Liquid level device

Abstract

The utility model relates to the technical field of detection devices, and discloses a liquid level device which comprises a liquid level display device and further comprises a liquid storage device, the liquid level display device is arranged above the liquid storage device and comprises a magnetic ball, a floating ball, a top-mounted liquid level meter tube and a display panel, the magnetic ball is connected with the floating ball through a connecting rod, and the top-mounted liquid level meter tube is connected with the display panel through a connecting rod. The magnetic ball is located in the top-mounted liquid level meter tube, the display panel is located on the outer wall of the top-mounted liquid level meter tube, the liquid storage device comprises a liquid storage tube, an upper connector and a lower connector, the upper connector is located at the upper end of the outer wall of the liquid storage tube, the lower connector is located at the lower end of the outer wall of the liquid storage tube, and the floating ball is located in the liquid storage tube. The top-mounted liquid level meter pipe is a round pipe with one closed end, and the non-closed end of the top-mounted liquid level meter pipe is connected with the upper end of the liquid storage pipe. According to the liquid level meter, the problems that the magnetic floating ball of the liquid level meter is crystallized and stuck, liquid level reading is distorted, and solution is mistakenly supplemented and discharged can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a liquid level device. Background Art

[0002] At present, the absorption tower usually uses a level gauge to measure the liquid level. In the chlorination process, the tail gas absorption tower normally uses sodium hydroxide as the absorption liquid to absorb excess chlorine and mixed gases such as by-product carbon dioxide. Sodium hypochlorite, sodium carbonate, etc. are produced during the absorption process. The solubility of sodium carbonate varies greatly due to the influence of ambient temperature. Therefore, the absorption system often crystallizes in winter. The level gauge used in the absorption tower is a side-mounted magnetic flap level gauge. The level gauge uses the principle of communicating vessels and magnetic coupling to transmit the liquid level to the reed switch level gauge through a magnetic float to measure the liquid level in the tower. Specifically, the magnetic float in the level gauge floats up and down with the change of liquid level. The movement of the magnetic float brings about magnetic changes, thereby driving the magnetic flap on the side flap magnetometer to flip. The staff understands the liquid level in the absorption tower through the corresponding value of the magnetic flap flip.

[0003] However, affected by environmental and process factors, after the solution enters the level meter, the solution contacts the fluorine lining material in the level meter, and the magnetic float is also in the solution, which can easily cause the fluorine lining material in the level meter to corrode and deform, the float is stuck by crystallization, and the level reading is distorted, resulting in the phenomenon of wrong filling and wrong discharge of the solution in the tower, increasing the amount of waste liquid and production costs. At the same time, due to the turbulent flow rate of the solution inside the absorption tower and the presence of a large amount of foam, it is easy to interfere with the measurement accuracy of the level meter. And when a fault occurs, it must be stopped for inspection and maintenance to restore it to normal, which reduces the utilization rate of raw materials and production efficiency. Utility Model Content

[0004] The utility model aims to provide a liquid level device to solve the technical problems that the magnetic float ball of the liquid level meter in the prior art is easily stuck by crystallization and the liquid level reading is distorted.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A liquid level device includes a liquid level display device and a liquid storage device. The liquid level display device is arranged above the liquid storage device. The liquid level display device includes a magnetic ball, a float, a top-mounted liquid level gauge tube, and a display panel. The magnetic ball and the float are connected by a connecting rod. The magnetic ball is located in the top-mounted liquid level gauge tube. The display panel is located on the outer wall of the top-mounted liquid level gauge tube. The liquid storage device includes a liquid storage tube, an upper connecting port, and a lower connecting port. The upper connecting port is located at the upper end of the outer wall of the liquid storage tube, and the lower connecting port is located at the lower end of the outer wall of the liquid storage tube. The float is located in the liquid storage tube. The top-mounted liquid level gauge tube is a circular tube with one end closed, and the non-closed end of the top-mounted liquid level gauge tube is connected to the upper end of the liquid storage tube.

[0007] The principle of this scheme is: in actual application, the device is installed on one side of the absorption tower, the upper connection port and the lower connection port are connected to the absorption tower, the control valve of the lower connection port is opened to allow the liquid in the absorption tower to flow into the liquid storage pipe, and at the same time, the control valve of the upper connection port is opened to balance the air pressure in the liquid storage pipe with the air pressure in the absorption tower, thereby realizing the connection function. When the liquid level in the absorption tower changes, the liquid level in the liquid storage pipe also changes accordingly, and the float moves as the liquid level in the liquid storage pipe rises and falls, and at the same time drives the magnetic ball at the other end of the connecting rod to rise and fall. Due to the influence of the magnetic force of the magnetic ball, the liquid level indication corresponding to the position of the magnetic ball is displayed on the display panel.

