CN109590320A - The method for repairing the matrix containing heavy metal using earthworm and sugar grass - Google Patents
The method for repairing the matrix containing heavy metal using earthworm and sugar grass Download PDFInfo
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- CN109590320A CN109590320A CN201910085862.1A CN201910085862A CN109590320A CN 109590320 A CN109590320 A CN 109590320A CN 201910085862 A CN201910085862 A CN 201910085862A CN 109590320 A CN109590320 A CN 109590320A
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- earthworm
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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
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
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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
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
Abstract
The invention discloses a kind of methods for repairing the matrix containing heavy metal using earthworm and sugar grass, comprising the following steps: earthworm is inoculated in matrix containing heavy metal and cultivates, two batches of sugar grasses are then planted in matrix.Matrix containing heavy metal is soil or dirt, wherein dirt is obtained by the fermented processing of organic waste；When matrix containing heavy metal is soil, earthworm is inoculated in after cultivating 20~25d in soil and directly plants sweet sorghum or earthworm is inoculated in soil after 20~25d of cultivation, earthworm is taken out；When matrix containing heavy metal is dirt, earthworm is inoculated in 20~25d of cultivation in dirt, earthworm is taken out, then plants sweet sorghum in dirt.By the present invention in that repairing matrix containing heavy metal with earthworm and sugar grass collaboration, the content of beary metal in matrix is effectively reduced.
Description
Technical field
The present invention relates to heavy metal matrix to repair field.It is more particularly related to a kind of high using earthworm and sweet tea
The method of fine strain of millet reparation matrix containing heavy metal.
Background technique
With the rapid development of industry and economic fast development, soil or heavy metals in living garbage content are exceeded
Problem becomes increasingly conspicuous, and the exceeded soil of content of beary metal or the categorized processing of house refuse are for planting crops, crops
Will enriching heavy metal, and entered in human body by food chain, seriously threaten the health of human body, currently, super for heavy metal
Target problem mostly repairs heavy metal using earthworm or root system of plant, but this processing method repairing effect is not
Ideal, soil or processed house refuse after reparation still remain the exceeded phenomenon of content of beary metal.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of method for repairing the matrix containing heavy metal using earthworm and sugar grass,
Matrix containing heavy metal is repaired by using earthworm and sugar grass collaboration, effectively reduces the content of beary metal in matrix.
In order to realize these purposes and other advantages according to the present invention, provides and a kind of repaired using earthworm and sugar grass
The method of the matrix containing heavy metal, comprising the following steps: earthworm is inoculated in 20~25d of cultivation in matrix containing heavy metal, is then existed
Two batches of sugar grasses are planted in matrix.
Preferably, matrix containing heavy metal is soil or dirt, wherein dirt is obtained by the fermented processing of organic waste
It arrives；
When matrix containing heavy metal be soil when, by earthworm be inoculated in soil cultivate 20~25d after directly plant sweet sorghum,
Or earthworm is inoculated in soil after 20~25d of cultivation, earthworm is taken out；
When matrix containing heavy metal is dirt, earthworm is inoculated in 20~25d of cultivation in dirt, earthworm is taken out, then exists
It plants sweet sorghum in dirt.
Preferably, the earthworm after taking-up is burned, and isolates heavy metal, obtain ashes, ashes is to prepare
Organic fertilizer.
