A separation and extraction device for tobacco flavoring

Abstract

The invention discloses a separation and extraction device for tobacco flavors, comprising a plurality of groups of centrifugal membrane separation devices connected end to end in sequence, the centrifugal membrane separation device comprising a housing, a filter press rotor, a filter membrane and an output motor, a collection chamber is provided in the housing, the filter press rotor is limitedly arranged in the collection chamber, a filter chamber is provided in the filter press rotor, a mixture of an extract and an extracting liquid is filled in the filter chamber, the filter chamber is annularly connected along the outer wall of the filter press rotor, filter grooves are provided on three groups of outer walls of the filter press rotor, the filter membrane is sealed and fixedly installed in the filter groove, an inner gear ring is installed inside the filter press rotor, a fixed gear is meshedly connected inside the inner gear ring, the output motor is fixedly installed at the bottom of the housing, a crankshaft is connected to the output end of the output motor, and the eccentric wheel on the crankshaft is limitedly transmission-connected with the inner limit of the filter press rotor. The advantages of the invention are that centrifugation, decompression filtration and membrane separation are combined, and separation and extraction efficiency is greatly improved at the same time.

Description

Technical Field

[0001] The invention relates to the technical field of tobacco flavor separation, and in particular to a tobacco flavor separation and extraction device. Background Art

[0002] In recent years, as people's health awareness has increased and their understanding of the health risks of traditional tobacco products has deepened, the research and development of alternative tobacco products and flavors has become a hot area. Traditional tobacco products usually contain a variety of harmful chemical components, which release substances that are harmful to the human body during the combustion process. In order to reduce the harm to health, many researchers and companies have begun to explore the use of plant flavors to improve the flavor and safety of tobacco products.

[0003] Plant tobacco flavoring, as an emerging alternative tobacco product, aims to provide a pleasant smoking experience by introducing natural plant ingredients while minimizing the generation of harmful substances. These plant flavorings can not only imitate the aroma and taste of traditional tobacco, but also introduce some unique flavors to make the products more diverse and attractive. The introduction of plant flavorings in tobacco products can not only enhance the sensory experience of the product, but also further reduce the negative impact of smoking on health by selecting plant ingredients with specific pharmacological effects. This approach not only meets the pursuit of modern consumers for healthy and natural products, but also provides a new development direction for the tobacco industry.

[0004] Existing solutions for separating and extracting tobacco flavors include centrifugal separation, filtration separation, sedimentation separation, and membrane separation technology. However, the effects of the above-mentioned individual technical solutions are poor and the processing efficiency is low. Summary of the invention

[0005] The purpose of the present invention is to provide a device for separating and extracting tobacco flavorings, which realizes the combination of centrifugation, vacuum filtration and membrane separation, and greatly improves the separation and extraction efficiency.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A device for separating and extracting tobacco flavorings, characterized in that it comprises a plurality of centrifugal membrane separation devices connected end to end in sequence, the centrifugal membrane separation device comprising a shell, a filter press rotor, a filter membrane and an output motor, four groups of legs are symmetrically arranged at the bottom of the shell, a collecting cavity is provided in the shell, the cross section of the collecting cavity is an 8-shape, the filter press rotor is limited and movably arranged in the collecting cavity, the cross section of the filter press rotor is a Leroy triangle, a filter cavity is provided in the filter press rotor, the filter cavity is filled with a mixture of an extract and an extract, the filter cavity is annularly connected along the outer wall of the filter press rotor, filter grooves are provided on three groups of outer walls of the filter press rotor, the filter membrane is sealed and fixedly installed in the filter groove, and the three groups of vertices of the filter press rotor are all sealed against the inner wall of the collecting cavity. The filter press rotor is fitted with an inner gear ring, and a fixed gear is meshed and connected inside the inner gear ring. The fixed gear is fixedly installed on the top of the shell, and the output motor is fixedly installed on the bottom of the shell. The output end of the output motor is connected with a crankshaft, and the eccentric wheel on the crankshaft is limitedly connected to the internal limit transmission of the filter press rotor. The crankshaft passes through the center of the fixed gear. A liquid outlet connected to the collecting cavity is provided on the outside of the shell, and a liquid inlet connected to the filter cavity is provided on the bottom of the shell. The space between the filter membrane and the collecting cavity is in a cyclic decreasing state and an increasing state respectively under the rotation of the filter press rotor. The negative pressure formed in the increasing state filters the extract to the outside of the filter membrane, and the positive pressure formed in the decreasing state discharges the extract filtered to the outside of the filter membrane through the liquid outlet.

[0008] Preferably, two groups of stainless steel filter plates are sandwiched on the inner and outer sides of the filter membrane, the inner stainless steel filter plate end of the filter membrane is fixedly connected to the outer stainless steel filter plate of the filter membrane by bolts, the two groups of stainless steel filter plates are sealed and clamped on the four sides of the filter tank, and the stainless steel filter plates and filter membrane are both arranged to be an arc structure that matches the side of the filter press rotor.

[0009] Preferably, replaceable sealing sheets are provided on the three groups of vertices of the filter press rotor, and the sealing sheets are always in sealing fit with the inner wall of the collection chamber.

[0010] Preferably, the eccentric wheel and the inside of the filter press rotor, and the crankshaft and the fixed gear are movably arranged, and the gear ratio between the fixed gear and the inner ring gear is 2:3.

[0011] Preferably, the liquid outlets are provided in two groups, which are respectively arranged obliquely and symmetrically on both sides of the shell, and the liquid outlet of the first centrifugal membrane separation device is connected to the liquid inlet of the next adjacent centrifugal membrane separation device.

[0012] Preferably, the molecular weight cutoffs of the filter membranes of the plurality of groups of centrifugal membrane separation devices decrease in sequence according to the filtration order.

[0013] Preferably, an annular liquid inlet channel is protruded outwardly around the output motor at the bottom of the shell, the liquid inlet port is connected to the bottom of the annular liquid inlet channel, the inner ring and the outer ring of the annular liquid inlet channel are concentrically arranged with the output end of the output motor, and a part of the annular liquid inlet channel is always in the filter cavity when the filter press rotor is rotating.

[0014] Preferably, a detachable top cover is provided at the upper end of the shell, and the three sides of the upper and lower ends of the filter press rotor are movably sealed with the detachable top cover and the inner wall of the bottom of the shell respectively.

[0015] Preferably, the two groups of liquid outlets are both arranged at the bottom of the shell, and a discharge port is also provided at the bottom of the shell.

[0016] In summary, the present invention has the following beneficial effects: the present invention realizes closed movement in the cavity by driving the Lelo triangle filter press rotor, and the space between the filter membrane and the collection cavity is in a cyclic decreasing state and an increasing state respectively under the rotation of the filter press rotor, and the negative pressure formed in the increasing state filters the extract to the outside of the filter membrane, and the positive pressure formed in the decreasing state discharges the extract filtered to the outside of the filter membrane through the liquid outlet, and four groups of spaces in one collection cavity can realize filtering and drainage respectively in pairs, because the extract in the filter cavity always covers one side of the filter membrane in the rotating centrifugal state, the centrifugal force and the negative pressure on the other side of the filter membrane accelerate the realization of efficient separation, and the subsequent cleaning is also more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0018] Figure 2 is a front view of the external structure of the housing of the present invention;

[0019] Figure 3 It is a schematic diagram of the bottom structure of the shell of the present invention. DETAILED DESCRIPTION

[0020] The specific implementation manner of the present invention is further described below in conjunction with the accompanying drawings, and this embodiment does not constitute a limitation of the present invention.

[0021] like Figures 1 to 3The device for separating and extracting tobacco flavors shown in the figure comprises a plurality of centrifugal membrane separation devices connected end to end in sequence, the centrifugal membrane separation device comprising a shell 1, a filter press rotor 2, a filter membrane 3 and an output motor 4, four groups of legs 5 are symmetrically arranged at the bottom of the shell 1, a collecting cavity 6 is provided in the shell 1, the cross section of the collecting cavity 6 is an 8-shaped, the filter press rotor 2 is limitedly arranged in the collecting cavity 6, the cross section of the filter press rotor 2 is a Leroy triangle, a filter cavity 7 is provided in the filter press rotor 2, the filter cavity 7 is filled with a mixture of an extract and an extracting liquid, the filter cavity 7 is annularly connected and arranged along the outer wall of the filter press rotor 2, filter grooves are provided on three groups of outer walls of the filter press rotor 2, the filter membrane 3 is sealed and fixedly installed in the filter groove, the three groups of vertices of the filter press rotor 2 are all sealed and fitted with the inner wall of the collecting cavity 6, the filter press rotor 2 An inner gear ring 8 is installed inside, and a fixed gear 9 is meshingly connected to the inner side of the inner gear ring 8. The fixed gear 9 is fixedly installed on the top of the shell 1, and the output motor 4 is fixedly installed on the bottom of the shell 1. The output end of the output motor 4 is connected to a crankshaft 10, and the eccentric wheel 18 on the crankshaft 10 is connected to the internal limit transmission connection of the filter press rotor 2. The crankshaft 10 passes through the center of the fixed gear 9. A liquid outlet 14 connected to the collection cavity 6 is provided on the outside of the shell 1, and a liquid inlet 11 connected to the filter cavity 7 is provided at the bottom of the shell 1. The space between the filter membrane 3 and the collection cavity 6 is in a cyclic decreasing state and an increasing state respectively under the rotation of the filter press rotor 2. The negative pressure formed in the increasing state filters the extract to the outside of the filter membrane 3, and the positive pressure formed in the decreasing state discharges the extract filtered to the outside of the filter membrane 3 through the liquid outlet 14.

[0022] Two groups of stainless steel filter plates 12 are sandwiched on both sides of the filter membrane 3. The inner end of the stainless steel filter plate 12 of the filter membrane 3 is fixedly connected to the outer end of the stainless steel filter plate 12 of the filter membrane 3 by bolts. The two groups of stainless steel filter plates 12 are sealed and clamped on the four sides of the filter tank. The stainless steel filter plates 12 and the filter membrane 3 are both arranged to be an arc structure that matches the side of the filter press rotor 2.

[0023] Replaceable sealing sheets 13 are provided on the three groups of vertices of the filter press rotor 2. The sealing sheets 13 are always sealed to the inner wall of the collection chamber 6, so as to achieve isolation of each filtering and drainage space. At the same time, due to the centrifugal effect, the extract is always attached to the inner side of the filter membrane 3 on the three sides of the filter press rotor 2. Even if the filter chamber 7 is an integrally connected structure, a good separation and extraction effect can still be achieved.

[0024] The eccentric wheel 18 and the inside of the filter press rotor 2, and the crankshaft 10 and the fixed gear 9 are movably arranged, and the gear ratio between the fixed gear 9 and the inner gear ring 8 is 2:3.

[0025] There are two groups of liquid outlets 14, which are obliquely symmetrically arranged on both sides of the shell 1, and are both arranged at the shell 1 where the space between the filter membrane 3 and the collection chamber 6 is in an increasing state. The liquid outlet 14 of the previous centrifugal membrane separation device is connected to the liquid inlet 11 of the next adjacent centrifugal membrane separation device.

[0026] The molecular weight cutoff of the filter membrane 3 of the plurality of centrifugal membrane separation devices decreases in sequence according to the filtration order. The number of centrifugal membrane separation devices and the molecular weight cutoff of the corresponding filter membrane 3 are selected according to the required purity.

[0027] An annular liquid inlet channel 15 is provided at the bottom of the shell 1 protruding outwardly around the output motor 4, and the liquid inlet port 11 is connected with the bottom of the annular liquid inlet channel 15. The inner ring and the outer ring of the annular liquid inlet channel 15 are concentrically arranged with the output end of the output motor 4. A part of the annular liquid inlet channel 15 is always in the filter cavity 7 when the filter press rotor 2 is rotating. The annular liquid inlet channel 15 is only connected with the filter cavity 7. Through the annular liquid inlet channel 15, the liquid inlet port 11 always injects the extract into the filter cavity 7, and the filter cavity 7 is in an overpressure state, which is beneficial to improving the separation efficiency.

[0028] A removable top cover 16 is provided at the upper end of the shell 1, and the three sides of the upper and lower ends of the filter press rotor 2 are movably sealed with the removable top cover 16 and the bottom inner wall of the shell 1 respectively, so as to realize the spatial isolation of the collection cavity 6 and the filtration cavity 7, and the cavity communication is only achieved through the filter membrane 3.

[0029] Both groups of liquid outlets 14 are arranged at the bottom of the shell 1. A discharge port 17 is also provided at the bottom of the shell 1. When it is necessary to discharge the retained liquid and the extraction residue after the extraction is completed, it is only necessary to separate the removable top cover 16 from the shell 1, remove the stainless steel filter plate 12 and the filter membrane 3, and then drive the filter press rotor 2. At a relatively low speed, the retained liquid and the extract can be discharged through the discharge port 17 by centrifugal action.

[0030] The present invention realizes closed movement in the cavity by driving the Lelo triangle filter press rotor. The space between the filter membrane and the collection cavity is in a cyclic decreasing state and an increasing state respectively under the rotation of the filter press rotor. The negative pressure formed in the increasing state filters the extract to the outside of the filter membrane, and the positive pressure formed in the decreasing state discharges the extract filtered to the outside of the filter membrane through the liquid outlet. In addition, four groups of spaces in one collection cavity can realize filtering and liquid discharge in pairs. Because the extract in the filter cavity always covers one side of the filter membrane in a rotating centrifugal state, efficient separation is accelerated by centrifugal force and the negative pressure state on the other side of the filter membrane, and subsequent cleaning is also more convenient.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions should also be deemed to fall within the protection scope of the technical solution of the present invention.

Claims

1. A device for separating and extracting tobacco flavors, characterized in that: The invention comprises a plurality of centrifugal membrane separation devices connected end to end in sequence, the centrifugal membrane separation device comprises a shell, a filter press rotor, a filter membrane and an output motor, four groups of legs are symmetrically arranged at the bottom of the shell, a collecting cavity is provided in the shell, the cross section of the collecting cavity is an 8-shape, the filter press rotor is limitedly arranged in the collecting cavity, the cross section of the filter press rotor is a Leroy triangle, a filter cavity is provided in the filter press rotor, the filter cavity is filled with a mixture of an extract and an extract, the filter cavity is annularly connected along the outer wall of the filter press rotor, filter grooves are provided on three groups of outer walls of the filter press rotor, the filter membrane is sealed and fixedly installed in the filter groove, the three groups of vertices of the filter press rotor are all sealed and fitted with the inner wall of the collecting cavity, and the filter press rotor has a filter cavity filled with a mixture of an extract and an extract. An inner gear ring is installed on the inner side of the inner gear ring, and a fixed gear is meshed and connected thereto. The fixed gear is fixedly installed on the top of the shell, and the output motor is fixedly installed on the bottom of the shell. The output end of the output motor is connected to a crankshaft, and the eccentric wheel on the crankshaft is limitedly connected to the internal limit transmission of the filter press rotor. The crankshaft passes through the center of the fixed gear. A liquid outlet connected to the collecting cavity is provided on the outside of the shell, and a liquid inlet connected to the filter cavity is provided on the bottom of the shell. The space between the filter membrane and the collecting cavity is in a cyclic decreasing state and an increasing state respectively under the rotation of the filter press rotor. The negative pressure formed in the increasing state filters the extract to the outside of the filter membrane, and the positive pressure formed in the decreasing state discharges the extract filtered to the outside of the filter membrane through the liquid outlet; The bottom of the shell body is provided with an annular liquid inlet channel protruding outwardly around the output motor, the liquid inlet port is connected with the bottom of the annular liquid inlet channel, the inner ring and the outer ring of the annular liquid inlet channel are both concentrically arranged with the output end of the output motor, and a part of the annular liquid inlet channel is always in the filter cavity when the filter press rotor is rotating.

2. The device for separating and extracting tobacco flavorings according to claim 1, characterized in that: Two groups of stainless steel filter plates are sandwiched on both sides of the filter membrane. The inner end of the stainless steel filter plate of the filter membrane is fixedly connected to the outer end of the stainless steel filter plate of the filter membrane by bolts. The two groups of stainless steel filter plates are sealed and clamped on the four sides of the filter tank. The stainless steel filter plates and the filter membrane are both arranged to be an arc structure that matches the side of the filter press rotor.

3. The device for separating and extracting tobacco flavorings according to claim 1, characterized in that: The three groups of vertices of the filter press rotor are all provided with replaceable sealing sheets, and the sealing sheets are always in sealing contact with the inner wall of the collection chamber.

4. The device for separating and extracting tobacco flavorings according to claim 1, characterized in that: The eccentric wheel and the inside of the filter press rotor, and the crankshaft and the fixed gear are movably arranged, and the gear ratio between the fixed gear and the inner gear ring is 2:

3.

5. The device for separating and extracting tobacco flavorings according to claim 1, characterized in that: The liquid outlets are provided in two groups, which are respectively and obliquely symmetrically arranged on both sides of the shell, and the liquid outlet of the first centrifugal membrane separation device is connected with the liquid inlet of the next adjacent centrifugal membrane separation device.

6. The device for separating and extracting tobacco flavorings according to claim 1, characterized in that: The molecular weight cutoff of the filter membranes of the plurality of groups of centrifugal membrane separation devices decreases in sequence according to the filtration order.

7. The device for separating and extracting tobacco flavorings according to claim 1, characterized in that: The upper end of the shell is provided with a detachable top cover, and the three sides of the upper and lower ends of the filter press rotor are movably sealed with the detachable top cover and the inner wall of the bottom of the shell.

8. The device for separating and extracting tobacco flavorings according to claim 1, characterized in that: The two groups of liquid outlets are both arranged at the bottom of the shell, and a discharge port is also provided at the bottom of the shell.

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