CN104848421A - Direct expansion heat recovery energy saving method and device - Google Patents
Direct expansion heat recovery energy saving method and device Download PDFInfo
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- CN104848421A CN104848421A CN201510251463.XA CN201510251463A CN104848421A CN 104848421 A CN104848421 A CN 104848421A CN 201510251463 A CN201510251463 A CN 201510251463A CN 104848421 A CN104848421 A CN 104848421A
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- condenser
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
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Abstract
The invention belongs to the technical field of air conditioners, and particularly relates to a direct expansion heat recovery energy saving method and device. The method mainly includes the complete freezing circulation of a compressor (COM) compression process, a condenser (CON) condensing process, an expansion valve (EXP) throttling process and an evaporator (EVP) evaporation process. The radiating process of the condenser (CON) condensing process is characterized in that at least 2 condensers are connected in series, radiating amount required by a second condenser (CON2) is the radiating amount of a first condenser (CON1) controlled proportionally to accurately control the radiating amount required by the second condenser (CON2). The heat absorption process of the evaporator (EVP) evaporation process is characterized in that at least 2 evaporators are connected, the heat absorbing amount required by the second evaporator (EVP2) is heat absorbing amount of a first evaporator (EVP1) controlled proportionally to accurately control the heat absorbing amount required by a second evaporator (EVP2). Only the compressor (COM) is required to be started, and the method and the discharging device have functions of cooling, dehumidifying and reheating by means of heat recovery.
Description
Technical field
The invention belongs to air-conditioning technical field, particularly the straight swollen heat recovery energy-saving method of one and device.
Background technology
Taiwan is the place of fabric of island-in-sea type weather, and throughout the year, most date is the weather that humidity is larger, and various industry, in order to reach the lifting of product quality or develop the object of high-tech technology, has recognized that the importance of temperature and humidity control.Along with the progress in epoch, various industry is in order to reach the lifting of product quality or develop the object of high-tech technology, its working environment all requires the state of constant temperature and humidity, the many electronic equipments being and for example arranged on data center have circuit board and electronic building brick, if the surrounding environment of data center is too dry, easily produce electrostatic between circuit board and electronic building brick thus cause damage, or surrounding environment is too moist, easily corrosion problem is there is in circuit board and electronic building brick under being in this environment for a long time, therefore such as data center or other working environments all need arrange high efficiency constant-temperature constant-humidity air-conditioner equipment.
The mode of general constant-temperature constant-humidity air-conditioner device processes air is: room air is passed through Cooling and Dehumidifying Coil, make air do cooling and dehumidifying two kinds process simultaneously, until after reaching the dew-point temperature required lower than Temperature and Relative Humidity of Indoor Air, then air-supply is to indoor, and Temperature and Relative Humidity of Indoor Air is reduced simultaneously.But in operation process, indoor air temperature humidity ratio easily first reaches set point.In order to holding temperature is constant, and Cooling and Dehumidifying Coil can continue dehumidifying, therefore after air passes through Cooling and Dehumidifying Coil, heater is set and adds hot-air, make indoor air temperature remain constant, until after indoor air humidity reaches set point, just control the energy of reduction Cooling and Dehumidifying Coil.Utilize electric heating as reheat machine, though its cost is low, but the running electricity charge are wasted very much.So the compressor of the straight swollen constant temperature and humidity system of tradition only has cooling and dehumidification function, reheating and humidification function all must adopt electrothermal heater and electric heating humidifier, add energy resource consumption and waste, and this problems demand solves.
Moreover, traditional heat exchanger heat heat radiation (or heat absorption) is all with the flow of the refrigerant or air (or water) that control this heat exchanger, reach required heat transfer or epidemic disaster condition, such as, control flow and the temperature difference of heat exchanger primary side fluid (refrigerant), to reach required heat exchange amount (high temperature or low temperature), or control flow and the temperature difference of heat exchanger secondary side fluid (water or air), to reach required heat exchange amount (high temperature or low temperature).But because the compressor refrigerant high-pressure side that spues belongs to gases at high pressure, one is that flow is more wayward, and two is when controlling cold medium flux, pressure change, can remote-effects to the running of compressor.
