A simple introduction, beekeeping is a kind of specialized vehicle used for agricultural services and other aspects. However, the problem that many users are concerned about now is whether the country will give a certain subsidy policy when buying such apicultural vehicles. To this end, Xiao Bian specifically went to the relevant departments to understand the specific circumstances, and then the Xiao Bian to explain to everyone about what the policy is related to the subsidy of beekeeping in this area. First of all, we need to understand a problem. The state provides a certain subsidy policy for users who purchase beekeeping vehicles . In order to mobilize the enthusiasm of some bee peasants for bee-keeping, the state has introduced policies concerning beekeeping in some provinces, including the purchase of beekeeping vehicles. However, the subsidy policy in each place is not the same. For example, subsidies for other provinces such as Hubei Province are very large, and they can generally be subsidized by 30 to 50 percent. Therefore, if you happen to be in this province and you also know some beekeeping techniques, Then you can buy a bee-keeping vehicle on the current national bee-keeping subsidy. Shanxi Province also attaches special importance to this aspect. In 2013, related notices were issued and the bee-keeping vehicles were also included in the scope of the eighth subcategory of the fifth subcategory to purchase agricultural machinery subsidies. The state will give a subsidy of 20,000 yuan to every person who buys a beekeeping vehicle . Today's beekeeping vehicles have trunks for drying pollen and moisturizing devices, so they are ideally suited for use by large farmer beekeepers. If you want to buy a bee-keeping vehicle, you only need to bring along the relevant purchase certificate and valid certificate after purchasing, and you can handle the relevant procedures for you. In short, due to the country’s strong support for the beekeeping industry and the related policies for the purchase of beekeeping subsidies, more and more people are investing in beekeeping. With the continuous improvement of the level of science and technology, it is believed that beekeeping technology will gradually increase in the future, thus making the development of the beekeeping industry better and better.
A Solenoid Valve is an electromechanically operated valve. The valve is controlled by an electric current through a solenoid: in the case of a two-port valve the flow is switched on or off; in the case of a three-port valve, the outflow is switched between the two outlet ports. Multiple solenoid valves can be placed together on a manifold.
Solenoid valves are the most frequently used control elements in fluidics. Their tasks are to shut off, release, dose, distribute or mix fluids. They are found in many application areas. Solenoids offer fast and safe switching, high reliability, long service life, good medium compatibility of the materials used, low control power and compact design.
Besides the plunger-type actuator which is used most frequently, pivoted-armature actuators and rocker actuators are also used.
Solenoid valve designs have many variations and challenges.
Common components of a solenoid valve:
The core or plunger is the magnetic component that moves when the solenoid is energized. The core is coaxial with the solenoid. The core's movement will make or break the seals that control the movement of the fluid. When the coil is not energized, springs will hold the core in its normal position.
The plugnut is also coaxial.
The core tube contains and guides the core. It also retains the plugnut and may seal the fluid. To optimize the movement of the core, the core tube needs to be nonmagnetic. If the core tube were magnetic, then it would offer a shunt path for the field lines. In some designs, the core tube is an enclosed metal shell produced by deep drawing. Such a design simplifies the sealing problems because the fluid cannot escape from the enclosure, but the design also increases the magnetic path resistance because the magnetic path must traverse the thickness of the core tube twice: once near the plugnut and once near the core. In some other designs, the core tube is not closed but rather an open tube that slips over one end of the plugnut. To retain the plugnut, the tube might be crimped to the plugnut. An O-ring seal between the tube and the plugnut will prevent the fluid from escaping.
The solenoid coil consists of many turns of copper wire that surround the core tube and induce the movement of the core. The coil is often encapsulated in epoxy. The coil also has an iron frame that provides a low magnetic path resistance.
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