Reciprocating non-return type wear-resistant fluidizing device for pneumatic conveying system

Abstract

The utility model relates to the technical field of pneumatic conveying system fluidization devices, and discloses a reciprocating non-return type wear-resistant fluidization device for a pneumatic conveying system, which comprises a bin pump, a mounting plate, an outer sleeve, an inner sleeve and a screw sleeve, the screw sleeve is arranged on the mounting plate, and a buffer gasket is arranged at the top of the inner sleeve. The outer wall face of the outer sleeve is provided with the outer vent holes, the outer wall face of the inner sleeve is provided with the inner vent holes, when compressed air enters the inner sleeve, the spring between the top of the outer side of the inner sleeve and the upper portion of the inner side of the outer sleeve is compressed, the top of the inner sleeve and the upper portion of the outer sleeve are limited, and the inner vent holes in the inner sleeve are aligned with the outer vent holes in the outer sleeve, so that air is circulated; after compressed air stops, the elastic force of the spring between the outer sleeve and the inner sleeve acts on the inner sleeve, the inner sleeve moves downwards to enable the inner vent hole and the outer vent hole to be staggered, a good non-return effect is achieved, it is guaranteed that materials cannot enter the air pipeline, and the problem that the air pipeline is blocked by the materials due to the fact that a common fluidizing device does not have the non-return effect is solved.

Description

Technical Field

[0001] This utility model relates to the technical field of fluidization devices for pneumatic conveying systems, and in particular to a reciprocating non-stop wear-resistant fluidization device for pneumatic conveying systems. Background Technology

[0002] There are three existing types of fluidization devices: filter cloth fluidized bed, pagoda fluidized bed, and fluidized umbrella type. Traditional fluidized bed devices have various problems during use:

[0003] 1. The fluidizing gas pressure of the filter cloth fluidizing disc is relatively low, which can easily cause materials to sink and accumulate;

[0004] 2. The pagoda-type fluidizing disc does not have a backflow prevention function. Accumulated material can cause blockage of the air inlet pipe, which can accelerate the wear of the fluidizing disc and the air inlet pipe, resulting in ash conveying failure.

[0005] 3. Fluidized umbrella-type systems use rubber materials, resulting in a short lifespan and poor wear resistance.

[0006] Therefore, those skilled in the art have provided a reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system to solve the problems mentioned in the background art. Utility Model Content

[0007] To address the shortcomings of existing technologies, this utility model provides a reciprocating non-returning wear-resistant fluidizing device for pneumatic conveying systems, which solves the problems mentioned in the background art.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] A reciprocating non-return wear-resistant fluidizing device for a pneumatic conveying system includes: a silo pump; the fluidizing device further includes a mounting plate, an outer sleeve, an inner sleeve, and a threaded sleeve; the threaded sleeve is mounted on the mounting plate; the outer sleeve and the inner sleeve are restored to their initial state by springs; a buffer pad is provided on the top of the inner sleeve to effectively solve the impact on the outer sleeve during the reciprocating motion of the inner sleeve; the outer sleeve has multiple external vent holes; the inner sleeve has multiple internal vent holes; a discharge valve is installed on the ash conveying pipe of the silo pump to control the conveying and stopping of materials; a feed valve is installed on the top of the silo pump; a one-way valve, a drain valve, and a throttling orifice plate are installed on the air inlet pipe of the fluidizing device; the one-way valve is used to prevent compressed air backflow; the drain valve is used to clean foreign objects in the air inlet pipe; and the throttling orifice plate is used to adjust the air intake of the fluidizing device.

[0010] According to the pneumatic conveying system, a reciprocating non-returning wear-resistant fluidizing device is provided on the mounting plate, and the outer sleeve is connected to the outer sleeve by threads. A buffer sealing gasket is provided between the outer sleeve and the mounting plate.

[0011] According to the pneumatic conveying system using a reciprocating non-stop wear-resistant fluidizing device, the outer sleeve and inner sleeve are restored to their initial state by springs.

[0012] According to the pneumatic conveying system using a reciprocating non-returning wear-resistant fluidizing device, the buffer pad is located above the inner sleeve, and both the buffer pad and the spring are located inside the outer sleeve cavity.

[0013] According to the reciprocating non-stop wear-resistant fluidizing device for the pneumatic conveying system, the outer sleeve is fixedly penetrated by a positioning pin, and the outer wall of the inner sleeve is provided with a first sliding hole a and a second sliding hole b, and the positioning pin movably passes through the first sliding hole a and the second sliding hole b.

[0014] According to the pneumatic conveying system using a reciprocating non-stop wear-resistant fluidizing device, a buffer sealing gasket is provided between the bottom of the outer jacket and the mounting plate.

[0015] According to the reciprocating non-stop wear-resistant fluidizing device used in the pneumatic conveying system, after the inner sleeve is raised to the position, the inner vent hole can communicate with the outer vent hole on the outer wall of the outer sleeve.

[0016] This invention provides a reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system. It has the following advantages:

[0017] (1) By opening an external vent on the outer wall of the outer sleeve and an internal vent on the outer wall of the inner sleeve, when compressed air enters the inner sleeve, the spring between the top of the outer side of the inner sleeve and the upper part of the inner side of the outer sleeve is compressed, the top of the inner sleeve and the upper part of the outer sleeve are limited, and the internal vent on the inner sleeve and the outer sleeve are aligned with the external vent, so that air can circulate. After the compressed air stops, the elastic force of the spring between the outer sleeve and the inner sleeve acts on the inner sleeve, and the inner sleeve moves down, causing the internal vent and the external vent to be misaligned, which plays a good backstop function and ensures that the material cannot enter the air pipe. This solves the problem of the air pipe being blocked by material due to the lack of backstop function in ordinary fluidization devices.

[0018] (2) The ventilation holes of the inner and outer jacket of the fluidizing device are lined with wear-resistant ceramics, which improves the wear resistance of the fluidizing device and solves the problem of ordinary fluidizing devices being not resistant to erosion.

[0019] (3) The inner and outer sleeves of the fluidizing device are guided by pin shafts to ensure that the inner and outer sleeves always maintain the correct relative position. The top of the inner sleeve is designed with a buffer pad, which can effectively solve the impact when the inner and outer sleeves reciprocate. The buffer pad plays a positioning role between the top of the inner sleeve and the upper part of the outer sleeve, making the fluidizing device run more smoothly and solving the problem of poor fluidization effect of ordinary fluidizing devices. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the silo pump structure of a reciprocating non-stop wear-resistant fluidization device for a pneumatic conveying system according to this utility model.

[0021] Figure 2This is a three-dimensional structural diagram of a reciprocating non-stop wear-resistant fluidizing device for a pneumatic conveying system according to the present invention.

[0022] Figure 3 This is a cross-sectional schematic diagram of a reciprocating non-stop wear-resistant fluidizing device for a pneumatic conveying system according to the present invention.

[0023] Figure 4 This is an exploded view of the structure of a reciprocating non-stop wear-resistant fluidizing device for a pneumatic conveying system according to this utility model.

[0024] Legend:

[0025] 101. Mounting plate; 102. Screw sleeve; 103. Outer sleeve; 104. Inner sleeve; 105. Spring; 106. Buffer gasket; 107. Outer vent; 108. Inner vent; 109. Positioning pin; 110a. First sliding hole; 110b. Second sliding hole; 111. Buffer sealing gasket; 112. Silo pump; 113. Discharge valve; 114. Check valve; 115. Drain valve; 116. Throttling orifice plate; 117. Feed valve. Detailed Implementation

