CN116816438A - Goaf carbon fixation pressurizing device and application method thereof - Google Patents
Goaf carbon fixation pressurizing device and application method thereof Download PDFInfo
- Publication number
- CN116816438A CN116816438A CN202310781533.7A CN202310781533A CN116816438A CN 116816438 A CN116816438 A CN 116816438A CN 202310781533 A CN202310781533 A CN 202310781533A CN 116816438 A CN116816438 A CN 116816438A
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- Prior art keywords
- goaf
- compression
- mesh screen
- resistance
- resistant tank
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 58
- 230000006835 compression Effects 0.000 claims description 48
- 238000007906 compression Methods 0.000 claims description 48
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 29
- 239000001569 carbon dioxide Substances 0.000 claims description 29
- 229910021536 Zeolite Inorganic materials 0.000 claims description 22
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 22
- 239000002808 molecular sieve Substances 0.000 claims description 22
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 22
- 239000010457 zeolite Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 7
- 239000010883 coal ash Substances 0.000 claims description 6
- 230000009919 sequestration Effects 0.000 claims description 6
- 238000003837 high-temperature calcination Methods 0.000 claims description 5
- 230000020477 pH reduction Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000001276 controlling effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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
-
- 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
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/005—Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
-
- 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
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)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a goaf carbon fixation pressurizing device and a using method thereof, belonging to the technical field of coal mine environmental protection.
Description
Technical Field
The invention relates to a goaf carbon fixation pressurizing device and a using method thereof, belonging to the technical field of coal environmental protection.
Background
As the problem of common attention of all human beings at present, global climate warming caused by the greenhouse gas effect has obvious influence on a natural ecological system, the control and reduction of the emission of carbon dioxide and other room gases are serious problems faced by all countries of the world, the current domestic carbon emission has torsionally rapid growth stage, but the total emission amount is still not negligible, in the current carbon emission reduction technology, biological carbon fixation is mostly adopted, the biological carbon fixation is excessively dependent on land resources, and the space of a goaf after coal mine production in China is excessively wasted, so a physical carbon fixation method is necessary to design, and the goaf is utilized for carbon fixation.
Disclosure of Invention
The invention aims to solve the problems and provide a goaf carbon fixation and pressurization device and a use method thereof, which can effectively prevent carbon dioxide injected into the goaf from escaping by utilizing the higher adsorptivity of a NaX zeolite molecular sieve to carbon dioxide and ensure underground safe production on the premise of reducing carbon emission.
The goaf carbon fixation and pressurization using method comprises compression-resistant tank threads, a compression-resistant tank braking device, a compression-resistant tank manometer, a compression-resistant tank, a connecting port, a left 80-mesh screen, a right 80-mesh screen, a distance sensor, a descending pipeline opening, a round pipeline and a goaf manometer, wherein one end of the compression-resistant tank braking device is arranged on one side of the compression-resistant tank threads, one side of the compression-resistant tank is fixedly arranged at the other end of the compression-resistant tank braking device, the compression-resistant tank manometer is arranged at the top of the compression-resistant tank, the connecting port is arranged at one end of two connecting pipes, one end of one connecting pipe penetrates through the compression-resistant tank, the distance sensor is fixedly arranged at the bottom of the other connecting pipe, one end of the left 80-mesh screen is arranged at one side of the connecting pipe, one end of the right 80-mesh screen is arranged at the other side of the connecting pipe, the round pipeline is arranged on the other side of the connecting pipe in a penetrating manner, the round pipeline is arranged at the other end of the left 80-mesh screen and the other end of the right 80-mesh screen, the descending pipeline opening is arranged on the round pipeline, the connecting port is arranged at the position of the round pipeline, the distance m is equal to the distance m between the goaf and the goaf, the goaf is equal to 1, the distance m is equal to the distance between the goaf 1 and the space between the goaf and the round pipeline and the space 1.
