CN101531405B - Process and device for movably adsorbing poisonous and harmful substances in natural water areas - Google Patents
Process and device for movably adsorbing poisonous and harmful substances in natural water areas Download PDFInfo
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- CN101531405B CN101531405B CN2009100207006A CN200910020700A CN101531405B CN 101531405 B CN101531405 B CN 101531405B CN 2009100207006 A CN2009100207006 A CN 2009100207006A CN 200910020700 A CN200910020700 A CN 200910020700A CN 101531405 B CN101531405 B CN 101531405B
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Abstract
The invention provides a process and a device for movably adsorbing poisonous and harmful substances in natural water areas. The movable adsorption process comprises that: when a river is polluted by poisonous and harmful substances and needs to be treated, firstly, the polluted water area is isolated from the unpolluted water area; and secondly, the adsorbing materials capable of adsorbing poisonous and harmful substances are dragged to move in the water body of the polluted water area for movable adsorption, so that the aim of quickly purifying water is achieved. The movable adsorption device comprises a movable adsorption unit module consisting of a bracket, adsorbing materials and floaters, wherein the adsorbing materials are put in meshed bags which are staggered and hanged on the bracket, and the bracket is connected with the floaters. The process and the device have the advantages that the concentration diffusion adsorbing path is short; the movement of the movable adsorption device improves the convective diffusion efficiency and further enhances the adsorption mass transfer effect, so that the contents of the poisonous and harmful substances in the water body can be effectively reduced in a short period of time.
Description
Technical field
The present invention relates to the removal technology of pollutent in a kind of natural water area, especially (for example: heavy metal, " three cause " material etc.) emergent removal technology belongs to the water purification technology field to relate under a kind of outburst surroundings accident background in the natural water area hazardous and noxious substances.
Background technology
Often contain hazardous and noxious substances (for example: arsenic, mercury, lead, cadmium etc.) such as heavy metal in the waste water that in the industrial accident that chemical enterprise takes place, gives off, after these materials enter water body, because bioconcentration, can improve more than 1,000,000 times through its concentration of food chain accumulation back, by human body edible after, often cause human body to be poisoned.The technology that is applied to the processing of natural water area burst pollution emergency now mainly contains two kinds: a kind of is to add medicament in water body, by producing precipitating action hazardous and noxious substances such as heavy metal is transferred in the bed mud; Another kind is by building absorption dam in the river course, and filling adsorption material in absorption dam in interception waste water, relies on the adsorption of absorption dam internal adsorption material, and hazardous and noxious substances such as heavy metal are removed from water body.Although above two kinds of technology all can be removed hazardous and noxious substances such as heavy metal from aqueous phase, all there is tangible weak point in it.
In water body, add medicament, after hazardous and noxious substances such as heavy metal are transferred to bed mud, form secondary pollution easily, and high to the treatment and disposal cost of bed mud.Absorption dam is owing to exist very big shock resistance, and its conveyance capacity is less; The ratio of absorption dam thickness and width is little usually, and therefore short stream take place easily; Be not easy after sorbing material is saturated to change etc.
Summary of the invention
The present invention is directed to the problem of hazardous and noxious substances pollution natural water area urgent technique existence such as existing heavy metal, provide a kind of hazardous and noxious substances such as heavy metal are adsorbed the mobile absorbing process of hazardous and noxious substances in the natural water area fast, that removal effect is good, a kind of mobile adsorption unit of realizing this technology is provided simultaneously.
The mobile absorbing process of hazardous and noxious substances is in the natural water area of the present invention:
Polluted in the time of to handle water body by hazardous and noxious substances, polluted waters is kept apart with the waters of also not polluted at first, the traction sorbing material that can adsorb hazardous and noxious substances moves in the water body of polluted waters then, move absorption, to strengthen the touch opportunity of sorbing material and hazardous and noxious substances, sorbing material is saturated to be changed later, thereby reaches the purpose of fast purification water quality.
When moving absorption, can be according to the lineament in contaminated waters, absorption is moved in segmentation simultaneously.
