CN110130436A - Intelligent water energy repetend electric system - Google Patents

Intelligent water energy repetend electric system Download PDF

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Publication number
CN110130436A
CN110130436A CN201910489313.0A CN201910489313A CN110130436A CN 110130436 A CN110130436 A CN 110130436A CN 201910489313 A CN201910489313 A CN 201910489313A CN 110130436 A CN110130436 A CN 110130436A
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water
valve
hydraulic turbine
water pump
return
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CN201910489313.0A
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CN110130436B (en
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杨广平
杨智焜
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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • E03B1/02Methods or layout of installations for water supply for public or like main supply for industrial use
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons or valves, in the pipe systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B15/00Controlling
    • F03B15/02Controlling by varying liquid flow
    • F03B15/04Controlling by varying liquid flow of turbines
    • F03B15/06Regulating, i.e. acting automatically
    • F03B15/08Regulating, i.e. acting automatically by speed, e.g. by measuring electric frequency or liquid flow
    • F03B15/12Regulating, i.e. acting automatically by speed, e.g. by measuring electric frequency or liquid flow with retroactive action
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/30Relating to industrial water supply, e.g. used for cooling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Water Turbines (AREA)

Abstract

The present invention is intelligent water energy repetend electric system, solves legacy system without generating function, maintenance and operational management are inconvenient, the high problem of energy consumption.By intelligent controlling device, hydraulic turbine bypass, Efficient water pump bypass composition, 1st temperature sensor is installed on water return pipeline, pressure sensor and flow sensor, 2nd temperature sensor is installed on water supply pipe, 3rd temperature sensor is installed on the bearing block of the hydraulic turbine, displacement sensor is installed on the servomotor of the hydraulic turbine, sensor acquires return water, the related parameter of water supply pipe is supplied to the PLC programmable controller of Intelligent control cabinet 1, the real time temperature for the water return pipeline that programmable controller is acquired according to sensor, pressure, the variation of the temperature of flow and water supply pipe, compared with the setting value for the parameter that water system requires, when one in these parameters exceeds setting value, programmable controller passes through hydraulic station, servomotor adjusts the flow of the hydraulic turbine and the flow of water supply pipe water pump, the parameter is returned to set In limits.

Description

Intelligent water energy repetend electric system
Technical field
The present invention is related with water pump water supply system energy conservation.
Background technique
The system that many water pumps supply water, currently used is that one or several water pumps pressurize to water, is transported to needs Scene, there are many processing modes for the water flow after use.Some is discharged to river after water is guided to water treatment facilities processing again;Some rows To underground;Some introduces the water into cooling tower cooling by water return pipeline, is then pressed and delivered to the scene of needs by water pump again, from And realize the recycling of water.However, the water flow after use is toward contact with a large amount of water energys: first, there is also position energy more than needed.Than As earth source heat pump flows into the position energy of underground after from underground water intake to ground use.The equipment or material of factory need cooling heat exchange Device, because process requirement installation site is higher, cooling water flows to hot-tub from high-order heat exchanger or flows into cooling tower, and there is also more than needed Position energy.Second, it supplies water, heating system, because using the far and near distance of user different, line loss is different, with water distance from shorter Return water overbottom pressure is bigger.Third, in order to which duty water meets the maximum demand of user, designer must be by maximum demand flow Water supply pump is designed, and considers safety coefficient, therefore, water pump actual flow has larger more than needed.4th, because ambient air temperature height becomes Change, the variation of user's use demands, actual flow exists more than needed.
Under the advocating of national energy conservation and emission reduction policy, many recycling return water complementary energy are produced, or reduce recirculated water energy Technology and methods.For example, adjusting flow to water pump speed change using variable-frequency motor, but deposit because water pump itself is not adjustable flow In frequency converter power consumption itself, frequency conversion is not economized on electricity power-consuming instead when water-pump excess energy is few, and there are also generate higher hamonic wave to influence electricity Network electric energy quality causes the motor feels hot to increase.For another example, useful hydraulic turbine of cooling tower recycles the energy more than needed of return water waste Amount, but because the hydraulic turbine may break down, it will affect blower exhausting, cooling circulating water system caused to influence production.For another example, also Have using turbine-generator units using backwater top pressure power generation energy conservation, but there are what electricity generation system increased user to use and manage hardly possible The problems such as spending, reducing the reliability of water system.But the power saving rate of prior art is not high, generally 10% or so, and The energy dissipation of water pump water supply system generally has 40% or more, or even some is up to 70%!
The Patent No. ZL201721854153.8 " energy-efficient water-cooling circulating system " of the present inventor provides a kind of stretched by axis and passes through Safe and reliable, the energy-efficient hydrologic cycle cooling system of the turbine pump of flow water turbine and Efficient water pump composition.Axis stretches through-flow The formula hydraulic turbine converts kinetic energy for system overbottom pressure and is supplied directly to Efficient water pump, replaces or reduces motor power consumption, to make to follow Ring water consumption reduces, which is only applicable to the circulation that pressure of return water is not high, return water energy is small, and use scope is not Extensively, power savings are undesirable.And use operational management trouble.
Summary of the invention
The object of the present invention is to provide one kind to have water energy circulation and generating function, safe and reliable, maintenance and operational management Convenient, the energy-efficient intelligent water energy repetend electric system of water pump water supply.
The present invention is implemented as follows:
Intelligent water energy repetend electric system is by intelligent controlling device, hydraulic turbine bypass, Efficient water pump bypass composition, hydraulic turbine bypass It is made of the 1st valve 10 on the hydraulic turbine 4 and its first inlet pipeline 9, the 2nd valve 5 on the 1st outlet pipeline 6, intelligent control Device is made of several sensors, electrically operated valve, Intelligent control cabinet 1, hydraulic station 2, servomotor 3, and Efficient water pump is bypassed by efficient Water pump 13 and its 3rd valve 20 on the 2nd inlet pipeline 19, the 4th valve 12 on the 2nd outlet pipeline 14 and Efficient water pump 13 The asynchronous machine 17 of transmission connection forms, and the 1st outlet pipeline 6, the 1st inlet pipeline 9 are connect with the water return pipeline of system 8 respectively, There is the 5th valve 7 between two tie points, one end axis of Efficient water pump 13 is connect with the axis of the hydraulic turbine 4 by the 1st shaft coupling 11, separately One end axis is connect with asynchronous machine 17 by the 2nd shaft coupling 18, or is coaxially directly connected to, and the bypass of Efficient water pump 13 is supplied with system 16 parallel running of the 1st water pump in water lines 15, the inlet and outlet of Efficient water pump 13 have the 3rd valve 20, the 4th valve 12 respectively, the The inlet and outlet of 1 water pump 16 have the 6th valve 53, the 7th valve 54 respectively, and intelligent controlling device is controlled by hydraulic station 2, servomotor 3 The water distributor 52 or Kaplan mechanism 300 of the hydraulic turbine adjust the flow of the hydraulic turbine.
1st temperature sensor, the 1st pressure sensor and flow sensor are installed on water return pipeline 8, in water supply pipe 15 The 2nd temperature sensor of upper installation installs the 3rd temperature sensor, on the servomotor 3 of the hydraulic turbine on the bearing block of the hydraulic turbine 4 The displacement that displacement sensor 50 detects the piston 51 of servomotor is installed, sensor acquires return water, the related parameter of water supply pipe mentions Supply the PLC programmable controller of Intelligent control cabinet 1, the real-time temperature for the water return pipeline that programmable controller is acquired according to sensor The variation of degree, pressure, the temperature of flow and water supply pipe, compared with the setting value for the parameter that water system requires, when these ginsengs When one of them several exceeds setting value, programmable controller adjusts flow and the confession of the hydraulic turbine by hydraulic station 2, servomotor 3 The flow of water lines water pump, make that the parameter replys in range of set value.
Asynchronous machine 17 using have two kinds of functions of generator and motor asynchronous machine, when return water power surplus compared with Greatly, when the hydraulic turbine 4 converts the shaft power for being supplied to Efficient water pump 13 greater than the shaft power that Efficient water pump 13 needs, asynchronous machine 17 As generator run, Efficient water pump 13 by extra shaft power be supplied to 17 reverse power generation of asynchronous machine supply power grid, when return The power surplus of water is smaller, and the hydraulic turbine 4 converts the shaft power for being supplied to Efficient water pump 13 less than the shaft work that Efficient water pump 13 needs When rate, asynchronous machine 17 is used as motor running, and the motor supplement insufficient shaft power of the hydraulic turbine 4 is supplied to Efficient water pump 13.
In the higher water system of pressure of return water, the hydraulic turbine 4 is suitable for using Francis turbine, and all valves are using electronic Type, when the hydraulic turbine 4 or Efficient water pump 13 are faulty or when needing to overhaul, intelligent controlling device control bypasses return water from the hydraulic turbine 8 return water of water return pipeline is automatically switched to, the 1st water pump 16 that Efficient water pump bypass water supply automatically switches to water supply pipe 15 is supplied Water, guaranteeing to supply water operates normally, when the 3rd temperature sensor on hydrodynamic bearing seat detects that bearing temperature is more than the report of setting When alert value, programmable controller controls alarm equipment alarm;When the third temperature sensor on hydrodynamic bearing seat detects bearing When temperature reaches the accidental shutdown value of setting, programmable controller controls the 3rd valve 20 and the 4th valve 12 is closed, and controls simultaneously The 6th valve 53 of 16 import of the 1st water pump and the 7th valve 54 of outlet are opened on water supply pipe 15, and the water supply of Efficient water pump 13 is cut It is changed to the water supply of the 1st water pump 16, the 5th valve 7 then controlled on water return pipeline 8 is opened, while by the 1st valve 10 and the 2nd valve 5 It closes, makes return water 8 return water from the hydraulic turbine bypass changeover to water return pipeline, trouble shooting exclusion then is carried out to the hydraulic turbine, to water Turbine is overhauled, and after the hydraulic turbine is normal, programmable controller controls the 3rd valve 20 and the 4th valve 12 is opened, while controlling confession The 6th valve 53 of 16 import of the 1st water pump and the 7th valve 54 of outlet are closed in water lines 15, and the water supply of the 1st water pump 16 is switched to Efficient water pump 13 supplies water, and the 5th valve 7 then controlled on water return pipeline 8 is closed, while the 1st valve 10 and the 2nd valve 5 being opened It opens, return water is made to be switched to hydraulic turbine bypass return water from water return pipeline 8.
In water supply handoff procedure, the pressure of return water numerical value that programmable controller is detected according to pressure sensor, control The speed of valve switch, during water supply is switched to the 1st water pump 16 and supplies water, water return pipeline pressure is more than normal pressure of return water When setting value, reduce the opening speed of the 7th valve 54 of the 6th valve 53 and the outlet of the 1st water pump 16, or pause is opened, to return water Switch valve restores original state again when loine pressure is returned to normal pressure of return water setting value, conversely, being switched to the 1st in water supply During water pump 16 supplies water, when pressure of return water is lower than normal pressure of return water setting value, reduce the 3rd valve 20 and the 4th valve 12 Closing velocity, or pause closes, and switch valve restores original again when pressure of return water is returned to normal pressure of return water setting value State.
In many cases, several water pumps in parallel in water supply pipe 15, it is spare for wherein at least having a water pump.It is supplying water 2nd temperature sensor and the 2nd pressure sensor, Efficient water pump 13, the 1st water pump 16, the 2nd water pump the 161, the 3rd are installed on pipeline 15 The inlet and outlet that water pump 162 is parallel to the 15, the 2nd water pump 161 of water supply pipe have the 8th valve 55, the 9th valve 56, the 3rd water pump respectively 162 inlet and outlet have the 10th valve 57, the 11st valve 58 respectively, and all valves use power type.In the lesser confession of pressure of return water Water system, the hydraulic turbine 4 are suitable for stretching through-flow kaplan type turbine using rear axle, and the servomotor 3 of intelligent controlling device directly designs 302 the inside of web of the hydraulic turbine 4, Intelligent control cabinet 1 is by hydraulic station 2, then passes through 302 the inside of control Hydraulic Turbine Rotor Servomotor 3, the Kaplan mechanism 300 for directly controlling the hydraulic turbine drive the blade 301 of the hydraulic turbine to rotate, which is linear reciprocation fortune The dynamic structure for becoming rotation, rear axle are stretched through-flow kaplan type turbine and are widely applied in power station, many hydraulic turbine structure teaching materials, It is described inside the data such as design manual, hydraulic turbine technical professional is easy for that implementation can be designed, to adjust water wheels The flow of machine.When the intelligent water energy repetend electric system works, at least one in the 1st water pump 16, the 2nd water pump and the 3rd water pump Platform closes spare, the more water pumps unlatching including Efficient water pump 13, and the valve 21 in return pipe is closed, and return water is walked by the hydraulic turbine Road.It can be opened with Efficient water pump 13 and the 1st water pump 16, the 2nd water pump 161 and the 3rd water pump 162 are spare, and return water walks hydraulic turbine bypass, That is the 1st valve 10, the 2nd valve 5, the 3rd valve 20, the 4th valve 12, the 6th valve 53, the 7th valve 54 are opened, the 8th valve 55, the 9 valves 56, the 10th valve 57, the 11st valve 58, the 12nd valve 21 are closed.
The related parameter of sensor acquisition is supplied to the PLC programmable controller of Intelligent control cabinet 1, programmable controller root According to the variation of the real time temperature, pressure, flow of sensor acquisition, compared with the setting value of the parameter required according to water system, When one of them of these parameters exceeds setting value, programmable controller pushes the hydraulic turbine by hydraulic station 2 and servomotor 3 Kaplan mechanism 300 act, rotate the blade 301 of the hydraulic turbine, adjust the flow of the hydraulic turbine and the flow of water system, make this Parameter is returned in range of set value, in adjustment process, is installed displacement sensor 50 on the servomotor 3 of the hydraulic turbine and is detected relay The shift value of the piston 51 of device is supplied to programmable controller and carries out operation, adjusts flow more acurrate, thus, make to supply water The water supply of system meets at least must flow.
When the 3rd temperature sensor on hydrodynamic bearing seat detects that bearing temperature is more than the alarming value of setting, can compile Range controller controls alarm equipment alarm;When the 3rd temperature sensor on hydrodynamic bearing seat detects that bearing temperature is more than setting Accidental shutdown value when, programmable controller control open the 8th valve 55, the 9th valve 56, thus open the 2nd water pump 161, together When the 3rd valve 20 of control and the 4th valve 12 close, the water supply of Efficient water pump 13 is switched to the 2nd water pump 161 and supplies water, system water supply It is switched to and is supplied water by two water pumps.Then control subsequent 12nd valve 21 of water return pipeline 8 is opened, while by 10 He of the 1st valve 2nd valve 5 is closed, and return water 8 return water from the hydraulic turbine bypass changeover to water return pipeline is made, and the hydraulic turbine 4 and Efficient water pump 13 stop fortune Then row can carry out trouble shooting exclusion to the hydraulic turbine, can overhaul to the hydraulic turbine 4 and Efficient water pump 13, water wheels After machine is normal, and it can control and close the 8th valve 55 and the 9th valve 56, to close the 2nd water pump 161, while controlling the 3rd valve The 20 and the 4th valve 12 of door is opened, and the water supply of the 2nd water pump 161 is switched to Efficient water pump 13 and is supplied water, control water return pipeline 8 is subsequent 12nd valve 21 is closed, while the 1st valve 10 and the 2nd valve 5 being opened, and is switched to return water by the hydraulic turbine from water return pipeline 8 Road return water restores hydraulic turbine operation, and return water complementary energy conversion feedback feed pump is made to economize on electricity.
Displaced position or the flow sensor detection for the piston 51 that programmable controller is detected according to displacement sensor 50 Data on flows, determines hydraulic turbine discharge, the switch of control valve, and the number of units of parallel connection pump, PLC technology are opened in control The data on flows of displaced position or the flow sensor detection for the piston 51 that device is detected according to displacement sensor 50, determines water wheels Machine flow be greater than the 1st, flow of 2 water pumps and when, the 10th valve 57 and the 11st valve 58 are opened in programmable controller control, thus The 3rd water pump 162 is opened, is supplied water by 3 water pumps, the bit shift for the piston 51 that programmable controller is detected according to displacement sensor 50 Set or flow sensor detection data on flows, determine hydraulic turbine discharge be less than Efficient water pump metered flow when, programmable control The 6th valve 53 and the 7th valve 54 are closed in device control processed, to close the 1st water pump 16, are only supplied water by 1 Efficient water pump 13, are made to supply The water supply of water system meets the flow of system needs.
Hydraulic station 2 is the hydraulic station comprising oil pump and three position four-way electromagnetic valve.
The present invention increases the intelligent water energy repetend electric system of the present invention, makes back in common water pump circulating water supply system The energy of water, which realizes, to be recycled, or even Generation of induction motor is made to power back to other pump motors, also as save water The power consumption for pumping lift, flow more than needed, also as save the power consumption for the flow more than needed that ambient air temperature reduces and user needs to reduce, significantly Reduce the power consumption of water supplying motor.Reduce labor management cost, reduce manual operation not in time and error, reduces artificial Maloperation improves the security reliability for water running.The intelligent water energy repetend electric system of the invention is than traditional economize on electricity side Method, easy to use and reliable, power saving rate significantly improves.
Detailed description of the invention
Fig. 1 is the intelligent water energy repetend electric system schematic diagram of the embodiment of the present invention 1.
Fig. 2 is 1 intelligent controlling device schematic diagram of embodiment.
Fig. 3 is the intelligent water energy repetend electric system schematic diagram of embodiment 2.
2 intelligent controlling device schematic diagram of Fig. 4 embodiment.
Specific embodiment
Embodiment 1:
Fig. 1 is to increase a set of intelligent water energy repetend electric system in a common water pump circulating water supply system.Intelligent water energy Power saving apparatus is recycled by intelligent controlling device, hydraulic turbine bypass, Efficient water pump bypass composition.The hydraulic turbine is bypassed by mixed-flow wheel Machine 4, the 1st inlet pipeline 9, the 1st valve 10, the 1st outlet pipeline 6, the 2nd valve 5 composition.Intelligent controlling device is by several sensings Device, Intelligent control cabinet 1, hydraulic station 2, servomotor 3 form.Efficient water pump is bypassed by Efficient water pump 13, the 2nd inlet pipeline the 19, the 3rd Valve 20, the 2nd outlet pipeline 14, the 4th valve 12, asynchronous machine 17 form.
One end axis of Efficient water pump 13 is connect with the axis of the hydraulic turbine 4 by the 1st shaft coupling 11, other end axis and asynchronous machine 17 are connected by the 2nd shaft coupling 18, or are coaxially directly connected to.Efficient water pump bypass and 16 parallel running of water pump.
Hydraulic turbine bypass is in parallel with common water return pipeline 8.In common water return pipeline 8 increase the 5th valve 7, the 1st into Water lines 9 are connect with the water return pipeline 8 of 7 front of the 5th valve, and the 1st outlet pipeline 6 and the subsequent water return pipeline 8 of the 5th valve 7 connect It connects.Pressure of return water is higher, using the Francis turbine 4 with water distributor.Intelligent controlling device passes through hydraulic station 2, relay The water distributor 52 that device 3 controls the hydraulic turbine adjusts the flow of the hydraulic turbine.
In normal use, a common water pump circulating water supply is replaced using increased a set of intelligent circulation power saving apparatus. If intelligent controlling device is as shown in Fig. 2, can be arranged dry temperature sensor, pressure sensor, flow according to specific water supply situation Sensor and displacement sensor install the first temperature sensor on water return pipeline 8, on the pipeline that water supply user mainly uses water 2nd temperature sensor is installed, the 3rd temperature sensor is installed on hydrodynamic bearing seat, pressure sensing is installed on water return pipeline 8 Device and flow sensor install the displacement that displacement sensor 50 detects the piston 51 of servomotor on the servomotor 3 of the hydraulic turbine.It passes The related parameter of sensor acquisition return water is supplied to the PLC programmable controller of Intelligent control cabinet 1, and programmable controller is according to sensing The variation of the real time temperature, pressure, flow and the temperature of water supply user of the return water of device acquisition, with the ginseng required according to water system Several setting values compare, and when one of them of these parameters exceeds setting value, programmable controller passes through hydraulic station 2, relay Device 3 adjusts the flow of the hydraulic turbine and the flow of water system, in the range of set value for replying the parameter.
Hydraulic station 2 can select the common main hydraulic station comprising oil pump and three position four-way electromagnetic valve, PLC technology Device pushes piston 51 to move by the oil pump of starting hydraulic station for pressure oil, and by solenoid valve control pressure oil disengaging servomotor 3 It is dynamic, push the water distributor 52 of the hydraulic turbine 4 to adjust hydraulic turbine discharge.
When the temperature of the real time temperature of return water or water supply user is greater than the set value, programmable controller passes through hydraulic station 2, Servomotor 3 adjusts the flow of the flow and water system that increase the hydraulic turbine, is returned to the parameter in range of set value.Conversely, When the temperature of the real time temperature of return water or water supply user are less than setting value, programmable controller passes through hydraulic station 2, servomotor 3 The flow for adjusting the flow and water system that reduce the hydraulic turbine, is returned to the parameter in range of set value.In adjustment process, The shift value that displacement sensor 50 detects the piston 51 of servomotor is installed on the servomotor 3 of the hydraulic turbine, is supplied to programmable control Device processed carries out PID arithmetic, adjusts flow more acurrate, thus, meeting the water supply of water system at least must flow.
All valves are used into power type, when the hydraulic turbine 4 or Efficient water pump 13 are faulty or when needing to overhaul, intelligent control Device, which can control, automatically switches to former 8 return water of water return pipeline from hydraulic turbine bypass for return water, and Efficient water pump bypass is supplied water certainly Dynamic to be switched to the common water supply of water pump 16, guaranteeing to supply water operates normally.When the 3rd temperature sensor detection on hydrodynamic bearing seat When being more than the alarming value of setting to bearing temperature, programmable controller controls alarm equipment alarm;The 3rd on hydrodynamic bearing seat When temperature sensor detects that bearing temperature reaches the accidental shutdown value of setting, programmable controller controls the 3rd valve 20 and the 4th Valve 12 is closed, while controlling the 6th valve 53 of 15 charging pump of water supply pipe, 16 import and the 7th valve 54 unlatching of outlet, will The water supply of Efficient water pump 13 is switched to the water supply of water pump 16.Then the 5th valve 7 controlled on water return pipeline 8 is opened, while by the 1st valve The 10 and the 2nd valve 5 of door is closed, and return water 8 return water from the hydraulic turbine bypass changeover to water return pipeline is made.Then failure is carried out to the hydraulic turbine It checks and excludes, the hydraulic turbine is overhauled.After the hydraulic turbine is normal, programmable controller controls the 3rd valve 20 and the 4th valve 12 is opened It opens, while controlling the 6th valve 53 of 15 charging pump of water supply pipe, 16 import and the 7th valve 54 closing of outlet, water pump 16 is supplied Water is switched to the water supply of Efficient water pump 13.Then the 5th valve 7 controlled on water return pipeline 8 is closed, while by the 1st valve 10 and the 2nd Valve 5 is opened, and so that return water is switched to hydraulic turbine bypass return water from water return pipeline 8, return water complementary energy conversion feedback feed pump is made to economize on electricity.
In water supply handoff procedure, the pressure of return water numerical value that programmable controller is detected according to pressure sensor, control The speed of valve switch.For example, pressure of return water is more than that normal pressure of return water is set during water supply is switched to water pump 16 and supplies water When definite value, reduce the opening speed of the 7th valve 54 of the 6th valve 53 and outlet, or pause is opened, and is returned to just to pressure of return water Switch valve is further continued for when normal pressure of return water setting value.Conversely, during water supply is switched to water pump 16 and supplies water, pressure of return water When lower than normal pressure of return water setting value, reduce the closing velocity of the 3rd valve 20 and the 4th valve 12, or pause is closed, to return water Switch valve is further continued for when pressure recovery is to normal pressure of return water setting value.
The return water water energy of elevated pressures is converted to kinetic energy by Francis turbine 4, is supplied to Efficient water pump 13, is realized water Energy recycles.In general, the power surplus for the return water that separate unit water pump supplies water is smaller, the conversion of the hydraulic turbine 4 is supplied to Efficient water pump 13 shaft power is less than the shaft power that Efficient water pump 13 needs, and asynchronous machine 17 is used as motor running, and the supplement hydraulic turbine 4 is insufficient Shaft power be supplied to Efficient water pump 13.Asynchronous machine 17 significantly economizes on electricity than the drive motor of common water pump 16.
Special circumstances, for example the system is used for urban heat supplying water system, the hydraulic turbine is bypassed and primary circuit of heating Parallel connection, Efficient water pump is in parallel with secondary water-supply water pump, due to once returning when primary circuit of heating is closer from water pump of heating Road return water overbottom pressure is larger, and the possible hydraulic turbine 4 converts the shaft power for being supplied to Efficient water pump 13 greater than the axis that Efficient water pump 13 needs Power, asynchronous machine 17 are run as generator, and extra shaft power is supplied to asynchronous machine 17 and reversely sent out by Efficient water pump 13 Electricity supply power grid.Water supply completely dispenses with electricity, also the reversed supply power grid of power generation.
This increased set intelligence water energy repetend electric system, has saved the power consumption of water-pump excess lift, flow, has recycled time The energy of water, reduces the power consumption of motor, or even Generation of induction motor is made to power back to other pump motors.It also as save The power consumption for the flow more than needed that ambient air temperature reduces and user needs to reduce.The intelligent water energy repetend electric system of the invention is than tradition Power-saving method, easy to use and reliable, power saving rate significantly improves, and economic benefit is very good.
Embodiment 2:
Increase a set of intelligent water energy repetend electric system in common more water pump circulating water supply systems, if Fig. 3 is common Dual-purpose one is standby or one with two standby water systems.For intelligent water energy repetend electric system by intelligent controlling device, hydraulic turbine bypass is high Imitate water pump bypass composition.The hydraulic turbine is bypassed by the hydraulic turbine 4, the 1st inlet pipeline 9, the 1st valve 10, the 1st outlet pipeline 6, the 2nd valve Door 5 forms.In the lesser water system of pressure of return water, the hydraulic turbine 4 is suitable for stretching through-flow kaplan type turbine using rear axle.Intelligence control Device processed is made of several sensors, Intelligent control cabinet 1, hydraulic station 2.Efficient water pump is bypassed by Efficient water pump 13, the 2nd water inlet pipe Road 19, the 3rd valve 20, the 2nd outlet pipeline 14, the 4th valve 12, asynchronous machine 17 form.
One end axis of Efficient water pump 13 is connect with the axis of the hydraulic turbine 4 by the 1st shaft coupling 11, the other end of Efficient water pump 13 Axis is connect with asynchronous machine 17 by the 2nd shaft coupling 18.Efficient water pump bypass and common 1st water pump 16 and the 2nd water pump 161, With 162 parallel running of the 3rd water pump.All valves use power type.
Hydraulic turbine bypass is in parallel with common water return pipeline 8, i.e., the 1st inlet pipeline 9 is connect with common water return pipeline 8, 1st outlet pipeline 6 is connect with the subsequent water return pipeline 40 of common 12nd valve 21, forms parallel relationship.Pressure of return water is lower, Through-flow kaplan type turbine 30 is stretched using rear axle, the servomotor 3 of intelligent controlling device directly designs the web in the hydraulic turbine 4 302 the insides, Intelligent control cabinet 1 are directly controlled by hydraulic station 2, then by the servomotor 3 of 302 the inside of control Hydraulic Turbine Rotor The Kaplan mechanism 300 of the hydraulic turbine processed drives the blade 301 of the hydraulic turbine to rotate, to adjust the flow of the hydraulic turbine.
In normal use, the Yi Taishui in common 3 water pumps is replaced using increased a set of intelligent circulation power saving apparatus Pump and other parallel connection pump circulating water supplies.For example Efficient water pump 13 and common 1st water pump 16 are opened, 161 He of the 2nd water pump 3rd water pump 162 is spare, and return water walks hydraulic turbine bypass, i.e. the 1st valve 10, the 2nd valve 5, the 3rd valve 20, the 4th valve the 12, the 6th Valve 53, the 7th valve 54 are opened, and the 8th valve 55, the 9th valve 56, the 10th valve 57, the 11st valve 58, the 5th valve 7 are closed.
Such as Fig. 3, Fig. 4, intelligent controlling device can be arranged several sensors according to specific water supply situation, use householder in water supply With the 2nd temperature sensor is installed on the pipeline of water, the 3rd temperature sensor is installed on hydrodynamic bearing seat, in water return pipeline 8 The 1st temperature sensor of upper installation, pressure sensor and flow sensor, on water supply pipe 15 install the 2nd temperature sensor and 2nd pressure sensor installs the displacement that displacement sensor 50 detects the piston 51 of servomotor on the servomotor 3 of the hydraulic turbine.It passes The related parameter of sensor acquisition is supplied to the PLC programmable controller of Intelligent control cabinet 1, and programmable controller is adopted according to sensor The variation of the real time temperature, pressure, flow of collection, compared with the setting value of the parameter required according to water system, when these parameters One of them when exceeding setting value, programmable controller pushes the Kaplan mechanism of the hydraulic turbine by hydraulic station 2 and servomotor 3 300 movements, rotate the blade 301 of the hydraulic turbine, adjust the flow of the hydraulic turbine and the flow of water system, be returned to the parameter In range of set value.In adjustment process, the piston 51 that displacement sensor 50 detects servomotor is installed on the servomotor 3 of the hydraulic turbine Shift value, be supplied to programmable controller carry out PID arithmetic, make flow adjust it is more acurrate, thus, make the confession of water system Water meets at least must flow.
When the third temperature sensor on hydrodynamic bearing seat detects that bearing temperature is more than the alarming value of setting, can compile Range controller controls alarm equipment alarm;When the 3rd temperature sensor on hydrodynamic bearing seat detects that bearing temperature is more than setting Accidental shutdown value when, programmable controller control open the 8th valve 55, the 9th valve 56, to open common 2nd water pump 161, while the 3rd valve 20 and the closing of the 4th valve 12 are controlled, the water supply of Efficient water pump 13 is switched to common 2nd water pump 161 and is supplied Water, system water supply is switched to be supplied water by two common water pumps.Then the control subsequent valve 7 of water return pipeline 8 is opened, and simultaneously will 1st valve 10 and the 2nd valve 5 are closed, and return water 8 return water from the hydraulic turbine bypass changeover to water return pipeline is made.The hydraulic turbine 4 and High-efficient Water It pumps 13 out of service, then can carry out trouble shooting exclusion to the hydraulic turbine, the hydraulic turbine 4 and Efficient water pump 13 can be carried out Maintenance.After the hydraulic turbine is normal, and it can control and close the 8th valve 55 and the 9th valve 56, to close common water pump 161, together When the 3rd valve 20 of control and the 4th valve 12 open, the water supply of common 2nd water pump 161 is switched to Efficient water pump 13 and supplied water, so The 12nd valve 21 controlled on water return pipeline 8 afterwards is closed, while the 1st valve 10 and the 2nd valve 5 being opened, and makes return water from return water Pipeline 8 is switched to hydraulic turbine bypass return water, and return water complementary energy conversion feedback feed pump is made to economize on electricity.
Programmable controller can be examined according to the displaced position or flow sensor for the piston 51 that displacement sensor 50 detects The data on flows of survey, determines hydraulic turbine discharge, the switch of control valve, and the number of units of parallel connection pump is opened in control.For example, can The data on flows of displaced position or the flow sensor detection for the piston 51 that programmable controller is detected according to displacement sensor 50, When determining that hydraulic turbine discharge is greater than the flow for opening two water pumps, the 10th valve 57 and the 11st valve are opened in programmable controller control 58, to open the 3rd water pump 162, supplied water by 3 water pumps, to meet the needs of flow system flow.For another example, programmable controller The data on flows that the displaced position or flow sensor of the piston 51 detected according to displacement sensor 50 detect, determines the hydraulic turbine When flow is less than the metered flow for opening a water pump, the 6th valve 53 and the 7th valve 54 are closed in programmable controller control, thus The 1st water pump 16 is closed, is only supplied water by 1 Efficient water pump 13, meeting the water supply of water system at least must flow.
Asynchronous machine 17 has the function of generator and two kinds of motor.When the power surplus of return water is larger, 30 turns of the hydraulic turbine When changing the shaft power for being supplied to Efficient water pump 13 greater than the shaft power that Efficient water pump 13 needs, asynchronous machine 17 is transported as generator Extra shaft power is supplied to 17 reverse power generation of asynchronous machine supply power grid by row, Efficient water pump 13.When the power surplus of return water It is smaller, when the hydraulic turbine 30 converts the shaft power for being supplied to Efficient water pump 13 less than the shaft power that Efficient water pump 13 needs, asynchronous electricity Machine 17 is used as motor running, and motor supplements the insufficient shaft power of the hydraulic turbine 4 and provides Efficient water pump 13.
This increased set intelligence water energy repetend electric system, has saved the power consumption of water-pump excess lift, flow, has recycled time The energy of water reduces the power consumption of water supplying motor, also as save the flow more than needed that ambient air temperature reduces and user needs to reduce Power consumption, or even Generation of induction motor is made to power back to other pump motors.Water energy intelligent circulation economize on electricity is realized, is realized The intelligent energy-saving operation of intelligent regulating pondage and water supply in real time, reduces labor management cost, it is too late to reduce manual operation When and error, avoid artificial incorrect operation, improve the security reliability for water running.The intelligent water energy repetend electricity of the invention System is than traditional power-saving method, and easy to use and reliable, power saving rate significantly improves.
For example the system is used for city tap-water water system, hydraulic turbine bypass is equivalent to back with diversion pipeline 8( Water) it is in parallel, Efficient water pump is in parallel with tap water supply water pump 16, and since diversion pipeline 8 is there are overbottom pressure, the hydraulic turbine 4 turns overbottom pressure It changes and is supplied to Efficient water pump 13.When the shaft power of the hydraulic turbine 4 is greater than the shaft power that Efficient water pump 13 needs, 17 conduct of asynchronous machine Extra shaft power is supplied to 17 reverse power generation of asynchronous machine supply power grid by generator operation, Efficient water pump 13.When diversion Power surplus is smaller, when the hydraulic turbine 4 converts the shaft power for being supplied to Efficient water pump 13 less than the shaft power that Efficient water pump 13 needs, Asynchronous machine 17 is used as motor running, and motor supplements the insufficient shaft power of the hydraulic turbine 4 and provides Efficient water pump 13.

Claims (9)

1. intelligent water energy repetend electric system, which is characterized in that by intelligent controlling device, hydraulic turbine bypass, Efficient water pump bypass Composition, hydraulic turbine bypass by the hydraulic turbine (4) and its first inlet pipeline (9) the 1st valve (10), on the 1st outlet pipeline 6 2nd valve (5) composition, intelligent controlling device is by several sensors, electrically operated valve, Intelligent control cabinet (1), hydraulic station (2), relay Device (3) composition, Efficient water pump bypass by Efficient water pump (13) and its 2nd inlet pipeline (19) the 3rd valve (20), the 2nd go out The 4th valve (12) in water lines (14), asynchronous machine (17) composition with Efficient water pump (13) transmission connection, the 1st outlet pipe Road (6), the 1st inlet pipeline (9) are connect with the water return pipeline of system (8) respectively, have the 5th valve (7) between two tie points, efficiently One end axis of water pump (13) is connect with the axis of the hydraulic turbine (4) by the 1st shaft coupling (11), and other end axis and asynchronous machine (17) are logical The connection of the 2nd shaft coupling (18) is crossed, or coaxially is directly connected to, the in Efficient water pump (13) bypass and system water supply pipeline (15) 1 water pump (16) parallel running, the inlet and outlet of Efficient water pump (13) have the 3rd valve (20), the 4th valve (12), the 1st water pump respectively (16) inlet and outlet have the 6th valve (53), the 7th valve (54) respectively, and intelligent controlling device passes through hydraulic station (2), servomotor (3) water distributor (52) or Kaplan mechanism (300) that control the hydraulic turbine (4) adjust the flow of the hydraulic turbine, on water return pipeline (8) 1st temperature sensor, the 1st pressure sensor and flow sensor are installed, the 2nd temperature sensing is installed on water supply pipe (15) Device installs the 3rd temperature sensor on the bearing block of the hydraulic turbine (4), installs displacement sensor on the servomotor (3) of the hydraulic turbine (50) displacement of the piston (51) of servomotor is detected, sensor acquires return water, the related parameter of water supply pipe is supplied to intelligent control The PLC programmable controller of cabinet (1) processed, the real time temperature of the water return pipeline that programmable controller is acquired according to sensor, pressure, The variation of the temperature of flow and water supply pipe, with water system require parameter setting value compared with, in these parameters one A when exceeding setting value, programmable controller adjusts the flow and water supply pipe water pump of the hydraulic turbine by hydraulic station, servomotor Flow is returned to the parameter in range of set value.
2. intelligence water energy repetend electric system according to claim 1, which is characterized in that asynchronous machine (17), which uses, to be had The asynchronous machine of two kinds of functions of generator and motor, when the power surplus of return water is larger, the hydraulic turbine (4) is supplied to Efficient water pump (13) when shaft power is greater than the shaft power that Efficient water pump needs, asynchronous machine is run as generator, and Efficient water pump will be extra Shaft power be supplied to asynchronous machine reverse power generation supply power grid, when the power surplus of return water is smaller, the hydraulic turbine is supplied to efficiently When the shaft power of water pump is less than the shaft power that Efficient water pump needs, it is insufficient to supplement the hydraulic turbine as motor running for asynchronous machine Shaft power be supplied to Efficient water pump.
3. intelligence water energy repetend electric system according to claim 1 or 2, which is characterized in that the hydraulic turbine (4) is mixed-flow The hydraulic turbine, all valves use power type, when the hydraulic turbine or Efficient water pump are faulty or when needing to overhaul, intelligent controlling device control Return water is automatically switched to water return pipeline (8) return water from hydraulic turbine bypass by system, and Efficient water pump bypass is supplied water and automatically switches to confession 1st water pump (16) of water lines (15) supplies water, and guaranteeing to supply water operates normally, when the 3rd temperature sensor on hydrodynamic bearing seat When detecting that bearing temperature is more than the alarming value of setting, programmable controller controls alarm equipment alarm, when on hydrodynamic bearing seat Third temperature sensor when detecting that bearing temperature reaches the accidental shutdown value of setting, programmable controller controls the 3rd valve (20) it is closed with the 4th valve (12), while controlling the 6th valve (53) of the 1st water pump (16) import on water supply pipe (15) and going out Mouthful the 7th valve (54) open, Efficient water pump water supply is switched to the 1st water pump and is supplied water, the on water return pipeline (8) is then controlled 5 valves (7) are opened, while the 1st valve (10) and the 2nd valve (5) being closed, and make return water from the hydraulic turbine bypass changeover to return pipe Then road (8) return water carries out trouble shooting exclusion to the hydraulic turbine, overhauls to the hydraulic turbine, after the hydraulic turbine is normal, programmable control Device processed controls the 3rd valve (20) and the 4th valve (12) is opened, while controlling the 1st water pump (16) import on water supply pipe (15) 6th valve (53) and the 7th valve (54) of outlet are closed, and the water supply of the 1st water pump (16) is switched to Efficient water pump (13) and is supplied water, so The 5th valve (7) controlled on water return pipeline (8) afterwards is closed, while the 1st valve (10) and the 2nd valve (5) being opened, and makes return water Hydraulic turbine bypass return water is switched to from water return pipeline (8).
4. intelligence water energy repetend electric system according to claim 1 or 2, which is characterized in that in water supply handoff procedure, The pressure of return water numerical value that programmable controller is detected according to pressure sensor, the speed of control valve switch, switches supplying water During supplying water for the 1st water pump (16), when water return pipeline pressure is more than normal pressure of return water setting value, reduce the 6th valve (53) and the 1st water pump (16) outlet the 7th valve (54) opening speed, or pause open, arrived to water return pipeline pressure recovery Switch valve restores original state again when normal pressure of return water setting value, conversely, being switched to the water supply of the 1st water pump (16) in water supply In the process, when pressure of return water is lower than normal pressure of return water setting value, reduce the closing speed of the 3rd valve (20) and the 4th valve (12) Degree, or pause are closed, and switch valve restores original state again when pressure of return water is returned to normal pressure of return water setting value.
5. intelligence water energy repetend electric system according to claim 1, which is characterized in that in parallel in water supply pipe (15) Several water pumps install the 2nd temperature sensor and the 2nd pressure sensor, Efficient water pump (13), the 1st water on water supply pipe (15) Pump (16), the 2nd water pump (161), the 3rd water pump (162) are parallel to water supply pipe (15), and the inlet and outlet of the 2nd water pump have the 8th valve respectively Door (55), the 9th valve (56), the inlet and outlet of the 3rd water pump have the 10th valve (57), the 11st valve (58) respectively, and all valves are adopted With power type, the hydraulic turbine (4) is that rear axle stretches through-flow kaplan type turbine, and the servomotor of intelligent controlling device is directly designed in water wheels Inside the web (302) of machine 4, Intelligent control cabinet is by hydraulic station (2), then passes through the servomotor inside web (302) (3), blade (301) rotation for directly controlling Kaplan mechanism (300) the driving hydraulic turbine of the hydraulic turbine, to adjust the stream of the hydraulic turbine Amount, when the intelligent water energy repetend electric system works, at least one pass in the 1st water pump (16), the 2nd water pump and the 3rd water pump Spare, the more water pumps unlatching including Efficient water pump (13), valve (21) closing are closed, return water walks hydraulic turbine bypass.
6. intelligence water energy repetend electric system according to claim 5, which is characterized in that the related parameter of sensor acquisition Be supplied to the PLC programmable controller of Intelligent control cabinet, real time temperature that programmable controller is acquired according to sensor, pressure, The variation of flow, compared with the setting value of the parameter required according to water system, when one of them of these parameters is beyond setting When value, programmable controller pushes Kaplan mechanism (300) movement of the hydraulic turbine by hydraulic station and servomotor, makes the hydraulic turbine Blade (301) rotation, adjusts the flow of the hydraulic turbine and the flow of water system, is returned to the parameter in range of set value, adjusts During section, displacement sensor (50) detects the shift value of the piston (51) of servomotor, is supplied to programmable controller progress Operation adjusts flow more acurrate, thus, meeting the water supply of water system at least must flow.
7. intelligence water energy repetend electric system according to claim 5, which is characterized in that when the on hydrodynamic bearing seat When 3 temperature sensors detect that bearing temperature is more than the alarming value of setting, programmable controller controls alarm equipment alarm;Work as water wheels When the 3rd temperature sensor on machine bearing seat detects that bearing temperature is more than the accidental shutdown value of setting, programmable controller control System opens the valve of a spare water pump and its inlet and outlet, while the 3rd valve (20) of control and the 4th valve (12) are closed, will Efficient water pump (13), which supplies water, is switched to a spare water pump water supply, and the 12nd valve (21) for then controlling water return pipeline (8) is opened It opens, while the 1st valve (10) and the 2nd valve (5) being closed, make return water (8) return water from the hydraulic turbine bypass changeover to water return pipeline, The hydraulic turbine and Efficient water pump are out of service, then can carry out trouble shooting exclusion to the hydraulic turbine, can be to the hydraulic turbine and height Effect water pump is overhauled, and after the hydraulic turbine is normal, and can be switched to Efficient water pump (13) and be supplied water and hydraulic turbine bypass return water.
8. intelligence water energy repetend electric system according to claim 5, which is characterized in that programmable controller is according to displacement The displaced position of the piston (51) of sensor (50) detection or the data on flows of flow sensor detection, determine hydraulic turbine discharge, The number of units of parallel connection pump is opened in the switch of control valve, control, and the water supply of water system is made to meet the stream of system needs Amount.
9. intelligent water energy repetend electric system according to claim 1 or 5, which is characterized in that hydraulic station (2) is to include oil The hydraulic station of pump and three position four-way electromagnetic valve.
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