CN218381831U - Sampler - Google Patents

Abstract

The utility model discloses a sampler belongs to sampler technical field. A sampler, comprising: a reaction kettle; wherein the reaction kettle is fixedly connected with a connecting pipe; the sampling cover is connected to the connecting pipe; the pneumatic diaphragm pump is fixedly connected in the sampling cover; the liquid inlet end of the pneumatic diaphragm pump is communicated with the connecting pipe through a liquid inlet pipe; the three-way valve is fixedly connected in the sampling cover and connected to the liquid inlet pipe; wherein the three-way valve is connected with an external interface; the viewing cylinder is fixedly connected in the sampling cover and communicated with the liquid outlet end of the pneumatic diaphragm pump; wherein, the viewing cylinder is communicated with the connecting pipe through a return pipe, and a sampling part is arranged on the viewing cylinder; the utility model discloses a pneumatic diaphragm pump that sets up can be at the in-process of reation kettle internal reaction, extracts reaction liquid, takes a sample, observes and this moment to reaction liquid, and the while is wasing the completion back, is convenient for wash, sweeps the sampler, has improved sampling efficiency and has cleaned the effect.

Description

Sampler

Technical Field

The utility model relates to a sampler technical field especially relates to a sampler.

Background

The reaction kettle is a common chemical synthesis device, and is often required to sample from the reaction kettle for many times in the synthesis reaction process and after the reaction is finished, so as to detect the reaction progress condition in the reaction kettle or the quality index condition of the product after the reaction is finished.

Present when taking a sample to reation kettle, take a sample through external sampler more, but accomplish the back at the sample, can remain reaction liquid in the sampler, influence the total amount of reaction in the reation kettle, and be not convenient for wash the sampler, easily remain the washing liquid in the sampler, influence subsequent sample.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having now in the sample after accomplishing, can remain reaction liquid in the sampler, influence the total amount of reaction in the reation kettle, and be not convenient for wash the sampler, easily remain the washing liquid in the sampler, influence the problem of subsequent sample, and the sampler that provides.

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

a sampler, comprising: a reaction kettle; wherein the reaction kettle is fixedly connected with a connecting pipe; the sampling cover is connected to the connecting pipe; the pneumatic diaphragm pump is fixedly connected in the sampling cover; the liquid inlet end of the pneumatic diaphragm pump is communicated with the connecting pipe through a liquid inlet pipe; the three-way valve is fixedly connected in the sampling cover and connected to the liquid inlet pipe; wherein the three-way valve is connected with an external interface; the viewing cylinder is fixedly connected in the sampling cover and communicated with the liquid outlet end of the pneumatic diaphragm pump; wherein, look a section of thick bamboo and connecting pipe and communicate through the back flow, be equipped with sample portion on looking the section of thick bamboo.

In order to facilitate sampling of the extracted liquid, preferably, the sampling part includes: the sampling port is connected to the lower end of the viewing cylinder; wherein the sampling port is connected with a storage bottle; and the sampling valve is connected to the sampling port.

In order to facilitate the detachment of the upper end of the viewing cylinder, the sampling part preferably further comprises a screw cap connected to the viewing cylinder.

In order to facilitate the sealing connection between the sampling cover and the reaction kettle, preferably, the lower end of the sampling cover is fixedly connected with a sealing blind plate, and the sealing blind plate is connected with a connecting pipe.

Preferably, the sampling hood is a stainless steel hood.

Preferably, the external interface is communicated with a cleaning tank for storing cleaning agents.

Compared with the prior art, the utility model provides a sampler possesses following beneficial effect:

the device does not relate to the part among all the same with prior art or can adopt prior art to realize, the utility model discloses a pneumatic diaphragm pump that sets up can extract reaction liquid at the in-process of reation kettle internal reaction, takes a sample, observes reaction liquid and this moment, and the back is accomplished in the washing simultaneously, is convenient for wash, sweeps the sampler, has improved sampling efficiency and has cleaned the effect.

Drawings

Fig. 1 is a schematic structural diagram of a sampler according to the present invention;

fig. 2 is a schematic view of a partial structure of a sampler according to the present invention;

fig. 3 is a schematic structural diagram of a portion M in fig. 2 of a sampler according to the present invention.

In the figure: 1. a reaction kettle; 101. a connecting pipe; 2. a sampling hood; 3. a pneumatic diaphragm pump; 4. a three-way valve; 5. an external interface; 6. a liquid inlet pipe; 7. a return pipe; 8. a viewing cylinder; 9. a sampling valve; 10. a sampling port; 11. screwing a cover; 12. and sealing the blind plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, a sampler includes:

a reaction kettle 1; wherein, the reaction kettle 1 is fixedly connected with a connecting pipe 101, and the lower end of the connecting pipe 101 extends into the reaction kettle 1;

the cylindrical sampling cover 2 connected to the connecting pipe 101 enables the whole sampler to be neat and attractive in appearance, and the sampling cover 2 is a stainless steel cover and can also be carbon steel spray-molded;

a pneumatic diaphragm pump 3 fixedly connected in the sampling cover 2; wherein, the liquid inlet end of the pneumatic diaphragm pump 3 is communicated with the connecting pipe 101 through the liquid inlet pipe 6, and the pneumatic diaphragm pump 3 is used as a power source for extracting liquid materials by the whole sampler;

a three-way valve 4 made of PFA material is fixedly connected in the sampling cover 2 and connected on a liquid inlet pipe 6; the three-way valve 4 is connected with an external port 5, the external port 5 is communicated with a cleaning tank for storing a cleaning agent, specifically, the cleaning agent is cleaning gas or liquid, such as nitrogen, specifically, the three-way valve 4 is provided with three pipeline ports, referring to fig. 2, the three pipeline ports are respectively an A port, a B port and a C port, and the liquid in the reaction kettle 1 or the gas in the cleaning tank can be extracted by connecting different pipeline ports;

the glass viewing cylinder 8 is fixedly connected in the sampling cover 2 and is arranged in a transparent manner, one part of the glass viewing cylinder 8 is positioned outside the stainless steel sampling cover 2, so that the pumping condition of the liquid and the specific color and character of the liquid can be conveniently observed, and the glass viewing cylinder 8 is communicated with the liquid outlet end of the pneumatic diaphragm pump 3; wherein, look a section of thick bamboo 8 and connecting pipe 101 and pass through back flow 7 and communicate with each other, specifically, glass looks a material of section of thick bamboo 8 and is organic glass, prevents to be bumped the bits of broken glass in the use.

Look and be equipped with sample portion on section of thick bamboo 8, sample portion includes: a sampling port 10 connected to the lower end of the viewing cylinder 8; wherein, the sampling port 10 is connected with a storage bottle; the sampling valve 9 connected to the sampling port 10 allows the reaction solution to be sampled into the storage bottle through the sampling port 10 by opening the sampling valve 9.

The sampling part also comprises a screw cap 11 connected to the viewing cylinder 8, and the PH viewing electrode can be installed in the viewing cylinder 8 by unscrewing the screw cap 11.

The sealed blind plate 12 of lower extreme fixedly connected with of sample hood 2, sealed blind plate 12 links to each other with connecting pipe 101, and sealed blind plate 12 is PTFE or PEA material, and back flow 7, feed liquor pipe 6 run through sealed blind plate 12, and adopt the sealed packing of back taper to seal at the junction of back flow 7, feed liquor pipe 6 to compress tightly through the threaded connection clamping ring, guarantee the leakproofness of junction.

When using this device, take a sample to the liquid in reation kettle 1 earlier:

checking and enabling each valve to be in a correct position, and communicating the port A and the port C on the three-way valve 4 at the moment;

starting the pneumatic diaphragm pump 3, and extracting the liquid in the reaction kettle 1, so that the liquid forms backflow in the liquid inlet pipe 6, the pneumatic diaphragm pump 3, the sight glass 8 and the backflow pipe 7;

the pneumatic diaphragm pump 3 keeps pumping materials at a constant speed by listening to the sound of the pneumatic diaphragm pump 3, the condition of liquid materials is observed through the vision cylinder 8, and the circulation is carried out for 2 minutes, so that all the liquid in the liquid inlet pipe 6, the pneumatic diaphragm pump 3, the vision cylinder 8 and the return pipe 7 can be replaced;

at the moment, the liquid in the reaction kettle 1 is sampled by rotating the sampling valve 9 and placing the storage bottle at the lower end of the sampling port 10;

at this time, the reaction solution was tested for PH:

firstly opening the rotary cover 11 on the viewing cylinder 8, then installing a PH test electrode, then screwing the rotary cover 11, and opening the pneumatic diaphragm pump 3 at the moment to test the PH in the reaction liquid;

and taking out the PH test electrode after the reaction and the detection are finished, and purging and cleaning can be carried out at the moment:

firstly, the port A and the port B of the three-way valve 4 are communicated, so that liquid in the nitrogen purging pneumatic diaphragm pump 3 can be purged into the reaction kettle 1;

then the port C of the three-way valve 4 is communicated with the port B, and liquid in the nitrogen purging liquid inlet pipe 6 can be purged into the reaction kettle 1;

at the moment, the port A and the port B of the three-way valve 4 are communicated, and external cleaning agents are extracted through the external port 5, so that the sampler can be cleaned;

the opening A of the three-way valve 4 is repeatedly communicated with the opening B, and the opening C of the three-way valve 4 is communicated with the opening B, so that the cleaned solvent can be completely blown;

the utility model discloses a pneumatic diaphragm pump 3 that sets up can be at the in-process of reation kettle 1 internal reaction, extracts the reaction liquid, takes a sample, observes and this moment to the reaction liquid, is convenient for wash, sweeps the sampler simultaneously after wasing the completion, and the sampler is inside to have no reaction liquid to remain, has improved sampling efficiency and has cleaned the effect.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (6)

1. A sampler, comprising: a reaction kettle (1); wherein the reaction kettle (1) is fixedly connected with a connecting pipe (101); a sampling cover (2) connected to the connecting pipe (101); the pneumatic diaphragm pump (3) is fixedly connected in the sampling cover (2); the liquid inlet end of the pneumatic diaphragm pump (3) is communicated with the connecting pipe (101) through a liquid inlet pipe (6); the three-way valve (4) is fixedly connected in the sampling cover (2) and is connected to the liquid inlet pipe (6); wherein the three-way valve (4) is connected with an external interface (5); the viewing cylinder (8) is fixedly connected in the sampling cover (2) and is communicated with the liquid outlet end of the pneumatic diaphragm pump (3); the viewing cylinder (8) is communicated with the connecting pipe (101) through a return pipe (7), and a sampling part is arranged on the viewing cylinder (8).

2. The sampler according to claim 1, characterized in that the sampling portion comprises: a sampling port (10) connected to the lower end of the viewing cylinder (8); wherein the sampling port (10) is connected with a storage bottle; a sampling valve (9) connected to the sampling port (10).

3. A sampler according to claim 2 in which the sampling portion further comprises a screw cap (11) attached to the viewing cylinder (8).

4. The sampler according to claim 1, characterized in that a sealing blind plate (12) is fixedly connected to the lower end of the sampling cover (2), and the sealing blind plate (12) is connected with the connecting pipe (101).

5. A sampler according to claim 1, characterized in that the sampling hood (2) is a stainless steel hood.

6. Sampler according to claim 1, characterized in that the external port (5) is connected to a washing tank for storing washing agent.

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