CN205669954U - Shell-and-tube heat exchanger and liquid separating device thereof - Google Patents
Shell-and-tube heat exchanger and liquid separating device thereof Download PDFInfo
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- CN205669954U CN205669954U CN201620523831.1U CN201620523831U CN205669954U CN 205669954 U CN205669954 U CN 205669954U CN 201620523831 U CN201620523831 U CN 201620523831U CN 205669954 U CN205669954 U CN 205669954U
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- tube
- heat exchanger
- liquid
- shell
- distributing device
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- 239000007788 liquid Substances 0.000 title claims abstract description 161
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 36
- 238000000926 separation method Methods 0.000 abstract 5
- 230000000694 effects Effects 0.000 description 6
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a shell and tube heat exchanger and divide liquid device thereof divides the liquid device to be used for setting up in feed liquor chamber (5) of shell and tube heat exchanger, divides the liquid device to include: the liquid separation plate (1) is used for covering the pipe orifice of the heat exchange pipe (7); the liquid separation plate is arranged on the liquid separation plate (1) and is used for liquid separation ports (2) which are arranged in one-to-one correspondence with the heat exchange tubes (7) of the liquid inlet cavity (5), and the flow area of the liquid separation ports (2) is smaller than that of the heat exchange tubes (7). The utility model provides a divide liquid device because the flow area who divides the liquid mouth is less than the flow area of heat exchange tube, and fluid resistance is great when the fluid is through dividing the liquid mouth for fluid is at feed liquor intracavity evenly distributed, and the fluid is at feed liquor chamber's space everywhere pressure fully balanced, makes fluid evenly distributed in every heat exchange tube of shell and tube type heat exchanger. Through the arrangement, the heat exchange capacity of the heat exchange tube is fully utilized, and the heat exchange efficiency of the shell-and-tube heat exchanger is improved.
Description
Technical field
This utility model relates to technical field of heat exchange equipment, particularly to a kind of shell-and-tube heat exchanger and liquid distributing device thereof.
Background technology
Under advocating energy-conserving and environment-protective theory, there is the highest power conservation requirement in country to wasted work product, to air-conditioning products
The standard-required of the coefficient of performance is more and more higher.
Shell-and-tube heat exchanger is widely used in air-conditioning equipment.As a example by dry evaporator in shell-and-tube heat exchanger, system
The fluid that cryogen is formed enters in the admission chamber that shell-and-tube heat exchanger front tube box-shaped becomes, and enters back into the heat exchange arranged on tube sheet
Pipe.Owing to fluid enters admission chamber through feed tube, therefore, near the heat exchange tube of feed tube in fluid preferentially enters admission chamber
Mouthful, and the fluid away from the heat exchanger tube mouth of pipe of feed tube is less so that fluid cannot be uniformly distributed in shell-and-tube heat exchanger
In every heat exchanger tube, have impact on heat exchange efficiency.
Therefore, how to make fluid be uniformly distributed, improve heat exchange efficiency, be those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, this utility model provides a kind of liquid distributing device, so that fluid is uniformly distributed, improves heat exchange efficiency.
The invention also discloses a kind of shell-and-tube heat exchanger.
For achieving the above object, the following technical scheme of this utility model offer:
From above-mentioned technical scheme it can be seen that a kind of liquid distributing device of this utility model offer, it is used for being arranged on shell
In the admission chamber of formula heat exchanger, including:
For covering the liquid separatnig plate of the heat exchanger tube mouth of pipe at described admission chamber;
It is arranged on described liquid separatnig plate, for the liquid separating port arranged with described heat exchanger tube one_to_one corresponding, described liquid separating port
Circulation area is less than the circulation area of described heat exchanger tube.
Preferably, in above-mentioned liquid distributing device, also include being arranged in described liquid separating port, for stretching into dividing of described heat exchanger tube
Liquid pipe.
Preferably, in above-mentioned liquid distributing device, described separating tube is copper pipe.
Preferably, in above-mentioned liquid distributing device, the outer surface of described liquid separatnig plate is stretched out in the end of described separating tube;Described separatory
The outer surface of plate is the one side of its most described heat exchanger tube.
Preferably, in above-mentioned liquid distributing device, described separating tube seals and is arranged in described liquid separating port.
Preferably, in above-mentioned liquid distributing device, described separating tube is perpendicular to described liquid separatnig plate.
Preferably, in above-mentioned liquid distributing device, the outer wall of described separating tube is for contacting with the inwall of described heat exchanger tube
Contact surface.
Preferably, in above-mentioned liquid distributing device, described liquid separatnig plate is provided with bolt fixing hole.
This utility model additionally provides a kind of shell-and-tube heat exchanger, including the liquid distributing device as described in above-mentioned any one.
Preferably, in above-mentioned shell-and-tube heat exchanger, the quantity of described liquid distributing device is one.
Preferably, in above-mentioned shell-and-tube heat exchanger, the liquid separatnig plate of described liquid distributing device is covered in described shell-and-tube heat exchanger
Admission chamber whole heat exchanger tube mouths of pipe on.
Preferably, in above-mentioned shell-and-tube heat exchanger, the quantity of described liquid distributing device is multiple.
Preferably, in above-mentioned shell-and-tube heat exchanger, the liquid separatnig plate formation liquid separatnig plate group of multiple described liquid distributing devices, described point
Liquid plate group covers whole heat exchanger tube mouths of pipe of the admission chamber of described shell-and-tube heat exchanger.
Preferably, in above-mentioned shell-and-tube heat exchanger, the liquid separating port of described liquid distributing device and described heat exchanger tube are circular hole.
Preferably, in above-mentioned shell-and-tube heat exchanger, described liquid separating port and the dead in line of corresponding described heat exchanger tube.
This utility model provide liquid distributing device, in the admission chamber being installed on shell-and-tube heat exchanger after, due to liquid separatnig plate
Covering on the mouth of pipe of the heat exchanger tube of admission chamber, fluid is entered after admission chamber by the feed tube of shell-and-tube heat exchanger, need through
Liquid separating port on liquid separatnig plate, enters back into heat exchanger tube.Circulation area due to liquid separating port is less than the circulation area of heat exchanger tube, at fluid
Relatively big through liquid separating port fluid resistance, therefore so that fluid is uniformly distributed in admission chamber, fluid is each in the space of admission chamber
The pressure filling balance-dividing at place so that fluid is uniformly distributed in every heat exchanger tube of shell-and-tube heat exchanger.By above-mentioned setting, fully
Make use of the exchange capability of heat of heat exchanger tube, improve the heat exchange efficiency of shell-and-tube heat exchanger.
This utility model additionally provides a kind of shell-and-tube heat exchanger with above-mentioned liquid distributing device.Due to above-mentioned liquid distributing device
Having above-mentioned technique effect, the shell-and-tube heat exchanger with above-mentioned liquid distributing device also should have same technique effect, at this not
It is discussed in detail again.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
First structural representation of the liquid distributing device that Fig. 1 provides for this utility model embodiment;
Second structural representation of the liquid distributing device that Fig. 2 provides for this utility model embodiment;
The structural representation of the shell-and-tube heat exchanger that Fig. 3 provides for this utility model embodiment.
Detailed description of the invention
The utility model discloses a kind of liquid distributing device, so that fluid is uniformly distributed, improve heat exchange efficiency.This utility model
Also disclose a kind of shell-and-tube heat exchanger.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
As shown in Figures 1 and 3, a kind of feed liquor for being arranged on shell-and-tube heat exchanger that this utility model embodiment provides
Liquid distributing device in chamber 5, including liquid separatnig plate 1 and the liquid separating port 2 that is arranged on liquid separatnig plate 1.Liquid distributing device is being arranged on shell
After in the admission chamber 5 of formula heat exchanger, liquid separatnig plate 1 covers on the mouth of pipe of the heat exchanger tube 7 of admission chamber 5;Liquid separating port 2 and heat exchanger tube 7
One_to_one corresponding is arranged, i.e. a liquid separating port 2 is only correspondingly arranged with a heat exchanger tube 7, and, a heat exchanger tube 7 is at most only with one
Individual liquid separating port 2 is correspondingly arranged.Further, the circulation area of liquid separating port 2 is less than the circulation area of heat exchanger tube 7.
