CN206790337U - A kind of novel high-pressure frequency cooling system - Google Patents
A kind of novel high-pressure frequency cooling system Download PDFInfo
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- CN206790337U CN206790337U CN201720423042.5U CN201720423042U CN206790337U CN 206790337 U CN206790337 U CN 206790337U CN 201720423042 U CN201720423042 U CN 201720423042U CN 206790337 U CN206790337 U CN 206790337U
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Abstract
Power equipment technical field of heat dissipation is the utility model is related to, specifically a kind of novel high-pressure frequency cooling system, it is characterised in that：Described water circulation system includes circulation cooling system of demineralized water, a Secondary cooling water system；A described circulation cooling system of demineralized water includes boiler feed water system, sweet-water tank, water circulating pump；Described Secondary cooling water system uses on-site subsidiary engine cooling water system, the recirculated water that described subsidiary engine cooling water system is formed using the water outlet of cooling tower and/or industry water.Compared with prior art, water cooling equipment sound is very small for the utility model, and equipment operating environment is good；Frequency converter is not limited by a space；System temperature can be down to below room temperature, not limited by room temperature；Water treatment facilities need not be additionally separately provided again；The DCS control systems of former power plant are included in the control of water-cooling system, without additionally adding local PLC control system again, while are conveniently carried out according to the technological process of power plant being uniformly coordinated control.
Description
Technical field
Power equipment technical field of heat dissipation is the utility model is related to, specifically a kind of novel high-pressure frequency radiating system
System.
Background technology
In many factors for influenceing high voltage converter reliability, radiating is vital, large power semiconductor device work
Caused heat when making, the rise of device temperature will be caused, if in time heat is taken away without appropriate cooling measure, just
Device temperature may be caused to exceed the maximum junction temperature that device is allowed, so as to cause the deterioration of device performance or even damage.So
In operation, appropriate radiating mode is selected, and is reasonably designed, can effectively extend device service life, is to improve to become
One of indispensable important step of frequency device reliability.
The radiating mode of high voltage converter mainly in a manner of forced air cooling, air water cooling, three kinds of water cooling based on.
The radiating mode of domestic high voltage converter is using forced air cooling as main flow.As domestic frequency converter technology continued in recent years
Development, the continuous improvement of frequency inverter capacity, forced air cooling radiating by radiator area, environment temperature, frequency converter use environment,
Many-sided cause influence such as blower fan volume and noise, the cooling requirements of big-power transducer can not be fully met.
Although air water cooling mode can utilize the subsidiary engine cooling industrial circulating water of power plant, essential upconverter is still strong
Urgent air-cooled, disadvantages mentioned above still has.
The mode of forced air cooling+air-conditioning uses more at present, although solving the problems, such as running environment, is unfavorable for saving
Can, while add the investment and later maintenance of air-conditioning part.The transducer power of power plant is big, and quantity is more, and arrangement more collects
In, this radiating mode effect is not highly desirable.
Utility model content
The purpose of this utility model overcome the deficiencies in the prior art, there is provided one kind can make full use of the existing water of power plant to follow
Loop system, efficient frequency converter cooling system, to improve radiating efficiency in actual applications, reduces cost.
To achieve the above object, design a kind of novel high-pressure frequency cooling system, including control system, be parallel with it is some
The water-cooling type transducer power cabinet of water-cooling unit, water circulation system；
The import of described some water-cooling units is respectively adopted unit cooling water inlet pipe and is connected in parallel in backwater main pipe, returns
The outlet of the import connection water circulation system of jellyfish pipe；The outlet of described water-cooling unit uses unit cooling water outlet pipe simultaneously
It is associated in main water outlet pipe, the import of the outlet connection water circulation system of main water outlet pipe,
It is characterized in that：
Described water circulation system includes circulation cooling system of demineralized water, a Secondary cooling water system；
A described circulation cooling system of demineralized water includes boiler feed water system, sweet-water tank, water circulating pump；
Described Secondary cooling water system uses on-site subsidiary engine cooling water system, and described subsidiary engine cooling water system uses
The recirculated water that the water outlet of cooling tower and/or industry water are formed；
The moisturizing import of the outlet connection sweet-water tank of the boiler feed water system, the backwater import connection of sweet-water tank
The outlet of main water outlet pipe, the water inlet of the delivery port connection water circulating pump of sweet-water tank, the delivery port connection of water circulating pump are closed circuit
The tube side water inlet of cooling water heat exchanger；The tube side delivery port of closed circuit cooling water heat exchanger connects back to the import of jellyfish pipe；
The first of three-way pipe leads to the industry water fetched from subsidiary engine cooling water system, the second of three-way pipe lead to connect it is closed circuit
The shell side water inlet of cooling water heat exchanger, one end of the shell side delivery port connection circulating water pipe of closed circuit cooling water heat exchanger,
The other end of circulating water pipe divides two-way, connects the threeway of three-way pipe all the way, and another way connects total mouth of a branched pipe, branched pipe
In return pipe outlet connection cooling tower water inlet, cooling tower delivery port connection branched pipe in outlet pipe import；
Also using another three-way pipe connection industry water row on the circulating water pipe of the shell side water outlet of closed circuit cooling water heat exchanger
Water pipe；
Closed circuit cooling hydrothermal exchange on pipeline between the backwater import of described sweet-water tank and main water outlet pipe, described
Recirculated water on pipeline between the tube side delivery port and backwater main pipe of device, between the other end of another three-way pipe and circulating water pipe
Electricity is respectively equipped with industry water drainpipe on the pipeline that Guan Shang, described three-way pipe the first~the threeway are connected, described
Magnet valve；
Also include temperature sensor；
Described control system uses DCS control systems；
The control terminal of described water circulating pump, the control terminal of described magnetic valve, the output end of temperature sensor connect respectively
Connect the corresponding signal end of DCS control systems.
Described sweet-water tank is provided with liquid level gauge, water quality sensor, the signal output part of described liquid level gauge, water quality sensing
The signal output part of device connects the corresponding signal end of DCS control systems respectively.
The bottom of described sweet-water tank is additionally provided with blow-off pipe, and described blow-off pipe is provided with electrically operated valve.
The corresponding signal end of the control terminal connection DSC control systems of described electrically operated valve.
Stainless steel tube is respectively adopted in described main water outlet pipe, backwater main pipe.
Described unit cools down water inlet pipe, heat resistant type rubber hose is respectively adopted in unit cooling water outlet pipe.
Described water circulating pump is provided with two, and one is used for work, and one standby.
The utility model compared with prior art, has following advantage：
1st, water cooling equipment sound is very small, and equipment operating environment is good；
2nd, water cooling method has excellent heat dispersion and higher reliability, and strong to environment-adapting ability；
3rd, frequency converter is not limited by a space, because the limitation of transmission range, and small volume is not present in distributing pipe line；
4th, system temperature can be down to below room temperature, not be limited by room temperature；
5th, the existing water treatment system of power plant is made full use of, it is not necessary to be additionally separately provided water treatment facilities again, some electricity
Factory, which is already equipped with, closes cool equipment, as long as picking out desalination water lines, so the system greatly reduces cost, with power plant process
Flow can be intact fusion；
6th, the DCS control systems of former power plant are included in the control of water-cooling system, and system is controlled without additionally adding local PLC again
System, while conveniently carried out according to the technological process of power plant being uniformly coordinated control.
Brief description of the drawings
Fig. 1 is connection block diagram of the present utility model.
Embodiment
The utility model is described further in conjunction with accompanying drawing.
Embodiment 1
Referring to Fig. 1, a kind of novel high-pressure frequency cooling system of the utility model, including control system, be parallel with it is some
The water-cooling type transducer power cabinet 5 of water-cooling unit 51, water circulation system；
The import of described some water-cooling units 51 is respectively adopted unit cooling water inlet pipe 522 and is connected in parallel on backwater main pipe
On 512, the outlet of the import connection water circulation system of backwater main pipe 512；The outlet of described water-cooling unit 51 is using single
First cooling water outlet pipe 521 is connected in parallel in main water outlet pipe 511, the import of the outlet connection water circulation system of main water outlet pipe 511, this
In by the way of in parallel, ensure uniform flow distribution,
It is characterized in that：
Described water circulation system includes circulation cooling system of demineralized water, a Secondary cooling water system；
A described circulation cooling system of demineralized water includes boiler feed water system 13, sweet-water tank 11, water circulating pump
12；
Described Secondary cooling water system uses the original subsidiary engine cooling water system of on-site, described subsidiary engine cooling water system
The recirculated water that system is formed using the water outlet of cooling tower and/or industry water；
The moisturizing import of the outlet connection sweet-water tank 11 of the boiler feed water system 13, the backwater of sweet-water tank 11
Import connects the outlet of main water outlet pipe 511, the water inlet of the delivery port connection water circulating pump 12 of sweet-water tank 11, water circulating pump
12 delivery port connects the tube side water inlet of closed circuit cooling water heat exchanger 6；The tube side delivery port of closed circuit cooling water heat exchanger 6
Connect back to the import of jellyfish pipe 512；
The first of three-way pipe 8 leads to the industry water fetched from subsidiary engine cooling water system, and the second of three-way pipe 8 leads to connect and close
The shell side water inlet of road cooling water heat exchanger 6, the shell side delivery port connection circulating water pipe 32 of closed circuit cooling water heat exchanger 6
One end, the other end of circulating water pipe 32 divide two-way, connect the threeway of three-way pipe 8 all the way, and another way connects a branched pipe 33
Total mouth, the water inlet of the outlet connection cooling tower 31 of the return pipe in branched pipe 33, the delivery port connection branched pipe of cooling tower 31
The import of outlet pipe in 33；Also used on the circulating water pipe 32 of the shell side water outlet of closed circuit cooling water heat exchanger 6
Another three-way pipe 9 connects industry water drainpipe 10；
Closed circuit cooling water on pipeline between the backwater import of described sweet-water tank 11 and main water outlet pipe 511, described
On pipeline between the tube side delivery port and backwater main pipe 512 of heat exchanger 6, another three-way pipe 9 it is another with circulating water pipe 32
On circulating water pipe 32 between end, on the pipeline that the first~the threeway of described three-way pipe 8 is connected, described industry water row
Magnetic valve is respectively equipped with water pipe 10；
Also include temperature sensor；
Described control system uses DCS control systems；The control terminal of described water circulating pump 12, described magnetic valve
Control terminal, the output end of temperature sensor connect the corresponding signal end of DCS control systems respectively.Allowed in the utility model
DCS control systems are generally provided with power plant, therefore the DCS that water circulating pump, magnetic valve directly can be brought into power plant is controlled
In system, without additionally adding PLC control system again, the technological process for being also convenient for power plant is uniformly coordinated control.
Secondary cooling water system is the subsidiary engine cooling water system being had by oneself in power plant in the utility model, including cooling tower water outlet
Both alternative cooling water sources with industry water：
Selecting the situation of cooling tower water outlet is：The ambient temperature that DCS control systems are returned according to temperature sensor feedback
When judging that temperature is too low, Secondary cooling water system is using the recirculated water of cooling tower discharge by a circulation cooling system of demineralized water
The heat of the demineralized water of output is after closed circuit cooling water heat exchanger 6 is taken away, and recirculated water is again successively through circulating water pipe 32, branched pipe
Return pipe in 33 is sent into cooling tower 31 to be returned again in circulation after cooling, and is pulled away the demineralized water after heat and is sent again
Enter backwater main pipe 512；
Selecting the situation of industry water is：When the temperature that DCS control systems are returned according to temperature sensor feedback is too high, directly adopt
With the industry water in subsidiary engine cooling water system through closed circuit cooling water heat exchanger 6 to being exported in a circulation cooling system of demineralized water
Demineralized water cooled down after, then discharged from industry water drainpipe 10, namely the industry water is without circulation.
Further, described sweet-water tank 11 is provided with liquid level gauge, water quality sensor, the signal output of described liquid level gauge
End, the signal output part of water quality sensor connect the corresponding signal end of DCS control systems respectively.Wherein liquid level gauge is easy in desalination
Alarmed when water level is too low and too high in water tank 11, and draining or moisturizing are carried out to sweet-water tank 11 in time；Water quality sensor
In sweet-water tank when deteriorating water quality, can be drained a part of desalination by DCS control systems control sweet-water tank 11
Water, while a part of demineralized water is supplemented by the Boiler water Feeding System system 13 in existing power plant, to ensure cooling water
Water quality requirement.
Further, the bottom of described sweet-water tank 11 is additionally provided with blow-off pipe, and described blow-off pipe is provided with motor-driven valve
Door 71.
Further, the corresponding signal end of the control terminal connection DSC control systems of described electrically operated valve 71, can pass through
DCS control systems periodically control a part of demineralized water for being unsatisfactory for water quality requirement of discharge.
Further, described main water outlet pipe 511, backwater main pipe 512 are respectively adopted stainless steel tube, in the utility model
Pipeline in loop uses stainless steel, prevents from penetrating into ion in pipeline is run, while Corrosion Protection is good.
Further, heat resistant type rubber is respectively adopted in described unit cooling water inlet pipe 522, unit cooling water outlet pipe 521
Flexible pipe, facilitate the access of pipeline, while good insulating.
Further, described water circulating pump 12 is provided with two, and one is used for work, and one standby, two water circulating pumps
Asynchronously run, and reciprocal interlocked control by DCS control systems, ensure that frequency converter radiates in water-cooling type transducer power cabinet 5
The continuous operation of circulation.
It should be noted that DCS control systems, can also literal translate as " scattered control system " or " distributed computer control system
System ".The fundamental design idea that it is disperseed using control, operation and management are concentrated, using the autonomous structure shape of multi-layer classification, cooperation
Formula.It is mainly characterized by its centralized management and decentralised control.It is all obtained in all trades and professions such as electric power, metallurgy, petrochemical industry at present
Extremely it is widely applied.DCS control systems are served only for related valve, the keying of water circulating pump, correlation in the utility model
The signal of sensor receives and simple numerical value judges, such as temperature judges, is not related to the improvement of the processing method of software class.
