CN107166790A - Hydrocone type water cooling Brine machine groups system - Google Patents
Hydrocone type water cooling Brine machine groups system Download PDFInfo
- Publication number
- CN107166790A CN107166790A CN201710571318.9A CN201710571318A CN107166790A CN 107166790 A CN107166790 A CN 107166790A CN 201710571318 A CN201710571318 A CN 201710571318A CN 107166790 A CN107166790 A CN 107166790A
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- Prior art keywords
- gas
- hydrocone type
- liquid separator
- oil
- water cooling
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- LLPOLZWFYMWNKH-CMKMFDCUSA-N hydrocodone Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)CC(=O)[C@@H]1OC1=C2C3=CC=C1OC LLPOLZWFYMWNKH-CMKMFDCUSA-N 0.000 title claims abstract description 73
- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 239000012267 brine Substances 0.000 title claims abstract description 36
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 132
- 239000012530 fluid Substances 0.000 claims abstract description 32
- 230000000630 rising effect Effects 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 14
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010977 unit operation Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 56
- 239000003507 refrigerant Substances 0.000 description 26
- 238000012546 transfer Methods 0.000 description 5
- 239000012071 phase Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
- F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- 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
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
Landscapes
- 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)
- Drying Of Gases (AREA)
Abstract
The invention provides a kind of hydrocone type water cooling Brine machine groups system, it is related to refrigeration technology field.In hydrocone type water cooling Brine machine groups system, helical-lobe compressor, oil eliminator, it is sequentially connected with condenser and economizer, the first outlet b4 of economizer and the inlet a5 of gas-liquid separator are connected by feed pipe, and the exhaust outlet b5 of gas-liquid separator and the air inlet b1 of helical-lobe compressor are connected by air intake duct.The leakage fluid dram c5 of gas-liquid separator is connected with the inlet a6 of hydrocone type evaporator by declining circulation pipe, and the exhaust outlet b6 of hydrocone type evaporator and the air inlet d5 of gas-liquid separator are connected by rising circulation pipe.The system, using the returning-oil temperature of economizer raising hydrocone type evaporator, is reduced oil return viscosity, makes hydrocone type evaporator oil return more smooth using hydrocone type evaporator and the refrigerating circuit of gas-liquid separator formation circulation, lifts unit operation efficiency.
Description
Technical field
The present invention relates to refrigeration technology field, in particular to a kind of hydrocone type water cooling Brine machine groups system.
Background technology
At present, in industrial refrigeration field, cryogenic freezing occasion generally uses the refrigeration unit of screw compressor, wherein,
Heat exchanger generally uses shell and tube evaporator, and common shell and tube evaporator mainly has dry evaporator and flooded evaporator two
Kind.Dry evaporator refrigerant is in heat exchange in-tube evaporation and absorbs heat, and refrigerating medium flows outside heat exchanger tube and discharges heat；It is full
Solution type evaporator is then on the contrary, refrigerant evaporates outside heat exchanger tube and absorbs heat, and refrigerating medium is in heat exchange Bottomhole pressure and discharges heat
Amount.
Conventional dry evaporator is when worst cold case is used there is also some problems, and the flow regime of such as refrigerating medium is extremely not
Uniformly, and there is flow dead, cause heat exchanger heat exchange efficiency to be had a greatly reduced quality.Flooded evaporator heat exchanger tube is under worst cold case
Refrigerating medium is in heat exchange Bottomhole pressure, because the mass concentration and kinematic viscosity of cryogen are all larger, flow boundary layer and Re Bian
Interlayer is thicker, can have a strong impact on the coefficient of heat transfer of refrigerating medium side, so as to substantially reduce the heat-transfer effect of flooded evaporator.
Dry evaporator heat exchange is boiling in ducts heat exchange, and as refrigerant constantly evaporates, then gas refrigerant must occupy one
Part heat exchange area, while the refrigerant distribution of dry evaporator end is difficult to accomplish uniform, so as to influence heat exchanger entirety
Heat exchange efficiency, the heat transfer temperature difference between refrigerant and refrigerating medium is typically more than 5 DEG C, and the lifting of its heat transfer efficiency is restricted,
The operational efficiency for causing whole refrigeration unit is difficult lifting.
The content of the invention
It is an object of the invention to provide a kind of hydrocone type water cooling Brine machine groups system, it is intended at least partly solve
The low technical problem of existing refrigeration unit operational efficiency.
The first technical scheme that the present invention is provided：A kind of hydrocone type water cooling Brine machine groups system includes screw compression
Machine, oil eliminator, condenser, economizer, hydrocone type evaporator and gas-liquid separator；
The exhaust outlet a1 of the helical-lobe compressor is connected with the air inlet a2 of the oil eliminator by blast pipe, the oil
The exhaust outlet b2 of separator is connected with the air inlet a3 of the condenser by blast pipe, the leakage fluid dram b3 of the condenser and institute
The the first import a4 for stating economizer is connected by feed pipe, the first outlet b4 of the economizer and entering for the gas-liquid separator
Liquid mouthful a5 is connected by feed pipe, and the exhaust outlet b5 of the gas-liquid separator and air inlet b1 of the helical-lobe compressor is by inhaling
Tracheae is connected；
The leakage fluid dram c5 of the gas-liquid separator and the hydrocone type evaporator inlet a6 are connected by declining circulation pipe
Connect, the exhaust outlet b6 of the hydrocone type evaporator is connected with the air inlet d5 of the gas-liquid separator by rising circulation pipe.
Further, the gas-liquid separator includes gas-liquid separation bucket and level monitoring component；The gas-liquid separator
Exhaust outlet b5 is arranged on the top of the gas-liquid separation bucket, and the leakage fluid dram c5 of the gas-liquid separator is arranged on the gas-liquid separation
The bottom of bucket, the level monitoring component is arranged on the gas-liquid separation bucket, and the level monitoring component is described for monitoring
The height of liquid level in gas-liquid separation bucket.
Further, the gas-liquid separator also includes first baffle and second baffle, the first baffle and described the
Two baffle plates are both connected on the inwall of the gas-liquid separation bucket, and the first baffle is located at the leakage fluid dram c5 of the gas-liquid separator
Top, the second baffle be located at the gas-liquid separator air inlet d5 close to the leakage fluid dram c5's of the gas-liquid separator
Side.
Further, the level monitoring component includes the first steel ball valve, the second steel ball valve and liquid level gauge；First steel
One end of ball valve is connected to the top of the gas-liquid separation bucket, and the other end of first steel ball valve connects the one of the liquid level gauge
End, the other end of the liquid level gauge connects one end of second steel ball valve, and the other end of second steel ball valve is connected to institute
State the bottom of gas-liquid separation bucket.
Further, the hydrocone type water cooling Brine machine groups system also includes oil cooler, the helical-lobe compressor
Oil discharge outlet c1 be connected with the oil inlet a7 of the oil cooler by oil strainer, the oil discharge outlet b7 of the oil cooler and institute
State the oil inlet d1 connections of helical-lobe compressor.
Further, the hydrocone type water cooling Brine machine groups system also includes oil pressure difference switch, the screw compression
The high pressure detecting mouth e1 of machine is connected with one end of the oil pressure difference switch, the other end of the oil pressure difference switch and the screw rod pressure
The oil pressure detecting mouth f1 connections of contracting machine.
Further, the hydrocone type water cooling Brine machine groups system also includes device for drying and filtering, the dry filter
Device is arranged between the condenser and the economizer, and the leakage fluid dram b3 of the condenser is connected to the device for drying and filtering
Inlet a8, the leakage fluid dram b8 of the device for drying and filtering is connected to the first import a4 of the economizer.
Further, the second outlet c4 of the economizer is connected to the gas supplementing opening of the helical-lobe compressor by blowdown pipe
It is provided with check valve on g1, the blowdown pipe, the check valve allows the flow direction to be the second outlet c4 of the economizer to institute
The gas supplementing opening g1 of helical-lobe compressor direction is stated, the leakage fluid dram b8 of the device for drying and filtering passes sequentially through magnetic valve and expansion valve connects
The second import d4 of the economizer is connected to, the balance pipe a9 of the expansion valve is connected to the blowdown pipe, the expansion valve
Temperature-sensitive bag b9 is connected to the blowdown pipe.
Further, the hydrocone type water cooling Brine machine groups system also includes injector, the outlet of the injector
It is connected to the air intake duct between the air inlet b1 of the helical-lobe compressor and the exhaust outlet b5 of the gas-liquid separator, the injection
The end import of device is connected to the condenser, and the central inlet of the injector is connected to the leakage fluid dram of the gas-liquid separator
Decline circulation pipe between the inlet a6 of c5 and the hydrocone type evaporator.
Second of technical scheme that the present invention is provided：A kind of hydrocone type water cooling Brine machine groups system includes screw compression
Machine, oil eliminator, condenser, economizer, hydrocone type evaporator and gas-liquid separator；
The exhaust outlet a1 of the helical-lobe compressor is connected with the air inlet a2 of the oil eliminator by blast pipe, the oil
The exhaust outlet b2 of separator is connected with the air inlet a3 of the condenser by blast pipe, the leakage fluid dram b3 of the condenser and institute
The the first import a4 for stating economizer is connected by feed pipe, the first outlet b4 of the economizer and entering for the gas-liquid separator
Liquid mouthful a5 is connected by feed pipe, and the exhaust outlet b5 of the gas-liquid separator and air inlet b1 of the helical-lobe compressor is by inhaling
Tracheae is connected；
The oil discharge outlet c2 of the oil eliminator passes through oil strainer and the oil return opening h1 of magnetic valve and the helical-lobe compressor
Connection；
The leakage fluid dram c5 of the gas-liquid separator and the hydrocone type evaporator inlet a6 are connected by declining circulation pipe
Connect, the exhaust outlet b6 of the hydrocone type evaporator is connected with the air inlet d5 of the gas-liquid separator by rising circulation pipe.
The beneficial effect for the hydrocone type water cooling Brine machine groups system that the present invention is provided is：Available for freezing, refrigerate, work
The occasions such as industry ice making, it is efficient energy-saving, safe and reliable, with extensive application value；Hydrocone type evaporator and gas-liquid are set
Separator, is improving the returning-oil temperature of hydrocone type evaporator, while reducing oil return viscosity, is making hydrocone type evaporator oil return more suitable
Freely, unit operation efficiency is lifted；The heat exchanger area of economizer can be reduced, cost is reduced；When worst cold case is run, control unit
Liquid refrigerant is divided to return to the energy-conservation gas supplementing opening of helical-lobe compressor by economizer, to increase the capacity of helical-lobe compressor, from
And realize the lifting of system energy efficiency.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural representation of hydrocone type water cooling Brine machine groups system provided in an embodiment of the present invention.
Fig. 2 is the helical-lobe compressor and its structure enlarged diagram of associated components in Fig. 1.
Fig. 3 is the condenser and its structure enlarged diagram of associated components in Fig. 1.
Fig. 4 is the hydrocone type evaporator and the structure enlarged diagram of gas-liquid separator and its associated components in Fig. 1.
Icon：10- hydrocone type water cooling Brine machine groups systems；11- helical-lobe compressors；12- oil coolers；13- oil pressure
Difference switch；14- oil eliminators；15- condensers；16- devices for drying and filtering；17- economizers；18- injectors；19- hydrocone types are evaporated
Device；20- gas-liquid separators；21- gas-liquid separations bucket；22- first baffles；23- second baffles；The steel ball valves of 24- first；25- second
Steel ball valve；26- liquid level gauges；27- temperature sensors；28- pressure sensors；29- needle-valves；30- stop valves；31- oil strainers；
32- visors；33- magnetic valves；34- ball valves；35- check valves；36- expansion valves；37- angle valves.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or should
Orientation or position relationship that invention product is usually put when using, or the orientation or position that those skilled in the art usually understand
Relation is put, the description present invention is for only for ease of and simplifies description, rather than indicate or imply that the equipment or element of meaning are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicating or implying
Relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or one
Connect body.Can be mechanical connection or electrical connection.Can be joined directly together, can also be indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Fig. 1 to Fig. 4 (left side is that top, right side when system is used is bottom when system is used in figure) is referred to, this
Embodiment provides a kind of hydrocone type water cooling Brine machine groups system 10, and hydrocone type water cooling Brine machine groups system 10 includes
Helical-lobe compressor 11, oil cooler 12, oil pressure difference switch 13, oil eliminator 14, condenser 15, device for drying and filtering 16, economizer
17th, injector 18, hydrocone type evaporator 19 and gas-liquid separator 20.
The exhaust outlet a1 of helical-lobe compressor 11 is connected with the air inlet a2 of oil eliminator 14 by blast pipe, and in blast pipe
On be provided with temperature sensor 27.The exhaust outlet b2 of oil eliminator 14 is connected with the air inlet a3 of condenser 15 by blast pipe,
And pressure sensor 28 and needle-valve 29 are provided with blast pipe.The oil discharge outlet c2 of oil eliminator 14 passes through stop valve 30, oily mistake
Filter 31, visor 32 and magnetic valve 33 are connected with the oil return opening h1 of helical-lobe compressor 11.
Device for drying and filtering 16 is arranged between condenser 15 and economizer 17, and the leakage fluid dram b3 of condenser 15 passes through feed pipe
The inlet a8 of device for drying and filtering 16 is connected to, and is provided with feed pipe stop valve 30 and needle-valve 29.Device for drying and filtering 16
Leakage fluid dram b8 the first import a4 of economizer 17 is connected to by feed pipe, and feed pipe is provided with needle-valve 29.Economizer
17 first outlet b4 is connected with the inlet a5 of gas-liquid separator 20 by feed pipe, and is provided with feed pipe visor
32nd, electric expansion valve 36, are additionally provided with stop valve 30 and magnetic valve 33 on the branch road in parallel with electric expansion valve 36.
The exhaust outlet b5 of gas-liquid separator 20 is connected with the air inlet b1 of helical-lobe compressor 11 by air intake duct, and in air-breathing
Angle valve 37, needle-valve 29, pressure sensor 28 and temperature sensor 27 are provided with pipe.The leakage fluid dram c5 and rainbow of gas-liquid separator 20
The inlet a6 of suction evaporator 19 is connected by declining circulation pipe, the exhaust outlet b6 and gas-liquid separator of hydrocone type evaporator 19
20 air inlet d5 is connected by rising circulation pipe.
Gas-liquid separator 20 includes gas-liquid separation bucket 21, level monitoring component, first baffle 22 and second baffle 23.Gas-liquid
The exhaust outlet b5 of separator 20 is arranged on the top of gas-liquid separation bucket 21, and the leakage fluid dram c5 of gas-liquid separator 20 is arranged on gas-liquid point
From the bottom of bucket 21, first baffle 22 and second baffle 23 are both connected on the inwall of gas-liquid separation bucket 21, first baffle 22
In the leakage fluid dram c5 of gas-liquid separator 20 top, second baffle 23 is located at the air inlet d5 of gas-liquid separator 20 close to gas-liquid point
From the leakage fluid dram c5 of device 20 side.The top of gas-liquid separation bucket 21 is provided with gas phase mouth, and the bottom of gas-liquid separation bucket 21 is set
Have and be additionally provided with safety valve on two liquid phases mouthful, gas-liquid separation bucket 21.
Level monitoring component is arranged on gas-liquid separation bucket 21, and level monitoring component is used to monitor liquid in gas-liquid separation bucket 21
The height in face.Specifically, level monitoring component includes the first steel ball valve 24, the second steel ball valve 25 and liquid level gauge 26.First steel ball
One end of valve 24 is connected to the top of gas-liquid separation bucket 21, and the other end of the first steel ball valve 24 connects one end of liquid level gauge 26, liquid
The other end of position meter 26 connects one end of the second steel ball valve 25, and the other end of the second steel ball valve 25 is connected to gas-liquid separation bucket 21
Bottom.
The oil discharge outlet c1 of helical-lobe compressor 11 is connected with the oil inlet a7 of oil cooler 12 by entering oil pipe, and is entering oil pipe
On be provided with stop valve 30 and oil strainer 31.The oil discharge outlet b7 of oil cooler 12 passes through with the oil inlet d1 of helical-lobe compressor 11
Flowline is connected, and is provided with flowline stop valve 30.High pressure detecting mouth e1 and the oil pressure difference switch of helical-lobe compressor 11
13 one end connection, the other end of oil pressure difference switch 13 is connected with the oil pressure detecting mouth f1 of helical-lobe compressor 11.
The second outlet c4 of economizer 17 is connected on the gas supplementing opening g1 of helical-lobe compressor 11, blowdown pipe by blowdown pipe and set
It is equipped with ball valve 34 and check valve 35, check valve 35 allows the flow direction to be the second outlet c4 of economizer 17 to helical-lobe compressor 11
Gas supplementing opening g1 direction.The leakage fluid dram b8 of device for drying and filtering 16 passes sequentially through magnetic valve 33 and expansion valve 36 is connected to economizer 17
The second import d4, the balance pipe a9 of expansion valve 36 is connected to blowdown pipe, and the temperature-sensitive bag b9 of expansion valve 36 is connected to blowdown pipe.
The outlet of injector 18 is connected to the air inlet b1 and gas-liquid separator 20 of helical-lobe compressor 11 by angle valve 37
Air intake duct between exhaust outlet b5, the end import of injector 18 is connected to condenser 15 by high pressure injection pipe and angle valve 37,
The central inlet of injector 18 is connected to the leakage fluid dram c5 and hydrocone type of gas-liquid separator 20 by visor 32 and oil strainer 31
Decline circulation pipe between the inlet a6 of evaporator 19.
The operation principle for the hydrocone type water cooling Brine machine groups system 10 that the present embodiment is provided：Pressed through helical-lobe compressor 11
The gas refrigerant of the high pressure-temperature of contracting is discharged into oil eliminator 14 by gas exhaust piping, first passes through oil eliminator 14 by big portion
The refrigeration oil divided is separated, the heat exchanger tube arrangement area that the gas refrigerant containing a small amount of refrigeration oil is entered in condenser 15
Domain, and being exchanged heat with the cooling medium that is flowed through in condenser 15 in heat exchanger tube, gaseous refrigerant exothermic condensation is into liquid refrigerant, liquid
State refrigerant passes through liquid feeding pipeline after the leakage fluid dram b3 outflows of condenser 15 after being filtered through stop valve 30, device for drying and filtering 16
By economizer 17, then by the reducing pressure by regulating flow effect of electric expansion valve 36 be changed into low-pressure state with a small amount of gas with
Refrigerant based on liquid, is entered in hydrocone type evaporator 19 and gas-liquid separator 20, keeps certain in gas-liquid separator 20
Liquid column hydrostatic pressure, by gravity to the feed flow of hydrocone type evaporator 19, heat exchanger tube of the liquid refrigerant in hydrocone type evaporator 19
Interior middle heat absorption, partial gasification makes the two ends of hydrocone type evaporator 19 import and export liquid generation density contrast (potential energy is poor), and this pressure difference is produced
Power refrigerant is realized migration between gas-liquid separator 20 and hydrocone type evaporator 19, cause close by phase transformation so as to realize
Spend the self-loopa process changed.
Specific work process is to pass through the refrigerant liquid of throttling in refrigeration systems and divide with certain gas from gas-liquid
Inlet d5 from device 20 is entered in gas-liquid separation bucket 21, under the centrifugation of 21 inner spaces of gas-liquid separation bucket, gas
In the gas-phase space for being present in 21 tops of gas-liquid separation bucket, refrigerant liquid is stored in the liquid Space of 21 bottoms of gas-liquid separation bucket
It is interior, and certain liquid level is maintained, refrigerant liquid is entered in the inlet a6 of hydrocone type evaporator 19 by declining circulation pipe, then
Enter in heat exchanger tube, and refrigerant liquid constantly heat absorption in heat exchange, pipe is carried out simultaneously with the refrigerating medium that is flowed outside heat exchanger tube
The cooled cooling of refrigerating medium heat release being evaporated to outside gas, pipe, refrigerant is changed into the system of gas-liquid mixture phase after heat exchanger tube
Cryogen, and the exhaust outlet b6 of hydrocone type evaporator 19 is entered, then returned to by rising circulation pipe in gas-liquid separation bucket 21,
Exhaust outlet b5 outflow of the gaseous refrigerant from gas-liquid separation bucket 21 is flashed to, unevaporated refrigerant liquid is with continuous from refrigeration
The liquid refrigerant that agent inlet d5 enters continues to supply into hydrocone type evaporator 19, constantly moves in circles, so that the company of realization
Continuous kind of refrigeration cycle.
The beneficial effect for the hydrocone type water cooling Brine machine groups system 10 that the present embodiment is provided：First, hydrocone type is set
Evaporator 19 and gas-liquid separator 20, make the heat transfer temperature difference reduction of the refrigerant in system, the i.e. evaporating temperature and quilt of refrigerant
Difference between the refrigerant temperature of cooling reduces, and improves the refrigerating capacity in the system unit time, is evaporated with traditional dry type
Device is compared, and improves refrigerating efficiency, has also reached the effect for improving system energy efficiency；Then；Set hydrocone type evaporator 19 gentle
Liquid/gas separator 20, is improving the returning-oil temperature of hydrocone type evaporator 19, while reducing oil return viscosity, is making hydrocone type evaporator 19 times
Oil is more smooth, lifts unit operation efficiency；Finally, the hydrocone type water cooling Brine machine groups system 10 that the present embodiment is provided can
For freezing, refrigerating, the occasion such as industrial ice making, it is efficient energy-saving, safe and reliable, with extensive application value.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of hydrocone type water cooling Brine machine groups system, it is characterised in that the hydrocone type water cooling Brine machine groups system
System includes helical-lobe compressor, oil eliminator, condenser, economizer, hydrocone type evaporator and gas-liquid separator；
The exhaust outlet a1 of the helical-lobe compressor is connected with the air inlet a2 of the oil eliminator by blast pipe, the oil separation
The exhaust outlet b2 of device is connected with the air inlet a3 of the condenser by blast pipe, the leakage fluid dram b3 of the condenser and the warp
First import a4 of Ji device is connected by feed pipe, the first outlet b4 of the economizer and the inlet of the gas-liquid separator
A5 is connected by feed pipe, and the exhaust outlet b5 of the gas-liquid separator and air inlet b1 of the helical-lobe compressor passes through air intake duct
Connection；
The leakage fluid dram c5 of the gas-liquid separator is connected with the inlet a6 of the hydrocone type evaporator by declining circulation pipe, institute
The exhaust outlet b6 of hydrocone type evaporator is stated to be connected by rising circulation pipe with the air inlet d5 of the gas-liquid separator.
2. hydrocone type water cooling Brine machine groups system according to claim 1, it is characterised in that the gas-liquid separator
Including gas-liquid separation bucket and level monitoring component；
The exhaust outlet b5 of the gas-liquid separator is arranged on the top of the gas-liquid separation bucket, the leakage fluid dram of the gas-liquid separator
C5 is arranged on the bottom of the gas-liquid separation bucket, and the level monitoring component is arranged on the gas-liquid separation bucket, the liquid level
Monitoring assembly is used for the height for monitoring liquid level in the gas-liquid separation bucket.
3. hydrocone type water cooling Brine machine groups system according to claim 2, it is characterised in that the gas-liquid separator
Also include first baffle and second baffle, the first baffle and the second baffle are both connected to the interior of the gas-liquid separation bucket
On wall, the first baffle is located at the leakage fluid dram c5 of gas-liquid separator top, and the second baffle is located at the gas-liquid
The air inlet d5 of separator is close to the leakage fluid dram c5 of gas-liquid separator side.
4. hydrocone type water cooling Brine machine groups system according to claim 2, it is characterised in that the level monitoring group
Part includes the first steel ball valve, the second steel ball valve and liquid level gauge；One end of first steel ball valve is connected to the gas-liquid separation bucket
Top, the other end of first steel ball valve connects one end of the liquid level gauge, and the other end connection of the liquid level gauge is described
One end of second steel ball valve, the other end of second steel ball valve is connected to the bottom of the gas-liquid separation bucket.
5. hydrocone type water cooling Brine machine groups system according to claim 1, it is characterised in that the hydrocone type water cooling
Brine machine groups system also includes oil cooler, the oil discharge outlet c1 of the helical-lobe compressor and the oil inlet of the oil cooler
A7 is connected by oil strainer, and the oil discharge outlet b7 of the oil cooler is connected with the oil inlet d1 of the helical-lobe compressor.
6. hydrocone type water cooling Brine machine groups system according to claim 1, it is characterised in that the hydrocone type water cooling
Brine machine groups system also includes oil pressure difference switch, high pressure detecting mouth e1 and the oil pressure difference switch of the helical-lobe compressor
One end connection, the other end of the oil pressure difference switch detects mouth f1 with the oil pressure of the helical-lobe compressor and is connected.
7. hydrocone type water cooling Brine machine groups system according to claim 1, it is characterised in that the hydrocone type water cooling
Brine machine groups system also includes device for drying and filtering, the device for drying and filtering be arranged on the condenser and the economizer it
Between, the leakage fluid dram b3 of the condenser is connected to the inlet a8 of the device for drying and filtering, the leakage fluid dram of the device for drying and filtering
B8 is connected to the first import a4 of the economizer.
8. hydrocone type water cooling Brine machine groups system according to claim 7, it is characterised in that the of the economizer
Two outlet c4 are connected on the gas supplementing opening g1 of the helical-lobe compressor, the blowdown pipe by blowdown pipe and are provided with check valve, institute
That states check valve allows flow direction to be the second outlet c4 of the economizer to the gas supplementing opening g1 of helical-lobe compressor direction, institute
The leakage fluid dram b8 for stating device for drying and filtering passes sequentially through magnetic valve and expansion valve is connected to the second import d4 of the economizer, described
The balance pipe a9 of expansion valve is connected to the blowdown pipe, and the temperature-sensitive bag b9 of the expansion valve is connected to the blowdown pipe.
9. hydrocone type water cooling Brine machine groups system according to claim 8, it is characterised in that the hydrocone type water cooling
Brine machine groups system also includes injector, the outlet of the injector be connected to the helical-lobe compressor air inlet b1 and
Air intake duct between the exhaust outlet b5 of the gas-liquid separator, the end import of the injector is connected to the condenser, institute
The central inlet for stating injector is connected to the leakage fluid dram c5 of the gas-liquid separator and the inlet a6 of the hydrocone type evaporator
Between decline circulation pipe.
10. a kind of hydrocone type water cooling Brine machine groups system, it is characterised in that the hydrocone type water cooling Brine machine groups system
System includes helical-lobe compressor, oil eliminator, condenser, economizer, hydrocone type evaporator and gas-liquid separator；
The exhaust outlet a1 of the helical-lobe compressor is connected with the air inlet a2 of the oil eliminator by blast pipe, the oil separation
The exhaust outlet b2 of device is connected with the air inlet a3 of the condenser by blast pipe, the leakage fluid dram b3 of the condenser and the warp
First import a4 of Ji device is connected by feed pipe, the first outlet b4 of the economizer and the inlet of the gas-liquid separator
A5 is connected by feed pipe, and the exhaust outlet b5 of the gas-liquid separator and air inlet b1 of the helical-lobe compressor passes through air intake duct
Connection；
The oil discharge outlet c2 of the oil eliminator is connected by oil strainer and magnetic valve with the oil return opening h1 of the helical-lobe compressor；
The leakage fluid dram c5 of the gas-liquid separator is connected with the inlet a6 of the hydrocone type evaporator by declining circulation pipe, institute
The exhaust outlet b6 of hydrocone type evaporator is stated to be connected by rising circulation pipe with the air inlet d5 of the gas-liquid separator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710571318.9A CN107166790A (en) | 2017-07-13 | 2017-07-13 | Hydrocone type water cooling Brine machine groups system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710571318.9A CN107166790A (en) | 2017-07-13 | 2017-07-13 | Hydrocone type water cooling Brine machine groups system |
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| CN107166790A true CN107166790A (en) | 2017-09-15 |
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| CN201710571318.9A Pending CN107166790A (en) | 2017-07-13 | 2017-07-13 | Hydrocone type water cooling Brine machine groups system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111928508A (en) * | 2020-08-25 | 2020-11-13 | 石家庄久鼎制冷空调设备有限公司 | Pump liquid supply screw compression refrigeration system and method for improving refrigeration capacity |
| CN113007913A (en) * | 2019-12-20 | 2021-06-22 | 青岛海尔空调电子有限公司 | Water chilling unit and control method thereof |
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| CN206905332U (en) * | 2017-07-13 | 2018-01-19 | 成都美森制冷设备有限公司 | Hydrocone type water cooling Brine machine groups system |
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| CN113007913A (en) * | 2019-12-20 | 2021-06-22 | 青岛海尔空调电子有限公司 | Water chilling unit and control method thereof |
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