CN113058284A - A granulation crystallization device for sodium metasilicate preparation in-process is used - Google Patents
A granulation crystallization device for sodium metasilicate preparation in-process is used Download PDFInfo
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- CN113058284A CN113058284A CN202110295693.1A CN202110295693A CN113058284A CN 113058284 A CN113058284 A CN 113058284A CN 202110295693 A CN202110295693 A CN 202110295693A CN 113058284 A CN113058284 A CN 113058284A
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/32—Alkali metal silicates
- C01B33/325—After-treatment, e.g. purification or stabilisation of solutions, granulation; Dissolution; Obtaining solid silicate, e.g. from a solution by spray-drying, flashing off water or adding a coagulant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0063—Control or regulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0077—Screening for crystallisation conditions or for crystal forms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D2009/0086—Processes or apparatus therefor
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Abstract
The invention discloses a granulation crystallization device used in the preparation process of sodium metasilicate, and relates to the technical field of sodium metasilicate production equipment. According to the invention, the crystallization tank, the crystallization bin, the motor, the filter plate, the water suction cylinder, the water suction slotted hole, the rotating shaft, the helical blade, the first connecting rod, the stirring rod, the second connecting rod, the vertical scraper, the stock solution feeding pipe and the seed crystal feeding pipe are arranged, so that the crystallization particles can be rapidly separated, and the working efficiency of sodium metasilicate crystallization is effectively improved.
Description
Technical Field
The invention relates to the technical field of sodium metasilicate production equipment, in particular to a granulation and crystallization device used in the preparation process of sodium metasilicate.
Background
The sodium metasilicate is crystal, has a relative bulk density of 0.8-1.0g/ml, a melting point of 72.2 ℃, a relative molecular weight of 212, is easily soluble in water and dilute alkali liquor, is insoluble in alcohol and acid, is alkaline in aqueous solution, is easy to absorb moisture and decompose when exposed in air, has strong decontamination capability and large PH buffer capacity, and has good performances of descaling, emulsifying, dispersing, wetting, permeating and the like.
The sodium metasilicate can be used as a washing assistant to replace Sodium Tripolyphosphate (STPP) to produce a phosphorus-free and low-phosphorus detergent, is used as a main raw material of the assistant, is widely applied to the fields of cooking bleaching of cotton spinning and the like, decontamination bleaching of the paper making industry, paper deinking agents, ceramic grinding-assisted water reducing agents, concrete water reducing agents and the like in the pretreatment of the textile printing and dyeing industry, and is also widely applied to the fields of chemical textile flame retardants, refractory agent raw materials, plastic-retaining water-retaining agent raw materials, mineral oil recovery, dispersing agents and quick drying agents in the building metallurgy industry, oilfield drilling quick-setting agents, water quality treatment and the like.
The traditional production method comprises the steps of standing the sodium metasilicate liquid in a crystallizing disc, adding a certain amount of seed crystals, cooling in a natural environment, crystallizing in the crystallizing disc into a whole, manually crushing the sodium metasilicate crystallized in the crystallizing disc into large blocks by using an air pick, and then putting the large blocks into a crusher for crushing to obtain a sodium metasilicate product.
The existing sodium metasilicate crystallization method has long crystallization time, cannot control the size of crystallization particles, needs to crush the crystallization particles through an external crushing device, has low working efficiency and consumes a large amount of energy, and is not beneficial to reducing the production cost of the sodium metasilicate.
Disclosure of Invention
The invention aims to: in order to solve the problem of low working efficiency of sodium metasilicate crystallization, a granulation and crystallization device used in the preparation process of sodium metasilicate is provided.
