CN114353436A - High-temperature calcined sand raw material pretreatment method and matched integrated equipment - Google Patents
High-temperature calcined sand raw material pretreatment method and matched integrated equipment Download PDFInfo
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- CN114353436A CN114353436A CN202210068182.0A CN202210068182A CN114353436A CN 114353436 A CN114353436 A CN 114353436A CN 202210068182 A CN202210068182 A CN 202210068182A CN 114353436 A CN114353436 A CN 114353436A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection
- F26B3/286—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection by solar radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
- C04B28/344—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
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Abstract
The invention relates to the technical field of calcined sand, and particularly discloses a high-temperature calcined sand raw material pretreatment method and matched integrated equipment. According to the integrated equipment, the fixing ring and the heating rod in the integrated equipment rotate along with the mounting disc, large blocks in raw materials are hardened and large particles collide with crushing salient points on the outer wall of the heating rod at a certain frequency by the aid of centrifugal force of the fixing ring, accordingly, the mesh number of the raw materials is guaranteed to be in a qualified range, generated raw material powder is removed from the raw materials under the action of suction force of a dust collector, the mesh number of the raw materials is guaranteed to be in the qualified range, meanwhile, the heating rod can perform a certain heating effect on the raw materials in the fixing ring, and drying performance of the raw materials is guaranteed.
Description
Technical Field
The invention relates to the technical field of calcined sand, in particular to a high-temperature calcined sand raw material pretreatment method and matched integrated equipment.
Background
Calcined sand can be divided into the following categories:
natural sand: the rock particles with the particle size of less than 4.75mm are formed by natural weathering, water flow scouring and accumulation and are divided into river sand, sea sand and mountain sand according to living environments. The river sand particles have smooth surfaces, are relatively clean, have good texture and are wide in production source.
Artificial sand: the fine aggregate meeting the specification requirement is obtained by manual processing, and most of soil and fine powder are removed by methods such as vacuum suction in the process of processing the rock, or the clean fine aggregate is obtained by washing the stone chips. Broadly classified, machine-made sand, slag sand and calcined sand all belong to artificial sand. Wherein, broken stones and gravels are repeatedly crushed by a sand making machine to be processed into artificial sand with the grain diameter of less than 2.36mm, and the artificial sand is called machine-made sand and also called crushing sand.
Mixing sand: fine aggregates formed by mixing natural sand, artificial sand, machine-made sand or stone chips and the like according to a certain proportion are collectively called mixed sand.
However, in the pretreatment process of the existing emery raw materials, various raw materials need to be stirred and mixed in advance, a large amount of raw material powder can be generated after the various raw materials generate certain frequency collision friction in the stirring and mixing treatment process, the emery has strict requirements on the mesh number of the raw materials, and the generated raw material powder can generate irreversible influence on the later quality of the emery, so that in order to solve the problems, a pretreatment method for the high-temperature calcination emery raw materials and matched integrated equipment are provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a high-temperature calcined sand raw material pretreatment method and matched integrated equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a matched integrated device for pretreatment of high-temperature calcined sand raw materials comprises a tank body, wherein an installation plate is rotatably installed on the inner wall of the tank body, a plurality of treatment mechanisms are arranged on the installation plate, and a material spreading mechanism matched with the treatment mechanisms is arranged at the bottom of the installation plate;
the processing mechanism comprises a raw material box and a fixing ring, wherein the raw material box and the fixing ring are installed at the top of the installation plate, the fixing ring is located in the raw material box, the top of the raw material box is fixed with a fixing plate, a blocking assembly is arranged on the fixing plate, and a crushing assembly is arranged in the fixing ring.
Preferably, crushing unit is including fixing a plurality of heating rods at solid fixed ring inner wall, and the heating rod outer wall is fixed with a plurality of broken bumps, has seted up a plurality of through-holes on the solid fixed ring, and fixed plate top intercommunication has the inlet pipe, and inlet pipe top intercommunication has the feed box, and feed pipe tip is linked together with raw material box, and the inlet pipe tip is located solid fixed ring top, and the pan feeding mouth has been seted up at jar body top, directly over the feed box was located to the pan feeding mouth, and jar body top articulates there is the apron, and the apron covers the pan feeding mouth.
