CN110207527A - A kind of cool-heat-exchanger of air energy unit - Google Patents
A kind of cool-heat-exchanger of air energy unit Download PDFInfo
- Publication number
- CN110207527A CN110207527A CN201910467461.2A CN201910467461A CN110207527A CN 110207527 A CN110207527 A CN 110207527A CN 201910467461 A CN201910467461 A CN 201910467461A CN 110207527 A CN110207527 A CN 110207527A
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- China
- Prior art keywords
- heat exchanger
- heat
- refrigerant
- exchanger fin
- heater strip
- 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.)
- Pending
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 58
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000008236 heating water Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 6
- 238000010257 thawing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005272 metallurgy Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000004065 semiconductor Substances 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of cool-heat-exchangers of air energy unit.It includes the heat exchanger fin of several sheets, connecting tube and heating water tank, the shape of the heat exchanger fin is rectangular, it is parallel to each other between two neighboring heat exchanger fin, the top cross-sectional shape and following cross-sectional shape of the heat exchanger fin are semicircle, the top of the heat exchanger fin or it is following in one of side two angles on be equipped with refrigerant interface, the connecting tube includes refrigerant inlet pipe and refrigerant outlet pipe, one of refrigerant interface is connect with refrigerant inlet pipe, another refrigerant interface is connect with refrigerant outlet pipe, heating tube is equipped in the heating water tank, the refrigerant inlet pipe and refrigerant outlet pipe is connect with the heating tube in heating water tank.The beneficial effects of the present invention are: being not easy frosting icing, and the deicing effect that defrosts is good, and then improves cooling effect, structure is simple, easy to operate.
Description
Technical field
The present invention relates to exchanger correlative technology fields, refer in particular to a kind of cool-heat-exchanger of air energy unit.
Background technique
Heat exchanger is the equipment that the partial heat of hot fluid is passed to cold fluid, also known as heat exchanger.Heat exchanger is being changed
It is occupied an important position in work, petroleum, power, food and other many industrial productions, heat exchanger can be used as in Chemical Manufacture
Heater, cooler, condenser, evaporator and reboiler etc., are widely used.
Heat exchanger is the section that heat transfer between material is realized between a kind of fluid at two or more different temperatures
Energy equipment, is that heat is made to pass to the lower fluid of temperature by the higher fluid of temperature, fluid temperature (F.T.) is made to reach flow specification
Index to meet the needs of process conditions, while being also one of the capital equipment for improving energy utilization rate.Heat exchanger industry is related to
HVAC, pressure vessel, sewerage disposing equipment, chemical industry, nearly 30 multi industries such as petroleum mutually form industry chain (supply chain).Data are shown
Chinese heat exchanger industrial market scale in 2010 at 50,000,000,000 yuan or so, focus primarily upon petroleum, chemical industry, metallurgy, electric power, ship,
The fields such as central heating, refrigeration air-conditioner, machinery, food, pharmacy.Wherein, petrochemical industry is still that heat exchanger industry is maximum
Market, market scale be 15,000,000,000 yuan；Electric power field of metallurgy heat exchanger market scale is at 8,000,000,000 yuan or so；Shipping industry changes
Hot device market scale is at 4,000,000,000 yuan or more；Mechanical industry heat exchanger market scale is about 4,000,000,000 yuan；Central heating industry heat exchanger
Market scale is more than 3,000,000,000 yuan, and food industry also has nearly 3,000,000,000 yuan of market.In addition, aerospace craft, semiconductor devices, nuclear power
The fields such as conventional island nuclear island, wind power generating set, solar energy power generating, production of polysilicon require a large amount of profession heat exchange
Device, there are about 13,000,000,000 yuan of scales in these markets.Domestic heat exchanger industry is in energy efficiency, raising heat transfer efficiency, reduction heat-transfer area
Product, the research for reducing pressure drop, raising device calorific intensity etc. achieve important achievement.Based on petroleum, chemical industry, electric power, metallurgy,
The stable demand growth of the industries heat exchanging device such as ship, machinery, food, pharmacy, China's heat exchanger industry is in following one period
Interior to keep steady growth, period, China's heat exchanger industry will keep the speed of average annual 10-15% or so to 2020 within 2011
Increase, is expected to reach 150,000,000,000 yuan to the year two thousand twenty China heat exchanger industry scale.
Existing heat exchanger is all made of the mode of coil pipe, and frosting often can all occur during heat exchange in heat exchanger
Phenomenon, the especially northern area in China are particularly evident, heat exchanger work certain time after outside will one layer of knot very
Thick ice, if the heat transfer effect that will lead to entire heat exchanger so sharply declines without the deicing that timely defrosts, and
The defrosting deicing of general heat exchanger will interrupt the work of heat exchanger, and the deicing effect that defrosts is also unobvious, often has residual
The frost stayed is placed between the gap of coil pipe, so affect the heat transfer effect of heat exchanger.
Summary of the invention
The present invention is in order to overcome the above deficiencies in the prior art, to provide a kind of air energy of good effect of heat exchange
The cool-heat-exchanger of unit.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of cool-heat-exchanger of air energy unit, heat exchanger fin, connecting tube and heating water tank including several sheets are described
The shape of heat exchanger fin be it is rectangular, be parallel to each other between two neighboring heat exchanger fin, the top cross-sectional shape of the heat exchanger fin and under
Side cross-sectional shape is semicircle, the top of the heat exchanger fin or it is following in one of side two angles on be equipped with
Refrigerant interface, the connecting tube include refrigerant inlet pipe and refrigerant outlet pipe, and one of refrigerant interface is connect with refrigerant inlet pipe, separately
One refrigerant interface is connect with refrigerant outlet pipe, heating tube is equipped in the heating water tank, the refrigerant inlet pipe and refrigerant go out
Heating tube connection in Guan Junyu heating water tank.
It is designed by the structure of sheet heat exchanger fin, so that heat exchanger fin surface is not easy frosting icing；Pass through the top of heat exchanger fin
With the design of following semicircular structure so that the bottom and upper segment of heat exchanger fin is not easy frosting icing, so two neighboring heat exchange
Alternate frosting will not to freeze mutually frosting freezes between piece to tie together, cause entire cool-heat-exchanger cooling
Effect reduces；By the design of connecting tube, so that it is parallel with one another between heat exchanger fin, it is changed so refrigerant is entered by refrigerant inlet pipe
In backing, come out from heat exchanger fin by refrigerant outlet pipe, refrigerant directly enters in each heat exchanger fin from refrigerant inlet pipe, can make
The refrigerant obtained in heat exchanger fin plays a role completely, it is ensured that the cooling effect of entire cool-heat-exchanger；Pass through refrigerant inlet pipe and refrigerant
The design that outlet pipe is connect with the heating tube in heating water tank, so that the refrigerant in refrigerant inlet pipe and refrigerant outlet pipe passes through heating tube
Heating operation is carried out to the water in heating water tank, improves the utilization rate of the energy.
Preferably, the first heater strip is equipped on the bottom and upper segment of the heat exchanger fin, the shape of first heater strip
Shape is wavy to be evenly distributed on top surface and following surface.By the design of the first heater strip, enable to exchange heat
Frost and ice on piece bottom and upper segment quickly melt；In addition, the shape of the first heater strip designs, so that the effect of heating is more equal
Even distribution, defrosting deicing effect are more prominent.
Preferably, the side of the heat exchanger fin is equipped with several protrusions, the shape of the protrusion is hemispherical, described
Protrusion is divided into several rows and is distributed in longitudinal arrangement, is equipped with metal reinforcing in each row's protrusion, the protrusion on each row is logical
Metal reinforcing is crossed to be cascaded, the both ends of the metal reinforcing respectively with the first heater strip of the bottom and upper segment of heat exchanger fin
Connection.By the design of protrusion and its shape, so that the frost and ice between two neighboring heat exchanger fin will not be because of heat exchanger fin surface
It excessively smoothly adsorbs, frost and ice is caused to be not easy to fall between two neighboring heat exchanger fin；By the design of metal reinforcing, make
It can obtain heat from the first heater strip and pass to protrusion, and the position where protrusion will will appear hollow bubble, so that phase
There are gaps between adjacent two heat exchanger fins, so can preferably carry out defrosting deicing.
