CN218937866U - Sampler capable of continuously sampling - Google Patents

Abstract

The utility model discloses a sampler capable of continuously sampling, which belongs to the technical field of sampling equipment and comprises a sampling tube, a return tube, a sampling device, a pump body and a return branch; one end of the sampling tube is connected with the feeding end of the pump body; one end of the return pipe is connected with the discharge end of the sampling device; the discharge end of the pump body is connected with the feed end of the sampling device; two ends of the reflux branch are respectively connected with a feeding end and a discharging end of the sampling device; the device has simple integral structure, low cost and convenient operation; through the cooperation of the sampling tube, the return tube, the sampling device, the pump body and the return branch, the sampler forms a loop capable of continuously sampling, and can realize the effect of circulating return when not sampling, thereby ensuring that materials with uniform components can be immediately obtained when sampling is needed; the problem that an existing sampling device needs to open a container to sample, and a sampled product cannot generally represent the level of the whole material is effectively solved.

Description

Sampler capable of continuously sampling

Technical Field

The utility model belongs to the technical field of sampling equipment, and particularly relates to a sampler capable of continuously sampling.

Background

In the chemical and medical industries, products for mass production need to be prepared in a closed reaction container, toxic substances are usually generated in the preparation process, and if the container is directly opened for sampling, on one hand, the toxic substances volatilize into the air, and on the other hand, the health of on-site staff is also affected to a certain extent. Therefore, there is a need to design a sampler that enables continuous sampling without opening the container.

Disclosure of Invention

In order to overcome the defects in the prior art, the technical problems to be solved by the utility model are as follows: how to provide a sampler capable of realizing continuous sampling without opening the container.

In order to solve the technical problems, the utility model adopts the following technical scheme: a sampler capable of continuously sampling comprises a sampling tube, a return tube, a sampling device, a pump body and a return branch; one end of the sampling tube is connected with the feeding end of the pump body; one end of the return pipe is connected with the discharge end of the sampling device; the discharge end of the pump body is connected with the feed end of the sampling device; the two ends of the reflux branch are respectively connected with the feeding end and the discharging end of the sampling device.

The sampling tube, the return tube, the sampling device, the pump body and the return branch are connected through pipelines; a first valve is arranged on a pipeline close to the feeding end of the pump body; and a second valve is arranged on the pipeline close to the discharge end of the pump body.

Wherein, be equipped with the third valve on the backward flow branch.

The sampling device comprises a quick connector, a quick sampling bottle, a fourth valve and a fifth valve; the quick connector is positioned between the fourth valve and the fifth valve; the rapid sampling bottle is connected with the rapid connector.

Wherein, bottleneck department of quick sample bottle is equipped with the sealing washer.

Wherein, sampling tube and back flow all set up in protective casing.

Wherein, the reactor also comprises a reaction vessel; the distance between the free end of the sampling tube and the bottom of the reaction vessel is greater than the distance between the free end of the return tube and the bottom of the reaction vessel.

Wherein the distance between the free end of the return pipe and the bottom of the reaction vessel is 3 cm-5 cm.

And the sampling tube, the return tube and the return branch are made of PVDF.

The utility model has the beneficial effects that: the sampler capable of continuously sampling provided by the utility model has a simple structure and low cost, and the sampler forms a loop capable of realizing continuous sampling through the cooperation of the sampling tube, the return tube, the sampling device, the pump body and the return branch, and can realize the effect of circulating return under the condition of not sampling, so that a sample with uniform components can be obtained immediately when sampling is required.

Drawings

FIG. 1 is a schematic diagram of a continuous sampling sampler according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a sampling device according to an embodiment of the present utility model;

FIG. 3 is a partial cross-sectional view of a continuous sampling sampler and reaction vessel according to an embodiment of the present utility model;

description of the reference numerals:

1. a sampling tube; 2. a return pipe;

3. a sampling device; 31. a quick connector; 32. a rapid sampling bottle; 33. a fourth valve; 34. a fifth valve;

4. a pump body; 41. a first valve; 42. a second valve;

5. a return branch; 51. a third valve;

6. a protective sleeve; 7. a reaction vessel.

Detailed Description

In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.

The most critical concept of the utility model is as follows: through the cooperation of sampling tube, back flow, sampling device, the pump body and backward flow branch road, make this sampler constitute a return circuit that can realize continuous sampling, and under the condition of not sampling, also can realize the effect of circulation backward flow, guarantee to obtain the even material of composition immediately when needs sample.

Referring to fig. 1 to 3, the continuous sampling sampler provided by the present utility model includes a sampling tube 1, a return tube 2, a sampling device 3, a pump body 4 and a return branch 5; one end of the sampling tube 1 is connected with the feeding end of the pump body 4; one end of the return pipe 2 is connected with the discharge end of the sampling device 3; the discharge end of the pump body 4 is connected with the feed end of the sampling device 3; both ends of the reflux branch 5 are respectively connected with the feeding end and the discharging end of the sampling device 3.

From the above description, the beneficial effects of the utility model are as follows: the sampler is provided, a loop capable of realizing continuous sampling is formed by matching the sampling tube 1, the return tube 2, the sampling device 3, the pump body 4 and the return branch 5, and the effect of circulating return can be realized under the condition of no sampling, so that materials with uniform components can be obtained immediately when sampling is required; the sampler capable of continuously sampling has low cost, simple structure and convenient operation, and can realize continuous sampling under the condition of not opening the container compared with the prior sampling device.

Further, the sampling tube 1, the return tube 2, the sampling device 3, the pump body 4 and the return branch 5 are connected through pipelines, and a first valve 41 is arranged on a pipeline close to the feeding end of the pump body 4; a second valve 42 in the line near the discharge end of the pump body 4.

As can be seen from the above description, the first valve 41 is the main valve of the sampling line; the second valve 42 controls the flow rate of the material in the line.

Further, the reflux branch 5 is provided with a third valve 51.

As can be seen from the above description, the third valve 51 is used to open the return branch 5, while being able to control the return flow rate of the material.

Further, the sampling device 3 comprises a quick connector 31, a quick sampling bottle 32, a fourth valve 33 and a fifth valve 34; the quick connector 31 is located between the fourth valve 33 and the fifth valve 34; the rapid sampling bottle 32 is connected with the rapid connector 31.

As can be seen from the above description, the quick assembly and disassembly effects can be achieved by the cooperation of the quick connector 31 and the quick sampling bottle 32, so that the sampling efficiency is ensured; the fourth valve 33 and the fifth valve 34 can both control the material flow rate and the sampling device switch, and can intercept the sample flowing into the sampling bottle at different stages.

Further, a sealing ring is arranged at the bottleneck of the rapid sampling bottle 32.

From the above description, the design can ensure the tightness of the rapid sampling bottle during sampling, and avoid toxic substances from volatilizing into the air, thereby affecting the health condition of staff.

Further, both the sampling tube 1 and the return tube 2 are arranged in the protective sleeve 6.

From the above description, it is known that by providing the protective sleeve 6 at the periphery of the sampling tube 1 and the return tube 2, both can be protected from damage.

Further, the sampler capable of continuously sampling further comprises a reaction vessel 7; the distance between the free end of the sampling tube 1 and the bottom of the reaction vessel 7 is larger than the distance between the free end of the return tube 2 and the bottom of the reaction vessel 7.

From the above description, the design can avoid the condition that the gas or the material flowing back into the reaction container 7 directly flows out again through the sampling tube 1 and the bottom of the reaction container 7 is prevented from precipitating, and the effect of stirring the material to ensure the uniformity of the material components is achieved.

Further, the distance between the free end of the return tube 2 and the bottom of the reaction vessel 7 is 3cm to 5cm.

From the above description, this design further ensures that the returning gas or material is able to stir the material deposited at the bottom of the reaction vessel 7 sufficiently.

Further, the materials of the sampling tube 1, the return tube 2 and the return branch 5 are PVDF.

From the above description, the PVDF material can improve the mechanical strength and chemical stability of the pipeline, and reduce the damage to the pipeline caused by external force and the corrosion to the pipeline caused by solution in the long-term use process.

The sampler capable of continuously sampling can be used for sampling various liquid materials.

The first embodiment of the utility model is as follows:

referring to fig. 1 to 3, a sampler capable of continuously sampling comprises a sampling tube 1, a return tube 2, a sampling device 3, a pump body 4 and a return branch 5; one end of the sampling tube 1 is connected with the feeding end of the pump body 4; one end of the return pipe 2 is connected with the discharge end of the sampling device 3; the discharge end of the pump body 4 is connected with the feed end of the sampling device 3; both ends of the reflux branch 5 are respectively connected with the feeding end and the discharging end of the sampling device 3.

The sampling tube 1, the return tube 2, the sampling device 3, the pump body 4 and the return branch 5 are connected through pipelines, and a first valve 41 is arranged on a pipeline close to the feeding end of the pump body 4; a second valve 42 in the line near the discharge end of the pump body 4.

The return branch 5 is provided with a third valve 51.

The sampling device 3 comprises a quick connector 31, a quick sampling bottle 32, a fourth valve 33 and a fifth valve 34; the quick connector 31 is located between the fourth valve 33 and the fifth valve 34; the rapid sampling bottle 32 is connected with the rapid connector 31.

A sealing ring (not shown in the figure) is provided at the mouth of the rapid sampling bottle 32.

The sampling tube 1 and the return tube 2 are both arranged in the protective sleeve 6.

The sampler capable of continuously sampling further comprises a reaction vessel 7; the distance between the free end of the sampling tube 1 and the bottom of the reaction vessel 7 is larger than the distance between the free end of the return tube 2 and the bottom of the reaction vessel 7.

The distance between the free end of the return tube 2 and the bottom of the reaction vessel 7 is 3cm.

The sampling tube 1, the return tube 2 and the return branch 5 are all made of PVDF.

The pump body is a pneumatic diaphragm pump, valve bodies of all valves and pipelines are integrally formed, and the valve core adopts a replaceable valve core.

The working principle of the utility model is as follows: before the material is produced and processed, the sampling tube 1 and the return tube 2 are arranged in the reaction vessel 7, and the joint of the sampling tube and the reaction vessel is sealed; when the material processing is finished, the first valve 41, the second valve 42 and the third valve 51 are opened, and the fourth valve 33 and the fifth valve 34 are closed; then the pump body 4 is started again, so that the materials circulate along the sampling tube 1, the reflux branch 5 and the reflux tube 2; when sampling is needed, the rapid sampling bottle 32 is connected with the rapid connector 31 (the rapid sampling bottle 32 can be connected with the rapid connector 31 when not used for sampling), the fourth valve 33 and the fifth valve 34 are opened, the third valve 51 is closed, and the material is subjected to material sampling along the sampling tube 1, the sampling device 3 and the return tube 2; after a certain amount of materials are extracted, the fourth valve 33 and the fifth valve 34 are closed, and the third valve 51 is opened, so that the materials can be recycled; finally, the rapid sampling bottle 32 is taken down, thereby completing one sampling process of the materials.

In summary, the sampler capable of continuously sampling provided by the utility model has the advantages of simple overall structure, low cost and convenience in operation; through the cooperation of the sampling tube, the return tube, the sampling device, the pump body and the return branch, the sampler forms a loop capable of realizing continuous sampling, and can realize the effect of circulating return under the condition of no sampling, thereby ensuring that materials with uniform components can be obtained immediately when sampling is required; the defects that the existing sampling device needs to open a container to perform sampling work and the sampled product cannot generally represent the whole material level are overcome.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims (9)

1. The sampler capable of continuously sampling is characterized by comprising a sampling tube, a return tube, a sampling device, a pump body and a return branch; one end of the sampling tube is connected with the feeding end of the pump body; one end of the return pipe is connected with the discharge end of the sampling device; the discharge end of the pump body is connected with the feed end of the sampling device; the two ends of the reflux branch are respectively connected with the feeding end and the discharging end of the sampling device.

2. The continuous sampling sampler according to claim 1, wherein the sampling tube, the return tube, the sampling device, the pump body and the return branch are connected through a pipeline; a first valve is arranged on a pipeline close to the feeding end of the pump body; and a second valve is arranged on the pipeline close to the discharge end of the pump body.

3. The continuous sampling sampler of claim 1, wherein a third valve is provided on the return branch.

4. The continuous sampleable sampler of claim 1 wherein the sampling device comprises a quick connector, a quick sampling bottle, a fourth valve, and a fifth valve; the quick connector is positioned between the fourth valve and the fifth valve; the rapid sampling bottle is connected with the rapid connector.

5. The continuous sampling sampler of claim 4, wherein a sealing ring is arranged at the bottleneck of the rapid sampling bottle.

6. The continuous sampling sampler of claim 1, wherein the sampling tube and the return tube are both disposed within a protective sleeve.

7. The continuous sampleable sampler of claim 1 further comprising a reaction vessel; the distance between the free end of the sampling tube and the bottom of the reaction vessel is greater than the distance between the free end of the return tube and the bottom of the reaction vessel.

8. The continuous samplers of claim 1 wherein the distance between the free end of the return tube and the bottom of the reaction vessel is 3cm to 5cm.

9. The continuous sampling sampler of claim 1, wherein the sampling tube, the return tube and the return branch are made of PVDF.

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