CN208282671U - Silicon carbide heat exchanger tube sheet and silicon carbide heat exchanger - Google Patents

Silicon carbide heat exchanger tube sheet and silicon carbide heat exchanger Download PDF

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Publication number
CN208282671U
CN208282671U CN201820676330.6U CN201820676330U CN208282671U CN 208282671 U CN208282671 U CN 208282671U CN 201820676330 U CN201820676330 U CN 201820676330U CN 208282671 U CN208282671 U CN 208282671U
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Prior art keywords
tube sheet
silicon carbide
heat exchanger
carbide heat
exchanger tube
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CN201820676330.6U
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Chinese (zh)
Inventor
徐鹏飞
李志刚
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Wuxi Ying Luo Weisen Technology Co Ltd
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Wuxi Ying Luo Weisen Technology Co Ltd
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Abstract

The utility model relates to chemical fields, in particular to a kind of silicon carbide heat exchanger tube sheet and silicon carbide heat exchanger.The silicon carbide heat exchanger tube sheet, comprising: tube sheet ontology and metal reinforcement.Wherein, tube sheet ontology is made of non-metallic material.It is provided on tube sheet ontology multiple for accommodating the pore of carborundum tube, multiple pore interval settings.The inside of tube sheet ontology is arranged in metal reinforcement, and is provided with metal reinforcement between every two adjacent pores.Metal reinforcement is set in the tube sheet ontology made of in non-metallic material, effectively increase the mechanical strength under polytetrafluoroethylene material tube sheet high temperature and high pressure condition, it improves the use pressure of entire silicon carbide heat exchanger tube sheet and uses temperature, solve the problem of that existing tetrafluoro tube sheet high temperature is easy to produce deformation and creep and generates adverse effect to carborundum tube.

