CN107484689A - Utilize the method for cray breeding way repairing polluted soil - Google Patents
Utilize the method for cray breeding way repairing polluted soil Download PDFInfo
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- CN107484689A CN107484689A CN201710931155.0A CN201710931155A CN107484689A CN 107484689 A CN107484689 A CN 107484689A CN 201710931155 A CN201710931155 A CN 201710931155A CN 107484689 A CN107484689 A CN 107484689A
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- Prior art keywords
- culturing pool
- cray
- contaminated soil
- soil
- pool
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/22—Animal feeding-stuffs from material of animal origin from fish
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/20—Animal feeding-stuffs from material of animal origin
- A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/179—Colouring agents, e.g. pigmenting or dyeing agents
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/80—Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
-
- 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
Abstract
The invention discloses a kind of method using cray breeding way repairing polluted soil, including：Step 1: contaminated soil is digged and ploughing and weeding first, contaminated soil is eluted using aqueous hydrogen peroxide solution, digs multiple culturing pools, using contaminated soil as pool wall, it is adjacent to each other, the first and second openings are respectively provided with, first and second opening is arranged on the pool wall of opposite side；Step 2: injecting breeding water into culturing pool, circulated using running water；Step 3: algae is transplanted into culturing pool；Step 4: launching cray seedling into culturing pool, and launch feed twice thereto daily；Step 5: cultivating 2~4 months, after growing up to cray seedling, catch out；Step 6: repeat step two to five, cultivates cray again；Step 7: the breeding water in venting culturing pool, afterwards pushes over culturing pool leveling again, and repeats step 1 to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
Description
Technical field
The invention belongs to technical field of soil remediation, is related to a kind of side using cray breeding way repairing polluted soil
Method.
Background technology
Heavy metal pollution of soil (heavy metal pollution of the soil) refers to due to mankind's activity, soil
Content of the minor metallic element in soil in earth exceedes background value, too high levels caused by excess deposition, is referred to as soil
Earth heavy metal pollution.Pollution source includes agricultural chemicals, waste water, sludge and atmospheric sedimentation etc., and the multiple rice produced of China are found
Cadmium is exceeded, and soil pollution is into " public hazards ".The appearance of " cadmium rice crisis ", the alarm bell of soil pollution is beaten again.Soil pollution
Reparation includes in situ administer and dystopy administration way.Original position is administered due to being easier to implement, therefore using more.However, original position is controlled
In reason, traditional chemical leaching method easily damages to the structure of soil in itself, causes soil to be difficult to recycle, and some
Eluent, which is difficult to biodegradation, to produce secondary pollution to soil, and some eluents are expensive to cause elution method to be difficult in engineering
Upper popularization and application.Meanwhile the leacheate after cleaning is still present in soil, certain potential safety hazard be present.
The content of the invention
It is an object of the invention to solve at least the above and/or defect, and provide at least will be described later it is excellent
Point.
It is a still further object of the present invention to provide a kind of method using cray breeding way repairing polluted soil.
Therefore, technical scheme provided by the invention is：
A kind of method using cray breeding way repairing polluted soil, including：
Step 1: contaminated soil is digged first and ploughing and weeding, depth of turning soil are 30~50cm, afterwards using containing body
The aqueous hydrogen peroxide solution that product concentration is 2%~5% elutes the contaminated soil, is dug afterwards with the contaminated soil region more
Individual culturing pool, the culturing pool is using the contaminated soil as pool wall, and the thickness of pool wall is 5~15cm, and the depth of each culturing pool is 1
~2m, the area of each culturing pool is 30~40 mu, and multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with first
With the second opening, first and second opening is arranged on the pool wall of the culturing pool opposite side, and positioned at the culturing pool
Bottom, out of described contaminated soil region, angle of inclination between the multiple culturing pool and horizontal plane is from one end to another
One end gradually reduces；
Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until therein
Water reaches the 1/2~3/4 of cultivation tank depth, is circulated, is cultivated using running water afterwards；
Step 3: algae is transplanted into culturing pool；
Step 4: cray seedling is launched according to the cultivation density of 15~300,000/mu into the culturing pool, and daily
Launch feed twice thereto, each injected volume is 100~150 kgs/acre, and the feed includes astaxanthin；
Step 5: cultivating 2~4 months, after growing up to cray seedling, catch out；
Step 6: repeat step two to five, cultivates cray 2~3 times again；
Step 7: the breeding water described in venting in culturing pool, pushes over leveling again by the culturing pool afterwards, and
Repeat step one to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
Preferably, in the method using cray breeding way repairing polluted soil, in step 1, lessive
During earth, every square metre of contaminated soil elutes 4~6L.
Preferably, it is described to support in step 1 in the method using cray breeding way repairing polluted soil
It is α, 5 ° of 10 ° of ＜ α ＜ to grow the angle between pond and the horizontal plane.
Preferably, in the method using cray breeding way repairing polluted soil, all culturing pools
Between first and second opening connection set.
Preferably, in the method using cray breeding way repairing polluted soil, described first and second
Opening is provided with screen pack, and the aperture of the screen pack is not more than 50 mesh.
Preferably, in the method using cray breeding way repairing polluted soil, the algae is
Any one or a few in seaweed, divaricate gelidium thallus, sargassum thunbergii, undaria pinnitafida, Korean pine and sea lettuce.
Preferably, in the method using cray breeding way repairing polluted soil, the feed includes such as
The component of lower parts by weight：5~10 parts of the astaxanthin, 15~20 parts of fish meal, 10~20 parts of wormcast, microalgae extract 3~8
10~15 parts of part, 4~10 parts of radix glycyrrhizae, 3~8 parts of chicken manure, 10~20 parts of folium isatidis powder and the fresh blade powder of vegetables are described big
Leafiness powder and the powder that the fresh blade powder of vegetables is the fresh blade of corresponding plant.
The present invention comprises at least following beneficial effect：
The present invention handles contaminated soil first with hydrogenperoxide steam generator, beneficial to the physical separation of heavy metal and soil, it
Afterwards by the construction of contaminated soil region into multiple cray culturing pools being connected with each other, because cray has good toxin expelling
The attenuation mechanism, various pollution environment are can adapt to, therefore, it is possible to adapt to pollute environment herein, meanwhile, the present invention is also in cray
Feed in add astaxanthin, astaxanthin can further promote the resistant to pollution ability of cray so that cray give birth to
It is long good, simultaneously as toxin is mainly transferred to the positions such as its shell and internal organ by cray, it is therefore, small by what is cultivated at this
The shell and its internal organ of lobster are separated with cray edible position, and edible position is sold after being processed further afterwards
Or it is edible, and shell and internal organ etc. are then focused on, so as to by the area decontamination herein of the contaminated soil, can be used in
Land used or other purposes are planted, the original place for realizing contaminated soil is administered, while also achieves the cultivation of cray, one action two
, the industrialization for realizing contaminated soil is administered, and provides one for the improvement of contaminated soil and has industrial output value rather than input
New way.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
The present invention is described in further detail below, to make those skilled in the art being capable of evidence with reference to specification word
To implement.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
The present invention provides a kind of method using cray breeding way repairing polluted soil, including：
Step 1: contaminated soil is digged first and ploughing and weeding, depth of turning soil are 30~50cm, afterwards using containing body
The aqueous hydrogen peroxide solution that product concentration is 2%~5% elutes the contaminated soil, is dug afterwards with the contaminated soil region more
Individual culturing pool, the culturing pool is using the contaminated soil as pool wall, and the thickness of pool wall is 5~15cm, and the depth of each culturing pool is 1
~2m, the area of each culturing pool is 30~40 mu, and multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with first
With the second opening, first and second opening is arranged on the pool wall of the culturing pool opposite side, and positioned at the culturing pool
Bottom, out of described contaminated soil region, angle of inclination between the multiple culturing pool and horizontal plane is from one end to another
One end gradually reduces；
Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until therein
Water reaches the 1/2~3/4 of cultivation tank depth, is circulated, is cultivated using running water afterwards；
Step 3: algae is transplanted into culturing pool；
Step 4: cray seedling is launched according to the cultivation density of 15~300,000/mu into the culturing pool, and daily
Launch feed twice thereto, each injected volume is 100~150 kgs/acre, and the feed includes astaxanthin；
Step 5: cultivating 2~4 months, after growing up to cray seedling, catch out；
Step 6: repeat step two to five, cultivates cray 2~3 times again；
Step 7: the breeding water described in venting in culturing pool, pushes over leveling again by the culturing pool afterwards, and
Repeat step one to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
The present invention handles contaminated soil first with hydrogenperoxide steam generator, beneficial to the physical separation of heavy metal and soil, it
Afterwards by the construction of contaminated soil region into multiple cray culturing pools being connected with each other, because cray has good toxin expelling
The attenuation mechanism, various pollution environment are can adapt to, therefore, it is possible to adapt to pollute environment herein, meanwhile, the present invention is also in cray
Feed in add astaxanthin, astaxanthin can further promote the resistant to pollution ability of cray so that cray give birth to
It is long good, simultaneously as toxin is mainly transferred to the positions such as its shell and internal organ by cray, it is therefore, small by what is cultivated at this
The shell and its internal organ of lobster are separated with cray edible position, and edible position is sold after being processed further afterwards
Or it is edible, and shell and internal organ etc. are then focused on, so as to by the area decontamination herein of the contaminated soil, can be used in
Land used or other purposes are planted, the original place for realizing contaminated soil is administered, while also achieves the cultivation of cray, one action two
, the industrialization for realizing contaminated soil is administered, and provides one for the improvement of contaminated soil and has industrial output value rather than input
New way.
In such scheme, preferably, this is utilized in the method for cray breeding way repairing polluted soil, step 1
In, during washed off soil, every square metre of contaminated soil elutes 4~6L.
In such scheme, preferably, this is utilized in the method for cray breeding way repairing polluted soil, step 1
In, the angle between the culturing pool and the horizontal plane is α, 5 ° of 10 ° of ＜ α ＜.
In such scheme, preferably, this is utilized in the method for cray breeding way repairing polluted soil, Suo Yousuo
The the first and second openings connection stated between culturing pool is set.
In such scheme, preferably, this is using in the method for cray breeding way repairing polluted soil, described the
One and second opening be provided with screen pack, the aperture of the screen pack is not more than 50 mesh.
In such scheme, preferably, this is utilized in the method for cray breeding way repairing polluted soil, the algae
Class plant is any one or a few in seaweed, divaricate gelidium thallus, sargassum thunbergii, undaria pinnitafida, Korean pine and sea lettuce
In such scheme, preferably, this is utilized in the method for cray breeding way repairing polluted soil, the feeding
Material includes the component of following parts by weight：5~10 parts of the astaxanthin, 15~20 parts of fish meal, 10~20 parts of wormcast, microalgae carry
Take 3~8 parts of thing, 4~10 parts of radix glycyrrhizae, 3~8 parts of chicken manure, 10~20 parts of folium isatidis powder and the fresh blade powder 10~15 of vegetables
Part, the folium isatidis powder and the powder that the fresh blade powder of vegetables is the fresh blade of corresponding plant.
To make those skilled in the art more fully understand the present invention, examples below is now provided and illustrated：
Embodiment 1
A kind of method using cray breeding way repairing polluted soil, including：
Step 1: contaminated soil is digged and ploughing and weeding first, depth of turning soil 30cm, afterwards using dense containing volume
The aqueous hydrogen peroxide solution spent for 2% elutes the contaminated soil, digs multiple culturing pools afterwards with the contaminated soil region,
For the culturing pool using the contaminated soil as pool wall, the thickness of pool wall is 5cm, and the depth of each culturing pool is 1m, each culturing pool
Area be 30 mu, multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with the first and second openings, first He
Second opening is arranged on the pool wall of the culturing pool opposite side, and positioned at the bottom of the culturing pool, from the contaminated soil
In region, the angle of inclination between the multiple culturing pool and horizontal plane gradually reduces from one end to the other end；
Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until therein
Water reaches the 1/2 of cultivation tank depth, is circulated, is cultivated using running water afterwards；
Step 3: algae is transplanted into culturing pool；
Step 4: cray seedling is launched according to the cultivation density of 150,000/mu into the culturing pool, and daily to it
Twice, each injected volume is 100 kgs/acre to middle dispensing feed, and the feed includes astaxanthin；
Step 5: cultivating 2 months, after growing up to cray seedling, catch out；Cray is also more tender, shell and interior
Dirty accumulation toxin is few.
Step 6: repeat step two to five, cultivates cray 2 times again；
Step 7: the breeding water described in venting in culturing pool, pushes over leveling again by the culturing pool afterwards, and
Repeat step one to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
Embodiment 2
A kind of method using cray breeding way repairing polluted soil, including：
Step 1: contaminated soil is digged and ploughing and weeding first, depth of turning soil 50cm, afterwards using dense containing volume
The aqueous hydrogen peroxide solution spent for 5% elutes the contaminated soil, digs multiple culturing pools afterwards with the contaminated soil region,
For the culturing pool using the contaminated soil as pool wall, the thickness of pool wall is 15cm, and the depth of each culturing pool is 2m, each culturing pool
Area be 40 mu, multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with the first and second openings, first He
Second opening is arranged on the pool wall of the culturing pool opposite side, and positioned at the bottom of the culturing pool.From the contaminated soil
In region, the angle of inclination between the multiple culturing pool and horizontal plane gradually reduces from one end to the other end；
Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until therein
Water reaches the 3/4 of cultivation tank depth, is circulated, is cultivated using running water afterwards；
Step 3: algae is transplanted into culturing pool；
Step 4: cray seedling is launched according to the cultivation density of 300,000/mu into the culturing pool, and daily to it
Twice, each injected volume is 150 kgs/acre to middle dispensing feed, and the feed includes astaxanthin；
Step 5: cultivating 4 months, after growing up to cray seedling, catch out；
Step 6: repeat step two to five, cultivates cray 3 times again；
Step 7: the breeding water described in venting in culturing pool, pushes over leveling again by the culturing pool afterwards, and
Repeat step one to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
Embodiment 3
A kind of method using cray breeding way repairing polluted soil, including：
Step 1: contaminated soil is digged and ploughing and weeding first, depth of turning soil 31cm, afterwards using dense containing volume
The aqueous hydrogen peroxide solution spent for 2% elutes the contaminated soil, digs multiple culturing pools afterwards with the contaminated soil region,
For the culturing pool using the contaminated soil as pool wall, the thickness of pool wall is 5cm, and the depth of each culturing pool is 1m, each culturing pool
Area be 31 mu, multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with the first and second openings, first He
Second opening is arranged on the pool wall of the culturing pool opposite side, and positioned at the bottom of the culturing pool, from the contaminated soil
In region, the angle of inclination between the multiple culturing pool and horizontal plane gradually reduces from one end to the other end；All institutes
The the first and second openings connection stated between culturing pool is set, and first and second opening is provided with screen pack, described
The aperture of screen pack is not more than 50 mesh.During washed off soil, every square metre of contaminated soil elutes 4L.The culturing pool and the level
Angle between face is α, α=5.5 °.
Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until therein
Water reaches the 1/2 of cultivation tank depth, is circulated, is cultivated using running water afterwards；
Step 3: algae is transplanted into culturing pool；The algae is seaweed, divaricate gelidium thallus, sargassum thunbergii, opotism
Any one or a few in dish, Korean pine and sea lettuce.
Step 4: cray seedling is launched according to the cultivation density of 160,000/mu into the culturing pool, and daily to it
Twice, each injected volume is 110 kgs/acre to middle dispensing feed, and the feed includes the component of following parts by weight：The shrimp is blue or green
5 parts of element, 15 parts of fish meal, 10 parts of wormcast, 3 parts of microalgae extract, 4 parts of radix glycyrrhizae, 3 parts of chicken manure, 10 parts of folium isatidis powder and vegetables
Fresh 10 parts of blade powder, the folium isatidis powder and the fresh blade powder of vegetables are the powder of the fresh blade of corresponding plant.
Step 5: cultivating 2 months, after growing up to cray seedling, catch out；
Step 6: repeat step two to five, cultivates cray 2 times again；
Step 7: the breeding water described in venting in culturing pool, pushes over leveling again by the culturing pool afterwards, and
Repeat step one to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
Embodiment 4
A kind of method using cray breeding way repairing polluted soil, including：
Step 1: contaminated soil is digged and ploughing and weeding first, depth of turning soil 35cm, afterwards using dense containing volume
The aqueous hydrogen peroxide solution spent for 3% elutes the contaminated soil, digs multiple culturing pools afterwards with the contaminated soil region,
For the culturing pool using the contaminated soil as pool wall, the thickness of pool wall is 8cm, and the depth of each culturing pool is 2m, each culturing pool
Area be 34 mu, multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with the first and second openings, first He
Second opening is arranged on the pool wall of the culturing pool opposite side, and positioned at the bottom of the culturing pool, from the contaminated soil
In region, the angle of inclination between the multiple culturing pool and horizontal plane gradually reduces from one end to the other end；All institutes
The the first and second openings connection stated between culturing pool is set, and first and second opening is provided with screen pack, described
The aperture of screen pack is not more than 50 mesh.During washed off soil, every square metre of contaminated soil elutes 4~6L.The culturing pool with it is described
Angle between horizontal plane is α, α=9.5 °.
Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until therein
Water reaches the 1/2 of cultivation tank depth, is circulated, is cultivated using running water afterwards；
Step 3: algae is transplanted into culturing pool；The algae is seaweed, divaricate gelidium thallus, sargassum thunbergii.
Step 4: cray seedling is launched according to the cultivation density of 180,000/mu into the culturing pool, and daily to it
Twice, each injected volume is 120 kg/mu to middle dispensing feed, and the feed includes the component of following parts by weight：The shrimp is blue or green
7 parts of element, 17 parts of fish meal, 15 parts of wormcast, 5 parts of microalgae extract, 6 parts of radix glycyrrhizae, 6 parts of chicken manure, 15 parts of folium isatidis powder and vegetables
Fresh 12 parts of blade powder, the folium isatidis powder and the fresh blade powder of vegetables are the powder of the fresh blade of corresponding plant.
Step 5: cultivating 3 months, after growing up to cray seedling, catch out；
Step 6: repeat step two to five, cultivates cray 3 times again；
Step 7: the breeding water described in venting in culturing pool, pushes over leveling again by the culturing pool afterwards, and
Repeat step one to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
Embodiment 5
A kind of method using cray breeding way repairing polluted soil, including：
Step 1: contaminated soil is digged and ploughing and weeding first, depth of turning soil 40cm, afterwards using dense containing volume
The aqueous hydrogen peroxide solution spent for 4% elutes the contaminated soil, digs multiple culturing pools afterwards with the contaminated soil region,
For the culturing pool using the contaminated soil as pool wall, the thickness of pool wall is 10cm, and the depth of each culturing pool is 2m, each culturing pool
Area be 36 mu, multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with the first and second openings, first He
Second opening is arranged on the pool wall of the culturing pool opposite side, and positioned at the bottom of the culturing pool, from the contaminated soil
In region, the angle of inclination between the multiple culturing pool and horizontal plane gradually reduces from one end to the other end；All institutes
The the first and second openings connection stated between culturing pool is set, and first and second opening is provided with screen pack, described
The aperture of screen pack is not more than 50 mesh.During washed off soil, every square metre of contaminated soil elutes 5L.The culturing pool and the level
Angle between face is α, α=8.5 °.
Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until therein
Water reaches the 3/4 of cultivation tank depth, is circulated, is cultivated using running water afterwards；
Step 3: algae is transplanted into culturing pool；The algae is undaria pinnitafida, Korean pine and sea lettuce.
Step 4: cray seedling is launched according to the cultivation density of 250,000/mu into the culturing pool, and daily to it
Twice, each injected volume is 130 kgs/acre to middle dispensing feed, and the feed includes the component of following parts by weight：The shrimp is blue or green
8 parts of element, 18 parts of fish meal, 18 parts of wormcast, 4 parts of microalgae extract, 7 parts of radix glycyrrhizae, 7 parts of chicken manure, 18 parts of folium isatidis powder and vegetables
Fresh 14 parts of blade powder, the folium isatidis powder and the fresh blade powder of vegetables are the powder of the fresh blade of corresponding plant.
Step 5: cultivating 4 months, after growing up to cray seedling, catch out；
Step 6: repeat step two to five, cultivates cray 2 times again；
Step 7: the breeding water described in venting in culturing pool, pushes over leveling again by the culturing pool afterwards, and
Repeat step one to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
Embodiment 6
A kind of method using cray breeding way repairing polluted soil, including：
Step 1: contaminated soil is digged and ploughing and weeding first, depth of turning soil 48cm, afterwards using dense containing volume
The aqueous hydrogen peroxide solution spent for 4.5% elutes the contaminated soil, digs multiple cultivation afterwards with the contaminated soil region
Pond, the culturing pool is using the contaminated soil as pool wall, and the thickness of pool wall is 13cm, and the depth of each culturing pool is 2m, Mei Geyang
The area for growing pond is 38 mu, and multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with the first and second openings, and this
One and second opening be arranged on the pool wall of the culturing pool opposite side, and positioned at the culturing pool bottom, from the pollution
In soil region, the angle of inclination between the multiple culturing pool and horizontal plane gradually reduces from one end to the other end；Institute
There is the first and second openings connection between the culturing pool to set, first and second opening is provided with screen pack,
The aperture of the screen pack is not more than 50 mesh.During washed off soil, every square metre of contaminated soil elutes 6L.The culturing pool with it is described
Angle between horizontal plane is α, α=7 °.
Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until therein
Water reaches the 3/4 of cultivation tank depth, is circulated, is cultivated using running water afterwards；
Step 3: algae is transplanted into culturing pool；The algae is undaria pinnitafida and sea lettuce.
Step 4: cray seedling is launched according to the cultivation density of 250,000/mu into the culturing pool, and daily to it
Twice, each injected volume is 140 kgs/acre to middle dispensing feed, and the feed includes the component of following parts by weight：The shrimp is blue or green
5~10 parts of element, 15~20 parts of fish meal, 10~20 parts of wormcast, 7 parts of microalgae extract, 9 parts of radix glycyrrhizae, 7 parts of chicken manure, folium isatidis
12 parts of 19 parts of powder and the fresh blade powder of vegetables, the folium isatidis powder and the fresh blade powder of vegetables are corresponding plant fresh leaf
The powder of piece.
Step 5: cultivating 2.5 months, after growing up to cray seedling, catch out；
Step 6: repeat step two to five, cultivates cray 2 times again；
Step 7: the breeding water described in venting in culturing pool, pushes over leveling again by the culturing pool afterwards, and
Repeat step one to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
Embodiment 7
A kind of method using cray breeding way repairing polluted soil, including：
Step 1: contaminated soil is digged and ploughing and weeding first, depth of turning soil 50cm, afterwards using dense containing volume
The aqueous hydrogen peroxide solution spent for 5% elutes the contaminated soil, digs multiple culturing pools afterwards with the contaminated soil region,
For the culturing pool using the contaminated soil as pool wall, the thickness of pool wall is 15cm, and the depth of each culturing pool is 2m, each culturing pool
Area be 40 mu, multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with the first and second openings, first He
Second opening is arranged on the pool wall of the culturing pool opposite side, and positioned at the bottom of the culturing pool, from the contaminated soil
In region, the angle of inclination between the multiple culturing pool and horizontal plane gradually reduces from one end to the other end；All institutes
The the first and second openings connection stated between culturing pool is set, and first and second opening is provided with screen pack, described
The aperture of screen pack is not more than 50 mesh.During washed off soil, every square metre of contaminated soil elutes 6L.The culturing pool and the level
Angle between face is α, α=6 °.
Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until therein
Water reaches the 3/4 of cultivation tank depth, is circulated, is cultivated using running water afterwards；
Step 3: algae is transplanted into culturing pool；The algae is sargassum thunbergii, Korean pine and sea lettuce.
Step 4: cray seedling is launched according to the cultivation density of 300,000/mu into the culturing pool, and daily to it
Twice, each injected volume is 150 kgs/acre to middle dispensing feed, and the feed includes the component of following parts by weight：The shrimp is blue or green
10 parts of element, 20 parts of fish meal, 20 parts of wormcast, 8 parts of microalgae extract, 10 parts of radix glycyrrhizae, 8 parts of chicken manure, 20 parts of folium isatidis powder and vegetable
15 parts of the fresh blade powder of dish, the folium isatidis powder and the fresh blade powder of vegetables are the powder of the fresh blade of corresponding plant.
Step 5: cultivating 4 months, after growing up to cray seedling, catch out；
Step 6: repeat step two to five, cultivates cray 3 times again；
Step 7: the breeding water described in venting in culturing pool, pushes over leveling again by the culturing pool afterwards, and
Repeat step one to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
Comparative example
Traditional approach, more using chemical reagent elution etc. in-situ treatment mode, for it is pure input, deflection type processing mode, and
Slowly effect, input are big, and the not easily collecting of the chemical reagent after eluting, and secondary destroy etc. is caused to environment.
