CN110567296A - High-efficiency low-resistance lubricating oil cooler - Google Patents
High-efficiency low-resistance lubricating oil cooler Download PDFInfo
- Publication number
- CN110567296A CN110567296A CN201810575492.5A CN201810575492A CN110567296A CN 110567296 A CN110567296 A CN 110567296A CN 201810575492 A CN201810575492 A CN 201810575492A CN 110567296 A CN110567296 A CN 110567296A
- Authority
- CN
- China
- Prior art keywords
- tube
- shell
- heat exchange
- lubricating oil
- tube plate
- 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.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 65
- 239000000498 cooling water Substances 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000002826 coolant Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1607—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with particular pattern of flow of the heat exchange media, e.g. change of flow direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/086—Heat exchange elements made from metals or metal alloys from titanium or titanium alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0229—Double end plates; Single end plates with hollow spaces
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a high-efficiency low-resistance lubricating oil cooler, which comprises a shell and a cooling core body, wherein the shell is provided with a cooling cavity; the left end of the shell is provided with a left tube plate and a left tube box connected with the left tube plate, and the right end of the shell is provided with a right tube plate and a right tube box connected with the right tube plate; a tube pass cooling water inlet and a tube pass cooling water outlet are formed in the left tube box; the upper side surface of the shell is tangentially provided with a shell pass lubricating oil inlet, and the lower side surface of the shell is tangentially provided with a shell pass lubricating oil outlet; the cooling core body comprises a flow guide fastening cylinder and a plurality of heat exchange tubes arranged in parallel, two ends of each heat exchange tube are respectively connected with the left tube plate and the right tube plate, and the flow guide fastening cylinder is wrapped outside the heat exchange tubes; an annular supporting baffle is welded on the flow guide fastening cylinder and is welded and fixed on the left tube plate through a pull rod; the shell is provided with a liquid outlet and an air outlet. The invention has the advantages of high heat exchange efficiency, small flow resistance, compact volume, light weight, low cost, safety, reliability and the like, and is very suitable for high-efficiency heat exchange in the limited space of moving tools such as ships, airplanes, automobiles and the like.
Description
Technical Field
The invention relates to the technical field of heat exchanger manufacturing, in particular to a high-efficiency low-resistance lubricating oil cooler.
Background
The lubricating oil cooler is an important component of a cooling system of a diesel engine for a ship, and a shell-and-tube type and a plate-type are commonly adopted at present. The plate heat exchanger has the advantages of high efficiency and compact structure, but because the heat exchange equipment for ships uses seawater as a cooling medium in common and has strong corrosivity, when the plate type lubricating oil cooler is adopted, the plate must be made of titanium alloy, so that the equipment manufacturing cost is high, the sealing periphery of the plate heat exchanger is too long, the leakage chance is large, hidden dangers exist, and the safe sailing of the ships on the sea is difficult to ensure. The shell-and-tube type lubricating oil cooler has the characteristics of simple structure, safe and reliable operation, high temperature and high pressure resistance, wide material selection range and the like, thereby becoming the first choice of heat exchange equipment for ships. At present, each ship diesel engine cooling system tends to be high-efficient, compact and lightweight, and higher restriction requirement has been proposed to installation space and total weight, but traditional baffling board shell and tube type lubricating oil cooler exists the heat exchange efficiency and hangs down, and flow resistance is big, and the consumptive material is many, and defects such as bulky have restricted ship diesel engine cooling system's rapid development.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-efficiency low-resistance lubricating oil cooler, which adopts a spiral outer rib expansion pipe to replace the traditional heat exchange pipe, changes the shell side supporting mode and optimally designs a cooling core body, thereby improving the heat exchange efficiency of the lubricating oil cooler, reducing the pressure drop and achieving the purposes of compactness and light weight.
The invention is realized by the following technical scheme: the high-efficiency low-resistance lubricating oil cooler comprises a shell and a cooling core body arranged in the shell; the left end of the shell is provided with a left tube plate and a left tube box connected with the left tube plate, and the right end of the shell is provided with a right tube plate and a right tube box connected with the right tube plate; the left tube box is provided with a tube pass cooling water inlet and a tube pass cooling water outlet; the upper side surface of the shell is tangentially provided with a shell pass lubricating oil inlet, and the lower side surface of the shell is tangentially provided with a shell pass lubricating oil outlet; the cooling core body comprises a flow guide fastening cylinder and a plurality of heat exchange tubes arranged in parallel, two ends of each heat exchange tube are respectively connected with the left tube plate and the right tube plate, and the flow guide fastening cylinder is wrapped outside the heat exchange tubes; an annular supporting baffle is welded on the flow guide fastening cylinder and is welded and fixed on the left tube plate through a pull rod; the shell is provided with a liquid outlet and an exhaust port.
the shell-side lubricating oil and the tube-side cooling medium are pure countercurrent heat exchange, and heat exchange is carried out to the maximum extent.
The heat exchange tube adopts a spiral outer rib expansion tube.
The outer surface of the heat exchange tube is provided with external threads, the height of the external threads is 1.0-1.5mm, and the thread space is 1.0-1.2 mm.
The heat exchange tube is divided into three sections, namely an inlet end round tube section, a spiral outer rib expansion tube section positioned in the middle part and used for supporting the heat exchange tube, and an outlet end round tube section; the heat exchange tube is of an asymmetric structure, the length of the inlet end circular tube section is different from that of the outlet end circular tube section, and the circular tube section of the heat exchange tube is longer as the heat exchange tube is closer to the shell-side lubricating oil inlet or the shell-side lubricating oil outlet; the heat exchange tube is welded or expanded with the left tube plate and the right tube plate.
The adjacent heat exchange tubes are mutually supported and blocked by the spiral outer rib expansion tube sections to form a latticed integrated structure.
The heat exchange tubes are arranged in a triangular or square shape.
The cross section of the flow guide fastening cylinder is a parallelogram, and the distance between the flow guide fastening cylinder body which is closer to the shell-side lubricating oil inlet and the left tube plate is longer, or the distance between the flow guide fastening cylinder body which is closer to the shell-side lubricating oil outlet and the right tube plate is longer.
The height of the tube side cooling water inlet is lower than that of the tube side cooling water outlet.
The heat exchange tube is made of a red copper tube, a white copper tube, a naval copper tube or a titanium tube.
Compared with the prior art, the invention has the advantages that:
1) The lubricating oil cooler omits a baffle structure of the traditional lubricating oil cooler, and achieves the self-supporting purpose by utilizing the special geometric shape of the spiral outer rib expansion pipe, so that the repeated baffling collision heat exchange of the fluid inside and outside the pipe is changed into the longitudinal spiral pure countercurrent heat exchange, the effective heat exchange temperature difference is improved, and the shell pass flow resistance is reduced.
2) The tube pass fluid generates obvious secondary flow in the expansion area of the heat exchange tube, the heat boundary layer is continuously washed, heat transfer is enhanced, scaling is not easy to occur, two composite enhancement technologies of threads and spirals are adopted outside the heat exchange tube, and the comprehensive heat exchange performance is superior to that of a single enhancement technology.
3) The spiral outer rib expansion pipe can increase the pipe pass flow cross section by 30-50%, correspondingly reduce the shell pass lubricating oil flow cross section by 30-50%, and achieve the function of directionally regulating and controlling the flow space inside and outside the pipe, thereby improving the pass lubricating oil flow rate, strengthening the side heat release of the lubricating oil, improving the overall heat exchange efficiency by 30-40%, reducing the volume by 20-30%, lightening the weight by 15-20%, and reducing the manufacturing cost of equipment.
4) Spiral outer rib expansion pipe is half the journey of turning round every, all can with about from top to bottom adjacent heat exchange tube in the contact of expansion point department, the heat exchange tube interval is littleer, the structure is compacter, the rigidity of heat exchange tube has been strengthened, for example 2 m's heat exchange tube is along length direction strong point as many as 50, be equivalent to the shell side possess 50 polylith baffling boards, firmly fix the heat exchange tube from the four sides, thoroughly eliminate the heat exchange tube and take place the possibility of any displacement, can solve the vibration problem of heat exchanger well, the operation is safe and reliable more.
5) For the existing longitudinal flow heat exchanger without baffles on the shell side, the pressure drop loss of the inlet and the outlet of the shell side accounts for 50-60% of the total pressure drop of fluid on the shell side. In the invention, the shell side lubricating oil inlet and outlet are designed to be tangent to the side surface of the shell, so that lubricating oil circularly enters and exits from the periphery of the heat exchange tube, and the cross section of the flow guide fastening cylinder is designed to be parallelogram, thereby ensuring that the flow resistance of the lubricating oil at the inlet and outlet is reduced under the condition of not reducing the heat exchange efficiency at the inlet and outlet of the tube bundle, ensuring that the pressure drop of the fluid is completely and longitudinally acted on the rough surface of the spiral outer rib expansion tube, and achieving the dual purposes of enhancing heat transfer and reducing the shell side pressure.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a heat exchange tube according to an embodiment of the present invention.
The reference numerals in the drawings mean: 1. a housing; 2. a left tube sheet; 3. a left tube box; 4. a right tube sheet; 5. a right tube box; 6. a shell-side lubricating oil inlet; 7. a shell-side lubricating oil outlet; 8. a tube pass cooling water inlet; 9. a tube pass cooling water outlet; 10. a flow guide fastening cylinder; 11. an annular support baffle; 12. a pull rod; 13. a heat exchange pipe; 131. an inlet end circular pipe section; 132. a helical outer rib expansion tube section; 133. an outlet end circular pipe section; 14. a liquid discharge port; 15. and (7) an exhaust port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Examples
Referring to fig. 1 and 2, a high-efficiency low-resistance lubricating oil cooler includes a housing 1 and a cooling core body disposed in the housing 1; the left end of the shell 1 is provided with a left tube plate 2 and a left tube box 3 connected with the left tube plate 2, and the right end of the shell 1 is provided with a right tube plate 4 and a right tube box 5 connected with the right tube plate 4; the left tube box 3 is provided with a tube pass cooling water inlet 8 and a tube pass cooling water outlet 9; the upper side surface of the shell 1 is tangentially provided with a shell-side lubricating oil inlet 6, and the lower side surface of the shell 1 is tangentially provided with a shell-side lubricating oil outlet 7; the cooling core body comprises a flow guide fastening cylinder 10 and a plurality of heat exchange tubes 13 arranged in parallel, two ends of each heat exchange tube 13 are respectively connected with the left tube plate 2 and the right tube plate 4, and the flow guide fastening cylinder 10 is wrapped outside the heat exchange tubes 13; an annular supporting baffle 11 is welded on the flow guide fastening cylinder 10, and the annular supporting baffle 11 is welded and fixed on the left tube plate 2 through a pull rod 12; the casing 1 is provided with a liquid discharge port 14 and an exhaust port 15. In this embodiment, the annular supporting baffle 11 is provided with a pull rod 12 hole, and the pull rod 12 is connected to the annular supporting baffle 11 and fixed on the pull rod 12 hole of the tube plate by welding.
The shell-side lubricating oil and the tube-side cooling medium are pure countercurrent heat exchange, and heat exchange is carried out to the maximum extent.
The heat exchange tube 13 is a spiral expansion tube with external ribs.
The outer surface of the heat exchange tube 13 is provided with external threads, the height of the external threads is 1.0-1.5mm, and the thread space is 1.0-1.2 mm.
The heat exchange tube 13 is divided into three sections, namely an inlet end round tube section 131, a spiral outer rib expansion tube section 132 positioned in the middle part for supporting the heat exchange tube 13, and an outlet end round tube section 133; the heat exchange tube 13 is of an asymmetric structure, the length of the inlet end round tube section 131 is different from that of the outlet end round tube section 133, and the round tube section of the heat exchange tube 13 is longer at the position closer to the shell-side lubricating oil inlet 6 or the shell-side lubricating oil outlet 7; the heat exchange tube 13 is welded or expanded with the left tube plate 2 and the right tube plate 4. In this embodiment, the length of the inlet end circular pipe segment 131 is 200-80mm, and the length of the outlet end circular pipe segment 133 is 80-200 mm; the heat exchange tube 13 round tube section near the shell side lubricating oil inlet and outlet is longer, and the heat exchange tube 13 round tube section far away from the shell side lubricating oil inlet and outlet is shorter, so that the resistance loss of the lubricating oil at the inlet and outlet is reduced under the condition that the heat exchange efficiency at the inlet and outlet of the tube bundle is not reduced.
The adjacent heat exchange tubes 13 are supported and blocked by each other by the spiral outer rib expansion tube section 132 to form a grid-like integrated structure.
The heat exchange tubes 13 are arranged in a triangular or square shape.
The cross section of the flow guide fastening cylinder 10 is a parallelogram, and the distance between the flow guide fastening cylinder 10 body which is closer to the shell-side lubricating oil inlet 6 and the left tube plate 2 is longer, or the distance between the flow guide fastening cylinder 10 body which is closer to the shell-side lubricating oil outlet 7 and the right tube plate 4 is longer.
The height of the tube side cooling water inlet 8 is lower than that of the tube side cooling water outlet 9.
