CN105118648B - The insulation protection device of not oil-filled power system transformer - Google Patents
The insulation protection device of not oil-filled power system transformer Download PDFInfo
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- CN105118648B CN105118648B CN201510630758.8A CN201510630758A CN105118648B CN 105118648 B CN105118648 B CN 105118648B CN 201510630758 A CN201510630758 A CN 201510630758A CN 105118648 B CN105118648 B CN 105118648B
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Abstract
The invention discloses a kind of insulation protection device of not oil-filled power system transformer; including pit foundation and transformer foundation; the transformer be arranged on it is described on the basis of; the correspondence transformer sets sealing plate on the basis of described; activity sets sealing cover body on the sealing plate; gas inlet is set in the seal closure body, and the gas inlet is connected with mechanism is air-dried, gateway and insulation oil export are set on the sealing cover body.Insulation protection can be carried out to transformer after transformer insulation oil exclusion, prevent more malaria from causing to damage to inside transformer, simple to operate, sealing effectiveness is preferable.
Description
Technical field
The present invention relates to transformer substation foundation construction technique field, and in particular to a kind of not oil-filled power system transformer it is exhausted
Edge protection device.
Background technology
, in normal operation, inside is filled with qualified transformer oil for transformer, it is ensured that iron core and coil inside device body
Not with air contact, it is therefore prevented that what device body insulated makes moist.But main transformer must all release transformer oil in maintenance.In order to ensure
The insulation of device body is good, it is stipulated that the device body of main transformer insulate aerial open-assembly time, when the humidity of air is 65%-75%,
No more than 12 hours, the humidity of air was less than 65%, no more than 16 hours, when the humidity of air is more than 75%, must not be become
Depressor is overhauled, and especially for the rainy day, transformer just cannot be overhauled, in southern rainy weather, the maintenance of transformer
Operation cannot be carried out according to the time interval of regulation, extremely easily cause accident.
Often there are some special circumstances, such as weather reason, artificial original during overhauling in working site in transformer
Cause, Equipment make service work operation overnight or interruption occur, make device body aerial open-assembly time long.To shorten device
Body aerial open-assembly time is long, and the measure often taken is：Device body is sealed during the interruption that works, and to becoming
Depressor is vacuumized and kept, it is to avoid with air directly contact.But this kind of method has drawback, if transformer sealing is not
Good, extraneous substantial amounts of moisture endlessly will enter in device body, the insulation of retainer body is not only unable to, on the contrary to main transformer
Insulation is harmful.
And transformer is typically set and outdoor in the prior art, the influence of environment is larger, and transformation should be ensured in summer
Device inner sealing state, in addition it is also necessary to which staff is internally overhauled, high temperature is to plant great for the body of staff
Challenge, is no lack of the staff that some heatstrokes fall in a swoon in upkeep operation and exists, be unfavorable for service work be smoothed out and
Staff's is healthy.
The content of the invention
Problem to be solved by this invention is to provide a kind of insulation protection device of not oil-filled power system transformer, can be with
Insulation protection is carried out to transformer after transformer insulation oil exclusion, prevents more malaria from causing to damage to inside transformer
Bad, simple to operate, sealing effectiveness is preferable.
A kind of insulation protection device of not oil-filled power system transformer, including pit foundation and transformer foundation, the transformation
Device be arranged on it is described on the basis of, it is described on the basis of the correspondence transformer sealing plate is set, activity sets close on the sealing plate
Gas inlet is set in sealing cover body, the seal closure body, and the gas inlet is connected with mechanism is air-dried, the sealing
Gateway and insulation oil export are set on cover body.
Further, the insulation oil export includes fuel-displaced flexible pipe, and sealed valve is set on the fuel-displaced flexible pipe.
Further, the mechanism that is air-dried includes dried-air drier.
Further, the sealing plate edge is connected by sealing mechanism with the sealing cover body, and the sealing mechanism is adopted
Take liquid metals sealing.
Further, the sealing mechanism includes the cell body that the correspondence sealing cover body is set, the sealing cover body lower end
It is waveform, recess sets in liquid metal hand-hole, the seal closure body and sets and the liquid in the sealing cover body lower end
The circulation duct of state metal hand-hole connection, the external side of seal closure sets the funnel being connected with the circulation duct.
Further, the sealing cover body lower section correspondence cell body sets cover plate.
Further, Temperature Humidity Sensor is set in the seal closure body, pressure gauge is set on the sealing cover body, it is described
Temperature Humidity Sensor is connected with controller, and the controller is connected with display.
Further, portion sets temperature control pipeline, described temperature control pipeline one end and water temperature controlling mechanism in the seal closure body
Connection, the other end sets delivery port and sealing-plug, and the water temperature controlling mechanism is arranged on the sealing cover body top, the water temperature
Governor motion includes three-way pipe, and the three-way pipe Single port connects heating cavity by hot water valve, and another port passes through cold valves
Connection refrigeration cavity.
Further, steam vent is set on the sealing cover body, activity sets sealing-plug on the steam vent.
The sealing plate and sealing cover body use special isolation material, raw material that the special isolation material includes and its
Weight portion is constituted：It is epoxy resin, polyvinyl chloride, acrylic resin, phenolic resin, nylon fiber, curing agent, zeolite powder, poly-
Hydroxyacetic acid, phthalic anhydride.
Further, special isolation material includes that the raw material of following weight portion is prepared from：It is 60~80 parts of epoxy resin, poly-
6~8 parts of vinyl chloride, acrylic resin 25-30 parts, 8~15 parts of phenolic resin, 9~12 parts of nylon fiber, 8~12 parts of curing agent,
6~10 parts of zeolite powder, 5~8 parts of polyglycolic acid, 2~4 parts of phthalic anhydride.
Further, special isolation material includes that the raw material of following weight portion is prepared from：It is 65~75 parts of epoxy resin, poly-
6~8 parts of vinyl chloride, acrylic resin 27-28 parts, 10~13 parts of phenolic resin, 10~11 parts of nylon fiber, curing agent 8~12
Part, 7~8 parts of zeolite powder, 6~7 parts of polyglycolic acid, 2~4 parts of phthalic anhydride.
Preferably, special isolation material also includes 1~2 part of functional material, and functional material is lauric acid amide of ethanol
And hydrogen peroxide.
The raw material and its weight portion of the curing agent are constituted：45~65 parts of m-xylene diamine, α-methacrylic acid 70~
80 parts.
The granularity of the zeolite powder is 200~300 mesh.
The present invention is to provide a kind of insulation protection device of not oil-filled power system transformer, it is intended that solve prior art
In it is transformer insulated it is bad cause damage problem, when repair and maintenance is carried out to transformer, the environment first to surrounding is carried out
Monitoring, if meeting regulation can not enable the present apparatus, if degree with the humid air is larger, the input and outlet line to transformer are broken
Open, sealing cover body is placed on sealing plate, the sealing plate set on such transformer foundation plays support to sealing cover body
Effect, and both combine to form a cavity for parcel transformer, the gas inlet in seal closure connects with mechanism is air-dried
Connect, dry air endlessly can be injected into portion in seal closure body, wet air original in seal closure body is discharged, protect
The drying of inside is held, exposed aerial inside transformer equipment is protected.When in use, can be by dried-air drier
Structure is opened with 0.7~3m3The flow of/min is empty for discharging the moistening in seal closure body to dry air is blown into transformer
Gas, then carries out encapsulation process to sealing cover body and sealing plate junction, prevents the gas too fast or extraneous wet air that scatters from entering
Enter inside cover body, it is ensured that being air-dried in cover body.The gateway set on sealing cover body and the convenient work people of insulating oil outlet
The turnover and insulating oil of member are discharged from transformer, and the settable rubber seal in gateway is sealed, and insulation oil export includes
Fuel-displaced flexible pipe, sealed valve is set on fuel-displaced flexible pipe, can be discharged the insulation fluid in transformer by fuel-displaced flexible pipe, treats that it is arranged
Operate sealed valve to seal flexible pipe after removing, prevent seal closure inside and outside air exchange, it is ensured that sealing effectiveness.It is air-dried
Machine has two major classes：Absorption type and freezing type.Adsorption compressed air dryer utilizes the principle of pressure-variable adsorption, and humid air is by inhaling
At attached dose, moisture content is adsorbed, and obtains dry air；Frozen compressed air dryer utilizes cooling air, reduces air themperature
Principle, by the moisture content in humid air by being separated out from air after condensation, obtains dry air, and the present invention compresses empty using freezing type
Gas drying machine, its structure is smaller, is easily used under transformer station's complex situations, and affected simple-to-maintain is convenient.
Hydraulic seal, particularly liquid metal can be used to seal for the sealing of sealing plate and sealing cover body junction,
Sealing mechanism can be set at the edge of sealing plate, sealing mechanism and seal closure are ensured after sealing cover body is placed on sealing plate
The lower end perfection of body agrees with, easy to use.For liquid metal sealing, sealing mechanism can be set to cell body, i.e., it is described
Sealing mechanism includes the cell body that the correspondence sealing cover body is set, and the sealing cover body lower end is waveform, the sealing cover body
Recess sets the circulation for being set in liquid metal hand-hole, the seal closure body and being connected with the liquid metal hand-hole in lower end
Pipeline, the external side of seal closure sets the funnel being connected with the circulation duct, and the waveform for sealing cover body lower end can make
Obtain the pressure that liquid metal can be good at ensureing sealing faceshield side wall both sides so that the liquid level of both sides is realized automatically adjusting, and protects
Card sealing effectiveness, waveform here is also designed to the hole for aiding in liquid metal to circulate, and mainly realizes liquid level regulation
Function.The liquid metal hand-hole that corrugated interior recess is set realizes the injection of liquid metal with circulation duct, by inciting somebody to action
Liquid metal imports funnel, just can realize that liquid metal is injected into cell body, simple to operate just to realize sealing effectiveness, can keep away
Exempting from liquid metal will not splash down other places when cell body is injected, and surrounding environment not impacted.For returning for liquid metal
Receive, liquids recovery hole can be set below the cell body of sealing plate, internal thread is set on liquids recovery hole wall, for liquids recovery
Hole sets sealing bolt, and sealing shroud is set on sealing bolt, when liquid metal is injected, sealing bolt is screwed into liquids recovery
Hole, it is ensured that liquid metal will not flow out, when recovering liquid metal is needed, sealing bolt of back-outing, side simple to operate
Just.The sealing cover body lower section correspondence cell body sets cover plate can be after sealing cover body be placed on sealing plate to the liquid in cell body
State metal is blocked, and placement dust falls into pollution metal or instrument drops and causes liquid metal to splash, and is increased and is used liquid gold
The security of category, and liquid metal can be prevented to be wasted.Sealing of the invention can not only play common using liquid metal sealing
The effect of liquid airproof, moreover it is possible to be changed into solid-state when the transformer maintenance time is more long, strengthens sealing effectiveness, in order to ensure sealing plate
Supporting power, support can be set below sealing plate.
The Temperature Humidity Sensor set in seal closure body can be monitored to temperature and humidity in the cover body after sealing, this
Internal humidity and temperature can be monitored at any time when repair and maintenance is carried out to transformer, and be shown over the display
Show, the air output of mechanism is air-dried by adjusting to reduce the humidity in cover body, can be by interior wet air by coming in and going out
Mouth or steam vent are discharged, and reach the purpose of ventilation, to ensure that the air in cover body keeps drying.Temperature monitoring is to work people
The working environment of member can accomplish adjustment, and matched is the temperature control pipeline that cover body inside is set, can be by controlling to circulate
Cold water or hot water improve the purpose for looking for body temperature to reach so that the working environment of staff is regulated, scorching
Summer it is no longer extremely hot, cold winter keeps warm, beneficial to the raising of operating efficiency.Staff enters in closed environment
The violent work of row, body can go out many sweat in order to radiate, and evaporation of perspiration can cause in cover body that there was dampness in the air, therefore to transformation
When device service work launches, the steam vent that can be sealed on cover body is opened, and the gas relative pressure in holding seal closure body is
0.03MP or higher so that the air in seal closure body can be kept changing constantly, and humiture is passed through during specifically used
Sensor, dried-air drier, pressure gauge use cooperatively to complete..
Beneficial effects of the present invention are as follows：
1st, insulation protection can be carried out to transformer after transformer insulation oil exclusion, prevents more malaria to becoming
Cause to damage inside depressor, simple to operate, sealing effectiveness is preferable.
2nd, seal isolation humid air is carried out to transformer using the present apparatus, service work, environment pair can be carried out in the rainy day
The influence of transformer is smaller, is greatly improved the efficiency of Repair of Transformer upkeep operation.
3rd, sealed using liquid metal, sealing effectiveness more preferably, is carried out more by being air-dried mechanism to humid air
Change, can ensure that the air moment keeps drying in sealing space, beneficial to the carrying out of prolonged Repair of Transformer maintenance work.
4th, the ambient temperature and humidity in seal closure body can be monitored, relative pressure is monitored, can made in maintenance
Ensure that gas pressure is more than atmospheric pressure in cover during industry, reach the purpose of ventilation, and can prevent ambient atmos from entering inside transformer,
Protection to transformer is more comprehensively reliable.
5th, improvement is monitored to the environment in cover body, it is ensured that the control accuracy to humiture is higher, and can is
Staff provides more preferable working environment, beneficial to its prolonged work.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the insulation protection device of the not oil-filled power system transformer of the present invention；
Fig. 2 is the structural representation of sealing mechanism of the present invention；
Fig. 3 is the sectional view of sealing mechanism of the present invention；
Fig. 4 is the structural representation of temperature control pipeline of the present invention.
Specific embodiment
Embodiment one
As shown in figure 1, the invention provides a kind of insulation protection device of not oil-filled power system transformer, including pit foundation
With transformer foundation 1, the transformer 2 is arranged on described basic 1, and the correspondence transformer sets sealing on described basic 1
Plate 4, activity sets sealing cover body 3 on the sealing plate 4, and gas inlet 6, the gas note are set in the sealing cover body 3
Entrance 6 is connected with mechanism 7 is air-dried, and gateway 8 and insulation oil export are set on the sealing cover body 3.
The insulation oil export includes fuel-displaced flexible pipe 10, and sealed valve 9 is set on the fuel-displaced flexible pipe 10.
The mechanism 7 that is air-dried includes dried-air drier.
The raw material and its weight portion that special isolation material includes constitute and are：Epoxy resin, polyvinyl chloride, acrylic resin,
Phenolic resin, nylon fiber, curing agent, zeolite powder, polyglycolic acid, phthalic anhydride.
Special isolation material includes that the raw material of following weight portion is prepared from：It is 60 parts of epoxy resin, 6 parts of polyvinyl chloride, poly-
25 parts of allyl resin, 8 parts of phenolic resin, 9 parts of nylon fiber, 8 parts of curing agent, 6 parts of zeolite powder, 5 parts of polyglycolic acid, adjacent benzene two
2 parts of formic anhydride.
Special isolation material also includes 1 part of functional material, and functional material is lauric acid amide of ethanol：Hydrogen peroxide=1:
2。
The raw material and its weight portion of the curing agent are constituted：45 parts of m-xylene diamine, 70 parts of α-methacrylic acid.
The granularity of the zeolite powder is 200 mesh.
The present embodiment provides a kind of insulation protection device of not oil-filled power system transformer, it is intended that solve existing skill
The transformer insulated bad problem for causing to damage in art, when repair and maintenance is carried out to transformer, the environment first to surrounding enters
Row monitoring, if meeting regulation can not enable the present apparatus, if with the humid air spend larger, input and outlet line to transformer
Disconnect, sealing cover body is placed on sealing plate, the sealing plate set on such transformer foundation plays support to sealing cover body
Effect, and both combine to form a cavity for parcel transformer, the gas inlet in seal closure be air-dried mechanism
Connection, endlessly can inject portion in seal closure body by dry air, and wet air original in seal closure body is discharged,
Drying inside keeping, protects to exposed aerial inside transformer equipment.When in use, will can be air-dried
Mechanism opening is with 0.7~3m3The flow of/min is empty for discharging the moistening in seal closure body to dry air is blown into transformer
Gas, then carries out encapsulation process to sealing cover body and sealing plate junction, prevents the gas too fast or extraneous wet air that scatters from entering
Enter inside cover body, it is ensured that being air-dried in cover body.The gateway set on sealing cover body and the convenient work people of insulating oil outlet
The turnover and insulating oil of member are discharged from transformer, and the settable rubber seal in gateway is sealed, and insulation oil export includes
Fuel-displaced flexible pipe, sealed valve is set on fuel-displaced flexible pipe, can be discharged the insulation fluid in transformer by fuel-displaced flexible pipe, treats that it is arranged
Operate sealed valve to seal flexible pipe after removing, prevent seal closure inside and outside air exchange, it is ensured that sealing effectiveness.It is air-dried
Machine has two major classes：Absorption type and freezing type.Adsorption compressed air dryer utilizes the principle of pressure-variable adsorption, and humid air is by inhaling
At attached dose, moisture content is adsorbed, and obtains dry air；Frozen compressed air dryer utilizes cooling air, reduces air themperature
Principle, by the moisture content in humid air by being separated out from air after condensation, obtains dry air, and the present embodiment is compressed using freezing type
Dried-air drier, its structure is smaller, is easily used under transformer station's complex situations, and affected simple-to-maintain is convenient.
Embodiment two
As described in Fig. 2 and Fig. 3：The invention provides a kind of insulation protection device of not oil-filled power system transformer, bag
Pit foundation and transformer foundation 1 are included, the transformer 2 is arranged on described basic 1, the correspondence transformer sets on described basic 1
Sealing plate 4 is put, activity sets sealing cover body 3 on the sealing plate 4, and gas inlet 6 is set in the sealing cover body 3, described
Gas inlet 6 is connected with mechanism 7 is air-dried, and gateway 8 and insulation oil export are set on the sealing cover body 3.
The edge of the sealing plate 4 is connected by sealing mechanism 5 with the sealing cover body 3, and the sealing mechanism 5 takes liquid
Metal sealing.
The sealing mechanism 5 includes the cell body 11 that the correspondence sealing cover body 3 is set, and sealing cover body 3 lower end is ripple
Shape wave, recess sets liquid metal hand-hole 12 in the lower end of sealing cover body 3, is set and the liquid in the sealing cover body 3
The circulation duct 13 of the connection of state metal hand-hole 12, the outside of sealing cover body 3 sets the leakage being connected with the circulation duct 13
Bucket 14.
The lower section correspondence cell body of the sealing cover body 3 sets cover plate 15.
The raw material and its weight portion that special isolation material includes constitute and are：Epoxy resin, polyvinyl chloride, acrylic resin,
Phenolic resin, nylon fiber, curing agent, zeolite powder, polyglycolic acid, phthalic anhydride.
Special isolation material includes that the raw material of following weight portion is prepared from：60~80 parts of epoxy resin, polyvinyl chloride 8
Part, 30 parts of acrylic resin, 15 parts of phenolic resin, 12 parts of nylon fiber, 12 parts of curing agent, 10 parts of zeolite powder, polyglycolic acid 8
Part, 4 parts of phthalic anhydride.
Special isolation material also includes 2 parts of functional material, and functional material is lauric acid amide of ethanol：Hydrogen peroxide=1:
2。
The raw material and its weight portion of the curing agent are constituted：65 parts of m-xylene diamine, 780 parts of α-methacrylic acid.
The granularity of the zeolite powder is 300 mesh.
Hydraulic seal, particularly liquid metal can be used to seal for the sealing of sealing plate and sealing cover body junction,
Sealing mechanism can be set at the edge of sealing plate, sealing mechanism and seal closure are ensured after sealing cover body is placed on sealing plate
The lower end perfection of body agrees with, easy to use.For liquid metal sealing, sealing mechanism can be set to cell body, i.e., it is described
Sealing mechanism includes the cell body that the correspondence sealing cover body is set, and the sealing cover body lower end is waveform, the sealing cover body
Recess sets the circulation for being set in liquid metal hand-hole, the seal closure body and being connected with the liquid metal hand-hole in lower end
Pipeline, the external side of seal closure sets the funnel being connected with the circulation duct, and the waveform for sealing cover body lower end can make
Obtain the pressure that liquid metal can be good at ensureing sealing faceshield side wall both sides so that the liquid level of both sides is realized automatically adjusting, and protects
Card sealing effectiveness, waveform here is also designed to the hole for aiding in liquid metal to circulate, and mainly realizes liquid level regulation
Function.The liquid metal hand-hole that corrugated interior recess is set realizes the injection of liquid metal with circulation duct, by inciting somebody to action
Liquid metal imports funnel, just can realize that liquid metal is injected into cell body, simple to operate just to realize sealing effectiveness, can keep away
Exempting from liquid metal will not splash down other places when cell body is injected, and surrounding environment not impacted.For returning for liquid metal
Receive, liquids recovery hole can be set below the cell body of sealing plate, internal thread is set on liquids recovery hole wall, for liquids recovery
Hole sets sealing bolt, and sealing shroud is set on sealing bolt, when liquid metal is injected, sealing bolt is screwed into liquids recovery
Hole, it is ensured that liquid metal will not flow out, when recovering liquid metal is needed, sealing bolt of back-outing, side simple to operate
Just.The sealing cover body lower section correspondence cell body sets cover plate can be after sealing cover body be placed on sealing plate to the liquid in cell body
State metal is blocked, and placement dust falls into pollution metal or instrument drops and causes liquid metal to splash, and is increased and is used liquid gold
The security of category, and liquid metal can be prevented to be wasted.Sealing of the invention can not only play common using liquid metal sealing
The effect of liquid airproof, moreover it is possible to be changed into solid-state when the transformer maintenance time is more long, strengthens sealing effectiveness, in order to ensure sealing plate
Supporting power, support can be set below sealing plate.
