CN212174755U - Leaching complete equipment for rapidly treating sandy polluted bottom mud - Google Patents
Leaching complete equipment for rapidly treating sandy polluted bottom mud Download PDFInfo
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- CN212174755U CN212174755U CN202020486726.1U CN202020486726U CN212174755U CN 212174755 U CN212174755 U CN 212174755U CN 202020486726 U CN202020486726 U CN 202020486726U CN 212174755 U CN212174755 U CN 212174755U
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Abstract
The utility model discloses a drip washing complete sets of rapid processing sand pollution bed mud, including feeder, cylinder sand washer, spiral classifier, agitator tank, shale shaker, mud-water separator and geotechnological piping bag, feeder, cylinder sand washer, spiral classifier, agitator tank, shale shaker, mud-water separator and geotechnological piping bag connect gradually. Has the advantages that: the polluted bottom mud is screened and graded by 5 grades, and the treatment effect is good; eluting the pollutants adsorbed on the surface of the polluted bottom mud by using water or a chemical agent as an eluting agent; the agent mixing device can realize the treatment of the eluting agent and realize the recycling of the eluting agent; the bottom mud is dehydrated by adopting the geotextile tube bag, so that the method is simple and convenient, low in manufacturing cost, high in treatment capacity and high in treatment efficiency; the leaching complete equipment can treat the sand bottom mud polluted by heavy metal and organic matters simultaneously, and has good applicability.
Description
Technical Field
The utility model relates to a pollutant processing technology field, concretely relates to drip washing complete sets of rapid processing sand pollution bed mud.
Background
The polluted bottom mud refers to polluted bottom mud deposited at the bottom of water bodies such as riverways, lakes and the like. The bottom mud is the sediment of watercourses, lakes and other water bodies and is an important component of natural water bodies. Over time, the bottom mud can slowly silt at the bottom of the water body, pollutants in the water body can be stored in the bottom mud through precipitation or particle adsorption, and under proper conditions, the pollutants in the bottom mud can be released again to become a secondary pollution source, so the bottom mud is called as polluted bottom mud.
At present, the pollutants polluting the bottom mud are mainly divided into two types: heavy metal pollution and organic matter pollution, the heavy metal pollution bottom mud can be treated by a chemical leaching or solidification/stabilization technology, and the organic matter pollution bottom mud can be treated by a chemical leaching or chemical oxidation technology. The chemical leaching technology can meet the requirement of removing two pollutants, and mainly utilizes water or other leaching agents to separate components of heavily polluted soil through the actions of screening, chelating, precipitating and the like, transfer the pollutants in the soil to a liquid phase and small particles, and then treat the liquid phase and the small particles containing the pollutants to realize the treatment of the pollutants, but applicable materials of the leaching technology need to meet certain particle size requirements, heavy metals, semi-volatile organic pollutants and nonvolatile organic pollutants can be treated through ex-situ elution (ex-situ leaching) according to 15 technical detailed introductions in the name of polluted site remediation technology (first batch), and the leaching technology is not suitable for soil with the content of fine particles (sticky/powder particles) of the soil higher than 25 percent, so the leaching technology is mainly used for the reduction treatment of the sediment polluted by the sands. However, at present, because the treatment efficiency of the dehydration unit is limited, the equipment on the market has the problems of small treatment capacity, high manufacturing cost, large occupied area of equipment with large treatment capacity and complex leacheate treatment system, and in order to solve the problems, the invention provides leaching complete equipment for simply, conveniently and quickly treating the sandy polluted bottom mud, which can improve the treatment efficiency of the sandy polluted bottom mud and save the equipment cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides leaching complete equipment for rapidly treating sandy polluted bottom mud, and has the advantages that the polluted bottom mud is screened by 5 grades and treated by stages, and the treatment effect is good; eluting the pollutants adsorbed on the surface of the polluted bottom mud by using water or a chemical agent as an eluting agent; the agent mixing device can realize the treatment of the eluting agent and realize the recycling of the eluting agent; the bottom mud is dehydrated by adopting the geotextile tube bag, so that the method is simple and convenient, low in manufacturing cost, high in treatment capacity and high in treatment efficiency; the leaching complete equipment can treat the sand bottom mud polluted by heavy metal and organic matters simultaneously, and has good applicability.
