CN213326857U - Airlift fluidized bed micro-electrolysis reaction device - Google Patents
Airlift fluidized bed micro-electrolysis reaction device Download PDFInfo
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- CN213326857U CN213326857U CN202021441577.3U CN202021441577U CN213326857U CN 213326857 U CN213326857 U CN 213326857U CN 202021441577 U CN202021441577 U CN 202021441577U CN 213326857 U CN213326857 U CN 213326857U
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Abstract
The utility model discloses a little electrolysis reaction unit of air-lift formula fluidized bed has solved the hardening of iron fillings among the prior art, iron fillings and carbon dust granule loss easily, the problem of cleaing away of reaction iron mud waste residue. The device includes reactor, solid-liquid separator, slag-off valve, the reactor top is equipped with the water inlet, and the inlet tube stretches into the center tube of intaking in the reactor through the water inlet, the center tube bottom of intaking is equipped with the water knockout drum, and the reactor is equipped with two-layer little electrolysis iron carbon filler, and reactor side lower part is equipped with the air inlet, and the intake pipe is passed through the air inlet by the air-blower and is blown air to the reactor, and the reactor lower part is equipped with the aeration pipe, aeration pipe and intake pipe intercommunication, reactor side upper portion are equipped with the delivery port, and the outlet pipe is connected with solid-liquid separator, retrieves iron fillings and carbon dust granule through solid-liquid separator, sets up slag discharge mouth and slag-off valve.
Description
Technical Field
The utility model relates to an iron-carbon micro-electrolysis technical field, in particular to a gas-lift fluidized bed micro-electrolysis reaction device.
Background
The treatment of high-concentration refractory organic wastewater is a problem recognized by the national and international environmental protection field at present, the high concentration refers to wastewater with COD more than 2000mg/l, the refractory wastewater generally refers to the BOD5/COD value below 0.3 and has low biodegradability, and the wastewater is generally required to be pretreated and then subjected to biodegradation. The existing pretreatment methods comprise coagulating sedimentation or coagulating air floatation methods, chemical oxidation methods, electrochemical oxidation methods, iron-carbon micro-electrolysis methods, photocatalytic oxidation methods and the like, wherein the iron-carbon micro-electrolysis is an ideal process for treating high-concentration organic wastewater difficult to degrade at present and is also called as internal electrolysis. The micro-electrolysis filler can generate 1.2V potential difference to carry out electrolysis treatment on the wastewater under the condition of no need of an external power supply, thereby achieving the purpose of degrading organic pollution. After the system is electrified, countless primary battery systems in the device form a magnetic field to generate potential differences to form micro-current.
The iron-carbon filler micro-electrolysis technology is characterized in that: the method has the advantages of high reaction rate, wide range of organic pollutants, simple process flow, long service life, low investment cost, convenient operation and maintenance, low operation cost and stable treatment effect. Only a small amount of micro-electrolysis reactants are consumed in the treatment process. The micro-electrolysis agent only needs to be added periodically without replacement, and the micro-electrolysis agent can be added without direct input of activation. The iron-carbon micro-electrolysis process is widely applied to industrial wastewater treatment, but the problem of filler hardening and passivation exists in the practical process, so that the continuity of the treatment efficiency of the process is restricted. Micro-electrolysis mostly adopts a fixed iron-carbon bed process, and the hardening of the iron-carbon bed is a very headache problem. The micro-electrolysis reactor of the fluidized bed also has a plurality of problems, such as the easy loss of scrap iron and carbon powder particles and the removal of reaction iron mud waste residue.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a little electrolysis reaction unit of air-lift formula fluidized bed to solving hardening of iron fillings among the prior art, iron fillings and carbon dust granule run off, the problem of cleaing away of reaction iron mud waste residue guarantees going on fully of little electrolysis reaction.
In order to achieve the above object, the utility model provides a following technical scheme:
an airlift fluidized bed micro-electrolysis reaction device solves the problems of hardening of scrap iron, easy loss of scrap iron and carbon powder particles and removal of reaction iron mud waste residues in the prior art. The device includes reactor, solid-liquid separator, slag-off valve, the reactor top is equipped with the water inlet, and the inlet tube stretches into the center tube of intaking in the reactor through the water inlet, the center tube bottom of intaking is equipped with the water knockout drum, and the reactor is equipped with two-layer little electrolysis iron carbon filler, and reactor side lower part is equipped with the air inlet, and the intake pipe is passed through the air inlet by the air-blower and is blown air to the reactor, and the reactor lower part is equipped with the aeration pipe, aeration pipe and intake pipe intercommunication, reactor side upper portion are equipped with the delivery port, and the outlet pipe is connected with solid-liquid separator, retrieves iron fillings and carbon dust granule through solid-liquid separator, sets up slag discharge mouth and slag-off valve.
