CN102418529A - Mining method - Google Patents
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- CN102418529A CN102418529A CN2011102584085A CN201110258408A CN102418529A CN 102418529 A CN102418529 A CN 102418529A CN 2011102584085 A CN2011102584085 A CN 2011102584085A CN 201110258408 A CN201110258408 A CN 201110258408A CN 102418529 A CN102418529 A CN 102418529A
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Abstract
The invention relates to a mining method, in particular relates to a resource comprehensive utilization method of a building stone type mine by virtue of opencast working and belongs to the technical field of mining. The mining method comprises the following steps: utilizing surface layer vegetation of the mine, utilizing surface soil of the mine, utilizing regolith rocks of the mine, utilizing rocks in a crude ore mining area of the mine, producing special stone, producing machine-made sand by utilizing tailings and wastes, recycling and reusing dust, washing ore finished products with water, treating sewage generated by cleaning of the ore finished products and the like. The mining method has the advantages of being environmentally-friendly to ecology and realizing optimal utilization of resources. Furthermore, the mining method can be used for utilizing the rocks, waste stone, stone waste and the tailings at the uppermost layer of the mine, which are relatively low in ore quality, as well as the dust, coarse sand and fine sand, which are obtained through the recycling process; and cement with high grade is further mixed for developing a concrete material which is suitable for manufacturing cement standard bricks, porous bricks and a plurality of building blocks, thereby not only avoiding the pollution and the waste, but also creating extra earnings for a company.
Description
Technical field
The present invention relates to a kind of method of exploiting the mine, relate in particular to a kind of comprehensive utilization of resources method of having an opencast mining of building stone type mine, belong to the mining technical field.
Background technology
Development of human society depends on material, and mineral resources then are one of these important substance bases.At present, the energy more than 95%, the capital goods in the agricultural sector more than the raw material of industry more than 80% and 70% are all from mineral resources.Mineral resources come from the mine mostly; And strip mining transformation building stone type mine can account for total mine about 60% as the part in all kinds of mines of China with regard to the number of mine, so the degree of its comprehensive utilization of resources realization; Very important effect is played in China's mine resources comprehensive utilization overall development; In building field, mine, how to fully utilize mine resources, the protection mine environment is built green mine; Advance green mining industry to do more and benefit our pursuits, promote the lasting healthy coordinated development of exploitation of mineral resources comprehensive utilization and ecological environment to have important directive significance.
Summary of the invention
The objective of the invention is for solving the problems of the technologies described above, a kind of method of exploiting the mine is provided.
Above-mentioned technical purpose of the present invention is achieved through following technical scheme:
The method in exploitation mine may further comprise the steps:
1. the utilization of top layer, mine vegetation
1) transplants preceding preparation: select nursery stock to be transplanted;
2) lifting: the processing of before transplanting, being completely cured in advance several times, promptly dug the groove of wide 20cm～25cm at first in advance in 2～3 months in the position of nursery stock 10～50cm, dig below the main root fork; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water; Wait for 2～3 months,, dig below the main root fork of said nursery stock at the new ditching groove in side of existing groove; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water, and then wait for 2～3 months; Repeat above-mentioned steps, said nursery stock is surrounded entirely until all grooves; Dig tree, pruning, parcel trunk, shipment after waiting for 2～3 months more again;
2. the utilization of mine table soil
With the usefulness of a table soil storage part of peeling off as land reclamation in mining area;
3. the utilization of mine weathered layer rock
After decayed rock peeled off, be used for industrial place infrastructure construction if as the basic earthwork engineering materials of newly-built highway;
4. the utilization of mine tcrude ore mining area rock
Tcrude ore mining area layer rock is used for production and processing becomes the following concrete of C30;
5. produce special-purpose building stones
Middle lower floor rock is adopted the impact type crushing process, produce multiple building aggregate;
6. utilize tailing waste thing production mechanism sand
Utilize the barren rock, aggregate chips, the mine tailing Development and Production high-grade concrete that produce in above each step to use machine-processed sand;
7. dust recycling
Use steel plate to seal to factory, the sweep-up pipe road junction of simultaneously dust being united dust catcher is arranged on crushing appliance below and factory building eminence, in the dust collection tube with dust collection to dust associating dust catcher; Simultaneously, the isolated stone flour of sand powder separator is also collected said in the dust collection tube of dust associating dust catcher; The dust of collecting is used for the making of cement standard brick, porous brick and multiple building block;
8. the ore finished product cleans
9. the ore finished product cleans the processing of the sewage that produces
1) through spiral separator the sewage medium coarse sand is separated, make the solid content of sewage drop to 10% from 14%; The coarse sand of collecting uses as the concrete construction materials;
2) fine sand in the sewage is separated with high frequency shale shaker through the cyclone group, make the sewage solid content drop to 8% from 10%; The fine sand of collecting uses as the concrete construction materials;
3) in sewage, add polyacrylamide, mud is precipitated in sedimentation basin, mud is with after water separates fast, and the clear water that post precipitation obtains is used for the cleaning of ore finished product material once more;
4) in sedimentation basin, after sludge settling gets off, use the automatic arm-tie filter press of van-type that mud is handled, make the mud of deposition become the mud cake of moisture content≤20% after treatment, said mud cake uses as the raw material of clinker brick;
10. the rock with the 4. said tcrude ore of step mining area is ground into the particulate that particle diameter is 2～3mm; The 6. described barren rock of step, aggregate chips and mine tailing are broken into the sandstone that particle diameter is 5～8mm; The sandstone that step is separated the coarse sand obtain and said 5～8mm through spiral separator in 9. is that (mixed of 3～4) ︰ 1 makes coarse fodder with mass ratio; With step 9. in through the cyclone group separate with high frequency shale shaker the fine sand that obtains and said particle diameter be the particulate of 2～3mm with quality arbitrarily than mixing, make fines; Be ready to coarse fodder and fines; Being mixed into batch mixing to half the coarse fodder with three one-tenth fineves to half with three one-tenth piles; Get coarse fodder heap, batch mixing heap and fines heap then; In this three heap, insert mass ratio respectively for ((high-mark cement of 2～3) ︰ 2 reclaims the mixture of the dust obtain in 7. with step to 3～4) ︰, and the quality of dust is the 10-20% of cement gross mass in the said mixture; In three windrows, add after water to the supersaturation mixing separately then, and in every stacking yard material the mass ratio of cement be no more than its heap heavy 10%; Pour said three stacking yard material into batch mixer together then, high-mark cement is poured in gradation into again, is stirred to batch mixing and accomplishes; Batch mixing is poured out the making that is used for cement standard brick, porous brick and multiple building block with this batch mixing after accomplishing.
In the technique scheme of the present invention, oversaturated is not the supersaturation of solution, and is meant that the water yield that in containing the coarse fodder of cement, batch mixing and fines, inserts is greater than the water yield that is formed for concreting.The purpose of doing like this be make mixing of various materials more even, during the concrete that is formed for building in the later stage, also can continue to add cement, therefore this moment water excessive is not serious.Concrete batch mixing of the prior art uses after adopting one-level aggregate, cement and water mixing more.And each material proportion science of the present invention, mix; The stone particle that is to say various particle diameters in the goods of formation has; And mixing, it has been generally acknowledged that the adding of fines, dust definitely can reduce the adhesion strength of cement and aggregate, thereby causing product performance originally to descend; Even unqualified; And the present invention adopts the various materials of essentially identical material, and fines and cement not only reduced product cost in the innovation of hybrid mode, promoted product strength has also practiced thrift resource, has realized in the past the not processing of tractable fines.Standard cement tile product compressive strength of the present invention is measured through GB/T11969-2008, is 6.5～8.7 MPa.
Preferred as technique scheme carries out the processing of being completely cured for four times in the step lifting stage 1. before transplanting, promptly dug the groove of wide 20cm～25cm at first in advance in 2～3 months in the position of nursery stock 30～40cm; Dig below the main root fork; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water; Wait for 2～3 months,, dig below the main root fork of said nursery stock, block thick lateral root at the new ditching groove in side of existing groove; The cross section is concordant, after ditch digs, inserts loose fertile soil; Water, and then wait for 2～3 months, repeat above-mentioned steps; Scrape out until the 4th groove, and make all grooves surround " mouth " type, dig tree, pruning, parcel trunk, shipment after waiting for 2～3 months more again.
