CN105118648A - Insulation protection device of non-oil-charge electric system transformer - Google Patents
Insulation protection device of non-oil-charge electric system transformer Download PDFInfo
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- CN105118648A CN105118648A CN201510630758.8A CN201510630758A CN105118648A CN 105118648 A CN105118648 A CN 105118648A CN 201510630758 A CN201510630758 A CN 201510630758A CN 105118648 A CN105118648 A CN 105118648A
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Abstract
The invention discloses an insulation protection device of a non-oil-charge electric system transformer. The insulation protection device comprises a pit foundation and a transformer foundation, the transformer is arranged on the foundation, a seal plate is arranged on the portion, corresponding to the transformer, of the foundation and movably provided with a seal cover, a gas injection opening is formed inside the seal cover and connected with an air drying mechanism, and an exit and entrance and an insulating oil outlet are formed in the seal cover. After insulating oil of the transformer is discharged, insulation protection can be performed on the transformer, in this way, damp air is prevented from damaging the interior of the transformer, and the insulation protection device is easy and convenient to operate and good in seal effect.
Description
Technical field
The present invention relates to transformer substation foundation construction technique field, be specifically related to a kind of insulation protection device of not oil-filled power system transformer.
Background technology
Transformer is when normally running, and inside is filled with qualified transformer oil, and ensure that the iron core of device body inside does not contact with air with coil, what prevent device body to insulate makes moist.But main transformer all must be released transformer oil in maintenance.Good in order to ensure the insulation of device body, define the device body insulation aerial open-assembly time of main transformer, when the humidity of air is 65%-75%, be no more than 12 hours, the humidity of air is less than 65%, is no more than 16 hours, when the humidity of air is greater than 75%, Repair of Transformer must not be carried out, particularly for the rainy day, transformer just cannot overhaul, in southern rainy weather, the upkeep operation of transformer cannot carry out according to the time interval of regulation, very easily causes the accident.
Between turn(a)round, often there are some special circumstances in working site in transformer, as weather reason, artificial origin, Equipment make service work occur operation overnight or interruption, makes device body aerial open-assembly time long.For shortener body aerial open-assembly time is long, the measure often taked is: seal device body during work is interrupted, and vacuumize transformer and keep, avoid directly contacting with air.But this kind of method exists drawback, if transformer poor sealing, extraneous a large amount of moisture will enter in device body endlessly, not only can not the insulation of retainer body, is harmful on the contrary to the insulation of main transformer.
And transformer is generally arranged and outdoor in prior art, the impact of environment is larger, inside transformer sealing state should be ensured in summer, staff is also needed to overhaul in inside, high temperature is kind of a challenge greatly for the health of staff, be no lack of the staff that some heatstrokes fall in a swoon to exist when upkeep operation, be unfavorable for carrying out smoothly and staff healthy of service work.
Summary 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; insulation protection can be carried out to transformer after transformer insulation oil is got rid of; prevent comparatively malaria from causing damage to inside transformer, simple to operation, sealing effectiveness is better.
A kind of insulation protection device of not oil-filled power system transformer; comprise pit foundation and transformer foundation; described transformer is arranged on described basis; on described basis, corresponding described transformer arranges sealing plate; on described sealing plate, activity arranges sealing cover body; arrange gas inject mouth in described sealing cover body, described gas inject mouth is connected with air oxygen detrition mechanism, described sealing cover body sets out entrance and insulating oil outlet.
Further, described insulating oil outlet comprises fuel-displaced flexible pipe, and described fuel-displaced flexible pipe arranges sealed valve.
Further, described air oxygen detrition mechanism comprises dried-air drier.
Further, described sealing plate edge is connected with described sealing cover body by sealing mechanism, and described sealing mechanism takes liquid metals to seal.
Further, described sealing mechanism comprises the cell body that corresponding described sealing cover body is arranged, described sealing cover body lower end is waveform, in described sealing cover body lower end, recess arranges liquid metal hand-hole, the circulation duct be connected with described liquid metal hand-hole is set in described sealing cover body, the funnel that described seal closure body arranged outside is connected with described circulation duct.
Further, below described sealing cover body, corresponding described cell body arranges cover plate.
Further, arrange Temperature Humidity Sensor in described sealing cover body, described sealing cover body arranges Pressure gauge, and described Temperature Humidity Sensor is connected with controller, and described controller is connected with display.
Further, described sealing cover body inside arranges temperature control pipeline, described temperature control pipeline one end is connected with water temperature controlling mechanism, the other end sets out the mouth of a river and sealing plug, described water temperature controlling mechanism is arranged on above described sealing cover body, described water temperature controlling mechanism comprises three-way pipe, and described three-way pipe Single port connects heating cavity by hot water valve, and another port connects refrigeration cavity by cold valves.
Further, described sealing cover body arranges steam vent, and on described steam vent, activity arranges sealing plug.
Described sealing plate and sealing cover body all adopt special isolation material, and the raw material that described Special seal material comprises and weight portion thereof consist of: epoxy resin, polyvinyl chloride, acrylic resin, phenolic resins, nylon fiber, curing agent, zeolite powder, polyglycolic acid, phthalic anhydride.
Further, the raw material that Special seal material comprises following weight portion is prepared from: epoxy resin 60 ~ 80 parts, polyvinyl chloride 6 ~ 8 parts, acrylic resin 25-30 part, 8 ~ 15 parts, phenolic resins, nylon fiber 9 ~ 12 parts, 8 ~ 12 parts, curing agent, zeolite powder 6 ~ 10 parts, polyglycolic acid 5 ~ 8 parts, phthalic anhydride 2 ~ 4 parts.
Further, the raw material that Special seal material comprises following weight portion is prepared from: epoxy resin 65 ~ 75 parts, polyvinyl chloride 6 ~ 8 parts, acrylic resin 27-28 part, 10 ~ 13 parts, phenolic resins, nylon fiber 10 ~ 11 parts, 8 ~ 12 parts, curing agent, zeolite powder 7 ~ 8 parts, polyglycolic acid 6 ~ 7 parts, phthalic anhydride 2 ~ 4 parts.
Preferably, Special seal material also comprises the functional material of 1 ~ 2 part, and functional material is lauric acid amide of ethanol and hydrogen peroxide.
Raw material and the weight portion thereof of described curing agent consist of: m-xylene diamine 45 ~ 65 parts, α-methacrylic acid 70 ~ 80 parts.
The granularity of described zeolite powder is 200 ~ 300 orders.
The present invention is to provide a kind of insulation protection device of not oil-filled power system transformer, be intended to solve the transformer insulated bad problem causing damage in prior art, when carrying out repair and maintenance to transformer, first the environment of surrounding is monitored, this device can not be enabled if conform with the regulations, if degree with the humid air is larger, then the input and output circuit of transformer is disconnected, sealing cover body is placed on sealing plate, the sealing plate that such transformer foundation is arranged plays the effect of support to sealing cover body, and both are in conjunction with the cavity of a formation parcel transformer, gas inject mouth in seal closure is connected with air oxygen detrition mechanism, endlessly dry air can be injected sealing cover body inner, wet air original in sealing cover body is discharged, keep inner drying, exposed aerial inside transformer equipment is protected.In use, air oxygen detrition mechanism can be opened with 0.7 ~ 3m
3the flow of/min is blown into dry air in transformer, for discharging the wet air in sealing cover body, then encapsulation process is carried out to sealing cover body and sealing plate junction, prevent the gas too fast or extraneous wet air that scatters from entering cover body inside, ensure the air oxygen detrition in cover body.The gateway that sealing cover body is arranged and insulating oil outlet facilitate the turnover of staff and insulating oil to discharge in transformer, gateway can arrange rubber seal and seal, insulating oil outlet comprises fuel-displaced flexible pipe, fuel-displaced flexible pipe arranges sealed valve, insulation fluid in transformer can be discharged by fuel-displaced flexible pipe, after it is got rid of, operate sealed valve seal flexible pipe, prevent seal closure inside and outside air exchange, ensure sealing effectiveness.Dried-air drier has two large classes: absorption type and freezing type.Adsorption compressed air dryer utilizes the principle of pressure-variable adsorption, and when humid air is by adsorbent, moisture content is adsorbed, and obtains dry air; Frozen compressed air dryer utilizes cooling-air, reduce the principle of air themperature, by the moisture content in humid air by separating out from air after condensation, obtain dry air, the present invention adopts frozen compressed air dryer, its structure is less, easily uses under transformer station's complex situations, and affected simple-to-maintain is convenient.
Sealing for sealing plate and sealing cover body junction can adopt hydraulic seal, particularly liquid metal sealing, can sealing plate edge sealing mechanism is set, ensure that sealing mechanism agrees with the lower end perfection of sealing cover body after being placed on sealing plate by sealing cover body, easy to use.Seal for liquid metal, sealing mechanism can be set to cell body, namely described sealing mechanism comprises the cell body that corresponding described sealing cover body is arranged, described sealing cover body lower end is waveform, in described sealing cover body lower end, recess arranges liquid metal hand-hole, the circulation duct be connected with described liquid metal hand-hole is set in described sealing cover body, the funnel that described seal closure body arranged outside is connected with described circulation duct, the waveform of sealing cover body lower end can make liquid metal can be good at ensureing the pressure of seal closure body sidewall both sides, the liquid level of both sides is made to realize automatically regulating, ensure sealing effectiveness, here waveform also can be designed to the logical hole of auxiliary liquid metal flow, mainly realize the function that liquid level regulates.The liquid metal hand-hole that corrugated interior recess is arranged and circulation duct achieve the injection of liquid metal, by liquid metal is imported funnel, just can realize liquid metal is injected in cell body, simple to operately just sealing effectiveness can be realized, liquid metal can be avoided can not to splash down when injecting cell body, and other is local, does not impact surrounding environment.For the recovery of liquid metal, can at sealing plate liquids recovery hole is set below cell body, liquids recovery hole wall arranges internal thread, sealing bolt is set for liquids recovery hole, sealing bolt arranges sealing shroud, when injecting liquid metal, sealing bolt is screwed into liquids recovery hole, can ensures that liquid metal can not flow out, when needs recovering liquid metal, to back-out sealing bolt, simple to operation.Below sealing cover body, corresponding described cell body arranges cover plate and can be placed into after on sealing plate and block the liquid metal in cell body at sealing cover body, place dust to fall into and pollute metal or instrument and drop and cause liquid metal to splash, increase the fail safe using liquid metal, and liquid metal can be prevented to be wasted.Sealing of the present invention adopts liquid metal sealing, can not only play the effect of ordinary liquid sealing, can also become solid-state when the transformer maintenance time is longer, strengthens sealing effectiveness, in order to ensure sealing plate supporting power, support can be set below sealing plate.
The Temperature Humidity Sensor arranged in sealing cover body can be monitored temperature and humidity in the cover body after sealing, this can monitor the humidity and temperature of inside at any time when carrying out repair and maintenance to transformer, and show over the display, the humidity in cover body is reduced by the air output adjusting air oxygen detrition mechanism, interior wet air can be discharged by gateway or steam vent, reach the object of ventilation, to ensure that the air in cover body keeps dry.Temperature monitoring can accomplish adjustment to the operational environment of staff, what coordinate with it is the temperature control pipeline that cover body inside is arranged, the object improved and look for temperature in body can be reached by control circulation cold water or hot water, the operational environment of staff is regulated, no longer extremely hot in scorching summer, keep cold winter warm, be beneficial to the raising of operating efficiency.Staff carries out violent work in airtight environment, health can go out much sweat to dispel the heat, evaporation of perspiration can cause in cover body that there was dampness in the air, when therefore Repair of Transformer work being launched, steam vent on sealing cover body can be opened, keep the gas relative pressure in sealing cover body to be 0.03MP or higher, make the air sealed in cover body can keep in the moment changing, in concrete use procedure by Temperature Humidity Sensor, dried-air drier, Pressure gauge with the use of having come.。
Beneficial effect of the present invention is as follows:
1, after transformer insulation oil is got rid of, can carry out insulation protection to transformer, prevent comparatively malaria from causing damage to inside transformer, simple to operation, sealing effectiveness is better.
2, adopt this device to carry out seal isolation humid air to transformer, can carry out service work in the rainy day, the impact of environment on transformer is less, greatly can improve the efficiency of Repair of Transformer upkeep operation.
3, adopt liquid metal to seal, sealing effectiveness is better, and by air oxygen detrition, mechanism changes humid air, can ensure that in seal cavity, the air moment keeps dry, be beneficial to the carrying out of long Repair of Transformer maintenance work.
4, can the ambient temperature and humidity in sealing cover body be monitored; relative pressure is monitored, can ensure when maintenance activity that in cover, gas pressure is greater than atmospheric pressure, reaches the object of ventilation; and can prevent ambient atmos from entering inside transformer, more comprehensively reliable to the protection of transformer.
5, carry out monitoring to the environment in cover body to improve, can ensure the control precision of humiture higher, and better operational environment can be provided for staff, be beneficial to it and work for a long time.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
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.
Embodiment
Embodiment one
As shown in Figure 1; the invention provides a kind of insulation protection device of not oil-filled power system transformer; comprise pit foundation and transformer foundation 1; described transformer 2 is arranged on described basic 1; on described basic 1, corresponding described transformer arranges sealing plate 4, and on described sealing plate 4, activity arranges sealing cover body 3, arranges gas inject mouth 6 in described sealing cover body 3; described gas inject mouth 6 is connected with air oxygen detrition mechanism 7, described sealing cover body 3 sets out entrance 8 and insulating oil outlet.
Described insulating oil outlet comprises fuel-displaced flexible pipe 10, and described fuel-displaced flexible pipe 10 arranges sealed valve 9.
Described air oxygen detrition mechanism 7 comprises dried-air drier.
The raw material that Special seal material comprises and weight portion thereof consist of: epoxy resin, polyvinyl chloride, acrylic resin, phenolic resins, nylon fiber, curing agent, zeolite powder, polyglycolic acid, phthalic anhydride.
The raw material that Special seal material comprises following weight portion is prepared from: epoxy resin 60 parts, polyvinyl chloride 6 parts, acrylic resin 25 parts, 8 parts, phenolic resins, nylon fiber 9 parts, 8 parts, curing agent, zeolite powder 6 parts, polyglycolic acid 5 parts, phthalic anhydride 2 parts.
Special seal material also comprises the functional material of 1 part, and functional material is lauric acid amide of ethanol: hydrogen peroxide=1:2.
Raw material and the weight portion thereof of described curing agent consist of: m-xylene diamine 45 parts, α-methacrylic acid 70 parts.
The granularity of described zeolite powder is 200 orders.
The present embodiment provides a kind of insulation protection device of not oil-filled power system transformer, be intended to solve the transformer insulated bad problem causing damage in prior art, when carrying out repair and maintenance to transformer, first the environment of surrounding is monitored, this device can not be enabled if conform with the regulations, if degree with the humid air is larger, then the input and output circuit of transformer is disconnected, sealing cover body is placed on sealing plate, the sealing plate that such transformer foundation is arranged plays the effect of support to sealing cover body, and both are in conjunction with the cavity of a formation parcel transformer, gas inject mouth in seal closure is connected with air oxygen detrition mechanism, endlessly dry air can be injected sealing cover body inner, wet air original in sealing cover body is discharged, keep inner drying, exposed aerial inside transformer equipment is protected.In use, air oxygen detrition mechanism can be opened with 0.7 ~ 3m
3the flow of/min is blown into dry air in transformer, for discharging the wet air in sealing cover body, then encapsulation process is carried out to sealing cover body and sealing plate junction, prevent the gas too fast or extraneous wet air that scatters from entering cover body inside, ensure the air oxygen detrition in cover body.The gateway that sealing cover body is arranged and insulating oil outlet facilitate the turnover of staff and insulating oil to discharge in transformer, gateway can arrange rubber seal and seal, insulating oil outlet comprises fuel-displaced flexible pipe, fuel-displaced flexible pipe arranges sealed valve, insulation fluid in transformer can be discharged by fuel-displaced flexible pipe, after it is got rid of, operate sealed valve seal flexible pipe, prevent seal closure inside and outside air exchange, ensure sealing effectiveness.Dried-air drier has two large classes: absorption type and freezing type.Adsorption compressed air dryer utilizes the principle of pressure-variable adsorption, and when humid air is by adsorbent, moisture content is adsorbed, and obtains dry air; Frozen compressed air dryer utilizes cooling-air, reduce the principle of air themperature, by the moisture content in humid air by separating out from air after condensation, obtain dry air, the present embodiment adopts frozen compressed air dryer, its structure is less, easily uses under transformer station's complex situations, and affected simple-to-maintain is convenient.
Embodiment two
As described in Fig. 2 and Fig. 3: the insulation protection device that the invention provides a kind of not oil-filled power system transformer; comprise pit foundation and transformer foundation 1; described transformer 2 is arranged on described basic 1; on described basic 1, corresponding described transformer arranges sealing plate 4; on described sealing plate 4, activity arranges sealing cover body 3; arrange gas inject mouth 6 in described sealing cover body 3, described gas inject mouth 6 is connected with air oxygen detrition mechanism 7, described sealing cover body 3 sets out entrance 8 and insulating oil outlet.
Described sealing plate 4 edge is connected with described sealing cover body 3 by sealing mechanism 5, and described sealing mechanism 5 takes liquid metals to seal.
Described sealing mechanism 5 comprises the cell body 11 that corresponding described sealing cover body 3 is arranged, described sealing cover body 3 lower end is waveform, in described sealing cover body 3 lower end, recess arranges liquid metal hand-hole 12, in described sealing cover body 3, the circulation duct 13 be connected with described liquid metal hand-hole 12 is set, the funnel 14 that described sealing cover body 3 arranged outside is connected with described circulation duct 13.
Below described sealing cover body 3, corresponding described cell body arranges cover plate 15.
The raw material that Special seal material comprises and weight portion thereof consist of: epoxy resin, polyvinyl chloride, acrylic resin, phenolic resins, nylon fiber, curing agent, zeolite powder, polyglycolic acid, phthalic anhydride.
The raw material that Special seal material comprises following weight portion is prepared from: epoxy resin 60 ~ 80 parts, polyvinyl chloride 8 parts, acrylic resin 30 parts, 15 parts, phenolic resins, nylon fiber 12 parts, 12 parts, curing agent, zeolite powder 10 parts, polyglycolic acid 8 parts, phthalic anhydride 4 parts.
Special seal material also comprises the functional material of 2 parts, and functional material is lauric acid amide of ethanol: hydrogen peroxide=1:2.
Raw material and the weight portion thereof of described curing agent consist of: m-xylene diamine 65 parts, α-methacrylic acid 780 parts.
The granularity of described zeolite powder is 300 orders.
Sealing for sealing plate and sealing cover body junction can adopt hydraulic seal, particularly liquid metal sealing, can sealing plate edge sealing mechanism is set, ensure that sealing mechanism agrees with the lower end perfection of sealing cover body after being placed on sealing plate by sealing cover body, easy to use.Seal for liquid metal, sealing mechanism can be set to cell body, namely described sealing mechanism comprises the cell body that corresponding described sealing cover body is arranged, described sealing cover body lower end is waveform, in described sealing cover body lower end, recess arranges liquid metal hand-hole, the circulation duct be connected with described liquid metal hand-hole is set in described sealing cover body, the funnel that described seal closure body arranged outside is connected with described circulation duct, the waveform of sealing cover body lower end can make liquid metal can be good at ensureing the pressure of seal closure body sidewall both sides, the liquid level of both sides is made to realize automatically regulating, ensure sealing effectiveness, here waveform also can be designed to the logical hole of auxiliary liquid metal flow, mainly realize the function that liquid level regulates.The liquid metal hand-hole that corrugated interior recess is arranged and circulation duct achieve the injection of liquid metal, by liquid metal is imported funnel, just can realize liquid metal is injected in cell body, simple to operately just sealing effectiveness can be realized, liquid metal can be avoided can not to splash down when injecting cell body, and other is local, does not impact surrounding environment.For the recovery of liquid metal, can at sealing plate liquids recovery hole is set below cell body, liquids recovery hole wall arranges internal thread, sealing bolt is set for liquids recovery hole, sealing bolt arranges sealing shroud, when injecting liquid metal, sealing bolt is screwed into liquids recovery hole, can ensures that liquid metal can not flow out, when needs recovering liquid metal, to back-out sealing bolt, simple to operation.Below sealing cover body, corresponding described cell body arranges cover plate and can be placed into after on sealing plate and block the liquid metal in cell body at sealing cover body, place dust to fall into and pollute metal or instrument and drop and cause liquid metal to splash, increase the fail safe using liquid metal, and liquid metal can be prevented to be wasted.Sealing of the present invention adopts liquid metal sealing, can not only play the effect of ordinary liquid sealing, can also become solid-state when the transformer maintenance time is longer, strengthens sealing effectiveness, in order to ensure sealing plate supporting power, support can be set below sealing plate.
In order to strengthen sealing effectiveness, control for liquid metal is more perfect, arrange support 32 below described sealing plate 4 for strengthening the support degree of sealing plate 4, the inner corresponding described cell body 11 of described sealing plate 4 arranges and regulates passage 16, and described adjustment passage 16 is connected with water-temperature control mechanism 17.What water-temperature control mechanism can control injection adjustment passage is cold water or hot water, the present embodiment water-temperature control mechanism is water pot, its level height is higher than the height regulating passage, the other end of passage is regulated to offer apopore and stopple, hot water or cold water can be selected like this to pour in water pot, just hot water or cold water can be injected regulates the temperature of passage liquid towards metal to regulate and control, can be controlled it for liquid or solid-state, make sealing simply convenient, the content of the present invention's protection is the impact of temperature adjusting liquid towards metal, be not limited to the content of the present embodiment.Described liquid metal adopts gallium-indium-tin alloy, and material preparation is simple, cheap, and volatility is poor to human non-toxic, keeps liquid temperature can be changed by different ratio, is comparatively adapted at this and uses.
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; comprise pit foundation and transformer foundation 1; described transformer 2 is arranged on described basic 1; on described basic 1, corresponding described transformer arranges sealing plate 4, and on described sealing plate 4, activity arranges sealing cover body 3, arranges gas inject mouth 6 in described sealing cover body 3; described gas inject mouth 6 is connected with air oxygen detrition mechanism 7, described sealing cover body 3 sets out entrance 8 and insulating oil outlet.
Arrange Temperature Humidity Sensor 18 in described sealing cover body 3, described sealing cover body 3 arranges Pressure gauge 21, described Temperature Humidity Sensor 18 is connected with controller 19, and described controller 19 is connected with display 20.
Described sealing cover body 3 inside arranges temperature control pipeline 22, described temperature control pipeline 22 one end is connected with water temperature controlling mechanism, the other end sets out the mouth of a river 33 and sealing plug 34, described water temperature controlling mechanism is arranged on above described sealing cover body 3, described water temperature controlling mechanism comprises three-way pipe 23, described three-way pipe 23 Single port connects heating cavity 26 by hot water valve 24, and another port connects refrigeration cavity 27 by cold valves 25.
Described sealing cover body 3 arranges steam vent 28, and on described steam vent 28, activity arranges sealing plug 29.
The raw material that Special seal material comprises and weight portion thereof consist of: epoxy resin, polyvinyl chloride, acrylic resin, phenolic resins, nylon fiber, curing agent, zeolite powder, polyglycolic acid, phthalic anhydride.
The raw material that Special seal material comprises following weight portion is prepared from: epoxy resin 75 parts, polyvinyl chloride 8 parts, acrylic resin 28 parts, 13 parts, phenolic resins, nylon fiber 11 parts, 12 parts, curing agent, zeolite powder 8 parts, polyglycolic acid 7 parts, phthalic anhydride 4 parts.
Special seal material also comprises the functional material of 2 parts, and functional material is lauric acid amide of ethanol: hydrogen peroxide=1:2.
Raw material and the weight portion thereof of described curing agent consist of: m-xylene diamine 50 parts, α-methacrylic acid 78 parts.
The granularity of described zeolite powder is 250 orders.
The Temperature Humidity Sensor arranged in sealing cover body can be monitored temperature and humidity in the cover body after sealing, this can monitor the humidity and temperature of inside at any time when carrying out repair and maintenance to transformer, and show over the display, the humidity in cover body is reduced by the air output adjusting air oxygen detrition mechanism, interior wet air can be discharged by gateway or steam vent, reach the object of ventilation, to ensure that the air in cover body keeps dry.Temperature monitoring can accomplish adjustment to the operational environment of staff, what coordinate with it is the temperature control pipeline that cover body inside is arranged, the object improved and look for temperature in body can be reached by control circulation cold water or hot water, the operational environment of staff is regulated, no longer extremely hot in scorching summer, keep cold winter warm, be beneficial to the raising of operating efficiency.Staff carries out violent work in airtight environment, health can go out much sweat to dispel the heat, evaporation of perspiration can cause in cover body that there was dampness in the air, when therefore Repair of Transformer work being launched, steam vent on sealing cover body can be opened, keep the gas relative pressure in sealing cover body to be 0.03MP or higher, make the air sealed in cover body can keep in the moment changing, in concrete use procedure by Temperature Humidity Sensor, dried-air drier, Pressure gauge with the use of having come.
Special isolation material of the present invention has good adhesive strength and chemical-resistance, zeolite powder rough surface and the loose structure had, make it have stronger carrying capability, material not only can be made to be adsorbed on surface equably, and can be adsorbed onto in hole and passage, the utilizability that improve material also improves the uniformity of mixing greatly, thus improves intensity and the tensile property of insulating material.Zeolite is acidproof simultaneously, can improve the decay resistance of insulating material.Acrylic resin is the crystalline polymer of compound with regular structure, is the thermoplastic resin of light oyster white pellet, tasteless, nontoxic, light weight.Relative density is 0.90 ~ 0.94, is one the lightest in resins for universal use.Satisfactory mechanical property, heat resistance is good, its fusing point is about 170 DEG C, without under External Force Acting, 150 DEG C indeformable, and chemical stability is good, acid and alkali resistance and organic solvent, do not have an effect with most of chemicals (as fuming nitric aicd, chromic acid solution, halogen, benzene, carbon tetrachloride, chloroform etc.), and absorb water hardly.After phenolic resins and nylon fiber, zeolite powder etc. solidify and process, obtain crosslinked build structural fibers.Polyglycolic acid structure function has abundant diversity, have good biocompatibility and biodegradable, nontoxic, without canceration, there is higher mechanical strength and excellent physical chemical property.Phthalic anhydride can improve the insulation of insulating material, resistance so, arc resistant performance can soften insulating material, increases the toughness of insulating material, plays the effect of dispersion polyvinyl chloride simultaneously, improve the insulation of insulating material, resistance so, arc resistant performance.Improve insulating material heatproof and decay resistance.Functional material lauric acid amide of ethanol of the present invention: when hydrogen peroxide is 2:3 part, functional material is insensitive to hard water, nontoxic, tasteless, deposit-free, pH value, close to neutral, to non-corrosivenesss such as rubber, does not produce pollution to environment.This functional material for shelf-stable, perishable, have excellent foaming energy, foaming abundancy, the stability of foam is not moderate.Through overtesting, make foaming rubber layer with the functional material of this proportioning and there is the features such as consumption is few, cost is low, steady quality, its internal porosity of bipeltate that this functional material makes simultaneously is non-logical shape, form vacuum structure, insulation property are very good, so the non-constant of the gas permeability of bipeltate, can not to permeate, structural strength is high.The intensity that what is more important functional material produces is very high, extremely stable, dispersed, and product uniform pore diameter, substantially increases the performance of insulation.Curing agent of the present invention, adopts said components, strengthens the toughness of resin curing agent further, improves bearing strength, strengthens heat resistance, and the epoxy curing agent thus made has the advantages such as reaction speed is fast and high pressure resistant, corrosion-resistant, contraction distortion is little.
Compared with the prior art, insulating material good insulating of the present invention, intensity are high, corrosion-resistant and have good low temperature cold tolerance, simultaneously insulation property>=1.8 × 10
13Ω .m, good low temperature cold tolerance, brittle temperature≤-55 DEG C, toughness and intensity have concurrently, and intensity can reach 256-385MPA.
Claims (9)
1. the insulation protection device of not oil-filled power system transformer; comprise pit foundation and transformer foundation; described transformer is arranged on described basis; it is characterized in that: on described basis, corresponding described transformer arranges sealing plate; on described sealing plate, activity arranges sealing cover body; arrange gas inject mouth in described sealing cover body, described gas inject mouth is connected with air oxygen detrition mechanism, and described sealing plate and sealing cover body all adopt special isolation material to make.
2. the insulation protection device of not oil-filled power system transformer as claimed in claim 1, is characterized in that: described sealing cover body sets out entrance and insulating oil outlet, and described insulating oil outlet comprises fuel-displaced flexible pipe, and described fuel-displaced flexible pipe arranges sealed valve.
3. the insulation protection device of not oil-filled power system transformer as claimed in claim 1, is characterized in that: described air oxygen detrition mechanism comprises dried-air drier.
4. the insulation protection device of not oil-filled power system transformer as claimed in claim 1, is characterized in that: described sealing plate edge is connected with described sealing cover body by sealing mechanism, and described sealing mechanism takes liquid metals to seal.
5. the insulation protection device of not oil-filled power system transformer as claimed in claim 4; it is characterized in that: described sealing mechanism comprises the cell body that corresponding described sealing cover body is arranged; described sealing cover body lower end is waveform; in described sealing cover body lower end, recess arranges liquid metal hand-hole; the circulation duct be connected with described liquid metal hand-hole is set in described sealing cover body, the funnel that described seal closure body arranged outside is connected with described circulation duct.
6. the insulation protection device of not oil-filled power system transformer as claimed in claim 5, is characterized in that: below described sealing cover body, corresponding described cell body arranges cover plate.
7. the insulation protection device of not oil-filled power system transformer as claimed in claim 1; it is characterized in that: in described sealing cover body, Temperature Humidity Sensor is set; described sealing cover body arranges Pressure gauge, and described Temperature Humidity Sensor is connected with controller, and described controller is connected with display.
8. the insulation protection device of not oil-filled power system transformer as claimed in claim 7; it is characterized in that: described sealing cover body inside arranges temperature control pipeline; described temperature control pipeline one end is connected with water temperature controlling mechanism; the other end sets out the mouth of a river and sealing plug; described water temperature controlling mechanism is arranged on above described sealing cover body; described water temperature controlling mechanism comprises three-way pipe, and described three-way pipe Single port connects heating cavity by hot water valve, and another port connects refrigeration cavity by cold valves.
9. the insulation protection device of not oil-filled power system transformer as claimed in claim 1, is characterized in that: described sealing cover body arranges steam vent, and on described steam vent, activity arranges sealing plug.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510630758.8A CN105118648B (en) | 2015-09-29 | 2015-09-29 | The insulation protection device of not oil-filled power system transformer |
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| CN201510630758.8A CN105118648B (en) | 2015-09-29 | 2015-09-29 | The insulation protection device of not oil-filled power system transformer |
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| CN105118648B CN105118648B (en) | 2017-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111740339A (en) * | 2020-08-04 | 2020-10-02 | 南阳市鑫特电气有限公司 | Gas insulation type switch cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1047172A (en) * | 1989-09-18 | 1990-11-21 | 朱宝骅 | Outdoor all-around protection box type substation |
| US5220484A (en) * | 1991-02-14 | 1993-06-15 | Cosmo Seri | Underground transformer cabin consisting of two units, one inside 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 |
| CN103724937A (en) * | 2013-11-29 | 2014-04-16 | 国网河南省电力公司平顶山供电公司 | Special insulating material for cable slideway connector |
| 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
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047172A (en) * | 1989-09-18 | 1990-11-21 | 朱宝骅 | Outdoor all-around protection box type substation |
| US5220484A (en) * | 1991-02-14 | 1993-06-15 | Cosmo Seri | Underground transformer cabin consisting of two units, one inside 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 |
| CN103724937A (en) * | 2013-11-29 | 2014-04-16 | 国网河南省电力公司平顶山供电公司 | Special insulating material for cable slideway connector |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740339A (en) * | 2020-08-04 | 2020-10-02 | 南阳市鑫特电气有限公司 | Gas insulation type switch cabinet |
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| Publication number | Publication date |
|---|---|
| CN105118648B (en) | 2017-06-30 |
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