CN204806933U - Medium mixes heat exchanger extremely - Google Patents
Medium mixes heat exchanger extremely Download PDFInfo
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- CN204806933U CN204806933U CN201520529670.2U CN201520529670U CN204806933U CN 204806933 U CN204806933 U CN 204806933U CN 201520529670 U CN201520529670 U CN 201520529670U CN 204806933 U CN204806933 U CN 204806933U
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- tube sheet
- medium
- tube plate
- heat exchanger
- outer tube
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Abstract
The utility model relates to a medium mixes heat exchanger extremely, it includes barrel (1), the both ends of barrel (1) are provided with outer tube sheet (3) that are used for welded fastening heat transfer tubulation (2) end, pipe case (4) that outer tube sheet (3) and both sides were used for saving the high temperature corrosion medium through bolt locking joint barrel (1) inside be provided with interior tube sheet (5), heat transfer tubulation (2) are passed interior tube sheet (5) and are expanded through intensity and fix between outer tube sheet (3) and interior tube sheet (4) vacuole formation (6), be provided with in cavity (6) and prevent mixing plate washer (7), should prevent that mixed plate washer (7) are divided into two cavities with cavity (6) and are used for connecing the medium of depositing by a tub case (4) and barrel (1) inflow respectively, all were provided with leakage fluid dram (8) in the bottom of two cavities simultaneously. The utility model discloses can prevent to leak the corrosive medium mixture that causes, the security that improves the heat exchanger, risk reduction because of the tube sheet.
Description
Technical field
The utility model relates to a kind of two media absolutely not can mixed heat exchanger, for two media absolutely not blendable metal pipe shell type heat exchange device.Belong to pressure vessel technology field.
Background technology
Current metal shell-and-tube heat exchanger is mainly divided into single tube sheet heat exchanger and double tube plate heat exchanger, and tubulation welding edges seals by single tube sheet heat exchanger mainly through offer pore on tube sheet after; And double tube plate heat exchanger mainly comprises two pieces of inside and outside tube sheets be set up in parallel, intensity swelling technique between interior pipe and tubulation, welding procedure between outer tube and tubulation, thus obtain strength of joint and sealing.These two kinds of heat exchangers are when for two kinds of immiscible media, when heating to boiler soft water as by high-temperature concentrated sulfuric acid, if swelling place of exchanger tubes and tubesheets or weld are in use, because of the acting in conjunction of thermal (temperature difference) stress and pressure, there is the factors such as latent defect during fabrication causes the weld seam of tube head and tube sheet to produce micro-crack, swelling place produces and loosens, thus cause leaking, so high-temperature concentrated sulfuric acid will mix the sulfuric acid solution becoming height and corrode with boiler soft water, not only can cause serious corrosion and damage by heat exchanger, and corrosivity sulfuric acid can flow in other equipment such as rear end and causes corrosion and damage.When under other working condition, two kinds of never blendable media mix because leaking, and the security incident such as may set off an explosion.
Utility model content
Technical problem to be solved in the utility model provides a kind of medium definitely to not mixed heat exchanger for above-mentioned prior art, the corrosivity that causes or other never blendable medium because tube sheet leaks can be prevented, improve the security of heat exchanger, reduce risk.
The technical scheme in the invention for solving the above technical problem is: the exhausted mixed heat exchanger of a kind of medium, it comprises cylindrical shell, the two ends of described cylindrical shell are provided with the outer tube plate for being welded and fixed heat exchanging pipe termination, the bobbin carriage that described outer tube plate and both sides are used for storing high temperature corrosion medium is connected by bolt-locking, described inner barrel is provided with internal tube plate, heat exchanging pipe is passed internal tube plate and is fixed by the swollen mode of intensity, formed between described outer tube plate and internal tube plate for connect deposit leaking medium without pressure cavities (calling cavity in the following text), anti-mixing damper is provided with in cavity, cavity is divided into two chambers to be respectively used to connect the medium deposited and flowed into by bobbin carriage and cylindrical shell by this anti-mixing damper, be provided with leakage fluid dram in the bottom of two chambers simultaneously.
