CN104649560A - Sewage treatment device based on overlapping screw sludge dewatering machine - Google Patents
Sewage treatment device based on overlapping screw sludge dewatering machine Download PDFInfo
- Publication number
- CN104649560A CN104649560A CN201510052727.9A CN201510052727A CN104649560A CN 104649560 A CN104649560 A CN 104649560A CN 201510052727 A CN201510052727 A CN 201510052727A CN 104649560 A CN104649560 A CN 104649560A
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- CN
- China
- Prior art keywords
- settling pond
- level settling
- sludge dewatering
- dewatering machine
- primary clarifier
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/125—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using screw filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
Abstract
The invention belongs to the technical field of water treatment equipment, and particularly relates to a sewage treatment device based on an overlapping screw sludge dewatering machine. The sewage treatment device comprises a primary sedimentation tank, a secondary sedimentation tank, a clean water tank, a sludge pumping pipeline, a centrifugal pump, a water tank, the overlapping screw sludge dewatering machine, a filter and a sludge storage tank, wherein the primary sedimentation tank and the secondary sedimentation tank are adjacently arranged; the clean water tank and the secondary sedimentation tank are adjacently arranged; one end of the sludge pumping pipeline is connected with the bottom of the primary sedimentation tank and the bottom of the secondary sedimentation tank, and the other end of the sludge pumping pipeline is positioned in the water tank; the centrifugal pump is arranged on the sludge pumping pipeline; the bottom of the water tank is connected with the overlapping screw sludge dewatering machine through a pipeline; the filter is arranged at the lower end of the overlapping screw sludge dewatering machine; and the sludge storage tank is arranged below the filter. Compared with the prior art, the sewage treatment device disclosed by the invention is simple in structure and small in occupying area, and can be used for squeezing the water contained in sediments as far as possible, thus saving the water resources; in addition, the sewage treatment device disclosed by the invention has the advantages of short treatment time, high efficiency and no need of frequent cleaning.
Description
Technical field
The invention belongs to technical field of water treatment equipment, particularly a kind of waste disposal plant based on spiral sludge dewatering machine.
Background technology
The device of traditional sewage disposal generally comprises 3-4 settling tank, first be linked into primary clarifier from production plant sewage out, and then through the natural sedimentation of settling tank at different levels, form supernatant liquid and lower sediment, the stillness of night can recycle, and precipitation is then poured out and done offal treatment.This treatment process is simple, but floor space is large, and the natural sedimentation treatment time is long, efficiency is low, also needs frequent cleaning, not only delays production, also needs to expend investment to clear up pond.And the moisture in precipitation can not " be squeezed " out effectively, can cause the waste of water resources.
In view of this, necessaryly provide a kind of waste disposal plant based on spiral sludge dewatering machine, this apparatus structure is simple, floor space is little, and the moisture in precipitation " can be squeezed " out as much as possible, thus can water source be saved, in addition, when adopting this device to carry out the process of sewage, the treatment time is short, efficiency is high, and does not need frequent cleaning.
Summary of the invention
The object of the invention is to: for the deficiencies in the prior art, and a kind of waste disposal plant based on spiral sludge dewatering machine is provided, this apparatus structure is simple, floor space is little, and the moisture in precipitation " can be squeezed " out as much as possible, thus can water source be saved, in addition, when adopting this device to carry out the process of sewage, the treatment time is short, efficiency is high, and does not need frequent cleaning.
To achieve these goals, the present invention adopts following technical scheme:
Based on the waste disposal plant of spiral sludge dewatering machine, comprise primary clarifier, second-level settling pond, clean water basin, extraction mud pipe road, impeller pump, water tank, spiral sludge dewatering machine, strainer and storage mud box, described primary clarifier and described second-level settling pond are disposed adjacent, described clean water basin and described second-level settling pond are disposed adjacent, the one end in described extraction mud pipe road connects the bottom of described primary clarifier and the bottom of described second-level settling pond, the other end in described extraction mud pipe road is positioned at described water tank, described impeller pump is arranged on described extraction mud pipe road, the bottom of described water tank is connected by pipeline with described spiral sludge dewatering machine, described strainer is arranged at the lower end of described spiral sludge dewatering machine, described storage mud box is arranged at the below of described strainer.
One as the waste disposal plant that the present invention is based on spiral sludge dewatering machine is improved, described primary clarifier and described second-level settling pond is one-body molded and the two has common sidewall, and be provided with the first overflow port between described primary clarifier and described second-level settling pond, described first overflow port is arranged at the top of the common sidewall of described primary clarifier and described second-level settling pond.
One as the waste disposal plant that the present invention is based on spiral sludge dewatering machine is improved, and the side of the close described primary clarifier of described first overflow port is provided with the first filtering net.
One as the waste disposal plant that the present invention is based on spiral sludge dewatering machine is improved, described clean water basin and described second-level settling pond is one-body molded and the two has common sidewall, and be provided with the second overflow port between described clean water basin and described second-level settling pond, described second overflow port is arranged at the top of the common sidewall of described clean water basin and described second-level settling pond.
One as the waste disposal plant that the present invention is based on spiral sludge dewatering machine is improved, and the side of the close described second-level settling pond of described second overflow port is provided with the second filtering net.
One as the waste disposal plant that the present invention is based on spiral sludge dewatering machine is improved, the bottom of described primary clarifier is provided with the first ramped shaped projection, described one end of first ramped shaped projection is connected with the sidewall of the side away from described second-level settling pond of described primary clarifier, and the other end of described first ramped shaped projection terminates in the medium position of the bottom of described primary clarifier.
One as the waste disposal plant that the present invention is based on spiral sludge dewatering machine is improved, the bottom of described second-level settling pond is provided with the second ramped shaped projection, described one end of second ramped shaped projection is connected with the sidewall of the side away from described primary clarifier of described second-level settling pond, and the other end of described first ramped shaped projection terminates in the medium position of the bottom of described second-level settling pond.
One as the waste disposal plant that the present invention is based on spiral sludge dewatering machine is improved, and the side in described extraction mud pipe road is connected with the bottom of the second pipe connecting with the bottom of the close described second-level settling pond of described primary clarifier and the close described primary clarifier of described second-level settling pond respectively by the first pipe connecting.
One as the waste disposal plant that the present invention is based on spiral sludge dewatering machine is improved, described device also comprises agitator, described agitator is arranged on described pipeline, and described strainer is set to funnel, and described spiral sludge dewatering machine is connected with described clean water basin by reflux line.
One as the waste disposal plant that the present invention is based on spiral sludge dewatering machine is improved, when using this device to process sewage, first to primary clarifier, flocculation agent is added in second-level settling pond and water tank, then the sewage of stone material production plant is successively after primary clarifier and second-level settling pond, supernatant liquid flows in clean water basin, recycling is produced for processing of stone, mud bottom primary clarifier and second-level settling pond is then centrifuged pump and extracts to water tank, then enter into spiral sludge dewatering machine and carry out processed, filtrate flows back to clean water basin recycling, filter cake then recycles.
Relative to prior art, the present invention is by adding spiral sludge dewatering machine, because spiral sludge dewatering machine organically combines filtering and concentrating and Technology in Pressing, can make to precipitate abundant dehydration, therefore the quantity of settling tank can be reduced, reduce the floor space of whole device, and the treatment time of sewage disposal can be improved, improve processing efficiency, and can make to precipitate abundant dehydration due to spiral sludge dewatering machine, the water deviate from can be back in clean water basin and reuse, thus can save water source.In addition, be evacuated to a water tank step of going forward side by side enter in spiral sludge dewatering machine because the precipitation in primary clarifier and second-level settling pond can be centrifuged pump, therefore do not need often to clear up primary clarifier and second-level settling pond.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention and beneficial effect thereof are described in further detail, but embodiments of the present invention are not limited to this.
As shown in Figure 1, waste disposal plant based on spiral sludge dewatering machine provided by the invention, comprise primary clarifier 1, second-level settling pond 2, clean water basin 3, extraction mud pipe road 4, impeller pump 5, water tank 6, spiral sludge dewatering machine 7, strainer 8 and storage mud box 9, primary clarifier 1 and second-level settling pond 2 are disposed adjacent, clean water basin 3 and second-level settling pond 2 are disposed adjacent, the one end in extraction mud pipe road 4 connects the bottom of primary clarifier 1 and the bottom of second-level settling pond 2, the other end in extraction mud pipe road 3 is positioned at water tank 6, impeller pump 5 is arranged on extraction mud pipe road 3, the bottom of water tank 6 is connected by pipeline 10 with spiral sludge dewatering machine 7, strainer 8 is arranged at the lower end of spiral sludge dewatering machine 7, storage mud box 9 is arranged at the below of strainer 8.
Wherein, spiral sludge dewatering machine 7 is spiral sludge dewatering machine of the prior art, for the ease of understanding, special its principle of work to be presented below: filtration body be generally be made up of multiple rotating ring, stationary ring and screw shaft, filter cylinder is formed by the stacked rotating ring of the mutual changing of the relative positions and stationary ring, different with centrifugal filter type from traditional filter cloth, this filter cylinder reduces because material filtering piles up the blocking brought by the mutual changing of the relative positions of dynamic and static ring, and screw shaft plays propelling and compressive action to mud.Sewage can be divided into three phases according to concrete filtration procedure from entering filter cylinder; Pan feeding section, enriching section, dewatering period, the pitch of screw shaft reduces gradually, the volume of each pitch is reduced, volume pressure increases, sewage obtains pressure filtration, pressure in the generation of dewatering period cooperation back pressure plate is higher, organically combines the technology of filtering and concentrating and squeezing, makes to precipitate abundant dehydration.And the floor space of spiral sludge dewatering machine 7 is little, and noise is little, and power consumption is little.
Primary clarifier 1 and second-level settling pond 2 is one-body molded and the two has common sidewall, and be provided with the top being arranged at the common sidewall of primary clarifier 1 and second-level settling pond 2 of the first overflow port 11, first overflow port 11 between primary clarifier 1 and second-level settling pond 2.The setting clear water be convenient to above primary clarifier 1 of the first overflow port 11 overflows in second-level settling pond 2.
The side of the close primary clarifier 1 of the first overflow port 11 is provided with the first filtering net 12.First filtering net 12 the quantity that can reduce and enter into the solid particulate in second-level settling pond 2 from primary clarifier 1 is set.
Clean water basin 3 and second-level settling pond 2 is one-body molded and the two has common sidewall, and be provided with the second overflow port 21 between clean water basin 3 and second-level settling pond 2, second overflow port 21 is arranged at the top of the common sidewall of clean water basin 3 and second-level settling pond 2, the top being arranged at the common sidewall of primary clarifier 1 and second-level settling pond 2 of the second overflow port 21.The setting clear water be convenient to above primary clarifier 1 of the first overflow port 11 overflows in clean water basin 3.
The side of the close second-level settling pond 2 of the second overflow port 21 is provided with the second filtering net 22, second filtering net 22 the quantity that can greatly reduce and flow into the particle clean water basin 3 from second-level settling pond 2 is set, to ensure that the clear water in clean water basin 3 can be recycled.
The bottom of primary clarifier 1 is provided with the first ramped shaped projection 13, one end of first ramped shaped projection 13 is connected with the sidewall of the side away from second-level settling pond 2 of primary clarifier 1, and the other end of the first ramped shaped projection 13 terminates in the medium position of the bottom of primary clarifier 1.The precipitation that first ramped shaped projection 13 is convenient to the bottom of primary clarifier 1 focuses between the sidewall of the side of the close second-level settling pond 2 of the first ramped shaped projection 13 and primary clarifier 1, thus is convenient to precipitation to be drawn in water tank 6.
The bottom of second-level settling pond 2 is provided with the second ramped shaped projection 23, one end of second ramped shaped projection 23 is connected with the sidewall of the side away from primary clarifier 1 of second-level settling pond 2, and the other end of the second ramped shaped projection 23 terminates in the medium position of the bottom of second-level settling pond 2.The precipitation that second ramped shaped projection 23 is convenient to the bottom of second-level settling pond 2 focuses between the sidewall of the side of the close primary clarifier 1 of the second ramped shaped projection 23 and second-level settling pond 2, thus is convenient to precipitation to be drawn in water tank 6.
The side in extraction mud pipe road 3 is connected with the bottom of the second pipe connecting 32 with the bottom of the close second-level settling pond 2 of primary clarifier 1 and the close primary clarifier 1 of second-level settling pond 2 respectively by the first pipe connecting 31, thus can the precipitation in primary clarifier 1 and second-level settling pond 2 be drawn in water tank 6 simultaneously.
Device also comprises agitator 20, and agitator 20 is arranged on pipeline 10, thus makes the precipitation entering into spiral sludge dewatering machine 7 from water tank 6 evenly moisture, and strainer 8 is set to funnel, and spiral sludge dewatering machine 7 is connected with clean water basin 3 by reflux line 30.。
When using this device to process sewage, comprise the following steps:
The first step, first pre-treatment is carried out to sewage, first to primary clarifier 1, flocculation agent is added in second-level settling pond 2 and water tank 6, then the sewage of stone material production plant successively after the natural sedimentation of primary clarifier 1 and second-level settling pond 2 (in the process, sewage and flocculation agent fully react, produce huge alumen ustum), sewage can reach certain concentration for the treatment of, section top clear liquid flows in clean water basin 3, recycling is produced for processing of stone, the water containing mud bottom primary clarifier 1 and second-level settling pond 2 is then centrifuged pump 5 and extracts to the flocculation agent in water tank 6(water tank 6 and fully can react with sewage, form alumen ustum),
Second step, the water containing mud enters into agitator 20 from water tank 6, and a step of going forward side by side enters into spiral sludge dewatering machine 7 and carries out foregoing processed, and filtrate is flowed back to clean water basin 3 by reflux line 30 and reused, and filter cake then recycles.
Wherein, flocculation agent is concentration is the polyacrylamide of 0.1mol/L-3mol/L and the mixing solutions of polymerize aluminum chloride.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change above-mentioned embodiment and revise.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although employ some specific terms in this specification sheets, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (10)
1. based on the waste disposal plant of spiral sludge dewatering machine, it is characterized in that: comprise primary clarifier, second-level settling pond, clean water basin, extraction mud pipe road, impeller pump, water tank, spiral sludge dewatering machine, strainer and storage mud box, described primary clarifier and described second-level settling pond are disposed adjacent, described clean water basin and described second-level settling pond are disposed adjacent, the one end in described extraction mud pipe road connects the bottom of described primary clarifier and the bottom of described second-level settling pond, the other end in described extraction mud pipe road is positioned at described water tank, described impeller pump is arranged on described extraction mud pipe road, the bottom of described water tank is connected by pipeline with described spiral sludge dewatering machine, described strainer is arranged at the lower end of described spiral sludge dewatering machine, described storage mud box is arranged at the below of described strainer.
2. the waste disposal plant based on spiral sludge dewatering machine according to claim 1, it is characterized in that: described primary clarifier and described second-level settling pond is one-body molded and the two has common sidewall, and be provided with the first overflow port between described primary clarifier and described second-level settling pond, described first overflow port is arranged at the top of the common sidewall of described primary clarifier and described second-level settling pond.
3. the waste disposal plant based on spiral sludge dewatering machine according to claim 2, is characterized in that: the side of the close described primary clarifier of described first overflow port is provided with the first filtering net.
4. the waste disposal plant based on spiral sludge dewatering machine according to claim 1, it is characterized in that: described clean water basin and described second-level settling pond is one-body molded and the two has common sidewall, and be provided with the second overflow port between described clean water basin and described second-level settling pond, described second overflow port is arranged at the top of the common sidewall of described clean water basin and described second-level settling pond.
5. the waste disposal plant based on spiral sludge dewatering machine according to claim 4, is characterized in that: the side of the close described second-level settling pond of described second overflow port is provided with the second filtering net.
6. the waste disposal plant based on spiral sludge dewatering machine according to claim 1, it is characterized in that: the bottom of described primary clarifier is provided with the first ramped shaped projection, described one end of first ramped shaped projection is connected with the sidewall of the side away from described second-level settling pond of described primary clarifier, and the other end of described first ramped shaped projection terminates in the medium position of the bottom of described primary clarifier.
7. the waste disposal plant based on spiral sludge dewatering machine according to claim 6, it is characterized in that: the bottom of described second-level settling pond is provided with the second ramped shaped projection, described one end of second ramped shaped projection is connected with the sidewall of the side away from described primary clarifier of described second-level settling pond, and the other end of described first ramped shaped projection terminates in the medium position of the bottom of described second-level settling pond.
8. the waste disposal plant based on spiral sludge dewatering machine according to claim 7, is characterized in that: the side in described extraction mud pipe road is connected with the bottom of the second pipe connecting with the bottom of the close described second-level settling pond of described primary clarifier and the close described primary clarifier of described second-level settling pond respectively by the first pipe connecting.
9. the waste disposal plant based on spiral sludge dewatering machine according to claim 1, it is characterized in that: described device also comprises agitator, described agitator is arranged on described pipeline, described strainer is set to funnel, and described spiral sludge dewatering machine is connected with described clean water basin by reflux line.
10. the waste disposal plant based on spiral sludge dewatering machine according to claim 1, it is characterized in that: when using this device to process sewage, first to primary clarifier, flocculation agent is added in second-level settling pond and water tank, then the sewage of stone material production plant is successively after primary clarifier and second-level settling pond, supernatant liquid flows in clean water basin, recycling is produced for processing of stone, mud bottom primary clarifier and second-level settling pond is then centrifuged pump and extracts to water tank, then enter into spiral sludge dewatering machine and carry out processed, filtrate flows back to clean water basin recycling, filter cake then recycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052727.9A CN104649560A (en) | 2015-02-02 | 2015-02-02 | Sewage treatment device based on overlapping screw sludge dewatering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510052727.9A CN104649560A (en) | 2015-02-02 | 2015-02-02 | Sewage treatment device based on overlapping screw sludge dewatering machine |
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| Publication Number | Publication Date |
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| CN104649560A true CN104649560A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510052727.9A Pending CN104649560A (en) | 2015-02-02 | 2015-02-02 | Sewage treatment device based on overlapping screw sludge dewatering machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105641985A (en) * | 2016-03-17 | 2016-06-08 | 昌邑海洋水业有限公司 | Failure-free overhead type sludge lifting reflux system |
| CN107416957A (en) * | 2017-09-26 | 2017-12-01 | 贵州天韵石尚有限公司 | Water circulation system in processing of stone |
| CN110436589A (en) * | 2018-12-26 | 2019-11-12 | 环能科技股份有限公司 | A kind of super magnetic wastewater treatment vehicle of movable type and sewage disposal system |
-
2015
- 2015-02-02 CN CN201510052727.9A patent/CN104649560A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105641985A (en) * | 2016-03-17 | 2016-06-08 | 昌邑海洋水业有限公司 | Failure-free overhead type sludge lifting reflux system |
| CN107416957A (en) * | 2017-09-26 | 2017-12-01 | 贵州天韵石尚有限公司 | Water circulation system in processing of stone |
| CN110436589A (en) * | 2018-12-26 | 2019-11-12 | 环能科技股份有限公司 | A kind of super magnetic wastewater treatment vehicle of movable type and sewage disposal system |
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Application publication date: 20150527 |
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