CN106679466A - Porous medium two-phase flow shell-and-tube heat exchanger and stabilization device thereof - Google Patents
Porous medium two-phase flow shell-and-tube heat exchanger and stabilization device thereof Download PDFInfo
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- CN106679466A CN106679466A CN201710075743.9A CN201710075743A CN106679466A CN 106679466 A CN106679466 A CN 106679466A CN 201710075743 A CN201710075743 A CN 201710075743A CN 106679466 A CN106679466 A CN 106679466A
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- Prior art keywords
- phase flow
- stabilising arrangement
- phase
- club
- flow
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Classifications
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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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
- F28D7/1669—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having an annular shape; the conduits being assembled around a central distribution tube
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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
- 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
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipeline Systems (AREA)
Abstract
The invention provides a two-phase flow shell-and-tube heat exchanger which comprises a shell. Sealing heads are arranged at the two ends of the shell, at least one sealing head is provided with a two-phase flow fluid inlet pipe, and a porous medium two-phase flow stabilization device is arranged in the fluid inlet pipe; the two-phase flow stabilization device comprises a porous medium core which is formed by connecting a plurality of stick-like objects; and the stick-like objects are crossed and welded in the X,Y and Z three-dimensional direction to form a porous medium structure with through holes. The passive two-phase flow stabilization device with the vibration attenuation and noise reduction function can separate two-phase flow into a liquid phase and a gas phase under the condition of being independent of external power or power sources, the liquid phase is divided into small liquid groups, the gas phase is divided into small bubbles, backflow of the liquid phase is restrained, smooth flowing of the gas phase is promoted, the effect of stabilizing flow is achieved, and the effects of vibration attenuation and noise reduction are achieved.
Description
Technical field
The present invention relates to a kind of two-phase flow heat-exchanger rig and its stabilising arrangement, and in particular to one kind has decrease flow duct
Road vibration, the two-phase flow stabilising arrangement for reducing noise level function.
Background technology
Two-phase flow and wild effect are universally present in heat-exchanger rig, scientific experiment device and the equipment of industrial product
In, for example fluid can produce water hammer caused by space enlargement into heat transmission equipment, with substantial amounts of generation is because, can also dislike
Change heat exchange.When flowing when the no uniform mixing of the phase of two-phase working substance and discontinuously, large-sized liquid group can occupy at high speed
Vapour group space, causes two-phase flow unstable, so as to tempestuously impact device and pipeline, produces sharp pounding and noise, seriously
Ground threatens equipment operation safety.It is mostly, towards forced circulation loop, to solve single-phase water that existing water hammer eliminates or alleviate device
Hammer problem, concentrates on water hammer-resistant check-valves industrial circle, such as a kind of " impeller type water hammer-resistant mute check valve " (patent No.：
ZL200910214544.7), the labyrinths such as trouserss, baffle and spring are provided with, flow resistance factor can not be considered, solved
The single-phase water hammer produced during closure of check ring.Multiphase flow rectifying device for example disclosed in CN101639374A again, wherein setting
Multitube pipe is put, said structure is complicated, takes material, and high cost, effect is poor, therefore is gradually not suitable with the needs of energy-conserving and environment-protective.
For the problems referred to above, the invention provides the two phase flow of a kind of new heat-exchanger rig and its Novel structure is stably filled
Put, it is above-mentioned so as to solve the problems, such as.
The content of the invention
It is an object of the invention to provide a set of new heat-exchanger rig and two-phase flow stabilising arrangement, have two in pipeline
When mutually flowing, weaken the vibration of pipeline, reduce noise level, while improving heat-exchange capacity.
To achieve these goals, technical scheme is as follows：
A kind of biphase flow tube shell type heat exchanger, including housing, the housing two ends are respectively provided with end socket, and described at least one
Two phase flow fluid inlet tube is set on end socket, Porous Media Two phase Flow stabilising arrangement is set in fluid inlet tube, it is described biphase
Stream stabilising arrangement includes porous media core body, and the porous media core body is to be connected to form by a number of club, rod
Shape thing defines the porous media structure of hole intercommunication in X, Y, Z three-dimensional cross weld.
Preferably, described hole is square.
