CN101865621A - Heat exchanger with cold fluid and hot fluid not leak through with each other - Google Patents
Heat exchanger with cold fluid and hot fluid not leak through with each other Download PDFInfo
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- CN101865621A CN101865621A CN 201010220080 CN201010220080A CN101865621A CN 101865621 A CN101865621 A CN 101865621A CN 201010220080 CN201010220080 CN 201010220080 CN 201010220080 A CN201010220080 A CN 201010220080A CN 101865621 A CN101865621 A CN 101865621A
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Abstract
The invention discloses a heat exchanger with a cold fluid and a hot fluid not leak through with each other. The shell side of a high-position cold fluid container (1) passes through the cold fluid. The shell side of a low-position hot fluid container (3) passes through the hot fluid. A hot fluid inlet (9) and a hot fluid outlet (10) are respectively installed at the top and the bottom of the hot fluid container (3). A cold fluid inlet (11) and a cold fluid outlet (12) are respectively installed at the top and the bottom of the cold fluid container (1). A condensation heat exchange tube (2) is arranged in the cold fluid container (1). An evaporation heat exchange tube (4) is arranged in the hot fluid container (3). The lower end of the condensation heat exchange tube (2) is connected with the lower end of the evaporation heat exchange tube (4) through a condensed liquid return tube (5) and the upper end of the condensation heat exchange tube (2) is connected wit the upper end of the evaporation heat exchange tube (4) through a steam ascending tube (6) to form an independent closed circulation loop. The cold fluid and the hot fluid respectively pass through two containers, the occurrence of mutual leakage between the cold fluid and the hot fluid is absolutely avoided and the operation safety of the equipment is ensured.
Description
Technical field
The present invention relates to industrial equipments such as oil, chemical industry, food, metallurgy and make field and chemical-process field, more particularly relate to a kind of heat exchanger with cold fluid and hot fluid not leak through with each other.
Background technology
Heat exchanger is important industrial general equipment, is widely used in technical process such as evaporation, condensation, cooling, heating.Traditional heat exchangers has from formal classification: tubular heat exchanger, double pipe heat exchanger, jacketed type exchanger, plate type heat exchanger etc.These traditional heat exchangers common characteristic all are by the heat exchange of one deck partition, and a side of partition is a hot fluid, and the opposite side of partition is a cold fluid, in case partition has defectives such as crackle, perforation, must cause two kinds of mutual seepages of fluid.Two kinds of fluids that participate in heat exchange in many industrial processes are seepage mutually, and after the seepage, two kinds of fluids can chemically reactives, or become acidic materials or alkalize material, and this produces the heat exchanging device and corrodes, and finally causes heat exchanger failure; A large amount of condensation (but) device common recycle water is arranged as cooling fluid in the chemical process that has, in case wherein a condensation (but) device takes place to leak and must cause the whole circulation water system to become acid or alkaline, the recirculated cooling water that has acidity or alkalescence enters other condensation (but) device and must cause it to produce corrosion, influences the service life and the security performance of these condensations (but) device; Simultaneously in order to eliminate the acid or alkaline of recirculated cooling water, in recirculated water, to add a large amount of alkalescence or acidic materials and carry out neutralization reaction and make water become neutral, increased production cost widely; More trouble is to search which platform condensation (but) device to leak and will expend a large amount of human and material resources and time, seriously influences ordinary production even is forced to stop production, and has caused serious economy loss to factory; What is more, if can produce blast after this two media mixes, will cause serious production accident even life injury accident.How to prevent effectively that the mutual seepage that cold fluid and hot fluid causes because of leakage has important safe meaning and huge economic.
Summary of the invention
The objective of the invention is to: a kind of heat exchanger with cold fluid and hot fluid not leak through with each other is provided, mutual seepage phenomenon can never take place between the cold fluid and hot fluid of this heat exchanger, overcome the shortcoming and defect that traditional heat exchangers causes equipment not run well because of leakage, be particularly suitable for after the mutual seepage of cold fluid and hot fluid the occasion that chemical reaction generates corrosive substance taking place, guarantee the security of equipment operation.
Technical solution of the present invention is: this heat exchanger is by cold, the hot fluid container is formed, the cold fluid container is in a high position, the hot fluid container is at low level, the shell side of cold fluid container passes through cold fluid, the shell side of hot fluid container passes through hot fluid, the hot fluid import is installed at top at the hot fluid container, in the bottom of hot fluid container the hot fluid outlet is installed, the cold fluid import is installed at top at the cold fluid container, in the bottom of cold fluid container the cold fluid outlet is installed, the some groups of condensing heat-exchanging pipes of arranging in the cold fluid container, the some groups of evaporating heat-exchanging pipes of arranging in the hot fluid container, the lower end of condensing heat-exchanging pipe is through the lower end of the evaporating heat-exchanging pipe of lime set return duct link position correspondence, the upper end of condensing heat-exchanging pipe is through the upper end of the evaporating heat-exchanging pipe of vapor uptake link position correspondence, and the condensing heat-exchanging pipe of each position correspondence and evaporating heat-exchanging pipe are through the lime set return duct, vapor uptake forms independently closed circulation loop.
Wherein, mounted valve on vapor uptake.
Wherein, between the heat exchanger tube deflection plate is installed at a certain distance in the cold and hot fluid container.
Wherein, cold fluid container and hot fluid container are designed to circle, square or other forms according to the high and low requirement of operating pressure.
Wherein, the outer wall of condensing heat-exchanging pipe and evaporating heat-exchanging pipe is light pipe or finned tube according to the requirement of operating mode.
Wherein, top left side at the hot fluid container is installed the hot fluid import, on the right side, bottom of hot fluid container the hot fluid outlet is installed, top right side at the cold fluid container is installed the cold fluid import, in the bottom left of cold fluid container the cold fluid outlet is installed, cold and hot fluid forms adverse current in the cold and hot fluid container, simultaneously cold and hot fluid transversal flow heat exchanger tube.
Wherein, the potential difference between cold fluid container and the hot fluid container is not less than 1 meter.
During work, incoagulable gas in condensing heat-exchanging pipe and the evaporating heat-exchanging pipe is drained, in evaporating heat-exchanging pipe, charge into a certain amount of heat-transfer working medium liquid, heat-transfer working medium liquid in the evaporating heat-exchanging pipe absorbs the heat of vaporization that is in low level hot fluid container interior heat fluid by tube wall, rise in the condensing heat-exchanging pipe that is in the high-order cold fluid container through vapor uptake steam, heat-transfer working medium steam in the condensing heat-exchanging pipe is emitted heat and is condensed into liquid to cold fluid by tube wall, liquid is got back under the effect of gravity and is continued the heat absorption evaporation in the evaporating heat-exchanging pipe of low level hot fluid container, so circulation reaches hot fluid and is cooled and the heated heat exchange of cold fluid.
The present invention has the following advantages: if certain heat exchanger tube in 1 one of them container has leak source, also only be this container inner fluid and the mutual seepage of liquid in pipe, and will not drain in another container that this just thoroughly stops the mutual seepage of cold fluid and hot fluid; 2, heat exchanger of the present invention leak detection and easy to maintenance can be carried out under the situation of not stopping, and is easy to find leak source by the wall temperature that detects outer connecting leg road, and the heat exchanger tube that leak source arranged disconnects connection on the connecting leg road outside and just can make the heat exchanger safe operation; 3, be in two containers owing to the cold fluid and hot fluid branch, so both are absolutely not admixed together, also just the safety problem that the chemical reaction between the cold fluid and hot fluid causes can not take place, this heat exchanger is specially adapted to two kinds of fluids occasion of seepage mutually; 4, cold fluid and hot fluid is laterally washed away heat exchanger tube, has strengthened heat-transfer effect; 5, at the extreme higher position of vapor uptake mounted valve, valve is used for the incoagulable gas in condensing heat-exchanging pipe and the evaporating heat-exchanging pipe is taken away, and charges into an amount of heat-transfer working medium; 6, the outer wall of condensing heat-exchanging pipe and evaporating heat-exchanging pipe is light pipe or finned tube according to the requirement of operating mode, and being designed to finned tube increases heat transfer area.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the side view of Fig. 1
Fig. 3 is the heat exchanger tube schematic diagram of Fig. 1.
Among the figure: 1. cold fluid container, 2. condensing heat-exchanging pipe, 3. hot fluid container, 4. evaporating heat-exchanging pipe, 5. lime set return duct, 6. vapor uptake, 7. valve, 8. deflection plate, 9. hot fluid import, 10. hot fluid outlet, 11. cold fluid imports, the outlet of 12. cold fluids.
The specific embodiment
As Fig. 1, shown in 2, this heat exchanger is by cold, hot fluid container 1,3 form, cold fluid container 1 is in a high position, hot fluid container 3 is at low level, the shell side of cold fluid container 1 passes through cold fluid, the shell side of hot fluid container 3 passes through hot fluid, hot fluid import 9 is installed at top at hot fluid container 3, in the bottom of hot fluid container 3 hot fluid outlet 10 is installed, cold fluid import 11 is installed at top at cold fluid container 1, in the bottom of cold fluid container 1 cold fluid outlet 12 is installed, the some groups of condensing heat-exchanging pipes 2 of arranging in the cold fluid container 1, the some groups of evaporating heat-exchanging pipes 4 of arranging in the hot fluid container 3, the lower end of condensing heat-exchanging pipe 2 is through the lower end of the evaporating heat-exchanging pipe 4 of lime set return duct 5 link position correspondences, the upper end of condensing heat-exchanging pipe 2 is through the upper end of the evaporating heat-exchanging pipe 4 of vapor uptake 6 link position correspondences, and the condensing heat-exchanging pipe 2 of each position correspondence and evaporating heat-exchanging pipe 4 are through lime set return duct 5, vapor uptake 6 forms independently closed circulation loop.
Wherein, mounted valve 7 on vapor uptake 6.
Wherein, between the heat exchanger tube deflection plate 8 is installed at a certain distance in the cold and hot fluid container 1,3.
Wherein, cold fluid container 1 and hot fluid container 3 are designed to circle, square or other forms according to the high and low requirement of operating pressure.
Wherein, the outer wall of condensing heat-exchanging pipe 2 and evaporating heat-exchanging pipe 4 is light pipe or finned tube according to the requirement of operating mode.
Wherein, top left side at hot fluid container 3 is installed hot fluid import 9, on the right side, bottom of hot fluid container 3 hot fluid outlet 10 is installed, top right side at cold fluid container 1 is installed cold fluid import 11, in the bottom left of cold fluid container 1 cold fluid outlet 12 is installed, cold and hot fluid forms adverse current in cold and hot fluid container 1,3, simultaneously cold and hot fluid transversal flow heat exchanger tube.
Wherein, the potential difference between cold fluid container 1 and the hot fluid container 3 is not less than 1 meter.
During work, incoagulable gas in condensing heat-exchanging pipe 2 and the evaporating heat-exchanging pipe 4 is drained, in evaporating heat-exchanging pipe 4, charge into a certain amount of heat-transfer working medium liquid, heat-transfer working medium liquid in the evaporating heat-exchanging pipe 4 absorbs the heat of vaporization that is in low level hot fluid container 3 interior heat fluids by tube wall, rise in the condensing heat-exchanging pipe 2 that is in 1 li in high-order cold fluid container through vapor uptake 6 steam, heat-transfer working medium steam in the condensing heat-exchanging pipe 2 is emitted heat and is condensed into liquid to cold fluid by tube wall, liquid is got back under the effect of gravity and is continued the heat absorption evaporation in the evaporating heat-exchanging pipe 4 of low level hot fluid container 3, so circulation reaches hot fluid and is cooled and the heated heat exchange of cold fluid.
Should understand, schematic diagram among the present invention is the explanation for the present invention is made, but not limit the scope of the invention by any way, engineers and technicians also belong to extension of the present invention to the adjustment of concrete equipment size, nozzle position among the present invention, the conversion of tube bank pattern and the arrangement form adjustment of equipment.
Claims (7)
1. heat exchanger with cold fluid and hot fluid not leak through with each other, it is characterized in that: this heat exchanger is by cold, hot fluid container (1,3) form, cold fluid container (1) is in a high position, hot fluid container (3) is at low level, the shell side of cold fluid container (1) passes through cold fluid, the shell side of hot fluid container (3) passes through hot fluid, hot fluid import (9) is installed at top at hot fluid container (3), hot fluid outlet (10) is installed in bottom at hot fluid container (3), cold fluid import (11) is installed at top at cold fluid container (1), cold fluid outlet (12) is installed in bottom at cold fluid container (1), the some groups of condensing heat-exchanging pipes (2) of arranging in the cold fluid container (1), the some groups of evaporating heat-exchanging pipes (4) of arranging in the hot fluid container (3), the lower end of condensing heat-exchanging pipe (2) is through the lower end of the evaporating heat-exchanging pipe (4) of lime set return duct (5) link position correspondence, the upper end of condensing heat-exchanging pipe (2) is through the upper end of the evaporating heat-exchanging pipe (4) of vapor uptake (6) link position correspondence, and condensing heat-exchanging pipe of each position correspondence (2) and evaporating heat-exchanging pipe (4) are through lime set return duct (5), vapor uptake (6) forms independently closed circulation loop.
