Pressure-resistant explosion-proof magnetic liquid level meter

Abstract

The utility model discloses a pressure-resistant explosion-proof magnetic liquid level meter, which relates to the technical field of magnetic liquid level meters and comprises a clamping frame, a first measuring tube and a second measuring tube are respectively connected inside the clamping frame, an anti-overflow shell is connected to the top of the first measuring tube and the top of the second measuring tube, and a baffle tube is fixed below the inside of the anti-overflow shell. A pulley is connected to the upper portion in the anti-overflow shell, a high-temperature-resistant pull rope is connected to the top of the pulley, one end of the high-temperature-resistant pull rope is connected with a first hanging shell, a strong magnet is installed in the first hanging shell, and the other end of the high-temperature-resistant pull rope is connected with a second hanging shell. Through the arrangement of the first measuring tube, the second measuring tube, the first hanging shell, the strong magnet, the pulley, the high-temperature-resistant pull rope, the second hanging shell, the cavity and the balancing weight, a medium flows through the first measuring tube, and the second measuring tube measures the liquid level in a linkage mode, so that the strong magnet is separated from the high-temperature medium; the liquid level can be measured, and demagnetization of the strong magnet caused by high temperature is avoided; the use in a high-temperature environment is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of magnetic liquid level meter, concretely to a pressure -resisting explosion -proof magnetic liquid level meter. BACKGROUND

[0002] Magnetic liquid level meter is a kind of instrument for measuring the liquid level in tank, tank and pipeline, it utilizes magnetic principle, determines the height or interface position of liquid by measuring the magnetic field change corresponding to liquid level, mainly includes magnetic float liquid level meter and magnetic flap liquid level meter.

[0003] The application number 202420239058.0 of a kind of high-temperature-resistant explosion-proof magnetic liquid level meter relates to liquid level meter field, solve the problem that existing single pipe body high-temperature-resistant and explosion-proof effect is limited, using the following scheme: including liquid level pipe and its outside magnetic flip column;The top end of the liquid level pipe is respectively equipped with flange end seat;The liquid level pipe is composed of outer glass tube and inner glass tube, the inner glass tube is arranged on the inner side of outer glass tube, the top end of outer glass tube and inner glass tube is fixedly connected on flange end seat, the inner side of inner glass tube is float chamber, and the explosion-proof cavity between outer glass tube and inner glass tube;The high-temperature-resistant explosion-proof magnetic liquid level meter can utilize the setting of vacuum chamber between outer glass tube and inner glass tube, can isolate heat propagation, guarantee its explosion-proof effect, while its outside magnetic flip column is not heated, guarantee normal work, to reach the effect of high-temperature-resistant and explosion-proof.

[0004] Although the technical scheme is convenient for working in high-temperature environment, but high-temperature environment can also easily lead to the demagnetization of the magnet inside the float, and the technical scheme does not protect the magnet inside the float, which can easily lead to the demagnetization of the magnet and the failure of the liquid level meter. Utility model content

[0005] Therefore, the utility model aims at providing a pressure -resisting explosion -proof magnetic liquid level meter to solve the technical problems mentioned in the background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a pressure -resisting explosion -proof magnetic liquid level meter, including the clamping frame, the clamping frame is connected with first measuring pipe and second measuring pipe respectively in the inside, and first measuring pipe and second measuring pipe top are connected with the anti -overflow shell, the anti -overflow shell inside lower part is fixed with the pipe stopper, the anti -overflow shell inside upper part is connected with the pulley, and the pulley top is connected with the high-temperature-resistant pull rope, the high-temperature-resistant pull rope one end is connected with the first hanging shell, and the first hanging shell inside is installed with the strong magnet, the high-temperature-resistant pull rope other end is connected with the second hanging shell, and the second hanging shell inside is provided with cavity and counterweight respectively.

