CN106839518A - The double cold and hot pump assemblys of integral type - Google Patents
The double cold and hot pump assemblys of integral type Download PDFInfo
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- CN106839518A CN106839518A CN201710169613.1A CN201710169613A CN106839518A CN 106839518 A CN106839518 A CN 106839518A CN 201710169613 A CN201710169613 A CN 201710169613A CN 106839518 A CN106839518 A CN 106839518A
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- heat exchanger
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- hot pump
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- 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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
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- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of double cold and hot pump assemblys of integral type, refrigeration and/or heating recycle system are included, including be sequentially connected in series compressor, oil eliminator, air cooling heat exchanger, double cool condensers, two-way expansion throttling device, user side heat exchanger together.The present invention is by double cool condensers, air cooling heat exchanger, collection refrigeration and/or heats circulation, chilled water Hydraulic Power System, water treatment system, centralized control system and becomes one, and has the advantages that compact conformation, energy-efficient, convenient installs and maintenance and low cost of manufacture.Meanwhile, solving the problems, such as that winter heating's air cooling heat exchanger defrosting influence heating capacity and power consumption are big, not only defrost small power consumption, defrosting time are short, and can be cleared by water in time, and heat supply is recovered as early as possible.
Description
Technical field
The present invention relates to air-conditioner set technical field, more particularly, to a kind of double cold and hot pump assemblys of integral type.
Background technology
At present, the integrated heat pump unit of in the market, be by chiller unit, evaporative condenser, air cooling heat exchanger,
Four-way reversing valve, cooling pump and pipeline and control device integrate.Changed using air-cooled by four-way reversing valve during winter heating
Hot device is used as evaporator.When ambient temperature is too low, the surface meeting frosting of air cooling heat exchanger reduces heat transfer effect, causes to heat
Amount reduces, or even unit cannot normally start.Now it is necessary to pass through four-way valve reverse cycle defrosting.So, not only can not be to interior
Heat is provided, heating operation efficiency can be have impact on from indoor absorption heat on the contrary, causes water temperature to reduce, and four-way valve is frequent
Commutation can influence its reliability and life-span.Because air cooling heat exchanger is positioned in evaporative condenser, hot and humid for a long time
In environment, the erosion fin of steam infiltration, microorganism and acid-base medium can be corroded.In addition, air-conditioner host equipment manufacturer is past
Toward an offer heat pump host machine part, and Hydraulic Power System part is equipped with and is installed by engineering company's type selecting of specialty mostly.Due to not
Had differences with producer's host computer control part, therefore source pump is difficult to be had with the control of the actual air-conditioning water circuit system of user
Effect matching, makes whole air-conditioning system be unable to reach optimal running status, it is also difficult to ensure that air-conditioner host is transported under peak efficiency
OK.
The content of the invention
It is an object of the invention to provide a kind of double cold and hot pump assemblys of integral type, it has, and degree of integration is high, energy-efficient, remove
White speed is fast, easy for installation and the characteristics of safe and reliable system.
The technical solution adopted in the present invention is：The double cold and hot pump assemblys of integral type, include refrigeration and/or heat cyclic system
System, including it is sequentially connected in series compressor, oil eliminator, air cooling heat exchanger, double cool condensers, two-way expansion throttling dress together
Put, user side heat exchanger.
The cooling cycle system is：The exhaust outlet of the compressor is connected to the air inlet of the oil eliminator, and the oil is separated
The exhaust outlet of device passes sequentially through one the 3rd valve, the air cooling heat exchanger, one the 4th magnetic valve and is connected to entering for this pair of cool condenser
Mouthful, the outlet of this pair of cool condenser passes sequentially through a reservoir, one the 7th valve, a device for drying and filtering, a liquid-sighting glass and is connected to
The a port of the two-way expansion throttling device, another port of the two-way expansion throttling device is connected by one first valve
To the entrance of the user side heat exchanger, the outlet of the user side heat exchanger is connected to the air-breathing of the compressor by one the 6th valve
Mouthful, and the outlet of the air cooling heat exchanger is connected to the entrance of the reservoir by one the 3rd magnetic valve；
The heating recycle system is：The exhaust outlet of the compressor is connected to the air inlet of the oil eliminator, the oil eliminator
Exhaust outlet passes sequentially through one second valve, one the 6th magnetic valve and is connected to the entrance of the user side heat exchanger, user side heat exchange
The outlet of device pass sequentially through a filter, one second magnetic valve, a check valve, the two-way expansion throttling device, the liquid-sighting glass, should
Device for drying and filtering, one the 8th valve are connected to the entrance of the air cooling heat exchanger, and the outlet of the air cooling heat exchanger passes sequentially through one
Four valves, a gas-liquid separator, one the 5th valve are connected to the air entry of the compressor, and the oil eliminator exhaust outlet successively
The two-way expansion throttling device is connected to by second valve, one the 5th magnetic valve, one of the two-way expansion throttling device
Port passes sequentially through one first magnetic valve, a choke valve and is connected with another port of the two-way expansion throttling device.
Described pair of cool condenser includes underlying water tank and spray equipment above, and the spray equipment is by string
The spray water-circulating pump being linked togather and a hydrotreater are communicated to the water tank, meanwhile, spray equipment lower section is from top to bottom
Cooling coil, homogenizing plate, filler are sequentially provided with, and, this pair of top of cool condenser is located above the spray equipment and is provided with
One condenser fan, condenser fan lower section is provided with water collection device.
The water tank is furnished with the first automatic water-replenishing device, overflow pipe, automatic sewage discharging device and online scale absorption device used in, together
When, the entrance of the cooling coil is connected by the 4th magnetic valve with the outlet of the air-cooled condenser, the outlet of the cooling coil
It is connected with the entrance of the reservoir.
The double cold and hot pump assemblys of the integral type also include chilled water Hydraulic Power System, and the chilled water Hydraulic Power System includes a string
Union road, the series pipe includes freezing water inlet and freezing delivery port, is gone here and there between the freezing water inlet and freezing delivery port
A water treatment facilities, a chilled water circulating pump, the user side heat exchanger and a check-valves are associated with, meanwhile, on the series pipe
The second automatic water-replenishing device and level pressure expansion drum are provided with, the level pressure expansion drum is provided with adjustable safety valve, and the user side is changed
Hot device is provided with automatic exhaust steam valve, and, the freezing water inlet is by the delivery port of one first clamp connection to user terminal, this is cold
Freeze delivery port to be connected with the water inlet of user terminal by one second clip.
The freezing water outlet of the chilled water Hydraulic Power System is provided with a frost prevention switch and water-carrying capacity switch.
The double cold and hot pump assemblys of the integral type also include control device.
All parts of the double cold and hot pump assemblys of the integral type are positioned in an outer container, and use modularized design.
The air cooling heat exchanger is arranged in the lower section of double cool condensers, and air cooling heat exchanger front is provided with heat exchange blower fan.
The user side heat exchanger is falling-film heat exchanger.
The advantage of the double cold and hot pump assemblys of integral type of the invention is：
1）By double cool condensers, air cooling heat exchanger, collection refrigeration and/or heat circulation, chilled water Hydraulic Power System, water treatment system,
Centralized control system becomes one, with compact conformation, it is energy-efficient, convenient install and safeguard and low cost of manufacture it is excellent
Point.And the raising of degree of integration, the floor space of equipment is greatly saved, has shortened construction period and has reduced investment operating cost.
2）Solve the problems, such as that winter heating's air cooling heat exchanger defrosting influence heating capacity and power consumption are big, not only defrost power consumption
Small, defrosting time is short, and can be cleared by water in time, and heat supply is recovered as early as possible.Meanwhile, original hot water temperature can be maintained during defrosting
Degree, is avoided that unnecessary energy loss, serves good energy-saving effect, improves the comprehensive energy efficiency of unit.And, system
Simply, efficiency high, long service life and control precisely, enables the operation of unit long-term safety efficient stable.
3）Air cooling heat exchanger is arranged in the lower section of double cool condensers, it is to avoid Hot wet air heating, solves air cooling heat exchanger
The problem that can be corroded, and modularized design is employed, facilitate unit to transport and install.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples：
Fig. 1 is the workflow schematic diagram of the double cold and hot pump assemblys of integral type of embodiments of the invention；
Fig. 2 is the structural representation of the double cold and hot pump assemblys of integral type of embodiments of the invention.
In figure：
1st, compressor；
2nd, oil eliminator；
3rd, air cooling heat exchanger；
4th, double cool condensers；
5th, reservoir；
6th, two-way expansion throttling device；
7th, user side heat exchanger；
8th, gas-liquid separator；
9th, chilled water Hydraulic Power System；
10th, heat exchange blower fan；
11st, condenser fan；
12nd, homogenizing plate；
13rd, filler；
14th, water collection device；
15th, device for drying and filtering；
16th, liquid-sighting glass；
17th, the first magnetic valve；
18th, choke valve；
19th, the first valve；
20th, check valve；
21st, the second magnetic valve；
22nd, filter；
23rd, the second valve；
24th, the 3rd valve；
25th, the 4th valve；
26th, the 5th valve；
27th, the 6th valve；
28th, the 7th valve；
29th, the 8th valve；
30th, the 3rd magnetic valve；
31st, the 4th magnetic valve；
32nd, the 5th magnetic valve；
33rd, the 6th magnetic valve；
34th, automatic sewage discharging device；
35th, the first automatic water-replenishing device；
36th, spray equipment；
37th, outer container；
38th, water-circulating pump is sprayed；
39th, automatic exhaust steam valve；
40th, the first clip；
41st, water treatment facilities；
42nd, level pressure expansion drum；
43rd, chilled water circulating pump；
44th, check-valves；
45th, the second clip；
46th, the second automatic water-replenishing device；
47th, frost prevention switch；
48th, water-carrying capacity switch；
49th, control device；
50th, adjustable safety valve；
51st, overflow pipe；
52nd, water tank；
53rd, online scale absorption device used in；
54th, cooling coil.
Specific embodiment
Embodiment, as shown in Fig. 1 and Fig. 2：The double cold and hot pump assemblys of integral type, include refrigeration and/or heating recycle system.
The double cold and hot pump assemblys of the integral type can individually include cooling cycle system, or individually have heating recycle system, Huo Zhetong
When have refrigeration and heating recycle system.Specifically, the double cold and hot pump assemblys of the integral type include being sequentially connected in series pressure together
Contracting machine 1, oil eliminator 2, air cooling heat exchanger 3, double cool condensers 4, two-way expansion throttling device 6, user side heat exchanger 7.The wind
Cold heat exchanger 3 necessarily has heat exchange blower fan 10.
Wherein：
The cooling cycle system is：The exhaust outlet of the compressor 1 is connected to the air inlet of the oil eliminator 2, the oil eliminator 2
Exhaust outlet passes sequentially through one the 3rd valve 24, the air cooling heat exchanger 3, one the 4th magnetic valve 31 and is connected to this pair of cool condenser 4
Entrance；The outlet of this pair of cool condenser 4 passes sequentially through a reservoir 5, one the 7th valve 28, a device for drying and filtering 15, and regards liquid
Mirror 16 is connected to a port of the two-way expansion throttling device 6；Another port of the two-way expansion throttling device 6 passes through one
First valve 19 is connected to the entrance of the user side heat exchanger 7；The outlet of the user side heat exchanger 7 is connected by one the 6th valve 27
It is connected to the air entry of the compressor 1；The outlet of the air cooling heat exchanger 3 is connected to the reservoir 5 by one the 3rd magnetic valve 30
Entrance.In this way, in refrigeration, the liquid refrigerant in the user side heat exchanger 7 absorbs heat, is evaporated to gaseous refrigerant, by
The air entry of compressor 1 becomes gases at high pressure into compressor 1, is then discharged out carrying out Oil-gas Separation to oil eliminator 2,
The liquid refrigerant of high pressure, or warp are condensed into air cooling heat exchanger 3 by the gases at high pressure after the Oil-gas Separation of oil eliminator 2
The gases at high pressure crossed after the Oil-gas Separation of oil eliminator 2 are condensed into the liquid of high pressure by air cooling heat exchanger 3 into double cool condensers 4
State refrigerant, is then changed into low-pressure, liquid refrigerant and returns to the user side and change by reservoir 5, two-way expansion throttling device 6
In hot device 7, above procedure circularly cooling again and again.Meanwhile, when ambient temperature changes, by automatically controlling the 3rd electromagnetism
Valve 30, the 4th magnetic valve 31 are turned on and off, and are capable of achieving unit Effec-tive Function.During winter, the 3rd magnetic valve 30 can be opened, closed
The 4th magnetic valve 31 is closed, year round cooling function is realized.
The heating recycle system is：The exhaust outlet of the compressor 1 is connected to the air inlet of the oil eliminator 2；The oil is separated
The exhaust outlet of device 2 passes sequentially through the entrance that one second valve 23, one the 6th magnetic valve 33 are connected to the user side heat exchanger 7；Should
The outlet of user side heat exchanger 7 passes sequentially through a filter 22, one second magnetic valve 21, a check valve 20, the two-way expansion joint
Stream device 6, the liquid-sighting glass 16, the device for drying and filtering 15, one the 8th valve 29 are connected to the entrance of the air cooling heat exchanger 3；The wind
The outlet of cold heat exchanger 3 passes sequentially through one the 4th valve 25, a gas-liquid separator 8, one the 5th valve 26 and is connected to the compressor 1
Air entry；The exhaust outlet of the oil eliminator 2 passes sequentially through second valve 23, that one the 5th magnetic valve 32 is connected to this is two-way swollen
Swollen throttling arrangement 6；The a port of the two-way expansion throttling device 6 pass sequentially through one first magnetic valve 17, a choke valve 18 with
Another port of the two-way expansion throttling device 6 is connected.
In this way, when heating, the liquid refrigerant in the air cooling heat exchanger 3 absorbs the heat in outer gas, is evaporated to gaseous state
Refrigerant, after gas-liquid separator 8 carries out gas-liquid separation, HTHP is become by the air entry suction inside of compressor 1
Gas, is then entered in user side heat exchanger 7 by the second valve 23, the 6th magnetic valve 33, cold by the cold water from user terminal
But it is the liquid refrigerant of high pressure, wherein the heat transfer being pulled away feeds water, the water outlet of user terminal is just changed into hot water, then liquid
Refrigerant is changed into low-pressure, liquid refrigerant by filter 22, the second magnetic valve 21, check valve 20 into expansion throttling device 6,
Low-pressure, liquid refrigerant is returned in air cooling heat exchanger 3 by the 8th valve 29, so that circulation is heated again and again.
Meanwhile, such as when the pressure for detecting the entrance of compressor 1 by controller is less than low pressure threshold, then open the 5th electricity
Magnet valve 32, the first magnetic valve 17, close the 6th magnetic valve 33, the second magnetic valve 21 so that the HTHP gas of the discharge of compressor 1
Body by after the 5th magnetic valve 32, while into expansion throttling device 6, the first magnetic valve 17 and choke valve 18, using compressor 1
The frost on the surface of air cooling heat exchanger 3 is melted removal by the high temperature refrigerant of discharge, then makes refrigerant air-liquid by gas-liquid separator 8
Separate, gaseous refrigerant is sucked by the air entry of the compressor 1.The pressure of the entrance of compressor 1 is such as detected by controller
When reaching low pressure threshold, then the 6th magnetic valve 33, the second magnetic valve 21 are opened, close the 5th magnetic valve 32, the first magnetic valve 17,
Complete whole defrosting process.During defrosting, opened or closed by controlling the 6th magnetic valve 33, the second magnetic valve 21,
The behavior in service of unit safety and stability can be lifted, the defect that Defrost method in the prior art is brought is solved.That is, logical
Cross second valve 23, the 3rd valve 24, the 4th valve 25, the 5th valve 26, the 6th valve 27, the 7th valve 28 and the 8th valve
The simple switching of door 29 just completes the conversion of refrigeration and heating condition.
In the present embodiment, the entrance and exit of the air cooling heat exchanger 3 does not have strict restriction, simply the air-cooled heat exchange
The interconnected port of a pair of device 3.Similarly, the entrance and exit of the user side heat exchanger 7 simply should also without strict restriction
The interconnected port of a pair of user side heat exchanger 7.
Optimization：
This pair of cool condenser 4 includes underlying water tank 52 and spray equipment 36 above.The spray equipment 36 passes through
One spray water-circulating pump 38 is communicated to the water tank 52.Meanwhile, the lower section of spray equipment 36 is sequentially provided with cooling coil from top to bottom
54th, homogenizing plate 12, filler 13.And, this pair of top of cool condenser 4 is provided with a condensating wind positioned at the top of the spray equipment 36
Fan 11, the lower section of condenser fan 11 is provided with water collection device 14.That is, the spray water-circulating pump 38 draws water from water tank 52 and sends into spray dress
Put 36, spray equipment 36 will spray Water spray to the surface of cooling coil 54 to form the thin water film of continuous uniform, cooling coil
Be compressor 1 in 54 by the high-temperature high-pressure refrigerant discharged after the cooling of air cooling heat exchanger 3, cooling coil 54 it is outer for thin water film and
The forced convection of condenser fan 11 cooling air from top to bottom, the refrigerant in cooling coil 54 is by the thin water film and cooling air
Carry out hot and humid area.Unevaporated shower water flows into filler 13 by uniform after homogenizing plate 12, empty with the cooling that side flows through
Gas is exchanged heat in filler 13, and condenser fan 11 extracts the saturated moist air in cooling coil 54 and filler 13 out, and passes through
Water collection device 14 is entered in air from the outlet of top condenser fan 11.Shower water after cooled enters in water tank 52, then through spray
Water-circulating pump 38 proceeds circulation.For the fin for avoiding air cooling heat exchanger can be air-cooled by this by hot and humid air corrosion
Heat exchanger 3 is arranged in this pair of lower section of cool condenser 4, employs modularized design, facilitates unit to transport and install.
The outlet of cooling coil 54 is connected with the entrance of reservoir 5.Because the high-temperature high-pressure refrigerant of the discharge of compressor 1 is first passed through
Air cooling heat exchanger 3 enters back into cooling coil 54 and carries out hot and humid area with shower water and cooling air after lowering the temperature, hence in so that condensation
Temperature is lower, and heat exchange efficiency is higher.
The water tank 52 is filled equipped with the first automatic water-replenishing device 35, overflow pipe 51, automatic sewage discharging device 34 and online dirt of inhaling
Put 53.That is, the water for being evaporated in condensation process is given and supplemented automatically by first automatic water-replenishing device 35.Meanwhile, the cooling
The entrance of coil pipe 54 is connected by the 4th magnetic valve 31 with the outlet of the air-cooled condenser 3, the outlet of the cooling coil 54 with
The entrance of the reservoir 5 is connected.
Continue to optimize：
The double cold and hot pump assemblys of the integral type also include chilled water Hydraulic Power System 9.The chilled water Hydraulic Power System 9 includes a tandem tube
Road, the series pipe includes freezing water inlet and freezing delivery port.It is in series between the freezing water inlet and freezing delivery port
One water treatment facilities 41, a chilled water circulating pump 43, the check-valves 44 of user side heat exchanger 7 and.That is, the chilled water waterpower
The Main Function of system 9 is after the chilled water after heat cooling will be discharged in user side heat exchanger 7 or heat intensification is absorbed
Chilled water is transported to user terminal, and the check-valves 44 can avoid the runner pipe of chilled water Hydraulic Power System 9 from falling for circulation liquid occur
Stream.Meanwhile, the series pipe is provided with the second automatic water-replenishing device 46 and level pressure expansion drum 42, and the level pressure expansion drum 42 is provided with
Adjustable safety valve 50, and the user side heat exchanger 7 is provided with automatic exhaust steam valve 39.The level pressure expansion drum 42 is used to freeze water system
Play compensator or trimmer pressure fluctuation in system and absorb part to feed water, for eliminating working media because of the increased part body of temperature change
Product；The adjustable safety valve 50 is used to discharge the pressure in chilled water system；The automatic exhaust steam valve 39 is used to discharge freezing water system
The gas produced in system.Three parts such as the level pressure expansion drum 42, adjustable safety valve 50, automatic exhaust steam valve 39 play guarantee
The effect of system safety operation.
The freezing water inlet is connected to the delivery port of user terminal, the freezing delivery port by one the by one first clip 40
Two clips 45 are connected with the water inlet of user terminal.First clip 40, the second clip 45 have anti-vibration, anti-shrink and expansion
Ability, compared with welding and flange are connected, can improve the stability of pipe-line system, and attended operation is simple, is easy to follow-up dimension
Shield, and man-hour can be saved.
The freezing water outlet of chilled water Hydraulic Power System 9 is provided with a frost prevention switch 47 and water-carrying capacity switch 48.This is antifreeze
Switch 47 and water-carrying capacity switch 48 are mainly used in providing detection signal, and detected signal can be transmitted to following control and filled
Put 49.
The process of circulation of circulation liquid is in the chilled water Hydraulic Power System 9：Unit chilled water water inlet passes through water treatment facilities
41st, level pressure expansion drum 42, chilled water circulating pump 43, user side heat exchanger 7 and check-valves 44 are connected to the delivery port of chilled water.
In addition：
The double cold and hot pump assemblys of the integral type also include control device 49.The control device 49 respectively with frost prevention switch 47, current
Amount switch 48, chilled water circulating pump 43, spray water-circulating pump 38, condenser fan 11, heat exchange blower fan 10 are connected with compressor 1.Should
Control device 49, can also be according to frost prevention switch 47, water-carrying capacity switch 48 in addition to conventional control compressor 1 presses load start and stop
The signal of transmission, start and stop and protection to chilled water circulating pump 43 are controlled, with the demand that adaptive system cooling and heating load changes.
All parts of the double cold and hot pump assemblys of the integral type are positioned in an outer container 37, and preferably with modularized design,
To reach highly integrated effect.
The air cooling heat exchanger 3 is preferably arranged within the lower section of double cool condensers 4, and the front of air cooling heat exchanger 3 is preferably provided with and changes
Air-heater 10.
The user side heat exchanger 7 is preferably with falling-film heat exchanger.
The preferred embodiments of the present invention are the foregoing is only, the scope of the claims of the invention, every utilization is not thereby limited
Equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, be included within the scope of the present invention.
Claims (9)
1. the double cold and hot pump assemblys of integral type, include refrigeration and/or heating recycle system, including be sequentially connected in series compression together
Machine（1）, oil eliminator（2）, air cooling heat exchanger（3）, double cool condensers（4）, two-way expansion throttling device（6）, user side heat exchange
Device（7）, it is characterised in that：
The cooling cycle system is：The compressor（1）Exhaust outlet be connected to the oil eliminator（2）Air inlet, the oil
From device（2）Exhaust outlet pass sequentially through one the 3rd valve（24）, the air cooling heat exchanger（3）, one the 4th magnetic valve（31）It is connected to
This pair of cool condenser（4）Entrance, this pair of cool condenser（4）Outlet pass sequentially through a reservoir（5）, one the 7th valve
（28）, a device for drying and filtering（15）, a liquid-sighting glass（16）It is connected to the two-way expansion throttling device（6）A port, this pair
To expansion throttling device（6）Another port pass through one first valve（19）It is connected to the user side heat exchanger（7）Entrance,
The user side heat exchanger（7）Outlet pass through one the 6th valve（27）It is connected to the compressor（1）Air entry, and this air-cooled changes
Hot device（3）Outlet pass through one the 3rd magnetic valve（30）It is connected to the reservoir（5）Entrance；
The heating recycle system is：The compressor（1）Exhaust outlet be connected to the oil eliminator（2）Air inlet, the oil
From device（2）Exhaust outlet pass sequentially through one second valve（23）, one the 6th magnetic valve（33）It is connected to the user side heat exchanger（7）
Entrance, the user side heat exchanger（7）Outlet pass sequentially through a filter（22）, one second magnetic valve（21）, a check valve
（20）, the two-way expansion throttling device（6）, the liquid-sighting glass（16）, the device for drying and filtering（15）, one the 8th valve（29）It is connected to
The air cooling heat exchanger（3）Entrance, the air cooling heat exchanger（3）Outlet pass sequentially through one the 4th valve（25）, a gas-liquid separation
Device（8）, one the 5th valve（26）It is connected to the compressor（1）Air entry, and the oil eliminator（2）Exhaust outlet pass sequentially through
Second valve（23）, one the 5th magnetic valve（32）It is connected to the two-way expansion throttling device（6）, the two-way expansion throttling device
（6）A port pass sequentially through one first magnetic valve（17）, a choke valve（18）With the two-way expansion throttling device（6）It is another
A port is connected.
2. double cold and hot pump assemblys of integral type according to claim 1, it is characterised in that：Described pair of cool condenser（4）Including
Underlying water tank（52）With spray equipment above（36）, the spray equipment（36）By the spray being cascaded
Water drenching circulating pump（38）It is communicated to the water tank（52）, meanwhile, under the spray equipment（36）Lower section is sequentially provided with cooling from top to bottom
Coil pipe（54）, homogenizing plate（12）, filler（13）, and, this pair of cool condenser（4）Top be located at the spray equipment（36）It is upper
Side is provided with a condenser fan（11）, the condenser fan（11）Lower section is provided with water collection device（14）.
3. double cold and hot pump assemblys of integral type according to claim 1, it is characterised in that：The water tank（52）Equipped with first certainly
Dynamic water replanishing device（35）, overflow pipe（51）, automatic sewage discharging device（34）And online scale absorption device used in（53）, meanwhile, the cooler pan
Pipe（54）Entrance pass through the 4th magnetic valve（31）With the air-cooled condenser（3）Outlet be connected, the cooling coil（54）'s
Outlet and the reservoir（5）Entrance be connected.
4. double cold and hot pump assemblys of integral type according to claim 1, it is characterised in that：The double cold and hot pump assemblys of the integral type
Also include chilled water Hydraulic Power System（9）, the chilled water Hydraulic Power System（9）Including a series pipe, the series pipe is included
Freezing water inlet and freezing delivery port, a water treatment facilities is in series between the freezing water inlet and freezing delivery port（41）, one
Chilled water circulating pump（43）, the user side heat exchanger（7）And a check-valves（44）, meanwhile, the series pipe is provided with second
Automatic water-replenishing device（46）With level pressure expansion drum（42）, the level pressure expansion drum（42）It is provided with adjustable safety valve（50）, and should
User side heat exchanger（7）It is provided with automatic exhaust steam valve（39）, and, the freezing water inlet passes through one first clip（40）It is connected to
The delivery port of user terminal, the freezing delivery port pass through one second clip（45）It is connected with the water inlet of user terminal.
5. double cold and hot pump assemblys of integral type according to claim 4, it is characterised in that：The chilled water Hydraulic Power System（9）
Freezing water outlet be provided with a frost prevention switch（47）Switched with a water-carrying capacity（48）.
6. double cold and hot pump assemblys of integral type according to claim 1, it is characterised in that：The double cold and hot pump assemblys of the integral type
Also include control device（49）.
7. double cold and hot pump assemblys of integral type according to claim 1, it is characterised in that：The double cold and hot pump assemblys of the integral type
All parts be positioned over an outer container（37）It is interior.
8. double cold and hot pump assemblys of integral type according to claim 1, it is characterised in that：The air cooling heat exchanger（3）Arrangement
In double cool condensers（4）Lower section, and air cooling heat exchanger（3）Front is provided with heat exchange blower fan（10）.
9. double cold and hot pump assemblys of integral type according to claim 1, it is characterised in that：The user side heat exchanger（7）For
Falling-film heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169613.1A CN106839518A (en) | 2017-03-21 | 2017-03-21 | The double cold and hot pump assemblys of integral type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169613.1A CN106839518A (en) | 2017-03-21 | 2017-03-21 | The double cold and hot pump assemblys of integral type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106839518A true CN106839518A (en) | 2017-06-13 |
Family
ID=59130086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710169613.1A Pending CN106839518A (en) | 2017-03-21 | 2017-03-21 | The double cold and hot pump assemblys of integral type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106839518A (en) |
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| CN108981037A (en) * | 2018-06-08 | 2018-12-11 | 瀚润联合高科技发展（北京）有限公司 | A kind of cold multi-joint unit of low form of air cooling evaporation |
| CN109556195A (en) * | 2019-01-15 | 2019-04-02 | 中铁第四勘察设计院集团有限公司 | Double cold heavy duty detergent roof units |
| CN110665245A (en) * | 2019-10-11 | 2020-01-10 | 江苏惟亨环保科技有限公司 | Evaporative cooling integrated equipment |
| CN112197456A (en) * | 2020-10-28 | 2021-01-08 | 佛山市浦路威电器设备有限公司 | Self-descaling double-cooling heat pump unit |
| CN115046340A (en) * | 2022-06-22 | 2022-09-13 | 北京煦联得节能科技股份有限公司 | Integrated water-air double-cooling intelligent cold station |
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Application publication date: 20170613 |
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