CN216571642U - Countercurrent extraction device - Google Patents

Abstract

The utility model relates to a technical field is made to the tobacco, especially relates to a countercurrent extraction device, transfer sleeve and activity setting including the downward sloping setting are in transfer screw in the transfer sleeve, top and bottom of transfer sleeve upper end communicate respectively has extract admission pipe and discharge gate, top and bottom of transfer sleeve lower extreme communicate respectively has feed inlet and extract exit tube, the extract exit tube with be provided with the filter between the transfer sleeve, its characterized in that, one side of extract exit tube has converged first branch pipe, the outer port of first branch pipe is connected with out the air pump. The utility model relates to a countercurrent extraction device need not to dismantle the complete machine alright in order to solve the jam problem that the residue formed in the bottom in time, and it is more convenient to use.

Description

Countercurrent extraction device

Technical Field

The utility model relates to a technical field is made to the tobacco, especially relates to a countercurrent extraction device.

Background

In the tobacco production, tobacco ribs are dried and crushed to form granular raw materials, the granular raw materials are mixed with other auxiliary materials (such as water and calcium oxide), the mixture is conveyed into a groove-shaped container through a feeding mechanism, and the alkalization process is completed after the granular raw materials and the other auxiliary materials are stacked for 2-4 hours generally. After the alkalization is finished, conveying the alkalized material to an extraction device through a scraper, and inputting No. 6 solvent oil in the extraction device to realize the extraction of nicotine in the alkalized material. No. 6 solvent oil can extract nicotine component from the alkalized material. And (3) continuing the next procedure of the organic solvent containing nicotine, feeding the organic solvent containing nicotine into an extraction tank, storing sulfuric acid water in the extraction tank, and forming an extraction system by the organic solvent containing nicotine and the sulfuric acid water so as to generate nicotine sulfate. At this time, the concentration of nicotine sulfate needs to be further controlled to increase the nicotine content, which is convenient for the subsequent production of high-purity nicotine. And pumping the nicotine sulfate into a concentration tank for concentration, and concentrating the nicotine sulfate pumped into the concentration tank to obtain the nicotine sulfate with high nicotine content. And continuously entering a back extraction tank for back extraction. Finally, the nicotine product can be obtained through rectification.

However, in the process of extracting the alkalized material into the nicotine-containing organic solvent, the prior art treatment method generally puts the solid alkalized material into a container in advance, and then sprays the solvent oil into the container to mix with the solid alkalized material, so as to extract the nicotine component in the solid alkalized material by using the solvent oil, but the production efficiency of the process method is low. In order to solve the technical problem, chinese utility model patent with patent number CN206492240U discloses a nicotine countercurrent extraction device, and this countercurrent extraction device is at the in-process of extracting, and solid alkalization material and solvent oil transmit in extraction device simultaneously in succession, and the opposite direction of transmission, through letting two kinds of materials from opposite direction ground mutual contact, can make solid alkalization material and solvent oil more fully contact, can obviously promote the extraction effect to nicotine composition. However, although the above-mentioned prior art patent adds a structure such as a turning plate and a filter in the countercurrent extraction device to solve the problem of clogging, in actual use, solid residue still clogs in the filter with long-term continuous use, resulting in serious clogging of the bottom of the extraction device, necessitating a shutdown for disassembly and maintenance of the entire machine, which is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a countercurrent extraction device need not to dismantle the complete machine alright in order to solve the jam problem that the residue formed in the bottom in time, and it is more convenient to use.

The utility model relates to a counter-current extraction device, conveying sleeve and activity setting including the downward sloping setting are in conveying screw in the conveying sleeve, top and bottom of conveying sleeve upper end communicate respectively has extract admission pipe and discharge gate, top and bottom of conveying sleeve lower extreme communicate respectively has feed inlet and extract exit tube, the extract exit tube with be provided with the filter between the conveying sleeve, its characterized in that, one side of extract exit tube has converged first branch pipe, the outer port of first branch pipe is connected with out the air pump.

According to the utility model discloses a countercurrent extraction device, the opposite side of extract exit tube has met the second branch pipe, the outer port of second branch pipe is connected with the aspirator pump.

According to the utility model discloses a countercurrent extraction device, conveying sleeve lower extreme bottom is provided with the screwed pipe, the upper end of filter with the mutual threaded connection of screwed pipe, the lower extreme of filter with extract exit tube threaded connection.

According to the utility model discloses a countercurrent extraction device, the third bleeder has been met to one side that the extract was gone into the pipe, the outer port of third bleeder is connected with supplementary pneumatic pump.

According to the utility model discloses a counter-current extraction device, transfer screw's rotation axis outer wall is provided with a plurality of past the brush of scraping that transfer sleeve inner wall extends, each scrape the brush and arrange respectively and distribute in transfer screw's each thread groove.

