Lithium manganese iron phosphate synthesis on-line sampling self-cleaning device

By designing an online sampling self-cleaning device, the problem of easy spillage and contamination during the synthesis of lithium manganese iron phosphate was solved, realizing automatic sampling and cleaning, and improving sampling efficiency and detection accuracy.

CN223883244UActive Publication Date: 2026-02-06ANHUI HAIXIN ENERGY MATERIALS CO LTD
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Patent Information

Application Number
CN202520207194.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-02-06
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing sampling methods in the synthesis of lithium manganese iron phosphate are prone to material spillage and sample contamination, and manual operation is cumbersome, affecting test results.

Method used

An online sampling self-cleaning device was designed, comprising a reaction vessel, a diaphragm pump, and a tee connector. Through the coordination of a reflux pipe, a sampling self-cleaning pipe, and a sewage discharge pipe, automatic sampling and pipe cleaning are achieved, thus avoiding sample contamination.

Benefits of technology

It improves sampling efficiency, ensures testing accuracy, avoids sample contamination and pipeline residue, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lithium manganese iron phosphate synthesis on-line sampling self-cleaning device, which relates to the technical field of sampling equipment, and comprises a reaction kettle, a diaphragm pump and a three-way joint, an input port of the diaphragm pump extends into the reaction kettle through a pipeline, an output port of the diaphragm pump is connected with the three-way joint, and the three-way joint is connected with the diaphragm pump. One connecting port of the three-way connector is connected with a backflow pipeline, a first electric ball valve is installed on the backflow pipeline, the other connecting port of the three-way connector is connected with a sampling self-cleaning pipeline, and the backflow pipeline is connected with a blow-off pipeline; according to the utility model, the backflow pipeline, the sampling self-cleaning pipeline and the blow-off pipeline are arranged in a matched manner, so that automatic sampling of a lithium manganese iron phosphate sample can be realized, and compared with traditional manual sampling, the sampling efficiency is improved, automatic cleaning and blow-off of the diaphragm pump and the sampling pipeline can be realized, and the situation that the sample is polluted by pipeline residues can be avoided; and the detection accuracy is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sampling equipment technical field, concretely relates to a kind of manganese iron lithium phosphate synthesis online sampling self-cleaning device. BACKGROUND

[0002] Manganese iron lithium phosphate (LMFP) is considered to be an upgraded version of lithium iron phosphate (LFP) in the industry, and is a relatively high feasibility upgrading scheme of lithium iron phosphate. By doping manganese into lithium iron phosphate material, manganese iron lithium phosphate material is synthesized, which can effectively improve the energy density of lithium iron phosphate.

[0003] Manganese iron lithium phosphate needs to be sampled and detected after synthesis. The current sampling method is to manually insert a sampler into the reaction kettle for sampling. During the sampling process, material spillage may occur, and sample contamination may occur, affecting subsequent test results. After sampling, manual sub-packaging is required, and the sampling operation steps are complicated and inefficient. Therefore, a manganese iron lithium phosphate synthesis online sampling self-cleaning device is needed to solve the above problems. SUMMARY

[0004] The utility model aims at providing a kind of manganese iron lithium phosphate synthesis online sampling self-cleaning device to solve the problems existing in the prior art proposed in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A manganese iron lithium phosphate synthesis online sampling self-cleaning device includes a reaction kettle, a diaphragm pump and a tee joint. The input port of the diaphragm pump extends into the reaction kettle through a pipeline. The output port of the diaphragm pump is connected to a tee joint. One connection port of the tee joint is connected to a reflux pipeline. An electric ball valve one is installed on the reflux pipeline.

[0007] Another connection port of the tee joint is connected to a sampling and self-cleaning pipeline. A blowdown pipeline is connected to the reflux pipeline.

[0008] Preferably, the sampling and self-cleaning pipeline includes an electric ball valve two, an electric tee valve and an electric ball valve three. One end of the electric ball valve two communicates with the tee joint. The other end of the electric ball valve two communicates with the electric tee valve. One of the other two ports of the electric tee valve is a discharge port. The other port communicates with the electric ball valve three. The other end of the electric ball valve three is connected to a pure water supply device.

[0009] A branch pipe is branched off from the pipeline between the electric ball valve three and the pure water supply device. An electric ball valve four is connected to the branch pipe. The other end of the electric ball valve four communicates with the input port pipeline of the diaphragm pump.

[0010] Preferably, the drain pipeline comprises an electric ball valve five connected to the pipeline branch between the tee joint and the electric ball valve one, and the other end of the electric ball valve five extends to the trench through a pipeline.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The utility model discloses a backflow pipeline, sampling self -cleaning pipeline and the cooperation setting of drain pipeline can realize automatic sampling to lithium manganese iron phosphate sample, relative to traditional manual sampling, improve sampling efficiency, and can realize automatic cleaning and drain of diaphragm pump and sampling pipeline, can avoid pipeline residual pollution sample, ensure the accuracy of detection. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the pipeline arrangement structure schematic drawing of the utility model.

[0014] In the drawing: 1, reaction kettle;2, diaphragm pump;3, tee joint;4, electric ball valve one;5, electric ball valve two;6, electric tee valve;7, electric ball valve three;8, pure water supply equipment;9, electric ball valve four;10, material receiving station;11, electric ball valve five;12, trench. DETAILED DESCRIPTION

[0015] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0016] Please refer to Figure 1 The utility model provides the following technical schemes:

[0017] A lithium manganese iron phosphate synthesis on -line sampling self -cleaning device, including reaction kettle 1, diaphragm pump 2 and tee joint 3, the input of diaphragm pump 2 extends to reaction kettle 1 through pipeline, the output of diaphragm pump 2 is connected with tee joint 3, one connecting port of tee joint 3 is connected with backflow pipeline, and electric ball valve one 4 is installed on the backflow pipeline;Through the setting of diaphragm pump 2 and backflow pipeline, the circulation cleaning of backflow pipeline can be realized, and automatic sampling can be realized in cooperation with sampling self -cleaning pipeline.

[0018] Another connecting port of the tee joint 3 is connected with a sampling self-cleaning pipeline, the sampling self-cleaning pipeline comprises an electric ball valve two 5, an electric tee valve 6 and an electric ball valve three 7, one end of the electric ball valve two 5 is communicated with the tee joint 3, the other end of the electric ball valve two 5 is communicated with the electric tee valve 6, one of the other two ports of the electric tee valve 6 is a discharging port, and the other port is communicated with the electric ball valve three 7, the other end of the electric ball valve three 7 is connected with a pure water supply device 8; a branch pipe is branched on the pipeline between the electric ball valve three 7 and the pure water supply device 8, the branch pipe is connected with an electric ball valve four 9, and the other end of the electric ball valve four 9 is communicated with the input port pipeline of the diaphragm pump 2; the sampling self-cleaning pipeline can realize sampling of material samples and self-cleaning of the sampling pipeline.

[0019] The backflow pipeline is connected with a blowdown pipeline; the blowdown pipeline comprises an electric ball valve five 11 connected with a pipeline branch between the tee joint 3 and the electric ball valve one 4, and the other end of the electric ball valve five 11 extends to a ditch 12 through a pipeline; when the sampling device is not used for a long time, the blowdown pipeline can discharge the material in the reaction kettle 1 and the flushing water to the ditch 12.

[0020] The working process of the utility model is as follows:

[0021] Before sampling, first, the state of each valve and the diaphragm pump 2 is checked, and all should be in the closed state; the diaphragm pump 2 and the electric ball valve one 4 are opened, and the circulating flushing of the sampling pipeline is realized.

[0022] When sampling, the diaphragm pump 2 and the electric ball valve two 5 are opened, the state of the electric tee valve 6 is switched to the discharging port being communicated with the electric ball valve two 5, the diaphragm pump 2 delivers the material to the sampling container at the material receiving station 10, after the sampling amount is reached, the electric ball valve two 5 is closed, the electric tee valve 6 is reset, and automatic sampling is completed.

[0023] When the pipeline needs to be cleaned, the diaphragm pump 2 is closed, the electric ball valve two 5 and the electric ball valve three 7 are opened, the pure water supply device 8 supplies pure water, the backflow pipeline is flushed; the electric ball valve four 9 is opened, the pure water supply device 8 supplies pure water into the pipeline, the pipeline before the diaphragm pump 2 is flushed; when the sampling self-cleaning device is not used for a long time, the electric ball valve five 11 can be opened, and the flushing water and the material in the reaction kettle 1 are discharged into the ditch 12.

[0024] After sampling is completed, the sealing device seals the sampling container and stores the sampling container into a conveying capsule, the conveying capsule storing the sample is conveyed to a detection station through the pneumatic conveying device, and sampling detection of the sample is realized.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning online sampling device for the synthesis of lithium manganese iron phosphate, characterized in that, The reactor includes a reactor (1), a diaphragm pump (2), and a three-way connector (3). The inlet of the diaphragm pump (2) extends into the reactor (1) through a pipe. The outlet of the diaphragm pump (2) is connected to the three-way connector (3). One of the ports of the three-way connector (3) is connected to a return pipe. An electric ball valve (4) is installed on the return pipe. The other port of the three-way connector (3) is connected to a sampling self-cleaning pipeline, and the return pipeline is connected to a sewage discharge pipeline.

2. The online sampling and self-cleaning device for lithium manganese iron phosphate synthesis according to claim 1, characterized in that: The sampling self-cleaning pipeline includes an electric ball valve 2 (5), an electric three-way valve (6), and an electric ball valve 3 (7). One end of the electric ball valve 2 (5) is connected to the three-way connector (3), and the other end of the electric ball valve 2 (5) is connected to the electric three-way valve (6). Of the other two ports of the electric three-way valve (6), one is a discharge port, and the other port is connected to the electric ball valve 3 (7). The other end of the electric ball valve 3 (7) is connected to the pure water supply equipment (8). A branch pipe is branched off from the pipeline between the electric ball valve three (7) and the pure water supply equipment (8), and an electric ball valve four (9) is connected to the branch pipe. The other end of the electric ball valve four (9) is connected to the inlet pipeline of the diaphragm pump (2).

3. The online sampling and self-cleaning device for lithium manganese iron phosphate synthesis according to claim 1, characterized in that: The sewage pipeline includes an electric ball valve five (11) connected to the pipeline branch between the tee joint (3) and the electric ball valve one (4), and the other end of the electric ball valve five (11) extends into the trench (12) through a pipeline.