CN203053273U - Double-tube-plate U-shaped heat exchanger - Google Patents
Double-tube-plate U-shaped heat exchanger Download PDFInfo
- Publication number
- CN203053273U CN203053273U CN 201220749766 CN201220749766U CN203053273U CN 203053273 U CN203053273 U CN 203053273U CN 201220749766 CN201220749766 CN 201220749766 CN 201220749766 U CN201220749766 U CN 201220749766U CN 203053273 U CN203053273 U CN 203053273U
- Authority
- CN
- China
- Prior art keywords
- tube
- shaped heat
- heat exchanger
- plate
- end socket
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a double-tube-plate U-shaped heat exchanger. The double-tube-plate U-shaped heat exchanger comprises a shell body, an end cover, a U-shaped heat exchanging tube and baffle plates, wherein a shell pass medium inlet and a shell pass medium outlet are formed in the shell body, a tube pass medium inlet and a tube pass medium outlet are formed in the end cover, a partition plate which divides the end cover into two medium cavities is arranged in the middle of the end cover, a tube hole is formed in the baffle plate, the U-shaped heat exchanging tube passes through the tube hole, and the baffle plates are arranged on the inner wall of the shell body in a staggered mode to limit a flowing path of shell pass mediums. The double-tube-plate U-shaped heat exchanger is characterized in that an inner tube plate is arranged at a medium inlet end of the shell body, an opening end of the end cover is connected with an outer tube plate, gaps are reserved between the inner tube plate and the outer tube plate and are connected to form an isolation chamber through Huff pup joints, and an inlet and an outlet of the U-shaped heat exchanging tube are communicated with the two medium cavities. The double-tube-plate U-shaped heat exchanger effectively isolates contact between tube pass mediums and the shell cover mediums.
Description
Technical field
The utility model relates to heat transmission equipment, particularly the U-shaped heat exchanger of a kind of double tubesheet.
Background technology
The heat exchanger seepage is the most common equipment control problem during heat exchanger uses, seepage is mainly corroded and is caused, small part is that the corrosion form of heat exchanger has two kinds substantially: electrochemical corrosion and chemical attack owing to the manufacturing process defective of heat exchanger type selecting and heat exchanger itself.Existing U-shaped heat exchange of heat pipe is when making, and manual electric arc welding is generally adopted in the welding of tube sheet and heat exchanger tube, and there is defective in various degree in weld shape, and as depression, pore, slag inclusion etc., the distribution of weld stress is also inhomogeneous.Tube sheet contacts with the shell side medium with the weld of heat exchanger tube during use, and the impurity in the shell side medium, salt, gas, microorganism all can constitute the corrosion of butt welded seam, make the mutual seepage of two media, doping, influence product quality and have potential safety hazard, at this moment, need repairing or switching heat-exchanger more, increase production cost.
In sum, need especially a kind ofly can effectively completely cut off the U-shaped heat exchanger of double tubesheet that the tube side medium contacts with the shell side medium, to address the above problem.
The utility model content
The purpose of this utility model is to provide a kind of double tubesheet U-shaped heat exchanger.
The technical problem that the utility model solves can realize by the following technical solutions:
The U-shaped heat exchanger of double tubesheet, comprise housing, end socket, U-shaped heat exchanger tube and deflection plate, described housing is provided with the import of shell side medium and shell side media outlet, described end socket is provided with the import of tube side medium and tube side media outlet, described end socket middle part is provided with the dividing plate that end socket is divided into two dielectric cavity, offer the pore that passes for U-shaped heat exchanger tube on the described deflection plate, described deflection plate is staggered to be installed in described inner walls to limit the flow circuits of shell side medium, it is characterized in that, the medium upstream end of described housing is provided with internal tube plate, the openend of described end socket is connected with an outer tube plate, leave the space between described internal tube plate and the described outer tube plate and connect to form a separate cavities by breathing out the furan pipe nipple, the import of described U-shaped heat exchanger tube and outlet are communicated with two dielectric cavity of described end socket.
Preferably, described internal tube plate inboard is provided with some screws, and described screw is provided with for the fixed bar that supports U-shaped heat exchanger tube.
Preferably, the inboard of described outer tube plate is provided with the porus excretorius that some and described separate cavities is communicated with.
Preferably, the arranged outside of described outer tube plate has bolt hole, and is connected by bolt with the flange of described end socket.
Preferably, be provided with sealing gasket between the flange of described outer tube plate and described end socket.
Owing to adopted above-mentioned technical scheme, separate cavities of the present utility model makes tube sheet not contact with the shell side medium with the weld of U-shaped heat exchanger tube, guarantee that weld seam is not subjected to the shell side dielectric corrosion, effectively isolated tube side medium contacts with the shell side medium, prevent mutual seepage and the doping of two media, the U-shaped heat exchanger tube of fixed rod support reduces U-shaped heat exchanger tube to the pulling force of tube sheet simultaneously, and outer tube plate is connected by bolt with the flange of end socket is convenient to loading and unloading, cleaning, replacing.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the profilograph of Fig. 1.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to illustrated in figures 1 and 2, the U-shaped heat exchanger of double tubesheet comprises housing 10, end socket 20, U-shaped heat exchanger tube 30 and deflection plate 40, and housing 10 is provided with shell side medium import 11, shell side media outlet 12 and on-condensible gas outlet 14, and the bottom is equipped with saddle 13.
Offer the pore that passes for U-shaped heat exchanger tube 30 on the deflection plate 40, deflection plate 40 is welded on housing 10 inwalls and vertical with U-shaped heat exchanger tube 30, and adjacent two deflection plates 40 are staggered installs to limit the flow circuits of shell side medium.
The medium upstream end of housing 10 is equipped with internal tube plate 50, the openend of end socket 20 is equipped with outer tube plate 51, be connected by bolt between the flange 24 of outer tube plate 51 and end socket 20 and be provided with sealing gasket 25, leave the space between internal tube plate 50 and the outer tube plate 51 and connect to form a separate cavities 52 by breathing out furan pipe nipple 55, the inboard of outer tube plate 51 offers two porus excretoriuses 54 that are communicated with separate cavities 52, internal tube plate 50 inboards are provided with 12 screws 53, screw 53 positions are corresponding to the top of U-shaped heat exchanger tube 30, the middle part, the bottom, be equipped with on each screw 53 for the fixed bar 31 that supports U-shaped heat exchanger tube 30, the import of U-shaped heat exchanger tube 30 and outlet are communicated with two dielectric cavity of end socket 20.
In the process of work, separate cavities makes outer tube plate 51 not contact with the shell side medium with the weld of U-shaped heat exchanger tube 30, guarantee that weld seam is not subjected to the shell side dielectric corrosion, effectively isolated tube side fluid contacts with shell-side fluid, prevent mutual seepage and the doping of two kinds of fluids, guarantee that two kinds of fluids are separate in the heat transfer process; Fixed bar 31 supports U-shaped heat exchanger tube 30, reduces in 30 pairs of the U-shaped heat exchanger tubes, outer tube plate 50,51 pulling force, and outer tube plate 51 is connected by bolt with the flange 24 of end socket 20 is convenient to loading and unloading, cleaning, replacing.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. the U-shaped heat exchanger of double tubesheet, comprise housing, end socket, U-shaped heat exchanger tube and deflection plate, described housing is provided with the import of shell side medium and shell side media outlet, described end socket is provided with the import of tube side medium and tube side media outlet, described end socket middle part is provided with the dividing plate that end socket is divided into two dielectric cavity, offer the pore that passes for U-shaped heat exchanger tube on the described deflection plate, described deflection plate is staggered to be installed in described inner walls to limit the flow circuits of shell side medium, it is characterized in that, the medium upstream end of described housing is provided with internal tube plate, the openend of described end socket is connected with an outer tube plate, leave the space between described internal tube plate and the described outer tube plate and connect to form a separate cavities by breathing out the furan pipe nipple, the import of described U-shaped heat exchanger tube and outlet are communicated with two dielectric cavity of described end socket.
2. the U-shaped heat exchanger of double tubesheet as claimed in claim 1 is characterized in that, described internal tube plate inboard is provided with some screws, and described screw is provided with for the fixed bar that supports U-shaped heat exchanger tube.
3. the U-shaped heat exchanger of double tubesheet as claimed in claim 1 is characterized in that, the inboard of described outer tube plate is provided with the porus excretorius that some and described separate cavities is communicated with.
4. the U-shaped heat exchanger of double tubesheet as claimed in claim 1 is characterized in that, the arranged outside of described outer tube plate has bolt hole, and is connected by bolt with the flange of described end socket.
5. the U-shaped heat exchanger of double tubesheet as claimed in claim 4 is characterized in that, is provided with sealing gasket between the flange of described outer tube plate and described end socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749766 CN203053273U (en) | 2012-12-31 | 2012-12-31 | Double-tube-plate U-shaped heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749766 CN203053273U (en) | 2012-12-31 | 2012-12-31 | Double-tube-plate U-shaped heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203053273U true CN203053273U (en) | 2013-07-10 |
Family
ID=48736219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220749766 Expired - Fee Related CN203053273U (en) | 2012-12-31 | 2012-12-31 | Double-tube-plate U-shaped heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203053273U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110981A (en) * | 2014-08-01 | 2014-10-22 | 张家港化工机械股份有限公司 | U-shaped-pipe heat exchanger |
| CN104110999A (en) * | 2014-08-01 | 2014-10-22 | 张家港化工机械股份有限公司 | Inlet side tube box for titanium composite plate multi-tube-pass heat exchanger |
| CN109764698A (en) * | 2019-02-27 | 2019-05-17 | 浙江阿尔法化工科技有限公司 | Liquid nitrogen refrigerant heat exchanger and its application method |
-
2012
- 2012-12-31 CN CN 201220749766 patent/CN203053273U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110981A (en) * | 2014-08-01 | 2014-10-22 | 张家港化工机械股份有限公司 | U-shaped-pipe heat exchanger |
| CN104110999A (en) * | 2014-08-01 | 2014-10-22 | 张家港化工机械股份有限公司 | Inlet side tube box for titanium composite plate multi-tube-pass heat exchanger |
| CN104110981B (en) * | 2014-08-01 | 2016-08-24 | 苏州天沃科技股份有限公司 | U-tube heat exchanger |
| CN109764698A (en) * | 2019-02-27 | 2019-05-17 | 浙江阿尔法化工科技有限公司 | Liquid nitrogen refrigerant heat exchanger and its application method |
| CN109764698B (en) * | 2019-02-27 | 2024-01-05 | 浙江阿尔法化工科技有限公司 | Liquid nitrogen refrigerant heat exchanger and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101614496A (en) | Heating medium double tube plate heat exchanger | |
| CN203053273U (en) | Double-tube-plate U-shaped heat exchanger | |
| CN102937387A (en) | Full-assembled type sterile shell-and-tube exchanger with double tube plates | |
| CN204461154U (en) | Deflector type floating head heat exchanger | |
| CN103884213A (en) | Corrosion-resistant shell and tube heat exchanger | |
| CN201444007U (en) | Detachable spiral plate heat exchanger | |
| CN204630436U (en) | A kind of new type of plate pipe heat exchanger | |
| CN201962369U (en) | Tube type electrolytic tank set | |
| CN203949545U (en) | A kind of shell-and-tube exchanger channel structure | |
| CN203053268U (en) | Double-tube-plate heat exchanger | |
| CN203980971U (en) | A kind of thin-walled spiral-plate heat exchanger | |
| CN201514139U (en) | Double pipe plate type heat exchanger | |
| CN202675999U (en) | Structure of heat exchanger | |
| CN201449187U (en) | Tube type heat exchanger | |
| CN103542742A (en) | Core-pulling heat exchanger | |
| CN201449195U (en) | Heating-medium double-tube plate heat exchanger | |
| CN204128424U (en) | The inlet side bobbin carriage of titanium composite panel multi-tube pass heat exchanger | |
| CN203534267U (en) | Heat exchanger | |
| CN203980954U (en) | A kind of Modified filler letter heat exchanger | |
| CN203893711U (en) | Direct condensation multi-pipe type heat exchange device | |
| CN202692114U (en) | Horizontal type durable air preheater | |
| CN204693771U (en) | A kind of electric heater unit that can bear high pressure | |
| CN204286179U (en) | Spiral heat exchanger | |
| CN204115528U (en) | A kind of lower supporting type graphite heat exchanger | |
| CN204007221U (en) | A kind of single tube journey movable tube sheets heat exchanger with expansion joint guider |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20181231 |