[0007] By adopting the above technical scheme, the first measuring tube flows the medium, and the second measuring tube measures the liquid level in a linkage manner, so that the strong magnet is separated from the high-temperature medium, the measurement of the liquid level can be realized, and the high temperature does not cause the demagnetization of the strong magnet; when the liquid level in the first measuring tube rises, the buoyancy of the second hanging shell is ensured by the cavity, so that the second hanging shell can float on the liquid level as a float, and the high-temperature-resistant pull rope is relaxed due to the upward displacement of the second hanging shell, so that the second hanging shell and the strong magnet are affected by gravity and move downward, and vice versa, if the liquid level in the first measuring tube decreases, the weight of the second hanging shell is greater than that of the first hanging shell due to the existence of the counterweight, at this time, the second hanging shell moves downward with the liquid level, so that the second hanging shell pulls the first hanging shell and the strong magnet upward through the high-temperature-resistant pull rope, the strong magnet drives the magnetic flap to operate so as to facilitate the staff to check the liquid level, the magnetic flap is inverted observation, and the staff can get used to it after a period of time; through the setting of the anti-overflow shell, when the liquid level rises uncontrollably due to the failure of the storage and pumping equipment, the setting of the anti-overflow shell avoids the waste caused by the overflow of the medium from the top of the first measuring tube, and through the setting of the blocking pipe, the medium entering the anti-overflow shell directly flows into the second measuring tube, thereby reducing the possibility of contact between the strong magnet and the high-temperature medium, and the medium only flows into the second measuring tube and cannot flow out.

[0008] Further, the magnetic flap is connected to one side of the inner part of the bracket, and protrusions are arranged on the top and bottom of the magnetic flap, recesses are arranged on one side of the top and one side of the bottom of the bracket, and the magnetic flap is detachably connected to the bracket.

[0009] By adopting the above technical scheme, the two brackets are separated to end the limiting of the magnetic flap, at this time, the magnetic flap can be detached, the protrusions on the top and bottom of the magnetic flap are inserted into the recesses on one side of the top and one side of the bottom of the bracket during installation, and then the bracket is locked by bolts, so as to limit the magnetic flap.

[0010] Further, the top end of the blocking pipe and the bottom of the pulley are on the same horizontal line.

[0011] By adopting the above technical scheme, the height of the blocking pipe can be as high as possible to avoid the medium entering the anti-overflow shell directly flowing into the second measuring tube.

[0012] Further, the high-temperature-resistant pull rope has an "n" shape in cross section, and the pulley has two.

[0013] By adopting the above technical scheme, the second hanging shell moves upward to relax the high-temperature-resistant pull rope, so that the second hanging shell and the strong magnet move downward under the influence of gravity, and vice versa, if the liquid level in the first measuring tube decreases, the weight of the second hanging shell is greater than that of the first hanging shell due to the existence of the counterweight, at this time, the second hanging shell moves downward with the liquid level, so that the second hanging shell pulls the first hanging shell and the strong magnet upward through the high-temperature-resistant pull rope.

[0014] Further, the high-temperature-resistant pull rope is made of S austenitic chromium-nickel stainless steel wire or ceramic fiber.

[0015] By adopting the above technical scheme, the high-temperature-resistant pull rope is not directly contacted with the medium, receives less heat, and the S austenitic chromium-nickel stainless steel wire has the ability to resist high temperature below 800 degrees Celsius, thereby avoiding the softening and fracture of the high-temperature-resistant pull rope caused by high-temperature environment, and the high-temperature-resistant pull rope made of ceramic fiber can even resist high temperature of about 1,000 degrees.

[0016] Further, the two clamps are detachably connected through bolts.

[0017] By adopting the above technical scheme, the bolts on the outer surfaces of the two clamps are removed, so that the clamps can be detached, and the limiting of the first measuring pipe, the second measuring pipe and the magnetic flap is ended.

[0018] Further, the first measuring pipe and the second measuring pipe are detachably connected with the clamps, and the anti-overflow shell is detachably connected with the first measuring pipe and the second measuring pipe through bolts.

[0019] By adopting the above technical scheme, the bolts on the outer surfaces of the two clamps are removed, so that the clamps can be detached, and the limiting of the first measuring pipe, the second measuring pipe and the magnetic flap is ended.

[0020] Further, the first measuring pipe, the second measuring pipe and the anti-overflow shell are made of one of steel plate, cast steel, cast aluminum alloy and cast iron.

[0021] By adopting the above technical scheme, the steel plate, the cast steel, the cast aluminum alloy and the cast iron have high material strength and are particularly firm, can withstand internal explosion and explosion pressure, and prevent explosion from spreading outward.

[0022] Further, the first measuring pipe and the second measuring pipe are provided with cleaning ports at the bottoms.

[0023] By adopting the above technical scheme, the plugs or valves are connected at the bottoms of the two cleaning ports, when cleaning is needed, the communication between the first measuring pipe and the container is disconnected, then the plugs of the cleaning ports are removed or the valves are opened to discharge the medium in the first measuring pipe and the second measuring pipe.

