CN206787346U - A kind of PTFE heat exchangers with PTFE cladding cards - Google Patents
A kind of PTFE heat exchangers with PTFE cladding cards Download PDFInfo
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- CN206787346U CN206787346U CN201720463354.9U CN201720463354U CN206787346U CN 206787346 U CN206787346 U CN 206787346U CN 201720463354 U CN201720463354 U CN 201720463354U CN 206787346 U CN206787346 U CN 206787346U
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- ptfe
- heat exchanger
- mounting blocks
- supporting plate
- cards
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Abstract
The utility model discloses a kind of PTFE heat exchangers with PTFE cladding cards,Including heat exchanger shell,Card and PTFE heat exchanger tubes,Card is connected on the inwall of heat exchanger shell,PTFE heat exchanger tubes have several,Two ends of every PTFE heat exchanger tube are connected on card,Make PTFE heat exchanger tubes u-shaped in heat exchanger shell,The card includes supporting plate,Mounting blocks and briquetting,Supporting plate is connected on the inwall of heat exchanger shell,Offered in supporting plate several placing the circular mounting hole of mounting blocks,Mounting hole arranges in array type,Mounting blocks have several piece,It is respectively provided with the circle being adapted with mounting hole,And it is respectively arranged in corresponding mounting hole,And every piece of mounting blocks are tightly fixed in supporting plate by briquetting,Several connecting holes are equipped with every piece of mounting blocks,To the end for the PTFE heat exchanger tubes that are connected；Also include straining beam and fixing device of heat exchange pipe, the utility model causes card to have the function of anti-corrosion anti-leak, while extends the service life of PTFE heat exchangers.
Description
Technical field
PTFE heat exchanger technologies are the utility model is related to, card is coated with PTFE more specifically to a kind of
PTFE heat exchangers.
Background technology
PTFE (polytetrafluoroethylene (PTFE)) tubing has excellent high-low temperature resistant characteristic, can be grown under conditions of -190~260 DEG C
Phase uses.PTFE material has good chemical stability, fluorine steam only under high temperature, and performance can change under alkali metal, right
Other all dense, dilute inorganic Organic Acid and Bases, ester do not react.Low surface friction coefficient, water repellent refuse dirt, inside and outside tube wall
Not incrustation.It is nontoxic, it is nonflammable the features such as, there is the high grade of transparency, be widely used in fluoroplastics heat exchanger, heat steam pipe arrangement etc.
Field, tool have been widely used.
Card in PTFE heat exchangers is mainly used in being fixedly connected with heat exchanger tube, and exchanges the arranged evenly of heat pipe.At present
Card in common heat exchanger typically all selects one piece of overall card made of metal material, then is opened up on this block metal card
The connecting hole of several array type arrangements, to connect heat exchanger tube, still, using the card of such structure, there is following
Deficiency：
1. due to metal material card after a long time use, use can be have impact on by the flue gas corrosion in heat exchanger
Life-span；
2. heat exchanger tube is all connected on a monoblock card, when work is run, heat transferring medium is flowed into heat exchanger tube, therefore, is changed
Heat pipe is all concentrated on card along with the weight of medium, and after long-term use of, card can produce flexural deformation, or even can make card
Slid from heat exchanger；
3. current heat exchanger tube is typically all made from PTFE materials, using expansion connection between metal card, due to two
The characteristic of kind material is different, causes the amplitude of expanding with heat and contract with cold of two kinds of materials also different, therefore heat exchanger tube can be caused to be taken off from card
Fall；
4. if there is drainage in heat exchanger tube, it is necessary to closes heat exchanger in time and carries out repair and replacement, have impact on work effect
Rate.
Utility model content
For drawbacks described above present in prior art, the purpose of this utility model is to provide a kind of with PTFE cladding flowers
The PTFE heat exchangers of plate so that card has the function of anti-corrosion anti-leak, while extends the service life of PTFE heat exchangers.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of PTFE heat exchangers with PTFE cladding cards, including heat exchanger shell, card and PTFE heat exchanger tubes, card
It is connected on the inwall of heat exchanger shell, PTFE heat exchanger tubes have several, and two ends of every PTFE heat exchanger tube are connected in card
On, make PTFE heat exchanger tubes u-shaped in heat exchanger shell, the card includes supporting plate, mounting blocks and briquetting, supporting plate
It is connected on the inwall of heat exchanger shell, offers several to place the circular mounting hole of mounting blocks in supporting plate, mounting hole is in
Array type arranges, and mounting blocks have several piece, is respectively provided with the circle being adapted with mounting hole, and be respectively arranged on corresponding mounting hole
In, and every piece of mounting blocks are tightly fixed in supporting plate by briquetting, and several connecting holes are equipped with every piece of mounting blocks, to even
Connect the end of fixed PTFE heat exchanger tubes；
Also include straining beam and fixing device of heat exchange pipe, straining beam has several, is correspondingly arranged at the top of every piece of mounting blocks, its end
The upper end of portion's briquetting corresponding on mounting blocks is connected, and is connected by mounting blocks of the stay-bolt again with corresponding lower section, heat exchanger tube
Fixing device also has several, and including several pipe sleeves being sequentially connected in one, each pipe sleeve is sheathed on PTFE heat exchanger tubes
Outer tube wall on, to fixed PTFE heat exchanger tubes；
Anti-corrosion layer is covered with the surface of the supporting plate；
The mounting blocks are the mounting blocks of PTFE material, and setting is rounded step-like, including epimere and hypomere, epimere
Diameter be more than the diameter of hypomere, the diameter of hypomere is adapted with the diameter of mounting hole, the hypomere of mounting blocks in mounting hole,
The both ends of mounting blocks epimere are made to be set up in supporting plate；
The briquetting is equipped with a projection to compress on one end of mounting blocks, make on one end of briquetting formed top, under
Two ledge structures in side, the ledge structure of lower section is to compress the epimere of mounting blocks, and the ledge structure of top is connecting straining beam.
Briquetting on every piece of described mounting blocks is provided with two pieces, and the ledge structure below two pieces of briquettings is respectively compressing peace
Fill the both ends of the epimere of block.
The both ends of described straining beam are respectively connected on the ledge structure above corresponding briquetting so that straining beam is located at corresponding installation
The top of block.
The home position of described mounting blocks is provided with the first pulling eye, and the opening position of corresponding first pulling eye of straining beam is provided with second
Pulling eye, stay-bolt are fed through the first pulling eye and the second pulling eye successively, and it is tight on the first pulling eye and the second pulling eye to be respectively provided with one
Gu nut so that stay-bolt, which is connected and hanged with mounting blocks fastening, to be drawn on straining beam.
Anti-corrosion layer is coated with the bolt head of described stay-bolt.
Sealing ring is equipped between described briquetting and mounting blocks, between mounting blocks and supporting plate.
The other end of described briquetting is fixedly connected by fastening bolt and supporting plate.
Described supporting plate and straining beam is metal material, and fixing device of heat exchange pipe is PTFE materials.
It is connected between described connecting hole and PTFE heat exchanger tubes for hot melting way.
Described anti-corrosion layer is PTFE film.
In above-mentioned technical scheme, a kind of PTFE cladding cards of heat exchanger provided by the utility model, not only have
There are anticorrosion, Smoke prevention gas leakage and distortion-free feature, add card withstanding forces in itself, and service life again.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the front view of card in the utility model；
Fig. 3 is the schematic diagram of a-a in Fig. 2；
Fig. 4 is the structural representation of fixing device of heat exchange pipe in the utility model；
Fig. 5 is the schematic diagram of briquetting in the utility model.
Embodiment
The technical solution of the utility model is further illustrated with reference to the accompanying drawings and examples.
