CN108375193A - Step heats multi-model coupling layering water outlet classification throttling Teat pump boiler - Google Patents
Step heats multi-model coupling layering water outlet classification throttling Teat pump boiler Download PDFInfo
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- CN108375193A CN108375193A CN201810319977.8A CN201810319977A CN108375193A CN 108375193 A CN108375193 A CN 108375193A CN 201810319977 A CN201810319977 A CN 201810319977A CN 108375193 A CN108375193 A CN 108375193A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 305
- 230000008878 coupling Effects 0.000 title claims abstract description 14
- 238000010168 coupling process Methods 0.000 title claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 65
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000013517 stratification Methods 0.000 claims abstract description 10
- 230000008676 import Effects 0.000 claims description 137
- 238000007906 compression Methods 0.000 abstract description 11
- 230000006835 compression Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003507 refrigerant Substances 0.000 description 33
- 239000000203 mixture Substances 0.000 description 8
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000008236 heating water Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
A kind of step heating multi-model coupling layering water outlet classification throttling Teat pump boiler,Including evaporator,First compressor,First shut-off valve,Second shut-off valve,Second compressor,First expansion valve,Gas-liquid separator,Second expansion valve,Second condenser,First condenser,Water pump,Third shut-off valve,4th shut-off valve,5th shut-off valve,6th shut-off valve,7th shut-off valve,8th shut-off valve,9th shut-off valve,Tenth shut-off valve,Flow control valve,Water tank,First water mixing valve,Second water mixing valve,Third water mixing valve and the 11st shut-off valve,Switched by various modes using the heat pump cycle of two stages of compression two-stage throttle type and independent heating is carried out to multiple and different thermal stratification areas in water tank,By way of individually being heated to different set thermal stratification area under different coupled mode to the switching of different shut-off valves realization,By the way of fetching water from different temperatures demixing zone.Heat production efficiency of the present invention is higher.
Description
Technical field
The invention belongs to art of heat pumps, are related to a kind of Teat pump boiler.
Background technology
With the continuous development of society, environment and energy problem increasingly become focus of people's attention.Meanwhile life water
The continuous improvement of gentle quality of life also promotes people to have higher requirement to heating mode, this make efficiently, cleaning, it is energy saving
Air source heat pump increasingly liked by people and pursued.Gradual with market approve and the support of national policy,
Air source hot pump water heater obtained it is unprecedented extensive promote, user to water comfort level and energy saving special attention.However it passes
The less efficient several major reasons of the directly-heated type Teat pump boiler of system, which are that the heat transfer temperature difference between refrigerant and cold water is larger, to be led
It causes, is also restriction loss with caused by compressor loss, therefore Teat pump boiler also needs to consume a large amount of electric energy, and efficiency is also
It is not ideal enough, therefore it is an important improvement direction to improve its electrical efficiency.Existing Teat pump boiler can only heat the water to
Very high temperature is stored in water tank, and when user uses the hot water of lower temperature, the heat of very high temperature can only be released from water tank
Water could use after being mixed with cold water, this process can waste the available energy in hot waterIt is larger to generate
Entropy produces, and reduces the utilization rate of the energy, and with hot water temperature it is single can not quickly meet user to it is different with coolant-temperature gage the needs of；
And can start automatically when heat pump system detection water temperature reduces and circulating-heating is carried out to the water of entire water tank, this can cause the energy unrestrained
Expense and the hot water problem that cannot quickly supplement user's required temperature.However user generally has quickly with water and energy-efficient need
It asks, it is an important topic to improve heat pump heat production efficiency.