At present conventional heat exchanger heat radiation (or heat absorption) all to control the flow temperature difference of primary side fluid secondary refrigerants such as () bittern, frozen water or hot water of this heat exchanger, reaches required heat transfer or epidemic disaster condition.Because the system of refrigerant is wayward, therefore have the system of secondary refrigerant, such as, freezing bittern system, the ice water system of air-conditioning or hot-water heating system, using secondary refrigerant as the purposes cooled, dehumidify, heat, but system can be more complicated and huge.
Summary of the invention
The object of this invention is to provide a kind of straight swollen heat recovery energy-saving method, mainly include the compression process of compressor, the condensation process of condenser, the throttling process of expansion valve and the complete freeze cycle of the evaporation process of evaporimeter, heat or humidification process in can not affect the normal operation of compressor, and only need to start compressor, by recuperation of heat, cooling, dehumidifying, reheating and humidification function can be had simultaneously.
Another object of the present invention is to provide a kind of straight swollen heat recovery energy-saving device, and link primarily of compressor, condenser, expansion valve and evaporimeter and form complete freeze cycle, this apparatus structure is simple, energy-conserving and environment-protective.
To achieve these goals, the invention provides following technical scheme:
The invention provides a kind of straight swollen heat recovery energy-saving method, mainly comprise the compression process of compressor COM, the condensation process of condenser CON, the throttling process of expansion valve EXP and the complete freeze cycle of evaporation process of evaporimeter EVP.
The radiation processes of condenser CON condensation process is with at least 2 condenser series windings, heat dissipation capacity needed for 2nd condenser CON2 is the heat dissipation capacity that proportion expression controls the 1st condenser CON1, accurately to control the heat dissipation capacity needed for the 2nd condenser CON2,2nd condenser CON2 as the heater of recuperation of heat or humidifier HR, and can not affect the normal operation of compressor COM.
Preferably, the endothermic process of evaporimeter EVP evaporation process is with at least 2 evaporimeter series windings, caloric receptivity needed for 2nd evaporimeter EVP2 is the caloric receptivity that proportion expression controls the 1st evaporimeter EVP1, accurately to control the caloric receptivity needed for the 2nd evaporimeter EVP2,2nd evaporimeter EVP2 is used as cooling and dehumidifying, when the heater of its capacity lower than recuperation of heat, namely there is the heating effect of high temperature, and the normal operation of compressor COM can not be affected.
The invention provides a kind of straight swollen heat recovery energy-saving method, mainly comprise the compression process of compressor COM, the condensation process of condenser CON, the throttling process of expansion valve EXP and the complete freeze cycle of evaporation process of evaporimeter EVP, the endothermic process of evaporimeter EVP evaporation process is with at least 2 evaporimeter series windings, caloric receptivity needed for 2nd evaporimeter EVP2 is the caloric receptivity that proportion expression controls the 1st evaporimeter EVP1, accurately to control the caloric receptivity needed for the 2nd evaporimeter EVP2, 2nd evaporimeter EVP2 is used as cooling and dehumidifying, when the heater of its capacity lower than recuperation of heat, namely the heating effect of high temperature is had, and the normal operation of compressor COM can not be affected.
The invention provides a kind of straight swollen heat recovery energy-saving device, link primarily of compressor COM, condenser CON, expansion valve EXP and evaporimeter EVP and form complete freeze cycle, condenser CON is contacted by the 1st condenser CON1 and the 2nd condenser CON2 and forms, the heat dissipation capacity controlled needed for the 2nd condenser CON2 is the heat dissipation capacity that proportion expression controls the 1st condenser CON1, to reach the heat dissipation capacity accurately controlled needed for the 2nd condenser CON2,2nd condenser CON2 as the heater of recuperation of heat, and can not affect the normal operation of compressor COM.
Preferably, evaporimeter EVP is contacted by the 1st evaporimeter EVP1 and the 2nd evaporimeter EVP2 and forms, caloric receptivity needed for 2nd evaporimeter EVP2 is the caloric receptivity that proportion expression controls the 1st evaporimeter EVP1, accurately to control the caloric receptivity needed for the 2nd evaporimeter EVP2,2nd evaporimeter EVP2 is used as cooling and dehumidifying, when the heater of its capacity lower than recuperation of heat, namely there is the heating effect of high temperature, and the normal operation of compressor COM can not be affected.
Preferably, straight swollen heat recovery energy-saving device also comprises the 3rd condenser CON3 and the 4th condenser CON4 of series winding, 3rd condenser CON3 of this series connection and the 4th condenser CON4 loop of contacting with the 1st condenser CON1 of series winding and the 2nd condenser CON2 two is again in parallel again, and is provided with magnetic valve S to control startup recuperation of heat heating or recuperation of heat humidification function.
Preferably, the 4th condenser CON4 is humidifier HR.
Preferably, humidifier HR includes external water source control device HRA to control humidification water level, high temperature refrigerant pipeline HRB links the high temperature refrigerant of recuperation of heat, warming and humidifying water, produce moisture, compressed air line HRC links air compressor machine, utilizes compressed air to produce bubble, to increase the contact area of air and water, add moisture.
Preferably, straight swollen heat recovery energy-saving device also includes the 2nd compressor COM2, and the 2nd compressor COM2 and compressor COM also connects, then links go back to former freeze cycle loop.
Compared with prior art, beneficial effect of the present invention is:
The present invention is particularly suitable for being applied in the place requiring control of temperature and humidity, heat or humidification process in can not affect the normal operation of compressor, and only need to start compressor, pass through recuperation of heat, can have cooling, dehumidifying, reheating and humidification function, structure is simple, energy-conserving and environment-protective simultaneously.
Accompanying drawing explanation
The freeze cycle pressure-enthalpy chart that Fig. 1 tradition is basic
Fig. 2 freeze cycle pressure-enthalpy chart of the present invention
Fig. 3 embodiment of the present invention 1 device schematic diagram
Fig. 4 embodiment of the present invention 2 device schematic diagram
Fig. 5 embodiment of the present invention 3 device schematic diagram
Fig. 6 humidifier schematic diagram of the present invention
Fig. 7 embodiment of the present invention 4 device schematic diagram
Fig. 8 embodiment of the present invention 5 device schematic diagram
Fig. 9 embodiment of the present invention 5 applies to industrial space schematic diagram
Reference numeral is wherein:
1 body 2 rack outer constant temperature and humidity space 10 device space
Constant temperature and humidity space COM compressor COM2 the 2nd compressor in 11 racks
CON condenser CON1 the 1st condenser CON2 the 2nd condenser
CON3 the 3rd condenser CON4 the 4th condenser EXP expansion valve
EVP evaporimeter EVP1 the 1st evaporimeter EVP2 the 2nd evaporimeter
HC reheating coil pipe CC cooling coil S magnetic valve
HR humidifier HRA external water source control device HRB high temperature refrigerant pipeline
HRC compressed air line HRD air compressor machine SF breeze fan
SA air outlet RA return air inlet
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
The invention provides a kind of straight swollen heat recovery energy-saving method and device, only need to start compressor, by recuperation of heat, cooling, dehumidifying, reheating and humidification function can be had simultaneously.
Traditional basic freeze cycle pressure-enthalpy chart as shown in Figure 1, it includes as seen from the figure:
1. compression process a-b (compressor)
W
c＝G×(h
b-h
a)
2. condensation process b-c (condenser)
Q
c＝G×(h
b-h
c)
3. throttling process c-d (expansion valve)
h
d＝h
c
4. evaporation process d-a (evaporimeter)
Q
e＝G×(h
a-h
d)
The running balance of compressor
Q
c＝Q
e+W
c
If when Qc and Qe is uneven, compressor can because high and low pressure chaser extremely.
