Purity detection device

Abstract

The utility model belongs to the field of gas detection, and particularly relates to a purity detection device which comprises a detection base, a detection bracket is fixedly mounted at the top of the detection base, and a reaction tank is mounted on one side of the detection bracket in a clamping manner; a liquid pump is fixedly mounted at the top of the detection base, a fixed pipeline is fixedly mounted on one side of the liquid pump, an adapter pipe is fixedly mounted at the top of the fixed pipeline, a liquid inlet head is arranged at the top of the reaction tank, and the outer side of the liquid inlet head is clamped and sleeved with the adapter pipe; a proportional valve body and a flow valve body are fixedly mounted on the sides, close to each other, of the two adapter pipes respectively, and the proportional valve body is connected with the flow valve body; and quantitative mechanisms are arranged on the inner sides of the quantitative valve body and the flow valve body. According to the utility model, the volume of the injected solution can be accurately controlled, the error during solution injection is reduced, the injection amount of the solution in each experiment is consistent, the stability of reaction conditions is ensured, and the accuracy of a detection result is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas detection technical field especially relates to a purity detection device. BACKGROUND

[0002] In the production process of acetylene gas, acetyylene gas purity is a very important index of acetylene gas quality, for example, 98% solubility acetylene gas is low in price, only suitable as a raw material for gas cutting, and more than 99.8% gas is suitable for laboratory use, but because of its high purity, the price is also high.

[0003] But after producing acetylene gas, in order to verify the purity of acetylene gas, it is generally detected by meteorological chromatograph and other equipment, but the detection cost of the equipment is large, and it is not suitable for frequent sampling inspection of acetylene gas, so it is generally detected by acetylene gas absorption tube, in the prior art, high-pressure acetylene gas is absorbed into the absorption tube, then potassium bromide saturated solution is injected, four bromoethane is formed by the reaction of the two, and the impurity gas existing in the acetylene gas cannot be absorbed by the potassium bromide solution, the impurity gas will exist below the plug of the absorption tube, the scale on the absorption tube is read out by the liquid level of the four bromoethane solution below the impurity gas, so as to determine the purity of acetyylene gas, the common absorption tube has poor convenience, manual operation is needed, and the detection stability is affected.

[0004] In view of the above problems, the patent number CN219104869U has been disclosed, a kind of gas purity detection device is proposed, which increases the diversity of device function, improves purity detection efficiency, including reaction box, inlet valve, liquid inlet valve, control valve, liquid collecting pipe, support mechanism and stirring mechanism, reaction box is installed on support mechanism, inlet valve is installed at the inlet of reaction box, liquid inlet valve is installed at the liquid inlet of reaction box, control valve is installed at the liquid outlet of reaction box, liquid collecting pipe is installed on control valve, scale line is provided on liquid collecting pipe, stirring mechanism is installed on reaction box;

[0005] However, there are still deficiencies, the existing equipment needs manual injection of potassium bromide saturated solution, this process involves multiple steps, and human factors have great influence on the operation process, for example, the flow control difference when injecting solution, which may cause inconsistent experimental conditions each time, affecting detection accuracy.

[0006] Therefore, we propose a purity detection device to solve the above problems. Utility model content

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] The utility model provides a kind of purity detection device, including detection base, the top of the detection base is fixedly installed with detection support, the side of the detection support is clamped and installed with reaction tank;The top of the detection base is fixedly installed with liquid pump, the side of the liquid pump is fixedly installed with fixed pipeline, the top of the fixed pipeline is fixedly installed with adapter pipe, the top of the reaction tank is equipped with liquid inlet head, the outside of the liquid inlet head is clamped and equipped with adapter pipe, the side of two adapter pipes close to each other is fixedly installed with quantitative valve body and flow valve body respectively, and the quantitative valve body and flow valve body are connected;The inside of the quantitative valve body and flow valve body is equipped with quantitative mechanism.

[0009] Specifically, the bottom of the reaction tank is fixedly installed with an electric control valve, and the bottom of the electric control valve is clamped and sleeved with a graduated tube, so as to observe the liquid level of the solution and determine the purity of acetylene gas.

[0010] Specifically, a stirring shaft is rotatably installed on the inner wall of the top of the reaction tank, a plurality of stirring blades are fixedly sleeved on the outer side of the stirring shaft, a stirring servo motor is fixedly installed on the top of the reaction tank, and the output shaft of the stirring servo motor is fixedly connected with the stirring shaft, so as to rotate the stirring shaft by the stirring servo motor.

[0011] Specifically, a solution tank is clamped and installed on the top of the detection base, a liquid inlet pipe is fixedly installed on one side of the solution tank, and the other end of the liquid inlet pipe is connected with the liquid pump, so as to pump the solution in the solution tank.

[0012] Specifically, the quantitative mechanism includes a valve rod, a valve plate, a sealing assembly, a valve housing and a flow assembly, the valve rod is rotatably installed in the inside of the quantitative valve body, the valve plate is fixedly sleeved on the outer side of the valve rod, the valve housing is fixedly installed on the top of the quantitative valve body, the sealing assembly is arranged in the inside of the valve housing, and the flow assembly is arranged in the inside of the flow valve body.

[0013] Specifically, the sealing assembly includes a worm gear, a worm and a quantitative servo motor, the worm gear is rotatably installed on the inner wall of the bottom of the valve housing, the bottom of the worm gear is fixedly connected with the top of the valve rod, the worm is rotatably installed on the inner wall of one side of the valve housing, the worm is engaged with the worm gear, the quantitative servo motor is fixedly installed on the inner wall of the bottom of the valve housing, and the output shaft of the quantitative servo motor is fixedly connected with the worm, so as to rotate the worm by the quantitative servo motor.

[0014] Specifically, the flow assembly includes a fixed shaft, an impeller and a plurality of magnetic steels, the fixed shaft is fixedly installed on the inner wall of one side of the flow valve body, the impeller is rotatably sleeved on the fixed shaft, the outer side of the impeller is provided with a plurality of blades, and the magnetic steels are fixedly installed on one side of the plurality of blades.

[0015] Specific, the top of the flow valve body is fixedly installed with a hall sensor, which is convenient for monitoring the flow of the solution.

[0016] Compared with the prior art, the beneficial effects of the utility model lie in: through the quantitative mechanism arranged, the volume of injected solution can be accurately controlled, the error when injecting the solution is reduced, the consistency of the solution injection amount of each experiment is ensured, the stability of the reaction condition is ensured, the accuracy of the detection result is improved, meanwhile, the operator does not need to hold the container to inject the solution, the operation difficulty is reduced, and the operation convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional structure schematic view of a purity detection device is provided for the utility model;

[0018] Figure 2 A three-dimensional structure split schematic view of a purity detection device is provided for the utility model;

[0019] Figure 3 A three-dimensional structure schematic view of a quantitative mechanism of a purity detection device is provided for the utility model;

[0020] Figure 4 A three-dimensional structure split schematic view of a quantitative mechanism of a purity detection device is provided for the utility model;

[0021] Figure 5 A three-dimensional structure split schematic view of a quantitative mechanism of a purity detection device is provided for the utility model.

[0022] In the drawing: 1, detection base; 2, detection support; 3, reaction tank; 4, electric control valve; 5, graduated tube; 6, stirring shaft; 7, stirring blade; 8, stirring servo motor; 9, liquid pump; 10, liquid inlet pipe; 11, solution tank; 12, fixed pipeline; 13, adapter pipe; 14, quantitative valve body; 15, valve plate; 16, valve rod; 17, worm gear; 18, worm; 19, quantitative servo motor; 20, valve housing; 21, flow valve body; 22, hall sensor; 23, fixed shaft; 24, impeller; 25, magnetic steel. DETAILED DESCRIPTION

[0023] REFERENCE Figures 1-5The utility model provides a kind of purity detection device, including detection base 1, the top of detection base 1 is fixedly installed with detection support 2, one side of detection support 2 is clamped and is installed with reaction tank 3;The top of detection base 1 is fixedly installed with liquid pump 9, one side of liquid pump 9 is fixedly installed with fixed pipeline 12, the top of fixed pipeline 12 is fixedly installed with adapter pipe 13, the top of reaction tank 3 is equipped with liquid inlet head, the outside of liquid inlet head is clamped and is equipped with adapter pipe 13, the side of two adapter pipes 13 close to each other is fixedly installed with quantitative valve body 14 and flow valve body 21 respectively, quantitative valve body 14 and flow valve body 21 are connected;The inside of quantitative valve body 14 and flow valve body 21 is equipped with quantitative mechanism.

[0024] In the embodiment, the bottom of the reaction tank 3 is fixedly installed with an electric control valve 4, and the bottom of the electric control valve 4 is clamped and sleeved with a graduated tube 5, so as to facilitate the observation of the liquid level of the solution, thereby determining the purity of acetylene gas.

[0025] In the embodiment, the top inner wall of the reaction tank 3 is rotatably installed with a stirring shaft 6, and the outside of the stirring shaft 6 is fixedly sleeved with a plurality of stirring blades 7; the top of the reaction tank 3 is fixedly installed with a stirring servo motor 8, and the output shaft of the stirring servo motor 8 is fixedly connected with the stirring shaft 6, so as to facilitate the rotation of the stirring shaft 6 driven by the stirring servo motor 8.

[0026] In the embodiment, the top of the detection base 1 is clamped and installed with a solution tank 11, one side of the solution tank 11 is fixedly installed with a liquid inlet pipe 10, and the other end of the liquid inlet pipe 10 is connected with the liquid pump 9, so as to facilitate the pumping of the solution in the solution tank 11.

[0027] In the embodiment, the quantitative mechanism includes a valve rod 16, a valve plate 15, a sealing assembly, a valve housing 20 and a flow assembly; the inside of the quantitative valve body 14 is rotatably installed with the valve rod 16, the outside of the valve rod 16 is fixedly sleeved with the valve plate 15, the top of the quantitative valve body 14 is fixedly installed with the valve housing 20, the inside of the valve housing 20 is provided with the sealing assembly, and the inside of the flow valve body 21 is provided with the flow assembly.

[0028] In the embodiment, the sealing assembly includes a worm gear 17, a worm 18 and a quantitative servo motor 19; the bottom inner wall of the valve housing 20 is rotatably installed with the worm gear 17, the bottom of the worm gear 17 is fixedly connected with the top of the valve rod 16, the side inner wall of the valve housing 20 is rotatably installed with the worm 18, the worm 18 is engaged with the worm gear 17, the bottom inner wall of the valve housing 20 is fixedly installed with the quantitative servo motor 19, and the output shaft of the quantitative servo motor 19 is fixedly connected with the worm 18, so that the worm 18 can be rotated by the quantitative servo motor 19.

[0029] In this embodiment, the flow component includes a fixed shaft 23, an impeller 24 and a plurality of magnetic steel 25, the fixed shaft 23 is fixedly installed on the inner wall of one side of the flow valve body 21, the impeller 24 is rotatably sleeved on the fixed shaft 23, the outer side of the impeller 24 is provided with a plurality of blades, and the magnetic steel 25 is fixedly installed on one side of the plurality of blades.

[0030] In this embodiment, the top of the flow valve body 21 is fixedly installed with a Hall sensor 22, which is convenient for monitoring the flow of the solution.

[0031] Working principle: when using, when the solution needs to be injected, the worker pours the potassium bromide saturated solution into the solution tank 11, starts the liquid pump 9, the liquid pump 9 transports the solution in the solution tank 11 into the left adapter pipe 13 through the liquid inlet pipe 10 and the fixed pipe 12, then the solution enters the quantitative valve body 14, at this time, the quantitative valve body 14 keeps opening to make the solution enter the flow valve body 21, the solution drives the impeller 24 to rotate, the impeller 24 drives a plurality of magnetic steel 25 to rotate around the same fixed shaft 23 as the center, the movement of the plurality of magnetic steel 25 causes the magnetic field to change, the change of the magnetic field is captured by the Hall sensor 22, according to the electromagnetic induction principle, the change of the magnetic field will make the Hall sensor 22 generate a pulse signal, and the frequency of the pulse signal is proportional to the rotating speed of the impeller 24. Through counting and processing the pulse signal, the number of revolutions of the impeller 24 and the flow of the fluid can be obtained, and the worker can check through the display screen of the Hall sensor 22, when the flow of the solution reaches a specified value, the worker starts the quantitative servo motor 19, the quantitative servo motor 19 drives the worm 18 to rotate, the worm 18 drives the worm gear 17 to rotate, the worm gear 17 drives the valve rod 16 to rotate and further drives the valve plate 15 to rotate, and the quantitative valve is closed, then the stirring servo motor 8 is started, the solution and the gas are stirred to fully mix and react, and then the electric control valve 4 is opened, the solution height is observed through the graduated tube 5, so as to determine the purity of the acetylene gas.

