CN105004048A - Waste heat comprehensive utilization system - Google Patents
Waste heat comprehensive utilization system Download PDFInfo
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- CN105004048A CN105004048A CN201510463660.8A CN201510463660A CN105004048A CN 105004048 A CN105004048 A CN 105004048A CN 201510463660 A CN201510463660 A CN 201510463660A CN 105004048 A CN105004048 A CN 105004048A
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Abstract
The invention relates to a waste heat comprehensive utilization system. The waste heat comprehensive utilization system is characterized in that an instant waste heat recovery and heating unit comprises a dual-system heat pump, a water inlet electromagnetic valve, a constant-temperature control valve and a water-water heat exchanger for primary heat recovery, wherein the dual-system heat pump is composed of a first compressor, a second compressor, a first throttling valve, a second throttling valve, an evaporator, a first gas-liquid separator, a second gas-liquid separator and a condenser; a cold water inlet pipeline of a cold water boost pump is connected with a cold water inlet of the water-water heat exchanger through the water inlet electromagnetic valve, and a water outlet of the water-water heat exchanger is connected with a water inlet of the condenser through the constant-temperature control valve. According to the waste heat comprehensive utilization system, large-temperature-difference waste heat recovery is achieved through a multi-stage heat recovery technology, the problems that in the industry, the waste water discharge quality is large on each day, the temperature of waste water is unstable, and the waste water can not be stored for a long time are solved, and therefore most heat of the waste water can be recycled.
Description
Technical field
The present invention relates to a kind of used heat utilization system.
Background technology
The enterprises such as printing and dyeing, electronics, food processing, chemical industry, metallurgy all need to supply a large amount of hot water in process of production, produce again more spent hot water (30 ~ 70 DEG C) simultaneously, big-and-middle-sized collective bathroom also has a large amount of bathing spent hot waters (about 30 DEG C) to produce, the spent hot water that these modern industries are produced and discharged in life, usually can not reuse after generation, but be directly discharged in environment, or be discharged in environment after the purified treatment of corresponding requirements.These used heat are not only not used, and produce thermal pollution on the contrary to environment.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of technical scheme of used heat utilization system.
Described a kind of used heat utilization system, comprise Instant heating type Waste Heat Recovery heating unit, attemperater, single chip control unit, wastewater disposal basin and air conditioning terminal, it is characterized in that: described Instant heating type Waste Heat Recovery heating unit comprises the first compressor, second compressor, first throttle valve, second throttle, evaporimeter, first gas-liquid separator, the dual system heat pump of the second gas-liquid separator and condenser composition, and entering water electromagnetic valve, thermostatic control valve and the water/water-to-water heat exchanger for elementary recuperation of heat; From the cold water inlet road of cold water booster pump, be connected to the cold water inlet of water/water-to-water heat exchanger by entering water electromagnetic valve, the delivery port of water/water-to-water heat exchanger, by thermostatic control valve, is connected to the water inlet of condenser; Attemperater passes through Constant Temperature Circulator, be connected to the constant temperature water inlet of Instant heating type Waste Heat Recovery heating unit, the hot water of attemperater is transmitted back to the water inlet of condenser, the hot water outlet of condenser is connected to described attemperater, forms the hot water circulation loop of described used heat utilization system; Wastewater disposal basin is connected to the entrance of the first triple valve, the B port of the first triple valve is by least one heat-source Cycles pump, be connected to the water intake of Instant heating type Waste Heat Recovery heating unit, spent hot water is transported to the waterwater entrance of water/water-to-water heat exchanger, the wastewater outlet of water/water-to-water heat exchanger is connected to the waterwater entrance of evaporimeter, the wastewater effluent mouth of evaporimeter is connected to the A port of the 3rd triple valve, be connected to discharge outlet by the C port of the 3rd triple valve again, form the Waste Heat Recovery heating circuit of described used heat utilization system; The B port of the 3rd triple valve, air conditioning terminal is connected to by check valve, by the low-temperature wastewater that Instant heating type Waste Heat Recovery heating unit is discharged, be transported to air conditioning terminal and realize air conditioner refrigerating function, the wastewater outlet of air conditioning terminal is connected to the A port of the second triple valve, be connected