CN205874100U - High -efficient materialization pretreatment systems of viscose staple fibre dimension waste water - Google Patents
High -efficient materialization pretreatment systems of viscose staple fibre dimension waste water Download PDFInfo
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- CN205874100U CN205874100U CN201620725788.7U CN201620725788U CN205874100U CN 205874100 U CN205874100 U CN 205874100U CN 201620725788 U CN201620725788 U CN 201620725788U CN 205874100 U CN205874100 U CN 205874100U
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Abstract
The utility model relates to a high -efficient materialization pretreatment systems of viscose staple fibre dimension waste water, including acid waste water collecting pit, alkaline wastewater collecting pit, just sink pond, acidizing pond, oxidation pond, buffer pool, two sink ponds, outlet water pool, first concentrated pond, the concentrated pond of second, hydroextractor, a fenton reagent medicine system, the 2nd fenton reagent medicine system, lime breast medicine system and PAM medicine system, the utility model discloses optimizing and having improved viscose staple fibre dimension waste water materialization processing workshop section, just the suspended solid of the easy sediment in the waste water can be got rid of in heavy pond, reduces acidizing aeration in -process and appears the volume of viscidity cellulose to this kind of stickum plug the pipe's possibility has been weakened, in coming with partial acid waste water and alkaline wastewater, reach the aeration and blow the purpose of sloughing except that sulphide, the utility model discloses a fenton oxidation has improved entire system's final water COD clearance, both can satisfy the industry park general waste water standard of taking over, can satisfy the requirement that follow -up biochemistry was intake again.
Description
Technical field
This utility model relates to a kind of viscose staple fibre waste water high-efficiency materialized pretreatment system, belongs to sewage disposal technology neck
Territory.
Background technology
Can produce substantial amounts of waste water in the production process of viscose staple fibre, it is dirty that the directly discharge of waste water will result in serious water
The loss waste of dye and a large amount of fibre resources.The waste water of Viscose Fiber Plant is mainly acid waste water and alkaline waste water.Acid waste water
Principal character polluter be sulphuric acid, sodium sulfate, zinc sulfate.The principal character polluter of alkaline waste water be sodium hydroxide,
Sodium sulfide, Organic substance, cellulose etc..Acid waste water and alkaline waste water can not directly neutralize in workshop, otherwise in alkaline waste water
The cellulose that sodium cellulose xanghate chance acid out goes out can block pipeline；The hydrogen sulfide, the Carbon bisulfide that produce during neutralization also will produce tight
Important place environmental pollution.
Domestic general process technique is: after acid waste water and alkaline waste water mixing, sending into Aeration tank, aerator aeration removes
Hydrogen sulfide in anhydrating, Carbon bisulfide, then use lime cream (calcium hydroxide) regulation pH value to about 10 in reaction tank, make zinc
Ion becomes zinc hydroxide precipitation, and sedimentation tank water outlet can enter subsequent biochemical and process workshop section.
But there are the following problems in above-mentioned technological process: substantial amounts of precipitate is until sedimentation tank is just precipitated so that heavy
Having a large amount of sediment to assemble in pond, shallow lake, the precipitate that accumulates over a long period is attached on pool wall be difficult to remove, and not only reduces effective appearance of cell body
Long-pending, and hinder the fluidised form of sedimentation tank, sedimentation tank even can be caused can not to realize its precipitation function.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of viscose staple fibre waste water is high
Effect materialized pretreatment system, it is reasonable in design, and Optimal improvements viscose staple fibre produces waste water physicochemical and processes workshop section, reduces precipitation
There is the probability that dirt is stifled in pond, thus improves the stability of system；Improve the treatment effect in materialized pretreatment stage so that materialization
Stage stable water outlet, and COD is less than 500mg/L, both can meet the waste water adapter standard that industry park is general, and can meet again follow-up life
Change the requirement of water inlet.
The technical scheme provided according to this utility model: viscose staple fibre waste water high-efficiency materialized pretreatment system, its feature
It is: include acid waste water collecting pit, alkaline waste water collecting pit, preliminary sedimentation tank, acidification pool, oxidation pond, Buffer Pool, second pond, go out
Pond, the first concentration basin, the second concentration basin, dewaterer, the first Fenton reagent medicine system, the second Fenton reagent medicine system,
Lime milk dosing system and PAM medicine system；Described acid waste water collecting pit is provided with two outlets；Described alkaline waste water is collected
The outlet in pond is connected with the water inlet of preliminary sedimentation tank by submersible sewage pump and alkaline waste water outlet pipe, and the outlet of described preliminary sedimentation tank leads to
Crossing pipeline to be connected with the water inlet of acidification pool, the outlet of sediment bottom preliminary sedimentation tank is entered by sediment discharge pipe and the first concentration basin
Mouth connects；Described acidification pool is provided with pH value regulation liquid inlet, and the pH value regulation liquid inlet of acidification pool is defeated by the first acid solution
Go out pump and the first acid solution outlet tube is connected with one of them outlet of acid waste water collecting pit；The outlet of described acidification pool leads to
Crossing pipeline to be connected with the water inlet of oxidation pond, oxidation pond is provided with two dosing mouths, one of them dosing mouth and the first Fenton reagent
Medicine system connects, and another dosing mouth and the second Fenton reagent medicine system connect；The outlet of described oxidation pond is by pipe
Road is connected with the water inlet of Buffer Pool, and described Buffer Pool is provided with pH value regulation liquid inlet and dosing mouth, and the pH value of Buffer Pool is adjusted
Joint liquid inlet is by another outlet of the second acid solution rear pump and the second acid solution outlet tube and acid waste water collecting pit even
Connecing, the dosing mouth of Buffer Pool is connected with lime milk dosing system；The outlet of described Buffer Pool is entered by pipeline and second pond
The mouth of a river connects, and the outlet of described second pond is connected with the water inlet of discharge bay by pipeline, the sediment outlet bottom second pond
Connected by the import of sediment discharge pipe and the second concentration basin；Described discharge bay is used for storing pretreated waste water, discharge bay
Outlet be connected to subsequent biochemical processing means or pipe network by emptying pump and delivery pipe；The bottom of described first concentration basin goes out
Mouth concentrates outlet tube by the first concentration rear pump and first and is connected with the import of dewaterer, and the bottom of described second concentration basin goes out
Mouth concentrates outlet tube by the second concentration rear pump and second and is connected with the import of dewaterer, and described dewaterer is provided with dosing mouth,
The dosing mouth of dewaterer and PAM(polyacrylamide) medicine system is connected, and dewaterer mud in waste water after concentrating divides
Separate out.
As further improvement of the utility model, the top of described acidification pool is provided with waste gas outlet, the waste gas of acidification pool
Outlet is connected with waste gas collecting system.
As further improvement of the utility model, the top of described oxidation pond is provided with waste gas outlet, the waste gas of oxidation pond
Outlet is connected with waste gas collecting system.
As further improvement of the utility model, in described oxidation pond and in Buffer Pool, it is provided with agitator.
As further improvement of the utility model, the pond base fabric of described acidification pool has the perforated pipe for aeration.
As further improvement of the utility model, in described Buffer Pool, it is provided with the jet aerator for aeration.
As further improvement of the utility model, described dewaterer is provided with sludge outlet and wastewater outlet, described mud
Outlet connects ton bag, and described wastewater outlet is connected to the recovery port of alkaline waste water collecting pit, alkaline waste water collecting pit by pipeline
Also serve as collecting pit when whole pretreatment system is put clean.
This utility model compared with prior art, has the advantage that
1, the float being prone to precipitation in waste water, SS(float can be the most significantly removed in the application of preliminary sedimentation tank) go
Except rate reaches more than 90%, alkaline waste water is after preliminary sedimentation tank precipitates, and the clearance of COD, up to about 60%, decreases neutralization precipitation
Sediment generation amount, reduce the volume of second pond；
2, the application of preliminary sedimentation tank separates out the amount of viscous fiber element in decreasing acidifying aeration process, thus weakens this kind and glue
Property material blocking pipeline probability；
3, this utility model simply neutralizes alkaline waste water, i.e. with partially acidic waste water (about the 7% of alkaline waste water consumption)
Can reach aeration stripping and go the purpose of sulphide removal, the pH value of waste water also can be made to reach the suitable ph model of Fenton oxidation simultaneously
Enclose, do not carry out because of partially acidic waste water being acidified aeration so that the volume of acidification pool reduces about 25%；
4, this utility model appropriate design Fenton oxidation stage so that the final outflow water COD clearance of whole system carries
High by about 38%, and only acid waste water was carried out Fenton oxidation in the past, cause final outflow water COD clearance only to improve about 8%.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in the figure: the viscose staple fibre waste water high-efficiency materialized pretreatment system in embodiment is mainly collected by acid waste water
Pond 1, alkaline waste water collecting pit 2, preliminary sedimentation tank 3, acidification pool 4, oxidation pond 5, Buffer Pool 6, second pond 7, discharge bay 8, first concentrate
Pond the 9, second concentration basin 10, dewaterer the 11, first Fenton reagent medicine system the 12, second Fenton reagent medicine system 13, Calx
The compositions such as breast medicine system 14 and PAM medicine system 15.
As it is shown in figure 1, the outlet of described alkaline waste water collecting pit 2 by submersible sewage pump 16 and alkaline waste water outlet pipe 17 with
The water inlet of preliminary sedimentation tank 3 connects, and alkaline waste water is pumped in preliminary sedimentation tank 3 by submersible sewage pump 16.
As it is shown in figure 1, the outlet of described preliminary sedimentation tank 3 is connected with the water inlet of acidification pool 4 by pipeline, preliminary sedimentation tank 3 end
The sediment outlet in portion is connected by the import of sediment discharge pipe and the first concentration basin 9, and the water that just settles out gravity flow enters acidification pool 4, just
Bottom heavy pond 3, sediment gravity flow enters the first concentration basin 9.
As it is shown in figure 1, described acidification pool 4 is provided with pH regulator liquid inlet, the pH value regulation liquid inlet of acidification pool 4 passes through
First acid solution rear pump 18 and the first acid solution outlet tube 19 are connected with one of them outlet of acid waste water collecting pit 1, acid
Partially acidic waste water in wastewater collection pond 1 is pumped in acidification pool 4 by the first acid solution rear pump 18.Described acidification pool 4
Top is provided with waste gas outlet, and the waste gas outlet of acidification pool 4 is connected with waste gas collecting system 27.
In the present embodiment, the pond base fabric of described acidification pool 4 has the perforated pipe for being passed through air, is processed by aeration stripping
Producing hydrogen sulfide and Carbon bisulfide waste gas, the waste gas of generation processes through waste gas collecting system 27 collection.
As it is shown in figure 1, the outlet of described acidification pool 4 is connected with the water inlet of oxidation pond 5 by pipeline, oxidation pond 5 sets
Two dosing mouths, one of them dosing mouth and the first Fenton reagent medicine system 12 is had to connect, another dosing mouth and the second sweet smell
Reagent medicine system 13 of pausing connects；Fenton medicament in medicine system pumps in oxidation pond 5 by dosing pump, organic in waste water
Thing realizes degraded under the effect of Fenton reagent.It is provided with agitator in described oxidation pond 5, plays mixing effect by stirring.Institute
The top stating oxidation pond 5 is provided with waste gas outlet, and the waste gas outlet of oxidation pond 5 is connected with waste gas collecting system 27.
As it is shown in figure 1, the outlet of described oxidation pond 5 is connected with the water inlet of Buffer Pool 6 by pipeline, described Buffer Pool
6 are provided with pH value regulation liquid inlet and dosing mouth, and the pH value regulation liquid inlet of Buffer Pool 6 is by the second acid solution rear pump 20 He
Second acid solution outlet tube 21 is connected with another outlet of acid waste water collecting pit 1；Its spent acid in acid waste water collecting pit 1
Property waste water be pumped in Buffer Pool 6 by the second acid solution rear pump 20；The dosing mouth of Buffer Pool 6 is with lime milk dosing system 14 even
Connect.It is provided with agitator in described Buffer Pool 6, plays mixing effect by stirring.It addition, preferably employ in described Buffer Pool 6
Jet aerator.
The Main Function of described Buffer Pool 6 is as follows: will aoxidize water outlet and the mixing of remaining acid waste water, and add in lime cream
With so that zinc ion, iron ion, calcium ion generate precipitation.Because sedimentary generation easily causes the blocking of aeration tube, thus slow
Boring aeration can not be used in rushing pond 6, jet-flow aeration mixing or mechanical agitation can be used.
As it is shown in figure 1, the outlet of described Buffer Pool 6 is connected with the water inlet of second pond 7 by pipeline, described second pond
The outlet of 7 is connected with the water inlet of discharge bay 8 by pipeline, the sediment bottom second pond 7 export by sediment discharge pipe and
The import of the second concentration basin 10 connects；Buffer Pool 6 water outlet gravity flow enters second pond 7 and also precipitates, and the two water gravity flows that settle out enter
Discharge bay 8, the gravity flow of second pond 7 bottom precipitation enters the second concentration basin 10.
As it is shown in figure 1, described discharge bay 8 is used for storing pretreated waste water, the outlet of discharge bay 8 passes through emptying pump
28 and delivery pipe 29 be connected to subsequent biochemical processing means or pipe network 30.
As it is shown in figure 1, the outlet at bottom of described first concentration basin 9 concentrates output by the first concentration rear pump 22 and first
Pipe 23 is connected with the import of dewaterer 11, and the outlet at bottom of the second concentration basin 10 is concentrated by the second concentration rear pump 24 and second
Outlet tube 25 is connected with the import of dewaterer 11, and described dewaterer 11 is provided with dosing mouth, the dosing mouth of dewaterer 11 and PAM dosing
System 15 connects, and dewaterer 11 mud in waste water after concentrating is separated.
As it is shown in figure 1, in the present embodiment, described dewaterer 11 is provided with sludge outlet and wastewater outlet, described sludge outlet
Connecting ton bag 26, the outer process of mud committee after dehydration, described wastewater outlet is connected to returning of alkaline waste water collecting pit 2 by pipeline
Closing up, alkaline waste water collecting pit 2 also serves as collecting pit when whole pretreatment system is put clean, and alkaline waste water collecting pit 2 preferably employs
Underground type designs.
Operation principle of the present utility model is as follows:
Alkaline waste water, acid waste water being collected in respectively in acid waste water collecting pit 1, alkaline waste water collecting pit 2, alkalescence is useless
Containing a large amount of floccules in water, it is easy to precipitation, after preliminary sedimentation tank 3 precipitates, available major part is removed.Alkaline waste water subsequently into
Acidification pool 4, with acid waste water regulation pH value to about 3, because acid waste water pH value is 1 ~ 2, it is 3 that alkaline waste water is adjusted to pH value
Only exhaust partially acidic waste water.The time of staying of acidification pool 4 is about 1.5h, can remove major part hydrogen sulfide and Carbon bisulfide.
Acidification pool 4 water outlet enters into oxidation pond 5, and efficient oxidation occurs under the effect of catalyst and oxidant.Oxidation pond 5 water outlet enters
To Buffer Pool 6, mix with remaining acid waste water in Buffer Pool 6, and by adding lime cream so that useless in Buffer Pool 6
The pH value of water is 9 ~ 10, it is achieved the significantly removal of zinc ion.The waste water generating precipitation enters in second pond 7, and major part is heavy
Shallow lake is deposited in bottom second pond 7, and second pond 7 water outlet can meet COD and be less than 500mg/L, and second pond 7 water outlet is flowed into discharge bay
Storing in 8, discharge bay 8 water outlet requires to enter subsequent biochemical processing means or pipe network 30 according to locality.Sediment in preliminary sedimentation tank 3 and two
Precipitation in heavy pond 7 intermittently pumps into dewaterer 11 respectively after the first concentration basin 9 and the second concentration basin 10 are collected, it is achieved mud
Dehydration, abjection water is then back to alkaline waste water collecting pit 2 and collects.
Claims (8)
1. viscose staple fibre waste water high-efficiency materialized pretreatment system, it is characterised in that: include acid waste water collecting pit (1), alkalescence
Wastewater collection pond (2), preliminary sedimentation tank (3), acidification pool (4), oxidation pond (5), Buffer Pool (6), second pond (7), discharge bay (8),
One concentration basin (9), the second concentration basin (10), dewaterer (11), the first Fenton reagent medicine system (12), the second Fenton reagent add
Medicine system (13), lime milk dosing system (14) and PAM medicine system (15)；Described acid waste water collecting pit (1) is provided with two
Outlet；The outlet of described alkaline waste water collecting pit (2) is heavy with first by submersible sewage pump (16) and alkaline waste water outlet pipe (17)
The water inlet in pond (3) connects, and the outlet of described preliminary sedimentation tank (3) is connected with the water inlet of acidification pool (4) by pipeline, preliminary sedimentation tank
(3) the sediment outlet of bottom is connected by the import of sediment discharge pipe and the first concentration basin (9)；Described acidification pool (4) is provided with pH
Value regulation liquid inlet, the pH value regulation liquid inlet of acidification pool (4) is defeated by the first acid solution rear pump (18) and the first acid solution
Go out pipe (19) to be connected with one of them outlet of acid waste water collecting pit (1)；The outlet of described acidification pool (4) passes through pipeline
Being connected with the water inlet of oxidation pond (5), oxidation pond (5) is provided with two dosing mouths, one of them dosing mouth and the first Fenton reagent
Medicine system (12) connects, and another dosing mouth and the second Fenton reagent medicine system (13) connect；Going out of described oxidation pond (5)
The mouth of a river is connected with the water inlet of Buffer Pool (6) by pipeline, and described Buffer Pool (6) is provided with pH value regulation liquid inlet and dosing
Mouthful, the pH value regulation liquid inlet of Buffer Pool (6) is by the second acid solution rear pump (20) and the second acid solution outlet tube (21) and acid
Property wastewater collection pond (1) another outlet connect, the dosing mouth of Buffer Pool (6) is connected with lime milk dosing system (14)；
The outlet of described Buffer Pool (6) is connected with the water inlet of second pond (7) by pipeline, and the outlet of described second pond (7) leads to
Crossing pipeline to be connected with the water inlet of discharge bay (8), the sediment outlet of second pond (7) bottom is concentrated by sediment discharge pipe and second
The import in pond (10) connects；Described discharge bay (8) is used for storing pretreated waste water, and the outlet of discharge bay (8) is by row
Put pump (28) and delivery pipe (29) is connected to subsequent biochemical processing means or pipe network (30)；The bottom of described first concentration basin (9)
Export and be connected with the import of dewaterer (11) by the first concentration rear pump (22) and the first concentration outlet tube (23), described second
The outlet at bottom of concentration basin (10) concentrates outlet tube (25) and dewaterer (11) by the second concentration rear pump (24) and second
Import connects, and described dewaterer (11) is provided with dosing mouth, and the dosing mouth of dewaterer (11) is connected with PAM medicine system (15), de-
Water machine (11) mud in waste water after concentrating is separated.
2. viscose staple fibre waste water high-efficiency materialized pretreatment system as claimed in claim 1, it is characterised in that: described acidification pool
(4) top is provided with waste gas outlet, and the waste gas outlet of acidification pool (4) is connected with waste gas collecting system (27).
3. viscose staple fibre waste water high-efficiency materialized pretreatment system as claimed in claim 1, it is characterised in that: described oxidation pond
(5) top is provided with waste gas outlet, and the waste gas outlet of oxidation pond (5) is connected with waste gas collecting system (27).
4. viscose staple fibre waste water high-efficiency materialized pretreatment system as claimed in claim 1, it is characterised in that: described oxidation pond
(5) it is provided with agitator in and in Buffer Pool (6).
5. viscose staple fibre waste water high-efficiency materialized pretreatment system as claimed in claim 1, it is characterised in that: described acidification pool
(4) pond base fabric has the perforated pipe for aeration.
6. viscose staple fibre waste water high-efficiency materialized pretreatment system as claimed in claim 1, it is characterised in that: described Buffer Pool
(6) jet aerator for aeration it is provided with in.
7. viscose staple fibre waste water high-efficiency materialized pretreatment system as claimed in claim 1, it is characterised in that: described dewaterer
(11) being provided with sludge outlet and wastewater outlet, described sludge outlet connects ton bag (26), and described wastewater outlet is connected by pipeline
To the recovery port of alkaline waste water collecting pit (2), alkaline waste water collecting pit (2) also serves as collection when whole pretreatment system is put clean
Pond.
8. viscose staple fibre waste water high-efficiency materialized pretreatment system as claimed in claim 1, it is characterised in that: described alkalescence is given up
Water collecting pit (2) uses underground type.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620725788.7U CN205874100U (en) | 2016-07-11 | 2016-07-11 | High -efficient materialization pretreatment systems of viscose staple fibre dimension waste water |
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| CN201620725788.7U CN205874100U (en) | 2016-07-11 | 2016-07-11 | High -efficient materialization pretreatment systems of viscose staple fibre dimension waste water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803387A (en) * | 2017-11-07 | 2018-03-16 | 宜宾丝丽雅股份有限公司 | Viscose waste residue processing system |
-
2016
- 2016-07-11 CN CN201620725788.7U patent/CN205874100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803387A (en) * | 2017-11-07 | 2018-03-16 | 宜宾丝丽雅股份有限公司 | Viscose waste residue processing system |
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