CN107101514A - What a kind of spacing changed can not condensing body annular and separation device heat exchanger - Google Patents
What a kind of spacing changed can not condensing body annular and separation device heat exchanger Download PDFInfo
- Publication number
- CN107101514A CN107101514A CN201710322105.2A CN201710322105A CN107101514A CN 107101514 A CN107101514 A CN 107101514A CN 201710322105 A CN201710322105 A CN 201710322105A CN 107101514 A CN107101514 A CN 107101514A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- tube
- separating device
- shell
- exchanger tube
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0229—Double end plates; Single end plates with hollow spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/30—Safety or protection arrangements; Arrangements for preventing malfunction for preventing vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a kind of shell-and-tube heat exchanger, including housing, the housing two ends set end socket respectively, the link position of the end socket and housing sets tube sheet, heat exchanger tube connects the tube sheet at two ends, gas phase in biphase gas and liquid flow is insoluble or slightly solubility gas, i.e. in heat transfer process, gas will not be dissolved in liquid, the annular and separation device of damping noise reduction is provided in the heat exchanger tube, multiple annular and separation devices are set in same heat exchanger tube, along the flow direction of heat exchange tube fluid, the spacing of adjacent annular and separation device first gradually increases to a certain position, then since the gradual reduction again of the spacing between adjacent separating device a certain position.The present invention provides a kind of spacing by separating device and changed, and when there is gas liquid two-phase flow in pipeline, at utmost weakens the vibration of pipeline, reduces noise level, while reducing flow resistance.
Description
Technical field
The present invention relates to a kind of shell-and-tube heat exchanger, exchanged heat more particularly, to a kind of two-phase flow containing on-condensible gas
Device.
Background technology
Two phase flow heat transfer containing on-condensible gas is for example mixed into universally present in heat-exchanger rig in heat transfer process
On-condensible gas, or also have such as natural gas liquefaction (main because the on-condensible gas that ageing equipment is produced during fluid transport
Composition is wanted for -162 DEG C of methane of boiling point, -88 DEG C of ethane of boiling point, -42 DEG C of propane of boiling point etc.) during different boiling blending agent
Condensation, air separation, azeotrope refrigeration, oil or cracking waste plastics, the main technique mistake of the industry such as biogas production
Journey.
Fluid containing on-condensible gas is in heat transfer process because the presence of gas phase, can cause heat exchange efficiency low, deterioration is changed
Heat, process fluid flow is unstable, and can cause the generation of water hammer.When the phase of two-phase working substance is not mixed uniformly
And when discontinuously flowing, large-sized liquid group can occupy air mass space at high speed, cause two-phase flow unstable, so that tempestuously
Impact device and pipeline, produce sharp pounding and noise, seriously threaten equipment operation safety.
For the Heat exchanger problem of biphase gas and liquid flow, it has therefore already been proposed that new settling mode solves above-mentioned ask
Topic, such as Publication No. CN105258535A patent applications, can by " thorn " and " hole " by setting bur to destroy laminar sublayer
To disturb fluid on different height respectively, so as to carry out augmentation of heat transfer.But above-mentioned technology does not solve biphase gas and liquid flow
Vibrations and noise problem in heat exchanger, and above-mentioned settling mode is complicated, and because the dimensional problem of bur, nothing
Method ensures the disturbance on the whole cross section in the middle part of heat exchanger tube, it is impossible to realize uniform, noise and the shake of gas phase liquid phase on the whole
Dynamic problem is still serious.In view of the above-mentioned problems, the invention provides a kind of heat exchanger of the separating device of Novel structure, so as to solve
Certainly above-mentioned the problem of.
The applicant also devises a kind of multitube separating device in above applying, shown in Figure 7.But such a dress
Put and find in operation, because be to be closely linked between pipe, therefore the space A formed between three pipes is relatively
Small, because the convex arc that space A is three pipes is formed, therefore space A most of regional space is narrow, can cause fluid can not
Enter through, cause fluid short, so as to have impact on the heat exchange of fluid, it is impossible to play good current stabilization effect.Simultaneously as on
Many tube combinations for stating structure together, manufacture difficult.
The content of the invention
It is an object of the invention to provide a kind of heat exchanger of the separating device of Novel structure, there is gas-liquid two-phase in pipeline
During flowing, weaken the vibration in biphase gas and liquid flow heat exchanger tube, noise level is reduced, while augmentation of heat transfer.
To achieve these goals, technical scheme is as follows：
A kind of shell-and-tube heat exchanger, including housing, the housing two ends set end socket, the company of the end socket and housing respectively
Connect position and tube sheet is set, the gas phase that heat exchanger tube is connected in the tube sheet at two ends, biphase gas and liquid flow is insoluble or slightly solubility gas, i.e.,
In heat transfer process, gas will not be dissolved in the separating device that damping noise reduction is provided in liquid, the heat exchanger tube, same heat exchange
Multiple separating devices are set in pipe, and along the flow direction of heat exchange tube fluid, the spacing of adjacent separating device is first gradual
Increase to a certain position, then since the gradual reduction again of the spacing between adjacent separating device a certain position.
Preferably, along the flow direction of heat exchange tube fluid, the spacing of the adjacent separating device gradually subtracts
Small amplitude is increasing.
Preferably, along the flow direction of heat exchange tube fluid, the spacing of adjacent separating device is gradually increased
Amplitude is increasing.
Preferably, the length of heat exchanger tube is L, a certain position is the centre position of heat exchanger tube length.
Preferably, the separating device includes core body and shell, the core body is arranged in shell, and the shell is with changing
Heat pipe inner wall is connected, and the core body includes multiple concentric tubes and fin, and the fin connects adjacent concentric tube.
Preferably, setting intercommunicating pore on the concentric tube and fin.
Preferably, the extended line of the fin passes through the center of circle of concentric tube.
Preferably, heat exchanger tube is welded for multi-segment structure, the junction of multi-segment structure sets segmenting device.
Preferably, the distance between adjacent separating device is S, the length of separating device is C, and the external diameter of heat exchanger tube is W,
The radius of neighboring concentric pipe is respectively R2And R1, wherein R2>R1, the radian of the circular arc between adjacent fin is h, is met as follows
It is required that：
S/C=a-b*LN (W/E)；
E=((h*R2 2-h*R1 2)/2)1/2；
Wherein LN is logarithmic function, and a, b is parameter, wherein 16.1<a<17.2,7.9<b<8.8；
The spacing of wherein separating device is with the distance between relative two ends of adjacent separating device；
34<W<58mm；
7<E<12；
14<C<23mm；
50<S<70mm。
Preferably, a=16.5, b=8.4.
Compared with prior art, it is of the invention to have the following advantages：
1) flowing law of the invention according to the gas phase liquid phase in heat exchanger tube so that the length of the separating device first reduces
After increase, at utmost weaken pipeline vibration, reduce noise level, while reduce flow resistance.
2) the invention provides a kind of separating device of Novel structure, two-phase fluid is separated with respect to separating device
Into liquid and gas, liquid phase is divided into small liquid group, gas phase is divided into minute bubbles, suppresses the backflow of liquid phase, promotes gas phase suitable
Channel Group is moved, and plays a part of regime flow, the effect with vibration and noise reducing.Relative to multitube separating device, further improve
Steady flow result, augmentation of heat transfer, and be simple to manufacture.
3) present invention, equivalent to interior heat exchange area is added in heat exchanger tube, enhances heat exchange by setting separating device,
Improve heat transfer effect.
4) present invention is because gas-liquid two-phase is split in the whole cross-section location of heat exchanger tube, it is to avoid existing
Only heat exchanger tube internal face is split in technology, and gas-liquid interface and gas phase are expanded so as to be realized on entirely heat exchange tube section
The contact area of boundary layer and cooling wall simultaneously strengthens disturbance, reduces noise and vibrations, enhances heat transfer.
5) present invention is by setting up the distance between adjacent separating device, the length of separating device in heat exchanger tube length side
The rule change of the parameter sizes such as degree, the external diameter of through hole, so as to further reach steady flow result, reduces noise, improves heat exchange
Effect.
6) present invention by the rule that exchanges heat caused by the change to annular and separation device parameters widely grind
Study carefully, in the case of flow resistance is met, realize the best relation formula of the effect of vibration and noise reducing.
Brief description of the drawings
Fig. 1 is the structural representation of the two-phase flow tube shell type heat exchanger of the present invention；
Fig. 2 is the heat exchange tube structure schematic diagram of the two-phase flow tube shell type heat exchanger of the present invention；
Fig. 3 separating device structural representations of the present invention；
Fig. 4 is that separating device of the present invention arranges schematic diagram in heat exchanger tube；
Fig. 5 is another schematic diagram that separating device of the present invention is arranged in heat exchanger tube.
Fig. 6 is that separating device of the present invention arranges cross-sectional view in heat exchanger tube.
Fig. 7 is the scale diagrams of separating device of the present invention.
Fig. 8 is the structural representation of the two-phase flow tube shell type heat exchanger in background technology.