Incorporated by reference to shown in Fig. 1 to Fig. 5, a kind of PTFE with PTFE cladding cards provided by the utility model exchanges heat
Device, including heat exchanger shell 8, card 9 and PTFE heat exchanger tubes 10, card 9 are connected on the inwall of heat exchanger shell 8, PTFE heat exchange
Pipe 10 have it is several, two ends of every PTFE heat exchanger tube 10 are connected on card 9, make PTFE heat exchanger tubes 10 are u-shaped to set
In in heat exchanger shell 8, above-mentioned part is prior art part, is just repeated no more herein.Unlike the prior art, it is described
Card 9 includes supporting plate 1, mounting blocks 2 and briquetting 3, and supporting plate 1 is connected on the inwall of heat exchanger shell 8, opened up in supporting plate 1
Have several to place the circular mounting hole of mounting blocks 2, mounting hole arranges in array type, and mounting blocks 2 have several piece, is respectively provided with and is in
The circle being adapted with mounting hole, and be respectively arranged in corresponding mounting hole, and every piece of mounting blocks 2 are fastened by briquetting 3
In in supporting plate 1, several connecting holes 201 are equipped with every piece of mounting blocks 2, one end of PTFE heat exchanger tubes 10 is fixedly connected on one
In one of connecting hole 201 on mounting blocks 2, and the other end of PTFE heat exchanger tubes 10 is fixedly connected on an adjacent mounting blocks 2
On a corresponding connecting hole 201 in be arranged on so that PTFE heat exchanger tubes 10 are u-shaped inside heat exchanger shell 8.
Preferably, also include straining beam 4 and fixing device of heat exchange pipe 11, straining beam 4 has several, is correspondingly arranged at every piece of mounting blocks
2 top, the upper end of its end briquetting 3 corresponding on mounting blocks 2 are connected, and by stay-bolt 5 again with it is corresponding below peace
Block 2 is filled to be connected.
Preferably, the mounting blocks 2 are made of PTFE materials, identical material, tool are selected with PTFE heat exchanger tubes 10
There is identical heat fusion joint, so the mode that can employ hot melt is connected with PTFE heat exchanger tubes, and mounting blocks 2 include epimere
202 and hypomere 203, the diameter of epimere 202 is more than the diameter of hypomere 203, sets rounded step-like, and the diameter of hypomere 203
It is adapted with the diameter of mounting hole, the hypomere 203 of mounting blocks 2 is positioned in mounting hole, allows for the epimere 202 of mounting blocks 2
It can set up and be connected in supporting plate 1.
Preferably, the briquetting 3 on described every piece of mounting blocks 2 is equipped with two pieces, the ledge structure of two pieces of lower sections of briquetting 3
303 respectively compressing the both ends of the epimere 202 of mounting blocks 2 so that when mounting blocks 2 can be connected in supporting plate 1, thrust
Obtain uniform balance.
Preferably, the briquetting 3 is equipped with a projection 301 to compress on one end of mounting blocks 2, make one end of briquetting 3
Above upper formation, the ledge structure of lower section two 302,303, the ledge structure 303 of lower section to compress the epimere 202 of mounting blocks 2,
The ledge structure 302 of top is connecting straining beam 4.
It is connected in preferably, the both ends of described straining beam 4 are set up respectively on the ledge structure 302 of the top of briquetting 3, and is passing through
The mode of welding is connected so that and straining beam 4 is located at the top of mounting blocks 2, meanwhile, the home position of mounting blocks 2 is provided with first
Pulling eye 204, and the second pulling eye is provided with the opening position of corresponding first pulling eye 204 of straining beam 4, stay-bolt 5 can be made to wear successively
The first pulling eye 204 and the second pulling eye, then the clamp nut 7 by being set respectively on the first pulling eye 204 and the second pulling eye are crossed, is made
The fastening of stay-bolt 5 and mounting blocks 2 be connected after and can is outstanding is pulled on straining beam 4, when heat exchanger work operation, be connected to installation
Heat transferring medium is full of in PTFE heat exchanger tubes on block 2, the straining beam 4 connected by stay-bolt 5 can be shared on mounting blocks 2
Stress degree, prevent mounting blocks 2 from being pulled down and be deformed by weight, improve service life.
