CN112047461A

CN112047461A - SBR (sequencing batch reactor) biological integrated wastewater treatment tank

Info

Publication number: CN112047461A
Application number: CN202010999901.1A
Authority: CN
Inventors: 张春苗; 王学科
Original assignee: Tianjin Enew Environmental Protection Engineering Co ltd
Current assignee: Tianjin Enew Environmental Protection Engineering Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2020-12-08

Abstract

The invention discloses a SBR (sequencing batch reactor) biological integrated wastewater treatment tank which comprises a tank body, a guardrail and a body protection ladder stand, wherein an air-lift lifting pipe is installed at the top end of the tank body, a notch is formed in the lower end of the air-lift lifting pipe, an air-water mixture can be better collected to form an air-lift effect, the top end of the air-lift lifting pipe is directly communicated with the external atmosphere, a lifting aeration device and a three-phase separation device are arranged in the tank body, the three-phase separation device comprises a conical hopper and a central cylinder, a water inlet pipe is arranged on the side surface of the bottom end of the tank body, a water outlet pipe is arranged on the side surface of.

Description

SBR (sequencing batch reactor) biological integrated wastewater treatment tank

Technical Field

The invention relates to the field of sewage treatment, in particular to an SBR (sequencing batch reactor) biological integrated wastewater treatment tank.

Background

Along with the rapid development of the economy of China, the living standard of residents in rural areas is also remarkably improved, but the discharge of sewage is increased. The random discharge of domestic sewage not only causes the damage of rivers and underground water, but also pollutes living environment and influences the health. Therefore, the treatment and discharge of rural sewage are strictly controlled.

At present, the rural sewage treatment modes include a physical treatment method, a biological treatment method and the like, wherein the most common rural sewage treatment system is an aerobic biological treatment technology. The aerobic biological treatment technology mainly comprises an activated sludge treatment process and a biological membrane treatment process, including a SBR and A20 synchronous nitrogen and phosphorus removal process and the like, but the rural sewage cannot be treated in a centralized manner due to the problems of unbalanced development of rural areas, difference in rural living habits and ecological conditions, decentralized and non-centralized village distribution and the like in China, and the treatment effect of the existing technology is not ideal.

Disclosure of Invention

The invention aims to solve the problems and designs an SBR (sequencing batch reactor) biological integrated wastewater treatment tank.

The technical scheme of the invention is that the SBR biological integrated wastewater treatment tank comprises a tank body, a guardrail and a body protection ladder, wherein a water inlet pipe, a lifting aeration device, a three-phase separation device, an air lift lifting pipe and a water outlet pipe are sequentially arranged in the tank body from bottom to top, and the lower end of the air lift lifting pipe is provided with a notch.

Preferably, the water inlet pipe is arranged at the bottom of the tank body, and the water outlet pipe is arranged on the side wall of the top of the tank body.

Preferably, the three-phase separation device comprises a central cylinder and a conical hopper, the central cylinder is located at the top end of the tank body, coincides with the central axis of the tank body, and extends to the upper side of the conical hopper, and the conical hopper is welded and installed on the inner side wall of the tank body.

Preferably, the center cylinder is installed in a channel steel at the top of the tank body through a bolt, and the center cylinder is movably connected with the tank body and can be vertically adjusted manually.

Preferably, the cone hopper is connected with the tank body through a partition plate and fixed, the cone hopper is arranged for better gas-solid separation, the central cylinder is better used for collecting gas above the cone hopper, the solid can slide off the conical surface, the partition plate is arranged at the joint of the cone hopper and the tank body, and the purpose is to fix the cone hopper better.

Preferably, the liftable aeration device comprises a rotary mixing aeration head, an aeration pipe and a hanging hose, wherein the aeration pipe is hung in the tank body through the hanging hose, the rotary mixing aeration head is installed on the aeration pipe, the hanging hose is installed in a central cylinder at the top of the tank body, the aeration head is connected with the aeration pipe, is connected with an external fan through the hanging hose, and is used for carrying out intermittent aeration through a control fan.

