CN111282409A - Heat storage drying method for transformer main body moisture absorber - Google Patents
Heat storage drying method for transformer main body moisture absorber Download PDFInfo
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- CN111282409A CN111282409A CN202010267250.7A CN202010267250A CN111282409A CN 111282409 A CN111282409 A CN 111282409A CN 202010267250 A CN202010267250 A CN 202010267250A CN 111282409 A CN111282409 A CN 111282409A
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- moisture
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 163
- 238000001035 drying Methods 0.000 title claims abstract description 15
- 238000005338 heat storage Methods 0.000 title claims abstract description 13
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000741 silica gel Substances 0.000 claims abstract description 18
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 18
- 238000010521 absorption reaction Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000001172 regenerating effect Effects 0.000 claims description 6
- 239000011358 absorbing material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 8
- 239000003230 hygroscopic agent Substances 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 230000008929 regeneration Effects 0.000 description 6
- 238000011069 regeneration method Methods 0.000 description 6
- 230000000241 respiratory effect Effects 0.000 description 6
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Drying Of Gases (AREA)
Abstract
The invention relates to a heat storage drying method of a transformer main body moisture absorber, which comprises a control module, a first moisture absorber, a second moisture absorber and a breathing three-way bent pipe, wherein the output ports of the first moisture absorber and the second moisture absorber are respectively provided with a first electromagnetic valve, the pipeline of second solenoid valve is connected and is breathed the tee bend return bend, the tee bend return bend is through breathing down tube coupling conservator, first moisture absorber, the delivery outlet of second moisture absorber is respectively through two delivery outlets of tube coupling tee bend solenoid valve, the delivery outlet of tee bend solenoid valve is through the delivery outlet of tube coupling small-size hair-dryer, first moisture absorber, install first humidity transducer in the second moisture absorber respectively, second humidity transducer, spotlight parabolic mirror is equipped with to the outer side of moisture absorber, control module and each electrical part electric connection, two moisture absorbers of this device constantly circulate and work, reach the purpose of the uninterrupted duty of transformer main part moisture absorber and exempting from to change silica gel hygroscopic agent in the moisture absorber.
Description
Technical Field
The invention relates to the technical field of transformer operation pressure balance airflow drying, in particular to a heat storage drying method of a transformer main body moisture absorber.
Background
Because the load changes in the transformer main part operation, and ambient temperature changes, all can cause its inside transformer oil expend with heat and contract with cold's volume change, transformer main part top conservator produces respiration through drawing down respiratory tube and atmosphere this moment, change with the inside transformer internal pressure of balanced transformer main part, the desiccator of installing at the end of respiratory tube, can adsorb the moisture that contains in inhaling the atmosphere by the respiratory tube, guarantee the drying of inhaled air, because transformer main part internal winding, iron core and lead wire are in high voltage, the high electric field state, if wet, will cause serious failure, therefore transformer main part desiccator's application powerful guarantee transformer main part safe operation. The existing transformer main body moisture absorber mainly comprises a glass straight cylinder and an upper clamping flange structure and a lower clamping flange structure, wherein a renewable moisture absorption material is contained in the glass straight cylinder to form a moisture absorber body, a used moisture absorption agent is granular silica gel with a certain diameter, the silica gel is saturated after absorbing moisture for a period of time and loses the moisture absorption function, and the traditional treatment method is to replace the moisture absorption agent saturated with moisture absorption so as to ensure the drying of gas absorbed by the transformer main body. The traditional silica gel moisture absorber for replacing and treating moisture saturation in the moisture absorber of the transformer main body mainly has the following two modes: 1) after the newly purchased qualified dry silica gel is directly replaced, the old silica gel with saturated moisture absorption is discarded, so that the environmental pollution and the waste are caused; 2) the silica gel which is saturated in moisture absorption and is replaced is brought back to a laboratory to be heated and regenerated, but the silica gel is low in mechanical strength and easy to break, is poured into and poured out of the moisture absorber of the transformer body, is broken and crushed easily, and the two replacement modes are adopted, so that the heavy gas protection device of the transformer body is withdrawn in the moisture absorber replacement process, unsafe factors are brought to the operation of the transformer body, the silica gel dust can cause health injuries to the respiratory tract, the skin and the like of workers, and the defects cause the application of the moisture absorber of the traditional transformer body.
Disclosure of Invention
The invention aims to provide a heat storage drying method of a transformer main body moisture absorber.
In order to achieve the purpose, the invention adopts the technical scheme that: a drying method of a transformer body moisture absorber comprises the following steps:
step 1: providing a parallel moisture absorber group and a control module, wherein the parallel moisture absorber group comprises a first moisture absorber, a second moisture absorber and a breathing three-way bend, the output ports of the first moisture absorber and the second moisture absorber are respectively connected with two input ports of the breathing three-way bend through pipelines provided with a first electromagnetic valve and a second electromagnetic valve, the output port of the three-way bend is connected with an oil conservator of the transformer main body through a breathing drainage tube, the output ports of the first moisture absorber and the second moisture absorber are respectively connected with two output ports of the three-way electromagnetic valve through pipelines, the output port of the three-way electromagnetic valve is connected with the output port of a small-sized blower through a pipeline, a first humidity sensor and a second humidity sensor are respectively arranged in the first moisture absorber and the second moisture absorber, parabolic light-gathering reflectors are respectively arranged at the outer sides of the first moisture absorber and the second moisture absorber, and the parabolic light-gathering reflectors, the input end of the control module is respectively and electrically connected with the first moisture absorber and the second moisture absorber, and the output end of the control module is respectively and electrically connected with the control ends of the first electromagnetic valve, the second electromagnetic valve, the three-way electromagnetic valve, the small blower and the motor;
step 2: a programmed sunlight track is preset in a control module, a motor controls a light-gathering parabolic reflector to rotate to track the movement angle of the sun so as to acquire more solar energy, the light-gathering parabolic reflector reflects the gathered solar energy to a corresponding moisture absorber, and the moisture absorption material of the moisture-affected silica gel in the moisture absorber is continuously heated and regenerated;
and step 3: the control module automatically controls the switching of various states of the moisture absorber device to automatically operate according to a first humidity set value and a second humidity set value which are preset and programmed;
and 4, step 4: when the first moisture absorber is in a working moisture absorber state, the first electromagnetic valve is opened, the first moisture absorber is communicated with the breathing leading-out pipe, the normal smooth breathing function of the conservator is kept, the second electromagnetic valve is closed at the moment, the second moisture absorber is isolated from the conservator breathing leading-out pipe 7 and is in a standby moisture absorber state, the three-way electromagnetic valve is also kept in a closed state, and the small-sized blower does not work;
and 5: with the continuous adsorption of moisture in the sucked air by the renewable moisture absorption material in the first moisture absorber, when the first humidity sensor detects that the renewable moisture absorption material in the first moisture absorber is close to a saturated first set humidity value, the control module automatically controls to open the second electromagnetic valve firstly, the second moisture absorber is communicated with the breathing drainage tube of the conservator, and at the moment, the second moisture absorber is switched into a working moisture absorber from a standby moisture absorber to be put into operation;
step 6: after the second electromagnetic valve is opened, the control module controls the first electromagnetic valve to be closed, the first moisture absorber is isolated from the respiration leading-out pipe, the three-way electromagnetic valve is opened at the same time, the small-sized blower is communicated with a channel of the first moisture absorber, and then the small-sized blower is opened to blow and dry the interior of the first moisture absorber;
and 7: when the first humidity sensor detects that the renewable moisture absorption material in the first moisture absorber is dried to a second set value, the control module controls the small blower to stop, controls the three-way electromagnetic valve to be closed, stops heating and regenerating the first moisture absorber, and then turns the first moisture absorber to a standby state;
and 8: similarly, when the second humidity sensor detects that the humidity in the second moisture absorber reaches a second set value, the control module automatically controls the first moisture absorber to be put into the working moisture absorber, and the process of heating and regenerating the second moisture absorber and converting the second moisture absorber into the standby moisture absorber is put into the process according to the steps 5 to 7 to perform corresponding automatic control operation.
Furthermore, the first moisture absorber and the second moisture absorber are both heat storage moisture absorber tanks with the same structure, and renewable moisture absorbing materials are filled in the heat storage moisture absorber tanks.
Furthermore, the heat storage moisture absorber tank body is made of composite graphite materials.
Further, the surface of the heat storage moisture absorber tank body is coated with a waterproof coating.
Further, the rotating seat comprises a base, a rotating shaft vertically installed on the base through a bearing seat, and a motor vertically installed on the base, the light-gathering parabolic reflector is fixedly installed at the upper end of the rotating shaft, a driven gear is installed on the rotating shaft, and a driving gear in meshing transmission with the driven gear is installed on an output shaft of the motor.
Compared with the prior art, the invention has the following beneficial effects: operation convenient to use, two desiccators constantly circulate and carry out work, reach transformer main part desiccator's uninterrupted duty and exempt from to change the purpose of silica gel hygroscopic agent in the desiccator, utilize sunshine and hair-dryer to heat regeneration to the desiccator, in the regeneration cycle of moisture absorbent material can regenerate, need not to change the moisture saturated moisture absorbent material that can regenerate, greatly raise the efficiency, stop the environmental pollution that traditional transformer main part desiccator abandonment became invalid the hygroscopic agent and cause.
Drawings
FIG. 1 is a schematic view of a moisture absorption structure of a transformer body;
FIG. 2 is a schematic view of a parallel absorbent group;
FIG. 3 is a schematic view of a honeycomb structure of the dehydrator breather;
fig. 4 is a block diagram of the automatic control operation of the control module.
In the figure: 1-a first moisture absorber; 2-a second dehydrating breather; 3-a first solenoid valve; 4-a second solenoid valve; 5-breathing three-way elbow pipe; 6-respiratory drainage tube; 7-conservator; 8-a light-concentrating parabolic mirror; 9-a rotating seat; 10-incident sunlight; 11-high temperature reflection condensation; 12-sun trajectory; 13-a transformer body; 14-transformer oil; 15-transformer body core; 16-transformer body windings; 17-a three-way solenoid valve; 18-a small hair dryer; 19-a first humidity sensor; 20-a second humidity sensor; 21-a filter screen; 22-a tank body; 23-a grid plate; 24-a via hole; 25-renewable moisture absorbent material.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1 to 4, a drying method of a dehydrating breather of a transformer body includes the following steps:
step 1: providing a parallel moisture absorber group and a control module, wherein the parallel moisture absorber group comprises a first moisture absorber, a second moisture absorber and a breathing three-way bend, the output ports of the first moisture absorber and the second moisture absorber are respectively connected with two input ports of the breathing three-way bend through pipelines provided with a first electromagnetic valve and a second electromagnetic valve, the output port of the three-way bend is connected with an oil conservator of the transformer main body through a breathing drainage tube, the output ports of the first moisture absorber and the second moisture absorber are respectively connected with two output ports of the three-way electromagnetic valve through pipelines, the output port of the three-way electromagnetic valve is connected with the output port of a small-sized blower through a pipeline, a first humidity sensor and a second humidity sensor are respectively arranged in the first moisture absorber and the second moisture absorber, parabolic light-gathering reflectors are respectively arranged at the outer sides of the first moisture absorber and the second moisture absorber, and the parabolic light-gathering reflectors, the input end of the control module is respectively and electrically connected with the first moisture absorber and the second moisture absorber, and the output end of the control module is respectively and electrically connected with the control ends of the first electromagnetic valve, the second electromagnetic valve, the three-way electromagnetic valve, the small blower and the motor;
step 2: a programmed sunlight track is preset in a control module, a motor controls a light-gathering parabolic reflector to rotate to track the movement angle of the sun so as to acquire more solar energy, the light-gathering parabolic reflector reflects the gathered solar energy to a corresponding moisture absorber, and the moisture absorption material of the moisture-affected silica gel in the moisture absorber is continuously heated and regenerated;
and step 3: the control module automatically controls the switching of various states of the moisture absorber device to automatically operate according to a first humidity set value and a second humidity set value which are preset and programmed;
and 4, step 4: when the first moisture absorber is in a working moisture absorber state, the first electromagnetic valve is opened, the first moisture absorber is communicated with the breathing leading-out pipe, the normal smooth breathing function of the conservator is kept, the second electromagnetic valve is closed at the moment, the second moisture absorber is isolated from the conservator breathing leading-out pipe 7 and is in a standby moisture absorber state, the three-way electromagnetic valve is also kept in a closed state, and the small-sized blower does not work;
and 5: with the continuous adsorption of moisture in the sucked air by the renewable moisture absorption material in the first moisture absorber, when the first humidity sensor detects that the renewable moisture absorption material in the first moisture absorber is close to a saturated first set humidity value, the control module automatically controls to open the second electromagnetic valve firstly, the second moisture absorber is communicated with the breathing drainage tube of the conservator, and at the moment, the second moisture absorber is switched into a working moisture absorber from a standby moisture absorber to be put into operation;
step 6: after the second electromagnetic valve is opened, the control module controls the first electromagnetic valve to be closed, the first moisture absorber is isolated from the respiration leading-out pipe, the three-way electromagnetic valve is opened at the same time, the small-sized blower is communicated with a channel of the first moisture absorber, and then the small-sized blower is opened to blow and dry the interior of the first moisture absorber;
and 7: when the first humidity sensor detects that the renewable moisture absorption material in the first moisture absorber is dried to a second set value, the control module controls the small blower to stop, controls the three-way electromagnetic valve to be closed, stops heating and regenerating the first moisture absorber, and then turns the first moisture absorber to a standby state;
and 8: similarly, when the second humidity sensor detects that the humidity in the second moisture absorber reaches a second set value, the control module automatically controls the first moisture absorber to be put into the working moisture absorber, and the process of heating and regenerating the second moisture absorber and converting the second moisture absorber into the standby moisture absorber is put into the process according to the steps 5 to 7 to perform corresponding automatic control operation.
