CN117959828A - Filtering equipment and process for solving discoloration of magnesium sulfate crystal salt - Google Patents
Filtering equipment and process for solving discoloration of magnesium sulfate crystal salt Download PDFInfo
- Publication number
- CN117959828A CN117959828A CN202410371772.XA CN202410371772A CN117959828A CN 117959828 A CN117959828 A CN 117959828A CN 202410371772 A CN202410371772 A CN 202410371772A CN 117959828 A CN117959828 A CN 117959828A
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- Prior art keywords
- plate
- filter box
- magnesium sulfate
- filter
- filter screen
- Prior art date
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- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 title claims abstract description 72
- 238000001914 filtration Methods 0.000 title claims abstract description 44
- 229910052943 magnesium sulfate Inorganic materials 0.000 title claims abstract description 36
- 235000019341 magnesium sulphate Nutrition 0.000 title claims abstract description 36
- 239000013078 crystal Substances 0.000 title claims abstract description 20
- 150000003839 salts Chemical class 0.000 title claims abstract description 19
- 238000002845 discoloration Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000008569 process Effects 0.000 title abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000007664 blowing Methods 0.000 claims description 32
- 238000004804 winding Methods 0.000 claims description 10
- 239000012065 filter cake Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 239000000706 filtrate Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000010926 purge Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000008188 pellet Substances 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 abstract description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 19
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 18
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 18
- 229910052711 selenium Inorganic materials 0.000 description 11
- 239000011669 selenium Substances 0.000 description 11
- 239000013049 sediment Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 239000002244 precipitate Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- Removal Of Specific Substances (AREA)
Abstract
The invention discloses a filtering device and a process for solving the problem of discoloration of magnesium sulfate crystal salt, belonging to the technical field of smelting pellet environmental protection equipment, wherein the filtering device comprises a filtering box and a cover plate, and the cover plate is arranged at the top of the filtering box in a sealing way; a filter screen is arranged in the filter box, a pressing plate is arranged below the filter screen, and the pressing plate is in sliding connection with the filter box in the vertical direction; the liquid inlet pipe and the liquid outlet pipe are fixedly arranged on the filter box, the liquid inlet pipe is positioned between the filter screen and the pressing plate, and the liquid outlet pipe is positioned above the filter screen; a discharge hole is formed in the side wall of the filter box; a driving mechanism is further arranged in the filter box and used for driving the pressing plate to move upwards to filter and press the magnesium sulfate solution; the invention can greatly improve the filtration efficiency of the magnesium sulfate solution.
Description
Technical Field
The invention relates to the technical field of smelting pellet environmental protection equipment, in particular to filtering equipment and a process for solving the problem of discoloration of magnesium sulfate crystal salt.
Background
The magnesium method desulfurization technology is a wet desulfurization technology taking active magnesium oxide as a basic raw material, has the advantages of environmental friendliness, high desulfurization efficiency, high resource utilization rate, low investment cost, low operation cost and the like, sulfur in oxidized pellet flue gas is removed by adopting the magnesium method desulfurization technology, byproducts are magnesium sulfate products, but the existing magnesium sulfate products have the problem of redness in color, experimental researches show that selenium is a main component causing redness in color of magnesium sulfate crystals, ferrous iron can promote generation of elemental selenium and form ferric iron precipitation, and after the elemental selenium and the ferric iron precipitation are removed through filtration, the color of the magnesium sulfate crystals can reach the standard stably, and the existing filtration equipment can block the filter screen to a certain extent due to the fact that the elemental selenium and the ferric iron precipitation are uniformly pressed on the surface of the filter screen when the magnesium sulfate solution is filtered, so that the filtration efficiency is lower.
Based on the above, the invention designs a filtering device and a process for solving the discoloration of magnesium sulfate crystal salt so as to solve the problems.
