Talking about the Application of Facility Agricultural Machinery

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First, the greenhouse shutter rolling machine can be divided into fixed shutters (horizontal shutters) and self-propelled shutters according to the way of walking. Self-propelled shutters can be divided according to different structures. Divided into sports car, swing arm type and rocker type and several other. Its working principle is to use gear reducer to achieve roll cover curtain. Reducer uses double worm gear and worm gears, which has a small volume, large transmission torque, large reduction ratio, and good self-locking. Spur gear drive reducer, transmission torque, but the reduction ratio is small, large size, self-locking is not good. The differential gear reducer has a light structure, but its load resistance is weak. At present, there are many manufacturers of greenhouse rolling shutters, and most of them have passed the technology and the products are reliable and durable. Second, the greenhouse window ventilation machinery greenhouse window ventilation machinery refers to the use of electricity in the greenhouse or artificial, through a special transmission mechanism to open or close the greenhouse roof window or side window mechanical system. Commonly used in the greenhouse are rack and pinion window openers, crank connecting rod window openers, four-link openers, and sliding windows. Rack and pinion windowing machinery is currently the most commonly used type of windowing machinery, and its core components are racks and racks. Attachment components vary with the overall organization. Because of its stable performance, reliable and safe operation, strong bearing capacity, high transmission efficiency, accurate operation, and easy realization of automatic control, it is the preferred type of large-scale multi-span greenhouse. III. Greenhouse production operation machinery 1. Greenhouse cultivation machinery For the special environment of greenhouse cultivation, various micro tillage machines have emerged. These machines generally have three functions, namely site preparation, management, and harvesting. Land preparation function: Rotary tillage, plowing, earth-cultivation, ditching, hoeing, and ridging operations; management functions: cultivating, spraying, spraying, fertilizing, removing insects and weeding; some rotary cultivating machinery also have Harvest function. They are equipped with 3.6-5.2KW diesel engines or gasoline engines, featuring small size, light weight, low energy consumption, low noise, and agility. 2. Vegetable sowing machines, such as seed drills, seed drills, and precision seed drills, have been widely used in European and American countries. Precise vegetable seeders can save seeds, reduce the amount of seedlings used, neat seedlings, reasonable population structure, consistent maturity, easy for a harvest, and can increase vegetable yield and quality. 3, vegetable transplanting machinery is mainly used for planting seedlings, vegetable seedlings and seedlings can be planted, one operation can complete the process of ditching, planting seedlings, covering soil and repression, some machines can also bring their own watering device , Watering immediately after planting. Some foreign planting machinery is in the direction of automation. 4. The automatic grafting machinery for vegetables can automatically carry out actions such as clamping, cutting and inserting. The survival rate of grafting vegetables such as cucumbers and tomatoes can reach 95% or more, and the production efficiency is 10 times that of artificial ones. 5, vegetable foliar fertilizer machinery using plasma technology, so that fertilizer or pesticides with a charge, very good adsorption with the plant foliage, to achieve the purpose of fertilizer-saving medicine. At present, this kind of machinery has been popularized in foreign countries. 6, vegetable harvesting machinery is mainly used for the harvest of root (stem) vegetables, leaf vegetables and fruit and vegetable processing. At present, the mechanical versatility is poor, and a lot of research work needs to be done. Vegetable and vegetable post-natal processing machinery plus cleaning machine, sorting machine, grading machine, tying machine, waxing machine, packaging machine, pre-cooling storage machinery. Fourth, carbon dioxide gas fertilizer applicator use of chemical reaction method of carbon dioxide production machinery that carbon dioxide generator. The carbon dioxide generator has two containers, the upper container holds a sulfuric acid solution, and the lower container contains ammonium bicarbonate as a reaction tank. Sulfuric acid flows into the reaction tank through switches and diversion tubes. The speed of start-up or shut-down and reaction can be achieved by adjusting the switch. It can be controlled manually. The machine is easy to operate and opens with use. It is mainly used for greenhouse pollution-free vegetable production. Increasing the application of different concentrations of carbon dioxide to different types of vegetables can increase greenhouse crop production by more than 30%, and at the same time, it can improve quality and increase crop disease resistance, saving 10%-20% of pesticides. The residue of the generator reaction is ammonium sulfate, which is a good nitrogen fertilizer. Its operating cost is low, gas and fertilizer spread evenly, one-time investment is small, and the promotion prospect is good. V. Greenhouse Disease Prevention and Control Machines The commonly used equipments for prevention of diseases in greenhouses include sulphur fumigators, ozone detoxification machines, vibratory insecticide lamps, and the like. These devices have the advantages of simple operation and convenient use (two-phase power can be connected). , And no poison, no pollution, the effect is significant. The greenhouse disease ozone control machine uses the air in the greenhouse as a Raw Material, and combines oxygen with ozone into ozone by high-voltage discharge technology. Ozone has strong oxidizing properties, and ozone reaches a certain concentration of air, which can affect the air and plant surfaces in greenhouses. The harmful bacteria, fungi, germs, etc. are quickly killed or inactivated. After the sterilization process is completed, ozone is reduced to oxygen for several tens of minutes at room temperature due to the reducing characteristics of ozone. Therefore, ozone disinfection, no pollution, no residue, is currently recognized as a green sterilization technology. Disease ozone control machine is the best technology guarantee equipment to replace pesticides and produce pollution-free green high-quality vegetables. Sixth, temperature control mechanical facilities in the actual production of the most widely used temperature-increasing facilities. Commonly used heating facilities with good results have the following two types: 1. Plumbing type uses water as the heat medium and consists of a boiler, a radiator, a circulation pump, etc. The boiler is installed outside the greenhouse. Features are clean, stable temperature changes, easy to adjust, but there is hysteresis in temperature rise and fall. 2. The air-warming type uses air as the heat medium. Direct heating of the air from the furnace body can reduce the indoor air humidity and reduce the occurrence of diseases. It is characterized by rapid warming and rapid cooling. The facilities are hot-air stoves, which are divided into two types: coal-fired and fuel-fired; depending on the heating area, different heat-generating stoves can be used. Seven, irrigation machinery facilities Drip irrigation, micro-irrigation, sprinkler irrigation, irrigation and other forms of irrigation have their own characteristics and adaptability, each irrigation can be divided into various forms, products are also varied, must be based on actual and specific The situation is comprehensively considered. In general, foreign products have better accuracy. The dripping (or spraying) has good uniformity and the product has a long service life, but it has strict requirements for pressure and water quality, and when the water quality is poor, it is easy to be clogged, and the price is expensive. Domestic products are not as good as foreign products in terms of uniformity of irrigation, but their requirements for pressure and water quality are low, their adaptability is good, and their dripping nozzles are less congested and easy to operate. They have great advantages in terms of product prices. In the near future, it is possible to achieve basic domestic production of irrigation equipment. VIII. Other mechanical equipments 1. Greenhouse electric defogging, disease prevention and health-promoting device achieves the effect of promoting growth through the application of intermediate electric field, carbon dioxide supplementation, trace ozone, and high-energy belt particles, and controls various physiological activities of plants to effectively control plant nutrient deficiency. Diseases and root cold absorption, the device can purify the greenhouse air and effectively remove the fog to effectively prevent gas diseases, inhibit soil-borne diseases around the roots, prevent a variety of plant physiological diseases, and can improve the plant's ability to withstand the overcast days. It has a significant role in improving crop quality and reducing pesticide use. 2. The automatic snow-collecting and snow-removing machinery system realizes the automatic snow-sweeping function of the roof, and solves the problem that a large amount of snow on the roof in the winter in northern areas seriously affects the overall performance of the greenhouse. 3, film reel is a kind of micro-reducer, used to roll the film, to achieve the purpose of venting and dehumidification. Manual, electric two. It has the advantages of simple operation, free control of vent size, and time saving. 4. The soil nutrient fastness meter can quickly determine the content of organic matter, nitrogen, phosphorus, potassium, and other trace elements in soil by using electronics and optics principles. It provides a scientific and effective basis for formula fertilization and can target fertilizers and avoid fertilizers. Blind use and waste. 5, fill the light equipment in the greenhouse to install dedicated light fixtures to meet the crop growth on the need for light.

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