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Peristaltic Dosing Pump Applied in Seed Coating Machine

Jun. 12, 2023

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What is the seed coating?

Seed coating is a post-treatment technology that can greatly improve seed quality in seed processing. Usually, by mechanical or manual methods, seed coating agents containing pesticides, fungicides, compound fertilizers, trace elements, plant growth regulators, release agents, and film-forming agents are evenly coated on the seed surface to form a smooth and firm film. With the germination, germination, emergence, and growth of seeds, the effective components in the coating are gradually absorbed by plant roots and transmitted to all parts of seedling plants, so that seeds and seedlings can play a role in the control of seeds and soil carriers and underground and aboveground pests. The micro fertilizer in the film can give full play to its effect before the base fertilizer borrows force. Therefore, the growth of coated seeds in the seedling stage is vigorous, the leaf color is thick and green, the root system is developed, and the plant is robust, so as to achieve the goal of increasing production and income.


Peristaltic Dosing Pump Applied in Seed Coating Machine


High-quality seeds are closely related to the exact dosage of seed dressing agent.

The operation of a typical seed coating machine has been standardized, and each process is continuous from seed feeding, through a measured liquid or powder, and after coating product discharge.

In the steps of seed spraying with seed dressing agent, precise control should be carried out according to the adjustment range of seed ratio and the suitable crop species, so as to achieve the purpose of accurate coating and effectively improve the quality of the coating.

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Customer Case:

Client: A seed coating producer from the US

Application: The customer uses Chonry peristaltic pump to transfer seed coating agents on various seed coating machines manufactured by the customer. Under the control of the controller unit, the seed coating agent transmission system inputs the seed coating agent into the coating machine. After atomizing, it comes into contact with the seed to be coated. By stirring the seed, a uniform membrane agent is formed on the seed surface. After coating, the seeds enter the coating stabilizer, solidify the coating layer, let the seeds discharge, and obtain the seed-coating finished product.

Client request:

1) The flow requirement of seed dressing agent: 5,000-6,000ml /min. The actual flow of seed dressing agents can be adjusted according to the amount of seed.

2) Seed coating agent transfer infusion road has good sealing performance.

3) The seed coat agent transmission system is suitable for the transmission of microbial seed coat agents and cannot destroy the effective components of such seed coat agents.

4) The transmission flow of the seed coating agent is stable and the coating is uniform.


Chonry Solution: 

Chonry peristaltic pump KZ25 is small in size and can match hoses of various specifications, with a wide flow range and a maximum flow of 6000mL/min. By adjusting the speed of the pump, it is convenient to adjust the flow and help customers save the dosage of seed coating agents while ensuring the quality of the coating.

The Peristaltic pump has good self-sealing performance. When transferring the seed coat agent, the seed coat agent only contacts with the inner wall of the hose, and there is no need for valves or seals on the pipeline, which can prevent the seed coat agent from leaking, ensure the safety of operators and prevent pollution to the environment.

The invasive peristaltic pump has low shear force, which will not degrade or destroy the microbial seed coat agent when it is transported, so as to ensure the effectiveness of such seed coat agent.

The head of the Chonry peristaltic pump has been optimized to extend the service life of the peristaltic pump tube and ensure the flow stability of the peristaltic pump as much as possible while ensuring the system pressure.




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Baoding Chuangrui Precision Pump Co., Ltd. is located in Hebei of China. Started production of the peristaltic pump in 2010, as the top pump manufacturer in China, we now have 30 series production including peristaltic metering pump, pump head, dispensing filling system, micro gear pumps and industrial peristaltic pumps.

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