CN205909726U - Mixing of air cooling recirculated cooling water dry -type is cooling system again - Google Patents
Mixing of air cooling recirculated cooling water dry -type is cooling system again Download PDFInfo
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- CN205909726U CN205909726U CN201620892462.3U CN201620892462U CN205909726U CN 205909726 U CN205909726 U CN 205909726U CN 201620892462 U CN201620892462 U CN 201620892462U CN 205909726 U CN205909726 U CN 205909726U
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Abstract
The utility model relates to a mixing of air cooling recirculated cooling water dry -type is cooling system again, at need cooling equipment external connection air cooling cooling back installation, link to each other through the pipeline and loop in, air cooling cooling back installation accesss to the output pipeline who needs the cooling device and goes up the parallelly connected air -cooled refrigeration and cooling system that sets up, the export is equipped with hot and cold water mixing device with the output pipeline junction in air -cooled refrigeration and cooling system, above -mentioned air -cooled refrigeration and cooling system contains 1 at least air -cooled refrigeration and cooling device, the utility model discloses system simple structure, the operational check is convenient, and equipment cost is low, goes out water temperature steady, the recirculated cooling water that the satisfies droughty and water lack areas summer needs of cooling down again, the lower area of specially adapted night temperature in summer.
Description
Technical field
This utility model belongs to the power plant cooling down system again that drought and water-scarce area is suitable for.
Background technology
In drought and water-scarce area, especially extreme dehydration area, the feature of summer climate is daytime temperature height, nighttime temperature
Low, day and night temperature is big.Part in this region has the industrial undertaking of the very big equipment of heat dissipation capacity, for ensureing the production peace of enterprise
Row for the national games, need to carry out cooling process by great equipment to heat dissipation capacity, to reach the safe operating temperature of equipment itself.For example generate electricity
Steam turbine in factory and the converter valve cooling system in subsidiary engine blood circulation, extra-high voltage DC transmission system DC current conversion station etc..Right
Drought and water shortage, especially extreme dehydration area, cooling recirculation system typically adopts air cooling system (also referred to as air cooling system), conventional big
The cooled temperature of type air cooling system interior circulation water is high 7～8 DEG C generally than outside atmosphere temperature.Because of extreme arid torrid climate Area during Summer
Meteorological condition is special, and the temperature on daytime is higher, often exceeds more than 32 DEG C so that the coolant-temperature gage after air cooling system cooling is at 39 DEG C
More than, require cooling inflow temperatures to have a special installation of safety requirements less than 38 DEG C for some, cooling water enter water temperature
Degree has exceeded the maximum safety temperature of its safe operation, need to carry out cooling further and process so as to the inflow temperature of recirculated water is low
Below safe temperature required by equipment, the normal operation that guarantee produces.Recirculated cooling water cools equipment from need
Draw and after air cooling cooling back installation cools down, if the temperature of its recirculated cooling water remains above cooled cooling system institute
During the highest safety value that need to lower the temperature with recirculated cooling water inlet temperature, could meet, after process of need to lowering the temperature again, the cooling system that is cooled
Safe operation require.
Generally, the mode processing frequently with water-spraying evaporation cooling of lowering the temperature again of recirculated cooling water, but in drought and water shortage, especially
It is extreme dehydration area, caloric value is larger, need the lower the temperature further system of process of recirculated cooling water to be or should not to prohibit the use of spray
The mode of water cooling, some areas are at all anhydrous to be gone to carry out spraying water, sprays to reach the purpose that evaporation cools.
In addition, because the outdoor temperature of hot arid area summer day higher so that air cooling cooling back installation cooling after
Recirculated cooling water temperature higher, under this operating mode, conventional refrigeration unit (includes electrical chillers and lithium bromide refrigerator
Group) cannot run；Again because BrLi chiller requires to the cooling environment of cooling system, at present all using water cooling
Mode, the operation and Wind-cooling type BrLi chiller does not also put into production.Therefore, for reducing hot, arid, water-deficient area summer
The water consumption of recirculating cooling water system, BrLi chiller is not suitable for recirculation cooling water cooling system again.
Utility model content
The technical problem that this utility model is solved is i.e. in the air cooling circulating cooling providing a kind of drought and water-scarce area to be suitable for
Water dry type blends cooling down system again.
The technological means that this utility model is adopted are as follows.
A kind of air cooling recirculated cooling water dry type blends cooling system again, connects air cooling circulation in the need device external that cools
Chiller, is connected to form loop by pipeline, and described air cooling cooling back installation leads to the outlet tube needing cooling device
Air cooling refrigeration cooling system is arranged in parallel on road, is provided with the outlet of air cooling refrigeration cooling system and output channel junction cold
Hot water mixing device.
Described air cooling refrigeration cooling system comprises at least one air cooling refrigeration heat sink.
Beneficial effect produced by this utility model: simple system, run easy to control, meet drought and water-scarce area summer
Recirculated cooling water lower the temperature again needs, be particularly well-suited to summer nocturnal temperature lower ground area, because blending required low-temperature cold water
Consumption is relatively fewer, and it prepares the number of units of the refrigeration cooling device of the specific form needed for low-temperature cold water also can be relatively fewer, fall
Low equipment cost, and there is not exchange loss in blending procedure, and ensure that the circulation entering the equipment that need to cool is cold
But water even water temperature is stable.
Brief description
Fig. 1 is the schematic diagram that air cooling recirculated cooling water dry type of the present utility model blends cooling system again.
Specific embodiment
This utility model protection is applied to the summer nocturnal temperature lower ground area of drought and water-scarce area, is that a kind of air cooling follows
Ring cooling water dry blends cooling system again.
As shown in figure 1, cooling equipment 1 external connection air cooling cooling back installation 2 in need, it is connected to form by pipeline
Loop.Of the present utility model focus on, leading in air cooling cooling back installation 2 needs the output channel 21 of cooling device 1
It is arranged in parallel air cooling refrigeration cooling system 3, the outlet of this air cooling refrigeration cooling system 3 is provided with output channel 21 junction
Hot and cold water mixing device 6.
Above-mentioned air cooling refrigeration cooling system 3 can comprise at least one air cooling refrigeration heat sink, can be according to actual environment
And use demand determines the quantity of this device, here no longer specifically limits.
Output channel 21 arranges valve 4, for controlling the circulating cooling water flow of output channel 21, in air-cooled system
Before cold cooling system arrange valve 5, for control enter air cooling refrigeration cooling system 3 lowered the temperature again operation circulation cold
But discharge.Two valves coordinate the distribution controlling circulating cooling water flow jointly.
When actually used, the high temperature circulation cooling water after needing cooling device 1 heat absorption to heat up flow to air cooling circulation
Chiller 2 carries out cooling down, then flows back and the need equipment of cooling is lowered the temperature.Summer evenings external temperature reduces,
High-temperature cooling water is lowered the temperature but not up to required cooling water temperature by air cooling cooling back installation 2, that is, be higher than to need cooling device 1
Highest safety entrance temperature, open valve 5 and adjust valve 4 simultaneously, extract part recirculated cooling water in output channel 21 and enter
After air cooling refrigeration heat sink 3 is lowered the temperature again, enter hot and cold water mixing device 6, then cooling down water and output channel 21
After middle another part cooling water blends, reach temperature required requirement, that is, be equal to or less than highest safety entrance temperature, enter back into
Need to cool in equipment 1.
Dry type of the present utility model blends the setting of heat sink, simple system again, runs easy to control, meets arid and lacks
The recirculated cooling water of water Area during Summer is lowered the temperature needs again, is particularly well-suited to summer nocturnal temperature lower ground area, required because blending
Low-temperature cold water consumption relatively fewer, it prepares the number of units of the refrigeration cooling device of the specific form needed for low-temperature cold water also can phase
To less, reduce equipment cost, and there is not exchange loss in blending procedure, and ensure that entrance need to cool equipment
Recirculated cooling water even water temperature stable.
Claims (2)
1. a kind of air cooling recirculated cooling water dry type blends cooling system again, and cooling in need, to connect air cooling circulation cold for device external
But device, is connected to form loop by pipeline it is characterised in that described air cooling cooling back installation leads to needs cooling device
Output channel on be arranged in parallel air cooling refrigeration cooling system, air cooling refrigeration cooling system outlet be connected with output channel
Place is provided with hot and cold water mixing device.
2. air cooling recirculated cooling water dry type as claimed in claim 1 blends cooling system it is characterised in that described air-cooled again
Refrigeration cool-down system comprises at least one air cooling refrigeration heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620892462.3U CN205909726U (en) | 2016-08-17 | 2016-08-17 | Mixing of air cooling recirculated cooling water dry -type is cooling system again |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620892462.3U CN205909726U (en) | 2016-08-17 | 2016-08-17 | Mixing of air cooling recirculated cooling water dry -type is cooling system again |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205909726U true CN205909726U (en) | 2017-01-25 |
Family
ID=57801983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620892462.3U Active CN205909726U (en) | 2016-08-17 | 2016-08-17 | Mixing of air cooling recirculated cooling water dry -type is cooling system again |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205909726U (en) |
-
2016
- 2016-08-17 CN CN201620892462.3U patent/CN205909726U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |