CN207159024U - A kind of papermaking sewage treatment system - Google Patents
A kind of papermaking sewage treatment system Download PDFInfo
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- CN207159024U CN207159024U CN201720888262.5U CN201720888262U CN207159024U CN 207159024 U CN207159024 U CN 207159024U CN 201720888262 U CN201720888262 U CN 201720888262U CN 207159024 U CN207159024 U CN 207159024U
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Abstract
A kind of papermaking sewage treatment system is the utility model is related to, it includes primary filter pond, aerating regulation pond, secondary filter pond, coagulation reaction tank, sedimentation basin, cooling tower, pre-acidified pond and the biochemical reaction device being sequentially connected；The primary filter pond is connected with source of sewage, and mechanical grille is provided with above primary filter pond；Secondary filter screen is provided with secondary filter pond, the mesh size of secondary filter screen is less than the mesh size of mechanical grille；Biochemical reaction device includes anaerobic reactor and aerobic reactor, and anaerobic reactor is connected with aerobic reactor by pipeline, and pipeline is provided with valve；Agitator is equipped with aerating regulation pond and coagulation reaction tank；It is respectively equipped with motor and spiral rotating vane in anaerobic reactor and aerobic reactor, the output shaft of rotating vane and motor is linked, and microbial degradation microbial inoculum is coated with rotating vane.The utility model has the advantages that sewage load is big, good sewage processing effect.
Description
Technical field
The utility model belongs to sewage treatment area, more particularly to a kind of papermaking sewage treatment system.
Background technology
Paper industry is raw material using timber, straw, reed, rag etc., and cellulose is isolated through HTHP boiling,
Paper pulp is made.In process of production, the non-cellulose part finally discharged in raw material turns into black liquid.Containing wooden in black liquor
Element, cellulose, VFA etc., there is a stink, and contaminative is very strong.Paper waste is a kind of larger Industry Waste of intractability
Water, typically biological treatment is added polluter therein is degraded by physicochemical treatment method.By waste water institute in itself
It is sufficiently complex containing pollutant, after processing, though water outlet can basically reach discharge standard, with requirement phase of the waste water recycling to water quality
Away from farther out, realize that waste water recycling is handled using handling process such as traditional sand filtration, activated carbon filtering, multi-medium filterings, it is simply certain
Degree reduces water outlet concentration of suspension, and soluble pollutants in sewage such as COD, ammonia nitrogen and salinity etc. can not be removed further,
If reuse, paper effect can be directly influenced.
Paper industry can produce substantial amounts of sewage in paper technology, if not carrying out timely processing to sewage will cause sternly
The problem of environmental pollution of weight.At present, most paper mill is designed with papermaking sewage treatment system, existing papermaking sewage treatment system
Efficiency is relatively low, effect is general so that the paper waste in paper mill turns into one of great water pollution source, it is therefore desirable to which one kind makes
With papermaking sewage treatment system simple, that effect is good, treating capacity is big.
Utility model content
One of the purpose of this utility model is that solve above-mentioned technical problem, there is provided a kind of papermaking sewage treatment system, it is dirty
Water process amount is big, good sewage processing effect.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：A kind of papermaking sewage treatment system,
Including be sequentially connected primary filter pond, aerating regulation pond, secondary filter pond, coagulation reaction tank, sedimentation basin, cooling tower, pre-sour
Change pond and biochemical reaction device；The primary filter pond is connected with source of sewage, and mechanical grille is provided with above primary filter pond；It is primary
The delivery port of filtering ponds is connected with the water inlet in aerating regulation pond, the delivery port in aerating regulation pond and the water inlet in secondary filter pond
Mouth is connected, and secondary filter screen is provided with secondary filter pond, and the mesh size of secondary filter screen is less than the mesh size of mechanical grille；It is secondary
The level delivery port of filtering ponds is connected with the water inlet of coagulation reaction tank, the delivery port of coagulation reaction tank and the water inlet of sedimentation basin
It is connected；The water outlet of sedimentation basin is provided with water pump, and the water side of water pump is connected with the water inlet of cooling tower；Cooling tower goes out
The mouth of a river is connected with the water inlet in pre-acidified pond, and the delivery port in pre-acidified pond is connected with biochemical reaction device；Biochemical reaction fills
Put and be connected including anaerobic reactor and aerobic reactor, anaerobic reactor with aerobic reactor by pipeline, pipeline is provided with
Valve；Agitator is equipped with aerating regulation pond and coagulation reaction tank；Electricity is respectively equipped with anaerobic reactor and aerobic reactor
The output shaft of machine and spiral rotating vane, rotating vane and motor is linked, and microbial degradation bacterium is coated with rotating vane
Agent.
