Patent SK-288924-B6 (SK)
Title: Device for testing the flow properties of filtration materials
Inventor: HUJO ĽUBOMÍR
IPC: G01N15/00
Filed: 2017-10-17
Abstract: Device for testing the flow characteristics of the filtering materials consists of a reference measuring circuit (A), a test measuring circuit (B) and a recording and evaluation circuit (C), while the reference measuring circuit (A) consisting of an electric motor (6) connected with frequency converter (5) for adjusting and maintaining the desired speed of the first tandem hydrogenerator section (2A) from a minimum to a maximum, while the first tandem hydrogenerator section (2A) being coupled to the electric motor (6) via a first clutch (3) and between the electric motor (6) a first speed sensor (4) is located, and a first safety valve (8) is connected to the output of the first section (2A) of the tandem hydrogenerator and a first tank (7) is disposed in the lower part of the reference measuring circuit ) to the working fluid, and the first tank (7) is connected to the first heater (1) and to the first section ( 2A) of the tandem hydrogenerator for sucking the working fluid into the first three-way valve (12), and a first pressure sensor (9), a first flow sensor (10) and a first sensor (11) are arranged between the first heater (1), the first three-way valve (12) being connected to the first original filter (13) and the first tested filter (16), and the first original filter (13) and the first tested filter (16) are connected with the second three-way valve (15), and a first sampling outlet (17), a second pressure sensor (19), a second flow sensor (18), a second temperature sensor (21) and a first and the reference measuring circuit (A) is bi-directionally connected to the measuring measuring circuit (B) via the first tandem hydrogenerator section (2A) via the second measuring circuit (B) a second tank (23) for the working fluid, and a second tank (23) is connected to the second heater (22) and to the second tandem section (2B) of the tandem hydrogenerator section (2B) to the third three-way valve (28), and the outlet of the second tandem hydrogenerator section (2B) is connected to the second relief valve (24), a second sensor (22) and a third three-way valve (28) third sensor (26) flow, a third temperature sensor (27) and a third three-way valve (28) is connected to the second original filter (29) and the second test filter (32), and the second original filter (29) and a second tested filter (32) connected to the fourth three-way valve (31), and a second outlet (33) for receiving a second outlet (33) between the fourth three-way valve (31) and the second cooler a fourth pressure sensor, a fourth flow sensor, a fourth temperature sensor, and a second throttle valve, the second cooler being connected to the second tank at the output, all sensors , a first temperature sensor, a second temperature sensor, a third temperature sensor (27), a fourth temperature sensor (37), a first flow sensor (10), a second flow sensor (18), a third flow sensor (26) the fourth pressure sensor, the first pressure sensor, the second pressure transducer, the third pressure sensor, the fourth pressure sensor and the frequency converter are bi-directionally interconnected with the computer (38) in a recording and evaluation circuit (C) for transmitting and processing the recorded data.