CN110156245A - A kind of method for treating waste liquid in 3D printing consumptive material ABS preparation - Google Patents
A kind of method for treating waste liquid in 3D printing consumptive material ABS preparation Download PDFInfo
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- CN110156245A CN110156245A CN201810134443.8A CN201810134443A CN110156245A CN 110156245 A CN110156245 A CN 110156245A CN 201810134443 A CN201810134443 A CN 201810134443A CN 110156245 A CN110156245 A CN 110156245A
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- filter
- waste liquid
- chamber
- inlet tube
- sedimentation basin
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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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- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/341—Consortia of bacteria
Abstract
The present invention provides the method for treating waste liquid in a kind of 3D printing consumptive material ABS preparation, belong to Industrial Waste Water Treatments field.Method for treating waste liquid in this 3D printing consumptive material ABS preparation, comprising the following steps: a, pH value are adjusted: acid waste liquid and alkaline waste liquor being introduced into sedimentation basin, mixed, makes mixed waste liquid pH value between 6.5-7.5；B, coagulant and flocculation aid successively coagulant precipitation: are added to sedimentation basin；C, suspended particulate and impurity air bearing, filtering: are removed by air bearing, filtering；D, it accesses liquid strain agent: the waste liquid after air-float filtration being introduced into aerobic tank, accesses liquid strain agent；E, centrifugal filtration: carrying out centrifugal filtration, further removes the sundries in waste liquid；F, it collects: by the waste liquid centralized collection after centrifugal filtration to collecting tank.The present invention, which has the advantages that significantly more efficient to realize, handles the waste liquid in 3D printing consumptive material ABS preparation.
Description
Technical field
The invention belongs to Industrial Waste Water Treatments field, a kind of be related in 3D printing consumptive material ABS preparation method for treating waste liquid.
Background technique
3D printing technique is also known as layered manufacturing technology, is a kind of emerging technology of rapid shaping field, it is one kind with number
Based on word model file, with adhesive materials such as powdery metal or plastics, carry out structure by layer-by-layer printing
The technology of body.Basic principle is layered manufacturing, increases material successively to generate the technology of 3D solid.Currently, 3D printing technique
Product prototype, mold manufacture and the fields such as artistic creation, jewelry-making are applied primarily to, the essence that these tradition rely on is substituted
Fining-off technique.In addition, 3D printing technique is gradually applied to the fields such as medicine, bioengineering, building, clothes, aviation, for innovation
Wide space is opened up.
Currently, the more common polymer material of melted extrusion modeling forming technique is one butadiene of acrylonitrile, one benzene in the market
Ethylene-dien terpolymer (ABS), polylactic acid (PLA), nylon (PA) and polycarbonate (PC).ABS resin is five big synthetic resin
One of, have the characteristics that easy processing, product size are stable, lustrous surface is good, is easy coating, coloring, table can also be carried out
The secondary operation such as face metalling, plating, welding, hot pressing and bonding are widely used in machinery, automobile, electronic apparatus, instrument instrument
The industrial circles such as table, weaving and building are a kind of thermoplastic engineering plastics that purposes is extremely wide.But due to 3D printing consumptive material ABS
Synthesis material is wide in variety in preparation, auxiliary agent add type it is more, so as to cause generation waste water it is complex in composition, it is difficult to handle.
It is above-mentioned due to there is a problem of, through retrieving, as Chinese patent literature discloses a kind of method for handling ABS sewage
[the patent No.: ZL01134725.2；Authorization Notice No.: CN1417143].The method of this processing ABS sewage, treatment process is such as
Under: under mechanical stirring by the sewage from ABS process units, its pH value is adjusted between 6~8 with inorganic acid；Alkali formula is added
Aluminium polychloride is sufficiently mixed under mechanical stirring, and the additional amount of aluminum chloride hydrocarbon complex is by weight are as follows: ABS sewage: alkali formula
Aluminium polychloride=10000: 0.5~2；Polyacrylamide is added to be sufficiently mixed under mechanical stirring, the addition of polyacrylamide
Amount is by weight are as follows: ABS sewage: polyacrylamide=300000: 0.5~2；ABS sewage is stood to form water and sediment two
Phase, water phase are discharged directly into subsequent sewage farm；Sediment is separated by solid-liquid separation, separating liquid returns to pH value and adjusts process
Recycling processing, solid matter are recovered.
But the method for this processing ABS sewage is more dispersed to the processing of ABS sewage, utilization rate is low, and sewage treatment
Effect is not significant.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of 3D printing consumptive material ABS preparation is proposed
In method for treating waste liquid, this 3D printing consumptive material ABS preparation in method for treating waste liquid have can it is significantly more efficient realize pair
Waste liquid in 3D printing consumptive material ABS preparation is handled.
Object of the invention can be realized by the following technical scheme:
A kind of method for treating waste liquid in 3D printing consumptive material ABS preparation, which comprises the following steps:
A, pH value is adjusted: the acid waste liquid generated in 3D printing consumptive material ABS preparation is collected in fluid reservoir one, the alkali of generation
Acid waste liquid and alkaline waste liquor are introduced into sedimentation basin, are mixed, make mixed waste liquid by property waste collection in fluid reservoir two
PH value is between 6.5-7.5；
B, coagulant precipitation: coagulant and flocculation aid are successively added to sedimentation basin, coagulant polymeric iron polymerize concentration of iron 85-
Sludge in sedimentation basin is collected into waste tank by 95mg/L, flocculation aid polyethylene glycol, Polyethylene glycol 6-7mg/L；
C, air bearing, filtering: the waste liquid after coagulant precipitation is introduced in filter one, is removed and is suspended by air bearing, filtering
Particle and impurity, by filter one suspended particulate and impurity be collected into waste tank；
D, it accesses liquid strain agent: the waste liquid after air-float filtration being introduced into aerobic tank, accesses liquid strain agent, keeps temperature
20-25 DEG C, continue 25-30h；
E, centrifugal filtration: introducing filter two for access liquid strain agent degradation polymer waste liquid, carry out centrifugal filtration,
Further remove the sundries in waste liquid；
F, it collects: by the waste liquid centralized collection after centrifugal filtration to collecting tank.
It does not need to add other acid-base property by the way that acid waste liquid and alkaline waste liquor to be introduced directly into sedimentation basin, after mixing
Waste liquid of the waste liquid pH value that reagent can obtain between 6.5-7.5；Waste liquid is staticly settled to remove in sedimentation basin
Macromolecular sundries and sludge, and flocculation sedimentation is favorably accelerated by addition coagulant and flocculation aid, reduce the chemistry in waste liquid
Oxygen demand；Waste liquid can enable the suspended particles in waste liquid separate through one air bearing of filter, float to water with bubble
Face, formation foam is floating to be looked into, and the removal rate that can be improved the suspended particles in waste liquid is filtered through filter one；Waste liquid is in aerobic tank
It is interior, by access liquid strain agent come the COD in degradation polymer and reduction waste liquid；Waste liquid is used in filter two
Granule foreign in the removal waste liquid at the mode of centrifugal filtration more plan bottom.
In the method for treating waste liquid in above-mentioned 3D printing consumptive material ABS preparation, after step d accesses strain group, carry out continuous
Waste liquid is discharged from aerobic tank in continuous aeration 6h for aeration.The outer plus Air Exposure in aerobic tank, so as to be strain group
Oxygen supply, improves the rate of degradation polymer.
In the method for treating waste liquid in above-mentioned 3D printing consumptive material ABS preparation, the waste tank has collecting chamber, described
Garbage collection it is intracavitary be fixed with demarcation plate, collecting chamber is divided into upper collecting chamber and lower collecting chamber by the demarcation plate.Waste tank
Divide upper collecting chamber and lower collecting chamber to collect waste material, be not only convenient for waste disposal, and can be avoided mixing between waste material and cause
Secondary pollution.
In the method for treating waste liquid in above-mentioned 3D printing consumptive material ABS preparation, in step a, the sedimentation basin has interior
Chamber, and sedimentation basin, in closed, fluid reservoir one is connected to by inlet tube one with sedimentation basin inner cavity, fluid reservoir two passes through inlet tube two
It is connected to sedimentation basin inner cavity, is respectively arranged with liquid pump one and liquid pump two on the inlet tube one and inlet tube two；Described is heavy
Shallow lake pond inner wall is provided with pH value detection sensor, and pH value control panel is provided on sedimentation basin outer wall, and pH value control panel is logical
Route is crossed to be electrically connected with pH value detection sensor, liquid pump one, liquid pump two.
In the method for treating waste liquid in above-mentioned 3D printing consumptive material ABS preparation, in step a, the interior top of the sedimentation basin
It is fixed with waterproof machine one on wall, the output shaft of waterproof machine one straight down, and fix by the end of one output shaft of waterproof machine
There is agitating shaft, several stirring blades are fixed on agitating shaft.
Acid waste liquid and alkaline waste liquor pass through inlet tube one respectively and inlet tube two is introduced into sedimentation basin, one band of waterproof machine
Stirring blade rotation on dynamic agitating shaft realizes that acid waste liquid and alkaline waste liquor are uniformly mixed, meanwhile, the pH on sedimentation basin inner wall
Value control panel can adjust liquid pump one and liquid pump two according to the actual situation by pH value detection sensor to control acid waste liquid
With the feed liquor of alkaline waste liquor.
In the method for treating waste liquid in above-mentioned 3D printing consumptive material ABS preparation, in step b, the sedimentation basin inner cavity is set
It is equipped with filter screen, and sedimentation basin is divided into upper inner cavity and lower inner cavity by filter screen, waterproof machine one and stirring blade are respectively positioned on precipitating
One end of inner cavity on pond, inlet tube one and inlet tube two is respectively positioned on the lower inner cavity of sedimentation basin, and the cross section of the filter screen is in
Slippage is fixed with installing frame in sedimentation basin, strip-shaped clamp groove one and strip-shaped clamp groove two, the mistake is offered on the installing frame
The lower end of strainer be fixed with respectively with strip-shaped clamp groove one and the matched fixture block one of strip-shaped clamp groove two-phase and fixture block two, and fixture block one
Be arranged rubber sleeve on fixture block two, the sedimentation basin lower inner cavity is communicated with connecting tube one, the connecting tube one it is another
One end is connected to the lower collecting chamber of waste tank, is provided with slush pump in the connecting tube one.
Sedimentation basin filtering net is in Slippage, so as to preferably avoid the filter opening on filter screen from freeing blocking, filter screen
It is set on installing frame by fixture block one and the card of fixture block two, realizes detachable setting, convenient for the impurity on cleaning filter screen, and replaced
Filter screen, and the rubber sleeve by being arranged on fixture block one and fixture block two are changed, realizes and crosses tight fit with installing frame；Meanwhile it is heavy
Shallow lake pond staticly settles the lower collecting chamber that the macromolecular sundries to get off and sludge are delivered to waste tank by connecting tube one.
In the method for treating waste liquid in above-mentioned 3D printing consumptive material ABS preparation, in step c, the filter one has
Filter chamber one, being horizontally disposed in the filter chamber one of the filter one has the filter plate one to match with filter chamber one and filtering
Plate two, filter plate one are located at the surface of filter plate two, offer several filtering through-holes one, filter plate two on filter plate one vertically
With chamber, air pump is fixed on the outer wall of the filter one, the gas outlet of air pump is connected with escape pipe, and escape pipe is worn
Cross filter one and two chamber of filter plate, the upper and lower surfaces of filter plate two offer vertically several to be communicated with chamber
Through-hole two is filtered, the aperture of filtering through-hole one is all larger than the aperture of filter through-hole two, filter plate one and filter plate two for filter chamber one
Be divided into filter chamber one, middle filter chamber one and lower filter chamber one, be connected to inlet tube three in upper filter chamber one, inlet tube three it is another
One end is communicated with sedimentation basin, and liquid pump three is provided on inlet tube three.
In the method for treating waste liquid in above-mentioned 3D printing consumptive material ABS preparation, in step c, the one of the filter one
Vertical plane is made of transparent glass, and filter plate one is fixed on the inner wall of filter one, two opposite inner sidewalls of filter one
Offer sliding slot one and sliding slot two vertically respectively, and sliding is provided with sliding block one and sliding block two respectively in sliding slot one and sliding slot two,
Two opposite inner sidewalls of filter one are vertically fixed waterproof cylinder one and waterproof cylinder two, waterproof cylinder one and anti-aqueous vapor respectively
Straight down, the piston rod end of waterproof cylinder one and the piston rod end of waterproof cylinder two were each attached to the piston rod of cylinder two
The upper surface of filter plate one, and the both ends of filter plate one are fixed on sliding block one and sliding block two, are offered on the filter plate one
Circular groove is fixed with mounting ring in the inner bottom wall of circular groove, and the outer diameter of mounting ring is less than the diameter of circular groove, and installs
It is circumferential in the circular arc wall of ring equidistantly to offer several infiltration through-holes, between the upper surface and filter plate upper surface of mounting ring between
Away from for 3-6cm, and mounting ring upper surface is fixed with connecting tube two, and the opening of the connecting tube two is towards bottom in circular groove
Wall, the other end of the connecting tube two are connected to the upper collecting chamber of waste tank, are provided with liquid pump four in the connecting tube two,
And liquid pump four is fixed on the inner roof wall of filter one.
Waste liquid in sedimentation basin is entered in filter chamber one by inlet tube three, since the aperture of filtering through-hole one is big
In the aperture of filter through-hole two, then it can be achieved to carry out different grades of filtering twice to the waste liquid in filter one, avoid once mistake
It filters and filter plate clogging occurs.
Waste liquid enters middle filter chamber one after once being filtered by filter plate one, is filtered out by filter plate one miscellaneous
After object enters circular groove, entered in mounting ring by the infiltration through-hole in mounting ring, meanwhile, it is useless in middle filter chamber one
Liquid carries out in secondary filter process of osmosis by filter plate two, and air pump is supplied gas by escape pipe to the chamber of filter plate two, mistake
The indoor gas of two chamber of filter plate blows to waste liquid by filtering through-hole two, to enable suspended particles in water to separate, with bubble
The water surface on filter plate one is floated to, scum is formed, is formed by the circular groove that scum enters filter plate one
Afterwards, it is entered in mounting ring by the infiltration through-hole in mounting ring, is directly filtered scum and filter plate one by connecting tube two
Sundries out is sent to the upper collecting chamber of waste tank.In addition, a vertical plane of filter one is made of transparent glass, then it can be straight
See according to waste liquid amount in actual filtration device one, filter opposite to filter plate one is realized by waterproof cylinder one and waterproof cylinder two
The adjusting of spacing between plate two, to preferably collect scum.
In the method for treating waste liquid in above-mentioned 3D printing consumptive material ABS preparation, in step d, the aerobic tank is offered
Sink, and the sink of aerobic tank is connected with inlet tube four, the other end of inlet tube four and one phase of lower filter chamber in filter one
Connection, and liquid pump five is provided on inlet tube four；Sink is welded with aeration bracket and for storing liquid in the aerobic tank
The biologic packing material frame of inoculum agent, biologic packing material frame are located at aeration pedestal upper end, the aeration bracket and biologic packing material frame difference
With cavity one and cavity two, is offered on the biologic packing material frame and make somebody a mere figurehead the feed inlet that chamber two communicates, liquid with biologic packing material
State inoculum agent from feed inlet to biologic packing material make somebody a mere figurehead chamber two add, the lower end of the biologic packing material frame be connected with it is several with it is biological
The access tube that stuffing frame cavity two communicates offers several aerations communicated with aeration bracket cavity one on the aeration bracket
Hole is aerated on bracket and is fixed with Aeration fan, and the outlet side of Aeration fan is communicated with aeration bracket cavity one.
Waste liquid enters the lower filter chamber one in filter one after carrying out different grades of filtering twice in filter one,
Then aerobic tank is flowed to by inlet tube four, liquid strain agent is maked somebody a mere figurehead chamber two to biologic packing material from feed inlet and added, and biology is filled out
Expect the waste liquid flowed in aerobic tank that the liquid strain agent in aerial chamber two is more dispersed by access tube, and Aeration fan passes through exposure
Waste liquid of the gas bracket into aerobic tank is oxygenated, so as to improve degradation polymer and reduce the COD in waste liquid
Efficiency.
In the method for treating waste liquid in above-mentioned 3D printing consumptive material ABS preparation, in step e and f, the filter two has
There is filter chamber two, the filter chamber two of filter two is communicated with inlet tube five, and the other end of inlet tube five is connected with aerobic tank, and
Liquid pump six is provided on inlet tube five；Waterproof machine two and filter vat are equipped in the filter chamber two, the filter vat is in
Truncated cone-shaped offers several inlet openings on the arc outer wall of filter vat, and the upper bottom surface radius of filter vat is less than bottom radius surface,
The upper bottom surface of filter vat is provided with inlet tube six by sealing bearing rotation, and the other end of inlet tube six is pierced by filter two,
The traversing through end of inlet tube six is connected with collecting tank, and liquid pump seven is provided on inlet tube six, and waterproof machine two is fixed on filtering
In the inner bottom wall of device two, straight up, and the lower surface of filter vat is fixed on waterproof machine two to the output shaft of waterproof machine two
On output shaft.
Waste liquid in aerobic tank enters the filter chamber two of filter two by inlet tube five, and waste liquid passes through filter vat outer wall
On inlet opening enter in filter vat, then collecting tank is sent to by inlet tube six；Wherein, during the filtration process, in anti-water power
Filter vat is in rotary state under the action of machine two, so that the granule foreign in waste liquid be made to be in apocarpy, is difficult to be adsorbed on
On filter vat outer wall, not only filter vat is avoided to block using such structure, but also guarantees the validity of filtering.
Compared with prior art, the method for treating waste liquid in this 3D printing consumptive material ABS preparation has the advantage that
1, the present invention does not need to add it after mixing by the way that acid waste liquid and alkaline waste liquor to be introduced directly into sedimentation basin
Waste liquid of the waste liquid pH value that his acid-base property reagent can obtain between 6.5-7.5；It is heavy that waste liquid carries out standing in sedimentation basin
It forms sediment to remove macromolecular sundries and sludge, and flocculation sedimentation is favorably accelerated by addition coagulant and flocculation aid, reduces waste liquid
In COD；Waste liquid can enable the suspended particles in waste liquid separate through one air bearing of filter, with one floating of bubble
It is raised to the water surface, formation foam is floating to be looked into, and the removal rate that can be improved the suspended particles in waste liquid is filtered through filter one；Waste liquid exists
In aerobic tank, by access strain come the COD in degradation polymer and reduction waste liquid；Waste liquid is used in filter two
Granule foreign in the removal waste liquid at the mode of centrifugal filtration more plan bottom.
2, the present invention drives stirring blade rotation by waterproof machine one, realizes that acid waste liquid and alkaline waste liquor mixing are equal
Even, the pH value control panel on sedimentation basin inner wall can adjust liquid pump one and liquid by pH value detection sensor according to the actual situation
Pump two controls the feed liquor of acid waste liquid and alkaline waste liquor.
3, sedimentation basin filtering net is in Slippage in the present invention, stifled so as to preferably avoid the filter opening on filter screen from freeing
Plug, filter screen are set on installing frame by fixture block one and the card of fixture block two, realize detachable setting, convenient for miscellaneous on cleaning filter screen
Matter, and replacement filter screen, and the rubber sleeve by being arranged on fixture block one and fixture block two, realize and cross close-fitting with installing frame
It closes.
4, the waste liquid in the present invention enters middle filter chamber one after once being filtered by filter plate one, by filter plate one
After the sundries filtered out enters circular groove, entered in mounting ring by the infiltration through-hole in mounting ring, meanwhile, middle mistake
Waste liquid in filter chamber one carries out in secondary filter process of osmosis by filter plate two, and air pump passes through escape pipe to filter plate two
Chamber is supplied gas, and the indoor gas of two chamber of filter plate blows to waste liquid by filtering through-hole two, so that suspended particles in water is enable to separate,
The water surface on filter plate one is floated to bubble, scum is formed, is formed by scum and enters filter plate one
Circular groove after, entered in mounting ring by the infiltration through-hole in mounting ring, by connecting tube two directly by scum and
The sundries that filter plate one filters out is sent to the upper collecting chamber of waste tank.
5, the waste liquid in the present invention in filter two enters in filter vat by the inlet opening on filter vat outer wall, then leads to
It crosses inlet tube six and is sent to collecting tank；Wherein, during the filtration process, filter vat is in rotation shape under the action of waterproof machine two
State is difficult to be adsorbed on filter vat outer wall, not using such structure so that the granule foreign in waste liquid be made to be in apocarpy
Only filter vat is avoided to block, and guarantees the validity of filtering.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the configuration schematic diagram of the sedimentation basin in the present invention；
Fig. 3 is the schematic cross-sectional view of filter one in the present invention；
Fig. 4 is the schematic perspective view of mounting ring in the present invention；
Fig. 5 is the configuration schematic diagram of aerobic tank in the present invention；
Fig. 6 is the schematic cross-sectional view of filter two in the present invention.
In figure, 1, fluid reservoir one；2, inlet tube one；3, fluid reservoir two；4, inlet tube two；5, sedimentation basin；6, waterproof machine
One；7, stirring blade；8, filter screen；9, installing frame；10, fixture block one；11, fixture block two；12, inlet tube three；13, filter one；
14, filter plate one；15, filter plate two；16, upper filter chamber one；17, middle filter chamber one；18, lower filter chamber one；19, air pump；20,
Escape pipe；21, sliding block one；22, sliding block two；23, waterproof cylinder one；24, waterproof cylinder two；25, circular groove；26, mounting ring；
27, inlet tube four；28, aerobic tank；29, biologic packing material frame；30, it is aerated bracket；31, Aeration fan；32, inlet tube five；33, mistake
Filter two；34, waterproof machine two；35, filter vat；36, inlet tube six；37, collecting tank；38, connecting tube one；39, connecting tube two；
40, waste tank.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, the method for treating waste liquid in a kind of 3D printing consumptive material ABS preparation, which is characterized in that including following step
It is rapid:
A, pH value is adjusted: the acid waste liquid generated in 3D printing consumptive material ABS preparation is collected in fluid reservoir 1, generation
Alkaline waste liquor is collected in fluid reservoir 23, and acid waste liquid and alkaline waste liquor are introduced into sedimentation basin 5, mixed, is made mixed
Waste liquid pH value is between 6.5-7.5；
B, coagulant precipitation: coagulant and flocculation aid are successively added to sedimentation basin 5, coagulant polymeric iron polymerize concentration of iron
Sludge in sedimentation basin 5 is collected into waste tank 40 by 90mg/L, flocculation aid polyethylene glycol, Polyethylene glycol 7mg/L, is given up
Batch can 40 has collecting chamber, and garbage collection is intracavitary to be fixed with demarcation plate, and collecting chamber is divided into upper collecting chamber and lower collection by demarcation plate
Chamber, waste tank 40 divide collecting chamber and lower collecting chamber to collect waste material, are not only convenient for waste disposal, and can be avoided waste material it
Between mixing cause secondary pollution；
C, air bearing, filtering: the waste liquid after coagulant precipitation is introduced in filter 1, suspension is removed by air-float filtration
Particle and impurity, by filter 1 suspended particulate and impurity be collected into waste tank 40；
D, it accesses liquid strain agent: the waste liquid after air-float filtration being introduced into aerobic tank 28, accesses liquid strain agent, keeps temperature
25 DEG C of degree continues 25h, after step d accesses strain groups, carries out continuous aeration, after continuous aeration 6h, by waste liquid from aerobic tank 28
Discharge, the outer plus Air Exposure in aerobic tank 28 improve the rate of degradation polymer so as to be strain group oxygen supply；
E, centrifugal filtration: access liquid strain agent degradation polymer waste liquid is introduced into filter 2 33, be centrifuged
Filter further removes the sundries in waste liquid；
F, it collects: by the waste liquid centralized collection after centrifugal filtration to collecting tank 37.
As shown in Fig. 2, in step a, sedimentation basin 5 has an inner cavity, and sedimentation basin 5, in closed, fluid reservoir 1 passes through feed liquor
Pipe 1 is connected to 5 inner cavity of sedimentation basin, and fluid reservoir 23 is connected to by inlet tube 24 with 5 inner cavity of sedimentation basin, inlet tube 1 and into
Liquid pump one and liquid pump two are respectively arranged in liquid pipe 24；5 inner wall of sedimentation basin is provided with pH value detection sensor, and outside sedimentation basin 5
PH value control panel is provided on wall, pH value control panel is electrically connected by route with pH value detection sensor, liquid pump one, liquid pump two
It connects.Be fixed with waterproof machine 1 on the inner roof wall of sedimentation basin 5, the output shaft of waterproof machine 1 straight down, and waterproof machine
The end of one 6 output shafts is fixed with agitating shaft, and several stirring blades 7 are fixed on agitating shaft.Acid waste liquid and alkaline waste liquor point
Not Tong Guo inlet tube 1 and inlet tube 24 be introduced into sedimentation basin 5, waterproof machine 1 drives 7 turns of stirring blade on agitating shaft
It is dynamic, realize that acid waste liquid and alkaline waste liquor are uniformly mixed, meanwhile, the pH value control panel on 5 inner wall of sedimentation basin is examined by pH value
Liquid pump one and liquid pump two can be adjusted according to the actual situation to control the feed liquor of acid waste liquid and alkaline waste liquor by surveying sensor.
In step b, 5 inner cavity of sedimentation basin is provided with filter screen 8, and sedimentation basin 5 is divided into upper inner cavity and lower interior by filter screen 8
Chamber, waterproof machine 1 and stirring blade 7 are respectively positioned on inner cavity on sedimentation basin 5, and one end of inlet tube 1 and inlet tube 24 is respectively positioned on
The lower inner cavity of sedimentation basin 5, the cross section of filter screen 8 are in Slippage, are fixed with installing frame 9 in sedimentation basin 5, offer on installing frame 9
Strip-shaped clamp groove one and strip-shaped clamp groove two, the lower end of filter screen 8 be fixed with respectively with strip-shaped clamp groove one and strip-shaped clamp groove two-phase
The fixture block 1 and fixture block 2 11 matched, and rubber sleeve is arranged on fixture block 1 and fixture block 2 11, the connection of 5 lower inner cavity of sedimentation basin
There is connecting tube 1, the other end of connecting tube 1 is connected to the lower collecting chamber of waste tank 40, and pumping is provided in connecting tube 1
Dredge pump.5 filtering net 8 of sedimentation basin is in Slippage, so as to preferably avoid the filter opening on filter screen 8 from freeing blocking, filter screen 8
It is set on installing frame 9 by fixture block 1 and the card of fixture block 2 11, realizes detachable setting, convenient for the impurity on cleaning filter screen 8,
And replacement filter screen 8, and the rubber sleeve by being arranged on fixture block 1 and fixture block 2 11, it realizes and 9 tension of installing frame
Cooperation；Meanwhile sedimentation basin 5 staticly settles the macromolecular sundries to get off and sludge and is delivered to waste tank 40 by connecting tube 1
Lower collecting chamber.
As shown in Figure 3 and Figure 4, in step c, filter 1 has filter chamber one, in the filter chamber one of filter 1
Horizontally disposed to have the filter plate 1 and filter plate 2 15 to match with filter chamber one, filter plate 1 is located at filter plate 2 15
Surface, offers several filtering through-holes one on filter plate 1 vertically, and filter plate 2 15 has a chamber, filter 1 it is outer
Air pump 19 is fixed on wall, the gas outlet of air pump 19 is connected with escape pipe 20, and escape pipe 20 passes through filter 1 and filtering
2 15 chamber of plate, the upper and lower surfaces of filter plate 2 15 offer several filtering through-holes two communicated with chamber, mistake vertically
The aperture of filter through-hole one is all larger than the aperture of filter through-hole two, and filter plate 1 and filter plate 2 15 divide filter chamber one for upper filtering
Chamber 1, middle filter chamber 1 and lower filter chamber 1 have been connected to inlet tube 3 12 in upper filter chamber 1, inlet tube 3 12
The other end is communicated with 5 inner cavity of sedimentation basin, and liquid pump three is provided on inlet tube 3 12.One vertical plane of filter 1 is using transparent
Glass is made, and filter plate 1 is fixed on the inner wall of filter 1, and the opposite two inner sidewalls difference of filter 1 is vertical
Sliding slot one and sliding slot two are offered, and sliding is provided with sliding block 1 and sliding block 2 22 respectively in sliding slot one and sliding slot two, filtered
Two opposite inner sidewalls of device 1 are vertically fixed waterproof cylinder 1 and waterproof cylinder 2 24 respectively, waterproof cylinder 1 and anti-
The piston rod of aqueous vapor cylinder 2 24 straight down, the piston rod end of waterproof cylinder 1 and the piston rod end of waterproof cylinder 2 24
It is each attached to the upper surface of filter plate 1, and the both ends of filter plate 1 are fixed on sliding block 1 and sliding block 2 22, filtered
Circular groove 25 is offered on plate 1, mounting ring 26 is fixed in the inner bottom wall of circular groove 25, and the outer diameter of mounting ring 26 is small
In the diameter of circular groove 25, and several infiltration through-holes, mounting ring 26 are circumferentially equidistantly offered in the circular arc wall of mounting ring 26
Upper surface and filter plate upper surface between spacing be 3-6cm, and 26 upper surface of mounting ring is fixed with connecting tube 2 38, connection
The opening of pipe 2 38 is connected to towards 25 inner bottom wall of circular groove, the other end of connecting tube 2 38 with the upper collecting chamber of waste tank 40,
Liquid pump four is provided in connecting tube 2 38, and liquid pump four is fixed on the inner roof wall of filter 1.
Waste liquid in sedimentation basin 5 is entered in filter chamber 1 by inlet tube 3 12, due to filtering the hole of through-hole one
Diameter is all larger than the aperture of filter through-hole two, then can be achieved to carry out different grades of filtering twice to the waste liquid in filter 1, keep away
Exempt from once to filter and filter plate clogging occur.Waste liquid carries out entering middle filter chamber one after once filtering by filter plate 1
17, after entering circular groove 25 by the sundries that filter plate 1 filters out, entered by the infiltration through-hole in mounting ring 26
Into mounting ring 26, meanwhile, the waste liquid in middle filter chamber 1 carries out in secondary filter process of osmosis by filter plate 2 15,
Air pump 19 is supplied gas by escape pipe 20 to the chamber of filter plate 2 15, and the indoor gas of 2 15 chamber of filter plate is blown by filtering through-hole two
To waste liquid, so that suspended particles in water be enable to separate, the water surface on filter plate 1 is floated to bubble, forms foam
Dross is formed by after scum enters the circular groove 25 of filter plate 1, passes through the infiltration through-hole in mounting ring 26
It enters in mounting ring 26, the sundries that scum and filter plate one filter out directly is sent to by waste tank 40 by connecting tube 2 38
Upper collecting chamber.In addition, a vertical plane of filter 1 is made of transparent glass, then it can be intuitively according to actual filtration device
Waste liquid amount in one 13 is realized to filter plate 1 by waterproof cylinder 1 and waterproof cylinder 2 24 with respect between filter plate 2 15
The adjusting of spacing, to preferably collect scum.
As shown in figure 5, aerobic tank 28 offers sink, and the sink of aerobic tank 28 is connected with inlet tube four in step d
27, the other end of inlet tube 4 27 is connected with the lower filter chamber 1 in filter 1, and is provided on inlet tube 4 27
Liquid pump five；Sink is welded with aeration bracket 30 and the biologic packing material frame 29 for storing liquid strain agent, biology in aerobic tank 28
Stuffing frame 29 is located at aeration 30 upper end of bracket, is aerated bracket 30 and biologic packing material frame 29 is respectively provided with cavity one and cavity two, raw
The feed inlet communicated with 29 cavity two of biologic packing material frame is offered on object stuffing frame 29, liquid strain agent is filled out from feed inlet to biology
Expect the addition of 29 cavity two of frame, the lower end of biologic packing material frame 29 is connected with several accesses communicated with 29 cavity two of biologic packing material frame
Pipe is aerated and offers several solarization air caps communicated with aeration 30 cavity one of bracket on bracket 30, is aerated on bracket 30 and is fixed with exposure
Gas blower 31, and the outlet side of Aeration fan 31 is communicated with aeration 30 cavity one of bracket.Waste liquid carries out two in filter 1
The lower filter chamber 1 in filter 1 is entered after secondary different grades of filtering, is then flowed to by inlet tube 4 27 aerobic
Pond 28, liquid strain agent is added from feed inlet to 29 cavity two of biologic packing material frame, and the liquid in 29 cavity two of biologic packing material frame
The waste liquid flowed in aerobic tank 28 that inoculum agent is more dispersed by access tube, and Aeration fan 31 by aeration bracket 30 to aerobic
Waste liquid in pond 28 is oxygenated, so as to improve degradation polymer and reduce the efficiency of the COD in waste liquid.
As shown in fig. 6, filter 2 33 has filter chamber two in step e and f, the filter chamber two of filter 2 33 is connected to
There is inlet tube 5 32, the other end of inlet tube 5 32 is connected with aerobic tank 28, and liquid pump six is provided on inlet tube 5 32；It crosses
Waterproof machine 2 34 and filter vat 35 are equipped in filter chamber two, filter vat 35 is in truncated cone-shaped, is opened up on the arc outer wall of filter vat 35
There are several inlet openings, and the upper bottom surface radius of filter vat 35 is less than bottom radius surface, the upper bottom surface of filter vat 35 passes through sealing
Bearing rotation is provided with inlet tube 6 36, and the other end of inlet tube 6 36 is pierced by filter 2 33, the traversing through end of inlet tube 6 36
It is connected with collecting tank 37, and is provided with liquid pump seven on inlet tube 6 36, waterproof machine 2 34 is fixed on the interior of filter 2 33
On bottom wall, straight up, and the lower surface of filter vat 35 is fixed on the defeated of waterproof machine 2 34 to the output shaft of waterproof machine 2 34
On shaft.Waste liquid in aerobic tank 28 enters the filter chamber two of filter 2 33 by inlet tube 5 32, and waste liquid is by filtering
Inlet opening on 35 outer walls of bucket enters in filter vat 35, then is sent to collecting tank 37 by inlet tube 6 36；Wherein, filtered
Cheng Zhong, filter vat 35 is in rotary state under the action of waterproof machine 2 34, thus make granule foreign in waste liquid be in from
Heart shaped state is difficult to be adsorbed on 35 outer wall of filter vat, not only avoids filter vat 35 from blocking using such structure, but also guaranteed
The validity of filter.
In summary, it by the way that acid waste liquid and alkaline waste liquor to be introduced directly into sedimentation basin 5, does not need to add after mixing
Waste liquid of the waste liquid pH value that other acid-base property reagents can obtain between 6.5-7.5；Waste liquid is stood in sedimentation basin 5
Precipitating favorably accelerates flocculation sedimentation by addition coagulant and flocculation aid to remove macromolecular sundries and sludge, reduces useless
COD in liquid；Waste liquid can enable the suspended particles in waste liquid separate through one 13 air bearing of filter, with bubble one
It rises and floats to the water surface, formation foam is floating to be looked into, and filters the removal rate that can be improved the suspended particles in waste liquid through filter 1；
Waste liquid is in aerobic tank 28, by access liquid strain agent come the COD in degradation polymer and reduction waste liquid；Waste liquid
Filter 2 33 by the way of centrifugal filtration more plan bottom removal waste liquid in granule foreign.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, fluid reservoir one is used more herein；2, inlet tube one；3, fluid reservoir two；4, inlet tube two；5, it sinks
Shallow lake pond；6, waterproof machine one；7, stirring blade；8, filter screen；9, installing frame；10, fixture block one；11, fixture block two；12, inlet tube
Three；13, filter one；14, filter plate one；15, filter plate two；16, upper filter chamber one；17, middle filter chamber one；18, lower filtering
Chamber one；19, air pump；20, escape pipe；21, sliding block one；22, sliding block two；23, waterproof cylinder one；24, waterproof cylinder two；25, circle
Connected in star；26, mounting ring；27, inlet tube four；28, aerobic tank；29, biologic packing material frame；30, it is aerated bracket；31, Aeration fan；
32, inlet tube five；33, filter two；34, waterproof machine two；35, filter vat；36, inlet tube six；37, collecting tank；38, it connects
Guan Yi；39, connecting tube two；40, the terms such as waste tank, but it does not exclude the possibility of using other terms.Use these terms
It is only for the convenience of describing and explaining the nature of the invention；Be construed as any additional limitation all and be with
What spirit of that invention was disagreed.
Claims (9)
1. the method for treating waste liquid in a kind of 3D printing consumptive material ABS preparation, which comprises the following steps:
A, pH value is adjusted: the acid waste liquid generated in 3D printing consumptive material ABS preparation being collected in fluid reservoir one, the alkalinity of generation is useless
Liquid is collected in fluid reservoir two, and acid waste liquid and alkaline waste liquor are introduced into sedimentation basin, mixed, and makes mixed waste liquid pH value
Between 6.5-7.5；
B, coagulant precipitation: coagulant and flocculation aid are successively added to sedimentation basin, coagulant polymeric iron polymerize concentration of iron 85-95mg/
Sludge in sedimentation basin is collected into waste tank by L, flocculation aid polyethylene glycol, Polyethylene glycol 6-7mg/L, and described is useless
Batch can has collecting chamber, and the garbage collection is intracavitary to be fixed with demarcation plate, and collecting chamber is divided into upper collection by the demarcation plate
Chamber and lower collecting chamber；
C, air-float filtration: waste liquid after coagulant precipitation is introduced in filter one, removed by air-float filtration suspended particulate and
Impurity, by filter one suspended particulate and impurity be collected into waste tank；
D, it accesses liquid strain agent: the waste liquid after air-float filtration being introduced into aerobic tank, accesses liquid strain agent, keeps temperature 20-
25 DEG C, continue 25-30h；
E, centrifugal filtration: access liquid strain agent degradation polymer waste liquid is introduced into filter two, centrifugal filtration is carried out, into one
Particle sundries in step removal waste liquid；
F, it collects: by the waste liquid centralized collection after centrifugal filtration to collecting tank.
2. the method for treating waste liquid in 3D printing consumptive material ABS preparation according to claim 1, which is characterized in that step d connects
After entering strain group, after carrying out continuous aeration 6h, waste liquid is discharged from aerobic tank.
3. the method for treating waste liquid in 3D printing consumptive material ABS preparation according to claim 1, which is characterized in that step a
In, the sedimentation basin has inner cavity, and sedimentation basin, in closed, fluid reservoir one is connected by inlet tube one and sedimentation basin inner cavity
Logical, fluid reservoir two is connected to by inlet tube two with sedimentation basin inner cavity, is respectively arranged on the inlet tube one and inlet tube two
Liquid pump one and liquid pump two；The sedimentation basin inner wall is provided with pH value detection sensor, and is provided with pH value on sedimentation basin outer wall
Control panel, pH value control panel are electrically connected by route with pH value detection sensor, liquid pump one, liquid pump two.
4. the method for treating waste liquid in 3D printing consumptive material ABS preparation according to claim 3, which is characterized in that step a
In, be fixed with waterproof machine one on the inner roof wall of the sedimentation basin, the output shaft of waterproof machine one straight down, and anti-water power
The end of one output shaft of machine is fixed with agitating shaft, on agitating shaft on be fixed with several stirring blades.
5. the method for treating waste liquid in 3D printing consumptive material ABS preparation according to claim 4, which is characterized in that step b
In, the sedimentation basin inner cavity is provided with filter screen, and sedimentation basin is divided into upper inner cavity and lower inner cavity, waterproof machine one by filter screen
Inner cavity on sedimentation basin is respectively positioned on stirring blade, and one end of inlet tube one and inlet tube two is respectively positioned on the lower inner cavity of sedimentation basin, institute
The cross section for the filter screen stated is in Slippage, is fixed with installing frame in sedimentation basin, strip-shaped clamp groove one is offered on the installing frame
With strip-shaped clamp groove two, the lower end of the filter screen be fixed with respectively with strip-shaped clamp groove one and the matched card of strip-shaped clamp groove two-phase
Block one and fixture block two, and rubber sleeve is arranged on fixture block one and fixture block two, the sedimentation basin inner cavity is communicated with connecting tube one,
The other end of the connecting tube one is connected to the lower collecting chamber of waste tank, is provided with slush pump in the connecting tube one.
6. the method for treating waste liquid in 3D printing consumptive material ABS preparation according to claim 1, which is characterized in that step c
In, the filter one has filter chamber one, and being horizontally disposed in the filter chamber one of the filter one has and filter chamber one
The filter plate one and filter plate two to match, filter plate one are located at the surface of filter plate two, offer vertically on filter plate one
Several filtering through-holes one, filter plate two have chamber, are fixed with air pump, the gas outlet of air pump on the outer wall of the filter one
It is connected with escape pipe, and escape pipe passes through filter one and two chamber of filter plate, the upper and lower surfaces of filter plate two are vertical
Several filtering through-holes two communicated with chamber are offered, the aperture of filtering through-hole one is all larger than the aperture of filter through-hole two, filter plate
One and filter plate two filter chamber one is divided for upper filter chamber one, middle filter chamber one and lower filter chamber one, connection in upper filter chamber one
Inlet tube three, the other end of inlet tube three are communicated with sedimentation basin, and liquid pump three is provided on inlet tube three.
7. the method for treating waste liquid in 3D printing consumptive material ABS preparation according to claim 6, which is characterized in that step c
In, a vertical plane of the filter one is made of transparent glass, and filter plate one is fixed on the inner wall of filter one, mistake
Two opposite inner sidewalls of filter one offer sliding slot one and sliding slot two vertically respectively, and sliding is set respectively in sliding slot one and sliding slot two
It is equipped with sliding block one and sliding block two, two opposite inner sidewalls of filter one are vertically fixed waterproof cylinder one and waterproof cylinder respectively
Two, the piston rod of waterproof cylinder one and waterproof cylinder two straight down, the piston rod end of waterproof cylinder one and waterproof cylinder two
Piston rod end be each attached to the upper surface of filter plate one, and the both ends of filter plate one are fixed on sliding block one and sliding block two,
Circular groove is offered on the filter plate one, mounting ring is fixed in the inner bottom wall of circular groove, and the outer diameter of mounting ring is small
In the diameter of circular groove, and several infiltration through-holes, the upper table of mounting ring are circumferentially equidistantly offered in the circular arc wall of mounting ring
Spacing between face and filter plate upper surface is 3-6cm, and mounting ring upper surface is fixed with connecting tube two, the connecting tube two
Opening towards circular groove inner bottom wall, the other end of the connecting tube two is connected to the upper collecting chamber of waste tank, described
Liquid pump four is provided in connecting tube two, and liquid pump four is fixed on the inner roof wall of filter one.
8. the method for treating waste liquid in 3D printing consumptive material ABS preparation according to claim 1, which is characterized in that step d
In, the aerobic tank offers sink, and the sink of aerobic tank is connected with inlet tube four, the other end of inlet tube four and filtering
Lower filter chamber one in device one is connected, and liquid pump five is provided on inlet tube four；Sink is welded with exposure in the aerobic tank
Gas bracket and biologic packing material frame for storing liquid strain agent, biologic packing material frame are located at aeration pedestal upper end, the aeration
Bracket and biologic packing material frame are respectively provided with cavity one and cavity two, offer on the biologic packing material frame aerial with biologic packing material
The feed inlet that chamber two communicates, liquid strain agent are maked somebody a mere figurehead chamber two to biologic packing material from feed inlet and are added, the biologic packing material frame
Lower end is connected with several access tubes communicated with the aerial chamber two of biologic packing material, offers several and aeration on the aeration bracket
The solarization air cap that bracket cavity one communicates is aerated on bracket and is fixed with Aeration fan, and the outlet side of Aeration fan and aeration bracket
Cavity one communicates.
9. the method for treating waste liquid in 3D printing consumptive material ABS according to claim 8 preparation, which is characterized in that step e and
In f, the filter two has filter chamber two, and the filter chamber two of filter two is communicated with inlet tube five, inlet tube five it is another
One end is connected with aerobic tank, and liquid pump six is provided on inlet tube five；Two He of waterproof machine is equipped in the filter chamber two
Filter vat, the filter vat are in truncated cone-shaped, offer several inlet openings, and the upper bottom of filter vat on the arc outer wall of filter vat
Radius surface is less than bottom radius surface, and the upper bottom surface of filter vat is provided with inlet tube six, inlet tube six by sealing bearing rotation
The other end be pierced by filter two, the traversing through end of inlet tube six is connected with collecting tank, and liquid pump seven is provided on inlet tube six,
Waterproof machine two is fixed in the inner bottom wall of filter two, the output shaft of waterproof machine two straight up, and the following table of filter vat
Face is fixed on the output shaft of waterproof machine two.
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| CN201810134443.8A CN110156245A (en) | 2018-02-09 | 2018-02-09 | A kind of method for treating waste liquid in 3D printing consumptive material ABS preparation |
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Application publication date: 20190823 |