CN109607707A - A kind of low energy consumption high suspended matter waste water treatment process and processing unit - Google Patents
A kind of low energy consumption high suspended matter waste water treatment process and processing unit Download PDFInfo
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- CN109607707A CN109607707A CN201811426821.6A CN201811426821A CN109607707A CN 109607707 A CN109607707 A CN 109607707A CN 201811426821 A CN201811426821 A CN 201811426821A CN 109607707 A CN109607707 A CN 109607707A
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- electric flocculation
- waste water
- chamber
- tube settler
- suspended matter
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
-
- 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
Abstract
A kind of low energy consumption electric flocculation high suspended matter waste water treatment process of the present invention, including electric flocculation pretreatment, tube settler processing and the big processing step of multi-medium filtering 3, successively coordinated between each step, Coal Gas Washing Cycling Water suspended particulate is handled through electric flocculation electrolysis, little particle is flocculated into bulky grain, and prevents electric flocculation component from being covered by impurity particle and is passivated；Wadding body comes into full contact with sedimentation in tube settler step with tube settler apparatus surface simultaneously, improves sedimentation separation effect of the floc particle on tube settler device, realizes and acts on the purification separation of subtle suspended impurity intractable in waste water；Through tube settler device treated waste water, further overflow enters inside filtering chamber, handles through multi-medium filtering, obtains clear liquid after the processing of deep purifying.Experimental researches prove that clear liquid can reach reuse or outlet standard after processing.Whole processing technology consumes energy low, pollution-free, industrial utility value is high without adding chemical agent.
Description
Technical field
The present invention relates to the processing unit of high concentration suspended matter waste water, in particular at a kind of low energy consumption high suspended matter waste water
Science and engineering skill and processing unit.
Background technique
With the development in an all-round way of China's economic society, environmental protection policy constantly improve and construction project environment supervision
Continue to increase, sandstone production, power generation, mining, a large amount of productions containing high concentration suspended matter that the engineerings such as cavern excavation generate are useless
Water has become the focus of social concerns.
Suspended matter refers to water body fine grained of the partial size less than 62 μm, mainly by silt, clay, protozoan, algae, thin
The composition such as bacterium, virus and macromolecule organic, as the defeated shifting of water body forms wadding body and settles.Water body recovery technology and water resource,
Water environment is closely related with Ecology.It is a series of that the increase of concentration of suspension causes water body physics, chemistry and biological nature to present
Variation, relatively conventional adverse effect includes the decline of water landscape aesthetic feeling, water process expense increases, fishery resources decline and aquatic
State system is seriously degenerated." water environment quality standard " (GB3838-2002) does not limit concentration of suspension in China,
But " integrated wastewater discharge standard " (GB8978-1996) primary standard provides, all kinds of stain disease concentration of suspension must not be higher than
100mg/L.In national economy activity, the generations such as all kinds of sandstone aggregate processing, processing of stone, exploitation of mineral resources, selected flushing are given up
Aqueous suspension concentration is typically up to thousands of or even tens of thousands of milligrams per liter, protects water ecological environment, by high concentration suspended matter purify to
Qualified discharge is particularly significant.
For high concentration suspended matter, common treatment process is natural sedimentation method and coagulant sedimentation.High concentration suspended matter
Waste water generally arises from the remote mountain areas for carrying out all kinds of mining and ore dressing, the horizontal sedimentation tank or radical sedimentation basin of auxiliary construction
It is both needed to the biggish flat open ground of area, addressing is extremely difficult.The natural sedimentation time is generally longer, effect is poor, to accelerate wadding
Retrogradation is formed sediment, and a large amount of flocculants such as PAC and PAM etc. enter sedimentation basin by water distribution dosing, is improving the same of suspended matter treatment effeciency
When, the higher body refuse of a large amount of moisture content is produced, later period body refuse treating capacity and processing cost are increased.
