CN108992980A - A kind of effective filter and wastewater treatment method for beneficiation wastewater processing - Google Patents
A kind of effective filter and wastewater treatment method for beneficiation wastewater processing Download PDFInfo
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- CN108992980A CN108992980A CN201810878911.2A CN201810878911A CN108992980A CN 108992980 A CN108992980 A CN 108992980A CN 201810878911 A CN201810878911 A CN 201810878911A CN 108992980 A CN108992980 A CN 108992980A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/36—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed fluidised during the filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/38—Feed or discharge devices
- B01D24/40—Feed or discharge devices for feeding
- B01D24/402—Feed or discharge devices for feeding containing fixed liquid displacement elements or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4869—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by level measuring
Abstract
A kind of effective filter and wastewater treatment method for beneficiation wastewater processing, filter device includes the tank body that lower part is deslagging bucket, waste water waterworks are arranged at deslagging bucket top, there is anti-caking block assembly in the middle part of tank body, the filter packing being made of secondary mineral, weak soil, collapsible soil and sand is filled in anti-caking block assembly tank body below, more than anti-caking block assembly has floated discharging device；There is the liquid level induction contact element of drainpipe and waste discharge liquid pipe and corresponding different liquid level positions on tank body.With the device Beneficiation Wastewater, waste water is mixed by water dispensing apparatus with filter packing under intake pressure, purified water is discharged by floated discharging device after anti-caking block assembly rises to top from bottom to top in the mixed liquor of formation, filtered waste liquid returns balancing tank, stop filtering when suspension content does not reach requirement in the purified water of discharge, replaces filter packing.The filter device even water distribution, is not required to add agitating device；Filter packing does not agglomerate；Discharging device will not stir filter packing；The rate of filtration is fast, and filter effect is good.
Description
Technical field
The present invention relates to sewage treatment, it is especially a kind of for beneficiation wastewater processing effective filter and utilize the mistake
The method for filtering device Beneficiation Wastewater.
Background technique
Mine development includes mining and ore dressing.Ore dressing is the second technique of mineral resources industry, including washup, it is broken and
Ore dressing three process.By ore dressing can the valuable metal in the ore of valuable metal content is low, more metal symbiosis be enriched with
Come, and be separated from each other, corresponding concentrate is processed into, in favor of postorder smelting process high efficiency and the high quality of metal product.Choosing
Mine production waste water is made of washup waste water, crushing system waste water, beneficiation wastewater and four part of flushing waste water, its main feature is that: 1. water
Amount is big, accounts for 85% or so of entire mine wastewater amount；2. the SS in waste water is mainly silt and mine tailing, content is up to every liter
Thousands of to tens of thousands of milligrams, suspension particle is superfine, is in finely divided colloidal state, is not easy natural subsidence；3. pollutant kind is more, harm
Greatly.
The suspended matter in Beneficiation Wastewater mainly uses natural sedimentation, neutralization precipitation method and coagulant sedimentation at present.
Wherein most widely used is natural sedimentation, i.e., squeezes into waste water in tailing dam, the nature for making full use of tailing dam area big
Condition makes suspended matter natural subsidence in waste water.Neutralization precipitation method and coagulant sedimentation are the feeding limes, inorganic mixed into tailing water
Solidifying agent or high polymer coagulant make waterglass and suspended solid coprecipitation in water, so that waste water be made to be purified.
These existing processing methods are primarily present following problems:
1, natural subsidence effect is poor.Because of the fine particle in beneficiation wastewater containing large amount of organic and inorganic matter, settleability
Can be poor, natural sedimentation is selected, is taken up a large area, the sedimentation time is long, and ideal removal effect is often not achieved.
2, neutralization precipitation method and coagulant sedimentation dosage are big.Since beneficiation wastewater settling property is poor, in addition wastewater flow rate is big,
Dosage of PAC is caused to increase, systematic running cost increases；It increases simultaneously and largely contains heavy metal precipitation, reluctant dirt
Mud.
Summary of the invention
Above-mentioned existing beneficiation wastewater treatment method there are aiming at the problem that, the purpose of the present invention is for beneficiation wastewater processing mention
, the effective filter that without dosing, investment and operating cost can be greatly lowered simple for a kind of process and using this efficiently
The method of filter device Beneficiation Wastewater.
Have provided by the present invention for the effective filter of beneficiation wastewater processing, including circular tank, the upper end of tank body
The lower part of exhaust outlet, tank body is the shallow domatic deslagging bucket controlled by slag-discharging valve, and waste water waterworks, tank are arranged at the top of deslagging bucket
There is anti-caking block assembly in the middle part of body, filter packing is filled in the tank body of 100-150mm below anti-caking block assembly, in anti-caking
More than block assembly there is discharging device at 200-300mm, the outlet pipe (64) of discharging device by valve (65) and is pierced by tank body
Drainpipe connects；There is waste discharge liquid pipe on tank body between anti-caking block assembly and filter packing upper surface；Apart from drainpipe with
There is liquid level to incude contact element c in the inner tank wall of upper 800-1500mm, in the tank body apart from drainpipe (7) 500-1000mm below
There is liquid level to incude contact element b on inner wall, there is liquid level to incude contact element a in the inner tank wall at the correspondence waste discharge liquid pipe.
Preferably, the waste water waterworks are filled by the water distribution that front end is pierced by the water inlet pipe of tank body and connects with water inlet pipe
Composition is set, water dispensing apparatus includes matching water conduit tube, range pipe and distributing hole；It is described to have 12-15 with water conduit tube, with tank body
Radially radial outward, water inlet end and water inlet pipe with water conduit tube are connected；The range pipe has 5-8 layers, with tank body
Center be the center of circle be outward in the equal circular concentric of spacing, range pipe with match water conduit tube and be mutually connected in intersection；It is described
Distributing hole is provided with respectively is located at the adjacent centre top between water conduit tube without outermost range pipe.
Preferably, the discharging device is can be in the floated discharging device of floating on water, the floated discharging device
Cylindrical collection water body including being furnished with gully-hole, collects and is fixed with annular suspended substance on the outer wall of water body, the outer diameter of annular suspended substance
Less than the internal diameter (enable catchment body float in water) of tank body, the outlet pipe of discharging device passes through one end phase of valve and hose
It connects, the other end of hose connects with the drainpipe, and the length of hose will guarantee that floated discharging device rises to highest in the water surface
It is swum on the liquid level of water when position；It is equipped with more than the anti-caking block assembly, in the inner tank wall below of drainpipe present position
When anhydrous can the floated discharging device of support supporting network.
It is secondary mineral, soft preferably, the filter packing is made of secondary mineral, weak soil, collapsible soil and sand
The weight percent of soil, collapsible soil and sand is respectively 5-10%, 15-20%, 10-15%, 60-65%；The sand
Soil is made of gravelly sand, coarse sand and middle sand, the weight percent of gravelly sand, coarse sand and middle sand is respectively 50-60%, 30-40%,
10-20%.
Preferably, the anti-caking block assembly is made as follows using ptt fiber as raw material:
1) ptt fiber of selection is modified processing according to the following steps: 1. being rinsed 2-3 times with deionized water；②80—
90 DEG C of drying 5min；3. in modifying agent impregnate 40-60min, modifying agent weight percent composition are as follows: quaternary sun from
Sub- surfactant 65%~70%, acetone 5%~10%, trimerization atmosphere polyimide resin 15%~20%, remaining is water；④140—
150 DEG C bake 10min；5. being rinsed 1 time with deionized water；
2) using stainless steel outer ring by the ptt fiber after modification be compiled into diameter in tank body through it is identical, be highly
The helical weave of 1000-2000mm, the section of helical weave are honeycomb, and honeycomb circle is (tangent with regular hexagon honeycomb hole
Circle) diameter be 15-30mm.
3) stainless steel outer ring is welded on the inner wall in the middle part of tank body, is fixed on anti-caking block assembly in tank body.
Preferably, the gradient α of the shallow domatic deslagging bucket is 15 °.
Use the method for above-mentioned effective filter Beneficiation Wastewater, comprising the following steps:
(1) beneficiation wastewater is discharged into balancing tank, opens the sewage lifting in the valve and balancing tank on water inlet pipe
Beneficiation wastewater, is pumped into the waste water waterworks of effective filter, is uniformly sent into beneficiation wastewater by waste water waterworks by pump
In the filter packing of effective filter；
(2) beneficiation wastewater entered in filter packing is vigorously mixed under intake pressure with filter packing, forms mixed liquor,
With the continuous entrance of beneficiation wastewater, mixed liquor crosses anti-caking block assembly, when the liquid level of mixed liquor rises to liquid level induction contact element c institute
When locating position, liquid level incudes contact element c and issues signal, closes the valve on sewage pump and water inlet pipe in balancing tank, stops
Only intake；
(3) after stopping water inlet, the suspended matter that the filter packing in mixed liquor carries in beneficiation wastewater sinks under the effect of gravity
Drop；
(4) after settling 10min, the outlet pipe valve opening of discharging device, it is (filtered net that discharging device starts draining
Water), the liquid level decline of mixed liquor, when liquid level is down to the liquid level induction present position contact element b, liquid level incudes contact element b and issues signal, out
The water outlet tube valve of water installations is closed, and discharging device stops draining；Valve opening in waste discharge liquid pipe at the same time, waste discharge liquid pipe
Start to drain, waste liquid (aqueous containing a small amount of suspended matter) is drained into balancing tank, waste liquid liquid level declines therewith；
(5) when waste liquid liquid level is down to waste discharge liquid pipe present position, liquid level incudes contact element a and issues signal, closes waste discharge liquid pipe
On valve, stop removal waste fluid, complete beneficiation wastewater processing a process；
(6) hereafter, the sewage pump in the valve and balancing tank on water inlet pipe is reopened, by above-mentioned steps (1)
Enter next process to (5), recycles according to this；Contact element a, liquid level induction contact element b and liquid level are incuded according to liquid level by control system
The signal that induction contact element c is provided automatically controls the continuous operation of filter device, realizes beneficiation wastewater processing automation；
(6) (the general filter device continuous operation when processing requirement is not achieved in suspension content in the water of outlet pipe discharge
30-60 days are a cycle), effective filter stops filtering, opens the slag-discharging valve of deslagging bucket bottom, will be because of suspended matter
The filter packing that content is saturated and fails is discharged, and replaces the filtering of progress next cycle after new filter packing.
The run parameter of above-mentioned Beneficiation Wastewater method can be according to wastewater treatment capacity and lectotype selection in following model
Enclose interior selection:
15-20m/h of filtering velocity；30-40min of process cycle；0.05-0.1Mpa of head loss；The flow velocity of water inlet pipe
0.9—1.1m/s；1.2-1.3m/s of flow velocity with water conduit tube；1.4-1.6m/s of flow velocity of range pipe；The flow velocity of distributing hole
2.0—2.2m/s；0.6-0.8m/s of water discharge speed of discharging device, 0.8-1.0m/s of flow velocity of drainpipe.
The invention has the benefit that
1, filter device of the present invention uses the filter packing being made of secondary mineral, weak soil, collapsible soil and sand, knot
Structure is fine and close, uniform, and sinking speed is fast, and filter effect is good, and the rate of filtration is fast, and the especially small suspended particulate of partial size also can be fast
Speed retention, is remarkably improved the removal effect of SS.The places of origin of raw materials of the filter packing is more, cheap, and transportation cost is low, can be big
The processing cost of amplitude reduction beneficiation wastewater.
