Device capable of continuously purifying air and applied to online monitoring equipment

Abstract

The invention relates to the related technical field of transformer oil monitoring, in particular to a continuous air purification device applied to online monitoring equipment, which comprises a base, a filtering structure, a primary oil pump, a primary purification device, a secondary purification device, a cooling mechanism, a secondary oil pump and an electric control box, the filtering structure is fixedly installed on the installation support, the liquid inlet end of the filtering structure is connected with a transformer oil outlet port in the transformer through the first-stage oil pipe, and the first-stage oil pump is fixed to the installation support; the primary purification device and the secondary purification device work in turn, and when one purification device operates, the other purification device can realize self-cleaning, so that sustainable operation of the device is ensured, the continuity of the treatment process is ensured, transformer oil in a transformer is stably treated, and the service life of the transformer is prolonged. Therefore, hidden danger of operation of the transformer caused by acetylene gas generated by cracking of the transformer oil is avoided.

Description

Technical Field

[0001] The invention relates to the technical field related to transformer oil monitoring, and in particular to a device for sustainable air purification applied to online monitoring equipment. Background Art

[0002] The main purpose of transformer oil acetylene monitoring is to timely detect and diagnose internal faults of the transformer to ensure the safe operation of the equipment. When the acetylene content in the transformer oil is detected to be excessive, a vacuum oil filter is required to remove the acetylene in the transformer oil. The existing Chinese patent document with announcement number CN216295319U discloses a vacuum oil filter for transformers, which includes a bottom plate, a filter box is arranged on the top of the bottom plate, a heating box is arranged on the top of the bottom plate and is located on the right side of the filter box, an oil inlet pipe with one end extending to the left side is arranged on the left side of the inner wall of the filter box, a filter screen is arranged inside the filter box and is located below the oil inlet pipe, a connecting pipe is arranged on the right side of the inner wall of the filter box and is located below the filter screen and one end passes through and extends to the inside of the heating box, a first valve is arranged on the outside of the connecting pipe, an oil outlet pipe with one end extending to the right side of the inner wall of the heating box is arranged on the right side, and an oil outlet pipe with one end extending to the right side of the inner wall of the heating box is arranged on the outside of the oil outlet pipe. A second valve having one end extending into the interior thereof, a vacuum component having one end penetrating and extending into the interior thereof is arranged on the right side of the heating box, a condensing component having one end penetrating and extending into the interior thereof is arranged on the top of the heating box, a heating plate is arranged on the inner bottom wall of the heating box, a driving component having one end penetrating and extending into the interior of the heating box is arranged on the top of the filter box, a cleaning component having one end fitted with the top of the filter screen is arranged between the left and right sides of the inner wall of the filter box, the other end of the cleaning component penetrates and extends to the top of the filter box and meshes with the driving component, a stirring component having one end movably connected to the right side of the inner wall thereof and the other end fixedly connected to the driving component is arranged on the inner top wall of the heating box; However, in the above scheme, only one processing mechanism is provided. Since the processed waste gas needs to be discharged, it cannot be continuously processed. In addition, the above scheme also requires a stirring component to stir the oil body to facilitate the discharge of the waste gas in the oil body, which makes the circuit inspection and maintenance of the equipment more complicated. For this reason, the present invention proposes a device for sustainable air purification applied to online monitoring equipment to solve the above problems. Summary of the invention

[0003] The object of the present invention is to provide a device for sustainable air purification applied to online monitoring equipment to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a device for sustainable air purification applied to online monitoring equipment, comprising: A base, on which a mounting bracket is fixedly mounted; A filter structure, wherein the filter structure is fixedly mounted on the mounting bracket, and a liquid inlet end of the filter structure is connected to a transformer oil outlet port on the transformer through a primary oil pipe; A primary oil pump, wherein the primary oil pump is fixed on the mounting bracket, and a liquid inlet end of the primary oil pump is connected to a liquid outlet end of the filter structure through a secondary oil pipe; A primary purification device, the primary purification device is fixed on the mounting bracket, and the primary purification device comprises a processing tank, an upper cover and a purification mechanism; A secondary purification device, the secondary purification device is fixed on the mounting bracket, and the secondary purification device has the same structure as the primary purification device, and the primary purification device and the secondary purification device are used to absorb acetylene gas generated by decomposition of transformer oil in the transformer; A cooling mechanism, wherein the cooling mechanism is used to cool the transformer oil flowing out of the primary purification device and the secondary purification device; A secondary oil pump, wherein the liquid inlet end of the secondary oil pump is connected to the liquid outlet end of the cooling mechanism through a primary oil return pipe, and the liquid outlet end of the secondary oil pump is connected to the transformer oil return port on the transformer through the secondary oil return pipe; An electric control box is fixed on a mounting bracket.

