valve well valve

Abstract

The invention discloses a novel valve well valve which comprises a gate plate, a valve body, a lower supporting base, supporting rods, an upper supporting base, pull rods, a top arm and a pull arm, wherein the valve body is fixedly mounted on a tube opening of a blow-down tube in a valve well, and an emptying tube is arranged on the well wall opposite to the blow-down tube; the supporting rods are separately mounted on side corner positions of the top surface of the valve body; the upper ends of the supporting rods are connected with the upper supporting base in a penetrating mode, and the middle parts of the supporting rods are connected with the lower supporting base in the penetrating mode; the pull rods are mounted at the two ends of the pull arm; the pull arm is in blocking connection with the gate plate through a blocking slot, and is connected with the gate plate through a penetrating pin; and the top arm is arranged above the upper supporting base, and is connected to the upper ends of the pull rods in the penetrating mode. The valve is simple in structure, is low in manufacturing cost, is long in service life, is simple to mount, is convenient to maintain, is free of repair, is low in opening or closing labor intensity, is high in working efficiency, and is free of hidden danger in aspect of safety, completely can overcome the defects caused by a conventional valve well valve, meets application needs, and changes the condition that an existing technology is laggard.

Description

technical field [0001] The invention belongs to the equipment field of sewage treatment industry, and in particular relates to a novel valve well valve for sewage treatment. Background technique [0002] In sewage treatment projects, according to the needs of the production process, some valves need to be installed in "well pits". Such "well pits" are called valve wells. The depth of the valve well is generally about 2 meters, and the width ranges from 1 to 2 meters, such as the vent valve of the oxidation ditch, the vent valve of the hydrolysis tank, etc. When the traditional valve well valve is opened or closed, the operator needs to go down into the well and rotate it by hand. figure 1 The valve hand wheel 1 is shown, and then the hand wheel 1 drives the valve stem 2, and the valve stem 2 pulls or compresses the gate 4 through the rotation of the valve stem nut and the bearing assembly 3, so that the gate 4 moves little by little. A long rise or fall forces the valve to...

AI Technical Summary

Problems solved by technology

[0005] 1. The installation position of the valve in the valve well is low, the space in the well is small, it is not easy to stand, and it is not easy to exert force, resulting in time-consuming and laborious operation

[0006] 2. Sewage and sludge have accumulated in the valve well for a long time, which has a strong odor and is difficult to operate

[0007] 3. The moisture in the valve well and the erosion of acid, alkali and salt will easily lead to corrosion and corrosion of the parts of the valve, resulting in inflexible opening and closing of the valve, which cannot be opened and closed by conventional methods, and requires additional relay tools to do it reluctantly, which is time-consuming and labor-intensive

[0011] The above two major reasons lead to the traditional valve well closed and opened with high labor intensity, low work efficiency and poor safety guarantee, which directly affect the progress of production and lead to a decrease in operating efficiency

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