CN212245317U - Powder conveying system - Google Patents

Abstract

The utility model relates to a cleaner production technical field discloses a powder conveying system, it is including weighing tank, powder pipeline and agitator tank, weigh tank and agitator tank and pass through powder pipeline and be connected, high compression pump installs the feed end at powder pipeline, powder pipeline includes hard pipe and elasticity pipe, hard pipe box locates outside the elasticity pipe, the both ends of elasticity pipe all are provided with the pneumatic valve, be provided with the gas tube on the feed end lateral wall of elasticity pipe, powder pipeline still includes fixes the shock-absorbing structure at the intraductal stereoplasm with the elasticity pipe. The utility model has the advantages that: when the elastic pipe is blocked, the air valves at two ends are closed, high-pressure gas is input into the elastic pipe through the pulse valve, the elastic pipe supported by the elastic sheet vibrates when the high-pressure gas is input into the elastic pipe at intervals, powder adhered to the inner wall shakes off, the elastic pipe expands due to the high-pressure gas, the powder falls off from the inner wall, and the falling effect of the dual-action powder is good.

Description

Powder conveying system

Technical Field

The utility model relates to a cleaner production technical field, especially a powder conveying system.

Background

In the powder batching system engineering, some powder needs to be batched by mass weighing and then is conveyed to a receiving device in a pipeline pneumatic conveying mode.

In the prior art, a conveying pipeline of a powder conveying system is generally a hard material pipeline, and an air flow and powder are conveyed to a downstream device from an upstream batching device through the conveying pipeline by air. However, for some powders with strong adhesion, after being weighed by accurate mass, a part of the powders can adhere to the inner wall of the pipeline in the process of pneumatic conveying through the pipeline, so that the mass of the powders entering the downstream equipment is inconsistent with the mass of the powders weighed upstream, the actual production is inconsistent with the preset formula, and the quality of the final product is lower than the expected requirement.

Chinese utility model patent: CN205739485U discloses a sticky powder conveying pipeline and conveying system, can avoid sticky powder adhesion to block up the conveying pipeline on the pipe wall, and then improve powder batching precision. The viscous powder conveying pipeline comprises an elastic pipe, an upstream automatic switch valve and a compressed air inflation inlet are sequentially arranged at the upstream end of the elastic pipe along the powder conveying direction, and a downstream automatic switch valve is arranged at the downstream end. The elastic pipe is used for conveying powder, the elastic pipe has a radial expansion function, when the elastic pipe expands to a certain degree, the powder adhered to the inner wall of the elastic pipe falls off from the inner wall of the elastic pipe due to tension, and the fallen powder is conveyed into downstream equipment by airflow, so that the effect of preventing the powder from adhering to the pipe wall and further improving the powder proportioning precision is achieved; the phenomenon that the quality of the original weighed powder is inconsistent with the quality of the powder entering the next process due to the adhesion of the powder is reduced, and the formula precision is further improved, so that the quality and the performance of the product produced by downstream production equipment are more in line with the expected design requirements. The powder adhered to the inner wall of the elastic pipe falls off only by means of radial expansion of the elastic pipe, the powder falling effect is poor, the receiving equipment is connected by using bolts during installation, the installation hole in the receiving equipment is not aligned with the anchor bolt embedded in the ground easily under the action of a crane, and the installation efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a powder conveying system to solve the problem that the powder effect of droing of current adhesion on the elastic tube inner wall is not good.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a powder conveying system, includes high accuracy weighing tank, powder pipeline and agitator tank, high accuracy weighing tank with the agitator tank passes through powder pipeline connects, and high compression pump installs powder pipeline's feed end, powder pipeline includes hard pipe and elastic tube, hard pipe box is located outside the elastic tube, the both ends of elastic tube all are provided with the pneumatic valve, be provided with the gas tube on the feed end lateral wall of elastic tube, powder pipeline still include with the elastic tube is fixed shock-absorbing structure in the hard tube.

Preferably, the agitator tank is installed on the pile foundation, the pile foundation is provided with a blind hole, the support of the agitator tank is inserted into the blind hole, and the gap between the blind hole and the support frame is filled with adhesive.

Preferably, the damping structure comprises a through groove and a round pipe which are arranged on the side wall of the hard pipe, an elastic sheet and a supporting block are arranged on the inner wall of the round pipe, the round pipe is sleeved outside the hard pipe through the supporting block, and the elastic sheet is located in the through groove and tightly attached to the outer wall of the elastic pipe.

Preferably, the outer wall of the hard pipe is provided with a sliding groove, and the supporting block is installed in the sliding groove in a tight fit manner.

Preferably, the number of the elastic pieces and the number of the supporting blocks are three, and the elastic pieces and the supporting blocks are distributed on the circumferential direction of the circular tube in a staggered manner.

Preferably, the number of the round pipes is multiple, and the round pipes are uniformly distributed outside the hard pipe.

Preferably, the air inlet end of the inflation tube is provided with a pulse valve.

Compared with the prior art, the beneficial effects of the utility model are that: when the elastic pipe is blocked, the air valves at two ends are closed, high-pressure gas is input into the elastic pipe through the pulse valves, the high-pressure gas is input into the elastic pipe at intervals, the elastic pipe supported by the elastic sheet vibrates, powder adhered to the inner wall shakes off, the elastic pipe expands due to the high-pressure gas, the powder adhered to the inner wall of the elastic pipe falls off from the inner wall due to tension, and the powder falling effect is good due to double effects.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a powder conveying pipeline;

FIG. 3 is a schematic structural diagram of a rigid tube;

FIG. 4 is a schematic structural diagram of a circular tube;

FIG. 5 is a schematic view of the installation structure of the circular tube;

in the figure, 1-hard tube, 2-elastic tube, 3-inflation tube, 4-air valve, 5-through groove, 6-round tube, 7-elastic sheet, 8-supporting block, 9-sliding groove, 10-pulse valve, 11-high precision weighing tank, 12-stirring tank, 13-high pressure air pump, 14-foundation pile, 15-blind hole and 16-adhesive.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

As shown in fig. 1-5, a powder conveying system comprises a high-precision weighing tank 11, a powder conveying pipeline and an agitator tank 12, wherein the high-precision weighing tank 11 is connected with the agitator tank 12 through the powder conveying pipeline, a high-pressure air pump 13 is installed at a feeding end of the powder conveying pipeline, the powder conveying pipeline comprises a hard pipe 1 and an elastic pipe 2, the hard pipe 1 is sleeved outside the elastic pipe 2, the hard pipe 1 is fixed on the ground through a bracket, air valves 4 are respectively arranged at two ends of the elastic pipe 2, the feeding end of the elastic pipe 2 is connected with the high-pressure air pump 13 through the air valves 4, a discharging end of the elastic pipe 2 is connected with the agitator tank 12, a material port is further arranged on a side wall of the feeding end of the elastic pipe 2, a discharging end of the high-precision weighing tank 11 is installed on the material port of the elastic pipe 2, the powder after mass weighing and metering is loaded in the high-precision weighing tank 11, the high-pressure air pump 13, the high-precision weighing, and the utility model discloses a powder pipeline adopts the pipeline transport technique of current powder, event high compression pump 13, high accuracy weighing tank 11 and receiving equipment's installation is not here detailed, be provided with gas tube 3 on the feed end lateral wall of elastic tube 2, pulse valve 10 is installed to the inlet end of gas tube 3, pulse valve 10 adopts the market to purchase the product, the event is not here detailed, the intake pipe passes through pulse valve 10 and opens the entering gas tube 3 of the high-pressure gas pulsed of high compression pump 13 production, it locates on hard pipe 1 lateral wall to lead to groove 5, and extend along hard pipe 1's laying direction, be provided with shell fragment 7 and supporting shoe 8 on pipe 6's the inner wall, cover 6 covers of pipe outside hard pipe 1 through supporting shoe 8, shell fragment 7 is located logical groove 5, and hug closely with the outer wall of elastic tube 2, supporting shoe 8 has prevented that pipe 6 from taking place to rotate on hard pipe 1 wall.

The working process of the utility model is as follows: closing the pulse valve 10 in the feeding process, opening the high-pressure air pump and the air valves 4 at two ends of the elastic tube 2, feeding the powder weighed in the high-precision weighing tank into the elastic tube 2, conveying the powder to the powder receiving equipment under the action of high-pressure gas generated by the high-pressure pump, blocking the elastic tube 2 along with the increase of the powder adhered to the inner wall of the elastic tube 2, closing the air valves 4 at two ends at the moment, closing the discharge end of the high-precision weighing tank, simultaneously starting the pulse valve 10, conveying the high-pressure gas into the elastic tube 2 in a pulse type, vibrating the elastic tube 2 supported by the elastic sheet 7 under the action of the high-pressure gas entering in the pulse type, shaking the powder off the inner wall of the elastic tube 2, expanding the elastic tube 2 along with the increase of the pressure in the elastic tube 2, increasing the cross-sectional area of the elastic tube 2, and further enhancing the effect of falling off the powder from the inner wall of, after the pipeline is dredged, the pulse valve 10 is closed, the air valves 4 at the two ends of the elastic pipe 2 and the discharge end of the high-precision weighing pipe are opened simultaneously, and powder is conveyed continuously.

In this embodiment, as shown in fig. 1 to 5, the agitator tank 12 is installed on the pile foundation 14, the pile foundation 14 is buried in the ground, the pile foundation 14 is provided with a blind hole 15, a bracket of the agitator tank 12 is inserted into the blind hole 15, a gap between the blind hole 15 and the support frame is filled with an adhesive 16, the adhesive 16 is a commercially available product, and the adhesive is selected according to actual conditions, the adhesive 16 is filled into the blind hole 15 during installation, and then the agitator tank 12 is lifted to insert the bracket into the blind hole 15, so that the installation is completed, and the installation is rapid and convenient.

In this embodiment, as shown in fig. 1 to 5, a sliding groove 9 is formed in the outer wall of the hard tube 1, and the supporting block 8 is installed in the sliding groove 9 in a tight fit manner, so that when the elastic tube 2 vibrates, the circular tube rotates on the hard tube 1, which affects the continuous vibration of the elastic tube 2 and reduces the falling effect of the powder.

In this embodiment, as shown in fig. 1 to 5, the number of the elastic pieces 7 and the number of the supporting blocks 8 are three, and the elastic pieces 7 and the supporting blocks 8 are distributed in the circumferential direction of the circular tube in a staggered manner, so that the stability of the vibration of the elastic tube 2 is improved.

In this embodiment, as shown in fig. 1-5, a plurality of circular tubes are uniformly distributed outside the rigid tube 1, so that each section of the elastic tube 2 can stably vibrate.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a powder conveying system, includes high accuracy weighing tank, powder pipeline and agitator tank, high accuracy weighing tank with the agitator tank passes through powder pipeline connects, and high compression pump installs powder pipeline's feed end, its characterized in that: the powder conveying pipeline comprises a hard pipe and an elastic pipe, the hard pipe is sleeved outside the elastic pipe, air valves are arranged at two ends of the elastic pipe, an inflation pipe is arranged on the outer side wall of the feeding end of the elastic pipe, and the powder conveying pipeline further comprises a damping structure for fixing the elastic pipe in the hard pipe.

2. The powder delivery system of claim 1, wherein: the agitator tank is installed on the pile foundation, the blind hole has been seted up on the pile foundation, the support of agitator tank inserts in the blind hole, the blind hole with the clearance packing of the support of agitator tank has the adhesive.

3. The powder delivery system of claim 2, wherein: the damping structure comprises a through groove and a round pipe which are arranged on the side wall of the hard pipe, wherein an elastic sheet and a supporting block are arranged on the inner wall of the round pipe, the round pipe is sleeved outside the hard pipe through the supporting block, and the elastic sheet is located in the through groove and is tightly attached to the outer wall of the elastic pipe.

4. The powder delivery system of claim 3, wherein: the outer wall of the hard pipe is provided with a sliding groove, and the supporting block is installed in the sliding groove in a tight fit mode.

5. A powder delivery system according to claim 3 or 4, wherein: the number of the elastic pieces and the number of the supporting blocks are three, and the elastic pieces and the supporting blocks are distributed on the circumferential direction of the circular tube in a staggered mode.

6. The powder delivery system of claim 5, wherein: the pipe is a plurality of, and the equipartition is in outside the hard tube.

7. The powder delivery system of claim 6, wherein: and the air inlet end of the inflation tube is provided with a pulse valve.

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