[0005] Preferably, the liquid inlet ends of the primary purification device and the secondary purification device are connected to the fourth-level oil pipe and the fifth-level oil pipe respectively, the liquid outlet end of the primary oil pump is connected to the third-level oil pipe, the third-level oil pipe, the fourth-level oil pipe and the fifth-level oil pipe are connected by a primary three-way connector, the liquid outlet ends of the primary purification device and the secondary purification device are connected to the sixth-level oil pipe and the seventh-level oil pipe respectively, the liquid inlet end of the cooling mechanism is connected to the eighth-level oil pipe, the sixth-level oil pipe, the seventh-level oil pipe and the eighth-level oil pipe are connected by a secondary three-way connector.

[0006] Preferably, the upper side ends of the primary purification device and the secondary purification device are both provided with an air outlet port, and the air outlet ports of the primary purification device and the secondary purification device are respectively connected to a primary air pipe and a secondary air pipe, the primary air pipe and the secondary air pipe are connected with a tertiary air pipe via a three-stage three-way connector, an exhaust gas treatment device is fixedly installed on the mounting bracket, the air inlet end of the exhaust gas treatment device is connected with a quaternary air pipe, the tertiary air pipe and the quaternary air pipe are connected via an exhaust pump, and the tertiary air pipe and the quaternary air pipe are respectively connected to the air inlet and outlet ports of the exhaust pump.

[0007] Preferably, the fourth-level oil pipe is connected to a first-level oil valve, the fifth-level oil pipe is connected to a second-level oil valve, the sixth-level oil pipe is connected to a third-level oil valve, the seventh-level oil pipe is connected to a fourth-level oil valve, the first-level air pipe is connected to a first-level air valve, and the second-level air pipe is connected to a second-level air valve. The first-level oil valve, the second-level oil valve, the third-level oil valve, the fourth-level oil valve, the first-level air valve, and the second-level air valve are all solenoid valves, and the first-level oil valve, the second-level oil valve, the third-level oil valve, the fourth-level oil valve, the first-level air valve, the second-level air valve, the first-level oil pump, the cooling mechanism, and the second-level oil pump are all connected to the electrical signal of the electric control box.

[0008] Preferably, the first-level oil valve, the third-level oil valve, and the second-level gas valve are opened synchronously, and at this time, the second-level oil valve, the fourth-level oil valve, and the first-level gas valve are in a closed state. The second-level oil valve, the fourth-level oil valve, and the first-level gas valve are opened synchronously, and at this time, the first-level oil valve, the third-level oil valve, and the second-level gas valve are in a closed state.

[0009] Preferably, an annular seat is integrally formed on the inner wall of the processing tank near the bottom, a heating cavity is opened on the annular seat, a heating mechanism is buried in the heating cavity, the heating mechanism is electrically connected to the electric control box, the upper cover is fixed to the port of the processing tank by bolts and nuts, and the purification mechanism is installed on the annular seat.

[0010] Preferably, the purification mechanism includes a connecting seat, an adsorption module and an oil distribution mesh plate, the connecting seat is arranged in a snowflake shape, and the connecting seat is set on the annular seat, the adsorption module includes a primary annular seat, a secondary annular seat, a tertiary annular seat, a primary separation layer, a secondary separation layer, a tertiary separation layer, a fourth separation layer, a fifth separation layer, and a sixth separation layer, the primary annular seat, the secondary annular seat, and the third annular seat are all fixed on the connecting seat, and the primary annular seat, the secondary annular seat, the third annular seat, the primary separation layer, the secondary separation layer, the third separation layer, the fourth separation layer, the fifth separation layer, and the sixth separation layer are all cylindrical mesh plates The primary partition layer and the secondary partition layer are fixed on the inner and outer sides of the primary annular seat, the tertiary partition layer and the fourth partition layer are fixed on the inner and outer sides of the secondary annular seat, the fifth and sixth partition layers are fixed on the inner and outer sides of the third annular seat, the primary partition layer, the second partition layer and the primary annular seat are enclosed to form a primary storage cavity, the third and fourth partition layers and the secondary annular seat are enclosed to form a secondary storage cavity, the fifth and sixth partition layers and the third annular seat are enclosed to form a third storage cavity, and the primary storage cavity, the secondary storage cavity and the third storage cavity are all filled with molecular sieves.

[0011] Preferably, the inner walls of the primary partition layer, the tertiary partition layer and the fifth partition layer are respectively formed with a primary inner oil return plate, a secondary inner oil return plate and a tertiary inner oil return plate, and the outer walls of the secondary partition layer, the fourth partition layer and the sixth partition layer are respectively formed with a primary outer oil return plate, a secondary outer oil return plate and a tertiary outer oil return plate, and the primary inner oil return plate, the secondary inner oil return plate, the third inner oil return plate, the primary outer oil return plate, the secondary outer oil return plate and the tertiary outer oil return plate are all arranged in a ring shape, and the inner ends of the primary inner oil return plate, the secondary inner oil return plate and the tertiary inner oil return plate are all arranged to be inclined upward, and the outer ends of the primary outer oil return plate, the secondary outer oil return plate and the tertiary outer oil return plate are all arranged to be inclined upward, and gaps are left between the secondary inner oil return plate, the third inner oil return plate, the primary outer oil return plate, the secondary outer oil return plate and the adjacent partition layers, and a gap is left between the tertiary outer oil return plate and the inner wall of the treatment tank.

[0012] Preferably, the first-level inner oil return plate, the second-level inner oil return plate, the third-level inner oil return plate, the first-level outer oil return plate, the second-level outer oil return plate, and the third-level outer oil return plate are evenly spaced and arranged in multiple layers; the first-level outer oil return plate and the second-level inner oil return plate are staggered, and the first-level outer oil return plate and the second-level inner oil return plate have overlapping areas in the horizontal plane; the second-level outer oil return plate and the third-level inner oil return plate are staggered, and the second-level outer oil return plate and the third-level inner oil return plate have overlapping areas in the horizontal plane; a sealing rubber ring is fixedly glued to the edge of the oil distribution mesh plate, and when the oil distribution mesh plate is actually installed, the sealing rubber ring is under pressure.

[0013] Preferably, the inlet rate of the liquid inlet end on the processing tank is the same as the sum of the oil falling rates of all the mesh holes on the oil distribution mesh plate, and the lower surface of the oil distribution mesh plate is integrally formed with an inner oil guide ring and an outer oil guide ring, and the mesh holes on the oil distribution mesh plate are located between the inner oil guide ring and the outer oil guide ring, and the projection of the inner oil guide ring on the horizontal plane is located within the coverage range of the first-level inner oil return plate, and the projection of the outer oil guide ring on the horizontal plane is located within the coverage range of the third-level outer oil return plate, and a column is fixedly connected to the upper surface of the connecting seat, and the oil distribution mesh plate is positioned on the column by screws.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. A sustainable air purification device for online monitoring equipment is provided, which is composed of a base, a filtering structure, a primary oil pump, a primary purification device, a secondary purification device, a cooling mechanism, a secondary oil pump and an electric control box. The primary purification device and the secondary purification device work in turn, and when one of the purification devices is in operation, the other purification device can achieve self-cleaning, thereby ensuring the sustainable operation of the device, thereby ensuring the continuity of the treatment process, and stably treating the transformer oil in the transformer, thereby avoiding the hidden danger of transformer operation caused by acetylene gas generated by the decomposition of the transformer oil; 2. The primary purification device and the secondary purification device are both configured to be composed of a treatment tank, an upper cover and a purification mechanism, and the adsorption module in the purification mechanism is configured to be composed of a primary annular seat, a secondary annular seat, a tertiary annular seat, a primary partition layer, a secondary partition layer, a tertiary partition layer, a quaternary partition layer, a fifth partition layer and a sixth partition layer, and molecular sieves are filled in the primary storage cavity, the secondary storage cavity and the tertiary storage cavity of the purification mechanism to form a multi-layer molecular sieve layer, and gaps are left between adjacent molecular sieve layers, thereby ensuring the contact effect between the transformer oil and the molecular sieve, thereby improving the removal effect of acetylene gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the front structure of the present invention; Figure 2 for Figure 1 A schematic diagram of the structure enlargement in the middle; Figure 3 It is a schematic diagram of the rear structure of the present invention; Figure 4 It is a half-section view of the primary purification device of the present invention; Figure 5 for Figure 4 A magnified schematic diagram of the structure at B in the middle; Figure 6 for Figure 4 A magnified schematic diagram of the structure at C in the middle; Figure 7 It is a schematic diagram of the purification mechanism of the present invention; Figure 8 A half-section view of the purification mechanism of the present invention; Fig. 9 for Figure 8 Enlarged schematic diagram of the structure at point D in the middle.

[0016] In the figure: base 1, filtering structure 2, primary oil pump 3, primary purification device 4, secondary purification device 5, cooling mechanism 6, secondary oil pump 7, air pump 8, exhaust gas treatment device 9, electric control box 10, primary oil pipe 11, secondary oil pipe 12, tertiary oil pipe 13, primary three-way connector 14, fourth oil pipe 15, fifth oil pipe 16, primary air pipe 17, second air pipe 18, third three-way connector 19, third air pipe 20, fourth air pipe 21, mounting bracket 22, sixth oil pipe 23, seventh oil pipe 24, second three-way connector 25, second oil return pipe 26, primary oil valve 27, second oil valve 28, primary air valve 29, second air valve 30, third oil valve 31. Four-stage oil valve 32. Processing tank 33. Upper cover 34. Purification mechanism 35. Annular seat 36. Heating mechanism 37. Connecting seat 38. Adsorption module 39. Oil distribution mesh plate 40. Primary annular seat 41. Secondary annular seat 42. Thirdary annular seat 43. Primary partition layer 44. Secondary partition layer 45. Thirdary partition layer 46. Fourth-stage partition layer 47. Fifth-stage partition layer 48. Sixth-stage partition layer 49. Primary inner oil return plate 50. Primary outer oil return plate 51. Secondary inner oil return plate 52. Secondary outer oil return plate 53. Third-stage inner oil return plate 54. Third-stage outer oil return plate 55. Molecular sieve 56. Internal oil guide ring 57. External oil guide ring 58. Column 59. Sealing rubber ring 60. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 9 The present invention provides the following three preferred embodiments: Embodiment 1: A device for sustainable air purification applied to online monitoring equipment, comprising a base 1, a filter structure 2, a primary oil pump 3, a primary purification device 4, a secondary purification device 5, a cooling mechanism 6, a secondary oil pump 7 and an electric control box 10, wherein a mounting bracket 22 is fixedly mounted on the base 1, the filter structure 2 is fixedly mounted on the mounting bracket 22, and the liquid inlet end of the filter structure 2 is connected to the transformer oil outlet port on the transformer through a primary oil pipe 11, the primary oil pump 3 is fixed on the mounting bracket 22, and the liquid inlet end of the primary oil pump 3 is connected to the liquid outlet end of the filter structure 2 through a secondary oil pipe 12, the primary purification device 4 is fixed on the mounting bracket 22, and the primary purification device 5 is fixed on the mounting bracket 22. The device 4 includes a processing tank 33, an upper cover 34 and a purification mechanism 35. The secondary purification device 5 is fixed on the mounting bracket 22, and the secondary purification device 5 has the same structure as the primary purification device 4. The primary purification device 4 and the secondary purification device 5 are used to absorb the acetylene gas generated by the cracking of the transformer oil in the transformer. The cooling mechanism 6 is used to cool the transformer oil flowing out of the primary purification device 4 and the secondary purification device 5. The liquid inlet end of the secondary oil pump 7 is connected to the liquid outlet end of the cooling mechanism 6 through the primary return oil pipe, and the liquid outlet end of the secondary oil pump 7 is connected to the transformer oil return port on the transformer through the secondary return oil pipe 26. The electric control box 10 is fixed on the mounting bracket 22.

[0019] The liquid inlet ends of the primary purification device 4 and the secondary purification device 5 are respectively connected to the fourth-level oil pipe 15 and the fifth-level oil pipe 16, the liquid outlet end of the primary oil pump 3 is connected to the third-level oil pipe 13, the third-level oil pipe 13, the fourth-level oil pipe 15, and the fifth-level oil pipe 16 are connected through a primary three-way connector 14, the liquid outlet ends of the primary purification device 4 and the secondary purification device 5 are respectively connected to the sixth-level oil pipe 23 and the seventh-level oil pipe 24, the liquid inlet end of the cooling mechanism 6 is connected to the eighth-level oil pipe, and the sixth-level oil pipe 23, the seventh-level oil pipe 24, and the eighth-level oil pipe are connected through a secondary three-way connector 25.

[0020] The upper side ends of the primary purification device 4 and the secondary purification device 5 are both provided with an outlet port, and the outlet ports of the primary purification device 4 and the secondary purification device 5 are respectively connected to the primary air pipe 17 and the secondary air pipe 18, the primary air pipe 17 and the secondary air pipe 18 are connected to the tertiary air pipe 20 through the tertiary three-way connector 19, the exhaust gas treatment device 9 is fixedly installed on the mounting bracket 22, the air inlet end of the exhaust gas treatment device 9 is connected to the quaternary air pipe 21, the tertiary air pipe 20 and the quaternary air pipe 21 are connected through the vacuum pump 8, and the tertiary air pipe 20 and the quaternary air pipe 21 are respectively connected to the air inlet and outlet ports of the vacuum pump 8.

[0021] The fourth-level oil pipe 15 is connected to a first-level oil valve 27, the fifth-level oil pipe 16 is connected to a second-level oil valve 28, the sixth-level oil pipe 23 is connected to a third-level oil valve 31, the seventh-level oil pipe 24 is connected to a fourth-level oil valve 32, the first-level air pipe 17 is connected to a first-level air valve 29, and the second-level air pipe 18 is connected to a second-level air valve 30. The first-level oil valve 27, the second-level oil valve 28, the third-level oil valve 31, the fourth-level oil valve 32, the first-level air valve 29, and the second-level air valve 30 are all solenoid valves, and the first-level oil valve 27, the second-level oil valve 28, the third-level oil valve 31, the fourth-level oil valve 32, the first-level air valve 29, the second-level air valve 30, the first-level oil pump 3, the cooling mechanism 6, and the second-level oil pump 7 are all connected to the electric control box 10 with electrical signals.

