CN203079772U - Device for processing active carbon nano-iron organic contaminated underground water - Google Patents
Device for processing active carbon nano-iron organic contaminated underground water Download PDFInfo
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- CN203079772U CN203079772U CN 201320001704 CN201320001704U CN203079772U CN 203079772 U CN203079772 U CN 203079772U CN 201320001704 CN201320001704 CN 201320001704 CN 201320001704 U CN201320001704 U CN 201320001704U CN 203079772 U CN203079772 U CN 203079772U
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- underground water
- catalytic reduction
- nanometer iron
- flow control
- thief hole
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model relates to a repairing device consisting of an extraction well system and an adsorption catalytic reduction processing system. The extraction well system consists of submersible pumps, extraction sieve tubes, filter materials, bentonite, concrete, flow control valves, check valves, an insert type flowmeter and a sample port; and the adsorption catalytic reduction processing system consists of a quartz sand filter, a sample port, a sand bed, flow control valves, active carbon nano-iron catalytic reduction reactors, active carbon nano-iron stuffing, sample ports, pressure meters and discharge ports. The two systems are combined for application, contaminated underground water is extracted, organic contaminants in the underground water are absorbed and enriched through the active carbon nano-iron stuffing and are catalytically reduced so as to realize discharge standard of underground water after being processed and finally achieve the purposes of removing the contaminants in the contaminated underground water without generating secondary pollution, and excellent repairing effect for typical industrial pollution sites can be achieved.
Description
Technical field
1. the utility model technology is that a cover is handled the phreatic device of organic contamination.
Background technology
2. groundwater pollution is meant that mankind's activity causes that ground water chemistry composition, physical properties and biological characteristics change and make the phenomenon of downgrade.The following complex formation in the face of land, Groundwater Flow is extremely slow, and therefore, groundwater pollution has the advantages that process is slow, be difficult for discovery and be difficult to administer.The environmental problem of China's groundwater pollution is more serious at present, has seriously restricted social Sustainable development, therefore receives the increasingly extensive concern of country.Particularly State Council has formally given an written reply " national groundwater pollution control program (2011-2020) " in the recent period, first general plan has been made in national groundwater pollution preventing and controlling.The main source of groundwater pollution roughly can be divided into: the 1. discharging of industrial gaseous waste, waste water and waste residue; 2. a large amount of uses of chemical preparations such as agricultural chemicals, chemical fertilizer; 3. sewage irrigation.The harm of groundwater pollution mainly contains: 1. crop production reduction and quality descend; 2. the drinking water source is polluted, and HUMAN HEALTH is on the hazard; 3. pollutent accumulates in farm crop, is enriched in human body via food chain; 4. cause other secondary ecological environment problems such as topsoil, surface water pollution, ecosystem degeneration.
3. the groundwater pollution of China has presented characteristics such as output is big, wide, harm is serious, in view of increasingly serious groundwater pollution present situation, and a new focus of the treatment unit of polluted underground water research becoming current environment Science and Technology research.Wherein, organism is to phreatic pollution is big because of its harm, scope wide, longer duration, become the difficult point and the emphasis of groundwater pollution work of treatment.Therefore, the development Organic pollutants groundwater treatment device that rehabilitation cost is low, simple to operate, contaminant removal efficiency is high is one of difficult point of current groundwater treatment engineering.
4. the utility model technology can be used for handling the underground water that is subjected to Organic pollutants.Nanometer iron has been proved for multiple organic pollutant treatment effect preferably, and as organic halogenide, organochlorine pesticide etc., its principle provides electronics to organism for Zero-valent Iron, makes its reductive dehalogenation.Simultaneously, nano level iron specific grain surface is long-pending big, and comparing with traditional iron powder to provide more reaction area.But nanometer iron is lower for the lower organic contamination water treatment efficiency of concentration ratio, cost is higher.The core of present technique is the characteristic that makes full use of big, more intense to organic pollutant adsorption and enrichment ability and the nanometer iron catalytic reduction organic pollutant of gac specific surface area, greatly improved the efficient of the catalytic reduction of nanometer iron, overcome nanometer iron and handled deficiencies such as organic contamination underground water cost height, efficient are low.
The utility model content
The purpose of the utility model technology be utilize that the gac specific surface area is big, the characteristics of high adsorption capacity and nanometer iron catalytic reduction organic pollutant, with gac and nanometer iron mixing moulding, when contaminated underground water during by gac and nanometer iron mixed filler layer, light concentration organic pollutant in the underground water can be enriched to the gac pore surface, make that being combined near the Pollutant levels of the intrapore nano iron particles of gac increases considerably, nanometer iron carries out catalytic reduction to pollutent effectively simultaneously, makes the underground water that is subjected to Organic pollutants obtain handling.Utilize this technology can provide a cover to use scale, efficiently to handle the organic contamination groundwater treatment device of organic contamination underground water, non-secondary pollution as engineering.
6. for achieving the above object, the technological line that the utility model adopts is: complete assembly is made up of extraction well system and adsorption catalysis reduction treatment system, comprises submersible pump (1), extracting screen casing (2), filtrate (3), wilkinite (4), concrete (5), flow control valve (6), check valve (7), plug-in type flow meter (8), thief hole (9), quartz sand filtration device (10), thief hole (11), casting bed (12), flow control valve (13), activated carbon nanometer iron catalytic reduction reactor (14), gac nanometer iron filler (15), thief hole (16), pressure warning unit (17), discharge outlet (18).Wherein, described submersible pump (1), extracting screen casing (2), filtrate (3), wilkinite (4), concrete (5), flow control valve (6), check valve (7), plug-in type flow meter (8), thief hole (9) are the extraction well system; Quartz sand filtration device (10), thief hole (11), casting bed (12), flow control valve (13), activated carbon nanometer iron catalytic reduction reactor (14), gac nanometer iron filler (15), thief hole (16), pressure warning unit (17), discharge outlet (18) are the adsorption catalysis reduction treatment system.Contaminated underground water is under the extracting of submersible pump (1), enter extracting screen casing (2) by the waterbearing stratum through filtrate (3), through quartz sand filtration device (10) entrained solid particulate matter in the underground water is filtered out, enter activated carbon nanometer iron catalytic reduction reactor (14) again, carry out catalytic reduction by the organic pollutant in gac nanometer iron filler (15) absorption, the enrichment underground water and to it, the underground water after the processing is discharged from discharge outlet (18) through pipeline.The internal pressure of activated carbon nanometer iron catalytic reduction reactor (14) can be read by pressure warning unit (17), is convenient in time adjust discharge.Activated carbon nanometer iron catalytic reduction reactor (14) is inner for pressure-bearing designs, and has increased the velocity of flow of contaminated underground water by gac nanometer iron filler (15), has improved catalytic reduction efficiency.Two portions system is in conjunction with application, with the underground water qualified discharge after realizing handling, finally reaches the pollutent removed in the polluted underground water, do not produce the purpose of secondary pollution.
7. the utility model technology has following advantage: 1. can use as project scale, practical, the operation process full-automation can realize commercial applications; 2. can adsorb the organic pollutant in the organic contamination underground water with catalytic reduction and handle, and can prevent to cause secondary pollution; 3. simple, the engineering of treatment process and working cost is low, the treatment time is short, processing efficiency is high is the system that a cover is efficient, economic, lasting, ambient interference is few, has good economic benefit and social benefit.
Accompanying drawing and description of drawings
8. Fig. 1 is the technological line schema of the utility model technique device.
9. Fig. 2 is the extraction well system architecture synoptic diagram of the utility model technique device.
10. Fig. 3 is the quartz sand filtration device structural representation of the utility model technique device.
11. Fig. 4 is the activated carbon nanometer iron catalytic reduction reactor structural representation of the utility model technique device.
Embodiment
12. the utility model is described further below in conjunction with accompanying drawing.
13. the extraction well system places contaminated soil and underground water, be made up of submersible pump (1), extracting screen casing (2), filtrate (3), wilkinite (4), concrete (5), flow control valve (6), check valve (7), plug-in type flow meter (8), thief hole (9), pipe connection connects or the flange connection according to accepting.Need to process grid formula bar seam on the pipeline of extracting screen casing (2), be used for evenly drawing water and filtering larger particles, bar seam width is 0.5-1.5mm, the rate 15% of cracking; Filtrate (3) adopts quartz sand, the configuration of gravel grating, and sealing trapping, water proof are filled with 1: 1 wilkinite (4) and concrete (5) in extraction well filtrate (3) top; Flow control valve (6) is installed on main arm and the main, is used to regulate the extracting rate of discharge of groundwater; Check valve (7) is installed on main arm and the main, is used to prevent ducted aqueous reflux; Plug-in type flow meter (8) is installed on the main pumping conduit, is used to understand the flow of parameter and pilot-gas.
