Ozone gas dissolving device

Abstract

The utility model discloses an ozone gas dissolving device which comprises an electromagnetic valve, a gas dissolving tank, a liquid level pipe, an upper liquid level sensor, a lower liquid level sensor and a controller, a liquid inlet and a liquid outlet are formed in the dissolved air tank, an exhaust port is formed in the top end of the dissolved air tank, the electromagnetic valve is connected with the exhaust port, the upper end of the liquid level pipe is communicated with the top end of the dissolved air tank, the lower end of the liquid level pipe is communicated with the lower portion of the dissolved air tank, and the upper liquid level sensor and the lower liquid level sensor are sequentially arranged on the liquid level pipe from top to bottom. And the controller is electrically connected with the electromagnetic valve, the upper liquid level sensor and the lower liquid level sensor respectively. According to the ozone gas dissolving device, the liquid level height in the gas dissolving tank can be accurately controlled.

Description

Technical Field

[0001] The utility model belongs to the technical field of water treatment equipment, and particularly relates to an ozone dissolving device. Background Art

[0002] When preparing ozone water, the ozone generated by the ozone generator is brought into the ozone dissolving tank through the ejector, and dissolved in the ozone dissolving tank to form ozone water. Since the ozone cannot be completely dissolved in the dissolving tank, the undissolved ozone will be discharged into the tail gas decomposer through the automatic exhaust valve at the upper end of the ozone dissolving tank for ozone decomposition. In the existing automatic exhaust valve, the switch state of the exhaust port is controlled by a float to control the discharge of ozone gas, thereby controlling the liquid level in the ozone dissolved gas tank. Due to its own structural limitations, the automatic exhaust valve cannot accurately control the liquid level in the ozone dissolved gas tank; when the automatic exhaust valve is blocked, the ozone tail gas in the ozone dissolved gas tank cannot be discharged in time, resulting in a too low liquid level, and undissolved ozone will be discharged from the discharge port of the ozone dissolved gas tank, affecting safety in use; when the float of the automatic exhaust valve fails, the exhaust valve cannot be effectively closed, resulting in a too high liquid level in the ozone dissolved gas tank, and the water in the ozone dissolved gas tank will enter the tail gas decomposer through the automatic exhaust valve, affecting the working efficiency of the tail gas decomposer. Utility Model Content

[0003] In view of the above problems, the utility model discloses an ozone dissolving device to overcome the above problems or at least partially solve the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses an ozone dissolving device, comprising a solenoid valve, a dissolving tank, a liquid level pipe, an upper liquid level sensor, a lower liquid level sensor and a controller;

[0006] The gas dissolving tank is provided with a liquid inlet and a liquid outlet, the top of the gas dissolving tank is provided with an exhaust port, the solenoid valve is connected to the exhaust port, the upper end of the liquid level pipe is communicated with the top of the gas dissolving tank, the lower end of the liquid level pipe is communicated with the lower part of the gas dissolving tank, the upper liquid level sensor and the lower liquid level sensor are arranged on the liquid level pipe in sequence from top to bottom, and the controller is electrically connected to the solenoid valve, the upper liquid level sensor and the lower liquid level sensor respectively.

[0007] Further, it also includes an overflow pipe and a screen plate;

[0008] The lower end of the overflow pipe is communicated with the exhaust port, the upper end of the overflow pipe is connected with the solenoid valve, and the sieve plate is arranged in the overflow pipe.

[0009] Furthermore, the liquid inlet is arranged at the upper part of the gas dissolving tank, and the liquid outlet is arranged at the lower part of the gas dissolving tank.

[0010] Furthermore, it also includes a liquid outlet pipe;

[0011] The liquid outlet pipe is communicated with the liquid outlet, and the lower end of the liquid level pipe is communicated with the liquid outlet pipe.

[0012] Further, it also includes a pressure regulating valve;

[0013] The pressure regulating valve is arranged on the liquid outlet pipe and is used for regulating the pressure in the gas dissolving tank.

[0014] Further, it also includes a pressure detection unit;

[0015] The pressure detection unit is arranged on the liquid outlet pipe or the dissolved gas tank, and is used for detecting the pressure in the dissolved gas tank.

[0016] The advantages and beneficial effects of the utility model are:

[0017] In the ozone dissolving device of the utility model, by arranging a liquid level pipe which is connected to the upper and lower parts of the dissolving tank, and arranging an upper liquid level sensor and a lower liquid level sensor on the liquid level pipe, the liquid level height in the dissolving tank can be detected, so that the controller can control the operation of the solenoid valve according to the liquid level height, thereby realizing accurate control of the liquid level height in the dissolving tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] By reading the detailed description of the preferred embodiment below, various other advantages and benefits will become clear to those of ordinary skill in the art. The accompanying drawings are only used for the purpose of illustrating the preferred embodiment and are not considered to be limiting of the present invention. Moreover, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0019] Figure 1 It is a front view of an ozone dissolving device in one embodiment of the utility model;

[0020] Figure 2 It is an axial cross-sectional view of an ozone dissolving device in one embodiment of the utility model.

[0021] In the figure: 1. solenoid valve; 2. dissolved air tank; 2-1. hollow tank body; 2-2. top cover; 2-3. blind plate; 3. liquid level pipe; 4. upper liquid level sensor; 5. lower liquid level sensor; 6. liquid inlet; 7. overflow pipe; 8. sieve plate; 9. liquid outlet pipe; 10. manual valve; 11. pressure detection unit; 12. flange. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The technical solutions provided by various embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] In one embodiment of the present invention, an ozone dissolving device is provided, such as Figure 1 and Figure 2 As shown, the ozone dissolving device includes a solenoid valve 1, a dissolving tank 2, a liquid level tube 3, an upper liquid level sensor 4, a lower liquid level sensor 5 and a controller (not shown in the figure).

[0025] Specifically, a liquid inlet 6 and a liquid outlet are provided on the dissolved gas tank 2, and an exhaust port is provided at the top of the dissolved gas tank 2. A mixed solution of ozone and water enters the dissolved gas tank 2 through the liquid inlet 6, ozone not dissolved in water is discharged through the exhaust port, and ozone water is discharged through the liquid outlet. The solenoid valve 1 is connected to the exhaust port, and the exhaust port switch is controlled by the solenoid valve 1 to control whether the ozone gas in the dissolved gas tank 2 is discharged. The upper end of the liquid level pipe 3 is communicated with the top of the dissolved gas tank 2, and the lower end of the liquid level pipe 3 is communicated with the lower part of the dissolved gas tank 2, so that the liquid level height in the liquid level pipe 3 and the liquid level height in the dissolved gas tank 2 are always consistent. The upper liquid level sensor 4 and the lower liquid level sensor 5 are arranged on the liquid level pipe 3 in sequence from top to bottom, and the upper liquid level sensor 4 and the lower liquid level sensor 5 are arranged at intervals. The controller is electrically connected to the solenoid valve 1, the upper liquid level sensor 4 and the lower liquid level sensor 5 respectively, and the controller can control the solenoid valve 1 to be opened or closed.

[0026] When the liquid level in the liquid level pipe 3 reaches the position of the upper liquid level sensor 4, the upper liquid level sensor 4 sends a high liquid level signal to the controller, and the controller controls the electromagnetic valve 1 to close. As the ozone gas in the dissolved gas tank 2 increases, the liquid level in the dissolved gas tank 2 and the liquid level pipe 3 will decrease; when the liquid level in the liquid level pipe 3 reaches the position of the lower liquid level sensor 5, the lower liquid level sensor 5 sends a low liquid level signal to the controller, and the controller controls the electromagnetic valve 1 to open. As the ozone gas in the dissolved gas tank 2 decreases, the liquid level in the dissolved gas tank 2 and the liquid level pipe 3 will increase. In this way, the liquid level in the dissolved gas tank 2 is maintained between the upper liquid level sensor 4 and the lower liquid level sensor 5, and the liquid level is precisely controlled.

[0027] In summary, in the ozone dissolving device of this embodiment, by providing a liquid level tube connected to the upper and lower parts of the dissolving tank, and providing an upper liquid level sensor and a lower liquid level sensor on the liquid level tube, the liquid level height in the dissolving tank can be detected, so that the controller can control the operation of the solenoid valve according to the liquid level height, thereby realizing precise control of the liquid level height in the dissolving tank.

[0028] In this embodiment, if Figure 2 As shown, the ozone dissolving device also includes an overflow pipe 7 and a sieve plate 8.

[0029] The lower end of the overflow pipe 7 is communicated with the exhaust port, the upper end of the overflow pipe 7 is connected to the solenoid valve 1, the sieve plate 8 is arranged in the overflow pipe 7, the sieve plate 8 is provided with sieve holes, the gas can pass through the sieve plate 8 through the sieve holes to reach the solenoid valve 1, the sieve plate 8 can block the water splashed in the dissolved gas tank 2 from reaching the solenoid valve 1, and the blocked water flows back into the dissolved gas tank 2 along the overflow pipe 7.

[0030] Furthermore, the liquid level tube may be a transparent tube, through which the liquid level height in the liquid level tube can be visually seen. The transparent tube may be a glass tube or a transparent plastic tube. When the liquid level in the liquid level tube reaches the position of the upper liquid level sensor and continues to rise, or the liquid level in the liquid level tube reaches the position of the lower liquid level sensor and continues to drop, if both the upper liquid level sensor and the lower liquid level sensor work normally, it can be determined that the solenoid valve is faulty, which facilitates intuitive judgment of the working state of the solenoid valve and ensures stable operation of the ozone dissolving device.

[0031] In this embodiment, if Figure 1 As shown, the liquid inlet 6 is arranged at the upper part of the dissolved gas tank 2. When the mixed solution enters the container tank from the liquid inlet 6, a liquid level difference will be formed with the liquid surface in the dissolved gas tank 2, thereby facilitating the dissolution of ozone in water. The liquid outlet is arranged at the lower part of the dissolved gas tank 2, so that the liquid discharged from the liquid outlet is all ozone water.

