CN115228253A - Acid mist purification system applied to pickling line - Google Patents
Acid mist purification system applied to pickling line Download PDFInfo
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- CN115228253A CN115228253A CN202210949355.XA CN202210949355A CN115228253A CN 115228253 A CN115228253 A CN 115228253A CN 202210949355 A CN202210949355 A CN 202210949355A CN 115228253 A CN115228253 A CN 115228253A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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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 pickling unit, which relates to the technical field of relevant equipment of an annealing and acid pickling production line, and is characterized in that on the basis of absorbing acid mist generated in the process of pickling a steel strip in real time, the acid mist is recovered and matched with an adaptive alkaline solution, the alkaline solution is atomized to form alkali mist, and a rotary spraying assembly, a steering assembly and a driving assembly are arranged to ensure that the alkali mist and the acid mist are oppositely sprayed in a rotary direction to form a rotary convection reaction layer, so that the contact surface is larger, the acid-alkali neutralization reaction process is quicker, the condition information in the reaction process is sensed in real time, and the information is dynamically processed, so that the dynamic acid mist purification 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.
Description
Technical Field
The invention relates to the technical field of relevant equipment of an annealing and pickling production line, in particular to an acid mist purification system applied to a pickling line.
Background
The pickling process comprises two steps of pre-pickling and mixed acid pickling, wherein the first-stage pre-pickling adopts neutral salt electrolysis, the main purpose is to remove the residual metal oxide scale layer on the surface of the steel strip, the second-stage pickling adopts nitric acid-free pickling, the main purpose is to further remove Fe-Cr-Ni oxide compounds on the surface of the steel strip, so that the surface of the steel strip is smooth, acid mist can be generated in the pickling process of the steel strip, the main component of the acid mist generated in the pickling process is HF, hydrogen fluoride is toxic gas, and the air can be caused by direct discharge to cause environmental pollution;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
The invention aims to: on the basis of sucking acid mist generated in the process of pickling a steel strip in real time, the acid mist is recovered and matched with an alkaline solution adaptive to the acid mist, the alkaline solution is atomized to form alkaline mist, the rotary spraying assembly, the steering assembly and the driving assembly are arranged to enable the alkaline mist and the acid mist to be relatively sprayed in opposite rotary directions, a rotary convection reaction layer is formed, the contact surface is larger, the acid-alkali neutralization reaction process is quicker, and the dynamic acid mist purification treatment process is realized by sensing the condition information in the reaction process in real time and dynamically treating the information, so that 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;
in order to achieve the purpose, the invention adopts the following technical scheme:
an acid mist purification system applied to an acid pickling unit comprises a purification frame and a control panel, wherein an acid mist absorption cover is movably arranged in the purification frame, the top surface of the acid mist absorption cover is connected with a hollow lifting rod in a through mode, the hollow lifting rod is connected with a telescopic cylinder in a transmission mode, the telescopic cylinder is fixedly installed at the center of the top of the purification frame, an output shaft of the telescopic cylinder penetrates through the top wall of the purification frame and extends into the purification frame and is fixedly connected with the hollow lifting rod, one end of the hollow lifting rod is connected with an acid mist inlet pipe in a through mode, one end, far away from the hollow lifting rod, of the acid mist inlet pipe is connected with a purification bin in a through mode, rotary type spraying assemblies are rotationally arranged in the purification bin, the rotary type spraying assemblies are symmetrically provided with two rotary type spraying assemblies, the two rotary type spraying assemblies are oppositely arranged, and a steering assembly is arranged between the two rotary type spraying assemblies in a transmission mode, one of them spiral spraying subassembly is adapted with drive assembly, the spiral spraying subassembly and the acid mist intake pipe through connection at top, and acid mist intake pipe and spiral spraying subassembly rotate to be connected, the spiral spraying subassembly through connection of bottom has alkaline solution pipe, and the one end of alkaline solution pipe rotates with the spiral spraying subassembly of bottom to be connected, the inner wall that the other end of alkaline solution pipe runs through purification storehouse extends to its outside and external alkaline solution source, purification storehouse's top through connection has the blast pipe, purification storehouse's bottom minimum point department through connection has the unloading pipe, be equipped with the collection box under the unloading pipe, install baroceptor, level sensor and turbidity sensor in the purification storehouse, be equipped with the circulating pipe between alkaline solution pipe and the unloading pipe, equal negative pressure pump is installed in circulating pipe and the acid mist intake pipe, the blast pipe, all install the one-way control valve on acid mist intake pipe and the unloading pipe, control panel installs start button and display panel, control panel and baroceptor, level sensor and turbidity sensor electric connection, control panel includes the data storage module of storing the interior gas-liquid information of clean room in real time and acquires the interior gas-liquid information of clean room and handle the dynamic purification module of execution in the data storage module in real time.
Further, the bottom surface symmetry edgewise department of acid mist absorption cover is fixed and is equipped with the deflector, and the top symmetry of acid mist absorption cover is equipped with prevents the hinge bar that heels, the both ends of preventing the hinge bar that heels are articulated with purification frame and acid mist absorption cover respectively, the acid mist absorption cover internal symmetry is equipped with the U-shaped support frame, two the middle part of U-shaped support frame is the arc recess.
Further, formula of revolving spraying subassembly includes hollow ring, the hollow bull stick of one end fixedly connected with of hollow ring, the fixed hollow connecting rod and the formula of revolving fan blade that is equipped with in outer end of hollow ring, formula of revolving fan blade and hollow connecting rod all are equipped with a plurality ofly, formula of revolving fan blade and hollow connecting rod all use the ring heart of hollow ring to distribute as the center and according to annular array, the crisscross clearance setting of formula of revolving fan blade and hollow connecting rod, hollow ring's one end fixedly connected with annular is kept away from to hollow connecting rod spouts the board, the opposite face that the board was spouted to the annular is equipped with the atomizing spout, board, hollow connecting rod, hollow ring and hollow bull stick are spouted to atomizing spout, annular and are through-connected in proper order.
Further, the hollow bull stick of rotary spraying subassembly at top runs through the inner wall that purifies the storehouse and extends to its outside and with acid mist intake pipe through connection, the hollow bull stick at top rotates with acid mist intake pipe to be connected, the bottom the hollow bull stick of rotary spraying subassembly rotates with alkaline solution pipe to be connected, and the hollow bull stick and the alkaline solution pipe of bottom are through being connected.
Furthermore, the steering assembly comprises a transmission rotating rod, the outer end of the transmission rotating rod is sleeved with a bottom column and a top shell, the bottom column is connected with the top shell in a clamped mode, a bolt is arranged between the bottom column and the top shell, the bottom column and the top shell are fixed through the bolt, a transmission bevel gear is fixedly arranged at one end of the transmission rotating rod, the transmission bevel gear is arranged in the bottom column, the outer end of the transmission bevel gear is meshed with a plurality of steering bevel gears, the steering bevel gears are arranged in a plurality of modes, the centers of the steering bevel gears are located at the centers, the centers of the steering bevel gears are distributed according to an annular array, the steering bevel gears are meshed with bevel gear sleeves back to one side of the transmission bevel gears, and the outer ends of the bevel gear sleeves are fixedly arranged in the bottom column.
Furthermore, one end, back to the transmission rotating rod, of the bottom column is fixedly connected with the hollow ring of the rotary spraying assembly at the bottom, the other end, back to the bottom column, of the transmission rotating rod is fixedly connected with the hollow ring of the rotary spraying assembly at the top, a steering central rod is fixedly sleeved at the inner end of the steering bevel gear, the steering central rod is rotatably arranged between the bottom column and the top shell, and the steering central rod is used for enhancing the stability of the steering bevel gear during rotation;
further, drive assembly includes servo motor, driving gear and driven gear, the fixed outer end of locating the clean room of servo motor, and servo motor's output shaft rotate the inner wall that runs through the clean room and extend to its inside and cup joint with the driving gear is fixed, driving gear and driven gear meshing, the outer end of the hollow bull stick at top is located to the driven gear cover.
Further, the gas-liquid information in the purification bin is composed of a gas pressure sensor for sensing the gas pressure change in the acid-base neutralization reaction process in the purification bin in real time, a liquid level sensor for sensing the liquid level height of the solution in the acid-base neutralization reaction process in the purification bin in real time, and a turbidity sensor for sensing the transparency of the solution in the acid-base neutralization reaction process in the purification bin in real time.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
on the basis of absorbing acid mist generated in the process of pickling a steel strip in real time, the acid mist is recovered and matched with an adaptive alkaline solution, the alkaline solution is atomized to form alkaline mist, the rotary spraying assembly, the steering assembly and the driving assembly are arranged to enable the alkaline mist and the acid mist to be oppositely sprayed in rotary directions, a rotary convection reaction layer is formed, the contact surface is larger, the acid-alkali neutralization reaction process is quicker, and the dynamic acid mist purification treatment process is realized by sensing the condition information in the reaction process in real time and dynamically treating the information, so that 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 pass through the discharge port and adsorb the discharge, cause environmental pollution, and current acid mist treatment facility is when generating precipitate or gaseous too much, can't realize intelligent processing, needs the staff to correspond the processing, causes equipment intelligent degree lower, the result of use is relatively poor is solved.
Drawings
FIG. 1 shows a front view of the present invention;
FIG. 2 shows a cross-sectional view at the purge bin;
FIG. 3 shows a cross-sectional view at the hollow spindle;
FIG. 4 shows an enlarged cross-sectional view at the bevel gear;
FIG. 5 shows a partial enlarged view at A of FIG. 2;
FIG. 6 shows a purification flow diagram of the present invention;
illustration of the drawings: 1. a pickling tank; 2. a purification rack; 3. an acid mist suction hood; 4. a hollow lifter; 5. a telescopic cylinder; 6. a purifying bin; 7. a rotary spray assembly; 8. a steering assembly; 9. a drive assembly; 10. a negative pressure pump; 11. a guide plate; 12. an anti-roll hinge bar; 13. a U-shaped support frame; 14. a steel strip coil; 15. an alkaline solution tube; 16. an exhaust pipe; 17. an acid mist inlet pipe; 18. a feeding pipe; 19. a recycling bin; 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 jet 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 pillar; 806. a top shell; 807. a bolt; 808. a bevel gear sleeve; 901. a servo motor; 902. a driving gear; 903. a driven gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1-6, an acid mist purification system applied to an acid pickling unit comprises a purification frame 2 installed outside an acid pickling tank 1, an acid mist suction cover 3 is movably arranged in the purification frame 2, a hollow lifting rod 4 is connected to the top surface of the acid mist suction cover 3 in a penetrating manner, a telescopic cylinder 5 is connected to the hollow lifting rod 4 in a transmission manner, the telescopic cylinder 5 is fixedly installed 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 and extends into the purification frame and is fixedly connected with the hollow lifting rod 4, an acid mist inlet pipe 17 is connected to one end of the hollow lifting rod 4 in a penetrating manner, one end, far away from the hollow lifting rod 4, of the acid mist inlet pipe 17 is connected with a purification bin 6 in a penetrating manner, the acid mist inlet pipe 17 is a hose, guide plates 11 are fixedly arranged on the symmetrical edges of the bottom surface of the acid mist suction cover 3, opposite surfaces of the two guide plates 11 are abutted against the side wall of the acid pickling tank 1, the top end of the acid mist suction cover 3 is symmetrically provided with anti-tilting hinged rods 12, two ends of the anti-tilting hinged rods 12 are respectively hinged to the purification frame 2 and hinged to the purification frame 3, the U-shaped support frame is provided with a U-shaped groove 14, and the U-shaped groove;
the rotary spraying components 7 are rotatably arranged in the purification bin 6, two rotary spraying components 7 are symmetrically arranged, the two rotary spraying components 7 are oppositely arranged, a steering component 8 is arranged between the two rotary spraying components 7 in a transmission manner, one rotary spraying component 7 is matched with a driving component 9, the driving component 9 is used for driving one rotary spraying component 7 to rotate in the forward direction and then to twist the rotary direction through the transmission of the steering component 8, so that the other rotary spraying component 7 rotates in the reverse direction, the rotary spraying component 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 rotational connection with the rotary spraying component 7, the rotary spraying component 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 rotational connection with the rotary spraying component 7 at the bottom, the other end of the alkaline solution pipe 15 penetrates through the inner wall of the purification bin 6 and extends to the outside of the purification bin and is externally connected with an alkaline solution source, the top of the purification bin 6 is connected with an exhaust pipe 16, one end of the exhaust gas collection tank is externally connected with a negative pressure turbidity circulation pipe, a gravity liquid level sensor 18 and a gravity liquid level sensor 20 are arranged below the purification bin 18, a gravity liquid level sensor 18 and a gravity liquid level sensor 18 arranged below the purification bin 18, a gravity liquid level sensor 18 and a gravity liquid level sensor 18 arranged below the purification bin 6, the exhaust pipe 16, the acid mist inlet pipe 17 and the discharge pipe 18 are all provided with one-way control valves 24, so that one-way circulation of fluid is ensured;
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, the outer end of the hollow ring 702 is fixedly provided with a hollow connecting rod 704 and a plurality of rotary fan blades 705, the rotary fan blades 705 and the hollow connecting rod 704 are both distributed according to an annular array by taking the annular center of the hollow ring 702 as the center, the rotary fan blades 705 and the hollow connecting rod 704 are arranged in a staggered clearance manner, 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 atomizing nozzle 706, the annular spray plate 701, the hollow connecting rod 704, the hollow ring 702 and the hollow rotating rod are sequentially connected in a penetrating manner, so that the hollow rotating rod 703 of the rotary spraying assembly 7 at the top extends to the outside of the purification bin 6 through the inner wall of the purification bin and is connected with an acid mist air inlet pipe 17 in a penetrating manner, the hollow rotating rod 703 of the rotary spraying assembly 7 at the bottom is connected with an alkaline solution pipe 15 in a rotating manner, and the hollow rotating rod 703 is connected with the alkaline solution pipe 15 through the hollow rotating rod 703;
an external alkaline solution or an acidic solution sequentially enters the hollow ring 702, the hollow connecting rod 704 and the annular spraying plate 701 through the hollow rotating rod 703 and 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 to rotate, then the hollow connecting rod 704 rotates to drive the annular spraying plate 701 which is fixed with the hollow ring to rotate, the annular spraying plate 701 rotates to provide a rotary force for sprayed atomized liquid, so that the atomized liquid rotates, meanwhile, the rotary fan blade 705 rotates to blow in the direction of the atomizing nozzle 706, so that the rotary force of the atomized liquid is enhanced, and two opposite rotary directions of the rotary spraying assembly 7 are opposite, so that the convection strength of the atomized liquid is increased, and the contact degree of the atomized liquid is enhanced;
the steering assembly 8 comprises a driving rotating rod 801, a bottom column 805 and a top shell 806 are sleeved at the outer end of the driving 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 driving bevel gear 802 is fixedly sleeved at one end of the driving rotating rod 801, the driving bevel gear 802 is arranged in the bottom column 805, the outer end of the driving bevel gear 802 is connected with a plurality of steering bevel gears 803 in a meshed manner, the steering bevel gears 803 are arranged in a plurality of pairs, the steering bevel gears 803 are distributed in an annular array by taking the circle center of the driving bevel gears 802 as the center, one sides of the plurality of steering bevel gears 803 opposite to the driving bevel gears 802 are connected with a bevel gear sleeve 808 in a meshed manner, the outer end of the bevel gear sleeve 808 is fixedly arranged in the bottom column 805, one end of the bottom column opposite to the driving rotating rod 801 is fixedly connected with a hollow ring 702 of the rotary spray assembly 7 at the bottom, the other end of the bottom column 801 is fixedly connected with the hollow ring 702 of the rotary spray assembly 7 at the top, a central rod 805, a fixed sleeve 804 is arranged at the inner end of the fixed sleeve 804, the central rod 803 of the central rod 804, the central rod 804 is arranged between the bottom column and the top rod 804, and the central rod 804 for enhancing the central rod 804 for the stability of the rotary rod 806 for rotating rod 806 when the central rod 806 for rotating the central rod 806;
the specific process of the steering is as follows, the transmission rotating rod 801 rotates forward to drive the transmission bevel gear 802 fixed with the transmission rotating rod to rotate forward, the transmission bevel gear 802 rotates forward to drive the steering bevel gear 803 engaged with the transmission rotating rod to rotate reversely around the steering central rod 804, the rotation direction of the outer ring line of the plurality of steering bevel gears 803 after rotating reversely is reverse rotation, so as to drive the bevel gear sleeve 808 engaged with the steering bevel gear 803 to rotate reversely, the bevel gear sleeve 808 rotates reversely to drive the bottom column 805 fixed with the bottom column to rotate reversely, when the transmission rotating rod 801 rotates forward, the hollow ring 702 drives the rotary spray assembly 7 at the top of the transmission rotating rod to rotate forward, and the hollow ring 702 drives the rotary spray assembly 7 at the bottom of the transmission rotating rod to rotate reversely, so as to realize different rotation speeds of the two rotary spray assemblies 7, thereby forming stable differential speed sliding transmission, so as to enable the liquid sprayed by the two rotary spray assemblies 7 to be differentiated, and form a larger convection contact surface;
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 purifying bin 6, an output shaft of the servo motor 901 rotates to penetrate through the inner wall of the purifying bin 6 to extend into the purifying bin 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 the hollow rotating rod 703 at the top, the servo motor 901 is started to work and controls the output shaft to rotate, the output shaft of the servo motor 901 rotates to drive the driving gear 902 fixedly sleeved with the output shaft to rotate, the driving gear 902 rotates to drive the driven gear 903 meshed with the driving gear to rotate, the driven gear 903 rotates to drive the hollow rotating rod 703 at the top fixedly sleeved with the driven gear 903 to rotate, 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 purifying 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 purifying module;
working principle, when in use:
step one, the pickling line is wrapped at the outer end of a pickling tank 1, then a steel strip coil 14 is placed between two U-shaped support frames 13, then a telescopic cylinder 5 is started to work, an output shaft of the telescopic cylinder 5 is controlled to descend after the telescopic cylinder 5 works, the output shaft of the telescopic cylinder 5 descends to drive an acid mist suction cover 3 and the U-shaped support frames 13 fixed with the telescopic cylinder to move downwards until the acid mist suction cover 3 is abutted to the top surface of the pickling tank 1 and covers the steel strip coil 14 on the U-shaped support frames 13 to submerge into the pickling tank 1, pickling is carried out on the steel strip coil 14 by a pickling medium in the pickling tank 1, and acid mist can be generated at the moment;
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 acid mist at the acid mist suction cover 3 through the acid mist inlet pipe 17 and injecting the acid mist into a rotary spraying assembly 7 at the top, then uniformly spraying the acid mist downwards into a purification bin 6 through the rotary spraying 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 spraying assembly 7 at the bottom through the alkaline solution pipe 15, atomizing the alkaline solution by the rotary spraying assembly 7 and uniformly spraying the alkaline solution upwards into the purification bin 6, opening a driving assembly 9 to work and matching with the transmission of a steering assembly 8 to drive the two rotary spraying assemblies 7 to rotate in opposite directions, and forming violent strong convection contact between two solutions which are relatively sprayed after the two rotary spraying assemblies 7 rotate in opposite directions so as to generate acid-base neutralization reaction and generate precipitation in the rotary spraying assemblies 7;
step three, in the process of the 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 height 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;
the real-time generated air pressure change 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 the 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, 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 in real time through the data storage module and respectively marks the air pressure change, the liquid level height and 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 gas in the purification bin 6 enters an external waste gas collection tank through the exhaust pipe 16, the phenomenon that the air pressure in the purification bin 6 is too high to cause potential safety hazards is avoided, otherwise, the one-way control valve 24 at the exhaust pipe 16 is immediately controlled to be closed to prevent more acid mist from flowing out to reduce the cleaning effect, and a plurality of purification components related to the second step can be added to enhance the purification efficiency;