Invention content
Heat production in order to overcome the shortcomings of existing water heater is less efficient, and the present invention provides a kind of heat production efficiency is higher
Step heats multi-model coupling layering water outlet classification throttling Teat pump boiler.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of step heating multi-model coupling layering water outlet classification throttling Teat pump boiler, including evaporator, the first compression
Machine, the first shut-off valve, the second shut-off valve, the second compressor, the first expansion valve, gas-liquid separator, the second expansion valve, the second condensation
Device, the first condenser, water pump, third shut-off valve, the 4th shut-off valve, the 5th shut-off valve, the 6th shut-off valve, the 7th shut-off valve,
Eight shut-off valves, the 9th shut-off valve, the tenth shut-off valve, flow control valve, water tank, the first water mixing valve, the second water mixing valve, third mix water
Valve and the 11st shut-off valve；
The import of first compressor is connected with the outlet of evaporator, and the outlet of the first compressor ends with first respectively
The outlet of valve, the import of the second shut-off valve are connected with the first import of the first condenser；The import of evaporator and the first expansion valve
Outlet be connected；The outlet of second shut-off valve is connected with the import of the second compressor；The import of gas-liquid separator and the second expansion
The outlet of valve is connected, and the first outlet of gas-liquid separator is connected with the import of the first shut-off valve, the second outlet of gas-liquid separator
It is connected with the import of the first expansion valve；Second import of the first condenser is connected with the outlet of water pump, and the first of the first condenser
Outlet is connected with the import of the first expansion valve, and the second outlet of the first condenser is connected with the second import of the second condenser；The
First import of two condensers is connected with the outlet of the second compressor, the first outlet of the second condenser and the second expansion valve into
Mouth is connected, and the second outlet of the second condenser is connected with the import of the 5th shut-off valve and the import of the 6th shut-off valve respectively；Water pump
Import be connected respectively with the outlet of third shut-off valve and the outlet of flow control valve；The import of third shut-off valve is respectively with the tenth
The import of shut-off valve, the outlet of the 4th shut-off valve are connected with the outlet of the 9th shut-off valve；The import of 4th shut-off valve is respectively with
The import of eight shut-off valves, the outlet of the 5th shut-off valve are connected with the outlet of the 7th shut-off valve；First import of water tank with the 6th section
Only the outlet of valve is connected, and the second import of water tank is connected with the outlet of the 8th shut-off valve, the third import of water tank and the tenth cut-off
The outlet of valve is connected, and the 4th import of water tank is connected with the outlet of the 11st shut-off valve, the first outlet of water tank and the 7th cut-off
The import of valve is connected, and the second outlet of water tank is connected with the import of the 9th shut-off valve, the third outlet of water tank and flow control valve
Import be connected, water tank the 4th outlet be connected with the first import of the first water mixing valve, water tank the 5th export and the second mixed water
First import of valve is connected, and the 6th outlet of water tank is connected with the first import of third water mixing valve；The second of first water mixing valve into
Mouth is connected with cold water inlet, and the outlet of the first water mixing valve is the first hot water outlet；The second import and the cold water of second water mixing valve enter
Mouth is connected, and the outlet of the second water mixing valve is the second hot water outlet；Second import of third water mixing valve is connected with cold water inlet, third
The outlet of water mixing valve is third hot water outlet.
Further, first water mixing valve, the second water mixing valve and third water mixing valve carry flow sensor.
Further, the water heater further includes the first temperature sensor, second temperature sensor and third temperature sensing
Device, the first temperature sensor are located at the middle part of water tank high-temperature-hot-water demixing zone, and second temperature sensor is located at warm water in water tank
The middle part of demixing zone, third temperature sensor are located at the middle part in water tank low-temperature stratification area.
Further, the water heater further includes control system, and first water mixing valve, the second water mixing valve and third mix water
The flow sensor of valve, the first temperature sensor, second temperature sensor and third temperature sensor with the control system
Connection, the control system are ended with the first shut-off valve, the second shut-off valve, the first expansion valve, the second expansion valve, third respectively
Valve, the 4th shut-off valve, the 5th shut-off valve, the 6th shut-off valve, the 7th shut-off valve, the 8th shut-off valve, the 9th shut-off valve, the tenth cut-off
Valve, the 11st shut-off valve, flow control valve, the first compressor, the second compressor are connected with the controlled end of water pump.
