阅读说明：本技术 一种过滤装置 (Filtering device ) 是由 余永寿 于 2019-09-20 设计创作，主要内容包括：本发明提供一种过滤装置,包括滤前进水管、滤后出水管、主水泵、过滤容器、滤芯清洗组件和酸碱调节组件,所述过滤容器包括桶本体和滤芯,所述桶本体上形成有过滤腔,所述滤芯安装在所述过滤腔内,所述滤前进水管与所述过滤腔相连通,所述主水泵与所述滤前进水管连接,用于将所述滤前进水管内的液体输送至所述过滤容器内,所述滤后出水管与所述滤芯的内部相连通,所述滤前进水管、过滤容器和滤后出水管形成依次连接的过滤水路,所述酸碱调节组件与所述滤芯清理组件相连通,所述滤芯清洗组件对所述滤芯清洗前,所述酸碱调节组件先对所述滤芯清理组件内的清洗液进行酸碱调节；该过滤装置可以将滤芯清理的更加彻底。(The invention provides a filtering device, which comprises a water inlet pipe before filtering, a water outlet pipe after filtering, a main water pump, a filtering container, a filter element cleaning component and an acid-base adjusting component, the filtering container comprises a barrel body and a filter element, a filtering cavity is formed on the barrel body, the filter element is arranged in the filtering cavity, the water inlet pipe before the filter is communicated with the filter cavity, the main water pump is connected with the water inlet pipe before the filter, is used for conveying the liquid in the water inlet pipe before filtration into the filtering container, the water outlet pipe after filtration is communicated with the inside of the filter element, the water inlet pipe before filtration, the filtration container and the water outlet pipe after filtration form a filtration water path which is connected in sequence, the acid-base adjusting component is communicated with the filter element cleaning component, before the filter element cleaning component cleans the filter element, the acid-base adjusting component firstly adjusts acid-base of cleaning liquid in the filter element cleaning component; this filter equipment can be with more thorough of filter core clearance.)

1. A filtering device is characterized by comprising a water inlet pipe before filtering, a water outlet pipe after filtering, a main water pump, a filtering container, a filter element cleaning component and an acid-base adjusting component, the filtering container comprises a barrel body and a filter element, a filtering cavity is formed on the barrel body, the filter element is arranged in the filtering cavity, the water inlet pipe before the filter is communicated with the filter cavity, the main water pump is connected with the water inlet pipe before the filter, is used for conveying the liquid in the water inlet pipe before filtration into the filtering container, the water outlet pipe after filtration is communicated with the inside of the filter element, the water inlet pipe before filtration, the filtration container and the water outlet pipe after filtration form a filtration water path which is connected in sequence, the acid-base adjusting component is communicated with the filter element cleaning component, the filter element cleaning assembly is right before the filter element is cleaned, the acid-base adjusting assembly is firstly right to carry out acid-base adjustment on cleaning liquid in the filter element cleaning assembly.

2. The filtering device according to claim 1, further comprising a liquid storage water outlet pipe, a liquid storage container and a liquid storage water inlet pipe, wherein the liquid storage water inlet pipe and the liquid storage water outlet pipe are connected with the filtering cavity, the filtering container, the liquid storage water outlet pipe, the liquid storage container and the liquid storage water inlet pipe form an internal circulation water path in circulation connection, and the filtering device further comprises a switching valve set, wherein the switching valve set is connected with the filtering water path and the internal circulation water path to enable one of the filtering water path and the internal circulation water path to be conducted; before the backwashing water tank is communicated with the filter cavity, the switching valve group enables the filter cavity to be communicated with the liquid storage container, so that liquid in the filter cavity flows into the liquid storage container through the liquid storage water outlet pipe.

3. The filtration apparatus as claimed in claim 1, wherein said main water pump is further connected to said reservoir water inlet for delivering liquid from said reservoir water inlet to said filter vessel, said filtration apparatus including a water inlet valve set for communicating one of said reservoir water inlet and said pre-filter water inlet with said main water pump.

4. The filter apparatus of claim 1, wherein the filter vessel further comprises a shaft, a first end of the shaft extending into the filter cavity and fixedly coupled to the filter element, and a second end of the shaft extending out of the filter vessel;

the filter element cleaning assembly comprises a back washing motor and a back washing water tank, the back washing motor is in transmission connection with the second end of the rotating shaft and drives the rotating shaft to rotate, the back washing water tank is connected with the filter cavity through a clear water inlet pipe, and a sewage outlet communicated with the filter cavity is formed in the bottom of the filter container; alternatively, the first and second electrodes may be,

the filter element cleaning assembly comprises a backwashing motor, a backwashing water tank and a blowing device, the backwashing motor is in transmission connection with the second end of the rotating shaft and drives the rotating shaft to rotate, the backwashing water tank is connected with the filter cavity through a clean water inlet pipe, the blowing device is connected with the filter cavity through an air inlet pipe, and a sewage outlet communicated with the filter cavity is formed in the bottom of the filter container.

5. The filtration apparatus as claimed in claim 1, wherein the backwash water tank is disposed above the reservoir, the backwash water tank is connected to the reservoir through an overflow pipe and a drain pipe, the overflow pipe is provided with a water inlet at an upper portion of the backwash water tank, the drain pipe is provided with a water discharge valve for controlling the conduction of the drain pipe, and the water discharge pipe is provided at a bottom portion of the backwash water tank.

6. The filtration apparatus of claim 1, further comprising a frame and a reservoir, said filtration vessel, backwash water tank and reservoir being secured to said frame; the hydrochloric acid adding device comprises an independent frame, a corrosion-resistant container, a corrosion-resistant pump and a corrosion-resistant pipeline, wherein the independent frame is located on one side of the frame, the corrosion-resistant container and the corrosion-resistant pump are fixed on the upper portion of the independent frame, and the corrosion-resistant pipeline is connected to the corrosion-resistant pump and the upper portion of the backwashing water tank.

7. The filtration apparatus as claimed in claim 1, wherein the barrel body is provided with an opening, the barrel body is provided with a cover body, the cover body covers the opening, the barrel body is a plastic barrel body, the cover body comprises a plastic layer and a metal reinforced layer, the plastic layer is located at the inner side, and the metal reinforced layer is located at the outer side.

8. The filtering apparatus as claimed in claim 1, wherein the cover includes a first cover and a second cover, the opening includes a first opening and a second opening respectively located at two ends of the barrel body, the first cover covers the first opening, the second cover covers the second opening, a first reinforcing ring and a second reinforcing ring are fixed on the barrel body, the first reinforcing ring and the second reinforcing ring are both metal rings, the first cover is connected with the first reinforcing ring, and the second cover is connected with the second reinforcing ring.

9. The filtration apparatus as claimed in claim 8, wherein the first reinforcing ring is fixed to the first end of the tub body, the second reinforcing ring is fixed to the second end of the tub body, the first reinforcing ring is hinged to the first cover, and the second cover is fixedly connected to the second reinforcing ring; and/or the presence of a gas in the gas,

the first cover body comprises a plastic layer and a metal reinforcing layer, the barrel body is hinged with the metal reinforcing layer, a plurality of fixing grooves are formed in the plastic layer and the metal reinforcing layer, a plurality of first fixing rods are arranged on the first reinforcing ring, the free ends of the first fixing rods penetrate through the fixing grooves in the first fixing convex edges, the free ends of the first fixing rods are connected with upper fastening pieces, and the upper fastening pieces are fixedly connected with the first cover body; and/or the presence of a gas in the gas,

the second cover body comprises a plastic layer and a metal reinforcing layer, the barrel body is hinged with the metal reinforcing layer, a plurality of fixing holes are formed in the plastic layer and the metal reinforcing layer, second fixing rods penetrate through the fixing holes, one ends of the second fixing rods are connected with the metal reinforcing layer, and the other ends of the second fixing rods are connected with the second reinforcing ring; and/or the presence of a gas in the gas,

the container body is cylindrical, a plurality of reinforcing rods are fixed between the first reinforcing ring and the second reinforcing ring, two ends of each reinforcing rod are fixedly connected with the first reinforcing ring and the second reinforcing ring respectively, and the plurality of reinforcing rods are arranged at intervals.

10. The filter device according to claim 1, wherein the filter container further comprises a rotating shaft and a sealing assembly, the rotating shaft is fixedly connected with the filter element, a first end of the rotating shaft extends into the filter cavity and is fixedly connected with the filter element, a second end of the rotating shaft extends out of the filter container, the sealing assembly is fixed on the container body and is communicated with the filter element, a detection drip pipe is arranged on the sealing assembly, and the detection drip pipe is communicated with the interior of the sealing assembly and is arranged in an open manner with a downward opening; and/or the presence of a gas in the gas,

the barrel body is a PPH plastic barrel body, and a pressure gauge is arranged on the filtering device.

Technical Field

The invention relates to the field of filtering equipment, in particular to a filtering device.

Background

At present, can produce a large amount of sewage in chemical production, can contain a large amount of suspended particles in chemical industry sewage, if with chemical industry sewage direct discharge, not only cause environmental pollution, also can cause the waste of water resource, current mode is more to filter chemical industry sewage, filters impurity and water in the chemical industry sewage, impurity centralized processing, water recycle, however current chemical industry sewage treatment plant has work efficiency low, chemical industry sewage filters the not good shortcoming of quality. The existing filtering device also determines the filtering effect by the size of the filtering holes on the filter element, but in practical use, after the filtering container is used for a period of time, dirt can be attached to the filter element, so that the permeability of the filter element is poor, and the filtering efficiency is influenced. However, it is difficult to clean the cartridge thoroughly using only water to flush the cartridge.

Disclosure of Invention

In view of this, there is a need for a filter assembly that can more thoroughly clean the filter element.

The embodiment of the invention provides a filtering device, which comprises a water inlet pipe before filtering, a water outlet pipe after filtering, a main water pump, a filtering container, a filter element cleaning component and an acid-base adjusting component, the filtering container comprises a barrel body and a filter element, a filtering cavity is formed on the barrel body, the filter element is arranged in the filtering cavity, the water inlet pipe before the filter is communicated with the filter cavity, the main water pump is connected with the water inlet pipe before the filter, is used for conveying the liquid in the water inlet pipe before filtration into the filtering container, the water outlet pipe after filtration is communicated with the inside of the filter element, the water inlet pipe before filtration, the filtration container and the water outlet pipe after filtration form a filtration water path which is connected in sequence, the acid-base adjusting component is communicated with the filter element cleaning component, the filter element cleaning assembly is right before the filter element is cleaned, the acid-base adjusting assembly is firstly right to carry out acid-base adjustment on cleaning liquid in the filter element cleaning assembly.