In order to strengthen sealing effectiveness, the control for liquid metal is more perfect, and the lower section of the sealing plate 4 sets support 32
Support degree for strengthening sealing plate 4, the inside of the sealing plate 4 correspondence cell body 11 sets regulation passage 16, the tune
Section passage 16 is connected with water-temperature control mechanism 17.What water-temperature control mechanism can control injection regulation passage is cold water or heat
Water, the present embodiment water-temperature control mechanism is water pot, and its level height is opened higher than the height for adjusting passage, the other end for adjusting passage
Apopore and stopple are provided with, can so select hot water or cold water to pour into water pot, just hot water or cold water injection can adjusted
Section passage regulates and controls to the temperature of liquid metal, and it is liquid or solid-state that can control it so that sealing is more convenient and simple,
The content of present invention protection is influence of the temperature adjusting to liquid metal, it is not limited to the content of the present embodiment.The liquid
Metal uses gallium-indium-tin alloy, and material is prepared simply, cheap, and volatility is poor nontoxic to human body, keeps the temperature of liquid
Degree can be changed by different ratio, more be adapted to use herein.
Embodiment three
As shown in Figure 2, Figure 4 shows, the invention provides a kind of insulation protection device of not oil-filled power system transformer, including
Pit foundation and transformer foundation 1, the transformer 2 are arranged on described basic 1, and the correspondence transformer is set on described basic 1
Sealing plate 4, activity sets sealing cover body 3 on the sealing plate 4, and gas inlet 6, the gas are set in the sealing cover body 3
Body inlet 6 is connected with mechanism 7 is air-dried, and gateway 8 and insulation oil export are set on the sealing cover body 3.
Temperature Humidity Sensor 18 is set in the sealing cover body 3, pressure gauge 21, the temperature are set on the sealing cover body 3
Humidity sensor 18 is connected with controller 19, and the controller 19 is connected with display 20.
The inside of sealing cover body 3 sets temperature control pipeline 22, and the one end of the temperature control pipeline 22 is connected with water temperature controlling mechanism,
The other end sets delivery port 33 and sealing-plug 34, and the water temperature controlling mechanism is arranged on the top of sealing cover body 3, the water temperature
Governor motion includes three-way pipe 23, and the Single port of the three-way pipe 23 connects heating cavity 26 by hot water valve 24, and another port leads to
The supercooling connection refrigeration cavity 27 of water valve 25.
Steam vent 28 is set on the sealing cover body 3, activity sets sealing-plug 29 on the steam vent 28.
The raw material and its weight portion that special isolation material includes constitute and are：Epoxy resin, polyvinyl chloride, acrylic resin,
Phenolic resin, nylon fiber, curing agent, zeolite powder, polyglycolic acid, phthalic anhydride.
Special isolation material includes that the raw material of following weight portion is prepared from：It is 75 parts of epoxy resin, 8 parts of polyvinyl chloride, poly-
28 parts of allyl resin, 13 parts of phenolic resin, 11 parts of nylon fiber, 12 parts of curing agent, 8 parts of zeolite powder, 7 parts of polyglycolic acid, neighbour
4 parts of phthalate anhydride.
Special isolation material also includes 2 parts of functional material, and functional material is lauric acid amide of ethanol：Hydrogen peroxide=1:
2。
The raw material and its weight portion of the curing agent are constituted：50 parts of m-xylene diamine, 78 parts of α-methacrylic acid.
The granularity of the zeolite powder is 250 mesh.
The Temperature Humidity Sensor set in seal closure body can be monitored to temperature and humidity in the cover body after sealing, this
Internal humidity and temperature can be monitored at any time when repair and maintenance is carried out to transformer, and be shown over the display
Show, the air output of mechanism is air-dried by adjusting to reduce the humidity in cover body, can be by interior wet air by coming in and going out
Mouth or steam vent are discharged, and reach the purpose of ventilation, to ensure that the air in cover body keeps drying.Temperature monitoring is to work people
The working environment of member can accomplish adjustment, and matched is the temperature control pipeline that cover body inside is set, can be by controlling to circulate
Cold water or hot water improve the purpose for looking for body temperature to reach so that the working environment of staff is regulated, scorching
Summer it is no longer extremely hot, cold winter keeps warm, beneficial to the raising of operating efficiency.Staff enters in closed environment
The violent work of row, body can go out many sweat in order to radiate, and evaporation of perspiration can cause in cover body that there was dampness in the air, therefore to transformation
When device service work launches, the steam vent that can be sealed on cover body is opened, and the gas relative pressure in holding seal closure body is
0.03MP or higher so that the air in seal closure body can be kept changing constantly, and humiture is passed through during specifically used
Sensor, dried-air drier, pressure gauge use cooperatively to complete.
Special isolation material of the invention has preferable adhesive strength and chemical-resistance, zeolite powder rough surface and tool
Some loose structures, make it have stronger carrying capability, material can not only equably adsorbed on surface, and can be adsorbed onto
In hole and passage, the utilizability that improve material also substantially improves the uniformity of mixing, so as to improve the strong of insulating materials
Degree and tensile property.Zeolite is acidproof simultaneously, it is possible to increase the decay resistance of insulating materials.Acrylic resin is compound with regular structure
Crystalline polymer, is light oyster white pellet, tasteless, nontoxic, light weight thermoplastic resin.Relative density is 0.90~0.94,
It is most light one kind in resins for universal use.Satisfactory mechanical property, heat resistance is good, and its fusing point is 170 DEG C or so, without outer masterpiece
Under, 150 DEG C indeformable, and chemical stability is good, acid and alkali resistance and organic solvent, with most of chemicals（As fuming nitric aicd,
Chromic acid solution, halogen, benzene, carbon tetrachloride, chloroform etc.）Do not have an effect, and hardly absorb water.Phenolic resin and nylon fiber,
After the curing process such as zeolite powder, obtain being crosslinked build structural fibers.Polyglycolic acid structure function has abundant diversity, tool
Have good biocompatibility and biodegradable, it is nontoxic, without canceration, with mechanical strength higher and excellent physical chemistry
Performance.Phthalic anhydride can improve insulating materials insulation, resistance so, arc resistance can soften insulating materials, increase
The toughness of insulating materials, while playing a part of to disperse polyvinyl chloride, improves the insulation of insulating materials, hinders right, arc resistance energy.
Improve insulating materials heatproof and decay resistance.Functional material lauric acid amide of ethanol of the invention：Hydrogen peroxide is 2：3 parts
When, functional material is insensitive to hard water, nontoxic, tasteless, deposit-free, the close neutrality of pH value, to non-corrosiveness such as rubber, to ring
Border does not produce pollution.The functional material shelf-stable, it is unlikely to deteriorate, with excellent foaming energy, foaming abundancy, the stabilization of foam
Property is moderate.Through overtesting, making foaming rubber layer with the functional material of the proportioning has few consumption, low cost, steady quality
The features such as, while its internal porosity of bipeltate that the functional material makes is non-through shape, vacuum structure being formed, insulating properties are non-
Chang Hao, so the gas permeability of bipeltate is excessively poor, impermeable, structural strength is high.What is more important functional material is produced
Intensity it is very high, extremely stable, dispersed, product uniform pore diameter substantially increases the performance of insulation.Solidification of the invention
Agent, using said components, further enhances the toughness of resin curing agent, improves bearing strength, strengthens heat resistance, thus is made
Epoxy curing agent have the advantages that reaction speed is fast and high pressure resistant, corrosion-resistant, contraction distortion is small.
Compared with the prior art, insulating materials good insulating of the invention, intensity are high, corrosion-resistant and with good low
Warm cold tolerance, while insulating properties >=1.8 × 1013Ω .m, good low temperature cold tolerance, brittle temperature≤- 55 DEG C,
Toughness and intensity have concurrently, and intensity can reach 256-385MPA.
Claims (4)
1. a kind of insulation protection device of not oil-filled power system transformer, including pit foundation and transformer foundation, the transformer
On the basis of described in being arranged on, it is characterised in that：The correspondence transformer sets sealing plate on the basis of described, living on the sealing plate
It is dynamic that sealing cover body is set, gas inlet is set in the seal closure body, the gas inlet is connected with mechanism is air-dried,
The sealing plate and sealing cover body are made of special isolation material, set gateway on the sealing cover body and insulating oil goes out
Mouthful, the insulation oil export includes fuel-displaced flexible pipe, and sealed valve is set on the fuel-displaced flexible pipe, and the mechanism that is air-dried includes
Dried-air drier, the sealing plate edge is connected by sealing mechanism with the sealing cover body, and the sealing mechanism takes liquid
Metal sealing, the sealing mechanism includes the cell body that the correspondence sealing cover body is set, and the sealing cover body lower end is waveform,
Recess sets to be set in liquid metal hand-hole, the seal closure body and is injected with the liquid metal in the sealing cover body lower end
The circulation duct of hole connection, the external side of seal closure sets the funnel being connected with the circulation duct, in the seal closure body
Portion sets temperature control pipeline, and described temperature control pipeline one end is connected with water temperature controlling mechanism, and the other end sets delivery port and sealing-plug, institute
State water temperature controlling mechanism and be arranged on the sealing cover body top, the water temperature controlling mechanism includes three-way pipe, the three-way pipe one
Port connects heating cavity by hot water valve, and another port connects refrigeration cavity by cold valves, and special isolation material includes
Raw material and its weight portion composition are：Epoxy resin, polyvinyl chloride, acrylic resin, phenolic resin, nylon fiber, curing agent, boiling
Stone flour, polyglycolic acid, phthalic anhydride.
2. the insulation protection device of not oil-filled power system transformer as claimed in claim 1, it is characterised in that：The sealing
The cover body lower section correspondence cell body sets cover plate.
3. the insulation protection device of not oil-filled power system transformer as claimed in claim 1, it is characterised in that：The sealing
Temperature Humidity Sensor is set in cover body, pressure gauge is set on the sealing cover body, the Temperature Humidity Sensor is connected with controller,
The controller is connected with display.
4. the insulation protection device of not oil-filled power system transformer as claimed in claim 3, it is characterised in that：The sealing
Steam vent is set on cover body, and activity sets sealing-plug on the steam vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510630758.8A CN105118648B (en) | 2015-09-29 | 2015-09-29 | The insulation protection device of not oil-filled power system transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510630758.8A CN105118648B (en) | 2015-09-29 | 2015-09-29 | The insulation protection device of not oil-filled power system transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105118648A CN105118648A (en) | 2015-12-02 |
| CN105118648B true CN105118648B (en) | 2017-06-30 |
Family
ID=54666603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510630758.8A Expired - Fee Related CN105118648B (en) | 2015-09-29 | 2015-09-29 | The insulation protection device of not oil-filled power system transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105118648B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740339B (en) * | 2020-08-04 | 2022-02-11 | 南阳市鑫特电气有限公司 | Gas insulation type switch cabinet |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1024613C (en) * | 1989-09-18 | 1994-05-18 | 朱宝骅 | Outdoor all-around protection box type substation |
| IT1252940B (en) * | 1991-02-14 | 1995-07-05 | Cosmo Seri | UNDERGROUND ELECTRIC TRANSFORMATION CABIN, CONSTITUTED BY TWO CELLS CONTAINED ONE WITHIN THE OTHER. |
| CN102064018A (en) * | 2010-11-24 | 2011-05-18 | 河南省电力公司南阳供电公司 | Damp-proof device for transformer overhauling operation |
| CN203351342U (en) * | 2013-06-22 | 2013-12-18 | 浙江申工变压器制造有限公司 | Oil-immersed transformer with water circulation cooling device |
| CN103724937B (en) * | 2013-11-29 | 2016-01-27 | 国家电网公司 | A kind of cable splice special isolation material |
| CN104214345A (en) * | 2014-06-20 | 2014-12-17 | 辽阳泵业密封有限公司 | Multi-level sealing device |
| CN204668078U (en) * | 2015-05-12 | 2015-09-23 | 王政钧 | A kind of novel inside transformer dehydrating unit |
-
2015
- 2015-09-29 CN CN201510630758.8A patent/CN105118648B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105118648A (en) | 2015-12-02 |
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Effective date of registration: 20170525 Address after: Nanyang City, Henan province 473000 Nanzhao County Chengguan Danxia Road No. 27 Applicant after: STATE GRID HENAN NANZHAO POWER SUPPLYING COMPANY Address before: 473000 Henan City, Nanyang province people's North Road, No. 268 Applicant before: Nanyang Power Supply Company, State Grid Henan Electric Power Company |
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