Circulation measuring cell with stable flow velocity

Abstract

The utility model relates to the technical field of concentration detection, in particular to a flow measuring cell with stable flow velocity, which comprises a mounting block, a measuring cell is arranged in the center of the inside of the mounting block, symmetrically distributed liquid inlet grooves are arranged in the side wall of the mounting block, opposite ends of the liquid inlet grooves are respectively communicated with the measuring cell, and the liquid inlet grooves are communicated with the mounting block. The other end of the liquid inlet groove extends to the outer side of the mounting block, the liquid inlet groove is of a flat structure, and the width of the liquid inlet groove is equal to the diameter of the measuring cell; bubbles and vortexes generated due to diameter change can be effectively avoided, the flow velocity of the material to be measured can be more stable, the physical property is more uniform, and the measurement effect is good.

Description

Technical Field

[0001] The utility model relates to a measuring cell, in particular to a flow-through measuring cell with stable flow velocity, belonging to the technical field of concentration detection. Background Art

[0002] A measuring cell is a device for detecting the concentration of a liquid, which can be used in petrochemical plants, food factories, pharmaceutical intermediates, etc. It is mainly used for on-line detection of the component concentration values of products in the above industries to control the quality of products.

[0003] However, the structure of the traditional measuring cell is single, and most of the liquid inlets are circular. Different inflow rates result in the generation of bubbles and vortices during liquid inlet, slow flow velocity, and uneven stability of liquid flow, thus affecting the effect of concentration detection. Content of the Utility Model

[0004] The purpose of the utility model is to provide a flow-through measuring cell with stable flow velocity to solve the above problems. It can effectively avoid bubbles and vortices caused by variable diameter, make the flow velocity of the material to be measured more stable, the physical properties more uniform, and the measurement effect better.

[0005] The utility model realizes the above purpose through the following technical solutions. A flow-through measuring cell with stable flow velocity includes a mounting block. A measuring cell is arranged at the center of the inner part of the mounting block. Symmetrically distributed liquid inlet grooves are arranged inside the side wall of the mounting block. The opposite ends of the two liquid inlet grooves are respectively communicated with the measuring cell. The other ends of the two liquid inlet grooves extend to the outside of the mounting block. The liquid inlet grooves are of a flat structure, and the width of the liquid inlet grooves is equal to the diameter of the measuring cell.

[0006] Preferably, the side walls at both ends of the liquid inlet groove are of an arc structure, and the height of the measuring cell is greater than the height of the liquid inlet groove.

[0007] Preferably, two symmetrically distributed connecting pipes are perpendicularly welded to the side wall of the mounting block, and the diameter of the connecting pipes is equal to the width of the liquid inlet grooves.

[0008] Preferably, threaded grooves are respectively arranged on the outer sides of one ends of the two connecting pipes, and the outer diameter of the connecting pipes is smaller than the thickness of the mounting block.

[0009] Preferably, the mounting block is of a cylindrical structure, and the measuring cell is located at the center of the inner part of the mounting block.

[0010] Preferably, a plurality of annularly distributed threaded holes are arranged on the side wall of the mounting block, and the tops of the threaded holes extend to the outside of the mounting block.

[0011] The beneficial effects of the present utility model are as follows: Through the installation of the mounting block, it is conducive to the opening of the measurement cell, realizing the collection of liquid and measuring the concentration value. Through the opening of two liquid inlet grooves, it is conducive to the transportation and derivation of liquid. Through the design of the flat opening of the liquid inlet groove and the width of the liquid inlet groove being the same as the diameter of the measurement cell, bubbles and vortices generated due to diameter change can be effectively avoided, the flow rate of the material to be measured can be made more stable, the physical properties can be made more uniform, and the measurement effect can be better. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 is a schematic diagram of the connection structure between the liquid inlet groove and the measurement cell of the present utility model;

[0014] Figure 3 is a schematic diagram of the connection structure between the measurement cell and the mounting block of the present utility model.

[0015] In the figure: 1, mounting block; 2, measurement cell; 3, threaded hole; 4, connecting pipe; 5, threaded groove; 6, liquid inlet groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0017] Please refer to Figures 1 - 3 As shown, a flow-through measurement cell with stable flow rate includes a mounting block 1. A measurement cell 2 is provided at the center inside the mounting block 1. Symmetrically distributed liquid inlet grooves 6 are provided inside the side wall of the mounting block 1. The opposite ends of the two liquid inlet grooves 6 are respectively communicated with the measurement cell 2, and the other ends of the two liquid inlet grooves 6 extend to the outside of the mounting block 1. The liquid inlet groove 6 is of a flat structure, and the width of the liquid inlet groove 6 is equal to the diameter of the measurement cell 2.

[0018] As a technical optimization scheme of the present utility model, the side walls at both ends of the liquid inlet groove 6 are of an arc structure, and the height of the measurement cell 2 is greater than the height of the liquid inlet groove 6, which is conducive to the collection of liquid inside the measurement cell 2, so as to carry out the concentration measurement work.

[0019] As a technical optimization scheme of the present utility model, two symmetrically distributed connecting pipes 4 are vertically welded to the side wall of the mounting block 1. The diameter of the connecting pipe 4 is equal to the width of the liquid inlet groove 6, which is conducive to connecting with an external pipeline, so as to facilitate the transportation of liquid.

[0020] As a technical optimization solution of the present utility model, threaded grooves 5 are respectively provided on the outer sides of one ends of the two connecting pipes 4. The outer diameter of the connecting pipe 4 is smaller than the thickness of the mounting block 1, so that the connecting pipe 4 is stably and firmly connected, and it is convenient for the external pipe to be detachably connected to the connecting pipe 4.

[0021] As a technical optimization solution of the present utility model, the mounting block 1 is of a cylindrical structure, and the measuring cell 2 is located at the center inside the mounting block 1, which is beneficial to reducing the volume for convenient installation and facilitating the measurement of the liquid concentration.

[0022] As a technical optimization solution of the present utility model, a plurality of threaded holes 3 are provided on the side wall of the mounting block 1 and are distributed in a ring shape. The top of the threaded hole 3 extends to the outside of the mounting block 1. The opening of the threaded hole 3 facilitates the detachable installation of external detection equipment and makes the operation more convenient.

[0023] When the present utility model is in use, first, the two connecting pipes 4 are threadedly connected to the external pipe, and then the measuring equipment is installed on the top of the mounting block 1 through a plurality of threaded holes 3, so that the measuring equipment extends to the inside of the measuring cell 2. The external pipe is connected, and the liquid enters the inside of the liquid inlet groove 6 through the connecting pipe 4 and then flows into the inside of the measuring cell 2 for concentration detection work. Through the design of the flat opening of the liquid inlet groove 6 and the width of the liquid inlet groove 6 being the same as the diameter of the measuring cell 2, bubbles and vortices generated due to diameter change can be effectively avoided, the flow rate of the material to be measured can be made more stable, the physical properties can be made more uniform, and the measurement effect can be better.

[0024] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0025] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A flow-through measurement cell with stable flow rate, comprising a mounting block (1), characterized in that: A measuring pool (2) is provided at the center inside the mounting block (1). Symmetrically distributed liquid inlet grooves (6) are provided inside the side wall of the mounting block (1). The opposite ends of the two liquid inlet grooves (6) are respectively communicated with the measuring pool (2), and the other ends of the two liquid inlet grooves (6) extend to the outside of the mounting block (1). The liquid inlet groove (6) is of a flat structure, and the width of the liquid inlet groove (6) is equal to the diameter of the measuring pool (2).

2. The flow-through measurement cell with stable flow rate according to claim 1, characterized in that: Both side walls at the two ends of the liquid inlet groove (6) are of arc structures, and the height of the measuring pool (2) is greater than the height of the liquid inlet groove (6).

3. The flow-through measurement cell with stable flow rate according to claim 1, wherein: Two symmetrically distributed connecting pipes (4) are perpendicularly welded to the side wall of the mounting block (1), and the diameter of the connecting pipe (4) is equal to the width of the liquid inlet groove (6).

4. The flow-through measurement cell with stable flow rate according to claim 3, characterized in that: Thread grooves (5) are respectively provided on the outer sides of one ends of the two connecting pipes (4), and the outer diameter of the connecting pipe (4) is smaller than the thickness of the mounting block (1).

5. The flow-through measurement cell with stable flow rate according to claim 1, characterized in that: The mounting block (1) is of a cylindrical structure, and the measuring pool (2) is located at the center inside the mounting block (1).

6. The flow-through measurement cell with stable flow rate according to claim 1, wherein: A plurality of annularly distributed threaded holes (3) are provided on the side wall of the mounting block (1), and the tops of the threaded holes (3) extend to the outside of the mounting block (1).

Images