CN108981426A - A kind of good antiscale property heat exchanger - Google Patents
A kind of good antiscale property heat exchanger Download PDFInfo
- Publication number
- CN108981426A CN108981426A CN201810687373.9A CN201810687373A CN108981426A CN 108981426 A CN108981426 A CN 108981426A CN 201810687373 A CN201810687373 A CN 201810687373A CN 108981426 A CN108981426 A CN 108981426A
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- CN
- China
- Prior art keywords
- heat exchanger
- straight
- bar
- good antiscale
- antiscale property
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1607—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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of good antiscale property heat exchanger, including shell, two pieces of tube sheets for being separately positioned on shell both ends, two two end sockets being detachably connected respectively with shell both ends；Several heat exchanger tubes are connected between two pieces of tube sheets；A driving cylinder is provided on the outside of one of end socket, the piston rod of the driving cylinder protrudes into corresponding end socket and is connected with one piece of connecting plate, straight-bar equal and one-to-one with number of heat exchange tubes is connected on the connecting plate, every straight-bar is respectively protruding into that corresponding root heat exchanger tube, and multiple baffles are provided on every straight-bar.The reciprocating movement of baffle destroys laminar flow layer of the water flow at heat transfer tube wall in good antiscale property heat exchanger provided by the invention, avoids the impurity in water and accumulates at heat transfer tube wall, improves the effect of good antiscale property.
Description
Technical field
The present invention relates to technical field of heat exchange equipment, in particular to a kind of good antiscale property heat exchanger.
Background technique
Tubular heat exchanger is for exchanging heat to two-phase fluid, when heat exchanger tube is used to pass through recirculated water, heat exchanger tube
Inner wall is easy fouling, so as to cause heat transfer effect reduction.In the prior art, mainly in heat exchanger tube pass through spring or other
The cleaning element with certain elasticity of bolt shape, when recirculated water passes through heat exchanger tube, drives the cleaning elements such as spring that front and back occurs
It is mobile, to strike off the dirt in heat transfer tube wall in real time, avoid the accumulation of dirt.It is done so that defect be mainly:
(1) cleaning element (such as: spring) constantly " strikes off " impurity in heat transfer tube wall by the interior wall friction with heat exchanger tube, this
Cause the frictional force between cleaning element and heat exchanger tube larger；(2) pressure that cleaning element passes through water flow completely drives, and works as hydraulic pressure
When relatively low, the elastic component in heat exchanger tube hardly happens movement, cannot play the role of good antiscale property.
As it can be seen that the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of good antiscale property heat exchangers, it is intended to
Solve the higher technical problem of pressure requirements of recirculated water in cleaning element exchange heat pipe in good antiscale property heat exchanger in the prior art.
In order to achieve the above object, this invention takes following technical schemes:
A kind of good antiscale property heat exchanger, including shell, two pieces of tube sheets for being separately positioned on shell both ends, two respectively with shell both ends
Two end sockets being detachably connected；Several heat exchanger tubes are connected between two pieces of tube sheets；One is provided on the outside of one of end socket
A driving cylinder, the piston rod of the driving cylinder protrude into corresponding end socket and are connected with one piece of connecting plate, connect on the connecting plate
It is connected to straight-bar equal and one-to-one with number of heat exchange tubes, every straight-bar is respectively protruding into that corresponding root heat exchanger tube, often
Multiple baffles are provided on root straight-bar.
In the good antiscale property heat exchanger, the connecting plate, which corresponds to, is respectively arranged with an internal thread hole at every straight-bar,
That one end that every straight-bar is correspondingly connected with plate is respectively arranged with external screw thread and is screwed into that corresponding threaded hole.
In the good antiscale property heat exchanger, every straight-bar along its length on be equally spaced several groups gear respectively
Piece is respectively arranged with 4 baffles in each group, and the angle of two baffles of arbitrary neighborhood is 90 degree in each group.
In the good antiscale property heat exchanger, each baffle is equal sized, and the end of each baffle is V-arrangement tip.
