CN110345670A - A kind of gravity force liquid-supply formula evaporator - Google Patents
A kind of gravity force liquid-supply formula evaporator Download PDFInfo
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- CN110345670A CN110345670A CN201910687130.XA CN201910687130A CN110345670A CN 110345670 A CN110345670 A CN 110345670A CN 201910687130 A CN201910687130 A CN 201910687130A CN 110345670 A CN110345670 A CN 110345670A
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- 230000005484 gravity Effects 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 191
- 238000003860 storage Methods 0.000 claims abstract description 115
- 239000003507 refrigerant Substances 0.000 claims abstract description 21
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- 230000008020 evaporation Effects 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 45
- 230000008676 import Effects 0.000 claims description 9
- 238000010079 rubber tapping Methods 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 16
- 238000005057 refrigeration Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 7
- 238000005336 cracking Methods 0.000 description 5
- 206010010774 Constipation Diseases 0.000 description 3
- 206010013990 dysuria Diseases 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000012546 transfer Methods 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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
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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
- F25B41/40—Fluid line arrangements
-
- 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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- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of gravity force liquid-supply formula evaporators, including gravity force liquid-supply circulator；Gravity force liquid-supply circulator includes liquid supply pipe, one section of liquid storage device, two sections of liquid storage devices, three sections of liquid storage devices and gas-liquid separator, and one section of liquid storage device bottom is connected by one section of separating tube with one section of heat exchanger tube；Two sections of liquid storage device bottoms are connected by two sections of separating tubes with two sections of heat exchanger tubes；Three sections of liquid storage device bottoms are connected by three sections of separating tubes with three sections of heat exchanger tubes；It is connected on the left of one section of liquid storage device with liquid supply pipe；Three sections of liquid storage device inner right sides isolate the gas-liquid separator being connected；Gas-liquid separator bottom opening connected drainage pipe, the right side aperture of gas-liquid separator connect back to liquid pipe；One section of heat exchanger tube, two sections of heat exchanger tubes and three sections of heat exchanger tubes, are arranged successively setting according to the air-flow direction outside evaporation and heat-exchange coil pipe.The present invention can allow the flow behavior of the various heat exchange tube refrigerant of evaporator different, effectively improve the heat exchange efficiency of refrigerant and air by segment design.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly to a kind of gravity force liquid-supply formula evaporator.
Background technique
For refrigeration system, in refrigeration application, evaporator is located in refrigeration space in refrigeration system, is existed by refrigerant
It is evaporated under low pressure and absorbs heat in refrigeration space, realize the effect of refrigeration, therefore air changes in refrigerant and refrigeration space
The type selecting of hot coefficient, efficiency and equipment to entire refrigeration system has a very important role, and therefore, how to improve heat exchange
Coefficient is always research hotspot.
Currently, being unpowered surplus feed flow in the feed liquid way of conventional evaporator, used by gravity force liquid-supply mode
Mode can effectively improve the coefficient of heat transfer, but require biggish gas-liquid separation device and stringent installation and debugging, thus application by
To limitation.Wherein, when the evaporating temperature of refrigerant is lower than 0 DEG C, the surface of evaporator will frosting, and frost layer is being formed
Afterwards, also not identical in the different location distribution of evaporator, for example to the evaporator conventionally used for freezer, usually windward side is tied
White most serious, and face frosting degree of blowing is minimum, meanwhile, the efficiency of defrost is carried out to evaporator, also will affect the work of evaporator
Ability.Thus, refrigerating efficiency and defrost efficiency are improved, is the key ways for improving evaporator operation performance.
Summary of the invention
The purpose of the present invention is being directed to technological deficiency of the existing technology, a kind of gravity force liquid-supply formula evaporator is provided.
For this purpose, the present invention provides a kind of gravity force liquid-supply formula evaporator, including gravity force liquid-supply circulator；
The gravity force liquid-supply circulator includes liquid supply pipe, one section of liquid storage device, two sections of liquid storage devices, three sections of liquid storage devices and gas-liquid point
From device, in which:
The bottom opening of one section of liquid storage device, and be connected by one section of separating tube with the import of one section of heat exchanger tube；
The bottom opening of two sections of liquid storage devices, and be connected by two sections of separating tubes with the import of two sections of heat exchanger tubes；
The bottom opening of three sections of liquid storage devices, and be connected by three sections of separating tubes with the import of three sections of heat exchanger tubes；
Wherein, the left side of one section of liquid storage device is connected with liquid supply pipe, the refrigeration of liquid supply pipe and external refrigerant output equipment
Agent outlet is connected；
Three sections of liquid storage device inner right sides isolate the gas-liquid separator being connected；
One end of the bottom opening connected drainage pipe of gas-liquid separator, the right side aperture of gas-liquid separator connect back to liquid pipe
One end；
One section of liquid storage device, two sections of liquid storage devices and three sections of liquid storage devices from left to right, are sequentially connected；
One section of heat exchanger tube, two sections of heat exchanger tubes and three sections of heat exchanger tubes, according to the air-flow direction outside evaporation and heat-exchange coil pipe according to
It is secondary to be arranged；
The outlet of one section of heat exchanger tube, two sections of heat exchanger tubes and three sections of heat exchanger tubes, is connected with the collector tube of cross direction profiles；
The right end of collector tube is connected with the other end of liquid back pipe.
Wherein, it is mutually separated between one section of liquid storage device and two sections of liquid storage devices by one section of inner wall of vertical distribution；
The one one section of stomata and the 2nd 1 section of stomata and the one one section of fluid apertures and the 2nd 1 section of liquid are provided on one section of inner wall
Hole.
Wherein, the one one section of stomata and the 2nd 1 section of stomata extend through one section of inner wall；
One one section of stomata and the 2nd 1 section of stomata are respectively provided with the one one section of valve block and two sections of liquid storage device sides respectively
21 sections of valve blocks.
Wherein, the one one section of fluid apertures and the 2nd 1 section of fluid apertures extend through one section of inner wall；
2nd 1 section of fluid apertures is located at the lower section of the one one section of fluid apertures；
The perforated area of 2nd 1 section of fluid apertures, greater than the perforated area of the one one section of fluid apertures；
One one section of fluid apertures and the 2nd 1 section of fluid apertures, respectively two sections of liquid storage device sides be respectively provided with the one one section of liquid valve block and
2nd 1 section of liquid valve block.
Wherein, the one one section of stomata and the 2nd 1 section of stomata, positioned at the top of one section of inner wall；
One one section of fluid apertures and the 2nd 1 section of fluid apertures, positioned at the lower part of one section of inner wall.
Wherein, it is mutually separated between two sections of liquid storage devices and three sections of liquid storage devices by two sections of inner walls of vertical distribution；
The one or two section of stomata and the two or two section of stomata are provided on two sections of inner walls.
Wherein, the one or two section of stomata and the two or two section of stomata extend through two sections of inner walls；
One or two section of stomata and the two or two section of stomata are respectively provided with the one or two section of valve block and the two or two three sections of liquid storage device sides
Section valve block.
Wherein, the top aperture of one section of liquid storage device is connect with the first hot gas supply pipe；
First defrost valve is installed on the first hot gas supply pipe；
The bottom opening of two sections of liquid storage devices is connected with multiple two sections of separating tubes,
The top drilling of two sections of liquid storage devices is connected with the second hot gas supply pipe；
Second defrost valve is installed on the second hot gas supply pipe；
There are two three sections of dispensers for the bottom opening connection of three sections of liquid storage devices；
The top of three sections of liquid storage devices, aperture is connected with third hot gas supply pipe and muffler respectively,
Third defrost valve is installed on third hot gas supply pipe；
Return-air valve is installed on muffler.
Wherein, supplying valve and throttle valve are installed on liquid supply pipe；
The other end of drain pipe is connected with one end of one end of defrost drain pipe and oil return pipe respectively；
Defrost tapping valve is installed on defrost drain pipe；
Oil return valve is installed on oil return pipe；
The other end of oil return pipe is connected with muffler, and the position that the two is connected is stored up than return-air valve further from three sections
The top of liquid device.
By the above technical solution provided by the invention as it can be seen that compared with prior art, the present invention provides a kind of gravity
The flow behavior of the various heat exchange tube refrigerant of evaporator can be allowed different by segment design for solution type evaporator, thus
The heat exchange efficiency that refrigerant and air can be effectively improved is conducive to widely apply, be of great practical significance.
In addition, passing through segment design, additionally it is possible to allow frost layer in internal coil the present invention provides gravity force liquid-supply formula evaporator
Middle formation, to be conducive to the progress of defrost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the liquid distributing device having in a kind of gravity force liquid-supply formula evaporator provided by the invention；
In figure: 1 is gravity force liquid-supply circulator, and 2 be liquid supply pipe, and 3 be one section of liquid storage device, and 4 be two sections of liquid storage devices, and 5 be three sections
Liquid storage device；
6 be gas-liquid separator, and 7 be one section of inner wall, and 8 be two sections of inner walls, and 9 be the first hot gas supply pipe, and 10 be the second hot gas
Supply pipe, 11 be third hot gas supply pipe；
12 be muffler, and 13 be drain pipe, and 14 be oil return pipe, and 15 be defrost drain pipe, and 16 be one section of separating tube, and 17 be one
Section heat exchanger tube, 18 be two sections of separating tubes, and 19 be two sections of heat exchanger tubes, and 20 be three sections of heat exchanger tubes；
21 be three sections of separating tubes, and 22 be collector tube, and 23 be liquid back pipe, and 24 be liquid level sensor, and 25 be the one or two section of stomata,
26 be the two or two section of stomata, and 27 be the one or two section of valve block, and 28 be the two or two section of valve block, and 29 be the one one section of stomata, and 30 be second
One section of stomata；
31 be the one one section of valve block, and 32 be the 2nd 1 section of valve block, and 33 be the one one section of fluid apertures, 35 be the 2nd 1 section of fluid apertures,
34 the 1st sections of liquid valve blocks, 36 be the 2nd 1 section of liquid valve block, and 37 be throttle valve, and 38 be supplying valve, and 39 first defrost valves, 40 are the
Two defrost valves, 41 are third defrost valve, and 42 be return-air valve, and 43 be defrost tapping valve, and 44 be oil return valve.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawing with embodiment to this
Invention is described in further detail.
Referring to Fig. 1, the present invention provides a kind of gravity force liquid-supply formula evaporators, including gravity force liquid-supply circulator 1；
The gravity force liquid-supply circulator 1 includes 2, one sections of liquid supply pipe, 3, two sections of liquid storage device liquid storage device, 4, three sections of 5 and of liquid storage device
Gas-liquid separator 6, in which:
The bottom opening of one section of liquid storage device 3, and be connected by one section of separating tube 16 with the import of one section of heat exchanger tube 17；
The bottom opening of two sections of liquid storage devices 4, and be connected by two sections of separating tubes 18 with the import of two sections of heat exchanger tubes 19；
The bottom opening of three sections of liquid storage devices 5, and be connected by three sections of separating tubes 21 with the import of three sections of heat exchanger tubes 20；
Wherein, the left side of one section of liquid storage device 3 is connected with liquid supply pipe 2, the system of liquid supply pipe 2 and external refrigerant output equipment
Cryogen outlet is connected；
Three sections of 5 inner right sides of liquid storage device isolate the gas-liquid separator being connected 6；
One end of the bottom opening connected drainage pipe 13 of gas-liquid separator 6, the right side aperture of gas-liquid separator 6 connect back to liquid
One end of pipe 23；
One section of liquid storage device, 3, two sections of liquid storage devices 4 and three sections of liquid storage devices 5 from left to right, are sequentially connected；
One section of heat exchanger tube, 17, two sections of heat exchanger tubes 19 and three sections of heat exchanger tubes 20, as three groups of evaporation and heat-exchange coil pipes, according to evaporation
Air-flow direction outside heat exchange coil is arranged successively setting；For example, arrow direction shown in FIG. 1, is outside evaporation and heat-exchange coil pipe
Air-flow direction, i.e., the direction flowed from left to right；
The outlet of one section of heat exchanger tube 17, two sections of heat exchanger tubes 19 and three sections of heat exchanger tubes 20,22 phase of collector tube with cross direction profiles
Connection；
The right end of collector tube 22 is connected with the other end of liquid back pipe 23.
It should be noted that in the present invention, the external refrigerant output equipment can be the condensation in refrigeration system
Device, liquid storage device or other equipment that can export refrigerant.
In the present invention, in specific implementation, supplying valve 38 and throttle valve 37 are installed on liquid supply pipe 2.
In the present invention, pass through one section of vertical distribution in specific implementation, between one section of liquid storage device 3 and two sections of liquid storage devices 4
Inner wall 7 is mutually separated；
The one one section of stomata 29 and the 2nd 1 section of stomata 30 and the one one section of fluid apertures 33 and second are provided on one section of inner wall 7
One section of fluid apertures 35.
In specific implementation, the one one section of stomata 29 and the 2nd 1 section of stomata 30 extend through one section of inner wall 7；
One one section of stomata 29 and the 2nd 1 section of stomata 30 are respectively provided with the one one section of valve two sections of 4 sides of liquid storage device respectively
Piece 31 and the 2nd 1 section of valve block 32.
It should be noted that for the present invention, the bullet of the one one section of valve block 31 and the 2nd 1 section of valve block 32 this two groups of valve blocks
Power is different, is determined according to the application operating condition of evaporator.
It should be noted that the one one section of valve block 31 and the 2nd 1 section of valve block 32 this two groups of valve blocks, one end of valve block is fixed
On inner wall, the other end be can move freely, and when evaporator does not work, valve block is close to stomata, stomata dysuria and constipation；When evaporator work
When making, the effect of valve block is to guarantee that the pressure of one section of liquid storage device 3 is higher than two sections of liquid storage devices 4, when one section of liquid storage device 3 and two sections of liquid storages
When the pressure difference value of both devices 4 reaches valve block cracking pressure, valve block is open, and the fluid in the first liquid storage device 3 passes through corresponding gas
Hole (i.e. the one one section of stomata 29 and the 2nd 1 section of stomata 30) flows into two sections of liquid storage devices 4, and the small valve block of elastic force determines minimum open
Pressure difference, the big valve block of elastic force determine that maximum cracking pressure is poor.
In specific implementation, the one one section of fluid apertures 33 and the 2nd 1 section of fluid apertures 35 extend through one section of inner wall 7；
2nd 1 section of fluid apertures 35 is located at the lower section of the one one section of fluid apertures 33；
The perforated area of 2nd 1 section of fluid apertures 35, greater than the perforated area of the one one section of fluid apertures 33；
One one section of fluid apertures 33 and the 2nd 1 section of fluid apertures 35 are respectively provided with the one one section of liquid two sections of 4 sides of liquid storage device respectively
Valve block 34 and the 2nd 1 section of liquid valve block 36.
It should be noted that in the present invention, the one one section of liquid valve block 34 and the 2nd 1 section of liquid valve block 36 this two groups of valve blocks
Elastic force it is minimum.
It should be noted that the one one section of liquid valve block 34 and the 2nd 1 section of liquid valve block 36 this two groups of valve blocks, one end of valve block
It is fixed on inner wall, the other end can move freely, and when evaporator does not work, valve block is close to fluid apertures, fluid apertures dysuria and constipation；Work as evaporation
When device works, the effect of valve block is to guarantee that the pressure of one section of liquid storage device 3 is higher than two sections of liquid storage devices 4, when one section of liquid storage device 3 and two sections
When the pressure difference value of both liquid storage devices 4 reaches valve block cracking pressure, valve block is open, and the fluid in the first liquid storage device 3 passes through phase
Fluid apertures (the one one section of fluid apertures 33 and the 2nd 1 section of fluid apertures 35) is answered to flow into two sections of liquid storage devices 4.Due to the one one section of 34 He of liquid valve block
The elastic force of 2nd 1 section of liquid valve block 36 is small, so that pressure required for opening is small.
In specific implementation, the one one section of stomata 29 and the 2nd 1 section of stomata 30, positioned at the top of one section of inner wall 7；
One one section of fluid apertures 33 and the 2nd 1 section of fluid apertures 35, positioned at the lower part of one section of inner wall 7.
In the present invention, pass through two sections of vertical distribution in specific implementation, between two sections of liquid storage devices 4 and three sections of liquid storage devices 5
Inner wall 8 is mutually separated；
The one or two section of stomata 25 and the two or two section of stomata 26 are provided on two sections of inner walls 8.
In specific implementation, the one or two section of stomata 25 and the two or two section of stomata 26 extend through two sections of inner walls 8；
One or two section of stomata 25 and the two or two section of stomata 26 are respectively provided with the one or two section of valve block three sections of liquid storage device (5) sides
27 and the 2nd 2 sections of valve blocks 28.
It should be noted that in the present invention, the bullet of the one or two section of valve block 27 and the two or two section of valve block 28 this two groups of valve blocks
Power is different, is determined according to the application operating condition of evaporator.
It should be noted that the one or two section of valve block 27 and the two or two section of valve block 28 this two groups of valve blocks, one end of valve block is fixed
On inner wall, the other end be can move freely, and when evaporator does not work, valve block is close to stomata, stomata dysuria and constipation；When evaporator work
When making, the effect of valve block is to guarantee that the pressure of two sections of liquid storage devices 4 is higher than three sections of liquid storage devices 5, when two sections of liquid storage devices 4 and three sections of liquid storages
When the pressure difference value of both devices 5 reaches valve block cracking pressure, valve block is open, and the fluid in two sections of liquid storage devices 4 passes through corresponding gas
Hole (i.e. the one or two section of stomata 25 and the two or two section of stomata 26) flows into three sections of liquid storage devices 5, and the small valve block of elastic force determines minimum open
Pressure difference, the big valve block of elastic force determine that maximum cracking pressure is poor.
In the present invention, in specific implementation, the top aperture of one section of liquid storage device 3 is connect with the first hot gas supply pipe 9；
First defrost valve 39 is installed on first hot gas supply pipe 9, by the valve, controls the on-off of hot gas supply；
First hot gas supply pipe 9 is connected with the heat outlet of external hot gas output equipment.
It should be noted that external hot gas output equipment can be the equipment that hot gas can be inputted in air-conditioning refrigeration system,
The oil eliminator being specifically as follows in refrigeration system, the outlet of the first hot gas supply pipe 9 and the oil eliminator in refrigeration system
Section is connected, and the effect so connected is that hot gas is introduced evaporator to carry out defrost.
In the present invention, in specific implementation, the bottom opening of two sections of liquid storage devices 4 is connected with multiple two sections of separating tubes 18,
The top drilling of two sections of liquid storage devices 4 is connected with the second hot gas supply pipe 10；
Second defrost valve 40 is installed on second hot gas supply pipe 10, by the valve, controls the on-off of hot gas supply；
Second hot gas supply pipe 10 is connected with the heat outlet of external hot gas output equipment.
In the present invention, in specific implementation, there are two three sections of dispensers 21 for the bottom opening connection of three sections of liquid storage devices 5；
The top of three sections of liquid storage devices 5, aperture is connected with third hot gas supply pipe 11 and muffler 12 respectively,
Third defrost valve 41 is installed on third hot gas supply pipe 11, by the valve, controls the on-off of hot gas supply；
Third hot gas supply pipe 11 is connected with the heat outlet of external hot gas output equipment；
Return-air valve 42 is installed on muffler 12.
In the present invention, in specific implementation, the liquid level sensor for detection of liquid level is installed in gas-liquid separator 6
24。
In the present invention, in specific implementation, third heating pipe 11 runs through the top of three sections of liquid storage devices 5, and third hot gas
Pipe 11 is located at the outlet end in three sections of liquid storage devices 5, positioned at the surface of the left side partition of gas-liquid separator 6；
The link position of muffler 12 and three sections of 5 tops of liquid storage device, positioned at the top of gas-liquid separator 6.
In the present invention, in specific implementation, the other end of drain pipe 13, respectively with one end of defrost drain pipe 15 and oil return
One end of pipe 14 is connected；
Defrost tapping valve 43 is installed on defrost drain pipe 15；
It should be noted that the effect of defrost drain pipe 15 is that the condensate liquid that will be generated during defrost is drained, the other end
Connecting portion it is related to external other equipment, and do not know, for example can connect drain bucket etc., specifically can be according to user's
It needs to be adjusted.
Oil return valve 44 is installed on oil return pipe 14；
The other end of oil return pipe 14 is connected with muffler 12, and the connected position of the two is than return-air valve 42, further from
The top of three sections of liquid storage devices 5.
It should be noted that in the present invention, for drain pipe 13 there are Liang Ge branch, one is defrost drain pipe 15, another
Branch is oil return pipe 14, and Guan Shangjun has valve control to cut-off.
In the present invention, it should be noted that one section of 3, two sections of liquid storage device, 4, three sections of liquid storage device, 5 device segment design of liquid storage,
Their main function is a certain amount of low pressure liquid of storage, and pressure in one section of liquid storage device 3 is made to be higher than two sections of liquid storage devices 4,
And the pressure of two sections of liquid storage devices 5 is higher than three sections of liquid storage devices.
First hot gas supply pipe 9, the second hot gas supply pipe 10, third hot gas supply pipe 11, for working as corresponding hot-blast valve
When door is opened, hot gas can be entered in corresponding liquid storage device by hot gas supply pipe, and then be changed into what liquid storage device was correspondingly connected with
Heat pipe carries out defrost.
In the present invention, for gas-liquid separator 6, when needing evaporator of the invention to be freezed, gas-liquid separator 6
The lubricating oil that had in refrigerant and refrigerant can be subjected to a degree of separation, when liquid level sensor 24 detect liquid level compared with
Gao Shi sends Trig control signal, and oil return valve 44 is opened in control, to be sucked back oil outside evaporator again by oil return pipe 14
The compressor in portion；When carrying out defrost, defrost drain enters in gas-liquid separator 6, when liquid level sensor 24 detect liquid level compared with
Gao Shi, sends Trig control signal, and control opens defrost tapping valve 43, liquid is drained from defrost drain pipe 15.
In the present invention, one section of heat exchanger tube, 17, two sections of heat exchanger tubes 18 and three sections of heat exchanger tubes 19, are respectively used to outside to evaporator
The air in portion carries out heat exchange, by the refrigerant evaporation endothermic flowed through in it, realizes refrigeration effect.
It should be noted that for the present invention, by the way that by heat exchanger tube segment design, the design is so that one section of heat exchanger tube, two
The pressure of section heat exchanger tube and three sections of heat exchange tube refrigerants is different, and flow is different, but compared with conventional dry evaporimeter, refrigerant
Flow increases, and phase-change heat-exchange region increases, and heat exchange efficiency is high.And arrange that the pressure of one section of heat exchanger tube is most along the flow direction of wind
The temperature of height, corresponding evaporation is high, and when with air heat-exchange, vapor is not easy to condense in one section of heat exchange pipe surface, to avoid surface
The serious problem of frosting enhances the working performance of evaporator so as to effectively improve the heat exchange efficiency of refrigerant and air.
In the present invention, the outlet of one section of heat exchanger tube, 17, two sections of heat exchanger tubes 18 and three sections of heat exchanger tubes 19 accesses collector tube 22,
Then the gas-liquid separator 6 in three sections of liquid storage devices 5 is sent back to from liquid back pipe 23.
In conclusion compared with prior art, a kind of gravity force liquid-supply formula evaporator provided by the invention is set by segmentation
Meter can allow the flow behavior of the various heat exchange tube refrigerant of evaporator different, so as to effectively improve refrigerant and sky
The heat exchange efficiency of gas is conducive to widely apply, be of great practical significance.
In addition, passing through segment design, additionally it is possible to allow frost layer in internal coil the present invention provides gravity force liquid-supply formula evaporator
Middle formation, to be conducive to the progress of defrost.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of gravity force liquid-supply formula evaporator, which is characterized in that including gravity force liquid-supply circulator (1)；
The gravity force liquid-supply circulator (1) includes liquid supply pipe (2), one section of liquid storage device (3), two sections of liquid storage devices (4), three sections of liquid storage devices
(5) and gas-liquid separator (6), in which:
The bottom opening of one section of liquid storage device (3), and be connected by one section of separating tube (16) with the import of one section of heat exchanger tube (17)；
The bottom opening of two sections of liquid storage devices (4), and be connected by two sections of separating tubes (18) with the import of two sections of heat exchanger tubes (19)；
The bottom opening of three sections of liquid storage devices (5), and be connected by three sections of separating tubes (21) with the import of three sections of heat exchanger tubes (20)；
Wherein, the left side of one section of liquid storage device (3) is connected with liquid supply pipe (2), liquid supply pipe (2) and external refrigerant output equipment
Refrigerant outlet is connected；
Three sections of liquid storage device (5) inner right sides isolate the gas-liquid separator being connected (6)；
One end of the bottom opening connected drainage pipe (13) of gas-liquid separator (6), the right side aperture of gas-liquid separator (6) connect back to
One end of liquid pipe (23)；
One section of liquid storage device (3), two sections of liquid storage devices (4) and three sections of liquid storage devices (5) from left to right, are sequentially connected；
One section of heat exchanger tube (17), two sections of heat exchanger tubes (19) and three sections of heat exchanger tubes (20), according to the air stream outside evaporation and heat-exchange coil pipe
Dynamic direction is arranged successively setting；
The outlet of one section of heat exchanger tube (17), two sections of heat exchanger tubes (19) and three sections of heat exchanger tubes (20), the collector tube with cross direction profiles
(22) it is connected；
The right end of collector tube (22) is connected with the other end of liquid back pipe (23).
2. gravity force liquid-supply formula evaporator as described in claim 1, which is characterized in that one section of liquid storage device (3) and two sections of liquid storage devices
(4) it is mutually separated between by one section of inner wall (7) of vertical distribution；
Be provided on one section of inner wall (7) the one one section of stomata (29) and the 2nd 1 section of stomata (30) and the one one section of fluid apertures (33) and
2nd 1 section of fluid apertures (35).
3. gravity force liquid-supply formula evaporator as claimed in claim 2, which is characterized in that the one one section of stomata (29) and the 2nd 1 section
Stomata (30) extends through one section of inner wall (7)；
One one section of stomata (29) and the 2nd 1 section of stomata (30) are respectively provided with the one one section two sections of liquid storage device (4) sides respectively
Valve block (31) and the 2nd 1 section of valve block (32).
4. gravity force liquid-supply formula evaporator as claimed in claim 2, which is characterized in that the one one section of fluid apertures (33) and the 2nd 1 section
Fluid apertures (35) extends through one section of inner wall (7)；
2nd 1 section of fluid apertures (35) is located at the lower section of the one one section of fluid apertures (33)；
The perforated area of 2nd 1 section of fluid apertures (35) is greater than the perforated area of the one one section of fluid apertures (33)；
One one section of fluid apertures (33) and the 2nd 1 section of fluid apertures (35) are respectively provided with the one one section two sections of liquid storage device (4) sides respectively
Liquid valve block (34) and the 2nd 1 section of liquid valve block (36).
5. gravity force liquid-supply formula evaporator as claimed in claim 2, which is characterized in that the one one section of stomata (29) and the 2nd 1 section
Stomata (30) is located at the top of one section of inner wall (7)；
One one section of fluid apertures (33) and the 2nd 1 section of fluid apertures (35) are located at the lower part of one section of inner wall (7).
6. gravity force liquid-supply formula evaporator as described in claim 1, which is characterized in that two sections of liquid storage devices (4) and three sections of liquid storage devices
(5) it is mutually separated between by two sections of inner walls (8) of vertical distribution；
The one or two section of stomata (25) and the two or two section of stomata (26) are provided on two sections of inner walls (8).
7. gravity force liquid-supply formula evaporator as claimed in claim 6, which is characterized in that the one or two section of stomata (25) and the two or two section
Stomata (26) extends through two sections of inner walls (8)；
One or two section of stomata (25) and the two or two section of stomata (26) are respectively provided with the one or two section of valve in three sections of liquid storage devices ((5)) side
Piece (27) and the two or two section of valve block (28).
8. gravity force liquid-supply formula evaporator as described in claim 1, which is characterized in that the top aperture of one section of liquid storage device (3) with
The connection of first hot gas supply pipe (9)；
First defrost valve (39) is installed on the first hot gas supply pipe (9)；
The bottom opening of two sections of liquid storage devices (4) is connected with multiple two sections of separating tubes (18),
The top drilling of two sections of liquid storage devices (4) is connected with the second hot gas supply pipe (10)；
Second defrost valve (40) is installed on the second hot gas supply pipe (10)；
There are two three sections of dispensers (21) for the bottom opening connection of three sections of liquid storage devices (5)；
The top of three sections of liquid storage devices (5), aperture is connected with third hot gas supply pipe (11) and muffler (12) respectively,
Third defrost valve (41) is installed on third hot gas supply pipe (11)；
Return-air valve (42) are installed on muffler (12).
9. such as gravity force liquid-supply formula evaporator described in any item of the claim 1 to 8, which is characterized in that liquid supply pipe is installed on (2)
There are supplying valve (38) and throttle valve (37)；
The other end of drain pipe (13) is connected with one end of one end of defrost drain pipe (15) and oil return pipe (14) respectively；
Defrost tapping valve (43) are installed on defrost drain pipe (15)；
Oil return valve (44) are installed on oil return pipe (14)；
The other end of oil return pipe (14) is connected with muffler (12), and the position that the two is connected is than return-air valve (42), farther
The top of from three sections liquid storage devices (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910687130.XA CN110345670B (en) | 2019-07-29 | 2019-07-29 | Gravity liquid supply type evaporator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910687130.XA CN110345670B (en) | 2019-07-29 | 2019-07-29 | Gravity liquid supply type evaporator |
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| CN110345670B CN110345670B (en) | 2024-03-26 |
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| CN109696034A (en) * | 2018-11-10 | 2019-04-30 | 盐城中鑫生物有限公司 | A kind of refrigerating plant with stirring structure of stable connection |
| KR20190055972A (en) * | 2017-11-16 | 2019-05-24 | 엘지전자 주식회사 | Air conditioner |
| CN210486170U (en) * | 2019-07-29 | 2020-05-08 | 天津商业大学 | Gravity liquid supply type evaporator |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003336933A (en) * | 2002-05-17 | 2003-11-28 | Takuma Co Ltd | Flooded-double tube evaporator and ammonia absorption refrigerating machine |
| CN101482378A (en) * | 2008-12-29 | 2009-07-15 | 清华大学 | Vapor-liquid separation method of segmented vapor-liquid phase change heat exchanger |
| CN106996663A (en) * | 2017-04-28 | 2017-08-01 | 依米康冷元节能科技（上海）有限公司 | Gas-liquid separator and plate-type evaporator for plate-type evaporator |
| KR20190055972A (en) * | 2017-11-16 | 2019-05-24 | 엘지전자 주식회사 | Air conditioner |
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