to discharge outlet by the C port of the second triple valve, form the air conditioner refrigerating loop of described used heat utilization system; The C port of the first triple valve is connected to air conditioning terminal, spent hot water is transported to air conditioning terminal and realizes air-conditioning heating function, the wastewater outlet of air conditioning terminal is connected to the A port of the second triple valve, be connected to discharge outlet by the C port of the second triple valve, form the used heat heating loop of described used heat utilization system; The B port of the second triple valve is connected to the entrance of described heat-source Cycles pump, and the waste water of air conditioning terminal is transported to described Waste Heat Recovery heating circuit again, realizes used heat heating water heating function simultaneously; The sensing element for detecting cistern water level and water tank temperature is provided with in described attemperater; The input signal end of described single chip control unit is connected to described sensing element, the cistern water level arrived according to sensing element senses and water tank temperature produce control signal, are sent to the control input end of entering water electromagnetic valve, thermostatic control valve, heat-source Cycles pump and Constant Temperature Circulator; The control signal output of described single chip control unit, be also connected to described first triple valve, the control input end of the second triple valve and the 3rd triple valve, according to the operational mode of selected used heat utilization system, can control the on-state of each triple valve.
Described used heat utilization system, it is characterized in that described evaporimeter and condenser include twinplex coolant channel, the first described compressor and the second compressor are respectively by a wherein road coolant channel, connect into independently two-way refrigerant circulation loop, form compressor two-shipper standby structure mutually; The running status of single chip control unit Real-Time Monitoring two compressor, if the compressor of two-shipper mutually in standby structure is stopped transport because of fault, then uses another compressor maintaining heat heat pump heating water function.
The present invention is by Multi-stage heat recovery technology, realize the large temperature difference and reclaim used heat, solve that larger, the waste water water temperature of industrial trade day wastewater discharge is unstable, waste water can not the problem of storage of long period, and the heat major part of waste water can be made to be recycled.
Accompanying drawing explanation
Fig. 1 is the systematic schematic diagram of used heat utilization system of the present invention;
Fig. 2 is the structural representation of Instant heating type Waste Heat Recovery heating unit;
Fig. 3 is the structural representation of the Instant heating type Waste Heat Recovery heating unit using band recuperation of heat gas to divide;
Fig. 4 is used heat utilization system water outlet constant-temperature control method flow chart of the present invention;
Fig. 5 is the structural representation of the gas-liquid separator of band recuperation of heat structure.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described:
Fig. 1 is an embodiment of monolithic processor controlled used heat utilization system, and described used heat utilization system comprises the heating of Instant heating type Waste Heat Recovery unit 100, attemperater 200, single chip control unit 300, wastewater disposal basin 400 and air conditioning terminal 500.
Fig. 2 illustrates an embodiment of the Instant heating type Waste Heat Recovery heating unit 100 of used heat utilization system of the present invention, described Instant heating type Waste Heat Recovery heating unit 100 comprises the first compressor 111, second compressor 112, first throttle valve 121, second throttle 122, evaporimeter 130, first gas-liquid separator 141, the dual system heat pump that second gas-liquid separator 142 and condenser 150 form, and entering water electromagnetic valve 350, thermostatic control valve 360 and the water/water-to-water heat exchanger 160 for elementary recuperation of heat; Instant heating type Waste Heat Recovery heating unit 100 represented by dashed line and the control connection between single chip control unit 300 and each sensing element is made in Fig. 2.
From the cold water inlet road of cold water booster pump 220, be connected to the cold water inlet of water/water-to-water heat exchanger 160 by entering water electromagnetic valve 350, the delivery port of water/water-to-water heat exchanger 160, by thermostatic control valve 360, is connected to the water inlet of condenser 150; Attemperater 200 is by Constant Temperature Circulator 230, be connected to the constant temperature water inlet of Instant heating type Waste Heat Recovery heating unit 100, the hot water of attemperater 200 is transmitted back to the water inlet of condenser 150, the hot water outlet of condenser 150 is connected to described attemperater 200, form the hot water circulation loop of described used heat utilization system, see Fig. 1 and Fig. 2.
Embodiment according to Fig. 1 and Fig. 2, wastewater disposal basin 400 is connected to the A port 31A of the first triple valve 310, the B port 31B of the first triple valve 310 is by least one heat-source Cycles pump, be connected to the water intake of Instant heating type Waste Heat Recovery heating unit 100, spent hot water is transported to the waterwater entrance of water/water-to-water heat exchanger 160, the wastewater outlet of water/water-to-water heat exchanger 160 is connected to the waterwater entrance of evaporimeter 130, the wastewater effluent mouth of evaporimeter 130 is connected to the A port 33A of the 3rd triple valve 330, discharge outlet is connected to again by the C port 33C of the 3rd triple valve 330, form the Waste Heat Recovery heating circuit of described used heat utilization system, the B port 33B of the 3rd triple valve 330, air conditioning terminal 500 is connected to by check valve 340, by the low-temperature wastewater that Instant heating type Waste Heat Recovery heating unit 100 is discharged, be transported to air conditioning terminal 500 and realize air conditioner refrigerating function, the wastewater outlet of air conditioning terminal 500 is connected to the A port 32A of the second triple valve 320, be connected to discharge outlet by the C port 32C of the second triple valve 320, form the air conditioner refrigerating loop of described used heat utilization system, the C port 31C of the first triple valve 310 is connected to air conditioning terminal 500, spent hot water is transported to air conditioning terminal 500 and realizes air-conditioning heating function, the wastewater outlet of air conditioning terminal 500 is connected to the A port 32A of the second triple valve 320, be connected to discharge outlet by the C port 32C of the second triple valve 320, form the used heat heating loop of described used heat utilization system, the B port 32B of the second triple valve 320 is connected to the entrance of described heat-source Cycles pump, and the waste water of air conditioning terminal 500 is transported to described Waste Heat Recovery heating circuit again, realizes used heat heating water heating function simultaneously, the sensing element 210 for detecting cistern water level and water tank temperature is provided with in described attemperater 200, the input signal end of described single chip control unit 300 is connected to described sensing element 210, the cistern water level detected according to sensing element 210 and water tank temperature produce control signal, are sent to the control input end of entering water electromagnetic valve 350, thermostatic control valve 360, heat-source Cycles pump and Constant Temperature Circulator 230, the control signal output of described single chip control unit 300, be also connected to described first triple valve 310, the control input end of the second triple valve 320 and the 3rd triple valve 330, according to the operational mode of selected used heat utilization system, the on-state of each triple valve can be controlled.
The embodiment of the Instant heating type Waste Heat Recovery heating unit according to Fig. 2, described evaporimeter 130 and condenser 150 include twinplex coolant channel, the first described compressor 111 and the second compressor 112 are respectively by a wherein road coolant channel, connect into independently two-way refrigerant circulation loop, form compressor two-shipper standby structure mutually; The running status of single chip control unit 300 Real-Time Monitoring two compressor, if the compressor of two-shipper mutually in standby structure is stopped transport because of fault, then uses another compressor maintaining heat heat pump heating water function.
The embodiment of the used heat utilization system according to Fig. 1, the water intake of described Instant heating type Waste Heat Recovery heating unit 100 is provided with wastewater temperature sensing element 211; Described heat-source Cycles pump comprises the first heat-source Cycles pump 411 and Secondary Heat Source circulating pump 412, two heat-source Cycles pumps connect and compose two-shipper standby structure mutually side by side; Described single chip control unit 300 according to wastewater temperature, can control the first heat-source Cycles pump 411 and Secondary Heat Source circulating pump 412 opening respectively; The running status of single chip control unit 300 Real-Time Monitoring two heat-source Cycles pumps, if two-shipper is stopped transport for a heat-source Cycles failure of pump in structure mutually, then uses another heat-source Cycles pump to maintain waste water circulation function.
The embodiment of the Instant heating type Waste Heat Recovery heating unit that the band recuperation of heat gas according to Fig. 3 divides, first gas-liquid separator 141 and the second gas-liquid separator 142 of described Instant heating type Waste Heat Recovery heating unit 100, adopt the gas-liquid separator of band recuperation of heat structure (being called for short band recuperation of heat gas to divide), the gas-liquid separator of described band recuperation of heat structure as shown in Figure 5, comprises liquid refrigerant inlet A, liquid refrigerant outlet B, gaseous refrigerant inlet C, gaseous refrigerant outlet D, recuperation of heat heat exchanging chamber E and gas-liquid separation chamber F; The two-way refrigerant circulation flow process of described Instant heating type Waste Heat Recovery heating unit 100 is as follows: the air entry of gaseous refrigerant outlet D-first compressor 111 of gas-liquid separation chamber F-first gas-liquid separator 141 of gaseous refrigerant inlet C-first gas-liquid separator 141 of liquid refrigerant outlet B-first throttle valve 121-evaporimeter 130-first gas-liquid separator 141 of recuperation of heat heat exchanging chamber E-first gas-liquid separator 141 of liquid refrigerant inlet A-first gas-liquid separator 141 of exhaust outlet-condenser 150-first gas-liquid separator 141 of the first compressor 111; The air entry of gaseous refrigerant outlet D-second compressor 112 of gas-liquid separation chamber F-second gas-liquid separator 142 of gaseous refrigerant inlet C-second gas-liquid separator 142 of liquid refrigerant outlet B-second throttle 122-evaporimeter 130-second gas-liquid separator 142 of recuperation of heat heat exchanging chamber E-second gas-liquid separator 142 of liquid refrigerant inlet A-second gas-liquid separator 142 of exhaust outlet-condenser 150-second gas-liquid separator 142 of the second compressor 112.
Fig. 4 is the flow chart of an embodiment of used heat utilization system water outlet constant-temperature control method of the present invention, the flow chart of the present embodiment only contains the basic step realizing constant temperature flow rate adjusting method, eliminate those skilled in the art the well-known routines step needed for process such as the microsystem computer software and hardware power-up initializing be familiar with.
Used heat utilization system water outlet constant-temperature control method of the present invention shown in Fig. 4 comprises the following steps:
S100: obtain set water temperature, water temperature return difference setting value and preset running mode, by changing the powering state of the first triple valve 310, second triple valve 320 and the 3rd triple valve 330, selects the operational mode of used heat utilization system;
S200: the gentle cistern water level of Water in Water Tank detecting the wastewater temperature of wastewater disposal basin 400, attemperater 200 in real time;
S300: under cistern water level is lower than water level in limited time, starts Instant heating type Waste Heat Recovery heating unit 100, opens entering water electromagnetic valve 350, start the first compressor 111, second compressor 112 and heat-source Cycles pump; Prescribe a time limit when cistern water level reaches on water level, Instant heating type Waste Heat Recovery heating unit 100 is out of service;
S400: first influent waste water and the cold water water inlet of Instant heating type Waste Heat Recovery heating unit 100 enter water/water-to-water heat exchanger 160, carry out elementary recuperation of heat;
S500: the waste water that water/water-to-water heat exchanger 160 flows out, then enter evaporimeter 130 and carry out secondary recuperation of heat;
S600: the cold water heated up through water/water-to-water heat exchanger 160 heat exchange, then through thermostatic control valve 360, enter condenser 150 and carry out post bake, make hot water and send into attemperater 200;
S700: according to the difference of water tank water temperature and set water temperature, single chip control unit 300 calculates the aperture of thermostatic control valve 360, performs PID algorithm by thermostatic control valve 360 and controls discharge, thus ensures that water tank water temperature reaches setting value.
Described step S100 comprises the operational mode of the following used heat utilization system that can select:
S120: water heating simultaneously cooling operation mode: the first triple valve 310 be electricity condition, port 31A-31B connects, and port 31A-31C closes; Second triple valve 320 is power failure state, and port 32A-32B closes, and port 32A-32C connects; 3rd triple valve 330 be electricity condition, port 33A-33B connects, and port 33A-33C closes; The waste water of wastewater disposal basin 400, via the port 31A-31B of the first triple valve 310, by heat-source Cycles transport pump to Instant heating type Waste Heat Recovery heating unit 100, realizes two levels of thermal and reclaims hot water preparing function; The low-temperature wastewater of Instant heating type Waste Heat Recovery heating unit 100 wastewater effluent mouth, again by the port 33A-33B of the 3rd triple valve 330, flow into air-conditioning end 500 via check valve 340 and realize refrigerating function, then discharged by the port 32A-32C of the second triple valve 320;
S140: a water heating operational mode: first triple valve 310 be electricity condition, port 31A-31B connects, and port 31A-31C closes; 3rd triple valve 330 is power failure state, and port 33A-33B closes, and port 33A-33C connects; From the waste water that the wastewater effluent mouth of Instant heating type Waste Heat Recovery heating unit 100 flows out, directly discharged by the port 33A-33C of the 3rd triple valve 330;
S160: heating is water heating mode of operation simultaneously: the first triple valve 310 is power failure state, and port 31A-31B closes, and port 31A-31C connects; Second triple valve 320 be electricity condition, port 32A-32B connects, and port 32A-32C closes; 3rd triple valve 330 is power failure state, and port 33A-33B closes, and port 33A-33C connects; The waste water of wastewater disposal basin, by the port 31A-31C of the first triple valve 310, enters air-conditioning end 500 and realizes heating function; The waste water that air-conditioning end 500 flows out, via the port 32A-32B of the second triple valve 320, by heat-source Cycles transport pump to Instant heating type Waste Heat Recovery heating unit 100, realizes two levels of thermal and reclaims hot water preparing function; The waste water of Instant heating type Waste Heat Recovery heating unit 100 wastewater effluent mouth, is directly discharged by the port 33A-33C of the 3rd triple valve 330;
S180: a heating mode of operation: first triple valve 310 is power failure state, and port 31A-31B closes, and port 31A-31C connects; Second triple valve 320 is power failure state, and port 32A-32B closes, and port 32A-32C connects; The waste water of wastewater disposal basin, by the port 31A-31C of the first triple valve 310, enters air-conditioning end 500 and realizes heating function; The waste water that air-conditioning end 500 flows out, the port 32A-32C via the second triple valve 320 directly discharges.
The embodiment of the used heat utilization system water outlet constant-temperature control method according to Fig. 4, also comprises the following step entering and exit constant temperature circulating running status:
S350: when cistern water level reaches the water level upper limit, after Instant heating type Waste Heat Recovery heating unit 100 is out of service, if water tank temperature reduces and exceedes water temperature return difference setting value, then start Instant heating type Waste Heat Recovery heating unit 100 according to preset running mode, open constant temperature water pump 230, and close entering water electromagnetic valve 350, system enters constant temperature circulating running status; After water tank temperature reaches set water temperature, system exits constant temperature circulating running status.
When the Instant heating type Waste Heat Recovery heating unit divided when adopting the band recuperation of heat gas shown in Fig. 3 builds used heat utilization system, described water outlet constant-temperature control method, also comprises following refrigerant circulation flow process:
S810: the high temperature and high pressure gaseous refrigerant that compressor is discharged enters condenser, release heat is to by the cold water that heats, and gaseous refrigerant condenses be liquid state;
S820: be condensed into liquid cold-producing medium by liquid refrigerant inlet A, enters the heat in the recuperation of heat heat exchanging chamber E recovering liquid cold-producing medium being with recuperation of heat gas to divide;
S830: the sub-cooled liquid refrigerant in recuperation of heat heat exchanging chamber E, flows out via liquid refrigerant outlet B, after choke valve reducing pressure by regulating flow, enters in evaporimeter the heat absorbed in waste water, and vaporization becomes low-pressure gaseous refrigerant;
S840: low-pressure gaseous refrigerant is by gaseous refrigerant inlet C, enter gas-liquid separation chamber F, reclaim the heat of liquid refrigerant in recuperation of heat heat exchanging chamber E, compressor is sucked through exporting D by gaseous refrigerant after abundant vaporization, form closed-loop refrigeration agent circulation process, constantly by the transfer of heat in waste water to by the water that heats.
According to another embodiment of used heat utilization system water outlet constant-temperature control method of the present invention, described heat-source Cycles pump comprises the first heat-source Cycles pump 411 and Secondary Heat Source circulating pump 412; If wastewater temperature is higher than 50 DEG C, then open the first heat-source Cycles pump 411 or Secondary Heat Source circulating pump 412; If wastewater temperature is lower than 50 DEG C, then open the first heat-source Cycles pump 411 and Secondary Heat Source circulating pump 412 simultaneously, thus increase the internal circulating load of waste water.
According to the improvement project of above-described embodiment of used heat utilization system water outlet constant-temperature control method of the present invention, the first described heat-source Cycles pump 411 and Secondary Heat Source circulating pump 412 form two-shipper standby structure mutually; The running status of single chip control unit 300 Real-Time Monitoring two heat-source Cycles pumps, when a heat-source Cycles failure of pump in two-shipper mutually standby structure is stopped transport, can use another heat-source Cycles pump to maintain waste water circulation function.
According to a preferred embodiment of used heat utilization system water outlet constant-temperature control method of the present invention, the first described compressor 111 and the second compressor 112 form two-shipper standby structure mutually; The running status of single chip control unit 300 Real-Time Monitoring two compressor, when the compressor in two-shipper mutually standby structure is stopped transport because of fault, can use another compressor maintaining heat heat pump heating water function.
Embodiment 1
Cooling and warming water running pattern: influent waste water 50 DEG C-70 DEG C and cold water intake 15 DEG C after water/water-to-water heat exchanger 160 carries out elementary recuperation of heat, between waste water Water in Water Tank temperature drop to 30 DEG C-40 DEG C, and cold water temperature rises to 25 DEG C-30 DEG C, then, waste water flows into evaporimeter 130 again and carries out secondary recuperation of heat, the wastewater temperature of recuperation of heat is down to about 12 DEG C, from evaporimeter 130 12 DEG C of waste water out, via the 3rd triple valve 330, flow into air-conditioning end 500 by check valve 340 and freeze.
Be warming up to the cold water of 25 DEG C-30 DEG C after thermostatic control valve 350, flow into condenser 150 and carry out post bake.Single chip control unit 300 in real time detects hot water water temperature, according to the difference of water tank water temperature with set water temperature, calculates the aperture of thermostatic control valve, performs pid algorithm control discharge by thermostatic control valve, thus guarantee water tank water temperature reaches setting value.
Embodiment 2
Winter heating water heating mode of operation: from the wastewater disposal basin spent hot water of 50 DEG C-70 DEG C out, via the first triple valve 310, enter air-conditioning end 500 and realize heating function, the waste water that air-conditioning end 500 flows out is via the second triple valve 320, by the first heat-source Cycles pump 411 and/or Secondary Heat Source circulating pump 412, realize two levels of thermal and reclaim hot water preparing function; The water tank water temperature of air-conditioning end is between 35 DEG C-40 DEG C, enter water/water-to-water heat exchanger 160, carry out primary heat exchange with 5 DEG C of-10 DEG C of cold water from entering water electromagnetic valve 350, between waste water Water in Water Tank temperature drop to 20 DEG C-30 DEG C, and cold water temperature rises to 15 DEG C-25 DEG C.The waste water that water/water-to-water heat exchanger 160 flows out flows into evaporimeter 130 again and carries out secondary recuperation of heat, wastewater temperature after secondary recuperation of heat is down to about 8 DEG C, be warming up to the cold water of 15 DEG C-25 DEG C after thermostatic control valve 360, flow into condenser 150 and carry out post bake, single chip control unit 300 detects hot water water temperature, according to the difference of water tank water temperature and set water temperature, calculate the aperture of thermostatic control valve, perform PID algorithm by thermostatic control valve and control discharge, thus ensure that water tank water temperature reaches setting value.From the evaporimeter waste water of about 8 DEG C out, directly discharged by the port 33A-33C of the 3rd triple valve 330.If when not needing water heating, the second triple valve 320 dead electricity, the waste water that air-conditioning end 500 flows out, the port 32A-32C via the second triple valve 320 directly discharges.
Claims (2)
1. a used heat utilization system, comprises Instant heating type Waste Heat Recovery heating unit, attemperater, single chip control unit, wastewater disposal basin and air conditioning terminal, is characterized in that described Instant heating type Waste Heat Recovery heating unit comprises the first compressor, second compressor, first throttle valve, second throttle, evaporimeter, first gas-liquid separator, the dual system heat pump of the second gas-liquid separator and condenser composition, and entering water electromagnetic valve, thermostatic control valve and the water/water-to-water heat exchanger for elementary recuperation of heat; From the cold water inlet road of cold water booster pump, be connected to the cold water inlet of water/water-to-water heat exchanger by entering water electromagnetic valve, the delivery port of water/water-to-water heat exchanger, by thermostatic control valve, is connected to the water inlet of condenser; Attemperater passes through Constant Temperature Circulator, be connected to the constant temperature water inlet of Instant heating type Waste Heat Recovery heating unit, the hot water of attemperater is transmitted back to the water inlet of condenser, the hot water outlet of condenser is connected to described attemperater, forms the hot water circulation loop of described used heat utilization system; Wastewater disposal basin is connected to the entrance of the first triple valve, the B port of the first triple valve is by least one heat-source Cycles pump, be connected to the water intake of Instant heating type Waste Heat Recovery heating unit, spent hot water is transported to the waterwater entrance of water/water-to-water heat exchanger, the wastewater outlet of water/water-to-water heat exchanger is connected to the waterwater entrance of evaporimeter, the wastewater effluent mouth of evaporimeter is connected to the A port of the 3rd triple valve, be connected to discharge outlet by the C port of the 3rd triple valve again, form the Waste Heat Recovery heating circuit of described used heat utilization system; The B port of the 3rd triple valve, air conditioning terminal is connected to by check valve, by the low-temperature wastewater that Instant heating type Waste Heat Recovery heating unit is discharged, be transported to air conditioning terminal and realize air conditioner refrigerating function, the wastewater outlet of air conditioning terminal is connected to the A port of the second triple valve, be connected to discharge outlet by the C port of the second triple valve, form the air conditioner refrigerating loop of described used heat utilization system; The C port of the first triple valve is connected to air conditioning terminal, spent hot water is transported to air conditioning terminal and realizes air-conditioning heating function, the wastewater outlet of air conditioning terminal is connected to the A port of the second triple valve, be connected to discharge outlet by the C port of the second triple valve, form the used heat heating loop of described used heat utilization system; The B port of the second triple valve is connected to the entrance of described heat-source Cycles pump, and the waste water of air conditioning terminal is transported to described Waste Heat Recovery heating circuit again, realizes used heat heating water heating function simultaneously; The sensing element for detecting cistern water level and water tank temperature is provided with in described attemperater; The input signal end of described single chip control unit is connected to described sensing element, the cistern water level arrived according to sensing element senses and water tank temperature produce control signal, are sent to the control input end of entering water electromagnetic valve, thermostatic control valve, heat-source Cycles pump and Constant Temperature Circulator; The control signal output of described single chip control unit, be also connected to described first triple valve, the control input end of the second triple valve and the 3rd triple valve, according to the operational mode of selected used heat utilization system, can control the on-state of each triple valve.
2. used heat utilization system according to claim 1, it is characterized in that described evaporimeter and condenser include twinplex coolant channel, the first described compressor and the second compressor are respectively by a wherein road coolant channel, connect into independently two-way refrigerant circulation loop, form compressor two-shipper standby structure mutually; The running status of single chip control unit Real-Time Monitoring two compressor, if the compressor of two-shipper mutually in standby structure is stopped transport because of fault, then uses another compressor maintaining heat heat pump heating water function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463660.8A CN105004048A (en) | 2015-08-02 | 2015-08-02 | Waste heat comprehensive utilization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463660.8A CN105004048A (en) | 2015-08-02 | 2015-08-02 | Waste heat comprehensive utilization system |
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| CN105004048A true CN105004048A (en) | 2015-10-28 |
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| CN201510463660.8A Withdrawn CN105004048A (en) | 2015-08-02 | 2015-08-02 | Waste heat comprehensive utilization system |
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Application publication date: 20151028 |
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