Microorganism mixing treatment device for activated sludge treatment

By using a multi-stage mixing and equalization assembly driven by a servo motor, the problem of insufficient microbial mixing in activated sludge treatment is solved, achieving more efficient mixing and uniform distribution, and improving treatment efficiency.

CN224030777UActive Publication Date: 2026-03-24ZHEJIANG BLACK EAGLE ECOLOGICAL ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional activated sludge treatment processes suffer from insufficient microbial mixing and low treatment efficiency, especially due to uneven mixing of bottom and top materials. Furthermore, the materials require prolonged stirring after being poured into the mixing zone to achieve complete mixing.

Method used

The stirring assembly, driven by a servo motor, includes a main shaft, stirring blades, and stirring rods and lifting blades in the drive box. Through the meshing of fixed and movable bevel gears, multi-stage stirring is achieved. Combined with the leveling assembly's horizontal plate and discharge holes, it promotes uniform distribution of raw materials. The scraper is used to clean the remaining material on the horizontal plate, ensuring that it completely enters the mixing tank.

Benefits of technology

It significantly improves the mixing uniformity and treatment efficiency of activated sludge and wastewater, shortens the mixing time, avoids raw material accumulation and leakage, and enhances the mixing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a microorganism mixing treatment device for activated sludge treatment, which comprises a mixing tank, a stirring component is mounted at the bottom of the mixing tank, a driving box is mounted at the top of the stirring component, a driven rod is fixed at the top of the mixing tank, and the bottom end of the driven rod extends into the driving box and is fixedly provided with a fixed bevel gear. Stirring rods are rotationally embedded in the two opposite side faces of the driving box, movable bevel gears in meshed connection with the fixed bevel gears are fixed to the ends, located in the driving box, of the stirring rods, a servo motor in the stirring assembly drives a main shaft and stirring blades to stir raw materials at the bottom of the mixing tank, meanwhile, the main shaft drives the driving box to rotate, and the stirring blades are driven by the main shaft to stir the raw materials at the bottom of the mixing tank. The stirring rod in the driving box rotates around the fixed bevel gear, and the movable bevel gear rolls along the fixed bevel gear, so that the material lifting blade continuously upturns the raw materials at the bottom of the mixing tank, and the mixing efficiency of the raw materials is accelerated and the raw materials are mixed more uniformly in cooperation with the rotation of the stirring blade.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sludge treatment technical field especially is a kind of microbial mixed processing device for activated sludge treatment. BACKGROUND

[0002] Activated sludge process is a commonly used wastewater treatment process, by utilizing the biodegradation of microorganisms, organic pollutants are converted into harmless substances, microorganisms in activated sludge use organic pollutants as a source of growth and metabolism, and convert them into carbon dioxide, water and microbial cells, and by stirring device, keep activated sludge and wastewater uniform mixing, so that microorganisms and organic pollutants are in full contact;

[0003] Chinese patent publication No. CN222219299U discloses a kind of microbial mixed processing device for activated sludge treatment, including processing jar, the upper portion of the processing jar is fixed with feed frame, the right side of the processing jar is fixed with discharge pipe, the bottom of the processing jar is fixed with support leg, the inside of the processing jar is provided with stirring mechanism, the inside of the feed frame is provided with screening mechanism, the stirring mechanism includes fixed frame, motor, first rotating rod, stirring rod, first bevel gear, first connecting rod, second bevel gear and second rotating rod, the microbial mixed processing device for activated sludge treatment is provided with stirring mechanism, the mixing of activated sludge and wastewater is more uniform, the mixing effect is better, improve the efficiency of stirring and mixing, improve the efficiency of wastewater treatment at the same time, screening mechanism is provided, prevent activated sludge from accumulating into block, so that activated sludge is scattered more uniformly, facilitate the mixing of activated sludge and wastewater;

[0004] The above-mentioned technology promotes the efficiency of microbial mixed processing by stirring structure with opposite movement directions, but the upper and lower layered stirring structure is not conducive to the mixing of raw materials on the bottom, on the other hand, raw materials are directly poured into the stirring area, which needs a long time of stirring to be completely mixed, therefore, the utility model discloses a kind of microbial mixed processing device for activated sludge treatment to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of microbial mixed processing device for activated sludge treatment, to solve the problem of insufficient microbial mixing and low processing efficiency in the traditional activated sludge treatment process proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model solves the technical problems as follows:

[0007] The utility model provides a kind of activated sludge treatment microbial mixed processing device, including mixing tank, the bottom of the mixing tank is equipped with stirring assembly, the top of the stirring assembly is equipped with driving box, the top of the mixing tank is fixed with passive pole, the bottom end of the passive pole extends into driving box and is fixed with fixed bevel gear, the two opposite sides of the driving box are rotatably embedded with stirring rod, the end in driving box of the stirring rod is fixed with movable bevel gear and is meshed with fixed bevel gear, the end outside driving box of the stirring rod is fixed with multiple material lifting blades on both sides of outer wall, the material lifting blade gradually narrows to the end away from stirring rod, the driving box upper side is equipped with material uniforming assembly for dispersing raw material, and the upper end surface of the mixing tank is detachably connected with scraper for cleaning residual material on material uniforming assembly.

[0008] As a further scheme of the utility model, the material uniforming assembly includes a horizontal plate rotatably sleeved outside the passive pole, two support columns are fixed between the horizontal plate and the driving box, a plurality of material leakage holes are densely arranged on the horizontal plate, and the material leakage holes have a structure of being wide at the top and narrow at the bottom.

[0009] As a further scheme of the utility model, the stirring assembly includes a servo motor screw-fixed to the bottom wall of the mixing tank, a main shaft is fixed to the output end of the servo motor and penetrates through the bottom wall of the mixing tank, the top end of the main shaft is fixed to the bottom wall of the driving box, and a plurality of stirring blades are fixed to the outer sides of the main shaft.

[0010] As a further scheme of the utility model, the top end of the mixing tank is embedded with a material feeding hopper and a plug-in slot, the material feeding hopper and the plug-in slot are opposite to the horizontal plate, and a scraper is slidably embedded in the plug-in slot.

[0011] As a further scheme of the utility model, a groove is arranged on the upper side of the scraper, handrails are fixed between the inner walls on both sides of the groove, and the lower side edge of the scraper is gradually narrowed.

[0012] As a further scheme of the utility model, a support cylinder is fixed to the bottom wall edge of the mixing tank, a large flange is fixed to the bottom end outer side of the support cylinder, and a plurality of heat dissipation holes are arranged in the support cylinder.

[0013] As a further scheme of the utility model, a material discharging pipe is fixedly embedded on one side of the bottom end of the mixing tank, and a butterfly valve is arranged on the material discharging pipe.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model relates to a kind of microbial mixed processing device of activated sludge treatment, the spindle and stirring vane of servo motor in stirring assembly are driven, the raw materials at the bottom of mixing tank are stirred, simultaneously, spindle drives driving box rotation, stirring rod in driving box rotates around fixed bevel gear, movable bevel gear rolls along fixed bevel gear, so that raw materials at the bottom of mixing tank are constantly turned over by lifting blade, cooperate the rotation of stirring vane, the mixing efficiency between raw materials is accelerated, so that mixing is more uniform;

[0016] The utility model relates to a kind of microbial mixed processing device of activated sludge treatment, driving box drives synchronous rotation of support column and horizontal plate, the raw materials falling on horizontal plate can be leaked downward from material leakage hole, and with the rotation of horizontal plate, so that raw materials can be evenly spread in mixing tank, the disordered movement of new raw material is accelerated, further shorten mixing time, improve mixing efficiency;

[0017] The utility model relates to a kind of microbial mixed processing device of activated sludge treatment, after raw material is poured, insert scraper into plug-in plate slot, the lower edge of scraper is in contact with horizontal plate, can hinder the continuous rotation of remaining raw materials on horizontal plate, until the material leakage hole of corresponding position is aligned with raw material, raw material can be completely fallen into mixing tank for mixing, and raw materials will not be accumulated on horizontal plate. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model is further described below in connection with drawings and embodiment:

