CN218248714U - Large-flux rotary arm backwashing filter - Google Patents

Abstract

The utility model discloses a big flux rocking arm back flush filter, including the filter cylinder body, the filter top cap is connected at filter cylinder body top, and filter cylinder body internally mounted has last orifice plate and lower orifice plate, goes up and installs between orifice plate and the lower orifice plate and cross filter element and reposition of redundant personnel section of thick bamboo, installs driving motor on the filter top cap, and driving motor connects the axis of rotation, and mechanical rocking arm is connected to the axis of rotation bottom, installs the closing cap in the axis of rotation, and blow off pipe one end is connected to mechanical rocking arm bottom, and the blow off pipe other end stretches out the filter cylinder body, installs water inlet and delivery port on the filter cylinder body. The upper orifice plate and the lower orifice plate of the device are provided with the shunt cylinders, liquid to be filtered enters the filter through the water inlet, a part of liquid enters the inner surface of the filter element from the bottom interface of the filter element to be filtered, and the rest liquid enters the inner surface of the filter element from the top interface of the filter element through the middle shunt cylinder to be filtered, so that the liquid throughput is increased.

Description

Large-flux rotary arm backwashing filter

Technical Field

The utility model relates to the technical field of filters, concretely relates to back flush filter of big flux rocking arm.

Background

The back flush filter is gradually applied to industries such as mineral processing, mineral separation, water treatment, paper making industry, petrochemical industry, municipal or agricultural irrigation and the like in recent years, when the back flush filter works, liquid to be filtered enters the filter from an inlet, then passes through the filter screen from inside to outside, after long-time filtering, part of impurities are accumulated on the inner surface of the filter screen to cause certain water pressure loss, when the pressure difference between the inside and the outside of the filter screen reaches a cleaning set threshold value or reaches the cleaning time set by a user according to the water quality condition, a drain valve at the bottom of the back flush filter is automatically opened, the liquid outside the filter screen is reversely flushed by the liquid inside and outside the filter screen, the impurities attached to the filter screen are immediately flushed down and are discharged along a drain pipeline along with descending liquid, so that the requirement of the user on the water quality of water is met. However, the backflush filter is limited by the size of the filter element interface and cannot increase the length of the filter element, thereby causing flow limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big flux rocking arm back flush filter to solve the problem of mentioning in the background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a big flux rocking arm back flush filter, includes the filter barrel, filter top cap is connected at filter barrel top, filter barrel internally mounted has parallel distribution's last orifice plate and lower orifice plate, go up and install filter element and reposition of redundant personnel section of thick bamboo between orifice plate and the lower orifice plate, it all is equipped with the import to cross the lower extreme on the filter element, there is driving motor through the support mounting on the filter top cap, driving motor connects the axis of rotation, filter barrel internal connection machinery rocking arm is penetrated to the axis of rotation bottom, install the closing cap in the axis of rotation, go up the displacement of closing cap and go up the orifice plate top, machinery rocking arm is located lower orifice plate below, blow off pipe one end is connected to machinery rocking arm bottom, the filter barrel is stretched out to the blow off pipe other end, install water inlet and delivery port on the filter barrel, the water inlet is located filter barrel bottom, the delivery port is located between last orifice plate and the lower orifice plate above the filter barrel, driving motor connection director, the controller is installed on the filter barrel.

Preferably, the upper orifice plate and the lower orifice plate are provided with holes corresponding to the inlet of the filter element and the shunt cylinder.

Preferably, the filter core is provided with a plurality of filter cores, and the filter cores are arranged between the upper pore plate and the lower pore plate in parallel.

Preferably, the water inlet, the water outlet and the sewage discharge pipe are provided with electromagnetic valves, and the electromagnetic valves are connected with the controller.

The utility model discloses a technological effect and advantage: the upper orifice plate and the lower orifice plate of the device are provided with the shunt cylinder, liquid to be filtered enters the filter through the water inlet, part of the liquid enters the inner surface of the filter element through the bottom interface of the filter element to be filtered, the rest of the liquid is shunted through the middle shunt cylinder to reach the top of the filter element, and the liquid enters the inner surface of the filter element from the top interface of the filter element to be filtered, so that the liquid throughput is increased, and the filtering efficiency is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1-filter cylinder body, 2-filter top cover, 3-upper orifice plate, 4-lower orifice plate, 5-filter element, 6-shunt cylinder, 7-driving motor, 8-rotating shaft, 9-mechanical rotating arm, 10-upper sealing cover, 11-sewage discharge pipe, 12-water inlet, 13-water outlet, 14-controller, 15-electromagnetic valve.

