CN213301777U

CN213301777U - Automatic vacuum sampling device

Info

Publication number: CN213301777U
Application number: CN202022131374.0U
Authority: CN
Inventors: 苏弟军; 刘杰; 周华平; 聂春平; 刘奕洁; 兰柳琴
Original assignee: Zhuhai Rundu Pharmaceutical Co Ltd
Current assignee: Zhuhai Rundu Pharmaceutical Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-05-28
Anticipated expiration: 2030-09-27

Abstract

The invention relates to an automatic vacuum sampling device, which comprises a first sampling pipe, a sampling valve, a buffer tank, a second sampling pipe, a vacuum pipe and an emptying pipe, wherein one end of the first sampling pipe is connected with a reaction tank, the other end of the first sampling pipe is connected with an inlet at the bottom of the buffer tank, the sampling valve is arranged on the first sampling pipe, one end of the second sampling pipe is connected with an outlet at the top of the buffer tank, and the other end of the second sampling pipe is connected with the vacuum pipe and the emptying pipe in a tee joint mode.

Description

Automatic vacuum sampling device

Technical Field

The utility model relates to a chemical industry apparatus technical field, concretely relates to automatic vacuum sampling device.

Background

At present, in chemical industry and pharmaceutical industry, the retort is used for production, the retort of general production is great, in reaction process, need carry out the sample detection to the material in the retort, and traditional sampling method is, and operating personnel opens the reation kettle top cap, draws a small amount of liquid in stretching into the cauldron with the container and supplies the inspection to use. When the reaction kettle is opened, potential safety hazards are left, such as: the sampling tool is easy to fall into the kettle to cause equipment damage or material pollution, volatile toxic and harmful gas in the reaction tank causes harm to personnel, and the toxic and harmful gas causes pollution to the environment. Various sampling devices appearing in recent years are not only large in size and high in manufacturing cost, but also are not beneficial to maintenance work, and are cumbersome to operate and inconvenient for operators to use on site.

Disclosure of Invention

For overcoming the aforesaid and inconvenient in the sample of big retort, sampling device is bulky, and high in manufacturing cost is unfavorable for maintaining, and poisonous and harmful gas causes the injury to operating personnel, the problem of complex operation of taking a sample, the utility model provides an automatic vacuum sampling device, this automatic vacuum sampling device easy operation need not open the reation kettle top cap and can take a sample, reduces poisonous and harmful gas to personnel's injury and to the pollution of environment, and sampling device is to the pollution of material in the reduction production process.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides an automatic vacuum sampling device, automatic vacuum sampling device includes first sampling tube, sample valve, buffer tank, second sampling tube, vacuum tube and evacuation pipe, the one end and the retort of first sampling tube are connected, the other end and the buffer tank bottom entry linkage of first sampling tube, the sample valve sets up on first sampling tube, the one end and the exit linkage at buffer tank top of second sampling tube, the other end and vacuum tube, the evacuation pipe tee junction of second sampling tube.

Further, be provided with the pH flow cell on the first sampling tube that the sample valve is close to retort one end, be provided with the pH inductor on the pH flow cell.

Furthermore, a first valve is arranged at one end of the first sampling pipe close to the reaction tank, and the first valve is any one of a manual valve and a pneumatic valve.

Furthermore, one end of the sampling valve close to the buffer tank is provided with a second valve, and the second valve is any one of a manual valve and a pneumatic valve.

Furthermore, one end of the second valve close to the buffer tank is provided with a sight glass.

Furthermore, a liquid level meter is arranged on the buffer tank.

Further, the bottom and the top of the buffer tank are respectively provided with a flange.

Furthermore, a third valve is arranged on the vacuum pipe, and a fourth valve is arranged on the emptying pipe.

Further, the material of the first sampling tube, the buffer tank, the second sampling tube, the vacuum tube and the emptying tube is selected from any one of 304 stainless steel, 314 stainless steel and 316 stainless steel.

Further, the material of the pH flow cell is any one of polypropylene, polytetrafluoroethylene or plastics. .

The utility model discloses a characteristics mainly appear:

this automatic vacuum sampling device easy operation need not open the reation kettle top cap and can take a sample, reduces the harm of poisonous and harmful gas to personnel and the pollution to the environment, and sampling device is to the pollution of material in the reduction production process, simultaneously can real-time on-line monitoring material pH value.

Drawings

FIG. 1 is a schematic structural view of an automatic vacuum sampling device of the present invention

Wherein the reference numbers are as follows: 1-a first sampling tube, 11-a first valve, 12-a second valve, 13-a sight glass, 2-a sampling valve, 3-a buffer tank, 31-a buffer tank inlet, 32-a buffer tank outlet, 33-a liquid level meter, 34-a flange, 4-a second sampling tube, 5-a vacuum tube, 51-a third valve, 6-an emptying tube, 61-a fourth valve, 7-a pH flow cell, 71-a pH sensor.

Detailed Description

The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the structural schematic diagram of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, an automatic vacuum sampling device, the automatic vacuum sampling device includes first sampling tube 1, sampling valve 2, buffer tank 3, second sampling tube 4, vacuum tube 5 and evacuation pipe 6, the one end of first sampling tube 1 is connected with the retort, can directly carry out the extraction sample with the liquid in the retort through first sampling tube 1, the other end of first sampling tube 1 is connected with 3 bottom entry 31 of buffer tank, and buffer tank 3 can temporarily store the sample, increases the sample degree of consistency, sampling valve 2 sets up on first sampling tube 1, and the accessible is opened sampling valve 2 and is taken a sample, the one end of second sampling tube 4 is connected with the export 32 at buffer tank 3 top, the other end of second sampling tube 4 and vacuum tube 5, evacuation pipe 6 three-way connection.

