CN107129076A - A kind of muddy water tiny flocculation filters device and method soon - Google Patents
A kind of muddy water tiny flocculation filters device and method soon Download PDFInfo
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- CN107129076A CN107129076A CN201710547968.XA CN201710547968A CN107129076A CN 107129076 A CN107129076 A CN 107129076A CN 201710547968 A CN201710547968 A CN 201710547968A CN 107129076 A CN107129076 A CN 107129076A
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—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
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- 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)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention belongs to water-treatment technology field, and in particular to a kind of combined type muddy water tiny flocculation filters devices and methods therefor soon.It is made up of water inlet module, medicated module, mixing module, filtering module and intelligent control module, it is characterized in that, described water inlet module is made up of water inlet pipe and muddy water elevator pump, described medicated module is made up of dosing tank, chemical feed pipe and measuring pump, described mixing module is made up of pipe-line mixer, blending bin and water distribution area, described filtering module is by Rose Box and the filter being arranged in Rose Box, gathering ground, mud-collecting slot and is arranged on the collection mud boxs of Rose Box front and rear sides and constitutes, and described intelligent control module is made up of control cabinet and controller.The fast filtering method of muddy water tiny flocculation disclosed by the invention has drug dosage control accurate, the characteristics of flow is simple, processing speed is fast, treatment effeciency is high, use this method handle after clear water in TN clearances for 30% 70%, TP clearances are 50% 80%, COD clearances are 60% 90%, SS clearances are 80% 95%, and the clearance of chlorophyll a is 90% 98%, and treatment effect is preferable.
Description
Technical field
The invention belongs to water-treatment technology field, and in particular to a kind of combined type muddy water tiny flocculation filters device and its side soon
Method.
Background technology
With national " ten, water " promulgation and progressively implement, China increases year by year to the dynamics of water pollution control, especially
It is the construction of cities and counties small towns muddy water collection treatment facility, effectively improves the water pollution situation of locality.And rivers and lakes etc. are big
More as Tail water reuse water body after water pollution control, generally existing water body is muddy, and green tinged and transparency is not high and influences city
Landscape.And the technology of traditional processing turbidity contaminant water is main based on coagulating sedimentation, it is present, and occupation area of equipment is big, throw
Dose is big and whard to control, and treatment effeciency is low, high energy consumption, the shortcomings of investing big.
The content of the invention
The present invention is to filter device and its side soon there is provided a kind of combined type muddy water tiny flocculation to solve the deficiencies in the prior art
Method.
The present invention is implemented by following technical solution：
A kind of muddy water tiny flocculation filters device soon, by water inlet module, medicated module, mixing module, filtering module and intelligent control mould
Block is constituted, and described water inlet module is made up of water inlet pipe and muddy water elevator pump, described medicated module by dosing tank, chemical feed pipe and
Measuring pump is constituted, and described mixing module is made up of pipe-line mixer, blending bin and water distribution area, and described filtering module is by filtering
Case and the filter being arranged in Rose Box, gathering ground, mud-collecting slot and the collection mud box composition for being arranged on Rose Box front and rear sides,
Described intelligent control module is made up of control cabinet and controller；Described muddy water elevator pump inlet communication into muddy water water body,
Outlet is connected with water inlet pipe；Pipe-line mixer is connected with described water inlet pipe, the pipe-line mixer port of export is connected to blending bin
Bottom；Described Rose Box is that bottom opens up reeded body structure, and the groove that Rose Box bottom is opened up is gathering ground,
Gathering ground bottom is provided with outlet pipe；Filter upper box part and be provided with inclined provided with some pieces of filters under water distribution area, water distribution area, it is described
Filter lower end be provided with mud-collecting slot, mud-collecting slot two ends are communicated in collection mud box；Described control cabinet is arranged on left side blending bin
Side, described dosing tank be arranged on right side blending bin side；Described muddy water elevator pump, measuring pump and controller is all provided with
Put in control cabinet；The entrance point of described measuring pump is communicated in dosing tank, and the port of export is connected with chemical feed pipe；Described dosing
Pipe is connected with pipe-line mixer.
