CN109231373A - A kind of equilibrium centrifugation ionization paper-pulp effluent processing equipment - Google Patents
A kind of equilibrium centrifugation ionization paper-pulp effluent processing equipment Download PDFInfo
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- CN109231373A CN109231373A CN201811125377.4A CN201811125377A CN109231373A CN 109231373 A CN109231373 A CN 109231373A CN 201811125377 A CN201811125377 A CN 201811125377A CN 109231373 A CN109231373 A CN 109231373A
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- electrolysis
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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
- C02F1/465—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electroflotation
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
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- General 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)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of equilibrium centrifugations to ionize paper-pulp effluent processing equipment, its structure includes controller, differential pressure flow meter, working barrel, treatment box, suspended matter separator in water, controller is installed on the upper surface for the treatment of box and is connected in a manner of bonding, differential pressure flow meter is embedded in the outer surface for being installed on working barrel, and working barrel is set to the outer surface for the treatment of box.The present invention starches the weight of itself by power-assisted, comb the mutual cooperation of structure between reticle and deceleration strip, so that the flowing of water flow is more steady, reduce the impact force of water flow, water impact is prevented to be electrolysed graphite annulus, take away the tiny bubble that its surface has just been formed, to influence removal effect, the centrifugal force of generation is rotated with it using the porous structure of electrolysis graphite ring outer surface, under the power-assisted of screw thread printed line, the bubble that it is generated waves around adheres to impurity, simultaneously under the opposing force of more stable water flow, so that bubble wave it is more uniform, improve impurity removal effect.
Description
Technical field
The present invention relates to field of sewage treatment equipment, more precisely, being a kind of equilibrium centrifugation ionization paper-pulp effluent processing
Equipment.
Background technique
As the development of paper industry is more and more flourishing, the wastewater flow rate generated in its process is more and more, and this
A little waste water are discharged in extraneous river and sewer, are caused huge pollution to water resource, are seriously affected environmental sanitation, therefore right
It is imperative in the processing recycling of waste water, and it is most currently for graininess impurity and suspended matter present in paper pulp wastewater
Using ionization gas floatation process, existing traditional technology consideration is not comprehensive, has the following drawbacks:
The ionization air bearing of equipment at present is to place electrode group in entrance to be powered to it, so that its ionization is generated bubble, then
It drives bubble to drift about by the water of entrance, ad-hesion removal rate impurity is carried out, since the masses hit power of entrance is larger, often just
The bubble of the small volume of formation brings processing chamber into, simultaneously because contain more hydrophilic granules impurity in paper pulp wastewater, so
Coagulant can be added thereto, improve the viscosity of its waste water, and meticulous bubble not only influences its ascent rate, Er Qieqi
Bubble radius is smaller, and suffered additional pressure is bigger in bubble, so that bubble is easily broken, so that the impurity adhered to returns again
Into water, treatment effeciency is reduced.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of ionization paper-pulp effluent processing of equilibrium centrifugation to set
It is standby, to solve the ionization air bearing of the current equipment of the prior art, it is to place electrode group in entrance to be powered to it, produces its ionization
Anger bubble, then by enter water drive bubble drift about, carry out ad-hesion removal rate impurity, due to entrance masses hit power compared with
Greatly, the bubble of the small volume just formed is often brought into processing chamber, simultaneously because containing more hydrophilic in paper pulp wastewater
Granule foreign improves the viscosity of its waste water so coagulant can be added thereto, and meticulous bubble not only influences the upper of it
Floating speed, and bubble radius is smaller, and suffered additional pressure is bigger in bubble, so that bubble is easily broken, so that gluing
Attached impurity comes back in water, reduces the defect for the treatment of effeciency.
To achieve the goals above, the present invention is to realize by the following technical solutions:
A kind of equilibrium centrifugation ionizes paper-pulp effluent processing equipment, structure include controller, differential pressure flow meter, working barrel,
Suspended matter separator in treatment box, water, the controller are installed on the upper surface for the treatment of box and are connected in a manner of bonding
It connects, the differential pressure flow meter insertion is installed on the outer surface of working barrel, and the working barrel is set to the outer surface for the treatment of box, the place
The inside of case is managed embedded with suspended matter separator in water, in the water suspended matter separator include power-assisted slurry, ball, partition,
Water flow combing mitigates frame, braced frame, electrolysis column, slag scraping mechanism, and the top of power-assisted slurry is equipped with partition, the partition it is interior
Portion is embedded with ball, and the ball fits in the middle part of braced frame and is connected by way of rotation, the support frame
The bottom of frame is equipped with power-assisted slurry, and the electrolysis column is set to the top of braced frame and is fixedly connected in a manner of bonding, institute
It states water flow combing and mitigates the left end that frame insertion is installed on partition, the top of the electrolysis column is equipped with slag scraping mechanism.
As the present invention, further scheme, the water flow combing mitigation are provided with combing reticle, deceleration strip, the comb
Deceleration strip is installed below reason reticle and is fixedly connected by way of bonding.
As the present invention, further scheme, the combing reticle are described equipped with reduction of fractions to a common denominator hole, commutator bar, linkage switch block
Reduction of fractions to a common denominator hole is installed on the surface of commutator bar and runs through, and the surface of the commutator bar is equipped with linkage switch block.
As the present invention, further scheme, the deceleration strip are equipped with buffering stop block, circulation duct, decompression layer, noise reduction layer,
The buffering stop block insertion is installed on the inner wall of circulation duct, and the outside of the circulation duct and decompression layer are by way of bonding
It is connected, the decompression layer is connected in a manner of being bonded with noise reduction layer.
As the present invention, further scheme, the electrolysis column are described equipped with electrolysis core, screw thread printed line, electrolysis graphite annulus
Electrolysis core with electrolysis graphite annulus nesting by way of be connected, be equipped on the outside of the electrolysis graphite annulus screw thread printed line and
It is connected by way of bonding.
As the present invention, further scheme, the electrolysis column are symmetrically distributed in the two sides of braced frame there are two setting.
As further scheme of the invention, the power-assisted slurry is the thermoplastic resin made of polycarbonate, is had good
Good weatherability and impact resistance, and quality is thick and heavy.
As the present invention, further scheme, the electrolysis graphite annulus are in hollow cylinder, and there are many outer surface distributions
The aperture of different-diameter.
As the present invention, further scheme, the screw thread printed line are made of graphite, and smooth in appearance is smooth.
As the present invention, further scheme, the buffering stop block have paragutta to be made, and have good impact resistance,
And the buffering stop block of two sides is in be staggered.
Invention beneficial effect
The relatively prior art after the present invention is entered by waste water to be processed, pushes the slowly rotation of power-assisted slurry, and helps
Power slurry drives braced frame to rotate along the outer surface of ball, while being powered to electrolysis core, so that electrolysis graphite annulus and waste water are sent out
Raw reaction generates bubble in its outer surface, since electrolysis graphite annulus rotation can generate lesser centrifugal force, and is electrolysed outside graphite annulus
The bubble of side attachment can wave around under the active force of centrifugal force and the resistance of screw thread printed line, carry out adherency impurity and float,
Then waste water mitigates the buffering stop block being interspersed inside frame by gradually buffer deceleration, simultaneously by the water flow combing on partition
Decompression layer and noise reduction layer play the role of shock-absorption noise-reduction, and then commutator bar combs water flow with linkage switch block, so that
Water flow olderly flowage, while reducing the impact force of water flow, so that water flow passes through reduction of fractions to a common denominator hole smooth flow to the right, and due to centrifugal force
Intermediate region can be flowed under the drive of the bubble to wave around water flow to the right, impurity bonding is carried out to the waste water of each region
Floating processing, the bubble containing impurity finally to float are struck off by slag scraping mechanism.
It is compared to traditional sewage disposal device, which starches the weight of itself, combing reticle by power-assisted
The mutual cooperation of structure between deceleration strip reduces the impact force of water flow, prevents water flow from rushing so that the flowing of water flow is more steady
Electrolysis graphite annulus is hit, the tiny bubble that its surface has just been formed is taken away, to influence removal effect, utilizes electrolysis graphite annulus appearance
The porous structure in face rotates the centrifugal force of generation with it, and under the power-assisted of screw thread printed line, the bubble that it is generated is to four
It waves in week and adheres to impurity, while under the opposing force of more stable water flow, more uniform, the raising so that bubble waves
Impurity removal efficacy.
Detailed description of the invention
By reading referring to attached drawing detailed description of non-limiting embodiments, other feature of the invention, purpose
It will be become more apparent upon with advantage.
In the accompanying drawings:
Fig. 1 is that a kind of equilibrium centrifugation of the present invention ionizes paper-pulp effluent processing equipment structural schematic diagram.
Fig. 2 is the front view structure plan view of suspended matter separator in a kind of water of the present invention.
Fig. 3 is that the main view component of the water flow combing mitigation frame in a kind of water of the present invention in suspended matter separator parses signal
Figure.
Fig. 4 is that a kind of vertical view component that water flow combing mitigates the combing reticle in frame of the present invention parses schematic diagram.
Fig. 5 is the structure enlargement diagram of A in Fig. 3 of the present invention.
Fig. 6 is that the main view component of the electrolysis column in a kind of water of the present invention in suspended matter separator parses schematic diagram.
In figure: controller -1, working barrel -3, treatment box -4, suspended matter separator -5 in water, helps differential pressure flow meter -2
Power slurry -51, ball -52, partition -53, water flow combing mitigate frame -54, braced frame -55, electrolysis column -56, slag scraping mechanism -57,
Comb reticle -541, deceleration strip -542, reduction of fractions to a common denominator hole -541a, commutator bar -541b, linkage switch block -541c, buffering stop block -
542a, circulation duct -542b, decompression layer -542c, noise reduction layer -542d, electrolysis core -561, screw thread printed line -562, electrolysis graphite
Ring -563.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in figures 1 to 6, the present invention provides a kind of technical solution of equilibrium centrifugation ionization paper-pulp effluent processing equipment:
As shown in Figs. 1-2, a kind of equilibrium centrifugation ionizes paper-pulp effluent processing equipment, and structure includes controller 1, pressure current
Meter 2, working barrel 3, treatment box 4, suspended matter separator 5 in water, the controller 1 are installed on the upper surface for the treatment of box 4 simultaneously
And be connected in a manner of bonding, the differential pressure flow meter 2 is embedded in the outer surface for being installed on working barrel 3, and the working barrel 3 is set to
The outer surface for the treatment of box 4, the inside of the treatment box 4 are embedded with suspended matter separator 5 in water, suspended matter separation dress in the water
Setting 5 includes power-assisted slurry 51, ball 52, partition 53, water flow combing mitigation frame 54, braced frame 55, electrolysis column 56, slag scraping mechanism
57, the top of the power-assisted slurry 51 is equipped with partition 53, and the inside of the partition 53 is embedded with ball 52, the ball 52 and support
The middle part of frame 55 fits and is connected by way of rotation, and the bottom of the braced frame 55 is equipped with power-assisted slurry
51, the electrolysis column 56 is set to the top of braced frame 55 and is fixedly connected in a manner of bonding, and the water flow combing mitigates
Frame 54 is embedded in the left end for being installed on partition 53, and the top of the electrolysis column 56 is equipped with slag scraping mechanism 57, due to the weight of power-assisted slurry 51
It measures heavier, preliminary deceleration can not only be carried out to the water flow of inflow, while 55 energy of braced frame under the action of power-assisted slurry 51
It is enough that electrolysis column 56 is driven slowly to rotate.
As shown in figure 3, the water flow combing, which mitigates frame 54, is equipped with combing reticle 541, deceleration strip 542, the combing point
The lower section for cutting plate 541 is equipped with deceleration strip 542 and is fixedly connected by way of bonding.
As shown in figure 4, the combing reticle 541 is equipped with reduction of fractions to a common denominator hole 541a, commutator bar 541b, linkage switch block 541c, institute
It states reduction of fractions to a common denominator hole 541a to be installed on the surface of commutator bar 541b and run through, the surface of the commutator bar 541b is equipped with linkage switch block
541c enables to not generate orderly more by the water flow of reduction of fractions to a common denominator hole 541a by commutator bar 541b and linkage switch block 541c
Turbulent flow reduces the impact force of water flow.
As shown in figure 5, the deceleration strip 542 is equipped with buffering stop block 542a, circulation duct 542b, decompression layer 542c, noise reduction
Layer 542d, the buffering stop block 542a insertion are installed on the inner wall of circulation duct 542b, the outside of the circulation duct 542b with
Decompression layer 542c is connected by way of bonding, and the decompression layer 542c is connected in a manner of being bonded with noise reduction layer 542d,
The buffering stop block 542a being interspersed plays the operation of a gradually buffer deceleration to water flow, so that water flow flowing is more steady.
As shown in fig. 6, the electrolysis column 56 is equipped with electrolysis core 561, screw thread printed line 562, electrolysis graphite annulus 563, the electricity
Solution core 561 is connected by way of nested with electrolysis graphite annulus 563, and the outside of the electrolysis graphite annulus 563 is equipped with screw thread
Printed line 562 and it is connected by way of bonding, due to being electrolysed the porous structure of 563 outer surface of graphite annulus, increases electrolysis stone
The contact area of black ring 563 and electrolyte makes to be electrolysed on the outside of graphite annulus 563 mistake that can be generated more bubbles, and generate
Minute bubbles are not easy to be washed away by water flow.