Reference is as follows：Front head 1, cover flange 2, front tube sheet 3, housing 4, separating device 5, heat exchanger tube 6, back tube sheet
7, cover flange 8, rear head 9, bearing 10, bearing 11, tube-side inlet pipe 12, tube side outlet 13, shell side inlet pipe 14, shell side
Outlet 15, separating device shell 51, annular distance 52, fin 53, concentric tube 54
Embodiment
The embodiment to 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.
If it should be noted that without specified otherwise, the two phase flow that the present invention is mentioned is biphase gas and liquid flow, gas herein
Body is insoluble or slightly solubility gas, i.e., in heat transfer process, and gas will not be dissolved in liquid.
A kind of shell-and-tube heat exchanger as shown in Figure 1, the shell-and-tube heat exchanger includes housing 4, heat exchanger tube 6, tube side
Inlet tube 12, tube side outlet 13, shell side inlet adapter 14 and shell-side outlet adapter 15；Multiple 6 groups of heat exchanger tubes be arrangeding in parallel
Into heat-exchanging tube bundle be connected to front tube sheet 3, on back tube sheet 7；The front end of the front tube sheet 3 is connected with front head 1, back tube sheet 7
Rear end connects rear head 9；Described tube-side inlet pipe 12 is arranged on rear head 9；Before described tube side outlet 13 is arranged on
On end socket 1；Described shell side inlet adapter 14 and shell-side outlet adapter 15 is arranged on housing 4；The fluid of two phase flow is from pipe
Journey inlet tube 12 enters, and is exchanged heat by heat exchanger tube, is gone out from tube side outlet 13.
It is provided in the separating device 5 of damping noise reduction, same heat exchanger tube 6 setting multiple separate in the heat exchanger tube 6
Device 5, as shown in figure 4, along the flow direction (i.e. from the entrance of heat exchanger tube to the outlet of heat exchanger tube) of fluid in heat exchanger tube 6,
Spacing first gradual increase between adjacent separating device 5, then until increasing to a certain position, then since a certain position
The spacing of separating device is again gradual to be reduced.
Main cause is because containing on-condensible gas in fluid, therefore along the flow direction of fluid, on-condensible gas is still
In the presence of, will not because heat exchange tube fluid heat release and condense.From the entrance of heat exchanger tube 6 to the middle part of heat exchanger tube 6, because fluid is sealed in the past
First 1 enters in heat exchanger tube, and in the anterior flowing of heat exchanger tube 6, the vibrations of fluid and noise are relatively few, therefore will can now divide
Every the larger of the distance between device setting, damping and reduction noise can be both realized, while resistance can also be reduced.But
From the middle part of heat exchanger tube backward, because in the presence of the change of space from small to large from heat exchanger tube 6 to rear head 9 this section, this
The change of section can cause the quick of gas to flow upwards out and assemble, and liquid also can the quickly outflow of item bottom and aggregation, therefore empty
Between change can cause aggregation gas phase (air mass) enter end socket from tubesheet location, due to gas (vapour) liquid density contrast, air mass, which leaves, to be connect
Pipe position will be moved rapidly upward, and the former locus of air mass pushes away the liquid of wall while also by rapid resilience and hitting by air mass
Wall is hit, water hammer is formed.Gas (vapour) liquid phase is more discontinuous, and air mass aggregation is bigger, and water hammer energy is bigger.Water hammer can be made
Into larger noise vibrations and mechanical shock, equipment is damaged.Therefore in order to avoid the generation of this phenomenon, now set
The distance between adjacent separating device it is shorter and shorter, so as to increase the density of separating device, constantly increase in fluid conveying
During separate gas phase and liquid phase, so as to reduce vibrations and noise to the full extent.
Preferably, along the flow direction of heat exchange tube fluid, the width that the length of the separating device 5 gradually reduces
Degree is increasing.
Preferably, along the flow direction of heat exchange tube fluid, the gradual increased amplitude of length of separating device 5 is got over
Come bigger.
It is found through experiments that, by being arranged such, can further reduces by 10% or so vibrations and noise, reduces simultaneously
The resistance of flowing 5% or so.
Preferably, the length of heat exchanger tube is L, a certain position is heat exchanger tube length L centre position.
As illustrated in figures 4-5, annular and separation device 5 is set in heat exchanger tube 6.The structure of the annular and separation device 5 is shown in figure
3.As shown in figure 3, the separating device 5 includes core body and shell 51, the core body is arranged in shell 51, and the shell is with changing
Heat pipe inner wall is connected, and the core body includes multiple concentric tubes 54 and fin 53, and the fin 53 connects adjacent concentric tube
54.Limited between the concentric tube 54 that adjacent fin 53 and its fin 53 are connected and form annular distance 52.
The present invention sets annular and separation device in heat exchanger tube, by multitube separating device by the liquid phase in two-phase fluid
Separated with gas phase, liquid phase is divided into small liquid group, gas phase is divided into minute bubbles, suppressed the backflow of liquid phase, promote gas phase
Smooth outflow, plays a part of regime flow, the effect with vibration and noise reducing.Relative to multitube separating device, further carry
High steady flow result, augmentation of heat transfer, and be simple to manufacture.
The present invention, equivalent to interior heat exchange area is added in heat exchanger tube, is enhanced and changed by setting annular and separation device
Heat, improves heat transfer effect.
The present invention is because all cross-section locations by gas-liquid two-phase in all heat exchanger tubes are split, so that whole
Gas-liquid interface and the segmentation of gas phase boundary and the contact area of cooling wall are realized on heat exchange tube section and strengthens disturbance, greatly
Big reduces noise and vibrations, enhances heat transfer.
Preferably, preferably, setting intercommunicating pore on the concentric tube 54 and/or fin 53.
Intercommunicating pore is set between adjacent annular distance, the connection between annular distance 52 is realized by intercommunicating pore.
By setting intercommunicating pore, it is ensured that interconnected between adjacent annular distance, pressure that can uniformly between annular distance,
So that the fluid of high pressure runner flows to low pressure, while can also further separate liquid and gas while flow of fluid, have
Beneficial to further stable two-phase flow.
Preferably, the extended line of the fin passes through the center of circle of concentric tube.
Preferably, along the flow direction of heat exchange tube fluid, heat exchanger tube is interior to set multiple separating devices, from heat exchanger tube
Entrance to the middle part of heat exchanger tube, the distance between adjacent separating device is increasingly longer, from the middle part of heat exchanger tube to heat exchanger tube
Export, the distance between adjacent separating device is shorter and shorter.I.e. the length of heat exchanger tube is L, apart from the distance of heat exchange tube inlet
For X, the distance between adjacent separating device is S, S=F1(X), S ' is S first order derivative, meets following require：
S’>0,0<=X<L/2；
S’<0,L/2<=X<=L；
Main cause is because containing on-condensible gas in fluid, therefore along the flow direction of fluid, on-condensible gas is still
In the presence of, will not because heat exchange tube fluid heat release and condense.From the entrance of heat exchanger tube 6 to the middle part of heat exchanger tube 6, because fluid is sealed in the past
First 1 enters in heat exchanger tube, and in the anterior flowing of heat exchanger tube 6, the vibrations of fluid and noise are relatively few, therefore will can now divide
Every the larger of the distance between device setting, damping and reduction noise can be both realized, while resistance can also be reduced.But
From the middle part of heat exchanger tube backward, because in the presence of the change of space from small to large from heat exchanger tube 6 to rear head 9 this section, this
The change of section can cause the quick of gas to flow upwards out and assemble, and liquid also can the quickly outflow of item bottom and aggregation, therefore empty
Between change can cause aggregation gas phase (air mass) enter end socket from tubesheet location, due to gas (vapour) liquid density contrast, air mass, which leaves, to be connect
Pipe position will be moved rapidly upward, and the former locus of air mass pushes away the liquid of wall while also by rapid resilience and hitting by air mass
Wall is hit, water hammer is formed.Gas (vapour) liquid phase is more discontinuous, and air mass aggregation is bigger, and water hammer energy is bigger.Water hammer can be made
Into larger noise vibrations and mechanical shock, equipment is damaged.Therefore in order to avoid the generation of this phenomenon, now set
The distance between adjacent separating device it is shorter and shorter, so as to constantly separate gas phase and liquid phase in fluid delivery process, from
And vibrations and noise are reduced to the full extent.
It is found through experiments that, by above-mentioned setting, vibrations and noise can be both reduced to the full extent, while can protect
The flow resistance of card reduction fluid.
Further preferably, from the entrance of heat exchanger tube to the middle part of heat exchanger tube, the distance between adjacent separating device is increasingly
Long amplitude is continuously increased, from the middle part of heat exchanger tube to the outlet of heat exchanger tube, and the distance between adjacent separating device is increasingly
Short amplitude is continuously increased.That is S " is S second derivative, meets following require：
S”>0,0<=X<L/2；
S”>0,L/2<=X<=L；
It is found through experiments that, by being arranged such, can further reduces by 10% or so vibrations and noise, reduces simultaneously
The resistance of flowing 5% or so.
Preferably, the length of each separating device keeps constant.
Preferably, in addition to the distance between adjacent separating device, separating device others parameter (such as length,
Caliber etc.) keep constant.
