CN211664837U

CN211664837U - Industrial wastewater filtering device

Info

Publication number: CN211664837U
Application number: CN202021452929.5U
Authority: CN
Inventors: 郭丽华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-10-13
Anticipated expiration: 2030-07-22

Abstract

The utility model is suitable for a waste water filters the field, provides an industrial waste water filter equipment, including filter chamber, compressed air injector, two pieces of compressed air injectors are installed to the bottom of filter chamber, and the outlet is installed to the bottom right side border position of filter chamber, and the fixed end cover has been installed on the upper portion of compressed air injector, and the mount has been installed to the lower part of compressed air injector, and the compressed air shower nozzle is equipped with to the inside of compressed air injector, and the compressed air pipe, the external air compressor of compressed air pipe have been connected to the compressed air shower nozzle inboard. The utility model discloses an air floatation method realizes carrying out filtration treatment to the flocculating constituent in the waste water after the preliminary treatment, and the compressed air injector is installed in the filter chamber bottom, and the compressed air shower nozzle in the compressed air injector arranges the direction for the horizontal direction for the air can combine to produce slight bubble with waste water fully, thereby increases the filtration rate of flocculation thing in the waste water.

Description

Industrial wastewater filtering device

Technical Field

The utility model belongs to waste water filters the field, especially relates to an industrial waste water filter equipment.

Background

The industrial electroplating wastewater treatment refers to the treatment of wastewater or waste liquid discharged by electroplating production. The waste water and liquid from electroplating plants contain a large amount of metal ions such as: chromium, nickel, cyanogen, acid, alkali and organic additive. Some metal ions exist in a simple cation form, some exist in an acid radical anion form, and some exist in a complex ion form. The electroplating wastewater treatment is usually carried out by chemical methods such as neutralization precipitation method, neutralization coagulation precipitation method, oxidation method, reduction method, barium salt method, ferrite method, air floatation method and the like. The chemical method has simple equipment, less investment and wider application, but often leaves sludge which needs further treatment.

The principle of treating industrial electroplating wastewater by an air floatation method is as follows: carrying out oxidation-reduction reaction on ferrous sulfate and hexavalent chromium under an acidic condition. Then, flocculating constituent is generated under alkaline condition (sodium hypochlorite is added into dissolved air water to make it become alkaline solution), and the flocculating constituent floats on the water surface under the action of countless micro-bubbles to make the water quality clear. In the engineering for treating industrial electroplating wastewater, the air flotation technology replaces the original precipitation technology.

SUMMERY OF THE UTILITY MODEL

The utility model provides an industrial wastewater filtering device, which aims to solve the problem that fine bubbles can not be fully generated when the industrial electroplating wastewater is filtered by an air floatation method, and the ideal filtering effect can not be achieved.

The utility model is realized in such a way, an industrial wastewater filtering device, which comprises a filtering chamber and a compressed air injector, and is characterized in that a foot rest is arranged at the lower part of the filtering chamber, a wastewater injection pipe is connected at the lower part of the left side of the filtering chamber, a water injection pipe is connected at the upper part of the left side of the filtering chamber, a waste residue discharge port is connected at the right side of the filtering chamber, an air exchange port is connected at the upper side of the filtering chamber, two compressed air injectors are installed at the bottom of the filtering chamber, a water discharge port is installed at the edge position of the right side of the bottom of the filtering chamber, a diversion trench is arranged inside the right side of the filtering chamber, a filtering net is installed inside the water discharge port, a fixed end cover is installed at the upper part of the compressed air injector, a, the inner side of the compressed air nozzle is connected with a compressed air conduit, and the compressed air conduit is externally connected with an air compressor.

Further, the compressed air nozzles are evenly distributed in all directions of the compressed air injector.

Still further, the compressed air conduits are individually arranged inside the compressed air injectors, respectively.

Furthermore, the circle center of the water injection pipe and the lower edge of the waste residue discharge port are on the same horizontal plane.

Furthermore, the inner wall of the filter chamber is made of 316 stainless steel.

Further, the upper surface of the compressed air injector is a regular hexagon.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an air floatation method realizes carrying out filtration treatment to the flocculating constituent in the waste water after the preliminary treatment, because the compressed air injector is installed in the filter chamber bottom, and the compressed air shower nozzle in the compressed air injector arranges the direction for the horizontal direction, so the air can combine to produce slight bubble with waste water fully to increase the filtration rate of flocculation thing in the waste water.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a first perspective cross-sectional view of the present invention;

fig. 3 is a second perspective cross-sectional view of the present invention;

FIG. 4 is a schematic view of a compressed air injector part configuration;

fig. 5 is a schematic view of the internal parts of the compressed air injector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-5, an industrial wastewater filtering apparatus comprises a filtering chamber 3 and a compressed air injector 7, and is characterized in that a foot stool 10 is arranged at the lower part of the filtering chamber 3, a wastewater injection pipe 1 is connected to the lower part of the left side of the filtering chamber 3, a water injection pipe 2 is connected to the upper part of the left side of the filtering chamber 3, a waste residue discharge port 5 is connected to the right side of the filtering chamber 3, an air exchange port 4 is connected to the upper side of the filtering chamber 3, two compressed air injectors 7 are installed at the bottom of the filtering chamber 3, a water discharge port 6 is installed at the edge position of the right side of the bottom of the filtering chamber 3, a diversion trench 9 is arranged inside the right side of the filtering chamber 3, a filtering net 8 is installed inside the water discharge port 6, a fixed end cover 702 is installed at the upper part of, the compressed air nozzle 701 is connected with a compressed air conduit 704 inside, and the compressed air conduit 704 is externally connected with an air compressor.

The wastewater inlet pipe 1 is located at the lower left side of the filtering chamber 3 to prevent wastewater from dispersing the formed floc bubble mixture. The waste residue discharge port 5 is obliquely arranged at the right side of the filter chamber 3, so that waste residue is convenient to discharge. An air exchange port 4 is placed on the upper side of the filtering chamber 3 for equalizing the air pressure inside the filtering chamber 3. The water outlet 6 is arranged at the right part of the lower side of the filter chamber 3 and is used for discharging the filtered treated water which is then connected into the water injection pipe 2, thereby achieving the purpose of recycling. The inner guide groove 9 is in an inclined plane shape and used for guiding the waste residue discharge.

The compressed air injector 7 is installed at the lower part of the inner side of the filtering chamber, so that the flocculating constituent in the waste water can be effectively contacted with the air bubbles. The installation direction of compressed air shower nozzle 701 is the horizontal direction, and the installation contained angle is 60, is regular hexagon and distributes to this flocculating constituent that guarantees to sink in the bottommost also can contact with the bubble. The compressed air conduits 704 are each individually arranged inside the compressed air injector, thereby ensuring a maximum injection pressure. The installation slot of the compressed air nozzle 701 in the fixing frame 703 is stepped, so that the compressed air nozzle 701 generates reverse thrust during operation to balance the thrust during operation.

The circle center of the water injection pipe 2 is on the same horizontal plane with the lower side of the waste residue discharge port 5, and is used for guiding the flocculating constituent bubble mixture to the waste residue discharge port 5 and then discharging.

The inner wall of the filter chamber 3 is made of 316 stainless steel, and the 316 stainless steel has good corrosion resistance and high temperature resistance.

The utility model discloses in the course of the work, pending waste water pours into filter chamber 3 into from waste water injection pipe 1 in, best water injection line is down along down 20mm for waste residue discharge port 5, when pending waste water reaches best water injection line position in waiting filter chamber 3, start compressed air injector 7, compressed air pours into waste water into from compressed air injector 7, come-up after 3 bottoms of filter chamber and waste water mixture production fine bubble, the bubble is with flocculation thing in the waste water and takes to the waste water surface of water, after working a period of time, water injection pipe 2 slowly pours into rivers into, cause flocculation thing bubble mixture to discharge 5 discharges of waste residue discharge port, waste water after the filtration is discharged from outlet 6 after filter screen 8 secondary filtration and is handled on next step, waste water after the part is handled inserts water injection pipe 2 mesocycle uses.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an air floatation method realizes carrying out filtration treatment to the flocculating constituent in the waste water after the preliminary treatment, because compressed air injector 7 is installed in filter chamber 3 bottom, and compressed air shower nozzle 701 in the compressed air injector 7 arranges the direction for the horizontal direction, so the air can combine to produce slight bubble with waste water fully to increase the filtration rate of flocculation in the waste water.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an industrial wastewater filtering device, includes filter chamber (3), compressed air injector (7), its characterized in that, filter chamber (3) lower part is equipped with foot rest (10), the left side sub-unit connection waste water injection pipe (1) of filter chamber (3), water injection pipe (2) have been connected on the left side upper portion of filter chamber (3), waste residue discharge port (5) have been connected on the right side of filter chamber (3), air exchange mouth (4) have been connected to the upside of filter chamber (3), two are installed to the bottom of filter chamber (3) compressed air injector (7), outlet (6) are installed to the bottom right side border position of filter chamber (3), inside guiding gutter (9) that is equipped with in the right side of filter chamber (3), the internally mounted of outlet (6) has filter screen (8), fixed end cover (702) have been installed on the upper portion of compressed air injector (7), the lower part of the compressed air injector (7) is provided with a fixing frame (703), the compressed air injector (7) is internally provided with a compressed air spray head (701), the inner side of the compressed air spray head (701) is connected with a compressed air conduit (704), and the compressed air conduit (704) is externally connected with an air compressor.

2. The industrial wastewater filtering apparatus according to claim 1, wherein the compressed air nozzles (701) are uniformly distributed in each direction of the compressed air injector (7).

3. An industrial wastewater filtering device according to claim 1, characterized in that the compressed air conduits (704) are individually arranged inside the compressed air injectors (7), respectively.

4. The industrial wastewater filtering apparatus according to claim 1, wherein the center of the water injection pipe (2) is located on the same horizontal plane as the lower edge of the slag discharge port (5).

5. An industrial wastewater filtering apparatus according to claim 1, characterized in that the inner wall of the filtering chamber (3) is 316 stainless steel.

6. The industrial waste water filtering device according to claim 1, wherein the upper surface of the compressed air injector (7) is a regular hexagon.