CN109249777A - Refrigeration equipment - Google Patents
Refrigeration equipment Download PDFInfo
- Publication number
- CN109249777A CN109249777A CN201811012857.XA CN201811012857A CN109249777A CN 109249777 A CN109249777 A CN 109249777A CN 201811012857 A CN201811012857 A CN 201811012857A CN 109249777 A CN109249777 A CN 109249777A
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- China
- Prior art keywords
- heat exchanger
- exchanger tube
- pipe
- bracket
- refrigeration equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 100
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 184
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 92
- 239000007788 liquid Substances 0.000 claims abstract description 82
- 230000008676 import Effects 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 53
- 230000007246 mechanism Effects 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 5
- 206010003497 Asphyxia Diseases 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000002283 diesel fuel Substances 0.000 description 6
- 238000001816 cooling Methods 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
- 238000005452 bending Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- -1 corronil Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3201—Cooling devices using absorption or adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00321—Heat exchangers for air-conditioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/20—Refrigerated goods vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
Abstract
The invention discloses a kind of refrigeration equipments, including bracket, liquid nitrogen container, heat-exchanging component, delivery pipe and wind dispelling device, heat-exchanging component is equipped with several, each heat-exchanging component includes first heat exchanger tube, top of each first heat exchanger tube from the bottom end of bracket towards bracket is intervally arranged on bracket, and several first heat exchanger tubes are sequentially connected in series, the first heat exchanger tube positioned at bracket bottom end has for connecting the first heat exchanger tube so that liquid nitrogen enters the import in the first heat exchanger tube, positioned at cantilever tip with liquid nitrogen container with for the discharge outlet for nitrogen discharge；Delivery pipe has the connecting pin of connection discharge outlet and for by the free end outside nitrogen discharge to refrigeration warehouse；Wind dispelling device is set to the top of bracket for forming circulating current in refrigeration warehouse.Refrigeration equipment disclosed by the invention have the advantages that can be effectively reduced emission to extraneous pollution, save the cost, avoid personnel and generate the dangerous and easy to maintenance of asphyxia.
Description
Technical field
The present invention relates to field of refrigeration equipments.
Background technique
It is existing industry or enterprise institution need refrigerating transport vehicle transport food cargo need make transport or store
Cargo keeps the state of freezing, and cold storage refrigeration system used in these refrigerating transport vehicles is typically all to use gasoline or bavin at present
Oil operation is freezed using its electric energy generated and maintains low temperature, can only achieve about 38% or so energy conversion efficiency, and
And there is expensive maintenance cost and upkeep cost, while the emission generated when its use, and may be revealed when maintenance
Refrigerant, the emission and refrigerant persistently generated all can cause seriously to pollute to environment and air；There are also refrigerating system uses
Liquid gas is operated, such as liquid nitrogen, liquid nitrogen is directly inputted refrigeration warehouse, such disadvantage is first, the efficiency of liquid nitrogen makes
It is low with rate, and uncontrollable dosage, and when taking out freezing kinds of goods, nitrogen can be made to be lost out from refrigeration warehouse, need to be supplemented
Liquid nitrogen, the waste for causing liquid nitrogen to use；Second, when manual operation enters refrigeration warehouse and takes out freezing kinds of goods, due to nitrogen in storehouse
Accounting superelevation need to carry out otherwise easily causing entry into operator's death by suffocation in storehouse, risk to air-flow exchange is carried out in storehouse
Greatly.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention discloses a kind of refrigeration equipment, to solve existing refrigeration system
The problem of emission pollution environment, operator are easy to happen asphyxia.
The present invention adopts the following technical scheme that realization:
A kind of refrigeration equipment, for providing cold air to refrigeration warehouse, the refrigeration equipment includes:
Bracket, for being placed in refrigeration warehouse；
Liquid nitrogen container, for being placed in refrigeration warehouse or outside refrigeration warehouse；
Heat-exchanging component, the heat-exchanging component are equipped with several, and each heat-exchanging component includes first heat exchanger tube, respectively
First heat exchanger tube is intervally arranged from the bottom end of the bracket towards the top of the bracket on the bracket, and several
First heat exchanger tube is sequentially connected in series, and first heat exchanger tube positioned at the bracket bottom end has for connecting with the liquid nitrogen container
It connects so that liquid nitrogen enters the import in first heat exchanger tube, has positioned at first heat exchanger tube of the cantilever tip and be used for
For the discharge outlet of nitrogen discharge；
Delivery pipe, the delivery pipe have the connecting pin for being connected to the discharge outlet and are used for nitrogen discharge to the refrigeration
Free end outside storehouse；
Wind dispelling device, the wind dispelling device are set to the top of the bracket for forming circulation in the refrigeration warehouse
Air-flow.