In order to achieve the purpose, the invention provides the following technical scheme: a granulation crystallization device used in the preparation process of sodium metasilicate comprises a crystallization tank, a discharge mechanism, a granulation crystallization mechanism and a wall scraping mechanism, wherein a motor is arranged at the top end of the crystallization tank, a slag discharge pipe is arranged at the bottom end of the crystallization tank, a slag discharge valve is arranged on one side of the outer wall of the slag discharge pipe, a cooling liquid inlet pipe, a stock solution inlet pipe and a seed crystal inlet pipe are arranged on one side of the outer wall of the crystallization tank, the stock solution inlet pipe is positioned below the cooling liquid inlet pipe, the seed crystal inlet pipe is positioned below the stock solution inlet pipe, a cooling liquid outlet pipe is arranged on one side of the outer wall of the crystallization tank, which is far away from the cooling liquid inlet pipe, a crystallization bin and a cooling bin are arranged inside the crystallization tank, the cooling bin is positioned outside the crystallization bin, a partition plate is arranged on the end surface of the inner wall of the cooling bin, a filter plate is arranged, the top that the top of a section of thick bamboo that absorbs water runs through to the filter is provided with the slotted hole that absorbs water, arrange the material mechanism and be located the crystallizer near one side outer wall of coolant liquid exit tube, it runs through inside cooling chamber to the crystallization chamber to arrange the material mechanism, granulation crystallization mechanism is located the inside below that is located the filter in crystallization chamber, scrape the top that the wall mechanism is located the crystallization chamber inside and is located the filter.
As a still further scheme of the invention: the discharging mechanism comprises a rotary cylinder, arc-shaped blades, a connecting bearing, a discharging pipe, a material sucking pipe and rotary fan blades, the rotary cylinder and the arc-shaped blades are positioned in the partition plate, the arc-shaped blades are positioned on the end surface of the outer wall of the rotary cylinder, the inside of the rotary cylinder is provided with a connecting groove and a discharging groove hole, the connecting groove is positioned at the two sides of the discharging groove hole, the connecting bearings are positioned at the two sides of the rotary cylinder and are mutually sleeved with the inner walls of the connecting grooves, the rotary fan blades are positioned in the discharging slotted holes and are fixedly connected with the inner walls of the discharging slotted holes, the discharging pipe and the material sucking pipe are respectively sleeved with the inner walls of the connecting bearings at the two sides of the rotary cylinder, one side of the discharging pipe, which is far away from the rotary cylinder, penetrates through the cooling bin to the outside of the crystallizing tank, the discharging pipe is located below the cooling liquid outlet pipe, and one side, far away from the rotary cylinder, of the material suction pipe penetrates through the cooling bin to the interior of the crystallization bin.
As a still further scheme of the invention: granulation crystallization mechanism includes axis of rotation, helical blade, connecting rod, puddler, No. two connecting rods and vertical scraper, axis of rotation, helical blade are located the slotted hole that absorbs water inside, helical blade is located the outer wall side of axis of rotation, the bottom of axis of rotation is run through the slotted hole that absorbs water to the below that absorbs water a section of thick bamboo is connected with a connecting rod, a connecting rod is located the outer wall both sides of axis of rotation, the puddler is located the both sides that absorb water a section of thick bamboo and is connected with one side that the axis of rotation was kept away from to a connecting rod, No. two connecting rods are located the puddler and are close to one side outer wall that absorbs water a section of thick bamboo, vertical scraper is located one side that the puddler was kept away from to No. two connecting rods, the top of axis of rotation is run through the slotted hole.
As a still further scheme of the invention: scrape wall mechanism and include connecting ring piece, transverse connection pole, vertical connecting rod, arc scraper, the connecting ring piece is located the top of filter and cup joints with the outer wall of axis of rotation is fixed, transverse connection pole is located the outer wall side of connecting ring piece, vertical connecting rod is located the bottom that transverse connection pole kept away from connecting ring piece one side, the arc scraper is located the bottom of vertical connecting rod, the bottom of arc scraper is laminated mutually with the top of filter.
As a still further scheme of the invention: the coolant liquid advances pipe, coolant liquid exit tube and runs through to the inside inner wall that is connected with the cooling storehouse of crystallizer, the quantity of baffle is provided with two, two the baffle is located the both ends of coolant liquid exit tube respectively, the top of baffle is connected with the inner wall top in cooling storehouse, rotatory section of thick bamboo is located the intermediate position of two baffle bottoms.
As a still further scheme of the invention: the raw liquid feeding pipe and the seed crystal feeding pipe penetrate through the inner wall of the crystallization bin and are connected with the inner wall of the crystallization tank, the raw liquid feeding pipe and the seed crystal feeding pipe are located below the filtering plate, and the material sucking pipe penetrates through the upper portion, located on the filtering plate, of the crystallization bin.
As a still further scheme of the invention: the helical blade keeps away from one side outer wall of axis of rotation and the inner wall of the slotted hole that absorbs water closely laminates, the inner wall of crystallization storehouse bottom is the toper structure, the inner wall diameter of the bottommost inner wall diameter in crystallization storehouse is less than the inner wall diameter of crystallization storehouse top, the bottom of the section of thick bamboo that absorbs water is close to the inner wall bottom in crystallization storehouse.
As a still further scheme of the invention: the outer wall of one side that a connecting rod was kept away from to the puddler is laminated with the inner wall in crystallization storehouse mutually, the outer wall of one side that No. two connecting rods were kept away from to vertical scraper is laminated with the outer wall that absorbs water a section of thick bamboo mutually.
As a still further scheme of the invention: the outer wall one side that vertical connecting rod was kept away from to the arc scraper is laminated with the inner wall in crystallization storehouse mutually, one side that the arc scraper is close to vertical connecting rod is located the outside on section of thick bamboo top that absorbs water, the arc convex surface of arc scraper contacts with the crystal particle on filter top.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up the crystallizer, the crystallization storehouse, including a motor, an end cap, a controller, and a cover plate, a water absorption section of thick bamboo, the slotted hole absorbs water, the axis of rotation, helical blade, a connecting rod, the puddler, No. two connecting rods, vertical scraper, stoste inlet pipe and seed crystal inlet pipe can realize the flash separation of crystallization particle, the motor can drive helical blade through the axis of rotation, connecting rod rotation No. one, the puddler can be driven to the connecting rod, No. two connecting rods, vertical scraper rotates, the puddler can stir solution and make it can crystallize fast, and can scrape the wall to the crystallization storehouse inner wall, vertical scraper can scrape the wall to a water absorption section of thick bamboo, avoid crystallization particle adhesion on the outer wall, helical blade can drive solution and get into the water absorption section of thick bamboo and carry to the filter top along the inner wall of the slot hole that absorbs water, can filter great crystal block through the, thereby effectively controlling the size of the crystal block and effectively improving the working efficiency of crystallization;
2. through setting up the crystallizer, the crystallization storehouse, the cooling storehouse, the baffle, including a motor, an end cap, a controller, and a cover plate, the coolant liquid advances the pipe, the coolant liquid exit tube, rotatory section of thick bamboo, the spread groove, the ejection of compact slotted hole, arc blade, connect the bearing, the discharging pipe, inhale the material pipe, rotatory fan blade, the filter, the axis of rotation, the link ring piece, horizontal connecting rod, vertical connecting rod and arc scraper can realize the quick discharge of crystalline particles, can promote crystalline particles on the filter to inhaling near material pipe through the arc scraper, it can drive arc blade rotation to flow through the coolant liquid in the cooling storehouse, thereby realize the option section of thick bamboo, the rotation of rotatory fan blade, wind-force that produces through rotatory fan blade can inhale in the material pipe with crystalline particles.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the invention at position A;
FIG. 4 is an enlarged view of the invention at position B;
FIG. 5 is an exploded view in cross-section of the structure of the present invention;
FIG. 6 is a structural sectional view of a crystallizing tank of the present invention;
FIG. 7 is an exploded view of the discharge mechanism of the present invention;
FIG. 8 is an exploded view in cross-section of the discharge mechanism of the present invention;
FIG. 9 is an exploded view of the structure of a granulating and crystallizing mechanism of the present invention;
fig. 10 is a schematic structural view of the wall scraping mechanism of the present invention.
In the figure: 1. a crystallization tank; 101. a crystallization bin; 102. a cooling bin; 103. a partition plate; 2. a motor; 3. a slag discharge pipe; 301. a slag discharge valve; 4. a cooling liquid inlet pipe; 5. a coolant outlet pipe; 6. a discharge mechanism; 601. a rotary drum; 6011. connecting grooves; 6012. a discharge slot; 602. an arc-shaped blade; 603. connecting a bearing; 604. a discharge pipe; 605. a material suction pipe; 606. rotating the fan blade; 7. a filter plate; 8. a water suction cylinder; 801. a water-absorbing slot hole; 9. a granulation and crystallization mechanism; 901. a rotating shaft; 902. a helical blade; 903. a first connecting rod; 904. a stirring rod; 905. a second connecting rod; 906. a vertical scraper; 10. a wall scraping mechanism; 1001. a connecting ring block; 1002. a transverse connecting rod; 1003. a vertical connecting rod; 1004. an arc-shaped scraper; 11. a stock solution feeding pipe; 12. a seed feeding pipe.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.
Referring to fig. 1 to 10, in an embodiment of the present invention, a granulation crystallization apparatus for use in a sodium metasilicate preparation process includes a crystallization tank 1, a material discharge mechanism 6, a granulation crystallization mechanism 9, and a wall scraping mechanism 10, a motor 2 is disposed at a top end of the crystallization tank 1, a slag discharge pipe 3 is disposed at a bottom end of the crystallization tank 1, a slag discharge valve 301 is disposed at one side of an outer wall of the slag discharge pipe 3, a cooling liquid inlet pipe 4, a raw liquid inlet pipe 11, and a seed crystal inlet pipe 12 are disposed at one side of the outer wall of the crystallization tank 1, the raw liquid inlet pipe 11 is located below the cooling liquid inlet pipe 4, the seed crystal inlet pipe 12 is located below the raw liquid inlet pipe 11, a cooling liquid outlet pipe 5 is disposed at one side of the outer wall of the crystallization tank 1, a crystallization bin 101 and a cooling bin 102 are disposed inside the crystallization tank 1, the cooling bin 102 is located outside the crystallization bin 101, a partition plate 103 is disposed on an inner wall end surface, the bottom of filter 7 is provided with a section of thick bamboo 8 that absorbs water, and the top that absorbs water a section of thick bamboo 8 is run through to filter 7 is provided with slotted hole 801 that absorbs water, arranges material mechanism 6 and is located crystallizer 1 and is close to one side outer wall of coolant liquid exit tube 5, arranges material mechanism 6 and runs through inside cooling chamber 102 to crystallization chamber 101, and granulation crystallization mechanism 9 is located inside crystallization chamber 101 and is located the below of filter 7, scrapes the top that wall mechanism 10 is located inside crystallization chamber 101 and is located filter 7.
As a preferred embodiment of the invention, the discharging mechanism 6 comprises a rotary cylinder 601, an arc blade 602, a connecting bearing 603, a discharging pipe 604, a material sucking pipe 605 and a rotary fan blade 606, the rotary cylinder 601 and the arc blade 602 are positioned inside the partition 103, the arc blade 602 is positioned on the outer wall end surface of the rotary cylinder 601, the rotary cylinder 601 is internally provided with a connecting groove 6011 and a discharging groove 6012, the connecting groove 6011 is positioned on both sides of the discharging groove 6012, the connecting bearing 603 is positioned on both sides of the rotary cylinder 601 and is mutually sleeved with the inner wall of the connecting groove 6011, the rotary fan blade 606 is positioned inside the discharging groove 6012 and is fixedly connected with the inner wall of the discharging groove 6012, the discharging pipe 604 and the material sucking pipe 605 are respectively mutually sleeved with the inner wall of the connecting bearing 603 on both sides of the rotary cylinder 601, one side of the discharging pipe 604 far away from the rotary cylinder 601 penetrates through the cooling bin 102 to, one side of the material suction pipe 605 far away from the rotary cylinder 601 penetrates through the cooling bin 102 to the interior of the crystallization bin 101, crystal particles in the interior of the crystallization bin 101 can be quickly sucked out through the material discharge mechanism 6, large-particle crystal can be quickly discharged, and the working efficiency of sodium metasilicate production can be effectively improved.