High-mark cement described in the present invention have the intensity height, but the heat of hydration is big, the characteristics that shrinkage strain is high; Cement grade and setting time and hardness have relation.The high more setting time of cement grade is short more, and hardness is strong more.Cement grade is the important indicator of expression cement strength, and it is confirmed with reference block maintenance compressive strength in the time of 28 days under standard conditions.Strength grade is represented as follows: portland cement has 425,425R, 525,525R, 625, six kinds of 625R.Ordinary Portland cement has 425,425R, 525, four kinds of 525R.Slag, pozzolan, pulverized fuel ash cement has 325,325R, 425,425R, 525, six kinds of 525R.R is the early strong meaning.
Preferred as technique scheme carries out the processing of being completely cured for four times in the step lifting stage 1. before transplanting, promptly dug the groove of wide 20cm at first in advance in 3 months in the position of nursery stock 30cm; Dig below the main root fork; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water; Wait for 3 months,, dig below the main root fork of said nursery stock, block thick lateral root at the new ditching groove in side of existing groove; The cross section is concordant, after ditch digs, inserts loose fertile soil; Water, and then wait for 3 months, repeat above-mentioned steps; Scrape out until the 4th groove, and make all grooves surround " mouth " type, dig tree, pruning, parcel trunk, shipment after waiting for 3 months more again.
Preferred as technique scheme, step 10. in, it is that step is separated the particulate that the fine sand that obtains and said particle diameter be 2～3mm through the cyclone group in 9. is (the mixed of 1～3) ︰ 1 with high frequency shale shaker with mass ratio that fines makes.
Preferred as technique scheme, after mining was accomplished, the table soil that adopts step 2. to store was reclaimed, then with step 1. in ready nursery stock transplanting to the mine of reclaiming.
The present invention has following beneficial effect:
The present invention includes the utilization again of mining institute's unsoil and vegetation; The mine tailing that utilizes ore processing to produce is produced the machine-processed sand of alternative natural yellow ground; Ore is cleaned the sewage that produces carry out fine tailings, mud comprehensive reutilization; Form effluent cycle using system etc., to realize economy of resources, ecological benefits, economic benefit and social benefit organic unity.The present invention has the green ecological environmental protection and has the advantage of optimizing network resource utilization.And the present invention utilizes the rock of the not high relatively mine the superiors of ore quality, barren rock, aggregate chips, mine tailing, and through reclaiming dust, coarse sand and the fine sand that technology obtains; Allocate high-mark cement again into, developed the concrete material that is applicable to that cement standard brick, porous brick and multiple building block are made, not only avoided polluting and wasting and also realized extra earning for company.
The specific embodiment
This specific embodiment only is to explanation of the present invention; It is not a limitation of the present invention; Those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this manual, but as long as in claim scope of the present invention, all receive the protection of Patent Law.
Embodiment one
The method in exploitation mine may further comprise the steps:
1. the utilization of top layer, mine vegetation
1) transplants preceding preparation: select robust growth, grow nursery stock substantial, no disease and pest;
2) lifting: before transplanting, carry out the processing of being completely cured for four times in the step lifting stage 1., promptly dug the groove of wide 20cm at first in advance in 2 months in the position of nursery stock 30cm, dig below the main root fork; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water; Wait for 2 months,, dig below the main root fork of said nursery stock, block thick lateral root at the new ditching groove in side of existing groove; The cross section is concordant, after ditch digs, inserts loose fertile soil; Water, and then wait for 2 months, repeat above-mentioned steps; Scrape out until the 4th groove, and make all grooves surround " mouth " type, dig tree, pruning, parcel trunk, shipment after waiting for 2 months more again;
2. the utilization of mine table soil
With the usefulness of a table soil storage part of peeling off as land reclamation in mining area;
3. the utilization of mine weathered layer rock
After decayed rock peeled off, be used for industrial place infrastructure construction if as the basic earthwork engineering materials of newly-built highway;
