Exhaust noise reduction device of vacuum liquid discharge tank

By designing an exhaust noise reduction device for vacuum drain tanks, using air conduit pipes and sound-absorbing materials to absorb sound noise, and improving safety through water washing pipes and detection systems, the problem of exhaust noise pollution in vacuum drain tanks is solved, achieving the dual effects of noise reduction and safety detection.

CN223004660UActive Publication Date: 2025-06-20LUOYANG LUANCHUAN MOLYBDENUM IND GRP TUNGSTEN IND CO LTD +1
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Patent Information

Application Number
CN202422117709.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-06-20
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

During the production and processing of the tungsten industry, the vacuum drainage tank is as high as 126dB during inlet and outlet ventilation, resulting in noise pollution and affecting the hearing health of the worker.

Method used

A vacuum drainage tank exhaust noise reduction device is designed, including a gas pipe, a washing pipe, a mounting box, a time relay, a detection alarm and a leak detector. The air conduit pipe is connected to the washing pipe through a threaded interface, the inner wall is filled with sound-absorbing material to absorb sound noise, and safety detection and alarm are carried out through a leak detector and detection alarm.

Benefits of technology

It effectively reduces exhaust noise and reduces the impact on the hearing health of job workers. At the same time, the safety and convenience of the device are improved through air leakage detection and alarm functions.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223004660U_ABST
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Abstract

The utility model discloses an exhaust noise reduction device for a vacuum liquid discharge tank, which comprises an air guide pipe, a sealing cover plate is mounted on the other side of a reset rotating shaft, a mounting buckle block is fixedly connected to the edge of the rear side of the sealing cover plate, a locking knob is mounted on the edge of the lower end of the front side of the sealing cover plate in an inserted manner, and a mounting buckle groove is formed in the edge of the front side of a mounting box. According to the exhaust noise reduction device of the vacuum liquid drainage tank, noise generated during air exchange can be conducted out through the air guide pipe, the air guide pipe is inserted into a washing water pipe beside the air guide pipe, air directly enters the pipe, the sound is eliminated, and washing water feed liquid can rapidly circulate in the washing water pipe; the pneumatic triple piece and the time relay can be conveniently sealed through the mounting box and the sealing cover plate, effective observation can be achieved through the sealing cover plate, the time relay can be detected in real time through the detection alarm, an alarm can be given, air leakage detection can be conducted through the air leakage detector and the air guide pipe, use is safe, and the effect is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of exhaust noise reduction of a vacuum liquid drainage tank, and particularly relates to an exhaust noise reduction device for a vacuum liquid drainage tank. Background Technique

[0002] During the production and processing of tungsten industry, when the vacuum liquid drainage tank in the crystallization (APT) workshop exchanges air in and out, it will be discharged from the exhaust port of the pneumatic triple unit.

[0003] When the existing equipment exhausts without any treatment, the decibel can reach 126 dB, resulting in noise pollution, which will affect the hearing health of the post operators for a long time. Therefore, an exhaust noise reduction device for a vacuum liquid drainage tank is needed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide an exhaust noise reduction device for a vacuum liquid drainage tank, so as to solve the problem that when the equipment in the above background technique exhausts without any treatment, the decibel can reach 126 dB, resulting in noise pollution, which will affect the hearing health of the post operators for a long time.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: An exhaust noise reduction device for a vacuum liquid drainage tank, including an air guide pipe, one end of the air guide pipe is connected and installed with a washing water pipe, and the other end of the air guide pipe is installed with an installation box. One end of the air guide pipe is rotatably installed with a threaded interface, and a threaded connection groove is sleeved and installed on the outer wall of the threaded interface. One end of the threaded connection groove is communicated with the washing water pipe. One side of the inner wall of the installation box is installed with a time relay, and a detection alarm is electrically connected to the upper end of the time relay. One side of the time relay is electrically connected to a pneumatic triple unit, and splicing connecting pipes are connected and installed at the lower ends on both sides of the pneumatic triple unit. Threaded connection blocks are fixedly connected to the edges of the other ends of the splicing connecting pipe and the air guide pipe, and a leak detector is connected and installed at one end of the threaded connection block. The leak detector is inlaid and installed on one side of the installation box, and a reset rotating shaft is installed at the upper end of the front side of the installation box. A closed cover plate is installed on the other side of the reset rotating shaft, and an installation buckle block is fixedly connected to the rear side edge of the closed cover plate. A locking knob is inserted and installed at the lower end edge of the front side of the closed cover plate. Installation buckle grooves are opened at the front side edge of the installation box.

[0006] Preferably, the air guide pipe is spirally spliced and installed with the washing water pipe through the threaded interface in the threaded connection groove, and the air guide pipe is of a spring pipe structure, and the inner wall of the air guide pipe is filled with a sound-absorbing material.

[0007] Preferably, the air guide pipe and the splicing connecting pipe are spliced and connected with the leak detector through the threaded connection block, and the air guide pipe is communicated with the pneumatic triple unit through the splicing connecting pipe.

