CN113322103B - Reducing air separation inlet CO of coal gasification device 2 Concentration device - Google Patents
Reducing air separation inlet CO of coal gasification device 2 Concentration device Download PDFInfo
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- CN113322103B CN113322103B CN202110592487.7A CN202110592487A CN113322103B CN 113322103 B CN113322103 B CN 113322103B CN 202110592487 A CN202110592487 A CN 202110592487A CN 113322103 B CN113322103 B CN 113322103B
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- 238000000926 separation method Methods 0.000 title claims abstract description 29
- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000002309 gasification Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000009792 diffusion process Methods 0.000 claims description 40
- 239000000779 smoke Substances 0.000 claims description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 12
- 230000008030 elimination Effects 0.000 claims description 10
- 238000003379 elimination reaction Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 118
- 229910002092 carbon dioxide Inorganic materials 0.000 description 59
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010795 Steam Flooding Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
Abstract
The application relates to the field of air separation devices and discloses a device for reducing the concentration of CO2 at an air separation inlet of a coal gasification device, which comprises a discharge cylinder and a steam regulating mechanism for reducing the concentration of CO 2; the lower end of the discharge cylinder is used for being connected with an air separation inlet of the coal gasification device; the steam adjusting mechanism is arranged on the discharge cylinder; a steam generator is arranged on one side of the discharge cylinder; the steam adjusting mechanism is communicated with the steam generator. The method has the effect of effectively reducing the concentration of CO2 at the air separation inlet.
Description
Technical Field
The application relates to the technical field of air separation devices, in particular to a device for reducing the concentration of CO2 at an air separation inlet of a coal gasification device.
Background
The low-temperature methanol washing device of the coal gasification device discharges analysis gas which contains a large amount of high-concentration CO2. A large amount of CO2 is discharged into the atmosphere through an organized discharge cartridge, and an atmospheric diffusion phenomenon occurs in the upper air of the apparatus.
The CO2 concentration of the air separation inlet is easily out of standard under unfavorable atmospheric diffusion conditions such as dead wind and the like when a large amount of high-concentration CO2 gas is washed, analyzed and discharged by the low-temperature methanol of the coal gasification device, and the CO2 is heavier than air and can sink and spread after being discharged at high altitude, if the CO2 content in the air entering the air separation system is increased by spreading to the air separation device inlet, the channel of the air separation main heat exchanger is easily blocked, and the safe operation of the air separation device is influenced.
Accordingly, a device for reducing the concentration of CO2 at the air separation inlet of a coal gasification device is provided by a person skilled in the art to solve the above-mentioned problems.
Disclosure of Invention
An objective of the present application is to provide a device for reducing CO2 concentration at an air separation inlet of a coal gasification device, so as to solve the problems set forth in the background art.
On the one hand, in order to achieve the above purpose, the present application provides the following technical solutions:
a device for reducing the concentration of CO2 at an air separation inlet of a coal gasification device comprises an emission cylinder and a steam adjusting mechanism for reducing the concentration of CO 2; the lower end of the discharge cylinder is used for being connected with an air separation inlet of the coal gasification device; the steam adjusting mechanism is arranged on the discharge cylinder; a steam generator is arranged on one side of the discharge cylinder; the steam adjusting mechanism is communicated with the steam generator.
As a further aspect of the present application: the steam adjusting mechanism comprises a steam distributor arranged in the discharge cylinder; the steam distributor is close to the upper end of the discharge cylinder; the steam distributor comprises a connecting block and a distributing pipe communicated with one side of the connecting block; the upper end face of the distribution pipe is provided with a plurality of exhaust holes; the steam generator is communicated with the connecting block through a first air supply pipe.
As yet a further aspect of the present application: the steam regulating mechanism comprises a steam equalizer arranged in the discharge cylinder; an outer ring pipe is arranged in the discharge cylinder; the steam equally dividing device comprises a plurality of first vent pipes which are arranged along the upper end face of the outer ring pipe; the first vent pipe is communicated with the outer ring pipe; the outer annular tube is in communication with the steam generator via a second air supply tube.
As yet a further aspect of the present application: the steam regulating mechanism also comprises a smoke elimination steam device arranged outside the discharge cylinder; the smoke elimination steam device comprises a first annular pipe sleeved outside the discharge cylinder; the upper end face of the first annular pipe is provided with a plurality of air dispersing pipes; the first annular tube is in communication with a steam generator.
As yet a further aspect of the present application: an inner annular pipe is arranged in the discharge cylinder; the inner ring pipe is positioned inside the outer ring pipe; a plurality of second vent pipes are arranged on the upper end face of the inner ring pipe; the inner ring pipe is communicated with the outer ring pipe through a connecting pipe.
As yet a further aspect of the present application: a second annular pipe is arranged outside the discharge cylinder; the second air supply pipe is communicated with the second annular pipe; a blow-down pipe is arranged at one side of the discharge cylinder; the blow-down pipe is communicated with the first annular pipe and the second annular pipe; the upper end of the blow-down pipe is communicated; the lower end of the blow-down pipe is communicated with a steam generator.
As yet a further aspect of the present application: the steam adjusting mechanism comprises a smoke lifter arranged outside the discharge cylinder; the flue gas lifter comprises a first diffusion pipe, a second diffusion pipe and a third diffusion pipe which are sleeved outside the discharge cylinder and are sequentially connected from top to bottom; the inner diameter of the first diffusion pipe is increased gradually from bottom to top; the inner diameter of the third diffusion pipe is decreased from bottom to top; the maximum inner diameter of the first diffusion pipe and the minimum inner diameter of the third diffusion pipe are the same as the inner diameter of the second diffusion pipe; the bottom of the third diffusion tube is provided with a plugging component; the plugging assembly is in communication with a steam generator.
As yet a further aspect of the present application: the plugging assembly comprises a first annular plate and a second annular plate which are semi-annular; the upper end surfaces of the first annular plate and the second annular plate are provided with seal semi-rings; the seal semi-ring is tightly attached to the inner wall of the third diffusion pipe; mounting sheets are arranged at two ends of the first annular plate and the second annular plate; the mounting plates positioned on the same side of the first annular plate and the second annular plate are fixedly connected through bolts; the first annular plate is provided with a third air supply pipe communicated with the steam generator.
On the other hand, in order to achieve the above purpose, the present application provides the following technical solutions:
an apparatus for reducing the concentration of CO2 at an air separation inlet of a coal gasification apparatus, the method for reducing the concentration of CO2 comprising the steps of: s1, detecting the concentration of CO2 above the discharge cylinder, and comparing whether the concentration of the CO2 exceeds a standard value; s2, if the concentration of CO2 exceeds a standard value, starting a steam generator to provide steam for a steam adjusting mechanism; s3, adjusting the flow of the steam generator according to the detected concentration value of CO2 in the discharge cylinder.
Compared with the prior art, the beneficial effects of this application are:
1. through setting up at coal gasification equipment's space division inlet department and discharging a section of thick bamboo, when discharging a section of thick bamboo department CO2 concentration and exceeding the standard value, open steam generator, for steam adjustment mechanism provides steam, steam drives CO2 temperature and risees, and the diffusion rate of CO2 in the atmosphere after the intensification is strengthened, makes the cumulative effect of concentration weaken, and then can effectively reduce the CO2 concentration of space division import department.
2. The smoke elimination steam generator is arranged outside the discharge cylinder, so that under the condition that CO2 exceeds standard, the heat elevation height generated by the steam discharge in the air separation direction is regulated to be far higher than the elevation height of the analysis gas discharge, and thus, under the condition of static wind, a point source which is relatively diluted and has higher effective discharge height is generated by the CO2 discharge in the air separation direction.
3. Through set up the flue gas riser in the discharge section of thick bamboo outside, increase the higher steam of emission rate around the exhaust gas four of discharge section of thick bamboo, the analytical gas density of discharge port descends under the drive of steam, promotes the exit velocity rapidly to the heating power promotes the reinforcing under the condition of receiving steam heating, makes the effective height of CO2 increase in a large number.
4. The pipe diameter of the flue gas lifter is changed, the venturi effect is utilized, when steam flows in the flue gas lifter, the dynamic pressure reaches the maximum value at the narrowest part of the pipeline, the static pressure reaches the minimum value, the speed of the steam rises due to the reduction of the area of the cross section of the through flow, and CO2 in the discharge cylinder is quickly driven to diffuse and flow out of the discharge cylinder.
Drawings
FIG. 1 is a schematic view of a steam distributor according to embodiment 1 of the present application;
FIG. 2 is a schematic view showing the installation structure of the steam distribution and exhaust drum according to embodiment 1 of the present application;
FIG. 3 is a schematic view of a steam equally dividing device according to embodiment 2 of the present application;
fig. 4 is a schematic structural view of a smoke elimination steamer of embodiment 2 of the application.
Fig. 5 is a schematic structural view of a smoke lifter of embodiment 3 of the present application.
Fig. 6 is a schematic structural view of a plugging assembly in embodiment 3 of the present application.
In the figure: 1. a discharge cylinder; 2. a steam generator; 3. a steam distributor; 31. a connecting block; 32. a distribution pipe; 321. an exhaust hole; 33. a first gas supply pipe; 331. a first pipe; 332. a second pipe; 333. a third conduit; 4. a steam equally dividing device; 41. an outer annular tube; 42. an inner annular tube; 43. a first vent pipe; 44. a second vent pipe; 45. a connecting pipe; 46. a second gas supply pipe; 5. a smoke abatement steamer; 51. a first annular tube; 511. a gas dispersing pipe; 52. a second annular tube; 53. blow-down pipe; 6. a flue gas lifter; 61. a first diffusion tube; 62. a second diffusion tube; 63. a third diffusion tube; 7. a plugging assembly; 71. a first annular plate; 72. a second annular plate; 73. a seal half ring; 74. a mounting piece; 75. a third gas supply pipe; 76. a bellows.
Detailed Description
Referring to fig. 1 to 6, in one aspect, an apparatus for reducing CO2 concentration at an air separation inlet of a coal gasification apparatus is provided in an embodiment of the present application. The utility model provides a reduce coal gasification device's space division import CO2 concentration's device, includes emission section of thick bamboo 1 and steam adjustment mechanism, and emission section of thick bamboo 1 vertical setting, and emission section of thick bamboo 1's lower extreme is linked together with coal gasification device's space division inlet, and emission section of thick bamboo 1's upper end fixed mounting has carbon dioxide concentration detector for detect emission section of thick bamboo 1 upper end's CO2 concentration. A steam conditioning mechanism is mounted on the discharge vessel 1 for reducing the concentration of CO2. One side of the discharge cylinder 1 is provided with a steam generator 2, a steam adjusting mechanism is communicated with the steam generator 2 and is used for generating steam, and the steam is provided for the steam adjusting mechanism, so that the steam drives the temperature of CO2 to rise, the diffusion rate of the CO2 in the atmosphere after the temperature rise is enhanced, the cumulative effect of concentration is weakened, and then the concentration of CO2 at an air separation inlet can be effectively reduced.
Example 1
Referring to fig. 1, the steam adjusting mechanism includes a steam distributor 3, the steam distributor 3 is installed inside the discharge vessel 1, and the steam distributor 3 is near the upper end of the discharge vessel 1. The steam distributor 3 includes connecting block 31 and distribution pipe 32, and the center of connecting block 31 coincides with the center of discharging tube 1, and the circumference evenly distributed of distribution pipe 32 connecting block 31 has a plurality ofly, and connecting block 31 and distribution pipe 32 all are hollow setting, and connecting block 31 is linked together with distribution pipe 32, and a plurality of exhaust holes 321 have been seted up to the up end of distribution pipe 32, and a plurality of exhaust holes 321 set up along the length direction interval of distribution pipe 32.
Referring to fig. 1 and 2, a first air supply pipe 33 communicates with the lower end of the connection block 31. The first air supply pipe 33 includes a first pipe 331, a second pipe 332 and a third pipe 333, the first pipe 331 is vertically disposed and is communicated with the lower end surface of the connection block 31, the second pipe 332 is horizontally disposed, one end of the second pipe 332 is communicated with the lower end of the first pipe 331, the other end of the second pipe 332 passes through the discharge cylinder 1 and is fixed with the discharge cylinder 1, one end of the third pipe 333 is communicated with the end of the second pipe 332 extending out of the discharge cylinder 1, and the other end of the third pipe 333 is communicated with the steam generator 2.
The working principle of embodiment 1 of the present application is: firstly, judging whether the concentration in the discharge cylinder 1 exceeds the standard value set by the concentration of CO2 according to the carbon dioxide concentration detector, and if the concentration value of the CO2 in the discharge cylinder 1 is too high, starting and adjusting the steam flow of the steam generator 2 according to the concentration value of the CO2. The steam supplied through the steam generator 2 passes through the first air supply pipe 33, is supplied to the connection block 31 by the first air supply pipe 33, and a large amount of steam flows out of the exhaust holes 321 of the plurality of distribution pipes 32 since the connection block 31 is communicated with the plurality of distribution pipes 32. The steam flows to drive the temperature of CO2 in the discharge cylinder 1, so that the diffusion rate of the CO2 in the atmosphere after temperature rise is enhanced, the concentration accumulation effect is weakened, and the concentration of CO2 at the air separation inlet can be effectively reduced.
Example two
The difference from example 1 is that: referring to fig. 3, the steam adjusting mechanism includes a steam equally divider 4 and a smoke elimination steam generator 5, the steam equally divider 4 is installed inside the discharge cylinder 1, and the steam equally divider 4 is close to the upper end of the discharge cylinder 1. The steam equally divider 4 includes an outer ring pipe 41, an inner ring pipe 42, a first ventilation pipe 43, and a second ventilation pipe 44, the outer ring pipe 41 and the inner ring pipe 42 are both installed inside the discharge cylinder 1, and the center lines of the outer ring pipe 41 and the inner ring pipe 42 coincide with the center line of the discharge cylinder 1. The inner ring tube 42 is located inside the outer ring tube 41, and connecting tubes 45 are communicated between the inner ring tube 42 and the outer ring tube 41, and in order to improve the connection stability of the inner ring tube 42 and the outer ring tube 41 and the ventilation rate, the connecting tubes 45 are uniformly arranged in plurality along the outer circumference of the inner ring tube 42. The first breather pipes 43 are vertically fixed to the upper end surface of the outer ring pipe 41 and communicate with the inside of the outer ring pipe 41, and the first breather pipes 43 are provided in plurality at intervals along the circumferential direction of the outer ring pipe 41. The second ventilation pipe 44 is vertically fixed to the upper end surface of the inner annular pipe 42 and communicates with the inner annular pipe 42. A second air supply pipe 46 communicated with the outer ring pipe 41 is fixed on the outer side of the outer ring pipe 41, one end of the second air supply pipe 46 penetrates through the side wall of the discharge cylinder 1 and is fixedly connected with the discharge cylinder 1, and the other end of the second air supply pipe 46 is communicated with the steam generator 2.
Referring to fig. 4, the smoke elimination steam generator 5 is sleeved on the outer side wall of the discharge cylinder 1, and the inner side wall of the smoke elimination steam generator 5 is fixedly connected with the discharge cylinder 1. The smoke elimination steam generator 5 comprises a first annular pipe 51 and a second annular pipe 52, the first annular pipe 51 and the second annular pipe 52 are sleeved on the outer side of the discharge cylinder 1, and the first annular pipe 51 and the second annular pipe are close to the upper end of the discharge cylinder 1. The upper end surface of the first annular tube 51 is communicated with a plurality of air dispersing tubes 511, and the plurality of air dispersing tubes 511 are arranged at intervals along the circumferential direction of the first annular tube 51. The blow-down pipe 53 is installed to one side of the discharge cylinder 1, and the blow-down pipe 53 is arranged along the height direction of the discharge cylinder 1, and the blow-down pipe 53 is communicated with the first annular pipe 51 and the second annular pipe 52. The upper end of the blow-down pipe 53 is opened, and the lower end of the blow-down pipe 53 is communicated with the steam generator 2.
The working principle of embodiment 2 of the present application is: firstly, judging whether the concentration in the discharge cylinder 1 exceeds the standard value set by the concentration of CO2 according to the carbon dioxide concentration detector, and if the concentration value of the CO2 in the discharge cylinder 1 is too high, starting and adjusting the steam flow of the steam generator 2 according to the concentration value of the CO2. Providing steam into the blow-down pipe 53 through the steam generator 2, the steam passing through the blow-down pipe 53, a portion of the steam entering the first annular pipe 51 and exiting the diffuser pipe 511; the other part of steam enters the second annular pipe 52 and sequentially passes through the outer annular pipe 41 and the inner annular pipe 42 until flowing out from the first ventilation pipe 43 and the second ventilation pipe 44, so that a large amount of steam is provided in the discharge cylinder 1, the CO2 flow in the discharge cylinder 1 is quickened by the combined action of the steam inside and outside the discharge cylinder 1, and the CO2 removal efficiency is further effectively improved.
Example III
The difference from example 1 and example 2 is that: referring to fig. 5, the steam adjusting mechanism includes a flue gas lifter 6, and the flue gas lifter 6 includes a first diffusion tube 61, a second diffusion tube 62 and a third diffusion tube 63 which are sleeved outside the discharge tube 1 and sequentially connected from top to bottom, wherein the inner diameter of the first diffusion tube 61 increases from bottom to top, the second diffusion tube 62 is hollow cylindrical, and the inner diameter of the third diffusion tube 63 decreases from bottom to top. The maximum inner diameter of the first diffusion tube 61 and the minimum inner diameter of the third diffusion tube 63 are the same as the inner diameter of the second diffusion tube 62. The bottom of the third diffusion tube 63 is provided with a plugging assembly 7, and the plugging assembly 7 is used for being connected with the steam generator 2 to provide steam for the flue gas lifter 6.
Referring to fig. 5 and 6, the blocking assembly 7 includes a first annular plate 71 and a second annular plate 72 which are sleeved on the outer side wall of the discharge tube 1, the first annular plate 71 and the second annular plate 72 are both semi-annular, a seal semi-ring 73 is fixed on the upper end surfaces of the first annular plate 71 and the second annular plate 72, the seal semi-ring 73 is made of rubber, and the seal semi-ring 73 is tightly attached to the inner wall of the third diffusion tube 63. The mounting pieces 74 are formed at both ends of the first and second annular plates 71, 72, and the mounting pieces 74 located at the same side of the first and second annular plates 71, 72 are closely adhered and fixedly connected together by bolts. A third air supply pipe 75 is fixedly connected to the lower end surface of the first annular plate 71, and the other end of the third air supply pipe 75 is connected to the steam generator 2. In order to further improve the gas supply efficiency to the flue gas lifter 6, a bellows 76 is connected to the lower end surface of the second annular plate 72, and the other end of the bellows 76 is connected to a third gas supply pipe 75.
The working principle of embodiment 3 of the present application is: firstly, judging whether the concentration in the discharge cylinder 1 exceeds the standard value set by the concentration of CO2 according to the carbon dioxide concentration detector, and if the concentration value of the CO2 in the discharge cylinder 1 is too high, starting and adjusting the steam flow of the steam generator 2 according to the concentration value of the CO2. Providing steam into the third air supply pipe 75 through the steam generator 2, and delivering a part of the steam into the third diffusion pipe 63 through the third air supply pipe 75; another portion of the steam is delivered into the third diffuser 63 via the bellows 76, greatly improving the uniformity of steam delivery into the flue gas lifter 6 and improving the steam delivery efficiency. The pipe diameter of the flue gas lifter 6 is changed, the venturi effect is utilized, when steam flows in the flue gas lifter 6, the dynamic pressure reaches the maximum value at the narrowest part of the pipeline, the static pressure reaches the minimum value, the speed of the steam rises due to the reduction of the cross section area of the through flow, and CO2 in the discharge cylinder 1 is quickly driven to diffuse and flow out of the discharge cylinder 1.
In another aspect, the embodiment of the application further provides a method for reducing the concentration of CO2 by using the device for reducing the concentration of CO2 at the air separation inlet of the coal gasification device: referring to fig. 1 to 6, the method comprises the steps of:
s1, detecting the concentration of CO2 above the discharge cylinder 1 through a carbon dioxide concentration detector, and comparing whether the concentration of the CO2 exceeds a standard value.
And S2, if the concentration of the CO2 exceeds the standard value, starting the steam generator 2 to provide steam for the steam adjusting mechanism.
And S3, adjusting the flow rate of the steam generator 2 according to the detected value of the concentration of the CO2 in the discharge cylinder 1 so as to be suitable for adjusting the concentration of the CO2 in the discharge cylinder 1.
The foregoing description is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, within the scope of the present application, should be covered by the protection scope of the present application, since all the technical solutions and the application concepts of the present application are equivalent and changed.
Claims (4)
1. The device for reducing the concentration of CO2 in the air separation inlet of the coal gasification device is characterized by comprising an emission cylinder (1) and a steam regulating mechanism for reducing the concentration of CO 2; the lower end of the discharge cylinder (1) is used for being connected with an air separation inlet of the coal gasification device; the steam adjusting mechanism is arranged on the discharge cylinder (1); a steam generator (2) is arranged on one side of the discharge cylinder (1); the steam adjusting mechanism is communicated with the steam generator (2);
the steam regulating mechanism comprises a steam equipartition device (4) arranged in the discharge cylinder (1) and a smoke elimination steam device (5) arranged outside the discharge cylinder (1); an outer ring pipe (41) is arranged in the discharge cylinder (1); the steam equally dividing device (4) comprises a plurality of first vent pipes (43) arranged along the upper end surface of the outer ring pipe (41); the first vent pipe (43) is communicated with the outer annular pipe (41); a second air supply pipe (46) communicated with the outer annular pipe (41) is fixed on the outer side of the outer annular pipe;
the smoke elimination steam device (5) comprises a first annular pipe (51) sleeved outside the discharge cylinder (1); the upper end face of the first annular pipe (51) is provided with a plurality of air dispersing pipes (511);
a second annular pipe (52) is arranged outside the discharge cylinder (1); the second gas supply pipe (46) is communicated with a second annular pipe (52); a blow-down pipe (53) is arranged at one side of the discharge cylinder (1); the blow-down pipe (53) is communicated with the first annular pipe (51) and the second annular pipe (52); the upper end of the blow-down pipe (53) is communicated; the lower end of the blow-down pipe (53) is communicated with the steam generator (2);
or the steam adjusting mechanism comprises a smoke lifter (6) arranged outside the discharge cylinder (1); the flue gas lifter (6) comprises a first diffusion pipe (61), a second diffusion pipe (62) and a third diffusion pipe (63) which are sleeved outside the discharge cylinder (1) and are sequentially connected from top to bottom; the inner diameter of the first diffusion tube (61) increases from bottom to top; the inner diameter of the third diffusion pipe (63) decreases from bottom to top; the minimum inner diameter of the first diffusion pipe (61) and the minimum inner diameter of the third diffusion pipe (63) are the same as the inner diameter of the second diffusion pipe (62); the bottom of the third diffusion pipe (63) is provided with a plugging component (7); the plugging component (7) is communicated with the steam generator (2).
2. The device for reducing the concentration of CO2 at the air separation inlet of the coal gasification device according to claim 1, wherein an inner annular pipe (42) is arranged in the discharge cylinder (1); the inner ring pipe (42) is positioned inside the outer ring pipe (41); a plurality of second ventilation pipes (44) are arranged on the upper end surface of the inner ring pipe (42); the inner ring pipe (42) is communicated with the outer ring pipe (41) through a connecting pipe (45).
3. The apparatus for reducing the concentration of CO2 at the air separation inlet of a coal gasification apparatus according to claim 1, wherein the plugging assembly (7) comprises a first annular plate (71) and a second annular plate (72) in the shape of semi-rings; the upper end surfaces of the first annular plate (71) and the second annular plate (72) are provided with a seal semi-ring (73); the seal semi-ring (73) is tightly attached to the inner wall of the third diffusion pipe (63); mounting sheets (74) are arranged at two ends of the first annular plate (71) and the second annular plate (72); the mounting plates (74) positioned on the same side of the first annular plate (71) and the second annular plate (72) are fixedly connected through bolts; a third air supply pipe (75) communicated with the steam generator (2) is arranged on the first annular plate (71).
4. The apparatus for reducing the concentration of CO2 at the air separation inlet of a coal gasification apparatus according to any one of claims 1 to 3, wherein the method for reducing the concentration of CO2 comprises the steps of:
s1, detecting the concentration of CO2 above the discharge cylinder (1), and comparing whether the concentration of the CO2 exceeds a standard value;
s2, if the concentration of CO2 exceeds a standard value, starting a steam generator (2) to provide steam for a steam adjusting mechanism;
s3, adjusting the flow of the steam generator (2) according to the detected concentration value of CO2 in the discharge cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110592487.7A CN113322103B (en) | 2021-05-28 | 2021-05-28 | Reducing air separation inlet CO of coal gasification device 2 Concentration device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110592487.7A CN113322103B (en) | 2021-05-28 | 2021-05-28 | Reducing air separation inlet CO of coal gasification device 2 Concentration device |
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| CN113322103A CN113322103A (en) | 2021-08-31 |
| CN113322103B true CN113322103B (en) | 2024-03-08 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792408A (en) * | 2005-11-23 | 2006-06-28 | 孙克勤 | Apparatus for preventing flue-gas from being washed down for wet chimney of flue-gas desulphurization equipment |
| JP2014113593A (en) * | 2014-03-10 | 2014-06-26 | Shinko Air Water Cryoplant Ltd | Pre-treatment device for air separation apparatus and pre-treatment method therefor |
| CN106401749A (en) * | 2016-10-11 | 2017-02-15 | 中国华能集团清洁能源技术研究院有限公司 | IGCC-based near zero emission coal-fired power generation system and method |
| CN210874819U (en) * | 2019-07-23 | 2020-06-30 | 国家能源集团宁夏煤业有限责任公司 | Device for controlling carbon dioxide content at inlet of air separation plant and air separation plant |
-
2021
- 2021-05-28 CN CN202110592487.7A patent/CN113322103B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1792408A (en) * | 2005-11-23 | 2006-06-28 | 孙克勤 | Apparatus for preventing flue-gas from being washed down for wet chimney of flue-gas desulphurization equipment |
| JP2014113593A (en) * | 2014-03-10 | 2014-06-26 | Shinko Air Water Cryoplant Ltd | Pre-treatment device for air separation apparatus and pre-treatment method therefor |
| CN106401749A (en) * | 2016-10-11 | 2017-02-15 | 中国华能集团清洁能源技术研究院有限公司 | IGCC-based near zero emission coal-fired power generation system and method |
| CN210874819U (en) * | 2019-07-23 | 2020-06-30 | 国家能源集团宁夏煤业有限责任公司 | Device for controlling carbon dioxide content at inlet of air separation plant and air separation plant |
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| CN113322103A (en) | 2021-08-31 |
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Country or region after: China Address after: 246000 Daguan circular economy industrial park, Anqing City, Anhui Province Applicant after: Anqing Changhong Technology Co.,Ltd. Address before: 246003 economic Circular Industrial Park, Daguan District, Anqing City, Anhui Province Applicant before: ANQING CHANGHONG CHEMICAL Co.,Ltd. Country or region before: China |
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