CN207741605U - A kind of silicon carbide double tube plate heat exchanger - Google Patents
A kind of silicon carbide double tube plate heat exchanger Download PDFInfo
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- CN207741605U CN207741605U CN201721925779.3U CN201721925779U CN207741605U CN 207741605 U CN207741605 U CN 207741605U CN 201721925779 U CN201721925779 U CN 201721925779U CN 207741605 U CN207741605 U CN 207741605U
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Abstract
The utility model provides a kind of silicon carbide double tube plate heat exchanger, belongs to technical field of heat exchangers.Silicon carbide double tube plate heat exchanger includes at least a silicon carbide heat exchanger tube, corrosion-proof casing, the first end socket, the second end socket, the first sealing structure and second seals structure, the first sealing structure and second seals structure is respectively set in the both ends of corrosion-proof casing, the first end socket is arranged in one end of the separate corrosion-proof casing of first sealing structure, the second end socket is arranged in one end of the separate corrosion-proof casing of second seals structure, and the both ends of every silicon carbide heat exchanger tube are respectively arranged at the first sealing structure and second seals structure.The first sealing structure and second seals structure is respectively set at the both ends of silicon carbide heat exchanger tube in this silicon carbide double tube plate heat exchanger, it prevents during silicon carbide double tube plate heat exchanger use because fluid scouring and thermal expansion cause silicon carbide heat exchanger tube to move axially, use corrosion-proof casing, make Korrosionsmedium that can also walk shell, meets production requirement.
Description
Technical field
The utility model is related to technical field of heat exchangers, in particular to a kind of silicon carbide double tube plate heat exchanger.
Background technology
Silicon carbide has high corrosion-resistant, anti-oxidant and erosive wear resistance, is resistant to high-concentration sulfuric acid, nitric acid, phosphoric acid, mixes
Close acid, highly basic, oxidant etc., be uniquely can hydrofluoric acid corrosion resistance ceramic material, and service life is long.With noble metal tantalum,
The prices such as zirconium, Hastelloy are compared, its price is relatively low.And the thermal conductivity of silicon carbide is far above other resistant materials,
Under same heat exchange efficiency, the heat exchange area that silicon carbide heat exchanger uses can be less.Compared with graphite heat exchanger, its intensity compares
Height, corrosion resistance are more preferable；Compared with enamel heat exchanger, its resistance to strong acid ability is strong, and burst porcelain problem is not present；It is changed with fluoroplastics
Hot device is compared, its heat conductivility is more preferable, and voltage endurance capability is stronger.
The silicon carbide heat exchanger tube of the silicon carbide double tube plate heat exchanger of the prior art is easy to happen axial movement, has corrosivity
Medium generally walk tube side, non-corrosive heating agent or refrigerant can only walk shell side, limit the use scope of heat exchanger.
Utility model content
The purpose of this utility model is to provide a kind of silicon carbide double tube plate heat exchanger, prevent from exchanging heat in silicon carbide double tubesheet
Because fluid scouring and thermal expansion cause silicon carbide heat exchanger tube to move axially during device use, make Korrosionsmedium that can also walk shell
Layer, meets production requirement.
The utility model is realized using following technical scheme：
A kind of silicon carbide double tube plate heat exchanger, including an at least silicon carbide heat exchanger tube, corrosion-proof casing, the first end socket,
The first sealing structure and second close is respectively set in two end sockets, the first sealing structure and second seals structure, the both ends of corrosion-proof casing
The first end socket, the separate anti-corrosion shell of second seals structure is arranged in one end of seal structure, the separate corrosion-proof casing of the first sealing structure
The second end socket is arranged in one end of body, and the both ends of every silicon carbide heat exchanger tube are respectively arranged at the first sealing structure and the second sealing knot
Structure.
Further, in the utility model preferred embodiment, above-mentioned first sealing structure includes first seal, metal
Tube sheet, anti-corrosion tube sheet and second seal, metal tube sheets are set to the first end socket, and metal tube sheets are provided with first through hole, anti-corrosion
Tube sheet is set to corrosion-proof casing, and anti-corrosion tube sheet is provided with the second through-hole, and silicon carbide heat exchanger tube is fixed on by first seal
In one through-hole, silicon carbide heat exchanger tube is fixed on by second seal in the second through-hole.
Further, in the utility model preferred embodiment, above-mentioned first through hole is coaxially disposed with the second through-hole.
Further, in the utility model preferred embodiment, above-mentioned first sealing structure further includes metal support tube, gold
The both ends for belonging to support tube are arranged in respectively in first through hole and in the second through-hole, and silicon carbide heat exchanger tube passes through metal support tube and leads to
It crosses first seal and is fixed in first through hole and be fixed in the second through-hole with second seal.
Further, in the utility model preferred embodiment, above-mentioned first seal is set to the end of metal support tube
Portion is simultaneously sheathed on outside silicon carbide heat exchanger tube, and first seal is located in first through hole, and first seal is from the end of metal support tube
The direction that portion is directed away from metal support tube includes tetrafluoro washer, O-ring, tetrafluoro washer, O-ring and tetrafluoro washer successively.
Further, in the utility model preferred embodiment, above-mentioned second seal is set to the end of metal support tube
Portion is simultaneously sheathed on outside silicon carbide heat exchanger tube, and second seal is located in the second through-hole, and second seal is from the end of metal support tube
The direction that portion is directed away from metal support tube includes tetrafluoro washer, O-ring, tetrafluoro washer, soft tetrafluoro filler and tetrafluoro successively
Washer.
Further, in the utility model preferred embodiment, above-mentioned first sealing structure further includes metal platen, metal
Pressing plate is set to the side of the first end socket and the separate anti-corrosion tube sheet positioned at metal tube sheets.
Further, in the utility model preferred embodiment, above-mentioned first sealing structure further includes metal reinforcing plates, gold
Category reinforcing plate is set to corrosion-proof casing and between anti-corrosion tube sheet and metal tube sheets, and metal support tube passes through metal reinforcing plates.
Further, in the utility model preferred embodiment, above-mentioned silicon carbide double tube plate heat exchanger further includes first solid
Determine structure and the second fixed structure, for fixing the first end socket and corrosion-proof casing, the second fixed structure is used for first fixed structure
Fix the second end socket and corrosion-proof casing.
Further, in the utility model preferred embodiment, above-mentioned first fixed structure includes first flange and second
Flange, first flange are set to the first end socket, and second flange is set to corrosion-proof casing, passes through between first flange and second flange
Bolt is fixed.
The advantageous effect for the silicon carbide double tube plate heat exchanger that the preferred embodiment of the utility model provides is：Use anti-corrosion shell
Body makes Korrosionsmedium that can also walk shell, meets production requirement.The both ends of corrosion-proof casing be respectively set the first sealing structure and
Second seals structure, one end of the separate corrosion-proof casing of the first sealing structure are arranged the first end socket, second seals structure it is separate
The second end socket is arranged in one end of corrosion-proof casing, and the both ends of every silicon carbide heat exchanger tube are respectively arranged at the first sealing structure and second
Sealing structure is respectively set the first sealing structure and second seals structure at the both ends of silicon carbide heat exchanger tube, prevents in silicon carbide
Because fluid scouring and thermal expansion cause silicon carbide heat exchanger tube to move axially during double tube plate heat exchanger use.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
The scope of protection of the utility model is also belonged to obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the silicon carbide double tube plate heat exchanger that the utility model embodiment provides；
Fig. 2 is the structural representation of first fixed structure in the silicon carbide double tube plate heat exchanger that the utility model embodiment provides
Figure；
Fig. 3 is the cut-away section of the first sealing structure in the silicon carbide double tube plate heat exchanger that the utility model embodiment provides
Figure.
