CN109110953A - A kind of integrated water treatment equipment and method for treating water - Google Patents
A kind of integrated water treatment equipment and method for treating water Download PDFInfo
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- CN109110953A CN109110953A CN201810857009.2A CN201810857009A CN109110953A CN 109110953 A CN109110953 A CN 109110953A CN 201810857009 A CN201810857009 A CN 201810857009A CN 109110953 A CN109110953 A CN 109110953A
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- oxidation
- activated carbon
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 257
- 238000000034 method Methods 0.000 title claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 113
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 77
- 239000004576 sand Substances 0.000 claims abstract description 75
- 230000003647 oxidation Effects 0.000 claims abstract description 74
- 238000005189 flocculation Methods 0.000 claims abstract description 54
- 230000016615 flocculation Effects 0.000 claims abstract description 54
- 238000001179 sorption measurement Methods 0.000 claims abstract description 46
- 239000000320 mechanical mixture Substances 0.000 claims abstract description 35
- 238000004062 sedimentation Methods 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 238000009826 distribution Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 34
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 29
- 229910052799 carbon Inorganic materials 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 16
- 229920002401 polyacrylamide Polymers 0.000 claims description 15
- 238000005406 washing Methods 0.000 claims description 15
- 239000000701 coagulant Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 239000010802 sludge Substances 0.000 claims description 14
- 238000000746 purification Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 239000012286 potassium permanganate Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- 230000015556 catabolic process Effects 0.000 claims description 7
- 238000006731 degradation reaction Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 238000005422 blasting Methods 0.000 claims description 6
- 238000010348 incorporation Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 238000009287 sand filtration Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims 1
- 230000001376 precipitating effect Effects 0.000 abstract description 8
- 238000003672 processing method Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 3
- -1 pre-oxidation pond Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 54
- 230000000694 effects Effects 0.000 description 13
- 239000000126 substance Substances 0.000 description 10
- 238000013461 design Methods 0.000 description 9
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000010534 mechanism of action Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000003643 water by type Substances 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
-
- 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
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- 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
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
Abstract
The present invention is directed to above-mentioned problem, provide a kind of integrated water treatment equipment and method for treating water, including pre-oxidation pond, mechanical mixture pond, mechanical flocculation basin, inclined-tube sedimentation tank, advanced oxidation device, activated carbon adsorption tank, sand filter etc., the integrated water treatment equipment and processing method itself from reaction, flocculation, precipitating, collection mud, spoil disposal, catchment, water distribution, filtering, recoil, a series of operation programs such as blowdown, the requirement of automatic running is reached, as long as operator on duty's timing is made outside water-quality monitoring measurement work, without to purifier operational administrative.
Description
Technical field
The invention belongs to the technical fields of water treatment facilities, and in particular to include pre-oxidation, efficiently in a kind of Water purification
React precipitating, advanced oxidation device, activated carbon adsorption tank, sand filter a kind of integrated water treatment equipment and method for treating water.
Background technique
It is water source that integrated water treatment equipment of the invention, which is suitable for the surface water such as rivers, lake, and water turbidity is less than
The water quality of 3000mg/L, treated, and water can be used as Drinking Water and part industrial water.
Typical surface water treatment mode is coagulation, precipitating, filtering, it is traditional for purifier and technical application in villages and small towns
In, it is difficult to adapt to the feature that villages and small towns disperse, management level is low.And current equipment needs to build reaction settling basin and filter tank accounts for
Ground area is big, and capital cost is high；Automatic operating degree is low, and professional is needed to manage and maintain, and increases day-to-day operation, dimension
The expense of shield and maintenance.
Currently, traditional Water purification mode has the drawback that, take up a large area, capital cost is high, automatic operating
Degree is low, increases the expense of day-to-day operation, care and maintenance, is not suitable for applying in the case where the dispersion of villages and small towns, this is also and very much
Village, which is not passed through tap water, certain relationship；Furthermore water process mode fixed single can not be carried out according to the case where water source
Adjustment.
Summary of the invention
The present invention is directed to above-mentioned problem, provides a kind of integrated water treatment equipment and method for treating water, including pre- oxygen
Change pond, mechanical mixture pond, mechanical flocculation basin, inclined-tube sedimentation tank, advanced oxidation device, activated carbon adsorption tank, sand filter etc., this one
Body water chemical treatment device and processing method itself from reaction, flocculation, precipitating, collection mud, spoil disposal, catchment, water distribution, filtering, recoil, row
A series of operation programs such as dirt, have reached the requirement of automatic running, as long as operator on duty's timing is made outside water-quality monitoring measurement work,
Without to purifier operational administrative.
