阅读说明：本技术 动态膜过滤装置 (Dynamic membrane filtering device ) 是由 吴夕松 于 2021-03-24 设计创作，主要内容包括：本发明公开一种动态膜过滤装置,过滤液输送管的上端旋转插设穿过上旋转安装孔,过滤液输送管的下端密封的旋转插设穿过下旋转安装孔,过滤液输送管固插穿过固套孔从而使过滤膜片固套于过滤液输送管之上,过滤液输送管正对固套孔的内壁处开设有出水孔,过滤罐的侧壁的上部开设有进水口,过滤罐的侧壁的下部开设有排污口,排污口中装设排污阀,过滤膜片位于排污口之上方且位于进水口之下方,过滤膜旋转驱动机构位于过滤罐之外,过滤膜旋转驱动机构的输出端与过滤液输送管的上端相接。该动态膜过滤装置过滤过程中,过滤膜片作旋转动作,从而将沉积的污迹挥掉,保持过滤膜片干净,使过滤膜片的使用寿命延长,减少过滤膜片的更换次数从而节约成本。(The invention discloses a dynamic membrane filtering device, wherein the upper end of a filtrate conveying pipe is rotatably inserted through an upper rotating mounting hole, the lower end of the filtrate conveying pipe is hermetically and rotatably inserted through a lower rotating mounting hole, the filtrate conveying pipe is fixedly inserted through a sleeve fixing hole so as to fixedly sleeve a filtering membrane on the filtrate conveying pipe, a water outlet hole is formed in the inner wall of the filtrate conveying pipe, which is opposite to the sleeve fixing hole, a water inlet is formed in the upper part of the side wall of a filtering tank, a sewage discharge outlet is formed in the lower part of the side wall of the filtering tank, a sewage discharge valve is arranged in the sewage discharge outlet, the filtering membrane is positioned above the sewage discharge outlet and below the water inlet, a filtering membrane rotating driving mechanism is positioned outside the filtering tank, and the output end of the filtering membrane rotating driving mechanism. In this developments membrane filter equipment filtration process, the filter membrane makes rotation action to volatilize sedimentary stain, keep the filter membrane clean, thereby make the life extension of filter membrane, thereby reduce the change number of times of filter membrane and practice thrift the cost.)

1. A dynamic membrane filtration device, characterized by: the filter comprises a filter tank, a filter membrane, a filtrate conveying pipe and a filter membrane rotation driving mechanism, wherein the top and the bottom of the filter tank are respectively provided with an upper rotation mounting hole and a lower rotation mounting hole, the upper end of the filtrate conveying pipe is rotatably inserted and penetrates through the upper rotation mounting hole, the lower end of the filtrate conveying pipe is hermetically and rotatably inserted and penetrates through the lower rotation mounting hole, the filter membrane is arranged in the filter tank, the middle part of the filter membrane is provided with a fixed sleeve hole, the filtrate conveying pipe is fixedly inserted and penetrates through the fixed sleeve hole so as to enable the filter membrane to be fixedly sleeved on the filtrate conveying pipe, the filtrate conveying pipe is just opposite to the inner wall of the fixed sleeve hole and is provided with a water outlet, the upper part of the side wall of the filter tank is provided with a water inlet, the lower part of the side wall of the filter tank is provided with a sewage discharge outlet, and the, the outer end of blow off pipe extends to the outside of crossing the jar, in the blow off pipe in the blowoff valve has been installed in the outside of crossing the jar, filter membrane is located the top of drain just is located the water inlet below, filtration membrane rotary drive mechanism is located outside the jar of crossing, filtration membrane rotary drive mechanism's output with the upper end of filtrating conveyer pipe meets, is used for the drive the filtrating conveyer pipe is rotatory.

2. The dynamic membrane filtration device according to claim 1, wherein: the filtering membrane rotary driving mechanism comprises a motor, a driving wheel, a driven wheel and a transmission belt, the driving wheel is connected with an output shaft of the motor, the driven wheel is fixedly connected with the upper end of the filtrate conveying pipe, and the transmission belt is wound on the driving wheel and the outside of the driven wheel.

3. The dynamic membrane filtration device according to claim 1, wherein: the upper bearing is mounted at the upper part of the upper rotary mounting hole, the upper end of the filtrate conveying pipe is fixedly inserted through the inner ring of the upper bearing, and the upper sealing ring is mounted in the upper rotary mounting hole and attached below the upper bearing; the lower bearing is arranged at the lower part of the lower rotary mounting hole, the lower end of the filtrate conveying pipe is fixedly inserted through the inner ring of the lower bearing, the lower sealing ring is arranged in the lower rotary mounting hole and attached above the lower bearing, and the lower sealing ring is sleeved outside the filtrate conveying pipe.

Technical Field

The invention relates to the field of sewage treatment devices, in particular to a dynamic membrane filtering device.

Background

The general fixed mounting of filter membrane of present filter in filtering jar, use after a certain period, thereby the more and more stain deposit of filter membrane need be changed or dismantle the washing.

Disclosure of Invention

The present invention is directed to a dynamic membrane filtration device to solve the above-mentioned problems.

In order to achieve the purpose, the technical scheme of the invention is as follows: the dynamic membrane filtering device comprises a filtering tank, a filtering membrane, a filtering liquid conveying pipe and a filtering membrane rotation driving mechanism, wherein the top and the bottom of the filtering tank are respectively provided with an upper rotation mounting hole and a lower rotation mounting hole, the upper end of the filtering liquid conveying pipe is rotatably inserted into and penetrates through the upper rotation mounting hole, the lower end of the filtering liquid conveying pipe is hermetically and rotatably inserted into and penetrates through the lower rotation mounting hole, the filtering membrane is arranged in the filtering tank, the middle part of the filtering membrane is provided with a fixing sleeve hole, the filtering liquid conveying pipe is fixedly inserted into and penetrates through the fixing sleeve hole so as to enable the filtering membrane to be fixedly sleeved on the filtering liquid conveying pipe, the filtering liquid conveying pipe is just opposite to the inner wall of the fixing sleeve hole and is provided with a water outlet, the upper part of the side wall of the filtering tank is provided with a water inlet, and the lower part of the side wall of the, the sewage draining outlet is connected with a sewage draining pipe, the outer end of the sewage draining pipe extends to the outer side of the filtering tank, a sewage draining valve is arranged on the outer side of the filtering tank in the sewage draining pipe, the filtering membrane is located above the sewage draining outlet and below the water inlet, the filtering membrane rotary driving mechanism is located outside the filtering tank, and the output end of the filtering membrane rotary driving mechanism is connected with the upper end of the filtrate conveying pipe and used for driving the filtrate conveying pipe to rotate.

Preferably, the filtering membrane rotation driving mechanism comprises a motor, a driving wheel, a driven wheel and a transmission belt, the driving wheel is connected with an output shaft of the motor, the driven wheel is fixedly connected with the upper end of the filtering liquid conveying pipe, and the transmission belt is wound outside the driving wheel and the driven wheel.

Preferably, the dynamic membrane filtration device further comprises an upper bearing, a lower bearing, an upper seal ring and a lower seal ring, the upper bearing is mounted at the upper part of the upper rotary mounting hole, the upper end of the filtrate conveying pipe is fixedly inserted through the inner ring of the upper bearing, and the upper seal ring is mounted in the upper rotary mounting hole and attached below the upper bearing; the lower bearing is arranged at the lower part of the lower rotary mounting hole, the lower end of the filtrate conveying pipe is fixedly inserted through the inner ring of the lower bearing, the lower sealing ring is arranged in the lower rotary mounting hole and attached above the lower bearing, and the lower sealing ring is sleeved outside the filtrate conveying pipe.

Compared with the prior art, in the filtering process of the dynamic membrane filtering device, the filtering membrane performs rotating action, so that deposited stains are volatilized, the filtering membrane is kept clean, the service life of the filtering membrane is prolonged, the replacement frequency of the filtering membrane is reduced, and the cost is saved.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the invention.

Drawings

FIG. 1 is a schematic structural diagram of a dynamic membrane filtration apparatus according to the present invention.

Detailed Description

Referring to fig. 1, the dynamic membrane filtration apparatus 100 of the present invention includes a filtration tank 10, a filtration membrane sheet 20, a filtrate transfer pipe 30, and a filtration membrane rotation driving mechanism 40. In this embodiment, the filter membrane 20 is a polymer membrane, such as a polyamide resin membrane or a cellulose acetate resin membrane. The number of the filter membranes 20 is two or more.

