Double-port type sludge fermentation tank

By setting opening and closing mechanisms at the top and bottom of the sludge fermentation tank to form a dual-port structure, the problem of sludge output difficulty in the single-port structure is solved, achieving efficient sludge fermentation treatment and improving fermentation efficiency and ease of operation.

CN224047266UActive Publication Date: 2026-03-27SICHUAN CHANGJI ENVIRONMENTAL PROTECTION ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The single-port structure of existing sludge fermentation tanks makes sludge output difficult, affecting fermentation efficiency and ease of operation.

Method used

The design incorporates a dual-port sludge fermentation tank with opening and closing mechanisms at the top and bottom of the tank, forming a dual-port structure. Combined with a stirring shaft and drive mechanism, this enables automatic sludge input and output, and the movement of the opening and closing plates is controlled by cylinders and guide rods.

Benefits of technology

It achieves efficient sludge feeding and discharging, improves fermentation efficiency, ensures uniform mixing, enhances automation, strengthens sealing and safety, and reduces the labor intensity of operators.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a double-port type sludge fermentation tank. Comprising a frame body and a fermentation tank body fixed on the frame body, a stirring shaft with stirring blades is transversely arranged in an inner cavity of the fermentation tank body in a penetrating mode, the frame body is divided into two parts, and each frame body is provided with a driving mechanism capable of driving the stirring shaft to rotate in the inner cavity of the fermentation tank body. The top and the bottom of the fermentation tank body are respectively provided with a group of opening and closing mechanisms to form a double-port structure for automatically opening and closing a sludge inlet and a sludge outlet of the tank body. According to the double-port type sludge fermentation tank, the opening and closing mechanisms are respectively arranged at the top and the bottom of the fermentation tank body, so that a double-port structure is formed. Compared with a traditional single-port fermentation tank, the sludge can be input and output respectively without rotating the tank body, the problem that the sludge is difficult to output in a single-port structure is avoided, and the material loading and unloading time is greatly shortened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sludge fermentation tank, specifically to a double port formula sludge fermentation tank. BACKGROUND

[0002] Sludge fermentation treatment is an important way to realize sludge resource utilization, through fermentation, sludge can be converted into organic fertilizer, bioenergy and other products, which can not only reduce the pollution of sludge to the environment, but also create economic value. In the sludge fermentation process, the fermentation tank as the core equipment, its performance directly affects the fermentation effect and production efficiency. At present, the existing sludge fermentation tank mostly adopts single port structure (i.e. the sludge inlet before fermentation and the sludge outlet after fermentation are the same port, which belongs to single port structure), which will lead to the difficulty of sludge output after fermentation, and the sludge must be rotated to unload, which will affect the fermentation efficiency. SUMMARY

[0003] Therefore, in order to solve the above problems, the utility model provides a double port formula sludge fermentation tank. The double port formula sludge fermentation tank of the application sets opening and closing mechanism at the top and bottom of the fermentation tank body, forming double port structure. Compared with the traditional single port fermentation tank, the input and output of sludge can be realized without rotating the tank body, avoiding the problem of difficult sludge output in single port structure, and greatly shortening the material loading and unloading time.

[0004] The utility model is realized, a double port formula sludge fermentation tank is constructed, and the utility model discloses the following: the utility model discloses a double port formula sludge fermentation tank, which comprises a frame body and a fermentation tank body fixed on the frame body, a stirring shaft with stirring blades is transversely arranged in the inner cavity of the fermentation tank body, the frame body is divided into two parts, and a set of driving mechanism capable of driving the stirring shaft to rotate in the inner cavity of the fermentation tank body is arranged on each frame body.

[0005] According to the double port formula sludge fermentation tank, the stirring shaft is a hollow rotating shaft, and the end of the stirring shaft extends out of the fermentation tank body to form a hot gas inlet.

[0006] According to the double port formula sludge fermentation tank, the driving mechanism is composed of a motor and a speed reduction mechanism, the end of the stirring shaft is provided with a transmission gear, the output end of the speed reduction mechanism is also provided with a driving gear, and the stirring shaft is driven to rotate through the meshing of the driving gear and the transmission gear.

[0007] According to the double-port sludge fermentation tank, the opening and closing mechanism is composed of two groups of guide rods, two groups of opening and closing plates, and two groups of air cylinders for driving the opening and closing plates to move, the inlet and outlet of the fermentation tank body are provided with platforms, the two groups of guide rods are fixedly installed on the platforms, the air cylinders are fixedly arranged at the side edges of the inlet and outlet of the fermentation tank body through positioning seats, the telescopic ends of the air cylinders are fixed to the outer end faces of the corresponding opening and closing plates, the two ends of the two groups of opening and closing plates are respectively attached to the platforms, the upper surfaces of the two ends of the opening and closing plates are fixed with guide seats capable of being sleeved on the guide rods, and the two groups of opening and closing plates are driven by the two groups of air cylinders to move to realize the opening and closing of the inlet and outlet.

[0008] The double-port sludge fermentation tank has the following advantages: (1) efficient feeding and discharging, and improved fermentation efficiency; the double-port sludge fermentation tank is provided with opening and closing mechanisms at the top and bottom of the fermentation tank body, and forms a double-port structure. Compared with a traditional single-port fermentation tank, the input and output of sludge can be realized without rotating the tank body, the problem of difficult sludge output in the single-port structure is avoided, and the material loading and unloading time is greatly shortened. (2) optimized stirring effect and guaranteed uniformity of fermentation; the stirring shaft with stirring blades is arranged in the horizontal direction in the inner cavity of the fermentation tank, and the frame body is divided into two parts, each of which is provided with a group of driving mechanisms. The double-driving design enhances the stirring power, so that the stirring shaft can more stably and efficiently drive the stirring blades to rotate, and the sludge in the tank is fully stirred. Meanwhile, the stirring shaft adopts a hollow rotating shaft and is provided with a hot gas inlet, hot gas can be introduced to assist the fermentation process, further promoting the mixing and heat and mass transfer of the material, effectively guaranteeing the uniformity of the sludge fermentation in the tank and improving the fermentation quality. (3) high automation degree and convenient operation; the opening and closing mechanism is composed of a cylinder, guide rods and opening and closing plates, and the opening and closing of the inlet and outlet can be automatically controlled through the telescopic action of the cylinder, without manual complicated operation or complex mechanical structure. This automatic design not only reduces the labor intensity of the operator, but also improves the accuracy and safety of the operation. Meanwhile, the driving mechanism adopts the mode of cooperation of a motor and a speed reduction mechanism and gear transmission, which is simple in structure and stable in operation, and is convenient for maintenance and management of the equipment. (4) good sealing performance and high safety; in the opening and closing mechanism, the two ends of the two groups of opening and closing plates are attached to the platforms, and cooperate with the guide rods through the guide seats, and can tightly close the inlet and outlet under the pushing of the cylinder. The good sealing performance effectively prevents gas leakage during the fermentation process, guarantees the stability of the fermentation environment, avoids the safety hidden danger caused by gas leakage, and ensures the health and safety of the operator. BRIEF DESCRIPTION OF DRAWINGS

[0009] Fig. 1 is a schematic diagram of the whole implementation of the present application;

[0010] Fig. 2 is a schematic diagram of the internal structure of the present application.

[0011] Wherein: frame body 1, fermentation tank body 2, stirring shaft 3, hot gas inlet 3-1, opening and closing mechanism 4, guide rod 5, opening and closing plate 6, both ends of opening and closing plate 6 6-1, cylinder 7, guide seat 8, platform 9, positioning seat 10. DETAILED DESCRIPTION

[0012] The utility model will be described below in combination with the accompanying drawings Figs. 1-2 The utility model is described in detail, and the technical scheme in the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of the utility model protection.

[0013] Embodiment 1, the utility model provides a double-port sludge fermentation tank, as Figs. 1-2 Shown, can be implemented as follows; including frame body 1 and the fermentation tank body 2 of fixed on frame body 1, the inner chamber of fermentation tank body 2 is transversely through the setting stirring shaft 3 with stirring paddle, frame body 1 is two parts respectively, each frame body is equipped with a group of drive mechanism that can drive stirring shaft 3 to rotate in the inner chamber of fermentation tank body 2, a group of opening and closing mechanism 4 is arranged at the top and bottom of fermentation tank body 2 respectively, forming double-port structure, for automatically realizing the opening and closing of tank body sludge inlet and outlet.

[0014] The utility model is implemented, as Figs. 1-2 Shown, the stirring shaft 3 is hollow rotating shaft, and the end head stretches out after forming hot gas inlet 3-1 in fermentation tank body 2.

[0015] The utility model is implemented, as Figs. 1-2 Shown, the drive mechanism is composed of motor and speed reducer, the end head of stirring shaft 3 is provided with transmission gear, the output end of speed reducer is also provided with driving gear, and the stirring shaft 3 is driven to rotate by the meshing of driving gear and transmission gear.

[0016] The utility model is implemented, as Figs. 1-2 Shown, the composition of opening and closing mechanism 4 includes two groups of guide rods 5, two groups of opening and closing plates 6, two groups of cylinders 7 for pushing the movement of opening and closing plate, the inlet and outlet of fermentation tank body 2 have platform 9, two groups of guide rods 5 are fixedly installed on platform 9, cylinder 7 is fixedly arranged at the side of inlet and outlet of fermentation tank body 2 through positioning seat 10, the telescopic end of cylinder 7 is fixed with the corresponding outer surface end face of opening and closing plate 6, the both ends 6-1 of two groups of opening and closing plates 6 are respectively attached at platform 9, the upper surface of both ends 6-1 of opening and closing plate 6 is fixed with guide seat 8 that can be penetrated on guide rod 5, two groups of cylinders 7 act to push two groups of opening and closing plates 6 to move and realize the opening and closing of inlet and outlet.

[0017] The implementation process of the present application is described below.

[0018] I. Equipment preparation stage: check the stability of the frame 1, ensure that the fermentation tank body 2 is firmly fixed on the frame 1. Check the motor in the drive mechanism, the reduction mechanism, and the cylinder 7, guide rod 5 and other components in the opening and closing mechanism 4 comprehensively, confirm that each component is fault-free and connected normally, and ensure that the equipment can operate normally. Connect the hot gas delivery pipeline through the hot gas inlet 3-1 at the end of the stirring shaft 3, debug the hot gas inlet system, and ensure that the hot gas can be delivered stably according to the fermentation requirements.

[0019] II. Sludge input stage: start the opening and closing mechanism 4 located at the top of the fermentation tank body 2, the cylinder 7 contracts, drives the two groups of opening and closing plates 6 to slide along the guide rod 5 to both sides, opens the top inlet and outlet. The sludge to be fermented is transported into the fermentation tank body 2 through the top inlet and outlet by the conveying equipment. After the sludge is transported, the cylinder 7 is extended, the opening and closing plate 6 is reset, and the top inlet and outlet are tightly closed to prevent gas leakage during fermentation.

[0020] III. Sludge fermentation stage: start the drive mechanism, the motor operates, and the power is transmitted to the drive gear through the reduction mechanism. The drive gear meshes with the transmission gear at the end of the stirring shaft 3, driving the stirring shaft 3 to rotate stably in the inner cavity of the fermentation tank body 2. The double drive mechanism works cooperatively to ensure that the stirring shaft 3 drives the stirring paddle to mix the sludge efficiently. According to the requirements of the fermentation process, hot gas is introduced into the hollow stirring shaft 3 through the hot gas inlet 3-1, and the hot gas is emitted into the fermentation tank body 2 through the air holes on the stirring shaft 3, which helps to adjust the temperature in the tank, promote heat and mass transfer during the sludge fermentation process, and ensure the smooth progress of the fermentation process. During the fermentation process, the temperature, humidity, pH value and other parameters in the fermentation tank body 2 are continuously monitored and adjusted as needed to ensure that the fermentation environment meets the process requirements.

[0021] IV. Sludge output stage: when the sludge fermentation is completed, start the opening and closing mechanism 4 located at the bottom of the fermentation tank body 2, the cylinder 7 contracts, drives the two groups of opening and closing plates 6 to slide along the guide rod 5 to both sides, opens the bottom inlet and outlet. The fermented sludge is discharged to the subsequent treatment equipment or storage device under the action of gravity through the bottom inlet and outlet, or the stirring shaft 3 is started to drive the rapid sludge discharge through the paddle on the stirring shaft 3. After the sludge is discharged, the cylinder 7 is extended, the opening and closing plate 6 is reset, and the bottom inlet and outlet are tightly closed, completing a complete sludge fermentation treatment process.

[0022] Five, equipment maintenance and cleaning stage: regularly lubricate, maintain the driving mechanism, opening and closing mechanism 4 and other components, check the gear wear, cylinder sealing and other conditions, replace the worn parts in time, ensure the long-term stable operation of the equipment. After each fermentation treatment is completed, clean the inside of the fermentation tank 2, remove the residual sludge, prevent the sludge residue from affecting the next fermentation effect. At the same time, check and clean the stirring shaft 3, stirring paddle and other components, ensure that the equipment is in good working condition.

[0023] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A double-port sludge fermentation tank characterized by; The utility model relates to a fermentation tank body (2) and fixed frame (1) on the frame (1), fermentation tank body (2) in the inner chamber transverse through the setting of stirring shaft (3) with stirring blade, frame (1) is two parts respectively, and each frame is equipped with a group of drive mechanism that can drive stirring shaft (3) rotates in the inner chamber of fermentation tank body (2), the top and bottom of fermentation tank body (2) are provided with a group of open and close mechanism (4) respectively, form double mouth structure, for automatically realizing the open and close of tank body sludge import and export.

2. The double-port sludge fermenter according to claim 1, characterized in that; The stirring shaft (3) is a hollow rotating shaft, and the end thereof extends out of the fermentation tank body (2) to form a hot gas inlet (3-1).

3. The double-port sludge fermenter according to claim 1, wherein The drive mechanism is composed of a motor and a speed reducer, and the end of the stirring shaft (3) is provided with a transmission gear, and the output end of the speed reducer is also provided with a driving gear, so that the stirring shaft (3) is driven to rotate through the meshing of the driving gear and the transmission gear.

4. The double-port sludge fermenter according to claim 1, wherein The open and close mechanism (4) comprises two groups of guide rods (5), two groups of opening and closing plates (6), two groups of air cylinders (7) for pushing the opening and closing plates to move, the fermentation tank body (2) has a platform (9) at the inlet and outlet thereof, the two groups of guide rods (5) are fixedly installed on the platform (9), the air cylinders (7) are fixedly arranged at the side edges of the inlet and outlet of the fermentation tank body (2) through positioning seats (10), the telescopic ends of the air cylinders (7) are fixed to the outer end faces of the corresponding opening and closing plates (6), the two ends (6-1) of the two groups of opening and closing plates (6) are respectively attached to the platform (9), the upper surfaces of the two ends (6-1) of the opening and closing plates (6) are fixedly provided with guide seats (8) which can be sleeved on the guide rods (5), and the two groups of air cylinders (7) are pushed out to move the two groups of opening and closing plates (6) to realize the opening and closing of the inlet and outlet.