CN115119655A - Device and method for repairing cracks in mining disturbance area of underground mine - Google Patents
Device and method for repairing cracks in mining disturbance area of underground mine Download PDFInfo
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- CN115119655A CN115119655A CN202110321382.8A CN202110321382A CN115119655A CN 115119655 A CN115119655 A CN 115119655A CN 202110321382 A CN202110321382 A CN 202110321382A CN 115119655 A CN115119655 A CN 115119655A
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- 239000003864 humus Substances 0.000 claims abstract description 15
- 230000001737 promoting effect Effects 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 11
- 230000002786 root growth Effects 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims abstract description 7
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- 239000000843 powder Substances 0.000 claims description 3
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
- A01G9/0291—Planting receptacles specially adapted for remaining in the soil after planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/04—Self-acting watering devices, e.g. for flower-pots using wicks or the like
- A01G27/06—Self-acting watering devices, e.g. for flower-pots using wicks or the like having a water reservoir, the main part thereof being located wholly around or directly beside the growth substrate
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- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Botany (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a device and a method for repairing cracks in a mining disturbance area in a well, wherein the device comprises a seedling hole for planting sea buckthorn seedlings, a water storage device and a supporting device. The seedling holes are internally provided with a humus layer, an evaporation prevention layer, a root growth promoting layer and a moisture diffusion layer from top to bottom in sequence, the two side surfaces of the seedling holes facing the crack wall body are provided with drawable partition plates, and the two side surfaces adjacent to the two side surfaces of the seedling holes facing the crack wall body and the bottoms of the seedling holes are provided with net structures. The water storage device is arranged at the bottom of the seedling hole, and the moisture diffusion layer is provided with a suction pipe which can be communicated with the inside of the water storage device. The supporting device is laid on the crack, and the water storage device is arranged on the supporting device. The main structures of the seedling holes, the water storage device and the supporting device are all made of wood materials. The device and the method provided by the invention can effectively improve the ecological environment of the mining subsidence area and promote ecological restoration.
Description
Technical Field
The invention relates to the technical field of mine exploitation ground crack repair, in particular to a device and a method for repairing a crack in a mining disturbance area in a well industry and a mine exploitation.
Background
The ground fissure is a geological phenomenon that surface rock and soil body are cracked under the action of natural or artificial factors and form a fissure on the ground, for example, the ground fissure is frequently generated in a mining place of a mine. The ground cracks can cause a series of problems of plant root system damage, soil moisture and nutrient loss and the like. At present, the treatment measures for ground crack disasters mostly adopt a principle of prevention, existing ground cracks are repaired by a method of filling and backfilling, and the method has the problems that the activity of the ground cracks causes the repeated construction of repair engineering to cause waste, the repaired land cannot be fully utilized, and landscape is lost.
In addition, in some prior arts, although the method has a good effect on shrub planting in an open pit dump, only a method for layering and paving soil is provided, and a water retention layer is directly contacted with peripheral soil and cannot effectively retain water, so that the method cannot be applied to crack repair in a crack generation area of a minery.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device and a method for repairing cracks in a mining and mining disturbance area, which improve the water and fertilizer retention capacity of soil, promote shrub development, repair the cracks in a mining and mining subsidence area of the mining and mining area, promote the improvement of soil quality and landscape restoration, and enhance the nutrient, water exchange and structural association on two sides of the cracks by taking plants as bridges while retaining water, thereby ensuring the slow release of water, not affecting the diffusion of vegetation root systems, effectively promoting the repair and healing of the cracks, reducing manual intervention, fully utilizing the ecological self-repair capacity and quickly improving the landscape and ecological conditions of the cracks in the mining and mining area.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a well mining disturbance area crack repairing device comprises a seedling hole for planting sea buckthorn seedlings, a water storage device and a supporting device. Wherein, the seedling cave is internally provided with a humus layer, an evaporation prevention layer, a root system growth promoting layer and a moisture diffusion layer from top to bottom in sequence, two side surfaces of the crack wall body above the seedling cave are provided with drawable clapboards, and two side surfaces adjacent to the two side surfaces of the crack wall body above the seedling cave and the bottom of the seedling cave are both provided with a reticular structure. The water storage device is arranged at the bottom of the seedling hole, and the moisture diffusion layer is provided with a suction pipe which can be communicated with the inside of the water storage device. The supporting device is laid on the crack, and the water storage device is arranged on the supporting device. The main structures of the seedling holes, the water storage device and the supporting device are all made of wood materials.
According to the device for repairing the cracks in the mining disturbance area of the underground mine, the cracks in the mining subsidence area in the area with large soil layer disturbance can be repaired, a 'side isolation' water retention measure is adopted, water is slowly released, long-time water supply to surrounding soil is guaranteed, compared with filling type crack repair, the device pays more attention to fully utilizing ecological self-repairing force to repair the cracks, seedling holes are made of degradable pollution-free materials, meanwhile, the root system of shrubs is promoted to extend towards the wall of the cracks, ecological recovery of the damaged area is promoted, manual intervention is reduced, and the cracks generated in the mining disturbance area of the underground mine can be repaired while landscape is recovered.
With respect to the above technical solution, further improvements as described below can be made.
According to the well mining disturbance area crack repairing device, in a preferred embodiment, the main body structure of the seedling hole is a frame structure formed by bamboo strips which are arranged from top to bottom at intervals, and two side faces, adjacent to two side faces of the seedling hole facing to the crack wall body, and the bottom of the seedling hole are provided with nylon nets.
The nylon nets are arranged on the two side faces and the bottom of the seedling holes, which are not in direct contact with the crack wall body, so that the structure of the whole device can be effectively simplified, the cost can be saved, and meanwhile, the soil loss in the seedling holes can be effectively avoided, and the growth of sea buckthorn seedlings and the extending of the soil around cracks can be facilitated, and the viability can be enhanced.
Further, in a preferred embodiment, 2 layers of 200-mesh nylon nets are arranged on two side surfaces adjacent to two side surfaces of the crack wall body on the seedling holes, and 3 layers of 400-mesh nylon nets are arranged at the bottoms of the seedling holes.
Through set up the nylon wire net of different numbers of piles and different mesh in the side of difference, under the prerequisite of guaranteeing to avoid soil loss, can the cost is saved as far as to rational utilization material.
Specifically, in a preferred embodiment, siphon strings are disposed in the moisture diffusion layer at regular intervals.
Through setting up the siphon rope, can effectively ensure the moisture diffusion layer to the moisture retention effect of seabuckthorn seedling root in longer time.
Specifically, in a preferred embodiment, the main body of the water storage device is a bamboo basket structure, and a plastic bag made of degradable materials is laid in the bamboo basket structure.
The water storage device made of the materials can effectively avoid environmental pollution on the premise of ensuring good water resource storage.
In particular, in a preferred embodiment, the support means is a bamboo bridge bundled in rows by a uniform array of bamboo strips.
The supporting device with the structure form has the advantages of simple structure, low cost, convenience in manufacturing and laying, and capability of effectively avoiding environmental pollution.
The method for repairing the cracks in the mining disturbance area of the well engineering mine in the second aspect of the invention is implemented by adopting the device, and specifically comprises the following steps: s01, manufacturing the device S02, digging grooves with preset sizes on two sides of the pre-repaired crack, laying a supporting device on the pre-repaired crack, and arranging the seedling hole and the water storage device on the supporting device in a combined mode. S03, sequentially adding a moisture diffusion layer, a root growth promoting layer, an evaporation preventing layer and a humic layer with preset thicknesses from bottom to top in the seedling holes, wherein the evaporation preventing layer and the humic layer are laid after the sea buckthorn seedlings are planted in the root growth promoting layer and compacted.
Obviously, according to the method for repairing the cracks in the mining disturbance area in the underground mine, the device is adopted, so that the ecological environment of the mining subsidence area can be effectively improved, and ecological restoration is promoted.
With respect to the above technical solution, further improvements as described below can be made.
Specifically, in a preferred embodiment, the moisture diffusion layer is sandy soil with the grain diameter of 0.2-0.05mm, and the root system growth promoting layer is total nutrient mass fraction P 2 O 5 +K 2 More than or equal to 6 percent of loam, the evaporation prevention layer is coarse sand with the grain diameter of 0.3-0.6mm, and the humus layer is humus collected nearby the mining area.
The soil composed of the different components can provide a good growth environment for sea buckthorn seedlings and promote ecological restoration.
Further, in a preferred embodiment, in step S03, two-year-old sea buckthorn seedlings are selected as sea buckthorn seedlings, and root dipping is performed on the sea buckthorn seedlings in a rooting powder solution with a concentration of 800ppm before planting.
The treatment mode can ensure the survival rate of the sea buckthorn seedlings to a great extent.
Further, in a preferred embodiment, in step S03, the seabuckthorn seedlings are planted by burying the seedlings in the compacted soil every 10cm, and watering the seedlings at least twice after planting, so as to ensure that the water is stored in the rhizosphere for 15 minutes.
Through the steps, the water retention effect on the sea buckthorn seedlings can be further ensured, and the sea buckthorn seedlings do not need to be subjected to water and nutrient management in the later period.
Compared with the prior art, the invention has the advantages that: through mining area soil improvement, improve soil water conservation and fertilizer conservation ability, promote shrub development, restore the crack in the underground mining area subsidence area, promote soil quality's improvement and view restoration, when the moisturizing, use the plant as the bridge, strengthen the nutrient of crack both sides, moisture exchange and structural association, not only guarantee the slowly-releasing of moisture, can not influence the diffusion of vegetation root system yet, can effectively promote the restoration of crack and heal and reduce artificial intervention, make full use of ecological selfreparing ability, improve the view and the ecological situation of underground mining area ground crack fast.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the drawings. Wherein:
FIG. 1 schematically illustrates a front view of a seedling well according to an embodiment of the present invention;
FIG. 2 schematically illustrates a top view of a seedling well according to an embodiment of the present invention;
fig. 3 schematically shows a front view structure of a water storage device according to an embodiment of the present invention;
fig. 4 schematically shows a top view structure of the water storage apparatus according to the embodiment of the invention;
FIG. 5 schematically illustrates a front view of a support device according to an embodiment of the present invention;
fig. 6 schematically shows a top view of a support device according to an embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without thereby limiting the scope of protection of the invention.
Fig. 1 schematically shows a front view of a seedling well 1 according to an embodiment of the present invention. Fig. 2 schematically shows a top view of a seedling well 1 according to an embodiment of the present invention. Fig. 3 schematically shows a front view of the water storage device 2 according to the embodiment of the invention. Fig. 4 schematically shows a top view structure of the water storage apparatus 2 according to the embodiment of the invention. Fig. 5 schematically shows a front view structure of the supporting device 3 of the embodiment of the present invention. Fig. 6 schematically shows a top view of the supporting device 3 according to an embodiment of the present invention.
Example 1
As shown in fig. 1 to 6, the well mining disturbed area crack repairing device according to the embodiment of the present invention includes a seedling hole 10 for planting sea buckthorn seedlings, a water storage device 20 and a support device 30. Wherein, a humus layer 101, an evaporation prevention layer 102, a root system growth promoting layer 103 and a moisture diffusion layer 104 are sequentially arranged in the seedling hole 10 from top to bottom, two side surfaces A1 and A3 of the crack wall body on the seedling hole 10 are arranged into drawable clapboards, and two side surfaces A2 and A4 adjacent to the two side surfaces A1 and A3 of the crack wall body on the seedling hole 10 and the bottom of the seedling hole 1 are all arranged into a net structure. The water storage device 20 is arranged at the bottom of the seedling hole 10, and the moisture diffusion layer 104 is provided with a suction pipe capable of communicating with the inside of the water storage device 20. The supporting device 30 is laid on the crack, and the water storage device 20 is disposed on the supporting device 30. The main structures of the seedling holes 10, the water storage device 20 and the support device 30 are all made of wood.
According to the device for repairing the cracks in the mining disturbance area of the underground mine, provided by the embodiment of the invention, the cracks in the coal mining subsidence area in the area with large soil layer disturbance can be repaired, a 'side isolation' water retention measure is adopted, water is slowly released, and long-time water supply to surrounding soil is ensured.
As shown in fig. 1 and fig. 2, in the present embodiment, the main structure of the seedling cavity 10 is a frame structure formed by bamboo strips arranged at intervals from top to bottom, and nylon nets are respectively disposed on the two side surfaces a2, a4 adjacent to the two side surfaces a1, A3 facing the crack wall on the seedling cavity 10 and at the bottom of the seedling cavity 10. The nylon nets are arranged on the two side faces and the bottom of the seedling holes, which are not in direct contact with the crack wall body, so that the structure of the whole device can be effectively simplified, the cost can be saved, and meanwhile, the soil loss in the seedling holes can be effectively avoided, and the growth of sea buckthorn seedlings and the extending of the soil around cracks can be facilitated, and the viability can be enhanced. Further, in the present embodiment, 2 layers of 200 mesh nylon nets are disposed on the two side surfaces a2 and a4 adjacent to the two side surfaces a1 and A3 of the seedling hole 10 facing the crack wall, and 3 layers of 400 mesh nylon nets are disposed at the bottom of the seedling hole 10. Through set up the nylon wire net of different numbers of piles and different mesh in the side of difference, under the prerequisite of guaranteeing to avoid soil loss, can the cost is saved as far as to rational utilization material.
Specifically, in the present embodiment, as shown in fig. 1, siphon strings 105 are provided at uniform intervals in the moisture diffusion layer 104. Through setting up the siphon rope, can effectively ensure the moisture diffusion layer to the moisture retention effect of seabuckthorn seedling root in longer time.
As shown in fig. 3 and 4, in the present embodiment, the main body of the water storage device 20 is a bamboo basket structure, and a plastic bag 201 made of degradable material is laid in the bamboo basket structure. The water storage device made of the materials can effectively avoid the pollution to the environment on the premise of well storing water resources.
As shown in fig. 5 and 6, in particular, in the present embodiment, the supporting device 30 is a bamboo bridge bundled in rows by uniformly arranged bamboo strips. The supporting device with the structure is simple in structure, low in cost, convenient to manufacture and lay and capable of effectively avoiding environmental pollution.
Specifically, in this embodiment, the seedling holes 10 are of a bamboo frame structure of 50cm × 50cm × 80cm, the bamboo frame structure is composed of bamboo strips 8 with a water storage device of 2cm width and a thickness of 0.5cm, and the bamboo strips are fixed from top to bottom at intervals of 20 cm. The lower bamboo strips are fixed from the A1 surface to the A3 surface, the lower bamboo strips are fixed once every 5cm, siphon ropes are bound at the intersections of the bamboo strips, and the droop length is 30 cm. The water storage device is a bamboo basket structure with the thickness of 50cm multiplied by 20cm, and a degradable plastic bag made of PLA material is paved in the bamboo basket structure. The water storage device 20 is filled with water and is fixed at the lower end of the seedling hole 10 in a binding mode, and the siphon rope 105 at the lower end of the seedling hole 10 is immersed in the water storage device 20. The supporting device 30 is a bamboo bridge, which is formed by binding bamboo in rows, the diameter of each bamboo is more than 3cm, and the length is adjusted according to the width of a crack. The thickness of the humus layer 101 in the seedling hole 10 is 3cm, the thickness of the evaporation prevention layer 102 is 3cm, the thickness of the root system growth promoting layer 103 is 56cm, the thickness of the moisture diffusion layer 104 is 20cm, and the sea buckthorn seedlings 106 are arranged in the seedling hole.
Example 2
The method for repairing the cracks in the mining disturbance area of the underground mine is implemented by adopting the device, and specifically comprises the following steps: s01, manufacturing the device. S02, digging grooves with preset sizes on two sides of the pre-repaired crack, laying a supporting device on the pre-repaired crack, and placing the seedling hole and the water storage device on the supporting device in a combined mode. S03, sequentially adding a moisture diffusion layer, a root growth promoting layer, an evaporation preventing layer and a humic layer with preset thicknesses from bottom to top in the seedling holes, and compacting, wherein the evaporation preventing layer and the humic layer are laid after the sea buckthorn seedlings are planted on the root growth promoting layer and compacted.
Obviously, according to the method for repairing the cracks in the mining disturbance area in the underground mine, the device is adopted, so that the ecological environment of the mining subsidence area can be effectively improved, and ecological restoration is promoted.
Specifically, in step S02, after the crack repairing position is determined, clamping grooves with a width of 50cm, a depth of 30cm and a depth of 100cm are dug on two sides of the crack, a bamboo bridge is placed, and different numbers of the above devices are placed according to the width of the crack, when the device is placed, the a1 and A3 surfaces of the seedling pit 10 face the crack wall, and after the device is buried, the partition boards on the a1 and A3 surfaces are removed.
Specifically, in this embodiment, the moisture diffusion layer 104 is sandy soil with a particle size of 0.2-0.05mm, and the root growth promoting layer 103 is total nutrient mass fraction P 2 O 5 +K 2 The loam with O more than or equal to 6 percent prevents the evaporation layer 102 from being coarse sand with the grain diameter of 0.3-0.6mm, and the humus layer 101 is humus collected nearby the mining area. The soil composed of the different components can provide a good growth environment for sea buckthorn seedlings and promote ecological restoration.
Further, in this embodiment, in step S03, two-year-old sea buckthorn seedlings are selected as the sea buckthorn seedlings 106, and root dipping is performed in a root-inducing powder solution with a concentration of 800ppm before planting. The treatment mode can ensure the survival rate of the sea buckthorn seedlings to a great extent. Further, in this embodiment, in step S03, the seabuckthorn seedlings 106 are planted by burying the soil at a depth of every 10cm, and watering is performed at least twice after planting, so as to ensure that the water is stored in the rhizosphere for 15 minutes. Through the steps, the water retention effect on the sea buckthorn seedlings can be further ensured, and the sea buckthorn seedlings do not need to be subjected to water and nutrient management in the later period.
Specific fracture repair embodiments:
in 2019, 3 and 20 months, in a crack position with the width of 50cm, the length of 500cm and the depth of 150cm in a large willow tower coal mine coal mining subsidence area, grooves with the depth of 25cm and the depth of 100cm are dug on two sides of the crack by using the method of the embodiment of the invention, and a bamboo bridge is cut off and laid on the crack with the length of 100 cm; adding 20cm of water diffusion layer soil into the seedling holes, compacting, adding 56cm of root growth promoting layer soil according to the length of the root system of the sea buckthorn seedlings, compacting every 10cm, covering a 3cm evaporation preventing layer, finally covering a 3cm humus layer, paving PLA degradable plastics in the water storage device, filling water, and combining the seedling holes and the water storage device. The seedling holes A1 and A3 face the crack wall, the bamboo bridge is placed on the bamboo bridge, a 400-mesh nylon net is laid in the gap between the seedling holes and the water storage device, and the crack is simply covered with humus after being compacted by surrounding soil. Watering after the installation is finished until the moisture of the seabuckthorn seedlings is kept for more than 15 minutes, regarding as water saturation, and then not managing the moisture and the nutrients. And recording the growth state of the sea buckthorn seedlings and the number of the new species around the sea buckthorn seedlings.
A specific crack repair comparison scheme:
and (3) repairing a crack at a crack position with the width of 40cm, the length of 570cm and the depth of 155cm in the subsidence area of the large willow tower coal mine in 2019, 3 and 22 days, and compacting after the crack is repaired by using a traditional landfill mode.
On-site discovery in 2019, 7, 22 months shows that the survival state of the sea buckthorn seedlings on the device is good, 13 new biological species appear on the device and around the device, and the number of the new biological species is more than 7 of the new biological species in a landfill area; the water content of the soil around the sea buckthorn seedlings is 27 percent and is higher than 13 percent of the water content of the soil in the landfill area; in the embodiment of the invention, the coverage of the experimental region is 60%, and the coverage of the crack landfill region is 25%; therefore, the device and the method provided by the embodiment of the invention can effectively improve the ecological environment of the mining subsidence area and promote ecological restoration.
According to the embodiment, the device and the method for repairing the soil cracks in the underground mining disturbance area improve the water and fertilizer retention capacity of the soil through the soil improvement of the mining area, promote the development of shrubs, repair the cracks in the underground mining soil subsidence area, promote the improvement of the soil quality and the landscape restoration, and enhance the nutrient and water exchange and structural association of the two sides of the cracks by using plants as bridges while retaining water, so that the slow release of water is ensured, the diffusion of vegetation root systems is not influenced, the repair and healing of the cracks can be effectively promoted, the manual intervention is reduced, the ecological self-repairing capacity is fully utilized, and the landscape and ecological conditions of the ground cracks in the underground mining area are rapidly improved.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A well mining disturbance area crack repairing device is characterized by comprising a seedling hole for planting sea buckthorn seedlings, a water storage device and a supporting device; wherein,
the seedling hole is internally provided with a humus layer, an evaporation prevention layer, a root growth promoting layer and a moisture diffusion layer from top to bottom in sequence, wherein two side surfaces of the seedling hole facing to the crack wall body are provided with drawable partition plates, and two side surfaces adjacent to the two side surfaces of the seedling hole facing to the crack wall body and the bottom of the seedling hole are both provided with a net structure;
the water storage device is arranged at the bottom of the seedling hole, and the moisture diffusion layer is provided with a straw which can be communicated with the inside of the water storage device;
the supporting device is laid on the crack, and the water storage device is arranged on the supporting device;
the seedling hole, the water storage device and the support device are all made of wood.
2. The well mining disturbance area crack repairing device according to claim 1, wherein the main body structure of the seedling hole is a frame structure formed by bamboo strips which are arranged from top to bottom at intervals, and two side faces adjacent to two side faces of the crack wall body on the seedling hole and the bottom of the seedling hole are both provided with nylon nets.
3. The well mining disturbance area crack repairing device according to claim 2, wherein 2 layers of 200-mesh nylon nets are arranged on two side faces, adjacent to two side faces of the crack wall body, on the seedling hole, and 3 layers of 400-mesh nylon nets are arranged at the bottom of the seedling hole.
4. The mineworking mining disturbance zone crack repair device according to any one of claims 1 to 3, wherein siphon strings are arranged in uniform intervals in the moisture diffusion layer.
5. The well mining disturbance area crack repairing device according to any one of claims 1 to 3, wherein the main body of the water storage device is a bamboo basket structure, and plastic bags made of degradable materials are paved in the bamboo basket structure.
6. The minery mining disturbance zone crack repair device according to any one of claims 1 to 3, wherein the support device is a bamboo bridge bundled in rows by uniformly arranged bamboo strips.
7. A method for repairing a crack in a disturbed area of mining for a well, which is implemented by the device of any one of the claims 1 to 6 and is characterized by comprising the following steps:
s01, manufacturing the device;
s02, digging grooves with preset sizes on two sides of the pre-repaired crack, laying the supporting device on the pre-repaired crack, and placing the seedling hole and the water storage device on the supporting device in a combined mode;
s03, from the bottom up in seedling hole add in proper order and predetermine thickness the moisture diffusion layer the root system promotes the layer prevent the evaporation layer with the humus layer, wherein, prevent the evaporation layer with the humus layer is planted in the sea buckthorn seedling promote the layer and lay after the compaction.
8. The method for repairing the cracks in the mining disturbance area of the well engineering mine according to claim 7, wherein the moisture diffusion layer is sandy soil with the grain size of 0.2-0.05mm, the root system growth promoting layer is loam with the total nutrient mass fraction of P2O5+ K2O being more than or equal to 6%, the evaporation preventing layer is coarse sand with the grain size of 0.3-0.6mm, and the humus layer is humus collected nearby the mining area.
9. The method for repairing a crack in a disturbed area of mining for mines according to claim 7 or 8, wherein two-year-old sea buckthorn seedlings are selected as the sea buckthorn seedlings in the step S03, and root dipping treatment is performed on the sea buckthorn seedlings in rooting powder solution with the concentration of 800ppm before planting.
10. The method for repairing cracks in a disturbed area of mining for mines according to claim 7 or 8, wherein in the step S03, when sea buckthorn seedlings are planted, the soil is compacted every 10cm by burying depth, and watering is carried out at least twice after planting is finished, so that the water storage time of the rhizosphere is guaranteed to be 15 minutes.
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