CN108332584A - Biflow path pipe shell-type exchangers and heat-exchange method - Google Patents
Biflow path pipe shell-type exchangers and heat-exchange method Download PDFInfo
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- CN108332584A CN108332584A CN201810173429.9A CN201810173429A CN108332584A CN 108332584 A CN108332584 A CN 108332584A CN 201810173429 A CN201810173429 A CN 201810173429A CN 108332584 A CN108332584 A CN 108332584A
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- bobbin carriage
- heat exchanger
- multiple lumen
- case
- tube
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000012530 fluid Substances 0.000 claims abstract description 85
- 230000008676 import Effects 0.000 claims description 12
- 208000002925 dental caries Diseases 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000003475 lamination Methods 0.000 abstract description 4
- 239000003507 refrigerant Substances 0.000 description 7
- 238000005057 refrigeration Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F28D7/1607—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 particular pattern of flow of the heat exchange media, e.g. change of flow direction
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of biflow path pipe shell-type exchangers and heat-exchange methods, multiple lumen case is equipped in biflow path pipe shell-type exchangers, it is equipped with distributor in multiple lumen case, medium fluid flows to multiple lumen case and by distributor even into two or more sets heat exchanger tube, multiple lumen case is being entered after being exchanged heat, then medium fluid flows to two or more sets heat exchanger tubes from multiple lumen case again, repeatedly exchanges heat back and forth.Through the above way, biflow path pipe shell-type exchangers of the present invention and heat-exchange method can improve velocity of medium, it avoids medium from generating gas-liquid lamination when bobbin carriage is flowed and turned to and causes heat exchanger tube utilization rate low, efficiently solve the problems, such as that heat exchange is uneven, improve the coefficient of heat transfer of heat exchanger.
Description
Technical field
The present invention relates to heat exchange equipment technical fields, more particularly to a kind of biflow path pipe shell-type exchangers and change
Hot method.
Background technology
Heat exchanger be between hot fluid and cold fluid carry out heat transfer equipment, be petrochemical industry, power, environmental protection,
The common apparatus of the industrial departments such as refrigeration is component important in refrigeration system.In refrigeration systems, as evaporator and condensation
Device uses.
And evaporator is compared to seeming more troublesome for condenser, the also bigger of the influence to refrigeration system.Evaporator point
For dry evaporator and flooded evaporator.
Dry evaporator has following characteristics compared with flooded evaporator：1, the flow velocity of refrigerant is fast, can be by lubricating oil
Bring compressor into；2, filling refrigeration dose is few；3, freezing accident is not susceptible to when refrigerating medium is water.
But dry evaporator the shortcomings that also having itself：In the dry evaporator of multipaths, the refrigerant of gas-liquid two-phase
When being turned in bobbin carriage, it may occur that gas-liquid lamination is uniform in next each pipe of flow to affect refrigerant
Distribution, air content is more, and this maldistribution is also more serious, occur partial tube without or only a small amount of liquid
（That is blank pipe phenomenon）, and the effect of evaporation heat transfer is lost, evaporator whole heat transfer area does not also effectively utilize.
Invention content
It, can be with the invention mainly solves the technical problem of providing a kind of biflow path pipe shell-type exchangers and heat-exchange method
Ensure being uniformly distributed for refrigerant in each tube side, improves refrigerant flow rates, increase the coefficient of heat transfer, the heat-exchange performance of heat exchanger
It can significantly increase.
In order to solve the above technical problems, one aspect of the present invention is：A kind of biflow path pipe shell-type heat is provided
Exchanger, including：Shell, shell end are equipped with multiple lumen case, preposition bobbin carriage and postposition bobbin carriage, preposition pipe are equipped in multiple lumen case
Case and postposition bobbin carriage are made of one or more relatively independent cavitys respectively,
Preposition bobbin carriage and postposition bobbin carriage are communicated with the heat exchanger tube of enclosure interior, form at least two relatively independent runners for real
Existing fluid is round-trip.
In a preferred embodiment of the present invention, shell end is additionally provided with tube sheet, and multiple lumen case is fixed on tube sheet, multiple chamber
It is realized and is sealed by gasket between bobbin carriage and tube sheet, preposition bobbin carriage forms relatively independent chamber by multiple lumen case, gasket and tube sheet
Body, postposition bobbin carriage is relatively independent to be placed in inside multiple lumen case.
In a preferred embodiment of the present invention, preposition bobbin carriage includes at least three relatively independent cavitys, is formed mutual
Independently arranged first preposition bobbin carriage, the second preposition bobbin carriage and the preposition bobbin carriage of third；
Postposition bobbin carriage includes at least three relatively independent cavitys, after forming the first postposition bobbin carriage being arranged independently of each other, second
Set bobbin carriage and third postposition bobbin carriage.
In a preferred embodiment of the present invention, enclosure interior is equipped at least two groups heat exchanger tube, and folding is connected on heat exchanger tube
Flowing plate answers the heat exchanger tube alternate communication of the multiple preposition bobbin carriages and multiple postposition bobbin carriages and enclosure interior in lumen case.
In a preferred embodiment of the present invention, shell is equipped with shell-side fluid import and shell side fluid outlet, multiple lumen
Case is equipped with tube side fluid import and tube side fluid exports.
In a preferred embodiment of the present invention, it when the import of fluid is set on multiple lumen case, is equipped on multiple lumen case
Dispenser.
In a preferred embodiment of the present invention, it is additionally provided with tube side fluid inlet bobbin carriage A on multiple lumen case, tube side fluid enters
Mouth bobbin carriage B and tube side fluid export bobbin carriage,
Fluid enters multiple lumen case by tube side fluid import, forms two fluids by dispenser, then separately flows into fluid
Entrance bobbin carriage A and fluid inlet bobbin carriage B exports bobbin carriage after alternately turning back in multiple lumen case and heat exchanger tube from tube side fluid
Middle outflow.
In a preferred embodiment of the present invention, heat exchanger include the U-shaped tubing heat exchanger being made of multiple lumen case,
Fixed tube sheet type heat exchanger, floating head type heat exchanger, stuffing box type heat exchanger or kettle type reboiler.
In a preferred embodiment of the present invention, heat exchanger includes the U-shaped tubing heat exchanger being made of multiple lumen case,
Intersect at tube sheet close to the heat exchanger tube of area of diaphragm or horizontally disposed.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of biflow path pipe shell-type is provided
The heat-exchange method of heat exchanger,
Fluid enters inside multiple lumen case, is split at least two fluids, then uniformly flows into two or more sets heat exchanger tubes,
It is entered back into after being exchanged heat inside multiple lumen case, then fluid flows to two or more sets heat exchanger tubes from multiple lumen case again, past
It returns and repeatedly realizes heat exchange, two fluids alternately enters preposition bobbin carriage in the process and postposition bobbin carriage is turned back.
The beneficial effects of the invention are as follows：Biflow path pipe shell-type exchangers of the present invention and heat-exchange method can improve medium flow field
Speed avoids medium from generating gas-liquid lamination when bobbin carriage is flowed and turned to and causes heat exchanger tube utilization rate low, efficiently solves
Exchange heat uneven problem, improves the coefficient of heat transfer of heat exchanger.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is the structural schematic diagram of one preferred embodiment of biflow path pipe shell-type exchangers of the present invention；