In the utility model, papermaking wastewater is first by the mechanical grille in primary filter pond, by thick floating object in waste water
It is flowed into after removal in aerating regulation pond, waste water flows into or be pumped to secondary filter pond, secondary filter behind aerating regulation pond
Secondary filter screen in pond removes fiber fines in waste water and other suspensions, and the waste water after secondary strainer filtering is anti-in coagulation
Flocculation reaction occurs for Ying Chizhong, suspended particulate substance in adsorption cleaning sewage etc., the water body after adsorption cleaning flow into sedimentation basin with
Accelerate the sedimentation of suspension and pollutant, the supernatant of sedimentation basin is pumped to cooling tower through water outlet and carries out forced cooling.Cooling tower
Water outlet plays stable waste water quality from pre-acidified pond is flow to, and adjusts the effect of fluctuation, while waste water is reacted portion through hydrolysis acidification
Divide organic matter to be converted into volatile fatty acid, be advantageous to the progress of follow-up anaerobic reaction.Furthermore, it is possible to added in pre-acidified pond
Nutritive salt needed for anaerobic reaction, in favor of the more preferable progress of follow-up anaerobic reaction.Water body in pre-acidified pond is pumped to or oneself
It flow to anaerobic reactor and carries out Anaerobic Treatment, then opens the valve between anaerobic reactor and aerobic reactor on pipeline, detest
Water body in oxygen reactor flows into aerobic reactor and carries out aerobic reaction.Spiral is set in anaerobic reactor and aerobic reactor
The effect of the rotating vane of shape is advantageous for microbial degradation bacterium more uniform point in anaerobic reactor and aerobic reactor
Cloth, and then be advantageous to the abundant progress of anaerobic reaction and aerobic reaction, improve wastewater treatment efficiency；Motor and motor are set
The effect that output shaft links with rotating vane is to rotate rotating vane, can play stirring action, be advantageous to sewage and anaerobic bacteria
Or aerobic bacteria is more fully contacted and reacted.
The invention also discloses a kind of method that sewage is handled using above-mentioned papermaking sewage treatment system, specifically include
Following steps：
(1) papermaking wastewater is flowed into aerating regulation pond, waste water is adjusted by aeration by the mechanical grille in primary filter pond
Section flows into or is pumped to secondary filter pond behind pond；
(2) waste water after secondary strainer filtering is pumped to coagulation reaction tank or flow to middle coagulation reaction tank certainly, according to conjunction
Suitable ratio adds flocculant, stirring；
(3) waste water come out from coagulation reaction tank flows into sedimentation basin, and the supernatant of sedimentation basin is pumped to cooling tower through water outlet
Carry out forced cooling；Cooling tower water outlet flow to pre-acidified pond certainly；Pre-acidified pond waste water is pumped to or flow to anaerobic reactor certainly
Row Anaerobic Treatment, then flows into aerobic reactor.
Papermaking wastewater can effectively be purified by sewage disposal system of the present utility model and method, sewage load is big, dirty
Water treatment efficiency is good.
Further, the microbial degradation microbial inoculum coated on the rotating vane in anaerobic reactor is anaerobic bacteria, aerobic anti-
It is aerobic bacteria to answer the microbial degradation microbial inoculum coated on the rotating vane in device.
