CN204816681U - Energy -efficient aggregate production line for concrete - Google Patents

Abstract

The utility model relates to an aggregate production line for high-efficiency and energy-saving concrete. The material receiving port of the crusher, the apron feeder, the hammer impact crusher, the hoist and the first-stage vibrating screen are sequentially connected, and the first-stage vibrating screen There is a first-level coarse material outlet, a first-level medium material outlet and a first-level fine material outlet, and the three outlets are respectively connected with the crusher, the first silo and the second-level vibrating screen; the second-level vibrating screen is equipped with There are secondary coarse material outlets, secondary medium material outlets and secondary fine material outlets, and the three outlets are respectively connected with the second silo, the third silo and the fourth silo. The utility model adopts the optimization scheme of high-efficiency crusher, hoist conveying and screening machine arranged on the top of the silo, which greatly simplifies the process, greatly reduces the number of equipment and dust points, and adopts the DCS centralized automatic control scheme, Therefore, the high efficiency and energy saving of the utility model has the advantages of less manpower, less land occupation, low investment, and low energy consumption.

Description

A high-efficiency energy-saving aggregate production line for concrete

technical field

The utility model relates to the field of material processing, in particular to a high-efficiency energy-saving aggregate production line for concrete.

Background technique

The current situation of the sand and gravel industry is still dominated by non-scale production. Under the new background of promoting the development of a new type of "industry-information-industry" strategy, the guiding direction of a series of policies and norms issued intensively from the country to the locality in the sand and gravel industry is mainly reflected in the following aspects: 1. Scale has become the mainstream. Second, greening is the direction. 3. Machine-made gravel is the main force. Fourth, reasonable and legal exploitation is the premise. Fifth, industrialization has become a trend. In this context, the industry has accelerated the closure of small-scale aggregate production lines that are more polluting.

And the existing small polluting aggregate line: low production capacity and high energy consumption. No dust collection facilities, serious environmental pollution;

Existing large-scale environment-friendly aggregate production line: the aggregate line currently being designed or put into production, due to the use of secondary crushing, crushers and vibrating screens are all arranged on the ground, and belt conveyors are used to transport materials in all links. There are many (generally a production line is equipped with more than 10), there are many dust points, and there are many corresponding dust collectors (more than 12). Although the pollution to the environment is avoided, the process is complicated and the efficiency is low.

Utility model content

The utility model provides a high-efficiency and energy-saving aggregate production line for concrete. The technical problems to be solved are the problems of high energy consumption, serious environmental pollution, complex equipment and large occupied area of the existing aggregate production line.

The technical scheme that the utility model solves the problems of the technologies described above is as follows:

The utility model provides an aggregate production line for high-efficiency energy-saving concrete. The aggregate production line for high-efficiency energy-saving concrete includes a crusher receiving port, a feeder, a crusher, a hoist, a primary vibrating screen, a secondary vibrating screen, The first silo, the second silo, the third silo, the fourth silo and the dust collector, the crusher receiving port, the feeder, the crusher, the hoist are sequentially connected with the primary vibrating screen, wherein ,

The first-level vibrating screen is provided with three outlets: a first-level coarse material outlet, a first-level medium material outlet and a first-level fine material outlet. The first-level coarse material outlet is connected to the feeder, and the first-level medium material outlet It is connected with the first silo, and the first-level fine material outlet is connected with the second-level vibrating screen;

The secondary vibrating screen is provided with three outlets, the secondary coarse material outlet, the secondary medium material outlet and the secondary fine material outlet. The secondary coarse material outlet communicates with the second silo. The material outlet is connected with the third silo, and the secondary fine material outlet is connected with the fourth silo;

The dust collector is provided with a dust inlet and a dust outlet, and the first-level vibrating screen, the second-level vibrating screen and the third silo are provided with pipelines, which are arranged on the first-level vibrating screen, the second-level vibrating screen and the third The pipeline on the silo is connected with the dust inlet of the dust collector, and the dust outlet of the dust collector is connected with the fourth hopper;

The utility model adopts an ultra-short process scheme, which greatly simplifies the process and reduces the number of equipment and dust points.