[0008] Preferably, the closing cover plate is connected to the installation box in a reset flipping manner through a reset rotating shaft, and the closing cover plate is positioned, buckled and sealed with the installation box through an installation buckle block in an installation buckle groove.

[0009] Preferably, the closing cover plate is of a transparent structure, and the closing cover plate is fixedly connected to the installation box through a locking knob.

[0010] Preferably, the detection alarm is electrically spliced and installed with a time relay, and the detection alarm is of an audible and visual alarm structure.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The exhaust noise reduction device of the vacuum liquid discharge tank can conduct the noise generated during air exchange through a guide pipe, and insert the guide pipe into the adjacent washing water pipe, so that the gas directly enters the pipe, not only eliminating the sound but also enabling the washing water and liquid to flow quickly in the washing water pipe. Moreover, the pneumatic triple unit and the time relay can be conveniently enclosed by the installation box and the closing cover plate, and can be effectively observed through the closing cover plate. In addition, the time relay can be detected in real time by the detection alarm, and an alarm can be given. Furthermore, the leak detector can be used to detect air leakage in the guide pipe, which is safe to use and has good effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a front view of an exhaust noise reduction device of a vacuum liquid discharge tank according to the present utility model;

[0013] Figure 2 is a schematic diagram of the internal structure of an exhaust noise reduction device of a vacuum liquid discharge tank according to the present utility model;

[0014] Figure 3 is an enlarged view of part A in an exhaust noise reduction device of a vacuum liquid discharge tank according to the present utility model Figure 2 ;

[0015] Figure 4 is an enlarged view of part B in an exhaust noise reduction device of a vacuum liquid discharge tank according to the present utility model Figure 2 ;

[0016] Figure 5 is an enlarged view of part C in an exhaust noise reduction device of a vacuum liquid discharge tank according to the present utility model Figure 2 ;

[0017] In the figure: 1. Guide pipe, 2. Washing water pipe, 3. Installation box, 4. Vacuum liquid discharge tank, 5. Closing cover plate, 6. Installation buckle block, 7. Reset rotating shaft, 8. Pneumatic triple unit, 9. Splicing connecting pipe, 10. Time relay, 11. Installation buckle groove, 12. Detection alarm, 13. Locking knob, 14. Leak detector, 15. Thread connecting block, 16. Thread interface, 17. Thread receiving groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-5 , the present invention provides a technical solution: a vacuum drainage tank exhaust noise reduction device, including an air guide pipe 1, a washing water pipe 2, an installation box 3, a vacuum drainage tank 4, a closed cover plate 5, an installation buckle 6, a reset rotating shaft 7, a pneumatic triple unit 8, a splicing connecting pipe 9, a time relay 10, an installation buckle groove 11, a detection alarm 12, a locking knob 13, a leakage detector 14, a threaded connection block 15, a threaded interface 16, and a threaded connection groove 17. One end of the air guide pipe 1 is connected to the washing water pipe 2, and the other end of the air guide pipe 1 is provided with an installation box 3. The air guide pipe 1 is spirally spliced and installed with the washing water pipe 2 through the threaded interface 16 in the threaded connection groove 17, and the air guide pipe 1 is of a spring tube structure. The inner wall of the air guide pipe 1 is filled with sound-absorbing material, so that the air guide pipe 1 is convenient for spiral disassembly and assembly, and can effectively absorb sound, with good noise reduction effect.

[0020] The air guide pipe 1 and the splicing connecting pipe 9 are spliced and connected to the leakage detector 14 through the threaded connection block 15, and the air guide pipe 1 is connected to the pneumatic triple unit 8 through the splicing connecting pipe 9, so that the air guide pipe 1 and the splicing connecting pipe 9 can be conveniently leak-detected through the leakage detector 14, and the use is safer.

[0021] One end of the air guide pipe 1 is rotatably installed with a threaded interface 16, and the outer wall of the threaded interface 16 is connected and sleeved with a threaded connection groove 17. One end of the threaded connection groove 17 is connected to the washing water pipe 2. One side of the inner wall of the installation box 3 is installed with a time relay 10, and the upper end of the time relay 10 is electrically connected to a detection alarm 12. The detection alarm 12 is electrically spliced and installed with the time relay 10, and the detection alarm 12 is of a sound and light alarm structure, so that the detection alarm 12 can perform real-time detection and can alarm, and the use is safer.

[0022] One side of the time relay 10 is electrically connected to the pneumatic triple unit 8. Both lower ends on both sides of the pneumatic triple unit 8 are connected and installed with a splicing connecting pipe 9. The splicing connecting pipe 9 and the other end edge of the air guide pipe 1 are fixedly connected with a threaded connecting block 15. One end of the threaded connecting block 15 is connected and installed with a leak detector 14. The leak detector 14 is inlaid and installed on one side of the installation box 3. The upper end of the front side of the installation box 3 is installed with a reset rotating shaft 7. The other side of the reset rotating shaft 7 is installed with a closing cover plate 5. The rear side edge of the closing cover plate 5 is fixedly connected with an installation buckle block 6. The closing cover plate 5 is connected with the installation box 3 by the reset rotating shaft 7 in a reset flipping manner. The closing cover plate 5 is fixedly connected with the installation box 3 by the installation buckle block 6 in the installation buckle groove 11 in a positioning and buckling and sealing manner. This makes the closing cover plate 5 convenient to flip open and close, and can be quickly buckled and installed, and is convenient to open and close.