According to the utility model discloses a counter-current extraction device, each of scraping in the brush is scraped the strip and is long, short staggered arrangement.

According to the utility model discloses a countercurrent extraction device, the inner of scraping the brush is fixed with the metal head, the metal head welding is in conveying sleeve's outer wall.

According to the utility model discloses a counter current extraction element, the feed inlet with the extract exit tube staggers each other and corresponds respectively the last different thread groove of transfer screw, just the extract exit tube correspond to transfer screw's lowermost floor thread groove.

According to the utility model discloses a counter current extraction element, the discharge gate with the extract is gone into the pipe and is staggered each other and corresponds respectively the last different thread groove of transfer screw, just the discharge gate corresponds to transfer screw's the superiors thread groove.

According to the utility model discloses a counter current extraction element, microwave generator has been cup jointed to conveying sleeve's outer wall.

The utility model discloses a countercurrent extraction device, in the use, solid alkalization material follow conveying sleeve lower extreme top the feed inlet gets into, drives through outside motor conveying screw is in last rotation in the conveying sleeve, can follow solid alkalization material from up conveying down, simultaneously, solvent oil follow conveying sleeve upper end top the extract admission pipe gets into, under the effect of gravity, solvent oil is in top-down's flow in the conveying sleeve to can let solvent oil and solid alkalization material from opposite direction ground mutual abundant contact, after solvent oil extracted the nicotine composition in the middle of the solid alkalization material, continue the downward flow, finally follow the extract exit tube of conveying sleeve lower extreme bottom outflow, the solid residue after most is fully reacted can continue upwards conveying along with conveying screw, finally outwards discharges from the discharge gate, and the few residue that accompanies with the nicotine solvent can be gradually in the filter is piled up, along with long-term continuous use, the residue can block up in conveying sleeve's lower extreme bottom, because at this moment one side of extraction liquid exit tube has met first branch pipe simultaneously the outer port of first branch pipe is connected with the air outlet pump, consequently can be through starting air outlet pump output air pressure, air pressure enters into through first branch pipe and extraction liquid exit tube in the conveying sleeve, under the effect of atmospheric pressure, the jam is in the residue of conveying sleeve bottom can be broken away, and the part residue that is broken away can continue by conveying screw up conveyer belt goes out to can in time solve the jam problem that the residue formed in the bottom, and need not to dismantle the complete machine, consequently it is more convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic illustration of a further aspect of the present invention;

FIG. 3 is a schematic illustration of a further aspect of the present invention;

FIG. 4 is a schematic illustration of a further aspect of the present invention;

FIG. 5 is a schematic view of a partial structure of a further embodiment of the present invention;

FIG. 6 is a schematic view of the overall structure of a further embodiment of the present invention;

fig. 7 is a schematic diagram of the overall structure of a further embodiment of the present invention.

Reference numerals:

100. the device comprises a motor 1, a conveying sleeve 2, a conveying screw rod 3, an extracting solution inlet pipe 4, a discharging port 5, a feeding port 6, an extracting solution outlet pipe 7, a filter 8, a first branch pipe 9, an air outlet pump 10, a second branch pipe 11, an air suction pump 12, a threaded pipe 13, a third branch pipe 14, an auxiliary air pressure pump 15, a scraping brush 16, a scraping strip 17, a metal head 18 and a microwave generator.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1, a countercurrent extraction device comprises a conveying sleeve 1 and a conveying screw 2, wherein the conveying sleeve 1 is arranged in a downward inclined manner, the conveying screw 2 is movably installed in the conveying sleeve 1, a motor 100 is arranged at the upper end of the conveying sleeve 1, and the output end of the motor 100 is in transmission connection with the conveying screw 2, so that the conveying screw 2 can be driven to rotate in the conveying sleeve 1 by starting the motor 100. Simultaneously, conveying sleeve 1 after the slope is fixed, conveying sleeve 1's upper end top intercommunication has the extract to go into tub 3, and conveying sleeve 1's upper end bottom intercommunication has discharge gate 4, and conveying sleeve 1's lower extreme top intercommunication has feed inlet 5, and conveying sleeve 1's lower extreme bottom intercommunication has extract exit tube 6, installs filter 7 between extract exit tube 6 and the conveying sleeve 1. In addition, the right side of the extracting solution outlet pipe 6 is connected with a first branch pipe 8 in a converging manner, and an air outlet pump 9 is connected to the outer port of the first branch pipe 8.

It can be understood that, in the countercurrent extraction apparatus of this embodiment, in the using process, the solid alkalization material enters from the feeding port 5 at the top of the lower end of the conveying sleeve 1, the conveying screw 2 is driven by the external motor 100 to continuously rotate in the conveying sleeve 1, so that the solid alkalization material can be conveyed from bottom to top, meanwhile, the solvent oil enters from the extracting solution inlet pipe 3 at the top of the upper end of the conveying sleeve 1, under the action of gravity, the solvent oil flows from top to bottom in the conveying sleeve 1, so that the solvent oil and the solid alkalization material can be fully contacted with each other in opposite directions, the solvent oil continues to flow downwards after extracting the nicotine component in the solid alkalization material, finally flows out from the extracting solution outlet pipe 6 at the bottom of the lower end of the conveying sleeve 1, most of the fully reacted solid residue continues to move upwards along with the conveying screw 2, and finally is discharged outwards from the discharging port 4, and a small amount of residue that flows along with the nicotine solvent can be piled up at filter 7 gradually, along with long-term continuous use, the residue can block up in the lower extreme bottom of conveying sleeve 1, at this moment because the right side of extraction liquid exit tube 6 has met first lateral tube 8 and the outer port of first lateral tube 8 is connected with out air pump 9 simultaneously, consequently, can be through starting out air pump 9 output air pressure, air pressure enters into to conveying sleeve 1 through first lateral tube 8 and extraction liquid exit tube 6 in, under the effect of atmospheric pressure, the residue of blockking up in conveying sleeve 1 bottom can be broken away, the part residue that is broken away can continue to be carried out by conveying screw 2 up conveying, thereby can in time solve the residue and form the problem of blockking up in the bottom, and need not to dismantle the complete machine, therefore it is more convenient to use.

In one embodiment, as shown in fig. 2, the left side of the extraction liquid outlet pipe 6 is connected with a second branch pipe 10, and an external port of the second branch pipe 10 is connected with a suction pump 11.

It can be understood that when taking place comparatively serious jam, light relies on the produced one-way atmospheric pressure thrust of air pump 9 to break away the residue probably, can be through starting out air pump 9 and aspirator pump 11 in turn this moment, exert atmospheric pressure thrust and atmospheric pressure suction to the lower extreme bottom of conveying sleeve 1 in turn to can realize "push-and-pull" effect lasting to blockking up the residue, let the alternative effort that lasts the production order about the residue and scatter, can further effectively solve the problem of jam to a certain extent.

In one embodiment, as shown in fig. 3, the lower end of the transfer sleeve 1 is provided with a threaded pipe 12, the upper end of the filter 7 is screwed with the threaded pipe 12, and the lower end of the filter 7 is screwed with the extraction liquid outlet pipe 6.

It can be understood that through foretell threaded connection, the dismantlement of filter 7 and extraction liquid exit tube 6 of can being convenient for, when taking place serious jam, give vent to anger pump 9 and aspirator pump 11 also can't solve, through tearing filter 7 and extraction liquid exit tube 6 out from conveying sleeve 1 lower extreme, alright clear up in order to pass through screwed pipe 12 to conveying sleeve 1's inside, clear out solid residue, solve the problem of serious jam.

In one embodiment, as shown in fig. 4, one side of the extracting solution inlet pipe 3 is connected with a third branch pipe 13, and an external port of the third branch pipe 13 is connected with an auxiliary pneumatic pump 14.

It can be understood that in the process that the conveying screw rod 2 continuously conveys the solid alkalization material from bottom to top, a small part of solid residues are gradually adhered to and accumulated at the position of the extracting solution inlet pipe 3, when the inner pipe orifice of the extracting solution inlet pipe 3 is blocked, the auxiliary air pressure pump 14 can be utilized to generate air pressure thrust, and the generated air pressure thrust enters the conveying sleeve 1 through the third branch pipe 13, so that the residues adhered to the pipe orifice of the extracting solution inlet pipe 3 can be assisted to be dispersed, and the blocking problem is assisted to be solved.

In one embodiment, as shown in fig. 1, the outer wall of the rotating shaft of the conveying screw 2 is provided with a plurality of scraping brushes 15 extending towards the inner wall of the conveying sleeve 1, and each scraping brush 15 is respectively arranged and distributed in each thread groove of the conveying screw 2.

It can be understood that, in transportation process, the solid material is easy to be blockked up in each thread groove of conveyor screw 2, scrapes brush 15 through setting up respectively in each thread groove of conveyor screw 2, and each scrapes brush 15 and rotates along with conveyor screw 2 to can utilize and scrape brush 15 and scrape the solid material of pine jam, avoid the middle part of conveying sleeve 1 to form and block up.

In one embodiment, as shown in fig. 5, the respective wiper strips 16 in the wiper 15 are arranged in a staggered manner.

It can be understood that, because the scraping strips 16 are arranged in a staggered manner, the solid materials can be scraped in a staggered manner, so that the solid materials can be easily scraped loose, and the solid materials are placed to form blockage.

In one embodiment, as shown in fig. 5, a metal head 17 is fixed to the inner end of the wiper 15, and the metal head 17 is welded to the outer wall of the transfer sleeve 1. It will be appreciated that the wiper 15 can be more firmly connected to the transport sleeve 1 by welding, preventing the wiper 15 from becoming loose inside the transport sleeve 1.

In one embodiment, as shown in FIG. 6, the feed port 5 and the extraction liquid outlet pipe 6 are offset from each other and correspond to different thread grooves on the conveyor screw 2, respectively, and the extraction liquid outlet pipe 6 corresponds to the lowermost thread groove of the conveyor screw 2. Specifically, in the present embodiment, the extraction liquid outlet pipe 6 corresponds to the lowermost layer thread groove of the conveyance screw 2, and the feed port 5 corresponds to the penultimate thread groove of the conveyance screw 2.

It can be understood that, because feed inlet 5 staggers each other and corresponds the screw thread groove of difference on the conveying screw 2 respectively with extraction liquid exit tube 6, so both can separate through the screw thread, avoid the solid alkalization material that gets into from feed inlet 5 to get into extraction liquid exit tube 6, consequently can slow down the inside jam of conveying sleeve 1 to a certain extent.

In one embodiment, as shown in FIG. 7, the discharge port 4 and the extraction liquid inlet tube 3 are offset from each other and correspond to different screw grooves of the conveyor screw 2, respectively, and the discharge port 4 corresponds to the uppermost screw groove of the conveyor screw 2. Specifically, in the present embodiment, the discharge port 4 corresponds to the topmost thread groove of the conveying screw 2, and the extracting solution inlet pipe 3 corresponds to the second thread groove of the conveying screw 2, so that the solvent oil entering from the extracting solution inlet pipe 3 can be effectively prevented from falling down to the discharge port 4.

In one embodiment, as shown in fig. 1, the outer wall of the transfer sleeve 1 is sleeved with a microwave generator 18. The microwave generator 18 is capable of generating microwaves inside the transfer sleeve 1, which can heat the solid alkalized material and the solvent oil to increase the extraction efficiency of the solvent oil on the solid alkalized material.

In the description of the present specification, references to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a countercurrent extraction device, sets up including conveying sleeve (1) and the activity that the downward sloping set up conveying screw (2) in conveying sleeve (1), top and bottom of conveying sleeve (1) upper end communicate respectively has extract admission pipe (3) and discharge gate (4), top and bottom of conveying sleeve (1) lower extreme communicate respectively has feed inlet (5) and extract exit tube (6), extract exit tube (6) with be provided with filter (7) between conveying sleeve (1), its characterized in that, one side of extract exit tube (6) has met first branch pipe (8), the outer port of first branch pipe (8) is connected with air outlet pump (9).

2. Countercurrent extraction apparatus according to claim 1, characterized in that the other side of the extraction liquid outlet pipe (6) merges into a second branch pipe (10), the outer port of which second branch pipe (10) is connected with a suction pump (11).

3. Countercurrent extraction device according to claim 1, characterized in that the lower end bottom of the transfer sleeve (1) is provided with a threaded pipe (12), the upper end of the filter (7) is in threaded connection with the threaded pipe (12) and the lower end of the filter (7) is in threaded connection with the extraction liquid outlet pipe (6).

4. Countercurrent extraction apparatus according to claim 1, characterized in that one side of the extraction liquid inlet pipe (3) is joined with a third branch pipe (13), and the outer port of the third branch pipe (13) is connected with an auxiliary pneumatic pump (14).

5. Countercurrent extraction device according to claim 1, characterized in that the outer wall of the rotation axis of the conveyor screw (2) is provided with a plurality of scraping brushes (15) extending towards the inner wall of the conveyor sleeve (1), each scraping brush (15) being arranged and distributed in each thread groove of the conveyor screw (2).

6. Countercurrent extraction device according to claim 5, characterized in that the individual scraper bars (16) in the scraper brush (15) are staggered in length and in length.

7. Countercurrent extraction device according to claim 5, characterized in that a metal head (17) is fixed to the inner end of the scraping brush (15), said metal head (17) being welded to the outer wall of the transfer sleeve (1).

8. Countercurrent extraction device according to claim 1, characterized in that the feed inlet (5) and the extraction liquid outlet (6) are offset with respect to one another and correspond to different thread grooves on the conveyor screw (2), respectively, and the extraction liquid outlet (6) corresponds to the lowermost thread groove of the conveyor screw (2).

9. Countercurrent extraction device according to claim 1, characterized in that said discharge opening (4) and said extraction liquid inlet duct (3) are mutually staggered and correspond respectively to different threaded grooves on said conveyor screw (2), and in that said discharge opening (4) corresponds to the uppermost threaded groove of said conveyor screw (2).

10. Countercurrent extraction device according to claim 1, characterized in that the outer wall of the transfer sleeve (1) is sleeved with a microwave generator (18).

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