Pressure adjusting device for pneumatic conveying of powder

Abstract

The utility model discloses a pressure adjusting device for pneumatic conveying of powder materials, which comprises a bottom plate, four corners of the right side of the top of the bottom plate are fixedly connected with supporting columns, the tops of the supporting columns are fixedly connected with a feeder, the top of the feeder is communicated with a feeding hopper, and the center of the bottom of the feeder is communicated with a discharging pipe. The motor is started through the processor to drive the threaded rod to rotate, the threaded rod rotates to drive the threaded block to move on the surface of the threaded rod through threads, the threaded block moves to drive the moving plate to move, the moving plate moves to drive the moving column to move, and the moving column moves to drive the pressure adjusting plate and the sealing gasket to move upwards, so that the communicating pipe is exposed; and gas pressure in the inner cavity of the pneumatic conveying pipe enters the inner cavity of the box body through the communicating pipe, then redundant air pressure is discharged through the pressure relief groove, pressure relief can be automatically carried out, the pneumatic conveying pipe is prevented from being exploded and damaged, and the advantage of automatic pressure relief is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic conveying of powder materials, in particular to a pressure regulating device for pneumatic conveying of powder materials. Background Art

[0002] Pneumatic conveying, also known as air flow conveying, utilizes the energy of air flow to convey granular materials along the direction of air flow in a closed pipe. It is a specific application of fluidization technology. The pneumatic conveying device has a simple structure and is easy to operate. It can be used for horizontal, vertical or inclined conveying. During the conveying process, physical operations such as heating, cooling, drying and air flow classification of materials or certain chemical operations can also be performed simultaneously.

[0003] When powder materials are pneumatically conveyed, a pressure regulating device is required to adjust the pressure in the pneumatic conveying pipe. The currently available pressure regulating devices do not have the function of automatic pressure relief, resulting in that when powder materials are pneumatically conveyed, workers are required to manually adjust the pressure in the pneumatic conveying pipe. If the workers do not operate in time, the pressure in the pneumatic conveying pipe will be too high, causing the pneumatic conveying pipe to be easily ruptured and damaged, thereby shortening the service life of the pneumatic conveying pipe. Utility Model Content

[0004] The purpose of the utility model is to provide a pressure regulating device for pneumatic conveying of powder materials, which has the advantage of automatic pressure relief, and solves the problem that the existing pressure regulating device does not have the function of automatic pressure relief, resulting in the need for workers to manually perform pressure relief adjustment to adjust the pressure in the pneumatic conveying pipe when the powder material is pneumatically conveyed. If the worker does not operate in time, the pressure in the pneumatic conveying pipe is too high, causing the pneumatic conveying pipe to be easily burst and damaged.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressure regulating device for pneumatic conveying of powder materials, comprising a base plate, the four corners on the right side of the top of the base plate are fixedly connected to support columns, the top of the support column is fixedly connected to a feeder, the top of the feeder is connected to a feeding hopper, the center of the bottom of the feeder is connected to a feed pipe, the bottom of the feed pipe is connected to a pneumatic conveying pipe, the left side of the pneumatic conveying pipe is connected to a connecting pipe, the left side of the connecting pipe is connected to a blower, the left side of the blower is connected to an exhaust pipe, and an automatic pressure relief component is arranged on the left side of the top of the pneumatic conveying pipe.

[0006] As a preferred solution, a mounting seat is fixedly connected to the bottom of the blower, and the bottom of the mounting seat is fixedly mounted to the left side of the top of the base plate.

