Reflux extraction device

Abstract

The utility model belongs to the technical field of extract preparation, and particularly relates to a reflux extraction device which comprises a reaction kettle, a condenser, an emptying tank, a liquid collecting tank and a reflux pipe, the reaction kettle comprises a heat exchange sleeve, a feeding port, a discharging pipe, a support, a stirring assembly, a motor and a reflux port, the stirring assembly comprises a rotating rod, a first stirring piece and a second stirring piece, and the rotating rod is connected with the condenser. The first stirring part comprises a first cross rod, a limiting nut and a rotary drum, the second stirring part comprises a second cross rod and blades, and the condenser comprises a condenser inlet, a condenser outlet, a condensate inlet and a condensate outlet; the device is simple in structure, convenient to operate, wide in application range and capable of meeting the extraction requirements of various types of plants, effective components in the plants are fully extracted through repeated rolling of plant materials, and the reaction time is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of extract preparation, and in particular relates to a reflux extraction device. Background Art

[0002] Traditional methods for extracting cucurbitacin include boiling, immersion, reflux, solvent extraction, distillation and sublimation. The reflux extraction method is a technical solution that technicians give priority to because of its simple equipment and operation and the refluxing solvent can be reused. However, the plant tubers are large and the active ingredients in them cannot be effectively extracted. In addition, the extraction time is long, and it is easy for the organic solvent to react with the active ingredients, causing them to lose their original effectiveness. Therefore, it is urgent to design a new reflux extraction device to solve the above problems. Utility Model Content

[0003] The utility model provides a reflux extraction device, comprising a reaction kettle, a condenser, a venting tank, a liquid collecting tank and a reflux pipe, wherein the reaction kettle comprises a heat exchange jacket, a feed port, a discharge pipe, a bracket, a stirring assembly, a motor and a reflux port:

[0004] The heat exchange jacket is provided with a medium inlet and a medium outlet, and the heat exchange jacket is sleeved on the outer side wall of the reactor; the heat exchange jacket is used to heat the solution in the reactor.

[0005] The feed port is arranged on one side of the top of the reactor, and a blind plate is arranged on the feed port, and the blind plate is detachably connected to the feed port; the blind plate and the feed port can be connected with flange bolts, and the feed port is used to put plant fragments and extraction solvents, and the blind plate is used to seal the feed port so that when the reactor is heated for extraction, the steam generated will not escape from the feed port.

[0006] The discharge pipe is arranged on the other side of the top of the reactor, and the discharge pipe is fixedly connected to the reactor; the discharge pipe is used to guide the generated steam to the condenser.

[0007] At least three brackets are provided, and the brackets are evenly distributed on the bottom edge of the reactor, and the brackets are used to stably support the reactor.

[0008] The motor is fixedly installed at the bottom center of the reactor. The motor is provided with an output shaft, which penetrates into the inner cavity of the reactor and rotates and is sealed with the reactor. A seal is arranged between the output shaft and the reactor to prevent the material in the reactor from leaking out.

[0009] The stirring assembly includes a rotating rod, a first stirring member and a second stirring member. The bottom end of the rotating rod is fixedly connected to the top end of the output shaft. The first stirring member includes a first cross bar, a limiting nut and a rotating drum. The first cross bar is perpendicular to and fixedly connected to the lower part of the rotating rod. The rotating drum is arranged at both ends of the first cross bar and is rotatably connected to the first cross bar. The limiting nut is threadedly connected to the first cross bar and is correspondingly arranged at both ends of the rotating drum. The second stirring member includes a second cross bar and blades. The second cross bar is perpendicular to the rotating rod and the first cross bar and is fixedly connected to the rotating rod. The blades are rake-shaped, fixedly connected to the second cross bar, and are arranged parallel to the rotating rod. The first stirring design is that when the rotating drum is used for reactor extraction, the material in the reactor is crushed and crushed. The second stirring is used to turn over the flattened plant material so that all surfaces of the material are evenly contacted with the extraction solvent.

[0010] The condenser comprises a condenser inlet, a condenser outlet, a condensate inlet and a condensate outlet. The condenser inlet is connected to the discharge pipe through a pipeline 1. After the steam enters the condenser, it is cooled into liquid.

[0011] The vent tank includes a tank body, a vent feed port, a vent discharge port, and a vent pipe; the vent feed port is connected to the condenser outlet through pipeline 2, the vent pipe is provided with a vent valve, the vent discharge port is connected to a three-way joint through pipeline 3, and is connected to the first joint of the three-way joint; the vent tank is used to discharge the steam gas that has not been cooled in the pipeline to prevent the air pressure in the pipeline from increasing and damaging the device.

[0012] The liquid collecting tank is provided with a liquid collecting feed pipe, the liquid collecting feed pipe is connected to the second joint of the three-way joint, and the liquid collecting feed pipe is provided with a feed valve; the condensed liquid can be collected by opening the feed valve.