Description

Silicon carbide heat exchanger tube sheet and silicon carbide heat exchanger
Technical field
The utility model relates to chemical fields, change in particular to a kind of silicon carbide heat exchanger tube sheet and silicon carbide Hot device.
Background technique
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.
Silicon carbide heat exchanger is applied to chemical industry equipment manufacture as a kind of new material and is widely popularized not yet, mainly It is that silicon carbide heat exchanger manufacturing technology is not mature enough, especially there is also defect, limits for heat exchanger tube sheet selection and processing and fabricating Application of the silicon carbide heat exchanger under higher temperature and pressure working condition is made.
Existing silicon carbide heat exchanger tube sheet is all made of molding tetrafluoro round block Vehicle Processing production.The Vehicle Processing on tetrafluoro round block Multiple circular holes, carborundum tube is mounted in circular hole.
But this structure is limited its scope of application there are many disadvantages.
It is a kind of reliable anti-corrosion material although polytetrafluoroethylene (PTFE) material tube sheet can resist the corrosion of most of soda acid, But mechanical strength substantially reduces polytetrafluoroethylene (PTFE) at high temperature, and polytetrafluoroethylene (PTFE) has higher expansion and contraction compared with metal material And creep properties, it is easy to produce deformation at high temperature, causes sealing effect undesirable;Silicon carbide heat exchanger equipment system is limited simultaneously Make scale, major diameter heat exchanger is difficult.
Utility model content
The purpose of this utility model is to provide a kind of silicon carbide heat exchanger tube sheets, solve existing tetrafluoro tube sheet high temperature and hold It is also easy to produce deformation and creep, adverse effect is led to the problem of to carborundum tube.
The purpose of this utility model is to provide a kind of silicon carbide heat exchanger, the silicon carbide heat exchanger high mechanical strength, energy It is enough that adverse effect is generated to carborundum tube efficiently against because high temperature tetrafluoro tube sheet generates deformation and creep.
To achieve the goals above, the utility model embodiment the technical solution adopted is as follows:
A kind of silicon carbide heat exchanger tube sheet, comprising: tube sheet ontology;Tube sheet ontology is made of non-metallic material;Tube sheet ontology On be provided with it is multiple for accommodating the pores of carborundum tube;Multiple pore interval settings;Metal reinforcement;Metal reinforcement setting Metal reinforcement is provided in the inside of tube sheet ontology, and between every two adjacent pores.
In the utility model preferred embodiment, first surface and opposite second surface that tube sheet ontology has;Pipe Hole penetrates through first surface and second surface.
In the utility model preferred embodiment, each pore is stepped hole, the shape of each pore with The shape of carborundum tube matches.
In the utility model preferred embodiment, metal reinforcement also has reinforcement side;Reinforce side shape be substantially in Cloud lace shape;The reinforcement side of cloud lace shape and tube sheet ontology nested encryptions.
In the utility model preferred embodiment, filler is provided between metal reinforcement and tube sheet ontology.
In the utility model preferred embodiment, the material of filler is in glass, carbon fiber or silicon carbide Any one.
In the utility model preferred embodiment, first surface and second surface are provided with waterline.
In the utility model preferred embodiment, the material of tube sheet ontology is selected from polytetrafluoroethylene (PTFE), fluorinated ethylene propylene Any one in copolymer, tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer or ethylene-tetrafluoroethylene copolymer.
In the utility model preferred embodiment, the material of metal reinforcement is selected from carbon steel, stainless steel or aluminium alloy In any one.
A kind of silicon carbide heat exchanger, the silicon carbide heat exchanger include such as above-mentioned silicon carbide heat exchanger tube sheet;And it is multiple Carborundum tube.Wherein, multiple carborundum tubes are arranged in the pore of silicon carbide heat exchanger tube sheet.
The beneficial effects of the utility model are:
A kind of silicon carbide heat exchanger tube sheet provided by the utility model, comprising: tube sheet ontology and metal reinforcement.Wherein, Tube sheet ontology is made of non-metallic material.It is provided on tube sheet ontology multiple for accommodating the pore of carborundum tube, multiple pores Interval setting.The inside of tube sheet ontology is arranged in metal reinforcement, and is provided with metal between every two adjacent pores and adds Strong part.Metal reinforcement is set in the tube sheet ontology made of in non-metallic material, effectively increases polytetrafluoroethylene material Mechanical strength under tube sheet high temperature and high pressure condition improves the use pressure of entire silicon carbide heat exchanger tube sheet and uses temperature, Solve the problem of that existing tetrafluoro tube sheet high temperature is easy to produce deformation and creep and generates adverse effect to carborundum tube.
A kind of silicon carbide heat exchanger provided by the utility model, the silicon carbide heat exchanger include that above-mentioned silicon carbide such as exchanges heat Device tube sheet and multiple carborundum tubes.Wherein, multiple carborundum tubes are arranged in the pore of silicon carbide heat exchanger tube sheet.The carbonization The silicon heat exchanger silicon carbide heat exchanger tube sheet above-mentioned by setting, improves the mechanical strength of entire silicon carbide heat exchanger tube sheet, So that use the pressure of entire silicon carbide heat exchanger and improved using temperature, it can be efficiently against because of the generation of high temperature tetrafluoro tube sheet Deformation and creep generate adverse effect to carborundum tube.
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 representation at the first visual angle of the silicon carbide heat exchanger tube sheet that the utility model first embodiment provides Figure;
Fig. 2 is the structural representation at the second visual angle of the silicon carbide heat exchanger tube sheet that the utility model first embodiment provides Figure;
Fig. 3 is the structural schematic diagram of the pore for the silicon carbide heat exchanger tube sheet that the utility model first embodiment provides;
Fig. 4 is the structural schematic diagram for the silicon carbide heat exchanger that the utility model second embodiment provides.
Icon: 100- silicon carbide heat exchanger tube sheet;110- tube sheet ontology;111- pore;120- metal reinforcement;121- One surface;122- second surface;123- reinforces side;124- waterline;200- silicon carbide heat exchanger;210- carborundum tube.
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.
In the description of the utility model embodiment, it should be noted that the orientation or position of the instructions such as term " on ", "inner" Set relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.
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 directly connected, the company inside two elements can also be can be indirectly connected through an intermediary It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition Meaning.
First embodiment
Fig. 1-Fig. 3 is please referred to, the present embodiment provides a kind of silicon carbide heat exchanger tube sheets 100 comprising 110 He of tube sheet ontology Metal reinforcement 120.
Further, tube sheet ontology 110 is made of non-metallic material.It is provided on tube sheet ontology 110 multiple for accommodating The pore 111 of carborundum tube;The setting of multiple intervals of pore 111.The inside of tube sheet ontology 110 is arranged in metal reinforcement 120, and Metal reinforcement 120 is provided between per two adjacent pores 111.
Metal reinforcement 120 is set in the tube sheet ontology 110 made of in non-metallic material, is greatly improved entire The mechanical strength of silicon carbide heat exchanger tube sheet 100, so can be improved the use temperature of entire silicon carbide heat exchanger tube sheet 100 with And pressure is used, it efficiently solves existing tetrafluoro tube sheet high temperature and is easy to produce deformation and creep, carborundum tube is generated not The problem of good influence.
Further, the material of tube sheet ontology 110 is selected from polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer, tetrafluoroethene- Any one in perfluorinated alkoxy vinyl ether copolymer or ethylene-tetrafluoroethylene copolymer.
Polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer, tetrafluoroethylene-perfluoro alkoxy vinyl ethers copolymer or second Alkene-TFE copolymer is that can be used to do the material of pipeline, and these materials all have corrosion resistant performance.
Therefore, select this kind of material production tube sheet ontology 110 that can be reasonably resistant to various soda acids and organic solvent corrosion.
Further, in the present embodiment, optionally, the material of above-mentioned tube sheet ontology 110 selects polytetrafluoroethylene (PTFE).It is poly- Tetrafluoroethene can be by commercially available.
Further, the first surface 121 and opposite second surface 122 that tube sheet ontology 110 has;Pore 111 penetrates through First surface 121 and second surface 122.
Further, first surface 121 and second surface 122 are provided with waterline 124.
It should be noted that the setting of above-mentioned waterline 124 can be configured using the common operating method in this field.
Further, each pore 111 is stepped hole, the shape of each pore 111 with the shape of carborundum tube Shape matches.
Specifically, each above-mentioned pore 111 is made by mach mode.
Further, metal reinforcement 120 is arranged in the inside of tube sheet ontology 110, and per two adjacent pores 111 it Between be provided with metal reinforcement 120.
Further, any one of the material of metal reinforcement 120 in carbon steel, stainless steel or aluminium alloy.
Still optionally further, the material of above-mentioned metal reinforcement 120 selects stainless steel, stainless steel is slightly high, price just Preferably, easy to process.
Further, metal reinforcement 120, which also has, reinforces side 123;The shape for reinforcing side 123 is substantially in cloud lace Shape;The reinforcement side 123 of cloud lace shape and 110 nested encryptions of tube sheet ontology.
Specifically, also there is reinforcement side 123 to be set as cloud lace shape metal reinforcement 120, is conducive to metal reinforcement Part 120 is bound more closely with tube sheet ontology 110 made of polytetrafluoroethylene material, and then improves entire silicon carbide heat exchanger pipe The structural integrity of plate 100.
Further, filling is provided between tube sheet ontology 110 made of metal reinforcement 120 and polytetrafluoroethylene material Agent.
Further, any one of the material of filler in glass, carbon fiber or silicon carbide.
By the way that above-mentioned filler is arranged, can greatly increase entire silicon carbide heat exchanger tube sheet 100 wearability and Mechanical strength.
Specifically, the gap between tube sheet ontology 110 made of above-mentioned metal reinforcement 120 and polytetrafluoroethylene material Between 1-2mm, filler is filled in this gap for control, can effectively be avoided because of the different thermal expansion system of two kinds of materials The problems such as polytetrafluoroethylene material caused by the several and temperature difference falls off, greatly improves polytetrafluoroethylene material and metal material The connectivity robustness of material.
Further, in the utility model optional embodiment, above-mentioned silicon carbide heat exchanger tube sheet 100 is to make in this way Standby:
Metal reinforcement 120 is handled before pre-buried molding by Vehicle Processing, reinforcement molding polytetrafluoroethyl-ne can be reached The purpose of tube sheet ontology 110 made of alkene material, and it is able to satisfy silicon carbide pore Vehicle Processing surplus.The silicon carbide heat exchanger tube sheet 100 using cold pressing thermal sintering technology, and during being molded polytetrafluorethylepowder powder, metal reinforcement 120 is arranged in a mold, Metal reinforcement 120 is combined into one with polytetrafluoroethylene material in the form of built-in fitting;In sintering furnace when heating sintering Heating rate and soaking time are controlled, guarantees metal reinforcement 120 and being tightly combined property of polytetrafluoroethylene material.
Compared with prior art, which increases metal reinforcement 120, effectively increases poly- Mechanical strength under tetrafluoroethene material tube sheet high temperature and high pressure condition overcomes because high temperature polytetrafluoroethylene material tube sheet generates shape Become and creep generates adverse effect to carborundum tube.
The silicon carbide heat exchanger tube sheet 100 can guarantee that 120 binding face of metal reinforcement is poly- by reasonably machining Tetrafluoroethene layer thickness is detected by 20K electric spark, fully meets requirement for anticorrosion.The silicon carbide heat exchanger tube sheet 100 is gathered around There is the above advantage to be conducive to silicon carbide heat exchanger to promote and apply under more harsh operating condition, major diameter heat exchanger is also allowed to become It may.The expansion and contraction of polytetrafluoroethylene material substantially exceeds metal material, when for being molded polytetrafluoro when making major diameter tube sheet After ethylene round block diameter is shunk, the variation of 111 spacing of pore causes tube sheet to scrap.100 inside of silicon carbide heat exchanger tube sheet is pre-buried After metal reinforcement 120, large diameter pipe board diameter, which is shunk, to be fully controlled, major diameter silicon carbide heat exchanger is allowed to be fabricated to It is possible.
It should be noted that in other optional embodiments of the utility model, above-mentioned silicon carbide heat exchanger tube sheet 100 Preparation method also can choose the mode of injection molding.
To sum up, which includes tube sheet ontology 110 and metal reinforcement 120.Tube sheet ontology 110 On be provided with it is multiple for accommodating the pores 111 of carborundum tube, the setting of multiple intervals of pores 111.The setting of metal reinforcement 120 exists The inside of tube sheet ontology 110, and metal reinforcement 120 is provided between every two adjacent pores 111.By nonmetallic Metal reinforcement 120 is set in tube sheet ontology 110 made of material, effectively increases polytetrafluoroethylene material tube sheet high temperature and pressure Mechanical strength under operating condition improves the use pressure of entire silicon carbide heat exchanger tube sheet 100 and using temperature, solves existing Tetrafluoro tube sheet high temperature is easy to produce deformation and creep, leads to the problem of adverse effect to carborundum tube.
Second embodiment
The present embodiment provides a kind of silicon carbide heat exchanger 200, which includes what first embodiment provided Silicon carbide heat exchanger tube sheet 100 and multiple carborundum tubes 210.
Further, multiple carborundum tubes 210 are arranged in the pore of silicon carbide heat exchanger tube sheet 100.
It should be noted that above-mentioned multiple carborundum tubes 210 are arranged in the pore of silicon carbide heat exchanger tube sheet 100 When, specific operating method can choose the common operating method in this field, and details are not described herein again.
The silicon carbide heat exchanger 200 improves entire silicon carbide and changes by the way that above-mentioned silicon carbide heat exchanger tube sheet 100 is arranged The mechanical strength of hot device tube sheet 100, so that the use pressure of entire silicon carbide heat exchanger 200 and being improved using temperature, Neng Gouyou Effect ground, which overcomes, generates adverse effect to carborundum tube 210 because high temperature tetrafluoro tube sheet generates deformation and creep.
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.It should be noted that To: similar label and letter indicate similar terms in following attached drawing, therefore, once determined in a certain Xiang Yi attached drawing Justice does not need then that it is further defined and explained in subsequent attached drawing.

Claims (10)

1. a kind of silicon carbide heat exchanger tube sheet characterized by comprising
Tube sheet ontology;The tube sheet ontology is made of non-metallic material;It is provided on the tube sheet ontology multiple for accommodating carbon The pore of SiClx pipe;Multiple pore interval settings;
Metal reinforcement;The inside of the tube sheet ontology is arranged in the metal reinforcement, and per two adjacent pores Between be provided with the metal reinforcement.
2. silicon carbide heat exchanger tube sheet as described in claim 1, which is characterized in that
The first surface and opposite second surface that the tube sheet ontology has;
The pore penetrates through the first surface and the second surface.
3. silicon carbide heat exchanger tube sheet as claimed in claim 2, which is characterized in that
Each described pore is stepped hole, the shape of each pore with the shape phase of the carborundum tube Match.
4. silicon carbide heat exchanger tube sheet as described in claim 1, which is characterized in that
The metal reinforcement also has reinforcement side;
The shape for reinforcing side is substantially in cloud lace shape;
The reinforcement side of cloud lace shape and the tube sheet ontology nested encryptions.
5. silicon carbide heat exchanger tube sheet as claimed in claim 4, which is characterized in that
Filler is provided between the metal reinforcement and the tube sheet ontology.
6. silicon carbide heat exchanger tube sheet as claimed in claim 5, which is characterized in that
Any one of the material of the filler in glass, carbon fiber or silicon carbide.
7. silicon carbide heat exchanger tube sheet as claimed in claim 2, which is characterized in that
The first surface and the second surface are provided with waterline.
8. silicon carbide heat exchanger tube sheet as described in claim 1, which is characterized in that
The material of the tube sheet ontology is selected from polytetrafluoroethylene (PTFE), fluorinated ethylene propylene copolymer, tetrafluoroethylene-perfluoro alkoxy second Any one in alkenyl ether copolymer or ethylene-tetrafluoroethylene copolymer.
9. silicon carbide heat exchanger tube sheet as described in claim 1, which is characterized in that
Any one of the material of the metal reinforcement in carbon steel, stainless steel or aluminium alloy.
10. a kind of silicon carbide heat exchanger, which is characterized in that
The silicon carbide heat exchanger includes such as the described in any item silicon carbide heat exchanger tube sheets of claim 1-9;And
Multiple carborundum tubes;Multiple carborundum tubes are arranged in the pore of the silicon carbide heat exchanger tube sheet.
CN201820676330.6U 2018-05-07 2018-05-07 Silicon carbide heat exchanger tube sheet and silicon carbide heat exchanger Active CN208282671U (en)

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Application Number Priority Date Filing Date Title
CN201820676330.6U CN208282671U (en) 2018-05-07 2018-05-07 Silicon carbide heat exchanger tube sheet and silicon carbide heat exchanger

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Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108458622A (en) * 2018-05-07 2018-08-28 无锡英罗唯森科技有限公司 Silicon carbide heat exchanger tube sheet and silicon carbide heat exchanger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108458622A (en) * 2018-05-07 2018-08-28 无锡英罗唯森科技有限公司 Silicon carbide heat exchanger tube sheet and silicon carbide heat exchanger

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