Preferably, before earthworm being inoculated in matrix containing heavy metal, earthworm is placed in box for breeding and is cultivated, including
Following steps:
S1, box for breeding is placed in darkroom, the box for breeding includes:
Cabinet is cuboid structure, and three barn doors are arranged in the cabinet, and the barn door is parallel to described
A wherein opposing sidewalls for cabinet, the distance between the lower end of the barn door and the bottom of box are 2cm, three shadings
The cabinet is successively bisected into the first cavity, the second cavity, third cavity and the 4th cavity by plate, wherein the cabinet
The humic soil layer that bottom is equipped with a thickness of 2~4mm, the cabinet opposing sidewalls vertical with the barn door are transparent material
Material, and multiple air holes are equipped at intervals in the opposing sidewalls, the top of the cabinet is equipped with chamber door；
Four groups of illumination components, four groups of illumination components correspond respectively is set to first cavity, the second cavity, third chamber
In body and the 4th cavity, four groups of illumination components be can be taken off, and every group of illumination component includes multiple horizontally disposed lampshades, institute
Stating the lampshade vertical section vertical with the barn door is acute triangle, and the lower end of two lampshades of arbitrary neighborhood is affixed, each
Fluorescent tube is installed in lampshade, the length of the lampshade is slightly less than the length of the barn door, and the length of the fluorescent tube is slightly less than
The length of the lampshade, each fluorescent tube are equipped with independent switch, and the intensity of illumination of the fluorescent tube is 200Lux, wherein every
The length of multiple lampshade vertical sections is slightly less than the distance between two barn doors of arbitrary neighborhood in group illumination component, and is located at both ends
Two lampshades be detachably connected with the cabinet, the distance between the lampshade lower end and the bottom of box be 10cm；
S2, earthworm is put into the first cavity；
S3, it the intracorporal multiple fluorescent tubes of the first chamber is successively opened successively is opened until earthworm is moved to the second cavity by the first cavity
The intracorporal multiple fluorescent tubes of the second chamber are opened, until earthworm is moved to third cavity by the second cavity, it is intracorporal more successively to open third chamber
A fluorescent tube keeps 30min until earthworm is moved to the 4th cavity by third cavity；
S4, the first cavity, the second cavity, the intracorporal fluorescent tube of third chamber are closed, the fluorescent tube of the 4th cavity is successively opened, until earthworm
Earthworm is moved to third cavity by the 4th cavity, successively opens the intracorporal fluorescent tube of third chamber, until earthworm is moved to the by third cavity
Two cavitys open the intracorporal fluorescent tube of the second chamber, until earthworm is moved to the first cavity by the second cavity, keep 30min；
S5, the second cavity, third cavity, the 4th intracorporal fluorescent tube of chamber are closed；
S6, the operation for being repeated 20 times S3, S4, S5, earthworm cultivate completion in box for breeding；Wherein, same illumination component
In, when earthworm is moved along the direction of first cavity towards the 4th cavity, along by the first cavity to the direction of the 4th cavity
On successively open multiple fluorescent tubes, when earthworm is mobile towards the first cavity by the 4th cavity, along by the 4th cavity to the first cavity
Direction on successively open multiple fluorescent tubes, the opening time of two fluorescent tubes of arbitrary neighborhood differs 10min.
Preferably, in S3, S4, when keeping 30min, to the nutrient solution of 0.08 times of gross mass of earthworm feeding earthworm amount.
Preferably, nutrient solution the preparation method comprises the following steps: by vitamin D be dissolved in 0.01 times of its gross mass amount milk in, so
4 times of vitamin D gross mass amount eggs, 2 times of allicin mixing measured are added afterwards, obtain mixed liquor, it is spare；Take the total matter of vitamin D
The lectuce tea powder for measuring 10 times of amounts is broken to partial size less than 2mm, adds the white sugar mixing of 2 times of ilexlutifolia thumb total quality amounts, is crushed
Material；The water of polyvinylpyrrolidone, 10 times of amounts that 5 times of vitamin D gross mass are measured is mixed and dissolved, mixed liquor is obtained, by powder
Stir-fry 40min under the conditions of being placed in 100~120 DEG C in particle addition mixed liquor, obtains stir-frying material；Mixed liquor, stir-frying material is mixed
Merge the ethyl alcohol that 30 times of mixed liquor gross mass amounts are added, flow back 5h, filters and is concentrated, concentrate is obtained, then into concentrate
The water mixing of 1 times of its gross mass amount is added to get nutrient solution is arrived, wherein ethyl alcohol adjusts pH to 4~5 using vinegar.
The present invention is include at least the following beneficial effects:
The first, it by the present invention in that repairing matrix containing heavy metal with earthworm and sugar grass collaboration, effectively reduces in matrix
Content of beary metal, earthworm is burned after cultivation, then prepares organic fertilizer, realization recycles.
The second, setting box for breeding is realized earthworm and is moved back and forth in box for breeding by change illumination, can be effective
The immunity ability of earthworm is improved, reduction bristle base portion festers and cuticula thickens, and improves earthworm in heavy metal matrix
Survival rate, and then can be effectively reduced the content of heavy metal；The side wall of cabinet is equipped with transparent material, sees convenient for staff
Examine the situation of movement of earthworm in cabinet；By the way that multiple groups illumination component is arranged, and multiple fluorescent tubes in same illumination component are successively
It opens, convenient for driving earthworm.
Third, addition nutrient solution, can promote absorption of the earthworm to mineral element, and then enhance the immunocompetence of earthworm,
Improve the survival rate of earthworm；Ilex Latifolia Thunb is added, the bitter leaves tea saponin in Ilex Latifolia Thunb can be effectively extracted by refluxing extraction, it is bitter
Fourth tea saponin can promote absorption of the earthworm to vitamin D, and then promote absorption of the earthworm to mineral element；By adding chicken
Egg and allicin can promote earthworm intestines peristalsis, promote the digestion and absorption of earthworm.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of box for breeding described in one of technical solution of the present invention.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
It should be noted that in the description of the present invention, the orientation of the instructions such as term " on ", "lower", "inner", "outside" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, not
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.
<embodiment 1>
A method of matrix containing heavy metal is repaired using earthworm and sugar grass, comprising the following steps: matrix containing heavy metal
For dirt, earthworm is inoculated in dirt and cultivates 20d, take out earthworm, then plants two batches of sugar grasses.
<embodiment 2>
A method of matrix containing heavy metal is repaired using earthworm and sugar grass, comprising the following steps: matrix containing heavy metal
For soil, earthworm is inoculated in soil after cultivation 23d, earthworm is taken out, two batches of sugar grasses are then planted；
<embodiment 3>
A method of matrix containing heavy metal is repaired using earthworm and sugar grass, comprising the following steps: matrix containing heavy metal
For soil, earthworm is inoculated in after cultivating 25d in soil and directly plants two batches of sugar grasses；
Earthworm after taking-up is burned, and isolates heavy metal, obtains ashes, ashes is to prepare organic fertilizer.
<embodiment 4>
A method of matrix containing heavy metal is repaired using earthworm and sugar grass, comprising the following steps: matrix containing heavy metal
For soil, earthworm is inoculated in after cultivating 25d in soil and directly plants two batches of sugar grasses；
Before earthworm is inoculated in matrix containing heavy metal, earthworm is placed in box for breeding and is cultivated, comprising the following steps:
As shown in Figure 1, box for breeding is placed in darkroom, the box for breeding includes: for S1, the box for breeding
Cabinet 1 is cuboid structure, and three barn doors 3 are arranged in the cabinet 1, and the barn door 3 is parallel
In a wherein opposing sidewalls for the cabinet 1, the distance between the lower end of the barn door 3 and 1 bottom of cabinet are 2 cm,
The cabinet 1 is successively bisected into the first cavity 401, the second cavity 402, third cavity 403 and the 4th chamber by three barn doors 3
Body 404, wherein the humic soil layer 2 that the bottom of the cabinet 1 is equipped with a thickness of 2~4mm, the cabinet 1 and the shading
The vertical opposing sidewalls of plate 3 are transparent material (transparent material concretely glass), and are equipped at intervals in the opposing sidewalls multiple
Air hole (air hole is specifically arranged can are as follows: the air hole positioned at bottom is 5cm at a distance from 1 bottom of cabinet), institute
The top for stating cabinet 1 is equipped with chamber door；
Four groups of illumination components, four groups of illumination components correspond respectively set on first cavity 401, the second cavity 402,
In third cavity 403 and the 4th cavity 404, four groups of illumination components be can be taken off, and every group of illumination component includes multiple levels
The lampshade 6 of setting, the lampshade 6 vertical section vertical with the barn door 3 are acute triangle, and two lamps of arbitrary neighborhood
The lower end of cover 6 is affixed, fluorescent tube 5 is installed in each lampshade 6, the length of the lampshade 6 is slightly less than the length of the barn door 3
Degree, the length of the fluorescent tube 5 are slightly less than the length of the lampshade 6, and each fluorescent tube 5 is equipped with independent switch, the fluorescent tube 5
Intensity of illumination be 200Lux, wherein the length of multiple 6 vertical sections of lampshade is slightly less than arbitrary neighborhood two in every group of illumination component
The distance between a barn door 3, and two lampshades 6 for being located at both ends are detachably connected with the cabinet 1,6 lower end of lampshade
The distance between described 1 bottom of cabinet be 10cm (set-up mode that illumination component can be taken off concretely: same light group
In part, multiple intervals of lampshade 6 are fixed straight up, and there are two the bodies of rod, and the line of two bodies of rod is vertical with the barn door 3, and two
The upper end of a body of rod is connected with horizon bar jointly, and the end of four horizon bars in four groups of illumination components is affixed, and in same
On horizontal line, the barn door 3 is equipped with card slot, to support level bar, to realize that the illumination component can be by cabinet 1
Interior taking-up)；
S2, earthworm is put into the first cavity 401；
S3, multiple fluorescent tubes 5 in the first cavity 401 are successively opened, until earthworm is moved to the second cavity by the first cavity 401
402, multiple fluorescent tubes 5 in the second cavity 402 are successively opened, until earthworm is moved to third cavity 403 by the second cavity 402, according to
The secondary multiple fluorescent tubes 5 opened in third cavity 403 are kept until earthworm is moved to the 4th cavity 404 by third cavity 403
30min；
S4, the first cavity 401, the second cavity 402, the fluorescent tube 5 in third cavity 403 are closed, successively opens the 4th cavity
404 fluorescent tube 5 successively opens the fluorescent tube in third cavity 403 until earthworm is moved to third cavity 403 by the 4th cavity 404
5, until earthworm is moved to the second cavity 402 by third cavity 403, the fluorescent tube 5 in the second cavity 402 is opened, until earthworm is by second
Cavity 402 is moved to the first cavity 401, keeps 30min；
S5, the second cavity 402, third cavity 403, the fluorescent tube 5 in the 4th cavity 404 are closed；
S6, the operation for being repeated 20 times S3, S4, S5, earthworm cultivate completion in box for breeding；Wherein, same illumination component
In, when earthworm is moved along the direction of the first cavity 401 towards the 4th cavity 404, along by the first cavity 401 to the 4th
Multiple fluorescent tubes 5 are successively opened on the direction of cavity 404, when earthworm is mobile towards the first cavity 401 by the 4th cavity 404, edge
Multiple fluorescent tubes 5, the unlatching of two fluorescent tubes 5 of arbitrary neighborhood are successively opened on direction by 404 to the first cavity 401 of the 4th cavity
Time phase difference 10min；
In S3, S4, when keeping 30min, to the nutrient solution of 0.08 times of gross mass of earthworm feeding earthworm amount.
Nutrient solution the preparation method comprises the following steps: by vitamin D be dissolved in 0.01 times of its gross mass amount milk in, then be added dimension life
4 times of plain D gross mass amount eggs, 2 times of allicin mixing measured, obtain mixed liquor, spare；Take 10 times of vitamin D gross mass amounts
Lectuce tea powder is broken to partial size less than 2mm, adds the white sugar mixing of 2 times of ilexlutifolia thumb total quality amounts, obtains crushed material；Dimension is given birth to
The polyvinylpyrrolidone of 5 times of plain D gross mass amounts, 10 times of water measured are mixed and are dissolved, and obtain mixed liquor, crushed material is added
Stir-fry 40min under the conditions of being placed in 100~120 DEG C in mixed liquor, obtains stir-frying material；Mixed liquor, stir-frying material are mixed and added into
The ethyl alcohol of 30 times of mixed liquor gross mass amounts, flow back 5h, filters and is concentrated, obtains concentrate, and it is total that it is then added into concentrate
The water of 1 times of quality amount mixes to arrive nutrient solution, wherein ethyl alcohol adjusts pH to 4~5 using vinegar.
Wherein, in Examples 1 to 4, the earthworm after taking-up carries out burning disposal, and isolates heavy metal, obtains ashes, will
The heavy metal recovery isolated utilizes, and ashes is prepared into organic fertilizer, and organic fertilizer is used for field of planting, realizes the recycling benefit of earthworm
With；Sugar grass is squeezed the juice, sorghum juice and sorghum slag are obtained, sorghum slag is prepared into biomass fuel and is burned, then
Lime-ash and heavy metal are isolated, lime-ash is prepared into organic fertilizer, is used for field of planting, wherein heavy metal is free of in sorghum juice,
It can be used for planting and cultivating field, heavy metal recovery utilizes.
<comparative example 1>
Matrix containing heavy metal is soil, and earthworm is inoculated in soil and is cultivated three months, and heavy metal matrix reparation is completed.
<comparative example 2>
Matrix containing heavy metal is soil, is plant sweet sorghum in the soil, until sugar grass is mature.
<comparative example 3>
According to the method reparation matrix containing heavy metal of embodiment 4, wherein the difference is that earthworm is inoculated in base containing heavy metal
It is cultivated before matter specifically: earthworm is placed in the fertile soil with a thickness of 2~4mm, uses 40 nursings of nutrient solution point
Earthworm, feeds the nutrient solution of 0.08 times of earthworm gross mass amount every time, feeds interval 2h every time.
<comparative example 4>
According to matrix of the method reparation containing heavy metal of embodiment 4, wherein the difference is that earthworm is supported in box for breeding
It grows specifically: in S3, S4, when keeping 30min, to the water of 0.08 times of gross mass of earthworm feeding earthworm amount.
<comparative example 5>
Matrix containing heavy metal is dirt, and earthworm is inoculated in dirt and is cultivated three months, and reparation containing metal matrix is completed.
<Experimental Characterization>
1, after heavy metal soil remediation content of beary metal measurement
It chooses Experimental Area and carries out sample prescription division, length and width are 4m, and 5 samplings are arranged according to diagonal line principle in each sample prescription
Point takes the soil of 10~20cm of experimental plot surface layer, and shady and cool ventilation dries, and removes impurity, measurement soil pH is 4.8, and is measured
Content of beary metal cadmium 0.3mg/kg, mercury 0.3mg/kg, lead 50mg/kg；
6 pieces of regions are chosen in test block, and are repaired respectively according to the method for embodiment 3, embodiment 4, comparative example 1~4
Earth backing earth, shown in experimental result table 1, wherein according to national standard, heavy metal in soil content is not higher than cadmium 0.3mg/kg, mercury
0.3mg/kg, lead 50mg/kg are final purpose, and every square metre is put in a suitable place to breed earthworm 500,10 plants of sugar grass；
Table 1, content of beary metal
| Cadmium (mg/kg) | Mercury (mg/kg) | Lead (mg/kg) | |
| Blank control group | 3.25 | 1.13 | 146.17 |
| Embodiment 3 | 0.28 | 0.28 | 46.99 |
| Embodiment 4 | 0.19 | 0.21 | 28.79 |
| Comparative example 1 | 1.67 | 0.53 | 68.91 |
| Comparative example 2 | 1.32 | 0.42 | 51.67 |
| Comparative example 3 | 0.25 | 0.26 | 41.34 |
| Comparative example 4 | 0.21 | 0.23 | 36.66 |
Comparative analysis implements 3 and embodiment 4, it is known that the processing method cadmium of embodiment 4, mercury, lead content significantly lower than real
Apply the processing method of example 3；
Comparative example analyzes embodiment 3, comparative example 1, comparative example 2, it is known that the processing method cadmium of embodiment 3, mercury, lead contain
Amount is significantly lower than the processing method of comparative example 1 and comparative example 2；
Comparative example analyzes embodiment 4, comparative example 3, comparative example 4, it is known that the processing method cadmium of embodiment 4, mercury, lead contain
Amount is significantly lower than the processing method of comparative example 3 and comparative example 4.
2, the measurement of content of beary metal after dirt containing heavy metal is repaired
Be arranged in greenhouse 3 groups of length be 4m, the melt pit that width 3m, depth are 30cm, fill up ash in each melt pit
Native (flushing at the top of the top of dirt and melt pit), is then handled according to the method for embodiment 1 and comparative example 5, wherein
Every square meter puts 500 earthworms in a suitable place to breed, and 10 plants of sugar grass；
It is measured using HJ/T299-2007 solid waste Leaching leaching method sulfonitric method, measurement result is such as
Shown in table 2, wherein blank control group is the content of heavy metal before dirt is repaired, according to cadmium in the leachate of HJ/T300 preparation
Concentration should be lower than 0.15mg/L, the concentration of mercury should be lower than 0.05mg/L, and the concentration of lead should be lower than 0.25mg/L；
Table 2, dirt content of beary metal
Comparative analysis embodiment 1, comparative example 5, it is known that it is obvious to implement content of beary metal in 1 processing method dirt leachate
Lower than the processing method of comparative example 5.
3, earthworm survival rate is tested
The soil for taking test block is divided into 4 parts, and every group contains 10kg soil, puts 100 earthworms in every group in a suitable place to breed, cultivates 30 d
Count earthworm in 4 groups afterwards survives item number, and statistical result is as shown in table 3, wherein one group of earthworm uses embodiment 4 before putting in a suitable place to breed
Method earthworm be placed in box for breeding cultivate, one group of earthworm carries out earthworm using the method for comparative example 3 before putting in a suitable place to breed
Cultivation, another group of earthworm cultivate earthworm using the method for comparative example 4 before putting in a suitable place to breed, and remaining one group is control group earthworm
Directly put in a suitable place to breed；
Table 3, earthworm survive item number
| Survive item number (item) | |
| Control group | 77 |
| Embodiment 4 | 96 |
| Comparative example 3 | 81 |
| Comparative example 4 | 89 |
3 and implementation 4 are implemented in comparative analysis, it is known that the item number that earthworm is survived in embodiment 4 is higher than embodiment 3；
Comparative example analysis embodiment 4, comparative example 3, comparative example 4 are it is found that earthworm survives item number and is apparently higher than in embodiment 4
Comparative example 3, comparative example 4.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easy
Other modification is realized on ground, therefore without departing from the general concept defined in the claims and the equivalent scope, and the present invention is not
It is limited to specific details and embodiment shown and described herein.
Claims (6)
1. the method for repairing the matrix containing heavy metal using earthworm and sugar grass, which comprises the following steps: connect earthworm
Kind cultivates 20~25d in matrix containing heavy metal, and two batches of sugar grasses are then planted in matrix.
2. the method for repairing the matrix containing heavy metal using earthworm and sugar grass as described in claim 1, which is characterized in that containing weight
Metal matrix is soil or dirt, wherein dirt is obtained by the fermented processing of organic waste；
When matrix containing heavy metal is soil, earthworm is inoculated in after cultivating 20~25d in soil and directly plants sweet sorghum or incite somebody to action
Earthworm is inoculated in soil after 20~25d of cultivation, and earthworm is taken out；
When matrix containing heavy metal is dirt, earthworm is inoculated in 20~25d of cultivation in dirt, earthworm is taken out, then in dirt
In plant sweet sorghum.
3. the method for repairing the matrix containing heavy metal using earthworm and sugar grass as described in claim 1, which is characterized in that will take
Earthworm after out is burned, and isolates heavy metal, obtains ashes, ashes is to prepare organic fertilizer.
