CN209588780U - Silicon carbide double-tube heat exchanger - Google Patents
Silicon carbide double-tube heat exchanger Download PDFInfo
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- CN209588780U CN209588780U CN201920258930.5U CN201920258930U CN209588780U CN 209588780 U CN209588780 U CN 209588780U CN 201920258930 U CN201920258930 U CN 201920258930U CN 209588780 U CN209588780 U CN 209588780U
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- silicon carbide
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- shell
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Abstract
The utility model provides a kind of silicon carbide double-tube heat exchanger, belong to technical field of heat exchangers, silicon carbide double-tube heat exchanger includes shell, silicon carbide heat exchanger tube is set in shell, baffle plate is worn on silicon carbide heat exchanger tube, silicon carbide heat exchanger tube includes silicon carbide casing and inner tube, inner tube both ends open, silicon carbide casing is open at one end, one end of inner tube is protruded into silicon carbide casing by the opening of silicon carbide casing, the other end of inner tube stretches out silicon carbide casing, end socket is arranged in one end of shell, refrigerant inlet is set on end socket, refrigerant inlet is connected to inner tube, first seal assembly and the second seal assembly are set between end socket and shell, tube side bobbin carriage is set between the first seal assembly and the second seal assembly, one end of inner tube is arranged in the first seal assembly, the open end of silicon carbide casing is arranged in the second seal assembly, it is arranged on tube side bobbin carriage cold Matchmaker outlet, refrigerant exit are connected to the open end of silicon carbide casing.The heat transfer efficiency of fluid is high in shell；Single-end sealed, manufacturing cost is low.
Description
Technical field
The utility model relates to technical field of heat exchangers, in particular to a kind of silicon carbide double-tube heat exchanger.
Background technique
Silicon carbide heat exchanger is a kind of new type heat exchanger using thyrite as a heat transfer medium.Due to carbonization
Silicon ceramics have the good characteristics such as corrosion-resistant, high temperature resistant, highly thermally conductive, high rigidity, wear-resisting, and silicon carbide ceramic heat exchanger is suitble to height
The use demand of warm, corrosion-resistant environment.
It is higher than the materials heat exchangers such as carbon steel, stainless steel, graphite, enamel in silicon carbide heat exchanger manufacturing cost at this stage,
In not only silicon carbide heat exchanger tube is because quite high by production restriction price, price is not yet for tetrafluoro tube sheet and filler for sealing and encapsulating
It is luxuriant and rich with fragrance.Especially in chemical production process, needing to change hot medium is not usually one-component, but the mixing of a variety of soda acid organic matters
Object, the silicon carbide heat exchanger airtight and watertight padding used must satisfy every kind of corrosive medium requirement, and it is high to often have to selection price
Expensive perfluoroether material causes the manufacturing cost one of silicon carbide heat exchanger to rise and rises again, the application of silicon carbide heat exchanger by
Limitation.
Utility model content
The purpose of this utility model is to provide a kind of silicon carbide double-tube heat exchangers, and heat transfer efficiency is high, and low manufacture cost.
The embodiments of the present invention are achieved in that
The utility model embodiment provides a kind of silicon carbide double-tube heat exchanger comprising the shell of inner hollow, both ends open
Body, shell is interior to be arranged silicon carbide heat exchanger tube, and multiple baffle plates are equipped on silicon carbide heat exchanger tube, and silicon carbide heat exchanger tube includes carbonization
Silicon casing and inner tube, inner tube both ends open, silicon carbide casing is open at one end, and one end of inner tube is stretched by the opening of silicon carbide casing
Enter in silicon carbide casing, the other end of inner tube stretches out silicon carbide casing, and one end of shell is provided with end socket, is provided on end socket cold
Matchmaker's import, refrigerant inlet are connected to inner tube, and the first seal assembly and the second seal assembly, the first sealing are arranged between end socket and shell
Tube side bobbin carriage is set between component and the second seal assembly, and one end of inner tube is arranged in the first seal assembly, silicon carbide casing
Open end be arranged in the second seal assembly, be provided with refrigerant exit on tube side bobbin carriage, refrigerant exit is connected to silicon carbide casing
Open end.
Optionally, the first seal assembly includes the first tube sheet, and the second seal assembly includes the second tube sheet, and one end of inner tube is set
It sets in the first tube sheet, the open end of silicon carbide casing is arranged in the second tube sheet.
Optionally, silicon carbide heat exchanger tube passes through the pore of the second tube sheet, in pipe between silicon carbide heat exchanger tube and the second tube sheet
Airtight and watertight padding part is set in hole.
