WO2020199859A1 - 一种粉料浸出器 - Google Patents

一种粉料浸出器 Download PDF

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Publication number
WO2020199859A1
WO2020199859A1 PCT/CN2020/078567 CN2020078567W WO2020199859A1 WO 2020199859 A1 WO2020199859 A1 WO 2020199859A1 CN 2020078567 W CN2020078567 W CN 2020078567W WO 2020199859 A1 WO2020199859 A1 WO 2020199859A1
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WIPO (PCT)
Prior art keywords
tank
spiral
filter cartridge
lifting
sprocket
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PCT/CN2020/078567
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English (en)
French (fr)
Inventor
尹越峰
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迈安德集团有限公司
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Publication date
Application filed by 迈安德集团有限公司 filed Critical 迈安德集团有限公司
Priority to US17/276,795 priority Critical patent/US20210354048A1/en
Publication of WO2020199859A1 publication Critical patent/WO2020199859A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0223—Moving bed of solid material
    • B01D11/0226—Moving bed of solid material with the general transport direction of the solids parallel to the rotation axis of the conveyor, e.g. worm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0223—Moving bed of solid material
    • B01D11/023—Moving bed of solid material using moving bands, trays fixed on moving transport chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/028—Flow sheets
    • B01D11/0284—Multistage extraction

Definitions

  • the invention relates to an extraction device, in particular to a powder extractor, which can be used for dynamic extraction in industries such as food, environmental protection and chemical industry, and belongs to the technical field of extraction equipment.
  • This type of equipment has requirements for the particle size of solid materials.
  • the solid materials should be in bulk or flakes, and there will be a certain gap between the particles after accumulation to facilitate the penetration of the extract or washing liquid.
  • the porosity of the material bed is insufficient, and the penetration rate will decrease or not penetrate, such as the leaching of tea seed cake, palm kernel cake and other materials.
  • the processing material of soy protein concentrate, white bean flakes or low-denaturing puffed materials contains 8-10% of high-powder crumbs, which cannot be processed by conventional leaching processes, and must be sieved out as scraps, resulting in economic yield of the material Low, poor sales, taking up funds.
  • the extraction liquid flows through the drop, the light phase is located on the upper part of the liquid layer, and the new dissolution is easy A short circuit occurs, resulting in insufficient extraction power and low extraction efficiency; the extraction path appears to be long, but the utilization rate of the upper screen surface of each group of leaching units is very low.
  • the concentrated extract obtained by the powder extractor contains a lot of powder particles, and the flow into the subsequent pipeline will cause the valve of the outlet pipe to be blocked, which must be filtered. After the traditional filter is used for a period of time, siltation and clogging will occur, and the discharge flow will decrease. The filter element needs to be replaced or cleaned, which affects the continuous and stable operation of the production line.
  • the purpose of the present invention is to overcome the problems in the prior art and provide a powder extractor with high soaking efficiency, which can ensure that the liquid can penetrate the powdery materials, can meet large-scale industrial production, reduce powder waste, and improve economy benefit.
  • the powder extractor of the present invention includes a rectangular box body.
  • a plurality of parallel tank partitions are connected between the front and rear wall panels of the tank body.
  • the cavity is divided into a plurality of soaking tanks, the upper part of each tank body partition is respectively provided with overflow ports, the overflow ports on the adjacent tank body partitions are staggered in the front and rear directions, and the height of each overflow port is from right to left Gradually lower, the discharge end of the rightmost immersion tank is connected with a new melt inlet, and the feed end of the leftmost immersion tank is connected with a concentrate outlet; the leftmost immersion tank has a feed inlet above the feed end;
  • the discharge ends of the partitions of the tank body are respectively provided with a guide groove for lifting and turning to the right, and a discharge groove is installed on the discharge end of the right wall panel of the box body.
  • the present invention achieves the following beneficial effects: the material enters the feed end of the leftmost soaking tank from the feed port, and the new solvent enters the rightmost soaking tank.
  • the soaking and extraction process is completed in the soaking tank.
  • the material is pushed to the discharge end of each soaking tank, it is pulled up along the guide tank, and after leaving the liquid surface, it is drained briefly and falls into the lower-level soaking tank on the right.
  • the advancing direction of the materials in adjacent soaking tanks is opposite, so that the solid materials move forward in an S-shaped zigzag.
  • the solid material When the solid material enters the final soaking tank, after fully soaking and mixing with the new solution, it is taken out from the discharge end of the rightmost soaking tank along the discharge tank and discharged out of the machine.
  • the solid material and the solution always keep reverse flow, the material with the highest content is in contact with the concentrated solution, and the material with the lower content is in contact with the dilute solution, which can always maintain a good osmotic pressure, which further improves the mass transfer efficiency.
  • the solid material advances horizontally along the soaking tank alternately, and after a period of lateral advancement, it is taken out and dropped into the next-stage soaking tank in the vertical direction.
  • the material and solution are stirred repeatedly, and the material and solution are in a turbulent state without laminar flow, even if the porosity is small.
  • the powder can also be fully saturated by the solution.
  • the adjacent overflow ports are staggered in the front and rear directions, and the solvent also flows in an S-shaped zigzag direction opposite to the forward direction of the solid material, flows through the full length of each immersion tank, and then uses the offset overflow to enter the next immersion tank and flow back through
  • the full length of the soaking tank greatly extends the extraction stroke of the solid material and the solution, and can achieve full extraction, thereby achieving efficient extraction.
  • the concentrated extract that reaches the leftmost soaking tank is discharged from the concentrated liquid outlet.
  • the soaking liquid level is slightly higher than the solid phase, the solid-liquid mixing is sufficient, the solvent consumption is low, the obtained mixed liquid concentration is high, and the evaporation and separation energy consumption is low.
  • each soaking tank is arc-shaped and is equipped with soaking tank spirals, and the spiral directions of the adjacent soaking tanks are opposite; each of the guide tanks is respectively installed with a scraper lifting mechanism, and the outlet A scraper discharge mechanism is installed in the trough.
  • the bottom of the soaking tank is arc-shaped and coincides with the soaking tank spiral, which can avoid dead space at the bottom of the tank; the soaking tank spiral is responsible for the transportation of solid materials in the soaking tank and completes the soaking extraction.
  • the forced stirring of the spiral blade avoids the simple soaking process.
  • the spiral directions of adjacent soaking tanks are opposite to make the materials advance in an S shape.
  • the scraper lifting mechanism is used to lift, drain, and transport the soaked solid materials for solid-liquid separation and solid phase lifting; the scraper discharging mechanism is used to lift, drain and transport the solid materials after extraction. discharge.
  • the screw plus scraper not only plays the role of conveying solid materials, but also can strongly stir the solid materials.
  • the height of the material layer in the soaking box can reach 800mm, which is 50-80% higher than the traditional 350mm material layer;
  • the extraction liquid is naturally permeated from top to bottom, changed to spiral mechanical stirring, solid-liquid direct mixing and leaching, extraction power is large, and extraction efficiency is high; the amount of solvent involved in the circulation of the traditional leaching system is 5 times that of the solid material.
  • the liquid volume ratio is about 1.2-1.5 times, and the initial dosage is only one-fourth to one-third of the original amount, which greatly saves a lot of solvents and capital.
  • each immersion tank is provided with at least one baffle plate extending in the left and right direction, and the lower end of each baffle plate is clamped above the spiral of the immersion tank through the concave arc of the baffle plate.
  • the baffle can prevent the surface solution from short-circuiting out if it is not in full contact with the solid material.
  • the concave arc of the baffle is stuck above the spiral of the soaking tank, which provides a channel for material transportation and forcing the solution from the gap of the concave arc of the baffle.
  • the solid material and the extraction liquid are in agitation and mixing contact, and the two phases are fully contacted in a turbulent state, which further improves the infiltration effect of the material and the solution; the solid and liquid are in turbulent contact under stirring, and the liquid phase is in turbulent contact.
  • Multiple baffles make the solvent flow in an S-shaped upward and downward directions in each immersion tank, preventing short circuit of the solvent, significantly increasing the extraction power and high extraction efficiency.
  • the discharging end of the spiral shaft of each soaking trough is equipped with a hollow large sprocket
  • the lower end of the lifting drive chain of the corresponding scraper lifting mechanism is engaged with the hollow large sprocket
  • the lifting drive chain is evenly provided Multiple lifting scrapers.
  • Part of the material can enter the discharge end of the soaking tank through the hollow of the large hollow sprocket, so that the receiving area of the lifting scraper is enlarged and the conveying capacity of the lifting scraper is increased.
  • the soaking tank spiral and the scraper lifting mechanism rotate synchronously.
  • the lifting scraper picks up and lifts the pushed material from the solution, and then falls into the next soaking tank.
  • the conveying capacity of the lifting scraper is greater than the soaking tank spiral, which can ensure that it does not cause blockage. material.
  • each lifting drive chain is meshed with the small lifting sprocket, each small lifting sprocket is respectively installed on the drive shaft, and each drive shaft is also respectively installed with a linkage sprocket, two adjacent drive
  • the shaft is a group and the two linkage sprockets are connected by a linkage chain; the shaft end of one of the drive shafts is equipped with a lifting sprocket, and the lifting sprocket is connected to the main sprocket of the drive reducer through the main chain.
  • the main sprocket of the drive reducer drives the large sprocket to rotate through the main chain, and the large sprocket drives the small sprocket and the linkage sprocket through the drive shaft to rotate, and the linkage chain drives the other drive shaft and the small sprocket to rotate synchronously ,
  • the two small hoisting sprockets drive the hoisting scraper and the spiral rotation of the soaking trough through the hoisting drive chain respectively to realize a drive reducer that drives the two soaking trough spirals to push the solid materials to the left and right at the same time.
  • Two scraper hoisting mechanisms simultaneously catch, drain and lift solid materials.
  • each spiral bearing seat is fixed in the center of the circular sealing plate, and each circular sealing plate covers and is fixed in the immersion tank.
  • the outside of the screw mounting holes at both ends. Remove the circular sealing plate and the spiral bearing seat to extract the immersion tank spiral from the screw mounting hole.
  • the lower end of the discharging drive chain of the scraper discharging mechanism engages with the hollow large sprocket, and a plurality of discharging scrapers are evenly arranged on the discharging drive chain.
  • Part of the material can enter the discharge end of the rightmost soaking tank through the hollow of the large hollow sprocket, which enlarges the receiving area of the discharge scraper and improves the conveying capacity of the discharge scraper.
  • the immersion tank spiral and the scraper discharge mechanism rotate synchronously. The discharge scraper picks up the pushed material from the solution, lifts and discharges it out of the extractor.
  • the conveying capacity of the discharge scraper is greater than the immersion tank spiral, which can ensure that it does not cause blockage. material.
  • each immersion tank spiral includes a spiral shaft and a main spiral piece wound around the outer circumference of the spiral shaft.
  • a filter cartridge is installed at the feed end of the spiral shaft below the feed port, and the filter cartridge faces the main spiral piece.
  • the port on one side is closed and the other side is open.
  • the concentrated liquid outlet is inserted into the inner cavity of the filter cartridge.
  • a plurality of grate bars extending in the axial direction are evenly distributed on the circumference of the filter cartridge, adjacent to each other. The gap between the strips is narrow outside and wide inside.
  • the powder is trapped on the outer surface of the filter cartridge to reduce the content of powdery solids in the concentrated extract as much as possible to provide guarantee for the subsequent hydrocyclone separation and evaporation; the concentration of solid-liquid mixed media
  • the filtered concentrated extract can be stably continuously filtered and transported without clogging the outlet pipe valve, so that it can enter the hydrocyclone separation system for fine filtration.
  • the outer circumference of the filter cartridge is wrapped with a filter cartridge outer spiral belt, and the rotation direction of the filter cartridge outer spiral belt is the same as the coaxial main spiral piece.
  • the outer spiral belt of the filter cartridge can push the solid materials flowing with the liquid to the side where the main spiral is located, avoiding excessive material accumulation outside the filter cartridge.
  • the inner wall of the filter cartridge is provided with an inner spiral ribbon of the filter cartridge, and the spiral direction of the inner spiral ribbon of the filter cartridge is opposite to the coaxial main spiral piece.
  • a small amount of solid powder will enter the filter cartridge with the extraction liquid and settle on the lower part of the inner wall of the filter cartridge.
  • the spiral belt in the filter cartridge that rotates in the opposite direction of the main spiral will push the sediment out of the filter cartridge from the open end, and then be outside the filter cartridge.
  • the spiral belt pushes out the filter section to complete the self-cleaning process of the filter cartridge. So as to realize stable and reliable continuous filtration, complete the powder extractor process, solve the problem of separating high-powder material and liquid, and make the powder extractor have a wide range of adaptability to various oils.
  • Figure 1 is a front view of the first embodiment of the powder extractor of the present invention.
  • Fig. 2 is a cross-sectional view taken along A-A in Fig. 1.
  • Fig. 3 is a sectional view taken along B-B in Fig. 1.
  • Fig. 4 is a cross-sectional view along C-C in Fig. 1.
  • Figure 5 is a schematic diagram of Figure 1 with the front wall panel removed.
  • Fig. 6 is a perspective view of Fig. 1.
  • Figure 7 is a perspective view of the extractor box in Figure 1 with the top cover removed.
  • Fig. 8 is a perspective view of two adjacent soaking tanks in Fig. 1.
  • Figure 9 is a perspective view of the leftmost soaking tank in Figure 1.
  • Fig. 10 is a perspective view of the filter cartridge in Fig. 9.
  • Figure 11 is a partial enlarged view of the filter cartridge.
  • Figure 12 is a schematic diagram of the working state of the second embodiment of the powder extractor of the present invention.
  • Fig. 13 is a top view of Fig. 12.
  • Soaking tank 1a. Feeding port; 1a1. Feeding guide tube; 1b. Discharging port; 1c. Screw mounting hole; 1d. Circular sealing plate; 1e. Vent hole; 2. Tank Body partition; 2a. Overflow; 2b. Guide trough; 2c. Discharge trough; 3. Baffle plate; 3a. Concave arc on baffle plate; 4. Soaking groove spiral; 4a. Spiral shaft; 4b. Main spiral piece; 4c. Hollow large sprocket; 4d. Screw bearing seat; 4e. Right push screw; 4f. Left push screw; 5. Scraper lifting mechanism; 5a. Lifting drive chain; 5b. Lifting scraper; 6. Lifting small sprocket; 7.
  • the terms “upper”, “lower”, “front”, “rear”, “left”, “right”, “inner”, “outer”, etc. indicate the orientation or positional relationship based on the attached
  • the orientation or position relationship shown in the figure is only for the convenience of describing the present invention and simplifying the description, and does not mean that the device must have a specific orientation.
  • the powder extractor of the present invention includes a rectangular box body, and the top of the box body is provided with an exhaust hole 1e and a manhole.
  • a number of parallel tank partitions 2 are connected between the front and rear wall panels of the box. Each tank partition 2 divides the inner cavity of the tank into a plurality of soaking tanks 1.
  • each tank partition 2 is respectively provided Overflow port 2a, the overflow ports 2a on the adjacent tank partitions 2 are staggered in the front and rear direction, and the height of each overflow port 2a gradually decreases from right to left, and the discharge end of the rightmost soaking tank is connected with The inlet 15 of the new melt, the feed end of the leftmost soaking tank is connected with the concentrate outlet 16; the feeding end of the leftmost soaking tank is provided with a feed inlet 1a above the feed end, and the discharge end of each tank body partition 2 is respectively A material guide groove 2b for lifting and turning materials to the right is provided, and a material discharge groove 2c is installed on the discharge end of the right wall panel of the box body.
  • each soaking tank 1 is arc-shaped and is equipped with soaking tank spirals 4 respectively.
  • the spirals 4 of the adjacent soaking tanks have opposite directions.
  • the odd-numbered tank is the left push screw 4f, and the solid The material is pushed toward the front side wall of the extractor; in the even-numbered grooves is the right push screw 4e, which pushes the solid material toward the rear side wall of the extractor.
  • a scraper lifting mechanism 5 is installed in each guide groove 2b, and a scraper discharging mechanism 14 is installed in the discharging groove 2c.
  • the material enters the feed end of the leftmost soaking tank from the feed inlet 1a, and the new solvent enters the rightmost soaking tank.
  • the soaking and extraction process is completed in the soaking tank 1.
  • the material is pushed by the soaking tank spiral 4 to the discharge end of each soaking tank 1, it is lifted up by the scraper lifting mechanism 5 along the guide tank 2b. Drain and drop into the lower soaking tank on the right.
  • the advancing direction of the materials in adjacent soaking tanks is opposite, so that the solid materials move forward in an S-shaped zigzag.
  • the solid material When the solid material enters the final soaking tank, after fully soaking and mixing with the new solution, it will be taken out by the scraper discharge mechanism 14 from the discharge end of the rightmost soaking tank along the discharge tank 2c and discharged from the discharge port 1b. outer.
  • the solid material and the solution always keep reverse flow, the material with the highest content is in contact with the concentrated solution, and the material with the lower content is in contact with the dilute solution, which can always maintain a good osmotic pressure, which further improves the mass transfer efficiency.
  • the solid material alternately advances horizontally along the immersion tank 1, and after a period of horizontal advancement, it is taken out and dropped into the next vertical immersion tank. It is repeatedly stirred.
  • the material and the solution are in a turbulent state, and there will be no laminar flow, even if the porosity is very high. Small powders can also be fully saturated by the solution.
  • the adjacent overflow ports 2a are staggered in the front and rear directions, and the solvent also flows in an S-shaped zigzag direction opposite to the forward direction of the solid material, flows through the full length of each immersion tank 1, and then uses the offset overflow to enter the next immersion tank and turn back
  • the full length of the soaking tank is extended to greatly extend the extraction stroke of the solid material and the solution, and can achieve full extraction, thereby achieving efficient extraction.
  • the concentrated extraction liquid reaching the leftmost soaking tank is discharged from the concentrated liquid outlet 16.
  • the soaking liquid level is slightly higher than the solid phase, the solid-liquid mixing is sufficient, the solvent consumption is low, the obtained mixed liquid concentration is high, and the evaporation and separation energy consumption is low.
  • the bottom of the soaking tank 1 is arc-shaped and coincides with the soaking tank spiral 4, which can avoid the dead zone at the bottom of the tank; the soaking tank spiral 4 is responsible for the transportation of solid materials in the soaking tank 1 and completes the soaking and extraction.
  • the forced stirring of the spiral blade avoids In the simple soaking process, the material and the solvent are insufficiently transferred.
  • the spiral 4 of the adjacent soaking tank rotates in opposite directions so that the material advances in an S shape.
  • the scraper lifting mechanism 5 is used to lift, drain, and transport the soaked solid materials for solid-liquid separation and solid phase lifting; the scraper discharge mechanism 14 is used to lift and drain the solid materials after extraction. Dry and drain.
  • the spiral scraper not only plays the role of conveying solid materials, but also can strongly stir solid materials.
  • each immersion tank 1 is provided with at least one baffle 3 extending in the left-right direction, and the lower end of each baffle 3 is clamped above the spiral of the immersion tank through the concave arc 3a of the baffle.
  • the baffle 3 can prevent the surface solution from flowing out in a short-circuit if it is not in full contact with the solid material.
  • the concave arc 3a of the baffle is stuck on the top of the spiral 4 of the soaking tank to provide a channel for material transportation and forcing the solution to sink from the baffle.
  • the solid material and the extraction liquid Passing through the gap of arc 3a, the solid material and the extraction liquid are in agitation and mixing contact, and the two phases are fully contacted in turbulent state, which further improves the infiltration effect of the material and the solution; the solid and liquid are in turbulent contact under the action of stirring, and the liquid phase is in turbulent contact, the same
  • the phase density is consistent.
  • the multiple baffles 3 make the solvent flow in an S-shaped upward and downward directions in each immersion tank 1 to prevent the short circuit of the solvent, the extraction power is significantly increased, and the extraction efficiency is high.
  • the discharge end of the screw shaft of each immersion tank spiral 4 is respectively equipped with a hollow large sprocket 4c, and the lower end of the lifting drive chain 5a of the corresponding scraper lifting mechanism 5 engages on the hollow large sprocket 4c to lift the drive chain
  • a plurality of lifting scrapers 5b are uniformly provided on 5a. Part of the material can enter the discharge end of the soaking tank through the hollow of the hollow large sprocket 4c, so that the material receiving area of the lifting scraper 5b is enlarged, and the conveying capacity of the lifting scraper 5b is increased.
