CN216978030U - Glass plate liquid level meter improvement device - Google Patents
Glass plate liquid level meter improvement device Download PDFInfo
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- CN216978030U CN216978030U CN202220362373.3U CN202220362373U CN216978030U CN 216978030 U CN216978030 U CN 216978030U CN 202220362373 U CN202220362373 U CN 202220362373U CN 216978030 U CN216978030 U CN 216978030U
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Abstract
A glass sheet level gauge improvement comprising: the liquid level meter comprises a glass plate liquid level meter, an upper valve and a lower valve, wherein the glass plate liquid level meter is communicated with a tower, a tank, a trough or a box container through two pipelines respectively provided with the upper valve and the lower valve; a floating ball and a guide pipe track are arranged in a cavity of the glass plate liquid level meter, an exhaust pipe is arranged at the upper end of the cavity, and a liquid discharge pipe is arranged at the lower end of the cavity; the floating ball is provided with a central pore passage on the central line thereof, the two ends of the guide pipe track are respectively fixed at the upper end and the lower end of the glass plate liquid level meter after penetrating out from the upper end and the lower end of the central pore passage, the guide pipe track is positioned on the central axis of the glass plate liquid level meter, and the floating ball is movably matched with the guide pipe track; the exhaust pipe and the liquid discharge pipe are respectively communicated with the cavity of the glass plate liquid level meter through a valve switch. The floating ball always floats on the liquid medium, so that the change condition of the liquid level can be observed conveniently, and the normal operation of the device is ensured.
Description
Technical Field
The utility model relates to the technical field of petrochemical glass plate liquid level meters, and provides an improved device of a glass plate liquid level meter. In the petrochemical production process, the glass plate liquid level meter is commonly applied, and the conventional glass plate liquid level meter often causes that the liquid level is not clear due to turbid media or other factors, so that the ultra-liquid level operation of a tower, a container and the like is caused, and the safe operation of equipment is influenced.
Background
In the petrochemical production process, a glass plate liquid level meter is one of indispensable devices. The glass plate liquid level meter can be used for directly indicating the liquid level height in a sealed container, has the advantages of simple structure, intuition, reliability, durability and the like, but the medium in the container must not corrode steel, vulcanized paper and graphite pressure rings, the glass plate liquid level meter leads the medium liquid in the container to the external glass plate liquid level meter according to the principle of a communicating vessel, the transparent glass directly displays the liquid level height of media in various tanks, towers, grooves, boxes and other containers, the meter valve rod sealing packing adopts a flexible graphite pressure ring, the sealing performance is reliable, the safety steel balls are arranged in the upper valve and the lower valve of the instrument, when the glass is damaged accidentally, the steel balls can automatically close the liquid flow channel under the action of the pressure in the container to prevent the liquid level from continuously flowing outwards, the valve end of the meter is provided with a blocking hole screw which can be used for sampling or discharging residual liquid in the meter during maintenance. In the actual production process, the glass plate liquid level meter is used under the condition of transparent liquid medium or medium emulsification, the liquid level is difficult to see clearly due to the consistent color of the transparent liquid and the glass plate, once the remote transmission liquid level meter has deviation, an operator is difficult to judge the true value of the liquid level of the medium in the container, and the conditions that the liquid level of the containers is over-full or has no liquid level can cause production fluctuation.
The utility model provides a certain petrochemical company arene extraction device extraction tower, the use is glass plate level gauge and takes teletransmission magnetism float level gauge, after the operation two years, take teletransmission magnetism float level gauge owing to receive sleet weather, the indicated value keeps fixed unchangeable always, the operator looks over the glass plate level gauge to the scene, because medium is colorless transparent in the extraction tower, glass plate level gauge glass sight also is colorless transparent, after the level gauge has been looked over to the operator, judge full liquid level in the tower, in fact be close to empty liquid level, therefore the operator handles according to the judgement at scene, medium is managed to find time by the tower cauldron pump completely in the tower as a result, lead to the device ejection of compact to interrupt, influence the normal operating of device. In addition, the glass plate liquid level meter is filled with gas which is not exhausted, so that the error of the glass plate liquid level meter is reduced; the drain pipe is inconvenient to operate.