Preferably, each heat-exchanging component further include several bending setting and with same first heat exchanger tube
Second heat exchanger tube of connection, the both ends of each second heat exchanger tube are connect with the side wall of first heat exchanger tube.
Preferably, second heat exchanger tube is located at the side close to the bracket bottom end of first heat exchanger tube.
Preferably, several described second heat exchanger tube point two rows are set to the close bracket bottom of first heat exchanger tube
The side at end.
Preferably, first heat exchanger tube and second heat exchanger tube are all red copper heat exchanger tube.
Preferably, connection first heat exchanger tube is both provided on each first heat exchanger tube for first heat exchange
Pipe carries out pressure detecting or for installing the other pipe of pressure gauge on first heat exchanger tube, is provided on each other pipe
For covering the pipe cap of the other pipe.
Preferably, the refrigeration equipment further includes several third heat exchanger tubes, two the first heat exchanger tubes of arbitrary neighborhood it
Between be both provided with a third heat exchanger tube, the both ends of each third heat exchanger tube are connected to phase by a connecting pipe respectively
Two adjacent first heat exchanger tubes.
First heat exchanger tube for being preferably located at the bracket bottom end includes the first heat exchanger tube tube body and is located at described the
The intracorporal bend pipe of one heat exchange tube, one end of the bend pipe towards the bottom of the first heat exchanger tube tube body, the bend pipe it is another
One end is connect with the connecting pipe.
Preferably, the refrigeration equipment further includes the first valve and the liquid nitrogen delivery pipe that is connected to first heat exchanger tube
Road, the entrance of first valve are connected to the liquid nitrogen container, liquid nitrogen conveyance conduit described in the outlet of first valve.
Preferably, the liquid nitrogen conveyance conduit includes main feedline and quantity and the consistent side of the first number of heat exchange tubes
Delivery pipe, one end of each side delivery pipe are connected to the main feedline, the other end difference of each side delivery pipe
It is connected to first heat exchanger tube.
Preferably, the refrigeration equipment further includes the balance tube assembly for buffering for liquid nitrogen, the balance tube assembly
One end be connected to the one end of first heat exchanger tube for being located at the bracket bottom end, the other end for balancing tube assembly be located at
The other end of first heat exchanger tube of the bracket bottom end is connected to.
Preferably, the balance tube assembly includes being vertically arranged at the first balance pipe of the bracket side and being horizontally disposed with
One end of the second balance pipe, third balance pipe in the cantilever tip, second balance pipe and the third balance pipe with
One end positioned at first heat exchanger tube of the bracket bottom end is connected to, second balance pipe and the third balance pipe it is another
One end is connected to the top of first balance pipe, the bottom end of first balance pipe be located at described the of the bracket bottom end
The other end of one heat exchanger tube is connected to.
Preferably, the delivery pipe includes being connected to the first pipeline section of first balance pipe and being fixed on the bracket
Second pipeline section, the wind dispelling device include that several wind energy driving mechanisms, quantity and the wind energy driving mechanism quantity are consistent
First gas delivery pipe and quantity and the consistent second gas delivery pipe of the wind energy driving mechanism quantity, the wind energy driving
Mechanism, the first gas delivery pipe and the second gas delivery pipe are all arranged at intervals at the tip-end-side of the bracket,
The wind energy driving mechanism is provided with gas feed and gas vent, one end of the first gas delivery pipe and first pipe
The other end of Duan Liantong, the first gas delivery pipe are connected to the gas feed, one end of the second gas delivery pipe
It is connect with the gas vent, the other end of the second gas delivery pipe is connected to second pipeline section.
