Combined nested barrel type saline-alkali soil treatment method and nested barrel for treatment

Abstract

The invention discloses a combined nested barrel type saline-alkali soil treatment method and a nested barrel for treatment. An outer barrel is buried deep in a natural soil layer of saline-alkali soil, the barrel body bottom of the outer barrel is provided with outer barrel side holes which are covered with a salt-permeable film, the inner barrel is fixed in the center of the inside of the outerbarrel, and the barrel body bottom of the inner barrel is provided with inner barrel side holes which are covered with a semipermeable film; the inner barrel is filled with soil and organic fertilizeror living microbe fertilizer for vegetation planting, and a soil lining layer fills between the outer barrel and the inner barrel to support the inner barrel to stablize and transfer moisture; the soil lining layer between the inner barrel and the outer barrel is periodically cleaned off and transferred for treatment, and as the frequency of cleaning is increased, salt around the outer barrel isgradually reduced until being thoroughly eliminated. The invention can gradually allow the salt around the outer barrel to enter the bottom layer of the area between the inner barrel and the outer barrel, and by periodically cleaning off the saline and alkaline ingredients of the bottom layer of the area between the inner barrel and the outer barrel, the objective of gradually reducing the salineand alkaline ingredients around the outer barrel can be achieved. Moreover, by the ecological restoring and improving effects of a biological method on the saline-alkali soil, the objective of thoroughly treating the saline-alkali soil can be ultimately achieved.

Description

technical field

[0001] The invention belongs to the field of saline-alkali land treatment, and in particular relates to a treatment technology for gradually removing the salinity of saline-alkali land by using combined double barrels and double permeable membranes. Background technique

[0002] Saline-alkali land means that the salt contained in the soil affects the normal growth of crops. Ecological restoration and improvement of saline-alkali land is a project that benefits the country and the people. It can increase the area of ​​cultivated land, tap agricultural potential, and is more conducive to the development of the agricultural industry. According to incomplete statistics from UNESCO and FAO, the area of ​​saline-alkali land in the world is 954.38 million hectares, of which 9.913 million hectares are in my country. Most of the formation of alkaline soil and alkalized soil in my country is related to the accumulation of carbonate in the soil For example, in my country...

Examples

Embodiment 1

[0016] Embodiment 1: a kind of combined barrel type saline-alkali land treatment method, by means of figure 1 The structure of the outer barrel 1 and the inner barrel 2 is shown, wherein the outer barrel 1 is buried deep in the original soil layer 14 of the saline-alkali land, and the bottom of the barrel body of the outer barrel 1 is provided with an outer barrel side hole 3, and the outer barrel side hole 3 is covered with The salt-permeable membrane 4 allows moisture and salt to enter the inside of the outer tub 1 . The inner barrel 2 is fixed on the inner center of the outer barrel 1, and the height of the inner barrel is higher than that of the outer barrel, so there is a matching gap. The bottom of the barrel body of the inner barrel 2 is provided with an inner barrel side hole 5, and the inner barrel side hole 5 is covered with a semi-permeable membrane 6, and only moisture is allowed to enter the interior of the inner barrel 2 by utilizing the one-way permeation functi...

Embodiment 2

[0022] Embodiment 2: on the basis of embodiment 1, as figure 2 with image 3 As shown, the bottom of the inner barrel 2 is fixed to the outer barrel 1, and the soil liner 13 is filled between the outer barrel 1 and the inner barrel 2 to support the stability of the inner barrel 2. A ring barrel 9 is set between the outer barrel 1 and the inner barrel 2. Through holes are arranged at the bottom of the inner and outer walls of the ring barrel 9 and ring mesh layers are respectively installed to form a ring mesh wall 10. The soil liner 13 is filled in the ring barrel 9. , extract each ring barrel 9 regularly, and clean up and transfer the soil liner 13 and the salt inside the ring barrel 9 . The hoisting hole 11 is provided on the top of the ring sleeve barrel 9 to facilitate regular hoisting and processing. By adding ring barrels 9 between the inner and outer barrels, the present invention can regularly extract the soil and salt in the ring area more conveniently and quickly,...