Preferably, the mounting hole has been seted up to the diapire in the stationary ring, seted up on the mounting disc with mounting hole matched with mounting groove, install the cylinder in the mounting groove, the terminal rigid coupling of piston rod of cylinder has the push pedal, the push pedal is concentric with stationary ring, set up on the fixed plate with push pedal matched with throw the mouth, the dust absorption mouth has been seted up to the raw materials box side, raw materials box side-mounting has the dust catcher, the dust absorption end and the dust absorption mouth of dust catcher are linked together.
Preferably, block the subassembly including fixing the baffle at the fixed plate top, the rake of baffle passes through one-way bearing and rotates to install and rotate the cover, and the rake of baffle is located directly over the projection mouth, and the fixed plate top is installed and is collected the mouth with baffle matched with conveyer belt, jar external wall seted up with conveyer belt matched with, jar external wall is installed and is collected the box, collects the box and is linked together with collecting the mouth.
Preferably, an annular sliding groove is formed in the inner wall of the tank body, an annular sliding ring is fixed on the outer wall of the mounting disc, the sliding ring is slidably mounted in the sliding groove, a rotating motor is mounted at the top of the tank body, an output shaft of the rotating motor is inserted into the tank body and connected with a rotating shaft, the end part of the rotating shaft is fixedly connected with the mounting disc, a protective shell is mounted on the tank body, and the rotating motor is located in the protective shell.
Preferably, spill material mechanism is including fixing the mounting panel in the mounting disc bottom, mounting panel side-mounting has electric telescopic handle, former feed box intercommunication has the discharging pipe, install the flowmeter in the discharging pipe, the discharging pipe runs through the mounting disc and communicates there is the ejection of compact mouth of pipe, electric telescopic handle's piston rod end is connected with the ejection of compact mouth of pipe, the fixed slot has been seted up to internal bottom wall of jar, bottom wall is fixed with the spring in the fixed slot, spring top rigid coupling has the fixed disk, the fixed disk top flushes with internal bottom wall of jar, vibrating motor is installed to the fixed disk bottom, the fixed disk outer wall is fixed with round rubber circle, rubber circle and fixed slot inner wall looks rigid coupling, the discharge gate has been seted up to jar side, jar side articulates there is the shrouding, the shrouding covers the discharge gate, a plurality of supporting legs are installed to jar body bottom.
The invention relates to a raw material pretreatment method of a matching integrated device for pretreatment of a high-temperature calcined sand raw material, which comprises the following steps:
the method comprises the following steps: preparing alumina, scrap iron, anthracite and diamond abrasive grain raw materials;
step two: placing the raw materials in the step one on a drying rack for drying in the sun, placing a blower at a position 30-55cm away from the drying rack for drying the raw materials by blowing, and installing a shielding curtain above the drying rack;
step three: putting the raw materials in the second step into a screening machine for primary screening, and removing the raw materials with unqualified meshes in the raw materials, so as to ensure that the mesh number of the alumina raw materials is controlled between 4 and 8 meshes, the mesh number of the scrap iron is controlled between 2 and 6 meshes, the mesh number of the anthracite is controlled between 5 and 9 meshes, and the mesh number of the diamond abrasive particles is controlled between 4 and 12 meshes;
step four: respectively putting the raw materials in the third step into a plurality of fixed rings in matched integrated equipment, and adding an inorganic adhesive and an initiator into the corresponding fixed rings;
step five: starting the matched integrated equipment to process the raw materials in the step four, finally screening the raw materials in the step four by utilizing the matched integrated equipment, ensuring that the raw materials in the step four meet the target requirements in the matched integrated equipment, uniformly mixing the raw materials in the step four together by matching a discharge pipe orifice and an electric telescopic rod in the matched integrated equipment, finishing the aim of stirring and mixing traditional raw materials, and uniformly adding an inorganic adhesive and an initiator into a mixed material in the process of mixing the raw materials in the step four by utilizing the matched integrated equipment.
Preferably, in the first step, the alumina is 30-38 parts, the scrap iron is 20-36 parts, the anthracite is 25-33 parts, and the diamond abrasive particles are 25-27 parts.
Preferably, the drying rack in the second step can be selected to be dried in sunny weather, the outdoor temperature is ensured to be at least 16 ℃, the distance between a shielding curtain arranged above the drying rack and the raw material on the drying rack is controlled to be 15-18cm, and the blowing speed of a blower is controlled to be 600 plus 800 revolutions per minute.
Preferably, the inorganic adhesive in the fourth step is a copper phosphate-oxide inorganic adhesive, and the initiator is a radical initiator.
Compared with the prior art, the invention has the beneficial effects that:
1: the fixing ring and the heating rod in the matched integrated equipment rotate along with the mounting disc, the large blocks and the large blocks in the raw materials can collide with the crushing salient points on the outer wall of the heating rod at a certain frequency by the centrifugal force of the fixing ring, so that the mesh number of the raw materials is ensured to be in a qualified range, the generated raw material powder is removed from the raw materials under the suction action of a dust collector, the mesh number of the raw materials is ensured to be in the qualified range, meanwhile, the heating rod can be used for heating the raw materials in the fixing ring to a certain extent, the drying performance of the raw materials is ensured, meanwhile, the heating rod and the crushing salient points on the outer surface of the heating rod can be used in a matched mode, the large blocks and the hard-to-crush lumps in the raw materials can be prevented from entering between the heating rod and the crushing salient points, the large blocks and the hard-to-crush lumps can be accumulated on the push plate, and the large blocks and the hard-to-crush lumps can be knocked off by the matching of the air cylinder and the push plate, and the diamond dust is conveyed to the outside through a conveying belt, so that the phenomenon that the quality of later-stage diamond dust is influenced by the generation of raw material powder due to the fact that large particles and agglomerates rotate along with the raw materials in a fixing ring for a long time is avoided.
2: according to the invention, through the matching use of the electric telescopic rod and the discharge pipe orifice, the discharge position of the discharge pipe orifice can be adjusted, the positions of the discharge pipe orifices of different raw materials can be adjusted according to the raw material arrangement sequence of the carborundum, so that various raw materials can be uniformly arranged and fall on the fixed disc, the fixed disc generates certain frequency vibration under the action of the vibration motor to shake and mix the various raw materials, the phenomenon that the later-stage bonding strength is influenced due to too large gaps among the various raw materials is avoided, the required mixing and stirring effect can be achieved without the traditional mixing and stirring, the effect is better, the problem that the later-stage quality of the carborundum is influenced by raw material powder generated in the traditional mixing and stirring process is also avoided, and the quality of the later-stage carborundum is improved.
3: in the invention, the raw material is firstly dried in the sun and air-dried, impurities such as dust and the like adhered to the surface of the raw material can be dried and hardened in the sun and then removed by blowing, not only the raw material is dried in the sun to a certain extent, simultaneously removes impurities attached to the surface of the raw material, achieves two purposes, and simultaneously when the raw material is dried in the air, the raw material is shielded by the shielding curtain to ensure the cleanliness of the raw material in the airing process, and the matched integrated equipment is utilized to process the raw materials, so that the raw materials can not generate raw material powder in the pretreatment process to influence the quality of the later-stage carborundum, the quality of the later-stage carborundum is improved, and a certain amount of inorganic adhesive and initiator are added into the raw materials in the matched integrated equipment, so that the bonding strength among various raw materials is improved to a certain extent, and the matched integrated equipment can uniformly mix various raw materials and is not easy to scatter.
Drawings
FIG. 1 is an isometric view of a complete integrated apparatus for pre-treating a high temperature calcined sand raw material according to the present invention;
FIG. 2 is a sectional view of a high temperature calcined sand raw material pretreatment integrated apparatus according to the present invention;
FIG. 3 is a sectional view of a high temperature calcined sand raw material pretreatment integrated apparatus according to the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a sectional view of a high temperature calcined sand raw material pretreatment integrated apparatus according to the present invention;
FIG. 6 is a schematic structural diagram of a baffle plate of a matching integrated device for pretreatment of a high-temperature calcined sand raw material according to the present invention;
FIG. 7 is a schematic structural view of a fixing ring of a matching integrated device for high-temperature calcined sand raw material pretreatment according to the present invention;
FIG. 8 is a sectional view of a mounting plate of a high-temperature calcined sand raw material pretreatment integrated device according to the present invention;
FIG. 9 is a front view of an integrated apparatus for pre-treating high-temperature calcined sand according to the present invention.
