CN-116008155-B - Testing device and method for applicable working conditions of filter material

CN116008155BCN 116008155 BCN116008155 BCN 116008155BCN-116008155-B

Abstract

The invention relates to the technical field of filter material testing, in particular to a device and a method for testing the applicable working condition of a filter material. The testing device comprises a storage tank and a testing component, wherein the testing component is connected with the storage tank through a main pipeline, a first valve, a flow sensor and a power pump are arranged on the main pipeline, the testing component comprises a plurality of branch pipelines which are connected in parallel with each other and a clamping component arranged on all branch pipelines, the clamping component is used for clamping a filter material to be tested, each branch pipeline is communicated with the main pipeline, an injection port, a front reserved port and a rear reserved port are arranged on each branch pipeline, the injection port is used for injecting test particles with preset concentration and preset particle size into the branch pipeline, and the front reserved port and the rear reserved port are both used for connecting detectors for detecting the number of the particles or the concentration of the particles. The scheme of the invention can simply judge the applicable working condition of the filter material.

Inventors

XU JUN
WANG LEI
LU LIANGYUAN
CHEN WENWEN
ZHU MINGHUA
YANG CHAO
SHI YUQIANG
QIAN HUI
Yao Jialan
YANG LIANMIN
CAO JIAYUE

Assignees

南京玻璃纤维研究设计院有限公司

Dates

Publication Date: 20260505
Application Date: 20230203

Claims (6)

1. A testing arrangement of filter media suitable operating mode, characterized by includes: A storage tank for storing a test medium; The test assembly is connected with the storage tank through a main pipeline, a first valve, a flow sensor and a power pump are arranged on the main pipeline, the first valve is used for adjusting the flow of test media flowing through the main pipeline, the flow sensor is used for detecting the flow of the test media flowing through the main pipeline, and the power pump is used for pumping the test media from the storage tank to the test assembly; the test assembly comprises a plurality of branch pipelines connected in parallel and clamping assemblies arranged on all the branch pipelines, the clamping assemblies are used for clamping filter materials to be tested, each branch pipeline is communicated with the main pipeline, an injection port, a front reserved port and a rear reserved port are formed in each branch pipeline, test media sequentially flow through the injection port, the front reserved port, the clamping assemblies and the rear reserved port, the injection port is used for injecting test particles with preset concentration and preset particle size into the branch pipelines, and the front reserved port and the rear reserved port are both used for being connected with a detector for detecting the number of the particles or the concentration of the particles; determining the most proper target concentration and target particle diameter of the filter material to be tested by changing the concentration and particle diameter of the test particles flowing through different branch pipelines, and determining the target area of the filter material to be tested required by each finished filter element based on the working condition to be applied of the filter material to be tested and the filtering amount of the filter material to be tested in unit time and unit area; The clamping assembly comprises two first clamping plates used for clamping the filter material to be tested, each first clamping plate is provided with a plurality of first openings, the first openings of the two first clamping plates correspond to each other in pairs, and the first openings are used for receiving test media conveyed from the branch pipeline; the clamping assembly further comprises two second clamping plates used for clamping the two first clamping plates, each second clamping plate is provided with a plurality of second openings, the first openings of the two second clamping plates correspond to each other, the second openings are connected with the branch pipelines, and gaskets for reducing the caliber of the first openings can be installed in the first openings; A steady flow structure is arranged in each second opening of the second clamping plate positioned at the outlet side of the clamping assembly, and the steady flow structure is used for enabling test medium in the clamping assembly to flow out stably; the steady flow structure comprises a through hole structure with a concentric circular or spiral cross section.
2. The device for testing the applicable working conditions of the filter material according to claim 1, wherein the second openings are arranged in one row, the first openings are arranged in at least two rows, and the number and the interval of each row of the first openings respectively correspond to the number and the interval of the second openings.
3. The device for testing the applicable filter material working conditions according to claim 1, wherein each branch pipe positioned at the inlet side of the clamping assembly is provided with a second valve, and the opening of the second valve comprises 0% and 100%.
4. The device for testing the applicable filter material conditions according to claim 1, wherein the two first clamping plates and the two second clamping plates are made of transparent materials.
5. The apparatus according to any one of claims 1 to 4, further comprising a purifier connected to the tank and the test assembly via the main pipe, respectively.
6. A method for testing the applicable condition of a filter material, characterized in that the device for testing the applicable condition of the filter material according to any one of claims 1 to 5 is adopted, comprising: clamping the filter material to be tested by using the clamping assembly; injecting the test medium into the storage tank, setting the flow rate of the test medium flowing through the main pipeline, and starting the power pump; the test particles with the same concentration and different particle diameters are respectively injected into the injection ports of part of the branch pipelines, and the most suitable target particle diameter of the filter material to be tested is determined; Respectively injecting test particles with target particle diameters and different concentrations into injection ports of the rest branch pipelines, and determining the most suitable target concentration of the filter material to be tested; And determining the target area of the filter material to be tested required by each finished filter element based on the working condition to be applied of the filter material to be tested and the filtering amount of the filter material to be tested in unit time and unit area.

Description

Testing device and method for applicable working conditions of filter material Technical Field The invention relates to the technical field of filter material testing, in particular to a device and a method for testing the applicable working condition of a filter material. Background With the development of society, the demand of the filter element for high-efficiency liquid filtration is gradually increased, the test method and the device for the filtration performance of the filter element in the prior art are relatively mature, however, the test method for the filtration performance of the filter material which plays a core role in the filter element is rarely seen, in the actual production process, people mostly test the air filtration efficiency of the filter material or the aperture of the filter material, deduce the liquid filtration efficiency and the applicable precision according to experience, but the reliability of the obtained result is not strong. Meanwhile, along with development of scientific research, a plurality of filter materials which do not reach the research and development target precision are discarded, and the existing testing means is not limited to evaluation of the filter materials under specific working conditions, but a testing method capable of determining the most applicable working conditions of the filter materials is further developed. Therefore, how to design a testing device and a testing method for easily judging the applicable working condition of the filter material becomes a problem to be solved. Disclosure of Invention The embodiment of the invention provides a device and a method for testing the applicable working condition of a filter material, which can simply judge the applicable working condition of the filter material. In a first aspect, an embodiment of the present invention provides a device for testing a working condition of a filter material, including: A storage tank for storing a test medium; The test assembly is connected with the storage tank through a main pipeline, a first valve, a flow sensor and a power pump are arranged on the main pipeline, the first valve is used for adjusting the flow of test media flowing through the main pipeline, the flow sensor is used for detecting the flow of the test media flowing through the main pipeline, and the power pump is used for pumping the test media from the storage tank to the test assembly; the test assembly comprises a plurality of branch pipelines connected in parallel and clamping assemblies arranged on all the branch pipelines, the clamping assemblies are used for clamping filter materials to be tested, each branch pipeline is communicated with the main pipeline, an injection port, a front reserved port and a rear reserved port are formed in each branch pipeline, test media sequentially flow through the injection port, the front reserved port, the clamping assemblies and the rear reserved port, the injection port is used for injecting test particles with preset concentration and preset particle size into the branch pipelines, and the front reserved port and the rear reserved port are both used for being connected with a detector for detecting the number of the particles or the concentration of the particles; And determining the target area of the filter material to be tested required by each finished filter element based on the working condition to be applied of the filter material to be tested and the filtering amount of the filter material to be tested in unit time and unit area. In one possible design, the clamping assembly comprises two first clamping plates for clamping the filter media to be tested, each first clamping plate is provided with a plurality of first openings, the first openings of the two first clamping plates correspond to each other, and the first openings are used for receiving test media conveyed from the branch pipelines. In one possible design, the clamping assembly further comprises two second clamping plates for clamping the two first clamping plates, each second clamping plate is provided with a plurality of second openings, the first openings of the two second clamping plates correspond to each other, the second openings are connected with the branch pipes, and gaskets for reducing the caliber of the first openings can be installed in the first openings. In one possible design, the second openings are arranged in a row, the first openings are arranged in at least two rows, and the number and the interval of the first openings in each row respectively correspond to the number and the interval of the second openings. In one possible design, a flow stabilizing structure is provided in each second opening of the second clamping plate on the outlet side of the clamping assembly for stabilizing the flow of test medium in the clamping assembly. In one possible design, the flow stabilizing structure comprises a through-hole structure with a concentric circular or spiral cross-sectio