CN210071415U

CN210071415U - Online accurate sampling device

Info

Publication number: CN210071415U
Application number: CN201920878884.9U
Authority: CN
Inventors: 赖家凤; 郭政; 魏玉伟
Original assignee: Beibu Gulf University
Current assignee: Beibu Gulf University
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-02-14
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses an online accurate sampling device relates to chemical engineering technical field, and it includes reation kettle, reation kettle's upper surface is pegged graft and is had the pipe, the front of pipe is provided with first needle type valve, the right flank of pipe communicates with the left end of collecting liquid device. This online accurate sampling device, through setting up reation kettle, the pipe, first needle type valve, the second needle type valve, the third needle type valve, the fourth needle type valve, the glass pipe, the body, vacuum suction pipe and nitrogen charging pipe, sample in the reation kettle is absorb through the vacuum suction pipe, the sample enters into the glass pipe, and the body rises to highest position after, close first needle type valve and third needle type valve, open second needle type valve and fourth needle type valve, nitrogen gas fills back in the nitrogen charging pipe, sample in the nitrogen gas extrusion glass pipe, make the sample effectual pass through the collector tube and enter into the sampling bottle, not only can sample on line, and the sample volume can obtain accurate control according to required volume.

Description

Online accurate sampling device

Technical Field

The utility model relates to a chemical engineering technical field specifically is an online accurate sampling device.

Background

In chemical production or lab scale experiment, traditional sampling device is when using vacuum sampling, and liquid rising speed is very fast to lead to the sampling control difficulty, cause the sample result inaccurate easily, very inconvenient when whole sampling device washs moreover.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an online accurate sampling device has solved traditional sampling device when using vacuum sampling, and liquid rising speed is very fast to lead to the sampling control difficulty, cause the sampling result inaccurate easily, very inconvenient problem when whole sampling device washs moreover.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the technical proposal that: the utility model provides an online accurate sampling device, includes reation kettle, reation kettle's upper surface is pegged graft there is the pipe, the front of pipe is provided with first needle type valve, the right flank of pipe communicates with the left end of album liquid device, album liquid device is pegged graft in the sampling bottle.

The top end of the guide pipe is communicated with the lower surface of the glass pipe, the upper surface of the glass pipe is communicated with the bottom end of the vacuum suction device, and the right side surface of the vacuum suction device is communicated with the left end of the nitrogen extrusion device.

Preferably, the outer surface of the sampling bottle is provided with a scale needle, and a floating body is arranged in the glass tube.

Preferably, the liquid collecting device comprises a liquid collecting pipe, the left end of the liquid collecting pipe is communicated with the right side face of the guide pipe, a second needle valve is arranged on the front face of the liquid collecting pipe, and the liquid collecting pipe is inserted into the sampling bottle.

Preferably, the vacuum suction device comprises a vacuum suction pipe, a third needle valve is arranged on the front face of the vacuum suction pipe, the bottom end of the vacuum suction pipe is communicated with the upper surface of the glass pipe, and the right side face of the vacuum suction pipe is communicated with the left end of the nitrogen extrusion device.

Preferably, the nitrogen extrusion device comprises a nitrogen filling pipe, a fourth needle valve is arranged on the front face of the nitrogen filling pipe, and the left end of the nitrogen filling pipe is communicated with the right side face of the vacuum suction pipe.

(III) advantageous effects

The beneficial effects of the utility model reside in that:

1. this online accurate sampling device, through setting up reation kettle, the pipe, first needle type valve, the second needle type valve, the third needle type valve, the fourth needle type valve, the glass pipe, the body, vacuum suction pipe and nitrogen charging pipe, when needs take a sample, the staff at first closes second needle type valve and fourth needle type valve, open first needle type valve and third needle type valve, sample in the reation kettle is drawn through the vacuum suction pipe, the sample enters into the glass pipe, and the body rises to highest position after, close first needle type valve and third needle type valve, open second needle type valve and fourth needle type valve, nitrogen gas fills back in the nitrogen charging pipe, the sample in the nitrogen gas extrusion glass pipe, make the sample effectual collecting tube that passes through enter into the sampling bottle, not only can take a sample on line, and the sample volume can obtain accurate control according to required volume.

2. This online accurate sampling device, through setting up reation kettle, first needle type valve, second needle type valve, fourth needle type valve, fill nitrogen pipe and pipe, after the staff accomplishes the sample work, close second needle type valve, and open first needle type valve, open the flow control of fourth needle type valve to the biggest, nitrogen gas fills into and fills nitrogen pipe back, can effectually sweep reation kettle with unnecessary sample in, the sample can not pile up in each pipeline, can not cause the waste to the chemical industry product, and nitrogen gas sweeps and can effectively prevent whole sampling device to block up, the convenience is cleared up whole sampling device.

3. This online accurate sampling device, through setting up the glass pipe, the body, the sampling bottle, scale needle and reation kettle, after the sample in the vacuum suction pipe absorption reation kettle, the sample enters into the glass pipe, and the body rises to highest position, and the body can plug up the vacuum suction pipe, avoid the sample to get into in the vacuum suction pipe, certain guard action has been played vacuum suction system, be provided with the scale needle because of the surface of sampling bottle, make things convenient for the staff to observe the volume of sample, and more effectual sample work that carries on.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a front view of the present invention.

In the figure: 1 reaction kettle, 2 guide pipes, 3 first needle type valves, 4 liquid collecting devices, 41 liquid collecting pipes, 42 second needle type valves, 5 sampling bottles, 6 glass pipes, 7 vacuum suction devices, 71 vacuum suction pipes, 72 third needle type valves, 8 nitrogen extrusion devices, 81 nitrogen charging pipes, 82 fourth needle type valves, 9 scale needles and 10 floats.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 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. 1-2, the utility model provides a technical solution: the utility model provides an online accurate sampling device, including reation kettle 1, reation kettle 1's upper surface is pegged graft and is had pipe 2, pipe 2's front is provided with first needle type valve 3, pipe 2's right flank and the left end of collecting device 4 communicate, collecting device 4 includes collector tube 41, the left end of collector tube 41 is linked together with pipe 2's right flank, collector tube 41's front is provided with second needle type valve 42, collector tube 41 pegs graft in sampling bottle 5, surface because of sampling bottle 5 is provided with scale needle 9, make things convenient for the staff to observe the volume of sample, and more effectual sample work of carrying out, collector device 4 pegs graft in sampling bottle 5, the surface of sampling bottle 5 is provided with scale needle 9, be provided with body 10 in the glass intraductal.

The top end of the conduit 2 is communicated with the lower surface of the glass tube 6, after nitrogen is filled into the nitrogen filling tube 81 through the arrangement of the fourth needle valve 82, redundant samples can be effectively blown into the reaction kettle 1, the samples cannot be accumulated in each pipeline, no waste can be caused to chemical products, the nitrogen blowing can effectively prevent the whole sampling device from being blocked, the whole sampling device is convenient to clean, the nitrogen extrusion device 8 comprises the nitrogen filling tube 81, the fourth needle valve 82 is arranged on the front surface of the nitrogen filling tube 81, the left end of the nitrogen filling tube 81 is communicated with the right side surface of the vacuum suction tube 71, the samples enter the glass tube 6 through the arrangement of the nitrogen filling tube 81, after the floating body 10 rises to the highest position, the first needle valve 3 and the third needle valve 72 are closed, the second needle valve 42 and the fourth needle valve 82 are opened, after the nitrogen is filled into the nitrogen filling tube 81, the nitrogen extrudes the samples in the glass tube 6, so that the sample can effectively enter the sampling bottle 5 through the liquid collecting pipe 41, the online sampling can be realized, and the sampling volume can be accurately controlled according to the required amount, the upper surface of the glass tube 6 is communicated with the bottom end of the vacuum suction device 7, the vacuum suction device 7 comprises a vacuum suction tube 71, the front surface of the vacuum suction tube 71 is provided with a third needle valve 72, the bottom end of the vacuum suction tube 71 is communicated with the upper surface of the glass tube 6, the right side surface of the vacuum suction tube 71 is communicated with the left end of the nitrogen extrusion device 8, by arranging the floating body 10, after the vacuum suction pipe 71 sucks the sample in the reaction kettle 1, the sample enters the glass tube 6, and the floating body 10 rises to the highest position, and the floating body 10 blocks the vacuum suction pipe 71, so as to prevent the sample from entering the vacuum suction pipe 71, plays a certain protection role to the vacuum suction system, and the right side surface of the vacuum suction device 7 is communicated with the left end of the nitrogen extrusion device 8.