Claims (7)
1. a kind of novel high-pressure frequency cooling system, including control system, the water for being parallel with some water-cooling units (51)
Cold mould transducer power cabinet (5), water circulation system；
The import of described some water-cooling units (51) is respectively adopted unit cooling water inlet pipe (522) and is connected in parallel on backwater main pipe
(512) on, the outlet of the import connection water circulation system of backwater main pipe (512)；The outlet of described water-cooling unit (51)
It is connected in parallel on using unit cooling water outlet pipe (521) in main water outlet pipe (511), the outlet connection water circulation system of main water outlet pipe (511)
The import of system,
It is characterized in that：
Described water circulation system includes circulation cooling system of demineralized water, a Secondary cooling water system；
A described circulation cooling system of demineralized water includes boiler feed water system (13), sweet-water tank (11), water circulating pump
(12)；
Described Secondary cooling water system uses on-site subsidiary engine cooling water system, and described subsidiary engine cooling water system is using cooling
The recirculated water that the water outlet of tower and/or industry water are formed；
The moisturizing import of the outlet connection sweet-water tank (11) of the boiler feed water system (13), the backwater of sweet-water tank (11)
The outlet of import connection main water outlet pipe (511), the water inlet of the delivery port connection water circulating pump (12) of sweet-water tank (11), circulation
The delivery port of water pump (12) connects the tube side water inlet of closed circuit cooling water heat exchanger (6)；Closed circuit cooling water heat exchanger (6)
Tube side delivery port connects back to the import of jellyfish pipe (512)；
The first of three-way pipe (8) leads to the industry water fetched from subsidiary engine cooling water system, and the second of three-way pipe (8) leads to connect and close
The shell side water inlet of road cooling water heat exchanger (6), the shell side delivery port connection circulating water pipe of closed circuit cooling water heat exchanger (6)
(32) one end, the other end of circulating water pipe (32) divide two-way, connect the threeway of three-way pipe (8), another way connection one all the way
Total mouth of branched pipe (33), the water inlet of the outlet connection cooling tower (31) of the return pipe in branched pipe (33), cooling tower (31)
Delivery port connection branched pipe (33) in outlet pipe import；Close to the shell side delivery port of closed circuit cooling water heat exchanger (6)
Also using another three-way pipe (9) connection industry water drainpipe (10) on the circulating water pipe (32) at place；
On pipeline between the backwater import of described sweet-water tank (11) and main water outlet pipe (511), described closed circuit cooling water
On pipeline between the tube side delivery port and backwater main pipe (512) of heat exchanger (6), another three-way pipe (9) and circulating water pipe
(32) on the circulating water pipe (32) between the other end, on the pipeline that the first~the threeway of described three-way pipe (8) is connected,
Magnetic valve is respectively equipped with described industry water drainpipe (10)；
Also include temperature sensor；
Described control system uses DCS control systems；
Control terminal, the control terminal of described magnetic valve, the output end of temperature sensor of described water circulating pump (12) connect respectively
Connect the corresponding signal end of DCS control systems.
A kind of 2. novel high-pressure frequency cooling system as claimed in claim 1, it is characterised in that：Described sweet-water tank
(11) liquid level gauge, water quality sensor, the signal output part of described liquid level gauge, the signal output part difference of water quality sensor are provided with
Connect the corresponding signal end of DCS control systems.
A kind of 3. novel high-pressure frequency cooling system as claimed in claim 1, it is characterised in that：Described sweet-water tank
(11) bottom is additionally provided with blow-off pipe, and described blow-off pipe is provided with electrically operated valve (71).
A kind of 4. novel high-pressure frequency cooling system as claimed in claim 3, it is characterised in that：Described electrically operated valve
(71) the corresponding signal end of control terminal connection DSC control systems.
A kind of 5. novel high-pressure frequency cooling system as claimed in claim 1, it is characterised in that：Described main water outlet pipe
(511), stainless steel tube is respectively adopted in backwater main pipe (512).
A kind of 6. novel high-pressure frequency cooling system as claimed in claim 1, it is characterised in that：Described unit cool down into
Heat resistant type rubber hose is respectively adopted in water pipe (522), unit cooling water outlet pipe (521).
A kind of 7. novel high-pressure frequency cooling system as claimed in claim 1, it is characterised in that：Described water circulating pump
(12) two are provided with, one is used for work, and one standby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720423042.5U CN206790337U (en) | 2017-04-21 | 2017-04-21 | A kind of novel high-pressure frequency cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720423042.5U CN206790337U (en) | 2017-04-21 | 2017-04-21 | A kind of novel high-pressure frequency cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206790337U true CN206790337U (en) | 2017-12-22 |
Family
ID=60708603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720423042.5U Expired - Fee Related CN206790337U (en) | 2017-04-21 | 2017-04-21 | A kind of novel high-pressure frequency cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206790337U (en) |
-
2017
- 2017-04-21 CN CN201720423042.5U patent/CN206790337U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |