CN112756091A

CN112756091A - Host base discharging internal and external compound grading flour mill

Info

Publication number: CN112756091A
Application number: CN202011606887.0A
Authority: CN
Inventors: 肖文龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-07

Abstract

The invention discloses a host base discharging internal and external compound grading sand pulverizer, which comprises a sorting system: the internal circulation grading unit comprises a No. 1 grader, the No. 1 grader is arranged on a cover cylinder of the grinding main machine, and a qualified product outlet of the No. 1 grader is communicated with a No. 1 cyclone collector; the external circulation grading unit comprises a 2# grader, a top feed inlet of the 2# grader is communicated with a base discharge port of the grinding main machine through a conveyor I, a qualified product outlet of the 2# grader is communicated with a 2# cyclone collector, and an unqualified product outlet of the 2# grader is communicated with a cover barrel feed back port of the grinding main machine; the outer circulation sand grain collection unit comprises a screening machine and a conveyor II, a feed inlet of the conveyor II is communicated with an unqualified product outlet at the bottom of the 2# classifier and a feed inlet of the discharge port communicated with the screening machine, an oversize material discharge port is communicated with a cover barrel feed back port of the grinding main machine, and an undersize material discharge port is provided with a sand grain collector. The invention can produce three products of one powder product, two powder products and sand particles.

Description

Host base discharging internal and external compound grading flour mill

Technical Field

The invention relates to grinding equipment, in particular to an internal and external compound grading sander for discharging materials from a main machine base.

Background

The utility model provides a system sand cornmill among the prior art, utility model patent for CN203816760U proposes a "thunder covers sand powder multifunctional machine" like the grant bulletin, its technical scheme includes thunder covers mill and analysis machine, set up the support in the central pivot of thunder covers mill or on the plum blossom frame of the central pivot of thunder covers mill, set up blade centrifugal sand separation device at the support upper end, establish the sand grain collector in the below of blade centrifugal sand separation device, establish the setting gauge on the sand grain collector, the setting gauge on the setting gauge is collected the ring dish at the sand grain, the circular slot of drum and the intersection of thunder covers mill inner wall is received the material and is distinguished the interior rotation direction of rotation of central pivot of thunder covers mill, establish the blown down tank of downward sloping on the mill wall of thunder covers mill, establish the air intake on the cell wall outside of blown down tank, pipeline ventilation machine is established to the air intake.

The utility model discloses a patent is through the analysis machine collect the powder, collect the sand powder integration equipment of sand grain through blade centrifugal sand grain separator and sand grain collector, and its technical degree of difficulty lies in carrying out the technological transformation to the raymond mill, adds blade centrifugal sand grain separator and sand grain collector in the raymond mill promptly, and its technical complexity is self-evident, also makes things convenient for the maintenance operation in the production process.

Summary of the invention

Aiming at the defects of the prior art, the invention aims to provide a main machine base discharging internal and external compound grading sand pulverizer matched with a traditional Raymond mill for use.

Can solve above-mentioned technical problem's the inside and outside compound hierarchical powder sand machine of host computer base ejection of compact, its technical scheme includes crocus host computer and sorting system, the institute difference be sorting system includes inner loop grading unit, extrinsic cycle grading unit and extrinsic cycle sand grain collection unit, wherein:

1. the inner circulation grading unit comprises a 1# grader, the 1# grader is arranged on a cover cylinder of the grinding main machine, and a qualified product outlet of the 1# grader is communicated with a 1# cyclone collector through a 1# grading powder outlet pipe.

2. The extrinsic cycle grading unit includes the 2# grader, the top feed inlet of the 2# grader is equipped with the tripper, the tripper passes through the base discharge gate of I intercommunication crocus host computer of conveyer, and the qualified product export on 2# grader upper portion goes out powder pipe intercommunication 2# cyclone collector through 2# in grades, and the unqualified product export of 2# grader bottom is through the cover section of thick bamboo feed back mouth of glassware intercommunication crocus host computer down.

3. The extrinsic cycle sand grain collecting unit includes sieve separator and conveyer II, the unqualified product export of conveyer II's feed inlet through II intercommunications 2# grader bottoms of glassware down, and the discharge gate of conveyer II communicates the feed inlet of sieve separator, the oversize material discharge gate intercommunication unloading pipe of sieve separator communicates the cover section of thick bamboo feed back mouth of crocus host computer, is equipped with the sand grain collector corresponding to the undersize material discharge gate of sieve separator.

According to the conventionality, 1# cyclone collector, 2# cyclone collector all connect the air intake of air-blower through the muffler, the air exit of air-blower passes through host computer air-supply line, 2# air-supply line and pulse tube and connects the base air intake of crocus host computer, return-air box and the pulse dust collector of 2# grader lower part respectively.

Conventionally, the conveyor I and the conveyor II both adopt elevators.

The invention has the beneficial effects that:

the internal and external compound grading sand pulverizer for discharging materials from the main machine base simultaneously collects the same qualified powder ground by the main grinding machine by adopting the internal circulation grading unit and the external circulation grading unit, or respectively collects different qualified powders ground by the main grinding machine by adopting the internal circulation grading unit and the external circulation grading unit, or simultaneously collects the same or different qualified powders ground by the main grinding machine by adopting the internal circulation grading unit and the external circulation grading unit, screens and collects sand grains outside the main grinding machine by utilizing the external circulation sand grain collecting unit, realizes diversified production of products under the condition of multiple pipes, and has high cost performance of the machine.

Drawings

FIG. 1 is an isometric view of one embodiment of the present invention.

Fig. 2 is a front view of the embodiment of fig. 1.

Fig. 3 is a top view of the embodiment of fig. 2.

Fig. 4 is a side view of the embodiment of fig. 2.

And (3) identifying the figure number: 1. a main grinding machine; 2. a No. 1 grader; 3. 1# grading powder outlet pipe; 4. 1# cyclone collector; 5. a 2# classifier; 6. a distributor; 7. a conveyor I; 8. 2# grading powder outlet pipe; 9. a conveyor II; 10. a screening machine; 11. 2# cyclone collector; 12. a blower; 13. a host air inlet pipe; 14. a No. 2 air inlet pipe; 15. a feeder I; 16. an air return pipe; 17. a return air tank; 18. a foundation; 19. and a blanking device II.

Detailed Description

The technical solution of the present invention will be further explained with reference to the embodiments shown in the drawings.

The invention relates to a host base discharging internal and external compound grading sand pulverizer which comprises a main pulverizer 1, a 1# grader 2, a 2# grader 5, a 1# cyclone collector 4, a 2# cyclone collector 11, a pulse dust collector, a conveyor I7, a conveyor II 9 (a lifter), a screening machine 10 and an air blower 12, wherein the main pulverizer 1, the erected 2# grader 5 and the air blower 12 are arranged on a foundation 18 according to the front, middle and rear positions, a feed inlet and a feed back port are formed in a cover cylinder of the main pulverizer 1, the side part of the base of the main pulverizer 1 is provided with an air inlet (or is provided with a wind return cover on the air inlet), the bottom of the base of the main pulverizer 1 is provided with a discharge outlet, the front and rear parts of the 1# cyclone collector 4 and the 2# cyclone collector 11 are erected on the left sides of the main pulverizer 1 and the 2# grader 5, the front and rear parts of the conveyor I7 and the conveyor II 9 are arranged on the right sides, the erected pulse dust collector is erected beside an air blower 12, and the erected screening machine 10 is arranged on the right sides of the conveyor I7 and the conveyor II 9, as shown in figures 1, 2, 3 and 4.

The powder grinding machine comprises a grinding main machine 1, a No. 1 classifier 2, a No. 1 cyclone collector 4, a distributor 6, a No. 2 classifier 5, a No. 2 classifying powder outlet 8, a No. 2 cyclone collector 11, a No. 1 cyclone collector 4, a No. 2 cyclone collector 11, a return air pipe 16, an air outlet of the blower 12, a return air box 17, a No. 2 classifier 5, a No. 2 air inlet pipe 14, a unqualified powder outlet at the bottom of the No. 2 classifier 5, a blanking device I15, a cover cylinder return opening of the grinding main machine 1, an air outlet of the blower 12, an air outlet of the main machine 12, a base air inlet or a return air cover of the grinding main machine 1, an air inlet pipe 13 of the main machine, a distributor 6, a qualified powder outlet of the No. 1 classifier 2, a No. 2 classifying powder outlet of the No. 2 classifier 5, a No. 2 classifying powder outlet of the No, the host machine air inlet pipe 13 is provided with a pulse pipe communicated with a pulse dust collector, as shown in fig. 1, fig. 2, fig. 3 and fig. 4.

The feed inlet of I7 bottom of conveyer is through the base discharge gate of the unloading union coupling crocus host computer 1 that corresponds, and the discharge gate at I7 top of conveyer passes through unloading pipe intercommunication tripper 6, the unqualified powder discharge gate of 2# grader 5 bottom is connected through unloading II 19 to the feed inlet of II 9 bottoms of conveyer, and the discharge gate at II 9 top of conveyer passes through the feed inlet of unloading pipe intercommunication sieve separator 10, as shown in fig. 1, fig. 2, fig. 3, fig. 4.

The operation process of the invention is as follows:

1. the raw materials are crushed to the required granularity to form materials, the materials are conveyed to a storage hopper by a feeding elevator, and then the materials are uniformly and continuously conveyed into the main grinding machine 1 through a feeding hole of the cover cylinder by a vibrating feeder.

2. In the grinding chamber of the main grinding machine 1, the grinding roller swings outwards and is pressed on the grinding ring under the action of the rotating centrifugal force, the scraper knife scrapes materials and sends the materials to the position between the grinding roller and the grinding ring, and the grinding roller rolls on the grinding ring to grind the materials.

3. The fine powder generated in the grinding process of the materials is brought into the No. 1 classifier 2 along with the ascending air current (generated by the operation of the blower 12) for sorting, the materials with excessive fineness fall back for regrinding, and the qualified fine powder enters the No. 1 cyclone collector 4 along with the air current through the No. 1 classifying powder outlet pipe 3 and is discharged and collected at a discharge port.

4. Coarse particles generated in the material grinding process are discharged from a base discharge port of the main grinding machine 1 along with the operation of the scraper knife and are conveyed to the conveyor I7 through the corresponding discharging pipe.

5. The conveyor I7 lifts coarse particle materials and then sends the coarse particle materials into the 2# classifier 5 through the distributor 6 for sorting, qualified powder enters the 2# cyclone collector 11 along with the airflow through the 2# classification powder outlet pipe 8 and is discharged and collected at the discharge port, unqualified coarse particle materials are returned into the grinding main machine 1 through the blanking device I15 to be milled together with new materials (the blanking device II 19 is closed), or unqualified coarse particle materials are led into the feed port of the conveyor II 9 through the blanking device II 19 (the blanking device I15 is closed), the conveyor II 9 lifts the coarse particle materials and then sends the coarse particle materials into the screening machine 10 through the blanking device for vibrating screening, qualified sand particles are collected at the screen sand grain discharge port of the screening machine 10, and unqualified sand particles are returned into the grinding main machine 1 through the screen sand grain discharge port of the screening machine 10 to be milled together with the new materials.

In the 3 rd and 5 th operation processes, a part of air flow generated by the air blower 12 is conveyed to the grinding main machine 1 and the 2# grader 5, a part of air flow is treated by the pulse dust collector and then is discharged into the atmosphere, and residual powder (qualified fine powder) collected by the pulse dust collector is discharged and collected at a discharge hole.

1. The invention is adopted to produce a powder product:

the conveyor I7 is opened, the conveyor II 9 is closed, the blanking device I15 is opened, the blanking device II 19 is closed, the grading mesh numbers of the 1# grader 2 and the 2# grader 5 are adjusted to be equal, qualified powder products with the same mesh numbers can be collected by the 1# cyclone collector 4 and the 2# cyclone collector 11, and the yield can be effectively improved by means of double pipes.

2. Two powder products are produced by adopting the invention:

the conveyor I7 is started and the conveyor II 9 is closed, the blanking device I15 is started and the blanking device II 19 is closed, the grading mesh numbers of the 1# grader 2 and the 2# grader 5 are adjusted to be unequal, and qualified powder products with different mesh numbers can be collected by the 1# cyclone collector 4 and the 2# cyclone collector 11; if the 1# classifier 2 is adjusted to collect powder products of 325 mesh or more, the 2# classifier 5 is adjusted to collect powder products of 100 mesh to 325 mesh.

3. The invention is adopted to produce a powder product and a sand body:

meanwhile, the conveyor I7 and the conveyor II 9 are started, the feeder II 19 is started, the feeder I15 is closed, the grading mesh numbers of the 1# grader 2 and the 2# grader 5 are adjusted to be equal, qualified powder products with the same mesh number can be collected by the 1# cyclone collector 4 and the 2# cyclone collector 11, and sand grains meeting the screening requirements are collected by the screening machine.

4. The invention is adopted to produce two kinds of powder products and sand bodies:

meanwhile, the conveyor I7 and the conveyor II 9 are started, the feeder II 19 is started and the feeder I15 is closed, the grading mesh numbers of the 1# grader 2 and the 2# grader 5 are adjusted to be unequal, qualified powder products with different mesh numbers can be collected by the 1# cyclone collector 4 and the 2# cyclone collector 11, and sand grains meeting the screening requirements are collected by the screening machine 10.

Claims

1. Host computer base ejection of compact inside and outside compound hierarchical powder sand machine, including crocus host computer (1) and sorting system, its characterized in that sorting system includes inner loop grading unit, extrinsic cycle grading unit and extrinsic cycle sand grain collection unit, wherein:

the internal circulation grading unit comprises a 1# grader (2), the 1# grader (2) is arranged on a cover cylinder of the main grinding machine (1), and a qualified product outlet of the 1# grader (2) is communicated with a 1# cyclone collector (4) through a 1# grading powder outlet pipe (3);

the external circulation grading unit comprises a 2# grader (5), a distributor (6) is arranged at a feed inlet at the top of the 2# grader (5), the distributor (6) is communicated with a base discharge port of the main grinding machine (1) through a conveyor I (7), a qualified product outlet at the upper part of the 2# grader (5) is communicated with a 2# cyclone collector (11) through a 2# grading powder outlet pipe (8), and an unqualified product outlet at the bottom of the 2# grader (5) is communicated with a cover barrel feed back port of the main grinding machine (1) through a blanking device I (15);

the extrinsic cycle sand grain collection unit includes sieve separator (10) and conveyer II (9), the unqualified product export of feed inlet through glassware II (19) intercommunication 2# grader (5) bottom of conveyer II (9), the feed inlet of discharge gate intercommunication sieve separator (10) of conveyer II (9), the oversize material discharge gate of sieve separator (10) is equipped with the sand grain collector through the cover section of thick bamboo feed back mouth of unloading pipe intercommunication crocus host computer (1) corresponding to the undersize material discharge gate of sieve separator (10).

2. The main frame base discharging inner and outer compound grading pulverizer of claim 1, characterized in that: air inlets of the air blower (12) are connected with the No. 1 cyclone collector (4) and the No. 2 cyclone collector (11) through an air return pipe (16), and an air outlet of the air blower (12) is respectively connected with a base air inlet of the main powder grinding machine (1), an air return box (17) at the lower part of the No. 2 classifier (5) and a pulse dust collector through a main machine air inlet pipe (13), a No. 2 air inlet pipe (14) and a pulse pipe.

3. The main frame base discharging inner and outer compound grading pulverizer of claim 1, characterized in that: and the conveyor I (7) and the conveyor II (9) are both hoists.