Adjustable multi-proportion mixing structure

Abstract

The utility model relates to the field of fluid mixing, in particular to an adjustable multi-proportion mixing structure which comprises a Y-shaped conducting pipe, the Y-shaped conducting pipe is provided with two independent feed ports and a main feed port, adjustable fan blade devices are arranged in the two independent feed ports, a spiral static mixer is mounted in the main feed port, and the spiral static mixer is connected with the Y-shaped conducting pipe. The adjustable fan blade device comprises a second fan blade fixedly arranged, a first fan blade and a third fan blade, wherein the first fan blade and the third fan blade are movably installed. The product ensures that two fluids are uniformly mixed before entering the spray gun; through the optimized fluid channel design and the efficient mixing mechanism, the resistance of the fluid in the mixing process is reduced, and the power consumption is reduced; by accurately controlling the flow and optimizing the fluid channel, the flow speed of the mixed fluid is stable and meets the requirement; due to the improvement of the mixing uniformity and the flow velocity stability, the atomization effect of the non-Newtonian fluid can be remarkably improved, and therefore the spraying quality and the working efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid mixing technical field, concretely is a kind of adjustable multi-proportion mixing structure. BACKGROUND

[0002] As the key equipment in many industrial processes, the performance optimization and technological innovation of double-fluid mixers are particularly important. For a long time, although double-fluid mixers have undergone continuous improvement and development, they still face many challenges in practical applications.

[0003] Firstly, the problem of mixing uniformity has always been a key factor restricting the performance improvement of double-fluid mixers. Uneven mixing not only affects the final quality of the product, but also can lead to resource waste and environmental pollution. Secondly, excessive power consumption is also a common problem of current double-fluid mixers, which not only increases the production cost, but also limits its widespread application in energy-intensive industries. In addition, low flow rate is also an important aspect that affects the use effect of double-fluid mixers, especially in industries that require high flow rate to ensure sufficient fluid atomization and uniform spraying, such as 3C parts manufacturing, furniture paint spraying, etc. Insufficient flow rate often leads to the inability of fluid to be effectively sprayed through the spray gun, thereby affecting the smooth progress of subsequent process steps.

[0004] In view of the above problems, a large amount of research and exploration has been carried out inside and outside the industry, but the existing technology is still difficult to fully meet the comprehensive requirements of mixing uniformity, power consumption and flow rate in high-viscosity fluid spraying and other fields. Especially when dealing with non-Newtonian fluids, due to the complexity and particularity of the fluid, the problem of uneven mixing is particularly prominent, which leads to the increase of atomization particle size and the decrease of atomization effect, seriously affecting the quality and production efficiency of the product. INVENTION CONTENTS

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] The adjustable multi-proportion mixing structure comprises a Y-shaped conducting pipe, the Y-shaped conducting pipe is provided with two independent feed inlets and one total feed inlet, the two independent feed inlets are each provided with an adjustable fan blade device, and a spiral static mixer is installed in the total feed inlet, the adjustable fan blade device comprises a fixedly arranged No. 2 fan blade and movably arranged No. 1 fan blade and No. 3 fan blade, the independent feed inlets can be connected to one kind of fluid to be mixed, the total feed inlet can be connected to another kind of fluid to be mixed, the No. 1 fan blade and the No. 3 fan blade can move in a preset movable area, the opening size of the independent feed inlets is changed in a rotating and / or moving manner of the fan blades, so that the flow is adjusted, the accurate proportioning of the two kinds of fluid to be mixed is realized, the spiral static mixer can utilize the disturbance effect to rapidly and uniformly mix the two kinds of proportioned fluid to be mixed under high pressure and high shear conditions, the shape of the Y-shaped conducting pipe in cooperation with the optimized size can reduce the resistance of the fluid to be mixed in the mixing process, reduce power consumption, and ensure that the flow rate of the mixed fluid is stable and meets the requirements.

[0007] As a further scheme of the utility model: the adjustable fan blade device adopts a double-layer thin-wall structure, which reduces the size of the product and facilitates the adjustment of the angle and position of the fan blade.

[0008] As a further scheme of the utility model: the mouth part of the independent feed inlet is designed with a threaded structure, which facilitates the connection of the fluid to be mixed.

