CN104214819A - Fully automatic constant-temperature and constant-pressure water supply system - Google Patents
Fully automatic constant-temperature and constant-pressure water supply system Download PDFInfo
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Abstract
The invention provides a fully automatic constant-temperature and constant-pressure water supply system, which comprises a cold water system, a heating system and a constant-temperature system, wherein the cold water system comprises a cold water tank LSX connected with a domestic water pipe, a water inlet of the cold water tank LSX is provided with a water inlet valve, the cold water tank LSX is respectively connected with a first cold water pump LSB1, a second cold water pump LSB2 and a third cold water pump LSB3 through three branches, the first cold water pump LSB1 and the second cold water pump LSB2 are respectively connected with a first diaphragm air pressure tank QYG1 through pipelines via a first cold water check valve LZF1 and a second cold water check valve LZF2, the first diaphragm air pressure tank QYG1 is connected with a first remote transmission pressure meter YCP1 through a pipeline, the heating system comprises a water heating tank JRSX connected with the third cold water pump LSB3, and the water heating tank JRSX is provided with a first stirring machine JBJ1. The system provided by the invention is economic and reasonable, the operation is reliable, simplicity and convenience are realized, the anti-jamming capability is high, the sensitivity is high, the volume is adjustable, the functions can be increased or decreased, and the system adapts to various environments.
Description
Technical field
A kind of fully-automatic thermostatic constant pressure water supply system of the present invention, is applicable to various water supply place.
Background technology
Current, public place, factory, scientific research, the water supply such as residential block, many employings plain mode adds water to water storage box, heating, cold water or hot water forced feed is taken out with water pump, although part place have employed PLC, the sophisticated equipments such as converter plant control the water yield, water temperature, hydraulic pressure, but because each equipment coupling is unreasonable, mode is incorrect, mutual harmony, anti-interference is poor, sensitivity is low, not only cause construction investment large, operating cost is high, also there is hydraulic pressure suddenly big or suddenly small, temperature is fluctuated, spray water sometimes hot and sometimes cold, equipment stops suddenly, operation energy consumption is high, scale capacity is limited to, the critical defect that maintenance capacity is large.
Along with improving constantly of living standards of the people, all trades and professions scale and field constantly expand, and scientific research field is deeply more next, and the requirement of supplying water to constant temperature and pressure is more and more higher, and place gets more and more.As: middle and high end hotel guest-room use every day water concentrates on several period, because guest uses the water time, size, the custom of water temperature and operation water equipment there are differences, under the transmission of waterpower, produce interference each other, cause cold water pipe and hot-water line overpressure fluctuating range greatly, guest water temperature and injection flow rate when taking a shower change, short time ejection cold water or the too high water of temperature sometimes, causes that guest is injured, complaint etc.And for example food processing factory, the fields such as chemical plant supply water stability to constant temperature, constant voltage, constant in process of production, and reliability requirement is higher, otherwise product quality will be affected, immeasurable loss will be produced, realize the stable constant temperature and pressure that continues reliably as seen and supply water very important.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of fully-automatic thermostatic constant pressure water supply system, comprising chilled water system, heating system, heat-exchange system, hot-water heating system.This systematic economy is reasonable, reliable, simple and convenient, strong interference immunity, highly sensitive, capacity is changeable, function can increase can subtract, suitable various environment.
The technical scheme that the present invention takes is: a kind of fully-automatic thermostatic constant pressure water supply system, comprises chilled water system, heating system, constant temperature system; Described chilled water system comprises the cold water storage cistern LSX connecting life water pipe J, the water inlet of cold water storage cistern LSX is provided with inlet valve, described cold water storage cistern LSX is connected respectively by three branch roads: the first water supply pump LSB1, the second water supply pump LSB2, the 3rd water supply pump LSB3, first water supply pump LSB1, the second water supply pump LSB2 connect the first diaphragm air pressure tank QYG1 respectively by the first cold water check-valves LZF1, the second cold water check-valves LZF2 by pipeline, and the first diaphragm air pressure tank QYG1 connects the first distance-transmission pressure gauge YCP1 by pipeline.
