Multifunctional sampling device

Abstract

The multifunctional sampling device comprises a sampling tank, a feeding assembly, a sampling assembly and a backflow assembly, a feeding port and a sampling port are formed in the top of the sampling tank, a material returning port is formed in the bottom of the sampling tank, the feeding end of the feeding assembly is used for being communicated with an object to be detected, and the discharging end of the feeding assembly is communicated with the feeding port; the sampling assembly comprises a clear liquid sampling pipe and a filter cylinder, one end of the clear liquid sampling pipe penetrates through the material returning opening and extends into the sampling tank, the filter cylinder is fixedly arranged on the inner top wall of the sampling tank, one end of the clear liquid sampling pipe extends into the upper filter cylinder, and the backflow assembly is provided with a backflow end; redundant detection substances in the sampling tank can be returned to the original position through the backflow assembly, material waste can be avoided, meanwhile, the detection substances entering the sampling tank are subjected to solid-liquid separation through the arranged filter cylinder, slurry is intercepted outside the filter cylinder, clear liquid is located in the filter cylinder and can be directly extracted through the clear liquid sampling pipe, precipitation separation does not need to be waited, use is convenient, and cost is low. The detection efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling detection technical field especially relates to a multifunctional sampling device. BACKGROUND

[0002] In the preparation process of the material, the generation state of the material needs to be reflected by the means of sampling detection. For example, in the preparation process of the new energy battery precursor material, the reaction liquid needs to be extracted from the reaction kettle, and various indexes of the reaction liquid need to be detected.

[0003] At present, the sample in the reaction kettle is mostly extracted by a peristaltic pump, and the sample is not recycled after sampling detection, which causes waste of the material. At the same time, the extracted slurry needs to be precipitated, and then the supernatant is extracted by a pipette and detected, which is complicated and low in efficiency. UTILITY MODEL CONTENT

[0004] Therefore, it is necessary to provide a multifunctional sampling device to solve the problem that the sample is not recycled after sampling detection, which causes waste of the material. At the same time, the extracted slurry needs to be precipitated, and then the supernatant is extracted by a pipette and detected, which is complicated and low in efficiency.

[0005] The utility model provides a multifunctional sampling device, which comprises a sampling tank, a feeding assembly, a sampling assembly and a reflux assembly, the top of the sampling tank is provided with a feeding port and a sampling port, and the bottom of the sampling tank is provided with a material return port, the feeding end of the feeding assembly is used for communicating with the material to be detected, and the discharge end of the feeding assembly is communicated with the feeding port, the feeding assembly is configured to convey the material to be detected into the sampling tank, the sampling assembly comprises a clear liquid sampling pipe and a filter cartridge, one end of the clear liquid sampling pipe extends into the sampling tank through the material return port, the filter cartridge is fixedly arranged on the inner top wall of the sampling tank, one end of the clear liquid sampling pipe extends into the upper filter cartridge and is used for extracting the upper clear liquid of the material to be detected, the reflux assembly has a reflux end, and the reflux end is configured to return the material to be detected.

[0006] Further, the bottom of the sampling tank is in an inverted conical structure, and the material return port is formed at the tip of the inverted conical structure.

[0007] Further, the feeding assembly comprises a pump, a feeding pipe and a first valve, the feeding end of the pump is used for communicating with the material to be detected, the discharge end of the pump is communicated with the feeding port through the feeding pipe, and the first valve is installed on the feeding pipe.

[0008] Further, a fixing ring is further included, the clear liquid sampling pipe is arranged through the fixing ring and is fixedly connected with the fixing ring, and the bottom of the fixing ring is sealingly connected with the sampling port of the sampling tank.

[0009] Further, the sampling assembly further comprises a connecting ring fixedly connected with the top of the filter cartridge, and the connecting ring is connected with the sampling tank via a screw.

[0010] Further, a ring-shaped groove is formed in the top of the connecting ring, and a sealing ring is installed in the ring-shaped groove and abuts against the inner top wall of the sampling tank.

[0011] Further, the end of the clear liquid sampling pipe located in the filter cartridge is arranged against the inner bottom wall of the filter cartridge.

[0012] Further, the backflow assembly comprises a backflow pipe and a second valve, one end of the backflow pipe is communicated with the backflow port, and the other end of the backflow pipe is a backflow end.

[0013] Further, the backflow assembly further comprises a slurry sampling pipe and a third valve, the slurry sampling pipe is communicated with the part of the backflow pipe located between the second valve and the sampling port, and the third valve is installed on the slurry sampling pipe.

[0014] Further, the to-be-detected object is stored in a reaction kettle, the feeding end of the feeding pipe extends into the reaction kettle, and the height of the feeding end located at the inner end of the reaction kettle is adjustable.

[0015] Compared with the prior art, the to-be-detected object can be delivered into the sampling tank through the feeding assembly, the object in the sampling tank can be extracted for detection through the sampling assembly, and the excess to-be-detected object in the sampling tank can be returned to the original position through the backflow assembly, so that the waste of the object can be avoided, meanwhile, the to-be-detected object entering the sampling tank is subjected to solid-liquid separation through the filter cartridge, the slurry is intercepted outside the filter cartridge, and the clear liquid is located in the filter cartridge, so that the clear liquid can be directly extracted through the clear liquid sampling pipe, without waiting for the separation of the sediment, and the use is convenient and the detection efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 An overall installation schematic view of the multifunctional sampling device is provided for the embodiments of the utility model.

[0017] Fig. 2 An internal structure schematic view of the multifunctional sampling device is provided for the embodiments of the utility model. DETAILED DESCRIPTION

[0018] The preferred embodiments of the utility model will be specifically described below in combination with the drawings, wherein the drawings form a part of the present application, and are used to explain the principles of the embodiments of the utility model, and are not used to limit the scope of the utility model.

[0019] As Figs. 1-2As shown, the multifunctional sampling device provided by the utility model discloses a sampling tank 100, feed assembly 200, sampling assembly 300 and backflow assembly 400, the top of sampling tank 100 is provided with feed inlet 110 and sampling port 120, and its bottom is provided with back material port 130, the feed end of feed assembly 200 is used to communicate with the material to be detected, and its discharge end is communicated with feed inlet 110, feed assembly 200 is configured to deliver the material to be detected into sampling tank 100, sampling assembly 300 includes clear liquid sampling pipe 310 and filter cartridge 320, one end of clear liquid sampling pipe 310 extends into sampling tank 100 through back material port 130, filter cartridge 320 is fixedly arranged on the inner top wall of sampling tank 100, one end of clear liquid sampling pipe 310 extends into upper filter cartridge 320 and is used to extract the upper clear liquid of the material to be detected, backflow assembly 400 has a backflow end, and the backflow end is configured to return the material to be detected.

[0020] When implementing, the material to be detected can be delivered into sampling tank 100 through feed assembly 200, the material in sampling tank 100 can be extracted for detection through sampling assembly 300, and the excess material in sampling tank 100 can be returned to the original position through backflow assembly 400, so that material waste can be avoided, and simultaneously, the material to be detected entering sampling tank 100 can be separated into solid and liquid through the filter cartridge 320 arranged, the slurry is intercepted outside filter cartridge 320, and the clear liquid is located in filter cartridge 320, so that the clear liquid can be directly extracted through clear liquid sampling pipe 310 without waiting for sedimentation and separation, so that the device is convenient to use and high in detection efficiency.

[0021] The top of the sampling tank 100 in the embodiment is provided with feed inlet 110 and sampling port 120, and the bottom is provided with back material port 130.

[0022] In order to facilitate the backflow of the slurry in sampling tank 100 to the reaction kettle, in an embodiment, the bottom of sampling tank 100 is in inverted conical structure, and the back material port 130 is formed at the tip of the inverted conical structure. The material in sampling tank 100 is facilitated to be guided out of back material port 130 through the design of the above-mentioned inverted conical structure.

[0023] The feed assembly 200 in the embodiment includes pump 210, feed pipe 220 and first valve 230, the feed end of pump 210 is used to communicate with the material to be detected, the discharge end of pump 210 is communicated with feed inlet 110 through feed pipe 220, and the first valve 230 is installed on feed pipe 220.

[0024] It can be understood that the multifunctional sampling device in the embodiment is suitable for a reaction kettle and is used for sampling materials in the reaction kettle. Specifically, the to-be-detected materials are stored in the reaction kettle, the feeding end of the feeding pipe 220 extends into the reaction kettle, and the height of the end of the feeding pipe 220 in the reaction kettle is adjustable. The height of the end of the feeding pipe 220 in the reaction kettle can be adjusted by controlling the length of the part of the feeding pipe 220 in the reaction kettle.

[0025] The sampling assembly 300 in the embodiment includes a clear liquid sampling pipe 310 and a filter cartridge 320. One end of the clear liquid sampling pipe 310 extends into the sampling tank 100 through the return port 130, and the filter cartridge 320 is fixedly arranged on the inner top wall of the sampling tank 100. One end of the clear liquid sampling pipe 310 extends into the upper filter cartridge 320 and is used for extracting the supernatant of the to-be-detected materials.

[0026] In one embodiment, a fixing ring is further included. The clear liquid sampling pipe 310 passes through the fixing ring and is fixedly connected with the fixing ring. The bottom of the fixing ring is sealingly connected with the sampling port 120 of the sampling tank 100. The clear liquid sampling pipe 310 is fixed at the sampling port 120 of the sampling tank 100 through the fixing ring. A pump device can be connected with the clear liquid sampling pipe 310 to extract the clear liquid in the sampling tank 100.

[0027] In one embodiment, the sampling assembly 300 further includes a connecting ring fixedly connected with the top of the filter cartridge 320. The connecting ring is connected with the sampling tank 100 through a screw. Of course, in other preferred embodiments, the connecting ring can also be connected with the sampling tank 100 in a threaded connection manner.

[0028] In one embodiment, the top of the connecting ring is provided with an annular groove, and a sealing ring is arranged in the annular groove and abuts against the inner top wall of the sampling tank 100.

