CN103822510B - Muitishell tubular heat exchanger - Google Patents
Muitishell tubular heat exchanger Download PDFInfo
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- CN103822510B CN103822510B CN201410084370.8A CN201410084370A CN103822510B CN 103822510 B CN103822510 B CN 103822510B CN 201410084370 A CN201410084370 A CN 201410084370A CN 103822510 B CN103822510 B CN 103822510B
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- heat exchange
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- side fluid
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Abstract
The present invention relates to a kind of muitishell tubular heat exchanger, mainly to solve in prior art a kind of fluid and other fluids multiple in succession heat exchange time, the e-quipment and pipe adopting multiple stage heat exchanger to exist is not compact, investment is large, SR greatly, the problem that power consumption is high.The present invention comprises tube side fluid import, bobbin carriage, heat transfer zone and tube side fluid outlet by employing; Comprise in heat transfer zone pass through for tube side fluid heat exchanging pipe, deflection plate, shell-side fluid import and shell side fluid outlet; Wherein, the shell side of heat transfer zone is divided at least two separate shell side heat exchange subareas with seal diaphragm, the technical scheme that independently shell side heat exchange subarea is provided with independently shell-side fluid import and shell side fluid outlet solves this problem preferably, can be used for the tubular heat exchanger combination in the industry such as petrochemical industry, chemical industry.
Description
Technical field
The present invention relates to a kind of muitishell tubular heat exchanger.
Background technology
Shell and tube heat transmission equipment is the chemical industry equipment that the industries such as petrochemical industry, chemical industry, medicine are commonly used.Such as document CN202229632U discloses a kind of tubular heat exchanger, this tubular heat exchanger is respectively installed an end socket by heat exchange cylindrical shell two ends and is formed, central tube, tubulation, spiral plate are installed in heat exchange cylindrical shell, be provided with spiral plate in annular space between central tube and heat exchange cylindrical shell, central tube, spiral plate, heat exchange cylindrical shell define along the helical duct on heat exchanger axis direction jointly; Spiral plate is provided with elliptical aperture, and tubulation is arranged in helical duct through the elliptical aperture on spiral plate, and each tubulation take central tube as axis concentric circles one circle arrangement in the form of a ring.Document CN202420232U discloses a kind of tubular heat exchanger, belongs to gas generator technical field, comprises lower shell, lower shell lower end is provided with lower perforated plate, upper end is provided with upper perforated plate, heat exchanger tube is fixed by upper and lower tube sheet, it is characterized in that, lower shell is provided with upper shell, upper shell internal diameter is greater than lower shell internal diameter, arranges inner barrel in upper shell, and inner barrel upper end arranges gas inlet pipe, upper perforated plate is also connected with phenol water communicating pipe, and phenol water communicating pipe is in upper shell and stretch out inner barrel.Document CN201909567U discloses a kind of tubular heat exchanger, comprise housing, tube bank, end socket, tube sheet and hydraulic barrier, described tube bank two ends are arranged on two pieces of tube sheets respectively, tube bundle sections between tube sheet arranges hydraulic barrier, described tube sheet is welded on housing two ends respectively and is connected with end socket thereon, wherein the end socket of upper end installs material inlet tube, the end socket of lower end installs material outlet pipe, described lower housing portion installs cooling liquid inlet pipe, housing upper installs coolant outlet, and described coolant outlet place is provided with overflow baffle.
Along with the expansion of unit scale, save energy and reduce the cost and day by day come into one's own, a kind of fluid may need and other fluids multiple heat exchange in succession, not only number of devices is many, volume large but also equipment room needs very large pipeline to connect for the multiple stage heat exchanger mode of usual employing, particularly to some gas-phase reaction systems, not only increase and take up an area space, also increase SR, increase power consumption.
Summary of the invention
Technical problem to be solved by this invention be in prior art a kind of fluid and other fluids multiple in succession heat exchange time, the e-quipment and pipe adopting multiple stage heat exchanger to exist is not compact, investment is large, SR is large, the problem that power consumption is high, provides a kind of new muitishell tubular heat exchanger.This heat exchanger have e-quipment and pipe investment low, SR is little, the feature that power consumption is few.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of muitishell tubular heat exchanger, comprises tube side fluid import, bobbin carriage, heat transfer zone and tube side fluid outlet; Comprise in heat transfer zone pass through for tube side fluid heat exchanging pipe, deflection plate, shell-side fluid import and shell side fluid outlet; Wherein, the shell side of heat transfer zone is divided at least two separate shell side heat exchange subareas with inner sealing dividing plate, independently shell side heat exchange subarea is provided with independently shell-side fluid import and shell side fluid outlet.
In technique scheme, preferably, described shell side heat exchange subarea has 2 ~ 6.More preferably, described shell side heat exchange subarea has 2 ~ 4.Most preferably, described shell side heat exchange subarea has 2.