meanwhile, a preset liquid level threshold value W corresponding to the liquid level height W of the solution in the acid-base neutralization reaction process in the purification bin 6 is obtained through the data storage module, when the W is larger than or equal to wmax, a preset transparency threshold value 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 value R, when the R is smaller than rmin, the one-way control valve 24 at the alkaline solution pipe 15 is controlled to be closed, the negative pressure pump 10 at the circulating pipe 26 is opened, the solution is extracted from the bottom of the purification bin 6 through the discharge pipe 18, the circulating pipe 26 and the alkaline solution pipe 15 and injected into the rotary spray assembly 7 at the bottom, the reacted solution reacts with acid mist again, the residual liquid is fully utilized until the R is larger than or equal to rmax, the negative pressure pump 10 at the circulating pipe 26 is closed, the one-way control valve 24 at the alkaline solution pipe 15 and the discharge pipe 18 is opened at the same time, the alkaline solution continues to react in the purification bin 6, the outflow of the reacted solution, when the R is smaller than rmax, the one-way control valve 24 is opened, the alkaline solution control valve is immediately closed, and the alkaline solution is increased, the one-way control valve is increased; thereby solving the problems of unsmooth operation of the equipment caused by excessive sediment and low efficiency due to overhigh air pressure and liquid level in the equipment
By integrating the technology, on the basis of absorbing acid mist generated in the process of pickling steel strips in real time, the acid mist is recovered and matched with an adaptive alkaline solution, the alkaline solution is atomized to form alkaline mist, the rotary spraying assembly 7, the steering assembly 8 and the driving assembly 9 are arranged to enable the alkaline mist and the acid mist to be sprayed oppositely in rotary directions to form a rotary convection reaction layer, so that the contact surface is larger, the acid-alkali neutralization reaction process is quicker, the condition information in the reaction process is sensed in real time, and the information is dynamically processed, so that 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 pass through the discharge port and adsorb the discharge, cause environmental pollution, and current acid mist treatment facility is when generating precipitate or gaseous too much, can't realize intelligent processing, needs the staff to correspond the processing, causes equipment intelligent degree lower, the result of use is relatively poor is solved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. An acid mist purification system applied to an acid pickling unit comprises a purification frame (2) and a control panel (25), and is characterized in that 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 connected with a hollow lifting rod (4) in a penetrating manner, the hollow lifting rod (4) is connected with a telescopic cylinder (5) in a transmission manner, the telescopic cylinder (5) is fixedly installed 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) and extends into the purification frame and is fixedly connected with the hollow lifting rod (4), one end of the hollow lifting rod (4) is connected with an acid mist inlet pipe (17) in a penetrating manner, one end, far away from the hollow lifting rod (4), of the acid mist inlet pipe (17) is connected with a purification bin (6) in a penetrating manner, a rotary spraying assembly (7) is rotatably arranged in the purification bin (6), the rotary spraying assemblies (7) are symmetrically arranged, two rotary spraying assemblies (7) are oppositely arranged, and a rotary spraying assembly (8) is arranged between the two rotary spraying assemblies (7);
one rotary spraying assembly (7) is matched with a driving assembly (9), the rotary spraying assembly (7) at the top is in through connection with an acid mist inlet pipe (17), the acid mist inlet pipe (17) is in rotary connection with the rotary spraying assembly (7), the rotary spraying 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 spraying assembly (7) at the bottom, the other end of the alkaline solution pipe (15) penetrates through the inner wall of a purifying bin (6) and extends to the outside of the purifying bin and is externally connected with an alkaline solution source, the top of the purifying bin (6) is in through connection with an exhaust pipe (16), the lowest point of the bottom of the purifying bin (6) is in through connection with a blanking pipe (18), a turbidity recovery box (19) is arranged right below the blanking pipe (18), an air pressure sensor (20), a liquid level sensor (21) and a turbidity sensor (22) are installed in the purifying bin (6), and a circulating pipe (26) is arranged between the alkaline solution pipe (15) and the blanking pipe (18);
all install negative pressure pump (10) on circulating pipe (26) and acid mist intake pipe (17), all install on blast pipe (16), acid mist intake pipe (17) and unloading pipe (18) one-way control valve (24), start button and display panel are installed in control panel (25), control panel (25) and baroceptor (20), level sensor (21) and turbidity sensor (22) electric connection, data storage module and the interior gas-liquid information of real-time storage purification storehouse (6) interior gas-liquid information of real-time acquisition data storage module are drawn together in control panel (25) and the dynamic purification module of processing execution in purification storehouse (6).
2. The acid mist purification system applied to the acid pickling line as claimed in claim 1, wherein the bottom surface of the acid mist suction cover (3) is symmetrically and fixedly provided with guide plates (11) along the edges, the top end of the acid mist suction cover (3) is symmetrically provided with anti-tilting hinge rods (12), two ends of each anti-tilting hinge rod (12) are respectively hinged with the purification frame (2) and the acid mist suction cover (3), the acid mist suction cover (3) is internally and symmetrically provided with U-shaped support frames (13), and the middle parts of the two U-shaped support frames (13) are arc-shaped grooves.
3. The acid mist purification system applied to the acid pickling line as claimed in 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), the outer end of the hollow ring (702) is fixedly provided with a hollow connecting rod (704) and a rotary fan blade (705), the rotary fan blade (705) and the hollow connecting rod (704) are provided with a plurality of rotary fan blades, the rotary fan blade (705) and the hollow connecting rod (704) are distributed in an annular array by taking the ring core of the hollow ring (702) as the center, the rotary fan blade (705) and the hollow connecting rod (704) are arranged in a staggered and spaced manner, one end of the hollow connecting rod (704) far away from the hollow ring (702) is fixedly connected with an annular spraying plate (701), the opposite surface of the annular spraying plate (701) is provided with an atomizing nozzle (706), the annular spraying plate (701), the hollow connecting rod (704), the hollow ring (702) and the hollow rotating rod (703) are sequentially connected in a penetrating manner.
4. The acid mist purification system applied to the acid pickling line as claimed in claim 3, wherein the hollow rotating rod (703) of the rotary spray assembly (7) at the top extends to the outside of the purification bin (6) through the inner wall of the purification bin and is connected with the acid mist inlet pipe (17) in a penetrating manner, the hollow rotating rod (703) at the top is rotatably connected with the acid mist inlet pipe (17), the hollow rotating rod (703) of the rotary spray assembly (7) at the bottom is rotatably connected with the alkaline solution pipe (15), and the hollow rotating rod (703) at the bottom is connected with the alkaline solution pipe (15) in a penetrating manner.
5. The acid mist purification system applied to the acid pickling line as claimed in claim 3, wherein 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), the outer end of the transmission bevel gear (802) is connected with a steering bevel gear (803) in a meshing manner, the steering bevel gear (803) is arranged in a plurality, the steering bevel gear (803) is distributed in an annular array manner centering on the circle center of the transmission bevel gear (802), one side, opposite to the transmission bevel gear (802), of the plurality of the steering bevel gear (803) is connected with a bevel gear sleeve (808), and the outer end of the fixed bevel sleeve (805) is arranged in the bottom column (806).
6. The acid mist purification system applied to the acid pickling line as claimed in claim 5, wherein one end of the bottom column (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 column (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 arranged at the inner end of the steering bevel gear (803), the steering center rod (804) is rotatably arranged between the bottom column (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 pickling line as claimed in 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) rotatably penetrates through the inner wall of the purification bin (6), extends into the purification bin and is fixedly sleeved 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.
8. The acid mist purification system applied to the pickling line as claimed in claim 1, wherein the gas-liquid information in the purification bin (6) is composed of a gas pressure sensor (20) for sensing the gas pressure change in the acid-base neutralization reaction process in the purification bin (6) in real time, a liquid level sensor (21) for sensing the liquid level of the solution in the purification bin (6) in the acid-base neutralization reaction process in real time, and a turbidity sensor (22) for sensing the transparency of the solution in the purification bin (6) in the acid-base neutralization reaction process in real time.
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 true CN115228253A (en) | 2022-10-25 |
| CN115228253B CN115228253B (en) | 2023-05-12 |
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Citations (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 |
| 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 |
| WO2022016725A1 (en) * | 2020-07-20 | 2022-01-27 | 清远市嘉禾稀有金属有限公司 | Suction-type ore-dissolving acid mist spraying tower |
| CN216171358U (en) * | 2021-11-25 | 2022-04-05 | 袁世柳 | Chromium plating production line chromic acid fog collection processing apparatus |
-
2022
- 2022-08-09 CN CN202210949355.XA patent/CN115228253B/en active Active
Patent Citations (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 |
| WO2022016725A1 (en) * | 2020-07-20 | 2022-01-27 | 清远市嘉禾稀有金属有限公司 | Suction-type ore-dissolving acid mist spraying 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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| CN115228253B (en) | 2023-05-12 |
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