[0019] Figure 1 It is the perspective drawing of a kind of microbial mixed processing device of activated sludge treatment of the utility model;

[0020] Figure 2 It is the sectional view of a kind of microbial mixed processing device of activated sludge treatment of the utility model;

[0021] Figure 3 It is the structure enlarged view of A in the microbial mixed processing device of activated sludge treatment of the utility model attached Figure 2 ;

[0022] Figure 4 It is the structure enlarged view of B in the microbial mixed processing device of activated sludge treatment of the utility model attached Figure 2 ;

[0023] Figure 5 It is the perspective structure diagram of scraper in a kind of microbial mixed processing device of activated sludge treatment of the utility model;

[0024] Figure 6 It is the perspective structure diagram of horizontal plate in a kind of microbial mixed processing device of activated sludge treatment of the utility model.

[0025] The components represented by the reference numerals in the drawings are listed as follows:

[0026] 1, mixing tank; 11, passive rod; 12, fixed bevel gear; 13, feeding hopper; 14, plug-in slot; 15, support cylinder; 16, large flange; 17, heat dissipation hole; 18, discharge pipe; 19, butterfly valve; 2, stirring assembly; 21, servo motor; 22, main shaft; 23, stirring blade; 3, drive box; 4, stirring rod; 41, movable bevel gear; 42, lifting blade; 5, uniform material assembly; 51, horizontal plate; 52, support column; 53, material leakage hole; 6, scraper; 61, groove; 62, handrail. DETAILED DESCRIPTION

[0027] The utility model will be further described below in combination with examples.

[0028] Please refer to Figures 1-6 The utility model provides a kind of microbial mixed processing device of activated sludge treatment, including mixing tank 1, the bottom wall edge of the mixing tank 1 is fixed with support cylinder 15, the outer side of the bottom end of the support cylinder 15 is fixed with large flange 16, and the support cylinder 15 is equipped with multiple heat dissipation holes 17;

[0029] Specifically, support cylinder 15 provides stable support for mixing tank 1, ensures the structural stability and safety of mixing tank 1 in the process of running, in the process of activated sludge treatment, the components such as servo motor 21 in stirring assembly 2 can generate heat, the design of heat dissipation hole 17 helps to promote air circulation, and the heat is dissipated, to play the role of cooling.

[0030] Further, the bottom end side of the mixing tank 1 is fixedly embedded with discharge pipe 18, butterfly valve 19 is installed on discharge pipe 18.

[0031] Specifically, by installing butterfly valve 19 on discharge pipe 18, the discharge of material in mixing tank 1 can be conveniently controlled, and closing butterfly valve 19 can prevent material from continuing to discharge, to play a sealing role.

[0032] Further, stirring assembly 2 is installed on the bottom of the mixing tank 1, the stirring assembly 2 includes servo motor 21 fixed on the bottom wall of the mixing tank 1, the output end of the servo motor 21 is fixed with main shaft 22 penetrating through the bottom wall of the mixing tank 1, the top end of the main shaft 22 is fixed with drive box 3 bottom wall, and the outer side of the main shaft 22 is fixed with multiple stirring blades 23 on both sides.

[0033] Specifically, servo motor 21 provides stable power, which is transmitted to stirring blade 23 through main shaft 22, to realize efficient stirring of raw materials at the bottom of mixing tank 1, and this design ensures that raw materials can be fully mixed horizontally in mixing tank 1, to improve mixing efficiency.