The heat exchange tube 13 is made of a red copper tube, a white copper tube, a naval copper tube or a titanium tube.
the high-efficiency low-resistance lubricating oil cooler has the advantages of high heat exchange efficiency, small pressure drop, compact size, light weight, low cost, no vibration, safety, reliability and the like. The cooling medium is fed on the tube side, and the lubricating oil is fed on the shell side. Lubricating oil to be cooled enters a high-efficiency low-resistance lubricating oil cooler (a high-efficiency material-saving energy-saving lubricating oil cooler) from a shell-side lubricating oil inlet 6, flows through a channel between the guide fastening cylinder 10 and the heat exchange tube 13, is cooled, and then flows out of the high-efficiency low-resistance lubricating oil cooler from a shell-side lubricating oil outlet 7. The shell-side lubricating oil presents a longitudinal variable-space spiral flow form due to the self-supporting effect of the spiral outer rib expansion pipe, the flow cross section of the pipe side can be increased by 30-50% through the spiral outer rib expansion pipe, and the flow cross section of the shell-side lubricating oil is correspondingly reduced by 30-50%, so that the flow velocity of the shell-side lubricating oil is improved, the heat transfer is effectively enhanced, the pressure drop is reduced, two composite enhancing technologies of threads, threads and spirals are machined outside the heat exchange pipe 13, the comprehensive heat exchange performance is superior to that of a single enhancing technology, the overall heat exchange efficiency can be improved by 30-40%, the volume is reduced by 20-30%, the weight is reduced by 15-20.
The shell side lubricating oil inlet 6 and the shell side lubricating oil outlet 7 are designed to be tangent to the shell 1, lubricating oil circularly enters and exits from the periphery of the heat exchange tube 13, an inlet end round tube section 131 of the heat exchange tube 13 close to the shell side lubricating oil inlet 6 is longer, an outlet end round tube section 133 of the heat exchange tube 13 far away from the shell side lubricating oil outlet 7 is shorter, and meanwhile, the cross section of the flow guide fastening cylinder 10 is designed to be parallelogram, so that the pressure drop at the shell side inlet and outlet of the lubricating oil cooler is reduced under the condition that the heat exchange efficiency at the inlet and outlet of the heat exchange tube 13 is not reduced, and the total pressure drop.
The cooling medium enters from the tube pass cooling water inlet 8, flows through the interior of the heat exchange tube 13 and flows out from the tube pass cooling water outlet 9, and the cooling medium generates obvious secondary flow in the expansion area of the heat exchange tube 13, so that the heat boundary layer is continuously washed, the heat transfer is enhanced, and the scaling is not easy to occur. The shell side exhaust port 15 is used for exhausting air in the shell 1 when the heat exchanger starts to operate, and the shell side liquid outlet port 14 is used for exhausting media in the shell side after the heat exchanger stops operating.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. High-efficient low resistance lubricating oil cooler, its characterized in that: comprises a shell and a cooling core body arranged in the shell; the left end of the shell is provided with a left tube plate and a left tube box connected with the left tube plate, and the right end of the shell is provided with a right tube plate and a right tube box connected with the right tube plate; the left tube box is provided with a tube pass cooling water inlet and a tube pass cooling water outlet; the upper side surface of the shell is tangentially provided with a shell pass lubricating oil inlet, and the lower side surface of the shell is tangentially provided with a shell pass lubricating oil outlet; the cooling core body comprises a flow guide fastening cylinder and a plurality of heat exchange tubes arranged in parallel, two ends of each heat exchange tube are respectively connected with the left tube plate and the right tube plate, and the flow guide fastening cylinder is wrapped outside the heat exchange tubes; an annular supporting baffle is welded on the flow guide fastening cylinder and is welded and fixed on the left tube plate through a pull rod; the shell is provided with a liquid outlet and an exhaust port.
2. The high efficiency, low resistance lube cooler of claim 1 wherein: the heat exchange tube adopts a spiral outer rib expansion tube.
3. The high efficiency low resistance lube cooler of claim 1 or 2 further comprising: the outer surface of the heat exchange tube is provided with external threads, the height of the external threads is 1.0-1.5mm, and the thread space is 1.0-1.2 mm.
4. The high efficiency, low resistance lube cooler of claim 3 wherein: the heat exchange tube is divided into three sections, namely an inlet end round tube section, a spiral outer rib expansion tube section positioned in the middle part and used for supporting the heat exchange tube, and an outlet end round tube section; the heat exchange tube is of an asymmetric structure, the length of the inlet end circular tube section is different from that of the outlet end circular tube section, and the circular tube section of the heat exchange tube is longer as the heat exchange tube is closer to the shell-side lubricating oil inlet or the shell-side lubricating oil outlet; the heat exchange tube is welded or expanded with the left tube plate and the right tube plate.
5. The high efficiency, low resistance lube cooler of claim 4 wherein: the adjacent heat exchange tubes are mutually supported and blocked by the spiral outer rib expansion tube sections to form a latticed integrated structure.
