CN109434084B - Production of marine diesel cylinder head is with spraying cooling formula cold water jar - Google Patents
Production of marine diesel cylinder head is with spraying cooling formula cold water jar Download PDFInfo
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- CN109434084B CN109434084B CN201811160306.8A CN201811160306A CN109434084B CN 109434084 B CN109434084 B CN 109434084B CN 201811160306 A CN201811160306 A CN 201811160306A CN 109434084 B CN109434084 B CN 109434084B
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- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D30/00—Cooling castings, not restricted to casting processes covered by a single main group
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Abstract
The invention discloses a spray cooling type cold water tank for producing a cylinder cover of a marine diesel engine, which comprises a tank body, wherein the middle part of the upper end of the tank body is provided with a water inlet pipe, one side of the bottom of the tank body is provided with a water outlet pipe, the tank body positioned at the bottom of the water inlet pipe is internally provided with an aeration pipe, the aeration pipe is provided with a plurality of aeration holes which are uniformly distributed, the tank body is an open cylindrical tank body, the upper end of the tank body is provided with a fixing plate, the water inlet pipe is fixed at the upper end of the tank body through the fixing plate, the water inlet pipe positioned in the tank body is provided with a flow dividing pipe, the bottom of the flow dividing pipe is in a closed state, the side wall of the flow dividing pipe is provided with a plurality of flow dividing holes which are uniformly distributed, the, the air cooling effect is improved, the energy consumption of the electronic refrigeration pipe is reduced, the cost is saved, and the overall cooling efficiency is improved.
Description
The technical field is as follows:
the invention relates to the technical field of cylinder cover production and processing, in particular to a spraying cooling type cold water tank for production of a marine diesel engine cylinder cover.
Background art:
the cylinder cover is a component made of cast iron or aluminum alloy, is an installation base body of the valve mechanism, is also a sealing cover of the cylinder, and forms a combustion chamber with the cylinder and the top of the piston; because of the very high casting liquid temperature of casting, need pass through longer cooling time after the casting shaping, before the cooling is accomplished, can't carry out the mould of getting of cylinder head and the recovery of mould, not only influenced cast production efficiency, also lead to the increase of casting mould quantity, it is the cost to have improved the mould by a wide margin, is not conform to the needs of modernized production, in order to accelerate production efficiency, generally all adopts the water-cooled cooling to reduce the cooling for time with higher speed.
Along with the development of the times, water resources are gradually deficient, the concept of water saving is more and more emphasized, for enterprises in recent years, the design of rain and sewage diversion and the environmental protection law are more and more strict, so that the enterprises pay more and more attention to sewage treatment, the sewage production amount is reduced as much as possible, and for condensed water, the condensed water is recycled, so that not only is the water saved, but also the sewage amount of the enterprises is greatly reduced, and a large amount of funds are saved for the enterprises.
At present, a common cold water tank is basically one or two simple water storage tanks, one water storage tank is easy to mix returned warm water with original cold water to reduce the heat energy of the cold water, the cooling effect is poor, and the two tank bodies are too large in size and easy to cause unnecessary waste, so that the water storage tank capable of preventing cold water and hot water from being mixed is important;
some cold water tanks that current cold and hot mix all adopt the mode of directly pouring into when advancing backward flow hot water, and such cooling efficiency is poor to it is big to lead to holistic cooling energy consumption, and is with high costs.
The invention content is as follows:
the prior art is difficult to meet the requirements of people, and in order to solve the existing problems, the invention provides a spraying cooling type cold water tank for producing a marine diesel engine cylinder cover.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a marine diesel cylinder head production is with spraying cooling formula cold water jar, includes a jar body, its characterized in that: a water inlet pipe is arranged in the middle of the upper end of the tank body, a water outlet pipe is arranged on one side of the bottom of the tank body, an aeration pipe is arranged in the tank body at the bottom of the water inlet pipe, and a plurality of uniformly distributed aeration holes are formed in the aeration pipe;
the jar body is the cylindrical cell body of uncovered formula, and jar body upper end is equipped with the fixed plate, the inlet tube passes through the fixed plate to be fixed in jar body upper end, is located jar internal portion be equipped with the shunt tubes on the inlet tube, the shunt tubes bottom is the closure state, and is equipped with a plurality of evenly distributed's diffluent hole on the shunt tubes lateral wall.
