Air gun charging auxiliary discharging device

Abstract

The utility model provides an air gun charging auxiliary discharging device which comprises a discharging hopper, and a vibrator used for discharging in a vibrating mode is installed on the outer wall of a conical barrel on the lower portion of the discharging hopper. An annular air inflation guide pipe is arranged on the periphery of the conical barrel on the lower portion of the discharging hopper, a plurality of air inflation nozzles which are evenly distributed are communicated between the inner side wall of the annular air inflation guide pipe and the outer wall of the conical barrel, and the annular air inflation guide pipe is connected with an air supply device. The bottom of the discharging hopper is connected with a bin pump used for pumping powder. The air gun is adopted to charge air to assist the discharging device, aggregate attached to the wall of the discharging hopper can be blown off, the aggregate is prevented from being attached and accumulated on the hopper wall and blocking the discharging hopper, and therefore the purpose of continuous and efficient discharging of the discharging hopper is achieved, and the discharging stability, safety and production efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of concrete preparation, specifically to a gas cannon gas flushing auxiliary unloading device. BACKGROUND

[0002] At present, in the sandstone processing system, the finished aggregate bin often uses the Lipp bin as a storage tank, but the finished product, especially sand, is easy to be hardened in winter. In the sandstone processing system, the aggregate is generally unloaded through the unloading hopper. Due to the small particle size and high water content of the aggregate, the aggregate often adheres to the wall of the unloading hopper, accumulates and even blocks the unloading hopper. The accumulation of the aggregate will reduce the unloading efficiency of the unloading hopper, and the blockage of the unloading hopper will cause the unloading to stop, greatly reducing the production efficiency. When these situations occur, manual cleaning and dredging are usually required, which brings high-altitude operation and safety risks and other problems. SUMMARY

[0003] In view of the above technical problems, the utility model aims at providing a gas cannon gas flushing auxiliary unloading device. The gas cannon gas flushing auxiliary unloading device can blow off the aggregate adhering to the wall of the unloading hopper, avoid the accumulation and blockage of the aggregate on the hopper wall, and achieve the purpose of continuous and efficient unloading of the unloading hopper, thereby improving the stability, safety and production efficiency of unloading.

[0004] In order to realize the above technical features, the purpose of the utility model is realized as follows: a gas cannon gas flushing auxiliary unloading device, comprising an unloading hopper, a vibrator for vibrating unloading is installed on the outer wall of the lower conical cylinder of the unloading hopper; a ring-shaped gas flushing guide pipe is arranged around the lower conical cylinder of the unloading hopper, a plurality of uniformly distributed gas flushing nozzles are communicated between the inner side wall of the ring-shaped gas flushing guide pipe and the outer wall of the conical cylinder, and the ring-shaped gas flushing guide pipe is connected with a gas supply device; a bin pump for pumping powder is connected to the bottom of the unloading hopper.

[0005] A rubber gas flushing guide pipe is connected to the outer wall of the ring-shaped gas flushing guide pipe, the rubber gas flushing guide pipe is connected with an air cannon, and the air cannon is connected with a bubble controller.

[0006] The rubber gas flushing guide pipe is connected to the outer wall of the ring-shaped gas flushing guide pipe, the rubber gas flushing guide pipe is connected with an air cannon, and the air cannon is connected with a bubble controller.

[0007] A rubber gas flushing guide pipe is connected to the outer wall of the ring-shaped gas flushing guide pipe, the rubber gas flushing guide pipe is connected with an air cannon, and the air cannon is connected with a bubble controller.

[0008] The utility model has the following beneficial effects:

[0009] 1. The gas cannon gas flushing auxiliary unloading device can blow off the aggregate adhering to the wall of the unloading hopper, avoid the accumulation and blockage of the aggregate on the hopper wall, and achieve the purpose of continuous and efficient unloading of the unloading hopper, thereby improving the stability, safety and production efficiency of unloading.

[0010] 2. The belt conveyor described above can be used to transport powdered raw materials.

[0011] 3. The aforementioned air supply device can be used to supply air during the feeding process, thereby dispersing the powder that is blocked inside the feeding hopper.

[0012] 4. The above-mentioned material feeding monitor can be used to monitor the blockage of the feeding hopper, and when a blockage occurs, it generates a blockage signal, thereby controlling the start of the air supply device.

[0013] 5. This air-assisted feeding device is generally used when aggregates are fed through a hopper and are prone to sticking together. The air nozzle of the air cannon is generally installed at the bottom of the hopper in a narrow and easily blocked area, depending on the actual site conditions. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] Fig. 1 This is the front view of the present utility model.

[0016] Fig. 2 This is a top view of the present invention.

[0017] In the diagram: 1. Belt conveyor; 2. Hopper; 3. Vibrator; 4. Annular air duct; 5. Bubble controller; 6. Air cannon; 7. Rubber air duct; 8. Air nozzle; 9. Feeding monitor; 10. Silo pump; 11. Pumping powder. Detailed Implementation

[0018] The embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0019] See Figs. 1-2 An air-assisted feeding device includes a feeding hopper 2. A vibrator 3 for vibratory feeding is installed on the outer wall of the lower conical cylinder of the feeding hopper 2. An annular air-flushing duct 4 is arranged around the lower conical cylinder of the feeding hopper 2. Multiple evenly distributed air nozzles 8 are connected between the inner wall of the annular air-flushing duct 4 and the outer wall of the conical cylinder. The annular air-flushing duct 4 is connected to an air supply device. A hopper pump 10 for pumping powder 11 is connected to the bottom of the feeding hopper 2. By using an air-assisted feeding device, aggregates adhering to the wall of the feeding hopper can be blown off, preventing aggregates from adhering to and accumulating on the hopper wall and clogging the feeding hopper. This achieves continuous and efficient feeding, improving the stability, safety, and production efficiency of the feeding process. During the specific material feeding process, the aforementioned air supply device periodically supplies air to the annular air duct 4, which in turn supplies air to the air nozzle 8, and then supplies air to the hopper 2 through the air nozzle 8, thereby dispersing the powder material that has become blocked inside the hopper 2 to achieve the purpose of feeding.

[0020] Further, the upper of the hopper 2 is provided with a belt conveyor 1 for conveying the powder raw material.

[0021] Further, the air supply device comprises a rubber air blast pipe 7 connected to the outer wall of the annular air blast pipe 4, the rubber air blast pipe 7 is connected with the air cannon 6, and the air cannon 6 is connected with the bubble controller 5. The air supply device can be used for air supply during the feeding process, so that the blocked powder in the hopper 2 is dispersed. During the working process, the air pressure pulse is generated by the air cannon 6, and then the air pressure pulse is supplied to the air blast nozzle 8 through the annular air blast pipe 4, and then the air is blown to the hopper 2 through the air blast nozzle 8, so as to achieve the purpose of feeding.

[0022] Further, the lower conical cylinder of the hopper 2 is connected with the bin pump 10, and the feeding monitor 9 for detecting the blockage is installed. The feeding monitor 9 can be used for monitoring the blockage of the hopper 2, and when the blockage occurs, a blockage signal is generated, and then the air supply device is started, the air pressure pulse is generated by the air cannon 6, and then the air pressure pulse is supplied to the air blast nozzle 8 through the annular air blast pipe 4, and then the air is blown to the hopper 2 through the air blast nozzle 8, so as to achieve the purpose of feeding.

[0023] Example 2:

[0024] The diameter of the narrowest part of the hopper bottom is 200mm; the air cannon parameters are volume 100L, working pressure 0.4-0.8mpa; the vibrator is a three-phase attached concrete vibrator with a power of 0.25KW; the vibration frequency is 2840r / min; the bin pump has a volume of 6 cubic meters and a conveying capacity of 50t / h; and the conveyed aggregate is stone powder.

[0025] The material conveyed by the bin pump conveying system is dry powder, 30% of which has a particle size of not more than 2mm, an allowable single abnormal particle size of <3mm, and a water content of generally less than 3% (hand tight after throwing can be naturally loose), and the adhesion force is smaller. In actual production, when the water content of the stone powder exceeds 2%, the adhesion effect will occur, and the air cannon needs to be started, and the higher the water content, the higher the working frequency of the air cannon.

[0026] The working process and principle of the utility model:

[0027] In the concrete preparation process, the powder raw material is conveyed by the belt conveyor 1, and then the powder is conveyed into the inside of the discharge hopper 2, the vibrator 3 is started, the vibration of the powder is realized by the vibrator 3, the blockage of the discharge hopper 2 can be monitored by the discharge monitor 9, when the blockage occurs, the blockage signal is generated, and then the air supply device is controlled to start, the air pressure pulse is generated by the air cannon 6, the air pressure pulse is supplied to the air jet nozzle 8 by the annular air jet guide pipe 4, the air is blown to the discharge hopper 2 by the air jet nozzle 8, and then the purpose of discharging is achieved, and finally the powder is continuously conveyed to the concrete mixing bin by the bin pump 10 for further preparation of the concrete.

[0028] The utility model discloses use on the discharge hopper, can effectively reduce the adhesion and accumulation effect of aggregate on the discharge hopper wall, avoid blocking the narrow section of discharge hopper, do not need manual cleaning discharge hopper accumulated material, thereby keep the smooth discharge, discharge hopper can continue to work, improve the discharge stability and operation safety. The utility model discloses simple and convenient, low in cost, the effect is remarkable, can be widely used in sand and gravel system and discharge hopper and other related discharge device.

Claims

1. A gas-assisted blanking device of a gas gun, characterized in that, Including the lower hopper (2), the lower part of the conical cylinder outer wall of the lower hopper (2) is provided with a vibrator (3) for vibrating the lower material; The outer wall of the lower part of the conical cylinder of the lower hopper (2) is provided with an annular air injection pipe (4), a plurality of uniformly distributed air injection nozzles (8) are communicated between the inner side wall of the annular air injection pipe (4) and the conical cylinder outer wall, the annular air injection pipe (4) is connected with the air supply device; The bottom of the lower hopper (2) is connected with a bin pump (10) for pumping powder (11).

2. The gas-assisted blanking device of claim 1, wherein: The upper side of the lower hopper (2) is provided with a belt conveyor (1) for conveying powder raw materials.

3. The air cannon assisted blanking device of claim 1, wherein: The air supply device comprises a rubber air injection pipe (7) connected to the outer wall of the annular air injection pipe (4), the rubber air injection pipe (7) is connected with the air gun (6), and the air gun (6) is connected with the bubble controller (5).

4. The air cannon assisted blanking device of claim 1, wherein: The lower part of the conical cylinder of the lower hopper (2) is connected with the bin pump (10) and is provided with a lower material monitoring device (9) for detecting blockage.

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