The utility model discloses a buffer tank, including sample valve 2, first sampling pipe, first valve 12, second valve 12, be provided with sight glass 13, be provided with pH flow cell 7 on the first sampling pipe that sample valve 2 is close to retort one end, be provided with first valve 11 on the first sampling pipe that sample valve 2 is close to retort one end, first valve 11 is any kind in manual valve or the pneumatic valve on the pH flow cell 7, can detect the pH value of liquid, the one end that first sampling pipe 1 is close to retort is provided with first valve 11, first valve 11 is any kind in manual valve or the pneumatic valve, the one end that sample valve 2 is close to buffer tank 3 is provided with second valve 12, any kind in second valve 12 is manual valve or the pneumatic valve, the one end that second valve 12 is close to buffer tank 3 is provided with sight glass 13, can observe the solution in the first sampling pipe 1 through sight glass 13, be provided with level gauge 33 on the buffer tank 3, can be through the, the convenient washing, be provided with third valve 51 on the vacuum tube 5, be provided with fourth valve 61 on the evacuation pipe 6, the material of first sampling tube 1, buffer tank 3, second sampling tube 4, vacuum tube 5 and evacuation pipe 6 is selected from any one of 304 stainless steel, 314 stainless steel or 316 stainless steel, can prevent corrosion, the material of pH flow-through cell 7 is any one of polypropylene, polytetrafluoroethylene or plastics, can prevent corrosion.

The specific operation process is as follows: one end of a first sampling tube 1 is connected with a reaction tank, one end of a vacuum tube 5 is connected with a vacuum source, a fourth valve 61 is closed, a first valve 11 is opened, a second valve 12 is opened, a vacuum power supply is opened, liquid in the reaction tank enters a buffer tank through the first sampling tube 1, when the liquid in the buffer tank reaches the position of a liquid level meter, the first valve 11 is closed, the second valve 12 and the third valve 51 are closed, the liquid is temporarily stored in the buffer tank 3, a sampling valve 2 is opened, the liquid is sampled, meanwhile, the pH value of the liquid can be read through a pH sensor 71, after the sampling is completed, the first valve 11, the second valve 12 and the fourth valve 61 are opened, and the liquid in the buffer tank 3 flows back to the reaction tank under the action of gravity, so that the sampling process is completed.

When first valve and second valve are the pneumatic valve, the pneumatic valve can pass through the inductor on the level gauge, self-closing valve to realize automatic opening and closing valve, realize automatic sampling.

After the sample is accomplished, when needing to wash whole automatic vacuum sampling device, can open flange 34, take off buffer tank 3 and wash, dismantle simply, wash whole automatic vacuum sampling device easily.

To sum up, the utility model discloses automatic vacuum sampling device easy operation need not open the reation kettle top cap and can take a sample, reduces poisonous and harmful gas to personnel's injury and to the pollution of environment, and sampling device is to the pollution of material in the reduction production process, simultaneously can real-time on-line monitoring material pH value.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and it is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the present invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides an automatic vacuum sampling device, its characterized in that, automatic vacuum sampling device includes first sampling tube (1), sample valve (2), buffer tank (3), second sampling tube (4), vacuum tube (5) and evacuation pipe (6), the one end and the retort of first sampling tube (1) are connected, the other end and buffer tank (3) bottom entry (31) of first sampling tube (1) are connected, sample valve (2) set up on first sampling tube (1), the one end and the export (32) at buffer tank (3) top of second sampling tube (4) are connected, the other end and vacuum tube (5), evacuation pipe (6) three-way connection of second sampling tube (4).

2. The automatic vacuum sampling device according to claim 1, characterized in that a pH flow cell (7) is arranged on the first sampling tube of the sampling valve (2) near one end of the reaction tank, and a pH sensor (71) is arranged on the pH flow cell (7).

3. The automatic vacuum sampling device according to claim 2, wherein a first valve (11) is provided on an end of the first sampling tube (1) adjacent to the reaction tank, the first valve (11) being either a manual valve or a pneumatic valve.

4. An automatic vacuum sampling device according to claim 3, characterized in that the end of the sampling valve (2) close to the buffer tank (3) is provided with a second valve (12), the second valve (12) being either a manual valve or a pneumatic valve.

5. The automatic vacuum sampling device according to claim 4, characterized in that the second valve (12) is provided with a sight glass (13) near one end of the buffer tank (3).

6. The automatic vacuum sampling device according to claim 5, characterized in that a level gauge (33) is provided on the buffer tank (3).

7. The automatic vacuum sampling device according to claim 6, characterized in that the bottom and the top of the buffer tank (3) are provided with flanges (34), respectively.

8. The automatic vacuum sampling device according to claim 7, characterized in that a third valve (51) is arranged on the vacuum tube (5) and a fourth valve (61) is arranged on the evacuation tube (6).

9. The automatic vacuum sampling device according to any one of claims 1 to 8, wherein the material of the first sampling tube (1), the buffer tank (3), the second sampling tube (4), the vacuum tube (5) and the evacuation tube (6) is selected from any one of 304 stainless steel, 314 stainless steel or 316 stainless steel.

10. The automatic vacuum sampling device of claim 2, wherein the pH flow cell (7) is made of any one of polypropylene, polytetrafluoroethylene or plastic.