[0034] Further, the top of the stirring assembly 2 is provided with a driving box 3, the top of the mixing tank 1 is fixed with a passive rod 11, the bottom end of the passive rod 11 extends into the driving box 3 and is fixed with a fixed bevel gear 12, the two opposite sides of the driving box 3 are rotatably embedded with stirring rods 4, one end of each of the stirring rods 4 in the driving box 3 is fixed with a movable bevel gear 41 which is meshingly connected with the fixed bevel gear 12, and the other end of each of the stirring rods 4 outside the driving box 3 is fixed with a plurality of material lifting blades 42 on both sides of the outer wall, and the material lifting blades 42 gradually narrow towards the end away from the stirring rod 4;

[0035] Specifically, the main shaft 22 is rotated by the servo motor 21, which not only drives the stirring blades 23 to stir the raw materials at the bottom of the mixing tank 1, but also drives the stirring rods 4 and the material lifting blades 42 to rotate through the meshing of the fixed bevel gear 12 and the movable bevel gear 41, thereby achieving multi-stage stirring. This multi-stage stirring design significantly improves the mixing efficiency and makes the raw materials more evenly mixed. It is worth noting that the material lifting blades 42 are distributed in a staggered manner with the stirring blades 23 in the stirring assembly 2. The main function of the material lifting blades 42 is to lift the raw materials at the bottom of the mixing tank 1 to promote the mixing of the raw materials. Through the lifting action of the material lifting blades 42, the raw materials can be more evenly distributed in the mixing tank 1, thereby improving the mixing efficiency.

[0036] Further, the driving box 3 is provided on the upper side with a material uniformizing assembly 5 for dispersing the raw materials, the material uniformizing assembly 5 comprises a horizontal plate 51 rotatably sleeved outside the passive rod 11, two support columns 52 are fixed between the horizontal plate 51 and the driving box 3, a plurality of material leakage holes 53 are densely arranged on the horizontal plate 51, and the material leakage holes 53 have an upper wide and lower narrow structure;

[0037] Specifically, the main function of the horizontal plate 51 is to receive the raw materials poured from the material hopper 13 and evenly distribute the raw materials into the mixing tank 1 through the material leakage holes 53 thereon. The material leakage holes 53 with an upper wide and lower narrow structure are beneficial to allow more raw materials on the upper side of the horizontal plate 51 to leak.

[0038] Further, the top end of the mixing tank 1 is embedded with a material hopper 13 and a plug-in slot 14, the material hopper 13 and the plug-in slot 14 are opposite to the horizontal plate 51, and a scraper 6 is slidably embedded in the plug-in slot 14;

[0039] Specifically, the material hopper 13 is usually designed in a funnel shape, the upper end has a larger opening to facilitate the operator or automatic feeding equipment to pour the raw materials, and the lower end gradually narrows to guide the raw materials onto the horizontal plate 51. Under the rotation of the horizontal plate 51, the raw materials can be evenly distributed into the mixing tank 1 through the material leakage holes 53.

[0040] Further, the upper end surface of the mixing tank 1 is detachably connected with a scraper 6 for cleaning the excess material on the uniformizing assembly 5, the upper side of the scraper 6 is provided with a groove 61, the two side inner walls of the groove 61 are fixed with handrails 62, and the lower side edge of the scraper 6 is gradually tapered and narrowed;

[0041] Specifically, the scraper 6 is inserted into the plate slot 14, and the lower side edge of the scraper 6 abuts against the horizontal plate 51, which can hinder the continued rotation of the remaining raw materials on the horizontal plate 51, until the material aligns with the raw material at the corresponding position of the material leakage hole 53, the raw material can completely fall into the mixing tank 1, and the handrails 62 can facilitate the operation of the scraper 6.

[0042] Working principle: in use, liquid and granular raw materials are poured into the feeding hopper 13 in sequence, the servo motor 21 is started, the servo motor 21 drives the main shaft 22, the main shaft 22 drives the stirring blade 23 to stir the raw materials at the bottom of the mixing tank 1, and the main shaft 22 drives the driving box 3 to rotate, the driving box 3 drives the stirring rod 4 to rotate around the fixed bevel gear 12, the movable bevel gear 41 rolls along the fixed bevel gear 12, so that the material lifting blade 42 can constantly lift the raw materials at the bottom of the mixing tank 1, and cooperate with the constantly rotating stirring blade 23 to accelerate the mixing efficiency between the raw materials, at the same time, the driving box 3 drives the support column 52 and the horizontal plate 51 to rotate synchronously, the raw materials falling on the horizontal plate 51 can leak downward from the material leakage hole 53, and with the rotation of the horizontal plate 51, the raw materials can be evenly spread in the mixing tank 1, cooperate with the stirring action of the material lifting blade 42 and the stirring blade 23, further shorten the mixing time, after the raw materials are poured, the scraper 6 is inserted into the plate slot 14, the lower side edge of the scraper 6 abuts against the horizontal plate 51, which can hinder the continued rotation of the remaining raw materials on the horizontal plate 51, until the material aligns with the raw material at the corresponding position of the material leakage hole 53, the raw material can completely fall into the mixing tank 1 for mixing, and after the mixing is completed, the butterfly valve 19 on the discharge pipe 18 is opened to discharge the material.

Claims

1. A microbial mixed treatment device for activated sludge treatment, comprising a mixing tank (1), characterized by, The bottom of the mixing tank (1) is provided with a stirring assembly (2), the top of the stirring assembly (2) is provided with a driving box (3), the top of the mixing tank (1) is fixedly provided with a passive rod (11), the bottom end of the passive rod (11) extends into the driving box (3) and is fixedly provided with a fixed bevel gear (12), the two opposite sides of the driving box (3) are rotatably embedded with stirring rods (4), one end of each of the stirring rods (4) in the driving box (3) is fixedly provided with a movable bevel gear (41) which is in meshing connection with the fixed bevel gear (12), the outer wall of one end of each of the stirring rods (4) outside the driving box (3) is fixedly provided with a plurality of material lifting blades (42), the material lifting blades (42) gradually narrow towards the end away from the stirring rod (4), the upper side of the driving box (3) is provided with a material uniformizing assembly (5) for uniformly distributing the raw materials, and the upper end surface of the mixing tank (1) is detachably connected with a scraper (6) for cleaning the residual materials on the material uniformizing assembly (5).

2. The activated sludge process microbial hybrid treatment device of claim 1, wherein: The material uniformizing assembly (5) comprises a horizontal plate (51) rotatably sleeved outside the passive rod (11), two support columns (52) are fixed between the horizontal plate (51) and the driving box (3), and a plurality of material leakage holes (53) are densely arranged on the horizontal plate (51), and the material leakage holes (53) have a structure of being wide at the top and narrow at the bottom.

3. The activated sludge process microbial hybrid treatment device of claim 1, wherein: The stirring assembly (2) comprises a servo motor (21) screwed to the bottom wall of the mixing tank (1), the output end of the servo motor (21) is fixedly provided with a main shaft (22) penetrating through the bottom wall of the mixing tank (1), the top end of the main shaft (22) is fixed to the bottom wall of the driving box (3), and the outer sides of the main shaft (22) are fixedly provided with a plurality of stirring blades (23).

4. The activated sludge process microbial hybrid treatment device of claim 2, wherein: The top end of the mixing tank (1) is embedded with a material feeding hopper (13) and a plug-in slot (14), the material feeding hopper (13) and the plug-in slot (14) are opposite to the horizontal plate (51), and the plug-in slot (14) is slidably embedded with the scraper (6).

5. The activated sludge process microbial hybrid treatment device of claim 1, wherein: The upper side of the scraper (6) is provided with a groove (61), handrails (62) are fixed between the inner walls of the two sides of the groove (61), and the lower edge of the scraper (6) is gradually narrowed.

6. The activated sludge process microbial hybrid treatment device of claim 1, wherein: The bottom wall of the mixing tank (1) is fixedly provided with a support cylinder (15), the bottom end of the support cylinder (15) is fixedly provided with a large flange (16), and the support cylinder (15) is provided with a plurality of heat dissipation holes (17).

7. The activated sludge process microbial hybrid treatment device of claim 1, wherein: The bottom end of the mixing tank (1) is fixedly embedded with a discharge pipe (18), and the discharge pipe (18) is provided with a butterfly valve (19).

Citation Information

Patent Citations

  • Microorganism mixing treatment device for activated sludge treatment

    CN222219299U