Preferably, the primary vibrating screen communicates with the first silo through a sealed chute; the secondary vibrating screen communicates with the second silo through a sealed chute; the secondary vibrating screen communicates with the second silo through a sealed chute. The third silo is connected; the secondary vibrating screen is connected with the fourth silo through a closed chute. The vibrating screen is arranged above the silo and the material flows into the silo through the chute by gravity, which not only reduces the The occupied area of the equipment saves the conveying equipment and avoids the waste of energy.

Preferably, the first-stage fine material outlet is connected to the second-stage vibrating screen through the feed inlet of the belt conveyor with a large inclination angle, thereby shortening the distance between the two screening machines and reducing the floor space of the entire equipment.

Preferably, the first silo, the second silo, the third silo and the fourth silo are all square silos, and the square silos are concrete frames surrounded by steel plates or concrete walls, and the silos The volume is designed according to the proportion of the four kinds of aggregates, which improves the utilization rate of the silo compared with the common type of four kinds of aggregates with the same volume design. The inner wall of the square silo is provided with through vents, so that the four silos only use one outlet to collect dust.

Preferably, the lower ends of the first silo, the second silo, the third silo, and the fourth silo are equipped with retractable discharge openings, and the ground corresponding to the discharge openings is equipped with electronic The weighbridge, the material discharge port can realize automatic material loading and loading, so as to facilitate the subsequent use of materials, save labor and improve efficiency.

Preferably, the elevator is provided with a feed inlet, and the inlet is equipped with a gate valve. When the elevator and the subsequent vibrating screen fail to stop, the gate valve will be automatically closed to prevent the material from flowing into the crusher. Crushing the crusher to death avoids the labor of manual cleaning.

Preferably, the hoist is a plate chain hoist; the feeder is a plate feeder; the crusher is a hammer impact crusher; the motor of the hammer impact crusher is an energy-saving permanent Magnetic motor; the dust collector is a combined dust collector, which uses a high-efficiency and energy-saving hammer impact crusher and an energy-saving permanent magnet motor for the crusher, which reduces the energy consumption of the entire set of equipment and makes it more energy-saving and environmentally friendly. As for the high-efficiency and energy-saving heavy hammer impact crusher, one crusher can replace the three common crushers, and its installed power is only 50% of that of the three common crushers. The permanent magnet motor equipped with the crusher is It has high efficiency and is directly connected with the shaft of the crusher, which can increase the efficiency by more than 20% compared with the conventional motor.

Preferably, the aggregate production line for high-efficiency and energy-saving concrete includes a distributed control system (i.e. DCS fully automatic control) and a plurality of monitoring cameras, wherein the distributed control system is used to control the receiving port of the crusher, the feeder, the crushing Machine, hoist, primary vibrating screen, secondary vibrating screen, first silo, second silo, third silo, fourth silo, dust collector, feeding port and monitoring camera; the multiple Surveillance cameras are used to monitor the receiving port of the crusher, feeder, crusher, elevator, primary vibrating screen, secondary vibrating screen, the first silo, the second silo, the third silo, and the fourth material The silo, dust collector and discharge port can be used to monitor all production links in the control room, which improves production efficiency and saves labor.

The beneficial effects of the utility model are: the high-efficiency energy-saving aggregate production line for concrete of the utility model arranges the screening machine on the top of the silo and adopts the scheme of the hoist: four of the six kinds of materials at the outlet of the two screening machines are slipped to In silos or equipment, no conveying equipment is required. Using the hoist scheme, only one hoist is used from the exit of the crusher to the primary screening machine, thus greatly reducing the number of conveying equipment, reducing the number of dust collecting equipment, reducing the floor space and reducing investment.

Aiming at the status quo of the industry, the utility model adopts an ultra-short process scheme on the premise of ensuring normal production and dust collection, which greatly simplifies the process, reduces the number of equipment and dust points, and adopts a high-efficiency and energy-saving heavy hammer impact crusher and The energy-saving permanent magnet motor for the crusher adopts the DCS centralized automatic control scheme, so that the high efficiency and energy saving of the utility model has the advantages of less manpower, less land occupation, low investment and low energy consumption.

Description of drawings

Fig. 1 is a structural schematic diagram of an aggregate production line for high-efficiency and energy-saving concrete of the present invention.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

As shown in Figure 1, a high-efficiency and energy-saving aggregate production line for concrete includes a crusher receiving port 1, a feeder 2, a crusher 3, a hoist 4, a primary vibrating screen 5, a secondary vibrating screen 7, and a secondary vibrating screen. A silo 6, a second silo 8, a third silo 9, a fourth silo 10 and a dust collector 11, the crusher receiving port 1, feeder 2, crusher 3, hoist 4 and The primary vibrating screen 5 is connected successively, wherein,

The first-level vibrating screen 5 is provided with three outlets: a first-level coarse material outlet, a first-level medium material outlet and a first-level fine material outlet. The first-level coarse material outlet is connected to the feeder 2, and the first-level medium The material outlet is connected with the first silo 6, and the first-level fine material outlet is connected with the second-level vibrating screen 7;

The secondary vibrating screen 6 is provided with three outlets of the secondary coarse material outlet, the secondary medium material outlet and the secondary fine material outlet, and the secondary coarse material outlet communicates with the second feed bin 8, and the secondary The middle-level material outlet is connected with the third silo 9, and the secondary fine material outlet is connected with the fourth silo 10;

The dust collector 11 is provided with a dust inlet and a dust outlet, and the first-level vibrating screen 5, the second-level vibrating screen 7 and the third silo 9 are provided with pipelines, which are arranged on the first-level vibrating screen 5 and the second-level vibrating screen. The pipeline on the vibrating screen 7 and the third silo 9 communicates with the dust inlet of the dust collector 11 , and the dust outlet of the dust collector 11 communicates with the fourth silo 10 .

In addition, the primary vibrating screen 5 communicates with the first silo 6 through a sealed chute; the secondary vibrating screen 7 communicates with the second silo 8 through a sealed chute; the secondary vibrating screen 7 passes through The sealed chute communicates with the third silo 9; the secondary vibrating screen 7 communicates with the fourth silo 10 through the airtight chute;

The fine material outlet of the primary vibrating screen is connected with the entrance of the secondary vibrating screen through a large-inclination belt conveyor; the first silo, the second silo, the third silo and the fourth silo are all square silos , the square silo is a concrete frame room surrounded by steel plates or concrete walls, and the inner wall of the square silo is provided with through vents;

The lower ends of the first feed bin 6, the second feed bin 8, the third feed bin 9 and the fourth feed bin 10 are all equipped with retractable feeding openings 12, and the ground corresponding to the feeding openings 12 is provided with There is an electronic weighbridge 13, and the feeding port can realize automatic loading and unloading, thereby facilitating the subsequent use of materials, saving labor and improving efficiency.

The feed inlet of the hoist 4 is provided with a gate valve. When the hoist and the subsequent vibrating screen fail to stop, the gate valve will be automatically closed to prevent the material from flowing into the crusher and crushing the crusher.

The hoist 4 is a plate chain hoist; the feeder 2 is a plate feeder; the crusher 3 is a hammer impact crusher; the motor of the hammer impact crusher is an energy-saving permanent The magnetic motor; the dust collector 11 is a combined dust collector; the high-efficiency and energy-saving hammer impact crusher, one of which can replace three ordinary crushers, and its installed power is only three 50% of the first crusher, the permanent magnet motor equipped with the crusher has high efficiency and is directly connected with the crusher shaft, which can increase the efficiency by more than 20% compared with the conventional motor.

The aggregate production line for high-efficiency and energy-saving concrete includes a distributed control system (i.e. DCS automatic control) and a plurality of monitoring cameras. The distributed control system is used to control the crusher receiving port, feeder, crusher, A primary vibrating screen, a secondary vibrating screen, a first silo, a second silo, a third silo, a fourth silo, a dust collector, a feeding port and a surveillance camera, and the multiple surveillance cameras are used for Monitor the receiving port of the crusher, the feeder, the crusher, the hoist, the primary vibrating screen, the secondary vibrating screen, the first silo, the second silo, the third silo, the fourth silo, and the dust collector And the feeding port, so that all production links can be fully monitored in the control room, which improves production efficiency and saves labor.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (8)

1. an energy-efficient the reinforcement of concrete aggregate production line, it is characterized in that, comprise disintegrating machine receiving opening (1), feeding machine (2), disintegrating machine (3), elevator (4), primary vibration sieve (5), secondary vibration sieve (7), the first feed bin (6), the second feed bin (8), the 3rd feed bin (9), the 4th feed bin (10) and dust-precipitator (11), described disintegrating machine receiving opening (1), feeding machine (2), disintegrating machine (3), elevator (4) sieve (5) and are connected successively with primary vibration, wherein

Described primary vibration sieve (5) is provided with material outlet and the outlet of one-level fines in the outlet of one-level coarse fodder, one-level, described one-level coarse fodder outlet is connected with feeding machine (2), in described one-level, material outlet is connected with the first feed bin (6), and described one-level fines outlet is sieved (7) with secondary vibration and is connected;

Described secondary vibration sieve (7) is provided with material outlet and the outlet of secondary fines in the outlet of secondary coarse fodder, secondary, described secondary coarse fodder outlet is connected with the second feed bin (8), in described secondary, material outlet is connected with the 3rd feed bin (9), and described secondary fines outlet is connected with the 4th feed bin (10);

Described dust-precipitator (11) is provided with dust inlet and dust export, described primary vibration sieve (5), secondary vibration sieve (7) and the 3rd feed bin (9) are equipped with pipeline, be located at primary vibration sieve (5), secondary vibration sieve (7) is connected with the dust inlet of dust-precipitator (11) with the pipeline on the 3rd feed bin (9), the dust export of described dust-precipitator (11) is connected with the 4th feed bin (10).

2. according to the energy-efficient the reinforcement of concrete aggregate production line described in claim 1, it is characterized in that, described primary vibration sieve (5) is connected with the first feed bin (6) by the chute of sealing; Described secondary vibration sieve (7) is connected with the second feed bin (8) by the chute of sealing; Described secondary vibration sieve (7) is connected with the 3rd feed bin (9) by the chute of sealing; Described secondary vibration sieve (7) is connected with the 4th feed bin (10) by airtight chute.

3. according to the energy-efficient the reinforcement of concrete aggregate production line described in claim 1, it is characterized in that, the outlet of described one-level fines to be sieved with secondary vibration by inclination angle belt conveyor and is connected.

4. according to the energy-efficient the reinforcement of concrete aggregate production line described in claim 1, it is characterized in that, described first feed bin, the second feed bin, the 3rd feed bin and the 4th feed bin are square feed bin, described square feed bin is for surround between concrete frame with steel plate or concrete walls, and the feed bin inwall of described square feed bin is provided with through ventilating opening.

5. according to the energy-efficient the reinforcement of concrete aggregate production line described in claim 1, it is characterized in that, telescopic feed opening (12) is all equipped with in the lower end of described first feed bin (6), the second feed bin (8), the 3rd feed bin (9) and the 4th feed bin (10), and the ground corresponding with described feed opening (12) is provided with electronic loadometer (13).

6., according to the energy-efficient the reinforcement of concrete aggregate production line described in claim 1, it is characterized in that, described elevator (4) is provided with charging aperture, and described charging aperture is equipped with slide valve.

7., according to the energy-efficient the reinforcement of concrete aggregate production line described in claim 1, it is characterized in that, described elevator (4) is board chain hoisting machine; Described feeding machine (2) is plate-type feeding; Described disintegrating machine (3) is weight impact breaker; The motor of described weight impact breaker is energy-saving permanent magnet motor; Described dust-precipitator (11) is associating dust-precipitator.

8. the energy-efficient the reinforcement of concrete aggregate production line according to any one of claim 1-7, is characterized in that, also comprise Distributed Control System and multiple monitoring camera, wherein,

Described Distributed Control System is used for controlled fragmentation machine receiving opening (1), feeding machine (2), disintegrating machine (3), elevator (4), primary vibration sieve (5), secondary vibration sieve (7), the first feed bin (6), the second feed bin (8), the 3rd feed bin (9), the 4th feed bin (10), dust-precipitator (11), feed opening (12) and monitoring camera;

Described multiple monitoring camera is respectively used to monitoring disintegrating machine receiving opening (1), feeding machine (2), disintegrating machine (3), elevator (4), primary vibration sieve (5), secondary vibration sieve (7), the first feed bin (6), the second feed bin (8), the 3rd feed bin (9), the 4th feed bin (10), dust-precipitator (11) and feed opening (12).