CN110510800A - A kind of magnetic-coagulation precipitating sewage disposal device and sewage water treatment method - Google Patents
A kind of magnetic-coagulation precipitating sewage disposal device and sewage water treatment method Download PDFInfo
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- CN110510800A CN110510800A CN201910839695.5A CN201910839695A CN110510800A CN 110510800 A CN110510800 A CN 110510800A CN 201910839695 A CN201910839695 A CN 201910839695A CN 110510800 A CN110510800 A CN 110510800A
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- coagulating
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- 238000005345 coagulation Methods 0.000 title claims abstract description 90
- 239000010865 sewage Substances 0.000 title claims abstract description 45
- 230000001376 precipitating effect Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 95
- 238000005189 flocculation Methods 0.000 claims abstract description 88
- 230000016615 flocculation Effects 0.000 claims abstract description 88
- 230000001112 coagulating effect Effects 0.000 claims abstract description 68
- 239000006247 magnetic powder Substances 0.000 claims abstract description 46
- 239000010802 sludge Substances 0.000 claims abstract description 23
- 239000004615 ingredient Substances 0.000 claims abstract description 11
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 10
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 10
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 10
- 239000011777 magnesium Substances 0.000 claims abstract description 8
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 7
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 6
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 6
- 239000007844 bleaching agent Substances 0.000 claims abstract description 6
- 239000004571 lime Substances 0.000 claims abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 7
- 238000010008 shearing Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000012295 chemical reaction liquid Substances 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 5
- 239000000701 coagulant Substances 0.000 claims description 3
- 244000144992 flock Species 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000006228 supernatant Substances 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000003311 flocculating effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
-
- 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
- C02F1/5254—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using magnesium compounds and phosphoric acid for removing ammonia
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The present invention relates to technical field of sewage treatment equipment, sewage disposal device and sewage water treatment method are precipitated more particularly to a kind of magnetic-coagulation, it is added into sewage after magnesium carbonate carries out coagulating treatment and is sent into magnetic-coagulation reactor tank, into magnetic-coagulation reactor tank, adding ingredient is 8.2-8.8wt%si, 9.5-9.7wt%Mg, remaining carries out magnetic-coagulation reaction for the magnetic powder of Fe, it is sent into flocculation reaction tank after reaction, it is 12-15wt% bleaching powder that ingredient is added into flocculation reaction tank, remaining is the flocculant of white lime, settling tank precipitating is sent into after reaction, supernatant is discharged by discharge outlet, after sludge is discharged by sludge outlet, it is sent into shear shear treatment, magnetic powder is recycled by magnetic drum again, sludge recently enters sludge reservoir, sewage disposal device of the present invention is compact-sized simple, the processing of combination processing method Sewage, good sewage processing effect, low energy consumption.
Description
Technical field
The present invention relates to technical field of sewage, and in particular at a kind of magnetic-coagulation precipitating sewage disposal device and sewage
Reason method.
Background technique
Magnetic-coagulation precipitating is the usual way of Treating Municipal Sewage, it is introduced in efficient flocculating sedimentation basin water-purifying process
Magnetic particle, by the algae in water, small suspended matter, glue the effects of by flocculating, attracting absorption, charge adsorption, bridge formation, net to catch
The insoluble pollutant such as body, bacterium is effectively combined with particle magnetic powder, is formed the magnetic wadding body of more volume and density, is enhanced wadding
Solidifying effect, can capture the pollutant of cohesion more nominal particle size, and settling of floccus is fast, water body purification excellent effect, be discharged limpid
Bright, existing magnetic-coagulation precipitation integral equipment is primarily present following disadvantage: 1: processing equipment is not enough concentrated, and space occupied is big；2:
Using energy source is not reasonable, and energy consumption is bigger than normal；3: the problems such as magnetic powder rate of recovery is low.
Summary of the invention
Aiming at the problem that being previously mentioned in background technique, the present invention provides a kind of magnetic-coagulation precipitating sewage disposal device,
The present invention realizes by following technical solution:
A kind of magnetic-coagulation precipitating sewage disposal device,
From top to bottom be successively arranged including shaft, in shaft the first paddle, coagulating tank bottom seat, the second paddle,
Magnetic-coagulation reactor tank pedestal, third paddle, flocculation reaction tank bottom seat, crushing block, the first paddle, the second paddle, third
Paddle, crushing block are fixed in shaft, coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat difference
It is socketed in shaft by bearing, the top difference of coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat
Tank, flocculation reaction tank are reacted equipped with coagulating tank, magnetic-coagulation；
First paddle is arranged on the inside of coagulating tank, and the setting of the second paddle is in magnetic-coagulation reaction tank
The inside of flocculation reaction tank is arranged in side, third paddle；
The coagulating tank is connected to coagulant dosage device, and the coagulating tank enters equipped with sewage
Mouthful, the magnetic-coagulation reaction tank is connected to magnetic powder throwing device, the flocks reaction tank and flocculation aid throwing device
Connection；
Coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat can each free telescopic device driving phases
Shaft is moved up and down, coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat are driven by retractable driving device
Moving can separate with coagulating tank, magnetic-coagulation reaction tank, flocculation reaction tank when moving down respectively, and coagulation is anti-
Tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat is answered to be driven up by retractable driving device and be moved to certain position
When, the sealed bottom of tank, flocculation reaction tank can be reacted with coagulating tank, magnetic-coagulation respectively；
The inside of magnetic-coagulation reaction tank is arranged in coagulating tank bottom seat, and the setting of magnetic-coagulation reactor tank pedestal is being flocculated
The inside of tank is reacted, the inside of precipitating tank is arranged in flocculation reaction tank bottom seat, and crushing block setting is in precipitating tank
Inside；
The top for precipitating tank is equipped with discharge outlet, and the lower part for precipitating tank is equipped with settling zone, and the bottom of settling zone is set
There is sewage draining exit, blow-off line is connected at sewage draining exit, crushing block can be protruded into blow-off line by the drive of shaft by settling zone；
Blow-off line is equipped with drainage mouth, and drainage mouth is corresponding to sewage draining exit to be arranged, equipped with strainer at drainage mouth, at drainage mouth
It is connected with drainage pipeline；
It is connected with shear at the dirt-discherging outlet of blow-off line, is set on the pipeline connected between blow-off line and shear
There is macerator pump；
It is connected with magnetic drum at the dirt-discherging outlet of shear, the connecting pipe of shear and magnetic drum is equipped with macerator pump；
Magnetic drum is equipped with magnetic powder outlet, sludge outlet, and magnetic powder outlet is connected with magnetic powder recovering device, connects at sludge outlet
There is sludge reservoir.
Further, the first paddle is symmetricly set on the stirring of the first pin type in shaft by symmetry axis of shaft by several
Leaf composition, the shape and coagulating tank tank bottom of the first pin type paddle to the inner wall curve identical between tank mouth, first
The ratio between height and coagulating tank height of pin type paddle are 1:1.4-1.6, the rotational trajectory of the first pin type paddle
It is parallel with the inner wall of coagulating tank；
Second paddle includes several the second pin type paddles being symmetricly set in shaft using shaft as symmetry axis, and second
The shape of pin type paddle reacts tank tank bottom with magnetic-coagulation to the inner wall curve identical between tank mouth, the second pin type paddle
Height reacted with magnetic-coagulation the ratio between tank height be 1:1.4-1.6, the rotational trajectory and magnetic-coagulation of the second pin type paddle
The inner wall for reacting tank is parallel；
Third paddle includes that several third pin type paddles being symmetricly set in shaft by symmetry axis of shaft form,
The shape and flocculation reaction tank tank bottom of third pin type paddle to the inner wall curve identical between tank mouth, third pin type stir
The ratio between height and flocculation reaction tank height of leaf are 1:1.4-1.6, and the rotational trajectory of third pin type paddle and flocculation are anti-
Answer the inner wall of tank parallel.
Further, shear includes shearing tank, and shearing tank interior is equipped with shear in the height direction,
Shear includes the movable part from top to bottom set gradually, cut part, fixed part in the height direction；
By several X-type brackets set gradually in the height direction, the X-type bracket includes being arranged in a crossed manner for cut part
And two connecting rods that middle part is hinged, two connecting rods of any one X-type bracket respectively correspondingly with adjacent X-type bracket
Two connecting rods are hinged；
Movable part driven by cylinder it is up and down in the height direction, cut part in the height direction adjacent two connecting rods by
The drive of movable part is close to each other or separate；
Further, angle opens and closes scope control between two connecting rods that X-type bracket is arranged in a crossed manner and middle part is hinged
At 175-178 °.
A kind of sewage water treatment method, includes the following steps,
(1) magnesium carbonate is added into coagulating tank, magnesium carbonate adds ratio 26mg/L, opens driving equipment and makes
Shaft rotation, after driving the sewage in coagulating tank to be sufficiently stirred with magnesium carbonate and react 1.8min, unlatching free extension
Equipment drives coagulating tank bottom seat to be detached from coagulating tank, so that sufficiently reaction obtains in coagulating tank
Coagulating liquid enters magnetic-coagulation reaction tank；
(2) magnetic powder is added into magnetic-coagulation reaction tank, it is 25mg/L that magnetic powder, which adds ratio, and the ingredient of the magnetic powder is
8.2wt%si, 9.5wt%Mg, remaining is Fe, opens driving equipment and shaft is rotated, and is driven in magnetic-coagulation reaction tank
Coagulating liquid be sufficiently stirred with magnetic powder and react 1.8min after, open free extension equipment, drive magnetic-coagulation reactor tank pedestal
It is detached from magnetic-coagulation and reacts tank, so that the magnetic-coagulation reaction solution sufficiently reacted in magnetic-coagulation reaction tank enters flocculation
React tank；
(3) flocculation aid is added into flocculation reaction tank, flocculation aid adds ratio 30mg/L, the ingredient of the flocculation aid
For 12wt% bleaching powder, remaining is white lime, opens driving equipment and shaft is rotated, drive the magnetic in flocculation reaction tank
Coagulating liquid is sufficiently stirred with flocculation aid react 1.8min after, open free extension equipment, drive flocculation reaction tank bottom seat de-
From flocculation reaction tank, so that the flocculation reaction liquid sufficiently reacted in flocculation reaction tank enters precipitating tank
It is interior；
(4) it after flocculation reaction liquid is sent into precipitating tank, staticly settles 30 hours, the sludge after precipitating is sent into shearing dress
In setting, by being sent into magnetic drum after shear shear treatment, magnetic powder is delivered to magnetic powder recovering device by magnetic powder outlet, and sludge is by dirt
Mud outlet is delivered to sludge reservoir.
Further, the ingredient of the magnetic powder is 8.5wt%si, 9.6wt%Mg, remaining is Fe.
Further, the ingredient of the flocculation aid is 13wt% bleaching powder, remaining is white lime.
The beneficial effects of the invention are that the setting between each device of magnetic-coagulation precipitation integral equipment of the present invention is so that entirety
Device structure is compact, and occupied area is small, realizes three tank bodies of stirring simultaneously using a shaft, saves equipment and energy consumption, stir
The design for mixing leaf is conducive to reactant rapid precipitation in tank base, and the design of tank base can guarantee in upper level reactor tank
Sediment be delivered to next stage reactor tank in time, and sediment institutional framework can be protected, accelerate reaction process, cut part
Design can more preferably be crushed sludge, be conducive to magnetic powder and recycle.
Detailed description of the invention
Fig. 1 is that magnetic-coagulation of the present invention precipitates sewage disposal device structural schematic diagram；
Fig. 2 is shear structural schematic diagram of the present invention.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is further described, and following embodiment is that a part of the invention is real
Apply example, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not before making the creative labor
Other embodiments obtained are put, are all belonged to the scope of protection of the present invention, in addition, all connections mentioned in the present invention/
Connection relationship not singly refers to that component is connected directly, but is come according to specific implementation situation by adding or reducing connection auxiliary
Form more preferably connection/connection structure.
Embodiment 1: a kind of magnetic-coagulation precipitating sewage disposal device,
The first paddle, coagulating tank bottom seat, the second stirring are from top to bottom successively arranged including shaft 4, in shaft 4
Leaf, magnetic-coagulation reactor tank pedestal, third paddle, flocculation reaction tank bottom seat, crushing block 6, the first paddle, the second paddle,
Third paddle, crushing block 6 are fixed in shaft 4, coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom
Seat is socketed in shaft 4 by bearing respectively, coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat
Top is respectively equipped with coagulating tank 1, magnetic-coagulation reaction tank 2, flocculation reaction tank 3；
The setting of first paddle reacts tank 2 in magnetic-coagulation in 1 inside of coagulating tank, the setting of the second paddle
The inside of flocculation reaction tank 3 is arranged in inside, third paddle；
First paddle is that the first pin type paddle that symmetry axis is symmetricly set in shaft 4 forms with shaft 4 by two,
The shape and 1 tank bottom of coagulating tank of first pin type paddle to the inner wall curve identical between tank mouth, stir by the first pin type
The ratio between 1 height of height and coagulating tank of leaf is mixed as 1:1.4, the rotational trajectory and coagulating of the first pin type paddle
The inner wall of tank 1 is parallel；
Second paddle includes two the second pin type paddles being symmetricly set on shaft 4 for symmetry axis in shaft 4, the
The shape of two-needle type paddle reacts 2 tank bottom of tank with magnetic-coagulation to the inner wall curve identical between tank mouth, and the second pin type is stirred
It mixes the height of leaf and magnetic-coagulation reacts the ratio between 2 height of tank for 1:1.4, the rotational trajectory and magnetic-coagulation of the second pin type paddle
The inner wall for reacting tank 2 is parallel；
Third paddle includes two third pin type paddle groups being symmetricly set on shaft 4 for symmetry axis in shaft 4
At the shape and 3 tank bottom of flocculation reaction tank of, third pin type paddle to the inner wall curve identical between tank mouth, third pin type
The ratio between 3 height of height and flocculation reaction tank of paddle is 1:1.4, and the rotational trajectory of third pin type paddle and flocculation are anti-
Answer the inner wall of tank 3 parallel；
The coagulating tank 1 is connected to coagulant dosage device, and the coagulating tank 1 is equipped with sewage
Entrance, the magnetic-coagulation reaction tank 2 are connected to magnetic powder throwing device, and the flocks reaction tank 3 is added with flocculation aid
Device connection；
Coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat can each free telescopic device driving phases
Shaft 4 is moved up and down, coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat are by retractable driving device
Driving can be separated with coagulating tank 1, magnetic-coagulation reaction tank 2, flocculation reaction tank 3 respectively when moving down,
Coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat are driven up by retractable driving device and are moved to one
When positioning is set, the sealed bottom of tank 2, flocculation reaction tank 3 can be reacted with coagulating tank 1, magnetic-coagulation respectively；
The inside of magnetic-coagulation reaction tank 2 is arranged in coagulating tank bottom seat, and the setting of magnetic-coagulation reactor tank pedestal is being wadded a quilt with cotton
The inside of precipitating tank 5 is arranged in the inside of solidifying reaction tank 3, flocculation reaction tank bottom seat, and crushing block 6 is arranged in settling tank
The inside of tank body 5；
The top for precipitating tank 5 is equipped with discharge outlet, and the lower part of precipitating tank 5 is equipped with settling zone, the bottom of settling zone
Equipped with sewage draining exit, blow-off line 7 is connected at sewage draining exit, crushing block 6 can protrude into blow-off line by settling zone by the drive of shaft 4
In 7；
Blow-off line 7 is equipped with drainage mouth 8, and drainage mouth 8 is corresponding to sewage draining exit to be arranged, and strainer, drainage are equipped at drainage mouth 8
Drainage pipeline is connected at mouth 8；
Shear 9, the pipeline connected between blow-off line 7 and shear 9 are connected at the dirt-discherging outlet of blow-off line 7
It is equipped with macerator pump；
Shear 9 includes shearing tank, and shearing tank interior is equipped with shear, shear in the height direction
It in the height direction include movable part 11, cut part 10, the fixed part 12 from top to bottom set gradually；
By several X-type brackets set gradually in the height direction, the X-type bracket includes being arranged in a crossed manner for cut part
And two connecting rods that middle part is hinged, two connecting rods of any one X-type bracket respectively correspondingly with adjacent X-type bracket
Two connecting rods are hinged；
Movable part 11 is driven up and down in the height direction, cut part 10 in the height direction adjacent two by cylinder 13
Connecting rod is close to each other or separate by the drive of movable part 11, two connecting rods that X-type bracket is arranged in a crossed manner and middle part is hinged it
Between angle folding scope control at 175-178 °；
Magnetic drum 14 is connected at the dirt-discherging outlet of shear 9, shear 9 and the connecting pipe of magnetic drum 14 are equipped with crushing
Pump；
Magnetic drum 14 is equipped with magnetic powder outlet, sludge outlet, and magnetic powder outlet is connected with magnetic powder recovering device, connects at sludge outlet
It is connected to sludge reservoir.