Preferably, jar body one side is equipped with the aeration fan, be equipped with the honeycomb duct on the aeration fan, and the aeration fan passes through the honeycomb duct and is connected with the aeration pipe, the aeration pipe is the ring form pipeline that the diameter reduces gradually, and communicates through the connecting pipe between the aeration pipe, aeration socle portion is equipped with the connecting rod, the connecting rod bottom is equipped with the temperature-sensing ware.
Furthermore, the tank body positioned at the bottom of the temperature sensor is internally provided with an electronic refrigeration pipe fixedly connected, one side of the tank body is provided with a refrigerator fixedly connected and matched with the electronic refrigeration pipe, and the refrigerator is connected with the electronic refrigeration pipe.
Furthermore, the temperature sensor is electrically connected with the refrigerator.
Preferably, the internal portion of jar is equipped with assorted and swing joint's division board, the division board middle part is equipped with the intercommunicating pore, the intercommunicating pore both sides are equipped with the adjustment tank of symmetric distribution, all be equipped with the breakwater of the same and symmetric distribution of size in the adjustment tank, be equipped with the regulating plate under division board center department, the regulating plate upper end is equipped with a plurality of evenly distributed and fixed connection's first loose-leaf hinge, the both ends of first loose-leaf hinge all are equipped with the push rod of slope and symmetric distribution, the push rod upper end all is equipped with second loose-leaf hinge, second loose-leaf hinge one end and push rod fixed connection, and the second loose-leaf hinge other end and breakwater bottom fixed connection, the regulating plate bottom is equipped with a plurality of evenly distributed's connecting wire, connecting wire bottom and jar body bottom.
Further, the regulating plate bottom is equipped with a plurality of backup pads that just evenly distributed mutually perpendicular with the regulating plate, backup pad bottom and regulating plate bottom parallel and level.
Furthermore, a clamping block is arranged on the side face of the water baffle positioned on one side in the communicating hole, a clamping groove clamped with the clamping block is arranged on the side face of the water baffle positioned on the other side in the communicating hole, and a first rubber layer is arranged on the surface of the clamping block.
Furthermore, the water diversion plate and the water baffle are both made of materials with density lower than that of water and good heat insulation effect.
Preferably, be equipped with a plurality of symmetries and evenly distributed's slide bar on the internal wall of jar, be equipped with a plurality of and slide bar assorted spouts on the water diversion plate, and the water diversion plate side all is equipped with evenly distributed's second rubber layer, the water diversion plate passes through the form of spout and slide bar and jar internal wall sliding connection. Through slide bar and spout, can carry out effectual fixing with the board that divides water, prevent that the board atress inequality that divides water from leading to the board upset that divides water, lead to dividing the water failure, the setting on second rubber layer, further improvement the sealing ability of the board that divides water, the effectual interference of hot water to cold water that has prevented.
The cold water and the hot water in the tank body are effectively separated by using the water dividing plate, so that the tank body forms a cold water area and a hot water area, the water temperature of the water outlet pipe outlet water can be effectively ensured, the cooling effect of the cooling water is ensured, the communication hole is formed in the middle of the water dividing plate, the water blocking plate is arranged in the communication hole, the cooled water can enter the cold water area for use by utilizing the closing of the water blocking plate, the adjusting plate and the push rod are arranged at the bottom of the water blocking plate, when the water blocking plate is closed, the water in the cold water area is continuously reduced, the water in the hot water area is continuously increased, so that the water dividing plate inevitably slides downwards, when the water slides to the bottom, the adjusting plate pushes the push rod to recover the water blocking plate into the adjusting groove, so that the communication hole is opened, the cooled cold water continuously enters the cold water area, the water dividing plate can continuously float upwards due, the adjusting plate is pulled down, and the water baffles are closed through the transmission of the connecting rod, so that cold water stops entering a cold water area, cold water and hot water are isolated, the cold water and the hot water are continuously recycled, and the cost is greatly saved.
