Ball core type pulse valve

Abstract

A spherical core type pulse valve comprises a valve body, a coping, an air duct and an electromagnetic valve; wherein, the coping is installed on the top of the valve body by adopting a bolt, a rubber pad used for sealing is arranged between the coping and the top of the valve body, the valve body is provided with an upper cavity and a lower cavity, and the upper cavity controls the pressure in the upper cavity by the opening and closing of the air duct; the air duct is provided with a regulating hole, and the electromagnetic valve controls the opening and closing of the air duct by the regulating hole on the air duct; the side wall of the valve body is provided with an air inlet connected with the lower cavity. The pulse valve is characterized in that the upper cavity and the lower cavity are provided with columniform cavity sections, the axes of which can be positioned along the vertical direction, and the columniform cavity sections are internally provided with spherical valve plugs that form clearance fit together with the inner wall of the columniform cavity sections; an air outlet which is connected with the lower cavity is arranged at the bottom of the valve body, and the lower surface of the valve plug is matched with the air outlet. The invention aims at providing the spherical core type pulse valve having small volume, low running cost, long service life, large ventilation quantity and good dust removing performance.

Description

technical field [0001] The invention relates to a magnetic force operating device, in particular to a pulse valve in which fluid acts on a ball core. Background technique [0002] The pulse valve is commonly used in the bag dust collector in the environmental protection industry and is the main component of the dust removal device. The pulse valve is set between the pressure air bag and the bag chamber, and can quickly connect the pressure gas pipeline according to the instruction of a very short pulse, so that the pressure gas enters the dust bag chamber of the bag filter through the pipeline instantaneously. Blow to achieve the purpose of dust removal. At present, the pulse valve commonly used in the bag filter is as follows: Figure 7 The double-diaphragm pulse valve shown includes a valve body 13', a top cover 2', an air passage 8' and a solenoid valve 3'. The top of the valve body 13' is fixed with a top cover 2' by bolts, and the top cover 2 There is an air channel 8...

AI Technical Summary

Problems solved by technology

During use, due to the limitation of the design structure and the elastic properties of the rubber material, the degree of upward movement of the rubber diaphragm is limited, resulting in a limited flow rate of the pressure gas passing through the outlet pipe 21' per unit time, resulting in back blowing. Gray effect is relatively poor

In addition, due to the harsh working conditions, the rubber diaphragm 20 is prone to fatigue and aging, making it the main wearing part and needs to be replaced frequently, which not only increases the operating cost of the equipment, but also affects the operating efficiency of the bag filter

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