CN215195546U - Two heavy pond sludge treatment systems - Google Patents
Two heavy pond sludge treatment systems Download PDFInfo
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- CN215195546U CN215195546U CN202121778712.8U CN202121778712U CN215195546U CN 215195546 U CN215195546 U CN 215195546U CN 202121778712 U CN202121778712 U CN 202121778712U CN 215195546 U CN215195546 U CN 215195546U
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Abstract
The utility model discloses a secondary sedimentation tank sludge treatment system, which comprises a sludge storage tank, wherein the outlet end of a sludge discharge pipeline of the secondary sedimentation tank is communicated with the sludge storage tank, a sludge outlet pipeline is arranged in the sludge storage tank and is communicated with a centrifugal dehydration device, and a sludge pump is arranged on the sludge outlet pipeline; the device is characterized in that the flocculant adding system is also provided with a flocculant adding pipeline of a dewatering device connected to the feed end of the centrifugal dewatering device. The utility model has the advantages of can improve the sludge dewatering effect better.
Description
Technical Field
The utility model relates to a sewage treatment system field, concretely relates to two heavy pond sludge treatment systems.
Background
The secondary sedimentation tank is generally referred to as a secondary sedimentation tank. In a sewage treatment system, a sedimentation tank after biological filtration treatment is generally called a secondary sedimentation tank. The secondary sedimentation tank is used for separating mud and water, clarifying the mixed solution, concentrating the sludge and returning the separated sludge part to the biological filtration treatment section.
Except that part of sludge in the secondary sedimentation tank returns to the biological filtration treatment section, the rest sludge generally needs to be extracted for treatment. The existing sludge treatment system comprises a sludge storage tank, wherein the outlet end of a sludge discharge pipeline of a secondary sedimentation tank is communicated with the sludge storage tank, a sludge outlet pipeline is arranged in the sludge storage tank and communicated with a centrifugal dehydration device, and a sludge pump is arranged on the sludge outlet pipeline. Therefore, sludge in the secondary sedimentation tank is discharged to the sludge storage tank for centralized storage through the sludge discharge pipeline, and when a certain amount of sludge is accumulated, the sludge is pumped into the centrifugal dehydration device by the sludge pump to be dehydrated, and then the dehydrated sludge is output and treated. Wherein for convenience centrifuge improves the dewatering effect, in storing up mud pond, can increase the step that the flocculating agent was put in usually, improve the mud-water separation effect. However, the following defects still exist in the prior art: 1 the sludge is accumulated for a period of time after entering the sludge storage tank, so that when the sludge is discharged to a centrifugal dehydration device, the effect of the flocculant is reduced, and the sludge dehydration effect is reduced. 2 the flocculating agent is directly added into the sludge storage pool, so that the flocculating agent is not uniformly mixed with the sludge, and the subsequent sludge dewatering efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: provided is a secondary sedimentation tank sludge treatment system which can improve the sludge dewatering effect better.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a secondary sedimentation tank sludge treatment system comprises a sludge storage tank, wherein the outlet end of a sludge discharge pipeline of the secondary sedimentation tank is communicated with the sludge storage tank, a sludge outlet pipeline is arranged in the sludge storage tank and is communicated with a centrifugal dehydration device, and a sludge pump is arranged on the sludge outlet pipeline; the device is characterized in that the flocculant adding system is also provided with a flocculant adding pipeline of a dewatering device connected to the feed end of the centrifugal dewatering device.
Thus, a flocculating agent is added into the sludge storage tank through a flocculating agent adding pipeline of the sludge storage tank to realize the first flocculation reaction of the sludge, and then when the sludge in the sludge storage tank is subsequently extracted for dehydration treatment, the flocculating agent is added into the sludge at the feed end of the centrifugal dehydration device by virtue of a flocculating agent adding pipeline of the dehydration device. Thus greatly improving the dewatering effect of the sludge during the centrifugal dewatering treatment. The water content of the dewatered sludge is lower, and the subsequent transportation treatment is more facilitated.
Further, still install a helical conveyor for the compounding on the mud pipeline of the feed end of centrifugal dehydration device, dewatering device flocculating agent adds the pipeline and is connected to helical conveyor for the compounding feed end.
Therefore, the flocculating agent added before sludge dewatering can be well and uniformly mixed with the sludge, and the subsequent dewatering treatment effect is improved.
Furthermore, the discharge end of the centrifugal dehydration device is also connected with a screw conveyor for discharging.