SUMMERY OF THE UTILITY MODEL
The utility model provides an improved device of a glass plate liquid level meter, aiming at overcoming the defects in the prior art, and solving the problems that the liquid level of the glass plate liquid level meter is difficult to see clearly, the glass plate liquid level meter has gas which is not discharged completely, and the error of the glass plate liquid level meter is reduced; the technical problem that the liquid discharge pipe is inconvenient to operate is solved, so that the risk that the liquid level in the container is misjudged is reduced, and the risk of unplanned shutdown of the device is reduced.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a glass sheet level gauge improvement apparatus comprising: the liquid level meter comprises a glass plate liquid level meter, an upper valve 7 and a lower valve 6, wherein the glass plate liquid level meter is communicated with a tower, a tank, a trough or a box container through two pipelines respectively provided with the upper valve 7 and the lower valve 6, and comprises a glass plate observation window 11 provided with scale marks; the glass plate liquid level meter is characterized in that a floating ball 2 and a guide pipe track 3 are arranged in a cavity of a glass plate liquid level meter 1, an exhaust pipe 4 is arranged at the upper end of the glass plate liquid level meter, and a liquid discharge pipe 5 is arranged at the lower end of the glass plate liquid level meter; the floating ball 2 is provided with a smooth and cylindrical central pore canal with two through ends on the central line thereof, after the conduit track 3 passes through the floating ball and penetrates out of the upper end and the lower end of the central pore canal, the two ends of the conduit track 3 are respectively fixed on the upper end and the lower end of the glass plate liquid level meter, the conduit track is positioned on the central line of the glass plate liquid level meter, and the floating ball is movably matched with the conduit track; a movable space is arranged between the floating ball and the inner cavity of the glass plate liquid level meter; the exhaust pipe 4 and the liquid discharge pipe 5 are respectively communicated with a cavity of the glass plate liquid level meter through a valve switch.
Preferably, the floating ball is a nonmetal floating ball.
Preferably, the scale mark, the floating ball and the liquid medium are different in color.
Preferably, the catheter track is a stainless steel wire with a diameter of 1 mm.
Preferably, the inner diameters of the exhaust pipe and the liquid discharge pipe are 10 mm; the valve switch is a needle valve.
The glass plate liquid level meter is characterized in that containers such as a tank, a tower, a tank and a box are communicated with the liquid level meter by utilizing the principle of a U-shaped pipe, liquid media in the containers enter the glass plate liquid level meter with scale indication, and an operator judges the liquid level in the containers according to the scale indication; the floating ball floats on the liquid medium to lift through the buoyancy generated when the liquid medium enters the glass plate liquid level meter; the guide pipe track controls the motion track of the floating ball; the exhaust pipe is used for exhausting gas in the glass plate, so that the error of the glass plate liquid level meter is reduced; the liquid discharge pipe is used for discharging liquid phase components in the glass plate liquid level meter completely during maintenance, so that the operation is facilitated; the lower valve is used for communicating the tower or the container with the glass plate liquid level meter so as to ensure that the tower or the container is completely communicated with the glass plate liquid level meter; the upper valve functions as the lower valve to communicate the tower or vessel with the glass plate level gauge. The liquid level meter is composed of a stainless steel shell and a glass plate observation window made of toughened glass, the glass is embedded into the stainless steel shell, and the color of the scale is different from that of a liquid medium, if the liquid medium is colorless and transparent, red is preferred. The floating ball is preferably a seven-color ball, and the material is preferably polyvinyl fluoride for petroleum products. The surface of the guide pipe rail is smooth and has no burrs. The exhaust pipe is preferably connected with a low-pressure torch, so that the environment is prevented from being polluted. The liquid discharge pipe is preferably sealed and discharged, so that the environment is prevented from being polluted.
The utility model has the beneficial effects that: the structure is simple and practical, and the manufacture is simple; the floater floats on liquid medium all the time, is convenient for observe the change condition of liquid level, prevents to lead to the container liquid level too full or low excessively because of the operating personnel sees unclear liquid level, avoids the device ejection of compact to interrupt, influences the normal operating of device.
Description of the drawings:
figure 1 is a schematic view of the overall structure of the present invention,
FIG. 2 is a schematic partial cross-sectional view of the float position N-N of FIG. 1;
wherein: a glass plate liquid level meter 1, a glass plate observation window 11, a floating ball 2, a guide pipe track 3, an exhaust pipe 4, a liquid discharge pipe 5, a lower valve 6 and an upper valve 7.