In the good antiscale property heat exchanger, is corresponded on every straight-bar and offer one and baffle root at each baffle respectively
The adaptable blind hole of shape, the root of each baffle is inserted into an interference fit respectively in that corresponding blind hole.
In the good antiscale property heat exchanger, every heat exchanger tube is carbon steel pipe, and each baffle is copper sheet.
In the good antiscale property heat exchanger, the piston rod and shell of the driving cylinder are coaxially disposed.
In the good antiscale property heat exchanger, there are two supports for the bottom setting of shell.
The utility model has the advantages that
The present invention provides a kind of good antiscale property heat exchangers, and compared with prior art, good antiscale property heat exchanger provided by the invention has master
Have following technical advantages: (1) friction in the present invention between baffle and the inner wall of heat exchanger tube is weaker, will not damage heat exchange
Pipe.(2) driven by external driving cylinder, it is ensured that straight-bar can normal movement, it is special not need to have the pressure of recirculated water
It is required that.(3) reciprocating movement of baffle destroys laminar flow layer of the water flow at heat transfer tube wall, and the impurity avoided in water is exchanging heat
It is accumulated inside pipe wall, improves the effect of good antiscale property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of good antiscale property heat exchanger provided by the invention.
Fig. 2 is the structural schematic diagram of tube sheet and heat exchanger tube in good antiscale property heat exchanger provided by the invention.
Fig. 3 is the structural schematic diagram of straight-bar and baffle in good antiscale property heat exchanger provided by the invention.
Fig. 4 is A-A cross-sectional view in Fig. 3 in good antiscale property heat exchanger provided by the invention.
Fig. 5 is the main view of connecting plate in good antiscale property heat exchanger provided by the invention.
Specific embodiment
The present invention provides a kind of good antiscale property heat exchanger, to keep the purpose of the present invention, technical solution and effect clearer, bright
Really, the present invention is described in more detail as follows in conjunction with drawings and embodiments.It should be appreciated that specific implementation described herein
Example is not intended to limit the present invention only to explain the present invention.
Fig. 1 to Fig. 5 is please referred to, the present invention provides a kind of good antiscale property heat exchanger.In order to make it easy to understand, dotted line is illustrated in Fig. 1
Property depicts the position of piston rod 31, connecting plate 4 and straight-bar 5, but can not observe directly these components from outside.Attached drawing
And the structural principle for explaining good antiscale property heat exchanger, it is not proportional to actual product.
The good antiscale property heat exchanger includes shell 1, two pieces of tube sheets 17 for being separately positioned on shell both ends, two respectively with shell
Two end sockets 21 and 22 that body both ends are detachably connected and (are illustrated as the connection of flange 19)；Several are connected between two pieces of tube sheets 17
Heat exchanger tube 18；A driving cylinder 3 is provided on the outside of one of end socket 21, the piston rod 31 of the driving cylinder protrudes into corresponding
In end socket 21 and it is connected with one piece of connecting plate 4, is connected on the connecting plate equal with 18 quantity of heat exchanger tube and one-to-one straight
Bar 5, every straight-bar are respectively protruding into that corresponding root heat exchanger tube, and multiple baffles 6 are provided on every straight-bar, each baffle
Length, which is subject to, guarantees that straight-bar and baffle can be smoothly inserted into corresponding heat exchanger tube.Normally, above-mentioned driving cylinder 3 is fixed on
In one cylinder mounting base 39, the cylinder mounting base is arranged on corresponding end socket 21.Cylinder piston rod and connecting plate are preferred
To be threadedly coupled, it may be assumed that be provided with threaded hole (not shown) in the middle part of connecting plate, the end of cylinder piston rod is equipped with external screw thread
(not shown) is simultaneously screwed into the threaded hole of connecting plate.In practical application, driving cylinder drives straight-bar to make straight reciprocating
When, the moving range of all blades on each straight-bar can cover the whole length of corresponding heat exchanger tube.
