CN214298262U

CN214298262U - Pneumatic conveying device for continuous bin

Info

Publication number: CN214298262U
Application number: CN202023009344.9U
Authority: CN
Inventors: 刘宏; 梁开军; 曹传宣
Original assignee: Changzhou Wanjia Intelligent Equipment Co ltd
Current assignee: Changzhou Wanjia Intelligent Equipment Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-09-28
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a storehouse air conveyor in succession, it includes: a storage bin and a conveying bin; the conveying bin is arranged below the storage bin and is connected with the storage bin through a discharge pipe; a first air pump is arranged on one side of the conveying bin and connected with an air jet propulsion device through a connecting pipe, and the air jet propulsion device is arranged at the top in the conveying bin; carry the storehouse bottom to be the conical surface, the discharging pipe is connected to its bottom, this device is when using, unload by the storage silo earlier, the supplied materials can be in the even dispersion of transport storehouse through jet-propelled advancing device, mix with jet-propelled, can receive the stirring acceleration mixing process of churning fan simultaneously, and do not additionally consume the electric energy, carry out the ejection of compact again at last, whole conveying process does not have from low to high transport stage, do not have too much return bend connection, the risk of energy consumption and jam has been reduced, its manufacturing cost and running cost have all been controlled, compare with current equipment, have apparent technical progress.

Description

Pneumatic conveying device for continuous bin

Technical Field

The utility model belongs to the technical field of the material is carried, especially, relate to a carry out continuous storehouse pneumatic conveyor that material was carried in succession.

Background

The pneumatic conveying is to convey granular material in the direction of air flow in a closed pipeline by utilizing the energy of the air flow, and is a specific application of fluidization technology. The pneumatic conveying device has simple structure and convenient operation, can be used for horizontal, vertical or inclined conveying, and can simultaneously carry out physical operations or certain chemical operations such as heating, cooling, drying, airflow classification and the like on materials in the conveying process. The pneumatic conveying is mainly characterized by large conveying capacity, long conveying distance and high conveying speed; it is possible to charge at one location and then discharge at multiple locations. Due to the characteristics of pneumatic transmission, the pneumatic transmission is widely applied to the aspects of powder and granular material transmission, such as departments of electric power, chemical industry, metallurgy, cement, grain and the like.

However, the conventional pneumatic conveying in the bin type generally adopts an intermittent conveying manner, that is, each conveying in the conventional pneumatic conveying is divided into three processes: firstly, in the climbing process, the time is t1, and the conveying mixing ratio is low in the period, the gas consumption is large, and the energy consumption is high; secondly, stabilizing the conveying process, wherein the time is t2, the mixing ratio of the conveying materials at the time section reaches the optimal value, the conveying amount is maximum, the speed is low, the abrasion to a conveying pipeline is small, and the conveying pipeline is in the optimal state of pneumatic conveying and also in the optimal conveying state pursued by people; and thirdly, in an air blowing process (a downhill process), the time is t3, the time is used for blowing the materials in the pipe, the air source is in a short circuit state, and the air consumption is the largest. The existing pneumatic conveying mode can not realize continuous conveying of materials and has the defects of small material conveying amount, large pipeline abrasion, large gas consumption, low efficiency, high production cost and the like.

Continuous storehouse material feeding unit can realize the continuous transport of material, and transport efficiency is high, and pipeline wearing and tearing are little, and production efficiency is high, low in production cost, however current continuous storehouse material feeding unit generally needs a plurality of return bends to carry the material in the storage silo into the transport bin that the position is higher than the storage silo again, and its bend is too much to have the shortcoming that is difficult to clear up and easily takes place to block up, and will additionally increase the power consumption with the material from low lifting.

Disclosure of Invention

The utility model discloses an above-mentioned problem that solution prior art and equipment exist has designed a continuous storehouse pneumatic conveyor, and its structure includes: a storage bin and a conveying bin; the conveying bin is arranged below the storage bin and is connected with the storage bin through a discharge pipe; a first air pump is arranged on one side of the conveying bin and connected with an air jet propulsion device through a connecting pipe, and the air jet propulsion device is arranged at the top in the conveying bin; the bottom of the conveying bin is a conical surface, and the bottom of the conveying bin is connected with a discharge pipe.

Preferably, the jet propulsion device comprises an air chamber, a jet pipe and a stirring fan; the bottom outside the air chamber is provided with a coupler, the inside of the air chamber is a cavity, and the cavity is communicated with one end of the connecting pipe through the coupler; the number of the gas injection pipes is more than or equal to two, one end of each gas injection pipe is communicated with the cavity, and the direction perpendicular to the diameter of the communication point is the direction of an opening at the other end; the stirring fan is arranged at the top or the upper part outside the air chamber, the jet propulsion device does not need to consume extra electric energy, and jet is utilized to provide rotating force for the air chamber, so that supplied materials can be stirred and the mixing process is accelerated when the supplied materials are mixed with the jet.

Preferably, the gas ejector pipes are distributed in a centrosymmetric manner by taking the axis of the gas chamber as an axis.

Preferably, a flow control valve is arranged on the discharge pipe.

Preferably, the connecting pipe is an L-shaped pipe, and the vertical portion thereof, i.e., the portion connected with the jet propulsion unit, is coaxial with the storage bin, and the conveying bin is also coaxial with the storage bin.

Preferably, a plurality of second air pumps are arranged at the top of the conveying bin and connected with the inner cavity of the conveying bin through a horn tube.

Preferably, a branch pipe on one side of the discharge pipe is connected with the air supply pipe, and the main pipeline is sequentially connected with the discharge valve and the fluidization controller through a bent pipe or an elbow pipe.

Preferably, the air chamber is oval or shuttle-shaped, so that the incoming materials are not accumulated on the upper part of the air chamber.

Preferably, a material level meter is arranged in the storage bin.

The utility model discloses when using, unload by the storage silo earlier, the supplied materials can be in the even dispersion of transport bin through jet-propelled advancing device, mix with jet-propelled, the stirring that can receive the churning fan simultaneously mixes the process with higher speed, and not additionally consume the electric energy, carry out the ejection of compact at last again, whole transportation process does not have from low to high transport stage, do not have too much return bend connection, the risk of energy consumption and jam has been reduced, its manufacturing cost and running cost have all obtained control, compare with existing equipment, have apparent technological progress.

Drawings

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

Fig. 2 is a front view of a jet propulsion unit.

Fig. 3 is a bottom view of the jet propulsion unit.

FIG. 1 shows a storage bin; 2. a conveying bin; 3. a discharge pipe; 4. a gas supplementing pipe; 5. folding the tube; 6. a discharge valve; 7. a fluidization controller; 11. a discharge pipe; 12. a flow control valve; 21. a first air pump; 22. a connecting pipe; 23. a jet propulsion unit; 24. a second air pump; 25. a flare tube; 231. an air chamber; 232. a gas ejector tube; 233. a stirring fan; 234. a coupling is provided.

Detailed Description

Example 1

As shown in fig. 1-3, an embodiment of the pneumatic conveying device for continuous bin of the present invention comprises: a storage bin 1 and a conveying bin 2; the conveying bin 2 is arranged below the storage bin 1 and is connected with the storage bin through a discharge pipe 11; a first air pump 21 is arranged on one side of the conveying bin 2 and is connected with an air jet propulsion device 23 through a connecting pipe 22, and the air jet propulsion device 23 is arranged at the top in the conveying bin 2; the bottom of the conveying bin 2 is a conical surface, and the bottom of the conveying bin is connected with a discharge pipe 3.

More specifically, the jet propulsion device 23 comprises an air chamber 231, a jet pipe 232 and a stirring fan 233; the outer bottom of the air chamber 231 is provided with a coupler 234, the inner part of the air chamber is a cavity, and the cavity is communicated with one end of the connecting pipe 22 through the coupler 234; the gas injection pipes 232 are arranged at the lower half part of the gas chamber 231, the number of the gas injection pipes is four, one end of each gas injection pipe is communicated with the cavity, the direction of the gas injection pipe is vertical to the diameter of the communication point, and the direction of the opening at the other end is the direction, as shown in fig. 3, the pipe orifices of the gas injection pipes 232 are horn-shaped; the stirring fan 233 is disposed at the top or upper portion of the air chamber 231, and the jet propulsion device 23 does not need to consume extra electric energy, and utilizes jet air to provide rotating force for the air chamber 231, so that incoming materials can be stirred and the mixing process is accelerated when the incoming materials are mixed with the jet air.

More specifically, the gas nozzles 232 are arranged in a central symmetry manner with the axis of the gas chamber 231 as an axis.

More specifically, the discharge pipe 11 is provided with a flow control valve 12.

More specifically, the connecting pipe 22 is an L-shaped pipe, and the vertical portion thereof, i.e., the portion connected with the jet propulsion device 23, is coaxial with the storage bin 1, and the conveying bin 2 is also coaxial with the storage bin 1.

More specifically, a plurality of second air pumps 24 are arranged at the top of the conveying bin 2, and the second air pumps 24 are connected with the inner cavity of the conveying bin 2 through a flared tube 25.

More specifically, a branch pipe on one side of the discharge pipe 3 is connected with an air supply pipe 4, and a main pipeline is sequentially connected with a discharge valve 6 and a fluidization controller 7 through a folding pipe 5 or a bent pipe.

More specifically, the air chamber 231 is oval, so that the incoming material is not accumulated on the upper portion of the air chamber 231.

More specifically, a material level meter is arranged in the storage bin 1.

Example 2

More specifically, the jet propulsion device 23 comprises an air chamber 231, a jet pipe 232 and a stirring fan 233; the outer bottom of the air chamber 231 is provided with a coupler 234, the inner part of the air chamber is a cavity, and the cavity is communicated with one end of the connecting pipe 22 through the coupler 234; the four gas nozzles 232 are arranged at the lower half part of the gas chamber 231, one end of each gas nozzle is communicated with the cavity, the direction perpendicular to the diameter of the communication point is the direction of the opening at the other end, and the direction is shown in fig. 3; the stirring fan 233 is disposed at the top or upper portion of the air chamber 231, and the jet propulsion device 23 does not need to consume extra electric energy, and utilizes jet air to provide rotating force for the air chamber 231, so that incoming materials can be stirred and the mixing process is accelerated when the incoming materials are mixed with the jet air.

More specifically, a material level meter is arranged in the storage bin 1.

More specifically, the level indicator, the flow control valve 12, the discharge valve 6 and the fluidization controller 7 are connected with a PLC controller.

The utility model discloses a design is key in, establishes the transport bin in the storage silo lower part, establishes jet-propelled advancing device in the transport bin in order to accelerate the mixing efficiency of material and air, carries out pneumatic transport again, only with the thrust acceleration of material gravity itself and jet-propelled production solid-gas mixing, when realizing continuous pay-off, played energy-conservation, prevented the beneficial effect that blocks up.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a continuous storehouse pneumatic conveyor which characterized in that: the method comprises the following steps: a storage bin and a conveying bin; the conveying bin is arranged below the storage bin and is connected with the storage bin through a discharge pipe; a first air pump is arranged on one side of the conveying bin and connected with an air jet propulsion device through a connecting pipe, and the air jet propulsion device is arranged at the top in the conveying bin; the bottom of the conveying bin is a conical surface, and the bottom of the conveying bin is connected with a discharge pipe.

2. The continuous bin pneumatic conveying device according to claim 1, wherein: the jet propulsion device comprises an air chamber, a jet pipe and a stirring fan; the bottom outside the air chamber is provided with a coupler, the inside of the air chamber is a cavity, and the cavity is communicated with one end of the connecting pipe through the coupler; the number of the gas injection pipes is more than or equal to two, one end of each gas injection pipe is communicated with the cavity, and the direction perpendicular to the diameter of the communication point is the direction of an opening at the other end; the stirring fan is arranged at the top or the upper part outside the air chamber.

3. The continuous bin pneumatic conveying device according to claim 2, wherein: the gas injection pipes are distributed in a centrosymmetric manner by taking the axis of the gas chamber as an axis.

4. The continuous bin pneumatic conveying device according to claim 3, wherein: and a flow control valve is arranged on the discharge pipe.

5. The continuous bin pneumatic conveying device according to claim 4, wherein: the connecting pipe is an L-shaped pipe, the vertical part of the connecting pipe, namely the connecting part of the connecting pipe and the air jet propulsion device, is coaxial with the storage bin, and the conveying bin and the storage bin are also coaxial.

6. The continuous bin pneumatic conveying device according to claim 5, wherein: and the top of the conveying bin is provided with a plurality of second air pumps, and the second air pumps are connected with the inner cavity of the conveying bin through horn tubes.

7. The continuous bin pneumatic conveying device according to claim 6, wherein: a branch pipe on one side of the discharge pipe is connected with an air supply pipe, and a main pipeline is sequentially connected with a discharge valve and a fluidization controller through a bent pipe or a bent pipe.

8. The continuous bin pneumatic conveying device according to claim 7, wherein: the air chamber is oval or shuttle-shaped.

9. The continuous bin pneumatic conveying device according to claim 8, wherein: a material level meter is arranged in the storage bin.