CN110898460A - Automatic purifying device for transformer insulating oil adsorbent and using method - Google Patents
Automatic purifying device for transformer insulating oil adsorbent and using method Download PDFInfo
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- CN110898460A CN110898460A CN201911083518.5A CN201911083518A CN110898460A CN 110898460 A CN110898460 A CN 110898460A CN 201911083518 A CN201911083518 A CN 201911083518A CN 110898460 A CN110898460 A CN 110898460A
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Abstract
The invention discloses an automatic purifying device of transformer insulating oil adsorbent and a using method thereof, comprising a tank body, a gas circuit system, an oil circuit system, an adsorption device and an electric heater; the gas path system vertically penetrates through the tank body and is matched with the tank body; the oil way system horizontally penetrates through the tank body and is matched with the tank body; the adsorption device is connected inside the tank body, and an adsorbent is placed inside the adsorption device; the electric heater is arranged on the top of the tank body and is connected and matched with the thermal resistor; the thermal resistance is arranged inside the adsorption device and is in contact fit with the adsorbent. The device installs heating device additional in the adsorbent, sets up high accuracy pressure sensor at the oil circuit mouth of pipe, links up pressure variation and the impurity volume in the adsorbent through the experiment, and automatic control through the data support heats the burning to the impurity in the adsorbent, has solved prior art unable online work, can only shut down the problem of dismantling and changing the adsorbent, has degree of automation height, can clear up impurity on line, greatly reduced intensity of labour's characteristics.
Description
Technical Field
The invention belongs to the field of power station insulating oil treatment equipment, and particularly relates to an automatic purifying device for transformer insulating oil adsorbent and a using method thereof.
Background
In an electric power system, a substation is an oil consumer. The main waste of the substation contains the waste transformer oil. With the increasing environmental requirements, the complexity and ambiguity of the major hazardous substances in waste oils and the increasing dosage of toxic additives, the treatment and regeneration of oils are limited. At present, the scrapping of seriously degraded transformer oil in China lacks a unified evaluation method and standard, the scrapping of different types and different degradation degrees, the failure of the transformer oil lacks scientific classification and grading management, the harmfulness of the returned transformer oil to the environment lacks correct knowledge, and the further recycling and safe disposal of the oil are seriously influenced and restricted.
The method for treating the deteriorated transformer oil in China mostly adopts the traditional acid-alkali clay method for regeneration, and the method is labor-consuming and time-consuming and pollutes the environment. In the existing advanced treatment methods, various adsorbents or adsorption devices are usually adopted to adsorb and remove impurities from the insulating oil.
For example, the XDK adsorbent adsorption treatment degraded transformer oil technology disclosed in the invention patent with the patent number of CN 101406824A adopts a novel adsorbent to carry out impurity adsorption treatment on insulating oil; for example, patent No. CN 2589048Y discloses an electrical purification device for insulating oil, which adopts an electrical purification device, and a dust-collecting synthetic fiber is arranged in the electrical purification device as a dust-removing medium, and impurities in the insulating oil are adsorbed by electrifying; for another example, patent No. CN 208131261U discloses an insulating oil purification treatment system that adsorbs impurities by a magnetic device, and the impurities are adsorbed and collected by a magnetic force through an adsorption device with magnetism.
However, the above designs all have the same problem that the adsorbent or the adsorption device adsorbs a large amount of impurities in the working process as the operation time increases, thereby causing the reduction of the adsorption efficiency and even the complete failure. And above-mentioned design all can't provide the online clearance impurity that does not shut down, need shut down, unpacks the device apart, artificially changes the adsorbent, perhaps clears up the adsorption equipment, handles like this and not only wastes time and energy, causes the material extravagant, has still caused a large amount of processes to pile up, influences the normal operating of transformer. Therefore, it is necessary to design a device to monitor the working state of the adsorbent and automatically purify the adsorbent, and to purify the adsorbent or clean the adsorption device on line without stopping the device.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic purifying device for transformer insulating oil adsorbent and a using method thereof.
In order to realize the design, the technical scheme adopted by the invention is as follows: an automatic purifying device of transformer insulating oil adsorbent, which comprises a tank body, an air path system, an oil path system, an adsorption device and an electric heater; the gas path system vertically penetrates through the interior of the tank body and is matched with the tank body; the oil way system penetrates through the tank body in the horizontal direction and is matched with the tank body; the adsorption device is connected inside the tank body, and an adsorbent is placed inside the adsorption device; the electric heater is arranged on the top of the tank body and is connected and matched with the thermal resistor; the thermal resistance is arranged inside the adsorption device and is in contact fit with the adsorbent.
The tank body is of a hollow cuboid structure, and the front side surface of the tank body is connected with a convex heat dissipation plate.
The gas path system comprises a gas inlet pipe, a suction pump and a gas outlet pipe; the air inlet pipe is connected with the upper surface of the tank body, the air inlet end of the air pump is connected with the lower surface of the tank body, and the air outlet pipe is connected with the air outlet end of the air pump.
The cross section of the air inlet pipe is provided with a filter screen.
One end of the exhaust pipe is connected with the dust remover.
The oil way system comprises an oil inlet pipe and an oil outlet pipe; the oil inlet pipe is connected to one side of the tank body, and the oil outlet pipe is connected to the other side, opposite to the tank body, of the tank body.
The adsorption device comprises a rectangular area formed by the surrounding of the screen plates; one side of the screen plate is connected with a vibrating motor, and the top of the vibrating motor is connected with the inner wall of the tank body.
Valves are arranged on the gas path system and the oil path system; a first pressure sensor is arranged in the pipe orifice of the oil inlet pipe, and a second pressure sensor is arranged in the pipe orifice of the oil outlet pipe.
The upper surface of the tank body is connected with a controller; the first pressure sensor and the second pressure sensor are connected with the input end of the controller; the electric heater and the vibration motor are connected with the output end of the controller.
The use method of the automatic purifying device for the transformer insulating oil adsorbent comprises the following steps:
s1, through experiments, the content of impurities in the adsorbent is related to the pressure values of the oil inlet and the oil outlet, and a correlation function is established, so that a correlation sensor and a controller are set;
s2, when the air conditioner runs normally, the air inlet and the air outlet are closed; judging whether adsorbent purification is needed or not according to the difference value of the pressure at the oil inlet pipe and the pressure at the oil outlet pipe;
s3, when purification is needed, closing the valve of the oil inlet pipe, opening the air inlet pipe, pumping the insulating oil in the tank body, and then closing the valve of the oil outlet pipe;
s4, opening the air pump to fill the tank with air, and then closing the air inlet pipe and the air pump;
s5, turning on the electric heater, and setting the heating temperature to be lower than the burning point or the melting point of the adsorbent material; impurities in the adsorbent are heated and incinerated through the thermal resistor, after a certain time, the heater is turned off, and heat dissipation and cooling can be accelerated through the heat dissipation plate;
s6, opening the air inlet pipe, the air pump and the exhaust pipe, simultaneously enabling the vibration motor to start working, shaking off combustion ash and smoke dust in the adsorption device, pumping out the ash and smoke dust from the tank body through the air path system, and entering a dust remover for collection;
and S7, closing the valve of the gas circuit system, and opening the valve of the oil inlet pipe and the valve of the oil outlet pipe to ensure that the tank body is connected with the insulating oil again for purification cycle work.
An automatic purifying device of transformer insulating oil adsorbent, which comprises a tank body, an air path system, an oil path system, an adsorption device and an electric heater; the gas path system vertically penetrates through the interior of the tank body and is matched with the tank body; the oil way system penetrates through the tank body in the horizontal direction and is matched with the tank body; the adsorption device is connected inside the tank body, and an adsorbent is placed inside the adsorption device; the electric heater is arranged on the top of the tank body and is connected and matched with the thermal resistor; the thermal resistance is arranged inside the adsorption device and is in contact fit with the adsorbent. The device installs heating device additional in the adsorbent, sets up the pressure sensor of high accuracy at the oil circuit mouth of pipe, links up pressure variation and the impurity volume in the adsorbent through the experiment, through the automatic control that the data supported, heats the burning to the impurity in the adsorbent, and degree of automation is high, can clear up impurity on line, greatly reduced intensity of labour.
In a preferred scheme, the tank body is of a hollow cuboid structure, and a convex heat dissipation plate is connected to the front side surface of the tank body. Simple structure, during the use, the heating panel is used for heating the faster heat dissipation after burning, avoids jar internal portion high temperature to influence the reinjection into of insulating oil.
In a preferred scheme, the gas path system comprises a gas inlet pipe, a suction pump and a gas outlet pipe; the air inlet pipe is connected with the upper surface of the tank body, the air inlet end of the air pump is connected with the lower surface of the tank body, and the air outlet pipe is connected with the air outlet end of the air pump. The structure is simple, when in use, the air inlet pipe is used for sucking air, so that enough oxygen is available in the tank body for the combustion of impurities; the air pump is used for pumping air and also has the function of pumping the burnt impurities out of the exhaust pipe.
In a preferred scheme, a filter screen is arranged on the cross section of the air inlet pipe. Simple structure, during the use, the foreign particle in the filter screen can effective separation outside gas has improved the effect of edulcoration work.
In a preferred scheme, one end of the exhaust pipe is connected with the dust remover. The structure is simple, and when the dust collector is used, a blue YL-3001A dust recovery device is preferably selected; the smoke and dust and the ash after burning are pumped out by the exhaust pipe and enter the dust remover for treatment, thereby preventing the direct discharge from entering the atmosphere to cause environmental pollution and improving the environmental protection of the device.
In a preferred scheme, the oil way system comprises an oil inlet pipe and an oil outlet pipe; the oil inlet pipe is connected to one side of the tank body, and the oil outlet pipe is connected to the other side, opposite to the tank body, of the tank body. Simple structure, during the use, when needs carry out the adsorbent and purify, close into oil pipe, take out inside insulating oil from going out oil pipe, burn the operation for the heating and provide operational environment.
In a preferred embodiment, the adsorption means comprises a rectangular area surrounded by a mesh plate. Simple structure, during the use, the otter board sets up the mesh of suitable size, can make insulating oil permeate through, prevents simultaneously that the adsorbent from spilling to in the insulating oil.
In a preferred scheme, one side of the screen plate is connected with a vibration motor, and the top of the vibration motor is connected with the inner wall of the tank body. The structure is simple, and when the vibration motor is used, the vibration motor is in an RF-385 model; the vibrating motor is matched with the electric heater for use, and can vibrate while heating, thereby being beneficial to falling out of ash dust from the screen plate and being beneficial to the implementation of impurity removal work.
In the preferred scheme, valves are arranged on the gas path system and the oil path system; a first pressure sensor is arranged in the pipe orifice of the oil inlet pipe, and a second pressure sensor is arranged in the pipe orifice of the oil outlet pipe. The structure is simple, and when the oil pressure sensor is used, the JY-P300 oil pressure sensor is selected as the sensor; when the content of impurities in the adsorbent is increased, the insulating oil pressure value of an oil pipeline is correspondingly changed, the change rule is determined through experiments, and the pressure value is set; when the pressure value reaches a set value, the valve of the oil way system is controlled to be closed, heating, burning and dust removing are carried out after oil pumping, the automation degree is high, the tank body does not need to be disassembled to replace the adsorbent, and the adsorbent is automatically purified on line without stopping.
In a preferred scheme, the upper surface of the tank body is connected with a controller; the first pressure sensor and the second pressure sensor are connected with the input end of the controller; the electric heater and the vibration motor are connected with the output end of the controller. The structure is simple, and when the controller is used, the Siemens S7-300 PLC controller is selected as the controller, and keyboard equipment and a display can be optionally installed to be matched with the controller.
In a preferred embodiment, the method for using the transformer insulating oil adsorbent automatic purification device comprises the following steps:
s1, through experiments, the content of impurities in the adsorbent is related to the pressure values of the oil inlet and the oil outlet, and a correlation function is established, so that a correlation sensor and a controller are set;
s2, when the air conditioner runs normally, the air inlet and the air outlet are closed; judging whether adsorbent purification is needed or not according to the difference value of the pressure at the oil inlet pipe and the pressure at the oil outlet pipe;
s3, when purification is needed, closing the valve of the oil inlet pipe, opening the air inlet pipe, pumping the insulating oil in the tank body, and then closing the valve of the oil outlet pipe;
s4, opening the air pump to fill the tank with air, and then closing the air inlet pipe and the air pump;
s5, turning on the electric heater, and setting the heating temperature to be lower than the burning point or the melting point of the adsorbent material; impurities in the adsorbent are heated and incinerated through the thermal resistor, after a certain time, the heater is turned off, and heat dissipation and cooling can be accelerated through the heat dissipation plate;
s6, opening the air inlet pipe, the air pump and the exhaust pipe, simultaneously enabling the vibration motor to start working, shaking off combustion ash and smoke dust in the adsorption device, pumping out the ash and smoke dust from the tank body through the air path system, and entering a dust remover for collection;
and S7, closing the valve of the gas circuit system, and opening the valve of the oil inlet pipe and the valve of the oil outlet pipe to ensure that the tank body is connected with the insulating oil again for purification cycle work.
An automatic purifying device of transformer insulating oil adsorbent and a using method thereof, which comprises a tank body, an air path system, an oil path system, an adsorption device and an electric heater; the gas path system vertically penetrates through the interior of the tank body and is matched with the tank body; the oil way system penetrates through the tank body in the horizontal direction and is matched with the tank body; the adsorption device is connected inside the tank body, and an adsorbent is placed inside the adsorption device; the electric heater is arranged on the top of the tank body and is connected and matched with the thermal resistor; the thermal resistance is arranged inside the adsorption device and is in contact fit with the adsorbent. The device installs heating device additional in the adsorbent, sets up the pressure sensor of high accuracy at the oil circuit mouth of pipe, links up pressure variation and the impurity volume in the adsorbent through the experiment, through the automatic control that the data supported, heats the burning to the impurity in the adsorbent, has solved prior art unable online work, can only shut down and dismantle and change the problem of adsorbent, has degree of automation height, can clear up impurity on line, greatly reduced intensity of labour's characteristics.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention.
Fig. 2 is a schematic front view of the internal structure of the present invention.
FIG. 3 is a schematic view of the adsorption apparatus according to the present invention.
Fig. 4 is a schematic diagram of a wiring diagram and a ladder diagram of the controller according to the present invention.
FIG. 5 is a table of experimental data showing the variation of the impurity content of the adsorbent and the pressure value in accordance with the present invention.
FIG. 6 is a graph showing the relationship between the content of impurities in the adsorbent and the change in pressure value in the present invention.
The reference numbers in the figures are: the vacuum cleaner comprises a tank body 1, a heat dissipation plate 11, an air inlet pipe 21, an air suction pump 22, an air exhaust pipe 23, a filter screen 24, an oil inlet pipe 31, an oil outlet pipe 32, an adsorption device 4, a screen plate 41, an electric heater 5, a thermal resistor 51, a dust remover 6, a vibration motor 7, a first pressure sensor 81, a second pressure sensor 82 and a controller 9.
Detailed Description
As shown in fig. 1-6, an automatic purifying device for transformer insulating oil adsorbent comprises a tank 1, an air path system, an oil path system, an adsorption device 4 and an electric heater 5; the gas path system vertically penetrates through the interior of the tank body 1 and is matched with the tank body 1; the oil way system horizontally penetrates through the tank body 1 and is matched with the tank body 1; the adsorption device 4 is connected inside the tank body 1, and an adsorbent is placed inside the adsorption device 4; the electric heater 5 is arranged on the top of the tank body 1 and is connected and matched with the thermal resistor 51; the thermal resistor 51 is disposed inside the adsorption device 4 and is in contact with the adsorbent. The device installs heating device additional in the adsorbent, sets up the pressure sensor of high accuracy at the oil circuit mouth of pipe, links up pressure variation and the impurity volume in the adsorbent through the experiment, through the automatic control that the data supported, heats the burning to the impurity in the adsorbent, and degree of automation is high, can clear up impurity on line, greatly reduced intensity of labour.
In a preferred scheme, the tank body 1 is of a hollow cuboid structure, and a convex heat dissipation plate 11 is connected to the front side surface. Simple structure, during the use, heating panel 11 is used for heating the faster heat dissipation of burning the end back, avoids jar 1 inside high temperature to influence the reinjection into of insulating oil.
In the preferred scheme, the gas path system comprises a gas inlet pipe 21, a suction pump 22 and a gas outlet pipe 23; the air inlet pipe 21 is connected with the upper surface of the tank body 1, the air inlet end of the air pump 22 is connected with the lower surface of the tank body 1, and the air outlet pipe 23 is connected with the air outlet end of the air pump 22. The structure is simple, when in use, the air inlet pipe 21 is used for sucking air, so that enough oxygen is available in the tank body 1 for the combustion of impurities; the suction pump 22 serves both to draw in air and to draw out burned impurities from the exhaust pipe 23.
In a preferred scheme, a filter screen 24 is arranged on the cross section of the air inlet pipe 21. Simple structure, during the use, filter screen 24 can effectively the separation foreign particles in the outside gas, has improved the effect of edulcoration work.
In a preferred scheme, one end of the exhaust pipe 23 is connected with the dust remover 6. The structure is simple, and when the dust remover is used, the dust remover 6 adopts a blue YL-3001A dust recovery device; the smoke and ash after burning are extracted by the exhaust pipe 23 and enter the dust remover 6 for treatment, thus preventing the direct discharge into the atmosphere to cause environmental pollution and improving the environmental protection of the device.
In a preferred scheme, the oil path system comprises an oil inlet pipe 31 and an oil outlet pipe 32; the oil inlet pipe 31 is connected to one side of the tank body 1, and the oil outlet pipe 32 is connected to the opposite side of the tank body 1. Simple structure, during the use, when needs carry out the adsorbent and purify, close into oil pipe 31, take out inside insulating oil from oil pipe 32, burn the operation for the heating and provide operational environment.
In a preferred embodiment, the adsorption device 4 comprises a rectangular area surrounded by the mesh plate 41. Simple structure, during the use, otter board 41 sets up the mesh of suitable size, can make insulating oil permeate through, prevents simultaneously that the adsorbent from leaking to in the insulating oil.
In a preferred scheme, one side of the mesh plate 41 is connected with a vibration motor 7, and the top of the vibration motor 7 is connected with the inner wall of the tank body 1. The structure is simple, and when the vibration motor 7 is used, the RF-385 model is selected; the vibration motor 7 is used in cooperation with the electric heater 5, and vibrates while heating, so that ash dust can fall out of the screen plate 41, and impurity removal can be performed conveniently.
In the preferred scheme, valves are arranged on the gas path system and the oil path system; a first pressure sensor 81 is arranged in the pipe orifice of the oil inlet pipe 31, and a second pressure sensor 82 is arranged in the pipe orifice of the oil outlet pipe 32. The structure is simple, and when the oil pressure sensor is used, the JY-P300 oil pressure sensor is selected as the sensor; when the content of impurities in the adsorbent is increased, the insulating oil pressure value of an oil pipeline is correspondingly changed, the change rule is determined through experiments, and the pressure value is set; when the pressure value reaches the set value, the valve of the closed oil circuit system is controlled, heating, burning and dust removing are carried out after oil pumping, the automation degree is high, the tank body 1 does not need to be disassembled to replace the adsorbent, and the adsorbent is automatically purified on line without stopping.
In the preferred scheme, the upper surface of the tank body 1 is connected with a controller 9; the first pressure sensor 81 and the second pressure sensor 82 are connected to the input of the controller 9; the electric heater 5 and the vibration motor 7 are connected to an output terminal of the controller 9. The structure is simple, when in use, the controller 9 selects a Siemens S7-300 PLC controller, and keyboard equipment and a display can be optionally installed to be matched with the controller.
In a preferred embodiment, the method for using the transformer insulating oil adsorbent automatic purification device comprises the following steps:
s1, through experiments, the content of impurities in the adsorbent is related to the pressure values of the oil inlet and the oil outlet, and a correlation function is established, so that the correlation sensor and the controller 9 are set;
s2, when the air conditioner runs normally, the air inlet and the air outlet are closed; judging whether adsorbent purification is needed or not according to the difference value of the pressure at the oil inlet pipe 31 and the pressure at the oil outlet pipe 32;
s3, when purification is needed, closing the valve of the oil inlet pipe 31, opening the air inlet pipe 21, pumping the insulating oil in the tank body 1, and then closing the valve of the oil outlet pipe 32;
s4, opening the air extracting pump 22 to fill the tank body 1 with air, and then closing the air inlet pipe 21 and the air extracting pump 22;
s5, turning on the electric heater 5, and setting the heating temperature to be lower than the burning point or the melting point of the adsorbent material; impurities in the adsorbent are heated and incinerated through the thermal resistor 51, after a certain time, the heater is turned off, and heat dissipation and cooling can be accelerated through the heat dissipation plate 11;
s6, opening the air inlet pipe 21, the air suction pump 22 and the exhaust pipe 23, simultaneously enabling the vibration motor 7 to start working, shaking off combustion ash and smoke dust in the adsorption device 4, pumping the combustion ash and smoke dust out of the tank body 1 through the air path system, and enabling the combustion ash and smoke dust to enter the dust remover 6 for collection;
s7, closing the valve of the gas circuit system, opening the valve of the oil inlet pipe 31 and the valve of the oil outlet pipe 32, and making the tank body 1 access the insulating oil purification cycle again.