Optionally, fixture nut is arranged in the side far from the second tube sheet open end in airtight and watertight padding part.
Optionally, the ratio between internal diameter of the internal diameter of inner tube and silicon carbide casing is between 0.4~0.6.
Optionally, fluid inlet is provided on the peripheral wall of shell.
Optionally, gaseous phase outlet is set on the peripheral wall of shell.
Optionally, multiple baffle plate spaced sets.
Optionally, the first tube sheet and the second tube sheet are arranged in parallel.
Optionally, trunnion is set on shell.
Silicon carbide double-tube heat exchanger provided by the embodiment of the utility model includes the shell of inner hollow, both ends open, shell
Silicon carbide heat exchanger tube is set in vivo, is equipped with multiple baffle plates on silicon carbide heat exchanger tube, silicon carbide heat exchanger tube includes silicon carbide set
Pipe and inner tube, inner tube both ends open, silicon carbide casing is open at one end, and carbon is protruded by the opening of silicon carbide casing in one end of inner tube
In SiClx casing, the other end of inner tube stretches out silicon carbide casing, and one end of shell is provided with end socket, be provided on end socket refrigerant into
Mouthful, refrigerant inlet is connected to inner tube, and the first seal assembly and the second seal assembly, the first seal assembly are arranged between end socket and shell
Tube side bobbin carriage is set between second seal assembly, and one end of inner tube is arranged in the first seal assembly, silicon carbide casing
Open end be arranged in the second seal assembly, be provided with refrigerant exit on tube side bobbin carriage, refrigerant exit is connected to silicon carbide casing
Open end.Silicon carbide double-tube heat exchanger provided by the embodiment of the utility model is made by the way of silicon carbide casing and inner tube
The refrigerant flow rate obtained in silicon carbide heat exchanger tube is accelerated, and the heat transfer efficiency of fluid in shell is effectively increased；Using single-end sealed,
Making material is saved, manufacturing cost is low.
Detailed description of the invention
It, below will be to use required 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
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of silicon carbide double-tube heat exchanger provided by the embodiment of the utility model；
Fig. 2 is the sealing structure signal in the second tube sheet of silicon carbide double-tube heat exchanger provided by the embodiment of the utility model
Figure.
Icon: 1- end socket；2- inner tube；3- tube side bobbin carriage；4- trunnion；5- shell；6- silicon carbide casing；7- baffle plate；8-
Second tube sheet；The first tube sheet of 9-；10- airtight and watertight padding part；11- fixture nut；A- refrigerant inlet；B- refrigerant exit；C- fluid into
Mouthful；D- fluid outlet；E- gaseous phase outlet.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention 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 in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area
Divide description, is not understood to indicate or imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Fig. 1 is please referred to, the utility model embodiment provides a kind of silicon carbide double-tube heat exchanger, including shell 5, baffle plate 7
With silicon carbide heat exchanger tube, 5 inner hollow of shell, both ends open, shell 5 is enamel material, and steel lining tetrafluoro material can also be used in shell 5
Matter, it is therefore an objective to be able to satisfy requirement for anticorrosion.End socket 1 is arranged in one end of shell 5, is provided with refrigerant inlet A on end socket 1, shell 5 is another
The opening at end is fluid outlet D；Trunnion 4 is also set up on shell 5, for being fixedly mounted.
The multiple baffle plates 7 of setting and silicon carbide heat exchanger tube in shell 5, multiple 7 spaced sets of baffle plate, baffle plate 7
One end and the fitting of 5 inner wall of shell, and one end of multiple baffle plates 7 is bonded with 5 inner wall interval of shell, makes fluid in shell 5
Path lengthening is flowed through, is conducive to exchange heat to fluid.Silicon carbide heat exchanger tube sequentially passes through multiple baffle plates 7, and baffle plate 7 can be adopted
It is made of tetrafluoride material.
Silicon carbide heat exchanger tube in the silicon carbide double-tube heat exchanger of the present embodiment is using single-end sealed, and manufacturing cost is low, tool
Body, as shown in Figure 1,1 end of end socket of shell 5 is provided with the first seal assembly and the second seal assembly, the first seal assembly and
Second seal assembly is arranged between the open end of shell 5 and end socket 1, for sealing.First seal assembly includes the first tube sheet
9, the second seal assembly includes the second tube sheet 8, and tube side bobbin carriage 3, tube side are equipped between the first seal assembly and the second seal assembly
Refrigerant exit B is provided on the peripheral wall of bobbin carriage 3.
