CN203148820U - Reaction material sieving device for permeable reaction wall - Google Patents
Reaction material sieving device for permeable reaction wall Download PDFInfo
- Publication number
- CN203148820U CN203148820U CN 201320200392 CN201320200392U CN203148820U CN 203148820 U CN203148820 U CN 203148820U CN 201320200392 CN201320200392 CN 201320200392 CN 201320200392 U CN201320200392 U CN 201320200392U CN 203148820 U CN203148820 U CN 203148820U
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- Prior art keywords
- reaction
- stopple coupon
- reaction column
- reaction material
- screening plant
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- 239000000463 material Substances 0.000 title claims abstract description 58
- 238000007873 sieving Methods 0.000 title abstract 5
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 27
- 229920001296 polysiloxane Polymers 0.000 claims description 19
- 238000012216 screening Methods 0.000 claims description 19
- 210000004907 gland Anatomy 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 22
- 239000003344 environmental pollutant Substances 0.000 abstract description 19
- 231100000719 pollutant Toxicity 0.000 abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000005070 sampling Methods 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract 1
- 238000003911 water pollution Methods 0.000 abstract 1
- 230000008595 infiltration Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model relates to the field of controlled repair of underground water pollution, in particular to a reaction material sieving device for a permeable reaction wall. The reaction material sieving device comprises a reaction column and a plurality of sampling pipes, wherein one end of the reaction column is provided with a sealing cover, and the other end of the reaction column is connected with a pump; the sampling pipes are distributed on the side face of the reaction column, and are communicated with the inside of the reaction column; the sampling pipes comprise water head sampling pipes and concentration sampling pipes; and the water head sampling pipes are arranged close to the two ends of the reaction column. When the reaction material sieving device is in use, a sewage sample is injected from the bottom of the device via a pump, the pollutant concentrations and water head heights in the sampling pipes at different positions are measured, the quantity of pollutants removed by using unit mass of the reaction materials for the permeable reaction wall is calculated, the changes of the permeation coefficients of the reaction materials are monitored, and scientific bases are provided for the sieving of the types of reaction materials and the determination of the mixture ratios, thicknesses and service lives of the reaction materials.
Description
Technical field
The utility model relates to groundwater contamination control reparation field, particularly, relates to a kind of permeable reactive barrier reaction material screening plant.
Background technology
The permeable reactive barrier technology is a kind of for reaching the pollution treatment system that certain environment pollution control target is installed in the given activity reaction medium material below ground, when contaminated underground water passes through, effects such as pollutant wherein and reaction medium generation physics, chemistry and biology and be degraded, adsorb, precipitate or remove are converted into environmentally acceptable form with wherein pollutant.The permeable reactive barrier reaction material be installed in underground before, need test indoor, namely according to pollutant kind and content in the local actual underground water, utilize the stake device, determine kind, proportioning and the thickness of wall body of reaction material.
There is following defective in existing permeable reactive barrier technology: (1) existing permeable reactive barrier treatment technology mainly is at the fairly simple industrial and mining enterprises' sewage of pollutant component, and is less at the processing example of the landfill percolate of pollutant component more complicated; (2) existing permeable reactive barrier reaction material prescription is single, and accessible pollutant type is few, increase thickness of wall body greatly and could guarantee treatment effeciency to complex wastewater, and it is higher to be applied to landfill yard infrastructure cost.
And present permeable reactive barrier reaction material screening plant structure is single, can not realize the synchronous mensuration for the treatment of effeciency and infiltration coefficient, thereby can not effectively extrapolate the application parameter of reaction material.
The utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, but provide a kind of permeable reactive barrier reaction material screening plant of simulate formation environment, its be mainly used in simulating the permeable reactive barrier reaction material under the underground environment condition with the reaction of pollutant, realize the synchronous mensuration for the treatment of effeciency and infiltration coefficient, thereby optimize reaction material kind and proportioning, determine reaction material thickness and life-span, reaction mechanism and the migration rule of pollutant in reaction material of research pollutant and reaction material.
