CN211896583U - Sludge dewatering processing system - Google Patents
Sludge dewatering processing system Download PDFInfo
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- CN211896583U CN211896583U CN202020415480.9U CN202020415480U CN211896583U CN 211896583 U CN211896583 U CN 211896583U CN 202020415480 U CN202020415480 U CN 202020415480U CN 211896583 U CN211896583 U CN 211896583U
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Abstract
The utility model belongs to the technical field of environmental engineering, concretely relates to sludge dewatering processing system. The utility model discloses with the effectual combination of multiple sludge treatment means, make mud can obtain effectual dehydration. The utility model discloses the beneficial effect who has is: (1) the method is characterized in that the sludge is subjected to nitrification and denitrification treatment in advance to be subjected to decarburization and denitrification, a mechanical dehydration and heat treatment drying combined technology is adopted in a dehydration process, the water content of the sludge can be greatly reduced and controlled to be about 2-5%, and the energy consumption of heat treatment drying can be greatly reduced by performing mechanical dehydration treatment before heat treatment drying; (2) the waste liquid in the sludge is independently subjected to nitrification and denitrification treatment and membrane treatment purification, so that the waste liquid can be discharged out in a qualified manner; (3) the nitrification and denitrification treatment of the sludge and the waste liquid are independently carried out without mutual influence, and the parameter setting of the nitrification and denitrification treatment is carried out according to respective actual conditions.
Description
Technical Field
The utility model belongs to the technical field of environmental engineering, concretely relates to sludge dewatering processing system.
Background
Sludge refers to precipitates, particles and floating materials generated when wastewater is treated by physical, chemical, physicochemical and biological methods. Sludge generally refers to a thick matter between liquid and solid, which can be pumped, but it is difficult to separate the solid from the liquid by settling. The suspended matter concentration is generally between 1% and 10%, below which it is often referred to as mud. Due to different sources of sludge and different water treatment methods, the produced sludge has different properties, a plurality of types of sludge and complicated classification.
Sludge dewatering is an important link of the whole sludge treatment process, and aims to enrich solids, reduce sludge volume and create conditions for final treatment of sludge. The binding force between the liquid and solid phases of sludge must be overcome in order to separate them, so the main problem encountered in sludge dewatering is the energy problem. Aiming at different forms of the binding force, different external measures can be purposefully adopted to obtain different dehydration effects. The sludge dewatering and drying comprises natural dewatering, mechanical dewatering and heat treatment drying.
At present, mechanical dehydration is mainly used in a sludge dehydration treatment process, the method has low operation energy consumption, but has long filter pressing time, the sludge cannot be deeply dehydrated, the water content of biochemical sludge after filter pressing dehydration is still about 80 percent or even higher, filtrate cannot be well treated in the dehydration treatment, the index is higher, and the environmental pollution is easily caused.
SUMMERY OF THE UTILITY MODEL
According to the not enough of above prior art, the utility model provides a sludge dewatering processing system effectively combines multiple sludge treatment means, makes mud can obtain effectual dehydration to waste liquid in the mud can independent purification treatment, has environmental protection, characteristics that the energy consumption is low.
A sludge dewatering processing system, its characterized in that includes following subassembly:
the water collecting tank is used for containing industrial wastewater or domestic sewage;
the adjusting tank is used for containing bottom sludge in the collecting tank and adding a flocculating agent into the bottom sludge, and a bottom sludge outlet of the collecting tank is communicated with a feeding hole of the adjusting tank through a conveying pump;
the nitrification and denitrification tank A is used for carrying out nitrification and denitrification treatment on the lower layer sludge in the regulating tank, and a lower layer sludge discharge hole of the regulating tank is communicated with a feed inlet of the nitrification and denitrification tank A through a delivery pump;
the nitrification and denitrification tank B is used for carrying out nitrification and denitrification treatment on the upper-layer liquid in the regulating tank, and a discharge hole of the upper-layer liquid in the regulating tank is communicated with a feed hole of the nitrification and denitrification tank B through a delivery pump;
the sludge storage tank is used for receiving bottom sludge in the nitrification and denitrification tank A and the nitrification and denitrification tank B, and a lower-layer sludge discharge port of the nitrification and denitrification tank A and a lower-layer sludge discharge port of the nitrification and denitrification tank B are communicated with a feed port of the sludge storage tank through a conveying pump;
the membrane treatment system is used for carrying out membrane filtration treatment on upper-layer liquid in the nitrification and denitrification tank A and the nitrification and denitrification tank B, and an upper-layer liquid discharge hole of the nitrification and denitrification tank A is communicated with a feed inlet of the membrane treatment system through a upper-layer liquid discharge hole conveying pump of the nitrification and denitrification tank B;
the sludge concentration tank is used for receiving sludge in the sludge storage tank and concentrating the sludge, and a discharge hole of the sludge storage tank is communicated with a feed hole of the sludge concentration tank through a delivery pump;
the sludge dewatering machine is used for dewatering the sludge after concentration treatment in the sludge concentration tank, and the discharge hole of the sludge concentration tank is communicated with the feed inlet of the sludge dewatering machine through a delivery pump;
the sludge drier is used for drying the sludge dehydrated in the sludge dehydrator, and a discharge port of the sludge dehydrator is communicated with a feed port of the sludge drier through a delivery pump.
Wherein, the preferred scheme is as follows:
the membrane treatment system is one or more of ultrafiltration membrane water treatment equipment, nanofiltration membrane water treatment equipment and reverse osmosis water treatment equipment which are used in a combined mode.
The sludge dewatering machine is a rotary extrusion dewatering machine.
The sludge concentration tank is a continuous gravity concentration tank.
And a filtrate outlet of the sludge concentration tank is communicated with a feed inlet of the regulating tank through a delivery pump.
And a filtrate outlet of the sludge dewatering machine is communicated with a feed inlet of the regulating tank through a delivery pump.
And a filtrate outlet of the sludge drier is communicated with a feed inlet of the regulating tank through a delivery pump.
It is worth noting that the water collecting tank, the adjusting tank, the nitrification and denitrification tank A, the nitrification and denitrification tank B, the sludge storage tank, the membrane treatment system, the sludge concentration tank, the sludge dewatering machine and the sludge drying machine which are mentioned in the patent all adopt conventional technical products, structural innovation of the devices is not involved, and the innovation point of the patent lies in that the devices are reasonably combined together to play a synergistic effect.
The utility model discloses the beneficial effect who has is: (1) the method is characterized in that the sludge is subjected to nitrification and denitrification treatment in advance to be subjected to decarburization and denitrification, a mechanical dehydration and heat treatment drying combined technology is adopted in a dehydration process, the water content of the sludge can be greatly reduced and controlled to be about 2-5%, and the energy consumption of heat treatment drying can be greatly reduced by performing mechanical dehydration treatment before heat treatment drying; (2) the waste liquid in the sludge is independently subjected to nitrification and denitrification treatment and membrane treatment purification, so that the waste liquid can be discharged out in a qualified manner; (3) the nitrification and denitrification treatment of the sludge and the waste liquid are independently carried out without mutual influence, and the parameter setting of the nitrification and denitrification treatment is carried out according to respective actual conditions.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a working principle diagram of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and corresponding load-bearing checking calculation is performed, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1, a sludge dewatering treatment system comprises the following components:
the water collecting tank is used for containing industrial wastewater or domestic sewage;
the adjusting tank is used for containing bottom sludge in the collecting tank and adding a flocculating agent into the bottom sludge, and a bottom sludge outlet of the collecting tank is communicated with a feeding hole of the adjusting tank through a conveying pump;
the nitrification and denitrification tank A is used for carrying out nitrification and denitrification treatment on the lower layer sludge in the regulating tank, and a lower layer sludge discharge hole of the regulating tank is communicated with a feed inlet of the nitrification and denitrification tank A through a delivery pump;
the nitrification and denitrification tank B is used for carrying out nitrification and denitrification treatment on the upper-layer liquid in the regulating tank, and a discharge hole of the upper-layer liquid in the regulating tank is communicated with a feed hole of the nitrification and denitrification tank B through a delivery pump;
the sludge storage tank is used for receiving bottom sludge in the nitrification and denitrification tank A and the nitrification and denitrification tank B, and a lower-layer sludge discharge port of the nitrification and denitrification tank A and a lower-layer sludge discharge port of the nitrification and denitrification tank B are communicated with a feed port of the sludge storage tank through a conveying pump;
the membrane treatment system is used for carrying out membrane filtration treatment on upper-layer liquid in the nitrification and denitrification tank A and the nitrification and denitrification tank B, and an upper-layer liquid discharge hole of the nitrification and denitrification tank A is communicated with a feed inlet of the membrane treatment system through a upper-layer liquid discharge hole conveying pump of the nitrification and denitrification tank B;
the sludge concentration tank is used for receiving sludge in the sludge storage tank and concentrating the sludge, a discharge port of the sludge storage tank is communicated with a feed port of the sludge concentration tank through a delivery pump, and a filtrate outlet of the sludge concentration tank is communicated with a feed port of the adjusting tank through the delivery pump;
the sludge dewatering machine is used for dewatering the sludge after concentration treatment in the sludge concentration tank, a discharge hole of the sludge concentration tank is communicated with a feed hole of the sludge dewatering machine through a delivery pump, and a filtrate outlet of the sludge dewatering machine is communicated with a feed hole of the adjusting tank through the delivery pump;
the sludge drying machine is used for drying the sludge in the sludge dewatering machine after dehydration treatment, the discharge port of the sludge dewatering machine is communicated with the feed port of the sludge drying machine through a delivery pump, and the filtrate outlet of the sludge drying machine is communicated with the feed port of the regulating tank through the delivery pump.
The membrane treatment system is used by combining nanofiltration membrane water treatment equipment and reverse osmosis water treatment equipment.
The sludge dewatering machine is a rotary extrusion dewatering machine.
The sludge concentration tank is a continuous gravity concentration tank.
The above is a detailed introduction of the present invention, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the explanations of the above embodiments are only used to help understand the methods and core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. A sludge dewatering treatment system is characterized by comprising the following components:
the water collecting tank is used for containing industrial wastewater or domestic sewage;
the adjusting tank is used for containing bottom sludge in the collecting tank and adding a flocculating agent into the bottom sludge, and a bottom sludge outlet of the collecting tank is communicated with a feeding hole of the adjusting tank through a conveying pump;
the nitrification and denitrification tank A is used for carrying out nitrification and denitrification treatment on the lower layer sludge in the regulating tank, and a lower layer sludge discharge hole of the regulating tank is communicated with a feed inlet of the nitrification and denitrification tank A through a delivery pump;
the nitrification and denitrification tank B is used for carrying out nitrification and denitrification treatment on the upper-layer liquid in the regulating tank, and a discharge hole of the upper-layer liquid in the regulating tank is communicated with a feed hole of the nitrification and denitrification tank B through a delivery pump;
the sludge storage tank is used for receiving bottom sludge in the nitrification and denitrification tank A and the nitrification and denitrification tank B, and a lower-layer sludge discharge port of the nitrification and denitrification tank A and a lower-layer sludge discharge port of the nitrification and denitrification tank B are communicated with a feed port of the sludge storage tank through a conveying pump;
the membrane treatment system is used for carrying out membrane filtration treatment on upper-layer liquid in the nitrification and denitrification tank A and the nitrification and denitrification tank B, and an upper-layer liquid discharge hole of the nitrification and denitrification tank A is communicated with a feed inlet of the membrane treatment system through a upper-layer liquid discharge hole conveying pump of the nitrification and denitrification tank B;
the sludge concentration tank is used for receiving sludge in the sludge storage tank and concentrating the sludge, and a discharge hole of the sludge storage tank is communicated with a feed hole of the sludge concentration tank through a delivery pump;
the sludge dewatering machine is used for dewatering the sludge after concentration treatment in the sludge concentration tank, and the discharge hole of the sludge concentration tank is communicated with the feed inlet of the sludge dewatering machine through a delivery pump;
the sludge drier is used for drying the sludge dehydrated in the sludge dehydrator, and a discharge port of the sludge dehydrator is communicated with a feed port of the sludge drier through a delivery pump.
2. The sludge dewatering treatment system according to claim 1, wherein: the membrane treatment system is one or more of ultrafiltration membrane water treatment equipment, nanofiltration membrane water treatment equipment and reverse osmosis water treatment equipment which are used in a combined mode.
3. The sludge dewatering treatment system according to claim 1, wherein: the sludge dewatering machine is a rotary extrusion dewatering machine.
4. The sludge dewatering treatment system according to claim 1, wherein: the sludge concentration tank is a continuous gravity concentration tank.
5. The sludge dewatering treatment system according to claim 1 or 4, wherein: and a filtrate outlet of the sludge concentration tank is communicated with a feed inlet of the regulating tank through a delivery pump.
6. A sludge dewatering treatment system according to claim 1 or 3, characterised in that: and a filtrate outlet of the sludge dewatering machine is communicated with a feed inlet of the regulating tank through a delivery pump.
7. The sludge dewatering treatment system according to claim 1, wherein: and a filtrate outlet of the sludge drier is communicated with a feed inlet of the regulating tank through a delivery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415480.9U CN211896583U (en) | 2020-03-27 | 2020-03-27 | Sludge dewatering processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020415480.9U CN211896583U (en) | 2020-03-27 | 2020-03-27 | Sludge dewatering processing system |
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| CN211896583U true CN211896583U (en) | 2020-11-10 |
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| CN202020415480.9U Active CN211896583U (en) | 2020-03-27 | 2020-03-27 | Sludge dewatering processing system |
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