Detailed Description
The following detailed description of the embodiments of the present invention is provided, but the present invention is not limited to the following description.
Referring to fig. 1-2, an improved glass plate level gauge apparatus of the present invention comprises: the device comprises a glass plate liquid level meter 1, an upper valve 7 and a lower valve 6, wherein the glass plate liquid level meter is communicated with a tower, a tank, a groove or a box container (in a communicating vessel mode) through two pipelines respectively provided with the upper valve 7 and the lower valve 6, and comprises a glass plate observation window 11 provided with scale marks; a floating ball 2 and a guide pipe track 3 are arranged in a cavity of the glass plate liquid level meter 1, an exhaust pipe 4 is arranged at the upper end, and a liquid discharge pipe 5 is arranged at the lower end; the floating ball 2 is provided with a smooth and cylindrical central pore canal with two through ends on the central line thereof, after the conduit track 3 passes through the floating ball and penetrates out of the upper end and the lower end of the central pore canal, the two ends of the conduit track 3 are respectively fixed on the upper end and the lower end of the glass plate liquid level meter, the conduit track is positioned on the central line of the glass plate liquid level meter, and the floating ball is movably matched with the conduit track; a movable space is arranged between the floating ball and the inner cavity of the glass plate liquid level meter; the exhaust pipe 4 and the liquid discharge pipe 5 are respectively communicated with a cavity of the glass plate liquid level meter through a valve switch.
Preferably, the floating ball is a nonmetal floating ball.
Preferably, the scale mark, the floating ball and the liquid medium are different in color.
Preferably, the catheter track is a stainless steel wire with a diameter of 1 mm.
Preferably, the inner diameters of the exhaust pipe and the liquid discharge pipe are 10 mm; the valve switch is a needle valve.
The working principle of the utility model is as follows:
when the lower valve 6 is opened, the tower or the container is communicated with the lower part of the glass plate liquid level meter 1, the liquid medium flows into the glass plate liquid level meter 1, and the valve on the vent-pipe 4 is opened, the gas in the liquid level meter is exhausted, after the gas is exhausted, the valve on the vent-pipe 4 is closed, the upper valve 7 is opened, so that the tower or the container is completely communicated with the liquid level meter from top to bottom, the floating ball 2 is subjected to the action of buoyancy along with the rising of the liquid level along the guide pipe track as the liquid level displayed by the glass plate observation window rises, and the operator can judge the change condition of the liquid level in the container by observing the scale of the floating ball 2, meanwhile, in order to keep the liquid level in the container consistent with the liquid level of the liquid level meter, a valve on the exhaust pipe is opened to exhaust, the pressure in the container is kept consistent with the pressure in the liquid level meter, the liquid level in the container can be truly reflected, and an operator can conveniently observe the liquid level change condition of the liquid level meter.
The embodiment of the utility model is as follows:
(1) glass plate observation window: a glass plate is selected to be embedded into a stainless steel shell, and the height of the glass plate is consistent with the effective height of the container;
(2) a floating ball: the material is selected according to the property of a liquid medium, preferably a non-metallic material, the diameter of the ball is selected according to the size of the glass plate, the floating ball can freely lift in the glass plate liquid level meter, and meanwhile, the floating ball is provided with a small through hole, namely a central hole, and the diameter of the hole is 2 mm;
(3) a conduit track: the floating ball is a stainless steel wire, the diameter of the stainless steel wire is 1mm, the height of the stainless steel wire is consistent with that of the glass plate, and the floating ball can freely lift on the upper surface of the track;
(4) an exhaust pipe: the diameter of the exhaust pipe is 10mm, and the exhaust pipe is provided with a needle valve and is sealed and discharged;
(5) liquid discharge pipe: the diameter of the liquid discharge pipe is 10mm, and the liquid discharge pipe is provided with a needle valve and is hermetically discharged;
(6) a lower valve: selecting a common gate valve;
(7) an upper valve: and selecting a common gate valve.
