CN203744770U - Anti-corrosion shell-tube heat exchanger - Google Patents
Anti-corrosion shell-tube heat exchanger Download PDFInfo
- Publication number
- CN203744770U CN203744770U CN201420089608.1U CN201420089608U CN203744770U CN 203744770 U CN203744770 U CN 203744770U CN 201420089608 U CN201420089608 U CN 201420089608U CN 203744770 U CN203744770 U CN 203744770U
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- CN
- China
- Prior art keywords
- tube
- shell
- heat exchanger
- flange
- cylindrical shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005260 corrosion Methods 0.000 title claims abstract description 13
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 10
- 239000011737 fluorine Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 7
- 239000010962 carbon steel Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 3
- 229910001369 Brass Inorganic materials 0.000 abstract 1
- 239000010951 brass Substances 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- -1 end cap Substances 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides an anti-corrosion shell-tube heat exchanger and belongs to the technical field of central air-conditioners. A barrel body of the heat exchanger is of a cylindrical structure. One side of the barrel body is provided with a shell flange and an end cover. A gasket is additionally arranged between the shell flange and the end cover, and the shell flange and the end cover are fastened through bolts and nuts A. The other side of the barrel body is provided with a shell flange, a tube plate and a tube box. A gasket I is arranged between the shell flange and the tube plate. The shell flange and the tube plate are connected and fastened through shell side double-screw bolts and nuts B. Fluorine outlet pipe bases and fluorine inlet pipe bases are arranged on the tube box. The two ends of the upper portion of the barrel body are respectively provided with a connecting pipe and a flange. The left side and the right side of the lower portion of the barrel body are respectively provided with a support, and the supports are connected with the barrel body in a bonded mode. The lower portion of the barrel body is provided with a valve base which is used for installation of a straight-through and internally and externally threaded brass ball valve. According to the anti-corrosion shell-tube heat exchanger, a U-shaped heat exchange tube is adopted, the temperature difference compensation performance of a tube bundle is good, the flow resistance of fluid is small, the heat transfer performance is good, the pressure bearing capacity is high, and the anti-corrosion shell-tube heat exchanger is applicable to high-temperature and high-pressure working conditions; the U-shaped tube bundle can be drawn out of a shell, so that the tube bundle and the shell are both convenient to clean, and the heat exchange effect of the heat exchanger is ensured.
Description
Technical field
The utility model belongs to central air-conditioning technical field, is specifically related to a kind of heat exchanger.
Background technology
Fixed tube-sheet exchanger is mainly made up of cylindrical shell, end cap, heat exchanger tube, shell flange, deflection plate, bearing etc., and primary structure is that heat exchanger tube is connected with deflection plate, two ends tube sheet, then fixes with cylindrical shell, finally adds shell flange and end cap.Cylindrical shell, end cap, the shell flange of tradition fixed tube-sheet exchanger are carbon steel, heat exchanger two ends tube sheet adopts welding manner and housing to be connected and fixed, and in use procedure, the physics of refrigerating medium washes away with chemical attack comparatively serious to the cylindrical shell infringement of carbon steel.
Tradition fixed tube-sheet exchanger is because both sides tube sheet is connected with barrel soldering, and shell-side cannot carry out mechanical cleaning.For ensureing heat transfer effect and service life, requiring refrigerating medium is less scaling cleaning fluid.In addition, in the time that the difference of heat exchanger tube wall temperature and wall temperature is larger, very large thermal (temperature difference) stress can be produced, when serious, heat exchanger can be damaged.
Above-mentioned deficiency increases the maintenance cost of fixed tube-sheet exchanger, has also limited service life and the scope of heat exchanger simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of corrosion-resistant case tube heat exchanger, the major parts such as cylindrical shell, end cap, shell flange adapter adopt glass steel material to replace conventional carbon steel, to solve refrigerating medium washing away and etching problem cylinder inboard wall in traditional fixed tube-sheet exchanger use; Housing adopts bonding connection or global formation with flange; The material of this product and manufacture process requirement heat exchanger tube are U-shaped pipe, one-sided tube sheet; Heat exchanger tube tube bank axially can free-extension, can not produce thermal (temperature difference) stress; The U-shaped tube bank of entirety can be extracted out in housing, and tube bank and housing are all convenient to clean, and ensure heat transfer effect and the service life of heat exchanger, reduce the maintenance cost of product simultaneously.
The utility model is mainly made up of end cap, shell flange, adapter, flange, cylindrical shell, heat exchanger tube, solves the technical scheme that its technical problem adopts to be: cylindrical shell is cylindrical structural, adopts glass steel material global formation or bonding combination forming; Cylindrical shell one side arranges shell flange and end cap, and shell flange and cylindrical shell adopt global formation or bonding forming, in the middle of shell flange and end cap, installs pad additional, adopts bolt, nut A fastening, seals ensureing; Cylindrical shell opposite side arranges shell flange, tube sheet and bobbin carriage, and shell flange and cylindrical shell adopt global formation or bonding forming, pad I is set between shell flange and tube sheet, is connected fastening and guarantee shell side side seal by case side double-screw bolt, nut B; Pad II is set between tube sheet and bobbin carriage, connects fastening and guarantee tube side side seal by tube case side double-screw bolt, nut B; Reinforcing stud one end is fastened in the middle screw of tube sheet, install after pad II, through the stud bolt hole in the middle of bobbin carriage, install additional after taper elastic washer, with reinforcing fastening nuts, for the auxiliary fastening and sealing between bobbin carriage and tube sheet, emphasis is to prevent that bobbin carriage central area from causing two pressure mediums between flow process to leak because being out of shape; Fluorine outlet base, fluorine import base are set on bobbin carriage; Arrange and take over and flange in cylindrical shell both upper ends thereof, connect and adopt bonding connection; Cylindrical shell bottom arranged on left and right sides arranges bearing, and material is carbon steel group welding piece, adopts bonding connection with cylindrical shell; Cylindrical shell bottom arranges valve seat, and valve seat adopts bonding connection with cylindrical shell, for straight-through inside and outside silk copper ball valve is installed; In cylindrical shell, heat transfer element adopts U-shaped heat exchanger tube, also have deflection plate, pull bar, distance sink tube, nut, plain washer, deflection plate is upper and lower to be staggered, pull bar, distance sink tube is vertical with polylith deflection plate assembles, pull bar one end is threaded with tube sheet, and the other end adopts plain washer, fastening nuts through after last piece deflection plate; With U-shaped heat exchanger tube, the common formation of tube sheet assembling heat-exchanging tube bundle, U-shaped heat exchanger tube material is corrosion-resistant copper pipe, adopts expanded joint to add bonding connection with steel tube sheet again.
Wherein end cap, shell flange, adapter, flange, all adopt glass steel material.
Adopt good effect of the present utility model to be:
(1) the main part such as cylindrical shell, end cap, shell flange adapter adopts glass steel material, and glass steel material has good chemical stability with respect to carbon steel, solves refrigerating medium washing away and etching problem cylindrical shell in use.
(2) cylindrical shell of glass steel material, end cap, shell flange possess good overload and damping property.
(3) cylindrical shell of glass steel material, end cap, shell flange have higher inner surface quality and dimensional accuracy, are convenient to the assembling of tube sheet and the sealing of container.
(4) adopt U-shaped heat exchanger tube, tube bank temperature difference compensation performance is good, and fluid flow resistance is little, good heat-transfer, and bearing capacity is strong, applicable to the working condition of higher temperature and pressure.
(5) U-shaped tube bank can be extracted out in housing, and tube bank and housing are all convenient to clean, and ensure the heat transfer effect of heat exchanger.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1 is the utility model structural representation;
Fig. 2 is that the utility model A is to schematic diagram;
Fig. 3 is the utility model shell flange, tube sheet, bobbin carriage syndeton schematic diagram;
1 end cap, 2 shell flanges, 3 bolts, 4 nut A, 5 pads, 6 adapters, 7 flanges, 8 cylindrical shells, 9 U-shaped heat exchanger tubes, 10 deflection plates, 11 pad I, 12 tube sheets, 13 bobbin carriages, 14 fluorine outlet bases, 15 fluorine import bases, 16 nut B, 17 tube case side double-screw bolts, 18 case side double-screw bolts, 19 pad II, 20 straight-through inside and outside silk copper ball valves, 21 valve seats, 22 bearings, 23 distance sink tubes, 24 pull bars, 25 nuts, 26 plain washers in Fig. 1.
In Fig. 2,27 reinforcing studs, 28 taper elastic washers, 29 are reinforced nut.
16 nuts, 17 tube case side double-screw bolts, 18 case side double-screw bolts in Fig. 3.
Detailed description of the invention
As shown in the figure: end cap 1, shell flange 2, adapter 6, flange 7, cylindrical shell 8 all adopt glass steel material global formation or bonding combination forming; Heat transfer element adopts U-shaped heat exchanger tube 9, and material is corrosion-resistant copper pipe, adopts expanded joint and bonding connection with steel tube sheet 12; Cylindrical shell 8 is cylindrical structural, and cylindrical shell 8 one sides arrange shell flange 2 and end cap 1, and shell flange 2 adopts global formation or bonding forming with cylindrical shell 8, in the middle of shell flange 2 and end cap 1, installs pad 5 additional, adopts bolt 3, nut A4 fastening, ensures sealing; Cylindrical shell 8 opposite sides arrange shell flange 2, tube sheet 12 and bobbin carriage 13, shell flange 2 employing same with cylindrical shell 8 global formation or bonding forming, pad I 11, pad II 19 are respectively set between shell flange 2, tube sheet 12, bobbin carriage 13, and adopt respectively case side double-screw bolt 18, tube case side double-screw bolt 17, nut B16 fastening, ensure respectively shell side side and tube side side seal; Reinforcing stud 27 one end are fastened in the middle screw of tube sheet 12, install after pad II 19, through the stud bolt hole in the middle of bobbin carriage 13, install additional after taper elastic washer 28, with reinforcing, nut 29 is fastening, for the auxiliary fastening and sealing between bobbin carriage 13 and tube sheet 12, emphasis is to prevent that bobbin carriage central area from causing two pressure mediums between flow process to leak because being out of shape; Two groups of fluorine outlet bases 14 and two groups of fluorine import bases 15 are set on bobbin carriage 13; In cylindrical shell 8 both upper ends thereof, adapter 6 and flange 7 are set, connect and adopt adhesion to connect; Cylindrical shell 8 cylindrical shell bottom, bottom arranged on left and right sides arrange bearing 22, and material is carbon steel group welding piece, adopts bonding connection with cylindrical shell 8; Cylindrical shell 8 bottoms arrange valve seat 21, and valve seat 21 adopts bonding connection with cylindrical shell 8, for straight-through inside and outside silk copper ball valve 20 is installed; The interior heat transfer element of cylindrical shell 8 adopts U-shaped heat exchanger tube 9, also have deflection plate 10, pull bar 24, distance sink tube 23, nut 25, plain washer 26, deflection plate 10 is upper and lower to be staggered, pull bar 24, distance sink tube 23 assembling vertical with polylith deflection plate 10, pull bar 24 one end are threaded with tube sheet 12, and the other end is fastening through the rear employing plain washer 26 of last piece deflection plate 10, nut 25; With U-shaped heat exchanger tube 9, the common formation of tube sheet 12 assembling heat-exchanging tube bundle, U-shaped heat exchanger tube 9 materials are corrosion-resistant copper pipe, adopt expanded joint to add bonding connection with steel tube sheet 12 again.