Beneficial effects of the present invention are mainly manifested in：First, the present invention proposes a kind of heat of step coupling two-step heating
Pumping system is innovated from Systems Theory level, is coupled and is heated using step, cold water will be by ingredient two-step heating, to subtract
Small heat transfer temperature difference improves heat exchange efficiency.The second, the irreversible loss in compression process can be effectively reduced using two stages of compression
To improve heat pump efficiency；Droop loss can be effectively reduced to improve heat pump efficiency using two-stage throttling.Third, the present invention
Using two stages of compression two-stage throttle type heat pump cycle by various modes switch to multiple and different thermal stratification areas in water tank into
Row independent heating, extends use scope compared with the heat pump of single-stage, compared with existing two stages of compression heat pump, neatly uses
Hiigh pressure stage compression can be improved when hot water temperature rises larger in two-step heating hot water and intermediate not exclusively cooling two stages of compression structure
Machine admission pressure, refrigerant enthalpy, reduce the pressure ratio of high pressure compressor, to greatly reduce wasted work, improve efficiency；And it can be with water
Case different temperatures demixing zone carries out more optimal coupling, to greatly promote the ability of heating water and the efficiency of cycle and quickly
Reach the demand that user's difference operating mode uses lower polytropic temperature hot water.Third uses medium temperature, the hot water of lower temperature in user
When, compared to high temperature traditionally is heated to the water of entire large water tank, then lower temperature is become by slow thermaltransmission mode
Water caused by hot water available energyReduction, the lag of the waste of the energy and hot water supply, the present invention passes through to not
The mode individually heated to different set thermal stratification area under different coupled mode is realized in switching with shut-off valve, can be effective
The energy saving waste in ground, and hot water can be quickly supplemented to being used by a user consumed hot water demixing zone.4th, in order to subtract
Few user is brought when using lower temperature hot water by by the hot water of high-temperature and cold water mixLoss, the present invention
By the way of fetching water from different temperatures demixing zone；And present invention incorporates directly-heated type Teat pump boiler to user use hot water need
The reaction speed asked is fast and circulating heat pump water heater can keep the advantage stablized to thermal stratification area hot water temperature, devises
User uses the heating mode different under idle state, to better conform to user demand.
Description of the drawings
Fig. 1 is the schematic diagram of step heating multi-model coupling layering water outlet classification throttling Teat pump boiler.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1, a kind of step heating multi-model coupling layering water outlet classification throttling Teat pump boiler, including evaporator 1,
First compressor 2, the first shut-off valve 3, the second shut-off valve 4, the second compressor 5, the first expansion valve 6, gas-liquid separator 7, second
Expansion valve 8, the second condenser 9, the first condenser 10, water pump 11, third shut-off valve 12, the 4th shut-off valve 13, the 5th shut-off valve
14, the 6th shut-off valve 15, the 7th shut-off valve 16, the 8th shut-off valve 17, the 9th shut-off valve 18, the tenth shut-off valve 19, flow-rate adjustment
Valve 20, water tank 21, the first water mixing valve 22 (band flow sensor), the second water mixing valve 23 (band flow sensor), third water mixing valve
24 (band flow sensors), the 11st shut-off valve 25, control system 26, the first temperature sensor 27, second temperature sensor 28
With third temperature sensor 29.
The import of first compressor 2 is connected with the outlet of evaporator 1 by pipeline, the outlet point of the first compressor 2
It is not connected by pipeline with the outlet of the first shut-off valve 3, the import of the second shut-off valve 4 and the first import of the first condenser 10；
The import of evaporator 1 is connected with the outlet of the first expansion valve 6 by pipeline；The outlet of second shut-off valve 4 and the second compressor 5
Import is connected by pipeline；There are three inlet and outlet, imports to be connected by pipeline with the outlet of the second expansion valve 8 for gas-liquid separator 7,
First outlet is connected with the import of the first shut-off valve 3 by pipeline, and second outlet and the import of the first expansion valve 6 pass through pipeline phase
Even；First condenser 10 is there are four inlet and outlet, the first import and the outlet of the first shut-off valve 3, the import of the second shut-off valve 4 and the
The outlet of one compressor 2 is connected by pipeline, and the second import is connected with the outlet of water pump 11 by pipeline, first outlet and first
The import of expansion valve 6 is connected by pipeline, and second outlet is connected with the second import of the second condenser 9 by pipeline；Second is cold
There are four inlet and outlet, the first imports to be connected by pipeline with the outlet of the second compressor 5 for condenser 9, the second import and the first condensation
The second outlet of device 10 is connected by pipeline, and first outlet is connected with the import of the second expansion valve 8 by pipeline, second outlet point
It is not connected by pipeline with the import of the 5th shut-off valve 14 and the import of the 6th shut-off valve 15；The import of water pump 11 respectively with third
Shut-off valve 12 is connected with the outlet of flow control valve 20 by pipeline；The import of third shut-off valve 12 respectively with the tenth shut-off valve 19
Import, the 4th shut-off valve 13 outlet be connected by pipeline with the outlet of the 9th shut-off valve 18；The import of 4th shut-off valve 13
It is connected respectively by pipeline with the import of the 8th shut-off valve 17, the outlet of the 5th shut-off valve 14 and the outlet of the 7th shut-off valve 16；
Water tank 21 has ten inlet and outlet, the first import to be connected by pipeline with the outlet of the 6th shut-off valve 15, the second import with the 8th section
Only the outlet of valve 17 by pipeline be connected, third import is connected with the outlet of the tenth shut-off valve 19 by pipeline, the 4th import and
The outlet of 11st shut-off valve 25 is connected by pipeline, and first outlet is connected with the import of the 7th shut-off valve 16 by pipeline, the
Two outlets are connected with the import of the 9th shut-off valve 18 by pipeline, and the import that third exports with flow control valve 20 passes through pipeline phase
Even, the 4th outlet is connected with the first import of the first water mixing valve 22 by pipeline, the 5th outlet and the first of the second water mixing valve 23
Import is connected by pipeline, and the 6th outlet is connected with the first import of third water mixing valve 24 by pipeline；First water mixing valve 22 has
Three inlet and outlet, the second import are connected with cold water inlet by pipeline, and outlet is supplied with hot water needed for user；Second water mixing valve 23
There are three inlet and outlet, the second import is connected with cold water inlet by pipeline, and outlet is supplied with hot water needed for user；Third water mixing valve
24 there are three importing and exporting, and the second import is connected with cold water inlet by pipeline, and outlet is supplied with hot water needed for user.First temperature
Sensor 27 is located at the middle part of 21 high-temperature-hot-water demixing zone of water tank, and second temperature sensor 28 is located at warm water in water tank 21 and is layered
The middle part in area, third temperature sensor 29 are located at the middle part in 21 low-temperature stratification area of water tank.
The course of work of the present embodiment is：
First compressor selects frequency-changeable compressor, the second compressor to select invariable frequency compressor.
Twin-stage throttling step heats high-temperature-hot-water water exit mode：The pattern, user are used when required hot water temperature is higher
It is fetched water by the outlet of the first water mixing valve 22, the flow sensor at the first water mixing valve 22 detects hot water flow signal at this time,
Control system 26 is passed the signal along to, then control system 26 outputs a control signal to each component, makes the first shut-off valve 3, second
Shut-off valve 4, the 6th shut-off valve 15, the 11st shut-off valve 25 are opened, third shut-off valve 12, the cut-off of the 4th shut-off valve the 13, the 5th
Valve 14, the 7th shut-off valve 16, the 8th shut-off valve 17, the 9th shut-off valve 18, the tenth shut-off valve 19 are turned off, the first compressor 2 with
High-frequency is run, and the second compressor 5, water pump 11 are run, and control system 26 is made flow-rate adjustment to flow control valve 20 and made
Water flow is equal to hot water flow at the first water mixing valve 22 at flow control valve 20.The gaseous refrigerant of medium temperature and medium pressure is compressed from first
The outlet outflow of machine 2 is divided into two-way, and the first via enters the first import of the first condenser 10, and heat release is cold in the first condenser 10
Solidifying, the liquid refrigerant pressed in low temperature is flowed out from the first outlet of the first condenser 10, and the second tunnel goes out with from the first shut-off valve 3
The import for flowing into the second compressor 5 in the low temperature of mouth after the mixing of pressure gaseous refrigerant through the second shut-off valve 4, in the second compressor 5
In be re-compressed, the gaseous refrigerant for becoming high temperature and pressure flows into the first import of the second condenser 9, in the second condenser 9
Middle exothermic condensation, the liquid refrigerant of medium temperature high pressure is flowed out from the first outlet of the second condenser 9 to be become after the second expansion valve 8
Enter the import of gas-liquid separator 7 at the refrigerant air-liquid mixture pressed in low temperature, the gaseous refrigerant pressed in low temperature is from gas-liquid
The first outlet of separator 7 flows out after shut-off valve 3 is mixed with the medium temperature and medium pressure gaseous refrigerant exported from the first compressor 2
Return to the import of shut-off valve 4, the liquid refrigerant pressed in low temperature from the outflow of the second outlet of gas-liquid separator 7 with to come from first cold
Become the refrigerant air-liquid of low-temp low-pressure after pressing liquid refrigerant to mix in the low temperature of 10 first outlet of condenser through the first expansion valve 6
Mixture then flows into the import of evaporator 1, and amount of heat, the low-temp low-pressure gaseous state after heat absorption evaporation are absorbed in evaporator 1
Refrigerant is inhaled into the entrance of the first compressor 2, becomes the gaseous refrigerant of medium temperature and medium pressure after the compression of the first compressor 2.It is cold
Water is entered by public water supply pipe, and the 4th import of water tank 21 is flowed into through the 11st shut-off valve 25, by the third outlet stream of water tank 21
The second import for going out after flow control valve 20 to enter through water pump 11 first condenser 10, the primary heating in the first condenser
Become middle warm water, then exit into the second import of the second condenser 9 from the second outlet of the first condenser 10, in the second condensation
It is heated again in device 9 and becomes the first import that high-temperature-hot-water flows into water tank 21 through the 6th shut-off valve 15, high-temperature-hot-water is by water tank
21 the 4th outlets exit into 22 first import of the first water mixing valve and pass through one with the cold water from 22 second import of the first water mixing valve
Outflow supply user is exported by the first water mixing valve 22 after certainty ratio mixing.When user turns off hot water, 21 high temperature of water tank at this time
First temperature sensor 27 of hot water demixing zone detects water tank high temperature batch area hot water temperature, and temperature signal is transmitted to control
System 26, if the temperature is less than 21 high-temperature-hot-water demixing zone set temperature of water tank, the output control signal of control system 26 makes the
Three shut-off valves 12, the 4th shut-off valve 13, the 7th shut-off valve 16 are opened, and the 11st shut-off valve 25, flow control valve 20 are closed.Water tank
The hot water of high-temperature-hot-water demixing zone in 21 is flowed out from first outlet to be ended through the 7th shut-off valve 16, the 4th shut-off valve 13, third
Valve 12, water pump 11 enter the second import of the first condenser 10, warm water during primary heating becomes in the first condenser, then from the
The second outlet of one condenser 10 exits into the second import of the second condenser 9, and change is heated again in the second condenser 9
The first import of water tank 21 is returned to through the 6th shut-off valve 15 at high-temperature-hot-water.If 21 high temperature hot water demixing zone hot water temperature of water tank
Degree reaches 21 high-temperature-hot-water demixing zone set temperature of water tank, and control system 26 outputs a control signal to each component, keeps each component equal
It closes.
Twin-stage throttling step heats medium temperature hot water effluent's pattern：The pattern, user are used when required hot water temperature is normal
It is fetched water by the outlet of the second water mixing valve 23, the flow sensor at the second water mixing valve 23 detects hot water flow signal at this time,
Control system 26 is passed the signal along to, then control system 26 outputs a control signal to each component, makes the first shut-off valve 3, second
Shut-off valve 4, the 5th shut-off valve 14, the 8th shut-off valve 17, the 11st shut-off valve 25 are opened, and third shut-off valve the 12, the 4th ends
Valve 13, the 6th shut-off valve 15, the 7th shut-off valve 16, the 9th shut-off valve 18, the tenth shut-off valve 19 are turned off, the first compressor 2 with
Normal frequency is run, and the second compressor 5, water pump 11 are run, and control system 26 makes flow-rate adjustment to flow control valve 20 to be made
It obtains water flow at flow control valve 20 and is equal to hot water flow at the second water mixing valve 23.The gaseous refrigerant of medium temperature and medium pressure is pressed from first
The outlet outflow of contracting machine 2 is divided into two-way, and the first via enters the first import of the first condenser 10, the heat release in the first condenser 10
It condenses, the liquid refrigerant pressed in low temperature is from the outflow of the first outlet of the first condenser 10, the second tunnel and from the first shut-off valve 3
The import for flowing into the second compressor 5 after pressing gaseous refrigerant to mix in the low temperature of outlet through the second shut-off valve 4, in the second compressor
It is re-compressed in 5, the gaseous refrigerant for becoming high temperature and pressure flows into the first import of the second condenser 9, in the second condenser 9
Middle exothermic condensation, the liquid refrigerant of medium temperature high pressure is flowed out from the first outlet of the second condenser 9 to be become after the second expansion valve 8
Enter the import of gas-liquid separator 7 at the refrigerant air-liquid mixture pressed in low temperature, the gaseous refrigerant pressed in low temperature is from gas-liquid
The first outlet of separator 7 flows out after shut-off valve 3 is mixed with the medium temperature and medium pressure gaseous refrigerant exported from the first compressor 2
Return to the import of shut-off valve 4, the liquid refrigerant pressed in low temperature from the outflow of the second outlet of gas-liquid separator 7 with to come from first cold
Become the refrigerant air-liquid of low-temp low-pressure after pressing liquid refrigerant to mix in the low temperature of 10 first outlet of condenser through the first expansion valve 6
Mixture then flows into the import of evaporator 1, and amount of heat, the low-temp low-pressure gaseous state after heat absorption evaporation are absorbed in evaporator 1
Refrigerant is inhaled into the entrance of the first compressor 2, becomes the gaseous refrigerant of medium temperature and medium pressure after the compression of the first compressor 2.It is cold
Water is entered by public water supply pipe, and the 4th import of water tank 21 is flowed into through 11 shut-off valves 25, and outflow is exported by the third of water tank 21
The second import for entering the first condenser 10 through water pump 11 after flow control valve 20, the primary heating in the first condenser,
The second import for exiting into the second condenser 9 from the second outlet of the first condenser 10 again, by again in the second condenser 9
Heating becomes the second import that middle warm water flows into water tank 21 through the 5th shut-off valve 14 and the 8th shut-off valve 17, and middle warm water is by water
Case 21 the 5th, which exports, exits into 23 first import of the second water mixing valve and the cold water process from 23 second import of the second water mixing valve
Outflow supply user is exported by the second water mixing valve 23 after certain proportion mixing.When user turns off hot water, 21 medium temperature of water tank at this time
The second temperature sensor 28 of hot water demixing zone detects warm water demixing zone hot water temperature in water tank, and temperature signal is transmitted to
Control system 26, if the temperature is less than warm water demixing zone set temperature in water tank 21, the output control signal of control system 26
Third shut-off valve 12, the 9th shut-off valve 18 is set to open, the 11st shut-off valve 25, flow control valve 20 are closed.It is warmed in water tank 21
The hot water in water stratification area is flowed out from second outlet enters the first condenser through the 9th shut-off valve 18, third shut-off valve 12, water pump 11
10 the second import, the primary heating in the first condenser, then from the second outlet of the first condenser 10 to exit into second cold
Second import of condenser 9 is heated again warm water in becoming in the second condenser 9 and ends through the 5th shut-off valve the 14, the 8th
Valve 17 returns to the second import of water tank 21.If warm water demixing zone hot water temperature reaches warm water point in water tank 21 in water tank 21
Floor area set temperature, control system 26 output a control signal to each component, and each component is made to be turned off.