The silicon carbide double-tube heat exchanger heat exchange unit of the present embodiment is made of barrel forms, specifically, as shown in Fig. 2,
Silicon carbide heat exchanger tube includes inner tube 2 and the silicon carbide casing 6 that is set in outside inner tube 2, and inner tube 2 is the siphunculus of both ends open, carbonization
Silicon casing 6 is open at one end closed at one end, and inner tube 2 is inserted into silicon carbide casing 6, and opening for silicon carbide casing 6 is stretched out in one end of inner tube 2
There are a certain distance gap in mouth end, the other end of inner tube 2 and the closed end of silicon carbide casing 6, the refrigerant in inner tube 2 are facilitated to flow to
In 6 inner wall of silicon carbide casing.
It is arranged as shown in Figure 1, one end of inner tube 2 is originated from the first tube sheet 9, the open end of silicon carbide casing 6 is managed from second
The starting setting of plate 8, the other end of inner tube 2 and the closed end of silicon carbide casing 6 extend to the end fluid outlet D of shell 5, such as scheme
Shown in 2, pore is equipped in the second tube sheet 8, silicon carbide heat exchanger tube passes through pore, the pore close to one end of the first tube sheet 9 to
Second tube sheet sets gradually fixture nut 11 and airtight and watertight padding part 10 in 8 direction, for fix and seal silicon carbide heat exchanger tube with
Second tube sheet 8.Fixture nut 11 can be silk plug nut, be made of tetrafluoride material, as shown in Fig. 2, setting table in silk plug nut
Rank, silicon carbide casing 6, which is originated from the step to fluid outlet D pipe, to be extended, and inner tube 2 is through entire second tube sheet 8.
Silicon carbide casing 6 assembled with the second tube sheet 8 and tube side bobbin carriage 3 it is integral, can be integrally from shell 5 when needing to overhaul
Middle extraction greatly facilitates maintenance and the Problem judgment of the silicon carbide double-tube heat exchanger of the present embodiment.
Between the ratio between 6 internal diameter of internal diameter and silicon carbide casing of inner tube 2 0.4~0.6, inserted inside silicon carbide casing 6 interior
After pipe 2, the latus rectum inside silicon carbide casing 6 becomes smaller, and the refrigerant flow rate in silicon carbide casing 6 is accelerated, and effectively increases fluid and exists
Heat transfer efficiency in shell 5.
First tube sheet 9 and the second tube sheet 8 are arranged in parallel, and inner tube 2 is enabled correspondingly to match parallel set with silicon carbide casing 6
It sets, convenient for circulation of the refrigerant in inner tube 2 and silicon carbide casing 6.
It is provided with gaseous phase outlet E on 5 peripheral wall of shell at the end fluid outlet D, correspondingly, in the shell close to the end refrigerant inlet A
The contrary setting of fluid inlet C, fluid inlet C and gaseous phase outlet E are provided on the peripheral wall of body 5.
Silicon carbide double-tube heat exchanger provided by the embodiment of the utility model, in use, refrigerant inlet A is connected to inner tube 2, refrigerant
The open end of B connection silicon carbide casing 6 is exported, refrigerant first flows into one end of inner tube 2 from refrigerant inlet A, then from the another of inner tube 2
End outflow enters to the closed end of silicon carbide casing 6, then along 6 inner wall of silicon carbide casing opening back to silicon carbide casing 6
Mouth end, the open end of silicon carbide casing 6 are connected to tube side bobbin carriage 3, and refrigerant finally flows away from the refrigerant exit B on tube side bobbin carriage 3,
Complete circulation；Fluid is flowed into from fluid inlet C, is condensed and is generated after the refrigerant heat exchange in shell 5 and in silicon carbide heat exchanger tube
Condensate liquid, condensate liquid are flowed out from fluid outlet D, and the gas that fluid generates when condensing in shell 5 flows away from gaseous phase outlet E, into
Row exhaust, completes the heat exchange of the refrigerant in silicon carbide heat exchanger tube and the fluid in shell 5.
2 material of inner tube can be the metals such as carbon steel pipe, stainless steel tube, copper pipe；First tube sheet 9 can be using carbon steel, stainless
The metals such as steel, the second tube sheet 8 can be tetrafluoro tube sheet, and tetrafluoro tube sheet and airtight and watertight padding part 10 only have existing silicon carbide heat exchanger to use
The half of amount effectively reduces the manufacturing cost of 6 heat exchanger of silicon carbide casing of the present embodiment.
Inner tube 2 is connect by the way of welding or expanded joint with the first tube sheet 9；2 stringing quantity of inner tube and cloth form of tubes and carbon
6 stringing of SiClx casing is consistent, and inner tube 2 is smoothly inserted into silicon carbide casing 6 when facilitating equipment to install.
Silicon carbide double-tube heat exchanger provided by the embodiment of the utility model can be used as condenser use, when inner tube 2 is into heating agent
The gas that can also be used to heating shell-side, uses as heater.
Silicon carbide double-tube heat exchanger provided by the embodiment of the utility model, by the way of silicon carbide casing 6 and inner tube 2,
So that the refrigerant flow rate in silicon carbide heat exchanger tube is accelerated, the heat transfer efficiency of fluid in shell 5 is effectively increased；Using single-ended close
Envelope, saves making material, and manufacturing cost is low.
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 heat exchanger, comprising: the shell of inner hollow, both ends open, the shell is interior to be arranged silicon carbide
Heat exchanger tube is equipped with multiple baffle plates on the silicon carbide heat exchanger tube, which is characterized in that the silicon carbide heat exchanger tube includes carbonization
Silicon casing and inner tube, said inner tube both ends open, the silicon carbide casing is open at one end, and one end of said inner tube passes through the carbon
The opening of SiClx casing protrudes into the silicon carbide casing, and the other end of said inner tube stretches out the silicon carbide casing, the shell
One end of body is provided with end socket, and refrigerant inlet is provided on the end socket, and the refrigerant inlet is connected to said inner tube, the end socket
First seal assembly and the second seal assembly, first seal assembly and second sealing group are set between the shell
Tube side bobbin carriage is set between part, and one end of said inner tube is arranged in first seal assembly, and the silicon carbide casing is opened
Mouth end is arranged in second seal assembly, and refrigerant exit is provided on the tube side bobbin carriage, and the refrigerant exit is connected to institute
State the open end of silicon carbide casing.
2. silicon carbide double-tube heat exchanger according to claim 1, which is characterized in that first seal assembly includes first
Tube sheet, second seal assembly include the second tube sheet, and one end of said inner tube is arranged in first tube sheet, the carbonization
The open end of silicon casing is arranged in second tube sheet.
3. silicon carbide double-tube heat exchanger according to claim 2, which is characterized in that the silicon carbide heat exchanger tube passes through described
Airtight and watertight padding part is arranged in the pore of second tube sheet in the pore between the silicon carbide heat exchanger tube and second tube sheet.
4. silicon carbide double-tube heat exchanger according to claim 3, which is characterized in that the airtight and watertight padding part is far from described
Fixture nut is arranged in the side of second tube sheet open end.
5. silicon carbide double-tube heat exchanger according to claim 1, which is characterized in that the internal diameter of said inner tube and the carbonization
The ratio between internal diameter of silicon casing is between 0.4~0.6.
6. silicon carbide double-tube heat exchanger according to claim 2, which is characterized in that be provided with stream on the peripheral wall of the shell
Body import.
7. silicon carbide double-tube heat exchanger according to claim 6, which is characterized in that gas phase is arranged on the peripheral wall of the shell
Outlet.
8. silicon carbide double-tube heat exchanger according to claim 1, which is characterized in that multiple baffle plates are equidistantly set
It sets.
9. silicon carbide double-tube heat exchanger according to claim 2, which is characterized in that first tube sheet and second pipe
Plate is arranged in parallel.
10. silicon carbide double-tube heat exchanger according to claim 1, which is characterized in that trunnion is arranged on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920258930.5U CN209588780U (en) | 2019-02-28 | 2019-02-28 | Silicon carbide double-tube heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920258930.5U CN209588780U (en) | 2019-02-28 | 2019-02-28 | Silicon carbide double-tube heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN209588780U true CN209588780U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920258930.5U Active CN209588780U (en) | 2019-02-28 | 2019-02-28 | Silicon carbide double-tube heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN209588780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737776A (en) * | 2019-02-28 | 2019-05-10 | 无锡英罗唯森科技有限公司 | Silicon carbide double-tube heat exchanger |
-
2019
- 2019-02-28 CN CN201920258930.5U patent/CN209588780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737776A (en) * | 2019-02-28 | 2019-05-10 | 无锡英罗唯森科技有限公司 | Silicon carbide double-tube heat exchanger |
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