CN104319669B - A kind of transformer station with spray cooling device - Google Patents
A kind of transformer station with spray cooling device Download PDFInfo
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- CN104319669B CN104319669B CN201410598331.XA CN201410598331A CN104319669B CN 104319669 B CN104319669 B CN 104319669B CN 201410598331 A CN201410598331 A CN 201410598331A CN 104319669 B CN104319669 B CN 104319669B
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Abstract
The invention discloses a kind of transformer station with spray cooling device in power transmission and distribution field, including storing oil pit, being positioned at the cobblestone layer stored above oil pit, and it is positioned at the ground floor above cobblestone layer, and it is positioned at the main transformer on ground floor end face, the outer peripheral face of main transformer is provided with fin, this transformer station also includes a set of spray cooling device that fin carries out mist cooling, and this spray cooling device includes water source, compression pump, water-supply-pipe, spray equipment and pressure pump control apparatus；Spray equipment includes shower and the shower nozzle of level, shower is fixed with main transformer along the orientation of fin on main transformer in half eminence of main transformer, shower nozzle being axially arranged in order along shower, and each shower nozzle is just to one piece of fin on main transformer, sprays fin；Compression pump is provided with inlet opening and apopore, the connection water source, inlet opening of compression pump, and the first end of water-supply-pipe connects the apopore of compression pump, and the second end of water-supply-pipe connects shower.
Description
Technical field
The present invention relates to a kind of transformer station with spray cooling device in power transmission and distribution field.
Background technology
Main transformer, i.e. main transformer voltage device occupy very important status in transformer station, and whether main transformer can
Safe operation is directly connected to the safe operation of transformer station.Once main transformer breaks down, the most then cause main
Become switch trip, make bus dead electricity, lose load, make user power utilization be affected, to social production,
People's lives bring inconvenience.Heavy then explode, fire, threaten in transformer station personal security and
The safe operation of other equipment.
Due to iron core and the relation of winding, main transformer is in operation copper loss to be produced and iron loss, these two parts
Loss is completely converted into heat, makes iron core and heating in winding, insulation ag(e)ing, affects the use longevity of main transformer
Life, therefore controls the temperature of winding when main transformer runs and is to ensure that important that main transformer is safe, properly functioning
Business.Measuring main transformer upper strata oil temperature at present is to monitor the Main Means of main transformer winding temperature.At present on main transformer
The upper limit of layer oil temperature is between 80～85 DEG C, and the temperature rise of main transformer winding must not exceed 55 DEG C.
Summer temperature is high, and transforming plant main transformer is chronically at oepration at full load state, in addition transforming plant main transformer
Cause the decline of insulating properties because of aging, cause the upper strata oil temperature of transforming plant main transformer to often exceed 80
℃。
In order to ensure the safe operation of transforming plant main transformer, it is necessary to the upper strata oil temperature transformer station more than 80 DEG C
Main transformer carries out auxiliary temperature-reducing.The auxiliary temperature-reducing means that present stage is used mainly have: aerofoil fan cooling,
Artificial living water washing cooling, to open transformer chamber gate aeration-cooling etc..
The fin on effect most preferably artificial living water washing main transformer in three kinds of cooling means
Cooling method, main transformer temperature can be reduced to less than 80 DEG C rapidly by this mode, but this method
Consume the biggest manpower and materials, rinse each time and two staff need to be had to complete, and once stop
Rinse transforming plant main transformer temperature again can quickly over-limit condition, during summer peak meeting, rinse personnel one
As must stay in on-the-spot about 6 hours.In addition each living water washing water consumption about 3000L,
Water drawing electric pump power consumption 12kWh, the most economic and practical.Open the door aeration-cooling, although energy consumption low but
Being can only to reduce transforming plant main transformer temperature, cooling-down effect is poor very limitedly.And axial flow blower fall
Temp effect is general, and cooling power consumption is big.Aerofoil fan also exists noise problem when running simultaneously.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of with mist cooling dress
The transformer station put, it can be under ensureing the internal normothermic premise of main transformer of transformer station, when reducing cooling
By water and energy consumption, and the fin on main transformer can be prevented to be corroded.
A kind of technical scheme realizing above-mentioned purpose is: a kind of transformer station with spray cooling device,
Including storing oil pit, being positioned at the cobblestone layer above described storage oil pit, and it is positioned on described cobblestone layer
The ground floor of side, and it is positioned at the main transformer on described ground floor end face, the outer peripheral face of described main transformer sets
There is fin；
This transformer station also includes a set of spray cooling device that described fin carries out mist cooling, should
Spray cooling device includes water source, compression pump, water-supply-pipe, spray equipment and pressure pump control apparatus；
Described spray equipment includes shower and the shower nozzle of level, and described shower is the half of described main transformer
Eminence is fixed along the orientation of fin on described main transformer with described main transformer, and described shower nozzle is along institute
State axially being arranged in order of shower, and a piece on described main transformer is just dissipated by each described shower nozzle
Backing, sprays to described fin；
Described compression pump is provided with inlet opening and apopore, and the inlet opening of described compression pump connects described water
Source, the first end of described water-supply-pipe connects the apopore of described compression pump, the second of described water-supply-pipe
End connects described shower.
Further, described shower nozzle is one group with two, by group along described shower axially the most successively
Arrangement, often organizing described shower nozzle is by a shower nozzle sprayed described fin obliquely and one
The shower nozzle composition obliquely described fin sprayed.
Further, often organize in described shower nozzle, described obliquely described fin is sprayed
The expulsion pressure of shower nozzle is more than described injection pressure to the shower nozzle that described fin is sprayed obliquely
Power.
Further, described water-supply-pipe is divided into the underground section of below the ground floor being embedded in described transformer station,
And connect the ground epimere of described underground section and described shower.
Further, described pressure pump control apparatus includes temperature sensor, thermorelay
1KA, time control relay 2KA, the first button S01, the second button SC1, the 3rd button SO2,
Four button SC2, the first A.C. contactor KM1 and the second A.C. contactor KM2, described temperature controls
The coil of relay 1KA connects described temperature sensor；
What the normally opened contact of described thermorelay 1KA connected described compression pump automatically controls end,
The normally opened contact of described time control relay 2KA connects the time control end of described compression pump；Described first button
S01 and described second button SC1 is connected on Non-follow control end and the control of described temperature of described compression pump
Between the normally opened contact of relay 1KA, the normally opened contact of described first A.C. contactor KM1 is with described
Described first button S01 it is connected to after second button SC1 parallel connection；
The normally opened contact of described time control relay 2KA connects the time control end of described compression pump；Described 3rd
Button S02 and described 4th button SC2 is connected on the Non-follow control end of described compression pump and described time control
Between the normally opened contact of relay 2KA, the normally opened contact of described second A.C. contactor KM2 is with described
It is connected to described 3rd button S02 after 4th button SC2 parallel connection；
The another one normally opened contact of described thermorelay 1KA is additionally attached to described first exchange
Between the normally opened contact of catalyst KM1 and described second A.C. contactor KM2.
Further, described temperature sensor is also associated with high temperature alarm lamp HY.
Further, the first end of described shower connects the second end of described water-supply-pipe, described
The second end of shower is blocked by plug.
Further, described shower and described water-supply-pipe are rubber tube.
Further, all fixed by Plastic Bandage between each described shower nozzle and described shower.
Have employed a kind of transformer station with spray cooling device of the present invention, be provided with a set of in transformer station
Spray cooling device, water source that this spray cooling device includes being sequentially connected with, compression pump, water-supply-pipe,
Spray equipment；Described spray equipment includes shower and the shower nozzle of level, and described shower is described master
Half eminence become is fixed along the orientation of fin on described main transformer with described main transformer, described shower nozzle
Along being axially arranged in order of described shower, and each shower nozzle is just to a piece on described main transformer
Fin, the change with spray cooling device that compression pump is controlled by a pressure pump control apparatus
The technical scheme in power station.It has the technical effect that it can ensure that the internal main transformer of transformer station is normothermic
Under premise, water and energy consumption when reducing cooling, and the fin on main transformer can be prevented to be corroded.
Accompanying drawing explanation
Fig. 1 be the present invention a kind of transformer station with spray cooling device in the knot of spray cooling device
Structure schematic diagram.
Fig. 2 is the spray cooling device in a kind of transformer station with spray cooling device of the present invention
Upper spray equipment installation site schematic diagram.
Fig. 3 is the spray cooling device in a kind of transformer station with spray cooling device of the present invention
Upper water-supply-pipe scheme of installation.
Fig. 4 is the spray cooling device in a kind of transformer station with spray cooling device of the present invention
Upward pressure apparatus for controlling pump schematic diagram.
Detailed description of the invention
Referring to Fig. 1 to Fig. 4, the present inventor is in order to enable preferably technical side to the present invention
Case understands, below by specifically embodiment, and combines accompanying drawing and is described in detail:
Refer to Fig. 1, in a kind of transformer station with spray cooling device of the present invention, be provided with storage oil pit
61, store oil pit 61 and be arranged over cobblestone layer 62, cobblestone layer 62 is arranged above ground floor 63, main
Become 64 to be positioned on the end face of ground floor 63.Main transformer 64 is provided with fin 65, fin 65 around
The outer peripheral face of main transformer 64 is vertically arranged, and is arranged in order.