The technical solution of the present invention is as follows:
Integrated water treatment equipment, device are integrally formed by welding using steel plate, which is characterized in that including pre-oxidizing pond, the pre- oxygen
The water inlet pipe for changing pond is connect with waterline, and pre-oxidation pond lower end connects mechanical mixture pond, before being fixed in the mechanical mixture pond
Mixing and blending machine；Mechanical mixture pond lower end is connected to mechanical flocculation basin, is fixed with blender in mechanical flocculation basin, under mechanical flocculation basin
Bucket is arranged in portion's connection inclined-tube sedimentation tank, tube settling bottom of pond portion, mud-scraping apparatus is arranged on bucket top, in inclined-tube sedimentation tank
Top is provided with the tubular assembly angled with horizontal plane；The water outlet I of inclined-tube sedimentation tank is connected advanced by pipeline II
Oxidation unit, on pipeline II be arranged valve A I, the water outlet I of inclined-tube sedimentation tank also by pipeline I connect sand filter top into
Valve B III is arranged in the mouth of a river IV on pipeline I；The interface of the water outlet connection activated carbon adsorption tank lower end of the advanced oxidation device
III, valve A II is set between the interface III of advanced oxidation device and lower end, and the water outlet of the advanced oxidation device, which connects, lives
Property charcoal adsorption tank upper end interface III, between the interface III of advanced oxidation device and upper end be arranged valve B II；The active carbon is inhaled
Active carbon layer is arranged in attached pond middle and upper part, and activated carbon adsorption tank lower part is water distribution area III；The upper end interface III of the activated carbon adsorption tank
It is connect with sand filter top water inlet IV, gate, the activated carbon adsorption is set between activated carbon adsorption tank and sand filter
The interface III of pond lower end also connection backwash pond, the backwash pond connect clear water reserviors, and the pressurized pump of clear water reserviors is connected to user,
Valve B V is set between the interface III and backwash pond of activated carbon adsorption tank lower end；Sand filter lower part is water distribution area IV, middle part
For cut sand filter material layer, the IV 64 connection backwash pond of water outlet of the sand filter, water outlet IV and the backwash pond of sand filter are set
Valve A III is set, the backwash pond connects clear water reserviors, and the pressurized pump of clear water reserviors is connected to user, which also passes through pipe
Pond is promoted among IV connection of road, centre promotes pond by pipeline connection advanced oxidation device, mentions in water outlet IV and centre
It rises and valve B IV is set between pond, elevator pump is set between water outlet IV and advanced oxidation device, in elevator pump and advanced oxygen
Valve B I is arranged between setting in makeup, and valve IV is arranged on pipeline IV.
Integrated water treatment equipment feature of the invention in addition,
Tubular assembly and horizontal plane in the inclined-tube sedimentation tank at angle be 40-70 degree, tubular assembly be it is several tiltedly
Pipe composition, preferably, tubular assembly and horizontal plane at angle be 60 degree.
As the preferred of structure size, the whole long 11.5m of the device, wide 2.4m, high 3.6m, plant bulk is suitable, with collection
Packing measurement(s) is identical, convenient for processing and maintenance, meanwhile, it is transported convenient for integral installation.
Sidewall upper connection overflow pipe in mechanical mixture pond passes through overflow pipe after mechanical mixture pool inner water position is exceeded
Discharge guarantees that water treatment facilities runs well.
The water outlet of the pipeline I is passed through inside mechanical flocculation basin, after water is agitated, makes the suspended matter and coagulation in water
Agent comes into full contact with to form alumen ustum.
The a height of 1.5m of active carbon layer；The sand filtration bed of material a height of 1.2m, partial size 0.9-1.2mm.Parameter is carried out preferably, with attaching together
The size of structure is set, suitable height (thickness) and partial size is chosen, improves processing quality and efficiency.
The advanced oxidation device can be ozone contact tank；The advanced oxidation device can also use ultraviolet light+mistake
The advanced treatment process of hydrogen oxide, using hydrogen peroxide as oxidant, produces under the irradiation of ultraviolet light in advanced oxidation device
Raw OH, is removed organic matter by the strong oxidation of OH, and water outlet is further processed again.
The first processing mode: surface pond → pre-oxidation pond → mechanical mixture pond → machinery flocculation basin → inclined-tube sedimentation tank
→ advanced oxidation device (ozone contact tank) → to upper activated carbon adsorption tank → sand filter → backwash pond → water outlet.
The present invention also provides integral water treating methods, the specific steps are as follows:
Surface pond initially enters pre-oxidation pond by the water inlet pipe for pre-oxidizing pond through waterline, adds hydrogen peroxide or permanganic acid
Potassium is pre-oxidized, and the dosage of hydrogen peroxide is 2mg/L, and the dosage of potassium permanganate is 1mg/L, passes through its strong oxidation
Degradation of organic substances, removal polluter, improve subsequent water purification efficiency；Water enters mechanical mixture pond after pre-oxidation treatment, in machinery
Mixing pit dosing coagulant PAC(aluminium polychloride), dosage 25mg/L, power of agitator is by the velocity gradient of generation
700—1000S-1, incorporation time 1.2min；Treated, and water enters the inside of mechanical flocculation basin, and it is poly- that flocculation aid PAM(is added
Acrylamide), dosage 0.5mg/L makes suspended matter and coagulant in water come into full contact with to form alumen ustum, and flocculation time is
15.4min；Treated water enters inclined-tube sedimentation tank by the channel between mechanical flocculation basin under shield and is precipitated, and handles
Water is completed to be separated by solid-liquid separation by inclined tube, and the sludge to precipitate is discharged into bucket, sludge-drainage time 1min, spoil disposal by mud-scraping apparatus
Period is 12h；Processing water after precipitation flows into advanced oxidation device, is filtered after treatment into activated carbon filter,
Activated carbon adsorption tank lower part is water distribution area, and top is active carbon layer, and water flow flows through active carbon layer, active carbon layer filler from bottom to top
A height of 1.5m, filtering velocity are 11.1 m3/h；Through flowing into homogeneous sand filter to the water of upper activated carbon adsorption tank, under homogeneous sand filter
Portion is water distribution area, and middle part is cut sand filter material layer, and water flow flows through cut sand filter material layer from top to bottom, and cut sand filter material layer is a height of
1.2m, partial size 0.9-1.2mm, filtering velocity 8.3m3/h；Sand filter water outlet enters backwash pond, the water outlet IV of sand filter and anti-
Valve A III is arranged in washing basin, and the backwash pond connects clear water reserviors, and the pressurized pump of clear water reserviors is connected to user.
Second of processing mode:
The process flow of the processing method are as follows:
Surface pond → pre-oxidation pond → mechanical mixture pond → machinery flocculation basin → inclined-tube sedimentation tank → sand filter → intermediate pool
→ advanced oxidation device (ozone contact tank) → activated carbon adsorption tank → backwash pond → water outlet.
The present invention also provides another integral water treating methods, the specific steps are as follows:
Surface pond initially enters pre-oxidation pond by the water inlet pipe for pre-oxidizing pond through waterline, adds hydrogen peroxide or permanganic acid
Potassium is pre-oxidized, and the dosage of hydrogen peroxide is 2mg/L, and the dosage of potassium permanganate is 1mg/L, passes through its strong oxidation
Degradation of organic substances, removal polluter, improve subsequent water purification efficiency；Water enters mechanical mixture pond after pre-oxidation treatment, in machinery
Mixing pit dosing coagulant PAC(aluminium polychloride), dosage 25mg/L, power of agitator is by the velocity gradient of generation
700—1000S-1, incorporation time 1.2min；Treated, and water enters the bottom inner portion of mechanical flocculation basin by pipeline I, is added
Flocculation aid PAM(polyacrylamide), dosage 0.5mg/L, suspended matter and coagulant in water come into full contact with to form alumen ustum, wad a quilt with cotton
The solidifying time is 15.4min；Treated water enters inclined-tube sedimentation tank progress by the channel between mechanical flocculation basin under shield
Precipitating, processing water are completed to be separated by solid-liquid separation by inclined tube, and the sludge to precipitate is discharged into bucket by mud-scraping apparatus, and sludge-drainage time is
1min, sludge discharging period 12h；Processing water after precipitation flows into homogeneous sand filter, and homogeneous sand filter lower part is water distribution area, middle part
For cut sand filter material layer, water flow flows through cut sand filter material layer, cut sand filter material layer a height of 1.2m, partial size 0.9- from top to bottom
1.2mm, filtering velocity 8.3m3/ h, processed water enters intermediate promotion pond by homogeneous sand filter water outlet IV, then passes through promotion
Pump enters advanced oxidation device, enters the top of activated carbon adsorption tank after treatment, is then discharged and flows through activity from top to bottom
Layer of charcoal, lower part are discharged reversed washing basin, and backwash pond connects clear water reserviors, and the pressurized pump of clear water reserviors is connected to user, and active carbon layer is filled out
Expect a height of 1.5m, filtering velocity is 11.1 m3/h。
Homogeneous sand filter, activated carbon adsorption tank need to periodically carry out backwash, using gas and water back-flushing method, specific steps
Are as follows: air blasting intensity 15L/ (Sm2), washing time 4min；When air water recoils simultaneously, air blasting intensity is constant, and water rushes intensity 4L/
(S·m2), washing time 4min；It is 8L/ (Sm that last water, which rushes intensity,2), washing time 2min, total recoil time is
10min.Purpose is to remove the impurity being trapped in filter material layer, and filter tank is made to restore filter capacity in a short time, anti-using gas and water
Purging method can improve flushing effect and save washing water quantity.Gas and water repercussion effect is: utilizing ascending air bubble
Vibration effectively the dirt for being attached to filter material surface can be cleaned be allowed to suspend in water, then recoiled again with water dirty
Object is discharged outside pond.
In mechanical mixture pond dosing coagulant PAC(aluminium polychloride), effect is to make water-borne glue body ion and small suspension
Object aggregation.
Flocculation aid PAM(polyacrylamide is added in mechanical flocculation basin), effect is promoted thin to improve flocculation structure
Small and loose wadding grain becomes thick and closely knit, and the mechanism of action is the adsorption bridging of polymer substance.
The beneficial effects of the present invention are: 1, integrated water treatment equipment itself from reaction, flocculation, precipitating, collection mud, spoil disposal,
It catchments, water distribution, filtering, recoil, a series of operation programs such as blowdown, has reached the requirement of automatic running, as long as operator on duty is fixed
When make outside water-quality monitoring measurement work, without to purifier operational administrative.
2, the flocbed of high concentration, can make the impurity particle in raw water, obtain therebetween sufficient making contact, absorption
Probability, thus the water temperature and turbidity of various raw waters are adapted to, impurity particle removal rate is high.
3, efficient flocculation and sedimentation effect make precipitating effluent quality be always maintained at kilter, are discharged concentration of suspension
It can be controlled within 3mg/L.
4, integrated water treatment equipment not only ensure that the high efficiency filter of water purification system, but also can backwash, and can save a large amount of
Capital expenditure and day-to-day operation, maintenance, upkeep cost；In addition, realizing the mode of two kinds of water process for choosing by the setting of valve
It selects, selection adjustment is carried out according to different situations, flexibility is high, high treating effect.
5, occupied area is small, compared with general purification structure, can save 50% or more land occupation, highly at 3.50 meters or so,
Indoor and outdoor can dispose.
6, up to 15 years or more, equipment was made of long service life pond, and steel construction, buried depth is shallower, convenient for extending, changing
It makes, use again, used again convenient for moving or changing places.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of integrated water treatment equipment of the invention；
Fig. 2 is the structural schematic diagram of the integrated water treatment equipment of 2 processing mode of embodiment；
Fig. 3 is the structural schematic diagram of the integrated water treatment equipment of 3 processing mode of embodiment；
Wherein, 1- pre-oxidizes pond, 2- mechanical mixture pond, mixing and blending machine before 21-, 3- machinery flocculation basin, 31- blender, and 4- is oblique
Pipe sedimentation basin, 41- bucket, 42- mud-scraping apparatus, 43- pipeline II, 44- tubular assembly, 45- water outlet I, 46- pipeline I, 47- valve
Door B III, 5- activated carbon adsorption tank, 51- interface III, 52- active carbon layer, 53- water distribution area III, 54- water outlet III, 56- valve A I,
57- gate, 6- sand filter, 61- water inlet IV, 62- water distribution area IV, 63- cut sand filter material layer, 64- water outlet IV, 66- pipeline
IV, 67- valve A III, 8- advanced oxidation device, 81- valve A II, 82- valve B II, 83- valve B IV, 84- valve B I, 91-
Valve B V, 10- backwash pond, the centre 20- promote pond, 201- elevator pump.
Specific embodiment
Technical solution of the present invention is described in detail with reference to the accompanying drawing.
The integrated water treatment equipment of the invention of embodiment 1
Design water is 1000m3/d。
Integrated water treatment equipment, device are integrally formed by welding using steel plate, including pre-oxidation pond 1, the pre-oxidation pond 1
Water inlet pipe 11 is connect with waterline, and for connecting surface pond, pre-oxidation 1 lower end of pond connects mechanical mixture pond 2, and the machinery is mixed
Close mixing and blending machine 21 before being fixed in pond 2；2 lower end of mechanical mixture pond is connected to mechanical flocculation basin 3, fixes in mechanical flocculation basin 3
There is the mechanical flocculation basin of blender 31 lower part connection inclined-tube sedimentation tank 4, bucket 41 is arranged in 4 bottom of inclined-tube sedimentation tank, on bucket 41
Mud-scraping apparatus 42 is arranged in portion, and 4 tops are provided with the tubular assembly 44 angled with horizontal plane in inclined-tube sedimentation tank, described
Inclined-tube sedimentation tank in tubular assembly and horizontal plane at angle be 60 degree；The water outlet I 45 of inclined-tube sedimentation tank 4 passes through pipeline
II 43 connection advanced oxidation devices 8, are arranged valve A I 56, the water outlet I 45 of inclined-tube sedimentation tank 4 also passes through pipe on pipeline II 43
Road I 46 connects 6 top water inlet IV 61 of sand filter, and valve B III 47 is arranged on pipeline I 46；The water outlet of the advanced oxidation device 8
The interface III 51 of mouth connection 5 lower end of activated carbon adsorption tank, is arranged valve between the interface III 51 of advanced oxidation device 8 and lower end
A II 81, the interface III 54 of water outlet connection 5 upper end of activated carbon adsorption tank of the advanced oxidation device 8, in advanced oxidation device
Valve B II 82 is set between 8 and the interface III 54 of upper end；Active carbon layer 52, active carbon is arranged in 5 middle and upper part of activated carbon adsorption tank
The a height of 1.5m of layer, activated carbon adsorption tank lower part are water distribution area III 53；The upper end interface III 54 and sand filter of the activated carbon adsorption tank 5
The connection of 6 top water inlets IV 61, is arranged gate 57, the activated carbon adsorption tank 5 between activated carbon adsorption tank and sand filter
The interface III 51 of lower end also connection backwash pond 10, the backwash pond connect clear water reserviors, and the pressurized pump connection of clear water reserviors is used
Valve B V 91 is arranged in family between the interface III 51 and backwash pond 10 of 5 lower end of activated carbon adsorption tank；6 lower part of sand filter is cloth
Pool IV 62, middle part are cut sand filter material layer 63, the sand filtration bed of material a height of 1.2m, partial size 0.9-1.2mm, the water outlet of the sand filter 6
Valve A III 67, the backwash is arranged in IV 64 connection backwash ponds 10 of mouth, the water outlet IV 64 of sand filter 6 and backwash pond 10
Pond connects clear water reserviors, and the pressurized pump of clear water reserviors is connected to user, and the water outlet IV 64 among IV 66 connection of pipeline also by being promoted
Pond 20, centre promote pond 20 by pipeline connection advanced oxidation device 8, water outlet IV 64 and it is intermediate promoted pond 20 it
Between be arranged valve B IV 83, between water outlet IV 64 and advanced oxidation device 8 be arranged elevator pump 201, in elevator pump 201 and height
Valve B I 84 is set between grade oxidation unit 8, valve B IV 83 is set on pipeline IV 66.
1. pre-oxidizing pond:
Design selects potassium permanganate or hydrogen peroxide to pre-process the pollutant in water, and Hydrogen Peroxide Pre-Oxidation processing is logical
Strong oxidation degradation of organic substances, removal polluter are crossed, subsequent water purification efficiency is improved.Hydrogen peroxide is as stronger oxidation
Agent is applied to drinking water treatment, has the characteristics that investment is small, easy to use.
2. mechanical mixture pond
Mechanical mixture pond is mixing and blending machine before being fixed in pond, mixes water and medicament with agitator drive motor.Machine
Water flow synchronous rotary should be avoided in the design and reduce mixed effect for tool mixing pit, and power of agitator is by the velocity gradient of generation
700—1000S-1It calculates and determines, maximum is no more than 2min.The long 0.8m in mechanical mixture pond in the design, wide 0.8m, high 2.5m are mixed
The conjunction time is 2.0min.The advantages of mechanical mixture pond is good mixing effect, and is not influenced by water variation, and various rule are suitable for
The water factory of mould.
3. mechanical flocculation basin
Mechanical flocculation basin is stirred water through deceleration device driving blender using motor, therefore the energy consumption source of water flow
In the power input of blender.Blender uses perpendicular axis type.Mechanical flocculation basin long 1.6m, wide 1.6m, high 3.6m in the design,
Calculate flocculation time be 12.5min, meet the requirements.The advantages of mechanical flocculation basin is can to change with water quality, water and change at any time
Variable speed can apply to the water factory of any scale to guarantee flocculating effect.
4. inclined-tube sedimentation tank
Pipe sedimentation basin is that the tubular assembly angled with horizontal plane is placed in sedimentation basin to constitute.Water flow can from bottom to top or
It flows from the top to the bottom, particle is then sunken to inclined tube bottom, then slides automatically.The long 2.5m of inclined-tube sedimentation tank in the design, wide 2.4m,
High 3.6m, calculate the table of inclined-tube sedimentation tank is 6.9m at full capacity3/(m2h).Inclined tube material is hot pressed into using thickness 0.6mm plastic plate
Regular hexagon pipe, inscribed circle diameter d=25mm, long 1000mm, 60 ° of level inclination.Sludge pipe uses perforated pipe structure, along sludge
Area bottom setting, conducive to the thorough emptying of sludge.Sludge-drainage time is 1min, sludge discharging period 12h.
5. activated carbon adsorption tank
Active carbon can adsorb that concentration in water is lower, other methods are difficult to the substance removed as a kind of porous mass.Simultaneously also
Can go water removal in turbidity, odor, coloration, improve the mouthfeel of water, and can effectively adsorb synthetic detergent, anion
Surfactant isoreactivity substance.The design activated carbon adsorption tank long 2.5m, wide 2.4m, high 3.6m, calculate filter tank filtering velocity is
10.21m3/ h, carbon leaching material high 1.5m, time of contact 8.8min.
6. the design of homogeneous sand filter uses homogeneous sand filtering material, quartz sand filter media, material is easy to get, cheap.Homogeneous filtering material
Filter bed containing filth amount is big, the period is long, filtering velocity is high, water quality is good.The long 2.4m of sand filter in the design, wide 2.4m, high 3.6m, homogeneous sand filtration
Bed with a thickness of 1200mm, partial size 0.9-1.2mm, calculate homogeneous sand filter filtering velocity be 7.2 m3/h。
As the preferred of structure size, the whole long 11.5m of the device, wide 2.4m, high 3.6m, plant bulk is suitable, is convenient for
Processing and maintenance, meanwhile, it is transported convenient for integral installation.
