CN115370416A - Development and utilization scheme based on carbon sequestration in abandoned mine area - Google Patents
Development and utilization scheme based on carbon sequestration in abandoned mine area Download PDFInfo
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- CN115370416A CN115370416A CN202210935703.8A CN202210935703A CN115370416A CN 115370416 A CN115370416 A CN 115370416A CN 202210935703 A CN202210935703 A CN 202210935703A CN 115370416 A CN115370416 A CN 115370416A
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- carbon
- main well
- sequestration
- area
- carbon dioxide
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 34
- 230000009919 sequestration Effects 0.000 title claims abstract description 34
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 21
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 21
- 238000005065 mining Methods 0.000 claims abstract description 10
- 239000003245 coal Substances 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 10
- 239000002689 soil Substances 0.000 claims description 10
- 239000012267 brine Substances 0.000 claims description 8
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 claims description 3
- 229910000020 calcium bicarbonate Inorganic materials 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 239000012266 salt solution Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 239000003637 basic solution Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/16—Modification of mine passages or chambers for storage purposes, especially for liquids or gases
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention relates to the technical field of carbon dioxide sequestration, and particularly discloses a carbon sequestration development and utilization scheme based on a waste mining area. The invention can use underground space and ecological environment resources of abandoned mines to carry out economic, high-efficiency and large-scale sequestration of a large amount of carbon dioxide, changes energy resources into resources, realizes integration of carbon emission, collection, sequestration and utilization, has feasibility, meets the strategic requirements of China on carbon emission, and has important practical significance.
Description
Technical Field
The invention relates to the technical field of carbon dioxide sequestration, in particular to a development and utilization scheme based on carbon sequestration in a waste mining area.
Background
Global warming is regarded as one of the great challenges facing the human society in the 21 st century, and with the rapid increase of greenhouse gases, it threatens the global life system. Against this background, a consensus is widely reached in countries around the world with carbon neutralization and environmental remediation.
Expert scholars propose a carbon capture and sequestration (CCS, carbon sequestration for short) technology, which is a process of separating carbon dioxide from industrial or related emission sources, conveying the carbon dioxide to a sequestration site, and isolating the carbon dioxide from the atmosphere for a long time, and is an important energy-saving and emission-reduction measure. The CCS industry has developed to date, and many mature experiences are accumulated in various aspects such as gas capture, purification, transportation, perfusion, monitoring and the like.
Currently, the coal industry is in the key stage of comprehensive deep reformation and transformation development, and more coal mines are closed or abandoned. And a great amount of energy resources, underground space resources and ecological resources still exist in the abandoned mine, and if the abandoned mine is not reasonably developed and utilized, huge resource waste is caused, and secondary hazards such as mining area collapse, environmental pollution and the like are brought. The invention provides a development and utilization scheme based on carbon sequestration of abandoned mine areas by combining opportunities and challenges of development of the coal mine industry, and the carbon sequestration is developed and utilized by utilizing underground space and ecological environment resources of abandoned mines, so that energy is changed into resources, and carbon emission, collection, sequestration and utilization are integrated, thereby having feasibility, meeting the national strategic requirements on carbon emission, and having important practical significance.
Disclosure of Invention
In order to effectively utilize abandoned mine left resources and achieve the aim of boosting carbon sequestration, a scheme for developing and utilizing carbon sequestration based on abandoned mine areas is provided.
The invention adopts the following technical scheme: the utility model provides a development and utilization scheme based on abandonment mining area carbon sequestration, its characterized in that specifically includes dispatch center, high-pressure pumping station, transfer reservoir, sunken lake, ecological forest, soil horizon, rock layer, collecting space area, strut coal pillar, filling area, the coal seam that can not adopt, secret aquifer, main well, branch well, tunnel, new main well, secret salt solution seventeen part:
the dispatching center, the high-pressure pump station and the transfer reservoir are built near the main well; the dispatching center is used for detecting the carbon sequestration quality and regulating and controlling the carbon sequestration delivery capacity and delivery pressure; and the high-pressure pump station is connected with the transfer storage and the main well and used for conveying the stored carbon dioxide gas-liquid mixture.
The main well extends a new main well downwards to an underground aquifer, and the main well and the new main well respectively extend branch wells to a soil layer, a goaf, a filling area, a non-recoverable coal seam and underground brine; a sinking lake and an ecological forest are covered on the soil layer, and carbon sequestration is carried out by utilizing water and vegetation; broken rock masses accumulated in the goaf and the filling area and artificially constructed and stored carbon dioxide gas and mineralized gas; adsorbing carbon dioxide gas liquid by the non-mined coal bed; the underground brine and the carbon dioxide are subjected to chemical reaction to generate calcium bicarbonate for carbon sequestration.
Preferably, the number of the sub-wells is determined according to the condition of the abandoned mine area, and the holes distributed on the periphery of the sub-wells are used for uniformly distributing the carbon dioxide gas-liquid mixture.
Preferably, the lithology of the rock stratum depends on the mining area.
Preferably, the coal seam which cannot be mined is a coal seam with thickness, ash content, sulfur content and heating value which do not meet the specified resource quantity estimation indexes, and the area ratio is small.
Drawings
Fig. 1 is a schematic diagram of a development and utilization scheme based on carbon sequestration in a abandoned mine area, which implements the invention.
In the figure: 1 is a dispatching center; 2 is a high-pressure pump station; 3 is a transfer storage; 4 is a sinking lake; 5 is an ecological forest; 6 is a soil layer; 7 is a rock layer; 8 is a goaf; 9 is a supporting coal pillar; 10 is a filling area; 11 is an unextractable coal seam; 12 is an underground aquifer; 13 is a main well; 14 is a branch well; 15 is a roadway; 16 is a new main well; and 17 is groundwater brine.
Detailed Description
The invention is further explained below with reference to the drawings.
The invention provides a development and utilization scheme based on carbon sequestration in a waste mining area, which specifically comprises seventeen parts, namely a dispatching center 1, a high-pressure pump station 2, a transfer reservoir 3, a sinking lake 4, an ecological forest 5, a soil layer 6, a rock layer 7, a goaf 8, a supporting coal pillar 9, a filling area 10, a non-mining coal layer 11, an underground water-bearing layer 12, a main well 13, branch wells 14, a roadway 15, a new main well 16 and underground brine 17:
the dispatching center 1, the high-pressure pump station 2 and the transfer storage 3 are built near the main well 13; the dispatching center 1 is used for detecting the carbon sequestration quality and regulating and controlling the carbon sequestration delivery capacity and delivery pressure; the high-pressure pump station 2 and the transfer storage 3 are connected with the main well 13 to convey the stored carbon dioxide gas-liquid mixture.
The main well 13 extends a new main well 16 downwards to the underground aquifer 12, and the main well 13 and the new main well 16 respectively extend branch wells 14 to the soil layer 6, the goaf 8, the filling area 10, the non-mining coal seam 11 and the underground brine 17; a sunk lake 4 and an ecological forest 5 are covered on the soil layer 6, and carbon sequestration is carried out by utilizing water and vegetation; broken rock masses accumulated in the goaf 8 and the filling area 10 and artificially constructed and stored carbon dioxide gas and mineralized gas; the non-recoverable coal seam 11 absorbs carbon dioxide gas liquid; the underground brine 17 and carbon dioxide are chemically reacted to produce calcium bicarbonate for carbon sequestration.
Preferably, the number of the branch wells 14 is determined according to the condition of the abandoned mine area, and holes distributed on the periphery of the branch wells 14 are used for uniformly distributing the carbon dioxide gas-liquid mixture.
Preferably, the lithology of the rock layer 7 is determined by the mining area.
Preferably, the coal seam 11 is a coal seam with thickness, ash content, sulfur content and calorific value which do not meet the specified resource quantity estimation indexes, and the area ratio is small.
The above description is only a basic solution of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a development and utilization scheme is deposited based on abandonment mining area carbon, its characterized in that specifically includes dispatch center, high-pressure pump station, transfer storage storehouse, subsidence lake, ecological forest, soil horizon, rock layer, collecting space area, strut coal pillar, filling area, the coal seam that can not adopt, secret aquifer, main well, branch well, tunnel, new main well, secret salt solution seventeen part:
the dispatching center, the high-pressure pump station and the transfer reservoir are built near the main well; the dispatching center is used for detecting the carbon sequestration quality and regulating and controlling the carbon sequestration conveying capacity and conveying pressure; and the high-pressure pump station is connected with the transfer storage and the main well and used for conveying the stored carbon dioxide gas-liquid mixture.
The main well extends downwards to a new main well to an underground aquifer, and the main well and the new main well respectively extend to a soil layer, a goaf, a filling area, a non-recoverable coal seam and underground brine to form sub-wells; a subsidence lake and an ecological forest are covered on the soil layer, and carbon sequestration is carried out by utilizing water and vegetation; broken rock masses accumulated in the goaf and the filling area and artificially constructed and stored carbon dioxide gas and mineralized liquid; adsorbing carbon dioxide gas liquid by the non-mined coal bed; the underground brine and carbon dioxide are chemically reacted to generate calcium bicarbonate for carbon sequestration.
2. The development and utilization scheme based on abandoned mine area carbon sequestration according to claim 1, wherein the number of the sub-wells is determined according to abandoned mine area conditions, and the holes distributed around the sub-wells are used for uniformly dispersing carbon dioxide gas-liquid mixture.
3. The development and utilization scheme based on abandoned mine carbon sequestration according to claim 1, characterized in that the lithology of the rock strata depends on the mine.
4. The carbon sequestration exploitation and utilization scheme based on the abandoned mine area according to claim 1, wherein the non-mined coal seam is a coal seam with thickness, ash content, sulfur content and calorific value which do not meet the specified resource quantity estimation indexes, and the area ratio is small.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210935703.8A CN115370416A (en) | 2022-08-04 | 2022-08-04 | Development and utilization scheme based on carbon sequestration in abandoned mine area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210935703.8A CN115370416A (en) | 2022-08-04 | 2022-08-04 | Development and utilization scheme based on carbon sequestration in abandoned mine area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115370416A true CN115370416A (en) | 2022-11-22 |
Family
ID=84063346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210935703.8A Pending CN115370416A (en) | 2022-08-04 | 2022-08-04 | Development and utilization scheme based on carbon sequestration in abandoned mine area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115370416A (en) |
-
2022
- 2022-08-04 CN CN202210935703.8A patent/CN115370416A/en active Pending
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