2. a kind of heat exchanger with cold fluid and hot fluid not leak through with each other according to claim 1 is characterized in that: wherein, go up mounted valve (7) at vapor uptake (6).
3. a kind of heat exchanger with cold fluid and hot fluid not leak through with each other according to claim 1 is characterized in that: wherein, between the interior heat exchanger tube of cold and hot fluid container (1,3) deflection plate (8) is installed at a certain distance.
4. a kind of heat exchanger with cold fluid and hot fluid not leak through with each other according to claim 1 is characterized in that: wherein, cold fluid container (1) and hot fluid container (3) are designed to circle, square or other forms according to the high and low requirement of operating pressure.
5. a kind of heat exchanger with cold fluid and hot fluid not leak through with each other according to claim 1 is characterized in that: wherein, the outer wall of condensing heat-exchanging pipe (2) and evaporating heat-exchanging pipe (4) is light pipe or finned tube according to the requirement of operating mode.
6. a kind of heat exchanger with cold fluid and hot fluid not leak through with each other according to claim 1, it is characterized in that: wherein, top left side at hot fluid container (3) is installed hot fluid import (9), hot fluid outlet (10) is installed on right side, bottom at hot fluid container (3), top right side at cold fluid container (1) is installed cold fluid import (11), bottom left at cold fluid container (1) is installed cold fluid outlet (12), cold and hot fluid forms adverse current in cold and hot fluid container (1,3), simultaneously cold and hot fluid transversal flow heat exchanger tube.
7. a kind of heat exchanger with cold fluid and hot fluid not leak through with each other according to claim 1 is characterized in that: wherein, the potential difference between cold fluid container (1) and the hot fluid container (3) is not less than 1 meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010220080 CN101865621A (en) | 2010-07-01 | 2010-07-01 | Heat exchanger with cold fluid and hot fluid not leak through with each other |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010220080 CN101865621A (en) | 2010-07-01 | 2010-07-01 | Heat exchanger with cold fluid and hot fluid not leak through with each other |
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| Publication Number | Publication Date |
|---|---|
| CN101865621A true CN101865621A (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010220080 Pending CN101865621A (en) | 2010-07-01 | 2010-07-01 | Heat exchanger with cold fluid and hot fluid not leak through with each other |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201032440Y (en) * | 2007-04-05 | 2008-03-05 | 南京工业大学 | Snakelike structure separating hot pipe heat exchanging system |
| CN201059900Y (en) * | 2007-06-29 | 2008-05-14 | 北京建筑工程学院 | Combination type hot pipe flue gas condensation energy conservation equipment |
| CN201069329Y (en) * | 2007-07-26 | 2008-06-04 | 鲁德祥 | Removable hot pipe fin heat exchanger |
| CN201177471Y (en) * | 2008-03-06 | 2009-01-07 | 南京中昊石化设备制造有限公司 | Safe explosion-proof -type separating heat-pipe evaporator |
-
2010
- 2010-07-01 CN CN 201010220080 patent/CN101865621A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201032440Y (en) * | 2007-04-05 | 2008-03-05 | 南京工业大学 | Snakelike structure separating hot pipe heat exchanging system |
| CN201059900Y (en) * | 2007-06-29 | 2008-05-14 | 北京建筑工程学院 | Combination type hot pipe flue gas condensation energy conservation equipment |
| CN201069329Y (en) * | 2007-07-26 | 2008-06-04 | 鲁德祥 | Removable hot pipe fin heat exchanger |
| CN201177471Y (en) * | 2008-03-06 | 2009-01-07 | 南京中昊石化设备制造有限公司 | Safe explosion-proof -type separating heat-pipe evaporator |
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Open date: 20101020 |