Radar liquid level meter purging device
By installing a purge device on the top of the liquid sulfur storage tank, and using the purge pipe and nozzle to purge the radar level gauge probe and short interface, the problem of interference measurement of sulfur vapor crystallization in the liquid sulfur storage tank is solved, and the accurate measurement of the radar level gauge is achieved.
Patent Information
- Application Number
- CN202422252417.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The sulfur-containing steam in the liquid sulfur storage tank gathers on the surface of the radar level meter probe and the flange short joint to form crystals, interfering with the emission and absorption of radar waves, resulting in measurement distortion.
Install a purge device on the top of the liquid sulfur storage tank, and perform regular purging of the radar level gauge probe and short interface through the purge pipe and nozzle, and use compressed air to prevent the formation of sulfur-containing steam crystallization.
It effectively prevents sulfur-containing steam crystallization, ensures correct measurement of radar level meter, and avoids measurement distortion.
Smart Images

Figure CN223145481U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of liquid level gauges, and particularly relates to a purging device for a radar liquid level gauge. Background Art
[0002] At present, most liquid sulfur storage tanks use radar liquid level gauges to measure the liquid level in the tank. However, due to the characteristics of liquid sulfur, heat preservation steam needs to be introduced into the tank, resulting in a large amount of sulfur-containing steam in the tank. These steams rise to the top of the tank and are discharged outside the tank through the discharge port. A small part of the sulfur-containing steam will accumulate on the surface of the radar liquid level gauge probe and the flange short joint to form crystals, interfering with the emission and absorption of radar waves and causing radar measurement distortion. Content of the Utility Model
[0003] The purpose of the utility model is to provide a purging device for a radar liquid level gauge aiming at the above deficiencies.
[0004] The utility model includes a liquid sulfur storage tank and a radar liquid level gauge arranged on the top of the liquid sulfur storage tank.
[0005] It is characterized in that a short interface is arranged on the top of the liquid sulfur storage tank, the radar liquid level gauge is installed on the short interface, a purging port is opened on one side of the short interface, a purging pipeline is arranged in the purging port, and a nozzle is arranged at the outlet end of the purging pipeline.
[0006] The short interface is cylindrical, a flange plate is arranged on the top of the short interface, and the radar liquid level gauge flange is hermetically installed on the short interface.
[0007] The purging port is cylindrical, a flange plate is arranged at the end of the purging port, a flange plate is arranged on the outer wall of the purging pipeline, the purging pipeline is inserted into the purging port and is hermetically connected with the purging port by flange.
[0008] A slope is arranged at the top of the outlet end of the purging pipeline, a nozzle installation opening is opened on the slope, the nozzle is installed in the nozzle installation opening, and the nozzle faces the probe of the radar liquid level gauge.
[0009] An electromagnetic valve is arranged on the purging pipeline.
[0010] The inlet end of the purging pipeline is communicated with the compressed air outlet of an air compressor.
[0011] The purging pipeline is made of stainless steel material.
[0012] The cross-sectional diameter of the purging port is 8 - 15 mm.
[0013] The advantages of the utility model are: by installing a purging device, the surface of the radar liquid level gauge probe and the short interface are purged regularly to prevent the formation of sulfur-containing steam crystals and ensure the correct measurement of the radar liquid level gauge. Description of the Drawings
[0014] Figure 1 This is the structural schematic diagram of the present utility model.
[0015] Figure 2 This is the structural schematic diagram of the purging pipeline of the present utility model. Specific embodiments
[0016] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. Generally, the components of the embodiments of the present invention described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.
[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed present invention, but merely represents selected embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.
[0018] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0019] In the description of the embodiments of the present invention, it should be noted that if terms such as "upper", "lower", "inner", "outer", etc. are used to indicate the orientation or positional relationship, it is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, in the description of the present invention, if terms such as "first", "second", etc. are used only for distinguishing descriptions, they cannot be understood as indicating or implying relative importance.
[0020] In the description of the embodiments of the present invention, it should also be noted that unless otherwise clearly specified and limited, if terms such as "set", "connected" are used, they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0021] As shown in the accompanying drawings, the present utility model includes a liquid sulfur storage tank 1 and a radar level gauge 2 provided on the top of the liquid sulfur storage tank 1.
