CN219868294U - Building aggregate production line ventilation dust pelletizing system - Google Patents

Abstract

The utility model provides a ventilation and dust removal system of a building aggregate production line, which comprises a plurality of dust collectors arranged in a coarse crushing workshop, a mud removing and sieving workshop, a semi-finished product material area, a middle fine crushing and shaping workshop, a sieving workshop and a finished product loading area, and three powder bins arranged outside the middle fine crushing and shaping workshop and the sieving workshop, wherein the three powder bins are arranged outside the middle fine crushing and shaping workshop and the sieving workshop, and are connected with an air compression system through pipelines, and the air compression system provides air source power and conveys and gathers dust generated by the production line to the powder bins. The ventilating and dedusting system is systematically arranged in each workshop, has reasonable design, can perform the ventilating and dedusting operation of Cheng Gaoxiao, has low energy consumption, is safe and reliable, and meets the requirement of environment-friendly production.

Description

A ventilation and dust removal system for a construction aggregate production line

Technical field

The utility model relates to the technical field of building material production lines, and in particular to a ventilation and dust removal system for a building aggregate production line.

Background technique

The ventilation and dust removal system is an indispensable component in the construction of industrial and mining enterprises. It is of great significance to improving working conditions, protecting the environment, ensuring product quality, and improving labor productivity. For the machine-made sand and gravel production line, the dust-raising workshops in the factory area include the coarse crushing workshop, mud removal screen workshop, medium and fine crushing workshop, vertical shaft shaping workshop, first screen workshop, second screen workshop, finished product silo, etc., all of which require ventilation and dust removal operations. Due to the different product requirements of machine-made sand and gravel and the process design of the production line, the ventilation and dust removal system of each workshop needs to be designed. Especially for new machine-made sand and gravel production lines, it is very important, critical and challenging to improve the existing ventilation and dust removal scheme and establish a ventilation and dust removal system that covers the entire process and is more energy-saving and environmentally friendly.

Utility model content

In order to solve the deficiencies of the existing technology, the utility model provides a ventilation and dust removal system for a construction aggregate production line. The ventilation and dust removal system is systematically arranged in each workshop. The design is reasonable, and the entire process of efficient ventilation and dust removal operations can be carried out with low energy consumption. , safe and reliable, meeting the needs of environmentally friendly production.

In order to achieve the above purpose of the utility model, the utility model provides the following technical solutions:

A ventilation and dust removal system for a construction aggregate production line, including multiple dust collectors arranged in a coarse crushing workshop, a sludge removal screen workshop, a semi-finished material area, a medium and fine crushing and shaping workshop, a screening workshop and a finished product loading area, and a plurality of dust collectors arranged in a medium and fine crushing and shaping workshop. There are three powder bins outside the workshop and screening workshop. The dust collectors include a dust collector in the coarse crushing workshop, a dust collector in the desilting screen workshop, a dust collector in the medium and fine crushing processing area, a dust collector in the shaping area, a dust collector in the first screening area, and a dust collector in the second screening area. Screening area dust collector and finished product loading bin dust collector, three powder bins are installed outside the medium and fine crushing and shaping workshop and screening workshop. Each dust collector is connected to the air pressure system through pipelines, and the air pressure system provides air source power. The dust generated by the production line is transported and collected into the powder bin; the discharge port of the dust collector in the coarse crushing workshop is located above the belt conveyor connecting the coarse crushing workshop and the semi-finished material area, and the belt conveyor collects the dust from the dust collector in the coarse crushing workshop. Transported to the semi-finished material area; the outlet of the dust collector in the desilting sieve workshop is located at the entrance of the belt conveyor connecting the desilting sieve workshop and the discard area. The belt conveyor transports the dust from the dust collector in the desilting sieve workshop to the discarded material. area; the discharge port of the dust collector in the medium and fine crushing processing area is located above the belt conveyor connecting the medium and fine crushing processing area and the first screening area, and the belt conveyor transports the dust from the dust collector in the medium and fine crushing processing area to the first screening area; The shaping area dust collector, the first screen partition dust collector, and the second screen partition dust collector are connected to the powder bin through a dust conveying system, and the dust conveying system transports the dust to the powder bin; the finished product loading bin dust collector is located in the finished product loading bin. At the top of the silo, the dust is collected by the dust collector and bulk machine at the bottom of the finished product loading bin; a dust collector is installed on the top of each powder silo, and the dust is collected by the dust collector and bulk machine at the bottom of the powder silo.

The dust conveying system includes a pneumatic conveying system, a first scraper conveying system, and a second scraper conveying system. The pneumatic conveying system is connected to the dust collector in the shaping area and transports the dust in the shaping area to the third powder bin. The first scraper conveying system is connected to the first screening zone dust collector and carries out dust transfer in one screening zone. The second scraper conveying system is connected to the second screening zone dust collector and carries out dust transport in the second screening zone. The second scraper conveying system is connected to the second screening zone dust collector. The first scraper conveying system is connected to convey dust from the second screening section. The first scraper conveying system simultaneously transports dust from the first screening section and dust from the second screening section and then lifts the dust to the first powder bin and the second powder bin through a bucket elevator. warehouse.

The coarse crushing workshop is equipped with a raw material warehouse, a heavy-duty rod feeder, and a jaw crusher. There are two raw material warehouses, a heavy-duty rod feeder, and a jaw crusher. The material machine and jaw crusher are connected in sequence. The coarse crushing workshop is connected to the mud removal screen workshop through the first belt conveyor. The coarse crushing workshop is also connected to the semi-finished material area through the second belt conveyor. Inside the raw material warehouse, the heavy-duty The receiving port of the rod feeder, the feeding port of the jaw crusher, the receiving point on the first belt conveyor corresponding to the discharge port of the heavy-duty rod feeder, the receiving point on the second belt conveyor corresponding to the discharge port of the jaw crusher Dust removal points are arranged at all material points. The dust removal points inside the raw material bin, the material receiving port of the heavy-duty rod feeder, and the feed port of the jaw crusher use a dry mist dust suppression system for dust removal. The dust removal points of the two belt conveyors pass through the pipe. The road is connected to the inlet of the dust collector in the coarse crushing workshop, and the discharge point of the dust collector in the coarse crushing workshop is located above the second belt conveyor.