Compared with the prior art, the invention has the advantages and beneficial effects that:

according to the SBR biological integrated wastewater treatment tank, the tank body is a vertical tank body, the three-phase separation device is arranged to separate mud, water and gas, the separation effect is better, the aeration device can be improved to be replaced at any time, the operation does not need to be stopped, the maintenance time is reduced, the continuity of the operation is ensured, meanwhile, compared with the traditional equipment, the SBR biological integrated wastewater treatment tank is small in occupied area, the problems that rural distribution areas are wide, the distribution is dispersed, and the sewage treatment cannot be concentrated in China are solved, the structure is compact, the operation is simple, and the sewage treatment efficiency is higher.

Drawings

FIG. 1 is a schematic diagram of the structure of an SBR biological integrated wastewater treatment tank of the invention;

FIG. 2 is a side view of the SBR bio-integrated wastewater treatment tank of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the SBR bio-integrated wastewater treatment tank of the invention.

In the figure, 1, a tank body; 2. a guardrail; 3. a water inlet pipe; 4. a rotary mixing aeration head; 5. an aeration pipe; 6. a conical hopper; 7. a central barrel; 8. opening the gap; 9. gas stripping riser; 10. a water outlet pipe; 11. a hanging hose; 12. a three-phase separation device; 13. the aeration device can be lifted.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figure 1, a SBR biological integration wastewater treatment tank comprises a tank body 1, a guardrail 2 and a body protection ladder, wherein a water inlet pipe 3, a liftable aeration device 13, a three-phase separation device 12, an air lifting pipe 9 and a water outlet pipe 10 are sequentially arranged in the tank body 1 from bottom to top, the top end of the tank body 1 is provided with the air lifting pipe 9, the top end of the air lifting pipe 9 is directly communicated with the external atmosphere, the lower end of the air lifting pipe 9 is provided with a notch 8 which can better collect air-water mixture to form an air lifting effect, the tank body 1 is internally provided with the three-phase separation device 12, the three-phase separation device 12 comprises a cone hopper 6 and a central barrel 7 which can better separate air from gas, the tank body 1 is internally provided with the liftable aeration device 13, the liftable aeration device 13 comprises a rotary mixing aeration head 4, an aeration pipe 5 and a hanging hose 11, the rotary mixing aeration head 4 is arranged on the aeration pipe 5, the aeration pipe 5, and aeration pipe 5 is 100mm apart from the bottom of jar body 1, hangs hose 11 and connects outside fan, through controlling the fan, reaches intermittent type aeration's effect, and 1 bottom lateral wall of jar body is provided with inlet tube 3, and the top lateral wall of jar body 1 is provided with outlet pipe 10, and jar body 1 adopts vertical jar of body, has reduced area, has strengthened treatment effeciency.

The three-phase separation device 12 comprises a cone hopper 6 and a central cylinder 7, the central cylinder 7 is positioned at the top end of the tank body 1, is superposed with the central axis of the tank body 1 and extends to the upper part of the cone hopper 6, and the cone hopper 6 is welded on the inner side wall of the tank body 1; the central cylinder 7 can collect and evacuate gas, so that the gas in the area outside the central cylinder 7 is reduced as much as possible, and the gas-solid separation above the cone hopper 6 is facilitated; the central cylinder 7 can be vertically adjusted and is mounted on a channel steel at the top of the tank body 1 through bolts, and gas is collected and emptied as much as possible through the up-and-down adjustment of the central cylinder 7.

The cone hopper 6 is welded on the side wall of the tank body below the central cylinder 7, a partition plate is arranged between the cone hopper 6 and the side wall of the tank body 1, the cone hopper 6 can be better fixed by the partition plate, and the welding stability of the cone hopper 6 is kept.

The water inlet pipe 3 is positioned at the bottom of the tank body 1 and can continuously feed water, and the water outlet pipe 10 is positioned on the side wall of the top of the tank body 1 and can continuously discharge water.

The reinforcing plate is evenly distributed at the bottom of the tank body 1, the strength of the tank body 1 is enhanced, and the structure of the vertical tank body is adopted, so that the occupied area is reduced.

The working process is as follows: the sewage continuously enters the tank body 1 through the bottom water inlet pipe 3, passes through aeration of the lifting aeration device 13 and three-phase separation of the three-phase separation device 12 from bottom to top, finally enters the water outlet pipe 10 and flows out of the tank body 1, the continuous water inlet, intermittent aeration and continuous water outlet are adopted, the lifting aeration device 13 can increase the oxygen content of the sewage, so that the sewage intercepts activated sludge after aeration, microorganisms in the activated sludge in the aeration stage are stopped to decompose organic matters in the sewage, then the three substances of gas and cement pass through the three-phase separation device 12 together, the sludge is intercepted, the rest sludge-water mixture passes through the cone hopper 6, the sludge slides and flows back to an aeration area, the gas is collected by the central cylinder 7 and is discharged into the atmosphere through the gas stripping riser 9, the treated sewage is discharged out of the tank body 1 through the water outlet pipe 10, and the device can obviously improve the sewage treatment efficiency, the operation is stable, is convenient for adjust, and the floor area has been saved to the structure of vertical jar of body, and solves the not concentrated problem of rural waste water treatment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a biological integrated waste water treatment tank of SBR, includes jar body (1), guardrail (2) and protects body cat ladder, its characterized in that: the air lifting device is characterized in that an air lifting riser (9) is installed at the top end of the tank body (1), the top end of the air lifting riser (9) is directly communicated with the external atmosphere, a notch (8) is formed in the lower end of the air lifting riser (9), a lifting aeration device (13) and a three-phase separation device (12) are arranged in the tank body (1), a water inlet pipe (3) is arranged on the side face of the bottom end of the tank body (1), and a water outlet pipe (10) is arranged on the side face of the top end of the.

2. The SBR bio-integrated wastewater treatment tank of claim 1, wherein: the three-phase separation device (12) comprises a cone hopper (6) and a central cylinder (7), wherein the central cylinder (7) is located at the top end of the tank body (1), coincides with the central axis of the tank body (1) and extends to the upper part of the cone hopper (6), and the cone hopper (6) is welded on the inner side wall of the tank body (1).

3. The SBR bio-integrated wastewater treatment tank of claim 2, wherein: the central cylinder (7) is arranged in a channel steel at the top of the tank body, and the central cylinder (7) is movably connected with the tank body (1).

4. The SBR bio-integrated wastewater treatment tank of claim 2, wherein: the cone hopper (6) is fixedly connected with the tank body (1) through a partition plate.

5. The SBR bio-integrated wastewater treatment tank of claim 1, wherein: the liftable aeration device (13) comprises a rotary mixing aeration head (4), an aeration pipe (5) and a hanging hose (11), wherein the rotary mixing aeration head (4) is installed on the aeration pipe (5) and connected with the hanging hose (11), the aeration pipe (5) is vertically hung in the tank body through the hanging hose (11) and is 100mm away from the bottom end of the tank body (1), and the hanging hose (11) is installed in a top end central cylinder (7) of the tank body (1) and is connected with an external fan.

6. The SBR bio-integrated wastewater treatment tank of claim 5, wherein: the liftable aeration device (13) can replace the aeration head (4) and the aeration pipe (5) through the lifting suspension hose (11).

7. The SBR bio-integrated wastewater treatment tank of claim 5, wherein: the liftable aeration device (13) adopts intermittent aeration and is controlled by an external fan.

8. The SBR bio-integrated wastewater treatment tank of claim 1, wherein: the water inlet pipe (3) is located at the bottom of the tank body (1), and the water outlet pipe (10) is located on the side wall of the top of the tank body (1).

9. The SBR bio-integrated wastewater treatment tank of claim 1, wherein: the guardrail (2) is arranged at the top end of the tank body (1).

10. The SBR bio-integrated wastewater treatment tank of claim 1, wherein: the tank body (1) is a vertical tank body.