For achieving the above object, the utility model provides a kind of permeable reactive barrier reaction material screening plant, and it comprises reaction column and several stopple coupons, and wherein: an end of reaction column is provided with gland bonnet, and the other end links to each other with pump; Stopple coupon be distributed in reaction column the side and with the internal communication of reaction column; And described stopple coupon comprises head stopple coupon and concentration stopple coupon, and the head stopple coupon is located at the position near the two ends of reaction column.
In the utility model, earlier reaction material is packed in the reaction column, by pump the end of sewage from reaction column injected again, the other end from reaction column behind the reaction material of flowing through flows out, with the simulation reaction material under the underground environment condition with the reaction of pollutant.Wherein the concentration stopple coupon can be gathered the sewage sample of diverse location, detects the concentration of pollutant in the sewage sample, to calculate reaction material to the treatment effeciency of pollutant; And the head stopple coupon is used for calculating the sewage sample by the loss of flood peak behind the reaction material, to calculate the infiltration coefficient of reaction material.
The loss of flood peak refers to the mechanical loss of energy of current unit mass liquid in motion process, can measure in several ways.Wherein a kind of mode is at the head stopple coupon known head measuring instrument to be set.Consider more preferably from the cost angle: draw vertically rising pipe from the head stopple coupon that arranges near the reaction column two ends respectively, and make height near the end of the rising pipe of reaction column water inlet end be not less than height near the head stopple coupon of reaction column water side.So arrange down, just can be poor by the liquid level of measuring two rising pipes, calculate the head difference of two positions.
In one embodiment, the tube wall of described stopple coupon links to each other with the sealing of the post jamb of reaction column, to guarantee that pressure can not gush thus.
In one embodiment, the tube wall of the part in reaction column of described stopple coupon is provided with aperture, and is provided with absorbent cotton in the described stopple coupon (the preferably part in reaction column).Aperture infiltrates in the stopple coupon sewage, to obtain sample more uniformly, can avoid stopple coupon to hinder flowing of sewage simultaneously; Absorbent cotton can prevent that the material in the reaction column from entering stopple coupon.Preferably, described aperture is evenly distributed on the tube wall of stopple coupon, with further reinforcement sampling effect.
In one embodiment, described several stopple coupons are arranged in parallel, thereby guarantee the smoothness of current.Preferably, described stopple coupon and reaction column are perpendicular.
In one embodiment, described stopple coupon is inserted into the center of reaction column.This is because the reaction of the center of reaction column is more even.
In one embodiment, described stopple coupon links to each other with silicone tube, and silicone tube is provided with valve, with the switching of control stopple coupon.This valve generally can adopt tongs.
In one embodiment, described reaction column links to each other with pump by impact damper.Preferably, described reaction column links to each other with impact damper by flange.More preferably, be provided with nylon wire and sieve plate between described flange and the impact damper.The setting of impact damper etc. can cushion sewage sample, makes its constant reaction column that infiltrates equably, avoids the pump water unstable.
Do not have luminous environment for simulate formation better, be enclosed with tinfoil on the whole outer surface of said apparatus.
When using device of the present utility model, inject the sewage sample by pump from bottom of device, measure pollutant levels and head height in the diverse location stopple coupon, the permeable reactive barrier reaction material of unit of account quality is removed the amount of pollutant, the variation of monitoring reaction material infiltration coefficient, for the kind of screening reaction material, determine that proportioning, thickness and the life-span of reaction material provides scientific basis.The utlity model has characteristics such as rational in infrastructure, economical and practical, that data are reliable.
Description of drawings
Fig. 1 is the structural representation of an exemplary permeable reactive barrier reaction material screening plant.
Fig. 2 is the structural representation of an exemplary stopple coupon.
Fig. 3 is the sectional view at an exemplary flange position.
Embodiment
As shown in Figure 1, in an exemplary embodiment of the present utility model, permeable reactive barrier reaction material screening plant comprises reaction column 1 and stopple coupon 2, and wherein an end of reaction column 1 is provided with gland bonnet 13, the other end links to each other with pump 7, and an end of stopple coupon 2 is inserted in the reaction column 1.
The position that can stopple coupon 2 be set according to the demand of sampling and distribution (mainly refer to position up and down, in the sampling of reaction material different-thickness place, about all it doesn't matter), to obtain suitable sample with for analysis.In example shown in Figure 1, stopple coupon 2 is parallel to each other and equidistantly arranges, and perpendicular with reaction column 1, evenly is installed on two of reaction column 1 alternately.
One end of stopple coupon 2 is inserted into desires to take the sample part.In the example of Fig. 1, an end of stopple coupon 2 is inserted into the center of reaction column 1, to obtain reaction sample uniformly.
Key feature of the present utility model is that described stopple coupon 2 comprises head stopple coupon and concentration stopple coupon, the head stopple coupon is located near the position (namely need measure two positions of head) at the two ends of reaction column 1 and is linked to each other with long silicone tube 11,12 respectively, a plurality of concentration stopple coupons are located at all the other positions that need to gather pollutant levels in the water sample, and link to each other with short silicone tube 3.Be equipped with valve 4 on long silicone tube 11,12, the short silicone tube 3.Each short silicone tube and long silicone tube are switch with valve 4, and opening links to each other with atmosphere.
For fear of sewage sample leakage and the unnecessary loss of flood peak, in the present embodiment, the tube wall of stopple coupon 2 links to each other with the post jamb sealing of reaction column 1.
With reference to figure 2, the tube wall of the part in reaction column 1 of described stopple coupon 2 is evenly distributed with aperture 2-1, and is provided with absorbent cotton 2-2 in the part in reaction column 1 of described stopple coupon 2.
In example shown in Figure 1, reaction column 1 links to each other with pump 7 by impact damper 10.The top of impact damper 10 is provided with opening, is installed in the bottom of reaction column 1 by flange 5.And as shown in Figure 3, be provided with nylon wire and sieve plate 6 between described flange 5 and the impact damper 10, nylon wire places between reaction material and the sieve plate.The bottom center of impact damper 10 is provided with water inlet, and oral siphon 9 wherein is housed.One end and the impact damper 10 of oral siphon 9 are tightly connected, and the other end links to each other with pump 7 by entry silicone tube 8.Pump 7 links to each other with the sewage sample.
Described reaction column 1 can be various forms of reaction columns, as long as can provide enough reacting environment for reaction material and sewage sample.In the present embodiment, adopt the organic glass post as reaction column 1.
Described valve 4 can be various forms of valves, as long as can control the switching of stopple coupon.In the present embodiment, described valve 4 is tongs.
Described pump 7 can be various forms of pumps, as long as enough power can be provided, sewage can be entered into react in the reaction column to get final product.In the present embodiment, described pump 7 is peristaltic pump.
When the device that utilizes present embodiment screens, at first open the gland bonnet 13 of reaction column 1, required according to experimental study, the permeable reactive barrier reaction material of certain kind, proportioning, thickness is placed into reaction column 1, gland bonnet 13 closes.
Keep each valve 4 to close, long silicone tube 11 is connected to the head stopple coupon of below of reaction column 1, long silicone tube 12 is connected to another head stopple coupon below the reaction column 1 interior material surface.
Open the tongs 4 on long silicone tube 11 and the long silicone tube 12, long silicone tube 11 is vertically placed up with long silicone tube 12 openings, in order to observe head height.
Open the valve 4 supporting with first concentration stopple coupon more than the reaction column 1 interior material surface, as water delivering orifice, and thereunder place the sewage sample collection container.
With the whole outer surface of tinfoil Wrap device, the sewage sample is connected to pump 7, make its constant injection device equably.
