CN210313987U - Deep sludge dewatering system - Google Patents
Deep sludge dewatering system Download PDFInfo
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- CN210313987U CN210313987U CN201921060554.5U CN201921060554U CN210313987U CN 210313987 U CN210313987 U CN 210313987U CN 201921060554 U CN201921060554 U CN 201921060554U CN 210313987 U CN210313987 U CN 210313987U
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Abstract
The utility model discloses a constitute sludge deep dehydration system simple relatively, throw with pump, sludge thickening conditioning jar, agitating unit, sludge conditioner storage fill, carry and throw with device, mud screw pump, membrane pressure filter, drainage groove, clean water tank, squeeze pump, band conveyer, slope band conveyer and mud cake delivery wagon including mud storage pool, flocculating agent dissolving device, flocculating agent. The utility model discloses a sludge concentration takes care of jar and realizes sludge concentration and takes care of the integration of equipment to further utilize diaphragm filter-pressing equipment to realize the deep dehydration of mud, be suitable for the biochemical sludge deep dehydration of sewage treatment plant surplus, compare with existing sludge deep dehydration technique, reduced sludge concentration equipment, reduced system investment and running cost, it is easy and simple to handle, the treatment effeciency is high.
Description
Technical Field
The utility model relates to a sludge treatment technical field especially relates to a sludge deep dehydration system.
Background
With the acceleration of urban processes and the improvement of life quality of various countries in the world, urban sewage treatment is rapidly developed, the amount of urban sludge serving as a sewage treatment byproduct is continuously increased, and the urban sludge yield in China can reach 6000-9000 ten thousand tons in 2020. If the sludge accumulated in large quantity can not be properly treated, secondary pollution is caused to the environment, and the sludge becomes a public nuisance which influences the urban environmental sanitation. The municipal sludge treatment technology is divided into two links of sludge treatment and sludge disposal. The sludge treatment mainly reduces the water content of the sludge and leads toxic and harmful substances in the sludge to be immobilized; the method is mainly used for removing most of water in the sludge to reasonably treat the sludge or realize resource utilization of the sludge, and firstly, the purpose of remarkably reducing the sludge can be realized, the sludge transportation problem can be solved, and the service life of a landfill is greatly prolonged; secondly, the reduction of the water content of the sludge is also the premise of resource utilization of the sludge; the sludge treatment is a subsequent link of the sludge treatment, and has various means such as landfill, incineration, resource utilization and the like, and the deep dehydration of the sludge is a precondition of the sludge treatment.
At present, the sludge deep dehydration process and system generally flocculate sludge with the water content of more than 98%, then concentrate the sludge through a belt filter or a belt filter press, further add water to adjust the water content of the sludge, add inorganic additives such as quick lime, ferric salt or fly ash to condition the sludge, and filter-press the conditioned sludge through a diaphragm plate-and-frame filter press to dehydrate the sludge to the water content of less than 60%. But the sludge concentration process is complex, the investment is relatively large, the absolute dry sludge amount is increased, and the transportation and landfill volumes are increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a sludge deep dehydration system, its simple structure, practicality are strong.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a sludge deep dewatering system comprising: sludge storage tank, flocculating agent dissolving device, flocculating agent throw with pump, sludge concentration conditioning jar, agitating unit, sludge conditioning agent storage fill, carry and throw with feeder apparatus, mud screw pump, diaphragm pressure filter, drainage groove, clean water jar and squeeze pump, wherein:
the outlet of the flocculant dissolving device is communicated with the sludge storage tank through a pipeline by the flocculant feeding pump and extends into the sludge concentration conditioning tank;
the sludge concentration conditioning tank is communicated with the outlet of the sludge conditioner storage hopper through the conveying and adding device;
the stirring device is arranged in the sludge concentration conditioning tank and is used for stirring substances in the sludge concentration conditioning tank;
the outlet of the sludge concentration conditioning tank is communicated with the membrane filter press through a pipeline by the sludge screw pump;
the membrane water inlet of the membrane filter press is communicated with the water outlet of the clean water tank through a pipeline by the squeezing pump, and the membrane water outlet of the membrane filter press is communicated with the water inlet of the clean water tank through a pipeline;
and a drainage groove is arranged below the membrane filter press.
Preferably, the filter press further comprises a conveyor and a mud cake conveying vehicle, wherein the conveyor is positioned below the membrane filter press and is used for conveying the mud cake pressed by the membrane filter press to the mud cake conveying vehicle; the mud cake conveying vehicle is used for conveying the mud cakes.
Preferably, the conveyor comprises a belt conveyor and an inclined belt conveyor, and the belt conveyor is positioned below the membrane filter press and is used for conveying the mud cake pressed by the membrane filter press to the inclined belt conveyor; the lower end of the horizontal position of the inclined belt conveyor is positioned below the belt conveyor, and the height of the higher end of the horizontal position of the inclined belt conveyor is matched with the height of the hopper of the mud cake conveying vehicle.
Preferably, the outlet of the flocculant dissolving device is communicated with the sludge storage tank through a pipeline through the flocculant feeding pump and extends to the middle lower position of the side edge in the sludge concentration conditioning tank.
Preferably, the upper end of the sludge concentration conditioning tank is provided with a supernatant outlet.
Preferably, the upper end of the sludge concentration conditioning tank is a cylinder, the lower end of the sludge concentration conditioning tank is a cone, and the tail end of the cone is an outlet of the sludge concentration conditioning tank.
Preferably, the upper end of the sludge conditioner storage hopper is a cylinder, the lower end of the sludge conditioner storage hopper is a cone, and the tail end of the cone is an outlet of the sludge conditioner storage hopper.
Preferably, the conveying and adding device is a screw conveyer.
Based on the technical scheme, the beneficial effects of the utility model are that: the utility model discloses be suitable for the biochemical sludge deep dehydration of sewage treatment plant surplus, compare with existing sludge deep dehydration technique, realized sludge concentration and the integration of taking care of the device, reduced sludge concentration equipment, reduced system investment and running cost, it is easy and simple to handle, the treatment effeciency is high.
Drawings
FIG. 1: the structure schematic diagram of the sludge deep dehydration system of the utility model;
wherein: 1. a flocculant dissolving device; 2. a flocculating agent adding pump; 3. a sludge concentration conditioning tank; 4. a stirring device; 5. a sludge conditioner storage hopper; 6. a conveying and feeding device; 7. a sludge screw pump; 8. a membrane filter press; 9. a drainage groove; 10. a clean water tank; 11. a squeeze pump; 12. a belt conveyor; 13. an inclined belt conveyor; 14. mud cake delivery wagon.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
A sludge deep dewatering system comprising: sludge storage tank, flocculating agent dissolving device 1, flocculating agent throw with pump 2, sludge concentration and regulate jar 3, agitating unit 4, sludge conditioner storage fill 5, carry throw with feeder 6, sludge screw pump 7, membrane filter press 8, drainage groove 9, clean water jar 10 and squeeze pump 11, wherein:
the outlet of the flocculant dissolving device 1 is communicated with the sludge storage tank through a pipeline by the flocculant feeding pump 2 and extends into the sludge concentration conditioning tank 3;
the sludge concentration conditioning tank 3 and the outlet of the sludge conditioner storage hopper 5 are fed through the conveying device
The adding device 6 is communicated;
the stirring device 4 is arranged in the sludge concentration conditioning tank 3, and the stirring device 4 is used for stirring substances in the sludge concentration conditioning tank 3;
the outlet of the sludge concentration conditioning tank 3 is communicated with the membrane filter press 8 through a pipeline by the sludge screw pump 7;
the water inlet of the membrane filter press 8 is communicated with the water outlet of the clean water tank 10 through a pipeline by the squeeze pump 11, and the water outlet of the membrane filter press 8 is communicated with the water inlet of the clean water tank 10 through a pipeline;
and a drainage groove 9 is arranged below the membrane filter press 8.
Further, the device also comprises a conveyor and a mud cake transport vehicle 14, wherein the conveyor is positioned below the membrane filter press 8 and is used for transporting the mud cakes squeezed by the membrane filter press 8 to the mud cake transport vehicle 14; the mud cake transport vehicle 14 is used for transporting the mud cake.
Further, the conveyor comprises a belt conveyor 12 and an inclined belt conveyor 13, wherein the belt conveyor 12 is positioned below the membrane filter press 8 and is used for conveying the mud cake pressed by the membrane filter press 8 to the inclined belt conveyor 13; the lower end of the horizontal position of the inclined belt conveyor 13 is positioned below the belt conveyor 12, and the higher end of the horizontal position of the inclined belt conveyor 13 is matched with the hopper of the mud cake conveying vehicle 14 in height.
Further, the outlet of the flocculant dissolving device 1 is communicated with the sludge storage tank through a pipeline by the flocculant feeding pump 2 and extends to the middle lower part of the side edge in the sludge concentration conditioning tank 3.
Further, the upper end of the sludge concentration conditioning tank 3 is provided with a supernatant outlet.
Further, the upper end of the sludge concentration conditioning tank 3 is a cylinder, the lower end of the sludge concentration conditioning tank 3 is a cone, and the tail end of the cone is an outlet of the sludge concentration conditioning tank 3.
Further, the upper end of the sludge conditioner storage hopper 5 is a cylinder, the lower end of the sludge conditioner storage hopper 5 is a cone, and the tail end of the cone is an outlet of the sludge conditioner storage hopper 5.
Further, the conveying and feeding device 6 is a screw conveyer.
The utility model relates to a sludge deep dehydration system's working process does:
the flocculant is dissolved in a flocculant dissolving device 1, sludge is pumped out of a sludge storage pool, and a flocculant solution is added into a sludge inlet pipe through a flocculant adding 2 adding pipeline. The sludge and the flocculating agent solution are mixed in the pipeline and enter the middle lower part of the side edge of the sludge concentration conditioning tank 3 after flocculation reaction, precipitation concentration is carried out in the sludge concentration conditioning tank 3, and supernatant generated in the precipitation process flows out from a supernatant outlet above the side edge of the sludge concentration conditioning tank 3 and flows back to the sewage treatment system. And when the sludge surface in the sludge concentration conditioning tank is close to the supernatant outlet, stopping the concentration operation. And opening the conveying and adding device, adding a certain amount of the conditioner in the sludge conditioner storage hopper 5 into the sludge concentration conditioning tank 3, and simultaneously opening a stirring device matched with the sludge concentration conditioning tank 3. After the concentrated sludge is conditioned for a certain time, a sludge screw pump 7 is started, the conditioned sludge is pumped into a membrane filter press 8, and the filter pressing operation is started; the first stage of filter pressing is a process of sludge feeding by the sludge screw pump 7 and filter pressing dehydration of sludge by using the pressure of the sludge screw pump 7, and when the pressure in the membrane filter press 8 reaches the set working filter pressing pressure of the sludge screw pump 7, the sludge screw pump 7 is closed; the second stage of the filter pressing is that the water in the clean water tank is pressed into the diaphragm of the diaphragm filter press 8 by using the squeeze pump 11, the sludge in the diaphragm filter press 8 is further squeezed by using the set water pressure, and the water in the diaphragm after the squeezing flows back into the clean water tank. The filtrate pressed and filtered out in the membrane filter press 8 in the two stages enters the pipeline through the drainage groove 9 and flows back to the sewage treatment system. After the secondary pressing is carried out for a certain time, the pressing pump 11 is closed, the membrane filter press 8 is opened, and the mud cake discharging operation is carried out. The falling mudcake is conveyed by a belt conveyor 12 and an inclined belt conveyor 13 onto a mudcake transport cart 14. During the operation of secondary sludge squeezing and sludge discharging, the sludge concentration operation can be started to realize continuous operation.
The above is only the preferred embodiment of the sludge deep dehydration system disclosed by the present invention, not therefore limiting the patent scope of the present invention, all the applications of the equivalent structure or equivalent flow transformation made by the contents of the specification of the present invention, or the direct or indirect application in other related technical fields, all the same principles are included in the patent protection scope of the present invention.
Claims (8)
1. A sludge deep dehydration system is characterized by comprising: sludge storage tank, flocculating agent dissolving device, flocculating agent throw with pump, sludge concentration conditioning jar, agitating unit, sludge conditioning agent storage fill, carry and throw with feeder apparatus, mud screw pump, diaphragm pressure filter, drainage groove, clean water jar and squeeze pump, wherein:
the outlet of the flocculant dissolving device is communicated with the sludge storage tank through a pipeline by the flocculant feeding pump and extends into the sludge concentration conditioning tank;
the sludge concentration conditioning tank is communicated with the outlet of the sludge conditioner storage hopper through the conveying and adding device;
the stirring device is arranged in the sludge concentration conditioning tank and is used for stirring substances in the sludge concentration conditioning tank;
the outlet of the sludge concentration conditioning tank is communicated with the membrane filter press through a pipeline by the sludge screw pump;
the membrane water inlet of the membrane filter press is communicated with the water outlet of the clean water tank through a pipeline by the squeezing pump, and the membrane water outlet of the membrane filter press is communicated with the water inlet of the clean water tank through a pipeline;
and a drainage groove is arranged below the membrane filter press.
2. The deep sludge dewatering system of claim 1, further comprising a conveyor and a cake transfer car, wherein the conveyor is located below the membrane filter press and is used for transferring the cake pressed by the membrane filter press to the cake transfer car; the mud cake conveying vehicle is used for conveying the mud cakes.
3. The deep sludge dewatering system of claim 2, wherein the conveyor comprises a belt conveyor and an inclined belt conveyor, the belt conveyor is positioned below the membrane filter press and is used for conveying the mud cake pressed by the membrane filter press to the inclined belt conveyor; the lower end of the horizontal position of the inclined belt conveyor is positioned below the belt conveyor, and the height of the higher end of the horizontal position of the inclined belt conveyor is matched with the height of the hopper of the mud cake conveying vehicle.
4. The deep sludge dewatering system of claim 1, wherein the outlet of the flocculant dissolving device is connected to the sludge storage tank through a pipeline via the flocculant feeding pump and extends to the lower middle position of the side edge in the sludge concentration conditioning tank.
5. The deep sludge dewatering system of claim 1, wherein the sludge concentration conditioning tank is provided with a supernatant outlet at the upper end.
6. The deep sludge dewatering system of claim 1, wherein the upper end of the sludge concentration conditioning tank is a cylinder, the lower end of the sludge concentration conditioning tank is a cone, and the end of the cone is an outlet of the sludge concentration conditioning tank.
7. The deep sludge dewatering system of claim 1, wherein the upper end of the sludge conditioner storage hopper is a cylinder, the lower end of the sludge conditioner storage hopper is a cone, and the end of the cone is an outlet of the sludge conditioner storage hopper.
8. The deep sludge dewatering system of claim 1, wherein the conveying and adding device is a screw conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921060554.5U CN210313987U (en) | 2019-07-08 | 2019-07-08 | Deep sludge dewatering system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921060554.5U CN210313987U (en) | 2019-07-08 | 2019-07-08 | Deep sludge dewatering system |
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| CN210313987U true CN210313987U (en) | 2020-04-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045179A (en) * | 2021-03-24 | 2021-06-29 | 福建狮威水利工程有限公司 | Deep dehydration method for sludge in sewage plant |
| CN113082846A (en) * | 2021-03-26 | 2021-07-09 | 路德环境科技股份有限公司 | Impurity-removing and purifying process and purifying device for alkaline residue of ammonia-soda plant |
| CN113582504A (en) * | 2021-07-29 | 2021-11-02 | 海南天鸿市政设计股份有限公司 | Simple and easy high-efficient sludge thickening dehydration all-in-one |
| CN115159805A (en) * | 2022-07-05 | 2022-10-11 | 安徽科清水环境技术有限公司 | Integrated high-pressure sludge dewatering system |
-
2019
- 2019-07-08 CN CN201921060554.5U patent/CN210313987U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045179A (en) * | 2021-03-24 | 2021-06-29 | 福建狮威水利工程有限公司 | Deep dehydration method for sludge in sewage plant |
| CN113082846A (en) * | 2021-03-26 | 2021-07-09 | 路德环境科技股份有限公司 | Impurity-removing and purifying process and purifying device for alkaline residue of ammonia-soda plant |
| CN113582504A (en) * | 2021-07-29 | 2021-11-02 | 海南天鸿市政设计股份有限公司 | Simple and easy high-efficient sludge thickening dehydration all-in-one |
| CN115159805A (en) * | 2022-07-05 | 2022-10-11 | 安徽科清水环境技术有限公司 | Integrated high-pressure sludge dewatering system |
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Address after: 614218 No. 25, chejian Road, Jiuli Town, Emeishan City, Leshan City, Sichuan Province (in the new material industrial park) Patentee after: Zhongke Lemei Technology Group Co.,Ltd. Address before: 614218 Youai village, guihuaqiao Town, Emeishan City, Leshan City, Sichuan Province Patentee before: ZHONGKELEMEI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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