Sidewall upper connection overflow pipe in mechanical mixture pond passes through overflow pipe after mechanical mixture pool inner water position is exceeded
Discharge guarantees that water treatment facilities runs well.
2 integral water treating method of embodiment
Open valve A I, A II, A III;
Close valve B III, B II, B IV, B V, B I;
The process flow of the processing method are as follows: surface pond → pre-oxidation pond → mechanical mixture pond → machinery flocculation basin → inclined tube is heavy
Shallow lake pond → advanced oxidation device (ozone contact tank) → to upper activated carbon adsorption tank → sand filter → backwash pond → water outlet.
Integral water treating method, the specific steps are as follows:
Surface pond through waterline by pre-oxidize pond water inlet pipe 11 initially enter pre-oxidation pond 1, added potassium permanganate into
Row pre-oxidation, the dosage of potassium permanganate are 1mg/L, by its strong oxidation degradation of organic substances, removal polluter, are improved
Subsequent water purification efficiency；Water enters mechanical mixture pond 2 after pre-oxidation treatment, and in mechanical mixture pond, 2 dosing coagulant PAC(polymerize chlorine
Change aluminium), dosage 25mg/L, power of agitator is 700-1000S by the velocity gradient generated-1, incorporation time 2.0min；
Treated, and water enters the inside of mechanical flocculation basin 3, and flocculation aid PAM(polyacrylamide is added), dosage 0.5mg/L makes
Suspended matter and coagulant in water come into full contact with to form alumen ustum, flocculation time 10.5min；Treated, and water flocculates by mechanical
Channel between the under shield of pond enters inclined-tube sedimentation tank 4 and is precipitated, and processing water is completed to be separated by solid-liquid separation by inclined tube, precipitating
The sludge to get off is discharged into bucket 41, sludge-drainage time 1min, sludge discharging period 12h by mud-scraping apparatus 42；Place after precipitation
It manages water and flows into advanced oxidation device (ozone contact tank) 8, be filtered after treatment into activated carbon adsorption tank, active carbon is inhaled
Attached pond lower part is water distribution area, and top is active carbon layer, and water flow flows through active carbon layer from bottom to top, and active carbon layer filler is a height of
1.5m, filtering velocity are 10.21 m3/ h,；Through flowing into homogeneous sand filter, homogeneous sand filter lower part to the water of upper activated carbon adsorption tank
For water distribution area, middle part is cut sand filter material layer, and water flow flows through cut sand filter material layer from top to bottom, and cut sand filter material layer is a height of
1.2m, partial size 0.9-1.2mm, filtering velocity 7.2m3/h；Sand filter water outlet enters backwash pond 10, the water outlet IV 64 of sand filter 6
Valve A III 67 is set with backwash pond 10, the backwash pond connects clear water reserviors, and the pressurized pump of clear water reserviors is connected to user.
Homogeneous sand filter, activated carbon adsorption tank need to periodically carry out backwash, using gas and water back-flushing method, specific steps
Are as follows: air blasting intensity 15L/ (Sm2), washing time 4min；When air water recoils simultaneously, air blasting intensity is constant, and water rushes intensity 4L/
(S·m2), washing time 4min；It is 8L/ (Sm that last water, which rushes intensity,2), washing time 2min, total recoil time is
10min.Purpose is to remove the impurity being trapped in filter material layer, and filter tank is made to restore filter capacity in a short time, anti-using gas and water
Purging method can improve flushing effect and save washing water quantity.Gas and water repercussion effect is: utilizing ascending air bubble
Vibration effectively the dirt for being attached to filter material surface can be cleaned be allowed to suspend in water, then recoiled again with water dirty
Object is discharged outside pond.
In mechanical mixture pond dosing coagulant PAC(aluminium polychloride), effect is to make water-borne glue body ion and small suspension
Object aggregation.
Flocculation aid PAM(polyacrylamide is added in mechanical flocculation basin), effect is promoted thin to improve flocculation structure
Small and loose wadding grain becomes thick and closely knit, and the mechanism of action is the adsorption bridging of polymer substance.
3 integral water treating method of embodiment
Close valve A I, A II, A III;
Open valve B III, B II, B IV, B V, B I;
The process flow of the processing method are as follows: surface pond → pre-oxidation pond → mechanical mixture pond → machinery flocculation basin → inclined tube is heavy
Shallow lake pond → sand filter → intermediate pool → advanced oxidation device (ozone contact tank) → activated carbon adsorption tank → backwash pond → go out
Water.
Integral water treating method, the specific steps are as follows:
Surface pond initially enters pre-oxidation pond by the water inlet pipe for pre-oxidizing pond through waterline, adds hydrogen peroxide and carries out pre- oxygen
Change, the dosage of hydrogen peroxide is 2mg/L, by its strong oxidation degradation of organic substances, removal polluter, is improved subsequent net
Water efficiency；Water enters mechanical mixture pond after pre-oxidation treatment, in mechanical mixture pond dosing coagulant PAC(aluminium polychloride), it throws
Dosage is 25mg/L, and power of agitator is 700-1000S by the velocity gradient generated-1, incorporation time 1.2min；Treated
Water enters the bottom inner portion of mechanical flocculation basin by pipeline I, and flocculation aid PAM(polyacrylamide is added in mechanical flocculation basin),
Dosage is 0.5mg/L, after water is agitated, makes suspended matter and coagulant in water come into full contact with to form alumen ustum, flocculation time is
10.5min；Treated water enters inclined-tube sedimentation tank by the channel between mechanical flocculation basin under shield and is precipitated, and handles
Water is completed to be separated by solid-liquid separation by inclined tube, and the sludge to precipitate is discharged into bucket, sludge-drainage time 1min, spoil disposal by mud-scraping apparatus
Period is 12h；Processing water after precipitation flows into homogeneous sand filter, and homogeneous sand filter lower part is water distribution area, and middle part is cut sand
Filter material layer, water flow flow through cut sand filter material layer from top to bottom, cut sand filter material layer a height of 1.2m, partial size 0.9-1.2mm, and filtering velocity is
7.2m3/ h, processed water by homogeneous sand filter water outlet IV 64 enter it is intermediate promote pond 20, then by elevator pump 201 into
Enter advanced oxidation device (ozone contact tank) 8, enters the top of activated carbon adsorption tank after treatment, be then discharged from top to bottom
Active carbon layer is flowed through, lower part is discharged reversed washing basin 10, and backwash pond connects clear water reserviors, and the pressurized pump of clear water reserviors is connected to user,
The a height of 1.5m of active carbon layer filler, filtering velocity are 10.21 m3/h。
Claims (9)
1. integrated water treatment equipment, device is integrally formed by welding using steel plate, which is characterized in that including pre-oxidizing pond, this is pre-
The water inlet pipe of oxidation pond is connect with waterline, and pre-oxidation pond lower end connects mechanical mixture pond, is fixed in the mechanical mixture pond
Preceding mixing and blending machine；Mechanical mixture pond lower end is connected to mechanical flocculation basin, is fixed with blender, mechanical flocculation basin in mechanical flocculation basin
Bucket is arranged in lower part connection inclined-tube sedimentation tank, tube settling bottom of pond portion, mud-scraping apparatus is arranged on bucket top, in inclined-tube sedimentation tank
Middle and upper part is provided with the tubular assembly angled with horizontal plane；The water outlet I of inclined-tube sedimentation tank connects height by pipeline II
Grade oxidation unit, is arranged valve A I on pipeline II, and the water outlet I of inclined-tube sedimentation tank also connects sand filter top by pipeline I
Valve B III is arranged in water inlet IV on pipeline I；The water outlet connection activated carbon adsorption tank lower end of the advanced oxidation device connects
Valve A II, the water outlet connection of the advanced oxidation device is arranged in mouth III between the interface III of advanced oxidation device and lower end
Valve B II is arranged in the interface III of activated carbon adsorption tank upper end between the interface III of advanced oxidation device and upper end；The active carbon
Active carbon layer is arranged in adsorption tank middle and upper part, and activated carbon adsorption tank lower part is water distribution area III；The upper end interface of the activated carbon adsorption tank
III connect with sand filter top water inlet IV, and gate is arranged between activated carbon adsorption tank and sand filter, and the active carbon is inhaled
The interface III of attached pond lower end also connection backwash pond, the backwash pond connect clear water reserviors, and the pressurized pump connection of clear water reserviors is used
Valve B V is arranged in family between the interface III and backwash pond of activated carbon adsorption tank lower end；Sand filter lower part is water distribution area IV,
Middle part is cut sand filter material layer, the IV 64 connection backwash pond of water outlet of the sand filter, the water outlet IV and backwash water of sand filter
Valve A III is arranged in pond, and the backwash pond connects clear water reserviors, and the pressurized pump of clear water reserviors is connected to user, and the water outlet IV is also logical
IV connection of piping centre promotes pond, and centre promotes pond through pipeline connection advanced oxidation device, in water outlet IV in
Between promoted pond between be arranged valve B IV, elevator pump is set between water outlet IV and advanced oxidation device, in elevator pump and height
Valve B I is set between grade oxidation unit, valve IV is set on pipeline IV.
2. integrated water treatment equipment according to claim 1, which is characterized in that the tubulose in the inclined-tube sedimentation tank
Component and horizontal plane at angle be 40-70 degree, tubular assembly is several inclined tubes compositions.
3. integrated water treatment equipment according to claim 1, which is characterized in that the device whole long 11.5m, it is wide
2.4m, high 3.6m.
4. integrated water treatment equipment according to claim 1, which is characterized in that a height of 1.5m of active carbon layer.
5. integrated water treatment equipment according to claim 1, which is characterized in that a height of 1.2m of the sand filtration bed of material, partial size
0.9-1.2mm。
6. integrated water treatment equipment according to claim 2, which is characterized in that make tubular assembly and horizontal plane at angle
Degree is 60 degree.
7. using the integral water treating method of device described in claim 1-6 any claim, the specific steps are as follows: ground
Face water source initially enters pre-oxidation pond by the water inlet pipe for pre-oxidizing pond through waterline, adds hydrogen peroxide or potassium permanganate carries out
Pre-oxidation, the dosage of hydrogen peroxide are 2mg/L, and the dosage of potassium permanganate is 1mg/L, are had by the degradation of its strong oxidation
Machine object, removal polluter, improve subsequent water purification efficiency；Water enters mechanical mixture pond after pre-oxidation treatment, in mechanical mixture pond
Dosing coagulant PAC(aluminium polychloride), dosage 25mg/L, power of agitator is 700-by the velocity gradient generated
1000S-1, incorporation time 1.2min；Treated, and water enters the inside of mechanical flocculation basin, and flocculation aid PAM(polyacrylamide is added
Amine), dosage 0.5mg/L makes suspended matter and coagulant in water come into full contact with to form alumen ustum, flocculation time 15.4min；
Treated water enters inclined-tube sedimentation tank by the channel between mechanical flocculation basin under shield and is precipitated, and processing water is by oblique
Pipe is completed to be separated by solid-liquid separation, and the sludge to precipitate is discharged into bucket, sludge-drainage time 1min by mud-scraping apparatus, and sludge discharging period is
12h；Processing water after precipitation flows into advanced oxidation device, is filtered after treatment into activated carbon filter, active carbon
Adsorption tank lower part is water distribution area, and top is active carbon layer, and water flow flows through active carbon layer from bottom to top, and active carbon layer filler is a height of
1.5m, filtering velocity are 11.1 m3/h；Through flowing into homogeneous sand filter to the water of upper activated carbon adsorption tank, homogeneous sand filter lower part is
Water distribution area, middle part are cut sand filter material layer, and water flow flows through cut sand filter material layer from top to bottom, a height of 1.2m of cut sand filter material layer,
Partial size 0.9-1.2mm, filtering velocity 8.3m3/h；Sand filter water outlet enters backwash pond, the water outlet IV of sand filter and backwash pond
Valve A III is set, and the backwash pond connects clear water reserviors, and the pressurized pump of clear water reserviors is connected to user.
8. using the integral water treating method of device described in claim 1-6 any claim, the specific steps are as follows: ground
Face water source initially enters pre-oxidation pond by the water inlet pipe for pre-oxidizing pond through waterline, adds hydrogen peroxide or potassium permanganate carries out
Pre-oxidation, the dosage of hydrogen peroxide are 2mg/L, and the dosage of potassium permanganate is 1mg/L, are had by the degradation of its strong oxidation
Machine object, removal polluter, improve subsequent water purification efficiency；Water enters mechanical mixture pond after pre-oxidation treatment, in mechanical mixture pond
Dosing coagulant PAC(aluminium polychloride), dosage 25mg/L, power of agitator is 700-by the velocity gradient generated
1000S-1, incorporation time 1.2min；Treated, and water enters the bottom inner portion of mechanical flocculation basin by pipeline I, and addition helps solidifying
Agent PAM(polyacrylamide), dosage 0.5mg/L, suspended matter and coagulant in water come into full contact with to form alumen ustum, when flocculation
Between be 15.4min；Treated water enters inclined-tube sedimentation tank by the channel between mechanical flocculation basin under shield and is precipitated,
It handling water and completes to be separated by solid-liquid separation by inclined tube, the sludge to precipitate is discharged into bucket by mud-scraping apparatus, sludge-drainage time 1min,
Sludge discharging period is 12h；Processing water after precipitation flows into homogeneous sand filter, and homogeneous sand filter lower part is water distribution area, and middle part is equal
The matter sand filtration bed of material, water flow flow through cut sand filter material layer, cut sand filter material layer a height of 1.2m, partial size 0.9-1.2mm, filter from top to bottom
Speed is 8.3m3/ h, processed water enters intermediate promotion pond by homogeneous sand filter water outlet IV, then enters height by elevator pump
Grade oxidation unit, enters the top of activated carbon adsorption tank after treatment, is then discharged and flows through active carbon layer from top to bottom, lower part
It is discharged reversed washing basin, backwash pond connects clear water reserviors, and the pressurized pump of clear water reserviors is connected to user, and active carbon layer filler is a height of
1.5m, filtering velocity are 11.1 m3/h。
9. integral water treating method according to claim 7 or 8, which is characterized in that homogeneous sand filter, activated carbon adsorption
Pond need to periodically carry out backwash, using gas and water back-flushing method, specific steps are as follows: air blasting intensity 15L/ (Sm2), washing time
4min；When air water recoils simultaneously, air blasting intensity is constant, and water rushes intensity 4L/ (Sm2), washing time 4min；Last water rushes intensity
For 8L/ (Sm2), washing time 2min, total recoil time is 10min.
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Application publication date: 20190101 |