[0009] As a further scheme of the utility model: the spiral static mixer is internally provided with static spiral blades, the two sides of the spiral blades are at an acute angle with the independent feed inlet, when the fluid to be mixed enters the spiral blades, the spiral surface of the spiral blades performs strong shearing on the fluid to be mixed, can cut the particles and realize uniform mixing.

[0010] As a further scheme of the utility model: the two sides of the spiral blades are at an angle of 30-45 degrees with the independent feed inlet, the shearing force of this angle is the strongest, and the mixing effect is the best.

[0011] As a further scheme of the utility model: the adjustable multi-proportion mixing structure further comprises a sealing structure arranged between the fan blade and the independent feed inlet, for avoiding fluid leakage during the mixing process.

[0012] As a further scheme of the utility model: the fan blade is fixed through a fastening screw, a gasket and a fastening nut, and has good fixing firmness.

[0013] As a further scheme of the utility model: the upper half of the fastening screw is a non-threaded structure, used for the movement adjustment of the No. 1 fan blade and the No. 3 fan blade, and the lower half is a threaded structure, used for fixing the position of the fan blade.

[0014] As a further scheme of the utility model: the structure of the first fan blade and the third fan blade is same, the first fan blade includes a fan surface, a mounting groove, a flow blocking panel and a fixing ring, the fixing ring is located at the center angle of the fan surface, the flow blocking panel is installed at the arc of the fan surface, the mounting groove is arranged on the flow blocking panel and the mounting groove is in contact with the fan surface, the fixing ring is used for limiting and fixing with the plane, the flow blocking panel is used for cooperation of the first fan blade and the third fan blade, the position of the first fan blade and the third fan blade can be limited, and the mounting groove is used for installing the knob with the buckle structure, so as to facilitate adjustment.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The product is rationally designed, the uniformity of mixing can be improved, the adjustable fan blade device and the spiral static mixer are used in combination, uniform mixing of two kinds of fluids before entering the spray gun is ensured, and the problem of uneven mixing of fluids in the traditional mixer is avoided.

[0017] The product can reduce power consumption, the optimized fluid channel design and the efficient mixing mechanism make the resistance of fluids in the mixing process small, thereby reducing the power consumption.

[0018] The product can improve the flow stability, accurately control the flow and optimize the fluid channel, ensure the flow stability of the mixed fluid and meet the requirements, and avoid the spraying problem caused by flow fluctuation.

[0019] The product can enhance the atomization effect, the atomization effect of non-Newtonian fluid can be significantly improved due to the improvement of mixing uniformity and flow stability, thereby improving the spraying quality and work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure diagram of the adjustable multi-proportion mixing structure in the utility model embodiment.

[0021] Figure 2 It is the perspective view of the adjustable multi-proportion mixing structure in the utility model embodiment.

[0022] Figure 3 It is the perspective view of the fan blade in the adjustable multi-proportion mixing structure in the utility model embodiment.

[0023] Figure 4 It is the sectional view of the fan blade in the adjustable multi-proportion mixing structure in the utility model embodiment.

[0024] Figure 5 It is the side view of the right feed inlet in the adjustable multi-proportion mixing structure in the utility model embodiment.

[0025] Figure 6It is the rear view of the right feed inlet in the adjustable multi-proportion mixing structure in the embodiment of the utility model.

[0026] Figure 7 It is the perspective view of the spiral static mixer in the adjustable multi-proportion mixing structure in the embodiment of the utility model.

[0027] Figure 8 It is the perspective view of the sealing structure of the right feed inlet in the adjustable multi-proportion mixing structure in the embodiment of the utility model.

[0028] Figure 9 It is the first partial enlarged view of the adjustable multi-proportion mixing structure in the embodiment of the utility model.

[0029] Figure 10 It is the second partial enlarged view of the adjustable multi-proportion mixing structure in the embodiment of the utility model.

[0030] Figure 11 It is the perspective view of the adjustable fan device in the adjustable multi-proportion mixing structure in the embodiment of the utility model.

[0031] Figure 12 It is the partial enlarged view of the mounting groove in the adjustable multi-proportion mixing structure in the embodiment of the utility model.