Preferably, having coated anti-corrosion layer 501 on the bolt head of described stay-bolt 5, make installation using stay-bolt 5
When block 2 is connected with straining beam 4, the bolt head of stay-bolt 5 is provided in inside heat exchanger, therefore, is coated on bolt head
One layer of anti-corrosion layer 501, and anti-corrosion layer 501 also inwardly carries out flange, is not only able to enable the anticorrosion of stay-bolt 5,
It is also prevented from leaking to the outside of heat exchanger in connection gap of the flue gas between stay-bolt 5 and mounting blocks 2.
Preferably, the supporting plate 1 is made from metal material, one layer of anti-corrosion layer 101 is coated with its outer surface,
Anti-corrosion layer 101 can be made from PTFE film, then mounting hole set it is in rounded shape, because supporting plate 1 does not exchange heat with PTFE
Pipe 10 is directly connected to, from metal material can ensure its support coupling stiffness, and supporting plate 1 again with the flue gas in heat exchanger
Contact, anti-corrosion layer 101 can also protect metal material not by flue gas corrosion.
Preferably, between described briquetting 3 and mounting blocks 2, and sealing is equipped between mounting blocks 2 and supporting plate 1
Circle 8, is also to prevent the flue gas inside heat exchanger from being leaked to from junction outside heat exchanger.
Preferably, described supporting plate 1 and straining beam 4 is that metal material is made, certain hardness and rigidity are made it have,
It is capable of the tensile strength of erection ＆ lift block 2.
Preferably, fixing device of heat exchange pipe 11 also have it is several, including it is several be sequentially connected in one pipe sleeves 111,
Each pipe sleeve 111 is sheathed on the outer tube wall of PTFE heat exchanger tubes 10, to fixed PTFE heat exchanger tubes, the quantity of pipe sleeve 111 with
The quantity of PTFE heat exchanger tubes 10 of the same row of longitudinal arrangement is corresponding, to being sheathed on the corresponding PTFE of longitudinal arrangement respectively
On heat exchanger tube 10, play a part of fixed PTFE heat exchanger tubes 10, PTFE heat exchanger tubes 10 can again be distributed neatly, is easy to work people
The work such as member safeguards, replacing.
In summary, the utility model not only has anticorrosion, Smoke prevention gas leakage and distortion-free feature, adds flower again
Plate withstanding forces in itself, and the service life of card, while also increase the service life of heat exchanger.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as to restriction of the present utility model, as long as in spirit of the present utility model, to described above
Change, the modification of embodiment will all fall in Claims scope of the present utility model.