The mobile adsorption unit of realizing above-mentioned technology adopts following technical solution:
This mobile adsorption unit comprises a mobile absorbing unit module at least, mobile absorbing unit module is made up of support, sorbing material and float, sorbing material is contained in the mesh bag, is contained with staggered the hanging on the support of mesh bag of sorbing material, is connected with float on the support.
Support is rectangular, can be built by building scaffold.
Sorbing material forms the sorbing material column with mesh bag splendid attire, and length is different because of the depth of water, is staggered mode and hangs on the support.
Float can adopt all that big buoyancy can be provided and be easy to material with frame fixation.
During use, this moves the adsorption unit front and back end all can connect tractor tug, draws this device by tractor tug and move the hazardous and noxious substances in the sorbing material adsorbed water body on the use device in the water body that polluted by hazardous and noxious substances.Tractor tug can use the ship of any structure form, is used to provide power.
The present invention adopts the column sorbing material to move absorption, and concentration diffusion absorption path is little, has improved concentration diffusion efficient; Draw mobile adsorption unit with certain speed operation by ship, improved the convection current diffuser efficiency, thereby strengthened the absorption mass transfer effect, can effectively reduce the content of hazardous and noxious substances in the water body within a short period of time, be fit to the characteristics of " anxious, fast " in the emergency processing of environment burst accident.
Description of drawings
Fig. 1 is the principle schematic of the mobile absorbing process of hazardous and noxious substances in the natural water area of the present invention.
Fig. 2 moves the structural representation of the mobile absorbing unit module of adsorption unit for the present invention.
Among the figure, 1, tractor tug, 2, mobile adsorption unit, 3, the river, 4, sorbing material, 5, float, 6, support.
Embodiment
As shown in Figure 1, the mobile absorbing process of hazardous and noxious substances is exactly that 3 natural water areas such as grade are polluted in the time of need handling water body by hazardous and noxious substances in the river in the natural water area of the present invention, polluted waters and still untainted waters isolate at first, utilize tractor tug 1 traction mobile adsorption unit 2 of the present invention in the water body of polluted waters, to move then, reach the purpose of fast purification water quality.Be hung with sorbing material 4 on the mobile adsorption unit 2 of the present invention, can change easily after sorbing material is saturated.Landform according to contaminated waters, can the more mobile adsorption unit of usage quantity, segmentation realizes moving absorption, has so not only strengthened the absorption mass transfer effect, and can reduce the content of water body hazardous and noxious substances at short notice, thereby hazardous and noxious substances is removed from polluted-water.
As shown in Figure 2, mobile absorbing unit module is made up of support 6, sorbing material 4 and float 5.Support 6 is rectangular, can be built with web member by building scaffold.Sorbing material 4 is contained in the mesh bag, be column (height decide according to the depth of water), be arranged in several rows and interlock and hang on the support 6, the sorbing material 4 that hangs between the adjacent lines is staggered front to back layout, enlarge the coverage rate of sorbing material, to improve the mass transfer adsorption effect as far as possible.Sorbing material 4 is selected the sorbent material of small particle size high-specific surface area usually for use, can select the activated alumina of a certain particle diameter or activated ferric oxide the particle other materials of efficient absorption hazardous and noxious substances (or be applicable to) for use.Be connected with float 5 on the support 6, to improve buoyancy, float 5 can adopt all that big buoyancy can be provided and be easy to and support fixed material, and quantity can be determined according to the weight of the sorbing material of support and suspension.
The adsorption process of above-mentioned mobile adsorption unit is as follows:
Suffer the pollution of hazardous and noxious substances such as heavy metal at water body after, driving mobile adsorption unit 2 by tractor tug 1 moves in water body, in moving process, the sorbing material 4 that hangs on the mobile adsorption unit 2 fully contacts with the hazardous and noxious substances such as heavy metal in the water body, hazardous and noxious substances such as heavy metal are adsorbed removal, sorbing material 4 saturated can replacings later, water quality is able to fast purification.In hazardous and noxious substances polluted-water treating processess such as heavy metal, the sorbing material 4 of staggered arrangement moves freely in water body, strengthened the touch opportunity of hazardous and noxious substances such as sorbing material and heavy metal, strengthened the absorption mass transfer effect, can reduce the content of hazardous and noxious substances such as water body weight metal at short notice, be fit to the characteristics of burst accident emergency processing " anxious, fast ".Throw in a plurality of mobile adsorption units in contaminated waters, segmentation is adsorbed simultaneously, and processing speed is faster.