Recoil nozzle is additionally provided with above described filter, described recoil nozzle inlet end passes through pressure pipe and air compressor machine
It is connected, described air compressor machine is arranged in switch board.
Described controller is can control measuring pump chemical feeding quantity and dosing frequency according to the upper water of muddy water elevator pump, together
When can also control muddy water elevator pump upper water speed controller.
Described filter is made up of fixed plate and the screen pack being arranged in fixed plate, and described screen pack is simultaneously full
Foot has acid and alkali-resistance, high temperature resistant, wear-resisting wire netting or plastic wire.
The mesh size of described screen pack is 100-500 mesh.
Described filter and the angle of horizontal direction are 30-65 degree.
The centre of described mud-collecting slot is slightly above two ends.
A kind of fast filtering method of muddy water tiny flocculation, is comprised the following steps：
（1）Coagulant is prepared, and selects aluminium polychloride, polymeric aluminum/iron-polyacrylamide or polyacrylamide as coagulant,
Muddy water tiny flocculation is filtered soon add water and stir in the dosing tank of device after be configured to colloidal solution；
（2）Medicine, water mixing, start muddy water tiny flocculation and filter the muddy water elevator pump and measuring pump of device soon, and pass through controller control
The addition of colloidal solution is the 0.005 ‰ -0.03 ‰ of muddy water addition, and the muddy water and coagulant of addition are in pipe-line mixer
The mixed liquor formed after mixing enters blending bin by three-way pipe, enters water distribution area after further being mixed in blending bin；
（3）Filtering, step（2）In mixed liquor be evenly dispersed to by water distribution area on every piece of filter, mixed liquor passed through
Clear water is flowed down by mesh after filter plates enters gathering ground, and the flocculence pollutant stayed on filter is in the mixing newly entered
Enter in mud-collecting slot, be flowed into mud-collecting slot in the presence of self gravitation in collection mud box at unified collection under the impact of liquid
Reason；
（4）Water outlet, the clear water for entering gathering ground is exported by outlet pipe.
Step（1）In in the colloidal solution that is configured to using aluminium polychloride as coagulant aluminium polychloride concentration as
1 ‰ -3 ‰, polymeric aluminum/iron-polyacrylamide in the colloidal solution being configured to using polymeric aluminum/iron-polyacrylamide as coagulant
The concentration of amine is the concentration of polyacrylamide in 0.5 ‰ -3 ‰, the colloidal solution being configured to using polyacrylamide as coagulant
For 0.5 ‰ -1 ‰.
Step（2）Described in residence time of the mixed liquor in blending bin be 3-30min.
Compared with prior art, the present invention has the advantages that：（1）It is each that the muddy water tiny flocculation of the present invention filters device soon
Module can quickly assembly and disassembly, transport, carrying and installation all extremely convenients；（2）The screen pack of the present invention is simultaneously full
Foot has acid and alkali-resistance, high temperature resistant, wear-resisting wire netting or plastic wire, and equipment loss is small, service life is long, so as to reduce
Muddy water processing cost；（3）The present invention screen pack using tilt install, angle of inclination be 50-70 degree, be easy to muddy water filtering and
The downslide of filter residue；（4）The mud-collecting slot of the present invention is arranged under screen pack, and the flocculence pollutant after coagulation passes through filter plate
Mud-collecting slot is pooled under the impact of continuum micromeehanics afterwards, using more convenient, energy consumption is lower；（5）The centre of the mud-collecting slot of the present invention
Slightly above two ends, are easy to sludge to be flowed into collection mud box；（6）The controller of the present invention is can be according to the upper water of muddy water elevator pump
To control measuring pump chemical feeding quantity and dosing frequency, while muddy water elevator pump can also be controlled by adjusting the flow of elevator pump
Upper water speed controller；So that dosing more accurately and reliably, overcomes excessive dosing and the not enough defect of dosing.
（7）The fast filtering method of muddy water tiny flocculation disclosed by the invention has drug dosage control precisely, and flow is simple, processing speed is fast, place
Manage efficiency high the characteristics of, use this method handle after clear water in TN clearances for 30%-70%, TP clearances be 50%-80%, COD
Clearance is 60%-90%, and SS clearances are 80%-95%, and the clearance of chlorophyll a is 90%-98%, and treatment effect is preferable.
Brief description of the drawings
Fig. 1 filters device diagrammatic cross-section soon for the muddy water tiny flocculation of the present invention；
Fig. 2 filters device side diagrammatic cross-section soon for the muddy water tiny flocculation of the present invention；
In figure：1 water inlet pipe, 2 dosing tanks, 3 chemical feed pipes, 4 pipe-line mixers, 5 blending bins, 6 Rose Boxes, 7 water distribution areas, 8 filters,
9 gathering grounds, 10 outlet pipes, 11 mud-collecting slots, 12 collection mud boxs, 13 control cabinets.
Embodiment
The present invention will be further described with reference to the accompanying drawings and examples, but protection scope of the present invention is not by embodiment
Limited.
Embodiment 1
A kind of muddy water tiny flocculation filters device soon, by water inlet module, medicated module, mixing module, filtering module and intelligent control mould
Block is constituted, and described water inlet module is made up of water inlet pipe and muddy water elevator pump, described medicated module by dosing tank, chemical feed pipe and
Measuring pump is constituted, and described mixing module is made up of pipe-line mixer, blending bin and water distribution area, and described filtering module is by filtering
Case and the filter being arranged in Rose Box, gathering ground, mud-collecting slot and the collection mud box composition for being arranged on Rose Box front and rear sides,
Described intelligent control module is made up of control cabinet and controller；Described muddy water elevator pump inlet communication into muddy water water body,
Outlet is connected with water inlet pipe；Pipe-line mixer is connected with described water inlet pipe, the pipe-line mixer port of export is connected to blending bin
Bottom；Described Rose Box is that bottom opens up reeded body structure, and the groove that Rose Box bottom is opened up is gathering ground,
Gathering ground bottom is provided with outlet pipe；Filter upper box part and be provided with inclined provided with some pieces of filters under water distribution area, water distribution area, it is described
Filter lower end be provided with mud-collecting slot, mud-collecting slot two ends are communicated in collection mud box；Described control cabinet is arranged on left side blending bin
Side, described dosing tank be arranged on right side blending bin side；Described muddy water elevator pump, measuring pump and controller is all provided with
Put in control cabinet；The entrance point of described measuring pump is communicated in dosing tank, and the port of export is connected with chemical feed pipe；Described dosing
Pipe is connected with pipe-line mixer.
Recoil nozzle is additionally provided with above described filter, described recoil nozzle inlet end passes through pressure pipe and air compressor machine
It is connected, described air compressor machine is arranged in switch board.
Described controller is can control measuring pump chemical feeding quantity and dosing frequency according to the upper water of muddy water elevator pump, together
When can also control muddy water elevator pump upper water speed controller.
Described filter is made up of fixed plate and the screen pack being arranged in fixed plate, and described screen pack is simultaneously full
Foot has acid and alkali-resistance, high temperature resistant, wear-resisting wire netting or plastic wire.
The mesh size of described screen pack is 500 mesh.
Described filter and the angle of horizontal direction are 30 degree.
The centre of described mud-collecting slot is slightly above two ends.
Operation principle is as follows：Described water inlet pipe is intake from bottom of device, by the lifting water pump in switch board turbid
Water water body extracts raw water.Described dosing tank is by the medicament configured, and the measuring pump control pharmaceutical quantities in switch board pass through
Pipe-line mixer enters blending bin after being mixed with raw water, subsequently into water distribution area is entered after the mixing again of mixed zone, passes through cloth
Water is filtered the water body after coagulation by every piece of filter, and gathering ground is entered after water purification filter, passes through outlet pipe water outlet.Filter
The flocculence pollutant that net filtration gets off rich product under the impact of raw water in mud-collecting slot, finally enters collection mud box.