In practical application, the good antiscale property heat exchanger should also be provided with some adapter tubes, for example, end socket 21 is provided with into water
Adapter tube 811, another end socket 22 are provided with water outlet pipe 812；Entrance sleeve 821 is also correspondingly provided on shell and outlet connects
Pipe 822.In addition, some conventional components and setting (support plate of such as heat exchanger tube, baffle plate) for heat exchanger are not this hairs
Where bright inventive point, therefore attached drawing is not drawn into.
Further, for the ease of the quick connection of straight-bar and connecting plate, can be set as follows: the connecting plate 4 is right
It should be respectively arranged with an internal thread hole 401 at every straight-bar, that one end that every straight-bar is correspondingly connected with plate is respectively arranged with outer
Screw thread is simultaneously screwed into that corresponding threaded hole.That is, straight-bar is screwed into corresponding threaded hole, fast and easy when installation.
In practical application, connecting plate 4 is usually arranged as web plate, and guarantees that internal thread hole 401 and the mesh 400 of web plate are not done
It relates to.Setting is so that resistance when connecting plate moves back and forth in end socket by water is greatly decreased in this way.
Specifically, for the ease of processing and installation, every straight-bar 5 along its length on be equally spaced respectively it is several
Baffle is organized, is respectively arranged with 4 baffles 6 in each group, the angle of two baffles of arbitrary neighborhood is 90 degree in each group.
Further, each baffle size 6 is equal, and the end of each baffle is V-arrangement tip 61.The purpose being arranged in this way
It is to minimize the contact area of the inner wall of baffle end and heat exchanger tube, so that baffle is moved back and forth relative to heat transfer tube wall
Shi Gengjia is smooth.
Into one glass of ground, for the ease of the installation of baffle, corresponded on every straight-bar offered respectively at each baffle one with
The adaptable blind hole (not observing in figure) of the shape of baffle root, the root of each baffle is inserted in an interference fit respectively
Enter in that corresponding blind hole.
Further, every heat exchanger tube 18 is carbon steel pipe, and each baffle 6 is plastic sheet (such as hard PVC).It is arranged in this way
So that heat exchanger tube will not be worn when each baffle and heat exchanger tube phase mutual friction.Certainly, connecting plate and each straight-bar can also
To be made of plastics (such as hard PVC), that is, there is enough mechanical strengths, while reducing weight.
Preferably, the piston rod 31 of the driving cylinder and shell 1 are coaxially disposed.
In practical application, for the ease of the installation of the good antiscale property heat exchanger, there are two supports 90 for the bottom setting of shell.
In order to make it easy to understand, straight-bar described briefly below, connecting plate and the installation for driving cylinder: (1) setting each baffle 6 in advance
It sets on corresponding straight-bar 5；(2) driving cylinder 3 is mounted on end socket 21, the piston rod of cylinder is driven to be inserted into end socket simultaneously
It is connect with connecting plate, then each straight-bar 5 is screwed on connecting plate 4 in corresponding threaded hole by (3)；(4) pass through lifting equipment
Auxiliary, end socket 21 is sling, and each straight-bar is inserted into that corresponding root heat exchanger tube；It (5) will be between end socket and shell
Flange 29 be bolted.Assembly for other conventional components of heat exchanger, does not repeat herein.
Working principle described briefly below: as shown in Figure 1, recirculated water enters that end socket of left end from water inlet adapter tube, then divide
That end socket of right end Jin Ru not be entered back into, then be discharged from water outlet pipe in each heat exchanger tube；The one other fluid for needing to exchange heat from
Entrance sleeve enters shell side, is then discharged from discharge connection.It is past that driving driving cylinder drives connecting plate and each straight-bar to make straight line
Multiple movement, correspondingly, water flow of each baffle in heat exchanger tube makees straight reciprocating motion, to upset the track of water flow, destroys
Laminar flow layer of the water flow at heat transfer tube wall avoids the impurity in water and accumulates at heat transfer tube wall, prevents to reach
The purpose of fouling.
Compared with prior art, the principle of the good antiscale property of good antiscale property heat exchanger provided by the invention is different: in the present invention simultaneously
It does not scrape the inner wall of heat exchanger tube constantly by baffle instead of to realize good antiscale property, water flow destruction water flow is stirred by baffle and is existed
Laminar flow layer at heat transfer tube wall, to prevent impurity from accumulating at heat transfer tube wall and structure.Just because of the original of good antiscale property
Reason is different, and the end that each baffle can be further limited in the present invention is V-arrangement tip, is further reduced baffle end and heat exchange
Contact area between inside pipe wall, so that straight-bar, baffle successfully move in heat exchanger tube.
By analysis it is found that the present invention has mainly with following technical advantages: (1) baffle and heat exchanger tube in of the invention
Friction between inner wall is weaker, will not damage heat exchanger tube.(2) it is driven by external driving cylinder, it is ensured that straight-bar can be normal
It is mobile, do not need have particular/special requirement to the pressure of recirculated water.(3) reciprocating movement of baffle destroys water flow at heat transfer tube wall
Laminar flow layer, avoid the impurity in water and accumulated at heat transfer tube wall, improve the effect of good antiscale property.
It should be noted that driving cylinder piston rod passes through should be sealed (such as setting O-ring) at end socket, and axis
Sealing is the prior art in itself, therefore attached drawing is not drawn into the structure of specific sealing element.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to protection scope of the present invention.
Claims (8)
1. a kind of good antiscale property heat exchanger, including shell, two pieces of tube sheets for being separately positioned on shell both ends, two respectively with shell two
Hold two end sockets being detachably connected；Several heat exchanger tubes are connected between two pieces of tube sheets；It is characterized in that, one of end socket
Outside is provided with a driving cylinder, and the piston rod of the driving cylinder protrudes into corresponding end socket and be connected with one piece of connecting plate,
Straight-bar equal and one-to-one with number of heat exchange tubes is connected on the connecting plate, every straight-bar is respectively protruding into that corresponding root
In heat exchanger tube, multiple baffles are provided on every straight-bar.
2. good antiscale property heat exchanger according to claim 1, which is characterized in that the connecting plate corresponds to be distinguished at every straight-bar
Be provided with an internal thread hole, that one end that every straight-bar is correspondingly connected with plate be respectively arranged with external screw thread and be screwed into it is corresponding that
In threaded hole.
3. good antiscale property heat exchanger according to claim 1 or 2, which is characterized in that upper point along its length of every straight-bar
It has not been equally spaced several groups baffle, 4 baffles are respectively arranged in each group, two baffles of arbitrary neighborhood in each group
Angle is 90 degree.
4. good antiscale property heat exchanger according to claim 3, which is characterized in that each baffle is equal sized, each baffle
End is V-arrangement tip.
5. good antiscale property heat exchanger according to claim 4, which is characterized in that correspond on every straight-bar and distinguish at each baffle
A blind hole adaptable with the shape of baffle root is offered, the root of each baffle is inserted into an interference fit respectively
In that corresponding blind hole.
6. good antiscale property heat exchanger according to claim 5, which is characterized in that every heat exchanger tube is carbon steel pipe, each baffle
For copper sheet.
7. good antiscale property heat exchanger according to claim 1, which is characterized in that the piston rod and shell of the driving cylinder are same
Axis it is arranged.
8. good antiscale property heat exchanger according to claim 1, which is characterized in that there are two supports for the bottom setting of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687373.9A CN108981426B (en) | 2018-06-28 | 2018-06-28 | Anti-scaling heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810687373.9A CN108981426B (en) | 2018-06-28 | 2018-06-28 | Anti-scaling heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108981426A true CN108981426A (en) | 2018-12-11 |
| CN108981426B CN108981426B (en) | 2020-07-14 |
Family
ID=64539285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810687373.9A Active CN108981426B (en) | 2018-06-28 | 2018-06-28 | Anti-scaling heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108981426B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721148A (en) * | 2020-07-13 | 2020-09-29 | 李云 | Tubular heat exchanger |
| CN113398616A (en) * | 2021-06-22 | 2021-09-17 | 浙江凯德化工有限公司 | Multi-fraction fractionation system and fractionation method thereof |
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| CN2223474Y (en) * | 1994-11-25 | 1996-03-27 | 吕志元 | Automatic rotary screw descaling spoiler tube type heat exchanger |
| CN2713426Y (en) * | 2004-06-15 | 2005-07-27 | 南华大学 | On-line descaling and reinforced heat transfer apparatus for heat exchanger |
| CN101122450A (en) * | 2007-09-19 | 2008-02-13 | 孙德兴 | Pull valve type heat-exchanging surface real-time on-line cleaning heat-exchanging device |
| CN201522233U (en) * | 2009-10-23 | 2010-07-07 | 大庆石油管理局 | Pipe internal cleaning device |
| CN203704769U (en) * | 2014-01-04 | 2014-07-09 | 长沙自洁换热器科技有限公司 | Self-cleaning water cooler |
| CN203816240U (en) * | 2013-09-18 | 2014-09-10 | 兰州理工大学温州泵阀工程研究院 | Automatic online descaling evaporator |
| CN104075615A (en) * | 2014-06-17 | 2014-10-01 | 衣启武 | Self-cleaning type intelligent shell-and-tube heat exchanger and method |
| CN104624580A (en) * | 2014-12-07 | 2015-05-20 | 中国石油化工股份有限公司 | Non-contact type pipe wall wax deposition removing device and pipe wall wax deposition removing system |
| CN206891239U (en) * | 2017-06-27 | 2018-01-16 | 常州红太阳药业有限公司 | Fixed tube-sheet exchanger |
-
2018
- 2018-06-28 CN CN201810687373.9A patent/CN108981426B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1551498A1 (en) * | 1967-05-24 | 1970-04-23 | Schack & Co Rekuperator | Process and device for the implementation of this process for heat exchange between two separate media |
| CN2180962Y (en) * | 1993-12-17 | 1994-10-26 | 卢秉威 | Scale-free heat-exchanger |
| CN2223474Y (en) * | 1994-11-25 | 1996-03-27 | 吕志元 | Automatic rotary screw descaling spoiler tube type heat exchanger |
| CN2713426Y (en) * | 2004-06-15 | 2005-07-27 | 南华大学 | On-line descaling and reinforced heat transfer apparatus for heat exchanger |
| CN101122450A (en) * | 2007-09-19 | 2008-02-13 | 孙德兴 | Pull valve type heat-exchanging surface real-time on-line cleaning heat-exchanging device |
| CN201522233U (en) * | 2009-10-23 | 2010-07-07 | 大庆石油管理局 | Pipe internal cleaning device |
| CN203816240U (en) * | 2013-09-18 | 2014-09-10 | 兰州理工大学温州泵阀工程研究院 | Automatic online descaling evaporator |
| CN203704769U (en) * | 2014-01-04 | 2014-07-09 | 长沙自洁换热器科技有限公司 | Self-cleaning water cooler |
| CN104075615A (en) * | 2014-06-17 | 2014-10-01 | 衣启武 | Self-cleaning type intelligent shell-and-tube heat exchanger and method |
| CN104624580A (en) * | 2014-12-07 | 2015-05-20 | 中国石油化工股份有限公司 | Non-contact type pipe wall wax deposition removing device and pipe wall wax deposition removing system |
| CN206891239U (en) * | 2017-06-27 | 2018-01-16 | 常州红太阳药业有限公司 | Fixed tube-sheet exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721148A (en) * | 2020-07-13 | 2020-09-29 | 李云 | Tubular heat exchanger |
| CN113398616A (en) * | 2021-06-22 | 2021-09-17 | 浙江凯德化工有限公司 | Multi-fraction fractionation system and fractionation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108981426B (en) | 2020-07-14 |
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