CN203327923U - Fodder automatic production system - Google Patents

Abstract

A fodder automatic production system comprises a plurality of distributing bins. Distributing conveyors are arranged on the lower portions of the distributing bins. A distributing weigher connected with the distributing conveyors is connected with a mixer which is connected with a crusher through a conveying device. The crusher is connected with a fine mixer through an unloader. A fine material adding hopper is arranged above the fine mixer and is connected with the distributing weigher. The fine mixer is connected with a granulator which is connected with a cooler. The cooler is connected with the crusher which is connected with a classifying screen. The classifying screen is connected with a finished product bin. According to the fodder automatic production system, a rotating distributor, the distributing conveyors with the feeding speed controlled by electric control devices and pneumatic valves controlled by the electric control devices are used, so that automation degree is higher, and efficiency is higher. The mode of two-level distribution is used, the balance between the distribution accuracy and the efficiency is guaranteed, the fine material adding hopper is matched with the distributing weigher in the fine mixing process to achieve accurate distribution, and product quality is guaranteed.

Description

Feed automatic production system

technical field

The utility model relates to the field of feed production, in particular to an automatic feed production system.

Background technique

The existing feed production line requires workers to make multiple transfers from raw material feeding to finished product packaging, which has high labor intensity, low degree of automation, and low production efficiency.

Chinese patent 202774073U discloses a feed production line, including a first raw material feeding mechanism, a pre-slagging device connected to the first raw material feeding mechanism, a distributor connected to the pre-slagging device and used to distribute raw materials, and The distributor is connected to several crushing bins for accepting the materials distributed by the distributor, a pulverizer connected to the crushing bin and used for pulverizing materials, connected to the pulverizer and used to store several ingredients of the crushed materials by the pulverizer bin, a mixer connected to the batching bin, several storage bins connected to the mixer, a granulator connected to the storage bin, a grading sieve connected to the granulator, a cooling box connected to the grading sieve and a The cooling box is connected to the packing table. The utility model is compactly connected, and does not require manual transfer during the production process from raw material feeding to finished product packaging. It is integrated and has a high degree of automation, which reduces the labor intensity of workers and improves production efficiency and output. The problem is:

1. The process of crushing first and then mixing is adopted. After crushing first, the dust generated during the transportation and production process is relatively large, and the working environment is poor.

2. Fine dust is easy to block the pipe wall, making it difficult to transport the pipe. And this production line does not solve the problem of dust pollution in the production process.

3. The granulation in this production line is granulation at a temperature of 75-85°C. At this temperature, the feed has not been fully sterilized, and there is a problem that it is easy to cause bacterial contamination.

4. The batching method adopts the batching method of weighing and conveying, and the efficiency is low.

Contents of the invention

The technical problem to be solved by the utility model is to provide an automatic feed production system, which can overcome the defects in the prior art, has a high degree of automation, a good working environment on site, and reliable product quality.

In order to solve the above technical problems, the technical solution adopted by the utility model is: an automatic feed production system, comprising:

Multiple batching bins, the lower part of the batching bin is equipped with a batching conveyor whose feeding speed is controlled by an electronic control device;

The batching scale connected to the batching conveyor is connected to the mixer, and the mixer is connected to the pulverizer through the conveying device;

The pulverizer is connected with the fine mixer through the unloader, and the fine material adding hopper is arranged above the fine mixer;

The fine mixer is connected with the granulator, the granulator is connected with the cooler, the cooler is connected with the crusher, the crusher is connected with the grading screen, and the grading screen is connected with the finished product bin.

The mixer is connected with multiple bins to be crushed through pneumatic tees, and the multiple bins to be crushed are connected with the pulverizer. There is a batching bin between the pulverizer and the bins to be crushed, and an impeller feeder is installed in the batching bin.

There is a bin to be mixed between the unloader and the fine mixer. Pneumatic gates are provided at the lower part of the ingredient scale, bins to be crushed, bins to be mixed and finished product bins. The pneumatic gates are connected to the air compressor, and the air compressor is connected to the electric The device is electrically connected.

The bottom of the finished product warehouse is also connected with the computer packing scale through the pneumatic tee, and the pneumatic tee is also connected with the discharge pipe, and the discharge pipe is equipped with a manual gate.

There are at least two hoists before the batching bin, the hoists are respectively connected with the first screen machine, and a magnetic slag removal device and a rotary distributor are arranged under the first screen machine, and each first screen machine is respectively connected with the batching bin part of the connection.

The entire production process is equipped with multiple elevators, and there are also set up at the feed hopper of each elevator, the upper part of the mixer, the upper part of the first screen machine, the upper part of the unloader, the upper part of the fine mixer, the upper part of the grading screen and the upper part of the computer packing scale. There is a pulse dust collector, or it is connected with the pulse dust collector through the air duct.

The lower part of the centrifugal dust collector and the unloader is equipped with a shut-off fan, and the lower part of the centrifugal dust collector is connected with the fine mixer through the return pipe.

A vibrating device is provided on the return pipe.

The granulator is also in communication with a steam supply.

In the hanging bucket belt conveyor, a plurality of conveying hoppers are equidistantly arranged on the conveying belt, and the upper end surface of the conveying hopper forms a sealing fit with the lower outlet of the batching bin. And control the sensor for opening and closing the pneumatic gate.

The feed automatic production system provided by the utility model has a higher degree of automation and higher efficiency through the use of a rotary distributor, a batching conveyor with an electric control device to control the feeding speed, and a pneumatic gate controlled by each electric control device. . A two-level batching method is adopted. Coarse materials such as corn, wheat bran, bean cake, and rapeseed cake have low requirements on the ratio precision. Batching conveyors are used for batching to ensure the balance between configuration accuracy and efficiency. The advanced concentrate adding hopper cooperates with the batching scale to realize accurate batching and ensure product quality. All parts that are open to dust in the whole process are equipped with pulse dust collectors or connected to pulse dust collectors through air ducts, which greatly improves the environment of the production site. There is also a room for noise reduction and dust collection at the outlet of the fan of the pulse dust collector, which also greatly reduces the noise of the production site.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described:

Fig. 1 is a schematic diagram of the overall structure of the utility model. For ease of viewing, the connection lines of the air compressor, steam supply device and electric control device are not shown.

Fig. 2 is a structural schematic diagram of the batching conveyor in the utility model.

In the figure: feed hopper 1, pulse dust collector 2, elevator 3, first screen machine 4, magnetic slag removal device 5, rotary distributor 6, batching bin 7, mixing device 71, open sensor 72, close sensor 73, Batching conveyor 8, conveying hopper 81, conveying belt 82, batching scale 9, pneumatic gate 10, mixer 11, conveyor 12, air compressor 13, electric control device 14, pneumatic tee 15, bin to be crushed 16, batching Bin 17, Pulverizer 18, Unloader 19, Shutoff Fan 20, Concentrate Adding Hopper 21, Bin to be Mixed 22, Fine Mixer 23, Granulator 24, Cooler 25, Crusher 26, Centrifugal Dust Collector 27 , air duct 28, grading screen 29, finished product warehouse 30, computer packing scale 31, steam supply device 32.

Detailed ways

As shown in Figure 1, a feed automatic production system includes:

Before the batching bin 7, at least two elevators 3 are arranged, and the elevators are respectively connected with the first sieve machine 4, and the first sieve machine 4 is provided with a magnetic slag removal device 5 for removing iron slag in the material and for feeding each ingredient. The rotary distributor 6 supplied by the bin 7, and each first sieving machine 4 is respectively connected with a part of the batching bin 7. A material level device is provided in the batching bin 7, and the stocking situation of the batching bin is controlled through the material level device in the batching bin. With this structure, the storage capacity of each batching bin 7 can be adjusted conveniently. It is convenient to change the ratio of feed.

The bottom of the batching bin 7 is provided with a batching conveyor 8 controlled by an electric control device 14 for feeding speed; since the coarse material in the batching bin 7 does not require high proportioning accuracy, the single-chip microcomputer in the electronic control device 14 or the industrial computer The purpose of controlling the ratio can be achieved by controlling the conveying speed of the batching conveyor 8 with the software. The batching conveyor 8 in this example includes siphon conveyors, screw conveyors, belt conveyors, hanging bucket belt conveyors and buried scraper conveyors. machine etc.

In the hanging bucket belt conveyor, a plurality of conveying hoppers 81 are equidistantly arranged on the conveying belt 82, and the conveying hoppers 81 and the conveying belt 82 are connected by at least one bolt, and a plurality of bolts are arranged along the axis of the pulley In a row, not shown in the figure, it is advisable not to affect the bending of the conveyor belt at the pulley. Usually the distance between the conveying hoppers 81 is as small as possible, and the upper end surface of the conveying hopper 81 forms a sealing fit with the lower outlet of the batching bin 7. The sealing fit between them, when the conveying hopper 81 is full, the raw material can not continue to be discharged, so as to realize the quantitative conveying. A sensor for detecting the conveying hopper 81 and controlling the opening and closing of the pneumatic gate 10 is also provided below the batching bin 7 . That is, after the sensor detects the delivery hopper 81, it sends out a signal, and the electronic control device 14 controls the opening of the pneumatic gate 10, and the electronic control device 14 counts, thereby forming a relatively accurate and controllable raw material delivery amount. Further preferably, an opening sensor 72 and a closing sensor 73 are provided. When the delivery hopper 81 enters the opening below the batching bin 7, the opening sensor 72 sends a signal to control the opening of the pneumatic gate 10, and when the delivery hopper 81 leaves the bottom of the batching bin 7 When opening, the closing sensor 73 sends a signal to control the pneumatic gate 10 to close. Thus, a higher-precision raw material delivery mode of intermittent delivery and counting is formed on the basis of the original continuous delivery and counting mode. In this example, the opening sensor 72 and the closing sensor 73 adopt giant reluctance travel switches, and induction magnets are arranged at corresponding positions of the conveying hopper 81 . Compared with the screw conveyor, the hanging bucket belt conveyor has lower energy consumption and higher precision, and can use raw materials under the condition of smaller inclination angle.

The batching scale 9 connected to the batching conveyor 8 is connected to the mixer 11, and the mixer 11 is connected to the pulverizer 18 through a conveying device;

Specifically: the mixer 11 is connected with the pneumatic tee 15 through the belt conveyor and the elevator 3, the pneumatic tee 15 is connected with a plurality of bins 16 to be crushed, and a plurality of bins 16 to be crushed are connected with the pulverizer 18, and the pulverizer 18 A batching bin 17 is arranged between the bin 16 to be crushed, and an impeller feeder is arranged in the batching bin 17 . During the production process, the bin 16 to be crushed is alternately used to feed the pulverizer 18 to ensure that the pulverizer 18 is fully fed, which improves production efficiency and avoids the dry grinding of the pulverizer 18 due to insufficient material supply. , also improves the quality of the feed. Further, the provided impeller feeder ensures continuous feeding and avoids the phenomenon of arching during the feeding process to interrupt the feeding.

The pulverizer 18 is connected to the fine mixer 23 through the unloader 19, and the fine material adding hopper 21 is arranged above the fine mixing machine 23, and the lower part of the fine material adding hopper 21 is connected to the batching scale 9; the way of batching twice ensures the efficiency and the best balance of accuracy. The unloader 19 described in this example is a centrifugal unloader. This method separates the gas and material, improves the discharge efficiency and reduces dust. The fine mixer 23 in this example adopts a twin-shaft fine mixer.

The fine mixer 23 is connected with the granulator 24, the granulator 24 is connected with the cooler 25, the cooler 25 is connected with the crusher 26, the crusher 26 is connected with the classifying screen 29, and the classifying screen 29 is connected with the finished product bin 30. Preferably, the granulator 24 is also communicated with a steam supply device 32 . The raw materials in the granulation process are sterilized and sterilized by steam. Due to the high temperature of the steam, the viruses and bacteria in the feed can be completely killed, and the quality of the feed is effectively controlled.

Between the unloader 19 and the fine mixer 23, there is a bin 22 to be mixed, and the lower part of the batch scale 9, the bin 16 to be crushed, the bin 22 to be mixed and the finished product bin 30 is provided with a pneumatic gate 10, and the pneumatic gate 10 is connected with the pneumatic gate. Machine 13 is connected, and air compressor 13 is electrically connected with electric control device 14. With this structure, fine automatic control is realized, labor intensity is further reduced, and production efficiency is improved.

The finished product warehouse 30 below is also communicated with the computer packing scale 31 through the pneumatic tee 15, and the pneumatic tee 15 is also communicated with the discharge pipe, and the discharge pipe is provided with a manual gate. Due to this structure, when the computer packing scale 31 breaks down, there is no need to stop the machine for maintenance, and the packing operation can still be carried out without affecting the production.

The whole production process is provided with a plurality of elevators 3, at the feed hopper of each elevator 3, the upper part of the mixer 11, the upper part of the first screen machine 4, the upper part of the unloader 19, the upper part of the fine mixer 23, and the upper part of the grading screen 29 Pack with computer and say 31 tops also are provided with pulse dust collector 2, perhaps communicate with pulse dust collector 2 by air duct 28. With this structure, the dust on the production site is greatly reduced, and the production environment is improved. Preferably, a room for noise reduction and dust collection is provided at the outlet of the fan of the pulse dust collector, which also greatly reduces the noise and outdoor dust emission at the production site.

The lower part of the centrifugal dust collector 27 and the unloader 19 is provided with a shut-off fan 20. The shut-off fan 20 includes a housing, and the housing is provided with rotating blades. The edges of the blades form a sealing fit with the housing, similar to the revolving door structure at the entrance of a large shopping mall. , can facilitate the discharge of raw materials, while blocking a large amount of wind loss. The bottom of the centrifugal dust collector 27 communicates with the fine mixer 23 through a return pipe. A vibrating device is provided on the return pipe. With this structure, the dust generated in the production process can be recycled, and the vibrating device can prevent the accumulation of fine powder on the inner wall of the return pipe and cause blockage.

As shown in Figure 1, the specific production process is: raw materials go through the hoist to the first sieve machine 4, go through the impurity removal and iron removal processes of the first sieve machine 4 and the magnetic slag removal device 5, and pass through the rotary distributor 6. The raw materials are distributed to each batching bin, and there is also a mixing device to prevent arching in the batching bin. The stocking situation of the batching bin is controlled through the material level device in the batching bin. Control the feeding speed of each batching conveyor 8 in the lower part of the batching bin through computer software, and mix the raw materials into the weighing bucket of the batching scale 9 according to various formulas. After the formula ratio is completed, it is mixed for the first time in the mixer 11 through the pneumatic gate 10. Through the conveyor 12 below the mixer, the conveyor 12 in this example is an auger, and is mentioned in the bin 16 to be crushed through the hoist. Through the impeller feeder to the pulverizer for crushing.

The crushed finished product is sent to the hoist by wind through the unloader 19 and is mentioned in the bin to be mixed. The wind network of the pulverizer 18 is equipped with a pulse dust collector 2 . The batch material is controlled by the gate on the top of the mixer to mix in the fine mixer. There is also an inlet above the fine mixer 23 which is the additive inlet, that is, the concentrate adding hopper 21, which is equipped with a gate, batching scale 9, which is a compound scale for small materials, and a pulse dust collector. After the fine mixer 23 is mixed, the material is discharged to the buffer bin below the fine mixer 23 through the gate. Then go through the auger to the hoist to the granulation bin, ready for granulation. Through feeding, steam conditioning and aging to the ring die of the granulator 24 for granulation. The particles that come out are cooled in the cooling chamber through the shut-off fan above the cooler 25. The finished product particles coming out from the cooling machine 25 go through the auger to the hoist and are promoted to the classifying screen 29 for screening, and are automatically packed in the computer packing scale through the feed bin below the classifying screen. The unqualified material under the classifying sieve 29 returns to the granulator 24 for regranulation.

Claims (10)

1. A feed automatic production system, characterized in that it comprises: A plurality of batching bins (7), and the lower part of the batching bin (7) is provided with a batching conveyor (8); The ingredient scale (9) connected to the ingredient conveyor (8) is connected to the mixer (11), and the mixer (11) is connected to the pulverizer (18) through a conveying device; The pulverizer (18) is connected to the fine mixer (23) through the unloader (19), and the fine material adding bucket (21) is arranged above the fine mixer (23); The fine mixer (23) is connected with the granulator (24), the granulator (24) is connected with the cooler (25), the cooler (25) is connected with the crusher (26), and the crusher (26) is connected with the grading screen (29) is connected, and the grading screen (29) is connected with the finished product warehouse (30). 2. An automatic feed production system according to claim 1, characterized in that: the mixer (11) is connected to a plurality of bins to be crushed (16) through a pneumatic tee (15), and a plurality of bins to be crushed (16) ) is connected with the pulverizer (18), a batching bin (17) is arranged between the pulverizer (18) and the bin to be pulverized (16), and an impeller feeder is arranged in the batching bin (17). 3. An automatic feed production system according to claim 2, characterized in that: a bin to be mixed (22) is provided between the unloader (19) and the fine mixer (23), and the ingredients weigh (9 ), the chamber to be crushed (16), the chamber to be mixed (22) and the lower part of the finished product chamber (30) are provided with a pneumatic gate (10), the pneumatic gate (10) is connected with the air compressor (13), and the air compressor (13) It is electrically connected with the electric control device (14). 4. An automatic feed production system according to claim 3, characterized in that: the bottom of the finished product warehouse (30) is also connected to the computer packing scale (31) through the pneumatic tee (15), and the pneumatic tee (15) is also It is connected with the unloading pipe, and there is a manual gate on the unloading pipe. 5. An automatic feed production system according to claim 4, characterized in that: there are at least two elevators (3) before the batching bin (7), and the elevators are respectively connected to the first screen (4) connection, a magnetic slag removal device (5) and a rotary distributor (6) are provided under the first sieve machine (4), and each first sieve machine (4) is respectively connected to a part of the batching bin (7). 6. An automatic feed production system according to claim 5, characterized in that: the entire production process is provided with multiple elevators (3), and at the feeding hoppers of each elevator (3), mixing The upper part of the machine (11), the upper part of the first screen machine (4), the upper part of the unloader (19), the upper part of the fine mixer (23), the upper part of the grading screen (29) and the upper part of the computer packing scale (31) are also equipped with pulse dust removal device (2), or communicate with the pulse dust collector (2) through the air duct (28). 7. An automatic feed production system according to claim 6, characterized in that: the lower part of the centrifugal dust collector (27) and the unloader (19) is provided with a fan (20), and the centrifugal dust collector The lower part of (27) communicates with the fine mixer (23) through the return pipe. 8. An automatic feed production system according to claim 7, characterized in that: said return pipe is provided with a vibrating device. 9. The feed automatic production system according to claim 1, characterized in that: the granulator (24) is also in communication with the steam supply device (32). 10. An automatic feed production system according to any one of claims 1-9, characterized in that: the batching conveyor (8) is a screw conveyor, a belt conveyor or a bucket belt conveyor; In the hanging bucket belt conveyor, a plurality of conveying hoppers (81) are equidistantly arranged on the conveying belt (82), and the upper end surface of the conveying hoppers (81) forms a sealing fit with the lower outlet of the batching bin (7). A sensor for detecting the delivery hopper (81) and controlling the opening and closing of the pneumatic gate (10) is also provided below the batching bin (7).

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