CN106150964A - The electrically driven feed pump system of electrically driven feed pump subsystem and composition thereof - Google Patents
The electrically driven feed pump system of electrically driven feed pump subsystem and composition thereof Download PDFInfo
- Publication number
- CN106150964A CN106150964A CN201610727051.3A CN201610727051A CN106150964A CN 106150964 A CN106150964 A CN 106150964A CN 201610727051 A CN201610727051 A CN 201610727051A CN 106150964 A CN106150964 A CN 106150964A
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- Prior art keywords
- feed pump
- motor
- shaft coupling
- electrically driven
- subsystem
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Multiple Motors (AREA)
- Reciprocating Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses the electrically driven feed pump system of a kind of electrically driven feed pump subsystem and composition thereof.Described electrically driven feed pump subsystem, including converter, feed pump, motor, gear-box, fore pump；Described converter is connected with motor by cable；Described motor is connected with fore pump by shaft coupling；Described motor is connected with gear-box also by shaft coupling；Described gear-box is connected with feed pump also by shaft coupling.The present invention also provides for the electrically driven feed pump system being made up of electrically driven feed pump subsystem.The present invention not only workmanship efficiency is greatly improved, and self-energy consumption when directly reducing workmanship, greatly reduce hazardness and the destructiveness of electric power supply system own to power plant when starting motor, directly decrease the expenditure of maintenance repair and maintenance cost simultaneously.
Description
Technical field
The present invention relates to the electrically driven feed pump system of a kind of electrically driven feed pump subsystem and composition thereof.
Background technology
At present, every nucleus equipment in thermal power plant: use the structure of electrically driven feed pump to come to pot in steam generator system
All employings motor that stove supplies water adds fluid coupling and adds to the Fixed Design scheme of water pump and fore pump, this old feed pump
Designing this kind of postrun overall operation efficiency of electrically driven feed pump system of structures shape relatively low, the electric power of consumption is bigger so that
Thermal power plant's electric power ratio value of autophage while generating is relatively big, and it is relatively big to control difficulty, whole electrically driven feed pump system
During startup working the mischief the Electrical Safety in our factory and affect, motor wear causes more greatly fault rate to take place frequently, and affects safety
Generating.Especially send out at generating set high load capacity when the electrically driven feed pump power system capacity of generating set is configured to 3 X 35% capacity
When electricity runs, (when unit more than 75% generation load is done manual work), electrically driven feed pump system does not possess the function of back-up safety pump, greatly
The production run compromising whole power plant.Same there is also same problem under the configuration of 3X50% capacity.
Summary of the invention
In order to improve the problems referred to above, it is an object of the invention to provide a kind of electrically driven feed pump subsystem and the electricity of composition thereof
Dynamic feed-water pump.
To achieve these goals, the technical solution used in the present invention is as follows:
Electrically driven feed pump subsystem, including converter, feed pump, motor, gear-box, fore pump；
Described converter is connected with motor by cable；Described motor is connected with fore pump by shaft coupling；Described electronic
Machine is connected with gear-box also by shaft coupling；Described gear-box is connected with feed pump also by shaft coupling.
Further, present invention additionally comprises and be connected with converter by cable and control cable, and be used for controlling electrically driven feed pump
Subsystem and provide power supply and the Comprehensive Control of signal and power-supply system for electrically driven feed pump subsystem.
Electrically driven feed pump subsystem, including converter, feed pump, motor, gear-box, fore pump, independent electric motors；
Described converter is connected with motor by cable；Described motor is connected with gear-box also by shaft coupling；Described tooth
Roller box is connected with feed pump also by shaft coupling；Described independent electric motors is individually connected with fore pump by shaft coupling.
Further, also include being connected with converter and independent electric motors respectively by cable and control cable, and be used for controlling
Electrically driven feed pump subsystem and provide power supply and the Comprehensive Control of signal and power-supply system for electrically driven feed pump subsystem.