Icon：100- silicon carbide double tube plate heat exchangers；110- silicon carbide heat exchanger tubes；120- corrosion-proof casings；The first envelopes of 130-
Head；The second end sockets of 140-；The first sealing structures of 150-；160- second seals structures；170- first fixed structures；180- second is solid
Determine structure；121- gas phase imports；122- gaseous phase outlets；123- condensate outlets；131- refrigerant inlets；141- refrigerant exits；
124- lifting lugs；125- metal supports；190- anti-corrosion baffle plates；171- first flanges；172- second flanges；173- bolts；151-
Metal tube sheets；152- anti-corrosion tube sheets；153- first seals；154- second seals；155- first through hole；156- second is logical
Hole；157- metal support tubes；158- first ends；159- second ends；161- metal platens；162- metal reinforcing plates.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
The every other embodiment that member is obtained without creative efforts belongs to the model of the utility model protection
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Embodiment
A kind of silicon carbide double tube plate heat exchanger 100 is present embodiments provided, is mainly used for heating Korrosionsmedium
And cooling.
Fig. 1 is the structural schematic diagram of silicon carbide double tube plate heat exchanger 100 provided in this embodiment.Referring to Fig. 1, this implementation
In example, silicon carbide double tube plate heat exchanger 100 is horizontal positioned when using, including at least silicon carbide heat exchanger tube 110, an anti-corrosion
Shell 120, the first end socket 130, the second end socket 140, the first sealing structure 150, second seals structure 160, first fixed structure
170 and second fixed structure 180, the first sealing structure 150 and second seals structure is respectively set in the both ends of corrosion-proof casing 120
160, the first end socket 130 is arranged in one end of the separate corrosion-proof casing 120 of the first sealing structure 150, and first fixed structure 170 is used for
The first end socket 130 and corrosion-proof casing 120 are fixed, the second envelope is arranged in one end of the separate corrosion-proof casing 120 of second seals structure 160
First 140, the second fixed structure 180 is for fixing the second end socket 140 and corrosion-proof casing 120, and the two of every silicon carbide heat exchanger tube 110
End is respectively arranged at the first sealing structure 150 and second seals structure 160.
The first sealing structure 150 and second seals structure 160 is respectively set at the both ends of silicon carbide heat exchanger tube 110, prevents
Because fluid scouring and thermal expansion cause silicon carbide heat exchanger tube 110 axially to move during silicon carbide 100 use of double tube plate heat exchanger
It is dynamic.
Using corrosion-proof casing 120, makes Korrosionsmedium that can also walk shell, meet production requirement.Preferably, the present embodiment
In, shell side walks Korrosionsmedium, and tube side walks non-aggressive medium.Corrosion-proof casing 120 is as silicon carbide double tube plate heat exchanger 100
Shell, in the present embodiment, corrosion-proof casing 120 is enamel shell.Corrosion-proof casing 120 is cylindrical type, is horizontally disposed, corrosion-proof casing
120 are provided with gas phase import 121, gaseous phase outlet 122 and condensate outlet 123, and gas phase import 121 is set to corrosion-proof casing 120
Far from the first end socket 130 side, gaseous phase outlet 122 be set to corrosion-proof casing 120 close to the first end socket 130 side,
Condensate outlet 123 is set to the side of close first end socket 130 of corrosion-proof casing 120 and the lower section positioned at gaseous phase outlet 122.
First end socket 130 is provided with refrigerant inlet 131, and the second end socket 140 is provided with refrigerant exit 141, can alternately exchange heat, improve heat
The efficiency of exchange keeps the cooling effect of Korrosionsmedium more preferable.
In the present embodiment, the upper end of corrosion-proof casing 120 is also provided with lifting lug 124 and lower end is also provided with metal support 125,
To be installed to silicon carbide double tube plate heat exchanger 100.
Be mounted with multiple anti-corrosion baffle plates 190 in corrosion-proof casing 120, multiple anti-corrosion baffle plates 190 along the first end socket 130 to
The direction of second end socket 140 is arranged at intervals at corrosion-proof casing 120 successively.In the present embodiment, anti-corrosion baffle plate 190 is that single arch is anti-
Rotten baffle plate 190 can be avoided with the mixing phenomena that backflows of Korrosionsmedium through supercooling by the installation of anti-corrosion baffle plate 190
Korrosionsmedium reflux afterwards.In the present embodiment, anti-corrosion baffle plate 190 is polytetrafluoroethylene (PTFE) baffle plate, but is not limited only to this
Material, being capable of baffle plate made of corrosion-resistant material.
In the present embodiment, the both ends of every silicon carbide heat exchanger tube 110 are opening setting, refrigerant from refrigerant inlet 131 into
Enter in the first end socket 130, enter flowing in silicon carbide heat exchanger tube 110 in the opening by silicon carbide heat exchanger tube 110, and flows into the
In two end sockets 140, then from the outflow of refrigerant exit 141, the Korrosionsmedium of shell is cooled down.Silicon carbide heat exchanger tube 110 has
There are very high thermal conductivity, high intensity, high temperature resistant and acid/alkali-corrosion-resistant characteristic, be suitble to the environment such as high temperature, high pressure, strong acid and highly basic,
Make silicon carbide double tube plate heat exchanger 100 that there is good heat transfer effect, can also extend the service life of equipment, reduction is produced into
This.
In order to realize the connection between the first end socket 130, corrosion-proof casing 120 and the second end socket 140, first fixed structure
170 for fixing the first end socket 130 and corrosion-proof casing 120, and the second fixed structure 180 is for fixing the second end socket 140 and anti-corrosion
Shell 120, first fixed structure 170 is identical with the structure of the second fixed structure 180, and the position of installation is different.Fig. 2 is this implementation
The structural schematic diagram of first fixed structure 170 in the silicon carbide double tube plate heat exchanger 100 that example provides.Referring to Fig. 2, the present embodiment
In, first fixed structure 170 includes first flange 171 and second flange 172, and first flange 171 is set to the first end socket 130,
Second flange 172 is set to corrosion-proof casing 120, is fixed by bolt 173 between first flange 171 and second flange 172.Make
Fixed effect between one end socket 130 and corrosion-proof casing 120 between the second end socket 140 and corrosion-proof casing 120 is more preferable.
The first end socket 130, second seals structure 160 is arranged in one end of the separate corrosion-proof casing 120 of first sealing structure 150
One end of separate corrosion-proof casing 120 the second end socket 140 is set, the first sealing structure 150 and second seals structure 160 are set
It sets, keeps corrosion-proof casing 120 and the first end socket 130 and corrosion-proof casing 120 and the sealing effect of the second end socket 140 more preferable.Meanwhile it is logical
It crosses the first sealing structure 150 and second seals structure 160 installs silicon carbide heat exchanger tube 110.
Fig. 3 is the cut-away section of the first sealing structure 150 in silicon carbide double tube plate heat exchanger 100 provided in this embodiment
Figure.Also referring to Fig. 2 and Fig. 3, in the present embodiment, the structure of the first sealing structure 150 and second seals structure 160 completes phase
Together, and relative to corrosion-proof casing 120 it is symmetrical arranged, the structure of the first end socket 130 and the second end socket 140 also completes identical, and phase
Corrosion-proof casing 120 is symmetrical arranged.First sealing structure 150 includes first seal 153, metal tube sheets 151, anti-corrosion tube sheet
152 and second seal 154, metal tube sheets 151 be set to the first end socket 130, metal tube sheets 151 are provided with first through hole 155,
Anti-corrosion tube sheet 152 is set to corrosion-proof casing 120, and anti-corrosion tube sheet 152 is provided with the second through-hole 156, and silicon carbide heat exchanger tube 110 passes through
First seal 153 is fixed in first through hole 155, and silicon carbide heat exchanger tube 110 is fixed on second by second seal 154 and leads to
In hole 156.
By the setting of first seal 153 and second seal 154, make silicon carbide heat exchanger tube 110 and metal tube sheets 151
It is more secured with the connection of anti-corrosion tube sheet 152, and there is good sealing effect, prevent Korrosionsmedium from leaking.Meanwhile
The setting of metal tube sheets 151 can prevent the deformation of anti-corrosion tube sheet 152, extend the service life of equipment.
First through hole 155 and the second through-hole 156 are coaxially disposed, and so that the installation of silicon carbide heat exchanger tube 110 is more stablized, into one
Step avoids silicon carbide heat exchanger tube 110 from moving axially.
First sealing structure 150 further includes metal support tube 157, and the both ends of metal support tube 157 are arranged in first respectively
In through-hole 155 and in the second through-hole 156, silicon carbide heat exchanger tube 110 passes through metal support tube 157 and passes through first seal 153
It is fixed in first through hole 155 and is fixed in the second through-hole 156 with second seal 154, make the installation of silicon carbide heat exchanger tube 110
More stablize, further avoids the axial movement of silicon carbide heat exchanger tube 110.