The purpose of the utility model is achieved through the following technical measures: the utility model provides a drip washing complete sets of rapid processing sandy pollution bed mud, includes feeder, cylinder sand washer, spiral classifier, agitator tank, vibration isolation device and geotechnological piping bag, feeder, cylinder sand washer, spiral classifier, agitator tank, vibration isolation device and geotechnological piping bag connect gradually, vibration isolation device includes shale shaker and mud-water separator, the one end and the agitator tank of shale shaker are connected, the other end and the mud-water separator of shale shaker are connected.
Furthermore, the eluent added by the complete leaching equipment for rapidly treating the sandy polluted bottom mud is water or a chemical agent, and the eluent is added into the roller sand washer through an external pipeline.
Furthermore, drip washing complete sets of rapid processing sand pollutes bed mud includes medicament mixing arrangement, and medicament mixing arrangement establishes the entry end at the geotechnological piping bag, medicament mixing arrangement is used for the eluent to handle.
Furthermore, drip washing complete sets that handles sand pollution bed mud fast includes the holding vessel, the holding vessel is used for the storage of the back drench lotion through geotechnological pipe bag dehydration, and the holding vessel is connected with the cylinder sand washer.
Further, feeder equipment includes the grid, hopper and conveyor belt, the grid, hopper and conveyor belt connect gradually, and conveyor belt's discharge end and cylinder sand washer are connected, and the grid will be greater than the granule removal of 15cm particle size.
Further, the roller sand washer removes particles with a particle size larger than 5 mm.
Further, the spiral classifier removes particles having a particle size of more than 0.5 mm.
Further, the stirring time of the stirring tank is 30-60 min.
Further, the vibrating screen removes particles larger than 0.25mm in size.
Further, the mud-water separator removes particles with a particle size of more than 0.075 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the leaching complete equipment for rapidly treating the sandy polluted bottom mud performs 5-level screening and grading treatment on the polluted bottom mud, and has good treatment effect; eluting the pollutants adsorbed on the surface of the polluted bottom mud by using water or a chemical agent as an eluting agent; the agent mixing device can realize the treatment of the eluting agent and realize the recycling of the eluting agent; the bottom mud is dehydrated by adopting the geotextile tube bag, so that the method is simple and convenient, low in manufacturing cost, high in treatment capacity and high in treatment efficiency; the leaching complete equipment can treat the sand bottom mud polluted by heavy metal and organic matters simultaneously, and has good applicability.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The system comprises a feeding hopper 1, a conveying belt 2, a roller sand washer 3, a spiral classifier 4, a stirring tank 5, a vibrating screen 6, a first temporary storage tank 7, a mud-water separator 8, a second temporary storage tank 9, a medicament mixing device 10, a soil engineering pipe bag 11 and a storage tank 12.
Detailed Description
As shown in fig. 1, a leaching complete equipment for rapidly treating sandy polluted bottom mud comprises a feeding device, a roller sand washer 3, a spiral classifier 4, a stirring tank 5, a vibration separation device and a soil engineering pipe bag 11, wherein the feeding device, the roller sand washer 3, the spiral classifier 4, the stirring tank 5, the vibration separation device and the soil engineering pipe bag 11 are sequentially connected, and the soil engineering pipe bag 11 is adopted for dehydrating the bottom mud, so that the leaching complete equipment is simple and convenient, low in manufacturing cost, high in treatment capacity and high in treatment efficiency; the vibration separation device comprises a vibration sieve 6 and a mud-water separator 8, one end of the vibration sieve 6 is connected with the stirring tank 5, and the other end of the vibration sieve 6 is connected with the mud-water separator 8. The leaching complete equipment has the advantages that the leaching complete equipment can be used for independently treating the sand bottom mud polluted by heavy metals or organic matters and is also suitable for simultaneously treating the heavy metals or the organic matters, the leaching complete equipment is good in applicability, strong in treatment capacity, good in treatment effect, high in dehydration efficiency and capable of saving leaching agents.
The leaching agent added to the leaching complete equipment for rapidly treating the sandy polluted bottom mud is water or a chemical agent, and the leaching agent is added into the roller sand washer 3 through an external pipeline.