[0032] In the drawing: 101 - spiral static mixer, 102 - right one fan leaf, 103 - first fastening screw, 104 - right three fan leaves, 105 - right two fan leaves, 106 - first gasket, 107 - first fastening nut, 108 - left one fan leaf, 109 - second fastening screw, 110 - left three fan leaves, 111 - left two fan leaves, 112 - second gasket, 113 - second fastening nut, 201 - right feed inlet, 202 - material drop mixing cavity, 203 - left feed inlet, 301 - mounting groove, 302 - fan surface, 303 - flow blocking panel, 304 - fixed ring, 501 - right three fan leaves movable area, 502 - right one fan leaf movable area, 901 - three fan leaf moving clamping groove, 902 - first stop position clamping groove, 903 - second stop position clamping groove, 1001 - one fan leaf moving clamping groove, 1101 - right three fan leaves movable plane, 1102 - right one fan leaf movable plane. DETAILED DESCRIPTION

[0033] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] The specific implementation of the utility model is described in detail below in combination with specific embodiments.

[0035] Embodiment 1: Please refer to Figures 1-12 The utility model discloses a kind of adjustable multi-proportion mixing structures provided in the embodiment, including Y type conducting pipe, the Y type conducting pipe is provided with two independent feed ports and one total feed port, two independent feed ports are left feed port 203 and right feed port 201, adjustable fan blade device is set in left feed port 203 and right feed port 201, total feed port is equipped with helical static mixer 101, adjustable fan blade device includes fixedly arranged second fan blade and movably installed first fan blade and third fan blade, second fan blade can limit the movement area of first fan blade and third fan blade, first fan blade and third fan blade are same structure, first fan blade includes fan face 302, installation groove 301, flow blocking panel 303 and fixed ring 304, fixed ring 304 is located at the circumferential angle of fan face 302, flow blocking panel 303 is installed at the arc of fan face 302, installation groove 301 is set on flow blocking panel 303 and installation groove 301 is in contact with fan face 302, fixed ring 304 is used for limiting and being fixed with plane, flow blocking panel 303 is used for the cooperation of first fan blade and third fan blade, and the position of first fan blade and third fan blade can be limited, installation groove 301 is used for installing the toggle key containing buckle structure, and it is convenient to adjust, independent feed port can be connected to one kind of fluid to be mixed, total feed port can be connected to another kind of fluid to be mixed, first fan blade and third fan blade can be moved in the preset movable area, the opening size of independent feed port is changed by the mode of rotating and / or moving fan blade, to adjust flow, realize the accurate proportioning of two kinds of fluid to be mixed, helical static mixer 101 can utilize the effect of turbulence, under high pressure and high shear condition, to further mix two kinds of fluid to be mixed quickly and uniformly, the shape of Y type conducting pipe is further cooperated with optimized size (the included angle of left feed port 203 and right feed port 201 with horizontal plane is 30-45 degrees, the distance ratio of the distance from the connecting point of left feed port 203 and right feed port 201 to the plane parallel to fan blade plane to the distance of total feed port is 1.2-1.5), can reduce the resistance of fluid to be mixed in mixing process, reduce power consumption, and ensure that the flow rate of mixed fluid is stable and meets the requirements.Working, left feed port 203 and right feed port 201 are connected to fluid to be mixed, the toggle key of left feed port 203 and right feed port 201 is pressed, to adjust proportion, high pressure pump is pressed into left feed port 203 and right feed port 201 with mixed material, to realize the required proportioning, after proportioning, into material drop mixing chamber 202, helical static mixer 101 in material drop mixing chamber 202 completes uniform mixing.

[0036] Embodiment 2: Please refer to Figures 1-12The adjustable multi-proportion mixing structure includes a Y-shaped guide pipe, the Y-shaped guide pipe is provided with two independent feed inlets and one total feed inlet, the two independent feed inlets are a left feed inlet 203 and a right feed inlet 201, the adjustable fan blade device is arranged in the left feed inlet 203 and the right feed inlet 201, and a spiral static mixer 101 is arranged in the total feed inlet, the adjustable fan blade device includes a fixedly arranged second fan blade and movably arranged first and third fan blades, the second fan blade can limit the movement area of the first and third fan blades, the adjustable fan blade device adopts a double-layer thin-wall structure, the size of the product is reduced, and the angle and position of the fan blade are convenient to adjust.

[0037] Embodiment 3: please refer to Figures 1-12 The adjustable multi-proportion mixing structure includes a Y-shaped guide pipe, the Y-shaped guide pipe is provided with two independent feed inlets and one total feed inlet, the two independent feed inlets are a left feed inlet 203 and a right feed inlet 201, the adjustable fan blade device is arranged in the left feed inlet 203 and the right feed inlet 201, and a spiral static mixer 101 is arranged in the total feed inlet, the adjustable fan blade device includes a fixedly arranged second fan blade and movably arranged first and third fan blades, the second fan blade can limit the movement area of the first and third fan blades, the left feed inlet 203 and the right feed inlet 201 are designed with a threaded structure, and the threaded structure is convenient for the access and connection of the fluid to be mixed.

[0038] Embodiment 4: please refer to Figures 1-12 The adjustable multi-proportion mixing structure includes a Y-shaped guide pipe, the Y-shaped guide pipe is provided with two independent feed inlets and one total feed inlet, the two independent feed inlets are a left feed inlet 203 and a right feed inlet 201, the adjustable fan blade device is arranged in the left feed inlet 203 and the right feed inlet 201, and a spiral static mixer 101 is arranged in the total feed inlet, the adjustable fan blade device includes a fixedly arranged second fan blade and movably arranged first and third fan blades, the second fan blade can limit the movement area of the first and third fan blades, the left feed inlet 203 and the right feed inlet 201 are designed with a threaded structure, and the threaded structure is convenient for the access and connection of the fluid to be mixed.

[0039] Embodiment 5: please refer to Figures 1-12The adjustable multi-proportion mixing structure includes a Y-shaped guide pipe, the Y-shaped guide pipe is provided with two independent feed inlets and one total feed inlet, the two independent feed inlets are a left feed inlet 203 and a right feed inlet 201, the adjustable fan blade device is arranged in the left feed inlet 203 and the right feed inlet 201, a spiral static mixer 101 is arranged in the total feed inlet, the adjustable fan blade device includes a fixedly arranged second fan blade and movably arranged first fan blade and third fan blade, the second fan blade can limit the movement area of the first fan blade and the third fan blade, the adjustable multi-proportion mixing structure further includes a sealing structure arranged between the fan blade and the independent feed inlet, the left and right sides of the sealing structure are connected with the fan blade respectively, so that fluid dripping in the mixing process is avoided.

[0040] Embodiment 6: please refer to Figures 1-12 The adjustable multi-proportion mixing structure includes a Y-shaped guide pipe, the Y-shaped guide pipe is provided with two independent feed inlets and one total feed inlet, the two independent feed inlets are a left feed inlet 203 and a right feed inlet 201, the adjustable fan blade device is arranged in the left feed inlet 203 and the right feed inlet 201, a spiral static mixer 101 is arranged in the total feed inlet, the adjustable fan blade device includes a fixedly arranged second fan blade and movably arranged first fan blade and third fan blade, the second fan blade can limit the movement area of the first fan blade and the third fan blade, the fan blade is fixed through a fastening screw, a gasket and a fastening nut, the fixing firmness is good, the right feed inlet 201 is provided with a right adjustable fan blade device, the right adjustable fan blade device includes a right first fan blade 102, a right second fan blade 105 and a right third fan blade 104, the right first fan blade 102, the right second fan blade 105 and the right third fan blade 104 are fixed through a first fastening screw 103, a first gasket 106 and a first fastening nut 107, the left feed inlet 203 is provided with a left adjustable fan blade device, the left adjustable fan blade device includes a left first fan blade 108, a left second fan blade 111 and a left third fan blade 110, the left first fan blade 108, the left second fan blade 111 and the left third fan blade 110 are fixed through a second fastening screw 109, a second gasket 112 and a second fastening nut 113, taking the right adjustable fan blade device as an example, the right first fan blade 102 and the right third fan blade 104 are movable fan blades, the right second fan blade 105 is a fixed fan blade, Figure 5 The right third fan blade movable area 501 and the right first fan blade movable area 502 are shown in the right third fan blade movable area 501, the right third fan blade 104 is a movable area, the right first fan blade movable area 502 is a movable area of the right first fan blade 102, Figure 11The right three-leaf movable plane 1101 and the right one-leaf movable plane 1102 are also shown. When the right one-leaf 102 rotates to the right one-leaf movable plane 1102, the right one-leaf movable plane 1102 is in an open state, which can realize the feeding function. When the right one-leaf 102 leaves the right one-leaf movable plane 1102, the right one-leaf movable plane 1102 is in a closed state, which can realize the blocking function. Similarly, when the right three-leaf 104 rotates to the right three-leaf movable plane 1101, the right three-leaf movable plane 1101 is in an open state, which can realize the feeding function. When the right three-leaf 104 leaves the right three-leaf movable plane 1101, the right three-leaf movable plane 1101 is in a closed state, which can realize the blocking function. The upper half of the fastening screw is a non-threaded structure, which is used for the movement adjustment of the first leaf and the third leaf. The lower half is a threaded structure, which is used for fixing the position of the leaf. The Y-shaped guide pipe is provided with a third leaf moving slot 901 and a first leaf moving slot 1001. The flow blocking panel 303 is used for the cooperation of the third leaf moving slot 901 and the first leaf moving slot 1001, which can limit the position of the leaf. The third leaf moving slot 901 and the first leaf moving slot 1001 are both provided with a first stop slot 902 and a second stop slot 903. The first stop slot 902 is preferably a 20-degree stop slot, and the second stop slot 903 is a 40-degree stop slot. They are 20-degree and 40-degree division points. In cooperation with the toggle key, multi-proportion mixing can be realized.

[0041] In actual application, the position and number of the leaves can be adjusted according to the needs to realize the mixing of specific proportions, and the fine mixing of the fluid under high pressure and high shear conditions is ensured through the spiral static mixer 101, so that the two media are uniformly mixed before entering the spray gun, which is of great significance for improving the performance of the double-fluid mixer, reducing production cost, improving product quality, and promoting the sustainable development of related industries. The independent inlet can continuously adjust the flow of the two independent inlets by adjusting the angle and position of the leaves, so as to realize accurate proportioning; the spiral static mixer 101 optimizes the residence time of the fluid in the mixing chamber, ensures high shear of the fluid in the delivery pressure head, and thus improves the mixing efficiency; by optimizing the shape and size of the fluid channel, the resistance of the fluid in the mixing process is reduced, the power consumption is reduced, the flow rate of the fluid after mixing is ensured to meet the requirements, and the problem of low flow rate caused by low flow rate is avoided.

[0042] It should be noted that in the utility model, unless another explicit provision and limitation, the terms "rotation", "fixed", "provided with" and other terms should be understood in a broad sense, for example, can be welded connection, can also be bolted connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0043] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A tunable multi-ratio mixing structure comprising a Y-shaped flow guide, the Y-shaped flow guide being provided with two independent inlets and one total inlet, characterized in that, Two adjustable fan devices are arranged in the two independent feeding ports, and a spiral static mixer is arranged in the total feeding port.

2. The adjustable multiple ratio mixing structure of claim 1, wherein, The spiral static mixer is internally provided with static spiral blades, and the two sides of the spiral blades are in acute angle with the independent feeding ports.

3. The adjustable multiple ratio mixing structure of claim 2, wherein, The two sides of the spiral blades are in 30-45 degrees with the independent feeding ports.

4. The adjustable multiple ratio mixing structure of claim 1, wherein, The sealing structure arranged between the fan and the independent feeding port is further included.

5. The adjustable multiple ratio mixing structure of claim 1, wherein, The fan is fixed by a fastening screw, a gasket and a fastening nut.

6. The adjustable multiple ratio mixing structure of claim 5, wherein, The upper half of the fastening screw is non-threaded structure, and the lower half is threaded structure.

7. The adjustable multiple proportion mixing structure according to any one of claims 1-6, wherein, The adjustable fan device adopts double-layer thin-wall structure.

8. The adjustable multiple ratio mixing structure of claim 1, wherein, The first fan and the third fan are the same in structure, and the first fan includes a fan surface, a mounting groove, a flow blocking panel and a fixing ring. The fixing ring is located at the central angle of the fan surface, the flow blocking panel is installed at the circular arc of the fan surface, and the mounting groove is arranged on the flow blocking panel and in contact with the fan surface.

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