the high intermediate pressure cylinder and the air intake of low pressure (LP) cylinder；
The one side of high intermediate pressure cylinder is provided with pressure reheating main steam control valve in a high-pressure main steam regulating valve and two.
Compared with prior art, advantageous effect is：
The utility model is super-pressure, a resuperheat, single shaft, twin-cylinder double flow, clammy extraction-condensing steam turbine.
Using super-pressure steam inlet condition, main steam pressure 11MPa, main steam temperature is 565 DEG C, and reheat steam temperature is 565 DEG C.This
Inventive structure is advanced, and complete machine arrangement is succinct, and efficiency of generating unit improves 3%~5% left side compared to existing two cylinders sucking condensing turbine
It is right.And energy-saving and environmental protection, economy are higher.Heat supply steam extraction amount can be according to user's needs, and by rotary separator, executing agency adjusts
The flow area of rotary separator adjusts the parameter of heat supply steam extraction, there is very good application prospect.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the top view of the utility model；
1. high intermediate pressure cylinder, 2. low pressure (LP) cylinders, 3. clutch shaft bearing casees, 4. second bearing casees, 5. 3rd bearing casees, 6. communicating pipes,
7. high-pressure main steam regulating valve, reheating main steam control valve, 9. barring gears, 10. rotary separators are pressed in 8..
Specific embodiment
Specific embodiment one：Present embodiment is illustrated with reference to Fig. 1, Fig. 2, one kind two that present embodiment provides
Cylinder extraction condensing type combined heat and power turbine cycle, including a high intermediate pressure cylinder 1, a low pressure (LP) cylinder 2, a clutch shaft bearing case 3, a second bearing
Reheating main steam control valve 8 is pressed in case 4, a 3rd bearing case 5, a connecting pipe 6, a high-pressure main steam regulating valve 7 and two；
The high intermediate pressure cylinder 1 and low pressure (LP) cylinder 2 are coaxially arranged, and high intermediate pressure cylinder 1 adjusts end to pass through push-pull device at fixed and clutch shaft bearing case 3
Electric end is connected, and the electric end of high intermediate pressure cylinder 1 adjusts end to be connected by push-pull device at fixed with second bearing case 4；The electric end connection institute of second bearing case 4
The tune end of low pressure (LP) cylinder 2 is stated, the electric end of low pressure (LP) cylinder 2 is provided with 3rd bearing case 5；
The electric end of high intermediate pressure cylinder 1 is provided with steam drain, and the middle and upper part of low pressure (LP) cylinder 2 is provided with air intake, the high intermediate pressure cylinder 1
Steam drain and low pressure (LP) cylinder 2 air intake between be provided with communicating pipe 6；
The one side of high intermediate pressure cylinder 1, which is provided in a high-pressure main steam regulating valve 7 and two, presses reheating main steam control valve 8, Yong Huke
To change the flow area of rotary separator 10 by the executing agency of rotary separator 10, to reach adjustment extraction pressure and flow
Deng.
Specific embodiment two：The present embodiment is different from the first embodiment in that：The high-pressure main steam regulating valve 7
It is connected between middle pressure reheating main steam control valve 8 and the high intermediate pressure cylinder 1 by steam guiding tube.
Other steps and parameter are same as the specific embodiment one.
Specific embodiment three：The present embodiment is different from the first embodiment in that：The low pressure (LP) cylinder 2 is using landing
Structure.
Other steps and parameter are the same as one or two specific embodiments.
Specific embodiment four：The present embodiment is different from the first embodiment in that：Clutch shaft bearing case 3, the second axis
Hold case 4,3rd bearing case 5 lands alone respectively.
Other steps and parameter are identical with specific embodiment one, two or three.
Specific embodiment five：The present embodiment is different from the first embodiment in that：The two cylinders extraction condensing type thermoelectricity
Combination circulation steam turbine further includes barring gear 9, before rotor of getting excited when steam turbine starts or after shutdown, makes turbine rotor
The device of rotation is known as barring gear.Barring gear 9 is independently arranged, and when needing to put into jiggering, first extracts safety plug, pushing hands
Handle, setting stick motor coupling is until meshing gear is all engaged with jiggering gear.When handle is pushed to operating position, stroke
Make and break contact is closed, connection 9 power supply of barring gear, after motor starting to full speed, turbine rotor is driven to rotate and carries out jiggering.
Other steps and parameter are identical with specific embodiment one, two, three or four.
Embodiment
The advantageous effect of the utility model is verified using following embodiment：
As shown in Figure 1 and Figure 2, it is the two cylinder extraction condensing type combined heat and power turbine cycle of one kind of the present embodiment.
Including a high intermediate pressure cylinder 1, a low pressure (LP) cylinder 2, a clutch shaft bearing case 3, a second bearing case 4, a 3rd bearing case 5,
Reheating main steam control valve 8 is pressed in a connecting pipe 6, a high-pressure main steam regulating valve 7 and two；
The high intermediate pressure cylinder 1 and low pressure (LP) cylinder 2 are coaxially arranged, and high intermediate pressure cylinder 1 adjusts end to pass through push-pull device at fixed and clutch shaft bearing case 3
Electric end is connected, and the electric end of high intermediate pressure cylinder 1 adjusts end to be connected by push-pull device at fixed with second bearing case 4；The electric end connection institute of second bearing case 4
The tune end of low pressure (LP) cylinder 2 is stated, the electric end of low pressure (LP) cylinder 2 is provided with 3rd bearing case 5；The low pressure (LP) cylinder 2 is using landing structure；First axle
Case 3, second bearing case 4,3rd bearing case 5 is held to land alone respectively.
Communicating pipe 6 is provided between the steam drain of the high intermediate pressure cylinder 1 and the air intake of low pressure (LP) cylinder 2；Two cylinder is taken out solidifying
Formula combined heat and power turbine cycle further includes barring gear 9, and barring gear 9 is independently arranged.
The one side of high intermediate pressure cylinder 1, which is provided in a high-pressure main steam regulating valve 7 and two, presses reheating main steam control valve 8, the height
It is connected between pressure main steam control valve 7 and middle pressure reheating main steam control valve 8 and the high intermediate pressure cylinder 1 by steam guiding tube；User can
To change the flow area of rotary separator 10 by the executing agency of rotary separator 10, to reach adjustment extraction pressure and flow
Deng.
The steam pressure of the present embodiment unit meets 11Mpa, vapor (steam) temperature meets 565 DEG C/565 DEG C, and generating efficiency is compared
Existing two cylinders sucking condensing turbine improves 3%~5%, and heat consumption is lower.
The utility model can also have other various embodiments, in the case of without departing substantially from the utility model spirit and its essence, this
Field technology personnel work as can make various corresponding changes and deformation according to the utility model, but these corresponding changes and deformation
The scope of the claims appended by the utility model should all be belonged to.
Claims (5)
1. a kind of two cylinder extraction condensing type combined heat and power turbine cycles, it is characterised in that：The two cylinders extraction condensing type combined heat and power Xun Huan
Steam turbine includes a high intermediate pressure cylinder, a low pressure (LP) cylinder, a clutch shaft bearing case, a second bearing case, a 3rd bearing case, a connection
Reheating main steam control valve is pressed in pipe, a high-pressure main steam regulating valve and two；
The high intermediate pressure cylinder and low pressure (LP) cylinder are coaxially arranged, and high intermediate pressure cylinder tune end passes through push-pull device at fixed and clutch shaft bearing case electricity end phase
Even, high intermediate pressure cylinder electricity end is connected by push-pull device at fixed with second bearing case tune end；Second bearing case electricity end connects the low pressure (LP) cylinder
Tune end, the electric end of low pressure (LP) cylinder is provided with 3rd bearing case；
Communicating pipe is provided between the steam drain of the high intermediate pressure cylinder and the air intake of low pressure (LP) cylinder；
The one side of high intermediate pressure cylinder is provided with pressure reheating main steam control valve in a high-pressure main steam regulating valve and two.
2. a kind of two cylinder extraction condensing type combined heat and power turbine cycles according to claim 1, it is characterised in that：The high pressure master
It is connected between steam control valve and middle pressure reheating main steam control valve and the high intermediate pressure cylinder by steam guiding tube.
3. a kind of two cylinder extraction condensing type combined heat and power turbine cycles according to claim 1, it is characterised in that：The low pressure (LP) cylinder
Using landing structure.
4. a kind of two cylinder extraction condensing type combined heat and power turbine cycles according to claim 1, it is characterised in that：Clutch shaft bearing
Case, second bearing case, 3rd bearing case land alone respectively.
5. a kind of two cylinder extraction condensing type combined heat and power turbine cycles according to claim 1, it is characterised in that：Two cylinder is taken out
Solidifying formula combined heat and power turbine cycle further includes barring gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721601520.3U CN207420645U (en) | 2017-11-24 | 2017-11-24 | A kind of two cylinder extraction condensing type combined heat and power turbine cycles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721601520.3U CN207420645U (en) | 2017-11-24 | 2017-11-24 | A kind of two cylinder extraction condensing type combined heat and power turbine cycles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207420645U true CN207420645U (en) | 2018-05-29 |
Family
ID=62303011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721601520.3U Active CN207420645U (en) | 2017-11-24 | 2017-11-24 | A kind of two cylinder extraction condensing type combined heat and power turbine cycles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207420645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653817A (en) * | 2018-12-25 | 2019-04-19 | 哈尔滨汽轮机厂有限责任公司 | A kind of 160MW grade axial exhaust extraction condensing type combination circulation steam turbine |
-
2017
- 2017-11-24 CN CN201721601520.3U patent/CN207420645U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653817A (en) * | 2018-12-25 | 2019-04-19 | 哈尔滨汽轮机厂有限责任公司 | A kind of 160MW grade axial exhaust extraction condensing type combination circulation steam turbine |
| CN109653817B (en) * | 2018-12-25 | 2023-12-01 | 哈尔滨汽轮机厂有限责任公司 | 160 MW-grade axial exhaust extraction condensing type combined cycle turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102140938B (en) | Double-cylinder coaxial combined cycle heat supply gas turbine | |
| CN201560812U (en) | Cogeneration low temperature thermal energy recovery device | |
| CN206845247U (en) | One kind enhancing power plant flexibility therrmodynamic system | |
| CN105464719A (en) | Heating steam extraction steam turbine unit | |
| CN107131016A (en) | Supercritical CO2Combine coal-fired thermal power generation system with organic Rankine bottoming cycle | |
| CN106949521A (en) | A kind of heat supply remodeling method for realizing the operation of turbine condenser high vacuum | |
| CN106948879A (en) | A kind of joined by middle pitch adjusts the industrial steam-supplying system of the mesohigh cooperated with vapour compression machine | |
| CN207420645U (en) | A kind of two cylinder extraction condensing type combined heat and power turbine cycles | |
| CN103032115B (en) | Cogeneration condensing steam turbine | |
| CN106014519B (en) | Steam turbine and Organic Rankine Cycle working medium turbine dual drive system | |
| CN204200282U (en) | A kind of space division system compression device drive unit | |
| CN203944141U (en) | A kind of titanium liquid enrichment facility | |
| CN207111190U (en) | Tandem organic Rankine bottoming cycle expander system | |
| CN207004579U (en) | A kind of three-in-one unit of steam turbine centrifugal blower high-voltage motor | |
| CN203271827U (en) | E-class combined cycle three-pressure straight condensing turbine | |
| CN202707153U (en) | Thermoelectricity cooling co-production system utilizing steam heat accumulator | |
| CN206468383U (en) | Improve the device of the Rankine cycle thermal efficiency | |
| CN105952591B (en) | A kind of claw electrisity generator of engine for geothermal power generation | |
| CN202647704U (en) | Boiler system with intermediate reheater | |
| CN201688499U (en) | Combined heating system utilizing water-source heat pump driven by steam and steam boiler | |
| CN202813329U (en) | Gas boiler capable of operating load on large scale | |
| CN207879396U (en) | A kind of full stream circulation electric generating apparatus for geothermal energy | |
| CN206571540U (en) | A kind of fuel afterheat power/power generation all-in-one machine | |
| CN111139137A (en) | Vetiver oil draws economizer system | |
| CN106224020B (en) | A kind of two-way accumulation of energy drop coal consumption system of fired power generating unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |