CN100535571C - Gas low temperature heat exchanger capable of self eliminating stress and pollution proof - Google Patents
Gas low temperature heat exchanger capable of self eliminating stress and pollution proof Download PDFInfo
- Publication number
- CN100535571C CN100535571C CNB2006101181372A CN200610118137A CN100535571C CN 100535571 C CN100535571 C CN 100535571C CN B2006101181372 A CNB2006101181372 A CN B2006101181372A CN 200610118137 A CN200610118137 A CN 200610118137A CN 100535571 C CN100535571 C CN 100535571C
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- tube
- shell
- low temperature
- temperature heat
- 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 - Fee Related
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to gas low temperature heat exchanger with apontaneous subsiding stress energy pollution prevention. It includes low temperature heat exchanger tunnel body, below end plate, up end plate, A, B, C, and D four tube and shell heat exchangers, tube plate, shoe plate, tube pass inlet pipe and outlet pipe, shell pass inlet pipe and outlet pipe. The shell body of the four tube and shell heat exchangers adopted U shape heat exchanger is narrow rectangle. And the four is set in the low temperature heat exchanger tunnel body and connected each other in series. The low temperature heat exchanger adopts 0Cr18Ni9/304 which has little gas permeability, smooth and wear-proof inner surface, strong corrosion resistance, stable performance, and can prevent the air from polluting. In addition, it can remove the stress by itself caused by flatulence due to heat and cold to improve its selling performance. The invention has great economic and social benefits.
Description
Technical field
What the present invention relates to is a kind of gas low temperature heat exchanger, and particularly a kind of have from the antipollution gas low temperature heat exchanger of stress-removal energy.Belong to cryogenic engineering and cryogenic technique field.
Background technology
Shanghai City State Scientific and Technological Commission major project: in the system research of Alpha magnetic spectrometer 02 (AMS-02) ground-support equipment, the ground-support equipment system finishes the important system of cooling, test and superfluid helium filling to superconducting magnet before the AMS-02 emission.This cover system will be finished the cooling of AMS-02 superconducting magnet from the environment temperature to 1.8K and the overall process of filling with superfluid helium, wherein the 300-80K controlled cooling system is the important subsystem in the low temperature ground-support equipment system of AMS-02 detector, its mainly act on be realize the AMS-02 magnet from normal temperature (about 300K) to cooling near liquid nitrogen temperature (about 80K).The used medium of this subsystem is the normal temperature helium, uses low temperature heat exchanger that it is cooled to liquid nitrogen temperature, and the desired medium purity of this cover system is very high, reaches 99.999%, so that low temperature heat exchanger must guarantee is anti-pollution.Existing low temperature heat exchanger, its material mainly are mild steel or copper, and the gas permeability of low-carbon steel material is bigger, and the oxygen in the atmosphere, moisture infiltration are easily come in; Though the copper pipe thermal conductivity factor is bigger, the copper pipe inner surface is very high to impurity activity, causes corrosion easily, and copper pipe also is inferior to stainless anti-wear performance, and the metallic dust that produces under airflow scouring is more relatively.In addition at low temperatures, the effect of expanding with heat and contract with cold of heat exchanger material is more remarkable, can produce bigger stress, makes its sealing property not reach expected effect, causes the gas in the heat exchanger contaminated.In the prior art, the patent No. is 03219108.1, the utility model patent that name is called " automatic ash removing and from the stress-removal high-temperature heat-exchanging " is plate pipe, outer tube and the heat exchanger tube syndeton that replaces corrugated compensator with graphite annulus, and good seal, capable of expansion and contraction can effectively eliminate stress.But the medium purity that this utility model obtained is not very high, and complex structure.The patent No. is 200520069007.5, the utility model patent that name is called " high-temperature heat pipe gas-to-gas heat exchanger " provide a kind of can reduce the dust stratification clogging, pollution-free, hot blast temperature is high and high-temperature heat pipe gas-to-gas heat exchanger that equipment volume is little.But the employed heat exchanger tube of this patent is a straight tube, does not have the influence of the stress heat exchanging device sealing property that considering expands with heat and contract with cold is produced.Above-mentioned patent all is the occasion that is applied in high temperature, and does not reach and satisfy anti-pollution simultaneously and from the requirement of stress-removal.
Summary of the invention
For deficiency and the defective that overcomes prior art, the invention provides that a kind of have can antipollution gas low temperature heat exchanger from stress-removal.The present invention is achieved through the following technical solutions, and the present invention includes low temperature heat exchanger cylindrical shell, low temperature heat exchanger low head, low temperature heat exchanger upper cover, A, B, C and four shell-and-tube heat exchangers of D, tube sheet, gripper shoe, low temperature heat exchanger tube side inlet tube, low temperature heat exchanger tube side outlet, low temperature heat exchanger shell side inlet tube and low temperature heat exchanger shell side outlet.Wherein tube sheet is positioned at the upper end of low temperature heat exchanger cylindrical shell, and low temperature heat exchanger upper cover and low temperature heat exchanger cylindrical shell upper end all weld together with the tube sheet outer rim; Four shell-and-tube heat exchangers are vertical narrow passage, are square formation and are arranged in the low temperature heat exchanger cylindrical shell, and its housing is narrow rectangle, and semicircular upper cover and narrow rectangular case upper end weld together with tube sheet respectively; Gripper shoe is positioned at the bottom of low temperature heat exchanger cylindrical shell, and the narrow rectangular case lower end of four shell-and-tube heat exchangers and gripper shoe welding leave the gap between gripper shoe and the low temperature heat exchanger cylinder inboard wall; The U-shaped heat exchanger tube of two groups of equal numbers is seated in respectively in adjacent two narrow rectangular case of shell-and-tube heat exchanger, two straight lengths of one group of U-shaped heat exchanger tube pass A, B shell-and-tube heat exchanger bottom support plate respectively, and two straight length end and tube sheet weld together; Two straight lengths of another group U-shaped heat exchanger tube pass C, D shell-and-tube heat exchanger bottom support plate respectively, and two straight length end also welds together with tube sheet.The U-shaped pipeline section of two groups of U-shaped heat exchanger tubes is positioned at below the gripper shoe, and the straight length of U-shaped heat exchanger tube is equilateral triangle and arranges in vertical narrow passage shell-and-tube heat exchanger rectangular case.Low temperature heat exchanger tube side inlet tube, low temperature heat exchanger tube side outlet, low temperature heat exchanger shell side inlet tube and low temperature heat exchanger shell side outlet all pass the low temperature heat exchanger upper cover and are welded to connect with the low temperature heat exchanger upper cover.Four vertical shell-and-tube heat exchangers are connected in series, have the tube side inlet hole at B shell-and-tube heat exchanger upper cover center, low temperature heat exchanger tube side inlet tube is connected with the tube side inlet hole, A shell-and-tube heat exchanger upper cover and C shell-and-tube heat exchanger upper cover are communicated with by tube connector, D shell-and-tube heat exchanger upper cover center has the tube side outlet opening, and low temperature heat exchanger tube side outlet is connected with the tube side outlet opening; Low temperature heat exchanger shell side inlet tube is connected with D shell-and-tube heat exchanger housing upper inlet, the housing outlet of D shell-and-tube heat exchanger bottom and the housing import of C shell-and-tube heat exchanger bottom are connected, the housing outlet on C shell-and-tube heat exchanger top and the housing import on A shell-and-tube heat exchanger housing top are connected, the housing outlet of A shell-and-tube heat exchanger lower housing portion and the housing import of B shell-and-tube heat exchanger lower housing portion are connected, and low temperature heat exchanger shell side outlet is connected with the outlet of B shell-and-tube heat exchanger housing top.On each narrow rectangular pipe type heat exchanger shell inwall, all be welded with three deflection plates, with the importer of the breach direction of the nearest deflection plate of shell-and-tube heat exchanger housing import and housing gas to opposite, all the other interlaced successively placements, guarantee that the distance between the deflection plate is uniform in housing, guarantee that simultaneously the straight length of U-shaped heat exchanger tube is vertical mutually with tube sheet.
The heat insulating construction that this low temperature heat exchanger adopts two-sided aluminium plating terylene film or aluminium foil and sheathing paper to make up at interval one by one.Its used material all is 0Cr18Ni9/304, and the inwall of heat exchanger tube and housing all adopted the electropolishing processing, the gas permeability of this kind material is little, inner surface is smooth and wear-resistant, resistance to corrosion strong, stable performance, prevented that gas is contaminated.Have some apertures at the tube sheet periphery, make in the low temperature heat exchanger upper cover and the low temperature heat exchanger cylindrical shell between pressure reduction be zero, prevented the narrow rectangular case pressurized of tube sheet welding deformation and shell-and-tube heat exchanger effectively.Two ports of the straight length of the U-shaped heat exchanger tube of this low temperature heat exchanger are fixed on the same tube sheet, and tube bank can freely be stretched, and are irrelevant with other pipe and housing, thereby solved the thermal compensation problem.The U-shaped heat exchanger tube and the gripper shoe of this heat exchanger do not weld together, and each rectangle narrow passage shell-and-tube heat exchanger does not have low head yet.Because the effect of expanding with heat and contract with cold under the low temperature is more remarkable, such layout makes the U-shaped heat exchanger tube freely to stretch, and the thermal (temperature difference) stress of generation is eliminated voluntarily, has reduced therefore and the tube bank and the housing distortion that produce.Leave the space between the gripper shoe of this low temperature heat exchanger and the low temperature heat exchanger cylinder inboard wall, gripper shoe can move up and down along with expanding with heat and contract with cold of shell-and-tube heat exchanger housing, the stress of generation is eliminated voluntarily, finally make the housing seal performance of shell-and-tube heat exchanger good, prevented that gas is contaminated.
The high temperature gas medium that flows into from low temperature heat exchanger tube side inlet tube enters in the B shell-and-tube heat exchanger upper cover, U-shaped heat exchanger tube by B shell-and-tube heat exchanger and A shell-and-tube heat exchanger flows in the U-shaped heat exchanger tube of C shell-and-tube heat exchanger and D shell-and-tube heat exchanger again, and the outlet opening by D shell-and-tube heat exchanger upper cover flows out through low temperature heat exchanger tube side outlet at last; The cryogenic gas medium that flows into from low temperature heat exchanger shell side inlet tube enters in the D shell-and-tube heat exchanger housing, by C shell-and-tube heat exchanger and A shell-and-tube heat exchanger, arrive again in the B shell-and-tube heat exchanger housing, flow out through low temperature heat exchanger shell side outlet by the outlet of B shell-and-tube heat exchanger housing at last.
Beneficial effect of the present invention: the used material of this low temperature heat exchanger is 0Cr18Ni9/304, and the inwall of heat exchanger tube and housing has all adopted the electropolishing processing, the gas permeability of this kind material is little, inner surface is smooth and wear-resistant, resistance to corrosion strong, stable performance, has prevented that gas is contaminated.In addition at low temperatures, considered the stress that expands with heat and contract with cold and produced of material, stress can be eliminated voluntarily, improved its sealing property, finally made the low temperature heat exchanger good seal performance, prevented that gas is contaminated.Have remarkable economic efficiency and social benefit.
Description of drawings
Fig. 1 is a low temperature heat exchanger internal structure master schematic diagram of the present invention;
Fig. 2 is a low temperature heat exchanger internal structure of the present invention left side schematic diagram;
Fig. 3 is a low temperature heat exchanger internal structure vertical view of the present invention;
Fig. 4 is a low temperature heat exchanger shell side gas medium flow schematic diagram of the present invention.
Among the figure, the 1st, low temperature heat exchanger upper cover, the 2nd, low temperature heat exchanger cylindrical shell, the 3rd, low temperature heat exchanger low head, the 4th, A shell-and-tube heat exchanger, the 5th, B shell-and-tube heat exchanger, the 6th, C shell-and-tube heat exchanger, the 7th, D shell-and-tube heat exchanger, the 8th, tube sheet, the 9th, gripper shoe, the 10th, low temperature heat exchanger tube side inlet tube, the 11st, low temperature heat exchanger tube side outlet, the 12nd, low temperature heat exchanger shell side inlet tube, the 13rd, low temperature heat exchanger shell side outlet, the 14th, deflection plate, the 15th, U-shaped heat exchanger tube.
The specific embodiment:
Below in conjunction with accompanying drawing concrete enforcement of the present invention is further described.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention includes low temperature heat exchanger upper cover 1, low temperature heat exchanger cylindrical shell 2, low temperature heat exchanger low head 3, A shell-and-tube heat exchanger 4, B shell-and-tube heat exchanger 5, C shell-and-tube heat exchanger 6, D shell-and-tube heat exchanger 7, tube sheet 8, gripper shoe 9, low temperature heat exchanger tube side inlet tube 10, low temperature heat exchanger tube side outlet 11, low temperature heat exchanger shell side inlet tube 12 and low temperature heat exchanger shell side outlet 13.Wherein tube sheet 8 is positioned at the upper end of low temperature heat exchanger cylindrical shell 2, and low temperature heat exchanger upper cover 1 and low temperature heat exchanger cylindrical shell 2 upper ends all weld together with tube sheet 8 outer rims; A shell-and-tube heat exchanger 4, B shell-and-tube heat exchanger 5, C shell-and-tube heat exchanger 6 and D shell-and-tube heat exchanger 7 are vertical narrow passage, being square formation is arranged in the low temperature heat exchanger cylindrical shell 2, its housing is rectangular, and semicircular upper cover and narrow rectangular case upper end weld together with tube sheet 8 respectively; Gripper shoe 9 is positioned at the bottom of low temperature heat exchanger cylindrical shell 2, and the narrow rectangular case bottom of four shell-and-tube heat exchangers and gripper shoe 9 welding leave the gap between gripper shoe 9 and low temperature heat exchanger cylindrical shell 2 inwalls; Select 38 U-shaped heat exchanger tubes 15 for use, be divided into two groups, the two ends straight length of one group of 19 U-shaped heat exchanger tube 15 passes gripper shoe 9 respectively and is seated in the narrow rectangular case of adjacent A shell-and-tube heat exchanger 4 and B shell-and-tube heat exchanger 5; Two straight lengths of other 19 U-shaped heat exchanger tubes 15 pass gripper shoe 9 respectively and are seated in the narrow rectangular case of adjacent C shell-and-tube heat exchanger 6 and D shell-and-tube heat exchanger 7, and the straight length end of two groups of U-shaped heat exchanger tubes 15 all welds together with tube sheet 8.The U-shaped pipeline section is positioned at below the gripper shoe, and the straight length of U-shaped heat exchanger tube 15 is equilateral triangle and arranges in vertical narrow passage shell-and-tube heat exchanger rectangular case.Low temperature heat exchanger tube side inlet tube 10, low temperature heat exchanger tube side outlet 11, low temperature heat exchanger shell side inlet tube 12 and low temperature heat exchanger shell side outlet 13 all pass low temperature heat exchanger upper cover 1 and are welded to connect with low temperature heat exchanger upper cover 1.Four vertical shell-and-tube heat exchangers are connected in series, have the tube side inlet hole at B shell-and-tube heat exchanger 5 upper cover centers, low temperature heat exchanger tube side inlet tube 10 is connected with the tube side inlet hole, A shell-and-tube heat exchanger 4 upper covers and C shell-and-tube heat exchanger 6 upper covers are communicated with by tube connector, D shell-and-tube heat exchanger 7 upper cover centers have the tube side outlet opening, and low temperature heat exchanger tube side outlet 11 is connected with the tube side outlet opening; Low temperature heat exchanger shell side inlet tube 12 is connected with D shell-and-tube heat exchanger 7 housing upper inlet, the housing outlet of D shell-and-tube heat exchanger 7 bottoms and the housing import of C shell-and-tube heat exchanger 6 bottoms are connected, the housing outlet on C shell-and-tube heat exchanger 6 tops and the housing import on A shell-and-tube heat exchanger 4 housing tops are connected, the housing outlet of A shell-and-tube heat exchanger 4 lower housing portion and the housing import of B shell-and-tube heat exchanger 5 lower housing portion are connected, and low temperature heat exchanger shell side outlet 13 is connected with the outlet of B shell-and-tube heat exchanger 5 housing tops.On each narrow rectangular pipe type heat exchanger shell inwall, all be welded with three deflection plates 14, with the importer of the breach direction of the nearest deflection plate 14 of shell-and-tube heat exchanger housing import and housing gas to opposite, all the other interlaced successively placements, guarantee that the distance between the deflection plate 14 is uniform in housing, guarantee that simultaneously the straight length of U-shaped heat exchanger tube 15 is vertical mutually with tube sheet 8.
