CN110935845A - Water cooling circulation system for aluminum alloy cylinder cover casting mold - Google Patents
Water cooling circulation system for aluminum alloy cylinder cover casting mold Download PDFInfo
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- CN110935845A CN110935845A CN201911282990.1A CN201911282990A CN110935845A CN 110935845 A CN110935845 A CN 110935845A CN 201911282990 A CN201911282990 A CN 201911282990A CN 110935845 A CN110935845 A CN 110935845A
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- water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
- B22C9/065—Cooling or heating equipment for moulds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a water cooling circulation system for an aluminum alloy cylinder cover casting mold, wherein a water tank is connected with a filter, the filter is connected with a backwashing device, the backwashing device is connected with a reverse osmosis device, and the reverse osmosis device is connected with the circulation water tank; the circulating water tank is connected with a casting mould through a circulating booster pump, and the casting mould is connected with a water return tank; the water return tank is connected with a water return pump, the water return pump is connected with the buffer water tank, and water in the water return tank is pressed into the buffer water tank through the water return pump; the buffer water tank is connected with the return water booster pump, and the return water booster pump is connected with the primary heat exchanger through a water inlet pipe; the first-stage heat exchanger is connected with the second-stage heat exchanger, and the second-stage heat exchanger is connected with the circulating water tank through a water outlet pipe. The invention can provide continuous and effective cooling for the aluminum alloy cylinder cover casting mould, avoids sewage and treatment thereof, and has small demand for pure water supplement.
Description
Technical Field
The invention belongs to the technical field of engine cylinder cover casting, and particularly relates to a water-cooling circulation system for an aluminum alloy cylinder cover casting mold.
Background
The existing water cooling circulation system for the aluminum alloy cylinder cover casting mold adopts an integrated forming scheme and adopts the mold to manufacture at one time. As shown in fig. 1, in the conventional water cooling circulation system for a casting mold, tap water 1 flows into a soft water tank 15 to be softened, and industrial circulation water generated by softening flows into an industrial circulation water tank 16. And then the industrial circulating water in the industrial circulating water tank 16 is pressed into the casting mould 12 for mould cooling, and the generated wastewater is discharged into a wastewater tank 17 of a factory for wastewater treatment. However, the water cooling circulation system for the integrated aluminum alloy cylinder cover casting mold has low generalization rate, and one product can only meet the requirement of one vehicle type. Meanwhile, the integrally formed water cooling circulation system for the aluminum alloy cylinder cover casting mold has high requirements on production equipment and tools due to large shape, low manufacturing efficiency and poor economic benefit.
Therefore, it is necessary to develop a new water cooling circulation system for an aluminum alloy cylinder head casting mold.
Disclosure of Invention
The invention aims to provide a water cooling circulation system for an aluminum alloy cylinder cover casting mold, which can provide continuous and effective cooling for the aluminum alloy cylinder cover casting mold, can avoid sewage and treatment thereof, and has small demand for supplementing pure water.
The invention relates to a water-cooling circulation system for an aluminum alloy cylinder cover casting mold, which comprises a water tank, a filter, a backwashing device, a reverse osmosis device, a circulation water tank, a circulation booster pump, a water return tank, a water return pump, a buffer water tank, a water return booster pump, a water inlet pipe, a primary heat exchanger, a secondary heat exchanger and a water outlet pipe, wherein the water tank is connected with the filter;
the water outlet of the water tank is connected with the water inlet of the filter, the water outlet of the filter is connected with the water inlet of the backwashing device, the water outlet of the backwashing device is connected with the water inlet of the reverse osmosis device, the water outlet of the reverse osmosis device is connected with the water inlet of the circulating water tank, and the water in the water tank is sequentially input to the filter, the backwashing device and the reverse osmosis device to be processed into pure water and stored in the circulating water tank;
the water outlet of the circulating water tank is connected with the water inlet of the casting mold through a circulating booster pump, the water outlet of the casting mold is connected with the water inlet of the water return tank, and the pure water of the circulating water tank is pressed into the casting mold through the circulating booster pump to be cooled by the mold, and then the discharged pure water is stored in the water return tank;
the water outlet of the water return tank is connected with the water inlet of the water return pump, the water outlet of the water return pump is connected with the buffer water tank, and water in the water return tank is pressed into the buffer water tank through the water return pump;
the water outlet of the buffer water tank is connected with the water inlet of the return water booster pump, and the water outlet of the return water booster pump is connected with the water inlet of the primary heat exchanger through a water inlet pipe; the water outlet of the first-stage heat exchanger is connected with the water inlet of the second-stage heat exchanger, the water outlet of the second-stage heat exchanger is connected with the circulating water tank through the water outlet pipe, and pure water in the buffer water tank flows into the first-stage heat exchanger and the second-stage heat exchanger sequentially through the water inlet pipe, flows out of the water outlet pipe and flows back to the circulating water tank.
Still include the circulating water unit, this circulating water unit includes that the circulating water advances pipe and circulating water exit tube, and the circulating water advances the circulating water inlet connection of one-level heat exchanger's one end and one-level heat exchanger, and the circulating water export of one-level heat exchanger is connected with the circulating water exit tube, and the circulating water advances the pipe inflow from the circulating water, through plate-type heat transfer, cools down the pure water in the one-level heat exchanger, flows from the circulating water exit tube again to improve heat transfer ability and flexibility.
The chilled water circulation unit comprises a chilled water inlet pipe and a chilled water outlet pipe, one end of the chilled water inlet pipe is connected with a chilled water inlet of the secondary heat exchanger, a chilled water outlet of the secondary heat exchanger is connected with the chilled water outlet pipe, chilled water flows in from the chilled water inlet pipe, cools pure water in the secondary heat exchanger again through plate-type heat exchange, and flows out from the chilled water outlet pipe; to improve heat exchange capacity and flexibility.
The circulating booster pumps are two, the water inlets of the two circulating booster pumps are connected with the circulating water tank, the water outlets of the two circulating booster pumps are connected with the water inlet of the casting mold, and a one-by-one design is adopted to ensure stable water pressure and continuous water supply.
The water inlet of each of the two return water booster pumps is connected with the buffer water tank, and the water outlet of each of the two circulating booster pumps is connected with the water inlet pipe; a ready-to-use design is adopted to ensure stable water pressure and continuous water supply.
The invention has the following advantages:
(1) the water for the casting mold is pure water, so that the quality of the pure water can be ensured for a long time, the casting mold and the cooling pipeline are prevented from being rusted and blocked by scale, the continuous production is effectively supported, and the maintenance workload of the casting mold and the cooling pipeline is reduced;
(2) two water circulations, namely a large circulation and a small circulation, are designed, the small circulation is contained in the large circulation, the pure water in the circulating system realizes self circulation, and sewage is not discharged and enters a wastewater pool; the major cycle mainly comprises a pure water making and supplementing device (comprising a water tank, a filter, a backwashing device and a reverse osmosis device), a circulating water cooling device (comprising a primary heat exchanger, a secondary heat exchanger, a circulating water unit and a chilled water circulating unit), a casting water area (comprising a casting mold and a water return tank) and the like; the small circulation mainly comprises a circulating water cooling device and a casting water area; the pure water making and supplementing device can effectively supplement the natural loss pure water for small circulation; the wastewater is not discharged in a small circulation mode, so that the sewage and the treatment thereof are avoided; secondly, the small circulation closed operation is realized, and the pure water supplement demand is small; in addition, a backwashing device is arranged in the pure water making and supplementing device, so that the long-term stability of the quality of the generated pure water can be ensured;
(3) the first stage of the circulating water cooling device is cooled by an industrial circulating water heat exchange plate, and the second stage of the circulating water cooling device is cooled by a chilled water heat exchange plate; the two-stage cooling can be independently opened and closed, and can also work in a linkage manner, the water temperature of pure water can be effectively reduced and controlled, and the water temperature control range can be adjusted from the ambient temperature to 15 ℃. In addition, the temperature of the pure water can be reduced to below 15 ℃ due to the fact that the pure water temperature is adjusted through cooling of the heat exchange plate with the chilled water as a medium;
(4) the pure water making and supplementing device has a backwashing function, so that long-term cleaning of pure water is ensured.
Drawings
FIG. 1 is a schematic view of a prior art casting mold water cooling cycle system;
FIG. 2 is a water cooling circulation system diagram for the aluminum alloy cylinder head casting mold according to the invention;
FIG. 3 is a diagram of a circulating water cooling apparatus according to the present invention;
in the figure, 1-tap water, 2-water tank, 3-filter, 4-backwashing device, 5-reverse osmosis device, 6-circulating water tank, 7-circulating booster pump, 8-secondary heat exchanger, 9-primary heat exchanger, 10-backwater booster pump, 11-buffer water tank, 12-casting mould, 13-backwater tank, 14-backwater pump, 15-soft water tank, 16-industrial circulating water pool, 17-waste water pool, 18-chilled water inlet pipe, 19-circulating water inlet pipe, 20-water inlet pipe, 21-circulating water outlet pipe, 22-chilled water outlet pipe and 23-water outlet pipe.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 2 and 3, the water cooling circulation system for the aluminum alloy cylinder cover casting mold comprises a major cycle and a minor cycle, wherein the major cycle mainly comprises a pure water making and supplementing device, a circulating water cooling device, a casting water area, a relevant pipeline and a pump valve. The small circulation mainly comprises a circulating water cooling device, a casting water area, related pipelines, pump valves and the like. The pure water making and supplementing device mainly comprises a water tank 2, a filter 3, a backwashing device 4, a reverse osmosis device 5, a pipeline, a water valve and the like. The circulating water cooling device mainly comprises a primary heat exchanger 9, a secondary heat exchanger 8, a chilled water inlet pipe 18, a circulating water inlet pipe 19, a water inlet pipe 20, a circulating water outlet pipe 21, a chilled water outlet pipe 22, a water outlet pipe 23 and the like. The casting water area mainly comprises a casting mold 12 and a water return tank 13.
As shown in figure 2, the water outlet of the water tank 2 is connected with the water inlet of the filter 3, the water outlet of the filter 3 is connected with the water inlet of the backwashing device 4, the water outlet of the backwashing device 4 is connected with the water inlet of the reverse osmosis device 5, and the water outlet of the reverse osmosis device 5 is connected with the water inlet of the circulating water tank 6. In the pure water making and supplementing device, tap water 1 is added into a water tank 2 for standby, then water in the water tank 2 is sequentially input into a filter 3, a backwashing device 4 and a reverse osmosis device 5 through a water pump for processing to prepare pure water, and the pure water is stored in a circulating water tank 6.
As shown in fig. 2, the water outlet of the circulating water tank 6 is connected with the water inlet of the casting mold 12 through the circulating booster pump 7, and the water outlet of the casting mold 12 is connected with the water inlet of the water return tank 13. The water outlet of the water return tank 13 is connected with the water inlet of the water return pump 14, and the water outlet of the water return pump 14 is connected with the buffer water tank 11. The pure water introduced into the circulation water tank 6 is pressed into the casting mold 12 by the circulation booster pump 7 to be mold-cooled, and the discharged pure water is temporarily stored in the return water tank 13. The water in the return tank 13 is pressed into the buffer water tank 11 through the return pump 14 to be stored in a concentrated manner. Wherein, each mould is independent corresponding return tank 13, and buffer tank 11 can concentrate the pure water of a plurality of return tanks 13 and deposit, and the pure water in buffer tank 11 is hot water.
As shown in fig. 2, a water outlet of the buffer water tank 11 is connected with a water inlet of the return water booster pump 10, and a water outlet of the return water booster pump 10 is connected with a water inlet of the primary heat exchanger 9 through a water inlet pipe 20; the water outlet of the first-stage heat exchanger 9 is connected with the water inlet of the second-stage heat exchanger 8, the water outlet of the second-stage heat exchanger 8 is connected with the circulating water tank 6 through the water outlet pipe 23, and pure water in the buffer water tank 11 sequentially flows into the first-stage heat exchanger 9 and the second-stage heat exchanger 8 through the water inlet pipe 20, flows out of the water outlet pipe 23 and flows back to the circulating water tank 6. Pure water in the water return tank 13 is pressed into the primary heat exchanger 9 and the secondary heat exchanger 8 through the water return booster pump 10 to be cooled and then returns to the circulating water tank 6 again for standby, and small circulation is achieved.
As shown in fig. 2, a circulating water inlet pipe 19 and a circulating water outlet pipe 21 constitute a circulating water unit, one end of the circulating water inlet pipe 19 is connected to a circulating water inlet of the first-stage heat exchanger 9, a circulating water outlet of the first-stage heat exchanger 9 is connected to the circulating water outlet pipe 21, circulating water flows in from the circulating water inlet pipe 19, and is subjected to plate-type heat exchange to cool pure water in the first-stage heat exchanger 9 and then flows out from the circulating water outlet pipe 21.
