CN113479853B - Sulfuric acid recycling equipment for oxidation process of printing plate - Google Patents
Sulfuric acid recycling equipment for oxidation process of printing plate Download PDFInfo
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- CN113479853B CN113479853B CN202110941521.7A CN202110941521A CN113479853B CN 113479853 B CN113479853 B CN 113479853B CN 202110941521 A CN202110941521 A CN 202110941521A CN 113479853 B CN113479853 B CN 113479853B
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- sulfuric acid
- pipe
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 142
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 60
- 230000003647 oxidation Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004064 recycling Methods 0.000 title claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 103
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 238000001914 filtration Methods 0.000 claims abstract description 41
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 241000220317 Rosa Species 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 2
- 241000218378 Magnolia Species 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to the field of sulfuric acid recycling equipment, in particular to sulfuric acid recycling equipment for a printing plate oxidation process, an oxidation pond, wherein the oxidation pond is communicated with one side of a cooling box through a communicating pipe, the other side of the cooling box is communicated with a liquid inlet pipe of a liquid suction pump, a liquid outlet pipe of the liquid suction pump is communicated with the top of a filter box, the liquid outlet pipe sequentially penetrates through the top surface of the filter box, the top surface of a liquid receiving barrel and the top surface of the filter barrel, a through hole matched with the liquid outlet pipe is formed in the center of the top surface of the liquid receiving barrel and the top surface of the filter barrel, the through hole is rotatably connected with the liquid outlet pipe, the bottom surface of the filter barrel is fixed on the inner surface of the bottom of the liquid receiving barrel, the outer surface of the bottom of the liquid receiving barrel is fixedly connected with the upper surface of a turntable, the lower surface of the turntable is fixed on an output shaft of a motor, one end of the liquid receiving barrel is communicated with a return pipe, the other end of the return pipe is communicated with the oxidation pond, the filtering speed is high, automatic collection of filtered impurities is realized, working efficiency is greatly improved, meanwhile, the quality of an oxidation film is ensured, and recycling of resources is realized.
Description
Technical Field
The invention relates to the field of sulfuric acid recycling equipment, in particular to sulfuric acid recycling equipment for a printing plate oxidation process.
Background
The aluminum plate base of the printing plate is relatively soft, so sulfuric acid is often used as electrolyte for anodic oxidation treatment, a compact aluminum oxide protective layer is formed on the surface of the aluminum plate, the hardness of the aluminum plate is increased, impurities such as crystallization of sulfate, suspended particles and dust in the electrolyte and the like are often generated in the sulfuric acid solution in the process, the existence of the impurities can influence the quality of an oxide film, the aluminum plate base is subjected to filtration treatment, a filter plate is arranged for filtering impurities in the traditional filtration mode, on one hand, the filtration speed is very low, on the other hand, the filter plate is easily blocked due to the fact that the impurities are accumulated on the filter plate, the aluminum plate is often subjected to manual removal treatment, the sulfuric acid electrolyte is very troublesome and has low efficiency, and particularly, the sulfuric acid electrolyte has great harm to people and has great risks in the treatment process; in addition, in the prior art, when anodic oxidation is performed in an oxidation tank, the quality of an alumina protective layer is often poor due to the fact that the temperature of sulfuric acid electrolyte is too high, mixing is not uniform enough and the like.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention aims to provide the sulfuric acid recycling equipment for the printing plate oxidation process, which solves the problems existing in the prior art, and realizes the automatic collection of filtered impurities by circularly filtering sulfuric acid electrolyte in the oxidation reaction process with high filtering speed, thereby saving manpower and material resources, greatly improving the working efficiency, ensuring the quality of an oxidation film and realizing the recycling of resources.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a printing plate oxidation technology sulfuric acid recycling equipment, including the oxidation pond, the oxidation pond passes through one side of communicating pipe intercommunication cooler bin, the feed liquor pipe of opposite side intercommunication drawing liquid pump of cooler bin, the drain pipe intercommunication rose box's top, the drain pipe passes the top surface of rose box in proper order, connect the top surface of liquid bucket and the top surface of rose box, the top surface of connecing liquid bucket and the top surface central point department of rose box be equipped with the through-hole with drain pipe looks adaptation, through-hole and drain pipe swivelling joint, the bottom surface of rose box is fixed on the bottom internal surface of connecing liquid bucket, the bottom surface fixed connection carousel upper surface of connecing liquid bucket, the lower surface fixed of carousel is on the output shaft of motor, connect the one end that the liquid bucket intercommunication has the back flow, the other end intercommunication oxidation pond of back flow.