[0022] The primary oil valve 27, the tertiary oil valve 31, and the secondary gas valve 30 are opened synchronously, and at this time, the secondary oil valve 28, the quaternary oil valve 32, and the primary gas valve 29 are in a closed state. The secondary oil valve 28, the quaternary oil valve 32, and the primary gas valve 29 are opened synchronously, and at this time, the primary oil valve 27, the tertiary oil valve 31, and the secondary gas valve 30 are in a closed state. By setting a sustainable air purification device for online monitoring equipment composed of a base 1, a filtering structure 2, a primary oil pump 3, a primary purification device 4, a secondary purification device 5, a cooling mechanism 6, a secondary oil pump 7 and an electric control box 10, the primary purification device 4 and the secondary purification device 5 work in turn, and when one of the purification devices is running, the other purification device can achieve self-cleaning, thereby ensuring the sustainable operation of the device, thereby ensuring the continuity of the treatment process, so as to stably treat the transformer oil in the transformer, thereby avoiding the acetylene gas generated by the decomposition of the transformer oil causing the operation hidden danger of the transformer.

[0023] An annular seat 36 is integrally formed on the inner wall of the processing tank 33 near the bottom. A heating cavity is opened on the annular seat 36. A heating mechanism 37 is buried in the heating cavity. The heating mechanism 37 is electrically connected to the electric control box 10. The upper cover 34 is fixed to the port of the processing tank 33 by bolts and nuts. The purification mechanism 35 is installed on the annular seat 36. The setting of the heating mechanism 37 can promote the separation of acetylene gas and transformer oil.

[0024] Embodiment 2: On the basis of embodiment 1, the purification mechanism 35 includes a connecting seat 38, an adsorption module 39 and an oil distribution mesh plate 40, the connecting seat 38 is arranged in a snowflake shape, and the connecting seat 38 is set on the annular seat 36, the adsorption module 39 includes a primary annular seat 41, a secondary annular seat 42, a tertiary annular seat 43, a primary separation layer 44, a secondary separation layer 45, a tertiary separation layer 46, a quaternary separation layer 47, a quinary separation layer 48, and a quinary separation layer 49, and the primary annular seat 41, the secondary annular seat 42, and the tertiary annular seat 43 are all fixed on the connecting seat On the upper surface of the first annular seat 41, the second annular seat 42, the third annular seat 43, the first partition layer 44, the second partition layer 45, the third partition layer 46, the fourth partition layer 47, the fifth partition layer 48, and the sixth partition layer 49 are all cylindrical mesh plates. The first partition layer 44 and the second partition layer 45 are fixed on the inner and outer sides of the first annular seat 41, the third partition layer 46 and the fourth partition layer 47 are fixed on the inner and outer sides of the second annular seat 42, the fifth partition layer 48 and the sixth partition layer 49 are fixed on the inner and outer sides of the third annular seat 43, and the first partition layer 44, the second partition layer 45, the third partition layer 46, and the fourth partition layer 47 are fixed on the inner and outer sides of the second annular seat 42. The first-stage partition layer 45 and the first-stage annular seat 41 are enclosed to form a first-stage storage cavity, the third-stage partition layer 46, the fourth-stage partition layer 47, and the second-stage annular seat 42 are enclosed to form a second-stage storage cavity, the fifth-stage partition layer 48, the sixth-stage partition layer 49, and the third-stage annular seat 43 are enclosed to form a third-stage storage cavity, and the first-stage storage cavity, the second-stage storage cavity, and the third-stage storage cavity are all filled with molecular sieves 56, by setting the first-stage purification device 4 and the second-stage purification device 5 to be composed of a combination of a processing tank 33, an upper cover 34 and a purification mechanism 35, and the adsorption in the purification mechanism 35 is The auxiliary module 39 is configured to be composed of a primary annular seat 41, a secondary annular seat 42, a tertiary annular seat 43, a primary partition layer 44, a secondary partition layer 45, a tertiary partition layer 46, a quaternary partition layer 47, a fifth partition layer 48, and a sixth partition layer 49, and a molecular sieve 56 is filled in the primary storage cavity, the secondary storage cavity, and the tertiary storage cavity of the purification mechanism 35 to form a multi-layer molecular sieve layer, and gaps are left between adjacent molecular sieve layers to ensure the contact effect between the transformer oil and the molecular sieve 56, thereby improving the removal effect of acetylene gas.

