CN203664353U - Compound polluted soil treatment equipment - Google Patents

Compound polluted soil treatment equipment Download PDF

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Publication number
CN203664353U
CN203664353U CN201320891131.4U CN201320891131U CN203664353U CN 203664353 U CN203664353 U CN 203664353U CN 201320891131 U CN201320891131 U CN 201320891131U CN 203664353 U CN203664353 U CN 203664353U
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China
Prior art keywords
pipeline
soil
combined contamination
treatment facility
pump
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CN201320891131.4U
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Chinese (zh)
Inventor
丁国玉
肖杰
张斌
万正茂
潘旭
邹卉
王旻
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Yaoang Environmental Technology (Jiangsu) Co.,Ltd.
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In New Suzhou Industrial Park Qing Cheng Environmental Development Co Ltd
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Priority to CN201320876425.X priority
Application filed by In New Suzhou Industrial Park Qing Cheng Environmental Development Co Ltd filed Critical In New Suzhou Industrial Park Qing Cheng Environmental Development Co Ltd
Priority to CN201320891131.4U priority patent/CN203664353U/en
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Abstract

The utility model discloses compound polluted soil treatment equipment which comprises a leaching mechanism, an oxidation mechanism and a solidification stabilization mechanism, wherein the leaching mechanism comprises a leaching tank used for leaching and remedying compound polluted soil, and a first vibration sieve used for receiving soil output by the leaching tank and vibrating the soil to sort the soil into coarse gravel sand of more than 2 mm and silt of less than 2 mm; the oxidation mechanism comprises an oxidation pond used for receiving and oxidizing the silt of less than 2 mm output by the first vibration sieve, a second hydrocyclone used for sorting the oxidized silt into fine sand of 0.075 mm to 2 mm and mud, a settling pond connected with a mud output hole in the upper part of the second hydrocyclone through a pipeline with a seventh pump, and a pressure filter which is connected with an output hole of the settling pond through a pipeline with an eighth pump and used for dewatering the mud. The compound polluted soil treatment equipment is integrated treatment equipment capable of leaching, oxidizing and stabilizing the compound polluted soil, and can be used for removing heavy metal and organic pollutants from the polluted soil at the same time.

