CN212855218U - Gas drying device for electric inflating cabinet - Google Patents
Gas drying device for electric inflating cabinet Download PDFInfo
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- CN212855218U CN212855218U CN202021205262.9U CN202021205262U CN212855218U CN 212855218 U CN212855218 U CN 212855218U CN 202021205262 U CN202021205262 U CN 202021205262U CN 212855218 U CN212855218 U CN 212855218U
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Abstract
The utility model discloses an electric power aerifys for gas drying device of cabinet, including the drying cabinet, the both sides of drying cabinet are provided with vacuum chamber and helium jar respectively, and the drying cabinet is inside to be separated for admit air chamber, dry chamber and the chamber of giving vent to anger, is provided with a plurality of drying tubes in the dry chamber, and the drying tube has dry layer including outer body and the interior body that cup joints each other, packs between outer body and the interior body, and outer body and interior body lateral wall all are provided with the bleeder vent. The air of heating has the effect to the drying layer drying, evaporates the moisture and flows along with the air current, and it is inside that heated gas flows in for drying tube outside moreover, and the gas flow direction of normally working with the drying tube is opposite, plays anti-gas filled effect, improves the drying effect on drying layer.
Description
Technical Field
The utility model belongs to the technical field of electric power aerifys cabinet helium detects, especially relate to an electric power aerifys for cabinet gas drying device.
Background
The terrain of China is high in the west and low in the east, mountainous regions account for about 33%, high-altitude regions account for about 26%, the average altitude of the Tibet plateau is more than 4000m, and the altitude of the plateau and the basin in the north and in the east is 1000m to 2000m mostly. The climate in high altitude areas is complex and various, and is invaded by moisture, condensation, salt mist and typhoon; in addition, after the western development, the increasingly developed industries and transportation make the power grid switch equipment easily polluted and corroded.
Many workpieces such as inflatable switch cabinets need to be detected in the production process, the most common detection method is a gas detection method, the detected workpiece is pressurized by using trace gas, the detected workpiece is placed into a closed cavity, and the tightness of the workpiece is judged by detecting the trace gas accumulated in the closed cavity. Currently, the most common gas detection device is a vacuum box helium leak detection device.
The vacuum helium leakage detection device comprises a vacuumizing device, an electric cabinet, a vacuum box and a helium detector, and the components are matched to realize leakage detection of a detected workpiece. The workpiece to be detected is placed in a vacuum box, the vacuum box is connected with a helium detector in a sealing mode, and the workpiece to be detected is connected with a vacuumizing device through a sealing connecting pipe which is arranged in the vacuum box together with the workpiece to be detected. During detection, firstly, a vacuum pumping device is used for vacuumizing a detected workpiece to detect large leakage, if the detected workpiece does not have large leakage, the detected workpiece is vacuumized to a preset value to carry out background detection, then helium with a certain pressure is filled into the detected workpiece through a sealing pipeline, and if the detected workpiece has leakage, the helium leaked into the vacuum cavity enters a helium detector to be detected. And if the detected workpiece is qualified, recovering helium in the workpiece to a set vacuum degree, and recycling the recovered helium. However, moisture is accumulated in the helium recycling process, and meanwhile, the helium cannot be recycled by 100%, so that part of the moisture is brought to the workpiece, and after the electrical cabinet is filled with SF6 gas, the moisture of the SF6 gas exceeds the standard, and the workpiece is unqualified.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric power is gas drying device for gas-insulated switchgear, solved among the helium leak hunting system helium recycle in-process, can't be accurate get rid of thoughtlessly the moisture in the helium, lead to the problem of thoughtlessly having steam in the regulator cubicle leakproofness testing process.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
gas drying device for electric inflating cabinet
The drying box comprises a drying box, wherein a vacuum box and a helium tank are respectively arranged on two sides of the drying box, an electric cabinet is arranged in the vacuum box, a first communicating pipe is arranged between the electric cabinet and the drying box, the first communicating pipe is connected with a first valve in series, a second communicating pipe is arranged between the drying box and the helium tank, and a compressor and a second valve are connected with the second communicating pipe in series;
the drying box is internally provided with a first clapboard and a second clapboard, the first clapboard and the second clapboard divide the interior of the drying box into an air inlet cavity, a drying cavity and an air outlet cavity, the drying cavity is internally provided with a plurality of drying pipes, each drying pipe comprises an outer pipe body and an inner pipe body which are mutually sleeved, a drying layer is filled between the outer pipe body and the inner pipe body, the side walls of the outer pipe body and the inner pipe body are respectively provided with an air hole, and pipe orifices at two ends of each drying pipe are respectively communicated with the air inlet cavity and the air outlet cavity;
the second communicating pipe is communicated with the drying cavity, the first communicating pipe is communicated with the air inlet cavity, the drying cavity is further communicated with an air inlet pipe, the air inlet pipe is connected with the heating box and the third valve in series, the air outlet cavity is provided with an air outlet pipe, and the air outlet pipe is connected with the fourth valve in series.
Further, the outer sides of the outer tube and the inner tube are sleeved with the non-woven fabric layers.
Further, the gas drying device for the electric inflating cabinet is characterized in that a plurality of electric heating wires are arranged in the drying box.
Further, the gas drying device for the electric inflating cabinet is characterized in that the drying box is communicated with the drying cavity through a plurality of branch pipes.
Further, the gas drying device for the electric inflating cabinet is characterized in that the drying layer is one of granular calcium sulfate, calcium chloride, active alumina or silica gel.
Further, the air outlet pipe of the gas drying device for the electric inflating cabinet is connected with a negative pressure air suction machine in series.
Further, the second communicating pipe is connected with a micro water sensor in series.
The utility model discloses following beneficial effect has:
the drying layer in the drying tube can be dried, when the drying layer is used for a long time, the drying layer has certain moisture, the drying effect is not good, the drying box is provided with an air inlet pipe and an air outlet pipe, and a third valve and a fourth valve are respectively arranged, when the drying layer is used normally, both the valves are in a closed state to prevent air leakage, when the drying layer is required to be dried, the first valve and the second valve are required to be closed and the third valve and the fourth valve are required to be opened, the air inlet pipe is used for introducing air and heating the air through the heating box to enter the drying cavity, the air enters the drying cavity from the outside of the drying tube and finally is discharged through the air outlet pipe, the heated air has the drying effect on the drying layer, the moisture is evaporated and flows out along with the air flow, the heating air flows into the inside from the outside of the drying tube, the flow direction of the air which is opposite to the normal work of the drying tube, the reverse inflation prevents moisture from flowing through the drier side, improving the drying effect of the drying layer.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the utility model discloses drying cabinet structure schematic diagram.
FIG. 2: the utility model discloses overall structure schematic diagram.
FIG. 3: the utility model discloses drying tube structure picture.
FIG. 4: the utility model discloses drying tube sectional view.
In the drawings, the components represented by the respective reference numerals are listed below:
the drying box comprises a drying box 1, a vacuum box 2, a helium tank 3, an electrical cabinet 21, a first communication pipe 22, a first valve 23, a second communication pipe 32, a compressor 31, a second valve 33, a first partition plate 14, a second partition plate 15, an air inlet cavity 11, a drying cavity 12, an air outlet cavity 13, a drying pipe 6, an outer pipe body 61, an inner pipe body 62, a drying layer 65, an air vent 63, an air inlet pipe 4, a heating box 7, a third valve 41, an air outlet pipe 5, a fourth valve 51, a non-woven fabric layer 64, an electric heating wire 71, a branch pipe 72, a negative pressure air suction machine 52 and a micro water sensor 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1-4: gas drying device for electric inflating cabinet
The drying box comprises a drying box 1, wherein a vacuum box 2 and a helium tank 3 are respectively arranged on two sides of the drying box 1, an electrical cabinet 21 is arranged in the vacuum box 2, a first communicating pipe 22 is arranged between the electrical cabinet 21 and the drying box 1, the first communicating pipe 22 is connected with a first valve 23 in series, a second communicating pipe 32 is arranged between the drying box 1 and the helium tank 3, and the second communicating pipe 32 is connected with a compressor 31 and a second valve 33 in series;
a first clapboard 14 and a second clapboard 15 are arranged in the drying box 1, the first clapboard 14 and the second clapboard 15 divide the interior of the drying box 1 into an air inlet cavity 11, a drying cavity 12 and an air outlet cavity 13, a plurality of drying tubes 6 are arranged in the drying cavity 12, each drying tube 6 comprises an outer tube 61 and an inner tube 62 which are sleeved with each other, a drying layer 65 is filled between the outer tube 61 and the inner tube 62, air holes 63 are arranged on the side walls of the outer tube 61 and the inner tube 62, and the tube openings at two ends of each drying tube 6 are respectively communicated with the air inlet cavity 11 and the air outlet cavity 13;
the second communicating pipe 32 is communicated with the drying chamber 12, the first communicating pipe 22 is communicated with the air inlet chamber 11, the drying chamber 12 is further communicated with the air inlet pipe 4, the air inlet pipe 4 is connected with the heating box 7 and the third valve 41 in series, the air outlet chamber 13 is provided with an air outlet pipe 5, and the air outlet pipe 5 is connected with a fourth valve 51 in series.
The utility model discloses in, adopt the drying cabinet to carry out the drying to the gas of taking out in the vacuum chamber, be provided with a plurality of drying tubes in the drying chamber, divide into many branches with the gas that gets into and carry out the drying, it is dry more careful, the drying tube is cup jointed by outer body and interior body and is formed, be provided with the appearance chamber that holds the dry layer of packing between outer body and the interior body, when gaseous entering air inlet chamber, the helium that gets into divide into during many drying tubes that get into the difference, then pass the bleeder vent and get into the drying chamber and finally get into the helium gas pitcher from second communicating pipe.
The drying layer in the drying tube can be dried, when the drying layer is used for a long time, the drying layer has certain moisture, the drying effect is not good, the drying box is provided with the air inlet tube and the air outlet tube, the third valve and the fourth valve are respectively arranged, when the drying layer is used normally, both the valves are in a closed state, air leakage is prevented, when the drying layer is required to be dried, the first valve and the second valve are required to be closed, the third valve and the fourth valve are required to be opened, the air inlet tube is used for introducing air and heating the air through the heating box to enter the drying cavity, the air enters the drying cavity from the outside of the drying tube and finally is discharged through the air outlet tube, the heated air has the drying effect on the drying layer, the moisture is evaporated and flows out along with the air flow, the heating air flows into the inside from the outside of the drying tube, the flow direction of the air in normal work of the drying tube is opposite to the flow, the reverse inflation prevents moisture from flowing through the drier side, improving the drying effect of the drying layer.
As shown in fig. 3: the outer side of the outer tube 61 and the outer side of the inner tube 62 are sleeved with a non-woven fabric layer 64. Is used for shielding the air holes and preventing the dry layer from being discharged from the air holes, thereby being beneficial to accumulating and reserving the dry layer.
As shown in fig. 1: a plurality of electric heating wires 71 are provided in the drying cabinet 1.
As shown in fig. 1: the drying box 1 is communicated with the drying chamber 12 through a plurality of branch pipes 72. The heating gas entering the drying cavity is divided into the branch pipes to be simultaneously fed, so that the temperature of the gas received by the drying pipe can be kept more consistent in the first time.
As shown in fig. 4: the drying layer 65 is one or more of granular calcium sulfate, calcium chloride, activated alumina or silica gel.
As shown in fig. 1: the air outlet pipe 5 is also connected with a negative pressure air aspirator 52 in series. For facilitating gas flow.
As shown in fig. 2: the second communication pipe 32 is also connected in series with a trace water sensor 34. The device is used for detecting the trace water content in the gas, detecting in real time, closing the first communication pipe in time when the moisture content exceeds the standard, and drying the drying box or replacing the drying layer.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides an electric power aerifys for cabinet gas drying device which characterized in that:
the drying box comprises a drying box (1), wherein a vacuum box (2) and a helium tank (3) are respectively arranged on two sides of the drying box (1), an electrical cabinet (21) is arranged in the vacuum box (2), a first communicating pipe (22) is arranged between the electrical cabinet (21) and the drying box (1), the first communicating pipe (22) is connected with a first valve (23) in series, a second communicating pipe (32) is arranged between the drying box (1) and the helium tank (3), and a compressor (31) and a second valve (33) are connected with the second communicating pipe (32) in series;
the drying box (1) is internally provided with a first clapboard (14) and a second clapboard (15), the first clapboard (14) and the second clapboard (15) divide the interior of the drying box (1) into an air inlet cavity (11), a drying cavity (12) and an air outlet cavity (13), the drying cavity (12) is internally provided with a plurality of drying tubes (6), each drying tube (6) comprises an outer tube (61) and an inner tube (62) which are sleeved with each other, a drying layer (65) is filled between the outer tube (61) and the inner tube (62), the side walls of the outer tube (61) and the inner tube (62) are respectively provided with an air vent (63), and the tube openings at two ends of each drying tube (6) are respectively communicated with the air inlet cavity (11) and the air outlet cavity (13);
second communicating pipe (32) and dry chamber (12) intercommunication, first communicating pipe (22) and admit air chamber (11) intercommunication, dry chamber (12) still intercommunication have intake pipe (4), intake pipe (4) concatenate heating cabinet (7) and third valve (41), it is provided with outlet duct (5) to go out air chamber (13), fourth valve (51) have been concatenated in outlet duct (5).
2. The gas drying device for an electric gas-filled tank as claimed in claim 1, wherein: and the outer sides of the outer pipe body (61) and the inner pipe body (62) are sleeved with non-woven fabric layers (64).
3. The gas drying device for an electric gas-filled tank as claimed in claim 1, wherein: a plurality of electric heating wires (71) are arranged in the drying box (1).
4. The gas drying device for an electric gas-filled tank as claimed in claim 1, wherein: the drying box (1) is communicated with the drying cavity (12) through a plurality of branch pipes (72).
5. The gas drying device for an electric gas-filled tank as claimed in claim 1, wherein: the drying layer (65) is one of granular calcium sulfate, calcium chloride, active alumina or silica gel.
6. The gas drying device for an electric gas-filled tank as claimed in claim 1, wherein: the air outlet pipe (5) is also connected with a negative pressure air aspirator (52) in series.
7. The gas drying device for an electric gas-filled tank as claimed in claim 1, wherein: and the second communication pipe (32) is also connected with a trace water sensor (34) in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021205262.9U CN212855218U (en) | 2020-06-24 | 2020-06-24 | Gas drying device for electric inflating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021205262.9U CN212855218U (en) | 2020-06-24 | 2020-06-24 | Gas drying device for electric inflating cabinet |
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| Publication Number | Publication Date |
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| CN212855218U true CN212855218U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021205262.9U Active CN212855218U (en) | 2020-06-24 | 2020-06-24 | Gas drying device for electric inflating cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715038A (en) * | 2020-06-24 | 2020-09-29 | 安徽伽德罗工业技术有限公司 | Gas drying device and drying system for electric inflating cabinet |
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- 2020-06-24 CN CN202021205262.9U patent/CN212855218U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715038A (en) * | 2020-06-24 | 2020-09-29 | 安徽伽德罗工业技术有限公司 | Gas drying device and drying system for electric inflating cabinet |
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