The utility model discloses an operating procedure does:

s1, when sampling is needed, firstly, closing the second needle valve 42 and the fourth needle valve 82 by a worker, opening the first needle valve 3 and the third needle valve 72, and sucking the sample in the reaction kettle 1 through the vacuum suction pipe 71;

s2, when the sample enters the glass tube 6 and the floating body 10 rises to the highest position, closing the first needle valve 3 and the third needle valve 72, opening the second needle valve 42 and the fourth needle valve 82, and after the nitrogen gas is filled into the nitrogen filling tube 81, the nitrogen gas extrudes the sample in the glass tube 6, so that the sample effectively enters the sampling bottle 5 through the liquid collecting tube 41;

s3, when the sampling work of the staff is completed, the second needle valve 42 is closed, the first needle valve 3 is opened, the flow of the fourth needle valve 82 is controlled to be maximum, and after the nitrogen gas is filled into the nitrogen filling pipe 81, redundant samples can be effectively blown into the reaction kettle 1.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an online accurate sampling device, includes reation kettle (1), its characterized in that: a guide pipe (2) is inserted into the upper surface of the reaction kettle (1), a first needle valve (3) is arranged on the front surface of the guide pipe (2), the right side surface of the guide pipe (2) is communicated with the left end of a liquid collecting device (4), and the liquid collecting device (4) is inserted into a sampling bottle (5);

the top end of the guide pipe (2) is communicated with the lower surface of the glass pipe (6), the upper surface of the glass pipe (6) is communicated with the bottom end of the vacuum suction device (7), and the right side surface of the vacuum suction device (7) is communicated with the left end of the nitrogen extrusion device (8).

2. An on-line accurate sampling device according to claim 1, wherein: the outer surface of the sampling bottle (5) is provided with a graduated needle (9), and a floating body (10) is arranged in the glass tube (6).

3. An on-line accurate sampling device according to claim 1, wherein: the liquid collecting device (4) comprises a liquid collecting pipe (41), the left end of the liquid collecting pipe (41) is communicated with the right side face of the guide pipe (2), a second needle valve (42) is arranged on the front face of the liquid collecting pipe (41), and the liquid collecting pipe (41) is inserted into the sampling bottle (5).

4. An on-line accurate sampling device according to claim 1, wherein: vacuum suction means (7) include vacuum suction pipe (71), the front of vacuum suction pipe (71) is provided with third needle type valve (72), the bottom and the upper surface of glass pipe (6) of vacuum suction pipe (71) are linked together, the right flank of vacuum suction pipe (71) communicates with the left end of nitrogen gas extrusion device (8).

5. An on-line accurate sampling device according to claim 4, wherein: the nitrogen extrusion device (8) comprises a nitrogen filling pipe (81), a fourth needle valve (82) is arranged on the front face of the nitrogen filling pipe (81), and the left end of the nitrogen filling pipe (81) is communicated with the right side face of the vacuum suction pipe (71).