CN109205750A - The efficient flocculating device of dyeing waste water and its application - Google Patents
The efficient flocculating device of dyeing waste water and its application Download PDFInfo
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- CN109205750A CN109205750A CN201811254730.9A CN201811254730A CN109205750A CN 109205750 A CN109205750 A CN 109205750A CN 201811254730 A CN201811254730 A CN 201811254730A CN 109205750 A CN109205750 A CN 109205750A
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- dyeing waste
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- waste water
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention discloses a kind of efficient flocculating device of dyeing waste water, including pond body and it is vertically arranged in coagulation cylinder in pond body, pond body is separated into clean water area and muddy water area by coagulation cylinder, the bottom and top in muddy water area are respectively equipped with heater and condense and separate component, condensate outlet is offered on the upper barrel of coagulation cylinder, clean water area is equipped with inlet tube and drug-feeding tube, and the liquid outlet of inlet tube and the medicine outlet of drug-feeding tube are connected to coagulation cylinder respectively, and the feeding opening of drug-feeding tube is connected with quantitative dosing device.Compared with prior art, structure of the invention is compact, can realize automatic ration charging according to wastewater flow rate, purified water after flocculant precipitates then can by thermal conversion at steam after, then be discharged from pond body water purification mouth after being condensed into liquid and entering clean water area；When strainer then prevents that liquid level is excessively high in contraminated zone, sediment overflows into clean water area with liquid；Dyeing waste water sinking speed processed by the invention is fast, good decolorizing effect, and total phosphorus and COD removal rate are high.
Description
Technical field
The present invention relates to technical field of waste water processing, in particular to the efficient flocculating device of a kind of dyeing waste water and its answer
With.
Background technique
China is textile printing and dyeing industry big country, and not only water consumption is huge for textile printing and dyeing industry, and wastewater discharge is not also small.Good mesh
The total emission volumn of preceding China's dyeing waste water accounts for about the 35% of entire amount of industrial wastewater.More intractable dyeing waste water is because it has
The water quality characteristics such as ingredient is sufficiently complex, coloration, content of organics height, in addition a variety of dyestuffs, auxiliary agent etc. used in dyeing process
With very strong toxicity, and then it is difficult to be bioavailable degradation.In recent years, with the rapid development of dyeing, new dye
And dyeing auxiliaries by a large amount of exploitation and is applied, so that the processing difficulty of dyeing waste water is also constantly increasing.
Processing for such waste water, flocculation and decoloration are steps extremely important in treatment of dyeing wastewater, currently, domestic
It generallys use active carbon, atlapulgite, Polyferric Sulfate, poly-aluminium etc. and decolorization flocculation processing, but the above two processing is carried out to industrial wastewater
Costly, treatment process is complicated, and then the two flocculating effect is good but decolorizing effect is undesirable；Existing treatment of dyeing wastewater dress
The dosing method set, which is continuously prepared, adds that performance is poor, the concentration low precision of preparating liquid, adjusts difficult, it is difficult to control, react
Journey is slow, handles of long duration, low efficiency, at high cost.
Summary of the invention
In order to solve the above technical problems, the present invention provides efficient flocculating device and its application of a kind of dyeing waste water, solves
Cannot continuous automated dispensing, the low precision of preparating liquid concentration adjusts that difficult and single flocculant decolorizing efficiency is low, flocculation effect
The problem of fruit difference.
The technical solution adopted by the invention is as follows: a kind of efficient flocculating device of dyeing waste water, key are: including pond
Body is equipped with coagulation cylinder in the pond body vertically, and the pond body is separated into clean water area and muddy water area by the coagulation cylinder, muddy water area
Bottom and top are respectively equipped with heater and condense and separate component, offer condensate outlet on the upper barrel of the coagulation cylinder,
The clean water area is equipped with inlet tube and drug-feeding tube, the medicine outlet of the liquid outlet of the inlet tube and the drug-feeding tube respectively with it is described
The connection of coagulation cylinder, the feeding opening of the drug-feeding tube are connected with quantitative dosing device；
The quantitative dosing device includes mixer and the charging pan that is vertically arranged in the mixer, the charging pan
Center be installed with shaft, which is connected with motor after being pierced by the mixer, and the edge of the charging pan offers multiple
Storing circular groove, offers the cavity being adapted with the charging pan in the mixer, the edge of the charging pan and the cavity
Cavity wall contact, the mixer are equipped with pulvis pipe and aqua pipe, and the outlet of pulvis pipe and the feeding opening of the drug-feeding tube are distinguished
It is connected to the top of the cavity and bottom, the outlet of the aqua pipe is connected to the drug-feeding tube.
Preferably, the condensation separation component includes the steam inner tube being vertically arranged and annular partition, the steam inner tube
Upper end be fixedly connected with the roof of the pond body, the inner ring surface of the lower end of the steam inner tube and the annular partition is fixed to be connected
It connects, the outer ring surface of the annular partition is fixedly connected with the inner tube wall of the coagulation cylinder, the outer ring surface setting of the annular partition
Below the condensate outlet, be connected with condenser on the top plate of the pond body, the condenser setting in steam inner tube and
Between the coagulation cylinder, air hole is offered on the steam inner tube (41).
Preferably, the center vertical of the coagulation cylinder is equipped with agitating shaft, and the lower end of the agitating shaft is connected with paddle
Piece, the roof that the upper end of the agitating shaft is pierced by pond body are connected with power device, the top of the agitating shaft and the coagulation cylinder
Between it is horizontal be equipped with annular filter screen, the agitating shaft is equipped with filter screen cleaning component, which is arranged in the ring
Below shape strainer.
Preferably, the filter screen cleaning component includes the filter screen cleaning brush being vertically arranged and brush body tumble cylinder, described to stir
It mixes and is equipped with cylinder accommodating cavity in axis, the piston rod of the brush body tumble cylinder protrudes horizontally up clear with the strainer after the agitating shaft
The upper end of clean brush is hinged, hinged by turnover bracket between the top and the agitating shaft of the filter screen cleaning brush.
Preferably, the coagulation cylinder is equipped with spraying pesticide head and jet head, and the annular filter screen is arranged in the spraying pesticide head
Top, and being connected to the drug-feeding tube pipeline, the jet head are arranged in the lower section of the annular filter screen, and with it is described into
The connection of liquid pipe pipeline.
Preferably, the side wall of the pond body offers water purification mouth, is equipped with a circle catch basin around the inner wall of the pond body, should
The slot bottom of catch basin is located at below the water purification mouth, and the pool bottom offers sewage draining exit, and the sewage draining exit is located at muddy water area.
A method of using efficient flocculating device handle dyeing waste water, key be the following steps are included:
Step 1: dyeing waste water is imported in coagulation cylinder by inlet tube, and start agitating device and heater；
Step 2: flocculant is inserted in each storing circular groove by drug-feeding tube, lysate enters mixing by aqua pipe
In case, quantitative dosing is carried out by the circle number of control charging pan rotation, flocculant is led after lysate dissolves by drug-feeding tube
Enter to be equipped in coagulation cylinder；
Step 3: be sufficiently mixed flocculant and dyeing waste water by stirring and heating and adjust pH value, the precipitating of generation
Object is discharged by sewage draining exit, after the air hole for adding thermogenetic steam to pass through steam inner tube, is flowed into after condenser is cooled to water
Clean water area is discharged as the liquid level of clean water area goes up eventually by water purification mouth.
Preferably, the flocculant is (2-5) by molar ratio: (5-8) anionic polyelectrolyte and water-soluble cationic are wadded a quilt with cotton
Solidifying agent compounds；The structural formula of the water-soluble cationic flocculant is
The anionic polyelectrolyte is hydroxymethyl cellulose or hydroxymethyl starch.
Preferably, the water-soluble cationic flocculant is obtained using following methods: reactor is added in formalin
In, hydrochloric acid is added in stirring, and the pH value of regulation system is 3-5, then under 25~45 DEG C of water bath condition, dicyandiamide is added, stirs
After mixing reaction 1-2.5h, modifying agent is added, system temperature is risen to 50-75 DEG C, after being stirred to react 0.5-1.5h, continuously adds and changes
Property agent, regulation system pH value is 1.5-2.8, and system temperature is risen to 85-95 DEG C, is stirred to react 1.5-3h, is slightly produced
Object；Crude product is dissolved by heating in distilled water, impurity is filtered to remove and obtains solution A, agitation and dropping is into acetone, by sediment
Separation, washing, vacuum drying, obtain water-soluble cationic flocculant.
Preferably, the mass fraction of the formalin is 35-45%；The formalin and the dicyandiamide
Volume mass ratio is (5-10) ml:(3.5-5.5) g；The modifying agent is thiocarbamide；The single of the dicyandiamide and the modifying agent
It is (8-12) that mass ratio, which is added: 1；The volume ratio of the acetone and solution A is (6-10): 1.
The utility model has the advantages that compared with prior art, the efficient flocculating apparatus structure of dyeing waste water of the present invention is compact, is due to storage
Expect the given volume of circular groove, so that the turnning circle of controllable charging pan accurately calculates the additional amount of flocculant, it can basis
Wastewater flow rate realizes automatic ration charging, time saving and energy saving；For waste water after flocculant precipitates, sediment can be from pool bottom sewage draining exit
Discharge, purified water then can by thermal conversion at steam after, then after being condensed into liquid and entering clean water area from pond body water purification mouth arrange
Out；When strainer then prevents that liquid level is excessively high in contraminated zone, sediment overflows into clean water area with liquid；Filter screen cleaning component then can be to strainer
It is cleaned, prevents from blocking, when not needing cleaning strainer, cleaning brush is tightly attached to agitating shaft surface, when needing to clean strainer,
Start brush body tumble cylinder, cleaning brush is flipped up, and brush head is close to filter screen, and as agitating shaft rotates, and is realized to strainer
Cleaning.
Flocculant introduces anionic polyelectrolyte in water-soluble cationic flocculant, forms polyelectrolyte complex compound, so
Polyelectrolyte complex compound is reacted with reactive dye again afterwards occurs the precipitation reaction of ternary polyelectrolyte complex, and organic matter complexing is precipitated,
De- steady flocculation；Water-soluble cationic flocculant increases cationic polyelectrolyte strand, improves molecule by introducing thiocarbamide chain link
Amount, reduces charge density, easily because hydrolysis generates a large amount of floccules there is net to catch, builds bridge, rolls up and sweep and be complexed settlement action,
It improves to decoloring dye waste water effect, and narrow molecular weight distribution, degree of scatter is small, has better stability；It introduces and is modified
For poly- polysaccharide as anionic polyelectrolyte, elecrtonegativity is weak, and hydrophobicity is strong, is formed and is acted synergistically with water-soluble cationic flocculant,
The complexing of enhancing and organic dyestuff, significantly improves percent of decolourization；And raw material is easy to get, reaction is mild, and pH value application range is wide, throws
It is high-volume few, there are good market prospects.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Structural schematic diagram when Fig. 2 is middle filter screen cleaning brush 91 storage in Fig. 1；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is enlarged drawing at the A of Fig. 2；
Fig. 5 is enlarged drawing at the B of Fig. 3；
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below with reference to subordinate list and specific embodiment party
Formula elaborates to the present invention.
Embodiment 1
As shown in Figs. 1-5, the efficient flocculating device of a kind of dyeing waste water, including pond body 1 are equipped with vertically in the pond body 1
The pond body 1 is separated into clean water area and muddy water area by coagulation cylinder 2, the coagulation cylinder 2, and the bottom and top in muddy water area are respectively equipped with
Heater 3 and component 4 is condensed and separated, offers condensate outlet 21 on the upper barrel of the coagulation cylinder 2, the clean water area is equipped with
Inlet tube 5 and drug-feeding tube 6, the liquid outlet of the inlet tube 5 and the medicine outlet of the drug-feeding tube 6 connect with the coagulation cylinder 2 respectively
Logical, the feeding opening of the drug-feeding tube 6 is connected with quantitative dosing device 7, and the side wall of the pond body 1 offers water purification mouth 1a, surrounds
The slot bottom that the inner wall of the pond body 1 is equipped with circle a catch basin 1b, catch basin 1b is located at below the water purification mouth 1a, the pond body
1 bottom offers sewage draining exit, and the sewage draining exit is located at muddy water area；
The center vertical of the coagulation cylinder 2 is equipped with agitating shaft 8, and the lower end of the agitating shaft 8 is connected with stirring blade 8a,
The roof that the upper end of the agitating shaft 8 is pierced by pond body 1 is connected with power device, the top of the agitating shaft 8 and the coagulation cylinder 2
Between it is horizontal be equipped with annular filter screen 10, the agitating shaft 8 is equipped with filter screen cleaning component 9, which is arranged in institute
10 lower section of annular filter screen is stated, the coagulation cylinder 2 is equipped with spraying pesticide head 6a and jet head 5a, and the spraying pesticide head 6a setting is in the ring
The top of shape strainer 10, and be connected to 6 pipeline of drug-feeding tube, the jet head 5a is arranged under the annular filter screen 10
Side, and be connected to 5 pipeline of inlet tube.
In Fig. 1 and Fig. 2 it can be seen that, it is described condense and separate component 4 include the steam inner tube 41 that is vertically arranged and annular every
Plate 42, the upper end of the steam inner tube 41 are fixedly connected with the roof of the pond body 1, the lower end of the steam inner tube 41 and described
The inner ring surface of annular partition 42 is fixedly connected, and the inner tube wall of the outer ring surface of the annular partition 42 and the coagulation cylinder 2 is fixed to be connected
It connects, the outer ring surface of the annular partition 42 is arranged below the condensate outlet 21, is connected on the top plate of the pond body 1 cold
Condenser 43, the condenser 43 are arranged between steam inner tube 41 and the coagulation cylinder 2, offer in the steam inner tube 41
Stomata 44.
It can be seen that, the quantitative dosing device 7 includes mixer 71 and is vertically arranged in the mixer 71 in Fig. 3
Charging pan 72, the center of the charging pan 72 is installed with shaft, which is connected with motor after being pierced by the mixer 71, institute
The edge for stating charging pan 72 offers multiple storing circular grooves 73, and the sky being adapted with the charging pan 72 is offered in the mixer 71
The edge of chamber, the charging pan 72 is contacted with the cavity wall of the cavity, and the mixer 71 is equipped with pulvis pipe 74 and aqua pipe
75, the outlet of pulvis pipe 74 and the feeding opening of the drug-feeding tube 6 are connected to the top of the cavity and bottom respectively, the aqua
The outlet of pipe 75 is connected to the drug-feeding tube 6.
It can further be seen that the filter screen cleaning component 9 includes the filter screen cleaning brush 91 being vertically arranged and brush in Fig. 4 and Fig. 5
Body tumble cylinder 92, cylinder accommodating cavity is equipped in the agitating shaft 8, and the piston rod of the brush body tumble cylinder 92 protrudes horizontally up institute
State it is hinged with the upper end of the filter screen cleaning brush 91 after agitating shaft 8, the top of the filter screen cleaning brush 91 and the agitating shaft 8 it
Between it is hinged by turnover bracket 93.
The method I of the application efficient flocculating device processing dyeing waste water of embodiment 2
Step 1: dyeing waste water is imported in coagulation cylinder 2 by inlet tube 5, and start agitating device；
Step 2: flocculant I is inserted in each storing circular groove 73 by drug-feeding tube 6, lysate by aqua pipe 75 into
Enter in mixer 71, add 300mg flocculant I by 1L waste water, carries out quantitative dosing, wadding to control the circle number of the rotation of charging pan 72
Solidifying agent is imported by drug-feeding tube 6 and is equipped in coagulation cylinder 2 after lysate dissolves；
The flocculant I is prepared by the following method: the formalin that mass fraction is 35% is added in reactor,
Hydrochloric acid is added in stirring, and after the pH value of regulation system is 4, then under 25~45 DEG C of water bath condition, dicyandiamide, formalin is added
The volume mass of solution and dicyandiamide ratio is 5ml:3.5g, after being stirred to react 1-2.5h, thiocarbamide is added, by system temperature liter
To 50-75 DEG C, after being stirred to react 0.5-1.5h, thiocarbamide, the single addition mass ratio of dicyandiamide and the modifying agent are continuously added
For 8:1, regulation system pH value is 1.5, and system temperature is risen to 85-95 DEG C, is stirred to react 1.5-3h, obtains crude product；
Crude product is dissolved by heating in distilled water, impurity is filtered to remove and obtains solution A, agitation and dropping is into acetone, acetone and solution A
Volume ratio be 6:1, by sediment separation, washing, vacuum drying, obtain water-soluble cationic flocculant；By hydroxylmethyl cellulose
Element is added in distilled water, stirs to dissolve, and is configured to the hydroxymethyl cellulose solution that mass concentration is 2mg/L；It will be water-soluble
Cationic flocculant is added in distilled water, stirs to dissolve, is configured to the cationic flocculant solution of mass concentration 35mg/L；
By hydroxymethyl cellulose solution agitation and dropping into cationic flocculant solution, wherein hydroxymethyl cellulose and water-soluble cationic
Flocculant molar ratio is 1:1, and complexing forms the flocculant I；
Step 3: be sufficiently mixed flocculant I and dyeing waste water by stirring and adjust pH value 9, the sediment of generation
It is discharged by sewage draining exit, after the air hole 44 for adding thermogenetic steam to pass through steam inner tube, is flowed after condenser 43 is cooled to water
Enter clean water area, as the liquid level of clean water area goes up, is discharged eventually by water purification mouth 1a.
Test result: decolorization rate of wastewater 95.8%, COD removal rate are 85.9%, and total tp removal rate is 96.3%.
The method II of the application efficient flocculating device processing dyeing waste water of embodiment 3
Step 1: dyeing waste water is imported in coagulation cylinder 2 by inlet tube 5, and start agitating device；
Step 2: flocculant II is inserted in each storing circular groove 73 by drug-feeding tube 6, lysate by aqua pipe 75 into
Enter in mixer 71, add 300mg flocculant II by 1L waste water, carries out quantitatively adding by the circle number of the control rotation of charging pan 72
Medicine, flocculant are imported by drug-feeding tube 6 and are equipped in coagulation cylinder 2 after lysate dissolves；
The flocculant II is prepared by the following method: reactor is added in the formalin that mass fraction is 45%
In, hydrochloric acid is added in stirring, and after the pH value of regulation system is 5, then under 25~45 DEG C of water bath condition, dicyandiamide, first is added
The volume mass of aldehyde aqueous solution and dicyandiamide ratio is 10ml:5.5g, after being stirred to react 1-2.5h, thiocarbamide is added, by system
Temperature rises to 50-75 DEG C, after being stirred to react 0.5-1.5h, continuously adds thiocarbamide, the single addition of dicyandiamide and the modifying agent
Mass ratio is 12:1, and regulation system pH value is 2.8, and system temperature is risen to 85-95 DEG C, is stirred to react 1.5-3h, obtains
Crude product；Crude product is dissolved by heating in distilled water, impurity is filtered to remove and obtains solution A, agitation and dropping is into acetone, acetone
Volume ratio with solution A is 10:1, by sediment separation, washing, vacuum drying, obtains water-soluble cationic flocculant；By hydroxyl
Methyl starch is added in distilled water, stirs to dissolve, and is configured to the hydroxymethyl starch solution that mass concentration is 2-8mg/L；It will
Water-soluble cationic flocculant is added in distilled water, stirs to dissolve, and is configured to the cation wadding of mass concentration 35-55mg/L
Solidifying agent solution；By hydroxymethyl starch solution agitation and dropping into cationic flocculant solution, wherein hydroxymethyl starch and water solubility
The molar ratio of cationic flocculant is 4:6, and complexing forms the flocculant II；
Step 3: be sufficiently mixed flocculant II and dyeing waste water by stirring and adjust pH value 9, the precipitating of generation
Object is discharged by sewage draining exit, after the air hole 44 for adding thermogenetic steam to pass through steam inner tube, after condenser 43 is cooled to water
Clean water area is flowed into, as the liquid level of clean water area goes up, is discharged eventually by water purification mouth 1a.
Test result: decolorization rate of wastewater 96.4%, COD removal rate are 87.1%, and total tp removal rate is 97.6%.
The method III of the application efficient flocculating device processing dyeing waste water of embodiment 4
Step 1: dyeing waste water is imported in coagulation cylinder 2 by inlet tube 5, and start agitating device；
Step 2: flocculant III is inserted in each storing circular groove 73 by drug-feeding tube 6, lysate passes through aqua pipe 75
Into in mixer 71,300mg flocculant III is added by 1L waste water, is determined by the circle number of the control rotation of charging pan 72
Dosing is measured, flocculant is imported by drug-feeding tube 6 and is equipped in coagulation cylinder 2 after lysate dissolves；
The flocculant III is prepared by the following method: reactor is added in the formalin that mass fraction is 38%
In, hydrochloric acid is added in stirring, and after the pH value of regulation system is 3, then under 25~45 DEG C of water bath condition, dicyandiamide, first is added
The volume mass of aldehyde aqueous solution and dicyandiamide ratio is 8ml:4.2g, after being stirred to react 1-2.5h, thiocarbamide is added, by system temperature
Degree rises to 50-75 DEG C, after being stirred to react 0.5-1.5h, continuously adds thiocarbamide, the single addition matter of dicyandiamide and the modifying agent
For amount than being 10.2:1, regulation system pH value is 2.6, and system temperature is risen to 85-95 DEG C, is stirred to react 1.5-3h, obtains
Crude product；Crude product is dissolved by heating in distilled water, impurity is filtered to remove and obtains solution A, agitation and dropping is into acetone, acetone
Volume ratio with solution A is 8:1, by sediment separation, washing, vacuum drying, obtains water-soluble cationic flocculant；By hydroxyl first
Base cellulose is added in distilled water, stirs to dissolve, and is configured to the hydroxymethyl cellulose solution that mass concentration is 4.5mg/L；
Water-soluble cationic flocculant is added in distilled water, is stirred to dissolve, the cation wadding of mass concentration 50mg/L is configured to
Solidifying agent solution；Step 5: by hydroxymethyl cellulose solution agitation and dropping into cationic flocculant solution, wherein hydroxylmethyl cellulose
Element and water-soluble cationic flocculant molar ratio are 2:8, and complexing forms the flocculant III；
Step 3: be sufficiently mixed flocculant III and dyeing waste water by stirring and adjust pH value 9, the precipitating of generation
Object is discharged by sewage draining exit, after the air hole 44 for adding thermogenetic steam to pass through steam inner tube, after condenser 43 is cooled to water
Clean water area is flowed into, as the liquid level of clean water area goes up, is discharged eventually by water purification mouth 1a.
Test result: decolorization rate of wastewater 98.8%, COD removal rate are 89.7%, and total tp removal rate is 98.2%.
Finally it is to be appreciated that foregoing description is merely a preferred embodiment of the present invention, those skilled in the art is in the present invention
Enlightenment under, without prejudice to the purpose of the present invention and the claims, multiple similar expressions, such change can be made
It changes and falls within the scope of protection of the present invention.
Claims (10)
1. a kind of efficient flocculating device of dyeing waste water, it is characterised in that: including pond body (1), be equipped with vertically in the pond body (1)
The pond body (1) is separated into clean water area and muddy water area, the bottom and top point in muddy water area by coagulation cylinder (2), the coagulation cylinder (2)
Heater (3) and component (4) She You not be condensed and separated, offer condensate outlet (21) on the upper barrel of the coagulation cylinder (2),
The clean water area is equipped with inlet tube (5) and drug-feeding tube (6), the liquid outlet of the inlet tube (5) and the drug of the drug-feeding tube (6)
Mouth is connected to the coagulation cylinder (2) respectively, and the feeding opening of the drug-feeding tube (6) is connected with quantitative dosing device (7)；
The quantitative dosing device (7) includes mixer (71) and the charging pan that is vertically arranged in the mixer (71)
(72), the center of the charging pan (72) is installed with shaft, which is connected with motor after being pierced by the mixer (71), described
The edge of charging pan (72) offers multiple storing circular grooves (73), offers in the mixer (71) and mutually fits with the charging pan (72)
The edge of the cavity answered, the charging pan (72) is contacted with the cavity wall of the cavity, and the mixer (71) is equipped with pulvis pipe
(74) and aqua pipe (75), the feeding opening of the outlet of pulvis pipe (74) and the drug-feeding tube (6) top with the cavity respectively
It is connected to bottom, the outlet of the aqua pipe (75) is connected to the drug-feeding tube (6).
2. the efficient flocculating device of dyeing waste water according to claim 1, it is characterised in that: the condensation separation component
It (4) include the steam inner tube (41) being vertically arranged and annular partition (42), upper end and the pond body of the steam inner tube (41)
(1) roof is fixedly connected, and the lower end of the steam inner tube (41) is fixedly connected with the inner ring surface of the annular partition (42), institute
The outer ring surface for stating annular partition (42) is fixedly connected with the inner tube wall of the coagulation cylinder (2), the outer ring of the annular partition (42)
Face setting is connected with condenser (43), the condenser on the top plate of the pond body (1) below the condensate outlet (21)
(43) it is arranged between steam inner tube (41) and the coagulation cylinder (2), offers air hole (44) on the steam inner tube (41).
3. the efficient flocculating device of dyeing waste water according to claim 1 or 2, it is characterised in that: the coagulation cylinder (2)
Center vertical is equipped with agitating shaft (8), and the lower end of the agitating shaft (8) is connected with stirring blade (8a), the agitating shaft (8)
The roof that upper end is pierced by pond body (1) is connected with power device, water between the top and the coagulation cylinder (2) of the agitating shaft (8)
Flat to be equipped with annular filter screen (10), the agitating shaft (8) is equipped with filter screen cleaning component (9), and the filter screen cleaning component (9) setting exists
Below the annular filter screen (10).
4. the efficient flocculating device of dyeing waste water according to claim 3, it is characterised in that: the filter screen cleaning component
(9) include the filter screen cleaning brush (91) being vertically arranged and brush body tumble cylinder (92), be equipped with cylinder in the agitating shaft (8) and accommodate
Chamber, the piston rod of the brush body tumble cylinder (92) protrude horizontally up the agitating shaft (8) afterwards with the filter screen cleaning brush (91)
Upper end is hinged, hinged by turnover bracket (93) between the top and the agitating shaft (8) of the filter screen cleaning brush (91).
5. according to claim 1, the efficient flocculating device of 2 or 4 described in any item dyeing waste waters, it is characterised in that: described mixed
Solidifying cylinder (2) are equipped with spraying pesticide head (6a) and jet head (5a), and the spraying pesticide head (6a) is arranged in the upper of the annular filter screen (10)
Side, and be connected to the drug-feeding tube (6) pipeline, the jet head (5a) is arranged in the lower section of the annular filter screen (10), and
And it is connected to the inlet tube (5) pipeline.
6. the efficient flocculating device of dyeing waste water according to claim 5, it is characterised in that: the side wall of the pond body (1)
Water purification mouth (1a) is offered, the inner wall around the pond body (1) is equipped with circle catch basin (1b), the slot bottom position of the catch basin (1b)
Below the water purification mouth (1a), pond body (1) bottom offers sewage draining exit, and the sewage draining exit is located at muddy water area.
7. a kind of method for the efficient flocculating device processing dyeing waste water for applying dyeing waste water described in -6 according to claim 1,
Characterized by the following steps:
Step 1: dyeing waste water is imported in coagulation cylinder (2) by inlet tube (5), and start agitating device；
Step 2: flocculant is inserted in each storing circular groove (73) by drug-feeding tube (6), lysate by aqua pipe (75) into
Enter in mixer (71), quantitative dosing is carried out by the circle number of control charging pan (72) rotation, flocculant is dissolved through lysate
Afterwards, it is imported and is equipped in coagulation cylinder (2) by drug-feeding tube (6)；
Step 3: being sufficiently mixed flocculant and dyeing waste water by stirring and adjusting pH value, the sediment of generation passes through blowdown
Mouth discharge after adding thermogenetic steam to pass through the air hole (44) of steam inner tube, flows into net after condenser (43) is cooled to water
Pool is discharged as the liquid level of clean water area goes up eventually by water purification mouth (1a).
8. the processing method of dyeing waste water according to claim 7, it is characterised in that: the flocculant is by molar ratio
(2-5): (5-8) anionic polyelectrolyte and water-soluble cationic flocculant compound；The water-soluble cationic flocculant
Structural formula be
The anionic polyelectrolyte is hydroxymethyl cellulose or hydroxymethyl starch.
9. the processing method of dyeing waste water according to claim 8, it is characterised in that the water-soluble cationic flocculant
It is obtained using following methods: formalin is added in reactor, hydrochloric acid is added in stirring, and the pH value of regulation system is 3-5, so
Afterwards under 25~45 DEG C of water bath condition, dicyandiamide is added, after being stirred to react 1-2.5h, modifying agent is added, by system temperature liter
To 50-75 DEG C, after being stirred to react 0.5-1.5h, modifying agent is continuously added, regulation system pH value is 1.5-2.8, and by system
Temperature rises to 85-95 DEG C, is stirred to react 1.5-3h, obtains crude product；Crude product is dissolved by heating in distilled water, is filtered to remove
Impurity obtains solution A, and agitation and dropping, by sediment separation, washing, vacuum drying, obtains water-soluble cationic wadding into acetone
Solidifying agent.
10. the preparation method of the dual system flocculant of high-activity treatment of textile dye waste according to claim 9, feature exist
In: the mass fraction of the formalin is 35-45%；The volume mass of the formalin and dicyandiamide ratio is
(5-10) ml:(3.5-5.5) g；The modifying agent is thiocarbamide；The single of the dicyandiamide and the modifying agent is added mass ratio and is
(8-12): 1；The volume ratio of the acetone and solution A is (6-10): 1.
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