In this embodiment, first desiccator, second desiccator structure are the same and are the heat-retaining desiccator jar body, the heat-retaining desiccator jar body is including the inside jar body that is honeycomb, and jar body upper and lower end is provided with delivery outlet, input port respectively, and jar internal through grid plate formation a plurality of vertical independent intervals, all pack in each interval and have the moisture-absorbing material that can regenerate, and the moisture-absorbing material that can regenerate can be that heating regeneration temperature is not high such as silica gel, active alumina, active carbon, polymer adsorbent or other suitable moisture-absorbing materials that can regenerate.
In this embodiment, the filter screen is installed to the delivery outlet of heat-retaining desiccator jar body lower extreme, prevents the intake of dust impurity in the air.
In this embodiment, the grid is provided with a plurality of through holes communicating adjacent intervals at intervals from top to bottom.
In this embodiment, the jar body, the surface coating of grid plate has waterproof coating, a jar body, the grid plate is compound graphite material, or other have good heat absorption, heat-retaining and heat conduction materials, make into the desiccator heat-retaining tank structure of bionical honeycomb shape with high-efficient heat-retaining material, high-efficient heat transfer has, the large capacity heat-retaining with last exothermic and save material's advantage, directly reflect the sunlight gathering to the desiccator heat-retaining jar body through spotlight parabolic mirror, heat the jar body, the jar body is after receiving high temperature gathering sunlight heat, can store the heat, and continuously release heat to the splendid attire silica gel hygroscopic agent in the jar body, the continuous moisture with the inside absorption of silica gel hygroscopic agent drives out, reach regeneration drying purpose.
In this embodiment, the rotation seat includes the base, through the pivot of bearing frame vertical installation on the base, vertically installs the motor on the base, and spotlight parabolic reflecting mirror fixed mounting installs driven gear in the upper end of pivot in the pivot, installs the driving gear with driven gear meshing transmission on the output shaft of motor.
Because the load changes in the transformer main part operation, and ambient temperature changes, all can cause its inside transformer oil expend with heat and contract with cold's volume change, transformer main part top conservator produces respiration through drawing down respiratory tube and atmosphere this moment, change with the inside transformer internal pressure of balanced transformer main part, the desiccator of installing at the end of respiratory tube, can adsorb the moisture that contains in inhaling the atmosphere by the respiratory tube, guarantee the drying of inhaled air, because transformer main part internal winding, iron core and lead wire are in high voltage, the high electric field state, if wet, will cause serious failure, therefore transformer main part desiccator's application powerful guarantee transformer main part safe operation.
The two moisture absorbers continuously and circularly work, and the purposes of uninterrupted work of the moisture absorber of the transformer body and no replacement of the silica gel moisture absorber in the moisture absorber are achieved. Because transformer main part desiccator normal use, the silica gel hygroscopic agent regeneration cycle of its inside splendid attire reaches more than 6 months, consequently this device in this 6 months, as long as there is sunshine, just can heat regeneration to the desiccator, need not to change the hygroscopic agent that wets and saturate, very big raising the efficiency stops the environmental pollution that traditional transformer main part desiccator abandonment became invalid hygroscopic agent and cause.