[0025] Embodiment 3: On the basis of embodiment 2, the inner side walls of the primary partition layer 44, the third partition layer 46, and the fifth partition layer 48 are respectively formed with a primary inner oil return plate 50, a secondary inner oil return plate 52, and a third inner oil return plate 54, and the outer side walls of the secondary partition layer 45, the fourth partition layer 47, and the sixth partition layer 49 are respectively formed with a primary outer oil return plate 51, a secondary outer oil return plate 53, and a third outer oil return plate 55. The primary inner oil return plate 50, the secondary inner oil return plate 52, the third inner oil return plate 54, the primary outer oil return plate 51, the secondary outer oil return plate 53, and the third outer oil return plate 55 are all arranged in an annular shape, and the inner side ends of the primary inner oil return plate 50, the secondary inner oil return plate 52, and the third inner oil return plate 54 are all arranged to be inclined upward, and the primary outer oil return plate 51, the secondary outer oil return plate 53. The outer ends of the three-stage outer oil return plate 55 are all inclined upward. There are gaps between the two-stage inner oil return plate 52, the three-stage inner oil return plate 54, the one-stage outer oil return plate 51, the two-stage outer oil return plate 53 and the adjacent partition layers. There is a gap between the three-stage outer oil return plate 55 and the inner wall of the treatment tank 33. The arrangement of the one-stage inner oil return plate 50, the two-stage inner oil return plate 52, the three-stage inner oil return plate 54, the one-stage outer oil return plate 51, the two-stage outer oil return plate 53 and the three-stage outer oil return plate 55 can ensure that the transformer oil is fully in contact with the molecular sieve 56, thereby ensuring the absorption effect of the molecular sieve 56 on the acetylene gas, and the transformer oil reciprocatingly flows through the mesh holes on the partition layer, which can allow the transformer oil to be reciprocated and diverted, so that the acetylene gas in the transformer oil can be fully separated.

[0026] The first-level inner oil return plate 50, the second-level inner oil return plate 52, the third-level inner oil return plate 54, the first-level outer oil return plate 51, the second-level outer oil return plate 53, and the third-level outer oil return plate 55 are evenly spaced and arranged in multiple layers. The first-level outer oil return plate 51 and the second-level inner oil return plate 52 are staggered, and the first-level outer oil return plate 51 and the second-level inner oil return plate 52 have overlapping areas in the horizontal plane. The second-level outer oil return plate 53 and the third-level inner oil return plate 54 are staggered, and the second-level outer oil return plate 53 and the third-level inner oil return plate 54 have overlapping areas in the horizontal plane. The edge of the oil distribution mesh plate 40 is fixedly glued with a sealing rubber ring 60, and when the oil distribution mesh plate 40 is actually installed, the sealing rubber ring 60 is in a compressed state to ensure that the oil droplets falling from the oil distribution mesh plate 40 are completely in contact with the molecular sieve 56, thereby ensuring the treatment effect of the transformer oil.

[0027] The rate of oil inlet at the liquid inlet end of the processing tank 33 is the same as the sum of the oil drop rates of all the mesh holes on the oil distribution mesh plate 40. The lower surface of the oil distribution mesh plate 40 is integrally formed with an inner oil guide ring 57 and an outer oil guide ring 58. The mesh holes on the oil distribution mesh plate 40 are located between the inner oil guide ring 57 and the outer oil guide ring 58, and the projection of the inner oil guide ring 57 on the horizontal plane is located within the coverage range of the first-level inner oil return plate 50, and the projection of the outer oil guide ring 58 on the horizontal plane is located within the coverage range of the third-level outer oil return plate 55. A column 59 is fixedly connected to the upper surface of the connecting seat 38, and the oil distribution mesh plate 40 is positioned on the column 59 by screws.

[0028] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A device for sustainable air purification applied to online monitoring equipment, characterized in that: include: A base (1), wherein a mounting bracket (22) is fixedly mounted on the base (1); A filter structure (2), wherein the filter structure (2) is fixedly mounted on a mounting bracket (22), and a liquid inlet end of the filter structure (2) is connected to a transformer oil outlet port on the transformer via a primary oil pipe (11); A primary oil pump (3), wherein the primary oil pump (3) is fixed on the mounting bracket (22), and a liquid inlet end of the primary oil pump (3) is connected to a liquid outlet end of the filter structure (2) via a secondary oil pipe (12); A primary purification device (4), the primary purification device (4) being fixed on the mounting bracket (22), the primary purification device (4) comprising a processing tank (33), an upper cover (34) and a purification mechanism (35); A secondary purification device (5), the secondary purification device (5) being fixed on the mounting bracket (22), and the secondary purification device (5) having the same structure as the primary purification device (4), the primary purification device (4) and the secondary purification device (5) being used to absorb acetylene gas generated by decomposition of transformer oil in the transformer; A cooling mechanism (6), the cooling mechanism (6) being used to cool the transformer oil flowing out of the primary purification device (4) and the secondary purification device (5); A secondary oil pump (7), wherein the liquid inlet end of the secondary oil pump (7) is connected to the liquid outlet end of the cooling mechanism (6) via a primary oil return pipe, and the liquid outlet end of the secondary oil pump (7) is connected to a transformer oil return port on the transformer via a secondary oil return pipe (26); An electric control box (10), wherein the electric control box (10) is fixed on a mounting bracket (22).

