CN108941189A - A kind of mixed method of adsorbent for heavy metal and contaminated soil - Google Patents
A kind of mixed method of adsorbent for heavy metal and contaminated soil Download PDFInfo
- Publication number
- CN108941189A CN108941189A CN201810879781.4A CN201810879781A CN108941189A CN 108941189 A CN108941189 A CN 108941189A CN 201810879781 A CN201810879781 A CN 201810879781A CN 108941189 A CN108941189 A CN 108941189A
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- China
- Prior art keywords
- adsorbent
- heavy metal
- contaminated soil
- ball mill
- mill mixer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses the mixed methods of a kind of adsorbent for heavy metal and contaminated soil, contaminated soil and adsorbent for heavy metal are put into pulverizer tentatively after evenly mixing, enter ball mill mixer by opening and carry out high-intensitive uniformly mixing, the second conveying pipeline is entered by open mesh；Adsorbent for heavy metal of the present invention realizes that contaminated soil is mixed with the high evenness of adsorbent for heavy metal using ball mill mixer with the mixed method of contaminated soil, and pulverizer is connected to ball mill mixer top, can reduce transfer time, improves working efficiency.
Description
Technical field
The present invention relates to mixed method field more particularly to a kind of mixing sides of adsorbent for heavy metal and contaminated soil
Method.
Background technique
Soil is the important component of ball ecological environment, and the polynomial basis of mankind's existence development for thousands of years
Plinth.Constantly develop however as human society, the zone of action of the mankind constantly expands, municipal pollution, industry, mining industry and agriculture
Industry etc. causes the heavy metal pollution of soil increasingly serious.The heavy metal of soil pollution is caused to be mainly that toxicity is significant, have to biology
Harmful element, such as mercury (Hg), lead (Pb), cadmium (Cd), chromium (Cr) and metalloid arsenic (As)；With some members for having certain toxicity
Element, such as copper (Cu), zinc (Zn), nickel (Ni).Migration is poor in the soil, the residence time is long and difficult for these heavy metal contaminants
To be degraded by microorganisms, other than ecological environment may be made to be destroyed, make soil degradation, can also by washing away, runoff and rain
The effects of water leaching, spreads, and surrounding aqueous environment is caused to pollute.
Heavy metal pollution is easy to cause human health, even life by the transmitting such as natural ecosystems food chain
Harm.This not to be cultivated vegetables etc. on the soil of heavy metal pollution, and the contaminated heavy metal soil of this block still may
Endanger the health of the mankind.Therefore, whether at home or external, repairing heavy metal in soil pollution has been increasingly becoming neck
The focus of research experiment in domain.The method of heavy-metal contaminated soil reparation can be mainly divided into peripheral doses, chemical remediation and life
Object reparation.
The repair mode of selection heavy-metal contaminated soil depends primarily on the characteristic of pollutant, and recovery technique can be divided into three
Class: peripheral doses technology, chemical remediation technology and bioremediation technology.Peripheral doses technology include soil amendment, electro reclamation,
Heat treating process, vitrification.Chemical remediation technology includes elution method, chemical fixation.Bioremediation technology includes that plant is repaired
Multiple method, microbial remediation method, animal reparation method.Wherein chemical fixation is that adsorbent/curing agent is mixed into contaminated soil, weight
Metal ion adsorbent completes the absorption and solidification to heavy metal ion.Adsorbent for heavy metal is mixed into contaminated soil
Uniformity directly affect adsorption effect.Adsorbent for heavy metal is generally using directly sowing or simple agitation at present
Mode, the inefficiency of this hybrid mode, the effect of being unfavorable for adsorbent for heavy metal performance.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of adsorbent for heavy metal and Polluted Soil are provided
The mixed method of earth, the technical solution are achieved in that
Ball mill mixer includes blender tank body, motor base, stirring motor, first switch device, second switch device.
Pulverizer includes grinding barrel, third conveying pipeline, and the third conveying pipeline is set to grinding barrel lower part and defeated in second
Expects pipe connects, and the third pulling plug of control switch state is provided on the third conveying pipeline.
The motor base extends from the blender tank base, and provides support, the stirring for stirring motor
Machine jar body top is equipped with opening, and lower part is equipped with open mesh.The second switch device is set to blender tank body top, and with
Opening is equipped with, and the second pulling plug of control opening open and closed is provided in the second switch device, described second opens
It closes device top and connects the second conveying pipeline.
The first switch device is set to blender tank body lower part, and cooperates with open mesh, the first switch dress
The first pulling plug of control control open mesh open and closed is centered, the connection first of first switch device lower part is defeated
Expects pipe.
