Venturi powder conveying system

Abstract

The utility model relates to a venturi powder conveying system which comprises an electric hoist, a venturi, a blanking hose, a conveying pipeline and a dust remover, a ton bag is hoisted and moved through the electric hoist and is connected with the blanking hose, a gulp valve is arranged on the side face of the blanking hose, and the gulp valve is used for balancing the pressure in the blanking process of the ton bag. A pneumatic ball valve and a pressure regulating valve are arranged on a pipeline at the inlet end of the venturi, the pneumatic ball valve is used for opening and closing compressed air for conveying, the pressure of a conveying air source is set through the pressure regulating valve, the outlet end of the venturi is connected with a conveying pipeline, and the other end of the conveying pipeline is connected with a weighing hopper. The Venturi conveys powder to a weighing hopper through a conveying pipeline, a dust remover is mounted at the top of the weighing hopper, and gas-solid separation is performed through the dust remover; on the premise of achieving the same conveying effect, the horizontal space and the height space are saved, and the whole equipment is small in occupied space and can be suitable for being used in places with narrow space and limited height.

Description

[Technical Field]

[0001] This utility model relates to the field of solid material conveying, specifically a Venturi powder conveying system. [Background Technology]

[0002] Currently, in general chemical raw material pneumatic positive pressure conveying systems, the feed inlet of the conveying system needs to be equipped with a series of devices such as a rotary valve for uniform feeding, an exhaust hopper, a material shoe, and a return air pipeline. In addition, the equipment needs to be fixed in a reliable way, which takes up a lot of space and the equipment is installed at a relatively high height.

[0003] However, for some customers with limited space, restricted height, and the need to use the site for other purposes, providing a simple Venturi powder conveying system that suits their site requirements would be of great significance. [Utility Model Content]

[0004] The purpose of this invention is to address the aforementioned shortcomings by providing a Venturi powder conveying system that can save horizontal and vertical space while achieving the same conveying effect. The overall equipment has a small footprint and is suitable for use in confined spaces with limited height.

[0005] To achieve the above objectives, a Venturi powder conveying system is designed, including an electric hoist 1, a Venturi 5, a discharge hose 6, an air supply valve 7, a conveying pipe 9, a dust collector 10, and a weighing hopper 11. A ton bag 2 is installed between the electric hoist 1 and the discharge hose 6. The ton bag 2 is hoisted and moved by the electric hoist 1 and connected to the discharge hose 6. The discharge hose 6 is provided with an air supply port, and an air supply valve 7 is installed at the air supply port. The air supply valve 7 is used to balance the pressure during the discharge process of the ton bag 2. The other end of the discharge hose 6... The inlet of the Venturi 5 is connected to the feed port. The inlet pipe of the Venturi 5 is equipped with a pneumatic ball valve 3 and a pressure regulating valve 4. The pneumatic ball valve 3 is used to switch the compressed air for conveying, and the pressure regulating valve 4 is used to set the pressure of the conveying air source. The outlet of the Venturi 5 is connected to the conveying pipe 9, and the other end of the conveying pipe 9 is connected to the weighing hopper 11. The Venturi 5 conveys the powder to the weighing hopper 11 through the conveying pipe 9. The top of the weighing hopper 11 is equipped with a dust collector 10, and gas-solid separation is performed through the dust collector 10.

[0006] Furthermore, a manual slide valve 8 is installed between the feeding hose 6 and the venturi 5 inlet. The manual slide valve 8 is used to adjust the feeding speed of the ton bag 2, thereby avoiding blockage of the venturi 5 pipe during the feeding process.

[0007] Furthermore, both ends of the feeding hose 6 are designed as rigid pipes. The end of the feeding hose 6 that is connected to the ton bag 2 matches the size of the opening of the ton bag 2 and is fixed with a clamp. The end of the feeding hose 6 that is connected to the venturi 5 is designed as a metal pipe and is connected to the flange of the venturi 5 inlet through the metal pipe, so as to facilitate flange connection.

[0008] Furthermore, when the ton bag 2 is connected to the Venturi 5 via the feeding hose 6, a horizontal gap is left between the center of the ton bag 2 and the feeding port of the Venturi 5, thereby facilitating on-site hoisting of the ton bag 2.

[0009] Furthermore, the Venturi 5 is provided with a feed inlet 12 at the top, and the left and right ends of the Venturi 5 are respectively provided with an air inlet 13 and a discharge outlet 14. The feed inlet 12, the air inlet 13 and the discharge outlet 14 are all equipped with flanges. The nozzle of the Venturi 5 is detachably connected. The diameter of the output section 15 of the Venturi 5 gradually increases, which not only makes installation more convenient, but also effectively avoids the accumulation of powder in the horizontal conveying section.

[0010] Furthermore, the pneumatic ball valve 3, pressure regulating valve 4, venturi 5, and conveying pipeline 9 are arranged linearly, which reduces the lateral space occupied and saves on-site installation space.

[0011] Compared with the prior art, this utility model has the following advantages:

[0012] (1) When the total height on site is limited and the angle of the material discharge pipe is not suitable, the present invention uses the negative pressure generated by the venturi to allow the material to enter the conveying pipe smoothly.

[0013] (2) Compared with the existing rotary valve positive pressure conveying, the present invention reduces the limitation on the arrangement angle of the feed hose by the negative pressure generated by the venturi;

[0014] (3) This utility model can save horizontal and vertical space and reduce on-site installation space by using the Venturi linear skid-mounted arrangement;

[0015] (4) Compared with the existing rotary valve positive pressure conveying technology, this utility model can achieve the same conveying effect, but due to the linear arrangement, the overall equipment occupies less space and is easy to disassemble and move.

[0016] (5) This utility model is easy to disassemble and move, and is very suitable for working conditions with limited on-site installation space. It is worth promoting and applying. [Image Description]

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2This is a schematic diagram of the structure of the Venturi of this utility model;

[0019] In the diagram: 1. Electric hoist; 2. Ton bag; 3. Pneumatic ball valve; 4. Pressure regulating valve; 5. Venturi; 6. Feed hose; 7. Air supply valve; 8. Manual slide gate valve; 9. Conveying pipeline; 10. Dust collector; 11. Weighing hopper; 12. Feed inlet; 13. Air inlet; 14. Discharge outlet; 15. Output section. [Detailed Implementation]

[0020] As attached Figure 1 As shown, this utility model provides a Venturi powder conveying system, including an electric hoist 1, a Venturi 5, a discharge hose 6, an air supply valve 7, a conveying pipe 9, a dust collector 10, and a weighing hopper 11. A ton bag 2 is installed between the electric hoist 1 and the discharge hose 6. The ton bag 2 is hoisted and moved by the electric hoist 1 and connected to the discharge hose 6. The discharge hose 6 is provided with an air supply port, and an air supply valve 7 is installed at the air supply port. The air supply valve 7 is used to balance the pressure of the ton bag 2 during the discharge process. The discharge hose 6 is further... One end is connected to the feed inlet of the Venturi 5. The inlet pipe of the Venturi 5 is equipped with a pneumatic ball valve 3 and a pressure regulating valve 4. The pneumatic ball valve 3 is used to switch the compressed air for conveying, and the pressure regulating valve 4 is used to set the pressure of the conveying air source. The outlet end of the Venturi 5 is connected to the conveying pipe 9. The other end of the conveying pipe 9 is connected to the weighing hopper 11. The Venturi 5 conveys the powder to the weighing hopper 11 through the conveying pipe 9. The top of the weighing hopper 11 is equipped with a dust collector 10, and gas-solid separation is performed through the dust collector 10.

[0021] When the ton bag 2 is connected to the venturi 5 via the feeding hose 6, a horizontal gap is left between the center of the ton bag 2 and the inlet of the venturi 5 to facilitate on-site hoisting of the ton bag 2. A manual slide valve 8 is installed between the feeding hose 6 and the inlet of the venturi 5. The manual slide valve 8 is used to adjust the feeding speed of the ton bag 2 to avoid material blockage in the venturi 5 during the feeding process. Both ends of the feeding hose 6 are designed as rigid pipes. The end of the feeding hose 6 connected to the ton bag 2 matches the size of the opening of the ton bag 2 and is fixed with a clamp. The end of the feeding hose 6 connected to the venturi 5 is designed as a metal pipe and is connected to the flange of the venturi 5 inlet through the metal pipe to facilitate flange connection. The pneumatic ball valve 3, pressure regulating valve 4, venturi 5, and conveying pipeline 9 are arranged linearly, which reduces the lateral space occupied and saves on-site installation space.

[0022] As attached Figure 2 As shown, the Venturi 5 has a feed inlet 12 at the top, and an air inlet 13 and a discharge outlet 14 at the left and right ends of the Venturi 5, respectively. The feed inlet 12, the air inlet 13 and the discharge outlet 14 are all equipped with flanges. The nozzle of the Venturi 5 is detachably connected. The diameter of the output section 15 of the Venturi 5 gradually increases, which not only makes the installation more convenient, but also effectively avoids the accumulation of powder in the horizontal conveying section.

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0024] A venturi powder conveying system includes an electric hoist 1, a ton bag 2, a pneumatic ball valve 3, a pressure regulating valve 4, a venturi 5, a discharge hose 6, an air replenishment valve 7, a manual gate valve 8, a conveying pipeline 9, a dust collector 10, and a weighing hopper 11. The ton bag 2 is hoisted and moved by the electric hoist 1 and connected to the discharge hose 6. The discharge hose 6 is equipped with an air replenishment valve 7 on its side. A manual gate valve 8 is installed between the discharge hose 6 and the venturi 5. A pneumatic ball valve 3 and a pressure regulating valve 4 are installed on the pipeline in front of the venturi 5. The outlet of the venturi 5 conveys the powder to the weighing hopper 11 through the conveying pipeline 9. The weighing hopper 11 filters the gas containing dust through the dust collector 10.