Compared with prior art, the utility model has the advantage of:
The utility model adopts the form location heat exchanging pipe of inside and outside double tubesheet, and cavity is formed between two tube sheets, for connecing the medium deposited and leak from both sides, and open completely isolated for two kinds of immiscible media by arranging anti-mixing damper in cavity, avoid mixing, cause device damage, substantially increase service life of equipment and security.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein:
Cylindrical shell 1
Heat exchanging pipe 2
Outer tube plate 3
Bobbin carriage 4
Internal tube plate 5
Cavity 6
Anti-mixing damper 7
Leakage fluid dram 8.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figure 1, the exhausted mixed heat exchanger of a kind of medium in the present embodiment, comprise cylindrical shell 1, described cylindrical shell 1 inside is provided with the many heat exchanging pipes be arranged in parallel 2, the two ends of described cylindrical shell 1 are provided with the outer tube plate 3 fixing heat exchanging pipe 2 termination for welded seal, the bobbin carriage 4 that described outer tube plate 3 and both sides are used for storing high-temperature concentrated sulfuric acid medium or other medium is connected by bolt-locking, described cylindrical shell 1 inside is provided with internal tube plate 5, heat exchanging pipe 2 is passed internal tube plate 5 and is fixed by intensity swelling mode, formed for connecing the cavity 6 depositing leaking medium between described outer tube plate 3 and internal tube plate 5, anti-mixing damper 7 is provided with in cavity 6, cavity 6 is divided into two chambers to be respectively used to connect the medium deposited and flowed into by bobbin carriage 4 and cylindrical shell 1 by this anti-mixing damper 7, can the two media mixing of Leakage prevention by the effect of anti-mixing damper 7, be provided with leakage fluid dram 8 in the bottom of two chambers simultaneously.
High-temperature concentrated sulfuric acid (first medium) flows in heat exchanging pipe 2 by bobbin carriage 4 being provided with after inlet enters bobbin carriage, boiler soft water (second medium) enters in cylindrical shell 1 by the water inlet on cylindrical shell 1 simultaneously, carries out heating make boiler soft water become high-temperature water with road utilization after an action of the bowels by the high-temperature concentrated sulfuric acid in heat exchanging pipe.
In addition to the implementation, the utility model also includes other embodiments, the technical scheme that all employing equivalents or equivalent substitute mode are formed, within the protection domain that all should fall into the utility model claim.
Claims (1)
1. the exhausted mixed heat exchanger of medium, it comprises cylindrical shell (1), the two ends of described cylindrical shell (1) are provided with the outer tube plate (3) for being welded and fixed heat exchanging pipe (2) termination, described outer tube plate (3) and both sides are used for the bobbin carriage (4) of storage medium and are connected by bolt-locking, described cylindrical shell (1) inside is provided with internal tube plate (5), heat exchanging pipe (2) is through internal tube plate (5) and fixed by the swollen mode of intensity, it is characterized in that: formed between described outer tube plate (3) and internal tube plate (5) for connect deposit leaking medium without pressure cavities (6), anti-mixing damper (7) is provided with in cavity (6), cavity (6) is divided into two chambers to be respectively used to connect the medium deposited and flowed into by bobbin carriage (4) and cylindrical shell (1) by this anti-mixing damper (7), be provided with leakage fluid dram (8) in the bottom of two chambers simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529670.2U CN204806933U (en) | 2015-07-21 | 2015-07-21 | Medium mixes heat exchanger extremely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529670.2U CN204806933U (en) | 2015-07-21 | 2015-07-21 | Medium mixes heat exchanger extremely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204806933U true CN204806933U (en) | 2015-11-25 |
Family
ID=54591745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520529670.2U Active CN204806933U (en) | 2015-07-21 | 2015-07-21 | Medium mixes heat exchanger extremely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204806933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166999A (en) * | 2017-06-30 | 2017-09-15 | 高志男 | Heat exchanger and apply its vehicle |
| CN108800994A (en) * | 2018-06-15 | 2018-11-13 | 淮阴工学院 | Horizontal heat exchanger |
-
2015
- 2015-07-21 CN CN201520529670.2U patent/CN204806933U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166999A (en) * | 2017-06-30 | 2017-09-15 | 高志男 | Heat exchanger and apply its vehicle |
| CN107166999B (en) * | 2017-06-30 | 2024-01-12 | 高志男 | Heat exchanger and vehicle using same |
| CN108800994A (en) * | 2018-06-15 | 2018-11-13 | 淮阴工学院 | Horizontal heat exchanger |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |