CN101498707B - Test method and water channel for emergency river characteristic pollutant elimination - Google Patents
Test method and water channel for emergency river characteristic pollutant elimination Download PDFInfo
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- CN101498707B CN101498707B CN 200910079778 CN200910079778A CN101498707B CN 101498707 B CN101498707 B CN 101498707B CN 200910079778 CN200910079778 CN 200910079778 CN 200910079778 A CN200910079778 A CN 200910079778A CN 101498707 B CN101498707 B CN 101498707B
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Abstract
The invention relates to an emergency river characteristic contaminant elimination test method. A test flume is used as a purification tank, and the adsorption property of an adsorbing material to contaminants in the test flume is obtained through the selective adsorbing material which is put in the test flume to adsorb the contaminants in an actual water sample from a paroxysmal contamination accident river in the test flume. An emergency river characteristic contaminant elimination test flume comprises a water flume main body, water inlet and outlet valve groups and a mixer. By utilizing the test flume to simulate the emergency simulation releasing and eliminating test for river paroxysmal characteristic contaminants and utilizing the adsorbing material in the flume to adsorb the paroxysmal characteristic contaminants in a river, the invention can high-effectively and rapidly select the adsorbing material and measure the property of the adsorbing material, thereby being favorable to solving the river paroxysmal pollution problem and other pollution problems.
Description
Technical field
The present invention relates to field of environment engineering, is that a kind of emergency river characteristic pollutant is eliminated test method and device specifically.
Background technology
Along with socioeconomic high development, industrialization and the urbanization of human society increasingly sharpen, and water pollutes serious day by day.And river burst Pollution event not only directly may produce the harm influence to the economic fish of living in the waters, also his hydrobiont that comprises its ecologic food chains such as planktonic organism, bottom-dwelling such as algae, bivalves, water silk earthworm is had a negative impact; Simultaneously also may be very unfavorable to life such as the mankind's drinking-water, food, product and activity in production.
Present water body purification adopts biotechnology, high-level oxidation technology, membrane separation technique and adsorption and purification technology usually, wherein the adsorption cleaning method mainly is to utilize adsorbents adsorb to remove pollutant, but the current method and apparatus that sudden Mixing Coefficient in Rectangular Channels is eliminated that still do not exist, can't in time solve river burst Pollution problem, cause environment and the unforeseen harm of people.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, provide a kind of emergency river characteristic pollutant to discharge and eliminated test method and device, with determine fast various sorbing materials to the characterization of adsorption of specific pollutants under actual flow condition, in time selecting suitable sorbing material for solving river burst Pollution problem.
The present invention is achieved by the following technical solutions:
A kind of emergency river characteristic pollutant is eliminated test method, be treatment pond with the experimental tank, simulate actual water flow process, by dropping into the selection sorbing material in the experimental tank, pollutant to the burst Pollution accident river actual water sample in the experimental tank adsorbs, detect in the tank in the test water sample in the initial concentration of pollutant and process of the test and/or the concentration after the test, simulate under the actual flow condition characterization of adsorption to the pollutant in the experimental tank to determine sorbing material.
Test period can be 1-10 hour usually, usually can in process of the test, carry out the detection of repeated pollution substrate concentration by different time points, detect after finishing between also can be at the trial, by to various sorbing materials or various sorbing material according to the test figure under the different proportion combination, find out adsorption equilibrium time and other characterization of adsorptions of various sorbing material absorption pollutants, determine that carrying out contaminated water body by certain sorbing material purifies the elimination time that reaches the ambient water quality standard value, determine suitable sorbing material consumption, the combination of materials ratio reaches the absorption replacing time in water, to draw the water body purification method that comparatively adapts under case of emergency.
Can be provided with several water-inflow and drain valves and stirrer in the described experimental tank, be used for the test water sample of experimental tank is modeled as static state or dynamic.
The water yield of described test water sample is 1-10m
3, temperature is 0-40 ℃.
Described water-inflow and drain valve is controlled into water discharge with water pump, and described pump capacity is 0.5-10L/min.
Described stirrer capacity is 1-100L, and described stirrer stirred single test water every 5-30 minute, stirred 1-2min at every turn.
Described selection sorbing material is loaded in woven bag or the gauze bag, and the aperture of described woven bag is less than 1-10cm or 20-200 mesh sieve, described bag weaved heavy be 1-10kg, 1-16h can drift along in water.
Described selection sorbing material can be activated charcoal, plant ash, crop material and lime stone.
Described selection sorbing material is treated to 1-10cm or 20-200 mesh sieve earlier, then the material of water and processing is pressed 10-500: 1 weight proportion mixes.
Emergency river characteristic pollutant of the present invention is eliminated experimental tank, comprises tank main body, water-inflow and drain valve group and stirrer.
Described tank main body is made of the framework of test with steel or high-molecular organic material.
Described water-inflow and drain valve group is provided with some air inlet and exhaust valves, and described water-inflow and drain valve is located at the experimental tank bottom.
The present invention adopts experimental tank, the emergent simulation of simulation river characteristic bursty nature pollutant discharges and eliminates and test, utilize the acute feature pollutant in the sorbing material absorption river in the tank, can eliminate the acute feature pollutant in the river efficiently, rapidly, in time solve river burst Pollution problem, avoid causing to environment and the unforeseen harm of people.
Description of drawings
Fig. 1 is the process flow diagram that emergency river characteristic pollutant of the present invention is eliminated test method;
Fig. 2 is the structural representation that emergency river characteristic pollutant of the present invention is eliminated experimental tank.
Embodiment
Emergency river characteristic pollutant of the present invention is eliminated test method, be treatment pond with the experimental tank, simulate actual water flow process, by dropping into the selection sorbing material in the experimental tank, pollutant to the burst Pollution accident river actual water sample in the experimental tank adsorbs, concentration after detecting the initial concentration of testing pollutant in the water sample in the tank and testing 1-10h, find out the adsorption equilibrium time of the test material absorption pollutant of all kinds of different proportionings, destroy contaminants reaches the ambient water quality standard value with the interior elimination time, the consumption of sorbing material, the combination of materials ratio and in water the absorption replacing time, determine the feature removing method of meeting an urgent need.
Embodiment
Referring to Fig. 1, the described emergency river characteristic pollutant of the embodiment of the invention is eliminated test method, may further comprise the steps:
1) determining of sorbing material use amount: according to the conditions such as main hydrological characteristics flow velocity, flow, the pollution water yield, the average river course depth of water and cross-sectional width, water temperature, water dissolved oxygen DO, main biological species and density thereof in the river of getting dirty, calculate and determine the sorbing material use amount;
2) selection of sorbing material and processing: according to the hydrological environment feature of pollutant characteristic and polluted river, select sorbing material activated charcoal, plant ash, crop material, straw and lime stone etc. for use, earlier these materials are treated to 1-10cm or 20-200 mesh sieve earlier, then the material of water and processing is pressed 10-500: 1 weight proportion mixes, it is loaded in woven bag or the gauze bag again, the diameter of described woven bag or gauze bag is less than 1-10cm or 20-200 mesh sieve, heavy 1-10kg, 1-16h can drift along in water;
3) calculating and the setting of concrete test parameters: as required experimental tank is modeled as dynamic or static two analoglikes test and studies, hydrological environment feature according to pollutant characteristic and sudden polluted river, calculate actual tests water yield feature pollutant input concentration in the experimental tank, described test water flute length is 1-10m, wide 1m, the amount of actual tests water sample is 1-10m in the high 1m, experimental tank
3Select to set flow 0.5-10L/min or the water amount of agitation 1-100L of water pump and water stirrer according to actual river water velocity; Power requirement is 220V/50Hz, 5-10KW; When non-transformer is supplied with, can simulate and carry out static state or semi-static flume test, stir single test water every 5-30min, stir 1-2min at every turn;
4) configuration of the preparation of test water and pollutant: with 1-10m
3Actual river is not subjected to the test water of accidental pollution section, pour in the experimental tank, according to the actual feature pollutant may reach in the section maximum concentration value and the ambient water quality standard value of this pollutant polluted, prepare this feature pollutant in the river possible maximum concentration in experimental tank water;
5) absorption of pollutant is eliminated: will be loaded on the packed sorbing material of braiding, and drift along in experimental tank, and detect the concentration of experimental tank water pollutant behind the initial concentration of feature pollutant in the water and the on-test 1-10h respectively; Find out the adsorption equilibrium time of the test material adsorpting characteristic pollutant of all kinds of different proportionings, water pollutant is eliminated and is reached the ambient water quality standard value with the interior elimination time, the consumption of sorbing material, combination of materials ratio and material adsorb key pollutants elimination disposal technology parameters such as replacing time in water, determine the emergent removing method of feature fast.
