CN108471066A - One kind being used for container-type current transformer closed cooling system - Google Patents
One kind being used for container-type current transformer closed cooling system Download PDFInfo
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- CN108471066A CN108471066A CN201810127697.7A CN201810127697A CN108471066A CN 108471066 A CN108471066 A CN 108471066A CN 201810127697 A CN201810127697 A CN 201810127697A CN 108471066 A CN108471066 A CN 108471066A
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- 238000001816 cooling Methods 0.000 title claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000004378 air conditioning Methods 0.000 claims description 27
- 239000002826 coolant Substances 0.000 claims description 27
- 230000008676 import Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 13
- 238000009423 ventilation Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 130
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention discloses a kind of for container-type current transformer closed cooling system, including current transformer, reversed return type air duct, air water cooling module, adiabatic enclosed cooler, pump group module and control system；Current transformer, reversed return type air duct and air water cooling module, which are set in container, forms gas circulation in container；Adiabatic enclosed cooler and pump group module are set to outside container, and the cold of natural environment is delivered to the air water cooling module in container by outer water cycle.Ensure that ventilation temperature is uniform in container and current transformer cooling capacity is consistent using reversed return type design for return airway；The wind turbine of adiabatic enclosed cooler, the water pump of pump group module use Frequency Conversion Design, and the valve of pump group module uses regulating valve, and is all controlled by control system, has saved energy consumption；Pump group module uses modularized design, reduces the site operation period.
Description
Technical field
The invention belongs to industrial cooling system technical fields, are related to wind-force and field of photovoltaic power generation, and in particular to Yi Zhongyong
In container-type current transformer closed cooling system.
Background technology
Use container-type rotary substation in photovoltaic and wind power generation field, container-type rotary substation collection transformer, rectifier,
DC cabinet is integrated in one, and modularization transport uses, and constructs without in-site installation, photovoltaic and wind power station application environment are a variety of more
Sample, is normally at that inland region is wide or coastal location, and freshwater resources are rare, and application environment is different, meeting heat dissipation ventilation
Under the premise of, container house needs good dust-proof, waterproof, etch-proof ability.The calorific value of transformer is larger and pyrotoxin
It concentrates, current transformer is made of multiple PCS cabinets modules, and each module is made of several small heat-generating units, and calorific value is big but divides
It dissipates.
The cooling technology of container rotary substation requires to need good dust-proof, waterproof, and the temperature of circulated air is complete in container
Meet heat-producing device cooling requirement year, and ventilation temperature is uniform；Fever needs to cool down container internal heat generation equipment throughout the year, power consumption
It is more lower better to measure water consumption；Container rotary substation is modularization, it is desirable that cooling system also answers modularization to transport and install；Container
Formula rotary substation requires to safeguard that simple, maintenance cost is relatively low.
Existing container-type rotary substation cooling technology mainly has several：
1, outside ambient air is fed directly to by air-introduced machine in container after filtering, is heated by heat-generating units
Discharge is outdoor afterwards, which carries out natural cooling using the cold of environment, and the power consumption of air-introduced machine is low, and use cost is low,
But when summer environment temperature is high, air themperature is higher in container, and minimum temperature is the dry bulb of surrounding air in container
Temperature, summer capacity are insufficient；Outside air is directly sucked in, it is contemplated that dust-proof demand needs frequent clean or more ventilates
Filter device avoids causing to block, and maintenance cost is higher, is suitable for air quality preferably region.
2, it is cooled down using industrial air-conditioning, outer machine, type of cooling cooling are installed in machine in installation in container, container side
Ability is sufficient, but industrial air-conditioning often uses compression-type refrigerating system, and compressor horsepower is relatively high, and power consumption is big；Standard chemical industry
Air-conditioner set air circulation is small, and cycle-index is few in container, and air hose channel is designed using simple-type off course formula, in container
Current transformer inlet air temperature height is uneven, is unfavorable for the cooling of rectifier.
Invention content
The present invention is insufficient, poor for applicability for wind turbine direct cooling technology summer capacity in existing cooling technology, dimension
Problem of high cost is protected, the limitation and industrial air-conditioning cooling technology power consumption that air is not suitable in different zones are big and cooling
The non-uniform problem of ability provides a kind of for container-type current transformer closed cooling system.
The purpose of the present invention can be realized by following technical proposals：One kind is cooled down for container-type current transformer enclosed
System, including current transformer, reversed return type air duct, air water cooling module, adiabatic enclosed cooler, pump group module and control system；It is described
Current transformer, reversed return type air duct and air water cooling module are set in container, multiple current transformers built in the container, each unsteady flow
Exhaust blower built in device, the reversed return type air duct includes the air-supply passage and return air channel by each current transformer, by each becoming
The total length of the air-supply passage and return air channel that flow device is consistent, and the air water cooling module includes that the first wind turbine and the first fin change
Hot device, the first wind turbine pump the gas in the return air channel of each current transformer, after passing the gas through the cooling of the first finned heat exchanger
Again in dispatch to the air-supply passage of each current transformer；The thermal insulation enclosed cooler and pump group module are set to outside container, institute
It includes the second wind turbine, the second finned heat exchanger, shell, air-inlet window and adiabatic humidiflcation device, the second wing to state adiabatic enclosed cooler
The cooling medium inlet of piece heat exchanger is connected by pipeline with the cooling media outlet of the first finned heat exchanger, and the second wind turbine is taken out
Surrounding air is sent, surrounding air is made to enter in shell from air-inlet window, passes through adiabatic humidiflcation device and the second finned heat exchanger successively
And to the cooling medium cooling in the second finned heat exchanger, the pump group module includes water pump and triple valve, the import of triple valve
It is connected with the cooling media outlet of the second finned heat exchanger by pipeline and water pump is set on the pipeline, two of triple valve goes out
Mouth respectively by the cooling medium inlet of the cooling medium inlet and the second finned heat exchanger of pipeline and the first finned heat exchanger and
Pipeline between the cooling media outlet of first finned heat exchanger is connected, and water pump is by the cooling medium in the second finned heat exchanger
It is delivered in the first finned heat exchanger, the cooling medium in the first finned heat exchanger is back to the second fin using pipeline overbottom pressure and changes
Hot device；Wherein, first wind turbine, the second wind turbine, water pump and triple valve are connect with control system respectively.
Further, the multiple current transformer is relatively symmetrically arranged to two rows of and often arranges current transformer along container length side
To arrangement.
Further, the air water cooling module further includes air-conditioning tank shell and plenum chamber, the top setting of air-conditioning tank shell
First wind turbine, is equipped with return air inlet above the first wind turbine, and the side of air-conditioning tank shell is equipped with air outlet, along level in air-conditioning tank shell
Direction is set up in parallel plenum chamber and the first finned heat exchanger, and plenum chamber is corresponding up and down with the first wind turbine, and plenum chamber is by the first wind turbine
Wind direction by switching to level from top to bottom, the first finned heat exchanger is between plenum chamber and air outlet.
Further, the second wind turbine, the correspondence second in shell is arranged in the top of the shell of the adiabatic enclosed cooler
Setting the second finned heat exchanger in place's below wind turbine, equipped with adiabatic humidiflcation area below the second finned heat exchanger, adiabatic humidiflcation area be by
Polylith air-inlet window surrounds, and adiabatic humidiflcation device is set in adiabatic humidiflcation area.Further, second finned heat exchanger
Quantity is two, and two the second finned heat exchangers are relatively symmetrically obliquely installed and whole side arrangement is in the shape of the letter V, the number of air-inlet window
Amount is three pieces and three pieces of air-inlet window entirety sides arrangements are in up-side down triangle.
Further, the pump group module further includes filter, and filter is set to import and the first fin of triple valve
On pipeline between the cooling medium inlet of heat exchanger.
Further, the control system, which is also connected with control, temperature sensor, pressure sensor and solenoid valve；Temperature passes
Sensor is set to the entrance of air-supply passage, and the triple valve is three-way control valve, and three-way control valve is according to temperature sensing
The high high adjustment aperture of temperature of device；Pressure sensor is set at the cooling medium inlet of the second finned heat exchanger, and described
Water pump is variable frequency pump, and the running frequency of variable frequency pump is according to the Signal Regulation of pressure sensor；The adiabatic humidiflcation device connects
It is connected to water supply pipe, solenoid valve is set on water supply pipe.Further, the pump group module further includes expansion drum, and expansion drum is set
Be placed on the pipeline between the import of triple valve and the cooling medium inlet of the first finned heat exchanger, water supply pipe branch out pipeline with
Expansion drum is connected.Still further, second wind turbine is frequency conversion fan.
Further, the pump group module, adiabatic enclosed cooler are connected with each interface of container using hose.
Beneficial effects of the present invention：1, the cold of natural environment is delivered to the air water cooling mould in container by outer water cycle
Cold is uniformly delivered to each rectifier from air water cooling device and cooled down by block, internal wind cycle, and outside air does not enter
Internal container, the equipment such as protection internal rectifier are isolated from the environment, and substantially reduce the maintenance of equipment main equipment and cooling equipment
Frequency；
2, the operation power consumption of closed cooling system is mainly that air water cooling module wind turbine, frequency conversion water circulating pump and adiabatic enclosed are cold
But the power consumption of device wind turbine makes full use of the cold of natural environment, power consumption compared with compression-type refrigerating system in the prior art
It substantially reduces；
3, the air quantity of air water cooling module is larger compared with standardizing industrial air-conditioning fan delivery, reduces rate of ventilation, reduces
It is designed using reversed return type for the return air temperature difference, and for return airway, each air duct windage is consistent, it is ensured that ventilation temperature is equal in container
Even and current transformer cooling capacity is consistent；
4, adiabatic enclosed cooler uses frequency conversion fan air inducing, summer to cool down surrounding air adiabatic humidiflcation, reduces air
Temperature can reduce heat exchanger surface temperature compared with air cooler in the prior art, meet cooling requirement to wet-bulb temperature, with
Cooling tower in the prior art is compared, and water consumption substantially reduces, bacteria breed, water pollution issue in outer circulation water pond, significantly
Operation and maintenance are reduced, therefore wind pushing temperature in container can be met using adiabatic enclosed cooler throughout the year and be less than design temperature,
And the season in addition to summer sweltering heat weather uses dry calibration, reduces the running frequency of frequency conversion fan, greatlys save energy consumption；
5, pump group module variable frequency pump designs, and provides closed water system circulation power, it can be achieved that pressure-stabilizing water supply, energy-saving and frequency-variable
Water pump, modularization making and transport are run, the period of site operation is reduced；
6, the ventilation temperature in centralized control system control container is less than design temperature, by adjusting pump group frequency conversion water
The frequency conversion fan and adiabatic humidiflcation solenoid valve of pump, three-way control valve, adiabatic enclosed cooler, it is ensured that ventilation temperature is less than design temperature
Degree, and the cooling capacity of natural environment is utmostly utilized, the running frequency of water pump and wind turbine is reduced, realizes energy saving of systemization fortune
Row.
Description of the drawings
Fig. 1 is the schematic diagram of closed cooling system of the present invention.
Fig. 2 is equipment in container horizontal layout schematic diagram.
Fig. 3 is Section A-A schematic diagram in Fig. 2.
Fig. 4 is section B-B schematic diagram in Fig. 2.
Fig. 5 is C-C schematic cross-sections in Fig. 2.
Fig. 6 is the structural schematic diagram of adiabatic enclosed cooler.
Fig. 7 is the side view inside adiabatic enclosed cooler.
Fig. 8 is the structural schematic diagram of pump group module.
The structural schematic diagram of Fig. 9 systems in order to control.
Figure 10 is the structure schematic diagram in reversed return type air duct.
Figure 11 is the structure schematic diagram in off course formula air duct.
Part numbers are as follows in figure：
1 current transformer；
2 reversed return type air ducts, 201 air-supply passages, 202 first air return sections, 203 second air return sections, 204 third air return sections, 205
4th air return section, 206 the 5th air return sections；
3 air water cooling modules, 301 return air inlets, 302 first wind turbines, 303 terminal boxs, 304 plenum chambers, 305 maintenance doors, 306
Air-conditioning tank shell, 307 first finned heat exchangers, 308 temperature sensors, 309 air outlets；
4 adiabatic enclosed coolers, 401 second wind turbines, 402 second finned heat exchangers, 403 holders, 404 pressure sensors,
405 air-inlet windows, 406 solenoid valves, 407 adiabatic humidiflcation devices；
5 pump group modules, 501 water pumps, 502 filters, 503 pipe fittings, 504 triple valves, 505 expansion drums, 506 pedestals；
6 control systems；
7 hoses；
8 water supply pipes.
Specific implementation mode
Below in conjunction with the attached drawing specific implementation mode that the present invention will be described in detail, those skilled in the art is made to become apparent from geography
How solution puts into practice the present invention.Although describing the present invention in conjunction with its preferred embodiment, these embodiments are
It illustrates, rather than limits the scope of the invention.
Referring to Fig. 1, one kind being used for container-type current transformer closed cooling system, including current transformer 1, reversed return type air duct 2, sky
Water cooling module 3, adiabatic enclosed cooler 4, pump group module 5 and control system 6.The current transformer 1, reversed return type air duct 2 and empty water
Chill block 3 is set in container；Multiple current transformers 1 built in the container, exhaust blower built in each current transformer 1 are described same
Formula air duct 2 includes the air-supply passage 201 and return air channel by each current transformer 1, by the air-supply passage of each current transformer 1
201 is consistent with the total length of return air channel, and the air water cooling module 3 includes the first wind turbine 302 and the first finned heat exchanger
307, the first wind turbine 302 pumps the gas in the return air channel of each current transformer 1, passes the gas through the first finned heat exchanger 307
After cooling again in dispatch to the air-supply passage 201 of each current transformer 1, the interior cycle of closed cooling system is thus constituted.It is described exhausted
Hot enclosed cooler 4 and pump group module 5 are set to outside container；The thermal insulation enclosed cooler 4 includes the second wind turbine 401, the
Two finned heat exchangers 402, shell, air-inlet window 405 and adiabatic humidiflcation device 407, the cooling medium of the second finned heat exchanger 402 into
Mouth is connected by pipeline with the cooling media outlet of the first finned heat exchanger 307, and the second wind turbine 401 pumps surrounding air, makes
Surrounding air enters from air-inlet window 405 in shell, right by adiabatic humidiflcation device 407 and the second finned heat exchanger 402 successively
Cooling medium cooling in second finned heat exchanger 402, the pump group module 5 include water pump 501 and triple valve 504, triple valve
504 import is connected with the cooling media outlet of the second finned heat exchanger 402 by pipeline and water pump is arranged on the pipeline
501, two outlets of triple valve 504 pass through the cooling medium inlet and the second wing of pipeline and the first finned heat exchanger 307 respectively
Pipeline between the cooling medium inlet of piece heat exchanger 402 and the cooling media outlet of the first finned heat exchanger 307 is connected, water
Cooling medium in second finned heat exchanger 402 is delivered in the first finned heat exchanger 307 by pump 501, the first finned heat exchanger
Cooling medium in 307 heats up after cooling down to internal container gas, and the second finned heat exchanger is back to using pipeline overbottom pressure
402, thus constitute the outer circulation of closed cooling system.
In the specific implementation, in container current transformer 1 construction：Referring to Fig. 2, the relatively symmetrically cloth of the multiple current transformer 1
It is set to two rows of and often row's current transformer 1 is arranged along container length direction.
The construction in reversed return type air duct 2：Referring to Fig. 2 to Fig. 5, often arranges current transformer 1 and correspond to an air-supply passage 201 and one
Return air channel, often arranges the air-supply passage 201 of current transformer 1 and return air channel is respectively the air-supply of each current transformer 1 of place row and returns
Wind, the air-supply passages 201 of two rows of current transformers 1 are the return air channel of current transformer 1 often to be arranged with a part since current transformer 1 successively
It is divided into the first air return section 202, the second air return section 203, third air return section 204, the 4th air return section 205 and the 5th air return section 206；The
One air return section 202 is bonded container length direction side wall and moves towards to be arranged along container height direction, gas in the first air return section 202
Body flow direction is referring to the arrow upward direction into arrow upward direction in, Fig. 3 and Fig. 4 outward of wind direction in Fig. 2；Second air return section
203 fitting container length directions side wall sum aggregates vanning top surface, and move towards setting, the second return air along container length direction
Section 203 in gas flow referring to wind direction in arrow left direction in arrow left direction, Fig. 3 in Fig. 2 and Fig. 4 outward to；The
Three air return sections 204 are bonded container top surface and container width direction side wall, since two rows of current transformers 1 are symmetrical structure so that
The third air return section 204 of two rows of current transformers 1 arranges that gas flow is referring to figure in the third air return section 204 of two rows of current transformers 1 in opposite directions
Two arrow directions of top side horizontally towards each other, two rows of current transformers in the leftmost side vertical opposite two arrow directions and Fig. 4 in 2
Gas phase is collected in 1 third air return section 204；4th air return section 205 of two rows of current transformers 1 is with a part, the 4th air return section
205 are bonded container top surfaces and move towards setting along container length direction, and the 4th air return section 205 is between two rows of current transformers 1
Passageway, come together in the gas flow in the 4th air return section 205 referring to wind direction in arrow right direction, Fig. 4 in Fig. 2 inwardly side
To with arrow right direction in Fig. 5；5th return air end of two rows of current transformers 1 is also with a part, and the 5th air return section 206 is along packaging
Case height moves towards setting and the return air inlet 301 for connecting the first wind turbine 302, and gas flow is referring to figure in the 5th air return section 206
In 4 arrow in downward direction with arrow in Fig. 5 in downward direction.Moreover, often the first air return section 202 of row's 1 return air channel of current transformer, the
Two air return sections 203, third air return section 204, the 4th air return section 205 and the 5th air return section 206 are respectively equipped with and prevent and air-supply passage
201 alter the partition board of wind, and the partition board in Fig. 2 to Fig. 4 is drawn using overstriking lines.
The construction of air water cooling module 3：Referring to Fig. 5, it includes the first wind turbine 302 and the first fin that the air water cooling module 3, which is removed,
Further include air-conditioning tank shell 306 and plenum chamber 304 outside heat exchanger 307, the first wind turbine is arranged in the top of air-conditioning tank shell 306
302, the first wind turbine 302 is equipped with return air inlet 301 above, is used for return air channel return air, and the side of air-conditioning tank shell 306 is equipped with outlet air
Mouth 309 is blown for air-supply passage 201, and plenum chamber 304 and the first wing are set up in parallel in the horizontal direction in air-conditioning tank shell 306
Piece heat exchanger 307, plenum chamber 304 is corresponding with the first about 302 wind turbine, and plenum chamber 304 is by the wind direction of the first wind turbine 302 by from upper
Switch to level under, the first finned heat exchanger 307 is between plenum chamber 304 and air outlet 309.When packaging the temperature inside the box is higher
Return air when entering air water cooling module 3, enter return air inlet 301 before this, enter following plenum chamber after the supercharging of the first wind turbine 302
In 304, wind direction is being switched to level by plenum chamber 304 from top to bottom, and uniform wind speed and improve static pressure and can air feed obtain more
Far, the higher wind of temperature is conveyed by air outlet 309 in air-supply passage 201 after the cooling of the first finned heat exchanger 307.
More specifically, first wind turbine 302 is turbofan；The air water cooling module 3 further includes terminal box 303, end
Sub- case 303 is set in air-conditioning tank shell 306, is used for circuit switching；The air-conditioning tank shell 306 is equipped with maintenance door 305,
Convenient for being overhauled to the component in air-conditioning tank shell 306.
The construction of adiabatic enclosed cooler 4：Referring to Fig. 6 and Fig. 7, set at the top of the shell of the thermal insulation enclosed cooler 4
The second wind turbine 401 is set, the second finned heat exchanger 402, the heat exchange of the second fin are set at 401 lower section of the second wind turbine of correspondence in shell
402 lower section of device is equipped with adiabatic humidiflcation area, and adiabatic humidiflcation area is surrounded by polylith air-inlet window 405, and adiabatic humidiflcation device 407 is arranged
In in adiabatic humidiflcation area.
More specifically, the quantity of second finned heat exchanger 402 is two, two the second finned heat exchangers 402 are opposite
Ground is claimed to be obliquely installed and the arrangement of whole side is in the shape of the letter V, the quantity of air-inlet window 405 is three pieces and three pieces of 405 unitary sides of air-inlet window
Face arrangement is in up-side down triangle, and shell supports certain altitude, the second finned heat exchanger 402, the inverted triangle of V-shaped by holder 403
The adiabatic humidiflcation area of shape and the shell with certain altitude are conducive to pumping for surrounding air, and the flow direction of surrounding air is referring to Fig. 7
In direction shown in line with the arrow.
The adiabatic humidiflcation device 407 of the thermal insulation enclosed cooler 4 is connected with water supply pipe 8, is given for adiabatic humidiflcation device 407
Water, water supply pipe 8 are equipped with solenoid valve 406, and solenoid valve 406 is so that adiabatic enclosed cooler 4 divides according to the variation of environment temperature
For two kinds of operational modes, when summer environment temperature is higher, solenoid valve 406 is opened, and adiabatic humidiflcation device 407 works, and environment is empty
Gas reduces temperature after 407 adiabatic humidiflcation of adiabatic humidiflcation device of adiabatic enclosed cooler 4, it is ensured that summer capacity；Its
His season environment temperature is low, and solenoid valve 406 is closed, and closes adiabatic humidiflcation device 407, is dry air cooled heat exchanger, second under the pattern
Wind turbine 401 uses fall-back, ensures effluent temperature constancy, reduces the operation power of the second wind turbine 401, substantially reduces cooler
Energy consumption.
The construction of pump group module 5：Referring to Fig. 8, the pump group module 5 is also wrapped in addition to including water pump 501 and triple valve 504
Include the filter 502 for impurity screening, filter 502 is set to import and the first finned heat exchanger 307 of triple valve 504
On pipeline between cooling medium inlet.More specifically, the filter 502 is basket filter.
In the specific implementation, the air water cooling module 3 further includes temperature sensor 308, and temperature sensor 308 is set to
At air outlet 309, the entrance of air-supply passage 201, the triple valve 504 are three-way control valve, three-way control valve root in other words
According to the high high adjustment aperture of the temperature of temperature sensor 308, temperature is higher, and the aperture of three-way control valve is smaller, three-way control valve
Aperture is 30%~90%, and when the aperture of three-way control valve is minimum 30%, the temperature that temperature sensor 308 detects is still below
Set temperature then reduces the frequency of the second wind turbine 401, to reduce the operation energy consumption of adiabatic enclosed cooler 4；Second wind turbine
401 be frequency conversion fan, and adiabatic enclosed cooler 4 further includes pressure sensor 404, and pressure sensor 404 is set to the second fin
At the cooling medium inlet of heat exchanger 402, the water pump 501 is variable frequency pump, and the running frequency of variable frequency pump is passed according to pressure
The Signal Regulation of sensor 404, operating pressure reduce variable frequency pump running frequency higher than setting pressure, less than setting pressure, increase
Variable frequency pump running frequency.Wherein, referring to Fig. 9, first wind turbine 302, temperature sensor 308, the second wind turbine 401, pressure
Sensor 404, solenoid valve 406, water pump 501 and triple valve 504 are respectively connected to control system 6, and are controlled by control system 6.
It expands with heat and contract with cold caused stress to stablize the suction pressure of variable frequency pump, absorbing cooling medium in closed system, pump
Group module 5 further includes expansion drum 505, expansion drum 505 be set to triple valve 504 import and the first finned heat exchanger 307 it is cold
But on the pipeline between medium entrance, water supply pipe 8 branches out pipeline and is connected with expansion drum 505, is 505 water supply of expansion drum.Pump group
Each component of module 5 can be used pipe fitting 503 and be connected and be fixed on a pedestal 506, so constitute modularized design, pump group mould
Block 5 can realize pressure-stabilizing water supply, energy-saving and frequency-variable operation water pump 501, modularization making and transport, reduce the period of site operation.Pump
Group module 5, adiabatic enclosed cooler 4 and each interface of container are connected using heat-preserving hose 7, are constructed, are adopted without field pipes
Swell-shrinking stress caused by hose 7 is opened, stopped due to water pump 501 can be absorbed with expansion drum 505.
First finned heat exchanger 307 and the second finned heat exchanger 402 are in actual use using with splendid heat transfer characteristic
Copper pipe aluminum fin heat exchanger.