[0025] When the ton bag 2 is connected to the Venturi 5 via the discharge hose 6, a certain horizontal gap is allowed to facilitate on-site hoisting of the ton bag. The pneumatic ball valve 3, pressure regulating valve 4, and Venturi conveying pipeline are arranged linearly to ensure that the overall conveying unit occupies less lateral space, saving on-site installation space; the pneumatic ball valve 3, pressure regulating valve 4, and Venturi 5 are made into skids to ensure easy disassembly and movement when the conveying unit needs to be moved. The discharge hose 6 is equipped with an air inlet to balance the pressure during the discharge process of the ton bag 2; both ends of the discharge hose 6 are designed with rigid pipes, the rigid pipe on the side connected to the ton bag 2 is matched with the size of the opening of the ton bag 2 and is fixed with a special clamp to prevent dust leakage, and the other end connected to the Venturi 5 is designed as a metal pipe for flange connection;

[0026] The pneumatic ball valve 3 installed before the Venturi 5 switches the compressed air for conveying, and the pressure regulating valve 4 sets the air source pressure to adjust the conveying capacity of the Venturi 5. The nozzle of the Venturi 5 tube is made detachable for easy replacement later, and it is also convenient to clean the inside of the Venturi 5 in case of material blockage during commissioning. A manual slide valve 8 is installed at the feed inlet of the Venturi 5 to adjust the feeding speed of the ton bag 2, thereby avoiding material blockage in the Venturi 5 tube during feeding. The Venturi 5 conveys the powder through the conveying pipe 9 to the weighing hopper 11 by pneumatic conveying, and at the same time, the dust collector 10 performs gas-solid separation.

[0027] The working principle of this invention is as follows: a skid-mounted Venturi 5 conveying unit is used to transport powder to a designated location using compressed air. Compared with existing technologies, this invention achieves the same conveying effect while occupying less space and is easier to disassemble and move, making it worthy of widespread application.

[0028] The contents not described in detail in this specification are existing technologies known to those skilled in the art. The standard parts used can be purchased from the market, and the irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the circuit connection adopts conventional connection methods in the existing technology, which will not be described in detail here.

[0029] This utility model is not limited to the above-described embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of this utility model shall be considered equivalent substitutions and shall be included within the protection scope of this utility model.

Claims

1. A Venturi powder conveying system, characterized in that: The system includes an electric hoist (1), a venturi (5), a feeding hose (6), an air supply valve (7), a conveying pipe (9), a dust collector (10), and a weighing hopper (11). A ton bag (2) is installed between the electric hoist (1) and the feeding hose (6). The ton bag (2) is hoisted and moved by the electric hoist (1) and connected to the feeding hose (6). The feeding hose (6) is equipped with an air supply port, and an air supply valve (7) is installed at the air supply port. The air supply valve (7) is used to balance the pressure during the feeding process of the ton bag (2). The other end of the feeding hose (6) is connected to the venturi (5). The Venturi (5) has a feed inlet, and a pneumatic ball valve (3) and a pressure regulating valve (4) are installed on the pipe at the inlet end of the Venturi (5). The pneumatic ball valve (3) is used to switch the compressed air for conveying, and the pressure regulating valve (4) is used to set the pressure of the conveying air source. The outlet end of the Venturi (5) is connected to the conveying pipe (9), and the other end of the conveying pipe (9) is connected to the weighing hopper (11). The Venturi (5) conveys the powder to the weighing hopper (11) through the conveying pipe (9). A dust collector (10) is installed on the top of the weighing hopper (11), and gas-solid separation is performed through the dust collector (10).

2. The Venturi powder conveying system as described in claim 1, characterized in that: A manual slide valve (8) is installed between the feeding hose (6) and the venturi (5) inlet. The manual slide valve (8) is used to adjust the feeding speed of the ton bag (2).

3. The Venturi powder conveying system as described in claim 1, characterized in that: The two ends of the feeding hose (6) are designed as rigid pipes. The end of the feeding hose (6) connected to the ton bag (2) matches the size of the ton bag (2) opening and is fixed with a clamp. The end of the feeding hose (6) connected to the venturi (5) is designed as a metal pipe and is connected to the flange of the venturi (5) inlet through the metal pipe.

4. The Venturi powder conveying system as described in claim 1, characterized in that: When the ton bag (2) is connected to the venturi (5) through the feeding hose (6), a horizontal gap is left between the center of the ton bag (2) and the feeding port of the venturi (5).

5. The Venturi powder conveying system as described in any one of claims 1 to 4, characterized in that: The venturi (5) is provided with a feed inlet (12) at the top, and the left and right ends of the venturi (5) are respectively provided with an air inlet (13) and a discharge outlet (14). The feed inlet (12), air inlet (13) and discharge outlet (14) are all equipped with flanges. The nozzle of the venturi (5) is detachably connected, and the diameter of the output section (15) of the venturi (5) gradually increases.

6. The Venturi powder conveying system as described in claim 1, characterized in that: The pneumatic ball valve (3), pressure regulating valve (4), venturi (5), and conveying pipeline (9) are arranged linearly, which makes the lateral space occupied small.

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