A kind of sewage water treatment method, includes the following steps,
(1) magnesium carbonate is added into coagulating tank 1, magnesium carbonate adds ratio 26mg/L, and opening driving equipment makes
Shaft 4 rotates, after driving the sewage in coagulating tank 1 to be sufficiently stirred with magnesium carbonate and react 1.8min, unlatching is free
Telescopic equipment drives coagulating tank bottom seat to be detached from coagulating tank 1, so that sufficiently reacting in coagulating tank 1
Obtained coagulating liquid enters magnetic-coagulation reaction tank 2；
(2) magnetic powder is added into magnetic-coagulation reaction tank 2, it is 25mg/L, the ingredient of the magnetic powder that magnetic powder, which adds ratio,
For 8.2wt%si, 9.5wt%Mg, remaining is Fe, opens driving equipment and shaft 4 is rotated, magnetic-coagulation is driven to react tank
Coagulating liquid in 2 is sufficiently stirred with magnetic powder react 1.8min after, open free extension equipment, drive magnetic-coagulation reactor tank bottom
Seat is detached from magnetic-coagulation and reacts tank 2, so that the magnetic-coagulation reaction solution sufficiently reacted in magnetic-coagulation reaction tank 2 enters
Flocculation reaction tank 3；
(3) add flocculation aid into flocculation reaction tank 3, flocculation aid adds ratio 30mg/L, the flocculation aid at
It is divided into 12wt% bleaching powder, remaining is white lime, opens driving equipment and shaft 4 is rotated, drive in flocculation reaction tank 3
Magnetic-coagulation reaction solution be sufficiently stirred with flocculation aid and react 1.8min after, open free extension equipment, drive flocculation reaction tank bottom
Seat is detached from flocculation reaction tank 3, so that the flocculation reaction liquid sufficiently reacted in flocculation reaction tank 3 enters settling tank
In tank body 5；
(4) it after flocculation reaction liquid is sent into precipitating tank 5, staticly settles 30 hours, the sludge after precipitating is sent into shearing
In device 9, by being sent into magnetic drum 14 after 9 shear treatment of shear, magnetic powder is delivered to magnetic powder recovering device by magnetic powder outlet, dirty
Mud is delivered to sludge reservoir by sludge outlet.
On the basis of 1 parameter of embodiment, by changing magnetic powder parameter, and keep other operating conditions constant, further to this
Invention further illustrates；
As seen from the above table, the pairs of COD of sewage of the group of magnetic powder, total phosphorus, influent turbidity removal rate have certain influence, wherein
8.2wt%si, 9.5wt%Mg are added in magnetic powder, can significantly improve to COD of sewage, total phosphorus, influent turbidity removal rate,
8.2wt%si is added in magnetic powder, has certain effect to the raising of COD removal rate, but can reduce total tp removal rate, in magnetic powder
Addition 9.5wt%Mg has remarkable effect to raising COD, total tp removal rate, but is unfavorable for reducing supernatant fluid turbidity.
On the basis of 1 parameter of embodiment, by changing flocculation aid parameter, and keep other operating conditions constant, it is further right
The present invention further illustrates；
As seen from the above table, 12wt% bleaching powder is added in flocculation aid, is conducive to final magnetic powder recycling.
Claims (7)
1. a kind of magnetic-coagulation precipitates sewage disposal device,
It is mixed that the first paddle, coagulating tank bottom seat, the second paddle, magnetic are from top to bottom successively arranged including shaft, in shaft
Solidifying reactor tank pedestal, third paddle, flocculation reaction tank bottom seat, crushing block, the first paddle, the second paddle, third stirring
Leaf, crushing block are fixed in shaft, and coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat pass through respectively
Bearing is socketed in shaft, and coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal are respectively equipped with above flocculation reaction tank bottom seat
Coagulating tank, magnetic-coagulation react tank, flocculation reaction tank；
First paddle is arranged on the inside of coagulating tank, and the setting of the second paddle is reacted on the inside of tank in magnetic-coagulation,
The inside of flocculation reaction tank is arranged in third paddle；
The coagulating tank is connected to coagulant dosage device, and the coagulating tank is equipped with sewage inlet,
The magnetic-coagulation reaction tank is connected to magnetic powder throwing device, and the flocks reaction tank and flocculation aid throwing device connect
It is logical；
Coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat can each opposite turn of free telescopic device drivings
Axis moves up and down, coagulating tank bottom seat, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat from retractable driving device drive to
It can be separated respectively with coagulating tank, magnetic-coagulation reaction tank, flocculation reaction tank when lower mobile, coagulating tank
Pedestal, magnetic-coagulation reactor tank pedestal, flocculation reaction tank bottom seat are driven up when being moved to certain position by retractable driving device, can
The sealed bottom of tank, flocculation reaction tank is reacted with coagulating tank, magnetic-coagulation respectively；
The inside of magnetic-coagulation reaction tank is arranged in coagulating tank bottom seat, and magnetic-coagulation reactor tank pedestal is arranged in flocculation reaction
The inside of precipitating tank is arranged in the inside of tank, flocculation reaction tank bottom seat, and crushing block is arranged in precipitating tank
Side；
The top for precipitating tank is equipped with discharge outlet, and the lower part for precipitating tank is equipped with settling zone, and the bottom of settling zone is equipped with row
Dirty mouth is connected with blow-off line at sewage draining exit, and crushing block can be protruded into blow-off line by the drive of shaft by settling zone；
Blow-off line is equipped with drainage mouth, and drainage mouth is corresponding to sewage draining exit to be arranged, and strainer is equipped at drainage mouth, is connected at drainage mouth
There is drainage pipeline；
Shear is connected at the dirt-discherging outlet of blow-off line, the pipeline connected between blow-off line and shear is equipped with powder
Broken pump；
It is connected with magnetic drum at the dirt-discherging outlet of shear, the connecting pipe of shear and magnetic drum is equipped with macerator pump；
Magnetic drum is equipped with magnetic powder outlet, sludge outlet, and magnetic powder outlet is connected with magnetic powder recovering device, is connected with dirt at sludge outlet
Mud reservoir.
2. a kind of magnetic-coagulation according to claim 1 precipitates sewage disposal device, which is characterized in that if the first paddle by
Dry the first pin type paddle being symmetricly set in shaft by symmetry axis of shaft form, the shape of the first pin type paddle with mix
Solidifying tank tank bottom of reacting is to the inner wall curve identical between tank mouth, the height and coagulating tank of the first pin type paddle
The ratio between height is 1:1.4-1.6, and the rotational trajectory of the first pin type paddle is parallel with the inner wall of coagulating tank.
Second paddle includes several the second pin type paddles being symmetricly set in shaft using shaft as symmetry axis, the second pin type
The shape of paddle reacts tank tank bottom with magnetic-coagulation to the inner wall curve identical between tank mouth, the height of the second pin type paddle
It is 1:1.4-1.6 that degree, which reacts the ratio between tank height with magnetic-coagulation, and the rotational trajectory of the second pin type paddle is reacted with magnetic-coagulation
The inner wall of tank is parallel；
Third paddle includes that several third pin type paddles being symmetricly set in shaft by symmetry axis of shaft form, third
The shape and flocculation reaction tank tank bottom of pin type paddle to the inner wall curve identical between tank mouth, third pin type paddle
The ratio between height and flocculation reaction tank height are 1:1.4-1.6, the rotational trajectory and flocculation reaction tank of third pin type paddle
The inner wall of tank body is parallel.
3. a kind of magnetic-coagulation according to claim 1 precipitates sewage disposal device, which is characterized in that shear includes cutting
Cut tank, shearing tank interior is equipped with shear in the height direction, shear include in the height direction by up to
Under the movable part, cut part, the fixed part that set gradually；
Cut part by several X-type brackets for setting gradually in the height direction, the X-type bracket include be arranged in a crossed manner and in
Two connecting rods of two connecting rods that portion is hinged, any one X-type bracket distinguish two companies with adjacent X-type bracket correspondingly
Bar is hinged；
Movable part driven by cylinder it is up and down in the height direction, cut part in the height direction adjacent two connecting rods by activity
The drive in portion is close to each other or separate.
4. a kind of magnetic-coagulation according to claim 3 precipitates sewage disposal device, X-type bracket is arranged in a crossed manner and middle part phase
Mutually angle opens and closes scope control at 175-178 ° between two hinged connecting rods.
5. a kind of method using the magnetic-coagulation precipitating sewage disposal device processing sewage as described in claim 1-4 any one,
It is characterised in that it includes following steps,
(1) magnesium carbonate is added into coagulating tank, magnesium carbonate adds ratio 26mg/L, opens driving equipment and makes shaft
Rotation, after driving the sewage in coagulating tank to be sufficiently stirred with magnesium carbonate and react 1.8min, unlatching free extension equipment,
Coagulating tank bottom seat is driven to be detached from coagulating tank, so that the coagulation sufficiently reacted in coagulating tank is anti-
Liquid is answered to enter magnetic-coagulation reaction tank；
(2) magnetic powder is added into magnetic-coagulation reaction tank, it is 25mg/L that magnetic powder, which adds ratio, and the ingredient of the magnetic powder is
8.2wt%si, 9.5wt%Mg, remaining is Fe, opens driving equipment and shaft is rotated, and is driven in magnetic-coagulation reaction tank
Coagulating liquid be sufficiently stirred with magnetic powder and react 1.8min after, open free extension equipment, drive magnetic-coagulation reactor tank pedestal
It is detached from magnetic-coagulation and reacts tank, so that the magnetic-coagulation reaction solution sufficiently reacted in magnetic-coagulation reaction tank enters flocculation
React tank；
(3) flocculation aid is added into flocculation reaction tank, flocculation aid adds ratio 30mg/L, and the ingredient of the flocculation aid is
12wt% bleaching powder, remaining is white lime, opens driving equipment and shaft is rotated, and drives the magnetic in flocculation reaction tank mixed
Solidifying reaction solution is sufficiently stirred with flocculation aid react 1.8min after, open free extension equipment, drive flocculation reaction tank bottom seat disengaging
Flocculation reaction tank, so that the flocculation reaction liquid sufficiently reacted in flocculation reaction tank enters in precipitating tank；
(4) it after flocculation reaction liquid is sent into precipitating tank, staticly settles 30 hours, the sludge after precipitating is sent into shear
Interior, by being sent into magnetic drum after shear shear treatment, magnetic powder is delivered to magnetic powder recovering device by magnetic powder outlet, and sludge is by sludge
Outlet is delivered to sludge reservoir.
6. a kind of sewage water treatment method as claimed in claim 5, which is characterized in that the ingredient of the magnetic powder is 8.5wt%si,
9.6wt%Mg, remaining is Fe.
7. a kind of sewage water treatment method as claimed in claim 5, which is characterized in that the ingredient of the flocculation aid is 13wt% drift
White powder, remaining is white lime.
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