Preferably, the delivery pipe further includes third pipeline section, and one end of the third pipeline section is connected to the discharge outlet, institute
The other end for stating third pipeline section is connected to first pipeline section.
Preferably, each wind energy driving mechanism includes air motor and the impeller that connect with the air motor,
The air motor is provided with the gas feed and the gas vent.
Preferably, each wind dispelling device further includes that quantity is shown with the wind energy driving mechanism quantity one for adjusting
Second valve of the air-flow size in the first gas delivery pipe, second valve are set to the first gas delivery pipe
It is connect between road and the air motor and respectively with the first gas conveyance conduit, the air motor.
Compared with prior art, the beneficial effects of the present invention are:
Refrigeration equipment provided by the invention is by being arranged top of several first heat exchanger tubes from the bottom end of bracket toward bracket
It is intervally arranged and is sequentially connected in series, there is the import imported for liquid nitrogen, position by the way that the first heat exchanger tube for being located at bracket bottom end is arranged
In cantilever tip the first heat exchanger tube have for nitrogen discharge discharge outlet, and by setting delivery pipe be connected to discharge outlet and
Cradle top is provided with wind dispelling device.With the design method, the refrigeration equipment is for refrigerating transport vehicle or fishery refrigeration warehouse
When refrigeration, have the advantage that
1) relative to the existing refrigeration system using diesel oil or gasoline, which is freezed using liquid nitrogen,
Emission can be effectively reduced to extraneous pollution.
2) freezed due to the refrigeration equipment using liquid nitrogen, relative to the existing refrigeration system using diesel oil or gasoline
System, when refrigerating transport vehicle or fishing boat are in the case where closing engine, moreover it is possible to the low temperature in continuation Keep cool storehouse, to drop
The low consumption of oily electricity, save the cost.
3) due to the refrigeration equipment in use, liquid nitrogen flows in closed pipeline, and by discharged to refrigerating
Outside storehouse, the danger that personnel generate asphyxia when entering in refrigeration warehouse is avoided.
4) for the refrigeration system for using diesel oil or gasoline, the refrigeration equipment is easy to maintenance, it is only necessary to check
Whether Valve joint leaks or provides for simple replacement of some valves.
5) liquid nitrogen is directly discharged to the mode freezed in refrigeration warehouse, the liquid nitrogen of the refrigeration equipment relative to existing
When being to be flowed in closed pipeline, be not discharged into refrigeration warehouse, thus opening refrigeration warehouse every time, discharged without waiting for liquid nitrogen
Refrigeration warehouse out can just enter refrigeration warehouse, the leakage of cold air on the one hand can be effectively reduced, on the other hand can have when concentration reduces
Effect reduces the usage amount of liquid nitrogen, save the cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of refrigeration equipment provided in an embodiment of the present invention；
Fig. 2 is partial enlargement diagram at A in Fig. 1；
Fig. 3 is the structural schematic diagram of heat-exchanging component shown in Fig. 1；
Fig. 4 is B direction schematic diagram in Fig. 3；
Fig. 5 is the structural schematic diagram of wind dispelling device shown in Fig. 1；
Fig. 6 is the structural schematic diagram of the first heat exchanger tube and connecting pipe.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
As shown in Figures 1 to 6, the embodiment of the present invention provides a kind of refrigeration equipment 100, cold for providing to refrigeration warehouse
Gas, refrigeration equipment 100 include:
Bracket (not shown), for being placed in refrigeration warehouse；
Liquid nitrogen container (not shown), for being placed in refrigeration warehouse or outside refrigeration warehouse；
Heat-exchanging component 10, heat-exchanging component 10 are equipped with several, and each institute's heat-exchanging component 10 includes first heat exchanger tube 11,
Top of each first heat exchanger tube 11 from the bottom end of bracket towards bracket is intervally arranged on bracket, and several first heat exchanger tubes 11
It is sequentially connected in series, the first heat exchanger tube 11 positioned at bracket bottom end has for being connect with liquid nitrogen container so that liquid nitrogen enters the first heat exchanger tube
Import in 11, the first heat exchanger tube 11 positioned at cantilever tip have for the discharge outlet for nitrogen discharge；
Delivery pipe 20, delivery pipe have the connecting pin of connection discharge outlet 122 and for will be outside nitrogen discharges to refrigeration warehouse
Free end；
Wind dispelling device 30, wind dispelling device 30 are set to the top of bracket for forming circulating current in refrigeration warehouse.