[0013] The reflux pipe is connected to the third joint of the three-way joint and the reflux port, and a reflux valve is provided on the reflux pipe; closing the feed valve and opening the reflux valve can allow the condensed liquid to enter the reactor again for extraction.

[0014] Furthermore, the drum is a solid drum or a hollow drum, and the outer side of the hollow drum is evenly distributed with filter holes; the filter holes are used to discharge the solution in the hollow drum.

[0015] Furthermore, the rotating rod is rotatably connected to the top center of the reactor to enhance stirring.

[0016] The utility model also includes other devices or components that enable the reflux extraction device to be used normally, which are all conventional technical means in this field. In addition, the pipelines or valves not limited in the utility model all adopt conventional technical means in this field.

[0017] The working principle of the utility model is that the plants to be extracted are roughly crushed and put into a reactor, an extracting solution is added, and the reactor is heated so that the cucurbitacin in the plants can be dissolved in the extracting solution at high temperature, stirring is turned on, the plants are squeezed and crushed by a rotating drum, the plants are turned up by rake-like blades and re-mixed evenly, and the steps of crushing and turning up and mixing are repeated so that the inside and outside of the materials are evenly contacted with the extracting solution to achieve a good extraction effect; the vent tank is used to discharge the steam gas that has not been cooled in the pipeline to prevent the air pressure in the pipeline from increasing and then damaging the device.

[0018] The beneficial effects of the utility model are that the device has a simple structure, is easy to operate, has a wide range of adaptability, can be applied to various types of plant extraction needs, and the repeated crushing of plant materials allows the effective ingredients in the plants to be fully extracted, saving reaction time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a structural schematic diagram of a reaction kettle in the utility model. DETAILED DESCRIPTION

[0022] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0023] Example

[0024] like Figures 1-2 As shown, the utility model provides a reflux extraction device, including a reactor 1, a condenser 2, a venting tank 3, a liquid collecting tank 4 and a reflux pipe 5, wherein the reactor 1 includes a heat exchange jacket 6, a feed port 7, a discharge pipe 8, a bracket 9, a stirring assembly, a motor 10 and a reflux port 11:

[0025] The heat exchange jacket 6 is provided with a medium inlet 12 and a medium outlet 13 , and the heat exchange jacket 6 is sleeved on the outer wall of the reactor 1 ; the heat exchange jacket 6 is used to heat the solution in the reactor 1 .

[0026] The feed port 7 is arranged on one side of the top of the reactor 1, and a blind plate 14 is arranged on the feed port 7, and the blind plate 14 is detachably connected to the feed port 7; in this embodiment, the blind plate 14 is connected to the feed port 7 with flange bolts, and the feed port 7 is used to put plant fragments and extraction solvent, and the blind plate 14 is used to seal the feed port 7, so that when the reactor 1 is heated for extraction, the steam generated will not escape from the feed port 1.

[0027] The discharge pipe 8 is arranged on the other side of the top of the reaction kettle 1 ; the discharge pipe 8 is used to guide the generated steam to the condenser 2 .

[0028] At least three brackets 9 are provided, and the brackets 9 are evenly distributed on the bottom edge of the reaction kettle 1 , and the brackets 9 are used to stably support the reaction kettle 1 .

[0029] The motor 10 is fixedly installed at the bottom center of the reactor 1 . The motor 10 is provided with an output shaft 27 . The output shaft 27 penetrates into the inner cavity of the reactor 1 and is rotatably and sealedly connected to the reactor 1 .

[0030] The stirring assembly includes a rotating rod 28, a first stirring member and a second stirring member. The bottom end of the rotating rod 28 is fixedly connected to the top end of the output shaft 27. The first stirring member includes a first cross bar 29, a limiting nut 30 and a rotating drum 31. The first cross bar 29 is perpendicular to and fixedly connected to the lower part of the rotating rod 28. The rotating drum 31 is arranged at both ends of the first cross bar 29 and is rotatably connected to the first cross bar 29. The limiting nut 30 is threadedly connected to the first cross bar 29 and is correspondingly arranged at both ends of the rotating drum 31. The second stirring member includes a second cross bar 32 and blades 33. The second cross bar 32 is perpendicular to the rotating rod 28 and the first cross bar 29 and is fixedly connected to the rotating rod 28. The blades 33 are rake-shaped. The blades 33 are fixedly connected to the second cross bar 32 and are arranged parallel to the rotating rod 28. The design of the first stirring member is that when the rotating drum is used for reactor extraction, the material in the reactor is crushed and crushed. The second stirring member is used to turn over the flattened plant material so that all surfaces of the material are evenly contacted with the extraction solvent.

[0031] The condenser 2 includes a condenser inlet 15, a condenser outlet 16, a condensate inlet 17 and a condensate outlet 18. The condenser inlet 15 is connected to the discharge pipe 8 through a pipeline 1. After the steam enters the condenser 2, it is cooled into liquid.

[0032] The vent tank 3 includes a tank body, a vent feed port 19, a vent discharge port 20, and a vent pipe 21; the vent feed port 19 is connected to the outlet of the condenser 2 through a pipeline 2, the vent pipe 21 is provided with a vent valve 22, the vent discharge port 20 is connected to a three-way joint 23 through a pipeline 3, and is connected to the first joint of the three-way joint 23; the vent tank 3 is used to discharge the steam gas that has not been cooled in the pipeline to prevent the air pressure in the pipeline from increasing and damaging the device.

[0033] The liquid collecting tank 4 is provided with a liquid collecting feed pipe 24, which is connected to the second joint of the three-way joint 23, and the liquid collecting feed pipe 24 is provided with a feed valve 25; the condensed liquid can be collected by opening the feed valve 25.

[0034] The reflux pipe 5 is connected to the third joint of the three-way joint 23 and the reflux port 11, and a reflux valve 26 is provided on the reflux pipe 5; closing the feed valve 25 and opening the reflux valve 26 can allow the condensed liquid to enter the reactor 1 again for extraction.

[0035] Furthermore, in this embodiment, the drum 31 is a solid drum.

[0036] Furthermore, the rotating rod 28 is rotatably connected to the top center of the reactor 1 to enhance stirring.

[0037] The working principle of the utility model is that the plant to be extracted is roughly crushed and put into the reactor 1, an extracting solution is added, and the reactor 1 is heated so that the cucurbitacin in the plant can be dissolved in the extracting solution at high temperature, stirring is turned on, and the plant is squeezed and crushed by a rotating drum 31, and the plant is turned up and mixed evenly by rake-like blades 33, and the steps of crushing and turning up and mixing are repeated so that the material is evenly in contact with the extracting solution to achieve a good extraction effect; the vent tank 3 is used to discharge the steam gas that has not been cooled in the pipeline to prevent the air pressure in the pipeline from increasing and damaging the device.

[0038] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A reflux extraction device, comprising a reaction kettle, characterized in that: Also includes condenser, blowdown tank, liquid collection tank and return line: The reactor comprises a heat exchange sleeve, a feed port, a discharge pipe, a bracket, a stirring assembly, a motor and a reflux port. The heat exchange sleeve is provided with a medium inlet and a medium outlet, and the heat exchange sleeve is sleeved on the outer side wall of the reactor; the feed port is arranged on one side of the top of the reactor, and a blind plate is arranged on the feed port, and the blind plate is detachably connected to the feed port; the discharge pipe is arranged on the other side of the top of the reactor, and the discharge pipe is fixedly connected to the reactor; at least three brackets are arranged, and the brackets are evenly distributed at the bottom edge of the reactor, the motor is fixedly installed at the bottom center of the reactor, and the motor is provided with an output shaft, and the output shaft penetrates into the inner cavity of the reactor and is rotatably and sealedly connected to the reactor; The stirring assembly comprises a rotating rod, a first stirring member and a second stirring member, the bottom end of the rotating rod is fixedly connected to the top end of the output shaft, the first stirring member comprises a first cross bar, a limiting nut and a rotating drum, the first cross bar is perpendicular to and fixedly connected to the lower part of the rotating rod, the rotating drum is arranged at both ends of the first cross bar and is rotatably connected to the first cross bar, the limiting nut is threadedly connected to the first cross bar and is correspondingly arranged at both ends of the rotating drum, the second stirring member comprises a second cross bar and a blade, the second cross bar is perpendicular to the rotating rod and the first cross bar, and is fixedly connected to the rotating rod, the blade is rake-shaped, the blade is fixedly connected to the second cross bar, and is arranged parallel to the rotating rod; The condenser comprises a condenser inlet, a condenser outlet, a condensate inlet and a condensate outlet, and the condenser inlet is connected to the discharge pipe through a pipeline 1; The vent tank comprises a tank body, a vent feed port, a vent discharge port, and a vent pipe; the vent feed port is connected to the condenser outlet through a second pipe, the vent pipe is provided with a vent valve, and the vent discharge port is connected to a three-way joint through a third pipe, and is connected to a first joint of the three-way joint; The liquid collecting tank is provided with a liquid collecting feed pipe, the liquid collecting feed pipe is connected to the second joint of the three-way joint, and the liquid collecting feed pipe is provided with a feed valve; The reflux pipe is connected to the third joint of the three-way joint and the reflux port, and the reflux pipe is provided with a reflux valve.

2. A reflux extraction device according to claim 1, characterized in that: The drum is a solid drum or a hollow drum, and the outer side of the hollow drum is evenly distributed with filter holes.

3. A reflux extraction device according to claim 1, characterized in that: The rotating rod is rotatably connected to the top center of the reactor.

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