If this patent discloses or refers to parts or structures that are fixedly connected to each other, the fixedly connected may be understood as: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In the description of this patent, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A drying method of a transformer main body moisture absorber is characterized by comprising the following steps:
step 1: providing a parallel moisture absorber group and a control module, wherein the parallel moisture absorber group comprises a first moisture absorber, a second moisture absorber and a breathing three-way bend, the output ports of the first moisture absorber and the second moisture absorber are respectively connected with two input ports of the breathing three-way bend through pipelines provided with a first electromagnetic valve and a second electromagnetic valve, the output port of the three-way bend is connected with an oil conservator of the transformer main body through a breathing drainage tube, the output ports of the first moisture absorber and the second moisture absorber are respectively connected with two output ports of the three-way electromagnetic valve through pipelines, the output port of the three-way electromagnetic valve is connected with the output port of a small-sized blower through a pipeline, a first humidity sensor and a second humidity sensor are respectively arranged in the first moisture absorber and the second moisture absorber, parabolic light-gathering reflectors are respectively arranged at the outer sides of the first moisture absorber and the second moisture absorber, and the parabolic light-gathering reflectors, the input end of the control module is respectively and electrically connected with the first moisture absorber and the second moisture absorber, and the output end of the control module is respectively and electrically connected with the control ends of the first electromagnetic valve, the second electromagnetic valve, the three-way electromagnetic valve, the small blower and the motor;
step 2: a programmed sunlight track is preset in a control module, a motor controls a light-gathering parabolic reflector to rotate to track the movement angle of the sun so as to acquire more solar energy, the light-gathering parabolic reflector reflects the gathered solar energy to a corresponding moisture absorber, and the moisture absorption material of the moisture-affected silica gel in the moisture absorber is continuously heated and regenerated;
and step 3: the control module automatically controls the switching of various states of the moisture absorber device to automatically operate according to a first humidity set value and a second humidity set value which are preset and programmed;
and 4, step 4: when the first moisture absorber is in a working moisture absorber state, the first electromagnetic valve is opened, the first moisture absorber is communicated with the breathing leading-out pipe, the normal smooth breathing function of the conservator is kept, the second electromagnetic valve is closed at the moment, the second moisture absorber is isolated from the conservator breathing leading-out pipe 7 and is in a standby moisture absorber state, the three-way electromagnetic valve is also kept in a closed state, and the small-sized blower does not work;
and 5: with the continuous adsorption of moisture in the sucked air by the renewable moisture absorption material in the first moisture absorber, when the first humidity sensor detects that the renewable moisture absorption material in the first moisture absorber is close to a saturated first set humidity value, the control module automatically controls to open the second electromagnetic valve firstly, the second moisture absorber is communicated with the breathing drainage tube of the conservator, and at the moment, the second moisture absorber is switched into a working moisture absorber from a standby moisture absorber to be put into operation;
step 6: after the second electromagnetic valve is opened, the control module controls the first electromagnetic valve to be closed, the first moisture absorber is isolated from the respiration leading-out pipe, the three-way electromagnetic valve is opened at the same time, the small-sized blower is communicated with a channel of the first moisture absorber, and then the small-sized blower is opened to blow and dry the interior of the first moisture absorber;
and 7: when the first humidity sensor detects that the renewable moisture absorption material in the first moisture absorber is dried to a second set value, the control module controls the small blower to stop, controls the three-way electromagnetic valve to be closed, stops heating and regenerating the first moisture absorber, and then turns the first moisture absorber to a standby state;
and 8: similarly, when the second humidity sensor detects that the humidity in the second moisture absorber reaches a second set value, the control module automatically controls the first moisture absorber to be put into the working moisture absorber, and the process of heating and regenerating the second moisture absorber and converting the second moisture absorber into the standby moisture absorber is put into the process according to the steps 5 to 7 to perform corresponding automatic control operation.
2. The heat-storage drying method for the moisture absorber of the transformer main body as claimed in claim 1, wherein: the first moisture absorber and the second moisture absorber are both heat storage moisture absorber tanks with the same structure, and renewable moisture absorbing materials are filled in the heat storage moisture absorber tanks.
3. The heat-storage drying method for the moisture absorber of the transformer main body as claimed in claim 1, wherein: the rotating seat comprises a base, a rotating shaft vertically installed on the base through a bearing seat, and a motor vertically installed on the base, the light-gathering parabolic reflector is fixedly installed at the upper end of the rotating shaft, a driven gear is installed on the rotating shaft, and a driving gear in meshing transmission with the driven gear is installed on an output shaft of the motor.
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| CN202010267250.7A CN111282409B (en) | 2020-04-08 | 2020-04-08 | Heat storage drying method of transformer main body moisture absorber |
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| CN202010267250.7A CN111282409B (en) | 2020-04-08 | 2020-04-08 | Heat storage drying method of transformer main body moisture absorber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509791A (en) * | 2020-11-26 | 2021-03-16 | 国网山东省电力公司平阴县供电公司 | Transformer dehumidifying device |
| CN113274848A (en) * | 2021-07-23 | 2021-08-20 | 北京国电天元电气设备有限公司 | Automatic control system for moisture absorber |
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| CN203799798U (en) * | 2014-01-06 | 2014-08-27 | 国家电网公司 | Adsorbent-replacing-free breather with wireless remote control main transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112509791A (en) * | 2020-11-26 | 2021-03-16 | 国网山东省电力公司平阴县供电公司 | Transformer dehumidifying device |
| CN113274848A (en) * | 2021-07-23 | 2021-08-20 | 北京国电天元电气设备有限公司 | Automatic control system for moisture absorber |
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| CN111282409B (en) | 2024-02-09 |
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