14. the adsorption catalysis reduction treatment system is made up of quartz sand filtration device (10), thief hole (11), casting bed (12), flow control valve (13), activated carbon nanometer iron catalytic reduction reactor (14), gac nanometer iron filler (15), thief hole (16), pressure warning unit (17), discharge outlet (18).Underground water is sent by pipeline through the extraction well system, enter quartz sand filtration device (10), by the solid particulate matter in casting bed (12) the removal underground water wherein, enter activated carbon nanometer iron catalytic reduction reactor (14) again, by the organic pollutant in gac nanometer iron filler (15) absorption, the enrichment underground water, the nanometer iron that is combined in the activated carbon granule hole carries out catalytic reduction efficiently to the high concentration organic contaminant around it.Underground water after the processing carries out qualified discharge through discharge outlet (18) behind thief hole (16) sampling analysis.
Claims (1)
1. gac nanometer iron organic contamination groundwater treatment device, it is characterized in that: device comprises submersible pump (1), extracting screen casing (2), filtrate (3), wilkinite (4), concrete (5), flow control valve (6), check valve (7), plug-in type flow meter (8), thief hole (9), quartz sand filtration device (10), thief hole (11), casting bed (12), flow control valve (13), activated carbon nanometer iron catalytic reduction reactor (14), gac nanometer iron filler (15), thief hole (16), pressure warning unit (17), discharge outlet (18); Wherein, described submersible pump (1), extracting screen casing (2), filtrate (3), wilkinite (4), concrete (5), flow control valve (6), check valve (7), plug-in type flow meter (8), thief hole (9) are the extraction well system, and quartz sand filtration device (10), thief hole (11), casting bed (12), flow control valve (13), activated carbon nanometer iron catalytic reduction reactor (14), gac nanometer iron filler (15), thief hole (16), pressure warning unit (17), discharge outlet (18) are the adsorption catalysis reduction treatment system; Contaminated underground water is under the extracting of submersible pump (1), enter extracting screen casing (2) by the waterbearing stratum through filtrate (3), through quartz sand filtration device (10) entrained solid particulate matter in the underground water is filtered out, enter activated carbon nanometer iron catalytic reduction reactor (13) again, carry out catalytic reduction by the organic pollutant in gac nanometer iron filler (15) absorption, the enrichment underground water and to it, the underground water after the processing is discharged from discharge outlet (18) through pipeline; The internal pressure of catalytic reduction reactor (13) can be read by pressure warning unit (17), is convenient in time adjust discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001704 CN203079772U (en) | 2013-01-05 | 2013-01-05 | Device for processing active carbon nano-iron organic contaminated underground water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320001704 CN203079772U (en) | 2013-01-05 | 2013-01-05 | Device for processing active carbon nano-iron organic contaminated underground water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203079772U true CN203079772U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320001704 Expired - Fee Related CN203079772U (en) | 2013-01-05 | 2013-01-05 | Device for processing active carbon nano-iron organic contaminated underground water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203079772U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016426A (en) * | 2014-05-19 | 2014-09-03 | 山东省水利科学研究院 | Reducing apparatus for reaction material at underground-water pollution processing wells and application method |
| CN107907641A (en) * | 2017-10-31 | 2018-04-13 | 江苏省地质调查研究院 | A kind of automatic device for monitoring and analyzing and application method for mobility underground water |
-
2013
- 2013-01-05 CN CN 201320001704 patent/CN203079772U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104016426A (en) * | 2014-05-19 | 2014-09-03 | 山东省水利科学研究院 | Reducing apparatus for reaction material at underground-water pollution processing wells and application method |
| CN104016426B (en) * | 2014-05-19 | 2015-09-30 | 山东省水利科学研究院 | For reducing apparatus and the using method of groundwater pollution process well reaction material |
| CN107907641A (en) * | 2017-10-31 | 2018-04-13 | 江苏省地质调查研究院 | A kind of automatic device for monitoring and analyzing and application method for mobility underground water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20170105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |