CN112390350A

CN112390350A - Pasg oxygenation equipment

Info

Publication number: CN112390350A
Application number: CN202011277461.5A
Authority: CN
Inventors: 周昔文
Original assignee: Guizhou Lvli Environmental Protection Technology Co ltd
Current assignee: Guizhou Lvli Environmental Protection Technology Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-02-23
Anticipated expiration: 2040-11-16
Also published as: CN112390350B

Abstract

The invention discloses a Pasg oxygenation device, and belongs to the technical field of sewage treatment. A Pasg oxygenation device comprises an outer pipe, a middle pipe is sleeved in the middle of the outer pipe, an upper volute is arranged on the left side of the outer pipe in a penetrating mode, the upper volute penetrates through the left side wall of the middle pipe and is sleeved inside the middle pipe, an inner pipe is arranged on the top of the upper volute in a penetrating mode, a plurality of air outlet pipes are symmetrically arranged on the left side and the right side of the lower end portion of the inner pipe, and an air inlet B is formed between the middle pipe and the outer pipe. The equipment is free from maintenance.

Description

Pasg oxygenation equipment

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a Pasg oxygenation device.

Background

AAO, SBR, and other power water treatment systems are all provided with forced aeration systems;

PASG is a sewage treatment process technology, mainly composed of two-stage treatment, the first stage is anaerobic biochemical treatment, the second stage is comprehensive biochemical treatment, (aerobic + facultative treatment); the technology basically does not need additional power, the power requirement is mainly that water in an anaerobic reaction tank is pumped to a comprehensive biochemical tank by a sewage (WG type) pump for water distribution, and the sewage is treated again after being naturally absorbed with oxygen (from anaerobic state → oxygen enrichment).

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide a Pasg oxygenation device, which aims to solve the problems in the background technology:

the sewage from the existing anaerobic and anoxic pond contains no oxygen or trace oxygen, and needs a large amount of oxygen to oxidize the sewage, so the oxygen content of the sewage needs to be improved.

2. Technical scheme

The utility model provides a Pasg oxygen equipments, includes the outer tube, outer tube middle part cover is equipped with well pipe, the outer tube left side is run through and is equipped with the volute, it passes well inside pipe left side wall cover is located to well pipe to go up the volute, it runs through and is equipped with the inner tube to go up the volute top, inner tube downside tip bilateral symmetry is equipped with a plurality of outlet ducts, form air inlet B between well pipe and the outer tube.

Preferably, the upper volute is composed of a horizontal shell and a vertical shell, the vertical shell is located on the lower portion of the right side of the horizontal shell, a water inlet is formed in the left side of the horizontal shell, a mounting opening is formed in the top surface of the horizontal shell, an inner pipe of the mounting opening is connected in a sealing mode, and an interface A is formed in the lower portion of the vertical shell.

Preferably, a connecting port A is formed in the left side of the outer pipe, and the connecting port A is connected with the transverse shell in a sealing mode.

Preferably, the upper part of the inner tube is provided with an air inlet A, and the end part of the air outlet tube is provided with an inclined plane with a downward tube opening.

Preferably, a connector B is formed in the left side of the middle pipe and is connected with the transverse shell in a sealing mode, a conical pipe is sleeved in the middle of the middle pipe, an interface B is formed in the upper portion of the conical pipe, the bottom surface of the conical pipe and the inner wall of the middle pipe are of an integrated structure, and the interface B is fixedly connected with the interface A.

Preferably, the well pipe is located the conical tube lower part and is equipped with half limit hollow pipe, half limit hollow pipe outer wall and well intraductal wall connection are fixed, well tub of outer wall is located half limit hollow pipe left and right sides symmetry and is equipped with two intake pipes, the intake pipe is located in air inlet B between well pipe and the outer tube, well tub of bottom surface has seted up the delivery port.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the invention adds the device under the condition of original process flow and unchanged equipment, so that the original anaerobic pool (anaerobic) sewage passes through the equipment for supplementing oxygen in two stages of vortex and turbulent flow, the oxygen content of the anaerobic sewage is instantly saturated, the dissolved oxygen is increased to 5-8mg/L from 0.5mg/L, thereby creating excellent conditions for the subsequent second-stage reaction, the water flow fluid pumped by the water pump flows into the upper vortex shell through the water inlet, and forms vortex under the guide of the upper vortex shell, a vertical shaft vortex is formed at the central part of the vortex, an inner vortex shell is arranged in the central hollow area of the vortex shell due to the action of the vortex and potential energy, the air duct is arranged on the inner vortex shell, the air flow rapidly supplements air to the water through the air inlet A under the environment of strong potential energy and vortex, the air is contacted and mixed with the sewage, thereby rapidly dissolving the oxygen content of the sewage, the invention greatly improves the oxygen content of the sewage, and no power is required to be added, no additional cost is required, no transmission part or vulnerable part is required for equipment, and the equipment is free of maintenance.

