Efficient air conveying system for processing ultra-fine calcium carbonate

Abstract

The utility model discloses an efficient air conveying system for processing ultra-fine calcium carbonate, which is characterized in that a blanking control valve is arranged on a blanking pipe, the rear end of the blanking pipe is connected with a main conveying pipe, the front end of the main conveying pipe is connected with a front-end fan, the main conveying pipe is connected with a plurality of conveying branch pipes, and the conveying branch pipes are connected with an air blower. According to the efficient air conveying system for ultra-fine calcium carbonate processing, the situation that in the prior art, in the actual use process, tail gas at the rear end is still directly exhausted as waste gas, waste of aerodynamic force and air pressure is caused, and noise is large is improved; by arranging the air suction pump and the return pipe, the whole air conveying system is integrally closed, the pressure loss in the conveying process can be reduced, the conveying efficiency can be improved, the energy consumption can be reduced, the closed system can reduce low-frequency noise in the equipment production process to a certain extent, and noise pollution is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air conveying equipment, in particular to a high-efficiency air conveying system for processing ultrafine calcium carbonate. Background Art

[0002] At present, China Patent No.: CN202022031273.6 discloses a powder raw material air delivery system for compound food additive production, including a fixed box, a total storage bin is fixed on the top of the fixed box, a feeding device is arranged at the bottom of the total storage bin, a feeding pipe is fixed on the top of the total storage bin, a sub-storage bin is arranged on one side of the total storage bin, the feeding device includes a feeding pipe, a driving motor 2 is fixed at one end of the feeding pipe, a screw 2 is installed at the output end of the driving motor 2, a discharge pipe is fixed at the bottom of the other end of the feeding pipe, a fan is installed inside the fixed box, a total delivery pipe is installed at the output end of the fan, and the bottom of the discharge pipe is fixed to the top of the total delivery pipe, a filter is fixed inside the fixed box, and a protective net is arranged on one side of the fixed box. The utility model can perform multi-layer filtration on the air entering the fan to prevent dust from entering the additive, can quantitatively deliver food additives in the total delivery pipe, and improve the convenience of delivering additives. However, in actual use, the prior art still has the problem that the rear-end tail gas is directly discharged as exhaust gas, resulting in waste of aerodynamic force and air pressure and relatively loud noise. Utility Model Content

[0003] Therefore, in view of the above problems, the utility model proposes a high-efficiency air delivery system for ultra-fine calcium carbonate processing, which solves the technical problem that the rear-end tail gas is still directly discharged as waste gas during actual use in the prior art, resulting in waste of pneumatic force and air pressure and relatively high noise.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-efficiency air delivery system for ultra-fine calcium carbonate processing, whose structure includes a feed hopper, a feed control valve, a front-end fan, a main conveying pipe, a conveying branch pipe, a branch pipe control valve, a powder separator, an exhaust filter, and an air suction pump. A feed hopper is arranged at the lower end of the feed hopper, a feed control valve is arranged on the feed hopper, a rear end of the feed hopper is connected to the main conveying pipe, a front end of the main conveying pipe is connected to the front-end fan, the main conveying pipe is connected to a plurality of conveying branch pipes, each of the conveying branch pipes is provided with a branch pipe control valve for controlling its switch, the conveying branch pipe is connected to the powder separator, an output port is arranged at the lower end of the powder separator, a separator exhaust pipe is arranged at the upper end of the powder separator, the separator exhaust pipe is connected to the exhaust filter, the rear end of the exhaust filter is connected to the air suction pump, and the air suction pump is connected to the air inlet end of the front-end fan through a reflux pipe.

[0005] Furthermore, the branch pipe control valve is a solenoid valve structure, and a brass valve plate is used on the branch pipe control valve.

[0006] Furthermore, the rear end of the exhaust filter is connected to an exhaust branch pipe, a plurality of exhaust branch pipes are connected to an exhaust main pipe, and the air suction pump is arranged at the end of the exhaust main pipe.

[0007] Furthermore, a control valve for controlling the switch is arranged on the exhaust branch pipe.

[0008] Furthermore, the main delivery pipe and the delivery branch pipe are both provided with pressure detectors for detecting the current pressure in the pipeline.

[0009] By adopting the above-mentioned technical scheme, the beneficial effects of the utility model are as follows: the high-efficiency air delivery system for ultra-fine calcium carbonate processing improves the existing technology in which the rear-end tail gas is still directly discharged as waste gas during actual use, resulting in waste of aerodynamic force and air pressure, and relatively loud noise. By arranging an air suction pump and a return pipe, the entire air delivery system is closed as a whole, which can reduce the pressure loss during the transportation process, and can also reduce the front-end fan load to a certain extent, improve the transportation efficiency, and reduce energy consumption. The closed system can also reduce the low-frequency noise in the equipment production process to a certain extent, reducing noise pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] In the figure: 1. discharge hopper; 2. discharge control valve; 3. front-end fan; 4. main conveying pipe; 5. conveying branch pipe; 6. branch pipe control valve; 7. powder separator; 8. exhaust filter; 9. suction pump. DETAILED DESCRIPTION

[0012] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0013] refer to Figure 1The present embodiment provides a high-efficiency air delivery system for ultrafine calcium carbonate processing, which structure includes a feed hopper 1, a feed control valve 2, a front-end fan 3, a main conveying pipe 4, a conveying branch pipe 5, a branch control valve 6, a powder separator 7, an exhaust filter 8, and an air suction pump 9. A feed hopper is arranged at the lower end of the feed hopper 1, a feed control valve 2 is arranged on the feed hopper, a rear end of the feed hopper is connected to the main conveying pipe 4, a front end of the main conveying pipe 4 is connected to the front-end fan 3, the main conveying pipe 4 is connected to a plurality of conveying branch pipes 5, each of the conveying branch pipes 5 is provided with a branch control valve 6 for controlling its switch, the conveying branch pipe 5 is connected to the powder separator 7, an output port is arranged at the lower end of the powder separator 7, a valve for controlling the output is arranged at the output port, a separator exhaust pipe is arranged at the upper end of the powder separator 7, the separator exhaust pipe is connected to the exhaust filter 8, the rear end of the exhaust filter 8 is connected to the air suction pump 9, and the air suction pump 9 is connected to the air inlet end of the front-end fan 3 through a reflux pipe.

[0014] The branch pipe control valve 6 is a solenoid valve structure, and a brass valve plate is used on the branch pipe control valve 6 .

[0015] The rear end of the exhaust filter 8 is connected to an exhaust branch pipe, a plurality of exhaust branch pipes are connected to an exhaust main pipe, and the air suction pump 9 is arranged at the end of the exhaust main pipe.

[0016] The exhaust branch pipe is provided with a control valve for controlling the switch.

[0017] The main delivery pipe 4 and the delivery branch pipe 5 are both provided with pressure detectors for detecting the current pressure in the pipeline.

[0018] The present high-efficiency air conveying system for processing ultrafine calcium carbonate improves the existing technology in which the tail gas at the rear end is directly discharged as waste gas during actual use, resulting in waste of aerodynamic force and air pressure and relatively loud noise. By setting up the suction pump 9 and the return pipe, the entire air conveying system is closed as a whole, which can reduce the pressure loss during the conveying process, improve the conveying efficiency, and reduce energy consumption. The closed system can also reduce the low-frequency noise during the equipment production process to a certain extent, reducing noise pollution.

[0019] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0020] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high-efficiency air delivery system for ultrafine calcium carbonate processing, characterized in that: Its structure includes a discharge hopper, a discharge control valve, a front-end fan, a main conveying pipe, a conveying branch pipe, a branch pipe control valve, a powder separator, an exhaust filter, and an air suction pump. A discharge pipe is arranged at the lower end of the discharge hopper, a discharge control valve is arranged on the discharge pipe, the rear end of the discharge pipe is connected to the main conveying pipe, the front end of the main conveying pipe is connected to the front-end fan, the main conveying pipe is connected to a plurality of conveying branch pipes, each of the conveying branch pipes is provided with a branch pipe control valve for controlling its switch, the conveying branch pipe is connected to the powder separator, an output port is arranged at the lower end of the powder separator, a separator exhaust pipe is arranged at the upper end of the powder separator, the separator exhaust pipe is connected to the exhaust filter, the rear end of the exhaust filter is connected to the air suction pump, and the air suction pump is connected to the air inlet end of the front-end fan through a reflux pipe.

2. The high-efficiency air delivery system for processing ultrafine calcium carbonate according to claim 1, characterized in that: The branch pipe control valve is a solenoid valve structure, and a brass valve plate is used on the branch pipe control valve.

3. The high-efficiency air delivery system for processing ultrafine calcium carbonate according to claim 1, characterized in that: The rear end of the exhaust filter is connected to an exhaust branch pipe, a plurality of exhaust branch pipes are connected to an exhaust main pipe, and the air suction pump is arranged at the end of the exhaust main pipe.

4. The high-efficiency air delivery system for processing ultrafine calcium carbonate according to claim 3, characterized in that: The exhaust branch pipe is provided with a control valve for controlling the switch.

5. The high-efficiency air delivery system for processing ultrafine calcium carbonate according to claim 1, characterized in that: The main delivery pipe and the delivery branch pipe are both provided with pressure detectors for detecting the current pressure in the pipeline.

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