CN212833026U

CN212833026U - Sewage treatment device for aerobic fluidized bed process

Info

Publication number: CN212833026U
Application number: CN202021142292.XU
Authority: CN
Inventors: 张胜君
Original assignee: Chongqing Yifan Environmental Protection Co ltd
Current assignee: Chongqing Yifan Environmental Protection Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-03-30
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses a sewage treatment plant for good oxygen fluidized bed technology, including reaction tank (1) the bottom of the pool of reaction tank (1) is equipped with rotation fan (11) of being connected with the motor a double-phase separator (2) has set firmly on the pool wall of reaction tank (1), double-phase separator (2) include a box body structure, upper inclined plate (21) and lower swash plate (22) that open side down, are equipped with delivery port (3) on the lateral wall of this double-phase separator (2) one end. The utility model discloses set up swash plate and lower swash plate on a box body, form a double-phase separator, combine the use of rotating the fan, be convenient for separate the mud of large granule from sewage, the separation position is difficult for blockking up, and has simplified the structure.

Description

Sewage treatment device for aerobic fluidized bed process

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device for an aerobic fluidized bed process.

Background

At present, various treatment processes are available for industrial wastewater treatment, and each process is combined by different treatment units to form a wastewater treatment process. In the process, the main units are to remove the toxic and harmful substances such as organic matters and the like in the wastewater and separate mud from water, so that the treated water can reach the standard and then is discharged, and especially in an aerobic tank, if the removal of the toxic and harmful substances such as organic matters and the like and the mud-water separation unit can be combined in one device, the equipment investment can be reduced, and the wastewater treatment cost can be reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a sewage treatment device for aerobic fluidized bed process, which is not only convenient for separating sludge and water, but also can simplify the purification unit structure.

The technical scheme of the utility model as follows:

a sewage treatment device for an aerobic fluidized bed process comprises a reaction tank, wherein a rotating fan connected with a motor is arranged at the bottom of the reaction tank, a two-phase separator is fixedly arranged on the wall of the reaction tank and right above the rotating fan, the two-phase separator comprises a box structure with an upper opening and a lower opening, an upper inclined plate is movably arranged on one side of the opening at the lower end of the box structure, a lower inclined plate is fixedly arranged on the other side of the opening, the upper inclined plate extends out in the direction of the lower inclined plate, a gap is arranged between the upper inclined plate and the lower inclined plate, the width range of the gap is 15-35 cm, the lower inclined plate extends out in the direction of the upper inclined plate, the projection length of the lower inclined plate on the horizontal plane is the same as the length of the two-phase separator, and the included angle between the upper inclined plate and the lower inclined plate is 70 degrees; a water outlet is arranged on the side wall of one end of the two-phase separator.

By adopting the structure, in the reaction tank, the starting motor drives the fan blades of the rotating fan to rotate, namely, the sewage is driven to rotate in the water tank, and large-particle sludge in the sewage is mixed in the sewage, so that the large-particle sludge is not easy to accumulate at the bottom of the water tank and cause blockage, and the sewage treatment efficiency is influenced; sewage enters the two-phase separator from bottom to top, in the process, the lower end surface of the lower inclined plate firstly blocks partial large-particle sludge, the water level of the sewage continuously moves upwards and enters the two-phase separator through a gap between the upper inclined plate and the lower inclined plate, in the process, the upper inclined plate also has a blocking effect on the entered sewage, the blocking effect of the two inclined plates reduces the flowing speed of the sewage and also slows down the moving speed of the sludge, the detachably arranged upper inclined plate can adjust the gap between the upper inclined plate and the lower inclined plate so as to adjust the flow rate of the sewage, namely adjust the treatment capacity of the sewage, the sewage entering the two-phase separator also has a small amount of large-particle sludge, the large-particle sludge can fall back to an aerobic fluidized bed along the inclination of the lower inclined plate under the action of gravity along with the reduction of the flow rate and tends to be gentle, and meanwhile, fine suspended matters and residual sludge can flow out through a water outlet along with the treatment water, therefore, the function of intercepting effective substances and taking away useless substances with water is realized, the structure is simple, and the use is flexible.

