CN218636673U - Extraction kettle capable of automatically monitoring concentration of ethanol solvent in thermal extraction process - Google Patents

Abstract

The utility model relates to a heat extraction process ethanol solvent concentration automatic monitoring draw cauldron, include solid-liquid separation extraction element and set up in solid feed inlet, liquid feed inlet, ethanol feed inlet and discharge gate of solid-liquid separation extraction element still include ethanol concentration controller and ethanol concentration detector, the detection head of ethanol concentration detector probes into the inside setting of solid-liquid separation extraction element, ethanol concentration controller with signal connection between the ethanol concentration detector. The extraction kettle has a simple and ingenious structure, can realize the accurate monitoring and control of the concentration of the ethanol solvent in the thermal extraction process, improves the stability and uniformity of extracts in different extraction batches, ensures the stability and efficacy of active ingredients, and is favorable for the popularization and application of the extraction kettle in the technical field of extraction equipment, wherein the concentration of the ethanol solvent is automatically monitored in the thermal extraction process.

Description

Extraction kettle capable of automatically monitoring concentration of ethanol solvent in thermal extraction process

Technical Field

The utility model relates to an extract equipment technical field, specifically be a heat extraction process ethanol solvent concentration automatic monitoring's extraction cauldron.

Background

The animal, plant and microorganism contain various bioactive components, such as alkaloid, flavone, terpenoid and organic acid, have the effects of resisting oxidation, enhancing immunity, resisting aging, reducing blood sugar and the like, and can effectively help the organism to prevent various diseases such as cancer, inflammation and the like. At present, these active ingredients have been developed and utilized and widely applied to functional foods, health foods and medicines.

The extraction of these components from animals, plants and microorganisms is mostly carried out by dissolving the active components from the tissues with a suitable solvent under heating. From the actual production of factories, ethanol is a common extraction solvent except water, and has the advantages of high extraction efficiency, good safety and the like. Different active substances have suitable ethanol extraction concentration. The content of active ingredients in animals, plants and microorganisms is very low, and if the concentration of ethanol is improperly controlled in the extraction process, the active ingredients are incompletely extracted or even can not be extracted, so that the content and the value of the active ingredients of the products are seriously influenced.

In order to extract the active ingredients from animals, plants and microorganisms, chinese utility model with patent publication No. CN215924907U discloses a plant extraction reaction kettle, which mainly comprises an inner tank, a jacket, a stirring device, a supporting seat and a heating plate. Through the plant raw materials after will smashing and add the inside that the enzyme passes through the inlet pipe leading-in cauldron body, closed valve, the hot plate risees the temperature of the internal portion of cauldron, the motor drives the auger rotatory, plant raw materials transportation top that will be located the internal portion below center department of cauldron, make plant raw materials and add enzyme intensive mixing, and make plant raw materials be heated evenly, plant raw materials and the mixed steam that adds the enzyme and be heated the back and produce pass through among the leading-in condensing equipment of drainage tube, after the processing is accomplished, open the solenoid valve, the motor drives the auger and rotates, pass through the discharging pipe with the waste material of the internal portion of cauldron and discharge fast, and the processing efficiency is improved.

Chinese patent application No. CN201110026747.0 discloses an improved thermal reflux extraction concentration device, which at least comprises a concentration tank, an extraction tank, a pump body and a circulation pipeline connecting the concentration tank, the extraction tank and the pump body, and mainly makes full use of the heat energy of a cylinder above a liquid level, effectively increases an evaporation surface, and has the advantages of improving the concentration efficiency, ensuring the uniform quality of a concentrated solution, shortening the concentration time, reducing the concentration energy consumption, enhancing the defoaming capability of the concentration process, thoroughly solving the problem of coking of a cylinder wall and the like.

Chinese utility model patent with patent application number cn202022464387.X discloses a concentrated unit is drawed in multi-functional backward flow of automatic control formula, including steam device, extraction tank, deposit fluid reservoir, condenser, cooler, vacuum machine and governing valve. The device has the advantages of high automation degree, various pressure states and accurate judgment of the temperature and the pressure.

The existing equipment focuses on the aspects of saving extraction solvent, saving extraction time, reducing extraction energy consumption and the like, and the whole process does not refer to automatic addition of the solvent in the extraction process.

Chinese patent publication No. CN105435486A discloses a method for controlling the stability of the concentration of an extraction solvent in a thermal reflux extraction process, which calculates the concentration of a condensate by drawing a concentration-density curve of an aqueous solution of the extraction solvent, thereby correcting the concentration of the extraction solvent. Wherein the density and total flow of the condensate are detected by a densitometer and a flow meter. However, this invention also does not achieve automated addition of solvent during extraction.

The existing heat extraction equipment changes the concentration of an extraction solvent in an extraction tank due to the evaporation effect to change the extraction process parameters, so that the extraction rate of an extract is low, the quality is unstable, and the obtained extract does not meet the production process requirements of functional foods, health-care products and medicines. Therefore, it is necessary to develop an extraction kettle capable of automatically monitoring the concentration of ethanol.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the above-mentioned prior art, the utility model aims to provide a cauldron that draws of automatic control of heat extraction process ethanol solvent concentration, this cauldron that draws simple structure is ingenious, can realize the accurate monitoring and the control to ethanol solvent concentration at the heat extraction in-process, with this stability and the homogeneity that improves different extraction batch inter-extraction material, guarantee the stability and the efficiency of active ingredient, be favorable to the above-mentioned cauldron that draws that automatic control of heat extraction process ethanol solvent concentration draws in equipment technical field's popularization and application.

In order to realize the above-mentioned utility model purpose, the utility model adopts the following technical scheme that a heat extraction process ethanol solvent concentration automatic monitoring draws cauldron, include solid-liquid separation extraction element and set up in solid feed inlet, liquid feed inlet, ethanol feed inlet and discharge gate of solid-liquid separation extraction element still include ethanol concentration controller and ethanol concentration detector, the detection head of ethanol concentration detector probes into the inside setting of solid-liquid separation extraction element, ethanol concentration controller with signal connection between the ethanol concentration detector.

As an optimized scheme of the utility model, the liquid feed inlet is equipped with first valve, the ethanol concentration controller is connected first valve and control opening and close of first valve.

As an optimized scheme of the utility model, the ethanol feed inlet is equipped with the second valve, ethanol concentration controller connects the second valve is controlled opening and close of second valve.

As an optimized scheme of the utility model, solid-liquid separation extraction element includes barrel, outer cover, tube screen, inner tube, low head, stirring rake and is used for the drive the actuating mechanism of stirring rake stirring, the outer cover is located the barrel top, the low head is located the barrel bottom, the tube screen is located the barrel with between the inner tube, the stirring rake install in the inner tube, actuating mechanism's output is connected with the output shaft, the stirring rake install in the output shaft, actuating mechanism with electric connection between the ethanol concentration controller.

As a preferred scheme of the utility model, the stirring rake is a plurality of.

As a preferred scheme of the utility model, the solid feed inlet is seted up in the outer cover, the liquid feed inlet with the ethanol feed inlet is all seted up in the barrel, the ethanol feed inlet is located liquid feed inlet below sets up, ethanol concentration controller is located ethanol feed inlet below.

As an optimal scheme of the utility model, the ethanol concentration detector is close to barrel left side middle part sets up.

As an optimized proposal of the utility model, the cylinder body is externally provided with a jacket heating layer.

As a preferable scheme of the present invention, the outer cylinder cover is provided with a visual mirror.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a heat draws cauldron of drawing of process ethanol solvent concentration automatic monitoring, through setting up ethanol concentration controller and ethanol concentration detector, ethanol concentration detector is with signal transmission to ethanol concentration controller, when the actual ethanol concentration that detects is less than or is higher than ethanol concentration controller's setting value, ethanol concentration controller realizes the feedback control of signal, add ethanol or water from the feed inlet of high concentration ethanol or the liquid feed inlet that supplies water, with the realization to the accurate monitoring and the control of ethanol solvent concentration in the heat extraction process, with this stability and the homogeneity that improves different extraction batch inter-extraction extracts, guarantee the stability and the efficiency of active matter composition, be favorable to the popularization and the application of the cauldron of drawing of above-mentioned heat extraction process ethanol solvent concentration automatic monitoring in extraction equipment technical field.

Further, the utility model discloses an inside arranging solid starting material in the drum sieve, when emitting the extractant, solid starting material is kept apart by the drum sieve, stays in the inner tube to realize the quickly separating of solid-liquid through setting up the stirring rake, improve extraction rate.

Drawings

FIG. 1 is a schematic diagram of an extraction vessel with automatic monitoring of ethanol solvent concentration in a thermal extraction process according to an embodiment of the present invention.

Reference numerals: 1. a solids feed port; 2. a liquid feed port; 3. an ethanol feed port; 4. an ethanol concentration controller; 5. an ethanol concentration detector; 6. a first valve; 7. a jacket heating layer; 8. a discharge port; 9. a second valve; 10. a drive mechanism; 11. a visible mirror; 12. an outer cylinder cover; 13. an inner barrel; 14. an output shaft; 15. a stirring paddle; 16. screening by a drum screen; 17. a cylinder body.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Example (b): as shown in figure 1, the extraction kettle capable of automatically monitoring the concentration of the ethanol solvent in the thermal extraction process comprises a solid-liquid separation extraction device, a solid feeding hole 1, a liquid feeding hole 2, an ethanol feeding hole 3 and a discharging hole 8, wherein the solid feeding hole 1, the liquid feeding hole 2, the ethanol feeding hole 3 and the discharging hole are formed in the solid-liquid separation extraction device, the liquid feeding hole is provided with a first valve 6, the ethanol feeding hole is provided with a second valve 9, the extraction kettle further comprises an ethanol concentration controller 4 and an ethanol concentration detector 5, a detection head of the ethanol concentration detector 5 extends into the solid-liquid separation extraction device, and the ethanol concentration controller 4 is in signal connection with the ethanol concentration detector 5. The ethanol concentration controller 4 is connected to the first valve 6, the second valve 9, and the driving mechanism 10, respectively, and the ethanol concentration controller 4 controls the first valve 6 and the second valve 9 to open or close. According to the extraction kettle, the ethanol concentration controller 4 and the ethanol concentration detector 5 are arranged, the ethanol concentration detector 5 transmits signals to the ethanol concentration controller 4, when the detected actual ethanol concentration is lower than or higher than the set value of the ethanol concentration controller 4, the ethanol concentration controller 4 realizes feedback adjustment of the signals, the signals are fed back to the second valve 9 or the first valve 6, ethanol or water is added from the ethanol feeding hole 3 of high-concentration ethanol or the liquid feeding hole 2 of water supply, so that the concentration of an ethanol solvent is accurately monitored and controlled in the thermal extraction process, the stability and the uniformity of extracts in different extraction batches are improved, the stability and the efficacy of active ingredients are ensured, and the popularization and the application of the extraction kettle capable of automatically monitoring the concentration of the ethanol solvent in the thermal extraction process in the technical field of extraction equipment are facilitated.

In order to realize the separation effect of the solid-liquid separation and extraction device, the solid-liquid separation and extraction device comprises a cylinder body 17, an outer cylinder cover 12, a cylinder screen 16, an inner cylinder 13 and a lower end enclosure 18, wherein the outer cylinder cover 12 is detachably arranged at the top of the cylinder body 17, the lower end enclosure 18 is detachably arranged at the bottom of the cylinder body 17, and sealing elements are arranged at the joints of the outer cylinder cover 12 and the cylinder body 17 and the joints of the lower end enclosure 18 and the cylinder body 17 so as to ensure the sealing performance of the joints and reduce the probability of ethanol volatilization. The screen 16 is installed between the cylinder 17 and the inner cylinder 13 to separate solid from liquid. In order to increase the speed of solid-liquid separation, the device is also provided with a stirring mechanism, and the arrangement of the stirring mechanism can ensure that the ethanol is fully contacted with the substance to be treated so as to improve the extraction efficiency of the extraction kettle. The stirring mechanism comprises a stirring paddle 15 and a driving mechanism 10 for driving the stirring paddle 15 to stir, and the driving mechanism 10 is a driving motor with high stability. The paddle 15 is installed in the inner cylinder 13, an output shaft 14 is connected to an output end of the driving mechanism 10, and the paddle 15 is installed on the output shaft 14. In order to further improve the stirring efficiency, the stirring paddles 15 are provided in plurality, and the plurality of stirring paddles 15 may be equidistantly distributed along the axial direction of the output shaft 14 to achieve sufficient stirring.

In order to facilitate feeding, the solid feed port 1 is arranged on the outer cylinder cover 12 and is directly fed into the inner cylinder 13, namely the solid feed port 1 is arranged on the outer cylinder cover 12 above the inner cylinder 13; or a solid feeding pipeline is connected inside the solid feeding hole 1 and is connected into the inner barrel 13 in a butt joint mode, and solid materials are put in. In order to facilitate the addition of water or high-concentration ethanol, the liquid feed port 2 and the ethanol feed port 3 are both provided in the cylinder 17, and specifically, may be provided at the upper left of the cylinder 17 as shown in fig. 1. Above-mentioned ethanol feed inlet 3 is located the setting of above-mentioned liquid feed inlet 2 below, and above-mentioned ethanol concentration controller 4 is located above-mentioned ethanol feed inlet 3 below. The ethanol concentration detector 5 is arranged near the middle of the left side of the cylinder 17.

In order to observe the internal condition of the extraction kettle, the outer cylinder cover 12 is provided with a visual mirror 11.

In this embodiment, an extraction kettle for automatically monitoring the concentration of an ethanol solvent in a thermal extraction process specifically includes:

the ergothioneine in the pleurotus citrinopileatus is extracted by using the improved extraction kettle, and as can be seen from table 1, through the improvement of equipment, the extraction rates of total solid, soluble protein and soluble polysaccharide are not changed greatly, and the extraction rate of the ergothioneine is obviously improved by more than 10%.

The detection method of each index comprises the following steps:

(1) Determination of Total soluble solid content

Opening the cover plate of the handheld refractometer, wiping water with gauze or paper roll, dripping 2 drops of extracting solution on the glass surface of the prism, covering the cover plate, observing, and reading the scale on the light and dark boundary line in the visual field to obtain the soluble solid content (%) in the extracting solution.

(2) Determination of ergothioneine content

And performing liquid phase analysis on the extracting solution, and determining the content of ergothioneine. The liquid phase chromatographic conditions are as follows: the type of the chromatographic column is a HILIC-Z chromatographic column (2.6 multiplied by 250mm,4 mu m), the mobile phase is 80% acetonitrile water solution of 0.1% formic acid, and the flow rate is 1mL/min.

(3) Determination of soluble protein content

Drawing a standard curve: taking 6 test tubes, respectively adding 1.0mL of standard protein solution with the concentration of 0, 0.1, 0.2, 0.3, 0.4 and 0.5mg/mL, then adding 5mL of Coomassie brilliant blue reagent, shaking and uniformly mixing, measuring the light absorption value at 595nm after water bath at 30 ℃ for 10min, and drawing a standard curve by taking the protein concentration as an abscissa and the light absorption value as an ordinate.

And (3) sample determination: 1.0mL of the extract was placed in a test tube, 5mL of Coomassie Brilliant blue reagent was added and shaken well, and then subjected to water bath at 30 ℃ for 10min, and the OD value was measured at 595 nm. And substituting the standard curve to calculate the content of the soluble protein.

(4) Determination of soluble polysaccharide content

Drawing a standard curve: accurately weighing 10mg of standard glucan (or glucose) in a 250mL volumetric flask, adding water to the scale, respectively sucking 0.2 mL, 0.3 mL, 0.4 mL, 0.5 mL, 0.6 mL, 0.7 mL, 0.8 mL and 0.9mL, respectively supplementing distilled water to 1.0mL, then adding 1mL of 5% phenol and 5.0mL of concentrated sulfuric acid, shaking up and cooling, standing at room temperature for 20min, measuring optical density at 490nm, using 1.0mL of water as a blank according to the same color development operation, taking the abscissa as the microgram number of the polysaccharide and the ordinate as the optical density value, and obtaining a standard curve.

And (3) sample determination: 1.0mL of the extract was put in a test tube, and 5% phenol 1mL and concentrated sulfuric acid 5.0mL were added, followed by shaking and cooling, standing at room temperature for 20min and measuring optical density at 490 nm. And substituting the standard curve to calculate the content of the soluble polysaccharide.

And (3) calculating the extraction rate: content of each extract/content of the substance in Pleurotus citrinopileatus.

Compared with the common extraction kettle, the extraction kettle is additionally provided with a liquid feed port 2, an ethanol feed port 3, an ethanol controller 4 and an ethanol concentration detector 5. After improvement, the extraction kettle can automatically and well work under the unsupervised condition, and the concentration of the extracting agent is automatically monitored and maintained. The user only needs to put in raw materials and set relevant parameters of the extraction solution. This draw cauldron equipment when improving the extraction rate, the human cost when having saved production more accords with automated production's theory.

Table 2 shows the extraction rate of ergothioneine in the fruiting body of Pleurotus citrinopileatus Sing, which is 66.36%.

Taking 50kg of Pleurotus citrinopileatus Sing fruiting body as raw material, adding into the extraction kettle, setting ethanol solution concentration at 50%, heating and reflux extracting for 2 hr, extracting twice continuously, and determining each component extraction rate. As can be seen from Table 3, the ergothioneine in the fruiting body of Pleurotus citrinopileatus was extracted with the apparatus at an extraction rate of 67.17%, and the practicability of the apparatus was further verified.

100kg of Pleurotus citrinopileatus Sing fruiting body is used as raw material, put into the extraction kettle, set the concentration of ethanol solution to be 50%, heated and refluxed for extraction for 2h, extracted twice continuously, and the extraction rate of each component is measured. As can be seen from Table 4, the ergothioneine in the pleurotus citrinopileatus sporocarp is extracted by using the equipment, the extraction rate is 67.96%, and the practicability of the equipment is further verified.

100kg of Pleurotus citrinopileatus Sing fruiting body is used as raw material, put into the extraction kettle, set the concentration of ethanol solution to be 50%, heated and refluxed for extraction for 2h, and extracted for multiple times continuously, and the extraction rate of each component is measured. As can be seen from Table 5, the ergothioneine in the fruiting body of Pleurotus citrinopileatus was extracted several times using this apparatus at an extraction rate of 69.89%.

In the extraction kettle for automatically monitoring the ethanol solvent concentration in the thermal extraction process in the embodiment, the ethanol concentration controller 4 and the ethanol concentration detector 5 are arranged, the ethanol concentration detector 5 transmits a signal to the ethanol concentration controller 4, when the detected actual ethanol concentration is lower than or higher than a set value of the ethanol concentration controller, the ethanol concentration controller 4 realizes feedback regulation of the signal, and ethanol or water is added from a feed port of high-concentration ethanol or a feed port of water supply to realize accurate monitoring and control of the ethanol solvent concentration in the thermal extraction process, so that the stability and uniformity of extracts in different extraction batches are improved, the stability and efficacy of active ingredients are ensured, and the popularization and application of the extraction kettle for automatically monitoring the ethanol solvent concentration in the thermal extraction process in the technical field of extraction equipment are facilitated.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: 1. a solids feed port; 2. a liquid feed port; 3. an ethanol feed port; 4. an ethanol concentration controller; 5. an ethanol concentration detector; 6. a first valve; 7. a jacket heating layer; 8. a discharge port; 9. a second valve; 10. a drive mechanism; 11. a visible mirror; 12. an outer cylinder cover; 13. an inner barrel; 14. an output shaft; 15. a stirring paddle; 16. screening by a drum screen; 17. barrel, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (9)

1. The utility model provides a hot extraction process ethanol solvent concentration automatic monitoring's extraction cauldron which characterized in that: including solid-liquid separation extraction element and set up in solid feed inlet (1), liquid feed inlet (2), ethanol feed inlet (3) and discharge gate (8) of solid-liquid separation extraction element still include ethanol concentration controller (4) and ethanol concentration detector (5), the detection head of ethanol concentration detector (5) probes into the inside setting of solid-liquid separation extraction element, ethanol concentration controller (4) with signal connection between ethanol concentration detector (5).

2. The extraction kettle for automatically monitoring ethanol solvent concentration in a thermal extraction process according to claim 1, wherein: the liquid feeding port (2) is provided with a first valve (6), and the ethanol concentration controller (4) is connected with the first valve (6) and controls the opening and closing of the first valve (6).

3. The extraction kettle according to claim 2, wherein the concentration of ethanol solvent in the extraction kettle is automatically monitored, and the extraction kettle comprises: the ethanol feeding hole (3) is provided with a second valve (9), and the ethanol concentration controller (4) is connected with the second valve (9) and controls the opening and closing of the second valve (9).

4. The extraction kettle according to claim 3, wherein the concentration of ethanol solvent in the extraction kettle is automatically monitored, and the extraction kettle comprises: solid-liquid separation extraction element includes barrel (17), urceolus lid (12), drum sieve (16), inner tube (13), low head (18), stirring rake (15) and is used for the drive actuating mechanism (10) of stirring rake (15) stirring, outer drum lid (12) are located barrel (17) top, low head (18) are located barrel (17) bottom, drum sieve (16) are located barrel (17) with between inner tube (13), stirring rake (15) install in inner tube (13), the output of actuating mechanism (10) is connected with output shaft (14), stirring rake (15) install in output shaft (14), actuating mechanism (10) with electric connection between ethanol concentration controller (4).

5. The extraction kettle according to claim 4, wherein the concentration of ethanol solvent in the extraction kettle is automatically monitored, and the extraction kettle comprises: the stirring paddles (15) are multiple.

6. The extraction kettle according to claim 5, wherein the concentration of ethanol solvent in the extraction kettle is automatically monitored, and the extraction kettle comprises: the utility model discloses a solid feed inlet (1) is seted up in outer cover (12), liquid feed inlet (2) with ethanol feed inlet (3) are all seted up in barrel (17), ethanol feed inlet (3) are located liquid feed inlet (2) below sets up, ethanol concentration controller (4) are located ethanol feed inlet (3) below.

7. The extraction kettle according to claim 6, wherein the concentration of ethanol solvent in the extraction kettle is automatically monitored, and the extraction kettle comprises: the ethanol concentration detector (5) is arranged close to the middle of the left side of the cylinder body (17).

8. The extraction kettle according to claim 7, wherein the concentration of ethanol solvent in the extraction kettle is automatically monitored, and the extraction kettle comprises: a jacket heating layer (7) is arranged outside the cylinder body (17).

9. An extraction kettle for automatically monitoring ethanol solvent concentration in a thermal extraction process according to claim 4 or 8, wherein: the outer cylinder cover (12) is provided with a visual mirror (11).

Images