CN115228253B - Acid mist purifying system applied to acid washing unit - Google Patents
Acid mist purifying system applied to acid washing unit Download PDFInfo
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- CN115228253B CN115228253B CN202210949355.XA CN202210949355A CN115228253B CN 115228253 B CN115228253 B CN 115228253B CN 202210949355 A CN202210949355 A CN 202210949355A CN 115228253 B CN115228253 B CN 115228253B
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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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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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
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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Abstract
The invention discloses an acid mist purification system applied to an acid washing machine set, which relates to the technical field of equipment related to an annealing and acid washing production line.
Description
Technical Field
The invention relates to the technical field of equipment related to an annealing and pickling production line, in particular to an acid mist purifying system applied to a pickling line.
Background
The pickling process comprises two steps of pre-pickling and mixed acid pickling, wherein the primary pre-pickling adopts neutral salt electrolysis, the main purpose is to remove the residual metal oxide scale layer on the surface of the strip steel, the secondary pickling adopts nitric acid-free pickling, the main purpose is to further remove Fe-Cr-Ni oxide compounds on the surface of the strip steel, the surface of the strip steel is smooth, acid mist can be generated in the pickling process of the strip steel, the main component of the acid mist generated in the pickling process is HF, the hydrogen fluoride is toxic gas, and the direct discharge can cause the air to cause environmental pollution, and the existing acid mist treatment equipment cannot realize intelligent treatment when generating sediment or excessive gas, and needs staff to correspondingly treat the equipment, so that the intelligent degree of the equipment is lower and the use effect is poor;
in view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims at: on the basis of absorbing acid mist generated in the process of pickling the steel strip in real time, the acid mist is recovered, matched with an alkaline solution which is matched with the acid mist, the alkaline solution is atomized to form alkali mist, a rotary spraying component, a steering component and a driving component are arranged, so that the alkali mist and the acid mist are oppositely sprayed in a rotary mode to form a rotary convection reaction layer, the contact surface is larger, the acid-base neutralization reaction process is quicker, the information is dynamically processed through real-time sensing of condition information in the reaction process, the dynamic acid mist purification process is realized, the purification process is more intelligent, the purification efficiency is higher, the participation of staff is reduced, and the health and safety of the staff are protected;
in order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an acid mist purifying system for acid-washing machine group, includes purification frame and control panel, the activity is equipped with the acid mist and absorbs the cover in the purification frame, the top surface through-connection that the cover was absorbed to the acid mist has hollow lifter, hollow lifter transmission is connected with flexible cylinder, flexible cylinder fixed mounting is in the top center department of purification frame, the output shaft of flexible cylinder runs through the roof of purification frame and extends to its inside and with hollow lifter fixed connection, hollow lifter one end through-connection has the acid mist intake pipe, the one end through-connection that the hollow lifter was kept away from to the acid mist intake pipe has the purification storehouse, the purification storehouse rotation is equipped with rotatory spray subassembly, rotatory spray subassembly symmetry is equipped with two, and two rotatory spray subassemblies set up relatively, and the transmission is equipped with steering assembly between the two rotatory spray subassemblies, one of them spiral spray subassembly is fit with drive assembly, the spiral spray subassembly and the acid mist intake pipe in top link up, and acid mist intake pipe and spiral spray subassembly rotate to be connected, the spiral spray subassembly of bottom link up and is connected with alkaline solution pipe, and alkaline solution pipe's one end and the spiral spray subassembly of bottom rotate to be connected, alkaline solution pipe's the other end runs through the inner wall of purifying bin and extends to its outside and external alkaline solution source, purifying bin's top link up and is connected with the blast pipe, purifying bin's bottom nadir department link up and is connected with the unloading pipe, be equipped with the recovery box under the unloading pipe, install barometric sensor, level sensor and turbidity sensor in the purifying bin, be equipped with the circulating pipe between alkaline solution pipe and the unloading pipe, all install the negative pressure pump on circulating pipe and the acid mist intake pipe, blast pipe, the automatic control device comprises an acid mist inlet pipe, a discharging pipe, a starting button, a control panel, a gas pressure sensor, a liquid level sensor, a turbidity sensor and a data storage module, wherein the acid mist inlet pipe and the discharging pipe are respectively provided with a one-way control valve, the control panel is provided with the starting button and the display panel, the control panel is electrically connected with the gas pressure sensor, the liquid level sensor and the turbidity sensor, and the control panel comprises the data storage module for storing gas-liquid information in a purification bin in real time and the dynamic purification module for acquiring the gas-liquid information in the purification bin in the data storage module in real time and processing and executing the gas-liquid information.