As a preferred embodiment of the invention, the granulation crystallization mechanism 9 comprises a rotating shaft 901, a helical blade 902, a first connecting rod 903, a stirring rod 904, a second connecting rod 905 and a vertical scraper 906, the rotating shaft 901 and the helical blade 902 are positioned inside a water-absorbing slotted hole 801, the helical blade 902 is positioned on the side surface of the outer wall of the rotating shaft 901, the bottom end of the rotating shaft 901 penetrates through the water-absorbing slotted hole 801 to the lower part of the water-absorbing cylinder 8 to be connected with the first connecting rod 903, the first connecting rod 903 is positioned on both sides of the outer wall of the rotating shaft 901, the stirring rod 904 is positioned on both sides of the water-absorbing cylinder 8 and connected with one side of the first connecting rod 903 far away from the rotating shaft 901, the second connecting rod 905 is positioned on the outer wall of one side of the stirring rod 904 far away from the stirring rod 904, the top end of the rotating shaft 901 penetrates through the top end 801 of the water-absorbing slotted hole to the upper part of, can realize the inside sodium metasilicate stoste quick crystallization of crystallization storehouse 101 through granulation crystallization mechanism 9, the cooperation absorbs water a section of thick bamboo 8 and filter 7 can realize the quickly separating of crystallization granule and solution, can effectively improve the crystallization efficiency of sodium metasilicate stoste.
As a preferred embodiment of the invention, the wall scraping mechanism 10 comprises a connecting ring block 1001, a transverse connecting rod 1002, a vertical connecting rod 1003 and an arc-shaped scraper 1004, wherein the connecting ring block 1001 is positioned above the filter plate 7 and fixedly sleeved with the outer wall of the rotating shaft 901, the transverse connecting rod 1002 is positioned on the side surface of the outer wall of the connecting ring block 1001, the vertical connecting rod 1003 is positioned at the bottom end of one side, away from the connecting ring block 1001, of the transverse connecting rod 1002, the arc-shaped scraper 1004 is positioned at the bottom end of the vertical connecting rod 1003, the bottom end of the arc-shaped scraper 1004 is attached to the top end of the filter plate 7, and the wall scraping operation can be performed on the top end of the filter plate 7 through the wall scraping mechanism 10, so that crystal particles filtered by the filter plate 7.
As a preferred embodiment of the invention, a cooling liquid inlet pipe 4 and a cooling liquid outlet pipe 5 penetrate through the crystallization tank 1 to be connected with the inner wall of the cooling bin 102, two partition plates 103 are arranged, the two partition plates 103 are respectively positioned at two ends of the cooling liquid outlet pipe 5, the top ends of the partition plates 103 are connected with the top end of the inner wall of the cooling bin 102, and the rotary cylinder 601 is positioned at the middle position of the bottom ends of the two partition plates 103.
As a preferred embodiment of the invention, the raw liquid feed pipe 11 and the seed crystal feed pipe 12 penetrate through the crystallization tank 1 to be connected with the inner wall of the crystallization bin 101, the raw liquid feed pipe 11 and the seed crystal feed pipe 12 are positioned below the filter plate 7, the suction pipe 605 penetrates through the crystallization bin 101 to be positioned above the filter plate 7, the raw material can be added through the raw liquid feed pipe 11 and the seed crystal feed pipe 12, and the crystal particles on the top end of the filter plate 7 can be sucked and discharged out of the crystallization tank 1 through the suction pipe 605.
As a preferred embodiment of the invention, the outer wall of one side of the helical blade 902 far away from the rotating shaft 901 is tightly attached to the inner wall of the water absorption groove hole 801, the inner wall of the bottom end of the crystallization bin 101 is in a conical structure, the diameter of the inner wall of the bottommost end of the crystallization bin 101 is smaller than that of the inner wall above the crystallization bin 101, and the bottom end of the water absorption cylinder 8 is close to the bottom end of the inner wall of the crystallization bin 101, so that the solution at the bottom end of the crystallization bin 101 can be driven to the inside of the water absorption groove hole 801 and transmitted to the upper part of the filter plate 7 along the inner wall of the water absorption groove hole 801 when the helical blade 902 rotates, and the crystal particles in the solution can.
As a preferred embodiment of the invention, the outer wall of one side of the stirring rod 904 far away from the first connecting rod 903 is attached to the inner wall of the crystallization bin 101, the outer wall of one side of the vertical scraper 906 far away from the second connecting rod 905 is attached to the outer wall of the water suction cylinder 8, the stirring rod 904 can stir the solution and scrape the inner wall of the crystallization bin 101 when rotating, and the vertical scraper 906 can scrape the outer wall of the water suction cylinder 8, so that the adhesion of crystal particles on the outer wall of the water suction cylinder 8 and the inner wall of the crystallization bin 101 is avoided.
As a preferred embodiment of the invention, one side of the outer wall of the arc scraper 1004 far away from the vertical connecting rod 1003 is attached to the inner wall of the crystallization bin 101, one side of the arc scraper 1004 near the vertical connecting rod 1003 is positioned on the outer side of the top end of the water suction cylinder 8, and the arc convex surface of the arc scraper 1004 is in contact with the crystal particles on the top end of the filter plate 7.
The working principle of the invention is as follows: when the granulation crystallization device is used, raw material sodium metasilicate molten liquid and small-particle seed crystals can be respectively added into the crystallization bin 101 through the raw liquid feeding pipe 11 and the seed crystal feeding pipe 12, the motor 2 can be synchronously started in the process, the motor 2 can drive the rotating shaft 901, the spiral blades 902 and the first connecting rod 903 to rotate, the first connecting rod 903 can drive the stirring rod 904, the second connecting rod 905 and the vertical scraper 906 to rotate, the sodium metasilicate molten liquid in the crystallization bin 101 can be fully stirred through the rotation of the stirring rod 904, so that the sodium metasilicate molten liquid is uniformly attached to the surface of the small-particle seed crystals, after cooling, the sodium metasilicate molten liquid can be solidified and crystallized on the surface of the small-particle seed crystals, in addition, the rotation of the vertical scraper 906 can scrape the wall on the outer wall of the water suction cylinder 8, the stirring rod 904 can scrape the wall on the inner wall of the crystallization bin 101, so that the adhesion of the crystallization particles on the outer wall of the water suction cylinder 8 and, the solution at the bottom end of the crystallization bin 101 can be driven to the inside of the water absorption slotted hole 801 when the helical blade 902 rotates, and is transmitted to the upper part of the filter plate 7 along the inner wall of the water absorption slotted hole 801, the solution is filtered by the filter plate 7, and then the larger crystallization particles are intercepted at the top end of the filter plate 7, the small granular crystallization and sodium metasilicate molten liquid can flow to the lower part of the filter plate 7 again, so as to continue crystallization, the separation operation of the crystallization particles can be realized through the structure, meanwhile, the rotating shaft 901 can drive the arc-shaped scraper 1004 to rotate through the connecting ring block, the transverse connecting rod 1002 and the vertical connecting rod 1001 when rotating, the arc-shaped scraper 1004 can scrape the top end of the filter plate 7, the crystallization particles at the top end of the filter plate 7 are pushed, the phenomenon that the crystallization particles are accumulated to cause the blockage of the filter plate 7 can be avoided, and meanwhile, the crystallization particles can, therefore, the crystallized particles can be close to the material suction pipe 605, the discharge of the crystallized particles can be facilitated, for the rapid crystallization of the sodium metasilicate molten liquid, the temperature in the crystallization bin 101 needs to be reduced and cooled in the crystallization process, external cooling liquid can enter the cooling bin 102 through the cooling liquid inlet pipe 4 and flow to the cooling liquid outlet pipe 5 along the bottom ends of the two partition plates 103 and be discharged, the cooling liquid in the cooling bin 102 can perform heat exchange reaction with the solution in the crystallization bin, so that the temperature cooling of the crystallization bin 101 is realized, in the process that the cooling liquid flows to the cooling liquid outlet pipe 5 along the bottom ends of the partition plates 103, the cooling liquid can be in contact with the rotary cylinder 601 and the arc-shaped blades 602, the cooling liquid can generate thrust on the arc-shaped blades 602, the arc-shaped blades 602 can drive the rotary cylinder 601 to rotate by taking the connecting bearing 603 as the center, the rotary cylinder 601 can drive the rotary fan blades 606 to rotate, and the rotating rotary fan blades 606 can enable the discharge slotted hole 6012, this negative pressure can make and inhale material pipe 605 and to the inside suction that produces of crystallization storehouse 101, when arc scraper 1004 drives the crystallization granule and removes to inhaling near material pipe 605, this suction can inhale material pipe 605 with the crystallization granule, and discharge through discharging pipe 604, thereby realized the quick discharge of crystallization granule, through the amount slag pipe 3 of crystallizer 1 bottom, residual impurity in sediment valve 301 can be discharged to crystallization storehouse 101 after the crystallization operation is accomplished, can effectively improve sodium metasilicate's crystallization efficiency through this crystallization device.
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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (9)
1. The utility model provides a granulation crystallization device for sodium metasilicate preparation in-process is used, includes crystallizer (1), row material mechanism (6), granulation crystallization mechanism (9), scrapes wall mechanism (10), a serial communication port, the top of crystallizer (1) is provided with motor (2), the bottom of crystallizer (1) is provided with row cinder pipe (3), the outer wall one side of row cinder pipe (3) is provided with slag valve (301), outer wall one side of crystallizer (1) is provided with the coolant liquid and advances pipe (4), stoste inlet pipe (11), seed crystal inlet pipe (12), stoste inlet pipe (11) are located the below that the coolant liquid advances pipe (4), seed crystal inlet pipe (12) are located the below of stoste inlet pipe (11), the outer wall one side that the coolant liquid advances pipe (4) is provided with coolant liquid (5) in crystallizer (1) is kept away from, the inside of crystallizer (1) is provided with crystallization storehouse (101), A cooling bin (102), wherein the cooling bin (102) is positioned outside the crystallization bin (101), a partition plate (103) is arranged on the end surface of the inner wall of the cooling bin (102), a filter plate (7) is arranged in the crystallization bin (101) close to the top end, the bottom end of the filter plate (7) is provided with a water suction cylinder (8), the top end of the water suction cylinder (8) penetrates to the top end of the filter plate (7) to be provided with a water suction slotted hole (801), the discharging mechanism (6) is positioned on the outer wall of one side of the crystallizing tank (1) close to the cooling liquid outlet pipe (5), the discharging mechanism (6) penetrates through the cooling bin (102) to the interior of the crystallization bin (101), the granulation and crystallization mechanism (9) is positioned inside the crystallization bin (101) and below the filter plate (7), the wall scraping mechanism (10) is positioned inside the crystallization bin (101) and positioned at the top end of the filter plate (7).
2. The granulation and crystallization device for the sodium metasilicate preparation process according to claim 1, wherein the discharge mechanism (6) comprises a rotary cylinder (601), arc-shaped blades (602), a connecting bearing (603), a discharge pipe (604), a material suction pipe (605) and rotary fan blades (606), the rotary cylinder (601) and the arc-shaped blades (602) are located inside the partition plate (103), the arc-shaped blades (602) are located on the end surface of the outer wall of the rotary cylinder (601), a connecting groove (6011) and a discharge groove hole (6012) are arranged inside the rotary cylinder (601), the connecting groove (6011) is located on two sides of the discharge groove hole (6012), the connecting bearing (603) is located on two sides of the rotary cylinder (601) and is mutually sleeved with the inner wall of the connecting groove (6011), and the rotary fan blades (606) are located inside the discharge groove hole (6012) and are fixedly connected with the inner wall of the discharge groove hole (6012), the discharge pipe (604) and the suction pipe (605) are respectively sleeved with the inner walls of the connecting bearings (603) on two sides of the rotary cylinder (601), one side, far away from the rotary cylinder (601), of the discharge pipe (604) penetrates through the cooling bin (102) to the outside of the crystallization tank (1), the discharge pipe (604) is located below the cooling liquid outlet pipe (5), and one side, far away from the rotary cylinder (601), of the suction pipe (605) penetrates through the cooling bin (102) to the inside of the crystallization bin (101).
3. The granulation and crystallization device for the sodium metasilicate preparation process according to claim 1, wherein the granulation and crystallization mechanism (9) comprises a rotating shaft (901), a helical blade (902), a first connecting rod (903), a stirring rod (904), a second connecting rod (905) and a vertical scraper (906), the rotating shaft (901) and the helical blade (902) are positioned inside a water absorption slotted hole (801), the helical blade (902) is positioned on the side surface of the outer wall of the rotating shaft (901), the bottom end of the rotating shaft (901) penetrates through the water absorption slotted hole (801) to be connected with the first connecting rod (903) below the water absorption cylinder (8), the first connecting rod (903) is positioned on two sides of the outer wall of the rotating shaft (901), the stirring rod (904) is positioned on two sides of the water absorption cylinder (8) and is connected with one side of the first connecting rod (903) far away from the rotating shaft (901), the second connecting rod (905) is located on the outer wall of one side, close to the water suction cylinder (8), of the stirring rod (904), the vertical scraper (906) is located on one side, far away from the stirring rod (904), of the second connecting rod (905), the top end of the rotating shaft (901) penetrates through the top end of the water suction slotted hole (801) to the upper portion of the filter plate (7), and the output end of the motor (2) penetrates through the inner portion of the crystallization bin (101) to be connected with the top end of the rotating shaft (901).
4. The granulation and crystallization device for the sodium metasilicate preparation process according to claim 3, wherein the wall scraping mechanism (10) comprises a connecting ring block (1001), a transverse connecting rod (1002), a vertical connecting rod (1003) and an arc-shaped scraper (1004), the connecting ring block (1001) is positioned above the filter plate (7) and fixedly sleeved with the outer wall of the rotating shaft (901), the transverse connecting rod (1002) is positioned on the side surface of the outer wall of the connecting ring block (1001), the vertical connecting rod (1003) is positioned at the bottom end of one side of the transverse connecting rod (1002) away from the connecting ring block (1001), the arc-shaped scraper (1004) is positioned at the bottom end of the vertical connecting rod (1003), and the bottom end of the arc-shaped scraper (1004) is attached to the top end of the filter plate (7).
5. The granulation and crystallization device for the sodium metasilicate preparation process according to claim 2, wherein the cooling liquid inlet pipe (4) and the cooling liquid outlet pipe (5) penetrate through the crystallization tank (1) and are connected with the inner wall of the cooling bin (102), two partition plates (103) are provided, the two partition plates (103) are respectively arranged at two ends of the cooling liquid outlet pipe (5), the top ends of the partition plates (103) are connected with the top end of the inner wall of the cooling bin (102), and the rotary cylinder (601) is arranged at the middle position of the bottom ends of the two partition plates (103).
6. The granulation and crystallization device for sodium metasilicate preparation process according to claim 2, wherein the raw liquid feed pipe (11) and the seed crystal feed pipe (12) penetrate through the crystallization tank (1) and are connected with the inner wall of the crystallization bin (101), the raw liquid feed pipe (11) and the seed crystal feed pipe (12) are positioned below the filter plate (7), and the suction pipe (605) penetrates through the crystallization bin (101) and is positioned above the filter plate (7).
7. The granulation and crystallization device for the sodium metasilicate preparation process according to claim 3, wherein the outer wall of the side of the spiral blade (902) far away from the rotating shaft (901) is closely attached to the inner wall of the water absorption groove hole (801), the inner wall of the bottom end of the crystallization bin (101) is in a conical structure, the diameter of the inner wall of the bottommost end of the crystallization bin (101) is smaller than that of the inner wall above the crystallization bin (101), and the bottom end of the water absorption cylinder (8) is close to the bottom end of the inner wall of the crystallization bin (101).
8. The granulation and crystallization device for the sodium metasilicate preparation process according to claim 3, wherein the outer wall of the stirring rod (904) far away from the first connecting rod (903) is attached to the inner wall of the crystallization bin (101), and the outer wall of the vertical scraper (906) far away from the second connecting rod (905) is attached to the outer wall of the water suction cylinder (8).
9. The granulation and crystallization device for the sodium metasilicate preparation process according to claim 4, wherein one side of the outer wall of the arc-shaped scraper (1004) far away from the vertical connecting rod (1003) is attached to the inner wall of the crystallization bin (101), one side of the arc-shaped scraper (1004) near the vertical connecting rod (1003) is positioned outside the top end of the water suction cylinder (8), and the arc-shaped convex surface of the arc-shaped scraper (1004) is in contact with the crystal particles at the top end of the filter plate (7).
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