High efficiency maintenance-free storage tank cabin top dust collection device

Abstract

The invention concretely relates to a high efficiency maintenance-free storage tank cabin top dust collection device on an aluminum oxide concentrated phase and dilute phase transportation tail end aluminum oxide storage tank in the aluminum electrolysis production enterprises. The dust collection device comprises an air source device and a dust collection box. The upper part of the dust collection box is provided with an air outlet and the lower part thereof is matched with an exhaust port on the top of the aluminum oxide storage tank cabin in structure. The air source device transfers air to a nozzle in the dust collection box through a pipeline thereof. The box body of the dust collection box is divided into an upper cavity and a lower cavity through a clapboard. The pipeline provided with the nozzle and transferring the air is located at the upper cavity. Filter drums are located at the lower cavity and are suspended on the clapboard. The nozzles correspond to a plurality of filter drums one to one. The invention has large air volume. A pulse valve controlled pulse can jet air to the filter drums at regular time in order to clean the dust in the filter drums and eliminate the hidden danger of the severe damage on the dust collection device. The enterprises do not have to assign professional maintenance staff. The invention does not maintenance, saves the production cost and ensures the continuity of production.

Description

1. Technical field [0001] The invention specifically relates to a high-efficiency and maintenance-free storage tank top dust collector on an alumina storage tank at the end of alumina dense phase and dilute phase conveying in an aluminum electrolysis production enterprise. It is installed on the top of the storage tank, which can greatly reduce the emission of dust pollutants in the enterprise. 2. Background technology [0002] At present, the state attaches great importance to environmental protection, and has invested a lot of manpower and material resources to improve the sewage and dust removal equipment of industrial enterprises. However, in the production of aluminum electrolysis enterprises, the filter material of the dust collection device on the top of the alumina storage tank at the end of the alumina dense phase and dilute phase conveying is generally made of polyester needle-punched filter. Although the dust collection device using this filter material has a cer...

AI Technical Summary

Problems solved by technology

Although the dust collection device using this filter material has a certain dust collection effect, the bag is replaced frequently, the filtering wind speed is not high, the dust collection device is huge, and maintenance is difficult, especially when the position of the dust collection device on the tank top has been determined. Under such circumstances, the use of this kind of filter material cannot guarantee the transportation of the dilute phase of the alumina material. Since the gas in the tank cannot be discharged in time, the dust collection device is seriously deformed or even scrapped, causing a large amount of alumina in the tank to overflow, and it is very difficult to repair, which seriously affects the enterprise. normal production, and even cause environmental pollution accidents

At the same time, because the hanging of the filter bag is difficult to be reliable, in practical applications, due to the erosion of the environment, the filter bag often falls off, causing the blockage of the feeding port in the storage tank, resulting in problems such as poor feeding, affecting the normal production of the enterprise

Encountering the above problems, the enterprise can only replace the filter bag frequently to ensure the stability of the air volume processed by the filter bag, which causes a great waste of manpower and financial resources to the enterprise, and greatly increases the production cost

In this regard, there is currently no very good solution in the country

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