CN212191193U - Water cooling mold cooling water temperature control heat recovery unit - Google Patents
Water cooling mold cooling water temperature control heat recovery unit Download PDFInfo
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- CN212191193U CN212191193U CN202020918814.4U CN202020918814U CN212191193U CN 212191193 U CN212191193 U CN 212191193U CN 202020918814 U CN202020918814 U CN 202020918814U CN 212191193 U CN212191193 U CN 212191193U
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- cooling
- water
- mould
- mold
- cooling water
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- 238000001816 cooling Methods 0.000 title claims abstract description 94
- 239000000498 cooling water Substances 0.000 title claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 8
- 230000033228 biological regulation Effects 0.000 abstract description 7
- 238000003287 bathing Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000000284 extract Substances 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a water cooling mould cooling water temperature control heat recovery unit, mould cooling water treatment technical field to the undulant mould casting quality that influences of mould cooling water temperature, and a large amount of heat energy pass through the cooling tower heat dissipation simultaneously, cause the problem of the waste of the energy, present following scheme, including water cooling mould, one side of water cooling mould is equipped with mould cooling water return water tank, one side of mould cooling water return water tank is equipped with one-level cooling plate heat exchanger, one side of one-level cooling plate heat exchanger is equipped with the cooling tower, one side of cooling tower is equipped with water source heat pump set. The utility model discloses a tertiary cooling system, second grade control by temperature change regulation and control, the stable heat that draws of water source heat pump set has guaranteed that mould cooling water temperature is invariable at 28 ℃ +/-2 ℃, has guaranteed the quality of mould casting work piece, has retrieved mould cooling water heat energy through this device simultaneously and has been used for the heating, and energy resource consumption has been practiced thrift to bathing and other heat demands.
Description
Technical Field
The utility model relates to a mould cooling water treatment technical field especially relates to a water cooling mould cooling water temperature control heat recovery unit.
Background
The metal casting is to inject liquid metal in a molten state into a mold cavity, and then the molten material is cooled in the mold cavity to below the thermal deformation temperature of the molten material for solidification and molding. This process is realized through the difference in temperature of melt and mould, and liquid metal temperature is very high can cause the mould temperature to follow and rise, and the quality that the foundry goods can all be influenced to too high and low excessively of mould temperature causes the shrinkage cavity of foundry goods or fills quality problems such as bad, keeps the invariable of mould cooling water temperature and can guarantee that violent fluctuation can not appear in the mould temperature field, has guaranteed the quality of foundry goods, must consider the regulation and control of mould cooling water temperature when consequently using water-cooling mould casting.
At present, the conventional temperature regulation control of mold cooling water adopts a cooling tower heat dissipation and chilled water temperature regulation mode to control the temperature, the fluctuation of the temperature of the mold cooling water is easily caused to influence the mold casting quality, meanwhile, a large amount of heat energy is dissipated through the cooling tower, the waste of energy is caused, in order to guarantee the constant control of the temperature of the mold cooling water, the waste of the energy is reduced, and therefore, a water cooling mold cooling water temperature control heat energy recovery device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water-cooling mould cooling water temperature control heat recovery unit has solved the conventional temperature regulation control of mould cooling water and has adopted cooling tower heat dissipation and refrigerated water temperature regulation mode to control the temperature, causes the undulant influence mould casting quality of mould cooling water temperature easily, and a large amount of heat energy pass through the cooling tower heat dissipation simultaneously, causes the problem of the waste of the energy.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a water cooling mold cooling water temperature control heat recovery unit, includes water cooling mold, one side of water cooling mold is equipped with mould cooling water return water tank, one side of mould cooling water return water tank is equipped with one-level cooling plate heat exchanger, one side of one-level cooling plate heat exchanger is equipped with the cooling tower, one side of cooling tower is equipped with water source heat pump set, one side of one-level cooling plate heat exchanger is equipped with second grade cooling plate heat exchanger, one side of second grade cooling plate heat exchanger is equipped with tertiary cooling plate heat exchanger, be equipped with mould cooling water tank between tertiary cooling plate heat exchanger and the water cooling mold.
Preferably, one side of the mold cooling water return tank, which is far away from the water-cooled mold, is provided with a mold cooling water return pump, and one side of the mold cooling water return pump, which is far away from the mold cooling water return tank, is provided with a one-level temperature control three-way valve.
Preferably, a second-stage temperature control three-way valve is arranged between the second-stage cooling plate type heat exchanger and the third-stage cooling plate type heat exchanger.
Preferably, a mold cooling water supply pump is arranged between the mold cooling water tank and the water-cooled mold.
Preferably, two temperature sensors are arranged between the three-stage cooling plate type heat exchanger and the mold cooling water tank.
Preferably, a cooling secondary side circulating pump is arranged between the water source heat pump unit and the secondary cooling plate type heat exchanger.
Compared with the prior art, the beneficial effects of the utility model are that: through tertiary cooling system, second grade control by temperature change regulation and control, the stable heat that draws of water source heat pump set has guaranteed that mould cooling water temperature is invariable at 28 ℃ 2 ℃, has guaranteed the quality of mould casting work piece, has retrieved mould cooling water heat energy through this device simultaneously and has been used for the heating, bathing and other heat demands, have practiced thrift energy consumption.
Drawings
Fig. 1 is the utility model provides a water cooling mold cooling water temperature control heat recovery unit's flow structure sketch map.
In the figure: 1 water cooling mould, 2 mould cooling water return water tank, 3 mould cooling water return water pumps, 4 one-level control by temperature change three-way valves, 5 one-level cooling plate heat exchangers, 6 cooling towers, 7 water source heat pump units, 8 cooling secondary side circulating pumps, 9 second grade cooling plate heat exchangers, 10 second grade control by temperature change three-way valves, 11 third grade cooling plate heat exchangers, 12 temperature sensor, 13 mould cooling water tank, 14 mould cooling water working pumps.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a water cooling mold cooling water temperature control heat recovery unit, including water cooling mold 1, one side of water cooling mold 1 is equipped with mold cooling water return water tank 2, one side of mold cooling water return water tank 2 is equipped with one-level cooling plate heat exchanger 5, one side of one-level cooling plate heat exchanger 5 is equipped with cooling tower 6, one side of cooling tower 6 is equipped with water source heat pump set 7, one side of one-level cooling plate heat exchanger 5 is equipped with second grade cooling plate heat exchanger 9, one side of second grade cooling plate heat exchanger 9 is equipped with tertiary cooling plate heat exchanger 11, be equipped with mold cooling water tank 13 between tertiary cooling plate heat exchanger 11 and the water cooling mold 1.
In this embodiment, one side that water cooling mold 1 was kept away from to mould cooling water return tank 2 is equipped with mould cooling water return pump 3, and one side that mould cooling water return tank 2 was kept away from to mould cooling water return pump 3 is equipped with one-level control by temperature change three-way valve 4.
In this embodiment, a second-stage temperature control three-way valve 10 is arranged between the second-stage cooling plate heat exchanger 9 and the third-stage cooling plate heat exchanger 11.
In this embodiment, a mold cooling water supply pump 14 is provided between the mold cooling water tank 13 and the water-cooled mold 1.
In this embodiment, two temperature sensors 12 are disposed between the three-stage cooling plate heat exchanger 11 and the mold cooling water tank 13.
In this embodiment, a cooling secondary side circulating pump 8 is disposed between the water source heat pump unit 7 and the second-stage cooling plate heat exchanger 9.
The working principle is firstly explained by taking the constant temperature control of the cooling water of the aluminum wheel hub die and the heat energy recovery as an example, a die cooling water supply pump 14 extracts the cooling water with the temperature of 28 +/-2 ℃ in a die cooling water tank 13 to pressurize and supply the cooling water to a water cooling die 1, the temperature of the water cooling die 1 is raised from the temperature of 28 +/-2 ℃ to 60 ℃ after being cooled, the cooling water automatically flows into a die cooling water return tank 2, the die cooling water return pump 3 extracts the cooling water with the temperature of 60 ℃ to pressurize, then the cooling water enters a first-level temperature-reducing plate type heat exchanger 5 to be cooled through a first-level temperature-controlling three-way valve 4, then the cooling water further enters a second-level temperature-reducing plate type heat exchanger 9 to be cooled, the outlet water enters a second-level temperature-controlling three-way valve 10 and is detected by a temperature sensor 12, if the temperature exceeds 30 ℃, a, before entering the mold cooling water tank 13, the water temperature is prevented from being too low by detecting through the primary temperature control three-way valve 4 and the temperature sensor 12, and the water temperature is ensured to be stabilized at 28 +/-2 ℃.
The primary cooling plate type heat exchanger 5, the secondary cooling plate type heat exchanger 9, the tertiary cooling plate type heat exchanger 11 and the cooling secondary side circulating pump 8 are kept running all the time, the normal work of a cooling system is guaranteed, secondary side circulating water is used for heating after being extracted with heat energy through the water source heat pump unit 7, bathing and other heat consumption are carried out, the heat pump unit is set to run in a refrigeration mode, and the temperature of the secondary side circulating water is kept fluctuating within the range of +/-2 ℃.
The cooling tower 6 plays a standby role for a closed cooling tower and is opened when the water source heat pump is maintained.
The mold cooling water supply pump 14 is always operated;
3 intermittent type moves of mould cooling water return pump, installs level sensor in the mould cooling water return tank 2, and mould cooling water return pump 3 starts when high liquid level, and mould cooling water return pump 3 starts to stop during the low liquid level.
The whole device maintains the constant water temperature of the mold cooling water and recovers the heat energy of the mold cooling water through adjustment, so that the heat energy can be recovered for saving energy sources such as heating and bathing while the stable quality of the mold casting process is ensured.
The temperature of the cooling water of the die is constant and is regulated and controlled by a three-level cooling system and a two-level temperature control valve, and heat energy is extracted by a water source heat pump unit to be used for heating, bathing and other heat consumption while the temperature is constant. According to the actual operation technology, the target control temperature of the cooling water of the mold can be conveniently adjusted, the condition that the casting quality of the mold is influenced by temperature control fluctuation caused by manual operation is reduced, the cooling water of the mold uses pure water, and the cooling water does not contact with the outside and is radiated by heat transfer, so that the quality of a water body is ensured.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a water cooling mold cooling water temperature control heat recovery unit, includes water cooling mold (1), its characterized in that, one side of water cooling mold (1) is equipped with mould cooling water return water tank (2), one side of mould cooling water return water tank (2) is equipped with one-level cooling plate heat exchanger (5), one side of one-level cooling plate heat exchanger (5) is equipped with cooling tower (6), one side of cooling tower (6) is equipped with water source heat pump set (7), one side of one-level cooling plate heat exchanger (5) is equipped with second grade cooling plate heat exchanger (9), one side of second grade cooling plate heat exchanger (9) is equipped with tertiary cooling plate heat exchanger (11), be equipped with mould cooling water tank (13) between tertiary cooling plate heat exchanger (11) and water cooling mold (1).
2. A water cooling mold cooling water temperature control heat energy recovery device according to claim 1, characterized in that a mold cooling water return pump (3) is provided on a side of the mold cooling water return tank (2) away from the water cooling mold (1), and a primary temperature control three-way valve (4) is provided on a side of the mold cooling water return pump (3) away from the mold cooling water return tank (2).
3. A water cooling mould cooling water temperature control heat energy recovery device according to claim 1, characterized in that a second temperature control three-way valve (10) is arranged between the second temperature reduction plate heat exchanger (9) and the third temperature reduction plate heat exchanger (11).
4. A water-cooled mold cooling water temperature control heat energy recovery device according to claim 1, characterized in that a mold cooling water feed pump (14) is provided between the mold cooling water tank (13) and the water-cooled mold (1).
5. A water cooling mould cooling water temperature control heat energy recovery device according to claim 1, characterized in that two temperature sensors (12) are arranged between the three-stage temperature reduction plate heat exchanger (11) and the mould cooling water tank (13).
6. The cooling water temperature control heat energy recovery device of the water cooling mold according to claim 1, characterized in that a cooling secondary side circulating pump (8) is arranged between the water source heat pump unit (7) and the secondary cooling plate heat exchanger (9), and a liquid level sensor is installed in the mold cooling water return tank (2).
Priority Applications (1)
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CN202020918814.4U CN212191193U (en) | 2020-05-27 | 2020-05-27 | Water cooling mold cooling water temperature control heat recovery unit |
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CN202020918814.4U CN212191193U (en) | 2020-05-27 | 2020-05-27 | Water cooling mold cooling water temperature control heat recovery unit |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111515368A (en) * | 2020-05-27 | 2020-08-11 | 秦皇岛信能能源设备有限公司 | Water cooling mold cooling water temperature control heat recovery unit |
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- 2020-05-27 CN CN202020918814.4U patent/CN212191193U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111515368A (en) * | 2020-05-27 | 2020-08-11 | 秦皇岛信能能源设备有限公司 | Water cooling mold cooling water temperature control heat recovery unit |
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