Existing cooling technology cools down the current transformer 1 of internal container using single flow air or industrial air-conditioning, but
It is to exist to be respectively present frequent maintenance, influence 1 service life of current transformer and the non-uniform drawback of high energy consumption, ventilation temperature, it is of the invention
The adiabatic enclosed cooler 4 that closed cooling system uses for primary side cool down equipment, using external circulating system by cold quantity transmission extremely
Interior cycle cools down equipment air water cooling module 3 by secondary side and cools down interior cycle wind-warm syndrome.The air feed air of current transformer 1 in container
35~40 DEG C of temperature requirement carries out natural cooling according to traditional air cooler, the dry-bulb temperature of environment under summer sweltering heat weather
More than 35~40 DEG C, the leaving water temperature of air cooler is more than 35~40 DEG C, and the cooling capacity of air cooler is inadequate, is opened when summer adiabatic
The adiabatic humidiflcation function of enclosed cooler 4 carries out adiabatic humidiflcation to air inlet air, humidifies to wet-bulb temperature, in Shanghai, can
Air inlet air is cooled to 28.3 DEG C respectively, cooling water outlet temperature can be down to 32 DEG C, design 5 DEG C of air water cooling heat transfer temperature difference, because
This can ensure that ventilation temperature is less than 37 DEG C, meet summer sizzler air cooling demand, ventilation temperature is lower, needs to design cold
But equipment heat exchanger is bigger.
Referring to Figure 10 and Figure 11, internal container Duct design of the invention flows through each current transformer at reversed return type air duct 2
1 air duct length is consistent, therefore windage is consistent, and the cooling air quantity of each current transformer 1 is identical, it can be ensured that and intake adit temperature is uniform,
And off course formula Duct design is used, distance is blown, and close 1 air flow rate of current transformer is big, and temperature is relatively low, the unsteady flow far from air outlet
1 air flow rate of device is small, and temperature is relatively high, can there is a situation where that 1 temperature of current transformer of separate air outlet is excessively high.
The prior art is cooled down using industrial air-conditioning, and by taking rated thermal amount 126kw as an example, the air quantity of industrial standard air-conditioning is
10000m3/ h, and in order to cope with a fairly large number of current transformer 1 ensure wind pushing temperature deviation be less than 1 DEG C, design air flow should improve to
30000m3/ h is non-standard de-sign for industrial air-conditioning, and the air quantity of air water cooling module 3 of the invention can be set according to demand
Meter meets.For the cooling system of the present invention compared with industrial air-conditioning in the prior art cools down, energy conservation characteristic is apparent, and first, comparison
The compression-type refrigerating system of air-conditioning, compressor-free, air water cooling power of fan of the invention, 501 power of water pump, adiabatic enclosed cooling
The specified summation power of device 4 is 11kw, is far below the compressor horsepower 54kw of industrial air-conditioning；Second, the present invention uses energy saving control
System 6 processed, configuration variable frequency pump, frequency conversion fan, when operating in non-summer sweltering heat operating mode, running frequency declines, it is ensured that water outlet
Temperature is constant, makes full use of the cold of natural environment.Find out that the system has a clear superiority from performance driving economy comparison.It is specific right
Than referring to following table 1.
Table 1
It should be pointed out that for the present invention through absolutely proving, can also have the embodiment of a variety of transformation and remodeling,
It is not limited to the specific embodiment of the above embodiment.Above-described embodiment as just the present invention explanation, rather than to this
The limitation of invention.In short, protection scope of the present invention should include that those are apparent to those skilled in the art
Transformation or replacement and remodeling.
Claims (10)
1. one kind being used for container-type current transformer closed cooling system, which is characterized in that including current transformer, reversed return type air duct, sky
Water cooling module, adiabatic enclosed cooler, pump group module and control system；
The current transformer, reversed return type air duct and air water cooling module are set in container, multiple current transformers built in the container,
Exhaust blower built in each current transformer, the reversed return type air duct includes the air-supply passage and return air channel by each current transformer, warp
The total length of the air-supply passage and return air channel of crossing each current transformer is consistent, and the air water cooling module includes the first wind turbine and the
One finned heat exchanger, the first wind turbine pump the gas in the return air channel of each current transformer, pass the gas through the heat exchange of the first fin
After device cooling again in dispatch to the air-supply passage of each current transformer；
The thermal insulation enclosed cooler and pump group module are set to outside container, and the thermal insulation enclosed cooler includes the second wind
Machine, the second finned heat exchanger, shell, air-inlet window and adiabatic humidiflcation device, the cooling medium inlet of the second finned heat exchanger pass through
Pipeline is connected with the cooling media outlet of the first finned heat exchanger, and the second wind turbine pumps surrounding air, make surrounding air from into
Air regulator enters in shell, successively by adiabatic humidiflcation device and the second finned heat exchanger to the cooling in the second finned heat exchanger
Medium cooling, the pump group module include water pump and triple valve, and the import of triple valve passes through pipeline and the second finned heat exchanger
Cooling media outlet is connected and water pump is arranged on the pipeline, and two outlets of triple valve are changed by pipeline and the first fin respectively
The cooling medium of the cooling medium inlet and the first finned heat exchanger of the cooling medium inlet of hot device and the second finned heat exchanger goes out
Pipeline between mouthful is connected, and the cooling medium in the second finned heat exchanger is delivered in the first finned heat exchanger by water pump, the
Cooling medium in one finned heat exchanger is back to the second finned heat exchanger using pipeline overbottom pressure；
Wherein, first wind turbine, the second wind turbine, water pump and triple valve are connect with control system respectively.