After treating that the sewage sample flows out from water delivering orifice, open the valve 4 supporting with the concentration stopple coupon of diverse location respectively, gather the sewage sample of diverse location, to detect the concentration of pollutant in the sewage sample, calculate reaction material to the treatment effeciency of pollutant.
The liquid level of measuring sewage sample in long silicone tube 11 and the long silicone tube 12 is poor, calculates the sewage sample by the loss of flood peak behind the reaction material, thereby obtains the infiltration coefficient of reaction material.
By treatment effeciency and the infiltration coefficient of reaction material, can determine kind, proportioning, the thickness of reaction material that can the sewage sample process is up to standard, and calculate the concrete parameter that is applied to actual permeable reactive barrier.
Claims (10)
1. a permeable reactive barrier reaction material screening plant is characterized in that, comprises reaction column and several stopple coupons, wherein:
One end of reaction column is provided with gland bonnet, and the other end links to each other with pump;
Stopple coupon be distributed in reaction column the side and with the internal communication of reaction column; And
Described stopple coupon comprises head stopple coupon and concentration stopple coupon, and the head stopple coupon is located at the position near the two ends of reaction column.
2. permeable reactive barrier reaction material screening plant according to claim 1 is characterized in that, the tube wall of described stopple coupon links to each other with the sealing of the post jamb of reaction column.
3. permeable reactive barrier reaction material screening plant according to claim 1 is characterized in that, the tube wall of the part in reaction column of described stopple coupon is provided with aperture, and is provided with absorbent cotton in the described stopple coupon.
4. permeable reactive barrier reaction material screening plant according to claim 1 is characterized in that, described several stopple coupons are parallel to each other and equidistantly arrange.
5. permeable reactive barrier reaction material screening plant according to claim 1 is characterized in that described stopple coupon is inserted into the center of reaction column.
6. according to each described permeable reactive barrier reaction material screening plant in the claim 1 to 5, it is characterized in that described stopple coupon links to each other with silicone tube, silicone tube is provided with valve.
7. according to each described permeable reactive barrier reaction material screening plant in the claim 1 to 5, it is characterized in that described reaction column links to each other with pump by impact damper.
8. permeable reactive barrier reaction material screening plant according to claim 7 is characterized in that described reaction column links to each other with impact damper by flange.
9. permeable reactive barrier reaction material screening plant according to claim 8 is characterized in that, is provided with nylon wire and sieve plate between described flange and the impact damper.
10. according to each described permeable reactive barrier reaction material screening plant in the claim 1 to 5, it is characterized in that, be enclosed with tinfoil on the whole outer surface of described permeable reactive barrier reaction material screening plant.
Priority Applications (1)
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CN 201320200392 CN203148820U (en) | 2013-04-19 | 2013-04-19 | Reaction material sieving device for permeable reaction wall |
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CN 201320200392 CN203148820U (en) | 2013-04-19 | 2013-04-19 | Reaction material sieving device for permeable reaction wall |
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CN 201320200392 Expired - Fee Related CN203148820U (en) | 2013-04-19 | 2013-04-19 | Reaction material sieving device for permeable reaction wall |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103234889A (en) * | 2013-04-19 | 2013-08-07 | 中山大学 | Screening device for permeable reactive material of reactive barrier |
CN110104702A (en) * | 2019-05-30 | 2019-08-09 | 深圳市环境科学研究院 | A kind of river underground water pollution reparative experiment device |
-
2013
- 2013-04-19 CN CN 201320200392 patent/CN203148820U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103234889A (en) * | 2013-04-19 | 2013-08-07 | 中山大学 | Screening device for permeable reactive material of reactive barrier |
CN103234889B (en) * | 2013-04-19 | 2017-02-08 | 中山大学 | Screening device for permeable reactive material of reactive barrier |
CN110104702A (en) * | 2019-05-30 | 2019-08-09 | 深圳市环境科学研究院 | A kind of river underground water pollution reparative experiment device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20200419 |