Preferably, the filtering device further comprises a liquid storage water outlet pipe, a liquid storage container and a liquid storage water inlet pipe, wherein the liquid storage water inlet pipe and the liquid storage water outlet pipe are connected with the filtering cavity, the filtering container, the liquid storage water outlet pipe, the liquid storage container and the liquid storage water inlet pipe form an internal circulation water path in circulating connection, and the filtering device further comprises a switching valve bank, wherein the switching valve bank is connected with the filtering water path and the internal circulation water path to enable one of the filtering water path and the internal circulation water path to be conducted; before the backwashing water tank is communicated with the filter cavity, the switching valve group enables the filter cavity to be communicated with the liquid storage container, so that liquid in the filter cavity flows into the liquid storage container through the liquid storage water outlet pipe.

Preferably, the main water pump is further connected with the liquid storage water inlet pipe and is used for conveying liquid in the liquid storage water inlet pipe into the filtering container, and the filtering device comprises a water inlet valve group which enables one of the liquid storage water inlet pipe and the filtering water inlet pipe to be communicated with the main water pump.

Preferably, the filter container further comprises a rotating shaft, a first end of the rotating shaft extends into the filter cavity and is fixedly connected with the filter element, and a second end of the rotating shaft extends out of the filter container;

the filter element cleaning assembly comprises a back washing motor and a back washing water tank, the back washing motor is in transmission connection with the second end of the rotating shaft and drives the rotating shaft to rotate, the back washing water tank is connected with the filter cavity through a clear water inlet pipe, and a sewage outlet communicated with the filter cavity is formed in the bottom of the filter container; alternatively, the first and second electrodes may be,

the filter element cleaning assembly comprises a backwashing motor, a backwashing water tank and a blowing device, the backwashing motor is in transmission connection with the second end of the rotating shaft and drives the rotating shaft to rotate, the backwashing water tank is connected with the filter cavity through a clean water inlet pipe, the blowing device is connected with the filter cavity through an air inlet pipe, and a sewage outlet communicated with the filter cavity is formed in the bottom of the filter container.

Preferably, the backwash water tank is arranged above the liquid storage container, the backwash water tank is connected with the liquid storage container through an overflow pipe and a drain pipe, water is conveyed to the liquid storage container from the backwash water tank, a water inlet of the overflow pipe is located at the upper part of the backwash water tank, a water inlet of the drain pipe is located at the bottom of the backwash water tank, and a drain valve for controlling the conduction of the drain pipe is further arranged on the drain pipe.

Preferably, the filtering device further comprises a frame and a liquid storage container, and the filtering container, the backwashing water tank and the liquid storage container are all fixed on the frame; the hydrochloric acid adding device comprises an independent frame, a corrosion-resistant container, a corrosion-resistant pump and a corrosion-resistant pipeline, wherein the independent frame is located on one side of the frame, the corrosion-resistant container and the corrosion-resistant pump are fixed on the upper portion of the independent frame, and the corrosion-resistant pipeline is connected to the corrosion-resistant pump and the upper portion of the backwashing water tank.

Preferably, the barrel body is provided with an opening, the barrel body is provided with a cover body, the cover body covers the opening, the barrel body is a plastic barrel body, the cover body comprises a plastic layer and a metal reinforcing layer, the plastic layer is located on the inner side, and the metal reinforcing layer is located on the outer side.

Preferably, the cover body includes a first cover body and a second cover body, the opening includes a first opening and a second opening respectively located at two ends of the barrel body, the first cover body covers the first opening, the second cover body covers the second opening, a first reinforcing ring and a second reinforcing ring are fixed on the barrel body, the first reinforcing ring and the second reinforcing ring are both metal rings, the first cover body is connected with the first reinforcing ring, and the second cover body is connected with the second reinforcing ring.

Preferably, the first reinforcing ring is fixed at the first end of the tub body, the second reinforcing ring is fixed at the second end of the tub body, the first reinforcing ring is hinged to the first cover, and the second cover is fixedly connected to the second reinforcing ring; and/or the presence of a gas in the gas,

the first cover body comprises a plastic layer and a metal reinforcing layer, the barrel body is hinged with the metal reinforcing layer, a plurality of fixing grooves are formed in the plastic layer and the metal reinforcing layer, a plurality of first fixing rods are arranged on the first reinforcing ring, the free ends of the first fixing rods penetrate through the fixing grooves in the first fixing convex edges, the free ends of the first fixing rods are connected with upper fastening pieces, and the upper fastening pieces are fixedly connected with the first cover body; and/or the presence of a gas in the gas,

the second cover body comprises a plastic layer and a metal reinforcing layer, the barrel body is hinged with the metal reinforcing layer, a plurality of fixing holes are formed in the plastic layer and the metal reinforcing layer, second fixing rods penetrate through the fixing holes, one ends of the second fixing rods are connected with the metal reinforcing layer, and the other ends of the second fixing rods are connected with the second reinforcing ring; and/or the presence of a gas in the gas,

the container body is cylindrical, a plurality of reinforcing rods are fixed between the first reinforcing ring and the second reinforcing ring, two ends of each reinforcing rod are fixedly connected with the first reinforcing ring and the second reinforcing ring respectively, and the plurality of reinforcing rods are arranged at intervals.

Preferably, the filtering container further comprises a rotating shaft and a sealing assembly, the rotating shaft is fixedly connected with the filter element, a first end of the rotating shaft extends into the filtering cavity and is fixedly connected with the filter element, a second end of the rotating shaft extends out of the filtering container, the sealing assembly is fixed on the container body and is communicated with the filter element, a detection water dripping pipe is arranged on the sealing assembly and is communicated with the inside of the sealing assembly, and the detection water dripping pipe is arranged in an open manner with a downward opening; and/or the presence of a gas in the gas,

the barrel body is a PPH plastic barrel body, and a pressure gauge is arranged on the filtering device.

According to the invention, the acid-base neutralization assembly is arranged, acid or alkaline liquid is added into the backwashing water tank and then enters the filtering container for cleaning the filter element, so that the filter element can be cleaned more thoroughly.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

FIGS. 1-4 are schematic views of the overall structure of a filter device according to the preferred embodiment of the present invention at four different angles;

FIG. 5 is a front view of a filter assembly according to a preferred embodiment of the present invention;

FIG. 6 is an overall structural view of a filter device according to a preferred embodiment of the present invention;

FIG. 7 is an overall block diagram of another perspective of the filter assembly of the preferred embodiment of the present invention;

FIG. 8 is a front view of a filter assembly according to a preferred embodiment of the present invention;

fig. 9 is a cross-sectional view along direction AA of fig. 8.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 9, an embodiment of the present invention provides a filtering apparatus, which includes a pre-filter water inlet pipe 101, a post-filter water outlet pipe 102, a main water pump 60, a filter container 10, a liquid storage container 20, a liquid storage water inlet pipe 201, and a liquid storage water outlet pipe 202. The filtering container 10 comprises a barrel body 1 and a filter element 7, a filtering cavity is formed on the barrel body 1, the filter element 7 is installed in the filtering cavity, and a water inlet pipe 101 before filtering is communicated with the filtering cavity. The main water pump 60 is connected with the pre-filtering water inlet pipe 101 and is used for conveying liquid in the pre-filtering water inlet pipe 101 into the filtering container 10, the post-filtering water outlet pipe 102 is communicated with the inside of the filter element 7, and the pre-filtering water inlet pipe 101, the filtering container 10 and the post-filtering water outlet pipe 102 form a filtering water path which is connected in sequence. The liquid storage water inlet pipe 201 and the liquid storage water outlet pipe 202 are connected with the filter cavity, and the filter container 10, the liquid storage water outlet pipe 202, the liquid storage container 20 and the liquid storage water inlet pipe 201 form an internal circulation water path in circulating connection. The filtering device further comprises a switching valve group, and the switching valve group is connected with the filtering water path and the internal circulation water path to enable one of the filtering water path and the internal circulation water path to be conducted. The following are required to be explained: the valve bank of intaking can be the three-way valve all connected with straining preceding water pipe 101 and stock solution inlet tube 201, also can be two-way valves of being connected with straining preceding water pipe 101 and stock solution inlet tube 201 respectively, and the valve bank of intaking can be the partly of switching valve group.

Referring to fig. 3, the filtering apparatus further includes an acid-base adjusting assembly 90, the acid-base adjusting assembly 90 is communicated with the filter element cleaning assembly, and before the filter element cleaning assembly cleans the filter element 7, the acid-base adjusting assembly 90 performs acid-base adjustment on the cleaning liquid in the filter element cleaning assembly.

Referring to fig. 1-4, in the preferred embodiment, the filter assembly further includes a frame 50 and a reservoir 20, with the filter cartridge 10, the backwash water tank 30 and the reservoir 20 all mounted to the frame 50. The hydrochloric acid adding device comprises an independent frame, a corrosion-resistant container, a corrosion-resistant pump and a corrosion-resistant pipeline, wherein the independent frame is located on one side of the frame 50, the corrosion-resistant container and the corrosion-resistant pump are fixed on the upper portion of the independent frame, the corrosion-resistant pipeline is connected between the corrosion-resistant pump and the backwashing water tank 30, the corrosion-resistant pump is connected to the top wall of the backwashing water tank, and the side wall of the backwashing water tank 30 is spaced to avoid strong acid and strong alkali liquid from contacting the backwashing water tank 30.

In a preferred embodiment, the valve switching assembly includes a plurality of solenoid valves or electric valves, the solenoid valves or electric valves are disposed on the water inlet pipe 101 before filtration and the water outlet pipe 102 after filtration, and the solenoid valves or electric valves are disposed on the water inlet pipe 201.

Industrial waste water (such as electroplating waste liquid) enters the filter cavity from the pre-filtering water inlet pipe 101, is filtered by the filter element 7, and residue particles are left outside the filter element 7, filtered water enters the filter element 7, and finally flows out from the post-filtering water outlet pipe 102 to form a filtering circulation system.

The filter aid can be added into liquid storage container 20, filter aid and electroplating effluent (or clear water) form filter aid solution, filter aid solution enters into stock solution inlet tube 201 from liquid storage container 20, reentrant filter chamber of filter container 10, the filter aid is attached to filter core 7 when passing through filter core 7, water mixed together with the filter aid enters into inside filter core 7 through filter core 7, remaining filter aid passes through stock solution outlet pipe 202 and flows into liquid storage container 20, avoid extravagant, form an inner circulation system.

In a preferred embodiment, the main water pump 60 is further connected to the liquid inlet pipe 201 for delivering the liquid in the liquid inlet pipe 201 to the filtering container 10, and the filtering device includes a water inlet valve set for communicating one of the liquid inlet pipe 201 and the filtering water inlet pipe 101 with the main water pump 60. The bottom of the filtering container 10 is provided with a water inlet 13 communicated with the filtering cavity, the filtering water inlet pipe 101 and the liquid storage water inlet pipe 201 are both communicated with the water inlet 13, the water inlet 13 is connected with the main water pump 60, and the filtering water inlet pipe 101 and the liquid storage water inlet pipe 201 are respectively controlled by different valves, and further, the valves are electromagnetic valves or electric valves. The filter water inlet pipe 101 and the liquid storage water inlet pipe 201 are respectively controlled by a water pump and two valves, so that the number of openings on the filter container 10 is reduced, and the water pump is also reduced.

In a preferred embodiment, the filtering apparatus further comprises an internal circulation water pump, which is connected to the liquid inlet pipe 201 for delivering the liquid in the liquid inlet pipe 201 to the filtering container 10.

In a preferred embodiment, the filter container 10 further comprises a rotating shaft, a first end of the rotating shaft extends into the filter cavity and is fixedly connected with the filter element 7, and a second end of the rotating shaft extends out of the filter container 10;

the filtering device also comprises a backwashing motor and a backwashing water tank 30, wherein the backwashing motor is in transmission connection with the second end of the rotating shaft and drives the rotating shaft to rotate, the backwashing water tank 30 is connected with the filtering cavity through a clean water inlet pipe, and the bottom of the filtering container 10 is provided with a sewage outlet communicated with the filtering cavity; alternatively, the first and second electrodes may be,

the filter device further comprises a backwashing motor, a backwashing water tank 30 and a blowing device, wherein the backwashing motor is in transmission connection with the second end of the rotating shaft and drives the rotating shaft to rotate, the backwashing water tank 30 is connected with the filter cavity through a clean water inlet pipe, the blowing device is connected with the filter cavity through an air inlet pipe, and a sewage outlet communicated with the filter cavity is formed in the bottom of the filter container 10.

In a preferred embodiment, the backwash water tank 30 is disposed above the reservoir 20, the backwash water tank 30 is connected to the reservoir 20 through an overflow pipe and a drain pipe to transfer water from the backwash water tank 30 to the reservoir 20, a water inlet 13 of the overflow pipe is located at an upper portion of the backwash water tank 30, a water inlet 13 of the drain pipe is located at a bottom portion of the backwash water tank 30, and a drain valve to control the conduction of the drain pipe is further disposed on the drain pipe.

In the preferred embodiment, before the backwash water tank 30 is connected to the filter chamber, the switching valve set connects the filter chamber to the reservoir 20, so that the liquid in the filter chamber flows into the reservoir 20 through the reservoir outlet pipe 202.

In a preferred embodiment, the filtering apparatus has a filter element 7 cleaning assembly, and after the filter element 7 is cleaned by the filter element 7 cleaning assembly, the internal circulation water path is firstly conducted before the switching valve set conducts the filtering water path, so that the liquid in the liquid storage container 20 is circularly conveyed to the filtering cavity. It should be noted that: the cleaning assembly of the filter element 7 comprises a back flushing water tank 30, a back flushing motor, a blowing device (such as a blower and an air compressor) and the like.

In a preferred embodiment, an opening is provided on the barrel body 1, a cover body 2 is provided on the barrel body 1, the cover body 2 covers the opening, the barrel body 1 is a plastic barrel body 1, the cover body 2 comprises plastic layers 11 and 12 and metal reinforcing layers 21 and 22, the plastic layers 110 and 120 are located on the inner side, and the metal reinforcing layers 210 and 220 are located on the outer side.

In a preferred embodiment, the cover 2 includes a first cover 21 and a second cover 22, the openings include a first opening and a second opening respectively located at two ends of the barrel body, the first cover 21 covers the first opening, the second cover 22 covers the second opening, a first reinforcing ring 31 and a second reinforcing ring 32 are fixed on the barrel body 1, the first reinforcing ring 31 and the second reinforcing ring 32 are both metal rings, the first cover 21 is connected with the first reinforcing ring 31, and the second cover 22 is connected with the second reinforcing ring 32.

In a preferred embodiment, a first reinforcing ring 31 is fixed at a first end of the tub body 1, a second reinforcing ring 32 is fixed at a second end of the tub body 1, the first reinforcing ring 31 is hinged with the first cover 21, and the second cover 22 is fixedly connected with the second reinforcing ring 32; and/or the presence of a gas in the gas,

the first cover body 21 comprises plastic layers 110 and 120 and metal reinforcing layers 210 and 220, the barrel body 1 is hinged with the metal reinforcing layers 210 and 220, a plurality of fixing grooves are formed in the plastic layers 110 and 120 and the metal reinforcing layers 210 and 220, a plurality of first fixing rods are arranged on the first fixing ring, the free ends of the first fixing rods penetrate through the fixing grooves on the first fixing convex edges, the free ends of the first fixing rods are connected with fastening pieces, and the fastening pieces are fixedly connected with the first cover body 21; and/or the presence of a gas in the gas,

the second cover body 22 comprises plastic layers 110 and 120 and metal reinforced layers 210 and 220, the barrel body 1 is hinged with the metal reinforced layers 210 and 220, a plurality of fixing holes are arranged on the plastic layers 110 and 120 and the metal reinforced layers 210 and 220, second fixing rods penetrate through the fixing holes, one ends of the second fixing rods are connected with the metal reinforced layers 210 and 220, and the other ends of the second fixing rods are connected with the second reinforcing ring 32; and/or the presence of a gas in the gas,

the container body is cylindrical, is fixed with a plurality of stiffening rod 8 between first reinforcing ring 31 and the second reinforcing ring 32, and the both ends of stiffening rod 8 respectively with first reinforcing ring and second reinforcing ring 32 fixed connection, a plurality of stiffening rod 8 interval settings.

In a preferred embodiment, the filtering container 10 further comprises a rotating shaft 5 and a sealing assembly 4, the rotating shaft 5 is fixedly connected with the filter element 7, a first end of the rotating shaft 5 extends into the filtering cavity and is fixedly connected with the filter element 7, a second end of the rotating shaft 5 extends out of the filtering container 10, the sealing assembly 4 is fixed on the container body and is communicated with the filter element 7, a detection dripping pipe 45 is arranged on the sealing assembly 4, the detection dripping pipe 45 is communicated with the inside of the sealing assembly 7, and the detection dripping pipe 45 is arranged in an open manner with a downward opening; and/or the presence of a gas in the gas,

the barrel body 1 is a PPH plastic barrel body 1, and a pressure gauge 6 is arranged on the filtering device.

According to the invention, by arranging the liquid storage container 20, the electroplating solution in the filter cavity is discharged into the liquid storage container 20 for temporary storage before the filtering of the filtering waterway is finished and the backwashing is carried out, and the electroplating solution in the liquid storage container 20 is conveyed to the filter cavity for filtering after the backwashing is finished, so that the waste is avoided.

Referring to fig. 5, in the preferred embodiment, the bottom of the filtering container 10 is provided with a water inlet 13 communicated with the filtering chamber 9, the pre-filtering water inlet pipe 101 and the liquid inlet pipe 201 are both communicated with the water inlet 13, the water inlet 13 is connected with the water inlet pump 60, and the pre-filtering water inlet pipe 101 and the liquid inlet pipe 201 are respectively controlled by different valves, further, the valves are solenoid valves or electric valves. The filter water inlet pipe 101 and the liquid storage water inlet pipe 201 are respectively controlled by a water pump and two valves, so that the number of openings on the filter container 10 is reduced, and the water pump is also reduced.

Referring to fig. 5 and 9, in the preferred embodiment, the bottom filtering container 10 is provided with a sewage outlet 14 communicating with the filtering chamber 9, the liquid storage container 20 is provided with a liquid discharge pipe, the liquid discharge pipe and the filtered water outlet pipe 102 are communicated and are communicated with the sewage outlet 14, and the liquid discharge pipe is provided with a valve which is an electronic valve and is used for discharging sewage which cannot pass through the filter element 7.

In the preferred embodiment, the filter chamber 9 of the filter cartridge 10 is connected to the reservoir 20 by an internal return line (which communicates with the return port 46) for returning the remaining liquid (e.g., plating solution) within the used filter cartridge to the reservoir 20, thereby avoiding waste.

Referring to fig. 3, in a further preferred embodiment, the filter element 7 is connected to the reservoir 20 via an internal return pipe for returning the cosolvent entering the interior of the filter element 7 to the reservoir 20, and further, a filter screen is disposed in the reservoir 20 for filtering impurities in the filter solution from the filter element.

In a preferred embodiment, the filtering device further comprises a backwash water tank 30, the backwash water tank 30 being in communication with the filter element 7 through a fresh water inlet pipe; the filtering device also comprises a blowing device 40, and an air outlet of the blowing device 40 is communicated with the filter element 7 through an air inlet pipe. Furthermore, tap water is filled in the backwashing water tank 30, a water pump is arranged between the backwashing water tank 30 and the filter element 7, the tap water is pumped into the filter element 7 by the water pump, meanwhile, the blowing device 40 blows air into the filter element 7, the tap water and the air act simultaneously to flush solid dirt attached to the filter element 7, and the mixed water of the fixed dirt is discharged through a sewage discharge outlet. When most of solid dirt is washed down, a small amount of remaining dirt needs to be washed again, and the washed mixed liquid flows back to the liquid storage container.

Referring to fig. 3, in a further preferred embodiment, an overflow pipe 301 is provided at the top of the backwash water tank 30, the overflow pipe 301 is communicated with the liquid storage container 20, a drain pipe 302 is further provided at the bottom of the backwash water tank 30, an inlet of the drain pipe 302 is at the bottom of the backwash water tank 30, the drain pipe 302 is also communicated with the liquid storage container 20 for draining water in the backwash water tank 30, a tap water inlet pipe is further provided on the backwash water tank 30, an opening of the tap water inlet pipe is higher than the highest point of the overflow pipe 301 for preventing water from flowing out of the tap water inlet pipe, and the tap water inlet pipe is used for adding tap water into the backwash water tank.

External tap water is added into the backwashing water tank 30, the tap water enters the filter element 7 through the clear water inlet pipe, meanwhile, air at the air outlet of the air blowing device 40 also enters the filter element 7 through the air inlet pipe, the water and the air are matched with each other to wash away dirt on the filter element 7, the dirt flows out through the water inlet, and the circulation is a backwashing circulation system.

In a further preferred embodiment, the liquid storage container is further connected with an external filter barrel 90, the external filter barrel 90 is provided with an external water inlet pipe 901 and an external water outlet pipe 902 which are communicated with the liquid storage container 20, the external water inlet pipe 901 is provided with a water pump 60 for pumping the filter aid solution in the liquid storage container 20 into the external filter barrel 90, impurities are filtered out through the filtration of the external filter barrel 90, the filter aid solvent flows back into the liquid storage container 20 through the external water outlet pipe 902, and the circulation system is an external filtration circulation system.