Drip washing complete sets of rapid processing sand pollution bed mud includes medicament mixing arrangement 10, and medicament mixing arrangement 10 is established at the entry end of geotechnological pipe bag 11, medicament mixing arrangement 10 is used for the eluent to handle. Drip washing complete sets that rapid processing sand pollutes bed mud includes holding vessel 12, holding vessel 12 is used for the storage of the lotion of drenching after 11 dehydration of geotechnological pipe bag, and holding vessel 12 is connected with cylinder sand washer 3, realizes the cyclic use of lotion.
The feeding device comprises a grid, a feeding hopper 1 and a conveying belt 2, wherein the grid, the feeding hopper 1 and the conveying belt 2 are sequentially connected, the discharge end of the conveying belt 2 is connected with a roller sand washer 3, and particles with the particle size larger than 15cm are removed by the grid. The roller sand washer 3 removes particles having a particle size of more than 5 mm. The spiral classifier 4 removes particles having a particle size of more than 0.5 mm. The vibrating screen 6 removes particles having a particle size of more than 0.25 mm. The mud-water separator 8 removes particles with a particle size of more than 0.075 mm. 5-level separation of polluted bottom mud is realized through the grating, the roller sand washer 3, the spiral classifier 4, the vibrating screen 6 and the mud-water separator 8, and the classification is separated layer by layer, so that the treatment is more facilitated.
The stirring time of the stirring tank 5 is 30-60 min.
The working principle is as follows: pollute the bed mud and transport to handling the place through transport vehicle, the large granule that will be greater than 15cm through the grid sieves away, pollute the bed mud and pack into hopper 1 by the loader, hopper 1 links to each other with conveyor belt 2, carry the bed mud to cylinder sand washer 3 with polluting, add inside cylinder sand washer 3 with eluent (water or chemical) through external pipeline, pollute the bed mud and mix the formation mud in cylinder sand washer 3 with eluent, then sieve the large granule (the particle diameter > 5mm) through cylinder sand washer 3 screen cloth and sieve away, carry to the point of stacking, carry out resource utilization after detecting qualified.
The method comprises the following steps that residual slurry after screening of a roller sand washer enters a spiral classifier 4, particles with the particle size larger than 0.5mm in the slurry are removed by the spiral classifier 4, the slurry is further classified, the residual slurry after treatment of the spiral classifier 4 enters a stirring tank 5, the stirring tank 5 is provided with a stirrer and is stirred for 30-60min, the slurry can be fully stirred, mixed and cleaned, and the slurry in the stirring tank 5 is conveyed to a vibration separation device through a pump.
The vibration separation device mainly comprises a vibration sieve 6 and a mud-water separator 8, mud firstly enters the vibration sieve 6, particles with the particle size larger than 0.25mm are removed through the sieving of the vibration sieve 6, and the residual mud enters a first temporary storage tank 7 for temporary storage and then is conveyed to the mud-water separator 8 through a pump. After being treated by the mud-water separator 8, the mud with the diameter less than 75 mu m enters a second temporary storage tank 9 for temporary storage and is conveyed to a soil engineering pipe bag 11 by a pump for dewatering and volume reduction; and (4) screening and removing solids larger than 75 micrometers, conveying the screened solids to a stacking point, and performing resource utilization after the screened solids are qualified through detection. And a slurry discharge pipeline with the diameter less than 75 mu m is provided with a medicament mixing device 10, the slurry enters the medicament mixing device 10 through a pump, the slurry fully reacts with medicaments such as a control medicament, a mixed flocculant and the like in the medicament mixing device 10, and then enters the geotechnical pipe bag 11 for dehydration treatment.
The slurry after multi-stage screening enters the soil engineering pipe bag 11 for solid-liquid separation, the dehydrated solid is further treated (such as solidification/stabilization operation), and the separated leacheate is recycled.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a drip washing complete sets of rapid processing sand pollution bed mud which characterized in that: including feeder, cylinder sand washer, spiral classifier, agitator tank, vibration isolation device and geotechnological pipe bag, feeder, cylinder sand washer, spiral classifier, agitator tank, vibration isolation device and geotechnological pipe bag connect gradually, vibration isolation device includes shale shaker and mud-water separator, the one end and the agitator tank of shale shaker are connected, the other end and the mud-water separator of shale shaker are connected.