Preferably, the cooling tank is filled with cooling liquid, a curve-shaped pipe is arranged in the cooling liquid, one end of the curve-shaped pipe is communicated with the communicating pipe, and the other end of the curve-shaped pipe is communicated with the liquid inlet pipe.
Preferably, the filter vat is cylindrical, and the outside extension intercommunication of its side has the filter vat, and the filter vat is equipped with a plurality of along cylindrical filter vat round, and the filter vat is rotatory to produce the crooked certain radian in the direction of centrifugal force along the filter vat.
Preferably, two symmetrical arc-shaped doors are fixed at the middle position of the filter tank, the arc-shaped doors are provided with filter holes, and the tail ends of the arc-shaped doors are in contact with each other under the condition of no work and are inverted herringbone.
Preferably, the front end of the filter tank is provided with an impurity concentration tank, the impurity concentration tank comprises a peak-shaped part at the front end, two symmetrical arc-shaped filter doors are fixed at the tail end of the peak-shaped part, the tail ends of the arc-shaped filter doors are in contact with each other under the condition of no work and are in an inverted herringbone shape, the foremost part of the peak-shaped part is not provided with a filter hole, the inner surface of the foremost part is smooth, the bottom surface of the impurity concentration tank is provided with a hole through which impurities can pass, and the lower part of the hole is provided with an impurity collection tank fixed on the bottom surface of the filter tank.
Preferably, the impurity collecting tank is cylindrical and has an opening at the upper part, the bottom surface of the impurity collecting tank is equal to the bottom surface of the filter vat, the edge part of the impurity collecting tank is fixed on the edge of the bottom surface of the filter vat, the whole side surface of the impurity collecting tank is provided with a filter screen and a door, and the bottom surface of the impurity collecting tank is fixed on the bottom surface of the liquid receiving vat.
Preferably, the ends of the arcuate doors and arcuate filter doors are weakly magnetic.
Preferably, one end of the communicating pipe is connected to the left side surface of the oxidation tank near the bottom.
Preferably, the return pipe is communicated with the rightmost end of the bottom of the oxidation pond.
Preferably, the motor is set to rotate for five minutes and stop for ten seconds in the circulation mode while the filtration is performed.
(III) beneficial effects
1. According to the sulfuric acid recycling device for the printing plate oxidation process, disclosed by the invention, the sulfuric acid solution is continuously filtered and circulated in the reaction process, so that the sulfuric acid solution is recycled, and the recycling of resources is realized.
According to the invention, the cooling effect of the cooling box is utilized to cool the sulfuric acid solution in the oxidation tank, and the sulfuric acid solution is mixed by continuous circulation, so that the sulfuric acid solution is more uniform, and the quality of the aluminum oxide protective film is improved.
3. The invention greatly improves the filtering speed, and the filtering holes on the filter screen are not easy to be blocked, thereby realizing the automatic collection of the filtered impurities, saving manpower and material resources, improving the safety and greatly improving the working efficiency.
Drawings
Fig. 1 is an overall schematic of the present invention.
Fig. 2 is a perspective view of a filter box according to the present invention.
Fig. 3 is a schematic view of the inside of the cooling tank in the present invention.
Fig. 4 is a schematic structural view of a filter vat according to the present invention.
FIG. 5 is a schematic diagram showing a specific structure of a filter tank according to the present invention.
Fig. 6 is a schematic diagram showing an impurity concentration tank according to the present invention.
FIG. 7 is a schematic illustration of an impurity collection tank according to the present invention.
In the figure: 1-oxidation tank, 2-communicating pipe, 3-cooling tank, 4-drawing liquid pump, 5-feed liquor pipe, 6-drain pipe, 7-rose box, 8-connect liquid bucket, 9-rose box, 10-through-hole, 11-carousel, 12-motor, 13-output shaft, 14-back flow, 15-curved pipe, 16-filter tank, 17-arc door, 18-impurity concentration tank, 19-arc filter door, 20-peak form part, 21-peak form part's front end part, 22-impurity collecting tank, 23-impurity collecting tank's marginal portion, 24-door.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 7 of the embodiments of the present invention, and it is obvious that the described embodiments 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.
The invention provides a technical scheme that: the sulfuric acid recycling equipment for the printing plate oxidation process comprises an oxidation pond 1, wherein the oxidation pond 1 is communicated with one side of a cooling box 3 through a communicating pipe 2, the other side of the cooling box 3 is communicated with a liquid inlet pipe 5 of a liquid suction pump 4, a liquid outlet pipe 6 of the liquid suction pump 4 is communicated with the top of a filtering box 7, the liquid outlet pipe 6 sequentially penetrates through the top surface of the filtering box 7, the top surface of a liquid receiving barrel 8 and the top surface of a filtering barrel 9, a through hole 10 matched with the liquid outlet pipe 6 is formed in the central position of the top surface of the liquid receiving barrel 8 and the top surface of the filtering barrel 9, the through hole 10 is rotatably connected with the liquid outlet pipe 6, the bottom surface of the filtering barrel 9 is fixed on the inner surface of the bottom of the liquid receiving barrel 8, the outer surface of the bottom of the liquid receiving barrel 8 is fixedly connected with the upper surface of a rotary table 11, the lower surface of the rotary table 11 is fixed on an output shaft 13 of a motor 12, the liquid receiving barrel 8 is communicated with one end of a return pipe 14, and the other end of the return pipe 14 is communicated with the oxidation pond 1, when the printed board is required to be oxidized, the liquid pump 4 and the motor 12 are started, at this time, the liquid pump 4 pumps the sulfuric acid solution in the oxidation tank 1, the pumped sulfuric acid solution is firstly cooled by the cooling box 3, so that the damage of the hot sulfuric acid solution to subsequent equipment can be avoided, the sulfuric acid solution is cooled and cooled, then the sulfuric acid solution enters the filter vat 9 through the liquid outlet pipe 6 for filtering, the side surface of the filter vat 9 is provided with the filter holes of the michelia, which can filter impurities in the sulfuric acid solution, and during the filtering, the motor 12 drives the filter vat 9 to continuously rotate for filtering, thus greatly accelerating the speed of the sulfuric acid solution passing through the filter holes on the filter vat 9, improving the efficiency, the sulfuric acid solution after the filtering is thrown into the liquid receiving vat 8 and then flows back into the oxidation tank 1 through the return pipe 14, the sulfuric acid solution flowing back into the oxidation tank 1 is cooled and filtered, so that the sulfuric acid solution in the oxidation tank 1 can be cooled, impurities in the sulfuric acid solution are reduced, meanwhile, the whole circulation process plays a role in mixing the sulfuric acid solution in the oxidation tank, the quality of an alumina protective film is greatly improved, and meanwhile, the recycling of the sulfuric acid solution is improved.
The cooling tank 3 is filled with cooling liquid, a curve-shaped pipe 15 is arranged in the cooling liquid, one end of the curve-shaped pipe 15 is communicated with the communicating pipe 2, the other end of the curve-shaped pipe is communicated with the liquid inlet pipe 5, and the arrangement of the curve-shaped pipe 15 can increase the passing time of sulfuric acid solution in the cooling tank and increase the cooling effect.
The filter vat 9 is cylindrical, the side surface of the filter vat 9 extends outwards to be communicated with the filter vat 16, the filter vat 16 is provided with a plurality of filter vats 16 along one circle of the cylindrical filter vat 9, the filter vat 16 is bent along the direction of centrifugal force generated by rotation of the filter vat 9 to a certain radian, the surface of the filter vat 16 is provided with a filter hole of compact hemp, impurities in sulfuric acid solution can be filtered out through the filter vat 16 along the direction of the centrifugal force, the filter vat 16 surrounds one circle like a gear, gaps are not formed between two adjacent filter vats 16, the adjacent filter vats are tightly adjacent, the filter vat 16 is bent along the direction of the centrifugal force generated by rotation of the filter vat 9 to a certain radian, for example, the filter vat 16 is bent along the direction of the centrifugal force generated by rotation of the clockwise, so that when the filter vat 9 rotates, sulfuric acid solution in the filter vat 16 enters the filter vat 16 along the direction of the centrifugal force, the speed of the sulfuric acid solution entering the filter vat 16 is the largest, the speed of the sulfuric acid solution exiting from the filter hole of the filter vat 16 is the largest, the whole filtering efficiency is finally improved, and the filtering speed is greatly improved relative to the standing speed of the filtering plate.
The intermediate position department of filter vat 16 is fixed with two symmetrical arc doors 17, be equipped with the filtration pore on the arc door 17, and its end is the mutual contact under the condition of not working, be "chevron" shape in the filter vat 9 under the state of not working, the end of two arc doors 17 contacts, when filter vat 9 is rotatory, because the strong impact of sulfuric acid solution to arc door 17, the place that the arc door 17 contacted is opened in dashing, make sulfuric acid solution can get into the part before the arc door 17, in this way in the in-process that filter vat 9 constantly rotates, the impurity is brought to the part before the arc door 17 along with the eccentricity, gather wherein, after filter vat 9 stops, owing to do not have sulfuric acid solution's impact, arc door 17 will fold, the impurity that filters out just can't come back out from arc door 17, this kind of setting makes the filtration pore of part after the arc door 17 be difficult to plug up, simultaneously concentrate in the groove before arc door 17, more, the more the time, the product has a part before arc door 17 to the groove wall to the arc door, the during the course of filtration, the filter vat wall has improved the efficiency, the manual shock can not be played on the filter vat wall, thereby the manual shock can not be prevented to the whole, the filter vat is greatly reduced, the efficiency is prevented from the whole, the filter pore is improved, the filter pore is prevented from the manual shock in the process, the filter pore is greatly has been removed, and the filter pore is greatly improved.
The front end of filter vat 16 is equipped with impurity concentration groove 18, impurity concentration groove 18 includes the mountain form part 20 of front end, mountain form part 20 terminal department is fixed with two symmetrical arc filter doors 19, the terminal of arc filter doors 19 is under the condition of not working and contacts each other, be down "people" font, be equipped with the filtration pore on mountain form part 20's the foremost part 21, its internal surface sets up to smooth, be equipped with the hole that impurity can pass through on the bottom surface of impurity concentration groove 18, the below of hole is equipped with the impurity collecting vat 22 of fixing on the filter vat 9 bottom surface, impurity concentration groove 18 just is the very little part of filter vat 16 front end, by mountain form part 20 and arc filter doors 19 constitution, so by the great impurity of concentrating in the groove before arc door 17 get into impurity concentration groove 18 through arc filter doors 19, because the effect can concentrate on foremost part 21, because not be equipped with the filtration pore on foremost part 21, the internal surface sets up to smooth, so impurity on it can be along with the carousel 11 stop rotating the hole that can be left in the time of the filter vat, the impurity is in the filter vat 18 is removed down along with the rotation, the impurity concentration groove 18 is formed by the very little part of the very little, the impurity in the filter vat is in the filter vat 18, the time the impurity is concentrated on the bottom surface is can not in the filter vat 18 is left out to the filter vat along with the rotation, the hole is removed impurity is in the filter vat 18, the filter vat is can be removed down along with the rotation hole is in the bottom surface is in the filter vat 18.
The impurity collecting tank 22 is cylindrical and has an upper opening, the bottom surface is equal to the bottom surface of the filter vat 9, the edge part 23 of the impurity collecting tank 22 is fixed on the bottom surface edge of the filter vat 9, the whole side surface is a filter screen and is provided with a door 24, the bottom surface is fixed on the bottom surface of the liquid receiving tank 8, the upper opening of the impurity collecting tank 22 is only fixed with the bottom surface of the filter vat 9 through the edge part 23, thus impurities fall into the impurity collecting tank 22 through holes on the bottom surface of each filter vat 16, all impurities are collected together, the side surface of the impurity collecting tank 22 is provided with a filter screen, so that sulfuric acid solution entering the impurity collecting tank 22 can circulate, in the process of rotary filtering, the sulfuric acid solution in the impurity collecting tank 18 has a suction effect, the impurity is accelerated to flow into the impurity collecting tank 22, and the door 24 can be opened and closed, so that when the impurities in the impurity collecting tank 22 are enough, the door can be opened for cleaning.
The ends of the arc-shaped doors 17 and the arc-shaped filter doors 19 have weak magnetism, so that in the process of stopping filtering, the two arc-shaped doors 17 and the two arc-shaped filter doors 19 are attracted together by magnetism, and the contact effect between the two arc-shaped doors is improved.
One end of the communicating pipe 2 is connected to the left side surface of the oxidation tank 1 near the bottom, and impurities generally sink to the bottom of the oxidation tank 1, so that the communicating pipe 2 is arranged near the bottom, which is beneficial for the liquid pump 4 to pump the impurities as much as possible.
The return pipe 14 is connected to the rightmost bottom of the oxidation tank 1, so that the sulfuric acid solution in the oxidation tank 1 is uniformly mixed in the largest range during circulation.
When filtering, the motor 12 is set to rotate for five minutes and stops the circulation mode for ten seconds, and the setting mode ensures that the sulfuric acid solution has a back flow process when the impurities adsorbed on the filter tank 16 under the action of strong centrifugal force suddenly stop, and the back flow process can carry out a back flow process on the filter tank 16, so that the impurities adsorbed on the filter tank 16 are back-flushed, and the blocking of the filter holes is avoided.
Working principle: when the printed board is required to be oxidized, a liquid pump 4 and a motor 12 are started, at this time, the liquid pump 4 pumps the sulfuric acid solution in the oxidation tank 1, the pumped sulfuric acid solution is firstly cooled by the cooling box 3, so that the damage of the hot sulfuric acid solution to subsequent equipment can be avoided, the sulfuric acid solution is cooled, then the sulfuric acid solution enters the filter tank 9 through the liquid outlet pipe 6 for filtering, the side surface of the filter tank 9 is provided with a filter hole of the michelia, which can filter impurities in the sulfuric acid solution, the motor 12 drives the filter tank 9 to continuously rotate for filtering, the speed of the sulfuric acid solution passing through the filter hole in the filter tank 9 is greatly increased, the efficiency is improved, the motor 12 is set to rotate for five minutes, the ten-second circulation mode is stopped, the setting mode enables the impurities adsorbed on the filter tank 16 under the action of strong centrifugal force to have a back flow process when suddenly stopped, the impurities adsorbed on the filter tank 16 are back flushed down, the impurities adsorbed on the filter tank 16 are prevented from flowing back through the filter hole through the filter tank through the back, the filter hole can be filtered by the filter solution, the sulfuric acid solution is prevented from being filtered by the back flow through the filter tank 1, the back flow of the sulfuric acid solution is greatly returns to the filter tank 1, the oxidation tank is cooled by the oxidation tank is greatly, the oxidation solution is cooled by the oxidation tank is cooled, and the oxidation solution is cooled by the oxidation tank is greatly is cooled by the filter 1, and the oxidation solution is cooled by the oxidation tank is cooled by the back to the filter tank, and the oxidation tank is cooled by the oxidation tank; the filter vat 9 is cylindrical, the side surface of the filter vat 9 is outwards extended and communicated with the filter vat 16, the filter vat 16 is provided with a plurality of filter vats 16 along one circle of the cylindrical filter vat 9, the filter vat 16 is bent along the direction of centrifugal force generated by rotation of the filter vat 9 to a certain radian, the surface of the filter vat 16 is provided with a filter hole of compact hemp, impurities in sulfuric acid solution can be filtered out through the filter vat 16 along the direction of the centrifugal force, the filter vat 16 circles round the circle just like a gear, no gap exists between two adjacent filter vats 16, the two adjacent filter vats are tightly adjacent, the filter vat 16 is bent along the direction of the centrifugal force generated by rotation of the filter vat 9 to a certain radian, for example, the filter vat 16 is bent along the direction of the centrifugal force generated by rotation of the clockwise, so that when the filter vat 9 rotates, sulfuric acid solution in the filter vat 16 enters the filter vat 16 along the direction of the centrifugal force, the speed of the sulfuric acid solution entering the filter vat 16 is the largest, the speed of the sulfuric acid solution in the filter vat 16 is the largest, the speed of the filter hole in the filter vat 16 is also the largest, the whole filtering efficiency is finally improved, and the filtering speed is greatly improved relative to a filtering plate; in the state that the filter vat 9 does not work, the tail ends of two arc doors 17 are contacted, when the filter vat 9 rotates, because the strong impact of sulfuric acid solution to the arc doors 17 is carried out, the place contacted by the arc doors 17 is punched, the sulfuric acid solution can enter the part in front of the arc doors 17, in the circulation process of continuous rotation-stop of the filter vat 9, impurities accumulated in the filter vat along with eccentricity are brought to the part in front of the arc doors 17, after the filter vat 9 stops, the arc doors 17 can be folded up, the filtered impurities can not flow back out of the arc doors 17, the filter holes of the part behind the arc doors 17 are not easy to be blocked, and meanwhile, the more accumulated impurities are concentrated in the groove in front of the arc doors 17, and the greater accumulated impurities have an impact vibration process to the groove wall in front of the arc doors 17 in the filtering process; the impurity concentration tank 18 is a part with a small front end of the filter tank 16 and consists of a peak-shaped part 20 and an arc-shaped filter door 19, so that larger impurities concentrated in the tank before the arc-shaped door 17 enter the impurity concentration tank 18 through the arc-shaped filter door 19, are concentrated on the forefront part 21 due to the action of centrifugal force, and the forefront part 21 is not provided with a filter hole, the inner surface of the impurity concentration tank is smooth, so that the impurities on the impurity concentration tank slide down along the smooth inner surface when the rotating disc 11 stops rotating, the impurities can not adhere to the inner surface, the falling impurities fall into the impurity collection tank 22 through the hole arranged on the bottom surface of the impurity concentration tank 18, and the impurities entering the impurity collection tank 22 can not return into the impurity concentration tank 18 from the hole on the bottom surface of the impurity concentration tank 18 when rotating along with the rotating disc 11, so that the impurities remain in the impurity collection tank 18, the impurities are automatically removed to the impurity collection tank 18 in the process, and the trouble of filtering screen to be removed is avoided; the upper portion opening of impurity collecting vat 22 is fixed with the bottom surface of filter vat 9 through edge portion 23 only, and the impurity all falls into impurity collecting vat 22 through the hole of every filter vat 16 bottom surface like this, and is in the same place all impurity collection, and the side of impurity collecting vat 22 sets up to the form of filter screen, can let the sulfuric acid solution that gets into in the impurity collecting vat 22 circulate like this, in the rotatory in-process of filtering, still can have a suction effect to the sulfuric acid solution in the impurity concentrating vat 18, accelerate impurity flow into impurity collecting vat 22, and door 24 can be opened and closed, like this when impurity in the impurity collecting vat 22 is abundant, can open the door and clear up.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a printing plate oxidation technology sulfuric acid recycling equipment which is characterized in that, including oxidation pond (1), oxidation pond (1) through communicating pipe (2) one side of cooling tank (3), the opposite side intercommunication drawing liquid pump (4) feed liquor pipe (5) of cooling tank (3), drawing liquid pump (4) drain pipe (6) intercommunication rose box (7) top, drain pipe (6) pass in proper order the top surface of rose box (7), connect top surface of liquid bucket (8) and the top surface of rose box (9), connect top surface of liquid bucket (8) with top surface central point department of rose box (9) be equipped with drain pipe (6) looks adaptation through-hole (10), through-hole (10) with but drain pipe (6) swivelling joint, the bottom surface of rose box (9) is fixed on the bottom internal surface of weeping bucket (8), the bottom surface fixed connection carousel (11) upper surface of weeping bucket (8), the bottom surface of carousel (11) is fixed in the back flow pipe (14) of the motor (12) on the top of rose box (1), the one end of connecting of the back flow (14) is connected to the oxidation pond (14);
The filter vat (9) is cylindrical, the side surface of the filter vat is outwards extended and communicated with a filter tank (16), a plurality of filter tanks (16) are arranged along one circle of the cylindrical filter vat (9), and the filter tanks (16) are bent by a certain radian along the direction of centrifugal force generated by rotation of the filter vat (9);
Two symmetrical arc-shaped doors (17) are fixed at the middle position of the filter tank (16), filter holes are formed in the arc-shaped doors (17), and the tail ends of the arc-shaped doors are in contact with each other under the condition of no work and are inverted-Y-shaped.
