CN205977582U - Electric feed water pump divides system and electric feed water pump system that constitutes thereof - Google Patents
Electric feed water pump divides system and electric feed water pump system that constitutes thereof Download PDFInfo
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- CN205977582U CN205977582U CN201620946002.4U CN201620946002U CN205977582U CN 205977582 U CN205977582 U CN 205977582U CN 201620946002 U CN201620946002 U CN 201620946002U CN 205977582 U CN205977582 U CN 205977582U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 104
- 238000010168 coupling process Methods 0.000 claims abstract description 104
- 238000005859 coupling reaction Methods 0.000 claims abstract description 104
- 239000012530 fluid Substances 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000007858 starting material Substances 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006392 deoxygenation reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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Abstract
The utility model discloses an electric feed water pump divides system and electric feed water pump system that constitutes thereof. Electric feed water pump divides the system, including converter, water -feeding pump, motor, gear box, booster pump, the converter passes through the cable and is connected with the motor, the motor passes through the shaft coupling and is connected with the booster pump, the motor still is connected with the gear box through the shaft coupling, the gear box still is connected with the water -feeding pump through the shaft coupling. The utility model discloses still provide the electric feed water pump system that constitutes by electric feed water pump branch system. The utility model discloses the efficiency of not only doing manual work improves greatly, has directly reduced self energy consumption who does man -hour in addition, very big reduction to the harmfulness and the destructiveness of power plant power supply system own during the starter motor, directly reduced the expenditure of maintenance repair and maintenance cost simultaneously.
Description
Technical field
This utility model is related to the electrically driven feed pump system of a kind of electrically driven feed pump subsystem and its composition.
Background technology
At present, every nucleus equipment in thermal power plant：In steam generator system, the structure using electrically driven feed pump is come to pot
The Fixed Design scheme all adding to water pump and fore pump using motor liquid feeding mechanical couple that stove supplies water, this old feed pump
Overall operation efficiency after design structure determines this kind of electrically driven feed pump system operation is relatively low, the electric power of consumption larger so that
The electric power ratio value of thermal power plant's autophage while generating electricity is larger, and controls difficulty larger, whole electrically driven feed pump system
During startup, the Electrical Safety in our factory is worked the mischief and affect, motor wear is larger to cause fault rate to take place frequently, affect safety
Generate electricity.Especially send out in 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 problem is there is also under the same configuration in 3X50% capacity.
Utility model content
In order to improve the problems referred to above, the purpose of this utility model is to provide a kind of electrically driven feed pump subsystem and its composition
Electrically driven feed pump system.
To achieve these goals, the technical solution adopted in the utility model 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
Motor is connected with gear-box also by shaft coupling；Described gear-box is connected with feed pump also by shaft coupling.
Further, this utility model also includes being connected with converter by cable and control cable, and be used for controlling electronic to
Water pump subsystem and the Comprehensive Control for electrically driven feed pump subsystem offer power supply and signal and power-supply system.
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；Institute
State gear-box to be connected with feed pump also by shaft coupling；Described independent electric motors are 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 the Comprehensive Control for electrically driven feed pump subsystem offer power supply and signal and power-supply system.
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 pass through cable with
Motor connects；Described motor is connected with fore pump by shaft coupling；Described motor is also by shaft coupling with gear-box even
Connect；Described gear-box is connected with feed pump also by shaft coupling；
3rd subsystem includes motor, fluid coupling, feed pump, fore pump；Described motor pass through shaft coupling with
Fluid coupling connects；Described fluid coupling is connected with feed pump by shaft coupling；Described motor also by shaft coupling with
Fore pump connects.
Further, this utility model also include for control electrically driven feed pump system and for electrically driven feed pump system provide
The Comprehensive Control of power supply and signal and power-supply system；
Described Comprehensive Control and power-supply system pass through cable and the converter of control cable and the first subsystem and the second subsystem
Connect；Described control system is connected 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；Institute
State gear-box to be connected with feed pump also by shaft coupling；Described independent electric motors are 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；Institute
State gear-box to be connected with feed pump also by shaft coupling；Described independent electric motors are individually connected with fore pump by shaft coupling；
3rd subsystem includes motor, fluid coupling, feed pump, fore pump；Described motor pass through shaft coupling with
Fluid coupling connects；Described fluid coupling is connected with feed pump by shaft coupling；Described motor also by shaft coupling with
Fore 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 pass through cable and the converter of control cable and the first subsystem and the second subsystem
Connect with independent electric motors；Described control system is also by cable and the fluid coupling controlling cable and the 3rd subsystem and motor
Connect.
This utility model compared with prior art, has advantages below and beneficial effect：
Not only workmanship efficiency greatly improves this utility model, and directly reduces self-energy consumption during workmanship, pole
Big decreases hazardness and the destructiveness to power plant electric power supply system itself when starting motor, directly decreases daily simultaneously
Maintenance and the expenditure of maintenance cost.
Brief description
Fig. 1 is the system block diagram of this utility model-embodiment 1.
Fig. 2 is the system block diagram of this utility model-embodiment 2.
Fig. 3 is the system block diagram of this utility model-embodiment 3.
Fig. 4 is the system block diagram of this utility model-embodiment 4.
Fig. 5 is that in this utility model, converter and gear-box combine behind efficiency curve and fluid coupling in prior art
The comparison diagram of efficiency curve.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, and embodiment of the present utility model includes
But it is 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, this utility model also includes being connected with converter by cable, and is used for controlling electrically driven feed pump to divide and is
System and the Comprehensive Control for electrically driven feed pump subsystem offer power supply and signal and power-supply system.The present embodiment passes through Comprehensive Control
The parameter run with steam generator system with power-supply system, comprehensive analysis and calculate current water requirements numerical value and change into control and refer to
It is assigned to each electrically driven feed pump subsystem after order, and workmanship power supply is provided, reasonably command doing of electrically driven feed pump subsystem
Work pattern and most preferably 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 torque conduction is done manual work 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 is under motor-driven by deoxygenation
It is transported to feed pump, feed pump is delivered to boiler after again deaerated water pressurizeing after the deaerated water pressurization that device provides.
Not only workmanship efficiency greatly improves the present embodiment, and directly reduces self-energy consumption during workmanship, greatly
Decrease when starting motor to the hazardness of power plant electric power supply system itself and destructiveness, directly decrease daily inspection simultaneously
Repair the expenditure with maintenance cost.
Embodiment 2
As shown in Fig. 2 the present embodiment is with the difference of embodiment 1, including converter, feed pump, motor, gear
Case, fore pump, independent electric motors；
Described converter is connected with motor by cable；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；Described independent electric motors are 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
Subsystem and the Comprehensive Control for electrically driven feed pump subsystem offer power supply and signal and power-supply system
By this setting, increased independent electric motors and individually set up with the fore pump after independence 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.
Embodiment 3
As shown in Fig. 3,5, electrically driven feed pump system, including three subsystems；
First subsystem includes converter, feed pump, motor, gear-box, fore pump；Described motor respectively with frequency conversion
Device, 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 frequency conversion
Device, 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,
Motor, fore pump are all sequentially connected by shaft coupling.
Specifically, this utility model is also included for controlling electrically driven feed pump system and providing for electrically driven feed pump system electric
The Comprehensive Control of source and control signal and power-supply system；
Described Comprehensive Control and power-supply system are connected with the converter of the first subsystem and the second subsystem by cable；Institute
State control system to be connected with the fluid coupling of the 3rd subsystem and motor also by cable and control cable.
The present embodiment passes through to gather the parameter of steam generator system in daily production, and comprehensive analysis need with calculating current water supply
Seek numerical value and change into after control instruction reasonable distribution in each subsystem, and workmanship power supply is provided, rationally commander three
The different workmanship states of subsystem are reaching 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 are connected with described converter to be realized power supply offer and controls output.Described converter pass through cable with described
Motor is connected to control output power to do manual work to described motor；Described motor passes through 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 is extremely described again by shaft coupling with described fore pump
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 deaerated water pressurizeing.
The concrete structure of the 3rd subsystem is as follows：Described Comprehensive Control and power-supply system are passed through to control cable and power cable
It is connected with described motor to realize doing manual work；Described motor is connected to turn round by shaft coupling and described fluid coupling
Square exports 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 is extremely described preposition again by shaft coupling with described fore pump
Pump；It is transported to feed pump, feed pump is again after the deaerated water pressurization that oxygen-eliminating device is provided under motor-driven by described fore pump
It is delivered to boiler after deaerated water is pressurizeed.Described Comprehensive Control and power-supply system are passed through to control 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.
This utility model is by using Comprehensive Control and power-supply system, three electrically driven feed pumps into steam generator system divide respectively
System providing power supply and output signal to do manual work, to realize the workmanship of peak efficiency, particularly described Comprehensive Control and power supply system
System can directly control respective converter drive motor in the first subsystem and the second subsystem, and motor passes through tooth
Roller box drives feed pump to realize the new construction of electrically driven feed pump system, instead of traditional " fluid coupling " transmission mould completely
Formula, improves operational efficiency and the safety coefficient of unit, greatly reduces maintenance repair and maintenance cost, reduce energy consumption.
Although described 3rd subsystem retains the transmission gear shift pattern of traditional " fluid coupling ", in whole boiler
Play the function of back-up system in system, total system in daily workmanship, under the control of Comprehensive Control and power-supply system, the 3rd
Subsystem is intended only as resting state and urgent use.
What deserves to be explained is, the present embodiment passes through Comprehensive Control and power-supply system is concentrated to three electrically driven feed pump subsystems
Carry out workmanship control, effectively provide safety and the controllability of whole feed-water pump, and combine the first subsystem and
Second subsystem, using converter come drive motor and by gear-box drive feed pump efficiently do manual work.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 improve, and directly reduce during acting
Itself energy consumption, considerably reduces hazardness and destructiveness to power plant electric power supply system itself 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 becoming
Frequency 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；Institute
State gear-box to be connected with feed pump also by shaft coupling；Described independent electric motors are 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；Institute
State gear-box to be connected with feed pump also by shaft coupling；Described independent electric motors are connected with front pump of individually putting by shaft coupling；
3rd subsystem includes motor, fluid coupling, feed pump, fore pump；Described motor pass through shaft coupling with
Fluid coupling connects；Described fluid coupling is connected with feed pump by shaft coupling；Described motor also by shaft coupling with
Fore pump connects；
Also include for controlling electrically driven feed pump system and providing the comprehensive of power supply and control signal for electrically driven feed pump system
Close and control and power-supply system；
Described Comprehensive Control and power-supply system pass through converter and the independence of cable and the first subsystem and the second subsystem
Motor connects；Described control system is connected with the fluid coupling of the 3rd subsystem and motor also by cable.
By this setting, increased independent electric motors and individually set up with the fore pump after independence 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, this utility model just can be realized well.What deserves to be explained is, based on said structure design
On the premise of, for solving same technical problem, even if some made on this utility model are no substantial and changing or moistens
Color, the essence of the technical scheme being adopted is still as this utility model, therefore it should also be as in protection model of the present utility model
In enclosing.
Claims (8)
1. electrically driven feed pump subsystem is 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.
2. electrically driven feed pump subsystem according to claim 1 is it is characterised in that also include by cable and control cable and change
Frequency device connects, and for controlling electrically driven feed pump subsystem and the synthesis control for electrically driven feed pump subsystem offer power supply and signal
System and power-supply system.
3. electrically driven feed pump subsystem is 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 are individually connected with fore pump by shaft coupling.
4. electrically driven feed pump subsystem according to claim 3 is it is characterised in that also include by cable and control cable difference
It is connected with converter and independent electric motors, and be used for controlling electrically driven feed pump subsystem and provide electricity for electrically driven feed pump subsystem
The Comprehensive Control of source and signal and power-supply system.
5. electrically driven feed pump system is it is characterised in that include three subsystems；
First subsystem includes converter, feed pump, motor, gear-box, fore pump；Described converter pass 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 pass 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.
6. electrically driven feed pump system according to claim 5 is it is characterised in that also include for controlling electrically driven feed pump system
System and the Comprehensive Control for electrically driven feed pump system offer power supply and control signal and power-supply system；
Described Comprehensive Control and power-supply system are passed through cable and are connected with the converter of the first subsystem and the second subsystem with control cable；
Described control system is connected with the fluid coupling of the 3rd subsystem and motor also by cable and control cable.
7. electrically driven feed pump system is 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 are 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 are 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.
8. electrically driven feed pump system according to claim 7 is it is characterised in that also include for controlling electrically driven feed pump system
System and the Comprehensive Control for electrically driven feed pump system offer power supply and control signal and power-supply system；
Described Comprehensive Control and power-supply system pass through the converter of cable and control cable and the first subsystem and the second subsystem and only
Vertical motor connects；Described control system connects also by the fluid coupling of cable and control cable and the 3rd subsystem and motor
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946002.4U CN205977582U (en) | 2016-08-25 | 2016-08-25 | Electric feed water pump divides system and electric feed water pump system that constitutes thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946002.4U CN205977582U (en) | 2016-08-25 | 2016-08-25 | Electric feed water pump divides system and electric feed water pump system that constitutes thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977582U true CN205977582U (en) | 2017-02-22 |
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ID=58036044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620946002.4U Active CN205977582U (en) | 2016-08-25 | 2016-08-25 | Electric feed water pump divides system and electric feed water pump system that constitutes thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN205977582U (en) |
Cited By (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 CN201620946002.4U patent/CN205977582U/en active Active
Cited By (2)
| 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 |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210520 Address after: No. 1402, 18th floor, District 1, Xiluoyuan, Fengtai District, Beijing Patentee after: Liu Yahui Address before: 100000 Unit 702, Unit 1, Building 4, No. 9 Courtyard, Jingou River East Road, Haidian District, Beijing Patentee before: Yu Chaofu Patentee before: Liu Yahui |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20240122 Address after: No. 1402, 18th floor, District 1, Xiluoyuan, Fengtai District, Beijing Patentee after: Liu Yahui Country or region after: China Patentee after: Beijing Leyuan Pudao Intelligent Technology Co.,Ltd. Address before: No. 1402, 18th floor, District 1, Xiluoyuan, Fengtai District, Beijing Patentee before: Liu Yahui Country or region before: China |