Lime slurrying tank

Abstract

The utility model discloses a lime slurrying tank which comprises a tank body, the stirring part is rotationally arranged in the tank body; the reaction basket is arranged in the tank body, and a plurality of sieve holes are further formed in the reaction basket; the dispersing part comprises a second stirring blade arranged above the reaction basket; the transmission part is arranged on the tank body, one end of the transmission part is connected with the reaction basket, and the other end is connected with the dispersion part; according to the utility model, through the matching of the dispersing component and the transmission component, when the reaction basket rotates, the transmission component drives the second stirring blade to rotate relative to the rotating direction of the reaction basket, so that the second stirring blade stirs lime and fluid media in the reaction basket, and the reaction efficiency of the lime and the fluid media is promoted; when lime agglomerates are generated in the reaction basket, the second stirring blades make contact with the lime agglomerates in the rotating process and smash the lime agglomerates, and the generation amount of the lime agglomerates is reduced, so that more lime can effectively react with a fluid medium, and the desulfurization efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lime slurrying, in particular to a lime slurrying tank. Background Art

[0002] During the non-ferrous metal smelting process, furnaces usually produce flue gas containing sulfur dioxide. In order to protect human health and avoid environmental pollution, lime slurry absorption method is usually used to treat low-concentration sulfur dioxide gas. During the treatment process, lime is dissolved in a fluid medium containing sulfur dioxide gas. The lime first contacts the water solvent in the fluid medium and dissolves into slaked lime. The slaked lime electrolyzes the required ions such as hydroxide ions and calcium ions, which react with sulfur dioxide in the fluid medium to form calcium hydroxide particles, thereby neutralizing the acid and base. The hemihydrate calcium sulfite solid can be generated through subsequent related reactions and then processed into industrial desulfurization gypsum for reuse after the next step to achieve the desulfurization effect of sulfur dioxide.

[0003] When quicklime reacts with sulfur dioxide, it is typically slurried to increase its absorption rate. However, due to the small particle size of the lime and the rapid hydration reaction, which releases a large amount of heat during the reaction, some of the lime in the slurrying process agglomerates at high temperatures, forming lumps and forming lime agglomerates. These lime agglomerates are difficult to effectively contact with the aqueous solvent, making it difficult for them to ionize into the desired ions to react with sulfur dioxide, thereby affecting desulfurization efficiency. Therefore, this application specifically proposes a lime slurrying tank that can reduce the formation of lime agglomerates and improve desulfurization efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide a lime slurrying tank which can reduce the generation of lime agglomerates and improve the desulfurization efficiency.

[0005] To achieve the above-mentioned purpose, the present invention provides a lime slurry tank, comprising:

[0006] A tank body storing a fluid medium containing sulfur dioxide;

[0007] A stirring component is rotatably disposed in the tank body and is used to stir the fluid medium;

[0008] a reaction basket disposed in the tank body, the reaction basket being connected to one end of the stirring member and rotating together with the stirring member, the reaction basket being used to carry lime powder and stir the fluid medium, and the reaction basket being further provided with a plurality of sieve holes, the sieve holes being used to allow the fluid medium to flow between the reaction basket and the tank body and to prevent lime agglomerates from passing through the sieve holes and entering the tank body;

[0009] a dispersing component, comprising a second stirring blade disposed above the reaction basket, wherein a stirring end of the second stirring blade extends into the reaction basket, the second stirring blade being used to stir the lime powder and the fluid medium in the reaction basket and break up lime agglomerates generated in the reaction basket;

[0010] A transmission component is provided on the trough body, one end of the transmission component is connected to the reaction basket, and the other end is connected to the dispersion component. When the reaction basket rotates, the transmission component is used to drive the dispersion component to rotate and make the second stirring blade rotate relative to the rotation direction of the reaction basket.

[0011] Furthermore, an outer gear ring is provided on the outer wall of the reaction basket, and the outer gear ring is arranged above the sieve hole;

[0012] The transmission component includes a gear rotatably arranged on the trough body, one side of the gear is engaged with the outer gear ring, and the other side is engaged with one end of the dispersion component. The gear is used to drive the dispersion component to rotate relative to the rotation direction of the reaction basket.

[0013] Furthermore, the dispersing component also includes a rotating ring rotatably sleeved on the trough body, and the rotating ring is concentrically arranged with the trough body. An inner ring gear meshing with the gear is provided on the inner wall of the rotating ring. When the gear rotates, the gear drives the rotating ring to rotate relative to the rotation direction of the reaction basket through the inner ring gear. The second stirring blade is arranged at the center of the rotating ring. A connecting rod is further provided between the second stirring blade and the rotating ring. The connecting rod is used to drive the second stirring blade to rotate with the rotating ring.

[0014] Furthermore, the stirring component includes a transmission rod vertically arranged inside the trough body, the transmission rod is provided with a first stirring blade for stirring the fluid medium, the first stirring blade is immersed in the fluid medium, the reaction basket is arranged at the top of the transmission rod, and the second stirring blade is arranged concentrically with the transmission rod. When the transmission rod rotates, the transmission rod drives the first stirring blade and the reaction basket to rotate together. It also includes a power unit arranged at the bottom of the trough body, the moving end of the power unit extends into the trough body and is connected to the transmission rod, and the connection between the power unit and the trough body is a dynamic sealing connection, and the power unit is used to drive the transmission rod to rotate.

[0015] Furthermore, a discrete component is provided in the trough body, and the discrete component includes a first discrete plate arranged on the outer wall of the reaction basket, the first discrete plate is provided with a plurality of discrete blocks, and also includes a second discrete plate arranged on the inner wall of the trough body, the second discrete plate is provided with a plurality of discrete grooves corresponding to each of the discrete blocks. When the reaction basket rotates, the reaction basket drives the first discrete plate to rotate. When the first discrete plate passes through the second discrete plate, each of the discrete blocks passes through the corresponding discrete groove, and a gap is left between each of the discrete blocks and the corresponding discrete groove for the passage of lime particles and fluid medium.

[0016] Furthermore, a plurality of guide grooves are spirally distributed on the inner wall of the tank body, and the guide grooves are used to guide the fluid medium at the bottom of the tank body to flow upward.

[0017] The beneficial effects of the present invention are as follows:

[0018] The utility model cooperates with the dispersion component and the transmission component. When the reaction basket rotates, the transmission component drives the second stirring blade to rotate relative to the rotation direction of the reaction basket, so that the second stirring blade stirs the lime and the fluid medium in the reaction basket, thereby promoting the reaction efficiency of the lime and the fluid medium. When lime agglomerates are generated in the reaction basket, the second stirring blade contacts the lime agglomerates during the rotation process and breaks them up, thereby reducing the amount of lime agglomerates generated, thereby allowing more lime to effectively react with the fluid medium and improving the desulfurization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional view of the lime slurry tank of the present invention;

[0020] Figure 2 It is a cross-sectional view of the lime slurry tank of the present invention;

[0021] Figure 3 yes Figure 2 View from point A in the middle.

[0022] Description of reference numerals:

[0023] 1. Trough body; 11. Guide trough; 2. Stirring component; 21. Transmission rod; 22. First stirring blade; 23. Power unit; 3. Reaction basket; 31. Sieve hole; 32. Outer gear ring; 4. Dispersing component; 41. Second stirring blade; 42. Rotating ring; 43. Inner gear ring; 44. Connecting rod; 5. Transmission component; 51. Gear; 6. Discrete component; 61. First discrete plate; 611. Discrete block; 62. Second discrete plate; 621. Discrete trough. Specific implementation plan

[0024] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. In the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other.

[0025] See also Figure 1-Figure 3 .

[0026] The utility model discloses a lime slurry tank, comprising:

[0027] Tank 1 stores a fluid medium containing sulfur dioxide;

[0028] A stirring component 2 is rotatably disposed in the tank body 1 and is used to stir the fluid medium;

[0029] A reaction basket 3 is disposed in the tank body 1 and is concentrically arranged with the tank body 1. The reaction basket 3 is connected to one end of the stirring member 2 and rotates together with the stirring member 2. The reaction basket 3 is used to carry lime powder and stir the fluid medium. The reaction basket 3 is also provided with a plurality of sieve holes 31. The sieve holes 31 are used to allow the fluid medium to flow between the reaction basket 3 and the tank body 1 and prevent lime agglomerates from passing through the sieve holes 31 and entering the tank body 1.

[0030] The dispersion component 4 includes a second stirring blade 41 disposed above the reaction basket 3, and the stirring end of the second stirring blade 41 extends into the reaction basket 3. The second stirring blade 41 is used to stir the lime powder and the fluid medium in the reaction basket 3 and break up the lime agglomerates generated in the reaction basket 3;

[0031] The transmission component 5 is provided on the tank body 1. One end of the transmission component 5 is connected to the reaction basket 3, and the other end is connected to the dispersion component 4. When the reaction basket 3 rotates, the transmission component 5 is used to drive the dispersion component 4 to rotate and make the second stirring blade 41 rotate relative to the rotation direction of the reaction basket 3.