In technique scheme, preferably, described 2 shell side heat exchange subareas are 0.3 ~ 2 along the length of fluid flow direction; More preferably, be 0.5 ~ 1.5.Described 2 shell side heat exchange subareas along the length of fluid flow direction than being determined by technique heat transfer requirements.
In technique scheme, described deflection plate can require to arrange according to the flowing of each heat exchange subarea shell-side fluid, and the number of baffles in each heat exchange subarea can be 0 maximum quantity allowed to design of heat exchanger.Preferably, described deflection plate is provided with 2 ~ 20.More preferably, described deflection plate is provided with 6 ~ 14.Support plate is arranged according to heat exchanger structure designing requirement.
In the present invention, in the shell side part of conventional shell and tube heat transmission equipment, except normal deflection plate and fixed head, with inner sealing dividing plate, shell side is divided into the heat exchanging segment of two or more mutual isolation, each heat exchanging segment forms an independently heat exchanger, the different shell-side fluid of multiply can independently of each other with tube side fluid heat exchange.
In the present invention, tube side is single fluid, and similar with usual tubular heat exchanger on tube side part-structure, number of tube passes can be many journeys, but in order to obtain good heat transfer effect, preferably adopts single tube journey structure.
In the present invention, inner sealing dividing plate is used for heat exchanger segmentation, can arrange the deflection plate of different spacing, form, also can not arrange in each section according to technology and equipment designing requirement.
In the present invention, each section of shell side and tubulation form a heat exchanger being equivalent to be made up of multiple stage Shell-and-Tube Exchangers in Series, eliminate the connecting pipe between multiple various heat exchange organ pipe journey.
Above structure, the invention has the advantages that: reduce device fabrication expense: during usual manner employing multiple stage heat exchanger, every platform heat exchanger all needs the parts such as bobbin carriage, tube sheet.Adopt the present invention can save these parts of mid portion, reduce weight of equipment, reduce device fabrication expense.Remove connecting pipe between tube side from, save mounting cost: during usual manner employing multiple stage heat exchanger, between each heat exchanger tube pass, need connecting pipe.Adopt the present invention can remove these intermediate connection tube roads from, reduce Pipe installing expense, save and take up an area.Reduce power consumption: remove between heat exchanger after connecting pipe, correspondingly reduce the resistance of ducting, reduce transmitting power consumption, especially for the gas transmission pipeline of gas-phase reaction, reduce gas compression power consumption successful.In a word, adopt heat exchanger of the present invention, effectively can reduce equipment volume, remove pipes between devices from, reduce fluid resistance, reduce the power consumption of gas compression, obtain good technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of muitishell tubular heat exchanger of the present invention, for two shell side heat exchange subareas.
In Fig. 1,1 is tube side fluid import, and 2 is tube side fluid outlet, 3 is bobbin carriage, 4 is seal diaphragm, and 5 is tubulation, and 6 is deflection plate, 7 is the first shell side heat exchange subarea, 8 is the second shell side heat exchange subarea, and 9 is the shell-side fluid import in the first shell side heat exchange subarea, and 10 is the shell side fluid outlet in the first shell side heat exchange subarea, 11 is the shell-side fluid import in the second shell side heat exchange subarea, and 12 is the shell side fluid outlet in the second shell side heat exchange subarea.
In Fig. 1, described muitishell tubular heat exchanger comprises tube side fluid import 1, bobbin carriage 3, heat transfer zone and tube side fluid outlet 2; Wherein, the shell side of heat transfer zone is divided into two separate the first shell side heat exchange subarea 7 and the second shell side heat exchange subareas 8 with seal diaphragm 4; Each independently shell side heat exchange subarea is provided with independently shell-side fluid import and shell side fluid outlet.The heat exchanging pipe 5 and deflection plate 6 that pass through for tube side fluid is also comprised in heat transfer zone.
Below by embodiment, this muitishell is further elaborated.
Detailed description of the invention
[comparative example 1]
Certain vinyl acetate device, it reflects gas need carry out heat exchange with multiply inlet stream.By technological requirement, reaction Outlet Gas Temperature is reduced to 100 ~ 120 DEG C from 175 DEG C, and reacting gas first brings up to 125 DEG C through heat exchange from 73 DEG C, and after acetate evaporator, stream temperature needs to continue through heat exchange and brings up to 150 DEG C from 125 DEG C.Adopt the heat exchanger that need adopt two 2 rice diameters, pipe range 5 meters and 6 meters during separate exchangers respectively, intermediate connection tube road diameter reaches 800mm.Due to narrow field, apparatus arrangement and pipe arrangement are all more difficult.
[embodiment 1]
Adopt the tubular heat exchanger shown in Fig. 1, heat exchange pipe range 12 meters (by heat exchanger pipe range standard series), in shell side, tube sheet 5.5 meters of inner sealing demarcation strips in spacing one end are divided into 5.5 meters and 6.5 meters two heat exchanging segments of isolating mutually, and in each heat exchanging segment, deflection plate is provided with 4.Reflect gas and walk tube side, before and after acetate evaporator, two bursts of logistics are respectively at heat exchanging segment and tube side fluid heat exchange that 5.5 meters and 6.5 meters two are isolated mutually.
Compared with two separate type tubular heat exchangers, unitized exchanger device fabrication can be saved high-grade acid resistant steel alloy tens tons, more than 30 meter, diameter 800mm high-grade acid resistant steel alloy pipeline, reduce SR and be about 2kPa, save compressor power and consume 20kW.
Above are only one embodiment of the present of invention, be not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, and all should be technology category of the present invention.
Claims (9)
1. a muitishell tubular heat exchanger, comprises tube side fluid import, bobbin carriage, heat transfer zone and tube side fluid outlet; Comprise in heat transfer zone pass through for tube side fluid heat exchanging pipe, deflection plate, shell-side fluid import and shell side fluid outlet; It is characterized in that the shell side of heat transfer zone being divided at least two separate shell side heat exchange subareas with inner sealing dividing plate, independently shell side heat exchange subarea is provided with independently shell-side fluid import and shell side fluid outlet; Wherein, described tube side is multitube distance structure.
2. muitishell tubular heat exchanger according to claim 1, is characterized in that described shell side heat exchange subarea has 2 ~ 6.
3. muitishell tubular heat exchanger according to claim 2, is characterized in that described shell side heat exchange subarea has 2 ~ 4.
4. muitishell tubular heat exchanger according to claim 3, is characterized in that described shell side heat exchange subarea has 2.
5. muitishell tubular heat exchanger according to claim 4, is characterized in that described 2 shell side heat exchange subareas are 0.3 ~ 2 along the length ratio of fluid flow direction.
6. muitishell tubular heat exchanger according to claim 5, is characterized in that described 2 shell side heat exchange subareas are 0.5 ~ 1.5 along the length ratio of fluid flow direction.
7. muitishell tubular heat exchanger according to claim 1, is characterized in that described deflection plate can require to arrange according to the flowing of each heat exchange subarea shell-side fluid, and the number of baffles in each heat exchange subarea can be 0 maximum quantity allowed to design of heat exchanger.
8. muitishell tubular heat exchanger according to claim 7, is characterized in that described deflection plate is provided with 2 ~ 20.
9. muitishell tubular heat exchanger according to claim 8, is characterized in that described deflection plate is provided with 6 ~ 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084370.8A CN103822510B (en) | 2014-03-07 | 2014-03-07 | Muitishell tubular heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084370.8A CN103822510B (en) | 2014-03-07 | 2014-03-07 | Muitishell tubular heat exchanger |
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| CN103822510A CN103822510A (en) | 2014-05-28 |
| CN103822510B true CN103822510B (en) | 2016-04-13 |
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| CN201410084370.8A Active CN103822510B (en) | 2014-03-07 | 2014-03-07 | Muitishell tubular heat exchanger |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015224916A1 (en) * | 2015-12-10 | 2017-06-14 | Dürr Systems Ag | Treatment plant and method for treating workpieces |
| CN108413783B (en) * | 2017-02-10 | 2019-11-22 | 中国石化工程建设有限公司 | A kind of and tower function heat exchanger |
| CN108775825B (en) * | 2018-05-24 | 2021-05-04 | 重庆美的通用制冷设备有限公司 | Heat exchange assembly and refrigerating system with same |
| CN109373788A (en) * | 2018-09-04 | 2019-02-22 | 徐召辉 | A kind of energy-efficient formula dividing wall type heat exchanger |
| CN109282676B (en) * | 2018-09-20 | 2020-12-01 | 温州炘都工业设计有限公司 | Coal chemical production heat exchanger |
| CN109341378B (en) * | 2018-09-20 | 2021-07-23 | 东营益盛化工有限公司 | Method for prolonging service life of heat exchanger |
| CN112066761A (en) * | 2020-09-21 | 2020-12-11 | 苏州市腾中钛设备制造有限公司 | Titanium alloy heat exchanger |
| CN114234682A (en) * | 2021-12-08 | 2022-03-25 | 中国船舶重工集团公司第七一九研究所 | Integrated heat exchanger of shell and tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4858681A (en) * | 1983-03-28 | 1989-08-22 | Tui Industries | Shell and tube heat exchanger |
| EP0245465A4 (en) * | 1985-11-05 | 1988-04-18 | Tui Ind | Shell and tube heat exchanger. |
| CN101551207B (en) * | 2009-05-15 | 2010-10-06 | 营口庆营石化设备总厂 | Shell-and-tube heat exchanger with oblate tube |
| CN202329301U (en) * | 2011-05-30 | 2012-07-11 | 中国石油化工集团公司 | Fixed tube sheet heat exchanger combined with heat exchange unit modules |
| CN202692763U (en) * | 2012-05-04 | 2013-01-23 | 南京航空航天大学 | Multi-shell-pass shell-and-tube heat exchanger |
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