[0008] The advantages of this solution are:

[0009] 1. This solution separates the liquid storage tube and the liquid level gauge, sets the liquid level gauge at the top of the liquid storage tube, and separates the magnetic display device from the solution storage device. This can effectively prevent the magnetic ball from contacting the solution, and avoid being stuck by the accumulation of crystals precipitated from the solution, causing distorted readings, and incorrect replenishment and discharge of solution in the tower. At the same time, since the liquid level gauge will not directly contact the solution, it can effectively avoid corrosion and deformation of the fluorine lining material in the liquid level gauge.

[0010] Preferably, as an improvement, a cleaning port is further included, and the cleaning port is located at the outer wall of the lower connection port. Since sodium hydroxide is used as an absorption liquid in the absorption tower to treat excess chlorine and mixed gases such as byproduct carbon dioxide during the chlorination process, products such as sodium hypochlorite and sodium carbonate will be produced, and sodium carbonate will crystallize at a low temperature, so the connection port is often prone to blockage. In order to alleviate the blockage of the connection port, the present solution is provided with a cleaning port for introducing a cleaning liquid. When the connection port is blocked, the cleaning liquid can be introduced to flush the connection port to alleviate the blockage problem.

[0011] Preferably, as an improvement, the diameter of the top-mounted liquid level gauge tube is smaller than that of the liquid storage tube. The diameter of the top-mounted liquid level gauge tube is smaller than that of the liquid storage tube, which can play a certain guiding role on the connecting rod, preventing the floating ball from shaking during the floating process, causing the connecting rod to be skewed and affecting the reading. At the same time, the connection between the top-mounted liquid level gauge tube and the liquid storage tube can provide a limiting effect for the floating ball, preventing the floating ball from floating too violently and entering the top-mounted liquid level gauge tube.

[0012] Preferably, as an improvement, the top-mounted liquid level gauge tube is connected to the liquid storage tube via an inspection flange. When the top-mounted liquid level gauge tube or the magnetic float, the display panel, etc. fails, the inspection flange can be directly opened to troubleshoot the fault without removing the entire device, saving troubleshooting time and ensuring production operation efficiency.

[0013] Preferably, as an improvement, a drain valve is installed at the bottom of the liquid storage tube. When the liquid storage tube has been used for a long time and a lot of crystal precipitation is deposited in the tube, the staff can open the drain valve to release the precipitation mixed water in the tube to ensure that the water in the liquid storage tube is clean and the height of the float will not be affected by excessive precipitation, which will then cause the reading error of the magnetic ball.

[0014] Preferably, as an improvement, the cleaning port is equipped with a control valve, which can accurately control the time and volume of the cleaning liquid entering and exiting, thereby ensuring the accuracy of the operation.

[0015] Preferably, as an improvement, a baffle is installed between the top-mounted liquid level gauge tube and the liquid storage tube. The baffle can be used to separate the top-mounted liquid level gauge tube and the liquid storage tube to prevent solution vapor from entering the top-mounted liquid level gauge tube, causing corrosion of the fluorine lining in the tube and affecting the liquid level reading. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0017] The following is further described in detail through specific implementation methods:

[0018] The figure marks in the drawings of the specification include: magnetic ball 1, top-mounted liquid level gauge tube 2, display panel 2-1, upper connecting port 3, float 4, liquid storage tube 5, cleaning port 6, lower connecting port 7, maintenance flange 8, flange I9, flange II10, control valve 11, connecting rod 12, baffle plate 13, drain valve 14.

[0019] The embodiment is basically as shown in the attached Figure 1 As shown:

[0020] A liquid level device includes a liquid level display device and a liquid storage device. The liquid level display device is arranged above the liquid storage device. The liquid level display device includes a magnetic ball 1, a float 4, a top-mounted liquid level gauge tube 2, and a display panel 2-1. A magnetic flap for displaying the liquid level is installed on the display panel 2-1, which can flip as the magnetic force it receives changes. The magnetic ball 1 is connected to the float 4 by a connecting rod 12. The magnetic ball 1 is located in the top-mounted liquid level gauge tube 2. The display panel 2-1 is located on the outer wall of the top-mounted liquid level gauge tube 2.

[0021] The liquid storage device includes a liquid storage pipe 5, an upper connection port 3, and a lower connection port 7. The upper connection port 3 is located at the upper end of the outer wall of the liquid storage pipe 5 and is used to maintain the gas pressure balance between the liquid storage pipe 5 and the absorption tower. The upper connection port 3 is equipped with a flange I9 for connecting to the absorption tower. The lower connection port 7 is located at the lower end of the outer wall of the liquid storage pipe 5 and is used to pass the solution in the absorption tower to form a communicating vessel. The lower connection port 7 is equipped with a flange II10 for connecting to the absorption tower. The float 4 is located in the liquid storage pipe 5. The top-mounted liquid level gauge tube 2 is a round tube with one end closed. The non-closed end of the top-mounted liquid level gauge tube 2 is connected to the upper end of the liquid storage pipe 5.

[0022] A baffle plate 13 is installed between the top-mounted liquid level gauge tube 2 and the liquid storage tube 5. A through hole is provided in the middle of the baffle plate 13 for the connecting rod 12 to pass through. The connecting rod 12 can slide in the through hole. A cleaning port 6 is also included. The cleaning port 6 is located at the outer wall of the lower connecting port 7. The cleaning port is equipped with a control valve 11. The diameter of the top-mounted liquid level gauge tube 2 is smaller than that of the liquid storage tube 5. The top-mounted liquid level gauge tube 2 is connected to the liquid storage tube 5 through an inspection flange 8. A drain valve 14 is installed at the bottom of the liquid storage tube 5 to discharge the precipitated mixed water in the liquid storage tube 5.

[0023] During actual use, the upper connecting port 3 and the lower connecting port 7 of the device are connected to the corresponding water outlet on one side of the target absorption tower. After the connection is completed, the solution is introduced into the lower connecting port 7, and the solution in the absorption tower is placed in the liquid storage pipe 5. At the same time, the upper connecting port 3 and the absorption tower are connected, so that the air pressure in the liquid storage pipe 5 is balanced with the air pressure in the absorption tower. The principle of communicating vessels is used to achieve liquid level balance between the absorption tower and the liquid storage pipe 5, so that the liquid level in the liquid storage pipe 5 can reflect the liquid level height of the absorption tower. The float 4 is located at the liquid surface of the liquid storage tube 5, and rises and falls with the change of the height of the liquid surface. When the liquid level in the liquid storage tube 5 increases, the float 4 rises accordingly, driving the connecting rod 12 to rise, and the magnetic ball 1 also rises at the same time. Since the magnetic ball 1 has magnetic force and the display panel 2-1 has a magnetic flap, the rise of the magnetic ball 1 can drive the magnetic flap on the display panel 2-1 to flip. The staff can know the liquid level in the absorption tower by reading the liquid level indication corresponding to the flipped top magnetic flap. When the liquid level in the liquid storage tube 5 decreases, the movement directions of the float 4, the connecting rod 12 and the magnetic ball 1 are opposite, and the magnetic ball 1 drops, causing the magnetic flap of the display panel 2-1 to flip again. The staff reads the liquid level indication corresponding to the flipped top magnetic flap again to know the liquid level in the absorption tower.

[0024] When the top-mounted liquid level gauge tube 2 or the float 4, magnetic ball 1, display panel 2-1 and other parts fail, the staff can dismantle the top-mounted liquid level gauge tube 2 for troubleshooting by disassembling the inspection flange 8, without dismantling the entire liquid level device, and detect which part is faulty. After the fault is eliminated, the float 4 is put back into the liquid storage tube 5, the top-mounted liquid level gauge tube 2 is installed on the upper end of the liquid storage tube 5, and the inspection flange 8 is locked to continue working. When the liquid storage tube 5 is blocked by crystals, the staff can open the control valve III11 of the cleaning port 6, put in the cleaning liquid, and rinse the crystals in the liquid storage tube 5.

[0025] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A liquid level device, comprising a liquid level display unit, characterized in that: It also includes a liquid storage unit, and the liquid level display unit is arranged above the liquid storage unit. The liquid level display unit includes a magnetic ball, a float, a top-mounted liquid level gauge tube, a display panel, and a connecting rod. The magnetic ball is connected to the float by a connecting rod. The magnetic ball is located in the top-mounted liquid level gauge tube. The display panel is located on the outer wall of the top-mounted liquid level gauge tube. The liquid storage unit includes a liquid storage tube, an upper connecting port, and a lower connecting port. The upper connecting port is located at the upper end of the outer wall of the liquid storage tube, and the lower connecting port is located at the lower end of the outer wall of the liquid storage tube. The float is located in the liquid storage tube. The top-mounted liquid level gauge tube is a round tube with one end closed, and the non-closed end of the top-mounted liquid level gauge tube is connected to the upper end of the liquid storage tube.

2. A liquid level device according to claim 1, characterized in that: It also includes a cleaning port, which is located at the outer wall of the lower connecting port.

3. A liquid level device according to claim 2, characterized in that: The top-mounted liquid level gauge tube has a smaller diameter than the liquid storage tube.

4. A liquid level device according to claim 3, characterized in that: The liquid level display unit comprises an inspection flange, and the top-mounted liquid level gauge tube is connected to the liquid storage tube via the inspection flange.

5. A liquid level device according to claim 4, characterized in that: A drain valve is arranged at the bottom of the liquid storage pipe.

6. A liquid level device according to claim 5, characterized in that: The cleaning port is equipped with a control valve.

7. A liquid level device according to claim 6, characterized in that: A blocking piece is installed between the top-mounted liquid level gauge tube and the liquid storage tube.

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