Electric flocculation is gone in water removal using the precipitate metal hydroxides that soluble metal anode generates in electrolytic process
The water treatment technology of polluter.The technology can effectively remove water-borne glue body and suspended matter pollutant matter.Studies have shown that electricity wadding
It is solidifying that the concentration of suspension of slaughtering wastewater and electroplating wastewater can be made to be down to 31mg/L and 57mg/ respectively from 2390mg/L and 2737mg/L
L.With traditional natural precipitating compared with coagulating sedimentation, there is electric flocculation no medicament to put into secondary pollution, mud-water separation effect is good,
Body refuse moisture content is low, occupied area is small, is easily achieved the advantages that automatic control.Electric flocculation technique is lower than in processing at present
Ultrahigh in efficiency in terms of the suspended matter of 3000mg/L, but be applied at high concentration suspended matter of the suspended impurity concentration higher than 3000mg/L
The report of reason is less.
Summary of the invention
Through inventor experimental studies have found that, after the concentration of suspended matter in waste water to be processed reach a certain height, highly concentrated
It spends under suspended state, influence of the electric flocculation to suspended particle surface charge is gradually reduced, and individual electric flocculation is unable to reach conjunction
The treatment effect of lattice.For this purpose, the present invention is to solve the problems, such as that high suspended matter waste water is difficult to be fully cleaned up processing by electric flocculation, study
The low energy consumption environment protection electric flocculation treatment process of comprehensive decontamination effect can be reached and its be matched to high-concentration suspension waste water by developing one kind
Cover the integrated electric flocculation processing unit used.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of low energy consumption electric flocculation high suspended matter waste water treatment process, which includes following operating procedure:
S1, electric flocculation pretreatment: by high suspended matter waste water to be processed by electric flocculation reaction chamber, and through electric flocculation chamber
In electric flocculation component carry out electric flocculation electrolysis processing；
S2, tube settler processing: will be electrolysed that treated that waste water is passed through tube settler chamber interior through electric flocculation again, described
Tube settler chamber interior is provided with the tube settler device that several transverse directions equidistantly arrange, the spacing of the tube settler device
For 1~10cm, inclination angle is 30~60 °, and the higher suspension fine impurity removed of not flocculating in the waste water is filled in the tube settler
After setting surface deposition, bottom of pond is slided under the effect of gravity and is concentrated discharge again, reaches isolation of purified effect；
S3, multi-medium filtering processing: making to enter filtering chamber through overflow through tube settler device treated waste water, and
The more medium filter processing inside the filtering chamber is set to get the clear liquid to after handling.
Wherein, high suspended matter waste water of the present invention, refers to suspended impurity content height, and suspended matter particle size is not equal and dense
Spend the biggish waste water of variation range.
According to above-mentioned technical proposal, inventor is based on the original for being difficult to be handled by electric flocculation comprehensive decontamination to higher suspension waste water
Cause: i.e. after the concentration of suspended matter in waste water to be processed reach a certain height, under high-concentration suspension state, electric flocculation is to suspension
The influence of composition granule surface charge is gradually reduced, and causes to influence gradually suspended particle surface charge under long-time energized state
Reduce, suspended particle is more in addition and partial size is small, is easily adsorbed on electric flocculation polar board surface, causes electric flocculation pole plate passivation, into one
Step weakens electric flocculation cell reaction effect, is unable to reach good treatment effect, and it is high to have researched and developed above-mentioned low energy consumption electric flocculation
Suspended wastewater treatment process.
The technique is based on the characteristics of above-mentioned higher suspension waste water, is successively to handle comprising electric flocculation, tiltedly by treatment process design
Pipe settlement treatment and multi-medium filtering handle 3 big processing steps, and successively coordinated, Coal Gas Washing Cycling Water suspend between each step
Particle is handled through electric flocculation electrolysis, and little particle is flocculated into bulky grain, and is prevented electric flocculation component from being covered by impurity particle and be passivated；
Wadding body comes into full contact with sedimentation in tube settler step with tube settler apparatus surface simultaneously, improves floc particle in tube settler
Sedimentation separation effect on device is realized and is acted on the purification separation of subtle suspended impurity intractable in waste water；It is heavy through inclined tube
Falling unit treated waste water, further overflow enters inside filtering chamber, handles through multi-medium filtering, obtains deep purifying
Processing after clear liquid.Experimental researches prove that clear liquid can reach reuse or outlet standard after processing.