6. The high efficiency, low resistance lube cooler of claim 1 wherein: the heat exchange tubes are arranged in a triangular or square shape.
7. The high efficiency, low resistance lube cooler of claim 4 wherein: the cross section of the flow guide fastening cylinder is a parallelogram, and the distance between the flow guide fastening cylinder body which is closer to the shell-side lubricating oil inlet and the left tube plate is longer, or the distance between the flow guide fastening cylinder body which is closer to the shell-side lubricating oil outlet and the right tube plate is longer.
8. The high efficiency, low resistance lube cooler of claim 1 wherein: the height of the tube side cooling water inlet is lower than that of the tube side cooling water outlet.
9. The high efficiency, low resistance lube cooler of claim 1 wherein: the heat exchange tube is made of a red copper tube, a white copper tube, a naval copper tube or a titanium tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575492.5A CN110567296A (en) | 2018-06-06 | 2018-06-06 | High-efficiency low-resistance lubricating oil cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810575492.5A CN110567296A (en) | 2018-06-06 | 2018-06-06 | High-efficiency low-resistance lubricating oil cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110567296A true CN110567296A (en) | 2019-12-13 |
Family
ID=68772108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810575492.5A Pending CN110567296A (en) | 2018-06-06 | 2018-06-06 | High-efficiency low-resistance lubricating oil cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110567296A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828673A (en) * | 2021-02-02 | 2021-05-25 | 王丽梅 | Cooling and lubricating system of numerical control lathe |
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| CN103063056A (en) * | 2012-12-28 | 2013-04-24 | 朱冬生 | Pipe casing type heat exchanger |
| CN103471414A (en) * | 2013-09-18 | 2013-12-25 | 中国科学院广州能源研究所 | Efficient freezing dehydrator |
| CN104913546A (en) * | 2014-03-12 | 2015-09-16 | 中国科学院广州能源研究所 | Pure countercurrent compact type pipe folding economizer |
| CN104913663A (en) * | 2014-03-12 | 2015-09-16 | 中国科学院广州能源研究所 | Tube shell pass volume-adjustable longitudinal turbulence oil cooler |
| CN105605951A (en) * | 2016-03-22 | 2016-05-25 | 郑州大学 | Novel variable-cross-section twisted tube heat exchanger |
| CN206959674U (en) * | 2017-06-08 | 2018-02-02 | 中国科学院广州能源研究所 | A kind of 3 D deformation with internal-rib becomes space heat exchanger tube |
| CN208347854U (en) * | 2018-06-06 | 2019-01-08 | 中国科学院广州能源研究所 | A kind of compact shell-and-tube Marine Diesel Engine oil cooler |
-
2018
- 2018-06-06 CN CN201810575492.5A patent/CN110567296A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551207A (en) * | 2009-05-15 | 2009-10-07 | 营口庆营石化设备总厂 | Shell-and-tube heat exchanger with oblate tube |
| CN102410754A (en) * | 2011-12-15 | 2012-04-11 | 中冶焦耐(大连)工程技术有限公司 | Novel high-efficiency tar heat exchanger |
| CN103063056A (en) * | 2012-12-28 | 2013-04-24 | 朱冬生 | Pipe casing type heat exchanger |
| CN103471414A (en) * | 2013-09-18 | 2013-12-25 | 中国科学院广州能源研究所 | Efficient freezing dehydrator |
| CN104913546A (en) * | 2014-03-12 | 2015-09-16 | 中国科学院广州能源研究所 | Pure countercurrent compact type pipe folding economizer |
| CN104913663A (en) * | 2014-03-12 | 2015-09-16 | 中国科学院广州能源研究所 | Tube shell pass volume-adjustable longitudinal turbulence oil cooler |
| CN105605951A (en) * | 2016-03-22 | 2016-05-25 | 郑州大学 | Novel variable-cross-section twisted tube heat exchanger |
| CN206959674U (en) * | 2017-06-08 | 2018-02-02 | 中国科学院广州能源研究所 | A kind of 3 D deformation with internal-rib becomes space heat exchanger tube |
| CN208347854U (en) * | 2018-06-06 | 2019-01-08 | 中国科学院广州能源研究所 | A kind of compact shell-and-tube Marine Diesel Engine oil cooler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112828673A (en) * | 2021-02-02 | 2021-05-25 | 王丽梅 | Cooling and lubricating system of numerical control lathe |
| CN112828673B (en) * | 2021-02-02 | 2022-03-04 | 王丽梅 | Cooling and lubricating system of numerical control lathe |
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