Preferably, along the flow direction of fluid in heat exchanger tube 6, multiple separating devices 5 are set in heat exchanger tube 6, from changing
The entrance of heat pipe 6 is to the middle part of heat exchanger tube 6, and the length of separating device 5 is shorter and shorter, from the middle part of heat exchanger tube 6 to heat exchanger tube 6
Outlet, the length of separating device 5 is increasingly longer.I.e. the length of separating device is C, C=F2(X), C ' is C first order derivative, full
Foot is following to be required：
C’<0,0<=X<L/2；
C’>0,L/2<=X<=L；
Further preferably, from the entrance of heat exchanger tube to the middle part of heat exchanger tube, the shorter and shorter amplitude of the length of separating device
It is continuously increased, from the middle part of heat exchanger tube to the outlet of heat exchanger tube, the length of separating device increasingly longer amplitude is continuously increased.I.e.
C " is C second derivative, meets following require：
C”>0,0<=X<L/2；
C”>0,L/2<=X<=L；
The change of the distance between for example adjacent separating device of specific reason is identical.
Preferably, the distance between adjacent separating device keeps constant.
Preferably, except the length of separating device is outside one's consideration, separating device others parameters (such as adjacent spacing, caliber
Deng) keep constant.
Preferably, along the flow direction of fluid in heat exchanger tube 6, heat exchanger tube 6 is interior to set multiple separating devices, from heat exchange
The entrance of pipe 6 is to the middle part of heat exchanger tube 6, and the hydraulic diameter of the annular distance 52 in different separating devices 5 is increasing, from heat exchanger tube
The hydraulic diameter of annular distance 52 in middle part to the outlet of heat exchanger tube, different separating devices 5 is less and less.That is the annular distance of separating device
Hydraulic diameter be D, D=F3(X), D ' is D first order derivative, meets following require：
D’>0,0<=X<L/2；
D’<0,L/2<=X<=L；
Preferably, from the entrance of heat exchanger tube to the middle part of heat exchanger tube, the annular distance hydraulic diameter of separating device is increasing
Amplitude be continuously increased, from the middle part of heat exchanger tube to the outlet of heat exchanger tube, the annular distance hydraulic diameter of separating device is less and less
Amplitude is continuously increased.I.e.
D " is D second derivative, meets following require：
D”>0,0<=X<L/2；
D”>0,L/2<=X<=L.
The change of the distance between for example adjacent separating device of specific reason is identical.
Preferably, the length of separating device and the distance of adjacent separating device keep constant.
Preferably, in addition to the annular distance hydraulic diameter of separating device, separating device others parameter (such as length, phase
The distance between adjacent separating device etc.) keep constant.
Further preferably, as shown in figure 4, the inside of the heat exchanger tube 6 sets groove, the shell 51 of the separating device 5 is set
Put in groove.
Preferably, the aligning inner of the inwall of shell 51 and heat exchanger tube 6.Pass through alignment so that heat exchanger tube internal face table
Reached on face in approximately the same plane, it is ensured that surface it is smooth.
Preferably, the thickness of shell 51 is less than the depth of groove, it can so cause heat exchanger tube internal face formation groove,
So as to carry out augmentation of heat transfer.
Further there is choosing, as shown in figure 5, heat exchanger tube 6 is welded for multi-segment structure, the junction of multi-segment structure, which is set, to be divided
Every device 5.This mode causes being simple to manufacture for the heat exchanger tube for setting separating device, cost reduction.
By analysis and experiment learn, the spacing between separating device can not be excessive, it is excessive if cause damping noise reduction
Effect it is bad, while can not be too small, it is too small if cause resistance excessive, similarly, the diameter of annular distance can not it is excessive or
Too small, the effect for also resulting in damping noise reduction is bad or resistance is excessive, therefore the present invention is preferentially being expired by substantial amounts of experiment
The normal flow resistance of foot (total pressure-bearing is below 10Mpa, or the on-way resistance of single heat exchange tube is less than or equal to 50Pa/M)
In the case of so that being optimal of damping noise reduction, arrange the optimal relation of parameters.
The distance between adjacent separating device is S, and the length of separating device is C, and the external diameter of heat exchanger tube is W, neighboring concentric
It is respectively R to manage (such as in 3 concentric tubes in Fig. 62 of arbitrary neighborhood) radius2And R1, wherein R2>R1, and/or shell
51 and the radius of adjacent concentric tube are respectively R2And R1, (such as the radius of the shell 51 in Fig. 6 is R2, what is be connected with shell is same
The radius of heart pipe is R1), the radian of the circular arc between adjacent fin is h, meets following require：
S/C=a-b*LN (W/E)；
E=((h*R2 2-h*R1 2)/2)1/2；
Wherein LN is logarithmic function, and a, b is parameter, wherein 16.1<a<17.2,7.9<b<8.8；
34<W<58mm；
7<E<12；
14<C<23mm；
50<S<70mm。
Preferably, 16.3<a<16.6,8.2<b<8.5.
The interval S of wherein separating device is with the distance between relative two ends of adjacent separating device；Above separate dress
The tail end put and the distance between front end of separating device below.Referring specifically to Fig. 4 mark.
Shell 51 actually is considered as into outermost concentric tube in above formula to participate in calculating together.
Radian h is with the radian of the medium line restriction of fin 53, referring to Fig. 7；The radius of concentric tube is respectively R2And R1Be with
The internal diameter of concentric tube and the average value of external diameter are calculated.
Further preferably, a=16.5, b=8.4.
Preferably, heat exchanger tube length L is between 3000-7500mm.Further preferably, between 4500-6000mm.
Further preferably, 40mm<W<50mm；
18mm<C<20mm；
55mm<S<60mm。
By the preferred of the optimal geometric scale of above-mentioned formula, it can realize under the conditions of meeting normal flow resistance,
Damping noise reduction reaches optimum efficiency.
Preferably, concentric tube is 2-3.
Further preferably, as W/E increase, a are continuously increased, b constantly reduces.
For other parameters, the parameter such as tube wall, housing wall thickness is set according to normal standard.
Preferably, fluid is water in shell side.
Preferably, tube side inner fluid speed 3-5m/S.
Preferably, the length L of heat exchanger tube and the diameter of the housing ratio of heat exchanger are 6-10.
Preferably, concentric tube and fin extend in the whole length direction of separating device 5.I.e. concentric tube and fin and
The length of the annular distance 52 formed between concentric tube and fin is equal to the length of separating device 5.
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
It is defined when by claim limited range.
Claims (10)
1. a kind of shell-and-tube heat exchanger, including housing, the housing two ends set end socket, the connection of the end socket and housing respectively
Position sets tube sheet, and the gas phase that heat exchanger tube is connected in the tube sheet at two ends, biphase gas and liquid flow is insoluble or slightly solubility gas, that is, is changed
In thermal process, gas will not be dissolved in liquid, it is characterised in that the separating device of damping noise reduction is provided in the heat exchanger tube,
Multiple separating devices are set in same heat exchanger tube, along the flow direction of heat exchange tube fluid, between adjacent separating device
Away from first a certain position is gradually increased to, then gradually subtract again since the spacing between adjacent separating device a certain position
It is small.
2. shell-and-tube heat exchanger as claimed in claim 1, it is characterised in that along the flow direction of heat exchange tube fluid, institute
State the amplitude that the spacing of adjacent separating device gradually reduces increasing.
3. shell-and-tube heat exchanger as claimed in claim 1, it is characterised in that along the flow direction of heat exchange tube fluid, phase
The gradual increased amplitude of the spacing of adjacent separating device is increasing.
4. shell-and-tube heat exchanger as claimed in claim 1, it is characterised in that the length of heat exchanger tube is L, and a certain position is
The centre position of heat exchanger tube length.
5. shell-and-tube heat exchanger as claimed in claim 1, it is characterised in that the separating device includes core body and shell, institute
State core body to be arranged in shell, the shell is connected with heat exchange inside pipe wall, and the core body includes multiple concentric tubes and fin,
The fin connects adjacent concentric tube.
6. heat exchanger as claimed in claim 5, it is characterised in that intercommunicating pore is set on the concentric tube and fin.
7. stabilising arrangement as claimed in claim 5, it is characterised in that the extended line of the fin passes through the center of circle of concentric tube.
8. heat exchanger as claimed in claim 7, it is characterised in that heat exchanger tube is welded for multi-segment structure, multi-segment structure
Junction sets segmenting device.
9. heat exchanger as claimed in claim 5, it is characterised in that the distance between adjacent separating device is S, separating device
Length is C, and the external diameter of heat exchanger tube is W, and the radius of neighboring concentric pipe is respectively R2And R1, wherein R2>R1, between adjacent fin
The radian of circular arc be h, meet following require：
S/C=a-b*LN (W/E)；
E=((h*R2 2-h*R1 2)/2)1/2；
Wherein LN is logarithmic function, and a, b is parameter, wherein 16.1<a<17.2,7.9<b<8.8；
The spacing of wherein separating device is with the distance between relative two ends of adjacent separating device；
34<W<58mm；
7<E<12；
14<C<23mm；
50<S<70mm。
10. heat exchanger as claimed in claim 9, it is characterised in that a=16.5, b=8.4.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322105.2A CN107101514B (en) | 2017-05-09 | 2017-05-09 | A kind of variation of spacing can not condensing body annular and separation device heat exchanger |
| CN201810495100.4A CN108895865B (en) | 2017-05-09 | 2017-05-09 | One kind can not condensing body heat exchanger |
| CN201810495794.1A CN108645252B (en) | 2017-05-09 | 2017-05-09 | A kind of variation of hydraulic diameter can not condensing body annular and separation device heat exchanger |
| CN201810494409.1A CN108692594B (en) | 2017-05-09 | 2017-05-09 | It is a kind of setting intercommunicating pore can not condensing body annular and separation device heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322105.2A CN107101514B (en) | 2017-05-09 | 2017-05-09 | A kind of variation of spacing can not condensing body annular and separation device heat exchanger |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810495794.1A Division CN108645252B (en) | 2017-05-09 | 2017-05-09 | A kind of variation of hydraulic diameter can not condensing body annular and separation device heat exchanger |
| CN201810495100.4A Division CN108895865B (en) | 2017-05-09 | 2017-05-09 | One kind can not condensing body heat exchanger |
| CN201810494409.1A Division CN108692594B (en) | 2017-05-09 | 2017-05-09 | It is a kind of setting intercommunicating pore can not condensing body annular and separation device heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107101514A true CN107101514A (en) | 2017-08-29 |
| CN107101514B CN107101514B (en) | 2018-08-07 |
Family
ID=59669475
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810495100.4A Active CN108895865B (en) | 2017-05-09 | 2017-05-09 | One kind can not condensing body heat exchanger |
| CN201810494409.1A Active CN108692594B (en) | 2017-05-09 | 2017-05-09 | It is a kind of setting intercommunicating pore can not condensing body annular and separation device heat exchanger |
| CN201810495794.1A Active CN108645252B (en) | 2017-05-09 | 2017-05-09 | A kind of variation of hydraulic diameter can not condensing body annular and separation device heat exchanger |
| CN201710322105.2A Active CN107101514B (en) | 2017-05-09 | 2017-05-09 | A kind of variation of spacing can not condensing body annular and separation device heat exchanger |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810495100.4A Active CN108895865B (en) | 2017-05-09 | 2017-05-09 | One kind can not condensing body heat exchanger |
| CN201810494409.1A Active CN108692594B (en) | 2017-05-09 | 2017-05-09 | It is a kind of setting intercommunicating pore can not condensing body annular and separation device heat exchanger |
| CN201810495794.1A Active CN108645252B (en) | 2017-05-09 | 2017-05-09 | A kind of variation of hydraulic diameter can not condensing body annular and separation device heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (4) | CN108895865B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489270A (en) * | 2018-08-05 | 2019-03-19 | 青岛鑫众合贸易有限公司 | A kind of trough type solar heat-collector system at stabilising arrangement interval |
| CN110006274A (en) * | 2018-01-04 | 2019-07-12 | 日本碍子株式会社 | Heat-exchanging part and heat exchanger |
| CN110500909A (en) * | 2019-08-07 | 2019-11-26 | 东南大学 | A kind of horizontal shell-and-tube energy storage heat exchanger |
| CN110806024A (en) * | 2018-08-05 | 2020-02-18 | 青岛鑫众合贸易有限公司 | Trough type solar heat collector system with size of stabilizing device |
| 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 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623253A (en) * | 2018-10-29 | 2019-04-16 | 东方电气集团东方锅炉股份有限公司 | A kind of major diameter double tubesheet tube bank assembly technology |
| CN110057221A (en) * | 2019-05-16 | 2019-07-26 | 北京盛赢节能技术有限公司 | Fluid-bed heat exchanger lower resistance end socket |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831462A (en) * | 2005-03-07 | 2006-09-13 | 松下电器产业株式会社 | Heat transfer pipe |
| CN101639374A (en) * | 2009-08-26 | 2010-02-03 | 姚贤卿 | Multiphase flow rectifying device |
| US20120057964A1 (en) * | 2009-12-31 | 2012-03-08 | Guangdong Liansu Technology Industrial Co., Ltd. | Impeller type water-hammer proof and silent 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1098373A1 (en) * | 1982-11-03 | 1985-11-30 | Предприятие П/Я В-2679 | Heat-exchanging pipe |
| SU1332140A1 (en) * | 1986-04-28 | 1987-08-23 | Киевский Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции | Heat exchange pipe for vertical heat exchanger |
| JP5118730B2 (en) * | 2009-08-21 | 2013-01-16 | ダイキン工業株式会社 | Heat exchanger |
| CN204881271U (en) * | 2015-08-20 | 2015-12-16 | 华北电力大学 | Shell and tube type heat exchanger of interpolation segmentation silk screen |
| CN107869925B (en) * | 2017-03-21 | 2019-01-18 | 山东大学 | A kind of shell-and-tube heat exchanger of the multitube constant-current stabilizer containing on-condensible gas |
-
2017
- 2017-05-09 CN CN201810495100.4A patent/CN108895865B/en active Active
- 2017-05-09 CN CN201810494409.1A patent/CN108692594B/en active Active
- 2017-05-09 CN CN201810495794.1A patent/CN108645252B/en active Active
- 2017-05-09 CN CN201710322105.2A patent/CN107101514B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1831462A (en) * | 2005-03-07 | 2006-09-13 | 松下电器产业株式会社 | Heat transfer pipe |
| CN101639374A (en) * | 2009-08-26 | 2010-02-03 | 姚贤卿 | Multiphase flow rectifying device |
| US20120057964A1 (en) * | 2009-12-31 | 2012-03-08 | Guangdong Liansu Technology Industrial Co., Ltd. | Impeller type water-hammer proof and silent 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006274A (en) * | 2018-01-04 | 2019-07-12 | 日本碍子株式会社 | Heat-exchanging part and heat exchanger |
| CN109489270A (en) * | 2018-08-05 | 2019-03-19 | 青岛鑫众合贸易有限公司 | A kind of trough type solar heat-collector system at stabilising arrangement interval |
| CN110806024A (en) * | 2018-08-05 | 2020-02-18 | 青岛鑫众合贸易有限公司 | Trough type solar heat collector system with size of stabilizing device |
| CN109489270B (en) * | 2018-08-05 | 2020-02-18 | 青岛鑫众合贸易有限公司 | Trough type solar heat collector system with interval stabilizing devices |
| CN110806024B (en) * | 2018-08-05 | 2020-08-28 | 伟迈云科技股份有限公司 | Trough type solar heat collector system with size of stabilizing device |
| 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 |
| CN110500909A (en) * | 2019-08-07 | 2019-11-26 | 东南大学 | A kind of horizontal shell-and-tube energy storage heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108692594B (en) | 2019-05-17 |
| CN108692594A (en) | 2018-10-23 |
| CN107101514B (en) | 2018-08-07 |
| CN108895865A (en) | 2018-11-27 |
| CN108895865B (en) | 2019-05-17 |
| CN108645252B (en) | 2019-05-17 |
| CN108645252A (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107101514B (en) | A kind of variation of spacing can not condensing body annular and separation device heat exchanger | |
| CN107131781B (en) | A kind of variation of length can not condensing body annular and separation device heat exchanger | |
| CN107036478B (en) | A kind of annular and separation device heat exchanger containing on-condensible gas | |
| CN107869924B (en) | A kind of shell-and-tube heat exchanger of the condensable multitube constant-current stabilizer of vapour phase | |
| CN106969652A (en) | A kind of condensable annular and separation device heat exchanger of length change | |
| CN108204751B (en) | A kind of non-condensable gas pipe heat exchanger of constant-current stabilizer spacing variation | |
| CN107062960A (en) | A kind of loop circuit heat pipe of annular and separation device short transverse change | |
| CN107167010A (en) | A kind of loop circuit heat pipe | |
| CN107044788B (en) | A kind of condensable annular and separation device heat exchanger | |
| CN107869925B (en) | A kind of shell-and-tube heat exchanger of the multitube constant-current stabilizer containing on-condensible gas | |
| CN107167009A (en) | The annular and separation device loop circuit heat pipe of hydraulic diameter change | |
| CN107966051A (en) | A kind of condensable porous type constant-current stabilizer heat exchanger of spacing change | |
| CN107976093B (en) | A kind of non-condensable gas porous type constant-current stabilizer heat exchanger of spacing variation | |
| CN107869927A (en) | A kind of non-condensable gas pipe heat exchanger of constant-current stabilizer length change | |
| CN107144161A (en) | The annular and separation device loop circuit heat pipe that spacing changes in a kind of short transverse | |
| CN106979709A (en) | A kind of condensable annular and separation device heat exchanger of spacing change | |
| CN107894178A (en) | A kind of constant-current stabilizer spacing becomes the heat exchanger of big condensable gas | |
| CN107966050B (en) | A kind of porous type constant-current stabilizer heat exchanger containing on-condensible gas | |
| CN107869926A (en) | The condensable gas heat exchanger that a kind of constant-current stabilizer size tapers into | |
| CN107976094B (en) | A kind of non-condensable gas porous type constant-current stabilizer heat exchanger of length variation | |
| CN107966052A (en) | Condensable porous current stabilizer heat exchanger with variable length | |
| CN107966053A (en) | A kind of condensable porous type constant-current stabilizer heat exchanger | |
| CN109855450A (en) | A kind of design method of on-condensible gas pipe for shell-and-tube exchanger spacing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |