CN112058068A - Intelligent steelmaking desulfurization equipment - Google Patents
Intelligent steelmaking desulfurization equipment Download PDFInfo
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- CN112058068A CN112058068A CN202011007682.0A CN202011007682A CN112058068A CN 112058068 A CN112058068 A CN 112058068A CN 202011007682 A CN202011007682 A CN 202011007682A CN 112058068 A CN112058068 A CN 112058068A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
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Abstract
The application relates to an intelligent steelmaking desulfurization device, and belongs to the technical field of steelmaking desulfurization. The application provides an intelligent steelmaking sweetener, including the reaction box, the reaction box is equipped with air inlet and a plurality of sprinkler bead, the air inlet is located the lateral wall of reaction box, arranging of air inlet highly is less than the water spray plane of a plurality of sprinkler beads, install the supporting seat in the reaction box, a plurality of sprinkler beads install in the downside of supporting seat, a plurality of sprinkler beads all are located the water spray plane just winds the axis circumference interval arrangement of reaction box. The intelligent steelmaking desulfurization equipment can promote the sulfur dioxide and the calcium carbonate to fully react, so that the steelmaking flue gas emission reaches the standard.
Description
Technical Field
The application relates to the technical field of steelmaking desulfurization, in particular to an intelligent steelmaking desulfurization device.
Background
The steel-making desulphurization is one of important processes in steel smelting, a large amount of sulfur dioxide products are contained in steel-making flue gas, and the sulfur dioxide is a toxic and harmful gas and is one of important pollutants of air pollution. Therefore, before the flue gas generated in the steel-making process is externally discharged, the flue gas needs to be subjected to sulfur dioxide elimination treatment.
The existing steelmaking desulfurization equipment has a simpler internal and external structure, and in the desulfurization treatment process by using calcium carbonate liquid, the calcium carbonate liquid is not uniformly sprayed enough, the reaction of calcium carbonate and sulfur dioxide is not sufficient, the desulfurization effect is reduced, and the standard requirement of steelmaking flue gas emission cannot be well met.
Disclosure of Invention
Therefore, the application provides an intelligent steelmaking desulfurization equipment, can impel sulfur dioxide and calcium carbonate fully to react, and then makes steelmaking flue gas emission reach standard.
Some embodiments of the application provide an intelligent steelmaking sweetener, including the reaction box, the reaction box is equipped with air inlet and a plurality of sprinkler bead, the air inlet is located the lateral wall of reaction box, the arrangement of air inlet highly is less than the water spray plane of a plurality of sprinkler beads, install the supporting seat in the reaction box, a plurality of sprinkler beads install in the downside of supporting seat, a plurality of sprinkler beads all are located water spray plane just winds the axis circumference interval arrangement of reaction box.
In the intelligent steelmaking desulfurization equipment in the embodiment of the application, on one hand, the plurality of water spray heads are all arranged on the supporting seat, then the supporting seat is fixed in the reaction box, and the relative positions of the plurality of water spray heads in the reaction box are flexibly and accurately arranged through the supporting seat, so that the absorbent can be uniformly sprayed, and the full reaction of the absorbent and sulfur dioxide in flue gas is facilitated; on the other hand, bear the weight of a plurality of sprinkler heads through the supporting seat, can also install the sprinkler head in the supporting seat earlier, be fixed in the reaction box inner wall with the supporting seat again, not only improved the reliable and stable nature of sprinkler head, and the equipment is convenient.
In addition, the intelligent steelmaking desulfurization equipment according to the embodiment of the application also has the following additional technical characteristics:
according to some embodiments of the present application, the support base further includes a plurality of through holes extending in an up-down direction, and the plurality of through holes and the plurality of sprinkler heads are arranged at intervals in a circumferential direction around a central axis of the reaction tank. Through this kind of form, can evenly spray the absorbent to the reaction box through a plurality of sprinkler heads, can make the gas that produces again in the reaction process upwards to see through smoothly through a plurality of through-holes.