Description

The treatment facility of combined contamination soil
Technical field
The utility model belongs to soil pollution and administers field, relates in particular to the treatment facility of combined contamination soil.
Background technology
Accelerate and the enforcement of policy " is moved back two and entered three " in city along with the process of China's industrialization urbanization, lower a large amount of contaminated site is left in the resettlement of contaminated industry enterprise, also hinders urban construction and local economic development when threatening environmental ecology and public health.Therefore the reparation of contaminated site soil is become to problem demanding prompt solution.
China's contaminated site situation complexity, heavy metal-organic matter combined pollution ubiquity, for example, just contain heavy metal and multiring aromatic hydrocarbon substance simultaneously in the soil of discarded coke-oven plant.There is larger difference in the physicochemical property of heavy metal and organic pollution, therefore adopts single recovery technique to be difficult to reach expection and repair target.And existing soil remediation equipment mostly is the tupe based on monotechnics, as: Soil leaching equipment, thermal desorption equipment, steam extractor, curing/stabilizing equipment etc., be difficult to effectively process combined contamination soil.
Utility model content
The technical problems to be solved in the utility model is to provide a kind for the treatment of facility of combined contamination soil.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind for the treatment of facility of combined contamination soil, comprise drip washing mechanism, described drip washing mechanism comprises that for to the drip washing groove that is subject to combined contamination soil drip washing reparation, for receiving the soil of described drip washing groove output and vibration is divided into more than 2mm gravel rough sand and the first vibratory sieve of silt that is less than 2mm to soil, the treatment facility of described combined contamination soil also comprises:
Oxygenation machanism, described oxygenation machanism comprise oxidation pond that the silt that is less than 2mm for receiving the first described vibratory sieve output is oxidized, for to carry out silt after peroxidating be divided into the fine sand of 0.075mm ~ 2mm and the second hydrocyclone of mud, sedimentation basin with the mud delivery outlet on described the second hydrocyclone top by being provided with the pipeline of the 7th pump and being connected, with the delivery outlet of described sedimentation basin by be provided with that the pipeline of the 8th pump is connected for the filter press to slurry dewatering;
Solidify stabilizing mechanism, described curing stabilizing mechanism comprise be connected by pipeline with described filter press for receiving the solidification and stabilization reaction tank of the silt after dehydration.
In some embodiments, described drip washing mechanism also comprises for receiving by gravel the rough sand more than 2mm of the first described vibratory sieve output the first washing pool to its cleaning, for receiving by the second vibratory sieve gravel rough sand and to its filtration the more than 2mm of the first described washing pool output, for receiving gravel the rough sand more than 2mm after being filtered by the second described vibratory sieve the second conveyer belt that it is transported, on the second described vibratory sieve, there is waste water delivery outlet, between described waste water delivery outlet and the first described vibratory sieve, be connected by the pipeline that is provided with the 6th pump.
In some further embodiment, described oxygenation machanism also comprises with the delivery outlet of described oxidation pond the first hydrocyclone by being provided with the pipeline of the 3rd pump and being connected, for receiving second washing pool of silt of the first described hydrocyclone output, the delivery outlet of the second described washing pool is connected with the second described hydrocyclone by the pipeline that is provided with the 5th pump, the top of the first described hydrocyclone has oxidant refluxing opening, and described oxidant refluxing opening is connected by pipeline with described oxidation pond.
At some, more further in embodiment, the treatment facility of described combined contamination soil also comprises water tank, between the first described washing pool, the second described washing pool and described water tank, is connected by the pipeline that is provided with the 4th pump.
In some embodiments, the treatment facility of described combined contamination soil also comprises and charger that aperture is the diagrid of 50mm is housed, is arranged at the first conveyer belt between the delivery outlet of described charger and the input port of described drip washing groove.
In some embodiments, described drip washing mechanism also comprises the eluent storage tank being connected with described drip washing groove by pipeline, is provided with the first pump on this pipeline.
In some embodiments, the first described vibratory sieve is can be being subject to combined contamination soil to be divided into the gravel of 25mm ~ 50mm, rough sand and the combination vibration sieve that is less than 2mm silt of 2mm ~ 25mm.
In some embodiments, described oxygenation machanism also comprises the oxidant storage tank being connected with described oxidation pond by pipeline, is provided with the second pump on this pipeline.
In some embodiments, on described filter press, be connected with wastewater collection tank by pipeline.
In some embodiments, described combined contamination soil is the soil that crossed by heavy metal-organic matter combined pollution.
" reception " wherein relating to, can be to be realized and being received by pipeline and previous equipment connection, can be also the delivery outlet realization reception that faces toward previous equipment by input port.
Scope of the present utility model, is not limited to the technical scheme that the particular combinations of above-mentioned technical characterictic forms, and also should contain by above-mentioned technical characterictic or its equivalent feature and be combined and other technical scheme of forming simultaneously.The technical characterictic that such as, in above-mentioned feature and the application disclosed (but being not limited to) has a similar functions is replaced mutually and technical scheme of forming etc.
Because technique scheme is used, the utility model compared with prior art has following advantages: the utility model provides one can carry out to combined contamination soil the integrated treatment facility of " drip washing-oxidation-stabilisation ", can remove heavy metal and organic pollution in combined contamination soil.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is workflow schematic diagram of the present utility model;
Wherein: 1, charger; 21, the first conveyer belt; 22, the second conveyer belt; 3, drip washing groove; 41, eluent storage tank; 42, oxidant storage tank; 43, water tank; 51, the first vibratory sieve; 52, the second vibratory sieve; 61, the first washing pool; 62, the second washing pool; 7, oxidation pond; 81, the first hydrocyclone; 82, the second hydrocyclone; 9, sedimentation basin; 10, filter press; 11, wastewater collection tank; 12, solidification and stabilization reaction tank; 131, the first pump; 132, the second pump; 133, the 3rd pump; 134, the 4th pump; 135, the 5th pump; 136, the 6th pump; 137, the 7th pump; 138, the 8th pump.
Detailed description of the invention
As shown in Figure 1, a kind for the treatment of facility of combined contamination soil, comprise drip washing mechanism, drip washing mechanism comprise for to be subject to combined contamination soil drip washing repair drip washing groove 3, for receiving soil that drip washing groove 3 exports and vibration is divided into more than 2mm gravel rough sand and the first vibratory sieve 51 of silt that is less than 2mm to soil, drip washing mechanism also comprises for receiving gravel the rough sand more than 2mm being exported by the first vibratory sieve 51 the first washing pool 61 to its cleaning, for receiving the second vibratory sieve 52 gravel rough sand and to its filtration the more than 2mm being exported by the first washing pool 61, for receiving gravel the rough sand more than 2mm after being filtered by the second vibratory sieve 52 the second conveyer belt 22 that it is transported, on the second vibratory sieve 52, there is waste water delivery outlet, between waste water delivery outlet and the first vibratory sieve 51, be connected by the pipeline that is provided with the 6th pump 136.
The treatment facility of combined contamination soil also comprises:
Oxygenation machanism, oxygenation machanism comprise for receive oxidation pond 7 that the silt that is less than 2mm that the first vibratory sieve 51 exports is oxidized, for to carry out silt after peroxidating be divided into the fine sand of 0.075mm ~ 2mm and the second hydrocyclone 82 of mud, sedimentation basin 9 with the mud delivery outlet on the second hydrocyclone 82 tops by being provided with the pipeline of the 7th pump 137 and being connected, with the delivery outlet of sedimentation basin 9 by be provided with that the pipeline of the 8th pump 138 is connected for the filter press 10 to slurry dewatering;
Solidify stabilizing mechanism, curing stabilizing mechanism comprise be connected by pipeline with filter press 10 for receiving the solidification and stabilization reaction tank 12 of the silt after dehydration.
The silt that is less than 2mm of exporting for autoxidation pond 7, can directly be divided into fine sand and the mud of 0.075mm ~ 2mm by the second hydrocyclone 82.But in the present embodiment, oxygenation machanism also comprises the first hydrocyclone 81 being connected by being provided with the pipeline of the 3rd pump 133 with the delivery outlet of oxidation pond 7, for receiving the second washing pool 62 of the silt that the first hydrocyclone 81 exports, the delivery outlet of the second washing pool 62 is connected with the second hydrocyclone 82 by the pipeline that is provided with the 5th pump 135, the top of the first hydrocyclone 81 has oxidant refluxing opening, oxidant refluxing opening is connected by pipeline with oxidation pond 7, thereby the partial oxidation agent comprising in the silt that is less than 2mm that autoxidation pond 7 is exported can be reclaimed.
The treatment facility of combined contamination soil also comprises as required between water tank 43, the first washing pools 61, the second washing pool 62 and the water tank 43 that the first washing pool 61 and the second washing pool 62 are added water and being connected by the pipeline that is provided with the 4th pump 134.
The treatment facility of combined contamination soil also comprises the first conveyer belt 21 being equipped with between the charger 1 that aperture is the diagrid of 50mm, the delivery outlet that is arranged at charger 1 and the input port of drip washing groove 3.Can remove stone and impurity that particle diameter is greater than 50 mm, avoid equipment to cause damage.
Drip washing mechanism also comprises the eluent storage tank 41 being connected with drip washing groove 3 by pipeline, is provided with the first pump 131 on this pipeline.A certain proportion of eluent can be injected to drip washing groove.
The first vibratory sieve 51 is can be being subject to combined contamination soil to be divided into the gravel of 25mm ~ 50mm, rough sand and the combination vibration sieve that is less than 2mm silt of 2mm ~ 25mm.
Described oxygenation machanism also comprises the oxidant storage tank 42 being connected with oxidation pond 7 by pipeline, is provided with the second pump 132 on this pipeline.A certain proportion of oxidant can be injected to drip washing groove.
On filter press 10, be connected with wastewater collection tank 11 by pipeline.
The soil of combined pollution is the soil that crossed by heavy metal-organic matter combined pollution.
The use procedure of this equipment, as shown in accompanying drawing 1, accompanying drawing 2, is subject to combined contamination soil by charger 1 access arrangement, after soil is the diagrid of 50 mm by aperture, enters drip washing groove 3 by charger 1 below outlet by the first conveyer belt 21.On the market drip washing groove 3 have multiple, as two rotating shaft blade type drip washing grooves 3.Be subject to combined contamination soil to enter the first vibratory sieve 51 by drip washing groove 3 delivery outlets.The first vibratory sieve 51 is made up of two-stage Wet oscillating screen, and diagrid aperture is respectively 25 and 2 mm, and being used for respectively sieving out particle diameter is the coarse sand of 2 ~ 25 mm at gravel and the particle diameter of 25 ~ 50 mm.
Gravel and coarse sand enter the first washing pool 61 by the first vibratory sieve 51 top outlets, clear water pumps into the first washing pool 61 by pipeline by water pump, after cleaning, enter the second vibratory sieve 52 by washing pool 1 outlet, the waste water pump that filtration obtains is got back to Combined vibrating screen and is recycled, the gravel and the coarse sand that are retained down are transported by conveyer, can direct reuse.
What the first vibratory sieve 51 was exported is less than 2mm silt, enters oxidation pond 7 through the first vibratory sieve 51 lower part outlets.Oxidant is pumped via pipes into oxidation pond 7 by oxidant storage tank, silt after oxidation enters the first hydrocyclone 81 through pump, small size particle and water that the first hydrocyclone 81 tops obtain are back to oxidation pond, the particle diameter that flow out below is that 0.075 ~ 2 mm fine sand enters the second washing pool 62, after the second washing pool 62, pumping into the second hydrocyclone 82 through the 5th pump 135 is connected, the second hydrocyclone 82 belows are output as the fine sand of 0.075 ~ 2 mm processing, can direct reuse.
The mud of the second hydrocyclone 82 top outputs enters sedimentation basin 9, drop into flocculant simultaneously, the sediment obtaining enters filter press 10, after dehydration, enter solidification and stabilization reaction tank 12, the solid product that solidification and stabilization obtains can do reuse or safe disposal according to its pollutant levels, waste water is collected by effluent storage tank, then focuses on.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.

Claims (10)

1. the treatment facility of a combined contamination soil, comprise drip washing mechanism, it is characterized in that: described drip washing mechanism comprises that for to the drip washing groove (3) that repaired by combined contamination soil drip washing, for receiving the soil of described drip washing groove (3) output and vibration is divided into more than 2mm gravel rough sand and first vibratory sieve (51) of silt that is less than 2mm to soil, the treatment facility of described combined contamination soil also comprises:
Oxygenation machanism, described oxygenation machanism comprises the oxidation pond (7) that the silt that is less than 2mm for receiving described the first vibratory sieve (51) output is oxidized, for silt after carrying out peroxidating is divided into the fine sand of 0.075mm ~ 2mm and second hydrocyclone (82) of mud, the sedimentation basin (9) being connected by being provided with the pipeline of the 7th pump (137) with the mud delivery outlet on described the second hydrocyclone (82) top, with the delivery outlet of described sedimentation basin (9) by be provided with that the pipeline of the 8th pump (138) is connected for the filter press to slurry dewatering (10),
Solidify stabilizing mechanism, described curing stabilizing mechanism comprise be connected by pipeline with described filter press (10) for receiving the solidification and stabilization reaction tank (12) of the silt after dehydration.
2. the treatment facility of combined contamination soil according to claim 1, it is characterized in that: described drip washing mechanism also comprises for receiving by gravel the rough sand more than 2mm of described the first vibratory sieve (51) output the first washing pool (61) to its cleaning, for receiving by the second vibratory sieve (52) gravel rough sand and to its filtration the more than 2mm of described the first washing pool (61) output, for receiving gravel the rough sand more than 2mm after being filtered by described the second vibratory sieve (52) the second conveyer belt (22) that it is transported, on described the second vibratory sieve (52), there is waste water delivery outlet, between described waste water delivery outlet and described the first vibratory sieve (51), be connected by the pipeline that is provided with the 6th pump (136).
3. the treatment facility of combined contamination soil according to claim 2, it is characterized in that: described oxygenation machanism also comprises the first hydrocyclone (81) being connected by being provided with the pipeline of the 3rd pump (133) with the delivery outlet of described oxidation pond (7), second washing pool (62) of the silt of exporting for the first hydrocyclone (81) described in receiving, the delivery outlet of described the second washing pool (62) is connected with described the second hydrocyclone (82) by the pipeline that is provided with the 5th pump (135), the top of described the first hydrocyclone (81) has oxidant refluxing opening, described oxidant refluxing opening is connected by pipeline with described oxidation pond (7).
4. the treatment facility of combined contamination soil according to claim 3, it is characterized in that: the treatment facility of described combined contamination soil also comprises water tank (43), between described the first washing pool (61), described the second washing pool (62) and described water tank (43), be connected by the pipeline that is provided with the 4th pump (134).
5. the treatment facility of combined contamination soil according to claim 1, is characterized in that: the treatment facility of described combined contamination soil also comprises and the charger that aperture is the diagrid of 50mm (1) is housed, is arranged at the first conveyer belt (21) between the delivery outlet of described charger (1) and the input port of described drip washing groove (3).
6. the treatment facility of combined contamination soil according to claim 1, is characterized in that: described drip washing mechanism also comprises by pipeline and the eluent storage tank (41) that described drip washing groove (3) is connected, is provided with the first pump (131) on this pipeline.
7. the treatment facility of combined contamination soil according to claim 1, is characterized in that: described the first vibratory sieve (51) is can be being subject to combined contamination soil to be divided into the gravel of 25mm ~ 50mm, rough sand and the combination vibration sieve that is less than 2mm silt of 2mm ~ 25mm.
8. the treatment facility of combined contamination soil according to claim 1, is characterized in that: described oxygenation machanism also comprises by pipeline and the oxidant storage tank (42) that described oxidation pond (7) is connected, is provided with the second pump (132) on this pipeline.
9. the treatment facility of combined contamination soil according to claim 1, is characterized in that: described filter press (10) is upper is connected with wastewater collection tank (11) by pipeline.
10. the treatment facility of combined contamination soil according to claim 1, is characterized in that: described combined contamination soil is the soil that crossed by heavy metal-organic matter combined pollution.
CN201320891131.4U 2013-12-30 2013-12-31 Compound polluted soil treatment equipment Active CN203664353U (en)

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CN201320876425 2013-12-30
CN201320876425.X 2013-12-30
CN201320891131.4U CN203664353U (en) 2013-12-30 2013-12-31 Compound polluted soil treatment equipment

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475441A (en) * 2014-12-11 2015-04-01 北京建工环境修复股份有限公司 Soil washing restoration system based on reduction concentration design concept and method thereof
CN104646406A (en) * 2015-03-03 2015-05-27 常州大学 All-in-one machine for repairing heavy metal contaminated soil
CN105750316A (en) * 2015-11-24 2016-07-13 北京建工环境修复股份有限公司 Method for washing and remedying soil at different positions in engineering multi-level sieving manner
CN106077062A (en) * 2016-06-30 2016-11-09 华东理工大学 The method that a kind of soil slurry wash desorption and enrichment process
CN106216368A (en) * 2016-07-29 2016-12-14 中国科学院青岛生物能源与过程研究所 A kind of containing Cr6+contaminated soil processing means and method thereof
CN106975652A (en) * 2017-04-17 2017-07-25 北京建工环境修复股份有限公司 A kind of feeding pulping repaired for Soil leaching and classification recovery system
CN107127210A (en) * 2017-04-17 2017-09-05 北京建工环境修复股份有限公司 A kind of Soil leaching repair system and method
JP2018187583A (en) * 2017-05-10 2018-11-29 環テックス株式会社 Muddy water treatment method and device
CN109092881A (en) * 2018-07-25 2018-12-28 上海松沅环境修复技术有限公司 A kind of polycyclic aromatic hydrocarbon-heavy-metal contaminated soil elution device and repair system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104475441A (en) * 2014-12-11 2015-04-01 北京建工环境修复股份有限公司 Soil washing restoration system based on reduction concentration design concept and method thereof
CN104646406A (en) * 2015-03-03 2015-05-27 常州大学 All-in-one machine for repairing heavy metal contaminated soil
CN105750316A (en) * 2015-11-24 2016-07-13 北京建工环境修复股份有限公司 Method for washing and remedying soil at different positions in engineering multi-level sieving manner
CN106077062A (en) * 2016-06-30 2016-11-09 华东理工大学 The method that a kind of soil slurry wash desorption and enrichment process
CN106216368A (en) * 2016-07-29 2016-12-14 中国科学院青岛生物能源与过程研究所 A kind of containing Cr6+contaminated soil processing means and method thereof
CN106216368B (en) * 2016-07-29 2019-10-01 中国科学院青岛生物能源与过程研究所 One kind containing Cr6+Contaminated soil processing unit and its method
CN106975652A (en) * 2017-04-17 2017-07-25 北京建工环境修复股份有限公司 A kind of feeding pulping repaired for Soil leaching and classification recovery system
CN107127210A (en) * 2017-04-17 2017-09-05 北京建工环境修复股份有限公司 A kind of Soil leaching repair system and method
CN106975652B (en) * 2017-04-17 2020-01-10 北京建工环境修复股份有限公司 Be used for prosthetic material loading of soil drip washing to make thick liquid and hierarchical recovery system
JP2018187583A (en) * 2017-05-10 2018-11-29 環テックス株式会社 Muddy water treatment method and device
CN109092881A (en) * 2018-07-25 2018-12-28 上海松沅环境修复技术有限公司 A kind of polycyclic aromatic hydrocarbon-heavy-metal contaminated soil elution device and repair system

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Effective date of registration: 20181219

Address after: Room 2501, Building 15, Yuewan Road, Suzhou Industrial Park, Jiangsu Province

Patentee after: Zhongxin Zhengang Environmental Rehabilitation (Jiangsu) Co., Ltd.

Address before: 215021 Mesozoic-New Eco-Science and Technology City c-115, No. 18 Exhibition Road, Suzhou Industrial Park, Jiangsu Province

Patentee before: In new Suzhou Industrial Park Qing Cheng environmental development Co., Ltd

Effective date of registration: 20181219

Address after: Room 2501, Building 15, Yuewan Road, Suzhou Industrial Park, Jiangsu Province

Patentee after: Zhongxin Zhengang Environmental Rehabilitation (Jiangsu) Co., Ltd.

Address before: 215021 Mesozoic-New Eco-Science and Technology City c-115, No. 18 Exhibition Road, Suzhou Industrial Park, Jiangsu Province

Patentee before: In new Suzhou Industrial Park Qing Cheng environmental development Co., Ltd

CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: Room 2501, Building 15, Yuewan Road, Suzhou Industrial Park, Jiangsu Province

Patentee after: Yaoang Environmental Technology (Jiangsu) Co.,Ltd.

Address before: Room 2501, Building 15, Yuewan Road, Suzhou Industrial Park, Jiangsu Province

Patentee before: ZHONG XIN YAO ANG ENVIRONMENT RESTORATION (JIANGSU) Co.,Ltd.