[0007] As a preferred embodiment, the automatic pressure relief assembly includes a box body, the bottom of the box body is fixedly connected to the left side of the top of the pneumatic feeding pipe, the bottom of the box body is connected with a connecting pipe, the bottom of the connecting pipe is connected with the left side of the top of the pneumatic feeding pipe, the top of the front of the box body is fixedly connected with a pressure setter, the bottom of the front of the box body is fixedly connected with a processor, pressure relief grooves are provided on both sides of the top of the box body, a motor is fixedly connected to the center of the top of the inner wall of the box body, a threaded rod is fixedly connected to the output end of the motor, a threaded block is threadedly connected to the surface of the threaded rod, a moving plate is fixedly connected to both sides of the threaded block, a moving column is fixedly connected to the bottom of the moving column, a pressure regulating plate is fixedly connected to the bottom of the pressure regulating plate, a sealing gasket is bonded to the bottom of the pressure regulating plate, the bottom of the sealing gasket contacts the bottom of the inner wall of the box body, a lifting mounting plate is fixedly connected to the center of the bottom of the pressure regulating plate, the bottom end of the lifting mounting plate passes through the inner cavity of the pneumatic feeding pipe, and a pressure sensor is fixedly connected to the bottom of the left side of the lifting mounting plate.

[0008] As a preferred solution, a dustproof net is fixedly connected to the inner wall of the pressure relief groove, and the diameter of the dustproof net is smaller than the diameter of the inner cavity of the pressure relief groove.

[0009] As a preferred solution, the bottom end of the threaded rod is fixedly connected to a limit plate, and the diameter of the limit plate is larger than the diameter of the threaded block.

[0010] As a preferred solution, guide grooves are provided at the tops of both sides of the inner wall of the box, the inner cavities of the guide grooves are slidably connected with guide blocks, and the inner sides of the guide blocks are fixedly connected to the outer sides of the movable plates.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model starts a motor through a processor, and the motor starts to drive the threaded rod to rotate. The rotation of the threaded rod drives the threaded block to move on the surface of the threaded rod through the thread. The movement of the threaded block drives the moving plate to move. The movement of the moving plate drives the moving column to move. The movement of the moving column drives the pressure regulating plate and the sealing gasket to move up, so that the connecting pipe is exposed. The gas pressure in the inner cavity of the pneumatic feeding pipe enters the inner cavity of the box through the connecting pipe, and then the excess air pressure is discharged through the pressure relief groove. The pressure can be automatically relieved to prevent the pneumatic feeding pipe from bursting and damage, thereby achieving the advantage of automatic pressure relief. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a front view of the structure section of the utility model;

[0015] Figure 3This is an enlarged cross-sectional view of the internal structure of the automatic pressure relief component of the utility model.

[0016] In the figure: 1. bottom plate; 2. support column; 3. feeder; 4. hopper; 5. feed pipe; 6. pneumatic feed pipe; 7. connecting pipe; 8. blower; 9. exhaust pipe; 10. automatic pressure relief assembly; 101. box; 102. connecting pipe; 103. pressure setter; 104. processor; 105. pressure relief groove; 106. motor; 107. threaded rod; 108. threaded block; 109. moving plate; 1010. moving column; 1011. pressure regulating plate; 1012. sealing gasket; 1013. lifting mounting plate; 1014. pressure sensor; 1015. dustproof net; 1016. limit plate; 1017. guide groove; 1018. guide block; 11. mounting seat. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. Example

[0019] See also Figure 1-Figure 3 As shown, the utility model provides a pressure regulating device for pneumatic conveying of powder materials, including a base plate 1, four corners on the right side of the top of the base plate 1 are fixedly connected with support columns 2, the top of the support column 2 is fixedly connected with a feeder 3, the top of the feeder 3 is connected with a feeding hopper 4, the center of the bottom of the feeder 3 is connected with a feed discharge pipe 5, the bottom of the feed discharge pipe 5 is connected with a pneumatic conveying pipe 6, the left side of the pneumatic conveying pipe 6 is connected with a connecting pipe 7, the left side of the connecting pipe 7 is connected with a blower 8, the left side of the blower 8 is connected with an exhaust pipe 9, and the left side of the top of the pneumatic conveying pipe 6 is provided with an automatic pressure relief component 10.