  • the soaking tank spiral 4 rotates synchronously with the scraper lifting mechanism 5.
  • the lifting scraper 5b picks up and lifts the pushed material from the solution and drops it into the next soaking tank.
  • the conveying capacity of the lifting scraper 5b is greater than that of the soaking tank spiral 4. It can ensure that there is no blockage.
  • each lifting drive chain 5a is meshed with the small lifting sprocket 6.
  • Each small lifting sprocket 6 is respectively installed on the drive shaft 7, and each drive shaft 7 is also equipped with a linkage sprocket 8 respectively.
  • Two adjacent drive shafts 7 is a group and two linkage sprockets 8 are connected by linkage chain 9; one of the drive shafts 7 is equipped with a lifting sprocket 10 at the shaft end, and the lifting sprocket 10 passes through the main chain 11 and the main drive of the reducer 12
  • the sprocket 12a is connected in transmission.
  • the main sprocket 12a of the drive reducer 12 drives the large lifting sprocket 10 to rotate through the main chain 11, the large lifting sprocket 10 drives the small lifting sprocket 6 and the linkage sprocket 8 to rotate through the drive shaft 7, and the linkage chain 9 drives the other
  • the drive shaft 7 and the small lifting sprocket 6 rotate synchronously.
  • the two small lifting sprockets 6 respectively drive the lifting scraper 5b through the lifting drive chain 5a and the rotation of the soaking trough spiral 4 to realize a drive reducer 12 to drive two at the same time
  • the soaking tank screw 4 pushes the solid materials to the left and right, and simultaneously drives the two scraper lifting mechanisms 5 to synchronously scoop, drain and lift the solid materials.
  • each screw bearing housing 4d is respectively fixed in the center of the circular sealing plate 1d, and each circular sealing plate 1d is covered and fixed to the two immersion tanks.
  • the outer side of the screw mounting hole 1c Remove the circular sealing plate 1d and the spiral bearing seat 4d to extract the immersion tank spiral 4 from the screw mounting hole 1c.
  • the lower end of the discharging drive chain 14a of the scraper discharging mechanism 14 is engaged with the hollow large sprocket 4c, and a plurality of discharging scrapers 14b are evenly provided on the discharging drive chain 14a.
  • Part of the material can enter the discharge end of the rightmost soaking tank through the hollow of the large hollow sprocket 4c, so that the receiving area of the discharge scraper 14b is enlarged, and the conveying capacity of the discharge scraper 14b is improved.
  • the soaking tank spiral 4 rotates synchronously with the scraper discharging mechanism 14.
  • the discharging scraper 14b picks up the pushed material from the solution, lifts and discharges the extractor.
  • the conveying capacity of the discharging scraper 14b is greater than that of the soaking tank spiral 4. It can ensure that there is no blockage.
  • each immersion tank spiral 4 includes a spiral shaft 4a and a main spiral piece 4b wound around the outer circumference of the spiral shaft.
  • a filter cartridge is installed at the feed end of the leftmost spiral shaft below the feed port 1a. 13.
  • the port on one side of the filter cartridge 13 facing the main spiral piece 4b is closed and the other side is open.
  • the concentrated liquid outlet 16 is inserted into the inner cavity of the filter cartridge 13.
  • the gap between adjacent grate bars 13a is narrow outside and wide inside.
  • the powder is trapped on the outer surface of the filter cartridge 13, reducing the powdery solid content in the concentrated extract as much as possible, providing guarantee for the subsequent hydrocyclone separation and evaporation; solid-liquid mixed media
  • the concentrated extract After the concentrated extract is continuously and stably filtered out, it enters the concentrated liquid outlet 16 and flows out.
  • the filtered concentrated extract can be stably and continuously filtered out and transported without causing blockage of the outlet pipe valve, so that it can enter the hydrocyclone separation system. Fine filtration.
  • the powder Once the powder passes through the outermost gap of the filter cartridge 13, it can smoothly fall into the bottom of the filter cartridge 13 and be pushed out by the spiral belt 13c in the filter cartridge to self-clean; avoid the powder particles from getting stuck in the gap between adjacent grate bars 13a, Affect filtration capacity.
  • the outer circumference of the filter cartridge 13 is wound with a filter cartridge outer spiral belt 13b, and the rotation direction of the filter cartridge outer spiral belt 13b is the same as the coaxial main spiral piece 4b.
  • the outer spiral belt 13b of the filter cartridge can push the solid material flowing with the liquid to the side where the main spiral piece 4b is located, so as to avoid excessive accumulation of material outside the filter cartridge 13.
  • the inner wall of the filter cartridge 13 is provided with a filter cartridge inner spiral belt 13c, and the spiral direction of the filter cartridge inner spiral belt 13c is opposite to the coaxial main spiral piece 4b.
  • a small amount of solid powder will enter the filter cartridge 13 with the extract and settle on the lower part of the inner wall of the filter cartridge 13.
  • the spiral belt 13c in the filter cartridge which rotates opposite to the main spiral 4b, pushes the sediment out of the filter cartridge 13 from the open end. Then the filter cartridge is pushed out of the filter section by the outer spiral belt 13b of the filter cartridge, thereby completing the self-cleaning process of the filter cartridge 13. So as to realize stable and reliable continuous filtration, complete the powder extractor process, solve the problem of separating high-powder material and liquid, and make the powder extractor have a wide range of adaptability to various oils.
  • the feed port 1a can be provided on the left part of the top cover of the box body, and a feed diversion pipe 1a1 is connected below the feed port 1a to divert the new solid material to the front side of the filter cartridge 13.
  • the feed inlet 1a may also be provided on the upper part of the left side wall of the box body, and the position in the front-rear direction is also located on the front side of the filter cartridge 13.
  • the immersion tank on the far right has the highest level and overflows to the left one by one.
  • the big arrow in Figure 13 is the direction of the solid material, and the small arrow is the flow direction of the solution, which flows in the reverse direction.
  • the invention adopts "one-pot stew” type leaching, which is efficient and reliable, and can be used for leaching powdery materials and high-powder materials. It can solve the bottleneck in the preparation of soy protein concentrate and cottonseed protein concentrate, overcome the problems of poor material permeability, easy dissolution of protein and sugar and blocking the grid, shallow leaching material, large equipment investment, low production efficiency, and high system failure rate.
  • the powder extractor of the present invention can be used to extract these materials into concentrated protein. It can greatly enhance the economic value of these materials, and enhance the economic efficiency and market competitiveness of enterprises.
  • palm kernel can be processed Direct leaching, low equipment investment, easy to use; can be widely used in the processing of most oil or oily materials to achieve "universal" extraction.

