CN108679881A - Odevity is alternatively arranged long rectangle reciprocating cold medium heater and its snow melt de-icing method - Google Patents
Odevity is alternatively arranged long rectangle reciprocating cold medium heater and its snow melt de-icing method Download PDFInfo
- Publication number
- CN108679881A CN108679881A CN201810473185.6A CN201810473185A CN108679881A CN 108679881 A CN108679881 A CN 108679881A CN 201810473185 A CN201810473185 A CN 201810473185A CN 108679881 A CN108679881 A CN 108679881A
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- Prior art keywords
- gas
- heat exchanger
- exchanger tube
- main frame
- tube
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- 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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- 239000005413 snowmelt Substances 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000002826 coolant Substances 0.000 claims abstract description 30
- 239000003507 refrigerant Substances 0.000 claims description 46
- 230000008676 import Effects 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/24—Methods or arrangements for preventing slipperiness or protecting against influences of the weather
- E01C11/26—Permanently installed heating or blowing devices ; Mounting thereof
Abstract
The present invention relates to a kind of odevities to be alternatively arranged long rectangle reciprocating cold medium heater and its snow melt de-icing method, including the first gas-distributing pipe being correspondingly arranged and the first gas collecting tube, the second gas-distributing pipe and the second gas collecting tube that are correspondingly arranged；First gas-distributing pipe is connect by the first heat exchanger tube of several groups with second gas collecting tube, for the gaseous coolant working medium for entering the first gas-distributing pipe to be delivered to the second gas collecting tube by the first heat exchanger tube；Second gas-distributing pipe is connect by the second heat exchanger tube of several groups with first gas collecting tube, for the gaseous coolant working medium for entering the second gas-distributing pipe to be delivered to the first gas collecting tube by the second heat exchanger tube；Structure of the invention reasonable design, low-temperature heat snow melt clearing ice technology is realized to the airfield runway of existing extremely frigid zones, bridges and culverts, strategic highway Local Road Surface to break through, it has ensured extremely frigid zones airfield runway flight landing safety, has ensured the vehicle pass-through safety of extremely frigid zones bridges and culverts, strategic highway.
Description
Technical field
The present invention relates to pipe heat exchanger technical fields, more particularly to one kind being suitable for airfield runway, bridges and culverts, strategic highway
Odevity is alternatively arranged long rectangle reciprocating cold medium heater and its snow melt de-icing method used in.
Background technology
Airfield runway snow melt deicing disclosed in the prior art is handled by snow blowing truck, however due to high and cold natural weather
Reason is unable to reach the purpose of deicing, and serious uncertain security risk is brought to flight Normal Take-Off And Landing.
The salt deicing salt that bridges and culverts, strategic highway use at present, it is well known that though salt deicing salt can snow melt, its
Road pavement causes certain corrosiveness, and the plantation forest of road pavement attachment has destructive consequence, especially bridges and culverts
The corrosiveness of metal component.
Therefore, airfield runway, bridges and culverts, strategic highway existing snow melt clearing ice technology cannot effectively and reliably ensure aircraft
Flight landing, vehicle pass-through safety, be letter technical problem to be solved in industry.
Invention content
In order to solve the deficiency of airfield runway, bridges and culverts, strategic highway snow melt deicing effect in the prior art, the present invention provides
A kind of odevity is alternatively arranged long rectangle reciprocating cold medium heater and its snow melt de-icing method, is melted by way of heating
Snow and ice.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of odevity is alternatively arranged long rectangle reciprocating cold medium heater, which is characterized in that including：
The first gas-distributing pipe and the first gas collecting tube being correspondingly arranged；
The second gas-distributing pipe and the second gas collecting tube being correspondingly arranged；
First gas-distributing pipe is connect by the first heat exchanger tube of several groups with second gas collecting tube, for that will enter first
The gaseous coolant working medium of gas-distributing pipe is delivered to the second gas collecting tube by the first heat exchanger tube；
Second gas-distributing pipe is connect by the second heat exchanger tube of several groups with first gas collecting tube, for that will enter second
The gaseous coolant working medium of gas-distributing pipe is delivered to the first gas collecting tube by the second heat exchanger tube；
Between every group of first heat exchanger tube and every group of second heat exchanger tube structure is spaced apart in odd, even number.
First gas collecting tube and the second gas collecting tube are all made of u-tube structure, by u-tube structure for keeping each first
Gaseous coolant working medium circulation stroke between heat exchanger tube between each second heat exchanger tube is identical.
Every group of first heat exchanger tube or every group of second heat exchanger tube include an at least heat exchanger tube.
First heat exchanger tube, the second heat exchanger tube or/and the first gas-distributing pipe, the second gas-distributing pipe or/and the first gas collecting tube,
The lower outside of two gas collecting tubes is enclosed with thermal insulation layer, the first heat exchanger tube, the second heat exchanger tube or/and the first gas-distributing pipe, second point
The upper outside of tracheae or/and the first gas collecting tube, the second gas collecting tube is equipped with radiating fin.
The radiating fin includes along place tube length direction and radially-arranged at least one set.
The refrigerant medium is R134a or R407c or R410a or R290 or R32.
Further comprise the first heat pump main frame and the second heat pump main frame, the refrigerant medium outlet of first heat pump main frame and the
One gas-distributing pipe connects, and the refrigerant medium import of the first heat pump main frame connect with the first gas collecting tube, second heat pump main frame it is cold
Matchmaker's sender property outlet is connect with the second gas-distributing pipe, and the refrigerant medium import of the second heat pump main frame is connect with the second gas collecting tube.
First heat pump main frame and the second heat pump main frame include compressor, evaporator and expansion valve, compressor it is defeated
Enter and is sequentially connected by refrigerant medium pipeline between the output end of end, evaporator and expansion valve, the compressor of the first heat pump main frame
Output end refrigerant medium pipeline connect with the first gas-distributing pipe, the input terminal refrigerant medium pipeline of the expansion valve of the first heat pump main frame
It being connect with the first gas collecting tube, the output end refrigerant medium pipeline of the compressor of the second heat pump main frame is connect with the second gas-distributing pipe, the
The input terminal refrigerant medium pipeline of the expansion valve of two heat pump main frames is connect with the second gas collecting tube.
A kind of odevity is alternatively arranged the snow melt de-icing method of long rectangle reciprocating cold medium heater, which is characterized in that packet
Include following steps：
It will be by the first heat exchanger tube, the second heat exchanger tube, the first gas-distributing pipe, the second gas-distributing pipe, the first gas collecting tube and the second gas collection
The pipe heat exchanger assembly that pipe is constituted is embedded in lower part in the body layer of road surface, and by pipe heat exchanger assembly respectively with the first heat pump
Host and the connection of the second heat pump main frame；
The first heat pump main frame and the second heat pump main frame are opened, the refrigerant medium of the first heat pump main frame is exported gaseous coolant work
Matter is delivered to the refrigerant medium import of the second heat pump main frame by the first gas-distributing pipe, the first heat exchanger tube and the second gas collecting tube, and second
The refrigerant medium outlet of heat pump main frame conveys gaseous coolant working medium by the second gas-distributing pipe, the second heat exchanger tube and the first gas collecting tube
To the refrigerant medium import of the first heat pump main frame, the gaseous coolant working medium of the first heat exchanger tube and the circulation in the second heat exchanger tube is distinguished
It is recycled between the first heat pump main frame and the second heat pump main frame, and the gaseous state in adjacent first heat exchanger tube and the second heat exchanger tube
Refrigerant medium circulating direction is opposite；
Heat is discharged by the gaseous coolant working medium in the first heat exchanger tube and the second heat exchanger tube, through the first heat exchanger tube and second
Heat exchange pipe surface and respective radiating fin transfer heat in the body layer of road surface, make road surface body layer temperature rise, satisfy the need
Accumulated snow and ice on face are melted.