[0024] In summary, the utility model mainly has the following beneficial effects:

[0025] 1. The utility model discloses a first measuring pipe, second measuring pipe, first hanging shell, strong magnet, pulley, high temperature resistance pull rope, second hanging shell, cavity and counterweight's setting, by the first measuring pipe circulation medium, and the second measuring pipe adopts the linkage mode to the liquid level measurement, makes strong magnet and high temperature medium separation, can realize the measurement of liquid level and will not lead to high temperature and make strong magnet degaussing, when the liquid level of first measuring pipe is raised, through the cavity guaranteeing the buoyancy of second hanging shell, make second hanging shell can float as the float on the liquid level, because the high temperature resistance pull rope of second hanging shell displacement upwards is relaxed, thereby make second hanging shell and strong magnet descend under the influence of gravity, if the liquid level in first measuring pipe reduces conversely, because the weight of second hanging shell is greater than the weight of first hanging shell due to the existence of counterweight, second hanging shell moves down with the liquid level at this moment, make second hanging shell pull first hanging shell and strong magnet up through high temperature resistance pull rope, drive magnetic flap to operate through strong magnet to facilitate staff to check the liquid level, and the magnetic flap is inverted observation, and the staff only needs to be accustomed after a period of time, convenient use in high temperature environment,

[0026] 2. The utility model discloses through the setting of anti -overflow shell and dam, through the setting of anti -overflow shell, when the liquid level rises and cannot control when storage and pumping equipment failure, through the setting of anti -overflow shell, avoid the phenomenon of waste from the first measuring pipe top overflow of medium, and through the setting of dam, avoid the medium in the anti -overflow shell directly into second measuring pipe, thereby reduce the possibility of strong magnet and high temperature medium contact, and the medium will only flow into second measuring pipe and will not flow out, increase safety. ACCURACY

[0027] Figure 1 It is the structure schematic drawing of the utility model;

[0028] Figure 2 It is the section structure schematic drawing of the utility model;

[0029] Figure 3 It is the structure of A in the utility model Figure 2 Enlarged view;

[0030] Figure 4 It is the explosion structure schematic drawing of the utility model.

[0031] In the drawing: 1, clamp frame; 2, first measuring pipe; 3, second measuring pipe; 4, magnetic flap; 5, anti -overflow shell; 6, cleaning port; 7, first hanging shell; 8, strong magnet; 9, dam; 10, pulley; 11, high temperature resistance pull rope; 12, second hanging shell; 13, cavity; 14, counterweight. DETAILED DESCRIPTION

[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0033] The embodiments of this utility model will be described below based on its overall structure.

[0034] Example 1

[0035] A pressure-resistant and explosion-proof magnetic level gauge, such as Figures 1-4 As shown, the device includes a clamp 1, inside which a first measuring tube 2 and a second measuring tube 3 are connected respectively. An anti-overflow shell 5 is connected to the top of the first measuring tube 2 and the second measuring tube 3. The first measuring tube 2, the second measuring tube 3, and the anti-overflow shell 5 are all made of one of the following: steel plate, cast steel, cast aluminum alloy, or cast iron. A baffle tube 9 is fixed at the bottom inside the anti-overflow shell 5. Two pulleys 10 are connected to the top inside the anti-overflow shell 5. The top of the baffle tube 9 and the bottom of the pulley 10 are at the same horizontal line. A high-temperature resistant pull rope 11 is connected to the top of the pulley 10. The high-temperature resistant pull rope 11 is made of 310S austenitic chromium-nickel stainless steel wire or ceramic fiber. The cross-section of the high-temperature resistant pull rope 11 is "n"-shaped. One end of the high-temperature resistant pull rope 11 is connected to a first hanging shell 7, inside which a strong magnet 8 is installed. The other end of the high-temperature resistant pull rope 11 is connected to a second hanging shell 12. The second hanging shell 12 has a cavity 13 and a counterweight 14 respectively inside. The first measuring tube... 2. The first measuring tube 2 uses a circulating medium, while the second measuring tube 3 uses a linkage method to measure the liquid level, separating the strong magnet 8 from the high-temperature medium. This allows for liquid level measurement without demagnetizing the strong magnet 8 due to high temperature. When the liquid level in the first measuring tube 2 rises, the cavity 13 ensures the buoyancy of the second hanging shell 12, allowing it to float on the liquid level. As the second hanging shell 12 moves upward, the high-temperature resistant rope 11 loosens, causing the second hanging shell 12 and the strong magnet 8 to move downward under the influence of gravity. Conversely, if the liquid level in the first measuring tube 2 decreases, the counterweight 14 makes the weight of the second hanging shell 12 greater than that of the first hanging shell 7. At this time, the second hanging shell 12 moves downward with the liquid level, causing it to pull the first hanging shell 7 and the strong magnet 8 upward through the high-temperature resistant rope 11. The strong magnet 8 drives the magnetic flip plate 4 to operate, allowing staff to check the liquid level. The magnetic flip plate 4 is inverted for observation, and staff only need a short period of time to get used to it.

