CN208968314U - Tandem constant-temperature cooling system - Google Patents
Tandem constant-temperature cooling system Download PDFInfo
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- CN208968314U CN208968314U CN201821636240.0U CN201821636240U CN208968314U CN 208968314 U CN208968314 U CN 208968314U CN 201821636240 U CN201821636240 U CN 201821636240U CN 208968314 U CN208968314 U CN 208968314U
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Abstract
The utility model relates to cooling fields, relate to a kind of tandem constant-temperature cooling system, its first cooling tower and the second cooling tower are connected in series by pipeline, temperature sensor is located between the discharge ends of the second cooling tower and the water inlet end of heat recovery apparatus, temperature sensor real-time detection cooler-water temperature after cooling, adjustable speed blower reduces revolving speed when water temperature over-high, another cooling blower time-delay closing, on the contrary then adjustable speed blower improves revolving speed, another cooling blower delayed start-up, to stablize the water temperature of cooling water, ensure that heat recovery apparatus can recycle the energy of cooling water, cooler-water temperature can also be kept not less than 4 DEG C simultaneously, prevent cooling water from freezing in cooling tower.
Description
Technical field
The utility model relates to cooling fields, more particularly to a kind of tandem constant-temperature cooling system.
Background technique
Existing cooling heat radiation system is made of multiple cooling towers being connected in parallel, however the cooling effect of each cooling tower
Difference causes the water temperature of the cooling water of each cooling tower discharge not identical, the cooling water of multiple cooling towers discharges after convergence,
The lower cooling water of water temperature absorbs the thermal energy of the higher cooling water of water temperature, the water temperature and the system of the cooling water after leading to convergence
Default cooling water cooling temperature be not inconsistent, if in the cooling heat radiation system be equipped with set for recycling the recuperation of heat of cooling water heat
It is standby, then heat recovery equipment is difficult to recycle the energy in the lower cooling water of water temperature.Moreover, again due to each cooling tower
The water temperature of the cooling water of discharge is different, i.e., the cooler-water temperature of certain cooling tower discharges is lower, and the coolant flow channel of cooling tower is easy
In winter by bursting by freezing.For this purpose, the cooling tower of northern area would generally install electric heater additional on coolant flow channel, coolant flow channel is prevented
Interior cooling water freezes, however electric heater can greatly improve the energy consumption of cooling tower.
Utility model content
To solve the above-mentioned problems, the purpose of the utility model is to provide a kind of tandem constant-temperature cooling systems, to solve
The problem of cooler-water temperature fluctuation of existing multiple cooling tower discharges is big and cooling water easily freezes.
Based on this, the utility model provides a kind of tandem constant-temperature cooling system, including heat recovery apparatus, cooling component
And temperature sensor;
The cooling component include the first cooling tower and the second cooling tower, the first cooling blower of first cooling tower or
Second cooling blower of second cooling tower is adjustable speed blower;
The cooling water of the heat recovery apparatus discharge is cooled down followed by first cooling tower and the second cooling tower
After be back to the heat recovery apparatus, the temperature sensor is connected to the discharge ends of second cooling tower, and the temperature
Sensor heat recovery apparatus according to the lower water temperature of the discharge ends of second cooling tower, the first cooling blower and second are cold
But the working condition of blower, the water temperature for flowing through the temperature sensor, which is consistently greater than, is equal to 4 DEG C.
Preferably, the discharge ends of second cooling tower by liquid pumping device be connected to the heat recovery apparatus into
Water end (W.E.).
Preferably, the discharge ends of the heat recovery apparatus are connected to life water lines by the first shut-off valve.
Preferably, first cooling blower is variable ratio frequency changer adjustable speed fan.
Preferably, the first maintenance pipeline being arranged in parallel with its coolant flow channel is additionally provided on first cooling tower,
There is the second shut-off valve on the first maintenance pipeline, the cooling water flows through described first when second shut-off valve is opened
It overhauls pipeline and bypasses the coolant flow channel of first cooling tower.
Preferably, the second maintenance pipeline being arranged in parallel with its coolant flow channel is additionally provided on second cooling tower,
There is third shut-off valve on the second maintenance pipeline, the cooling water flows through described second when the third shut-off valve is opened
It overhauls pipeline and bypasses the coolant flow channel of second cooling tower.
Preferably, the temperature sensor be electrically connected in the heat recovery apparatus, the first cooling blower and
Second cooling blower.
