CN117550680B - Desulfurization and denitrification waste liquid treatment centrifugal device - Google Patents
Desulfurization and denitrification waste liquid treatment centrifugal device Download PDFInfo
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- CN117550680B CN117550680B CN202410029293.XA CN202410029293A CN117550680B CN 117550680 B CN117550680 B CN 117550680B CN 202410029293 A CN202410029293 A CN 202410029293A CN 117550680 B CN117550680 B CN 117550680B
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- 239000007788 liquid Substances 0.000 title claims abstract description 128
- 239000002699 waste material Substances 0.000 title claims abstract description 58
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 29
- 230000023556 desulfurization Effects 0.000 title claims abstract description 29
- 238000012216 screening Methods 0.000 claims abstract description 75
- 239000007787 solid Substances 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 75
- 239000000463 material Substances 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 30
- 238000007790 scraping Methods 0.000 claims description 29
- 238000000605 extraction Methods 0.000 claims description 28
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 25
- 238000000926 separation method Methods 0.000 abstract description 10
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 12
- 238000012545 processing Methods 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 239000008247 solid mixture Substances 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000006193 liquid solution Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
- C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/11—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
- B01D33/42—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to the technical field of desulfurization and denitrification waste liquid treatment, in particular to a desulfurization and denitrification waste liquid treatment centrifugal device which comprises a machine body, wherein a fixed ring frame is fixedly arranged on the machine body, a carrying disc is fixedly arranged on the fixed ring frame and under the machine body, and a centrifugal mechanism for reversely differentiating and multi-layer screening waste liquid is fixedly arranged on the machine body. The solid particles in the waste liquid are completely separated from the liquid through multi-layer screening, the centrifugal treatment efficiency is improved, the quality and purity of the treated liquid are improved, the solid particles in the waste liquid and the liquid are filtered step by step through an internal-external rotation centrifugal mode, the solid particles are subjected to re-screening through the primary screening cylinder and the secondary screening cylinder with different screening meshes, the solid particles with different sizes are accurately screened, the solid-liquid separation efficiency is improved, the quality of the waste liquid is further optimized through multi-layer centrifugal filtration, and the pollution of the waste liquid to the environment is reduced.
Description
Technical Field
The invention relates to the technical field of desulfurization and denitrification waste liquid treatment, in particular to a desulfurization and denitrification waste liquid treatment centrifugal device.
Background
The desulfurization and denitrification waste liquid is waste liquid generated after flue gas desulfurization and denitrification treatment in the processes of coal-fired power generation, industrial production and the like, comprises liquid waste generated after sulfur and nitride are removed from flue gas, and because the desulfurization and denitrification waste liquid contains high-concentration ammonia nitrogen, sulfate, nitrate and other harmful substances, the desulfurization and denitrification waste liquid is required to be subjected to centrifugal treatment so as to separate solid particles in the waste liquid from the liquid, thereby meeting the subsequent treatment requirements, further ensuring that the safety and sustainable development of the environment are not negatively influenced, and converting the waste liquid into harmless or recyclable substances.
When the existing equipment carries out centrifugal treatment on desulfurization and denitrification waste liquid, large particulate matters and impurities in the desulfurization and denitrification waste liquid are required to be removed firstly, then the waste liquid is transferred to a centrifugal machine, solid particles and liquid in the waste liquid are separated through centrifugal force, after the centrifugation is finished, a solid layer is taken out through a removing device and further purified, and liquid phase obtained through separation can be further treated or discharged, but the following defects exist in the centrifugal treatment of the desulfurization and denitrification waste liquid: because the desulfurization and denitrification waste liquid has various different kinds of solid impurities, and the solid particles cannot be completely mixed into a whole by centrifugation, part of the solid particles are always suspended in a liquid phase and discharged along with the liquid phase, and therefore, harmful substances carried in the solid particles can lead to the reduction of the waste liquid treatment effect, the desulfurization and denitrification treatment cannot reach the specified emission standard, and the risk of environmental pollution still exists.
Therefore, in order to ensure that the desulfurization and denitrification waste liquid after centrifugal treatment can be better converted into harmless or recyclable substances, the invention provides a desulfurization and denitrification waste liquid treatment centrifugal device.
Disclosure of Invention
In order to solve the technical problems, the invention provides a desulfurization and denitrification waste liquid treatment centrifugal device, which is realized by the following specific technical means: the utility model provides a desulfurization denitration waste liquid treatment centrifugal device, includes the fuselage, fixed mounting has the fixed ring frame on the fuselage, fixed mounting has the year thing dish on the fixed ring frame and be located the position fixed mounting under the fuselage, fixed mounting has the centrifugal mechanism that is used for reverse differential multilayer screening waste liquid on the fuselage.
The centrifugal mechanism comprises a main body part arranged in the machine body, and a driving part is arranged at the upper end of the main body part and the upper end of the machine body together.
