CN206787367U - A kind of PTFE cladding cards of heat exchanger - Google Patents
A kind of PTFE cladding cards of heat exchanger Download PDFInfo
- Publication number
- CN206787367U CN206787367U CN201720476583.4U CN201720476583U CN206787367U CN 206787367 U CN206787367 U CN 206787367U CN 201720476583 U CN201720476583 U CN 201720476583U CN 206787367 U CN206787367 U CN 206787367U
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- mounting blocks
- heat exchanger
- ptfe
- briquetting
- cards
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Abstract
The utility model discloses a kind of PTFE of heat exchanger to coat card, including supporting plate, mounting blocks, briquetting and straining beam, circular mounting hole is offered in supporting plate, mounting blocks are set in the circle being adapted with mounting hole, and in mounting hole, and mounting blocks is fixed in supporting plate by briquetting, mounting blocks are provided with several connecting holes, straining beam is located at the top of mounting blocks, and its end is connected with the upper end of corresponding briquetting, and is connected again with mounting blocks by stay-bolt.The utility model causes card to have the function of anti-corrosion anti-leak, while extends the service life of card.
Description
Technical field
PTFE heat exchanger technologies are the utility model is related to, card is coated more specifically to a kind of PTFE of heat exchanger.
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 PTFE bags of heat exchanger
Cover card so that card has the function of anti-corrosion anti-leak, while extends the service life of card.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of PTFE of heat exchanger coats card, including supporting plate, mounting blocks, briquetting and straining beam, is offered in supporting plate
Circular mounting hole, mounting blocks are set in the circle being adapted with mounting hole, and in mounting hole, and make mounting blocks by briquetting
It is fixed in supporting plate, mounting blocks are provided with several connecting holes, and straining beam is located at the top of mounting blocks, its end and corresponding pressure
The upper end of block is connected, and is connected again with mounting blocks by stay-bolt；
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 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 is in mounting hole, peace
The both ends of dress block epimere are set up in supporting plate；
The briquetting is provided with a projection to compress one end of mounting blocks, makes to form top, lower section on one end of briquetting
Two ledge structures, the ledge structure of lower section is to compress the epimere of mounting blocks, and the ledge structure of top is connecting straining beam.
Described briquetting has two pieces, and the ledge structure below two pieces of briquettings is respectively compressing the two of the epimere of mounting blocks
End.
The both ends of described straining beam are respectively connected on the ledge structure above briquetting so that straining beam is upper located at mounting blocks
Side.
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.
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 structural representation of the present utility model；
Fig. 2 is the front view of installing plate in the utility model；
Fig. 3 is the schematic diagram of a-a in Fig. 2；
Fig. 4 is the enlarged diagram at b positions in Fig. 2；
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 of heat exchanger provided by the utility model coats card, including branch
Fagging 1, mounting blocks 2, briquetting 3 and straining beam 4, a circular mounting hole is offered in supporting plate 1, by mounting blocks 2 located at installation
Kong Zhong, and mounting blocks 2 are compressed by briquetting 3, mounting blocks 2 is compressed with supporting plate 1 and be fixedly connected, mounting blocks 2 are provided with several
Connecting hole 201, connecting hole 201 are fixedly connected to connect the end of PTFE heat exchanger tubes, and straining beam 4 is connected in the upper end of briquetting 3, and leads to
Cross stay-bolt 5 and be connected with mounting blocks 2 so that straining beam 4 can share the part endurance on 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,
Mounting hole is set again in rounded shape, because supporting plate 1 is not directly connected to PTFE heat exchanger tubes, can be ensured from metal material
It supports coupling stiffness, and supporting plate 1 can also protect metal material with the smoke contacts in heat exchanger, anti-corrosion layer 101 again
Matter is not by flue gas corrosion.
Preferably, the mounting blocks 2 are made up of PTFE materials, with PTFE Selection of Tubes in Heat Exchangers identical materials, phase is provided with
Same heat fusion joint, so the mode for employing 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 and mounting hole
Diameter is adapted, and the hypomere 203 of mounting blocks 2 is positioned in mounting hole, and the epimere 202 for allowing for mounting blocks 2 being capable of construction company
It is connected in supporting plate 1.
The briquetting 3 is provided with a projection 301 to compress one end of mounting blocks 2, makes to be formed on one end of briquetting 3
Side, the ledge structure of lower section two 302,303, the ledge structure 303 of lower section is compressing the epimere 202 of mounting blocks 2, and top
Ledge structure 302 is connecting straining beam 4 so that straining beam 4 is arranged on the top of mounting blocks 2.
Preferably, described briquetting 3 has two pieces, the ledge structure 303 of two pieces of lower sections of briquetting 3 is installed to compress respectively
The both ends of the epimere 202 of block 2 so that when mounting blocks 2 are connected in supporting plate 1, thrust obtains uniform balance.
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, 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.
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. the PTFE cladding cards of a kind of heat exchanger, it is characterised in that including supporting plate, mounting blocks, briquetting and straining beam, supporting plate
On offer circular mounting hole, mounting blocks are set in the circle being adapted with mounting hole, and in mounting hole, and pass through briquetting
Mounting blocks are made to be fixed in supporting plate, mounting blocks are provided with several connecting holes, and straining beam is located at the top of mounting blocks, its end
It is connected with the upper end of corresponding briquetting, and is connected again with mounting blocks by stay-bolt；
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, the diameter of epimere
More than the diameter of hypomere, the diameter of hypomere is adapted with the diameter of mounting hole, and the hypomere of mounting blocks is in mounting hole, mounting blocks
The both ends of epimere are set up in supporting plate；
The briquetting is provided with a projection to compress one end of mounting blocks, makes to form top, lower section two on one end of briquetting
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.
2. the PTFE cladding cards of a kind of heat exchanger as claimed in claim 1, it is characterised in that described briquetting has two
Block, ledge structure below two pieces of briquettings is respectively compressing the both ends of the epimere of mounting blocks.
A kind of 3. PTFE cladding cards of heat exchanger as claimed in claim 2, it is characterised in that the both ends of described straining beam point
It is not connected on the ledge structure above briquetting so that straining beam is located at the top of mounting blocks.
A kind of 4. PTFE cladding cards of heat exchanger as claimed in claim 3, it is characterised in that the center of circle of described mounting blocks
Position 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 fed through the successively
One pulling eye and the second pulling eye, and it is respectively provided with a clamp nut on the first pulling eye and the second pulling eye so that stay-bolt and installation
Block fastening, which is connected and hanged, draws on straining beam.
A kind of 5. PTFE cladding cards of heat exchanger as claimed in claim 4, it is characterised in that the spiral shell of described stay-bolt
Anti-corrosion layer is coated with bolt head.
A kind of 6. PTFE cladding cards of heat exchanger as claimed in claim 1, it is characterised in that described briquetting and mounting blocks
Between, between mounting blocks and supporting plate be equipped with sealing ring.
A kind of 7. PTFE cladding cards of heat exchanger as claimed in claim 1, it is characterised in that the other end of described briquetting
It is fixedly connected by fastening bolt and supporting plate.
8. the PTFE cladding cards of a kind of heat exchanger as claimed in claim 1, it is characterised in that described supporting plate and straining beam
It is metal material.
A kind of 9. PTFE cladding cards of heat exchanger as claimed in claim 1, it is characterised in that described connecting hole and PTFE
It is connected between heat exchanger tube for hot melting way.
10. the PTFE cladding cards of a kind of heat exchanger as claimed in claim 1, it is characterised in that described anti-corrosion layer is
PTFE film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720476583.4U CN206787367U (en) | 2017-04-28 | 2017-04-28 | A kind of PTFE cladding cards of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720476583.4U CN206787367U (en) | 2017-04-28 | 2017-04-28 | A kind of PTFE cladding cards of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206787367U true CN206787367U (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720476583.4U Active CN206787367U (en) | 2017-04-28 | 2017-04-28 | A kind of PTFE cladding cards of heat exchanger |
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| Country | Link |
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| CN (1) | CN206787367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949775A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | A kind of PTFE cladding cards of heat exchanger |
-
2017
- 2017-04-28 CN CN201720476583.4U patent/CN206787367U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949775A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | A kind of PTFE cladding cards of heat exchanger |
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