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Abstract

一种粉料浸出器，长方形箱体的前后墙板之间连接有多道槽体隔板（2），各槽体隔板（2）将箱体内腔分隔成多个浸泡槽（1），各槽体隔板（2）的上部分别设有溢流口（2a），相邻槽体隔板（2）上的溢流口（2a）在前后方向交错设置，且各溢流口（2a）的高度自右向左逐渐降低，最右侧浸泡槽（1）的出料端连接有新溶进口（15），最左侧浸泡槽（1）的进料端连接有浓液出口（16）；最左侧浸泡槽（1）的进料端上方设有进料口（1a）；每个槽体隔板（2）的出料端分别设有向右侧提升翻料的导料槽（2b），箱体右墙板的出料端安装有出料槽（2c）。各浸泡槽（1）的底部呈弧形且分别安装有浸泡槽螺旋（4），相邻浸泡槽螺旋（4）的旋向相反；各导料槽（2b）中分别安装有刮板提升机构（5），出料槽（2c）中安装有刮板出料机构（14）。

Description

一种粉料浸出器 技术领域
本发明涉及一种萃取装置，尤其涉及一种粉料浸出器，可用于食品、环保及化工等行业的动态萃取，属于萃取设备技术领域。
背景技术
市场上萃取设备种类繁多，有固定床式、移动床式、篮斗式以及滤筒式。其一般原理是固体自然堆积成稳定料床或强制形成稳定料床，萃取液或洗涤液从料床上方淋入，液体渗透料层完成传质过程。
此类设备对固体物料的粒度有要求，固体物料应为散装或片状，堆积后颗粒间有一定间隙，以利于萃取液或洗涤液渗透。当固体物料中粉末度过大，导致料床空隙率不足，渗透速率会下降或不渗透，如茶籽饼、棕仁饼等物料的浸出。
此外，对固体和液体理化特性有要求，有些固体组份与液体组份互溶，形成粘稠物，堵塞过滤网或栅板，导致萃取或洗涤过程的效果下降或不可持续，须经常清理维护，如大豆浓缩蛋白浸出。
大豆浓缩蛋白的加工原料白豆片或低变性膨化料中，含有8-10％的高粉末度碎屑，无法通过常规浸出工艺处理，须筛分出作为下脚料处理，导致该物料经济收益率低，销售不畅，占用资金。
现有的浸出器在工作过程中，大部分固体物料与萃取液之间的接触为层流式接触，与萃取液混合不充分；萃取液通过落差自流，轻相位于液层上部，新溶易发生短路，导致萃取动力不足，萃取效率低下；萃取路径貌似较长，但每组浸出单元上层筛面利用率很低。此外粉料浸出器萃取得到的浓萃取液中含有很多粉料颗粒，流入后续管道会导致出液管阀堵塞，必须对其进行过滤。传统的过滤器使用一段时间后，会发生淤积堵塞，出液流量下降，需要更换滤芯或者对滤芯进行清洁，影响生产线的连续稳定运行。
发明内容
本发明的目的在于，克服现有技术中存在的问题，提供一种粉料浸出器，浸透效率高，可确保液体能够渗透粉状物料，可满足大规模工业化生产，减少粉末下脚料，提高经济效益。
为解决以上技术问题，本发明的一种粉料浸出器，包括长方形的箱体，箱体的前后墙板之间连接有多道相互平行的槽体隔板，各槽体隔板将箱体内腔分隔成多个浸泡槽， 各槽体隔板的上部分别设有溢流口，相邻槽体隔板上的溢流口在前后方向交错设置，且各溢流口的高度自右向左逐渐降低，最右侧浸泡槽的出料端连接有新溶进口，最左侧浸泡槽的进料端连接有浓液出口；最左侧浸泡槽的进料端上方设有进料口；每个槽体隔板的出料端分别设有向右侧提升翻料的导料槽，箱体右墙板的出料端安装有出料槽。
相对于现有技术，本发明取得了以下有益效果：物料从进料口进入最左侧浸泡槽的进料端，新溶剂进入最右侧的浸泡槽。浸泡萃取过程在浸泡槽中完成，物料被推行至各浸泡槽的出料端时，沿导料槽被向上捞出，脱离液面后，经短促沥干，落入右侧的下级浸泡槽。相邻浸泡槽中物料的前进方向相反，使得固体物料呈S形曲折前进。当固体料进入末级浸泡槽时，与新溶充分浸泡混合后，从最右侧浸泡槽的出料端沿出料槽被捞出并排出机外。固体料与溶液始终保持逆向流动，含量最高的物料与浓溶液接触，含量较低的物料与稀溶液接触，始终能保持很好的渗透压，进一步提高了传质效率。固体料交替沿浸泡槽横向前进，横向前进一段后被捞出落入纵向的下一级浸泡槽，反复得到搅拌，物料及溶液均呈湍流状态，不会出现层流状态，即使空隙率很小的粉料也能被溶液充分浸透。相邻溢流口在前后方向交错设置，溶剂也呈S形曲折流动且与固体料前进方向相反，流经各浸泡槽的全长，然后利用位差溢流进入下个浸泡槽并折返流经该浸泡槽的全长，大大延长了固体料与溶液的萃取行程，可实现充分萃取，从而实现高效萃取。到达最左侧浸泡槽的浓萃取液从浓液出口排出。浸泡液面略高于固相，固液混合充分，溶剂消耗少，得到的混合液浓度高，蒸发分离能耗少。
作为本发明的改进，各浸泡槽的底部呈弧形且分别安装有浸泡槽螺旋，相邻浸泡槽螺旋的旋向相反；各所述导料槽中分别安装有刮板提升机构，所述出料槽中安装有刮板出料机构。浸泡槽的底部呈弧形与浸泡槽螺旋相吻合，可避免槽底出现死区；浸泡槽螺旋负责浸泡槽中固体物料的输送并且完成浸泡萃取，通过螺旋叶片的强制搅拌，避免简单浸泡过程中物料和溶剂传质不充分的缺陷，相邻浸泡槽螺旋的旋向相反使物料呈S形前进。刮板提升机构用于将浸泡后的固体物料捞起、沥干和提升输送，用于固液分离和固相提升；刮板出料机构用于将萃取完成的固体物料捞起、沥干和排出。螺旋加刮板不仅起到输送固体料的作用，还可以对固体料进行强力搅拌，浸泡箱内物料料层高度可达到800mm，比之传统350mm料层，单位面积上产能提高50-80％；将萃取液自上至下自然渗透，改为螺旋机械搅拌，固液直混浸洗，萃取动力大，萃取效率高；传统浸出***参与循环的溶剂量为固体物料的5倍，本发明中固液容积比约为1.2-1.5倍，初始投溶量只有原来的四分之一至三分之一，大大节省大量溶剂和资金占用。
