CN105819612A - Hackle drum type magnetic separation water treatment facility - Google Patents
Hackle drum type magnetic separation water treatment facility Download PDFInfo
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- CN105819612A CN105819612A CN201610155326.0A CN201610155326A CN105819612A CN 105819612 A CN105819612 A CN 105819612A CN 201610155326 A CN201610155326 A CN 201610155326A CN 105819612 A CN105819612 A CN 105819612A
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- magneto separate
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- pond
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000007885 magnetic separation Methods 0.000 title abstract description 6
- 238000005189 flocculation Methods 0.000 claims abstract description 40
- 230000016615 flocculation Effects 0.000 claims abstract description 40
- 239000006148 magnetic separator Substances 0.000 claims abstract description 39
- 230000000694 effects Effects 0.000 claims abstract description 18
- 239000004576 sand Substances 0.000 claims abstract description 13
- 238000005273 aeration Methods 0.000 claims abstract description 9
- 239000010865 sewage Substances 0.000 claims description 31
- 238000005188 flotation Methods 0.000 claims description 28
- 239000000126 substance Substances 0.000 claims description 22
- 239000006247 magnetic powder Substances 0.000 claims description 21
- 238000004140 cleaning Methods 0.000 claims description 17
- 239000003814 drug Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000013049 sediment Substances 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 9
- 238000007790 scraping Methods 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 238000005202 decontamination Methods 0.000 claims description 3
- 230000003588 decontaminative effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 238000007667 floating Methods 0.000 abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 238000010408 sweeping Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005307 ferromagnetism Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000004531 microgranule Substances 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
-
- 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
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a hackle drum type magnetic separation water treatment facility, which comprises a water inlet channel, a rotational flow sand settling tank, an air floating tank, a flocculation tank, a magnetic separation tank, and a water outlet; one end of the water inlet channel is connected to a raw water source, the other end is tangentially communicated with the rotational flow sand settling tank through a pipeline or a closed conduit, the pipeline or the closed conduit is inclined, thus the joint between the pipeline/closed conduit and the sand settling tank is higher than the joint between the sand settling tank and the air floating tank; the joint between the air floating tank and the sand settling tank is arranged in the upper part of the tank wall of the air floating tank, the joint between the air floating tank and the flocculation tank is arranged in the bottom of the tank wall of the air floating tank, an aeration device is arranged in the air floating tank; a roller type magnetic separator is arranged in the magnetic separation tank, and comprises a hackle annular cylinder, a fixing shaft, a magnet, and a bearing, and the hackle annular cylinder is fixed above the magnetic separation tank through the bearing. The provided water treatment facility has the advantages that better effluent effect is guaranteed, the kinetic energy of water flow is fully utilized, and the energy consumption for water treatment is largely reduced.
Description
Technical field
The present invention relates to sewage treatment area, particularly relate to Magneto separate processing means.
Background technology
Along with Chinese Urbanization's, industrialized acceleration, the discharge capacity of sanitary sewage and industrial wastewater increases day by day, sewage causes nature water quality constantly to deteriorate to the discharge of environment, in recent years, China's total amount of sewage discharge presents the trend increased year by year, contradiction between water environment degradation and the rising of demand standard, the pollution situation of water resource is the severeest.Magneto separate water technology has obtained the accreditation in market with its most quick water treatment efficiency, but existing Magneto separate water treatment facilities, still there are some shortcomings, such as effluent quality is unstable, sweep mud device cannot be shaved completely by the magnetic flocculation thing that magnetic disk surface adsorbs, though the power consumption of the energy consumption of device self-operating relatively conventional processing apparatus makes moderate progress, but still have the space of lifting, ... etc., these problems are required for improving further.
Chinese invention patent CN200910082990.7 discloses a kind of sewage water treatment method and sewage-treatment plant, a kind of sewage-treatment plant using the method is provided, including wastewater influent pipeline, Graceful water lines, medicine system, Cyclonic reactor, magnet drum and scraper, medicine system connects with wastewater influent pipeline, the mouth of pipe of wastewater influent pipeline water side tangentially accesses in Cyclonic reactor, Cyclonic reactor is single-revolution body, magnet drum and scraper are positioned at Cyclonic reactor, and magnet drum and Cyclonic reactor coaxial line, scraper is for wiping magnetic absorption ferromagnetism mud group on magnet drum off.But the method relies primarily on electric power to drive cyclone to produce eddy flow, utilizes the relative motion of eddy flow and magnet drum to realize the absorption of mud group, and energy consumption is higher, and during use, cyclone the moment must keep operating, requires higher to the reliability of cyclone；Sewage mixes in static pipeline mixer with the medicine containing ferromagnetism flocculant, and incorporation time is short, and grit deposit efficiency is low, also cannot effectively remove flocculate.