Therefore, the dewatered sludge is more conveniently compressed and discharged, and the subsequent conveying treatment is facilitated.
Furthermore, the flocculating agent feeding system also comprises a mixing container, the water inlet end of the mixing container is connected with a water inlet pipe, the water outlet end of the mixing container is respectively connected with a flocculating agent feeding pipeline of the sludge storage tank and a flocculating agent feeding pipeline of the dewatering device, and the upper end of the mixing container is also provided with a flocculating agent raw material feeding port.
Therefore, the flocculant raw material is added with water and mixed into a flocculant solution through a mixing container for adding.
Further, a stirring device is installed in the mixing container. Thus, the stirring and fusion of the raw materials of the flocculating agent are conveniently realized.
Furthermore, the water outlet end of the mixing container is connected with a water outlet main pipe provided with a water pump, and the water outlet main pipe is respectively connected with a flocculating agent feeding pipeline of the sludge storage tank and a flocculating agent feeding pipeline of the dewatering device.
Thus, the water outlet is more conveniently controlled.
Furthermore, the side wall of the mixing container is provided with a transparent window, and the transparent window is also provided with volume scale marks.
Therefore, when the flocculating agent is added conveniently, the adding and mixing proportion is calculated and controlled.
Further, be provided with into mud device in the storage mud pond, it includes an upper end open-ended filter mantle to advance mud device, the export that goes out the mud pipeline and the export that stores up mud pond flocculating agent and throw the pipeline all are located the filter mantle top.
Like this, conveniently filter some great particulate matters and flexible strip through the filter mantle in with mud, avoid it to block up the filter screen in getting into follow-up centrifugal dehydration device, lead to reducing dehydration effect. Meanwhile, an outlet of a flocculating agent adding pipeline of the sludge storage tank is led to the position, so that added flocculating agent solution and sludge can be mixed better.
Furthermore, a circle of annular adding pipeline is fixedly arranged at the edge of an opening at the upper end of the filter cover, an outlet of the flocculating agent adding pipeline of the sludge storage tank is connected with the adding pipeline, and water outlets pointing to the inside of the filter cover are uniformly arranged on the adding pipeline along the circumferential direction.
Therefore, the mixing effect of the added flocculant solution and the sludge entering the sludge storage tank can be better improved.
Alternatively, the outlet of the sludge outlet pipe is vertically arranged downwards in the middle of the filter cover. Therefore, the sludge is conveniently added from the middle part of the filter cover and is mixed with the flocculant solution around the filter cover.
As another option, a circle of rotatable rotating blades is arranged inside the filter cover along the inner wall, and an outlet of the mud outlet pipeline is obliquely arranged downwards and positively rotates the rotating blades.
Therefore, after the hydrous sludge put into the outlet of the sludge outlet pipeline impacts the rotating blades, the rotating blades can be driven to rotate, so that stirring is better realized, and the flocculating agent is conveniently and uniformly mixed.
Furthermore, the rotating blades are arranged on a mounting ring which is arranged at intervals with the edge of the opening at the upper end of the filter cover, the mounting ring can be rotationally and fixedly hung on a bearing at the upper part, and the bearing is supported and arranged on the feeding pipeline or the sludge storage tank body.
Therefore, the rotating shaft center of the rotating blade is obtained by one bearing and is arranged above the tank body, so that the blockage by sludge can be avoided, and the rotating device has the advantages of simple structure and reliable and stable rotation.
Further, the filter cover is integrally barrel-shaped. The flocculant is more convenient to mix.
To sum up, the utility model has the advantages of can improve the sludge dewatering effect better.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Fig. 2 is a schematic structural diagram of a part of the single mud feeding device in fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
In the specific implementation: referring to fig. 1-2, a secondary sedimentation tank sludge treatment system comprises a sludge storage tank 1, wherein the outlet end of a sludge discharge pipeline 2 of the secondary sedimentation tank is communicated with the sludge storage tank 1, a sludge outlet pipeline communicated with a centrifugal dehydration device 3 is arranged in the sludge storage tank 1, and a sludge pump 4 is arranged on the sludge outlet pipeline; the device also comprises a flocculant adding system, wherein the flocculant adding system is provided with a sludge storage tank flocculant adding pipeline 5 connected to the sludge storage tank, and the flocculant adding system is also provided with a dewatering device flocculant adding pipeline 6 connected to the feed end of the centrifugal dewatering device.
Thus, a flocculating agent is added into the sludge storage tank through a flocculating agent adding pipeline of the sludge storage tank to realize the first flocculation reaction of the sludge, and then when the sludge in the sludge storage tank is subsequently extracted for dehydration treatment, the flocculating agent is added into the sludge at the feed end of the centrifugal dehydration device by virtue of a flocculating agent adding pipeline of the dehydration device. Thus greatly improving the dewatering effect of the sludge during the centrifugal dewatering treatment. The water content of the dewatered sludge is lower, and the subsequent transportation treatment is more facilitated.
Wherein, still install a helical conveyor 7 for the compounding on the play mud pipeline of centrifugal dehydration device 3's feed end, dewatering device flocculating agent adds the pipeline and is connected to the feed end of helical conveyor 7 for the compounding.
Therefore, the flocculating agent added before sludge dewatering can be well and uniformly mixed with the sludge, and the subsequent dewatering treatment effect is improved.
Wherein, the discharge end of the centrifugal dehydration device 3 is also connected with a screw conveyer 8 for discharging.
Therefore, the dewatered sludge is more conveniently compressed and discharged, and the subsequent conveying treatment is facilitated.
The flocculant adding system further comprises a mixing container 9, a water inlet pipe 10 is connected to the water inlet end of the mixing container 9, the water outlet end of the mixing container 9 is respectively connected with a flocculant adding pipeline 5 of the sludge storage tank and a flocculant adding pipeline 6 of the dewatering device, and a flocculant raw material adding port is further arranged at the upper end of the mixing container 9.
Therefore, the flocculant raw material is added with water and mixed into a flocculant solution through a mixing container for adding.
Wherein a stirring device 11 is installed in the mixing container 9. Thus, the stirring and fusion of the raw materials of the flocculating agent are conveniently realized.
Wherein, the water outlet end of the mixing container 9 is connected with a water outlet main pipe provided with a water pump 12, and the water outlet main pipe is respectively connected with a flocculating agent feeding pipeline of the sludge storage tank and a flocculating agent feeding pipeline of the dewatering device.
Thus, the water outlet is more conveniently controlled.
Wherein, the side wall of the mixing container 9 is provided with a transparent window, and the transparent window is provided with volume scale marks.
Therefore, when the flocculating agent is added conveniently, the adding and mixing proportion is calculated and controlled.
Wherein, be provided with into mud device in the storage mud pond, it includes an upper end open-ended filter mantle 13 to advance mud device, the export of going out mud pipeline 2 and the export that the pipeline 5 was thrown to storage mud pond flocculating agent all are located filter mantle 13 top.
Like this, conveniently filter some great particulate matters and flexible strip through the filter mantle in with mud, avoid it to block up the filter screen in getting into follow-up centrifugal dehydration device, lead to reducing dehydration effect. Meanwhile, an outlet of a flocculating agent adding pipeline of the sludge storage tank is led to the position, so that added flocculating agent solution and sludge can be mixed better.
Wherein, the edge of the opening at the upper end of the filter mantle 13 is fixedly provided with a ring of annular adding pipelines 14, the outlet of the flocculating agent adding pipeline of the sludge storage tank is connected with the adding pipeline, and the adding pipeline 14 is uniformly provided with water outlets 15 pointing to the inside of the filter mantle along the circumferential direction.
Therefore, the mixing effect of the added flocculant solution and the sludge entering the sludge storage tank can be better improved.
As an alternative implementation option, the outlet of the mud outlet pipe is arranged vertically downwards in the middle of the filter housing. Therefore, the sludge is conveniently added from the middle part of the filter cover and is mixed with the flocculant solution around the filter cover.
In this embodiment, a circle of rotatable rotating blades 16 is arranged inside the filter housing along the inner wall, and the outlet of the sludge outlet pipe 2 is arranged obliquely downwards and positively to the rotating blades.
Therefore, after the hydrous sludge put into the outlet of the sludge outlet pipeline impacts the rotating blades, the rotating blades can be driven to rotate, so that stirring is better realized, and the flocculating agent is conveniently and uniformly mixed.
In the embodiment, the rotating blades 16 are installed on an installation ring 17 which is arranged at an interval with the edge of the upper end opening of the filter cover, the installation ring 17 can be rotationally fixed and hung on a bearing 18 above, and the bearing 18 is supported and installed on the adding pipeline 2 or the sludge storage tank body.
Therefore, the rotating shaft center of the rotating blade is obtained by one bearing and is arranged above the tank body, so that the blockage by sludge can be avoided, and the rotating device has the advantages of simple structure and reliable and stable rotation.
In this embodiment, the filter housing is generally cylindrical. The flocculant is more convenient to mix.
Claims (10)
1. A secondary sedimentation tank sludge treatment system comprises a sludge storage tank, wherein the outlet end of a sludge discharge pipeline of the secondary sedimentation tank is communicated with the sludge storage tank, a sludge outlet pipeline is arranged in the sludge storage tank and is communicated with a centrifugal dehydration device, and a sludge pump is arranged on the sludge outlet pipeline; the device is characterized in that the flocculant adding system is also provided with a flocculant adding pipeline of a dewatering device connected to the feed end of the centrifugal dewatering device.
2. The secondary sedimentation tank sludge treatment system according to claim 1, wherein a screw conveyor for mixing is further installed on the sludge outlet pipe at the feed end of the centrifugal dewatering device, and the flocculant addition pipe of the dewatering device is connected to the feed end of the screw conveyor for mixing.
3. The secondary sedimentation tank sludge treatment system of claim 2, wherein the discharge end of the centrifugal dewatering device is further connected with a discharge screw conveyor.
4. The secondary sedimentation tank sludge treatment system of claim 1, wherein the flocculant addition system further comprises a mixing container, a water inlet pipe is connected to a water inlet end of the mixing container, a water outlet end of the mixing container is respectively connected to a flocculant addition pipeline of the sludge storage tank and a flocculant addition pipeline of the dewatering device, and a flocculant raw material addition port is further arranged at the upper end of the mixing container.
5. The secondary sedimentation tank sludge treatment system according to claim 4, wherein a stirring device is installed in the mixing container.
6. The secondary sedimentation tank sludge treatment system of claim 4, wherein a water outlet header pipe provided with a water pump is connected to the water outlet end of the mixing container, and the water outlet header pipe is respectively connected to a flocculant adding pipeline of the sludge storage tank and a flocculant adding pipeline of the dewatering device.
7. The secondary sedimentation tank sludge treatment system of claim 4, wherein the mixing container side wall has a transparent window, and the transparent window is provided with a volume scale mark.
8. The secondary sedimentation tank sludge treatment system of claim 1, wherein a sludge inlet device is arranged in the sludge storage tank, the sludge inlet device comprises a filter cover with an open upper end, and the outlet of the sludge outlet pipe and the outlet of the flocculant adding pipe of the sludge storage tank are both positioned above the filter cover.
9. The secondary sedimentation tank sludge treatment system of claim 8, wherein a ring of annular adding pipeline is fixedly arranged at the edge of the opening at the upper end of the filter mantle, the outlet of the flocculating agent adding pipeline of the sludge storage tank is connected with the adding pipeline, and the adding pipeline is uniformly provided with water outlets pointing to the inside of the filter mantle along the circumferential direction.
10. The secondary sedimentation tank sludge treatment system of claim 9, wherein a ring of rotatable rotary blades is provided inside the filter housing along the inner wall, and the outlet of the sludge outlet pipe is inclined downward and arranged to rotate the rotary blades;
the rotating blades are arranged on a mounting ring which is arranged at intervals with the edge of an opening at the upper end of the filter cover, the mounting ring can be rotationally and fixedly hung on a bearing above the mounting ring, and the bearing is supported and arranged on the adding pipeline or the sludge storage tank body;
the whole filtering cover is in a barrel shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778712.8U CN215195546U (en) | 2021-08-02 | 2021-08-02 | Two heavy pond sludge treatment systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778712.8U CN215195546U (en) | 2021-08-02 | 2021-08-02 | Two heavy pond sludge treatment systems |
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| Publication Number | Publication Date |
|---|---|
| CN215195546U true CN215195546U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121778712.8U Expired - Fee Related CN215195546U (en) | 2021-08-02 | 2021-08-02 | Two heavy pond sludge treatment systems |
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| Country | Link |
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| CN (1) | CN215195546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020332A (en) * | 2023-03-27 | 2023-04-28 | 山东得峰生化科技有限公司 | Sludge organic fertilizer stirring device |
-
2021
- 2021-08-02 CN CN202121778712.8U patent/CN215195546U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020332A (en) * | 2023-03-27 | 2023-04-28 | 山东得峰生化科技有限公司 | Sludge organic fertilizer stirring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211217 |