Embodiment 3

[0024] Embodiment 3: as figure 1The semi-permeable membrane saline-alkali land ecological control kit shown includes an outer barrel and an inner barrel. The bottom of the barrel body of the outer barrel is provided with a side hole of the outer barrel, and the side hole of the outer barrel is covered with a salt-permeable membrane that allows water and salt to enter the interior of the outer barrel. The inner barrel is fixed in the inner center of the outer barrel, and the height of the inner barrel is higher than that of the outer barrel. The bottom of the barrel body of the inner barrel is provided with a side hole of the inner barrel, and the side hole of the inner barrel is covered with a semi-permeable membrane that only allows water to enter the inner barrel; the inner barrel is filled with soil and organic fertilizer or microorganisms The live fertilizer is used for vegetation planting, and the bottom filling soil liner between the outer barrel and the inner barrel is u...

technical field

[0001] The invention belongs to the field of saline-alkali land treatment, and in particular relates to a treatment technology for gradually removing the salinity of saline-alkali land by using combined double barrels and double permeable membranes. Background technique

[0002] Saline-alkali land means that the salt contained in the soil affects the normal growth of crops. Ecological restoration and improvement of saline-alkali land is a project that benefits the country and the people. It can increase the area of ​​cultivated land, tap agricultural potential, and is more conducive to the development of the agricultural industry. According to incomplete statistics from UNESCO and FAO, the area of ​​saline-alkali land in the world is 954.38 million hectares, of which 9.913 million hectares are in my country. Most of the formation of alkaline soil and alkalized soil in my country is related to the accumulation of carbonate in the soil For example, in my country...

Examples

Embodiment 1

[0016] Embodiment 1: a kind of combined barrel type saline-alkali land treatment method, by means of figure 1 The structure of the outer barrel 1 and the inner barrel 2 is shown, wherein the outer barrel 1 is buried deep in the original soil layer 14 of the saline-alkali land, and the bottom of the barrel body of the outer barrel 1 is provided with an outer barrel side hole 3, and the outer barrel side hole 3 is covered with The salt-permeable membrane 4 allows moisture and salt to enter the inside of the outer tub 1 . The inner barrel 2 is fixed on the inner center of the outer barrel 1, and the height of the inner barrel is higher than that of the outer barrel, so there is a matching gap. The bottom of the barrel body of the inner barrel 2 is provided with an inner barrel side hole 5, and the inner barrel side hole 5 is covered with a semi-permeable membrane 6, and only moisture is allowed to enter the interior of the inner barrel 2 by utilizing the one-way permeation functi...

Embodiment 2

[0022] Embodiment 2: on the basis of embodiment 1, as figure 2 with image 3 As shown, the bottom of the inner barrel 2 is fixed to the outer barrel 1, and the soil liner 13 is filled between the outer barrel 1 and the inner barrel 2 to support the stability of the inner barrel 2. A ring barrel 9 is set between the outer barrel 1 and the inner barrel 2. Through holes are arranged at the bottom of the inner and outer walls of the ring barrel 9 and ring mesh layers are respectively installed to form a ring mesh wall 10. The soil liner 13 is filled in the ring barrel 9. , extract each ring barrel 9 regularly, and clean up and transfer the soil liner 13 and the salt inside the ring barrel 9 . The hoisting hole 11 is provided on the top of the ring sleeve barrel 9 to facilitate regular hoisting and processing. By adding ring barrels 9 between the inner and outer barrels, the present invention can regularly extract the soil and salt in the ring area more conveniently and quickly,...

Embodiment 3

[0024] Embodiment 3: as figure 1The semi-permeable membrane saline-alkali land ecological control kit shown includes an outer barrel and an inner barrel. The bottom of the barrel body of the outer barrel is provided with a side hole of the outer barrel, and the side hole of the outer barrel is covered with a salt-permeable membrane that allows water and salt to enter the interior of the outer barrel. The inner barrel is fixed in the inner center of the outer barrel, and the height of the inner barrel is higher than that of the outer barrel. The bottom of the barrel body of the inner barrel is provided with a side hole of the inner barrel, and the side hole of the inner barrel is covered with a semi-permeable membrane that only allows water to enter the inner barrel; the inner barrel is filled with soil and organic fertilizer or microorganisms The live fertilizer is used for vegetation planting, and the bottom filling soil liner between the outer barrel and the inner barrel is u...

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