Liquid flow detection device

Abstract

The utility model discloses a liquid flow detection device in the technical field of metering equipment. The device comprises a liquid inlet pipeline, a flow meter and a liquid outlet pipeline, a buffer tank is arranged between the liquid inlet pipeline and the flow meter, the liquid inlet pipeline is connected with the top of the buffer tank, a liquid distribution plate is arranged in the buffer tank, the liquid distribution plate is V-shaped or conical, and an opening of the liquid distribution plate faces downwards and is located below the liquid inlet pipeline; an inlet of the pipeline leading to the flowmeter from the buffer tank is located at the bottom of the buffer tank, the inlet and an outlet of the liquid inlet pipeline are located on the two opposite sides of the buffer tank respectively, and a liquid outlet valve is arranged on the pipeline leading to the flowmeter from the buffer tank; and an exhaust hole is formed above the buffer tank. The buffer tank is arranged, and the exhaust hole is formed above the buffer tank, so that gas in the to-be-detected liquid is conveniently exhausted and is prevented from entering the flow meter to influence a detection result; a liquid inlet pipeline and a liquid outlet pipeline of the buffer tank are oppositely arranged, so that the influence of liquid inlet on liquid outlet is avoided; the liquid distribution plate is arranged below the outlet of the liquid inlet pipeline, so that liquid and air in the liquid are prevented from directly rushing into the bottom of the buffer tank to disturb the liquid outlet stability.

Description

Technical Field

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

[0002] Existing automation in the food, pharmaceutical and chemical industries has become increasingly common, and liquid mixing is one of the basic operations in production and management. However, in practice, due to the limited number of container weighing modules (flow meters) in enterprises and their fixed installation positions, there is a certain distance between the flow meter and the container, which will affect the efficiency of product mixing.

[0003] Based on this, a mobile flow detection device has emerged, in which the flow meter is installed on a base with wheels, so that the position of the flow meter can be adjusted to connect to containers to be detected at different locations. In the use of mobile flow detection devices, since the container to be detected is not fixed, the flow meter and the container to be detected are not always connected, and the production end of the enterprise generally energizes the liquid in the pipeline through a pump. In the initial stage, due to the presence of air in the pipeline, inaccurate measurement will occur. Utility Model Content

[0004] In order to overcome the problem of inaccurate measurement results caused by gas contained in liquid in the existing liquid flow detection device, the utility model provides a liquid flow detection device.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] The liquid flow detection device comprises a liquid inlet pipe, a flow meter and a liquid outlet pipe, wherein the liquid inlet pipe is connected to the inlet of the flow meter, the liquid outlet pipe is connected to the outlet of the flow meter, a buffer tank is arranged between the liquid inlet pipe and the flow meter, the liquid inlet pipe is connected to the top of the buffer tank, a liquid separator plate is arranged in the buffer tank, the liquid separator plate is V-shaped or conical, the opening of the liquid separator plate faces downward and is located below the liquid inlet pipe; the pipe inlet from the buffer tank to the flow meter is located at the bottom of the buffer tank, and is located on opposite sides of the buffer tank with the outlet of the liquid inlet pipe respectively, and a liquid outlet valve is arranged on the pipe from the buffer tank to the flow meter; an exhaust hole is arranged above the buffer tank.

[0007] In the present application, a buffer tank is arranged between the liquid inlet pipe and the flow meter, and an exhaust hole is arranged above the buffer tank to facilitate the discharge of gas in the liquid to be detected, thereby preventing the gas from entering the flow meter and affecting the detection result; the liquid inlet and liquid outlet pipes of the buffer tank are arranged relative to each other to avoid the influence of the liquid inlet on the liquid outlet; further, a liquid separator is provided below the outlet of the liquid inlet pipe to guide the liquid entering the buffer tank, thereby preventing the liquid and the air therein from directly rushing into the bottom of the buffer tank and disturbing the stability of the liquid outlet.

[0008] In some embodiments, a vertically transparent portion of the buffer tank is provided as an observation window.

[0009] In this embodiment, an observation window is added to monitor the liquid level in the buffer tank in real time.

[0010] In some embodiments, a minimum scale line and a maximum scale line are provided on the observation window.

[0011] In this embodiment, the volume of the liquid in the buffer tank is maintained within a suitable range by means of the minimum scale line and the maximum scale line.

[0012] In some embodiments, a variable adapter is provided at the inlet end of the liquid inlet pipe.

[0013] In this embodiment, by providing a variable adapter, the liquid flow detection device itself can be adapted to different on-site pipeline diameters.

[0014] In some embodiments, a safety valve for pressure relief is further provided on the top of the buffer tank.

[0015] In this embodiment, a safety valve is added to prevent excessive pressure in the buffer tank and to relieve pressure in an emergency.

[0016] In some embodiments, a drain valve is provided at the bottom of the buffer tank.

[0017] In this embodiment, the liquid in the buffer tank is emptied when switching the liquid to be tested.

[0018] In some embodiments, the flow meter is electrically connected to a flow indicator.

[0019] In this embodiment, the flow meter and the flow display are connected via a data line for easy observation.

[0020] In some embodiments, a base is also included, the buffer tank and the flow meter are both arranged on the base, and a plurality of wheels are arranged under the base.

[0021] In this embodiment, a base with wheels is provided, and the buffer tank and the flow meter are fixedly arranged on the base, so that the liquid flow detection device as a whole is easy to move, thereby facilitating connection with the container to be detected.

[0022] In some embodiments, a handle is provided on the buffer tank or the flow meter.

[0023] In this embodiment, a handle is provided to facilitate driving the wheels under the base to rotate.

[0024] The beneficial effects of the utility model are:

[0025] 1. A buffer tank is set between the liquid inlet pipe and the flow meter, and an exhaust hole is set above the buffer tank to facilitate the discharge of gas in the liquid to be tested, so as to prevent it from entering the flow meter and affecting the test results; the liquid inlet and outlet pipes of the buffer tank are arranged relatively to avoid the influence of the liquid inlet on the liquid outlet; a liquid separator is set below the outlet of the liquid inlet pipe to prevent the liquid and the air therein from directly rushing into the bottom of the buffer tank and disturbing the stability of the liquid outlet.

[0026] 2. Add an observation window to monitor the liquid level in the buffer tank in real time. Furthermore, the liquid volume in the buffer tank is maintained within an appropriate range through the minimum and maximum scale lines.

[0027] 3. By setting a variable adapter, the liquid flow detection device itself can be adapted to different on-site pipeline diameters; by setting a base and a handle, the overall movement of the device can be facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a structural schematic diagram of the liquid flow detection device provided by the utility model.

[0029] The markings in the figure are: 1. variable adapter; 2. liquid inlet pipe; 3. separator plate; 4. exhaust valve; 5. liquid outlet valve; 6. observation window; 7. flow meter; 8. liquid outlet pipe; 9. safety valve; 10. wheel; 11. buffer tank; 12. casing; 13. flow display; 14. base; 15. handle; 16. drain valve; 17. buckle. DETAILED DESCRIPTION

[0030] The utility model is further described below in conjunction with the accompanying drawings.

[0031] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0032] like Figure 1 As shown, the utility model provides a liquid flow detection device.

[0033] A liquid flow detection device comprises a liquid inlet pipe 2, a flowmeter 7 and a liquid outlet pipe 8, wherein the liquid inlet pipe 2 is connected to the inlet of the flowmeter 7, the liquid outlet pipe 8 is connected to the outlet of the flowmeter 7, a buffer tank 11 is arranged between the liquid inlet pipe 2 and the flowmeter 7, the liquid inlet pipe 2 is connected to the top of the buffer tank 11, a liquid separator plate 3 is arranged in the buffer tank 11, the liquid separator plate 3 is V-shaped or conical, the opening of the liquid separator plate 3 faces downward and is located below the liquid inlet pipe 2; the pipe inlet from the buffer tank 11 to the flowmeter 7 is located at the bottom of the buffer tank 11, and is located at opposite sides of the buffer tank 11 with the outlet of the liquid inlet pipe 2 respectively, a liquid outlet valve 5 is arranged on the pipe from the buffer tank 11 to the flowmeter 7; an exhaust hole is arranged above the buffer tank 11.

[0034] In the present application, a buffer tank 11 is arranged between the liquid inlet pipe 2 and the flow meter 7, and an exhaust hole is arranged above the buffer tank 11 to facilitate the discharge of gas in the liquid to be detected and prevent it from entering the flow meter 7 and affecting the detection result; the liquid inlet and liquid outlet pipes 8 of the buffer tank 11 are relatively arranged to avoid the influence of the liquid inlet on the liquid outlet; further, a liquid separator 3 is provided below the outlet of the liquid inlet pipe 2 to guide the liquid entering the buffer tank 11 to prevent the liquid and the air therein from directly rushing into the bottom of the buffer tank 11 and disturbing the stability of the liquid outlet.

[0035] The exhaust hole is connected to the outside through a pipeline, and an exhaust valve 4 is arranged on the pipeline.

[0036] In this embodiment, a transparent portion of the buffer tank 11 in the vertical direction is provided as an observation window 6 to timely monitor the liquid level in the buffer tank 11. Furthermore, a minimum scale line and a maximum scale line are provided on the observation window 6, and the minimum scale line and the maximum scale line are used to maintain the liquid volume in the buffer tank 11 within a suitable range.

