CN108421823A - A kind of cellular wedge-shaped heavy metal-polluted soil removal device and repairing method of microorganism - Google Patents

A kind of cellular wedge-shaped heavy metal-polluted soil removal device and repairing method of microorganism Download PDF

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Publication number
CN108421823A
CN108421823A CN201810110205.3A CN201810110205A CN108421823A CN 108421823 A CN108421823 A CN 108421823A CN 201810110205 A CN201810110205 A CN 201810110205A CN 108421823 A CN108421823 A CN 108421823A
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wedge
shaped
heavy metal
outline border
frame
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CN108421823B (en
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贾立明
朱龙吉
魏自民
席北斗
赵越
张多英
段颖
刘元海
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Northeast Agricultural University
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Northeast Agricultural University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/10Reclamation of contaminated soil microbiologically, biologically or by using enzymes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C2101/00In situ

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Mycology (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a kind of cellular wedge-shaped heavy metal-polluted soil removal device and repairing method of microorganism, the problem of being commonly present that operating process is cumbersome, and control expense is high to solve the existing method for administering heavy metal pollution, and easily soil fertility caused to reduce.Device:Including wedge-shaped outline border (1) and adsorption layer frame (2), the wedge shape outline border (1) is wedge structure, adsorption layer frame (2) is inlaid in wedge-shaped outline border (1) inside, and adsorption layer frame (2) is honeycomb structure.Method:One, filler filling honeycomb padding hole (2 1) is interior, then nutriment is instilled in filler, the adsorption layer frame (2) equipped with nutriment is fitted into wedge-shaped outline border (1);Two, heavy metal adsorption bacterium is inoculated with into soil to be repaired, the device that then will be filled with nutriment is inserted into soil;Three, two rectangle clamping plates (1 3) in wedge-shaped outline border (1) are taken out, soil is made to be completely attached to honeycomb padding hole (2 1) end face;Four, edaphon is completed when the nutriment in honeycomb padding hole (2 1) exhausts to repair.The present invention is for removing heavy metal in soil.

Description

A kind of cellular wedge-shaped heavy metal-polluted soil removal device and repairing method of microorganism
Technical field
The present invention relates to pollution amelioration fields, and in particular to a kind of cellular wedge-shaped heavy metal-polluted soil removal device and micro- life Object restorative procedure.
Background technology
In recent years, with the fast development of industrial economy, heavy metal in soil pollution problem is increasingly severe.In general, It includes mainly 7 kinds of elements such as copper, zinc, chromium, lead, mercury, cadmium, tweezer to cause the element of heavy metal pollution of soil.A huge sum of money in soil Category is not easy to be degraded under field conditions (factors), can be diffused into other environment by approach such as rainwashes, moreover it is possible to pass through a variety of ways Diameter enters food chain accumulation amplification, seriously endangers human health.Heavy Metal Pollution Control problem will become 21 century Environmental Scientific Research The significant challenge of worker.
Currently, the method for global governance heavy metal pollution mainly has:Chemical harnessing method, engineering control method, biology are controlled Reason method and agriculture administering method.However, the above administering method can not be thoroughly from soil after heavy metal is passivated or is adsorbed Remove heavy metal, or i.e. can remove but quantities it is huge.Such as:In engineering control, frequently with heat treatment, electricity The methods of solution makes heavy metal migrate, and is then collected.Although this method removal effect is apparent, operating process is numerous Trivial, control expense is higher and easily soil fertility is caused to reduce.Therefore, it is badly in need of a kind of huge sum of money that can will be adsorbed or be passivated Category is effectively removed from soil, while easy to operate, the heavy metals removal device and restorative procedure of low cost.
Invention content
The present invention provides a kind of cellular wedge-shaped heavy metal-polluted soil removal device and repairing method of microorganism, it is therefore an objective to solve The certainly existing method for administering heavy metal pollution makes heavy metal migrate frequently with the methods of heat treatment, electrolysis, is then received Collection.This method operating process is cumbersome, and control expense is high, and the problem of easily soil fertility is caused to reduce.
A kind of cellular wedge-shaped heavy metal-polluted soil removal device of the present invention, composition includes wedge-shaped outline border (1) and absorption Layer frame (2), the wedge shape outline border (1) are wedge structure, and the adsorption layer frame (2) is inlaid in wedge-shaped outline border (1) inside, The adsorption layer frame (2) is honeycomb structure.
Further, the wedge-shaped outline border (1) includes wedge-shaped frame (1-1), two angle clamping plates (1-2), two rectangle folders Plate (1-3) and four guide rails (1-4), four guide rails (1-4) are separately mounted at four internal interior angles of wedge-shaped frame (1-1), Two angle clamping plates (1-2) are separately positioned on the two sides of wedge-shaped frame (1-1), and two rectangle clamping plates (1-3) are separately positioned on wedge The front-back of shape frame (1-1), angle clamping plate (1-2) are fixedly connected with wedge-shaped frame (1-1), and rectangle clamping plate (1-3) setting is being led It is slidably connected in rail (1-4) and with guide rail (1-4).
Further, the thickness of the rectangle clamping plate (1-3) is 1mm~2mm.
Further, the adsorption layer frame (2) is made of stainless steel frame and several honeycomb padding holes (2-1), no The steel frame that becomes rusty is equipped with several honeycomb padding holes (2-1).
Further, described device further includes two hooks (3), and the upper end of the angle clamping plate (1-2) is equipped with groove (1-2- 1) (3) are linked up with there are one, being hung in each groove (1-2-1).
Further, the wedge-shaped frame (1-1) is stainless steel frame.
Further, the adsorption layer frame (2) is stainless steel frame.
The present invention a kind of repairing method of microorganism, the method through the following steps that realize:
Step 1: extraction rectangle clamping plate (1-3), takes out adsorption layer frame (2), by filler filling honeycomb padding hole (2- 1) in, then by nutriment instillation filler, the adsorption layer frame (2) equipped with nutriment is fitted into wedge-shaped outline border (1), It is inserted into rectangle clamping plate (1-3);
Step 2: being inoculated with heavy metal adsorption bacterium into soil to be repaired, the device that then will be filled with nutriment is inserted into In soil;
Step 3: taking out two rectangle clamping plates (1-3) in wedge-shaped outline border (1), make soil and honeycomb padding hole (2-1) End face completely attaches to;
Step 4: when the nutriment in honeycomb padding hole (2-1) exhausts, that is, completes edaphon and repair.
Further, the filler in the step 1 be loose porous material, the loose porous material be sponge or cotton, Nutriment in the step 1 is peptone or yeast powder.
Further, Step 5: when the nutriment in honeycomb padding hole (2-1) exhausts, by rectangle clamping plate (1-3) It reinserts in guide rail (1-4), adsorption layer frame (2) is proposed from wedge-shaped outline border (1), wedge-shaped outline border (1) is retained in soil In, filler is replaced, that is, repeats step 1 to step 4, obtains the absorption of next stage.
The advantage of the invention is that:
One, the device of the invention is integrally wedge shaped, facilitates insertion into soil to be repaired.Absorption frame in the device of the invention Frame (2) uses honeycomb structure, is conducive to the contact area for increasing Soil Microorganism and sorbing material, promotes heavy metal Removal rate.
Two, method of the invention utilizes microorganism adsorption heavy metal in soil, it is easy to operate, at low cost, to environment without pair Effect.The present invention effectively overcomes the problem of being not easy thoroughly to remove from soil by the heavy metal after microorganism adsorption or passivation.
Three, the device of the invention manufacture craft is simple, and making and material energy conservation and environmental protection, device is easy to operate, corrosion-resistant, can It reuses, it is higher for heavy metal-polluted soil removal efficiency;This restorative procedure material therefor is without side-effects to environment.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of cellular wedge-shaped heavy metal-polluted soil removal device of the present invention;
Fig. 2 is the structural schematic diagram of wedge-shaped outline border (1);
Fig. 3 is the structural schematic diagram of adsorption layer frame (2);
Fig. 4 is the guide rail schematic diagram on the inside of wedge-shaped outline border (1).
Specific implementation mode
Specific implementation mode one:Illustrate that present embodiment, present embodiment include wedge-shaped outline border (1) in conjunction with Fig. 1 and Fig. 3 With adsorption layer frame (2), the wedge shape outline border (1) is wedge structure, and the adsorption layer frame (2) is inlaid in wedge-shaped outline border (1) Inside, the adsorption layer frame (2) are honeycomb structure.It can arbitrarily be dismantled between wedge-shaped outline border (1) and adsorption layer frame (2). Adsorption layer frame (2) external dimensions is slightly smaller than wedge-shaped outline border (1), can closely be embedded in wedge-shaped outline border (1), adsorption layer frame There are sufficient spaces to be used to store the soil particle placed and slid in adsorption process between frame (2) and wedge-shaped outline border (1).
Specific implementation mode two:Embodiment is described with reference to Fig. 2, and present embodiment is that wedge-shaped outline border (1) includes wedge shape Frame (1-1), two angle clamping plates (1-2), two rectangle clamping plates (1-3) and four guide rails (1-4), four guide rails (1-4) are respectively At four interior angles internal mounted on wedge-shaped frame (1-1), two angle clamping plates (1-2) are separately positioned on wedge-shaped frame (1-1) Two sides, two rectangle clamping plates (1-3) are separately positioned on the front-back of wedge-shaped frame (1-1), angle clamping plate (1-2) and wedge-shaped frame Frame (1-1) is fixedly connected, i.e. angle clamping plate (1-2) and wedge-shaped frame (1-1) is non-dismountable, and rectangle clamping plate (1-3) is arranged in guide rail It is slidably connected in (1-4) and with guide rail (1-4), i.e. rectangle clamping plate (1-3) and wedge-shaped frame (1-1) is detachable.It is other composition and Connection relation is same as the specific embodiment one.
Specific implementation mode three:Embodiment is described with reference to Fig. 2, and present embodiment is the thickness of rectangle clamping plate (1-3) For 1mm~2mm, design in this way ensures after removing rectangle clamping plate (1-3), and the filler of the front-back of adsorption layer frame (2) can be with Soil comes into full contact with.Other compositions and connection relation are identical with embodiment two.
Specific implementation mode four:Embodiment is described with reference to Fig. 3, and present embodiment is adsorption layer frame (2) by stainless Steel frame and several honeycomb padding holes (2-1) are made, and stainless steel frame is equipped with several honeycomb padding holes (2-1).Honeycomb Shape stuffing hole (2-1) is used to fill the nutriment needed for microorganism growth.Other compositions and connection relation and specific embodiment party Formula one is identical.
Specific implementation mode five:Illustrate present embodiment in conjunction with Fig. 1~Fig. 3, present embodiment and specific implementation mode one, Two, it also increases there are two (3) are linked up with unlike three or four, and the upper end of angle clamping plate (1-2) is equipped with groove (1-2-1), each (3) are linked up with there are one being hung in groove (1-2-1).Hook can fix adsorption layer.Other compositions and connection relation and specific implementation Mode one, two, three or four are identical.
Specific implementation mode six:Illustrate that present embodiment, present embodiment are wedge-shaped frame (1-1) in conjunction with Fig. 1 and Fig. 2 For stainless steel frame.Other compositions and connection relation are identical with embodiment two.
Specific implementation mode seven:Illustrate that present embodiment, present embodiment are adsorption layer frame (2) in conjunction with Fig. 1 and Fig. 3 For stainless steel frame.Other compositions and connection relation are identical as specific implementation mode four.
Specific implementation mode eight:Illustrate present embodiment in conjunction with Fig. 1~Fig. 4, present embodiment is through the following steps that reality Existing:
Step 1: extraction rectangle clamping plate (1-3), takes out adsorption layer frame (2), by filler filling honeycomb padding hole (2- 1) in, then by nutriment instillation filler, the adsorption layer frame (2) equipped with nutriment is fitted into wedge-shaped outline border (1), It is inserted into rectangle clamping plate (1-3);
Step 2: being inoculated with heavy metal adsorption bacterium into soil to be repaired, the device that then will be filled with nutriment is inserted into In soil, heavy metal adsorption bacterium refers to through high the heavy metal concentration lower acclimation and screening of stress obtains for a long time bacterial strain or microbial inoculum, such as: Pseudomonas aeruginosa;
Step 3: taking out two rectangle clamping plates (1-3) in wedge-shaped outline border (1), make soil and honeycomb padding hole (2-1) End face completely attaches to;
Step 4: when the nutriment in honeycomb padding hole (2-1) exhausts, that is, completes edaphon and repair.
Specific implementation mode nine:Present embodiment is that the filler in step 1 is loose porous material, the loose porous material Material is sponge or cotton, and sponge or cotton are conducive to microorganism and adhere on its surface.Nutriment in the step 1 is egg White peptone or yeast powder.Other steps are identical as specific implementation mode eight.
Specific implementation mode ten:Present embodiment unlike specific implementation mode eight or nine it further include Step 5: Step 5: when the nutriment in honeycomb padding hole (2-1) exhausts, rectangle clamping plate (1-3) is reinserted into guide rail (1- 4) in, contaminated soil is made to be isolated with repair materials, adsorption layer frame (2) is proposed from wedge-shaped outline border (1), wedge-shaped outline border (1) retain in the soil, replace filler, that is, repeat step 1 to step 4, obtain the absorption of next stage, realize soil weight Metal effectively removes.Its replacement frequency is determined according to the Expenditure Levels of nutriment.Other steps and specific implementation mode eight Or nine is identical.

Claims (10)

1. a kind of cellular wedge-shaped heavy metal-polluted soil removal device, it is characterised in that:Described device includes wedge-shaped outline border (1) and inhales Attached layer frame (2), the wedge shape outline border (1) are wedge structure, and the adsorption layer frame (2) is inlaid in wedge-shaped outline border (1) inside, The adsorption layer frame (2) is honeycomb structure.
2. a kind of cellular wedge-shaped heavy metal-polluted soil removal device according to claim 1, it is characterised in that:The wedge shape Outline border (1) includes wedge-shaped frame (1-1), two angle clamping plates (1-2), two rectangle clamping plates (1-3) and four guide rails (1-4), and four A guide rail (1-4) is separately mounted at four internal interior angles of wedge-shaped frame (1-1), and two angle clamping plates (1-2) are separately positioned on The two sides of wedge-shaped frame (1-1), two rectangle clamping plates (1-3) are separately positioned on the front-back of wedge-shaped frame (1-1), angle clamping plate (1-2) is fixedly connected with wedge-shaped frame (1-1), and rectangle clamping plate (1-3) is arranged in guide rail (1-4) and is slided with guide rail (1-4) Connection.
3. a kind of cellular wedge-shaped heavy metal-polluted soil removal device according to claim 2, it is characterised in that:The rectangle The thickness of clamping plate (1-3) is 1mm~2mm.
4. a kind of cellular wedge-shaped heavy metal-polluted soil removal device according to claim 1, it is characterised in that:The absorption Layer frame (2) is made of stainless steel frame and several honeycomb padding holes (2-1), and stainless steel frame is equipped with several cellular fill out Expect hole (2-1).
5. a kind of cellular wedge-shaped heavy metal-polluted soil removal device according to claim 1,2,3 or 4, it is characterised in that: Described device further includes two hooks (3), and the upper end of the angle clamping plate (1-2) is equipped with groove (1-2-1), each groove (1-2- 1) (3) are linked up with there are one being hung in.
6. a kind of cellular wedge-shaped heavy metal-polluted soil removal device according to claim 2, it is characterised in that:The wedge shape Frame (1-1) is stainless steel frame.
7. a kind of cellular wedge-shaped heavy metal-polluted soil removal device according to claim 4, it is characterised in that:The absorption Layer frame (2) is stainless steel frame.
8. realizing that microorganism is repaiied using a kind of cellular wedge-shaped heavy metal-polluted soil removal device described in claim 1,2,3 or 4 Compound method, it is characterised in that:The method through the following steps that realize:
Step 1: extraction rectangle clamping plate (1-3), takes out adsorption layer frame (2), filler filling honeycomb padding hole (2-1) is interior, Nutriment is instilled in filler again, the adsorption layer frame (2) equipped with nutriment is fitted into wedge-shaped outline border (1), square is inserted into Clevis plate (1-3);
Step 2: being inoculated with heavy metal adsorption bacterium into soil to be repaired, the device that then will be filled with nutriment is inserted into soil In;
Step 3: taking out two rectangle clamping plates (1-3) in wedge-shaped outline border (1), make soil and the end face honeycomb padding hole (2-1) It completely attaches to;
Step 4: when the nutriment in honeycomb padding hole (2-1) exhausts, that is, completes edaphon and repair.
9. a kind of repairing method of microorganism according to claim 8, it is characterised in that:Filler in the step 1 is thin Loose porous material, the loose porous material are sponge or cotton, and the nutriment in the step 1 is peptone or yeast powder.
10. a kind of repairing method of microorganism according to claim 8 or claim 9, it is characterised in that:The method further includes following Step:Step 5: when the nutriment in honeycomb padding hole (2-1) exhausts, rectangle clamping plate (1-3) is reinserted into guide rail In (1-4), adsorption layer frame (2) is proposed from wedge-shaped outline border (1), wedge-shaped outline border (1) retains in the soil, replaces filler, Step 1 is repeated to step 4, obtains the absorption of next stage.
CN201810110205.3A 2018-02-05 2018-02-05 Honeycomb type wedge-shaped soil heavy metal removal device and microbial remediation method Active CN108421823B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114042745A (en) * 2021-10-18 2022-02-15 河南省煤炭地质勘察研究总院 Soil pollutant adsorption device and method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6258261B1 (en) * 1998-08-31 2001-07-10 Mse Technology Applications, Inc. Honeycomb cell structure for fluid-solid reactor
JP2014028336A (en) * 2012-07-31 2014-02-13 Oji Holdings Corp Sheet for removing environmental pollutant
CN205732272U (en) * 2016-06-07 2016-11-30 河南天明环保科技有限公司 A kind of by discharge microorganism containing heavy metal soil restoring device
CN106623413A (en) * 2017-02-14 2017-05-10 温铁军 Apparatus and method for remedying heavy metal contaminated soil via microbes

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6258261B1 (en) * 1998-08-31 2001-07-10 Mse Technology Applications, Inc. Honeycomb cell structure for fluid-solid reactor
JP2014028336A (en) * 2012-07-31 2014-02-13 Oji Holdings Corp Sheet for removing environmental pollutant
CN205732272U (en) * 2016-06-07 2016-11-30 河南天明环保科技有限公司 A kind of by discharge microorganism containing heavy metal soil restoring device
CN106623413A (en) * 2017-02-14 2017-05-10 温铁军 Apparatus and method for remedying heavy metal contaminated soil via microbes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114042745A (en) * 2021-10-18 2022-02-15 河南省煤炭地质勘察研究总院 Soil pollutant adsorption device and method

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