[0020] Through the above technical solution, the bottom of the blower 8 is fixedly connected to the mounting base 11, and the bottom of the mounting base 11 is fixedly installed on the left side of the top of the base plate 1. By setting the automatic pressure relief component 10, it plays a role of automatic pressure relief to prevent high-pressure bursting of the pneumatic conveying pipe. By setting the mounting base 11, the blower 8 can be easily fixed and installed and disassembled. Example

[0021] On the basis of embodiment 1, the utility model is as follows Figure 1-Figure 3 As shown, the automatic pressure relief assembly 10 disclosed includes a box body 101, the bottom of the box body 101 is fixedly connected to the left side of the top of the pneumatic feeding pipe 6, the bottom of the box body 101 is connected to a connecting pipe 102, the bottom of the connecting pipe 102 is connected to the left side of the top of the pneumatic feeding pipe 6, the top of the front of the box body 101 is fixedly connected to a pressure setter 103, the bottom of the front of the box body 101 is fixedly connected to a processor 104, both sides of the top of the box body 101 are provided with pressure relief grooves 105, the center of the top of the inner wall of the box body 101 is fixedly connected to a motor 106, the output end of the motor 106 is fixedly connected to a threaded rod 107, and the surface of the threaded rod 107 is threaded A threaded block 108 is connected, and movable plates 109 are fixedly connected on both sides of the threaded block 108. A movable column 1010 is fixedly connected to the bottom of the movable plate 109, and a pressure regulating plate 1011 is fixedly connected to the bottom end of the movable column 1010. A sealing gasket 1012 is bonded to the bottom of the pressure regulating plate 1011, and the bottom of the sealing gasket 1012 contacts the bottom of the inner wall of the box body 101. A lifting mounting plate 1013 is fixedly connected to the center of the bottom of the pressure regulating plate 1011, and the bottom end of the lifting mounting plate 1013 penetrates into the inner cavity of the pneumatic feeding pipe 6, and a pressure sensor 1014 is fixedly connected to the bottom of the left side of the lifting mounting plate 1013.

[0022] Through the above technical solution, the inner wall of the pressure relief groove 105 is fixedly connected with a dustproof net 1015, the diameter of the dustproof net 1015 is smaller than the diameter of the inner cavity of the pressure relief groove 105, the bottom end of the threaded rod 107 is fixedly connected with a limit plate 1016, the diameter of the limit plate 1016 is larger than the diameter of the threaded block 108, and the tops of both sides of the inner wall of the box body 101 are provided with guide grooves 1017, and the inner cavity of the guide groove 1017 is slidably connected with a guide block 1018, and the inner side of the guide block 1018 is connected to the movable plate 108. 9 is fixedly connected to the outer side, and by providing a dustproof net 1015, the inner cavity of the box body 101 is dust-proof to prevent dust from entering the inner cavity of the box body 101 through the pressure relief groove 105. By providing a limiting plate 1016, the threaded block 108 is limited to prevent the threaded block 108 from detaching from the surface of the threaded rod 107. By providing a guide groove 1017 and a guide block 1018, the movable plate 109 is stabilized during movement, thereby increasing the stability of the movable plate 109 during movement.

[0023] The working principle of the utility model is as follows: first, a pressure value is set by the pressure setter 103 and sent to the processor 104, then the pressure sensor 1014 senses the pressure in the inner cavity of the pneumatic feeding pipe 6 and sends it to the processor 104, the processor 104 performs a comparison, if the pressure sensed by the pressure sensor 1014 is higher than the pressure value set by the pressure setter 103, the processor 104 starts the motor 106, the motor 106 starts to drive the threaded rod 107 to rotate, the threaded rod 107 rotates and drives the threaded block 108 to move on the surface of the threaded rod 107 through the thread, the threaded block 108 moves and drives the moving plate 109 to move, the moving plate 109 moves and drives the moving column 1010 to move, and the moving column 101 0 moves to drive the pressure regulating plate 1011 and the sealing gasket 1012 to move upward, so that the connecting pipe 102 is exposed, and the gas pressure in the inner cavity of the pneumatic feeding pipe 6 enters the inner cavity of the box body 101 through the connecting pipe 102, and then the excess air pressure is discharged through the pressure relief groove 105, which can automatically relieve the pressure to prevent the pneumatic feeding pipe 6 from bursting and being damaged, thereby achieving the advantage of automatic pressure relief. After the pressure relief is completed, the motor 106 starts to drive the threaded rod 107 to reverse, thereby driving the threaded block 108, the moving plate 109, the moving column 1010, the pressure regulating plate 1011 and the sealing gasket 1012 to reset, so that the pressure regulating plate 1011 and the sealing gasket 1012 block the top of the connecting pipe 102.