In order to mix the sludge in the sewage more uniformly and increase the sewage flow, it is preferable that each of the blades of the rotating fan is provided with at least one through hole at a position of the central axis.

In order to facilitate the disassembly and assembly of the upper inclined plate, preferably, a connecting plate is arranged on one side of the opening position of the two-phase separator, and a fixing clamp is arranged on one side of the upper inclined plate and is fixedly clamped with the connecting plate.

In order to ensure the smooth falling of the large-particle sludge, the included angle between the upper inclined plate and the vertical surface is 30 degrees as the optimization; the included angle between the lower inclined plate and the vertical surface is 40 degrees.

In order to further improve the separation effect of the sludge and the water, a filter screen is preferably arranged at the position of the water outlet.

Has the advantages that: the utility model discloses set up swash plate and lower swash plate on a box body, form a double-phase separator, combine the use of rotating the fan, be convenient for separate the mud of large granule from sewage, the separation position is difficult for blockking up, and has simplified the structure.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Shown by figure 1, the utility model discloses constitute by reaction tank 1 etc. the bottom of the pool of reaction tank 1 is equipped with the rotation fan 11 of being connected with the motor, on every flabellum of rotation fan 11, be equipped with at least one through-hole 12, preferably three in the position of the central axis.

A two-phase separator 2 and a box structure with an upper opening and a lower opening are fixedly arranged on the wall of the reaction tank 1 right above the rotating fan 11, a connecting plate 23 is arranged on one side of the opening at the lower end of the box structure, a fixing clamp 211 is arranged on one side of the upper inclined plate 21, and the fixing clamp 211 and the connecting plate 23 are clamped and fixed; the other side of the two-phase separator 2 is fixedly provided with a lower inclined plate 22, the upper inclined plate 21 extends obliquely towards the lower inclined plate 22, a gap is arranged between the upper inclined plate 21 and the lower inclined plate 22, the width range of the gap is 15-35 cm, the lower inclined plate 22 extends obliquely towards the upper inclined plate 21, and the projection length of the lower inclined plate 22 on the horizontal plane is the same as the length of the two-phase separator 2; the included angle between the upper inclined plate 21 and the vertical surface is 30 degrees, the included angle between the lower inclined plate 22 and the vertical surface is 40 degrees, and the included angle between the upper inclined plate 21 and the lower inclined plate 22 is 70 degrees.

A water outlet 3 is arranged on the side wall of one end of the two-phase separator 2, and a filter screen 31 is arranged at the position of the water outlet 3.

The utility model discloses a use method as follows:

as shown in fig. 1, sewage is injected into sewage from a water inlet (not marked) at the lower end of a reaction tank 1, the material is thrown into the reaction tank 1 from a material feeding port (not marked) at the upper end of the reaction tank 1, in the reaction tank 1, a starting motor (not marked) drives a fan blade of a rotating fan 11 to rotate, namely, the sewage is driven to rotate in a water tank, large-particle sludge in the sewage is mixed in the sewage, and the large-particle sludge is in full contact reaction with the material fed, the sludge is not easy to stack at the bottom of the water tank, the blockage is caused, and the sewage treatment efficiency is influenced.

Then, the sewage slowly enters the two-phase separator 2 from bottom to top, in the process, the lower end surface of the lower inclined plate 22 firstly blocks partial large-particle sludge, the water level of the sewage continuously moves upwards and enters the two-phase separator 2 through the gap between the upper inclined plate 21 and the lower inclined plate 22, and in the process, the upper inclined plate 21 also has a blocking effect on the entering sewage, the blocking effect of the two inclined plates and the blocking effect of the sewageThe flow speed is reduced, and the surface water conservancy load is 6-8m³/(m²H), simultaneously reducing the moving speed of the sludge, namely controlling the moving speed to be 0.2-0.3m/S, preparing upper inclined plates 21 with different length specifications, arranging a fixing clamp 211 on each upper inclined plate 21, clamping and fixing the fixing clamp 211 on a connecting plate 23, selecting the upper inclined plates 21 with different length specifications according to the arrangement of water treatment capacity on the premise that the rotating speed of a rotating fan 11 is not changed, and adjusting the gap between the upper inclined plates 21 and a lower inclined plate 22 so as to adjust the flow rate of the sewage, namely adjusting the treatment capacity of the sewage, for example, when the water yield of 300 cubic meters is produced, ensuring that the gap width between the two inclined plates is 15-20 cm, preferably 18 cm; when the water yield is 300-800 cubic meters, the width of a gap between the two inclined plates is 20-25 cm, preferably 22 cm; when the water yield of more than 800 cubic meters is produced, the width of a gap between the two inclined plates is 25-35 cm, and the optimal width is 31 cm.

The sewage that gets into in the two-phase separator 2 still has a small amount of large granule mud, along with the reduction of velocity of flow and tend to gently, large granule mud can fall back to reaction tank 1 along the inclination of swash plate 22 down under the action of gravity, and simultaneously, tiny suspended solid and surplus mud can flow out through delivery port 3 along with the processing water, and here, filter screen 31 will be at last to remaining large granule mud filtering, thereby realize that the function that the effective material is held back and useless material is taken away along with water, moreover, the steam generator is simple in structure, and the use is nimble.

It should be noted that, as shown in fig. 1, in view of the fact that the volume of the reaction tank is not unique, the number of the rotating fans 11 and the two-phase separators 2 in the present invention is determined according to the actual use situation, and in this embodiment, only the use principle is described, the number of the rotating fans is not limited, and the embodiment has no uniqueness.

The utility model discloses do not describe the part unanimously with prior art, do not describe herein any more.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims

1. A sewage treatment device for an aerobic fluidized bed process is characterized in that: comprises a reaction tank (1), a rotating fan (11) connected with a motor is arranged at the bottom of the reaction tank (1), a two-phase separator (2) is fixedly arranged on the wall of the reaction tank (1) right above the rotating fan (11), the two-phase separator (2) comprises a box body structure with an upper opening and a lower opening, an upper inclined plate (21) is movably arranged on one side of the opening position at the lower end of the box body structure, a lower inclined plate (22) is fixedly arranged on the other side, the upper inclined plate (21) extends towards the lower inclined plate (22) in an inclined way, a gap is arranged between the upper inclined plate and the lower inclined plate (22), the width range of the gap is 15-35 cm, the lower inclined plate (22) extends out in the direction of the upper inclined plate (21) in an inclined way, the projection length of the lower inclined plate (22) on the horizontal plane is the same as the length of the two-phase separator (2), the included angle between the upper inclined plate (21) and the lower inclined plate (22) is 70 degrees; a water outlet (3) is arranged on the side wall of one end of the two-phase separator (2).

2. The apparatus of claim 1, wherein the aerobic fluidized bed comprises: at least one through hole (12) is arranged on each fan blade of the rotating fan (11) at the position of the central axis.

3. The apparatus of claim 1, wherein the aerobic fluidized bed comprises: a connecting plate (23) is arranged on one side of the opening position of the two-phase separator (2), a fixing clamp (211) is arranged on one side of the upper inclined plate (21), and the fixing clamp (211) and the connecting plate (23) are clamped and fixed.

4. A wastewater treatment plant for aerobic fluidized bed process according to claim 3, characterized in that: the included angle between the upper inclined plate (21) and the vertical surface is 30 degrees; the included angle between the lower inclined plate (22) and the vertical surface is 40 degrees.

5. The apparatus of claim 1, wherein the aerobic fluidized bed comprises: a filter screen (31) is arranged at the position of the water outlet (3).