The top and the bottom of the filtering tank 10 are respectively provided with an upper rotary mounting hole 11 and a lower rotary mounting hole 12. The upper end of the filtrate conveying pipe 30 is hermetically and rotatably inserted through the upper rotary mounting hole 11, and the lower end of the filtrate conveying pipe 30 is hermetically and rotatably inserted through the lower rotary mounting hole 12. The filtering membrane 20 is arranged in the filtering tank 10, the middle part of the filtering membrane 20 is provided with a fixed sleeve hole 21, the filtering liquid conveying pipe 30 is fixedly inserted into the fixed sleeve hole 21 so as to enable the filtering membrane 20 to be fixedly sleeved on the filtering liquid conveying pipe 30, the filtering liquid conveying pipe 30 is right aligned to the inner wall of the fixed sleeve hole 21, and a water outlet 31 is arranged at the inner wall of the fixed sleeve hole 21, in the embodiment, the water outlet 31 is arranged at the lower end part of the inner wall of the fixed sleeve hole 21, which is right aligned to the filtering liquid conveying pipe 30. The water inlet 13 has been seted up on the upper portion of the lateral wall of filter tank 10, drain 14 has been seted up to the lower part of the lateral wall of filter tank 10, drain 14 is connected with blow off pipe 15, the outer end of blow off pipe 15 extends to the outside of filter tank 10, in blow off pipe 15 in the outside of filter tank 10 has been installed blowoff valve 16, filter membrane 20 is located the top of drain 14 and is located the water inlet 13 below. The filtering membrane rotation driving mechanism 40 is located outside the filtering tank 10, and an output end of the filtering membrane rotation driving mechanism 40 is connected with an upper end of the filtrate conveying pipe 30 and is used for driving the filtrate conveying pipe 30 to rotate.

Specifically, the filtering membrane rotation driving mechanism 40 includes a motor 41, a driving pulley 42, a driven pulley 43, and a transmission belt 44. The driving wheel 42 is connected with the output shaft of the motor 41, the driven wheel 43 is fixedly connected with the upper end of the filtrate conveying pipe 30, and the transmission belt 44 is wound outside the driving wheel 42 and the driven wheel 43. The motor 41 is mounted on an external bracket. The motor 41 drives the driving wheel 42 to rotate, and then drives the driven wheel 43 to rotate, so as to drive the filtrate conveying pipe 30 to rotate, and further drive the filtering membrane 20 to rotate.

Specifically, the dynamic membrane filtration device 100 further comprises an upper bearing 50, a lower bearing 60, an upper seal ring 70, and a lower seal ring 75. The upper bearing 50 is mounted at the upper part of the upper rotary mounting hole 11, the upper end of the filtrate conveying pipe 30 is fixedly inserted through the inner ring of the upper bearing 50, and the upper sealing ring 70 is mounted in the upper rotary mounting hole 11 and attached below the upper bearing 50; the lower bearing 60 is installed at the lower portion of the lower rotary installation hole 12, the lower end of the filtrate delivery pipe 30 is fixedly inserted through the inner ring of the lower bearing 60, the lower sealing ring 75 is installed in the lower rotary installation hole 12 and attached above the lower bearing 60, and the lower sealing ring 75 is sleeved outside the filtrate delivery pipe 30.

When the dynamic membrane filtration device 100 of the present invention is used, the filtration membrane rotation driving mechanism 40 is started to rotate the filtrate delivery pipe 30 so as to drive the filtration membrane 20 to rotate, the waste liquid is input into the filtration tank 10 from the water inlet 13, filtered by the filtration membrane 20, flows into the filtrate delivery pipe 30 from the water outlet hole 31, and finally flows out from the lower end of the filtrate delivery pipe 30. The stains deposited on the filter membrane 20 during the filtering process are volatilized and accumulated at the bottom of the filter tank 10 after being rotated, and after a certain amount of stains are accumulated, the drain valve 16 is opened to discharge the stains.

In the filtering process of the dynamic membrane filtering device, the filtering membrane 20 rotates, so that deposited stains are volatilized, the filtering membrane 20 is kept clean, the service life of the filtering membrane 20 is prolonged, and the replacement frequency of the filtering membrane 20 is reduced, so that the cost is saved.

The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and various modifications and equivalent combinations made according to the essence of the embodiments should be covered.