CN110243225B - Round block hole type silicon carbide heat exchanger - Google Patents
Round block hole type silicon carbide heat exchanger Download PDFInfo
- Publication number
- CN110243225B CN110243225B CN201910644159.XA CN201910644159A CN110243225B CN 110243225 B CN110243225 B CN 110243225B CN 201910644159 A CN201910644159 A CN 201910644159A CN 110243225 B CN110243225 B CN 110243225B
- Authority
- CN
- China
- Prior art keywords
- cover plate
- upper cover
- shell
- silicon carbide
- lower cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 38
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 239000000498 cooling water Substances 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical class [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical class BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000012266 salt solution Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a round block hole type silicon carbide heat exchanger which comprises a shell, an upper cover plate and a lower cover plate, wherein a cylinder body is fixedly connected to one end face of the upper cover plate and sleeved at one end of the shell, the cylinder body is connected with a shell flange, the lower cover plate is connected with the shell far away from the upper cover plate end flange, silicon carbide heat exchange blocks are arranged in the shell and the cylinder body, through holes are formed in the upper cover plate and the lower cover plate, an upper sealing head and a lower sealing head are respectively arranged at two ends of the silicon carbide heat exchange blocks, the upper sealing head and the lower sealing head respectively penetrate through the through holes of the upper cover plate and the lower cover plate and are respectively pressed through the upper cover plate and the lower cover plate, and material openings are formed in the upper sealing head and the lower sealing head. The round block hole type silicon carbide heat exchanger provided by the invention has the advantages of good heat exchange effect, long service life and small volume.
Description
Technical Field
The invention relates to the field of heat exchangers, in particular to a round block hole type silicon carbide heat exchanger.
Background
Heat exchangers are devices that transfer a portion of the heat of a hot fluid to a cold fluid, and are important in chemical, petroleum, power, food, and many other industrial processes. Wherein the metal heat exchanger has poor corrosion resistance and short service life. In the nonmetallic heat exchanger, the graphite heat exchanger is brittle because of the graphite material, has low strength, low high temperature resistance and low high pressure resistance, and has poor corrosion resistance to some strong acid and inorganic matters, and the enamel heat exchanger is easy to produce porcelain explosion in a rapid cooling and rapid heating state. The silicon carbide tube type heat exchanger is easy to generate sealing failure and other phenomena in the use process, and the use temperature of the silicon carbide tube type heat exchanger cannot be too high because the silicon carbide tube type heat exchanger is limited by the material of a tube plate. Therefore, a novel heat exchanger with high corrosion resistance and high temperature resistance is highly demanded.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the round block hole type silicon carbide heat exchanger which is compact in structure, corrosion-resistant, long in service life and convenient to popularize.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the round block hole type silicon carbide heat exchanger comprises a shell, an upper cover plate and a lower cover plate, wherein a cylinder body is fixedly connected to one end face of the upper cover plate and sleeved at one end of the shell, the cylinder body is connected with a shell flange, the lower cover plate is connected with the shell far away from the upper cover plate end flange, a silicon carbide heat exchange block is arranged in the shell and the cylinder body, a gap is reserved between the silicon carbide heat exchange block and the shell and the cylinder body, through holes are formed in the upper cover plate and the lower cover plate, an upper sealing head and a lower sealing head are respectively arranged at two ends of the silicon carbide heat exchange block, the upper sealing head and the lower sealing head respectively penetrate through the through holes of the upper cover plate and the lower cover plate and are respectively compressed through the upper cover plate and the lower cover plate, material openings are respectively formed in the upper sealing head and the lower sealing head, and a transverse baffle plate and a longitudinal baffle plate which are vertically staggered are arranged at the relative positions of the silicon carbide heat exchange block;
the casing is kept away from the tip and the side of upper cover plate on be equipped with the cooling water export with the inside intercommunication of casing, the casing is close to the tip and be equipped with the cooling water entry with the inside intercommunication of casing on the side of upper cover plate, be equipped with the relief vent with the inside intercommunication of barrel on the upper cover plate, be equipped with on the lower cover plate with the inside intercommunication of casing arrange clean mouth, be equipped with elasticity compensation arrangement between upper cover plate and the casing.
As an improvement, the elastic compensation device comprises a spring bin arranged outside the shell and screw columns of which the two ends respectively penetrate through the upper cover plate and the spring bin, wherein a first locking nut is arranged at the end part of the screw column penetrating through the upper cover plate, the screw columns penetrate through flange structures of the shell and the cylinder body, a spring is arranged in the spring bin and is sleeved on the screw column, and a second locking nut is arranged at the end of the screw column penetrating through the spring bin.
As an improvement, a stop block is arranged between the threaded column and the flange structure of the shell.
As an improvement, the silicon carbide heat exchange block is cylindrical.
As an improvement, the upper end socket and the lower end socket are made of silicon carbide.
As an improvement, a sealing ring is arranged between the shell and the cylinder.
As an improvement, the outer sides of the emptying port and the exhaust port are respectively provided with a detachable sealing head.
The beneficial effects of the invention are as follows:
the silicon carbide material used in the invention can normally work at high temperature above 1000 ℃, has stronger corrosion resistance, and can resist strong acid (such as sulfuric acid, hydrofluoric acid, nitric acid, hydrochloric acid and the like), strong alkali, halogenated compounds, bromine, salt solution and other organic compounds. The silicon carbide has high strength, the strength is inferior to that of diamond, and the silicon carbide material is wear-resistant and can bear medium with higher flow velocity, so that the heat exchange area of the silicon carbide heat exchanger is smaller than that of other material heat exchangers under the same heat exchange effect, the equipment is smaller in volume and easier to operate. The silicon carbide heat exchanger has high channel smoothness, difficult scaling, easy cleaning and long service life.
The lower extreme of upper cover plate is the barrel, carries out radial seal through sealing washer and casing, wraps up whole carborundum head (upper head and low head) in the casing, has further improved the heat transfer effect, and elastic compensation device plays the automatic compensation effect of expend with heat and contract with cold, and the spring adopts the structure of inverting, can reduce the installation height of equipment, saves the space of installation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
Detailed Description
Specific embodiments of the present invention will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, a round block hole type silicon carbide heat exchanger comprises a shell 1, an upper cover plate 2 and a lower cover plate 3, wherein a cylinder 21 is fixedly connected to one end face of the upper cover plate 2, the cylinder 21 is sleeved at one end of the shell 1, the cylinder 21 is in flange connection with the shell 1, the lower cover plate 3 is in flange connection with the end of the shell 1 far away from the upper cover plate 2, a silicon carbide heat exchange block 4 is arranged in the shell 1 and the cylinder 21, gaps are reserved between the silicon carbide heat exchange block 4 and the shell 1 and the cylinder 21, through holes are formed in the upper cover plate 2 and the lower cover plate 3, an upper seal head 5 and a lower seal head 6 are respectively arranged at two ends of the silicon carbide heat exchange block 4, the upper seal head 5 and the lower seal head 6 respectively penetrate through the through holes of the upper cover plate 2 and the lower cover plate 3 and are respectively pressed by the upper cover plate 2 and the lower cover plate 3, material openings 7 are respectively arranged on the upper seal head 5 and the lower seal head 6, and a transverse baffle 41 and a longitudinal baffle 42 which are vertically staggered relative positions are arranged on the silicon carbide heat exchange block 4;
the casing 1 is kept away from the tip and the side of upper cover plate 2 on be equipped with the inside cooling water export 8 of intercommunication of casing 1, the casing 1 is close to the tip and be equipped with on the side of upper cover plate 2 with the inside cooling water entry 22 of intercommunication of casing 1, be equipped with on the upper cover plate 2 with barrel 21 the inside atmospheric vent 23 of intercommunication, be equipped with on the lower cover plate 3 with the inside discharge opening 31 of intercommunication of casing 1, be equipped with elasticity compensation arrangement 9 between upper cover plate 2 and the casing 1.
The elastic compensation device 9 comprises a spring bin 91 arranged outside the shell 1 and a threaded column 92 with two ends penetrating through the upper cover plate 2 and the spring bin 91 respectively, a first locking nut 96 is arranged at the end part of the threaded column 92 penetrating through the upper cover plate 2, the threaded column 92 penetrates through the flange structures of the shell 1 and the cylinder 21, a spring 93 is arranged in the spring bin 91 and sleeved on the threaded column 92, and a second locking nut 95 is arranged at the end of the threaded column 92 penetrating through the spring bin 91.
A stop 94 is provided between the threaded post 92 and the flange structure of the housing 1.
The silicon carbide heat exchange block 4 is cylindrical.