[0036] See Figure 1 , Figure 2 and Figure 4In the above embodiment, the magnetic flap 4 is connected to one side of the inside of the bracket 1, and the magnetic flap 4 is driven to operate by the strong magnet 8 to facilitate the staff to observe the liquid level, and the magnetic flap 4 is inverted observation, and the staff can be accustomed to it only after a period of time; the first measuring pipe 2 and the second measuring pipe 3 are provided with cleaning ports 6 at the bottom, the first measuring pipe 2 is disconnected with the container, and then the plug of the cleaning port 6 is removed or the valve is opened, so that the medium in the first measuring pipe 2 and the second measuring pipe 3 is discharged, thereby facilitating cleaning.

[0037] Embodiment two

[0038] On the basis of the above embodiment one, in order to facilitate the replacement of damaged parts, the following settings are made.

[0039] Referring to Figure 1 , Figure 2 and Figure 4 , in the above embodiment, the top and bottom of the magnetic flap 4 are provided with protrusions, the top and bottom of the bracket 1 are provided with recesses, the magnetic flap 4 is detachably connected with the bracket 1, the bracket 1 is provided with two, the two brackets 1 are detachably connected by bolts, the first measuring pipe 2 and the second measuring pipe 3 are detachably connected with the bracket 1, the bolts on the outer surfaces of the two brackets 1 are removed, thereby ending the limiting of the first measuring pipe 2, the second measuring pipe 3 and the magnetic flap 4, at this time, the first measuring pipe 2, the second measuring pipe 3 and the magnetic flap 4 can be replaced, after replacement, the two brackets 1 are closed by bolts to limit the first measuring pipe 2, the second measuring pipe 3 and the magnetic flap 4; the anti-overflow shell 5 is detachably connected with the first measuring pipe 2 and the second measuring pipe 3 by bolts, the bolts between the anti-overflow shell 5 and the first measuring pipe 2 and the second measuring pipe 3 are removed, and the anti-overflow shell 5 is removed, and the first hanging shell 7, the strong magnet 8, the blocking pipe 9, the pulley 10, the high-temperature-resistant pull rope 11, the second hanging shell 12 and the counterweight 14 are removed together, and the new anti-overflow shell 5 is installed, thereby completing the installation operation of the new first hanging shell 7, the strong magnet 8, the blocking pipe 9, the pulley 10, the high-temperature-resistant pull rope 11, the second hanging shell 12 and the counterweight 14, and finally the anti-overflow shell 5 is fastened with the first measuring pipe 2 and the second measuring pipe 3 by bolts.

[0040] The implementation principle of the utility model is: first, the staff connects one side of the first measuring pipe 2 with the medium container, so that the medium in the container can enter the inside of the first measuring pipe 2, and the plugs or valves are connected at the bottom of the two cleaning ports 6, the medium flows through the first measuring pipe 2, and the second measuring pipe 3 measures the liquid level in a linkage mode, so that the strong magnet 8 is separated from the high-temperature medium, the measurement of the liquid level can be realized, and the strong magnet 8 will not be demagnetized by high temperature, and the first measuring pipe 2, the second measuring pipe 3 and the magnetic flap 4 are made of steel plate, cast steel, cast aluminum alloy or cast iron material, which has high strength and is particularly firm, can withstand internal explosion and explosion pressure, and can prevent external explosion;

[0041] When the liquid level in the first measuring tube 2 rises, the buoyancy of the second hanging shell 12 is ensured by the cavity 13, so that the second hanging shell 12 can float on the liquid level as a float, and the high-temperature-resistant pull rope 11 is loosened due to the upward displacement of the second hanging shell 12, so that the second hanging shell 12 and the strong magnet 8 are affected by gravity and move downward; on the contrary, if the liquid level in the first measuring tube 2 decreases, the weight of the second hanging shell 12 is greater than that of the first hanging shell 7 due to the existence of the counterweight 14, at this time, the second hanging shell 12 moves downward with the liquid level, so that the second hanging shell 12 pulls the first hanging shell 7 and the strong magnet 8 upward through the high-temperature-resistant pull rope 11, and the strong magnet 8 drives the magnetic flap 4 to operate so that the staff can check the liquid level, the magnetic flap 4 is inverted observation, and the staff can get used to it after a period of time, if a scale is needed to be installed around the magnetic flap 4, the scale also needs to be invertedly arranged;

[0042] When the liquid level rises uncontrollably due to the failure of the storage and pumping device, the overflow of the medium from the top of the first measuring tube 2 is avoided by the arrangement of the anti-overflow shell 5, and the medium entering the anti-overflow shell 5 directly flows into the second measuring tube 3 is avoided by the arrangement of the blocking pipe 9, so as to reduce the possibility of the contact between the strong magnet 8 and the high-temperature medium, if the liquid level still rises uncontrollably and exceeds the blocking pipe 9, the medium will only flow into the second measuring tube 3 and will not flow out;

[0043] After the subsequent liquid level is controlled, the communication between the first measuring tube 2 and the container is disconnected, then the plug of the cleaning port 6 is removed or the valve is opened, so that the medium in the first measuring tube 2 and the second measuring tube 3 is discharged, then the bolts between the anti-overflow shell 5 and the first measuring tube 2 and the second measuring tube 3 are removed, and the anti-overflow shell 5 is removed together with the first hanging shell 7, the strong magnet 8, the blocking pipe 9, the pulley 10, the high-temperature-resistant pull rope 11, the second hanging shell 12 and the counterweight 14, then a new anti-overflow shell 5 is installed, so that the installation operation of the new first hanging shell 7, the strong magnet 8, the blocking pipe 9, the pulley 10, the high-temperature-resistant pull rope 11, the second hanging shell 12 and the counterweight 14 is completed, and finally the anti-overflow shell 5 is fastened with the first measuring tube 2 and the second measuring tube 3 through bolts.

[0044] Although the embodiments of the present application have been shown and described, the specific embodiments are only an explanation of the present application, and are not a limitation of the present application, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the present application, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A pressure-proof and explosion-proof magnetic liquid level meter comprising a clamp bracket (1), characterized in that: The first measuring pipe (2) and the second measuring pipe (3) are connected with the bracket (1) respectively, and the top of the first measuring pipe (2) and the second measuring pipe (3) is connected with the anti-overflow shell (5), the bottom of the anti-overflow shell (5) is fixed with the blocking pipe (9), the top of the anti-overflow shell (5) is connected with the pulley (10), and the top of the pulley (10) is connected with the high-temperature-resistant pull rope (11), one end of the high-temperature-resistant pull rope (11) is connected with the first hanging shell (7), the inside of the first hanging shell (7) is installed with the strong magnet (8), the other end of the high-temperature-resistant pull rope (11) is connected with the second hanging shell (12), and the inside of the second hanging shell (12) is provided with the cavity (13) and the counterweight (14) respectively.

2. The pressure-resistant explosion-proof magnetic liquid level meter according to claim 1, characterized in that: The bracket (1) is connected with the magnetic flap (4) on one side, and the top and the bottom of the magnetic flap (4) are provided with protrusions, the top side and the bottom side of the bracket (1) are provided with recesses, and the magnetic flap (4) is detachably connected with the bracket (1).

3. The pressure-resistant explosion-proof magnetic liquid level meter according to claim 1, characterized in that: The top end of the blocking pipe (9) and the bottom of the pulley (10) are on the same horizontal line.

4. The pressure-resistant explosion-proof magnetic liquid level meter according to claim 1, characterized in that: The cross section of the high-temperature-resistant pull rope (11) is "n" shape, and the pulley (10) is provided with two.

5. The pressure-resistant explosion-proof magnetic liquid level meter according to claim 4, characterized in that: The high-temperature-resistant pull rope (11) is made of 310S austenitic chromium-nickel stainless steel wire or ceramic fiber.

6. The pressure-resistant explosion-proof magnetic liquid level meter according to claim 1, characterized in that: The bracket (1) is provided with two, and the two brackets (1) are detachably connected through bolts.

7. The pressure-resistant explosion-proof magnetic liquid level meter according to claim 6, characterized in that: The first measuring pipe (2) and the second measuring pipe (3) are detachably connected with the bracket (1), and the anti-overflow shell (5) is detachably connected with the first measuring pipe (2) and the second measuring pipe (3) through bolts.

8. The pressure-resistant explosion-proof magnetic liquid level meter according to claim 7, characterized in that: The first measuring pipe (2), the second measuring pipe (3) and the anti-overflow shell (5) are made of one of steel plate, cast steel, cast aluminum alloy and cast iron.

9. The pressure-resistant explosion-proof magnetic liquid level meter according to claim 8, characterized in that: The bottom of the first measuring pipe (2) and the second measuring pipe (3) is provided with the cleaning port (6).

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