CN115014014A - Cooling water circulation device for lubricating grease production - Google Patents
Cooling water circulation device for lubricating grease production Download PDFInfo
- Publication number
- CN115014014A CN115014014A CN202210774307.1A CN202210774307A CN115014014A CN 115014014 A CN115014014 A CN 115014014A CN 202210774307 A CN202210774307 A CN 202210774307A CN 115014014 A CN115014014 A CN 115014014A
- Authority
- CN
- China
- Prior art keywords
- lubricating grease
- cooling water
- drainage
- water circulation
- circulation device
- 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
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- 239000004519 grease Substances 0.000 title claims abstract description 72
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 56
- 239000000498 cooling water Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000000110 cooling liquid Substances 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 40
- 238000000034 method Methods 0.000 description 14
- 230000003993 interaction Effects 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D1/00—Devices using naturally cold air or cold water
- F25D1/02—Devices using naturally cold air or cold water using naturally cold water, e.g. household tap water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a cooling water circulating device for producing lubricating grease, which comprises a pipe body for conveying the lubricating grease, wherein a cylinder body is arranged on the outer wall of the pipe body, a preset gap is kept between the cylinder body and the pipe body to form a fluid cavity, and cooling liquid flows in the fluid cavity; the inner wall of the pipe body is provided with an extension body, the extension body is of a multi-curved-surface structure, and the extension body is of a hollow structure and communicated with the fluid cavity. According to the cooling water circulation device for producing the lubricating grease, the lubricating grease is maximally contacted with the cooling system, so that the flowing cooling water can take the problem in the lubricating grease away to the greatest extent, the temperature of the lubricating grease is reduced, the cooling system is optimized, and the cooling effect is provided.
Description
Technical Field
The invention relates to the technical field of water-cooled tube structures, in particular to a cooling water circulating device for lubricating grease production.
Background
The lubricating grease is common lubricating oil on the market, is used for a friction part of a machine and plays a role in lubrication and sealing. Also used on metal surface to fill gap and prevent rust. And the lubricating grease is stored in a sealed barrel body for storage in a sticky state for many years.
According to patent No. CN201380033464.6, publication (publication) date: 2017-03-08 disclosed is a cooling water circulation device used in an N0x lowering system in which a urea injector is disposed higher than an engine, characterized in that a first three-way branch portion is provided at the highest position of a first path for returning cooling water led out from the engine to the engine after passing through the urea injector, and an upward first deaeration port is added, and the first deaeration port is connected to a water tank for the cooling water via a deaeration connection pipe, and the water tank is disposed higher than the urea injector.
According to publication (bulletin) No.: CN101947687A, publication (public notice) day: 2011-01-19, a projection welder cooling water circulating device, includes cooling tank, booster pump, circulating line, the circulating line is established to cooling tank bottom one side, the export of pipeline connects back to the cooling tank the last booster pump of installing of circulating line. When the invention is used, hot waste water in the cooling tank flows through the circulating pipeline at the bottom under the action of the booster pump, and is fully radiated in the circulating pipeline, and finally flows back to the cooling tank, so that cooling water is fully utilized.
In the production link of the lubricating grease, a water cooling system is required to be designed for heating and mixing the liquid for rapid cooling, and the common cooling system, namely the water cooling system, has the characteristic of low specific cost and is the basic principle of the water cooling system in the prior art including the patents. The water cooling arrangement in the lubricating grease production link is simple, namely a multi-curved-surface cold water pipeline is arranged at the axis of the lubricating grease conveying pipeline, and the heat of the lubricating grease passing through is taken away by utilizing the circulating cooling water, so that the reduction is realized. The cooling of the water cooling system mainly depends on contacting a heat source to the cooling pipeline as much as possible, so that heat is taken away as much as possible in the flowing process.
Disclosure of Invention
The invention aims to provide a cooling water circulating device for producing lubricating grease, which increases the contact area between the lubricating grease and a cooling system so as to optimize the cooling effect.