A kind of telescopic two phase flow stabilising arrangement being arranged in Two-phase Flow Pipeline Transport, including porous media core body are described more
Hole dielectric core is to be connected to form by a number of club, and club is defined in X, Y, Z three-dimensional cross weld
The porous media structure of hole intercommunication.
Preferably, described hole is square.
Preferably, the cross section of the club is circular or square.
Preferably, X, Y-direction are arranged on cross-section of pipeline, Z-direction along the axis of pipeline direction, then along stream
On body flow direction, the distance between club parallel with X and Y-direction is increasing.
Preferably, then along on fluid flow direction, the distance between club parallel with X and Y-direction is increasingly
Big amplitude constantly increases.
Preferably, the sectional area of small flow channels meets following relationship：
AI, on≤AI, under (2)
In formula, Ai is the circulation area of i-th small flow channels, and unit is mm2；N is small flow channels quantity；ηAFor area ratio, according to
Line size and mobility status, are obtained by optimization experiment, see empirical equation 3, ηA<1；A0For the circulation area of pipeline, unit is
mm2.Wherein, the mathematical meaning of formula (1) is the η of the sectional area summation more than or equal to pipeline section of whole pipesATimes；Formula (2) is
Sectional area of the sectional area of upper strata pipe less than or equal to lower floor's pipe.
Foregoing stabilising arrangement is set in a kind of Two-phase Flow Pipeline Transport, the pipeline, and the stabilising arrangement is in pipeline
The arrangement at interval is taken, in compartment arrangement, the length of core, spaced apart following relationship is met：
Li≥Li,0 (4)
Xi≤Xi,0 (5)
In formula, LiFor the length of i-th core body, unit is mm；Li,0Minimum for i-th core body allows the length, unit to be
Mm, is obtained by testing, and sees empirical equation 7；N is the quantity of core body；XiSpaced apart for i-th, unit is mm；XI, 0For
The permission ultimate range at i-th interval, unit is mm, is obtained by testing, and sees empirical equation 8；M is the quantity at interval；ηLFor
Length ratio, according to line size and mobility status, is obtained by optimization experiment, sees empirical equation 9, ηL≤ 1, wherein, formula (6)
Mathematical meaning is the η of the duct length that the length summation of whole core bodys is more thanLTimes.
A kind of biphase flow tube shell type heat exchanger, including housing, the housing two ends are respectively provided with end socket, and described at least one
Two phase flow fluid inlet tube, the inlet porting pipe flange on fluid inlet tube, the entrance pipe flange and pipeline are set on end socket
Flange connects, it is characterised in that to chuck cartridge type two phase flow stabilising arrangement between entrance pipe flange and pipe flange, and described two
Mutually stream stabilising arrangement includes porous media core body, and the porous media core body is to be connected to form by a number of club,
Club defines the porous media structure of hole intercommunication in X, Y, Z three-dimensional cross weld.
Compared with prior art, it is of the invention to have the following advantages：
1) the passive two-phase flow stabilising arrangement with vibration and noise reducing function can be independent of external impetus or power supply
In the case of, two-phase fluid is separated into into liquid and gas, liquid phase is divided into into little liquid group, gas phase is divided into into minute bubbles, press down
The backflow of liquid phase processed, promotes gas phase smooth outflow, plays a part of regime flow, the effect with vibration and noise reducing.
2) present invention is arranged in the inlet tube of two phase flow heat transfer device, just gas phase can be divided into minute bubbles, it is to avoid
The increase of gas phase, promotes gas phase smooth outflow, it is ensured that uniform into the gas phase in the heat exchanger tube of heat exchanger, enables to heat exchange equal
It is even, it is to avoid local temperature is too high or too low, so as to improve heat transfer effect.
3) core is the core component of passive two-phase flow stabilising arrangement, can be separated the single big runner of pipeline
Into a number of small flow channels.Wherein, the sectional area of small flow channels meets formula (1), (2), (3) above, meets above-mentioned relation,
Advantageously ensure that and two-phase fluid is separated into into liquid and gas, liquid phase is divided into into little liquid group, gas phase is divided into into minute bubbles
Effect.
4) porous media core body is connected by a number of club and is formed, and the saturation porous for defining hole intercommunication is situated between
Matter structure, preferably, Area comparison is big, the structure with hole intercommunication, favorably for the advantage of comprehensive other core bodys, such as shock resistance
In further stablize two-phase flow.