Electrically driven feed pump system, including three subsystems；First subsystem includes converter, feed pump, motor, gear
Case, fore pump；Described converter is connected with motor by cable；Described motor is connected with fore pump by shaft coupling；Institute
State motor to be connected with gear-box also by shaft coupling；Described gear-box is connected with feed pump also by shaft coupling；
Second subsystem includes converter, feed pump, motor, gear-box, fore pump；Described converter passes through cable with electronic
Machine connects；Described motor is connected with fore pump by shaft coupling；Described motor is connected with gear-box also by shaft coupling；Institute
State gear-box to be connected with feed pump also by shaft coupling；
3rd subsystem includes motor, fluid coupling, feed pump, fore pump；Described motor passes through shaft coupling and fluid power
Bonder connects；Described fluid coupling is connected with feed pump by shaft coupling；Described motor also by shaft coupling with preposition
Pump connects.
Further, present invention additionally comprises for controlling electrically driven feed pump system and providing power supply for electrically driven feed pump system
Comprehensive Control and power-supply system with signal；
Described Comprehensive Control and power-supply system are connected by the converter of cable and control cable and the first subsystem and the second subsystem；
Described control system connects with the fluid coupling of the 3rd subsystem and motor also by cable and control cable.
Electrically driven feed pump system, including three subsystems；
First subsystem includes converter, feed pump, motor, gear-box, fore pump, independent electric motors；
Described converter is connected with motor by cable；Described motor is connected with gear-box also by shaft coupling；Described tooth
Roller box is connected with feed pump also by shaft coupling；Described independent electric motors is individually connected with fore pump by shaft coupling；
Second subsystem includes converter, feed pump, motor, gear-box, fore pump, independent electric motors；
Described converter is connected with motor by cable；Described motor is connected with gear-box also by shaft coupling；Described tooth
Roller box is connected with feed pump also by shaft coupling；Described independent electric motors is individually connected with fore pump by shaft coupling；
3rd subsystem includes motor, fluid coupling, feed pump, fore pump；Described motor passes through shaft coupling and fluid power
Bonder connects；Described fluid coupling is connected with feed pump by shaft coupling；Described motor also by shaft coupling with preposition
Pump connects.
Further, also include for controlling electrically driven feed pump system and providing power supply and control for electrically driven feed pump system
The Comprehensive Control of signal and power-supply system；
Described Comprehensive Control and power-supply system are passed through cable and are controlled cable and the first subsystem and the converter of the second subsystem and only
Vertical motor connects；Described control system connects with the fluid coupling of the 3rd subsystem and motor also by cable and control cable
Connect.
The present invention compared with prior art, has the following advantages and beneficial effect:
The present invention not only workmanship efficiency is greatly improved, and self-energy consumption when directly reducing workmanship, it is significantly reduced
When starting motor, the hazardness of electric power supply system to power plant own and destructiveness, directly decrease maintenance repair and dimension simultaneously
Protect the expenditure of cost.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the present invention-embodiment 1.
Fig. 2 is the system block diagram of the present invention-embodiment 2.
Fig. 3 is the system block diagram of the present invention-embodiment 3.
Fig. 4 is the system block diagram of the present invention-embodiment 4.
Fig. 5 is that in the present invention, converter and gear-box combine fluid coupling efficiency in behind efficiency curve and prior art
The comparison diagram of curve.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings, and embodiments of the present invention include but not limited to
The following example.
Embodiment 1
As shown in Figure 1,5, electrically driven feed pump subsystem, including converter, feed pump, motor, gear-box, fore pump；Described
Motor is connected with converter, gear-box, fore pump respectively；Described feed pump is connected with gear-box.
Specifically, present invention additionally comprises and be connected with converter by cable, and be used for controlling electrically driven feed pump subsystem and
Power supply and the Comprehensive Control of signal and power-supply system is provided for electrically driven feed pump subsystem.The present embodiment passes through Comprehensive Control and electricity
The parameter that origin system runs with steam generator system, after comprehensively analyzing and calculate current water requirements numerical value and changing into control instruction
It is assigned to each electrically driven feed pump subsystem, and workmanship power supply is provided, reasonably command the workmanship mould of electrically driven feed pump subsystem
Formula and optimal safest control mode.
Specifically, described converter is connected to control output power to described motor by cable and described motor
Do manual work；Described motor is connected to output power to described gear-box by shaft coupling and described gear-box；Described gear
Case is connected to do manual work torque conduction to described feed pump by shaft coupling and described feed pump；Described motor passes through shaft coupling
Device is connected to torque conduction to described fore pump with described fore pump again；Described fore pump under motor-driven by deoxygenation
Being transported to feed pump after the deaerated water pressurization that device provides, feed pump is delivered to boiler after again being pressurizeed by deaerated water.