Module number and treatment scale described herein are the explanations for simplifying the present invention.Utilization to the present invention is small
The application of the method for lobster breeding way repairing polluted soil, modifications and variations are aobvious and easy to one skilled in the art
See.
As described above, according to the present invention, due to carrying out the cultivation of cray in contaminated soil region, therefore should
The area decontamination herein of contaminated soil, can be used in planting land used or other purposes, the original place for realizing contaminated soil is administered,
The cultivation of cray is also achieved simultaneously, is killed two birds with one stone, and the industrialization for realizing contaminated soil is administered, and is the improvement of contaminated soil
Provide a new way for having industrial output value rather than input.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details.
Claims (7)
- A kind of 1. method using cray breeding way repairing polluted soil, it is characterised in that including：Step 1: contaminated soil is digged first and ploughing and weeding, depth of turning soil are 30~50cm, afterwards using dense containing volume The aqueous hydrogen peroxide solution spent for 2%~5% elutes the contaminated soil, digs multiple support afterwards with the contaminated soil region Grow pond, for the culturing pool using the contaminated soil as pool wall, the thickness of pool wall is 5~15cm, the depth of each culturing pool for 1~ 2m, the area of each culturing pool is 30~40 mu, and multiple culturing pools are adjacent to each other, and each culturing pool is respectively provided with the first He Second opening, first and second opening are arranged on the pool wall of the culturing pool opposite side, and positioned at the bottom of the culturing pool Portion, out of described contaminated soil region, angle of inclination between the multiple culturing pool and horizontal plane is from one end to another End gradually reduces；Step 2: by the end of the multiple culturing pool, breeding water is injected into the culturing pool, until water therein reaches To the 1/2~3/4 of cultivation tank depth, circulated, cultivated using running water afterwards；Step 3: algae is transplanted into culturing pool；Step 4: cray seedling is launched according to the cultivation density of 15~300,000/mu into the culturing pool, and daily to it Twice, each injected volume is 100~150 kgs/acre to middle dispensing feed, and the feed includes astaxanthin；Step 5: cultivating 2~4 months, after growing up to cray seedling, catch out；Step 6: repeat step two to five, cultivates cray 2~3 times again；Step 7: the breeding water described in venting in culturing pool, pushes over leveling, and repeat again by the culturing pool afterwards Step 1 is to six, until the content of beary metal in the contaminated soil region is reduced to and meets corresponding national standard.
- 2. the method for cray breeding way repairing polluted soil is utilized as claimed in claim 1, it is characterised in that step 1 In, during washed off soil, every square metre of contaminated soil elutes 4~6L.
- 3. the method for cray breeding way repairing polluted soil is utilized as claimed in claim 1, it is characterised in that step 1 In, the angle between the culturing pool and the horizontal plane is α, 5 ° of 10 ° of ＜ α ＜.
- 4. the method for cray breeding way repairing polluted soil is utilized as claimed in claim 1, it is characterised in that Suo Yousuo The the first and second openings connection stated between culturing pool is set.
- 5. the method for cray breeding way repairing polluted soil is utilized as claimed in claim 1, it is characterised in that described the One and second opening be provided with screen pack, the aperture of the screen pack is not more than 50 mesh.
- 6. the method for cray breeding way repairing polluted soil is utilized as claimed in claim 1, it is characterised in that the algae Class plant is any one or a few in seaweed, divaricate gelidium thallus, sargassum thunbergii, undaria pinnitafida, Korean pine and sea lettuce.
- 7. the method for cray breeding way repairing polluted soil is utilized as claimed in claim 1, it is characterised in that the feeding Material includes the component of following parts by weight：5~10 parts of the astaxanthin, 15~20 parts of fish meal, 10~20 parts of wormcast, microalgae carry Take 3~8 parts of thing, 4~10 parts of radix glycyrrhizae, 3~8 parts of chicken manure, 10~20 parts of folium isatidis powder and the fresh blade powder 10~15 of vegetables Part, the folium isatidis powder and the powder that the fresh blade powder of vegetables is the fresh blade of corresponding plant.
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