The upper ends of the machine body and the carrying disc are jointly provided with a distributing mechanism for classifying and discharging products; the material distributing mechanism comprises a solid discharging part fixedly arranged in the machine body and used for discharging the solid, a secondary discharging part used for discharging the granular solid is arranged below the solid discharging part, and a liquid guiding part used for discharging the waste liquid is arranged on the carrying disc and the machine body together; the main body part is provided with an auxiliary discharging mechanism for cleaning the attached solids.
As a preferable technical scheme of the invention, the main body part comprises a sealing cover, a secondary screen cylinder, a first annular plate, a first blanking plate, a primary screen cylinder, a second annular plate and a second blanking plate, wherein the sealing cover is fixedly arranged on the upper end face of the main body, the secondary screen cylinder is rotatably arranged at the center of the lower end face of the sealing cover, first gear rings are respectively arranged on the inner side and the outer side of the upper end of the secondary screen cylinder, the first annular plate is fixedly arranged below the first gear rings on the inner side and the outer side of the main body, the first annular plate is rotatably connected with the outer side of the secondary screen cylinder, the first blanking plate is fixedly arranged in the main body near the bottom of the secondary screen cylinder, the first blanking plate is rotatably connected with the outer side of the secondary screen cylinder, the second annular plate is rotatably connected with the secondary screen cylinder through supporting rods distributed in a circumferential array mode, the primary screen cylinder is rotatably arranged at the center of the inner side of the second annular plate, the outer side of the upper end of the primary screen cylinder is provided with a second gear ring which is the same with the first gear rings, the primary screen cylinder is rotatably connected with the primary screen cylinder in the same horizontal plane with the primary screen cylinder, the primary screen cylinder is rotatably arranged near the bottom of the primary screen cylinder, and the primary screen cylinder is rotatably connected with the primary screen cylinder, and the primary screen cylinder is rotatably arranged near the bottom of the primary screen cylinder, and the primary screen cylinder is rotatably arranged near the primary screen cylinder, and has the primary screen cylinder, and the primary screen cylinder is rotatably and has the primary screen cylinder.
As a preferable technical scheme of the invention, the driving part comprises a driving bin, a motor, a feeding hole, a driving shaft rod and a positioning shaft rod, wherein the driving bin is fixedly arranged on the upper end face of the sealing cover, the motor is fixedly arranged on the upper end face of the driving bin, the feeding hole penetrating through the upper end and the lower end of the sealing cover is formed in the center of the sealing cover, a plurality of driving shaft rods penetrating through the sealing cover and the driving bin are rotatably arranged on the second annular plate in a circumferential array mode, chain wheels positioned in the driving bin are fixedly arranged on the driving shaft rods, a chain is fixedly connected with the output end of the motor and the upper end of any driving shaft rod in a rotating mode, a first gear is fixedly sleeved on the driving shaft rod and positioned between the sealing cover and the second annular plate, the first gear is simultaneously meshed and connected with the second gear ring and the first gear ring on the inner side of the secondary screen cylinder, a plurality of positioning shaft rods penetrating through the sealing cover and the driving bin are rotatably arranged on the first annular plate in a circumferential array mode, a second gear is fixedly sleeved on the positioning shaft rod, and the second gear is meshed and connected with the first gear ring on the outer side of the secondary screen cylinder.
As a preferable technical scheme of the invention, the solid discharging part comprises a primary screening ring ladder groove, a blanking hole, a primary screening material opening and a solid discharging opening, wherein the bottom of the primary screening cylinder is provided with the primary screening ring ladder groove, the lower end of the primary screening ring ladder groove is provided with a plurality of blanking holes in a circumferential array mode, the blanking holes are provided with electromagnetic valves, the center of the lower end of the secondary screening cylinder is provided with the primary screening material opening matched with the blanking holes for blanking, the center of the lower end of the machine body is provided with the solid discharging opening matched with the primary screening material opening for blanking, and the lower end of the solid discharging opening penetrates through the carrying disc.
As a preferable technical scheme of the invention, the secondary discharging part comprises a secondary screening ring ladder groove, a discharging hole, a material blocking ring groove, a first extraction pipe and a first liquid pump, wherein the secondary screening ring ladder groove is formed between the inner lower end of the secondary screening cylinder and the primary screening material through hole, a plurality of discharging grooves are formed in the lower end of the secondary screening ring ladder groove in a circumferential array mode, electromagnetic valves are arranged in the plurality of discharging grooves, a plurality of discharging holes are formed in the second discharging plate and the first discharging plate in a circumferential array mode, the material blocking ring groove is fixedly arranged at the inner lower end of the machine body below the secondary screening ring ladder groove, the lower end of the material blocking ring groove is fixedly provided with the first extraction pipe, a plurality of suction holes are formed at the upper end of the first extraction pipe, the first liquid pump is fixedly arranged on the carrying disc, and the output end of the first liquid pump is fixedly connected with the first extraction pipe.
As a preferable technical scheme of the invention, the liquid guide part comprises a liquid storage ring groove, a second extraction pipe and a second liquid pump, wherein the liquid storage ring groove is formed between the inside of the lower end of the machine body and the material blocking ring groove, the second extraction pipe is fixedly arranged on the lower end surface of the liquid storage ring groove, a plurality of liquid extraction holes are formed in the upper end of the second extraction pipe, the second liquid pump is fixedly arranged on the carrying disc, and the output end of the second liquid pump is fixedly connected with the second extraction pipe.
As a preferable technical scheme of the invention, the auxiliary discharging mechanism comprises a screw rod and a ring scraping frame, the upper end surface of the second blanking plate is rotatably provided with the screw rod corresponding to the driving shaft rod in a circumferential array mode, the screw rod is fixedly connected with the driving shaft rod, the ring scraping frame is connected between the secondary screen cylinder and the primary screen cylinder in a sliding mode, the ring scraping frame is in threaded connection with the screw rod through a screw hole, a plurality of auxiliary discharging grooves for enabling scraped objects to fall down are formed in the ring scraping frame in a circumferential array mode, the inner side wall and the outer side wall of the ring scraping frame are respectively provided with a circle of rubber strips for scraping attachments, and the lower end surface of the ring scraping frame is connected with a spring sleeved on the screw rod.
Compared with the prior art, the invention has the following beneficial effects: 1. this desulfurization denitration waste liquid treatment centrifugal device uses through the mutually supporting of centrifugal mechanism, feed divider and the assistance of setting up, separates solid particle in the waste liquid and liquid completely through multilayer screening, promotes quality and the purity of handling the back liquid when promoting centrifugal treatment efficiency, better satisfies follow-up processing requirement and reduces required equipment capacity and the processing cost in the follow-up processing procedure.
2. This SOx/NOx control waste liquid treatment centrifugal device uses through the centrifugal mechanism that sets up, filters step by step through the mode of inside and outside rotation centrifugation to solid particle in the waste liquid and liquid to screen again through the different primary screen section of thick bamboo of screening mesh number, secondary screen section of thick bamboo realization solid particle, carry out accurate screening to the solid particle of equidimension not only improves solid-liquid separation's efficiency, still further optimize the quality of waste liquid through multilayer centrifugal filtration, reduce the pollution of waste liquid to the environment.
3. This SOx/NOx control waste liquid treatment centrifugal device uses through the cooperation of the centrifugal mechanism that sets up and feed mechanism, adopts the mode that has reverse differential rotation's inside and outside synchronous screening at waste liquid centrifugal treatment's in-process, filters solid particles in the waste liquid step by step with liquid, carries out accurate screening to the solid particles under the different states, has not only improved solid-liquid separation's efficiency, reduces process time and energy consumption, helps getting rid of the solid particles in the waste water more thoroughly.
4. This SOx/NOx control waste liquid treatment centrifugal device carries out the layering through the feed mechanism that sets up with the different granule sizes after the separation and independently discharges to avoid the solid particle that separates to mix with again in the liquid phase discharge and increase the degree of difficulty and the cost of follow-up processing, and can be convenient for the processing of solid, reduce the waste volume and realize the recovery of resources, can also make things convenient for the follow-up processing liquid solution simultaneously, reduce water resource consumption.
5. This desulfurization denitration waste liquid treatment centrifugal device is through assisting arranging the mechanism of setting and carry out scraping to the attached impurity of both filter pulp in secondary screen section of thick bamboo and primary screen section of thick bamboo separation operation period for solid particle can fall fast, avoids solid particle to block up secondary screen section of thick bamboo and primary screen section of thick bamboo simultaneously, improves solid-liquid separation's efficiency, makes waste water obtain better processing and purification.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a perspective view showing an internal structure of the fuselage according to the present invention.
Fig. 3 is a schematic view of a partially cut-away perspective structure of the present invention.
Fig. 4 is a schematic internal perspective view of the drive cartridge of the present invention.
Fig. 5 is a schematic perspective view of a driving part of the present invention.
Fig. 6 is an enlarged schematic view of the structure at a in fig. 3.
Fig. 7 is a schematic top view of the auxiliary discharging mechanism of the present invention.
Fig. 8 is a schematic cross-sectional perspective view of the dispensing mechanism of the present invention.
In the figure: 1. a body; 2. a fixed ring frame; 3. a carrying tray; 4. a centrifugal mechanism; 41. a main body portion; 411. sealing cover; 412. a secondary screen drum; 413. a first annular plate; 414. a first blanking plate; 415. a primary screen drum; 416. a second annular plate; 417. a second blanking plate; 42. a driving section; 421. a driving bin; 422. a motor; 423. a feed inlet; 424. a drive shaft; 425. positioning a shaft lever; 5. a material distributing mechanism; 51. a fixing part; 511. a primary screening ring ladder groove; 512. a blanking hole; 513. a primary screening material port; 514. a discharging and fixing port; 52. a secondary row part; 521. secondary screening ring ladder grooves; 522. a discharge hole; 523. a material blocking ring groove; 524. a first extraction tube; 525. a first liquid pump; 53. a liquid guiding part; 531. a liquid storage ring groove; 532. a second extraction tube; 533. a second liquid pump; 6. an auxiliary discharging mechanism; 601. a screw; 602. a ring scraping frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, a centrifugal device for treating desulfurization and denitrification waste liquid comprises a machine body 1, wherein a fixed ring frame 2 is fixedly arranged on the machine body 1, a carrying tray 3 is fixedly arranged on the fixed ring frame 2 and positioned right below the machine body 1, and a centrifugal mechanism 4 for reversely differentiating multi-layer screening waste liquid is fixedly arranged on the machine body 1; the centrifugal mechanism 4 includes a main body 41 provided in the main body 1, and a driving unit 42 is provided in the main body 41 and the upper end of the main body 1.
Referring to fig. 2, 3, 7 and 8, the main body 41 is provided with an auxiliary discharge mechanism 6 for cleaning the attached solids.
Referring to fig. 1, 2, 3 and 8, a material separating mechanism 5 for separating discharged products is arranged at the upper ends of the machine body 1 and the carrying tray 3; the material distributing mechanism 5 comprises a solid discharging part 51 fixedly arranged in the machine body 1 and used for discharging solids, a secondary discharging part 52 used for discharging granular solids and floccules is arranged below the solid discharging part 51, and the material carrying disc 3 and the machine body 1 are jointly provided with a liquid guiding part 53 used for discharging waste liquid.
Referring to fig. 2, 3, 5 and 7, the main body 41 includes a sealing cover 411, a secondary screen drum 412, a first annular plate 413, a first blanking plate 414, a primary screen drum 415, a second annular plate 416 and a second blanking plate 417, wherein the sealing cover 411 is fixedly mounted on the upper end surface of the main body 1, the secondary screen drum 412 is rotatably mounted at the center of the lower end surface of the sealing cover 411, first gear rings are respectively arranged on the inner and outer sides of the upper end of the secondary screen drum 412, the first annular plate 413 is fixedly mounted below the first gear rings on the outer side of the inner end of the main body 1, the first annular plate 413 is rotatably connected with the outer side of the secondary screen drum 412, the first blanking plate 414 is fixedly mounted in the inner side of the main body 1 and near the bottom of the secondary screen drum 412, the first blanking plate 414 is rotatably connected with the outer side of the secondary screen drum 412, the second annular plate 416 is rotatably connected with the secondary screen drum 412 through supporting rods distributed in a circumferential array manner in the secondary screen drum 412, the primary screen drum 415 is rotatably mounted at the center of the inner side of the second annular plate 416, the primary screen drum 415 is rotatably connected with the primary screen drum 415, the primary screen drum 415 is rotatably arranged near the outer side of the primary screen drum 412, and the primary screen drum 415 is rotatably connected with the primary screen drum 415, and the primary screen drum 415 is rotatably mounted near the outer side of the primary screen drum 415, and the primary screen drum 415 is rotatably connected with the primary screen drum 415, and the primary screen drum 415 is rotatably.
Referring to fig. 2, fig. 3, fig. 4 and fig. 5, the driving portion 42 includes a driving bin 421, a motor 422, a feeding hole 423, a driving shaft 424 and a positioning shaft 425, the driving bin 421 is fixedly mounted on an upper end surface of the sealing cover 411, the motor 422 is fixedly mounted on an upper end surface of the driving bin 421, the feeding hole 423 penetrating through an upper end and a lower end of the sealing cover 411 is formed in a center of the sealing cover 411, a plurality of driving shafts 424 penetrating through the sealing cover 411 and the driving bin 421 are rotatably mounted on the second ring plate 416 in a circumferential array manner, chain wheels located in the driving bin 421 are fixedly mounted on the driving shaft 424, chains are rotatably connected with the chain wheels together, an output end of the motor 422 is fixedly connected with an upper end of any one driving shaft 424, a first gear is fixedly sleeved on the driving shaft 424 and located between the sealing cover 411 and the second ring plate 416, the first gear is simultaneously meshed with the second gear ring gear, a plurality of positioning shafts 425 penetrating through the sealing cover 411 and the driving bin 421 are rotatably mounted on the first ring plate 413 in a circumferential array manner, and the positioning shaft 425 is fixedly sleeved on the positioning shaft 425 is fixedly connected with the second gear ring gear 412, and the second gear is meshed with the second gear ring gear on the outer side of the second ring 412.
When the desulfurization and denitrification waste liquid centrifugal treatment device is particularly used, a worker only needs to start the motor 422 to enable the desulfurization and denitrification waste liquid to rotate with the driving shaft rod 424, at the moment, the other driving shaft rods 424 are driven to rotate clockwise under the cooperation of the chain wheels and the chains, the first gear is driven to rotate clockwise at the same time, the first gear is driven to rotate anticlockwise through the meshing of the second gear ring and the first gear, the primary screen cylinder 415 is driven to rotate anticlockwise through the meshing of the second gear ring, the upper end of the primary screen cylinder 415 is limited by the second annular plate 416, the lower end of the primary screen cylinder 415 is limited by the second blanking plate 417, and therefore the rotating stability of the primary screen cylinder 415 is guaranteed, and the abrasion of parts is reduced.
Meanwhile, the first gear is meshed with the first gear ring on the inner side of the secondary screen cylinder 412, so that the secondary screen cylinder 412 is driven to rotate clockwise, at this time, the second gears on the plurality of positioning shafts 425 are meshed with the first gear ring on the outer side of the secondary screen cylinder 412 to rotate, so that the meshing accuracy of the first gear ring on the inner side of the secondary screen cylinder 412 and the first gear is guaranteed, meanwhile, the first annular plate 413 guarantees the rotating stability of the upper end of the secondary screen cylinder 412, and the first blanking plate 414 guarantees the rotating stability of the lower end of the secondary screen cylinder 412.
The secondary screen cylinder 412 and the primary screen cylinder 415 rotate in the machine body 1 in opposite directions, the first gear ring on the inner side of the secondary screen cylinder 412 is larger than the second gear ring, so that the rotation speed of the secondary screen cylinder 412 is slower than that of the primary screen cylinder 415, and the differential speed exists in the rotation process of the secondary screen cylinder 412 and the primary screen cylinder 415, so that desulfurization and denitrification waste liquid can be introduced into the primary screen cylinder 415 from the feed inlet 423, the primary screen cylinder 415 and the secondary screen cylinder 415 screen large solid blocks to the bottom in the rotation process, at the moment, the liquid and small solid blocks can pass through the primary screen cylinder 415 to reach between the primary screen cylinder 415 and the secondary screen cylinder 412, the screening mesh number of the secondary screen cylinder 412 is larger than that of the primary screen cylinder 415, the small solid blocks of the mixture are screened out and fall to the bottom in the rotation process of the secondary screen cylinder 412, and the liquid passes through the secondary screen cylinder 412 to be thrown onto the inner wall of the machine body 1 and flows downwards.
The method has the advantages that the mode of inner and outer synchronous screening with different screening meshes with rotation differential speed is adopted to filter solid particles and liquid in waste liquid step by step, and the solid particles in different states are accurately screened, so that the efficiency of solid-liquid separation is improved, the treatment time and the energy consumption are reduced, solid particles in waste water are removed more thoroughly, the quality of the waste liquid is further optimized through multilayer centrifugal filtration, and the pollution of the waste liquid to the environment is avoided.
Referring to fig. 1, 2, 3 and 8, the solid discharging portion 51 includes a primary screening ring ladder groove 511, a discharging hole 512, a primary screening material opening 513 and a solid discharging opening 514, the bottom of the primary screening cylinder 415 is provided with the primary screening ring ladder groove 511, the lower end of the primary screening ring ladder groove 511 is provided with a plurality of discharging holes 512 in a circumferential array manner, the discharging holes 512 are all provided with electromagnetic valves, the center of the lower end of the secondary screening cylinder 412 is provided with the primary screening material opening 513 which is matched with the plurality of discharging holes 512 for discharging, the center of the lower end of the machine body 1 is provided with the solid discharging opening 514 which is matched with the primary screening material opening 513 for discharging, and the lower end of the solid discharging opening 514 penetrates through the carrying disc 3.
During specific operation, when the primary screen cylinder 415 is centrifuging the bulk solids, the bulk solids fall into the primary screen ring ladder groove 511 at this time, when the bulk solids need to be discharged, the motor 422 is repeatedly started in forward and reverse directions, and the electromagnetic valve of the blanking hole 512 is opened, so that the bulk solids fall through the blanking hole 512 in the process of rotating the primary screen cylinder 415, and the primary screen feed opening 513 and the solid discharge opening 514 provide guidance for the bulk solids in the process, so that the bulk solids are prevented from being remixed with other separation products.
Referring to fig. 1, 2, 3 and 8, the secondary discharging portion 52 includes a secondary screening ring ladder groove 521, a discharging hole 522, a material blocking ring groove 523, a first extracting pipe 524 and a first liquid extracting pump 525, a secondary screening ring ladder groove 521 is formed between the inner lower end of the secondary screening cylinder 412 and the primary screening material passing hole 513, a plurality of discharging grooves are formed at the lower end of the secondary screening ring ladder groove 521 in a circumferential array manner, electromagnetic valves are arranged in the plurality of discharging grooves, a plurality of discharging holes 522 are formed at the second discharging plate 417 and the first discharging plate 414 in a circumferential array manner, a material blocking ring groove 523 is fixedly mounted at the inner lower end of the machine body 1 below the secondary screening ring ladder groove 521, a first extracting pipe 524 is fixedly mounted at the lower end of the material blocking ring groove 523, a plurality of extracting holes are formed at the upper end of the first extracting pipe 524, a first liquid extracting pump 525 is fixedly mounted on the carrier disc 3, and the output end of the first liquid extracting pump 525 is fixedly connected with the first extracting pipe 524.
In particular, during operation, the small solid mixture falls down in the process of rotating the secondary screen cylinder 412, and finally falls into the secondary screen ring ladder groove 521, at this time, the electromagnetic valve of the discharge groove is opened, the small solid mixture can be discharged from the interior of the secondary screen ring ladder groove 521 into the material blocking ring groove 523 in the process of rotating the secondary screen cylinder 412, and as floccules are generally mixed in the small solid mixture, the small solid mixture is relatively wet and adhered together, at this time, the first liquid pump 525 can be started to suck the small solid mixture through the sucking hole on the first sucking pipe 524, and the small solid mixture is subjected to subsequent treatment, and the separated product falls down from the second blanking plate 417 and the discharge hole 522 on the first blanking plate 414 in the process.
Referring to fig. 1, 2, 3 and 8, the liquid guiding portion 53 includes a liquid storage ring groove 531, a second extraction pipe 532 and a second liquid pump 533, the liquid storage ring groove 531 is formed between the inside of the lower end of the body 1 and the material blocking ring groove 523, the second extraction pipe 532 is fixedly mounted on the lower end surface of the liquid storage ring groove 531, a plurality of liquid extraction holes are formed in the upper end of the second extraction pipe 532, the second liquid pump 533 is fixedly mounted on the carrying tray 3, and the output end of the second liquid pump 533 is fixedly connected with the second extraction pipe 532.
In particular, when the liquid is thrown onto the inner wall of the machine body 1 through the secondary screen cylinder 412, the liquid will flow downward and finally flow into the liquid storage ring groove 531, and at this time, the second liquid pump 533 can be started to pump the liquid in the liquid storage ring groove 531 through the liquid pumping hole of the second pumping pipe 532, and the subsequent treatment operation is performed on the liquid.
The centrifugal mechanism 4 and the distributing mechanism 5 cooperate to separate solids with different sizes for layered discharge, so that solid particles are prevented from being mixed in a liquid phase, the difficulty and cost of subsequent treatment are increased, the solids can be conveniently treated, the waste volume is reduced, the resource recovery is realized, the liquid solution can be conveniently and subsequently treated, the water resource consumption is reduced, and the influence on the environment is reduced.
Referring to fig. 1, fig. 2, fig. 6, fig. 7 and fig. 8, the auxiliary discharging mechanism 6 includes a screw 601 and a ring scraping frame 602, the upper end surface of the second blanking plate 417 is rotatably provided with the screw 601 corresponding to the driving shaft 424 in a circumferential array manner, the screw 601 is fixedly connected with the driving shaft 424, the ring scraping frame 602 is slidably connected between the secondary screen cylinder 412 and the primary screen cylinder 415, the ring scraping frame 602 is in threaded connection with the screw 601 through a set screw hole, a plurality of auxiliary discharging grooves for enabling scraped objects to fall are set in the middle of the upper end of the ring scraping frame 602, a circle of rubber strips for scraping attachments are arranged on the inner side wall and the outer side wall of the ring scraping frame 602, and a spring sleeved on the screw 601 is connected to the lower end surface of the ring scraping frame 602.
Specifically during operation, when the motor 422 rotates clockwise with the driving shaft 424, the screw 601 rotates synchronously with the driving shaft 424, so that the ring scraping frame 602 moves downwards, products adhered to the secondary screen cylinder 412 and the primary screen cylinder 415 are scraped downwards, when the ring scraping frame 602 reaches the bottom, the spring buffers the products, and meanwhile, the motor 422 is reversely started to enable the screw 601 to rotate anticlockwise to push the ring scraping frame 602 upwards to scrape the products, the scraped products can fall from the auxiliary discharge groove, the operation is repeated to scrape the secondary screen cylinder 412 and the primary screen cylinder 415 for a plurality of times, so that impurities adhered to the secondary screen cylinder 412 and the primary screen cylinder 415 are scraped sufficiently, solid particles can fall down rapidly, the solid particles are prevented from blocking the secondary screen cylinder 412 and the primary screen cylinder 415, the solid-liquid separation efficiency is improved, and the waste water is better treated and purified.
Working principle: when the desulfurization and denitrification waste liquid is required to be centrifuged, a worker only needs to start the motor 422, and the driving part 42 and the main body part 41 are mutually matched to rotate in the opposite direction with the secondary screen cylinder 412 and the primary screen cylinder 415, and then the desulfurization and denitrification waste liquid can be introduced into the primary screen cylinder 415 from the feed inlet 423 to perform centrifugal treatment on the desulfurization and denitrification waste liquid.
When the primary screen cylinder 415 is used for centrifuging the massive solids, the electromagnetic valve of the blanking hole 512 is opened, so that the massive solids fall off the machine body 1 in the rotation process of the primary screen cylinder 415, when the granular mixture falls off in the rotation process of the secondary screen cylinder 412, the granular mixture is discharged into the material blocking ring groove 523 from the discharge groove, at the moment, the first liquid pump 525 is started to suck the granular mixture, and when the liquid passes through the secondary screen cylinder 412 and is thrown onto the inner wall of the machine body 1, the second liquid pump 533 is started to pump the liquid in the liquid storage ring groove 531, and the subsequent treatment operation can be carried out on the granular mixture respectively.
When the product is required to be discharged, the motor 422 is started to drive the screw 601 to synchronously rotate, so that the ring scraping frame 602 moves downwards to scrape the product adhered on the secondary screen cylinder 412 and the primary screen cylinder 415 downwards, the spring buffers the product when the ring scraping frame 602 reaches the bottom, and simultaneously, the motor 422 is reversely started to enable the screw 601 to rotate anticlockwise to push the ring scraping frame 602 upwards to scrape, and the operation is repeated to scrape the secondary screen cylinder 412 and the primary screen cylinder 415 for a plurality of times.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a desulfurization denitration waste liquid handles centrifugal device, includes fuselage (1), its characterized in that: the device is characterized in that a fixed ring frame (2) is fixedly arranged on the machine body (1), a carrying disc (3) is fixedly arranged on the fixed ring frame (2) and positioned right below the machine body (1), and a centrifugal mechanism (4) for reversely differentiating the multi-layer screening waste liquid is fixedly arranged on the machine body (1);
the centrifugal mechanism (4) comprises a main body part (41) arranged in the machine body (1), and a driving part (42) is arranged at the upper end of the main body part (41) and the upper end of the machine body (1) together; an auxiliary discharging mechanism (6) for cleaning the attached solids is arranged on the main body part (41);
the machine body (1) and the upper end of the carrying disc (3) are provided with a material distributing mechanism (5) for classifying and discharging products, the material distributing mechanism (5) comprises a solid discharging part (51) fixedly arranged in the machine body (1) and used for discharging solids, a secondary discharging part (52) used for discharging granular solids is arranged below the solid discharging part (51), and the carrying disc (3) and the machine body (1) are provided with a liquid guiding part (53) used for discharging waste liquid;
the main body part (41) comprises a sealing cover (411), a secondary screening cylinder (412), a first annular plate (413), a first blanking plate (414), a primary screening cylinder (415), a second annular plate (416) and a second blanking plate (417), wherein the sealing cover (411) is fixedly arranged on the upper end face of the main body (1), the secondary screening cylinder (412) is rotatably arranged at the center of the lower end face of the sealing cover (411), first gear rings are respectively arranged at the inner side and the outer side of the upper end of the secondary screening cylinder (412), the first annular plate (413) is fixedly arranged at the inner upper end of the main body (1) below the first gear ring at the outer side, the first annular plate (413) is rotatably connected with the outer side of the secondary screening cylinder (412), the first annular plate (414) is fixedly arranged at the inner side of the main body (1) and is close to the bottom of the secondary screening cylinder (412), the lower end face of the sealing cover (411) is rotatably connected with the outer side of the secondary screening cylinder (412) through support rods distributed in a circumferential array manner, the second annular plate (416) is fixedly arranged at the inner end face of the sealing cover (412), the second annular plate (415) is rotatably connected with the outer side of the primary screening cylinder (412), the annular plate (415) is rotatably arranged at the inner side of the primary screening cylinder (415) at the same level, the annular plate (415) is rotatably connected with the outer side of the primary screening cylinder (415), the screening mesh number of the secondary screen cylinder (412) is larger than that of the primary screen cylinder (415), and a second blanking plate (417) is installed between the primary screen cylinder (415) and the secondary screen cylinder (412) and close to the bottom of the primary screen cylinder (415) in a common rotation mode;
the driving part (42) comprises a driving bin (421), a motor (422), a feeding hole (423), a driving shaft rod (424) and a positioning shaft rod (425), the driving bin (421) is fixedly arranged on the upper end face of the sealing cover (411), the motor (422) is fixedly arranged on the upper end face of the driving bin (421), the feeding hole (423) penetrating through the upper end and the lower end of the sealing cover (411) is formed in the center of the sealing cover, a plurality of driving shaft rods (424) penetrating through the sealing cover (411) and the driving bin (421) are rotatably arranged on the second annular plate (416) in a circumferential array mode, chain wheels located in the driving bin (421) are fixedly arranged on the driving shaft rods (424), chains are fixedly connected with the output end of the motor (422) and the upper end of any driving shaft rod (424), a plurality of first gears are fixedly sleeved on the driving shaft rod (424) and located between the sealing cover (411) and the second annular plate (416), a plurality of driving shaft rods (425) are rotatably connected with the first annular plate (412) penetrating through the sealing cover in a circumferential array mode, a plurality of driving shaft rods (425) are rotatably arranged on the first annular plate (412) and are fixedly meshed with the second annular plate (411) simultaneously, the second gear is meshed with the first gear ring outside the secondary screen cylinder (412);
the solid discharging part (51) comprises a primary screening ring ladder groove (511), a discharging hole (512), a primary screening material opening (513) and a solid discharging opening (514), the bottom of the primary screening cylinder (415) is provided with the primary screening ring ladder groove (511), the lower end of the primary screening ring ladder groove (511) is provided with a plurality of discharging holes (512) in a circumferential array mode, electromagnetic valves are arranged at the positions of the discharging holes (512), the center of the lower end of the secondary screening cylinder (412) is provided with the primary screening material opening (513) which is matched with the plurality of discharging holes (512) for discharging, the center of the lower end of the machine body (1) is provided with the solid discharging opening (514) which is matched with the primary screening material opening (513), and the lower end of the solid discharging opening (514) penetrates through the carrying disc (3);
the secondary discharging part (52) comprises a secondary screening ring ladder groove (521), discharging holes (522), a material blocking ring groove (523), a first extraction pipe (524) and a first liquid pump (525), wherein the secondary screening ring ladder groove (521) is formed between the lower end of the interior of the secondary screening cylinder (412) and the primary screening material through hole (513), a plurality of discharging grooves are formed in the lower end of the secondary screening ring ladder groove (521) in a circumferential array mode, electromagnetic valves are arranged in the plurality of discharging grooves, a plurality of discharging holes (522) are formed in the second discharging plate (417) and the first discharging plate (414) in a circumferential array mode, the material blocking ring groove (523) is fixedly arranged at the lower end of the interior of the machine body (1) and below the secondary screening ring ladder groove (521), the first extraction pipe (524) is fixedly arranged at the lower end of the material blocking ring groove (523), a plurality of suction holes are formed in the upper end of the first extraction pipe (524), the first liquid pump (525) is fixedly arranged on the carrier disc (3), and the output end of the first liquid pump (525) is fixedly connected with the first extraction pipe (523);
the liquid guide part (53) comprises a liquid storage ring groove (531), a second extraction pipe (532) and a second liquid extraction pump (533), wherein the liquid storage ring groove (531) is formed between the inside of the lower end of the machine body (1) and the material blocking ring groove (523), the second extraction pipe (532) is fixedly arranged on the lower end surface of the liquid storage ring groove (531), a plurality of liquid extraction holes are formed in the upper end of the second extraction pipe (532), the second liquid extraction pump (533) is fixedly arranged on the carrying disc (3), and the output end of the second liquid extraction pump (533) is fixedly connected with the second extraction pipe (532);
the auxiliary discharging mechanism (6) comprises a screw rod (601) and a ring scraping frame (602), the upper end face of the second blanking plate (417) is rotationally provided with the screw rod (601) corresponding to the driving shaft rod (424) in a circumferential array mode, the screw rod (601) is fixedly connected with the driving shaft rod (424), a ring scraping frame (602) is connected between the secondary screening cylinder (412) and the primary screening cylinder (415) in a sliding mode, the ring scraping frame (602) is in threaded connection with the screw rod (601) through a set screw hole, a plurality of auxiliary discharging grooves used for enabling scraped objects to fall are formed in the ring scraping frame (602) in a circumferential array mode, the inner side wall and the outer side wall of the ring scraping frame (602) are respectively provided with a ring of rubber strip used for scraping attachments, and the lower end face of the ring scraping frame (602) is connected with a spring sleeved on the screw rod (601).
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| CN117942654B (en) * | 2024-03-27 | 2024-06-04 | 江苏丹霞新材料有限公司 | Reaction kettle type centrifugal dewatering mechanism for ultraviolet absorbent |
| CN118512829A (en) * | 2024-07-23 | 2024-08-20 | 金昌泵鑫旺达环保科技有限公司 | Solid-liquid separation device for environmental protection of industrial solid waste |
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| CN101406769A (en) * | 2007-07-26 | 2009-04-15 | 刘之政 | Centrifugal sedimentation method and device thereof |
| CN110613980A (en) * | 2019-09-09 | 2019-12-27 | 沈智奇 | Multi-stage disc type solid-liquid separation or dust removal machine |
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