Preferably, in order to fix carbon and reduce carbon emission in the goaf, the discharged high-concentration carbon dioxide is prepared, purified and liquefied, the burnt coal ash is collected, high-temperature calcination and acidification treatment are carried out to generate the required NaX-type zeolite molecular sieve, the goaf volume is estimated at the same time, quantitative NaX-type zeolite molecular sieve is discharged into the goaf through a connecting port, then the discharge amount of the NaX-type zeolite molecular sieve is accurately controlled through a distance sensor, the ventilation performance of a left 80-mesh screen and a right 80-mesh screen is ensured, a compression-resistant tank is connected with the connecting port, a liquid carbon dioxide storage tank is connected with a compression-resistant tank screw thread, a compression-resistant tank braking device is opened, the initial charge amount is set through the pre-calculated adsorption amount, the compression-resistant tank pressure meter is controlled, the compression-resistant tank braking device is closed after the input is completed, gaseous high-concentration carbon dioxide is discharged into the goaf through a pressure measuring circular pipeline through a descending pipeline port, and the internal and external pressure balance of the goaf is controlled through the goaf table.
The beneficial effects of the invention are as follows: 1. the invention discharges the coal ash generated by each factory into the goaf through the high-temperature calcination and acidification treatment by leaving space in the goaf, and can fix high-concentration gaseous carbon dioxide in the goaf through the higher adsorptivity of the coal ash to the carbon dioxide, thereby achieving the aim of reducing carbon emission.
2. The invention adopts a plurality of groups of circular pipelines and a plurality of groups of descending pipeline ports, fully utilizes the adsorption capacity of the NaX zeolite molecular sieve, leaves a certain distance between the lowest circular pipeline and the ground, can ensure the normal passing of personnel, has lower production cost of the NaX zeolite molecular sieve, and is easy for large-scale production.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a flow chart of the present invention.
In the figure: 1. a compression-resistant tank screw thread; 2. a pressure-resistant tank brake device; 3. a pressure gauge of the pressure-resistant tank; 4. a pressure-resistant tank; 5. a connection port; 6. a left 80 mesh screen; 7. a right 80 mesh screen; 8. a distance sensor; 9. a downlink pipeline port; 10. a circular pipe; 11. goaf manometer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a goaf carbon fixation pressurizing device and a using method thereof are disclosed, the goaf carbon fixation pressurizing device comprises a compression-resistant tank screw thread 1, a compression-resistant tank brake device 2, a compression-resistant tank pressure gauge 3, a compression-resistant tank 4, a connecting port 5, a left 80-mesh screen 6, a right 80-mesh screen 7, a distance sensor 8, a descending pipeline port 9, a round pipeline 10 and a goaf pressure gauge 11, wherein one end of the compression-resistant tank brake device 2 is arranged on one side of the compression-resistant tank screw thread 1, one side of the compression-resistant tank 4 is fixedly arranged at the other end of the compression-resistant tank brake device 2, the compression-resistant tank pressure gauge 3 is arranged on the top of the compression-resistant tank 4, the connecting port 5 is arranged at one end of two connecting pipes, one end of each connecting pipe is arranged in the compression-resistant tank 4 in a penetrating manner, the distance sensor 8 is fixedly arranged at the bottom of the other connecting pipe, one end of the left 80-mesh screen 6 is arranged on one side of the connecting pipe, one end of the right 80-mesh screen 7 is arranged on the other side of the connecting pipe, the round pipeline 10 is arranged on the other end of the left 80-mesh screen 6, the round pipeline 10 is arranged on the other end of the round pipeline 10.
The goaf manometer 11 is installed outside the goaf, the goaf manometer 11 can ensure that the air pressure inside and outside the goaf is balanced, the connecting port 5 is a detachable device, after being discharged into the NaX type zeolite molecular sieve, high-concentration gaseous carbon dioxide is introduced, the distance sensor 8 is an early warning device, the warning line is 0m, the left 80-mesh screen 6 and the right 80-mesh screen 7 can be blocked above the distance sensor 8 while keeping permeability, the horizontal and vertical intervals of the circular pipeline 10 are 1m, the interval between the lowest end and the ground is 1.5m, after the installation is completed, workers can normally pass, the descending pipeline ports 9 are positioned below the circular pipeline 10, the interval is 1m, the adsorption capacity of the NaX type zeolite molecular sieve is fully utilized by adopting a plurality of groups of circular pipeline 10 and a plurality of groups of descending pipeline ports 9.