[0024] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0025] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention).

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A pressure regulating device for pneumatic conveying of powder materials, comprising a bottom plate (1), characterized in that: The four right corners of the top of the bottom plate (1) are fixedly connected to support columns (2), the top of the support column (2) is fixedly connected to a feeder (3), the top of the feeder (3) is connected to a feed hopper (4), the center of the bottom of the feeder (3) is connected to a feed pipe (5), the bottom of the feed pipe (5) is connected to a pneumatic feed pipe (6), the left side of the pneumatic feed pipe (6) is connected to a connecting pipe (7), the left side of the connecting pipe (7) is connected to a blower (8), the left side of the blower (8) is connected to an exhaust pipe (9), and the left side of the top of the pneumatic feed pipe (6) is provided with an automatic pressure relief component (10).

2. A pressure regulating device for pneumatic conveying of powder materials according to claim 1, characterized in that: The bottom of the blower (8) is fixedly connected to a mounting seat (11), and the bottom of the mounting seat (11) is fixedly mounted to the left side of the top of the base plate (1).

3. A pressure regulating device for pneumatic conveying of powder materials according to claim 1, characterized in that: The automatic pressure relief assembly (10) comprises a box (101), the bottom of the box (101) is fixedly connected to the left side of the top of the pneumatic material conveying pipe (6), the bottom of the box (101) is connected to a connecting pipe (102), the bottom of the connecting pipe (102) is connected to the left side of the top of the pneumatic material conveying pipe (6), the top of the front of the box (101) is fixedly connected to a pressure setter (103), the bottom of the front of the box (101) is fixedly connected to a processor (104), both sides of the top of the box (101) are provided with pressure relief grooves (105), the center of the top of the inner wall of the box (101) is fixedly connected to a motor (106), the output end of the motor (106) is fixedly connected to a threaded rod (107), and the surface of the threaded rod (107) is threaded. A threaded block (108) is connected to the casing (101), both sides of the threaded block (108) are fixedly connected to a moving plate (109), the bottom of the moving plate (109) is fixedly connected to a moving column (1010), the bottom end of the moving column (1010) is fixedly connected to a pressure regulating plate (1011), the bottom of the pressure regulating plate (1011) is bonded to a sealing gasket (1012), the bottom of the sealing gasket (1012) is in contact with the bottom of the inner wall of the casing (101), a lifting installation plate (1013) is fixedly connected at the center of the bottom of the pressure regulating plate (1011), the bottom end of the lifting installation plate (1013) penetrates into the inner cavity of the pneumatic feeding pipe (6), and the bottom of the left side of the lifting installation plate (1013) is fixedly connected to a pressure sensor (1014).

4. A pressure regulating device for pneumatic conveying of powder materials according to claim 3, characterized in that: A dustproof net (1015) is fixedly connected to the inner wall of the pressure relief groove (105); the diameter of the dustproof net (1015) is smaller than the diameter of the inner cavity of the pressure relief groove (105).

5. The pressure regulating device for pneumatic conveying of powder materials according to claim 3, characterized in that: The bottom end of the threaded rod (107) is fixedly connected to a limiting plate (1016), and the diameter of the limiting plate (1016) is greater than the diameter of the threaded block (108).

6. A pressure regulating device for pneumatic conveying of powder materials according to claim 3, characterized in that: The tops of both sides of the inner wall of the box body (101) are provided with guide grooves (1017), the inner cavity of the guide grooves (1017) is slidably connected to a guide block (1018), and the inner side of the guide block (1018) is fixedly connected to the outer side of the movable plate (109).

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