Further, the papermaking sewage treatment system also includes sludge collecting pit and sludge conditioning pond, sludge collecting pit
Entrance be connected with the sludge outlet of secondary filter pond, sedimentation basin, anaerobic reactor bottom；The sludge pump of sludge collecting pit is extremely
In sludge conditioning pond, plate and frame filter press is pumped to again by the sludge in sludge conditioning pond and carries out dewater treatment, the dry mud after dehydration
Burning disposal.
Further, foul smell caused by pre-acidified pond and anaerobic reactor is collected to exhaust treatment system by air-introduced machine
Reason.
Further, multiple demarcation strips are provided with aerating regulation pond, aerating regulation pond is separated into multiple mutual by demarcation strip
The chamber of connection, is respectively equipped with 3-5 through hole on each demarcation strip, and the through hole on adjacent two demarcation strips is staggered.Or
Person, in adjacent two demarcation strips, the through hole on one of demarcation strip is located at the upper end of demarcation strip, on another demarcation strip
Through hole is located at the lower end of demarcation strip.One or more agitators are respectively equipped with each chamber.If aerating regulation pond is divided into
The effect of dry interconnected chamber is the time for extending sewage in aerating regulation pond, make sewage preferably with air knot
Close.
Further, multiple demarcation strips are provided with coagulation reaction tank, coagulation reaction tank is separated into multiple mutual by demarcation strip
The chamber of connection, is respectively equipped with 3-5 through hole on each demarcation strip, and the through hole on adjacent two demarcation strips is staggered.Or
Person, in adjacent two demarcation strips, the through hole on one of demarcation strip is located at the upper end of demarcation strip, on another demarcation strip
Through hole is located at the lower end of demarcation strip.It is to extend sewage to exist by the effect that coagulation reaction tank is divided into several interconnected chambers
Residence time in coagulation reaction tank, makes sewage preferably be combined with flocculant, and then the suspension preferably in adsorbed water body
Grain thing, reduces COD, ammonia nitrogen and the salinity in water body.
Further, the mesh of the mechanical grille is 50-100 mesh.Preferably 80 mesh.
Further, the secondary filter screen is circular arc filter screen, to increase contact area, accelerates filtering, increases at sewage
Reason amount.As a preferred embodiment, the secondary filter screen is is obliquely installed in secondary filter pond, further to increase contact area,
Accelerate filtering, increase sewage load.
Further, the rotating vane is provided with fold or projection, to increase the bond area of microbial degradation microbial inoculum
And the contact area of microbial degradation microbial inoculum and water body, improve sewage treating efficiency.
Further, the anaerobic reactor is UMAR reactors.
Preferably, the flocculant used in the utility model is prepared by each component of following mass fraction：Nanometer
Diatomite 80-100 parts of level, activated carbon 10-20 parts of 100-150 mesh, calcium lignosulfonate 3-5 parts, ferric chloride in aqueous solution 10-
15 parts, the ferric chloride in aqueous solution is to contain 5-10g iron chloride in 1L water.Above-mentioned each component is weighed according to said ratio, is stirred
It is well mixed, produce flocculant of the present utility model.In flocculant of the present utility model, diatomite, activated carbon, lignin sulfonic acid
Calcium and ferric chloride in aqueous solution are mixed with aforementioned proportion, and the particle for foring different specific surface areas is formed a team, without same specific surface area
The adsorption effect formed a team of particle it is different, the flocculant advantages of good adsorption effect obtained by the utility model, played not year-on-year surface
The synergy that long-pending particle is formed a team, flocculating effect are far longer than the flocculation effect of any any one component of the present utility model
Fruit.
Preferably, the flocculant used in the utility model is prepared by each component of following mass fraction：Nanometer
90 parts of diatomite, 15 parts of 4 parts of 15 parts of activated carbon, calcium lignosulfonate, the ferric chloride in aqueous solution of 120 mesh of level, the iron chloride
The aqueous solution is to contain 8g iron chloride in 1L water.Above-mentioned each component is weighed according to said ratio, is uniformly mixed, produces.
Compared with prior art, the beneficial effects of the utility model are：Pass through sewage disposal system of the present utility model
Papermaking wastewater can be effectively purified with method, sewage load is big, good sewage processing effect.In the utility model, papermaking wastewater is first
The mechanical grille in primary filter pond is first passed through, is flowed into after thick floating object in waste water is removed in aerating regulation pond, waste water warp
Flow into or be pumped to secondary filter pond after crossing aerating regulation pond, the secondary filter screen in secondary filter pond by fiber fines in waste water and
Other suspensions remove, and flocculation reaction, adsorption cleaning sewage occur in coagulation reaction tank for the waste water after secondary strainer filtering
In suspended particulate substance etc., the water body after adsorption cleaning flows into sedimentation basin to accelerate the sedimentation of suspension and pollutant, sedimentation basin
Supernatant through water outlet be pumped to cooling tower carry out forced cooling.Cooling tower water outlet plays stable waste water from pre-acidified pond is flow to
Water quality, the effect of fluctuation is adjusted, while waste water reacts through hydrolysis acidification partial organic substances being converted into volatile fatty acid, favorably
In the progress of follow-up anaerobic reaction.Furthermore, it is possible to the nutritive salt needed for anaerobic reaction is added in pre-acidified pond, in favor of follow-up
The more preferable progress of anaerobic reaction.Water body in pre-acidified pond is pumped to or flow to certainly anaerobic reactor and carries out Anaerobic Treatment, then
Open the valve on pipeline between anaerobic reactor and aerobic reactor, the water body in anaerobic reactor flows into aerobic reactor and entered
Row aerobic reaction.The effect of spiral rotating vane is set to be advantageous for microorganism in anaerobic reactor and aerobic reactor
Degradation bacteria more uniform distribution in anaerobic reactor and aerobic reactor, and then be advantageous to anaerobic reaction and aerobic reaction
Fully carry out, improve wastewater treatment efficiency；It is to make rotation to set the output shaft of motor and motor and the effect of rotating vane linkage
Rotating vane piece rotates, and can play stirring action, be advantageous to sewage and more fully contact and react with anaerobic bacteria or aerobic bacteria.
Brief description of the drawings
Fig. 1 is the connection diagram of papermaking sewage treatment system of the present utility model；
Fig. 2 is the structural representation of mechanical grille of the present utility model；
Fig. 3 is the structural representation of secondary filter screen of the present utility model；
Fig. 4 is the structural representation in the aerating regulation pond of the utility model embodiment 1；
Fig. 5 is the structural representation of the coagulation reaction tank of the utility model embodiment 1；
Fig. 6 is the structural representation of the biochemical reaction device of the utility model embodiment 1；
Fig. 7 is the structural representation in the aerating regulation pond of the utility model embodiment 2；
Fig. 8 is the structural representation of the coagulation reaction tank of the utility model embodiment 2；
Wherein, 1- primary filters pond；2- aerating regulations pond；3- secondary filters pond；4- coagulation reaction tanks；5- sedimentation basins；6-
Cooling tower；7- pre-acidified pond；8- biochemical reaction devices；9- agitators；
11- mechanical grilles；
Demarcation strip in 21- aerating regulations pond；
The through hole on demarcation strip in 211- aerating regulations pond；
31- level filter screen；
Demarcation strip in 41- coagulation reaction tanks；
The through hole on demarcation strip in 411- coagulation reaction tanks；
81- anaerobic reactors；82- aerobic reactors；83- valves；84- motors；85- rotating vanes；
851- folds.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1
As Figure 1-Figure 8, a kind of papermaking sewage treatment system, including be sequentially connected primary filter pond 1, aerating regulation
Pond 2, secondary filter pond 3, coagulation reaction tank 4, sedimentation basin 5, cooling tower 6, pre-acidified pond 7 and biochemical reaction device 8；The primary
Filtering ponds connect with source of sewage, mechanical grille 11 are provided with above primary filter pond, the mesh of the mechanical grille is 80 mesh；It is primary
The delivery port of filtering ponds 1 is connected with the water inlet in aerating regulation pond 2, delivery port and the secondary filter pond 3 in aerating regulation pond 2
Water inlet is connected, and is provided with secondary filter screen 31 in secondary filter pond 3, and the mesh of secondary filter screen 31 is 120 mesh, the secondary filter screen
To be obliquely installed in the circular arc filter screen in secondary filter pond；The delivery port in secondary filter pond 3 and the water inlet of coagulation reaction tank 4
It is connected, the delivery port of coagulation reaction tank 4 is connected with the water inlet of sedimentation basin 5；The water outlet of sedimentation basin 5 is provided with water pump
51, the water side of water pump is connected with the water inlet of cooling tower 6；The delivery port of cooling tower 6 is connected with the water inlet in pre-acidified pond 7
Logical, the delivery port in pre-acidified pond 7 is connected with biochemical reaction device 8；Biochemical reaction device includes anaerobic reactor 81 and aerobic
Reactor 82, anaerobic reactor and aerobic reactor are connected by pipeline, and pipeline is provided with valve 83；Aerating regulation pond and mixed
Agitator 9 is equipped with solidifying reaction tank；Motor 84 and spiral rotation are respectively equipped with anaerobic reactor and aerobic reactor
Blade 85, the output shaft of rotating vane 85 and motor link, and are coated with microbial degradation microbial inoculum on rotating vane, the anaerobism is anti-
It is UMAR reactors to answer device, wherein, the microbial degradation microbial inoculum coated on the rotating vane in anaerobic reactor is anaerobic bacteria, good
The microbial degradation microbial inoculum coated on rotating vane in oxygen reactor is aerobic bacteria；The rotating vane is provided with fold 851.
In the present embodiment, multiple demarcation strips 21 are provided with aerating regulation pond, aerating regulation pond is separated into multiple by demarcation strip
The chamber interconnected, is respectively equipped with 4 through holes 211 on each demarcation strip, the through hole staggered row on adjacent two demarcation strips
Row.By aerating regulation pond be divided into several interconnected chambers effect be extend sewage in aerating regulation pond when
Between, sewage is preferably combined with air.
In addition, also being provided with multiple demarcation strips 41 in the present embodiment, in coagulation reaction tank, demarcation strip 41 divides coagulation reaction tank
Multiple chambers interconnected are divided into, are respectively equipped with 3 through holes 41 on each demarcation strip, the through hole on adjacent two demarcation strips
It is staggered.It is to extend sewage in coagulation reaction tank by the effect that coagulation reaction tank is divided into several interconnected chambers
Residence time, sewage is set preferably to be combined with flocculant, and then the suspended particulate substance preferably in adsorbed water body, reduce water body
In COD, ammonia nitrogen and salinity.
A kind of method that sewage is handled using above-mentioned papermaking sewage treatment system, specifically includes following steps：
(1) papermaking wastewater is flowed into aerating regulation pond, waste water is adjusted by aeration by the mechanical grille in primary filter pond
Section flows into or is pumped to secondary filter pond behind pond；
(2) waste water after secondary strainer filtering is pumped to coagulation reaction tank or flow to middle coagulation reaction tank certainly, according to conjunction
Suitable ratio adds flocculant, stirring；
(3) waste water come out from coagulation reaction tank flows into sedimentation basin, and the supernatant of sedimentation basin is pumped to cooling tower through water outlet
Carry out forced cooling；Cooling tower water outlet flow to pre-acidified pond certainly；Pre-acidified pond waste water is pumped to or flow to certainly UMAR reactors and enters
Row Anaerobic Treatment, then flows into aerobic reactor.
Foul smell caused by pre-acidified pond and UMAR reactors is collected to exhaust treatment system processing by air-introduced machine.
In the utility model, papermaking wastewater is first by the mechanical grille in primary filter pond, by thick floating object in waste water
It is flowed into after removal in aerating regulation pond, waste water flows into or be pumped to secondary filter pond, secondary filter behind aerating regulation pond
Secondary filter screen in pond removes fiber fines in waste water and other suspensions, because secondary filter screen is to be obliquely installed in secondary mistake
Circular arc filter screen in filter tank, it is possible to increase the contact area of filter screen and waste water, accelerate filtering, increase sewage load.Through secondary
Flocculation reaction occurs in coagulation reaction tank for the waste water after strainer filtering, suspended particulate substance in adsorption cleaning sewage etc., absorption
Water body after purification flows into sedimentation basin to accelerate the sedimentation of suspension and pollutant, and the supernatant of sedimentation basin is pumped to cold through water outlet
But tower carries out forced cooling.Cooling tower water outlet plays stable waste water quality from pre-acidified pond is flow to, and adjusts the effect of fluctuation, together
When waste water reacted through hydrolysis acidification partial organic substances be converted into volatile fatty acid, be advantageous to the progress of follow-up anaerobic reaction.
Furthermore, it is possible to the nutritive salt needed for anaerobic reaction is added in pre-acidified pond, in favor of the more preferable progress of follow-up anaerobic reaction.In advance
Water body in acidification pool is pumped to or flow to certainly UMAR reactors and carries out Anaerobic Treatment, then opens anaerobic reactor and aerobic anti-
Answer the valve on pipeline between device, the water body in anaerobic reactor flows into aerobic reactor and carries out aerobic reaction.In anaerobic reaction
Set in device and aerobic reactor spiral rotating vane effect be advantageous for microbial degradation bacterium in anaerobic reactor and
More uniform distribution in aerobic reactor, and then be advantageous to the abundant progress of anaerobic reaction and aerobic reaction, improve sewage
Treatment effect；The effect for setting the output shaft of motor and motor to be linked with rotating vane is to rotate rotating vane, can play and stir
The effect of mixing, be advantageous to sewage and more fully contact and react with anaerobic bacteria or aerobic bacteria.The work of fold is provided with rotating vane
With the bond area and the contact area of microbial degradation microbial inoculum and water body for being increase microbial degradation microbial inoculum, improve at sewage
Manage efficiency.
Papermaking wastewater can effectively be purified by sewage disposal system of the present utility model and method, sewage load is big, dirty
Water treatment efficiency is good.
Flocculant used in the present embodiment is prepared by each component of following mass fraction：Nano level diatomite
80 parts, 15 parts of 3 parts of 15 parts of activated carbon, calcium lignosulfonate, the ferric chloride in aqueous solution of 100 mesh, the ferric chloride in aqueous solution are 1L
Contain 5g iron chloride in water.Above-mentioned each component is weighed according to said ratio, is uniformly mixed, produces.
Embodiment 2
The present embodiment and the distinctive points of embodiment 1 are：
As shown in Figs. 7-8, multiple demarcation strips are provided with the present embodiment, in aerating regulation pond, demarcation strip is by aerating regulation
Pond is separated into multiple chambers interconnected, is respectively equipped with 3 through holes on each demarcation strip, in adjacent two demarcation strips, its
In through hole on a demarcation strip be located at the upper end of demarcation strip, the through hole on another demarcation strip is located at the lower end of demarcation strip.Often
One or more agitators are respectively equipped with individual chamber.Aerating regulation pond is divided into the effect of several interconnected chambers
It is the time for extending sewage in aerating regulation pond, sewage is preferably combined with air.Multiple points are provided with coagulation reaction tank
Coagulation reaction tank is separated into multiple chambers interconnected, 4 through holes is respectively equipped with each demarcation strip by dividing plate, demarcation strip,
In two adjacent demarcation strips, the through hole on one of demarcation strip is located at the upper end of demarcation strip, logical on another demarcation strip
Hole position is in the lower end of demarcation strip.It is to extend sewage mixed by the effect that coagulation reaction tank is divided into several interconnected chambers
Residence time in solidifying reaction tank, makes sewage preferably be combined with flocculant, and then the suspended particulate preferably in adsorbed water body
Thing, reduce COD, ammonia nitrogen and salinity in water body.
In the present embodiment, PAC, PAM progress coagulating are added in coagulation reaction tank.Waste water after coagulation enters just heavy
Pond.
Embodiment 3
The present embodiment and the distinctive points of embodiment 1 are：Flocculant used in the present embodiment is by following mass fraction
Each component be prepared：4 parts of 15 parts of activated carbon, calcium lignosulfonate, the iron chloride of nano level 90 parts of diatomite, 120 mesh
15 parts of the aqueous solution, the ferric chloride in aqueous solution are to contain 8g iron chloride in 1L water.Above-mentioned each component is weighed according to said ratio, is stirred
Mix well mixed, produce.
Embodiment 4
The present embodiment and the distinctive points of embodiment 1 are：Flocculant used in the present embodiment is by following mass fraction
Each component be prepared：5 parts of 15 parts of activated carbon, calcium lignosulfonate, the iron chloride of nano level 100 parts of diatomite, 150 mesh
10 parts of the aqueous solution, the ferric chloride in aqueous solution are to contain 10g iron chloride in 1L water.Above-mentioned each component is weighed according to said ratio,
It is uniformly mixed, produces.
Embodiment 5
The present embodiment and the distinctive points of embodiment 1 are：Flocculant used in the present embodiment is by following mass fraction
Each component be prepared：3 parts of 20 parts of activated carbon, calcium lignosulfonate, the iron chloride of nano level 90 parts of diatomite, 100 mesh
12 parts of the aqueous solution, the ferric chloride in aqueous solution are to contain 8g iron chloride in 1L water.Above-mentioned each component is weighed according to said ratio, is stirred
Mix well mixed, produce.
Embodiment 6
The present embodiment and the distinctive points of embodiment 1 are：Flocculant used in the present embodiment is by following mass fraction
Each component be prepared：4 parts of 10 parts of activated carbon, calcium lignosulfonate, the iron chloride of nano level 90 parts of diatomite, 150 mesh
10 parts of the aqueous solution, the ferric chloride in aqueous solution are to contain 8g iron chloride in 1L water.Above-mentioned each component is weighed according to said ratio, is stirred
Mix well mixed, produce.
In flocculant of the present utility model, diatomite, activated carbon, calcium lignosulfonate and ferric chloride in aqueous solution are with above-mentioned
Ratio mixes, and the particle for foring different specific surface areas forms a team, and the adsorption effect formed a team of particle without same specific surface area is different,
Flocculant advantages of good adsorption effect obtained by the utility model, the synergy that the particle of different specific surface areas is formed a team is played, wadded a quilt with cotton
Solidifying effect is far longer than the flocculating effect of any any one component of the present utility model.
Experimental result
The sewage disposal system of the utility model embodiment 1 see the table below (table to the CODcr and SS of waste water removal effect
1)：
The treatment effect table of table 1
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvement can also be made, these improvement should be regarded as this
The protection domain of utility model.
Claims (10)
- A kind of 1. papermaking sewage treatment system, it is characterised in that：Including the primary filter pond, aerating regulation pond, secondary being sequentially connected Level filtering ponds, coagulation reaction tank, sedimentation basin, cooling tower, pre-acidified pond and biochemical reaction device；The primary filter pond and sewage Source is connected, and mechanical grille is provided with above primary filter pond；The delivery port in primary filter pond is connected with the water inlet in aerating regulation pond Logical, the delivery port in aerating regulation pond is connected with the water inlet in secondary filter pond, and secondary filter screen is provided with secondary filter pond, secondary The mesh size of filter screen is less than the mesh size of mechanical grille；The delivery port in secondary filter pond and the water inlet phase of coagulation reaction tank Connection, the delivery port of coagulation reaction tank are connected with the water inlet of sedimentation basin；The water outlet of sedimentation basin is provided with water pump, water pump Water side is connected with the water inlet of cooling tower；The delivery port of cooling tower is connected with the water inlet in pre-acidified pond, pre-acidified pond Delivery port be connected with biochemical reaction device；Biochemical reaction device includes anaerobic reactor and aerobic reactor, anaerobic reaction Device is connected with aerobic reactor by pipeline, and pipeline is provided with valve；It is equipped with and stirs in aerating regulation pond and coagulation reaction tank Mix device；It is respectively equipped with motor and spiral rotating vane in anaerobic reactor and aerobic reactor, rotating vane and motor Output shaft is linked, and microbial degradation microbial inoculum is coated with rotating vane.
- 2. papermaking sewage treatment system according to claim 1, it is characterised in that：Multiple separations are provided with aerating regulation pond Aerating regulation pond is separated into multiple chambers interconnected, 3-5 through hole is respectively equipped with each demarcation strip by plate, demarcation strip, Through hole on two adjacent demarcation strips is staggered.
- 3. papermaking sewage treatment system according to claim 1, it is characterised in that：Multiple separations are provided with aerating regulation pond Aerating regulation pond is separated into multiple chambers interconnected, 3-5 through hole is respectively equipped with each demarcation strip by plate, demarcation strip, In two adjacent demarcation strips, the through hole on one of demarcation strip is located at the upper end of demarcation strip, logical on another demarcation strip Hole position is in the lower end of demarcation strip.
- 4. papermaking sewage treatment system according to claim 1, it is characterised in that：Multiple separations are provided with coagulation reaction tank Coagulation reaction tank is separated into multiple chambers interconnected, 3-5 through hole is respectively equipped with each demarcation strip by plate, demarcation strip, Through hole on two adjacent demarcation strips is staggered.
- 5. papermaking sewage treatment system according to claim 1, it is characterised in that：Multiple separations are provided with coagulation reaction tank Coagulation reaction tank is separated into multiple chambers interconnected, 3-5 through hole is respectively equipped with each demarcation strip by plate, demarcation strip, In two adjacent demarcation strips, the through hole on one of demarcation strip is located at the upper end of demarcation strip, logical on another demarcation strip Hole position is in the lower end of demarcation strip.
- 6. papermaking sewage treatment system according to claim 1, it is characterised in that：The secondary filter screen is filtered for circular arc Net.
- 7. papermaking sewage treatment system according to claim 1, it is characterised in that：The secondary filter screen for be obliquely installed in In secondary filter pond.
- 8. papermaking sewage treatment system according to claim 1, it is characterised in that：The rotating vane be provided with fold or It is raised.
- 9. papermaking sewage treatment system according to claim 1, it is characterised in that：The papermaking sewage treatment system also wraps Include sludge collecting pit and sludge conditioning pond, the entrance of sludge collecting pit and secondary filter pond, sedimentation basin, anaerobic reactor bottom Sludge outlet is connected；The sludge pump of sludge collecting pit is pumped to again into sludge conditioning pond by the sludge in sludge conditioning pond Plate and frame filter press carries out dewater treatment, the dry mud burning disposal after dehydration.
- 10. papermaking sewage treatment system according to claim 1, it is characterised in that：The anaerobic reactor is that UMAR is anti- Answer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720888262.5U CN207159024U (en) | 2017-07-14 | 2017-07-14 | A kind of papermaking sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720888262.5U CN207159024U (en) | 2017-07-14 | 2017-07-14 | A kind of papermaking sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207159024U true CN207159024U (en) | 2018-03-30 |
Family
ID=61713898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720888262.5U Active CN207159024U (en) | 2017-07-14 | 2017-07-14 | A kind of papermaking sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207159024U (en) |
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2017
- 2017-07-14 CN CN201720888262.5U patent/CN207159024U/en active Active
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