When the automatic purifying device for the transformer insulating oil adsorbent is installed and used, the gas path system vertically penetrates through the interior of the tank body 1 and is matched with the tank body 1; the oil way system horizontally penetrates through the tank body 1 and is matched with the tank body 1; the adsorption device 4 is connected inside the tank body 1, and an adsorbent is placed inside the adsorption device 4; the electric heater 5 is arranged on the top of the tank body 1 and is connected and matched with the thermal resistor 51; the thermal resistor 51 is disposed inside the adsorption device 4 and is in contact with the adsorbent. The device installs heating device additional in the adsorbent, sets up the pressure sensor of high accuracy at the oil circuit mouth of pipe, links up pressure variation and the impurity volume in the adsorbent through the experiment, through the automatic control that the data supported, heats the burning to the impurity in the adsorbent, and degree of automation is high, can clear up impurity on line, greatly reduced intensity of labour.
During the use, jar body 1 is the cavity cuboid structure, and the front side surface is connected with bellied heating panel 11, and heating panel 11 is used for heating the faster heat dissipation after burning, avoids jar body 1 inside high temperature to influence the reinjection into of insulating oil.
When in use, the gas path system comprises a gas inlet pipe 21, a suction pump 22 and a gas outlet pipe 23; the air inlet pipe 21 is connected with the upper surface of the tank body 1, the air inlet end of the air pump 22 is connected with the lower surface of the tank body 1, the air outlet pipe 23 is connected with the air outlet end of the air pump 22, and the air inlet pipe 21 is used for sucking air so that enough oxygen is available in the tank body 1 for impurity combustion; the suction pump 22 serves both to draw in air and to draw out burned impurities from the exhaust pipe 23.
During the use, intake pipe 21 section facial make-up is equipped with filter screen 24, and filter screen 24 can effectively the separation foreign particles in the outside gas, has improved the effect of edulcoration work.
When in use, one end of the exhaust pipe 23 is connected with the dust remover 6, and the dust remover 6 adopts a proper blue YL-3001A dust recovery device; the smoke and ash after burning are extracted by the exhaust pipe 23 and enter the dust remover 6 for treatment, thus preventing the direct discharge into the atmosphere to cause environmental pollution and improving the environmental protection of the device.
When in use, the oil circuit system comprises an oil inlet pipe 31 and an oil outlet pipe 32; the oil inlet pipe 31 is connected to one side of the tank body 1, the oil outlet pipe 32 is connected to the other side of the tank body 1 opposite to the other side, when adsorbent purification is required, the oil inlet pipe 31 is closed, and the insulating oil in the oil outlet pipe 32 is pumped out, so that a working environment is provided for heating and incineration operation.
When in use, the adsorption device 4 comprises a rectangular area surrounded by the screen plate 41, and the screen plate 41 is provided with meshes with proper sizes, so that the insulating oil can permeate through the mesh, and meanwhile, the adsorbent is prevented from leaking into the insulating oil.
When the tank is used, one side of the screen plate 41 is connected with a vibration motor 7, the top of the vibration motor 7 is connected with the inner wall of the tank body 1, and the vibration motor 7 is in an RF-385 model; the vibration motor 7 is used in cooperation with the electric heater 5, and vibrates while heating, so that ash dust can fall out of the screen plate 41, and impurity removal can be performed conveniently.
When in use, the gas path system and the oil path system are both provided with valves; a first pressure sensor 81 is arranged in the pipe orifice of the oil inlet pipe 31, a second pressure sensor 82 is arranged in the pipe orifice of the oil outlet pipe 32, and the sensors are JY-P300 oil pressure sensors; when the content of impurities in the adsorbent is increased, the insulating oil pressure value of an oil pipeline is correspondingly changed, the change rule is determined through experiments, and the pressure value is set; when the pressure value reaches the set value, the valve of the closed oil circuit system is controlled, heating, burning and dust removing are carried out after oil pumping, the automation degree is high, the tank body 1 does not need to be disassembled to replace the adsorbent, and the adsorbent is automatically purified on line without stopping.
When in use, the upper surface of the tank body 1 is connected with a controller 9; the first pressure sensor 81 and the second pressure sensor 82 are connected to the input of the controller 9; the electric heater 5 and the vibration motor 7 are connected with the output end of the controller 9, and the controller 9 is a Siemens S7-300 PLC controller which can be optionally provided with a keyboard device and a display to be matched with the controller.
When the device is used, through experiments, the content of impurities in the adsorbent is related to the pressure values of the oil inlet and the oil outlet, a correlation function is established, and a correlation sensor and the controller 9 are set; when the air conditioner operates normally, the air inlet and the air outlet are closed; judging whether adsorbent purification is needed or not according to the difference value of the pressure at the oil inlet pipe 31 and the pressure at the oil outlet pipe 32; when purification is required, the valve of the oil inlet pipe 31 is closed, the air inlet pipe 21 is opened, the insulating oil in the tank body 1 is pumped, and then the valve of the oil outlet pipe 32 is closed; then, the air suction pump 22 is opened to fill the inside of the tank body 1 with air, and then the air inlet pipe 21 and the air suction pump 22 are closed; then, the electric heater 5 is started, and the heating temperature is set to be lower than the burning point or the melting point of the adsorbent material; impurities in the adsorbent are heated and incinerated through the thermal resistor 51, after a certain time, the heater is turned off, and heat dissipation and cooling can be accelerated through the heat dissipation plate 11; then, opening an air inlet pipe 21, an air suction pump 22 and an exhaust pipe 23, simultaneously enabling a vibration motor 7 to work, shaking off combustion ash and smoke dust in the adsorption device 4, pumping out the combustion ash and smoke dust from the tank body 1 through an air path system, and enabling the combustion ash and smoke dust to enter a dust remover 6 for collection treatment; after the purification is completed, the valve of the gas path system is closed, and the valve of the oil inlet pipe 31 and the valve of the oil outlet pipe 32 are opened, so that the tank body 1 is connected to the insulating oil purification cycle again.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a transformer insulating oil absorbent automatic purification device which characterized in that: the device comprises a tank body (1), an air path system, an oil path system, an adsorption device (4) and an electric heater (5); the gas path system vertically penetrates through the interior of the tank body (1) and is matched with the tank body (1); the oil way system penetrates through the tank body (1) in the horizontal direction and is matched with the tank body (1); the adsorption device (4) is connected inside the tank body (1), and an adsorbent is placed inside the adsorption device (4); the electric heater (5) is arranged at the top of the tank body (1) and is connected and matched with the thermal resistor (51); the thermal resistor (51) is arranged inside the adsorption device (4) and is in contact fit with the adsorbent.
2. The automatic purifying device of transformer insulating oil adsorbent as claimed in claim 1, characterized in that: the tank body (1) is of a hollow cuboid structure, and the front side surface of the tank body is connected with a convex heat dissipation plate (11).
3. The automatic purifying device of transformer insulating oil adsorbent as claimed in claim 1, characterized in that: the gas path system comprises a gas inlet pipe (21), a suction pump (22) and a gas outlet pipe (23); the air inlet pipe (21) is connected with the upper surface of the tank body (1), the air inlet end of the air pump (22) is connected with the lower surface of the tank body (1), and the air outlet end of the air pump (22) is connected with the air outlet end of the air exhaust pipe (23).
4. The automatic purifying device of transformer insulating oil adsorbent of claim 3, characterized in that: and a filter screen (24) is arranged on the section of the air inlet pipe (21).
5. The automatic purifying device of transformer insulating oil adsorbent of claim 3, characterized in that: one end of the exhaust pipe (23) is connected with the dust remover (6).
6. The automatic purifying device of transformer insulating oil adsorbent as claimed in claim 1, characterized in that: the oil way system comprises an oil inlet pipe (31) and an oil outlet pipe (32); the oil inlet pipe (31) is connected to one side of the tank body (1), and the oil outlet pipe (32) is connected to the other side, opposite to the tank body (1).
7. The automatic purifying device of transformer insulating oil adsorbent as claimed in claim 1, characterized in that: the adsorption device (4) comprises a rectangular area surrounded by a screen plate (41); one side of the screen plate (41) is connected with a vibration motor (7), and the top of the vibration motor (7) is connected with the inner wall of the tank body (1).
8. The automatic purifying device of transformer insulating oil adsorbent as claimed in claim 1, characterized in that: valves are arranged on the gas path system and the oil path system; a first pressure sensor (81) is arranged in the pipe orifice of the oil inlet pipe (31), and a second pressure sensor (82) is arranged in the pipe orifice of the oil outlet pipe (32).
9. The automatic purifying device of transformer insulating oil adsorbent as claimed in claim 1, characterized in that: the upper surface of the tank body (1) is connected with a controller (9); the first pressure sensor (81) and the second pressure sensor (82) are connected with the input end of the controller (9); the electric heater (5) and the vibration motor (7) are connected with the output end of the controller (9).
10. The use method of the transformer insulating oil adsorbent automatic purification device according to any one of claims 1 to 9, characterized by comprising the following steps:
s1, through experiments, the content of impurities in the adsorbent is related to the pressure values of the oil inlet and the oil outlet, a correlation function is established, and a correlation sensor and a controller (9) are set;
s2, when the air conditioner runs normally, the air inlet and the air outlet are closed; judging whether adsorbent purification is needed or not according to the difference value of the pressure at the oil inlet pipe (31) and the pressure at the oil outlet pipe (32);
s3, when purification is needed, closing the valve of the oil inlet pipe (31), opening the air inlet pipe (21), pumping the insulating oil in the tank body (1), and then closing the valve of the oil outlet pipe (32);
s4, opening the air suction pump (22) to fill the tank body (1) with air, and then closing the air inlet pipe (21) and the air suction pump (22);
s5, turning on the electric heater (5), and setting the heating temperature to be lower than the burning point or the melting point of the adsorbent material; impurities in the adsorbent are heated and incinerated through a thermal resistor (51), after a certain time, the heater is turned off, and heat dissipation and cooling can be accelerated through a heat dissipation plate (11);
s6, opening the air inlet pipe (21), the air suction pump (22) and the exhaust pipe (23), simultaneously starting the vibration motor (7) to work, shaking off combustion ash and smoke dust in the adsorption device (4), pumping out the combustion ash and smoke dust from the tank body (1) through the air path system, and entering the dust remover (6) for collection treatment;
and S7, closing the valve of the gas circuit system, and opening the valve of the oil inlet pipe (31) and the valve of the oil outlet pipe (32) to ensure that the tank body (1) is connected with the insulating oil purification cycle again for work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911083518.5A CN110898460A (en) | 2019-11-07 | 2019-11-07 | Automatic purifying device for transformer insulating oil adsorbent and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911083518.5A CN110898460A (en) | 2019-11-07 | 2019-11-07 | Automatic purifying device for transformer insulating oil adsorbent and using method |
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| Publication Number | Publication Date |
|---|---|
| CN110898460A true CN110898460A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911083518.5A Pending CN110898460A (en) | 2019-11-07 | 2019-11-07 | Automatic purifying device for transformer insulating oil adsorbent and using method |
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| CN (1) | CN110898460A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969272A (en) * | 2020-08-26 | 2020-11-20 | 国网湖北省电力有限公司孝感供电公司 | Common evaluation, classification, recycling and reusing method for deteriorated insulating oil and deteriorated storage battery in power industry |
-
2019
- 2019-11-07 CN CN201911083518.5A patent/CN110898460A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969272A (en) * | 2020-08-26 | 2020-11-20 | 国网湖北省电力有限公司孝感供电公司 | Common evaluation, classification, recycling and reusing method for deteriorated insulating oil and deteriorated storage battery in power industry |
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