[0032] In addition, the liquid inlet is tangentially welded to the dissolved gas tank, so that the mixed solution entering from the liquid inlet forms a vortex in the dissolved gas tank, thereby promoting the dissolution of ozone in water.

[0033] In addition, if Figure 2 As shown, the ozone dissolving device further includes a liquid outlet pipe 9 , which is connected to the liquid outlet, and the lower end of the liquid level pipe 3 is connected to the liquid outlet pipe 9 .

[0034] Furthermore, if Figure 2 As shown, a manual valve 10 may be provided between the liquid level tube 3 and the liquid outlet pipe 9, and the manual valve 10 may be used to control whether the lower end of the liquid level tube 3 is connected to the dissolved gas tank 2, so as to facilitate the maintenance or replacement of the upper liquid level sensor 4 and the lower liquid level sensor 5.

[0035] In this embodiment, the ozone dissolving device further includes a pressure regulating valve (not shown in the figure); wherein the pressure regulating valve is preferably an automatic pressure regulating valve.

[0036] The pressure regulating valve is arranged on the liquid outlet pipe to adjust the pressure in the gas dissolving tank so that the pressure in the gas dissolving tank can be kept within a reasonable range, thereby making the ozone more soluble in water. For example, the pressure in the gas dissolving tank can be controlled at 0.15MPa by the pressure regulating valve, so that the ozone is dissolved more fully.

[0037] In addition, if Figure 2 As shown, the ozone dissolving device further includes a pressure detection unit 11 .

[0038] The pressure detection unit 11 is arranged on the liquid outlet pipe 9, and is used to detect the pressure in the gas dissolving tank 2, so as to know the pressure in the gas dissolving tank 2. The pressure detection unit can be a pressure sensor or a pressure gauge; when the pressure detection unit is a pressure sensor, the controller can be electrically connected to the pressure detection unit and the pressure regulating valve respectively, and the pressure sensor sends the detected pressure data to the controller, and the controller controls the pressure regulating valve to open or close according to the pressure data, so as to realize the automatic control of the pressure in the gas dissolving tank. In other embodiments, the pressure detection unit can also be arranged on the gas dissolving tank, which is also within the protection scope of the present utility model.

[0039] In addition, if Figure 2 As shown, the gas dissolving tank includes a hollow tank body 2-1, a top cover 2-2 and a blind plate 2-3.

[0040] The blind plate 2-3 is welded and fixed to the lower end of the hollow tank body 2-1, and the top cover 2-2 is fixed to the upper end of the hollow tank body 2-1 through the flange 12. A sealing ring can be arranged between the top cover 2-2 and the flange 12 to achieve sealing between the two. Of course, in other embodiments, the gas dissolving tank can be composed of a tank body and a head or a flat plate.

[0041] The above description is only a specific implementation of the present invention. Under the above teaching of the present invention, those skilled in the art can make other improvements or modifications based on the above embodiments. Those skilled in the art should understand that the above specific description is only to better explain the purpose of the present invention, and the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. An ozone dissolving device, characterized in that: It includes a solenoid valve, a dissolved gas tank, a liquid level pipe, an upper liquid level sensor, a lower liquid level sensor and a controller; The gas dissolving tank is provided with a liquid inlet and a liquid outlet, the top of the gas dissolving tank is provided with an exhaust port, the solenoid valve is connected to the exhaust port, the upper end of the liquid level pipe is communicated with the top of the gas dissolving tank, the lower end of the liquid level pipe is communicated with the lower part of the gas dissolving tank, the upper liquid level sensor and the lower liquid level sensor are arranged on the liquid level pipe in sequence from top to bottom, and the controller is electrically connected to the solenoid valve, the upper liquid level sensor and the lower liquid level sensor respectively.

2. The ozone dissolving device according to claim 1, characterized in that: Also includes overflow pipe and screen plate; The lower end of the overflow pipe is communicated with the exhaust port, the upper end of the overflow pipe is connected with the solenoid valve, and the sieve plate is arranged in the overflow pipe.

3. The ozone dissolving device according to claim 1 or 2, characterized in that: The liquid inlet is arranged at the upper part of the gas dissolving tank, and the liquid outlet is arranged at the lower part of the gas dissolving tank.

4. The ozone dissolving device according to claim 3, characterized in that: Also includes a liquid outlet tube; The liquid outlet pipe is communicated with the liquid outlet, and the lower end of the liquid level pipe is communicated with the liquid outlet pipe.

5. The ozone dissolving device according to claim 4, characterized in that: Also includes a pressure regulating valve; The pressure regulating valve is arranged on the liquid outlet pipe and is used for regulating the pressure in the gas dissolving tank.

6. The ozone dissolving device according to claim 4, characterized in that: Also includes a pressure detection unit; The pressure detection unit is arranged on the liquid outlet pipe or the dissolved gas tank, and is used for detecting the pressure in the dissolved gas tank.

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