CN-224226780-U - Suspended sludge clarifying device

CN224226780UCN 224226780 UCN224226780 UCN 224226780UCN-224226780-U

Abstract

The application relates to the technical field of sludge clarification, in particular to a suspended sludge clarification device which comprises a main body, a water inlet pipe, a lifting cylinder, a reaction chamber, a central sludge collecting cylinder and a water outlet pipe orifice, wherein one end of the water inlet pipe extends out of the bottom of the main body, the other end of the water inlet pipe is communicated with the bottom of the lifting cylinder in the main body, the lifting cylinder is a cylindrical cylinder, the water inlet pipe is communicated with the lifting cylinder in the tangential direction of the side wall of the lifting cylinder, so that sewage containing flocculant enters the lifting cylinder to form vortex, the reaction chamber is arranged at the upper end of the lifting cylinder, the central sludge collecting cylinder is arranged on the central axis of the reaction chamber, the top end of the reaction chamber is the top of the main body, and the water outlet pipe orifice is arranged at the top of the main body. Through the combination of vortex and flocculation effect, the device rapidly adsorbs oil and suspended solid particles in sewage to form solid sludge particles, and effectively gathers together to a central sludge collection cylinder.

Inventors

LIU SHIYUE
WANG CHAO
ZHU WEINA
ZHU ZHE
LIU JIALI
LIU JING
KUI FANG
JI XIAOFEI

Assignees

胜利新大新材料股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250421

Claims (10)

1. The suspended sludge clarifying device is characterized by comprising a main body, a water inlet pipe, a lifting cylinder, a reaction chamber, a central sludge collecting cylinder and a water outlet pipe orifice; One end of the water inlet pipe extends out from the bottom of the main body, and the other end of the water inlet pipe is communicated with the bottom of the lifting cylinder in the main body and is used for introducing sewage containing flocculant into the lifting cylinder from the outside; The rising cylinder is a cylindrical cylinder body, and the water inlet pipe is communicated with the rising cylinder in the tangential direction of the side wall of the rising cylinder, so that vortex is formed after sewage containing flocculant enters the rising cylinder; The reaction chamber is arranged at the upper end of the ascending cylinder, and the diameter of the reaction chamber is not smaller than the diameter of the ascending cylinder; The sewage containing flocculant absorbs oil and suspended matter particles contained in the sewage to form solid sludge particles in the ascending cylinder and the reaction chamber due to flocculation effect, and gathers the solid sludge particles towards the center of vortex in vortex; the central sludge collection cylinder is arranged on the central axis of the reaction chamber upwards and is used for collecting sludge particles gathered by the vortex center; the top end of the reaction chamber is the top of the main body, and the water outlet pipe orifice is arranged at the top of the main body and used for collecting clean water separated from sludge particles in the reaction chamber.
2. The suspended sludge clarification device of claim 1, wherein the reaction chamber comprises a transition zone and a vertical zone; The side wall of the transition zone is of a funnel-shaped structure, the diameter of the lower end is the same as that of the ascending cylinder, the diameter of the upper end is the same as that of the vertical zone, and the diameter of the area between the upper end and the lower end is uniformly changed along with the height; The diameter of the vertical area is the diameter of the inner wall of the main body and is larger than the diameter of the ascending cylinder.
3. The suspended sludge clarification device according to claim 1, wherein a sludge collecting pipe is arranged at the lower end of the central sludge collecting cylinder; One end of the mud collecting pipe, which is far away from the central mud collecting cylinder, penetrates out of the reaction chamber to a mud concentration chamber; the sludge concentration chamber is arranged below the reaction chamber and is formed by surrounding the inner wall of the main body, the outer wall of the reaction chamber and the outer wall of the ascending cylinder, and is used for collecting and concentrating the sludge collected by the central sludge collection cylinder.
4. A suspended sludge clarification device according to claim 3, wherein a sludge discharge pipe is provided at the bottom of the sludge thickening chamber for discharging the sludge of the lower layer in the sludge thickening chamber.
5. The suspended sludge clarification device according to claim 4, wherein a clarification ring plate is further arranged in the sludge concentrating chamber; the clarifying ring plate is annular, the inner diameter of the clarifying ring plate is connected with the outer diameter of the reaction chamber, and the outer diameter of the clarifying ring plate is connected with the inner wall of the main body; the clarification ring plate divides the sludge concentration chamber into a concentration area and a clarification area; And the clarification ring plate is provided with water permeable holes for communicating the concentration area with the clarification area, so that supernatant in the concentration area enters the clarification area.
6. The suspended sludge clarification device of claim 5, further comprising a draft tube; The drainage tube is arranged on the side wall of the clarification area and is used for guiding out clear liquid in the clarification area.
7. The suspended sludge clarification device according to claim 1, further comprising a chute structure and a chute support; The inclined tube structure is arranged in the reaction chamber through an inclined tube bracket; the lower end face of the inclined tube structure is not lower than the upper end of the central sludge collection cylinder; the inclined tube bracket is fixedly connected with the inner wall of the main body; The inclined tube structure is used for gathering a small part of particles remained in the clean water which ascend to the inclined tube structure again to form particles.
8. The suspended sludge clarification device of claim 7, further comprising a steady flow hood; The steady flow cover is arranged on the inclined tube support and is positioned in the center of the inclined tube structure, and is used for reducing the impact force and fluctuation of water flow, so that particles formed by aggregation at the inclined tube structure fall down, the water flow above the steady flow cover is more stable, and the collection at a water outlet pipe orifice is facilitated.
9. The suspended sludge clarification device of claim 4, further comprising a sludge discharge ring plate; The mud discharging ring plate is arranged at the bottom of the main body and is used for installing the mud discharging pipe.
10. The suspended sludge clarification device of claim 3, further comprising a sludge collection hood; The sludge collecting cover is arranged at the sludge outlet of the sludge collecting pipe and is used for avoiding sludge splashing at the sludge collecting pipe and reducing the sludge flow rate, so that the sludge flow rate in the sludge concentrating chamber is reduced.