It is as follows that it implements principle: after waste water to be processed enters, the 51 slowly rotation of promotion power-assisted slurry, and power-assisted slurry 51
Drive braced frame 55 along ball 52 outer surface rotate, while to electrolysis core 561 be powered so that electrolysis graphite annulus 563 with
Waste water reacts, and generates bubble in its outer surface, since the electrolysis rotation of graphite annulus 563 can generate lesser centrifugal force, and it is electric
The bubble adhered on the outside of solution graphite annulus 563 can wave around under the active force of centrifugal force and the resistance of screw thread printed line 562, into
Row adherency impurity floats, and then waste water mitigates the buffering stop block being interspersed inside frame 54 by the water flow combing on partition 53
542a depressurizes layer 542c and noise reduction layer 542d plays the role of shock-absorption noise-reduction by gradually buffer deceleration, then rectifies
541b and linkage switch block 541c comb water flow, so that water flow olderly flowage, while reducing the impact force of water flow, so that
Water flow is by reduction of fractions to a common denominator hole 541a smooth flow to the right, and the bubble to be waved around due to centrifugal force is under the drive of water flow to the right
Intermediate region can be flowed to, impurity bonding floating processing, the bubble containing impurity finally to float are carried out to the waste water of each region
It is struck off by slag scraping mechanism 57.
Problems solved by the invention is the ionization air bearing of the current equipment of the prior art, is to place electrode group pair in entrance
It is powered, make its ionization generate bubble, then by enter water drive bubble drift about, carry out ad-hesion removal rate impurity, due into
The masses hit power entered is larger, and the bubble of the small volume just formed is often brought into processing chamber, simultaneously because paper pulp wastewater
In contain more hydrophilic granules impurity, so coagulant can be added thereto, improve the viscosity of its waste water, and meticulous gas
Bubble not only influences its ascent rate, but also bubble radius is smaller, and it is bigger to steep interior suffered additional pressure, so that bubble holds
It is easily rupturable, so that the impurity adhered to comes back in water, reduce treatment effeciency, the present invention pass through above-mentioned component mutual group
It closes, the weight of power-assisted slurry 51 itself, the mutual cooperation for combing structure between reticle 541 and deceleration strip 542, so that the stream of water flow
It is dynamic more steady, reduce the impact force of water flow, water impact prevented to be electrolysed graphite annulus 563, take away its surface just formed it is thin
Minute bubbles rotate the centrifugation of generation using the porous structure of electrolysis 563 outer surface of graphite annulus to influence removal effect with it
Power, under the power-assisted of screw thread printed line 562, the bubble that it is generated waves around adheres to impurity, while more flat
Under the opposing force of steady water flow, more uniform, the raising impurity removal effect so that bubble waves.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. a kind of equilibrium centrifugation ionizes paper-pulp effluent processing equipment, structure includes controller (1), differential pressure flow meter (2), work
Pump (3), treatment box (4), suspended matter separator (5) in water, it is characterised in that: the controller (1) is installed on treatment box (4)
Upper surface and be connected in a manner of bonding, the differential pressure flow meter (2) insertion is installed on the outer surface of working barrel (3),
The working barrel (3) is set to the outer surface for the treatment of box (4), and the inside of the treatment box (4) is embedded with suspended matter separator in water
(5)；
Suspended matter separator (5) includes power-assisted slurry (51), ball (52), partition (53), water flow combing mitigation frame in the water
(54), braced frame (55), electrolysis column (56), slag scraping mechanism (57), the top of the power-assisted slurry (51) are equipped with partition (53), institute
The inside for stating partition (53) is embedded with ball (52), fits in the middle part of the ball (52) and braced frame (55) and by turning
Dynamic mode is connected, and the bottom of the braced frame (55) is equipped with power-assisted slurry (51), and the electrolysis column (56) is set to support
It the top of frame (55) and is fixedly connected in a manner of bonding, the water flow combing mitigates frame (54) insertion and is installed on partition
(53) top of left end, electrolysis column (56) is equipped with slag scraping mechanism (57).
2. a kind of equilibrium centrifugation according to claim 1 ionizes paper-pulp effluent processing equipment, it is characterised in that: the water flow
Combing mitigates frame (54) and is equipped with combing reticle (541), deceleration strip (542), is equipped with below the combing reticle (541)
It deceleration strip (542) and is fixedly connected by way of bonding.
3. a kind of equilibrium centrifugation according to claim 2 ionizes paper-pulp effluent processing equipment, it is characterised in that: the combing
Reticle (541) is equipped with reduction of fractions to a common denominator hole (541a), commutator bar (541b), linkage switch block (541c), reduction of fractions to a common denominator hole (541a) installation
In commutator bar (541b) surface and run through, the surface of the commutator bar (541b) be equipped with linkage switch block (541c).
4. a kind of equilibrium centrifugation according to claim 2 ionizes paper-pulp effluent processing equipment, it is characterised in that: the deceleration
Band (542) is equipped with buffering stop block (542a), circulation duct (542b), decompression layer (542c), noise reduction layer (542d), the buffering resistance
Block (542a) is embedded in the inner wall for being installed on circulation duct (542b), the outside of the circulation duct (542b) and decompression layer (542c)
It is connected by way of bonding, the decompression layer (542c) is connected in a manner of being bonded with noise reduction layer (542d).
5. a kind of equilibrium centrifugation according to claim 1 ionizes paper-pulp effluent processing equipment, it is characterised in that: the electrolysis
Column (56) is equipped with electrolysis core (561), screw thread printed line (562), electrolysis graphite annulus (563), the electrolysis core (561) and electrolysis graphite
Ring (563) is connected by way of nested, be equipped on the outside of the electrolysis graphite annulus (563) screw thread printed line (562) and
It is connected by way of bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125377.4A CN109231373B (en) | 2018-09-26 | 2018-09-26 | Balanced centrifugal ionization paper pulp sewage treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811125377.4A CN109231373B (en) | 2018-09-26 | 2018-09-26 | Balanced centrifugal ionization paper pulp sewage treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109231373A true CN109231373A (en) | 2019-01-18 |
| CN109231373B CN109231373B (en) | 2021-09-14 |
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ID=65057660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811125377.4A Active CN109231373B (en) | 2018-09-26 | 2018-09-26 | Balanced centrifugal ionization paper pulp sewage treatment equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN109231373B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879501A (en) * | 2019-04-03 | 2019-06-14 | 陈立夫 | A kind of device for processing papermaking wastewater |
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| US4005014A (en) * | 1974-05-17 | 1977-01-25 | Arnold Wikey | Water treatment system with prolonged aeration |
| FR2712880A1 (en) * | 1993-11-26 | 1995-06-02 | Deheurles Alain | Method and device for a wastewater treatment plant. |
| CN1565980A (en) * | 2003-07-08 | 2005-01-19 | 陈明 | High pressure gas-liquid mixed explosion instantaneous sea water desalting plant |
| CN102757113A (en) * | 2012-07-29 | 2012-10-31 | 江苏江华水处理设备有限公司 | Electrolytic flotation equipment |
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| CN108502991A (en) * | 2018-03-07 | 2018-09-07 | 深圳市玖品空气净化科技有限公司 | A kind of intelligent electrofloatation device for Industrial Wastewater Treatment |
| CN108821397A (en) * | 2018-07-05 | 2018-11-16 | 深圳市玖品空气净化科技有限公司 | A kind of sewage-treatment plant based on electrofloatation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005014A (en) * | 1974-05-17 | 1977-01-25 | Arnold Wikey | Water treatment system with prolonged aeration |
| FR2712880A1 (en) * | 1993-11-26 | 1995-06-02 | Deheurles Alain | Method and device for a wastewater treatment plant. |
| CN1565980A (en) * | 2003-07-08 | 2005-01-19 | 陈明 | High pressure gas-liquid mixed explosion instantaneous sea water desalting plant |
| CN102757113A (en) * | 2012-07-29 | 2012-10-31 | 江苏江华水处理设备有限公司 | Electrolytic flotation equipment |
| CN204752290U (en) * | 2015-06-19 | 2015-11-11 | 宜兴市富陶环境保护设备有限公司 | Erect STREAMING electrolysis air supporting pond |
| CN207738495U (en) * | 2017-12-13 | 2018-08-17 | 浙江深澜环境工程有限公司 | A kind of electric flocculation air-floating apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879501A (en) * | 2019-04-03 | 2019-06-14 | 陈立夫 | A kind of device for processing papermaking wastewater |
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| Publication number | Publication date |
|---|---|
| CN109231373B (en) | 2021-09-14 |
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