[0026] like Figure 1-4 As shown: A reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system includes: a silo pump 112; the fluidizing device further includes a mounting plate 101, an outer sleeve 103, an inner sleeve 104, and a threaded sleeve 102; the threaded sleeve 102 is mounted on the mounting plate 101; the outer sleeve 103 and the inner sleeve 104 are restored to their initial state by a spring 105; a buffer pad 106 is provided on the top of the inner sleeve 104 to effectively solve the impact on the outer sleeve 103 during the reciprocating motion of the inner sleeve 104; the outer sleeve 103 has multiple external vent holes 107; the inner sleeve 104... The sleeve 104 has multiple internal vent holes 108. The ash conveying pipe of the silo pump 112 is equipped with a discharge valve 113 to control the conveying and stopping of materials. The top of the silo pump 112 is equipped with a feed valve 117 to control the entry of materials. The air inlet pipe of the fluidizing device is equipped with a check valve 114, a drain valve 115 and a throttling orifice plate 116. The check valve 114 is used to prevent compressed air backflow, the drain valve 115 is used to clean foreign objects in the air inlet pipe, and the throttling orifice plate 116 is used to adjust the air intake of the fluidizing device.

[0027] Specifically, by opening an external vent 107 on the outer wall of the outer sleeve 103 and an internal vent 108 on the outer wall of the inner sleeve 104, when compressed air enters the inner sleeve 104, the spring 105 between the top of the outer side of the inner sleeve 104 and the upper part of the inner side of the outer sleeve 103 is compressed, and the top of the inner sleeve 104 is limited to the upper part of the outer sleeve 103. The vent 108 of the inner sleeve 104 and the external vent 107 on the outer sleeve 103 are aligned, allowing air to circulate. After the compressed air stops, the elastic force of the spring 105 between the outer sleeve 103 and the inner sleeve 104 acts on the inner sleeve 104, and the inner sleeve 104 moves down, causing the internal vent 108 and the external vent 107 to be misaligned, which plays a good role in preventing backflow and ensuring that materials cannot enter the air pipe. This solves the problem of air pipes being blocked by materials in ordinary fluidization devices that do not have a backflow prevention function.

[0028] The mounting plate 101 is provided with a screw sleeve 102, and the outer sleeve 103 is connected to the screw sleeve 102 by threads. A buffer sealing gasket 111 is provided between the outer sleeve 103 and the mounting plate 101.

[0029] Specifically, by providing a screw sleeve 102 on the mounting plate 101, it is easy to install the outer sleeve 103. A buffer sealing gasket 111 is provided between the outer sleeve 103 and the mounting plate 101, which improves the sealing performance of the equipment and ensures stable operation.

[0030] The buffer pad 106 is located above the inner sleeve 104, and both the buffer pad 106 and the spring 105 are located inside the cavity of the outer sleeve 103.

[0031] Specifically, by setting both the buffer pad 106 and the spring 105 inside the outer sleeve 103, the buffer pad 106 plays a buffering role and protects the inner sleeve 104.

[0032] The outer sleeve 103 is fixedly connected by a positioning pin 109, and the outer wall of the inner sleeve 104 is provided with a first sliding hole 110a and a second sliding hole 110b. The positioning pin 109 is movably connected through the first sliding hole 110a and the second sliding hole 110b.

[0033] Specifically, the inner sleeve 104 has a first sliding hole 110a and a second sliding hole 110b through its outer wall. The positioning pin 109 moves through the first sliding hole 110a, the second sliding hole 110b and the outer sleeve 103. The positioning pin 109 limits the inner sleeve 104, so that the inner sleeve 104 can only move up and down and cannot rotate, thus ensuring the stable operation of the device.

[0034] A buffer sealing gasket is provided between the bottom of the outer casing 103 and the mounting plate 101.

[0035] Specifically, the sealing performance of the equipment is improved by providing a buffer sealing gasket between the bottom of the outer casing 103 and the mounting plate 101.

[0036] After the inner sleeve 104 is raised to the correct position, the inner vent 108 can communicate with the outer vent 107 on the outer wall of the outer sleeve 103.

[0037] Specifically, by setting the inner vent 108 of the inner sleeve 104 to be connected with the outer vent 107 on the outer wall of the outer sleeve 103 after it is raised to the position, air can circulate. When the inner vent 108 and the outer vent 107 are misaligned, it is ensured that materials cannot enter the air duct.

[0038] The working principle of a reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system is as follows: An external vent 107 is opened on the outer wall of the outer sleeve 103, and an internal vent 108 is opened on the outer wall of the inner sleeve 104. When compressed air enters the inner sleeve 104, the spring 105 between the top of the outer side of the inner sleeve 104 and the upper part of the inner side of the outer sleeve 103 is compressed, limiting the top of the inner sleeve 104 to the upper part of the outer sleeve 103. The vent 108 of the inner sleeve 104 and the external vent 107 on the outer sleeve 103 are aligned, allowing airflow. After the compressed air stops, the elastic force of the spring 105 between the outer sleeve 103 and the inner sleeve 104 acts on the inner sleeve 104, causing the inner sleeve 104 to move downwards, resulting in misalignment between the internal vent 108 and the external vent 107. This provides a good non-returning function, ensuring that materials cannot enter the air pipe, thus solving the problem of air pipe blockage caused by materials in ordinary fluidizing devices that lack a non-returning function.

[0039] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system, comprising a silo pump (112), characterized in that: The fluidization device further includes a mounting plate (101), an outer sleeve (103), an inner sleeve (104), and a threaded sleeve (102). The threaded sleeve (102) is mounted on the mounting plate (101). The outer sleeve (103) and the inner sleeve (104) are restored to their initial state by a spring (105). A buffer pad (106) is provided on the top of the inner sleeve (104) to effectively solve the impact on the outer sleeve (103) when the inner sleeve (104) reciprocates. The outer sleeve (103) has multiple external vent holes (107), and the inner sleeve (104) has multiple external vent holes (107). The device is equipped with multiple internal vents (108). A discharge valve (113) is installed on the ash conveying pipe of the silo pump (112) to control the material conveying and stopping. A feed valve (117) is installed at the top of the silo pump (112). A check valve (114), a drain valve (115), and a throttling orifice plate (116) are installed on the air inlet pipe of the fluidizing device. The check valve (114) is used to prevent compressed air backflow, the drain valve (115) is used to clean foreign objects in the air inlet pipe, and the throttling orifice plate (116) is used to adjust the air intake of the fluidizing device.

2. The reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system according to claim 1, characterized in that: The mounting plate (101) is provided with a screw sleeve (102), and the outer sleeve (103) is connected to the screw sleeve (102) by threads. A buffer sealing gasket (111) is provided between the outer sleeve (103) and the mounting plate (101).

3. The reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system according to claim 1, characterized in that: The outer sleeve (103) and inner sleeve (104) are restored to their initial state by springs (105).

4. The reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system according to claim 1, characterized in that: The buffer pad (106) is located above the inner sleeve (104), and both the buffer pad (106) and the spring (105) are located inside the outer sleeve (103).

5. The reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system according to claim 1, characterized in that: The outer sleeve (103) is fixedly penetrated by a positioning pin (109), and the outer wall of the inner sleeve (104) is provided with a first sliding hole (110a) and a second sliding hole (110b). The positioning pin (109) is movably penetrated through the first sliding hole (110a) and the second sliding hole (110b).

6. The reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system according to claim 1, characterized in that: A buffer sealing gasket is provided between the bottom of the outer jacket (103) and the mounting plate (101).

7. The reciprocating non-returning wear-resistant fluidizing device for a pneumatic conveying system according to claim 1, characterized in that: After the inner sleeve (104) is raised to the position, the inner vent (108) can communicate with the outer vent (107) on the outer wall of the outer sleeve (103).

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