The upper seal head 5 and the lower seal head 6 are made of silicon carbide.
A sealing ring 10 is arranged between the shell 1 and the cylinder 21.
The outer sides of the vent 23 and the drain 31 are provided with detachable sealing heads 11.
In the use process of the device, the sealing head 11 seals the emptying port 23 and the discharging port 31 (in threaded connection), cooling water enters from the cooling water inlet 22, materials enter from the material port 7 of the upper sealing head 5, the materials are discharged to the material port 7 of the lower sealing head 6 through the longitudinal channel 42 (the longitudinal baffle 42 is communicated with the material port 7), the longitudinal baffle 42 and the transverse baffle 41 circulate the materials, the cooling water enters through the cooling water inlet 22, the cooling water is discharged to the cooling water outlet 8 through a gap reserved between the silicon carbide heat exchange block 4 and the shell 1 and the cylinder 21 and exchanges heat with the materials, and after the heat exchange is finished, the sealing head 11 on the emptying port 23 and the discharging port 31 is opened to discharge the left cooling water from the discharging port 31.
The above description is illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, but is to be accorded the full scope of the claims.
Claims (1)
1. The utility model provides a circle piece hole type carborundum heat exchanger, its characterized in that includes casing (1), upper cover plate (2) and lower cover plate (3), fixedly connected with barrel (21) and barrel (21) cup joint the one end at casing (1) on the terminal surface of upper cover plate (2), barrel (21) and casing (1) flange joint, lower cover plate (3) are kept away from upper cover plate (2) end flange joint with casing (1), the inside of casing (1) and barrel (21) is equipped with carborundum heat transfer block (4) and leaves the space between carborundum heat transfer block (4) and casing (1) and barrel (21), be equipped with the through-hole on upper cover plate (2) and lower cover plate (3), the both ends of carborundum heat transfer block (4) are equipped with upper cover plate (5) and lower cover plate (6) respectively, upper cover plate (5) and lower cover plate (6) pass the through-hole of upper cover plate (2) and lower cover plate (3) respectively and compress tightly through upper cover plate (3) end flange joint, upper cover plate (4) and lower cover plate (6) are respectively, upper cover plate (4) and lower cover plate (4) are equipped with baffle plate (4) vertical position baffle (42);
the shell (1) is far away from the end part of the upper cover plate (2) and is provided with a cooling water outlet (8) communicated with the interior of the shell (1) on the side surface, the shell (1) is close to the end part of the upper cover plate (2) and is provided with a cooling water inlet (22) communicated with the interior of the shell (1) on the side surface, the upper cover plate (2) is provided with a vent (23) communicated with the interior of the cylinder body (21), the lower cover plate (3) is provided with a cleaning outlet (31) communicated with the interior of the shell (1), and an elastic compensation device (9) is arranged between the upper cover plate (2) and the shell (1);
the elastic compensation device (9) comprises a spring bin (91) arranged on the outer side of the shell (1) and a threaded column (92) with two ends penetrating through the upper cover plate (2) and the spring bin (91) respectively, a first locking nut (96) is arranged at the end part of the threaded column (92) penetrating through the upper cover plate (2), the threaded column (92) penetrates through the flange structures of the shell (1) and the cylinder body (21), a spring (93) is arranged in the spring bin (91) and sleeved on the threaded column (92), and a second locking nut (95) is arranged at the end of the threaded column (92) penetrating through the spring bin (91);
a stop block (94) is arranged between the threaded column (92) and the flange structure of the shell (1);
the silicon carbide heat exchange block (4) is cylindrical;
the upper seal head (5) and the lower seal head (6) are made of silicon carbide;
a sealing ring (10) is arranged between the shell (1) and the cylinder (21);