The present embodiment not only workmanship efficiency is greatly improved, and self-energy consumption when directly reducing workmanship, greatly
Decrease the hazardness of electric power supply system to power plant own and destructiveness when starting motor, directly decrease daily inspection simultaneously
Repair the expenditure with maintenance cost.
Embodiment 2
As in figure 2 it is shown, the difference of the present embodiment and embodiment 1 is, including converter, feed pump, motor, gear-box, front
Put pump, independent electric motors；
Described converter is connected with motor by cable；Described motor is connected with gear-box also by shaft coupling；Described tooth
Roller box is connected with feed pump also by shaft coupling；Described independent electric motors is individually connected with fore pump by shaft coupling；
Also include being connected with converter and independent electric motors respectively by cable and control cable, and be used for controlling electrically driven feed pump and divide be
Unite and provide power supply and the Comprehensive Control of signal and power-supply system for electrically driven feed pump subsystem
By this setting, add a platform independent motor with independent after fore pump individually set up and be connected and obtain moving of moment of torsion
Power, the fore pump of this kind of independent dragging remains aqueduct and supplies water source to feed pump.
Embodiment 3
Such as Fig. 3, shown in 5, electrically driven feed pump system, including three subsystems；
First subsystem includes converter, feed pump, motor, gear-box, fore pump；Described motor respectively with converter,
Gear-box, fore pump are connected；Described feed pump is connected with gear-box；
Second subsystem includes converter, feed pump, motor, gear-box, fore pump；Described motor respectively with converter,
Gear-box, fore pump are connected；Described feed pump is connected with gear-box；
3rd subsystem includes motor, fluid coupling, feed pump, fore pump；Described feed pump, fluid coupling, electronic
Machine, fore pump are all sequentially connected by shaft coupling.
Specifically, present invention additionally comprises for control electrically driven feed pump system and for electrically driven feed pump system provide power supply and
The Comprehensive Control of control signal and power-supply system；
Described Comprehensive Control and power-supply system are connected by the converter of cable and the first subsystem and the second subsystem；Described control
System processed connects with the fluid coupling of the 3rd subsystem and motor also by cable and control cable.
The present embodiment is by gathering the parameter of steam generator system in daily production, and comprehensively analyzing and calculate current water supply needs
During reasonable distribution gives each subsystem after seeking numerical value and changing into control instruction, and provide workmanship power supply, rationally commander three
The different workmanship states of subsystem reach optimal workmanship pattern and safest control mode.
Specifically, the first subsystem is identical with the structure of second system: described Comprehensive Control and power-supply system pass through power
Cable and control cable is connected with described converter realize power supply provide and control export.Described converter passes through cable with described
Motor is connected to control output power and does manual work to described motor；Described motor is by shaft coupling with described gear-box even
Connect for outputting power to described gear-box；Described gear-box is connected to pass moment of torsion by shaft coupling and described feed pump
It is directed at described feed pump to do manual work；Described motor is connected to torque conduction with described fore pump by shaft coupling to described again
Fore pump；It is transported to feed pump, feed pump after the deaerated water pressurization that oxygen-eliminating device is provided under motor-driven by described fore pump
It is delivered to boiler after again being pressurizeed by deaerated water.
The concrete structure of the 3rd subsystem is as follows: described Comprehensive Control and power-supply system are by controlling cable and power cable
It is connected with described motor and realizes doing manual work；Described motor is connected to turn round by shaft coupling and described fluid coupling
Square output is to described fluid coupling；Described fluid coupling is connected to torque conduction by shaft coupling and described feed pump
To described feed pump；Described motor is connected to torque conduction with described fore pump by shaft coupling to described preposition again
Pump；Being transported to feed pump after the deaerated water pressurization that oxygen-eliminating device is provided under motor-driven by described fore pump, feed pump is again
It is delivered to boiler after being pressurizeed by deaerated water.Described Comprehensive Control and power-supply system are by controlling cable and power cable and the 3rd point
Fluid coupling in system connects to realize the size controlling the scoop tube position aperture within described fluid coupling to realize
The resting state of described fluid coupling and various workmanship state.
