CN109676114A - A kind of aluminium bar casting recirculated water thermostatic control system and method - Google Patents
A kind of aluminium bar casting recirculated water thermostatic control system and method Download PDFInfo
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- CN109676114A CN109676114A CN201910136367.9A CN201910136367A CN109676114A CN 109676114 A CN109676114 A CN 109676114A CN 201910136367 A CN201910136367 A CN 201910136367A CN 109676114 A CN109676114 A CN 109676114A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 278
- 238000005266 casting Methods 0.000 title claims abstract description 71
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 67
- 239000004411 aluminium Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 229
- 239000012530 fluid Substances 0.000 claims description 15
- 230000003020 moisturizing effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Temperature (AREA)
Abstract
The present invention relates to aluminium bar processing technique field more particularly to a kind of aluminium bar casting recirculated water thermostatic control systems, including hot-tub, water cooling pond, self-loopa cooling tower, the first cooling tower and the second cooling tower；The water inlet of the hot-tub is connect with the drainpipe of aluminium bar casting system.The invention further relates to a kind of aluminium bar casting recirculated water constant-temperature control methods, specifically includes the following steps: S1: when the water temperature of hot-tub is lower than 38 DEG C, self-loopa cooling tower stops cooling operations, and when the water temperature of hot-tub is higher than 40 DEG C, self-loopa cooling tower carries out cooling operations；S2: when the water temperature of water cooling pond is lower than 30 DEG C, the first cooling tower carries out cooling operations, and the second cooling tower stops cooling operations, and when the water temperature of water cooling pond is higher than 31 DEG C, the first cooling tower and the second cooling tower carry out cooling operations.Recirculated water thermostatic control system provided by the invention control loop coolant-temperature gage and can improve aluminium bar cast article quality.
Description
Technical field
The present invention relates to aluminium bar processing technique fields more particularly to a kind of casting of aluminium bar with recirculated water thermostatic control system and
Method.
Background technique
In order to be cooled and shaped in time when molten aluminum casting as aluminium bar, recirculated water is essential in aluminium bar casting process
A part, and thermostatical circulating water is the factor for controlling aluminium bar interior tissue quality most critical.Cross flow cooling tower is mostly used at present
Cooled down, there is following defects: hot water after casting overflows to hot-tub in casting well, after by centrifugal pump be extracted into crossing current
Water cooling pond is flowed into after the cooling tower cooler of formula, the water of water cooling pond is transported to casting well vavle shelf by centrifugal pump and is cast, whole process
Middle temperature difference is big, and water cooling pond and hot-tub be without temperature display, and when casting is unable to control the temperature of recirculated water；With cooling tower
It uses for a long time, filler and radiator fouling, cooling effect is bad, and water temperature raising can not monitor, and be easy to cause aluminium bar quality not
It is qualified；Wet-bulb temperature is larger to cooling effect, and winter and the summer cooling temperature difference can not be monitored at 5 DEG C, to product when casting
Quality influence it is very big；Be not suitable for high frequency time casting, casting interval time is short, and water temperature is cooling slow, is unable to reach requirement.
Summary of the invention
The technical problems to be solved by the present invention are: providing water temperature, the control that one kind can monitor water cooling pond and hot-tub
The aluminium bar casting recirculated water thermostatic control system that circulating water temperature, the suitable high frequency time for improving aluminium bar cast article quality are cast
And method.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted by the present invention are as follows: aluminium bar casting circulation water termostat
Control system, including hot-tub, water cooling pond, self-loopa cooling tower, the first cooling tower and the second cooling tower；
The water inlet of the hot-tub is connect with the drainpipe of aluminium bar casting system, the discharge outlet and aluminium of the water cooling pond
The water inlet pipe of stick casting system connects；
The water inlet pipe and outlet pipe of the self-loopa cooling tower are connect with hot-tub, the water inlet pipe of first cooling tower
It is connect with the discharge outlet of hot-tub, the outlet pipe of first cooling tower and the water inlet of water cooling pond connect, and described second is cooling
The water inlet pipe of tower and the discharge outlet of hot-tub connect, and the outlet pipe of second cooling tower and the water inlet of water cooling pond connect, institute
It states the first cooling tower and the second cooling tower is in be arranged in parallel；
The difference of the water temperature of the water temperature and water cooling pond of the hot-tub is less than or equal to 9 DEG C.
The present invention also provides a kind of aluminium bar casting recirculated water constant-temperature control methods, specifically includes the following steps:
S1: installing a self-loopa cooling tower outside hot-tub, to carry out cooling operations to the water in hot-tub, works as hot water
When the water temperature in pond is lower than 38 DEG C, self-loopa cooling tower stops cooling operations, when the water temperature of hot-tub is higher than 40 DEG C, self-circulation cold
But tower carries out cooling operations；
S2: the first cooling tower and the second cooling are respectively equipped on two pipelines in parallel between hot-tub and water cooling pond
Tower, when the water temperature of water cooling pond is lower than 30 DEG C, the first cooling tower carries out cooling operations, and the second cooling tower stops cooling operations, when
When the water temperature of water cooling pond is higher than 31 DEG C, the first cooling tower and the second cooling tower carry out cooling operations.
The beneficial effects of the present invention are: a kind of aluminium bar casting recirculated water thermostatic control system and method are provided, in heat
One self-loopa cooling tower is installed outside pond, forms the first closed circuit, realizes that the temperature of hot-tub is adjusted, in hot-tub and cold water
It is equipped with the first cooling tower and the second cooling tower in parallel between pond, is respectively formed the second closed circuit and third closed circuit, makes
The water temperature of water cooling pond is stablized.Water service system, water softening system and hot-tub form the 4th closed circuit, realize heat
The moisturizing operation in pond.Aluminium bar casting recirculated water thermostatic control system provided by the invention and method can monitor water cooling pond and
The water temperature of hot-tub, improves aluminium bar cast article quality at control loop coolant-temperature gage, is applicable to the high frequency time of different temperatures environment
Casting system.
Detailed description of the invention
Fig. 1 is the aluminium bar casting of the embodiment of the present invention structural schematic diagram of recirculated water thermostatic control system；
Label declaration:
1- hot-tub；2- water cooling pond；3- self-loopa cooling tower；The first cooling tower of 4-；The second cooling tower of 5-；The first thermoelectricity of 6-
It is even；The second thermocouple of 7-；The first fluid level transmitter of 8-；The second fluid level transmitter of 9-；The first centrifugal pump of 10-；11- second is centrifuged
Pump；12- self-loopa centrifugal pump；13- water service system；14- water softening system；The first motor-operated control valve of 15-；16- second
Motor-operated control valve；17- third motor-operated control valve；18- casting system.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: installing a self-loopa cooling tower outside hot-tub, the first closed circuit is formed,
It realizes that the temperature of hot-tub is adjusted, the first cooling tower and the second cooling tower in parallel is equipped between hot-tub and water cooling pond, point
The second closed circuit and third closed circuit are not formed, are stablized the water temperature of water cooling pond, are improved hot-tub and water cooling pond
Water temperature control efficiency, improve aluminium bar cast article quality, be applicable to the high frequency time casting system of different temperatures environment.
Please refer to Fig. 1, a kind of aluminium bar casting recirculated water thermostatic control system, including hot-tub, water cooling pond, self-circulation cold
But tower, the first cooling tower and the second cooling tower；
The water inlet of the hot-tub is connect with the drainpipe of aluminium bar casting system, the discharge outlet and aluminium of the water cooling pond
The water inlet pipe of stick casting system connects；
The water inlet pipe and outlet pipe of the self-loopa cooling tower are connect with hot-tub, the water inlet pipe of first cooling tower
It is connect with the discharge outlet of hot-tub, the outlet pipe of first cooling tower and the water inlet of water cooling pond connect, and described second is cooling
The water inlet pipe of tower and the discharge outlet of hot-tub connect, and the outlet pipe of second cooling tower and the water inlet of water cooling pond connect, institute
It states the first cooling tower and the second cooling tower is in be arranged in parallel；
The difference of the water temperature of the water temperature and water cooling pond of the hot-tub is less than or equal to 9 DEG C.
As can be seen from the above description, the beneficial effects of the present invention are: when aluminium bar casting system works, it should guarantee hot water
Under the premise of the difference of the maximum temperature of the maximum temperature and water cooling pond in pond is less than or equal to 9 DEG C, respectively to hot-tub and cold water
The water temperature in pond is controlled, and design in this way improves the cooling efficiency between hot-tub and water cooling pond, makes entirely to recycle water termostat
The temperature uniformity of control system is more preferable, and then improves product quality.One is constituted by being mounted on outside hot-tub, with hot-tub to be closed back
The self-loopa cooling tower on road will be flow back into hot-tub, again due to circuit closed, element pole after the water extraction cooling of hot-tub
Few, high degree improves cooling efficiency, reduces energy consumption.
Further, the temperature range of the hot-tub is 38 DEG C~41 DEG C.
Seen from the above description, when the water temperature of hot-tub reaches 40 DEG C, self-loopa cooling tower starts；When the water temperature of hot-tub
38 DEG C are down to hereinafter, self-loopa cooling tower is closed.
Further, the temperature range of the water cooling pond is 29 DEG C~32 DEG C.
Seen from the above description, when the water temperature of water cooling pond is lower than 30 DEG C, the first cooling tower is opened, it is cooling to close second
Tower, hot water are cooled down by the first cooling tower；When the water temperature of water cooling pond rises to 31 DEG C, the first cooling tower and the second cooling tower are equal
Starting.
Further, the aluminium bar casting recirculated water thermostatic control system further includes the first heat being arranged in hot-tub
Galvanic couple and the second thermocouple being arranged in water cooling pond.
Seen from the above description, cooperate temp controlled meter using the first thermocouple and the second thermocouple, convenient for water temperature display and
Control realizes the real-time monitoring of the temperature of circulation water termostat casting system.
Further, the aluminium bar casting recirculated water thermostatic control system further includes the first liquid being arranged in hot-tub
Position transmitter and the second fluid level transmitter being arranged in water cooling pond, first fluid level transmitter and the second fluid level transmitter
It is connect with display controller.
Seen from the above description, pass through the first fluid level transmitter, the second fluid level transmitter and display controller, setting height
Level value and ultralow alarming value control water pump and corresponding cooling tower, and liquid level is lower than low value then to the Chi Jiashui；Liquid level reaches high
Value stops adding water；Liquid level is lower than ultralow alarming value, and sending alarms and stops the water and is extracted.In this way, making whole or independent
Closed circulation system automation control precision it is higher, reduce manpower and material resources, further ensure the temperature uniformity of system.
Further, the aluminium bar casting recirculated water thermostatic control system further includes being arranged on the drainpipe of hot-tub
The first centrifugal pump and the second centrifugal pump for being arranged on the drainpipe in water cooling pond, the water inlet pipe of the self-loopa cooling tower
It is equipped with self-loopa centrifugal pump.
Seen from the above description, the first centrifugal pump, the second centrifugal pump and self-loopa centrifugal pump play recirculated water and pump
Effect is higher or lower than preset value according to water temperature, controls the start and stop of centrifugal pump, guarantees constant temperature and cycle efficieny.
Further, the aluminium bar casting recirculated water thermostatic control system further includes water service system and softened water
System, the water service system is connect via water softening system with hot-tub, between the water softening system and hot-tub
Equipped with circulating water inlet and circulating water outlet pipe.
Seen from the above description, there are a large amount of moisture in casting process is taken away by high wind, needs manually to be mended daily
Water operation, when moisturizing, needs manual switching tap water to fill processing unit by softened water, troublesome in poeration, therefore, passes through above-mentioned component
It realizes automatic high-efficiency moisturizing operation, uses manpower and material resources sparingly.
Further, the first motor-operated control valve, the recirculated water water inlet are equipped between the hot-tub and the second cooling tower
Pipe is equipped with the second motor-operated control valve, and third motor-operated control valve is equipped between the water service system and water softening system.
Seen from the above description, the first motor-operated control valve, the second motor-operated control valve and third motor-operated control valve are to control
The opening and closing of circulating water pipeline, to switch different operating modes.
A kind of aluminium bar casting recirculated water constant-temperature control method, specifically includes the following steps:
S1: installing a self-loopa cooling tower outside hot-tub, to carry out cooling operations to the water in hot-tub, works as hot water
When the water temperature in pond is lower than 38 DEG C, self-loopa cooling tower stops cooling operations, when the water temperature of hot-tub is higher than 40 DEG C, self-circulation cold
But tower carries out cooling operations；
S2: the first cooling tower and the second cooling are respectively equipped on two pipelines in parallel between hot-tub and water cooling pond
Tower, when the water temperature of water cooling pond is lower than 30 DEG C, the first cooling tower carries out cooling operations, and the second cooling tower stops cooling operations, when
When the water temperature of water cooling pond is higher than 31 DEG C, the first cooling tower and the second cooling tower carry out cooling operations.
As can be seen from the above description, the beneficial effects of the present invention are: since fixed water flow passes through set cooling tower
Water temperature decreasing value be limited and relatively-stationary, but compare two concatenated modes of cooling tower, in hot-tub to cold water
Second cooling tower in parallel by first cooling tower in pond, two cooling tower waters of the same set water flow Jing Guo parallel running
Temperature can reduce by 9~11 DEG C, and concatenated mode only can reduce 4~6 DEG C, for high frequency time casting system, parallel running
When cooling efficiency it is higher and energy consumption is less, " constant temperature " control is more stable, and the quality of institute's aluminium cast bar gets a promotion, by this
Recirculated water thermostatic control system makes aluminium bar casting system can be adapted for wider environment temperature.
When aluminium bar casting system works, the water temperature of hot-tub should be controlled first lower than 41 DEG C, then again to water cooling pond
Water temperature is controlled, and is guaranteed that the difference of the maximum temperature of hot-tub and the maximum temperature of water cooling pond is less than or equal to 9 DEG C, is set in this way
Meter improves the cooling efficiency between hot-tub and water cooling pond, keeps the temperature uniformity of entire recirculated water thermostatic control system more preferable, into
And improve product quality.The self-loopa cooling tower that a closed circuit is constituted by being mounted on outside hot-tub, with hot-tub, by hot water
It is flow back into hot-tub again after the water extraction in pond is cooling, since circuit closed, element are few, high degree improves cooling effect
Rate reduces energy consumption.When the water temperature of hot-tub reaches 40 DEG C, self-loopa cooling tower starts；When the water temperature of hot-tub is down to 38 DEG C
Hereinafter, self-loopa cooling tower is closed.Secondly, opening the first cooling tower when the water temperature of water cooling pond is lower than 30 DEG C, it is cold to close second
But tower, hot water are cooled down by the first cooling tower；When the water temperature of water cooling pond rises to 31 DEG C, the first cooling tower and the second cooling tower
Start, so that the water temperature of water cooling pond obtains stability contorting.
Further, the step further includes S3: being sequentially connected by water service system and water softening system to heat
Pond carries out moisturizing operation.
Seen from the above description, taken away since there are a large amount of moisture in casting process by high wind, need it is artificial daily into
Row moisturizing operation, when moisturizing, need manual switching tap water to fill processing unit by softened water, operate cumbersome, are by above-mentioned component
Automatic high-efficiency moisturizing operation can be achieved.
Please refer to Fig. 1, the embodiment of the present invention one are as follows: a kind of aluminium bar casting recirculated water thermostatic control system, including heat
Pond 1, water cooling pond 2, self-loopa cooling tower 3, the first cooling tower 4 and the second cooling tower 5；
The drainpipe of the water inlet of the hot-tub 1 and aluminium bar casting system is connect, the discharge outlet of the water cooling pond 2 and
The water inlet pipe of aluminium bar casting system connects；
The water inlet pipe and outlet pipe of the self-loopa cooling tower 3 are connect with hot-tub 1, first cooling tower 4 into
Water pipe is connect with the discharge outlet of hot-tub 1, and the outlet pipe of first cooling tower 4 is connect with the water inlet of water cooling pond 2, and described
The water inlet pipe of two cooling towers 5 is connect with the discharge outlet of hot-tub 1, the water inlet of the outlet pipe and water cooling pond 2 of second cooling tower 5
Mouth connection, first cooling tower 4 and the second cooling tower 5 are in be arranged in parallel；
The difference of the water temperature of the water temperature and water cooling pond 2 of the hot-tub 1 is less than or equal to 9 DEG C.
Please refer to Fig. 1, the embodiment of the present invention two are as follows: a kind of aluminium bar casting recirculated water thermostatic control system, including heat
Pond 1, water cooling pond 2, self-loopa cooling tower 3, the first cooling tower 4 and the second cooling tower 5；
The drainpipe of the water inlet of the hot-tub 1 and aluminium bar casting system is connect, the discharge outlet of the water cooling pond 2 and
The water inlet pipe of aluminium bar casting system connects；
The water inlet pipe and outlet pipe of the self-loopa cooling tower 3 are connect with hot-tub 1, first cooling tower 4 into
Water pipe is connect with the discharge outlet of hot-tub 1, and the outlet pipe of first cooling tower 4 is connect with the water inlet of water cooling pond 2, and described
The water inlet pipe of two cooling towers 5 is connect with the discharge outlet of hot-tub 1, the water inlet of the outlet pipe and water cooling pond 2 of second cooling tower 5
Mouth connection, first cooling tower 4 and the second cooling tower 5 are in be arranged in parallel；
The difference of the water temperature of the water temperature and water cooling pond 2 of the hot-tub 1 is less than or equal to 9 DEG C.
The water inlet of the hot-tub 1 is connect with the outlet pipe of casting system 18, the water outlet of the water cooling pond 2 and casting
The water inlet pipe of system 18 connects.The temperature range of the hot-tub 1 is 41 DEG C.The temperature range of the water cooling pond 2 is 32 DEG C.Institute
Aluminium bar casting recirculated water thermostatic control system is stated to further include the first thermocouple 6 being arranged in hot-tub 1 and be arranged cold
The second thermocouple 7 in pond 2.The aluminium bar casting recirculated water thermostatic control system further includes being arranged in hot-tub 1
First fluid level transmitter 8 and the second fluid level transmitter 9 being arranged in water cooling pond 2, first fluid level transmitter 8 and second
Fluid level transmitter 9 is connect with display controller.The aluminium bar casting recirculated water thermostatic control system further includes being arranged in heat
The first centrifugal pump 10 on the drainpipe in pond 1 and the second centrifugal pump 11 on the drainpipe being arranged in water cooling pond 2, it is described
The water inlet pipe of self-loopa cooling tower 3 is equipped with self-loopa centrifugal pump 12.The aluminium bar casting uses recirculated water thermostatic control system also
Including water service system 13 and water softening system 14, the water service system 13 is via water softening system 14 and hot water
Pond 1 connects, and circulating water inlet and circulating water outlet pipe are equipped between the water softening system 14 and hot-tub 1.The hot water
The first motor-operated control valve 15 is equipped between pond 1 and the second cooling tower 5, the circulating water inlet is equipped with the second motor-operated control valve
16, third motor-operated control valve 17 is equipped between the water service system 13 and water softening system 14.
In conclusion the present invention provides a kind of aluminium bar casting recirculated water thermostatic control system and method, outside hot-tub
One self-loopa cooling tower is installed, the first closed circuit is formed, realizes that the temperature of hot-tub is adjusted, between hot-tub and water cooling pond
Equipped with the first cooling tower and the second cooling tower in parallel, it is respectively formed the second closed circuit and third closed circuit, makes water cooling pond
Water temperature stablized.Water service system, water softening system and hot-tub form the 4th closed circuit, realize hot-tub
Moisturizing operation.Aluminium bar casting recirculated water thermostatic control system provided by the invention and method can monitor water cooling pond and hot-tub
Water temperature, control loop coolant-temperature gage, improve aluminium bar cast article quality, be applicable to different temperatures environment high frequency time casting system
System.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (10)
1. a kind of aluminium bar casting recirculated water thermostatic control system, which is characterized in that including hot-tub, water cooling pond, self-circulation cold
But tower, the first cooling tower and the second cooling tower；
The water inlet of the hot-tub is connect with the drainpipe of aluminium bar casting system, and the discharge outlet and aluminium bar of the water cooling pond are cast
It makes and is connected with the water inlet pipe of system；
The water inlet pipe and outlet pipe of the self-loopa cooling tower are connect with hot-tub, the water inlet pipe and heat of first cooling tower
The discharge outlet in pond connects, and the outlet pipe of first cooling tower and the water inlet of water cooling pond connect, second cooling tower
The water inlet of the connection of the discharge outlet of water inlet pipe and hot-tub, the outlet pipe of second cooling tower and water cooling pond connects, and described the
One cooling tower and the second cooling tower are in be arranged in parallel；
The difference of the water temperature of the water temperature and water cooling pond of the hot-tub is less than or equal to 9 DEG C.
2. aluminium bar casting recirculated water thermostatic control system according to claim 1, which is characterized in that the hot-tub
Temperature range is 38 DEG C~41 DEG C.
3. aluminium bar casting recirculated water thermostatic control system according to claim 1, which is characterized in that the water cooling pond
Temperature range is 29 DEG C~32 DEG C.
4. aluminium bar casting recirculated water thermostatic control system according to claim 1, which is characterized in that the aluminium bar casting
It further include the first thermocouple being arranged in hot-tub and be arranged in water cooling pond second with recirculated water thermostatic control system
Thermocouple.
5. aluminium bar casting recirculated water thermostatic control system according to claim 1, which is characterized in that the aluminium bar casting
Further include the first fluid level transmitter being arranged in hot-tub with recirculated water thermostatic control system and is arranged in water cooling pond
Second fluid level transmitter, first fluid level transmitter and the second fluid level transmitter are connect with display controller.
6. aluminium bar casting recirculated water thermostatic control system according to claim 1, which is characterized in that the aluminium bar casting
Further include the first centrifugal pump on the drainpipe for be arranged in hot-tub with recirculated water thermostatic control system and is arranged in water cooling pond
The water inlet pipe of the second centrifugal pump on interior drainpipe, the self-loopa cooling tower is equipped with self-loopa centrifugal pump.
7. aluminium bar casting recirculated water thermostatic control system according to claim 1, which is characterized in that the aluminium bar casting
It further include water service system and water softening system with recirculated water thermostatic control system, the water service system is via soft
Change water system to connect with hot-tub, circulating water inlet is equipped between the water softening system and hot-tub and recirculated water is discharged
Pipe.
8. aluminium bar according to claim 7 casting recirculated water thermostatic control system, which is characterized in that the hot-tub with
Between second cooling tower be equipped with the first motor-operated control valve, the circulating water inlet be equipped with the second motor-operated control valve, it is described from
To be equipped with third motor-operated control valve between water supply system and water softening system.
9. a kind of aluminium bar for aluminium bar casting recirculated water thermostatic control system described in claim 1~8 any one is cast
It makes with recirculated water constant-temperature control method, which is characterized in that specifically includes the following steps:
S1: installing a self-loopa cooling tower outside hot-tub, to carry out cooling operations to the water in hot-tub, when hot-tub
When water temperature is lower than 38 DEG C, self-loopa cooling tower stops cooling operations, when the water temperature of hot-tub is higher than 40 DEG C, self-loopa cooling tower
Carry out cooling operations；
S2: being respectively equipped with the first cooling tower and the second cooling tower on two pipelines in parallel between hot-tub and water cooling pond,
When the water temperature of water cooling pond is lower than 30 DEG C, the first cooling tower carries out cooling operations, and the second cooling tower stops cooling operations, works as cold water
When the water temperature in pond is higher than 31 DEG C, the first cooling tower and the second cooling tower carry out cooling operations.
10. aluminium bar casting recirculated water constant-temperature control method according to claim 9, which is characterized in that the step is also
Including S3: being sequentially connected by water service system and water softening system and carry out moisturizing operation to hot-tub.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986618A (en) * | 2019-12-10 | 2020-04-10 | 山西太钢不锈钢股份有限公司 | Recycling method of cooling tower |
| CN112719250A (en) * | 2020-12-18 | 2021-04-30 | 四川福蓉科技股份公司 | Constant-temperature and constant-pressure cooling circulation system and control method thereof |
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Application publication date: 20190426 |