CN106767084A - A kind of contactless fluid-mixing strengthened heat exchange method and heat-exchanger rig - Google Patents
A kind of contactless fluid-mixing strengthened heat exchange method and heat-exchanger rig Download PDFInfo
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- CN106767084A CN106767084A CN201611092252.7A CN201611092252A CN106767084A CN 106767084 A CN106767084 A CN 106767084A CN 201611092252 A CN201611092252 A CN 201611092252A CN 106767084 A CN106767084 A CN 106767084A
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- heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a kind of contactless fluid-mixing strengthened heat exchange method and heat-exchanger rig, it is related to industrial energy technical field of heat exchange, heat-exchange method is to form magnetic field in the regional area of heat exchanger channels by electromagnetism group, the supercritical fluid added with nano particle is passed through in heat exchanger channels, magnetic field passes through magnetic-adsorption nano particle, so that supercritical fluid deviates main flow direction, multiple shape sizes differences are formed in same magnetic field and perpendicular to the stabilizing vortex of supercritical fluid flow direction, to increase the mixability of fluid and main flow area fluid in boundary layer.Heat-exchanger rig includes heat transmission equipment, and heat transmission equipment is provided with heat exchanger channels, heat exchanger channels the supercritical fluid for circulating and having added with nano particle；Group of magnets, for forming magnetic field in the regional area of heat exchanger channels.It is of the invention to can solve the problem that the heat transfer deterioration phenomenon occurred in supercritical fluid application, enhance the safety and reliability of diabatic process.
Description
Technical field
The present invention relates to industrial energy technical field of heat exchange, and in particular to a kind of contactless fluid-mixing enhanced heat exchange side
Method and heat-exchanger rig.
Background technology
Efficient and rational using energy source and quick effectively the dredging of high flux of heat are widely present in chemical industry, metallurgy, ocean, boat
In the engineer applieds such as empty space flight, power plant and automobile.At present in the consumption of industrial primary energy, about 80% energy will experience
Diabatic process and heat transmission equipment, therefore the quality of these equipment performances will directly affect the index of overall production technology and product.
The reduction of the raising of heat-transfer equipment performance, the reduction of heat transfer temperature difference and pump work consumption, it is necessary to realized by way of augmentation of heat transfer,
Therefore heat transfer enhancement technology all plays the effect of key for improving heat exchange efficiency and energy-conservation, and heat transfer enhancement technology is by excellent
Heat transfer medium and augmentation of heat transfer measure two aspect realize.
In many industrial occasions, heat transfer medium is operated under supercritical pressure, change of the supercritical fluid from low temperature to high temperature
Change the continuous process without phase transformation so that the phenomenon of Heat of supercritical fluid is extremely complex, but supercritical fluid phenomenon of Heat
Extremely complex, although characteristic of the supercritical fluid with notable augmentation of heat transfer, its heat transfer coefficient is relative can to improve 1 times,
When operational factor is bad, shooting flow knows from experience the serious heat transfer deterioration phenomenon occurred similar to subcritical film boiling, heat transfer
Performance will decrease to less than 20%.Therefore, because supercritical fluid can cause the heat transfer unit (HTU) cannot in the case of heat transfer deterioration
Reach nominal parameter, in some instances it may even be possible to occur local overheating failure phenomenon, therefore, supercritical fluid in application process, it is necessary to
Heat transfer deterioration phenomenon to being likely to occur is controlled by.
The content of the invention
For defect present in prior art, strengthen it is an object of the invention to provide a kind of contactless fluid-mixing
Heat-exchange method and heat-exchanger rig, can solve the problem that the heat transfer deterioration phenomenon occurred in supercritical fluid application, enhance diabatic process
Safety and reliability.
To achieve the above objectives, the present invention is adopted the technical scheme that：
A kind of contactless fluid-mixing strengthened heat exchange method, magnetic is formed by electromagnetism group in the regional area of heat exchanger channels
, the supercritical fluid added with nano particle is passed through in heat exchanger channels, magnetic field passes through magnetic-adsorption nano particle so that super to face
Boundary's fluid deviates main flow direction, multiple shape sizes differences is formed in same magnetic field and perpendicular to the steady of supercritical fluid flow direction
Fixed vortex, to increase the mixability of fluid and main flow area fluid in boundary layer.
On the basis of above-mentioned technical proposal, the group of magnets is opposite by a pair of magnetic and is oppositely arranged on the heat exchanger tube
The magnet composition of road both sides, multigroup group of magnets is along the heat exchanger channels length direction arranged for interval.
On the basis of above-mentioned technical proposal, the adjacent group of magnets is arranged in parallel or interlaced arrangement.
On the basis of above-mentioned technical proposal, the group of magnets is electromagnet.
On the basis of above-mentioned technical proposal, the wall surface temperature threshold value of the heat exchange pipeline where presetting magnetic field in controller；
The wall surface temperature value of the heat exchange pipeline where temperature sensor real-time detection magnetic field, when wall surface temperature value is more than wall
Temperature threshold, the electric current increase of controller control magnet group, strengthens the magnetic force in magnetic field, conversely, then controller control magnet group is led to
Overcurrent is reduced or turned off electric current, and the magnetic force in magnetic field is reduced or eliminated.
On the basis of above-mentioned technical proposal, the nano particle is ferromagnetism solid of the nanometer scale in below 10nm
Grain.
On the basis of above-mentioned technical proposal, the quality of the nano particle accounts for the quality percentage of supercritical fluid gross mass
Than being 0.5%~2%.
A kind of contactless fluid-mixing reinforced heat exchanger, including：
Heat transmission equipment, the heat transmission equipment is provided with heat exchanger channels, and the heat exchanger channels are respectively arranged at two ends with channel entrance
And channel outlet, circulation has the supercritical fluid added with nano particle in the heat exchanger channels；
Group of magnets, the magnet that the group of magnets is conversely oppositely arranged on the heat exchange pipeline both sides by a pair of magnetic is constituted,
And multigroup magnet group, along the heat exchanger channels length direction arranged for interval, the group of magnets is used in the heat exchanger channels
Form magnetic field.
On the basis of above-mentioned technical proposal, the device also includes thermal insulation layer, and it is logical that the thermal insulation layer is coated on the heat exchange
Outside road, between the magnet of the heat exchanger channels and the group of magnets.
On the basis of above-mentioned technical proposal, the heat transmission equipment include housing, the housing be provided with heat exchanger import,
Heat exchanger exit and gas inlet, two magnet of magnet group are respectively arranged on the both sides of the housing, and the housing and are provided with
The heat exchanger channels of some arrays arrangement, the channel entrance of all heat exchanger channels with the heat exchanger import UNICOM,
The channel outlet of all heat exchanger channels with the heat exchanger exit UNICOM；The housing is provided with some array arrangements
Exhaust gas channel, the exhaust gas channel and the gas inlet UNICOM.
Compared with prior art, the advantage of the invention is that：
(1) a kind of contactless fluid-mixing strengthened heat exchange method of the invention, added with the supercritical fluid of nano particle
Difference and supercritical fluid and the heat transfer mechanism of nano-fluid are formed, the fluid after combination is in the part by there is group of magnets to be formed
During magnetic field, nano particle therein is subject to magnetic fields, deviate from primary fluid flow direction, stabilizing vortex is formed, in heat exchanger channels
Interior fluid rotary produces Secondary Flow, destruction flow of fluid boundary layer, thinning laminar sublayer, fluid and main flow in increase boundary layer
The mixability of area's fluid reaches heat and mass transfer enhancement, eliminates the purpose of heat transfer deterioration.
(2) group of magnets in a kind of contactless fluid-mixing strengthened heat exchange method of the invention can be arranged on heat transfer and dislike
Change the danger position area for concentrating and occurring, arrange temperature sensor simultaneously in the region, the wall of heat exchanger channels is detected for the moment
Face temperature value, and send wall surface temperature value to controller, temperature threshold is provided with controller, controller is according to wall surface temperature
The size of current of value control electromagnetism group and the magnetic force in magnetic field, are finally reached the purpose that augmentation of heat transfer is realized with least energy consumption.
(3) the adjacent electromagnetism group in a kind of contactless fluid-mixing strengthened heat exchange method of the invention can be arranged in parallel
Or interlaced arrangement, during parallel arrangement, the stabilizing vortex direction produced in different fluid position is identical, can cause stabilizing vortex
Be interrupted in attenuation process by identical magnetic force so that stabilizing vortex keeps large effect scope, reach good
Heat conduction reinforced effect；During interlaced arrangement, the vortex direction that magnetic force is produced is influenceed by magnetic direction change, and stabilizing vortex exists
A certain degree of rotation is produced on flow direction, the mixing of the fluid and main flow area fluid in boundary layer, augmentation of heat transfer is increased
It is better significantly, when actually used, can be designed according to particular condition in use, it is applied widely.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the electromagnetism group arranged crosswise in the embodiment of the present invention；
Fig. 3 is the horizontally disposed structural representation of the electromagnetism group in the embodiment of the present invention；
Fig. 4 is the structural representation of the embodiment of the present invention 2
In figure：1- heat transmission equipments, 2- heat exchanger channels, 3- channel entrances, 4- channel outlets, 5- group of magnets, 6- heat exchangers enter
Mouthful, 7- heat exchanger exits, 8- gas inlets, 9- exhaust gas channels, 10- controllers.
Specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
A kind of heat-exchange method of contactless fluid-mixing reinforced heat exchanger, by electromagnetism group in the partial zones of heat exchanger channels
Magnetic field is formed in domain, the supercritical fluid added with ferromagnetic nanoparticle is passed through in heat exchanger channels, magnetic field is received by magnetic-adsorption
Rice grain so that supercritical fluid deviates main flow direction, forms multiple shape sizes differences and perpendicular to super in same magnetic field
The stabilizing vortex of critical fluids flow direction, to increase the mixability of fluid and main flow area fluid in boundary layer.Stabilizing vortex is destroyed
Flow of fluid boundary layer, thinning laminar sublayer reaches the purpose of heat and mass transfer enhancement.Nano particle in the present embodiment is nanometer
In the ferromagnetism solid particle of below 10nm, the mass percent that nano particle accounts for supercritical fluid gross mass is 0.5% to magnitude
~2%.Due to adding ferromagnetic nanoparticle in supercritical fluid, do not exist phase transformation in supercritical fluid diabatic process, because
Nano particle can keep good flow uniformity and good magnetic in the absence of significantly reuniting and separating in this diabatic process
Property, Brownian movement causes the mutual collision between nano particle, promotes to produce micromotion phenomenon between nano particle and fluid, from
And promote thermal diffusion, when nano particle spacing is sufficiently small, the liquid film adhesion layer of two particle surfaces contacts with each other and even overlap,
Two nano particles now significantly reduce thermal resistance equivalent to directly contact, because the yardstick of nano particle is less than wall
The mean free path of phonons of material, now lattice vibration can be reflected by nano particle, the effect of three kinds of summary, overcritical nanometer
Fluid greatly improves the thermal conductivity factor of working medium under the cost for slightly increasing flow resistance.
Group of magnets in the present embodiment can be with electromagnet or permanent magnet, when group of magnets is electromagnet, can be by with lower section
Formula regulates and controls the size of current of group of magnets, realizes the regulation of magnetic field intensity.
The wall surface temperature threshold value of the heat exchange pipeline where presetting magnetic field in controller；
The wall surface temperature value of the heat exchange pipeline where temperature sensor real-time detection magnetic field, when wall surface temperature value is more than wall
Temperature threshold, the electric current increase of the control magnet group of controller 10, strengthens the magnetic force in magnetic field, conversely, the then control of controller 10 magnet
Group is reduced or turned off electric current by electric current, and the magnetic force in magnetic field is reduced or eliminated.
Embodiment 1
Shown in Figure 1, the embodiment of the present invention provides a kind of contactless fluid-mixing reinforced heat exchanger, including：
Heat transmission equipment 1, heat transmission equipment 1 is provided with heat exchanger channels 2, and heat exchanger channels 2 are respectively arranged at two ends with channel entrance 3 and logical
Road outlet 4, supercritical fluid of the circulation added with nano particle in heat exchanger channels 2.Super the facing of the entrance of heat transmission equipment 1 in the present embodiment
Boundary's fluid is the supercritical aviation kerosene fluid for being mixed with ferromagnetism solid particle, and the temperature for entering is 150 DEG C, heat transmission equipment
1 operating pressure is 4.5MPa, and flow is 1000kg/ (m2S), heat flow density is 300kW/m2。
Referring to shown in Fig. 2 and Fig. 3, group of magnets 5, group of magnets 5 is conversely oppositely arranged on heat exchange pipeline both sides by a pair of magnetic
Magnet composition, and multigroup magnet group 5 fluid along heat exchanger channels 2 flows to arranged for interval, and group of magnets 5 is used in heat exchanger channels 2
Interior formation magnetic field.During according to set of permanent magnets, permanent magnet can fixedly mount position or be installed on slide rail, and set of permanent magnets is not
There is dissipative cell, it is possible to achieve to the uninterrupted heat conduction reinforced of some emphasis positions.Both the above magnet group is using outside
The mode of the combination replacement turbulence columns of the start and stop, diverse location and intensity of local magnetic field produces stabilizing vortex and periodically de-
Fall whirlpool, while need not introduce solid obstacle in heat exchanger channels, can select groups of electromagnets or permanent magnetism according to practical application
Body group, the effect heat conduction reinforced so as to reach supercritical fluid.Using opposite polarity groups of electromagnets or set of permanent magnets conduct
Magnet group is partially formed magnetic field in heat exchanger channels 2, and when supercritical fluid passes through the magnetic field, the magnetic force in magnetic field can adsorb nanometer
The flow of fluid that particle causes deviates its main flow direction, so that stabilizing vortex is formed, fluid rotary and generation two in heat exchanger channels 2
Secondary stream, thinning laminar sublayer, the Hydrodynamic turbulence that increased in boundary layer that comes off and dissipate of Simultaneous Stabilization vortex promotes border
The mixability of layer fluid and main flow area fluid, so as to suppress supercritical fluid cause because buoyancy lift is acted on or intends film boiling
Localized heat transfer corruptions, reach the purpose of heat and mass transfer enhancement.The eddy resistance that external magnet is produced is small, and energy consumption is low,
And be difficult to be washed and corrode, therefore with good safety and reliability.
Magnet group 5 is formed using enamel-covered wire around iron core in the present embodiment, and coil winding is at the two ends of iron core strengthening magnetic field
The area of runner is acted on, upper each 2500 circle of lower coil is wound with the iron core of enamel-covered wire, respectively positioned at the both sides of heat exchanger channels 2, by
Adjustable D. C regulated provides electric current.Adjacent electromagnetism group can be arranged in parallel or interlaced arrangement, during parallel arrangement, not cocurrent flow
The stabilizing vortex direction produced in body position is identical, can cause that stabilizing vortex is interrupted in attenuation process by identical magnetic
Power, so that stabilizing vortex keeps large effect scope, reaches good heat conduction reinforced effect；During interlaced arrangement, Lip river logical sequence
The vortex direction that hereby power is produced is influenceed by magnetic direction change, and stabilizing vortex produces a certain degree of rotation in the flowing direction
Turn, increased the mixing of the fluid and main flow area fluid in boundary layer, augmentation of heat transfer it is better significantly, actually used
When, can be designed according to particular condition in use, it is applied widely.
Temperature sensor and controller 10, controller 10 and group of magnets 5 are connected with controller 10, and temperature sensor is located at
In heat exchange pipeline, for detection magnetic place heat exchange pipeline wall surface temperature value, controller 10 according to temperature sensor detect
Temperature control group of magnets 5 current switching and current value.Temperature sensor and group of magnets 5 are arranged on to be concentrated in heat transfer deterioration and send out
Raw danger position area, the wall surface temperature value real-time to the heat exchange pipeline at the position of magnetic field of temperature sensor simultaneously sends control to
Wall surface temperature threshold value is provided with device processed 10, controller 10, the wall surface temperature threshold value set in the present embodiment is 400 DEG C, control
Device 10 adjusts the electric current of magnet coil, and then control the intensity in magnetic field according to the contrast of wall surface temperature value and wall surface temperature threshold value.
Thermal insulation layer, thermal insulation layer is coated on outside heat exchanger channels 2, heat-insulated between the magnet of heat exchanger channels 2 and group of magnets 5
Layer is prevented from group of magnets 5 by high temperature degaussing, the service life and quality of group of magnets 5 is improve, so that reduces cost.
