Hydraulic filter is a kind of filter equipment specially used to filter various impurities such as rust, cast sand, welding slag, iron filings, paint, paint leather and cotton yarn filings in the hydraulic system.
The hydraulic filter is mainly composed of two parts, a filter element and a shell. The filter element filters out the larger particles of impurities in the oil, thus ensuring the normal operation of the hydraulic system.
The main working principle of hydraulic filter is as follows:
1. Normal non-blocking conditions:
First, the hydraulic oil enters the filter through the pipeline; then the hydraulic oil flows from the outer filter element of the filter to the inner core and then flows out from the outlet.
2. Abnormal blockage:
First of all, the hydraulic oil enters the filter from the pipeline. When the hydraulic oil enters the outer filter element and becomes blocked, the pressure will increase at this time, so that the overflow valve of the hydraulic filter will open the pressure, causing the oil to overflow The flow valve passes through to the inner core, and then flows out from the outlet.
The inner filter element of the hydraulic filter belongs to the coarse filtration. It can be seen that the outer filter element has a higher precision than its inner filter element.
By analyzing the working principle of the hydraulic filter under normal non-clogging and abnormal clogging, we can clearly understand how the hydraulic filter works.
The hydraulic filter is a special filtering equipment for filtering various impurities in the hydraulic system. Its application field is also very extensive, mainly involving the following areas.
Metallurgical applications: In the metallurgical industry, hydraulic filters are mainly used to filter the hydraulic systems of rolling mills and continuous casting machines and to filter various lubricating equipment.
Petrochemical applications: In the petrochemical industry, hydraulic filters are mainly used for the separation and recovery of products and intermediate products in the oil refining and chemical production processes, as well as the filtration of oilfield injection water and natural gas particles.
Textile application: In the textile industry, hydraulic filters are mainly used for the purification and uniform filtration of polyester melt in the drawing process and the protection and filtration of air compressors.
Electronic and pharmaceutical applications: In the electronics and pharmaceutical industries, hydraulic filters are mainly used for pre-treatment filtration of reverse osmosis water and deionized water, and pre-treatment filtration of washing liquid and glucose.
Application of thermal power and nuclear power: In thermal power and nuclear power industry, hydraulic filters are mainly used in the lubrication system of fender-lined gas turbines, boilers, speed control systems, bypass control systems, oil purification, feed water pumps, fans and dust removal systems Purify.
Application of mechanical processing equipment: In the mechanical processing equipment industry, hydraulic filters are mainly used for the lubrication system of papermaking machinery, mining machinery, injection molding machines and large precision machinery, the purification of compressed air, the filtration of tobacco processing equipment and spraying equipment.
It can be seen from the above description that hydraulic filters have important applications in many very important industries.