CN103523405B - With the using method of the Intelligent Dynamic sealed storage flow container of flexible capsule - Google Patents

With the using method of the Intelligent Dynamic sealed storage flow container of flexible capsule Download PDF

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Publication number
CN103523405B
CN103523405B CN201310511289.9A CN201310511289A CN103523405B CN 103523405 B CN103523405 B CN 103523405B CN 201310511289 A CN201310511289 A CN 201310511289A CN 103523405 B CN103523405 B CN 103523405B
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liquid
oil
receiver
electromagnetic valve
flexible capsule
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CN103523405A (en
Inventor
林晓铭
郑孝章
郑东升
叶强
郑良根
连鸿松
连文杰
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
State Grid Fujian Electric Power Co Ltd
Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
State Grid Fujian Electric Power Co Ltd
Nanping Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Publication of CN103523405A publication Critical patent/CN103523405A/en
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Abstract

The present invention relates to a kind of Intelligent Dynamic sealed storage flow container with flexible capsule and using method thereof, the top of described receiver is provided with inlet and drain, described inlet is provided with liquid inlet electromagnetic valve, described drain is provided with atmospheric valve, the bottom of described receiver is provided with liquid outlet, described liquid outlet is provided with liquid outlet electromagnetic valve and online moisture detector successively along fluid direction, described receiver is also provided with respiratory siphon and remote level indicator, be provided with in described receiver appearance by liquid the flexible capsule of surrounding, described flexible capsule inner chamber is communicated with ambient atmosphere by respiratory siphon, described liquid inlet electromagnetic valve, liquid outlet electromagnetic valve, online moisture detector and remote level indicator are electrically connected to control module respectively.The present invention utilizes the inner chamber of flexible capsule to be communicated with ambient atmosphere by respiratory siphon, and the respiration of flexible capsule plays the change in volume produced due to liquid level change in compensation, balance receiver, realizes dynamic seal (packing).

Description

With the using method of the Intelligent Dynamic sealed storage flow container of flexible capsule
Technical field
The present invention relates to a kind of Intelligent Dynamic sealed storage flow container with flexible capsule and using method thereof.
Background technology
Transformer oil at normal temperatures and pressures physicochemical property is more stable, density is about 0.86(Different sources, different oil is planted and had minute differences), but oil product deterioration can be caused at long-term solar ulatraviolet radiation and polar impurity pollution, on the impact of transformer oil electric property very greatly, the existence of water content in oil also aggravates the deterioration of oil product for moisture and oxygen.Transformer oil moisture-sensitive, special in rainy season or wet weather, as bad in sealed, tens tons of oil products could use after within several days, just making moist and need again processing, therefore take sealing means, prevent the intrusion of moisture, moisture, air, impurity etc. from being ensure transformer oil storage quality most important factor.Tradition storage liquid mode mainly contains following several:
The first, hold-up vessel cuts out all valves and opening storage: hold-up vessel cuts out all valves and opening storage usually, carrying out into and out of oil, or vent valve need be opened during body oil circulation process or uncap, to ensure to add, the work of draining the oil is able to normal operation, closes vent valve and opening again after end-of-job.Extraneous a large amount of moisture may be sucked when this mode works, and in container on oil product and pasta air keep in touch for a long time, easily make moist, be oxidized.
The second, use moisture absorption filler: receiver pasta upper air is by breathing with the connecting leg communicated with the external world installed and air, connecting leg is provided with the moisture absorption tank of moisture absorption filler (being generally silica gel, activated alumina or other hygroscopic fillers), and the moisture part of carrying secretly in air can be removed by hygroscopic fillers.This banking system is modal at present, uses this banking system better than first kind of way, but can not completely cut off air, and the hygroscopic fillers needing frequent replacing moisture absorption saturated.
The third, oil can is stored: 170kg standard barreled transformer oil or other similar oil can, sealing is kept at ordinary times by upper gland, but it is complex operation when carrying out adding, drain the oil and need carry out a large amount of oil processing work, consuming time and labour intensity is large, now oil product and outside air keep in touch, moisture-sensitive, and easily cause the environmental pollutions such as evaporating, emitting, dripping or leaking of liquid or gas.
These traditional transformer oil banking systems do not possess dynamic seal (packing) function above, cannot completely cut off air and moisture during work, can not for a long time, safety, Reliable guarantee store the quality of oil product.
Summary of the invention
The present invention is directed to above-mentioned prior art Problems existing and make improvement, namely technical problem to be solved by this invention be to provide a kind of use flexible capsule volume compensation be used for isolated air and moisture, energy is long-term, safety, reliable maintenance liquid storage quality, and can keep the Intelligent Dynamic sealed storage flow container with flexible capsule and the using method thereof of dynamic seal (packing) when carrying out liquid inlet and outlet and working.
In order to solve the problems of the technologies described above, technical scheme one of the present invention is: a kind of Intelligent Dynamic sealed storage flow container with flexible capsule, comprise receiver, the top of described receiver is provided with inlet and drain, described inlet is provided with liquid inlet electromagnetic valve, described drain is provided with atmospheric valve, the bottom of described receiver is provided with liquid outlet, described liquid outlet is provided with liquid outlet electromagnetic valve and online moisture detector successively along fluid direction, described receiver is also provided with respiratory siphon and remote level indicator, be provided with in described receiver appearance by liquid the flexible capsule of surrounding, described flexible capsule inner chamber is communicated with ambient atmosphere by respiratory siphon, described liquid inlet electromagnetic valve, liquid outlet electromagnetic valve, online moisture detector and remote level indicator are electrically connected to control module respectively.
In further technical scheme, described receiver is connected with the liquid treatment equipment controlled by control module, and described liquid treatment equipment comprises the Pump for giving-out be connected with inlet and the liquid feeding pump be connected with liquid outlet.
In further technical scheme, described flexible capsule is hung in receiver by lanyard.
In further technical scheme, described remote level indicator is electric contact magnetic flap level gauge.
In further technical scheme, described control module comprises high liquid automatic control circuit, low liquid automatic control circuit and fluid water content automatic control circuit.
In order to solve the problems of the technologies described above, technical scheme two of the present invention is: a kind of using method of the Intelligent Dynamic sealed storage flow container with flexible capsule: during (1) feed liquor, open liquid inlet electromagnetic valve, start feed liquor, along with the carrying out of feed liquor work, in receiver, liquid level rises gradually, head space diminishes, additional air is discharged in ambient atmosphere by respiratory siphon by compressing by flexible capsule, when feed liquor is to the high liquid level set, remote level indicator ON Action, control module closes liquid inlet electromagnetic valve automatically, feed liquor end-of-job, (2) during fluid, open liquid outlet electromagnetic valve, start fluid, along with the carrying out of fluid work, in receiver, liquid level declines gradually, head space becomes large, and flexible capsule sucks outside air by respiratory siphon and expands, and compensate for the space produced because liquid level declines in receiver, when fluid is to the low liquid level set, remote level indicator ON Action, control module closes liquid outlet electromagnetic valve automatically, fluid end-of-job, (3) during liquid-circulating process, open liquid inlet electromagnetic valve, liquid outlet electromagnetic valve and online moisture detector, along with the carrying out of liquid-circulating work for the treatment of, in receiver, liquid surface lifting causes flexible capsule to compress, expand, compensate, balance the change of ullage space pressure volume in receiver, after the water content in circulating fluid is up to standard by online moisture detector test, control module closes liquid inlet electromagnetic valve and liquid outlet electromagnetic valve automatically, liquid-circulating work disposal terminates, in whole processing procedure liquid all the time with isolate from outer air, reach the object of dynamic seal (packing) auto-controll operation.
In further technical scheme, after liquid-circulating process is qualified, open atmospheric valve, with vacuum pump, air on liquid level in receiver is extracted out, then close atmospheric valve.
Compared with prior art, the present invention has following beneficial effect: the present invention utilizes the inner chamber of flexible capsule to be communicated with ambient atmosphere by respiratory siphon, the respiration of flexible capsule plays the change in volume produced due to liquid level change in compensation, balance receiver, realizes dynamic seal (packing).So no matter institute's storing liquid is in Static storage state, or carrying out adding, the state such as tapping body, all can keep isolated with air and moisture and realize dynamic sealing operation, without the need to as traditional receiver carrying out adding, tapping body or liquid-circulating work time need open atmospheric valve or uncap and carry out.Also without the need to changing with frequent the intrusion that hygroscopic fillers reduces moisture and air by installing in the daily Static storage of liquid.Run owing to realizing dynamic seal (packing), in the storage of liquid with in using, can ensure that liquid physicochemical property and electric property do not change for a long time; Ensure long-term, the safe and reliable preservation of liquid energy; Realize ready access upon use, the environmental pollution that very big energy efficient, minimizing working strength and operating time, greatly minimizing evaporating, emitting, dripping or leaking of liquid or gas cause.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Accompanying drawing explanation
Fig. 1 is the dynamic seal (packing) schematic diagram of the present invention when body oil circulation process.
Fig. 2 is the dynamic seal (packing) schematic diagram of the present invention when carrying out oil-feed work.
Fig. 3 is the dynamic seal (packing) schematic diagram of the present invention when carrying out fuel-displaced work.
Fig. 4 is that the present invention vacuumizes schematic diagram to air on pasta in tank.
Fig. 5 is Based Intelligent Control theory diagram of the present invention.
In figure: 1-oil-feed pump, 2-remote level indicator, 3-liquid inlet electromagnetic valve, 4-receiver, 5-respiratory siphon, 6-flexible capsule, 7-atmospheric valve, 8-transformer oil, the online moisture detector of 9-, 10-liquid outlet electromagnetic valve, 11-oil outlet pump, 12-oil treatment equipment, 13-vacuum pump, 14-lanyard.
Embodiment
Intelligent Dynamic sealed storage flow container with flexible capsule of the present invention is applicable to be afraid of to make moist, be afraid of to be oxidized, the storage of liquid medium that keeps in dark place and operation, as the transformer oil that electric power system uses, below for transformer oil.
As shown in Fig. 1 ~ 5, a kind of Intelligent Dynamic sealed storage flow container with flexible capsule, comprise receiver 4, the top of described receiver 4 is provided with inlet and drain, described inlet is provided with liquid inlet electromagnetic valve 3, described drain is provided with atmospheric valve 7, the bottom of described receiver 4 is provided with liquid outlet, described liquid outlet is provided with liquid outlet electromagnetic valve 10 and online moisture detector 9 successively along fluid direction, described receiver 4 is also provided with respiratory siphon 5 and remote level indicator 2, be provided with in described receiver 4 appearance by oil product the flexible capsule 6 of surrounding, described flexible capsule 6 inner chamber to be passed to mutually with ambient atmosphere by respiratory siphon 5 and plays respiration, described liquid inlet electromagnetic valve 3, liquid outlet electromagnetic valve 10, online moisture detector 9 and remote level indicator 2 are electrically connected to control module respectively.
In the present embodiment, described flexible capsule 6 is by the oil resistant rubber of high-quality, and as the produced with combination such as acrylonitrile-butadiene rubber, cord fabric thread, or by other applicable institute storing liquid medium, and elasticity, good toughness, the high-quality macromolecular material that intensity is high makes; In daily storage when difference variation, the breathe air effect of flexible capsule 6 balances the change of pasta upper space volume, pressure in receiver 4.When receiver 4 is when carrying out oil-feed, fuel-displaced and body oil circulation works, oil level generation acute variation in receiver 4, cause being enclosed in the air compressing in the oil product of flexible capsule 6 appearance and receiver 4 on pasta or pull flexible capsule 6, now flexible capsule 6 inner chamber and outside air frequently strengthen breathing, increase flexible volume change, play compensation, balanced action, thus realize receiver 4 and carrying out oil-feed, fuel-displaced work and without the need to opening atmospheric valve 7 or other emptying device, isolated oil product contacts with ambient atmosphere, reaches dynamic sealing operation object.
In the present embodiment, when carrying out body oil circulation work, described receiver 4 is externally connected to the liquid treatment equipment controlled by control module, described liquid treatment equipment is oil treatment equipment 12, described oil treatment equipment 12 comprises the oil outlet pump be connected with inlet and the oil-feed pump be connected with liquid outlet, the oil of described oil treatment equipment 12 to institute's circular treatment heats, vacuumizes process, to extract water content in oil out more completely, because the water boiling point under vacuum state is low, therefore heating-up temperature is without the need to 100 DEG C, and namely water vaporize.Described flexible capsule 6 hangs in receiver 4 by lanyard 14; Described remote level indicator 2 is electric contact magnetic flap level gauge, when carrying out working into and out of oil, when oil level in receiver 4 exceed or lower than oil level settings time, automatically close liquid inlet and outlet electromagnetically operated valve and into and out of oil pump.
In the present embodiment, described control module comprises high liquid automatic control circuit, low liquid automatic control circuit and fluid water content automatic control circuit, described online moisture detector 9 is closed condition usually, by when in oil treatment equipment 12 pairs of receivers 4, oil product carries out circular treatment, open online moisture detector 9, automatically can control the action of oil treatment equipment 12 and liquid inlet and outlet electromagnetically operated valve according to the fuel-displaced water content detected.
The using method of the Intelligent Dynamic sealed storage flow container with flexible capsule of the present invention is as follows:
During oil-feed, open the oil-feed pump 1 on liquid inlet electromagnetic valve 3 and oil inlet pipe, start oil-feed, along with the carrying out of oil-feed work, in receiver 4, pasta rises gradually, on pasta, space diminishes, additional air is discharged in ambient atmosphere by respiratory siphon 5 by compressing by flexible capsule 6, when oil-feed is to the high oil level set, and remote level indicator 2 ON Action, control module closes the oil-feed pump 1 on liquid inlet electromagnetic valve 3 and oil inlet pipe automatically, oil-feed end-of-job.
Time fuel-displaced, open the oil outlet pump 11 on liquid outlet electromagnetic valve 10 and flowline, start fuel-displaced, along with the carrying out of fuel-displaced work, in receiver 4, pasta declines gradually, on pasta, space becomes large, and flexible capsule 6 sucks outside air by respiratory siphon 5 and expands, and compensate for the space produced because oil level declines in receiver 4, when the fuel-displaced low oil level to setting, remote level indicator 2 ON Action, control module closes the oil outlet pump 11 on liquid outlet electromagnetic valve 10 and flowline automatically, fuel-displaced end-of-job.
During body oil circulation process, first open the oil-feed pump of liquid outlet electromagnetic valve 10 and oil treatment equipment 12, open the oil outlet pump of liquid inlet electromagnetic valve 3 and oil treatment equipment 12 again, oil treatment equipment 12 pairs of oil products carry out heating and vacuumize process, open online moisture detector 9 simultaneously, along with the carrying out of recycle oil treatment facility work, in receiver 4, pasta lifting causes flexible capsule 6 to compress, expand, compensate, balance the change of pasta upper space pressure volume in receiver 4, after the water content in circular treatment oil reaches online moisture tester testing standard, control module is automatically closed oil treatment equipment 12 and is entered, liquid outlet electromagnetic valve, oil processing end-of-job, in whole processing procedure oil product all the time with isolate from outer air, reach the object of dynamic seal (packing) auto-controll operation.
In order to reduce the contact of oil product and air in receiver 4 as far as possible, after utilization oil treatment equipment 12 carries out the good qualified transformer oil 8 of circular treatment, open atmospheric valve 7, with vacuum pump 13, air on pasta in receiver 4 is extracted out, then close atmospheric valve 7.