Formal notation illustrates:
W
cthe power KJ/S (KW) of=compressor
G=refrigerant mass flowrate KG/S
H=refrigerant enthalpy KJ/KG
Q
cthe heat dissipation capacity KJ/S (KW) of=condenser unit interval
Q
ethe caloric receptivity KJ/S (KW) of=evaporimeter unit interval
Freeze cycle pressure-enthalpy chart of the present invention as shown in Figure 2, it includes as seen from the figure:
1. compression process a-b (compressor)
W
c＝G×(h
b-h
a)
2. condensation process b-c (condenser)
Q
c＝Q
c1+Q
c2
Q
c1＝G(h
b-h
X)＝G
f1×C
f1×ΔT
1
Q
c2＝Q
c-Q
c1＝Q
c-G
f1×C
f1×ΔT
1
Note: Qc=constant under rigid condition, so accurately the value of control Qc1 can the value of accurate control Qc2.
3. throttling process c-d (expansion valve)
h
d＝h
c
4. evaporation process d-a (evaporimeter)
Q
e＝Q
e1+Q
e2
Q
e1＝G(h
Y-h
d)＝G
f2×C
f2×ΔT
2
Q
e2＝Q
e-Q
e1＝Q
e-G
f2×C
f2×ΔT
2
Qe=constant under rigid condition, so accurately the value of control Qe1 can the value of accurate control Qe2.
The running balance of compressor
Q
c＝Q
e+W
c
(Q
c1+Q
c2)＝(Q
e1+Q
e2)+W
c
Qc1 and Qc2, Qe1 and Qe2 oneself forms complementary relation, so synthesis total amount Qc, Qe and Wc balance easily, not easily causes compressor high and low pressure abnormal and chaser.
Formal notation illustrates:
W
cthe power KJ/S (KW) of=compressor
G=refrigerant mass flowrate KG/S
H=refrigerant enthalpy KJ/KG
Q
ctotal heat dissipation capacity KJ/S (KW) of=condenser unit interval
Q
c1the heat dissipation capacity KJ/S (KW) of=condenser 1 unit interval
Q
c2the heat dissipation capacity KJ/S (KW) of=condenser 2 unit interval
G
f1=condenser 1 secondary side fluid (water or air) mass flowrate KG/S
C
f1=condenser 1 secondary side fluid (water or air) specific heat KJ/KG DEG C
Δ T
1the temperature difference DEG C of=condenser 1 secondary side fluid (water or air)
Q
etotal caloric receptivity KJ/S (KW) of=evaporimeter unit interval
Q
e1total caloric receptivity KJ/S (KW) of=evaporimeter 1 unit interval
Q
e2total caloric receptivity KJ/S (KW) of=evaporimeter 2 unit interval
G
f2=evaporimeter 1 secondary side fluid (water or air) mass flowrate KG/S
C
f2=evaporimeter 1 secondary side fluid (water or air) specific heat KJ/KG DEG C
Δ T
2=evaporimeter 1 secondary side fluid (water or air) temperature difference DEG C
Radiation processes of the present invention is contacted with at least 2 condenser CON1 ~ 2, control the heat dissipation capacity Qc2 needed for the 2nd condenser CON2, it not the flow temperature difference of the primary side fluid (refrigerant) of control the 2nd condenser CON2, but proportion expression controls the heat dissipation capacity Qc1 of the 1st condenser CON1, radiation processes namely on Fig. 2 forms X point online, X point can be moved left and right, and then reach the heat dissipation capacity Qc2 accurately controlled needed for the 2nd condenser CON2, that is the heat radiation total amount of freeze cycle condensation process is limited (under rigid condition), heat radiation total amount-heat dissipation capacity=required heat dissipation capacity and Q
c-Q
c1=Q
c2.