The used material of this low temperature heat exchanger all is 0Cr18Ni9/304, heat insulating construction is to adopt two-sided aluminium plating terylene film or aluminium foil and sheathing paper to combine at interval one by one, the inwall of U-shaped heat exchanger tube 15 and narrow rectangular case has all adopted the electropolishing processing, because the gas permeability of this kind material is little, inner surface is smooth and wear-resistant, resistance to corrosion strong, stable performance, prevented that gas is contaminated.Have some apertures at tube sheet 8 peripheries, make in the low temperature heat exchanger upper cover 1 and the pressure reduction between the low temperature heat exchanger cylindrical shell 2 is zero, prevented the narrow rectangular case pressurized of tube sheet 8 welding deformations and shell-and-tube heat exchanger effectively.Because two ports of straight length of the U-shaped heat exchanger tube 15 of this low temperature heat exchanger all are fixed on the same tube sheet 8, tube bank can freely be stretched, and is irrelevant with other pipe and housing, thereby solved the thermal compensation problem.The U-shaped heat exchanger tube 15 and the gripper shoe 9 of this heat exchanger do not weld together, and each rectangle narrow passage shell-and-tube heat exchanger does not have low head yet.Because the effect of expanding with heat and contract with cold under the low temperature is more remarkable, such layout makes U-shaped heat exchanger tube 15 freely to stretch, and the thermal (temperature difference) stress of generation is eliminated voluntarily, has reduced therefore and the tube bank and the housing distortion that produce.Leave the space between the gripper shoe 9 of this low temperature heat exchanger and low temperature heat exchanger cylindrical shell 2 inwalls, gripper shoe 9 can move up and down along with expanding with heat and contract with cold of shell-and-tube heat exchanger housing, the stress of generation is eliminated voluntarily, finally make the housing seal performance of shell-and-tube heat exchanger good, prevented that gas is contaminated.
The high temperature gas medium that flows into from low temperature heat exchanger tube side inlet tube 10 enters in B shell-and-tube heat exchanger 5 upper covers, U-shaped heat exchanger tube 15 by B shell-and-tube heat exchanger 5 and A shell-and-tube exchanger 4 flows in the U-shaped heat exchanger tube 15 of C shell-and-tube heat exchanger 6 and D shell-and-tube heat exchanger 7 again, and the outlet opening by D shell-and-tube heat exchanger 7 upper covers flows out through low temperature heat exchanger tube side outlet 11 at last; The cryogenic gas medium that flows into from low temperature heat exchanger shell side inlet tube 12 enters in D shell-and-tube heat exchanger 7 housings, by C shell-and-tube heat exchanger 6 and A shell-and-tube heat exchanger 4, arrive again in B shell-and-tube heat exchanger 5 housings, flow out through low temperature heat exchanger shell side outlet 13 by the outlet of B shell-and-tube heat exchanger 5 housings at last.
Claims (5)
1. one kind has from the antipollution gas low temperature heat exchanger of stress-removal energy, comprise low temperature heat exchanger upper cover (1), low temperature heat exchanger cylindrical shell (2), low temperature heat exchanger low head (3), low temperature heat exchanger tube side inlet tube (10), low temperature heat exchanger tube side outlet (11), low temperature heat exchanger shell side inlet tube (12) and low temperature heat exchanger shell side outlet (13), U-shaped heat exchanger tube (15), it is characterized in that also comprising A shell-and-tube heat exchanger (4), B shell-and-tube heat exchanger (5), C shell-and-tube heat exchanger (6), D shell-and-tube heat exchanger (7), tube sheet (8) and gripper shoe (9), wherein tube sheet (8) is positioned at the upper end of low temperature heat exchanger cylindrical shell (2), and low temperature heat exchanger upper cover (1) and low temperature heat exchanger cylindrical shell (2) upper end all weld together with tube sheet (8) outer rim; A shell-and-tube heat exchanger (4), B shell-and-tube heat exchanger (5), C shell-and-tube heat exchanger (6) and D shell-and-tube heat exchanger (7) are vertical narrow passage, being square formation is arranged in the low temperature heat exchanger cylindrical shell (2), its housing is rectangular, and semicircular upper cover and narrow rectangular case upper end weld together with tube sheet (8) respectively; Gripper shoe (9) is positioned at the bottom of low temperature heat exchanger cylindrical shell (2), and the narrow rectangular case bottom of four shell-and-tube heat exchangers and gripper shoe (9) welding leave the gap between gripper shoe (9) and low temperature heat exchanger cylindrical shell (2) inwall; The U-shaped heat exchanger tube (15) of two groups of equal numbers is seated in respectively in adjacent two narrow rectangular case, and the two ends straight length of one group of U-shaped heat exchanger tube (15) passes gripper shoe (9) respectively and is seated in the narrow rectangular case of adjacent A shell-and-tube heat exchanger (4) and B shell-and-tube heat exchanger (5); Two straight lengths of another group U-shaped heat exchanger tube (15) pass gripper shoe (9) respectively and are seated in the narrow rectangular case of adjacent C shell-and-tube heat exchanger (6) and D shell-and-tube heat exchanger (7), and the straight length end of two groups of U-shaped heat exchanger tubes (15) all welds together with tube sheet 8; The U-shaped pipeline section is positioned at below the gripper shoe (9), and the straight length of U-shaped heat exchanger tube (15) is equilateral triangle and arranges in vertical narrow passage shell-and-tube heat exchanger rectangular case; Low temperature heat exchanger tube side inlet tube (10), low temperature heat exchanger tube side outlet (11), low temperature heat exchanger shell side inlet tube (12) and low temperature heat exchanger shell side outlet (13) all pass low temperature heat exchanger upper cover (1) and are welded to connect with low temperature heat exchanger upper cover (1); Four shell-and-tube heat exchangers are connected in series, have the tube side inlet hole at B shell-and-tube heat exchanger (5) upper cover center, low temperature heat exchanger tube side inlet tube (10) is connected with the tube side inlet hole, A shell-and-tube heat exchanger (4) upper cover and C shell-and-tube heat exchanger (6) upper cover are communicated with by tube connector, D shell-and-tube heat exchanger (7) upper cover center has the tube side outlet opening, and low temperature heat exchanger tube side outlet (11) is connected with the tube side outlet opening; Low temperature heat exchanger shell side inlet tube (12) is connected with D shell-and-tube heat exchanger (7) housing upper inlet, the housing outlet of D shell-and-tube heat exchanger (7) bottom and the housing import of C shell-and-tube heat exchanger (6) bottom are connected, the housing outlet and the housing import on A shell-and-tube heat exchanger (4) housing top on C shell-and-tube heat exchanger (6) top are connected, the housing outlet of A shell-and-tube heat exchanger (4) lower housing portion and the housing import of B shell-and-tube heat exchanger (5) lower housing portion are connected, and low temperature heat exchanger shell side outlet (13) is connected with the outlet of B shell-and-tube heat exchanger (5) housing top.
2. according to claim 1 have from the antipollution gas low temperature heat exchanger of stress-removal energy, it is characterized in that on each narrow rectangular pipe type heat exchanger shell inwall, all being welded with three deflection plates (14), with the importer of the breach direction of the nearest deflection plate (14) of shell-and-tube heat exchanger housing import and housing gas to opposite, all the other interlaced successively placements, guarantee that the distance between the deflection plate (14) is uniform in housing, guarantee that simultaneously the straight length of U-shaped heat exchanger tube (15) is vertical mutually with tube sheet (8).
3. according to claim 1 have from the antipollution gas low temperature heat exchanger of stress-removal energy, it is characterized in that the used material of described low temperature heat exchanger all is 0Cr18Ni9/304, heat insulating construction is the structure that adopts two-sided aluminium plating terylene film structure or aluminium foil and sheathing paper to combine at interval one by one.
4. according to claim 1 have from the antipollution gas low temperature heat exchanger of stress-removal energy, it is characterized in that the inwall of described U-shaped heat exchanger tube (15) and narrow rectangular pipe type heat exchanger shell has all adopted the electropolishing processing.
5. according to claim 1 have from the antipollution gas low temperature heat exchanger of stress-removal energy, it is characterized in that described tube sheet (8) periphery has some apertures, leaves the space between gripper shoe (9) and low temperature heat exchanger cylindrical shell (2) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101181372A CN100535571C (en) | 2006-11-09 | 2006-11-09 | Gas low temperature heat exchanger capable of self eliminating stress and pollution proof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101181372A CN100535571C (en) | 2006-11-09 | 2006-11-09 | Gas low temperature heat exchanger capable of self eliminating stress and pollution proof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1948884A CN1948884A (en) | 2007-04-18 |
| CN100535571C true CN100535571C (en) | 2009-09-02 |
Family
ID=38018468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101181372A Expired - Fee Related CN100535571C (en) | 2006-11-09 | 2006-11-09 | Gas low temperature heat exchanger capable of self eliminating stress and pollution proof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100535571C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995175A (en) * | 2009-08-21 | 2011-03-30 | 张家港市华凌化工机械有限公司 | Shell-and-tube heat exchanger |
| CN102435632B (en) * | 2011-09-14 | 2013-05-22 | 上海交通大学 | Testing system for researching flow boiling heat transfer character and pressure drop character of cryogenic fluid |
| CN102601584B (en) * | 2012-03-21 | 2014-06-18 | 中冶南方(武汉)威仕工业炉有限公司 | Assembling method of end socket protective shell of finned tube exchanger |
| CN103033076B (en) * | 2012-12-12 | 2014-07-02 | 中国航天科技集团公司第六研究院第十一研究所 | High-pressure, large-flow, low-temperature liquid nitrogen/helium heat exchange device |
| CN103411448B (en) * | 2013-08-26 | 2015-05-13 | 常熟市高压容器制造有限公司 | Shell and tube heat exchanger system |
| CN105202821B (en) * | 2015-11-03 | 2019-01-18 | 维克（天津）有限公司 | A kind of mutli-system integration formula evaporator |
-
2006
- 2006-11-09 CN CNB2006101181372A patent/CN100535571C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1948884A (en) | 2007-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100535571C (en) | Gas low temperature heat exchanger capable of self eliminating stress and pollution proof | |
| CN207422956U (en) | A kind of novel graphite heat exchanger | |
| CN202254969U (en) | Niobium cooler | |
| CN111721150A (en) | Compact multi-stage series PCHE heat exchanger and heat exchange method | |
| CN201722400U (en) | All-welded double-flow gas preheater with corrugated plates | |
| CN108061471A (en) | A kind of multiple-unit composite screw plate heat exchanger | |
| CN114623707A (en) | Compact heat exchanger for multi-fluid heat exchange and heat exchange method | |
| CN102269420B (en) | Cast iron plate-type air preheater | |
| CN203132400U (en) | Vertical floating head type heat exchanger | |
| CN101922435A (en) | Double-layer integrally-built-in cryogenic pump | |
| CN109654909B (en) | High-temperature high-pressure fine shell-and-tube heat exchanger | |
| CN114688900B (en) | Multi-module combined plate-fin heat exchanger | |
| CN103063075A (en) | Tube box structure of tube type heat exchanger | |
| CN113405381B (en) | Circular heat transfer device of piecemeal and heat exchanger | |
| CN215177132U (en) | Composite heat transfer regenerator | |
| CN210426197U (en) | Braided filler type superhigh temperature and superhigh pressure heat exchanger | |
| CN113566611A (en) | U-shaped pipe three-flow heat exchanger | |
| CN2789261Y (en) | Gas primary cooler | |
| CN219914082U (en) | High-temperature gas-gas heat exchanger | |
| CN213335702U (en) | Air-to-air heat exchanger | |
| CN101526318A (en) | Thin-tube-plate segment anodic protection stainless steel shell-and-tube concentrated sulfuric acid cooling tower | |
| CN109780892A (en) | A kind of Low and mid temperature heat recovery Organic Rankine Cycle double pipe heat exchanger | |
| CN209991822U (en) | Round-corner tube box air cooler tube bundle | |
| RU217290U1 (en) | Unified utilization thermoelectric generator of marine design | |
| CN220567968U (en) | Conduction mechanism and microchannel plate type heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20121109 |