CN212050660U - High concentration organic waste water's processing apparatus - Google Patents
High concentration organic waste water's processing apparatus Download PDFInfo
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- CN212050660U CN212050660U CN202020223035.2U CN202020223035U CN212050660U CN 212050660 U CN212050660 U CN 212050660U CN 202020223035 U CN202020223035 U CN 202020223035U CN 212050660 U CN212050660 U CN 212050660U
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Abstract
The utility model discloses a treatment device of high-concentration organic wastewater, which comprises an electrolytic barrel, wherein the side wall of the electrolytic barrel is hollow, the bottom of the electrolytic barrel is provided with a left water inlet and a right water inlet, and the upper part of the electrolytic barrel is provided with a left water outlet and a right water outlet; the upper part of the electrolytic barrel is provided with a cover plate, the cover plate is provided with an air outlet hole and is connected with a gas washing bottle through an air outlet pipe; an inert anode material electrode bar is inserted into the middle of the cover plate and is inserted into the electrolytic barrel. The utility model discloses a hydroxyl free radical that the electrolysis produced is carried out to inert anode material electrode bar decomposes organic waste water, can carry out series free radical chain reaction with organic pollutant to destroy its structure, make its gradual degradation be harmless low molecular weight's organic matter, degrade into CO2, H2O and other mineral salts at last, realize high efficiency processing.
Description
Technical Field
The utility model relates to an environmental protection water treatment facilities especially relates to a high concentration organic waste water's processing apparatus.
Background
Inert anode materials refer to anode materials that are not susceptible to electron loss and generally do not react with the electrolyte. The anode does not generate anodic dissolution during anodic polarization, can resist electrochemical oxidation, is stable to nascent oxygen on the electrode, and does not generate an oxide film. The common inert anode material at present is NiFe2O4、SnO2Cu-Al alloy, Fe-Cu-Ni alloy, boron-doped diamond film, titanium iridium ruthenium alloy, platinum titanium alloy and the like. The application prospect of the inert anode material is very attractive, and the research and innovation of the inert anode material can promote the rapid development of the fields of electrolytic aluminum industry, organic wastewater treatment and the like.
The oxidation potential of the hydroxyl radical reaches 2.80V, except F2Except for the oxidant with the highest oxidizing ability, the oxidant can carry out a series of free radical chain reactions with organic pollutants, thereby destroying the structure of the organic pollutants, gradually degrading the organic matters into harmless low molecular weight organic matters and finally degrading the organic matters into CO2、H2O and other mineral salts. The hydroxyl free radical can effectively decompose refractory toxic organic pollutants until completely converted into harmless inorganic substances, such as CO2、N2、SO4 2-、PO4 3-、O2、H2O, etc., which is difficult to achieve by other oxidation methods without secondary pollution.
The high-concentration organic wastewater mainly has the following characteristics: one is high organic concentration. COD is generally above 2000mg/L, some of the COD is even as high as tens of thousands or even hundreds of thousands mg/L, and relatively speaking, BOD is lower, and the ratio of BOD to COD of the multi-root wastewater is less than 0.3. Secondly, the components are complex. The organic matters in the waste water containing toxic substances are aromatic compounds and heterocyclic compounds, and also contain sulfides, nitrides, heavy metals and toxic organic matters. Thirdly, the color is high and the odor is generated. Some waste water emits pungent and foul odor, which causes adverse effects on the surrounding environment. Fourthly, the organic wastewater has strong acidity and basicity, and the industrially generated ultrahigh-concentration organic wastewater has a lot of acids and alkalis and often has strong acidity or basicity.
The harm of high-concentration organic wastewater is mainly as follows: firstly, the oxygen hazard: due to biodegradation, high-concentration organic wastewater can cause oxygen deficiency and even anaerobic reaction of a receiving water body, most aquatic organisms die, so that stink is generated, and the water quality and the environment are deteriorated. Secondly, the high-concentration organic wastewater causes the water to lose use value and seriously affects the normal life of people nearby the water. Thirdly, toxic hazard: the organic wastewater with ultrahigh concentration contains a large amount of toxic organic matters, which can be continuously accumulated and stored in natural environments such as water, soil and the like, and finally enter human bodies to harm human health.
The existing treatment method of high-concentration organic wastewater is mainly characterized by comprising the following steps: the method comprises the following steps of firstly, physical methods including an adsorption method, an air floatation method, a membrane filtration method and the like, but the physical methods have the defects of incomplete treatment and recovery effect, high equipment investment cost, secondary pollution and the like; secondly, biological methods comprise aerobic biological methods, anaerobic biological treatment, anaerobic-aerobic biological treatment and the like, but have the problems of long debugging time, untimely emergency treatment, obvious treatment effect and the like; and thirdly, chemical methods including a chemical precipitation method, an advanced oxidation method and the like, wherein the chemical precipitation method needs to add a precipitator, an oxidant and the like, and secondary pollution exists. The disposal method of the patent adopts the strong oxidizing property of hydroxyl free radicals to decompose organic matters, and can thoroughly degrade the organic matters into CO2、H2O and other mineral salts, and no other oxidant is needed to be added, so that no secondary pollution exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a effectual processing apparatus of high concentration organic waste water realizes high-efficient processing high concentration organic waste water through the electrolysis method.
The technical solution of the utility model is that:
a treatment device for high-concentration organic wastewater comprises an electrolytic barrel, wherein the side wall of the electrolytic barrel is hollow, the bottom of the electrolytic barrel is provided with a left water inlet and a right water inlet, and the upper part of the electrolytic barrel is provided with a left water outlet and a right water outlet; the upper part of the electrolytic barrel is provided with a cover plate, the cover plate is provided with an air outlet hole and is connected with a gas washing bottle through an air outlet pipe; an inert anode material electrode bar is inserted into the middle of the cover plate and is inserted into the electrolytic barrel.
The inert anode material is one of boron-doped diamond, titanium iridium ruthenium alloy and platinum titanium alloy; the oxidant can be generated by electrolysis to be hydroxyl free radical, and the organic components in the organic wastewater can be efficiently oxidized and degraded to be completely decomposed into CO2And H2O, achieving harmless disposal target
Preferably, the ratio of the height to the diameter of the electrolytic tank is 3: 1-5: 1.
preferably, the material of the electrolytic tank is one of epoxy resin, PEEK coating, polytetrafluoroethylene, polyvinylidene fluoride, PE, PET and PPS.
The utility model has the advantages that the device can efficiently treat high-concentration organic wastewater with COD value of hundreds of thousands or even hundreds of thousands generated by medicine, petrochemical industry, garbage disposal stations and the like; hydroxyl radicals generated after electrode oxidation is carried out on an inert anode material electrode bar are used for decomposing organic matters and can carry out series of radical chain reactions with organic pollutants, so that the structure of the organic pollutants is damaged, the organic matters are gradually degraded into harmless low-molecular-weight organic matters and finally are degraded into CO2、H2O and other mineral salts. The COD value can reach the emission standard below 250 mg/L; the SS value is reduced to the third-level emission standard of 30/30, and the B/C can be obviously improved to reach the level of 0.35-0.47.
The electrolytic barrel side wall of the device is hollow, a water inlet and a water outlet are arranged, and heat generated by electrolysis is condensed and exchanged through water flow circulation, so that the phenomenon that the electrolytic temperature in the electrolytic barrel is too high to cause volatilization and overflow of untreated organic components is avoided. The electrolysis bucket passes through apron venthole and connects outlet duct and gas washing bottle, can handle the waste gas that the electrolysis bucket produced, avoids harmful gas to discharge the atmosphere, avoids the too big reaction pressure in the electrolysis bucket simultaneously, damages the device. Meanwhile, the device is simple and efficient, obvious in effect and low in cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a left water outlet; 2. a condensed water zone; 3. a left water inlet; 4. an air outlet; 5. a right water inlet; 6. an electrolytic tank; 7. a right water outlet; 8. a cover plate; 9. an electrode rod; 10. an air outlet pipe; 11. and (5) a gas washing bottle.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1, a treatment device for high-concentration organic wastewater comprises an electrolytic barrel 6, wherein the side wall of the electrolytic barrel 6 is hollow, the lower part of the electrolytic barrel is provided with a left water inlet 3 and a right water inlet 4, and the upper part of the electrolytic barrel is provided with a left water outlet 1 and a right water outlet 7; the upper part of the electrolytic barrel 6 is provided with a cover plate 8, the cover plate 8 is provided with an air outlet hole 4, and the cover plate 8 is connected with a gas washing bottle 11 through an air outlet pipe 10; an inert anode material electrode bar 9 is inserted into the electrolytic barrel 6 in the middle of the cover plate 44.
The inert anode material is one of boron-doped diamond, titanium iridium ruthenium alloy and platinum titanium alloy; the oxidant can be generated by electrolysis to be hydroxyl free radical, and the organic components in the organic wastewater can be efficiently oxidized and degraded to be completely decomposed into CO2And H2O, realizing harmless disposal; the height-to-diameter ratio of the electrolytic tank 6 is 3: 1-5: 1; the material of the electrolytic barrel 6 adopts one of epoxy resin, PEEK coating, polytetrafluoroethylene, polyvinylidene fluoride, PE, PET and PPS.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a processing apparatus of high concentration organic waste water which characterized in that: comprises an electrolytic barrel, wherein the side wall of the electrolytic barrel is hollow, the bottom of the electrolytic barrel is provided with a left water inlet and a right water inlet, and the upper part of the electrolytic barrel is provided with a left water outlet and a right water outlet; the upper part of the electrolytic barrel is provided with a cover plate, the cover plate is provided with an air outlet hole and is connected with a gas washing bottle through an air outlet pipe; an inert anode material electrode bar is inserted into the middle of the cover plate and is inserted into the electrolytic barrel.
2. The apparatus for treating high concentration organic wastewater according to claim 1, wherein: the inert anode material is one of boron-doped diamond, titanium iridium ruthenium alloy and platinum titanium alloy.
3. The apparatus for treating high concentration organic wastewater according to claim 1, wherein: the height to diameter ratio of the electrolytic barrel is 3: 1-5: 1.
4. the apparatus for treating high concentration organic wastewater according to claim 1, wherein: the material of the electrolytic barrel adopts one of epoxy resin, PEEK coating, polytetrafluoroethylene, polyvinylidene fluoride, PE, PET and PPS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223035.2U CN212050660U (en) | 2020-02-28 | 2020-02-28 | High concentration organic waste water's processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020223035.2U CN212050660U (en) | 2020-02-28 | 2020-02-28 | High concentration organic waste water's processing apparatus |
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| Publication Number | Publication Date |
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| CN212050660U true CN212050660U (en) | 2020-12-01 |
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| CN202020223035.2U Active CN212050660U (en) | 2020-02-28 | 2020-02-28 | High concentration organic waste water's processing apparatus |
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| CN (1) | CN212050660U (en) |
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2020
- 2020-02-28 CN CN202020223035.2U patent/CN212050660U/en active Active
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