As shown in fig. 2, the chilled water inlet pipe 18 and the chilled water outlet pipe 22 form a chilled water circulation unit, one end of the chilled water inlet pipe 18 is connected with a chilled water inlet of the secondary heat exchanger 8, a chilled water outlet of the secondary heat exchanger 8 is connected with the chilled water outlet pipe 22, the chilled water enters the pipe 18 from the chilled water, and is cooled again through plate-type heat exchange to pure water in the secondary heat exchanger 8 and flows out from the chilled water outlet pipe 22.
In the embodiment, two-stage heat exchange plates of industrial circulating water and chilled water are adopted for cooling, so that the heat exchange capacity and flexibility are greatly improved.
In this embodiment, circulation booster pump 7 has two, and two circulation booster pump 7's water inlet all is connected with circulation tank 6, and two circulation booster pump 7's delivery port all is connected with casting mold 12's water inlet, adopts one to be equipped with one and uses the design to ensure stable water pressure and continuous water supply.
In the embodiment, the number of the return water booster pumps 10 is two, the water inlets of the two return water booster pumps 10 are both connected with the buffer water tank 11, and the water outlets of the two circulating booster pumps 7 are both connected with the water inlet pipe 20; a ready-to-use design is employed to ensure stable water pressure and continuous water supply.
Claims (5)
1. The utility model provides an aluminum alloy cylinder cap casting water cooling circulation system for mould which characterized in that: comprises a water tank (2), a filter (3), a backwashing device (4), a reverse osmosis device (5), a circulating water tank (6), a circulating booster pump (7), a water return tank (13), a water return pump (14), a buffer water tank (11), a water return booster pump (10), a water inlet pipe (20), a primary heat exchanger (9), a secondary heat exchanger (8) and a water outlet pipe (23);
the water outlet of the water tank (2) is connected with the water inlet of the filter (3), the water outlet of the filter (3) is connected with the water inlet of the backwashing device (4), the water outlet of the backwashing device (4) is connected with the water inlet of the reverse osmosis device (5), the water outlet of the reverse osmosis device (5) is connected with the water inlet of the circulating water tank (6), and water in the water tank (2) is sequentially input to the filter (3), the backwashing device (4) and the reverse osmosis device (5) to be processed to be made into pure water and stored in the circulating water tank (6);
a water outlet of the circulating water tank (6) is connected with a water inlet of the casting mold (12) through a circulating booster pump (7), a water outlet of the casting mold (12) is connected with a water inlet of a water return tank (13), pure water of the circulating water tank (6) is pressed into the casting mold (12) through the circulating booster pump (7) for mold cooling, and the discharged pure water is stored in the water return tank (13);
a water outlet of the water return tank (13) is connected with a water inlet of a water return pump (14), a water outlet of the water return pump (14) is connected with the buffer water tank (11), and water in the water return tank (13) is pressed into the buffer water tank (11) through the water return pump (14);
the water outlet of the buffer water tank (11) is connected with the water inlet of the return water booster pump (10), and the water outlet of the return water booster pump (10) is connected with the water inlet of the primary heat exchanger (9) through a water inlet pipe (20); the water outlet of the primary heat exchanger (9) is connected with the water inlet of the secondary heat exchanger (8), the water outlet of the secondary heat exchanger (8) is connected with the circulating water tank (6) through the water outlet pipe (23), and pure water in the buffer water tank (11) flows into the primary heat exchanger (9) and the secondary heat exchanger (8) in sequence through the water inlet pipe (20), flows out of the water outlet pipe (23) and flows back to the circulating water tank (6).
2. The water cooling circulation system for the aluminum alloy cylinder cover casting mold as recited in claim 1, wherein: still include the circulating water unit, this circulating water unit includes that the circulating water advances pipe (19) and circulating water exit tube (21), and the circulating water inlet connection of one-level heat exchanger (9) is advanced to the circulating water of the one end of pipe (19) and one-level heat exchanger (9), and the circulating water export of one-level heat exchanger (9) is connected with circulating water exit tube (21), and the circulating water advances pipe (19) inflow from the circulating water, through plate heat transfer, cools down the pure water in one-level heat exchanger (9), flows out from circulating water exit tube (21) again.
3. The water cooling circulation system for the aluminum alloy cylinder cover casting mold as recited in claim 1 or 2, wherein: still include the refrigerated water circulation unit, this refrigerated water circulation unit advances pipe (18) and refrigerated water exit tube (22) including the refrigerated water, the refrigerated water advances the one end of pipe (18) and the refrigerated water entry linkage of second grade heat exchanger (8), the refrigerated water export of second grade heat exchanger (8) is connected with refrigerated water exit tube (22), the refrigerated water advances pipe (18) inflow from the refrigerated water, through plate heat transfer, cool down again to the pure water in second grade heat exchanger (8), flow from refrigerated water exit tube (22).
4. The water cooling circulation system for the aluminum alloy cylinder cover casting mold as recited in claim 3, wherein: the circulating booster pumps (7) are two, the water inlets of the two circulating booster pumps (7) are connected with the circulating water tank (6), and the water outlets of the two circulating booster pumps (7) are connected with the water inlet of the casting mold (12).
5. The water cooling circulation system for the aluminum alloy cylinder cover casting mold as recited in claim 1, 2 or 4, wherein: the number of the backwater booster pumps (10) is two, the water inlets of the two backwater booster pumps (10) are connected with the buffer water tank (11), and the water outlets of the two circulating booster pumps (7) are connected with the water inlet pipe (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282990.1A CN110935845A (en) | 2019-12-13 | 2019-12-13 | Water cooling circulation system for aluminum alloy cylinder cover casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282990.1A CN110935845A (en) | 2019-12-13 | 2019-12-13 | Water cooling circulation system for aluminum alloy cylinder cover casting mold |
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| Publication Number | Publication Date |
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| CN110935845A true CN110935845A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911282990.1A Pending CN110935845A (en) | 2019-12-13 | 2019-12-13 | Water cooling circulation system for aluminum alloy cylinder cover casting mold |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140106222A (en) * | 2013-02-26 | 2014-09-03 | 박진서 | Mold cleaning system using ion exchane resin menbrane treatment deionized water for mold temperature cotroller |
| CN204714635U (en) * | 2015-05-21 | 2015-10-21 | 武汉江扬环境科技股份有限公司 | A kind of industrial monoblock type pure water device |
| CN106396218A (en) * | 2016-11-30 | 2017-02-15 | 合肥亿福自动化科技有限公司 | Purified water recycling system for glass coating film production line |
| CN206310967U (en) * | 2016-12-29 | 2017-07-07 | 重庆摩尔水处理设备有限公司 | Twin-stage cooling device |
| CN207027981U (en) * | 2017-06-15 | 2018-02-23 | 昆山模冠精密机械有限公司 | A kind of die heater |
| CN207243651U (en) * | 2017-09-25 | 2018-04-17 | 云南海魂硅藻泥科技有限公司 | A kind of deionization pure water supply system |
| CN109365753A (en) * | 2018-11-29 | 2019-02-22 | 甘肃欣福门窗工程有限公司 | A kind of casting mould of Novel portable rapid shaping |
| CN209605461U (en) * | 2019-03-11 | 2019-11-08 | 浙江工业职业技术学院 | A kind of environment-friendly type machine die cooling water circulating device |
-
2019
- 2019-12-13 CN CN201911282990.1A patent/CN110935845A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140106222A (en) * | 2013-02-26 | 2014-09-03 | 박진서 | Mold cleaning system using ion exchane resin menbrane treatment deionized water for mold temperature cotroller |
| CN204714635U (en) * | 2015-05-21 | 2015-10-21 | 武汉江扬环境科技股份有限公司 | A kind of industrial monoblock type pure water device |
| CN106396218A (en) * | 2016-11-30 | 2017-02-15 | 合肥亿福自动化科技有限公司 | Purified water recycling system for glass coating film production line |
| CN206310967U (en) * | 2016-12-29 | 2017-07-07 | 重庆摩尔水处理设备有限公司 | Twin-stage cooling device |
| CN207027981U (en) * | 2017-06-15 | 2018-02-23 | 昆山模冠精密机械有限公司 | A kind of die heater |
| CN207243651U (en) * | 2017-09-25 | 2018-04-17 | 云南海魂硅藻泥科技有限公司 | A kind of deionization pure water supply system |
| CN109365753A (en) * | 2018-11-29 | 2019-02-22 | 甘肃欣福门窗工程有限公司 | A kind of casting mould of Novel portable rapid shaping |
| CN209605461U (en) * | 2019-03-11 | 2019-11-08 | 浙江工业职业技术学院 | A kind of environment-friendly type machine die cooling water circulating device |
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Application publication date: 20200331 |