4. the utilization of mine tcrude ore mining area rock
Tcrude ore mining area rock is used for production and processing becomes the following concrete of C30;
5. produce special-purpose building stones
Middle lower floor rock is adopted the impact type crushing process, produce multiple building aggregate;
6. utilize tailing waste thing production mechanism sand
Utilize barren rock, aggregate chips, the mine tailing Development and Production high-grade concrete of each generating step to use machine-processed sand;
7. dust recycling
Use steel plate to seal to factory, the sweep-up pipe road junction of simultaneously dust being united dust catcher is arranged on crushing appliance below and factory building eminence, in the dust collection tube with dust collection to dust associating dust catcher; Simultaneously, the isolated stone flour of sand powder separator is also collected said in the dust collection tube of dust associating dust catcher; The dust of collecting is used for the making of cement standard brick;
8. ore finished product washing
9. the ore finished product cleans the processing of the sewage that produces
1) through spiral separator the sewage medium coarse sand is separated, make the solid content of sewage drop to 10% from 14%; The coarse sand of collecting uses as the concrete construction materials;
2) fine sand in the sewage is separated with high frequency shale shaker through the cyclone group, make the sewage solid content drop to 8% from 10%; The fine sand of collecting uses as the concrete construction materials;
3) in sewage, add polyacrylamide, mud is precipitated in sedimentation basin, mud is with after water separates fast, and the clear water that post precipitation obtains is used for the cleaning of ore finished product material once more;
4) in sedimentation basin, after sludge settling gets off, use the automatic arm-tie filter press of van-type that mud is handled, make the mud of deposition become the mud cake of moisture content≤20% after treatment, said mud cake uses as the raw material of clinker brick;
10. the rock with the 4. said tcrude ore of step mining area is ground into the particulate that particle diameter is 2mm; The 6. described barren rock of step, aggregate chips and mine tailing are broken into the sandstone that particle diameter is 5mm; Step is separated the coarse sand obtain and the sandstone of said 5mm is the mixed of 3 ︰ 1 with mass ratio through spiral separator in 9., make coarse fodder; It is the mixed of 1 ︰ 1 with high frequency shale shaker with mass ratio that step is separated the particulate that the fine sand that obtains and said particle diameter be 2～3mm through the cyclone group in 9., makes fines; Be ready to coarse fodder and fines; Three one-tenth coarse fodders and three one-tenth fines are mixed into the batch mixing heap; Get coarse fodder heap, batch mixing heap and fines heap then; In this three heap, add high-mark cement and the 7. middle mixture that reclaims the dust that obtains of step that mass ratio is 3 ︰, 2 ︰ 2 respectively, the quality of dust is 10% of a cement gross mass in the said mixture; In three windrows, add after water to the supersaturation mixing separately then, and in every stacking yard material cement quality for its heap heavy 20%; Pour said three stacking yard material into batch mixer together then, high-mark cement is poured in gradation into again, is stirred to batch mixing and accomplishes; Batch mixing is poured out the making that is used for the cement standard brick with this batch mixing after accomplishing; Cement standard brick with this batch mixing is processed is measured through GB/T 11969-2008, and its compressive strength is 8.3 MPa;
After mining was accomplished, the table soil that adopts step 2. to store was reclaimed, then with step 1. in ready nursery stock transplanting to the mine of reclaiming.
Embodiment two
The method in exploitation mine may further comprise the steps:
1. the utilization of top layer, mine vegetation
1) transplants preceding preparation: select robust growth, grow nursery stock substantial, no disease and pest;
2) lifting: before transplanting, carry out the processing of being completely cured for four times in the step lifting stage 1., promptly dug the groove of wide 20cm at first in advance in 3 months in the position of nursery stock 30cm, dig below the main root fork; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water; Wait for 3 months,, dig below the main root fork of said nursery stock, block thick lateral root at the new ditching groove in side of existing groove; The cross section is concordant, after ditch digs, inserts loose fertile soil; Water, and then wait for 3 months, repeat above-mentioned steps; Scrape out until the 4th groove, and make all grooves surround " mouth " type, dig tree, pruning, parcel trunk, shipment after waiting for 3 months more again.
2. the utilization of mine table soil
With the usefulness of a table soil storage part of peeling off as land reclamation in mining area;
3. the utilization of mine weathered layer rock
After decayed rock peeled off, be used for industrial place infrastructure construction if as the basic earthwork engineering materials of newly-built highway;
4. the utilization of mine tcrude ore mining area rock
Tcrude ore mining area rock is used for production and processing becomes the following concrete of C30;
5. the special-purpose building stones of production high added value
Middle lower floor rock is adopted the impact type crushing process, produce multiple building aggregate;
6. utilize tailing waste thing production mechanism sand
Utilize barren rock, aggregate chips, the mine tailing Development and Production high-grade concrete of each generating step to use machine-processed sand;
7. dust recycling
8. use steel plate to seal to factory, the sweep-up pipe road junction of simultaneously dust being united dust catcher is arranged on crushing appliance below and factory building eminence, in the dust collection tube with dust collection to dust associating dust catcher; Simultaneously, the isolated stone flour of sand powder separator is also collected said in the dust collection tube of dust associating dust catcher; With collecting the making that is used for the cement standard brick; The ore finished product cleans
9. the ore finished product cleans the processing of the sewage that produces
1) through spiral separator the sewage medium coarse sand is separated, make the solid content of sewage drop to 10% from 14%; The coarse sand of collecting uses as the concrete construction materials;
2) fine sand in the sewage is separated with high frequency shale shaker through the cyclone group, make the sewage solid content drop to 8% from 10%; The fine sand of collecting uses as the concrete construction materials;
3) in sewage, add polyacrylamide, mud is precipitated in sedimentation basin, mud is with after water separates fast, and the clear water that post precipitation obtains is used for the cleaning of ore finished product material once more;
4) in sedimentation basin, after sludge settling gets off, use the automatic arm-tie filter press of van-type that mud is handled, the mud of deposition has become the mud cake of moisture content≤20% after treatment, and said mud cake uses as the raw material of clinker brick;
10. the rock with the 4. said mine of the step the superiors is ground into the particulate that particle diameter is 2mm; The 6. described barren rock of step, aggregate chips and mine tailing are broken into the sandstone that particle diameter is 6mm; Step is separated the coarse sand obtain and the sandstone of said 6mm is the mixed of 3 ︰ 1 with mass ratio through spiral separator in 9., make coarse fodder; It is the mixed of 2 ︰ 1 with high frequency shale shaker with mass ratio that step is separated the particulate that the fine sand that obtains and said particle diameter be 2mm through the cyclone group in 9., makes fines; Be ready to coarse fodder and fines; Four one-tenth coarse fodders and four one-tenth fines are mixed into the batch mixing heap; Get coarse fodder heap, batch mixing heap and fines heap then; In this three heap, add high-mark cement and the 7. middle mixture that reclaims the dust that obtains of step that mass ratio is 3 ︰, 3 ︰ 2 respectively, the quality of dust is 15% of a cement gross mass in the said mixture; In three windrows, add after water to the supersaturation mixing separately then, and in every stacking yard material cement quality for its heap heavy 15%; Pour said three stacking yard material into batch mixer together then, high-mark cement is poured in gradation into again, is stirred to batch mixing and accomplishes; Batch mixing is poured out the making that is used for the cement standard brick with this batch mixing after accomplishing; Cement standard brick with this batch mixing is processed is measured through GB/T 11969-2008, and its compressive strength is 6.8 MPa;
After mining was accomplished, the table soil that adopts step 2. to store was reclaimed, then with step 1. in ready nursery stock transplanting to the mine of reclaiming.
Embodiment three
The method in exploitation mine may further comprise the steps:
1. the utilization of top layer, mine vegetation
1) transplants preceding preparation: select robust growth, grow nursery stock substantial, no disease and pest;
2) lifting: before transplanting, carry out the processing of being completely cured for four times in the step lifting stage 1., promptly dug the groove of wide 25cm at first in advance in 3 months in the position of nursery stock 40cm, dig below the main root fork; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water; Wait for 3 months,, dig below the main root fork of said nursery stock, block thick lateral root at the new ditching groove in side of existing groove; The cross section is concordant, after ditch digs, inserts loose fertile soil; Water, and then wait for 3 months, repeat above-mentioned steps; Scrape out until the 4th groove, and make all grooves surround " mouth " type, dig tree, pruning, parcel trunk, shipment after waiting for 3 months more again;
2. the utilization of mine table soil
With the usefulness of a table soil storage part of peeling off as land reclamation in mining area;
3. the utilization of mine weathered layer rock
After decayed rock peeled off, be used for industrial place infrastructure construction if as the basic earthwork engineering materials of newly-built highway;
4. the utilization of mine tcrude ore mining area rock
Will tcrude ore mining area rock be used for production and processing and become the following concrete of C30;
5. produce special-purpose building stones
Middle lower floor rock is adopted the impact type crushing process, produce multiple building aggregate;
6. utilize tailing waste thing production mechanism sand
Utilize barren rock, aggregate chips, the mine tailing Development and Production high-grade concrete of each generating step to use machine-processed sand;
7. dust recycling
Use steel plate to seal to factory, the sweep-up pipe road junction of simultaneously dust being united dust catcher is arranged on crushing appliance below and factory building eminence, in the dust collection tube with dust collection to dust associating dust catcher; Simultaneously, the isolated stone flour of sand powder separator is also collected said in the dust collection tube of dust associating dust catcher; The dust of collecting is used for the making of porous brick;
8. ore finished product washing
9. the ore finished product cleans the processing of the sewage that produces
1) through spiral separator the sewage medium coarse sand is separated, make the solid content of sewage drop to 10% from 14%; The coarse sand of collecting uses as the concrete construction materials;
2) fine sand in the sewage is separated with high frequency shale shaker through the cyclone group, make the sewage solid content drop to 8% from 10%; The fine sand of collecting uses as the concrete construction materials;
3) in sewage, add polyacrylamide, mud is precipitated in sedimentation basin, mud is with after water separates fast, and the clear water that post precipitation obtains can be used for the cleaning of ore finished product material once more;
4) in sedimentation basin, after sludge settling gets off, use the automatic arm-tie filter press of van-type that mud is handled, make the mud of deposition become the mud cake of moisture content≤20% after treatment, said mud cake uses as the raw material of clinker brick;
10. the rock with the 4. said mine of the step the superiors is ground into the particulate that particle diameter is 3mm; The 6. described barren rock of step, aggregate chips and mine tailing are broken into the sandstone that particle diameter is 8mm; Step is separated the coarse sand obtain and the sandstone of said 8mm is the mixed of 4 ︰ 1 with mass ratio through spiral separator in 9., make coarse fodder; It is the mixed of 3 ︰ 1 with high frequency shale shaker with mass ratio that step is separated the particulate that the fine sand that obtains and said particle diameter be 3mm through the cyclone group in 9., makes fines; Be ready to coarse fodder and fines; Half the coarse fodder and half the fines are mixed into the batch mixing heap; Get coarse fodder heap, batch mixing heap and fines heap then; In this three heap, add high-mark cement and the 7. middle mixture that reclaims the dust that obtains of step that mass ratio is 4 ︰, 2 ︰ 2 respectively, the quality of dust is 20% of a cement gross mass in the said mixture; In three windrows, add after water to the supersaturation mixing separately then, and in every stacking yard material cement quality for its heap heavy 10%; Pour said three stacking yard material into batch mixer together then, high-mark cement is poured in gradation into again, is stirred to batch mixing and accomplishes; Batch mixing is poured out the making that is used for porous brick with this batch mixing after accomplishing; Cement standard brick with this batch mixing is processed is measured through GB/T 11969-2008, and its compressive strength is 6.7MPa;
After mining was accomplished, the table soil that adopts step 2. to store was reclaimed, then with step 1. in ready nursery stock transplanting to the mine of reclaiming.
Claims (5)
1. exploit the method in mine, may further comprise the steps:
1. the utilization of top layer, mine vegetation
1) transplants preceding preparation: select nursery stock to be transplanted;
2) lifting: the processing of before transplanting, being completely cured in advance several times, promptly dug the groove of wide 20cm～25cm at first in advance in 2～3 months in the position of nursery stock 10～50cm, dig below the main root fork; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water; Wait for 2～3 months,, dig below the main root fork of said nursery stock at the new ditching groove in side of existing groove; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water, and then wait for 2～3 months; Repeat above-mentioned steps, said nursery stock is surrounded entirely until all grooves; Dig tree, pruning, parcel trunk, shipment after waiting for 2～3 months more again;
2. the utilization of mine table soil
With the usefulness of a table soil storage part of peeling off as land reclamation in mining area;
3. the utilization of mine weathered layer rock
After decayed rock peeled off, be used for industrial place infrastructure construction if as the basic earthwork engineering materials of newly-built highway;
4. the utilization of mine tcrude ore mining area rock
Tcrude ore mining area rock is used for production and processing becomes the following concrete of C30;
5. produce multiple building stones
Middle lower floor rock is adopted the impact type crushing process, produce multiple building aggregate;
6. utilize tailing waste thing production mechanism sand
Utilize the barren rock, aggregate chips, the mine tailing Development and Production high-grade concrete that produce in above each step to use machine-processed sand;
7. dust recycling
Use steel plate to seal to factory, the sweep-up pipe road junction of simultaneously dust being united dust catcher is arranged on crushing appliance below and factory building eminence, in the dust collection tube with dust collection to dust associating dust catcher; Simultaneously, the isolated stone flour of sand powder separator is also collected said in the dust collection tube of dust associating dust catcher; The dust of collecting is used for the making of cement standard brick, porous brick and multiple building block;
8. ore finished product washing
9. the ore finished product cleans the processing of the sewage that produces
Through spiral separator the sewage medium coarse sand is separated, make the solid content of sewage drop to 10% from 14%; The coarse sand of collecting uses as the concrete construction materials;
Fine sand in the sewage is separated with high frequency shale shaker through the cyclone group, make the sewage solid content drop to 8% from 10%; The fine sand of collecting uses as the concrete construction materials;
In sewage, add polyacrylamide, mud is precipitated in sedimentation basin, mud is with after water separates fast, and the clear water that post precipitation obtains is used for the cleaning of ore finished product material once more;
In sedimentation basin, after sludge settling gets off, use the automatic arm-tie filter press of van-type that mud is handled, make the mud of deposition become the mud cake of moisture content≤20% after treatment, said mud cake uses as the raw material of clinker brick;
10. the rock with the 4. said tcrude ore of step mining area is ground into the particulate that particle diameter is 2～3mm; The 6. described barren rock of step, aggregate chips and mine tailing are broken into the sandstone that particle diameter is 5～8mm; The sandstone that step is separated the coarse sand obtain and said 5～8mm through spiral separator in 9. is that (mixed of 3～4) ︰ 1 makes coarse fodder with mass ratio; With step 9. in through the cyclone group separate with high frequency shale shaker the fine sand that obtains and said particle diameter be the particulate of 2～3mm with quality arbitrarily than mixing, make fines; Be ready to coarse fodder and fines; Being mixed into batch mixing to half the coarse fodder with three one-tenth fineves to half with three one-tenth piles; Get coarse fodder heap, batch mixing heap and fines heap then; In this three heap, add respectively mass ratio for (3～4) ︰ (and the high-mark cement of 2～3) ︰ 2 and step 7. in the mixture of the dust that obtains of recovery, the quality of dust is the 10-20% of cement gross mass in the said mixture; In three windrows, add after water to the supersaturation mixing separately then, and in every stacking yard material the mass ratio of cement be no more than its heap heavy 10%; Pour said three stacking yard material into batch mixer together then, high-mark cement is poured in gradation into again, is stirred to batch mixing and accomplishes; Batch mixing is poured out the making that is used for cement standard brick, porous brick and multiple building block with this batch mixing after accomplishing.
2. a kind of method of exploiting the mine according to claim 1 is characterized in that: before transplanting, carry out the processing of being completely cured for four times in the step lifting stage 1., promptly dug the groove of wide 20cm～25cm at first in advance in 2～3 months in the position of nursery stock 30～40cm; Dig below the main root fork; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water; Wait for 2～3 months,, dig below the main root fork of said nursery stock, block thick lateral root at the new ditching groove in side of existing groove; The cross section is concordant, after ditch digs, inserts loose fertile soil; Water, and then wait for 2～3 months, repeat above-mentioned steps; Scrape out until the 4th groove, and make all grooves surround " mouth " type, dig tree, pruning, parcel trunk, shipment after waiting for 2～3 months more again.
3. a kind of method of exploiting the mine according to claim 1 is characterized in that: before transplanting, carry out the processing of being completely cured for four times in the step lifting stage 1., promptly dug the groove of wide 20cm at first in advance in 3 months in the position of nursery stock 30cm; Dig below the main root fork; Block thick lateral root, the cross section is concordant, after ditch digs; Insert loose fertile soil, water; Wait for 3 months,, dig below the main root fork of said nursery stock, block thick lateral root at the new ditching groove in side of existing groove; The cross section is concordant, after ditch digs, inserts loose fertile soil; Water, and then wait for 3 months, repeat above-mentioned steps; Scrape out until the 4th groove, and make all grooves surround " mouth " type, dig tree, pruning, parcel trunk, shipment after waiting for 3 months more again.