(2) After the air is supplemented in the vortex area, the air content in the water is greatly increased, and because potential energy still exists, a second section of turbulence and turbulent air supplementing section is arranged, the water flow is disordered in the section, but the potential energy exists, the air intake air supplementing, air suction supplementing, collision air disturbing and aeration are arranged, so that the sewage under anaerobic and anaerobic conditions is instantly saturated by dissolved air, the half-side hollow pipe is arranged, the air flow can flow into the middle pipe from the air inlet B through the air inlet pipe, the air flow and the sewage can be further fused, a good aerobic and oxygen-enriched environment can be created, and the removal rate of COD and BOD can be greatly improved.

Drawings

FIG. 1 is a schematic 3D perspective view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the overall structure of the present invention;

FIG. 3 is a schematic top view of the overall structure of the present invention;

FIG. 4 is a left side view of the overall structure of the present invention;

FIG. 5 is a schematic view of an outer tube of the present invention;

FIG. 6 is a schematic view of a middle tube of the present invention;

FIG. 7 is a schematic view of the upper volute of the present invention;

FIG. 8 is a schematic view of the inner tube of the present invention;

the reference numbers in the figures illustrate: 1. an outer tube; 101. a connecting port A; 2. an upper volute; 201. a transverse housing; 202. a vertical housing; 203. a water inlet; 204. an interface A; 205. an installation port; 3. an inner tube; 301. an air outlet pipe; 302. an air inlet A; 4. a middle tube; 401. a connecting port B; 402. a tapered tube; 403. an interface B; 404. a half-edge hollow pipe; 405. an air inlet pipe; 406. a water outlet; 5. and an air inlet B.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-8, a Pasg oxygenation device includes an outer tube 1, a middle tube 4 is sleeved in the middle of the outer tube 1, an upper scroll 2 is arranged on the left side of the outer tube 1 in a penetrating manner, the upper scroll 2 penetrates through the left side wall of the middle tube 4 and is sleeved inside the middle tube 4, an inner tube 3 is arranged on the top of the upper scroll 2 in a penetrating manner, a plurality of air outlet tubes 301 are symmetrically arranged on the left and right sides of the lower end of the inner tube 3, and an air inlet B5 is formed between the middle tube.

The upper volute 2 is composed of a transverse shell 201 and a vertical shell 202, the vertical shell 202 is located on the lower portion of the right side of the transverse shell 201, a water inlet 203 is formed in the left side of the transverse shell 201, a mounting opening 205 is formed in the top surface of the transverse shell 201, the inner pipe 3 of the mounting opening 205 is connected in a sealing mode, and an interface A204 is formed in the lower portion of the vertical shell 202.

The left side of the outer pipe 1 is provided with a connecting port A101, and the connecting port A101 is hermetically connected with a transverse shell 201.

The upper part of the inner tube 3 is provided with an air inlet A302, and the end part of the air outlet tube 301 is provided with an inclined plane with a downward tube opening.

Under the condition of original process flow and unchanged equipment, the device is added to ensure that the sewage in an original anaerobic pool (without oxygen) passes through the equipment for eddy current and turbulent flow to supplement oxygen in two stages, the gas content of the sewage without oxygen is instantly saturated, the dissolved oxygen is increased to 5-8mg/L from 0.5mg/L, an excellent condition is created for the subsequent second-stage reaction, the water flow fluid pumped by the water pump flows into the upper volute 2 through the water inlet 203, and forms an eddy current under the guide of the upper volute 2, a vertical shaft eddy current is formed at the central part of the eddy current, the inner volute is arranged in the central hollow area of the eddy current housing under the action of the eddy current and potential energy, the gas flow is rapidly supplemented into the water through the air inlet A302 under the environment of strong potential energy and the eddy current, and the air is contacted and mixed with the sewage to rapidly dissolve the oxygen and the sewage.

