CN110975576A - Desulfurization and dust removal equipment and process for lime production - Google Patents
Desulfurization and dust removal equipment and process for lime production Download PDFInfo
- Publication number
- CN110975576A CN110975576A CN201911324568.8A CN201911324568A CN110975576A CN 110975576 A CN110975576 A CN 110975576A CN 201911324568 A CN201911324568 A CN 201911324568A CN 110975576 A CN110975576 A CN 110975576A
- Authority
- CN
- China
- Prior art keywords
- desulfurization
- water
- dust removal
- removal tower
- corrosion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B01D53/504—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 device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
Abstract
The invention discloses desulfurization and dust removal equipment and process for lime production, which comprises a desulfurization and dust removal tower and a wastewater concentration pool, wherein a water drainage pipe is arranged on one side of the lower end of the desulfurization and dust removal tower, an inclined guide plate is connected inside the lower end of the desulfurization and dust removal tower, a smoke inlet pipe is connected to one side of the desulfurization and dust removal tower, an overflow port is formed in one side of the desulfurization and dust removal tower, which is far away from the smoke inlet pipe, one end of the overflow port is fixedly connected with a water guide pipe, and a partition plate is movably connected in the overflow. According to the desulfurization and dust removal equipment and process for lime production, a desulfurization and dust removal tower is connected with a wastewater concentration tank, flue gas is guided into the desulfurization and dust removal tower through a draught fan, gas is spirally guided into the upper end of the desulfurization and dust removal tower through a corrosion-resistant spiral plate, a rotary drum and an arc panel are arranged at the same time, so that the contact time of the gas and desulfurization liquid is prolonged, the desulfurization effect is improved, and a plurality of layers of spray pipes are vertically arranged in the desulfurization and dust removal tower, so that the space is saved, and the energy is saved.
Description
Technical Field
The invention relates to the technical field of lime production desulfurization and dust removal, in particular to equipment and a process for desulfurization and dust removal in lime production.
Background
Lime is an air-hardening inorganic gelling material with calcium oxide as a main component. The lime is a product with high calcium carbonate content such as limestone, dolomite, chalk, shells and the like, and is calcined at 900-1100 ℃. Lime was the earliest gelling material used by humans. The lime has wide application range in civil engineering and can also be used in medicine in China.
The original lime production process is to lay limestone and fuel (wood) layer by layer and fire them for a week. In modern times, mechanized and semi-mechanized vertical kilns, rotary kilns, fluidized beds and other equipment are adopted for production. The calcination time is correspondingly shortened, the lime production by the rotary kiln only needs 2-4 hours, and the production efficiency can be improved by more than 5 times compared with the lime production by a vertical kiln. And the technology and equipment with remarkable energy saving effect such as a transverse flow type, a double-slope type and oil burning annular vertical kiln, a short rotary kiln with a preheater and the like are also provided, and the fuel is expanded into coal, coke, heavy oil or liquefied gas and the like. Lime can produce a large amount of waste gases in the processing production, and the waste gas contains smoke and dust and sulphide can seriously pollute the environment, so that the discharged waste gas can be subjected to dust removal and desulfurization treatment and then is discharged into the atmosphere.
