CN211538006U - Rod mill and roller compacted sand preparation system - Google Patents
Rod mill and roller compacted sand preparation system Download PDFInfo
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- CN211538006U CN211538006U CN201922361536.7U CN201922361536U CN211538006U CN 211538006 U CN211538006 U CN 211538006U CN 201922361536 U CN201922361536 U CN 201922361536U CN 211538006 U CN211538006 U CN 211538006U
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Abstract
The utility model belongs to the technical field of the construction preparation sand that rolls, concretely relates to stick mill and sand preparation system rolls. The utility model discloses a modified rod mill reaches and washes the sand preparation system that rolls that screening unit, first semi-manufactured goods warehouse, second semi-manufactured goods warehouse, finished product configuration unit and finished product warehouse are constituteed by the raw materials, through washing and screening, rod mill work, finished product configuration and finished product transport four steps of natural sand material, accomplished the preparation of the sand that rolls that meets the requirements. The utility model discloses simplified process flow, practiced thrift mountain flour manufacturing cost, avoided natural sand grain gradation adjustment in-process waste water's production and the raise dust scheduling problem in the mountain flour course of working.
Description
Technical Field
The utility model belongs to the technical field of the construction preparation sand that rolls, concretely relates to stick mill and sand preparation system rolls.
Background
The natural sand grain composition generally shows that the grain content of the grains with the grain diameter of more than 3.0mm is larger, and the requirement of fineness modulus of the sand for concrete can not be met. In engineering, after natural sand is washed with water to remove mud, a rod mill is used for wet sand making, and the particle size of feed particles is 3.0-20.0 mm.
After being treated by the rod mill, stone powder generated in the sand making process is removed by a subsequent washing unit, and roller compacted concrete such as stone powder or fly ash is added into the treated sand. The stone powder required in the concrete preparation process is mainly prepared by a powder making machine, and blasting materials in the surrounding rock excavation process are usually selected and dried to prepare powder.
The problems of difficult stone powder recovery, generation of mass production sewage and the like exist in the sand making process of the wet rod mill; the preparation process of the stone powder has the defects of serious dust emission, large energy consumption and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stick mill and roll sand preparation system, one of purpose lies in providing a stick mill and roll sand preparation system that the energy consumption is low, low in production cost, can improve production efficiency and environmental protection.
In order to achieve the above object, the utility model adopts the following technical scheme:
a rod mill at least comprises two pairs of fixed brackets, two pairs of cylinder rotating devices and a rolling cylinder; the grinding cylinder is connected to the two auxiliary cylinder rotating devices, a cylinder wear-resistant lining is arranged in the grinding cylinder, and the grinding cylinder further comprises a first spiral feeder and a second spiral feeder which are used for feeding; the first spiral feeder and the second spiral feeder are connected to two sides of the rolling cylinder respectively, and a discharge port of the rod mill is formed in the bottom of the rolling cylinder.
The first screw feeder and the second screw feeder are completely the same in structure; the first screw feeder comprises a feeder cylinder, an inlet funnel, a screw propelling rod and a screw feeder driving motor; the spiral feeder driving motor is connected to one side of the feeder cylinder, the output end of the spiral feeder driving motor is connected with a spiral propelling rod through a transmission shaft, and the spiral propelling rod is arranged on the central axis in the feeder cylinder; the inlet funnel is connected to the upper part of the feeder cylinder, and the other side of the screw feeder cylinder is connected with the input end of the rolling cylinder.
The discharge port of the rod mill is arranged in the middle of the bottom.
A roller compacted sand preparation system at least comprises a rod mill and further comprises
The raw material washing and screening unit is connected with two inlets of the rod mill through a conveyor belt;
the first semi-finished product storage bin is connected with the raw material washing and screening unit through a conveyor belt;
a second semi-finished product storage bin which is connected with the discharge port of the rod mill at the lower part of the rod mill through a conveyor belt
The inlet of the finished product configuration unit is respectively connected with the outlets of the first semi-finished product warehouse and the second semi-finished product warehouse through the conveyor belt;
and the finished product storage bin is connected with the finished product configuration unit through a conveying belt.
The raw material washing and screening unit comprises an incoming material conveying belt, a sand washer, a primary vibrating screen and a secondary vibrating screen; the sand washer is connected with the first-stage vibrating screen through an incoming material conveying belt; the first-stage vibrating screen is connected with the second-stage vibrating screen and the first semi-finished product storage bin through incoming material conveying belts respectively; and the secondary vibrating screen is connected with the first semi-finished product storage bin and the rod mill through incoming material conveying belts respectively.
The finished product configuration unit comprises a stirring tank and an incoming material conveying belt; the inlet of the stirring tank is respectively connected with the outlets of the first semi-finished product storage bin and the second semi-finished product storage bin through the incoming material conveying belt, and the outlet of the stirring tank is connected with the finished product storage bin through the incoming material conveying belt.
Has the advantages that:
(1) the utility model discloses with mountain flour production and concrete with sand grain gradation adjustment process integration together, reduced concrete manufacturing cost, simplified work flow, improved the environmental friendliness of production activity.
(2) The utility model removes the devices of stone powder removal by washing, stone powder recovery, vibrating screen separation and sewage treatment at the rear end of the rod mill in the conventional process, simplifies the process flow and avoids the production of sewage in the process section;
(3) the utility model removes the soil in the sand material from the natural sand material through the washing and screening unit, then the particles with particle size less than 5.0mm are conveyed to the semi-finished product storage unit through the conveyor belt, and part of the particles with particle size of 3.0-5.0mm are conveyed to the processing unit through the conveyor belt, and the synchronous adjustment of sand grain grading and stone powder production is realized in the processing unit;
(4) the utility model changes the feeding mode into spiral feeding, and no water is added in the feeding process, thereby avoiding the production sewage of the unit and removing the subsequent sewage treatment unit; the content of the stone powder discharged by the rod mill is stabilized at 25-28%, the water content is 5-9%, the dust is not generated at the discharge port of the rod mill, the fine particles are not agglomerated, the discharge is smooth, and the dust emission phenomenon is avoided.
The above description is only an overview of the technical solution of the present invention, and in order to clearly understand the technical means of the present invention and to implement the technical solution according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the structure of the preparation system of the present invention;
fig. 2 is a schematic structural diagram of the rod mill of the present invention.
In the figure: 1-raw material washing and screening unit; 2-a first screw feeder; 3-rod mill; 4-discharge hole of rod mill; 5-storing the first semi-finished product in a warehouse; 6-a second screw feeder; 7-a second semi-finished product storage bin; 8-finished product configuration unit; 9-finished product storage; 10-fixing a bracket; 11-a barrel rotating device; 12-rolling the cylinder; 13-wear-resistant lining of the cylinder; 14-a helical push rod; 15-screw feeder drive motor; 16-a feeder cylinder; 17-inlet funnel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
a rod mill according to fig. 1 and 2, comprising at least two pairs of fixed brackets 10, two pairs of cylinder rotating means 11 and a crushing cylinder 12; the two auxiliary cylinder rotating devices 11 are respectively connected to the two auxiliary fixed supports 10, the rolling cylinder 12 is connected to the two auxiliary cylinder rotating devices 11, a cylinder wear-resistant lining 13 is arranged in the rolling cylinder 12, and the rolling cylinder further comprises a first spiral feeder 2 and a second spiral feeder 6 which are used for feeding materials; the first screw feeder 2 and the second screw feeder 6 are respectively connected to two sides of a rolling cylinder body 12, and a discharge port 4 of the rod mill is arranged at the bottom of the rolling cylinder body 12.
In actual use, the feeding of the rod mill 3 is performed by the first screw feeder 2 and the second screw feeder 6 connected to both sides of the crushing cylinder 12. The first screw feeder 2 and the second screw feeder 6 convey materials conveyed by the conveyor belt to the interior of the roller body from two ends of the grinding roller body 12; the rolling barrel 12 is mainly responsible for adjusting the grain composition of the feeding material; the particles after the adjustment are discharged from a discharge port 4 of the rod mill at the bottom of the crushing cylinder 12.
The fixing support 10, the cylinder rotating device 11 and the rolling cylinder 12 of the rod mill 3 are all the prior art. The steel bar is arranged in the rolling cylinder 12, after the materials are conveyed into the rod mill through the first spiral feeder 2 and the second spiral feeder 6, the steel bar is lifted to a certain height in the rotation process of the rolling cylinder 12 and then is thrown off, impact crushing is carried out on material particles, the steel bar and a cylinder wear-resistant lining 13 in the rolling cylinder 12 grind the materials into sand grains or stone powder with finer particles in the rotation process of the cylinder. The sand material entering the rod mill 3 has certain moisture in the washing process, and part of the moisture is lost again in the conveying process of the conveyor belt, so that the surface of the material entering the rod mill is wet. In the processing process, the temperature in the cylinder body cannot rise rapidly under the action of the water, and the stone powder cannot generate dust in the disturbance process, so that the discharge is smooth and environment-friendly.
The rod mill is provided with the first screw feeder 2 and the second screw feeder 6 on two sides of the rolling cylinder 12 respectively, so that feeding is smoother, and the grading adjustment efficiency of added material particles is higher.
Example two:
according to a rod mill shown in fig. 1, the difference from the first embodiment is that: the first screw feeder 2 and the second screw feeder 6 have the same structure; the first screw feeder 2 comprises a feeder cylinder 16, an inlet hopper 17, a screw propelling rod 14 and a screw feeder driving motor 15; the screw feeder driving motor 15 is connected to one side of the feeder cylinder 16, the output end of the screw feeder driving motor 15 is connected with the screw propelling rod 14 through a transmission shaft, and the screw propelling rod 14 is arranged on the central axis in the feeder cylinder 16; the inlet funnel 17 is connected to the upper part of the feeder cylinder 16, and the other side of the cylinder 16 of the screw feeder is connected with the input end of the rolling cylinder 12.
In practical use, the spiral pushing rod 14 is driven by the spiral feeder driving motor 15 to spirally push the material particles entering the feeder cylinder 16 from the inlet hopper 17 into the crushing cylinder 12, so as to further adjust the grading of the material particles.
The feeder adopts a spiral pushing mode, so that the feeding speed is uniform, the feeding process is smooth, and the feeding task can be efficiently finished under the condition that no water flow provides power.
Example three:
according to a rod mill shown in fig. 1, the difference from the first embodiment is that: the discharge port 4 of the rod mill is arranged in the middle of the bottom.
When in actual use, the discharge port 4 of the rod mill is arranged at the middle position of the bottom, so that the material particles in the rod mill 3 can be discharged after sufficient grading, and the discharged material particles can meet the requirements.
Example four:
a roller compacted sand preparation system as shown in FIG. 2 comprises at least a rod mill and a rod mill
The raw material washing and screening unit 1 is connected with two inlets of the rod mill 3 through a conveyor belt;
the first semi-finished product storage bin 5 is connected with the raw material washing and screening unit 1 through a conveyor belt;
a second semi-finished product storage bin 7, wherein the second semi-finished product storage bin 7 is connected with a rod mill discharge port 4 at the lower part of the rod mill 3 through a conveyor belt
A finished product configuration unit 8, wherein the inlet of the finished product configuration unit 8 is respectively connected with the outlets of the first semi-finished product warehouse 5 and the second semi-finished product warehouse 7 through a conveyor belt;
and the finished product storage bin 9 is connected with the finished product configuration unit 8 through a conveyor belt.
In actual use, the rod mill has the main functions of simultaneously realizing the adjustment of the grading of supplied materials and the production of stone powder; the feeding mode of the rod mill 3 is changed into spiral feeding at two ends, no water is added in the feeding process, the production sewage of the unit is avoided, and a subsequent sewage treatment unit is removed; the particle size of the feeding particles of the rod mill 3 in the utility model is changed from 3.0-20.0 mm to 3.0-5.0mm, and the rod mill 3 removes the stone powder recovery unit at the discharge port, and the discharged material is directly conveyed to the second semi-finished product storage bin 7; the utility model discloses the material that lies in second semi-manufactured goods warehouse 7 through the particle size adjustment mixes in finished product configuration unit 8 with the material that lies in first semi-manufactured goods 5 after sorting according to predetermined proportion in the finished product, makes the sand that rolls that satisfies the requirement of rolling concrete stone powder content and sand fineness modulus.
The utility model discloses with mountain flour production and concrete with sand grain gradation adjustment process integration together, reduced concrete manufacturing cost, simplified work flow, improved the environmental friendliness of production activity. The utility model removes the devices of stone powder removal by washing, stone powder recovery, vibrating screen separation and sewage treatment at the rear end of the rod mill in the conventional process, simplifies the process flow and avoids the production of sewage in the process section; the utility model discloses wash screening unit 1 through the raw materials with natural sand and remove the earth in the sand, the granule that the granule particle size is less than 5.0mm is carried to first semi-manufactured goods warehouse 5 through the conveyer belt, and the granule that some granule particle sizes are 3.0 ~ 5.0mm is carried to rod mill 3 through the conveyer belt to realize that the adjustment of sand grain grading and mountain flour production go on in step in rod mill 3; the utility model changes the feeding mode into spiral feeding, and no water is added in the feeding process, thereby avoiding the production sewage of the unit and removing the subsequent sewage treatment unit; the content of the stone powder discharged from the rod mill 3 is stabilized at 25-28%, the water content is 5-9%, the dust is not generated at the discharge port 4 of the rod mill, the fine particles are not agglomerated, the discharge is smooth, and the dust emission phenomenon is avoided.
Example five:
according to a roller compacted sand preparation system shown in fig. 2, the difference from the second embodiment is that: the raw material washing and screening unit 1 comprises a raw material washing and screening unit 1 comprising a feeding conveyer belt, a sand washing machine, a first-stage vibrating screen and a second-stage vibrating screen; the sand washer is connected with the first-stage vibrating screen through an incoming material conveying belt; the first-stage vibrating screen is connected with the second-stage vibrating screen and the first semi-finished product storage bin 5 through incoming material conveying belts respectively; and the secondary vibrating screen is respectively connected with the first semi-finished product storage bin 5 and the rod mill 3 through incoming material conveying belts.
In practical use, the natural sand material is washed by a sand washer in the washing and screening unit 1, the sand material is removed, the sand material enters a first-stage vibrating screen after being subjected to soil removal, the mesh size of the first-stage vibrating screen is 5mm, a part of sand with the particle size smaller than 5mm enters a first semi-finished product storage bin 5, the other part of sand with the particle size smaller than 5mm enters a second-stage vibrating screen with the mesh size of 3mm, and the rest part of particles with the particle size of 3.0 ^ f
5.0mm of grain diameter enters a rod mill 3, and the grain diameter of less than 3mm enters a first semi-finished product storage bin 5.
Through the washing and screening of the raw material washing and screening unit 1, the natural sand material has certain moisture, and a foundation is laid for subsequent material processing and distribution.
Example six:
according to a roller compacted sand preparation system shown in fig. 2, the difference from the second embodiment is that: the finished product configuration unit 8 is a stirring tank and an incoming material conveying belt; the entry of agitator tank is connected with the exit linkage of first semi-manufactured goods warehouse 5 and second semi-manufactured goods warehouse 7 respectively through the conveyer belt that comes, and the export of agitator tank is connected with finished product warehouse 9 through the conveyer belt that comes.
During actual use, the stirring tank uniformly mixes the semi-finished products from the first semi-finished product storage bin 5 and the second semi-finished product storage bin 7, and the homogenized finished products are conveyed to the finished product storage bin 9 through the conveying belt. In specific application, the mixing proportion of the materials in the first semi-finished product storage bin 5 and the second semi-finished product storage bin 7 can be flexibly determined according to the material quantity in the first semi-finished product storage bin 5 and the second semi-finished product storage bin 7, the grain composition of the finished product materials, the stone powder content and other parameters through theoretical calculation in the prior art, and the finished product materials meeting the use requirements are configured.
Example seven:
the method for preparing the roller compacted sand comprises the following steps
The method comprises the following steps: washing and screening of natural sand material
The method comprises the steps of putting natural sand materials into a raw material washing and screening unit 1 for washing the natural sand materials, washing to remove soil in the sand materials, then feeding the washed natural sand materials into a first-stage vibrating screen, enabling the aperture of a screen hole of the first-stage vibrating screen to be 5mm, enabling a part of sand with the particle size smaller than 5mm to enter a first semi-finished product storage bin 5, enabling the other part of sand with the particle size smaller than 5mm to enter a second-stage vibrating screen with the aperture of a screen hole of 3mm, enabling the rest part of sand with the particle size of 3.0-5.0mm to enter a rod mill 3, and enabling the rest part of sand with the aperture smaller than;
step two: rod mill 3 operation
The rod mill 3 processes the particles conveyed in the first step, and the processed particles freely fall to a conveyor belt from a discharge port 4 of the rod mill and are conveyed to a second semi-finished product storage bin 7;
step three: finished product configuration
Mixing and homogenizing the materials in the first semi-finished product storage bin 5 and the second semi-finished product storage bin 7 in a finished product configuration unit 8;
step four: product delivery
And (5) conveying the finished product prepared in the step three to a finished product storage bin 9 to finish the preparation of the rolling sand.
During the practical use, the natural sand material is washed by the screening unit 1 to remove soil in the sand material, and then enters the first-stage vibrating screen, the mesh aperture of the first-stage vibrating screen is 5mm, one part of sand with the particle size smaller than 5mm enters the first semi-finished product storage bin 5, the other part of sand with the particle size smaller than 5mm enters the second-stage vibrating screen with the mesh aperture of 3mm, the particle size of the rest part of sand with the particle size of 3.0-5.0mm enters the rod mill 3, and the mesh aperture smaller than 3mm enters the first semi-finished product storage bin 5. Rotating in a rolling cylinder 12 in a rod mill 3 to lift a steel rod to a certain height and then throwing the steel rod down to generate impact crushing action on material particles and grinding action on the material by the steel rod and a cylinder wear-resistant lining 13 in the rolling cylinder 12 in the rotating process of the rolling cylinder 12, so that the material is ground into sand grains or stone powder with finer particles; less than 3.0mm into the first semi-finished product storage 5. The sand material entering the rod mill 3 has certain moisture in the washing process, and part of the moisture is lost again in the conveying process of the conveyor belt, and finally the surface of the material entering the rod mill 3 is wet. The raw materials enter a rod mill 3 from a first spiral feeder 2 and a second spiral feeder 6, the moisture content of the raw materials is 5% -9%, the addition amount of a steel rod of the rod mill 3 is 25% -35% of the clearance volume of the rod mill 3, the steel rod repeatedly rolls the raw materials in the starting process of the rod mill 3 to change the particle size of the raw materials, and the raw materials freely fall to a conveyor belt from a discharge port 4 of the rod mill after staying in the rod mill 3 and are conveyed to a second semi-finished product storage bin 7; when the feeding amount is controlled to be 25-30 t/h, the content of stone powder discharged by the rod mill 3 is stabilized at 25-28%, the water content is 5-9%, no dust is generated at the discharge port 4 of the rod mill, fine particles are not agglomerated, and the discharging is smooth; the materials in the first semi-finished product storage bin 5 and the second semi-finished product storage bin 7 are as follows 1: 1.0-1.6 are mixed in a finished product configuration unit 8 to prepare mixed sand with 12.5-17.2 percent of stone powder and 2.2-2.9 of fineness modulus, thereby meeting the requirements of roller compacted concrete.
Example eight:
the preparation method of the roller compacted sand is different from the seventh embodiment in that: in the second step, the material fed into the rod mill 3 is controlled within 25-30 t/h.
In practical use, when the feeding rate of the rod mill 3 is controlled to be 25-30 t/h, the retention time of particles in the rolling cylinder 12 is 4-6 min, the content of discharged stone powder is 25-28%, and the fineness modulus of the particles is 1.7-2.2; the modulus of the fineness of the sand grains in the first semi-finished product storage bin 5 is 3.5-3.8; the materials in the first semi-finished product bin 5 and the materials in the second semi-finished product bin 7 are easily mixed to prepare roller compacted sand meeting the requirements of roller compacted concrete materials.
Example nine:
the method for preparing the roller compacted sand is different from the fifth embodiment in that: in the third step, the mixing ratio of the materials in the first semi-finished product storage bin 5 and the second semi-finished product storage bin 7 in the finished product configuration unit 8 is 1: 1 to 1.6.
In practical use, when the feeding rate of the rod mill 3 is controlled to be 25-30 t/h, the content of the discharged stone powder is 25-28%, and the particle fineness modulus is 1.7-2.2; the modulus of the fineness of the sand grains in the first semi-finished product storage bin 5 is 3.5-3.8, and the fineness of the sand grains in the first semi-finished product storage bin 5 and the fineness of the sand grains in the second semi-finished product storage bin 7 are 1.0: 1.0-1.6, the stone powder content of the finished product material is 12.5-17.2%, and the particle fineness modulus is 2.2-2.9, so that the requirement of the sand for roller compacted concrete is met, and no external additive such as stone powder or fly ash is needed when the roller compacted concrete is produced.
Example ten:
the method is characterized in that natural sand materials in a certain stock ground are treated, and after being washed and screened, part of 3.0-5.0mm particles enter a rod mill 3 through a first spiral feeder 2 and a second spiral feeder 6; the average water content of the sand grains at the first screw feeder 2 is determined to be 7.4%; after being processed by the rod mill 3, the discharge port 4 of the rod mill has no raised dust and smooth discharge; the content of the discharged stone powder is 25.4 percent through measurement; semi-finished products in the first semi-finished product storage bin 5 and the second semi-finished product storage bin 7 are stored in a finished product configuration unit 8 according to the weight ratio of 1: 1 to obtain the rolling sand with stone powder content of 12.7 percent and fineness modulus of 2.5.
Example eleven:
the embodiment treats natural sand materials in a certain stock ground, and after washing and screening, part of particles with the particle size of 3.0-5.0mm enter a rod mill 3 through a first screw feeder 2 and a second screw feeder 6; the average water content of the sand grains at the first spiral feeder 2 is determined to be 6.8 percent; after being processed by the rod mill 3, the discharge port 4 of the rod mill has no raised dust and smooth discharge; the content of the discharged stone powder is determined to be 26.1 percent; semi-finished products in the first semi-finished product storage bin 5 and the second semi-finished product storage bin 7 are stored in a finished product configuration unit 8 according to the weight ratio of 1: 1.1 to obtain the milled sand with stone powder content of 12.4 percent and fineness modulus of 2.8.
Example twelve:
the embodiment treats natural sand materials in a sand material field, and after washing and screening, part of particles with the particle size of 3.0-5.0mm enter a rod mill 3 through a first screw feeder 2 and a second screw feeder 6; the average water content of the sand grains at the first screw feeder 2 is determined to be 6.9 percent; after being processed by the rod mill 3, the discharge port 4 of the rod mill has no raised dust and smooth discharge; the content of the discharged stone powder is 25.5 percent through measurement; semi-finished products in the first semi-finished product storage bin 5 and the second semi-finished product storage bin 7 are stored in a finished product configuration unit 8 according to the weight ratio of 1: 1.2 to obtain the milled sand with stone powder content of 11.6 percent and fineness modulus of 2.6.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In the case of no conflict, a person skilled in the art may combine the related technical features in the above examples according to actual situations to achieve corresponding technical effects, and details of various combining situations are not described herein.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
The foregoing is illustrative of the preferred embodiments of the present invention, and the present invention is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention.
Claims (6)
1. A rod mill at least comprises two pairs of fixed brackets (10), two pairs of cylinder rotating devices (11) and a rolling cylinder (12); two vice barrel rotating device (11) are connected respectively on two pairs of fixed bolster (10), roll barrel (12) and connect on two vice barrel rotating device (11), it is provided with wear-resisting inside lining of barrel (13), its characterized in that in barrel (12) to roll: the device also comprises a first screw feeder (2) and a second screw feeder (6) for feeding; the first screw feeder (2) and the second screw feeder (6) are respectively connected to two sides of the rolling cylinder body (12), and a rod mill discharge port (4) is arranged at the bottom of the rolling cylinder body (12).
2. A rod mill according to claim 1, wherein: the first screw feeder (2) and the second screw feeder (6) have the same structure; the first screw feeder (2) comprises a feeder cylinder body (16), an inlet hopper (17), a screw propelling rod (14) and a screw feeder driving motor (15); the screw feeder driving motor (15) is connected to one side of the feeder cylinder body (16), the output end of the screw feeder driving motor (15) is connected with the screw propelling rod (14) through a transmission shaft, and the screw propelling rod (14) is arranged on the central axis in the feeder cylinder body (16); the inlet funnel (17) is connected to the upper part of the feeder cylinder body (16), and the other side of the cylinder body (16) of the screw feeder is connected with the input end of the rolling cylinder body (12).
3. A rod mill according to claim 1, wherein: the discharge port (4) of the rod mill is arranged in the middle of the bottom.
4. The utility model provides a roller compaction sand preparation system which characterized in that: comprising at least a rod mill according to any of claims 1 to 3, further comprising
The raw material washing and screening unit (1), the raw material washing and screening unit (1) is connected with two inlets of the rod mill (3) through a conveyor belt;
the first semi-finished product storage bin (5) is connected with the raw material washing and screening unit (1) through a conveyor belt;
a second semi-finished product storage bin (7), wherein the second semi-finished product storage bin (7) is connected with a rod mill discharge port (4) at the lower part of the rod mill (3) through a conveyor belt
The inlet of the finished product configuration unit (8) is respectively connected with the outlets of the first semi-finished product warehouse (5) and the second semi-finished product warehouse (7) through a conveyor belt;
and the finished product storage bin (9) is connected with the finished product configuration unit (8) through a conveyor belt.
5. A roller compacted sand preparation system as claimed in claim 4, wherein: the raw material washing and screening unit (1) comprises an incoming material conveying belt, a sand washer, a primary vibrating screen and a secondary vibrating screen; the sand washer is connected with the first-stage vibrating screen through an incoming material conveying belt; the first-stage vibrating screen is connected with the second-stage vibrating screen and the first semi-finished product storage bin (5) through incoming material conveying belts respectively; and the secondary vibrating screen is respectively connected with the first semi-finished product storage bin (5) and the rod mill (3) through incoming material conveying belts.
6. A roller compacted sand preparation system as claimed in claim 4, wherein: the finished product configuration unit (8) is a stirring tank and an incoming material conveying belt; the inlet of the stirring tank is respectively connected with the outlets of the first semi-finished product storage bin (5) and the second semi-finished product storage bin (7) through incoming material conveying belts, and the outlet of the stirring tank is connected with the finished product storage bin (9) through the incoming material conveying belts.
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| CN201922361536.7U CN211538006U (en) | 2019-12-25 | 2019-12-25 | Rod mill and roller compacted sand preparation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068851A (en) * | 2019-12-25 | 2020-04-28 | 陕西省引汉济渭工程建设有限公司 | Rod mill, roller compacted sand preparation system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068851A (en) * | 2019-12-25 | 2020-04-28 | 陕西省引汉济渭工程建设有限公司 | Rod mill, roller compacted sand preparation system and method |
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