Adopted and dam careless seawater body in Kunming Dian Chi Haigeng is handled using the equipment of the present embodiment with the following method：
（1）Coagulant is prepared, and polymeric aluminum/iron-polyacrylamide is added water in the dosing tank that muddy water tiny flocculation filters device soon and stirred
The colloidal solution that concentration is 0.5 ‰ -3 ‰ is configured to after mixing；
（2）Medicine, water mixing, start muddy water tiny flocculation and filter the muddy water elevator pump and measuring pump of device soon, and pass through controller control
The addition of colloidal solution is the 0.005 ‰ of muddy water addition, after the muddy water and coagulant of addition are mixed in pipe-line mixer
The mixed liquor of formation enters blending bin by three-way pipe, enters water distribution area after further being mixed in blending bin；Mixed liquor is mixed
Residence time in mould assembling is 3min；
（3）Filtering, step（2）In mixed liquor be evenly dispersed to by water distribution area on every piece of filter, mixed liquor passed through
Clear water is flowed down by mesh after filter plates enters gathering ground, and the flocculence pollutant stayed on filter is in the mixing newly entered
Enter in mud-collecting slot, be flowed into mud-collecting slot in the presence of self gravitation in collection mud box at unified collection under the impact of liquid
Reason；
（4）Water outlet, the clear water for entering gathering ground is exported by outlet pipe, in the clear water obtained after treatment, main pollution
Thing clearance is referred to shown in table 1 below.
Each contamination index's removal effect of table 1
| Title | TN | TP | CODcr | SS | Chlorophyll a |
| Water inlet（mg/L） | 1.66 | 0.14 | 36.04 | 17.13 | 40.09 |
| Water outlet（mg/L） | 1.10 | 0.05 | 14.41 | 3.57 | 1.71 |
| Clearance（%） | 33.74 | 66.06 | 60.00 | 79.17 | 95.73 |
From table 1, TN clearances are up to 60.00%, SS clearances up to 33.74%, TP clearances 66.06%, COD clearances
79.17%, the clearance of chlorophyll a is up to 95.73%.
Embodiment 2
The use stainless steel wire mesh of described screen pack, mesh size is 200 mesh.Described filter and the folder of horizontal direction
Angle is 65 degree.Remaining be the same as Example 1.
It is new to Kunming Dian Chi stream entering lake precious as river Estuary enters by the following method using the equipment of the present embodiment
Row processing：
（1）Coagulant is prepared, and is selected polyacrylamide as coagulant, is added water simultaneously in the dosing tank that muddy water tiny flocculation filters device soon
The colloidal solution that concentration is 0.5 ‰ -1 ‰ is configured to after stirring；
（2）Medicine, water mixing, start muddy water tiny flocculation and filter the muddy water elevator pump and measuring pump of device soon, and pass through controller control
The addition of colloidal solution is the 0.02 ‰ of muddy water addition, shape after the muddy water and coagulant of addition are mixed in pipe-line mixer
Into mixed liquor blending bin entered by three-way pipe, further enter water distribution area after mixing in blending bin；Mixed liquor is in mixing
Residence time in case is 30min；
（3）Filtering, step（2）In mixed liquor be evenly dispersed to by water distribution area on every piece of filter, mixed liquor passed through
Clear water is flowed down by mesh after filter plates enters gathering ground, and the flocculence pollutant stayed on filter is in the mixing newly entered
Enter in mud-collecting slot, be flowed into mud-collecting slot in the presence of self gravitation in collection mud box at unified collection under the impact of liquid
Reason；
（4）Water outlet, the clear water for entering gathering ground is exported by outlet pipe, in the clear water obtained after treatment, main pollution
Thing TN clearances are up to 33.74%, TP clearances 66.06%, and COD clearances are 79.17% up to 60%, SS clearances, and chlorophyll a is gone
Except rate is up to 95.73%.Refer to shown in table 2 below.