Single-stage heats low-temperature water heating water exit mode：The pattern, user is used to pass through third when required hot water temperature is relatively low
The outlet of water mixing valve 24 is fetched water, and the flow sensor at third water mixing valve 24 detects hot water flow signal at this time, and signal is passed
It is delivered to control system 26, then control system 26 outputs a control signal to each component, makes the 4th shut-off valve 13, the 5th shut-off valve
14, the tenth shut-off valve 19, the 11st shut-off valve 25 are opened, the first shut-off valve 3, the second shut-off valve 4, third shut-off valve 12,
Six shut-off valves 15, the 7th shut-off valve 16, the 8th shut-off valve 17, the 9th shut-off valve 18 are turned off, and the first compressor 2 is with normal frequency
Operation, water pump 11 are run, and control system 26 makes flow-rate adjustment to flow control valve 20 and makes flow at flow control valve 20
Amount is equal to hot water flow at third water mixing valve 24.The gaseous refrigerant of high temperature and pressure is exited into from the outlet of the first compressor 2
First import of the first condenser 10, the exothermic condensation in the first condenser 10, the liquid refrigerant of cryogenic high pressure are cold from first
The first outlet outflow of condenser 10 becomes the refrigerant air-liquid mixture of low-temp low-pressure through the first expansion valve 6, then flows into evaporation
The import of device 1, absorbs amount of heat in evaporator 1, and the low-temp low-pressure gaseous refrigerant after heat absorption evaporation is inhaled into the first pressure
The entrance of contracting machine 2 becomes the gaseous refrigerant of high temperature and pressure after the compression of the first compressor 2.Cold water is entered by public water supply pipe,
The 4th import that water tank 21 is flowed into through 11 shut-off valves 25 is passed through by the third outlet outflow of water tank 21 after flow control valve 20
Water pump 11 enters the second import of the first condenser 10, after being heated in the first condenser 10, then from the first condenser 10
Second outlet outflow flows into the third import of water tank 21 through the 5th shut-off valve 14, the 4th shut-off valve 13 and the tenth shut-off valve 19, low
Warm water exits into 24 first import of third water mixing valve by the outlet of water tank 21 the 6th and comes from 24 second import of third water mixing valve
Cold water after certain proportion mixes by third water mixing valve 24 export outflow supply user.When user does not use hot water, this
When 21 low-temperature water heating demixing zone of water tank third temperature sensor 29 detect low-temperature water heating demixing zone hot water temperature in water tank, will
Temperature signal is transmitted to control system 26, if the temperature is less than 21 low-temperature water heating demixing zone set temperature of water tank, control system
26 output control signals make 20 standard-sized sheet of flow control valve, the 11st shut-off valve 25 close.Low-temperature water heating demixing zone in water tank 21
Hot water exports outflow through flow control valve 20, water pump 11 into the second import of the first condenser 10 from third, is condensed first
After being heated in device, then from the outflow of the second outlet of the first condenser 10 through the 5th shut-off valve 14, the 4th shut-off valve 13 and the tenth
Shut-off valve 19 returns to the third import of water tank 21.If low-temperature water heating demixing zone hot water temperature reaches 21 low temperature of water tank in water tank 21
Hot water demixing zone set temperature, control system 26 output a control signal to each component, and each component is made to be turned off.
Claims (5)
1. a kind of step heating multi-model coupling layering water outlet classification throttling Teat pump boiler, which is characterized in that the water heater
Including evaporator, the first compressor, the first shut-off valve, the second shut-off valve, the second compressor, the first expansion valve, gas-liquid separator,
Second expansion valve, the second condenser, the first condenser, water pump, third shut-off valve, the 4th shut-off valve, the 5th shut-off valve, the 6th section
Only valve, the 7th shut-off valve, the 8th shut-off valve, the 9th shut-off valve, the tenth shut-off valve, flow control valve, water tank, the first water mixing valve,
Second water mixing valve, third water mixing valve and the 11st shut-off valve；
The import of first compressor is connected with the outlet of evaporator, the first compressor outlet respectively with the first shut-off valve
Outlet, the import of the second shut-off valve are connected with the first import of the first condenser；The import of evaporator goes out with the first expansion valve
Mouth is connected；The outlet of second shut-off valve is connected with the import of the second compressor；The import of gas-liquid separator and the second expansion valve
Outlet is connected, and the first outlet of gas-liquid separator is connected with the import of the first shut-off valve, the second outlet of gas-liquid separator and the
The import of one expansion valve is connected；Second import of the first condenser is connected with the outlet of water pump, the first outlet of the first condenser
It is connected with the import of the first expansion valve, the second outlet of the first condenser is connected with the second import of the second condenser；Second is cold
First import of condenser is connected with the outlet of the second compressor, the import phase of the first outlet of the second condenser and the second expansion valve
Even, the second outlet of the second condenser is connected with the import of the 5th shut-off valve and the import of the 6th shut-off valve respectively；Water pump into
Mouth is connected with the outlet of third shut-off valve and the outlet of flow control valve respectively；The import of third shut-off valve ends with the tenth respectively
The import of valve, the outlet of the 4th shut-off valve are connected with the outlet of the 9th shut-off valve；The import of 4th shut-off valve respectively with the 8th section
Only the import of valve, the outlet of the 5th shut-off valve are connected with the outlet of the 7th shut-off valve；First import of water tank and the 6th shut-off valve
Outlet be connected, the second import of water tank is connected with the outlet of the 8th shut-off valve, the third import of water tank and the tenth shut-off valve
Outlet is connected, and the 4th import of water tank is connected with the outlet of the 11st shut-off valve, the first outlet of water tank and the 7th shut-off valve
Import is connected, and the second outlet of water tank is connected with the import of the 9th shut-off valve, the third of water tank export and flow control valve into
Mouth is connected, and the 4th outlet of water tank is connected with the first import of the first water mixing valve, the 5th outlet and the second water mixing valve of water tank
First import is connected, and the 6th outlet of water tank is connected with the first import of third water mixing valve；Second import of the first water mixing valve with
Cold water inlet is connected, and the outlet of the first water mixing valve is the first hot water outlet；Second import of the second water mixing valve and cold water inlet phase
Even, the outlet of the second water mixing valve is the second hot water outlet；Second import of third water mixing valve is connected with cold water inlet, and third mixes water
The outlet of valve is third hot water outlet.
2. step heating multi-model coupling layering water outlet classification throttling Teat pump boiler as described in claim 1, feature exist
In first water mixing valve, the second water mixing valve and third water mixing valve carry flow sensor.
3. step heating multi-model coupling layering water outlet classification throttling Teat pump boiler as described in claim 1, feature exist
In the water heater further includes the first temperature sensor, second temperature sensor and third temperature sensor, the first temperature sensing
Device is located at the middle part of water tank high-temperature-hot-water demixing zone, and second temperature sensor is located at the middle part of warm water demixing zone in water tank, the
Three-temperature sensor is located at the middle part in water tank low-temperature stratification area.
4. step heating multi-model coupling layering water outlet classification throttling Teat pump boiler as claimed in claim 2, feature exist
In the water heater further includes the first temperature sensor, second temperature sensor and third temperature sensor, the first temperature sensing
Device is located at the middle part of water tank high-temperature-hot-water demixing zone, and second temperature sensor is located at the middle part of warm water demixing zone in water tank, the
Three-temperature sensor is located at the middle part in water tank low-temperature stratification area.
5. step heating multi-model coupling layering water outlet classification throttling Teat pump boiler as claimed in claim 4, feature exist
In, the water heater further includes control system, first water mixing valve, the second water mixing valve and third water mixing valve flow sensing
Device, the first temperature sensor, second temperature sensor and third temperature sensor are connect with the control system, the control
System respectively with the first shut-off valve, the second shut-off valve, the first expansion valve, the second expansion valve, third shut-off valve, the 4th shut-off valve,
5th shut-off valve, the 6th shut-off valve, the 7th shut-off valve, the 8th shut-off valve, the 9th shut-off valve, the tenth shut-off valve, the 11st cut-off
Valve, flow control valve, the first compressor, the second compressor are connected with the controlled end of water pump.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319977.8A CN108375193A (en) | 2018-04-11 | 2018-04-11 | Step heats multi-model coupling layering water outlet classification throttling Teat pump boiler |
| CN201910282710.0A CN109812974B (en) | 2018-04-11 | 2019-04-10 | Step heating multi-mode coupling heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319977.8A CN108375193A (en) | 2018-04-11 | 2018-04-11 | Step heats multi-model coupling layering water outlet classification throttling Teat pump boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108375193A true CN108375193A (en) | 2018-08-07 |
Family
ID=63032057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810319977.8A Withdrawn CN108375193A (en) | 2018-04-11 | 2018-04-11 | Step heats multi-model coupling layering water outlet classification throttling Teat pump boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108375193A (en) |
-
2018
- 2018-04-11 CN CN201810319977.8A patent/CN108375193A/en not_active Withdrawn
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Application publication date: 20180807 |