5) in compartment arrangement, the length of core, it is spaced apart meet formula (4), (5), (6), have
Regroup beneficial to the minute bubbles and little liquid group prevented after splitting, suppress the backflow of liquid phase, promote gas phase smooth outflow, improve steady
The action effect of constant flow.
6) for wafer type core body fixed form, do not affect pipeline external environment and interface, with dismount it is simple the characteristics of,
Both new device had been can be suitably used for, plant modification had been can be suitably used for again.
Description of the drawings
Fig. 1 is the structural representation of the two phase flow heat transfer device of the present invention；
Fig. 2 is the structural representation of the two phase flow stabilising arrangement of the present invention；
Fig. 3 two phase flow stabilising arrangement discontinuous arrangement schematic diagrams of the present invention；
Fig. 4 is two phase flow stabilising arrangement mounting means schematic diagram of the present invention.
Reference is as follows：Core body 1, pipeline 2, concentric tube 3, hole 4, housing 5, end socket 6,7, inlet tube 8,
Outlet 9, heat exchanger tube 10
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
Herein, if without specified otherwise, being related to formula, "/" represents division, and "×", " * " represent multiplication.
Without specified otherwise, the long measure of the parameter in the application is mm, and square measure is mm2。
Fig. 2 illustrates a kind of telescopic two phase flow stabilising arrangement being arranged in Two-phase Flow Pipeline Transport 2, including porous media core
Body 1, the porous media core body 1 is to be connected to form by a number of club 3, and club 3 is handed in X, Y, Z three-dimensional
Fork connection, defines the porous media structure of the intercommunication of hole 4.
Above-mentioned two-phase flow stabilising arrangement can be in the case where external impetus or power supply be independent of, by two-phase fluid point
From into liquid and gas, liquid phase is divided into into little liquid group, gas phase is divided into into minute bubbles, suppress the backflow of liquid phase, promote gas phase
Smooth outflow, plays a part of regime flow, the effect with vibration and noise reducing.
Compared with CN101639374A, the present invention is to provide the three dimensional structure of hole intercommunication, with circulation area it is larger,
The less advantage of resistance, the resistance under same traffic reduces more than 30%；Possess good shock resistance, can be applied to
The telecontrol equipments such as ship.
Porous media core body is connected by a number of club and is formed, and defines the saturated porous media of hole intercommunication
Structure, all of cavity all interconnects, and preferably, Area comparison is big, have for the advantage of comprehensive other core bodys, such as shock resistance
The structure of hole intercommunication, circulating resistance is little, is conducive to further stablizing two-phase flow.
Interconnected by multiple holes, it is ensured that adjacent runner is interconnected, pressure that can be between uniform flow path
Power so that the fluid of high pressure runner flows to low pressure, while can also further separate liquid and gas while flow of fluid,
Be conducive to further stablizing two-phase flow.
Preferably, porous media structure is to be integrally formed.
Preferably, rod dress thing 3 welds form porous media structure mutually.
Preferably, described hole 4 is square.
Preferably, the cross section of the club is circular or square, it is more preferably square.
Preferably, X, Y-direction are arranged on cross-section of pipeline, Z-direction along the axis of pipeline direction, then along stream
On body flow direction, the distance between club parallel with X and Y-direction is increasing.I.e. shown in Fig. 2, along the axis of pipeline 2
Direction on, the interval between vertical with conduit axis rod dress thing is increasing.
It is found through experiments, it is increasing by the distance between adjacent rod dress thing 3, on the one hand can reduce flowing resistance
Power, saves material, while can substantially reach the effect of the regime flow of effect same, vibration and noise reducing.Relative to normal
Arrange, can cost-effective 10% or so, reduce the flow resistance of 15-20% or so.
Preferably, then along on fluid flow direction, the distance between club parallel with X and Y-direction is increasingly
Big amplitude constantly increases.
It is found through experiments, by being arranged such, can further reduces about 5% or so flow resistance, effect base
Keep constant on this.
