Material-level detecting device of dust collector ash hopper

Abstract

The invention relates to a material-level detecting device of a dust collector ash hopper, which comprises a dust collector ash hopper, wherein the lower part of the dust collector ash hopper is provided with a pressure transmitter; a pressure conducting pipe is arranged on the pressure transmitter; the other end of the pressure conducting pipe which is correspondingly connected with the pressure transmitter is provided with a detecting pipe; the detecting pipe is communicated with the pressure conducting pipe; and the other end of the detecting pipe which is correspondingly connected with the pressure conducting pipe extends into the dust collector ash hopper. In the invention, when the dust content of the dust collector ash hopper is lower than the installation height of the detecting pipe, the pressure defected by the pressure transmitter is equal to negative pressure in the dust collector ash hopper; when the dust content exceeds the installation height of the detecting pipe, the pressure detected by the pressure transmitter is zero, and the corresponding dust content can be obtained; the detecting pipe is correspondingly matched with the pressure transmitter, which prevents the detecting malfunction of a contact type material-level switch; and compressed air in a compressed-air pipe can be used for blowing the inside of the detecting pipe, which prevents dust from blocking the detecting pipe. The invention has the advantages of simple structure, convenient installation and use, high detecting precision, safety and reliability.

Description

technical field [0001] The invention relates to a material level detection device, in particular to a material level detection device for a dust collector ash hopper, in particular to a material level detection device for a negative pressure system of a dust collector ash hopper by using a pressure transmitter. Background technique [0002] The dust hopper of the dust collector is a part of the dust collector used for temporary storage and collection of dust; in order to remove the amount of dust existing in the dust hopper of the dust collector, a material level switch is generally set on the dust hopper of the dust collector to detect the amount of dust stored in the dust hopper of the dust collector. [0003] Generally, the ash hopper of the dust collector adopts a contact material level switch, that is, the material level switch is in direct contact with the dust; when the material level switch touches the dust, it means that the storage position of the dust has reached t...

AI Technical Summary

Problems solved by technology

However, the use of the above-mentioned contact level switch has certain limitations. When the dust in the ash hopper of the dust collector is viscous, it will cause the dust to adhere to the material level switch, regardless of whether the dust storage height reaches the level installed by the material level switch. position, the dust adhering to the material level switch will still cause the material level switch to send out a material level signal, resulting in false alarms and affecting the normal use of the ash hopper of the dust collector

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