2. The sulfuric acid recycling device for the printing plate oxidation process according to claim 1, wherein the cooling tank (3) is filled with cooling liquid, a curve-shaped pipe (15) is arranged in the cooling liquid, one end of the curve-shaped pipe (15) is communicated with the communicating pipe (2), and the other end of the curve-shaped pipe is communicated with the liquid inlet pipe (5).
3. The sulfuric acid recycling device for the oxidation process of printing plates according to claim 1, wherein the front end of the filter tank (16) is provided with an impurity concentration tank (18), the impurity concentration tank (18) comprises a peak-shaped part (20) at the front end, two symmetrical arc-shaped filter doors (19) are fixed at the tail end of the peak-shaped part (20), the tail ends of the arc-shaped filter doors (19) are in contact with each other under the non-working condition and are in an inverted herringbone shape, a filter hole is not formed in the foremost part (21) of the peak-shaped part (20), the inner surface of the foremost part is smooth, a hole through which impurities can pass is formed in the bottom surface of the impurity concentration tank (18), and an impurity collecting tank (22) fixed on the bottom surface of the filter tank (9) is arranged below the hole.
4. A sulfuric acid recycling apparatus for oxidation process of printing plate material according to claim 3, wherein the impurity collecting tank (22) is cylindrical and has an upper opening, the bottom surface of which is equal to the bottom surface of the filtering barrel (9), the edge portion (23) of the impurity collecting tank (22) is fixed on the bottom surface edge of the filtering barrel (9), the whole side surface thereof is a filter screen and is provided with a door (24), and the bottom surface thereof is fixed on the bottom surface of the liquid receiving barrel (8).
5. A printing plate oxidation process sulfuric acid recycling apparatus according to claim 4, characterized in that the ends of said arc-shaped gate (17) and said arc-shaped filter gate (19) have weak magnetism.
6. The sulfuric acid recycling device for the oxidation process of printing plates according to claim 1, wherein one end of the communicating pipe (2) is connected to the left side surface of the oxidation tank (1) close to the bottom.
7. A printing plate oxidation process sulfuric acid recycling apparatus according to claim 1, characterized in that the return pipe (14) is communicated with the rightmost bottom end of the oxidation tank (1).
8. A printing plate oxidation process sulfuric acid recycling apparatus according to claim 1, characterized in that the motor (12) is set to rotate for five minutes and stop for ten seconds in a circulation mode when filtering is performed.
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| AU7075374A (en) * | 1973-08-10 | 1976-01-08 | British Titan Ltd | Acid purification |
| US6177006B1 (en) * | 1998-03-30 | 2001-01-23 | Tadayoshi Nagaoka | Filtering device |
| CN101618864A (en) * | 2008-07-02 | 2010-01-06 | 四川龙蟒钛业股份有限公司 | Method for recycling waste product and by-product in sulfuric acid method titanium dioxide production |
| CN207376124U (en) * | 2017-09-12 | 2018-05-18 | 江苏久吾高科技股份有限公司 | A kind of reclamation set of anode oxidation process spent acid |
| CN210385116U (en) * | 2019-05-14 | 2020-04-24 | 沈阳正兴新材料有限公司 | Chemical centrifugal filter device |
| CN212651461U (en) * | 2020-06-22 | 2021-03-05 | 郝杰东 | Star type self-cleaning filter |
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2021
- 2021-08-17 CN CN202110941521.7A patent/CN113479853B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7075374A (en) * | 1973-08-10 | 1976-01-08 | British Titan Ltd | Acid purification |
| US6177006B1 (en) * | 1998-03-30 | 2001-01-23 | Tadayoshi Nagaoka | Filtering device |
| CN101618864A (en) * | 2008-07-02 | 2010-01-06 | 四川龙蟒钛业股份有限公司 | Method for recycling waste product and by-product in sulfuric acid method titanium dioxide production |
| CN207376124U (en) * | 2017-09-12 | 2018-05-18 | 江苏久吾高科技股份有限公司 | A kind of reclamation set of anode oxidation process spent acid |
| CN210385116U (en) * | 2019-05-14 | 2020-04-24 | 沈阳正兴新材料有限公司 | Chemical centrifugal filter device |
| CN212651461U (en) * | 2020-06-22 | 2021-03-05 | 郝杰东 | Star type self-cleaning filter |
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| CN113479853A (en) | 2021-10-08 |
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