作为本发明的进一步改进，各浸泡槽中分别设有至少一道沿左右方向延伸的折流板，各折流板的下端分别通过折流板上凹弧卡在浸泡槽螺旋的上方。折流板可以防止表层溶液未与固体物料充分接触即短路流出，折流板上凹弧卡在浸泡槽螺旋的上方，为物料输送和提供通道，且强制溶液从折流板上凹弧的缺口中通过，固体物料与萃取液间为搅拌混合接触，两相间湍流状态充分接触，进一步提高物料与溶液的浸润效果；固液在搅拌作用下湍流接触，液相无层析，相同相位浓度一致。多道折流板使溶剂在各浸泡槽内作上下方向的S形流动，杜绝出现溶剂短路现象，萃取动力明显加大，萃取效率高。
作为本发明的进一步改进，各浸泡槽螺旋的螺旋轴出料端分别安装有镂空大链轮，相应刮板提升机构的提升驱动链条下端啮合在镂空大链轮上，提升驱动链条上均匀设有多个提升刮板。部分物料可经镂空大链轮的镂空处进入浸泡槽出料端，使提升刮板的受料面积加大，增大提升刮板的输送能力。浸泡槽螺旋与刮板提升机构同步旋转，提升刮板将推送过来的物料从溶液中捞起、提升，落入下一浸泡槽，提升刮板的输送能力大于浸泡槽螺旋，可确保不造成堵料。
作为本发明的进一步改进，各提升驱动链条的上端啮合在提升小链轮上，各提升小链轮分别安装在驱动轴上，各驱动轴上还分别安装有联动链轮，相邻两根驱动轴为一组且两联动链轮通过联动链条传动连接；其中一根驱动轴的轴端安装有提升大链轮，所述提升大链轮通过主链条与驱动减速机的主链轮传动连接。驱动减速机的主链轮通过主链条带动提升大链轮转动，提升大链轮通过驱动轴带动提升小链轮和联动链轮转动，联动链条带动另一根驱动轴及提升小链轮同步转动，两提升小链轮分别通过提升驱动链条驱动提升刮板运行及浸泡槽螺旋的转动，实现了一台驱动减速机同时驱动两根浸泡槽螺旋将固体物料向左和向右推送，且同时驱动两台刮板提升机构同步捞料、沥干和提升固体物料。
作为本发明的进一步改进，各浸泡槽螺旋的螺旋轴两端分别支撑在螺旋轴承座中，各螺旋轴承座分别固定在圆形封板的中心，各圆形封板分别覆盖且固定在浸泡槽两端螺旋安装孔的外侧。拆掉圆形封板及螺旋轴承座即可将浸泡槽螺旋整体从螺旋安装孔中抽出，安装时先将浸泡槽螺旋从螺旋安装孔中穿入，然后覆盖上圆形封板并通过螺栓固定，再安装上螺旋轴承座并固定。
作为本发明的进一步改进，所述刮板出料机构的出料驱动链条下端啮合在镂空大链轮上，出料驱动链条上均匀设有多个出料刮板。部分物料可经镂空大链轮的镂空处进入最右侧浸泡槽的出料端，使出料刮板的受料面积加大，提升出料刮板的输送能力。浸泡槽螺旋与刮板出料机构同步旋转，出料刮板将推送过来的物料从溶液中捞起、提升并排出浸 出器，出料刮板的输送能力大于浸泡槽螺旋，可确保不造成堵料。
作为本发明的进一步改进，各浸泡槽螺旋包括螺旋轴及缠绕在螺旋轴外周的主螺旋片，位于进料口下方的螺旋轴的进料端安装有滤筒，所述滤筒面向主螺旋片一侧的端口封闭且另一侧敞口，所述浓液出口***于所述滤筒的内腔，所述滤筒的圆周上均匀分布有多根沿轴向延伸的篦条，相邻篦条之间的缝隙外窄内宽。在流出之前经过滤筒的过滤，粉料被截留在滤筒的外表面，尽可能降低浓萃取液中粉状固体含量，为后续旋液分离和蒸发提供保障；固液互混介质中的浓萃取液被连续稳定滤出后，进入浓液出口流出，过滤后的浓萃取液可稳定连续滤出、输送，不会造成出液管阀的堵塞，以便于进入旋液分离***进行精滤。粉料一旦越过滤筒最外侧的缝隙，即可顺利落入滤筒底部，被滤筒内螺带推出自清；避免粉料颗粒卡在相邻篦条之间的缝隙中，影响过滤能力。
作为本发明的进一步改进，所述滤筒的外周缠绕有滤筒外螺带，所述滤筒外螺带的旋向与同轴的主螺旋片相同。滤筒外螺带可将随液体流淌过来的固体物料向主螺旋片所在一侧推送出去，避免滤筒外淤积过多的物料。
作为本发明的进一步改进，所述滤筒的内壁设有滤筒内螺带，所述滤筒内螺带的旋向与同轴的主螺旋片相反。少量固体粉末会随萃取液进入滤筒内，沉降在滤筒内壁的下部，与主螺旋片旋向相反的滤筒内螺带将沉降物从敞口端推送出滤筒，再被滤筒外螺带推送出过滤段，从而完成滤筒的自清过程。从而实现稳定可靠的连续过滤，使粉料浸出器工艺完备，解决了高粉末度物料与液体分离的难题，使粉料浸出器对各种油料具有广泛的适应性。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细的说明，附图仅提供参考与说明用，非用以限制本发明。
图1为本发明粉料浸出器实施例一的主视图。
图2为图1中沿A-A的剖视图。
图3为图1中沿B-B的剖视图。
图4为图1中沿C-C的剖视图。
图5为图1去掉前墙板后的示意图。
图6为图1的立体图。
图7为图1中浸出器箱体去掉顶盖后的立体图。
图8为图1中相邻两个浸泡槽的立体图。
图9为图1中最左侧浸泡槽的立体图。
图10为图9中滤筒的立体图。
图11为滤筒的局部放大图。
图12为本发明粉料浸出器实施例二的工作状态示意图。
图13为图12的俯视图。
图中：1.浸泡槽；1a.进料口；1a1.进料导流管；1b.出料口；1c.螺旋安装孔；1d.圆形封板；1e.排气孔；2.槽体隔板；2a.溢流口；2b.导料槽；2c.出料槽；3.折流板；3a.折流板上凹弧；4.浸泡槽螺旋；4a.螺旋轴；4b.主螺旋片；4c.镂空大链轮；4d.螺旋轴承座；4e.右推螺旋；4f.左推螺旋；5.刮板提升机构；5a.提升驱动链条；5b.提升刮板；6.提升小链轮；7.驱动轴；8.联动链轮；9.联动链条；10.提升大链轮；11.主链条；12.驱动减速机；12a.主链轮；13.滤筒；13a.篦条；13b.滤筒外螺带；13c.滤筒内螺带；14.刮板出料机构；14a.出料驱动链条；14b.出料刮板；15.新溶进口；16.浓液出口。
具体实施方式
在本发明的以下描述中，术语“上”、“下”、“前”、“后”、“左”、“右”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指装置必须具有特定的方位。
如图1至图13所示，本发明的粉料浸出器包括长方形的箱体，箱体顶部设有排气孔1e和人孔。箱体的前后墙板之间连接有多道相互平行的槽体隔板2，各槽体隔板2将箱体内腔分隔成多个浸泡槽1，各槽体隔板2的上部分别设有溢流口2a，相邻槽体隔板2上的溢流口2a在前后方向交错设置，且各溢流口2a的高度自右向左逐渐降低，最右侧浸泡槽的出料端连接有新溶进口15，最左侧浸泡槽的进料端连接有浓液出口16；最左侧浸泡槽的进料端上方设有进料口1a，每个槽体隔板2的出料端分别设有向右侧提升翻料的导料槽2b，箱体右墙板的出料端安装有出料槽2c。
各浸泡槽1的底部呈弧形且分别安装有浸泡槽螺旋4，相邻浸泡槽螺旋4的旋向相反，从固体料的进料口1a起，奇数槽中为左推螺旋4f，将固体料向浸出器的前侧壁方向推进；偶数槽中为右推螺旋4e，将固体料向浸出器的后侧壁方向推进。各导料槽2b中分别安装有刮板提升机构5，出料槽2c中安装有刮板出料机构14。
物料从进料口1a进入最左侧浸泡槽的进料端，新溶剂进入最右侧的浸泡槽。浸泡萃取过程在浸泡槽1中完成，物料被浸泡槽螺旋4推行至各浸泡槽1的出料端时，沿导料槽2b被刮板提升机构5向上捞出，脱离液面后，经短促沥干，落入右侧的下级浸泡槽。 相邻浸泡槽中物料的前进方向相反，使得固体物料呈S形曲折前进。当固体料进入末级浸泡槽时，与新溶充分浸泡混合后，从最右侧浸泡槽的出料端沿出料槽2c被刮板出料机构14捞出并从出料口1b排出机外。固体料与溶液始终保持逆向流动，含量最高的物料与浓溶液接触，含量较低的物料与稀溶液接触，始终能保持很好的渗透压，进一步提高了传质效率。固体料交替沿浸泡槽1横向前进，横向前进一段后被捞出落入纵向的下一级浸泡槽，反复得到搅拌，物料及溶液均呈湍流状态，不会出现层流状态，即使空隙率很小的粉料也能被溶液充分浸透。相邻溢流口2a在前后方向交错设置，溶剂也呈S形曲折流动且与固体料前进方向相反，流经各浸泡槽1的全长，然后利用位差溢流进入下个浸泡槽并折返流经该浸泡槽的全长，大大延长了固体料与溶液的萃取行程，可实现充分萃取，从而实现高效萃取。到达最左侧浸泡槽的浓萃取液从浓液出口16排出。浸泡液面略高于固相，固液混合充分，溶剂消耗少，得到的混合液浓度高，蒸发分离能耗少。
浸泡槽1的底部呈弧形与浸泡槽螺旋4相吻合，可避免槽底出现死区；浸泡槽螺旋4负责浸泡槽1中固体物料的输送并且完成浸泡萃取，通过螺旋叶片的强制搅拌，避免简单浸泡过程中物料和溶剂传质不充分的缺陷，相邻浸泡槽螺旋4的旋向相反使物料呈S形前进。刮板提升机构5用于将浸泡后的固体物料捞起、沥干和提升输送，用于固液分离和固相提升；刮板出料机构14用于将萃取完成的固体物料捞起、沥干和排出。螺旋加刮板不仅起到输送固体料的作用，还可以对固体料进行强力搅拌。
如图7所示，各浸泡槽1中分别设有至少一道沿左右方向延伸的折流板3，各折流板3的下端分别通过折流板上凹弧3a卡在浸泡槽螺旋的上方。折流板3可以防止表层溶液未与固体物料充分接触即短路流出，折流板上凹弧3a卡在浸泡槽螺旋4的上方，为物料输送和提供通道，且强制溶液从折流板上凹弧3a的缺口中通过，固体物料与萃取液间为搅拌混合接触，两相间湍流状态充分接触，进一步提高物料与溶液的浸润效果；固液在搅拌作用下湍流接触，液相无层析，相同相位浓度一致。多道折流板3使溶剂在各浸泡槽1内作上下方向的S形流动，杜绝出现溶剂短路现象，萃取动力明显加大，萃取效率高。
如图8所示，各浸泡槽螺旋4的螺旋轴出料端分别安装有镂空大链轮4c，相应刮板提升机构5的提升驱动链条5a下端啮合在镂空大链轮4c上，提升驱动链条5a上均匀设有多个提升刮板5b。部分物料可经镂空大链轮4c的镂空处进入浸泡槽出料端，使提升刮板5b的受料面积加大，增大提升刮板5b的输送能力。浸泡槽螺旋4与刮板提升机构5同步旋转，提升刮板5b将推送过来的物料从溶液中捞起、提升，落入下一浸泡槽，提升刮板5b的输送能力大于浸泡槽螺旋4，可确保不造成堵料。
各提升驱动链条5a的上端啮合在提升小链轮6上，各提升小链轮6分别安装在驱动轴7上，各驱动轴7上还分别安装有联动链轮8，相邻两根驱动轴7为一组且两联动链轮8通过联动链条9传动连接；其中一根驱动轴7的轴端安装有提升大链轮10，提升大链轮10通过主链条11与驱动减速机12的主链轮12a传动连接。驱动减速机12的主链轮12a通过主链条11带动提升大链轮10转动，提升大链轮10通过驱动轴7带动提升小链轮6和联动链轮8转动，联动链条9带动另一根驱动轴7及提升小链轮6同步转动，两提升小链轮6分别通过提升驱动链条5a驱动提升刮板5b运行及浸泡槽螺旋4的转动，实现了一台驱动减速机12同时驱动两根浸泡槽螺旋4将固体物料向左和向右推送，且同时驱动两台刮板提升机构5同步捞料、沥干和提升固体物料。
各浸泡槽螺旋4的螺旋轴4a两端分别支撑在螺旋轴承座4d中，各螺旋轴承座4d分别固定在圆形封板1d的中心，各圆形封板1d分别覆盖且固定在浸泡槽两端螺旋安装孔1c的外侧。拆掉圆形封板1d及螺旋轴承座4d即可将浸泡槽螺旋4整体从螺旋安装孔1c中抽出，安装时先将浸泡槽螺旋4从螺旋安装孔1c中穿入，然后覆盖上圆形封板1d并通过螺栓固定，再安装上螺旋轴承座4d并固定。
刮板出料机构14的出料驱动链条14a下端啮合在镂空大链轮4c上，出料驱动链条14a上均匀设有多个出料刮板14b。部分物料可经镂空大链轮4c的镂空处进入最右侧浸泡槽的出料端，使出料刮板14b的受料面积加大，提升出料刮板14b的输送能力。浸泡槽螺旋4与刮板出料机构14同步旋转，出料刮板14b将推送过来的物料从溶液中捞起、提升并排出浸出器，出料刮板14b的输送能力大于浸泡槽螺旋4，可确保不造成堵料。