The present invention utilizes the inner chamber of flexible capsule 6 to be communicated with ambient atmosphere by respiratory siphon 5, and the respiration of flexible capsule 6 plays the change in volume produced due to oil level change in compensation, balance receiver 4, realizes dynamic seal (packing).So no matter institute's store oil is in Static storage state, or carrying out states such as adding, drain the oil, all can keep isolated with air and moisture and realize dynamic sealing operation, without the need to as traditional receiver 4 carrying out adding, drain the oil or body oil circulation works time need open atmospheric valve 7 or uncap and carry out.Also without the need to changing with frequent the intrusion that hygroscopic fillers reduces moisture and air by installing in the daily Static storage of oil product.Run owing to realizing dynamic seal (packing), in the storage of power system transformer oil with in using, can ensure that oil product physicochemical property and electric property do not change for a long time; Ensure transformer oil and long-term, the safe and reliable preservation of extra-high tension unit oil energy; Realize ready access upon use, the environmental pollution that very big energy efficient, minimizing working strength and operating time, greatly minimizing evaporating, emitting, dripping or leaking of liquid or gas cause.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (1)

1. the using method with the Intelligent Dynamic sealed storage flow container of flexible capsule, it is characterized in that: the described Intelligent Dynamic sealed storage flow container with flexible capsule comprises receiver, the top of described receiver is provided with inlet and drain, described inlet is provided with liquid inlet electromagnetic valve, described drain is provided with atmospheric valve, the bottom of described receiver is provided with liquid outlet, described liquid outlet is provided with liquid outlet electromagnetic valve and online moisture detector successively along fluid direction, described receiver is also provided with respiratory siphon and remote level indicator, described remote level indicator is electric contact magnetic flap level gauge, be provided with in described receiver appearance by liquid the flexible capsule of surrounding, described liquid is transformer oil, described flexible capsule hangs in receiver by lanyard, described flexible capsule inner chamber is communicated with ambient atmosphere by respiratory siphon, described liquid inlet electromagnetic valve, liquid outlet electromagnetic valve, online moisture detector and remote level indicator are electrically connected to control module respectively, described control module comprises high liquid automatic control circuit, low liquid automatic control circuit and fluid water content automatic control circuit, described receiver is connected with the liquid treatment equipment controlled by control module, described liquid treatment equipment is for heating, vacuumizing process with the oil treatment equipment extracting water content in oil completely out to the oil of institute's circular treatment, described liquid treatment equipment comprises the Pump for giving-out be connected with inlet and the liquid feeding pump be connected with liquid outlet, (1) during feed liquor, open the oil-feed pump on liquid inlet electromagnetic valve and oil inlet pipe, start feed liquor, along with the carrying out of feed liquor work, in receiver, liquid level rises gradually, head space diminishes, additional air is discharged in ambient atmosphere by respiratory siphon by compressing by flexible capsule, when feed liquor is to the high liquid level set, and remote level indicator ON Action, control module closes the oil-feed pump on liquid inlet electromagnetic valve and oil inlet pipe automatically, feed liquor end-of-job, (2) during fluid, open the oil outlet pump on liquid outlet electromagnetic valve and flowline, start fluid, along with the carrying out of fluid work, in receiver, liquid level declines gradually, head space becomes large, and flexible capsule sucks outside air by respiratory siphon and expands, and compensate for the space produced because liquid level declines in receiver, when fluid is to the low liquid level set, remote level indicator ON Action, control module closes the oil outlet pump on liquid outlet electromagnetic valve and flowline automatically, fluid end-of-job, (3) during liquid-circulating process, first open the liquid feeding pump of liquid outlet electromagnetic valve and liquid treatment equipment, open the Pump for giving-out of liquid inlet electromagnetic valve and liquid treatment equipment again, liquid treatment equipment carries out heating to oil product and vacuumizes process, open online moisture detector simultaneously, along with the carrying out of liquid-circulating work for the treatment of, in receiver, liquid surface lifting causes flexible capsule to compress, expand, compensate, balance the change of ullage space pressure volume in receiver, after the water content in circulating fluid is up to standard by online moisture detector test, the automatic closing liquid treatment facility of control module, liquid inlet electromagnetic valve and liquid outlet electromagnetic valve, after liquid-circulating process is qualified, open atmospheric valve, with vacuum pump, air on liquid level in receiver is extracted out, then close atmospheric valve, liquid-circulating work for the treatment of terminates, in whole processing procedure liquid all the time with isolate from outer air, reach the object of dynamic seal (packing) auto-controll operation.
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