Preferably, metal support tube 157 includes first end 158 and second end 159, and first end 158 is set to first through hole
In 155, second end 159 is set in the second through-hole 156, is had gap between metal tube sheets 151 and anti-corrosion tube sheet 152, is passed through
Silicon carbide heat exchanger tube 110 is sheathed in metal support tube 157 by the installation of metal support tube 157, can increase by the first sealing knot
The intensity of structure 150 forms silicon carbide heat exchanger tube 110 and protects, it is avoided to be damaged.
First seal 153 is set to the end of metal support tube 157 and is sheathed on outside silicon carbide heat exchanger tube 110, first
Sealing element 153 is located in first through hole 155, and first seal 153 is directed away from metal support from the end of metal support tube 157
The direction of pipe 157 includes tetrafluoro washer, O-ring, tetrafluoro washer, O-ring and tetrafluoro washer successively.I.e. first seal 153 from
Close to first end 158 tetrafluoro washer, O-ring, tetrafluoro washer, O-ring and tetrafluoro are set gradually to the direction far from first end 158
Washer keeps the sealing effect between silicon carbide heat exchanger tube 110 and metal tube sheets 151 more preferable, meanwhile, avoid metal tube sheets 151 right
Silicon carbide heat exchanger tube 110, which is formed, to be squeezed, and is avoided silicon carbide heat exchanger tube 110 from being damaged, was also installed silicon carbide heat exchanger tube 110
Cheng Gengjia safety.
First sealing structure 150 further includes metal platen 161, and metal platen 161 is set to the first end socket 130 and positioned at gold
Belong to the side of the separate anti-corrosion tube sheet 152 of tube sheet 151.I.e. metal platen 161 is set to the separate anti-corrosion tube sheet of metal tube sheets 151
152 side further increases the intensity of the first sealing structure 150.Metal platen 161 uses metal bolts with metal tube sheets 151
173 fix, and 161 the number of openings of metal platen layout is consistent with metal tube sheets 151, ensure that fluid can pass through, simultaneously
Also it can prevent silicon carbide heat exchanger tube 110 from moving axially.The sealing means that metal tube sheets 151 integrally compress reduce single sealing
The usage amount of silk plug reduces the manufacturing cost of equipment entirety.
Second seal 154 is set to the end of metal support tube 157 and is sheathed on outside silicon carbide heat exchanger tube 110, second
Sealing element 154 is located in the second through-hole 156, and second seal 154 is directed away from metal support from the end of metal support tube 157
The direction of pipe 157 includes tetrafluoro washer, O-ring, tetrafluoro washer, soft tetrafluoro filler and tetrafluoro washer, i.e., the second sealing successively
Direction of the part 154 from close to first end 158 to far from first end 158 sets gradually tetrafluoro washer, O-ring, tetrafluoro washer, soft
Tetrafluoro filler and tetrafluoro washer, keep the sealing effect between silicon carbide heat exchanger tube 110 and metal tube sheets 151 more preferable, meanwhile, it avoids
Metal tube sheets 151 form silicon carbide heat exchanger tube 110 and squeeze, and avoid silicon carbide heat exchanger tube 110 from being damaged, also silicon carbide are made to change
110 installation process of heat pipe is safer.In the present embodiment, soft tetrafluoro filler can use the O-ring of other materials to substitute, such as：
Perfluoroether, fluorubber and silicon rubber etc..
First sealing structure 150 further includes metal reinforcing plates 162, and metal reinforcing plates 162 are set to corrosion-proof casing 120 and position
Between anti-corrosion tube sheet 152 and metal tube sheets 151, metal support tube 157 passes through metal reinforcing plates 162.That is metal reinforcing plates 162
It is set to anti-corrosion tube sheet 152, further increases the intensity of the first sealing structure 150, anti-corrosion tube sheet 152 is avoided to deform.Anti-corrosion pipe
Plate 152 and 162 connection type of metal reinforcing plates use 173 fixed mode of metal bolts, prevent during equipment use because
High temperature and pressure causes 152 deformation of anti-corrosion tube sheet, causes seal leakage.
In the present embodiment, metal tube sheets 151, metal platen 161, metal support tube 157 and metal reinforcing plates 162 are used
Material can be carbon steel, stainless steel, aluminium alloy etc..The connection type of metal platen 161 and metal tube sheets 151 is in addition to bolt
173 connections can also use the fixed forms such as welding or viscose glue bonding.
Metal reinforcing plates 162 are also correspondingly provided with through-hole, facilitate the peace of silicon carbide heat exchanger tube 110 and metal support tube 157
Dress, metal platen 161 are correspondingly provided with through-hole, facilitate refrigerant to flow into and carry out heat exchange in silicon carbide heat exchanger tube 110.The present embodiment
In, the first sealing structure 150 sets gradually metal platen 161, metal tube along the direction of 130 to the second end socket 140 of the first end socket
Plate 151, metal reinforcing plates 162 and anti-corrosion tube sheet 152 keep the structure of the first sealing structure 150 more secured, corrosivity are avoided to be situated between
Matter enters the first end socket 130, and the leakage of corrosive liquid is prevented by anti-corrosion tube sheet 152.
Specifically, in first seal 153, phenyl tetrafluoride pad is set gradually along the direction of 130 to the second end socket 140 of the first end socket
Circle, O-ring, tetrafluoro washer, O-ring and tetrafluoro washer avoid refrigerant from entering metal tube sheets 151 from first through hole 155 and prevent
In the gap of rotten tube sheet 152, that is, avoid gap leakage of the refrigerant between silicon carbide heat exchanger tube 110 and metal tube sheets 151.Second
In sealing element 154, along the direction of 130 to the second end socket 140 of the first end socket set gradually tetrafluoro washer, O-ring, tetrafluoro washer,
Soft tetrafluoro filler and tetrafluoro washer avoid Korrosionsmedium from entering metal reinforcing plates 162 from the second through-hole 156, that is, avoid
Gap leakage of the corrosive liquid between silicon carbide heat exchanger tube 110 and anti-corrosion tube sheet 152.
In the present embodiment, the erection sequence of the first sealing structure 150 is that first installation anti-corrosion tube sheet 152, metal are reinforced successively
Plate 162, metal tube sheets 151 and metal platen 161, then silicon carbide heat exchanger tube 110 is installed, after install successively second seal 154,
Metal support tube 157 and first seal 153 make anti-corrosion tube sheet 152 and metal tube sheets 151 be mounted on first by bolt 173
Between flange 171 and second flange 172, silicon carbide heat exchanger tube 110 is firmly installed in the first sealing structure 150.First is close
The setting of sealing 153 and second seal 154 makes between silicon carbide heat exchanger tube 110 and the first sealing structure 150 using whole gold
Belong to tube sheet 151 and compress airtight and watertight padding, 151 outside of metal tube sheets, 110 displacement of metal perforated plate gland limitation silicon carbide heat exchanger tube is prevented
Blocking SiClx heat exchanger tube 110 is in use because fluid scouring and thermal expansion due to cause silicon carbide heat exchanger tube 110 to move axially.
Anti-corrosion tube sheet 152 is polytetrafluoroethylene (PTFE) tube sheet or steel lining tetrafluoro tube sheet；But both materials are not limited only to, it can
Carry out tube sheet made of corrosion-resistant material.In the present embodiment, anti-corrosion tube sheet 152 is used for sealing shell-side, metal tube sheets 151
In seal pipe side, two pieces of tube sheets individually seal, and either shell-side leakage or the leakage of pipe side can be found in time.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of silicon carbide double tube plate heat exchanger, which is characterized in that including an at least silicon carbide heat exchanger tube, corrosion-proof casing,
The both ends of one end socket, the second end socket, the first sealing structure and second seals structure, the corrosion-proof casing are respectively set described first
Sealing structure and the second seals structure, one end setting described the far from the corrosion-proof casing of first sealing structure
Second end socket, the every carbonization is arranged in one end far from the corrosion-proof casing of one end socket, the second seals structure
The both ends of silicon heat exchanger tube are respectively arranged at first sealing structure and the second seals structure.
2. silicon carbide double tube plate heat exchanger according to claim 1, which is characterized in that first sealing structure includes the
One sealing element, metal tube sheets, anti-corrosion tube sheet and second seal, the metal tube sheets are set to first end socket, the gold
Belong to tube sheet and be provided with first through hole, the anti-corrosion tube sheet is set to the corrosion-proof casing, and it is logical that the anti-corrosion tube sheet is provided with second
Hole, the silicon carbide heat exchanger tube are fixed on by the first seal in the first through hole, and the silicon carbide heat exchanger tube is logical
The second seal is crossed to be fixed in second through-hole.
3. silicon carbide double tube plate heat exchanger according to claim 2, which is characterized in that the first through hole and described second
Through-hole is coaxially disposed.
4. silicon carbide double tube plate heat exchanger according to claim 2, which is characterized in that first sealing structure further includes
The both ends of metal support tube, the metal support tube are arranged in respectively in the first through hole and in second through-hole, described
Silicon carbide heat exchanger tube passes through the metal support tube and is fixed in the first through hole and described by the first seal
Second seal is fixed in second through-hole.
5. silicon carbide double tube plate heat exchanger according to claim 4, which is characterized in that the first seal is set to institute
It states the end of metal support tube and is sheathed on outside the silicon carbide heat exchanger tube, the first seal is located at the first through hole
Interior, the direction that the first seal is directed away from the metal support tube from the end of the metal support tube includes four successively
Fluorine washer, O-ring, tetrafluoro washer, O-ring and tetrafluoro washer.
6. silicon carbide double tube plate heat exchanger according to claim 4, which is characterized in that the second seal is set to institute
It states the end of metal support tube and is sheathed on outside the silicon carbide heat exchanger tube, the second seal is located at second through-hole
Interior, the direction that the second seal is directed away from the metal support tube from the end of the metal support tube includes four successively
Fluorine washer, O-ring, tetrafluoro washer, soft tetrafluoro filler and tetrafluoro washer.
7. silicon carbide double tube plate heat exchanger according to claim 4, which is characterized in that first sealing structure further includes
Metal platen, the metal platen are set to first end socket and positioned at the separate anti-corrosion tube sheets of the metal tube sheets
Side.
8. silicon carbide double tube plate heat exchanger according to claim 7, which is characterized in that first sealing structure further includes
Metal reinforcing plates, the metal reinforcing plates be set to the corrosion-proof casing and positioned at the anti-corrosion tube sheet and the metal tube sheets it
Between, the metal support tube passes through the metal reinforcing plates.
9. silicon carbide double tube plate heat exchanger according to claim 1, which is characterized in that the silicon carbide double tube plate heat exchanger
Further include first fixed structure and the second fixed structure, the first fixed structure is for fixing first end socket and described anti-
Rotten shell, second fixed structure is for fixing second end socket and the corrosion-proof casing.
10. silicon carbide double tube plate heat exchanger according to claim 9, which is characterized in that the first fixed structure includes
First flange and second flange, the first flange are set to first end socket, and the second flange is set to the anti-corrosion
Shell is bolted between the first flange and the second flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925779.3U CN207741605U (en) | 2017-12-29 | 2017-12-29 | A kind of silicon carbide double tube plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925779.3U CN207741605U (en) | 2017-12-29 | 2017-12-29 | A kind of silicon carbide double tube plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207741605U true CN207741605U (en) | 2018-08-17 |
Family
ID=63121241
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721925779.3U Active CN207741605U (en) | 2017-12-29 | 2017-12-29 | A kind of silicon carbide double tube plate heat exchanger |
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| Country | Link |
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| CN (1) | CN207741605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050866A (en) * | 2017-12-29 | 2018-05-18 | 无锡英罗唯森科技有限公司 | A kind of carborundum double tube plate heat exchanger |
-
2017
- 2017-12-29 CN CN201721925779.3U patent/CN207741605U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050866A (en) * | 2017-12-29 | 2018-05-18 | 无锡英罗唯森科技有限公司 | A kind of carborundum double tube plate heat exchanger |
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