Referring to Fig. 2, the described emergency river characteristic pollutant of the embodiment of the invention is eliminated experimental tank, comprises tank main body 1, water-inflow and drain valve 2 and stirrer 3.
Described tank main body 1 is made of the framework 4 of test with steel or high-molecular organic material.
Described water-inflow and drain valve 3 is provided with several, and described water-inflow and drain valve 3 is located at the experimental tank bottom.
Claims (8)
1. an emergency river characteristic pollutant is eliminated test method, it is characterized in that: be treatment pond with the experimental tank, simulate actual water flow process, by dropping into the selection sorbing material in the experimental tank, pollutant in the experimental tank is adsorbed, detect in the tank in the test water sample in the initial concentration of pollutant and process of the test and/or the concentration after the test, simulate under the actual flow condition the characterization of adsorption of the pollutant in the experimental tank to determine sorbing material, may further comprise the steps:
(1) determining of sorbing material use amount: according to main hydrological environment feature flow velocity, flow, the pollution water yield, the average river course depth of water and cross-sectional width, water temperature, water dissolved oxygen DO, main biological species and the density conditions thereof in the river of getting dirty, calculate and determine the sorbing material use amount;
(2) selection of sorbing material and processing: according to the hydrological environment feature of pollutant characteristic and polluted river, select sorbing material for use, the sorbing material of selecting for use is handled, the material with water and processing mixes then, it is loaded in woven bag or the gauze bag again;
(3) calculating and the setting of concrete test parameters: as required experimental tank is modeled as dynamic or static two analoglikes test and studies, according to the hydrological environment feature of pollutant characteristic and sudden polluted river, calculate actual tests water yield feature pollutant input concentration in the experimental tank;
(4) configuration of the preparation of test water and pollutant: the test water that actual river is not subjected to the accidental pollution section, pour in the experimental tank, according to the actual feature pollutant may reach in the section maximum concentration value and the ambient water quality standard value of this pollutant polluted, prepare this feature pollutant in the river possible maximum concentration in experimental tank water;
(5) absorption of pollutant is eliminated: will be loaded on the sorbing material in the woven bag, drift along in experimental tank, detect in the initial concentration of feature pollutant in the water and the process of the test respectively and/or the concentration of test back experimental tank water pollutant, find out key pollutants and eliminate the disposal technology parameter, determine the emergent removing method of feature fast, described key pollutants is eliminated the disposal technology parameter and is comprised: the adsorption equilibrium time of the test material adsorpting characteristic pollutant of all kinds of different proportionings, water pollutant is eliminated and is reached the ambient water quality standard value with the interior elimination time, the consumption of sorbing material, combination of materials ratio and material adsorb the replacing time in water.
2. emergency river characteristic pollutant as claimed in claim 1 is eliminated test method, it is characterized in that: be provided with several water-inflow and drain valves and stirrer in the described experimental tank, be used for the test water sample of experimental tank is modeled as static state or dynamic.
