A device for adsorbing a liquid by a carrier that is air-tight

Abstract

The application provides a device for adsorbing liquid by a carrier in an air-isolated manner, and belongs to the technical field of liquid adsorption, which comprises a nitrogen filling mechanism and a vacuum pumping mechanism. The nitrogen filling mechanism comprises a first supporting table, a bucket pump is arranged in the first supporting table, a nitrogen cylinder is arranged on the top of the first supporting table, the bucket pump is communicated with the nitrogen cylinder through a pipeline in cooperation with a pressure reducing valve and a gas source switch, the nitrogen cylinder is communicated with a pressure total gauge through a discharging valve and a first valve, a vacuum pump is arranged in a second supporting table, second valves are arranged on two air inlet ends of the vacuum pump, the second valves are communicated with the pressure total gauge through a pipeline in cooperation with third valves, and the pressure total gauge is further connected with a mixer through a total pipe. The device can first pump the mixing cylinder to be vacuumized, then press the liquid into the mixing cylinder by using nitrogen, adsorb the liquid by the carrier in an air-isolated (nitrogen-protected) environment, and mix the liquid uniformly, so that the functions of effectively isolating air and adsorbing liquid can be realized, and the device has the advantages of high stability, convenient operation and the like.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid adsorption, and in particular to a device for adsorbing liquid using a carrier isolated from air. Background Art

[0002] In the plastics processing industry, some liquid additives can react with oxygen in the air, losing or altering their effectiveness. By adsorbing the liquid in a carrier and then mixing the carrier and the adsorbed liquid additive directly with the raw materials during processing, this not only avoids the reaction between the liquid and oxygen but also facilitates weighing, mixing, and processing.

[0003] In order to completely prevent the liquid from reacting with oxygen in the air, the process of liquid adsorption on the foam particle carrier material is as follows:

[0004] Contact: Expanded particle materials are typically porous, with numerous tiny pores on their surface. When a liquid contacts the surface of the expanded particles, it enters these pores and begins interacting with the particle surface. Blockage: Once the liquid enters the pores of the expanded particles, surface tension and adhesion forces cause the liquid to fill and block the pores, effectively securing the liquid within the particles. Diffusion: Some liquid molecules may conduct through the pores to the interior of the expanded particles, a process known as diffusion. The rate of diffusion depends on the properties of the liquid and the pore structure of the expanded particles. Smaller pores generally result in faster diffusion. Reaction: Once the liquid molecules diffuse into the interior of the expanded particles and react with oxygen in the air, a chemical reaction begins. This can produce new substances and chemical changes. For example, when water reacts with oxygen, hydrogen and heat are generated. To prevent contact with air during the adsorption process, it is highly practical to provide a liquid adsorption device with a carrier that can isolate the liquid from air during the adsorption process. Summary of the Invention

[0005] An embodiment of the present invention provides a device for adsorbing liquid on a carrier isolated from air, aiming to solve the problems pointed out in the above background technology.

[0006] An embodiment of the present invention provides a device for adsorbing liquid on a carrier isolated from air, comprising a nitrogen charging mechanism and a vacuum pumping mechanism, wherein the nitrogen charging mechanism comprises a first support platform, a barrel pump is installed inside the first support platform, a nitrogen bottle is installed on the top of the first support platform, the barrel pump is connected to the nitrogen bottle through a pressure reducing valve and an air source switch in conjunction with a pipeline, and the nitrogen bottle is connected to a pressure main gauge through a discharge valve and a first valve; the vacuum pumping mechanism comprises a second support platform, a vacuum pump is installed inside the second support platform, second valves are installed at both air inlet ends of the vacuum pump, and the second valve is connected to the pressure main gauge through a pipeline in conjunction with a third valve;

[0007] The pressure main gauge is also connected to a mixer through a main pipe.

[0008] In one embodiment of the present invention, a pressure gauge is further installed in the connecting pipe between the barrel pump and the air source switch.

[0009] In one embodiment of the present invention, the mixer includes a third support platform, a reduction motor is installed inside the third support platform, and the reduction motor is connected to a mixing cylinder installed on the top of the third support platform through a pulley and a belt drive. The rotating shaft of the mixing cylinder is a hollow rotating shaft, and the air holes on the surface of the hollow rotating shaft are connected to one end of the main pipe.

