Explosion-proof magnetic liquid level meter with high sealing performance

Abstract

The utility model discloses a high leakproofness anti-explosion magnetic liquidometer, the liquidometer comprises a liquidometer main body, a magnetic floater, a magnetic indicator, a sealing system and an anti-explosion mechanism, the liquidometer main body is internally provided with an internal space, the internal space is a measuring chamber, the magnetic floater is arranged in the measuring chamber, and the magnetic indicator is arranged in the measuring chamber. The magnetic indicator is connected with the magnetic floater in a coupling mode, the sealing system comprises at least one sealing piece, the sealing system comprises a floating sealing assembly, the floating sealing assembly comprises a main sealing body, a floating sealing ring, a supporting structure and a fastener, the main sealing body is fixed to the liquid level meter body, and the floating sealing ring is fixed to the main sealing body. The floating sealing ring is matched with the main sealing body and wound on the floater or the supporting rod of the floater, the floating sealing ring is arranged on the supporting structure, the sealing performance of the liquid level meter is remarkably improved, the risk of leakage is reduced, the anti-explosion performance of the liquid level meter is improved, and therefore the service life of equipment is prolonged.

Description

Technical Field

[0001] The invention belongs to the technical field of magnetic liquid level gauges, and in particular relates to a highly sealed explosion-proof magnetic liquid level gauge. Background Art

[0002] In the field of industrial automation and process control, liquid level measurement is a key link to ensure the safety and efficiency of fluid systems. Magnetic level gauges are widely used for level monitoring of various liquids due to their simple structure, easy maintenance and intuitive reading method. However, traditional magnetic level gauges have some limitations in terms of sealing and explosion-proof performance. For example, they may use standard seals that are prone to failure when faced with extreme temperatures, pressures or chemically corrosive media, resulting in potential leakage risks. In addition, in flammable and explosive environments such as petroleum and chemical industries, existing level gauges may lack sufficient explosion-proof measures and cannot meet strict safety standards.

[0003] Existing sealing technologies, such as O-rings and gaskets, perform well in many applications, but may require frequent replacement in long-term operation or harsh conditions, increasing maintenance costs and downtime. At the same time, the performance limitations of these seals in high temperature, high pressure or chemically corrosive environments limit the use of magnetic level gauges in a wider range of industrial applications.

[0004] At the same time, with the improvement of industrial safety standards and the enhancement of environmental protection awareness, the market demand for level gauges that can provide higher sealing performance and explosion-proof capabilities is growing. Summary of the invention

[0005] To achieve the above-mentioned purpose, the technical solution of the present invention is as follows: a highly sealed explosion-proof magnetic liquid level gauge, the liquid level gauge comprising a liquid level gauge body, a magnetic float, a magnetic indicator, a sealing system and an explosion-proof mechanism, an internal space is provided in the liquid level gauge body, the internal space is a measuring chamber, the magnetic float is arranged in the measuring chamber, the magnetic indicator is coupled to the magnetic float, and the sealing system comprises at least one seal.

[0006] As an improvement of the present utility model, the sealing system includes a floating seal assembly, which includes a main seal body, a floating seal ring, a support structure, and a fastener. The main seal body is fixed on the liquid level gauge body, the floating seal ring cooperates with the main seal body, is wound around the float or its support rod, and the floating seal ring is arranged on the support structure.

[0007] Based on the above technical features, a contact interface is formed between the floating sealing ring and the relatively moving parts, such as a float or a support rod. This interface fills any microscopic unevenness through the elastic deformation of the sealing material, thereby achieving sealing.

[0008] As an improvement of the present utility model, the sealing system also includes a guide device, which includes a guide sleeve, a guide pin, a guide slide rail and a guide bracket. The guide sleeve is arranged on the liquid level meter body, the guide pin passes through the floating sealing ring or cooperates with it, and the guide plate is a flat-plate component arranged on the liquid level meter body or the supporting structure.

[0009] Based on the above technical features, the guide device is a cylindrical component fixed on the liquid level gauge body or supporting structure, providing a guide for linear motion of the floating sealing ring or float, and is fixed on the liquid level gauge body or supporting structure by fasteners (such as bolts, screws) or welding.

[0010] The guide pin is an elongated rod-shaped component that passes through the floating seal ring or cooperates with it to limit its lateral movement and ensure linear movement along the guide sleeve. It is welded or fastened to the floating seal ring or the supporting structure.

[0011] Preferably, it also includes a guide bearing, which is installed on the supporting structure and cooperates with the floating sealing ring or the float. It can be a rolling bearing or a sliding bearing, which is used to support the floating sealing ring or the float, reduce friction, and provide stable guidance.

[0012] The guide rail is a long rail that can be straight or curved, used to guide the floating seal ring or float to move along a specific path; it is fixed to the level meter body or supporting structure by welding, bolting or clamping. The guide bracket is fixed to the level meter body by bolts and is used to support and fix other parts of the guide device.

[0013] As an improvement of the utility model, the explosion-proof mechanism includes an explosion-proof shell, an explosion-proof filling layer is formed between the explosion-proof shell and the liquid level meter body, and an explosion-proof filler is arranged in the explosion-proof filling layer. The explosion-proof filler includes explosion-proof clay, filling sand, and the like.

[0014] Based on the above technical features, the explosion-proof housing can be made of carbon steel or other alloy materials.

[0015] As an improvement of the present invention, the magnetic indicator includes at least one transparent window.

[0016] As an improvement of the utility model, the outer surface of the magnetic float is coated with a smooth anti-corrosion coating.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the utility model significantly improves the sealing performance of the liquid level meter, reduces the risk of leakage, and improves the explosion-proof performance of the liquid level meter, thereby increasing the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the magnetic level gauge in this embodiment;

[0019] Figure 2 For this embodiment Figure 1 Schematic diagram of the sealing system structure.

[0020] List of illustration symbols: 1-level meter body, 2-magnetic float, 3-magnetic indicator, 4-sealing system, 5-explosion-proof mechanism, 6-measuring chamber, 7-main sealing body, 8-floating sealing ring, 9-support structure, 10-fastener, 11-guide sleeve, 12-guide pin, 13-transparent window, 14-guide rail, 15-guide bracket, 16-explosion-proof casing, 17-explosion-proof filling layer, 18-explosion-proof filler. DETAILED DESCRIPTION

[0021] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0022] Example: Figure 1-2 This embodiment is a highly sealed explosion-proof magnetic level gauge, which includes a level gauge body 1, a magnetic float 2, a magnetic indicator 3, a sealing system 4 and an explosion-proof mechanism 5. The level gauge body 1 is provided with an internal space, which is a measuring chamber 6. The magnetic float 2 is arranged in the measuring chamber 6. The magnetic indicator 3 is coupled to the magnetic float 2, and the sealing system 4 includes at least one seal.

[0023] Furthermore, the sealing system 4 includes a floating seal assembly, which includes a main seal body 7, a floating seal ring 8, a support structure 9, and a fastener 10. The main seal body 7 is fixed to the level gauge body 1, and the floating seal ring 8 cooperates with the main seal body 7 and is wound around the float. The floating seal ring 8 is arranged on the support structure 9. A contact interface is formed between the floating seal ring 8 and the relatively moving parts, such as the float, and this interface fills any microscopic unevenness through the elastic deformation of the sealing material, thereby achieving sealing.

[0024] Furthermore, the sealing system 4 also includes a guide device, which includes a guide sleeve 11, a guide pin 12, a guide rail 14 and a guide bracket 15. The guide sleeve 11 is arranged on the liquid level meter body 1, the guide pin 12 passes through the floating seal ring 8 or cooperates with it, and the guide plate is a flat plate-shaped component arranged on the liquid level meter body 1 or the supporting structure 9. The guide device is a cylindrical component, which is fixed on the liquid level meter body 1 or the supporting structure 9, provides a linear motion guide for the floating seal ring 8 or the float, and is fixed to the liquid level meter body 1 or the supporting structure 9 by fasteners 10 (such as bolts, screws) or welding.

[0025] The guide pin 12 is an elongated rod-shaped component that passes through the floating seal ring 8 or cooperates with it to limit its lateral movement and ensure linear movement along the guide sleeve 11. It is welded or fastened to the floating seal ring 8 or the supporting structure 9.

[0026] Preferably, it also includes a guide bearing, which is installed on the supporting structure 9 and cooperates with the floating sealing ring 8 or the float. It can be a rolling bearing or a sliding bearing, which is used to support the floating sealing ring 8 or the float, reduce friction, and provide stable guidance.

[0027] The guide rail 14 is a long rail, which can be straight or curved, and is used to guide the floating seal ring 8 or the float to move along a specific path; it is fixed to the level meter body 1 or the support structure 9 by welding, bolting or clamping. The guide bracket 15 is fixed to the level meter body 1 by bolts, and is used to support and fix other components of the guide device.

[0028] Furthermore, the explosion-proof mechanism 5 includes an explosion-proof housing 16, an explosion-proof filling layer 17 is formed between the explosion-proof housing 16 and the liquid level meter body 1, and an explosion-proof filler 18 is arranged in the explosion-proof filling layer 17. The explosion-proof filler 18 includes explosion-proof clay, filling sand, etc. The explosion-proof housing 16 can be made of carbon steel or other alloy materials.

[0029] Furthermore, the magnetic indicator 3 includes at least one transparent window 13 .

[0030] Furthermore, the outer surface of the magnetic float 2 is coated with a smooth anti-corrosion coating.

[0031] It should be noted that the above content only illustrates the technical idea of ​​the present invention and cannot be used to limit the protection scope of the present invention. For ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications all fall within the protection scope of the claims of the present invention.

Claims

1. A highly sealed explosion-proof magnetic level gauge, characterized in that: The liquid level meter comprises a liquid level meter body (1), a magnetic float (2), a magnetic indicator (3), a sealing system (4) and an explosion-proof mechanism (5). The liquid level meter body (1) is provided with an internal space, the internal space being a measuring chamber (6), the magnetic float (2) being arranged in the measuring chamber (6), the magnetic indicator (3) being coupled to the magnetic float (2), and the sealing system (4) comprising at least one sealing member.

2. A highly sealed explosion-proof magnetic level gauge according to claim 1, characterized in that: The sealing system (4) comprises a floating sealing assembly, the floating sealing assembly comprising a main sealing body (7), a floating sealing ring (8), a supporting structure (9), and a fastener (10); the main sealing body (7) is fixed on the liquid level gauge body (1); the floating sealing ring (8) cooperates with the main sealing body (7) and is wound around a float or a supporting rod thereof; the floating sealing ring (8) is arranged on the supporting structure (9).

3. A highly sealed explosion-proof magnetic level gauge according to claim 2, characterized in that: The sealing system (4) further comprises a guide device, which comprises a guide sleeve (11), a guide pin (12), a guide plate, a guide rail (14) and a guide bracket (15); the guide sleeve (11) is arranged on the liquid level meter body (1); the guide pin (12) passes through the floating sealing ring (8) or cooperates with it; the guide plate is a flat plate-shaped component arranged on the liquid level meter body (1) or the supporting structure (9).

4. The highly sealed explosion-proof magnetic level gauge according to claim 1, characterized in that: The explosion-proof mechanism (5) comprises an explosion-proof housing (16), an explosion-proof filling layer (17) is formed between the explosion-proof housing (16) and the liquid level meter body (1), and an explosion-proof filling material (18) is arranged in the explosion-proof filling layer (17).

5. The highly sealed explosion-proof magnetic level gauge according to claim 1, characterized in that: The magnetic indicator (3) comprises at least one transparent window (13).

6. The highly sealed explosion-proof magnetic level gauge according to claim 1, characterized in that: The outer surface of the magnetic float (2) is coated with a smooth anti-corrosion coating.

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