Whole processing technology can not only realize to higher suspension waste water class settling, comprehensive deep purifying treatment effect, and
Without adding chemical reagent, consume energy low, pollution-free, the actual treatment use environment and technique for being more suitable for high suspended matter waste water need
It asks, industrial utility value is high.
Preferably, waste liquid is controlled with 5-15m/h flow velocity, the preferably flow velocity of 5-10m/h, and more preferably 5-8m/h is passed through institute
Electric flocculation reaction chamber is stated, and controls and the tube settler chamber is passed through with 5-10m/h flow velocity.It corresponds to preferably, the inclined tube
The spacing of sedimentation device is 2~6cm, and inclination angle is 60 °.
According to above-mentioned preferred process parameter, it can further promote Coal Gas Washing Cycling Water suspended particulate pre- through electric flocculation controllability
Precipitating prevents the capped passivation of electric flocculation component；Particle surface performance is modified by electrolysis simultaneously, promotes the modification of non-flocculation sedimentation
Suspended impurity comes into full contact with deposition with tube settler apparatus surface in tube settler step afterwards, further increases suspended particulate
Deposition separating effect on tube settler device improves the purification separation journey to subtle suspended impurity intractable in waste water
Degree.
Further, the indoor electric flocculation pole plate of the electric flocculation reaction chamber selects aluminum substrate, iron pole plate, ferro-aluminum mixing pole
Any one or a few in plate.
Matched in addition, the present invention furthermore provides one kind with above-mentioned low energy consumption electric flocculation high suspended matter waste water treatment process
Cover the processing unit that uses, which includes liquid reserve tank, liquid reserve tank be internally provided with the electric flocculation reaction chamber being sequentially communicated,
Tube settling chamber and filtering chamber；
It is provided with electric flocculation component in the electric flocculation reaction chamber, for receiving high suspended matter waste water to be processed, and it is right
It carries out electric flocculation electrolysis processing；It is provided with inlet and outlet on the lateral wall of the electric flocculation reaction chamber, is arranged on inner sidewall
There is communicating pipe；The tube settling cavity bottom is protruded into the end of the communicating pipe, and for that will be electrolysed through electric flocculation, treated
Waste water is passed through the tube settling cavity bottom；
The tube settling chamber interior is provided with the tube settler device that several transverse directions equidistantly arrange, and the inclined tube is heavy
The spacing of falling unit is 1~10cm, and inclination angle is 30~60 °；It is additionally provided with outlet pass above the tube settler device, institute
Outlet pass is stated to be connected to the filtering chamber；
The filtering chamber is internally provided with more medium filter, for receiving through tube settler treated waste water, and
Depth-type filtration processing is carried out to it.
According to above-mentioned technical proposal, by the way that the electric flocculation reaction chamber, tube settling chamber and filtering chamber are arranged
Be integrated structure, and by the way that the optimal setting of connectivity structure and relationship between each chamber, being further reduced device makes
With occupied area, the flexible applicability of device is improved.
Preferably, inside the electric flocculation reaction chamber, it is additionally provided with the cycloid with the mating setting of electric flocculation component
Formula rabbling mechanism or Stirring mechanism；For agitation to waste water in electric flocculation pretreatment, promote in chamber impurity flocculation at
Bulky grain, while the passivation of electric flocculation component is prevented to a certain extent.
Preferably, overflow weir is additionally provided with above tube settler device area, and the setting of the overflow weir is high
Degree is not higher than the height of the outlet pass.
Further, the bottom of the electric flocculation reaction chamber, tube settler chamber and multi-medium filtering chamber is provided with
Blow-off line branch.
Preferably, which further includes filtering chamber's backwash mechanism, and filtering chamber's backwash mechanism includes
Clear liquid conveyance conduit and sewage backwash pipeline；The clear liquid conveyance conduit is arranged in filtering chamber bottom, and and filtering chamber
Interior more medium filter connection；The top of filtering chamber's lateral wall is arranged in the sewage backwash pipeline, for backwashing
The reception and discharge of sewage afterwards.
Preferably, which further includes blowdown main pipeline, the blowdown main pipeline respectively with each blow-off line branch
And the sewage backwash pipeline connection, the concentration emission treatment for sewage.
Compared with prior art, beneficial effects of the present invention:
1, purified treatment effect is good: the treatment process according to the present invention, and successively coordinated between each step makes waste water
Middle and high concentration suspended particulate, by little particle flocculation at large granular impurity, is ensureing electric flocculation component after electric flocculation electrolysis processing
It is abundant with tube settler apparatus surface after promoting flocculated large granular impurity to flow into tube settler chamber under normal operating condition
Contact sedimentation, thus promote sedimentation separation effect of the subtle suspended particulate of modified high concentration on tube settler device, it is real
Now to the purification separation effect of subtle suspended impurity intractable in waste water；Through tube settler device treated waste water, then into
One step overflow enters inside filtering chamber, handles through multi-medium filtering, obtains clear liquid after the processing of deep purifying.Through experimental study
Show that the degree of purification of clear liquid after processing can reach reuse or outlet standard.
2, saving power and preventing pollution contaminates: the treatment process according to the present invention, and entire treatment process passes through without adding chemical agent
Electric flocculation electrolysis processing and tube settling processing and multi-medium filtering processing combine, and entire processing unit energy consumption is effectively reduced.
It consumes energy low, pollution-free, is more suitable for high suspended matter waste water actual treatment use environment and process requirements, industrial utility value is high.
3, occupied area is small, flexibility is high: the processing unit according to the present invention, which is filled by reacting electric flocculation
Set, inclined-pipe settler and multi-medium filtering device are designed as integrated connecting chamber structure, significantly reduce device use
Occupied area, install and use it is more convenient；And the synergistic effect by being rationally classified processing function between each chamber indoor set, it can
The purified treatment of suspension waste water suitable for different impurities concentration, flexible applicability are high.
Detailed description of the invention
Fig. 1 is matching used integrated with a kind of low energy consumption electric flocculation high suspended matter waste water treatment process of the present invention
The structural schematic diagram of electric flocculation high suspended matter wastewater treatment equipment.
Fig. 2 is the internal structure perspective diagram of integration electric flocculation high suspended matter wastewater treatment equipment described in Fig. 1.
Fig. 3 is that the working principle of integration electric flocculation high suspended matter wastewater treatment equipment when treating wastewater described in Fig. 1 is shown
It is intended to.
Operation principle schematic diagram when Fig. 4 is the backwash of integration electric flocculation high suspended matter wastewater treatment equipment described in Fig. 1.
Marked in the figure: 1- electric flocculation reaction chamber, 101- electric flocculation component, 102- mixing component, 102A- slide link,
102B- agitating shaft, 102C- fixed underpan, 103- water inlet, 2- tube settling chamber, 2A- communicating pipe, 201- tube settler dress
It sets, 3- multi-medium filtering chamber, 3A- outlet pass, 301- more medium filter, 302- water outlet, 4- overflow weir, 501- clear liquid is defeated
Send pipeline, 502- sewage backwash pipeline, K- blowdown main pipeline, K1- blow-off line branch one, K2- blow-off line branch two,
K3- blow-off line branch three, M- power control cabinet.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
The present embodiment provides a kind of low energy consumption electric flocculation high suspended matter waste water treatment process, the treatment process specifically include as
Lower operating procedure:
S1, electric flocculation pretreatment: high suspended matter waste water to be processed is controlled anti-into the electric flocculation with 5-15m/h flow velocity
Chamber is answered, and after the electric flocculation component in electric flocculation chamber carries out electric flocculation electrolysis processing, control is logical with 5~10m/h flow velocity
Enter the tube settler chamber.Wherein, the indoor electric flocculation pole plate of the electric flocculation reaction chamber selects aluminum substrate, iron pole plate, aluminium
Any one or a few in iron mixing pole plate.
S2, tube settler processing: it will be electrolysed that treated through electric flocculation again waste water is passed through inclined tube with 5~10m/h flow velocity and sink
Chamber interior drops, and the tube settler chamber interior is provided with the tube settler device that several transverse directions equidistantly arrange, described oblique
The spacing of pipe sedimentation device is 1~10cm, and inclination angle is 30~60 °, the higher suspension fine impurity removed of not flocculating in the waste water
After tube settler apparatus surface deposition, bottom of pond is slided under the effect of gravity and is concentrated discharge again, reaches isolation of purified work
With；
S3, multi-medium filtering processing: making to enter filtering chamber through overflow through tube settler device treated waste water, and
The more medium filter processing inside the filtering chamber is set to get the clear liquid to after handling.
