Capsicum oleoresin extraction stirring tank
By installing a heating device for the storage tank and stirring paddles with different opening angles in the mixing tank, the problem of unsuitable temperature in existing devices was solved, achieving efficient extraction and stable quality of chili oil resin.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-03-17
AI Technical Summary
The existing mixing equipment lacks heating and heat preservation devices, which results in the temperature not meeting the requirements when mixing chili oil paste with brine, affecting the dissolution of effective ingredients, leading to low extraction efficiency and unstable product quality.
A mixing tank including a storage bin and a heating device was designed. The storage bin is equipped with heating wires for heat preservation. The mixing shaft is equipped with mixing paddles with different opening angles to enhance the vortex effect. It is also equipped with an insulation layer and a screw feeder to control the feeding speed and ensure temperature and mixing uniformity.
It achieves full dissolution of active ingredients at suitable temperatures, improves extraction efficiency and product quality, reduces heat loss, and extends equipment life.
Smart Images

Figure CN223995452U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of plant oil extraction technology, and specifically relates to a stirring tank for extracting chili oil resin. Background Technology
[0002] Capsicum oleoresin is a concentrated substance extracted from chili peppers, possessing both spiciness and color, and is widely used in food, pharmaceuticals, and cosmetics. Its extraction process has a crucial impact on product quality and yield. Traditional capsicum oleoresin extraction processes typically include raw material pretreatment, extraction, separation, and concentration. During preparation, the raw chili extract needs to be mixed with brine for washing to extract the effective substances from the chili peppers. However, existing technologies face numerous challenges in implementing this mixed washing process.
[0003] In the prior art, stirring and mixing operations are generally accomplished through simple stirring tanks, as mentioned in the patent application number "CN202220994097.2" entitled "A Capsaicin Extraction and Separation Device": This utility model discloses a capsaicin extraction and separation device, which relates to the field of capsaicin extraction technology, including: a mixing mechanism, the mixing mechanism including a barrel, a stirring part and a lifting part, the stirring part including a lifting plate, a second motor, a rotating shaft and stirring blades, the lifting part controlling the stirring part to move back and forth along the axial direction of the barrel, the lifting plate being slidably connected to the inner wall of the barrel, the rotating shaft being rotatably connected to the lifting plate, and the stirring blades being fixedly installed on the rotating shaft.
[0004] As mentioned above, these mixing devices typically only have basic mixing functions and are not specifically designed for the characteristics of chili extract and brine. For example, the device simply has a stirring paddle inside the tank, driven by a motor to rotate and thus mix the materials, rarely considering the effect of temperature on the extraction of chili oil resin.
[0005] In the preparation process of chili oil resin, the chili extract and brine need to be kept at a certain temperature in order to more effectively wash out the active substances in the chili. However, most of the existing stirring devices do not have heating and heat preservation devices for the chili extract, which makes the temperature of the chili extract and brine not meet the requirements during the mixing process. As a result, the active ingredients in the chili cannot be fully dissolved in the brine, leading to low extraction efficiency and unstable product quality.
[0006] Therefore, it is necessary to design a highly adaptable chili oleoresin extraction mixing tank, taking into account the extraction process of chili oleoresin. Utility Model Content
[0007] This utility model aims to provide a chili oil resin extraction mixing tank, mainly to solve the technical problem that most existing mixing devices do not have heating and heat preservation devices for chili oil paste, resulting in the temperature of chili oil paste and brine not meeting the requirements during the mixing process, and the effective components in chili cannot be fully dissolved in brine, leading to low extraction efficiency and unstable product quality.
[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution:
[0009] A chili oil resin extraction mixing tank includes a tank body, an internal stirring shaft, an upper end of which extends out of the tank and is fixed to a first motor; a stirring assembly is fixed on the stirring shaft; a feed pipe is connected to the top of the tank body, and a storage box for storing chili oil is connected to the end of the feed pipe away from the tank body, the storage box being equipped with a heating device; a feeding device is provided on the storage box, the feeding device being connected to the feed pipe and conveying chili oil into the feed pipe.
[0010] In this solution, during the preparation process of chili oil resin, both the chili extract and the brine need to be kept at a certain temperature. Only after mixing and washing can the effective substances in the chili be washed out more effectively. Therefore, a storage tank is set up and a heating device is set up to keep the chili extract in the storage tank warm.
[0011] Preferably, the stirring assembly includes a first stirring blade and a second stirring blade fixed on a stirring shaft. The first stirring blade includes a plurality of first blades fixed on the stirring shaft and arranged in a circumferential array. The second stirring blade includes a plurality of second blades fixed on the stirring shaft and arranged in a circumferential array. The distances between the ends of the first and second blades furthest from the stirring shaft and the axis of the stirring shaft are not equal. In this design, the different opening angles of the blades of the first and second stirring blades result in different vortex flow velocities when the two stirring blades rotate simultaneously, which enhances the dissolution effect of the effective substances in the chili pepper particles in the liquid.
[0012] Preferably, the first and second blades are not located on the same plane in the vertical direction. In this design, the arrangement of the first and second agitators increases the turbulence of the water flow during the rotation of the agitator shaft, resulting in more uniform mixing of the mixture.
[0013] Preferably, the first and second blades are tilted in opposite directions. In this solution, chili paste and salt water are poured into a mixing tank in a certain proportion. The stirring shaft rotates under the drive of a first motor, and the first and second stirring blades rotate simultaneously, causing water to flow in opposite directions inside the mixture. The collision of the opposite water flows makes the chili paste and salt water mix more quickly and thoroughly.
[0014] Preferably, the storage box includes a box body, and the heating device is a second heating wire, which is disposed outside the box body. In this solution, the heating wire is used to keep the chili paste inside the box warm.
[0015] Preferably, the storage bin has a discharge port at its bottom. The feeding device includes a discharge pipe located outside the storage bin and connected to the discharge port. The discharge pipe is connected to the inlet pipe. A transmission rod is installed inside the bin. The upper end of the transmission rod extends out of the bin and is fixed with a second motor. A spiral blade is fixed to the lower outer periphery of the transmission rod, and the spiral blade extends into the discharge pipe. The outer edge of the spiral blade slides in contact with the discharge pipe. In this design, the spiral blade and the discharge pipe form a simplified spiral feeder. When the second motor rotates, the chili extract inside the bin can be fed into the tank through the inlet pipe via the spiral blade.
[0016] Preferably, the outer surface of the tank is covered with an insulation layer. In this design, the insulation layer can maintain the temperature of the mixture, allowing the target components in the chili peppers to be fully released during the stirring process. Attached Figure Description
[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0018] Figure 1 This is a three-dimensional structural diagram of a chili oil resin extraction stirring tank according to this utility model patent.
[0019] Figure 2 This is a cross-sectional three-dimensional structural diagram of a chili oil resin extraction mixing tank according to this utility model patent.
[0020] The reference numerals in the accompanying drawings include: tank body 11, second heating wire 12, jacket 13, liquid inlet pipe 2, feed pipe 3, stirring shaft 41, first stirring paddle 42, second stirring paddle 43, first motor 44, storage box 51, first heating wire 52, insulation layer 53, discharge pipe 54, transmission rod 61, spiral blade 62, and second motor 63. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] In the description of this utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0023] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the terms "first," "second," and "third" are used in the description, they are for descriptive purposes and to distinguish technical features, and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.
[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. The embodiments of this utility model will now be described based on its overall structure.
[0025] like Figure 1 As shown, this chili oleoresin extraction mixing tank is specially designed for the chili oleoresin extraction process. Its core function is to achieve efficient mixing and stirring of chili extract and brine, and to more effectively wash out the effective substances in chili under suitable temperature conditions, laying a good foundation for the subsequent extraction of chili oleoresin.
[0026] like Figure 2As shown, the chili oil resin extraction mixing tank includes a tank body 11, which is made of high-quality stainless steel and has a cylindrical hollow structure with a conical bottom and a discharge valve. This material has good corrosion resistance and strength, and can withstand the pressure and impact generated during mixing. The conical design at the bottom facilitates the smooth discharge of the mixture after mixing. A jacket 13 is installed on the outside of the tank body 11, forming a closed space between the jacket 13 and the tank body 11. A second heating wire 12 is installed on the outside of the tank body 11 within the closed space to heat and keep the liquid inside the tank body 11 warm. The insulation layer 53 effectively reduces heat exchange between the mixture inside the tank body 11 and the external environment, maintaining a stable temperature of the mixture. This helps to fully release the target components in the chili peppers during mixing and avoids affecting the washing effect of effective substances due to temperature drop. The stainless steel protective layer not only protects the insulation material and extends the service life of the insulation layer 53, but also makes the equipment look cleaner and more aesthetically pleasing.
[0027] An agitator shaft 41 is installed inside the tank body 11. Located at the center of the tank body 11, the agitator shaft 41 is made of high-strength alloy steel with a precision-machined and treated surface, exhibiting excellent wear resistance and corrosion resistance. The upper end of the agitator shaft 41 extends out from the top of the mixing tank via a sealing device and is fixedly connected to the output shaft of the first motor 44 via a coupling. The first motor 44 is a three-phase asynchronous motor, its power being rationally selected according to the size of the tank body 11 and the mixing requirements. It provides stable and sufficient power to the agitator shaft 41, ensuring stable rotation and thus providing a reliable power foundation for the mixing operation, guaranteeing the uniformity of mixing. Furthermore, the high-quality materials and meticulous processing technology extend the service life of the equipment.
[0028] A stirring assembly is mounted on the stirring shaft 41, comprising a first stirring paddle 42 and a second stirring paddle 43. These paddles are symmetrically fixed to the stirring shaft 41, and their planes intersect, with an included angle generally between 30° and 90°. The first stirring paddle 42 consists of two first blades arranged in a circular array, and the second stirring paddle 43 also consists of a second blade arranged in a circular array. The distances from the ends of the first and second blades away from the stirring shaft 41 to the axis of the stirring shaft 41 are unequal, meaning their opening and closing angles are different. When the stirring shaft 41 rotates under the drive of the first motor 44, the first stirring paddle 42 and the second stirring paddle 43 rotate simultaneously. Due to their symmetrical and intersecting planes, they create opposing water flows in the mixture. These water flows collide with each other, generating a strong turbulent effect, which greatly accelerates the mixing speed of the chili paste and the brine. The difference in the opening angle of the first and second blades results in different vortex flow speeds generated when the two agitators rotate, which further enhances the interaction between the chili particles and the salt water in the liquid. This allows the effective substances in the chili particles to dissolve more quickly and fully in the salt water, improving the uniformity and effectiveness of the agitation.
[0029] The tank 11 is connected to an inlet pipe 2 for introducing brine, and an inlet pipe 3 is also connected to the tank 11. A storage tank 51 is connected to the end of the inlet pipe 3 furthest from the tank 11. In actual operation, to improve the dissolution of effective substances in the chili extract, both the chili extract and the brine need to be maintained at approximately 50°C. Therefore, the storage tank 51 is required to heat and insulate the chili extract. The storage tank 51 has a double-layer design: the inner layer is made of stainless steel, which is corrosion-resistant and prevents the chili extract from corroding the tank; the outer layer is an insulation layer 53, which is made of polyurethane foam insulation material, effectively reducing heat loss. A second heating wire 12 made of nickel-chromium alloy is evenly wound between the inner and outer layers of the tank. The heating wire is connected to a temperature control system, which can automatically adjust the heating power according to the set temperature, ensuring that the chili extract in the tank is always maintained within a suitable temperature range, meeting the temperature requirements of the chili oil resin preparation process and improving the washing efficiency of effective substances.
[0030] The storage bin 51 has a discharge port at its bottom, and a discharge pipe 54 is installed at the discharge port. The discharge pipe 54 is connected to the feed pipe 3 via a flange. A stainless steel transmission rod 61 is installed inside the bin, with its upper end extending out of the bin through a sealing device and fixedly connected to the output shaft of the second motor 63 (a speed-regulating motor) via a coupling. A stainless steel spiral blade 62 is fixed to the lower outer circumference of the spiral blade 62, and the outer edge of the spiral blade 62 slides in contact with the inner wall of the discharge pipe 54 to form a sealed conveying channel. The feed pipe 3 is made of stainless steel, with a pipe diameter matching that of the discharge pipe 54, and is equipped with a valve to control the feeding speed and flow rate. When the second motor 63 rotates, the spiral feeder formed by the spiral blade 62 and the discharge pipe 54 can realize the controllable conveying of chili extract. The operator can precisely control the feeding speed and flow rate by adjusting the speed of the second motor 63, avoiding waste and blockage of chili extract, and improving production efficiency and equipment reliability.
[0031] The chili oil resin extraction mixing tank needs to be used with a frame. The first motor 44 and the storage box 51 are both fixed to the frame, and the tank body 11 is located below the storage box 51. The chili peppers were originally transported downward by the rotation of the spiral blades 62 and gravity.
[0032] During operation, the heating wires on the storage tank 51 and the tank 11 are first activated. Then, chili extract is placed into the storage tank 51, followed by the addition of brine to the tank 11 in a specific ratio. Next, the first motor 44 is activated, driving the stirring shaft 41 and the stirring assembly to rotate. Then, the second motor 63 is activated, and the chili extract from the storage tank 51 is conveyed to the tank 11 through the feed pipe 3 via a screw feeder. The stirring assembly stirs the chili extract and brine in the tank 11 to ensure thorough mixing. During this process, the insulation layer 53 maintains a stable temperature for the mixture. After stirring is complete, the discharge valve at the bottom of the tank 11 is opened to discharge the mixture for subsequent chili oil resin extraction.
[0033] In summary, this chili oleoresin extraction mixing tank, through the coordinated operation of its various components, can effectively achieve the mixing and stirring of chili extract and brine, ensure the temperature requirements during the mixing process, promote the washing out of effective substances in chili peppers, and improve the efficiency and quality of chili oleoresin extraction.
[0034] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. The purpose of selecting and describing exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art, after reading this specification, can make modifications, substitutions, variations, and various choices and changes to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, variations, and choices and changes are within the scope of the claims of the present invention and are protected by patent law.
Claims
1. A chili oleoresin extraction stirring tank, comprising a tank body, a stirring shaft is arranged inside the tank body, the upper end of the stirring shaft extends out of the stirring tank and is fixed with a first motor; a stirring assembly is fixed on the stirring shaft; characterized in that, The feeding pipe is communicated with the tank body, and a storage box for storing raw pepper paste is communicated with the end of the feeding pipe away from the tank body, and a heating device is arranged on the storage box.
2. The capsaicin extract mixing tank according to claim 1, wherein The stirring assembly comprises a first stirring paddle and a second stirring paddle fixed on the stirring shaft, the first stirring paddle comprises a plurality of first vanes fixed on the stirring shaft and arranged in a circumferential array, the second stirring paddle comprises a plurality of second vanes fixed on the stirring shaft and arranged in a circumferential array, and the distance from the end of the first vane and the second vane away from the stirring shaft to the center line of the stirring shaft is not equal.
3. The capsaicin extract mixing tank according to claim 2, wherein The first vane and the second vane are not located in the same plane in the vertical direction.
4. The capsaicin extract mixing tank according to claim 2, wherein The inclination directions of the first vane and the second vane are opposite.
5. The capsaicin extract mixing tank according to claim 1, wherein The storage box comprises a box body, the heating device is a heating wire, and the heating wire is arranged outside the box body.
6. The capsaicin extract mixing tank according to claim 5, wherein A discharge port is arranged at the bottom of the storage box, the feeding device comprises a discharge pipe arranged outside the storage box and communicated with the discharge port, the discharge pipe is communicated with the feeding pipe, a transmission rod is arranged inside the box body, the upper end of the transmission rod extends out of the box body and is fixed with a second motor, the outer periphery of the lower end of the transmission rod is fixed with a spiral vane, the spiral vane extends into the discharge pipe, and the outer edge of the spiral vane is in sliding contact with the discharge pipe.
7. The capsaicin extract mixing tank according to claim 6, wherein The outer surface of the tank body is covered with a heat preservation layer.
Citation Information
Patent Citations
Capsaicin extraction and separation device
CN217567522U