Fig. 2 a are the structural schematic diagrams of multiple lumen case in biflow path pipe shell-type exchangers shown in Fig. 1；
Fig. 2 b are the A-A direction views of Fig. 2 a；
Fig. 2 c are the B-B direction views of Fig. 2 a；
Fig. 2 d are the C-C direction views of Fig. 2 b；
Fig. 3 is the structural schematic diagram of gasket in biflow path pipe shell-type exchangers shown in Fig. 1；
Fig. 4 a are that A runners flow to definition graph in bobbin carriage in biflow path pipe shell-type exchangers shown in Fig. 1；
Fig. 4 b are that A runners flow to definition graph in being restrained in biflow path pipe shell-type exchangers shown in Fig. 1；
Fig. 5 a are that B runners flow to definition graph in bobbin carriage in biflow path pipe shell-type exchangers shown in Fig. 1；
Fig. 5 b are that B runners flow to definition graph in being restrained in biflow path pipe shell-type exchangers shown in Fig. 1；
Fig. 6 a are that bobbin carriage inner flow passage flows to definition graph in dual channel u-tube heat heat exchanger；
Fig. 6 b are to restrain inner flow passage in dual channel u-tube heat heat exchanger to flow to definition graph；
The label of each component is as follows in attached drawing：1, tube side fluid import, 2, tube side fluid outlet, 3-0, multiple lumen case, 3-1, point
Liquid device, 3-2, tube side fluid export bobbin carriage, 3-3, fluid inlet bobbin carriage A, 3-4, fluid inlet bobbin carriage B, 3-5, the first preposition pipe
Case, 3-6, the second preposition bobbin carriage, the preposition bobbin carriage of 3-7, third, 3-8, the first postposition bobbin carriage, 3-9, the second postposition bobbin carriage, 3-10,
Third postposition bobbin carriage, 4, gasket, 5, tube sheet, 6, shell side fluid outlet, 7, shell, 8, tube bank,
The ends a of 8-1a, pipe group 8-1,8-1b, pipe group 8-1 the ends b,
The ends a of 8-2a, pipe group 8-2,8-2b, pipe group 8-2 the ends b,
The ends a of 8-3a, pipe group 8-3,8-3b, pipe group 8-3 the ends b,
The ends a of 8-4a, pipe group 8-4,8-4b, pipe group 8-4 the ends b,
The ends a of 8-5a, pipe group 8-5,8-5b, pipe group 8-5 the ends b,
The ends a of 8-6a, pipe group 8-6,8-6b, pipe group 8-6 the ends b,
The ends a of 8-7a, pipe group 8-7,8-7b, pipe group 8-7 the ends b,
The ends a of 8-8a, pipe group 8-8,8-8b, pipe group 8-8 the ends b,
9, baffle plate, 10, shell-side fluid import；
It is the pipe group # explanation of u shape pipe in pipes below
The ends a of 8-1 ' a, pipe group 8-1 ', 8-1 ' b, pipe group 8-1 ' the ends b,
The ends a of 8-2 ' a, pipe group 8-2 ', 8-2 ' b, pipe group 8-2 ' the ends b,
The ends a of 8-3 ' a, pipe group 8-3 ', 8-3 ' b, pipe group 8-3 ' the ends b,
The ends a of 8-4 ' a, pipe group 8-4 ', 8-4 ' b, pipe group 8-4 ' the ends b,
The ends a of 8-5 ' a, pipe group 8-5 ', 8-5 ' b, pipe group 8-5 ' the ends b,
The ends a of 8-6 ' a, pipe group 8-6 ', 8-6 ' b, pipe group 8-6 ' the ends b,
The ends a of 8-7 ' a, pipe group 8-7 ', 8-7 ' b, pipe group 8-7 ' the ends b,
The ends a of 8-8 ' a, pipe group 8-8 ', 8-8 ' b, pipe group 8-8 ' the ends b.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
It please refers to Fig.1 to Fig. 6, the embodiment of the present invention includes：
Embodiment one
A kind of biflow path pipe shell-type exchangers, including：Shell 7,7 end of shell are equipped with multiple lumen case 3-0 and tube sheet 5, multiple chamber
Bobbin carriage 3-0 is fixed on tube sheet 5, and multiple realized by gasket 4 between lumen case 3-0 and tube sheet 5 seals.
Shell 7 is internally provided with heat exchanger tube 8, is equipped with preposition bobbin carriage and postposition bobbin carriage in multiple lumen case 3-0, preposition bobbin carriage is with after
Bobbin carriage is set to be made of one or more relatively independent cavitys respectively.
Wherein preposition bobbin carriage forms relatively independent cavity by multiple lumen case 3-0, gasket 4 and tube sheet 5, and postposition bobbin carriage is opposite
It is independently placed in inside multiple lumen case 3-0.
Shell 7 is internally provided with two or more sets heat exchanger tubes 8, and baffle plate 9, preposition bobbin carriage and postposition are connected on heat exchanger tube 8
Bobbin carriage is communicated with the heat exchanger tube 8 inside shell 7, and the relatively independent runner of formation at least two is round-trip for realizing fluid.
Further, preposition bobbin carriage includes at least three relatively independent cavitys, before forming first be arranged independently of each other
Set bobbin carriage 3-5, the second preposition bobbin carriage 3-6 and the preposition bobbin carriage 3-7 of third.
Postposition bobbin carriage includes at least three relatively independent cavitys, formed be arranged independently of each other the first postposition bobbin carriage 3-8,
Second postposition bobbin carriage 3-9 and third postposition bobbin carriage 3-10.
Multiple preposition bobbin carriages and multiple postposition bobbin carriages in multiple lumen case 3-0 replace with the heat exchanger tube 8 inside shell 7 to be connected
It is logical.
Shell 7 is equipped with shell-side fluid import 6 and shell side fluid outlet 10, multiple lumen case 3-0 be equipped with tube side fluid into
Mouth 1 and tube side fluid outlet 2.When the import of fluid is set on multiple lumen case 3-0, dispenser is equipped on multiple lumen case 3-0
3-1。
Heat exchanger includes U-shaped tubing heat exchanger, fixed tube sheet type heat exchanger, the floating head type being made of multiple lumen case
In heat exchanger, stuffing box type heat exchanger or kettle type reboiler.
Fluid inlet is arranged when on multiple lumen case 3-0, and multiple lumen case 3-0 is equipped with dispenser 3-1, but in fixed tube sheet
Formula heat exchanger, floating head type heat exchanger, this both ends of stuffing box type heat exchanger have in the equipment of bobbin carriage, if both sides are set
When setting multiple lumen case 3-0, wherein dispenser 3-1 is arranged in side, and the other side does not just need setting dispenser 3-1.
Heat exchanger includes the U-shaped tubing heat exchanger being made of multiple lumen case 3-0, close to the heat exchanger tube 8 of area of diaphragm
Intersect at tube sheet 5 or horizontally disposed.
It is additionally provided with tube side fluid inlet bobbin carriage A 3-3, tube side fluid inlet bobbin carriage B 3-4 and tube side on multiple lumen case 3-0
Fluid outlet bobbin carriage 3-2, fluid enter multiple lumen case 3-0 by tube side fluid import 1, and two plumes are formed by dispenser 3-1
Then body separately flows into fluid inlet bobbin carriage A 3-3 and fluid inlet bobbin carriage B 3-4, in multiple lumen case 3-0 and heat exchanger tube 8
It is flowed out from tube side fluid outlet bobbin carriage 3-2 after alternately turning back.
The heat-exchange method of above-mentioned biflow path pipe shell-type exchangers, includes the following steps：
Fluid enters inside multiple lumen case 3-0, and at least two fluids is split by dispenser 3-1, then uniformly flows into two
It in group or multigroup heat exchanger tube 8, is entered back into after being exchanged heat inside multiple lumen case 3-0, then fluid is again from multiple lumen case 3-0
Two or more sets heat exchanger tubes 8 are flowed to, round-trip repeatedly to realize heat exchange, two fluids alternately enters preposition bobbin carriage with after in the process
Bobbin carriage is set to turn back.