[0032] In a specific implementation, when the fluid medium is desulfurized, the fluid medium in the tank body 1 is stirred by the stirring component 2 and the reaction basket 3 is driven to rotate together, and then lime powder is poured into the reaction basket 3. The lime powder contacts and reacts with the fluid medium in the reaction basket 3 to be converted into slaked lime. The slaked lime contacts and reacts with the sulfur dioxide in the fluid medium to generate calcium hydroxide particles. During the reaction process, the reaction basket 3 rotates continuously, and the lime particles and calcium hydroxide particles in the fluid medium that are smaller than the aperture of the sieve hole 31 are thrown out of the reaction basket 3 from each sieve hole 31 due to the centrifugal effect generated by the rotation of the reaction basket 3, and the reaction basket 3 is Rotation can also promote the contact between slaked lime and sulfur dioxide. When the reaction basket 3 rotates, the transmission component 5 drives the dispersion component 4 to rotate and causes the second stirring blade 41 to rotate relatively in the reaction basket 3 along the rotation direction of the reaction basket 3, thereby forming convection in the fluid medium in the reaction basket 3, further promoting the contact between slaked lime and sulfur dioxide. When lime agglomerates are generated in the reaction basket 3, since the density of the lime agglomerates is lower than that of the fluid medium, the lime agglomerates float on the fluid medium. During the rotation of the second stirring blade 41, the lime agglomerates come into contact with the lime agglomerates and break them up, thereby allowing the broken up lime to react with the fluid medium again.

[0033] In the present invention, through the cooperation between the dispersion component 4 and the transmission component 5, when the reaction basket 3 rotates, the transmission component 5 drives the second stirring blade 41 to rotate relative to the rotation direction of the reaction basket 3, so that the second stirring blade 41 stirs the lime and the fluid medium in the reaction basket 3, thereby promoting the reaction efficiency of the lime and the fluid medium. When lime agglomerates are generated in the reaction basket 3, the second stirring blade 41 contacts the lime agglomerates during rotation and breaks them up, thereby reducing the amount of lime agglomerates generated, thereby allowing more lime to effectively react with the fluid medium and improving the desulfurization efficiency.

[0034] In one embodiment, an outer gear ring 32 is provided on the outer wall of the reaction basket 3 , and the outer gear ring 32 is disposed above the sieve hole 31 ;

[0035] The transmission component 5 includes a gear 51 rotatably mounted on the tank body 1. One side of the gear 51 meshes with the outer gear ring 32, and the other side meshes with one end of the dispersion component 4. When the reaction basket 3 rotates, the gear 51 meshes with the reaction basket 3 and drives the dispersion component 4 to rotate relative to the rotation direction of the reaction basket 3.

[0036] With this design, when the reaction basket 3 rotates, the reaction basket 3 drives the outer ring gear 32 to rotate together. During the rotation process, the outer ring gear 32 engages with the gear 51, so that the gear 51 drives the dispersion component 4 to rotate relative to the rotation direction of the reaction basket 3. In turn, the second stirring blade 41 rotates within the reaction basket 3, stirring the lime powder and fluid medium in the reaction basket 3 to promote the reaction.

[0037] It should be noted that the mesh holes 31 of the reaction basket 3 are immersed in the fluid medium, and the outer gear ring 32 is arranged above the fluid medium to prevent the fluid medium from accidentally splashing onto the meshing portion of the outer gear ring 32 and the gear 51 when being stirred, thereby interfering with its operation.

[0038] It should be noted that there may be multiple gears 51 , and each gear 51 is engaged with the outer gear ring 32 and the corresponding end of the transmission component 5 , so that the transmission component 5 is more stable when rotating.

[0039] In one embodiment, the dispersing component 4 further includes a rotating ring 42 rotatably sleeved on the trough body 1, and the rotating ring 42 is concentrically arranged with the trough body 1. An inner ring gear 43 is provided on the inner wall of the rotating ring 42, which engages with the gear 51. When the gear 51 rotates, the gear 51 drives the rotating ring 42 to rotate relative to the rotation direction of the reaction basket 3 through the inner ring gear 43. The second stirring blade 41 is arranged at the center of the rotating ring 42. A connecting rod 44 is further provided between the second stirring blade 41 and the rotating ring 42. When the rotating ring 42 rotates, the rotating ring 42 drives the second stirring blade 41 to rotate together through the connecting rod 44.