In order to achieve the above purpose, the invention provides the following technical scheme: a cooling water circulation device for producing lubricating grease comprises a pipe body used for conveying lubricating grease, wherein a cylinder body is arranged on the outer wall of the pipe body, a preset gap is kept between the cylinder body and the pipe body to form a fluid cavity, and cooling fluid flows in the fluid cavity;
the inner wall of the pipe body is provided with an extension body, the extension body is of a multi-curved-surface structure, and the extension body is of a hollow structure and communicated with the fluid cavity.
Preferably, the extension is a screw.
Preferably, the extension body is made of copper material having a thickness of 1 mm.
Preferably, the outer wall of the extension body is provided with a plurality of drainage grooves for forming a plurality of split flows in the grease spirally flowing through the extension body.
Preferably, the drainage grooves are aligned with the spiral direction of the extension body, and the plurality of drainage grooves are arranged outward from the axial center of the extension body.
Preferably, the drainage groove comprises an arc-shaped groove and a vortex flow guide groove, one end of the arc-shaped groove is communicated with the surface of the extension body, and the other end of the arc-shaped groove is communicated with the vortex flow guide groove.
Preferably, a drainage plate is arranged in the fluid cavity, and the end part of the drainage plate extends into the hollow structure of the extension body.
Preferably, the drainage plate is made of a hard copper material having a radius of 0.2 mm.
Preferably, the drainage plate is provided with a plurality of drainage raised lines.
Preferably, the plurality of the flow guide projection lines include a clockwise spiral arrangement and a counterclockwise spiral arrangement, and the flow guide projection lines of the clockwise spiral arrangement and the flow guide projection lines of the counterclockwise spiral arrangement are symmetrically arranged with respect to the center of the vortex guide groove.
In the technical scheme, the cooling water circulation device for producing the lubricating grease provided by the invention has the following beneficial effects: the cylinder is additionally arranged on the pipe body, so that a fluid cavity is formed between the pipe body and the cylinder, the cooling liquid flows in the fluid cavity, the flowing cooling liquid can enter the extending body extending into the pipe body, the extending body is of a multi-curved-surface structure, the contact surface between the lubricating grease and a cooling system is the largest in the conveying process, and the cooling liquid is utilized to drive heat to the maximum extent.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of an overall structure provided by an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 3 is a schematic view of a point A according to an embodiment of the present invention;
FIG. 4 is a schematic view of a section B provided in the embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a tube according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a flow guide plate according to an embodiment of the present invention.
Description of reference numerals:
1. a pipe body; 2. a barrel; 3. a fluid chamber; 4. an extension body; 5. a drainage groove; 51. an arc-shaped slot; 52. a vortex diversion trench; 6. a drainage plate; 61. and (4) draining the convex line.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1-6, a cooling water circulation device for grease production comprises a tube body 1 for transporting grease, a cylinder 2 disposed on the outer wall of the tube body 1, and a predetermined gap maintained between the tube body and the cylinder 2 to form a fluid chamber 3, wherein a cooling fluid flows in the fluid chamber 3;
the inner wall of the tube body 1 is provided with an extension body 4, the extension body 4 is of a multi-curved-surface structure, and the extension body 4 is of a hollow structure and is communicated with the fluid cavity 3.
Specifically, the cylinder 2 in the above embodiment includes a water inlet and a water outlet, and is arranged along the conveying direction of the grease, and the cooling liquid enters the fluid chamber 3 from the water inlet, and is filled in the extension body 4, and then is discharged from the water outlet, so as to take away heat in the flowing process of the liquid.
Further, the extension 4 in the above embodiment has a multi-curved structure, which may be a w-shaped structure, a u-shaped structure, an arc-shaped structure, or the like. Extension body 4 in the scheme extends to the inside of barrel 2 to when the coolant liquid is cooling barrel 2, also cool down to the inside of barrel 2 equally, and increase the area of contact with lubricating grease with the help of the characteristics of its many curved surfaces.