[0032] The technical progress obtained by the utility model compared with the prior art is that the volume of the injected solution can be accurately controlled, the error during injection of the solution is reduced, the consistency of the solution injection amount of each experiment is ensured, the stability of the reaction condition is ensured, the accuracy of the detection result is improved, meanwhile, the operator does not need to hold the container to inject the solution, the operation difficulty is reduced, and the operation convenience is improved.

Claims

1. A purity detection device, characterized by, Including detection base (1), the top of detection base (1) is fixedly installed with detection support (2), one side of detection support (2) is clamped and installed with reaction tank (3); The top of the detection base (1) is fixedly installed with a liquid pump (9), one side of the liquid pump (9) is fixedly installed with a fixed pipe (12), the top of the fixed pipe (12) is fixedly installed with an adapter pipe (13), the top of the reaction tank (3) is provided with a liquid inlet head, the outer side of the liquid inlet head is clamped and sleeved with an adapter pipe (13), two adapter pipes (13) are fixedly installed with a quantitative valve body (14) and a flow valve body (21) respectively on the side close to each other, the quantitative valve body (14) and the flow valve body (21) are connected. The inside of the quantitative valve body (14) and the flow valve body (21) is provided with a quantitative mechanism.

2. The purity detection device of claim 1, wherein The bottom of the reaction tank (3) is fixedly installed with an electric control valve (4), the bottom of the electric control valve (4) is clamped and sleeved with a graduated tube (5).

3. The purity detection device of claim 1, wherein The inside wall of the top of the reaction tank (3) is rotatably installed with a stirring shaft (6), the outside of the stirring shaft (6) is fixedly sleeved with a plurality of stirring blades (7), the top of the reaction tank (3) is fixedly installed with a stirring servo motor (8), and the output shaft of the stirring servo motor (8) is fixedly connected with the stirring shaft (6).

4. The purity detection device of claim 1, wherein The top of the detection base (1) is clamped and installed with a solution tank (11), one side of the solution tank (11) is fixedly installed with a liquid inlet pipe (10), and the other end of the liquid inlet pipe (10) is connected with the liquid pump (9).

5. The purity detection device of claim 1, wherein The quantitative mechanism comprises a valve rod (16), a valve plate (15), a sealing assembly, a valve housing (20) and a flow assembly, the inside of the quantitative valve body (14) is rotatably installed with a valve rod (16), the outside of the valve rod (16) is fixedly sleeved with a valve plate (15), the top of the quantitative valve body (14) is fixedly installed with a valve housing (20), the inside of the valve housing (20) is provided with a sealing assembly, and the inside of the flow valve body (21) is provided with a flow assembly.

6. The purity detection device of claim 5, wherein The sealing assembly comprises a worm gear (17), a worm (18) and a quantitative servo motor (19), the bottom inner wall of the valve housing (20) is rotatably installed with the worm gear (17), the bottom of the worm gear (17) is fixedly connected with the top of the valve rod (16), one side inner wall of the valve housing (20) is rotatably installed with the worm (18), the worm (18) is engaged with the worm gear (17), and the bottom inner wall of the valve housing (20) is fixedly installed with the quantitative servo motor (19), and the output shaft of the quantitative servo motor (19) is fixedly connected with the worm (18).

7. The purity detection device of claim 6, wherein The flow assembly comprises a fixed shaft (23), an impeller (24) and a plurality of magnetic steels (25), one side inner wall of the flow valve body (21) is fixedly installed with a fixed shaft (23), the fixed shaft (23) is rotatably sleeved with an impeller (24), the outside of the impeller (24) is provided with a plurality of blades, and one side of each of the plurality of blades is fixedly installed with a magnetic steel (25).

8. The purity detection device of claim 7, wherein The top of the flow valve body (21) is fixedly installed with a Hall sensor (22).

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