4. according to claim 1 or 2 or 3 described a kind of methods of exploiting the mine; It is characterized in that: step 10. in, it is step to be separated the particulate that the fine sand that obtains and said particle diameter be 2～3mm through the cyclone group in 9. be (the mixed of 1～3) ︰ 1 with high frequency shale shaker with mass ratio that fines makes.
5. according to claim 1 or 2 or 3 described a kind of methods of exploiting the mine, it is characterized in that: after mining was accomplished, the table soil that adopts step 2. to store was reclaimed, then with step 1. in ready nursery stock transplanting to the mine of reclaiming.
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| CN104925979A (en) * | 2015-06-29 | 2015-09-23 | 重庆市睿拓建材有限公司 | Sand-washing wastewater treating method |
| CN105645853A (en) * | 2016-01-14 | 2016-06-08 | 南通铁跃建材科技有限公司 | Application of tailing machine-made sand winnowing powder in premixed concrete |
| CN109736808A (en) * | 2019-01-29 | 2019-05-10 | 金建工程设计有限公司 | A kind of underground mine production practice that can not build Tailings Dam |
| CN110090847A (en) * | 2019-04-02 | 2019-08-06 | 昆明理工大学 | A kind of rapid-weathering of Containing Sulfur mineral barren rock is at indigenous method |
| CN110255944A (en) * | 2019-07-10 | 2019-09-20 | 唐山三友矿山有限公司 | A kind of outdoor limestone mine exploration without waster method |
| CN113019657A (en) * | 2021-03-23 | 2021-06-25 | 中铁一局集团有限公司 | Processing method of high-quality machine-made sand |
| CN113426813A (en) * | 2021-07-14 | 2021-09-24 | 河南发恩德矿业有限公司 | Non-waste processing method for lead-zinc ore mining |
| CN113800804A (en) * | 2021-09-30 | 2021-12-17 | 西南科技大学 | Light building wallboard with chrysotile mine stripped waste stone as aggregate and preparation method thereof |
| CN113816637A (en) * | 2021-09-30 | 2021-12-21 | 西南科技大学 | Baking-free building block with chrysotile mine stripped waste stone as aggregate and preparation method thereof |
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| CN104925979A (en) * | 2015-06-29 | 2015-09-23 | 重庆市睿拓建材有限公司 | Sand-washing wastewater treating method |
| CN105645853A (en) * | 2016-01-14 | 2016-06-08 | 南通铁跃建材科技有限公司 | Application of tailing machine-made sand winnowing powder in premixed concrete |
| CN109736808A (en) * | 2019-01-29 | 2019-05-10 | 金建工程设计有限公司 | A kind of underground mine production practice that can not build Tailings Dam |
| CN110090847A (en) * | 2019-04-02 | 2019-08-06 | 昆明理工大学 | A kind of rapid-weathering of Containing Sulfur mineral barren rock is at indigenous method |
| CN110255944A (en) * | 2019-07-10 | 2019-09-20 | 唐山三友矿山有限公司 | A kind of outdoor limestone mine exploration without waster method |
| CN113019657A (en) * | 2021-03-23 | 2021-06-25 | 中铁一局集团有限公司 | Processing method of high-quality machine-made sand |
| CN113426813A (en) * | 2021-07-14 | 2021-09-24 | 河南发恩德矿业有限公司 | Non-waste processing method for lead-zinc ore mining |
| CN113800804A (en) * | 2021-09-30 | 2021-12-17 | 西南科技大学 | Light building wallboard with chrysotile mine stripped waste stone as aggregate and preparation method thereof |
| CN113816637A (en) * | 2021-09-30 | 2021-12-21 | 西南科技大学 | Baking-free building block with chrysotile mine stripped waste stone as aggregate and preparation method thereof |
| CN113816637B (en) * | 2021-09-30 | 2023-08-15 | 西南科技大学 | Baking-free building block with chrysotile mine stripping waste stone as aggregate and preparation method thereof |
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