[0023] The closing cover plate 5 is of a transparent structure. The closing cover plate 5 is fixedly connected with the installation box 3 by a locking knob 13. This enables the installation box 3 to be directly observed through the closing cover plate 5 and can be locked and fixed, with stable installation. The lower end edge of the front side of the closing cover plate 5 is inserted and installed with a locking knob 13. The front side edge of the installation box 3 is provided with an installation buckle groove 11.

[0024] Working principle: When using this vacuum drainage tank exhaust noise reduction device, first, the air guide pipe 1 of the device is spirally spliced and installed with the washing water pipe 2 and the leak detector 14, then the power supply is connected, and the time relay 10 is started. When the gas is discharged through the exhaust port of the pneumatic triple unit, sound absorption treatment can be carried out through the air guide pipe 1 and introduced into the washing water pipe 2 to make the washing water liquid flow quickly. When it is necessary to observe the states of the pneumatic triple unit 8 and the time relay 10, direct observation can be made through the closing cover plate 5. When the air guide pipe 1 leaks, the leak detector 14 can give an alarm reminder. When there is a problem with the time relay 10, the detection alarm 12 can give an alarm reminder, which is convenient for quick repair and use. When maintenance is required, the locking knob 13 can be unlocked, and the closing cover plate 5 can be turned over and automatically flipped open through the reset rotating shaft 7, making it safer to use. This is the usage process of this vacuum drainage tank exhaust noise reduction device.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A vacuum drain tank exhaust noise reduction device, comprising an air guide pipe (1), one end of the air guide pipe (1) is connected to a wash water pipe (2), and the other end of the air guide pipe (1) is installed with an installation box (3), characterized in that: A threaded interface (16) is rotatably mounted on one end of the air guide pipe (1), and a threaded connection groove (17) is connected and sleeved on the outer wall of the threaded interface (16), and one end of the threaded connection groove (17) is connected to the wash water pipe (2). A time relay (10) is mounted on one side of the inner wall of the installation box (3), and the upper end of the time relay (10) is electrically connected to a detection alarm (12). One side of the time relay (10) is electrically connected to a pneumatic triplet (8), and the lower ends of both sides of the pneumatic triplet (8) are connected and mounted with a spliced ​​connection pipe (9), and the spliced ​​connection pipe (9) and the air guide pipe (1) are connected to each other. ) is fixedly connected to a threaded connection block (15) at the other end edge, and one end of the threaded connection block (15) is connected to a gas leakage detector (14), the gas leakage detector (14) is embedded and installed with one side of the installation box (3), and a reset shaft (7) is installed at the upper end of the front side of the installation box (3), a closed cover plate (5) is installed on the other side of the reset shaft (7), and a mounting buckle block (6) is fixedly connected to the rear edge of the closed cover plate (5), a locking knob (13) is inserted and installed at the lower end edge of the front side of the closed cover plate (5), and a mounting buckle groove (11) is provided at the front edge of the installation box (3).

2. The vacuum drain tank exhaust noise reduction device according to claim 1, characterized in that: The air guide pipe (1) is installed in a spiral manner with the wash water pipe (2) in the threaded connection groove (17) via a threaded interface (16); the air guide pipe (1) is a spring pipe structure; and the inner wall of the air guide pipe (1) is filled with sound absorbing material.

3. The vacuum drain tank exhaust noise reduction device according to claim 2, characterized in that: The air guide tube (1) and the spliced ​​connecting tube (9) are spliced ​​and connected to the air leakage detector (14) via a threaded connection block (15), and the air guide tube (1) is connected to the pneumatic triplex (8) via the spliced ​​connecting tube (9).

4. The vacuum drain tank exhaust noise reduction device according to claim 3, characterized in that: The closed cover plate (5) is connected to the installation box (3) in a reset flipping manner via a reset rotating shaft (7), and the closed cover plate (5) is installed in a positioning buckled and sealed manner with the installation box (3) in the installation buckle groove (11) via the installation buckle block (6).

5. The vacuum drain tank exhaust noise reduction device according to claim 4, characterized in that: The closed cover plate (5) is a transparent structure, and the closed cover plate (5) is locked and fixedly connected to the installation box (3) via a locking knob (13).

6. The vacuum drain tank exhaust noise reduction device according to claim 5, characterized in that: The detection alarm (12) and the time relay (10) are electrically spliced ​​and installed, and the detection alarm (12) is an audible and visual alarm structure.