The beneficial effects of the invention are as follows：It is reasonable in design, it is public to the airfield runway of existing extremely frigid zones, bridges and culverts, strategy
Road Local Road Surface realizes the breakthrough of low-temperature heat snow melt clearing ice technology, has ensured extremely frigid zones airfield runway flight landing safety,
The vehicle pass-through safety of extremely frigid zones bridges and culverts, strategic highway is ensured, while as needed, which is equally applicable to other tools
There is the Special Road of snow melt deicing demand.
Using the high efficiency of the geothermal heating of heat pump main frame, i.e., only needs to reach 0 DEG C or more in surface temperature and can be achieved with melting
Snow and ice substantially increases the utilization rate of the energy, significantly reduces fortune since the Energy Efficiency Ratio COP of heat pump main frame is commonly reached
Cost is sought, it is environmentally safe.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram of heat exchanger tube.
Fig. 3 is the system structure diagram of heat pump main frame.
In figure：1 first heat pump main frame, 2 first gas-distributing pipes, 3 first gas collecting tubes, 4 first heat exchanger tubes, 5 second heat exchanger tubes, 6
Second heat pump main frame, 7 second gas-distributing pipes, 8 second gas collecting tubes, 9 radiating fins, 10 thermal insulation layers, 11 compressors, 12 evaporators, 13
Expansion valve.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
According to Fig. 1, Fig. 2, Fig. 3：A kind of odevity is alternatively arranged long rectangle reciprocating cold medium heater, including：
First heat pump main frame 1 and with the first gas-distributing pipe 2 of the refrigerant medium of the first heat pump main frame 1 outlet connection and with the
First gas collecting tube 3 of the refrigerant medium import connection of one heat pump main frame 1；
Second heat pump main frame 6 and with the second gas-distributing pipe 7 of the refrigerant medium of the second heat pump main frame 6 outlet connection and with the
Second gas collecting tube 8 of the refrigerant medium import connection of two heat pump main frames 6；
First gas collecting tube 3 is connect by the first heat exchanger tube of several groups 4 with second gas collecting tube 8, the first heat pump master
Gaseous coolant working medium is delivered to by the refrigerant medium outlet of machine 1 by the first gas-distributing pipe 2, the first heat exchanger tube 4 and the second gas collecting tube 8
The refrigerant medium import of second heat pump main frame 6；
Second gas collecting tube 8 is connect by the second heat exchanger tube of several groups 5 with first gas collecting tube 3, the second heat pump master
Gaseous coolant working medium is delivered to by the refrigerant medium outlet of machine 6 by the second gas-distributing pipe 7, the second heat exchanger tube 5 and the first gas collecting tube 3
The refrigerant medium import of first heat pump main frame 1；
Between described every group the first heat exchanger tube 4 and every group of second heat exchanger tube 5 structure, and every group are spaced apart in odd, even number
First heat exchanger tube 4 and every group of second heat exchanger tube 5 include a heat exchanger tube.
In above structure, pass through two one-way circulation gaseous coolant works between the first heat pump main frame 1 and the second heat pump main frame 6
The pipeline of matter constitutes an entirety so that the gaseous coolant working medium in the first heat exchanger tube 4 and the second heat exchanger tube 5 circulates in opposite directions, real
Now heat dissipation effect is uniform, stable.
Further, first gas collecting tube, 3 and second gas collecting tube 8 is all made of u-tube structure, is used by u-tube structure
Gaseous coolant working medium circulation stroke between keeping each first heat exchanger tube 4 between each second heat exchanger tube 5 is identical, specifically,
Heat exchanger tube and gas collecting tube, the relative position Opposite direction connection of air inlet pipe, gas-distributing pipe is set to enter heat exchanger tube at first by u-tube structure
Gaseous coolant working medium eventually enters into the least significant end of gas collecting tube, instead gas-distributing pipe finally enter heat exchanger tube gaseous coolant working medium it is final
Into the most head end of gas collecting tube, to control the stroke length of gaseous coolant working medium in equal length；
Further, first heat pump main frame, 1 and second heat pump main frame 6 includes compressor 11, evaporator 12 and swollen
Swollen valve 13, by refrigerant medium piping connection between the input terminal of compressor 11, evaporator 12 and the output end of expansion valve 13,
The output end refrigerant medium pipeline of the compressor 11 of one heat pump main frame 1 is connect with the first gas-distributing pipe 2, the first heat pump main frame 1 it is swollen
The input terminal refrigerant medium pipeline of swollen valve 13 is connect with the first gas collecting tube 3, and the output end of the compressor 11 of the second heat pump main frame 6 is cold
Matchmaker's working medium pipeline is connect with the second gas-distributing pipe 7, the input terminal refrigerant medium pipeline and second of the expansion valve 13 of the second heat pump main frame 6
Gas collecting tube 8 connects；In the structure, on the basis of existing heat pump main frame structure, it is reciprocal that long rectangle is alternatively arranged by odevity
Formula refrigerant heater replace heat pump main frame condenser, can by the heat of gaseous coolant working medium in each pipeline directly with outside
Environment carries out heat exchange and realizes heat dissipation.
Further, first heat exchanger tube 4, the second heat exchanger tube 5, the first gas-distributing pipe 2, the second gas-distributing pipe 7, first collection
The lower outside of tracheae 3 and the second gas collecting tube 8 is enclosed with thermal insulation layer 10, and thermal insulation layer 10 uses high molecular plastics and rubber material, has
The advantages of corrosion resistant, heat preservation, the first heat exchanger tube 4, the second heat exchanger tube 5, the first gas-distributing pipe 2, the second gas-distributing pipe 7,3 and of the first gas collecting tube
The upper outside of second gas collecting tube 8 is equipped with radiating fin, and radiating fin includes along place tube length direction and radial direction point
Cloth it is multigroup, the heat insulation effect of tube body lower part is realized by the thermal insulation layer 10 of each tube body lower part, prevents heat from being made to lower part diffusion
Low at utilization rate, the radiating fin on each tube body top is for improving heat exchange area, so as to make full use of gaseous coolant work
The heat of matter heats external environment.
The refrigerant medium be R134a or R407c or R410a or R290 or R32, can according to actual conditions, require into
Row selection uses.
A kind of odevity is alternatively arranged the snow melt de-icing method of long rectangle reciprocating cold medium heater, includes the following steps：
It will be by the first heat exchanger tube 4, the second heat exchanger tube 5, the first gas-distributing pipe 2, the second gas-distributing pipe 7, the first gas collecting tube 3 and second
The pipe heat exchanger assembly that gas collecting tube 8 is constituted is embedded in lower part in the body layer of road surface, and by pipe heat exchanger assembly respectively with the
One heat pump main frame 1 and the connection of the second heat pump main frame 6；
The first heat pump main frame 1 and the second heat pump main frame 6 are opened, the refrigerant medium outlet of the first heat pump main frame 1 is cold by gaseous state
Matchmaker's working medium by the first gas-distributing pipe 2, the first heat exchanger tube 4 and the second gas collecting tube 8 be delivered to the refrigerant medium of the second heat pump main frame 6 into
Mouthful, the refrigerant medium of the second heat pump main frame 6 is exported passes through the second gas-distributing pipe 7, the second heat exchanger tube 5 and first by gaseous coolant working medium
Gas collecting tube 3 is delivered to the refrigerant medium import of the first heat pump main frame 1, the gas of the first heat exchanger tube 4 and the circulation in the second heat exchanger tube 5
State refrigerant medium recycles between the first heat pump main frame 1 and the second heat pump main frame 6 respectively, and 4 He of adjacent first heat exchanger tube
Gaseous coolant working medium circulating direction in second heat exchanger tube 5 is opposite；
Heat is discharged by the gaseous coolant working medium in the first heat exchanger tube 4 and the second heat exchanger tube 5, through 4 He of the first heat exchanger tube
Second heat exchanger tube, 5 surface and respective radiating fin transfer heat in the body layer of road surface, make road surface body layer temperature rise,
Accumulated snow and ice in road pavement are melted.
The foregoing is merely the preferred embodiments of the present invention, as long as achieving the object of the present invention skill with essentially identical means
Art scheme, belongs within protection scope of the present invention.
Claims (9)
1. a kind of odevity is alternatively arranged long rectangle reciprocating cold medium heater, which is characterized in that including：
The first gas-distributing pipe and the first gas collecting tube being correspondingly arranged；
The second gas-distributing pipe and the second gas collecting tube being correspondingly arranged；
First gas-distributing pipe is connect by the first heat exchanger tube of several groups with second gas collecting tube, for that will enter first point of gas
The gaseous coolant working medium of pipe is delivered to the second gas collecting tube by the first heat exchanger tube；
Second gas-distributing pipe is connect by the second heat exchanger tube of several groups with first gas collecting tube, for that will enter second point of gas
The gaseous coolant working medium of pipe is delivered to the first gas collecting tube by the second heat exchanger tube；
Between every group of first heat exchanger tube and every group of second heat exchanger tube structure is spaced apart in odd, even number.
2. odevity according to claim 1 is alternatively arranged long rectangle reciprocating cold medium heater, it is characterised in that：It is described
First gas collecting tube and the second gas collecting tube are all made of u-tube structure, by u-tube structure for keeping between each first heat exchanger tube and
Gaseous coolant working medium circulation stroke between each second heat exchanger tube is identical.
3. odevity according to claim 1 is alternatively arranged long rectangle reciprocating cold medium heater, it is characterised in that：It is described
Every group of first heat exchanger tube or every group of second heat exchanger tube include an at least heat exchanger tube.
4. odevity according to claim 1 is alternatively arranged long rectangle reciprocating cold medium heater, it is characterised in that：It is described
Under first heat exchanger tube, the second heat exchanger tube or/and the first gas-distributing pipe, the second gas-distributing pipe or/and the first gas collecting tube, the second gas collecting tube
It is enclosed with thermal insulation layer, the first heat exchanger tube, the second heat exchanger tube or/and the first gas-distributing pipe, the second gas-distributing pipe or/and first on the outside of portion
Gas collecting tube, the second gas collecting tube upper outside be equipped with radiating fin.
5. odevity according to claim 4 is alternatively arranged long rectangle reciprocating cold medium heater, it is characterised in that：It is described
Radiating fin includes along place tube length direction and radially-arranged at least one set.
6. odevity according to claim 1 is alternatively arranged long rectangle reciprocating cold medium heater, it is characterised in that：It is described
Refrigerant medium is R134a or R407c or R410a or R290 or R32.
7. the odevity according to claim 1-5 any one is alternatively arranged long rectangle reciprocating cold medium heater, special
Sign is：Further comprise the first heat pump main frame and the second heat pump main frame, the refrigerant medium outlet of first heat pump main frame and the
One gas-distributing pipe connects, and the refrigerant medium import of the first heat pump main frame connect with the first gas collecting tube, second heat pump main frame it is cold
Matchmaker's sender property outlet is connect with the second gas-distributing pipe, and the refrigerant medium import of the second heat pump main frame is connect with the second gas collecting tube.
8. odevity according to claim 7 is alternatively arranged long rectangle reciprocating cold medium heater, it is characterised in that：It is described
First heat pump main frame and the second heat pump main frame include compressor, evaporator and expansion valve, the input terminal of compressor, evaporator and
It is sequentially connected by refrigerant medium pipeline between the output end of expansion valve, the output end refrigerant work of the compressor of the first heat pump main frame
Matter pipeline is connect with the first gas-distributing pipe, and the input terminal refrigerant medium pipeline of the expansion valve of the first heat pump main frame and the first gas collecting tube connect
Connect, the output end refrigerant medium pipeline of the compressor of the second heat pump main frame is connect with the second gas-distributing pipe, the second heat pump main frame it is swollen
The input terminal refrigerant medium pipeline of swollen valve is connect with the second gas collecting tube.
9. a kind of odevity is alternatively arranged the snow melt de-icing method of long rectangle reciprocating cold medium heater, which is characterized in that including
Following steps：
It will be by the first heat exchanger tube, the second heat exchanger tube, the first gas-distributing pipe, the second gas-distributing pipe, the first gas collecting tube and the second gas collecting tube structure
At pipe heat exchanger assembly be embedded in lower part in the body layer of road surface, and by pipe heat exchanger assembly respectively with the first heat pump main frame
It is connected with the second heat pump main frame；
The first heat pump main frame and the second heat pump main frame are opened, the refrigerant medium outlet of the first heat pump main frame leads to gaseous coolant working medium
Cross the refrigerant medium import that the first gas-distributing pipe, the first heat exchanger tube and the second gas collecting tube are delivered to the second heat pump main frame, the second heat pump
Gaseous coolant working medium is delivered to the by the refrigerant medium outlet of host by the second gas-distributing pipe, the second heat exchanger tube and the first gas collecting tube
The gaseous coolant working medium of the refrigerant medium import of one heat pump main frame, the first heat exchanger tube and the circulation in the second heat exchanger tube is respectively
It is recycled between one heat pump main frame and the second heat pump main frame, and the gaseous coolant in adjacent first heat exchanger tube and the second heat exchanger tube
Working medium circulating direction is opposite；
Heat is discharged by the gaseous coolant working medium in the first heat exchanger tube and the second heat exchanger tube, is exchanged heat through the first heat exchanger tube and second
Pipe surface and respective radiating fin transfer heat in the body layer of road surface, make road surface body layer temperature rise, in road pavement
Accumulated snow and ice melted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810473185.6A CN108679881A (en) | 2018-05-10 | 2018-05-10 | Odevity is alternatively arranged long rectangle reciprocating cold medium heater and its snow melt de-icing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810473185.6A CN108679881A (en) | 2018-05-10 | 2018-05-10 | Odevity is alternatively arranged long rectangle reciprocating cold medium heater and its snow melt de-icing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679881A true CN108679881A (en) | 2018-10-19 |
Family
ID=63806462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810473185.6A Pending CN108679881A (en) | 2018-05-10 | 2018-05-10 | Odevity is alternatively arranged long rectangle reciprocating cold medium heater and its snow melt de-icing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679881A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359336A (en) * | 2019-07-25 | 2019-10-22 | 广东海洋大学 | The terrace in low temperature place |
| CN110359337A (en) * | 2019-07-25 | 2019-10-22 | 广东海洋大学 | A kind of terrace in low temperature place |
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| CN208254013U (en) * | 2018-05-10 | 2018-12-18 | 王梅军 | Odevity is alternatively arranged long rectangle reciprocating cold medium heater |
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|---|---|---|---|---|
| US3866439A (en) * | 1973-08-02 | 1975-02-18 | Carrier Corp | Evaporator with intertwined circuits |
| FR2444906A1 (en) * | 1978-12-18 | 1980-07-18 | Carrier Corp | VAPOR COMPRESSION REFRIGERATION PLANT |
| CN1188880A (en) * | 1997-01-20 | 1998-07-29 | 三星电子株式会社 | Coolant distributing system in multi-type air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110359336A (en) * | 2019-07-25 | 2019-10-22 | 广东海洋大学 | The terrace in low temperature place |
| CN110359337A (en) * | 2019-07-25 | 2019-10-22 | 广东海洋大学 | A kind of terrace in low temperature place |
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