Pneumatic conveying system of PTA (pure terephthalic acid) production device

By designing support and sealing components, the problems of air leakage and noise in the pneumatic conveying device of the PTA production unit were solved, achieving stable connection of the air duct and noise reduction effect, and improving the sealing performance and operating efficiency of the pneumatic conveying system.

CN223881938UActive Publication Date: 2026-02-06GUANGDONG JIAYAN ENGINEERING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422723832.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2026-02-06
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Existing PTA production equipment's pneumatic conveying devices are prone to air leakage, noise pollution, and vibration at the duct connection points, resulting in air volume loss and energy waste, and flange connections are prone to loosening.

Method used

Support and sealing components are used to improve the support and sealing of the duct, while noise reduction components reduce equipment vibration and noise. The combination of the housing and noise reduction components enhances the connection strength and sealing of the air conveying device.

Benefits of technology

It effectively prevents air leakage at duct interfaces, reduces noise pollution, improves the sealing and stability of the air conveying device, and reduces energy waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an air supply system of a PTA (pure terephthalic acid) production device, which comprises an air supply device and a shell, the air supply device is arranged in the shell, a noise reduction component is arranged in the shell, and the air supply device is arranged on the noise reduction component; and the supporting assembly is arranged on one side of the shell and used for supporting the air pipe, a sealing assembly is arranged on one side of the supporting assembly, and one end of the sealing assembly is arranged at the air outlet end of the air conveying device. The air conveying device is damped, noise and vibration caused when the air conveying device is used are reduced through the cooperation of the shell, one end of the air pipe is supported through the supporting assembly, meanwhile, connection between the air pipe and an air outlet of the air conveying device is improved through cooperation of the sealing assembly, and therefore the situation that one end of the air pipe droops due to stress is avoided, and the service life of the air conveying device is prolonged. In addition, the sealing performance of the pneumatic conveying device is improved, and therefore the advantage that the connecting firmness and the sealing performance of the connector are improved is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to PTA production device technical field especially relates to a kind of wind sending system of PTA production device. BACKGROUND

[0002] PTA is the English abbreviation of purified terephthalic acid, it is an important bulk organic raw material, white crystal or powder at room temperature, low toxicity and flammable, main use is production polyester fiber (polyester filament and short fiber), polyester bottle piece and polyester film, in production process, in order to reduce dust flying, improve working environment, protect worker's health, reduce pollution to environment, wind sending system is used to transport PTA, wind sending system is a kind of power using airflow, PTA in production process, wind sending system is the important part connected different production links.

[0003] However, prior art has some problems: current existing wind sending device generally needs to cooperate with air pipe to complete the transportation of PTA, but existing air pipe and wind sending device outlet pipe connection generally adopt flange connection, such connection mode is prone to interface air leakage, can cause excessive air loss, cannot satisfy air volume requirement, and cause energy waste, and existing wind sending device when working, fan runs and can produce noise, simultaneously can be accompanied by vibration, prone to make flange loose, lead to interface loose, there is certain limitation, therefore we propose a kind of wind sending system of PTA production device. SUMMARY

[0004] In view of the problems existing in the prior art, the utility model aims at providing a kind of wind sending system of PTA production device, by the noise reduction component, the shock absorption of wind sending device, cooperate with shell to reduce the noise and vibration brought by wind sending device when using, by support component, wind pipe one end is supported, simultaneously by the cooperation of sealing component, improve the outlet connection of air pipe and wind sending device, to this not only avoid the problem that wind pipe one end is stressed and appears droop, lead to air leakage, but also improve the sealing property of wind sending device, so as to reach the interface connection firmness and sealing property of improvement.

[0005] The utility model is realized as follows, a kind of wind sending system of PTA production device, including:

[0006] Wind sending device and shell, the wind sending device is set in shell interior, the shell interior is provided with noise reduction component, the wind sending device is set on noise reduction component;

[0007] Support component, the support component is set in shell one side, to be used to support air pipe, the support component one side is provided with sealing component, the sealing component one end is set in wind sending device air outlet;

[0008] The support assembly includes a fixed plate, a connecting rod is slidably installed on the upper end of the fixed plate, a clamping part is arranged at one end of the connecting rod and corresponds to the orifice, a motor is arranged at one end of the fixed plate, a ball screw is arranged at one end of the output shaft of the motor, a sliding sleeve is arranged on the outer surface of the ball screw, the sliding sleeve is arranged on one side of the connecting rod, grooves are formed at both ends of the upper surface of the fixed plate, the other end of the connecting rod is arranged in the grooves, a notch is formed in the middle of the fixed plate, the ball screw is located in the notch, the notch and the grooves are communicated, and the clamping part includes an electric sliding table, which is arranged at one end of the connecting rod, and two sets of clamping plates are arranged on the upper surface of the electric sliding table.

[0009] The noise reduction assembly includes a connecting plate, a plurality of shock absorbers are arranged at the lower end of the connecting plate, and a folding plate is arranged at the lower end of the connecting plate.

[0010] Optionally, the air feeding device comprises a rotary valve, a plurality of air outlet pipes are arranged outside the rotary valve, an inlet is arranged at the upper end of the rotary valve, and holes are formed in the two sides of the shell and correspond to the inlet.

[0011] Optionally, the sealing assembly comprises a fixed sleeve and a connecting part, the fixed sleeve is arranged at one end of the air outlet pipe, the connecting part is arranged at one end of the electric sliding table, an encryption ring is arranged at one end of the fixed sleeve, and the encryption ring is clamped with the connecting part.

[0012] Optionally, the connecting part comprises a connecting sleeve and a fixed seat, the fixed seat is arranged at one end of the electric sliding table, the connecting sleeve is rotatably installed at the upper end of the fixed seat, a limiting rod is arranged at one end of the connecting sleeve, a limiting groove is formed in one side of the fixed sleeve, and the limiting rod is clamped with the limiting groove.

[0013] Optionally, a limiting plate is arranged at the upper end of the fixed seat, the limiting plate is located above the connecting sleeve, and an electric push rod is arranged between the fixed seat and the limiting plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The support assembly and the sealing assembly are matched, which not only supports the air pipe and provides a guiding effect for the air pipe, but also facilitates the butt joint of the air pipe and the air outlet pipe, improves the installation convenience, improves the sealing property after connection through the sealing assembly, effectively avoids the air leakage of the joint, causes the excessive loss of air volume, cannot meet the air volume requirement, and causes the energy waste.

[0016] 2. The noise reduction assembly is arranged, the vibration transmission of the equipment can be reduced when the air feeding device operates, the noise generated when the air feeding device operates can be effectively reduced by cooperating with the shell, and the noise reduction effect is achieved.

[0017] Other features and advantages of the present application will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, illustrating by way of example the principles of the application. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram provided by the present application;

[0019] Figure 2 is a schematic diagram of the air feeding device provided by the present application;

[0020] Figure 3 is a schematic diagram of the noise reduction assembly provided by the present application;

[0021] Figure 4 is a schematic diagram of the support assembly provided by the present application;

[0022] Figure 5 is a schematic diagram of the sealing assembly provided by the present application;

[0023] Figure 6 is a schematic diagram of the fixing sleeve provided by the present application.

[0024] In the figure: 1, air feeding device; 101, rotary valve; 102, air outlet pipe; 103, feed inlet; 2, shell; 3, support assembly; 301, fixed plate; 302, ball screw; 303, motor; 304, connecting rod; 305, sliding sleeve; 306, electric sliding table; 307, clamping plate; 4, sealing assembly; 401, fixing sleeve; 402, connecting part; 4021, connecting sleeve; 4022, fixed seat; 4023, electric push rod; 4024, limiting plate; 4025, limiting rod; 403, encryption ring; 404, limiting groove; 5, noise reduction assembly; 501, connecting plate; 502, folding plate; 503, shock absorber. DETAILED DESCRIPTION

[0025] In order to further understand the utility model content, characteristics and efficacy of the present application, the following examples are given, and the detailed description is as follows in conjunction with the drawings.

[0026] As Figures 1 to 6 shown, the air feeding system of the PTA production device provided by the embodiment of the present application comprises: air feeding device 1 and shell 2, air feeding device 1 is arranged inside shell 2, noise reduction assembly 5 is arranged inside shell 2, air feeding device 1 is arranged on noise reduction assembly 5; support assembly 3, support assembly 3 is arranged on one side of shell 2, for supporting air pipe, sealing assembly 4 is arranged on one side of support assembly 3, one end of sealing assembly 4 is arranged at the air outlet end of air feeding device 1;

[0027] Specifically, as Figure 1 shown, the air feeding system of the PTA production device provided by the embodiment of the present application comprises: air feeding device 1 and shell 2, air feeding device 1 is arranged inside shell 2, noise reduction assembly 5 is arranged inside shell 2, air feeding device 1 is arranged on noise reduction assembly 5; support assembly 3, support assembly 3 is arranged on one side of shell 2, for supporting air pipe, sealing assembly 4 is arranged on one side of support assembly 3, one end of sealing assembly 4 is arranged at the air outlet end of air feeding device 1;Figure 2 As shown, the air supply device 1 needs to be matched with the air pipe for conveying PTA, so when in use, place one end of the air pipe on the upper end of the support assembly 3 and make the one end of the air pipe located in the sealing assembly 4, then clamp and fix the air pipe through the support assembly 3, then slide the support assembly 3 to make the one end of the air pipe connected with the air outlet end of the air supply device 1, at this time, the two ends of the sealing assembly 4 will be clamped to seal the connection between the air pipe and the air outlet end of the air supply device 1, so as to improve the sealing performance after connection and avoid air leakage at the joint. At the same time, the support assembly 3 supports the connection end of the air pipe, which can avoid the situation that the one end of the air pipe is drooping during installation, causing misalignment of the connection, so as to facilitate the connection of the air pipe and the air supply device 1, and improve the sealing performance after connection through the sealing assembly 4, which can effectively avoid air leakage at the joint, excessive loss of air volume, and cannot meet the air volume requirement, causing energy waste.

[0028] It is worth noting that the air supply device 1 may vibrate during use, which not only increases the noise during use, but also causes damage or loosening of the remaining structure of the air supply device 1 due to vibration during long-term operation. Therefore, the noise reduction assembly 5 is arranged inside the shell 2 to reduce the vibration transmission of the equipment and reduce the noise. It should be noted that some noise reduction materials can be placed inside the shell 2 to further solve the noise problem in cooperation with the noise reduction assembly 5.

[0029] Further, the air supply device 1 comprises a rotary valve 101, a plurality of air outlet pipes 102 are arranged outside the rotary valve 101, an inlet 103 is arranged at the upper end of the rotary valve 101, and a hole is formed in the both sides of the shell 2, and the inlet 103 is arranged in correspondence with the hole;

[0030] Specifically, as shown in Figure 1 and Figure 2 in use, pour the PTA into the rotary valve 101 from the inlet 103, then start the rotary valve 101 to convey the PTA from the air outlet pipe 102 by high-pressure gas force, so as to facilitate the conveying of PTA.

[0031] Further, the support assembly 3 comprises a fixed plate 301, a connecting rod 304 is slidably installed at the upper end of the fixed plate 301, a clamping part is arranged at one end of the connecting rod 304, and the clamping part is arranged in correspondence with the hole; the clamping part comprises an electric sliding table 306, the electric sliding table 306 is arranged at one end of the connecting rod 304, and two clamping plates 307 are arranged on the upper surface of the electric sliding table 306;

[0032] Specifically, as shown in Figure 1 and Figure 4As shown, the end of the air pipe is placed on the electric sliding table 306, the electric sliding table 306 is started, and the two sets of clamping plates 307 slide relative to each other to clamp and limit the air pipe, so that the air pipe cannot move, thereby achieving the effect of not only supporting the air pipe but also providing a guiding effect for the air pipe to facilitate the butt joint of the air pipe and the air outlet pipe 102, improving the installation convenience.