Detailed Description

In order to make the technical means, the creative features, the objectives and the functions of the present invention easily understood and appreciated, the present invention will be further described with reference to the specific drawings, and in the description of the present invention, unless otherwise specified or limited, the terms "mounted," connected "and" connected "should be understood broadly, and for example, the terms" fixed connection, "detachable connection," integral connection, mechanical connection, and electrical connection may be used; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Examples

A big flux rocking arm back flush filter as shown in fig. 1, including filter cylinder 1, filter top cap 2 is connected at 1 top of filter cylinder, filter cylinder 1 internally mounted has parallel distribution's last orifice plate 3 and orifice plate 4 down, go up the orifice plate 3 and install a plurality of filter core 5 and reposition of redundant personnel section of thick bamboo 6 down between the orifice plate 4, it all is equipped with the import to cross the lower extreme on the filter core 5, be equipped with on last orifice plate 3 and the orifice plate 4 down with the import of filtering core 5 and the hole that reposition of redundant personnel section of thick bamboo 6 corresponds, there is driving motor 7 through the support mounting on the filter top cap 2, driving motor 7 connects axis of rotation 8, 8 bottoms of axis of rotation penetrate filter cylinder 4 internal connection machinery rocking arm 9, install closing cap 10 on the axis of rotation 8, go up closing cap 10 displacement and go up orifice plate 3 top, machinery rocking arm 9 is located orifice plate 4 below down, arrange dirty pipe 11 one end in machinery rocking arm 9 bottom, the blow off pipe 11 other end stretches out filter cylinder 1, install water inlet 12 and delivery port 13 on filter cylinder 1, water outlet 12 is located filter cylinder 1 top of the upper part, discharge pipe 14, discharge control solenoid valve 14, discharge tube 14, discharge pipe 15, discharge control solenoid valve 14 are installed on filter cylinder 14.

The utility model discloses process flow and theory of operation do: when the device is used for filtering, the electromagnetic valves 15 on the water inlet 12 and the water outlet 13 are opened, liquid to be filtered enters the filter cylinder body 1 through the water inlet 12, part of the liquid enters the filter element 5 through the inlet at the bottom of the filter element 5 for filtering, part of the liquid is shunted through the shunt cylinder 6 to reach the top of the filter element 5 and enters the filter element 5 through the inlet at the top of the filter element 5 for filtering, so that the amount of the liquid passing through the filter element 5 is increased, and the filtering effect is improved; when the filter element 5 needs to be cleaned, the electromagnetic valve 15 on the drain pipe 11 is opened, the driving motor 7 is started, the driving motor 7 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the mechanical rotating arm 9 and the upper sealing cover 10 to move, the mechanical rotating arm 9 is communicated with the inlet at the bottom of the filter element 5, the liquid is interrupted from entering the filter element 5, the upper sealing cover 10 seals the inlet at the top of the filter element 5, at the moment, the pressure drop is generated between the outer side and the inner side of the filter element 5, the reverse flow of filtrate realizes the back washing of the filter element 5, and after the back washing time of the filter element 5 is set, the electromagnetic valve 15 on the drain pipe 11 is closed, and the driving motor 7 drives the mechanical rotating arm 9 to rotate away.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (4)

1. The utility model provides a big flux rocking arm back flush filter, includes the filter cylinder, its characterized in that: the filter top cap is connected at the top of the filter barrel body, an upper pore plate and a lower pore plate which are distributed in parallel are arranged inside the filter barrel body, a filter element and a shunt cylinder are arranged between the upper pore plate and the lower pore plate, the upper end and the lower end of the filter element are provided with inlets, a driving motor is arranged on the filter top cap through a support, the driving motor is connected with a rotating shaft, the bottom of the rotating shaft penetrates into an internal connection mechanical rotating arm of the filter barrel body, an upper sealing cover is arranged on the rotating shaft, the upper sealing cover is displaced to be above the upper pore plate, the mechanical rotating arm is positioned below the lower pore plate, one end of a sewage discharge pipe is connected to the bottom of the mechanical rotating arm, the other end of the sewage discharge pipe stretches out of the filter barrel body, a water inlet and a water outlet are arranged on the filter barrel body, the water inlet is positioned at the bottom of the filter barrel body, the water outlet is positioned above the filter barrel body and positioned between the upper pore plate and the lower pore plate, the driving motor is connected with a controller, and the controller is arranged on the filter barrel body.

2. A large flux rotary arm backwash filter as defined in claim 1 wherein: and the upper pore plate and the lower pore plate are provided with holes corresponding to the inlet of the filter element and the shunt cylinder.

3. A large flux rotary arm backwash filter as defined in claim 2 wherein: the filter cores are arranged in plurality and are arranged between the upper pore plate and the lower pore plate in parallel.

4. A large flux rotary arm backwash filter as defined in claim 1 wherein: and the water inlet, the water outlet and the sewage discharge pipe are provided with electromagnetic valves, and the electromagnetic valves are connected with a controller.

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