Contain arsenic (As) waste water (arsenic content is up to 1.017mg/L) in a large amount of high densitys and enter emergent pond (under the situation of length * wide * height=40m * 20m * 4m), adopting mobile adsorption unit of the present invention to hang the activated alumina sorbing material handles, mobile adsorption unit operation is after 1 day, As content is reduced to 0.037mg/L in the waste water, satisfies three class water body As content standards.
Claims (2)
1. the mobile adsorption unit of hazardous and noxious substances in the natural water area, it is characterized in that: comprise a mobile absorbing unit module at least, mobile absorbing unit module is made up of support, sorbing material and float, sorbing material is contained in the mesh bag, be contained with staggered the hanging on the support of mesh bag of sorbing material, be connected with float on the support; Polluted in the time of to handle water body by hazardous and noxious substances, polluted waters is kept apart with the waters of also not polluted at first, the traction sorbing material that can adsorb hazardous and noxious substances moves in the water body of polluted waters then, move absorption, to strengthen the touch opportunity of sorbing material and hazardous and noxious substances, sorbing material is saturated to be changed later, thereby reaches the purpose of fast purification water quality.
2. mobile adsorption unit according to claim 1 is characterized in that: described support is rectangular, is built by building scaffold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100207006A CN101531405B (en) | 2009-04-22 | 2009-04-22 | Process and device for movably adsorbing poisonous and harmful substances in natural water areas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100207006A CN101531405B (en) | 2009-04-22 | 2009-04-22 | Process and device for movably adsorbing poisonous and harmful substances in natural water areas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101531405A CN101531405A (en) | 2009-09-16 |
| CN101531405B true CN101531405B (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100207006A Expired - Fee Related CN101531405B (en) | 2009-04-22 | 2009-04-22 | Process and device for movably adsorbing poisonous and harmful substances in natural water areas |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838026B (en) * | 2010-04-14 | 2011-11-02 | 山东建筑大学 | Adsorption dam for emergency treatment of sudden heavy metal pollution of natural water body |
| CN102701309B (en) * | 2012-06-20 | 2014-01-29 | 哈尔滨工业大学 | Adsorption fluidized bed applied to emergency treatment of sudden water pollution and method for emergency treatment of sudden water pollution by using same |
| CN102897867A (en) * | 2012-11-09 | 2013-01-30 | 哈尔滨工业大学 | Connecting rod fluctuation type adsorption device applied to sudden water contamination emergency treatment |
| CN103332761B (en) * | 2013-06-26 | 2014-07-09 | 长江水利委员会长江科学院 | Sudden water pollution accident emergency treatment system |
| CN103303999A (en) * | 2013-07-03 | 2013-09-18 | 内蒙古大学 | Preparation method of heavy metal ion adsorption hanging net taking super absorbent resin as filler |
| CN103496759A (en) * | 2013-09-23 | 2014-01-08 | 青岛科技大学 | Movable adsorption device of toxic and harmful substances in natural waters |
| CN105883960A (en) * | 2014-10-17 | 2016-08-24 | 北京圣海通科技有限公司 | Engine-driven system for eliminating water pollutants |
| CN105883958A (en) * | 2014-10-17 | 2016-08-24 | 北京圣海通科技有限公司 | Water pollutant eliminating system with double towing end arrangement |
| CN105883959A (en) * | 2014-10-17 | 2016-08-24 | 北京圣海通科技有限公司 | Floating system for eliminating water pollutants |
| CN109179552A (en) * | 2018-09-19 | 2019-01-11 | 上海勘测设计研究院有限公司 | Water body fluoride adsorptive purifier |
-
2009
- 2009-04-22 CN CN2009100207006A patent/CN101531405B/en not_active Expired - Fee Related
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| CN101531405A (en) | 2009-09-16 |
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