The tandem constant-temperature cooling system of the utility model, the first cooling tower and the second cooling tower are connected by pipeline to be connected
It connects, temperature sensor is located between the discharge ends of the second cooling tower and the water inlet end of heat recovery apparatus, and temperature sensor is examined in real time
Survey cooler-water temperature after cooling, adjustable speed blower reduces revolving speed when water temperature over-high, another cooling blower time-delay closing, it is on the contrary then
Adjustable speed blower improves revolving speed, another cooling blower delayed start-up, to stablize the water temperature of cooling water, it is ensured that heat recovery apparatus can
The energy of cooling water is recycled, while cooler-water temperature can also be kept not less than 4 DEG C, prevents cooling water from freezing in cooling tower.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the tandem constant-temperature cooling system of the utility model embodiment.
Wherein, 1, heat recovery apparatus;11, the first shut-off valve;2, the first cooling tower;21, the first cooling blower;22, first
Overhaul pipeline;221, the second shut-off valve;3, the second cooling tower;31, the second cooling blower;32, the second maintenance pipeline;321, third
Shut-off valve;4, temperature sensor;5, liquid pumping device;6, life water lines.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in connection with fig. 1, the tandem constant-temperature cooling system of the utility model is schematically showed, heat recovery apparatus 1,
Cooling component and temperature sensor 4.Cooling component includes the first cooling tower 2 and the second cooling tower 3, wherein the first cooling tower 2
First cooling blower 21 is variable ratio frequency changer adjustable speed fan, has the second cooling blower 31 on the second cooling tower 3.Heat recovery apparatus 1
Discharge ends, the first cooling tower 2, the second cooling tower 3 and heat recovery apparatus 1 water inlet end be sequentially connected by pipeline, i.e. recuperation of heat
The cooling water that device 1 is discharged is back to heat recovery apparatus 1 after carrying out cooling followed by the first cooling tower 2 and the second cooling tower 3
Water inlet end, temperature sensor 4 is connected to the discharge ends of the second cooling tower 3.Temperature sensor 4 is electrically connected in recuperation of heat
Device 1, the first cooling blower 21 and the second cooling blower 31.Water temperature reduces after flowing through cooling tower due to cooling water, temperature
The water temperature that sensor 4 detects is the minimum water temperature in the system, if the water temperature that temperature sensor 4 detects is 4 DEG C, first is cooling
Water temperature in tower 2 and the second cooling tower 3 is all larger than 4 DEG C, and the cooling water in the first cooling tower 2 and the second cooling tower 3 will not at this time
Freeze.Heat recovery apparatus 1 includes the heat extraction end of air compressor or refrigerator, and above-mentioned heat extraction end is by pipeline connection in the
One cooling tower 2 and the second cooling tower 3, use cooling water to cool down for above-mentioned heat extraction end.In actual use, it is only necessary to by cooling water
It is cooled to a default cooling temperature, cooling water can satisfy the good heat radiating at above-mentioned heat extraction end at this time, additionally it is possible to provide hotter
Domestic water, specifically, the discharge ends of heat recovery apparatus 1 are connected to life water lines 6 by the first shut-off valve 11, when unused
When domestic water, the first shut-off valve 11 is closed, cooling water enters the first cooling tower 2 and the second cooling tower 3 is cooled down.Therefore,
When the water temperature that temperature sensor 4 detects is higher than default cooling temperature, the working frequency of the first cooling blower 21 is improved to be promoted
Its revolving speed, and the second cooling blower of delayed start-up 31, and then cooling efficiency is improved to reduce cooler-water temperature.Conversely, then reducing
The working frequency of first cooling blower 21 reduces cooling water to slow down its revolving speed, and the second cooling blower of time-delay closing 31
Water temperature.Meanwhile if when temperature sensor 4 detects water temperature lower than 4 DEG C, it is automatic to start heat recovery apparatus 1 so that is produced from its heat extraction end
Heat, and then cooler-water temperature is improved, while the first cooling blower 21 and the second cooling blower are controlled according to practical cooler-water temperature
31 working condition, it is final to keep cooler-water temperature to be consistently greater than being equal to 4 DEG C, prevent cooling water in the first cooling tower 2 and/or the
Freeze in the coolant flow channel of two cooling towers 3.Preferably, the discharge ends of the second cooling tower 3 are connected to recuperation of heat by liquid pumping device 5
The water inlet end of device 1, liquid pumping device 5 continues working (especially when cooler-water temperature is close to 4 DEG C) in winter, to keep cooling
Water circulates, and prevents cooling water from freezing.Temperature sensor 4 is only arranged in the discharge ends of the second cooling tower 3 by this measure
The cooling water lowest temperature of whole system is detected, to ensure that the water temperature of cooling water after the cooling period meets heat recovery apparatus 1 and life is used
The demand of water water temperature, additionally it is possible to prevent the coolant flow channel in above-mentioned cooling tower from freezing to crack.