Summary of the invention
The technical problem to be solved in the present invention is that existing sewage-treatment plant cannot effectively remove sand setting and flocculate, requirement to device is higher, energy consumption is big, the water quality of water outlet is the highest, outlet effect is bad, there is provided one to reduce energy consumption necessary to water treatment facilities for this, improve the effluent quality of device further, it is ensured that the more hackle drum formula Magneto separate water treatment facilities of the outlet effect of high-quality.
The technical scheme is that a kind of hackle drum formula Magneto separate water treatment facilities, intake tunnel that it includes being sequentially communicated, rotational flow grit chamber, flotation tank, flocculation basin, Magneto separate pond, outlet, described intake tunnel one end connects Yuan Shui water source, the other end tangentially connects with rotational flow settling pond by the way of pipeline or closed conduit, described pipeline or closed conduit have certain gradient so that it is and the connected entrance absolute altitude of setting pot is less than the connected entrance between setting pot and flotation tank；Described flotation tank is positioned at pool wall top with the connected entrance of setting pot, is positioned at bottom pool wall with the connected entrance of flocculation basin, is fitted with aerator in flotation tank；Described flocculation basin is positioned at pool wall top with the connected entrance in Magneto separate pond, the bottom in Magneto separate pond is arc surface, Magneto separate pond is fitted with drum-type magnetic separator, described drum-type magnetic separator includes comb circular cylinder, fixing axle, magnet and bearing, bottom comb circular cylinder and Magneto separate pond, arc surface is coaxial, and leave between the outer surface of drum-type magnetic separator and bottom surface, Magneto separate pond for medium pass through at the equally spaced passage of circumferencial direction, described magnet is evenly distributed on the barrel mast face of comb circular cylinder, described fixing axle is positioned at center, comb circular cylinder both sides, by bearing, comb circular cylinder is fixed on above Magneto separate pond；The described outlet i.e. outlet in Magneto separate pond, its absolute altitude is less than the connected entrance in Magneto separate pond with flocculation basin.
Setting pot top described in such scheme is mounted with Automatic Dosing and adds magnetic powder device and blender, described blender includes mixer motor, stretch in setting pot blender rotating shaft and mixing arm, described Automatic Dosing adds magnetic powder device and includes: influent quality detection device, PAM chemicals dosing plant, PAC chemicals dosing plant, adds magnetic powder device, add batch pan and chemical feed pipe, described adds batch pan and chemical feed pipe includes that the PAM being fixed in blender rotating shaft adds batch pan, PAM chemical feed pipe, PAC add batch pan and PAC chemical feed pipe.
Flotation tank described in such scheme be use the dirtiest upper merogenesis cross water form one or more levels associated with flotation tank.
Such scheme is fitted with sludge drainage system by described drum-type magnetic separator, described sludge drainage system includes cleaning shoe, sweeps mud device, mud separating device, back purge system, slush pump and spoil disposal pipeline, described cleaning shoe front end face is the flank of tooth of the tangential matched in clearance of comb with drum-type magnetic separator surface, being fixed on drum-type Magneto separate cylinder middle and upper part, its rear end connects with mud separating device；Described sweep mud device by motor, sweep mud plate and wear-resisting soft plastic forms；Described setting pot is provided with, with the bottom of flocculation basin, the slope being easy to backwash, is fitted with slush pump and spoil disposal pipeline respectively bottom described setting pot and flocculation basin.
The using method of hackle drum formula Magneto separate water treatment facilities, it comprises the following steps that: (1) sediment by rotational flow: enter in rotational flow grit chamber by intake tunnel by treatment sewage, start mixing arm and automatic medicine adding apparatus, after current enter rotational flow grit chamber, eddy flow is formed under the common effect of gravity and blender, silt sinks at the bottom of pond under the influence of centrifugal force and gravity, automatic medicine adding apparatus is according to influent quality situation, appropriate flocculant is added in setting pot, flocculation aid and magnetic powder, make suspended particulates flocculation in sewage agglomerating, the biggest float floc sedimentation sinks at the bottom of pond；(2) aeration isolation: start aerator, the sewage after sand setting processes flows in flotation tank, and less float floc sedimentation rises to sewage surface thus is intercepted in flotation tank；(3) flocculation sediment: the sewage through aeration isolation flows in flocculation basin, flocculates further；(4) magnetic decontamination: promote drum-type magnetic separator to rotate in the sewage of abundant flocculation sediment flows into Magneto separate pond, the magnet on magnetic separator surface is when contacting with current, absorption, through magnetized particle, is sent to sludge drainage system by mud-scraping apparatus, is made effluent quality further be purified.
The invention has the beneficial effects as follows current under gravity, automatically form eddy flow after entering setting pot, silt sinks at the bottom of pond under gravitational and centrifugal forces.The water inlet of described setting pot is less than its outlet, has the most only effectively intercepted silt, and has suitably extended the time of sand setting, has enhanced the effect of sand setting.Automatic medicament feeding system automatically adds flocculant, flocculation aid and magnetic powder according to water quality condition simultaneously, make into the suspended particulates loss of stability in water, micelle thing condenses upon in magnetic powder particle, microgranule is made to increase, thus forming big float floc sedimentation, floccule body is grown up after certain volume and is sunk to the most under gravity at the bottom of pond.Under the effect that cyclone sediment and coagulating sedimentation are common, drastically increase grit deposit efficiency.Water after preliminary treatment flows into flotation tank, and under the buoyance lift effect of bubble population, " floc sedimentation " floating upper liquid level forms scum silica frost, is intercepted in flotation tank.Some small flocculates enter flocculation basin with current, further after flocculation, enter Magneto separate pond.The cylinder of hackle drum formula magnetic separator, under the effect of current, rotates automatically, considerably reduces the energy consumption of device.Flocculate is under the effect of its core magnetic powder, adsorb equipped with in the hackle drum formula magnetic separator of magnet, collected by cleaning shoe and be sent to receive mud box, thus remove the impurity in water, making former water be purified, the most isolated magnetic powder is continuing with by magnetic powder automatic adding device.The present invention both ensure that the outlet effect of more high-quality, takes full advantage of again the kinetic energy of current, is saved greatly energy consumption necessary to water treatment procedure.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention；
Fig. 2 is the A-A profile of Fig. 1；
Fig. 3 is the profile of the B-B of Fig. 1；
In figure, 1, intake tunnel, 2, rotational flow grit chamber, 3, flotation tank, 4, flocculation basin, 5, Magneto separate pond, 6, outlet, 7, blender, 8, PAM chemicals dosing plant, 9, PAC chemicals dosing plant, 10, add magnetic powder device, 11, add batch pan, 12, chemical feed pipe, 13, blender rotating shaft, 14, mixing arm, 15, slush pump, 16, submersible sewage pump, 17, aeration tube, 18, nozzle, 19, drain pipe, 20, drum-type magnetic separator, 21, comb circular cylinder, 22, fixing axle, 23, magnet, 24, bearing, 25, sweep mud device, 26, motor, 27, sweep the rotating shaft of mud device, 28, sweep mud plate, 29, wear-resisting soft plastic, 30, cleaning shoe, 31, mud separating device.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings.These accompanying drawings are the schematic diagram of simplification, the most in a schematic way the ultimate principle of the present invention are carried out summary description.
As shown in Figure 1, intake tunnel 1 that the present invention includes being sequentially communicated, rotational flow grit chamber 2, flotation tank 3, flocculation basin 4, Magneto separate pond 5, outlet 6, described intake tunnel one end connects Yuan Shui water source, the other end tangentially connects with rotational flow settling pond by the way of pipeline or closed conduit, described pipeline or closed conduit have certain gradient so that it is and the connected entrance absolute altitude of setting pot is less than the connected entrance between setting pot and flotation tank；Described flotation tank is positioned at pool wall top with the connected entrance of setting pot, is positioned at bottom pool wall with the connected entrance of flocculation basin, is fitted with aerator in flotation tank；Described flocculation basin is positioned at pool wall top with the connected entrance in Magneto separate pond, the bottom in Magneto separate pond is arc surface, Magneto separate pond is fitted with drum-type magnetic separator 20, described drum-type magnetic separator includes comb circular cylinder 21, fixing axle 22, magnet 23 and bearing 24, bottom comb circular cylinder and Magneto separate pond, arc surface is coaxial, and leave between the outer surface of drum-type magnetic separator and bottom surface, Magneto separate pond for medium pass through at the equally spaced passage of circumferencial direction, described magnet is evenly distributed on the barrel mast face of comb circular cylinder, described fixing axle is positioned at center, comb circular cylinder both sides, by bearing, comb circular cylinder is fixed on above Magneto separate pond；The described outlet i.e. outlet in Magneto separate pond, its absolute altitude is less than the connected entrance in Magneto separate pond with flocculation basin.
Setting pot top is mounted with Automatic Dosing and adds magnetic powder device and blender 7, described blender includes mixer motor, stretch in setting pot blender rotating shaft 13 and mixing arm 14, described Automatic Dosing adds magnetic powder device and includes: influent quality detection device, PAM chemicals dosing plant 8, PAC chemicals dosing plant 9, adds magnetic powder device 10, add batch pan 11 and chemical feed pipe 12, described adds batch pan and chemical feed pipe includes that the PAM being fixed in blender rotating shaft adds batch pan, PAM chemical feed pipe, PAC add batch pan and PAC chemical feed pipe.The medicament added is routed directly to mixing arm 14 by chemical feed pipe 12, and under the drive of mixing arm, medicament is driven the centrifugal force produced to spread uniformly to surrounding by mixing arm, and medicament incorporates in water equably, makes flocculating effect reach optimum state.
Intake tunnel 1 the most tangentially connects with rotational flow grit chamber 2, and have certain gradient, i.e. form acute angle between intake tunnel and setting pot, current are under gravity, eddy flow is automatically formed after entering setting pot 2, reducing the energy consumption of blender 7, silt sinks at the bottom of pond under gravitational and centrifugal forces.The water inlet of described rotational flow grit chamber 2 is less than its outlet, has the most only effectively intercepted silt, and has suitably extended the time of sand setting, has enhanced the effect of sand setting.The taper the most gradually narrowed bottom setting pot, it is simple to backwash and the rapid subsidence of silt.
Flotation tank preferably uses dirty water form excessively, the cascade of one or more levels flotation tank can be used as required to use, to reach more preferable treatment effect, aerator in flotation tank includes submersible sewage pump 16, aeration tube 17, nozzle 18 and drain pipe 19, it is fitted with sludge drainage system by described drum-type magnetic separator, described sludge drainage system includes cleaning shoe 30, sweep mud device 25, mud separating device 31, back purge system, slush pump 15 and spoil disposal pipeline, described cleaning shoe front end face is the flank of tooth of the tangential matched in clearance of comb with drum-type magnetic separator surface, it is fixed on drum-type Magneto separate cylinder middle and upper part, its rear end connects with mud separating device；Described sweep rotating shaft 27 that mud device by motor 26, sweeps mud device, sweep mud plate 28 and wear-resisting soft plastic 29 forms；Described setting pot is provided with, with the bottom of flocculation basin, the slope being easy to backwash, is fitted with slush pump and spoil disposal pipeline respectively bottom described setting pot and flocculation basin.
Can be in circular arc at the bottom of the pond in Magneto separate pond.Drum-type magnetic separator is cylindrical structure, including comb circular cylinder 21, the rotating shaft 22 of drum-type magnetic separator, magnet 23 and bearing 24 etc..Comb circular cylinder is a cylinder, and its barrel mast face is comb teeth-shaped, and magnet is evenly distributed on the barrel mast face of cylinder, and a preference of the present invention is that magnet is evenly distributed on comb, so reduces the use of magnet while ensureing magnetic suck effect.The rotating shaft 22 of drum-type magnetic separator is positioned at center, cylinder both sides, is fixed on above Magneto separate pond by cylinder by bearing.The setting height(from bottom) of cylinder, is advisable with peak level during the slightly above work of its axial line, makes the concentricity axle of arc surface at the bottom of the extrados of cylinder and pond, Magneto separate pond simultaneously, and spacing is moderate, and this spacing is exactly the passage that water flow medium passes through.
Described to sweep turning to of mud plate identical with turning to of drum-type magnetic separator, will be tangent with cleaning shoe and drum-type magnetic separator respectively when sweeping mud plate and rotating.The part sweeping mud plate tangent with cleaning shoe and drum-type magnetic separator is preferably wear-resisting soft plastic 29, with the cambered surface of the cylinder of drum-type magnetic separator and cleaning shoe front end all in tangential circular motion, while sweeping mud, accelerate drum-type magnetic separator barrel body rotation, overcome the drag effects that cleaning shoe brings when scraping mud.
The comb circular cylinder 21 of drum-type magnetic separator is when non-water flow, it is in the axisymmetric poised state of circumference, during work, its axle horizontal plane is with lower part by the tangential thrust of current, and the comb circular cylinder of drum-type magnetic separator, under the tangential thrust moment loading of current, rotates around its rotating shaft.Current are when the comb circular cylinder promoting drum-type magnetic separator rotates, and the magnetic powder flocculate come with current is fully contacted with cylinder, and under the magneticaction of magnet 23, magnetic powder flocculate adsorbs on the barrel mast face of cylinder；When rotating to the position of cleaning shoe 30 with cylinder, it is gathered in the contact position of cleaning shoe 30 and cylinder by the stop of cleaning shoe 30.In mud-scraping apparatus 25, the motor 26 of mud-scraping apparatus drives the rotating shaft 27 of mud-scraping apparatus, drive is swept mud plate 28 and is rotated, sweeping mud plate 28 front end is wear-resisting soft plastic 29, with the cylinder 21 of hackle drum formula magnetic separator and the cambered surface of cleaning shoe 30 front end all in tangential circular motion, in time magnetic powder flocculate is sent to mud separating device 31.Sweep mud device 25 while scraping mud, the wear-resisting soft plastic 29 sweeping mud plate 28 front end rubs with drum-type magnetic separator cylinder 21 surface, this frictional force is consistent with hydro-flow thrust moment to the moment direction of cylinder 21, so that cylinder accelerates to rotate, overcome the drag effects that cleaning shoe brings when scraping mud.We can be carried out the flow velocity of adjusting water outlet by the discrepancy in elevation of regulation Magneto separate pond 5 intake-outlet, thus changed the running speed of drum-type magnetic separator.
The using method of hackle drum formula Magneto separate water treatment facilities, it comprises the following steps that: (1) sediment by rotational flow: enter in rotational flow grit chamber by intake tunnel by treatment sewage, start mixing arm and automatic medicine adding apparatus, after current enter rotational flow grit chamber, eddy flow is formed under the common effect of gravity and blender, silt sinks at the bottom of pond under the influence of centrifugal force and gravity, automatic medicine adding apparatus is according to influent quality situation, appropriate flocculant is added in setting pot, flocculation aid and magnetic powder, make suspended particulates flocculation in sewage agglomerating, the biggest float floc sedimentation sinks at the bottom of pond；(2) aeration isolation: start aerator, the sewage after sand setting processes flows in flotation tank, and less float floc sedimentation rises to sewage surface thus is intercepted in flotation tank；(3) flocculation sediment: the sewage through aeration isolation flows in flocculation basin, flocculates further；(4) magnetic decontamination: promote drum-type magnetic separator to rotate in the sewage of abundant flocculation sediment flows into Magneto separate pond, the magnet on magnetic separator surface is when contacting with current, absorption, through magnetized particle, is sent to sludge drainage system by mud-scraping apparatus, is made effluent quality further be purified.
The present invention integrates cyclone sediment, coagulating sedimentation, air supporting and magnetic separation technique and Based Intelligent Control, all electric equipments or its control element are provided with RS485 interface, facilitate the structure of Internet of Things, support remotely to be monitored and controlled, automatically control the cooperation with long-distance monitor and control to use, achieve unmanned veritably.It is reliable and stable that this device has technical performance, and treatment effeciency is high, and anti-load-bearing capacity is strong, reduced investment, takes up an area few, the advantages such as energy consumption is low, easy to maintenance.Rapidly sewage can be processed, effectively remove SS float and greasy dirt in sewage, and cut down the polluter such as COD, BOD and nitrogen phosphorus；Meanwhile, can arrive the efficient reoxygenation of water after processing, strengthen water body activity, improve the purpose of water quality.Both ensure that the outlet effect of more high-quality, taken full advantage of again the kinetic energy of current, be saved greatly energy consumption necessary to water treatment procedure.The present invention is applicable to the occasion processing Lake Water, river, kitchen oily waste water, heavy metal-containing waste water, condensed water in power plant etc., is particularly suitable for more liquid waters, has broad application prospects.
Claims (5)
1. a hackle drum formula Magneto separate water treatment facilities, it is characterized in that intake tunnel that it includes being sequentially communicated, rotational flow grit chamber, flotation tank, flocculation basin, Magneto separate pond, outlet, described intake tunnel one end connects Yuan Shui water source, the other end tangentially connects with rotational flow settling pond by the way of pipeline or closed conduit, described pipeline or closed conduit have certain gradient so that it is and the connected entrance absolute altitude of setting pot is less than the connected entrance between setting pot and flotation tank；Described flotation tank is positioned at pool wall top with the connected entrance of setting pot, is positioned at bottom pool wall with the connected entrance of flocculation basin, is fitted with aerator in flotation tank；Described flocculation basin is positioned at pool wall top with the connected entrance in Magneto separate pond, the bottom in Magneto separate pond is arc surface, Magneto separate pond is fitted with drum-type magnetic separator, described drum-type magnetic separator includes comb circular cylinder, fixing axle, magnet and bearing, bottom comb circular cylinder and Magneto separate pond, arc surface is coaxial, and leave between the outer surface of drum-type magnetic separator and bottom surface, Magneto separate pond for medium pass through at the equally spaced passage of circumferencial direction, described magnet is evenly distributed on the barrel mast face of comb circular cylinder, described fixing axle is positioned at center, comb circular cylinder both sides, by bearing, comb circular cylinder is fixed on above Magneto separate pond；The described outlet i.e. outlet in Magneto separate pond, its absolute altitude is less than the connected entrance in Magneto separate pond with flocculation basin.
Hackle drum formula Magneto separate water treatment facilities the most according to claim 1, it is characterized in that, described setting pot top is mounted with Automatic Dosing and adds magnetic powder device and blender, described blender includes mixer motor, stretch into the blender rotating shaft in setting pot and mixing arm, described Automatic Dosing adds magnetic powder device and includes: influent quality detection device, PAM chemicals dosing plant, PAC chemicals dosing plant, add magnetic powder device, add batch pan and chemical feed pipe, described add batch pan and chemical feed pipe includes that the PAM being fixed in blender rotating shaft adds batch pan, PAM chemical feed pipe, PAC adds batch pan and PAC chemical feed pipe.
Hackle drum formula Magneto separate water treatment facilities the most according to claim 1, it is characterised in that described flotation tank be use the dirtiest upper merogenesis cross water form one or more levels associated with flotation tank.
Hackle drum formula Magneto separate water treatment facilities the most according to claim 1, it is characterized in that, it is fitted with sludge drainage system by described drum-type magnetic separator, described sludge drainage system includes cleaning shoe, sweeps mud device, mud separating device, back purge system, slush pump and spoil disposal pipeline, described cleaning shoe front end face is the flank of tooth of the tangential matched in clearance of comb with drum-type magnetic separator surface, being fixed on drum-type Magneto separate cylinder middle and upper part, its rear end connects with mud separating device；Described sweep rotating shaft that mud device by motor, sweeps mud device, sweep mud plate and wear-resisting soft plastic forms；Described setting pot is provided with, with the bottom of flocculation basin, the slope being easy to backwash, is fitted with slush pump and spoil disposal pipeline respectively bottom described setting pot and flocculation basin.
The using method of hackle drum formula Magneto separate water treatment facilities the most according to claim 1, it is characterized in that it comprises the following steps that: (1) sediment by rotational flow: enter in rotational flow grit chamber by intake tunnel by treatment sewage, start mixing arm and automatic medicine adding apparatus, after current enter rotational flow grit chamber, eddy flow is formed under the common effect of gravity and blender, silt sinks at the bottom of pond under the influence of centrifugal force and gravity, automatic medicine adding apparatus is according to influent quality situation, appropriate flocculant is added in setting pot, flocculation aid and magnetic powder, make suspended particulates flocculation in sewage agglomerating, the biggest float floc sedimentation sinks at the bottom of pond；(2) aeration isolation: start aerator, the sewage after sand setting processes flows in flotation tank, and less float floc sedimentation rises to sewage surface thus is intercepted in flotation tank；(3) flocculation sediment: the sewage through aeration isolation flows in flocculation basin, flocculates further；(4) magnetic decontamination: promote drum-type magnetic separator to rotate in the sewage of abundant flocculation sediment flows into Magneto separate pond, the magnet on magnetic separator surface is when contacting with current, absorption, through magnetized particle, is sent to sludge drainage system by mud-scraping apparatus, is made effluent quality further be purified.
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Application publication date: 20160803 |