Vacuum pump simple protection material recovery device
By using a spiral pipe structure and centrifugal separation technology, the problem of filter screen leakage when vacuum pumps suck up powder materials is solved, achieving efficient material recovery and vacuum pump protection, and extending the service life of the vacuum pump.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG DETURE FINE CHEM TECH CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-04-21
AI Technical Summary
When existing vacuum pumps suck up powdered materials, the filter screen is easily permeated by powder, which affects its service life. Further material recovery devices are needed for separation, but existing devices are inefficient.
A spiral pipe structure is designed to separate tiny particles in the air using centrifugal force. By setting up centrifugal tubes and guide components, solid powder materials are introduced into the recycling port for recovery. Combined with a recycling box, the separation and recovery of materials are realized.
It effectively separates gases and solid powders, protects the vacuum pump, improves material recovery efficiency, and extends the service life of the vacuum pump.
Smart Images

Figure CN224141712U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of material recycling equipment technology, and in particular to a simple protective material recycling device for a vacuum pump. Background Technology
[0002] A negative pressure storage and discharge device is a type of equipment that utilizes the principle of negative pressure for material storage, conveying, and discharge. Its working principle includes: negative pressure formation, where air is extracted from the storage device using vacuum pumps, Roots blowers, or other negative pressure power equipment, creating a negative pressure state within the device and a pressure difference with the external atmospheric pressure.
[0003] In negative pressure storage and discharging devices, a vacuum pump is required during operation. The vacuum pump provides negative pressure, allowing powder or solid materials to be directly drawn into the corresponding tank or storage device through pipes. Because the vacuum pump draws in a large amount of gas during vacuum suction, a filter screen needs to be installed at the negative pressure port of the vacuum pump to protect it. Due to the characteristics of the filter screen itself, small amounts of powder may pass through the filter screen and enter the vacuum pump, affecting its service life. Therefore, a further material recovery device needs to be installed between the vacuum pump and the filter screen to separate the powder material from the air, thereby further protecting the vacuum pump.
[0004] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content
[0005] To address the aforementioned shortcomings, the purpose of this utility model is to provide a simple protective material recovery device for a vacuum pump. This device utilizes a spiral pipe structure to generate centrifugal force as air passes through it, thereby separating tiny particles from the air, thus recovering the material and protecting the vacuum pump.
[0006] To achieve the above objectives, this utility model provides a simple protective material recovery device for a vacuum pump, comprising: a connecting pipe disposed between the vacuum pump and a storage tank; a centrifuge tube fixed on the connecting pipe, wherein the bottom of the centrifuge tube is provided with a recovery port, the bottom of the recovery port is provided with a material carrying space, and the portion of the recovery port located inside the centrifuge tube is provided with a flow guide, the flow guide being directly facing the airflow direction and blocking solid materials into the interior of the recovery port.
[0007] Furthermore, the guide member has a guide portion on the side facing the airflow direction, and the guide portion has an inclined side structure.
[0008] Furthermore, a baffle is provided on the side of the recovery port away from the guide member to prevent solid materials from entering the centrifuge tube from the inside of the recovery port.
[0009] Furthermore, the guide component is a guide plate or guide block installed and fixed on the recovery port, or the guide component is integrated with the centrifuge tube.
[0010] Furthermore, the angle between the working surface of the baffle and the side wall of the recycling port is 60°~90°.
[0011] Furthermore, a recycling box is provided at the bottom of the recycling port, and an arc-shaped part is provided at the bottom of the recycling box on the same side as the flow guide.
[0012] Furthermore, the bottom of the recycling bin is provided with a discharge port on the side facing the arc-shaped part, and a cover plate is detachably connected to the discharge port.
[0013] Furthermore, the bottom of the recycling bin is detachably connected to a receiving cover, which is fastened to the bottom of the recycling bin, and the discharge port and the arc-shaped part are provided on the receiving cover.
[0014] In summary, the technical effects achieved by this utility model are:
[0015] 1. By setting the air circulation pipe into a spiral structure, it is ensured that the gas and mixed solid powder materials can flow directly during use. During the flow, centrifugal force is generated inside the spiral body, thereby bringing the solid powder materials close to the outer inner wall of the spiral body, which facilitates the subsequent removal of the powder materials.
[0016] 2. By setting a recovery port at the bottom of the spiral body and setting a certain guide on the recovery port, the solid powder material on the outside is directly introduced into the interior of the recovery port, thereby completing the separation of solid powder material and gas and recovering the solid powder material. Attached Figure Description
[0017] Figure 1 This is a connection diagram illustrating the usage process of this utility model;
[0018] Figure 2 This is a three-dimensional structural schematic diagram of the present invention;
[0019] Figure 3 This is a cross-sectional structural diagram of the present invention;
[0020] Figure 4 This is an exploded view of this utility model;
[0021] In the diagram, 1-vacuum pump, 2-centrifuge tube, 21-spiral body, 22-recovery box, 23-containment cover, 24-discharge port, 25-cover plate, 26-guide component, 27-baffle part, 28-arc part, 29-recovery port, 3-connecting pipe, 4-storage tank, 5-feed inlet. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0023] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.
[0024] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0025] See Figure 1 , Figure 2 and Figure 3 This utility model provides a simple protective material recovery device for a vacuum pump. The simple protective material recovery device for a vacuum pump includes a connecting pipe 3 between the vacuum pump 1 and the storage tank 4. The connecting pipe 3 connects the vacuum pump 1 and the storage tank 4, ensuring that the vacuum pump 1 can supply negative pressure to the inside of the storage tank 4 during use, so that the material is sucked into the inside of the storage tank 4 from the feed port 5.
[0026] The centrifuge tube 2, fixed to the connecting pipe 3, is configured as a spiral body 21. This ensures that when gas passes through the centrifuge tube 2, it rotates under the action of the spiral body 21, thereby generating a certain centrifugal force. The bottom of the centrifuge tube 2 is provided with a recovery port 29, which is located at the bottom of the spiral body 21 to ensure that solid powder materials can be recovered. At the same time, the bottom of the recovery port 29 is provided with a material storage space. The recovered material directly enters the storage space under the action of centrifugal force, thereby recovering the material. The part of the recovery port 29 located inside the centrifuge tube 2 is provided with a guide 26. The guide 26 faces the airflow direction and blocks the solid material into the interior of the recovery port 29, preventing excess powder material from failing to enter the interior of the recovery port 29. This ensures that the powder material can be fully separated and recovered, protecting the vacuum pump 1.
[0027] In one exemplary embodiment of this invention, in order to ensure sufficient backflow separation of the gas and solid mixture, a guide section can be provided on the side of the guide member 26 facing the airflow direction. The guide section has a beveled structure, which guides all the powder material at the edge into the interior of the recovery port 29, ensuring the recovery effect of the solid powder material. The beveled structure can be replaced by an arc-shaped structure or other structures to ensure smooth airflow during the guiding process, thereby facilitating the separation and recovery of materials.
[0028] In addition, to prevent the material introduced into the recovery port 29 from re-entering the spiral body 21 from the recovery port 29, a baffle 27 is provided on the side of the recovery port 29 away from the guide member 26 to prevent solid material from entering the centrifuge tube 2 from the recovery port 29. By setting the baffle 27, the gas entering the spiral body 21 from the recovery port 29 is blocked, and its power is lost. This ensures that the solid at this time loses its kinetic energy under the action of the baffle 27, and the powder fixed material is left inside the recovery port 29.
[0029] In order to ensure the installation and processing of the guide component 26 itself, the guide component 26 in this application is a guide plate or guide block installed and fixed on the recovery port 29, or the guide component 26 is integrated with the centrifuge tube 2. The installation and fixing can be carried out by welding or various threaded connections.
[0030] In one exemplary embodiment, the angle between the working surface of the baffle 27 and the side wall of the recovery port 29 is 60°~90°. By facing the end of the baffle 27 toward the inside of the recovery port 29, it is ensured that the solid powder material can be blocked and prevented from re-entering the interior of the spiral body 21 from the recovery port 29.
[0031] In another embodiment of this application, in order to ensure the full recovery of powder materials, a recovery box 22 is provided at the bottom of the recovery port 29. The bottom of the recovery box 22 is provided with an arc-shaped part 28 on the same side as the guide member 26. At this time, after the airflow passes through the guide member 26, the airflow enters the interior of the recovery port 29. At this time, the airflow is close to the side wall of the recovery port 29 on the same side as the guide member 26. Then, when the airflow passes through the arc-shaped part 28, the airflow is guided to the other side, thereby ensuring that the gas can be discharged from the interior of the recovery port 29, so that the solid powder can be left inside the recovery box 22.
[0032] Among them, when using, combined Figure 3 and Figure 4 To ensure the discharge of materials from the recycling bin 22, a discharge port 24 can be provided on the bottom of the recycling bin 22, directly opposite the arc-shaped part 28. A cover plate 25 is detachably connected to the discharge port 24. The cover plate 25 can be designed to open or be pulled out, so that when needed, the cover plate 25 can be opened directly, and the discharge port 24 can be in the open state. Under the guiding effect of the arc-shaped part 28, the internal materials can be blown out. Alternatively, the bottom surface can be designed as a beveled structure to facilitate the discharge of materials. This is to ensure the normal use of the cover plate 25.
[0033] In this application, in order to facilitate the cleaning and discharge of the recycling bin 22 and the materials inside, a detachable cover 23 can be provided at the bottom of the recycling bin 22. The cover 23 is fastened to the bottom of the recycling bin 22. To ensure the connection, it can be set as a snap-fit structure or directly set as a bolt connection or other fixed method. The discharge port 24 and the arc-shaped part 28 are provided on the cover 23.
[0034] Of course, there may be other embodiments of this utility model. Without departing from the spirit and essence of this utility model, those skilled in the art can make various corresponding changes and modifications based on this utility model, but these corresponding changes and modifications should all fall within the protection scope of the appended claims of this utility model.
Claims
1. A simple protective material recovery device for a vacuum pump, characterized in that, include: A connecting pipe is installed between the vacuum pump and the storage tank; A centrifuge tube fixed to the connecting pipe has a recovery port at its bottom. The bottom of the recovery port has a material storage space. The portion of the recovery port inside the centrifuge tube has a flow guide. The flow guide faces the airflow direction and blocks the solid material into the interior of the recovery port.
2. The simple protection material recovery device for vacuum pumps according to claim 1, characterized by, The guide member has a guide section on the side facing the airflow direction, and the guide section has an oblique side structure.
3. The simple protection material recovery device for vacuum pumps according to claim 2, characterized by, The side of the recovery port away from the guide member is provided with a baffle to prevent solid materials from entering the centrifuge tube from the inside of the recovery port.
4. The simple protection material recovery device for vacuum pumps according to claim 2, characterized by, The flow guide is a flow guide plate or flow guide block installed and fixed on the recovery port, or the flow guide is integrated with the centrifuge tube.
5. The simple protection material recycling device for vacuum pumps according to claim 3, characterized by, The angle between the working surface of the baffle and the side wall of the recycling port is 60°~90°.
6. The simple protection material recycling device for vacuum pumps according to claim 1, wherein The bottom of the recycling port is provided with a recycling box, and the bottom of the recycling box is provided with an arc-shaped part on the same side as the flow guide.
7. The simple protection material recycling device for vacuum pumps according to claim 6, characterized by, The bottom of the recycling bin has a discharge port on the side facing the arc-shaped part, and a cover plate is detachably connected to the discharge port.
8. The simple protection material recycling device for vacuum pumps according to claim 7, characterized by, The bottom of the recycling bin is detachably connected to a receiving cover, which is fastened to the bottom of the recycling bin. The discharge port and the arc-shaped part are provided on the receiving cover.