3. emergency river characteristic pollutant as claimed in claim 2 is eliminated test method, and it is characterized in that: described water-inflow and drain valve is controlled into water discharge with water pump.
4. emergency river characteristic pollutant as claimed in claim 3 is eliminated test method, and it is characterized in that: the water yield of described test water sample is 1-10m
3, temperature is 0-40 ℃, described pump capacity is 0.5-10L/min.
5. emergency river characteristic pollutant as claimed in claim 4 is eliminated test method, and it is characterized in that: described stirrer capacity is 1-100L, and described stirrer stirred single test water every 5-30 minute, stirred 1-2min at every turn.
6. eliminate test methods as claim 1,2,3,4 or 5 described emergency river characteristic pollutants, it is characterized in that: the aperture of described woven bag is less than 1-10cm or 20-200 mesh sieve, described bag weaved heavy be 1-10kg, 1-16h can drift along in water.
7. emergency river characteristic pollutant as claimed in claim 6 is eliminated test method, and it is characterized in that: described selection sorbing material is that activated charcoal, plant ash, crop material and lime stone are according to the combination of different proportion.
8. emergency river characteristic pollutant as claimed in claim 7 is eliminated test method, and it is characterized in that: described selection sorbing material is treated to 1-10cm or 20-200 mesh sieve earlier, and the weight proportion of then material of water and processing being pressed 10-500:1 mixes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910079778 CN101498707B (en) | 2009-03-11 | 2009-03-11 | Test method and water channel for emergency river characteristic pollutant elimination |
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| CN 200910079778 CN101498707B (en) | 2009-03-11 | 2009-03-11 | Test method and water channel for emergency river characteristic pollutant elimination |
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| CN101498707A CN101498707A (en) | 2009-08-05 |
| CN101498707B true CN101498707B (en) | 2013-08-21 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344435A (en) * | 2018-02-09 | 2018-07-31 | 杜勉 | A kind of novel contamination accident emergency monitoring device |
| CN108180932B (en) * | 2018-02-09 | 2018-12-18 | 浙江华港染织集团有限公司 | A kind of contamination accident emergency monitoring device |
| CN109292891A (en) * | 2018-11-22 | 2019-02-01 | 中国地质大学（武汉） | A kind of activated adoption blanket and its application method handling polluted-water |
| CN115043447B (en) * | 2022-05-20 | 2023-08-29 | 广东粤壮园林建设有限公司 | Water body treatment construction maintenance system and method |
| CN115015516B (en) * | 2022-08-08 | 2022-10-25 | 中海油能源发展股份有限公司采油服务分公司 | Ship-type water resource environment restoration and treatment method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101021978A (en) * | 2007-03-26 | 2007-08-22 | 大连理工大学 | In-ice pollutant action physical simulating device and method in pollution water body freeze-thawing process |
| KR20080041933A (en) * | 2006-11-08 | 2008-05-14 | 재단법인서울대학교산학협력재단 | Simulation method of instantaneous injection for numerical simulation of pollutant mixing in the river |
| CN101289255A (en) * | 2007-04-18 | 2008-10-22 | 南开大学 | Reactive barrier technology for high-efficiency repairing organic pollution deposit in water |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080041933A (en) * | 2006-11-08 | 2008-05-14 | 재단법인서울대학교산학협력재단 | Simulation method of instantaneous injection for numerical simulation of pollutant mixing in the river |
| CN101021978A (en) * | 2007-03-26 | 2007-08-22 | 大连理工大学 | In-ice pollutant action physical simulating device and method in pollution water body freeze-thawing process |
| CN101289255A (en) * | 2007-04-18 | 2008-10-22 | 南开大学 | Reactive barrier technology for high-efficiency repairing organic pollution deposit in water |
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Granted publication date: 20130821 Termination date: 20140311 |