2. The device for sustainable air purification applied to online monitoring equipment according to claim 1, characterized in that: The liquid inlet ends of the primary purification device (4) and the secondary purification device (5) are connected to a fourth-level oil pipe (15) and a fifth-level oil pipe (16), respectively; the liquid outlet end of the primary oil pump (3) is connected to a third-level oil pipe (13); the third-level oil pipe (13), the fourth-level oil pipe (15) and the fifth-level oil pipe (16) are connected via a primary three-way connector (14); the liquid outlet ends of the primary purification device (4) and the secondary purification device (5) are connected to a sixth-level oil pipe (23) and a seventh-level oil pipe (24), respectively; the liquid inlet end of the cooling mechanism (6) is connected to an eighth-level oil pipe; the sixth-level oil pipe (23), the seventh-level oil pipe (24) and the eighth-level oil pipe are connected via a secondary three-way connector (25).

3. The device for sustainable air purification applied to online monitoring equipment according to claim 2, characterized in that: The upper side ends of the primary purification device (4) and the secondary purification device (5) are both provided with gas outlet ports, and the gas outlet ports of the primary purification device (4) and the secondary purification device (5) are respectively connected to a primary gas pipe (17) and a secondary gas pipe (18), the primary gas pipe (17) and the secondary gas pipe (18) are connected to a tertiary gas pipe (20) via a tertiary three-way connector (19), an exhaust gas treatment device (9) is fixedly mounted on the mounting bracket (22), an exhaust gas treatment device (9) is connected to an exhaust gas inlet end thereof with a quaternary gas pipe (21), the tertiary gas pipe (20) and the quaternary gas pipe (21) are connected via an exhaust pump (8), and the tertiary gas pipe (20) and the quaternary gas pipe (21) are respectively connected to the exhaust gas inlet and exhaust ports of the exhaust pump (8).

4. The device for sustainable air purification applied to online monitoring equipment according to claim 3, characterized in that: The fourth-level oil pipe (15) is connected to a first-level oil valve (27), the fifth-level oil pipe (16) is connected to a second-level oil valve (28), the sixth-level oil pipe (23) is connected to a third-level oil valve (31), the seventh-level oil pipe (24) is connected to a fourth-level oil valve (32), the first-level air pipe (17) is connected to a first-level air valve (29), and the second-level air pipe (18) is connected to a second-level air valve (30). The first-level oil valve (27), the second-level oil valve (28), the third-level oil valve (31), the fourth-level oil valve (32), the first-level air valve (29), and the second-level air valve (30) are all solenoid valves, and the first-level oil valve (27), the second-level oil valve (28), the third-level oil valve (31), the fourth-level oil valve (32), the first-level air valve (29), the second-level air valve (30), the first-level oil pump (3), the cooling mechanism (6), and the second-level oil pump (7) are all connected to the electric control box (10) via electrical signals.

5. The device for sustainable air purification applied to online monitoring equipment according to claim 4, characterized in that: The first-stage oil valve (27), the third-stage oil valve (31), and the second-stage gas valve (30) are opened synchronously, and at this time, the second-stage oil valve (28), the fourth-stage oil valve (32), and the first-stage gas valve (29) are in a closed state. The second-stage oil valve (28), the fourth-stage oil valve (32), and the first-stage gas valve (29) are opened synchronously, and at this time, the first-stage oil valve (27), the third-stage oil valve (31), and the second-stage gas valve (30) are in a closed state.

6. The device for sustainable air purification applied to online monitoring equipment according to claim 5, characterized in that: An annular seat (36) is integrally formed on the inner wall of the processing tank (33) near the bottom, a heating cavity is provided on the annular seat (36), a heating mechanism (37) is buried in the heating cavity, the heating mechanism (37) is electrically connected to the electric control box (10), the upper cover (34) is fixed to the port of the processing tank (33) by bolts and nuts, and the purification mechanism (35) is mounted on the annular seat (36).

7. The device for sustainable air purification applied to online monitoring equipment according to claim 6, characterized in that: The purification mechanism (35) comprises a connecting seat (38), an adsorption module (39) and an oil distribution mesh plate (40); the connecting seat (38) is arranged in a snowflake shape and is mounted on the annular seat (36); the adsorption module (39) comprises a primary annular seat (41), a secondary annular seat (42), a tertiary annular seat (43), a primary separation layer (44), a secondary separation layer (45), a tertiary separation layer (46), a fourth separation layer (47), a fifth separation layer (48) and a sixth separation layer (49); the primary annular seat (41), the secondary annular seat (42) and the tertiary annular seat (43) are all fixed on the connecting seat (38); the primary annular seat (41), the secondary annular seat (42), the tertiary annular seat (43), the primary separation layer (44), the secondary separation layer (45), the tertiary separation layer (46), the fourth separation layer (47) and the fifth separation layer The first-level partition layer (44) and the second-level partition layer (45) are all cylindrical mesh plates. The first-level partition layer (44) and the second-level partition layer (45) are fixed on the inner and outer sides of the first-level annular seat (41). The third-level partition layer (46) and the fourth-level partition layer (47) are fixed on the inner and outer sides of the second-level annular seat (42). The fifth-level partition layer (48) and the sixth-level partition layer (49) are fixed on the inner and outer sides of the third-level annular seat (43). The first-level partition layer (44), the second-level partition layer (45) and the first-level annular seat (41) are enclosed to form a first-level storage cavity. The third-level partition layer (46), the fourth-level partition layer (47) and the second-level annular seat (42) are enclosed to form a second-level storage cavity. The fifth-level partition layer (48), the sixth-level partition layer (49) and the third-level annular seat (43) are enclosed to form a third-level storage cavity. The first-level storage cavity, the second-level storage cavity and the third-level storage cavity are all filled with molecular sieves (56).

8. The device for sustainable air purification applied to online monitoring equipment according to claim 7, characterized in that: The inner side walls of the first-level partition layer (44), the third-level partition layer (46), and the fifth-level partition layer (48) are respectively formed with a first-level inner oil return plate (50), a second-level inner oil return plate (52), and a third-level inner oil return plate (54); the outer side walls of the second-level partition layer (45), the fourth-level partition layer (47), and the sixth-level partition layer (49) are respectively formed with a first-level outer oil return plate (51), a second-level outer oil return plate (53), and a third-level outer oil return plate (55); the first-level inner oil return plate (50), the second-level inner oil return plate (52), the third-level inner oil return plate (54), the first-level outer oil return plate (51), and the second-level outer oil return plate (53) ), and the third-stage outer oil return plate (55) are all arranged in an annular shape; the inner ends of the first-stage inner oil return plate (50), the second-stage inner oil return plate (52), and the third-stage inner oil return plate (54) are all arranged to be inclined upward; the outer ends of the first-stage outer oil return plate (51), the second-stage outer oil return plate (53), and the third-stage outer oil return plate (55) are all arranged to be inclined upward; gaps are left between the second-stage inner oil return plate (52), the third-stage inner oil return plate (54), the first-stage outer oil return plate (51), and the second-stage outer oil return plate (53) and adjacent separation layers; and a gap is left between the third-stage outer oil return plate (55) and the inner wall of the processing tank (33).

9. The device for sustainable air purification applied to online monitoring equipment according to claim 8, characterized in that: The first-level inner oil return plate (50), the second-level inner oil return plate (52), the third-level inner oil return plate (54), the first-level outer oil return plate (51), the second-level outer oil return plate (53), and the third-level outer oil return plate (55) are arranged in multiple layers at equal intervals; the first-level outer oil return plate (51) and the second-level inner oil return plate (52) are arranged in a staggered manner, and the first-level outer oil return plate (51) and the second-level inner oil return plate (52) have overlapping areas in a horizontal plane; the second-level outer oil return plate (53) and the third-level inner oil return plate (54) are arranged in a staggered manner, and the second-level outer oil return plate (53) and the third-level inner oil return plate (54) have overlapping areas in a horizontal plane; a sealing rubber ring (60) is fixedly glued to the edge of the oil distribution mesh plate (40), and when the oil distribution mesh plate (40) is actually installed, the sealing rubber ring (60) is in a compressed state.

10. The device for sustainable air purification applied to online monitoring equipment according to claim 9, characterized in that: The rate of inlet of the liquid inlet end of the processing tank (33) is the same as the sum of the oil drop rates of all mesh holes on the oil distribution mesh plate (40); an inner oil guide ring (57) and an outer oil guide ring (58) are integrally formed on the lower surface of the oil distribution mesh plate (40); the mesh holes on the oil distribution mesh plate (40) are located between the inner oil guide ring (57) and the outer oil guide ring (58); the projection of the inner oil guide ring (57) on a horizontal plane is located within the coverage range of the first-stage inner oil return plate (50); the projection of the outer oil guide ring (58) on a horizontal plane is located within the coverage range of the third-stage outer oil return plate (55); a column (59) is fixedly connected to the upper surface of the connecting seat (38); and the oil distribution mesh plate (40) is positioned on the column (59) by screws.

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