Each contamination index's removal effect of table 2
| Title | TN | TP | CODcr | SS | Chlorophyll a |
| Water inlet（mg/L） | 1.66 | 0.14 | 36.04 | 17.13 | 40.09 |
| Water outlet（mg/L） | 1.10 | 0.05 | 14.41 | 3.57 | 1.71 |
| Clearance（%） | 33.74 | 66.06 | 60.00 | 79.17 | 95.73 |
Embodiment 3
The use stainless steel wire mesh of described screen pack, mesh size is 300 mesh.Described filter and the folder of horizontal direction
Angle is 45 degree.Remaining be the same as Example 1.
It is new precious as the method for river Estuary is as follows using the present embodiment processing Dian Chi stream entering lake：A kind of muddy water tiny flocculation
Fast filtering method, is comprised the following steps：
（1）Coagulant is prepared, and is selected aluminium polychloride as coagulant, is added water simultaneously in the dosing tank that muddy water tiny flocculation filters device soon
The colloidal solution that concentration is 1 ‰ -3 ‰ is configured to after stirring；
（2）Medicine, water mixing, start muddy water tiny flocculation and filter the muddy water elevator pump and measuring pump of device soon, and pass through controller control
The addition of colloidal solution is the 0.03 ‰ of muddy water addition, shape after the muddy water and coagulant of addition are mixed in pipe-line mixer
Into mixed liquor blending bin entered by three-way pipe, further enter water distribution area after mixing in blending bin；Mixed liquor is in mixing
Residence time in case is 30min；
（3）Filtering, step（2）In mixed liquor be evenly dispersed to by water distribution area on every piece of filter, mixed liquor passed through
Clear water is flowed down by mesh after filter plates enters gathering ground, and the flocculence pollutant stayed on filter is in the mixing newly entered
Enter in mud-collecting slot, be flowed into mud-collecting slot in the presence of self gravitation in collection mud box at unified collection under the impact of liquid
Reason；
（4）Water outlet, the clear water for entering gathering ground is exported by outlet pipe, in the clear water obtained after above method is treated
Major pollutants clearance is referred to shown in table 3 below.
Each contamination index's removal effect of table 3
| Title | TN | TP | CODcr | SS | Chlorophyll a |
| Water inlet（mg/L） | 2.027 | 0.168 | 34.23 | 31.40 | 66.03 |
| Water outlet（mg/L） | 1.103 | 0.057 | 10.81 | 5.33 | 2.49 |
| Clearance（%） | 45.60 | 66.13 | 68.42 | 83.03 | 96.22 |
As can be seen from Table 1, TN clearances are up to 45.6%, TP clearances 66.13%, and COD clearances are up to 68.42%, SS clearances
83.03%, the clearance of chlorophyll a is up to 96.22%.
Claims (10)
1. a kind of muddy water tiny flocculation filters device soon, by water inlet module, medicated module, mixing module, filtering module and intelligent control
Module is constituted, it is characterised in that described water inlet module is made up of water inlet pipe and muddy water elevator pump, and described medicated module is by adding
Medicine-chest, chemical feed pipe and measuring pump composition, described mixing module is made up of pipe-line mixer, blending bin and water distribution area, described
Filtering module is by Rose Box and the filter being arranged in Rose Box, gathering ground, mud-collecting slot and is arranged on two before and after Rose Box
The collection mud box composition of side, described intelligent control module is made up of control cabinet and controller；Described muddy water lifting pump inlet connects
Lead in muddy water water body, outlet is connected with water inlet pipe；Pipe-line mixer, pipe-line mixer outlet are connected with described water inlet pipe
End is connected to the bottom of blending bin；Described Rose Box is that bottom opens up reeded body structure, and Rose Box bottom is opened up
Groove be gathering ground, gathering ground bottom be provided with outlet pipe；Filter upper box part and be provided with water distribution area, if inclined under water distribution area be provided with
Dry block filter, described filter lower end is provided with mud-collecting slot, and mud-collecting slot two ends are communicated in collection mud box；Described control cabinet is set
Put in the side of left side blending bin, described dosing tank is arranged on the side of right side blending bin；Described muddy water elevator pump, metering
Pump and controller are arranged in control cabinet；The entrance point of described measuring pump is communicated in dosing tank, the port of export and chemical feed pipe
Connection；Described chemical feed pipe is connected with pipe-line mixer.
2. a kind of muddy water tiny flocculation according to claim 1 filters device soon, it is characterised in that above described filter also
Provided with recoil nozzle, described recoil nozzle inlet end is connected by pressure pipe with air compressor machine, and described air compressor machine is arranged on
In switch board.
3. a kind of muddy water tiny flocculation according to claim 1 filters device soon, it is characterised in that described controller is can root
Measuring pump chemical feeding quantity and dosing frequency are controlled according to the upper water of muddy water elevator pump, while the upper of muddy water elevator pump can also be controlled
The controller of water speed.
4. a kind of muddy water tiny flocculation according to claim 1 filters device soon, it is characterised in that described filter is by fixing
Plate and the screen pack composition being arranged in fixed plate, described screen pack is meets with acid and alkali-resistance, high temperature resistant, wear-resisting simultaneously
Wire netting or plastic wire.
5. a kind of muddy water tiny flocculation according to claim 3 filters device soon, it is characterised in that the mesh of described screen pack
Size is 100-500 mesh.
6. a kind of muddy water tiny flocculation according to claim 1 or 3 filters device soon, it is characterised in that described filter with
The angle of horizontal direction is 30-65 degree.
7. a kind of muddy water tiny flocculation according to claim 1 filters device soon, it is characterised in that the centre of described mud-collecting slot
Slightly above two ends.
8. a kind of fast filtering method of muddy water tiny flocculation, it is characterised in that comprise the following steps：
Coagulant is prepared, and aluminium polychloride, polymeric aluminum/iron-polyacrylamide or polyacrylamide is selected as coagulant, in muddy water
Tiny flocculation is filtered soon add water and stir in the dosing tank of device after be configured to colloidal solution；
Medicine, water mixing, start muddy water tiny flocculation and filter the muddy water elevator pump and measuring pump of device soon, and control colloid by controller
The addition of solution is the 0.005 ‰ -0.03 ‰ of muddy water addition, and the muddy water and coagulant of addition are mixed in pipe-line mixer
The mixed liquor formed afterwards enters blending bin by three-way pipe, enters water distribution area after further being mixed in blending bin；
Filtering, step（2）In mixed liquor be evenly dispersed to by water distribution area on every piece of filter, mixed liquor passes through filter
Clear water is flowed down by mesh after filtering enters gathering ground, and the flocculence pollutant stayed on filter is in the mixed liquor newly entered
Entered under impact in mud-collecting slot, be flowed into unified collection processing in collection mud box in the presence of self gravitation in mud-collecting slot；
Water outlet, the clear water for entering gathering ground is exported by outlet pipe.
9. a kind of fast filtering method of muddy water tiny flocculation according to claim 8, it is characterised in that step（1）In to polymerize chlorine
The concentration for changing aluminium polychloride in the colloidal solution that aluminium is configured to as coagulant is 1 ‰ -3 ‰, with polymeric aluminum/iron-polypropylene
The concentration of polymeric aluminum/iron-polyacrylamide is 0.5 ‰ -3 ‰ in the colloidal solution that acid amides is configured to as coagulant, with poly- third
The concentration of polyacrylamide is 0.5 ‰ -1 ‰ in the colloidal solution that acrylamide is configured to as coagulant.
10. a kind of fast filtering method of muddy water tiny flocculation according to claim 8, it is characterised in that step（2）Described in it is mixed
It is 3-30min to close residence time of the liquid in blending bin.
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