CN211688648U

CN211688648U - Frequency conversion sewage filtering device

Info

Publication number: CN211688648U
Application number: CN201922157877.2U
Authority: CN
Inventors: 易志芳; 易志东
Original assignee: Nanjing Shunshuida Environmental Protection Technology Co ltd
Current assignee: Nanjing Shunshuida Environmental Protection Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-10-16
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a frequency conversion sewage filtering device, which comprises a shell, wherein the shell is provided with an aeration pipe arranged at the transverse position of the shell, the aeration pipe is connected with an air pump to aerate into the shell, the top part of the shell is provided with a replaceable filter screen device connected in the shell in a drawing and inserting way, a water outlet pipe connected to the side surface of the top part of the shell is wound on a coil outside the shell, and the coil is connected with a frequency conversion controller; the replaceable filter screen device is connected with the shell in a sealing way through a sealing ring, and the replaceable filter screen device is provided with: the middle position of the bottom of the top cover is connected with a filtering cross rod through a double-lug joint; the filter cross rod is sleeved with a plurality of filter screens; each filter screen is close to the leak protection portion of bending that still has the upward bending in the bottom of aeration pipe, has prevented that the residue of adhesion on the filter screen from droing in the casing when changing. The utility model discloses a frequency conversion sewage filter equipment, the filter screen is changed conveniently, and the energy saving, sewage aeration and frequency conversion treatment combine, can high-efficient treatment sewage to improve sewage treatment efficiency.

Description

Frequency conversion sewage filtering device

Technical Field

The utility model relates to a sewage treatment device technical field especially relates to a frequency conversion sewage filter equipment.

Background

In the water environment treatment process, a filtration separation technology is usually adopted to purify the sewage, and a common device is a vibration filter device, and an air-floating vibration filter device is one of the vibration filter devices. In the air-floating type vibration filtering equipment, a vibration filtering structure is a filtering barrel, a plurality of parallel filtering plates are arranged in the filtering barrel, an air-floating pipe is arranged below the filtering plates, and the air-floating pipe is connected with an air pump; during operation, the filter carries out vibration filter and produces the bubble to its below, and the effect of bubble is on the one hand to improve the filter effect, and on the other hand can also avoid the micropore blocking on the filter to improve filtration efficiency. Above-mentioned vibration filtration is owing to only set up the air supporting pipe in the bottom of filter vat, and the top of filter receives the influence of bubble less, consequently still has the phenomenon of filter upper portion jam, and its filtration efficiency still remains to be improved to the sewage induction pipe is unreasonable with the position arrangement of contact tube, leads to efficiency lower equally.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a set up coil and frequency conversion controller outside the casing of sewage filtering device, set up aeration pipe and air pump in the bottom of casing simultaneously and aerate to the casing to a frequency conversion sewage filtering device of sewage treatment's speed with higher speed.

The utility model adopts the technical proposal that: the utility model provides a frequency conversion sewage filter equipment, includes the casing, and wherein the casing is equipped with:

an aeration pipe arranged at the transverse position of the shell, wherein the aeration pipe is connected with an air pump to aerate the shell;

-the top is provided with a replaceable filter screen device which is connected in a drawing and inserting way;

-a water outlet pipe connected to the top side thereof;

-a coil wound around the outside thereof, the coil being connected to a variable frequency controller;

the replaceable filter screen device is connected with the shell in a sealing way through a sealing ring, and the replaceable filter screen device is provided with:

-a top cover, the bottom middle position being connected to the filter rail by a binaural joint;

-a filter cross-bar sleeved with a plurality of filter screens;

each filter screen is also provided with an upward bent leakage-proof bent part at the bottom close to the aeration pipe, so that residues adhered to the filter screen can be prevented from falling off in the shell when the filter screen is lifted and replaced.

Furthermore, two ends of the filtering cross rod are respectively provided with an anti-falling end cover, and the anti-falling end covers can be pressed on the filtering cross rod through the sealing rings.

Furthermore, the upward-bent leakage-proof bent part corresponding to each filter screen is fixed through a fixing gland.

Furthermore, a pressing strip is arranged at the top of each filter screen, a filter connecting bush is fixed at the top of the pressing strip, and the filter connecting bush is sleeved in the filter cross rod.

Further, at least one handle component is arranged on the top of the top cover.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a frequency conversion sewage filter equipment sets up coil and variable frequency controller in sewage filter equipment's the casing outside, sets up aeration pipe and air pump aeration in to the casing in the bottom of casing simultaneously to sewage treatment's speed accelerates.

The frequency conversion sewage treatment plant of this structure uses variable frequency controller control sewage treatment, and is power consumptive little, and the working costs is low, owing to set up large tracts of land filter equipment to this removable formula filter screen device can directly be carried out and change the filter screen, perhaps directly more changes whole removable formula filter screen device, is difficult to take place to block up, thereby has improved maintenance efficiency.

To sum up, the utility model discloses a frequency conversion sewage filter equipment, the filter screen is changed conveniently, and the energy saving, sewage aeration and frequency conversion treatment combine, can high-efficient treatment sewage to improve sewage treatment efficiency.

Drawings

FIG. 1 is a front view of a variable frequency sewage filtration apparatus;

FIG. 2 is a structural diagram of the outer contour of a frequency conversion sewage filtering device;

FIG. 3 is a structural view of the replaceable filter unit;

fig. 4 is a structural view of the filter net 34;

wherein: 1-a shell, 2-an air pump, 3-a replaceable filter screen device, 31-a top cover, 32-a double lug joint, 33-a filter cross rod, 34-a filter screen, 35-an upward bent leakage-proof bent part, 36-an anti-dropping end cover, 37-a filter connecting lining, 38-a fixed gland and 39-a pressing strip; 4-coil, 5-frequency conversion controller, 6-water outlet pipe, 7-aeration pipe, 8-sealing ring and 9-handle component.

Detailed Description

In order to deepen the understanding of the present invention, the present invention is further explained with reference to the drawings and the embodiments, which are only used to explain the present invention and are not limited to the protection scope of the present invention.

As shown in figure 1, the frequency conversion sewage filtering device comprises a shell 1, wherein the shell 1 is provided with

An aeration pipe 7 arranged in the transverse position thereof, the aeration pipe 7 being connected to an air pump 2 for aerating the interior of the housing 1;

the top is provided with a replaceable filter screen device 3 which is connected in a drawing and inserting way;

a water outlet pipe 6 connected to the top side thereof;

a coil 4 wound on the outside thereof, the coil 4 being connected to a variable frequency controller 5, as can be seen in fig. 2;

the replaceable filter device 3 is connected to the housing 1 in a sealing manner by a seal ring 8, and the replaceable filter device 3 includes:

a top cover 31, connected at a bottom intermediate position to a filtering crossbar 33 by means of a double lug 32;

a filter cross-bar 33, sleeved with a plurality of filter screens 34;

each filter screen 34 is also provided with an upward bent anti-leakage bent part 35 near the bottom of the aeration pipe 7, so that residues adhered to the filter screen can be prevented from falling off in the casing when the filter screen is lifted and replaced, the function of salvaging the residues is achieved, the residues are salvaged when the filter screen is replaced, and the filter replacement efficiency is improved.

In the above embodiment, two ends of the filter cross bar 33 are respectively provided with an anti-dropping end cap 36, and the anti-dropping end caps can be pressed on the filter cross bar through a sealing ring, and can also be fixed on the filter cross bar through a thread fit manner, so as to prevent the filter screen 34 from being separated from the filter cross bar from the side.

As shown in fig. 1 and 3, the upward bent leak-proof bent portion 35 corresponding to each filter screen 34 is fixed by a fixing gland 38, so as to bear a certain impact force when the filter screen 34 is lifted up, thereby preventing the filter screen from falling off, where the fixing gland may be a groove-shaped pressing bar, the filter screen 34 is directly pressed into the groove of the fixing gland for fixing, the fixing manner may be interference, or a bolt assembly or the like may be fixed or bonded or welded, as long as it can be fixed.

In the above embodiment, as can be seen from fig. 3 and 4, a pressing strip 39 is disposed on the top of each filter screen 34, a filter connecting bush 37 is fixed on the top of the pressing strip 39, and the filter connecting bush 37 is sleeved on the filter cross bar 33, so that the filter screen 34 is directly sleeved on the filter cross bar 33, and the design and the fixed connection structure of the integrated filter screen are realized, so as to be conveniently taken out or sleeved on the filter cross bar 33 directly.

In the above embodiment, at least one handle assembly 9 is arranged on the top of the top cover 31 for taking or putting down the whole replaceable filter screen device, so that the use is convenient.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims

1. The utility model provides a frequency conversion sewage filter equipment which characterized in that: comprising a housing (1), wherein the housing (1) is provided with:

-an aeration pipe (7) arranged in a transverse position thereof, the aeration pipe (7) being connected to an air pump (2) for aerating the interior of the housing (1);

-a replaceable filter screen unit (3) arranged at the top and connected thereto in a plug-and-play manner;

-a water outlet pipe (6) connected to the top side thereof;

-a coil (4) wound around the outside thereof, said coil (4) being connected to a variable frequency controller (5);

the replaceable filter screen device (3) is connected to the housing (1) in a sealing manner by means of a sealing ring (8), and the replaceable filter screen device (3) has:

-a top cover (31) connected at a bottom intermediate position to a filtering cross-bar (33) by means of a double lug joint (32);

-a filtering cross-bar (33) sleeved with a plurality of filtering nets (34);

each filter screen (34) is also provided with an upward bent leak-proof bent part (35) close to the bottom of the aeration pipe (7).

2. The variable-frequency sewage filtering device according to claim 1, wherein: two ends of the filtering cross rod (33) are respectively provided with an anti-drop end cover (36).

3. The variable-frequency sewage filtering device according to claim 1, wherein: the upward bent leak-proof bent part (35) corresponding to each filter screen (34) is fixed through a fixed gland (38).

4. The variable-frequency sewage filtering device according to claim 1, wherein: a pressing strip (39) is arranged at the top of each filter screen (34), a filter connecting bushing (37) is fixed at the top of the pressing strip (39), and the filter connecting bushing (37) is sleeved into the filter cross rod (33).

5. The variable-frequency sewage filtering device according to any one of claims 1 to 4, wherein: at least one handle component (9) is arranged on the top of the top cover (31).