The utility model is illustrated below with reference to specific examples:
example 1:
the utility model relates to an application of a glass plate liquid level meter improved device on an extraction tower of a 40 ten thousand ton/year aromatic hydrocarbon extraction device, which has the structure as described above, and the implementation scheme is as follows:
(1) glass plate observation window: a toughened glass plate is embedded into a 304 stainless steel shell, the height of the toughened glass plate is 2500mm, and the length and the width of the glass plate are 40mm and 30mm respectively;
(2) a floating ball: the material is polytetrafluoroethylene, the diameter of the ball is 16mm, the floating ball can freely lift in the glass plate liquid level meter, and meanwhile, the floating ball is provided with a penetrated small hole, namely a central pore passage, and the diameter of the hole is 2 mm; the floating ball is colored;
(3) a conduit track: selecting a stainless steel wire with the diameter of 1mm, penetrating the colored floating ball into the guide pipe track, and then fixing the colored floating ball at the upper end and the lower end of the glass plate, wherein the upper end and the lower end of the guide pipe track have a limiting function;
(4) an exhaust pipe: the diameter of the exhaust pipe is 10mm, and the exhaust pipe is provided with a needle valve and is sealed and discharged;
(5) liquid discharge pipe: the diameter of the liquid discharge pipe is 10mm, and the liquid discharge pipe is provided with a needle valve and is sealed and discharged.
(6) A lower valve: a common gate valve with a drift diameter DN 50;
(7) an upper valve: common gate valve, drift diameter DN 50.
After the scheme is implemented, after the extraction tower of the aromatic hydrocarbon extraction device operates for 24 months at 40 ten thousand tons per year, the situation that the liquid level is too full or too low does not occur.
Comparative example 1: the traditional glass plate liquid level meter component is not provided with a floating ball and a guide pipe track.
From the above results, it can be seen that: after the glass plate liquid level meter is adopted, an operator can easily observe the liquid level change condition of the glass plate due to the use of the floating ball, so that the risk of error judgment is reduced; the floating ball rises and falls along the track to reduce the error of the liquid level change.
The above examples are only for illustrating the technical idea and technical features of the present invention, and the protection scope of the present invention is not limited thereby. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. A glass sheet level gauge improvement apparatus comprising: the liquid level meter comprises a glass plate liquid level meter, an upper valve (7) and a lower valve (6), wherein the glass plate liquid level meter is communicated with a tower, a tank, a groove or a box container through two pipelines respectively provided with the upper valve (7) and the lower valve (6), and comprises a glass plate observation window (11) provided with scale marks; the glass plate liquid level meter is characterized in that a floating ball (2) and a guide pipe track (3) are arranged in a cavity of the glass plate liquid level meter (1), an exhaust pipe (4) is arranged at the upper end of the glass plate liquid level meter, and a liquid discharge pipe (5) is arranged at the lower end of the glass plate liquid level meter; the floating ball (2) is provided with a smooth cylindrical central pore canal with two through ends on the central line thereof, the two ends of the conduit track (3) are respectively fixed on the upper end and the lower end of the glass plate liquid level meter after penetrating out of the upper end and the lower end of the central pore canal through the floating ball, the conduit track is positioned on the central axis of the glass plate liquid level meter, and the floating ball is movably matched with the conduit track; a movable space is arranged between the floating ball and the inner cavity of the glass plate liquid level meter; the exhaust pipe (4) and the liquid discharge pipe (5) are respectively communicated with a cavity of the glass plate liquid level meter through a valve switch.
2. The improved device of claim 1, wherein said float ball is a non-metallic float ball.
3. The improved apparatus of claim 2, wherein said graduation marks and said floating ball are of different colors than the liquid medium.
4. The improved glass sheet level gauge apparatus of claim 1, wherein said conduit track is a stainless steel wire with a diameter of 1 mm.
5. The improved device of claim 1, wherein the internal diameter of said exhaust pipe and drain pipe is 10 mm; the valve switch is a needle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220362373.3U CN216978030U (en) | 2022-02-22 | 2022-02-22 | Glass plate liquid level meter improvement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220362373.3U CN216978030U (en) | 2022-02-22 | 2022-02-22 | Glass plate liquid level meter improvement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216978030U true CN216978030U (en) | 2022-07-15 |
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ID=82354057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220362373.3U Active CN216978030U (en) | 2022-02-22 | 2022-02-22 | Glass plate liquid level meter improvement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216978030U (en) |
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2022
- 2022-02-22 CN CN202220362373.3U patent/CN216978030U/en active Active
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