The present invention is by using Comprehensive Control and power-supply system three electrically driven feed pump subsystems in steam generator system respectively
Thering is provided power supply and output signal to do manual work, to realize the workmanship of peak efficiency, the most described Comprehensive Control and power-supply system can
Directly to control in the first subsystem and the second subsystem respective converter and to drive motor, motor passes through gear-box
Drive feed pump to realize the new construction of electrically driven feed pump system, instead of traditional " fluid coupling " transmission mode completely,
Improve operational efficiency and the safety coefficient of unit, greatly reduce maintenance repair and maintenance cost, reduce energy consumption.
Although described 3rd subsystem retains the transmission gear shift pattern of traditional " fluid coupling ", but at whole boiler
Playing the function of back-up system in system, total system is in daily workmanship, under the control of Comprehensive Control and power-supply system, and the 3rd
Subsystem is intended only as resting state and urgent use.
What deserves to be explained is, the present embodiment is concentrated three electrically driven feed pump subsystems by Comprehensive Control and power-supply system
Carry out workmanship control, effectively provide safety and the controllability of whole feed-water pump, and combine the first subsystem and
Second subsystem, uses converter drive motor and drive feed pump efficiently to do manual work by gear-box.This centralized Control
The pattern single independent electrically driven feed pump system of decentralised control compared to existing technology improve safety and efficiency, improve
The control ability of steam generator system and level.First subsystem and the second subsystem have been changed inside traditional old structure completely
" fluid coupling " this transmission gear shift mode, not only workmanship efficiency greatly improves, and when directly reducing acting
Self energy consumption, considerably reduces hazardness and the destructiveness of electric power supply system own to power plant when starting motor, simultaneously
Directly decrease the expenditure of maintenance repair and maintenance cost.
Embodiment 4
As shown in Figure 4, the present embodiment is with the difference of embodiment 3, including three subsystems；First subsystem includes frequency conversion
Device, feed pump, motor, gear-box, fore pump, independent electric motors；
Described converter is connected with motor by cable；Described motor is connected with gear-box also by shaft coupling；Described tooth
Roller box is connected with feed pump also by shaft coupling；Described independent electric motors is individually connected with fore pump by shaft coupling；
Second subsystem includes converter, feed pump, motor, gear-box, fore pump, independent electric motors；
Described converter is connected with motor by cable；Described motor is connected with gear-box also by shaft coupling；Described tooth
Roller box is connected with feed pump also by shaft coupling；Described independent electric motors is connected with front pump of individually putting by shaft coupling；
3rd subsystem includes motor, fluid coupling, feed pump, fore pump；Described motor passes through shaft coupling and fluid power
Bonder connects；Described fluid coupling is connected with feed pump by shaft coupling；Described motor also by shaft coupling with preposition
Pump connects；
Also include for controlling electrically driven feed pump system and providing the comprehensive control of power supply and control signal for electrically driven feed pump system
System and power-supply system；
Described Comprehensive Control and power-supply system are by cable and the first subsystem and the converter of the second subsystem and self-contained power
Machine connects；Described control system connects with the fluid coupling of the 3rd subsystem and motor also by cable.
By this setting, add a platform independent motor with independent after fore pump individually set up and be connected and obtain moment of torsion
Power, the fore pump of this kind of independent dragging remains aqueduct and supplies water source to feed pump.
According to above-described embodiment, the present invention just can be realized well.What deserves to be explained is, before designing based on said structure
Put, for solving same technical problem, even if some made in the present invention are without substantial change or polishing, used
The essence of technical scheme still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (8)
1. electrically driven feed pump subsystem, it is characterised in that include converter, feed pump, motor, gear-box, fore pump；
Described converter is connected with motor by cable；Described motor is connected with fore pump by shaft coupling；Described electronic
Machine is connected with gear-box also by shaft coupling；Described gear-box is connected with feed pump also by shaft coupling.
Electrically driven feed pump subsystem the most according to claim 1, it is characterised in that also include by cable and control cable and change
Frequently device connects, and for controlling electrically driven feed pump subsystem and providing the comprehensive control of power supply and signal for electrically driven feed pump subsystem
System and power-supply system.
3. electrically driven feed pump subsystem, it is characterised in that include converter, feed pump, motor, gear-box, fore pump, independence
Motor；
Described converter is connected with motor by cable；Described motor is connected with gear-box also by shaft coupling；Described tooth
Roller box is connected with feed pump also by shaft coupling；Described independent electric motors is individually connected with fore pump by shaft coupling.
Electrically driven feed pump subsystem the most according to claim 3, it is characterised in that also include by cable and control cable difference
It is connected with converter and independent electric motors, and is used for controlling electrically driven feed pump subsystem and providing electricity for electrically driven feed pump subsystem
Source and the Comprehensive Control of signal and power-supply system.
5. electrically driven feed pump system, it is characterised in that include three subsystems；
First subsystem includes converter, feed pump, motor, gear-box, fore pump；Described converter passes through cable with electronic
Machine connects；Described motor is connected with fore pump by shaft coupling；Described motor is connected with gear-box also by shaft coupling；Institute
State gear-box to be connected with feed pump also by shaft coupling；
Second subsystem includes converter, feed pump, motor, gear-box, fore pump；Described converter passes through cable with electronic
Machine connects；Described motor is connected with fore pump by shaft coupling；Described motor is connected with gear-box also by shaft coupling；Institute
State gear-box to be connected with feed pump also by shaft coupling；
3rd subsystem includes motor, fluid coupling, feed pump, fore pump；Described motor passes through shaft coupling and fluid power
Bonder connects；Described fluid coupling is connected with feed pump by shaft coupling；Described motor also by shaft coupling with preposition
Pump connects.
Electrically driven feed pump system the most according to claim 5, it is characterised in that also include for controlling electrically driven feed pump system
Unite and provide power supply and the Comprehensive Control of control signal and power-supply system for electrically driven feed pump system；
Described Comprehensive Control and power-supply system are connected by the converter of cable and control cable and the first subsystem and the second subsystem；
Described control system connects with the fluid coupling of the 3rd subsystem and motor also by cable and control cable.
7. electrically driven feed pump system, it is characterised in that include three subsystems；
First subsystem includes converter, feed pump, motor, gear-box, fore pump, independent electric motors；
Described converter is connected with motor by cable；Described motor is connected with gear-box also by shaft coupling；Described tooth
Roller box is connected with feed pump also by shaft coupling；Described independent electric motors is individually connected with fore pump by shaft coupling；
Second subsystem includes converter, feed pump, motor, gear-box, fore pump, independent electric motors；
Described converter is connected with motor by cable；Described motor is connected with gear-box also by shaft coupling；Described tooth
Roller box is connected with feed pump also by shaft coupling；Described independent electric motors is individually connected with fore pump by shaft coupling；
3rd subsystem includes motor, fluid coupling, feed pump, fore pump；Described motor passes through shaft coupling and fluid power
Bonder connects；Described fluid coupling is connected with feed pump by shaft coupling；Described motor also by shaft coupling with preposition
Pump connects.
Electrically driven feed pump system the most according to claim 7, it is characterised in that also include for controlling electrically driven feed pump system
Unite and provide power supply and the Comprehensive Control of control signal and power-supply system for electrically driven feed pump system；
Described Comprehensive Control and power-supply system are passed through cable and are controlled cable and the first subsystem and the converter of the second subsystem and only
Vertical motor connects；Described control system connects with the fluid coupling of the 3rd subsystem and motor also by cable and control cable
Connect.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727051.3A CN106150964A (en) | 2016-08-25 | 2016-08-25 | The electrically driven feed pump system of electrically driven feed pump subsystem and composition thereof |
| PCT/CN2017/097587 WO2018036411A1 (en) | 2016-08-25 | 2017-08-16 | Electrically-driven water feed pump subsystem and electrically-driven water feed pump system formed by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610727051.3A CN106150964A (en) | 2016-08-25 | 2016-08-25 | The electrically driven feed pump system of electrically driven feed pump subsystem and composition thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106150964A true CN106150964A (en) | 2016-11-23 |
Family
ID=57342043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610727051.3A Pending CN106150964A (en) | 2016-08-25 | 2016-08-25 | The electrically driven feed pump system of electrically driven feed pump subsystem and composition thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106150964A (en) |
| WO (1) | WO2018036411A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036411A1 (en) * | 2016-08-25 | 2018-03-01 | 俞朝富 | Electrically-driven water feed pump subsystem and electrically-driven water feed pump system formed by same |
| CN108019344A (en) * | 2017-12-04 | 2018-05-11 | 广西电网有限责任公司电力科学研究院 | A kind of motor-driven feed-water pump set Efficiency test method |
| CN108716462A (en) * | 2018-04-13 | 2018-10-30 | 广东核电合营有限公司 | A kind of speed holding meanss and system for nuclear power feed pump group |
| CN111794935A (en) * | 2020-08-13 | 2020-10-20 | 刘亚辉 | Method for splitting steam feed pump system into small steam turbine power generation system and full-frequency-conversion electric feed pump system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113431639B (en) * | 2021-07-28 | 2023-09-29 | 华能秦煤瑞金发电有限责任公司 | Water supply pump speed regulating device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090104044A1 (en) * | 2003-12-08 | 2009-04-23 | Koehl Robert M | Pump controller system and method |
| CN104405612A (en) * | 2014-11-14 | 2015-03-11 | 神华集团有限责任公司 | Boiler and feed pump system thereof |
| CN105114939A (en) * | 2015-04-29 | 2015-12-02 | 大唐桂冠合山发电有限公司 | Feedwater regulating system used for boiler in heat-engine plant |
| CN205117755U (en) * | 2015-11-18 | 2016-03-30 | 亿海天成(北京)科技有限公司 | Electronic pump variable frequency economizer system that gives of thermal power plant |
| CN205383051U (en) * | 2015-12-30 | 2016-07-13 | 俞朝富 | Electric feed water pump system of thermal power plant |
| CN205977582U (en) * | 2016-08-25 | 2017-02-22 | 俞朝富 | Electric feed water pump divides system and electric feed water pump system that constitutes thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150964A (en) * | 2016-08-25 | 2016-11-23 | 俞朝富 | The electrically driven feed pump system of electrically driven feed pump subsystem and composition thereof |
-
2016
- 2016-08-25 CN CN201610727051.3A patent/CN106150964A/en active Pending
-
2017
- 2017-08-16 WO PCT/CN2017/097587 patent/WO2018036411A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090104044A1 (en) * | 2003-12-08 | 2009-04-23 | Koehl Robert M | Pump controller system and method |
| CN104405612A (en) * | 2014-11-14 | 2015-03-11 | 神华集团有限责任公司 | Boiler and feed pump system thereof |
| CN105114939A (en) * | 2015-04-29 | 2015-12-02 | 大唐桂冠合山发电有限公司 | Feedwater regulating system used for boiler in heat-engine plant |
| CN205117755U (en) * | 2015-11-18 | 2016-03-30 | 亿海天成(北京)科技有限公司 | Electronic pump variable frequency economizer system that gives of thermal power plant |
| CN205383051U (en) * | 2015-12-30 | 2016-07-13 | 俞朝富 | Electric feed water pump system of thermal power plant |
| CN205977582U (en) * | 2016-08-25 | 2017-02-22 | 俞朝富 | Electric feed water pump divides system and electric feed water pump system that constitutes thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036411A1 (en) * | 2016-08-25 | 2018-03-01 | 俞朝富 | Electrically-driven water feed pump subsystem and electrically-driven water feed pump system formed by same |
| CN108019344A (en) * | 2017-12-04 | 2018-05-11 | 广西电网有限责任公司电力科学研究院 | A kind of motor-driven feed-water pump set Efficiency test method |
| CN108716462A (en) * | 2018-04-13 | 2018-10-30 | 广东核电合营有限公司 | A kind of speed holding meanss and system for nuclear power feed pump group |
| CN108716462B (en) * | 2018-04-13 | 2020-07-28 | 广东核电合营有限公司 | Speed maintaining device and system for nuclear power water feed pump set |
| CN111794935A (en) * | 2020-08-13 | 2020-10-20 | 刘亚辉 | Method for splitting steam feed pump system into small steam turbine power generation system and full-frequency-conversion electric feed pump system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018036411A1 (en) | 2018-03-01 |
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