The use of machinery in the modern agricultural production process is becoming more and more common. This has a very important role in the improvement of labor productivity and land productivity. In order to enhance agricultural productivity and anti-risk ability to ensure food security, rice harvesting is more worthwhile. recommend. However, with the promotion of super rice, the weight of the panicle increased, the risk of lodging increased, affecting rice quality, stable production and high yield, but also affected the mechanical harvesting. The lodging method of rice in northern China is dominated by stalk lodging. In addition to the self-characteristics of the cultivar, the cultivation measures and climatic conditions are also important influencing factors. The Lodging Resistance Tester is a good measure of stem lodging in plants.

In this experiment, the effect of different harvesting periods on the lodging resistance of rice stalks was determined by using the lodging resistance tester to explore the best harvest time for optimum yield and quality of rice varieties, aiming to reduce the loss of mechanical harvesting yield caused by lodging. At the lowest level, it is of great practical significance to improve the level of rice harvest mechanization and ensure high yield and harvest.

The five rice varieties in different harvest periods all had the lowest lodging index on October 10, indicating that October 10 was the best harvest period for rice, and the mechanical harvesting loss was the lowest. The best harvest time of rice mainly depends on the growth period of the variety, and the light and accumulated temperature conditions during the sowing time and the growth and development period will also have a greater impact on the rice.

Through the analysis of the lodging resistance tester, it was found that there are many factors that affect the lodging resistance of rice stalks. Comprehensive research should be conducted from all directions. The physical and chemical structural characteristics analyzed in this experiment are representative, but they need to be Rice stem stalk anatomy, lignin content, silicon, potassium content and other aspects continue to be studied in order to better understand the mechanism of stem lodging, increase the level of rice harvest mechanization to ensure high quality and stable yield of rice.

Biomass Burner

  • Hopper: used to store biomass pellets.
  • Main body of vaporization chamber: biomass particle fuel gasification in gasification chamber
  • Fire mouth (fire mouth): divided into inner tube and outer tube, the inner tube emits combustion gas.
  • Grate: The middle position of the door of the vaporization chamber, used for air distribution when the particles are burned and vaporized.
  • Ash door: The burner must open the door every 2-8 hours of work to clean the ash on the grate. When opening the door, be sure to stop the blower for more than 10 minutes and stand on the side of the door and keep it for more than 2 meters. The safe distance, after the blower stops running, open with a long iron. There is no flame and the combustible gas can be ejected before the door can be cleaned.
  • Blower: Distribution of air for combustion and gasification.
  • Wind box: used to adjust the air volume and air pressure.
  • Bottom wind: From the bottom of the grate.
  • Secondary air: Mezzanine distribution between the inner and outer tubes of the fire vent, and the secondary combustion of combustible gas in the combustion flaring.
  • Feeding motor: screw rod used to drive feeding system.
  • Feeding system: Feed biomass pellets into the combustion chamber.
  • Casters: For short-distance movement of the burner (use a forklift away from the distance to avoid damage to the rigid vibrating refractory layer).
  • Fuel: Pure woody biomass pellet fuel, diameter 8-10MM, length less than 30mm, heating value above 3500KCal, ash content less than 3% (large tonnage burner can burn 30MM biomass briquette fuel).

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Jinan Shanghangda Machinery Co., Ltd. , https://www.shdmachines.com