CN103743290B - A kind of cooling tower and water distribution pipeline thereof - Google Patents
A kind of cooling tower and water distribution pipeline thereof Download PDFInfo
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- CN103743290B CN103743290B CN201410054829.XA CN201410054829A CN103743290B CN 103743290 B CN103743290 B CN 103743290B CN 201410054829 A CN201410054829 A CN 201410054829A CN 103743290 B CN103743290 B CN 103743290B
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- connector
- sealing shroud
- water pipe
- distribution pipeline
- water distribution
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000009826 distribution Methods 0.000 title claims abstract description 43
- 238000001816 cooling Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000000945 filler Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of water distribution pipeline, comprise water pipe and at least one connector, the tube wall of water pipe offers connecting hole, comprises jockey, and water pipe is communicated with by jockey with connector.Jockey comprises connector and sealing shroud, and one end of connector can be overlapped in water pipe, and the other end is stretched out by connecting hole and removably connected by external part and connector; Sealing shroud is sheathed on connector and its one end to be inserted in connecting hole and is tightly connected with water pipe, and the other end and connector are tightly connected; Sealing shroud and connector are coordinated by rotary position limiting structure, to limit the rotation of connector relative to sealing shroud.Compared with prior art, this programme achieves the sealing, fastening and removably connect of water pipe and connector by the jockey setting up said structure, thus improve water distribution pipeline entirety operability, reduce its maintenance cost.On this basis, the invention also discloses a kind of cooling tower comprising above-mentioned water distribution pipeline.
Description
Technical field
The present invention relates to the water distribution pipeline technical field of structures of water circulation cooling device, particularly a kind of cooling tower and water distribution pipeline thereof.
Background technology
Cooling tower uses water as circulating coolant, absorbs heat dissipation in air from a system, to reduce the device of water temperature.
Cooling tower comprises tower body, has the water distribution pipeline of multiple spray head, cooling tower filler and blower fan, and wherein, tower body top offers air outlet, has water storage tank bottom it, its sidewall has air inlet.Assembling is in tower body and be positioned at air outlet place, the outer cooling-air of tower body to enter in tower body and discharges via air outlet under fan action, water distribution pipeline and cooling tower filler are installed in tower body successively along air current flow direction, and the water inlet of water distribution pipeline is communicated with the high-temperature water outlet mouth of external system to be cooled.
The operation principle of this cooling tower is, in system to be cooled, high-temperature water is sprayed to cooling tower filler surface via water distribution pipeline, contact with the Cryogenic air by cooling tower filler, hereat, heat exchange action is produced between high-temperature water and Cryogenic air, high-temperature water is lowered the temperature as cooling water falls in water storage tank, Cryogenic air becomes high temperature air after heating up, this high temperature air is expelled to outside tower body by air outlet under fan action, water storage tank inner cooling water pumps in system to be cooled under water pump effect simultaneously, then gives absorption heat.
Wherein, the typical structure of water distribution pipeline comprises at least one water pipe and the connector for spraying, and wherein, the tube wall of water pipe offers connecting hole, and connector to be plugged in connecting hole and to be connected by welded seal.Although said structure is simple, low cost of manufacture, after connector damages, needs integral replacing water pipe because both connected modes limit, thus cause the maintenance cost of water distribution pipeline higher.
In view of this, those skilled in the art urgently carry out structure improvement to existing water distribution pipeline, to solve because both annexations limit, and cause the problem that water distribution pipeline maintenance cost is high.
Summary of the invention
For above-mentioned defect, the invention provides a kind of cooling tower and water distribution pipeline thereof, to solve because both annexations limit, and cause the problem that water distribution pipeline maintenance cost is high.
For solving the problem, a kind of water distribution pipeline provided by the present invention, comprise water pipe and at least one connector, the tube wall of water pipe offers connecting hole, also comprises jockey, and water pipe is communicated with by jockey with connector.Jockey comprises connector and sealing shroud, and one end of connector can be overlapped in water pipe, and the other end is stretched out by connecting hole and removably connected by external part and connector; Sealing shroud is sheathed on connector and its one end to be inserted in connecting hole and is tightly connected with water pipe, and the other end and connector are tightly connected; Sealing shroud and connector are coordinated by rotary position limiting structure, to limit the rotation of connector relative to sealing shroud.
Compared with prior art, this programme achieves the sealing, fastening and removably connect of water pipe and connector by the jockey setting up said structure, thus improve water distribution pipeline entirety operability, reduce its maintenance cost.
Preferably, described connector comprises left connecting plate, right connecting plate and connecting rod, described left connector is fixedly connected with by described connecting rod with described right connector, and described connector is removably connected by described left connector and described right connector and described connector; Described left connecting plate has left lap-joint flange, and described right connecting plate has right lap-joint flange, and described connector passes through described left lap-joint flange and described right lap-joint flange and described water pipe and overlaps.
Preferably, described rotary position limiting structure comprises the first rotary spacing group and the second rotary spacing group, described first rotary spacing group comprises the first suitable positive stop lug boss and the first limited impression, and described second rotary spacing group comprises the second suitable positive stop lug boss and the second limited impression;
In described first positive stop lug boss and described first limited impression, one is arranged at described connector, another one is arranged at described sealing shroud, in described second positive stop lug boss and described second limited impression, one is arranged at described connector, and another one is arranged at described sealing shroud.
Preferably, described first positive stop lug boss is specially left lap-joint flange, and described second positive stop lug boss is specially described right lap-joint flange.
Preferably, the periphery wall of described sealing shroud end is the conical surface, and described sealing shroud is tightly connected by the hole wall of the described conical surface and described connecting hole.
Preferably, described connector comprises connecting portion and is formed at the peripheral flange of described connecting portion end, described connector is removably connected by described connecting portion and described connector, is connected with the lower surface gluing, sealing of described sealing shroud by the upper surface of described peripheral flange.
Preferably, described jockey also comprises Anti-releasing position limiting structure, when the external applied load putting on described sealing shroud is no more than predetermined value, to limit described sealing shroud relative to described connector along the displacement departed from described water pipe direction.
Preferably, described Anti-releasing position limiting structure comprises spacing group of the first anticreep and spacing group of the second anticreep, spacing group of described first anticreep comprises the 3rd suitable positive stop lug boss and the 3rd limited impression, and spacing group of described second anticreep comprises the 4th suitable positive stop lug boss and the 4th limited impression;
Described 3rd limited impression and described 4th limited impression are opened in the periphery wall of described left connecting plate and described right connecting plate respectively, and described 3rd positive stop lug boss and described 4th positive stop lug boss are arranged at the internal perisporium of described sealing shroud.
Preferably, described connector and described sealing shroud are removably connected by thread connection.
The present invention also provides a kind of cooling tower, comprises water distribution pipeline, and described water distribution pipeline is specially structure as above.
Water distribution pipeline due to said structure has above-mentioned technique effect, and the cooling tower therefore comprising this water distribution pipeline should have same technique effect, does not repeat them here.
Accompanying drawing explanation
The sectional structure schematic diagram of the specific embodiment of Fig. 1 water distribution pipeline provided by the present invention;
Fig. 2 shows A place close-up schematic view in Fig. 1;
Fig. 3 shows the assembling process schematic diagram of water pipe shown in Fig. 1 and connector;
Fig. 4 shows the sectional structure schematic diagram of the assembly of water pipe shown in Fig. 1 and connector;
Fig. 5 shows the perspective cross-sectional structural representation of water distribution pipeline shown in Fig. 1;
Fig. 6 shows the perspective view of sealing shroud shown in Fig. 1;
Fig. 7 shows the main TV structure schematic diagram of sealing shroud described in Fig. 6;
Fig. 8 shows the plan structure schematic diagram of sealing shroud shown in Fig. 6.
Corresponding relation in Fig. 1 to 8 between Reference numeral and all parts title:
1 water pipe, 11 connecting holes, 2 connectors, 21 peripheral flange, 3 connectors, 31 left connecting plates, 311 left lap-joint flanges, 312 the 3rd limited impressions, 32 right connecting plates, 321 right lap-joint flanges, 322 the 4th limited impressions, 33 connecting rods, 4 sealing shrouds, 41 first limited impressions, 42 second limited impressions, 43 the 3rd positive stop lug boss, 44 the 4th positive stop lug boss.
Detailed description of the invention
Core object of the present invention is, provides a kind of cooling tower and water distribution pipeline thereof, by setting up jockey, can realize the quick dismounting of water pipe and connector, thus provide water distribution pipeline operability, reduce its maintenance cost.
Now in conjunction with Figure of description, be circular with cross sectional shape and the water pipe that the shape of connecting hole is circle is example, the structural representation of the specific embodiment of water distribution pipeline provided by the present invention is described, certainly, the jockey provided in the present invention is applicable to cross section and connecting hole is the water pipe of other shapes.In addition, it should be noted that, the involved herein noun of locality " on ", D score, " left side " and " right side ", be that benchmark sets with accompanying drawing, be appreciated that the appearance of the above-mentioned noun of locality does not limit protection scope of the present invention.
Refer to Fig. 1 and Fig. 2, wherein, the sectional structure schematic diagram of the specific embodiment of Fig. 1 water distribution pipeline provided by the present invention, Fig. 2 shows A place close-up schematic view in Fig. 1.
As shown in Figure 1, water distributor that this programme provides 1 tunnel comprises water pipe 1 and connector 2, and the tube wall of water pipe 1 offers connecting hole 11, also comprises jockey, and water pipe 1 is communicated with by jockey with connector 2.This jockey comprises connector 3 and sealing shroud 4, and wherein, one end of connector 3 can be overlapped in water pipe 1, and the other end is stretched out by connecting hole 11 and is threaded with connector 2 by external part; Sealing shroud 4 is sheathed on described connector 3 and its one end to be inserted in connecting hole 11 and is tightly connected with water pipe 1, and its other end and connector 2 are tightly connected; Jockey also comprises rotary position limiting structure, to limit the rotation of connector 3 relative to sealing shroud 4.For the ease of understanding the structure of water distribution pipeline better, please also refer to Fig. 2.
Obviously, compared with prior art, this programme achieves the sealing, fastening and removably connect of water pipe 1 and connector 2 by the jockey setting up said structure, thus improves the operability of water distribution pipeline entirety, and reduces maintenance cost.
Particularly, as shown in Figure 4, the figure shows the sectional structure schematic diagram of the assembly of water pipe 1 shown in Fig. 1 and connector 3.Connector 3 comprises left connecting plate 31, right connecting plate 32 and connecting rod 33, wherein, left connecting plate 31 is fixedly connected with by connecting rod 33 with right connecting plate 32, connector 3 is threaded with connector 2 by left connecting plate 31 and right connecting plate 32, left connecting plate 31 has left lap-joint flange 311, right connecting plate 32 has right lap-joint flange 321, and namely connector 3 can be overlapped in water pipe 1 by left lap-joint flange 311 and right lap-joint flange 321.For the ease of understanding the concrete structure of connector 3 and the assembly structure with water pipe 1 thereof better, please also refer to Fig. 3, the figure shows the assembling process schematic diagram of water pipe 1 shown in Fig. 1 and connector 3.
This programme, by limiting left and right connecting plate 32 and connecting rod 33 and structure thereof and triangular position annexation, achieves the assembly relation of connector 3 and water pipe 1 and connector 2 dexterously.Be appreciated that this connector 3 also can be integrated formed structure or other version on the basis meeting connector 3 function, processing and assembly technology requirement.
In addition, as previously mentioned, above-mentioned jockey also comprises rotary position limiting structure, to limit connector 3 being rotationally connected relative to sealing shroud 4, thus avoids connector 3 and rotates with connector 2 and cannot realize the generation of screw-threaded engagement problem between the two.
Particularly, incorporated by reference to Fig. 5 and Fig. 6, wherein, the perspective view of sealing shroud shown in Fig. 1 is illustrated.Rotary position limiting structure comprises the first rotary spacing group and the second rotary spacing group, and the first rotary spacing group comprises the first suitable positive stop lug boss and the first limited impression 41, second rotary spacing group comprises the second suitable positive stop lug boss and the second limited impression 42; First positive stop lug boss and the second positive stop lug boss are specially left lap-joint flange 311 and right lap-joint flange 321 respectively, and correspondingly, the first limited impression 41 and the second limited impression 42 are opened in the upper surface of sealing shroud 4.For the ease of understanding the concrete structure of rotary position limiting structure better, please also refer to Fig. 2.
Obviously, this programme, by the concrete structure of connector 3, achieves the restriction to connector 3 and sealing shroud 4 revolute pair dexterously, thus further simplifies the structure of jockey.Certainly, on the basis that satisfied restriction connector 3 requires relative to sealing shroud 4 rotating function, processing and assembly technology, position limiting structure also can be arranged independent of lap-joint flange, such as, by other structures that this areas such as alignment pin are conventional.
Further, as shown in Figure 1, in this programme, the end periphery wall of sealing shroud 4 is the conical surface, namely end end diameter is less than connecting hole 11 diameter, its outside diameter is greater than connecting hole 11 diameter, can when without the need to other conventional auxiliary sealing devices, the ingenious and relation that is tightly connected realizing sealing shroud 4 and water pipe 1 of simple and fast.Certainly, sealing shroud 4 and installing hole also can interference fit, thus the mechanical connection relation both realizing between mating surface.
In addition, as shown in Figure 1, connector 2 in this programme comprises connecting portion and is located at the peripheral flange 21 of connecting portion end, connector 2 is threaded with connector 3 by connecting portion, in both screw-threaded engagement processes, connector 2 produces axial displacement relative to sealing shroud 4, until the lower surface of the upper surface of peripheral flange 21 and sealing shroud 4 fits tightly, thus can when without the need to other conventional auxiliary sealing devices, the ingenious and relation that is tightly connected realizing sealing shroud 4 and water pipe 1 of simple and fast.
Be appreciated that and be tightly connected on the basis of function, processing and assembly technology requirement meeting sealing shroud 4 and water pipe 1 and connector 2, between the two also or other conventional machinery sealing means bonding by fluid sealant.
Next, composition graphs 1, Fig. 3 to Fig. 5 illustrate the assembling process on said structure water distributor 1 tunnel, and wherein, Fig. 5 shows the perspective cross-sectional structural representation on the tunnel of water distributor 1 shown in Fig. 1.
The assembling process on above-mentioned water distributor 1 tunnel comprises the steps:
S00) first, by mode in Fig. 1, connector 3 is inserted in water pipe 1 by connecting hole 11, and rotate an angle to connector 3 and can be overlapped in water pipe 1 to state shown in Fig. 2 by left lap-joint flange 311 and right lap-joint flange 321;
S10) then, sealing shroud 4 is inserted in connecting hole 11, and adjustment and the relative position of connector 3 make left lap-joint flange 311 and right lap-joint flange 321 embed correspondingly in the first limited impression 41 and the second limited impression 42 respectively;
S20) last, be threaded connection connector 3 and connector 2, offset to the upper surface of connector 2 peripheral flange 21 and the lower surface of sealing shroud 4, and promote sealing shroud 4 and move to the conical surface of its periphery wall relative to water pipe 1 and hole wall fits.
Further, the jockey in this programme also comprises Anti-releasing position limiting structure, when the external applied load putting on sealing shroud 4 is no more than predetermined force, to limit sealing shroud 4 relative to connector 3 along the displacement departing from water pipe 1 direction.
Particularly, incorporated by reference to Fig. 1, Fig. 6 to Fig. 8, wherein, Fig. 8 shows the plan structure schematic diagram of sealing shroud shown in Fig. 6.Anti-releasing position limiting structure comprises spacing group of the first anticreep and spacing group of the second anticreep, spacing group of first anticreep comprises the 3rd suitable positive stop lug boss 43 and spacing group of the 3rd limited impression 312, second anticreep comprises the 4th suitable positive stop lug boss 44 and the 4th limited impression 322; 3rd limited impression 312 and the 4th limited impression 322 establish the periphery wall of left connecting plate 31 and right connecting plate 32 respectively, and correspondingly, the 3rd positive stop lug boss 43 and the 4th positive stop lug boss 44 are opened in the internal perisporium of sealing shroud 4.
Be appreciated that, on the basis meeting the above-mentioned limit function of Anti-releasing position limiting structure, processing and assembly technology requirement, positive stop lug boss and limited impression also can oppositely be arranged, and namely positive stop lug boss is located at the periphery wall of connector 3, and limited impression is opened in the internal perisporium of sealing shroud 4.
It should be noted that, jockey setting up further by Anti-releasing position limiting structure in this programme, achieve the restriction to external applied load size needed for dismounting sealing sleeve 4, avoid sealing shroud 4 to be come off by water pipe 1 under less external applied load, and when causing connector 2 not to be connected with connector 3, the problem that sealing shroud 4 comes off relative to connector 3, thus simplify installation process, improve the convenience of installation.
As previously mentioned, in this programme, connector 3 and connector 2 are removably connected by suitable internal and external screw thread engagement realization, and particularly, internal thread is arranged at left connecting plate 31 and right connecting plate 32, and external screw thread is arranged at connector 2.Be appreciated that, removably connect on the basis of function, processing and assembly technology requirement between the two meeting connector 3 and connector 2, internal and external screw thread also can oppositely be arranged, and namely internal thread is arranged at connector 2, and external screw thread is arranged at left connecting plate 31 and right connecting plate 32.
In addition, removably connect on the basis of function, processing and assembly technology requirement between the two meeting connector 3 and connector 2, connector 3 and connector 2 also can realize removably connecting by suitable buckle and bayonet socket clamping, other modes that removably connect that those skilled in the art can also be adopted to commonly use.
Except above-mentioned water distribution pipeline, the present invention also provides a kind of cooling tower, and this cooling tower comprises water distribution pipeline, and this water distribution pipeline is specially structure as above.Be appreciated that basic function parts and the operation principle of this cooling tower of formation are identical with prior art, those skilled in the art can realize completely based on prior art, therefore do not repeat them here.
The foregoing is only the preferred embodiment of the present invention, do not form limiting the scope of the present invention.Any any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (7)
1. a water distribution pipeline, comprise water pipe (1) and at least one connector (2), the tube wall of described water pipe (1) offers connecting hole (11), it is characterized in that, also comprise jockey, described water pipe (1) is communicated with by described jockey with described connector (2), described jockey comprises connector (3) and sealing shroud (4), one end of described connector (3) can be overlapped in described water pipe (1), the other end is stretched out by described connecting hole (11) and is removably connected by external part and described connector (2), described sealing shroud (4) is sheathed on described connector (3) and its one end to be inserted in described connecting hole (11) and is tightly connected with described water pipe (1), and the other end and described connector (2) are tightly connected, described sealing shroud (4) and connector (3) are coordinated by rotary position limiting structure, to limit the rotation of described connector (3) relative to sealing shroud (4),
The periphery wall of described sealing shroud (4) end is the conical surface, described sealing shroud (4) is tightly connected by the hole wall of the described conical surface and described connecting hole (11), described connector (2) comprises connecting portion and is formed at the peripheral flange (21) of described connecting portion end, described connector (2) is threaded with described connector (3) by described connecting portion, is connected with the lower surface gluing, sealing of described sealing shroud (4) by the upper surface of described peripheral flange (21).
2. water distribution pipeline as claimed in claim 1, it is characterized in that, described connector (3) comprises left connecting plate (31), right connecting plate (32) and connecting rod (33), described left connector (3) is fixedly connected with by described connecting rod (33) with described right connector (3), and described connector (3) is removably connected with described connector (2) by described left connecting plate (31) and described right connecting plate (32); Described left connecting plate (31) has left lap-joint flange (311), described right connecting plate (32) has right lap-joint flange (321), and described connector (3) is overlapped with described water pipe (1) by described left lap-joint flange (311) and described right lap-joint flange (321).
3. water distribution pipeline as claimed in claim 2, it is characterized in that, described rotary position limiting structure comprises the first rotary spacing group and the second rotary spacing group, described first rotary spacing group comprises the first suitable positive stop lug boss and the first limited impression (41), and described second rotary spacing group comprises the second suitable positive stop lug boss and the second limited impression (42);
Described first positive stop lug boss and the middle one of described first limited impression (41) are arranged at described connector (3), another one is arranged at described sealing shroud (4), described second positive stop lug boss and the middle one of described second limited impression (42) are arranged at described connector (3), and another one is arranged at described sealing shroud (4).
4. water distribution pipeline as claimed in claim 3, it is characterized in that, described first positive stop lug boss is specially left lap-joint flange (311), and described second positive stop lug boss is specially described right lap-joint flange (321).
5. the water distribution pipeline according to any one of claim 2 to 3, it is characterized in that, described jockey also comprises Anti-releasing position limiting structure, when the external applied load putting on described sealing shroud (4) is no more than predetermined value, to limit described sealing shroud (4) relative to described connector (3) along the displacement departed from described water pipe (1) direction.
6. water distribution pipeline as claimed in claim 5, it is characterized in that, described Anti-releasing position limiting structure comprises spacing group of the first anticreep and spacing group of the second anticreep, spacing group of described first anticreep comprises the 3rd suitable positive stop lug boss (43) and the 3rd limited impression (312), and spacing group of described second anticreep comprises the 4th suitable positive stop lug boss (44) and the 4th limited impression (322);
Described 3rd limited impression (312) and described 4th limited impression (322) are opened in the periphery wall of described left connecting plate (31) and described right connecting plate (32) respectively, and described 3rd positive stop lug boss (43) and described 4th positive stop lug boss (44) are located at the internal perisporium of described sealing shroud (4).
7. a cooling tower, comprises water distribution pipeline, it is characterized in that, described water distribution pipeline is specially the water distribution pipeline according to any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054829.XA CN103743290B (en) | 2014-02-18 | 2014-02-18 | A kind of cooling tower and water distribution pipeline thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054829.XA CN103743290B (en) | 2014-02-18 | 2014-02-18 | A kind of cooling tower and water distribution pipeline thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103743290A CN103743290A (en) | 2014-04-23 |
| CN103743290B true CN103743290B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410054829.XA Active CN103743290B (en) | 2014-02-18 | 2014-02-18 | A kind of cooling tower and water distribution pipeline thereof |
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| CN (1) | CN103743290B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108204271B (en) * | 2017-12-29 | 2019-06-14 | 黄山杰尔马热交换***有限公司 | A kind of engine radiator water chamber structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB951823A (en) * | 1961-09-06 | 1964-03-11 | L And P Plastics Ltd | Improvements in pipe connectors |
| FR2306421A1 (en) * | 1975-04-02 | 1976-10-29 | Ferodo Sa | IMPROVEMENTS TO LIQUID COOLING UNITS |
| DK0828964T3 (en) * | 1996-03-25 | 2001-09-17 | Sendenhorst Kunststoffroehren | Studs for concrete pipes |
| US20090051159A1 (en) * | 2007-08-20 | 2009-02-26 | Scott Glenn Cameron | Fluid fitting for an agricultural drip irrigation system |
| CN102128330B (en) * | 2011-01-03 | 2012-06-20 | 王涵琳 | Pipe fitting connector for thin-wall hole |
| CN203687748U (en) * | 2014-02-18 | 2014-07-02 | 烟台荏原空调设备有限公司 | Cooling tower and water distributing pipeline thereof |
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Denomination of invention: A cooling tower and its water distribution pipeline Effective date of registration: 20230411 Granted publication date: 20150916 Pledgee: Mitsubishi UFJ Bank (China) Co.,Ltd. Qingdao Branch Pledgor: EBARA REFRIGERATION EQUIPMENT & SYSTEMS (CHINA) Co.,Ltd. Registration number: Y2023370010037 |
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