Described heating system comprises the heating water tank JRSX of connection the 3rd water supply pump LSB3, and heating water tank JRSX is provided with the first mixer JBJ1, and described heating water tank JRSX connects heat-exchanger pump by hot water butterfly valve, and heat-exchanger pump connects hot-water check valve;
Described heating system connects vapour source heating system R1 by condensate pipe N, and heating system connects air source heat pump system R2 by hot-water line RJ.
Described constant temperature system comprises the constant temperature water tank HRSX connecting hot-water line RJ and heating water tank JRSX, constant temperature water tank HRSX is provided with the second mixer JBJ2, constant temperature water tank HRSX connects heat-exchanger pump by hot water butterfly valve, and this heat-exchanger pump connects constant temperature water tank HRSX by hot-water line RJ.
Constant temperature water tank HRSX connects the second diaphragm air pressure tank QYG2, the second distance-transmission pressure gauge YCP2 by hot water butterfly valve, heat-exchanger pump.
Described inlet valve is remote control float valve YKF or magnetic valve.
Three branch roads of described chilled water system and pipeline are equipped with cold water butterfly valve.
The cold water storage cistern LSX of described chilled water system is provided with the first liquid-level switch W1.
Described vapour source heating system R1 comprises the first heat exchanger RJHQ1, the second heat exchanger RJHQ2, and the first heat exchanger RJHQ1, the second heat exchanger RJHQ2 connect steam pipe Z respectively by steam electromagnetic valve, steam valve.
Described air source heat pump system R2 comprises air source heat pump KQYRB, and air source heat pump KQYRB connects hot-water line RJ by multiple hot water butterfly valve.
The heating water tank JRSX of described heating system is provided with the second liquid-level switch W2, the 3rd liquid-level switch W3, heating water tank JRSX are provided with the first digital thermometer T1, the second digital thermometer T2.
The constant temperature water tank HRSX of described constant temperature system is provided with the 4th liquid-level switch W4, the 5th liquid-level switch W5, constant temperature water tank HRSX are provided with the 3rd digital thermometer T3, the 4th digital thermometer T4.
A kind of fully-automatic thermostatic constant pressure water supply system of the present invention, technique effect is as follows:
1), according to carrying out three different water storage devices of configuration capacity by the difference of water scale, can configure the water supply pump of different capabilities, heat-exchanger pump, valve and pipeline, the converter plant etc. of configuration different capabilities meets the water demand of different scales.
2) different modes such as, thermal source can adopt air source heat pump, coal burning boiler, electric boiler solve, and the preferential air source heat pump mode that adopts more can reduce power consumption.
3), the variable signal such as temperature of the present invention, pressure, flow, liquid level processes through PID controller, and flow process, after PLC Programmed control, makes whole system automatic synchronization run, and reaches reliable and stable constant temperature and pressure water supply effect with this.
4), the present invention is suitable for all places needing constant temperature or constant pressure water supply such as hospital, school, airport, market, residential block, villa, hotel, Saunas, scientific research, factory, farm, particularly higher to constant temperature and pressure water supply requirement to high-grade hotel, factory, scientific research etc. place.
5), the present invention can according to user's needs, and cold/heat supply water water pump adopts multiple stage mode, runs in increasing or decreasing mode.
6), the present invention can need only to realize constant pressure water supply part according to user, i.e. chilled water system part.
7), the present invention can need only to realize constant temperature and pressure heat supply part according to user, i.e. heating system and heating system.
8), automation function can according to user need increase and decrease, there is versatility; Can need to realize long-distance according to user to monitor in real time.
Accompanying drawing explanation
Fig. 1 is that present system connects block diagram;
Fig. 2 is present system electric control theory figure;
Fig. 3 is present system embodiment circuit diagram.
Detailed description of the invention
A kind of fully-automatic thermostatic constant pressure water supply system, comprises chilled water system, heating system, constant temperature system; Described chilled water system comprises the cold water storage cistern LSX connecting life water pipe J, the water inlet of cold water storage cistern LSX is provided with inlet valve, described cold water storage cistern LSX is connected respectively by three branch roads: the first water supply pump LSB1, the second water supply pump LSB2, the 3rd water supply pump LSB3, first water supply pump LSB1, the second water supply pump LSB2 connect the first diaphragm air pressure tank QYG1 respectively by the first cold water check-valves LZF1, the second cold water check-valves LZF2 by pipeline, and the first diaphragm air pressure tank QYG1 connects the first distance-transmission pressure gauge YCP1 by pipeline.Described inlet valve is remote control float valve YKF or magnetic valve.Three branch roads of described chilled water system and pipeline are equipped with cold water butterfly valve.The cold water storage cistern LSX of described chilled water system is provided with the first liquid-level switch W1.
Described heating system comprises the heating water tank JRSX of connection the 3rd water supply pump LSB3, and heating water tank JRSX is provided with the first mixer JBJ1, and described heating water tank JRSX connects heat-exchanger pump by hot water butterfly valve, and heat-exchanger pump connects hot-water check valve.Described heating system connects vapour source heating system R1 by condensate pipe N, and heating system connects air source heat pump system R2 by hot-water line RJ.Described vapour source heating system R1 comprises the first heat exchanger RJHQ1, the second heat exchanger RJHQ2, and the first heat exchanger RJHQ1, the second heat exchanger RJHQ2 connect steam pipe Z respectively by steam electromagnetic valve, steam valve.Described air source heat pump system R2 comprises air source heat pump KQYRB, and air source heat pump KQYRB connects hot-water line RJ by multiple hot water butterfly valve.The heating water tank JRSX of described heating system is provided with the second liquid-level switch W2, the 3rd liquid-level switch W3, heating water tank JRSX are provided with the first digital thermometer T1, the second digital thermometer T2.
Described constant temperature system comprises the constant temperature water tank HRSX connecting hot-water line RJ and heating water tank JRSX, constant temperature water tank HRSX is provided with the second mixer JBJ2, constant temperature water tank HRSX connects heat-exchanger pump by hot water butterfly valve, and this heat-exchanger pump connects constant temperature water tank HRSX by hot-water line RJ.Constant temperature water tank HRSX connects the second diaphragm air pressure tank QYG2, the second distance-transmission pressure gauge YCP2 by hot water butterfly valve, heat-exchanger pump.The constant temperature water tank HRSX of described constant temperature system is provided with the 4th liquid-level switch W4, the 5th liquid-level switch W5, constant temperature water tank HRSX are provided with the 3rd digital thermometer T3, the 4th digital thermometer T4.
Embodiment:
As shown in Figure 3, parts comprise: cold water storage cistern LSX, heating water tank JRSX, constant temperature water tank HRSX, remote control float valve YKF, cold water butterfly valve LFM1-7, first cold water check-valves LZF1, second cold water check-valves LZF2, first water supply pump LSB1, second water supply pump LSB2, 3rd water supply pump LSB3, first distance-transmission pressure gauge YCP1, second distance-transmission pressure gauge YCP2, first mixer JBJ1, second mixer JBJ2, hot water butterfly valve RFM1-17, heat-exchanger pump RSB1-6, hot-water check valve RZF1-4, backwater control valve RLF1-N, steam valve ZFM1-9, steam electromagnetic valve ZDF1-2, first heat exchanger RJHQ1, second heat exchanger RJHQ2, digital thermometer T1-4, liquid-level switch W1-5, steam pipe Z, hot-water line RJ, condensate pipe N, life water pipe J, first diaphragm air pressure tank QYG1, second diaphragm air pressure tank QYG2, relief valve XYF1-2, hot water butterfly valve RFM1-N, air source heat pump KQYRB.
Vapour source heating system R1; Air source heat pump system R2.
1. the chilled water system method of operation:
1.1, urban water supply is caused near cold water storage cistern LSX, when pressure is greater than 0.07mpa, water inlet is paid the utmost attention to installation waterpower and is shaken control ball-cock assembly, otherwise magnetic valve need be installed, the modes such as liquid-level switch gather water level signal to control this magnetic valve, ball float all should be arranged on cold water storage cistern LSX topmost by two kinds of modes, with close completely cold water storage cistern LSX not spilling water be advisable.
1.2, in cold water storage cistern LSX bottom, higher than water pump intake upper position, the first liquid-level switch W1 is installed, when water level is lower than the first liquid-level switch W1 setting value, the too low sound and light alarm of switch motion cold water storage cistern water level starts, lock the first water supply pump LSB1, the second water supply pump LSB2, the first water supply pump LSB1, the 3rd water supply pump LSB3 are in halted state simultaneously; When higher than the first liquid-level switch W1 setting value, automatically terminate above-mentioned locking and warning.
1.3, when water level is lower than the first liquid-level switch W1 lower limit set value, the first water supply pump LSB1, the second water supply pump LSB2 are in locking state; When water level is higher than the first liquid-level switch W1 upper limit set value, the first water supply pump LSB1, the second water supply pump LSB2 enter duty; When the first distance-transmission pressure gauge YCP1 pressure is greater than setting value, the first water supply pump LSB1, the second water supply pump LSB2 are in not eye state (stopping); When the first distance-transmission pressure gauge YCP1 pressure is less than setting value, first water supply pump LSB1, the second water supply pump LSB2 water pump are with conversion system startup optimization, its rotating speed changes according to pressure signal change, when the first distance-transmission pressure gauge YCP1 pressure is to when subtracting direction motion, pump motor rotating speed increases and increases water pump carrying capacity stable water supply system pressure, when the first distance-transmission pressure gauge YCP1 pressure is to the motion of increasing direction, pump motor rotating speed reduces and reduces water pump carrying capacity and carry out stable hydraulic pressure.
1.4, when the first distance-transmission pressure gauge YCP1 pressure exceedes upper limit set value, the too high sound and light alarm of hydraulic pressure starts, and pressure release opened by relief valve XYF1 safety valve, guarantees that water system is not impaired because of overvoltage; When the first distance-transmission pressure gauge YCP1 pressure returns, automatically terminate sound and light alarm and close relief valve XYF1.
2. the heating system method of operation:
2.1, when water level is lower than the second liquid-level switch W2 lower limit set value, the 3rd water supply pump LSB3 starts, and draws water to heating water tank JRSX from cold water storage cistern LSX; When water level is higher than the second liquid-level switch W2 upper limit set value, the 3rd water supply pump LSB3 stops moisturizing, and now water level reaches the upper limit.The second liquid-level switch W2 upper limit, lower limit set realize each quantitative water compensating of the 3rd water supply pump LSB3, and add boiler JRSX volume about 1/7 is advisable at every turn.
2.2, when water temperature is lower than T1 lower limit set value, start heat-exchanger pump RSB2, heat-exchanger pump RSB3, open steam electromagnetic valve ZDF1-2, the first heat exchanger RJHQ1, the second heat exchanger RJHQ2 start heat exchange simultaneously; Or start air source heat pump system R2 heat exchange.When T1 water temperature reaches upper limit set value, stop RSB2 (RSB3) water pump, the heat-exchange systems such as steam off magnetic valve ZDF1, make it be in hot stand-by duty.The T1 upper limit, the lower limit set temperature difference are about 1-2 degree, find optimum setting value in can debugging at the scene.
2.3, work as T1, when the T2 temperature difference reaches setting value, start the first mixer JBJ1 and water is stirred, stop stirring when making the water temperature (setting value) in water tank consistent.
2.4, in heating water tank JRSX bottom, higher than water pump intake upper position, the 3rd liquid-level switch W3 is installed, when water level is lower than the 3rd liquid-level switch W3 lower limit set value, the too low sound and light alarm of heating water tank JRSX water level starts, lock heat-exchanger pump RSB1-3, the first mixer JBJ1 is in halted state simultaneously.During higher than the 3rd liquid-level switch W3 upper limit set value, remove above-mentioned locking and warning.
3. the hot-water heating system method of operation:
3.1, when water level is lower than the 4th liquid-level switch W4 lower limit set value, locking water supply pump LSB3, in halted state, starts heat-exchanger pump RSB1, draws water to constant temperature water tank HRSX from heating water tank JRSX; When water level is higher than the 4th liquid-level switch W4 upper limit set value, heat-exchanger pump RSB1 stops moisturizing, removes water supply pump LSB3 locking simultaneously, returns to normal condition.Reasonable set the 4th liquid-level switch W4 upper limit, lower limit set value, realizes heating water tank JRSX to constant temperature water tank HRSX quantitative water compensating, about 1/5 of each benefit constant temperature water tank HRSX volume.
3.2, in constant temperature water tank HRSX bottom, higher than water pump intake upper position, the 5th liquid-level switch W5 is installed, when water level is lower than the 5th liquid-level switch W5 lower limit set value, the too low sound and light alarm of constant temperature water tank HRSX water level starts, locking heat-exchanger pump RSB4, heat-exchanger pump RSB5, heat-exchanger pump RSB6, the second mixer JBJ2 is in halted state.During higher than W5 upper limit set value, remove above-mentioned locking and warning.
3.3, when water level is lower than the 5th liquid-level switch W5 lower limit set value, heat-exchanger pump RSB5, heat-exchanger pump RSB6 are in state out of service, stop water delivery; When water level is higher than the 5th liquid-level switch W5 upper limit set value, heat-exchanger pump RSB5, heat-exchanger pump RSB6 water pump enter duty; When the second distance-transmission pressure gauge YCP2 pressure is less than setting value, heat-exchanger pump RSB5, heat-exchanger pump RSB6 run with conversion system, its rotating speed changes according to pressure signal change, when the second distance-transmission pressure gauge YCP2 pressure is to when subtracting direction motion, pump motor rotating speed increases and increases water pump carrying capacity stable water supply system pressure, when the second distance-transmission pressure gauge YCP2 pressure is to the motion of increasing direction, pump motor rotating speed reduces and reduces water pump carrying capacity and carry out stable hydraulic pressure.
3.4, when the second distance-transmission pressure gauge YCP2 pressure exceedes in limited time, constant temperature water supply hypertonia sound and light alarm starts, and relief valve XYF2 opens pressure release, guarantees that water system is not impaired because of overvoltage; When the second distance-transmission pressure gauge YCP2 pressure returns, automatically terminate sound and light alarm simultaneously and close relief valve XYF2.
3.5, work as T3, when the T4 temperature difference reaches setting value, start the second mixer JBJ2 and water is stirred, stop stirring after the water temperature (setting value) in water tank is consistent.
3.6, T3 is worked as, T4 temperature is simultaneously lower than setting value, 4th liquid-level switch W4 prescribes a time limit higher than lower, start heat-exchanger pump RSB4 and the water in constant temperature water tank HRSX is inputed to heating water tank JRSX, start heat-exchanger pump RSB1 simultaneously and the water of heating water tank JRSX is inputed to constant temperature water tank HRSX, until when constant temperature water tank HRSX water temperature reaches setting value, heat-exchanger pump RSB4, heat-exchanger pump RSB1 stops simultaneously; When the 4th liquid-level switch W4 upper limit action, heat-exchanger pump RSB1 will suspend, and restart when the 4th liquid-level switch W4 upper limit action returns; When the second liquid-level switch W2 upper limit action, heat-exchanger pump RSB4 will suspend, and restart when the second liquid-level switch W2 upper limit action returns, with anti-overflow.
4. other accessory system:
4.1, water supply pump LSB1, water supply pump LSB2, heat-exchanger pump RSB5, heat-exchanger pump RSB6, steam electromagnetic valve ZDF1-2, first heat exchanger RJHQ1, the second heat exchanger RJHQ2 are that a master one is standby, automated periodic rotation runs, if a wherein warning of breaking down, system will automatically switch to another and run, until Failure elimination.
4.2, native system pressure signal, water level signal, temperature signal etc., reaches PID by Automation Elements collection, in PLC, is controlling executive component by PID, PLC, is reaching whole system automatic synchronization run with this.Various parameter optimum setting, can be revised by man-machine interface in trial run, finds the data of this covering device feature applicable in this way.
4.3, each cellular system has stopping, manually, automatically, now controls handoff functionality with a distant place.Under-voltage protection, overvoltage protection, overload protection, short-circuit protection, open-phase protection, ground protection, stall prevent.Connected with monitoring night shift room computer by RS-485 or RS-232 communication, remote real time monitoring can be realized and control this device.
If 4.4 late into the night with hot water amount very little or without water time, for guaranteeing that heat supplying loop can play insulation effect, a little pump can be installed in parallel on heat-exchanger pump RSB5, heat-exchanger pump RSB6 side, when less for heat flow (reaching setting value), start little pump and maintain this system insulation backwater proper flow, heat-exchanger pump RSB5, heat-exchanger pump RSB6 enter not eye state (stopping); When water consumption increases, YCP2 pressure reduces suddenly, and now system is waken up automatically, and heat-exchanger pump RSB5, heat-exchanger pump RSB6 water pump enter duty, stop little pump simultaneously.
4.5, when day part water consumption great disparity is larger, can adopt and comparatively multiple stage water pump is installed, chase water consumption in the mode of increasing or decreasing.Increase progressively pump from conversion system excessively to routine, and have variable frequency pump all the time in operation, do not pass through excessively when subtracting pump.
4.6, heat-exchange system thermal source according to actual environment, can select steam mode, air source heat pump mode or electric boiler mode etc., and to reach energy-saving and cost-reducing object, making suitably amendment to electrical control program can be compatible.
4.7, the backwater control valve RLF1-N in heat supply water pipe, for regulating the size of each branch road backwater amount, makes each branch road reach the effect of insulation balance.
4.8, when may there be impurity at cold water storage cistern LSX water inlet water source, should shake control float valve front end mounting filter in waterpower, the equipment that affects normally runs to avoid foreign material to enter in valve, water tank.
4.9, for reaching energy-saving effect, when conditions permit, this complete equipment is paid the utmost attention to and is arranged on roof or be advisable in the position higher than Water District territory.
4.10, all valves, pipeline, circuit, cable and Automation Elements etc., connect and installation must reach corresponding code requirement, and be flexible coupling as installed in pipeline, heating system and constant temperature water supply system all devices all should take the permanent warming measure of specification.
4.11, when cold water storage cistern LSX water inlet water source can not flow to water tank certainly, pumping for water pump should be equipped with and solve, still include this electric control system in and control.
4.12, native system all devices amount of capacity, head, water yield size, water temperature, water level, hydraulic pressure height should be equipped with and set needed for user's reality, if desired also can in trial run process, the controling parameters that above aspect sets suitably is adjusted, therefrom find the operational factor under this project environment the most applicable, make the phase reach the most rational correlated state.Three water tank volumes should adopt the proportionate relationship of cold water storage cistern LSX, heating water tank JRSX, constant temperature water tank HRSX:1:2:3, and namely capacity is respectively cold water storage cistern LSX:1 ton, heating water tank JRSX:2 ton, constant temperature water tank HRSX: 3 tons; Or cold water storage cistern LSX:10 ton, heating water tank JRSX: 20 tons, constant temperature water tank HRSX: 30 tons.Not only can investment reduction, reduce floor space, be also conducive to realizing quantitative water compensating.
4.13, hot water butterfly valve RFM7 is closed condition under normal circumstances, under heat-exchanger pump RSB1 abnormal conditions, manually can open hot water butterfly valve RFM7 temporarily and discharge water to constant temperature water tank HRSX.
4.14, according to the difference of water supply scale or mode; can for waiting position to install the first diaphragm air pressure tank QYG1, the second diaphragm air pressure tank QYG2 of suitable capacity respectively in the middle part of cold water and supplying hot water branch road, so that the impulsive force of pipe interior generation when absorbing unexpected valve-off in water utilizing process.
Claims (9)
1. a fully-automatic thermostatic constant pressure water supply system, comprises chilled water system, heating system, constant temperature system, it is characterized in that, described chilled water system comprises the cold water storage cistern (LSX) connecting life water pipe (J), the water inlet of cold water storage cistern (LSX) is provided with inlet valve, described cold water storage cistern (LSX) is connected respectively by three branch roads: the first water supply pump (LSB1), second water supply pump (LSB2), 3rd water supply pump (LSB3), first water supply pump (LSB1), second water supply pump (LSB2) is respectively by the first cold water check-valves (LZF1), second cold water check-valves (LZF2) connects the first diaphragm air pressure tank (QYG1) by pipeline, first diaphragm air pressure tank (QYG1) connects the first distance-transmission pressure gauge (YCP1) by pipeline, described heating system comprises the heating water tank (JRSX) of connection the 3rd water supply pump (LSB3), heating water tank (JRSX) is provided with the first mixer (JBJ1), described heating water tank (JRSX) connects heat-exchanger pump by hot water butterfly valve, and heat-exchanger pump connects hot-water check valve, described heating system connects vapour source heating system (R1) by condensate pipe (N), and heating system connects air source heat pump system (R2) by hot-water line (RJ), described constant temperature system comprises the constant temperature water tank (HRSX) connecting hot-water line (RJ) and heating water tank (JRSX), constant temperature water tank (HRSX) is provided with the second mixer (JBJ2), constant temperature water tank (HRSX) connects heat-exchanger pump by hot water butterfly valve, and this heat-exchanger pump connects constant temperature water tank (HRSX) by hot-water line (RJ),
Constant temperature water tank (HRSX) connects the second diaphragm air pressure tank (QYG2), the second distance-transmission pressure gauge (YCP2) by hot water butterfly valve, heat-exchanger pump.
2. a kind of fully-automatic thermostatic constant pressure water supply system according to claim 1, it is characterized in that, described inlet valve is remote control float valve (YKF) or magnetic valve.
3. a kind of fully-automatic thermostatic constant pressure water supply system according to claim 1, is characterized in that, three branch roads of described chilled water system and pipeline are equipped with cold water butterfly valve.
4. a kind of fully-automatic thermostatic constant pressure water supply system according to claim 1, it is characterized in that, the cold water storage cistern (LSX) of described chilled water system is provided with the first liquid-level switch (W1).
5. a kind of fully-automatic thermostatic constant pressure water supply system according to claim 1, it is characterized in that, described vapour source heating system (R1) comprises the first heat exchanger (RJHQ1), the second heat exchanger (RJHQ2), and the first heat exchanger (RJHQ1), the second heat exchanger (RJHQ2) connect steam pipe (Z) respectively by steam electromagnetic valve, steam valve.
6. a kind of fully-automatic thermostatic constant pressure water supply system according to claim 1, it is characterized in that, described air source heat pump system (R2) comprises air source heat pump (KQYRB), and air source heat pump (KQYRB) connects hot-water line (RJ) by multiple hot water butterfly valve.
7. a kind of fully-automatic thermostatic constant pressure water supply system according to claim 1, it is characterized in that, the heating water tank (JRSX) of described heating system is provided with the second liquid-level switch (W2), the 3rd liquid-level switch (W3), and heating water tank (JRSX) is provided with the first digital thermometer (T1), the second digital thermometer (T2).
8. a kind of fully-automatic thermostatic constant pressure water supply system according to claim 1, it is characterized in that, the constant temperature water tank (HRSX) of described constant temperature system is provided with the 4th liquid-level switch (W4), the 5th liquid-level switch (W5), and constant temperature water tank (HRSX) is provided with the 3rd digital thermometer (T3), the 4th digital thermometer (T4).
9. adopt the method for supplying water as claim 1 ~ 8 any one fully-automatic thermostatic constant pressure water supply system, it is characterized in that, can according to carrying out three different water storage devices of configuration capacity by the difference of water scale: cold water storage cistern (LSX), heating water tank (JRSX), constant temperature water tank (HRSX), the water supply pump of configuration different capabilities, heat-exchanger pump, valve and pipeline, the converter plant etc. of configuration different capabilities meets the water demand of different scales; Thermal source can adopt air source heat pump, coal burning boiler, the different modes such as electric boiler; The variable signal such as temperature, pressure, flow, liquid level process through PID controller, and flow process, after PLC Programmed control, makes whole system automatic synchronization run, and reach reliable and stable constant temperature and pressure and supply water.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104864265A (en) * | 2015-05-04 | 2015-08-26 | 西京学院 | Double-pipe hot water constant temperature and constant pressure supply control system in public bathroom |
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| CN104864265A (en) * | 2015-05-04 | 2015-08-26 | 西京学院 | Double-pipe hot water constant temperature and constant pressure supply control system in public bathroom |
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| CN105759601B (en) * | 2016-02-23 | 2019-02-15 | 杭州福斯达深冷装备股份有限公司 | Sequential control and adjusting method based on pid algorithm and queuing model |
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| CN110672179A (en) * | 2019-09-27 | 2020-01-10 | 珠海格力智能装备有限公司 | Boiler liquid level detection method and device, storage medium and control equipment |
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