A kind of spray cooling device in the transformer station with spray cooling device of the present invention, described spray
Mist heat sink includes water source 1, compression pump 2, water-supply-pipe 3 and spray equipment 4, and compression pump control
Device processed.
Wherein compression pump 2 is provided with inlet opening 21, apopore 22 and pressure release osculum 23.Spray dress
Put 4 showers 41 including level and the shower nozzle 42 axially arranged along shower 41.Arrow in Fig. 1
Head direction is water flow direction in shower 41.
From factors such as the maximum stream flow of compression pump 2, maximum pressure, tap changer characteristic, and costs
Consider, the preferred BW-125b type compression pump of compression pump 2.
The inlet opening 21 of compression pump 2 connects water source 1, and water source 1 usually is from water.Water-supply-pipe 3
First end is connected to the apopore 22 of compression pump 2, and the second end of water-supply-pipe 3 connects shower
The first end of 41, the second end block head 43 of shower 41 blocks.
In order to, in the tour of transformer station's cycle, maintenance process, prevent water-supply-pipe 3 from being broken, thus shadow
Ring substation inspection, service work, therefore water-supply-pipe 3 be divided into the ground floor 63 being positioned at transformer station with
Underground section 31 between cobblestone layer 62, and connect underground section 31 and the ground epimere of shower 41
32, the underground section 31 of water-supply-pipe 3 arrives the underface of main transformer 64, then by vertical ground epimere 32
Upwards draw ground floor 63, connect the first end of shower 41.From repair demolition convenience, it is difficult to
Leakage, the ageing time of material, replacing construction, the complexity etc. of laying consider, water-supply-pipe
3 and shower 41 all select flexible pipe.Consideration in terms of pressure and high temperature resistant etc., water-supply-pipe 3 and spray
Shower pipe 41 the most preferably 605 rubber tube.
Shower 41 is in half eminence of the main transformer 64 of transformer station, with the fin 65 on main transformer 64 admittedly
Fixed.Accordingly, the shower nozzle 42 on shower 41 is one group with two, by group along shower 41
Be axially arranged in order, often group shower nozzle 42 just to one piece of fin 65 on main transformer 64.Main transformer 64
Every piece of fin 65 all dispelled the heat by the spraying of one group of shower nozzle 42.Often group shower nozzle 42 all by
One shower nozzle sprayed fin 65 obliquely 42 and one spray obliquely to fin 65
The shower nozzle 42 carrying out spraying forms, and is so easy to dispel the heat monoblock fin 65, and does not exists
Potential safety hazard.The most unilateral 8 of fin 65 quantity of main transformer 64, totally 16, both sides.For
Every sheet heat radiator joins 2 shower nozzles, then need 32 shower nozzles altogether.The atomization globule that shower nozzle 42 produces,
Can evaporate rapidly on fin 65, take away the heat on fin 65, reduce fin 65
Temperature, reaches mist cooling effect.The accumulation of steam will not be produced on fin 65, therefore simultaneously
Safety is high.In the present embodiment, combine bore and the spray angle of various model shower nozzle 42, excellent
Select DE504-101 type shower nozzle.Certainly water-supply-pipe 3 is also disposed in the body of wall of transformer station.
Shower nozzle 42 can produce certain vibration in spray process and cause its injection direction to occur some to become
Dynamic.Therefore select Plastic Bandage to be fixed with shower 41 by each shower nozzle 42, make the spray of shower nozzle 42
Penetrate direction and be no longer subjected to displacement change because of vibration.
Often in group shower nozzle 42, the expulsion pressure of the shower nozzle 42 obliquely fin 65 sprayed
More than the expulsion pressure of the shower nozzle 42 obliquely fin 65 sprayed, the so purpose of design
It is, prevents the water smoke not evaporated on fin 65 can land voluntarily due to the reason of gravity,
After causing this transformer station's internal spraying heat sink to run a period of time, ground floor 63 produces water mark,
Thus reduce the waste of water resource.The spray of the shower nozzle 42 the most obliquely fin 65 sprayed
Injection pressure is 8bar.The expulsion pressure of the shower nozzle 42 sprayed fin 65 obliquely is 4bar.
In the present invention, spray cooling device, also include pressure pump control apparatus, control compression pump 2
Open and close.
Described pressure pump control apparatus includes that temperature sensor (not shown), temperature control relay
Device 1KA, time control relay 2KA, the first button S01, the second button SC1, the 3rd button SO2,
4th button SC2, the first A.C. contactor KM1 and the second A.C. contactor KM2, temperature controls to continue
The coil of electrical equipment 1KA connects described temperature sensor.
What the normally opened contact of thermorelay 1KA connected compression pump 2 automatically controls end, and time control continues
The normally opened contact of electrical equipment 2KA connects the time control end of compression pump 2；First button S01 and the second button SC1
It is connected between the Non-follow control end of compression pump 2 and the normally opened contact of thermorelay 1KA, the
The normally opened contact of one A.C. contactor KM1 is connected between the first button S01 and the second button SC1；
The normally opened contact of time control relay 2KA connects the time control end of compression pump 2；3rd button S02 and
4th button SC2 is connected on Non-follow control end and the normally opened contact of time control relay 2KA of compression pump 2
Between, the normally opened contact of the second A.C. contactor KM2 is connected to the 3rd button S02 and the 4th button
Between SC2；
The normally opened contact of thermorelay 1KA is additionally attached to the first A.C. contactor KM1 and second
Between the normally opened contact of A.C. contactor KM2.
When the temperature stored in described temperature sensor detects transformer station in oil pit 61 is higher than 70 DEG C,
Thermorelay 1KA and time control relay 2KA opens, and triggers compression pump 2 and opens, makes spray
Device 4 is sprayed, and the effect of time control relay 2KA is to control compression pump 2 and spray equipment 4
Intermittent work, after making shower nozzle 42 that fin 65 is carried out 30s spraying, rests 30s, more right
Fin 65 carries out 30s spraying, circulates successively, until described temperature sensor detects transformer station
Temperature in interior storage oil pit 61 is less than 68 DEG C, and closing temperature controls relay 1KA and time control relay
2KA, shower nozzle 42 stops spraying fin 65.
The most described temperature sensor is also associated with a high temperature alarm lamp HY, when the storage oil in transformer station
When temperature in hole 61 is higher than 80 DEG C, high temperature alarm lamp HY flashes warning, works in notice transformer station
Personnel take measures, and so can reach fully to economize on water and energy-conservation purpose.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to
The bright present invention, and it is not used as limitation of the invention, as long as at the spirit of the present invention
In, change, the modification of embodiment described above all will be fallen in the range of claims of the present invention.
Claims (8)
1. with a transformer station for spray cooling device, including storing oil pit, being positioned at described storage oil pit
The cobblestone layer of top, and it is positioned at the ground floor above described cobblestone layer, and be positioned at describedly
Main transformer on surface layer end face, the outer peripheral face of described main transformer is provided with fin, it is characterised in that:
It also includes a set of spray cooling device that described fin carries out mist cooling, this spray drop
Temperature device includes water source, compression pump, water-supply-pipe, spray equipment and pressure pump control apparatus；
Described spray equipment includes shower and the shower nozzle of level, and described shower is the half of described main transformer
Eminence is fixed along the orientation of fin on described main transformer with described main transformer, and described shower nozzle is along institute
State axially being arranged in order of shower, and a piece on described main transformer is just dissipated by each described shower nozzle
Backing, sprays to described fin；
Described compression pump is provided with inlet opening and apopore, and the inlet opening of described compression pump connects described water
Source, the first end of described water-supply-pipe connects the apopore of described compression pump, the second of described water-supply-pipe
End connects described shower,
Described shower nozzle is one group with two, by group being axially arranged in order along described shower, often group
Described shower nozzle is the most right by a shower nozzle sprayed described fin obliquely and one
The shower nozzle that described fin carries out spraying forms.
A kind of transformer station with spray cooling device the most according to claim 1, its feature
It is: often organize in described shower nozzle, described injection to the shower nozzle that described fin is sprayed obliquely
Pressure is more than described expulsion pressure to the shower nozzle that described fin is sprayed obliquely.
A kind of transformer station with spray cooling device the most according to claim 1, its feature
It is: described water-supply-pipe is divided into the underground section of below the ground floor being embedded in described transformer station, and connects
Described underground section and the ground epimere of described shower.