[0029] In one embodiment, the end of the clear liquid sampling pipe 310 in the filter cartridge 320 is arranged against the inner bottom wall of the filter cartridge 320.

[0030] The feeding end of the reflux assembly 400 in the embodiment is connected with the return port 130. The reflux assembly 400 has a reflux end configured to return the to-be-detected materials.

[0031] In one embodiment, the reflux assembly 400 includes a reflux pipe 410 and a second valve 420. One end of the reflux pipe 410 is connected with the return port 130, and the other end of the reflux pipe 410 is the reflux end.

[0032] In one embodiment, the backflow assembly 400 further comprises a slurry sampling pipe 430 and a third valve 440, the slurry sampling pipe 430 is communicated with the backflow pipe 410 at a position between the second valve 420 and the sampling port 120, and the third valve 440 is installed on the slurry sampling pipe 430. By closing the second valve 420 and opening the third valve 440, the slurry discharged by the slurry sampling pipe 430 can be received.

[0033] Work flow: The material to be detected can be transported into the sampling tank 100 through the feeding assembly 200, and the material in the sampling tank 100 can be extracted for detection through the sampling assembly 300, and the excess detection material in the sampling tank 100 can be returned to the original position through the backflow assembly 400, so as to avoid waste of material. At the same time, the detection material entering the sampling tank 100 is subjected to solid-liquid separation through the filter cartridge 320, the slurry is intercepted outside the filter cartridge 320, and the clear liquid is located in the filter cartridge 320, which can be directly extracted through the clear liquid sampling pipe 310 without waiting for sedimentation separation, so as to be convenient to use and high in detection efficiency.

[0034] Compared with the prior art: The material to be detected can be transported into the sampling tank 100 through the feeding assembly 200, and the material in the sampling tank 100 can be extracted for detection through the sampling assembly 300, and the excess detection material in the sampling tank 100 can be returned to the original position through the backflow assembly 400, so as to avoid waste of material. At the same time, the detection material entering the sampling tank 100 is subjected to solid-liquid separation through the filter cartridge 320, the slurry is intercepted outside the filter cartridge 320, and the clear liquid is located in the filter cartridge 320, which can be directly extracted through the clear liquid sampling pipe 310 without waiting for sedimentation separation, so as to be convenient to use and high in detection efficiency.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A multifunctional sampling device, characterized in that, include: The sampling tank has an inlet and a sampling port at the top, and a return port at the bottom; The feeding assembly has an inlet end for communicating with the object to be tested and an outlet end connected to the inlet. The feeding assembly is configured to convey the object to be tested into the sampling tank. The sampling assembly includes a clear liquid sampling tube and a filter cartridge. One end of the clear liquid sampling tube extends through the return port into the sampling tank. The filter cartridge is fixedly installed on the inner top wall of the sampling tank. One end of the clear liquid sampling tube extends into the upper filter cartridge for extracting the upper clear liquid of the analyte. A reflux assembly, wherein the feed end is connected to the reflux port, the reflux assembly having a reflux end configured for returning the test material.

2. The multifunctional sampling device according to claim 1, characterized in that, The bottom of the sampling container has an inverted conical structure, and the return port is formed at the tip of the inverted conical structure.

3. The multifunctional sampling device according to claim 1, characterized in that, The feeding assembly includes a pump, a feeding pipe, and a first valve. The feed end of the pump is used to connect to the object to be tested, and the discharge end of the pump is connected to the feed port via the feeding pipe. The first valve is installed on the feeding pipe.

4. The multifunctional sampling device according to claim 1, characterized in that, It also includes a fixing ring, through which the clear liquid sampling tube passes and is fixedly connected, and the bottom of the fixing ring is sealed to the sampling port of the sampling tank.

5. The multifunctional sampling device according to claim 1, characterized in that, The sampling assembly also includes a connecting ring fixedly connected to the top of the filter cartridge, the connecting ring being connected to the sampling container via screws.

6. The multifunctional sampling device according to claim 5, characterized in that, The top of the connecting ring is provided with an annular groove, and a sealing ring is installed in the annular groove. The sealing ring abuts against the inner top wall of the sampling container.

7. The multifunctional sampling device according to claim 1, characterized in that, The end of the clear liquid sampling tube located in the filter cartridge is attached to the inner bottom wall of the filter cartridge.

8. The multifunctional sampling device according to claim 1, characterized in that, The reflux assembly includes a reflux pipe and a second valve. One end of the reflux pipe is connected to the return port, and the other end of the reflux pipe is the reflux end.

9. The multifunctional sampling device according to claim 8, characterized in that, The reflux assembly also includes a slurry sampling tube and a third valve. The slurry sampling tube is connected to the reflux tube at the part between the second valve and the sampling port. The third valve is installed on the slurry sampling tube.

10. The multifunctional sampling device according to claim 3, characterized in that, The substance to be tested is stored in a reaction vessel, and the feed end of the feed pipe extends into the reaction vessel, with its height at the inner end of the reaction vessel being adjustable.

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