Example 2:

referring to fig. 6, the difference between the embodiment 1 and the middle tube 4 is that a connection port B401 is formed at the left side of the middle tube 4, the connection port B401 is hermetically connected to the transverse housing 201, a tapered tube 402 is sleeved at the middle portion of the middle tube 4, an interface B403 is formed at the upper portion of the tapered tube 402, the bottom surface of the tapered tube 402 and the inner wall of the middle tube 4 are of an integrated structure, and the interface B403 is fixedly connected to the interface a 204.

The middle pipe 4 is located the conical tube 402 lower part and is equipped with half limit hollow tube 404, and half limit hollow tube 404 outer wall is fixed with middle pipe 4 inner wall connection, and middle pipe 4 outer wall is located half limit hollow tube 404 left and right sides symmetry and is equipped with two intake pipes 405, and intake pipe 405 is located in air inlet B5 between middle pipe 4 and the outer tube 1, and the delivery port 406 has been seted up to middle pipe 4 bottom surface.

After the device is supplemented with air through the vortex area, the air content in water is greatly increased, and the potential energy is still in the air supplementing section, so that a second section of turbulence and turbulence air supplementing section is arranged, water flow is disorderly and disorderly in the section, but the potential energy exists, the air intake air supplementing section, the air suction air supplementing section, the collision air disturbing section and the air supplying section are arranged, so that sewage under anaerobic and oxygen-free conditions can reach dissolved air saturation instantly, and the half-side hollow pipe 404 is arranged to facilitate the air flow to flow into the middle pipe 4 from the air inlet B5 through the air inlet pipe 405, so that.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A Pasg oxygenation equipment which is characterized in that: including outer tube (1), outer tube (1) middle part cover is equipped with well pipe (4), outer tube (1) left side is run through and is equipped with volute (2), it passes well pipe (4) left side wall cover and locates well inside pipe (4) to go up volute (2), it runs through and is equipped with inner tube (3) to go up volute (2) top, inner tube (3) downside tip bilateral symmetry is equipped with a plurality of outlet ducts (301), form air inlet B (5) between well pipe (4) and outer tube (1).

2. The Pasg oxygenation device of claim 1, wherein: go up volute (2) and constitute by horizontal casing (201) and vertical casing (202), vertical casing (202) are located the right side lower part of horizontal casing (201), horizontal casing (201) left side is equipped with water inlet (203), installing port (205) have been seted up to horizontal casing (201) top surface, installing port (205) inner tube (3) sealing connection, interface A (204) have been seted up to vertical casing (202) lower part.

3. The Pasg oxygenation device of claim 2, wherein: a connecting port A (101) is formed in the left side of the outer pipe (1), and the connecting port A (101) is connected with the transverse shell (201) in a sealing mode.

4. The Pasg oxygenation device of claim 1, wherein: an air inlet A (302) is formed in the upper portion of the inner tube (3), and the end portion of the air outlet tube (301) is an inclined surface with a downward tube opening.

5. The Pasg oxygenation device of claim 2, wherein: a connector B (401) is formed in the left side of the middle pipe (4), the connector B (401) is connected with the transverse shell (201) in a sealing mode, a conical pipe (402) is sleeved in the middle of the middle pipe (4), an interface B (403) is formed in the upper portion of the conical pipe (402), the bottom surface of the conical pipe (402) and the inner wall of the middle pipe (4) are of an integrated structure, and the interface B (403) is fixedly connected with the interface A (204).

6. The Pasg oxygenation device of claim 5, wherein: well pipe (4) are located toper pipe (402) lower part and are equipped with half limit hollow tube (404), half limit hollow tube (404) outer wall is fixed with well pipe (4) inner wall connection, well pipe (4) outer wall is located half limit hollow tube (404) left and right sides symmetry and is equipped with two intake pipe (405), intake pipe (405) are located in air inlet B (5) between well pipe (4) and outer tube (1), delivery port (406) have been seted up to well pipe (4) bottom surface.