Claims (3)
1. a corrosion-resistant case tube heat exchanger, is mainly made up of end cap, shell flange, adapter, flange, cylindrical shell, heat exchanger tube, it is characterized in that cylindrical shell is cylindrical structural, adopts glass steel material global formation or bonding combination forming; Cylindrical shell one side arranges shell flange and end cap, and shell flange and cylindrical shell adopt global formation or bonding forming, in the middle of shell flange and end cap, installs pad additional, and employing bolt, nut A are fastening; Cylindrical shell opposite side arranges shell flange, tube sheet and bobbin carriage, and shell flange and cylindrical shell adopt global formation or bonding forming, pad I is set between shell flange and tube sheet, is connected fastening by case side double-screw bolt, nut B; Pad II is set between tube sheet and bobbin carriage, connects fastening by tube case side double-screw bolt, nut B; Reinforcing stud one end is fastened in the middle screw of tube sheet, installs after pad II, through the stud bolt hole in the middle of bobbin carriage, installs taper elastic washer additional, with reinforcing fastening nuts; Fluorine outlet base, fluorine import base are set on bobbin carriage; Arrange and take over and flange in cylindrical shell both upper ends thereof, connect and adopt bonding connection; Cylindrical shell bottom arranged on left and right sides arranges bearing, and material is carbon steel group welding piece, adopts bonding connection with cylindrical shell; Cylindrical shell bottom arranges valve seat, and valve seat adopts bonding connection with cylindrical shell, for straight-through inside and outside silk copper ball valve is installed.
2. corrosion-resistant case tube heat exchanger according to claim 1, it is characterized in that in cylindrical shell, heat transfer element adopts U-shaped heat exchanger tube, also have deflection plate, pull bar, distance sink tube, nut, plain washer, deflection plate is upper and lower to be staggered, pull bar, distance sink tube is vertical with polylith deflection plate assembles, pull bar one end is threaded with tube sheet, and the other end adopts plain washer, fastening nuts through after last piece deflection plate; With U-shaped heat exchanger tube, the common formation of tube sheet assembling heat-exchanging tube bundle, U-shaped heat exchanger tube material is corrosion-resistant copper pipe, adopts expanded joint to add bonding connection with steel tube sheet again.
3. corrosion-resistant case tube heat exchanger according to claim 1, is characterized in that end cap, shell flange, adapter, flange, all adopts glass steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089608.1U CN203744770U (en) | 2014-03-01 | 2014-03-01 | Anti-corrosion shell-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420089608.1U CN203744770U (en) | 2014-03-01 | 2014-03-01 | Anti-corrosion shell-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744770U true CN203744770U (en) | 2014-07-30 |
Family
ID=51344560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420089608.1U Expired - Lifetime CN203744770U (en) | 2014-03-01 | 2014-03-01 | Anti-corrosion shell-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744770U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884213A (en) * | 2014-03-01 | 2014-06-25 | 瑞冬集团有限公司 | Corrosion-resistant shell and tube heat exchanger |
| CN104110981A (en) * | 2014-08-01 | 2014-10-22 | 张家港化工机械股份有限公司 | U-shaped-pipe heat exchanger |
| CN104864746A (en) * | 2015-06-10 | 2015-08-26 | 江苏广旭热管科技有限公司 | U-shaped tube heat-exchanging unit |
| CN106949777A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | The locating connector and method of PTFE heat exchanger tubes in a kind of heat exchanger |
| CN108613572A (en) * | 2018-05-31 | 2018-10-02 | 刘小冬 | A kind of fiberglass heat exchanger |
-
2014
- 2014-03-01 CN CN201420089608.1U patent/CN203744770U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884213A (en) * | 2014-03-01 | 2014-06-25 | 瑞冬集团有限公司 | Corrosion-resistant shell and tube heat exchanger |
| CN104110981A (en) * | 2014-08-01 | 2014-10-22 | 张家港化工机械股份有限公司 | U-shaped-pipe heat exchanger |
| CN104110981B (en) * | 2014-08-01 | 2016-08-24 | 苏州天沃科技股份有限公司 | U-tube heat exchanger |
| CN104864746A (en) * | 2015-06-10 | 2015-08-26 | 江苏广旭热管科技有限公司 | U-shaped tube heat-exchanging unit |
| CN106949777A (en) * | 2017-04-28 | 2017-07-14 | 上海金由氟材料股份有限公司 | The locating connector and method of PTFE heat exchanger tubes in a kind of heat exchanger |
| CN108613572A (en) * | 2018-05-31 | 2018-10-02 | 刘小冬 | A kind of fiberglass heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |