Pneumatic conveying flow adjusting device

Abstract

The utility model relates to the technical field of flow adjusting devices, in particular to a pneumatic conveying flow adjusting device. According to the technical scheme, the device comprises an air inlet end pipe and an air conveying pipe fixedly connected to one end of the air inlet end pipe, and further comprises a shell arranged on the outer wall of the air conveying pipe in a threaded sleeving mode, and an air outlet end pipe is fixedly connected to one end of the shell; an air channel is formed in the inner wall of the air conveying pipe, a blocking core used in cooperation with the air channel is fixedly connected to the interior of the shell, and the air flow is changed by adjusting the distance between the blocking core and the air channel. The shell is in threaded connection with the outer wall of the gas conveying pipe, and the overlapping length of the shell and the connecting end of the gas conveying pipe can be adjusted; the air channel is formed in the air conveying pipe, the blocking core is arranged in the shell, the end of the blocking core is inserted into the end of the air channel, the size of the air channel formed by the blocking core and the air channel is adjusted by adjusting the overlapping connection length of the shell and the air conveying pipe, and operation is easy and fast.

Description

Technical Field

[0001] This application relates to the field of flow regulation device technology, and in particular to a pneumatic conveying flow regulation device. Background Technology

[0002] Currently, positive pressure conveying flow regulation is generally achieved using manual valves and orifice plates. However, manual valves and orifice plates still have certain drawbacks in the regulation process, as follows:

[0003] Disadvantages of manual valves: In actual production, most manual butterfly valves and manual ball valves are used to control the air intake. However, manual butterfly valves and manual ball valves are not proportional control valves, so they cannot accurately control the opening size. Furthermore, if the valve opening is changed by the operator's mistake, the system will have abnormalities that are difficult to troubleshoot.

[0004] Disadvantages of orifice plates: The use of orifice plates requires strict calculation of parameters such as air pressure and flow rate. This calculation is usually based on the field experience of different companies and lacks sufficient theoretical verification. Furthermore, if there are situations such as excessive material feeding, high heat output of the drying kiln, or material clumping, the orifice plate cannot be adjusted, thus limiting its use.

[0005] Therefore, this application proposes a pneumatic conveying flow rate regulating device. Utility Model Content

[0006] The purpose of this application is to address the technical problems identified in the background section by providing a pneumatic conveying flow rate regulating device.

[0007] The technical solution of this application: A pneumatic conveying flow rate regulating device, comprising an inlet pipe and a conveying pipe fixedly connected to one end thereof, and further comprising:

[0008] A shell threaded onto the outer wall of a gas pipeline, with an outlet pipe fixedly connected to one end of the shell;

[0009] The inner wall of the gas supply pipe is provided with an air passage, and the inside of the outer shell is fixedly connected with a plug core that works with the air passage. The air flow rate can be changed by adjusting the distance between the plug core and the air passage.

[0010] Preferably, the airway includes two ends and a middle part, the inner diameter of the middle part is smaller than the inner diameter of the two ends, and both ends are conical, with the inner diameter of the conical shape gradually increasing from the middle to the ends;

[0011] The end of the plug near the airway is tapered, and the other end of the plug is fixed to the inner wall of the outer shell by a support ring.

[0012] Preferably, the outer wall of the gas supply pipe is also threaded with a nut located between the gas inlet pipe and the outer shell, and a sealing ring is fixedly connected to the end face of the nut near the outer shell.

[0013] Preferably, the outer wall of the gas pipeline is provided with external threads, and the inner walls of the outer shell and the nut are both provided with internal threads that match the external threads.

[0014] Preferably, the outer walls of the air inlet pipe and the air outlet pipe are respectively fitted with a wrench operating collar A and a wrench operating collar B for turning the air supply pipe or the outer shell.

[0015] Compared with the prior art, this application has the following beneficial technical effects:

[0016] This application involves threading the outer shell to the outer wall of the gas pipe, and the overlap length between the outer shell and the gas pipe is adjustable. An air passage is opened inside the gas pipe, and a plug is installed inside the outer shell. The end of the plug is inserted into the end of the air passage. By adjusting the overlap length between the outer shell and the gas pipe, the size of the air passage formed by the plug and the air passage can be adjusted. The operation is simple and quick, and the air intake volume can be adjusted without removing this component.

[0017] By threading a nut onto the side wall of the gas delivery pipe and setting a sealing ring at the end of the nut near the outer shell, after adjusting the overlap connection length between the outer shell and the gas delivery pipe, tighten the nut toward the outer shell until the sealing ring abuts against the end of the outer shell, thereby achieving a sealing effect and keeping the gas delivery channel in good condition. Attached Figure Description

[0018] Figure 1 This is a front view of a pneumatic conveying flow regulation device;

[0019] Figure 2 yes Figure 1 A partial sectional view;

[0020] Figure 3 This is an exploded structural diagram of the gas pipeline and the outer shell in this application.

[0021] Reference numerals in the attached diagram: 1. Inlet pipe; 2. Wrench operating collar A; 3. Air supply pipe; 4. Nut; 5. Sealing ring; 6. External thread; 7. Plug; 8. Outer shell; 9. Support ring; 10. Wrench operating collar B; 11. Outlet pipe; 12. Air passage. Detailed Implementation

[0022] The technical solution of this application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0023] The components of the embodiments of this application described and shown in the accompanying drawings can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application.

