CN113413752A - Industrial flue gas desulfurization and purification treatment process - Google Patents
Industrial flue gas desulfurization and purification treatment process Download PDFInfo
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- CN113413752A CN113413752A CN202110698109.7A CN202110698109A CN113413752A CN 113413752 A CN113413752 A CN 113413752A CN 202110698109 A CN202110698109 A CN 202110698109A CN 113413752 A CN113413752 A CN 113413752A
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- gas desulfurization
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- 239000003546 flue gas Substances 0.000 title claims abstract description 85
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 68
- 230000023556 desulfurization Effects 0.000 title claims abstract description 68
- 238000000746 purification Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000008569 process Effects 0.000 title claims abstract description 23
- 238000000227 grinding Methods 0.000 claims abstract description 158
- 239000000843 powder Substances 0.000 claims abstract description 70
- 238000003756 stirring Methods 0.000 claims abstract description 63
- 238000012216 screening Methods 0.000 claims abstract description 53
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 50
- 239000011707 mineral Substances 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 53
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 49
- 229910052748 manganese Inorganic materials 0.000 claims description 48
- 239000011572 manganese Substances 0.000 claims description 48
- 235000010755 mineral Nutrition 0.000 claims description 44
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 7
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims description 6
- 229940099596 manganese sulfate Drugs 0.000 claims description 6
- 239000011702 manganese sulphate Substances 0.000 claims description 6
- 235000007079 manganese sulphate Nutrition 0.000 claims description 6
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 claims description 6
- 238000006722 reduction reaction Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000002146 bilateral effect Effects 0.000 claims 2
- 238000007873 sieving Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 21
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Inorganic materials O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 239000004575 stone Substances 0.000 description 4
- 239000010419 fine particle Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003621 hammer milling Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
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Classifications
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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
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/14—Stamping mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/602—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to an industrial flue gas desulfurization and purification treatment process, which uses an auxiliary industrial flue gas desulfurization and purification treatment device, wherein the auxiliary industrial flue gas desulfurization and purification treatment device comprises a bottom plate, a mineral powder grinding mechanism and an ore pulp stirring mechanism, and the ore pulp stirring mechanism and the mineral powder grinding mechanism are sequentially arranged in the middle of the upper end surface of the bottom plate from bottom to top. The invention can solve the problems that the prior industrial flue gas desulfurization and purification treatment device can not carry out grading grinding and screening on the rough ores, so that the mineral powder particles are too large to influence the full contact absorption of the ore pulp and the flue gas, and the flue gas desulfurization efficiency and the desulfurization effect are influenced, and can also solve the problems that the prior industrial flue gas desulfurization and purification treatment device can not fully and uniformly stir the mineral powder, so that the mineral powder is easy to bond when forming the ore pulp after contacting with water, the uniformity of the mineral powder in the ore pulp is poor, and the use effect of the ore pulp is poor.
Description
Technical Field
The invention relates to the technical field of flue gas desulfurization, and particularly provides an industrial flue gas desulfurization and purification treatment process.
Background
Flue gas desulfurization refers to the removal of sulfur oxides from flue gases or other industrial waste gases. With the development of industry and the improvement of living standard of people, the desire for energy is continuously increased, and SO2 in the coal-fired flue gas becomes a main cause of air pollution. The reduction of SO2 pollution is a urgent issue in the current atmospheric environmental management. Many flue gas desulfurization processes have been widely used in industry, and have important practical significance for the treatment of tail gas of various boilers and incinerators. The pyrolusite method flue gas desulfurization resource technology is a common method for industrial flue gas desulfurization, and the principle is as follows: MnO2 is a good desulfurizing agent, and MnO2 and SO2 undergo redox reaction in an aqueous solution to generate MnSO 4. The pyrolusite method flue gas desulfurization is based on the principle that pyrolusite pulp is used as an absorbent, gas, liquid and solid are turbulent vigorously, and the ore pulp is fully contacted and absorbed with flue gas containing SO2 to generate a byproduct of industrial manganese sulfate. The desulfurization rate of the process can reach 90 percent, the leaching rate of manganese ore is 80 percent, and the product manganese sulfate meets the requirement of industrial manganese sulfate. The soft and hard raw ore needs to be ground by mineral powder in order to make the ore pulp fully contact with the flue gas containing SO2 for absorption.
When carrying out the powdered ore grinding to soft manganese ore crude stone, need to grind the screening and use supplementary flue gas desulfurization purification unit to manganese ore crude stone: at present, the existing industrial flue gas desulfurization and purification treatment device has the following defects: 1. the existing industrial flue gas desulfurization and purification treatment device cannot carry out grading grinding and screening on manganese ore crude stones, so that the ore powder particles are too large to influence the full contact absorption of ore pulp and flue gas, and the flue gas desulfurization efficiency and desulfurization effect are influenced; 2. the existing industrial flue gas desulfurization purification treatment device cannot fully and uniformly stir mineral powder, so that the mineral powder is easy to bond when forming ore pulp after being contacted with water, the uniformity of the mineral powder in the ore pulp is poor, and the use effect of the ore pulp is poor.
Based on the problems, the invention provides an industrial flue gas desulfurization and purification treatment process, and particularly relates to an industrial flue gas desulfurization and purification treatment device.
Disclosure of Invention
In order to solve the problems, the invention provides an industrial flue gas desulfurization and purification treatment process, which is used for solving the problems mentioned in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides an industrial flue gas desulfurization purification treatment process, its has used an auxiliary industrial flue gas desulfurization purification treatment device, this auxiliary industrial flue gas desulfurization purification treatment device includes bottom plate, powdered ore grinding mechanism and ore pulp rabbling mechanism, bottom plate up end middle part from supreme ore pulp rabbling mechanism and the powdered ore grinding mechanism of installing in proper order down.
When the auxiliary industrial flue gas desulfurization and purification treatment device is used for purifying and treating industrial flue gas, the method specifically comprises the following steps:
s1: crushing and grinding: after primary crushing of manganese ore by a crusher, putting the manganese ore into a grinding box through a feed inlet, and carrying out primary grinding on the manganese ore by a grinding roller;
s2: fine hammer screening: carrying out secondary fine hammer grinding on manganese ore particles formed after primary grinding through the matching of the reciprocating branched chain and the hammer grinding branched chain to form fine ore powder, and screening the fine ore powder through the vibration screening branched chain;
s3: stirring ore pulp: the screened mineral powder falls into a mineral slurry box, and is fully mixed with water through a stirring paddle to form mineral slurry;
s4: flue gas desulfurization: the prepared ore pulp is placed in an exhaust pipe for discharging industrial flue gas, when the flue gas passes through the ore pulp, sulfur dioxide and manganese oxide can perform a reduction reaction to form manganese sulfate, and the sulfur dioxide in the industrial flue gas is removed.
The mineral powder grinding mechanism comprises a grinding box, a feeding port, a grinding motor, a transmission shaft, a grinding roller, a fine powder barrel, a reciprocating branched chain, a hammer grinding branched chain and a vibration screening branched chain, wherein the grinding box is arranged above the middle part of the base plate and is of a hollow round table structure, the feeding port is symmetrically arranged on the left side and the right side of the upper end surface of the grinding box, the grinding motor is arranged in the middle of the upper end surface of the grinding box through a motor base, the transmission shaft is arranged on an output shaft of the grinding motor through a coupler, the grinding roller is arranged on the transmission shaft, the fine powder barrel is arranged on the lower end surface of the grinding box, the reciprocating branched chain is arranged in the fine powder barrel, the reciprocating branched chain is arranged on the transmission shaft, the hammer grinding branched chain is symmetrically arranged on the upper side and the lower side of the reciprocating branched chain, and the vibration screening branched chain is arranged at the lower end of the transmission shaft.
The ore pulp rabbling mechanism include ore pulp case, (mixing) shaft, stirring rake, stirring wheel, drive wheel, belt and agitator motor, bottom plate up end middle part be provided with the ore pulp case, the ore pulp incasement is filled with the water that is used for the ore pulp to mix, the terminal surface can be dismantled with fine powder bucket down to the ore pulp case up end and be connected, the (mixing) shaft is installed through bearing longitudinal symmetry in the ore pulp incasement, be provided with the stirring rake on the (mixing) shaft, the stirring wheel is installed to the (mixing) shaft right-hand member, is provided with the drive wheel below the stirring wheel, is connected through the belt between drive wheel and the stirring wheel, drive wheel and agitator motor's output shaft, agitator motor passes through the motor cabinet and installs on the bottom plate.
As a preferred technical scheme of the invention, the reciprocating branched chain comprises a support plate, T-shaped rods, a telescopic spring, a reciprocating plate and a reciprocating cam, wherein the support plate is symmetrically arranged on the transmission shaft up and down through a bearing, sliding grooves are symmetrically formed in the support plate left and right, the T-shaped rods are arranged in the sliding grooves in a sliding fit mode, the telescopic spring is arranged between the T-shaped rods and the sliding grooves, one ends of the T-shaped rods, far away from the telescopic spring, are connected with the reciprocating plate, the reciprocating cam is symmetrically arranged on the transmission shaft up and down through splines, and the reciprocating cam is positioned between the upper support plate and the lower support plate and is always in contact with the reciprocating plate.
As a preferred technical scheme of the invention, the hammer grinding branch chain comprises a hammer grinding frame, a compression spring, a hammer grinding rod and a hammer grinding head, wherein the hammer grinding frame is vertically and symmetrically arranged on one end surface of the reciprocating plate far away from the transmission shaft, the compression spring is uniformly arranged in the hammer grinding frame, the other end of the compression spring is connected with the hammer grinding rod, and the hammer grinding head is arranged on the hammer grinding rod.
According to the preferable technical scheme, the cross section of the hammer mill head is of a semicircular structure, the inner wall of the fine powder barrel is provided with the fine grinding wall, the cross section of the fine grinding wall is of a triangular structure, semicircular hammer mill grooves matched with the hammer mill head are symmetrically formed in the fine grinding wall, and the hammer mill grooves and the hammer mill head are matched with each other to perform secondary hammering grinding on the manganese ore, so that the manganese ore can be ground more fully, the formed ore powder is finer, and the concentration of ore pulp manufacturing is favorably improved.
As a preferred technical scheme of the invention, the vibration screening branched chain comprises vibration springs, a screening net, a first bevel gear, a second bevel gear, a transmission rod and a screening cam, the vibration springs are symmetrically arranged at the left and right sides of the lower end of the fine grinding wall, the lower ends of the vibration springs are connected with the screening net, the first bevel gear is mounted at the lower end of the transmission shaft, the second bevel gear is meshed and connected with the left and right sides of the first bevel gear, the transmission rod is mounted on the second bevel gear, the other end of the transmission rod is connected with the screening cam, and the screening cam is always in sliding contact with the screening net.
According to a preferred technical scheme of the invention, the shaft sleeve is sleeved in the middle of the transmission rod, the outer wall of the shaft sleeve is connected with the supporting rod, the other end of the supporting rod is installed on the ore pulp box, the baffle plates with triangular sections are symmetrically arranged on the left and right sides of the screening net, the supporting rod and the shaft sleeve play a role in supporting and limiting the transmission rod, the transmission rod can rotate stably, the baffle plates play a role in blocking and limiting the ore powder, the condition that the ore powder falls into the ore pulp box without being screened can be prevented, and the ore pulp manufacturing quality can be improved.
As a preferred technical scheme, the grinding roller is of a truncated cone structure, grinding balls matched with the grinding roller are uniformly arranged on the outer wall of the grinding roller and the inner wall of the grinding box, when the grinding roller works, the grinding balls on the grinding roller and the grinding balls on the inner wall of the grinding box can collide with each other and rub each other, manganese ore can be ground into fine particles when the grinding roller is in contact with the manganese ore, the grinding roller is of a truncated cone structure and can be matched with the grinding box, the contact gradient can slow down the falling time of the manganese ore, the manganese ore can be ground for multiple times within the same time, and the grinding effect on the manganese ore is improved.
As a preferred technical scheme of the invention, the spiral stirring paddles are arranged in a staggered manner, and when the spiral stirring paddle device works, the spiral stirring paddles are arranged in a staggered manner, so that mineral powder and water can be fully and uniformly mixed when the spiral stirring paddle device rotates, the mineral powder can be prevented from being bonded with each other, the quality of ore pulp can be improved, and the desulfurization effect of flue gas can be improved.
The technical scheme has the following advantages or beneficial effects:
1. the industrial flue gas desulfurization and purification treatment process provided by the invention can solve the problems that the mineral powder particles are too large to influence the full contact absorption of ore pulp and flue gas and influence the flue gas desulfurization efficiency and desulfurization effect because the conventional industrial flue gas desulfurization and purification treatment device cannot carry out grading grinding and screening on the strong ore crude stones, and also can solve the problems that the mineral powder is easy to bond when being formed into ore pulp after being contacted with water, the uniformity of the mineral powder in the ore pulp is poor and the use effect of the ore pulp is poor because the conventional industrial flue gas desulfurization and purification treatment device cannot fully and uniformly stir the mineral powder.
2. According to the industrial flue gas desulfurization and purification treatment process, the reciprocating branched chain and the hammer mill branched chain are matched to carry out secondary hammer milling on the manganese ore subjected to primary grinding, so that the manganese ore can be ground more fully, the formed mineral powder is finer, the concentration of ore pulp manufacturing is favorably improved, and the vibration screening branched chain can carry out vibration screening on the ground mineral powder, so that the quality of the ore pulp is favorably improved.
3. According to the industrial flue gas desulfurization and purification treatment process provided by the invention, the ore pulp stirring mechanism can fully mix the mineral powder and the water to form the ore pulp, the two spiral stirring paddles are staggered and arranged to fully mix the mineral powder and the water uniformly when rotating, so that the mineral powder can be prevented from being bonded with each other, the concentration of a manganese element contained in the ore pulp can be improved, the ore pulp and the flue gas can be fully contacted and absorbed, the desulfurization effect of the flue gas can be improved, the pollution of the industrial flue gas to the environment can be reduced, and the environment can be protected.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a process flow diagram of a desulfurization and purification treatment process for industrial flue gas provided by the invention;
FIG. 2 is a schematic perspective view of an industrial flue gas desulfurization and purification treatment device provided by the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view of an industrial flue gas desulfurization purification treatment device according to the present invention;
FIG. 5 is an enlarged schematic view of the structure at B in FIG. 4 according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 4 at E in accordance with the present invention;
fig. 7 is a schematic perspective view of the grinding roller according to the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.
Referring to the attached drawings 1-7, an industrial flue gas desulfurization and purification treatment process uses an auxiliary industrial flue gas desulfurization and purification treatment device, the auxiliary industrial flue gas desulfurization and purification treatment device comprises a bottom plate 1, a mineral powder grinding mechanism 2 and an ore pulp stirring mechanism 3, and the ore pulp stirring mechanism 3 and the mineral powder grinding mechanism 2 are sequentially installed in the middle of the upper end face of the bottom plate 1 from bottom to top.
When the auxiliary industrial flue gas desulfurization and purification treatment device is used for purifying and treating industrial flue gas, the method specifically comprises the following steps:
s1: crushing and grinding: manganese ore is firstly crushed by a crusher and then is put into a grinding box 21 through a feed inlet 22, a transmission shaft 24 is driven to rotate through a grinding motor 23, a grinding roller 25 arranged on the transmission shaft 24 can be driven to rotate, when the grinding roller 25 rotates, grinding balls on the grinding roller 25 can collide with grinding balls on the inner wall of the grinding box 21 to rub with each other, manganese ore can be ground into fine particles when the manganese ore is contacted, the grinding roller 25 is of a circular table structure and can be matched with the inner wall of the grinding box 21, meanwhile, the falling time of the manganese ore can be slowed down due to the inclined arrangement of the inner wall of the grinding box 21, the manganese ore can be ground for multiple times within the same time, and the grinding effect on the manganese ore can be improved;
s2: fine hammer screening: manganese ore particles formed after primary grinding are subjected to secondary fine hammer grinding through the matching of the reciprocating branched chain 27 and the hammer grinding branched chain 28 to form fine mineral powder, the reciprocating cam 275 arranged on the transmission shaft 24 can be driven to rotate through the rotation of the transmission shaft 24, the reciprocating cam 275 can extrude the reciprocating plate 274 in contact with the reciprocating cam to reciprocate left and right when rotating, the hammer grinding frame 281 can also reciprocate left and right under the left and right pushing of the reciprocating plate 274, the hammer grinding head 284 can reciprocate in the direction close to the hammer grinding groove, the compression spring 282 is in a compression state when the hammer grinding head 284 approaches the hammer grinding groove, the primarily ground manganese ore can be subjected to secondary hammer grinding through the reciprocating hammer grinding groove of the hammer grinding head 284, the purpose of grinding the manganese ore particles into the hammer mineral powder is achieved, the crushing degree of the manganese ore can be improved, and the concentration of ore pulp production can be increased, the desulfurization effect on the flue gas is improved, the mineral powder can be subjected to vibration screening by the vibration screening branch chain 29, the manganese ore entering the ore pulp box 31 is ensured to be mineral powder instead of manganese ore particles, the quality of ore pulp is improved, the desulfurization efficiency and the desulfurization effect on the flue gas can be improved, the pollution of industrial flue gas to the environment is reduced, and the environment is protected;
s3: stirring ore pulp: the screened mineral powder falls into the ore pulp box 31, when the stirring shaft 32 rotates, the falling mineral powder and water can be fully mixed to form ore pulp through the stirring paddles 33, and the two spiral stirring paddles 33 are staggered to fully and uniformly mix the mineral powder and the water when rotating, so that the mineral powder can be prevented from being bonded with each other, the quality of the ore pulp can be improved, and the desulfurization effect of flue gas can be improved;
s4: flue gas desulfurization: the prepared ore pulp is placed in an exhaust pipe for discharging industrial flue gas, when the flue gas passes through the ore pulp, sulfur dioxide and manganese oxide can perform a reduction reaction to form manganese sulfate, and the sulfur dioxide in the industrial flue gas is removed.
The mineral powder grinding mechanism 2 comprises a grinding box 21, a feeding hole 22, a grinding motor 23, a transmission shaft 24, a grinding roller 25, a fine powder barrel 26, a reciprocating branched chain 27, a hammer grinding branched chain 28 and a vibration screening branched chain 29, wherein the grinding box 21 is arranged above the middle part of the base plate 1, the grinding box 21 is of a hollow circular table structure, the feeding hole 22 is symmetrically arranged on the upper end surface of the grinding box 21 in the left-right direction, the grinding motor 23 is arranged in the middle part of the upper end surface of the grinding box 21 through a motor base, the transmission shaft 24 is arranged on an output shaft of the grinding motor 23 through a coupler, the grinding roller 25 is arranged on the transmission shaft 24, the fine powder barrel 26 is arranged on the lower end surface of the grinding box 21, the reciprocating branched chain 27 is arranged in the fine powder barrel 26, the reciprocating branched chain 27 is arranged on the transmission shaft 24, the hammer grinding branched chain 28 is symmetrically arranged on the upper and lower parts of the reciprocating branched chain 27, the vibration screening branched chain 29 is arranged on the lower end of the transmission shaft 24, the grinding roller 25 is of a circular truncated cone structure, and grinding balls matched with each other are uniformly arranged on the outer wall of the grinding roller 25 and the inner wall of the grinding box 21, when the manganese ore enters the grinding box 21 after being primarily crushed by the crusher, the grinding box 21 can be used as a reaction container for grinding the manganese ore, the transmission shaft 24 is driven to rotate by the grinding motor 23, the grinding roller 25 arranged on the transmission shaft 24 can be driven to rotate, when the grinding roller 25 rotates, the grinding balls on the grinding roller 25 can collide with the grinding balls on the inner wall of the grinding box 21 for friction, the manganese ore can be ground into fine particles when being contacted with the manganese ore, the grinding roller 25 is of a circular truncated cone structure and can be matched with the inner wall of the grinding box 21, meanwhile, the falling time of the manganese ore can be slowed down by the inclined gradient of the inner wall of the grinding box 21, the manganese ore can be ground for multiple times within the same time, and the grinding effect of the manganese ore can be improved, the fine powder barrel 26 plays a role in matching with the hammer mill branch chain 28 to perform secondary hammering grinding on the ground manganese ore, the reciprocating branch chain 27 can continuously perform reciprocating hammering grinding on the manganese ore in a left-right reciprocating mode on the hammer mill branch chain 28, the primarily ground manganese ore particles are finer to form mineral powder, the vibration screening branch chain 29 can perform vibration screening on the mineral powder, the fact that the manganese ore entering the mineral slurry box 31 is the mineral powder rather than the manganese ore particles is ensured, the quality of the mineral slurry is improved, the desulfurization efficiency and the desulfurization effect of the flue gas can be improved, the pollution of industrial flue gas to the environment is reduced, and the environment protection is facilitated.
The reciprocating branched chain 27 comprises a supporting plate 271, a T-shaped rod 272, a telescopic spring 273, a reciprocating plate 274 and a reciprocating cam 275, the supporting plate 271 is symmetrically arranged on the transmission shaft 24 up and down through a bearing, sliding grooves are symmetrically arranged on the supporting plate 271 left and right, the T-shaped rod 272 is arranged in the sliding grooves in a sliding fit mode, the telescopic spring 273 is arranged between the T-shaped rod 272 and the sliding grooves, one end of the T-shaped rod 272, far away from the telescopic spring 273, is connected with the reciprocating plate 274, the reciprocating cam 275 is symmetrically arranged on the transmission shaft 24 up and down through splines, the reciprocating cam 275 is positioned between the upper supporting plate 271 and the lower supporting plate 271 and the reciprocating cam 275 is always contacted with the reciprocating plate 274, during specific work, the supporting plate 271 plays a role of supporting the T-shaped rod 272 and the reciprocating plate 274, the reciprocating cam 275 arranged on the transmission shaft 24 can be driven to rotate through the rotation of the transmission shaft 24, and the reciprocating cam 275 can extrude the reciprocating plate 274 contacted with the reciprocating plate 274 to reciprocate left and right during rotation, the extension spring 273 can play the effect of restoring to the throne to T type pole 272, and extension spring 273 is in tensile state when the protruding part of reciprocal cam 275 contacts with reciprocating plate 274, and on the contrary the spring force of extension spring 273 can make T type pole 272 restore to the throne, moves to being close to transmission shaft 24 one end, and reciprocating can realize providing the purpose of reciprocating thrust to hammer mill frame 281 like this, is favorable to increasing the hammer mill number of times to manganese ore, improves the hammer mill effect of manganese ore.
The hammer mill branched chain 28 comprises a hammer mill frame 281, a compression spring 282, a hammer mill rod 283 and a hammer mill head 284, wherein the hammer mill frame 281 is vertically and symmetrically arranged on one end surface of the reciprocating plate 274 far away from the transmission shaft 24, the compression spring 282 is uniformly arranged in the hammer mill frame 281, the other end of the compression spring 282 is connected with the hammer mill rod 283, the hammer mill head 284 is arranged on the hammer mill rod 283, the cross section of the hammer mill head 284 is of a semicircular structure, a fine grinding wall is arranged on the inner wall of the fine grinding barrel 26, the cross section of the fine grinding wall is of a triangular structure, semicircular hammer mill grooves matched with the hammer mill head 284 are symmetrically arranged on the fine grinding wall, during specific work, the hammer mill frame 281 can perform left-right reciprocating motion under the left-right pushing of the reciprocating plate 274, so that the hammer mill head 284 performs reciprocating motion in the direction close to the hammer mill grooves, when the hammer mill head 284 is close to the hammer mill grooves, the compression spring 282 is in a compression state, and manganese ore subjected to primary grinding can be secondarily ground through the hammer mill grooves of the hammer mill head 284, therefore, the aim of hammer-grinding the manganese ore particles into the mineral powder is fulfilled, the crushing degree of the manganese ore is favorably improved, the concentration of ore pulp manufacture can be increased, and the desulfurization effect on flue gas is improved.
The vibration screening branched chain 29 comprises vibration springs 291, a screening net 292, a first bevel gear 293, a second bevel gear 294, a transmission rod 295 and a screening cam 296, the vibration springs 291 are symmetrically arranged at the left and right sides of the lower end of the fine grinding wall, the lower end of the vibration springs 291 is connected with the screening net 292, the first bevel gear 293 is arranged at the lower end of the transmission shaft 24, the second bevel gear 294 is connected to the left and right sides of the first bevel gear 293 in a meshed manner, the transmission rod 295 is arranged on the second bevel gear 294, the other end of the transmission rod 295 is connected with the screening cam 296, the screening cam 296 is always in sliding contact with the screening net 292, a shaft sleeve is movably sleeved in the middle of the transmission rod 295, a support rod is connected to the outer wall of the shaft sleeve, the other end of the support rod is arranged on the slurry box 31, material blocking plates with triangular sections are symmetrically arranged on the left and right sides of the screening net 292, and the transmission shaft 24 can drive the first bevel gear 293 to rotate when in specific work, under the action of the gear meshing principle, the second-order bevel gears 294 on two sides can be driven to rotate, so that the screening cam 296 connected with the second-order bevel gears 294 through the transmission rod 295 can be driven to rotate, the screening net 292 can be extruded up and down when the screening cam 296 rotates, and then the screening net 292 can reciprocate up and down, the downward movement of the screening net 292 is that the vibration spring 291 is in a stretching state, otherwise, the spring reset elastic force can be provided for the upward movement of the screening net 292, the purpose of screening mineral powder can be achieved through the upward and downward reciprocating movement of the screening net 292, the mineral powder in the mineral powder box 31 is ensured to be tiny powder instead of particles, and the concentration of mineral slurry production is improved.
The ore pulp stirring mechanism 3 comprises an ore pulp tank 31, a stirring shaft 32, stirring paddles 33, a stirring wheel 34, a driving wheel 35, a belt 36 and a stirring motor 37, the ore pulp tank 31 is arranged in the middle of the upper end surface of the bottom plate 1, water for ore pulp mixing is filled in the ore pulp tank 31, the upper end surface of the ore pulp tank 31 is detachably connected with the lower end surface of the fine powder barrel 26, the stirring shaft 32 is symmetrically arranged in the ore pulp tank 31 in the front and back direction through a bearing, the stirring paddles 33 are arranged on the stirring shaft 32, the stirring wheel 34 is arranged at the right end of the stirring shaft 32, the driving wheel 35 is arranged below the stirring wheel 34, the driving wheel 35 is connected with the stirring wheel 34 through the belt 36, the driving wheel 35 is connected with an output shaft of the stirring motor 37, the stirring motor 37 is arranged on the bottom plate 1 through a motor base, the stirring paddles 33 are spirally arranged and are staggered between the two stirring paddles 33, when the ore pulp tank 31 works in detail, the function of a reaction container for fully stirring and uniformly mixing ore pulp and water, play the effect that supports (mixing) shaft 32 simultaneously, it rotates to drive wheel 35 through agitator motor 37, can drive two stirring wheels 34 and rotate simultaneously under belt 36's linkage effect, and then drive (mixing) shaft 32 and rotate, when (mixing) shaft 32 rotates, can form the ore pulp with the mineral powder and the water intensive mixing that drop through stirring rake 33, it can be with mineral powder and water intensive mixing even when rotating to be two spiral helicine stirring rake 33 staggered arrangement, can avoid bonding each other between the mineral powder, be favorable to improving the ore pulp quality and then can improve the desulfurization effect of flue gas.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (8)
1. The utility model provides an industrial flue gas desulfurization purification treatment process, its has used an auxiliary industrial flue gas desulfurization purification treatment device, and this auxiliary industrial flue gas desulfurization purification treatment device includes bottom plate (1), powdered ore grinding mechanism (2) and ore pulp rabbling mechanism (3), its characterized in that: bottom plate (1) up end middle part from supreme ore pulp rabbling mechanism (3) and the powdered ore grinding mechanism (2) of installing in proper order down, wherein:
when the auxiliary industrial flue gas desulfurization and purification treatment device is used for purifying and treating industrial flue gas, the method specifically comprises the following steps:
s1: crushing and grinding: after being primarily crushed by a crusher, manganese ore is put into a grinding box (21) through a feed inlet (22), and is primarily ground through a grinding roller (25);
s2: fine hammer screening: the manganese ore particles formed after primary grinding are subjected to secondary fine hammer grinding through the matching of the reciprocating branched chain (27) and the hammer grinding branched chain (28) to form fine ore powder, and then the fine ore powder is sieved through the vibration sieving branched chain (29);
s3: stirring ore pulp: the screened ore powder falls into an ore pulp box (31), and is fully mixed with water through a stirring paddle (33) to form ore pulp;
s4: flue gas desulfurization: the prepared ore pulp is placed in an exhaust pipe for discharging industrial flue gas, when the flue gas passes through the ore pulp, sulfur dioxide and manganese oxide can perform a reduction reaction to form manganese sulfate, and the sulfur dioxide in the industrial flue gas is removed;
the mineral powder grinding mechanism (2) comprises a grinding box (21), a feeding hole (22), a grinding motor (23), a transmission shaft (24), a grinding roller (25), a fine powder barrel (26), a reciprocating branched chain (27), a hammer grinding branched chain (28) and a vibration screening branched chain (29), wherein the grinding box (21) is arranged above the middle part of the bottom plate (1), the grinding box (21) is of a hollow round platform type structure, the feeding holes (22) are symmetrically arranged on the left and right sides of the upper end surface of the grinding box (21), the grinding motor (23) is arranged in the middle part of the upper end surface of the grinding box (21) through a motor base, the transmission shaft (24) is arranged on an output shaft of the grinding motor (23) through a coupler, the grinding roller (25) is arranged on the transmission shaft (24), the fine powder barrel (26) is arranged on the lower end surface of the grinding box (21), the reciprocating branched chain (27) is arranged in the fine powder barrel (26), and the reciprocating branched chain (27) is arranged on the transmission shaft (24), hammer mill branch chains (28) are symmetrically arranged on the upper part and the lower part of the reciprocating branch chain (27), and a vibration screening branch chain (29) is arranged at the lower end of the transmission shaft (24);
the ore pulp stirring mechanism (3) comprises an ore pulp box (31), a stirring shaft (32), a stirring paddle (33), a stirring wheel (34), a transmission wheel (35), a belt (36) and a stirring motor (37), the middle part of the upper end surface of the bottom plate (1) is provided with the ore pulp box (31), the ore pulp box (31) is filled with water for ore pulp mixing, the upper end surface of the ore pulp box (31) is detachably connected with the lower end surface of the fine powder barrel (26), the stirring shaft (32) is symmetrically arranged in the ore pulp box (31) through a bearing in the front and back direction, the stirring paddle (33) is arranged on the stirring shaft (32), the stirring wheel (34) is arranged at the right end of the stirring shaft (32), the transmission wheel (35) is arranged below the stirring wheel (34), the transmission wheel (35) is connected with the stirring wheel (34) through the belt (36), and the transmission wheel (35) is connected with an output shaft of the stirring motor (37), the stirring motor (37) is arranged on the bottom plate (1) through a motor base.
2. The industrial flue gas desulfurization and purification treatment process according to claim 1, characterized in that: reciprocating branch chain (27) including backup pad (271), T type pole (272), expanding spring (273), reciprocal board (274) and reciprocal cam (275), transmission shaft (24) on install backup pad (271) through bearing upper and lower symmetry, the spout has been seted up to bilateral symmetry on backup pad (271), be provided with T type pole (272) through sliding fit's mode in the spout, be provided with expanding spring (273) between T type pole (272) and the spout, T type pole (272) keep away from expanding spring (273) one end and be connected with reciprocal board (274), transmission shaft (24) on install reciprocal cam (275) through spline upper and lower symmetry, reciprocal cam (275) are located between two backup pad (271) about and reciprocal cam (275) contact with reciprocal board (274) all the time.
3. The industrial flue gas desulfurization and purification treatment process according to claim 2, characterized in that: the hammer mill branched chain (28) comprises a hammer mill frame (281), a compression spring (282), a hammer mill rod (283) and a hammer mill head (284), wherein the hammer mill frame (281) is installed on one end face, far away from the transmission shaft (24), of the reciprocating plate (274) in an up-down symmetrical mode, the compression spring (282) is evenly arranged in the hammer mill frame (281), the other end of the compression spring (282) is connected with the hammer mill rod (283), and the hammer mill head (284) is installed on the hammer mill rod (283).
4. The industrial flue gas desulfurization and purification treatment process according to claim 3, characterized in that: the section of the hammer grinding head (284) is of a semicircular structure, a fine grinding wall is arranged on the inner wall of the fine powder barrel (26), the section of the fine grinding wall is of a triangular structure, and semicircular hammer grinding grooves matched with the hammer grinding head (284) are symmetrically formed in the fine grinding wall.
5. The industrial flue gas desulfurization and purification treatment process according to claim 4, characterized in that: vibration screening branch chain (29) including vibration spring (291), screening net (292), bevel gear (293), No. two bevel gear (294), transfer line (295) and screening cam (296), accurate grinding wall lower extreme bilateral symmetry be provided with vibration spring (291), vibration spring (291) lower extreme is connected with screening net (292), transmission shaft (24) lower extreme install bevel gear (293), bevel gear (293) left and right sides meshing is connected with No. two bevel gear (294), install transfer line (295) on No. two bevel gear (294), transfer line (295) other end is connected with screening cam (296), and screening cam (296) all the time with screening net (292) sliding contact.
6. The industrial flue gas desulfurization and purification treatment process according to claim 5, characterized in that: the middle part of the transmission rod (295) is movably sleeved with a shaft sleeve, the outer wall of the shaft sleeve is connected with a supporting rod, the other end of the supporting rod is installed on the slurry box (31), and the left and right symmetrical parts on the screening net (292) are provided with striker plates with triangular sections.
7. The industrial flue gas desulfurization and purification treatment process according to claim 1, characterized in that: the grinding roller (25) is of a round table structure, and grinding balls matched with each other are uniformly arranged on the outer wall of the grinding roller (25) and the inner wall of the grinding box (21).
8. The industrial flue gas desulfurization and purification treatment process according to claim 1, characterized in that: the stirring paddles (33) are spiral and are arranged between the two stirring paddles (33) in a staggered mode.
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| CN202110698109.7A CN113413752A (en) | 2021-06-23 | 2021-06-23 | Industrial flue gas desulfurization and purification treatment process |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031255A (en) * | 2017-12-14 | 2018-05-15 | 贵州大龙汇成新材料有限公司 | It is a kind of to remove sulfur dioxide in flue gas and the method for extracting sulfuric acid manganese solution with manganese carbonate ore |
| CN112808134A (en) * | 2020-12-31 | 2021-05-18 | 赵万欢 | Flue gas desulfurization, denitrification and purification treatment process |
| CN112934327A (en) * | 2021-01-29 | 2021-06-11 | 王晴 | Production method of edible yeast |
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- 2021-06-23 CN CN202110698109.7A patent/CN113413752A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031255A (en) * | 2017-12-14 | 2018-05-15 | 贵州大龙汇成新材料有限公司 | It is a kind of to remove sulfur dioxide in flue gas and the method for extracting sulfuric acid manganese solution with manganese carbonate ore |
| CN112808134A (en) * | 2020-12-31 | 2021-05-18 | 赵万欢 | Flue gas desulfurization, denitrification and purification treatment process |
| CN112934327A (en) * | 2021-01-29 | 2021-06-11 | 王晴 | Production method of edible yeast |
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Application publication date: 20210921 |