CN106745599A - Non-crystalline silica inorganic agent and the technique and equipment with its treatment sewage - Google Patents
Non-crystalline silica inorganic agent and the technique and equipment with its treatment sewage Download PDFInfo
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- CN106745599A CN106745599A CN201611171468.2A CN201611171468A CN106745599A CN 106745599 A CN106745599 A CN 106745599A CN 201611171468 A CN201611171468 A CN 201611171468A CN 106745599 A CN106745599 A CN 106745599A
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
-
- 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
- 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
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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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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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
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
-
- 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
- C02F3/30—Aerobic and anaerobic processes
Abstract
The present invention provides a kind of non-crystalline silica inorganic agent and the technique and equipment of sewage is processed with it.The non-crystalline silica inorganic agent is obtained by mixing with flocculant by non-crystalline silica by following mass ratio：Non-crystalline silica:Flocculant=6.5 7.9:3.5‑2.1.Non-crystalline silica inorganic agent is added in sewage, in feeding non-crystalline silica processing equipment, while the pollutant in sewage is adsorbed, flocculated, self-assembling formation non-crystalline silica nanometer micropore filter layer, so as to the pollutant in high efficiency filter sewage, upwards and from delivery port discharge, the sludge liquid containing non-crystalline silica is back to biological tank to clear water, form bio-carrier in biological tank, and sludge settling by sewage draining exit to being discharged behind bottom.Water outlet is met and exceeded each discharge standard of the one-level A standards of GB18918 2002 and national regulation, realize sewage recycling, sludge recycling.
Description
Technical field
The technique and equipment of sewage are processed the present invention relates to a kind of non-crystalline silica inorganic agent and using the inorganic agent,
Belong to environmental protection Processes and apparatus technical field.
Background technology
With the continuous improvement of people's living standard, and urban construction paces quickening, sanitary sewage and industrial wastewater
Treatment, it has also become the most important thing of environmental protection, timely and effective can not such as process, serious will threaten the living environment of the mankind.
Sewage water treatment method of the prior art mainly has following two kinds：
First, chemical flocculation
The method heavy metal, phosphorus, colourity removal effect preferably, it is but then poor to the removal effect of ammonia nitrogen and organic matter, and
Can because produce a large amount of sludge and caused by secondary pollution.
2nd, bioanalysis
Bioanalysis has good removal effect to organic pollution and ammonia nitrogen, phosphorus, but heavy metal, SS, colourity and it is poisonous, have
The removal effect of evil material is poor, and especially when concentration and temperature change, the water outlet after treatment is unable to stably reaching standard, while
Needing to use substantial amounts of chemical floc could complete the dehydration of sludge, and this necessarily makes the sludge after dehydration not only containing all dirty
Dye thing, more containing poisonous, harmful chemical floc, equally causes serious secondary pollution.
Therefore, enough recycled to use water energy, realize sewage recycling, reach zero-emission, and solve secondary pollution
Problem, it is necessary to develop new sewage-treating agent and adaptable processing equipment and processing method.
The content of the invention
First purpose of the invention is to provide a kind of non-crystalline silica inorganic agent.
Second object of the present invention is to provide a kind of use non-crystalline silica inorganic agent to process the noncrystal of sewage
Silica-treated equipment.
Third object of the present invention is to provide the system that a kind of use non-crystalline silica inorganic agent processes sewage.
Fourth object of the present invention is to provide a kind of method that use non-crystalline silica inorganic agent processes sewage.
First purpose of the invention is realized by following technical proposal：A kind of non-crystalline silica inorganic agent, it is special
Levy is that it is obtained by mixing with flocculant by non-crystalline silica by following mass ratio：Non-crystalline silica:Flocculant
= 6.5-7.9 : 3.5-2.1。
The flocculant is one or more in aluminium polychloride, aluminum sulfate, ferric trichloride, polyacrylamide, and several
Kind mixing be any mass ratio, specific kind of selection depending on sewage property, sewage main component different and specifically determine.
The flocculant can also be conventional inorganic flocculating agent or organic polymer coargulator, can be according to different sewage kinds
Class selects different flocculants.
The non-crystalline silica is obtained by following method：Diatomite is levigate to -0.074mm, add water and be mixed into
Mass concentration is the ore pulp of 30-45%, is cleaned 20-25 minutes under conditions of 130-200 revs/min, adds water dilution pulp density
To 15-25%, disperse 2-5 minutes under conditions of 1440-2800 revs/min, while 20-25 grams of amount is added by raw ore per ton, plus
Enter dispersant, separated through one-level, the crystalline silica impurity in diatomite（Quartz sand etc.）Separate removal；Again through two fractions
From making non-crystalline silica（Diatom）Sedimentation, and the impurity in diatomite：Montomorillonite, illite, kaolinite, water tiny stream mica
Then left away with moisture and removed；The non-crystalline silica of sedimentation（Diatom）After drying, non-crystalline silica is obtained.
The dispersant is one or more in calgon, sodium metasilicate, NaOH, and several mixing is equal
It is any mass ratio.
The one-level, the equipment of the second-order separation are conventional multistage seperator.
The non-crystalline silica is the diatom of the opal composition containing the crystallization water, and chemical composition is non-crystalline silica
Silicon, its structure is nanometer micropore.
In the non-crystalline silica：Non-crystalline silica proportion is 2.2-2.4, and content is 65-85%, diatom amount
70-90% is accounted for, crystalline silica proportion is 2.6, and content is 1-5% , Qian≤50 PPM , Shen≤6 PPM, scaling loss Liang≤5%, pH
Value 6-8, tight heap Mi Du≤0.45.
The diatomite be with Patent No. 96117368.8 filed in 10 days December in 1996 of the applicant, it is entitled
The patent of invention of " physical ore dressing of super low grade infusorial earth method and apparatus ", or 2 months 2001 patents filed in 22 days
Number it is 01107179.6, the product of the patent of invention of entitled " superfine particle electrostatic separation beneficiation method and its system " production.
Second object of the present invention is completed by following technical proposal：A kind of non-crystalline silica processing equipment, bag
Include the conical shell with cavity, it is characterised in that conical shell top is provided with water outlet weir notch, bottom and is provided with mud discharging mouth, in the cavities
Heart position is provided with vertical water inlet pipe, and the vertical water inlet pipe inside is a Room, and the open upper end of the vertical water inlet pipe, lower end pass through cone
Shape housing bottom stretches out, and is provided with cylinder in the cavities and positioned at vertical water inlet pipe periphery, the cylinder and vertical water inlet pipe it
Between be two Room, the upper end of the cylinder is connected with conical shell top, lower end and conical shell bottom holding spacing, cylinder and taper
It is depositing reservoir between housing wall, the sewage for being mixed with non-crystalline silica inorganic agent first sends into a Room and enters back into two Room, Zhi Houcong
Two Room enter depositing reservoir, and effluent flow rate can be with 450The sectional area of the conical shell of angle of repose upwards gradually expand while and by
Gradually reduce, make non-crystalline silica inorganic agent while the dirt in sewage is adsorbed, flocculated, the shape in depositing reservoir
Into the nanometer micropore filter layer of non-crystalline silica, so that high efficiency filter pollutant and water, the water of filtration is allowed to rise by going out
Mill weir groove is flowed out, and the sludge that pollutant is formed is discharged after being then deposited to bottom by mud discharging mouth.
Conical shell top is provided with weir notch, and the weir notch includes big ring recess, middle ring recess, small ring recess, small ring recess with it is big
Radial direction strip grooves are provided between ring recess, radial direction billet groove is provided between middle ring recess and big ring recess, and it is big ring recess, middle ring recess, small
Ring recess, radial direction strip grooves, radial direction billet groove are interconnected, and two sides per bar groove are all provided with being tooth side.
The inclination angle of the conical shell body wall is 45-55 degree.
The conical shell is cone or polygonal cone.
Third object of the present invention is completed by following technical proposal：One kind is processed with non-crystalline silica inorganic agent
The system of sewage, including regulating reservoir, grid, sediment by rotational flow equipment, anaerobic pond, Aerobic Pond, air blower, sterilizing equipment decontaminating apparatus, storage basin,
The conventional equipments such as tank, and non-crystalline silica processing equipment, mutual set location and with noncrystal two
The set location of the equipment of silica inorganic agent treatment sewage, specifically determines depending on the different of sewage species.
Fourth object of the present invention is completed by following technical proposal：One kind is processed with non-crystalline silica inorganic agent
The method of sewage, including pH value of sewage water is adjusted, floating object in sewage and coarse sand is separated, sewage is carried out it is aerobic
The conventional steps of the sterilization processing that carried out disinfection with Anaerobic Treatment or/and to sewage, it is characterised in that also including being carried out to sewage
Following non-crystalline silica treatment：
A, sewage is sent into non-crystalline silica processing equipment before, 20-100 grams of amount is delivered by sewage per ton, to sewage
Middle input non-crystalline silica inorganic agent, the non-crystalline silica inorganic agent is obtained by mixing by the component of following mass ratio：
Non-crystalline silica:Flocculant=6.5-7.9: 3.5-2.1；
B, the sewage for being blended with non-crystalline silica inorganic agent, are processed with the flow velocity feeding non-crystalline silica of 2-3m/s
During the vertical water inlet pipe of equipment is a Room, in entering back into two Room between vertical water inlet pipe and cylinder, in finally entering depositing reservoir,
Effluent flow rate is slowed to 0.1-0.5mm/s with the expansion of depositing reservoir sectional area, allow non-crystalline silica inorganic agent right
While pollutant in sewage is fully adsorbed, flocculated, the self-assembling formation non-crystalline silica sodium rice micropore mistake in depositing reservoir
Filtering layer so that filtering contaminants and water, clear water risen with the rate of climb of 0.1-0.5mm/s after by after water outlet weir notch from water outlet
Mouth overflows, and after pollutant is with 0.5-1.5mm/s velocity sedimentations to bottom, is discharged through mud discharging mouth.
Residence time of the sewage in non-crystalline silica processing equipment is 3-5 hours.
Described non-crystalline silica treatment is at least once.
Described is adjusted to pH value of sewage water, and floating object in sewage and coarse sand are separated, sewage is carried out it is aerobic,
Anaerobic Treatment, carries out disinfection, sterilization processing to sewage, and the non-crystalline silica treatment carried out to sewage order, depending on
Different sewage treatment is specific to be determined.
The present invention has following advantages and effect：
1st, the non-crystalline silica inorganic agent that the present invention is provided, is nontoxic, harmless sewage-treating agent, not only poly- with electrostatic
Conjunction is the ratio table of the effect of physics flocculation, the pollutant in flocculation sewage, and the huge nanometer micropore of non-crystalline silica
Area, can make depth adsorption treatment instead of activated carbon in sewage disposal, make odorless after sewage disposal；Formed within a processor
The nanometer micropore filter layer of non-crystalline silica can substitute micro-pore-film filtration, high efficiency filter pollutant；In addition, noncrystal two
Silica forms bio-carrier in biological tank, makes microorganism in the carbon source of the nanometer micropore surface enrichment of non-crystalline silica
Upper quick, efficiently breeding；Additionally, the non-crystalline silica also physical characteristic with automatic dehydration, in sludge dewatering treatment
Smoothly it is dehydrated by poisonous, harmful flocculant need not be added, does not produce secondary pollution, sludge can reclaims cycling and reutilization.
2nd, the non-crystalline silica inorganic agent that the present invention is provided is to the clearance of COD（COD- BOD）× 80 to 90%,
The sewage of biodegradability ratio ＜ 0.3 can be risen to biodegradability ratio ＞ 0.5；
3rd, the more existing sewage water treatment method of sludge quantity that the non-crystalline silica inorganic agent handling process that the present invention is provided is produced
Reduce 50%；Especially contain non-crystalline silica in sludge, can therefrom reclaim non-crystalline silica recycling, do not produce
Secondary pollution.
4th, the present invention is provided non-crystalline silica inorganic agent and the technique and equipment with its treatment sewage, equipment letter
Single, sanitary sewage, industrial effluent treatment plant and percolate can be undertaken the construction of and be transformed to efficiency high, manufacture sanitary sewage and work
Industry waste water integrated equipment for wastewater treatment.Water outlet meets and exceeds GB18918-2002 one-level A standards and national regulation after sewage disposal
Each discharge standard, even up to surface water four, three class standards realize sewage recycling.Sludge after treatment is easily dehydrated, and
Any chemical floc need not be added, sludge is recyclable to realize that recycling sludge is recycled.
Brief description of the drawings
Fig. 1 is non-crystalline silica processing equipment structural representation of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is present invention treatment city domestic sewage system diagram；
Fig. 4 is present invention treatment industrial wastewater system figure；
Fig. 5 is the present invention treatment high-concentration waste water and percolate system diagram.
In Fig. 1, Fig. 2,1 is the conical shell of non-crystalline silica processing equipment, and 11 is delivery port, and 12 is conical shell
Body, 13 is sewage draining exit, and 14 is vertical water inlet pipe, is a Room in it, and 15 is the gap of the lower end of cylinder 17, cylinder 17 and water inlet vertically
For two Room 18,16 are weir notch between pipe 14,17 is cylinder, and 18 is two Room, and 19 is depositing reservoir, and 161 is big ring recess, and 162 is centre circle
Groove, 163 is small ring recess, and 164 is radial direction strip grooves, and 165 is radial direction billet groove.
In Fig. 3,1 is non-crystalline silica processing equipment, and 2 is Aerobic Pond, and 4 is regulating reservoir and thick, fine fack, and 5 is to follow
Ring pond, 6 is storage basin, and 7 is air blower, and 8 is sterilizing equipment decontaminating apparatus, and 9 is that the folded water set scene of water outlet is seen or tank, and 20 is noncrystal
Silica-treated agent blanking machine, 21 is anoxic pond, and 22 is rotational flow grit chamber, and 23 is sludge dewatering equipment.
In Fig. 4,1 is non-crystalline silica processing equipment, sets two, and 2 is Aerobic Pond, and 3 is regulating reservoir, and 4 is thick, thin
Grid, 5 is circulating water pool, and 6 is storage basin, and 7 is air blower, and 8 is sterilizing equipment decontaminating apparatus, and 20 is non-crystalline silica inorganic agent blanking
Machine, 21,25 is anoxic pond.
In Fig. 5,1 is non-crystalline silica processing equipment, sets two, and 2 is Aerobic Pond, and 3 is regulating reservoir, and 4 is thick, thin
Grid, 5 is circulating water pool, and 6 is storage basin, and 7 is air blower, and 8 is sterilizing equipment decontaminating apparatus, and 10 is addition non-crystalline silica inorganic agent
Mixer afterwards, 20 is non-crystalline silica inorganic agent blanking machine, and 21 is anoxic pond, and 23 is sludge dewatering equipment, 24 sheet frame pressures
Filter.
In above-mentioned Fig. 3, Fig. 4, Fig. 5 system, in addition to non-crystalline silica processing equipment 1 is innovation structure of the invention,
Remaining is conventional equipment.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is described further to the present invention.
Embodiment 1
Non-crystalline silica inorganic agent l is prepared by following proportioning：Non-crystalline silica:Aluminium polychloride=7:3.
Non-crystalline silica inorganic agent 11 is prepared by following proportioning：Non-crystalline silica:Aluminum sulfate=6.5: 3.5.
Non-crystalline silica inorganic agent 12 is prepared by following proportioning：Non-crystalline silica:Ferric trichloride=6.9:
3.1。
Non-crystalline silica inorganic agent 2 is prepared by following proportioning：Non-crystalline silica:Aluminum sulfate=7.9:2.1.
Non-crystalline silica inorganic agent 21 is prepared by following proportioning：Non-crystalline silica:Aluminium polychloride=7.1:
2.9。
Non-crystalline silica inorganic agent 22 is prepared by following proportioning：Non-crystalline silica:Ferric trichloride=7.5:
2.5。
Non-crystalline silica inorganic agent 3 is prepared by following proportioning：Non-crystalline silica:Polyacrylamide+polymerization
Aluminium chloride=6.5:3.5；Wherein：Polyacrylamide 0.1+ aluminium polychlorides 3.4.
Non-crystalline silica inorganic agent 31 is prepared by following proportioning：Non-crystalline silica:Polyacrylamide+trichlorine
Change iron=6.9:3.1；Wherein：Polyacrylamide 0.3+ aluminium polychlorides 2.8.
Non-crystalline silica inorganic agent 32 is prepared by following proportioning：Non-crystalline silica:Aluminum sulfate+polyaluminium
Aluminium=7:3；Wherein：Polyacrylamide 0.5+ aluminium polychlorides 2.5.
Above-mentioned non-crystalline silica is obtained by following method：Diatom original soil is tapered into -0.074mm, add water scouring
The dense ore pulps of 30-45% are made, are cleaned in 130-200 revs/min of ZCX type swaging machines, add water dilution ore pulp dense to 15-25%
Degree, in the XQT high speed dispersors of 1440-2800 revs/min of feeding, while pressing raw ore weight adds dispersant special.Through routine
One-level separation equipment（It is made up of multilayer incline-plate）, the crystalline silica impurity in diatom original soil（Quartz sand etc.）Separation is gone
Remove；In conventional the second-order separation equipment（It is made up of multi-stage separation plate）, non-crystalline silica（Diatom）It is deposited in separating plate
On, the impurity such as the montomorillonite in diatom original soil, illite, kaolinite, water tiny stream mica are separated and is removed；Being deposited on separating plate
Non-crystalline silica（Diatom）Drying, carries out dry classification on grader；Obtain non-crystalline silica.
The non-crystalline silica is the diatom of the opal containing the crystallization water, and its structure is by non-crystalline silica group
Into nanometer micropore.
Non-crystalline silica in the non-crystalline silica（Proportion is 2.2-2.4）, 65-85%, diatom amount accounts for
70-90%, other impurities are：Crystalline silica（Proportion is 2.6）, account for 1-5% , Qian≤50 PPM , Shen≤6 PPM, scaling loss amount
≤ 5%, pH value 6-8, tight heap Mi Du≤0.45.
The diatomite is with Patent No. 96117368.8 filed in 10 days December in 1996 of the applicant, entitled
The patent of invention of " physical ore dressing of super low grade infusorial earth method and apparatus ", or 2 months 2001 patents filed in 22 days
Number for 01107179.6, the product of the patent of invention production of entitled " superfine particle electrostatic separation beneficiation method and its system ".
Embodiment 2
The non-crystalline silica processing equipment 1 that the present invention is provided, including the conical shell 12 with cavity, the top of conical shell 12
It is provided with water outlet weir notch 16, bottom and is provided with mud discharging mouth 13, heart position is provided with vertical water inlet pipe 14 in the cavities, the vertical water inlet pipe 14
Inside is a Room, and the open upper end of the vertical water inlet pipe 14, lower end stretch out through the bottom of conical shell 12, in the cavities simultaneously
Be provided with cylinder 17 positioned at the periphery of vertical water inlet pipe 14, the cylinder 17 and be vertically two Room between water inlet pipe 14, the cylinder 17 it is upper
End is connected with the top of conical shell 12, and lower end keeps spacing 15 with the bottom of conical shell 1, between cylinder 17 and the wall of conical shell 12
It is depositing reservoir 19, such as Fig. 1, the water outlet weir notch 16 at the top of the conical shell 12 includes big ring recess 161, middle ring recess 162, small ring recess
163, be provided with eight radial direction strip grooves 164 between small ring recess 163 and big ring recess 161, middle ring recess 162 and big ring recess 161 it
Between be provided with eight radial direction billet grooves 165, it is and big ring recess 161, middle ring recess 162, small ring recess 163, radial direction strip grooves 164, radially short
Bar groove 165 is interconnected, and two sides per bar groove are all provided with being tooth side.The inclination angle of the wall of the conical shell 1 is 45 degree.The cone
Shape housing 1 is cone.
Embodiment 3
Sanitary sewage, such as Fig. 3 are processed with non-crystalline silica inorganic agent and with its technique and equipment for processing sewage：
The composition of the sanitary sewage is as follows：CODcr220-420mg/L ,BOD5 110-230mg/L,
SS 220-410mg/L, total nitrogen 33-50mg/L, ammonia nitrogen 26-41mg/L, total phosphorus 2-6mg/L, pH value 6-9；
A, by sewage lifting to regulating reservoir 4, remove floating object with grid, after rotational flow grit chamber 22 removes coarse sand, sewage
Into anoxic pond 21；
B, the sewage of step A is stopped 3 hours in anoxic pond 21, sewage is sent into Aerobic Pond 2 with impeller, in Aerobic Pond 2
Middle use air blower 7 is aerated, and stops 6 hours；Aerobic Pond 2 is back to anoxic pond 21 with 100% return current ratio of the mixed liquid；
C, the water outlet of step B Aerobic Ponds 2 enter non-crystalline silica processing equipment 1 before, non-crystalline silica is used before pump
Inorganic agent blanking machine 20,30 grams of amount is delivered by sewage per ton, delivers the going out to Aerobic Pond 2 of non-crystalline silica inorganic agent 1
In water；
D, the sewage for being mixed with non-crystalline silica inorganic agent 1 by step C, are sent with the flow velocity of 2m/s through a Room water inlet pipe 14
In entering two Room 18, depositing reservoir 19 is entered back into, effluent flow rate is slowed to 0.4mm/s with the expansion of the sectional area of depositing reservoir 19, allowed
Non-crystalline silica inorganic agent fully adsorbs in non-crystalline silica processor 1 to the pollutant in sewage, flocculate it is same
When, the self-assembling formation non-crystalline silica sodium rice micro porous filtration layer in depositing reservoir 19, so that filtering contaminants and clear water are separated,
Clear water overflows through weir notch 16 after being risen with the rate of climb of 0.4mm/s from delivery port 11, and pollutant is with the 1mm/s velocity sedimentations bottom of to
Discharged through mud discharging mouth 13 behind portion；Sewage residence time in non-crystalline silica processing equipment 1 is total up to 3.3 hours；
E, the water outlet of step D is seen into 9 discharges from the folded water set scene of water outlet after, feeding sterilizing equipment decontaminating apparatus 8 carries out disinfection, sterilization treatment, or
Tank 15 is sent directly into store；
F, by step D discharge sludge 100% be back to anoxic pond 21, start when the concentration of anoxic pond 21 is increased to 10000mg/L
Spoil disposal, the concentration in anoxic pond 21 stops spoil disposal when being reduced to 7000mg/L, arrange primary sludge within more than 30 days, and sludge quantity is than other
Technique reduces 50%；
In the mud that G, step F are released, because there is non-crystalline silica electrostatic to be polymerized（Physics flocculates）Effect, with automatic dehydration
Physical characteristic, be not added with poisonous and hazardous flocculant during sludge dewatering, sludge is recycled again after being reclaimed through the dehydration of dehydration equipment 23
Utilize.
Water outlet reaches GB18918-2002 one-level A standards, COD after treatmentcr＜ 50mg/L, BOD5＜ 10mg/L, SS ＜
10mg/L, total nitrogen ＜ 15mg/L, ammonia nitrogen ＜ 5mg/L, total phosphorus ＜ 0.5mg/L, pH value 7.
Embodiment 4
Low concentration sewage, such as Fig. 3 are processed with non-crystalline silica inorganic agent and with its technique and equipment for processing sewage：
The composition of the sanitary sewage is as follows：CODcr 88mg/L ,BOD542mg/L, SS 32mg/L, total nitrogen 26.884mg/L,
Ammonia nitrogen 7.424mg/L, total phosphorus 0.966mg/L, pH value 7.6；
A, by sewage lifting to regulating reservoir 4, remove floating object with grid, after rotational flow grit chamber 22 removes coarse sand, sewage
Into anoxic pond 21；
B, the sewage of step A is stopped 2 hours in anoxic pond 21, sewage is sent into Aerobic Pond 2 with impeller, in Aerobic Pond
It is aerated with air blower 7, is stopped 4 hours, Aerobic Pond 2 is back to anoxic pond 21 with 100% return current ratio of the mixed liquid；
C, the water outlet of step B Aerobic Ponds 2 enter non-crystalline silica processing equipment 1 before, non-crystalline silica is used before pump
Inorganic agent blanking machine 20,15 grams of amount is delivered by sewage per ton, delivers non-crystalline silica inorganic agent 2 to the water outlet of Aerobic Pond 2
In；
D, the sewage for being mixed with non-crystalline silica inorganic agent 2 by step C, are sent with the flow velocity of 3m/s through a Room water inlet pipe 14
In entering two Room 18, depositing reservoir 19 is entered back into, effluent flow rate is slowed to 0.2mm/s with the expansion of the sectional area of depositing reservoir 19, allowed
Non-crystalline silica inorganic agent fully adsorbs in non-crystalline silica processor 1 to the pollutant in sewage, flocculate
Meanwhile, the self-assembling formation non-crystalline silica sodium rice micro porous filtration layer in depositing reservoir 19, so that filtering contaminants and clear water point
Open, clear water overflows through water outlet weir notch 16 after being risen with the rate of climb of 0.2mm/s from delivery port 11, pollutant is with 0.5mm/s speed
Degree is discharged after being settled down to bottom through mud discharging mouth 13；It is small that sewage residence time in non-crystalline silica processor 1 is total up to 3.3
When；
E, the water outlet of step D is seen into 9 discharges from the folded water set scene of water outlet after, feeding sterilizing equipment decontaminating apparatus 8 carries out disinfection, sterilization treatment, or
Tank 15 is sent directly into store；
F, by step D discharge sludge 100% be back to anoxic pond 21, start when the concentration of anoxic pond 21 is increased to 10000mg/L
Spoil disposal, the concentration in anoxic pond 21 stops spoil disposal when being reduced to 7000mg/L, arrange primary sludge within more than 30 days, and sludge quantity is than other
Technique reduces 50%；
In the mud that G, step F are released, because there is non-crystalline silica electrostatic to be polymerized（Physics flocculates）Effect, with automatic dehydration
Physical characteristic, be not added with poisonous and hazardous flocculant during sludge dewatering, sludge is recycled again after being reclaimed through the dehydration of dehydration equipment 23
Utilize.
Water outlet reaches GB18918-2002 one-level A standards, COD after treatmentcr＜ 16mg/L, BOD5＜ 5.5mg/L, SS ＜
9mg/L, total nitrogen ＜ 2.814mg/L, ammonia nitrogen ＜ 0.16mg/L, total phosphorus ＜ 0.374mg/L, pH value 7.8.
Embodiment 5
Industrial wastewater, such as Fig. 4 are processed with non-crystalline silica inorganic agent：
The composition of the industrial wastewater is as follows：CODcr ＞ 1000mg/L, BOD5＜ 200mg/L,
SS ＞ 1000mg/L, total nitrogen 60mg/L, ammonia nitrogen ＞ 40mg/L, total phosphorus ＞ 6mg/L, pH value ＜ 6 or ＞ 8；
A, industrial wastewater is promoted in regulating reservoir 4, floating object is removed with grid, sewage enters pH regulating reservoirs 3, adjusted with lime
PH to 7-8；
B, from pH regulating reservoirs 3 enter first non-crystalline silica processing equipment 1 before, non-crystalline silica is used before pump
Inorganic agent blanking machine 20,50 grams of amount input non-crystalline silica inorganic agent 3 is delivered by sewage per ton；
C, the sewage for being mixed with non-crystalline silica inorganic agent 3 by step B, are sent with the flow velocity of 3m/s through a Room water inlet pipe 14
In entering two Room 18, depositing reservoir 19 is entered back into, effluent flow rate is slowed to 0.4mm/s with the expansion of the sectional area of depositing reservoir 19, allowed
Non-crystalline silica inorganic agent fully adsorbs in non-crystalline silica processor 1 to the pollutant in sewage, flocculate
Meanwhile, the self-assembling formation non-crystalline silica sodium rice micro porous filtration layer in depositing reservoir 19, so that filtering contaminants and clear water point
Open, clear water overflows through water outlet weir notch 16 after being risen with the rate of climb of 0.4mm/s from delivery port 11, pollutant is with 1.5mm/s speed
Degree is discharged after being settled down to bottom through mud discharging mouth 13；It is small that sewage residence time in non-crystalline silica processor 1 is total up to 5
When；
D, the water outlet feeding anaerobic pond 25 by step C, the water outlet of anaerobic pond 25 enter anaerobic pond 21,3-5 are stopped in anaerobic pond 21
Hour, sewage is sent into Aerobic Pond 2 with impeller, it is aerated with air blower 7 in Aerobic Pond, stop 6-10 hours;Aerobic Pond 2 with
100% return current ratio of the mixed liquid is back to anoxic pond 21；
E, step D Aerobic Pond water outlet enter second non-crystalline silica processing equipment 1 before, by sewage per ton throw
Put 50 grams of amount input non-crystalline silica inorganic agent 3；
F, the industrial wastewater for being mixed with non-crystalline silica inorganic agent 3 by step E, are intake with the flow velocity of 3m/s through a Room
In two Room 18 of the feeding of pipe 14, depositing reservoir 19 is entered back into, effluent flow rate is slowed to the expansion of the sectional area of depositing reservoir 19
0.4mm/s, allows non-crystalline silica inorganic agent in second non-crystalline silica processor 1 to the pollutant in sewage
While fully adsorbing, flocculate, the self-assembling formation non-crystalline silica sodium rice micro porous filtration layer in depositing reservoir 19, so as to filter
Pollutant and clear water are separated, and clear water overflows through water outlet weir notch 16 after being risen with the rate of climb of 0.4mm/s from delivery port 11, are polluted
Thing through mud discharging mouth 13 after 1.5mm/s velocity sedimentations to bottom discharging；Sewage is in second non-crystalline silica processor 1
Residence time is total up to 5 hours；
G, the sterilized equipment 8 of the water outlet of step F is carried out disinfection, sterilized after, send into tank 9, discharged from tank 9 or return
With；
H, by step F discharge all sludge 100% be back to anoxic pond 21, the concentration in anoxic pond 21 increases to 10000mg/L
When start spoil disposal, the concentration in anoxic pond 21 stops spoil disposal when being reduced to 7000mg/L, sludge quantity reduces 50% than other techniques；
In the mud that I, step H are released, because there is non-crystalline silica electrostatic to be polymerized（Physics flocculates）Effect, with automatic dehydration
Physical characteristic, be not added with poisonous and hazardous flocculant during sludge dewatering, sludge is recycled again after being reclaimed through the dehydration of dehydration equipment 23
Utilize.
Water outlet reaches GB18918-2002 one-level A standards, COD after treatmentcr＜ 50mg/L, BOD5＜ 10mg/L, SS ＜
10mg/L, total nitrogen ＜ 15mg/L, ammonia nitrogen ＜ 5mg/L, total phosphorus ＜ 0.5mg/L, pH value 6-9.
Embodiment 6
Percolate, such as Fig. 5 are processed with non-crystalline silica inorganic agent：
The composition of the percolate is as follows：CODcr11400mg/L, BOD55350mg/L, SS 788mg/L, ammonia nitrogen
5350mg/L, total number of bacteria 1500, fecal coliform 360
A, percolate is promoted in regulating reservoir 4,0.1 kilogram is added by percolate per ton（100ppm）Amount,
Amorphous oxide silicon inorganic agent 4 is added in percolate, the press filtration of plate and frame type filter-press 24 is sent into afterwards；
B, the percolate feeding pH regulating reservoirs 3 by step A, adjust pH to 8.5, with non-crystalline silica processing equipment 1
Water outlet be diluted to COD ＜ 2000mg/L；
C, step B the water outlet of pH regulating reservoirs 3 before First non-crystalline silica processing equipment 1 is entered, with noncrystal before pump
Silica-treated agent blanking machine 20 adds 0.1 kilogram by percolate per ton（100ppm）Amount, in percolate
Add amorphous oxide silicon inorganic agent 4；
D, the percolate for being mixed with non-crystalline silica inorganic agent 4 by step C, are intake with the flow velocity of 2m/s through a Room
In two Room 18 of the feeding of pipe 14, depositing reservoir 19 is entered back into, effluent flow rate is slowed to the expansion of the sectional area of depositing reservoir 19
0.1mm/s, allows non-crystalline silica inorganic agent fully to be inhaled to the pollutant in sewage in non-crystalline silica processor 1
It is attached, flocculation while, in depositing reservoir 19 micro porous filtration of self-assembling formation non-crystalline silica sodium rice layer so that filtering contaminants
Separated with sewage, sewage enters anaerobic pond through water outlet weir notch 16 after rising with the rate of climb of 0.1mm/s from delivery port 11, polluted
Thing through mud discharging mouth 13 after 1mm/s velocity sedimentations to bottom discharging；Sewage residence time in non-crystalline silica processor 1
It is total up to 5 hours；
After being stopped 12 hours in E, the water outlet feeding anaerobic pond 21 of step D, mixed liquor is sent into Aerobic Pond 2 through impeller, good
It is aerated with air blower 7 in oxygen pond 2, is stopped 12 hours, Aerobic Pond is back to anoxic pond with 100% return current ratio of the mixed liquid, by well
Mixed liquor lifting after oxygen treatment is pumped into second non-crystalline silica processing equipment 1；
F, step F mixed liquors before second non-crystalline silica processor 1 is pumped into lifting, by percolate per ton
Add 0.1 kilogram（100ppm）Amount, non-crystalline silica inorganic agent 4 is added in percolate；
G, the percolate for being mixed with non-crystalline silica inorganic agent 4 by step F, are intake with the flow velocity of 2m/s through a Room
In two Room 18 of the feeding of pipe 14, depositing reservoir 19 is entered back into, effluent flow rate is slowed to the expansion of the sectional area of depositing reservoir 19
0.1mm/s, makes non-crystalline silica inorganic agent abundant again to the pollutant in sewage in non-crystalline silica processor 1
While absorption, flocculation, the self-assembling formation non-crystalline silica sodium rice micro porous filtration layer in depositing reservoir 19, so as to filter pollution
Thing and sewage are separated, and sewage overflows through water outlet weir notch 16 after being risen with the rate of climb of 0.1mm/s from delivery port 11, pollutant with
Discharged through mud discharging mouth 13 behind 1mm/s velocity sedimentations to bottom；The residence time is altogether in non-crystalline silica processor 1 for sewage
It is 5 hours；
H, the water outlet of step G feeding sterilizing equipment decontaminating apparatus 8 is carried out disinfection, sterilize after, feeding tank 9 is back to use in corresponding steps；
I, by step H discharge sludge 100% be back to anoxic pond 21, the concentration in biological tank starts when increasing to 10000mg/L
Spoil disposal, the concentration in biological tank stops spoil disposal when being reduced to 7000mg/L, sludge quantity reduces 50% than other techniques；
In the mud that J, step H are released, because there is non-crystalline silica electrostatic to be polymerized（Physics flocculates）Effect, with automatic dehydration
Physical characteristic, be not added with poisonous and hazardous flocculant during sludge dewatering, sludge is recycled again after being reclaimed through the dehydration of dehydration equipment 23
Utilize.
Water outlet reaches after treatment《Consumer waste filling and embedding Environmental capacity standard》GB16889-1997 secondary standards, CODcr
24.2mg/L ,BOD58.8mg/L, SS 8mg/L, ammonia nitrogen 23.4mg/L, total number of bacteria 0, fecal coliform≤50.
Claims (9)
1. a kind of non-crystalline silica inorganic agent, it is characterised in that it presses following masses by non-crystalline silica and flocculant
Than being obtained by mixing：
Non-crystalline silica:Flocculant=6.5-7.9: 3.5-2.1；
The flocculant is one or more in aluminium polychloride, aluminum sulfate, ferric trichloride, polyacrylamide, and several
Mixing is any mass ratio.
2. non-crystalline silica inorganic agent as claimed in claim 1, it is characterised in that under the non-crystalline silica passes through
Row method is obtained：Diatomite is levigate to -0.074mm, and add water the ore pulp for being mixed into that mass concentration is 30-45%, in 130-200
Cleaned 20-25 minutes under conditions of rev/min, dilution pulp density is added water to 15-25%, in 1440-2800 revs/min of condition
Lower dispersion 2-5 minutes, while adding 20-25 grams of amount by raw ore per ton, adds dispersant, is separated through one-level, in diatomite
Crystalline silica impurity separate removal；Again through the second-order separation, settle non-crystalline silica, and it is miscellaneous in diatomite
Matter：Montomorillonite, illite, kaolinite, water tiny stream mica are then left away with moisture and are removed；After the non-crystalline silica drying of sedimentation,
Obtain non-crystalline silica;The dispersant is one or more in calgon, sodium metasilicate, NaOH, and several
The mixing planted is any mass ratio.
3. the non-crystalline silica that a kind of non-crystalline silica inorganic agent described in claim 1 processes sewage is processed and set
It is standby, including the conical shell with cavity, it is characterised in that conical shell top is provided with water outlet weir notch, bottom and is provided with mud discharging mouth,
Cavity center position is provided with vertical water inlet pipe, and the vertical water inlet pipe inside is a Room, the open upper end of the vertical water inlet pipe, lower end
Stretch out through conical shell bottom, be provided with cylinder in the cavities and positioned at vertical water inlet pipe periphery, the cylinder enters with vertically
It is two Room between water pipe, the upper end of the cylinder is connected with conical shell top, and lower end keeps spacing, cylinder with conical shell bottom
It is depositing reservoir between conical shell body wall.
4. non-crystalline silica processing equipment as claimed in claim 3, it is characterised in that the water outlet weir notch includes great circle
Groove, middle ring recess, small ring recess, are provided with radial direction strip grooves between small ring recess and big ring recess, are provided between middle ring recess and big ring recess
Radial direction billet groove, and big ring recess, middle ring recess, small ring recess, radial direction strip grooves, radial direction billet groove are interconnected, the both sides per bar groove
When tooth is set to.
5. non-crystalline silica processing equipment as claimed in claim 3, it is characterised in that the inclination of the conical shell body wall
Angle is 45-55 degree.
6. non-crystalline silica processing equipment as claimed in claim 3, it is characterised in that the conical shell is cone
Or polygonal cone.
7. described in a kind of use claim 1 non-crystalline silica inorganic agent process sewage system, including regulating reservoir, grid,
Sediment by rotational flow equipment, anaerobic pond, Aerobic Pond, air blower, sterilizing equipment decontaminating apparatus, storage basin, tank, it is characterised in that also including amorphous
Body silica-treated equipment, the non-crystalline silica processing equipment includes the conical shell with cavity, conical shell top
It is provided with water outlet weir notch, bottom and is provided with mud discharging mouth, heart position is provided with vertical water inlet pipe in the cavities, the vertical water inlet pipe inside is one
Room, the open upper end of the vertical water inlet pipe, lower end stretch out through conical shell bottom, in the cavities and positioned at water inlet vertically
Pipe periphery is provided with cylinder, and the inner barrel is two Room, and the upper end of the cylinder is connected with the top of conical shell, lower end and conical shell
Bottom keeps spacing, is depositing reservoir between cylinder and conical shell body wall.
8. a kind of use non-crystalline silica inorganic agent processes the method for sewage, including pH value of sewage water is adjusted, to sewage
Middle floating object and coarse sand are separated, aerobic and Anaerobic Treatment is carried out to sewage or/and sewage are carried out disinfection sterilization processing
Conventional steps, it is characterised in that the also following non-crystalline silica treatment including being carried out to sewage：
A, sewage is sent into non-crystalline silica processing equipment before, 20-100 grams of amount is delivered by sewage per ton, to sewage
Middle input non-crystalline silica inorganic agent, the non-crystalline silica inorganic agent is obtained by mixing by the component of following mass ratio：
Non-crystalline silica:Flocculant=6.5-7.9:3.5-2.1；
B, the sewage for being blended with non-crystalline silica inorganic agent, are processed with the flow velocity feeding non-crystalline silica of 2-3m/s
During the vertical water inlet pipe of equipment is a Room, in entering back into two Room between vertical water inlet pipe and cylinder, in finally entering depositing reservoir,
Effluent flow rate is slowed to 0.1-0.5mm/s with the expansion of depositing reservoir sectional area, allow non-crystalline silica inorganic agent right
While pollutant in sewage is fully adsorbed, flocculated, the self-assembling formation non-crystalline silica sodium rice micropore mistake in depositing reservoir
Filtering layer so that filtering contaminants and water, clear water risen with the rate of climb of 0.1-0.5mm/s after by after water outlet weir notch from water outlet
Mouth overflows, and after pollutant is with 0.5-1.5mm/s velocity sedimentations to bottom, is discharged through mud discharging mouth.
9. method as claimed in claim 3, it is characterised in that the sewage stopping in non-crystalline silica processing equipment
It is 3-5 hours to stay the time.
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| CN108163946A (en) * | 2017-12-26 | 2018-06-15 | 中国科学院南京地理与湖泊研究所 | The preparation method and applications of the compounding accelerator of colloidal solid in water body can be reduced |
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| WO2012018249A1 (en) * | 2010-08-02 | 2012-02-09 | Macro Growth Sdn Bhd | Flocculating agent for waste water treatment and method of using thereof |
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