When the invention is practically used, the high-concentration carbon dioxide exhausted by nylon industry, chemical industry, power plant and the like is firstly prepared, purified and liquefied, the transportation is convenient, meanwhile, the coal ash burnt by each factory is collected, high-temperature calcination and acidification treatment are carried out to generate the required NaX-type zeolite molecular sieve, the NaX-type zeolite molecular sieve has higher adsorptivity to carbon dioxide, can effectively prevent carbon dioxide injected into the goaf from escaping, the carbon dioxide in the goaf is solidified, the space size of the goaf is estimated, and the quantitative NaX-type zeolite molecular sieve is firstly discharged into the goaf through the connecting port 5, so that the adsorption capacity of the NaX-type zeolite molecular sieve to the carbon dioxide is about 4mmol/g at normal temperature and normal pressure, and the carbon dioxide injection amount is convenient to be determined.
The compression-resistant tank 4 is evacuated to ensure that the inside is in a vacuum state, and then the liquid carbon dioxide storage tank is connected with the compression-resistant tank screw thread 1, and the expansion amount of the liquid high-concentration carbon dioxide converted into gaseous high-concentration carbon dioxide is as follows: 1000Kg liquid expansion of 640m 3 The compression-resistant tank braking device 2 is opened again, the initial charging amount is set by the expansion amount of the liquid carbon dioxide at normal temperature and normal pressure, the initial charging amount is controlled by the compression-resistant tank pressure meter 3, after the input is finished, the compression-resistant tank braking device 2 is closed, and the high-concentration gaseous carbon dioxide can pass through the left sideThe side 80 mesh screen 6 and the right side 80 mesh screen 7 flow into each circular pipeline 10, are discharged into the NaX zeolite molecular sieve through the descending pipeline opening 9, and finally the introduced high-concentration gaseous carbon dioxide is regulated through the goaf pressure measuring meter 11, so that the internal and external air pressure balance of the goaf is ensured.
As shown in FIG. 1, the goaf carbon sequestration pressurization using method comprises the following steps: the method comprises the steps of preparing, purifying and liquefying discharged high-concentration carbon dioxide, collecting coal ash after combustion, performing high-temperature calcination and acidification treatment to generate a required NaX-type zeolite molecular sieve, estimating the volume of a goaf, conveniently calculating the injection amount of carbon dioxide, discharging the quantitative NaX-type zeolite molecular sieve into the goaf through a connecting port 5, accurately controlling the discharge amount of the NaX-type zeolite molecular sieve through a distance sensor 8, ensuring the ventilation of a left 80-mesh screen 6 and a right 80-mesh screen 7, blocking the upper part of the distance sensor 8, connecting a pressure-resistant tank 4 with the connecting port 5, ensuring that the NaX-type zeolite molecular sieve is discharged firstly, then introducing high-concentration gaseous carbon dioxide, connecting a liquid carbon dioxide storage tank with a pressure-resistant tank screw thread 1, opening a pressure-resistant tank braking device 2, setting the initial charge amount, controlling through a pressure-resistant tank pressure gauge 3, closing the pressure-resistant tank braking device 2 after the input is completed, discharging gaseous high-concentration carbon dioxide into the NaX-type zeolite molecular sieve through a circular pipeline 10, controlling the pressure-resistant tank pressure gauge 11 in the goaf through a descending pipeline port 9, and controlling the pressure balance between the goaf and the inside and outside of the goaf.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a goaf solid carbon pressurizing device which characterized in that: including resistance to compression jar screw thread (1), resistance to compression jar arresting gear (2), resistance to compression jar pressure gauge (3), resistance to compression jar (4), connector (5), 80 mesh screen cloth in left side (6), 80 mesh screen cloth in right side (7), distance sensor (8), down pipeline mouth (9), circular pipeline (10) and goaf pressure gauge (11), resistance to compression jar arresting gear (2) one end is installed in resistance to compression jar screw thread (1) one side, resistance to compression jar (4) one side fixed mounting is in the other end of resistance to compression jar arresting gear (2), resistance to compression jar pressure gauge (3) are installed resistance to compression jar (4) top.
2. The goaf carbon sequestration pressurization device of claim 1, wherein: the device is characterized in that the connecting port (5) is arranged at one end of two connecting pipes, one end of each connecting pipe is arranged inside the compression-resistant tank (4) in a penetrating mode, the distance sensor (8) is fixedly arranged at the bottom of the other connecting pipe, one end of the left 80-mesh screen (6) is arranged at one side of the connecting pipe, one end of the right 80-mesh screen (7) is arranged at the other side of the connecting pipe, the circular pipeline (10) is arranged at the other end of the left 80-mesh screen (6) in a penetrating mode, the other end of the right 80-mesh screen (7) is arranged at the other end of the right 80-mesh screen in a penetrating mode, the descending pipeline port (9) is arranged on the circular pipeline (10), and the goaf manometer (11) is arranged outside the goaf.
3. The goaf carbon sequestration pressurization device of claim 2, wherein: the connecting port (5) is a detachable device.
4. A goaf carbon sequestration pressurization device as claimed in claim 3, characterised in that: the distance sensor (8) is an early warning device.
5. The goaf carbon sequestration pressurization device according to claim 4, wherein: the horizontal and vertical distances of the circular pipeline (10) are 1m, and the lowest end is 1.5m away from the ground.
6. The goaf carbon sequestration pressurization device according to claim 5, wherein: the descending pipeline opening (9) is positioned below the circular pipeline (10) and is spaced by 1m.
7. The goaf carbon fixation and pressurization use method is characterized by comprising the following steps of:
step one: preparing, purifying and liquefying high-concentration carbon dioxide;
step two: collecting the burnt coal ash, and performing high-temperature calcination and acidification treatment to generate the required NaX zeolite molecular sieve;
step three: estimating the goaf volume;
step four: discharging quantitative NaX zeolite molecular sieve into the goaf through the connecting port (5);
step five: the discharge amount of the NaX zeolite molecular sieve is precisely controlled by the distance sensor (8), and the ventilation of the left 80-mesh screen (6) and the right 80-mesh screen (7) is ensured;
step six: connecting the pressure-resistant tank (4) with the connection port (5);
step seven: connecting a liquid carbon dioxide storage tank with the compression-resistant tank screw thread (1), opening the compression-resistant tank braking device (2), setting initial filling quantity through the pre-calculated adsorption quantity, controlling through the compression-resistant tank pressure meter (3), and closing the compression-resistant tank braking device (2) after input is completed;
step eight: gaseous high-concentration carbon dioxide is discharged into the NaX zeolite molecular sieve through the descending pipeline opening (9) through the circular pipeline (10);
step nine: and controlling the balance of the internal and external air pressure of the goaf through the goaf pressure measuring meter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310781533.7A CN116816438A (en) | 2023-06-29 | 2023-06-29 | Goaf carbon fixation pressurizing device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310781533.7A CN116816438A (en) | 2023-06-29 | 2023-06-29 | Goaf carbon fixation pressurizing device and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116816438A true CN116816438A (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310781533.7A Pending CN116816438A (en) | 2023-06-29 | 2023-06-29 | Goaf carbon fixation pressurizing device and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116816438A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013141454A1 (en) * | 2012-03-22 | 2013-09-26 | 삼성중공업 주식회사 | Carbon dioxide management system and method |
| CN107676132A (en) * | 2017-09-15 | 2018-02-09 | 徐州工程学院 | Method for placing waste concrete and sealing carbon dioxide in old waste mine |
| CN212480831U (en) * | 2020-04-21 | 2021-02-05 | 神华神东煤炭集团有限责任公司 | Liquid carbon dioxide long distance conveying system |
| CN114856689A (en) * | 2022-05-09 | 2022-08-05 | 重庆大学 | Fly ash and CO 2 Mineralization and storage and goaf filling integrated method |
-
2023
- 2023-06-29 CN CN202310781533.7A patent/CN116816438A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013141454A1 (en) * | 2012-03-22 | 2013-09-26 | 삼성중공업 주식회사 | Carbon dioxide management system and method |
| CN107676132A (en) * | 2017-09-15 | 2018-02-09 | 徐州工程学院 | Method for placing waste concrete and sealing carbon dioxide in old waste mine |
| CN212480831U (en) * | 2020-04-21 | 2021-02-05 | 神华神东煤炭集团有限责任公司 | Liquid carbon dioxide long distance conveying system |
| CN114856689A (en) * | 2022-05-09 | 2022-08-05 | 重庆大学 | Fly ash and CO 2 Mineralization and storage and goaf filling integrated method |
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