Disclosure of Invention
The invention aims to provide a filtering device and a process for solving the color change of magnesium sulfate crystal salt, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the filtering equipment for solving the color change of the magnesium sulfate crystal salt comprises a filtering box and a cover plate, wherein the cover plate is arranged at the top of the filtering box in a sealing way; a filter screen is arranged in the filter box, a pressing plate is arranged below the filter screen, and the pressing plate is in sliding connection with the filter box in the vertical direction; the liquid inlet pipe and the liquid outlet pipe are fixedly arranged on the filter box, the liquid inlet pipe is positioned between the filter screen and the pressing plate, and the liquid outlet pipe is positioned above the filter screen; a discharge hole is formed in the side wall of the filter box; and a driving mechanism is further arranged in the filter box and used for driving the pressing plate to move upwards to filter and press the magnesium sulfate solution.
As a further scheme of the invention, the driving mechanism comprises an air inlet pipe, the air inlet pipe is fixedly communicated with an air blowing pipe, the top end of the air blowing pipe penetrates through the cover plate and extends into the filter box, and the bottom end of the air blowing pipe penetrates through the side wall of the filter box and extends into the filter box and is positioned below the pressing plate; two valve bodies are arranged on the air blowing pipe, and the two valve bodies are respectively positioned on two sides of the air inlet pipe.
As a further scheme of the invention, the pressing plate comprises a sliding seat, wherein the sliding seat is of a concave structure, and a plate body capable of being matched with the sliding seat is arranged on the sliding seat; two symmetrically arranged rotating shafts are fixedly connected to the plate body; the sliding seat is characterized in that two first sliding grooves which are symmetrically arranged are formed in the inner side wall of the sliding seat, each first sliding groove consists of a horizontal groove and an arc-shaped groove, and the bottom end of each arc-shaped groove is communicated with the horizontal groove; the two rotating shafts are respectively in sliding fit with the two first sliding grooves; two push rods are hinged to the bottom of the plate body, and the bottoms of the push rods are fixedly connected with first magnets; the filter tank bottom is through mount pad fixed mounting has two cylinders, two the equal fixedly connected with second magnet of output of cylinder, first magnet and second magnet inter attraction.
As a further scheme of the invention, a second sliding groove is formed in the plate body, a sliding plate is elastically and slidably connected in the second sliding groove, air holes are formed in the sliding plate and the plate body, a pull rope is fixedly connected to the sliding plate, one end of the pull rope, which is far away from the sliding plate, penetrates through the plate body and is fixedly connected with a sliding rod, and the sliding rod is slidably connected with the plate body in the vertical direction; the push block used for driving the slide rod to move is arranged above the slide rod, and is fixedly arranged on the inner wall of the filter box and positioned below the filter screen.
As a further scheme of the invention, a mounting plate is fixedly connected in the filter box, a blowing hole is formed in the mounting plate, and a sealing spring sheet for shielding the blowing hole is fixedly connected at the bottom of the mounting plate; a fan is rotationally connected to the mounting plate and is positioned below the top end of the air blowing pipe; the fan comprises a fan body, a fan, a first driving wheel, a second driving wheel, an incomplete gear, a first gear, a winding roller and a pull rope, wherein the first driving wheel is fixedly connected to a rotating shaft of the fan, the second driving wheel is connected with the second driving wheel through a driving belt, the incomplete gear is fixedly connected to the rotating shaft of the second driving wheel, the side edge of the incomplete gear is provided with the first gear which can be meshed with the incomplete gear, the winding roller is fixedly connected to the rotating shaft of the first gear, the surface of the winding roller is wound with the pull rope, one end of the pull rope, far away from the winding roller, extends to the lower portion of the mounting plate, is fixedly connected with a knocking rod, and the top end of the knocking rod is rotationally connected with a filter box.
As a further scheme of the invention, the side edge of the filter screen is provided with a mounting frame, and the mounting frame consists of a base and a clamping plate; the clamping plate is fixedly connected with the base through bolts; the filter screen is located between the base and the clamping plate.
As a further scheme of the invention, two collecting boxes are arranged at the bottom of the filter box, and the two collecting boxes are respectively positioned below two ends of the plate body.
A filtration process for solving the discoloration of magnesium sulfate crystal salt, which comprises the following steps:
Step one: the fully aerated magnesium sulfate is easily conveyed into a filter box through a pump body for pressurized filtration, solid impurity particles can be trapped on the surface of a filter screen, and clarified filtrate finally flows out of a liquid outlet pipe;
step two: after the filtration is finished, the gas can be used, Purging the cylinder body in the filter box by steam until the filter cake is dried;
step three: the filter cake is separated from the filter screen by back blowing the filter screen with gas.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the arrangement of the filter screen, the pressing plate and the driving mechanism, the filtering can be realized in a bottom-up mode, simple substance selenium in the magnesium sulfate solution can be directly deposited and stopped at the top of the pressing plate, ferric iron deposition can be attached to the surface of the filter screen under the action of pressure, the simple substance selenium is stopped on the pressing plate, attachments on the surface of the filter screen can be greatly reduced, the blocking possibility of the filter screen is reduced, the working pressure of the filter screen can be greatly reduced, the filtering efficiency is improved, and the service life of the filter screen is prolonged; the simple substance selenium and ferric iron precipitate are in a layered state, so that the subsequent separation treatment can be facilitated.
Drawings
FIG. 1 is a schematic elevational view of the general structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the general structure of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a schematic view of the general structure of the present invention (rear view);
FIG. 6 is a schematic view of a platen structure according to the present invention;
FIG. 7 is a schematic view of the mounting plate and its upper structure according to the present invention;
Fig. 8 is a process flow diagram of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
The filter box 1, the cover plate 2, the filter screen 3, the pressing plate 4, the sliding seat 41, the plate body 42, the rotating shaft 43, the first sliding groove 44, the push rod 45, the first magnet 46, the mounting seat 47, the air cylinder 48, the second magnet 49, the liquid inlet pipe 5, the liquid outlet pipe 6, the discharge port 7, the air inlet pipe 8, the air blowing pipe 9, the valve body 10, the second sliding groove 11, the sliding plate 12, the air vent 13, the pull rope 14, the sliding rod 15, the push block 16, the mounting plate 17, the air blowing hole 18, the sealing elastic sheet 19, the fan 20, the first driving wheel 21, the driving belt 22, the second driving wheel 23, the incomplete gear 24, the first gear 25, the winding roller 26, the traction rope 27, the knocking rod 28, the mounting frame 29, the base 291, the clamping plate 292 and the collecting box 30.
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings showing examples of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the filtering equipment for solving the color change of magnesium sulfate crystal salt comprises a filtering box 1 and a cover plate 2, wherein the cover plate 2 is arranged at the top of the filtering box 1 in a sealing way; a filter screen 3 is arranged in the filter box 1, a pressing plate 4 is arranged below the filter screen 3, and the pressing plate 4 is in sliding connection with the filter box 1 in the vertical direction; a liquid inlet pipe 5 and a liquid outlet pipe 6 are fixedly arranged on the filter box 1, the liquid inlet pipe 5 is positioned between the filter screen 3 and the pressing plate 4, and the liquid outlet pipe 6 is positioned above the filter screen 3; a discharge hole 7 is formed in the side wall of the filter box 1; a driving mechanism is further arranged in the filter box 1 and used for driving the pressing plate 4 to move upwards to press and filter the magnesium sulfate solution.
The driving mechanism comprises an air inlet pipe 8, the air inlet pipe 8 is fixedly communicated with an air blowing pipe 9, the top end of the air blowing pipe 9 penetrates through the cover plate 2 and extends into the filter box 1, and the bottom end of the air blowing pipe 9 penetrates through the side wall of the filter box 1 and extends into the filter box 1 and is positioned below the pressing plate 4; two valve bodies 10 are arranged on the air blowing pipe 9, and the two valve bodies 10 are respectively positioned on two sides of the air inlet pipe 8.
When in operation, as shown in figures 1-5, the fully aerated magnesium sulfate solution is led into the filter box 1 through the pump body and the liquid inlet pipe 5; after the solution is poured into a certain amount, external pressurizing equipment is started, compressed air is blown into the area below the pressing plate 4in the filter box 1 from the air inlet pipe 8 through the bottom end of the air blowing pipe 9 (it is to be noted that, as shown in fig. 5, when the filtering work is performed, the upper valve body 10 is in a closed state, the lower valve body is in an open state, and the compressed air can only enter the filter box 1 from the bottom end of the air inlet pipe 8); as the air pressure below the pressing plate 4 increases, the pressing plate 4 is driven by the air pressure to move upwards, and the pressing plate 4 pushes the solution above the pressing plate to move upwards; because the simple substance selenium is heavier than ferric iron flocculent precipitate, the simple substance selenium is precipitated first and stays at the top of the pressing plate 4; when the pressing plate 4 moves upwards, the solution is pushed to accelerate to pass through the filter screen 3, ferric iron sediment can be trapped below the filter screen 3 by the filter screen, and then a pump body positioned outside the liquid outlet pipe 6 can pump out pure magnesium sulfate solution above the filter screen 3 through the liquid outlet pipe 6; until the pressing plate 4 moves up to be close to the filter screen 3; after the filtered magnesium sulfate solution in the filter tank 1 is extracted, the pressurizing equipment can perform pressure relief treatment on the area below the pressing plate 4in the filter tank 1, then the pressing plate 4 automatically moves back to the position shown in fig. 2 under the action of gravity, at the moment, elemental selenium and ferric iron precipitate are in a layered state, the elemental selenium mainly stays on the pressing plate 4, and the ferric iron precipitate is mainly attached to the surface of the filter screen 3; the simple substance selenium stays on the pressing plate 4, so that attachments on the surface of the filter screen 3 can be greatly reduced, the possibility of blocking the filter screen 3 is reduced, the working pressure of the filter screen can be greatly reduced, the filtering efficiency is improved, and the service life of the filter screen is prolonged; the simple substance selenium and ferric iron precipitate are in a layered state, so that the subsequent separation treatment can be facilitated.
As a further scheme of the invention, the pressing plate 4 comprises a sliding seat 41, the sliding seat 41 is of a concave structure, and a plate body 42 capable of being matched with the sliding seat 41 is arranged on the sliding seat 41; two symmetrically arranged rotating shafts 43 are fixedly connected to the plate body 42; the inner side wall of the sliding seat 41 is provided with two first sliding grooves 44 which are symmetrically arranged, the first sliding grooves 44 consist of horizontal grooves and arc-shaped grooves, and the bottom ends of the arc-shaped grooves are communicated with the horizontal grooves; the two rotating shafts 43 are respectively in sliding fit with the two first sliding grooves 44; two push rods 45 are hinged to the bottom of the plate body 42, and first magnets 46 are fixedly connected to the bottoms of the push rods 45; two air cylinders 48 are fixedly arranged at the bottom of the filter box 1 through mounting seats 47, second magnets 49 are fixedly connected to output ends of the two air cylinders 48, and the first magnets 46 and the second magnets 49 are attracted to each other.