Transformer station with spray cooling device the most according to claim 1, it is characterised in that:
Described pressure pump control apparatus includes temperature sensor, thermorelay 1KA, time control relay
2KA, the first button S01, the second button SC1, the 3rd button SO2, the 4th button SC2, first
A.C. contactor KM1 and the second A.C. contactor KM2, the coil of described thermorelay 1KA
Connect described temperature sensor；
What the normally opened contact of described thermorelay 1KA connected described compression pump automatically controls end,
The normally opened contact of described time control relay 2KA connects the time control end of described compression pump；Described first button
S01 and described second button SC1 is connected on Non-follow control end and the control of described temperature of described compression pump
Between the normally opened contact of relay 1KA, the normally opened contact of described first A.C. contactor KM1 is with described
Described first button S01 it is connected to after second button SC1 parallel connection；
The normally opened contact of described time control relay 2KA connects the time control end of described compression pump；Described 3rd
Button SO2 and described 4th button SC2 is connected on the Non-follow control end of described compression pump and described time control
Between the normally opened contact of relay 2KA, the normally opened contact of described second A.C. contactor KM2 is with described
It is connected to described 3rd button SO2 after 4th button SC2 parallel connection；
Another normally opened contact of described thermorelay 1KA is additionally attached to described first exchange and connects
Between the normally opened contact of tentaculum KM1 and described second A.C. contactor KM2.
A kind of transformer station with spray cooling device the most according to claim 4, its feature
It is: in described temperature sensor, be also associated with high temperature alarm lamp HY.
A kind of transformer station with spray cooling device the most according to claim 1, its feature
It is: the first end of described shower connects the second end of described water-supply-pipe, described shower
The second end is blocked by plug.
A kind of transformer station with spray cooling device the most according to claim 1, its feature
It is: described shower and described water-supply-pipe are rubber tube.
A kind of transformer station with spray cooling device the most according to claim 1, its feature
It is: all fixed by Plastic Bandage between each described shower nozzle and described shower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598331.XA CN104319669B (en) | 2014-10-30 | 2014-10-30 | A kind of transformer station with spray cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598331.XA CN104319669B (en) | 2014-10-30 | 2014-10-30 | A kind of transformer station with spray cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104319669A CN104319669A (en) | 2015-01-28 |
| CN104319669B true CN104319669B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410598331.XA Active CN104319669B (en) | 2014-10-30 | 2014-10-30 | A kind of transformer station with spray cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946968A (en) * | 2017-11-28 | 2018-04-20 | 宁波伊顿电力科技有限公司 | Method for reducing substation's temperature and dust content |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107833730B (en) * | 2017-10-31 | 2019-08-30 | 国网河南省电力公司邓州市供电公司 | A kind of ground transformer spraying cooling system and method |
| CN110829243B (en) * | 2019-12-02 | 2021-09-03 | 沧州华瑞变压器有限公司 | High-voltage switch cabinet capable of preventing salt mist corrosion |
| CN111519959A (en) * | 2020-04-23 | 2020-08-11 | 芜湖市卓亚电气有限公司 | Cabinet type transformer substation |
| CN112494852B (en) * | 2020-06-19 | 2021-10-26 | 国网安徽省电力有限公司电力科学研究院 | Overhead fire insulation method and device for preventing extra-high voltage converter transformer fire from expanding |
| CN112181022A (en) * | 2020-10-19 | 2021-01-05 | 广东电网有限责任公司佛山供电局 | Automatic water-cooling system of main transformer |
| CN115501518B (en) * | 2022-08-25 | 2023-08-15 | 国网安徽省电力有限公司电力科学研究院 | Device and method for detecting overflow risk of oil collecting pit of converter station/transformer substation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001345218A (en) * | 2000-06-02 | 2001-12-14 | Ngk Insulators Ltd | Cooling method of transformer |
| CN202081428U (en) * | 2011-05-30 | 2011-12-21 | 内蒙古电力勘测设计院 | Oil pit pebble bracket of transformer |
| CN202258665U (en) * | 2011-08-17 | 2012-05-30 | 桐乡中欣化纤有限公司 | Auxiliary heat-radiating device of transformer |
| CN203312662U (en) * | 2013-06-20 | 2013-11-27 | 浙江申工变压器制造有限公司 | Box-type substation with cooling device |
| CN203433950U (en) * | 2013-09-04 | 2014-02-12 | 国家电网公司 | Power transformer spraying and cooling system |
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2014
- 2014-10-30 CN CN201410598331.XA patent/CN104319669B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946968A (en) * | 2017-11-28 | 2018-04-20 | 宁波伊顿电力科技有限公司 | Method for reducing substation's temperature and dust content |
| CN107946968B (en) * | 2017-11-28 | 2019-07-09 | 宁波伊顿电力科技有限公司 | For reducing the method for substation's temperature and dust content |
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| CN104319669A (en) | 2015-01-28 |
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