In the figure: 1. a tank body; 2. a collection box; 3. closing the plate; 4. a protective shell; 5. a cover plate; 6. supporting legs; 7. a rotating electric machine; 8. a rotating shaft; 9. fixing the disc; 10. a rubber ring; 11. a slip ring; 12. mounting a disc; 13. a raw material box; 14. a fixing ring; 15. a fixing plate; 16. a conveyor belt; 17. a baffle plate; 18. a feeding box; 19. a projection port; 20. mounting a plate; 21. an electric telescopic rod; 22. a discharge pipe orifice; 23. a spring; 24. a vibration motor; 25. rotating the sleeve; 26. a heating rod; 27. crushing the salient points; 28. pushing the plate; 29. and a cylinder.
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.
Referring to fig. 1-9, a matching integrated device for pretreatment of high-temperature calcined sand raw materials comprises a tank body 1, wherein a mounting disc 12 is rotatably mounted on the inner wall of the tank body 1, a plurality of treatment mechanisms are arranged on the mounting disc 12, and a material spreading mechanism matched with the treatment mechanisms is arranged at the bottom of the mounting disc 12;
the processing mechanism comprises a raw material box 13 and a fixing ring 14 which are installed at the top of the mounting disc 12, the fixing ring 14 is located in the raw material box 13, a fixing plate 15 is fixed at the top of the raw material box 13, a blocking assembly is arranged on the fixing plate 15, and a crushing assembly is arranged in the fixing ring 14.
As a technical optimization scheme of the invention, the crushing assembly comprises a plurality of heating rods 26 fixed on the inner wall of a fixing ring 14, a plurality of crushing salient points 27 are fixed on the outer wall of the heating rods 26, a plurality of through holes are formed in the fixing ring 14, a feeding pipe is communicated with the top of a fixing plate 15, a feeding box 18 is communicated with the top end of the feeding pipe, the end part of the feeding pipe is positioned above the fixing ring 14, a feeding port is formed in the top of a tank body 1 and is positioned right above the feeding box 18, a cover plate 5 is hinged to the top of the tank body 1, the cover plate 5 covers the feeding port, the fixing ring 14 and the heating rods 26 rotate along with a mounting disc 12, large blocks and large particles in raw materials can collide with the crushing salient points 27 on the outer wall of the heating rods 26 at a certain frequency under the action of centrifugal force of the fixing ring 14, so that the mesh number of the raw materials is ensured to be in a qualified range, and the generated raw material powder is removed from the raw materials under the suction action of a dust collector, the mesh number of the raw materials is ensured to be in a qualified range, and meanwhile, the raw materials in the fixing ring 14 can be heated to a certain extent by the heating rod 26, so that the dryness of the raw materials is ensured.
As a technical optimization scheme of the invention, the inner bottom wall of the fixed ring 14 is provided with a mounting opening, the mounting disc 12 is provided with a mounting groove matched with the mounting opening, the mounting groove is internally provided with an air cylinder 29, the tail end of a piston rod of the air cylinder 29 is fixedly connected with a push plate 28, the push plate 28 is concentric with the fixed ring 14, the fixing plate 15 is provided with a projection opening 19 matched with the push plate 28, the side surface of the raw material box 13 is provided with a dust suction opening, the side surface of the raw material box 13 is provided with a dust collector, the dust suction end of the dust collector is communicated with the dust suction opening, large particles and hard-to-crush agglomerates in the raw material can be difficultly introduced between the heating rod 26 and the crush bumps 27 by using the matching of the heating rod 26 and the crush bumps 27 on the outer surface, the large particles and the hard-to-crush agglomerates can be accumulated on the push plate 28, the large particles and the hard-to-crush agglomerates can be thrown away by using the matching of the air cylinder 29 and the push plate 28, and the silicon carbide powder is conveyed to the outside through the conveying belt 16, so that the phenomenon that the quality of later-stage carborundum is influenced by the raw material powder generated by the fact that large particles and agglomerates rotate along with the raw material in the fixing ring 14 for a long time is avoided.
As a technical optimization scheme of the invention, the blocking component comprises a baffle 17 fixed at the top of a fixed plate 15, a rotating sleeve 25 is rotatably arranged on an inclined part of the baffle 17 through a one-way bearing, the inclined part of the baffle 17 is positioned right above a projection port 19, a conveyor belt 16 matched with the baffle 17 is arranged at the top of the fixed plate 15, a collecting port matched with the conveyor belt 16 is arranged on the outer wall of the tank body 1, a collecting box 2 is arranged on the outer wall of the tank body 1, the collecting box 2 is communicated with the collecting port, fixed blocks are respectively fixed on two side surfaces of the inclined part of the baffle 17, a fixed shaft is arranged between the fixed blocks, the one-way bearing is arranged on the fixed shaft, the rotating sleeve 25 can rotate in one direction after being arranged on the one-way bearing, a certain inclined friction can be generated between the rotating sleeve 25 when massive raw material particles and agglomerates are knocked away under the action of an air cylinder 29 and a push plate 28, so that the rotating sleeve 25 provides a guiding action for the massive raw material particles and agglomerates, the large particles and agglomerates of raw material can be directed onto a conveyor 16 and conveyed into the collection box 2 for uniform collection.
As a technical optimization scheme of the invention, an annular sliding groove is formed in the inner wall of a tank body 1, an annular sliding ring 11 is fixed on the outer wall of a mounting disc 12, the sliding ring 11 is slidably mounted in the sliding groove, a rotating motor 7 is mounted at the top of the tank body 1, an output shaft of the rotating motor 7 is inserted into the tank body 1 and connected with a rotating shaft 8, the end part of the rotating shaft 8 is fixedly connected with the mounting disc 12, a protective shell 4 is mounted on the tank body 1, the rotating motor 7 is located in the protective shell 4, the output shaft of the rotating motor 7 drives the rotating shaft 8 to rotate, and the rotating shaft 8 can drive the mounting disc 12 to rotate.
As a technical optimization scheme of the invention, the material spreading mechanism comprises a mounting plate 20 fixed at the bottom of a mounting plate 12, an electric telescopic rod 21 is installed on the side surface of the mounting plate 20, a material box 13 is communicated with a material outlet pipe, a flow meter is installed in the material outlet pipe, the material outlet pipe penetrates through the mounting plate 12 and is communicated with a material outlet pipe orifice 22, the tail end of a piston rod of the electric telescopic rod 21 is connected with the material outlet pipe orifice 22, a fixing groove is formed in the inner bottom wall of a tank body 1, a spring 23 is fixed on the inner bottom wall of the fixing groove, a fixing plate 9 is fixedly connected to the top end of the spring 23, the top of the fixing plate 9 is flush with the inner bottom wall of the tank body 1, a vibration motor 24 is installed at the bottom of the fixing plate 9, the position of the material outlet pipe orifice 22 for discharging can be adjusted through the matched use of the electric telescopic rod 21 and the material outlet pipe orifice 22, the positions of the material outlet pipe orifices 22 of different materials can be adjusted according to the raw material arrangement sequence of carborundum, so that various raw materials can be evenly arranged and fall on the fixing plate 9, and fixed disk 9 produces the vibration of certain frequency and mixes various raw materials shake under vibrating motor 24 effects, avoid producing too big clearance between various raw materials and influence later stage adhesive strength, it does not need the tradition to mix the stirring and can reach the effect of required mixed stirring, and the effect is more, the problem of raw materials powder influence carborundum later stage quality that the stirring in-process produced is mixed to the while again, improve the quality of later stage carborundum, fixed disk 9 outer wall is fixed with round rubber circle 10, rubber circle 10 and fixed slot inner wall looks rigid coupling, the discharge gate has been seted up to 1 side of the jar body, 1 side of the jar body articulates there is shrouding 3, shrouding 3 covers the discharge gate, a plurality of supporting legs 6 are installed to 1 bottom of the jar body.
The invention relates to a raw material pretreatment method of a matching integrated device for pretreatment of a high-temperature calcined sand raw material, which comprises the following steps:
the method comprises the following steps: preparing alumina, scrap iron, anthracite and diamond abrasive grain raw materials;
step two: placing the raw materials in the step one on a drying rack for drying in the sun, placing a blower at a position 30-55cm away from the drying rack for drying the raw materials by blowing, and installing a shielding curtain above the drying rack;
step three: putting the raw materials in the second step into a screening machine for primary screening, and removing the raw materials with unqualified meshes in the raw materials, so as to ensure that the mesh number of the alumina raw materials is controlled between 4 and 8 meshes, the mesh number of the scrap iron is controlled between 2 and 6 meshes, the mesh number of the anthracite is controlled between 5 and 9 meshes, and the mesh number of the diamond abrasive particles is controlled between 4 and 12 meshes;
step four: respectively putting the raw materials in the third step into a plurality of fixing rings 14 in matched integrated equipment, and adding an inorganic adhesive and an initiator into the corresponding fixing rings 14;
step five: starting the matching integrated equipment to process the raw materials in the step four, utilizing the matching integrated equipment to finally screen the raw materials in the step four, ensuring that the raw materials in the step four meet the target requirements in the matching integrated equipment, uniformly mixing the raw materials in the step four together through the matching of the discharge pipe orifice 22 and the electric telescopic rod 21 in the matching integrated equipment, completing the purpose of stirring and mixing the traditional raw materials, and uniformly adding the inorganic adhesive and the initiator into the mixed materials in the process of mixing the raw materials in the step four by utilizing the matching integrated equipment.
As a technical optimization scheme of the invention, in the first step, the alumina accounts for 30-38 parts, the scrap iron accounts for 20-36 parts, the anthracite accounts for 25-33 parts, and the diamond abrasive particles account for 25-27 parts.
As a technical optimization scheme of the invention, in the second step, the drying rack can be selected to be dried in sunny weather, the outdoor temperature is ensured to be at least 16 ℃, the distance between a shielding curtain arranged above the drying rack and the raw material on the drying rack is controlled to be 15-18cm, and the blowing speed of a blower is controlled to be 600-800 revolutions per minute.
As a technical optimization scheme of the invention, the inorganic adhesive in the fourth step is phosphoric acid-copper oxide inorganic adhesive, and the initiator is a free radical initiator.
When the matched integrated equipment for pretreating the high-temperature calcined sand raw material is used, the cover plate 5 at the top of the tank body 1 is opened, various pretreated raw materials are loaded in the plurality of feeding boxes 18 respectively, and various raw materials enter the corresponding fixing rings 14 through the plurality of feeding boxes 18 respectively; the motor 7 is started, an output shaft of the motor 7 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the mounting disc 12 to rotate, the mounting disc 12 rotates to drive the fixing ring 14 and the raw material box 13 mounted on the mounting disc to rotate, and the fixing ring 14 drives the raw materials loaded in the fixing ring to rotate in the rotating process.
The fixing ring 14 and the heating rod 26 rotate along with the mounting disc 12, large blocks and hardened blocks and large blocks and particles in the raw materials can collide with the crushing salient points 27 on the outer wall of the heating rod 26 at a certain frequency by utilizing the centrifugal force action of the fixing ring 14, and the raw materials are crushed to a certain extent by utilizing the heating rod 26 and the crushing salient points 27 on the outer wall of the heating rod, so that the mesh number of the raw materials is ensured to be in a qualified range; simultaneously, starting a dust collector arranged on the side surface of the raw material box 13, and removing the generated raw material powder from the raw material under the suction action of the dust collector to ensure that the mesh number of the raw material is in a qualified range; meanwhile, the heating rod 26 can be used for heating the raw materials in the fixing ring 14 to a certain extent, so that the drying property of the raw materials is ensured; meanwhile, the heating rod 26 and the crushing salient points 27 on the outer surface of the heating rod can be used in a matched mode, large particles and hard-to-crush agglomerates in the raw materials can be prevented from entering a space between the heating rod 26 and the crushing salient points 27 difficultly, the large particles and the hard-to-crush agglomerates can be accumulated on the push plate 28, the air cylinder 29 is started, the large particles and the hard-to-crush agglomerates are knocked off by the aid of the air cylinder 29 and the push plate 28 in a matched mode, the knocked-off large particles and the hard-to-crush agglomerates fly out of the raw material box 13 through the injection port 19, the knocked-off large particles and the hard-to-crush agglomerates fall on the conveyor belt 16 under the blocking and guiding effects of the baffle plate 17 and are conveyed to the outside through the conveyor belt 16, and the phenomenon that the large particles and the agglomerates rotate along with the raw materials in the fixing ring 14 for a long time to generate raw material powder to influence the quality of later-stage carborundum is avoided.