The mud removal screen workshop is equipped with a mud removal vibrating screen, and a discarding area is set outside the mud removal screen workshop. The mud removal screen workshop is connected to the semi-finished material area through a second belt conveyor, and at the same time, the mud removal screen workshop is connected to the semi-finished material area through a third belt conveyor. The machine is connected to the discard area. Dust removal points are arranged at the discharge port of the first belt conveyor, the screen surface of the desludging vibrating screen, the material receiving point of the second belt conveyor corresponding to the desludging vibrating screen, and the material receiving point of the third belt conveyor. , each dust removal point is connected to the feed port of the dust collector in the desilting screen workshop through pipelines, and the discharge point of the dust collector in the desilting screen workshop is located above the third belt conveyor.

The semi-finished material area is connected to the coarse crushing workshop and the mud removal screen workshop through the second belt conveyor, and is also connected to the medium and fine crushing and shaping workshop through the fifth belt conveyor. Specifically, a fourth belt conveyor connected to the second belt conveyor is provided above the semi-finished material area, a discharging trolley is configured on the fourth belt conveyor, a corridor is provided at the bottom of the semi-finished material area, and multiple first vibrating feeders are evenly arranged in the corridor. , a fifth belt conveyor is arranged below the first vibrating feeder, and the semi-finished material area is connected to the medium and fine crushing and shaping workshop through the fifth belt conveyor.

The medium and fine crushing and shaping workshop includes a medium and fine crushing processing area and a shaping area. The dust collector of the medium and fine crushing processing area and the shaping area dust collector are respectively installed in the medium and fine crushing processing area and the shaping area. The medium and fine crushing processing area includes a medium crushing and shaping area. and a fine crushing processing area. The medium crushing processing area includes a medium crushing buffer bin and a medium crushing cone crusher. The fine crushing processing area includes a fine crushing buffer bin and a fine cone crusher. There are two medium crushing cone crushers and they share a medium crushing buffer. There are two fine crushing cone crushers and they share a fine crushing buffer warehouse. The discharge points of the two medium crushing cone crushers are connected to the first pre-screening machine of a screening section through the sixth belt conveyor. The two fine crushing cones The discharge point of the crusher is connected to the second pre-screening machine and the third pre-screening machine of the first screening area through the tenth belt conveyor. The feeding port of the belt conveyor, the feeding port of the tertiary cone crusher, and the feeding port of the tenth belt conveyor are all equipped with dust removal points, and each dust removal point is connected to the feeding port of the dust collector in the medium and fine crushing processing area through pipelines. The dust collector in the processing area spans the sixth and tenth belt conveyors and has discharge points arranged on both the sixth and tenth belt conveyors.

The shaping area includes a shaping sand making buffer bin and a vertical shaft impact crusher. There are three vertical shaft impact crushers and they share a shaping sand making buffer bin. The shaping sand making buffer bin is configured to divert unshaped materials. The dividing chute, the shaping sand making buffer bin is connected to the feed port of the vertical shaft impact crusher through the twelfth belt conveyor, the dividing chute of the shaping sand making buffer bin and the outlet of the vertical shaft impact crusher are both connected to the twelfth belt conveyor. At least one of the thirteenth belt machine, the fourteenth belt machine, and the fifteenth belt machine is connected, and the thirteenth belt machine, the fourteenth belt machine, the fifteenth belt machine is connected to the second screening area, and in the tenth The feed port and discharge port of the second belt conveyor, the feed port and discharge port of the vertical shaft impact crusher, the feed port of the thirteenth belt conveyor, the feed port of the fourteenth belt conveyor, the feed port of the fifteenth belt conveyor Dust removal points are arranged and each dust removal point is connected to the feed port of the dust collector in the shaping area through pipelines.

The screening workshop includes a first screening section and a second screening section. The first screening section dust collector and the second screening section dust collector are respectively arranged outside the first screening section and outside the second screening section. The first screening section includes a first pre-screening section arranged in parallel. Screening machine, second pre-screening machine, and third pre-screening machine. The three pre-screening machines all include three-layer screens set up and down and are equipped with a non-powered powder selection device at the bottom. The upper screens of the three pre-screening machines are The upper screen material of the feeding and middle screen mesh is connected to the seventh belt conveyor through the discharging channel. The seventh belt conveyor is connected to the ninth belt conveyor and the ninth belt conveyor is connected to the fine crushing buffer bin. The lower screens of three pre-screening machines are The materials on the screen are all connected to the eighth belt conveyor through the discharge channel, the eighth belt conveyor is connected to the eleventh belt conveyor, and the eleventh belt conveyor is connected to the shaping sand making buffer bin. The unpowered powder selection under the pre-screening machine The device is connected to the 21st belt conveyor and the 21st belt conveyor is connected to the finished product warehouse 6. A dust removal point is arranged at the discharge port of the ninth belt conveyor and the dust removal point is connected to the dust collector in the medium and fine crushing processing area through a pipeline. The discharge port of the eleventh belt conveyor is connected with a dust removal point and the dust removal point is connected to the feed port of the dust collector in the shaping area through a pipeline. The discharge port of the sixth belt conveyor and the discharge port of the tenth belt conveyor are connected. mouth, the screen surface of three pre-screening machines, the material receiving port of the seventh belt conveyor, the material receiving port of the ninth belt conveyor, the material receiving port and discharge port of the eighth belt conveyor, the material receiving port of the eleventh belt conveyor, the material receiving port of the twentieth The material receiving port of a belt conveyor is equipped with dust removal points, and each dust removal point is connected to the feed port of a screening zone dust collector through pipelines.

The two screening areas are equipped with two sets of screening machines, upper and lower, a total of six screening machines. The upper set of screening machines and the lower set of screening machines both include three screening machines set in parallel. Each screening machine includes three layers of screening machines set up and down. The net is equipped with a non-powered powder selection device at the bottom. The upper set of screening machines and the lower set of screening machines are set up with screens of different apertures to achieve material screening. The upper screen of the upper set of screening machines supplies materials through the outlet. The material channel is connected to the 16th belt conveyor. The material on the middle screen screen is connected to the 17th belt conveyor through the discharging channel. The 16th belt conveyor and the 17th belt conveyor are connected to the finished product warehouse one and the finished product warehouse two respectively. The lower screen material of the upper group of screening machines is connected to the upper screen mesh of the lower group of screening machines through a chute, and the lower screen material of the upper group of screening machines is connected to the unpowered powder selection device through the 22nd belt conveyor. The upper screen material of a group of screening machines is connected to the 18th belt conveyor through the discharge channel, the middle screen material is connected to the 19th belt conveyor through the discharge channel, and the lower screen material is connected to the 20th belt conveyor through the discharge channel. The 18th, 19th, and 20th belt machines are connected to the finished product warehouse three, the finished product warehouse four, and the finished product warehouse five respectively. The lower screen material of the lower set of screening machines passes through the discharging channel and is connected to the finished product warehouse five. The unpowered powder selecting device is connected. The unpowered powder selecting device at the bottom of the second screening area is connected to the twenty-first belt conveyor and the twenty-first belt conveyor is connected to the finished product warehouse six. At the discharge port of the thirteenth belt conveyor, the The fourteenth belt conveyor discharge port, the fifteenth belt conveyor discharge port, the screen surface of each pre-screening machine in the upper and lower groups, the sixteenth belt conveyor material receiving port, the seventeenth belt conveyor material receiving port, the twentieth The second belt conveyor material receiving port, the eighteenth belt conveyor material receiving port, the nineteenth belt conveyor material receiving port, the twentieth belt conveyor material receiving port, and the twenty-first material receiving port are all equipped with dust removal points and each dust removal point It is connected to the feed port of the second screen zone dust collector through a pipeline.

This utility model adopts negative pressure dust removal as the main method and dry mist dust suppression as the supplement. The specific measures include: 1. Use dry mist dust suppression for the automobile dump bin, jaw crusher feed port and rod together to reduce dust; 2. Seal the upper inlet of the medium and fine crushers and the vertical shaft crusher and the outlet of the feeding equipment to extract the dust-containing gas; 3. Seal the material receiving point of the belt conveyor to extract the dust-containing gas; 4. Screen the single vibrating screen The surface is sealed to extract dust-containing gas; 5. Set up a dust collector on the top of the loading bin and the top of the powder tank, and set up a bulk machine with an integrated dust collector at the bottom of the loading bin and powder tank for dust collection; 6. Regular use of roads and sites The sprinkler truck sprays water to realize the whole-process ventilation operation of the construction aggregate production line, which has the advantages of full coverage, high efficiency, low energy consumption, more environmental protection, safety and reliability.

Description of the drawings

Figure 1 is a top view of the ventilation and dust removal system of the construction aggregate production line of the present invention;

Figure 2 is a top view of the construction aggregate production line (including equipment) of the present invention;

Figure 3 is a right view of the mud removal screen workshop, coarse crushing workshop and semi-finished material area of the utility model;

Figure 4 is a front view of the semi-finished product area and the medium and fine crushing and shaping workshop of the present invention;

Figure 5 is a right view of the fine crushing processing area and the screening area of the screening workshop in the fine crushing and shaping workshop of the present invention;

Figure 6 is a right view of the shaping area of the fine crushing and shaping workshop and the second screening area of the screening workshop in the present utility model;

Figure 7 is a front view of the screening workshop and finished product loading area of the present invention.

In the picture: 1-Desilting screen workshop, 2-Coarse crushing workshop, 3-Semi-finished material area, 4-Medium fine crushing and shaping workshop, 5-Medium fine crushing processing area, 6-Shaping area, 7-Screening workshop, 8-One Screening area, 9-second screening area, 10-finished product loading area, 11-raw material warehouse, 12-heavy rod feeder, 13-jaw crusher, 14-sludge removal screen, 15-disposal area, 16 -The first belt conveyor, 17-the second belt conveyor, 18-the third belt conveyor, 19-the fourth belt conveyor, 20-unloading trolley, 21-the first vibrating feeder, 22-the fifth belt conveyor, 23 -Medium crushing cone crusher, 24-tertiary crushing buffer bin, 25-tertiary cone crusher, 26-sixth belt conveyor, 27-tenth belt conveyor, 28-first pre-screening machine, 29-second pre-screening machine, 30-The third pre-screening machine, 31-Unpowered powder selection device, 32-The seventh belt conveyor, 33-The ninth belt conveyor, 34-The eighth belt conveyor, 35-The eleventh belt conveyor, 36-Shaping sand making Buffer bin, 37-vertical shaft impact crusher, 38-twelfth belt conveyor, 39-thirteenth belt conveyor, 40-fourteenth belt conveyor, 41-fifteenth belt conveyor, 42-a set of screening machines above , 43-The lower group of screening machines, 44-The 16th belt machine, 45-The 17th belt machine, 46-The 22nd belt machine, 47-The 18th belt machine, 48-The 19th belt machine, 49-20th tape machine, 50-21st tape machine, 51-finished product warehouse one, 52-finished product warehouse two, 53-finished product warehouse three, 54-finished product warehouse four, 55-finished product warehouse five, 56-finished product warehouse Library six, 57-powder silo, 58-air pressure system, 59-dry mist dust suppression system, 60-coarse crushing workshop dust collector, 61-dust removal screen workshop, 62-medium and fine crushing processing area dust collector, 63 -Shaping area dust collector, 64-First screen section dust collector, 65-Second screen section dust collector, 66-Finished product loading bin dust collector, 67-Powder bin dust collector.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and examples.

As shown in Figure 1-7, a ventilation and dust removal system for a construction aggregate production line includes a coarse crushing workshop dust collector 60, a desilting screen workshop dust collector 61, a medium and fine crushing processing area dust collector 62, a shaping area dust collector 63, and a screen. Zone dust collector 64, second screen zone dust collector 65, finished product loading bin dust collector 66 (the dust removal area of each dust collector is represented by a dotted box) and powder bin 57, the coarse crushing workshop dust collector 60, the mud removal screen workshop Dust collector 61, medium and fine crushing processing area dust collector 62, shaping area dust collector 63, first screening area dust collector 64, second screening area dust collector 65, finished product loading warehouse dust collector 66 and coarse crushing workshop 2, desilting screen workshop 1 , medium and fine crushing processing area 5, shaping area 6, first screening area 8, second screening area 9 and finished product loading warehouse are set up correspondingly. Medium and fine crushing processing area 5, shaping area 6 are located in the medium and fine crushing and shaping workshop 4, first screening area 8 and second screening area 8 The screening area 9 is located in the screening workshop 7. There are multiple finished product loading warehouses and they are located in the finished product loading area 10. The coarse crushing workshop dust collector 60 is set outside the coarse crushing workshop 2, and the mud removal screen workshop dust collector 61 In addition to the mud screening workshop 1, the medium and fine crushing processing area dust collector 62 and the shaping area dust collector 63 are arranged in the medium and fine crushing and shaping workshop 4, and the first screening area dust collector 64 and the second screening area dust collector 65 are arranged in Outside the screening workshop 7, there are three powder bins 57. The 3# powder bin 57 is located outside the medium and fine crushing and shaping workshop 4. The 1# powder bin 57 and 2# powder bin 57 are located outside the screening workshop 7. Each dust collector All are connected to the air pressure system 58 through pipelines. The air pressure system 58 provides air source power and transports and collects most of the dust generated by the production line to the powder bin 57. The air pressure system 58 adopts an air-cooled screw air conditioner connected in sequence. Press, air storage tank and air-cooled cold dryer, the air outlets of the air storage tank and cold dryer are equipped with water and oil removal filters. The discharge port of the coarse crushing workshop dust collector 60 is located above the belt conveyor connecting the coarse crushing workshop 2 and the semi-finished product material area 3, and the belt conveyor transports the dust from the coarse crushing workshop dust collector 60 to the semi-finished product material area 3; The discharge port of the dust collector 61 in the desilting screen workshop is located at the entrance of the belt conveyor connecting the desilting screen workshop 1 and the discard area 15. The belt conveyor transports the dust from the dust collector 61 in the desilting screen workshop to the discard area 15; so The outlet of the dust collector 62 in the medium and fine crushing processing area is located above the belt conveyor connecting the medium and fine crushing processing area 5 and the first screening area 8. The belt conveyor transports the dust from the dust collector 62 in the medium and fine crushing processing area to the first screening area 8; The shaping area dust collector 63 transports dust to the 3# powder bin 57 through a pneumatic conveying system. The first screening area dust collector 64 is connected to the first scraper conveying system to transport dust from the first screening area 8. The second screening area The partition dust collector 65 is connected to the second scraper conveying system and the second scraper conveying system is connected to the first scraper conveying system to carry out dust transportation of the second screening zone 9. The first scraper conveying system simultaneously transports the dust of the first screening zone 8 and The second sieves the dust in zone 9 and lifts the dust to the 1# powder bin 57 and the 2# powder bin 57 through a bucket elevator; the finished product loading bin dust collector 66 is located at the top of the finished product loading bin, and is driven from the bottom of the finished product loading bin. The dust removal bulk machine collects dust; the top of each powder bin 57 is equipped with a powder bin dust collector 67, and the dust removal bulk machine at the bottom of the powder bin 57 collects dust.

The coarse crushing workshop 2 is provided with a raw material warehouse 11, a heavy rod feeder 12, and a jaw crusher 13. There are two raw material warehouses 11, a heavy rod feeder 12, and a jaw crusher 13. The raw material warehouse 11, heavy rod feeder 12, and jaw crusher 13 are connected in sequence. The coarse crushing workshop 2 is connected to the desilting screen workshop 1 through the first belt conveyor 16. The coarse crushing workshop 2 is also connected through the second The belt conveyor 17 is connected to the semi-finished product material area 3. Inside the raw material bin 11, the material receiving port of the heavy rod feeder 12, the feed port of the jaw crusher 13, and the first belt conveyor 16 corresponds to the unloading of the heavy rod feeder 12. Dust removal points are arranged at the material receiving point of the material port and the material receiving point of the second belt conveyor 17 corresponding to the jaw crusher 13, including inside the raw material bin 11, the material receiving port of the heavy rod feeder 12, and the jaw crusher 13 The dust removal point of the feed port uses a dry mist dust suppression system 59 for dust removal. The dust removal points of the two belt conveyors are connected to the feed port of the coarse crushing workshop dust collector 60 through pipelines. The discharge point of the coarse crushing workshop dust collector 60 is located at Above the second tape machine 17.

Further, at the discharge points of 2 raw material bins 11 (car dump bins), 2 heavy-duty rod feeders 12 material receiving ports, 2 jaw crusher 13 feeding ports, the first belt conveyor 16 corresponds to 2 The two material receiving points of the heavy rod feeder 12 and the second belt conveyor 17 correspond to the two material receiving points of the two jaw crushers 13 to form 10 dust removal points, among which the raw material warehouse 11 discharge point (Automobile dump bin), heavy rod feeder 12 material receiving port, jaw crusher 13 feeding port 6 dust removal points use dry mist dust suppression system 59 for dust removal, the first belt conveyor 16 corresponds to 2 The material receiving point of the heavy rod feeder 12 discharge port and the second belt conveyor 17 correspond to the material receiving points of the two jaw crushers 13 to form 4 dust removal points, and 2 high-efficiency pulse bag dust collectors are selected for dust removal. .

The mud removal screen workshop 1 is equipped with a mud removal vibrating screen, and a discard area 15 is provided outside the mud removal screen workshop 1. The mud removal screen workshop 1 is connected to the semi-finished material area 3 through a second belt conveyor 17, and mud is removed at the same time. The screen workshop 1 is connected to the discarding area 15 through the third belt conveyor 18. The discharge port of the first belt conveyor 16, the screen surface of the desludging vibrating screen, the second belt conveyor 17 corresponds to the receiving point of the desludging vibrating screen, and the third The material receiving points of the belt conveyor 18 are all arranged with dust removal points. Each dust removal point is connected to the feed port of the dust collector 61 in the desilting screen workshop through pipelines. The discharge point of the dust collector 61 in the desilting screen workshop is located in the third belt conveyor 18 above.

Further, 4 formed by the discharge port of the first belt conveyor 16, the material receiving point on the screen surface of the desludging vibrating screen, the material receiving point of the second belt conveyor 17 corresponding to the desludging vibrating screen, and the material receiving point of the third belt conveyor 18 A dust removal point and a high-efficiency pulse bag dust collector are selected for dust removal processing.

A fourth belt conveyor 19 connected to the second belt conveyor 17 is arranged above the semi-finished material area 3. A discharge trolley 20 is arranged on the fourth belt conveyor 19. A corridor is provided at the bottom of the semi-finished material area 3, and a plurality of third belt conveyors are evenly arranged in the corridor. A vibrating feeder 21. A fifth belt conveyor 22 is provided below the first vibrating feeder 21. The semi-finished material area 3 is connected to the medium and fine crushing and shaping workshop 4 through the fifth belt conveyor 22.

The medium and fine crushing and shaping workshop 4 includes a medium and fine crushing processing area 5 and a shaping area 6. The medium and fine crushing processing area dust collector 62 and the shaping area dust collector 63 are respectively arranged in the medium and fine crushing processing area 5 and the shaping area 6. The medium and fine crushing processing area 5 and the shaping area 6 are respectively arranged. The processing area 5 includes a medium crushing processing area and a fine crushing processing area. The medium crushing processing area includes a medium crushing buffer bin and a medium crushing cone crusher 23. The fine crushing processing area includes a fine crushing buffer bin 24 and a fine crushing cone crusher 25. The medium crushing cone crusher There are two crushers 23 and share a medium crushing buffer chamber. There are two tertiary cone crushers 25 and share a fine crushing buffer chamber 24. The discharge points of the two medium crushing cone crushers 23 pass through the sixth belt conveyor 26. Connected to the first pre-screening machine 28 of a screening section 8, the discharge points of the two fine cone crushers 25 pass through the tenth belt conveyor 27 and the second pre-screening machine 29 and the third pre-screening machine of a screening section 8 30 connection, at the discharging port of the fifth belt conveyor 22, the feeding port of the medium cone crusher 23, the feeding port of the sixth belt conveyor 26, the feeding port of the fine cone crusher 25, and the feeding port of the tenth belt conveyor 27. Dust removal points are arranged and each dust removal point is connected to the feed inlet of the medium and fine crushing processing area dust collector 62 through pipelines. The medium and fine crushing processing area dust collector 62 spans the sixth belt conveyor 26 and the tenth belt conveyor 27 and is connected to the sixth belt conveyor 26 and the tenth belt conveyor 27. Discharge points are arranged on both the sixth belt conveyor 26 and the tenth belt conveyor 27.

Further, at the discharge port of the fifth belt conveyor 22, the material inlets of the two medium cone crushers 23, and the sixth belt conveyor 26, there are two material receiving ports corresponding to the discharge of the two medium cone crushers 23. The 2 material inlets of the 2 fine cone crushers 25 and the tenth belt conveyor 27 correspond to the 2 material receiving ports at the discharge of the 2 fine cone crushers 25 to form 9 dust removal points, and 2 high-efficiency pulse bag dust collectors are selected for the purpose. Dust removal treatment.

The shaping area 6 includes a shaping sand making buffer bin 36 and a vertical shaft impact crusher 37. There are three vertical shaft impact crushers 37 and they share a shaping sand making buffer bin 36. The shaping sand making buffer bin 36 is provided with In the branch chute that diverts unshaped materials, the shaping sand making buffer warehouse 36 is connected to the feed port of the vertical shaft impact crusher 37 through the twelfth belt conveyor 38. The branching chute and vertical shaft type of the shaping sand making buffer warehouse 36 The discharge port of the impact crusher 37 is connected to at least one of the thirteenth belt conveyor 39, the fourteenth belt conveyor 40, and the fifteenth belt conveyor 41. The thirteenth belt conveyor 39, the fourteenth belt conveyor 40. The fifteenth belt conveyor 41 is connected to the second screening section 9, and is connected to the feed port and discharge port of the twelfth belt conveyor 38, the feed port and discharge port of the vertical shaft impact crusher 37, and the thirteenth belt conveyor 39 The material receiving port, the fourteenth belt conveyor 40 material receiving port, and the fifteenth belt conveyor 41 material receiving port are all arranged with dust removal points, and each dust removal point is connected to the feed port of the shaping area dust collector 63 through pipelines.

Further, at the feed port and discharge port of the twelfth belt conveyor 38, the feed ports of three vertical shaft impact crushers 37, the discharge ports of three vertical shaft impact crushers 37, and the material receiving port of the thirteenth belt conveyor 39 The material receiving port of the 14th belt conveyor 40 and the material receiving port of the 15th belt conveyor 41 form 11 dust removal points, and 2 high-efficiency pulse bag dust collectors are selected for dust removal processing.

The screening workshop 7 includes a first screening section 8 and a second screening section 9. The first screening section dust collector 64 and the second screening section dust collector 65 are respectively arranged outside the first screening section 8 and the second screening section 9. The first screening section 8 includes a first pre-screening machine 28, a second pre-screening machine 29, and a third pre-screening machine 30 set up in parallel. The three pre-screening machines all include three-layer screens set up and down and are equipped with a non-powered powder selection device at the bottom. 31. The upper screen material of the upper screen of the three pre-screening machines and the screen upper material of the middle screen are connected to the seventh belt conveyor 32 through the discharging channel. The seventh belt conveyor 32 is connected to the ninth belt conveyor 33 and the ninth belt conveyor is connected. The machine 33 is connected to the fine crushing buffer bin 24. The screen materials on the lower screen of the three pre-screening machines are all connected to the eighth belt conveyor 34 through the discharge channel. The eighth belt conveyor 34 is connected to the eleventh belt conveyor 35 and the tenth belt conveyor 34 is connected to the eleventh belt conveyor 35. The first belt conveyor 35 is connected to the shaping sand making buffer warehouse 36, the unpowered powder selection device 31 below the pre-screening machine is connected to the twenty-first belt conveyor 50 and the twenty-first belt conveyor 50 is connected to the finished product warehouse six 56. In the A dust removal point is arranged at the discharge port of the nine belt conveyor 33 and is connected to the feed port of the dust collector 62 in the medium and fine crushing processing area through a pipeline. A dust removal point is arranged at the discharge port of the eleventh belt conveyor 35 and this dust removal point The pipeline is connected to the feed port of the dust collector 63 in the shaping area, and is connected to the discharge port of the sixth belt conveyor 26, the discharge port of the tenth belt conveyor 27, the screen surface of the three pre-screening machines, and the material receiving port of the seventh belt conveyor 32. , the ninth belt conveyor 33 material receiving port, the eighth belt conveyor 34 material receiving port and discharge port, the eleventh belt conveyor 35 material receiving port, the twenty-first belt conveyor 50 material receiving port are all arranged with dust removal points and each The dust removal point is connected to the feed port of a screening zone dust collector 64 through a pipeline.

Further, a dust removal point at the discharge port of the ninth belt conveyor 33 is connected to the high-efficiency pulse bag dust collector in the medium and fine crushing processing area 5 through a pipeline for dust removal processing. At this time, the two high-efficiency pulse bag dust collectors in the medium and fine crushing processing area 5 The dust collector processes a total of 10 dust removal points. One dust removal point at the 35 discharge port of the eleventh belt conveyor is connected to the high-efficiency pulse bag dust collector in the medium and fine crushing processing area 5 through a pipeline for dust removal processing. At this time, the shaping area 6 The two high-efficiency pulse bag dust collectors process a total of 12 dust removal points, at the discharge port 26 of the sixth belt conveyor, the discharge port 27 of the tenth belt conveyor, and the 3 screen surface receiving points of the three pre-screening machines. The seventh belt conveyor 32 corresponds to the three material receiving openings of the three pre-screening machines, the ninth belt conveyor 33 corresponds to the material receiving opening, the eighth belt conveyor 34 corresponds to the three material receiving openings of the three pre-screening machines, and the eighth belt conveyor 34 corresponds to One discharge port of the eleventh belt conveyor 35, the material receiving port of the eleventh belt conveyor 35, and the twenty-first belt conveyor 50 correspond to the three material receiving ports of the three pre-screening machines to form 17 dust removal points and 3 A high-efficiency pulse bag dust collector is used for dust removal.

The second screening area 9 is equipped with two sets of upper and lower screening machines, a total of six screening machines. The upper set of screening machines 42 and the lower set of screening machines 43 each include three screening machines arranged in parallel. Each screening machine includes an upper and lower set of screening machines. The three-layer screen is equipped with a non-powered powder selection device 31 at the bottom. The upper set of screening machines 42 and the lower set of screening machines 43 achieve material screening by setting up screens with different apertures. The upper set of the upper set of screening machines 42 The screen sieve upper material is connected to the sixteenth belt conveyor 44 through the discharging channel, and the middle screen sieve upper material is connected to the seventeenth belt conveyor 45 through the discharging channel. The sixteenth belt conveyor 44 and the seventeenth belt conveyor 45 They are respectively connected to the finished product warehouse one 51 and the finished product warehouse two 52. The upper screen of the upper set of screening machines 42 is connected to the upper screen of the lower set of screening machines 43 through the chute, and the lower screen of the upper set of screening machines 42 is unloaded. The twenty-second belt conveyor 46 is connected to the unpowered powder selection device 31. The upper screen material of the lower set of screening machines 43 is connected to the eighteenth belt conveyor 47 through the discharging channel. The middle screen upper material is connected to the eighteenth belt conveyor 47 through the discharging channel. The 19th belt conveyor 48 is connected, the lower screen upper material is connected to the 20th belt conveyor 49 through the discharging channel, the 18th belt conveyor 47, the 19th conveyor belt 48, and the 20th conveyor belt 49 are respectively connected with the finished product warehouse 3. 53. Finished product warehouse four 54 and finished product warehouse five 55 are connected. The lower screen material of the lower set of screening machines 43 is connected to the unpowered powder selecting device 31 through the discharging channel. The bottom unpowered powder selecting device 31 of the second screening area 9 is Connected to the twenty-first belt conveyor 50 and the twenty-first conveyor belt conveyor 50 is connected to the finished product warehouse six 56, at the discharge port of the thirteenth belt conveyor 39, the fourteenth belt conveyor 40 discharge port, the fifteenth belt conveyor 41 discharge port, the screen surface of each pre-screening machine in the upper and lower groups, the 44 material receiving port of the 16th belt conveyor, the 45 material receiving port of the 17th belt conveyor, the 46 material receiving port of the 22nd belt conveyor, the 10th The 47 material receiving ports of the 8th belt conveyor, the 48 material receiving ports of the 19th belt conveyor, the 49 material receiving ports of the 20th belt conveyor, and the 21st material receiving ports are all equipped with dust removal points, and each dust removal point passes through the pipeline and the second screen The feed port of the zone dust collector 65 is connected.

Further, at the discharge port of the thirteenth belt conveyor 39, the discharge port of the fourteenth belt conveyor 40, the discharge port of the fifteenth belt conveyor 41, and the three screen surfaces of a group of three screening machines above, The sixteenth belt conveyor 44 corresponds to the three material receiving openings of a group of three screening machines above, the seventeenth belt conveyor 45 corresponds to the three material receiving openings of a group of three screening machines above, and the twenty-second belt conveyor 46 corresponds to The 3 material receiving openings of the upper group of 3 screening machines, the 18th belt conveyor 47 corresponds to the 3 material receiving openings of the lower group of 3 screening machines, and the 19th belt conveyor 48 corresponds to the lower group of 3 screening machines. The 3 material receiving ports, the 20th belt conveyor 49 corresponds to the 3 material receiving ports of a group of 3 screening machines below, and the 21st belt conveyor 50 corresponds to the 3 material receiving ports of a group of 3 screening machines below to form a dust removal There are 21 points in total, and these 21 dust removal points use 3 high-efficiency pulse bag dust collectors for dust removal.

The finished product loading area 10 includes six finished product warehouses, each finished product warehouse is provided with a finished product loading warehouse, and the material receiving ports of the six finished product loading warehouses and the receiving ports of the three powder warehouses 57 are equipped with dust removal points. And each dust removal point (9 in total) is equipped with a high-efficiency pulse bag dust collector nearby for dust removal to improve the dust removal effect.

It should be noted that the above-mentioned embodiments are only preferred embodiments of the present utility model and are not used to limit the protection scope of the present utility model. Equivalent transformations made on the basis of the above-mentioned embodiments all belong to the protection scope of the present utility model. .

Claims (8)

1. A ventilation and dust removal system for a construction aggregate production line, which is characterized by: including multiple dust collectors arranged in a coarse crushing workshop, a sludge removal screen workshop, a semi-finished product area, a medium and fine crushing and shaping workshop, a screening workshop and a finished product loading area. and three powder bins arranged outside the medium and fine crushing and shaping workshops and the screening workshop. The dust collectors include a coarse crushing workshop dust collector, a sludge removal screen workshop dust collector, a medium and fine crushing processing area dust collector, and a shaping area dust collector. The first screen section dust collector, the second screen section dust collector and the finished product loading bin dust collector. The three powder bins are located outside the medium and fine crushing and shaping workshop and the screening workshop. Each dust collector is connected to the air pressure system through pipelines. The air pressure system provides air power and transports the dust generated by the production line to the powder bin; the discharge port of the dust collector in the coarse crushing workshop is located above the belt conveyor connecting the coarse crushing workshop and the semi-finished product area. The dust from the dust collector in the coarse crushing workshop is transported to the semi-finished product material area; the outlet of the dust collector in the desilting screen workshop is located at the entrance of the belt conveyor connecting the desilting screen workshop and the discard area. The belt conveyor removes dust in the desilting screen workshop. The dust from the dust collector is transported to the discard area; the outlet of the dust collector in the medium and fine crushing processing area is located above the belt conveyor connecting the medium and fine crushing processing area and the first screening area. The belt conveyor transports the dust from the dust collector in the medium and fine crushing processing area. to the first screening area; the shaping area dust collector, the first screening area dust collector, and the second screening area dust collector are connected to the powder bin through a dust conveying system, and the dust conveying system transports the dust to the powder bin; the finished product is loaded into the truck The bin dust collector is located at the top of the finished product loading bin, and the dust is collected by the dust collecting bulk machine at the bottom of the finished product loading bin; there is a dust collector on the top of each powder bin, and the dust is collected by the dust collecting bulk machine at the bottom of the powder bin. 2. The ventilation and dust removal system of the construction aggregate production line according to claim 1, characterized in that: the dust conveying system includes a pneumatic conveying system, a first scraper conveying system, and a second scraper conveying system. The pneumatic conveying system It is connected with the dust collector of the shaping area and transports the dust of the shaping area to the third powder bin. The first scraper conveying system is connected with a dust collector of the screening area and carries out dust removal of the screening area. The second scraper conveying system is connected with the dust collector of the screening area. The second screen zone dust collector is connected and carries out dust transportation in the second screen zone. The second scraper conveying system is connected with the first scraper conveying system to transport dust in the second screen zone. The first scraper conveying system simultaneously transports dust in the first screen zone and the second screen zone. The divided dust is then lifted to the first powder bin and the second powder bin through a bucket elevator. 3. The ventilation and dust removal system of the construction aggregate production line according to claim 1, characterized in that: the coarse crushing workshop is equipped with a raw material warehouse, a heavy-duty rod feeder, a jaw crusher, a raw material warehouse, a heavy-duty rod feeder, and a jaw crusher. There are two feeders and two jaw crushers. The raw material bin, heavy rod feeder and jaw crusher are connected in sequence. The coarse crushing workshop is connected through the first belt conveyor and the mud removal screen workshop. The coarse crushing workshop is also connected to the semi-finished material area through the second belt conveyor. The corresponding heavy-duty rod feeder is unloaded inside the raw material bin, the material receiving port of the heavy-duty rod feeder, the feed port of the jaw crusher, and the first belt conveyor. Dust removal points are arranged at the material receiving point of the material port and the material receiving point on the second belt conveyor corresponding to the jaw crusher discharge port. Dust removal points are arranged inside the raw material bin, the material receiving port of the heavy-duty rod feeder, and the jaw crusher inlet. The dust removal point uses a dry mist dust suppression system for dust removal. The dust removal points of the two belt conveyors are connected to the feed inlet of the dust collector in the coarse crushing workshop through pipelines. The discharge point of the dust collector in the coarse crushing workshop is located above the second belt conveyor. 4. The ventilation and dust removal system of the construction aggregate production line according to claim 3, characterized in that: the mud removal screen workshop is equipped with a mud removal vibrating screen, and a discard area is provided outside the mud removal screen workshop. The workshop is connected to the semi-finished product material area through the second belt conveyor. At the same time, the mud removal screen workshop is connected to the discard area through the third belt conveyor. The discharge port of the first belt conveyor, the screen surface of the mud removal vibrating screen, and the second belt conveyor correspond to the Dust removal points are arranged at the material receiving point of the mud vibrating screen and the material receiving point of the third belt conveyor. Each dust removal point is connected to the feed port of the dust collector in the mud removal screen workshop through pipelines. The discharge of the dust collector in the mud removal screen workshop The point is located above the third tape conveyor. 5. The ventilation and dust removal system of the construction aggregate production line according to claim 4, characterized in that: the medium and fine crushing and shaping workshop includes a medium and fine crushing processing area and a shaping area, and the medium and fine crushing processing area dust collector and the shaping area dust collector are respectively arranged in In the medium and fine crushing processing area and the shaping area, the medium and fine crushing processing area includes a medium crushing processing area and a fine crushing processing area. The medium crushing processing area includes a medium crushing buffer bin and a medium crushing cone crusher. The fine crushing processing area includes a fine crushing buffer bin and Fine crushing cone crusher, the said medium crushing cone crusher has two and shares a medium crushing buffer chamber, the said tertiary cone crusher has two and shares a fine crushing buffer chamber, the discharge points of the two medium crushing cone crushers The sixth belt conveyor is connected to the first pre-screening machine of the first screening section. The discharge points of the two fine cone crushers are connected to the second pre-screening machine and the third pre-screening machine of the first screening section through the tenth belt conveyor. , there are dust removal points arranged at the discharge port of the fifth belt conveyor, the material inlet of the medium crushing cone crusher, the material receiving port of the sixth belt conveyor, the material inlet of the fine cone crusher, and the material receiving port of the tenth belt conveyor, and each dust removal point is The point is connected to the feed inlet of the dust collector in the medium and fine crushing processing area through a pipeline. The dust collector in the medium and fine crushing processing area spans the sixth belt conveyor and the tenth belt conveyor and is arranged on both the sixth belt conveyor and the tenth belt conveyor. Discharge point. 6. The ventilation and dust removal system of the construction aggregate production line according to claim 5, characterized in that: the shaping area includes a shaping sand making buffer bin and a vertical shaft impact crusher. There are three vertical shaft impact crushers and one is shared. The shaping sand making buffer bin is equipped with a branching chute for diverting unshaped materials. The shaping sand making buffer bin is connected to the feed port of the vertical shaft impact crusher through a twelfth belt conveyor. The branch chute of the shaping sand making buffer bin and the outlet of the vertical shaft impact crusher are connected to at least one of the thirteenth belt conveyor, the fourteenth belt conveyor, and the fifteenth belt conveyor. The thirteenth belt conveyor , the 14th belt conveyor, the 15th belt conveyor are connected with the second screening area, at the feed port and discharge port of the 12th belt conveyor, the feed port and discharge port of the vertical shaft impact crusher, the 13th belt conveyor The material receiving port, the fourteenth belt conveyor material receiving port, and the fifteenth belt conveyor material receiving port are all equipped with dust removal points, and each dust removal point is connected to the feed port of the dust collector in the shaping area through pipelines. 7. The ventilation and dust removal system of the construction aggregate production line according to claim 6, characterized in that: the screening workshop includes a first screening section and a second screening section, and the first screening section dust collector and the second screening section dust collector are respectively arranged in a In addition to the screening area and the second screening area, the first screening area includes a first pre-screening machine, a second pre-screening machine, and a third pre-screening machine arranged in parallel. The three pre-screening machines all include three-layer screens arranged up and down. And a non-powered powder selection device is equipped at the bottom. The upper screen materials of the three pre-screening machines and the screen upper materials of the middle screen are connected to the seventh belt conveyor through the discharging channel. The seventh belt conveyor is connected to the ninth belt conveyor. The machine is connected and the ninth belt conveyor is connected to the fine crushing buffer bin. The screen materials on the lower screen of the three pre-screening machines are connected to the eighth belt conveyor through the discharge channel. The eighth belt conveyor is connected to the eleventh belt conveyor and the The eleventh belt conveyor is connected to the shaping sand making buffer bin, the unpowered powder selection device under the pre-screening machine is connected to the twenty-first belt conveyor and the twenty-first belt conveyor is connected to the finished product warehouse six, and the ninth belt conveyor is unloaded. A dust removal point is arranged at the outlet and is connected to the feed port of the dust collector in the medium and fine crushing processing area through a pipeline. A dust removal point is arranged at the discharge port of the eleventh belt conveyor and is connected to the dust collector in the shaping area through a pipeline. The feed port is connected to the discharge port of the sixth belt conveyor, the discharge port of the tenth belt conveyor, the screen surface of the three pre-screening machines, the material receiving port of the seventh belt conveyor, the material receiving port of the ninth belt conveyor, the eighth belt conveyor The material receiving port and discharge port of the machine, the material receiving port of the eleventh belt conveyor, and the material receiving port of the twenty-first belt conveyor are all equipped with dust removal points, and each dust removal point is connected to the feed port of a screening zone dust collector through pipelines . 8. The ventilation and dust removal system of the construction aggregate production line according to claim 7, characterized in that: the two screening zones are equipped with two sets of screening machines, an upper and lower set of screening machines, a total of six screening machines, and the upper set of screening machines and the lower set of screening machines are both It includes three screening machines set up in parallel. Each screening machine includes three layers of screens set up and down and is equipped with a non-powered powder selection device at the bottom. The upper set of screening machines and the lower set of screening machines pass through screens with different apertures. The upper screen mesh of the upper set of screening machines is connected to the 16th belt conveyor through the discharging channel, and the middle screen mesh sieve feeding material is connected to the 17th belt conveyor through the discharging channel. The sixteenth belt conveyor and the seventeenth belt conveyor are connected to the finished product warehouse one and the finished product warehouse two respectively. The lower screen of the upper set of screening machines is connected to the upper screen of the lower set of screening machines through the chute. The upper set of screening machines The lower screen material is connected to the unpowered powder selection device through the 22nd belt conveyor, the upper screen material of the lower set of screening machines is connected to the 18th belt conveyor through the discharging channel, and the middle screen upper material passes through the discharging channel. Connected to the 19th belt conveyor, the lower screen material is connected to the 20th belt conveyor through the discharging channel. The 18th, 19th and 20th belt conveyors are connected to the finished product warehouse three and the finished product warehouse four respectively. , finished product warehouse five connections, the lower screen of the lower group of screening machines is connected to the unpowered powder selection device through the discharging channel, the unpowered powder selection device at the bottom of the second screening area is connected to the 21st belt conveyor and the second The eleventh belt conveyor is connected to the finished product warehouse six, at the discharge port of the thirteenth belt conveyor, the discharge port of the fourteenth belt conveyor, the discharge port of the fifteenth belt conveyor, the screen surface of each pre-screening machine in the upper and lower groups, The 16th belt conveyor receiving port, the 17th belt conveyor receiving port, the 22nd belt conveyor receiving port, the 18th belt conveyor receiving port, the 19th belt conveyor receiving port, the 20th belt The machine's material receiving port and the twenty-first material receiving port are both equipped with dust removal points, and each dust removal point is connected to the feed port of the second screen zone dust collector through pipelines.