Endothermic process of the present invention is contacted with at least 2 evaporimeter EVP1 ~ 2, the caloric receptivity Q needed for the 2nd evaporimeter EVP2
e2, be not the flow temperature difference of the primary side fluid (refrigerant) of control the 2nd evaporimeter EVP2, but proportion expression controls the caloric receptivity Q of the 1st evaporimeter EVP1
e1, the endothermic process namely on the 2nd figure forms Y point online, and Y point can be moved left and right, and then reaches the caloric receptivity Q accurately controlled needed for the 2nd evaporimeter EVP2
e2, that is freeze cycle evaporation process heat absorption total amount is limited (under rigid condition), heat absorption total amount-caloric receptivity=required caloric receptivity and Q
e-Q
e1=Q
e2.
By the straight swollen heat recovery energy-saving method of the known the present invention of above explanation, mainly include the compression process of compressor COM, the condensation process of condenser CON, the throttling process of expansion valve EXP and the complete freeze cycle of evaporation process of evaporimeter EVP.In the present invention, the radiation processes of condenser CON condensation process is with at least 2 condenser series windings, heat dissipation capacity needed for 2nd condenser CON2 is the heat dissipation capacity that proportion expression controls the 1st condenser CON1, accurately to control the heat dissipation capacity needed for the 2nd condenser CON2,2nd condenser CON2 as the heater of recuperation of heat or humidifier, and can not affect the normal operation of compressor COM; The endothermic process of its evaporimeter EVP evaporation process is with at least 2 evaporimeter series windings, caloric receptivity needed for 2nd evaporimeter EVP2 is the caloric receptivity that proportion expression controls the 1st evaporimeter EVP1, accurately to control the caloric receptivity needed for the 2nd evaporimeter EVP2,2nd evaporimeter EVP2 is used as cooling and dehumidifying, when the heater of its capacity lower than recuperation of heat, namely system has the heating effect of high temperature, and can not affect the normal operation of compressor COM.
In order to realize the technological means of above-mentioned purpose of the present invention, enumerate embodiment, and under coordinating graphic explanation:
The present invention is a kind of straight swollen heat recovery energy-saving device, improves the shortcoming of the straight swollen constant temperature and humidity system of tradition, and the compressor of the straight swollen constant temperature and humidity system of tradition only has cooling and dehumidification function, and reheating and humidification function all must adopt electrothermal heater and electric heating humidifier.The present invention only needs to start compressor, by recuperation of heat, can have cooling, dehumidifying, reheating and humidification function simultaneously.
The heat exchanger carried in description of the present invention, the heat exchanger of main finger compressor COM (COMPRESSOR) freeze cycle refrigerant, in basic freeze cycle, only there is the title of evaporimeter EVP (EVAPERATOR), condenser CON (CONDENSER), but evaporimeter, condenser are placed on different positions by the present invention, there is different titles, but its major function (heat exchange) or constant.Such as, cooling coil CC (COOLING COIL) is also evaporimeter (EVP), reheating coil pipe HC (HEATING COIL) is also condenser CON, and humidifier HR (HUMIDIFIER) is also condenser CON.
In description of the present invention the heat exchanger that describes illustrate with ventilation type, namely refrigerant and air carry out heat exchange.If but local or all change water-cooled into, namely refrigerant and water carry out heat exchange, and all functions and principle are also suitable for.
In description of the present invention the ventilation type blower fan major part that describes be illustrate with axial fan.If but local or all change centrifugal fan into, all functions and principle are also suitable for.
Embodiment 1
As shown in Figure 3, known the present embodiment mainly by compressor COM, condenser CON, expansion valve EXP (expansion valve EXPANSION VALVE) and evaporimeter EVP is linked forms complete freeze cycle, wherein: this condenser CON is contacted by the 1st condenser CON1 and the 2nd condenser CON2 to form.The heat dissipation capacity controlled needed for the 2nd condenser CON2 is the heat dissipation capacity that proportion expression controls the 1st condenser CON1, to reach the heat dissipation capacity accurately controlled needed for the 2nd condenser CON2,2nd condenser CON2 as the heater of recuperation of heat, and can not affect the normal operation of compressor COM.That is only need to start compressor, by recuperation of heat, cooling, dehumidifying, heating function can be had simultaneously.Be applicable to the industry that food low-temperature drying process, warehouse etc. need low humidity constant temperature (comparatively low temperature).The above-mentioned 2nd condenser CON2 of the present embodiment can be reheating coil pipe HC, and evaporimeter EVP can be cooling coil CC.