Disclosure of Invention
The invention aims to provide desulfurization and dust removal equipment and a desulfurization and dust removal process for lime production, wherein a draught fan is used for guiding flue gas into a desulfurization and dust removal tower, the gas is spirally guided into the upper end of the desulfurization and dust removal tower through a corrosion-resistant spiral plate, a rotary drum and an arc panel are arranged at the same time, the contact time of the gas and desulfurization liquid is prolonged, the desulfurization effect is improved, and a plurality of layers of spray pipes are vertically arranged in the desulfurization and dust removal tower, so that the space and the energy are saved, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a desulfurization and dust removal device for lime production comprises a desulfurization and dust removal tower and a wastewater concentration pool, wherein one side of the lower end of the desulfurization and dust removal tower is provided with a water discharge pipe, an inclined guide plate is connected inside the lower end of the desulfurization and dust removal tower, one side of the desulfurization and dust removal tower is connected with a smoke inlet pipe, one side of the desulfurization and dust removal tower, which is far away from the smoke inlet pipe, is provided with an overflow port, one end of the overflow port is fixedly connected with a water guide pipe, a baffle plate is movably connected inside the overflow port through a rotating shaft, the upper end of one side, which is close to the water guide pipe, is connected with the upper end of one end of the water guide pipe, the lower end of the water guide pipe extends into the wastewater concentration pool, the lower end of the water guide pipe is connected with an extension pipe through a bent pipe, a wastewater groove is arranged, the outer wall of the desulfurization and dust removal tower is connected with a water inlet pipe, the periphery of the upper end of the desulfurization and dust removal tower is connected with an overflow groove, the side wall of the water inlet pipe is connected with a spray pipe, the spray pipe extends to the interior of the desulfurization and dust removal tower, and the upper end of the water inlet pipe is connected with one side of the overflow groove;
the pond is concentrated to waste water internal parallel connection has first water-stop sheet and second water-stop sheet, the equal block of first water-stop sheet and second water-stop sheet has the filter screen, a week fixedly connected with card limit of filter screen, the upper end on card limit is connected with the cardboard, the draw-in groove has all been seted up on the lower surface at cardboard both ends and the outer wall on card limit, cross connection has the water-stop sheet between first water-stop sheet and the pond is concentrated to waste water, the corrosion-resistant pump is installed with the pond is concentrated to second water-stop sheet and waste water, the output of corrosion-resistant pump is connected with the wet return, the wet return.
Preferably, the outer wall of the rotating drum is equidistantly connected with arc-shaped blades, two sides of each arc-shaped blade are symmetrically connected with side plates, and one end of each arc-shaped blade is connected with a water scooping groove.
Preferably, the direction of the water scooping groove is opposite to that of the cambered surface of the cambered blade, and the water scooping groove below the rotary drum extends into the desulfurization liquid in the waste water tank.
Preferably, the surface of the corrosion-resistant spiral plate is equidistantly connected with cambered plates, one side of the corrosion-resistant spiral plate, which is connected with the desulfurization and dust removal tower, is provided with a groove, the lower end of the corrosion-resistant spiral plate is connected with a water guide plate, and the water guide plate is arranged above one side of the rotary drum.
Preferably, one end of the cambered plate is smoothly connected with the surface of the corrosion-resistant spiral plate, and the other end of the cambered plate is higher than the surface of the corrosion-resistant spiral plate.
Preferably, the upper end face and the lower end face of the overflow port are both designed to be inclined planes, and the partition plate is matched with the overflow port.
Preferably, a through groove matched with the clamping edge is formed in the first water-stop sheet and the second water-stop sheet, and the clamping groove is clamped with the side edge of the through groove.
The invention also aims to solve the technical problems that: provides a desulfurization and dust removal process for lime production, which comprises the following steps:
s1: the smoke dust processed by the kiln is connected with a cyclone dust outlet device through a pipeline, the cyclone dust outlet device carries out large-particle dust outlet on the smoke dust, and large particles with the particle size of more than 20 microns are discharged;
s2: the smoke dust enters the multi-tube radiator through the pipeline, and hot gas in the multi-tube exchanges heat with cold air outside the tube through the tube wall, so that the temperature of the smoke gas is reduced by 120-160 ℃;
s3: the cooled flue gas enters a bag-type dust collector, the bag-type dust collector provides stable pulse air pressure through a screw air compressor, and cleaner flue gas filtered by the bag-type dust collector is sucked into a desulfurization dust removal tower by a draught fan;
s4: the wind power is enhanced through the draught fan, smoke entering the desulfurization and dust removal tower blows to the arc-shaped blades to drive the rotary drum to rotate, the water scooping groove scoops up desulfurization liquid in the wastewater groove, the smoke is contacted with the desulfurization liquid to achieve a desulfurization effect, the smoke extends upwards along the corrosion-resistant spiral plate under the separation of the water guide plate, the desulfurization liquid is pumped by the corrosion-resistant pump to enter the overflow groove and the spray pipe, the overflow groove overflows towards the inner wall of the desulfurization and dust removal tower to form a water film, the spray pipe sprays downwards, the smoke is upwards spirally and fully contacted with the desulfurization liquid under the action of centrifugal force to achieve the desulfurization effect, and meanwhile, the sprayed water is collected on the corrosion-resistant spiral plate and extends downwards, when flowing onto the arc-shaped plate, the liquid splashes under the action of inertia and is contacted with the smoke again to enhance the desulfurization effect;
s5: finally, the doctor solution collects to the wastewater disposal basin in, when the water level was too high, promotes the baffle slope, trickles to the concentrated pond of waste water, and the board that blocks water plays the effect that slows down the velocity of flow, prevents to deposit the bottom and dashes, and the waste liquid filters, returns the concentrated pond of waste water once more and is close to the one end of corrosion-resistant pump, and the cycle is recycled.