In use, liquid nitrogen enters the first heat exchanger tube 11 positioned at bracket bottom end, the first heat exchanger tube by import from liquid nitrogen container
11 temperature reduce and absorb the heat of surrounding air, and by the air cooling of surrounding, the heat transfer that the first heat exchanger tube 11 absorbs is given
Flow the liquid nitrogen in the first heat exchanger tube 11, liquid nitrogen under the action of liquid nitrogen pressure tank and under the action of itself heat absorption expansion according to
It is secondary that first heat exchanger tube 11 of cantilever tip is located at by concatenated first heat exchanger tube 11 flow direction, and refrigeration is discharged by discharge outlet
Outside storehouse.At the same time, it is operated positioned at the wind dispelling device 30 of cradle top, air is blowed to the other positions of refrigeration warehouse, be located at branch
The cold air stream of frame bottom end is formed to cantilever tip and is supplemented, and is located at the airmount bottom end in refrigeration warehouse elsewhere and is formed benefit
It fills, is thusly-formed circulating current, to form the effect of refrigeration to entire refrigeration warehouse.
With the design method, when which is used for the refrigeration of refrigeration warehouse, such as refrigerating transport vehicle or fishery it is cold
When the refrigeration of Zang Cang, have the advantage that
1) relative to the existing refrigeration system using diesel oil or gasoline, which uses liquid nitrogen system
It is cold, emission can be effectively reduced to extraneous pollution.
2) since the refrigeration equipment 100 is freezed using liquid nitrogen, relative to the existing system using diesel oil or gasoline
Cooling system, when refrigerating transport vehicle or fishing boat are in the case where closing engine, moreover it is possible to the low temperature in storehouse of continuing that Keep cool, from
And the consumption of oily electricity is reduced, save the cost.
3) due to the refrigeration equipment 100 in use, liquid nitrogen flows in closed pipeline, and by discharged to cold
Outside Zang Cang, the danger that personnel generate asphyxia when entering in refrigeration warehouse is avoided.
4) for the refrigeration system for using diesel oil or gasoline, the refrigeration equipment is easy to maintenance, it is only necessary to check
Whether Valve joint leaks or provides for simple replacement of some valves.
5) liquid nitrogen is directly discharged to the mode freezed in refrigeration warehouse, the liquid nitrogen of the refrigeration equipment relative to existing
When being to be flowed in closed pipeline, be not discharged into refrigeration warehouse, thus opening refrigeration warehouse every time, discharged without waiting for liquid nitrogen
Refrigeration warehouse out can just enter refrigeration warehouse, the leakage of cold air on the one hand can be effectively reduced, on the other hand can have when concentration reduces
Effect reduces the usage amount of liquid nitrogen, save the cost.
Preferably, there are five first heat exchanger tube 11 is set, bottom end direction of five first heat exchanger tubes 11 from bracket
The top of bracket is intervally arranged on bracket.
Preferably, each heat-exchanging component 10 further includes that several bendings are arranged and are connected to same first heat exchanger tube 11
The second heat exchanger tube 12, the both ends of each second heat exchanger tube 12 are connect with the side wall of the first heat exchanger tube 11.With the design method,
By the way that the second heat exchanger tube 12 is arranged, it can effectively increase the heat exchange area of heat-exchanging component 10, allow heat-exchanging component 10 fast
The heat of surrounding air is absorbed fastly, to play preferable cooling effect.
Preferably, each second heat exchanger tube 12 straightway structure tangent with the arc section both ends by an arc section and respectively
At one end far from the arc section of two straightways is connect with the side wall of first heat exchanger tube 11.Specifically, may be used
To be attached by welding.
Preferably, the second heat exchanger tube 12 is located at the side close to bracket bottom end of the first heat exchanger tube 11.
Preferably, several second heat exchanger tubes 12 divide the one of two rows of close bracket bottom ends for being set to the first heat exchanger tube 11
Side.
Preferably, the axial direction that often ranked second heat exchanger tube 12 includes a plane of symmetry, two rows of second heat exchanger tubes 12 it
The plane of symmetry S of one row1Angle α with horizontal direction is 25 ± 1 °, the plane of symmetry S of another row of two rows of second heat exchanger tubes 122
Angle β with vertical direction is 25 ± 1 °.With the design method, be conducive to flowing of the liquid nitrogen in the second heat exchanger tube 12, thus
Generate preferable heat transfer effect.
Preferably, the first heat exchanger tube 11 and the second heat exchanger tube 12 are all red copper heat exchanger tube.Red copper has preferable heat transfer
Performance has preferable heat transfer effect, can be effectively saved the dosage of liquid nitrogen.It is to be appreciated that the first heat exchanger tube 11 and
Two heat exchanger tubes 12 are not limited to using red copper material, for example, by using brass, carbon steel, low-alloy steel, stainless steel, corronil,
Aluminium alloy, titanium are also possible.
Preferably, the first heat exchanger tube 11 of connection is both provided on each first heat exchanger tube 11 so that the first heat exchanger tube 11 carries out
Pressure detecting or for installing the other pipe 13 of pressure gauge on the first heat exchanger tube 11, it is each by be provided with for covering on pipe 13
The pipe cap 14 of the other pipe 13.
Preferably, which further includes several third heat exchanger tubes 40, two the first heat exchanger tubes of arbitrary neighborhood
A third heat exchanger tube 40 is both provided between 11, the both ends of each third heat exchanger tube 40 are connected to by a connecting pipe 41 respectively
Two adjacent the first heat exchanger tubes 11.Specifically, third heat exchanger tube 40 plays the role of buffering liquid nitrogen flow velocity, enables liquid nitrogen
It smoothly flows, to improve the utilization rate of liquid nitrogen.It is to be appreciated that if being not provided with third heat exchanger tube 40, liquid nitrogen due to
The pressure effect of liquid nitrogen container and itself expansion can quickly be flowed in the first heat exchanger tube 11, so that heat exchange has not been completed in liquid nitrogen
In the case of i.e. from delivery pipe 20 be discharged, cause the waste of liquid nitrogen.
Preferably, there are four the third heat exchanger tube 40 is set, an institute is provided between two adjacent the first heat exchanger tubes 11
State third heat exchanger tube 40.
Preferably, the third heat exchanger tube 40 is red copper heat exchanger tube.
First heat exchanger tube 11 of bracket bottom end is preferably located at including the first heat exchanger tube tube body 113 and positioned at first
Bend pipe 114 in heat exchanger tube tube body 113, one end of bend pipe 114 towards the bottom of the first heat exchanger tube tube body 113, bend pipe 114 it is another
One end is connect with connecting pipe 41.With the design method, by being provided with bend pipe 114 and by one end of bend pipe 114 towards first
The bottom of heat exchanger tube tube body 113, in this way, the liquid nitrogen into first heat exchanger tube 11 can relatively rapid flow to next
One heat exchanger tube 11, and it is just more logical into the circulation of next first heat exchanger tube 11 namely liquid nitrogen to certain liquid level not have to accumulation
Freely, the utilization efficiency of liquid nitrogen can be improved.Specifically, one end of bend pipe 114 can by welding with the first heat exchanger tube
Tube body 113 is fixed.
Preferably, which further includes the first valve 51 and the liquid nitrogen delivery pipe that is connected to the first heat exchanger tube 11
The entrance in road 52, the first valve 51 is connected to liquid nitrogen container, the outlet liquid nitrogen conveyance conduit 52 of the first valve 51.
Preferably, liquid nitrogen conveyance conduit 52 includes main feedline 521 and quantity and the consistent side of 11 quantity of the first heat exchanger tube
Delivery pipe 522, one end of each side delivery pipe 522 are connected to main feedline 521, the other end difference of each side delivery pipe 522
It is connected to one first heat exchanger tube 11.With the design method, conveyed centainly by setting side delivery pipe 522 to each first heat exchanger tube 11
The liquid nitrogen of amount can promote the heat exchanger effectiveness of all first heat exchanger tubes 11.Preferably, the caliber of each side delivery pipe 522 is small
In the caliber of the main feedline 521, for example, side delivery pipe 522 caliber be main feedline 521 a quarter to two/
One, with the design method, liquid nitrogen reflux can be prevented.