According to some embodiments of the application, the intelligent steelmaking desulfurization equipment further comprises a stirring chamber, a stirring component is arranged in the stirring chamber, and the stirring component comprises: the stirring rod, the upper and lower both ends of stirring rod rotate respectively support in the inner wall of teeter chamber, and with the axis coincidence of teeter chamber, be equipped with a plurality of stirring vane on the stirring rod, a plurality of stirring vane are in interval arrangement on the axis direction of stirring rod. Through this kind of form, not only do benefit to the puddler and stabilize the rotation, can also carry out intensive mixing to limestone flour and water in the teeter chamber.
According to some embodiments of the present application, the stirring assembly further comprises: the motor is arranged outside the stirring chamber and can drive the stirring rod to rotate so as to ensure the safe operation of the motor.
According to some embodiments of the present application, the intelligent steelmaking desulfurization facility further comprises an absorbent pumping line; one end of the absorbent pumping pipeline is an absorbent outlet end and is connected with the water inlet sides of the plurality of water spraying heads; the other end is an absorbent pumping end which is provided with a plurality of sub-pumping pipes, and the sub-pumping pipes are arranged around the stirring rod at intervals in the circumferential direction. By this form, the absorbent can be uniformly extracted from the agitation chamber.
According to some embodiments of the application, a water pump is provided on the sub-pumping pipe. The absorbent can be sent to a higher sprinkler head, the water outlet pressure of the sprinkler head can be improved, and the absorbent and sulfur dioxide in the flue gas are promoted to fully react.
According to some embodiments of the present application, the intelligent steelmaking desulfurization facility further comprises a water diversion device; the water distribution device is positioned on the upper side of the supporting seat and connected with the water outlet end of the absorbent, a plurality of sub water outlets are arranged at the end part of the water distribution device and correspond to the water spraying heads one by one, and each sub water outlet is communicated with the water inlet side of the corresponding water spraying head. Through the water diversion device, the pressure of the absorbent can be uniformly sent to each sprinkler head, so that the absorbent is uniformly sprayed on the reaction box.
According to some embodiments of the present application, an absorbent feeding valve is provided on the absorbent pumping line, and the absorbent feeding valve is located on a section of the absorbent pumping line exposed to the outside of the reaction tank and the stirring chamber. The device not only can control the start and stop of the absorbent fed into the reaction box and the flow, but also is beneficial to operation.
According to some embodiments of the application, the intelligent steelmaking desulfurization equipment further comprises an air inlet pipeline, wherein the air inlet pipeline is used for sending flue gas into the air inlet, and the air inlet pipeline is sequentially provided with a filter screen, an air inlet valve and a fan along the air inlet direction. Through this kind of form, can purify the flue gas and pressurize the flue gas, can also adjust inlet flow, do benefit to the abundant reaction of flue gas and absorbent in the reaction box.
According to some embodiments of the application, the central axis of the reaction box coincides with the central axis of the support base. Through this kind of form, with a plurality of sprinkler heads around the axis circumference interval arrangement of supporting seat, realize promptly that a plurality of sprinkler heads have simplified the structure of supporting seat around the axis circumference interval arrangement of reaction box.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a first view angle of an intelligent steelmaking desulfurization device provided by an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a second perspective of the intelligent steelmaking desulfurization device provided by the embodiment of the present application;
FIG. 3 is a schematic structural diagram of a reaction box in the intelligent steelmaking desulfurization device provided by the embodiment of the present application;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a schematic structural diagram of a stirring chamber in the intelligent steelmaking desulfurization device provided by the embodiment of the present application;
FIG. 6 is a partial enlarged view of FIG. 5 at B;
fig. 7 is a schematic structural diagram of a support seat in the intelligent steelmaking desulfurization apparatus provided in the embodiment of the present application.
Icon: 100-intelligent steelmaking desulfurization equipment; 10-a reaction box; 11-an air inlet; 13-a smoke outlet; 14-a discharge hole; 15-water spray head; 151-water inlet side of sprinkler head; 16-a reaction box side wall; 17-inner wall of reaction box; 20-a stirring chamber; 21-a stirring component; 211-stirring rod; 2111-upper end of the stirring rod; 2112-lower end of the stirring rod; 212-stirring blades; 213-a motor; 22-a water inlet; 23-a feed inlet; 24-stir chamber top wall; 25-stirring chamber bottom wall; 30-a support seat; 31-a through hole; 33-periphery; 34-the underside of the support seat; 35-the upper side of the support seat; 40-absorbent pumping line; 41-the water outlet end of the absorbent; 42-absorbent pump in; 43-son pump-in pipe; 431-a water pump; 432-suction end; 44-absorbent feed valve; 50-a water diversion device; 51-a shunt pipe; 511-water diversion port; 512-water outlet; 52-a water diversion disc; 60-an air inlet pipeline; 61-a filter screen; 62-an intake valve; 63-a fan; 64-an inlet line first end; 65-an inlet line second end; 70-base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, some embodiments of the present application provide an intelligent steelmaking desulfurization apparatus 100, which includes a reaction box 10. The reaction box 10 is provided with an air inlet 11 and a plurality of water spray heads 15, the air inlet 11 is positioned on the side wall 16 of the reaction box, and a supporting seat 30 is arranged in the reaction box 10. Referring to fig. 3, the air inlet 11 is disposed at a height H1 lower than the water spraying plane S1 of the plurality of water spraying heads 15, the plurality of water spraying heads 15 are mounted on the lower side 34 of the supporting base, and the plurality of water spraying heads 15 are all located on the water spraying plane S1 and are circumferentially spaced around the central axis of the reaction chamber 10.
In the intelligent steelmaking desulfurization device 100 in the embodiment of the present application, the air inlet 11 is used for introducing flue gas, and the sprinkler head 15 is used for spraying an absorbent into the reaction box 10. Compared with the mode of directly fixing the water spray heads 15 on the inner wall 17 of the reaction box, on one hand, the water spray heads 15 are all arranged on the supporting seat 30, then the supporting seat 30 is fixed in the reaction box 10, the relative positions of the water spray heads 15 in the reaction box 10 are flexibly and accurately arranged through the supporting seat 30, so that the absorbent can be uniformly sprayed, and the full reaction of the absorbent and sulfur dioxide in flue gas is facilitated; on the other hand, bear the weight of a plurality of sprinkler heads 15 through supporting seat 30, can also install sprinkler heads 15 in supporting seat 30 earlier, be fixed in reaction box inner wall 17 with supporting seat 30 again, not only improved the reliable and stable nature of sprinkler heads 15, and the equipment is convenient.
The configuration of the intelligent steelmaking desulfurization apparatus 100 according to the embodiment of the present application will be described in detail below.
In the reaction box 10, the absorbent reacts with sulfur dioxide in the flue gas, and the desulfurized flue gas is discharged.
Referring to fig. 3, a smoke outlet 13 is disposed at the top of the reaction chamber 10; referring to fig. 2, the lower portion is provided with a discharge hole 14. Wherein, the smoke outlet 13 is used for discharging the desulfurized flue gas, and the discharge outlet 14 is used for discharging gypsum slurry generated after the reaction of the absorbent and sulfur dioxide in the flue gas.
In some embodiments of the present application, the absorbent is a calcium carbonate solution formed by mixing limestone powder and water.
Referring to fig. 1, the intelligent steelmaking desulfurization apparatus 100 further includes an air inlet pipeline 60, and the air inlet pipeline 60 is used for feeding flue gas into the air inlet 11. The air intake duct 60 includes an air intake duct first end 64 and an air intake duct second end 65, and is provided with a filter screen 61, an air intake valve 62, and a fan 63 in this order along the air intake direction. The inlet conduit first end 64 is adapted to communicate with an external source of flue gas and the inlet conduit second end 65 communicates with the inlet port 11.
Wherein, the external flue gas source can be a mixture of flue gas and air, and can also be flue gas discharged from a steelmaking furnace. When the air component in the flue gas discharged from the steel-making furnace is insufficient, a certain proportion of air needs to be mixed in, so that sulfur dioxide in the flue gas can smoothly react with the absorbent.
The filter screen 61 is used for filtering the flue gas and intercepting waste residues mixed in the flue gas. The air inlet valve 62 is used for opening and closing the air inlet pipeline 60 and controlling the flow rate of the inlet flue gas of the air inlet pipeline 60, and the fan 63 is used for increasing the air pressure of the flue gas, so that the high-pressure flue gas enters the reaction box 10, and the reaction fullness is increased.
Referring to fig. 3, the arrangement height H1 of the air inlet 11 is lower than the arrangement height H2 of the water spraying plane S1, so that the flue gas and the absorbent have a sufficient contact area, and the absorbent and the sulfur dioxide in the flue gas can be fully reacted.
For example, H1 is located at 1/5-1/4 and H2 is located at 3/4-4/5 of the height H of the whole reaction box 10, which not only leaves enough gypsum slurry deposition height, but also facilitates the smooth discharge of flue gas from the flue gas outlet 13.
In some embodiments of the present application, the central axis of the reaction chamber 10 coincides with the central axis of the support base 30.
For example, the reaction chamber 10 has a revolving structure, the support base 30 has a disk shape, and a central axis of the disk-shaped support base 30 coincides with a central axis of the reaction chamber 10 having the revolving structure.
Through this kind of form, with a plurality of sprinkler heads 15 around the axis circumference interval arrangement of supporting seat 30, realize promptly that a plurality of sprinkler heads 15 around the axis circumference interval arrangement of reaction box 10, simplified the structure of supporting seat 30.
In other embodiments, the support base 30 may have an irregular contour, such that the plurality of sprinkler heads 15 are circumferentially spaced around the central axis of the reaction chamber 10 when the support base 30 is installed in the reaction chamber 10.
Referring to fig. 7, in some embodiments of the present disclosure, the supporting seat 30 further includes a plurality of through holes 31 extending in an up-down direction, and the through holes 31 are used for allowing the gas generated after the reaction between the absorbent and the sulfur dioxide in the flue gas to pass through the supporting seat 30 and to be smoothly discharged from the smoke outlet 13.
The supporting seat 30 further includes a plurality of mounting holes extending in the up-down direction, the plurality of mounting holes are circumferentially spaced around the central axis of the reaction box 10, the mounting holes correspond to the sprinkler heads 15 one to one, and each mounting hole is used for mounting the corresponding sprinkler head 15.
The plurality of through holes 31 and the plurality of mounting holes are arranged at intervals in the circumferential direction around the central axis of the reaction tank 10, so that the plurality of through holes 31 and the plurality of sprinkler heads 15 are arranged at intervals in the circumferential direction around the central axis of the reaction tank 10 on the support base 30.
For example, four sprinkler heads 15 are arranged, the four sprinkler heads 15 are located on the same circumference with the central axis of the reaction box 10 as the center of a circle, the arrangement included angle between two adjacent sprinkler heads 15 is 90 °, and the plurality of through holes 31 are also arranged on the supporting seat 30 at intervals in the circumferential direction around the central axis of the reaction box 10 so as to be uniformly ventilated.
Through this kind of form, can evenly spray the absorbent in reaction box 10 through a plurality of sprinkler heads 15, can make the gas that produces in the reaction process upwards permeate smoothly through a plurality of through-holes 31 again.
Referring to fig. 3, in some embodiments of the present invention, the peripheral edge 33 of the support base 30 is installed on the inner wall 17 of the reaction chamber to increase the area of the water spray plane S1 as large as possible, thereby uniformly spraying the absorbent into the reaction chamber 10.
For example, the peripheral edge 33 may be welded to the inner wall 17 of the reaction chamber by a bracket, or the reaction chamber 10 may be provided as two parts of a case and a lid, which are butted by a flange, and the support base 30 may be clamped at the butted portion of the flanges.
In other embodiments, the supporting base 30 may also have a plurality of mounting rods extending laterally therefrom, and the mounting rods are fixed to the inner wall 17 of the reaction chamber, so as to mount the supporting base 30.
Referring to fig. 1 and 5, the intelligent steelmaking desulfurization apparatus 100 further includes a stirring chamber 20, a water inlet 22 is formed in a side wall of the stirring chamber 20, a material inlet 23 is formed in a top wall 24 of the stirring chamber, and an internal stirring assembly 21 of the stirring chamber 20. Water is fed into the stirring chamber 20 through the water inlet 22, limestone powder is fed into the stirring chamber 20 through the feed opening 23, and the limestone powder and the water are stirred by the stirring assembly 21 to form the absorbent.
Optionally, the central axis of the feeding port 23 is parallel to the central axis of the stirring chamber 20, that is, the feeding port 23 is vertically opened, so that the added limestone powder can smoothly enter the stirring chamber 20 without remaining in the feeding port 23.
The stirring assembly includes a stirring rod 211, a stirring blade 212, and a motor 213.
Referring to fig. 5, the stirring rod 211 is vertically disposed, and the upper end 2111 and the lower end 2112 of the stirring rod are rotatably supported on the inner wall of the stirring chamber 20, respectively.
Specifically, the lower end 2112 of the stirring rod is rotatably supported on the bottom wall 25 of the stirring chamber through a bearing, the upper end 2111 of the stirring rod penetrates through the top wall 24 of the stirring chamber, the motor 213 is mounted on the top wall 24 of the stirring chamber and is located outside the stirring chamber 20, and the output end of the motor 213 is in driving connection with the upper end 2111 of the stirring rod to drive the stirring rod 211 to rotate.
Through this kind of form, do benefit to the steady rotation of puddler 211, and motor 213 arranges outside teeter chamber 20, avoids being soaked the corruption by the material in teeter chamber 20 to the security has been improved.
The stirring rod 211 coincides with the central axis of the stirring chamber 20, a plurality of stirring blades 212 are provided on the stirring rod 211, and the plurality of stirring blades 212 are arranged at intervals in the axial direction of the stirring rod 211.
With this configuration, the limestone powder and water in the stirring chamber 20 can be sufficiently stirred.
Preferably, the stirring blades 212 are arranged at intervals along the axis of the stirring rod 211 and are also distributed around the stirring rod 211 in a rotating manner so as to stir the materials in the stirring chamber 20 uniformly in the circumferential direction.
Referring to fig. 1, the intelligent steelmaking desulfurization apparatus 100 further includes an absorbent pumping line 40, and the absorbent pumping line 40 is used for communicating the stirring chamber 20 with the reaction tank 10 to feed the absorbent into the reaction tank 10. The two ends of the absorbent pumping pipeline 40 are an absorbent outlet end 41 (see fig. 4) and an absorbent pumping end 42 (see fig. 5), respectively, the absorbent pumping pipeline 40 penetrates through the side wall 16 of the reaction tank, the absorbent outlet end 41 is located in the reaction tank 10, and the absorbent pumping end 42 is located in the stirring chamber 20.
The absorbent pumping end 42 is provided with a plurality of sub-pumping pipes 43, and the plurality of sub-pumping pipes 43 are circumferentially spaced around the agitating bar 211. With this form, the absorbent can be uniformly extracted from the agitation chamber 20.
Referring to fig. 5 and 6, a water pump 431 is further provided on the sub-pump 43. Through set up a water pump 431 on every sub-pump goes into pipe 43, can pressurize the absorbent, not only can send into higher sprinkler bead 15 department with the absorbent, can also improve the delivery pressure of sprinkler bead 15, make absorbent and sulfur dioxide in the flue gas fully react.
For example, two sub-pump-in pipes 43 are provided, the suction ends 432 of the two sub-pump-in pipes 43 are both located in the stirring chamber 20 and are arranged near the bottom wall, and the suction ends 432 of the two sub-pump-in pipes 43 are arranged symmetrically with respect to the central axis of the stirring chamber 20.
In other embodiments, three or four of the sub-pumping pipes 43 may be arranged in a rotational symmetry around the central axis of the stirring chamber 20 to uniformly suck the absorbent.
Referring to fig. 5, in some embodiments of the present application, an absorbent feeding valve 44 is disposed on the absorbent pumping line 40, and the absorbent feeding valve 44 is disposed on a section of the absorbent pumping line 40 exposed to the outside of the reaction tank 10 and the stirring chamber 20. This not only controls the start and stop of the absorbent feeding into the reaction chamber 10 and the flow rate, but also facilitates the operation.
Referring to fig. 5, further, the height H3 of the sub-pumping pipe 43 is located at the lower side of the height of the entire stirring chamber 20, for example, 1/4 which is not higher than the height H4 of the stirring chamber 20, and the arrangement height of the stirring vanes 212 is 1/4 or more of the height of the entire stirring chamber 20, so as to prevent the stirring vanes 212 from interfering with the sub-pumping pipe 43 during the rotation.
The absorbent outlet end 41 is connected to the sprinkler inlet side 151 of the plurality of sprinklers 15 for feeding the absorbent into the reaction tank 10.
Referring to fig. 1 and 4, in some embodiments of the present application, the intelligent steelmaking desulfurization apparatus 100 further includes a water diversion device 50, wherein the water diversion device 50 is located on the upper side 35 of the support base and connects the water outlet end 41 of the absorbent with the plurality of sprinkler heads 15.
Referring to fig. 4, the water diversion device 50 includes a water diversion tray 52 and a plurality of water diversion pipes 51.
The water inlet side of the water diversion disc 52 is connected with the water outlet end 41 of the absorbent, one end of each water diversion pipe 51 is a water diversion port 511, the other end is a sub water outlet 512, the water diversion ports 511 are all connected with the water outlet side of the water diversion disc 52, the sub water outlets 512 are in one-to-one correspondence with the sprinkler heads 15, and each sub water outlet 512 is communicated with the water inlet side 151 of the corresponding sprinkler head.
For example, when four sprinkler heads 15 are arranged, four water knock out pipes 51 are arranged correspondingly.
The absorbent can be uniformly pressurized and fed to each sprinkler head 15 by the water distribution device 50, so that the absorbent can be uniformly sprayed to the reaction tank 10.
Referring to fig. 1, in some embodiments of the present application, the intelligent steelmaking desulfurization apparatus 100 further includes a base 70, and the reaction box 10 and the stirring chamber 20 are disposed on the base 70, so as to raise the reaction box 10 and the stirring chamber 20, prevent moisture and humidity, support the weight of the reaction box 10 and the stirring chamber 20, alleviate the vibration generated during the operation of the reaction box 10 and the stirring chamber 20, and facilitate the reliable and stable operation of the reaction box 10 and the stirring chamber 20. For example, the base 70 may be a poured concrete platform.
The working principle of the intelligent steelmaking desulfurization device 100 in the embodiment of the application is as follows:
limestone powder is added into the stirring chamber 20 from the feed inlet 23, water is fed into the stirring chamber 20 from the water inlet 22, the stirring rod 211 is driven to rotate by the motor 213, and the limestone powder and the water are stirred by the stirring blade 212 to form an absorbent;
the plurality of sub-pumping pipes 43 suck the absorbent at the bottom of the stirring chamber 20 and pressurize the absorbent, the absorbent is sent into the reaction box 10 through the absorbent pumping pipeline 40, the absorbent is sent into the plurality of water spraying heads 15 through the water distribution device 50, and the absorbent is uniformly sprayed into the reaction box 10 by the plurality of water spraying heads 15 on the water spraying plane S1;
after being filtered, pressurized and controlled in flow rate through the air inlet pipeline 60, the flue gas enters the lower part of the reaction box 10 from the air inlet 11 at the height H1;
the absorbent reacts with sulfur dioxide in the flue gas, and the desulfurized flue gas is discharged from the flue gas outlet 13 through the plurality of through holes 31 and is settled to generate gypsum slurry;
when the gypsum slurry has accumulated to a certain height, the gypsum slurry is emptied through the discharge opening 14.
The intelligent steelmaking desulfurization equipment 100 in the embodiment of the application is simple in structure, easy to assemble, stable and reliable, carries out desulfurization treatment on flue gas, is high in desulfurization efficiency and has good safety.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides an intelligent steelmaking sweetener, its characterized in that, includes the reaction box, the reaction box is equipped with air inlet and a plurality of sprinkler bead, the air inlet is located the lateral wall of reaction box, the arranging of air inlet highly is less than the water spray plane of a plurality of sprinkler beads, install the supporting seat in the reaction box, a plurality of sprinkler beads install in the downside of supporting seat, a plurality of sprinkler beads all are located the water spray plane just winds the axis circumference interval arrangement of reaction box.
2. The intelligent steelmaking desulfurization apparatus of claim 1, wherein said support base further comprises a plurality of through holes extending in an up-down direction, said plurality of through holes and said plurality of sprinkler heads being arranged in said support base together at circumferentially spaced intervals around a central axis of said reaction box.
3. The intelligent steelmaking desulfurization apparatus of claim 1, further comprising a stirring chamber, wherein a stirring assembly is disposed inside the stirring chamber, and the stirring assembly comprises:
the stirring rod, the upper and lower both ends of stirring rod rotate respectively support in the inner wall of teeter chamber, and with the axis coincidence of teeter chamber, be equipped with a plurality of stirring vane on the stirring rod, a plurality of stirring vane are in interval arrangement on the axis direction of stirring rod.
4. The intelligent steelmaking desulfurization apparatus of claim 3, wherein the stirring assembly further comprises:
and the motor is arranged outside the stirring chamber and can drive the stirring rod to rotate.
5. The intelligent steelmaking desulfurization facility of claim 3, further comprising an absorbent pumping line;
one end of the absorbent pumping pipeline is an absorbent outlet end and is connected with the water inlet sides of the plurality of water spraying heads;
the other end is an absorbent pumping end which is provided with a plurality of sub-pumping pipes, and the sub-pumping pipes are arranged around the stirring rod at intervals in the circumferential direction.
6. The intelligent steelmaking and desulfurization unit of claim 5, wherein the sub-pumping pipe is provided with a water pump.
7. The intelligent steelmaking desulfurization facility of claim 5, further comprising:
a water diversion device; the water distribution device is positioned on the upper side of the supporting seat and connected with the water outlet end of the absorbent, a plurality of sub water outlets are arranged at the end part of the water distribution device and correspond to the water spraying heads one by one, and each sub water outlet is communicated with the water inlet side of the corresponding water spraying head.
8. The intelligent steelmaking desulfurization apparatus of claim 5, wherein an absorbent feed valve is provided on the absorbent pumping line, the absorbent feed valve being located on a section of the absorbent pumping line exposed to the outside of the reaction tank and the stirring chamber.
9. The intelligent steelmaking desulfurization device of claim 1, further comprising an air inlet pipeline for feeding flue gas into the air inlet, wherein the air inlet pipeline is provided with a filter screen, an air inlet valve and a fan in sequence along an air inlet direction.
10. The intelligent steelmaking desulfurization apparatus of claim 1, wherein the central axis of the reaction box coincides with the central axis of the support base.
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Application publication date: 20201211 |