Preferably, the sectional area of small flow channels meets following relationship：
AI, on≤AI, under (2)
In formula, Ai is the circulation area of i-th small flow channels, and unit is mm2；N is small flow channels quantity；ηAFor area ratio, according to
Line size and mobility status, are obtained by optimization experiment, see empirical equation 3, ηA<1；A0For the circulation area of pipeline, unit is
mm2.Wherein, the mathematical meaning of formula (1) is the η of the sectional area summation more than or equal to pipeline section of whole pipesATimes；Formula (2) is
Sectional area of the sectional area of upper strata pipe less than or equal to lower floor's pipe.
Above-mentioned formula is the result by substantial amounts of experiment, and calculates the optimum result for obtaining through substantial amounts of, is met
Above-mentioned relation, can ensure for two-phase fluid to be separated into liquid and gas in optimum degree, and liquid phase is divided into into little liquid group, will
Gas phase is divided into the effect of minute bubbles.
Preferably, the invention provides a kind of biphase flow tube shell type heat exchanger, as shown in figure 1, the heat exchanger includes
Housing 5, the housing two ends are respectively provided with end socket 6,7, and two phase flow fluid inlet tube 8 is arranged on one of end socket,
Telescopic two phase flow stabilising arrangement as shown in Figure 2 is set in fluid inlet tube 8 and/or fluid outlet pipe.
The present invention is arranged in the inlet tube 8 of two phase flow heat transfer device, just gas phase minute bubbles can be divided into, it is to avoid gas
The increase of phase, promotes gas phase smooth outflow, it is ensured that uniform into the gas phase in the heat exchanger tube of heat exchanger, enables to heat exchange equal
It is even, it is to avoid local temperature is too high or too low, so as to improve heat transfer effect.
Further preferably, the invention discloses arranging foregoing stable dress in a kind of Two-phase Flow Pipeline Transport, the pipeline
Put, the stabilising arrangement takes the arrangement at interval in pipeline, in compartment arrangement, the length of core,
It is spaced apart to meet following relationship：
Li≥Li,0 (4)
Xi≤Xi,0 (5)
In formula, LiFor the length of i-th core body, unit is mm；Li,0Minimum for i-th core body allows the length, unit to be
Mm, is obtained by testing, and sees empirical equation 7；N is the quantity of core body；XiSpaced apart for i-th, unit is mm；XI, 0For
The permission ultimate range at i-th interval, unit is mm, is obtained by testing, and sees empirical equation 8；M is the quantity at interval；ηLFor
Length ratio, according to line size and mobility status, is obtained by optimization experiment, sees empirical equation 9, ηL≤ 1, wherein, formula (6)
Mathematical meaning is the η of the duct length that the length summation of whole core bodys is more thanLTimes.
Above-mentioned formula is the result by substantial amounts of experiment, and calculates the optimum result for obtaining through substantial amounts of, is met
Above-mentioned relation, can prevent the minute bubbles after splitting and little liquid group from regrouping in optimum degree, suppress the backflow of liquid phase, promote
Gas phase smooth outflow is made, the action effect of regime flow is improved.
Preferably, along the flow direction of two phase flow, Xi<Xi+1, wherein XiIt is i-th spaced apart, Xi+1I+1
It is individual spaced apart.
Preferably, along the flow direction of two phase flow, Li>Li+1, wherein LiIt is the length of i-th core body, Li+1I+1
The length of individual core body.
It is found through experiments, by the length and core body that arrange core body optimal design-aside spaced apart, can saves
Material, reduces cost, and essentially identical effect can be reached.
The present invention and disclose a kind of mounting means of two phase flow stabilising arrangement, as shown in figure 4, for wafer type core body consolidate
Determine mode, first core (normal length is less) is placed between two segment pipes, then by core to being clipped in two sections of pipes
It is fixed between road (such as bolt fastening).
Further preferably, described biphase flow tube shell type heat exchanger, the inlet porting pipe flange on fluid inlet tube is described
Entrance pipe flange and pipe flange connect, to pressing from both sides foregoing telescopic two phase flow between entrance pipe flange and pipe flange
Stabilising arrangement.
For wafer type core body fixed form, do not affect pipeline external environment and interface, with dismount it is simple the characteristics of, both
New device is can be suitably used for, plant modification is can be suitably used for again.
Preferably, the pipeline 2 can be independent part, such as the mounting means in Fig. 4 needs to arrange only
Vertical pipeline, it is also possible to be directly fluid line, for example, be set directly in the inlet tube of heat exchanger.