A kind of heat transfer process of biflow path pipe shell-type exchangers：
As a result of multiple lumen case 3-0, two plume roads, respectively runner A and runner are formed in the tube side of heat exchanger 8
The specific fluid path of B, two plume roads is：
The circulating pathway of runner A：Fluid flows to the ends a of pipe group 8-1 from fluid inlet bobbin carriage A 3-3, is flowed from the ends b of pipe group 8-1
Go out to enter in the first preposition bobbin carriage 3-5, the ends b for flowing to pipe group 8-2 is turned in the first preposition bobbin carriage 3-5, by pipe group 8-2
A sections exit into the second postposition bobbin carriage 3-9, fluid is to turning to a for flowing to pipe group 8-3 in the second postposition bobbin carriage 3-9
End, exits into from the ends b of pipe group 8-3 into the preposition bobbin carriage 3-7 of third, fluid turns to flow direction in the preposition bobbin carriage 3-7 of third
The ends b of pipe group 8-4 exit into tube side fluid outlet bobbin carriage 3-2 from the ends a of pipe group 8-4, bobbin carriage are exported from tube side fluid
It is flowed out in 3-2；
The circulating pathway of runner B：Fluid flows to the ends a of pipe group 8-5 from fluid inlet bobbin carriage B 3-4, is flowed from the ends b of pipe group 8-5
Go out to enter in the first postposition bobbin carriage 3-8, the ends b for flowing to pipe group 8-6 are turned in the first postposition bobbin carriage 3-8, then by pipe
The ends a of group 8-6 are exited into the second preposition bobbin carriage 3-6, and fluid turns in the second preposition bobbin carriage 3-6 and flows to pipe group 8-7
The ends a, exited into from the ends b of pipe group 8-7 into third postposition bobbin carriage 3-10, fluid turns in third postposition bobbin carriage 3-10
The ends b for flowing to pipe group 8-8 exit into tube side fluid outlet bobbin carriage 3-2 from the ends a of pipe group 8-8, are exported from tube side fluid
It is flowed out in bobbin carriage 3-2.
Embodiment two
As shown in fig. 6, a kind of dual channel u shapes pipe shell-and-tube exchanger, including the multiple lumen case 3-0 in embodiment one, at this
U shapes heat exchanger tube in embodiment near line A-A can increase the bending radius of u shape pipes in this way with arranged crosswise, prevent from being bent
Radius is too small to be difficult to manufacture.
A kind of heat-exchange method of dual channel u shapes pipe shell-and-tube exchanger,
As a result of multiple lumen case 3-0, it is formed two plume roads in the tube side that exchanges heat, respectively runner A and runner B, two
The specific fluid path in plume road is：
The circulation style of two fluids is that respectively have a branch pipe to flow to another party in runner A and runner B at this time, in multiple lumen case 3-0
In there is confluence, then shunt again, final fluid is after heat absorption is evaporated from tube side fluid outlet bobbin carriage 3-2 outflow.
Biflow path pipe shell-type exchangers of the present invention and the advantageous effect of heat-exchange method are：
Heat exchange efficiency is high, good reliability, and simple in structure, convenient for making and installing；
Refrigerant is uniformly distributed in each tube side of heat exchanger, improves refrigerant flow rates；
It avoids medium from generating gas-liquid lamination when bobbin carriage is flowed and turned to and causes heat exchanger tube utilization rate low, efficiently solve and change
Hot uneven problem, improves the coefficient of heat transfer of heat exchanger, the heat exchange property of heat exchanger significantly increases.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of biflow path pipe shell-type exchangers, which is characterized in that including：Shell, shell end are equipped with multiple lumen case, multiple chamber
Preposition bobbin carriage and postposition bobbin carriage are equipped in bobbin carriage, preposition bobbin carriage and postposition bobbin carriage are respectively by one or more relatively independent cavitys
Composition,
Preposition bobbin carriage and postposition bobbin carriage are communicated with the heat exchanger tube of enclosure interior, form at least two relatively independent runners for real
Existing fluid is round-trip.
2. biflow path pipe shell-type exchangers according to claim 1, which is characterized in that shell end is additionally provided with tube sheet,
Multiple lumen case is fixed on tube sheet, and multiple realized by gasket between lumen case and tube sheet seals, and preposition bobbin carriage is by multiple lumen case, pad
Piece and tube sheet form relatively independent cavity, and postposition bobbin carriage is relatively independent to be placed in inside multiple lumen case.
3. biflow path pipe shell-type exchangers according to claim 2, which is characterized in that preposition bobbin carriage includes at least three
Relatively independent cavity forms the first preposition bobbin carriage, the second preposition bobbin carriage and the preposition bobbin carriage of third being arranged independently of each other；
Postposition bobbin carriage includes at least three relatively independent cavitys, after forming the first postposition bobbin carriage being arranged independently of each other, second
Set bobbin carriage and third postposition bobbin carriage.
4. biflow path pipe shell-type exchangers according to claim 3, which is characterized in that enclosure interior is equipped at least two groups
Heat exchanger tube is connected with baffle plate on heat exchanger tube, the multiple preposition bobbin carriages and multiple postposition bobbin carriages in multiple lumen case and enclosure interior
Heat exchanger tube alternate communication.
5. biflow path pipe shell-type exchangers according to claim 1, which is characterized in that shell be equipped with shell-side fluid into
Mouth and shell side fluid outlet, multiple lumen case is equipped with tube side fluid import and tube side fluid exports.
6. biflow path pipe shell-type exchangers according to claim 5, which is characterized in that the import of fluid is set to multiple lumen
When on case, dispenser is equipped on multiple lumen case.
7. biflow path pipe shell-type exchangers according to claim 6, which is characterized in that be additionally provided with tube side on multiple lumen case
Fluid inlet bobbin carriage A, tube side fluid inlet bobbin carriage B and tube side fluid export bobbin carriage,
Fluid enters multiple lumen case by tube side fluid import, forms two fluids by dispenser, then separately flows into fluid
Entrance bobbin carriage A and fluid inlet bobbin carriage B exports bobbin carriage after alternately turning back in multiple lumen case and heat exchanger tube from tube side fluid
Middle outflow.
8. biflow path pipe shell-type exchangers according to claim 1, which is characterized in that heat exchanger includes by multiple lumen
Case constitute U-shaped tubing heat exchanger, fixed tube sheet type heat exchanger, floating head type heat exchanger, stuffing box type heat exchanger or
Kettle type reboiler.
9. biflow path pipe shell-type exchangers according to claim 8, which is characterized in that heat exchanger includes by multiple lumen
The U-shaped tubing heat exchanger that case is constituted intersects close to the heat exchanger tube of area of diaphragm at tube sheet or horizontally disposed.
10. a kind of heat-exchange method of such as claim 1 ~ 9 any one of them biflow path pipe shell-type exchangers, feature exist
In,
Fluid enters inside multiple lumen case, is split at least two fluids, then uniformly flows into two or more sets heat exchanger tubes,
It is entered back into after being exchanged heat inside multiple lumen case, then fluid flows to two or more sets heat exchanger tubes from multiple lumen case again, past
It returns and repeatedly realizes heat exchange, two fluids alternately enters preposition bobbin carriage in the process and postposition bobbin carriage is turned back.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173429.9A CN108332584A (en) | 2018-03-02 | 2018-03-02 | Biflow path pipe shell-type exchangers and heat-exchange method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173429.9A CN108332584A (en) | 2018-03-02 | 2018-03-02 | Biflow path pipe shell-type exchangers and heat-exchange method |
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| CN201757613U (en) * | 2010-05-26 | 2011-03-09 | 中国石油化工集团公司 | Horizontal U-shaped tube heat exchanger |
| CN103954153A (en) * | 2014-05-14 | 2014-07-30 | 山东北辰机电设备股份有限公司 | Multipath pure countercurrent shell-and-tube type heat exchanger |
| CN104913678A (en) * | 2015-06-24 | 2015-09-16 | 台州龙江化工机械科技有限公司 | Uniform liquid distributor of pipe shell dry-type evaporator |
| CN106895611A (en) * | 2015-12-18 | 2017-06-27 | 清华大学 | A kind of distribution method of dry evaporator and refrigerant |
| CN106940143A (en) * | 2017-05-03 | 2017-07-11 | 佛山神威热交换器有限公司 | A kind of shell-and-tube heat exchanger of adjustable tube side |
| CN208075628U (en) * | 2018-03-02 | 2018-11-09 | 无锡市同力空调设备有限公司 | Biflow path pipe shell-type exchangers |
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Address after: 214000 Yuqi Street Yurong village, Huishan District, Wuxi City, Jiangsu Province Applicant after: Jiangsu Tongli Air Conditioning Equipment Co.,Ltd. Address before: 214183 Yuqi Street Yurong village, Huishan District, Wuxi City, Jiangsu Province Applicant before: WUXI TONGLI AIR-CONDITIONING EQUIPMENT Co.,Ltd. |
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Application publication date: 20180727 |