Referring to fig. 5, in a preferred embodiment, the filtering apparatus further includes a frame 50 and a backwash water tank 30, the reservoir 20 being fixed to a lower portion of the frame 50, the backwash water tank 30 being connected to the frame 50 and suspended from an upper portion of the reservoir 20, the filter container 10 being fixed to one side of the backwash water tank 30; a central control screen 70 is also fixed on the frame 50, and the electronic valves on the filtering container 10 are all electrically connected with the central control screen 70. The structure is reasonable in arrangement, occupies less space and is more convenient to use. Specifically, the filter apparatus includes a plurality of hanging brackets attached to the top of the frame 50, and the backwash water tank 30 is placed on and supported by the hanging brackets.

In a preferred embodiment, the barrel body 1 is provided with an opening, the barrel body is further provided with a cover body, the cover body covers the opening, the barrel body 1 is a plastic barrel body 1, the cover body comprises a plastic layer and a metal reinforcing layer, the plastic layer is located on the inner side, and the metal reinforcing layer is located on the outer side (the inner side refers to one side close to the opening, and the outer side is the other side opposite to the inner side). In prior art, barrel body 1 and lid generally all adopt special metal material, and the cost is higher, and this application can reduce special metal material's use amount, reduce cost. At least one end of the barrel body 1 is provided with an opening, the cover body comprises a first cover body 21, the first cover body 21 is fixedly connected with the barrel body 1, the first cover body 21 covers the opening, the first cover body 21 is detachably connected with the barrel body 1, for example, one end of the first cover body 21 can be hinged with the barrel body 1, the other end of the first cover body 21 can be detachably connected with the barrel body 1, or the whole first cover body 21 can be detachably connected with the barrel body 1, when the first cover body 21 is opened, the filter element 7 can be placed in the barrel body 1, and the filter element 7 can be replaced and maintained.

Referring to fig. 6 and 7, in a further preferred embodiment, the cover further includes a second cover 22, the first cover 21 and the second cover 22 are respectively located at two ends of the tub body 1, a first reinforcing ring 31 and a second reinforcing ring 32 are fixed on the tub body 1, the first reinforcing ring 31 and the second reinforcing ring 32 are both metal rings, the first cover 21 is connected to the first reinforcing ring 31, and the second cover 22 is connected to the second reinforcing ring 32.

Referring to fig. 8, in a further preferred embodiment, a first reinforcing ring 31 is fixed to a first end of the tub body 1, a second reinforcing ring 32 is fixed to a second end of the tub body 1, and the first reinforcing ring 31 is hinged to the first cover 21 to facilitate the opening of the first cover 21. The second cover 22 is fixedly connected to the second reinforcing ring 32, and the second cover 22 is disposed to facilitate assembly of the filtering apparatus, but the second cover 22 is rarely opened after the filtering apparatus is manufactured, so that the second cover 22 is fixedly connected to the barrel body 1, and the connection between the second cover 22 and the barrel body can be more stable.

In a further preferred embodiment, the first cover body 21 includes a first plastic layer 110 and a first metal reinforcing layer 210, the first end of the tub body 1 is adjacent to the first plastic layer 110, a plurality of fixing grooves 111 are provided on the first cover body 21, and the fixing grooves 111 penetrate through the first plastic layer 110 and the first metal reinforcing layer 210. The first reinforcing ring 31 is provided with a plurality of first fixing rods 311, the free ends of the first fixing rods 311 penetrate through the fixing grooves 111 on the first plastic layer 110, the free ends of the first fixing rods 311 are connected with a fastening piece, the fastening piece is fixedly connected with the first cover body 21 and used for enabling the first plastic layer 110 and the first cover body 21 to be tightly connected and fixed, and a sealing ring is arranged between the first cover body 21 and the barrel body 1 to realize sealing. Further, the fastening member is a nut or a snap, the first fixing rod 311 is hinged to the first fastening ring 31, a groove matching with the fixing groove 111 is also formed in the first cover 21, the first fixing rod 311 is placed into the fixing groove 111 and the groove in the first cover 21, and the first cover 21 is fastened by the nut or the snap.

In a further preferred embodiment, the second cover 22 includes a second plastic layer 120 and a second metal reinforcing layer 220, the second plastic layer 120 also protrudes out of the sidewall of the barrel body 1, the second plastic layer 120 is provided with a plurality of fixing holes, a second fixing rod 321 penetrates through the fixing holes, one end of the second fixing rod 321 is connected with the second cover 22, and the other end is connected with the second reinforcing ring 32. Further, a through hole is also formed in the second cover 22, the second fixing rod 321 is hinged to the second reinforcing ring 32, the second fixing rod 321 penetrates through the through hole in the second cover 22, a nut is screwed to the end of the second fixing rod 321, and the second cover 22 and the tub body 1 are pressed tightly by the nut.

In a further preferred embodiment, the cartridge 1 is provided with a holder 120 for supporting the filter cartridge 10.

Referring to fig. 6, in a further preferred embodiment, a reinforcing body 211 is disposed on the first metal reinforcing layer 210, the reinforcing body 211 is fixedly connected to the outer surface of the first metal reinforcing layer 210 (the side of the first metal reinforcing layer 210 away from the tub body 1 in a state that the first cover 21 covers the tub body 1), a first end of the reinforcing body 211 protrudes from the first metal reinforcing layer 210, and a first end of the reinforcing body 211 is hinged to the first reinforcing ring 31. Since the first plastic layer 110 protrudes out of the outer wall of the barrel body 1, the first plastic layer 110 is spaced between the hinge fixed on the first reinforcing ring 31 and the first cover body 21, and the hinge connection between the first reinforcing ring 31 and the first cover body 21 can only be achieved indirectly through the reinforcing body 211.

In a further preferred embodiment, a plurality of reinforcing plates 212 are further disposed on the first cover 21, the reinforcing plates 212 are disposed in a strip shape, and the reinforcing plates 212 and the reinforcing plates 211 are disposed in a crossing manner, so that the structure is more stable.

In a further preferred embodiment, the reinforcement body 211 extends in a direction parallel to a horizontal plane, and when the first cover 21 is opened, the first cover 21 is turned over toward one side of the filter device. A handle 213 is further fixed to the reinforcing body 211 to facilitate opening of the first cover 21.

In a further preferred embodiment, the container body is cylindrical, a plurality of reinforcing rods 8 are fixed between the first reinforcing ring 31 and the second reinforcing ring 32, two ends of each reinforcing rod 8 are fixedly connected with the first reinforcing ring 31 and the second reinforcing ring 32 respectively, the plurality of reinforcing rods 8 are arranged at intervals, further, the reinforcing rods 8 are fixed on the two first fixing rods 311 and the two second fixing rods 321 which are opposite, and the first fixing rods 311, the second fixing rods 321 and the reinforcing rods 8 form a line, so that the fixing effect is better. The reinforcing rod 8 is connected with the first reinforcing ring 31 and the second reinforcing ring 32, the first reinforcing ring 31 and the second reinforcing ring 32 surround the barrel body 1, the first reinforcing ring 31 and the second reinforcing ring 32 are respectively connected with the first cover body 21 and the second cover body 22, the first cover body 21 and the second cover body 22 are respectively arranged at two ends of the barrel body 1, and the connecting structures enable the barrel body 1 to be reinforced in the radial direction and the axial direction.

Referring to fig. 7, in a preferred embodiment, the filter container further includes a rotating shaft 5 and a sealing assembly 4, the rotating shaft 5 is fixedly connected with the filter element 7, a first end of the rotating shaft 5 penetrates through the container body and extends out of the container body, and an external force can drive the rotating shaft 5 and the filter element 7 to rotate relative to the container body. It should be noted that the filter element includes a conventional filter element 7 and a filter disc. The sealing component 4 is fixed on the container body and communicated with the filter element 7, and the first end of the rotating shaft 5 penetrates through the sealing component 4. The container body is provided with a water inlet 13, a sewage outlet 14 and a filtered outlet 41, a cavity is formed between the container body and the filter element 7, the water inlet 13 and the sewage outlet 14 are communicated with the cavity, the sealing assembly 4 is provided with the filtered outlet 41, and the filtered outlet 41 is communicated with the filter element 7. During the use, sewage gets into filter equipment from water inlet 13, and through the filtration of filter core 7, clean water gets into the inside of filter core 7, gets into seal assembly 4 through filter core 7, flows to filter equipment's outside through the export 41 after the filtration on seal assembly 4.

In a further preferred embodiment, the sealing assembly is further provided with an air inlet 42 and a washing water inlet 44, the air inlet 42 is communicated with an air inlet pipe, the washing water inlet is communicated with a clean water inlet pipe, clean water is injected into the washing water inlet 44, and the air inlet 42 is filled with high-pressure air, so that the air inlet and the clean water inlet are matched to wash the filter element. An exhaust hole 16 is also provided at the top of the filter device, and the exhaust hole 16 is communicated with an exhaust pipe 104.

In a further preferred embodiment, the inner return line communicates with the return port 46.

In a further preferred embodiment, the second cover 22 is further provided with a backflow outlet 15, the backflow outlet 15 is communicated with the liquid storage and outlet pipe 202, and the liquid medicine can enter the filtering apparatus from the water inlet 13 and exit from the backflow outlet 15, so that the recycling of the liquid medicine can be realized. The liquid medicine is prepared by filter aid and clean water or electroplating solution, and is attached to the filter element 7 so as to change the filtering density of the filter element 7.

Referring to fig. 8 and 9, in the preferred embodiment, the sealing assembly 4 is provided with a detection drip pipe 45, and the detection drip pipe 45 is communicated with the inside of the sealing assembly 4 and is arranged in an open manner with a downward opening. The external power device 80 drives the rotating shaft 5 and the filter element 7 to rotate, and the position of the filter element 7 extending out of the filter device is sealed by the sealing assembly 4, and the sealing filler is filled in the sealing assembly 4. Under normal conditions, the sealing performance of seal assembly 4 is good, detects the phenomenon that drip 45 can not appear dripping, when pivot 5 or seal assembly 4 deviate from the original position or the sealing filler in seal assembly 4 is worn and torn, will have liquid to ooze from seal assembly 4, and then drips from detecting drip 45. When the dripping phenomenon of the dripping pipe 45 is detected, it is indicated that the filter device needs to be maintained.

In further preferred embodiment, bucket body 1 is PPH plastic drum body 1, is provided with manometer 6 on this filter equipment, and manometer 6 can show the inside pressure of filter equipment, can judge filterable precision through the size of pressure, can also judge whether need wash filter equipment.

According to the invention, the liquid storage container is arranged, the electroplating solution in the filter cavity is discharged into the liquid storage container for temporary storage before the filtering of the filtering waterway is finished and the backwashing is carried out, and the electroplating solution in the liquid storage container is conveyed to the filter cavity for filtering after the backwashing is finished, so that the waste is avoided.

According to the invention, the acid-base neutralization assembly is arranged, acid or alkaline liquid is added into the backwashing water tank and then enters the filtering container for cleaning the filter element, so that the filter element can be cleaned more thoroughly.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express the specific embodiments of the invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.