Furthermore, a regulating valve is arranged on the water inlet pipe.
Further, the micro-electrolysis iron-carbon filler is supported by a reactor pore plate.
Furthermore, the air inlet pipe is provided with an adjusting valve, the air inlet pipe is communicated with the aeration pipe, and small air holes are uniformly formed in the upper portion of the aeration pipe to generate air bubbles.
Furthermore, the solid-liquid separator adopts a cyclone separator, the upper part of the solid-liquid separator is cylindrical, and the lower part of the solid-liquid separator is conical.
Furthermore, the solid-liquid separator is provided with a liquid phase inlet, an outlet and a solid phase outlet, wherein a liquid phase enters along the tangential direction, the liquid phase outlet is positioned at the lower part of the liquid phase inlet, and the solid phase outlet is positioned at the lower part of the cone.
Compared with the prior art, the beneficial effects of the utility model are that: the top of the micro-electrolysis reactor is provided with a water inlet, a water inlet pipe extends into a water inlet central pipe in the reactor through the water inlet, the bottom of the water inlet central pipe is provided with a water separator, the reactor is provided with two layers of micro-electrolysis iron-carbon fillers, the lower part of the side surface of the reactor is provided with an air inlet, the air inlet pipe blows air to the reactor through the air inlet by an air blower, an adjusting valve is arranged on the air inlet pipe, the lower part of the reactor is provided with an aeration pipe, the aeration pipe is communicated with the air inlet pipe, the upper part of the aeration pipe is uniformly provided with small air holes for generating air bubbles, and the density difference is generated by upward movement of the small air bubbles to drive; the upper part of the side surface of the reactor is provided with a water outlet, a water outlet pipe is connected with a solid-liquid separator, the solid-liquid separator adopts a cyclone separator, the upper part is cylindrical, the lower part is conical, a liquid phase enters along the tangential direction, scrap iron and carbon powder are thrown to the wall of the reactor under the action of spiral centrifugal force and fall to the bottom of the cone along the wall of the reactor under the action of gravity, and the scrap iron and the carbon powder particles are periodically recovered; the bottom of the reactor is provided with a slag discharge port and a slag discharge valve to remove the reaction iron mud waste slag in time.
Drawings
FIG. 1 is a schematic structural diagram of an airlift fluidized bed microelectrolysis reaction device.
In the figure: 1-reactor, 2-water inlet central pipe, 3-micro-electrolysis filler, 4-pore plate support, 5-water inlet, 6-water inlet pipe, 7-regulating valve, 8-water outlet, 9-solid-liquid separator, 91-liquid phase inlet, 92-liquid phase outlet, 93-solid phase outlet, 10-water outlet pipe, 11-recycling bin, 12-air inlet, 13-air inlet pipe, 14-water distributor, 15-aeration pipe, 16-slag outlet and 17-slag discharge valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a gas-lift fluidized bed micro-electrolysis reactor comprises a reactor 1, a solid-liquid separator 9, a slag discharge valve 17, the top of the reactor 1 is provided with a water inlet 5, a water inlet pipe 6 extends into the water inlet central pipe 2 in the reactor 1 through the water inlet 5, the bottom of the water inlet central pipe 2 is provided with a water separator 14, the reactor 1 is provided with two layers of micro-electrolysis iron carbon fillers 3, the lower part of the side surface of the reactor 1 is provided with an air inlet 12, an air inlet pipe 13 blows air to the reactor 1 through the air inlet 12 by an air blower, the lower part of the reactor 1 is provided with an aeration pipe 15, the aeration pipe 15 is communicated with an air inlet pipe 13, the upper part of the side surface of the reactor 1 is provided with a water outlet 8, a water outlet pipe 10 is connected with a solid-liquid separator 9, scrap iron and carbon powder particles are recycled through the solid-liquid separator 9, the bottom of the reactor 1 is provided with a slag discharge port 16 and a slag discharge valve 17 for timely removing the reaction iron mud waste slag.
In the embodiment, the water inlet pipe 6 is provided with a regulating valve 7.
In the example, the micro-electrolysis iron carbon packing 3 is supported by a reactor orifice plate 4.
In the embodiment, the air inlet pipe 13 is provided with the regulating valve 7, the air inlet pipe 13 is communicated with the aeration pipe 15, and small air holes are uniformly formed in the upper part of the aeration pipe 15 to generate air bubbles.
In the embodiment, the solid-liquid separator 9 is a cyclone separator, and the upper part is cylindrical and the lower part is conical.
In an embodiment, the solid-liquid separator 9 is provided with a liquid phase inlet 91, a liquid phase outlet 92 and a solid phase outlet 93, wherein the liquid phase enters in a tangential direction, the liquid phase outlet 92 is located at the lower part of the liquid phase inlet 91, and the solid phase outlet 93 is located at the lower part of the cone.
The utility model discloses a theory of operation is: the top of the micro-electrolysis reactor 1 is provided with a water inlet 5, a water inlet pipe 6 extends into a water inlet central pipe 2 in the reactor 1 through the water inlet 5, the bottom of the water inlet central pipe 2 is provided with a water separator 14, the reactor 1 is provided with two layers of micro-electrolysis iron-carbon fillers 3, the micro-electrolysis iron-carbon fillers 3 are supported by a reactor pore plate 4, the lower part of the side surface of the reactor 1 is provided with an air inlet 12, an air inlet pipe 13 blows air to the reactor 1 through the air inlet 12 by an air blower, the air inlet pipe 13 is provided with an adjusting valve 7, the lower part of the reactor 1 is provided with an aerator pipe 15, the aerator pipe 15 is communicated with the air inlet pipe 13, the upper part of the aerator pipe 15 is uniformly provided with small air holes to generate bubbles, and the density difference is generated by the upward movement of the small bubbles to; the upper part of the side surface of the reactor 1 is provided with a water outlet 8, a water outlet pipe 10 is connected with a solid-liquid separator 9, the solid-liquid separator 9 adopts a cyclone separator, the upper part is cylindrical, the lower part is conical, a liquid phase enters along the tangential direction, iron chips and carbon powder are thrown to the wall of the reactor under the action of spiral centrifugal force and fall to the bottom of the cone along the wall of the reactor under the action of gravity, and the iron chips and the carbon powder particles are periodically recovered through a recovery barrel 11; the bottom of the reactor 1 is provided with a slag discharge port 16 and a slag discharge valve 17 for timely removing the reaction iron mud waste slag.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a little electrolytic reaction device of gas lift formula fluidized bed, characterized by the device include reactor, solid-liquid separator, slag discharge valve, the reactor top is equipped with the water inlet, and the inlet tube stretches into the center tube of intaking in the reactor through the water inlet, the center tube bottom of intaking is equipped with the water knockout drum, and the reactor is equipped with two-layer little electrolytic iron carbon filler, and reactor side lower part is equipped with the air inlet, and the intake pipe is passed through the air inlet by the air-blower and is filled the air to the reactor, and the reactor lower part is equipped with the aeration pipe, aeration pipe and intake pipe intercommunication, reactor side upper portion are equipped with the delivery port, and the outlet pipe is connected with solid-liquid separator, retrieves iron fillings and carbon dust granule through solid-liquid separator, sets up slag discharge.
2. The apparatus according to claim 1, wherein the inlet pipe is provided with a regulating valve.
3. The airlift fluidized bed microelectrolysis reactor apparatus of claim 1, wherein the microelectrolytic iron carbon packing is supported by a reactor orifice plate.
4. The micro-electrolysis reaction device of the gas-lift fluidized bed according to claim 1, wherein the air inlet pipe is provided with an adjusting valve, the air inlet pipe is communicated with the aeration pipe, and the upper part of the aeration pipe is uniformly provided with small air holes for generating air bubbles.
5. The apparatus according to claim 1, wherein the solid-liquid separator is a cyclone separator, and the upper portion of the solid-liquid separator is cylindrical and the lower portion of the solid-liquid separator is conical.
6. The apparatus according to claim 1, wherein the solid-liquid separator is provided with a liquid inlet, a liquid outlet and a solid outlet, the liquid enters in a tangential direction, the liquid outlet is located at a lower portion of the liquid inlet, and the solid outlet is located at a lower portion of the cone.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021441577.3U CN213326857U (en) | 2020-07-21 | 2020-07-21 | Airlift fluidized bed micro-electrolysis reaction device |
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| CN202021441577.3U CN213326857U (en) | 2020-07-21 | 2020-07-21 | Airlift fluidized bed micro-electrolysis reaction device |
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| CN213326857U true CN213326857U (en) | 2021-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114394700A (en) * | 2021-12-28 | 2022-04-26 | 上海砼仁环保技术发展有限公司 | Rainwater storage space water body purification method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114394700A (en) * | 2021-12-28 | 2022-04-26 | 上海砼仁环保技术发展有限公司 | Rainwater storage space water body purification method |
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| GR01 | Patent grant | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CANGZHOU HONGYANG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Assignor: CANGZHOU LYUYUAN WATER TREATMENT CO.,LTD. Contract record no.: X2023980039308 Denomination of utility model: An Airlift Fluidized Bed Microelectrolysis Reaction Device Granted publication date: 20210601 License type: Common License Record date: 20230809 |
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| EE01 | Entry into force of recordation of patent licensing contract |