[0033] Further, one end of the fixed plate 301 is provided with a motor 303, the output shaft of the motor 303 is provided with a ball screw 302, the outer surface of the ball screw 302 is provided with a sliding sleeve 305, and the sliding sleeve 305 is arranged on one side of the connecting rod 304;

[0034] Specifically, as shown in the figure, Figure 4 the motor 303 adopts a bidirectional motor, during use, the motor 303 rotates clockwise to drive the ball screw 302 to rotate, at this time the sliding sleeve 305 drives the connecting rod 304 to move closer to the shell 2 side, on the contrary, the motor 303 rotates counterclockwise to drive the ball screw 302 to rotate, at this time the sliding sleeve 305 drives the connecting rod 304 to move away from the shell 2 side, thereby achieving the effect of guiding, and when air leakage occurs during use, the end of the air pipe can be slid again to make the end of the air pipe recombine with the air outlet pipe 102, solving the problem of air leakage.

[0035] Further, the upper surface of the fixed plate 301 is provided with a sliding groove at both ends, the other end of the connecting rod 304 is arranged in the sliding groove, a slot is formed in the middle of the fixed plate 301, the ball screw 302 is located in the slot, and the slot and the sliding groove are communicated;

[0036] Specifically, as shown in the figure, Figure 4 the design that the slot and the sliding groove are communicated enables the sliding sleeve 305 to drive the connecting rod 304 to slide when the ball screw 302 drives the sliding sleeve 305 to slide, thereby achieving the effect of facilitating normal use and avoiding the situation that movement is blocked.

[0037] Further, the sealing assembly 4 comprises a fixed sleeve 401 and a connecting component 402, the fixed sleeve 401 is arranged at one end of the air outlet pipe 102, the connecting component 402 is arranged at one end of the electric sliding table 306, and the fixed sleeve 401 is provided with an encryption ring 403 at one end, and the encryption ring 403 is connected with the connecting component 402;

[0038] Specifically, as shown in the figure, Figures 4 to 6 the end of the air pipe is located in the connecting component 402, then the electric sliding table 306 is slid on the fixed plate 301 to one end to make the connecting component 402 butt joint with the fixed sleeve 401, at this time the encryption ring 403 is located at the connection between the air pipe and the air outlet pipe 102, thereby achieving the effect of improving the connection sealing.

[0039] Further, the connecting component 402 comprises a connecting sleeve 4021 and a fixing base 4022, the fixing base 4022 is arranged at one end of the electric sliding table 306, the connecting sleeve 4021 is rotatably arranged on the upper end of the fixing base 4022, one end of the connecting sleeve 4021 is provided with a limiting rod 4025, one side of the fixing sleeve 401 is provided with a limiting groove 404, and the limiting rod 4025 is clamped with the limiting groove 404;

[0040] Specifically, as shown in Figures 4 to 6 the limiting groove 404 is internally provided with an extension groove, so that the connecting sleeve 4021 is located on one side in the fixing sleeve 401, at this time, one end of the limiting rod 4025 is located in the limiting groove 404, then the connecting sleeve 4021 is rotated, the limiting rod 4025 is rotated in the limiting groove 404, one end of the limiting rod 4025 is moved to the inside of the extension groove, and the limiting rod 4025 is limited, so that the connecting sleeve 4021 and the fixing sleeve 401 are conveniently connected and fixed, and the operation error can be avoided, and the activity of the connecting sleeve 4021 is avoided.

[0041] Further, the upper end of the fixing base 4022 is provided with a limiting plate 4024, the limiting plate 4024 is located above the connecting sleeve 4021, and the fixing base 4022 and the limiting plate 4024 are provided with an electric push rod 4023;

[0042] Specifically, as shown in Figure 5 when the activity of the connecting sleeve 4021 is completed, the electric push rod 4023 is started, the limiting plate 4024 is driven to descend, the connecting sleeve 4021 is pressed downward, the connecting sleeve 4021 is limited, the connecting sleeve 4021 cannot be moved again, and the connection firmness is improved, the interface connection is avoided from being loose, and the gas leakage is avoided.

[0043] Further, the noise reduction assembly 5 comprises a connecting plate 501, a plurality of shock absorbers 503 are arranged on the lower end of the connecting plate 501, and a folding plate 502 is arranged on the lower end of the connecting plate 501.

[0044] Specifically, as shown in Figure 2 and Figure 3 the vibration generated by the rotary valve 101 is unloaded through the plurality of shock absorbers 503, the vibration transmission of the equipment is reduced, the effect of noise reduction is achieved, the folding plate 502 is used for auxiliary support, and the stability during use can be improved.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pneumatic conveying system of a PTA production plant, characterized in that, Include: The air supply device (1) and the shell (2), the air supply device (1) is arranged inside the shell (2), the shell (2) inside is provided with noise reduction assembly (5), the air supply device (1) is arranged on the noise reduction assembly (5); Support assembly (3), the support assembly (3) is arranged on one side of the shell (2) for supporting the air pipe, one side of the support assembly (3) is provided with sealing assembly (4), one end of the sealing assembly (4) is arranged at the air outlet end of the air supply device (1); The support assembly (3) includes a fixed plate (301), a connecting rod (304) is slidably installed on the upper end of the fixed plate (301), a clamping part is arranged at one end of the connecting rod (304), the clamping part is arranged in correspondence with the orifice, a motor (303) is arranged at one end of the fixed plate (301), a ball screw (302) is arranged at one end of the output shaft of the motor (303), a sliding sleeve (305) is arranged on the outer surface of the ball screw (302), the sliding sleeve (305) is arranged on one side of the connecting rod (304), the upper surface of the fixed plate (301) is provided with a sliding groove at both ends, the other end of the connecting rod (304) is arranged in the sliding groove, a slot is formed in the middle of the fixed plate (301), the ball screw (302) is located in the slot, and the slot is communicated with the sliding groove, the clamping part includes an electric sliding table (306), the electric sliding table (306) is arranged at one end of the connecting rod (304), and two groups of clamping plates (307) are arranged on the upper surface of the electric sliding table (306); The noise reduction assembly (5) includes a connecting plate (501), a plurality of shock absorbers (503) are arranged at the lower end of the connecting plate (501), and a folding plate (502) is arranged at the lower end of the connecting plate (501).

2. A pneumatic conveying system of a PTA production plant according to claim 1, characterized in that: The air supply device (1) includes a rotary valve (101), a plurality of air outlets (102) are arranged on the outer side of the rotary valve (101), an inlet (103) is arranged at the upper end of the rotary valve (101), and the shell (2) is provided with an orifice on both sides, and the inlet (103) is arranged in correspondence with the orifice.

3. A pneumatic conveying system for a PTA production plant according to claim 2, characterized in that: The sealing assembly (4) includes a fixed sleeve (401) and a connecting part (402), the fixed sleeve (401) is arranged at one end of the air outlet (102), the connecting part (402) is arranged at one end of the electric sliding table (306), and the fixed sleeve (401) is provided with an encryption ring (403) at one end, and the encryption ring (403) is connected with the connecting part (402).

4. The air conveying system of a PTA production plant according to claim 3, characterized in that: The connecting part (402) includes a connecting sleeve (4021) and a fixed seat (4022), the fixed seat (4022) is arranged at one end of the electric sliding table (306), the connecting sleeve (4021) is rotatably installed on the upper end of the fixed seat (4022), the connecting sleeve (4021) is provided with a limiting rod (4025) at one end, the fixed sleeve (401) is provided with a limiting groove (404) on one side, and the limiting rod (4025) is connected with the limiting groove (404).

5. A pneumatic conveying system for a PTA production plant according to claim 4, characterized in that: The upper end of the fixing seat (4022) is provided with a limiting plate (4024), the limiting plate (4024) is located above the connecting sleeve (4021), and the electric push rod (4023) is arranged between the fixing seat (4022) and the limiting plate (4024).