Vacuum pump pre-adsorption system
By installing a vacuum pump pre-adsorption system with a tank, funnel, and oil-gas separator before the vacuum pump, the problem of vacuum pump jamming or damage caused by untreated vacuum gas is solved, thus improving the stability and quality of ink production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGMEN TOYO INK CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-07-14
AI Technical Summary
In existing technologies, the vacuum gas is directly introduced into the vacuum pump without pretreatment, which can easily cause the vacuum pump to jam or be damaged.
A vacuum pump pre-adsorption system was designed, including a tank, a funnel, and an oil-gas separator. The system pre-treats the gas through oil bath treatment and the filter holes of the oil-gas separator, adsorbing viscous substances in the gas and preventing damage to the vacuum pump.
This effectively reduces the occurrence of vacuum pump jamming or damage, ensures the normal operation of the vacuum pump, and improves the stability and quality of ink production.
Smart Images

Figure CN224496678U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of ink manufacturing technology, and in particular to a vacuum pump pre-adsorption system. Background Technology
[0002] Vacuum pumps are commonly used in the manufacture of ink products. They are usually integrated with the main production equipment (such as dispersers, mixing tanks, and grinding mills) to form a vacuum production system. By creating a negative pressure environment in core processes such as dispersion, grinding, and mixing, vacuum pumps effectively remove air bubbles from the ink, thereby avoiding defects such as pinholes and fisheyes in printed products and ensuring the gloss, fluidity, and stability of the ink.
[0003] Currently, vacuum gas is usually not pretreated and is directly pumped into the vacuum pump. Since vacuum gas usually contains viscous substances, it can easily cause the vacuum pump to jam or be damaged. Utility Model Content
[0004] This invention aims to solve the technical problems existing in the prior art. To this end, this invention proposes a vacuum pump pre-adsorption system, which can pre-treat the gas being used for vacuuming, reducing the likelihood of the vacuum pump jamming or being damaged.
[0005] The vacuum pump pre-adsorption system according to an embodiment of the present invention includes:
[0006] The tank has an internal cavity for storing oil. The outer peripheral wall of the tank has an air inlet communicating with the cavity. The top of the tank has an air outlet communicating with the cavity. The bottom of the tank has an oil outlet communicating with the cavity. The outer peripheral wall of the tank has an oil inlet communicating with the cavity.
[0007] A funnel is disposed within the cavity. The funnel has a first opening and a second opening. The area of the first opening is larger than the area of the second opening. The first opening is located above the second opening. The peripheral wall of the first opening is fixed to the inner peripheral wall of the cavity. An oil storage cavity is formed between the outer peripheral wall of the funnel and the inner peripheral wall of the cavity. The oil storage cavity is connected to the oil outlet and the oil inlet. The air inlet is connected to the oil storage cavity. The liquid level of the oil in the cavity is higher than the second opening.
[0008] An oil-gas separator is disposed in the cavity and located above the funnel. The oil-gas separator includes multiple horizontally arranged baffles, which are spaced apart along the height direction of the tank. Each baffle is provided with a filter hole.
[0009] The vacuum pump pre-adsorption system according to this utility model embodiment has at least the following beneficial effects: During operation, the gas to be vacuumed first enters the cavity through the inlet and comes into contact with the oil in the cavity, undergoing oil bath treatment. The oil can adsorb viscous substances in the gas. After leaving the oil, the gas enters the funnel through the second opening and is guided upwards through the funnel into the oil-gas separator. The tiny filter holes of the separator's baffle can block oil molecules in the gas, thus completing the oil-gas separation function. When there are too many viscous impurities in the oil, the drain port can be opened to drain all the oil, and then oil can be added again through the inlet.
[0010] According to some embodiments of the present invention, the funnel has a conical structure, and the outer diameter of the funnel gradually decreases from top to bottom.
[0011] According to some embodiments of the present invention, the surface of the partition is further provided with a fiber filter membrane layer.
[0012] According to some embodiments of the present invention, a magnetic level gauge is also included, which is used to detect the liquid level height of the oil.
[0013] According to some embodiments of the present invention, the inner peripheral wall of the funnel is provided with a baffle, the baffle is located between the first opening and the second opening, the baffle is horizontally arranged, and the baffle is used to block the oil splashing upward.
[0014] According to some embodiments of the present invention, the baffle is circular, the outer peripheral wall of the baffle is connected to the inner peripheral wall of the funnel, and the baffle is provided with a plurality of vent holes.
[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:
[0017] Figure 1 This is a cross-sectional view of a vacuum pump pre-adsorption system according to some embodiments of the present invention;
[0018] Figure 2 This is a top view of a vacuum pump pre-adsorption system according to some embodiments of the present invention;
[0019] Figure 3 This is a cross-sectional view of a vacuum pump pre-adsorption system according to some embodiments of the present invention.
[0020] Figure label:
[0021] Vacuum pump pre-adsorption system 1000;
[0022] Tank body 100, cavity 110, air inlet 120, air outlet 130, oil outlet 140, oil inlet 150;
[0023] Funnel 200, first opening 210, second opening 220, oil storage chamber 230, baffle 240;
[0024] Oil-gas separator 300, baffle 310. Detailed Implementation
[0025] Vacuum pumps are commonly used in the manufacture of ink products. They are usually integrated with the main production equipment (such as dispersers, mixing tanks, and grinding mills) to form a vacuum production system. By creating a negative pressure environment in core processes such as dispersion, grinding, and mixing, vacuum pumps effectively remove air bubbles from the ink, thereby avoiding defects such as pinholes and fisheyes in printed products and ensuring the gloss, fluidity, and stability of the ink.
[0026] Currently, vacuum gas is usually not pretreated and is directly pumped into the vacuum pump. Since vacuum gas usually contains viscous substances, it can easily cause the vacuum pump to jam or be damaged.
[0027] Based on this, refer to Figure 1 and Figure 2As shown, a vacuum pump pre-adsorption system 1000 provided in this embodiment of the present invention includes a tank 100, a funnel 200, and an oil-gas separator 300. The tank 100 has a generally cylindrical structure, with an internal cavity 110 for storing oil. An air inlet 120 communicating with the cavity 110 is provided on the outer peripheral wall of the tank 100 for connecting to the equipment to be vacuumed. An air outlet 130 communicating with the cavity 110 is provided on the top of the tank 100 for connecting to the inlet of the vacuum pump. An oil outlet 140 communicating with the cavity 110 is provided at the bottom of the tank 100, and an oil inlet 150 communicating with the cavity 110 is provided on the outer peripheral wall of the tank 100. A funnel 200 is disposed within a cavity 110. The funnel 200 has a first opening 210 and a second opening 220. The area of the first opening 210 is larger than the area of the second opening 220. The first opening 210 is located above the second opening 220. The peripheral wall of the first opening 210 is fixed to the inner peripheral wall of the cavity 110. An oil storage chamber 230 is formed between the outer peripheral wall of the funnel 200 and the inner peripheral wall of the cavity 110. The oil storage chamber 230 is connected to the oil outlet 140 and the oil inlet 150. The air inlet 120 is connected to the oil storage chamber 230. The oil level in the cavity 110 is higher than the second opening 220. An oil-gas separator 300 is disposed within the cavity 110 and located above the funnel 200. The oil-gas separator 300 includes multiple horizontally arranged baffles 310. The baffles 310 are spaced apart along the height direction of the tank 100. The baffles 310 are provided with filter holes.
[0028] During operation, the gas to be vacuumed first enters the cavity 110 through the inlet 120 and comes into contact with the oil in the cavity 110, undergoing an oil bath treatment. The oil can adsorb viscous substances in the gas. After leaving the oil, the gas enters the funnel 200 through the second opening 220 and is guided upwards through the funnel 200 into the oil-gas separator 300. The tiny filter holes of the baffle 310 in the oil-gas separator 300 can block oil molecules in the gas, thus completing the oil-gas separation function. When there are too many viscous impurities in the oil, the drain port can be opened to drain all the oil, and then oil can be added again through the inlet 150.
[0029] In some embodiments, the funnel 200 has a conical structure, and the outer diameter of the funnel 200 gradually decreases from top to bottom. The funnel 200 can play a guiding role, guiding the oil to drip back into the oil storage chamber 230 along its inner wall.
[0030] In some embodiments, the surface of the partition 310 is provided with a fiber filter membrane layer, which covers the filter pores and can further filter the gas and separate oil and gas.
[0031] It should be noted that the baffle 310 can also be configured as a baffle plate. In this embodiment, the oil-gas separator 300 uses the principle of inertial collision to achieve oil-gas separation. When gas flows through the baffle 240, baffle plate, or other structures inside the separator, the airflow direction changes drastically. Because droplets have inertia, they cannot quickly change direction with the airflow and will collide with the baffle 240 or the wall surface, accumulating into larger droplets before flowing to the bottom of the separator, thus achieving oil-gas separation.
[0032] Because gas forms bubbles in the oil, causing the oil to splash upwards, the oil surface is not stable. If the oil surface does not submerge the second opening 220, gas can easily leave the funnel 200 directly from the second opening 220. If too much oil is added to ensure that the oil can submerge the second opening 220, the oil surface will be too high and too close to the oil-gas separator 300 above. The oil will easily splash upwards onto the oil-gas separator 300, affecting the separation effect of the oil-gas separator 300.
[0033] Based on this, refer to Figure 3 As shown, in some embodiments, the inner peripheral wall of the funnel 200 is provided with a baffle 240, which is located between the first opening 210 and the second opening 220. The baffle 240 is horizontally arranged and is used to block upward splashing oil, preventing the oil from splashing into the oil-gas separator 300. In some embodiments, the baffle 240 is circular, and its outer peripheral wall is connected to the inner peripheral wall of the funnel 200. The baffle 240 has a large area, which provides a better effect in blocking the oil. The baffle 240 is provided with multiple vent holes to ensure that gas can pass through it.
[0034] In some embodiments, a magnetic level gauge is provided in the oil storage chamber 230. The magnetic level gauge is used to detect the liquid level height of the oil. The magnetic level gauge is electrically connected to a control device, and the control device can read the liquid level data of the magnetic level gauge.
[0035] Examples of the embodiments described above are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described above with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0036] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0037] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0038] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0039] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A vacuum pump pre-adsorption system, characterized in that, include: The tank has an internal cavity for storing oil. The outer peripheral wall of the tank has an air inlet communicating with the cavity. The top of the tank has an air outlet communicating with the cavity. The bottom of the tank has an oil outlet communicating with the cavity. The outer peripheral wall of the tank has an oil inlet communicating with the cavity. A funnel is disposed within the cavity. The funnel has a first opening and a second opening. The area of the first opening is larger than the area of the second opening. The first opening is located above the second opening. The peripheral wall of the first opening is fixed to the inner peripheral wall of the cavity. An oil storage cavity is formed between the outer peripheral wall of the funnel and the inner peripheral wall of the cavity. The oil storage cavity is connected to the oil outlet and the oil inlet. The air inlet is connected to the oil storage cavity. The liquid level of the oil in the cavity is higher than the second opening. An oil-gas separator is disposed in the cavity and located above the funnel. The oil-gas separator includes multiple horizontally arranged baffles, which are spaced apart along the height direction of the tank. Each baffle is provided with a filter hole.
2. The vacuum pump pre-adsorption system according to claim 1, characterized in that, The funnel has a conical structure, and its outer diameter gradually decreases from top to bottom.
3. The vacuum pump pre-adsorption system according to claim 1, characterized in that, The surface of the partition is also provided with a fiber filter membrane layer.
4. The vacuum pump pre-adsorption system according to claim 1, characterized in that, It also includes a magnetic level gauge, which is used to detect the liquid level height of the oil.
5. The vacuum pump pre-adsorption system according to claim 1, characterized in that, The funnel has a baffle on its inner peripheral wall. The baffle is located between the first opening and the second opening. The baffle is horizontally positioned and is used to block the oil from splashing upwards.
6. The vacuum pump pre-adsorption system according to claim 5, characterized in that, The baffle is circular, and its outer peripheral wall is connected to the inner peripheral wall of the funnel. The baffle is provided with multiple vent holes.