Embodiment 2
Embodiment 2 provides board-like micro channel heat exchanger, and embodiment 2 is with the difference of embodiment 1：
Heat transmission equipment 1 includes housing, and housing is provided with heat exchanger import 6, heat exchanger exit 7 and gas inlet 8, magnet group
Two magnet be respectively arranged on the both sides of housing, and the heat exchanger channels 2, Suo Youhuan of some arrays arrangement are provided with heat transmission equipment 1
The channel entrance 3 of the passage of heat 2 with the UNICOM of heat exchanger import 6, the channel outlet 4 of all heat exchanger channels 2 with heat exchanger exit 7
UNICOM；Heat transmission equipment 1 is provided with the exhaust gas channel 9 of some array arrangements, exhaust gas channel 9 and the UNICOM of gas inlet 8, exhaust gas channel
9 arrange with the right-angled intersection of heat exchanger channels 2.
If being provided with dried layer heat exchanger channels 2 on housing, every layer is provided with some heat exchanger channels 2 extended along X-direction,
By expansion segment UNICOM between the channel entrance 3 of heat exchanger channels 2 and heat exchanger import 6, the channel outlet 4 of heat exchanger channels 2 with change
Pass through contraction section UNICOM between hot device outlet 7；The front side of housing sets gas inlet 8, if dried layer tail gas is provided with housing leading to
Road 9, every layer is provided with some exhaust gas channels 9 extended along Y direction, exhaust gas channel 9 and the UNICOM of gas inlet 8, and one layer
The section of heat exchanger channels 2 and one layer of arranged crosswise of exhaust gas channel 9, heat exchanger channels 2 and exhaust gas channel 9 is semicircular micro- logical
Road.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
1. a kind of contactless fluid-mixing strengthened heat exchange method, it is characterised in that：By electromagnetism group in the partial zones of heat exchanger channels
Magnetic field is formed in domain, the supercritical fluid added with nano particle is passed through in heat exchanger channels, magnetic field is by magnetic-adsorption nanometer
Grain so that supercritical fluid deviates main flow direction, forms multiple shape sizes differences and perpendicular to overcritical in same magnetic field
The stabilizing vortex of fluid flow direction, to increase the mixability of fluid and main flow area fluid in boundary layer.
2. a kind of contactless fluid-mixing strengthened heat exchange method as claimed in claim 1, it is characterised in that：The group of magnets
Opposite by a pair of magnetic and be oppositely arranged on the magnet of the heat exchange pipeline both sides and constitute, multigroup group of magnets is along the heat exchange
Channel-length direction arranged for interval.
3. a kind of contactless fluid-mixing strengthened heat exchange method as claimed in claim 2, it is characterised in that：The adjacent magnetic
Iron group (5) is arranged in parallel or interlaced arrangement.
4. a kind of contactless fluid-mixing strengthened heat exchange method as claimed in claim 2, it is characterised in that：The group of magnets
It is electromagnet.
5. a kind of contactless fluid-mixing strengthened heat exchange method as claimed in claim 4, it is characterised in that：
The wall surface temperature threshold value of the heat exchange pipeline where presetting magnetic field in controller (10)；
The wall surface temperature value of the heat exchange pipeline where temperature sensor real-time detection magnetic field, when wall surface temperature value is more than wall surface temperature
Threshold value, the electric current increase of controller (10) control magnet group, strengthens the magnetic force in magnetic field, conversely, then controller (10) control magnet
Group is reduced or turned off electric current by electric current, and the magnetic force in magnetic field is reduced or eliminated.
6. a kind of contactless fluid-mixing strengthened heat exchange method as claimed in claim 1, it is characterised in that：The nanometer
Grain is nanometer scale in the ferromagnetism solid particle of below 10nm.
7. a kind of contactless fluid-mixing reinforced heat exchanger as claimed in claim 1, it is characterised in that：The nanometer
The mass percent that the quality of grain accounts for supercritical fluid gross mass is 0.5%~2%.