2, water distribution is more than existing conventional use of water dispensing apparatus (Fig. 5 and Fig. 6 shown in) for the water dispensing apparatus that uses of the present invention
Uniformly, the pressure into water can be made full use of to mix beneficiation wastewater and filter packing more uniform, is stirred without being additionally arranged
Mix system.
3, the floated discharging device that the present invention uses can follow one lifting of liquid level, guarantee liquid level stabilizing, will not stir
Filter packing is conducive to discharging device water outlet uniformly, improves the water quality of water outlet.
4, the anti-caking block assembly in the present invention can prevent filler from agglomerating using the pliability of fiber, improve making for filler
With the service life, and the agitation to filler is reduced as much as possible, improve the water quality of water outlet；The anti-caking block assembly is fine using modified PTT
Dimension braiding is made, and has static electricity resistance and grease resistance, can both prevent filter packing from agglomerating, filter packing will not be attracted to anti-again
The surface of agglomeration device, test prove that the sinking speed and Equalsettlement of filter packing can be effectively improved by adding anti-caking block assembly
Property.
5, the method for Beneficiation Wastewater of the present invention, process is simple, is not necessarily to dosing, investment and operating cost can significantly drop
It is low.
6, the present invention uses shallow domatic deslagging bucket, and the height of tank body is effectively reduced using the characteristics of filter packing high speed settling
Degree, to reduce the manufacturing cost of filter device.
7, the operation of filter device of the present invention can be adopted all and be computerizedd control, high degree of automation, Beneficiation Wastewater
It is high-efficient.
Detailed description of the invention
Attached drawing is the structural schematic diagram of filter device embodiment in the present invention, in which:
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the water dispensing apparatus structural schematic diagram in Fig. 1 in waste water waterworks；
Fig. 3 is the transverse cross-sectional view of anti-caking block assembly in Fig. 1；
Fig. 4 is the structural schematic diagram of floated discharging device in Fig. 1；
Fig. 5 is a kind of schematic diagram of existing conventional water dispensing apparatus；
Fig. 6 is the schematic diagram of another existing conventional water dispensing apparatus.
Symbol description in figure: 1,4-1, tank body, 2, exhaust outlet, 3, water inlet pipe, 4, water dispensing apparatus are matched water conduit tube, 4-2, are matched
Water branch pipe, 4-3, distributing hole, 5, anti-caking block assembly, 6, floated discharging device, 61, collection water body, 62, suspended substance, 63, catchment
Hole, 64, outlet pipe, 65, valve, 7, drainpipe, 8, waste discharge liquid pipe, 9, deslagging bucket, 10, slag-discharging valve, 11, hose, 12, filtering
Filler, 13, supporting network, 14, liquid level induction contact element c, 15, liquid level induction contact element b, 16, liquid level induction contact element a.
Specific embodiment
With reference to embodiments and its attached drawing is described further effective filter in the present invention.
As shown in Figure 1, this effective filter embodiment, is 3500mm, by the stainless steel plate with a thickness of 3mm including outer diameter
Manufactured circular tank 1, tank body total height are 6000mm, and tank body upper end opens up exhaust outlet 2, and tank body lower part is gradient α=15 °
Shallow domatic deslagging bucket 9, there is slag-discharging valve 10 in the lower end of deslagging bucket.
Waste water waterworks are set on the top of deslagging bucket, waste water waterworks are pierced by 3 He of water inlet pipe of tank body by front end
The water dispensing apparatus 4 to connect with water inlet pipe forms.Water dispensing apparatus is as shown in Fig. 2, include with water conduit tube 4-2, range pipe 3-3 and matching
Water hole 3-4；There are 12 with water conduit tube, with the radially radial outward of tank body, every length is 1.65m, water inlet
End is connected with water inlet pipe respectively；Range pipe is of five storeys, using the center of tank body as the center of circle equally circular concentric from inside to outside,
Range pipe is mutually connected with water conduit tube in intersection；The distributing hole aperture is 35mm, is provided in addition to outermost layer respectively
Range pipe be located at the adjacent centre top between water conduit tube.It is by diameter respectively with water conduit tube and range pipe
The stainless steel tube of 65mm and 50mm is made.
Anti-caking block assembly 5 as shown in Figure 3 is fixedly installed at the middle part of tank body.Anti-caking block assembly is using ptt fiber as raw material
It is made as follows:
1) ptt fiber of selection is modified processing according to the following steps: 1. being rinsed 2 times with deionized water；2. 85 DEG C of bakings
Dry 5min；3. impregnating 50min in modifying agent, the weight percent composition of modifying agent are as follows: quaternary ammonium salt type cationic surface active
Agent 68%, acetone 7%, trimerization atmosphere polyimide resin 15%, remaining is water；4. 140 DEG C bake 10min；5. rinsing 1 with deionized water
It is secondary；
2) ptt fiber after modification is compiled into diameter is identical as tank body internal diameter, is highly using stainless steel outer ring
The helical weave of 1700mm, the section of helical weave are honeycomb, honeycomb circle (the tangent circle with regular hexagon honeycomb hole)
Diameter be 20mm,
3) stainless steel outer ring is welded on the inner wall in the middle part of tank body, is fixed on anti-caking block assembly in tank body.
As shown in Figure 1, filter packing 12 is filled in the tank body of 150mm below anti-caking block assembly.Filter packing is by secondary
Mineral, weak soil, collapsible soil and sand composition, secondary mineral, weak soil, collapsible soil and sand weight percent be respectively
5%, 15%, 15%, 65%；The sand is made of gravelly sand, coarse sand and middle sand, the weight percent of gravelly sand, coarse sand and middle sand
Respectively 60%, 25%, 15%.
As shown in Figure 1, drainpipe 7 is arranged on the tank body at the above 250mm of anti-caking block assembly, drainpipe is by length
The hose 11 of 2000mm connects with the outlet pipe 64 of floated discharging device 6, and hose uses rubber tube.Floated discharging device is such as
Shown in Fig. 4, the cylindrical collection water body 61 of gully-hole 63 is furnished with (with existing discharging device structure for 2300mm, thereon including diameter
It is identical) and it is fixed on the annular suspended substance 62 to catchment on external wall；Annular suspended substance is made by rubber, radial width 500mm；
The outlet pipe 64 of discharging device is connected by valve 65 with one end of hose 11, the other end of hose 11 and 7 phase of drainpipe
It connects, the length of hose is 2000mm；It can be held when being fixedly mounted anhydrous in the inner tank wall lower than drainpipe present position 150mm
The stainless steel support network 13 of floated discharging device is held in the palm, the size of mesh opening of supporting network is 220mm.
As shown in Figure 1, opening up waste discharge liquid pipe 8 on tank body between anti-caking block assembly and filter packing upper surface.Away from
Liquid level is installed in the inner tank wall from 7 or more the 1000mm of drainpipe and incudes contact element c14, apart from 7 or less the drainpipe
Liquid level is set in 500mm inner tank wall and incudes contact element b15, setting liquid level incudes touching in the inner tank wall at corresponding waste discharge liquid pipe
Part a16.
The method of the present invention Beneficiation Wastewater, the run parameter of device are as follows: filtering velocity are pressed with the embodiment filter device
18m/h；Process cycle 30min；Head loss 0.08Mpa；The flow velocity 1.0m/s of water inlet pipe, the flow velocity 1.25m/s with water conduit tube；
The flow velocity 1.6m/s of range pipe；The flow velocity 2.1m/s of distributing hole；The water discharge speed 0.8m/s of discharging device, the flow velocity of drainpipe
0.9m/s。
The filter device is continuously run, 24 hours one day can Beneficiation Wastewater 4125m3.
Claims (8)
1. it is a kind of for beneficiation wastewater processing effective filter, it is characterised in that: including circular tank (1), tank body it is upper
End has exhaust outlet (2), and the lower part of tank body is the shallow domatic deslagging bucket (9) controlled by slag-discharging valve (10), and the top of deslagging bucket has
Waste water waterworks have anti-caking block assembly (5) in the middle part of tank body, fill in the tank body of 100-150mm below anti-caking block assembly
There are filter packing (12), there are discharging device (6) at 200-300mm more than anti-caking block assembly, the outlet pipe (64) of discharging device
Connected by valve (65) with the drainpipe (7) for being pierced by tank body；Tank body between anti-caking block assembly and filter packing upper surface
On have waste discharge liquid pipe (8)；There is liquid level to incude contact element c (14) in the inner tank wall apart from drainpipe (7) the above 800-1500mm,
There is liquid level to incude contact element b (15) on drainpipe (7) the below inner tank wall of 500-1000mm, in the correspondence waste discharge
There is liquid level to incude contact element a (16) in inner tank wall at liquid pipe.
2. the effective filter for beneficiation wastewater processing according to claim 1, it is characterised in that:
The waste water waterworks are made of the water dispensing apparatus (4) that front end is pierced by the water inlet pipe (3) of tank body and connects with water inlet pipe,
Water dispensing apparatus includes with water conduit tube (4-2), range pipe (3-3) and distributing hole (3-4)；It is described to have 12-15 with water conduit tube,
With the radially radial outward of tank body, water inlet end and water inlet pipe with water conduit tube are connected；The range pipe has 5-8
Layer, is in the equal circular concentric of spacing using the center of tank body as the center of circle outward, range pipe with to match water conduit tube mutual in intersection
It connects；The distributing hole is provided with respectively to be located on the adjacent centre between water conduit tube without outermost range pipe
Portion.
3. the effective filter for beneficiation wastewater processing according to claim 1, it is characterised in that: the discharging device
(6) being can include the cylinder for being furnished with gully-hole (63) in the floated discharging device of floating on water, the floated discharging device
Collecting water body (61), collects and be fixed on the outer wall of water body annular suspended substance (62), the outer diameter of annular suspended substance is less than the internal diameter of tank body,
The outlet pipe (64) of discharging device is connected by valve (65) with one end of hose (11), the other end of hose (11) and the row
Water pipe (7) connects, and the length of hose will guarantee that floated discharging device is swum in when the water surface rises to highest order on the liquid level of water；
More than the anti-caking block assembly, in the inner tank wall below of drainpipe present position be equipped with it is anhydrous when can the floated water outlet of support
The supporting network (13) of device.
4. the effective filter for beneficiation wastewater processing according to claim 1, it is characterised in that: the filter packing
It is made of secondary mineral, weak soil, collapsible soil and sand, the weight percent score of secondary mineral, weak soil, collapsible soil and sand
It Wei 5-10%, 15-20%, 10-15%, 60-65%；The sand is made of gravelly sand, coarse sand and middle sand, gravelly sand, thick
The weight percent of sand and middle sand is respectively 50-60%, 30-40%, 10-20%.
5. the effective filter for beneficiation wastewater processing according to claim 1, it is characterised in that: the anti-caking is packaged
(5) are set to be made as follows using ptt fiber as raw material:
1) ptt fiber of selection is modified processing according to the following steps: 1. being rinsed 2-3 times with deionized water；②80—90℃
Dry 5min；3. impregnating 40-60min in modifying agent, the weight percent composition of modifying agent are as follows: quaternary ammonium salt cationic table
Face activating agent 65%~70%, acetone 5%~10%, trimerization atmosphere polyimide resin 15%~20%, remaining is water；④140—150℃
Bake 10min；5. being rinsed 1 time with deionized water；
2) using stainless steel outer ring by the ptt fiber after modification be compiled into diameter in tank body through it is identical, be highly
The helical weave of 1000-2000mm, the section of helical weave are honeycomb, and honeycomb diameter of a circle is 15-30mm；
3) stainless steel outer ring is welded on the inner wall in the middle part of tank body, is fixed on anti-caking block assembly in tank body.
6. the effective filter for beneficiation wastewater processing according to claim 1, it is characterised in that: the shallow domatic row
The gradient α of slag bucket is 15 °.
7. using the method described in claim 1 for the effective filter Beneficiation Wastewater of beneficiation wastewater processing, including
Following steps:
(1) beneficiation wastewater is discharged into balancing tank, opens the sewage pump in the valve and balancing tank on water inlet pipe, it will
Beneficiation wastewater is pumped into the waste water waterworks of effective filter, and beneficiation wastewater is uniformly sent into efficient mistake by waste water waterworks
In the filter packing for filtering device；
(2) beneficiation wastewater entered in filter packing is vigorously mixed under intake pressure with filter packing, forms mixed liquor, with
The continuous entrance of beneficiation wastewater, mixed liquor cross anti-caking block assembly, when the liquid level of mixed liquor rises to locating for liquid level induction contact element c14
When position, liquid level incudes contact element c14 and issues signal, closes the valve on sewage pump and water inlet pipe in balancing tank, stops
Only intake；
(3) after stopping water inlet, the suspended matter that the filter packing in mixed liquor carries in beneficiation wastewater settles under the effect of gravity；
(4) after settling 10min, the outlet pipe valve opening of discharging device, discharging device starts to drain, under the liquid level of mixed liquor
Drop, when liquid level is down to the liquid level induction present position contact element b15, liquid level incudes contact element b15 and issues signal, the outlet pipe of discharging device
Valve is closed, and discharging device stops draining；The valve opening in waste discharge liquid pipe, waste discharge liquid pipe start to drain at the same time, will give up
Liquid drains into balancing tank, and waste liquid liquid level declines therewith；
(5) when waste liquid liquid level is down to waste discharge liquid pipe present position, liquid level incudes contact element a16 and issues signal, closes in waste discharge liquid pipe
Valve, stop removal waste fluid, complete beneficiation wastewater processing a process；
(6) hereafter, the sewage pump in the valve and balancing tank on water inlet pipe is reopened, by above-mentioned steps (1) to (5)
Into next process, recycle according to this；Contact element a16, liquid level induction contact element b15 and liquid level sense are incuded according to liquid level by control system
The signal for answering contact element c14 to provide automatically controls the continuous operation of filter device, realizes beneficiation wastewater processing automation；
(6) when processing requirement is not achieved in suspension content in the water of outlet pipe discharge, effective filter stops filtering, opens
The filter packing to fail because suspension content is saturated is discharged, replaces new filter packing by the slag-discharging valve of deslagging bucket bottom
The filtering of next cycle is carried out afterwards.
8. the method for Beneficiation Wastewater described in claim 7, it is characterised in that: its run parameter is according to wastewater treatment capacity
It is chosen in following range with lectotype selection:
15-20m/h of filtering velocity；30-40min of process cycle；0.05-0.1Mpa of head loss；The flow velocity 0.9-of water inlet pipe
1.1m/s；1.2-1.3m/s of flow velocity with water conduit tube；1.4-1.6m/s of flow velocity of range pipe；The flow velocity 2.0-of distributing hole
2.2m/s；0.6-0.8m/s of water discharge speed of discharging device, 0.8-1.0m/s of flow velocity of drainpipe.
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| CN201810878911.2A CN108992980B (en) | 2018-08-03 | 2018-08-03 | Efficient filtering device for mineral processing wastewater treatment and wastewater treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878911.2A CN108992980B (en) | 2018-08-03 | 2018-08-03 | Efficient filtering device for mineral processing wastewater treatment and wastewater treatment method |
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| CN108992980B CN108992980B (en) | 2020-11-24 |
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| CN200954408Y (en) * | 2006-09-25 | 2007-10-03 | 葛敬 | Floating-bed filter |
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| CN201147652Y (en) * | 2007-12-25 | 2008-11-12 | 濮阳市东昊机械电子有限公司 | Hydraulic type fibre bundle filter |
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