如图9至图11所示，各浸泡槽螺旋4包括螺旋轴4a及缠绕在螺旋轴外周的主螺旋片4b，位于进料口1a下方的最左侧螺旋轴的进料端安装有滤筒13，滤筒13面向主螺旋片4b一侧的端口封闭且另一侧敞口，浓液出口16***于滤筒13的内腔，滤筒13的圆周上均匀分布有多根沿轴向延伸的篦条13a，相邻篦条13a之间的缝隙外窄内宽。在流出之前经过滤筒13的过滤，粉料被截留在滤筒13的外表面，尽可能降低浓萃取液中粉状固体含量，为后续旋液分离和蒸发提供保障；固液互混介质中的浓萃取液被连续稳定滤出后，进入浓液出口16流出，过滤后的浓萃取液可稳定连续滤出、输送，不会造成出液管阀的堵塞，以便于进入旋液分离***进行精滤。粉料一旦越过滤筒13最外侧的缝隙，即可顺利落入滤筒13底部，被滤筒内螺带13c推出自清；避免粉料颗粒卡在相邻篦条13a之间的缝隙中，影响过滤能力。
滤筒13的外周缠绕有滤筒外螺带13b，滤筒外螺带13b的旋向与同轴的主螺旋片 4b相同。滤筒外螺带13b可将随液体流淌过来的固体物料向主螺旋片4b所在一侧推送出去，避免滤筒13外淤积过多的物料。
滤筒13的内壁设有滤筒内螺带13c，滤筒内螺带13c的旋向与同轴的主螺旋片4b相反。少量固体粉末会随萃取液进入滤筒13内，沉降在滤筒13内壁的下部，与主螺旋片4b旋向相反的滤筒内螺带13c将沉降物从敞口端推送出滤筒13，再被滤筒外螺带13b推送出过滤段，从而完成滤筒13的自清过程。从而实现稳定可靠的连续过滤，使粉料浸出器工艺完备，解决了高粉末度物料与液体分离的难题，使粉料浸出器对各种油料具有广泛的适应性。
如图1及图6所示，进料口1a可以设在箱体顶盖的左部，进料口1a下方连接有进料导流管1a1将新固体料导流至滤筒13前侧。
如图12、图13所示，进料口1a也可以设在箱体左侧壁的上部，在前后方向的位置也位于滤筒13前侧。最右侧的浸泡槽液位最高，依次向左侧溢流。图13中大箭头为固体料的走向，小箭头为溶液流向，全程逆向流动。
本发明采用“一锅炖”式的浸出，高效且可靠，可用于粉状物料和高粉末度物料的浸出。可以解决大豆浓缩蛋白、棉籽浓缩蛋白的制取瓶颈，克服物料渗透性差，蛋白、糖分易溶出堵塞栅板，浸出料层浅、设备投资大、生产效率低、***故障率高等问题。对于传统浸出工艺中无法处理的粉状下脚料，如高粉末度大豆白豆片、半变性膨化粉料，可以采用本发明的粉料浸出器，将这类性状物料萃取后加工成浓缩蛋白，可大幅提升这类物料的经济价值，提升企业经济效益和市场竞争力。
用于鱼粉、米糠、菜籽枯饼和茶籽枯饼等含油物料，可以提高其利用率和经济价值；可用于压榨棕仁饼浸出，在轧胚厚度合适的情况下，可进行棕榈仁的直接浸出，设备投资省，使用简便；可广泛应用于大部分油料或含油物料的加工，实现“万能”萃取。
以上所述仅为本发明之较佳可行实施例而已，非因此局限本发明的专利保护范围。除上述实施例外，本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本发明要求的保护范围内。本发明未经描述的技术特征可以通过或采用现有技术实现，在此不再赘述。

Claims (10)

  1. 一种粉料浸出器，包括长方形的箱体，其特征在于：箱体的前后墙板之间连接有多道相互平行的槽体隔板，各槽体隔板将箱体内腔分隔成多个浸泡槽，各槽体隔板的上部分别设有溢流口，相邻槽体隔板上的溢流口在前后方向交错设置，且各溢流口的高度自右向左逐渐降低，最右侧浸泡槽的出料端连接有新溶进口，最左侧浸泡槽的进料端连接有浓液出口；最左侧浸泡槽的进料端上方设有进料口；每个槽体隔板的出料端分别设有向右侧提升翻料的导料槽，箱体右墙板的出料端安装有出料槽。
  2. 根据权利要求1所述的粉料浸出器，其特征在于：各浸泡槽的底部呈弧形且分别安装有浸泡槽螺旋，相邻浸泡槽螺旋的旋向相反；各所述导料槽中分别安装有刮板提升机构，所述出料槽中安装有刮板出料机构。
  3. 根据权利要求2所述的粉料浸出器，其特征在于：各浸泡槽中分别设有至少一道沿左右方向延伸的折流板，各折流板的下端分别通过折流板上凹弧卡在浸泡槽螺旋的上方。
  4. 根据权利要求2所述的粉料浸出器，其特征在于：各浸泡槽螺旋的螺旋轴出料端分别安装有镂空大链轮，相应刮板提升机构的提升驱动链条下端啮合在镂空大链轮上，提升驱动链条上均匀设有多个提升刮板。
  5. 根据权利要求4所述的粉料浸出器，其特征在于：各提升驱动链条的上端啮合在提升小链轮上，各提升小链轮分别安装在驱动轴上，各驱动轴上还分别安装有联动链轮，相邻两根驱动轴为一组且两联动链轮通过联动链条传动连接；其中一根驱动轴的轴端安装有提升大链轮，所述提升大链轮通过主链条与驱动减速机的主链轮传动连接。
  6. 根据权利要求2所述的粉料浸出器，其特征在于：各浸泡槽螺旋的螺 旋轴两端分别支撑在螺旋轴承座中，各螺旋轴承座分别固定在圆形封板的中心，各圆形封板分别覆盖且固定在浸泡槽两端螺旋安装孔的外侧。
  7. 根据权利要求4所述的粉料浸出器，其特征在于：所述刮板出料机构的出料驱动链条下端啮合在镂空大链轮上，出料驱动链条上均匀设有多个出料刮板。
  8. 根据权利要求2至7中任一项所述的粉料浸出器，其特征在于：各浸泡槽螺旋包括螺旋轴及缠绕在螺旋轴外周的主螺旋片，位于进料口下方的螺旋轴的进料端安装有滤筒，所述滤筒面向主螺旋片一侧的端口封闭且另一侧敞口，所述浓液出口***于所述滤筒的内腔，所述滤筒的圆周上均匀分布有多根沿轴向延伸的篦条，相邻篦条之间的缝隙外窄内宽。
  9. 根据权利要求8所述的粉料浸出器，其特征在于：所述滤筒的外周缠绕有滤筒外螺带，所述滤筒外螺带的旋向与同轴的主螺旋片相同。
  10. 根据权利要求9所述的粉料浸出器，其特征在于：所述滤筒的内壁设有滤筒内螺带，所述滤筒内螺带的旋向与同轴的主螺旋片相反。
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