In order to facilitate the maintenance of cooling tower, the first inspection being arranged in parallel with its coolant flow channel is additionally provided on the first cooling tower 2
It repairs pipeline 22, there is the second shut-off valve 221 on the first maintenance pipeline 22, cooling water flows through the when the second shut-off valve 221 is opened
One maintenance pipeline 22 and the coolant flow channel for bypassing the first cooling tower 2.Stream is cooled down with it likewise, being additionally provided on the second cooling tower 3
The second maintenance pipeline 32 that road is arranged in parallel, second overhauls with third shut-off valve 321 on pipeline 32, and cooling water is in the third
Shut-off valve 321 flows through the second maintenance pipeline 32 and bypasses the coolant flow channel of the second cooling tower 3 when opening.
In conclusion the tandem constant-temperature cooling system of the utility model, the first cooling tower 2 and the second cooling tower 3 are logical
Pipeline series connection is crossed, temperature sensor 4 is located between the discharge ends of the second cooling tower 3 and the water inlet end of heat recovery apparatus 1, temperature
4 real-time detection of sensor cooler-water temperature after cooling is spent, adjustable speed blower reduces revolving speed, another cooling blower when water temperature over-high
Time-delay closing, on the contrary then adjustable speed blower raising revolving speed, another cooling blower delayed start-up, to stablize the water temperature of cooling water, really
Thermal protection recyclable device 1 can recycle the energy of cooling water, while cooler-water temperature can also be kept not less than 4 DEG C, prevent from cooling down
Water freezes in cooling tower.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (7)
1. a kind of tandem constant-temperature cooling system, which is characterized in that including heat recovery apparatus, cooling component and temperature sensor;
The cooling component includes the first cooling tower and the second cooling tower, the first cooling blower or described of first cooling tower
Second cooling blower of the second cooling tower is adjustable speed blower;
The cooling water of the heat recovery apparatus discharge returns after carrying out cooling followed by first cooling tower and the second cooling tower
It is flow to the heat recovery apparatus, the temperature sensor is connected to the discharge ends of second cooling tower, and the temperature sensing
Device heat recovery apparatus according to the lower water temperature of the discharge ends of second cooling tower, the first cooling blower and the second cooling wind
The working condition of machine, the water temperature for flowing through the temperature sensor, which is consistently greater than, is equal to 4 DEG C.
2. tandem constant-temperature cooling system according to claim 1, which is characterized in that the discharge ends of second cooling tower
The water inlet end of the heat recovery apparatus is connected to by liquid pumping device.
3. tandem constant-temperature cooling system according to claim 1, which is characterized in that the discharge ends of the heat recovery apparatus
Life water lines are connected to by the first shut-off valve.
4. tandem constant-temperature cooling system according to claim 1, which is characterized in that first cooling blower is variable
Frequency adjustable speed fan.
5. tandem constant-temperature cooling system according to claim 1, which is characterized in that be additionally provided on first cooling tower
The first maintenance pipeline being arranged in parallel with its coolant flow channel, described first overhauls on pipeline with the second shut-off valve, the cooling
Water flows through the first maintenance pipeline when second shut-off valve is opened and bypasses the coolant flow channel of first cooling tower.
6. tandem constant-temperature cooling system according to claim 1, which is characterized in that be additionally provided on second cooling tower
The second maintenance pipeline being arranged in parallel with its coolant flow channel, described second overhauls on pipeline with third shut-off valve, the cooling
Water flows through the second maintenance pipeline when the third shut-off valve is opened and bypasses the coolant flow channel of second cooling tower.
7. tandem constant-temperature cooling system according to claim 1, which is characterized in that the temperature sensor is electrical respectively
It is connected to the heat recovery apparatus, the first cooling blower and the second cooling blower.
Priority Applications (1)
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CN201821636240.0U CN208968314U (en) | 2018-10-09 | 2018-10-09 | Tandem constant-temperature cooling system |
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CN201821636240.0U CN208968314U (en) | 2018-10-09 | 2018-10-09 | Tandem constant-temperature cooling system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109186275A (en) * | 2018-10-09 | 2019-01-11 | 佛山市海天(江苏)调味食品有限公司 | Tandem constant-temperature cooling system |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109186275A (en) * | 2018-10-09 | 2019-01-11 | 佛山市海天(江苏)调味食品有限公司 | Tandem constant-temperature cooling system |
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Address after: 223800 no.889 Suzhou Road, Suqian Economic and Technological Development Zone, Jiangsu Province Patentee after: Haitian vinegar Group Co.,Ltd. Patentee after: Foshan Haitian seasoning Food Co., Ltd Address before: 223800 no.889 Suzhou Road, Suqian Economic and Technological Development Zone, Jiangsu Province Patentee before: FOSHAN HAITIAN (JIANGSU) FLAVOURING FOOD Co.,Ltd. Patentee before: Foshan Haitian seasoning Food Co., Ltd |