Preferably, the protrusion on adjacent two rows metal reinforcing is interspersed.It, can by the arranged distribution of protrusion
So that the bubble gap distribution between two neighboring heat exchanger fin is more reasonable, so that the frost and ice between two neighboring heat exchanger fin are more
It is easy therefrom to fall off.
Preferably, the cross-sectional shape of the connecting tube is semicircle, the circular arc of the connecting tube is face-up, the company
The arc surface of adapter tube is equipped with the second heater strip, and the shape of second heater strip is arc-shaped, and second heater strip covers
It covers on the arc surface of connecting tube, second heater strip is connect with the first heater strip.Pass through connecting tube and the second heater strip
Structure and shape design, on the one hand to be not easy frosting and icing on connecting tube and the first heater strip, on the other hand second plus
Heated filament connect the deicing that more can quickly defrost with the first heater strip.
Preferably, being equipped with ventilation hole at the center side of the heat exchanger fin.By the design of ventilation hole, phase is enabled to
Can be carried out effectively air circulation between adjacent two heat exchanger fins so that the frost and ice between two neighboring heat exchanger fin be easier from
In fall off.
The beneficial effects of the present invention are: being not easy frosting icing, and the deicing effect that defrosts is good, and then improves cooling effect
Fruit, structure is simple, easy to operate.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of heat exchanger fin；
Fig. 3 is the structural schematic diagram of the first heater strip；
Fig. 4 is the structural schematic diagram of connecting tube.
In figure: 1. heat exchanger fins, 2. connecting tubes, 3. metal reinforcings, 4. protrusions, 5. first heater strips, 6. second heater strips,
7. ventilation hole, 8. heating water tanks, 9. heating tubes.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as described in Figure 1, a kind of cool-heat-exchanger of air energy unit, heat exchanger fin 1 including several sheets,
Connecting tube 2 and heating water tank 8, the shape of heat exchanger fin 1 be it is rectangular, be parallel to each other between two neighboring heat exchanger fin 1, heat exchanger fin 1
Top cross-sectional shape and following cross-sectional shape are semicircle, the top of heat exchanger fin 1 or it is following in one of side
Two angles on be equipped with refrigerant interface, connecting tube 2 includes refrigerant inlet pipe and refrigerant outlet pipe, one of refrigerant interface and refrigerant
Inlet pipe connection, another refrigerant interface are connect with refrigerant outlet pipe, heating tube 9 are equipped in heating water tank 8, refrigerant inlet pipe and refrigerant go out
Heating tube 9 in Guan Junyu heating water tank 8 connects.As shown in figure 3, being equipped with the first heating on the bottom and upper segment of heat exchanger fin 1
Silk 5, the shape of the first heater strip 5 is wavy to be evenly distributed on top surface and following surface.As shown in Fig. 2, heat exchange
The side of piece 1 is equipped with several raised 4, and the shape of protrusion 4 is hemispherical, and 4 points of protrusion are distributed for several rows and in longitudinal arrangement,
Metal reinforcing 3 is equipped in each row's protrusion 4, the protrusion 4 on each row is cascaded by metal reinforcing 3, metal
The both ends of reinforcing rib 3 are connect with the first heater strip of bottom and upper segment 5 of heat exchanger fin 1 respectively.On adjacent two rows metal reinforcing 3
Protrusion is interspersed.Ventilation hole 7 is equipped at the center side of heat exchanger fin 1.As shown in figure 4, the cross-sectional shape of connecting tube 2 is
The circular arc of semicircle, connecting tube 2 is face-up, and the arc surface of connecting tube 2 is equipped with the second heater strip 6, the shape of the second heater strip 6
It is arc-shaped, the second heater strip 6 is covered on the arc surface of connecting tube 2, and the second heater strip 6 is connect with the first heater strip 5.
It is designed by the structure of sheet heat exchanger fin 1, so that 1 surface of heat exchanger fin is not easy frosting icing；Pass through the upper of heat exchanger fin 1
The design on side and following semicircular structure, so that the bottom and upper segment of heat exchanger fin 1 is not easy frosting icing, so two neighboring change
Alternate frosting will not to freeze mutually frosting freezes between backing 1 to tie together, lead to entire cool-heat-exchanger
Cooling effect reduces；By the design of connecting tube 2 so that parallel with one another between heat exchanger fin 1, so refrigerant by refrigerant inlet pipe into
Enter into heat exchanger fin 1, is come out from heat exchanger fin 1 by refrigerant outlet pipe, refrigerant directly enters each heat exchanger fin 1 from refrigerant inlet pipe
In, enable to the refrigerant in heat exchanger fin 1 to play a role completely, it is ensured that the cooling effect of entire cool-heat-exchanger.Pass through first
The design of heater strip 5 enables to the frost and ice on 1 bottom and upper segment of heat exchanger fin quickly to melt；The shape of first heater strip 5 is set
Meter, so that the effect of heating is more uniformly distributed, defrosting deicing effect is more prominent.Pass through ventilation hole 1 and protrusion 4 and its shape
Design cause so that frost and ice between two neighboring heat exchanger fin 1 will not be adsorbed because 1 surface of heat exchanger fin is excessively smooth
Frost and ice are not easy to fall between two neighboring heat exchanger fin 1；It, can be from the first heating by the design of metal reinforcing 3
Silk 5 obtains heat and passes to protrusion 4, and the position where protrusion 4 will will appear hollow bubble, cooperates the air in ventilation hole 7,
So that between two neighboring heat exchanger fin 1, there are gaps, so can preferably carry out defrosting deicing.Pass through the arrangement point of protrusion 4
Cloth enables to the bubble gap distribution between two neighboring heat exchanger fin 1 more reasonable, so that between two neighboring heat exchanger fin 1
Frost and ice more easily therefrom fall off.It is designed by connecting tube 2 and the structure and shape of the second heater strip 6, on the one hand to connect
Frosting and icing are not easy on adapter tube 2 and the first heater strip 5, the second heater strip 6 of another aspect is connect with the first heater strip 5 can be more
For the deicing that quickly defrosts.The design being connect with the heating tube 9 in heating water tank 8 by refrigerant inlet pipe and refrigerant outlet pipe, makes
The refrigerant obtained in refrigerant inlet pipe and refrigerant outlet pipe carries out heating operation to the water in heating water tank 8 by heating tube 9, improves energy
The utilization rate in source.
Claims (6)
1. a kind of cool-heat-exchanger of air energy unit, characterized in that heat exchanger fin (1), connecting tube (2) including several sheets and
Heating water tank (8), the shape of the heat exchanger fin (1) be it is rectangular, be parallel to each other between two neighboring heat exchanger fin (1), the heat exchange
The top cross-sectional shape and following cross-sectional shape of piece (1) are semicircle, the top of the heat exchanger fin (1) or it is following in
One of side two angles on be equipped with refrigerant interface, the connecting tube (2) includes refrigerant inlet pipe and refrigerant outlet pipe,
In a refrigerant interface connect with refrigerant inlet pipe, another refrigerant interface is connect with refrigerant outlet pipe, in the heating water tank (8)
Equipped with heating tube (9), the refrigerant inlet pipe and refrigerant outlet pipe are connect with the heating tube (9) in heating water tank (8).
2. a kind of cool-heat-exchanger of air energy unit according to claim 1, characterized in that the heat exchanger fin (1)
It is equipped on bottom and upper segment the first heater strip (5), the shape of first heater strip (5) is wavy to be evenly distributed in
On side surface and following surface.
3. a kind of cool-heat-exchanger of air energy unit according to claim 2, characterized in that the heat exchanger fin (1)
Side is equipped with several raised (4), and the shape of the protrusion (4) is hemispherical, and the protrusion (4) is divided into several rows and in vertical
To arranged distribution, each row is equipped with metal reinforcing (3) on raised (4), and the protrusion (4) on each row passes through metal reinforcing
(3) be cascaded, the both ends of the metal reinforcing (3) respectively with the first heater strip of bottom and upper segment (5) of heat exchanger fin (1)
Connection.
4. a kind of cool-heat-exchanger of air energy unit according to claim 3, characterized in that adjacent two rows metal is reinforced
Protrusion (4) on muscle (3) is interspersed.
5. a kind of cool-heat-exchanger of air energy unit according to claim 1 or 2 or 3 or 4, characterized in that the company
The cross-sectional shape for taking over (2) is semicircle, and the circular arc of the connecting tube (2) is face-up, on the arc surface of the connecting tube (2)
Equipped with the second heater strip (6), the shape of second heater strip (6) is arc-shaped, described the second heater strip (6) company of being covered on
It takes on the arc surface of (2), second heater strip (6) is connect with the first heater strip (5).
6. a kind of cool-heat-exchanger of air energy unit according to claim 1 or 2 or 3 or 4, characterized in that described to change
Ventilation hole (7) are equipped at the center side of backing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467461.2A CN110207527A (en) | 2019-05-31 | 2019-05-31 | A kind of cool-heat-exchanger of air energy unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910467461.2A CN110207527A (en) | 2019-05-31 | 2019-05-31 | A kind of cool-heat-exchanger of air energy unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110207527A true CN110207527A (en) | 2019-09-06 |
Family
ID=67789837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910467461.2A Pending CN110207527A (en) | 2019-05-31 | 2019-05-31 | A kind of cool-heat-exchanger of air energy unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110207527A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200185890Y1 (en) * | 2000-01-19 | 2000-06-15 | 삼성전자주식회사 | Heat exchanger for cooling unit |
| KR20100110057A (en) * | 2009-04-02 | 2010-10-12 | 엘지전자 주식회사 | Heat exchanger |
| CN202547220U (en) * | 2012-02-27 | 2012-11-21 | 范良凯 | Defrosting mechanism of plate type evaporator |
| CN103975216A (en) * | 2011-12-05 | 2014-08-06 | 株式会社电装 | Heat exchanger and heat pump cycle provided with same |
| WO2014121601A1 (en) * | 2013-02-05 | 2014-08-14 | 海尔集团公司 | Evaporator and refrigerating device using same |
| CN104515324A (en) * | 2013-09-27 | 2015-04-15 | 宁夏银晨太阳能科技有限公司 | Improved air source heat pump device |
| CN204555438U (en) * | 2015-03-04 | 2015-08-12 | 浙江凯迪制冷设备有限公司 | A kind of automatic defrosting evaporator fin |
| CN205352154U (en) * | 2016-01-18 | 2016-06-29 | 青岛巨帆环保科技有限公司 | High -efficient brazed plate heat exchanger |
| CN211651351U (en) * | 2019-05-31 | 2020-10-09 | 冯卓林 | Cold and heat exchange system of air energy unit |
-
2019
- 2019-05-31 CN CN201910467461.2A patent/CN110207527A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200185890Y1 (en) * | 2000-01-19 | 2000-06-15 | 삼성전자주식회사 | Heat exchanger for cooling unit |
| KR20100110057A (en) * | 2009-04-02 | 2010-10-12 | 엘지전자 주식회사 | Heat exchanger |
| CN103975216A (en) * | 2011-12-05 | 2014-08-06 | 株式会社电装 | Heat exchanger and heat pump cycle provided with same |
| CN202547220U (en) * | 2012-02-27 | 2012-11-21 | 范良凯 | Defrosting mechanism of plate type evaporator |
| WO2014121601A1 (en) * | 2013-02-05 | 2014-08-14 | 海尔集团公司 | Evaporator and refrigerating device using same |
| CN104515324A (en) * | 2013-09-27 | 2015-04-15 | 宁夏银晨太阳能科技有限公司 | Improved air source heat pump device |
| CN204555438U (en) * | 2015-03-04 | 2015-08-12 | 浙江凯迪制冷设备有限公司 | A kind of automatic defrosting evaporator fin |
| CN205352154U (en) * | 2016-01-18 | 2016-06-29 | 青岛巨帆环保科技有限公司 | High -efficient brazed plate heat exchanger |
| CN211651351U (en) * | 2019-05-31 | 2020-10-09 | 冯卓林 | Cold and heat exchange system of air energy unit |
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Effective date of registration: 20240115 Address after: 315403 No. 22 Caiyuan Road, Yuyao Economic Development Zone, Ningbo City, Zhejiang Province (independent application) Applicant after: Yuyao Rili Solar Electromechanical Co.,Ltd. Address before: Room 504, 217 Beibinjiang Road, Yuyao City, Ningbo City, Zhejiang Province, 315499 Applicant before: Feng Zhuolin |
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