Preferably, the desulfurization solution in S4 is prepared by mixing sodium carbonate, calcium oxide and caustic soda, and water-insoluble neutral salt calcium sulfate is generated after the reaction.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a desulfurization and dust removal device and a desulfurization and dust removal process for lime production, wherein a desulfurization and dust removal tower is connected with a wastewater concentration pool, a draught fan is used for guiding flue gas into the desulfurization and dust removal tower, and the gas is spirally guided into the upper end of the desulfurization and dust removal tower through a corrosion-resistant spiral plate, a rotary drum and an arc panel are arranged at the same time, so that the contact time of the gas and desulfurization liquid is prolonged, the desulfurization effect is improved, a plurality of layers of spray pipes are vertically arranged in the desulfurization and dust removal tower, the space and the energy are saved, a baffle plate is arranged on an overflow port of the desulfurization and dust removal tower and matched with a water guide plate, the effect of isolating the gas is achieved, meanwhile, the water guide plate can collect water and drive the rotary drum to rotate, and the desulfurization and dust removal process firstly carries out multi-step dust removal.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a partial cross-sectional structural view of the present invention;
FIG. 3 is an enlarged view of A of the present invention;
FIG. 4 is a top view of the wastewater collection basin of the present invention;
FIG. 5 is a diagram of a filter screen according to the present invention;
FIG. 6 is a view showing the construction of the drum of the present invention;
fig. 7 is a structural view of a corrosion-resistant spiral plate of the present invention.
In the figure: 1. a desulfurization and dust removal tower; 11. a water discharge pipe; 12. an inclined guide plate; 13. a smoke inlet pipe; 14. an overflow port; 141. a partition plate; 142. a spring; 15. a water conduit; 151. an extension pipe; 16. a wastewater tank; 17. an overflow trough; 2. a wastewater concentration tank; 21. a first water-stop sheet; 22. a second water-stop sheet; 23. a filter screen; 24. edge clamping; 241. clamping a plate; 242. a card slot; 25. a water-blocking plate; 26. a corrosion resistant pump; 261. a water return pipe; 3. a rotating drum; 31. an arc-shaped blade; 32. a side plate; 33. scooping up the water tank; 4. a corrosion resistant spiral plate; 41. a cambered plate; 42. a water guide plate; 43. a groove; 5. a water inlet pipe; 51. a shower pipe; 6. an induced draft fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1-3, a desulfurization and dust removal device for lime production comprises a desulfurization and dust removal tower 1 and a wastewater concentration tank 2, wherein a water discharge pipe 11 is arranged on one side of the lower end of the desulfurization and dust removal tower 1, a valve is connected to the water discharge pipe 11, an inclined guide plate 12 is connected inside the lower end of the desulfurization and dust removal tower 1 and used for cleaning precipitates, a smoke inlet pipe 13 is connected to one side of the desulfurization and dust removal tower 1, the smoke inlet pipe 13 is connected to an induced draft fan 6 and introduces smoke into the desulfurization and dust removal device, a water overflow 14 is arranged on one side of the desulfurization and dust removal tower 1 away from the smoke inlet pipe 13, a water guide pipe 15 is fixedly connected to one end of the water overflow 14, a partition plate 141 is movably connected to the inside of the water overflow 14 through a rotating shaft, the upper end surface and the lower end surface of the water overflow 14 are both designed to be inclined surfaces, the partition plate 141 is matched with the water overflow 14, when the water level is too high, the partition plate 141 is pushed to turn over to realize overflow, when the water level is proper, the partition plate 141 is vertical to avoid smoke leakage, the lower end of the water guide pipe 15 extends into the wastewater concentration tank 2, the lower end of the water guide pipe 15 is connected with the extension pipe 151 through a bent pipe, the water flow speed is slowed down through the extension pipe 151 to accelerate precipitation, a wastewater groove 16 is arranged in the lower end of the desulfurization and dust removal tower 1, a rotary drum 3 is connected in the desulfurization and dust removal tower 1 above the wastewater groove 16 through a rotating shaft, a corrosion-resistant spiral plate 4 is connected in the desulfurization and dust removal tower 1 above the rotary drum 3, a water inlet pipe 5 is connected on the outer wall of the desulfurization and dust removal tower 1, an overflow groove 17 is connected on the periphery of the upper end of the desulfurization and dust removal tower 1, when the overflow groove 17 is full of water, the water flows along the side wall of the desulfurization and dust removal tower 1 through the overflow groove edge to, the upper end of the water inlet pipe 5 is connected with one side of the overflow groove 17, the desulfurization dust removal tower 1 is formed by assembling a plurality of sections, a convex-concave joint is adopted, acid-resistant cement is adopted at the joint, and the phenomena of water leakage and air leakage are avoided.
Referring to fig. 4-5, a first water-stop sheet 21 and a second water-stop sheet 22 are connected in parallel in the wastewater concentration tank 2, the first water-stop sheet 21 and the second water-stop sheet 22 are both clamped with a filter screen 23, the filter screen 23 is used for filtering insoluble particles and calcium sulfate, a clamping edge 24 is fixedly connected to the periphery of the filter screen 23, the upper end of the clamping edge 24 is connected with a clamping plate 241, clamping grooves 242 are respectively formed on the lower surfaces of the two ends of the clamping plate 241 and the outer wall of the clamping edge 24, through grooves matched with the clamping edge 24 are formed on the first water-stop sheet 21 and the second water-stop sheet 22, the clamping grooves 242 are clamped with the side edges of the through grooves, the filter screen 23 is of a detachable structure and can be replaced and cleaned, water-stop sheets 25 are alternately connected between the first water-stop sheet 21 and the wastewater concentration tank 2, the water-stop sheets 25 prevent water from flowing fast and flush the bottom sediment, corrosion-resistant, the output end of the corrosion-resistant pump 26 is connected with a water return pipe 261, the water return pipe 261 is connected with the lower end of the water inlet pipe 5, and the corrosion-resistant pump 26 can pump back the desulfurization liquid which does not completely react for repeated use.
Referring to fig. 6, the outer wall of the rotating drum 3 is equidistantly connected with arc-shaped blades 31, the two sides of the arc-shaped blades 31 are symmetrically connected with side plates 32, one end of each arc-shaped blade 31 is connected with a scooping trough 33, the direction of the arc-shaped trough 33 is opposite to that of the arc-shaped surface of each arc-shaped blade 31, the scooping trough 33 below the rotating drum 3 extends into the desulfurization liquid in the wastewater tank 16, and the arc-shaped blades 31 can drive the rotating drum 3 to rotate, so that the scooping trough 33 rotates, the desulfurization liquid is scooped up to be in contact with the flue gas, and the desulfurization effect.
Referring to fig. 7, the corrosion-resistant spiral plate 4 is connected with arc panels 41 at equal intervals on the surface, a groove 43 is formed in one side of the corrosion-resistant spiral plate 4 connected with the desulfurization and dust removal tower 1, the groove 43 is used for sprinkling the desulfurization liquid in the upper overflow groove 17, the lower end of the corrosion-resistant spiral plate 4 is connected with a water guide plate 42, the water guide plate 42 is arranged above one side of the rotary drum 3, the collected desulfurization liquid rushes to the arc-shaped blade 31 to drive the rotary drum 3 to rotate, when wind power is insufficient, the rotary drum 3 can be driven to rotate through the liquid, meanwhile, the water guide plate 42 can play a role of blocking, gas is prevented from overflowing from the overflow port 14, one end of the arc panel 41 is smoothly connected with the surface of the corrosion-resistant spiral plate 4, and the other end.
In order to better show the flow of lime production, desulfurization and dust removal, the embodiment now proposes a lime production, desulfurization and dust removal process, which includes:
the method comprises the following steps: the smoke dust processed by the kiln is connected with a cyclone dust outlet device through a pipeline, the cyclone dust outlet device carries out large-particle dust outlet on the smoke dust, and large particles with the particle size of more than 20 microns are discharged;
step two: the smoke dust enters the multi-tube radiator through the pipeline, and hot gas in the multi-tube exchanges heat with cold air outside the tube through the tube wall, so that the temperature of the smoke gas is reduced by 120-160 ℃;
step three: the cooled flue gas enters a bag-type dust collector, the bag-type dust collector provides stable pulse air pressure through a screw air compressor, and cleaner flue gas filtered by the bag-type dust collector is sucked into a desulfurization and dust removal tower 1 through a draught fan 6;
step four: the wind power is enhanced by the draught fan 6, the flue gas entering the desulfurization and dust removal tower 1 is blown onto the arc-shaped blades 31 to drive the rotary drum 3 to rotate, the desulfurization liquid in the wastewater tank 16 is scooped up by the scooping water tank 33, the flue gas is contacted with the desulfurization liquid to play a desulfurization effect, the flue gas extends along the corrosion-resistant spiral plate 4 and spirals upwards under the separation of the water guide plate 42, the desulfurization liquid is extracted by the corrosion-resistant pump 26 and enters the overflow groove 17 and the spray pipe 51, the overflow groove 17 overflows towards the inner wall of the desulfurization and dust removal tower 1 to form a water film, the spray pipe 51 sprays downwards at the same time, the flue gas spirals upwards, is fully contacted with the desulfurization liquid under the action of centrifugal force to play a desulfurization effect, and simultaneously the sprayed water is collected on the corrosion-resistant spiral plate 4 and extends downwards, and splashes onto the arc-shaped plate 41 under the inertia effect, so that the desulfurization effect is enhanced, and the desulfurization liquid is contacted with the flue gas again, The calcium oxide and the caustic soda are proportioned, the water-insoluble neutral salt calcium sulfate and water generated after the reaction are added with hydrogen peroxide, and the neutral salt calcium sulfate can be recycled;
step five: finally, the desulfurization solution is collected in the wastewater tank 16, when the water level is too high, the partition plate 141 is pushed to incline and flow to the wastewater concentration pool 2, the water blocking plate 25 plays a role in slowing down the flow velocity, the bottom precipitation is prevented from being washed, and the waste liquid is filtered and returns to one end, close to the corrosion-resistant pump 26, of the wastewater concentration pool 2 again for recycling.
In summary, the following steps: this lime production desulfurization dust collecting equipment and technology, connect waste water concentrated pond 2 through desulfurization dust removal tower 1, utilize draught fan 6 with the flue gas leading-in to desulfurization dust removal tower 1 in, and be the heliciform with gas through corrosion-resistant spiral plate 4 and introduce to the upper end of desulfurization dust removal tower 1, it is long when being equipped with rotary drum 3 and cambered plate 41 increase gas and the contact of doctor solution simultaneously, increase its desulfurization effect, be equipped with multilayer shower 51 in the desulfurization dust removal tower 1 perpendicularly, save space, the energy saving, be equipped with baffle 141 on desulfurization dust removal tower 1's the gap 14, the cooperation has water deflector 42, play isolated gaseous effect, water deflector 42 can collect water simultaneously, it is rotatory to drive rotary drum 3, desulfurization dust removal technology is at first through whirlwind dust extractor, multi-tube radiator and sack cleaner carry out the multistep dust removal cooling, the desulfurization again, guarantee the desulfurization effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a lime production desulfurization dust collecting equipment, includes desulfurization dusting tower (1) and waste water concentrated pond (2), its characterized in that: one side of the lower end of the desulfurization and dust removal tower (1) is provided with a water discharge pipe (11), an inclined guide plate (12) is connected inside the lower end of the desulfurization and dust removal tower (1), one side of the desulfurization and dust removal tower (1) is connected with a smoke inlet pipe (13), one side of the desulfurization and dust removal tower (1) far away from the smoke inlet pipe (13) is provided with a water gap (14), one end of the water gap (14) is fixedly connected with a water guide pipe (15), a partition plate (141) is movably connected inside the water gap (14) through a rotating shaft, the upper end of one side, close to the water guide pipe (15), of the partition plate (141) is connected with a spring (142), one end of the spring (142) is connected with the upper end of one end of the water guide pipe (15), the lower end of the water guide pipe (15) extends into the wastewater concentration tank (2), the lower end of the water guide pipe (15, a rotary drum (3) is connected in a desulfurization and dust removal tower (1) above a wastewater tank (16) through a rotary shaft, a corrosion-resistant spiral plate (4) is connected in the desulfurization and dust removal tower (1) above the rotary drum (3), a water inlet pipe (5) is connected on the outer wall of the desulfurization and dust removal tower (1), an overflow groove (17) is connected to the periphery of the upper end of the desulfurization and dust removal tower (1), a spray pipe (51) is connected to the side wall of the water inlet pipe (5), the spray pipe (51) extends into the desulfurization and dust removal tower (1), and the upper end of the water inlet pipe (5) is connected with one side of the overflow groove;
parallel connection has first water-stop sheet (21) and second water-stop sheet (22) in waste water concentration pond (2), first water-stop sheet (21) and the equal block of second water-stop sheet (22) have filter screen (23), a week fixedly connected with card limit (24) of filter screen (23), the upper end of card limit (24) is connected with cardboard (241), draw-in groove (242) have all been seted up on the lower surface at cardboard (241) both ends and the outer wall of card limit (24), staggered connection has water-stop sheet (25) between first water-stop sheet (21) and the waste water concentration pond (2), corrosion-resistant pump (26) are installed with waste water concentration pond (2) in second water-stop sheet (22), the output of corrosion-resistant pump (26) is connected with wet return (261), wet return (261) are connected with the lower extreme of inlet tube (5).
2. The lime production desulfurization dust removal apparatus of claim 1, wherein: arc-shaped blades (31) are connected to the outer wall of the rotating drum (3) at equal distances, side plates (32) are symmetrically connected to the two sides of each arc-shaped blade (31), and one end of each arc-shaped blade (31) is connected with a water scooping groove (33).
3. The lime production desulfurization dust removal apparatus of claim 2, wherein: the direction of the cambered surface of the water scooping groove (33) is opposite to that of the cambered surface of the cambered blade (31), and the water scooping groove (33) below the rotary drum (3) extends into the desulfurization liquid in the waste water groove (16).
4. The lime production desulfurization dust removal apparatus of claim 1, wherein: the surface of the corrosion-resistant spiral plate (4) is equidistantly connected with an arc panel (41), one side of the corrosion-resistant spiral plate (4) connected with the desulfurization and dust removal tower (1) is provided with a groove (43), the lower end of the corrosion-resistant spiral plate (4) is connected with a water guide plate (42), and the water guide plate (42) is arranged above one side of the rotary drum (3).
5. The lime production desulfurization dust removal equipment of claim 4, wherein: one end of the cambered plate (41) is smoothly connected with the surface of the corrosion-resistant spiral plate (4), and the other end of the cambered plate (41) is higher than the surface of the corrosion-resistant spiral plate (4).
6. The lime production desulfurization dust removal apparatus of claim 1, wherein: the upper end face and the lower end face of the overflow port (14) are both designed to be inclined planes, and the partition plate (141) is matched with the overflow port (14).
7. The lime production desulfurization dust removal apparatus of claim 1, wherein: the first water-stop sheet (21) and the second water-stop sheet (22) are provided with through grooves matched with the clamping edges (24), and the clamping grooves (242) are clamped with the side edges of the through grooves.
8. A process for desulphurisation and dust removal in the production of lime according to any one of claims 1 to 7, comprising the steps of:
s1: the smoke dust processed by the kiln is connected with a cyclone dust outlet device through a pipeline, the cyclone dust outlet device carries out large-particle dust outlet on the smoke dust, and large particles with the particle size of more than 20 microns are discharged;
s2: the smoke dust enters the multi-tube radiator through the pipeline, and hot gas in the multi-tube exchanges heat with cold air outside the tube through the tube wall, so that the temperature of the smoke gas is reduced by 120-160 ℃;
s3: the cooled flue gas enters a bag-type dust collector, the bag-type dust collector provides stable pulse air pressure through a screw air compressor, and the cleaner flue gas filtered by the bag-type dust collector is sucked into a desulfurization and dust removal tower (1) by a draught fan (6);
s4: the wind power is enhanced through the draught fan (6), the flue gas entering the desulfurization and dust removal tower (1) blows to the arc-shaped blade (31) to drive the rotary drum (3) to rotate, the water scooping groove (33) scoops up the desulfurization liquid in the wastewater groove (16), the flue gas is contacted with the desulfurization liquid to play a role in desulfurization, under the separation of the water guide plate (42), the flue gas extends upwards along the corrosion-resistant spiral plate (4), the desulfurization liquid is extracted by the corrosion-resistant pump (26) to enter the overflow groove (17) and the spray pipe (51), the overflow groove (17) overflows towards the inner wall of the desulfurization and dust removal tower (1) to form a water film, the spray pipe (51) sprays downwards, the flue gas spirals upwards, is fully contacted with the desulfurization liquid under the action of centrifugal force to play a role in desulfurization, the sprayed water is collected onto the corrosion-resistant spiral plate (4) and extends downwards, and flows onto the arc-shaped panel (41), under the action of inertia, the liquid splashes and contacts with the flue gas again, so that the desulfurization effect is enhanced;
s5: finally, the desulfurization liquid is collected in the wastewater tank (16), when the water level is too high, the partition plate (141) is pushed to incline and flows to the wastewater concentration pool (2), the water blocking plate (25) plays a role in slowing down the flow velocity to prevent the bottom from being deposited and flushed, and the waste liquid is filtered and returned to one end, close to the corrosion-resistant pump (26), of the wastewater concentration pool (2) again for recycling.
9. The desulfurization and dust removal process for lime production according to claim 8, wherein: the desulfurization solution in the S4 is prepared by mixing sodium carbonate, calcium oxide and caustic soda, and water-insoluble neutral salt calcium sulfate is generated after reaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324568.8A CN110975576A (en) | 2019-12-20 | 2019-12-20 | Desulfurization and dust removal equipment and process for lime production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911324568.8A CN110975576A (en) | 2019-12-20 | 2019-12-20 | Desulfurization and dust removal equipment and process for lime production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110975576A true CN110975576A (en) | 2020-04-10 |
Family
ID=70074006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911324568.8A Pending CN110975576A (en) | 2019-12-20 | 2019-12-20 | Desulfurization and dust removal equipment and process for lime production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110975576A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780932A (en) * | 2020-07-14 | 2020-10-16 | 王伟权 | Be used for underground water pipe leak source detection device |
| CN113521925A (en) * | 2021-08-02 | 2021-10-22 | 宁金萍 | Flue gas dust removal device |
| CN113648798A (en) * | 2021-07-29 | 2021-11-16 | 张陆军 | Flue gas desulfurization device |
| CN113663492A (en) * | 2021-10-22 | 2021-11-19 | 江苏绿源橡胶资源循环利用创新中心有限公司 | Vacuum pumping and collecting component of reclaimed rubber recovery desulfurization device |
| US11441729B2 (en) * | 2019-01-31 | 2022-09-13 | Qingdao university of technology | Device for recovering, separating and purifying oil mist in minimum quantity lubricant grinding process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206414914U (en) * | 2016-12-24 | 2017-08-18 | 临沂市华胜环保石灰窑研究所 | A kind of environmentally friendly moisture film desulfurating dust-removing equipment in limekiln |
| CN207024967U (en) * | 2017-07-14 | 2018-02-23 | 冀保程 | A kind of environment protection windspout water film dust removal device |
| CN109351169A (en) * | 2018-12-24 | 2019-02-19 | 陆炯 | Flue gas desulfurization device and its sulfur method |
-
2019
- 2019-12-20 CN CN201911324568.8A patent/CN110975576A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206414914U (en) * | 2016-12-24 | 2017-08-18 | 临沂市华胜环保石灰窑研究所 | A kind of environmentally friendly moisture film desulfurating dust-removing equipment in limekiln |
| CN207024967U (en) * | 2017-07-14 | 2018-02-23 | 冀保程 | A kind of environment protection windspout water film dust removal device |
| CN109351169A (en) * | 2018-12-24 | 2019-02-19 | 陆炯 | Flue gas desulfurization device and its sulfur method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11441729B2 (en) * | 2019-01-31 | 2022-09-13 | Qingdao university of technology | Device for recovering, separating and purifying oil mist in minimum quantity lubricant grinding process |
| CN111780932A (en) * | 2020-07-14 | 2020-10-16 | 王伟权 | Be used for underground water pipe leak source detection device |
| CN113648798A (en) * | 2021-07-29 | 2021-11-16 | 张陆军 | Flue gas desulfurization device |
| CN113648798B (en) * | 2021-07-29 | 2023-06-27 | 山东瑞龙环保科技有限公司 | Flue gas desulfurization device |
| CN113521925A (en) * | 2021-08-02 | 2021-10-22 | 宁金萍 | Flue gas dust removal device |
| CN113663492A (en) * | 2021-10-22 | 2021-11-19 | 江苏绿源橡胶资源循环利用创新中心有限公司 | Vacuum pumping and collecting component of reclaimed rubber recovery desulfurization device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110975576A (en) | Desulfurization and dust removal equipment and process for lime production | |
| CN107367172B (en) | A kind of new and effective flue gas desulphurization system | |
| CN202700306U (en) | Efficient wet type venturi pipe combined dedusting desulfurizer | |
| CN101157007A (en) | Whirling particle synthesis desulfurating dust collector | |
| CN204182256U (en) | A kind of washing degree of depth dust arrester | |
| CN204735075U (en) | Novel boiler flue gas dust removal ware | |
| CN206414914U (en) | A kind of environmentally friendly moisture film desulfurating dust-removing equipment in limekiln | |
| CN201684533U (en) | Wet dust removal desulfurizing unit | |
| CN104258668B (en) | A kind of washing degree of depth dust arrester | |
| CN210145779U (en) | Air cooling device with functions of eliminating smoke and efficiently and cooperatively removing pollutants | |
| CN201724237U (en) | Device for removing stack rain generated by discharge of desulfurization fume stack | |
| CN114832587B (en) | Slag flushing water desulfurization system | |
| CN201658918U (en) | Flue gas processing and recovering equipment of intermediate frequency furnace | |
| CN217939653U (en) | Multistage suction wet desulphurization, denitrification and dust removal device | |
| CN107297134B (en) | A kind of flue gas purification device of high desulfurization efficiency | |
| CN202460386U (en) | Smoke treatment equipment of kiln | |
| CN2751235Y (en) | Wet method divided flow rotating spray desulfurization and dust collection device | |
| CN204121959U (en) | A kind of desulfurizing tower based on spinning disk desulfurization method | |
| CN212369916U (en) | Spray-free efficient desulfurization device and spray-free desulfurization system | |
| CN2403484Y (en) | Wen's dust-removing and desulfurizing washer | |
| CN209093116U (en) | A kind of Multifunction water-saving stone desulphurization water dust scrubber | |
| CN201815231U (en) | Boiler flue gas desulphurization dust collector | |
| CN2440164Y (en) | Shower foam desulfurizing duster | |
| CN202933616U (en) | Anti-clogging chimney of desulfurization tower and smoke exhaust duct employing same | |
| CN203886354U (en) | Purifying system for smoke discharged from boilers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200410 |