In Fig. 4,1a is core body covering, constitutes pressure boundary, realizes High Temperature High Pressure sealing function.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should
When being defined by claim limited range.
Claims (10)
1. a kind of biphase flow tube shell type heat exchanger, including housing, the housing two ends are respectively provided with end socket, at least one envelope
Two phase flow fluid inlet tube is set on head, it is characterised in that porous media is arranged in fluid inlet tube and/or outlet biphase
Stream stabilising arrangement, the two phase flow stabilising arrangement includes porous media core body, and the porous media core body is by a number of
Club is connected and forms, and club defines the porous media structure of hole intercommunication in X, Y, Z three-dimensional cross weld.
2. heat exchanger as claimed in claim 1, it is characterised in that described hole is square.
3. a kind of telescopic two phase flow stabilising arrangement being arranged in Two-phase Flow Pipeline Transport, including porous media core body, the porous
Dielectric core is to be connected to form by a number of club, and club defines hole in X, Y, Z three-dimensional cross weld
The porous media structure of hole intercommunication.
4. stabilising arrangement as claimed in claim 3, it is characterised in that described hole is square.
5. stabilising arrangement as claimed in claim 3, it is characterised in that the cross section of the club is circular or square
Shape.
6. stabilising arrangement as claimed in claim 3, it is characterised in that X, Y-direction are arranged on cross-section of pipeline, Z-direction edge
The direction of the axis of pipeline, then along on fluid flow direction, the distance between club parallel with X and Y-direction is more next
It is bigger.
7. stabilising arrangement as claimed in claim 6, it is characterised in that then along on fluid flow direction is flat with Y-direction with X
The increasing amplitude of the distance between capable club constantly increases.
8. stabilising arrangement as claimed in claim 3, it is characterised in that the sectional area of small flow channels meets following relationship：
AI, on≤AI, under (2)
In formula, Ai is the circulation area of i-th small flow channels, and unit is mm2；N is small flow channels quantity；ηAFor area ratio,
ηA<1；A0For the circulation area of pipeline, unit is mm2。
9. a kind of Two-phase Flow Pipeline Transport, arranges the stabilising arrangement described in one of claim 3-8, the stabilising arrangement in the pipeline
The arrangement at interval is taken in pipeline, in compartment arrangement, under the length of core, satisfaction spaced apart
Row relation：
Li≥Li,0 (4)
Xi≤Xi,0 (5)
In formula, LiFor the length of i-th core body, unit is mm；Li,0Length is allowed for i-th the minimum of core body, unit is mm,
N is the quantity of core body；XiSpaced apart for i-th, unit is mm；XI, 0For the permission ultimate range at i-th interval, list
Position is mm,
M is the quantity at interval；ηLFor length ratio,
ηL≤1。
10. a kind of biphase flow tube shell type heat exchanger, including housing, the housing two ends are respectively provided with end socket, and described at least one
Two phase flow fluid inlet tube, the inlet porting pipe flange on fluid inlet tube, the entrance pipe flange and pipeline are set on end socket
Flange connects, it is characterised in that to chuck cartridge type two phase flow stabilising arrangement between entrance pipe flange and pipe flange, and described two
Mutually stream stabilising arrangement includes porous media core body, and the porous media core body is to be connected to form by a number of club,
Club defines the porous media structure of hole intercommunication in X, Y, Z three-dimensional cross weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710075743.9A CN106679466B (en) | 2017-02-13 | 2017-02-13 | A kind of Porous Media Two phase Flow shell-and-tube heat exchanger and its stabilising arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710075743.9A CN106679466B (en) | 2017-02-13 | 2017-02-13 | A kind of Porous Media Two phase Flow shell-and-tube heat exchanger and its stabilising arrangement |
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| Publication Number | Publication Date |
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| CN106679466A true CN106679466A (en) | 2017-05-17 |
| CN106679466B CN106679466B (en) | 2017-09-15 |
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ID=58862315
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969652A (en) * | 2017-05-09 | 2017-07-21 | 山东大学 | A kind of condensable annular and separation device heat exchanger of length change |
| CN106979709A (en) * | 2017-05-09 | 2017-07-25 | 山东大学 | A kind of condensable annular and separation device heat exchanger of spacing change |
| CN108344316A (en) * | 2018-02-09 | 2018-07-31 | 西安热工研究院有限公司 | A kind of high-efficiency compact formula heat exchanger of gas-liquid two-phase carbon dioxide and water heat exchange |
| CN109084603A (en) * | 2017-05-09 | 2018-12-25 | 山东大学 | A kind of design method of biphase gas and liquid flow heat exchanger tube annular separating device |
| CN110631267A (en) * | 2018-07-07 | 2019-12-31 | 青岛鑫众合贸易有限公司 | Solar water heater |
| CN111336839A (en) * | 2018-12-18 | 2020-06-26 | 青岛吉云德和商贸有限公司 | Shell-and-tube heat exchanger with variable kernel spacing |
| CN112424555A (en) * | 2018-07-13 | 2021-02-26 | 通用电气公司 | Heat exchanger having three-dimensional lattice structure with circular unit cell inlets and method of forming circular unit cell inlets in three-dimensional lattice structure of heat exchanger |
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| CN101639374A (en) * | 2009-08-26 | 2010-02-03 | 姚贤卿 | Multiphase flow rectifying device |
| CN101725740A (en) * | 2009-12-31 | 2010-06-09 | 广东联塑科技实业有限公司 | Impeller type water hammer-resistant mute check valve |
| CN103673418A (en) * | 2012-09-12 | 2014-03-26 | 珠海格力电器股份有限公司 | Refrigerant flow divider flow stabilizer and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101639374A (en) * | 2009-08-26 | 2010-02-03 | 姚贤卿 | Multiphase flow rectifying device |
| CN101725740A (en) * | 2009-12-31 | 2010-06-09 | 广东联塑科技实业有限公司 | Impeller type water hammer-resistant mute check valve |
| CN103673418A (en) * | 2012-09-12 | 2014-03-26 | 珠海格力电器股份有限公司 | Refrigerant flow divider flow stabilizer and air conditioner |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969652A (en) * | 2017-05-09 | 2017-07-21 | 山东大学 | A kind of condensable annular and separation device heat exchanger of length change |
| CN106979709A (en) * | 2017-05-09 | 2017-07-25 | 山东大学 | A kind of condensable annular and separation device heat exchanger of spacing change |
| CN109084603A (en) * | 2017-05-09 | 2018-12-25 | 山东大学 | A kind of design method of biphase gas and liquid flow heat exchanger tube annular separating device |
| CN109115006A (en) * | 2017-05-09 | 2019-01-01 | 山东大学 | A kind of annular and separation device that biphase gas and liquid flow heat exchanger tube uses |
| CN106969652B (en) * | 2017-05-09 | 2019-03-19 | 山东大学 | A kind of condensable annular and separation device heat exchanger of length variation |
| CN106979709B (en) * | 2017-05-09 | 2019-03-19 | 山东大学 | A kind of condensable annular and separation device heat exchanger of spacing variation |
| CN108344316A (en) * | 2018-02-09 | 2018-07-31 | 西安热工研究院有限公司 | A kind of high-efficiency compact formula heat exchanger of gas-liquid two-phase carbon dioxide and water heat exchange |
| CN108344316B (en) * | 2018-02-09 | 2024-01-30 | 西安热工研究院有限公司 | Efficient compact heat exchanger for heat exchange between gas-liquid two-phase carbon dioxide and water |
| CN110631267A (en) * | 2018-07-07 | 2019-12-31 | 青岛鑫众合贸易有限公司 | Solar water heater |
| CN112424555A (en) * | 2018-07-13 | 2021-02-26 | 通用电气公司 | Heat exchanger having three-dimensional lattice structure with circular unit cell inlets and method of forming circular unit cell inlets in three-dimensional lattice structure of heat exchanger |
| CN112424555B (en) * | 2018-07-13 | 2022-08-05 | 通用电气公司 | Heat exchanger having three-dimensional lattice structure with circular unit cell inlets and method of forming circular unit cell inlets in three-dimensional lattice structure of heat exchanger |
| CN111336839A (en) * | 2018-12-18 | 2020-06-26 | 青岛吉云德和商贸有限公司 | Shell-and-tube heat exchanger with variable kernel spacing |
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| CN106679466B (en) | 2017-09-15 |
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