4. the method for repairing the matrix containing heavy metal using earthworm and sugar grass as described in claim 1, which is characterized in that by earthworm
Earthworm is inoculated in front of matrix containing heavy metal, and earthworm is placed in box for breeding and is cultivated, comprising the following steps:
S1, box for breeding is placed in darkroom, the box for breeding includes:
Cabinet is cuboid structure, is arranged with three barn doors in the cabinet, the barn door is parallel to the cabinet
A wherein opposing sidewalls, the distance between the lower end of the barn door and the bottom of box are 2cm, and three barn doors are by institute
It states cabinet and is successively bisected into the first cavity, the second cavity, third cavity and the 4th cavity, wherein the bottom of the cabinet is laid with
There is a humic soil layer with a thickness of 2~4mm, the cabinet opposing sidewalls vertical with the barn door are transparent material, and the phase
To multiple air holes are equipped at intervals on side wall, the top of the cabinet is equipped with chamber door；
Four groups of illumination components, four groups of illumination components correspond respectively set on first cavity, the second cavity, third cavity,
And the 4th in cavity, four groups of illumination components can be taken off, and every group of illumination component includes multiple horizontally disposed lampshades, the lamp
Covering the vertical section vertical with the barn door is acute triangle, and the lower end of two lampshades of arbitrary neighborhood is affixed, each lampshade
It is inside installed with fluorescent tube, the length of the lampshade is slightly less than the length of the barn door, and the length of the fluorescent tube is slightly less than described
The length of lampshade, each fluorescent tube are equipped with independent switch, and the intensity of illumination of the fluorescent tube is 200Lux, wherein every group of illumination
The length of multiple lampshade vertical sections is slightly less than the distance between two barn doors of arbitrary neighborhood in component, and is located at two of both ends
Lampshade is detachably connected with the cabinet, and the distance between the lampshade lower end and the bottom of box are 10cm；
S2, earthworm is put into the first cavity；
S3, the intracorporal multiple fluorescent tubes of the first chamber are successively opened, until earthworm is moved to the second cavity by the first cavity, successively opens
The intracorporal multiple fluorescent tubes of two chambers successively open the intracorporal multiple lamps of third chamber until earthworm is moved to third cavity by the second cavity
Pipe keeps 30min until earthworm is moved to the 4th cavity by third cavity；
S4, close the first cavity, the second cavity, the intracorporal fluorescent tube of third chamber, successively open the 4th cavity fluorescent tube, until earthworm by
4th cavity is moved to third cavity, the intracorporal fluorescent tube of third chamber is successively opened, until earthworm is moved to the second chamber by third cavity
Body opens the intracorporal fluorescent tube of the second chamber, until earthworm is moved to the first cavity by the second cavity, keeps 30min；
S5, the second cavity, third cavity, the 4th intracorporal fluorescent tube of chamber are closed；
S6, the operation for being repeated 20 times S3, S4, S5, earthworm cultivate completion in box for breeding；Wherein, in same illumination component, work as earthworm
When earthworm is moved along the direction of first cavity towards the 4th cavity, along by successively being opened on the first cavity to the direction of the 4th cavity
Multiple fluorescent tubes are opened, when earthworm is mobile towards the first cavity by the 4th cavity, along by the 4th cavity to the direction of the first cavity
Multiple fluorescent tubes are successively opened, the opening time of two fluorescent tubes of arbitrary neighborhood differs 10min.
5. the method for repairing the matrix containing heavy metal using earthworm and sugar grass as claimed in claim 4, which is characterized in that S3,
In S4, when keeping 30min, to the nutrient solution of 0.08 times of gross mass of earthworm feeding earthworm amount.
6. the method for repairing the matrix containing heavy metal using earthworm and sugar grass as claimed in claim 5, which is characterized in that nutrition
Liquid the preparation method comprises the following steps: by vitamin D be dissolved in 0.01 times of its gross mass amount milk in, then be added 4 times of vitamin D gross mass
Egg, 2 times of allicin mixing measured are measured, mixed liquor is obtained, it is spare；The lectuce tea powder of 10 times of vitamin D gross mass amounts is taken to be broken to
Partial size is less than 2mm, adds the white sugar mixing of 2 times of ilexlutifolia thumb total quality amounts, obtains crushed material；5 times of vitamin D gross mass are measured
Polyvinylpyrrolidone, 10 times amount water mix and dissolves, obtain mixed liquor, will crushed material addition mixed liquor in be placed in
Stir-fry 40min under the conditions of 100~120 DEG C, obtains stir-frying material；Mixed liquor, stir-frying material are mixed and added into mixed liquor gross mass 30
The ethyl alcohol of amount again, flow back 5h, filters and is concentrated, obtains concentrate, and the water that 1 times of its gross mass amount is then added into concentrate is mixed
It closes to get nutrient solution is arrived, wherein ethyl alcohol adjusts pH to 4~5 using vinegar.
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