Claims (10)
1. a kind of PTFE heat exchangers with PTFE cladding cards, including heat exchanger shell, card and PTFE heat exchanger tubes, card connect
In on the inwall of heat exchanger shell, PTFE heat exchanger tubes have several, and two ends of every PTFE heat exchanger tube are connected on card,
Make PTFE heat exchanger tubes u-shaped in heat exchanger shell, it is characterised in that the card includes supporting plate, mounting blocks and pressure
Block, supporting plate are connected on the inwall of heat exchanger shell, offered in supporting plate it is several to place the circular mounting hole of mounting blocks,
Mounting hole arranges in array type, and mounting blocks have several piece, is respectively provided with the circle being adapted with mounting hole, and is respectively arranged on corresponding
Mounting hole in, and every piece of mounting blocks are tightly fixed in supporting plate by briquetting, and several connections are equipped with every piece of mounting blocks
Hole, to the end for the PTFE heat exchanger tubes that are connected；
Also include straining beam and fixing device of heat exchange pipe, straining beam has several, is correspondingly arranged at the top of every piece of mounting blocks, its end with
The upper end of corresponding briquetting is connected on mounting blocks, and is connected by mounting blocks of the stay-bolt again with corresponding lower section, and heat exchanger tube is fixed
Device also has several, is sheathed on the outer of PTFE heat exchanger tubes including several pipe sleeves being sequentially connected in one, each pipe sleeve
On tube wall, to fixed PTFE heat exchanger tubes；
Anti-corrosion layer is covered with the surface of the supporting plate；
The mounting blocks are the mounting blocks of PTFE material, and set rounded step-like, including epimere and hypomere, epimere it is straight
Footpath is more than the diameter of hypomere, and the diameter of hypomere is adapted with the diameter of mounting hole, and the hypomere of mounting blocks makes peace in mounting hole
The both ends of dress block epimere are set up in supporting plate；
The briquetting is equipped with a projection to compress on one end of mounting blocks, make to form top, lower section two on one end of briquetting
Individual ledge structure, the ledge structure of lower section is to compress the epimere of mounting blocks, and the ledge structure of top is connecting straining beam.
A kind of 2. PTFE heat exchangers with PTFE cladding cards as claimed in claim 1, it is characterised in that described every piece
Briquetting on mounting blocks is provided with two pieces, and the ledge structure below two pieces of briquettings is respectively compressing the both ends of the epimere of mounting blocks.
A kind of 3. PTFE heat exchangers with PTFE cladding cards as claimed in claim 2, it is characterised in that described straining beam
Both ends be respectively connected on the ledge structure above corresponding briquetting so that straining beam be located at corresponding mounting blocks top.
A kind of 4. PTFE heat exchangers with PTFE cladding cards as claimed in claim 3, it is characterised in that described installation
The home position of block is provided with the first pulling eye, and the opening position of corresponding first pulling eye of straining beam is provided with the second pulling eye, and stay-bolt is successively
The first pulling eye and the second pulling eye are fed through, and a clamp nut is respectively provided with the first pulling eye and the second pulling eye so that pull bar spiral shell
Bolt, which is connected and hanged with mounting blocks fastening, to be drawn on straining beam.
A kind of 5. PTFE heat exchangers with PTFE cladding cards as claimed in claim 4, it is characterised in that described pull bar
Anti-corrosion layer is coated with the bolt head of bolt.
A kind of 6. PTFE heat exchangers with PTFE cladding cards as claimed in claim 1, it is characterised in that described briquetting
Sealing ring is equipped between mounting blocks, between mounting blocks and supporting plate.
A kind of 7. PTFE heat exchangers with PTFE cladding cards as claimed in claim 1, it is characterised in that described briquetting
The other end be fixedly connected by fastening bolt and supporting plate.
A kind of 8. PTFE heat exchangers with PTFE cladding cards as claimed in claim 1, it is characterised in that described support
Plate and straining beam are metal material, and fixing device of heat exchange pipe is PTFE materials.
A kind of 9. PTFE heat exchangers with PTFE cladding cards as claimed in claim 1, it is characterised in that described connection
It is connected between hole and PTFE heat exchanger tubes for hot melting way.
10. a kind of PTFE heat exchangers with PTFE cladding cards as claimed in claim 1, it is characterised in that described is resistance to
Corrosion layer is PTFE film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463354.9U CN206787346U (en) | 2017-04-28 | 2017-04-28 | A kind of PTFE heat exchangers with PTFE cladding cards |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720463354.9U CN206787346U (en) | 2017-04-28 | 2017-04-28 | A kind of PTFE heat exchangers with PTFE cladding cards |
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|---|---|
| CN206787346U true CN206787346U (en) | 2017-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949756A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | A kind of PTFE heat exchangers that card is coated with PTFE |
-
2017
- 2017-04-28 CN CN201720463354.9U patent/CN206787346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949756A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | A kind of PTFE heat exchangers that card is coated with PTFE |
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