Premixing device for degreasing agent raw materials
By designing components such as drive cylinder, check valve and Venturi jet pump in degreaser mixer, efficient mixing of additives and solvents is achieved, solving the problem of poor mixing effect in the prior art, and improving premix efficiency and smoothness sex.
Patent Information
- Application Number
- CN202422900936.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-11-27
AI Technical Summary
When the existing degreasing agent mixers are loaded automatically, the viscosity of the surfactant and inhibitor is high, resulting in poor fluency and poor mixing effect. It is necessary to improve the mixing effect of additives and solvents and the premix efficiency.
A premix device for degreasing agent raw materials is designed, using a driving cylinder to drive the piston downward and upward along the inner wall of the pressure cylinder, and the pressure injection of solvent and the suction and mixing of additives are controlled through a check valve, using a Venturi jet pump and The agitating rod achieves pressure injection and stirring, improving the smoothness of additive loading and mixing effect.
It effectively shortens the premix operation time, improves the mixing uniformity and premix efficiency of additives and solvents, and improves the smoothness of additive loading.
Smart Images
Figure CN222266851U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mixing equipment, in particular to a premixing device for degreasing agent raw materials. Background Art
[0002] As we all know, degreasers are mainly used to remove oil stains from the surface of objects, including three types: alkaline degreasers, emulsion degreasers and solvent degreasers. Degreasers are mixed by adding surfactants, inhibitors and other additives to the solvent during production.
[0003] Chinese utility model patent CN215743005U discloses a degreaser mixer capable of automatic feeding, belonging to the technical field of degreasers, including a feeding mechanism and a discharge channel, and also including a housing assembly, which is connected to the feeding mechanism, including a driving mechanism, which is assembled on one side of the housing assembly, and a floating premixer, which is matched with the floating premixer and is used to control the output of the degreaser of the floating premixer. The output of the degreaser of the floating premixer can be controlled by the change of the liquid level in the premixing cavity, and the degreaser can be stirred in conjunction with the rotation of the floating premixer, so as to achieve the purpose of automatic feeding according to the change of the liquid level.
[0004] However, the above-mentioned mixer still has the following defects: the viscosity of the surfactant and the inhibitor is large, the smoothness during automatic feeding is poor, and the mixing effect of the surfactant, the inhibitor and the solvent needs to be further improved. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a premixing device for degreasing agent raw materials, which improves the smoothness of additive feeding, improves the mixing effect of additives and solvents, effectively shortens the premixing operation time, and improves the premixing efficiency.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a premixing device for degreasing agent raw materials, comprising a frame, a premixing cylinder fixedly mounted on the frame, a pressure cylinder mounted in the middle of the premixing cylinder, a piston slidably mounted in the pressure cylinder, a driving cylinder fixedly mounted on the frame and providing power for the piston to slide up and down, a liquid inlet pipe connected to the interior of the premixing cylinder, a liquid outlet pipe connected to the interior of the premixing cylinder and an additive filling mechanism, wherein the input end of the liquid inlet pipe extends into the bottom of the premixing cylinder, the output end of the liquid inlet pipe is equipped with a first one-way valve allowing the solution to enter the pressure cylinder in one direction, the liquid outlet pipe is equipped with a second one-way valve allowing the solution in the pressure cylinder to enter the liquid outlet pipe in one direction, the additive filling mechanism comprises a liquid storage tank fixedly mounted on the upper part of the pressure cylinder and a Venturi jet pump mounted on the liquid outlet pipe, and the Venturi jet pump is equipped with a suction pipe connected to the throat of the Venturi jet pump and extending into the liquid storage tank.
[0007] The ultimate liquid level in the premixing cylinder is lower than the top of the reservoir.
[0008] Preferably, the pressure cylinder is rotatably installed in the premixing cylinder, a hollow shaft is provided at the bottom of the pressure cylinder, a driver for providing power for the rotation of the hollow shaft is installed on the frame, and the output end of the drive cylinder passes through the inside of the hollow shaft.
[0009] The driver includes a motor, a reducer and a transmission member. The motor provides power for the rotation of the reducer. The output shaft of the reducer is connected to the hollow shaft through a transmission member. The transmission member is preferably two gears. The transmission member can also be other equivalent parts such as a transmission chain or a transmission belt. The liquid inlet pipe, liquid outlet pipe and liquid suction pipe are all made of hard pipes, such as stainless steel pipes or hard plastic pipes.
[0010] Preferably, a straight cylinder portion is provided at the bottom of the premixing cylinder, and the pressure cylinder is rotatably installed in the straight cylinder portion.
[0011] Preferably, a sealing member is provided in the straight cylinder portion and is in rotational sealing contact with the outer wall of the pressure cylinder; further, the sealing member may be a packing seal, or an equivalent member with a sealing effect such as a mechanical shaft seal.
[0012] Preferably, the input end of the liquid pipette is close to the central bottom of the premixing tube, and the output end of the liquid outlet pipe is far away from the upper center of the premixing tube.
[0013] Preferably, a stirring rod is installed on the liquid suction pipe and the liquid discharge pipe.
[0014] Preferably, the liquid outlet pipe is provided with a plurality of liquid outlet holes arranged along the vertical axis direction of the liquid outlet pipe; further, the bottom port of the liquid outlet pipe is in a blocked state.
[0015] Compared with the prior art, the utility model provides a premixing device for degreasing agent raw materials, which has the following beneficial effects:
[0016] The premixing device of the degreasing agent raw material drives the piston to move downward along the inner wall of the pressure cylinder through the driving cylinder, so that the pressure in the pressure cylinder is reduced, the first one-way valve is opened, the second one-way valve is closed, and the solvent in the premixing cylinder is sucked into the pressure cylinder, then the output end of the driving cylinder is extended, the piston moves upward along the inner wall of the pressure cylinder, the pressure in the pressure cylinder is increased, the first one-way valve is closed, the second one-way valve is opened, and the solvent is pressurized and injected into the liquid outlet pipe. When the solvent passes through the Venturi jet pump, the throat pressure in the Venturi jet pump is reduced, and the liquid suction pipe directly sucks the additive in the liquid storage tank into the Venturi jet pump and preliminarily mixes it with the solvent. The mixed solution flows into the premixing cylinder through the output end of the liquid outlet pipe, and the injection of the additive is realized in a pressurized manner, which improves the smoothness of the additive feeding and the mixing effect of the additive and the solvent, effectively shortens the premixing operation time, and improves the premixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0018] Figure 2 It is a schematic diagram of the top plan structure of the utility model.
[0019] Figure 3 The utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.
[0020] Figure 4 The utility model Figure 2 Schematic diagram of the cross-sectional structure at BB in the middle.
[0021] Markings in the attached drawings: 1. frame; 2. premixing cylinder; 3. pressure cylinder; 4. piston; 5. driving cylinder; 6. liquid inlet pipe; 7. liquid outlet pipe; 8. first one-way valve; 9. second one-way valve; 10. liquid storage tank; 11. Venturi jet pump; 12. liquid suction tube; 13. hollow shaft; 14. driver; 15. straight barrel; 16. sealing element; 17. stirring rod; 18. liquid outlet hole. DETAILED DESCRIPTION
[0022] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.
[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, further definition and explanation thereof is not required in subsequent drawings.
[0025] Example 1
[0026] Please refer to Figure 1-4A premixing device for degreasing agent raw materials includes a frame 1, a premixing cylinder 2 fixedly mounted on the frame 1, a pressure cylinder 3 mounted in the middle of the premixing cylinder 2, a piston 4 slidably mounted in the pressure cylinder 3, a driving cylinder 5 fixedly mounted on the frame 1 and providing power for the piston 4 to slide up and down, a liquid inlet pipe 6 connected to the interior of the premixing cylinder 2, a liquid outlet pipe 7 connected to the interior of the premixing cylinder 2 and an additive filling mechanism, the input end of the liquid inlet pipe 6 extends into the bottom of the premixing cylinder 2, the output end of the liquid inlet pipe 6 is equipped with a first one-way valve 8 allowing the solution to enter the pressure cylinder 3 in one direction, and the liquid outlet pipe 7 is equipped with a second one-way valve 9 allowing the solution in the pressure cylinder 3 to enter the liquid outlet pipe 7 in one direction.
[0027] The additive filling mechanism in this embodiment includes a liquid storage tank 10 fixedly installed on the upper part of the pressure cylinder 3 and a Venturi jet pump 11 installed on the liquid outlet pipe 7, and the Venturi jet pump 11 is equipped with a suction pipe 12 which is connected to the throat of the Venturi jet pump 11 and extends into the liquid storage tank 10; further, the limit liquid level in the premixing cylinder 2 is lower than the top of the liquid storage tank 10.
[0028] Please refer to Figure 3 or Figure 4 A straight cylinder portion 15 is provided at the bottom of the premixing cylinder 2, and the pressure cylinder 3 is rotatably installed in the straight cylinder portion 15, and a sealing member 16 is provided in the straight cylinder portion 15 to be in rotatable sealing contact with the outer wall of the pressure cylinder 3. Specifically, the sealing member 16 can be a packing seal, or a mechanical shaft seal or other equivalent member with a sealing effect.
[0029] The pressure cylinder 3 is rotatably installed in the premixing cylinder 2. A hollow shaft 13 is provided at the bottom of the pressure cylinder 3. A driver 14 for providing power for the rotation of the hollow shaft 13 is installed on the frame 1, and the output end of the driving cylinder 5 passes through the inside of the hollow shaft 13; further, the driver 14 includes a motor, a reducer and a transmission member. The motor provides power for the rotation of the reducer. The output shaft of the reducer is connected to the hollow shaft 13 through a transmission member. The transmission member is preferably two gears, and the transmission member can also be other equivalent parts such as a transmission chain or a transmission belt; the liquid inlet pipe 6, the liquid outlet pipe 7 and the liquid suction pipe 12 are all made of hard pipes, such as stainless steel pipes or hard plastic pipes.
[0030] In the premixing device for the degreasing agent raw material provided in this embodiment, the straight cylinder portion 15 can have a good straightening effect on the rotation of the pressure cylinder 3, so that the pressure cylinder 3 remains in a vertical state during the rotation, and the sealing member 16 can realize a rotational seal between the straight cylinder portion 15 and the pressure cylinder 3 to prevent the solution from flowing out; when the additive is added to the solvent, the driver 14 drives the hollow shaft 13 and the pressure cylinder 3 to rotate, so that the pipette 12 and the liquid outlet pipe 7 stir the solution in the premixing cylinder 2, and under the stirring action, the mixing of the additive and the solvent can be accelerated, thereby improving the mixing uniformity of the two.
[0031] Example 2
[0032] The premixing device of the degreasing agent raw material provided in Example 1 is further optimized. For details, please refer to Figure 3 or Figure 4 The input end of the liquid pipette 12 is close to the central bottom of the premixing tube 2, and the output end of the liquid outlet pipe 7 is far away from the upper center of the premixing tube 2.
[0033] A stirring rod 17 is installed on the liquid suction pipe 12 and the liquid outlet pipe 7. The liquid outlet pipe 7 is provided with a plurality of liquid outlet holes 18 arranged along the vertical axis direction of the liquid outlet pipe 7; further, the bottom port of the liquid outlet pipe 7 is in a blocked state.
[0034] In the premixing device for the degreasing agent raw material provided in this embodiment, the liquid suction pipe 12 sucks the solution at the bottom center of the premixing tube 2, and the liquid outlet pipe 7 can discharge the mixed solution to the upper part of the premixing tube 2 away from the center of the premixing tube 2, so that the solution in the premixing tube 2 can be circulated back and forth from bottom to top and from inside to outside, and the liquid outlet hole 18 can increase the contact area between the additive and the solvent in the premixing tube 2, and further dispersed and stirred by the stirring rod 17, which can further improve the mixing effect between the additive and the solvent.