Among the above-mentioned technical scheme, increase barrel 2 on body 1 for form fluid chamber 3 between body 1 and the barrel 2, and the coolant liquid is then located the flow in fluid chamber 3, and inside the coolant liquid that flows also can get into the extension body 4 that extends to in the body 1, for extension body 4 is many curved surfaces structure, and this makes lubricating grease at the in-process of carrying, and is the biggest with the cooling system contact surface, and the maximize utilizes the coolant liquid to drive the heat.
As a further embodiment of the present invention, the extension body 4 in the solution is specifically an auger.
Further, the extension body 4 is made of copper material having a thickness of 1 mm.
Specifically, the screw direction of the auger is consistent with the conveying direction along the lubricating grease, and the lubricating grease rotates due to the auger in the conveying process, so that the liquid-like lubricating grease is subjected to liquid interaction, the effect of the liquid-like lubricating grease is optimized, and a certain mixing effect is achieved.
As another embodiment of the present invention, a plurality of drainage grooves 5 are formed in an outer wall of one side of the extension 4, and the plurality of drainage grooves 5 are used to form a plurality of split flows in the grease spirally flowing through the extension 4. In particular, the drainage grooves 5 in the above embodiments can be irregularly arranged on the side of the extension body 4; or laterally along its surface. The split flow refers to that liquid lubricating grease forms water resistance when flowing through the drainage groove 5, so that the liquid passing through the water resistance has slow flow rate, the liquid on the low flow rate side is sucked by the high flow rate side, the liquid on the water resistance is taken away quickly, and the liquid on the water resistance is close to the surface of the extension body 4 flowing cooling liquid in the water resistance, so that the temperature of the liquid close to the water resistance can be brought back to the lubricating grease. In addition, in the process of conveying the lubricating grease, the lubricating grease rotates due to the screw conveyer, so that the liquid lubricating grease is subjected to liquid interaction, and the temperature reduction speed of the lubricating grease in the conveying process is increased.
As a further preferred embodiment of the present invention, the drainage grooves 5 are formed in the same spiral direction as the extension body 4, and a plurality of drainage grooves 5 are formed outward from the axial center of the extension body 4.
Further, the drainage groove 5 comprises an arc-shaped groove 51 and a vortex flow guide groove 52, one end of the arc-shaped groove 51 is communicated with the surface of the extension body 4, and the other end of the arc-shaped groove 51 is communicated with the vortex flow guide groove 52. And the lubricating grease is positioned in the vortex guide groove 52 to form a vortex flow velocity which is larger than that formed by the extension body 4.
Specifically, in the above embodiments, as can be seen from fig. 1 and 3, the distribution of the drainage grooves 5 in the embodiments is arranged from the axial center of the extension body 4 to the outside, because the grease is transported by the auger and rotates, and during the transportation, the grease passes through the drainage grooves 5, when flowing through the drainage grooves 5, the grease enters the vortex drainage grooves 52 through the arc-shaped grooves 51, when the grease flows through the drainage grooves 5, a water resistance is formed, so that the flow rate of the liquid passing through the water resistance is slow, the liquid enters the vortex drainage grooves 52, and flows along the vortex drainage grooves 52 along with the flow, and along with the rotation, the liquid at the low flow rate side is sucked by the high flow rate side, so that the liquid at the water resistance is quickly taken away, and the liquid at the water resistance is all the extension body 4 which flows the cooling liquid in close proximity, it can be brought back into the grease close to the water stop. And the liquid-like lubricating grease is subjected to liquid interaction, so that the temperature reduction speed of the lubricating grease in the conveying process is accelerated.
In a further embodiment of the present invention, as can be seen from fig. 2, a flow guide plate 6 is arranged in the fluid chamber 3, and the end of the flow guide plate 6 extends into the hollow structure of the extension body 4.
Furthermore, the drainage plate 6 is made of a hard copper material with a radius of 0.2 mm.
Specifically, when the liquid enters the fluid chamber 3 from the water inlet and fills the fluid chamber 4, and then is discharged from the water outlet, the liquid will encounter the obstruction of the drainage plate 6, and is guided by the drainage plate 6 to enter the extension 4, and then flows along the spiral direction of the extension 4, so that the cooling liquid flows to the water outlet in a spiral manner instead of flowing irregularly in the cavity state, the cooling liquid flowing in a spiral manner can ensure the renewal of the liquid and the contact between the renewal cooling liquid and the extension 4, so that the lubricating grease will rotate due to the screw during the transportation process, and will pass through the drainage groove 5 during the transportation process, and will enter the vortex diversion groove 52 through the arc groove 51 when flowing through the drainage groove 5, and when the lubricating grease flows through the drainage groove 5, a water block will be formed, therefore, the liquid passing through the water resistor has slow flow rate, the liquid can enter the vortex guide groove 52 and flows along the vortex guide groove 52 along with the flow, and along with the rotation, the liquid at the position of the water resistor is taken away quickly because the liquid at the low flow rate side is attracted by the high flow rate side, and the liquid at the position of the water resistor is close to the surface of the extension body 4 flowing the cooling liquid in the water resistor, so that the temperature of the liquid at the position of the water resistor can be brought back to the lubricating grease. And the liquid-like lubricating grease is subjected to liquid interaction, so that the temperature reduction speed of the lubricating grease in the conveying process is accelerated.
In a further preferred embodiment of the present invention, a plurality of drainage projection lines 61 are provided on the drainage plate 6.
Further, the plurality of flow guide protrusion lines 61 include a clockwise spiral arrangement and a counterclockwise spiral arrangement, and the flow guide protrusion lines 61 arranged in the clockwise spiral arrangement and the flow guide protrusion lines 61 arranged in the counterclockwise spiral arrangement are arranged symmetrically with respect to the center of the scroll guide groove 52.
Specifically, in the embodiment, the drainage protrusion lines 61 are divided into two types, one type is arranged in a counterclockwise spiral manner, the other type is arranged in a clockwise spiral manner, and the two types of drainage protrusion lines 61 are symmetrically arranged about the center of the vortex flow guiding groove 52, under the action of the two types of drainage protrusion lines 61, the flow velocity of the liquid drained by the drainage protrusion lines 61 at both sides is greater than the central flow velocity, that is, the flow velocity of the liquid at the contact part of the vortex flow guiding groove 52, because the liquid at the low flow velocity side is sucked by the high flow velocity side, the liquid at the contact part of the vortex flow guiding groove 52 is exchanged with the liquid at both sides, so that the liquid supplemented below enters the contact part of the vortex flow guiding groove 52 preferentially, and when the liquid enters the fluid cavity 3 from the water inlet and is filled in the extension body 4, and then is discharged from the water outlet, the liquid meets the obstruction of the drainage plate 6 and is guided into the extension body 4 through the drainage plate 6, then the cooling liquid flows along the spiral direction of the extension body 4, so that the cooling liquid flows to the water outlet in a spiral mode to be discharged, but not in a cavity state, the cooling liquid flows irregularly, the cooling liquid flowing spirally can ensure the renewal of the liquid, and the contact between the renewed cooling liquid and the extension body 4, so that in the process of conveying the lubricating grease, the lubricating grease rotates due to the fact that the lubricating grease passes through the auger, and in the process of conveying the lubricating grease passes through the drainage groove 5, the lubricating grease enters the vortex flow guide groove 52 through the arc-shaped groove 51 when flowing through the drainage groove 5, a water resistance is formed when the lubricating grease flows through the drainage groove 5, so that the flow rate of the liquid passing through the water resistance is slow, the liquid enters the vortex flow guide groove 52 and flows along the vortex flow guide groove 52 along with the flowing, and along with the rotation, and the liquid on the low flow rate side is sucked by the high flow rate side, therefore, the liquid at the water resistance is quickly taken away, and the liquid at the water resistance is close to the surface of the extension body 4 flowing with the cooling liquid, so that the liquid can be brought back to the lubricating grease at the position close to the water resistance. And the liquid-like lubricating grease is subjected to liquid interaction, so that the temperature reduction speed of the lubricating grease in the conveying process is accelerated.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The cooling water circulation device for producing the lubricating grease is characterized by comprising a pipe body (1) for conveying the lubricating grease, wherein a cylinder body (2) is arranged on the outer wall of the pipe body (1), a preset gap is kept between the cylinder body and the pipe body to form a fluid cavity (3), and cooling liquid flows in the fluid cavity (3);
the inner wall of the pipe body (1) is provided with an extending body (4), the extending body (4) is of a multi-curved-surface structure, and the extending body (4) is of a hollow structure and is communicated with the fluid cavity (3).
2. The cooling water circulation device for grease production according to claim 1, wherein the extension body (4) is embodied as an auger.
3. A cooling water circulation device for grease production according to claim 2, characterized in that the extension body (4) is made of copper material with a thickness of 1 mm.
4. The cooling water circulation device for producing lubricating grease according to claim 1, wherein the outer wall of one side of the extension body (4) is provided with a plurality of drainage grooves (5), and the plurality of drainage grooves (5) are used for forming a plurality of split flows in the lubricating grease spirally flowing through the extension body (4).
5. The cooling water circulation device for grease production according to claim 4, wherein the drainage grooves (5) are in the same spiral direction as the extension body (4), and a plurality of drainage grooves (5) are arranged outward from the axial center of the extension body (4).
6. The cooling water circulation device for lubricating grease production according to claim 4, wherein the drainage groove (5) comprises an arc-shaped groove (51) and a vortex flow guide groove (52), one end of the arc-shaped groove (51) is communicated with the surface of the extension body (4), and the other end of the arc-shaped groove (51) is communicated with the vortex flow guide groove (52).
7. The cooling water circulation device for lubricating grease production according to claim 1, wherein a drainage plate (6) is arranged in the fluid cavity (3), and the end of the drainage plate (6) extends into the hollow structure of the extension body (4).
8. The cooling water circulation device for grease production according to claim 7 wherein the flow guiding plate (6) is made of a stiff copper material with a radius of 0.2 mm.
9. The cooling water circulation device for grease production according to claim 7, wherein a plurality of drainage protrusion lines (61) are provided on the drainage plate (6).
10. The cooling water circulation device for grease production according to claim 9, wherein the plurality of the drainage protrusion lines (61) include a clockwise spiral arrangement and a counterclockwise spiral arrangement, and the drainage protrusion lines (61) of the clockwise spiral arrangement and the drainage protrusion lines (61) of the counterclockwise spiral arrangement are arranged symmetrically with respect to the center of the scroll guide groove (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210774307.1A CN115014014A (en) | 2022-07-01 | 2022-07-01 | Cooling water circulation device for lubricating grease production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210774307.1A CN115014014A (en) | 2022-07-01 | 2022-07-01 | Cooling water circulation device for lubricating grease production |
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| Publication Number | Publication Date |
|---|---|
| CN115014014A true CN115014014A (en) | 2022-09-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210774307.1A Pending CN115014014A (en) | 2022-07-01 | 2022-07-01 | Cooling water circulation device for lubricating grease production |
Country Status (1)
| Country | Link |
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| CN (1) | CN115014014A (en) |
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| CN106643262A (en) * | 2016-12-20 | 2017-05-10 | 江苏萃隆精密铜管股份有限公司 | Efficient heat transfer pipe with evaporating function and condensing function |
| CN206847454U (en) * | 2017-06-26 | 2018-01-05 | 浙江天台亿高节能科技有限公司 | A kind of high-efficiency spiral heat exchanger tube |
| CN207528109U (en) * | 2017-11-16 | 2018-06-22 | 南方英特空调有限公司 | A kind of radiator flat tube with tear type recess |
| CN214892803U (en) * | 2020-07-28 | 2021-11-26 | 江苏新方圆电气设备制造有限公司 | Novel fluid conveying pipe for heat exchange and heat exchange equipment |
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| CN2893620Y (en) * | 2006-02-27 | 2007-04-25 | 北京美联桥科技发展有限公司 | Spiral notch heat exchange tube |
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