Rural decentralized sewage treatment tank

By designing a combined structure of driven rotating shaft and nozzle, the packing material of rural decentralized sewage treatment tanks was cleaned, solving the problem of reduced treatment efficiency caused by packing layer blockage and maintaining high-efficiency sewage treatment capacity.

CN223879553UActive Publication Date: 2026-02-06SHANDONG GUANGSHENG ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202520840262.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-02-06
Estimated Expiration
2035-04-29

AI Technical Summary

Technical Problem

In rural decentralized sewage treatment tanks, the accumulation of impurities in the packing layer leads to blockage, reduces hydraulic conduction, lowers treatment efficiency, and the underground structure makes manual cleaning difficult.

Method used

The design incorporates a combination structure of a driven shaft, a limiting sleeve, a connecting sleeve, and a drive motor. The motor drives the shaft to rotate, causing the packing cage to rise and fall periodically. Combined with spray cleaning from the nozzle, this removes impurities from between the packing cells and maintains processing efficiency.

Benefits of technology

It effectively removes impurities from the packing layer, reduces sewage treatment resistance, maintains high-efficiency sewage treatment capacity, and solves the problem of packing layer blockage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sewage treatment, in particular to a rural decentralized sewage treatment tank which comprises a tank body, an adjusting chamber and an anaerobic chamber, the driven rotating shaft is coaxially fixed at the top of the filler cage; the limiting sleeve is fixedly connected with the inner wall of the tank body through a fixing plate, the limiting sleeve movably sleeves the outer side of the driven rotating shaft, and the limiting sleeve is clamped with the driven rotating shaft in a limiting manner; the rotating shaft is rotationally arranged on the tank body; the upper end of the connecting sleeve is fixedly connected with the rotating shaft, and the lower end of the connecting sleeve is slidably clamped with the driven rotating shaft; the driving motor is fixed above the tank body and is connected with the rotating shaft through belt transmission; the spray pipe is fixed above the filler cage; by improving the rural decentralized sewage treatment tank, the rural decentralized sewage treatment tank has the advantages of cleaning the filler, reducing the sewage treatment resistance and keeping the sewage treatment efficiency, thereby effectively solving the problems and defects in the prior art and equipment.
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Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field more specifically, especially rural decentralized sewage treatment tank. BACKGROUND

[0002] The decentralized sewage treatment tank in rural areas is used in rural areas, mainly consists of adjusting bin, anaerobic bin, aerobic bin and sedimentation bin and other components, sewage is transported to the treatment tank through the pipeline, and after treatment, it is discharged to a remote place through the sewage pipe.

[0003] However, since the sewage treatment tank is buried underground, the long-term operation of the filler is prone to excessive proliferation of biofilm and deposition of suspended solids, the buried tank structure is not convenient for manual cleaning operation, the filler layer impurities accumulation causes blockage, the hydraulic transmission decreases, and the treatment efficiency decreases.

[0004] Therefore, the rural decentralized sewage treatment tank is researched and improved for the existing problems, which aims to solve the problems and improve the practical value through the technology. UTILITY MODEL CONTENTS

[0005] The utility model discloses a rural decentralized sewage treatment tank, which aims to solve the problems and deficiencies in the background technology.

[0006] To achieve the above object, the utility model provides a rural decentralized sewage treatment tank, which is realized by the following specific technical means:

[0007] The rural decentralized sewage treatment tank comprises a tank body, an adjusting chamber, an anaerobic chamber, an aerobic chamber, a sedimentation chamber, a gas explosion pipe, a filler cage, a filler, a supporting plate, a driven shaft, a limiting sleeve, a fixed plate, a connecting sleeve, a rotating shaft, a driving motor, a spray pipe, a drain pipe, a protective shell and an opening door. The adjusting chamber, the anaerobic chamber, the aerobic chamber and the sedimentation chamber are sequentially arranged in the tank body. The gas explosion pipe is arranged at the bottom of the inner side of the aerobic chamber. The filler cage is arranged in the anaerobic chamber and the aerobic chamber, and the filler cage is filled with the filler. The supporting plate is fixed to the inner wall of the anaerobic chamber and the aerobic chamber, and the supporting plate is movably sleeved on the outer side of the filler cage. The driven shaft is coaxially fixed to the top of the filler cage. The limiting sleeve is fixedly connected with the inner wall of the tank body through the fixed plate, movably sleeved on the outer side of the driven shaft, and limitedly connected with the driven shaft. The rotating shaft is rotatably arranged on the tank body. The upper end of the connecting sleeve is fixedly connected with the rotating shaft, and the lower end of the connecting sleeve is axially slidably connected with the driven shaft. The driving motor is fixed above the tank body and connected with the rotating shaft through a belt drive. The spray pipe is fixed above the filler cage. The drain pipe is installed at the bottom of the anaerobic chamber and the aerobic chamber. The protective shell is fixed to the outer wall of the tank body to surround the driving motor, and the opening door is hingedly arranged above the protective shell.

[0008] As a further optimization of the technical scheme, the outer wall of the upper end of the driven shaft is provided with an axially extending strip-shaped protrusion, and a wave-shaped groove is formed around the surface of the driven shaft.

[0009] As a further optimization of the technical scheme, the limiting sleeve is a tubular structure matched with the driven shaft, and a radial protrusion is arranged on the inner wall of the limiting sleeve and engaged with the groove of the driven shaft.

[0010] As a further optimization of the technical scheme, a groove is formed in the inner wall of the connecting sleeve and slidably matched with the protrusion on the driven shaft.

[0011] As a further optimization of the technical scheme, the supporting plate is a plate-shaped structure provided with a round hole for accommodating the filler cage.

[0012] Due to the use of the above technical scheme, the present application has the following advantages compared with the prior art:

[0013] 1. The upper end of the connecting sleeve is fixedly connected with the shaft, the lower end of the connecting sleeve is slidably connected with the driven shaft, the limiting sleeve is fixedly connected with the inner wall of the tank body through the fixing plate, the limiting sleeve is movably sleeved on the outer side of the driven shaft, and the limiting sleeve and the driven shaft are engaged through the wave-shaped groove and the radial protrusion. The driving motor drives the shaft to rotate, the driven shaft rotates synchronously and reciprocates axially under the limiting action of the limiting sleeve, drives the filler cage to periodically ascend and descend, expands the gap between the fillers, facilitates the discharge of impurities between the fillers, and reduces the resistance of sewage treatment.

[0014] 2. The nozzle is fixed above the filler cage, the nozzle sprays the filler cage, the impurities are discharged from the gap between the fillers, and the treatment efficiency of the sewage is maintained.

[0015] 3. The present application improves the rural decentralized sewage treatment tank, has the advantages of cleaning the fillers, reducing the resistance of sewage treatment, and maintaining the treatment efficiency of the sewage, thereby effectively solving the problems and deficiencies in the prior art and equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for purposes of illustration. The embodiments of the present application illustrated in the drawings are provided to explain the present application and should not be construed as an improper limitation of the present application. In the drawings:

[0017] Fig. 1 is a sectional view of the present application;

[0018] Fig. 2A partial structure schematic view of the present utility model;

[0019] Fig. 3 A partial structure schematic view of the present utility model;

[0020] Fig. 4 A partial structure schematic view of the present utility model.

[0021] In the drawing: tank body 1, adjusting chamber 2, anaerobic chamber 3, aerobic chamber 4, sedimentation chamber 5, gas explosion pipe 6, filler cage 7, filler 8, support plate 9, driven pivot 10, limiting sleeve 11, fixed plate 12, connecting sleeve 13, pivot 14, driving motor 15, spray pipe 16, drain pipe 17, protective shell 18, opening door 19. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments.

[0023] Please see Figs. 1 to 4 The present utility model provides a specific technical implementation scheme of rural decentralized sewage treatment tank:

[0024] A decentralized rural wastewater treatment tank includes: a tank body 1, a regulating chamber 2, an anaerobic chamber 3, an aerobic chamber 4, a sedimentation chamber 5, an aeration pipe 6, a packing cage 7, packing material 8, a support plate 9, a driven rotating shaft 10, a limiting sleeve 11, a fixing plate 12, a connecting sleeve 13, a rotating shaft 14, a drive motor 15, a spray pipe 16, a drain pipe 17, a protective shell 18, and an opening door 19; the regulating chamber 2, anaerobic chamber 3, aerobic chamber 4, and sedimentation chamber 5 are sequentially arranged inside the tank body 1; the aeration pipe 6 is located at the bottom inside the aerobic chamber 4; the packing cage... 7 is set inside the anaerobic chamber 3 and the aerobic chamber 4, and the packing cage 7 is filled with packing material 8; the support plate 9 is fixed on the inner wall of the anaerobic chamber 3 and the aerobic chamber 4, and the support plate 9 is movably sleeved on the outside of the packing cage 7; the support plate 9 is a plate-shaped structure with a round hole for accommodating the packing cage 7, and plays a supporting role for the packing cage 7; the driven rotating shaft 10 is coaxially fixed to the top of the packing cage 7; the outer wall of the upper end of the driven rotating shaft 10 is provided with an axially extending strip-shaped protrusion, and the driven rotating shaft 10 is provided with a wave-shaped groove around its surface; The limiting sleeve 11 is fixedly connected to the inner wall of the tank body 1 via the fixing plate 12, and the limiting sleeve 11 is movably sleeved on the outside of the driven rotating shaft 10, and the limiting sleeve 11 and the driven rotating shaft 10 are engaged in a limiting engagement; the limiting sleeve 11 is a tubular structure that cooperates with the driven rotating shaft 10, and the inner wall of the limiting sleeve 11 is provided with radial protrusions that engage with the groove of the driven rotating shaft 10; the rotating shaft 14 is rotatably mounted on the tank body 1; the upper end of the connecting sleeve 13 is fixedly connected to the rotating shaft 14, and the lower end of the connecting sleeve 13 slides axially with the driven rotating shaft 10. The connecting sleeve 13 has a groove on its inner wall that slides with the protrusion on the driven shaft 10; the drive motor 15 is fixed above the tank 1 and is connected to the shaft 14 via belt drive; the drive motor 15 drives the shaft 14 to rotate, and the driven shaft 10 rotates synchronously under the limiting action of the connecting sleeve 13 and the limiting sleeve 11 and generates axial reciprocating motion, which drives the packing cage 7 to rise and fall periodically, causing the packing 8 to expand the gap, which facilitates the discharge of impurities between the packing 8 and reduces the resistance of sewage treatment.

[0025] The nozzle 16 is fixed above the packing cage 7; the nozzle 16 sprays the packing cage 7 to discharge impurities from the gaps between the packing 8, maintaining its wastewater treatment efficiency; the drain pipe 17 is installed at the bottom of the anaerobic chamber 3 and the aerobic chamber 4 to discharge cleaning wastewater; the protective shell 18 is fixed to the outer wall of the tank 1 to surround the drive motor 15, and an opening door 19 is hinged on the top of the protective shell 18.

[0026] Specific implementation steps

[0027] In use, sewage enters the anaerobic chamber 3 and the aerobic chamber 4 through the adjusting chamber 2, and the microorganisms on the filler 8 decompose the organic matter in the sewage, and the sewage is discharged after being precipitated in the sedimentation chamber 5; when long-time operation needs to be cleaned, the water inlet of the sewage is closed, the sewage in the tank body 1 is discharged, the driving motor 15 is started to drive the rotating shaft 14 to rotate, the driven rotating shaft 10 rotates synchronously and produces axial reciprocating motion under the limiting action of the connecting sleeve 13 and the limiting sleeve 11, drives the filler cage 7 to periodically rise and fall, makes the filler 8 expand, and at the same time, the nozzle 16 sprays water, so that the impurities between the fillers 8 are discharged, and the cleaned sewage is discharged from the drain pipe 17.

[0028] In summary: the rural decentralized sewage treatment tank, the upper end of the connecting sleeve is fixedly connected with the rotating shaft, the lower end of the connecting sleeve is slidably connected with the driven rotating shaft, the limiting sleeve is fixedly connected with the inner wall of the tank body through the fixing plate, the limiting sleeve is movably sleeved on the outer side of the driven rotating shaft, and the limiting sleeve and the driven rotating shaft are clamped through the wave-shaped groove and the radial protrusion, the driving motor drives the rotating shaft to rotate, the driven rotating shaft rotates synchronously and produces axial reciprocating motion under the limiting action of the limiting sleeve, drives the filler cage to periodically rise and fall, makes the filler expand, and facilitates the discharge of impurities between the fillers, reduces the sewage treatment resistance; the nozzle is fixed above the filler cage, the nozzle sprays the filler cage, the impurities are discharged from the gap between the fillers, and the treatment efficiency of the sewage is maintained; the rural decentralized sewage treatment tank is improved, the filler is cleaned, the sewage treatment resistance is reduced, the treatment efficiency of the sewage is maintained, and the problems and deficiencies in the prior art and equipment are effectively solved.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rural decentralized wastewater treatment tank comprising: Tank body (1), adjusting chamber (2), anaerobic chamber (3), aerobic chamber (4), sedimentation chamber (5), gas explosion pipe (6), filler cage (7), filler (8), support plate (9), driven shaft (10), limiting sleeve (11), fixed plate (12), connecting sleeve (13), shaft (14), drive motor (15), spray pipe (16), drain pipe (17), protective shell (18), opening door (19), characterized by: the adjusting chamber (2), anaerobic chamber (3), aerobic chamber (4), sedimentation chamber (5) are sequentially arranged in the tank body (1); the gas explosion pipe (6) is arranged at the bottom of the inside of the aerobic chamber (4); the filler cage (7) is arranged in the anaerobic chamber (3) and the aerobic chamber (4), and the filler cage (7) is filled with filler (8); the support plate (9) is fixed on the inner wall of the anaerobic chamber (3) and the aerobic chamber (4), and the support plate (9) is movably sleeved on the outside of the filler cage (7); the driven shaft (10) is coaxially fixed on the top of the filler cage (7); the limiting sleeve (11) is fixedly connected with the inner wall of the tank body (1) through the fixed plate (12), and movably sleeved on the outside of the driven shaft (10), and the limiting sleeve (11) is limitingly connected with the driven shaft (10); the shaft (14) is rotatably arranged on the tank body (1); the upper end of the connecting sleeve (13) is fixedly connected with the shaft (14), and the lower end of the connecting sleeve (13) is axially slidingly connected with the driven shaft (10); the drive motor (15) is fixed above the tank body (1), and the drive motor (15) is connected with the shaft (14) through belt transmission; the spray pipe (16) is fixed above the filler cage (7); the drain pipe (17) is installed at the bottom of the anaerobic chamber (3) and the aerobic chamber (4); the protective shell (18) is fixed on the outer wall of the tank body (1) to surround the drive motor (15), and the opening door (19) is hingedly arranged above the protective shell (18).

2. The rural decentralized wastewater treatment tank according to claim 1, characterized in that: The outer wall of the upper end of the driven shaft (10) is provided with an axially extending strip-shaped protrusion, and a wave-shaped groove is formed around the surface of the driven shaft (10).

3. The rural decentralized wastewater treatment tank according to claim 1, characterized in that: The limiting sleeve (11) is a tubular structure matched with the driven shaft (10), and a radial protrusion is arranged on the inner wall of the limiting sleeve (11) to be engaged with the groove of the driven shaft (10).

4. The rural decentralized wastewater treatment tank according to claim 1, characterized in that: The inner wall of the connecting sleeve (13) is provided with a groove matched with the protrusion on the driven shaft (10).

5. The rural decentralized wastewater treatment tank according to claim 1, characterized in that: The support plate (9) is a plate-shaped structure provided with a circular hole for accommodating the filler cage (7).