the outer sides of the emptying port (23) and the exhaust port (31) are respectively provided with a detachable sealing head (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644159.XA CN110243225B (en) | 2019-07-17 | 2019-07-17 | Round block hole type silicon carbide heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910644159.XA CN110243225B (en) | 2019-07-17 | 2019-07-17 | Round block hole type silicon carbide heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110243225A CN110243225A (en) | 2019-09-17 |
| CN110243225B true CN110243225B (en) | 2024-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910644159.XA Active CN110243225B (en) | 2019-07-17 | 2019-07-17 | Round block hole type silicon carbide heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110243225B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645813A (en) * | 2019-10-15 | 2020-01-03 | 南通双睿节能环保科技有限公司 | Pressureless silicon carbide heat exchange membrane core |
| CN112503992A (en) * | 2020-11-25 | 2021-03-16 | 南通三圣石墨设备科技股份有限公司 | Anti-drift low-energy-consumption silicon carbide round block hole type heat exchanger |
| CN114294991B (en) * | 2021-12-01 | 2023-10-24 | 浙江搏克换热科技有限公司 | Adjustable buffer type impact-resistant mechanism and coiled tube type heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1422488A2 (en) * | 2002-11-19 | 2004-05-26 | Tycon Technoglass S.r.l. | A heat exchanger with a silicon carbide set of tubes and tube plates in enamelled steel |
| KR20040091867A (en) * | 2003-04-22 | 2004-11-02 | 박용묵 | A heat exchanger of shell - tube type having silicon carbide tube |
| CN101050929A (en) * | 2007-05-18 | 2007-10-10 | 东莞理工学院 | Mixed heat accumulation method and device for hightemperature and inclined temperature layer in melting salt |
| CN101338983A (en) * | 2008-08-13 | 2009-01-07 | 王元平 | Heat exchanger |
| CN102455148A (en) * | 2010-10-25 | 2012-05-16 | 南通京通石墨设备有限公司 | Block-hole-type graphite heat exchanger with Integrally detachable seal ends |
| CN104759106A (en) * | 2015-04-15 | 2015-07-08 | 南通晨光石墨设备有限公司 | High-pressure-resistant round block graphite evaporator |
| CN104880105A (en) * | 2015-05-27 | 2015-09-02 | 江阴市森博特种换热设备有限公司 | Single-tube sealed type silicon carbide tubular heat exchanger |
| CN106017144A (en) * | 2016-07-11 | 2016-10-12 | 南通星球石墨设备有限公司 | Round block hole type graphite heat exchanger |
| CN106679463A (en) * | 2015-11-11 | 2017-05-17 | 江阴市森博特种换热设备有限公司 | Silicon carbide shell-and-tube heat exchanger |
| CN208920922U (en) * | 2018-09-04 | 2019-05-31 | 王若锴 | A kind of silicon carbide heat exchanger |
| CN210154409U (en) * | 2019-07-17 | 2020-03-17 | 南通三圣石墨设备科技股份有限公司 | Round block hole type silicon carbide heat exchanger |
-
2019
- 2019-07-17 CN CN201910644159.XA patent/CN110243225B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1422488A2 (en) * | 2002-11-19 | 2004-05-26 | Tycon Technoglass S.r.l. | A heat exchanger with a silicon carbide set of tubes and tube plates in enamelled steel |
| KR20040091867A (en) * | 2003-04-22 | 2004-11-02 | 박용묵 | A heat exchanger of shell - tube type having silicon carbide tube |
| CN101050929A (en) * | 2007-05-18 | 2007-10-10 | 东莞理工学院 | Mixed heat accumulation method and device for hightemperature and inclined temperature layer in melting salt |
| CN101338983A (en) * | 2008-08-13 | 2009-01-07 | 王元平 | Heat exchanger |
| CN102455148A (en) * | 2010-10-25 | 2012-05-16 | 南通京通石墨设备有限公司 | Block-hole-type graphite heat exchanger with Integrally detachable seal ends |
| CN104759106A (en) * | 2015-04-15 | 2015-07-08 | 南通晨光石墨设备有限公司 | High-pressure-resistant round block graphite evaporator |
| CN104880105A (en) * | 2015-05-27 | 2015-09-02 | 江阴市森博特种换热设备有限公司 | Single-tube sealed type silicon carbide tubular heat exchanger |
| CN106679463A (en) * | 2015-11-11 | 2017-05-17 | 江阴市森博特种换热设备有限公司 | Silicon carbide shell-and-tube heat exchanger |
| CN106017144A (en) * | 2016-07-11 | 2016-10-12 | 南通星球石墨设备有限公司 | Round block hole type graphite heat exchanger |
| CN208920922U (en) * | 2018-09-04 | 2019-05-31 | 王若锴 | A kind of silicon carbide heat exchanger |
| CN210154409U (en) * | 2019-07-17 | 2020-03-17 | 南通三圣石墨设备科技股份有限公司 | Round block hole type silicon carbide heat exchanger |
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| CN110243225A (en) | 2019-09-17 |
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