Raw material particles with qualified meshes are accumulated in the raw material box 13, are discharged through the discharge pipe orifice 22, are matched with the electric telescopic rod 21 and the discharge pipe orifice 22 for use, the discharging position of the discharging pipe orifice 22 can be adjusted, the positions of the discharging pipe orifices 22 of different raw materials can be adjusted according to the raw material arrangement sequence of the carborundum, so that various raw materials can be uniformly arranged and fall on the fixed disc 9, meanwhile, the vibration motor 24 is started, the fixed disc 9 generates vibration with certain frequency under the action of the vibration motor 24 to shake and mix various raw materials, thereby avoiding the influence on the later bonding strength caused by overlarge gaps among the various raw materials, it does not need the tradition to mix the stirring and can reach the effect of required mixture stirring, and the effect is more, avoids the raw materials powder that the tradition produced again to mix the stirring in-process simultaneously to influence the problem of carborundum later stage quality, improves the quality of later stage carborundum.
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 should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A matching integrated device for pretreatment of high-temperature calcined sand raw materials comprises a tank body (1) and is characterized in that a mounting disc (12) is rotatably mounted on the inner wall of the tank body (1), a plurality of treatment mechanisms are arranged on the mounting disc (12), and a material spreading mechanism matched with the treatment mechanisms is arranged at the bottom of the mounting disc (12);
the processing mechanism comprises a raw material box (13) and a fixing ring (14) which are arranged at the top of the mounting disc (12), the fixing ring (14) is positioned in the raw material box (13), a fixing plate (15) is fixed at the top of the raw material box (13), a blocking assembly is arranged on the fixing plate (15), and a crushing assembly is arranged in the fixing ring (14).
2. The high-temperature calcined sand raw material pretreatment integrated equipment as claimed in claim 1, wherein the crushing assembly comprises a plurality of heating rods (26) fixed on the inner wall of a fixing ring (14), a plurality of crushing salient points (27) are fixed on the outer wall of each heating rod (26), a plurality of through holes are formed in the fixing ring (14), a feeding pipe is communicated with the top of a fixing plate (15), the top end of the feeding pipe is communicated with a feeding box (18), the end part of the feeding pipe is communicated with a raw material box (13), the end part of the feeding pipe is located above the fixing ring (14), a feeding port is formed in the top of the tank body (1), the feeding port is located right above the feeding box (18), a cover plate (5) is hinged to the top of the tank body (1), and the cover plate (5) covers the feeding port.
3. The high-temperature calcined sand raw material pretreatment integrated equipment as claimed in claim 1, wherein a mounting port is formed in the inner bottom wall of the fixing ring (14), a mounting groove matched with the mounting port is formed in the mounting disc (12), an air cylinder (29) is mounted in the mounting groove, a push plate (28) is fixedly connected to the end of a piston rod of the air cylinder (29), the push plate (28) and the fixing ring (14) are concentric, a projection port (19) matched with the push plate (28) is formed in the fixing plate (15), a dust suction port is formed in the side surface of the raw material box (13), a dust collector is mounted on the side surface of the raw material box (13), and the dust suction end of the dust collector is communicated with the dust suction port.
4. The high-temperature calcined sand raw material pretreatment matching integrated equipment as claimed in claim 3, wherein the blocking component comprises a baffle (17) fixed at the top of a fixing plate (15), a rotating sleeve (25) is rotatably installed on an inclined part of the baffle (17) through a one-way bearing, the inclined part of the baffle (17) is located right above the projection port (19), a conveyor belt (16) matched with the baffle (17) is installed at the top of the fixing plate (15), a collecting port matched with the conveyor belt (16) is formed in the outer wall of the tank body (1), a collecting box (2) is installed on the outer wall of the tank body (1), and the collecting box (2) is communicated with the collecting port.
5. The matched integrated equipment for pretreating the high-temperature calcined sand raw material according to claim 1, wherein an annular sliding groove is formed in the inner wall of the tank body (1), an annular sliding ring (11) is fixed on the outer wall of the mounting disc (12), the sliding ring (11) is slidably mounted in the sliding groove, a rotating motor (7) is mounted at the top of the tank body (1), an output shaft of the rotating motor (7) is inserted into the tank body (1) and is connected with a rotating shaft (8), the end part of the rotating shaft (8) is fixedly connected with the mounting disc (12), a protective shell (4) is mounted on the tank body (1), and the rotating motor (7) is located in the protective shell (4).
6. The high-temperature calcined sand raw material pretreatment integrated equipment as claimed in claim 1, wherein the material spreading mechanism comprises a mounting plate (20) fixed at the bottom of the mounting plate (12), an electric telescopic rod (21) is installed on the side surface of the mounting plate (20), a discharging pipe is communicated with the raw material box (13), a flowmeter is installed in the discharging pipe, the discharging pipe penetrates through the mounting plate (12) and is communicated with a discharging pipe orifice (22), the tail end of a piston rod of the electric telescopic rod (21) is connected with the discharging pipe orifice (22), a fixing groove is formed in the inner bottom wall of the tank body (1), a spring (23) is fixed on the inner bottom wall of the fixing groove, a fixed disk (9) is fixedly connected to the top end of the spring (23), the top of the fixed disk (9) is flush with the inner bottom wall of the tank body (1), a vibrating motor (24) is installed at the bottom of the fixed disk (9), and a circle of rubber ring (10) is fixed on the outer wall of the fixed disk (9), rubber circle (10) and fixed slot inner wall looks rigid coupling, the discharge gate has been seted up to jar body (1) side, and jar body (1) side articulates there is shrouding (3), and shrouding (3) cover the discharge gate, and a plurality of supporting legs (6) are installed to jar body (1) bottom.
7. The method for pretreating raw materials of a matched integrated device for pretreating raw materials of high-temperature calcined sand according to any one of claims 1 to 6, wherein the method comprises the following steps:
the method comprises the following steps: preparing alumina, scrap iron, anthracite and diamond abrasive grain raw materials;
step two: placing the raw materials in the step one on a drying rack for drying in the sun, placing a blower at a position 30-55cm away from the drying rack for drying the raw materials by blowing, and installing a shielding curtain above the drying rack;
step three: putting the raw materials in the second step into a screening machine for primary screening, and removing the raw materials with unqualified meshes in the raw materials, so as to ensure that the mesh number of the alumina raw materials is controlled between 4 and 8 meshes, the mesh number of the scrap iron is controlled between 2 and 6 meshes, the mesh number of the anthracite is controlled between 5 and 9 meshes, and the mesh number of the diamond abrasive particles is controlled between 4 and 12 meshes;
step four: respectively putting the raw materials in the third step into a plurality of fixing rings (14) in matched integrated equipment, and adding an inorganic adhesive and an initiator into the corresponding fixing rings (14);
step five: starting the matched integrated equipment to process the raw materials in the fourth step, finally screening the raw materials in the fourth step by utilizing the matched integrated equipment, ensuring that the raw materials in the fourth step meet the target requirements in the matched integrated equipment, uniformly mixing the raw materials in the fourth step together by matching a discharge pipe orifice (22) and an electric telescopic rod (21) in the matched integrated equipment, completing the purpose of stirring and mixing the traditional raw materials, and uniformly adding an inorganic adhesive and an initiator into a mixed material in the process of mixing the raw materials in the fourth step by utilizing the matched integrated equipment.
8. The high-temperature calcined sand raw material pretreatment method and the matched integrated equipment according to claim 7, wherein in the first step, the alumina is 30-38 parts, the scrap iron is 20-36 parts, the anthracite is 25-33 parts, and the diamond abrasive particles are 25-27 parts.
9. The method for pretreating high-temperature calcined sand raw materials and the matched integrated equipment as claimed in claim 7, wherein in the second step, the drying rack can be selectively dried in sunny weather, the outdoor temperature is ensured to be at least 16 ℃, the height of a shielding curtain arranged above the drying rack from the raw materials on the drying rack is controlled to be 15-18cm, and the blowing speed of a blower is controlled to be 600-.
10. The high-temperature calcined sand raw material pretreatment method and the matched integrated equipment according to claim 7, wherein the inorganic binder in the fourth step is a copper phosphate-copper oxide inorganic adhesive, and the initiator is a radical initiator.
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| CN114353436B (en) | 2022-11-01 |
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