CN105649692A - Device for achieving steam-electricity dual-driving of rotary auxiliary engine through coaxial driving of back pressure turbine - Google Patents
Device for achieving steam-electricity dual-driving of rotary auxiliary engine through coaxial driving of back pressure turbine Download PDFInfo
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- CN105649692A CN105649692A CN201410630223.6A CN201410630223A CN105649692A CN 105649692 A CN105649692 A CN 105649692A CN 201410630223 A CN201410630223 A CN 201410630223A CN 105649692 A CN105649692 A CN 105649692A
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- back pressure
- pressure machine
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- pressure turbine
- subsidiary engine
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Abstract
The invention provides a device for achieving steam-electricity dual-driving of a rotary auxiliary engine through coaxial driving of a back pressure turbine. The device comprises the back pressure turbine, a clutch, the rotary auxiliary engine and a motor which are connected in sequence. A back pressure turbine steam inlet pipeline and a back pressure turbine steam exhaust pipeline are connected with an industrial steam extraction pipeline. A valve is arranged in the position, between the joint of the back pressure turbine steam inlet pipeline and the industrial steam extraction pipeline and the joint of the back pressure turbine steam exhaust pipeline and the industrial steam extraction pipeline, on the industrial steam extraction pipeline. The back pressure turbine steam inlet pipeline and the back pressure turbine steam exhaust pipeline are both provided with valves correspondingly. The back pressure turbine is controlled to start and stop through the valves. A back pressure turbine output shaft is mounted on the back pressure turbine and connected with the input end of the clutch. A non-driving end extended shaft is mounted on the rotary auxiliary engine and connected with the output end of the clutch. The rotary auxiliary engine is connected with the motor. Coupling and disengagement of the back pressure turbine and the rotary auxiliary engine are controlled through the clutch, and coaxial rotation and power transmission are realized. The device is simple in structure, convenient to use, capable of saving energy and reducing consumption and stable and reliable in operation.
Description
Technical field
The present invention relates to electric power factory equipment technical field, utilize back pressure machine coaxial drive to realize the device rotating subsidiary engine vapour electricity Dual Drive in particular to a kind of.
Background technology
Power Plant is when parameter is drawn gas in selection industry, it is contemplated that to factors such as peak load regulation networks, parameter of drawing gas is far above the actual desired parameters of user. Routine draws gas position cold section of reheating, different grades unit declared working condition overdraft 2.5-3.7MPa, temperature 310-325 DEG C, enthalpy about 3030kJ/kg, user actual needs pressure value 1.4MPa, temperature 200 DEG C, enthalpy 2800kJ/kg. In order to reach parameter matching requirement, drawing gas cold for reheating section through pressure and temperature reducing station is adjusted to user and needs parameter, therefore there is huge throttling loss.
Summary of the invention
The present invention is in order in order to make up the deficiencies in the prior art, it provides what a kind of structure was simple, easy to use, energy-saving and cost-reducing utilizes back pressure machine coaxial drive to realize the device rotating subsidiary engine vapour electricity Dual Drive.
The present invention is achieved through the following technical solutions:
The back pressure machine coaxial drive that utilizes of the present invention realizes the device rotating subsidiary engine vapour electricity Dual Drive, it is characterized in that: comprise the back pressure machine, clutch coupling, rotation subsidiary engine and the electric motor that connect successively, back pressure machine admission pipeline and the back pressure machine blow-off line pipeline that draws gas with industry respectively is connected, industry is drawn gas and is arranged valve between the junction and the junction of back pressure machine blow-off line of back pressure machine admission pipeline on pipeline, back pressure machine admission pipeline and back pressure machine blow-off line arrange valve respectively, by each Valve controlling back pressure machine start and stop; Back pressure machine is installed back pressure machine output shaft, is connected with clutch coupling input terminus, rotate and non-driven end extending shaft installed by subsidiary engine, be connected with clutch coupling output terminal, rotate subsidiary engine and be connected with electric motor; By clutch control back pressure machine with rotating being coupled and disengagement of subsidiary engine, it is achieved coaxially rotate, power transimission.
Clutch coupling adopts the overrunning clutch of automatic clutch, i.e. 3S clutch coupling.
Electric motor, rotation subsidiary engine, clutch coupling and back pressure machine are coaxially arranged.
Industry is drawn gas and is arranged motor-driven control valve between back pressure machine admission pipeline and the junction of back pressure machine blow-off line on pipeline, back pressure machine admission install pipeline admission hand sluice valve and admission electric gate valve, back pressure machine blow-off line arranges steam discharge electric gate valve and steam discharge vacuum breaker.
The industry pipe end that draws gas arranges pressure and temperature reducing station.
The invention has the beneficial effects as follows: structure is simple, easy to use, energy-saving and cost-reducing, stable and reliable operation, it is coaxial rotation by back pressure machine and rotation subsidiary engine by Clutch Coupling, realize power transimission, can not mate the throttling loss of generation because of draw gas parameter and customer parameter by efficient recovery, solve industry parameter of drawing gas and do not mate the throttling loss problem of generation with customer parameter. Back pressure machine does work while reducing electric motor operation electric current, and steam discharge parameter can meet the requirement of steam needed for user, and vapour electricity dual-drive technology solves back pressure machine separately as the impact driving power by industrial fluctuation of load of drawing gas in addition. This technical energy saving successful, the industry amount of drawing gas 50t/h, back pressure machine efficiency 60%, when unit THA operating mode is run, per hour saves power supply for station about 1800KW.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of the present invention.
In figure, 1 industry is drawn gas pipeline, 2 motor-driven control valves, 3 admission hand sluice valves, 4 back pressure machine admission pipelines, 5 admission electric gate valves, 6 steam discharge electric gate valves, 7 back pressure machine blow-off lines, 8 steam discharge vacuum breaker, 9 back pressure machines, 10 back pressure machine output shafts, 11 clutch coupling input terminuss, 12 clutch coupling output terminals, 13 non-driven end extending shafts, 14 rotation subsidiary engines, 15 electric motor, 16 pressure and temperature reducing stations.
Embodiment
Accompanying drawing is specific embodiments of the invention.
As shown in Figure 1, the back pressure machine coaxial drive that utilizes of the present invention realizes the device rotating subsidiary engine vapour electricity Dual Drive, comprise the back pressure machine 9 connected successively, clutch coupling, rotate subsidiary engine 14 and electric motor 15, back pressure machine admission pipeline 4 and back pressure machine blow-off line 7 pipeline 1 that draws gas with industry is connected, on pipeline is drawn gas in industry, motor-driven control valve 2 is set between the junction of back pressure machine admission pipeline and the junction of back pressure machine blow-off line, back pressure machine admission pipeline 4 arranges admission hand sluice valve 3 and admission electric gate valve 5, back pressure machine blow-off line 7 arranges steam discharge electric gate valve 6 and steam discharge vacuum breaker 8, by each Valve controlling back pressure machine start and stop. back pressure machine 9 is installed back pressure machine output shaft 10, is connected with clutch coupling input terminus 11, rotate and non-driven end extending shaft 13 installed by subsidiary engine 14, be connected with clutch coupling output terminal 12, rotate subsidiary engine 14 and be connected with electric motor 15. by clutch control back pressure machine with rotating being coupled and disengagement of subsidiary engine, it is achieved coaxially rotate, power transimission.
Clutch coupling adopts the overrunning clutch of automatic clutch, i.e. 3S clutch coupling.
Electric motor, rotation subsidiary engine, clutch coupling and back pressure machine are coaxially arranged.
The industry pipe end that draws gas arranges pressure and temperature reducing station 16.
During conventional operation, rotating subsidiary engine 14 and drive by electric motor 15, industry is drawn gas and is delivered to user after pressure and temperature reducing station 16 reduces parameter. When vapour electricity Dual Drive is run, the industry needed for user is drawn gas from colder, and after back pressure machine 9 does work, parameter of drawing gas decrease temperature and pressure, to user's necessary requirement, meets user's needs. Back pressure machine 9 does work and is coupled with output terminal 12 through clutch coupling input terminus 11, it is achieved power transimission, reduces electric motor 15 working current, it is achieved rotate subsidiary engine 14 vapour electricity Dual Drive.
On pipeline 1 is drawn gas in industry, motor-driven control valve 2 is set, when back pressure machine 9 starts, by adjustment motor-driven control valve 2 aperture, reduce downstream pressure and require parameter to user, open admission hand sluice valve 3, admission electric gate valve 5 and steam discharge electric gate valve 6 successively, back pressure machine 9 admission is rotated, and drives back pressure machine output shaft 10 and clutch coupling input terminus 11 to rotate. When back pressure machine 9 rotating speed is greater than rotation subsidiary engine 14, clutch coupling input terminus 11 is coupled automatically with clutch coupling output terminal 12, realizing back pressure machine 9, rotate the coaxial rotation of subsidiary engine 14 and electric motor 15, back pressure machine 9 does work and reduces the working current of electric motor 15, it is achieved rotate the vapour electricity Dual Drive of subsidiary engine 14. Then closing motor-driven control valve 2, back pressure machine 9 admission amount increases thereupon, and acting ability improves, and industry is drawn gas and delivered to user through back pressure machine acting.
Before back pressure machine 9 prepares shutdown; adjustment motor-driven control valve 2 aperture; vapor pressure after control valve; open pressure and temperature reducing station 16; closing steam discharge electric gate valve 6, admission electric gate valve 5 and admission hand sluice valve 3 successively, back pressure machine 9 rotating speed reduces, and clutch coupling input terminus 11 and clutch coupling output terminal 12 disengage automatically; return to conventional operation, rotate subsidiary engine 14 and drive by electric motor 15
Except technology feature described in specification sheets, all the other technology features are the technology of it is known to those with ordinary skill in the art that.
Claims (5)
1. one kind utilizes back pressure machine coaxial drive to realize the device rotating subsidiary engine vapour electricity Dual Drive, it is characterized in that: comprise the back pressure machine, clutch coupling, rotation subsidiary engine and the electric motor that connect successively, back pressure machine admission pipeline and the back pressure machine blow-off line pipeline that draws gas with industry respectively is connected, industry is drawn gas and is arranged valve between the junction and the junction of back pressure machine blow-off line of back pressure machine admission pipeline on pipeline, back pressure machine admission pipeline and back pressure machine blow-off line arrange valve respectively, by each Valve controlling back pressure machine start and stop; Back pressure machine is installed back pressure machine output shaft, is connected with clutch coupling input terminus, rotate and non-driven end extending shaft installed by subsidiary engine, be connected with clutch coupling output terminal, rotate subsidiary engine and be connected with electric motor; By clutch control back pressure machine with rotating being coupled and disengagement of subsidiary engine, it is achieved coaxially rotate, power transimission.
2. the device utilizing back pressure machine coaxial drive to realize rotation subsidiary engine vapour electricity Dual Drive according to claim 1, it is characterised in that: clutch coupling adopts the overrunning clutch of automatic clutch.
3. the device utilizing back pressure machine coaxial drive to realize rotation subsidiary engine vapour electricity Dual Drive according to claim 1 and 2, it is characterised in that: electric motor, rotation subsidiary engine, clutch coupling and back pressure machine are coaxially arranged.
4. the device utilizing back pressure machine coaxial drive to realize rotation subsidiary engine vapour electricity Dual Drive according to claim 1 and 2, it is characterized in that: industry is drawn gas and arranged motor-driven control valve between back pressure machine admission pipeline and the junction of back pressure machine blow-off line on pipeline, back pressure machine admission install pipeline admission hand sluice valve and admission electric gate valve, back pressure machine blow-off line arranges steam discharge electric gate valve and steam discharge vacuum breaker.
5. according to claim 1 and 2 utilize back pressure machine coaxial drive to realize the device rotating subsidiary engine vapour electricity Dual Drive, it is characterised in that: the industry pipe end that draws gas arranges pressure and temperature reducing station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630223.6A CN105649692A (en) | 2014-11-11 | 2014-11-11 | Device for achieving steam-electricity dual-driving of rotary auxiliary engine through coaxial driving of back pressure turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410630223.6A CN105649692A (en) | 2014-11-11 | 2014-11-11 | Device for achieving steam-electricity dual-driving of rotary auxiliary engine through coaxial driving of back pressure turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105649692A true CN105649692A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410630223.6A Withdrawn CN105649692A (en) | 2014-11-11 | 2014-11-11 | Device for achieving steam-electricity dual-driving of rotary auxiliary engine through coaxial driving of back pressure turbine |
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| Country | Link |
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| CN (1) | CN105649692A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049700A (en) * | 2020-07-23 | 2020-12-08 | 华电电力科学研究院有限公司 | Comprehensive energy system utilizing cogeneration of high-parameter heat supply steam complementary energy and control method thereof |
| CN114000924A (en) * | 2021-09-16 | 2022-02-01 | 国能(福州)热电有限公司 | Cogeneration centralized steam supply system and control method thereof |
-
2014
- 2014-11-11 CN CN201410630223.6A patent/CN105649692A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049700A (en) * | 2020-07-23 | 2020-12-08 | 华电电力科学研究院有限公司 | Comprehensive energy system utilizing cogeneration of high-parameter heat supply steam complementary energy and control method thereof |
| CN112049700B (en) * | 2020-07-23 | 2021-03-26 | 华电电力科学研究院有限公司 | Comprehensive energy system utilizing cogeneration of high-parameter heat supply steam complementary energy and control method thereof |
| CN114000924A (en) * | 2021-09-16 | 2022-02-01 | 国能(福州)热电有限公司 | Cogeneration centralized steam supply system and control method thereof |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160608 |