Preferably, which further includes the balance tube assembly 60 for buffering for liquid nitrogen, balance tube assembly 60
One end is connected to the one end for the first heat exchanger tube 11 for being located at bracket bottom end, is balanced the other end of tube assembly 60 and is located at bracket bottom end
The first heat exchanger tube 11 the other end connection.With the design method, tube assembly 60 is balanced by setting, it can be with convection current carry in branch
The liquid nitrogen of first heat exchanger tube 11 of frame bottom end forms the effect of buffering, so that liquid nitrogen flowing more in the first heat exchanger tube 11
Smooth, the heat exchanger effectiveness of the first heat exchanger tube 11 reduces the usage amount of liquid nitrogen.
Preferably, balance tube assembly 60 includes being vertically arranged at the first balance pipe 61 of bracket side and being horizontally placed on branch
One end of second balance pipe 62, the third balance pipe 63 on frame top, the second balance pipe 62 and third balance pipe 63 be located at bracket
One end of first heat exchanger tube 11 of bottom end is connected to, the other end and the first balance of the second balance pipe 62 and third balance pipe 63
The top of pipe 61 is connected to, and the bottom end of the first balance pipe 61 is connected to the other end for the first heat exchanger tube 11 for being located at bracket bottom end.
The first heat exchanger tube 11 for being preferably located at bracket bottom end is respectively communicated with second balance pipe 62 by two groups of pipelines
It with third balance pipe 63, is interconnected between the second balance pipe 62 and third balance pipe 63 by several pipelines, the second balance
Pipe 62 and third balance pipe 63 are connected to the top of the first balance pipe 61 by two groups of pipelines, and the bottom end of the first balance pipe 61 is logical
It crosses several pipelines and is connected to the first heat exchanger tube 11 positioned at the cantilever tip.Optionally, first positioned at bracket bottom end is changed
The diameter of the pipeline interconnected between heat pipe 11, the first balance pipe 61, the second balance pipe 62 and third balance pipe 63 have 6mm,
15mm、20mm、25mm。
Preferably, delivery pipe 20 includes the second pipe for being connected to the first pipeline section 21 of the first balance pipe 61 and being fixed on bracket
Section 22, wind dispelling device 30 include several wind energy driving mechanisms 31, quantity and consistent first gas of 31 quantity of wind energy driving mechanism
Body delivery pipe 32 and quantity and the consistent second gas delivery pipe 33 of 31 quantity of wind energy driving mechanism, wind energy driving mechanism 31,
First gas delivery pipe 32 and second gas delivery pipe 33 are all arranged at intervals at the tip-end-side of bracket, wind energy driving mechanism 31
It is provided with gas feed 311 and gas vent 312, one end of first gas delivery pipe 32 is connected to the first pipeline section 21, the first gas
The other end of body delivery pipe 32 is connected to gas feed 311, and one end of second gas delivery pipe 33 is connect with gas vent 312,
The other end of second gas delivery pipe 33 is connected to the second pipeline section 22.With the design method, can be formed by liquid nitrogen gasification
The operating of air stream drives wind energy driving mechanism 31 realizes the multiple utilization of the energy, energy saving, reduces cost.It is understood that
Ground, wind dispelling device 30 can also be not configured to be driven by the liquid nitrogen after gasification, for example, by being provided in cradle top
It is also possible that circulating current is formed by electrically driven (operated) fan.
Preferably, delivery pipe 20 further includes third pipeline section 23, and one end of third pipeline section 23 is connected to discharge outlet, third pipeline section
23 other end is connected to the first pipeline section 21.
Preferably, each wind energy driving mechanism 31 includes air motor 313 and the impeller connecting with air motor 313
314, air motor 313 is provided with the gas feed 311 and the gas vent 312.
Preferably, each wind dispelling device 30 further includes that quantity and 31 quantity one of wind energy driving mechanism are shown for adjusting first
Second valve 34 of the air-flow size in air shooter, the second valve 34 are set to first gas delivery pipe 32 and air motor
It is connect between 313 and respectively with first gas conveyance conduit 52, air motor 313.
When entire refrigeration equipment 100 operates, liquid nitrogen enters main feedline 521 by the first valve 51 from liquid nitrogen container, then leads to
It crosses the side delivery pipe 522 connecting with main feedline 521 and enters the first heat exchanger tube 11 for being located at bracket bottom end, positioned at bracket bottom end
Pass through connecting tube under the action of the liquid nitrogen of first heat exchanger tube 11 pressure caused by the pressure of liquid nitrogen container and heat absorption itself expand
Road 41 reaches the first heat exchanger tube 11 for being located at cantilever tip followed by concatenated third heat exchanger tube 40, the first heat exchanger tube 11, so
Wind dispelling device 20 is driven to run from discharge outlet by the first pipeline section 21 afterwards, the wind dispelling device 20 of operation forms cold follow in refrigeration warehouse
Ring air-flow is discharged into outside refrigeration warehouse by the nitrogen of wind dispelling device 20 from the second pipeline section 22.Enter in liquid nitrogen and is located at bracket bottom end
The first heat exchanger tube 11 while, liquid nitrogen passes through the pipeline flow that is connected to the first heat exchanger tube 11 to the second balance pipe 62, third
Balance pipe 63 and the first balance pipe 61 are eventually returned to the first heat exchanger tube 11, buffer to be formed and be formed to liquid nitrogen, so that liquid nitrogen
Flow velocity is gentle during circulation, and the heat exchange efficiency of refrigeration equipment 100 is high, saves the dosage of liquid nitrogen.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (16)
1. a kind of refrigeration equipment, for giving refrigeration warehouse to provide cold air, which is characterized in that the refrigeration equipment includes:
Bracket, for being placed in refrigeration warehouse；
Liquid nitrogen container, for being placed in refrigeration warehouse or outside refrigeration warehouse；
Heat-exchanging component, the heat-exchanging component are equipped with several, and each heat-exchanging component includes first heat exchanger tube, each described
First heat exchanger tube is intervally arranged from the bottom end of the bracket towards the top of the bracket on the bracket, and described in several
First heat exchanger tube is sequentially connected in series, positioned at the bracket bottom end first heat exchanger tube have for connect with the liquid nitrogen container with
Enter the import in first heat exchanger tube for liquid nitrogen, first heat exchanger tube positioned at the cantilever tip has for for nitrogen
The discharge outlet of gas discharge；
Delivery pipe, the delivery pipe have the connecting pin for being connected to the discharge outlet and for will be outside nitrogen discharges to the refrigeration warehouse
Free end；
Wind dispelling device, the wind dispelling device are set to the top of the bracket for forming circulating air in the refrigeration warehouse
Stream.
2. refrigeration equipment according to claim 1, which is characterized in that each heat-exchanging component further includes that several are curved
The second heat exchanger tube that song is arranged and is connected to same first heat exchanger tube, the both ends of each second heat exchanger tube and institute
State the side wall connection of the first heat exchanger tube.
3. refrigeration equipment according to claim 2, which is characterized in that second heat exchanger tube is located at first heat exchanger tube
Close to the bracket bottom end side.
4. refrigeration equipment according to claim 3, which is characterized in that several described second heat exchanger tube point two rows are set to
The side close to the bracket bottom end of first heat exchanger tube.
5. refrigeration equipment according to claim 2, which is characterized in that first heat exchanger tube and second heat exchanger tube are all
For red copper heat exchanger tube.
6. refrigeration equipment according to claim 1, which is characterized in that be both provided with connection on each first heat exchanger tube
First heat exchanger tube carries out pressure detecting or for first heat exchanger tube for installing pressure on first heat exchanger tube
The other of power table is managed, and the pipe cap for covering the other pipe is provided on each other pipe.
7. refrigeration equipment according to any one of claims 1 to 6, which is characterized in that the refrigeration equipment further includes several
A third heat exchanger tube, is both provided with a third heat exchanger tube between two the first heat exchanger tubes of arbitrary neighborhood, and each described
The both ends of three heat exchanger tubes are all connected to first heat exchanger tube of adjacent two by a connecting pipe respectively.
8. refrigeration equipment according to claim 7, which is characterized in that first heat exchanger tube positioned at the bracket bottom end
Including the first heat exchanger tube tube body and it is located at the intracorporal bend pipe of the first heat exchange tube, one end of the bend pipe is towards described first
The bottom of heat exchanger tube tube body, the other end of the bend pipe are connect with the connecting pipe.
9. refrigeration equipment according to any one of claims 1 to 6, which is characterized in that the refrigeration equipment further includes first
The entrance of valve and the liquid nitrogen conveyance conduit being connected to first heat exchanger tube, first valve is connected to the liquid nitrogen container, institute
State liquid nitrogen conveyance conduit described in the outlet of the first valve.
10. refrigeration equipment according to claim 9, which is characterized in that the liquid nitrogen conveyance conduit include main feedline and
Quantity and the consistent side delivery pipe of first number of heat exchange tubes, one end of each side delivery pipe is connected to the main conveying
Pipe, the other end of each side delivery pipe are respectively communicated with first heat exchanger tube.
11. refrigeration equipment according to any one of claims 1 to 6, which is characterized in that the refrigeration equipment further includes being used for
For the balance tube assembly of liquid nitrogen buffering, one end of the balance tube assembly and first heat exchanger tube for being located at the bracket bottom end
One end connection, it is described balance tube assembly the other end be located at the bracket bottom end first heat exchanger tube the other end connect
It is logical.
12. refrigeration equipment according to claim 11, which is characterized in that the balance tube assembly includes being vertically arranged at institute
It states the first balance pipe of bracket side and is horizontally placed on the second balance pipe, the third balance pipe of the cantilever tip, described the
One end of two balance pipes and the third balance pipe is connected to the one end for first heat exchanger tube for being located at the bracket bottom end, institute
The other end for stating the second balance pipe and the third balance pipe is connected to the top of first balance pipe, first balance pipe
Bottom end be connected to the other end of first heat exchanger tube for being located at the bracket bottom end.
13. refrigeration equipment according to claim 12, which is characterized in that the delivery pipe includes being connected to first balance
First pipeline section of pipe and the second pipeline section being fixed on the bracket, the wind dispelling device include several wind energy driving mechanisms,
Quantity and the consistent first gas delivery pipe of the wind energy driving mechanism quantity and quantity and the wind energy driving mechanism quantity
Consistent second gas delivery pipe, the wind energy driving mechanism, the first gas delivery pipe and second gas conveying
Pipe is all arranged at intervals at the tip-end-side of the bracket, and the wind energy driving mechanism is provided with gas feed and gas vent, institute
The one end for stating first gas delivery pipe is connected to first pipeline section, the other end and the gas of the first gas delivery pipe
One end of inlet communication, the second gas delivery pipe is connect with the gas vent, the second gas delivery pipe it is another
End is connected to second pipeline section.
14. refrigeration equipment according to claim 13, which is characterized in that the delivery pipe further includes third pipeline section, described
One end of third pipeline section is connected to the discharge outlet, and the other end of the third pipeline section is connected to first pipeline section.
15. refrigeration equipment according to claim 13, which is characterized in that each wind energy driving mechanism includes pneumatic
Motor and the impeller connecting with the air motor, the air motor are provided with the gas feed and the gas vent.
16. refrigeration equipment according to claim 15, which is characterized in that each wind dispelling device further includes quantity and institute
It states wind energy driving mechanism quantity one and shows the second valve for adjusting the air-flow size in the first gas delivery pipe, it is described
Second valve is set between the first gas conveyance conduit and the air motor and conveys respectively with the first gas
Pipeline, air motor connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012857.XA CN109249777A (en) | 2018-08-31 | 2018-08-31 | Refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811012857.XA CN109249777A (en) | 2018-08-31 | 2018-08-31 | Refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109249777A true CN109249777A (en) | 2019-01-22 |
Family
ID=65049824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811012857.XA Pending CN109249777A (en) | 2018-08-31 | 2018-08-31 | Refrigeration equipment |
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| Country | Link |
|---|---|
| CN (1) | CN109249777A (en) |
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