A kind of device of advanced reduction pretreatment waste water

文档序号:1765850 发布日期:2019-12-03 浏览:33次 中文

阅读说明:本技术 一种高级还原预处理废水的装置 (A kind of device of advanced reduction pretreatment waste water ) 是由 刘忻 柳中行 尤娟娟 于杨 朱孝倩 钟晓欣 李勇 吴建华 刘锋 于 2019-08-30 设计创作,主要内容包括:一种高级还原预处理废水的装置;由下至上包括预混合区、反应区及分离区;预混合区内布设有进水管路、进气管路,进水管路开设有数个出水孔,进气管路开设有数个曝气孔,氢气与污染水在预混合区中混合形成气-水混合物;反应区与预混合区之间设有气水混合分布板;反应区中设有催化剂固定床,该固定床中定位有MOFs固体催化剂;气-水混合物与催化剂固定床中的MOFs固体催化剂发生反应,对污染水进行水体修复;分离区中设有三相分离器,包括集气罩及导流块;集气罩的顶部与排气管路连通,排出多余氢气;分离区的顶部为反应后水流的溢流面。本发明用于有机物污染水体的修复具有高效、无选择性、环境友好、无二次污染等优点,适用于各种有机废水处理。(A kind of device of advanced reduction pretreatment waste water;It from the bottom to top include pre-mix zone, reaction zone and Disengagement zone;Inlet pipeline, air inlet pipeline are laid in pre-mix zone, inlet pipeline offers several apopores, and air inlet pipeline offers several solarization air caps, and hydrogen and contaminant water are mixed to form air-water mixture in pre-mix zone;Mixing wastewater with air distribution grid is equipped between reaction zone and pre-mix zone;In reaction zone be equipped with it is catalyst fixed bed, MOFs solid catalyst is located in the fixed bed;Air-water mixture with it is catalyst fixed bed in MOFs solid catalyst react, to contaminant water carry out water remediation;Three phase separator, including gas gathering mask and baffle are equipped in Disengagement zone;The top of gas gathering mask is connected to gas exhaust piping, and surplus hydrogen is discharged;The top of Disengagement zone is the spillwag chute of water flow after reaction.The present invention for the reparation of organic pollution water body have many advantages, such as efficiently, it is non-selectivity, environmental-friendly, without secondary pollution, suitable for various treatment of Organic Wastewater.)

1. a kind of device of advanced reduction pretreatment waste water;It is characterized by:

Described device includes pre-mix zone, reaction zone and Disengagement zone from the bottom to top;

Wherein, it is laid with inlet pipeline in its bottom in the pre-mix zone, several apopores is offered on the inlet pipeline, to The contaminant water of processing flows into the pre-mix zone via each apopore on the inlet pipeline;

It is also laid with air inlet pipeline in its bottom in the pre-mix zone, several solarization air caps are offered on the air inlet pipeline, are used for It introduces hydrogen into the pre-mix zone;

When work, each solarization air cap of the air inlet pipeline generates intensive bubble hydrogen in the pre-mix zone, to via described The contaminant water that each apopore of inlet pipeline introduces is disturbed, to keep hydrogen and contaminant water abundant in the pre-mix zone It is mixed to form air-water mixture;

Wherein, mixing wastewater with air distribution grid is equipped between the reaction zone and the pre-mix zone, it is close on the mixing wastewater with air distribution grid Several micropores are furnished with, for passing through the air-water mixture;

It is catalyst fixed bed that it is equipped at least one level in the reaction zone, MOFs solid catalyst is located in the fixed bed;It is described Air-water mixture by the pre-mix zone flow up to the reaction zone it is catalyst fixed bed in, and with it is catalyst fixed bed in The MOFs solid catalyst react, and then to contaminant water carry out water remediation;

Wherein, three phase separator is equipped in the Disengagement zone, which includes the gas gathering mask being located above and be located at Baffle on the side wall of Disengagement zone;For the gas gathering mask at low wide and up narrow taper, lower edge corresponds to the upper oblique of the baffle Face, and there is a gap between the two;The top of gas gathering mask is connected to a gas exhaust piping, for extra hydrogen to be discharged;It is described to lead Flowing block includes the ramp, further includes lower inclined plane, and the outer end of the ramp is higher than inner end, and the outer end of the lower inclined plane is lower than Inner end;

The top of the Disengagement zone is the spillwag chute of the water flow after reaction.

2. the apparatus according to claim 1, it is characterised in that: the air inlet pipeline is located at the lower section of inlet pipeline.

3. the apparatus according to claim 1, it is characterised in that: the inlet pipeline is lying in the pre-mix zone, into The obliquely downward of each apopore towards inlet pipeline two sides in water lines opens up.

4. the apparatus according to claim 1, it is characterised in that: the air inlet pipeline includes micro-hole aerator, which exposes Gas device is lying in the pre-mix zone;Micro-hole aerator is equipped with several solarization air caps, for generating small bubble hydrogen.

5. the apparatus according to claim 1, it is characterised in that: be equipped at least second catalyst in the reaction zone and fix Bed, each catalyst fixed bed and water flow stacked in short transverse communicate.

6. the apparatus according to claim 1, it is characterised in that: catalyst fixed bed driven by a driving mechanism can The axial-rotation of winding apparatus.

7. the apparatus according to claim 1, it is characterised in that: the gas gathering mask is being filled by straight line driving mechanism driving The short transverse set is scalable.

8. the apparatus according to claim 1, it is characterised in that: the gas exhaust piping is connected to the air inlet pipeline.

9. the apparatus according to claim 1, it is characterised in that: the top of the Disengagement zone is equipped with a water outlet conduit, should go out The setting position in sink road is lower than the setting position of the spillwag chute, and is discharged conduit and is connected to an outlet pipeline.

10. device according to claim 9, it is characterised in that: the outlet pipeline is connected to the inlet pipeline.

Technical field

The present invention relates to technical field of waste water processing, and in particular to a kind of device of advanced reduction pretreatment waste water.

Background technique

Since reform and opening-up, with the rapid development of Chinese society economy, a large amount of industrial organic waste waters and waste are by nothing Sequence is discharged into natural water, due to having exceeded the self-purification capacity of water body, seriously polluted water environment.Wherein, due to industry Organic contamination complicated component in waste water, and there is certain bio-toxicity, it can not effectively be gone by conventional biological treatment technique It removes.People, animal are taken in these pollutant components in vivo by drinking-water, can significantly affect endocrine system, and are accumulated in vivo, difficult With tachymetabolism, the long canceration, distortion and gene mutation that can cause organism.As people are to the increasingly heavy of own health Depending on, it would be highly desirable to one kind can efficiently remove the water treatment technology of organic contamination, to ensure the safety of water body environment.

Advanced reduction ARPs(Advanced Reduction Processes) technology is the water process risen in the past 20 years New technology, actually a kind of artificial-strengthening generate the substance (typical such as reactive hydrogen, [H]) of strong reducing property, and utilize its nothing Selectively the organic matter in water removal is removed in degradation, them is made quickly to be reduced the substance for being degraded to and being easily biodegradable.The water process The technological reaction of technology is fast, without secondary pollution, is theoretically adapted to the processing of all organic wastewaters.

In numerous ARPs technologies, with Zero-valent Iron and its a series of derivative technologies, such as iron plane flower, millimeter/nano zero-valence Iron and bimetallic copper and iron, ferronickel, palladium iron, ferro-aluminum etc. are most commonly seen.The cardinal principle that they are reacted is: one, utilizing iron or aluminium Activity replaces the protium in water, is allowed to generate the strong reactive hydrogen of reproducibility [H], utilizes [H] reduction difficult for biological degradation Organic matter;Two, iron or aluminium itself reproducibility are stronger, can directly give the organic matter of electron reduction difficult for biological degradation.

But above-mentioned technology is found after engineering practice there are some problem, influences its further genralrlization application from now on, is had Body includes: that the cost of raw material of one, certain technologies is expensive, can not large-scale engineering, such as your gold in nano zero valence iron, palladium iron Belong to palladium;Two, the raw material of certain technologies itself easily cause potential secondary heavy metal pollution problem, such as the nickel in ferronickel, copper and iron In copper (when handling high ammonia-nitrogen wastewater), the aluminium in ferro-aluminum etc.;Three, reaction effect is not lasting, in water such as nano zero valence iron Easily passivation failure, bimetallic and its derivative more metal iron content systems there are surface scale (oxide of metal, hydroxide, Hydrous oxide) failure the problem of.

Hydrogen H2It is also common reducing agent, reduction is efficiently and more friendly to environment, but due at normal temperatures and pressures, H2It is insoluble in water, therefore wants the advanced reducing power of maintenance system, then has to last for being passed through H into waste water2, so that [H] is persistently produced Process that is raw and maintaining macroscopically degradation of organic substances.But it does so, on the one hand increases technological operation, operating cost, another party Face largely has neither part nor lot in the H of reaction2Evolution reaction system enters in ambient enviroment, causes potentially to fire danger.

Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the project of the invention to be researched and solved.

Summary of the invention

The object of the present invention is to provide a kind of devices of advanced reduction pretreatment waste water.

In order to achieve the above objectives, the technical solution adopted by the present invention is that:

A kind of device of advanced reduction pretreatment waste water;Described device includes pre-mix zone, reaction zone and separation from the bottom to top Area;

Wherein, it is laid with inlet pipeline in its bottom in the pre-mix zone, several apopores is offered on the inlet pipeline, to The contaminant water of processing flows into the pre-mix zone via each apopore on the inlet pipeline;

It is also laid with air inlet pipeline in its bottom in the pre-mix zone, several solarization air caps are offered on the air inlet pipeline, are used for It introduces hydrogen into the pre-mix zone;

When work, each solarization air cap of the air inlet pipeline generates intensive bubble hydrogen in the pre-mix zone, to via described The contaminant water that each apopore of inlet pipeline introduces is disturbed, to keep hydrogen and contaminant water abundant in the pre-mix zone It is mixed to form air-water mixture;

Wherein, mixing wastewater with air distribution grid is equipped between the reaction zone and the pre-mix zone, it is close on the mixing wastewater with air distribution grid Several micropores are furnished with, for passing through the air-water mixture;

It is catalyst fixed bed that it is equipped at least one level in the reaction zone, MOFs solid catalyst is located in the fixed bed;It is described Air-water mixture by the pre-mix zone flow up to the reaction zone it is catalyst fixed bed in, and with it is catalyst fixed bed in The MOFs solid catalyst react, and then to contaminant water carry out water remediation;

Wherein, three phase separator is equipped in the Disengagement zone, which includes the gas gathering mask being located above and be located at Baffle on the side wall of Disengagement zone;For the gas gathering mask at low wide and up narrow taper, lower edge corresponds to the upper oblique of the baffle Face, and there is a gap between the two;The top of gas gathering mask is connected to a gas exhaust piping, for extra hydrogen to be discharged;It is described to lead Flowing block includes the ramp, further includes lower inclined plane, and the outer end of the ramp is higher than inner end, and the outer end of the lower inclined plane is lower than Inner end;

The top of the Disengagement zone is the spillwag chute of the water flow after reaction.

Related content in above-mentioned technical proposal is explained as follows:

1. in above scheme, the air inlet pipeline is located at the lower section of inlet pipeline.

2. in above scheme, the inlet pipeline is lying in the pre-mix zone, each apopore court on inlet pipeline It is opened up to the obliquely downward of inlet pipeline two sides.

3. in above scheme, the air inlet pipeline includes micro-hole aerator, which is lying in the premixing Qu Zhong;Micro-hole aerator is equipped with several solarization air caps, for generating small bubble hydrogen.

4. in above scheme, at least second catalyst fixed bed is equipped in the reaction zone, it is each described catalyst fixed bed It is stacked in short transverse and water flow communicates.

5. in above scheme, it is described it is catalyst fixed bed by driving mechanism driving can winding apparatus axial-rotation.

6. in above scheme, the gas gathering mask drives the short transverse in device scalable by a straight line driving mechanism.

7. in above scheme, the gas exhaust piping is connected to the air inlet pipeline.

8. in above scheme, the top of the Disengagement zone is equipped with a water outlet conduit, and the setting position of the water outlet conduit is lower than The setting position of the spillwag chute, and be discharged conduit and be connected to an outlet pipeline.

9. in above scheme, the outlet pipeline is connected to the inlet pipeline.

The working principle of the invention and advantage are as follows:

A kind of device of advanced reduction pretreatment waste water of the present invention;It from the bottom to top include pre-mix zone, reaction zone and Disengagement zone;In advance Inlet pipeline, air inlet pipeline are laid in mixed zone, inlet pipeline offers several apopores, and air inlet pipeline offers several exposures Stomata, hydrogen and contaminant water are mixed to form air-water mixture in pre-mix zone;Air water is equipped between reaction zone and pre-mix zone Mixed distribution plate;In reaction zone be equipped with it is catalyst fixed bed, MOFs solid catalyst is located in the fixed bed;Air-water mixing Object with it is catalyst fixed bed in MOFs solid catalyst react, to contaminant water carry out water remediation;It is equipped in Disengagement zone Three phase separator, including gas gathering mask and baffle;The top of gas gathering mask is connected to gas exhaust piping, and surplus hydrogen is discharged;Disengagement zone Top be reaction after water flow spillwag chute.

Compared to existing technologies, the present invention utilizes H2, MOFs solid catalyst carry out organic pollution water body improvement. Pass through H2Strong reducing action accelerate organic matter reduction process.As the MOFs of one of solid catalyst composition, suction can be passed through Attached prolonged action H2Remaining time in the device, to sufficiently improve its haptoreaction effect with organic matter, it is invalid to reduce Loss improves hydrogen utilization ratio.MOFs solid catalyst has the ability repeatedly used.It is generated in device operational process Strong reducing property [H] can efficiently restore high toxicity, dysoxidizable difficult for biological degradation organic pollutant in water body.To sum up, this hair The bright inefficiency problem solved when general reduction method handles waste water, the reparation for being used for organic pollution water body have efficient, nothing The advantages that selective, environmental-friendly, without secondary pollution, is suitable for various treatment of Organic Wastewater.

Detailed description of the invention

Attached drawing 1 is the structural schematic diagram of the embodiment of the present invention.

In the figures above: 1. pre-mix zones;2. reaction zone;3. Disengagement zone;4. inlet pipeline;5. air inlet pipeline;6. water pump; 7. air pump;8. mixing wastewater with air distribution grid;9. catalyst fixed bed;10. gas gathering mask;11. baffle;12. gas exhaust piping;13. water Envelope;14. flow back air pump;15. spillwag chute;16. being discharged conduit;17. outlet pipeline.

Specific embodiment

The invention will be further described with reference to the accompanying drawings and embodiments:

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