[0022] It is characterized in that a short interface 3 is provided at the top of the liquid sulfur storage tank 1, a radar level gauge 2 is installed on the short interface 3, a purge port 4 is opened on one side of the short interface 3, a purge pipeline 5 is arranged in the purge port 4, and a spray head 6 is arranged at the outlet end of the purge pipeline 5.
[0023] The short interface 3 is cylindrical, a flange plate is provided at the top of the short interface 3, and the radar level gauge 2 is flange-sealed and installed on the short interface 3.
[0024] The purge port 4 is cylindrical, a flange plate is provided at the end of the purge port 4, a flange plate is arranged on the outer wall of the purge pipeline 5, the purge pipeline 5 is inserted into the purge port 4 and is flange-sealed and connected to the purge port 4.
[0025] A slope is provided at the top of the outlet end of the purge pipeline 5, a spray head installation opening is opened on the slope, the spray head 6 is installed in the spray head installation opening, and the spray head 6 faces the probe of the radar level gauge 2.
[0026] An electromagnetic valve 7 is arranged on the purge pipeline 5.
[0027] The inlet end of the purge pipeline 5 is communicated with the compressed air outlet of an air compressor.
[0028] The purge pipeline 5 is made of stainless steel material.
[0029] The cross-sectional diameter of the purge port 4 is 8 - 15 mm.
[0030] Example 1: Insert the purge pipeline 5 into the short interface 3 along the purge port 4. The installer can observe the position of the spray head 6 from above the short interface 3. Rotate the purge pipeline 5 to make the spray head 6 inclined upward. Install the flange plate of the purge pipeline 5 on the purge port 4 through bolts for fixation. Then install the radar level gauge 2 on the short interface 3. The coil of the electromagnetic valve 7 on the purge pipeline 5 is controlled to be energized or de-energized through a time relay to connect or disconnect the purge pipeline 5. The air compressor conveys 0.6 MPa of compressed air into the purge pipeline 5 to purge the probe of the radar level gauge 2 and the inner wall of the short interface, preventing the formation of sulfur-containing steam crystals and ensuring the correct measurement of the radar level gauge. Since the liquid sulfur storage tank 1 is too large, only a partial area at the top of the tank body is drawn in the attached figure. The arrow in the attached figure indicates the spraying direction of the compressed air during purging. Figure 1 Only a partial area at the top of the tank body is drawn in the attached figure. Figure 1 The arrow in the attached figure indicates the spraying direction of the compressed air during purging.
Claims
1. A purging device for a radar level gauge, comprising a liquid sulfur storage tank (1) and a radar level gauge (2) arranged on the top of the liquid sulfur storage tank (1). It is characterized in that A short interface (3) is arranged on the top of the liquid sulfur storage tank (1), the radar level gauge (2) is installed on the short interface (3), a purging port (4) is opened on one side of the short interface (3), a purging pipeline (5) is arranged in the purging port (4), and a spray head (6) is arranged at the outlet end of the purging pipeline (5).
2. The purging device of a radar level gauge according to claim 1, characterized in that, The short interface (3) is cylindrical, a flange plate is arranged on the top of the short interface (3), and the radar level gauge (2) is flange-sealed and installed on the short interface (3).
3. The purging device of a radar level gauge according to claim 1, characterized in that, The purging port (4) is cylindrical, a flange plate is arranged at the end of the purging port (4), a flange plate is arranged on the outer wall of the purging pipeline (5), the purging pipeline (5) is inserted into the purging port (4) and is flange-sealed and connected to the purging port (4).
4. The purging device of a radar level gauge according to claim 3, characterized in that A slope is arranged at the top of the outlet end of the purging pipeline (5), a spray head installation opening is opened on the slope, the spray head (6) is installed in the spray head installation opening, and the spray head (6) faces the probe of the radar level gauge (2).
5. The purging device of a radar level gauge according to claim 4, characterized in that, An electromagnetic valve (7) is arranged on the purging pipeline (5).
6. The purging device of a radar level gauge according to claim 5, characterized in that, The inlet end of the purging pipeline (5) is communicated with the compressed air outlet of an air compressor.
7. A purging device for a radar level gauge according to claim 1, characterized in that, The purging pipeline (5) is made of stainless steel material.
8. A purging device for a radar level gauge according to claim 1, characterized in that, The cross-sectional diameter of the purging port (4) is 8 - 15 mm.