CN107973435A - A kind of ceramic sewage treatment device and method - Google Patents
A kind of ceramic sewage treatment device and method Download PDFInfo
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- CN107973435A CN107973435A CN201810051327.XA CN201810051327A CN107973435A CN 107973435 A CN107973435 A CN 107973435A CN 201810051327 A CN201810051327 A CN 201810051327A CN 107973435 A CN107973435 A CN 107973435A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 70
- 239000010865 sewage Substances 0.000 title claims abstract description 66
- 238000011282 treatment Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000010802 sludge Substances 0.000 claims abstract description 33
- 239000003814 drug Substances 0.000 claims abstract description 29
- 238000004062 sedimentation Methods 0.000 claims abstract description 23
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 15
- 230000037452 priming Effects 0.000 claims abstract description 13
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 5
- 238000003672 processing method Methods 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 9
- 229940079593 drug Drugs 0.000 abstract description 6
- 239000013043 chemical agent Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000001112 coagulating effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000002351 wastewater Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000000725 suspension Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000012510 hollow fiber Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000009388 chemical precipitation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000001694 spray drying Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- 206010006895 Cachexia Diseases 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 235000015895 biscuits Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011369 optimal treatment Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 208000016318 wasting Diseases 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/08—Hollow fibre membranes
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/168—Use of other chemical agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2303/16—Regeneration of sorbents, filters
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of ceramic sewage treatment device and method, is related to ceramic sewage treatment field.In order to solve the problems, such as that conventional treatment process Ceramic Sludge utilization rate is low, devise a kind of ceramic sewage treatment device and method, processing unit includes sedimentation basin, intermediate pool, film group pond and water purifying tank, according to the upstream of water flowing to downstream direction, sedimentation basin is in the upstream of intermediate pool, and intermediate pool is in the upstream in film group pond, and film group pond is in the upstream of water purifying tank, connected by pipeline, film self priming pump is equipped among the connecting pipe of the film group pond and water purifying tank;Film group tank waterpower residence time, film group water outlet pressure, recoil interval, recoil time and backwash drug concentration are controlled, realizes effective processing of ceramic sewage.Ceramic sewage enters ceramic sewage treatment device after sedimentation basin and intermediate pool processing.The sewage of film group processing is not introduced into chemical agent, ceramic raw material can be used as after the sludge dewatering in film group pond, realizes recycling without coagulating treatment.
Description
Technical field
The present invention relates to ceramic sewage treatment field, and in particular to a kind of ceramic sewage treatment device and method.
Background technology
Waste water in Production of Ceramics is essentially from raw material preparation, glaze preparation section and equipment and ground flushing water and kiln
Cooling water.In the production line of Wall or floor tile, further include spray drying tower and rinse and Wall or floor tile polishing cooling water.Feed purification process
In press filtration water, major pollutants are suspended matter, and usual suspended particulate is thinner；Repaired biscuit waste water water is less, but suspension content
Greatly, 5000mg/L is reached；Polishing waste water is primarily generated in the processes such as grinding, polishing, edging, chamfering, main powder containing ceramic tile,
Polishing agent and grinding agent；Equipment and mill floor flushing water include the flushing of ball mill, stock tank, feed bin, spray drying tower, apply
The flushing etc. of glaze, Printing Machinery, iron remover, since the difference of each workshop each operation and the difference of ceramic product cause this kind of waste water
Pollutant composition it is more complicated, mainly have siliceous suspended particulate, mineral suspension particle, industrial chemicals pollutant waste water；Equipment
Indirect cooling water is pollution-free material, but temperature is higher.Although most of Ceramics Enterprises have all carried out sewage disposal and sludge treatment,
But there have some enterprise wastewaters to administer to be not thorough enough, still there is a large amount of discharge of wastewater；Sludge treatment usually landfill is stacked,
Ceramic Sludge recycling efficiency is low.Therefore ceramic sewage disposal and sludge treatment research have become one in Study on Environmental Protection
A important topic.
Existing ceramics sewage treatmentmethod is mostly chemical precipitation, flat flow precipitation, inclined tube（Plate）Precipitation and activated sludge
Method, takes up a large area, and chemical precipitation is to promote sludge settling by adding polymer, and new chemicals are added in sludge
Matter, the efficiency that sludge enters back into ceramic production line are greatly reduced, and cause a large amount of available wastings of resources in sludge；Flat flow sinks
Form sediment, occupation area of equipment is big, and treatment effeciency is low；Inclined tube（Plate）Sediment structure is complicated, easily blocks.Ceramic sewage disposal technology is less
It is related with requirement of traditional membrane treatment process to concentration of suspension using membrane process, but the technical process is simple, and equipment is few, fortune
Row expense is low, while can not introduce new chemical composition by the separation of film progress suspended matter and water, and then is sludge weight
New utilize provides condition, has broad application prospects in ceramic wastewater process field.
The content of the invention
The technical problems to be solved by the invention are the problem of conventional treatment process Ceramic Sludge utilization rate are relatively low, there is provided one
Kind ceramic sewage treatment device and method.
Above-mentioned technical problem to be solved by this invention, is achieved by following technical solution：
A kind of ceramic sewage treatment device, including sedimentation basin, intermediate pool, film group pond and water purifying tank, according to water flowing upstream extremely
Downstream direction, sedimentation basin in the upstream of intermediate pool, intermediate pool in the upstream in film group pond, film group pond in the upstream of water purifying tank,
Connected by pipeline, film self priming pump is equipped among the connecting pipe of the film group pond and water purifying tank.
Sewage is further handled into film group pond after sedimentation basin, intermediate pool processing, eventually enter into water purifying tank discharge or
Reuse.Intermediate pool is used for adjusting film group pond and precipitation pool water level.Suspended material is gradually deposited on film group bottom of pond portion.Film self priming pump
For water power is provided by film group.
Preferably, the sedimentation basin includes primary sedimentation tank and secondary settling tank.Sewage enters after just heavy removal potsherd
Bulky grain suspended matter further settles after secondary settling tank.
Preferably, the film group pond includes film mounting bracket, film group and medicine storing pot, the film group be equipped with water inlet,
Water outlet and recoil interface, film group recoil interface are connected with medicine storing pot by dosing pump, the same film of film self priming pump
Group water outlet is connected.Film mounting bracket is used to fix film group, and sewage enters from film group water inlet, by water outlet after the processing of film group
Discharge.Recoil interface connection medicine storing pot, is located proximate to water outlet.During normal operation, water purification that sewage produces after film process by
Film self priming pump is drawn from film group water outlet.Storage, which is used to recoil, in medicine storing pot cleans the chemical agent of film group, film group operational efficiency
During decline, dosing pump is opened, is backwashed, the film group after recoil can be continuing with.
Preferably, the sedimentation basin, intermediate pool and film group bottom of pond portion are connected by pipeline with plate and frame filter press.Precipitation
The sludge that pond, intermediate pool and film group pond produce is remarketed after entering plate and frame filter press compression dehydration.Sewage master in film group pond
Polluter is wanted as siliceous and mineral suspension thing, can be as the raw material of Production of Ceramics after the compressed processing of sludge of generation.
Preferably, it is TiO inside the film group2And Fe3+Combined modified hollow-fibre membrane, is configured as immersion, hole
Footpath is 0.2 micron.The film, which is directed to ceramic sewage, efficient mud-water separation effect.
Preferably, the sedimentation basin, intermediate pool and film group bottom of pond portion are the same as being respectively equipped with sludge between plate and frame filter press
Pump.Sludge pump provides power for sludge into plate and frame filter press.
Preferably, the nano-TiO2And Fe3+Combined modified hollow-fibre membrane, method of modifying are：By doughnut
Film is placed in neutral or meta-alkalescence solution, the Fe that addition mass fraction is 0.02% ~ 0.06%3+Ion, under pressurized environment, makes
With film self-priming pumping for several times；Gained Fe3+The multiple coating quality fraction of modified hollow fiber membrane surface is 5% ~ 20% nanometer
TiO2Aqueous solution.Fe3+Film surface can be made smooth, increase the hydrophily of hollow fiber membrane surface, nano-TiO2Film surface can be made more
Add smooth, the further hydrophily for increasing film surface, raising mud-water separation efficiency；Modified film surface antifouling property carries
Height, recoil cleaning efficiency are improved.
A kind of processing method of ceramics sewage, it is 2 ~ 3h to control the film group tank waterpower residence time, and film group water outlet pressure is not
Less than 0.4 ~ 0.6MPa；The isopropanol of storage 80% ~ 90% in medicine storing pot, it is 3 ~ 5 minutes to control film group recoil time, interval 20 ~
30 minutes.Film group can be with long period stable operation under the water outlet pressure and backwash mode.Medicine in medicine storing pot
Agent is volatile, will not be remaining into film group pond sludge, it is ensured that film group pond sludge can be used as Production of Ceramics raw material.Film group water outlet pressure
Power is realized by the type selecting or power adjusting of film self priming pump.
Preferably, it is 2.5 ~ 3h to control the film group tank waterpower residence time, and film group water outlet pressure is not less than 0.5 ~ 0.6MPa；
The isopropanol of storage 85% ~ 90% in medicine storing pot, it is 3 ~ 4 minutes to control film group recoil time, is spaced 25 ~ 30 minutes.In medicine storing pot
Medicament it is volatile, will not remaining into film group pond sludge, it is ensured that film group pond sludge can be used as Production of Ceramics raw material.Periodically recoil
Wash, the service life of film can be extended, ensure the normal operation of processing unit.When film group can be longer under the operating parameter
Between efficient stable run.
Preferably, it is 2.5h to control the film group tank waterpower residence time, and film group water outlet pressure is not less than 0.5MPa；Medicine storing pot
The isopropanol of middle storage 85%, it is 3 minutes to control film group recoil time, is spaced 25 minutes.Medicament in medicine storing pot is volatile, no
Can be remaining into film group pond sludge, it is ensured that film group pond sludge can be used as Production of Ceramics raw material.Periodically backwash, can extend making for film
With the service life, the normal operation of processing unit is ensured.Under the conditions of residence time 2.5h can be with less pool volume, wastewater treatment efficiency
Preferable operating parameter；Under the conditions of 85% isopropanol is lower-cost, the preferable drug concentration of backwash effect.Film group exists
Stable operation that can be efficient and inexpensive with the long period under the operating parameter.
Compared with prior art, the device have the advantages that being：Ceramic sewage passes through primary sedimentation tank, secondary settling tank and sewage
Handled again by film group pond after intermediate pool processing, membrane treatment process is applied to ceramic sewage disposal, effectively carries out mud-water separation；
Modified caudacoria can greatly improve mud-water separation efficiency, improve ceramic sewage purification rate, while film surface is not easy adhering contaminant；Pottery
Porcelain sewage by primary sedimentation tank, secondary settling tank and sewage intermediate pool pretreatment after, major pollutant have been changed to siliceous suspended matter and
The Production of Ceramics raw material such as mineral suspension matter, is not used chemical agent；The medicament that backwash uses can volatilize rapidly and different sludge
Chemically react, do not introduce new chemical substance in sludge so that can be direct after the Ceramic Sludge dehydration in film group pond
Raw material as Production of Ceramics.Sewage reaches discharging standards after processing, and sludge can be a kind of efficient with recycling
The ceramic wastewater processing unit of environmental protection.
Brief description of the drawings
Fig. 1 is a kind of ceramic sewage treatment device of the present invention and the structure diagram of method；
Wherein 1, plate and frame type filter-press；2nd, sludge pump；3rd, primary sedimentation tank；4th, secondary settling tank；5th, film group；6th, film self priming pump；7th, dosing pump；
8th, medicine storing pot；9th, water purifying tank；10th, film group pond；11st, intermediate pool.
Embodiment
Following embodiments are to further explanation of the invention, rather than limitation of the present invention.
Embodiment 1
As shown in Figure 1, the present embodiment discloses a kind of ceramic sewage treatment device and method.
Ceramic sewage treatment device includes sedimentation basin, intermediate pool 11, film group pond 10 and water purifying tank 9, according to the upper of water flowing
Trip is to downstream direction, and sedimentation basin includes primary sedimentation tank 3 and secondary settling tank 4 in the upstream of intermediate pool 11, and film group pond 10 is in intermediate pool
11 upstream, film group pond 10 are connected, the connecting tube of the film group pond 10 and water purifying tank 9 by pipeline in the upstream of water purifying tank 9
Film self priming pump 6 is equipped among road.Film group pond includes film mounting bracket, film group 5 and medicine storing pot 8, the recoil interface of the film group 5
Connected with medicine storing pot 8 by dosing pump.The water inlet of film group 5, water outlet, film mounting bracket and recoil interface do not mark in Fig. 1.
Sewage arrives first primary sedimentation tank 3, and sewage overflow is into secondary settling tank 4, subsequently into sewage intermediate pool 11, sewage intermediate pool 11
It is connected with film group pond 10, film self priming pump 6 is connected by integrated pipeline with the water outlet of film group 5, and sewage enters from 5 water inlet of film group
Film group 5, water purifying tank 9 is introduced after the processing of film group 5 by film self priming pump 6.Film group after 6 operational efficiency of film self priming pump declines to a great extent,
Operation dosing pump 7 is backwashed using the certain density isopropanol stored in medicine storing pot 8, and the film group 5 after recoil can continue
Use.Film group pond 10, primary sedimentation tank 3, the sludge of secondary settling tank 4 and intermediate pool 11 pass through 1 phase of sludge pump 2 and plate and frame type filter-press
Even.The sludge that film group pond 10 produces can be directly used as Production of Ceramics raw material.Film group 5 use quality point used in film group pond 10
The iron chloride of number 0.06% and 5% nano-TiO2Aqueous solution is modified, and is configured as immersion, and aperture is 0.2 micron, method of modifying
For：Hollow-fibre membrane is placed in neutral solution, the Fe that addition mass fraction is 0.02%3+Ion, under pressurized environment, uses
Film self-priming pumping is for several times；Gained Fe3+The multiple coating quality fraction of modified hollow fiber membrane surface is 5% nano-TiO2Water
Solution.
Ceramic sewage water treatment method：The film group pond residence time is controlled as 2.5h, film group water outlet pressure 0.5MPa, isopropanol
Concentration 85%, recoil interval 25min, recoil time 3min.
Embodiment 2
As shown in Figure 1, the present embodiment discloses a kind of ceramic sewage treatment device and method.
Ceramic sewage treatment device used is the same as embodiment 1.
Ceramic sewage water treatment method：Control the film group pond residence time pure and strong for 2h, film group water outlet pressure 0.4MPa, isopropyl
Degree 80%, recoil interval 30min, recoil time 5min.
Embodiment 3
As shown in Figure 1, the present embodiment discloses a kind of ceramic sewage treatment device and method.
Ceramic sewage treatment device used is the same as embodiment 1.
Ceramic sewage water treatment method：Control the film group pond residence time pure and strong for 3h, film group water outlet pressure 0.6MPa, isopropyl
Degree 90%, recoil interval 20min, recoil time 4min.
Embodiment 4
As shown in Figure 1, this comparative example discloses a kind of ceramic sewage treatment device and method.
Ceramic sewage treatment device is with embodiment 1, and difference from Example 1 is in the film group 5 used in film group pond 10
The iron chloride of use quality fraction 0.174% is modified respectively, and method of modifying is：Hollow-fibre membrane is placed in neutral solution, is added
Mass fraction is 0.06% Fe3+Ion, under pressurized environment, using film self-priming pumping for several times；Gained Fe3+Modified is hollow
The multiple coating quality fraction of fiber film surface is 20% nano-TiO2Aqueous solution.
Ceramic sewage water treatment method is the same as embodiment 1.
Comparative example 1
As shown in Figure 1, this comparative example discloses a kind of ceramic sewage treatment device and method.
Ceramic sewage treatment device is with embodiment 1, and difference from Example 1 is in the film group 5 used in film group pond 10
The iron chloride of use quality fraction 0.06% is modified respectively, and method of modifying is：Hollow-fibre membrane is placed in neutral solution, is added
Mass fraction is 0.02% Fe3+Ion, under pressurized environment, using film self-priming pumping for several times.
Ceramic sewage water treatment method is the same as embodiment 1.
Comparative example 2
As shown in Figure 1, this comparative example discloses a kind of ceramic sewage treatment device and method.
Ceramic sewage treatment device is with comparative example 1 with 1 difference of comparative example：The film group 5 used in film group pond 10
The nano-TiO of use quality fraction 5%2Aqueous solution is modified, and method of modifying is：The multiple coating quality fraction of hollow fiber membrane surface
For 5% nano-TiO2Aqueous solution.
Ceramic sewage water treatment method is the same as embodiment 1.
The operating parameter and treatment effect of a kind of 1 ceramic sewage treatment device of table and method
| Treatment effeciency | Water outlet SS | |
| Embodiment 1 | 96% | 16 mg/L |
| Embodiment 2 | 82% | 72 mg/L |
| Embodiment 3 | 94% | 24 mg/L |
| Embodiment 4 | 95% | 20 mg/L |
| Comparative example 1 | 78% | 94 mg/L |
| Comparative example 2 | 75% | 102 mg/L |
2 treatment effeciency of embodiment is less than embodiment 1 and 3, while water outlet SS（Concentration of suspension）Far above scheme 1 and 3, this and its
Residence time is shorter related；Embodiment 1 has optimal treatment effect, and embodiment 1 and 3 treatment effect of embodiment be not significant
Difference, can be to the processing of ceramic wastewater efficient；The residence time that embodiment 3 uses is maximum, and recoil drug concentration highest, at the same time
Recoil time with recoil interval also above embodiment 1, cause 0.45 yuan of 0.67 yuan/ton of its operating cost higher than embodiment 1/
Ton, therefore embodiment 1 is more efficient economic operating scheme；The difference of embodiment 1 and embodiment 4 is that film group is modified institute's medication
Agent concentration is higher than embodiment 1, the two treatment effect does not have significant difference, and the higher medicament of concentration can be reduced in modifying process
Number of operations, but easily cause medicament waste.
Comparative example 1 and comparative example 2 are only to pass through Fe respectively3+Modified and nano-TiO2The film group that aqueous solution is modified, two right
The treatment effect of ratio is below embodiment 1, meanwhile, after ceramic sewage treatment device operation a period of time, treatment effeciency is notable
Decline, recoil interval need to be reduced to 20 minutes or so, while improve recoil time to 5 minutes or so.Therefore, Fe3+And nanometer
TiO2Combined modified film group has more preferable effect to ceramic sewage disposal.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and above example is simultaneously not used to limitation originally
The scope of the claims of invention, all equivalence enforcements or change without departing from carried out by the present invention, are intended to be limited solely by the scope of the claims of this case.
Claims (10)
1. a kind of ceramic sewage treatment device, including sedimentation basin, intermediate pool, film group pond and water purifying tank, it is characterised in that according to water
The upstream of flowing is to downstream direction, and sedimentation basin is in the upstream of intermediate pool, and intermediate pool is in the upstream in film group pond, film group Chi Jing
The upstream in pond, each pond are connected by pipeline, and film self priming pump is equipped among the connecting pipe of the film group pond and water purifying tank.
2. a kind of ceramic sewage treatment device according to claim 1, it is characterised in that the sedimentation basin includes just heavy
Pond and secondary settling tank.
3. a kind of ceramic sewage treatment device according to claim 1, it is characterised in that pacify including film in the film group pond
Stent, film group and medicine storing pot are filled, the film group is equipped with water inlet, water outlet and recoil interface, film group recoil interface
Connected with medicine storing pot by dosing pump, the film self priming pump is connected with film group water outlet.
4. a kind of ceramic sewage treatment device according to claim 1, it is characterised in that the sedimentation basin, middle water
Pond is connected with film group bottom of pond portion by pipeline with plate and frame filter press.
5. a kind of ceramic sewage treatment device according to claim 3, it is characterised in that the film group is nano-TiO2
And Fe3+Combined modified hollow-fibre membrane, is configured as immersion, and aperture is 0.2 micron.
6. a kind of ceramic sewage treatment device stated according to claim 4, it is characterised in that the sedimentation basin, intermediate pool
And film group bottom of pond portion is the same as being respectively equipped with sludge pump between plate and frame filter press.
A kind of 7. ceramic sewage treatment device stated according to claim 5, it is characterised in that the nano-TiO2And Fe3+Connection
Modified hollow-fibre membrane is closed, method of modifying is：Hollow-fibre membrane is placed in neutral or meta-alkalescence solution, addition quality point
Number is 0.02% ~ 0.06% Fe3+Ion, under pressurized environment, using film self-priming pumping for several times；Gained Fe3+Modified is hollow
The multiple coating quality fraction of fiber film surface is 5% ~ 20% nano-TiO2Aqueous solution.
8. a kind of processing method of ceramics sewage, it is characterised in that the device described in usage right requirement 1 ~ 7 one, controls film
The group tank waterpower residence time is 2 ~ 3h, and film group water outlet pressure is not less than 0.4 ~ 0.6MPa；Storage 80% ~ 90% is different in medicine storing pot
Propyl alcohol, it is 3 ~ 5 minutes to control film group recoil time, is spaced 20 ~ 30 minutes.
9. the processing method stated according to claim 8, it is characterised in that it is 2.5 ~ 3h to control the film group tank waterpower residence time, film
Group water outlet pressure is not less than 0.5 ~ 0.6MPa；In medicine storing pot storage 85% ~ 90% isopropanol, control film group recoil time be 3 ~
4 minutes, it is spaced 25 ~ 30 minutes.
10. the processing method stated according to claim 9, it is characterised in that it is 2.5h to control the film group tank waterpower residence time, water outlet
Mouth pressure is not less than 0.5MPa；The isopropanol of storage 85% in medicine storing pot is backwashed, it is 3 minutes to control film group recoil time, interval
25 minutes.
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| CN201810051327.XA CN107973435A (en) | 2018-01-19 | 2018-01-19 | A kind of ceramic sewage treatment device and method |
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