Preferably, in above-mentioned steps S1 and S2 preferably, waste liquid is controlled to react with 5-10m/h flow velocity into the electric flocculation
Chamber, and control and the tube settler chamber is passed through with 5-10m/h flow velocity.It corresponds to preferably, between the tube settler device
Away from for 2~6cm, inclination angle is 60 °.
Embodiment 2
As shown in Figs 1-4, the present invention provides a kind of and low energy consumption electric flocculation high suspended matter wastewater treatment work of the present invention
The matching used integrated electric flocculation high suspended matter wastewater treatment equipment of skill, correspondingly, a kind of low energy power consumption wadding of the present invention
Solidifying high suspended matter waste water treatment process, specifically includes following operating procedure:
S1, electric flocculation pretreatment: by high suspended matter waste water to be processed by electric flocculation reaction chamber, and through electric flocculation chamber
In electric flocculation component carry out electric flocculation electrolysis processing；
Preferably, mixing component matched with the electric flocculation component 101 is additionally provided with inside the electric flocculation chamber 1
102, for stirring waste water in electric flocculation reaction chamber, electric flocculation impurity in chamber is promoted to flocculate into bulky grain.It is highly preferred that institute
Stating mixing component 102 is specially cycloidal type agitating device with the mating setting of electric flocculation component 101, including slide link 102A,
Agitating shaft 102B and fixed underpan 102C, wherein on the roof of slide link 102A setting electric flocculation reaction chamber, it is described
The top agitating shaft 102B is fixed with slide link 102A, and end and the fixed underpan 102C of agitating shaft 102B is fixed, the electricity wadding
Solidifying component 101 is fixed on fixed underpan 102C, makes slide link 102A driving agitating shaft 102B rotation, to drive fixed bottom
Electric flocculation component 101 on disk 101C stirs, and impurity caking flocculation is at bulky grain in promotion chamber；
The electric flocculation reaction chamber 1 is the inverted conical shape cylinder that bottom is provided with connection, and the bottom of the inverted conical shape cylinder is set
It is equipped with one K1 of blow-off line branch, the discharge for flocculation separation impurity sewage inside electric flocculation reaction chamber；
Waste water after the precipitation process at the beginning of electric flocculation: being passed through inside tube settler chamber 2 by S2, tube settler processing again,
The tube settler chamber 2 is internally provided with the tube settler device 201 that several transverse directions equidistantly arrange, the tube settler dress
The spacing for setting 201 is 1~10cm, and inclination angle is 30~60 °, does not flocculate the higher suspension fine impurity removed described in the waste water
After 201 surface settlement of tube settler device, bottom of pond is slided under the effect of gravity and is concentrated discharge again, reaches isolation of purified effect；
Outlet pass 3A, the outlet pass 3A and the multi-medium filtering chamber are additionally provided with above the tube settler area
Room 301 is connected to；It is preferably provided at the top in tube settler area in the outlet pass 3A, is made useless after tube settler chamber treatment
Water is acted on through overflow, into the multi-medium filtering chamber 301.Preferably, it is additionally provided with above tube settler area excessive
Weir 4 is flowed, and the setting height of the overflow weir is not higher than the height of the outlet pass 3A；The overflow weir 4 and the outlet pass
The mating setting of 3A, the waste water after making 201 settlement treatment of tube settler device, overflow cover the 3A after the water flowing again of overflow weir 4
The multi-medium filtering chamber 3 is flowed into, promotes suspended impurity in the further sedimentation separation effect in tube settler area；
Further, the tube settler chamber 1 is the inverted conical shape cylinder that bottom is provided with connection, the bottom of the inverted conical shape cylinder
Portion is provided with three K3 of two K2 of blow-off line branch and blow-off line branch, the impurity sewage warp generated inside tube settling chamber 1
Blowdown official road branch two K2 and three K3 of blow-off line branch discharge；
S3, multi-medium filtering processing: make to enter filtering chamber through overflow through treated the waste water of tube settler device 201
3, and the processing of the more medium filter 301 inside the filtering chamber 3 is set to get the clear liquid to after handling.
Preferably, which further includes blowdown main pipeline K, the blowdown main pipeline K respectively successively with blow-off line
One K1 of branch, two K2 of blow-off line branch, three K3 of blow-off line branch connection, each indoor sewage of chamber are pooled to blowdown supervisor
Road K, emission treatment is concentrated by blowdown main pipeline K.
Embodiment 3
Use integrated electric flocculation high suspended matter wastewater treatment equipment as shown in Figs 1-4 as matching equipment, it is right
Nanchong so-and-so chemical plant wastewater be handled as follows:
S1, electric flocculation pretreatment: high suspended matter waste water to be processed is controlled with 10m/h through electric flocculation reaction chamber 1, and
Electric flocculation electrolysis processing is carried out through the electric flocculation component 101 in electric flocculation chamber 1；
S2, tube settler processing: the waste water after the precipitation process at the beginning of electric flocculation is passed through inclined tube with the flow velocity of 8m/h again and is sunk
It drops inside chamber 2, the tube settler chamber 2 is internally provided with the tube settler device 201 that several transverse directions equidistantly arrange, institute
The spacing for stating tube settler device 201 is 2cm, and inclination angle is 60 °, and the higher suspension fine impurity removed of not flocculating in the waste water exists
After 201 surface of the tube settler device deposition, bottom of pond is slided under the effect of gravity and is concentrated discharge again, reaches isolation of purified work
With；
S3, multi-medium filtering processing: make to enter filtering chamber through overflow through treated the waste water of tube settler device 201
3, and the processing of the more medium filter 301 inside the filtering chamber 3 is set to get the clear liquid to after handling.
Water quality detection situation before and after the processing is as shown in table 1:
The water quality testing data before and after the processing of table 1
Embodiment 4
Use integrated electric flocculation high suspended matter wastewater treatment equipment as shown in Figs 1-4 as matching equipment, it is right
Sichuan so-and-so chemical industry plant chimney stalk be handled as follows:
S1, electric flocculation pretreatment: passing through electric flocculation reaction chamber 1 for high suspended matter waste water to be processed with the flow velocity of 8m/h,
Electric flocculation electrolysis processing is carried out through the electric flocculation component 101 in electric flocculation chamber 1；
S2, tube settler processing: the flow velocity waste water with 5m/h after the precipitation process at the beginning of electric flocculation is passed through inclined tube again and is sunk
It drops inside chamber 2, the tube settler chamber 2 is internally provided with the tube settler device 201 that several transverse directions equidistantly arrange, institute
The spacing for stating tube settler device 201 is 10cm, and inclination angle is 30 °, the higher suspension fine impurity removed of not flocculating in the waste water
After the deposition of 201 surface of tube settler device, bottom of pond is slided under the effect of gravity and is concentrated discharge again, reaches isolation of purified
Effect；
S3, multi-medium filtering processing: make to enter filtering chamber through overflow through treated the waste water of tube settler device 201
3, and the processing of the more medium filter 301 inside the filtering chamber 3 is set to get the clear liquid to after handling.
Water quality detection situation before and after the processing is as shown in table 2:
The water quality testing data before and after the processing of table 2
Embodiment 5
Use integrated electric flocculation high suspended matter wastewater treatment equipment as shown in Figs 1-4 as matching equipment, it is right
Hebei Ji so-and-so the Chemical Co., Ltd.'s waste water that weighs is handled as follows:
S1, electric flocculation pretreatment: high suspended matter waste water to be processed is passed through the electric flocculation reaction chamber with 9m/h flow velocity
1, electric flocculation electrolysis processing is carried out through the electric flocculation component 101 in electric flocculation chamber 1；
S2, tube settler processing: the waste water after the precipitation process at the beginning of electric flocculation is passed through tube settler with 7m/h flow velocity again
Inside chamber 2, the tube settler chamber 2 is internally provided with the tube settler device 201 that several transverse directions equidistantly arrange, described
The spacing of tube settler device 201 is 3cm, and inclination angle is 45 °, does not flocculate the higher suspension fine impurity removed in institute in the waste water
After stating 201 surface of tube settler device deposition, bottom of pond is slided under the effect of gravity and is concentrated discharge again, reaches isolation of purified work
With；
S3, multi-medium filtering processing: make to enter filtering chamber through overflow through treated the waste water of tube settler device 201
3, and the processing of the more medium filter 301 inside the filtering chamber 3 is set to get the clear liquid to after handling.
Water quality detection situation before and after the processing is as shown in table 3:
The water quality testing data before and after the processing of table 3
Embodiment 6
Use integrated electric flocculation high suspended matter wastewater treatment equipment as shown in Figs 1-4 as matching equipment, it is right
Anhui food limited liability company waste water is handled as follows:
S1, electric flocculation pretreatment: high suspended matter waste water to be processed is entered into the electric flocculation reaction chamber with 15m/h flow velocity
1, the electric flocculation reaction chamber 1 is flowed out with 10m/h flow velocity, carries out electric flocculation through the electric flocculation component 101 in electric flocculation chamber 1
Electrolysis processing；
S2, tube settler processing: the waste water after the precipitation process at the beginning of electric flocculation is passed through tube settler with 10m/h flow velocity again
Inside chamber 2, the tube settler chamber 2 is internally provided with the tube settler device 201 that several transverse directions equidistantly arrange, described
The spacing of tube settler device 201 is 5cm, and inclination angle is 30 °, does not flocculate the higher suspension fine impurity removed in institute in the waste water
After stating 201 surface of tube settler device deposition, bottom of pond is slided under the effect of gravity and is concentrated discharge again, reaches isolation of purified work
With；
S3, multi-medium filtering processing: make to enter filtering chamber through overflow through treated the waste water of tube settler device 201
3, and the processing of the more medium filter 301 inside the filtering chamber 3 is set to get the clear liquid to after handling.
Water quality detection situation before and after the processing is as shown in table 4:
The water quality testing data before and after the processing of table 4
Comparative example 1
The comparative example is arranged relative to embodiment 3, and compared with Example 3, difference is only that: will be to be processed in step S1
Waste water is passed through the electric flocculation reaction chamber with 5m/h flow velocity, then controls and be passed through the tube settler chamber with 15m/h flow velocity.Its
Yu Jun is constant.
Then water quality detection situation is as shown in table 5 before and after the processing:
The purification of table 5 front and back water quality testing data
Comparative example 2
The comparative example is arranged relative to embodiment 3, and compared with Example 3, difference is only that: will be oblique described in step S2
The spacing of pipe sedimentation device 201 and inclination angle are changed to respectively: 15cm, and inclination angle is 70 °, remaining is constant.
Then water quality detection situation is as shown in table 6 before and after the processing:
The water quality testing data before and after the processing of table 6
From above-mentioned laboratory test results: if changing in low energy consumption higher suspension waste water treatment process step of the present invention
Waste water flow velocity, the spacing of tube settler device, any control parameter in inclination angle then will lead to electrolysis treated waste water in inclined tube
Fail to come into full contact with sedimentation with 201 surface of tube settler device in precipitation step, be aggravated so as to cause whole device operating load,
And the effluent quality degree of purification of processed waste water reduces.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of low energy consumption electric flocculation high suspended matter waste water treatment process, which is characterized in that including following operating procedure:
S1, electric flocculation pretreatment: by high suspended matter waste water to be processed by electric flocculation reaction chamber, and through in electric flocculation chamber
Electric flocculation component carries out electrolysis processing；
S2, tube settler processing: it will be electrolysed that treated that waste water is passed through tube settler chamber interior, the inclined tube through electric flocculation again
Settlement chamber portion is provided with the tube settler device that several transverse directions equidistantly arrange, and the spacing of the tube settler device is 1
~10cm, inclination angle are 30~60 °, and the modification higher suspension fine impurity removed of not flocculating in the waste water is filled in the tube settler
Set surface settlement isolation of purified；
S3, multi-medium filtering processing: make to enter filtering chamber through overflow, and through setting through tube settler device treated waste water
The more medium filter processing inside the filtering chamber is set to get the clear liquid to after handling.
2. a kind of low energy consumption electric flocculation high suspended matter waste water treatment process according to claim 1, which is characterized in that control
Waste liquid enters the electric flocculation reaction chamber with 5-15m/h flow velocity, and controls and be passed through the tube settler with 5~10m/h flow velocity
Chamber.
3. a kind of low energy consumption electric flocculation high suspended matter waste water treatment process according to claim 2, which is characterized in that described
The spacing of tube settler device is 1~10cm, and inclination angle is 30~60 °.
4. a kind of low energy consumption electric flocculation high suspended matter waste water treatment process according to claim 1, which is characterized in that described
The indoor electric flocculation pole plate of electric flocculation reaction chamber, select aluminum substrate, iron pole plate, in ferro-aluminum mixing pole plate any one or it is several
Kind.
5. a kind of -4 any low energy consumption electric flocculation high suspended matter waste water treatment process institutes are matching used according to claim 1
Processing unit, which is characterized in that the device includes liquid reserve tank, and the electric flocculation reaction chamber being sequentially communicated is internally provided in liquid reserve tank
Room, tube settling chamber and filtering chamber；
Be provided with electric flocculation component in the electric flocculation reaction chamber, for receiving high suspended matter waste water to be processed, and to its into
Row electric flocculation electrolysis processing；Inlet and outlet, the company of being provided on inner sidewall are provided on the lateral wall of the electric flocculation reaction chamber
Siphunculus；The tube settling cavity bottom is protruded into the end of the communicating pipe, for the waste water after electric flocculation cleans to be passed through
The tube settling cavity bottom；
The tube settling chamber interior is provided with the tube settler device that several transverse directions equidistantly arrange, the tube settler dress
The spacing set is 1~10cm, and inclination angle is 30~60 °；Outlet pass is additionally provided with above the tube settler device, it is described logical
The mouth of a river is connected to the filtering chamber；
The filtering chamber is internally provided with more medium filter, for receiving through tube settler treated waste water, and to it
Carry out depth-type filtration processing.
6. a kind of low energy consumption electric flocculation high suspended matter wastewater treatment equipment according to claim 5, which is characterized in that described
Inside electric flocculation reaction chamber, it is additionally provided with the cycloidal type rabbling mechanism or Stirring with the mating setting of electric flocculation component
Mechanism.
7. a kind of low energy consumption electric flocculation high suspended matter wastewater treatment equipment according to claim 5, which is characterized in that in institute
It states and is additionally provided with overflow weir above tube settler device area, and the setting height of the overflow weir is not higher than the outlet pass
Highly.
8. a kind of low energy consumption electric flocculation high suspended matter wastewater treatment equipment according to claim 5, which is characterized in that described
The bottom of electric flocculation reaction chamber, tube settler chamber and multi-medium filtering chamber is provided with blow-off line branch.
9. a kind of low energy consumption electric flocculation high suspended matter wastewater treatment equipment according to claim 5, which is characterized in that also wrap
Filtering chamber's backwash mechanism is included, filtering chamber's backwash mechanism includes clear liquid conveyance conduit and sewage backwash pipeline；
The clear liquid conveyance conduit setting is connected in filtering chamber bottom, and with the indoor more medium filter of filter chamber；The recoil
The top that filtering chamber's lateral wall is arranged in blow-off line is washed, the reception and discharge for sewage after backwashing.
10. a kind of low energy consumption electric flocculation high suspended matter wastewater treatment equipment according to claim 9, which is characterized in that also
Including blowdown main pipeline, the blowdown main pipeline is connected to each blow-off line branch and the sewage backwash pipeline respectively,
Concentration emission treatment for sewage.
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| CN111943462A (en) * | 2019-12-20 | 2020-11-17 | 重庆大学 | Adjusting pretreatment tank with water quality purification function |
| CN113511758A (en) * | 2021-08-11 | 2021-10-19 | 扬州市江隆矿业设备有限公司 | Wastewater treatment equipment and working method thereof |
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