A Two-Stage Coating Heterogeneous Synchronous Composite Membrane Preparation Device

Abstract

The invention discloses a two-stage coating heterogeneous synchronous composite film preparation device, which includes a support base, a tensile testing machine, a weighing mechanism, a filtering mechanism, a quantitative water tank and a conduction mechanism, and the tensile testing machine is installed through a bracket On the top of one end of the support base, the weighing mechanism is set on the top of the support base. When this two-stage coating heterogeneous synchronous composite membrane preparation device and device are used, the membrane module is installed in the filter mechanism and weighed by the weighing mechanism. , and then continuously feed a fixed amount of fixed mixed solution through the quantitative water tank. After the mixed solution is continuously filtered, it is weighed by a weighing mechanism, and the weight of the filtered impurities can be weighed, so as to obtain the filtration performance of the membrane module , and then the tensile strength test can be carried out by setting the membrane module in the tensile test filter mechanism of the tensile testing machine, so that the process can be effectively reduced in the quality inspection process, and the quality inspection is convenient, thereby improving its production efficiency.

Description

technical field [0001] The invention relates to the technical field of hollow fiber membrane preparation, in particular to a two-stage coating heterogeneous synchronous composite membrane preparation device. Background technique [0002] As environmental problems have become increasingly prominent in recent years, water resource issues have received more and more attention. Membrane technology has been widely used in the field of water treatment due to its high treatment efficiency, small footprint, and long service life. In recent years, the MBR (Membrane Bioreactor) lining membrane, which has received attention, replaces the traditional secondary sedimentation tank, and ensures a high sludge concentration while stabilizing the effluent. [0003] However, the spinneret used in traditional production can only achieve single-layer coating or multi-layer coating at intervals. The problems of this spinneret: (1) It has little effect on improving product performance; (2) Interva...

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Problems solved by technology

[0003] However, the spinneret used in traditional production can only achieve single-layer coating or multi-layer coating at intervals. The problems of this spinneret: (1) It has little effect on improving product performance; (2) Interval multi-layer coating Coating, the preparation process is cumbersome; (3) The production cost is high, and there are problems in the correspondingly prepared single-layer or two-layer composite hollow fiber membrane: (1) The performance of the membrane product is single, and the quality cannot be improved very well; (2) Interval multi-layer coating is used, the adhesion between layers is poor, and it is easy to peel off; (3) The production process is complicated and the efficiency is low. testing and tensile strength performance testing, and when performing filtration performance testing and tensile strength testing respectively, it is necessary to disassemble and assemble the membrane module many times, which is very inconvenient, making the testing process numerous and complicated, and affecting the normal production process. The efficiency of quality inspection will affect the production and processing efficiency of finished products. Therefore, we propose a two-stage coating heterogeneous synchronous composite film preparation device

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