Chemical material PH automatic detection device

Abstract

The utility model belongs to the field of PH detection devices, and particularly relates to a chemical material PH automatic detection device which comprises a reaction kettle, a first sampling pipe is arranged at the lower end of the reaction kettle, a peristaltic pump is arranged at one end of the first sampling pipe, a second sampling pipe is arranged on the peristaltic pump, and a liquid receiving tank is arranged at the upper end of the second sampling pipe. A PH tester is arranged on the liquid receiving tank. According to the utility model, the sampling pipe (the caliber is designed according to process requirements, the opening has special requirements, and whether heat tracing, nitrogen purging, washing and the like are needed is determined according to material characteristics) is arranged at the bottom of the reaction kettle, and meanwhile, the other end of the sampling pipe is connected to a pipeline of a catalyst or backing material inlet, so that the sampling pipe can be used for sampling under the permissible conditions. The sampling pipe can be inserted into the bottom of a material in the reaction kettle, samples are taken from the bottom of the reaction kettle, and the samples are conveyed into the liquid receiving tank to be in contact with the PH detector for detection, so that the detection of the interior of the reaction kettle is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of PH detection device, concretely to a chemical material PH automatic detection device. BACKGROUND

[0002] In the fine chemical production process, considering the manufacturing structure, material and the old pot type reaction of the old enterprise of the reaction kettle, and the reaction kettle with slurry type stirring participating in the whole reaction process, it is difficult to measure the PH of the reaction material in the kettle, such as the influence of stirring on the top installation of PH support, the short service life of PH glass gel electrode installed on the top, the large measurement error, and the lack of reserved installation hole on the kettle wall of the reaction kettle. Therefore, the prior art needs to be improved. SUMMARY

[0003] The utility model discloses a chemical material PH automatic detection device, solve the problem of inconvenient material PH detection.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a chemical material PH automatic detection device, including the reaction kettle, the lower extreme of reaction kettle is provided with the sampling tube no.

[0005] Preferably, the backflow pipe is provided with a check valve, which can prevent the material in the backflow pipe from flowing back.

[0006] Preferably, the sampling tube no. 1 is fixedly connected with the input port of the peristaltic pump, and the sampling tube no. 2 is fixedly connected with the output port of the peristaltic pump.

[0007] Preferably, the lower end of the output shaft of the stirring motor is fixedly connected with a stirring rod, and the stirring rod is rotatably connected with the reaction kettle.

[0008] Preferably, the lower end of the stirring rod is fixedly connected with stirring blades, and the stirring blades are located in the reaction kettle.

[0009] Preferably, the right end of the reaction kettle is provided with a liquid level meter, which can observe the liquid level in the reaction kettle.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows:

[0011] The utility model discloses a sampling pipe is installed on the bottom of the reation kettle (the caliber is designed according to the process requirement, and the opening has special requirement, and according to the material characteristic, confirms whether needing heat tracing, nitrogen purging and washing etc. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is whole structure schematic diagram of the utility model;

[0013] In the drawing: 1, reation kettle;2, sampling pipe one;3, peristaltic pump;4, sampling pipe two;5, liquid receiving tank;6, PH tester;7, reflux pipe;8, check valve;9, stirring motor;10, stirring rod;11, stirring blade;12, liquid level meter. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings of the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0015] Please refer to Figure 1 A chemical material PH automatic detection device, including reation kettle 1, the lower end of reation kettle 1 is provided with sampling pipe one 2, and one end of sampling pipe one 2 is provided with peristaltic pump 3, and peristaltic pump 3 is provided with sampling pipe two 4, and the upper end of sampling pipe two 4 is provided with liquid receiving tank 5, and liquid receiving tank 5 is provided with PH tester 6, and the right end of liquid receiving tank 5 is provided with reflux pipe 7, and the upper end of reation kettle 1 is provided with stirring motor 9, and reflux pipe 7 is provided with check valve 8, and check valve 8 can avoid the material backflow in the inside of reflux pipe 7.

[0016] Please refer to Figure 1 Sampling pipe one 2 and the input port of peristaltic pump 3 are fixedly connected, sampling pipe two 4 and the output port of peristaltic pump 3 are fixedly connected, sampling pipe one 2 can sample from the inside of reation kettle 1, and the lower end of the output shaft of stirring motor 9 is fixedly connected with stirring rod 10, and stirring rod 10 is rotatably connected with reation kettle 1, and stirring rod 10 can drive stirring blade 11 to rotate.

[0017] Please refer to Figure 1The lower end of the stirring rod 10 is fixedly connected with stirring blades 11, the stirring blades 11 are located in the inside of the reaction kettle 1, the stirring blades 11 can mix the materials in the inside of the reaction kettle 1, and the right end of the reaction kettle 1 is provided with a liquid level meter 12, the liquid level meter 12 can observe the liquid level in the inside of the reaction kettle 1.

[0018] The specific implementation process of the utility model is as follows: in use, the stirring motor 9 is started, the stirring motor 9 drives the stirring blades 11 to rotate through the stirring rod 10, the stirring blades 11 can mix the materials in the inside of the reaction kettle 1 in the process of rotating, after mixing to a certain degree, the peristaltic pump 3 is started, the peristaltic pump 3 samples from the inside of the reaction kettle 1 through the sampling pipe one 2, the sampled materials enter the inside of the sampling pipe two 4 through the peristaltic pump 3, and the materials are sent into the inside of the liquid receiving tank 5 through the sampling pipe two 4, when the inside of the liquid receiving tank 5 is full, the liquid receiving tank 5 can be contacted with the PH tester 6, and the PH value is tested.

[0019] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A chemical material PH automatic detection device, comprising a reaction kettle (1), characterized in that: The lower end of the reaction kettle (1) is provided with a sampling pipe one (2), one end of the sampling pipe one (2) is provided with a peristaltic pump (3), the peristaltic pump (3) is provided with a sampling pipe two (4), the upper end of the sampling pipe two (4) is provided with a liquid receiving tank (5), the liquid receiving tank (5) is provided with a PH tester (6), the right end of the liquid receiving tank (5) is provided with a reflux pipe (7), the upper end of the reaction kettle (1) is provided with a stirring motor (9).

2. The automatic chemical material PH detection device according to claim 1, characterized in that: The reflux pipe (7) is provided with a check valve (8).

3. The chemical material PH automatic detection device according to claim 1, characterized in that: The sampling pipe one (2) is fixedly connected with the input port of the peristaltic pump (3), and the sampling pipe two (4) is fixedly connected with the output port of the peristaltic pump (3).

4. The automatic chemical material PH detection device according to claim 1, characterized in that: The lower end of the output shaft of the stirring motor (9) is fixedly connected with a stirring rod (10), and the stirring rod (10) is rotatably connected with the reaction kettle (1).

5. The chemical material PH automatic detection device according to claim 4, characterized in that: The lower end of the stirring rod (10) is fixedly connected with a stirring blade (11), and the stirring blade (11) is located in the reaction kettle (1). 6.The chemical material PH automatic detection device according to claim 1, wherein: The right end of the reaction kettle (1) is provided with a liquid level meter (12).

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