[0024] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0025] In the description of this application, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0027] Example

[0028] like Figures 1-3 As shown, the pneumatic conveying flow regulating device proposed in this application includes an inlet pipe 1 and an air supply pipe 3 fixedly connected to one end of the inlet pipe 1 and an outer shell 8 threaded onto the outer wall of the air supply pipe 3. An outlet pipe 11 is fixedly connected to one end of the outer shell 8. A wrench operating collar A2 and a wrench operating collar B10 are respectively fixedly fitted onto the outer walls of the inlet pipe 1 and the outlet pipe 11, so that the air supply pipe 3 or the outer shell 8 can be turned according to the specific installation scenario.

[0029] The inner wall of the gas supply pipe 3 is provided with an air passage 12, and a plug 7 that works in conjunction with the air passage 12 is fixedly connected inside the outer shell 8. The air flow rate is changed by adjusting the distance between the plug 7 and the air passage 12. The more the outer shell 8 overlaps with the gas supply pipe 3, the smaller the air passage formed by the plug 7 and the air passage 12, and vice versa.

[0030] Specifically, the air passage 12 includes two ends and a middle part. The inner diameter of the middle part is smaller than the inner diameter of the two ends. Both ends are tapered, and the inner diameter of the tapered shape gradually increases from the middle to the ends. The end of the plug 7 closest to the air passage 12 is tapered, and the other end of the plug 7 is fixed to the inner wall of the outer shell 8 by a support ring 9. Thus, when the outer shell 8 moves, it will drive the plug 7 to move synchronously.

[0031] Furthermore, the outer wall of the gas supply pipe 3 is also threaded with a nut 4 located between the inlet pipe 1 and the outer casing 8. A sealing ring 5 is fixedly connected to the end face of the nut 4 near the outer casing 8. After adjusting the connection position between the outer casing 8 and the gas supply pipe 3, the nut 4 is tightened towards the outer casing 8, so that the sealing ring 5 is attached to the end of the outer casing 8, thereby achieving a sealing effect and preventing gas leakage from the threaded connection.

[0032] In this embodiment, the outer wall of the gas supply pipe 3 is provided with an external thread 6, and the inner walls of the outer shell 8 and the nut 4 are both provided with internal threads that match the external thread 6, which can be repeatedly adjusted. Furthermore, the outer shell 8 and the gas supply pipe 3 are detachable and can be quickly reconnected after disassembly.

[0033] The working principle of this embodiment is as follows: First, the outlet pipe 11 is fixed at the pump. The overlap distance between the air supply pipe 3 and the outer casing 8 is adjusted by rotating the wrench and operating the collar A2, thereby adjusting the distance between the plug 7 and the end of the air passage 12, ultimately adjusting the size of the outlet passage. After adjustment, the nut 4 is rotated towards the outer casing 8, causing the sealing ring 5 to abut against the end of the outer casing 8, thus sealing the connection between the outer casing 8 and the air supply pipe 3. With a constant air supply, the air flow rate can be adjusted. The operation is simple and quick, allowing for air intake adjustment without removing this component.

[0034] The above specific embodiments are merely preferred embodiments of this application. Based on the technical solutions of this application and the relevant teachings of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments. The above specific embodiments are merely explanations of this application and are not limitations on this application.

Claims

1. A pneumatic conveying flow rate regulating device, comprising an inlet pipe (1) and a conveying pipe (3) fixedly connected to one end thereof, characterized in that, Also includes: A shell (8) is threaded onto the outer wall of the gas transmission pipe (3), and one end of the shell (8) is fixedly connected to an outlet pipe (11). The inner wall of the gas pipe (3) is provided with an air passage (12), and the inside of the outer shell (8) is fixedly connected with a plug (7) that works with the air passage (12). The air flow rate can be changed by adjusting the distance between the plug (7) and the air passage (12).

2. The pneumatic conveying flow rate regulating device according to claim 1, characterized in that, The airway (12) includes two ends and a middle part. The inner diameter of the middle part is smaller than the inner diameter of the two ends. Both ends are conical, and the inner diameter of the conical shape gradually increases from the middle to the ends. The end of the plug (7) near the air passage (12) is tapered, and the other end of the plug (7) is fixed to the inner wall of the outer shell (8) by the support ring (9).

3. The pneumatic conveying flow rate regulating device according to claim 2, characterized in that, The outer wall of the gas pipe (3) is also threaded with a nut (4) located between the gas inlet pipe (1) and the outer shell (8), and a sealing ring (5) is fixedly connected to the end face of the nut (4) near the outer shell (8).

4. The pneumatic conveying flow rate regulating device according to claim 3, characterized in that, The outer wall of the gas pipe (3) is provided with an external thread (6), and the inner walls of the outer shell (8) and the nut (4) are provided with internal threads that match the external thread (6).

5. The pneumatic conveying flow rate regulating device according to claim 1, characterized in that, The outer walls of the air inlet pipe (1) and the air outlet pipe (11) are respectively fitted with a wrench operating collar A (2) and a wrench operating collar B (10) for turning the air supply pipe (3) or the outer shell (8).

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