CN205619800U - Anticorrosive gas gas heater of pipe formula fluoroplastics is arranged to U type - Google Patents
Anticorrosive gas gas heater of pipe formula fluoroplastics is arranged to U type Download PDFInfo
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- CN205619800U CN205619800U CN201620390073.0U CN201620390073U CN205619800U CN 205619800 U CN205619800 U CN 205619800U CN 201620390073 U CN201620390073 U CN 201620390073U CN 205619800 U CN205619800 U CN 205619800U
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- flue gas
- exchange unit
- single tube
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Abstract
The utility model relates to an anticorrosive gas gas heater of pipe formula fluoroplastics is arranged to U type, the U type arranges that the anticorrosive heat exchanger of pipe formula fluoroplastics includes that anticorrosive gas gas heater shell, anticorrosive U type arrange fluoroplastics pipe group, single tube restraining mechanism, fluoroplastics heat exchanger erection bracing frame, flue gas access & exit, heat transferring medium access & exit and seal part, the U type is prepared into to the inside pipe of the anticorrosive gas gas heater of fluoroplastics, and space utilization is high, and heat transfer area increases by 10%~20%, has improved heat exchange efficiency, can effectively reduce the thermal stress simultaneously, fluoroplastics pipe group passes through single tube restraining mechanism to be fixed inside heat exchanger shell, prevents that the flue gas flow from producing the shake to fluorine plastic monotube to improve the reliability of heat exchanger.
Description
Technical field
This utility model relates to a kind of flue gas heat-exchange unit, particularly relates to a kind of U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit.
Technical background
At present, flue gas heat-exchange unit is utilizing heat energy, recovery waste heat, is economizing in raw materials, reduces and achieve significant economic benefit in cost and some specific uses, it is widely used in the fields such as petrochemical industry, metallurgy, power engineering and machinery, heat exchange medium is often corrosive, viscosity and the easy problem such as fouling, making sheet steel burn into viscous and fouling, it is often necessary to maintenance, heat exchange efficiency reduces, service life is short, and replaces expensive with erosion-resisting rare metal plate.
Fluorine plastic tube is as a kind of high effective flue gas heat exchange equipment heat exchange element, it belongs to chemical inert material, there is not acid dew piont corrosion, there is excellent acid corrosion-resistant performance, except the element fluorine under high temperature, molten state alkali metal, chlorine trifluoride, hex, outside polyfluoro kerosene, almost can work in all of medium, therefore teflon heat exchanger does not has particular/special requirement to smoke components, heat exchanger tube wall temperature and flue gas acid dew point do not have particular/special requirement, the most also there is the abrasion resistance of excellence, therefore, go to make flue gas heat-exchange unit with circular pipe type fluoroplastics, there is wide reason prospect.
Heat exchanger tube arrangement in heat exchanger, directly influence heat exchanger space availability ratio and heat exchanger reliability, to this end, herein for improving heat exchange efficiency and the reliability of heat exchanger of heat exchanger, propose a kind of U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit.
Utility model content:
The purpose of this utility model is to provide a kind of U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit.
For achieving the above object, this utility model adopts the following technical scheme that
nullA kind of U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit,Including the anticorrosion flue gas heat-exchange unit shell being provided with smoke inlet and exhanst gas outlet、It is arranged on the installation bracing frame on described anticorrosion flue gas heat-exchange unit shell,Serpentine-like curvilinear anti-corrosive fluoroplastic pipe group it is fixedly installed along its length in described anticorrosion flue gas heat-exchange unit shell,Described anti-corrosive fluoroplastic pipe group connects heat transferring medium entrance near one end of smoke inlet,Heat transferring medium outlet is connected near one end of exhanst gas outlet,Described anti-corrosive fluoroplastic pipe group is mainly made up of some serpentine curve shape anti-corrosive fluoroplastic single tubes be arrangeding in parallel,Every anti-corrosive fluoroplastic single tube is sequentially connected with composition by some U-tube roads,Anti-corrosive fluoroplastic single tube is prepared as serpentine curve shape inside heat exchanger,Space availability ratio is high,Heat exchange area increases by 10% ~ 20%,Improve heat exchange efficiency,It is effectively reduced thermal stress simultaneously,The spacing of adjacent anti-corrosive fluoroplastic single tube is 5 ~ 10mm,Excessive spacing all can the heat transfer effect of heat exchanger have a negative impact,Reduce heat transfer rate,Too small, cost and deadweight can be increased,Heat exchange efficiency being not improved simultaneously.
Further, the material of described anticorrosion flue gas heat-exchange unit shell and installation bracing frame is antiseptical rustless steel steel, can prevent flue gas corrosion, improves the reliability of heat exchanger, increases the service life of heat exchanger.
Further, described anti-corrosive fluoroplastic single tube is weldingly fixed in anticorrosion flue gas heat-exchange unit shell by some single tube constraint mechanisms, described anti-corrosive fluoroplastic pipe group is fixed on anticorrosion flue gas heat-exchange unit enclosure by single tube constraint mechanism, prevent flow of flue gas from anti-corrosive fluoroplastic single tube is produced shake, thus improve the reliability of heat exchanger.
Further, described single tube constraint mechanism is circular, and internal diameter matches with anti-corrosive fluoroplastic single tube diameter, and simple in construction is easily processed, reliable and stable.
Compared to existing technology: select rustless steel time prepared by fluorine plastic corrosion-proof flue gas heat-exchange unit shell described in the utility model and support member, flue gas corrosion can be prevented, improve the reliability of heat exchanger, increase the service life of heat exchanger.Described fluoroplastics single tube is prepared as U-shaped inside heat exchanger, and heat exchanger internal heat exchange tubes is prepared as U-tube road, and space availability ratio is high, and heat exchange area increases by 10% ~ 20%, improves heat exchange efficiency, is effectively reduced thermal stress simultaneously.Described fluorine plastic tube has good resistance to corrosion, it is ensured that the service life of teflon heat exchanger.Described fluoroplastics pipes group is fixed on inside outer cover of heat exchanger by single tube constraint mechanism, prevents flow of flue gas from fluoroplastics single tube is produced shake, thus improves the reliability of heat exchanger.
Accompanying drawing illustrates:
Fig. 1 is U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit general assembly schematic diagram.
Fig. 2 is U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit schematic front view.
Fig. 3 is U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit left view schematic diagram.
Fig. 4 is U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit internal structure schematic diagram.
Fig. 5 is the internal U-shaped layout fluorine plastic tube restraining structure schematic diagram of heat exchanger.
Shown in figure it is: 1-heat transferring medium exports;2-exhanst gas outlet;3-single tube constraint mechanism;4-anti-corrosive fluoroplastic pipe group;5-anticorrosion flue gas heat-exchange unit shell;6-installs bracing frame;7-smoke inlet;8-heat transferring medium entrance;9-anti-corrosive fluoroplastic single tube.
Detailed description of the invention
Being described in further detail the purpose of this utility model below by specific embodiment, embodiment can not repeat one by one at this, but the most therefore embodiment of the present utility model is defined in following example.
nullAs shown in Figures 1 to 5,A kind of U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit,Including the anticorrosion flue gas heat-exchange unit shell 5 being provided with smoke inlet 7 and exhanst gas outlet 2、It is arranged on the installation bracing frame 6 on described anticorrosion flue gas heat-exchange unit shell 5,It is characterized in that: in described anticorrosion flue gas heat-exchange unit shell 5, be fixedly installed serpentine-like curvilinear anti-corrosive fluoroplastic pipe group 4 along its length,Described anti-corrosive fluoroplastic pipe group 4 connects heat transferring medium entrance 8 near one end of smoke inlet 7,Heat transferring medium outlet 1 is connected near one end of exhanst gas outlet 2,Described anti-corrosive fluoroplastic pipe group 4 is mainly made up of some serpentine curve shape anti-corrosive fluoroplastic single tubes 9 be arrangeding in parallel,Every anti-corrosive fluoroplastic single tube 9 is sequentially connected with composition by some U-tube roads,Anti-corrosive fluoroplastic single tube 9 is prepared as serpentine curve shape inside heat exchanger,Space availability ratio is high,Heat exchange area increases by 10% ~ 20%,Improve heat exchange efficiency,It is effectively reduced thermal stress simultaneously,The spacing of adjacent anti-corrosive fluoroplastic single tube 9 is 5 ~ 10mm.
