CN212717057U - Mutual inductor pouring and vacuumizing system - Google Patents
Mutual inductor pouring and vacuumizing system Download PDFInfo
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- CN212717057U CN212717057U CN202020962996.5U CN202020962996U CN212717057U CN 212717057 U CN212717057 U CN 212717057U CN 202020962996 U CN202020962996 U CN 202020962996U CN 212717057 U CN212717057 U CN 212717057U
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Abstract
The utility model discloses a mutual-inductor pours evacuation system, including at least two sets of evacuating device, evacuating device includes the filter, the filter has connected gradually first vacuum pump and second vacuum pump, first vacuum pump with be provided with parallelly connected pipeline between the filter, form each group evacuating device is parallelly connected. The utility model discloses can realize parallelly connected use to multiunit evacuating device, not influence when the vacuum pump breaks down and pour jar continuation evacuation, convenient maintenance and maintenance, and can effectual reduction discharge to the impurity in the atmosphere, and improve the life of vacuum pump.
Description
Technical Field
The utility model relates to an evacuation system especially relates to an evacuation system is pour to mutual-inductor.
Background
In the pouring process of the current transformer or the voltage transformer, the pouring tank is vacuumized, so that the structure of a pouring body of the transformer is compact and free of bubbles or cavities.
In the prior art, a vacuum pump is directly adopted for vacuumizing, then the gas extracted is directly discharged to the atmosphere, the gas contains a large amount of impurities and is high-temperature gas, and the impurities and the high temperature not only greatly reduce the service life of the vacuum pump, but also cause bad influence on the environment.
Simultaneously, each suction pipeline that adopts each to correspond when pouring jar suction vacuum, when vacuum pump or pipeline broke down, whole suction pipeline all needed the pause operation, overhauld. The production efficiency is extremely low when the machine is shut down.
Therefore, technical personnel in the field are dedicated to developing a mutual inductor vacuum pumping system, multiple groups of vacuum pumping devices can be used in parallel, when a vacuum pump breaks down, the pouring tank is not influenced to continue vacuum pumping, the maintenance is convenient, impurities discharged to the atmosphere can be effectively reduced, and the service life of the vacuum pump is prolonged.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that a mutual-inductor evacuation system is provided can realize parallelly connected use to multiunit evacuating device, does not influence when the vacuum pump breaks down and pours a jar and continue the evacuation, conveniently overhauls and maintains, and can effectual reduction discharge to the impurity in the atmosphere, and improve the life of vacuum pump.
In order to achieve the purpose, the utility model provides a mutual-inductor pours evacuation system, including at least two sets of evacuating device, evacuating device includes the filter, the filter has connected gradually first vacuum pump and second vacuum pump, each group all be connected with parallel pipeline between first vacuum pump and the filter. The parallel pipeline connects each group of vacuum pumping devices in parallel, and the vacuum pumping devices can pump independently or pump in parallel according to actual needs, so that the maintenance is convenient.
Furthermore, a water-cooling filter is arranged between the first vacuum pump and the filter. The water-cooling filter is beneficial to reducing the temperature in the gas, effectively protects the vacuum pump behind the water-cooling filter, and prolongs the service life of the vacuum pump.
Furthermore, a first air pressure meter and a second air pressure meter are respectively arranged on pipelines at two ends of the filter. The barometers arranged at the two ends of the filter are convenient for knowing the condition of impurities in the filter, and whether the filter needs to be cleaned or not is judged according to the pressure difference at the two ends.
Further, the vacuum-pumping device comprises a first group of vacuum-pumping devices, a second group of vacuum-pumping devices, a third group of vacuum-pumping devices and a fourth group of vacuum-pumping devices.
Further, the first group of vacuum extractor and the second group of vacuum extractor respectively further comprise a pouring tank, and the third group of vacuum extractor and the fourth group of vacuum extractor respectively further comprise a premixing tank.
Further, the first vacuum pump is a roots vacuum pump, and the second vacuum pump is a rotary vane vacuum pump. The adoption of a plurality of vacuum pumps can not only increase the flow rate of air exhaust, but also improve the vacuum degree of suction.
Further, an exhaust chimney is arranged behind the second vacuum pump. The exhaust chimney is convenient for discharging the treated waste gas.
Furthermore, a third valve is arranged between each vacuumizing device pipeline and the parallel pipeline. The third valve can effectively control the vacuumizing device to be connected.
Further, pour the jar with be provided with first valve between the filter, mix in advance the jar with be provided with the fifth valve between the filter, the water-cooling filter with be provided with the second valve between the filter.
Furthermore, a fourth valve is arranged between the first vacuum pump and the water-cooling filter.
The utility model has the advantages that: the utility model provides a mutual inductor pouring vacuumizing system, wherein parallel pipelines are arranged in a plurality of groups of vacuumizing devices, and the plurality of groups of vacuumizing devices can be used independently or in parallel, so that the maintenance is convenient; the filter is arranged in the air extraction pipeline, so that impurities discharged to the atmosphere are reduced; still design the water-cooling filter in the pipeline, further filter impurity and reduce gaseous temperature, the effectual life who improves the vacuum pump.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a mutual inductor casting vacuum pumping system includes at least two sets of vacuum pumping devices, which in this embodiment includes a first set of vacuum pumping device 1, a second set of vacuum pumping device 2, a third set of vacuum pumping device 3, and a fourth set of vacuum pumping device 4. The vacuumizing device comprises a filter 5, the filter 5 is used for filtering impurities for the first time, a first pressure gauge 11 and a second pressure gauge 10 are respectively installed on pipelines at two ends of the filter 5, the content of the impurities in the filter can be judged through the pressure drop between the first pressure gauge 11 and the second pressure gauge 10, and the filter 5 is detached and cleaned when the pressure drop is too large. The filter 5 is connected with a first vacuum pump 7 and a second vacuum pump 8 in sequence, the first vacuum pump 7 is a roots vacuum pump, and the second vacuum pump 8 is a rotary-vane vacuum pump. An exhaust chimney 19 is also arranged behind the second vacuum pump 8. The Roots vacuum pump and the rotary vane vacuum pump are connected in series in the pipeline, so that the flow of the sucked gas can be improved, and the vacuum degree of the pouring tank 12 or the premixing tank 13 can be improved.
A parallel pipeline 9 is arranged between the first vacuum pump 7 and the filter 5 to form at least two groups of vacuumizing devices which are connected in parallel, the parallel pipeline 9 is convenient for controlling each group of vacuumizing devices, and the vacuumizing devices which need to be connected in parallel are selected according to actual requirements. A third valve 15 is arranged between each vacuumizing device pipeline and the parallel pipeline 9, a water-cooling filter 6 is arranged between the first vacuum pump 7 and the filter 5, and the water-cooling filter 6 not only can reduce the temperature of gas in the process of pumping, but also can further remove impurities. A fourth valve 16 is arranged between the first vacuum pump 7 and the water-cooled filter 6.
The first group of vacuumizing devices 1 and the second group of vacuumizing devices 2 respectively further comprise a pouring tank 12, the pouring tank 12 is used for pouring the mutual inductor, certain vacuum degree needs to be formed in the pouring tank, and the pouring structure is guaranteed to be compact and free of bubbles. The third group of vacuum extractor 3 and the fourth group of vacuum extractor 4 respectively further comprise a premixing tank 13, and the premixing tank 13 is used for processing, heating and premixing raw materials before pouring. A first valve 17 is arranged between the pouring tank 12 and the filter 5, a fifth valve 18 is arranged between the premixing tank 13 and the filter 5, and a second valve 14 is arranged between the water-cooled filter 6 and the filter 5.
The utility model discloses the theory of operation: and (3) vacuumizing the pouring tank 12 and the premixing tank 13, wherein when the vacuum degree of the pouring tank 12 or the premixing tank 13 does not meet the requirement or the vacuum pump needs to be overhauled, the vacuumizing devices are connected in parallel by switching between the third valve 15 and the fourth valve 16 in each pipeline. In this embodiment, as long as any one of the first group of vacuum extractor 1, the second group of vacuum extractor 2, the third group of vacuum extractor 3, and the fourth group of vacuum extractor 4 can normally operate, the fourth valve 16 in the vacuum extractor to be maintained is first closed, the third valve 15 in the corresponding pipeline is opened, and the third valve 15 in the vacuum extractor to be normally operated is simultaneously opened, so that the pipeline of the vacuum extractor is connected in parallel with the vacuum extractor to be normally operated, and when the first vacuum pump and the second vacuum pump or part of the pipeline to be maintained are maintained, the vacuum extraction of the casting tank 12 or the premix tank 13 is not affected.
The raw materials are added into the premixing tanks 13 for heating and premixing, in this embodiment, a material a and a material B of epoxy resin are added into a plurality of premixing tanks 13, and after heating and premixing, vacuum pumping is performed for standby. Placing a mould (not shown in the figure) into the pouring tank 12, vacuumizing the pouring tank 12 after the pouring tank 12 is sealed, introducing raw materials into the pouring tank 12 for pouring after the vacuum degree of the pouring tank 12 meets the requirement, and continuously vacuumizing by using a vacuumizing device.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a vacuumizing system is pour to mutual-inductor which characterized by: the vacuum-pumping device comprises at least two groups of vacuum-pumping devices, each vacuum-pumping device comprises a filter (5), the filters (5) are sequentially connected with a first vacuum pump (7) and a second vacuum pump (8), and a parallel pipeline (9) is connected between the first vacuum pumps (7) and the filters (5).
2. The transformer pouring vacuum-pumping system according to claim 1, characterized in that: and a water-cooling filter (6) is arranged between the first vacuum pump (7) and the filter (5).
3. The transformer pouring vacuum-pumping system according to claim 1, characterized in that: and a first air pressure gauge (11) and a second air pressure gauge (10) are respectively arranged on pipelines at two ends of the filter (5).
4. The transformer pouring vacuum-pumping system according to claim 2, characterized in that: comprises a first group of vacuum extractor (1), a second group of vacuum extractor (2), a third group of vacuum extractor (3) and a fourth group of vacuum extractor (4).
5. The transformer pouring vacuum-pumping system according to claim 4, characterized in that: the first group of vacuum extractor (1) and the second group of vacuum extractor (2) respectively comprise a pouring tank (12);
the third group of vacuumizing devices (3) and the fourth group of vacuumizing devices (4) respectively further comprise a premixing tank (13).
6. The transformer pouring vacuum-pumping system according to claim 5, characterized in that: the first vacuum pump (7) is a roots vacuum pump, and the second vacuum pump (8) is a rotary-vane vacuum pump.
7. The transformer pouring vacuum-pumping system according to claim 1, characterized in that: an exhaust chimney (19) is arranged behind the second vacuum pump (8).
8. The transformer pouring vacuum-pumping system according to claim 1, characterized in that: and a third valve (15) is arranged between each group of vacuum-pumping device pipelines and the parallel pipeline (9).
9. The transformer pouring vacuum-pumping system according to claim 5, characterized in that: a first valve (17) is arranged between the pouring tank (12) and the filter (5);
a fifth valve (18) is arranged between the premixing tank (13) and the filter (5);
and a second valve (14) is arranged between the water-cooling filter (6) and the filter (5).
10. The transformer pouring vacuum-pumping system according to claim 2, characterized in that: and fourth valves (16) are arranged between the first vacuum pump (7) and the water-cooling filter (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020962996.5U CN212717057U (en) | 2020-05-30 | 2020-05-30 | Mutual inductor pouring and vacuumizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020962996.5U CN212717057U (en) | 2020-05-30 | 2020-05-30 | Mutual inductor pouring and vacuumizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717057U true CN212717057U (en) | 2021-03-16 |
Family
ID=74948287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020962996.5U Active CN212717057U (en) | 2020-05-30 | 2020-05-30 | Mutual inductor pouring and vacuumizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717057U (en) |
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2020
- 2020-05-30 CN CN202020962996.5U patent/CN212717057U/en active Active
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