[0035] The use process of the premixing device for degreasing agent raw materials provided by the utility model is as follows: the solvent is injected into the premixing cylinder 2, the additive is injected into the liquid storage tank 10, the driver 14 is started, and the driver 14 drives the hollow shaft 13 and the pressure cylinder 3 to rotate. At the same time, the driving cylinder 5 is started, and the piston 4 is driven by the driving cylinder 5 to move down along the inner wall of the pressure cylinder 3 to reduce the pressure in the pressure cylinder 3, the first one-way valve 8 is opened, and the second one-way valve 9 is closed, the solvent in the premixing cylinder 2 is sucked into the pressure cylinder 3, and then the output end of the driving cylinder 5 is extended, and the piston 4 moves along the inner wall of the pressure cylinder 3. When the liquid moves upward, the pressure in the pressure cylinder 3 increases, the first one-way valve 8 is closed, and the second one-way valve 9 is opened. The solvent is pressurized and injected into the liquid outlet pipe 7. When the solvent passes through the venturi jet pump 11, the throat pressure in the venturi jet pump 11 decreases, and the suction pipe 12 directly sucks the additive in the liquid storage tank 10 into the venturi jet pump 11 and preliminarily mixes it with the solvent. The mixed solution flows into the premixing cylinder 2 through the output end of the liquid outlet pipe 7. The solution in the premixing cylinder 2 is stirred by the suction pipe 12, the liquid outlet pipe 7 and the stirring rod 17 to achieve uniform mixing of the additive and the solvent.
[0036] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
Claims
1. A premixing device for degreasing agent raw materials, characterized in that: The invention comprises a frame (1), a premixing cylinder (2) fixedly mounted on the frame (1), a pressure cylinder (3) mounted in the middle of the premixing cylinder (2), a piston (4) slidably mounted in the pressure cylinder (3), a driving cylinder (5) fixedly mounted on the frame (1) and providing power for the piston (4) to slide up and down, a liquid inlet pipe (6) connected to the interior of the premixing cylinder (2), a liquid outlet pipe (7) connected to the interior of the premixing cylinder (2), and an additive filling mechanism, wherein the input end of the liquid inlet pipe (6) extends into the bottom of the premixing cylinder (2), and the output end of the liquid inlet pipe (6) extends into the bottom of the premixing cylinder (2). A first one-way valve (8) is installed at the end of the pressure cylinder (3) to allow the solution to enter the pressure cylinder (3) in one direction. A second one-way valve (9) is installed on the liquid outlet pipe (7) to allow the solution in the pressure cylinder (3) to enter the liquid outlet pipe (7) in one direction. The additive filling mechanism comprises a liquid storage tank (10) fixedly installed on the upper part of the pressure cylinder (3) and a Venturi jet pump (11) installed on the liquid outlet pipe (7). The Venturi jet pump (11) is installed with a suction pipe (12) which is connected to the throat of the Venturi jet pump (11) and extends into the liquid storage tank (10).
2. The premixing device for degreasing agent raw materials according to claim 1, characterized in that: The pressure cylinder (3) is rotatably mounted in the premixing cylinder (2); a hollow shaft (13) is provided at the bottom of the pressure cylinder (3); a driver (14) for providing power for the rotation of the hollow shaft (13) is installed on the frame (1); and an output end of the drive cylinder (5) passes through the inside of the hollow shaft (13).
3. The premixing device for degreasing agent raw materials according to claim 2, characterized in that: The bottom of the premixing cylinder (2) is provided with a straight cylinder portion (15), and the pressure cylinder (3) is rotatably mounted in the straight cylinder portion (15).
4. The premixing device for degreasing agent raw materials according to claim 3, characterized in that: A sealing member (16) is provided in the straight cylinder portion (15) and is in rotational sealing contact with the outer wall of the pressure cylinder (3).
5. The premixing device for degreasing agent raw materials according to claim 1, characterized in that: The input end of the liquid suction tube (12) is close to the central bottom of the premixing cylinder (2).
6. The premixing device for degreasing agent raw materials according to claim 1, characterized in that: A stirring rod (17) is installed on the liquid suction pipe (12) and the liquid outlet pipe (7).
7. The premixing device for degreasing agent raw materials according to claim 1 or 6, characterized in that: The liquid outlet pipe (7) is provided with a plurality of liquid outlet holes (18) arranged along the vertical axis direction of the liquid outlet pipe (7).