CN208857023U - Papermaking wastewater pretreatment system - Google Patents
Papermaking wastewater pretreatment system Download PDFInfo
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- CN208857023U CN208857023U CN201821256120.8U CN201821256120U CN208857023U CN 208857023 U CN208857023 U CN 208857023U CN 201821256120 U CN201821256120 U CN 201821256120U CN 208857023 U CN208857023 U CN 208857023U
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Abstract
The utility model relates to a kind of papermaking wastewater pretreatment systems, belong to technical field of sewage, including collecting tank, self priming pump, roto-clone separator, self priming pump is connect with collecting tank and roto-clone separator by pipeline and is communicated, roto-clone separator is connected with dashpot by pipeline, dashpot is connected with the second sewage pump and disk filter in turn by pipeline, disk filter is connected with air bearing intake chamber by pipeline, air bearing intake chamber is connected with the first sewage pump by pipeline, the outlet of first sewage pump is connected with flotation tank by pipeline, flotation tank is connected with sludge sump by pipeline, sludge sump is connected with sludge pump by pipeline, sludge pump is connected with gravity bed by pipeline, spiral shingle machine is provided with immediately below gravity bed.The design has recycled a large amount of fibers in sewage by disk filter, and the fiber of recycling is transported in pulping system and is used for papermaking, improves the economic benefit of enterprise；The difficulty and workload of purification plant's processing sewage are alleviated simultaneously.
Description
Technical field
The utility model relates to a kind of papermaking wastewater pretreatment systems, belong to technical field of sewage.
Background technique
In paper making process, a large amount of sewage can be generated, at present conventional process mode of the country paper mill to sewage
It is to be exhausted directly to purification plant's processing, this processing mode causes the fiber in sewage to be largely lost, wastes raw material, while sewage
In silt and particle with sewage fully enter purification plant, increase the difficulty and workload of purification plant's processing sewage.
Utility model content
According to the above-mentioned deficiencies in the prior art, technical problem to be solved by the utility model is: providing a kind of papermaking dirt
Water pretreatment system has recycled the fiber in sewage, has increased productivity effect；The silt and particle in sewage have been filtered,
Alleviate the difficulty and workload of purification plant's processing sewage.
Papermaking wastewater pretreatment system described in the utility model, including the collecting tank for collecting sewage, feature exists
In: the self priming pump for conveying sewage is provided with above collecting tank, the entrance of self priming pump connect phase with collecting tank by pipeline
Logical, the outlet of self priming pump is connected with the roto-clone separator for particulate matter in filter sewage by pipeline, and roto-clone separator goes out
Liquid mouth is connected with dashpot by pipeline, and the outlet of dashpot is connected with the second sewage pump by pipeline, and the second sewage pump goes out
Mouth is connected with the disk filter for collecting fiber by pipeline, and the outfall of disk filter is connected with by pipeline
For collecting the air bearing intake chamber of filtrate, the outlet of air bearing intake chamber is connected with the first sewage pump, the first sewage pump by pipeline
Outlet the flotation tank for removing suspended matter in sewage is connected with by pipeline, the sludge outlet of flotation tank passes through pipeline company
It is connected to the sludge sump for collecting sludge, the outlet of sludge sump is connected with sludge pump by pipeline, and the outlet of sludge pump passes through pipe
Line is connected with the gravity bed for sludge dewatering, and the outfall of gravity bed is connected on air bearing intake chamber by pipeline,
The spiral shingle machine for sludge dewatering is provided with immediately below gravity bed mudhole.
It is 10 meters of high positions that the further preferred roto-clone separator, disk filter and gravity bed, which are located at vertical height,
It is at 5.5 meters of high positions that place, flotation tank and spiral shingle machine, which are located at vertical height,.
There are three disk filters parallel with one another for installation on the further preferred second sewage pump outlet line.
There are two flotation tanks parallel with one another for installation on the further preferred first sewage pump outlet line.
The fiber outlet of the further preferred disk filter is connected with slurrying pipeline.
The outfall of the further preferred flotation tank is connected with clean and dirt water discharge pipe.
Compared with prior art, the utility model has the following beneficial effects:
By papermaking wastewater pretreatment system described in the utility model, recycled by disk filter big in sewage
Fiber is measured, and the fiber of recycling is transported in pulping system and is used for papermaking, improves the economic benefit of enterprise；Pass through vortex point
First solid particle big in sewage is separated from device, dirty tiny particle in water is flocculated and is concentrated using flotation tank,
And it will be discharged into sewage purification plant after the molecule filtering in sewage, to alleviate the difficulty and work of purification plant's processing sewage
It measures.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1, collecting tank 2, self priming pump 3, roto-clone separator 4, slurrying pipeline 5, disk filter 6, gravity bed
7, flotation tank 8, sludge pump 9, sludge sump 10, clean and dirt water discharge pipe 11, the first sewage pump 12, spiral shingle machine 13,
Air bearing intake chamber 14, the second sewage pump 15, dashpot
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
Below by way of specific embodiment, the utility model is described in further detail, but not to limit the utility model, all
Within the spirit of the present invention and principle, it is practical new to should be included in this for any modification, equivalent replacement, improvement and so on
Within the protection scope of type.
Embodiment
As shown in Figure 1, the papermaking wastewater pretreatment system, including the collecting tank 1 for collecting sewage, collecting tank 1
Top is provided with the self priming pump 2 for conveying sewage, and the entrance of self priming pump 2, which is connect by pipeline with collecting tank 1, to be communicated, self priming pump
2 outlet is connected with the roto-clone separator 3 for particulate matter in filter sewage by pipeline, and the liquid outlet of roto-clone separator 3 is logical
It crosses pipeline and is connected with dashpot 15, the outlet of dashpot 15 is connected with the second sewage pump 14 by pipeline, the second sewage pump 14
Outlet is connected with the disk filter 5 for collecting fiber by pipeline, and the outfall of disk filter 5 is connected by pipeline
It is connected to the air bearing intake chamber 13 for collecting filtrate, the outlet of air bearing intake chamber 13 is connected with the first sewage pump 11 by pipeline,
The outlet of first sewage pump 11 is connected with the flotation tank 7 for removing suspended matter in sewage, the sludge of flotation tank 7 by pipeline
Outlet is connected with the sludge sump 9 for collecting sludge by pipeline, and the outlet of sludge sump 9 is connected with sludge pump 8 by pipeline,
The outlet of sludge pump 8 is connected with the gravity bed 6 for sludge dewatering by pipeline, and the outfall of gravity bed 6 passes through pipeline
It is connected on air bearing intake chamber 13, the spiral shingle machine 12 for sludge dewatering is provided with immediately below 6 mudhole of gravity bed.
It is described in detail below for the main sewage disposal device in above system:
Roto-clone separator 3 is a kind of existing equipment for separating solid particle in liquid, and roto-clone separator includes being vertically arranged
Back taper cylinder, cylinder inboard wall is provided with the helical blade extended downwardly, is provided with and is used at the top center of cylinder
The straight tube of draining.When work, when sewage enters from cylinder tangential direction, under the influence of centrifugal force, the biggish solid of density
Particle flows downward along the helical blade of cylinder inboard wall, is finally discharged from bottom, sewage is then from the outlet overflows at the top of cylinder
It goes out.
Disk filter 5 is a kind of for recycling the existing equipment of fiber in sewage, and disk filter includes horizontally disposed
The hexagonal shell in cross section, the slurry tank for collecting fiber slurry is provided on shell, drive is provided in shell
Moving axis, is coated with several filtering tables on the driving shaft, and corresponding filtering table is provided with fine on filtering table for collecting in shell
One end of the scraper plate of dimension, scraper plate is attached on filtering table, and the other end of scraper plate is connected on slurry tank.At work, sewage from
The bottom of disk filter enters, and the lower half portion of filtering table is immersed in sewage, and filtering table is rotated with drive shaft, constantly will
Fibers adsorption in sewage is on filtering table, and the intracorporal scraper plate of shell scrapes the fiber on filtering table on scraper plate, and along scraper plate
Into slurry tank.
Flotation tank 7 be it is a kind of dirty tiny particle in water is assembled and is adsorbed on the existing equipment on the water surface, flotation tank includes
Circular pond body, pond body top are provided with mud-scraping mechanism, and mud-scraping mechanism is mainly by driving motor, girder, cleaning shoe and deslagging bucket
Composition, driving motor is vertically installed on girder, and the main shaft of driving motor, which is connected with, scrapes mud for collect sewage surface sludge
Plate is provided with deslagging bucket in flotation tank, and the entrance of deslagging bucket is slightly above flotation tank water level line, and the outlet of deslagging bucket is located at air bearing
Outside pond, and be connected on sludge sump by pipeline, the bottom of flotation tank is provided with air-floating apparatus, air-floating apparatus include air floatation machine and
Exhaust line, exhaust line are arranged in the bottom of flotation tank, and the outlet of air floatation machine is connected with exhaust line.When work, according to
The flow of flotation tank entrance is added at sewage inlet for the polyacrylamide that suspension molecule wadding in sewage is poly-, gas
Gas-liquid mixed media is transported on the exhaust line of air bearing bottom of pond portion by floating machine, and the bubble in liquid passes through exhaust line from air bearing
Bottom of pond at the uniform velocity rises, the wadding polymers in bubble meeting absorption effluent in rising, and wadding polymers is taken on the water surface, driving motor band
Dynamic cleaning shoe is rotated around electric machine main shaft, and under the action of cleaning shoe, the wadding polymers on sewage surface promotes deslagging bucket, to arrange
Flotation tank out.
Gravity bed 6 is a kind of existing apparatus of sludge dewatering, and gravity bed includes horizontally disposed bed body, the left side in bed body
Right two sides are respectively arranged with rotating roller, and filter net cloth is set in rotating roller, and collection is provided with immediately below filter net cloth
Slot corresponds to and is provided with lead channel above the rotating roller of left side, is provided with mud discharging hole below corresponding right side rotating roller.Work
When, sludge enters from gravity bed entrance, evenly spreads on filter net cloth, sludge is run to the right with screen cloth, due to gravity
It acts on, the water in sludge sheds into collecting tank from filter net cloth, and the sludge being attached on filter net cloth is transported to right side rotation
When transfer roller, is slid from filter net cloth and fall into mud discharging hole.
Spiral shingle machine 12 is also known as screw extrusion dewaterer, it is a kind of existing equipment for sludge dewatering, and spiral is squeezed
Slag machine includes horizontally disposed cylinder, is coated with taper spindle in cylinder, and helical blade, corresponding cone are equipped on taper spindle
The thicker one end of shape main shaft is provided with driving motor in the end of cylinder, and driving motor is connected by shaft coupling with taper spindle
It connects, the other end of taper spindle is fixed on the other end of cylinder by bearing, and corresponding driving motor is offered in the bottom of cylinder
Relief hole, offers feed inlet above the other end of cylinder, and the bottom of cylinder is provided in the axial direction with for the small of draining
Through-hole, corresponding through-hole are provided with hydrops slot in cylinder body bottom.When work, sludge makes under the action of taper shaft and Reducing screw
Sludge generates the compression in volume, and the moisture in sludge is precipitated from sludge, flows into liquid collecting by the micro-through-hole below cylinder
In slot, and solid material water content under the action of continuous compression is gradually reduced, and is finally discharged from relief hole.
In the present embodiment, it is 10 meters of height that the roto-clone separator 3, disk filter 5 and gravity bed 6, which are located at vertical height,
Position at, flotation tank 7 and spiral shingle machine 12 be located at vertical height for 5.5 meters of high positions at.As shown in Figure 1, the above dress
The setting by different height is set, sewage can be conveyed by way of gravity flow, reduce the quantity pumped in sewage purification process, be saved
About cost, while decreasing occupied area.
There are three disk filters 5 parallel with one another for installation on second sewage pump, 14 outlet line.Pass through three disks
Formula filter 5 uses simultaneously, slows down flowing velocity of the sewage in filter, makes fiber recovery more abundant.
There are two flotation tanks 7 parallel with one another for installation on first sewage pump, 11 outlet line.Pass through two flotation tanks 7
While use, slow down the flooding velocity of sewage in flotation tank, wadding polymers in sewage allowed more fully to be filtered.
The fiber outlet of the disk filter 5 is connected with slurrying pipeline 4.The fiber pulp recycled from disk filter 5
Material can be directly sent into pulping system by pulp line 4, convenient and efficient, be improved work efficiency.
The outfall of the flotation tank 7 is connected with clean and dirt water discharge pipe 10.The sewage overflowed from floating machine 7
Purification plant's processing directly can be transported to by clean and dirt water discharge pipe, it is convenient and efficient.
When work, the sewage that each workshop in paper mill generates flows into collecting tank 1 by trench, and self priming pump 2 will be in collecting tank 1
For sewage transport into roto-clone separator 3, roto-clone separator 3 filters the bulky grain in sewage, and the solid particle filtered out is direct
It is sent into thermal power plant's burning disposal, filtered sewage overflows in dashpot 15 from top exit, and the sewage in dashpot 15 is logical
It crosses the second sewage pump 14 to be transported in disk filter 5, for disk filter 5 by after the fiber filter in sewage, fibre stuff is logical
It crosses slurrying pipeline 4 to be transported in pulping system, filtrate overflow enters air bearing intake chamber 13, and the sewage in air bearing intake chamber 13 passes through
First sewage pump 11 is transported in air floatation machine 7, will pass through clean and dirt water after the suspended particulate substance filtering in sewage by air floatation machine 7
Discharge pipe 10 is discharged to purification plant's processing, and the sludge that air floatation machine 7 filters out flows automatically from top enters sludge sump 9, in sludge sump 9
Sludge is transported in gravity bed 6 by sludge pump 8, and sludge is carried out dehydrating by gravity bed 6, and the water gravity flow of abjection enters air bearing
Intake chamber 13, the sludge filtered out from gravity bed 6 fall into spiral shingle machine 12 by mudhole, spiral shingle machine 12 to sludge into
The dehydration of one step, finally send the sludge of dehydration into thermal power plant's burning disposal.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.This
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states only illustrates the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model
It will also have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.This is practical new
Type is claimed range and is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of papermaking wastewater pretreatment system, including the collecting tank (1) for collecting sewage, it is characterised in that: collecting tank (1)
Top be provided with the self priming pump (2) for conveying sewage, the entrance of self priming pump (2) connect phase with collecting tank (1) by pipeline
Logical, the outlet of self priming pump (2) is connected with the roto-clone separator (3) for particulate matter in filter sewage, vortex separation by pipeline
The liquid outlet of device (3) is connected with dashpot (15) by pipeline, and the outlet of dashpot (15) is connected with the second sewage by pipeline
It pumps (14), the outlet of the second sewage pump (14) is connected with the disk filter (5) for collecting fiber, disc type filtering by pipeline
The outfall of machine (5) is connected with the air bearing intake chamber (13) for collecting filtrate by pipeline, air bearing intake chamber (13)
Outlet is connected with the first sewage pump (11) by pipeline, and the outlet of the first sewage pump (11) is connected with by pipeline for removing dirt
The air floatation machine (7) of suspended matter in water, the sludge outlet of air floatation machine (7) are connected with the sludge sump for collecting sludge by pipeline
(9), the outlet of sludge sump (9) is connected with sludge pump (8) by pipeline, and the outlet of sludge pump (8) is connected with by pipeline to be used for
The outfall of the gravity bed (6) of sludge dewatering, gravity bed (6) is connected on air bearing intake chamber (13) by pipeline, in weight
The spiral shingle machine (12) for sludge dewatering is provided with immediately below power bed (6) mudhole.
2. papermaking wastewater pretreatment system according to claim 1, it is characterised in that: the roto-clone separator (3), disc type
It is air floatation machine (7) and spiral shingle machine (12) position at 10 meters of high positions that filter (5) and gravity bed (6), which are located at vertical height,
At vertical height is 5.5 meters of high position.
3. papermaking wastewater pretreatment system according to claim 2, it is characterised in that: the second sewage pump (14) outlet
There are three disk filters (5) parallel with one another for installation on pipeline.
4. papermaking wastewater pretreatment system according to claim 2, it is characterised in that: the first sewage pump (11) outlet
There are two air floatation machines (7) parallel with one another for installation on pipeline.
5. papermaking wastewater pretreatment system according to claim 1, it is characterised in that: the fibre of the disk filter (5)
Dimension outlet is connected with slurrying pipeline (4).
6. papermaking wastewater pretreatment system according to claim 1, it is characterised in that: the sewage of the air floatation machine (7) is arranged
Outlet is connected with clean and dirt water discharge pipe (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256120.8U CN208857023U (en) | 2018-08-06 | 2018-08-06 | Papermaking wastewater pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821256120.8U CN208857023U (en) | 2018-08-06 | 2018-08-06 | Papermaking wastewater pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208857023U true CN208857023U (en) | 2019-05-14 |
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ID=66413835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821256120.8U Active CN208857023U (en) | 2018-08-06 | 2018-08-06 | Papermaking wastewater pretreatment system |
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| Country | Link |
|---|---|
| CN (1) | CN208857023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112624532A (en) * | 2021-01-21 | 2021-04-09 | 四川环龙生活用品有限公司 | Papermaking wastewater environment-friendly treatment system and treatment method |
-
2018
- 2018-08-06 CN CN201821256120.8U patent/CN208857023U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112624532A (en) * | 2021-01-21 | 2021-04-09 | 四川环龙生活用品有限公司 | Papermaking wastewater environment-friendly treatment system and treatment method |
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