CN212283111U

CN212283111U - Novel filtering device

Info

Publication number: CN212283111U
Application number: CN202020746456.3U
Authority: CN
Inventors: 王德新; 吴振生; 任子龙; 王书然
Original assignee: Jilin Detai Feed Technology Development Co ltd
Current assignee: Jilin Detai Feed Technology Development Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-01-05
Anticipated expiration: 2030-05-08

Abstract

The utility model relates to a novel filter, include: the device comprises a cylindrical filter shell, a filter screen assembly and a sewage discharge nozzle, wherein the top end of the filter shell is provided with a source water inlet and a purified water outlet, the filter screen assembly is arranged in the filter shell, and the bottom of the filter shell is provided with the sewage discharge nozzle; a back flush valve is arranged at the sewage discharge nozzle; the screen assembly includes: the first filter screen, the second filter screen and the third filter screen are vertically arranged and in a cylindrical shape; the first filter screen is arranged at the periphery of the second filter screen; the second filter screen is arranged at the periphery of the third filter screen; the first filter screen and the second filter screen are connected through a ring bottom at the lower end; the second filter screen is connected with the third filter screen through a ring top at the upper end; the lower end of the third filter screen is closed by a round bottom; the upper end of the first filter screen is communicated with the purified water outlet. The utility model discloses a novel filter equipment through the vertical three-layer filter screen that sets up, has realized the high-efficient filtration of source water, filters the impurity of aquatic, silt, iron rust, worm's ovum.

Description

Novel filtering device

Technical Field

The utility model relates to a water purification treatment technical field, in particular to novel filter.

Background

The filtering device is widely applied to the fields of metallurgy, electric power, petrifaction, environmental protection, agricultural water conservancy and the like. The source water is generally filtered by arranging a filtering device on a pipeline, and impurities, silt, rust and ova in the water are preliminarily removed.

When the filtering device in the prior art works, water to be filtered enters from the water inlet, flows through the filter screen and enters the pipeline through the outlet, and particle impurities in the water are intercepted at the filter screen. The filtering device does not have a back washing function, the filter is large in size, large in occupied space, low in efficiency and inconvenient to clean, impurities after being filtered cannot be discharged outside the filter in time, the filter screen is easy to block, and the filtering efficiency of the filter is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the technical problem among the prior art, provide a filter screen and wash easily, can keep high-efficient filterable novel filter equipment.

In order to solve the technical problem, the technical scheme of the utility model is specifically as follows:

a novel filtration device comprising: the device comprises a cylindrical filter shell, a filter screen assembly and a sewage discharge nozzle, wherein the top end of the filter shell is provided with a source water inlet and a purified water outlet, the filter screen assembly is arranged in the filter shell, and the bottom of the filter shell is provided with the sewage discharge nozzle; a back flush valve is arranged at the sewage discharge nozzle;

the screen assembly includes: the first filter screen, the second filter screen and the third filter screen are vertically arranged and in a cylindrical shape; the first filter screen is arranged at the periphery of the second filter screen; the second filter screen is arranged at the periphery of the third filter screen; the first filter screen and the second filter screen are connected through a ring bottom at the lower end; the second filter screen is connected with the third filter screen through a ring top at the upper end; the lower end of the third filter screen is closed by a round bottom; the upper end of the first filter screen is communicated with the purified water outlet;

the sewage can enter the filter shell from the source water inlet, is discharged from the purified water outlet after being filtered by the filter screen assembly, and impurities in the water intercepted by the filter screen assembly can be deposited at the sewage discharge nozzle and can be discharged periodically.

In the above technical scheme, the first filter screen, the second filter screen and the third filter screen are all provided with filter holes, and the aperture of each filter hole is 40 micrometers.

In the above technical scheme, the first filter screen, the second filter screen and the third filter screen are stainless steel woven filter screens.

In the above technical scheme, first filter screen with between the second filter screen, the second filter screen with between the third filter screen, all be equipped with the support rack, this support rack can support first filter screen the second filter screen with the third filter screen resists water impact.

In the above technical solution, the second filter screen and the third filter screen have the same height, which is 50% to 75% of the filter shell.

In the above technical solution, the height of the second sieve and the third sieve is 60% of the filter shell.

In the technical scheme, the diameter of the first filter screen is 130-285% of that of the second filter screen; the diameter of the second filter screen is 130-285% of that of the third filter screen.

In the above technical solution, the diameter of the first filter screen is 150% of the diameter of the second filter screen; the diameter of the second screen is 150% of the third screen.

In the technical scheme, the diameter of the first filter screen is 30-85% of the filter shell.

In the above technical solution, the diameter of the first screen is 70% of the filter shell.

The utility model discloses following beneficial effect has:

the utility model discloses a novel filter equipment through the vertical three-layer filter screen that sets up, has realized the high-efficient filtration of source water, filters the impurity of aquatic, silt, iron rust, worm's ovum.

The utility model discloses a novel filter equipment can realize the back flush of filter screen through the back flush valve of opening blowdown mouth department, and is simple high-efficient, easy to operate.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of the longitudinal section structure of the novel filtering device of the present invention.

Fig. 2 is a schematic view of the cross-sectional structure a-a of the novel filtration device shown in fig. 1.

The reference numerals in the figures denote:

1-source water inlet; 2-a purified water outlet; 3-a screen assembly; 4-a sewage draining nozzle; 5-filtering the shell;

31-a first screen; 32-a second screen; 33-a third screen; 34-ring bottom; 35-ring top; 36-round bottom; 41-back flushing valve.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and 2, the novel filtering device of the present invention includes a cylindrical filtering shell 5. The top of this filter shell 5 is equipped with source water inlet 1 and pure water delivery port 2, and the inside of filter shell 5 is equipped with filter screen assembly 3, and the bottom of filter shell 5 is equipped with blowdown mouth 4. A back flush valve 41 is also arranged at the sewage draining nozzle 4.

The screen assembly 3 includes: vertically, first filter screen 31, second filter screen 32 and the third filter screen 33 of drum shape to, first filter screen 31, second filter screen 32 and third filter screen 33 use the axis of straining shell 5 respectively as the center, central setting. The third screen 33, the second screen 32 and the first screen 31 are arranged in sequence from inside to outside. The first filter screen 31 and the second filter screen 32 are connected through a lower ring bottom 34; the second filter screen 32 is connected with the third filter screen 33 through a ring top 35 at the upper end; the lower end of the third sieve 33 is closed by a rounded bottom 36. The upper end of the first filter screen 31 is communicated with the purified water outlet 2.

Sewage can get into filter shell 5 by source water inlet 1, is discharged by water purification delivery port 2 after the filtration of filter screen subassembly 3, and the impurity deposit of the aquatic that is intercepted by filter screen subassembly 3 can be in blowdown mouth 4 department. The first filter net 31 and the second filter net 32 can be backwashed by opening the backwash valve 41, so that periodic sewage discharge is realized.

The first filter screen 31, the second filter screen 32 and the third filter screen 33 are stainless steel woven filter screens, and filter holes are formed in the stainless steel woven filter screens, and the aperture of each filter hole is 40 micrometers. Between first filter screen 31 and second filter screen 32, between second filter screen 32 and third filter screen 33, there is a support net support that supports first filter screen 31, second filter screen 32 and third filter screen 33 against water impact.

The height of the second screen 32 and the third screen 33 is the same and is 60% of the filter housing 5. The diameter of the first screen 31 is 150% of that of the second screen 32; the diameter of the second screen 32 is 150% of the third screen 33. The diameter of the first sieve 31 is 70% of the sieve housing 5.

In other embodiments, the height of the second and third screens may also be other values in the range of 50-75% of the height of the filter housing; the diameter of the first filter screen can be other numerical values within the range of 130-285% of the diameter of the second filter screen; the diameter of the second filter screen can be other numerical values within the range of 130-285% of the diameter of the third filter screen; the diameter of the first filter screen can be other values within the range of 30-85% of the diameter of the filter shell; as long as the filtering efficiency of the filtering apparatus can be ensured, it will not be described herein.

The utility model discloses a filter equipment through the inside and outside two-layer filter screen of vertical setting, has realized that the source water high efficiency filters, filters the impurity of aquatic, silt, iron rust, worm's ovum. The utility model discloses a filter equipment can realize the back flush of filter screen through the back flush valve of opening blowdown mouth department, and is simple high-efficient, easy to operate.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A novel filter device, comprising: the device comprises a cylindrical filter shell (5), wherein the top end of the filter shell (5) is provided with a source water inlet (1) and a purified water outlet (2), a filter screen assembly (3) is arranged in the filter shell, and the bottom of the filter shell is provided with a sewage discharge nozzle (4); a back flush valve (41) is arranged at the sewage discharge nozzle (4);

the screen assembly (3) comprises: a first filter screen (31), a second filter screen (32) and a third filter screen (33) which are vertically arranged and in a cylinder shape; the first sieve (31) is arranged at the periphery of the second sieve (32); the second sieve (32) is arranged at the periphery of the third sieve (33); the first filter screen (31) and the second filter screen (32) are connected through a ring bottom (34) at the lower end; the second filter screen (32) is connected with the third filter screen (33) through a ring top (35) at the upper end; the lower end of the third filter screen (33) is closed by a round bottom (36); the upper end of the first filter screen (31) is communicated with the purified water outlet (2);

sewage can be by source water inlet (1) gets into strain shell (5), process the filtration back of filter screen subassembly (3) by water purification delivery port (2) are discharged, by the impurity deposit of the aquatic that filter screen subassembly (3) intercepted can be in regularly discharge blow-off mouth (4) department.

2. The new filtering device according to claim 1, characterized in that said first screen (31), said second screen (32) and said third screen (33) are provided with filtering holes having a diameter of 40 microns.

3. The new filtering device according to claim 1, characterized in that said first screen (31), said second screen (32) and said third screen (33) are all stainless steel woven screens.

4. A new filter device according to claim 1, characterised in that between the first (31) and second (32) and third (33) sieves, there are supporting grids which support the first (31), second (32) and third (33) sieves against the impact of the water flow.

5. A new filtering device, according to claim 1, characterized in that said second sieve (32) and said third sieve (33) have the same height, which is 50% to 75% of said filtering shell (5).

6. A new filtering device, according to claim 5, characterized in that the height of said second sieve (32) and said third sieve (33) is 60% of the filtering shell (5).

7. The new filtering device according to claim 1, characterized in that the diameter of said first sieve (31) is 130-285% of said second sieve (32); the diameter of the second filter screen (32) is 130-285% of that of the third filter screen (33).

8. The new filtering device according to claim 7, characterized in that the diameter of said first sieve (31) is 150% of the diameter of said second sieve (32); the diameter of the second sieve (32) is 150% of the third sieve (33).

9. A new filter device according to claim 1, characterised in that the diameter of the first sieve (31) is 30-85% of the filter housing (5).

10. A new filtering device, according to claim 9, characterized in that said first sieve (31) has a diameter of 70% of said filtering shell (5).