A kind of mixed method of adsorbent for heavy metal and contaminated soil, comprising the following steps:
S1: contaminated soil and adsorbent for heavy metal are put into pulverizer, are opened pulverizer and crush and preliminary
After mixing, the adsorbent for heavy metal and contaminated soil mixture that are tentatively mixed.
S2: third pulling plug and the second pulling plug, the adsorbent for heavy metal tentatively mixed and contaminated soil mixture are opened
After entering ball mill mixer by opening, third pulling plug and the second pulling plug are closed.
S3: the diameter for the ball-milling medium that ball mill mixer uses is 15-30mm, and ball-milling medium is in ball mill mixer
Filling rate is 30-60vol.%, and the hole diameter of open mesh is 5-10mm, opens ball mill mixer, and ball mill mixer turns
Speed is that 300-800rpm carries out 3-10min mixing, obtains adsorbent for heavy metal and contaminated soil mixture that mixing is completed.
S4: it after completing mixed process using the ball mill mixer, reduces ball mill mixer and arrives 20-60rpm, and opening the
One pulling plug, the adsorbent for heavy metal and contaminated soil mixture for mixing completion pass through open mesh and enter the second conveying pipeline.
The mixed method of adsorbent for heavy metal and contaminated soil provided by the invention
(1), contaminated soil may be implemented using ball mill mixer to mix with the high evenness of adsorbent for heavy metal.
(2), pulverizer is connected to ball mill mixer top, can reduce transfer time, improves working efficiency.
(3), the design of open mesh stays in ball-milling medium in blender tank body, and contaminated soil and heavy metal ion are inhaled
Attached dose obtains mixture and is easily detached from from blender tank body.
Preferably, third pulling plug and the second pulling plug, the adsorbent for heavy metal tentatively mixed are opened in the step S2
After entering ball mill mixer by opening with contaminated soil mixture, addition water is used as decentralized medium, closing third pulling plug and the
Two pulling plugs.After water is added as decentralized medium, wet grinding environment is formed, mixing efficiency is enhanced.
Optionally, the pulverizer is blade pulverizer.
Preferably, the ball mill mixer outer wall is rigid transparent material, facilitates observation mixed process.
Optionally, the adsorbent for heavy metal addition quality is the 2-10% of contaminated soil quality.
Optionally, ball-milling medium is filled with 50vol.% in the ball mill mixer.
Optionally, the decentralized medium water added in the step S2 is the 100-150% of contaminated soil quality.
Detailed description of the invention
Invention is further described in detail with reference to the accompanying drawings and detailed description；
Fig. 1 is the mixing apparatus schematic diagram of adsorbent for heavy metal of the present invention and contaminated soil.
Fig. 2 is ball mill mixer schematic diagram of the present invention.
Fig. 3 is pulverizer schematic diagram of the present invention.
Appended drawing reference: 1- ball mill mixer, 2- pulverizer, 10- blender tank body, 11- motor base, 12- stirring motor,
13- first switch device, the first pulling plug of 131-, 14- second switch device, the second pulling plug of 141-, the second conveying pipeline of 15-, 16-
One conveying pipeline, 17- opening, 18- open mesh, 21- grinding barrel, 22- third conveying pipeline, 23- third pulling plug.
Specific embodiment
As shown in Figure 1-3, the mixing apparatus of disclosed a kind of adsorbent for heavy metal and contaminated soil, packet
Include ball mill mixer 1, pulverizer 2, the ball mill mixer 1 include blender tank body 10, motor base 11, stirring motor 12,
First switch device 13, second switch device 14.
The pulverizer 2 includes grinding barrel 21, third conveying pipeline 22, and the third conveying pipeline 22 is set under grinding barrel 21
It portion and is connected in the second conveying pipeline 15, the third pulling plug 23 of control switch state is provided on the third conveying pipeline 22.
The motor base 11 extends from 10 bottom of blender tank body, and provides support for stirring motor 12, institute
It states 10 top of blender tank body and is equipped with opening 17, lower part is equipped with open mesh 18.The second switch device 14 is set to stirring
10 top of machine jar body, and be equipped with opening 17, control 17 on and off shapes of opening are provided in the second switch device 14
Second pulling plug 141 of state, 14 top of second switch device connect the second conveying pipeline 15.
Contaminated soil is tentatively smashed and is mixed in pulverizer 2 with adsorbent for heavy metal, and third pulling plug 23 is opened
With the second pulling plug 141, the mixture of contaminated soil and adsorbent for heavy metal can fall into blender tank body 10 by opening 17
In.After closing the second pulling plug 141, stirring motor 12 can be opened and carry out high-intensitive mixed process.
The first switch device 13 is set to 10 lower part of blender tank body, and cooperates with open mesh 18, described first
The first pulling plug 131 of control control 18 open and closed of open mesh, the first switch device are provided in switching device 13
13 lower parts connect the first conveying pipeline 16.
After ball mill mixer 1 completes the mixed process of contaminated soil and adsorbent for heavy metal, the first pulling plug is opened
131, contaminated soil and adsorbent for heavy metal homogeneous mixture from open mesh 18 go out blender tank body 10 to fall into first defeated
Expects pipe 16.
A kind of mixed method of adsorbent for heavy metal and contaminated soil, comprising the following steps:
S1: contaminated soil and adsorbent for heavy metal are put into pulverizer 2, are opened pulverizer 2 and crush and just
After step mixing, the adsorbent for heavy metal and contaminated soil mixture that are tentatively mixed.
S2: opening third pulling plug 23 and the second pulling plug 141, and the adsorbent for heavy metal tentatively mixed and contaminated soil are mixed
After conjunction object enters ball mill mixer 1 by opening 17, third pulling plug 23 and the second pulling plug 141 are closed.
S3: the diameter for the ball-milling medium that ball mill mixer 1 uses is 15-30mm, and ball-milling medium is in ball mill mixer 1
Filling rate be 30-60vol.%, the hole diameter of open mesh 18 is 5-10mm, opens ball mill mixer 1, ball mill mixer
1 revolving speed is that 300-800rpm carries out 3-10min mixing, and adsorbent for heavy metal and the contaminated soil for obtaining mixing completion are mixed
Close object.
S4: it after completing mixed process using the ball mill mixer 1, reduces ball mill mixer 1 and arrives 20-60rpm, and open
First pulling plug 131, the adsorbent for heavy metal and contaminated soil mixture for mixing completion pass through open mesh 18 and enter second
Conveying pipeline 16.
The mixed method of adsorbent for heavy metal and contaminated soil provided by the invention
1, contaminated soil may be implemented using ball mill mixer to mix with the high evenness of adsorbent for heavy metal.
2, pulverizer is connected to ball mill mixer top, can reduce transfer time, improves working efficiency.
3, the design of open mesh stays in ball-milling medium in blender tank body, and contaminated soil with it is heavy metal ion adsorbed
Agent obtains mixture and is easily detached from from blender tank body.
Preferably, third pulling plug 23 and the second pulling plug 141 are opened in the step S2, the heavy metal ion tentatively mixed is inhaled
After attached dose enters ball mill mixer 1 by opening 17 with contaminated soil mixture, addition water is closed third and is drawn as decentralized medium
Bolt 23 and the second pulling plug 141.After water is added as decentralized medium, wet grinding environment is formed, mixing efficiency is enhanced.
In specific implementation, the pulverizer 2 is blade pulverizer.
In specific implementation, 1 outer wall of ball mill mixer is rigid transparent material, facilitates observation mixed process.
In specific implementation, the adsorbent for heavy metal addition quality is the 2-10% of contaminated soil quality.
In specific implementation, ball-milling medium is filled with 50vol.% in the ball mill mixer 1.
In specific implementation, the decentralized medium water added in the step S2 is the 100% of contaminated soil quality.
Applying example is only one embodiment of the present of invention, for those of ordinary skill in the art, is not paying creativeness
Under the premise of laborious, other embodiments can also be obtained with reference to the accompanying drawings, also within protection scope of the present invention.
Claims (7)
1. the mixed method of a kind of adsorbent for heavy metal and contaminated soil, which comprises the following steps:
S1: contaminated soil and adsorbent for heavy metal are put into pulverizer (2), are opened pulverizer (2) and crush and just
After step mixing, the adsorbent for heavy metal and contaminated soil mixture tentatively mixed,
S2: opening third pulling plug (23) and the second pulling plug (141), and the adsorbent for heavy metal tentatively mixed and contaminated soil are mixed
After conjunction object enters ball mill mixer (1) by opening (17), third pulling plug (23) and the second pulling plug (141) are closed,
S3: the diameter for the ball-milling medium that ball mill mixer (1) uses is 15-30mm, and ball-milling medium is in ball mill mixer (1)
Filling rate be 30-60vol.%, the hole diameter of open mesh (18) is 5-10mm, is opened ball mill mixer (1), ball milling stirs
The revolving speed for mixing machine (1) is that 300-800rpm carries out 3-10min mixing, obtains adsorbent for heavy metal and pollution that mixing is completed
Soil mixture,
S4: it after completing mixed process using the ball mill mixer (1), reduces ball mill mixer (1) and arrives 20-60rpm, and open
First pulling plug (131), the adsorbent for heavy metal and contaminated soil mixture for mixing completion are entered by open mesh (18)
Second conveying pipeline (16).