This utility model embodiment provide liquid distributing device, in the admission chamber 5 being installed on shell-and-tube heat exchanger after, due to
Liquid separatnig plate 1 covers on the mouth of pipe of the heat exchanger tube 7 of admission chamber 5, and fluid is entered admission chamber 5 by the feed tube 8 of shell-and-tube heat exchanger
After, need the liquid separating port 2 on liquid separatnig plate 1, enter back into heat exchanger tube 7.Owing to the circulation area of liquid separating port 2 is less than heat exchanger tube 7
Circulation area, when fluid is through liquid separating port 2, fluid resistance is relatively big, therefore so that fluid is uniformly distributed in admission chamber 5,
Fluid is pressure filling balance-dividing everywhere in the space of admission chamber 5 so that be uniformly distributed in shell-and-tube heat exchanger every changes fluid
Heat pipe 7.By above-mentioned setting, take full advantage of the exchange capability of heat of heat exchanger tube 7, improve the heat exchange efficiency of shell-and-tube heat exchanger.
It is understood that liquid separatnig plate 1 covers on the mouth of pipe of the heat exchanger tube 7 of admission chamber 5 so that liquid separatnig plate 1 hides and changes
The mouth of pipe of heat pipe 7, all or part of of fluid cannot flow directly into heat exchanger tube 7, needs the liquid separating port 2 on liquid separatnig plate 1.
The inlet that the mouth of pipe is heat exchanger tube 7 of above-mentioned heat exchanger tube 7.The circulation area of liquid separating port 2 is the cross-sectional area of its inner ring, heat exchanger tube
The cross-sectional area of its endoporus of circulation area of 7.
Further, liquid distributing device also includes the separating tube 3 being arranged in liquid separating port 2.Liquid distributing device is installed on into
After in sap cavity 5, it is internal that separating tube 3 stretches into heat exchanger tube 7.By arranging separating tube 3, further increase fluid through liquid distributing device
Fluid resistance time (separating tube 3 in liquid separating port 2), further increases fluid distrbution in the uniformity of every heat exchanger tube 7.
Preferably, in order to reduce the impact that separating tube 3 stretches into the part heat exchanging ability of heat exchanger tube 7, preferably by separating tube 3
It is set to the copper pipe that heat exchange property is higher.
In order to reduce production cost, Q235A material can be used to make liquid separatnig plate 1.
In the present embodiment, the size of separating tube 3 is φ 4.5mm × φ 1.5mm × 40mm, i.e. the outer diameter of separating tube 3
For 4.5mm, inner diameter is 1.5mm, a length of 40mm.The thickness of liquid separatnig plate 1 is 6mm.It can also be provided that other sizes, tool
Body size is depending on actual demand.
As in figure 2 it is shown, the outer surface of liquid separatnig plate 1 is stretched out in the end of separating tube 3;The outer surface of liquid separatnig plate 1 is that it changes dorsad
The one side of heat pipe 7.By above-mentioned setting so that fluid cannot flow in separating tube 3 along the outer surface of liquid separatnig plate 1, needs to make stream
Body just flows into separating tube 3 after being uniformly distributed in admission chamber 5.Improve fluid further and enter the uniformity coefficient of every heat exchanger tube 7.
Preferably, separating tube 3 seals and is arranged in liquid separating port 2.That is, fluid is only capable of flowing into heat exchanger tube 7 by separating tube 3
In, improve the effect of convection cell drain.Can also make to there is gap between the outer wall of separating tube 3 and the inwall of liquid separating port 2, stream
Body is entered in heat exchanger tube 7 by gap and separating tube 3 homomergic flow.
In the present embodiment, separating tube 3 is connected with liquid separatnig plate 1 by welding, it is also possible to connected by interference fit or screw thread
The mode such as connect is arranged in liquid separating port 2, reaches the connection effect of separating tube 3 and liquid separatnig plate 1.
In the liquid distributing device that this utility model embodiment provides, separating tube 3 is perpendicular to liquid separatnig plate 1.Due to pipe shell type heat exchange
The tube sheet 6 of device is mutually perpendicular to heat exchanger tube 7, and the separating tube 3 of liquid distributing device is perpendicular to liquid separatnig plate 1, in installation process, in order to
By parallel with tube sheet 6 for liquid separatnig plate 1 laminating, it is simple to connect.Separating tube 3 can also be distributed in certain acute angle with liquid separatnig plate 1, when
So, separating tube 3 is parallel to each other, in installation process, and liquid separatnig plate 1 and tube sheet 6 setting in a certain angle.
The outer wall of separating tube 3 is the contact surface for contacting with the inwall of heat exchanger tube 7.That is, liquid distributing device is installed on pipe
After in the admission chamber 5 of shell heat exchanger, separating tube 3 inserts in heat exchanger tube 7, and, the outer wall of separating tube 3 is interior with heat exchanger tube 7
Wall contacts, in order to support mutually between separating tube 3 and heat exchanger tube 7, and the structure further increasing shell-and-tube heat exchanger is steady
Qualitative.
Bolt fixing hole 4 it is provided with on liquid separatnig plate 1.By arranging bolt so that it is with shell-and-tube after bolt fixing hole 4
The tube sheet 6 of heat exchanger connects, it is achieved that the installation of liquid distributing device is fixed.It is easy to maintenance and the maintenance of liquid distributing device.Can also lead to
Cross and the mode such as weld or snap connection and complete the installation of liquid distributing device and fix, and all within protection domain.
This utility model embodiment additionally provides a kind of shell-and-tube heat exchanger, including the most above-mentioned any one liquid distributing device A.As
Shown in Fig. 3, owing to above-mentioned liquid distributing device A has above-mentioned technique effect, the shell-and-tube heat exchanger with above-mentioned liquid distributing device A also should
There is same technique effect, tire out the most one by one at this and state.
As it is shown on figure 3, the quantity of the liquid distributing device A in the present embodiment is one.
Preferably, the liquid separatnig plate 1 of liquid distributing device A is covered in whole heat exchanger tubes 7 mouth of pipe of admission chamber 5 of shell-and-tube heat exchanger
On.That is, fluid is required to could be flowed in heat exchanger tube 7 by liquid distributing device A.Liquid separatnig plate 1 can also be covered near shell
On part heat exchanger tube 7 mouth of pipe of the feed tube 8 of formula heat exchanger, and the pipe of heat exchanger tube 7 of the feed tube 8 away from shell-and-tube heat exchanger
Mouth does not the most cover liquid separatnig plate 1, and the fluid at this can be directly entered heat exchanger tube 7.
In another kind of embodiment, the quantity of liquid distributing device A is multiple.
Preferably, the liquid separatnig plate 1 of multiple liquid distributing device A forms liquid separatnig plate group, and liquid separatnig plate group covers shell-and-tube heat exchanger
The liquid separatnig plate group of whole heat exchanger tubes 7 mouth of pipe of admission chamber 5.By arranging multiple liquid distributing device A so that it is be installed on pipe shell type heat exchange
After in the admission chamber 5 of device, cover whole heat exchanger tubes 7 mouth of pipe of the admission chamber 5 of shell-and-tube heat exchanger.
Wherein, multiple liquid separatnig plates 1 can be connected with each other, it is also possible to separate.
Similarly, liquid separatnig plate group can also be covered in part heat exchanger tube 7 mouth of pipe of the feed tube 8 near shell-and-tube heat exchanger
On, the mouth of pipe away from the heat exchanger tube 7 of the feed tube 8 of shell-and-tube heat exchanger does not the most cover liquid separatnig plate 1, and the fluid at this can be straight
Tap into into heat exchanger tube 7.
Preferably, the liquid separating port 2 of liquid distributing device A is circular hole with heat exchanger tube 7.Liquid separating port 2 can also be set to other
The hole of structure, such as square hole or elliptical aperture etc..
Further, liquid separating port 2 and the dead in line of corresponding heat exchanger tube 7, i.e. liquid separating port 2 is with corresponding
Heat exchanger tube 7 is correspondingly arranged in concentric circular.By above-mentioned setting so that the fluid flowing into heat exchanger tube 7 is flowed to serve by liquid separating port 2
Guiding function, decreases kinetic energy rejection.Be provided with in liquid separating port 2 in the embodiment of separating tube 3, also ensure that separating tube 3 with
Heat exchanger tube 7 is arranged in concentric circular.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this practicality new
Type.Multiple amendment to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (15)
1. a liquid distributing device, in the admission chamber (5) being arranged on shell-and-tube heat exchanger, it is characterised in that including:
For covering the liquid separatnig plate (1) of heat exchanger tube (7) mouth of pipe in described admission chamber (5);
It is arranged on described liquid separatnig plate (1), for the liquid separating port (2) arranged with described heat exchanger tube (7) one_to_one corresponding, described separatory
The circulation area of mouth (2) is less than the circulation area of described heat exchanger tube (7).
2. liquid distributing device as claimed in claim 1, it is characterised in that also include being arranged in described liquid separating port (2), be used for stretching
Enter the separating tube (3) of described heat exchanger tube (7).
3. liquid distributing device as claimed in claim 2, it is characterised in that described separating tube (3) is copper pipe.
4. liquid distributing device as claimed in claim 2, it is characterised in that described liquid separatnig plate is stretched out in the end of described separating tube (3)
(1) outer surface;The outer surface of described liquid separatnig plate (1) is the one side of its most described heat exchanger tube (7).
5. liquid distributing device as claimed in claim 2, it is characterised in that described separating tube (3) seals and is arranged at described liquid separating port
(2) in.
6. liquid distributing device as claimed in claim 2, it is characterised in that described separating tube (3) is perpendicular to described liquid separatnig plate (1).
7. liquid distributing device as claimed in claim 2, it is characterised in that the outer wall of described separating tube (3) is for for changing with described
The contact surface that the inwall of heat pipe (7) contacts.
8. the liquid distributing device as described in any one of claim 1-7, it is characterised in that described liquid separatnig plate is provided with bolt on (1)
Fixing hole (4).
9. a shell-and-tube heat exchanger, it is characterised in that include the liquid distributing device (A) as described in any one of claim 1-8.
10. shell-and-tube heat exchanger as claimed in claim 9, it is characterised in that the quantity of described liquid distributing device (A) is.
11. shell-and-tube heat exchangers as claimed in claim 10, it is characterised in that the liquid separatnig plate (1) of described liquid distributing device (A) covers
On whole heat exchanger tubes (7) mouth of pipe of the admission chamber (5) being placed on described shell-and-tube heat exchanger.
12. shell-and-tube heat exchangers as claimed in claim 9, it is characterised in that the quantity of described liquid distributing device (A) is multiple.
13. shell-and-tube heat exchangers as claimed in claim 12, it is characterised in that the liquid separatnig plate of multiple described liquid distributing devices (A)
(1) forming liquid separatnig plate group, described liquid separatnig plate group covers whole heat exchanger tubes (7) pipe of the admission chamber (5) of described shell-and-tube heat exchanger
Mouthful.
14. shell-and-tube heat exchangers as described in any one of claim 9-13, it is characterised in that dividing of described liquid distributing device (A)
Liquid mouth (2) and described heat exchanger tube (7) are circular hole.
15. shell-and-tube heat exchangers as claimed in claim 14, it is characterised in that described liquid separating port (2) and corresponding institute
State the dead in line of heat exchanger tube (7).
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CN201620523831.1U CN205669954U (en) | 2016-06-01 | 2016-06-01 | Shell-and-tube heat exchanger and liquid separating device thereof |
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CN201620523831.1U CN205669954U (en) | 2016-06-01 | 2016-06-01 | Shell-and-tube heat exchanger and liquid separating device thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105890409A (en) * | 2016-06-01 | 2016-08-24 | 珠海格力电器股份有限公司 | Shell-and-tube heat exchanger and liquid separating device thereof |
-
2016
- 2016-06-01 CN CN201620523831.1U patent/CN205669954U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105890409A (en) * | 2016-06-01 | 2016-08-24 | 珠海格力电器股份有限公司 | Shell-and-tube heat exchanger and liquid separating device thereof |
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