CN105417642A - Floating type sewage flocculation processing device and energy storage method by adopting same - Google Patents
Floating type sewage flocculation processing device and energy storage method by adopting same Download PDFInfo
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- CN105417642A CN105417642A CN201511018253.2A CN201511018253A CN105417642A CN 105417642 A CN105417642 A CN 105417642A CN 201511018253 A CN201511018253 A CN 201511018253A CN 105417642 A CN105417642 A CN 105417642A
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- anode
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- controlled switch
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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
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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- General Chemical & Material Sciences (AREA)
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a floating type sewage flocculation processing device and an energy storage method by adopting the same, and belongs to the technical field of wastewater processing. In the conventional sewage flocculation processing, the used flocculating agent is produced through a chemical method, which consumes much energy, furthermore, the pollution is generated during the process of flocculating agent production, and the conventional flocculating agent producing device cannot store the electric energy. The cathode has a flat plate structure, which comprises three layers: an upper layer, a medium layer, and a lower layer from top to bottom. The anode is a rectangular block and is made of aluminum alloy, iron alloy, or aluminum-iron alloy. The cathode is opposite to the anode. The cathode is arranged above the anode. A floating block is fixed on the lateral wall of the cathode. The data signal output terminal of a water quality sensor is connected to the data signal input terminal of a controller. The control signal output terminal of the controller is connected to the control terminal of a controllable switch, one end of the controllable switch is connected to the anode, and the other end of the controllable switch is connected to the cathode. The provided device can process wastewater and generate electric energy at the same time.
Description
Technical field
The invention belongs to technical field of waste water processing.
Background technology
Water resources is human being's production and indispensable natural resources in life; also be the environmental resources that biology is depended on for existence and development; along with quality of water environment constantly worsens the aggravation causing water resources crisis, shortage of water resources is one of main Environmental Problems becoming the world today.The fundamental realities of the country regimen that the many water of people is few, water resources spatial and temporal distributions inequality is China.Along with the fast development of China's economy, the water resources severe contamination problem occurred, exacerbates the bottleneck that shortage of water resources becomes restriction regional economy and social development further.
The treatment process of sewage has chemical oxidization method, biochemical process, absorption, flocculent precipitation etc.Flocculation wastewater processing technology is the economy, the easy water technology that generally adopt both at home and abroad at present, and it is widely used in industrial and agricultural wastewater process.Be characterized in that technique is simple, initial cost is few, and the treatment time is short.Critical role is occupied at flocculants in water treatment at flocculence.
Along with industrial expansion, the increase of sewage quantity, the demand of wadding agent also increases severely with day.The flocculation agent of current use is produced mainly through chemical method, and energy consumption is higher, and the enterprise producing flocculation agent has manufactured pollution simultaneously, in addition the problem such as transport of flocculation agent, and cause flocculation agent price more expensive, enterprise is difficult to bear.
Summary of the invention
The present invention produces mainly through chemical method to solve the flocculation agent used in current sewage flocculation treatment, energy consumption is higher, and produce in the process of flocculation agent problem, the sewage flocculation treatment device that the invention provides a kind of floatation type and the energy storage method adopting this device to realize that the flocculation agent device producing pollution and existing generation cannot carry out power storage.
A sewage flocculation treatment device for floatation type, it comprises negative electrode, anode, floating block, gate-controlled switch, controller and water quality sensor;
Described negative electrode is flat structure, and flat structure is divided into three layers, is respectively upper strata, middle layer and lower floor from top to bottom, and wherein, the upper and lower adopt activity charcoal powder to mix with binding agent and realize, and middle layer adopts stainless (steel) wire or carbon cloth to realize,
Anode is rectangular blocks, and anode adopts aluminium alloy, and iron alloy or ferroaluminium realize,
Negative electrode and anode are oppositely arranged, and negative electrode is positioned at above negative electrode, and floating block is fixed on the sidewall of negative electrode,
The data signal output of water quality sensor is connected with the data signal input of controller, and the control signal output terminal of controller is connected with the control end of gate-controlled switch, and one end of gate-controlled switch is connected with anode, and the other end of gate-controlled switch is connected with negative electrode.
The sewage flocculation treatment device of described a kind of floatation type, it also comprises electrical energy recovery device, electrical energy recovery device is between negative electrode and the other end of gate-controlled switch, and the positive pole of electrical energy recovery device is connected with the other end of gate-controlled switch, and the negative pole of electrical energy recovery device is connected with negative electrode.
Described floating block adopts foam or hollow plastics to realize.
Described water quality sensor is turbidity transducer or soda acid sensor.
Described gate-controlled switch is Mgs.
Adopt the energy storage method that a kind of sewage flocculation treatment device of floatation type realizes, the method comprises the steps:
Step one: make gate-controlled switch be in off-state, places the sewage flocculation treatment device of floatation type in aqueous, and the upper surface of negative electrode is exposed in atmosphere;
Step 2: the threshold value of setting controller, when the data of water quality sensor collection are greater than the threshold value set in controller, controller sends control signal makes gate-controlled switch close, thus makes negative electrode and anode be in conducting state,
Anode and water generation oxidizing reaction produce electronics and flocculation agent, negative electrode collects the electronics from anode by electrical energy recovery device, oxygen in the electron reduction air that cathode interlayer is collected generates water, and the movement of the electronics that anode produces realizes the storage of electrical energy recovery device to electric energy.
Principle analysis:
Water quality sensor detects that water quality exceedes established standards, as turbidity exceeds standard, control gate-controlled switch is connected, cathode and anode is connected by wire junction circuit, produces voltage between anode and cathode, exports electric energy, voltage is improved by boost module by electrical energy recovery device, start to reclaim electrical power storage in can in charge-discharge battery, the electric energy of recovery can be water quality sensor and powers, more than electric energy can reclaim use.
After circuit ON, anode generation oxidizing reaction, the aluminium alloy plate of anode or iron alloy plate and water react and generate the flocculant material such as aluminium hydroxide or ferrous hydroxide, are put in water body, contaminants precipitation caught by flocculation agent, thus reaches the object removing pollutent.The electronics discharged in anodic oxidation reactions arrives negative electrode by Circuits System, and the proton of release arrives negative electrode by electric field action in the solution.
After circuit ON, negative electrode generation reduction reaction, the electronics from anode collected by the stainless (steel) wire of cathode interlayer or carbon cloth, and the oxygen in the active carbon layer of negative electrode in reducing atmosphere generates water.
After pollutent flocculation sediment in water terminates, water quality sensor detects and meets established standards, and controller controls gate-controlled switch and disconnects, and prompting sewage disposal terminates, and reduces anode loss, reduces costs.
The beneficial effect that the present invention brings is, apparatus of the present invention are in the process of application, without the need to consuming electric energy, the present invention simultaneously or a kind of wastewater treatment equipment simultaneously producing electric energy and flocculation agent, compared with traditional flocculence wastewater treatment, this technology can the active higher coagulating agent of in-situ preparation, avoids adding the secondary pollution that chemical coagulator brings, can also save the expenses such as the storage required for coagulating agent, mixing and transport.The sewage flocculation treatment device of a kind of floatation type of the present invention and the energy storage method adopting this device to realize, easy to operate, Non-energy-consumption and efficiency is high, described apparatus structure is simple, is convenient to actual production and use.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the sewage flocculation treatment device of a kind of floatation type of sewage flocculation treatment device of a kind of floatation type of the present invention.
Embodiment
Embodiment one: present embodiment is described see Fig. 1, the sewage flocculation treatment device of a kind of floatation type described in present embodiment, it comprises negative electrode 1, anode 2, floating block 3, gate-controlled switch 4, controller 5 and water quality sensor 6;
Described negative electrode 1 is flat structure, and flat structure is divided into three layers, is respectively upper strata, middle layer and lower floor from top to bottom, and wherein, the upper and lower adopt activity charcoal powder to mix with binding agent and realize, and middle layer adopts stainless (steel) wire or carbon cloth to realize,
Anode 2 is rectangular blocks, adopts alloy material to make,
Negative electrode 1 and anode 2 are oppositely arranged, and negative electrode 1 is positioned at above negative electrode 1, and floating block 3 is fixed on the sidewall of negative electrode 1,
The data signal output of water quality sensor 6 is connected with the data signal input of controller 5, the control signal output terminal of controller 5 is connected with the control end of gate-controlled switch 4, one end of gate-controlled switch 4 is connected with anode 2, and the other end of gate-controlled switch 4 is connected with negative electrode 1.
In present embodiment, the upper and lower of negative electrode 1 are all absorbent material layers, and its function is that catalytic oxygen reduction generates water, and the middle layer function of negative electrode 1 is for supporting and electric action, and three-decker is closely pressed together on and forms negative electrode 1 together.
Anode 2 adopts alloy material to make, and alloy material contributes to reducing anode material from corrosion reaction, reduces costs.
Negative electrode 1 surrounding is fixed with floating block by bolt or binding, and ensure that negative electrode 1 plane is a little more than horizontal plane, negative electrode upper strata contacts with air, and middle layer and lower floor's water absorbent portion of negative electrode 1 are positioned at below horizontal plane, contact with solution.
(1) when positive plate 1 is the anode of ferroalloy materials, the electrode reaction that iron alloy anode material occurs is respectively:
The reaction that negative electrode occurs is: O
2+ H
++ e
-→ H
2o
The reaction that anode occurs is: Fe+H
2o → Fe (OH)
2+ H
++ e
-
The Fe (OH) of anode release
2flocculation agent is discharged in solution, and the pollutent of catching in water body forms flco, last settlement separate removal.
Part Fe (OH)
2be oxidized by oxygen and generate Fe (OH)
3flocculation agent, forms composite flocculation agent, improves the removal effect of pollutent.
Air cathode Catalytic Layer can discharge a small amount of H in water body
2o
2, with Fe in solution
2+and O
2generate hydroxyl radical free radical, have certain Degradation to the pollutent in sewage, improve removal effect.
(2) when positive plate 1 is the anode of aluminum alloy materials, the electrode reaction that aluminum alloy materials anode occurs is respectively:
The reaction that negative electrode occurs is: O
2+ H
++ e
-→ H
2o
The reaction that anode occurs is: Al+H
2o → Al (OH)
3+ H
++ e
-
The Al (OH) of anode release
3flocculation agent is discharged in solution, and the pollutent of catching in water body forms flco, last settlement separate removal.
(3) when positive plate 1 is ferro-aluminium matrix material:
The reaction that negative electrode occurs is: O
2+ H
++ e
-→ H
2o
The reaction that anode occurs is: Fe+Al+H
2o → Fe (OH)
2+ Al (OH)
3+ H
++ e
-
The Al (OH) of anode release
3with Fe (OH)
2flocculation agent is discharged in solution, part Fe (OH)
2be oxidized by oxygen and generate Fe (OH)
3flocculation agent, forms composite flocculation agent, and the pollutent of catching in water body forms flco, last settlement separate removal, improves the removal effect of pollutent.
Embodiment two: present embodiment is described see Fig. 1, the difference of the sewage flocculation treatment device of present embodiment and a kind of floatation type described in embodiment one is, it also comprises electrical energy recovery device 7, electrical energy recovery device 7 is between negative electrode 1 and the other end of gate-controlled switch 4, and the positive pole of electrical energy recovery device 7 is connected with the other end of gate-controlled switch 4, the negative pole of electrical energy recovery device 7 is connected with negative electrode 1.
In present embodiment, the electric energy of generation, except not consuming except electric energy, can also also store by electrical energy recovery device 7 by the sewage flocculation treatment device of a kind of floatation type of the present invention.
Embodiment three: the difference of the sewage flocculation treatment device of present embodiment and a kind of floatation type described in embodiment one is, described floating block 3 adopts foam or hollow plastics to realize.
Embodiment four: the difference of the sewage flocculation treatment device of present embodiment and a kind of floatation type described in embodiment one is, described water quality sensor 6 is turbidity transducer or soda acid sensor.
Embodiment five: the difference of the sewage flocculation treatment device of present embodiment and a kind of floatation type described in embodiment one is, described gate-controlled switch 4 is Mgs.
Embodiment six: adopt the energy storage method that the sewage flocculation treatment device of a kind of floatation type described in embodiment two realizes, the method comprises the steps:
Step one: make gate-controlled switch 4 be in off-state, places the sewage flocculation treatment device of floatation type in aqueous, and the upper surface of negative electrode 1 is exposed in atmosphere;
Step 2: the threshold value of setting controller 5, when the data that water quality sensor 6 gathers are greater than the threshold value of setting in controller 5, controller 5 sends control signal makes gate-controlled switch 4 close, thus makes negative electrode 1 and anode 2 be in conducting state,
Anode 2 and water generation oxidizing reaction produce electronics and flocculation agent, negative electrode 1 collects the electronics from anode 2 by electrical energy recovery device 7, oxygen in the electron reduction air that negative electrode 1 middle layer is collected generates water, and the movement of the electronics that anode 2 produces realizes the storage of electrical energy recovery device 7 pairs of electric energy.
Present embodiment, the pollutent precipitation that the flocculation agent that anode produces is caught in waste water is removed, and reaches the object of wastewater treatment.
Claims (6)
1. the sewage flocculation treatment device of a floatation type, it is characterized in that, it comprises negative electrode (1), anode (2), floating block (3), gate-controlled switch (4), controller (5) and water quality sensor (6);
Described negative electrode (1) is flat structure, and flat structure is divided into three layers, is respectively upper strata, middle layer and lower floor from top to bottom, wherein, the upper and lower adopt activity charcoal powder to mix with binding agent and realize, and middle layer adopts stainless (steel) wire or carbon cloth to realize
Anode (2) is rectangular blocks, and anode (2) adopts aluminium alloy, and iron alloy or ferroaluminium realize,
Negative electrode (1) and anode (2) are oppositely arranged, and negative electrode (1) is positioned at negative electrode (1) top, and floating block (3) is fixed on the sidewall of negative electrode (1),
The data signal output of water quality sensor (6) is connected with the data signal input of controller (5), the control signal output terminal of controller (5) is connected with the control end of gate-controlled switch (4), one end of gate-controlled switch (4) is connected with anode (2), and the other end of gate-controlled switch (4) is connected with negative electrode (1).
2. the sewage flocculation treatment device of a kind of floatation type according to claim 1, it is characterized in that, it also comprises electrical energy recovery device (7), electrical energy recovery device (7) is positioned between the other end of negative electrode (1) and gate-controlled switch (4), and the positive pole of electrical energy recovery device (7) is connected with the other end of gate-controlled switch (4), the negative pole of electrical energy recovery device (7) is connected with negative electrode (1).
3. the sewage flocculation treatment device of a kind of floatation type according to claim 1, is characterized in that, described floating block (3) adopts foam or hollow plastics to realize.
4. the sewage flocculation treatment device of a kind of floatation type according to claim 1, is characterized in that, described water quality sensor (6) is turbidity transducer or soda acid sensor.
5. the sewage flocculation treatment device of a kind of floatation type according to claim 1, is characterized in that, described gate-controlled switch (4) is Mgs.
6. adopt the energy storage method that the sewage flocculation treatment device of a kind of floatation type according to claim 2 realizes, it is characterized in that, the method comprises the steps:
Step one: make gate-controlled switch (4) be in off-state, places the sewage flocculation treatment device of floatation type in aqueous, and the upper surface of negative electrode (1) is exposed in atmosphere;
Step 2: the threshold value of setting controller (5), when the data that water quality sensor (6) gathers are greater than the threshold value of setting in controller (5), controller (5) sends control signal makes gate-controlled switch (4) close, thus make negative electrode (1) and anode (2) be in conducting state
Anode (2) and water generation oxidizing reaction produce electronics and flocculation agent, negative electrode (1) collects the electronics from anode (2) by electrical energy recovery device (7), oxygen in the electron reduction air that negative electrode (1) middle layer is collected generates water, and the movement of the electronics that anode (2) produces realizes electrical energy recovery device (7) to the storage of electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511018253.2A CN105417642A (en) | 2015-12-29 | 2015-12-29 | Floating type sewage flocculation processing device and energy storage method by adopting same |
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|---|---|---|---|
| CN201511018253.2A CN105417642A (en) | 2015-12-29 | 2015-12-29 | Floating type sewage flocculation processing device and energy storage method by adopting same |
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| CN201511018253.2A Pending CN105417642A (en) | 2015-12-29 | 2015-12-29 | Floating type sewage flocculation processing device and energy storage method by adopting same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319890A (en) * | 2018-11-09 | 2019-02-12 | 济南大学 | A kind of mobile water body purification device |
| CN110357218A (en) * | 2019-06-26 | 2019-10-22 | 河海大学 | A kind of high-turbidity water pretreatment and synchronous device for generating electric energy |
| CN110467242A (en) * | 2019-07-30 | 2019-11-19 | 河海大学 | A kind of pretreatment of high-turbidity water original position and synchronous device for generating electric energy |
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| CN103896371A (en) * | 2014-03-24 | 2014-07-02 | 浙江大学 | Electrochemical flocculation method and device capable of producing electricity |
| CN104176836A (en) * | 2014-09-12 | 2014-12-03 | 哈尔滨工业大学 | Microorganism electrochemical device for in-situ remediation of polluted water and bottom mud and method for in-situ remediation of polluted water and bottom mud |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109319890A (en) * | 2018-11-09 | 2019-02-12 | 济南大学 | A kind of mobile water body purification device |
| CN109319890B (en) * | 2018-11-09 | 2021-10-01 | 济南大学 | Movable water body purification device |
| CN110357218A (en) * | 2019-06-26 | 2019-10-22 | 河海大学 | A kind of high-turbidity water pretreatment and synchronous device for generating electric energy |
| CN110467242A (en) * | 2019-07-30 | 2019-11-19 | 河海大学 | A kind of pretreatment of high-turbidity water original position and synchronous device for generating electric energy |
| CN110467242B (en) * | 2019-07-30 | 2022-04-26 | 河海大学 | High-turbidity waste water in-situ pretreatment and synchronous electric energy generation device |
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Application publication date: 20160323 |
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