CN115920611A - Coal ash carbon fixation device and use method thereof - Google Patents
Coal ash carbon fixation device and use method thereof Download PDFInfo
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- CN115920611A CN115920611A CN202211581271.1A CN202211581271A CN115920611A CN 115920611 A CN115920611 A CN 115920611A CN 202211581271 A CN202211581271 A CN 202211581271A CN 115920611 A CN115920611 A CN 115920611A
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- coal ash
- frame
- ash slurry
- supporting
- guide cylinder
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- 239000010883 coal ash Substances 0.000 title claims abstract description 145
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 125
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 116
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 58
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 58
- 239000002912 waste gas Substances 0.000 claims abstract description 25
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000012466 permeate Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 42
- 239000007789 gas Substances 0.000 claims description 33
- 230000000903 blocking effect Effects 0.000 claims description 17
- 230000002441 reversible effect Effects 0.000 claims description 15
- 230000009919 sequestration Effects 0.000 claims description 11
- 230000007480 spreading Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000292 calcium oxide Substances 0.000 abstract description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 9
- 239000000395 magnesium oxide Substances 0.000 abstract description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003250 coal slurry Substances 0.000 description 8
- 239000003245 coal Substances 0.000 description 6
- 239000004570 mortar (masonry) Substances 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The invention relates to the field of coal ash carbon fixation, in particular to a coal ash carbon fixation device and a using method thereof. The invention provides a coal ash carbon fixation device which is convenient for carbon dioxide to permeate into coal ash slurry, improves the utilization rate of the coal ash slurry and ensures that the coal ash slurry and the carbon dioxide are fully reacted, and a use method thereof, wherein the coal ash carbon fixation device comprises a box body, a box door plate, a fixing bolt and the like; the case door plant passes through the hinge rotary type and installs on the box, two fixing bolt locates on box and case door plant through the screw thread rotary type, flows with shallow state through letting coal ash slurry, and inside carbon dioxide entering coal ash slurry of can being convenient for like this, substances such as calcium oxide and magnesium oxide in the coal ash slurry can react with carbon dioxide fully, has improved coal ash slurry's utilization ratio, has realized the purpose of handling the carbon dioxide in the waste gas comprehensively.
Description
Technical Field
The invention relates to the field of coal ash carbon fixation, in particular to a coal ash carbon fixation device and a using method thereof.
Background
Along with the development of the society, the discharged carbon dioxide also increases year by year, and causes serious pollution to the environment, the fly ash is fly ash generated by an electrostatic dust collector of a thermal power plant, belongs to one of industrial solid wastes, the coal ash slurry is a product prepared by mixing and stirring the fly ash and water according to a proportion, and the coal ash slurry can react with the carbon dioxide to realize the purpose of carbon sequestration.
Because the coal ash slurry is a solid sticky matter stacked together, carbon dioxide in the waste gas cannot penetrate into the coal ash slurry, substances such as calcium oxide, magnesium oxide and the like in the coal ash slurry cannot react with the carbon dioxide, the utilization rate of the coal ash slurry is not high, and the coal ash slurry cannot fully react with the carbon dioxide, so that the carbon sequestration effect is poor.
Disclosure of Invention
The invention provides a coal ash carbon sequestration device which is convenient for carbon dioxide to permeate into coal ash slurry, improves the utilization rate of the coal ash slurry and ensures that the coal ash slurry and the carbon dioxide are fully reacted, and a use method thereof.
The technical scheme is as follows: the coal ash carbon fixing device comprises a box body, a box door plate, fixing bolts, an exhaust supporting frame, a spherical shell, a porous supporting seat, a supporting cylinder, a coal ash slurry sub-paving component, a coal ash slurry discharge adjusting component, an air guide plate, a one-way valve and an air inlet frame, wherein the box door plate is installed on the box body in a hinge rotating mode, the fixing bolts are symmetrically arranged on the box body and the box door plate in a threaded rotating mode, the large through hole is formed in the top of the box body, the exhaust supporting frame is arranged at the top of the box body, the exhaust supporting frame is provided with an exhaust square hole and fixedly connected to the top of the exhaust supporting frame, the porous supporting seat is arranged at the top of the spherical shell, the supporting cylinder is installed at the top of the spherical shell, the coal ash slurry sub-paving component is arranged in the supporting cylinder, the coal ash slurry discharge adjusting component is arranged at the top of the porous supporting seat, the air guide plate is fixedly connected to the top of the porous supporting seat, the air guide plate is communicated with the plurality of the one-way valves, and the porous supporting seat passes through the porous supporting seat.
As a further preferable scheme, the coal ash slurry spreading component includes a rotation supporting disk, strip plates, a rotation supporting shaft, supporting springs, an inner spherical material guiding cylinder, an outer spherical material guiding cylinder, a servo motor, and a six-side shaft, the rotation supporting disk is slidably disposed in the supporting cylinder, the two strip plates are slidably disposed on the rotation supporting disk, the two strip plates are symmetrically disposed, the rotation supporting shaft is fixedly connected to the two strip plates, the rotation supporting shaft is slidably connected to the rotation supporting disk, the supporting springs are connected between the two strip plates and the rotation supporting disk, the inner spherical material guiding cylinder is fixedly connected to the rotation supporting shaft, the outer spherical material guiding cylinder is mounted on the inner spherical material guiding cylinder, the outer spherical material guiding cylinder is located in the spherical shell, the servo motor is mounted at the inner top of the supporting cylinder, the six-side shaft is fixedly connected to an output shaft of the servo motor, and the six-side shaft is slidably connected to the upper portion of the rotation supporting shaft.
As a further preferable scheme, the coal ash slurry discharge adjustment component includes a cam, a feeding chute frame, an inner discharge pipe, an outer discharge pipe and a blocking plate frame, the cam is mounted on the upper portion of the rotating support shaft, the inner discharge pipe and the outer discharge pipe are mounted on the porous support seat, the inner discharge pipe and the outer discharge pipe pass through the porous support seat, the inner discharge pipe is located above the inner spherical guide cylinder, the outer discharge pipe is located above the outer spherical guide cylinder, the feeding chute frame is mounted at the top ends of the inner discharge pipe and the outer discharge pipe, the feeding chute frame is communicated with the inner discharge pipe and the outer discharge pipe, the feeding chute frame passes through the support cylinder, the blocking plate frame is connected in the feeding chute frame in a sliding manner, and the blocking plate frame is connected with the cam in a sliding manner.
As a further preferable scheme, the coal ash slurry shaking device further comprises a coal ash slurry shaking component, the coal ash slurry shaking component is arranged in the supporting cylinder and comprises a convex plate and a protrusion, the two convex plates are arranged on the upper portion in the supporting cylinder and symmetrically arranged, the top of each of the two strip plates is provided with the protrusion, and the two protrusions are symmetrically arranged.
As a further preferred scheme, the exhaust gas exhaust device further comprises a pressurizing part, wherein the pressurizing part is arranged on the lower portion of the rotary supporting shaft and comprises a shielding plate and a limiting strip, the shielding plate is rotatably arranged on the lower portion of the rotary supporting shaft, the two limiting strips are arranged on the exhaust supporting frame, and the shielding plate is connected with the two limiting strips in a sliding mode.
As a further preferable scheme, the air intake device further comprises a support rod, a movable stop block and a spiral spring, wherein the support rod is fixedly connected to the top of the air intake frame, the movable stop block is connected to the support rod in a sliding manner, the movable stop block is connected with the air intake frame in a sliding manner, the spiral spring is connected between the movable stop block and the air intake frame, and the cam is in contact with the movable stop block.
As a further preferable scheme, the device also comprises a reverse flow guide plate, wherein the reverse flow guide plate is arranged at the bottom end of the rotating support shaft, and the reverse flow guide plate is provided with a circulation groove.
As a further preferable embodiment, the method comprises the following steps:
the method comprises the following steps: firstly, connecting an air inlet frame with an air supply pipeline, connecting a feeding groove frame with a coal slurry feeding pipeline, and connecting an exhaust supporting frame with a waste gas collecting pipeline;
step two: an operator starts a servo motor, the inner spherical guide cylinder and the outer spherical guide cylinder rotate along with the servo motor, the coal ash slurry falls onto the surface of the inner spherical guide cylinder or the outer spherical guide cylinder, the coal ash slurry becomes thin in the downward flowing process, carbon dioxide can fully react with substances in the coal ash slurry conveniently, the gas pressure in the spherical shell is gradually increased in the reaction process, and the carbon dioxide can conveniently permeate into the coal ash slurry;
step three: the inner spherical guide cylinder or the outer spherical guide cylinder intermittently throws the coal ash slurry to separate the coal ash slurry adhered to each other, and the surfaces of the inner spherical guide cylinder and the outer spherical guide cylinder become thinner, so that the carbon dioxide and the substances of the coal ash slurry can fully react;
step four: after the waste gas with carbon dioxide is treated, an operator cleans the box body in time.
The invention has the following advantages:
1. the coal ash slurry falls to the surface of the rotating inner spherical guide cylinder, then the coal ash slurry can slowly flow downwards along the surface of the inner spherical guide cylinder under the action of gravity, the coal ash slurry covers the inner spherical guide cylinder, the thickness of the inner spherical guide cylinder is gradually reduced, waste gas containing a large amount of carbon dioxide is contacted with the shallow coal ash slurry, the purpose of fixing carbon dioxide in the coal ash slurry is achieved, the coal ash slurry flows in a shallow state, so that the carbon dioxide can conveniently enter the coal ash slurry, substances such as calcium oxide, magnesium oxide and the like in the coal ash slurry can fully react with the carbon dioxide, the utilization rate of the coal ash slurry is improved, the purpose of comprehensively treating the carbon dioxide in the waste gas is achieved, and the emission of the carbon dioxide gas is reduced.
2. The cam drives the blocking plate frame to horizontally reciprocate, the blocking plate frame is intermittently positioned above the inner discharge pipe or the outer discharge pipe, so that the coal ash slurry material intermittently falls on the surface of the inner spherical guide cylinder or the surface of the outer spherical guide cylinder, and the discharge position of the coal ash slurry material is intermittently changed, so that the coal ash slurry material can be fully spread and thinned, the subsequently discharged coal ash slurry material cannot cover the previous coal ash slurry material, the coal ash slurry material has sufficient time to contact with carbon dioxide, and the carbon dioxide gas is fully fixed in the coal ash slurry material.
3. The protrusions rotate to be in contact with the lug plates, the inner spherical guide cylinder and the outer spherical guide cylinder move downwards along with the downward movement of the protrusions, the spiral springs are compressed and separated from the lug plates, the spiral springs push the strip plates, the rotary supporting shafts, the inner spherical guide cylinder and the outer spherical guide cylinder to rapidly move upwards and reset, coal ash slurry on the surfaces of the inner spherical guide cylinder and the outer spherical guide cylinder is thrown along with the coal ash slurry, the surfaces of the inner spherical guide cylinder and the outer spherical guide cylinder become thinner, the carbon dioxide can be conveniently and fully reacted with the coal ash slurry, meanwhile, the distance for throwing the coal ash slurry is short, the contact time between the coal ash slurry and the carbon dioxide cannot be greatly reduced, and substances such as calcium oxide, magnesium oxide and the like in the coal ash slurry can have enough time to react with the carbon dioxide.
4. The shielding plate plugs the exhaust square hole of the exhaust supporting frame, waste gas in the spherical shell cannot be exhausted, the gas pressure in the spherical shell is continuously increased, and gas with higher pressure is convenient for carbon dioxide to permeate into the coal ash slurry, so that the utilization rate of the coal ash slurry is further improved, and the carbon dioxide can be more fully reacted with substances such as calcium oxide, magnesium oxide and the like in the coal ash slurry to achieve the purpose of fixing the carbon dioxide in the coal ash slurry.
5. The reverse guide plate is used for pushing the waste gas flowing downwards to flow upwards again, so that the retention time of the waste gas near the inner spherical guide cylinder and the outer spherical guide cylinder can be prolonged, and the substances in the coal ash slurry can be conveniently and fully reacted with the carbon dioxide in the waste gas.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a schematic sectional perspective view of the present invention.
Fig. 4 is a schematic view of a first partially cut-away perspective structure of the present invention.
Fig. 5 is an enlarged perspective view of the present invention a.
Fig. 6 is a second partially sectional perspective view of the present invention.
Fig. 7 is a schematic view of a third partially sectional perspective structure of the present invention.
Fig. 8 is a schematic view of a fourth partially cross-sectional three-dimensional structure according to the present invention.
Fig. 9 is a schematic view of a first partial body structure according to the present invention.
FIG. 10 is a schematic view of a second partial body structure according to the present invention.
Fig. 11 is a perspective view of a third embodiment of the present invention.
Fig. 12 is a schematic view of a fifth partially sectional perspective structure of the present invention.
FIG. 13 is a perspective view of the porous support seat of the present invention.
Fig. 14 is a schematic perspective view of a reverse baffle of the present invention.
Fig. 15 is a schematic flow chart of the present invention.
Wherein: 1-box body, 21-box door plate, 22-fixing bolt, 31-exhaust supporting frame, 32-spherical shell, 33-porous supporting seat, 34-supporting cylinder, 4-coal mortar material spreading component, 41-rotating supporting plate, 42-strip plate, 43-rotating supporting shaft, 44-supporting spring, 45-inner spherical guide cylinder, 46-outer spherical guide cylinder, 47-servo motor, 48-hexahedral rod shaft, 5-coal mortar material discharge adjusting component, 51-cam, 52-feed chute frame, 53-inner discharge pipe, 54-outer discharge pipe, 55-blocking plate frame, 61-air guide plate, 62-one-way valve, 63-air inlet frame, 7-coal mortar material shake-off component, 71-convex plate, 72-bulge, 8-pressurizing component, 81-shielding plate, 82-limiting strip, 91-supporting rod, 92-movable block, 93-coil spring and 10-reverse deflector.
Detailed Description
The following further describes the technical solution with reference to specific embodiments, and it should be noted that: the words upper, lower, left, right, and the like used herein to indicate orientation are merely for the location of the illustrated structure in the corresponding figures. The part numbers are themselves numbered herein, for example: first, second, etc. are used solely to distinguish one from another as to objects described herein, and do not have any sequential or technical meaning. The application states that: the connection and coupling, unless otherwise indicated, include both direct and indirect connections.
Example 1
A coal ash carbon fixing device and a using method thereof are disclosed, as shown in figures 1-13, the coal ash carbon fixing device comprises a box body 1, a box door plate 21, fixing bolts 22, an exhaust supporting frame 31, a spherical shell 32, a porous supporting seat 33, a supporting cylinder 34, a coal ash slurry spreading component 4, a coal ash slurry discharging and adjusting component 5, an air guide plate 61, a one-way valve 62 and an air inlet frame 63, wherein the box door plate 21 is rotatably installed on the box body 1 through hinges, the box body 1 is a rectangular body, the box body 1 is used for containing coal ash slurry, the two fixing bolts 22 are rotatably installed on the box body 1 and the box door plate 21 through threads, the two fixing bolts 22 are symmetrically arranged, the fixing bolts 22 are used for fixing the box door plate 21 on the box body 1, a large through hole is arranged at the top of the box body 1, the exhaust supporting frame 31 is fixedly connected to the top of the box body 1 through bolts, the utility model discloses a coal ash slurry layer, including exhaust braced frame 31, spherical shell 32, porous supporting seat 33, supporting cylinder 34, gas guide plate 61, gas guide plate 62, check valve 62, porous supporting seat 33, gas inlet frame 63 and gas guide plate 61, gas inlet frame 63 passes supporting cylinder 34, the cavity is the L shape in gas inlet frame 63, porous supporting seat 33 welds in spherical shell 32 top, supporting cylinder 34 welds in spherical shell 32 top, it divides to spread component 4 to be equipped with the coal ash slurry in the supporting cylinder 34, the coal ash slurry divides to spread component 4 and is used for laying the coal ash slurry material thin, porous supporting seat 33 top is equipped with coal ash slurry material discharge adjustment part 5, gas guide plate 61 welds in porous supporting seat 33 top, gas guide plate 61 communicates has a plurality of check valves 62, check valve 62 passes porous supporting seat 33, gas inlet frame 63 welds in gas guide plate 61 top, gas inlet frame 63 and gas guide plate 61 communicate, gas inlet frame 63 passes supporting cylinder 34, the cavity is the L shape in gas inlet frame 63.
The coal ash slurry spreading component 4 comprises a rotation supporting disk 41, strip-shaped plates 42, a rotation supporting shaft 43, a supporting spring 44, an inner spherical material guiding cylinder 45, an outer spherical material guiding cylinder 46, a servo motor 47 and a six-sided shaft 48, wherein the rotation supporting disk 41 is slidably arranged in the supporting cylinder 34, the rotation supporting disk 41 is circular, two sliding rods are arranged on the top surface of the rotation supporting disk 41, the two strip-shaped plates 42 are slidably arranged on the sliding rods of the rotation supporting disk 41, the two strip-shaped plates 42 are symmetrically arranged, the rotation supporting shaft 43 is fixedly connected to the two strip-shaped plates 42, the rotation supporting shaft 43 is slidably connected with the rotation supporting disk 41, the rotation supporting shaft 43 penetrates through the rotation supporting disk 41, the supporting spring 44 is connected between the two strip-shaped plates 42 and the rotation supporting disk 41, the inner spherical material guiding cylinder 45 is fixedly connected to the rotation supporting shaft 43, the outer spherical material guiding cylinder 46 is arranged on the inner spherical material guiding cylinder 45, the outer spherical material guiding cylinder 46 is arranged in the spherical shell 32, the inner spherical material guiding cylinder 45 and the outer spherical material guiding cylinder 46 are arranged above the six-sided shaft 48, the servo motor shaft 47 is fixedly connected to the shaft 48, and the shaft 48 is fixedly connected to the shaft 48.