2. the mixed method of adsorbent for heavy metal according to claim 1 and contaminated soil, which is characterized in that described
Third pulling plug (23) and the second pulling plug (141), the adsorbent for heavy metal and contaminated soil tentatively mixed are opened in step S2
After mixture enters ball mill mixer (1) by opening (17), addition water is used as decentralized medium, closing third pulling plug (23) and the
Two pulling plugs (141).
3. the mixed method of adsorbent for heavy metal according to claim 1 or 2 and contaminated soil, which is characterized in that
The pulverizer (2) is blade pulverizer.
4. the mixed method of adsorbent for heavy metal according to claim 1 or 2 and contaminated soil, it is characterised in that:
Ball mill mixer (1) outer wall is rigid transparent material.
5. the mixed method of adsorbent for heavy metal according to claim 1 or 2 and contaminated soil, it is characterised in that:
The adsorbent for heavy metal addition quality is the 2-10% of contaminated soil quality.
6. the mixed method of adsorbent for heavy metal according to claim 1 or 2 and contaminated soil, it is characterised in that:
Ball-milling medium is filled with 50vol.% in the ball mill mixer (1).
7. the mixed method of adsorbent for heavy metal according to claim 2 and contaminated soil, it is characterised in that: described
The decentralized medium water added in step S2 is the 100-150% of contaminated soil quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810879781.4A CN108941189A (en) | 2018-08-03 | 2018-08-03 | A kind of mixed method of adsorbent for heavy metal and contaminated soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810879781.4A CN108941189A (en) | 2018-08-03 | 2018-08-03 | A kind of mixed method of adsorbent for heavy metal and contaminated soil |
Publications (1)
| Publication Number | Publication Date |
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| CN108941189A true CN108941189A (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810879781.4A Withdrawn CN108941189A (en) | 2018-08-03 | 2018-08-03 | A kind of mixed method of adsorbent for heavy metal and contaminated soil |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002072272A1 (en) * | 2001-03-12 | 2002-09-19 | Environmental Decontamination Limited | Decontamination apparatus |
| CN101115533A (en) * | 2005-02-08 | 2008-01-30 | 铝业科技墨西哥可变动资本额股份有限公司 | Process and plant for the transformation of dangerous waste containing chromium into non dangerous wastes |
| CN103978023A (en) * | 2014-04-18 | 2014-08-13 | 浙江大学 | Device for restoration of persistent organic pollutant-polluted soil and use method thereof |
| CN105268737A (en) * | 2015-11-15 | 2016-01-27 | 长沙新气象自动化技术有限公司 | Heavy metal contaminated soil remediation equipment and remediation process thereof |
| CN106180172A (en) * | 2016-07-18 | 2016-12-07 | 中国石油大学(华东) | Chromium-polluted soil humic acids green in-situ renovation technique |
| CN107297386A (en) * | 2017-07-25 | 2017-10-27 | 上海第二工业大学 | A kind of mechanochemistry reduction restorative procedure of hexavalent chromium polluted soil |
| CN108097712A (en) * | 2017-12-20 | 2018-06-01 | 成都新柯力化工科技有限公司 | A kind of method that soil pollutant is removed using laser |
| CN108326021A (en) * | 2018-02-01 | 2018-07-27 | 陈前 | A kind of soil crushing grinding device for soil pollution processing |
-
2018
- 2018-08-03 CN CN201810879781.4A patent/CN108941189A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002072272A1 (en) * | 2001-03-12 | 2002-09-19 | Environmental Decontamination Limited | Decontamination apparatus |
| CN101115533A (en) * | 2005-02-08 | 2008-01-30 | 铝业科技墨西哥可变动资本额股份有限公司 | Process and plant for the transformation of dangerous waste containing chromium into non dangerous wastes |
| CN103978023A (en) * | 2014-04-18 | 2014-08-13 | 浙江大学 | Device for restoration of persistent organic pollutant-polluted soil and use method thereof |
| CN105268737A (en) * | 2015-11-15 | 2016-01-27 | 长沙新气象自动化技术有限公司 | Heavy metal contaminated soil remediation equipment and remediation process thereof |
| CN106180172A (en) * | 2016-07-18 | 2016-12-07 | 中国石油大学(华东) | Chromium-polluted soil humic acids green in-situ renovation technique |
| CN107297386A (en) * | 2017-07-25 | 2017-10-27 | 上海第二工业大学 | A kind of mechanochemistry reduction restorative procedure of hexavalent chromium polluted soil |
| CN108097712A (en) * | 2017-12-20 | 2018-06-01 | 成都新柯力化工科技有限公司 | A kind of method that soil pollutant is removed using laser |
| CN108326021A (en) * | 2018-02-01 | 2018-07-27 | 陈前 | A kind of soil crushing grinding device for soil pollution processing |
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Application publication date: 20181207 |