CN215611805U - Production facility that mining barren rock preparation aggregate was with having high-efficient dust removal - Google Patents

Production facility that mining barren rock preparation aggregate was with having high-efficient dust removal Download PDF

Info

Publication number
CN215611805U
CN215611805U CN202121174662.2U CN202121174662U CN215611805U CN 215611805 U CN215611805 U CN 215611805U CN 202121174662 U CN202121174662 U CN 202121174662U CN 215611805 U CN215611805 U CN 215611805U
Authority
CN
China
Prior art keywords
belt conveyor
dust removal
ore
bin
aggregate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121174662.2U
Other languages
Chinese (zh)
Inventor
罗能荣
马成文
王有军
王鹃
于金龙
寇志斌
宋星
娄孟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinchuan Group Co Ltd
Jinchuan Nickel Cobalt Research and Design Institute Co Ltd
Original Assignee
Jinchuan Group Co Ltd
Jinchuan Nickel Cobalt Research and Design Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jinchuan Group Co Ltd, Jinchuan Nickel Cobalt Research and Design Institute Co Ltd filed Critical Jinchuan Group Co Ltd
Priority to CN202121174662.2U priority Critical patent/CN215611805U/en
Application granted granted Critical
Publication of CN215611805U publication Critical patent/CN215611805U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Disintegrating Or Milling (AREA)
  • Crushing And Grinding (AREA)

Abstract

The utility model belongs to the technical field of mineral processing, and particularly relates to production equipment with high-efficiency dust removal for preparing aggregates by mining waste rocks. According to the utility model, the dust is efficiently cleaned through double matching of gas and vibration, the adverse phenomenon caused by long-term stockpiling of mining waste rocks on the earth surface is solved, and the waste rocks are effectively and reasonably utilized, so that the waste rocks are recycled, mineral resources are fully utilized, and the resource utilization rate is improved.

Description

Production facility that mining barren rock preparation aggregate was with having high-efficient dust removal
Technical Field
The utility model belongs to the technical field of mineral processing, and particularly relates to production equipment with efficient dust removal for preparing aggregates from mining waste rocks.
Background
The barren rocks are relative to ores which contain more useful minerals and have exploitation and utilization values, and the barren rocks generally contain no useful minerals or few useful minerals, and the barren rocks are mainly generated in the process of tunneling and stripping in ore exploitation.
At present, mining waste rocks have no better utilization way temporarily, most of the mining waste rocks can only be piled in a waste rock field, the open-air mining waste rocks can be directly transported to a designated place by an automobile to be piled, underground mining waste rocks need to be transported to the ground surface by a vertical shaft through a lifting device and then piled, the piled waste rocks not only occupy a large amount of land, but also can scatter around under the action of wind to generate raised dust to cause serious pollution to air, and in rainy areas, geological disasters such as debris flow and the like are easily caused, and in serious cases, the life and property safety of people can be endangered, so the mining waste rocks need to be effectively treated to realize the waste utilization of the mining waste rocks, but a large amount of dust can be generated in the waste rock treatment process, therefore, a dust removal system needs to be adopted to remove the dust, and the traditional dust cleaning adopts a high-pressure air flow back blowing or pulse air blowing mode to clean the dust, this kind of mode can only clean the dust of adhesion on the device surface when carrying out the deashing and handle, can't clean intractable dust or moist dust to lead to the dust cleaning efficiency to reduce, consequently need to design a mining barren rock preparation aggregate and have the production technology of high-efficient dust removal to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide production equipment with high-efficiency dust removal for preparing aggregates from mining waste rocks, and the production equipment is used for solving the problems of low dust cleaning efficiency and environmental influence caused by the mining waste rocks.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a mining barren rock preparation aggregate is with production facility that has high-efficient dust removal, includes hydraulic pressure stone crusher, wheel loader, receives ore bin, jaw breaker and dust pelletizing system, the external connection of jaw breaker to sixth belt conveyor has dust pelletizing system, dust pelletizing system includes the dust removal casing, the left side of dust removal casing is provided with the gas receiver, the right side of gas receiver is provided with the outlet duct, the top of outlet duct is provided with the pulse valve, the inside of dust removal casing is provided with strains a section of thick bamboo, the below of outlet duct is connected with the air duct, the below of air duct is connected with the stand pipe, the external connection of stand pipe has the stay tube, the right side of stand pipe is provided with drive assembly, and drive assembly is in the inside of stay tube.
Preferably, one end of the ore receiving bin is connected with a rod feeder, the other end of the rod feeder is connected with a jaw crusher, the other end of the jaw crusher is connected with a first belt conveyor, a first electromagnetic iron remover is arranged above the first belt conveyor, the other end of the first belt conveyor is connected with a first cone crusher, a second belt conveyor is arranged below the first cone crusher, a third belt conveyor is connected below the second belt conveyor, a second cone crusher is arranged above the second belt conveyor, a fifth belt conveyor is arranged above the second cone crusher, a second electromagnetic iron remover is arranged above the fifth belt conveyor, a buffering ore bin is arranged above the other end of the fifth belt conveyor, and the bottom of the buffering ore bin is provided with an electro-hydraulic flat gate, the inside in buffering ore bin is provided with the bulkhead vibrator, the top in buffering ore bin is connected with fourth belt conveyor, the other end of fourth belt conveyor is connected with the circular vibrating screen, the below of circular vibrating screen is provided with sixth belt conveyor, the other end of sixth belt conveyor is connected with aggregate product storehouse.
Preferably, the ore receiving bin is a reinforced concrete rectangular funnel bin, the top of the bin is provided with a fixed grid sieve, the ore storage time is 1-1.5 hours, the buffer ore bin is a steel structure rectangular conical bottom bin, and the ore storage time is 30-40 min.
Preferably, the jaw crusher is coarse crushing equipment, the maximum feeding granularity is 500mm, the adjusting range of the ore discharge port is 60 mm-170 mm, the first cone crusher is medium crushing equipment, the maximum feeding granularity is 200mm, the adjusting range of the ore discharge port is 16 mm-40 mm, the second cone crusher is fine crushing equipment, the maximum feeding granularity is 80mm, and the adjusting range of the ore discharge port is 13 mm-38 mm.
Preferably, the first belt conveyor and the fifth belt conveyor are both provided with an electronic belt scale and a variable-frequency speed regulating device, and the first electromagnetic iron remover is arranged above the material conveying section of the first belt conveyor.
Preferably, the second electromagnetic iron remover is installed above the material conveying section of the fifth belt conveyor, the circular vibrating screen adopts double-layer screen surfaces, the screen hole size of the upper-layer screen surface is 35mm multiplied by 55mm, the screen hole size of the lower-layer screen surface is 14mm multiplied by 22mm, and the dust removal system comprises a dust remover, an induced draft fan and a dust removal air pipe.
Preferably, the right side of stand pipe is provided with four arc ventilation grooves, and the right side in ventilation groove is provided with the oar, the right-hand member of stay tube is provided with the ventilation net, and the center of ventilation net is provided with ball bearing, and ball bearing's center runs through there is the drive shaft.
Preferably, the driving assembly comprises a wind paddle, a driving shaft is arranged on the right side of the wind paddle, a cam is connected to the outside of the driving shaft, a needle bearing is arranged on the outside of the driving shaft and connected to the inside of the supporting frame, a spring is arranged inside the supporting frame, a telescopic column is arranged above the spring, and a filter cartridge is connected to the upper side of the telescopic column.
Preferably, the springs are provided with four groups and are respectively positioned at four corners of the filter cylinder, the outer parts of the springs are provided with limiting grooves, and the inner diameters of the tops of the limiting grooves are smaller than the diameters of the bottoms of the telescopic columns.
A production process for preparing aggregate from mining waste rock with high-efficiency dust removal comprises the following steps:
s1, a three-section-closed crushing and screening process is adopted for processing the waste rock aggregate, namely, coarse crushing and intermediate crushing are performed in an open circuit mode, fine crushing and pre-inspection screening constitute a closed circuit cycle, the maximum granularity of the waste rock raw ore is 700mm, large waste rocks are crushed by a hydraulic stone crusher, the waste rocks with the granularity smaller than 500mm are fed into a receiving bin provided with a fixed grid screen by a wheel loader, materials in the receiving bin are fed into a jaw crusher through a bar feeder to be coarsely crushed, and coarsely crushed products and fine materials discharged from bar gaps of the bar feeder are fed into a first cone crusher through a first belt conveyor to be intermediately crushed;
s2, conveying the medium crushed products into a circular vibrating screen through a second belt conveyor and a third belt conveyor, carrying out medium crushing, inspecting and screening and pre-screening before fine crushing, wherein the undersize of a lower layer screen of the circular vibrating screen is qualified aggregate (the granularity is smaller than 12 mm), conveying the qualified aggregate to an aggregate product bin through a sixth belt conveyor, collecting the oversize of an upper layer screen and the oversize of a lower layer screen, conveying the oversize of the upper layer screen and the oversize of the lower layer screen into a buffer ore bin through a fourth belt conveyor, then feeding the qualified aggregate into a second cone crusher through an electro-hydraulic flat gate by a fifth belt conveyor for fine crushing, returning the fine crushed products to the circular vibrating screen, inspecting and screening to form closed cycle, wherein a first electromagnetic iron remover is used for removing iron pieces in the material of the first belt conveyor, and a second electromagnetic iron remover is used for removing iron pieces in the material of the fifth belt conveyor;
s3, dust air enters from the top of a filter cylinder, is filtered through the filter cylinder, clean air is discharged from the lower left corner of the dust removal shell, dust falls into the dust hopper below the filter cylinder, a pulse valve is opened, air is ventilated through an air outlet pipe, meanwhile, air is blown out through an air guide pipe and a guide pipe, a wind propeller is driven to rotate, then a cam is driven to rotate through a driving shaft, vibration striking of the filter cylinder by the cam is achieved, and efficient cleaning of the dust is accelerated.
Compared with the prior art, the utility model has the beneficial effects that: the high-efficient clearance to the dust is realized through the dual cooperation of gas and vibration, has solved the unfavorable phenomenon that mining barren rock brought in the earth's surface stockpiling for a long time, has carried out effective rational utilization to barren rock to realized the resourceization of barren rock, made mineral resources obtain make full use of, improved resource utilization.
According to the utility model, the filter cartridge dust remover is improved in the process of preparing the filling aggregate from the mining waste rock, the traditional dust cleaning mode of air flow blowing is improved, when the high-pressure air is blown, the rotation of the driving shaft can be realized by driving the rotation of the wind paddle, the cam can be driven, the vibration striking on the filter cartridge is realized by the rotation of the cam, the refractory dust and the damp dust adhered in the filter cartridge can be loosened, the dust can be efficiently cleaned by matching with the blowing of the air flow, and the refractory dust is prevented from being accumulated.
The process for preparing the waste rock can use the waste rock, the natural river sand, the mineral processing tailing sand and the rod mill sand with qualified granularity as the mine filling aggregate, the filling is a process of mixing and stirring various aggregates, gelling agents and other materials according to a certain proportion to prepare filling slurry and automatically flowing or pumping the filling slurry to a filling stope through a pipeline to form a stable filling body, the waste rock resources have certain advantages in the aspects of raw material cost, conveying distance and filling body stability, the waste rock is stacked near the stope and can be locally obtained during filling, the raw material cost and the conveying cost can be greatly saved, meanwhile, the waste rock is used as one of the aggregates to be added into the filling slurry, the strength and the stability of the filling body can be obviously improved, the consumption of the gelling material (composite cement) can be reduced, and the filling operation cost is further reduced, therefore, the waste rock resources are popularized as the filling aggregates, and the reliability of the filling technology can be improved, The cost is saved, and the mining safety is significant.
The process for preparing the waste stone adopts a three-section-closed crushing and screening process, namely a coarse crushing process, a middle crushing process, a open circuit process, a fine crushing process, a pre-inspection and screening process to form closed circulation, so that the mutual matching of three sections of crushing and screening processes can be realized in the preparation process of mining waste rocks, the screening effect forms closed cycle, the unqualified products are circularly crushed and sieved, so that the waste rock sieving efficiency is improved, the size of the waste rock aggregate is ensured, can pre-screen the medium crushed products before fine crushing, can also check and screen the fine crushed products, on the premise of ensuring that the granularity of the waste rock aggregate is qualified, the production capacity of fine crushing equipment is fully exerted, so that mining waste rock can be crushed and treated by the aid of the closed-loop circulation, the granularity qualification degree of the waste rock aggregate is ensured, and the crushing efficiency of the waste rock is improved.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the production process of the present invention;
FIG. 2 is a block diagram of a production process of the present invention;
FIG. 3 is a schematic cross-sectional front view of a filter cartridge collector of the present invention;
FIG. 4 is a front sectional view of a portion of the driving assembly of the present invention;
FIG. 5 is a front view of the cam of the present invention;
fig. 6 is an enlarged view of a structure shown in fig. 5 according to the present invention.
In the figure: 1. a hydraulic stone crusher; 2. a wheel loader; 3. an ore receiving bin; 4. a rod feeder; 5. a jaw crusher; 6. a first belt conveyor; 7. a first electromagnetic iron remover; 8. a first cone crusher; 9. a second belt conveyor; 10. a third belt conveyor; 11. a circular vibrating screen; 12. a fourth belt conveyor; 13. buffering the ore bin; 14. a bin wall vibrator; 15. an electro-hydraulic plate gate; 16. a fifth belt conveyor; 17. a second electromagnetic iron remover; 18. a second cone crusher; 19. a sixth belt conveyor; 20. an aggregate product bin; 21. a dust removal system; 211. a dust removal housing; 212. an air cylinder; 213. a pulse valve; 214. an air outlet pipe; 215. an air duct; 216. a guide tube; 217. a drive assembly; 2171. a wind paddle; 2172. a drive shaft; 2173. a cam; 2174. a needle bearing; 2175. a support frame; 2176. a spring; 2177. a telescopic column; 218. supporting a tube; 219. a filter cartridge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, several embodiments of the present invention are provided:
the utility model provides a production facility that mining barren rock preparation aggregate was with having high-efficient dust removal, including hydraulic pressure stone crusher 1, wheel loader 2, receive ore bin 3, jaw breaker 5 and dust pelletizing system 21, jaw breaker 5 to sixth belt conveyor 19's external connection has dust pelletizing system 21, dust pelletizing system 21 includes dust removal casing 211, dust removal casing 211's left side is provided with air receiver 212, the right side of air receiver 212 is provided with outlet duct 214, the top of outlet duct 214 is provided with pulse valve 213, dust removal casing 211's inside is provided with a section of thick bamboo 219, the below of outlet duct 214 is connected with air duct 215, the below of air duct 215 is connected with stand pipe 216, the external connection of stand pipe 216 has a stay tube 218, the right side of stand pipe 216 is provided with drive assembly 217, and drive assembly 217 is in the inside of stay tube 218.
One end of the ore receiving bin 3 is connected with a bar feeder 4, the bar feeder 4 is provided with a bar screening surface with an adjustable gap at the bottom of the slot close to the ore discharging end, the function of pre-screening can be achieved, fine-grained materials are separated into a medium crushing device in advance, the productivity of the coarse crushing device is improved, the other end of the bar feeder 4 is connected with a jaw crusher 5, the other end of the jaw crusher 5 is connected with a first belt conveyor 6, a first electromagnetic iron remover 7 is arranged above the first belt conveyor 6, the other end of the first belt conveyor 6 is connected with a first cone crusher 8, a second belt conveyor 9 is arranged below the first cone crusher 8, a third belt conveyor 10 is connected below the second belt conveyor 9, a second cone crusher 18 is arranged above the second belt conveyor 9, a fifth belt conveyor 16 is arranged above the second cone crusher 18, a second electromagnetic iron remover 17 is provided above the fifth belt conveyor 16.
A buffering ore bin 13 is arranged above the other end of the fifth belt conveyor 16, a bin wall vibrator 14 is arranged on the bin wall of the buffering ore bin 13, can prevent the materials from being pressed or arched, promote the flow of the materials in the bin, improve the reliability of ore discharge, and the ore discharge port of the buffer ore bin 13 is provided with an electro-hydraulic flat gate 15, the material flow can be flexibly controlled by adjusting the opening of the ore discharge port, the material is normally opened during normal production, and when equipment is overhauled, can be closed at any time, the bottom of the buffering ore bin 13 is provided with an electro-hydraulic flat gate 15, the interior of the buffering ore bin 13 is provided with a bin wall vibrator 14, and the bin wall vibrator 14 is arranged at the conical section part of the buffering ore bin 13, a fourth belt conveyor 12 is connected above the buffering ore bin 13, the other end of the fourth belt conveyor 12 is connected with a circular vibrating screen 11, a sixth belt conveyor 19 is arranged below the circular vibrating screen 11, and the other end of the sixth belt conveyor 19 is connected with an aggregate product bin 20.
The ore receiving bin 3 is a reinforced concrete rectangular funnel bin, a fixed grid sieve is arranged at the top of the bin, the ore storage time is 1-1.5 hours, the buffering ore bin 13 is a steel structure rectangular cone bottom bin, the ore storage time is 30-40 min, the ore receiving bin 3 and the buffering ore bin 13 are both provided with radar level gauges, the material level of the ore bin is monitored in real time, the high-low level alarm of the material level and the interlocking of feeding equipment are realized, and the safe operation of the system is guaranteed.
Jaw breaker 5 is coarse crushing equipment, the biggest feed granularity is 500mm, ore discharge mouth control range is 60mm ~ 170mm, first cone crusher 8 is well garrulous equipment, the biggest feed granularity is 200mm, ore discharge mouth control range is 16mm ~ 40mm, second cone crusher 18 is the equipment in small, the biggest feed granularity is 80mm, ore discharge mouth control range is 13mm ~ 38mm, in well garrulous, set up the electromagnetism de-ironing separator in small, give the ore skin area in small, can effectively get rid of the iron part in the barren rock, avoid cone crusher to cross iron and cause the damage to equipment and influence production, make cone crusher operation more stable, thereby improve cone crusher operating rate, reduce cone crusher operating cost.
First belt conveyor 6 and fifth belt conveyor 16 all are equipped with electronic belt scale and variable frequency speed control device, and first electromagnetic de-ironing separator 7 is installed in 6 material conveying sections top of first belt conveyor, and first belt conveyor 6 and fifth belt conveyor 16 all are equipped with electronic belt scale and variable frequency speed control device to establish the functional relation LUT of belt speed and ore deposit volume, come real-time regulation to get into the ore deposit volume of first cone crusher 8 and second cone crusher 18 through control belt conveyor belt speed.
The second electromagnetic iron remover 17 is arranged above a material conveying section of a fifth belt conveyor 16, the circular vibrating screen 11 adopts double-layer screen surfaces, the size of a screen hole of the upper layer screen surface is 35mm multiplied by 55mm, the size of a screen hole of the lower layer screen surface is 14mm multiplied by 22mm, the circular vibrating screen 11 integrates pre-screening and inspection screening, not only can pre-screen middle-crushed products before fine crushing, but also can inspect and screen fine-crushed products, the production capacity of fine crushing equipment is fully exerted on the premise that the granularity of waste stone aggregates is ensured to be qualified, the circular vibrating screen 11 adopts double-layer screen surfaces, the upper layer screen mainly plays a role in weakening the impact force of the materials and assists in primary screening of the materials, the lower layer screen is a final link for controlling the granularity of the waste stone aggregates, the screening efficiency of the circular vibrating screen 11 is effectively improved, the oversize products of the upper layer screen and the lower layer screen enter fine crushing operation after being collected, and the undersize products of the lower layer screen are final aggregate products, the dust removal system 21 comprises a dust remover, an induced draft fan and a dust removal air pipe, dust-containing gas generated at the crushing, screening and transferring positions of the materials is introduced into the dust removal system 21 through the dust removal air pipe for purification treatment, and the workshop operation environment is improved.
The right side of the guide pipe 216 is provided with four arc-shaped ventilation slots, and the right side of the ventilation slots is provided with a wind paddle 2171, the right end of the support pipe 218 is provided with a ventilation net, and the center of the ventilation net is provided with a ball bearing, and a drive shaft 2172 penetrates through the center of the ball bearing.
The driving assembly 217 comprises a wind paddle 2171, a driving shaft 2172 is arranged on the right side of the wind paddle 2171, a cam 2173 is connected to the outside of the driving shaft 2172, a needle bearing 2174 is arranged on the outside of the driving shaft 2172, the needle bearing 2174 is connected to the inside of a supporting frame 2175, a spring 2176 is arranged inside the supporting frame 2175, a telescopic column 2177 is arranged above the spring 2176, and a filter cartridge 219 is connected above the telescopic column 2177.
The springs 2176 are provided in four sets at the four corners of the filter cylinder 219, and the springs 2176 are provided with a retaining groove on the outside, and the top inside diameter of the retaining groove is smaller than the bottom diameter of the telescopic column 2177.
A production process for preparing aggregate from mining waste rock with high-efficiency dust removal comprises the following steps:
s1, a three-section-closed crushing and screening process is adopted for processing the waste rock aggregate, namely, coarse crushing and intermediate crushing are performed in an open circuit mode, fine crushing and pre-inspection screening constitute a closed circuit cycle, the maximum granularity of the waste rock raw ore is 700mm, large waste rocks are crushed by a hydraulic stone crusher 1, the waste rocks with the granularity smaller than 500mm are fed into a receiving bin 3 provided with a fixed grid screen by a wheel loader 2, materials in the receiving bin 3 are fed into a jaw crusher 5 through a bar feeder 4 for coarse crushing, and coarse crushed products and fine particle materials discharged from a gap between bars of the bar feeder 4 are fed into a first cone crusher 8 through a first belt conveyor 6 for intermediate crushing;
s2, middle-crushed products are transferred to a circular vibrating screen 11 through a second belt conveyor 9 and a third belt conveyor 10 and are subjected to middle-crushing, inspection screening and fine crushing and pre-screening before fine crushing, undersize materials of a lower-layer screen of the circular vibrating screen 11 are qualified aggregates (the granularity is smaller than 12 mm), the aggregates are conveyed to an aggregate product bin 20 through a sixth belt conveyor 19, oversize materials of an upper-layer screen and the lower-layer screen are collected and then conveyed to a buffer ore bin 13 through a fourth belt conveyor 12, the aggregates are conveyed to a second cone crusher 18 through an electro-hydraulic flat gate 15 and a fifth belt conveyor 16 for fine crushing, the fine crushed products are returned to the circular vibrating screen 11 to be inspected and screened to form a closed cycle, a first electromagnetic iron remover 7 is used for removing iron pieces in materials of the first belt conveyor 6, and a second electromagnetic iron remover 17 is used for removing iron pieces in materials of the fifth belt conveyor 16;
s3, dust air enters from the upper portion of the filter cylinder 219 and is filtered through the filter cylinder 219, clean air is discharged from the lower left corner of the dust removal shell 211, dust falls into the dust hopper below the filter cylinder 219, the pulse valve 213 is opened, air is supplied through the air outlet pipe 214, meanwhile, air is blown out through the air guide pipe 215 and the guide pipe 216 to drive the wind paddles 2171 to rotate, and then the cam 2173 is driven to rotate through the driving shaft 2172, so that the cam 2173 can vibrate and hit the filter cylinder 219, and efficient cleaning of the dust is accelerated.
The working principle is as follows: the large waste stones are smashed by a hydraulic stone crusher 1, the waste stones with the granularity smaller than 500mm are fed into a mine receiving bin 3 provided with a fixed grid sieve by a wheel loader 2, materials in the mine receiving bin 3 are fed into a jaw crusher 5 through a bar feeder 4 to be coarsely crushed, coarsely crushed products and fine materials discharged from a bar gap of the bar feeder 4 are fed into a first cone crusher 8 through a first belt conveyor 6 to be crushed, the coarsely crushed products are conveyed into a circular vibrating screen 11 through a second belt conveyor 9 and a third belt conveyor 10 to be sieved after being crushed and pre-sieved before fine crushing, and undersize materials of a lower-layer sieve of the circular vibrating screen 11 are qualified aggregates (the granularity is smaller than 12 mm) and are sent to an aggregate product bin 20 through a sixth belt conveyor 19.
The oversize materials of the upper layer screen and the lower layer screen are collected and then sent into a buffer ore bin 13 by a fourth belt conveyor 12, and then fed into a second cone crusher 18 by a fifth belt conveyor 16 through an electro-hydraulic flat gate 15 for fine crushing, the fine crushed products are returned to a circular vibrating screen 11 for inspection and screening to form a closed loop circulation, a first electromagnetic iron remover 7 is used for removing iron pieces in the materials of the first belt conveyor 6, a second electromagnetic iron remover 17 is used for removing iron pieces in the materials of the fifth belt conveyor 16, dust air is attracted through a dust removing air pipe in the process of crushing and conveying waste rocks, so that the dust is filtered through a dust remover, the dust air enters from the upper part of a filter cylinder 219 and is filtered through the filter cylinder 219, clean air is discharged from the lower left corner of a dust removing shell 211, the dust falls into an ash hopper below the filter cylinder 219, a pulse valve 213 is opened, and air is ventilated through an air outlet pipe 214, meanwhile, air is blown out through the air guide pipe 215 and the guide pipe 216 to drive the wind paddles 2171 to rotate, and then the driving shaft 2172 drives the cam 2173 to rotate, so that the cam 2173 can vibrate and hit the filter cylinder 219, and efficient cleaning of dust is accelerated.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a mining barren rock preparation aggregate is with production facility that has high-efficient dust removal, includes hydraulic pressure stone crusher (1), wheel loader (2), receives ore bin (3), jaw breaker (5) and dust pelletizing system (21), its characterized in that: the jaw crusher (5) to the sixth belt conveyor (19) are externally connected with a dust removal system (21), the dust removal system (21) comprises a dust removal shell (211), an air storage cylinder (212) is arranged on the left side of the dust removal shell (211), an air outlet pipe (214) is arranged on the right side of the air storage cylinder (212), a pulse valve (213) is arranged above the air outlet pipe (214), a filter cylinder (219) is arranged inside the dust removal shell (211), an air guide pipe (215) is connected below the air outlet pipe (214), a guide pipe (216) is connected below the air guide pipe (215), a support pipe (218) is connected outside the guide pipe (216), a driving assembly (217) is arranged on the right side of the guide pipe (216), and the driving assembly (217) is located inside the support pipe (218).
2. The production equipment with high-efficiency dust removal for preparing the aggregate from the mining waste rock, which is disclosed by claim 1, is characterized in that: one end of the ore receiving bin (3) is connected with a bar feeding machine (4), the other end of the bar feeding machine (4) is connected with a jaw crusher (5), the other end of the jaw crusher (5) is connected with a first belt conveyor (6), a first electromagnetic iron remover (7) is arranged above the first belt conveyor (6), the other end of the first belt conveyor (6) is connected with a first cone crusher (8), a second belt conveyor (9) is arranged below the first cone crusher (8), a third belt conveyor (10) is connected below the second belt conveyor (9), a second cone crusher (18) is arranged above the second belt conveyor (9), a fifth belt conveyor (16) is arranged above the second cone crusher (18), and a second electromagnetic iron remover (17) is arranged above the fifth belt conveyor (16), the other end top of fifth belt conveyor (16) is provided with buffering ore bin (13), the bottom of buffering ore bin (13) is provided with electro-hydraulic flat gate (15), the inside of buffering ore bin (13) is provided with bulkhead vibrator (14), the top of buffering ore bin (13) is connected with fourth belt conveyor (12), the other end of fourth belt conveyor (12) is connected with circular vibrating screen (11), the below of circular vibrating screen (11) is provided with sixth belt conveyor (19), the other end of sixth belt conveyor (19) is connected with aggregate product storehouse (20).
3. The production equipment with high-efficiency dust removal for preparing the aggregate from the mining waste rock, which is disclosed by claim 2, is characterized in that: the ore receiving bin (3) is a reinforced concrete rectangular funnel bin, a fixed grid sieve is arranged at the top of the bin, the ore storage time is 1-1.5 h, the buffer ore bin (13) is a steel structure rectangular conical bottom bin, and the ore storage time is 30-40 min.
4. The production equipment with high-efficiency dust removal for preparing the aggregate from the mining waste rock, which is disclosed by claim 2, is characterized in that: the jaw crusher (5) is coarse crushing equipment, the maximum feeding granularity is 500mm, the adjusting range of the ore discharge port is 60 mm-170 mm, the first cone crusher (8) is middle crushing equipment, the maximum feeding granularity is 200mm, the adjusting range of the ore discharge port is 16 mm-40 mm, the second cone crusher (18) is fine crushing equipment, the maximum feeding granularity is 80mm, and the adjusting range of the ore discharge port is 13 mm-38 mm.
5. The production equipment with high-efficiency dust removal for preparing the aggregate from the mining waste rock, which is disclosed by claim 2, is characterized in that: the first belt conveyor (6) and the fifth belt conveyor (16) are both provided with an electronic belt scale and a variable-frequency speed regulating device, and the first electromagnetic iron remover (7) is installed above the material conveying section of the first belt conveyor (6).
6. The production equipment with high-efficiency dust removal for preparing the aggregate from the mining waste rock, which is disclosed by claim 2, is characterized in that: second electromagnetism de-ironing separator (17) are installed in fifth belt conveyor (16) material transport section top, circular vibrating screen (11) adopt double-deck sifter, and upper screen sieve mesh size is 35mm x 55mm, and lower floor's sifter sieve mesh size is 14mm x 22mm, dust pelletizing system (21) are including dust remover, draught fan to and the dust removal tuber pipe.
7. The production equipment with high-efficiency dust removal for preparing the aggregate from the mining waste rock, which is disclosed by claim 1, is characterized in that: the right side of stand pipe (216) is provided with four arc ventilation grooves, and the right side in ventilation groove is provided with fan oar (2171), the right-hand member of stay tube (218) is provided with the ventilation net, and the center of ventilation net is provided with ball bearing, and the center of ball bearing has run through drive shaft (2172).
8. The production equipment with high-efficiency dust removal for preparing the aggregate from the mining waste rock, which is disclosed by claim 1, is characterized in that: the driving assembly (217) comprises a wind paddle (2171), a driving shaft (2172) is arranged on the right side of the wind paddle (2171), a cam (2173) is connected to the outside of the driving shaft (2172), a needle bearing (2174) is arranged on the outside of the driving shaft (2172), the needle bearing (2174) is connected to the inside of a supporting frame (2175), a spring (2176) is arranged inside the supporting frame (2175), a telescopic column (2177) is arranged above the spring (2176), and a filter cylinder (219) is connected to the upper portion of the telescopic column (2177).
9. The production equipment with high-efficiency dust removal for preparing the aggregate from the mining waste rock, which is disclosed by claim 8, is characterized in that: the springs (2176) are provided with four groups and are respectively arranged at four corners of the filter cylinder (219), the outer part of the spring (2176) is provided with a limiting groove, and the inner diameter of the top part of the limiting groove is smaller than the diameter of the bottom part of the telescopic column (2177).
CN202121174662.2U 2021-05-28 2021-05-28 Production facility that mining barren rock preparation aggregate was with having high-efficient dust removal Active CN215611805U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121174662.2U CN215611805U (en) 2021-05-28 2021-05-28 Production facility that mining barren rock preparation aggregate was with having high-efficient dust removal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121174662.2U CN215611805U (en) 2021-05-28 2021-05-28 Production facility that mining barren rock preparation aggregate was with having high-efficient dust removal

Publications (1)

Publication Number Publication Date
CN215611805U true CN215611805U (en) 2022-01-25

Family

ID=79939905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121174662.2U Active CN215611805U (en) 2021-05-28 2021-05-28 Production facility that mining barren rock preparation aggregate was with having high-efficient dust removal

Country Status (1)

Country Link
CN (1) CN215611805U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114733280A (en) * 2022-04-13 2022-07-12 衢州元立金属制品有限公司 Filter additionally arranged on pneumatic ash conveying pipeline

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114733280A (en) * 2022-04-13 2022-07-12 衢州元立金属制品有限公司 Filter additionally arranged on pneumatic ash conveying pipeline

Similar Documents

Publication Publication Date Title
CN2910356Y (en) Semi-self-grinding ball mill for ores
CN105618265B (en) Beneficiation method for ultralow-grade iron ore
CN108480016B (en) The efficient rubble sand production technology of factory's formula environment-protecting intelligent
CN108014913A (en) The Ultra-low-grade magnetite beneficiation method and system of association Phosphate minerals
CN111530597A (en) Dry sand making method by environment-friendly recycling of waste limestone
CN112439530A (en) Fine granite machine-made sandstone aggregate production line and process flow thereof
CN112452502A (en) Fine basalt machine-made sandstone aggregate production line and process flow thereof
CN212285250U (en) Novel construction waste crushing and classifying device
CN201519600U (en) Building aggregate grading machine with dry method mechanism
CN107961885A (en) Highly integrated dry type mechanism sand device
CN215611805U (en) Production facility that mining barren rock preparation aggregate was with having high-efficient dust removal
CN101869868A (en) Waste rock discharging and sorting comprehensive treatment method for underground lump coal
CN117065902B (en) Multistage broken sand making machine
CN114471899A (en) Energy-saving and water-saving closed circuit ore grinding process
CN115400825A (en) Production equipment and process with efficient dust removal function for preparing aggregate from mining waste rocks
CN101660043B (en) Classified stacking method of oxidized mine with high content of mud
CN106391213B (en) The energy-saving and environment-friendly rolling stone roller of one kind makes sand machine
CN102872944A (en) Closed loop balance wheel pulse sand making machine and sand making method
CN202876893U (en) Closed-loop balance wheel pulse sand making machine
CN111841846A (en) Efficient water-saving type coal resource upgrading process for underground separation and pre-discharge of gangue
CN101585033A (en) Dry method mechanism building aggregate grading method and device
CN115445741A (en) Method for preparing sand by utilizing rock waste high-yield preparation machine
CN115463712A (en) Crushing and screening integrated equipment for coal mine production and processing and use method
CN212882744U (en) Mining industry processing engineering is with ball mill of automatic branch material formula
CN203764370U (en) Crushing and transportation system for deep mining of iron ores in mine

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant