Chemical sampling device

Abstract

The utility model belongs to the technical field of sampling devices, and discloses a chemical sampling device which comprises a reaction kettle for chemical processing, an upper liquid pipe and a lower liquid pipe are arranged in the reaction kettle, the upper liquid pipe is provided with a reflux valve, the lower liquid pipe is provided with a feed valve, and the lower liquid pipe is connected with a diaphragm pump; the under-liquid pipe is connected with a recovery pipe, the recovery pipe is provided with a recovery valve, the recovery pipe is connected with a sampling tank, the sampling tank is provided with a fan cover, the sampling tank is connected with a water supply pipe, the water supply pipe is provided with a flushing valve, a sampling pipe is connected between the water supply pipe and the over-liquid pipe, and the sampling pipe is provided with a sampling valve. With the adoption of the structural design, full-closed automatic sampling is realized, and the harm of chemicals to a human body can be effectively prevented; the sample is directly extracted from the reaction kettle, and the sample is in a flowing state in the pipeline before entering the sampling tank, so that the mixing effect is ensured, and the data acquisition accuracy of the sample is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sampling device technical field, concretely relates to a chemical sampling device. BACKGROUND

[0002] There are many kinds of sampling methods in chemical industry at present, but it is difficult to solve the present situation of sampling difficulty, because the needs of each unit are different, most of the factories are still in manual sampling mode at the present stage, the manual sampling is low in efficiency, it is difficult to determine the amount of sampling, and most of the chemical liquids are harmful to human body, not only limited to contact with the liquid, the inhaled volatile gas may also harm the human body, so it is often necessary to wear a large number of protective articles, which is more troublesome, and the automatic sampling unit is still in the state of self-suction into the container, which cannot achieve the mixing effect, so a relatively safe sampling device that can ensure the mixing effect is needed. SUMMARY

[0003] In view of the problems in the above background art, the purpose of the utility model is to provide a chemical sampling device.

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

[0005] A chemical sampling device, comprising a reaction kettle for chemical processing, a liquid upper pipe and a liquid lower pipe are installed in the reaction kettle, a reflux valve is installed on the liquid upper pipe, a feed valve is installed on the liquid lower pipe, a diaphragm pump is connected to the liquid lower pipe, and the output end of the diaphragm pump is communicated with the liquid upper pipe;

[0006] The liquid lower pipe is connected with a recovery pipe, the recovery pipe is installed with a recovery valve, the recovery pipe is connected with a sampling tank, the sampling tank is installed with a fan cover, the sampling tank is connected with a water supply pipe, the water supply pipe is communicated with the top side of the sampling tank, the water supply pipe is installed with a flushing valve, and the water supply pipe is connected with the liquid upper pipe.

[0007] Further limited, the sampling tank is connected with a discharging pipe, and the discharging pipe is installed with a discharging valve, when the sampling device is installed at a high position, the liquid in the sampling tank can be guided to the appropriate position for sample acquisition through the cooperation of the discharging pipe and the discharging valve.

[0008] Further limited, the sampling valve and the discharging valve are both quantitative valves, which realizes the quantitative acquisition of automatic samples.

[0009] Further limited, the fan cover is a universal exhaust fan cover, which is beneficial to movement, and further quickly adapts to the use of sampling tanks at different positions and manually maintains the inside of the sampling tank.

[0010] Furthermore, the nominal diameter of the liquid-filled tube, the liquid-submerged tube, the recovery tube, the water delivery tube, and the sampling tube is all 15 millimeters. This design provides a large enough diameter to effectively prevent clogging.

[0011] The beneficial effects of using this utility model are as follows:

[0012] The structural design of this utility model enables fully enclosed automated sampling, which can effectively prevent the harm of chemicals to the human body.

[0013] By adopting the structural design of this utility model, samples are directly extracted from the reaction vessel, and the samples are in a flowing state in the pipeline before entering the sampling tank, thereby ensuring the mixing effect and the accuracy of sample data acquisition.

[0014] By adopting the structural design of this utility model, the automatic cleaning of the reaction vessel can be achieved through the opening and closing of each valve body. Attached Figure Description

[0015] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of a chemical sampling device according to the present invention;

[0017] The symbols for the main components are explained below:

[0018] 1. Reactor; 2. Liquid inlet pipe; 3. Liquid outlet pipe; 4. Reflux valve; 5. Feed valve; 6. Diaphragm pump; 7. Recovery pipe; 8. Recovery valve; 9. Sampling tank; 10. Vent hood; 11. Water supply pipe; 12. Flushing valve; 13. Sampling pipe; 14. Sampling valve; 15. Discharge pipe; 16. Discharge valve. Detailed Implementation

[0019] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] like Figure 1 As shown, a chemical sampling device of the present invention includes a reaction vessel 1 for chemical processing. The reaction vessel 1 is equipped with an upper liquid pipe 2 and a lower liquid pipe 3. The upper liquid pipe 2 is equipped with a reflux valve 4, the lower liquid pipe 3 is equipped with a feed valve 5, and the lower liquid pipe 3 is connected to a diaphragm pump 6. The output end of the diaphragm pump 6 is connected to the upper liquid pipe 2.

[0021] The liquid under pipe 3 is connected with a recovery pipe 7, the recovery pipe 7 is installed with a recovery valve 8, the recovery pipe 7 is connected with a sampling tank 9, the sampling tank 9 is installed with a wind cover 10, the sampling tank 9 is connected with a water feeding pipe 11, the water feeding pipe 11 is communicated with the top side of the sampling tank 9, the water feeding pipe 11 is installed with a flushing valve 12, the water feeding pipe 11 is connected with a sampling pipe 13 between the liquid under pipe 2, the sampling pipe 13 is installed with a sampling valve 14.

[0022] In the embodiment, when the chemical sampling device is used, the reaction kettle 1 is normally operated to process the chemical product, when sampling is needed, the reflux valve 4 is closed, the feeding valve 5 is opened, the sampling valve 14 is opened, the recovery valve 8 is closed, and the diaphragm pump 6 is operated, the liquid under the liquid surface in the reaction kettle 1 is pumped into the liquid over pipe 2, because the reflux valve 4 is closed and the sampling valve 14 is opened, the liquid will enter the sampling tank 9 through the sampling pipe 13 and be stored, and the volatile gas of the chemical product in the sampling tank 9 can be removed to the processing area along the wind cover output end under the effect of the wind cover 10, so that the surrounding area of the sampling device is not affected;

[0023] After sampling is completed, the recovery valve 8 is opened, the sampling valve 14 is closed, and the reflux valve 4 is opened, under the pumping pressure of the diaphragm pump 8, the sample in the sampling tank 9 will also be discharged from the liquid over pipe 2 into the reaction kettle 1, so that the sample in the sampling tank 9 is discharged;

[0024] Further, after the reaction kettle 1 is operated, the recovery valve 8 is opened, the sampling valve 14 is closed, the reflux valve 4 is opened, the flushing valve 12 is opened, the water feeding pipe 11 starts to enter water, and the diaphragm pump 8 is operated to pump water into the liquid over pipe 2 and discharge into the reaction kettle 1 for cleaning, so that the reaction kettle 1 is cleaned.

[0025] Preferably, the sampling tank 9 is connected with a discharging pipe 15, and the discharging pipe 15 is installed with a discharging valve 16, so that when the sampling device is installed at a high position, the liquid in the sampling tank 9 can be guided to a suitable position through the cooperation of the discharging pipe 15 and the discharging valve 16 for sample acquisition, and in fact, the sample acquisition mode of the sampling tank 9 can also be considered according to specific conditions.

[0026] Preferably, the sampling valve 14 and the discharging valve 16 are both quantitative valves, so that the automatic quantitative acquisition of the sample is realized, and in fact, the selection of the sampling valve 14 and the discharging valve 16 can also be considered according to specific conditions.

[0027] Preferably, the wind cover 10 is a universal exhaust cover, so that the wind cover 10 is beneficial to movement, and further, the sampling tank 9 at different positions can be quickly adapted and used, and the inside of the sampling tank 9 can be manually maintained, and in fact, the selection of the wind cover 10 can also be considered according to specific conditions.

[0028] Preferably, the nominal diameters of the liquid upper pipe 2, the liquid lower pipe 3, the recovery pipe 7, the water feeding pipe 11 and the sampling pipe 13 are all fifteen millimeters. In this way, the diameters are large enough to prevent blockage. In practice, the nominal diameters of the liquid upper pipe 2, the liquid lower pipe 3, the recovery pipe 7, the water feeding pipe 11 and the sampling pipe 13 can be considered according to specific conditions.

[0029] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not intended to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical concept disclosed by the present application should be covered by the claims of the present application.

Claims

1. A chemical sampling device, comprising a reaction vessel (1) for chemical processing, characterized in that: The reactor (1) is equipped with an upper liquid pipe (2) and a lower liquid pipe (3). The upper liquid pipe (2) is equipped with a reflux valve (4), and the lower liquid pipe (3) is equipped with a feed valve (5). The lower liquid pipe (3) is connected to a diaphragm pump (6), and the output end of the diaphragm pump (6) is connected to the upper liquid pipe (2). The submerged tube (3) is connected to a recovery tube (7), the recovery tube (7) is equipped with a recovery valve (8), the recovery tube (7) is connected to a sampling tank (9), the sampling tank (9) is equipped with a hood (10), the sampling tank (9) is connected to a water supply tube (11), the water supply tube (11) is connected to the top side of the sampling tank (9), the water supply tube (11) is equipped with a flushing valve (12), the water supply tube (11) is connected to the submerged tube (2) by a sampling tube (13), and the sampling tube (13) is equipped with a sampling valve (14).

2. The chemical sampling device according to claim 1, characterized in that: The sampling tank (9) is connected to a discharge pipe (15), and the discharge pipe (15) is equipped with a discharge valve (16).

3. A chemical sampling device according to claim 2, characterized in that: Both the sampling valve (14) and the feeding valve (16) are quantitative valves.

4. A chemical sampling device according to claim 1, characterized in that: The hood (10) is a universal exhaust hood.

5. A chemical sampling device according to claim 1, characterized in that: The nominal diameter of the liquid-top pipe (2), the liquid-bottom pipe (3), the recovery pipe (7), the water delivery pipe (11), and the sampling pipe (13) is 15 mm.

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