Compared with the prior art, the invention has the beneficial effects that:
the shunt tubes are arranged at the bottom of the water inlet pipe, hot water is sprayed to the interior of the tank body by the shunt tubes, and a part of hot air flow is dispersed into the air by the air flow generated by the aeration pipe at the bottom, so that the air cooling effect is improved, the energy consumption of the electronic cooling pipe is reduced, the cost is saved, and the overall cooling efficiency is improved.
Description of the drawings:
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the aeration tube of the present invention;
FIG. 4 is a schematic top view of the water diversion plate of the present invention;
FIG. 5 is a schematic view of the overall structure of the present invention in use;
FIG. 6 is an enlarged view of the structure of FIG. 5B according to the present invention;
in the figure: 1-water inlet pipe, 2-shunt hole, 3-aeration hole, 4-electronic refrigeration pipe, 5-refrigerator, 6-water diversion plate, 7-adjusting plate, 8-tank, 9-aeration pipe, 10-support plate, 11-connecting line, 12-water outlet pipe, 13-adjusting tank, 14-temperature sensor, 15-aeration fan, 16-guide pipe, 17-fixing plate, 18-shunt pipe, 19-water baffle, 20-first hinge, 21-second hinge, 22-push rod, 23-clamping block, 24-first rubber layer, 25-clamping groove, 26-connecting pipe, 27-slide bar, 28-second rubber layer, 29-sliding groove.
The specific implementation mode is as follows:
in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
Preferably, 8 one side of jar body is equipped with aeration fan 15, be equipped with honeycomb duct 16 on the aeration fan 15, and aeration fan 15 passes through honeycomb duct 16 and is connected with aeration pipe 9, aeration pipe 9 is the ring form pipeline that the diameter reduces gradually, and communicates through connecting pipe 26 between the aeration pipe 9, aeration pipe 9 bottom is equipped with connecting rod 31, connecting rod 31 bottom is equipped with temperature-sensing ware 14. The aeration pipe is arranged into a circular ring shape with the diameter decreasing progressively, so that the aeration can be more uniform, the aeration efficiency is improved, and the cooling time of return water is reduced.
Furthermore, the tank body 8 positioned at the bottom of the temperature sensor 14 is internally provided with an electronic refrigerating pipe 4 which is fixedly connected, one side of the tank body 8 is provided with a refrigerator 5 which is fixedly connected and matched with the electronic refrigerating pipe 4, and the refrigerator 5 is connected with the electronic refrigerating pipe 4.
Furthermore, the temperature sensor 14 is electrically connected to the refrigerator 5.
Example 2
The same points as those in embodiment 1 are not repeated, and the difference from embodiment 1 is that:
preferably, a plurality of symmetrical and evenly distributed slide bars 27 are arranged on the inner wall of the tank body 8, a plurality of slide grooves 29 matched with the slide bars 27 are arranged on the water distribution plate 6, evenly distributed second rubber layers 28 are arranged on the side faces of the water distribution plate 6, and the water distribution plate 6 is connected with the inner wall of the tank body 8 in a sliding mode through the slide grooves 29 and the slide bars 27. Through slide bar 27 and spout 29, can carry out effectual fixed with the board 6 that divides water, prevent that the uneven atress of dividing water board 6 from leading to dividing water board 6 upset, lead to dividing the water failure, the setting on second rubber layer 28, further improvement divide the sealing ability of board 6, the effectual interference of hot water to cold water that has prevented.
Example 3
The same points as those in embodiment 1 are not repeated, and the difference from embodiment 1 is that:
preferably, a water distribution plate 6 which is matched and movably connected is arranged in the tank body 8, a communication hole 30 is arranged in the middle of the water distribution plate 6, adjusting grooves 13 which are symmetrically distributed are arranged at two sides of the communicating hole 30, water baffles 19 which are same in size and symmetrically distributed are arranged in the adjusting grooves 13, an adjusting plate 7 is arranged right below the center of the water distribution plate 6, a plurality of first loose-leaf hinges 20 which are uniformly distributed and fixedly connected are arranged at the upper end of the adjusting plate 7, the two ends of the first hinge 20 are respectively provided with a push rod 22 which is inclined and symmetrically distributed, the upper end of the push rod 22 is respectively provided with a second hinge 21, one end of the second hinge 21 is fixedly connected with the push rod 22, the other end of the second hinge 21 is fixedly connected with the bottom of the water baffle 19, a plurality of uniformly distributed connecting lines 11 are arranged at the bottom of the adjusting plate 7, and the bottom of each connecting line 11 is fixedly connected with the bottom of the tank body 8.
Further, regulating plate 7 bottom is equipped with a plurality of and regulating plate 7 looks vertically and evenly distributed's backup pad 10, backup pad 10 bottom and regulating plate 7 bottom parallel and level. Set up the bracing piece of symmetric distribution at regulating plate both ends, increase the regulating plate when falling to the bottom and jar area of contact of body, the effectual stability that has improved the regulating plate when receiving pressure prevents that the regulating plate from taking place to bend when pushing down.
Furthermore, a clamping block 23 is arranged on the side surface of the water baffle 19 positioned on one side in the communicating hole 30, a clamping groove 25 clamped with the clamping block 23 is arranged on the side surface of the water baffle 19 positioned on the other side in the communicating hole 30, and a first rubber layer 24 is arranged on the surface of the clamping block 23.
Further, the water diversion plate 6 and the water baffle plate 19 are both made of materials with density lower than that of water and good heat insulation effect.
Example 4
The same points as those in embodiment 1 are not repeated, and the difference from embodiment 1 is that:
preferably, jar body 8 is the cylindrical cell body of uncovered formula, and jar body 8 upper end is equipped with fixed plate 17, inlet tube 1 is fixed in jar body 8 upper end through fixed plate 17, is located jar body 8 inside be equipped with shunt tubes 18 on the inlet tube 1, shunt tubes 18 bottom is the closed condition, and is equipped with a plurality of evenly distributed's reposition of redundant personnel hole 2 on the shunt tubes 18 lateral wall. The shunt tubes are arranged at the bottom of the water inlet pipe, hot water is sprayed to the interior of the tank body by the shunt tubes, and a part of hot air flow is dispersed into the air by the air flow generated by the aeration pipe at the bottom, so that the air cooling effect is improved, the energy consumption of the electronic refrigeration pipe is reduced, and the overall cooling efficiency is improved.
Example 5
The utility model provides a marine diesel cylinder head production is with spraying cooling formula cold water jar, includes a jar body 8, the middle part of jar body 8 upper end is equipped with inlet tube 1, and one side of jar body 8 bottom is equipped with outlet pipe 12, is located inlet tube 1 bottom be equipped with aeration pipe 9 in jar body 8, be equipped with a plurality of evenly distributed's aeration hole 3 on aeration pipe 9.
Preferably, 8 one side of jar body is equipped with aeration fan 15, be equipped with honeycomb duct 16 on the aeration fan 15, and aeration fan 15 passes through honeycomb duct 16 and is connected with aeration pipe 9, aeration pipe 9 is the ring form pipeline that the diameter reduces gradually, and communicates through connecting pipe 26 between the aeration pipe 9, aeration pipe 9 bottom is equipped with connecting rod 31, connecting rod 31 bottom is equipped with temperature-sensing ware 14.
Furthermore, the tank body 8 positioned at the bottom of the temperature sensor 14 is internally provided with an electronic refrigerating pipe 4 which is fixedly connected, one side of the tank body 8 is provided with a refrigerator 5 which is fixedly connected and matched with the electronic refrigerating pipe 4, and the refrigerator 5 is connected with the electronic refrigerating pipe 4.
Furthermore, the temperature sensor 14 is electrically connected to the refrigerator 5.
Preferably, jar body 8 is the cylindrical cell body of uncovered formula, and jar body 8 upper end is equipped with fixed plate 17, inlet tube 1 is fixed in jar body 8 upper end through fixed plate 17, is located jar body 8 inside be equipped with shunt tubes 18 on the inlet tube 1, shunt tubes 18 bottom is the closed condition, and is equipped with a plurality of evenly distributed's reposition of redundant personnel hole 2 on the shunt tubes 18 lateral wall.
Preferably, a water distribution plate 6 which is matched and movably connected is arranged in the tank body 8, a communication hole 30 is arranged in the middle of the water distribution plate 6, adjusting grooves 13 which are symmetrically distributed are arranged at two sides of the communicating hole 30, water baffles 19 which are same in size and symmetrically distributed are arranged in the adjusting grooves 13, an adjusting plate 7 is arranged right below the center of the water distribution plate 6, a plurality of first loose-leaf hinges 20 which are uniformly distributed and fixedly connected are arranged at the upper end of the adjusting plate 7, the two ends of the first hinge 20 are respectively provided with a push rod 22 which is inclined and symmetrically distributed, the upper end of the push rod 22 is respectively provided with a second hinge 21, one end of the second hinge 21 is fixedly connected with the push rod 22, the other end of the second hinge 21 is fixedly connected with the bottom of the water baffle 19, a plurality of uniformly distributed connecting lines 11 are arranged at the bottom of the adjusting plate 7, and the bottom of each connecting line 11 is fixedly connected with the bottom of the tank body 8.
Further, regulating plate 7 bottom is equipped with a plurality of and regulating plate 7 looks vertically and evenly distributed's backup pad 10, backup pad 10 bottom and regulating plate 7 bottom parallel and level.
Furthermore, a clamping block 23 is arranged on the side surface of the water baffle 19 positioned on one side in the communicating hole 30, a clamping groove 25 clamped with the clamping block 23 is arranged on the side surface of the water baffle 19 positioned on the other side in the communicating hole 30, and a first rubber layer 24 is arranged on the surface of the clamping block 23.
Further, the water diversion plate 6 and the water baffle plate 19 are both made of materials with density lower than that of water and good heat insulation effect.
Preferably, a plurality of symmetrical and evenly distributed slide bars 27 are arranged on the inner wall of the tank body 8, a plurality of slide grooves 29 matched with the slide bars 27 are arranged on the water distribution plate 6, evenly distributed second rubber layers 28 are arranged on the side faces of the water distribution plate 6, and the water distribution plate 6 is connected with the inner wall of the tank body 8 in a sliding mode through the slide grooves 29 and the slide bars 27. Through slide bar 27 and spout 29, can carry out effectual fixed with the board 6 that divides water, prevent that the uneven atress of dividing water board 6 from leading to dividing water board 6 upset, lead to dividing the water failure, the setting on second rubber layer 28, further improvement divide the sealing ability of board 6, the effectual interference of hot water to cold water that has prevented.
When the spraying cooling type cold water tank for producing the cylinder cover of the marine diesel engine is used, a water inlet pipe 1 and a water outlet pipe 12 are connected with corresponding pipelines, when the water outlet pipe 12 discharges water, the water at the bottom of a water diversion plate 6 is reduced, the water diversion plate 6 automatically slides downwards inevitably due to the pressure at the upper end, when an adjusting plate 7 is lowered to the bottom of a tank body 8, the water diversion plate 6 still keeps a pressing-down state, at the moment, the upper end of the adjusting plate 7 pushes a water baffle plate 19 into adjusting grooves 13 at two sides through a push rod 22, the upper end and the lower end of the water diversion plate 6 are communicated, cold water at the upper end of the water diversion plate 6 enters the bottom of the water diversion plate 6, the water diversion plate 6 automatically floats upwards due to buoyancy, the cold water at the upper end of the water diversion plate 6 enters the bottom of the water diversion plate 6, when the water diversion plate 6 rises to the original height, the adjusting plate 7 is pulled downwards due to the, the water distribution plate is clamped and sealed with each other, so that hot water at the upper end of the water distribution plate 6 is effectively prevented from entering the bottom of the water distribution plate 6, and the water temperature of cooling water at the bottom of the water distribution plate is prevented from being influenced;
when the water inlet pipe 1 is internally provided with backflow cooling water, the backflow cooling water enters the tank body 8 in a spraying manner through the flow dividing pipe 18, the aeration fan 15 is started, the entering hot water and the water in the tank body 8 can be uniformly mixed, the air flow generated by aeration can effectively take away a part of hot steam during spraying, the cooling effect is improved, when the value of the temperature sensor 14 is higher than a set value, the refrigerator 5 is started, the backflow hot water is cooled through the electronic refrigeration pipe 4, the temperature between the water dividing plate 6 and the temperature sensor 14 can be stably maintained in a set range, and therefore the water temperature entering the bottom of the water dividing plate 6 at the upper end of the water dividing plate 6 can reach a set requirement when the water dividing plate 6 runs to the bottom of the tank body 8.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a marine diesel cylinder head production is with spraying cooling formula cold water jar, includes a jar body, its characterized in that: a water inlet pipe is arranged in the middle of the upper end of the tank body, a water outlet pipe is arranged on one side of the bottom of the tank body, an aeration pipe is arranged in the tank body at the bottom of the water inlet pipe, and a plurality of uniformly distributed aeration holes are formed in the aeration pipe;
the tank body is an open cylindrical tank body, a fixing plate is arranged at the upper end of the tank body, the water inlet pipe is fixed at the upper end of the tank body through the fixing plate, a shunt pipe is arranged on the water inlet pipe positioned in the tank body, the bottom of the shunt pipe is in a closed state, and a plurality of evenly distributed shunt holes are formed in the side wall of the shunt pipe;
the utility model discloses a water distributor, including jar internal portion, jar internal portion is equipped with the division board with jar internal wall phase-match and swing joint, the division board middle part is equipped with the intercommunicating pore, the intercommunicating pore both sides are equipped with the adjustment tank of symmetric distribution, all be equipped with the breakwater of the same and symmetric distribution of size in the adjustment tank, be equipped with the regulating plate under the division board center department, the regulating plate upper end is equipped with a plurality of evenly distributed and fixed connection's first loose-leaf hinge, the both ends of first loose-leaf hinge all are equipped with the push rod of slope and symmetric distribution, the push rod upper end all is equipped with second loose-leaf hinge, second loose-leaf hinge one end and push rod fixed connection, and the second loose-leaf hinge other end and breakwater bottom fixed connection, the regulating plate bottom is equipped with a plurality.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160306.8A CN109434084B (en) | 2018-09-30 | 2018-09-30 | Production of marine diesel cylinder head is with spraying cooling formula cold water jar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160306.8A CN109434084B (en) | 2018-09-30 | 2018-09-30 | Production of marine diesel cylinder head is with spraying cooling formula cold water jar |
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| CN109434084A CN109434084A (en) | 2019-03-08 |
| CN109434084B true CN109434084B (en) | 2020-07-31 |
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| CN201811160306.8A Active CN109434084B (en) | 2018-09-30 | 2018-09-30 | Production of marine diesel cylinder head is with spraying cooling formula cold water jar |
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| CN110497183B (en) * | 2019-09-25 | 2021-03-30 | 杭州毅洁轴承制造有限公司 | Bearing press-mounting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2632678B2 (en) * | 1987-02-13 | 1997-07-23 | 森川産業株式会社 | Cooling method for casting products |
| ES2107438T5 (en) * | 1991-05-24 | 2004-04-01 | Consolidated Engineering Company, Inc. | METHOD AND APPARATUS FOR THERMALLY TREATING METALLIC COLORED PARTS. |
| CN202270959U (en) * | 2011-10-25 | 2012-06-13 | 邹平县长山型材有限公司 | Casting circulating water utilization system |
| CN202741716U (en) * | 2012-05-28 | 2013-02-20 | 镇江同舟螺旋桨有限公司 | Cooling system for casting heavy castings |
| CN103341620B (en) * | 2013-07-05 | 2015-09-30 | 亚新铸造（苏州）有限公司 | A kind of humidity control system for condensed water in cooling bay in casting |
| CN204182894U (en) * | 2014-10-11 | 2015-03-04 | 南京云海特种金属股份有限公司 | A kind of aluminium bar circulating water cooling system of external self priming pump |
| CN205732929U (en) * | 2016-05-23 | 2016-11-30 | 淮安和通汽车零部件有限公司 | A kind of cooling water termostat system being applied to aluminium alloy casting |
| CN207455999U (en) * | 2017-09-07 | 2018-06-05 | 安徽省华信生物药业股份有限公司 | A kind of oral liquid fermentation plant cold water tank |
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Effective date of registration: 20230424 Address after: 230000 Dongfang Jingyuan H6-601, Chaohu City, Hefei City, Anhui Province Patentee after: Hefei Xincai Machinery Parts Co.,Ltd. Address before: 238100 Zheng Caigang, Qingxi Town, Hanshan County, Ma'anshan City, Anhui Province Patentee before: HANSHAN QUANXING INTERNAL COMBUSTION ENGINE FITTINGS Co.,Ltd. |
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