2. The leaching plant for the rapid treatment of sandy contaminated bottom mud as claimed in claim 1, wherein: the leaching agent added to the leaching complete equipment for rapidly treating the sandy polluted bottom mud is water or a chemical agent, and the leaching agent is added into the roller sand washer through an external pipeline.
3. The leaching plant for the rapid treatment of sandy contaminated bottom mud as claimed in claim 1, wherein: drip washing complete sets that rapid processing sand pollutes bed mud includes medicament mixing arrangement, and medicament mixing arrangement establishes the entry end at the geotechnological piping bag, medicament mixing arrangement is used for the eluent to handle.
4. The leaching plant for the rapid treatment of sandy contaminated bottom mud as claimed in claim 1, wherein: drip washing complete sets that rapid processing sand pollutes bed mud includes the holding vessel, the holding vessel is used for drenching the storage of lotion behind the geotechnological pipe bag dehydration, and the holding vessel is connected with cylinder sand washer.
5. The leaching plant for the rapid treatment of sandy contaminated bottom mud as claimed in claim 1, wherein: the feeding device comprises a grid, a feeding hopper and a conveying belt, the grid, the feeding hopper and the conveying belt are sequentially connected, the discharge end of the conveying belt is connected with the roller sand washer, and particles with the particle size larger than 15cm are removed through the grid.
6. The leaching plant for the rapid treatment of sandy contaminated bottom mud as claimed in claim 1, wherein: the roller sand washer removes particles with the particle size larger than 5 mm.
7. The leaching plant for the rapid treatment of sandy contaminated bottom mud as claimed in claim 1, wherein: the spiral classifier removes particles with a particle size of more than 0.5 mm.
8. The leaching plant for the rapid treatment of sandy contaminated bottom mud as claimed in claim 1, wherein: the stirring time of the stirring tank is 30-60 min.
9. The leaching plant for the rapid treatment of sandy contaminated bottom mud as claimed in claim 1, wherein: the vibrating screen removes particles with a particle size larger than 0.25 mm.
10. The leaching plant for the rapid treatment of sandy contaminated bottom mud as claimed in claim 1, wherein: the mud-water separator removes particles with the particle size of more than 0.075 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020486726.1U CN212174755U (en) | 2020-04-03 | 2020-04-03 | Leaching complete equipment for rapidly treating sandy polluted bottom mud |
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| CN202020486726.1U CN212174755U (en) | 2020-04-03 | 2020-04-03 | Leaching complete equipment for rapidly treating sandy polluted bottom mud |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182340A (en) * | 2021-05-27 | 2021-07-30 | 郑州德森环境科技有限公司 | Skid-mounted soil remediation scrubbing production line |
| CN113603322A (en) * | 2021-09-03 | 2021-11-05 | 中铁十八局集团第五工程有限公司 | Slurry treatment method based on flocculation combined geotechnical pipe bag method |
| CN114682619A (en) * | 2022-04-13 | 2022-07-01 | 郑州德森环境科技有限公司 | Soil leaching integrated type modular heavy metal contaminated soil treatment system |
| CN115401063A (en) * | 2021-05-27 | 2022-11-29 | 郑州德森环境科技有限公司 | Automatic soil leaching system |
-
2020
- 2020-04-03 CN CN202020486726.1U patent/CN212174755U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182340A (en) * | 2021-05-27 | 2021-07-30 | 郑州德森环境科技有限公司 | Skid-mounted soil remediation scrubbing production line |
| CN115401063A (en) * | 2021-05-27 | 2022-11-29 | 郑州德森环境科技有限公司 | Automatic soil leaching system |
| CN113603322A (en) * | 2021-09-03 | 2021-11-05 | 中铁十八局集团第五工程有限公司 | Slurry treatment method based on flocculation combined geotechnical pipe bag method |
| CN114682619A (en) * | 2022-04-13 | 2022-07-01 | 郑州德森环境科技有限公司 | Soil leaching integrated type modular heavy metal contaminated soil treatment system |
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