8. a kind of contactless fluid-mixing reinforced heat exchanger, it is characterised in that including：
Heat transmission equipment (1), the heat transmission equipment (1) is provided with heat exchanger channels (2), and heat exchanger channels (2) are respectively arranged at two ends with
Circulation has the supercritical fluid added with nano particle in channel entrance (3) and channel outlet (4), the heat exchanger channels；
Group of magnets (5), the group of magnets (5) is conversely oppositely arranged on the group of magnets of the heat exchange pipeline both sides by a pair of magnetic
(5) into and multigroup magnet group, along the heat exchanger channels (2) length direction arranged for interval, the group of magnets (5) is in institute
State and magnetic field is formed in heat exchanger channels (2).
9. a kind of contactless fluid-mixing reinforced heat exchanger as claimed in claim 8, it is characterised in that：
The device also includes thermal insulation layer, and the thermal insulation layer is coated on the heat exchanger channels (2) outward, positioned at the heat exchanger channels (2)
And the magnet of the group of magnets (5) between.
10. a kind of contactless fluid-mixing reinforced heat exchanger as claimed in claim 8, it is characterised in that：The heat exchange
Including housing, the housing is provided with heat exchanger import (6), heat exchanger exit (7) and gas inlet (8), magnet group to equipment (1)
(5) two magnet are respectively arranged on the both sides of the housing, and it is logical that the heat exchange of some array arrangements is provided with the housing
Road (2), the channel entrance (3) of all heat exchanger channels (2) with heat exchanger import (6) UNICOM, all heat exchange
The channel outlet (4) of passage (2) with the heat exchanger exit (7) UNICOM；The housing is provided with the tail of some array arrangements
Gas passage (9), the exhaust gas channel (9) and the gas inlet (8) UNICOM.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611092252.7A CN106767084A (en) | 2016-12-01 | 2016-12-01 | A kind of contactless fluid-mixing strengthened heat exchange method and heat-exchanger rig |
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| CN201611092252.7A CN106767084A (en) | 2016-12-01 | 2016-12-01 | A kind of contactless fluid-mixing strengthened heat exchange method and heat-exchanger rig |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606719A (en) * | 2017-10-27 | 2018-01-19 | 润壤科技（黄石）有限公司 | A kind of integral multifunctional Free-frost heat exchanger |
| CN108733089A (en) * | 2018-08-24 | 2018-11-02 | 合肥锐联传热技术有限公司 | A kind of contactless flowing and conduct heat control method and its device |
| CN109340874A (en) * | 2018-08-27 | 2019-02-15 | 河北德昕宇新能源科技有限公司 | A kind of electric heater based on alternating magnetic field and electromagnetic induction principle |
| CN109373427A (en) * | 2018-08-27 | 2019-02-22 | 河北工业大学 | A kind of heavy duty detergent electric heater based on magnetic Nano fluid |
| CN110608629A (en) * | 2019-08-29 | 2019-12-24 | 中国船舶重工集团公司第七一九研究所 | Supercritical carbon dioxide Brayton cycle system heat exchanger and cycle system |
| CN114001507A (en) * | 2021-10-14 | 2022-02-01 | 上海空间推进研究所 | Method and device for quickly precooling magnetic fluid |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606719A (en) * | 2017-10-27 | 2018-01-19 | 润壤科技（黄石）有限公司 | A kind of integral multifunctional Free-frost heat exchanger |
| CN107606719B (en) * | 2017-10-27 | 2022-12-20 | 润壤科技（黄石）有限公司 | Integrated multifunctional frostless heat exchanger |
| CN108733089A (en) * | 2018-08-24 | 2018-11-02 | 合肥锐联传热技术有限公司 | A kind of contactless flowing and conduct heat control method and its device |
| CN109340874A (en) * | 2018-08-27 | 2019-02-15 | 河北德昕宇新能源科技有限公司 | A kind of electric heater based on alternating magnetic field and electromagnetic induction principle |
| CN109373427A (en) * | 2018-08-27 | 2019-02-22 | 河北工业大学 | A kind of heavy duty detergent electric heater based on magnetic Nano fluid |
| CN110608629A (en) * | 2019-08-29 | 2019-12-24 | 中国船舶重工集团公司第七一九研究所 | Supercritical carbon dioxide Brayton cycle system heat exchanger and cycle system |
| CN114001507A (en) * | 2021-10-14 | 2022-02-01 | 上海空间推进研究所 | Method and device for quickly precooling magnetic fluid |
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