CN114310687A - Method and equipment for manufacturing steel grit by using waste steel wire - Google Patents
Method and equipment for manufacturing steel grit by using waste steel wire Download PDFInfo
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- CN114310687A CN114310687A CN202111660907.7A CN202111660907A CN114310687A CN 114310687 A CN114310687 A CN 114310687A CN 202111660907 A CN202111660907 A CN 202111660907A CN 114310687 A CN114310687 A CN 114310687A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 184
- 239000010959 steel Substances 0.000 title claims abstract description 184
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 239000002699 waste material Substances 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 40
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 238000005496 tempering Methods 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 26
- 238000010791 quenching Methods 0.000 claims description 26
- 230000000171 quenching effect Effects 0.000 claims description 26
- 239000000047 product Substances 0.000 claims description 21
- 238000007790 scraping Methods 0.000 claims description 21
- 238000012216 screening Methods 0.000 claims description 17
- 238000005520 cutting process Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910000677 High-carbon steel Inorganic materials 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract description 14
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The invention discloses a method and equipment for manufacturing steel grit by using waste steel wires, and relates to the field of metal grinding materials, wherein the method comprises a tank body, wherein the upper part of the tank body is fixedly connected with a feeding pipe, the bottom of the tank body is fixedly connected with a discharging pipe, the bottom of an inner cavity of the tank body is fixedly connected with a supporting assembly, the side wall of the supporting assembly is rotatably connected with a filter screen barrel, the upper end of the filter screen barrel is in sliding connection with the feeding pipe, and the bottom of the filter screen barrel is in sliding connection with the discharging pipe; according to the centrifugal drying device, the driving gear, the driven gear, the filter screen barrel and the second blade are arranged, centrifugal drying of materials is firstly achieved under the action of centrifugal force generated by rotation of the filter screen barrel, and meanwhile, airflow which flows at an accelerated speed is generated at the top of the tank body, so that the drying efficiency of the materials is accelerated; and through the setting of runner and first blade, not only can play the fixed effect of support to the filter screen bucket, can also produce the air current that accelerates the flow in the bottom, so through the relative action of air current from top to bottom, further improved the drying rate of material.
Description
Technical Field
The invention relates to the technical field of metal abrasives, in particular to a method and equipment for manufacturing steel grit by using waste steel wires.
Background
The steel grit is formed by crushing steel, is mainly suitable for a sand blasting room, can be used for device products with different sizes, and is widely applied to the industries of casting, stone processing, steel structure, shipbuilding, aviation, die casting, locomotive, container and the like. With the development of society, waste resources are more and more. How to utilize the waste resources plays an important role in the sustainable development of the society. In the metal abrasive industry, waste steel wires such as waste steel wire ropes, cables and steel wires inside tires can be frequently utilized. These scrap steel wire is either directly smelted or processed into steel wire cut pellets.
At present, most of the existing methods for manufacturing steel grit by using waste steel wires adopt a direct smelting mode, but the mode causes high energy consumption and environmental pollution, damages to shot blasting machine equipment and workpieces and has low process output value; and at present, in the process of utilizing the waste steel wire to manufacture the steel grit, the process of airing needs to be carried out, the traditional method mostly adopts the mode of natural airing or heating and drying, the airing efficiency is lower, the subsequent work is influenced, and the economic development of enterprises is not facilitated.
Disclosure of Invention
The invention aims to solve the defects of high energy consumption, environmental pollution and incapability of quickly drying materials in the prior art, and provides a method and equipment for manufacturing steel grit by using waste steel wires.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for manufacturing steel grit by using waste steel wires comprises the following steps:
putting the waste steel wire into a shredder for cutting;
putting the steel wire section into a quenching furnace for heating and quenching treatment;
putting the quenched steel wire section into a double-roller machine for crushing;
putting the crushed semi-finished product into a tempering furnace for heating and tempering;
and screening and classifying the finished steel grit after the tempering treatment.
Preferably, the step of putting the waste steel wire into a shredder for cutting includes:
firstly, selecting a steel scrap material made of high-carbon steel or alloy steel;
putting the selected scrap steel into a filament cutter, cutting the scrap steel into steel wire sections of 0.2-0.4cm, and piling and collecting the steel wire sections.
Preferably, the heating and quenching treatment of the steel wire section in a quenching furnace specifically comprises:
putting the cut steel wire section into a quenching furnace, closing a bin door of the quenching furnace, heating the temperature in the quenching furnace to 900-930 ℃, and stopping heating to ensure that the steel wire section is heated for 20 minutes at the temperature;
in the heating process, the steel wire sections are stirred, and the sealing effect in the quenching furnace is ensured, so that the steel wire sections are uniformly heated, and the quality of products is improved;
after the heating time is over, putting the steel wire section into water with the temperature below 25 ℃ for quenching, taking the steel wire section out of the water after the steel wire section is completely cooled, putting the steel wire section into a draining net with the aperture smaller than the outer diameter of the steel wire section, and draining the water attached to the surface for later use;
and in the process of controlling water, the draining net should be shaken at intervals so as to ensure that all steel wire sections in the draining net can be effectively dried.
Preferably, the step of putting the quenched steel wire section into a roll mill for crushing treatment specifically comprises:
firstly, taking a plurality of sections of dried steel wire sections, adjusting a roll pair machine to corresponding production parameters, and carrying out a crushing experiment to ensure that the particle size of the crushed product meets the production requirement;
after the grain size meets the requirement, a large amount of steel wire sections can be put into a roller pair machine, so that the steel wire sections are crushed into sand-shaped particles to form a steel grit primary finished product, and if the steel grit requires the hardness to be more than 55 Rockwell hardness, the steel grit is directly packaged; if the steel grit is not required to have a hardness of 55 Rockwell hardness or 55 or less, tempering is required.
Preferably, the step of putting the crushed semi-finished product into a tempering furnace for heating and tempering includes:
pouring the steel grit primary product into a tempering furnace, closing a bin door of the tempering furnace, heating the temperature in the tempering furnace to 520 ℃, and enhancing the strength and reducing the hardness of the steel grit under the action of high temperature to form finished steel grit;
and in the tempering process, the primary steel grit product is stirred, so that the primary steel grit product is uniformly heated, and the quality of the product is improved.
Preferably, the screening and classifying the finished steel grit after the tempering treatment specifically includes:
after the finished steel grit formed after tempering is cooled, the obtained finished steel grit is subjected to multilayer screening by using screening nets with different apertures, the screening nets are required to be continuously shaken in the screening process to ensure that the finished steel grit can be smoothly screened, and then the obtained finished steel grit with different apertures is subjected to classified packaging to meet different use requirements.
An apparatus for manufacturing steel grit using scrap steel wire, comprising:
the feeding device comprises a tank body, wherein the upper part of the tank body is fixedly connected with a feeding pipe, the bottom of the tank body is fixedly connected with a supporting leg, the bottom of the tank body is fixedly connected with a discharging pipe, the bottom of an inner cavity of the tank body is fixedly connected with a supporting component, the side wall of the supporting component is rotatably connected with a filter screen barrel, the upper end of the filter screen barrel is slidably connected with the feeding pipe, and the bottom of the filter screen barrel is slidably connected with the discharging pipe;
the driving component is fixedly connected with the side wall of the filter screen barrel and is used for driving the filter screen barrel to rotate and generating flowing air flow inside the tank body;
and the scraping component is fixedly connected with the inner wall of the filter screen barrel and is used for scraping water stains on the inner wall of the tank body.
Preferably, the supporting component includes the bracing piece, the bracing piece inner wall rotates and is connected with the interlock axle, interlock axle lateral wall fixedly connected with runner, the runner lateral wall laminates with the filter screen bucket lateral wall mutually, the first blade of interlock axle tip fixedly connected with, and fixedly connected with between interlock axle and the bracing piece assists the vaulting pole, assist vaulting pole inner wall and interlock axle lateral wall sliding connection.
Preferably, drive assembly includes driven gear, driven gear and filter screen bucket upper portion lateral wall fixed connection, tank body cavity top fixedly connected with driving motor, driving motor output shaft fixedly connected with driving gear, the driving gear is connected with driven gear meshing, tank body cavity top opposite side is rotated and is connected with the cogwheel, the driving gear with be connected with the equal fixedly connected with second blade in cogwheel bottom.
Preferably, scrape the material subassembly and include the connecting rod, connecting rod and filter screen bucket lateral wall fixed connection, connecting rod lateral wall fixed connection scrapes the wall pole, and scrapes the wall pole and laminate mutually with jar internal wall, scrape wall pole bottom fixedly connected with and scrape the water pole, and scrape the water pole and laminate mutually with jar internal chamber bottom, the water catch bowl has been seted up to jar internal chamber bottom, water catch bowl bottom fixedly connected with outlet pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the centrifugal drying device, the driving gear, the driven gear, the filter screen barrel and the second blade are arranged, centrifugal drying of materials is firstly achieved under the action of centrifugal force generated by rotation of the filter screen barrel, and meanwhile, airflow which flows at an accelerated speed is generated at the top of the tank body, so that the drying efficiency of the materials is accelerated; and through the setting of runner and first blade, not only can play the fixed effect of support to the filter screen bucket, can also produce the air current that accelerates the flow in the bottom, so through the relative action of air current from top to bottom, further improved the drying rate of material.
2. According to the invention, through the arrangement of the wall scraping rod, the water collecting tank and the water outlet pipe, the water stain in the tank body can be quickly and effectively discharged by utilizing the driving force generated by the rotation of the filter screen barrel, the cleaning effect on the inner wall of the tank body is improved, the condition that the material is polluted by the water stain secondary can be avoided, and the using effect of the device is improved.
3. The process method disclosed by the invention can greatly reduce energy consumption and pollution, and the steel grit prepared by the process has more stable quality, long service life and better cleaning effect; the method has a win-win effect on manufacturers, users and social benefits.
Drawings
FIG. 1 is a flow chart showing the steps of a method for manufacturing steel grit by using scrap steel wires according to the present invention;
FIG. 2 is a schematic view of the overall structure of a steel grit manufacturing apparatus using waste steel wires according to the present invention;
FIG. 3 is a schematic view of the internal structure of a tank of the steel grit making apparatus using scrap steel wires according to the present invention;
FIG. 4 is an enlarged schematic structural view of an area A in FIG. 3 of an apparatus for manufacturing steel grit using steel scrap wires according to the present invention;
FIG. 5 is a schematic view of a partial half-section structure of an apparatus for manufacturing steel grit using steel scrap wires according to the present invention;
FIG. 6 is a schematic view of a front half-section structure of an apparatus for manufacturing steel grit using steel scrap wires according to the present invention;
FIG. 7 is an enlarged schematic structural view of a region B in FIG. 6 of an apparatus for manufacturing steel grit using scrap steel wire according to the present invention;
fig. 8 is an enlarged structural schematic view of a region C in fig. 6 of an apparatus for manufacturing steel grit using scrap steel wire according to the present invention.
In the figure: 1. a tank body; 2. a feeding pipe; 3. a discharge pipe; 4. a support assembly; 41. a support bar; 42. a linkage shaft; 43. a rotating wheel; 44. a first blade; 45. an auxiliary stay bar; 5. a screen barrel; 6. a drive assembly; 61. a driven gear; 62. a driving gear; 63. a connecting gear; 64. a second blade; 7. a scraping component; 71. a connecting rod; 72. a wall scraping rod; 73. a wiper rod; 8. a water collection tank; 81. and (5) discharging a water 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.
Referring to fig. 1, a method and apparatus for manufacturing steel grit using scrap steel wire, includes:
s1, placing the waste steel wire into a wire cutting machine for cutting, and specifically comprising the following steps:
firstly, selecting a steel scrap material made of high-carbon steel or alloy steel;
putting the selected scrap steel into a filament cutter, cutting the scrap steel into steel wire sections of 0.2-0.4cm, and piling and collecting the steel wire sections.
S2, putting the steel wire section into a quenching furnace for heating and quenching treatment, and specifically comprising the following steps:
putting the cut steel wire section into a quenching furnace, closing a bin door of the quenching furnace, heating the temperature in the quenching furnace to 900-930 ℃, and stopping heating to ensure that the steel wire section is heated for 20 minutes at the temperature;
in the heating process, the steel wire sections are stirred, and the sealing effect in the quenching furnace is ensured, so that the steel wire sections are uniformly heated, and the quality of products is improved;
after the heating time is over, putting the steel wire section into water with the temperature below 25 ℃ for quenching, taking the steel wire section out of the water after the steel wire section is completely cooled, putting the steel wire section into a draining net with the aperture smaller than the outer diameter of the steel wire section, and draining the water attached to the surface for later use;
and in the process of controlling water, the draining net should be shaken at intervals so as to ensure that all steel wire sections in the draining net can be effectively dried.
S3, putting the quenched steel wire section into a roller pair machine for crushing treatment, and specifically comprising the following steps:
firstly, taking a plurality of sections of dried steel wire sections, adjusting a roll pair machine to corresponding production parameters, and carrying out a crushing experiment to ensure that the particle size of the crushed product meets the production requirement;
after the grain size meets the requirement, a large amount of steel wire sections can be put into a roller pair machine, so that the steel wire sections are crushed into sand-shaped particles to form a steel grit primary finished product, and if the steel grit requires the hardness to be more than 55 Rockwell hardness, the steel grit is directly packaged; if the steel grit is not required to have a hardness of 55 Rockwell hardness or 55 or less, tempering is required.
S4, putting the crushed semi-finished product into a tempering furnace for heating and tempering, and specifically comprising the following steps:
pouring the steel grit primary product into a tempering furnace, closing a bin door of the tempering furnace, heating the temperature in the tempering furnace to 520 ℃, and enhancing the strength and reducing the hardness of the steel grit under the action of high temperature to form finished steel grit;
in the tempering process, the primary steel grit product is stirred to be uniformly heated, so that the quality of the product is improved;
when the temperature in the tempering furnace rises, the atom mobility is enhanced, atoms of iron, carbon and other alloy elements in the steel can be diffused relatively quickly, the rearrangement combination of the atoms is realized, so that an unstable unbalanced structure is gradually changed into a stable balanced structure, and when the steel is tempered, a plurality of metal compounds with fine particles can be separated out, so that the strength and the hardness of the steel per se are increased.
S5, screening and classifying the finished steel grit after tempering treatment, and specifically comprises the following steps:
after the finished steel grit formed after tempering is cooled, the obtained finished steel grit is subjected to multilayer screening by using screening nets with different apertures, the screening nets are required to be continuously shaken in the screening process to ensure that the finished steel grit can be smoothly screened, and then the obtained finished steel grit with different apertures is subjected to classified packaging to meet different use requirements.
Referring to fig. 2 to 8, an apparatus for manufacturing steel grit using scrap steel wire, comprising:
the filter screen device comprises a tank body 1, wherein a feeding pipe 2 is fixedly connected to the upper part of the tank body 1, supporting legs are fixedly connected to the bottom of the tank body 1, a discharging pipe 3 is fixedly connected to the bottom of the tank body 1, a supporting component 4 is fixedly connected to the bottom of an inner cavity of the tank body 1, a filter screen barrel 5 is rotatably connected to the side wall of the supporting component 4, the upper end of the filter screen barrel 5 is slidably connected with the feeding pipe 2, and the bottom of the filter screen barrel 5 is slidably connected with the discharging pipe 3;
the driving component 6 is fixedly connected with the side wall of the filter screen barrel 5, and the driving component 6 is used for driving the filter screen barrel 5 to rotate and generating flowing air flow inside the tank body 1;
scrape material subassembly 7, scrape material subassembly 7 and 5 inner wall fixed connection of filter screen bucket, scrape material subassembly 7 and be used for scraping the water stain of jar body 1 inner wall and get.
Referring to fig. 4, the supporting assembly 4 includes a supporting rod 41, the inner wall of the supporting rod 41 is rotatably connected with a linking shaft 42, the side wall of the linking shaft 42 is fixedly connected with a rotating wheel 43, the side wall of the rotating wheel 43 is attached to the side wall of the filter screen barrel 5, the end of the linking shaft 42 is fixedly connected with a first blade 44, an auxiliary supporting rod 45 is fixedly connected between the linking shaft 42 and the supporting rod 41, and the inner wall of the auxiliary supporting rod 45 is slidably connected with the side wall of the linking shaft 42;
referring to fig. 5, the driving assembly 6 includes a driven gear 61, the driven gear 61 is fixedly connected with the upper side wall of the filter screen barrel 5, a driving motor is fixedly connected with the top of the inner cavity of the tank body 1, an output shaft end of the driving motor is fixedly connected with a driving gear 62, the driving gear 62 is meshed with the driven gear 61, the other side of the top of the inner cavity of the tank body 1 is rotatably connected with a connecting gear 63, and the bottom of the driving gear 62 and the bottom of the connecting gear 63 are fixedly connected with a second blade 64.
Through the arrangement of the structure, when the driving motor drives the driving gear 62 to rotate, due to the meshing connection relationship between the driving gear 62 and the driven gear 61, the filter screen barrel 5 can be driven to rotate at the same time, so that materials in the filter screen barrel 5 are driven to rotate, in the process of secondary rotation, water stains attached to the materials can move to the outer side of the filter screen barrel 5 under the action of centrifugal force, so that the materials can be dried, and the materials can also relatively move in the rotating process, so that the materials at different positions in the filter screen barrel 5 can be effectively dried, the materials can quickly enter the next process, and the working efficiency of subsequent steel sand production is improved; in addition, the filter screen barrel 5 also drives the associated gear 63 to rotate in the rotating process, so that the driving gear 62 and a second blade 64 arranged at the bottom of the associated gear 63 rotate simultaneously, airflow which flows at an accelerated speed is generated in the tank body 1, and the airflow can perform an air drying effect on the materials, so that the drying efficiency of the materials is further accelerated;
and at filter screen bucket 5 pivoted in-process, still will drive runner 43 and rotate, runner 43 this moment not only can play the fixed effect of support to filter screen bucket 5, and after runner 43 rotates, still will drive interlock axle 42 and rotate, thereby make the first blade 44 that its tip set up also rotate simultaneously, thereby also produce the air current that flows with higher speed in jar body 1 bottom, through the relative action of air current from top to bottom, the drying rate of material has further been improved, and under the offset effect of air current from top to bottom, still will make water stain be difficult to adhere to on jar body 1 inner wall, with this effect that can also play clearance jar body 1 inner wall, the practicality of the device has been improved.
Referring to fig. 3 and 7, the scraping component 7 includes a connecting rod 71, the connecting rod 71 is fixedly connected with the side wall of the filter screen barrel 5, the side wall of the connecting rod 71 is fixedly connected with a scraping rod 72, the scraping rod 72 is attached to the inner wall of the tank body 1, the bottom of the scraping rod 72 is fixedly connected with a scraping rod 73, the scraping rod 73 is attached to the bottom of the inner cavity of the tank body 1, the bottom of the inner cavity of the tank body 1 is provided with a water collecting tank 8, and the bottom of the water collecting tank 8 is fixedly connected with a water outlet pipe 81.
Through the setting of above-mentioned structure, at 5 pivoted in-process of filter screen bucket, still will drive and scrape wall pole 72 and scrape water pole 73 and rotate, at first scrape wall pole 72 will be swept jar body 1 inner wall adnexed water stain, and along scraping wall pole 72 landing downwards, then scrape water pole 73 will be inside water stain propelling movement to water catch bowl 8 of falling in jar body 1 bottom, outwards discharge through outlet pipe 81 immediately, thereby can be quick effectual the water stain of the internal portion of discharge jar, the cleaning performance to jar body 1 inner wall has been improved, secondly also can avoid water stain secondary to cause the condition of pollution to the material, the device's result of use has been improved.
Referring to fig. 2-8, in the invention, firstly, materials are poured into a filter screen barrel 5 through a feeding pipe 2, then a driving motor is started to drive a driving gear 62 to rotate, the filter screen barrel 5 is driven to rotate simultaneously due to the meshing connection relationship between the driving gear 62 and a driven gear 61, so that the materials in the filter screen barrel 5 are driven to rotate, in the process of secondary rotation, water stains attached to the materials move to the outer side of the filter screen barrel 5 due to the action of centrifugal force, so that the materials are dried, and in the rotating process, the materials also move relatively, so that the materials in different positions in the filter screen barrel 5 can be effectively dried, the materials can quickly enter the next process, and the working efficiency of subsequent steel sand production is improved; in addition, the filter screen barrel 5 also drives the associated gear 63 to rotate in the rotating process, so that the driving gear 62 and a second blade 64 arranged at the bottom of the associated gear 63 rotate simultaneously, airflow which flows at an accelerated speed is generated in the tank body 1, and the airflow can perform an air drying effect on the materials, so that the drying efficiency of the materials is further accelerated;
in addition, in the rotating process of the filter screen barrel 5, the rotating wheel 43 is driven to rotate, the rotating wheel 43 can support and fix the filter screen barrel 5, and after the rotating wheel 43 rotates, the linkage shaft 42 is driven to rotate, so that the first blade 44 arranged at the end part of the linkage shaft rotates simultaneously, airflow which accelerates flow is generated at the bottom of the tank body 1, and the drying speed of the material is further improved through the relative action of the upper airflow and the lower airflow;
and at 5 pivoted in-processes of filter screen bucket, still will drive and scrape wall pole 72 and scrape water pole 73 and rotate, at first scrape wall pole 72 will be swept away the adnexed water stain of jar body 1 inner wall, and along scraping wall pole 72 landing downwards, then scrape water pole 73 will be inside water stain propelling movement to water catch bowl 8 of falling in jar body 1 bottom, outwards discharge through outlet pipe 81 immediately, thereby can be quick effectual the water stain of the internal portion of discharge jar, the cleaning effect to jar body 1 inner wall has been improved, secondly also can avoid the condition that water stain secondary caused the pollution to the material, the device's result of use has been improved.
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 method for manufacturing steel grit by using waste steel wires is characterized by comprising the following steps:
putting the waste steel wire into a shredder for cutting;
putting the steel wire section into a quenching furnace for heating and quenching treatment;
putting the quenched steel wire section into a double-roller machine for crushing;
putting the crushed semi-finished product into a tempering furnace for heating and tempering;
and screening and classifying the finished steel grit after the tempering treatment.
2. The method for manufacturing steel grit by using waste steel wire as claimed in claim 1, wherein the step of placing the waste steel wire into a wire cutting machine for cutting comprises the following specific steps:
firstly, selecting a steel scrap material made of high-carbon steel or alloy steel;
putting the selected scrap steel into a filament cutter, cutting the scrap steel into steel wire sections of 0.2-0.4cm, and piling and collecting the steel wire sections.
3. The method for manufacturing steel grit by using waste steel wire according to claim 1, wherein the steel wire section is put into a quenching furnace for heating and quenching treatment, and the method specifically comprises the following steps:
putting the cut steel wire section into a quenching furnace, closing a bin door of the quenching furnace, heating the temperature in the quenching furnace to 900-930 ℃, and stopping heating to ensure that the steel wire section is heated for 20 minutes at the temperature;
in the heating process, the steel wire sections are stirred, and the sealing effect in the quenching furnace is ensured, so that the steel wire sections are uniformly heated, and the quality of products is improved;
after the heating time is over, putting the steel wire section into water with the temperature below 25 ℃ for quenching, taking the steel wire section out of the water after the steel wire section is completely cooled, putting the steel wire section into a draining net with the aperture smaller than the outer diameter of the steel wire section, and draining the water attached to the surface for later use;
and in the process of controlling water, the draining net should be shaken at intervals so as to ensure that all steel wire sections in the draining net can be effectively dried.
4. The method for manufacturing steel grit by using waste steel wires according to claim 1, wherein the steel wire segments after quenching treatment are placed into a roller mill for crushing treatment, and the method specifically comprises the following steps:
firstly, taking a plurality of sections of dried steel wire sections, adjusting a roll pair machine to corresponding production parameters, and carrying out a crushing experiment to ensure that the particle size of the crushed product meets the production requirement;
after the grain size meets the requirement, a large amount of steel wire sections can be put into a roller pair machine, so that the steel wire sections are crushed into sand-shaped particles to form a steel grit primary finished product, and if the steel grit requires the hardness to be more than 55 Rockwell hardness, the steel grit is directly packaged; if the steel grit is not required to have a hardness of 55 Rockwell hardness or 55 or less, tempering is required.
5. The method for manufacturing steel grit by using steel scrap wires according to claim 1, wherein the semi-finished product after crushing treatment is placed into a tempering furnace for heating tempering treatment, and the method specifically comprises the following steps:
pouring the steel grit primary product into a tempering furnace, closing a bin door of the tempering furnace, heating the temperature in the tempering furnace to 520 ℃, and enhancing the strength and reducing the hardness of the steel grit under the action of high temperature to form finished steel grit;
and in the tempering process, the primary steel grit product is stirred, so that the primary steel grit product is uniformly heated, and the quality of the product is improved.
6. The method for manufacturing steel grit by using steel scrap wires according to claim 1, wherein the step of screening and classifying the finished steel grit after tempering comprises the following specific steps:
after the finished steel grit formed after tempering is cooled, the obtained finished steel grit is subjected to multilayer screening by using screening nets with different apertures, the screening nets are required to be continuously shaken in the screening process to ensure that the finished steel grit can be smoothly screened, and then the obtained finished steel grit with different apertures is subjected to classified packaging to meet different use requirements.
7. The utility model provides an utilize equipment of steel grit of steel scrap wire preparation which characterized in that includes:
the filter screen tank comprises a tank body (1), wherein a feeding pipe (2) is fixedly connected to the upper part of the tank body (1), supporting legs are fixedly connected to the bottom of the tank body (1), a discharging pipe (3) is fixedly connected to the bottom of the tank body (1), a supporting assembly (4) is fixedly connected to the bottom of an inner cavity of the tank body (1), a filter screen barrel (5) is rotatably connected to the side wall of the supporting assembly (4), the upper end of the filter screen barrel (5) is slidably connected with the feeding pipe (2), and the bottom of the filter screen barrel (5) is slidably connected with the discharging pipe (3);
the driving component (6) is fixedly connected with the side wall of the filter screen barrel (5), and the driving component (6) is used for driving the filter screen barrel (5) to rotate and generating flowing air flow inside the tank body (1);
scrape material subassembly (7), scrape material subassembly (7) and filter screen bucket (5) inner wall fixed connection, scrape material subassembly (7) and be used for scraping the water stain of jar body (1) inner wall and get.
8. The apparatus for manufacturing steel grit by using waste steel wires as claimed in claim 7, wherein the supporting assembly (4) comprises a supporting rod (41), the inner wall of the supporting rod (41) is rotatably connected with a linkage shaft (42), the side wall of the linkage shaft (42) is fixedly connected with a rotating wheel (43), the side wall of the rotating wheel (43) is attached to the side wall of the screen barrel (5), the end part of the linkage shaft (42) is fixedly connected with a first blade (44), an auxiliary supporting rod (45) is fixedly connected between the linkage shaft (42) and the supporting rod (41), and the inner wall of the auxiliary supporting rod (45) is slidably connected with the side wall of the linkage shaft (42).
9. The apparatus for manufacturing steel grit by using steel scrap wires according to claim 8, wherein the driving assembly (6) comprises a driven gear (61), the driven gear (61) is fixedly connected with the upper side wall of the filter screen barrel (5), a driving motor is fixedly connected to the top of the inner cavity of the tank body (1), a driving gear (62) is fixedly connected to the output shaft of the driving motor, the driving gear (62) is engaged with the driven gear (61), a connecting gear (63) is rotatably connected to the other side of the top of the inner cavity of the tank body (1), and second blades (64) are fixedly connected to the bottoms of the driving gear (62) and the connecting gear (63).
10. The steel grit manufacturing equipment using waste steel wires as claimed in claim 9, wherein the scraping component (7) comprises a connecting rod (71), the connecting rod (71) is fixedly connected with the side wall of the filter screen barrel (5), the side wall of the connecting rod (71) is fixedly connected with a wall scraping rod (72), the wall scraping rod (72) is attached to the inner wall of the tank body (1), the bottom of the wall scraping rod (72) is fixedly connected with a water scraping rod (73), the water scraping rod (73) is attached to the bottom of the inner cavity of the tank body (1), the bottom of the inner cavity of the tank body (1) is provided with a water collecting tank (8), and the bottom of the water collecting tank (8) is fixedly connected with a water outlet pipe (81).
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| CN202111660907.7A CN114310687A (en) | 2021-12-31 | 2021-12-31 | Method and equipment for manufacturing steel grit by using waste steel wire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111660907.7A CN114310687A (en) | 2021-12-31 | 2021-12-31 | Method and equipment for manufacturing steel grit by using waste steel wire |
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Application publication date: 20220412 |