Embodiment 2
As shown in Figure 4, the present embodiment evaporimeter EVP is contacted by the 1st evaporimeter EVP1 and the 2nd evaporimeter EVP2 to form.The present embodiment heat dissipation capacity controlled needed for the 2nd condenser CON2 is the heat dissipation capacity that proportion expression controls the 1st condenser CON1, to reach the heat dissipation capacity accurately controlled needed for the 2nd condenser CON2, 2nd condenser CON2 is as the heater of recuperation of heat, and the normal operation of compressor can not be affected, caloric receptivity needed for 2nd evaporimeter EVP2 is the caloric receptivity that proportion expression controls the 1st evaporimeter EVP1, accurately to control the caloric receptivity needed for the 2nd evaporimeter EVP2, 2nd evaporimeter EVP2 is used as cooling and dehumidifying, when the heater of its capacity lower than recuperation of heat, namely system has the heating effect of high temperature, and the normal operation of compressor can not be affected.That is only need to start compressor, by recuperation of heat, cooling, dehumidifying, heating function can be had simultaneously.Be applicable to the industry that food low-temperature drying process etc. needs low humidity constant temperature (higher temperatures).The present embodiment the 2nd evaporimeter EVP2 is cooling coil CC.
Embodiment 3
As shown in Figure 5, an alternative embodiment of the invention comprises the 3rd condenser CON3 and the 4th condenser CON4 of series winding, 3rd condenser CON3 of this series connection and the 4th condenser CON4 loop of contact with the 1st condenser CON2 of series winding and the 2nd condenser CON2 two is again in parallel again, and is provided with magnetic valve S (magnetic valve SOLENOID VALVE) and is used for control startup recuperation of heat heating or recuperation of heat humidification function.That is only need to start compressor, by recuperation of heat, cooling, dehumidifying, heating, humidification function can be had simultaneously.Be applicable to the industry that computer room, electronics industry constant temperature and humidity machine, lost wax casting shell mould drying process etc. need constant temperature and humidity.
The above-mentioned 4th condenser CON4 of the present embodiment is humidifier HR, as shown in Figure 6, this humidifier HR includes external water source control device HRA to control humidification water level, high temperature refrigerant pipeline HRB links the high temperature refrigerant of recuperation of heat, warming and humidifying water, produces moisture, compressed air line HRC links air compressor machine HRD, utilize compressed air to produce bubble, to increase the contact area of air and water, add moisture.
The calculating of the present embodiment above-mentioned recuperation of heat humidifier humidifies amount: at an open water tank, water is from the evaporation of water surface, depend on the humidity ratio in saturated humidity ratio corresponding to water temperature, air, the contact area (containing horizontal plane and underwater) of air and water, and the speed of air on surface.The amount of the water of evaporation can be expressed as:
G
h＝(θA
1+C
3A
2)(X
s-X)
Formula illustrates:
The amount (kg/hour) of the water of Gh=evaporation per hour
θ=(C1+C2V)=evaporation coefficient (kg/m
2h)
C1=constant (without unit) is under rigid condition
C2=constant (without unit) is under rigid condition
C3=constant (kg/m
2h) under rigid condition
V=is in the speed (m/s) of water surface upper air
Contact area (the m of air and water on A1=horizontal plane
2)
Contact area (the m of microbubble air and water under A2=horizontal plane
2)
Xs=is in the humidity ratio (kg/kg) of the saturated air water of this water temperature
Humidity ratio (kg/kg) in X=air
Note! This unit θ (kg/m
2h), V (m/s) does not mate, because this is the result of an empirical equation-experiment.
Embodiment 4
As shown in Figure 7, another embodiment of the present invention comprises the 2nd compressor COM2, and the 2nd compressor COM2 system and compressor COM also connect, then link go back to former freeze cycle loop.The present embodiment is water-cooled double-compressor heat reclamation device, only needs to start compressor, by recuperation of heat, can have cooling, dehumidifying, heating, humidification function simultaneously.Be applicable to the industry that computer room, electronics industry constant temperature and humidity machine, lost wax casting shell mould drying process etc. need constant temperature and humidity.