The coal ash slurry discharge adjusting part 5 comprises a cam 51, a feed chute frame 52, an inner discharge pipe 53, an outer discharge pipe 54 and a blocking plate frame 55, wherein the cam 51 is installed on the upper part of the rotary supporting shaft 43, the inner discharge pipe 53 and the outer discharge pipe 54 are both installed on the porous supporting seat 33, the inner discharge pipe 53 and the outer discharge pipe 54 are at the same height, the inner discharge pipe 53 and the outer discharge pipe 54 both penetrate through the porous supporting seat 33, the inner discharge pipe 53 is located above the inner spherical guide cylinder 45, the outer discharge pipe 54 is located above the outer spherical guide cylinder 46, the feed chute frame 52 is installed at the top ends of the inner discharge pipe 53 and the outer discharge pipe 54, the feed chute frame 52 is communicated with the inner discharge pipe 53 and the outer discharge pipe 54, part of the feed chute frame 52 penetrates through the supporting cylinder 34, the blocking plate frame 55 is slidably connected in the feed chute frame 52, the blocking plate frame 55 is located above the feed pipe 54, the blocking plate frame 55 is located below the cam 51, and the blocking plate frame 55 is slidably connected with the cam 51.
When carbon sequestration is performed, an operator firstly connects the air inlet frame 63 with an air supply pipeline, the feed chute frame 52 with a coal slurry supply pipeline, the exhaust support frame 31 with an exhaust gas collection pipeline, then the operator starts the servo motor 47 to rotate forward, the output shaft of the servo motor 47 drives the six-side shaft 48 to rotate forward, the six-side shaft 48 drives the rotating support shaft 43, the inner spherical guide cylinder 45 and the outer spherical guide cylinder 46 to rotate forward, the coal slurry supply pipeline conveys the coal slurry into the feed chute frame 52, the coal slurry flows downwards along the inner discharge pipe 53, the coal slurry falls onto the surface of the inner spherical guide cylinder 45, and due to the rotation of the inner spherical guide cylinder 45, the coal slurry falls onto different positions of the inner spherical guide cylinder 45, and the coal slurry flows downwards slowly along the surface of the inner spherical guide cylinder 45 under the action of gravity, in the process that the coal ash slurry flows downwards along the surface of the inner spherical guide cylinder 45, the thickness of the coal ash slurry covering the inner spherical guide cylinder 45 is gradually reduced, the waste gas containing a large amount of carbon dioxide flows into the air guide plate 61 through the air inlet frame 63, the waste gas containing a large amount of carbon dioxide is discharged into the spherical shell 32 through the one-way valve 62 by the air guide plate 61, the waste gas containing a large amount of carbon dioxide is contacted with the shallow coal ash slurry, and the carbon dioxide in the waste gas can be acted with calcium oxide, magnesium oxide and water in the coal ash slurry to produce calcium carbonate and basic magnesium carbonate, so that the purpose of fixing the carbon dioxide in the coal ash slurry is realized, the carbon dioxide can conveniently enter the coal ash slurry by allowing the coal ash slurry to flow in a shallow state, substances such as calcium oxide, magnesium oxide and the like in the coal ash slurry can fully react with the carbon dioxide, the utilization rate of the coal ash slurry is improved, the purpose of comprehensively treating carbon dioxide in the waste gas is achieved, the discharge amount of carbon dioxide gas is reduced, finally the waste gas flows into a waste gas collecting pipeline through the exhaust square holes of the exhaust supporting frame 31, and the coal ash slurry flowing for a period of time falls to the bottom in the box body 1.
After the cam 51 rotates clockwise for a certain angle, the cam 51 pushes the blocking plate frame 55 to move towards the direction close to the rotating support shaft 43, the blocking plate frame 55 moves above the inner discharging pipe 53, then the coal ash slurry is discharged from the feeding chute frame 52 through the outer discharging pipe 54, the coal ash slurry falls onto the outer spherical guide cylinder 46, and the coal ash slurry also falls onto different positions of the outer spherical guide cylinder 46 because the outer spherical guide cylinder 46 also rotates, so that the thickness of the coal ash slurry is reduced, and carbon dioxide can fully react with substances in the coal ash slurry. After the cam 51 continues rotating clockwise for a certain angle, the cam 51 pushes the blocking plate frame 55 to move and reset in the direction away from the rotating support shaft 43, the blocking plate frame 55 moves to the position above the outer discharge pipe 54 again, then the coal ash slurry is discharged from the inner discharge pipe 53 again and falls onto the surface of the inner spherical guide cylinder 45, at this time, all the coal ash slurry falling from the surface of the inner spherical guide cylinder 45 falls into the box body 1, and the discharge position of the coal ash slurry is changed intermittently, so that the coal ash slurry can be ensured to be fully spread and thin, the coal ash slurry discharged subsequently can not cover the previous coal ash slurry, the coal ash slurry has sufficient time to contact with carbon dioxide, and the carbon dioxide gas is fully fixed in the coal ash slurry.
When the coal ash slurry in the box body 1 needs to be cleaned, firstly, an operator manually closes the servo motor 47, then the operator unscrews the two fixing bolts 22 on the box body 1 and the box door panel 21, opens the box door panel 21, and cleans the coal ash slurry in the box body 1, and after the coal ash slurry in the box body 1 is cleaned, the operator resets the box door panel 21, and finally screws the two fixing bolts 22 into the box body 1 and the box door panel 21 again.
Example 2
On the basis of embodiment 1, as shown in fig. 7 and 8, the coal mortar shake-off component 7 is further included, the coal mortar shake-off component 7 is arranged inside the support cylinder 34, the coal mortar shake-off component 7 includes a boss plate 71 and a boss 72, the two boss plates 71 are welded at the upper portion inside the support cylinder 34, the two boss plates 71 are symmetrically arranged, the tops of the two strip plates 42 are respectively provided with the boss 72, the two bosses 72 are symmetrically arranged, the boss 72 is in a hemispherical shape, the boss 72 is located above the rotation support plate 41, the boss 72 is located below the boss plate 71, and the boss plate 71 is used for pushing the boss 72 to move downward.
The rotating support shaft 43 rotates to drive the strip-shaped plate 42 and the bulge 72 to rotate along with the rotating support shaft, the bulge 72 rotates to be in contact with the convex plate 71, the convex plate 71 pushes the bulge 72, the strip-shaped plate 42, the rotating support shaft 43, the inner spherical material guide cylinder 45 and the outer spherical material guide cylinder 46 to move downwards, and the spiral spring 93 is compressed; the protrusion 72 rotates to be separated from the bump plate 71, the coil spring 93 pushes the strip-shaped plate 42, the rotating support shaft 43, the inner spherical material guide cylinder 45 and the outer spherical material guide cylinder 46 to move upwards rapidly for resetting, the coal ash slurry can be thrown in the process that the inner spherical material guide cylinder 45 and the outer spherical material guide cylinder 46 move upwards rapidly for resetting, so that the coal ash slurry attached to each other is separated, the surfaces of the coal ash slurry in the inner spherical material guide cylinder 45 and the outer spherical material guide cylinder 46 become thinner, carbon dioxide can fully react with the substances of the coal ash slurry, and meanwhile, the distance of the coal ash slurry thrown is not far, so that the contact time between the coal ash slurry and the carbon dioxide cannot be greatly reduced, and the substances such as calcium oxide, magnesium oxide and the like in the coal ash slurry can have enough time to react with the carbon dioxide.
Example 3
On the basis of embodiment 2, as shown in fig. 6, the exhaust gas purification device further includes a pressing member 8, the pressing member 8 is disposed below the rotating support shaft 43, the pressing member 8 includes a shielding plate 81 and a limiting bar 82, the shielding plate 81 is rotatably mounted below the rotating support shaft 43, the shielding plate 81 is located below the convex plate 71, the shielding plate 81 and the exhaust square hole of the exhaust support frame 31 are at the same horizontal height, the shielding plate 81 blocks the exhaust square hole of the exhaust support frame 31, the main body of the shielding plate 81 is arc-shaped, the shielding plate 81 is attached to the inner wall of the exhaust support frame 31, the two limiting bars 82 are mounted on the exhaust support frame 31, the shielding plate 81 is slidably connected with the two limiting bars 82, and the limiting bars 82 are used for limiting the shielding plate 81.
The rotary supporting shaft 43 keeps normal height, the shielding plate 81 blocks the exhaust square hole of the exhaust supporting frame 31, waste gas in the spherical shell 32 cannot be exhausted, the gas pressure in the spherical shell 32 is continuously increased, the gas with higher pressure is convenient for carbon dioxide to permeate into the coal ash slurry, the utilization rate of the coal ash slurry is further improved, and the carbon dioxide can more fully react with substances such as calcium oxide, magnesium oxide and the like in the coal ash slurry to achieve the purpose of fixing the carbon dioxide in the coal ash slurry. The shielding plate 81 is driven to move downwards together in the downward movement process of the rotating support shaft 43, the shielding plate 81 does not block the exhaust square hole of the exhaust support frame 31 any more, and at the moment, the waste gas in the spherical shell 32 is discharged through the exhaust support frame 31, so that the air pressure in the spherical shell 32 can be timely reduced to a normal range.
Example 4
On the basis of embodiment 3, as shown in fig. 12, the exhaust gas purification device further includes a support rod 91, a movable stopper 92 and a coil spring 93, wherein the support rod 91 is welded to the top of the air intake frame 63, the movable stopper 92 is slidably connected to the support rod 91, the movable stopper 92 is slidably connected to the air intake frame 63, the movable stopper 92 is used for controlling the flow of exhaust gas in the air intake frame 63, the movable stopper 92 is located above the check valve 62, the coil spring 93 is connected between the movable stopper 92 and the air intake frame 63, the cam 51 is in contact with the movable stopper 92, and the cam 51 is located above the movable stopper 92.
The rotating support shaft 43 moves downwards to drive the cam 51 to move downwards, the cam 51 pushes the movable stopper 92 to move downwards along with the cam, the spiral spring 93 is compressed, the movable stopper 92 blocks the air inlet frame 63 along with the cam, the air guide plate 61 does not discharge waste gas with carbon dioxide through the one-way valve 62, and the waste gas with the carbon dioxide treated in the spherical shell 32 is discharged through the exhaust support frame 31; the rotating support shaft 43 moves upwards to drive the cam 51 to move upwards, the coil spring 93 pushes the movable stopper 92 to move upwards to reset, the exhaust gas with carbon dioxide is discharged into the air guide plate 61 through the air inlet frame 63 again, finally the air guide plate 61 discharges the exhaust gas with carbon dioxide into the spherical shell 32 through the one-way valve 62, and at the moment, the exhaust gas in the spherical shell 32 cannot be discharged through the exhaust support frame 31.
Example 5
On the basis of the embodiment 4, as shown in fig. 4 and 14, the reverse flow guiding plate 10 is further included, the reverse flow guiding plate 10 is welded at the bottom end of the rotating supporting shaft 43, the reverse flow guiding plate 10 is provided with a flow groove, and the reverse flow guiding plate 10 is positioned above the tank 1.
The rotating support shaft 43 rotates to drive the reverse guide plate 10 to rotate, coal ash slurry dropped from the inner spherical guide cylinder 45 and the outer spherical guide cylinder 46 passes through the circulation groove of the reverse guide plate 10 and then falls into the bottom of the box body 1, and the reverse guide plate 10 is used for pushing waste gas flowing downwards to flow upwards again, so that the retention time of the waste gas near the inner spherical guide cylinder 45 and the outer spherical guide cylinder 46 can be prolonged, and the substances in the coal ash slurry can be conveniently and fully reacted with carbon dioxide in the waste gas.
The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.
Claims (8)
1. The coal ash carbon fixing device is characterized by comprising a box body (1), a box door plate (21), fixing bolts (22), an exhaust supporting frame (31), a spherical shell (32), porous supporting seats (33), a supporting cylinder (34), a coal ash slurry spreading component (4), a coal ash slurry discharge adjusting component (5), an air guide plate (61), a one-way valve (62) and an air inlet frame (63), wherein the box door plate (21) is installed on the box body (1) in a hinge rotating manner, the fixing bolts (22) are arranged on the box body (1) and the box door plate (21) in a thread rotating manner, the fixing bolts (22) are symmetrically arranged, the top of the box body (1) is provided with large through holes, the exhaust supporting frame (31) is arranged at the top of the box body (1), the exhaust supporting frame (31) is provided with exhaust square holes, the spherical shell (32) is fixedly connected to the top of the exhaust supporting frame (31), the porous supporting seats (33) are arranged at the top of the spherical shell (32), the supporting cylinder (34) is installed at the top of the spherical shell (32), the coal ash slurry spreading component (4) is arranged in the supporting cylinder (34), and the porous supporting seats (33) are fixedly connected to the top of the porous supporting seats (61), the air guide plate (61) is communicated with a plurality of one-way valves (62), the one-way valves (62) penetrate through the porous supporting seat (33), the air inlet frame (63) is arranged at the top of the air guide plate (61), the air inlet frame (63) is communicated with the air guide plate (61), and the air inlet frame (63) penetrates through the supporting cylinder (34).
2. The coal ash carbon sequestration device according to claim 1, characterized in that the coal ash slurry spreading component (4) comprises a rotary supporting disk (41), a strip-shaped plate (42), a rotary supporting shaft (43), a supporting spring (44), an inner spherical guide cylinder (45), an outer spherical guide cylinder (46), a servo motor (47) and a six-side rod shaft (48), the rotating support plate (41) is arranged in the support cylinder (34) in a sliding way, the two strip-shaped plates (42) are arranged on the rotating support plate (41) in a sliding way, the two strip-shaped plates (42) are symmetrically arranged, the rotary supporting shaft (43) is fixedly connected on the two strip-shaped plates (42), the rotary supporting shaft (43) is connected with the rotary supporting disk (41) in a sliding way, a supporting spring (44) is connected between the two strip-shaped plates (42) and the rotary supporting disk (41), the inner spherical material guide cylinder (45) is fixedly connected on the rotary supporting shaft (43), the outer spherical material guide cylinder (46) is arranged on the inner spherical material guide cylinder (45), the outer spherical material guide cylinder (46) is positioned in the spherical shell (32), the servo motor (47) is arranged at the top in the supporting cylinder (34), the six-face rod shaft (48) is fixedly connected with an output shaft of the servo motor (47), the six-side rod shaft (48) is connected with the upper part of the rotary support shaft (43) in a sliding way.
3. The coal ash carbon sequestration device according to claim 2, wherein the coal ash slurry discharge adjustment component (5) comprises a cam (51), a feed chute frame (52), an inner discharge pipe (53), an outer discharge pipe (54) and a blocking plate frame (55), the cam (51) is mounted on the upper portion of the rotating support shaft (43), the inner discharge pipe (53) and the outer discharge pipe (54) are mounted on the porous support base (33), the inner discharge pipe (53) and the outer discharge pipe (54) both pass through the porous support base (33), the inner discharge pipe (53) is located above the inner spherical guide cylinder (45), the outer discharge pipe (54) is located above the outer spherical guide cylinder (46), the feed chute frame (52) is mounted on the top ends of the inner discharge pipe (53) and the outer discharge pipe (54), the feed chute frame (52) is in sliding communication with the inner discharge pipe (53) and the outer discharge pipe (54), the feed chute frame (52) partially passes through the support cylinder (34), the blocking plate frame (55) is connected in a sliding manner with the inner discharge pipe (52), and the cam chute frame (55) is connected with the blocking plate frame (51).
4. The coal ash carbon sequestration device according to claim 3, further comprising a coal ash slurry shaking-off component (7), wherein the coal ash slurry shaking-off component (7) is arranged inside the supporting cylinder (34), the coal ash slurry shaking-off component (7) comprises convex plates (71) and protrusions (72), two convex plates (71) are arranged on the inner upper portion of the supporting cylinder (34), the two convex plates (71) are symmetrically arranged, the protrusions (72) are arranged on the tops of the two strip plates (42), and the two protrusions (72) are symmetrically arranged.
5. The coal ash carbon sequestration device according to claim 4, further comprising a pressurizing member (8), wherein the pressurizing member (8) is disposed at the lower portion of the rotating support shaft (43), the pressurizing member (8) comprises a shielding plate (81) and a limiting strip (82), the shielding plate (81) is rotatably mounted at the lower portion of the rotating support shaft (43), the two limiting strips (82) are mounted on the exhaust support frame (31), and the shielding plate (81) is slidably connected with the two limiting strips (82).
6. The coal ash carbon sequestration device according to claim 5, further comprising a support rod (91), a movable stopper (92) and a coil spring (93), wherein the support rod (91) is fixedly connected to the top of the air intake frame (63), the movable stopper (92) is slidably connected to the support rod (91), the movable stopper (92) is slidably connected to the air intake frame (63), the coil spring (93) is connected between the movable stopper (92) and the air intake frame (63), and the cam (51) is in contact with the movable stopper (92).
7. The coal ash carbon sequestration device according to claim 6, further comprising a reverse flow deflector (10), wherein the reverse flow deflector (10) is mounted at the bottom end of the rotating support shaft (43), and the reverse flow deflector (10) is provided with a flow groove.
8. The use method of the coal ash carbon sequestration device according to any one of claims 1-7, characterized by: the method comprises the following steps:
the method comprises the following steps: firstly, connecting an air inlet frame (63) with an air supply pipeline, connecting a feed chute frame (52) with a coal ash slurry supply pipeline, and connecting an exhaust support frame (31) with an exhaust gas collection pipeline;
step two: an operator starts a servo motor (47), the inner spherical guide cylinder (45) and the outer spherical guide cylinder (46) rotate along with the servo motor, the coal ash slurry falls onto the surface of the inner spherical guide cylinder (45) or the surface of the outer spherical guide cylinder (46), the coal ash slurry becomes thin in the downward flowing process, carbon dioxide can fully react with substances in the coal ash slurry, the gas pressure in the spherical shell (32) is gradually increased in the reaction process, and the carbon dioxide can permeate into the coal ash slurry;
step three: the inner spherical material guide cylinder (45) or the outer spherical material guide cylinder (46) intermittently throws the coal ash slurry to separate the coal ash slurry adhered to each other, and the surfaces of the inner spherical material guide cylinder (45) and the outer spherical material guide cylinder (46) are thinner, so that carbon dioxide can fully react with the substances of the coal ash slurry;
step four: after the waste gas with carbon dioxide is treated, an operator cleans the box body (1) in time.
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| CN202211581271.1A CN115920611B (en) | 2022-12-09 | 2022-12-09 | Coal ash carbon fixing device and use method thereof |
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| CN202211581271.1A CN115920611B (en) | 2022-12-09 | 2022-12-09 | Coal ash carbon fixing device and use method thereof |
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| CN115920611B (en) | 2023-06-23 |
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