Abstract
Aiming at the problem that the cleaning effect and surface integrity of the mechanical cleaning process cannot be solved simultaneously in the pretreatment of sea cucumber and according to the requirements of high efficiency, high quality and economy of sea cucumber body surface cleaning, a continuous directional cleaning device for sea cucumber abdomen and back based on the principle of water jet is designed. Through single factor experiment, the influence trend of jet parameters such as jet pressure, target distance and incidence angle on cleaning effect was analyzed. The cleaning parameters of sea cucumber are optimized by L9(34) orthogonal design. The experimental results show that the cleaning effect of sea cucumber is closely related to the impact of water jet. Enhancing the impact of water jet will not only help improve the cleanliness of sea cucumber, but also increase the risk of skin damage of sea cucumber. The influence order of water jet parameters on the cleaning effect of sea cucumber is as follows: Jet pressure > jet target distance > jet incidence angle. When the jet pressure is 3.0 MPa, the jet target distance is 200 mm and the jet incidence angle is 70°, the cleanliness and integrity scores are 8.0 and 8.2 respectively and the comprehensive cleaning effect of this scheme is optimal. This study provides the basis for the research and development of sea cucumber water jet cleaning device and process optimization.
Highlights
Sea cucumber is rich in a variety of trace elements, mucopolysaccharide and cholesterol free, high protein
There is no report on the effect of processing technology on the appearance quality of sea cucumber
Because the gastropod part is not impacted by the water jet, the surface of sea cucumber can be cleaned in a directional way
Summary
Sea cucumber is rich in a variety of trace elements, mucopolysaccharide and cholesterol free, high protein. The output of sea cucumber in China has increased year by year and the demand for rapid and large-scale mechanized processing technology and equipment is increasingly significant. Due to the directionality of water jet, the directional cleaning of sea cucumber surface can be realized by using this feature, so as to solve the shortcomings of existing methods. It is worth further exploring to construct a new technology and device for sea cucumber cleaning based on the principle of water jet. Based on the principle of water jet, a sea cucumber directional cleaning device is designed in this study. Because the gastropod part is not impacted by the water jet, the surface of sea cucumber can be cleaned in a directional way.
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