[0040] With this design, when the reaction basket 3 rotates, the outer ring gear 32 meshes with the gear 51, causing the gear 51 and the reaction basket 3 to rotate relative to each other. At this time, the gear 51 meshes with the inner ring gear 43 and drives the rotating ring 42 to rotate in the same direction as the gear 51, thereby driving the second stirring blade 41 to rotate relative to the rotation direction of the reaction basket 3. When the second stirring blade 41 stirs the lime powder and the fluid medium in the reaction basket 3, convection is generated in the fluid medium, further improving the contact efficiency between the lime powder and the fluid medium, thereby further improving its reaction efficiency.

[0041] In one embodiment, the stirring component 2 includes a transmission rod 21 vertically arranged inside the tank body 1, and the transmission rod 21 is provided with a first stirring blade 22 for stirring the fluid medium. The first stirring blade 22 is immersed in the fluid medium. The above-mentioned reaction basket 3 is arranged at the top of the transmission rod 21, and the above-mentioned second stirring blade 41 is arranged concentrically with the transmission rod 21. When the transmission rod 21 rotates, the transmission rod 21 drives the first stirring blade 22 and the reaction basket 3 to rotate together. It also includes a power unit 23 arranged at the bottom of the tank body 1, and the moving end of the power unit 23 extends into the tank body 1 and is connected to the transmission rod 21. The connection between the power unit 23 and the tank body 1 is a dynamic seal connection. The power unit 23 is used to drive the transmission rod 21 to rotate.

[0042] With this design, when desulfurization is performed on a fluid medium, the power unit 23 drives the first stirring blade 22 and the reaction basket 3 to rotate together in the fluid medium through the transmission rod 21, so that the first stirring blade 22 and the reaction basket 3 stir the fluid medium, promoting contact and reaction between the lime powder and the fluid medium. The transmission rod 21 drives the reaction basket 3 to rotate and drives the second stirring blade 41 to rotate through the gear 51, without the need for an additional power source to drive the dispersion component 4 to operate.

[0043] Preferably, the power unit 23 can adopt a motor in the prior art.

[0044] In one embodiment, a discrete component 6 is provided in the trough body 1. The discrete component 6 includes a first discrete plate 61 provided on the outer wall of the reaction basket 3, and a plurality of discrete blocks 611 are provided on the first discrete plate 61. The discrete component 6 also includes a second discrete plate 62 provided on the inner wall of the trough body 1, and a plurality of discrete grooves 621 corresponding to the discrete blocks 611 are provided on the second discrete plate 62. When the reaction basket 3 rotates, the reaction basket 3 drives the first discrete plate 61 to rotate. When the first discrete plate 61 passes through the second discrete plate 62, each discrete block 611 passes through the corresponding discrete groove 621, and a gap is left between each discrete block 611 and the corresponding discrete groove 621 for the lime particles and the fluid medium to pass through.

[0045] With this design, when the lime powder outside the reaction basket 3 reacts with the fluid medium to produce lime agglomerates, the lime agglomerates will float between the reaction basket 3 and the tank body 1. When the reaction basket 3 rotates, it drives the first discrete plate 61 to rotate together. During the rotation, the first discrete plate 61 contacts the lime agglomerates and drives the lime agglomerates to move together until the first discrete plate 61 passes the second discrete plate 62. At this time, the lime agglomerates are squeezed between the first discrete plate 61 and the second discrete plate 62 and broken up. The broken up lime agglomerates fall into the fluid medium again through the gap between the first discrete plate 61 and the second discrete plate 62 to react with it.

[0046] It should be noted that a plurality of first discrete plates 61 may be provided on the outer wall of the reaction basket 3 , and a second discrete plate 62 corresponding to each first discrete plate 61 may be provided on the inner wall of the tank body 1 , thereby improving the efficiency of breaking up lime agglomerates.

[0047] In one embodiment, a plurality of guide grooves 11 are spirally distributed on the inner wall of the tank body 1 . When the first stirring blade 22 rotates, the guide grooves 11 are used to guide the fluid medium at the bottom of the tank body 1 to flow upward.

[0048] In this design, since the lime powder mainly reacts with the fluid medium above, the sulfur dioxide concentration in the upper fluid medium is lower than that in the lower fluid medium. When the first stirring blade 22 stirs the fluid medium, the fluid medium below flows upward along the spiral direction of each guide groove 11, thereby mixing with the fluid medium above and allowing the sulfur dioxide in the lower fluid medium to react with the lime powder, thereby accelerating the reaction efficiency.

[0049] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention. In addition, "multiple", "multiple groups", and "several" refer to more than two.

Claims

1. A lime slurry tank, characterized in that: include: A tank body (1) stores a fluid medium; A stirring component (2) is rotatably disposed in the tank body (1) and is used to stir the fluid medium; A reaction basket (3) is arranged in the tank body (1), the reaction basket (3) is connected to one end of the stirring component (2), the reaction basket (3) rotates together with the stirring component (2), the reaction basket (3) is used to carry lime powder and stir the fluid medium, and the reaction basket (3) is also provided with a plurality of sieve holes (31), the sieve holes (31) are used to allow the fluid medium to flow between the reaction basket (3) and the tank body (1), and to prevent lime agglomerates from passing through the sieve holes (31) and entering the tank body (1); a dispersing component (4), comprising a second stirring blade (41) arranged above the reaction basket (3), wherein the stirring end of the second stirring blade (41) extends into the reaction basket (3), and the second stirring blade (41) is used to stir the lime powder and the fluid medium in the reaction basket (3) and to break up lime aggregates generated in the reaction basket (3); A transmission component (5) is arranged on the tank body (1), one end of the transmission component (5) is connected to the reaction basket (3), and the other end is connected to the dispersion component (4), and the transmission component (5) is used to drive the dispersion component (4) to rotate.

2. The lime slurry tank according to claim 1, characterized in that: An outer gear ring (32) is provided on the outer wall of the reaction basket (3), and the outer gear ring (32) is arranged above the sieve hole (31); The transmission component (5) includes a gear (51) rotatably arranged on the tank body (1); one side of the gear (51) is meshed with the outer gear ring (32), and the other side is meshed with one end of the dispersion component (4); the gear (51) is used to drive the dispersion component (4) to rotate relative to the rotation direction of the reaction basket (3).

3. The lime slurry tank according to claim 2, characterized in that: The dispersing component (4) further comprises a rotating ring (42) rotatably sleeved on the trough body (1), and the rotating ring (42) is concentrically arranged with the trough body (1). An inner ring gear (43) meshing with the gear (51) is provided on the inner wall of the rotating ring (42). When the gear (51) rotates, the gear (51) drives the rotating ring (42) to rotate relative to the rotation direction of the reaction basket (3) through the inner ring gear (43). The second stirring blade (41) is arranged at the center of the rotating ring (42). A connecting rod (44) is further provided between the second stirring blade (41) and the rotating ring (42). The connecting rod (44) is used to drive the second stirring blade (41) to rotate together with the rotating ring (42).

4. The lime slurry tank according to claim 1, characterized in that: The stirring component (2) includes a transmission rod (21) vertically arranged inside the tank body (1), and a first stirring blade (22) for stirring the fluid medium is provided on the transmission rod (21), and the first stirring blade (22) is immersed in the fluid medium. The reaction basket (3) is arranged at the top end of the transmission rod (21), and the second stirring blade (41) is arranged concentrically with the transmission rod (21). When the transmission rod (21) rotates, the transmission rod (21) drives the first stirring blade (22) and the reaction basket (3) to rotate together. The stirring component (2) also includes a power unit (23) arranged at the bottom of the tank body (1), and the moving end of the power unit (23) extends into the tank body (1) and is connected to the transmission rod (21), and the connection between the power unit (23) and the tank body (1) is a dynamic sealing connection. The power unit (23) is used to drive the transmission rod (21) to rotate.

5. The lime slurry tank according to claim 1, characterized in that: The trough body (1) is provided with a discrete component (6), and the discrete component (6) includes a first discrete plate (61) arranged on the outer wall of the reaction basket (3), and a plurality of discrete blocks (611) are provided on the first discrete plate (61); and a second discrete plate (62) is provided on the inner wall of the trough body (1), and a plurality of discrete grooves (621) corresponding to each of the discrete blocks (611) are opened on the second discrete plate (62). When the reaction basket (3) rotates, the reaction basket (3) drives the first discrete plate (61) to rotate. When the first discrete plate (61) passes through the second discrete plate (62), each of the discrete blocks (611) passes through the corresponding discrete groove (621), and a gap is left between each of the discrete blocks (611) and the corresponding discrete groove (621) for lime particles and fluid medium to pass through.

6. The lime slurrying tank according to claim 1, characterized in that: A plurality of guide grooves (11) are spirally distributed on the inner wall of the trough body (1), and the guide grooves (11) are used to guide the fluid medium at the bottom of the trough body (1) to flow upward.

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