[0010] In one embodiment of the present invention, a discharge port is provided at one end of the bottom of the mixing cylinder, a discharge plate is provided at one end of the discharge port, a feeding port is provided at the top of the mixing cylinder, and a feeding cover is hingedly connected to the feeding port.

[0011] In one embodiment of the present invention, a sealing strip is fixedly connected to the inner edge of the feeding cover, and the sealing strip is adapted to the size of the edge of the feeding port.

[0012] In one embodiment of the present invention, shock-absorbing pads are installed on the bottoms of the first support platform, the second support platform, and the third support platform.

[0013] In one embodiment of the present invention, a PLC controller is also installed inside the second support platform, the pressure gauge and the total pressure gauge are electrically connected to the PLC controller, the PLC controller is electrically connected to the reduction motor, the second valve, the vacuum pump, the first valve, the third valve, the air source switch, the discharge valve, the pressure reducing valve and the barrel pump, and the PLC controller is electrically connected to the external power supply.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] By closing the first valve and the entire mixer and opening the second valve, the third valve and the vacuum pump, the air tightness of the device can be tested. After the pressure gauge shows a stable state, it can be determined whether the sealing performance of the device meets the requirements; the vacuuming mechanism includes a vacuum pump and corresponding valves. The foaming particle carrier can be put into the mixing cylinder and the entire mixer can be closed. By opening the second valve, the third valve and starting the vacuum pump, a vacuum environment can be established in the mixing cylinder. The pressure gauge can detect and adjust the vacuum pressure; through the nitrogen charging mechanism, nitrogen can be used to press the liquid into the mixing cylinder to achieve the adsorption of the liquid. The pressure reducing valve and the gas source switch can be used. The nitrogen pressure can be controlled and debugged and controlled via a pressure gauge. The mixer can drive the mixing cylinder to rotate via a reduction motor to mix the liquid and carrier material. By connecting the main pipe and the hollow shaft, vacuum extraction can be performed inside the mixing cylinder without affecting its rotation. The setting of the feeding port and the discharging port facilitates the operation and maintenance of the device. The inner edge of the feeding cover is fixedly connected with a sealing strip to ensure the sealing of the feeding cover. The installation of shock-absorbing foot pads can improve the stability of the device, and the PLC controller can control and monitor each component, making the operation of the entire device more intelligent and automated.

[0016] The device can first evacuate the mixing cylinder and then use nitrogen to press the liquid into the mixing cylinder. In an environment isolated from air (nitrogen protection), the carrier absorbs the liquid and mixes it evenly, which can achieve the functions of effectively isolating air and adsorbing liquid, and has the benefits of high stability and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 A schematic structural diagram of a device for adsorbing liquid on an air-insulated carrier provided in an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of a structure of a device for adsorbing liquid on an air-insulated carrier provided by an embodiment of the present invention;

[0020] Figure 3 A top view of a device for adsorbing liquid on an air-insulated carrier provided in an embodiment of the present invention.

[0021] Icons: 1. Nitrogen charging mechanism; 11. First support platform; 12. Bucket pump; 13. Nitrogen cylinder; 14. Pressure reducing valve; 15. Gas source switch; 16. Discharge valve; 17. First valve; 18. Pressure gauge; 2. Vacuuming mechanism; 21. Second support platform; 22. Vacuum pump; 23. Second valve; 24. Third valve; 3. Pressure gauge; 31. Main pipe; 4. Mixer; 41. Third support platform; 42. Reducer motor; 43. Mixing cylinder; 44. Discharge port; 45. Discharge plate; 46. Feeding port; 47. Feeding cover; 48. Sealing strip; 5. Shock-absorbing foot pad. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0023] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0024] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0027] In the present invention, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood broadly. For example, they may refer to fixed connection, detachable connection, or integration; they may refer to direct connection or indirect connection through an intermediate medium; they may refer to internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0028] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Furthermore, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0029] Example

[0030] See also Figure 1-3 , a device for absorbing liquid with a carrier isolated from air, includes a nitrogen charging mechanism 1 and a vacuum pumping mechanism 2, the nitrogen charging mechanism 1 includes a first support platform 11, a barrel pump 12 is installed inside the first support platform 11, a nitrogen bottle 13 is installed on the top of the first support platform 11, the barrel pump 12 is connected to the nitrogen bottle 13 through a pressure reducing valve 14 and an air source switch 15 in conjunction with a pipeline, the nitrogen bottle 13 is connected to the pressure main gauge 3 through a discharge valve 16 and a first valve 17, the vacuum pumping mechanism 2 includes a second support platform 21, a vacuum pump 22 is installed inside the second support platform 21, and both air inlet ends of the vacuum pump 22 are installed with a second valve 23, the second valve 23 is connected to the pressure main gauge 3 through a pipeline in conjunction with a third valve 24, and the pressure main gauge 3 is also connected to the mixer 4 through a main pipe 31.

[0031] Specifically, a pressure gauge 18 is further installed on the connecting pipe between the barrel pump 12 and the air source switch 15 .

[0032] When using this type of air-isolated carrier to absorb liquid, first perform an airtightness test:

[0033] After the nitrogen filling mechanism 1 and the vacuum pumping mechanism 2 are connected to the pressure gauge 3 and the mixer 4, the mixer 4 is put into operation;

[0034] Close the first valve 17 and the entire mixer, open the second valve 23 and the third valve 24, turn on the vacuum pump 22, and after 3 minutes the pressure gauge 3 will display -0.08 MPa. Then close the second valve 23 and the third valve, and observe whether the pressure gauge 3 reading is stable.

[0035] Then, turn on the switch of the nitrogen bottle 13 and the pressure reducing valve 14 in sequence, start the gas source switch 15 on the barrel pump 12, close the discharge valve 16 and the first valve 17, and debug the pressure reducing valve 14 and the gas source switch 15 until the pointer of the pressure gauge 18 is stable.

[0036] After checking that there is no problem with the air tightness, turn off the barrel pump 12, the air source switch 15 and the switch of the nitrogen bottle 13, and then open the first valve 17 and start the discharge valve 16 of the barrel pump 12 to release the pressure in the barrel and the mixing cylinder 43 of the mixer 4 to 0.

[0037] In this embodiment: the mixer 4 includes a third support platform 41, a reduction motor 42 is installed inside the third support platform 41, and the reduction motor 42 is connected to a mixing cylinder 43 installed on the top of the third support platform 41 through a belt pulley and a belt drive. The rotating shaft of the mixing cylinder 43 is a hollow rotating shaft, and the air holes on the surface of the hollow rotating shaft are connected to one end of the main pipe 31.

[0038] Specifically, the main pipe 31 is connected to the hollow rotating shaft, so that the reduction motor 42 drives the belt reel and the belt to drive the hollow rotating shaft to rotate. Without affecting the rotation of the mixing cylinder 43, the main pipe 31 can also be used to vacuum the mixing cylinder 43.

[0039] In this embodiment, a discharge port 44 is provided at one end of the bottom of the mixing cylinder 43 , a discharge plate 45 is provided at one end of the discharge port 44 , a feeding port 46 is provided at the top of the mixing cylinder 43 , and a feeding cover 47 is hingedly connected to the feeding port 46 .

[0040] Specifically, the feeding port 46 is provided to facilitate users to add carrier materials into the mixing cylinder 43, and the discharging port 44 is provided to facilitate users to discharge materials.

[0041] In this embodiment, a sealing strip 48 is fixedly connected to the inner edge of the feeding cover 47 , and the sealing strip 48 is adapted to the size of the edge of the feeding port 46 .

[0042] Specifically, the sealing strip 48 provided on the feeding cover 47 can increase the sealing performance of the feeding cover 47 after it is closed, so that the mixing cylinder 43 can be vacuumed.

[0043] In this embodiment, shock-absorbing pads 5 are installed at the bottoms of the first support platform 11 , the second support platform 21 and the third support platform 41 .

[0044] Specifically, the provided shock-absorbing foot pads 5 can increase the stability of the nitrogen charging mechanism 1 , the vacuum pumping mechanism 2 and the mixer 4 during operation.

[0045] In this embodiment: a PLC controller is also installed inside the second support platform 21, the pressure gauge 18 and the total pressure gauge 3 are electrically connected to the PLC controller, the PLC controller is electrically connected to the reduction motor 42, the second valve 23, the vacuum pump 22, the first valve 17, the third valve 24, the discharge valve 16, the pressure reducing valve 14, the air source switch 15 and the barrel pump 12, and the PLC controller is electrically connected to the external power supply.

[0046] Specifically, the pressure gauge 18 and the total pressure gauge 3 can be used to feed back the pressure during vacuuming and nitrogen filling to the PLC controller, and then the PLC controller can be used to control the reduction motor 42, the second valve 23, the vacuum pump 22, the first valve 17, the third valve 24, the discharge valve 16, the pressure reducing valve 14, the air source switch 15 and the barrel pump 12 respectively.

[0047] Specifically, when the carrier absorbs the liquid:

[0048] First, open the feeding cover 47, add the carrier into the mixing tank 43, close the first valve 17 and the mixer, open the second valve 23 and the third valve 24, start the vacuum pump 22, and after 3 minutes, the pressure meter 3 will display -0.08Mpa. Close the second valve 23 and the third valve 24, and observe whether the pressure meter 3 reading is stable;

[0049] Open the main switch and pressure reducing valve 14 of the nitrogen bottle 13 in sequence, start the air source switch 15 on the barrel pump 12 and adjust the pressure of the nitrogen pressure reducing valve 14 to 0.02 MPa, open the discharge valve 16 and the first valve 17, and the liquid in the barrel is pressed into the mixing cylinder 43 by the nitrogen;

[0050] When the liquid is completely sucked out and the pointer of the pressure gauge 3 is stable, slowly increase the pressure of the nitrogen pressure reducing valve 14. When the pressure gauge 3 displays 0, close the nitrogen pressure reducing valve 14, the first valve 17, the discharge valve 16 and the air source switch 15 of the barrel pump 12 in sequence.

[0051] After the carrier and liquid are evenly mixed, open the material plate 45 to receive the materials, close the bag opening to the material discharge port 44, pinch the excess part of the bag opening by hand to leave no gap in contact with the air, slowly fill the bag with nitrogen pipe, finally pull out the nitrogen pipe and seal the bag opening.

[0052] The above is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A device for adsorbing liquid on a carrier isolated from air, comprising a nitrogen filling mechanism (1) and a vacuum pumping mechanism (2), characterized in that: The nitrogen charging mechanism (1) comprises a first support platform (11), a barrel pump (12) is installed inside the first support platform (11), a nitrogen bottle (13) is installed on the top of the first support platform (11), the barrel pump (12) is connected to the nitrogen bottle (13) through a pressure reducing valve (14) and a gas source switch (15) in conjunction with a pipeline, and the nitrogen bottle (13) is connected to the pressure gauge (3) through a discharge valve (16) and a first valve (17); The vacuum pumping mechanism (2) comprises a second support platform (21), a vacuum pump (22) is installed inside the second support platform (21), and second valves (23) are installed at both air inlet ends of the vacuum pump (22), and the second valves (23) are connected to the pressure gauge (3) through a pipeline in conjunction with a third valve (24); The pressure gauge (3) is also connected to a mixer (4) via a main pipe (31); The connecting pipe between the barrel pump (12) and the air source switch (15) is also equipped with a pressure gauge (18); The mixer (4) includes a third support platform (41), a reduction motor (42) is installed inside the third support platform (41), and the reduction motor (42) is connected to a mixing cylinder (43) installed on the top of the third support platform (41) through a belt pulley and a belt drive, and the rotating shaft of the mixing cylinder (43) is a hollow rotating shaft, and the air holes on the surface of the hollow rotating shaft are connected to one end of the main pipe (31); A discharge port (44) is provided at one end of the bottom of the mixing cylinder (43), a discharge plate (45) is provided at one end of the discharge port (44), a feeding port (46) is provided at the top of the mixing cylinder (43), and a feeding cover (47) is hingedly connected to the feeding port (46); A PLC controller is also installed inside the second support platform (21), and the pressure gauge (18) and the pressure total gauge (3) are both electrically connected to the PLC controller. The PLC controller is electrically connected to the reduction motor (42), the second valve (23), the vacuum pump (22), the first valve (17), the third valve (24), the air source switch (15), the discharge valve (16), the pressure reducing valve (14) and the barrel pump (12), and the PLC controller is electrically connected to an external power supply.

2. The device for adsorbing liquid on an air-insulated carrier according to claim 1, characterized in that: The inner edge of the feeding cover (47) is fixedly connected with a sealing strip (48), and the sealing strip (48) is adapted to the size of the edge of the feeding port (46).

3. The device for adsorbing liquid on an air-insulated carrier according to claim 1, characterized in that: Shock-absorbing foot pads (5) are installed at the bottoms of the first support platform (11), the second support platform (21), and the third support platform (41).

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