2. according to claim 1 be used for container-type current transformer closed cooling system, which is characterized in that the multiple change
Stream device is relatively symmetrically arranged to two rows of and often row's current transformer is arranged along container length direction.
3. according to claim 1 be used for container-type current transformer closed cooling system, which is characterized in that the air water cooling
Module further includes air-conditioning tank shell and plenum chamber, and the top of air-conditioning tank shell is arranged the first wind turbine, is equipped with back above the first wind turbine
The side in air port, air-conditioning tank shell is equipped with air outlet, and plenum chamber and the first wing are set up in parallel in the horizontal direction in air-conditioning tank shell
Piece heat exchanger, plenum chamber and the first wind turbine are corresponding up and down, plenum chamber by the wind direction of the first wind turbine by switching to level from top to bottom, the
One finned heat exchanger is between plenum chamber and air outlet.
4. according to claim 1 be used for container-type current transformer closed cooling system, which is characterized in that the thermal insulation is closed
The second wind turbine is arranged in the top of the shell of formula cooler, and the second fin of setting exchanges heat at the second wind turbine of correspondence lower section in shell
Device, the second finned heat exchanger lower section are equipped with adiabatic humidiflcation area, and adiabatic humidiflcation area is surrounded by polylith air-inlet window, adiabatic humidiflcation device
It is set in adiabatic humidiflcation area.
5. according to claim 4 be used for container-type current transformer closed cooling system, which is characterized in that second wing
The quantity of piece heat exchanger is two, and two the second finned heat exchangers are relatively symmetrically obliquely installed and whole side arrangement is in the shape of the letter V,
The quantity of air-inlet window is three pieces and three pieces of air-inlet window entirety side arrangements are in up-side down triangle.
6. according to claim 1 be used for container-type current transformer closed cooling system, which is characterized in that the pump group mould
Block further includes filter, and filter is set to the pipe between the import of triple valve and the cooling medium inlet of the first finned heat exchanger
On the road.
7. according to claim 1 be used for container-type current transformer closed cooling system, which is characterized in that the control system
System, which is also connected with control, temperature sensor, pressure sensor and solenoid valve；Temperature sensor is set to the entrance of air-supply passage,
And the triple valve is three-way control valve, and three-way control valve is according to the high high adjustment aperture of temperature of temperature sensor；Pressure passes
Sensor is set at the cooling medium inlet of the second finned heat exchanger, and the water pump is variable frequency pump, the fortune of variable frequency pump
Line frequency is according to the Signal Regulation of pressure sensor；The adiabatic humidiflcation device is connected with water supply pipe, and solenoid valve is set to moisturizing
Guan Shang.
8. according to claim 7 be used for container-type current transformer closed cooling system, which is characterized in that the pump group mould
Block further includes expansion drum, and expansion drum is set to the pipe between the import of triple valve and the cooling medium inlet of the first finned heat exchanger
On the road, water supply pipe branches out pipeline and is connected with expansion drum.
9. according to claim 8 be used for container-type current transformer closed cooling system, which is characterized in that second wind
Machine is frequency conversion fan.
10. according to any one of claims 1 to 9 be used for container-type current transformer closed cooling system, which is characterized in that institute
State pump group module, adiabatic enclosed cooler is connected with each interface of container using hose.
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| CN201810127697.7A CN108471066B (en) | 2018-02-07 | 2018-02-07 | Closed cooling system for container type converter |
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| CN201810127697.7A CN108471066B (en) | 2018-02-07 | 2018-02-07 | Closed cooling system for container type converter |
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| CN108471066B (en) | 2024-02-27 |
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