Description

Suspended sludge clarifying device Technical Field The application relates to the technical field of sludge clarification, in particular to a suspended sludge clarification device. Background The suspended sludge clarifying device is used as an important water treatment device and is widely applied to the fields of municipal water supply, oily sewage treatment of oilfield produced water, industrial wastewater treatment and the like. The core is that the suspended matter, colloid and partial soluble organic matter in water are adsorbed, flocculated and deposited by using the suspended sludge layer to purify water. However, the existing suspended sludge clarifying device still has some defects in practical application, and the treatment efficiency and the operation stability of the device are affected. In the running process of the existing suspended sludge clarifying device, the stability of a sludge layer is often affected by various factors, such as raw water quality change, coagulant addition amount, ascending water flow rate and the like. Instability of the sludge layer may cause a decrease in treatment efficiency, even cause clogging of equipment, and the like. The prior art suspended sludge clarifier is relatively complex in structure and involves the cooperative work of a plurality of components and systems. Therefore, the maintenance and management are difficult, and professional staff is required to perform regular checking, cleaning, maintenance and other works. Meanwhile, as the inside of the equipment is provided with media such as sludge, sewage and the like, potential safety hazards may exist in the maintenance process. In addition, the existing suspended sludge clarification devices may suffer from reduced treatment efficiency or inadaptability when treating high turbidity, high organic content, or complex water quality. This limits its application effect in certain specific application scenarios. Disclosure of utility model The application aims to provide a suspended sludge clarifying device which aims to solve at least one technical problem existing in the prior art. In order to solve the technical problems, the application provides a suspended sludge clarifying device, which comprises a main body, a water inlet pipe, a lifting cylinder, a reaction chamber, a central sludge collecting cylinder and a water outlet pipe orifice; One end of the water inlet pipe extends out from the bottom of the main body, and the other end of the water inlet pipe is communicated with the bottom of the lifting cylinder in the main body and is used for introducing sewage containing flocculant into the lifting cylinder from the outside; The rising cylinder is a cylindrical cylinder body, and the water inlet pipe is communicated with the rising cylinder in the tangential direction of the side wall of the rising cylinder, so that vortex is formed after sewage containing flocculant enters the rising cylinder; The reaction chamber is arranged at the upper end of the ascending cylinder, and the diameter of the reaction chamber is not smaller than the diameter of the ascending cylinder; The sewage containing flocculant absorbs oil and suspended matter particles contained in the sewage to form solid sludge particles in the ascending cylinder and the reaction chamber due to flocculation effect, and gathers the solid sludge particles towards the center of vortex in vortex; the central sludge collection cylinder is arranged on the central axis of the reaction chamber upwards and is used for collecting sludge particles gathered by the vortex center; the top end of the reaction chamber is the top of the main body, and the water outlet pipe orifice is arranged at the top of the main body and used for collecting clean water separated from sludge particles in the reaction chamber. Further, the reaction chamber comprises a transition zone and a vertical zone; The side wall of the transition zone is of a funnel-shaped structure, the diameter of the lower end is the same as that of the ascending cylinder, the diameter of the upper end is the same as that of the vertical zone, and the diameter of the area between the upper end and the lower end is uniformly changed along with the height; The diameter of the vertical area is the diameter of the inner wall of the main body and is larger than the diameter of the ascending cylinder. Further, a mud collecting pipe is arranged at the lower end of the central mud collecting cylinder; One end of the mud collecting pipe, which is far away from the central mud collecting cylinder, penetrates out of the reaction chamber to a mud concentration chamber; the sludge concentration chamber is arranged below the reaction chamber and is formed by surrounding the inner wall of the main body, the outer wall of the reaction chamber and the outer wall of the ascending cylinder, and is used for collecting and concentrating the sludge collected by the central sludge collection cylinder. Further, a sludge di