The walnut oil production equipment process adopts a pure physical pressing method to extract oil, with a unique process developed by Xinxiang Hongyang that solves the problem of aroma generation and retention in walnut oil production. The raw material is required to undergo de-dusting and de-stoning before being broken and pressed to separate the oil from the oilseeds. after pressing, the product is obtained by using Xinxiang Hongyang Machinery Co. Ltd’s natural filtration and purification technology.

This process eliminates the use of solvents, alkalis, and ultra-high temperature refining used in extraction oil, thereby preserving the natural nutritional components of the finished oil and maintaining its original flavor, rich aroma, without solvent residues or soap content. It is a walnut oil production process that combines modern and traditional techniques.

Pure Physical Walnut Oil Process

The cleaned raw material is then graded, with the top-quality walnuts sold as food directly, while the broken and crushed walnuts enter the oil press.

The crude oil from the press is then clarified in the oil tank, filtered through the leaf filter, and de-gummed using our company's unique centrifugal de-gumming method. After drying, cooling, and plate frame filtration, it enters the finished oil storage tank. The use of centrifugal de-gumming shortens the natural sedimentation time of the gum and reduces the investment in equipment and building construction.

Process Features:

· All process equipment is continuous and mechanized;

· Computerized automation control system with computer display, control, and recording; the workshop has an independent control room for centralized control; equipped with a large-screen simulative control panel and automatic alarm, interlock control; automatic control instruments for temperature, pressure, material level, and flow ensure that the workshop operation can be understood and controlled from the control room;

· Equipped with a powerful dust removal system to meet production and environmental protection requirements;

· The light and fine impurities removed can be returned to the meal or stored and transported separately.

Process Flow Diagram

Raw Material → Receiving → Steel Silo → Measurement → Cleaning and De-dusting → Crushing → Conditioning → Pressing → Crude Oil → De-gumming and Refining → Rich Aroma Walnut Oil → Oil Tank