Further, guide plates are fixedly arranged at the symmetrical edge of the bottom surface of the acid mist absorbing cover, anti-rolling hinging rods are symmetrically arranged at the top end of the acid mist absorbing cover, two ends of each anti-rolling hinging rod are hinged with the purifying frame and the acid mist absorbing cover respectively, U-shaped supporting frames are symmetrically arranged in the acid mist absorbing cover, and arc-shaped grooves are formed in the middle of the two U-shaped supporting frames.
Further, the rotary type spraying component comprises a hollow ring, one end fixedly connected with hollow bull stick of hollow ring, hollow connecting rod and rotary type fan blade are fixed to the outer end of hollow ring, rotary type fan blade and hollow connecting rod all are equipped with a plurality of, rotary type fan blade and hollow connecting rod all use the ring center of hollow ring as the center and distribute according to annular array, the crisscross clearance setting of rotary type fan blade and hollow connecting rod, the one end fixedly connected with annular spray plate of hollow ring is kept away from to hollow connecting rod, the opposite face of annular spray plate is equipped with atomizing spout, annular spray plate, hollow connecting rod, hollow ring and hollow bull stick link up the connection in proper order.
Further, the hollow rotating rod of the rotary spraying assembly at the top penetrates through the inner wall of the purification bin, extends to the outside of the purification bin and is in through connection with the acid mist air inlet pipe, the hollow rotating rod at the top is rotationally connected with the acid mist air inlet pipe, the hollow rotating rod of the rotary spraying assembly at the bottom is rotationally connected with the alkaline solution pipe, and the hollow rotating rod at the bottom is connected with the alkaline solution pipe through the connection.
Further, turn to the subassembly and include the transmission bull stick, the outer pot head of transmission bull stick is equipped with end post and top shell, end post and top shell joint, and be equipped with the bolt between end post and the top shell, the bolt is fixed end post and top shell, the fixed cover of one end of transmission bull stick is equipped with drive bevel gear, drive bevel gear locates in the end post, and drive bevel gear's outer end meshing is connected with turns to bevel gear, turn to bevel gear locates a plurality ofly, and turns to bevel gear and use drive bevel gear's centre of a circle as center and distribute according to annular array, a plurality of turn to bevel gear is connected with the awl tooth cover in drive bevel gear's one side meshing mutually, the outer end of awl tooth cover is fixed in the end post.
Further, one end of the bottom post, which is opposite to the transmission rotating rod, is fixedly connected with the hollow ring of the rotary spraying assembly at the bottom, the other end of the transmission rotating rod, which is opposite to the bottom post, is fixedly connected with the hollow ring of the rotary spraying assembly at the top, the inner end of the steering bevel gear is fixedly sleeved with a steering center rod, the steering center rod is rotationally arranged between the bottom post and the top shell, and the steering center rod is used for enhancing the stability of the steering bevel gear during rotation;
further, the drive assembly includes servo motor, driving gear and driven gear, servo motor is fixed to be located the outer end in purification storehouse, and servo motor's output shaft rotates and runs through the inner wall in purification storehouse and extend to its inside and fixedly cup joint with the driving gear, driving gear and driven gear meshing, the outer end of hollow bull stick at top is located to the driven gear cover.
Further, the gas-liquid information in the purifying bin is formed by sensing the gas pressure change in the acid-base neutralization reaction process in the purifying bin in real time by a gas pressure sensor, sensing the liquid level height of the solution in the acid-base neutralization reaction process in the purifying bin in real time by a liquid level sensor and sensing the transparency of the solution in the acid-base neutralization reaction process in the purifying bin in real time by a turbidity sensor.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
on the basis of absorbing acid mist generated in the process of pickling the steel strip in real time, the invention recovers and matches alkaline solution matched with the acid mist and atomizes the alkaline solution to form alkaline mist, and the rotating spray assembly, the steering assembly and the driving assembly are arranged to enable the alkaline mist and the acid mist to be oppositely sprayed in the rotating direction to form a rotating convection reaction layer, so that the contact surface is larger, the acid-base neutralization reaction process is quicker, and the information is dynamically processed by sensing the condition information in the reaction process in real time, thereby realizing the dynamic acid mist purification treatment process, leading the purification process to be more intelligent, leading the purification efficiency to be higher, reducing the participation of staff and protecting the health and safety of the staff; the problem of traditional pickling in-process, current acid mist is adsorbed through the discharge port and is discharged, causes environmental pollution, and current acid mist treatment facility when generating precipitate or gaseous too much, can't realize intelligent processing, needs the staff to correspond the processing, causes equipment intelligent degree lower, result in the result of service effect relatively poor is solved.
Drawings
FIG. 1 shows a front view of the present invention;
FIG. 2 shows a cross-sectional view at a purge bin;
FIG. 3 shows a cross-sectional view at a hollow turn bar;
FIG. 4 shows an enlarged cross-sectional view at the steering bevel gear;
FIG. 5 shows a partial enlarged view at A of FIG. 2;
FIG. 6 shows a purge flow diagram of the present invention;
legend description: 1. a pickling tank; 2. a purification rack; 3. an acid mist suction hood; 4. a hollow lifting rod; 5. a telescopic cylinder; 6. a purifying bin; 7. a spin-on spray assembly; 8. a steering assembly; 9. a drive assembly; 10. a negative pressure pump; 11. a guide plate; 12. an anti-roll hinge rod; 13. a U-shaped support frame; 14. a steel strip coil; 15. an alkaline solution tube; 16. an exhaust pipe; 17. an acid mist air inlet pipe; 18. discharging pipes; 19. a recovery box; 20. an air pressure sensor; 21. a liquid level sensor; 22. a turbidity sensor; 23. a gravity sensor; 24. a one-way control valve; 25. a control panel; 26. a circulation pipe; 701. an annular spray plate; 702. a hollow ring; 703. a hollow rotating rod; 704. a hollow connecting rod; 705. a rotary fan blade; 706. an atomizing nozzle; 801. a transmission rotating rod; 802. a drive bevel gear; 803. a steering bevel gear; 804. a steering center rod; 805. a bottom post; 806. a top shell; 807. a bolt; 808. conical tooth sleeve; 901. a servo motor; 902. a drive gear; 903. a driven gear.
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.
Example 1:
as shown in fig. 1-6, an acid mist purification system applied to an acid washing machine set comprises a purification frame 2 arranged on the outer side of an acid washing tank 1, an acid mist suction cover 3 is movably arranged in the purification frame 2, the top surface of the acid mist suction cover 3 is in through connection with a hollow lifting rod 4, the hollow lifting rod 4 is in transmission connection with a telescopic cylinder 5, the telescopic cylinder 5 is fixedly arranged at the center of the top of the purification frame 2, an output shaft of the telescopic cylinder 5 penetrates through the top wall of the purification frame 2 to extend into the purification frame and is fixedly connected with the hollow lifting rod 4, one end of the hollow lifting rod 4 is in through connection with an acid mist air inlet pipe 17, one end of the acid mist air inlet pipe 17, far away from the hollow lifting rod 4, is in through connection with a purification bin 6, the acid mist air inlet pipe 17 is a hose, guide plates 11 are fixedly arranged at symmetrical edges of the bottom surface of the acid mist suction cover 3, opposite surfaces of the two guide plates 11 are in sliding contact with the side walls of the acid washing tank 1, the top end of the acid mist suction cover 3 is symmetrically provided with an anti-hinging rod 12, two ends of the anti-hinging rod 12 are respectively hinged with the purification frame 2 and the acid mist suction cover 3, U-shaped support frames 13 are symmetrically arranged in the acid mist suction cover 3, two U-shaped support frames 13 are just in arc-shaped steel roll grooves 14, and the arc-shaped roll grooves 14 are placed in arc-shaped roll grooves;
the purification bin 6 is rotationally provided with rotary spray assemblies 7, the rotary spray assemblies 7 are symmetrically provided with two, the two rotary spray assemblies 7 are oppositely arranged, a steering assembly 8 is arranged between the two rotary spray assemblies 7 in a transmission manner, one of the rotary spray assemblies 7 is provided with a driving assembly 9 in an adapting manner, the driving assembly 9 is used for driving one of the rotary spray assemblies 7 to rotate forwards and then rotate in the rotating direction through the transmission of the steering assembly 8, the other rotary spray assembly 7 rotates reversely, the rotary spray assembly 7 at the top is in through connection with an acid mist air inlet pipe 17, the acid mist air inlet pipe 17 is in rotary connection with the rotary spray assembly 7 at the bottom, the rotary spray assembly 7 at the bottom is in through connection with an alkaline solution pipe 15, the alkaline solution pipe 15 is fixedly connected with the purification bin 6, one end of the alkaline solution pipe 15 is in rotary connection with the rotary spray assembly 7 at the bottom, the other end of the alkaline solution pipe 15 penetrates through the inner wall of the purification bin 6 to extend to the outside and is externally connected with an alkaline solution source, the top of the purification bin 6 is in through connection with an exhaust pipe 16, one end of the exhaust pipe 16 is externally connected with an exhaust gas collecting tank, the exhaust gas collecting tank is used for collecting residual exhaust gas after reaction, a discharging pipe 18 is in through connection with the lowest point of the bottom of the purification bin 6, a recovery box 19 is arranged right below the discharging pipe 18, a gravity sensor 23 is arranged on the recovery box 19, the gravity sensor 23 is used for sensing the weight of feed liquid in the recovery box 19, a gas pressure sensor 20, a liquid level sensor 21 and a turbidity sensor 22 are arranged in the purification bin 6, the gas pressure sensor 20, the liquid level sensor 21 and the turbidity sensor 22 are respectively used for detecting the gas pressure, the liquid level and the turbidity of the solution in the purification bin 6, a circulating pipe 26 is arranged between the alkaline solution pipe 15 and the discharging pipe 18, a negative pressure pump 10 is arranged on the circulating pipe 26 and the acid mist inlet pipe 17, the exhaust pipe 16, the acid mist inlet pipe 17 and the blanking pipe 18 are provided with one-way control valves 24, so that one-way circulation of fluid is ensured;
the rotary spray assembly 7 comprises a hollow ring 702, one end of the hollow ring 702 is fixedly connected with a hollow rotating rod 703, the outer end of the hollow ring 702 is fixedly provided with a hollow connecting rod 704 and rotary blades 705, the rotary blades 705 and the hollow connecting rod 704 are all provided with a plurality of rotary blades 705 and the hollow connecting rod 704, the rotary blades 705 and the hollow connecting rod 704 are all centered on the ring center of the hollow ring 702 and distributed in an annular array, the rotary blades 705 and the hollow connecting rod 704 are arranged in a staggered gap, one end of the hollow connecting rod 704, which is far away from the hollow ring 702, is fixedly connected with an annular spray plate 701, the opposite surface of the annular spray plate 701 is provided with an atomization nozzle 706, the annular spray plate 701, the hollow connecting rod 704, the hollow ring 702 and the hollow rotating rod 703 are sequentially connected in a penetrating way, so that the hollow rotating rod 703 at the top of the rotary spray assembly 7 penetrates through the inner wall of the purification bin 6 to the outside and is connected with the acid mist inlet pipe 17 in a penetrating way, the hollow rotating rod 703 is connected with the hollow rotating rod 703 at the bottom of the rotary spray assembly 7 is connected with the alkaline solution pipe 15 in a rotating way, and the hollow rotating rod 703 is connected with the alkaline solution pipe 15 in a penetrating way;
after entering the hollow ring 702, the hollow connecting rod 704 and the annular spraying plate 701 in sequence through the hollow rotating rod 703, the external alkaline solution or the acidic solution is uniformly sprayed out of the atomizing nozzle 706, the hollow ring 702 rotates to drive the rotary fan blade 705 and the hollow connecting rod 704 which are fixed with the hollow ring 702 to rotate, then the hollow connecting rod 704 rotates to drive the annular spraying plate 701 which is fixed with the hollow connecting rod 704 to rotate, the annular spraying plate 701 rotates to give a rotary force to sprayed atomized liquid, so that the atomized liquid rotates, and meanwhile, the rotary fan blade 705 rotates to blow the wind direction of the atomized liquid in the direction of the atomizing nozzle 706, so that the rotary force of the atomized liquid is enhanced, and the two opposite directions of the rotary spraying assembly 7 are opposite, so that the convection intensity of the atomized liquid is enhanced, and the contact degree of the atomized liquid is enhanced;
the steering assembly 8 comprises a transmission rotating rod 801, a bottom column 805 and a top shell 806 are sleeved at the outer end of the transmission rotating rod 801, the bottom column 805 is clamped with the top shell 806, a bolt 807 is arranged between the bottom column 805 and the top shell 806, the bottom column 805 is fixedly connected with the top shell 806 through the bolt 807, a transmission bevel gear 802 is fixedly sleeved at one end of the transmission rotating rod 801, the transmission bevel gears 802 are arranged in the bottom column 805, steering bevel gears 803 are meshed and connected with the outer ends of the transmission bevel gears 802, the steering bevel gears 803 are arranged in a plurality of the steering bevel gears 803, the centers of the transmission bevel gears 802 are used as centers, and distributed in an annular array, a plurality of the steering bevel gears 803 are meshed and connected with a bevel gear sleeve 808 on one side opposite to the transmission bevel gear 802, the outer ends of the bevel gear sleeve 808 are fixedly arranged in the bottom column 805, one end of the bottom column 805 opposite to the transmission bevel gear 801 is fixedly connected with a hollow ring 702 of the rotary spray assembly 7 on the bottom, the other end of the transmission rotating rod 801 is fixedly connected with the hollow ring 702 of the rotary spray assembly 7 on the top, the inner end of the steering bevel gears is fixedly sleeved with a steering center rod 804, the center rod 803 is arranged between the bottom column 803 and the top shell 803 and the center rod 803 is used for enhancing the rotation stability when the steering bevel gears 803 rotate;
the specific process of steering is that the transmission rotating rod 801 rotates forward to drive the transmission bevel gear 802 fixed with the transmission rotating rod 801 to rotate forward, the transmission bevel gear 802 rotates forward to drive the steering bevel gear 803 meshed with the transmission bevel gear to rotate reversely by taking the steering central rod 804 as the center of a circle, the external annular line of the steering bevel gears 803 rotate reversely to rotate reversely, so that the bevel gear sleeve 808 meshed with the steering bevel gear 803 is driven to rotate reversely, the bevel gear sleeve 808 rotates reversely to drive the bottom post 805 fixed with the steering bevel gear 803, when the transmission rotating rod 801 rotates forward to drive the rotary spray assembly 7 at the top of the transmission rotating rod through the hollow ring 702 to rotate forward, and the bottom post 805 rotates reversely to drive the rotary spray assembly 7 at the bottom of the transmission rotating rod through the hollow ring 702, so that the rotation speeds of the two rotary spray assemblies 7 are different with a simpler transmission structure, and stable differential sliding transmission is formed, the rotation speeds of fog liquid sprayed by the two rotary spray assemblies 7 are different, and a convection contact surface is formed;
the driving assembly 9 comprises a servo motor 901, a driving gear 902 and a driven gear 903, wherein the servo motor 901 is fixedly arranged at the outer end of the purification bin 6, an output shaft of the servo motor 901 rotates to extend into the purification bin 6 through the inner wall of the purification bin 6 and is fixedly sleeved with the driving gear 902, the driving gear 902 is meshed with the driven gear 903, the driven gear 903 is sleeved at the outer end of a hollow rotating rod 703 at the top, the servo motor 901 is started to work and control the output shaft of the servo motor 901 to rotate, the output shaft of the servo motor 901 rotates to drive the driving gear 902 fixedly sleeved with the driven gear 902 to rotate, the driven gear 903 rotates to drive the driven gear 903 meshed with the driving gear 902 to rotate, the hollow rotating rod 703 fixedly sleeved with the driven gear 903 rotates, and the hollow rotating rod 703 at the top rotates to enable the rotary spraying assembly 7 at the top to rotate;
the outer end of the purification bin 6 is fixedly provided with a control panel 25, the control panel 25 is provided with a start button and a display panel, the control panel 25 is electrically connected with the air pressure sensor 20, the liquid level sensor 21, the turbidity sensor 22 and the gravity sensor 23, and the control panel 25 comprises a data storage module and a dynamic purification module;
working principle, when in use:
firstly, the steel strip coil 14 is placed between two U-shaped supporting frames 13, then a telescopic cylinder 5 is started to work, an output shaft of the telescopic cylinder 5 is controlled to descend after working, the output shaft of the telescopic cylinder 5 descends to drive an acid mist suction cover 3 and the U-shaped supporting frames 13 fixed with the telescopic cylinder to move downwards until the acid mist suction cover 3 is abutted and covered on the top surface of the pickling tank 1, and the steel strip coil 14 on the U-shaped supporting frames 13 is submerged in the pickling tank 1 to pickle the steel strip coil 14 by pickling medium in the pickling tank 1, so that acid mist can be generated;
step two, in the process of pickling the steel strip, starting a negative pressure pump 10 at an acid mist inlet pipe 17 to work, generating negative pressure after the negative pressure pump 10 works, sucking and injecting acid mist at an acid mist sucking cover 3 to a rotary spray assembly 7 at the top through the acid mist inlet pipe 17, uniformly spraying the acid mist downwards into a purifying bin 6 through the rotary spray assembly 7 at the top, simultaneously opening a one-way control valve 24 at an alkaline solution pipe 15 to enable an external alkaline solution to enter the rotary spray assembly 7 at the bottom through the alkaline solution pipe 15, enabling the alkaline solution to be atomized and sprayed upwards into the purifying bin 6 through the rotary spray assembly 7, and opening a driving assembly 9 to work and cooperate with the transmission of a steering assembly 8, so that two rotary spray assemblies 7 are driven to rotate reversely in a rotary direction, and two solutions which are sprayed relatively after the two rotary spray assemblies 7 rotate reversely in a rotary direction form intense strong convection contact, so that acid and alkali neutralization reaction and precipitation are generated in the rotary spray assemblies;
step three, in the process of step two, the air pressure sensor 20 is used for sensing the air pressure change in the acid-base neutralization reaction process in the purification bin 6 in real time, the liquid level sensor 21 is used for sensing the liquid level of the solution in the acid-base neutralization reaction process in the purification bin 6 in real time, and the turbidity sensor 22 is used for sensing the transparency of the solution in the acid-base neutralization reaction process in the purification bin 6 in real time;
and the air pressure change generated in real time in the acid-base neutralization reaction process in the purification bin 6, the liquid level height of the solution in the acid-base neutralization reaction process in the purification bin 6 and the transparency of the solution in the acid-base neutralization reaction process in the purification bin 6 are sent to a data storage module of the control panel 25 for storage;
the dynamic purification module acquires the air pressure change in the acid-base neutralization reaction process in the purification bin 6 and the liquid level of the solution in the acid-base neutralization reaction process in the purification bin 6 and the transparency of the solution in the acid-base neutralization reaction process in the purification bin 6 in real time through the data storage module, and respectively marks the transparency as Q, W and R;
then, a preset pressure value Q corresponding to the air pressure change Q in the acid-base neutralization reaction process in the purification bin 6 is obtained through the data storage module, when the air pressure change Q in the acid-base neutralization reaction process in the purification bin 6 is larger than the preset pressure value Q, the one-way control valve 24 at the exhaust pipe 16 is immediately controlled to be opened, so that the air in the purification bin 6 enters an external waste gas collecting tank through the exhaust pipe 16, the potential safety hazard is prevented, otherwise, the one-way control valve 24 at the exhaust pipe 16 is immediately controlled to be closed, more acid mist is prevented from flowing out, the cleaning effect is reduced, and the purification components related to a plurality of steps II can be added, so that the purification efficiency is enhanced;
meanwhile, a preset liquid level threshold W corresponding to the liquid level W of the solution in the acid-base neutralization reaction process in the purification bin 6 is obtained through a data storage module, when W is more than or equal to wmax, a preset transparency threshold R corresponding to the transparency R of the solution in the acid-base neutralization reaction process in the purification bin 6 is immediately obtained, the transparency R of the solution in the acid-base neutralization reaction process in the purification bin 6 is compared with the preset transparency threshold R, when R < rmin, a one-way control valve 24 at the position of an alkaline solution pipe 15 is controlled to be closed and a negative pressure pump 10 at the position of a circulating pipe 26 is opened, the solution is extracted from the bottom of the purification bin 6 through a discharging pipe 18, the circulating pipe 26 and the alkaline solution pipe 15 and is injected into a rotary spray assembly 7 at the bottom, the reacted solution is reacted with acid mist again, residual liquid is fully utilized until R is more than or equal to rmax, at the moment, the negative pressure pump 10 at the position of the circulating pipe 26 is closed, and a one-way control valve 24 at the position of the alkaline solution pipe 15 and the discharging pipe 18 is opened simultaneously, the alkaline solution is continuously carried out to the purification bin 6, the solution after the reaction is made to flow out until R < rmx, and when W is less than wmin, the control valve 24 is controlled to be immediately opened, the one-way control valve 24 is controlled to be opened, and the alkaline solution is continuously opened; thereby solving the problems of unsmooth operation of equipment and lower efficiency caused by too high air pressure and liquid level and too much sediment in the equipment
According to the technology, on the basis of absorbing acid mist generated in the process of pickling the steel strip in real time, the acid mist is recovered, matched with the acid mist, the alkaline solution is atomized to form the alkali mist, the rotary spraying component 7, the steering component 8 and the driving component 9 are arranged, so that the alkali mist and the acid mist are oppositely sprayed in the rotary direction to form a rotary convection reaction layer, the contact surface is larger, the acid-base neutralization reaction process is quicker, the information is dynamically processed through the condition information in the real-time induction reaction process, the dynamic acid mist purification treatment process is realized, the purification process is more intelligent, the purification efficiency is higher, the participation of workers is reduced, and the health and safety of the workers are protected; the problem of traditional pickling in-process, current acid mist is adsorbed through the discharge port and is discharged, causes environmental pollution, and current acid mist treatment facility when generating precipitate or gaseous too much, can't realize intelligent processing, needs the staff to correspond the processing, causes equipment intelligent degree lower, result in the result of service effect relatively poor is solved.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (7)
1. The utility model provides an acid mist purifying system for pickling line, includes purification frame (2) and control panel (25), its characterized in that, purification frame (2) internalization is equipped with acid mist suction hood (3), the top surface of acid mist suction hood (3) link up and is connected with hollow lifter (4), hollow lifter (4) transmission is connected with telescopic cylinder (5), telescopic cylinder (5) fixed mounting is in the top center department of purification frame (2), the output shaft of telescopic cylinder (5) runs through the roof of purification frame (2) and extends to its inside and with hollow lifter (4) fixed connection, hollow lifter (4) one end link up and is connected with acid mist intake pipe (17), the one end link up that hollow lifter (4) was kept away from to acid mist intake pipe (17) is connected with purification storehouse (6), purification storehouse (6) rotation is equipped with rotary spray assembly (7), rotary spray assembly (7) symmetry is equipped with two rotary spray assembly (7) set up relatively, two rotary spray assembly (7) are equipped with steering assembly (8) between two rotary spray assembly (7);
one of the rotary spray assemblies (7) is provided with a driving assembly (9) in a fit mode, the rotary spray assembly (7) at the top is in through connection with an acid mist air inlet pipe (17), the acid mist air inlet pipe (17) is in rotary connection with the rotary spray assembly (7), the rotary spray assembly (7) at the bottom is in through connection with an alkaline solution pipe (15), one end of the alkaline solution pipe (15) is in rotary connection with the rotary spray assembly (7) at the bottom, the other end of the alkaline solution pipe (15) penetrates through the inner wall of a purification bin (6) to the outside and is externally connected with an alkaline solution source, an exhaust pipe (16) is in through connection with the top of the purification bin (6), a discharging pipe (18) is in through connection with the lowest point at the bottom of the purification bin (6), a recovery box (19) is arranged under the discharging pipe (18), an air pressure sensor (20), a liquid level sensor (21) and a turbidity sensor (22) are arranged in the purification bin (6), and a circulating pipe (26) is arranged between the alkaline solution pipe (15) and the discharging pipe (18);
negative pressure pumps (10) are arranged on the circulating pipe (26) and the acid mist inlet pipe (17), one-way control valves (24) are arranged on the exhaust pipe (16), the acid mist inlet pipe (17) and the blanking pipe (18), a starting button and a display panel are arranged on the control panel (25), the control panel (25) is electrically connected with the air pressure sensor (20), the liquid level sensor (21) and the turbidity sensor (22), and the control panel (25) comprises a data storage module for storing gas-liquid information in the purifying bin (6) in real time and a dynamic purifying module for acquiring the gas-liquid information in the purifying bin (6) in the data storage module in real time and performing processing;
the method comprises the steps of sending the air pressure change generated in real time in the acid-base neutralization reaction process in a purification bin (6), the liquid level height of a solution in the acid-base neutralization reaction process in the purification bin (6) and the transparency of the solution in the acid-base neutralization reaction process in the purification bin (6) to a data storage module of a control panel (25) for storage;
the dynamic purification module acquires the air pressure change in the acid-base neutralization reaction process in the purification bin (6) and the liquid level of the solution in the acid-base neutralization reaction process in the purification bin (6) and the transparency of the solution in the acid-base neutralization reaction process in the purification bin (6) in real time through the data storage module, and respectively marks the transparency as Q, W and R;
acquiring a preset pressure value corresponding to the air pressure change in the acid-base neutralization reaction process in the purification bin (6) through a data storage module, when the air pressure change Q in the acid-base neutralization reaction process in the purification bin (6) is larger than the preset pressure value Q, immediately controlling a one-way control valve (24) at the exhaust pipe (16) to be opened, so that the air in the purification bin (6) enters an external waste gas collecting tank through the exhaust pipe (16), otherwise, immediately controlling the one-way control valve (24) at the exhaust pipe (16) to be closed;
the method comprises the steps of acquiring a preset liquid level threshold corresponding to the liquid level W of a solution in the acid-base neutralization reaction process in a purification bin (6) through a data storage module, immediately acquiring the preset transparency threshold corresponding to the transparency R of the solution in the acid-base neutralization reaction process in the purification bin (6) when W is larger than or equal to wmax, comparing the transparency of the solution in the acid-base neutralization reaction process in the purification bin (6) with the preset transparency threshold, when R < rmin, controlling a one-way control valve (24) at a basic solution pipe (15) to be closed and opening a negative pressure pump (10) at a circulating pipe (26), extracting the solution from the bottom of the purification bin (6) through a discharging pipe (18), the circulating pipe (26) and the basic solution pipe (15) and injecting the solution into a rotary spraying component (7) at the bottom until R is larger than or equal to rmax, simultaneously opening the negative pressure pump (10) at the position of the basic solution pipe (15) and the one-way control valve (24) at the discharging pipe (18), and immediately controlling the one-way control valve (24) at the position of the discharging pipe (18) to be closed until R < x and W < wmin, wherein the basic solution is continuously closed, and the basic solution is continuously the basic solution is the largest, and the basic solution is continuously represented by the maximum basic solution capacity and the basic valve (24 is continuously opened.
2. The acid mist purification system applied to the acid washing machine set according to claim 1, wherein guide plates (11) are fixedly arranged at symmetrical edges of the bottom surface of the acid mist suction hood (3), anti-rolling hinging rods (12) are symmetrically arranged at the top ends of the acid mist suction hood (3), two ends of each anti-rolling hinging rod (12) are hinged with the purification frame (2) and the acid mist suction hood (3) respectively, U-shaped supporting frames (13) are symmetrically arranged in the acid mist suction hood (3), and the middle parts of the two U-shaped supporting frames (13) are arc-shaped grooves.
3. The acid mist purification system applied to the acid washing unit according to claim 1, wherein the rotary spraying assembly (7) comprises a hollow ring (702), one end of the hollow ring (702) is fixedly connected with a hollow rotating rod (703), a hollow connecting rod (704) and rotary blades (705) are fixedly arranged at the outer end of the hollow ring (702), the rotary blades (705) and the hollow connecting rod (704) are all provided with a plurality of, the rotary blades (705) and the hollow connecting rod (704) are distributed by taking the ring center of the hollow ring (702) as the center and according to an annular array, the rotary blades (705) and the hollow connecting rod (704) are arranged in a staggered gap, one end of the hollow connecting rod (704) away from the hollow ring (702) is fixedly connected with an annular spraying plate (701), and an atomization nozzle (706) is arranged on the opposite surface of the annular spraying plate (701), and the atomization nozzle (706), the annular spraying plate (701), the hollow connecting rod (702) and the hollow rotating rod (703) are sequentially connected in a penetrating mode.
4. An acid mist purification system for an acid washing unit according to claim 3, characterized in that the hollow rotating rod (703) of the rotary spraying assembly (7) at the top extends through the inner wall of the purification bin (6) to the outside and is in through connection with the acid mist inlet pipe (17), the hollow rotating rod (703) at the top is in rotational connection with the acid mist inlet pipe (17), the hollow rotating rod (703) of the rotary spraying assembly (7) at the bottom is in rotational connection with the alkaline solution pipe (15), and the hollow rotating rod (703) at the bottom is in through connection with the alkaline solution pipe (15).
5. An acid mist purification system applied to an acid washing unit according to claim 3, characterized in that the steering assembly (8) comprises a transmission rotating rod (801), a bottom column (805) and a top shell (806) are sleeved at the outer end of the transmission rotating rod (801), the bottom column (805) and the top shell (806) are clamped, a bolt (807) is arranged between the bottom column (805) and the top shell (806), the bottom column (805) and the top shell (806) are fixed by the bolt (807), a transmission bevel gear (802) is fixedly sleeved at one end of the transmission rotating rod (801), the transmission bevel gear (802) is arranged in the bottom column (805), steering bevel gears (803) are connected to the outer ends of the transmission bevel gears (803) in a meshed mode, the steering bevel gears (803) are distributed in a circular array mode with the circle centers of the transmission bevel gears (802), a taper sleeve (808) is connected to one side of the transmission bevel gears (803) opposite to the transmission bevel gears (802), and the outer ends of the transmission bevel gears (803) are fixedly arranged in the bottom column (805).
6. The acid mist purification system applied to the acid washing machine set according to claim 5, wherein one end of the bottom post (805) opposite to the transmission rotating rod (801) is fixedly connected with the hollow ring (702) of the rotary spraying assembly (7) at the bottom, the other end of the transmission rotating rod (801) opposite to the bottom post (805) is fixedly connected with the hollow ring (702) of the rotary spraying assembly (7) at the top, a steering center rod (804) is fixedly sleeved at the inner end of the steering bevel gear (803), the steering center rod (804) is rotatably arranged between the bottom post (805) and the top shell (806), and the steering center rod (804) is used for enhancing the stability of the steering bevel gear (803) during rotation.
7. The acid mist purification system applied to the acid washing unit according to claim 5, wherein the driving assembly (9) comprises a servo motor (901), a driving gear (902) and a driven gear (903), the servo motor (901) is fixedly arranged at the outer end of the purification bin (6), an output shaft of the servo motor (901) rotates to penetrate through the inner wall of the purification bin (6) to extend into the inside and fixedly sleeve with the driving gear (902), the driving gear (902) is meshed with the driven gear (903), and the driven gear (903) is sleeved at the outer end of the hollow rotating rod (703) at the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210949355.XA CN115228253B (en) | 2022-08-09 | 2022-08-09 | Acid mist purifying system applied to acid washing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210949355.XA CN115228253B (en) | 2022-08-09 | 2022-08-09 | Acid mist purifying system applied to acid washing unit |
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| CN115228253A CN115228253A (en) | 2022-10-25 |
| CN115228253B true CN115228253B (en) | 2023-05-12 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647107A (en) * | 2018-12-29 | 2019-04-19 | 江苏兴隆防腐设备有限公司 | A kind of acid mist scrubbing tower |
| CN110559833A (en) * | 2019-10-16 | 2019-12-13 | 苏州昇蓝环保科技有限公司 | Spray type acid mist purification tower |
| CN212388126U (en) * | 2020-06-28 | 2021-01-22 | 厦门市韩江环保科技有限公司 | Acid mist discharging device for electrodeposited copper production |
| CN111715046A (en) * | 2020-07-20 | 2020-09-29 | 清远市嘉禾稀有金属有限公司 | Suction type mineral-dissolving acid mist spray tower |
| CN213079382U (en) * | 2020-09-08 | 2021-04-30 | 大连永尚设备制造有限公司 | Acid pickling house-in-house structure based on acid mist collection |
| CN216171358U (en) * | 2021-11-25 | 2022-04-05 | 袁世柳 | Chromium plating production line chromic acid fog collection processing apparatus |
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