Embodiment 5
As shown in Figure 8, another embodiment of the present invention comprises the 3rd condenser CON3 and the 4th condenser CON4 of series winding, 3rd condenser CON3 of this series connection and the 4th condenser CON4 loop of contact with the 1st condenser CON2 of series winding and the 2nd condenser CON2 two is again in parallel again, and is provided with magnetic valve S and is used for control startup recuperation of heat heating or recuperation of heat humidification function.Only need to start compressor, by recuperation of heat, cooling, dehumidifying, heating, humidification function can be had simultaneously.Be applicable to the industry that computer room, electronics industry constant temperature and humidity machine, three temperature hot-air bath spaces, lost wax casting shell mould drying process etc. need constant temperature and humidity.
Practice of the present invention is in industrial space, for Fig. 9, the present invention also comprises body 1, body 1 has separated constant temperature and humidity space 11 in the device space 10 and rack, to arrange the above-mentioned each assembly of the present invention, also comprise the outer constant temperature and humidity space 2 of rack, in rack, constant temperature and humidity space 11 is provided with the air outlet SA that breeze fan SF links the outer constant temperature and humidity space 2 of rack, the another tool return air inlet RA in the outer constant temperature and humidity space 2 of rack links constant temperature and humidity space 11 in rack, to apply to each industry.
The present invention is the epidemic disaster condition be directly accurately recycled into by the high temperature of refrigerant needed for system, replaces EHE adopted in the market or EHU completely.Market perhaps has other different recuperation of heat modes (Heat Pump of such as heat accumulating type reclaims), but present system is simple, control is stable and simple and easy, can be described as optimal selection for directly swollen constant temperature or constant humidity system.
The above embodiment of the present invention is only conveniently understood, the above-mentioned the most basic circulatory system only describing single hop compression single hop and expand, if be applied to multiple compressors parallel system, multi-stage compressor system, refrigerant loop parallel system, multistage expansion system or repeatedly first coolant system, above-mentioned operation principle is also applicable, does not repeat to repeat at this.
Above-described embodiment; be only the preferred possible embodiments of the present invention, and be not used to arrest limit protection scope of the present invention, those skilled in the art; the equivalent structure change of using description of the present invention and claims to do, ought to be included in scope of patent protection of the present invention.
Claims (10)
1. a straight swollen heat recovery energy-saving method, mainly comprise the compression process of compressor (COM), the condensation process of condenser (CON), the complete freeze cycle of the throttling process of expansion valve (EXP) and the evaporation process of evaporimeter (EVP), it is characterized in that: the radiation processes of described condenser (CON) condensation process has been contacted with at least 2 condensers, heat dissipation capacity needed for 2nd condenser (CON2) is the heat dissipation capacity that proportion expression controls the 1st condenser (CON1), accurately to control the heat dissipation capacity needed for the 2nd condenser (CON2), the heater that 2nd condenser (CON2) is recuperation of heat or humidifier (HR), and the normal operation of compressor (COM) can not be affected.
2. a straight swollen heat recovery energy-saving method, mainly comprise the compression process of compressor (COM), the condensation process of condenser (CON), the complete freeze cycle of the throttling process of expansion valve (EXP) and the evaporation process of evaporimeter (EVP), it is characterized in that: the endothermic process of described evaporimeter (EVP) evaporation process has been contacted with at least 2 evaporimeters, caloric receptivity needed for 2nd evaporimeter (EVP2) is the caloric receptivity that proportion expression controls the 1st evaporimeter (EVP1), accurately to control the caloric receptivity needed for the 2nd evaporimeter (EVP2), 2nd evaporimeter (EVP2) is used as cooling and dehumidifying, when the heater of its capacity lower than recuperation of heat, namely the heating effect of high temperature is had, and the normal operation of compressor (COM) can not be affected.
3. straight swollen heat recovery energy-saving method as claimed in claim 1, it is characterized in that: the endothermic process of described evaporimeter (EVP) evaporation process has been contacted with at least 2 evaporimeters, caloric receptivity needed for 2nd evaporimeter (EVP2) is the caloric receptivity that proportion expression controls the 1st evaporimeter (EVP1), accurately to control the caloric receptivity needed for the 2nd evaporimeter (EVP2), 2nd evaporimeter (EVP2) is used as cooling and dehumidifying, when the heater of its capacity lower than recuperation of heat, namely the heating effect of high temperature is had, and the normal operation of compressor (COM) can not be affected.
4. a straight swollen heat recovery energy-saving device, primarily of compressor (COM), condenser (CON), expansion valve (EXP) and evaporimeter (EVP) link the complete freeze cycle formed, it is characterized in that: described condenser (CON) is contacted by the 1st condenser (CON1) and the 2nd condenser (CON2) and formed, the heat dissipation capacity controlled needed for the 2nd condenser (CON2) is the heat dissipation capacity that proportion expression controls the 1st condenser (CON1), to reach the heat dissipation capacity accurately controlled needed for the 2nd condenser (CON2), 2nd condenser (CON2) is as the heater of recuperation of heat, and the normal operation of compressor (COM) can not be affected.
5. straight swollen heat recovery energy-saving device as claimed in claim 4, it is characterized in that: described evaporimeter (EVP) is contacted by the 1st evaporimeter (EVP1) and the 2nd evaporimeter (EVP2) and formed, caloric receptivity needed for 2nd evaporimeter (EVP2) is the caloric receptivity that proportion expression controls the 1st evaporimeter (EVP1), accurately to control the caloric receptivity needed for the 2nd evaporimeter (EVP2), 2nd evaporimeter (EVP2) is used as cooling and dehumidifying, when the heater of its capacity lower than recuperation of heat, namely the heating effect of high temperature is had, and the normal operation of compressor (COM) can not be affected.
6. straight swollen heat recovery energy-saving device as claimed in claim 4, it is characterized in that: described straight swollen heat recovery energy-saving device also comprises the 3rd condenser (CON3) and the 4th condenser (CON4) of series winding, 3rd condenser (CON3) of this series connection and the 4th condenser (CON4) loop of contacting with the 1st condenser (CON1) of series winding and the 2nd condenser (CON2) 2 is again in parallel again, and is provided with magnetic valve (S) to control startup recuperation of heat heating or recuperation of heat humidification function.
7. straight swollen heat recovery energy-saving device as claimed in claim 6, is characterized in that: described 4th condenser (CON4) is humidifier (HR).
8. straight swollen heat recovery energy-saving device as claimed in claim 7, it is characterized in that: described humidifier (HR) includes external water source control device (HRA) and controls humidification water level, high temperature refrigerant pipeline (HRB) links the high temperature refrigerant of recuperation of heat, warming and humidifying water, produce moisture, compressed air line (HRC) links air compressor machine, utilizes compressed air to produce bubble, to increase the contact area of air and water, add moisture.
9. straight swollen heat recovery energy-saving device as claimed in claim 6, it is characterized in that: described straight swollen heat recovery energy-saving device also includes the 2nd compressor (COM2), 2nd compressor (COM2) and compressor (COM) also connect, then link go back to former freeze cycle loop.
10. straight swollen heat recovery energy-saving device as claimed in claim 5, it is characterized in that: described straight swollen heat recovery energy-saving device also comprises the 3rd condenser (CON3) and the 4th condenser (CON4) of series winding, 3rd condenser (CON3) of this series connection and the 4th condenser (CON4) loop of contacting with the 1st condenser (CON1) of series winding and the 2nd condenser (CON2) 2 is again in parallel again, and is provided with magnetic valve (S) to control startup recuperation of heat heating or recuperation of heat humidification function.
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| CN201510251463.XA CN104848421A (en) | 2015-05-18 | 2015-05-18 | Direct expansion heat recovery energy saving method and device |
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