Membrane concentration miniature test device

Abstract

The invention discloses a membrane concentration miniature test device which comprises a plate type membrane component, a water-generating beaker, a water-concentrating beaker, a raw water beaker, a trace high-pressure pump, a pressure gage needle valve, a concentrated water flow meter, a safety valve, a pulse damper, a check valve and a high pressure needle valve, wherein the raw water beaker is connected with an inlet of the trace high-pressure pump; the trace high-pressure pump is in parallel connection with the safety valve; an outlet of the trace high-pressure pump is connected with the inlet of the check valve; the pulse damper is arranged on a pipeline connected with the trace high-pressure pump and the check valve; the outlet of the check valve is connected with the inlet of the high pressure needle valve; the outlet of the high pressure needle valve is connected with a raw water inlet of the plate type membrane component; a generated water outlet of the plate type membrane component is connected with the water-generating beaker; a concentrated water outlet of the plate type membrane component is connected with the inlet of the pressure gage needle valve; the outlet of the pressure gage needle valve is connected with the inlet of the concentrated water flow meter; and the outlet of the concentrated water flow meter is connected with the concentrated water beaker. The whole set of test device is simple in operation, requires low water sample volume, can simulate the practical working condition and can accurately test the membrane processing data.

Description

technical field [0001] The invention relates to the technical field of environmental protection wastewater treatment, in particular to a micro-experimental device for membrane concentration. Background technique [0002] Membrane separation technology refers to the selective separation of a mixture of molecules with different particle sizes at the molecular level when passing through a semi-permeable membrane. The semi-permeable membrane is also called a separation membrane or a filter membrane. For: microfiltration membrane (MF), ultrafiltration membrane (UF), nanofiltration membrane (NF), reverse osmosis membrane (RO), etc., membrane separation adopts cross-flow filtration. [0003] Membrane separation technology has been widely used in food, medicine, biology, Environmental protection, chemical industry, metallurgy, energy, petroleum, water treatment, electronics, bionics and other fields have produced huge economic and social benefits, and have become one of the most im...

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Problems solved by technology

[0005] In order to solve the deficiencies in the above-mentioned background technology, the present invention provides a micro-experimental device for membrane concentration, which mainly solves the problem that in the process of membrane treatment process design, the range of membrane process parameters is too wide, lacks accurate design basis, and the demand for membrane test water samples Large size, high equipment cost, low flexibility of membrane test device, etc.

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