CN210192862U

CN210192862U - Powder blanking and loading system

Info

Publication number: CN210192862U
Application number: CN201920746848.7U
Authority: CN
Inventors: Weitao Liang; 梁伟涛
Original assignee: Guangdong Zhifu Starch Supply Chain Management Co Ltd
Current assignee: Guangdong Zhifu Starch Supply Chain Management Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-03-27
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a powder blanking loading system, which comprises a silo, a powder shaking-off device, a main blanking channel, a powder conveying device and a plurality of powder bulk loaders, wherein the silo, the powder shaking-off device, the main blanking channel, the powder conveying device and the powder bulk loaders are sequentially connected from top to bottom, and each powder bulk loader is internally provided with an exhaust branch pipe; a plurality of air cannons are annularly distributed on the conical bottom of the silo, the powder shaking-off device comprises a shaking hopper capable of shaking, the shaking hopper is flexibly connected with the lower end of the silo, and the shaking hopper is flexibly connected with the upper end of the main blanking channel. Due to the poor flowability of the edible powder, the falling speed of the edible powder can be increased by arranging the vibration hopper, and the efficiency is improved; meanwhile, the air cannon can break up and bury the edible powder attached to the inner side wall of the silo into 'mouse holes'; in addition, the air cannon can inject external normal-temperature clean air into the silo to cool the interior of the silo.

Description

Powder blanking and loading system

Technical Field

The utility model relates to a shipment system field, in particular to powder blanking loading system.

Background

The existing bulk cement loading system generally loads cement from a cement silo into a tank truck through a bulk loader, but edible powder such as flour, starch and the like is mainly circulated in the market through bagging at present, and the existing bulk cement loading system is not suitable for bulk edible powder due to the fact that the cement and the edible powder have different physical properties such as flowability, temperature resistance and the like.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a powder blanking loading system, this system can be used to the blanking loading of edible powder.

The utility model provides a solution of its technical problem is:

a powder blanking and loading system comprises a silo, a powder shaking-off device, a main blanking channel, a powder conveying device and a plurality of powder bulk loaders, wherein the silo, the powder shaking-off device, the main blanking channel, the powder conveying device and the powder bulk loaders are sequentially connected from top to bottom, and each powder bulk loader is internally provided with an exhaust branch pipe; a plurality of air cannons are annularly distributed on the conical bottom of the silo, the powder shaking-off device comprises a shaking hopper capable of shaking, the shaking hopper is flexibly connected with the lower end of the silo, and the shaking hopper is flexibly connected with the upper end of the main blanking channel.

Furthermore, the lower extreme of silo is equipped with first connecting plate, the upper end of shaking the fill is equipped with the second connecting plate, first connecting plate with the second connecting plate carries out elastic connection through guide pillar and spring, fixedly connected with a plurality of vibrator on the second connecting plate.

Furthermore, a main gate control device is arranged on the main blanking channel.

Further, powder conveyor includes conveying motor, the conveying pipeline of horizontal setting and the long pivot that has helical blade, long pivot is established in the conveying pipeline, conveying motor establishes outside the conveying pipeline and drive long pivot rotates.

In addition, a feed inlet is formed in the top of the material conveying pipeline and is connected with the lower end of the main blanking channel; the bottom of conveying pipeline is equipped with a plurality of discharging channel, every discharging channel's lower extreme all is connected with powder machine in bulk, every discharging channel all is equipped with vice gate control device.

In addition, each lower end of the powder bulk machine is provided with a rotation-resisting material level switch, and the rotation-resisting material level switches are in electric signal connection with corresponding auxiliary gate control devices.

Further, powder blanking loading system still includes the sack cleaner, the sack cleaner intercommunication has the draught fan, and all exhaust branches communicate jointly has the exhaust house steward, the exhaust house steward with the draught fan intercommunication.

Further, a pressure release valve is arranged at the top of the silo.

The utility model has the advantages that: due to the poor flowability of the edible powder, the falling speed of the edible powder can be increased by arranging the vibration hopper, and the efficiency is improved; meanwhile, when the edible powder is discharged, a mouse hole is easily formed in the silo, once the mouse hole collapses, a huge impact force is caused to the bottom of the silo, and the air cannon can break up and bury the edible powder attached to the inner side wall of the silo; in addition, because the edible powder is not resistant to high temperature, the air cannon can also inject external normal-temperature clean air into the silo to cool the interior of the silo. The utility model is used for the shipment of edible powder.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the drawings: 100-silo, 200-powder shaking-off device, 300-main blanking channel, 400-powder conveying device, 500-powder bulk machine, 110-protective fence, 120-air cannon, 210-vibration bucket, 130-first connecting plate, 220-second connecting plate, 201-spring, 221-vibration device, 202-flexible connection, 310-main gate control device, 311-main gate shell, 312-first telescopic device, 410-conveying motor, 420-conveying pipeline, 431-spiral blade, 430-long rotating shaft, 440-discharge channel, 450-auxiliary gate control device, 451-auxiliary gate shell, 452-second telescopic device, 501-bulk head, 510-lifting device, 511-steel cable, 520-exhaust branch pipe, 530-cyclone resistance material level switch, 600-bag dust collector, 610-recovery bin, 620-draught fan, 630-exhaust main pipe, 640-exhaust pipe, 650-air seal machine and 660-powder collection bag.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The utility model provides an each technical feature can the interactive combination under the prerequisite of conflict each other. Finally, it should be noted that the terms "center, upper, lower, left, right, vertical, horizontal, inner, outer" and the like are used herein to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second and third as used herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1 shows a preferred embodiment of a powder blanking and loading system according to the present invention. As shown in the figures, the powder blanking and loading system comprises a silo 100, a powder shaking-off device 200, a main blanking channel 300, a powder conveying device 400 and a plurality of powder bulk machines 500, wherein the bottom of the silo 100 is conical, the silo 100 is fixed on a building in an overhead manner, a ladder stand is arranged on the outer side wall of the silo 100 and can be used for a person to climb the top of the silo 100, and protection fences 110 are arranged around the top of the silo 100 for guaranteeing the life safety of the person. Because the bottom of the silo 100 is conical, when edible powder falls from the outlet of the silo 100, the edible powder at the outlet is accelerated to fall, and the edible powder on the inner side wall of the silo 100 is stagnant, so that a central cavity is formed in the silo 100, which is commonly called a mouse hole in the industry, and the depth of the mouse hole is deeper and deeper along with the continuous blanking of the edible powder, so that once the mouse hole collapses, a huge impact force is caused to the bottom of the silo 100, and a fixed connection structure outside the silo 100 can be broken by impact in severe cases. Therefore, a plurality of air cannons 120 are annularly distributed on the conical bottom of the silo 100, in order to better break up edible powder attached to the inner side wall of the silo 100, the number of the air cannons 120 is preferably four, the air cannons 120 can store compressed air, after a certain pressure or a certain time is reached, the electromagnetic valve of the air cannons 120 is opened, a small amount of compressed air breaks up edible powder attached to the inner side wall of the silo 100, and the formation of a mouse hole is avoided. In order to monitor the temperature in the silo 100, a temperature sensing device is arranged on the inner side wall of the silo 100, the temperature sensing device is in electrical signal connection with the electromagnetic valve of the air cannon 120, and when the temperature in the silo 100 is higher than a certain temperature value, the temperature sensing device controls the electromagnetic valve of the air cannon 120, so that external normal-temperature clean air can be injected into the silo 100, and the temperature in the silo 100 is reduced. Since the air cannon 120 continuously injects the external air into the silo 100, the air pressure in the silo 100 will gradually increase, and in order to discharge the high-pressure air in the silo 100, a pressure relief valve (not shown in the drawing) is arranged at the top of the silo 100, and when the air pressure in the silo 100 reaches a certain value, the pressure relief valve will be pushed open, so as to discharge the air to the outside.

The powder shaking device 200 comprises a shaking bucket 210, the shaking bucket 210 is specifically an inverted cone-shaped hollow structure, the lower end of the silo 100 is provided with a first connecting plate 130, the upper end of the shaking bucket 210 is provided with a second connecting plate 220, the first connecting plate 130 and the second connecting plate 220 are elastically connected through a guide pillar and a spring 201, and the second connecting plate 220 is fixedly connected with a plurality of shaking devices 221; vibrator 221 includes any one of electric vibrator, pneumatic vibrator or the vibrator that surges, because electric vibrator convenient to use, the installation is simple, consequently the utility model discloses a preferred electric vibrator of vibrator 221, vibrator 221's quantity is preferential two, two vibrator 221 symmetry is established on the second connecting plate 220, makes vibrator 210 can shake from top to bottom. Since the position of the shock bucket 210 can be changed, the shock bucket 210 is flexibly connected with the lower end of the silo 100 through a flexible connection 202, and the shock bucket 210 is flexibly connected with the upper end of the main blanking channel 300 through a flexible connection 202. In order to be able to control the break-make of main blanking passageway 300, be equipped with main gate control device 310 on the main blanking passageway 300, main gate control device 310 include main flashboard shell 311, main flashboard and with main flashboard fixed connection's first telescoping device 312, main flashboard shell 311 with main blanking passageway 300 intercommunication, the main flashboard is located in the main flashboard shell 311, first telescoping device 312 includes any one of electric putter, cylinder or pneumatic cylinder, the utility model discloses a first telescoping device 312 is preferred the cylinder, works as when first telescoping device 312 extends, the main flashboard seals main blanking passageway 300, works as when first telescoping device 312 retracts, the main flashboard no longer seals main blanking passageway 300.

The powder conveying device 400 comprises a conveying motor 410, a conveying pipeline 420 arranged transversely, and a long rotating shaft 430 with a helical blade 431, wherein the long rotating shaft 430 is arranged in the conveying pipeline 420, and the conveying motor 410 is arranged outside the conveying pipeline 420 and drives the long rotating shaft 430 to rotate; when the conveying motor 410 drives the long rotating shaft 430 to rotate, the helical blade 431 on the long rotating shaft 430 can push the edible powder to be conveyed forwards. A feed inlet is formed in the top of the material conveying pipeline 420 and connected with the lower end of the main blanking channel 300, so that the edible powder sequentially passes through the silo 100, the vibration hopper 210 and the main blanking channel 300 from top to bottom and falls into the material conveying pipeline 420; the bottom of the material conveying pipeline 420 is provided with a plurality of discharging channels 440, the lower end of each discharging channel 440 is connected with the powder bulk machine 500, in order to improve the loading efficiency of edible powder, the number of the discharging channels 440 is preferably three, and correspondingly, the number of the powder bulk machines 500 is also three. In order to control each discharging channel 440 to open or close, each discharging channel 440 is provided with an auxiliary gate control device 450, the auxiliary gate control device 450 comprises an auxiliary gate plate shell 451, an auxiliary gate plate and a second expansion device 452 fixedly connected with the auxiliary gate plate, the auxiliary gate plate shell 451 is communicated with the discharging channel, the auxiliary gate plate is located in the auxiliary gate plate shell 451, the second expansion device 452 comprises any one of an electric push rod, a cylinder or a hydraulic cylinder, the second expansion device 452 is preferably a cylinder, when the second expansion device 452 expands, the auxiliary gate plate is closed to the discharging channel 440, when the second expansion device 452 retracts, the auxiliary gate plate is no longer closed to the discharging channel 440.

The powder bulk machine 500 is in the prior art, bulk heads 501 at the bottom of the powder bulk machine are stacked layer by layer, a steel cable 511 is driven by a lifting device 510 to lift up and down, an exhaust branch pipe 520 is arranged in each powder bulk machine 500, and when the bulk heads 501 extend into a tank car (not shown in the drawing) and perform blanking and loading, gas in the tank car is discharged through the exhaust branch pipe 520, so that edible powder can smoothly fall into the tank car. In addition, a rotation resistance level switch 530 is disposed at the lower end of each powder bulk machine 500, and the rotation resistance level switches 530 are electrically connected to the second expansion devices 452 of the corresponding sub-gate control devices 450. When edible powder in the tank truck covers the rotation-resistant level switch 530, at the moment, the rotation of the blade of the rotation-resistant level switch 530 is blocked, the resistance is transmitted to the detection device in the rotation-resistant level switch 530, after the detection device outputs a switch signal to the second expansion device 452, the second expansion device 452 extends, so that the corresponding discharge channel 440 is sealed by the auxiliary gate plate, and after all the discharge channels 440 are sealed, the tank truck is indicated to be filled with the edible powder.

At the blanking loading in-process of edible powder, the gas in the tank car passes through exhaust branch pipe 520 is discharged, but is mingled with a small amount of edible powder by the combustion gas, in order to avoid edible powder by direct discharge to the atmosphere, causes environmental pollution, powder blanking loading system still includes sack cleaner 600, sack cleaner 600 includes recovery bin 610, the intercommunication has draught fan 620 on the recovery bin 610, and all exhaust branch pipes 520 common intercommunication has exhaust manifold 630, exhaust manifold 630 with draught fan 620 communicates for gas in all exhaust branch pipes 520 collects in the exhaust manifold 630, and pass through draught fan 620 enters into in the recovery bin 610. Retrieve and be equipped with exhaust pipe 640 on the storehouse 610, the bottom of retrieving storehouse 610 is the back taper, the lower extreme of retrieving storehouse 610 is equipped with retrieves the mouth, it connects relevant wind ware 650 to retrieve the mouth, the exit of air seal machinery 650 is connected with powder and collects bag 660. When the gas mixed with the edible powder enters the recycling bin 610, the edible powder is precipitated at the bottom of the recycling bin 610 because the density of the edible powder is greater than that of the air, and the redundant gas is discharged from the exhaust pipe 640; when the airlock 650 is started, the edible powder at the bottom of the recycling bin 610 can be conveyed into the powder collecting bag 660, so that convenience is brought to users to collect the recycled edible powder.

By adopting the structure, the following steps of blanking and loading the edible powder are as follows:

1. the positions of the three powder bulk machines 500 are lowered, so that all the bulk heads 501 extend into the tank truck;

2. starting the conveying motor 410 to rotate the long rotating shaft 430;

3. opening the main gate plate to enable the edible powder to sequentially pass through the silo 100, the vibration hopper 210 and the main blanking channel 300 from top to bottom and fall into the material conveying pipeline 420, and simultaneously opening all the auxiliary gate plates to enable the edible powder to sequentially pass through the material conveying pipeline 420, the material discharging channel 440 and the powder bulk loader 500 from top to bottom and fall into the tank truck;

4. starting the vibration device 221 to accelerate the falling speed of the edible powder;

5. starting the air cannon 120 once every a period of time to break up the edible powder attached to the inner side wall of the silo 100, so as to avoid forming mouse holes;

6. after all the discharge channels 440 are closed, all the equipment is closed, the positions of the three powder bulk machines 500 are lifted, and finally the powder inlets on the tank trucks are closed.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims

1. The utility model provides a powder blanking loading system which characterized in that: the powder bulk machine comprises silos, a powder shaking-off device, a main blanking channel, a powder conveying device and a plurality of powder bulk machines, wherein the silos, the powder shaking-off device, the main blanking channel, the powder conveying device and the powder bulk machines are sequentially connected from top to bottom, and each powder bulk machine is internally provided with an exhaust branch pipe; a plurality of air cannons are annularly distributed on the conical bottom of the silo, the powder shaking-off device comprises a shaking hopper capable of shaking, the shaking hopper is flexibly connected with the lower end of the silo, and the shaking hopper is flexibly connected with the upper end of the main blanking channel.

2. The powder blanking loading system of claim 1, wherein: the lower extreme of silo is equipped with first connecting plate, the upper end of shaking the fill is equipped with the second connecting plate, first connecting plate with the second connecting plate carries out elastic connection through guide pillar and spring, fixedly connected with a plurality of vibrator on the second connecting plate.

3. The powder blanking loading system of claim 1, wherein: and a main gate control device is arranged on the main blanking channel.

4. The powder blanking loading system of claim 1, wherein: the powder conveying device comprises a conveying motor, a conveying pipeline transversely arranged and a long rotating shaft with a helical blade, wherein the long rotating shaft is arranged in the conveying pipeline, and the conveying motor is arranged outside the conveying pipeline and drives the long rotating shaft to rotate.

5. The powder blanking loading system of claim 4, wherein: a feed inlet is formed in the top of the material conveying pipeline and connected with the lower end of the main blanking channel; the bottom of conveying pipeline is equipped with a plurality of discharging channel, every discharging channel's lower extreme all is connected with powder machine in bulk, every discharging channel all is equipped with vice gate control device.

6. The powder blanking loading system of claim 5, wherein: and the lower end of each powder bulk machine is provided with a rotation-resistant material level switch, and the rotation-resistant material level switches are in electric signal connection with corresponding auxiliary gate control devices.

7. The powder blanking loading system of claim 1, wherein: still include the sack cleaner, the sack cleaner intercommunication has the draught fan, and all exhaust branches communicate jointly has the exhaust house steward, the exhaust house steward with the draught fan intercommunication.

8. The powder blanking loading system of claim 1, wherein: and a pressure release valve is arranged at the top of the silo.