Experimental Background

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To verify the adaptability of the Jingjin three plunger pump to materials containing particulate matter, our company conducted a series of transportation experiments on typical solid-liquid mixtures such as Raney nickel solution, ceramic powder solution, and magnesium aluminum hydrotalcite solution.

Experimental Content

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Experiment 1: Transport of Raney Nickel Solution

1. Purpose of the experiment

Verification and improvement threePiston pump with5%Transport capacity of Raney nickel solid-liquid mixture.

2. Material transportation

A mixture of 5% Raney nickel and water.

3. Main equipment

(1) Jingjin three plunger pump (inlet pipe: outer diameter of 10mm, PFA pipe; Export pipe: outer diameter 1/4 ", PFA pipe)

(2) Blender

(3) Pressure pipeline (1/8)”PTFE tube)

4. Experimental steps

（1）Conduct water-based testing to confirm the normal operation of the pump；

（2）The particle size is120MmRaney nickel and pure water5%After mixing the proportions, use a mechanical stirrer to250rStirring is carried out to achieve suspension, and the pump directly extracts the mixed liquid for transportation;

（3）After normal atmospheric pressure delivery, add a back pressure pipe after the pump to achieve pressurization3.4MPaNormal transportation below.

5. Experimental data and analysis

Original link:

Dry sharing: Unveiling the technology of stable and precise transportation of Raney nickel solid-liquid mixture

6. Experimental Summary

（1）Using a PFA inlet tube with a diameter of 10mm, a solid-liquid mixture containing 5% Raney nickel can be transported at a flow rate of ≥ 700mL/min;

(2) Using a 1/4 "PFA inlet tube can transport a solid-liquid mixture containing 5% Raney nickel at a flow rate of ≥ 500mL/min;

(3) Under a pressure of 3.4MPa, a solid-liquid mixture containing 5% Raney nickel can be transported at a flow rate of ≤ 500mL/min.

Experiment 2: Transportation of bamboo powder aqueous solution

1. Purpose of the experiment

The customer needs to transport materials containing particulate matter at 10-20mL/min and verify whether the Jingjin three plunger pump can transport them.

2. Material transportation

Bamboo powder aqueous solution (solid-liquid ratio 1:10, containing organic matter and trace antibiotics, prone to sedimentation).

3. Main equipment

Jingjin three plunger pump (inlet pipe: outer diameter of 10mm, PFA pipe; Export pipe: outer diameter 1/4 ", PFA pipe).

4. Experimental steps

(1) Conduct a water benchmark test to ensure that the pump's delivery performance meets the experimental requirements；

（2）Material conveying test: First, mix thoroughly at high speed, then set the pump flow rate to 10 mL/min, 14 mL/min, 17 mL/min, and 20 mL/min for testing, and maintain stirring during the conveying process;

(3) Transport stability test: Measure the stability of pump transport at a flow rate of 10 mL/min for a total of 30 minutes.

5. Experimental data and analysis

Water benchmark test

Original link:

The customer's agreement is truly good! Customer Test Report on the "Three plunger Precise Feeding System" of Jingjin Technology

6.Experimental Summary

The refined three plunger pump can be used in10-20mL/minStable flow delivery10%Content bamboo powder aqueous solution, but it needs to be kept stirred and regularly circulated at a high flow rate to prevent sedimentation.

Experiment 3: Transport of a 1:10 solid-liquid sample mixture

1. Purpose of the experiment

The customer needs to transport a solid-liquid sample at 200mL/min to verify whether the Jingjin three plunger pump can stably transport it.

2. Material transportation

A solid-liquid sample (solid: ethanol (solvent)=1:10, milky white, easy to deposit, no viscosity).

3. Main equipment

Refine the three plunger pump.

4. Experimental steps

（1）Conduct water benchmark testing;

(2) Material transportationtest.

5. Experimental data

Original link:

The customer's agreement is truly good! Customer Test Report on the "Three plunger Precise Feeding System" of Jingjin Technology

6.Experimental Summary

The refined three plunger pump can be used in200mL/minStable transportation of the solid-liquid sample.

Experiment 4: Cotton alkali solvent transportation

1. Purpose of the experiment

Evaluate the transportability of cotton alkali (NaOH) solvent (customer supplied).

2. Material transportation

Cotton alkali (NaOH) - solvent (toluene+isopropanol, the solution is light yellow, the bottom cotton is in a block shape, and after stirring, it becomes a paste, which is easy to settle).

3. Main equipment

Refine the three plunger pump.

4. Experimental steps

（1）Use a magnetic stirrer and manual stirring to mix the cotton into a paste, while heating until85℃ insulation;

（2）Material atmospheric pressure conveying test: Set the flow rate to800mL/minCarry out material conveying (conveying)5min）Confirm that the conveying condition is good, that is, there is no blockage or interruption, observe stable flow from the outlet, and then switch the flow to500、600The1200mL/minCarry out transportation

（3）Material pressure conveying test: flow rate changed to1200mL/minConnect the outlet pipe as1/8”Apply pressure to the tube0.4MPaConduct traffic testing.

5. Experimental data

6.Experimental Summary

Refine three plungerUnder the premise of stirring, the pump,600mL/minAbove the flow rate, cotton containing solution can be transported,800mL/minContinuous transportation is possible above the flow ratethatCotton containing solution.

Other experiments on conveying materials containing particulate matter

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In addition to the four experiments on the transportation of particulate matter materials mentioned above, the Jingjin three plunger pump also conducted the following experiments, all of which achieved the experimental objectives and achieved stable transportation:

1. Ceramic powder solution transportation experiment:

(1) The minimum conveying flow rate for conveying a solid-liquid mixture containing 10% ceramic powder in a small reactor is 60mL/min;

(2) When using a large reactor, the minimum conveying flow rate for conveying a solid-liquid mixture containing 10% ceramic powder is 300mL/min;

2. Transport experiment of magnesium aluminum hydrotalcite solution:

The Jingjin three plunger pump can transport the material at a flow rate of 200mL/min. After 6 hours of circulation, the viscosity of the material changes but does not affect the conveying effect.

3. Methanol/phenol suspension:

The Jingjin three plunger pump can stably transport methanol/phenol suspension with a particle size of 0.15um and 2.5wt%, and the flow rate is always stable without obvious pulse or particle blockage;

4. Amide/methanol suspension experiment:

The Jingjin three plunger pump has good transport stability and good transport linearity for 1% amide methanol suspension.

About Jingjin Technology

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Hangzhou Jingjin Technology Co., Ltd. focuses on intelligent manufacturing of "precision feeding products and system solutions", and is committed to achieving stable, precise, and intelligent material conveying in continuous production processes. Jingjin Technology takes customer needs as the basis for product development, providing practical and feasible solutions for different industries. The company continuously invests in product innovation, superior production processes, and high-level internal production depth to ensure consistent high-quality standards and reliable delivery.

Product Highlights

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