Emulsifying machine with double-rotor structure

Abstract

The utility model relates to the technical field of emulsifying machines, in particular to an emulsifying machine with a double-rotor structure, which comprises a barrel and a mechanical seal, the mechanical seal is assembled at the top end of the barrel, an end socket is mounted between the barrel and the mechanical seal, a concentric and coaxial support is arranged at the top end of the mechanical seal, and the concentric and coaxial support is connected with the barrel. An anti-explosion high-speed motor is installed at the top end of the concentric and coaxial support. According to the emulsifying machine with the double-rotor structure, the explosion-proof high-speed motor is arranged, materials are fully stirred and sheared in the barrel body through quick and slow bidirectional stirring, the high-speed stirring shaft can quickly break liquid drops to form a uniform emulsifying effect, and the low-speed stirring paddle is slowly stirred to form a uniform emulsifying effect; by adopting the structure, materials are fully mixed among different stirring layers, so that the emulsifying efficiency is greatly improved, the quality and the stability of a final product are ensured, and the problem of non-uniform emulsification possibly caused by single-speed stirring is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to emulsifying machine technical field, concretely is an emulsifying machine of double rotor structure. BACKGROUND

[0002] The emulsifying machine is a kind of equipment widely used in chemical industry, food, pharmaceutical and daily chemical industry etc., mainly for the liquid that two or more mutually insoluble is mixed to form stable emulsion by high shear force. The core component of emulsifying machine is stirring shaft and dispersion disc, these components are strongly sheared and disturbed to material when high-speed rotating, make liquid drop separate each other and redistribute, realize emulsification.

[0003] Most of the emulsifying machines on the market adopt single stirring structure, which is good when dealing with low viscosity and low homogeneity requirements, but when facing high viscosity, multi-phase liquid or high emulsification requirements, single stirring structure is easy to cause dead angle of material in the stirring process, cannot realize uniform stirring in full range, and further cause uneven emulsification. In addition, due to the strong shear force brought by single high-speed stirring, material is easy to be over-sheared, which leads to the decrease of emulsion stability or even stratification. At present, some emulsifying machines solve this problem by increasing stirring speed or increasing stirring time, but these methods often lead to increased energy consumption, high material temperature rise, and even affect the quality and stability of the final product.

[0004] Therefore, an emulsifying machine with double rotor structure is needed to solve the technical defects in the above-mentioned technology. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an emulsifying machine with double rotor structure to solve the problem of uneven emulsification caused by single speed stirring in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an emulsifying machine with double rotor structure, comprising a cylinder body and a mechanical seal, the cylinder body top end is equipped with mechanical seal, the cylinder body and mechanical seal between installation has the head, the mechanical seal top end is provided with concentric coaxial support, the concentric coaxial support top end is installed with the explosion -proof high -speed motor, the output shaft of explosion -proof high -speed motor penetrates concentric coaxial support and mechanical seal and extends to the cylinder body inside and is fixedly connected with stirring shaft, the stirring shaft outside is provided with two groups of dispersion disc, the concentric coaxial support top end right side is fixedly connected with low speed motor, the output shaft of low speed motor is fixedly connected with low speed paddle through transmission chain wheel and chain belt, and the low speed paddle is movably sleeved on the outside of the stirring shaft.

[0007] Preferably, the low speed paddle is provided with a hollow shaft sleeve outside, and the stirring shaft penetrates the hollow shaft sleeve and can rotate relative to the low speed paddle.

[0008] Preferably, the dispersion disc is fixedly connected with two groups outside the stirring shaft, and the dispersion discs are annularly distributed outside the stirring shaft.

[0009] Preferably, the low-speed stirring paddle is a rhombic frame type stirring paddle, and a plurality of Teflon scraping walls are fixed to the outside of the low-speed stirring paddle by screws.

[0010] Preferably, the cylinder is provided with lugs on the left and right sides, a jacket is arranged outside the cylinder, and a jacket head is arranged between the jacket and the cylinder.

[0011] Preferably, a lower expansion type discharge valve is arranged at the bottom end of the cylinder, a manhole is arranged at one side of the top end of the cylinder, a vacuum port is arranged at one end of the manhole, a standby port is arranged at the other end of the manhole, two groups of feeding ports are arranged at the other side of the manhole, a water inlet is arranged at one end of the feeding port, and one group of sight glasses is arranged at the top of the cylinder.

[0012] Compared with the prior art, the emulsifying machine with the double-rotor structure not only realizes the improvement of emulsification efficiency, the avoidance of uneven emulsification, the avoidance of the deposition of materials on the inner wall of the cylinder and the reduction of material waste, but also realizes the controllability and the simplicity of operation.

[0013] (1) The explosion-proof high-speed motor, the stirring shaft, the low-speed motor and the low-speed stirring paddle are arranged, the emulsifying machine adopts a double-rotor structure, the stirring shaft is driven by the explosion-proof high-speed motor to stir at high speed in the cylinder, the low-speed motor drives the transmission wheel and the transmission chain to transmit torque to the low-speed stirring paddle, the stirring shaft penetrates through the hollow shaft sleeve at the upper part of the low-speed stirring paddle and is connected with the hollow shaft sleeve in a loose manner, so that the rotation of the stirring shaft and the low-speed stirring paddle does not interfere with each other, the bidirectional stirring at high and low speeds enables the materials in the cylinder to be fully stirred and sheared, the high-speed stirring shaft can quickly break the liquid drops to form uniform emulsification, and the low-speed low-speed stirring paddle can ensure that the materials are fully mixed between different stirring layers through slow stirring, so that the emulsification efficiency is greatly improved, the problem of uneven emulsification caused by single-speed stirring is avoided, and the quality and stability of the final product are ensured.

[0014] (2) The low-speed stirring paddle is arranged, and a plurality of Teflon scraping walls are arranged on the outer wall of the low-speed stirring paddle, which can slowly scrape the materials adhered to the cylinder, effectively scrape the materials adhered to the inner wall of the cylinder, make the materials re-enter the stirring area, avoid the deposition of the materials on the inner wall of the cylinder, improve the efficiency of the emulsification process, reduce the waste of the materials, and ensure long-time use in a high-temperature and high-pressure environment due to the excellent corrosion resistance and high-temperature resistance of the Teflon material.

[0015] (3) by being provided with the lower unfolding type discharging valve, the vacuum port, the feeding port, the water inlet, the sight glass, the cylinder body is provided with the lower unfolding type discharging valve at the bottom end, is provided with the vacuum port at the top end for keeping the working pressure in the cylinder body in the normal range, two groups of feeding ports can put different materials, the water inlet is used for cleaning and water replenishment, and the two groups of sight glasses are convenient to observe, realize more complex formula production, provide convenient cleaning and observation ways for operating personnel, and ensure controllability in the emulsification process and the simplicity of operation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view sectional structure schematic view of the utility model;

[0017] Figure 2 It is a manhole plan view structure schematic view of the utility model;

[0018] Figure 3 It is a low-speed paddle front view structure schematic view of the utility model;

[0019] Figure 4 It is a stirring shaft front view structure schematic view of the utility model.

[0020] In the drawing: 1, explosion-proof high-speed motor; 2, low-speed motor; 3, concentric coaxial support; 4, mechanical seal; 5, head; 6, cylinder body; 7, lug; 8, jacket; 9, stirring shaft; 10, dispersion disc; 11, low-speed paddle; 12, jacket head; 13, lower unfolding type discharging valve; 14, vacuum port; 15, manhole; 16, standby port; 17, sight glass; 18, water inlet; 19, feeding port. DETAILED DESCRIPTION

[0021] 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 those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Embodiment 1: please refer to Figures 1-4The emulsifying machine with double-rotor structure comprises a barrel 6 and a mechanical seal 4, the barrel 6 is provided with the mechanical seal 4 at the top end, a head 5 is arranged between the barrel 6 and the mechanical seal 4, a concentric shaft support 3 is arranged at the top end of the mechanical seal 4, a high-speed explosion-proof motor 1 is arranged at the top end of the concentric shaft support 3, an output shaft of the high-speed explosion-proof motor 1 extends into the barrel 6 through the concentric shaft support 3 and the mechanical seal 4 and is fixedly connected with a stirring shaft 9, two groups of dispersion discs 10 are arranged outside the stirring shaft 9, a low-speed motor 2 is fixedly connected to the right side of the top end of the concentric shaft support 3, an output shaft of the low-speed motor 2 is fixedly connected with a low-speed stirring paddle 11 through a transmission sprocket and a chain belt, and the low-speed stirring paddle 11 is movably sleeved outside the stirring shaft 9.

[0023] Specifically, as shown in Figure 1 、 Figure 3 and Figure 4 , the emulsifying machine adopts a double-rotor structure, the stirring shaft 9 is driven by the high-speed explosion-proof motor 1 to stir at high speed in the barrel 6, the transmission wheel and the transmission chain belt driven by the low-speed motor 2 transmit torque to the low-speed stirring paddle 11, the stirring shaft 9 penetrates through the hollow shaft sleeve of the upper part of the low-speed stirring paddle 11 and is movably connected with the low-speed stirring paddle 11, so that the rotation of the stirring shaft 9 and the low-speed stirring paddle 11 does not interfere mechanically, and through the bidirectional stirring of fast and slow, the material in the barrel 6 is fully stirred and sheared, the high-speed stirring shaft 9 can quickly break the liquid droplets to form uniform emulsification effect, and the low-speed low-speed stirring paddle 11 can ensure that the material is fully mixed between different stirring layers through slow stirring.

[0024] In example 2, the low-speed stirring paddle 11 is provided with a hollow shaft sleeve outside, the stirring shaft 9 penetrates through the hollow shaft sleeve and can rotate relative to the low-speed stirring paddle 11, two groups of dispersion discs 10 are fixedly connected outside the stirring shaft 9, the dispersion discs 10 are annularly distributed outside the stirring shaft 9, the low-speed stirring paddle 11 is a rhombic frame stirring paddle, and a plurality of fluorine scraping walls are fixed outside the low-speed stirring paddle 11 by screws.

[0025] Specifically, as shown in Figure 1 and Figure 3 , the low-speed stirring paddle 11 is provided with a plurality of fluorine scraping walls outside the outer wall, which can slowly scrape the material adhered to the barrel 6, can effectively scrape the material adhered to the inner wall of the barrel 6 to make it re-enter the stirring area, not only can avoid the deposition of the material on the inner wall of the barrel 6, improve the efficiency of the emulsification process, but also reduce the waste of the material.

[0026] In the embodiment 3, the ears 7 are arranged on both sides of the barrel 6, the jacket 8 is arranged outside the barrel 6, the jacket head 12 is arranged between the jacket 8 and the barrel 6, the lower unfolding discharge valve 13 is arranged at the bottom end of the barrel 6, the manhole 15 is arranged at one side of the top end of the barrel 6, the vacuum port 14 is arranged at one end of the manhole 15, the standby port 16 is arranged at the other end of the manhole 15, two groups of feeding ports 19 are arranged at the other side of the manhole 15, the water inlet 18 is arranged at one end of the feeding port 19, and one group of sight glasses 17 is arranged at the top of the barrel 6.

[0027] Specifically, as shown in Figure 1 and Figure 2 , the barrel 6 is provided with the lower unfolding discharge valve 13 at the bottom end and the vacuum port 14 at the top end for keeping the working pressure in the barrel 6 within the normal range, the two groups of feeding ports 19 can be used to put different materials, the water inlet 18 is used for cleaning and water replenishment, and the two groups of sight glasses 17 are used for observation, so that more complex formula production can be realized.

[0028] Working principle: the emulsifying machine adopts a double-rotor structure, the stirring shaft 9 is driven by the explosion-proof high-speed motor 1 to stir at high speed in the barrel 6, the transmission wheel and the transmission chain belt driven by the low-speed motor 2 transmit torque to the low-speed paddle 11, the stirring shaft 9 penetrates the hollow shaft sleeve at the upper part of the low-speed paddle 11 and is connected with the low-speed paddle 11, so that the rotation of the stirring shaft 9 and the low-speed paddle 11 does not interfere with each other, through the bidirectional stirring of the high-speed and low-speed, the material in the barrel 6 is fully stirred and sheared, the high-speed stirring shaft 9 can quickly break the liquid drops to form uniform emulsification effect, and the low-speed low-speed paddle 11 can ensure that the materials are fully mixed between different stirring layers through slow stirring, the outer wall of the low-speed paddle 11 is further provided with a plurality of Teflon wall scraping devices, which can slowly scrape the materials adhered to the barrel 6, so that the materials adhered to the inner wall of the barrel 6 can be scraped into the stirring area again, which not only avoids the deposition of the materials on the inner wall of the barrel 6, but also improves the efficiency of the emulsification process and reduces the waste of the materials, the barrel 6 is provided with the lower unfolding discharge valve 13 at the bottom end and the vacuum port 14 at the top end for keeping the working pressure in the barrel 6 within the normal range, the two groups of feeding ports 19 can be used to put different materials, the water inlet 18 is used for cleaning and water replenishment, and the two groups of sight glasses 17 are used for observation, so that more complex formula production can be realized.

[0029] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An emulsifier with a dual-rotor structure, comprising a cylinder (6) and a mechanical seal (4), characterized in that: The top of the cylinder (6) is equipped with a mechanical seal (4), and a head (5) is installed between the cylinder (6) and the mechanical seal (4). The top of the mechanical seal (4) is provided with a concentric coaxial bracket (3), and the top of the concentric coaxial bracket (3) is equipped with an explosion-proof high-speed motor (1). The output shaft of the explosion-proof high-speed motor (1) extends through the concentric coaxial bracket (3) and the mechanical seal (4) into the cylinder (6) and is fixedly connected to a stirring shaft (9). Two sets of dispersion discs (10) are provided outside the stirring shaft (9). A low-speed motor (2) is fixedly connected to the right side of the top of the concentric coaxial bracket (3). The output shaft of the low-speed motor (2) is fixedly connected to a low-speed agitator (11) through a transmission sprocket and a chain belt. The low-speed agitator (11) is movably sleeved outside the stirring shaft (9).

2. The emulsifier with a dual-rotor structure according to claim 1, characterized in that: The low-speed mixing blade (11) is provided with a hollow shaft sleeve on the outside, and the stirring shaft (9) passes through the hollow shaft sleeve and can rotate relative to the low-speed mixing blade (11).

3. The emulsifier with a dual-rotor structure according to claim 1, characterized in that: Two sets of dispersion discs (10) are fixedly connected to the outside of the stirring shaft (9), and the dispersion discs (10) are distributed in a ring outside the stirring shaft (9).

4. The emulsifier with a dual-rotor structure according to claim 1, characterized in that: The low-speed mixing paddle (11) is a diamond-shaped frame mixing paddle with multiple sets of PTFE scrapers. The PTFE scrapers are fixed to the outside of the low-speed mixing paddle (11) by screws.

5. An emulsifier with a dual-rotor structure according to claim 1, characterized in that: The cylinder (6) is equipped with lugs (7) on both the left and right sides, and a sleeve (8) is provided on the outside of the cylinder (6). A sleeve end cap (12) is installed between the sleeve (8) and the cylinder (6).

6. An emulsifier with a dual-rotor structure according to claim 1, characterized in that: The bottom end of the cylinder (6) is equipped with a downward-expanding discharge valve (13). A manhole (15) is provided on one side of the top end of the cylinder (6). A vacuum port (14) is provided at one end of the manhole (15), and a spare port (16) is provided at the other end of the manhole (15). Two sets of feed inlets (19) are provided on the other side of the manhole (15). A water inlet (18) is provided at one end of the feed inlet (19). A set of sight glasses (17) is provided at each end of the top of the cylinder (6).

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