When in operation, as shown in fig. 2, 3 and 6, when the ferric iron sediment on the filter screen 3 and the simple substance selenium sediment on the pressing plate 4 are required to be treated; as shown in fig. 2, the right cylinder 48 is started first, the output end of the right cylinder 48 extends upward, the output end of the cylinder 48 drives the right first magnet 46 to move upward through the second magnet 49, and the first magnet drives the right end of the plate 42 to move upward through the push rod 45; as shown in fig. 6, when the right end of the plate 42 is lifted up, the plate 42 will rotate upward around the rotation axis 43 on the left side, at this time, the left end of the plate 42 is turned down, and the elemental selenium precipitate located on the top surface of the plate 42 will drop from the left end of the plate 42; it should be noted that, the first chute 44 is designed to be composed of a horizontal slot and an arc slot, when the rotating shaft 43 is lifted up, it can be moved out of the arc slot, when the right end of the plate 42 is lifted up, the rotating shaft 43 on the left side can be moved to the right in the horizontal slot, so that the distance between the left end of the plate 42 and the side wall of the filter box 1 can be enlarged, and the precipitation of elemental selenium can be accelerated to drop; after the simple substance selenium precipitate completely falls to the bottom of the filter box 1, the right cylinder 48 drives the plate body 1 to return to the horizontal position shown in fig. 2; then the externally connected pressurizing equipment works again, at the moment, the valve body 10 below the air blowing pipe 9 is closed, the valve body 10 above is started, compressed air can be blown into the filter box 1 from the top end of the air blowing pipe 9, when the compressed air blows the filter screen 3 from top to bottom, ferric iron sediments attached to the lower surface of the filter screen 3 can be blown off, after the sediments fall onto the surface of the pressing plate 4, the left cylinder 48 is driven, the left cylinder 48 drives the left end of the plate body 42 to lift up, at the moment, the plate body 42 can rotate by taking the rotating shaft 43 on the right side as the center of a circle, the right end of the plate body 42 is turned down, and the ferric iron sediments on the surface of the plate body 42 can fall from the right end of the inclined plate body 42; according to the invention, the pressing plate 4 is designed to be composed of the sliding seat 41 and the plate body 42, the plate body 42 can rotate on the sliding seat 41, so that simple substance selenium and ferric iron sediments can slide off the left side and the right side of the plate body 42 respectively, and the subsequent separation treatment can be more conveniently carried out.
As a further scheme of the invention, a second chute 11 is arranged in the plate body 42, a slide plate 12 is elastically and slidably connected in the second chute 11, ventilation holes 13 are respectively formed in the slide plate 12 and the plate body 42, a pull rope 14 is fixedly connected to the slide plate 12, one end of the pull rope 14 far away from the slide plate 12 penetrates through the plate body 42 and is fixedly connected with a slide rod 15, and the slide rod 15 is slidably connected with the plate body 42 in the vertical direction; a push block 16 for driving the slide bar 15 to move is arranged above the slide bar 15, and the push block 16 is fixedly arranged on the inner wall of the filter box 1 and positioned below the filter screen 3.
When the device works, as shown in fig. 2 and 4, when the pressing plate 4 moves upwards to enable the sliding rod 15 to be in contact with the pushing block 16, and then the pressing plate 4 continues to move upwards, the pushing block 16 drives the sliding rod 15 to move downwards relative to the pressing plate 4, the sliding rod 15 drives the sliding plate 12 to move towards the side close to the sliding rod 15 through the pull rope 14, so that the sliding plate 12 is aligned with the ventilation holes 13 on the plate body 42, at the moment, compressed air can flow upwards through the ventilation holes 13, and the air can push ferric iron sediment to be better attached to the lower surface of the filter screen 3 when passing through the filter screen 3; the air holes 13 are designed to be small, so that the solution above the pressing plate 4 does not drip from the air holes 13 under the action of high-pressure air flow.
As a further scheme of the invention, a mounting plate 17 is fixedly connected in the filter box 1, a gas blowing hole 18 is formed in the mounting plate 17, and a sealing spring piece 19 for shielding the gas blowing hole 18 is fixedly connected to the bottom of the mounting plate 17; a fan 20 is rotatably connected to the mounting plate 17, and the fan 20 is positioned below the top end of the air blowing pipe 9; the fan is characterized in that a first driving wheel 21 is fixedly connected to a rotating shaft 43 of the fan 20, a second driving wheel 23 is connected to the first driving wheel 21 through a driving belt 22 in a driving manner, the second driving wheel 23 is rotatably connected with a mounting plate 17, an incomplete gear 24 is fixedly connected to the rotating shaft 43 of the second driving wheel 23, a first gear 25 capable of being meshed with the incomplete gear 24 is arranged on the side edge of the incomplete gear 24, a winding roller 26 is fixedly connected to the rotating shaft 43 of the first gear 25, a traction rope 27 is wound on the surface of the winding roller 26, one end, far away from the winding roller 26, of the traction rope 27 extends to the lower portion of the mounting plate 17 and is fixedly connected with a knocking rod 28, and the top end of the knocking rod 28 is rotatably connected with the filter box 1.
When the device works, as shown in fig. 2 and 7, when ferric iron sediment on the filter screen 3 needs to be cleaned, compressed air is blown into the filter box 1 from the top end of the air blowing pipe 9, the air drives the fan 20 to rotate when passing through the fan 20, then the air is blown downwards from the air blowing hole 18, the fan 20 rotates to drive the first driving wheel 21 to rotate, the first driving wheel 21 drives the second driving wheel 23 to rotate through the driving belt 22, the second driving wheel 23 drives the incomplete gear 24 to rotate, the incomplete gear 24 drives the first gear 25 to rotate when meshed with the first gear 25, the first gear 25 drives the winding roller 26 to rotate to wind the traction rope 27, and the bottom end of the traction rope 27 pulls the bottom end of the knocking rod 28 to move upwards; when the incomplete gear 24 rotates to be disengaged from the first gear 25, the bottom end of the knocking rod 28 loses traction and automatically falls down to knock the filter screen 3, so that the trivalent iron sediment on the filter screen 3 can be accelerated to fall down; because of the arrangement of the sealing elastic sheet 19, compressed air can push the sealing elastic sheet 19 to be attached to the bottom surface of the mounting plate 17 to shield the air blowing hole 18 when the filtering operation is performed, the knocking rod 28 does not work at this time, and ferric iron can be stably adsorbed on the filter screen.
As a further scheme of the invention, the side edge of the filter screen 3 is provided with a mounting frame 29, and the mounting frame 29 consists of a base 291 and a clamping plate 292; the clamping plate 292 is fixedly connected with the base 291 through bolts; the screen 3 is positioned between the mount 291 and the clamp 292.
In operation, as shown in fig. 2, base 291 is fixedly mounted on the inner wall of filter box 1, when filter screen 3 is mounted, filter screen 3 is placed in the notch of base 291, then clamping plate 292 is covered on the surface of base 291 to press filter screen 3, and then the filter screen is fixed by bolts; when the filter screen 3 is replaced, the clamping plate 292 is only required to be detached from the base 291, so that the filter screen 3 can be replaced quickly.
As a further solution of the present invention, two collection boxes 30 are disposed at the bottom of the filtering box 1, and the two collection boxes 30 are respectively located below two ends of the plate 42.
In operation, as shown in fig. 2, two collection boxes 30 are used to collect elemental selenium and ferric iron precipitate, respectively.
A filtration process for solving the discoloration of magnesium sulfate crystal salt, which comprises the following steps:
Step one: the fully aerated magnesium sulfate is easily conveyed into the filter box 1 through the pump body for pressurized filtration, solid impurity particles can be trapped on the surface of the filter screen 3, and clarified filtrate finally flows out of the liquid outlet pipe 6;
step two: after the filtration is finished, the gas can be used, Purging the inner cylinder of the filter box 1 by steam until the filter cake is dried;
step three: the filter cake is detached from the screen by back-blowing the screen 3 with gas.
The specific configuration of the present invention described above is merely an example, and various modifications are conceivable within the scope of the technical idea of the present invention.
Claims (8)
1. The filtering equipment for solving the color change of magnesium sulfate crystal salt comprises a filtering box (1) and a cover plate (2), wherein the cover plate (2) is arranged at the top of the filtering box (1) in a sealing way; the method is characterized in that: a filter screen (3) is arranged in the filter box (1), a pressing plate (4) is arranged below the filter screen (3), and the pressing plate (4) is in sliding connection with the filter box (1) in the vertical direction; a liquid inlet pipe (5) and a liquid outlet pipe (6) are fixedly arranged on the filter box (1), the liquid inlet pipe (5) is positioned between the filter screen (3) and the pressing plate (4), and the liquid outlet pipe (6) is positioned above the filter screen (3); a discharge hole (7) is formed in the side wall of the filter box (1); a driving mechanism is further arranged in the filter box (1) and used for driving the pressing plate (4) to move upwards to filter and press the magnesium sulfate solution.
2. The filtration apparatus for solving the discoloration of magnesium sulfate crystal salts according to claim 1, wherein: the driving mechanism comprises an air inlet pipe (8), the air inlet pipe (8) is fixedly communicated with an air blowing pipe (9), the top end of the air blowing pipe (9) penetrates through the cover plate (2) and extends into the filter box (1), and the bottom end of the air blowing pipe (9) penetrates through the side wall of the filter box (1) and extends into the filter box (1) and is positioned below the pressing plate (4); two valve bodies (10) are arranged on the air blowing pipe (9), and the two valve bodies (10) are respectively positioned on two sides of the air inlet pipe (8).
3. The filtration apparatus for solving the discoloration of magnesium sulfate crystal salts according to claim 1, wherein: the pressing plate (4) comprises a sliding seat (41), the sliding seat (41) is of a concave structure, and a plate body (42) capable of being matched with the sliding seat (41) is arranged on the sliding seat; two rotating shafts (43) which are symmetrically arranged are fixedly connected to the plate body (42); the inner side wall of the sliding seat (41) is provided with two first sliding grooves (44) which are symmetrically arranged, the first sliding grooves (44) are composed of horizontal grooves and arc-shaped grooves, and the bottom ends of the arc-shaped grooves are communicated with the horizontal grooves; the two rotating shafts (43) are respectively in sliding fit with the two first sliding grooves (44); two push rods (45) are hinged to the bottom of the plate body (42), and first magnets (46) are fixedly connected to the bottoms of the push rods (45); two air cylinders (48) are fixedly mounted at the bottom of the filter box (1) through mounting seats (47), second magnets (49) are fixedly connected to output ends of the two air cylinders (48), and the first magnets (46) and the second magnets (49) are attracted to each other.
4. A filtration apparatus for resolving discoloration of a magnesium sulfate crystalline salt according to claim 3, wherein: the novel sliding plate is characterized in that a second sliding groove (11) is formed in the plate body (42), a sliding plate (12) is elastically and slidably connected in the second sliding groove (11), air holes (13) are formed in the sliding plate (12) and the plate body (42), a pull rope (14) is fixedly connected to the sliding plate (12), one end, far away from the sliding plate (12), of the pull rope (14) penetrates through the plate body (42) and is fixedly connected with a sliding rod (15), and the sliding rod (15) is slidably connected with the plate body (42) in the vertical direction; the push block (16) used for driving the slide bar (15) to move is arranged above the slide bar, and the push block (16) is fixedly arranged on the inner wall of the filter box (1) and is positioned below the filter screen (3).
5. The filtration apparatus for solving the discoloration of magnesium sulfate crystal salt according to claim 2, wherein: the filter box (1) is internally and fixedly connected with a mounting plate (17), a blowing hole (18) is formed in the mounting plate (17), and a sealing elastic sheet (19) for shielding the blowing hole (18) is fixedly connected to the bottom of the mounting plate (17); a fan (20) is rotatably connected to the mounting plate (17), and the fan (20) is positioned below the top end of the air blowing pipe (9); the utility model discloses a filter box, including fan (20), first drive wheel (21) of rotation axis (43), first drive wheel (21) are connected with second drive wheel (23) through drive belt (22) transmission, second drive wheel (23) are connected with mounting panel (17) rotation, be connected with incomplete gear (24) on rotation axis (43) of second drive wheel (23), incomplete gear (24) side is provided with first gear (25) that can mesh with it, fixedly connected with roll-up roller (26) on first gear (25) rotation axis (43), roll-up roller (26) surface winding has haulage rope (27), haulage rope (27) are kept away from roll-up roller (26) one end and are extended to mounting panel (17) below and fixedly connected with and are knocked out pole (28), knocked out pole (28) top and filter box (1) rotation are connected.
6. The filtration apparatus for solving the discoloration of magnesium sulfate crystal salts according to claim 1, wherein: the side edge of the filter screen (3) is provided with a mounting frame (29), and the mounting frame (29) consists of a base (291) and a clamping plate (292); the clamping plate (292) is fixedly connected with the base (291) through bolts; the filter screen (3) is positioned between the base (291) and the clamping plate (292).
7. The filtration apparatus for solving the discoloration of magnesium sulfate crystal salt according to claim 4, wherein: two collecting boxes (30) are arranged at the bottom of the filter box (1), and the two collecting boxes (30) are respectively positioned below two ends of the plate body (42).
8. A filtration process for solving the discoloration of magnesium sulfate crystal salt, which adopts the filtration equipment for solving the discoloration of magnesium sulfate crystal salt according to any one of claims 1 to 7, and is characterized by comprising the following steps:
step one: the fully aerated magnesium sulfate is easily conveyed into a filter box (1) through a pump body for pressurized filtration, solid impurity particles can be trapped on the surface of a filter screen (3), and clarified filtrate finally flows out of a liquid outlet pipe (6);
step two: after the filtration is finished, the gas can be used, Purging the inner cylinder body of the filter box (1) by steam until the filter cake is dried;
step three: the filter cake is separated from the filter screen by back blowing the filter screen (3) with gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410371772.XA CN117959828B (en) | 2024-03-29 | Filtering equipment and process for solving discoloration of magnesium sulfate crystal salt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410371772.XA CN117959828B (en) | 2024-03-29 | Filtering equipment and process for solving discoloration of magnesium sulfate crystal salt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117959828A true CN117959828A (en) | 2024-05-03 |
| CN117959828B CN117959828B (en) | 2024-07-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1043515A (en) * | 1996-07-31 | 1998-02-17 | Sumitomo Chem Co Ltd | Vacuum filtration method |
| CN206266236U (en) * | 2016-11-22 | 2017-06-20 | 安徽凤阳赛吉元无机材料有限公司 | A kind of multistage filter-pressing device of white carbon precipitation |
| CN112264832A (en) * | 2020-10-16 | 2021-01-26 | 王军 | Coolant liquid filter equipment for digit control machine tool |
| EP3824985A1 (en) * | 2019-11-22 | 2021-05-26 | Frapp's Chemical Industry (Suichang) Co., Ltd | Superimposed combined press filter |
| CN115403121A (en) * | 2022-11-01 | 2022-11-29 | 苏州指氏医疗科技有限公司 | Sewage treatment device for preparing medical synthetic material |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1043515A (en) * | 1996-07-31 | 1998-02-17 | Sumitomo Chem Co Ltd | Vacuum filtration method |
| CN206266236U (en) * | 2016-11-22 | 2017-06-20 | 安徽凤阳赛吉元无机材料有限公司 | A kind of multistage filter-pressing device of white carbon precipitation |
| EP3824985A1 (en) * | 2019-11-22 | 2021-05-26 | Frapp's Chemical Industry (Suichang) Co., Ltd | Superimposed combined press filter |
| CN112264832A (en) * | 2020-10-16 | 2021-01-26 | 王军 | Coolant liquid filter equipment for digit control machine tool |
| CN115403121A (en) * | 2022-11-01 | 2022-11-29 | 苏州指氏医疗科技有限公司 | Sewage treatment device for preparing medical synthetic material |
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