Gasification system of hydraulic network is gasification of central nervous system, it is tough to perform the signal from the microcomputer instruction, and transmit power drive hydraulic valve switch gas flow, complete work cycle. As a hydraulic valve opening and closing of the actuator in place of the compactness of movement accuracy, the closed and open the utility ratio of the size, the opening and closing speed and strong sex and operation efficiency. Operate directly affect the gas stove safe sex and operation efficiency. To guarantee and progress, the quality and performance of hydraulic valve, the request to the valve for improvement on the design, manufacture and select material to mention in such aspects as level, on the level. Hydraulic valves from gasification application point of view, according to the process of the valve, belongs to the full open and full closed valves, request to open, close to close. The role is to switch the gas, to complete the transformation of the interface, a round robin. Along with the progress of the gas stove continuous operation can, once new consumption characteristics on the performance of the valve and quality put forward higher request. Thus each manufacturer, should be doubly pay attention to the quality and the performance of the hydraulic valves. Before people can only focus on the valve can be locked and using life. The new idea about this question is thought, the above two questions are important, but only emphasize the above two aspects are not enough, also pay attention to the opening of the valve, the effective size utility ratio. This, is in the process of gasification technology to carry out another concluded that can restrict the gas stove operation efficiency of the new problem. Nearly a decade of gasification technology reform, and constantly expanding diameter lay particular stress on a gas stove and high aspect ratio, bold pipeline and simplify the process. Aimed at progress gasification efficiency, progress of single furnace consumption can thus to conform to the system of extended from time to time consumption, eliminate small stove rows, thermal efficiency is low. But, after some manufacturers process piping expansion, due to the hydraulic valve selection is not correct. The resistance can be reduced according to the request of design, the benefit of the investment failed to full play. Reason lies in the selection of hydraulic valve design is lack of the opening is not enough, so the valve plate occupy a certain passage area, produce resistance constitutes thetime phenomenon. To address this problem, it is necessary from the design plan of improvement. To menstruation utility ratio effectively, reduce the resistance, progressive firm sex operation, reduce the fault rate for the purpose. On hydraulic gate valve, valve, butterfly valve, stop a series of improvement. The improved (hydraulic gate valve Hereinafter referred to as the gate valve) Today the gate valve in small nitrogenous fertilizer industry application of gasification system still match. The location of the most used when blowing valve, nearly 70% of single furnace system is using one gate valve, add 1 hydraulic butterfly valve is a valve set is used for charging air valve position. The gate valve on the duct by valve device in a straight line connecting corners, blowing should not produce resistance. But, can flow resistance is small? There are two sides to the original design of the gate valve is the lack of a complex structure in one is easy and high fault rate, high maintenance costs. 2 is not enough ram stroke, open the gate with 20% ~ 25% when suspended in valve mouth, you will not come up resistance. Improvement measures: ( 1) Internal parts improvement, a number within the original design, structure, connection and fastening method is not reasonable. Practice for blowing the damper valve fault impact on the consumer consumption has the highest probability, the old gate trim, a total of 12 items: ram under two pieces, a valve core, a wedge, higher iron two parts, the connecting bolt earrings two, four, complex structure, split, is very difficult. After improvement, inside is divided into six parts, cut in half. By two pieces of tape, from the claw buckle under the ram and a wedge, a wedge. Four pieces after a clever hook, hanging network it a set of each other. When opening and closing up, shrinkage. （ 2) Improvement on the valve stem and wedge joint way, for the original connection way, the original design of the valve stem bottom for & other; T” Glyph structure, and at the top of the valve core & other; 。 ” Buckle groove GouGua connection, the agency activity clearance, easily shattered. Improvement measures: on the upper wedge set internal thread hole. Remove stem & other; T” Glyph head and bottom outside instead of on the screw head and fastening wedge into an organic whole, to prevent out of stock. Improved features: simple structure, and not easily, use cycle is long, the trouble rate is reduced by more than 60%. （ 3) plate improvement schedule and progress of valve plate height is not directly affect the traffic, reduced size equals here. Landed the efficiency of blowing, blowing time extended. Modified the design of both can make all open valve plate and add, played a bit, make the old design plan to effectively handle problems. 2, new type hydraulic Industrial Valves seat ( Hereinafter referred to as the plate valve) Plate valve in the gas system applications and the dosage the biggest, to DN1000, small to 3/4 '. Specifications, peace butterfly valve position, other valve position all can use the valve seat. Therefore, the meaning of the plate valve is improved.
double flanged gate valve os&y valve, as the name suggests, find extensive use in os & y valve fire protection institutions. Since resilient valve has become much dependent on technology in today's world, there is wide use of such flanged gate valve.
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