[0037] In this embodiment, a variable adapter 1 is provided at the inlet end of the liquid inlet pipe 2. By providing the variable adapter 1, the liquid flow detection device itself can be adapted to different on-site pipe calibers.

[0038] Specifically, a stainless steel baffle is provided in the middle of the variable adapter 1, and the lower part is connected and fixed to the liquid inlet pipe 2 through a buckle 17, and the liquid inlet pipe 2 is a stainless steel hose.

[0039] In this embodiment, a safety valve 9 for pressure relief is further provided on the top of the buffer tank 11 to prevent excessive pressure in the buffer tank 11 and to relieve pressure in an emergency.

[0040] In this embodiment, a drain valve 16 is provided at the bottom of the buffer tank 11 for draining the liquid in the buffer tank 11 when switching the liquid to be tested.

[0041] In this embodiment, the flow meter 7 is electrically connected to the flow display 13, and the flow meter 7 and the flow display 13 are connected via a data line for easy observation.

[0042] In this embodiment, a base 14 is further included, and the buffer tank 11 and the flow meter 7 are both arranged on the base 14 , and a plurality of wheels 10 are arranged below the base 14 .

[0043] In this embodiment, the flow meter 7 is provided with a housing 12 to facilitate the fixation and protection of the flow meter 7. The housing 12 is provided with a handle 15, and the handle 15 is provided to facilitate driving the wheels 10 under the base 14 to rotate.

[0044] Working principle: the variable adapter 1 is connected to the liquid inlet pipe 2 through the buckle 17. The liquid enters the buffer tank 11 through the variable adapter 1 and the liquid inlet pipe 2, and slides down through the guide of the liquid separator plate 3; the liquid outlet valve 5 is closed, and the exhaust valve 4 is opened to discharge the air in the liquid. The liquid accumulates in the buffer tank 11. The liquid level is observed through the observation window 6. When the liquid level reaches a certain height, the liquid outlet valve 5 is opened. During the liquid discharge process, the exhaust valve 4 and the liquid outlet valve 5 are adjusted so that the liquid can discharge the air and stably enter the flow meter 7. After metering, the liquid is discharged through the liquid outlet pipe 8. The remaining liquid in the buffer tank 11 can be discharged by opening the drain valve 6.

[0045] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid flow detection device, comprising a liquid inlet pipe (2), a flow meter (7) and a liquid outlet pipe (8), wherein the liquid inlet pipe (2) is connected to the inlet of the flow meter (7), and the liquid outlet pipe (8) is connected to the outlet of the flow meter (7), wherein: A buffer tank (11) is arranged between the liquid inlet pipeline (2) and the flow meter (7); the liquid inlet pipeline (2) is connected to the top of the buffer tank (11); a liquid separator plate (3) is arranged in the buffer tank (11); the liquid separator plate (3) is V-shaped or conical; the opening of the liquid separator plate (3) faces downward and is located below the outlet of the liquid inlet pipeline (2); an inlet of a pipeline from the buffer tank (11) to the flow meter (7) is located at the bottom of the buffer tank (11), and is located on opposite sides of the buffer tank (11) from the outlet of the liquid inlet pipeline (2); a liquid outlet valve (5) is arranged on the pipeline from the buffer tank (11) to the flow meter (7); and an exhaust hole is arranged above the buffer tank (11).

2. The liquid flow detection device according to claim 1, characterized in that: A transparent portion of the buffer tank (11) in the vertical direction is provided as an observation window (6).

3. The liquid flow detection device according to claim 2, characterized in that: The observation window (6) is provided with a minimum scale line and a maximum scale line.

4. The liquid flow detection device according to claim 1, characterized in that: A variable adapter (1) is provided at the inlet end of the liquid inlet pipeline (2).

5. The liquid flow detection device according to claim 1, characterized in that: A safety valve (9) for pressure relief is also provided on the top of the buffer tank (11).

6. The liquid flow detection device according to claim 1, characterized in that: A drain valve (16) is provided at the bottom of the buffer tank (11).

7. The liquid flow detection device according to claim 1, characterized in that: The flow meter (7) is electrically connected to a flow display (13).

8. The liquid flow detection device according to any one of claims 1 to 7, characterized in that: It also comprises a base (14), the buffer tank (11) and the flow meter (7) are both arranged on the base (14), and a plurality of wheels (10) are arranged below the base (14).

9. The liquid flow detection device according to claim 8, characterized in that: A handle (15) is provided on the buffer tank (11) or the flow meter (7).

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