CN111960449A - Solid waste recycling device for cement kiln - Google Patents
Solid waste recycling device for cement kiln Download PDFInfo
- Publication number
- CN111960449A CN111960449A CN202010905727.XA CN202010905727A CN111960449A CN 111960449 A CN111960449 A CN 111960449A CN 202010905727 A CN202010905727 A CN 202010905727A CN 111960449 A CN111960449 A CN 111960449A
- Authority
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- China
- Prior art keywords
- dust
- cement kiln
- screening
- solid waste
- waste recycling
- Prior art date
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- 239000004568 cement Substances 0.000 title claims abstract description 56
- 238000004064 recycling Methods 0.000 title claims abstract description 29
- 239000002910 solid waste Substances 0.000 title claims abstract description 29
- 239000000428 dust Substances 0.000 claims abstract description 99
- 238000002156 mixing Methods 0.000 claims abstract description 49
- 238000012216 screening Methods 0.000 claims abstract description 46
- 238000012545 processing Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 26
- 238000007664 blowing Methods 0.000 claims description 9
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims 2
- 239000000126 substance Substances 0.000 abstract description 6
- OUCNSFUASBNULY-UHFFFAOYSA-O [NH4+].[K].[O-][N+]([O-])=O Chemical compound [NH4+].[K].[O-][N+]([O-])=O OUCNSFUASBNULY-UHFFFAOYSA-O 0.000 abstract description 3
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 2
- 239000002956 ash Substances 0.000 description 12
- 238000007599 discharging Methods 0.000 description 11
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 238000000967 suction filtration Methods 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- HHSPVTKDOHQBKF-UHFFFAOYSA-J calcium;magnesium;dicarbonate Chemical compound [Mg+2].[Ca+2].[O-]C([O-])=O.[O-]C([O-])=O HHSPVTKDOHQBKF-UHFFFAOYSA-J 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- -1 iron ions Chemical class 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/18—Nitrates of ammonium
- C01C1/185—Preparation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D9/00—Nitrates of sodium, potassium or alkali metals in general
Abstract
The invention relates to the technical field of recycling of solid wastes, in particular to a cement kiln solid waste recycling device which comprises a dust remover and a screening mechanism arranged below the dust remover, wherein the bottom of the screening mechanism is communicated with a mixing mechanism, the screening mechanism comprises a screening bin, a vibrating screen is arranged in the screening bin, and a fan is arranged on the inner wall of the screening bin; the mixing mechanism comprises a mixing tank, the mixing tank is fixedly connected with the bottom of the screening bin, the bottom of the mixing tank is communicated with a three-way conveying pipe, and the outlet end of the three-way conveying pipe is respectively connected with an evaporator, a first collecting bin and a second collecting bin; according to the invention, the dust removal mechanism is used for removing dust in the dust removal bag, so that the adsorption quantity of kiln dust on the dust removal bag is reduced, and the utilization rate of cement kiln dust is improved; under the combined action of the vibrating screen and the fan, the cement kiln dust is effectively screened; the cement kiln dust with small granularity enters a mixing tank for chemical treatment, so that aluminum salt and potassium ammonium nitrate are obtained, and the comprehensive reutilization of solid waste is realized.
Description
Technical Field
The invention relates to the technical field of solid waste recycling, in particular to a cement kiln solid waste recycling device.
Background
In the cement production process, kiln dust is generated and is also called as return dust, and is collected by a kiln tail dust collector and a humidifying tower; and the collected kiln dust is added with the raw materials again for mixing and putting into production, so that the reutilization of the solid waste of the kiln dust is realized. In addition, the kiln dust contains iron, aluminum and potassium elements, and can be recovered for secondary utilization; the kiln dust also contains high-content fly ash which contains a small amount of dioxin; in production, the fly ash enters a cement production system again, and the recycled kiln dust increases the original emission concentration of dioxin through the de novo synthesis reaction of the dioxin under the action of high temperature, so that a large amount of solid-phase dioxin is converted into gas-phase dioxin, and the emission amount of the dioxin in waste gas is increased; therefore, how to overcome the above technical problems and disadvantages is a problem to be solved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a cement kiln solid waste recycling device which can effectively reduce dioxin and efficiently utilize kiln dust.
In order to achieve the purpose, the technical scheme of the invention is as follows: a cement kiln solid waste recycling device comprises a dust remover and a screening mechanism arranged below the dust remover, wherein the side wall of the screening mechanism is communicated with a coarse material processing mechanism, the bottom of the screening mechanism is communicated with a mixing mechanism, a dust removal bag is arranged on the inner side of the dust remover, a back-blowing mechanism is arranged above the outer part of a dust remover shell, an ash removal mechanism is arranged on the inner side of the dust removal bag, the ash removal mechanism comprises a main pipe, one end of the main pipe is connected with the back-blowing mechanism through a hose, and the other end of the main pipe is connected with a driving mechanism; the screening mechanism comprises a screening bin, a vibrating screen is arranged inside the screening bin, and a fan is arranged on the inner wall of the screening bin, which is close to one side of the coarse material processing mechanism; mixing mechanism includes the blending tank, the bottom fixed connection in blending tank and screening storehouse, one side of blending tank top is provided with the inlet, the opposite side of blending tank top is provided with hybrid motor, hybrid motor's output shaft end is connected with the agitator, the bottom intercommunication of blending tank has tee bend transport pipe, the exit end of tee bend transport pipe is connected with evaporimeter, first collection storehouse and second respectively and collects the storehouse.
Furthermore, the ash removal mechanism comprises a main pipe, a plurality of first branch pipes are communicated with the main pipe, a plurality of second branch pipes are communicated with the lower parts of the first branch pipes, a plurality of air outlets are formed in the left side edge and the right side edge of each second branch pipe, and dust removal beats are arranged on the front side edge and the rear side edge of each second branch pipe; the dust removal bat contacts the front and rear inner layers of the dust removal bag, so that the front and rear inner layers of the dust removal bag are removed.
Further, the driving mechanism comprises a driving motor, a placing table is welded on the side edge of the shell, a groove is formed in the placing table, an output shaft of the driving motor penetrates through the middle of the groove, a first gear is fixedly connected to the outer portion of the output shaft, the first gear is fixedly connected with the placing table, a rotating block is sleeved on the output shaft, a second gear meshed with the first gear is arranged at the bottom of the rotating block, and a crankshaft is arranged above the rotating block; under driving motor, the output shaft is rotatory, and then drives rotatory piece rotatory, and rotatory piece is rotatory to drive the second gear rotatory round first gear, and rotatory piece drives the bent axle and rotates.
Further, the other end of the main pipe is hinged with the crankshaft; the bent axle rotates, and then drives the person in charge and remove about, and under the drive of being responsible for, first minute pipe removes about, and then drives the second minute pipe and removes about, under the drive of second minute pipe, and the vibration is clapped in the dust removal to pat the dust removal bag, reduce the adnexed dust in dust removal bag surface.
Further, the dust removal bat is a flexible bat, and the surface of the dust removal bat is provided with a plurality of meshes; easy vibration, light weight and good flapping effect.
Furthermore, a vibration motor is fixedly connected to the outer wall of the screening bin, and the vibration motor is connected with a vibration screen; the vibrating motor rotates to drive the vibrating screen to work, cement kiln dust is screened, the smaller particles fall to the bottom of the screening bin, and the larger particles roll to the coarse material processing mechanism along the vibrating screen.
Further, the coarse material processing mechanism comprises a coarse material processing cavity, a feeding hole is formed above the coarse material processing cavity, a discharging hole is formed below the coarse material processing cavity, a stirring motor is fixedly arranged outside the coarse material processing cavity, and an output shaft end of the stirring motor is connected with a packing auger; the cement kiln dust and the raw materials with large particles are mixed in the coarse material processing mechanism and then enter the cement kiln again for recycling, so that the raw materials are saved, the cost is reduced, and the discharge amount of dioxin can be reduced.
Furthermore, a blanking electromagnetic valve is arranged at the bottom of the screening bin, a discharging electromagnetic valve is arranged at the bottom of the mixing tank, and an evaporation electromagnetic valve, a first electromagnetic valve and a second electromagnetic valve which are matched with the evaporator, the first collecting bin and the second collecting bin are respectively arranged at the branch positions of the three-way conveying pipe; the blanking electromagnetic valve, the discharging electromagnetic valve, the evaporation electromagnetic valve, the first electromagnetic valve and the second electromagnetic valve can be opened according to actual needs.
Further, a main pipe of the three-way conveying pipe is connected with a suction filter pump; the suction filtration pump can carry out suction filtration on substances such as sediment at the bottom of the mixing tank, and is convenient for separating the sediment and the liquid in the mixing tank.
The cement kiln solid waste recycling device has the beneficial effects that:
1. the cement kiln solid waste recycling device drives the ash removal mechanism to remove dust in the dust removal bag under the action of the driving mechanism, the left side and the right side of the second branch pipe are provided with a plurality of air outlets, and the back flushing device conveys gas into the dust removal bag with the help of the air outlets so as to remove dust in the dust removal bag; reduce the adsorption capacity of the cement kiln dust on the dust removal bag and improve the utilization rate of the cement kiln dust.
2. The cement kiln solid waste recycling device effectively screens cement kiln dust under the combined action of the vibrating screen and the fan, the cement kiln dust with smaller granularity falls to the bottom of the screening bin, and the cement kiln solid waste recycling device rolls to a coarse material processing mechanism along the vibrating screen with larger granularity. A fan is arranged on the inner wall of the screening bin, which is close to one side of the coarse material processing mechanism; under the effect of fan, less cement kiln ash receives great power of blowing and can not fall to coarse fodder processing agency to effectively sieve less cement kiln ash and great cement kiln ash, improve the effect of sieving.
3. The cement kiln solid waste recycling device enables the solid waste with smaller granularity to fall to the bottom of the screening bin, and then enters the mixing tank for chemical treatment, so that aluminum salt and potassium ammonium nitrate are obtained, the economic capacity of the device is improved, and the comprehensive recycling of the solid waste is realized.
Drawings
FIG. 1 is a schematic view showing the construction of a solid waste recycling apparatus for a cement kiln of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
fig. 3 is an enlarged schematic view of the driving apparatus of fig. 1.
Wherein: 1-a screening bin, 11-a vibrating screen, 12-a blanking electromagnetic valve, 13-a vibrating motor, 14-a fan, 2-a mixing tank, 21-a liquid inlet, 22-a mixing motor, 23-a stirrer, 24-a discharging electromagnetic valve, 25-a conveying pipe, 26-an evaporator, 27-a first collecting bin, 28-a second collecting bin, 29-an evaporation electromagnetic valve, 210-a first electromagnetic valve, 211-a second electromagnetic valve, 212-a suction filtration pump, 3-a dust remover, 31-a dust removal bag, 4-a coarse material processing cavity, 41-a material inlet, 42-a material outlet, 43-a screw conveyer, 44-a stirring motor, 5-a driving mechanism, 51-a driving motor, 52-a placing platform and 53-a first gear, 54-rotating block, 55-second gear, 56-crankshaft, 6-back blowing mechanism, 61-hose, 71-second branch pipe, 72-dust removing bat, 73-main pipe, 74-first branch pipe and 75-air outlet.
Detailed Description
The cement kiln solid waste recycling device of the present invention will be described in more detail below in detail by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 3, the cement kiln solid waste recycling device comprises a dust remover 3 and a screening mechanism arranged below the dust remover 3. A back-blowing mechanism 6 is arranged above the outer part of the shell of the dust remover 3, and the back-blowing mechanism 6 is an air blower. The inner side of the dust collector 3 is provided with a dust bag 31, and the inner side of the dust bag 31 is provided with an ash cleaning mechanism. Ash removal device includes and is responsible for 73, it has many first minute pipes 74 to be responsible for the intercommunication on the 73, first minute pipe 74 is responsible for 73 and the level setting in the dust bag 31 top perpendicularly, the below intercommunication of first minute pipe 74 has many second minute pipes 71, the second minute pipe 71 sets up at the dust bag 31 inboard perpendicularly, the side all is provided with a plurality of gas outlets 75 about the second minute pipe 71, the side all is provided with dust removal bat 72 around the second minute pipe 71, dust removal bat 72 is flexible bat, its surface is provided with a plurality of meshes, easy vibration, the quality is light, and big with dust bag 31 area of contact, the dust removal is fast and even, the dust removal effect is good. The outer sides of the dust-removing flaps 72 arranged on the second branch pipes 71 at the two end parts of the first branch pipe 74 are contacted with the two inner walls of the dust-removing bag 31. So that the dust removing racket 72 contacts the front and rear inner layers of the dust removing bag 31 during the movement of the first branch pipe 74, thereby removing dust from the front and rear inner layers of the dust removing bag 31. One end of the main pipe 73 is connected to the blowback mechanism 6 via the hose 61, and the other end of the main pipe 73 is connected to the drive mechanism 5.
As shown in fig. 1 and 2, the driving mechanism 5 includes a driving motor 51, the casing has a supporting plate in the outside welding, the driving motor 51 is placed above the supporting plate, the side welding of casing has a placing table 52, be provided with circular recess in the placing table 52, the output shaft of driving motor 51 runs through the middle part of recess and the outside fixedly connected with first gear 53 of output shaft, first gear 53 and placing table 52 fixed connection, rotatory piece 54 has been cup jointed on the output shaft, rotatory piece 54 is the L type, rotatory piece 54 comprises horizontal part or vertical portion, the bottom of the horizontal part of rotatory piece 54 is provided with the second gear 55 with first gear 53 intermeshing, the diameter of first gear 53 and second gear 55 with equal to the width of dust bag 31, thereby make the second branch pipe 71 can contact with the left and right sides of dust bag 31. A crankshaft 56 is fixedly connected to the upper side of the vertical portion of the rotating block 54, and the crankshaft 56 is hinged to the other end of the main pipe 73. When the driving motor 51 is driven, the output shaft rotates, which in turn drives the rotation block 54 to rotate, the rotation block 54 rotates to drive the second gear 55 to rotate around the first gear 53, and the rotation block 54 drives the crankshaft 56 to rotate. The crankshaft 56 rotates to drive the main pipe 73 to move left and right, the first branch pipe 74 moves left and right under the drive of the main pipe 73 to drive the second branch pipe 71 to move left and right, and the dust removal bat 72 vibrates under the drive of the second branch pipe 71, so that the dust removal bags 31 are beaten, and cement kiln dust attached to the surfaces of the dust removal bags 31 is reduced.
As shown in fig. 1, the side wall of the screening mechanism is communicated with a coarse material processing mechanism, the screening mechanism comprises a screening bin 1, a vibrating screen 11 is arranged in the screening bin 1, a vibrating motor 13 is fixedly connected to the outer wall of the screening bin 1, and the vibrating motor 13 is connected with the vibrating screen 11; the vibrating motor 13 rotates to drive the vibrating screen to work to screen cement kiln dust, the cement kiln dust with smaller granularity falls to the bottom of the screening bin 1, and the cement kiln dust with larger granularity rolls to the coarse material processing mechanism along the vibrating screen 11. A fan 14 is arranged on the inner wall of the screening bin 1 close to one side of the coarse material processing mechanism; under the action of the fan 14, the smaller cement kiln dust is subjected to larger blowing force and cannot fall to the coarse material processing mechanism, so that the smaller cement kiln dust and the larger cement kiln dust are effectively screened, and the screening effect is improved. The coarse material processing mechanism comprises a coarse material processing cavity 4, and a feed inlet 41 is arranged above the coarse material processing cavity 4 and used for adding raw materials. A discharge port 42 is provided below the coarse material processing chamber 4 for discharging a mixture of cement kiln dust and raw meal. A stirring motor 44 is fixedly arranged outside the coarse material processing cavity 4, and the output shaft end of the stirring motor 44 is connected with a packing auger 43; the cement kiln dust and the raw materials with large particles are mixed in the coarse material processing mechanism and then enter the cement kiln again for recycling, so that the raw materials are saved, the cost is reduced, and the discharge amount of dioxin can be reduced.
As shown in fig. 1, the bottom intercommunication of screening mechanism has mixing mechanism, and mixing mechanism includes blending tank 2, and blending tank 2 and the bottom fixed connection who screens storehouse 1, the bottom of screening storehouse 1 are provided with unloading solenoid valve 12, and unloading solenoid valve 12 can control the time that less cement kiln ash in the screening mechanism got into the mixing mechanism, makes it can react in batches. A liquid inlet 21 is arranged on one side above the mixing tank 2, a mixing motor 22 is arranged on the other side above the mixing tank 2, and an output shaft end of the mixing motor 22 is connected with a stirrer 23. A bearing is fixedly arranged on the inner wall of the mixing tank 2, and one end of the stirrer 23 far away from the mixing motor 22 is arranged in the bearing. A discharge electromagnetic valve 24 is arranged at the bottom of the mixing tank 2, a three-way conveying pipe 25 communicated with the bottom of the mixing tank 2 is arranged on the discharge electromagnetic valve 24, and a main pipe of the three-way conveying pipe 25 is connected with a suction filter pump 212; the suction pump 212 can suction filter substances such as sediment at the bottom of the mixing tank 2, so that the sediment and the liquid in the mixing tank 2 can be conveniently separated. The outlet ends of the branch pipes of the three-way transport pipe 25 are respectively connected with an evaporator 26, a first collection bin 27 and a second collection bin 28. The branch of the three-way transport pipe 25 is respectively provided with an evaporation electromagnetic valve 29, a first electromagnetic valve 210 and a second electromagnetic valve 211 which are matched with the evaporator 26, the first collection bin 27 and the second collection bin 28; the blanking solenoid valve 12, the discharging solenoid valve 24, the evaporation solenoid valve 29, the first solenoid valve 210 and the second solenoid valve 211 can be opened according to actual needs.
The operation process of the invention is as follows: under driving motor's drive, the output shaft is rotatory, and then drives rotatory piece rotatory, and rotatory piece is rotatory to drive the second gear rotatory round first gear, and rotatory piece drives the bent axle rotation. The bent axle rotates, and then drives the person in charge and remove about, and under the drive of being responsible for, first minute pipe removes about, and then drives the second minute pipe and removes about, under the drive of second minute pipe, and the vibration is clapped in the dust removal to all clap the front and back left and right sides inlayer of dust removal bag, reduce the adnexed dust in dust removal bag surface. Simultaneously, the blowback device passes through the hose and is connected with being responsible for to make gaseous through being responsible for, first minute pipe, the second is in charge of and the gas outlet carries out the gas transmission, removes dust to the dirt pocket under the help of gas outlet, makes the cement kiln ash on dirt pocket surface fall to screening storehouse in, under the combined action of shale shaker and fan, sieves cement kiln ash, and the granularity is less falls to screening storehouse bottom, and the granule is great rolls to coarse fodder processing agency along the shale shaker. The cement kiln dust with larger particles and the raw meal are mixed in the coarse material processing mechanism and then enter the cement kiln again for recycling.
And (2) allowing cement kiln dust with small particles to enter a mixing mechanism, adding nitric acid into the mixing mechanism to precipitate iron ions in the cement kiln dust, adding single flying powder, neutralizing redundant nitric acid in the solution, aging, simultaneously opening a discharging electromagnetic valve, a first electromagnetic valve and a suction filter pump, discharging acid insoluble substances and iron in the mixing mechanism through the suction filter pump, and allowing the acid insoluble substances and the iron to enter a first collection bin. Then adding an ammonia water solution into the mixing mechanism, so that aluminum ions in the cement kiln dust are precipitated into aluminum hydroxide precipitates, opening the discharging electromagnetic valve, the second electromagnetic valve and the suction filter pump simultaneously after aging, discharging the aluminum hydroxide precipitates in the mixing mechanism through the suction filter pump, and enabling the aluminum hydroxide to enter a second collection bin, wherein the aluminum hydroxide can be used for producing aluminum nitrate or other aluminum salts; and then simultaneously opening the discharging electromagnetic valve and the evaporation electromagnetic valve again to enable the liquid in the mixing mechanism to flow into the evaporator, adding an ammonium bicarbonate solution into the evaporator and heating to generate calcium magnesium carbonate, removing the calcium magnesium carbonate again, and evaporating and concentrating the residual solution to obtain the potassium ammonium nitrate.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.
Claims (9)
1. The utility model provides a cement kiln solid waste recycling device, includes the dust remover and installs the screening mechanism in the dust remover below, the lateral wall intercommunication of screening mechanism has coarse fodder processing agency, the bottom intercommunication of screening mechanism has mixing mechanism, the inboard of dust remover is provided with dust removal bag, its characterized in that: a back-blowing mechanism is arranged above the outer part of the dust collector shell, an ash cleaning mechanism is arranged on the inner side of the dust collection bag, the ash cleaning mechanism comprises a main pipe, one end of the main pipe is connected with the back-blowing mechanism through a hose, and the other end of the main pipe is connected with a driving mechanism; the screening mechanism comprises a screening bin, a vibrating screen is arranged inside the screening bin, and a fan is arranged on the inner wall of the screening bin, which is close to one side of the coarse material processing mechanism; mixing mechanism includes the blending tank, the bottom fixed connection in blending tank and screening storehouse, one side of blending tank top is provided with the inlet, the opposite side of blending tank top is provided with hybrid motor, hybrid motor's output shaft end is connected with the agitator, the bottom intercommunication of blending tank has tee bend transport pipe, the exit end of tee bend transport pipe is connected with evaporimeter, first collection storehouse and second respectively and collects the storehouse.
2. The cement kiln solid waste recycling apparatus as set forth in claim 1, wherein: the deashing mechanism includes and is responsible for, the intercommunication has many first minutes pipes in being responsible for, the below intercommunication that first minute was managed has many second minutes pipes, the side all is provided with a plurality of gas outlets about the second is managed, the side all is provided with the dust removal bat around the second is managed.
3. The cement kiln solid waste recycling apparatus as set forth in claim 1, wherein: actuating mechanism includes driving motor, the side welding of casing has the platform of placing, it is provided with the recess to place the bench, driving motor's output shaft runs through the middle part of recess and the first gear of the outside fixedly connected with of output shaft, first gear and place a fixed connection, rotatory piece has been cup jointed on the output shaft, the bottom of rotatory piece is provided with the second gear with first gear intermeshing, the top of rotatory piece is provided with the bent axle.
4. The cement kiln solid waste recycling apparatus as set forth in claim 3, wherein: the other end of the main pipe is hinged with the crankshaft.
5. The cement kiln solid waste recycling apparatus as set forth in claim 2, wherein: the dust removal bat is a flexible bat, and the surface of the dust removal bat is provided with a plurality of meshes.
6. The cement kiln solid waste recycling apparatus as set forth in claim 1, wherein: fixedly connected with shock dynamo on the outer wall in screening storehouse, shock dynamo is connected with the reciprocating sieve.
7. The cement kiln solid waste recycling apparatus as set forth in claim 1, wherein: the coarse fodder processing agency includes coarse fodder processing chamber, the top in coarse fodder processing chamber is provided with the feed inlet, the below in coarse fodder processing chamber is provided with the discharge gate, the fixed agitator motor that is provided with in outside in coarse fodder processing chamber, agitator motor's output shaft end is connected with the auger.
8. The cement kiln solid waste recycling apparatus as set forth in claim 1, wherein: the bottom in screening storehouse is provided with the unloading solenoid valve, the bottom of blending tank is provided with ejection of compact solenoid valve, the branch punishment of tee bend transport pipe is provided with respectively collects the supporting evaporation solenoid valve, first solenoid valve and the second solenoid valve that use in storehouse with evaporimeter, first collection storehouse and second.
9. The cement kiln solid waste recycling apparatus as set forth in claim 1, wherein: and the main pipe of the three-way conveying pipe is connected with a suction filter pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010905727.XA CN111960449A (en) | 2020-09-01 | 2020-09-01 | Solid waste recycling device for cement kiln |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010905727.XA CN111960449A (en) | 2020-09-01 | 2020-09-01 | Solid waste recycling device for cement kiln |
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| CN111960449A true CN111960449A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010905727.XA Pending CN111960449A (en) | 2020-09-01 | 2020-09-01 | Solid waste recycling device for cement kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113828074A (en) * | 2021-10-22 | 2021-12-24 | 华能洛阳热电有限责任公司 | Shake and beat formula dust remover |
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