Specifically, the material of described anticorrosion flue gas heat-exchange unit shell 5 and installation bracing frame 6 is antiseptical rustless steel steel, can prevent flue gas corrosion, improves the reliability of heat exchanger, increases the service life of heat exchanger.
Specifically, described anti-corrosive fluoroplastic single tube 9 is weldingly fixed in anticorrosion flue gas heat-exchange unit shell 5 by some single tube constraint mechanisms 3, it is internal that described anti-corrosive fluoroplastic pipe group is fixed on anticorrosion flue gas heat-exchange unit shell 5 by single tube constraint mechanism, prevent flow of flue gas from anti-corrosive fluoroplastic single tube 9 is produced shake, thus improve the reliability of heat exchanger.
Specifically, described single tube constraint mechanism 3 is in circular, and internal diameter matches with anti-corrosive fluoroplastic single tube 9 diameter, and simple in construction is easily processed, reliable and stable.
Above-described embodiment of the present utility model is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in this utility model scope of the claims.
Claims (4)
- null1. a U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit,Including anticorrosion flue gas heat-exchange unit shell (5) being provided with smoke inlet (7) and exhanst gas outlet (2)、It is arranged on the installation bracing frame (6) on described anticorrosion flue gas heat-exchange unit shell (5),It is characterized in that: in described anticorrosion flue gas heat-exchange unit shell (5), be fixedly installed serpentine-like curvilinear anti-corrosive fluoroplastic pipe group (4) along its length,Described anti-corrosive fluoroplastic pipe group (4) connects heat transferring medium entrance (8) near one end of smoke inlet (7),Heat transferring medium outlet (1) is connected near one end of exhanst gas outlet (2),Described anti-corrosive fluoroplastic pipe group (4) is mainly made up of some serpentine curves shape anti-corrosive fluoroplastic single tube (9) be arrangeding in parallel,Every anti-corrosive fluoroplastic single tube (9) is sequentially connected with composition by some U-tube roads,The spacing of adjacent anti-corrosive fluoroplastic single tube (9) is 5 ~ 10mm.
- U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit the most according to claim 1, it is characterised in that: the material of described anticorrosion flue gas heat-exchange unit shell (5) and installation bracing frame (6) is antiseptical rustless steel steel.
- U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit the most according to claim 1, it is characterised in that: described anti-corrosive fluoroplastic single tube (9) is all weldingly fixed in anticorrosion flue gas heat-exchange unit shell (5) by some equally distributed single tube constraint mechanisms (3).
- U-shaped layout circular pipe type fluorine plastic corrosion-proof flue gas heat-exchange unit the most according to claim 3, it is characterised in that: described single tube constraint mechanism (3) is in circular, and internal diameter matches with anti-corrosive fluoroplastic single tube (9) diameter.
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CN201620390073.0U CN205619800U (en) | 2016-04-29 | 2016-04-29 | Anticorrosive gas gas heater of pipe formula fluoroplastics is arranged to U type |
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CN201620390073.0U CN205619800U (en) | 2016-04-29 | 2016-04-29 | Anticorrosive gas gas heater of pipe formula fluoroplastics is arranged to U type |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105783558A (en) * | 2016-04-29 | 2016-07-20 | 华南理工大学 | U-shaped arranged circular tube type fluoroplastic anti-corrosion flue gas heat exchanger |
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2016
- 2016-04-29 CN CN201620390073.0U patent/CN205619800U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105783558A (en) * | 2016-04-29 | 2016-07-20 | 华南理工大学 | U-shaped arranged circular tube type fluoroplastic anti-corrosion flue gas heat exchanger |
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C14 | Grant of patent or utility model | ||
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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: 20161005 Termination date: 20190429 |