CN203053268U - Double-tube-plate heat exchanger - Google Patents
Double-tube-plate heat exchanger Download PDFInfo
- Publication number
- CN203053268U CN203053268U CN 201220749746 CN201220749746U CN203053268U CN 203053268 U CN203053268 U CN 203053268U CN 201220749746 CN201220749746 CN 201220749746 CN 201220749746 U CN201220749746 U CN 201220749746U CN 203053268 U CN203053268 U CN 203053268U
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- China
- Prior art keywords
- tube
- heat exchanger
- end cover
- plates
- shell
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- Expired - Fee Related
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Abstract
The utility model discloses a double-tube-plate heat exchanger. The double-tube-plate heat exchanger comprises a heat exchanging tube, a shell body, baffle plates, an upper end cover, and a lower end cover, wherein the baffle plates are arranged on the inner wall of the shell body in a staggered mode, the upper end cover and the lower end cover are respectively arranged on a tube pass fluid inlet and a tube pass fluid outlet, and a shell pass fluid inlet and a shell pass fluid outlet are formed in the outer wall of the shell body. The double-tube-plate heat exchanger is characterized in that two ends of the shell body are respectively provided with an inner tube plate, two ends of the heat exchanging tube penetrate through the two inner tube plates and are communicated with two outer tube plates which are arranged on the outer sides of the two inner tube plates, gaps are reserved between the inner tube plates and the outer tube plates, edges of the two outer tube plates are provided with bolt holes and are respectively connected with edge flanges of the upper end cover and edges flanges of the lower end cover through bolts, seal rings are arranged between the two inner outer tube plates and the upper end cover as well as the lower end cover, and fluid cavities are formed through communication among an inner cavity of the upper end cover and an inner cavity of a lower end cover and two ends of the heat exchanging tube. Mutual seepage and mix between shell pass fluids and cover pass fluids are effectively prevented.
Description
Technical field
The utility model relates to heat transmission equipment, particularly a kind of double tube plate heat exchanger.
Background technology
Tubular heat exchanger is that chemical industry, metallurgy, medicine, electric power, heat energy etc. relate in the industry-by-industry that two kinds of fluids carry out exchange heat very common used in industry production equipment.The flow behavior of tube side fluid, shell-side fluid has material impact to the rate of heat transfer of tubular heat exchanger in the tubular heat exchanger.At present the tubular heat exchanger that moves in the industrial production substantially all be cold fluid and hot fluid respectively in tubulation two side flow, carry out exchange heat by tube wall.
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 tubular 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.Tubular heat exchanger is when making, and manual electric arc welding is generally adopted in the welding of tube sheet and tubulation, 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 shell-side fluid with the weld of tubulation during use, and the impurity in the shell-side fluid, salt, gas, microorganism all can constitute the corrosion of butt welded seam, make two kinds of mutual seepages of fluid, doping, influence product quality and have potential safety hazard, at this moment, need repairing or switching heat-exchanger more, increase production cost.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of and can effectively completely cut off the double tube plate heat exchanger that tube side fluid contacts with shell-side fluid at deficiency and the defective of existing heat exchanger.
The technical problem that the utility model solves can realize by the following technical solutions:
Double tube plate heat exchanger, comprise heat exchanger tube, housing, deflection plate and on, low head, offer the pore that passes for 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 fluid, on described, low head is respectively arranged with tube side fluid import and tube side fluid outlet, described housing outer wall is provided with shell-side fluid import and shell-side fluid outlet, it is characterized in that, described housing two ends are provided with an internal tube plate, described heat exchanger tube two ends pass described two internal tube plates and are connected with the outer tube plate that is arranged on described two internal tube plates outside, leave the space between described internal tube plate and the described outer tube plate, the edge of described two outer tube plates is provided with bolt hole and respectively with last, the edge flange of low head connects by bolt, described two outer tube plates and described on, be provided with sealing ring between the low head, described on, the cavity of low head inside is communicated with the formation fluid cavity with described heat exchanger tube two ends.
Owing to adopted above-mentioned technical scheme, double tubesheet characteristics of the present utility model make tube sheet not contact with shell-side fluid with the weld of heat exchanger tube, guarantee that weld seam is not corroded by shell-side fluid, 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, improve the quality of products, also prolonged simultaneously the service life of heat exchanger, reduced cost widely and enhance productivity.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is vertical view of the present utility model.
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 shown in Figure 1, double tube plate heat exchanger comprises heat exchanger tube 40, housing 10, is installed in the journal stirrup 13 of hull outside, deflection plate 41 and upper and lower end socket 20,21, offer the pore that passes for heat exchanger tube 40 on the deflection plate 41, deflection plate 41 is installed in housing 10 inwalls and vertical with heat exchanger tube 40, adjacent two deflection plates, the 41 staggered flow circuits of installing with the restriction shell-side fluid.
Upper and lower end socket 20,21 is respectively arranged with tube side fluid import 22 and tube side fluid outlet 24, and housing 10 outer walls are provided with shell-side fluid import 11 and shell-side fluid outlet 12.
Leave the space between internal tube plate 30 and the outer tube plate 31, the edge of two outer tube plates 31 is provided with bolt hole and is connected by bolt 26 with the edge flange 25 of upper and lower end socket respectively, be provided with sealing ring 27 between two outer tube plates 31 and the upper and lower end socket 20,21 reaching sealing effectiveness, the cavity of upper and lower end socket 20,21 inside is communicated with heat exchanger tube 40 two ends and forms fluid cavity.
In the process of work, because leave the space between internal tube plate 30 and the outer tube plate 31, outer tube plate 31 is not contacted with shell-side fluid with the weld of heat exchanger tube 40, guarantee that weld seam is not corroded by shell-side fluid, effectively isolated tube side fluid contacts with shell-side fluid, prevents mutual seepage and the doping of two kinds of fluids, guarantee that two kinds of fluids are separate in the heat transfer process, mix under the situation that can produce burning or blast when two kinds of fluids, use this double tube plate heat exchanger can stop the generation of this situation, use safety.
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 (1)
1. double tube plate heat exchanger, comprise heat exchanger tube, housing, deflection plate and on, low head, offer the pore that passes for 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 fluid, on described, low head is respectively arranged with tube side fluid import and tube side fluid outlet, described housing outer wall is provided with shell-side fluid import and shell-side fluid outlet, it is characterized in that, described housing two ends are provided with an internal tube plate, described heat exchanger tube two ends pass described two internal tube plates and are connected with the outer tube plate that is arranged on described two internal tube plates outside, leave the space between described internal tube plate and the described outer tube plate, the edge of described two outer tube plates is provided with bolt hole and respectively with last, the edge flange of low head connects by bolt, described two outer tube plates and described on, be provided with sealing ring between the low head, described on, the cavity of low head inside is communicated with the formation fluid cavity with described heat exchanger tube two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749746 CN203053268U (en) | 2012-12-31 | 2012-12-31 | Double-tube-plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749746 CN203053268U (en) | 2012-12-31 | 2012-12-31 | Double-tube-plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203053268U true CN203053268U (en) | 2013-07-10 |
Family
ID=48736215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220749746 Expired - Fee Related CN203053268U (en) | 2012-12-31 | 2012-12-31 | Double-tube-plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203053268U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422330A (en) * | 2013-09-05 | 2015-03-18 | 江苏绿叶锅炉有限公司 | Novel tube bundle of liquid chlorine carburetor |
| CN104748416A (en) * | 2015-03-26 | 2015-07-01 | 中国农业大学 | Wholly-plastic pressure-bearing double-circulation solar water tank |
| CN115574649A (en) * | 2022-11-24 | 2023-01-06 | 四川科新机电股份有限公司 | Double-tube-plate heat exchanger and machining and forming method thereof |
-
2012
- 2012-12-31 CN CN 201220749746 patent/CN203053268U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422330A (en) * | 2013-09-05 | 2015-03-18 | 江苏绿叶锅炉有限公司 | Novel tube bundle of liquid chlorine carburetor |
| CN104422330B (en) * | 2013-09-05 | 2016-06-08 | 江苏绿叶锅炉有限公司 | The tube bank of a kind of chlorine liquid carburetor |
| CN104748416A (en) * | 2015-03-26 | 2015-07-01 | 中国农业大学 | Wholly-plastic pressure-bearing double-circulation solar water tank |
| CN115574649A (en) * | 2022-11-24 | 2023-01-06 | 四川科新机电股份有限公司 | Double-tube-plate heat exchanger and machining and forming method thereof |
| CN115574649B (en) * | 2022-11-24 | 2023-03-14 | 四川科新机电股份有限公司 | Double-tube-plate heat exchanger and machining and forming method thereof |
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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 |